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Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chanbec92042010-02-16 15:19:42 -08003 * Copyright (c) 2004-2010 Broadcom Corporation
Michael Chanb6016b72005-05-26 13:03:09 -07004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
Joe Perches3a9c6a42010-02-17 15:01:51 +000012#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Michael Chanf2a4f052006-03-23 01:13:12 -080013
14#include <linux/module.h>
15#include <linux/moduleparam.h>
16
17#include <linux/kernel.h>
18#include <linux/timer.h>
19#include <linux/errno.h>
20#include <linux/ioport.h>
21#include <linux/slab.h>
22#include <linux/vmalloc.h>
23#include <linux/interrupt.h>
24#include <linux/pci.h>
25#include <linux/init.h>
26#include <linux/netdevice.h>
27#include <linux/etherdevice.h>
28#include <linux/skbuff.h>
29#include <linux/dma-mapping.h>
Jiri Slaby1977f032007-10-18 23:40:25 -070030#include <linux/bitops.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080031#include <asm/io.h>
32#include <asm/irq.h>
33#include <linux/delay.h>
34#include <asm/byteorder.h>
Michael Chanc86a31f2006-06-13 15:03:47 -070035#include <asm/page.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080036#include <linux/time.h>
37#include <linux/ethtool.h>
38#include <linux/mii.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080039#include <linux/if_vlan.h>
David S. Miller08013fa2008-08-15 19:46:01 -070040#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
Michael Chanf2a4f052006-03-23 01:13:12 -080041#define BCM_VLAN 1
42#endif
Michael Chanf2a4f052006-03-23 01:13:12 -080043#include <net/ip.h>
Linus Torvaldsde081fa2007-07-12 16:40:08 -070044#include <net/tcp.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080045#include <net/checksum.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080046#include <linux/workqueue.h>
47#include <linux/crc32.h>
48#include <linux/prefetch.h>
Michael Chan29b12172006-03-23 01:13:43 -080049#include <linux/cache.h>
Michael Chan57579f72009-04-04 16:51:14 -070050#include <linux/firmware.h>
Benjamin Li706bf242008-07-18 17:55:11 -070051#include <linux/log2.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080052
Michael Chan4edd4732009-06-08 18:14:42 -070053#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
54#define BCM_CNIC 1
55#include "cnic_if.h"
56#endif
Michael Chanb6016b72005-05-26 13:03:09 -070057#include "bnx2.h"
58#include "bnx2_fw.h"
Denys Vlasenkob3448b02007-09-30 17:55:51 -070059
Michael Chanb6016b72005-05-26 13:03:09 -070060#define DRV_MODULE_NAME "bnx2"
Michael Chan587611d2010-04-27 11:28:11 +000061#define DRV_MODULE_VERSION "2.0.9"
62#define DRV_MODULE_RELDATE "April 27, 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 Chanbec92042010-02-16 15:19:42 -080065#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j9.fw"
66#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-5.0.0.j10.fw"
67#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-5.0.0.j10.fw"
Michael Chanb6016b72005-05-26 13:03:09 -070068
69#define RUN_AT(x) (jiffies + (x))
70
71/* Time in jiffies before concluding the transmitter is hung. */
72#define TX_TIMEOUT (5*HZ)
73
Andrew Mortonfefa8642008-02-09 23:17:15 -080074static char version[] __devinitdata =
Michael Chanb6016b72005-05-26 13:03:09 -070075 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
76
77MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
Benjamin Li453a9c62008-09-18 16:39:16 -070078MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070079MODULE_LICENSE("GPL");
80MODULE_VERSION(DRV_MODULE_VERSION);
Michael Chan57579f72009-04-04 16:51:14 -070081MODULE_FIRMWARE(FW_MIPS_FILE_06);
82MODULE_FIRMWARE(FW_RV2P_FILE_06);
83MODULE_FIRMWARE(FW_MIPS_FILE_09);
84MODULE_FIRMWARE(FW_RV2P_FILE_09);
Michael Chan078b0732009-08-29 00:02:46 -070085MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
Michael Chanb6016b72005-05-26 13:03:09 -070086
87static int disable_msi = 0;
88
89module_param(disable_msi, int, 0);
90MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
91
92typedef enum {
93 BCM5706 = 0,
94 NC370T,
95 NC370I,
96 BCM5706S,
97 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080098 BCM5708,
99 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -0800100 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -0700101 BCM5709S,
Michael Chan7bb0a042008-07-14 22:37:47 -0700102 BCM5716,
Michael Chan1caacec2008-11-12 16:01:12 -0800103 BCM5716S,
Michael Chanb6016b72005-05-26 13:03:09 -0700104} board_t;
105
106/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -0800107static struct {
Michael Chanb6016b72005-05-26 13:03:09 -0700108 char *name;
109} board_info[] __devinitdata = {
110 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
111 { "HP NC370T Multifunction Gigabit Server Adapter" },
112 { "HP NC370i Multifunction Gigabit Server Adapter" },
113 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
114 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800115 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
116 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800117 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700118 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chan7bb0a042008-07-14 22:37:47 -0700119 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
Michael Chan1caacec2008-11-12 16:01:12 -0800120 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700121 };
122
Michael Chan7bb0a042008-07-14 22:37:47 -0700123static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
Michael Chanb6016b72005-05-26 13:03:09 -0700124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
125 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
126 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
127 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
128 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800130 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
131 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700132 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
133 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
134 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800136 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800138 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700140 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
141 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chan7bb0a042008-07-14 22:37:47 -0700142 { PCI_VENDOR_ID_BROADCOM, 0x163b,
143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
Michael Chan1caacec2008-11-12 16:01:12 -0800144 { PCI_VENDOR_ID_BROADCOM, 0x163c,
Michael Chan1f2435e2008-12-16 20:28:13 -0800145 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
Michael Chanb6016b72005-05-26 13:03:09 -0700146 { 0, }
147};
148
Michael Chan0ced9d02009-08-21 16:20:49 +0000149static const struct flash_spec flash_table[] =
Michael Chanb6016b72005-05-26 13:03:09 -0700150{
Michael Chane30372c2007-07-16 18:26:23 -0700151#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
152#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700153 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800154 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700155 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700156 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
157 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800158 /* Expansion entry 0001 */
159 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700160 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800161 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
162 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700163 /* Saifun SA25F010 (non-buffered flash) */
164 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800165 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700166 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700167 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
168 "Non-buffered flash (128kB)"},
169 /* Saifun SA25F020 (non-buffered flash) */
170 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800171 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700172 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700173 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
174 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800175 /* Expansion entry 0100 */
176 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700177 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800178 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
179 "Entry 0100"},
180 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400181 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700182 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800183 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
184 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
185 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
186 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700187 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800188 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
189 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
190 /* Saifun SA25F005 (non-buffered flash) */
191 /* strap, cfg1, & write1 need updates */
192 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700193 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800194 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
195 "Non-buffered flash (64kB)"},
196 /* Fast EEPROM */
197 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700198 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800199 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
200 "EEPROM - fast"},
201 /* Expansion entry 1001 */
202 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1001"},
206 /* Expansion entry 1010 */
207 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700208 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800209 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1010"},
211 /* ATMEL AT45DB011B (buffered flash) */
212 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
215 "Buffered flash (128kB)"},
216 /* Expansion entry 1100 */
217 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700218 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800219 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
220 "Entry 1100"},
221 /* Expansion entry 1101 */
222 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700223 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800224 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
225 "Entry 1101"},
226 /* Ateml Expansion entry 1110 */
227 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700228 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800229 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
230 "Entry 1110 (Atmel)"},
231 /* ATMEL AT45DB021B (buffered flash) */
232 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700233 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800234 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
235 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700236};
237
Michael Chan0ced9d02009-08-21 16:20:49 +0000238static const struct flash_spec flash_5709 = {
Michael Chane30372c2007-07-16 18:26:23 -0700239 .flags = BNX2_NV_BUFFERED,
240 .page_bits = BCM5709_FLASH_PAGE_BITS,
241 .page_size = BCM5709_FLASH_PAGE_SIZE,
242 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
243 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
244 .name = "5709 Buffered flash (256kB)",
245};
246
Michael Chanb6016b72005-05-26 13:03:09 -0700247MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
248
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)) {
Breno Leitaoe6bf95f2009-12-18 20:35:34 -0800659 int i;
660
Michael Chan35efa7c2007-12-20 19:56:37 -0800661 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700662 netif_tx_disable(bp->dev);
Breno Leitaoe6bf95f2009-12-18 20:35:34 -0800663 /* prevent tx timeout */
664 for (i = 0; i < bp->dev->num_tx_queues; i++) {
665 struct netdev_queue *txq;
666
667 txq = netdev_get_tx_queue(bp->dev, i);
668 txq->trans_start = jiffies;
669 }
Michael Chanb6016b72005-05-26 13:03:09 -0700670 }
Michael Chanb7466562009-12-20 18:40:18 -0800671 bnx2_disable_int_sync(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700672}
673
674static void
Michael Chan212f9932010-04-27 11:28:10 +0000675bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700676{
677 if (atomic_dec_and_test(&bp->intr_sem)) {
678 if (netif_running(bp->dev)) {
Benjamin Li706bf242008-07-18 17:55:11 -0700679 netif_tx_wake_all_queues(bp->dev);
Michael Chan35efa7c2007-12-20 19:56:37 -0800680 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700681 bnx2_enable_int(bp);
Michael Chan212f9932010-04-27 11:28:10 +0000682 if (start_cnic)
683 bnx2_cnic_start(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700684 }
685 }
686}
687
688static void
Michael Chan35e90102008-06-19 16:37:42 -0700689bnx2_free_tx_mem(struct bnx2 *bp)
690{
691 int i;
692
693 for (i = 0; i < bp->num_tx_rings; i++) {
694 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
695 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
696
697 if (txr->tx_desc_ring) {
698 pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
699 txr->tx_desc_ring,
700 txr->tx_desc_mapping);
701 txr->tx_desc_ring = NULL;
702 }
703 kfree(txr->tx_buf_ring);
704 txr->tx_buf_ring = NULL;
705 }
706}
707
Michael Chanbb4f98a2008-06-19 16:38:19 -0700708static void
709bnx2_free_rx_mem(struct bnx2 *bp)
710{
711 int i;
712
713 for (i = 0; i < bp->num_rx_rings; i++) {
714 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
715 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
716 int j;
717
718 for (j = 0; j < bp->rx_max_ring; j++) {
719 if (rxr->rx_desc_ring[j])
720 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
721 rxr->rx_desc_ring[j],
722 rxr->rx_desc_mapping[j]);
723 rxr->rx_desc_ring[j] = NULL;
724 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000725 vfree(rxr->rx_buf_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700726 rxr->rx_buf_ring = NULL;
727
728 for (j = 0; j < bp->rx_max_pg_ring; j++) {
729 if (rxr->rx_pg_desc_ring[j])
730 pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
Michael Chan3298a732008-12-17 19:06:08 -0800731 rxr->rx_pg_desc_ring[j],
732 rxr->rx_pg_desc_mapping[j]);
733 rxr->rx_pg_desc_ring[j] = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -0700734 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000735 vfree(rxr->rx_pg_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700736 rxr->rx_pg_ring = NULL;
737 }
738}
739
Michael Chan35e90102008-06-19 16:37:42 -0700740static int
741bnx2_alloc_tx_mem(struct bnx2 *bp)
742{
743 int i;
744
745 for (i = 0; i < bp->num_tx_rings; i++) {
746 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
747 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
748
749 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
750 if (txr->tx_buf_ring == NULL)
751 return -ENOMEM;
752
753 txr->tx_desc_ring =
754 pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
755 &txr->tx_desc_mapping);
756 if (txr->tx_desc_ring == NULL)
757 return -ENOMEM;
758 }
759 return 0;
760}
761
Michael Chanbb4f98a2008-06-19 16:38:19 -0700762static int
763bnx2_alloc_rx_mem(struct bnx2 *bp)
764{
765 int i;
766
767 for (i = 0; i < bp->num_rx_rings; i++) {
768 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
769 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
770 int j;
771
772 rxr->rx_buf_ring =
773 vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
774 if (rxr->rx_buf_ring == NULL)
775 return -ENOMEM;
776
777 memset(rxr->rx_buf_ring, 0,
778 SW_RXBD_RING_SIZE * bp->rx_max_ring);
779
780 for (j = 0; j < bp->rx_max_ring; j++) {
781 rxr->rx_desc_ring[j] =
782 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
783 &rxr->rx_desc_mapping[j]);
784 if (rxr->rx_desc_ring[j] == NULL)
785 return -ENOMEM;
786
787 }
788
789 if (bp->rx_pg_ring_size) {
790 rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
791 bp->rx_max_pg_ring);
792 if (rxr->rx_pg_ring == NULL)
793 return -ENOMEM;
794
795 memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
796 bp->rx_max_pg_ring);
797 }
798
799 for (j = 0; j < bp->rx_max_pg_ring; j++) {
800 rxr->rx_pg_desc_ring[j] =
801 pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
802 &rxr->rx_pg_desc_mapping[j]);
803 if (rxr->rx_pg_desc_ring[j] == NULL)
804 return -ENOMEM;
805
806 }
807 }
808 return 0;
809}
810
Michael Chan35e90102008-06-19 16:37:42 -0700811static void
Michael Chanb6016b72005-05-26 13:03:09 -0700812bnx2_free_mem(struct bnx2 *bp)
813{
Michael Chan13daffa2006-03-20 17:49:20 -0800814 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700815 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800816
Michael Chan35e90102008-06-19 16:37:42 -0700817 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700818 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700819
Michael Chan59b47d82006-11-19 14:10:45 -0800820 for (i = 0; i < bp->ctx_pages; i++) {
821 if (bp->ctx_blk[i]) {
822 pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
823 bp->ctx_blk[i],
824 bp->ctx_blk_mapping[i]);
825 bp->ctx_blk[i] = NULL;
826 }
827 }
Michael Chan43e80b82008-06-19 16:41:08 -0700828 if (bnapi->status_blk.msi) {
Michael Chan0f31f992006-03-23 01:12:38 -0800829 pci_free_consistent(bp->pdev, bp->status_stats_size,
Michael Chan43e80b82008-06-19 16:41:08 -0700830 bnapi->status_blk.msi,
831 bp->status_blk_mapping);
832 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800833 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700834 }
Michael Chanb6016b72005-05-26 13:03:09 -0700835}
836
837static int
838bnx2_alloc_mem(struct bnx2 *bp)
839{
Michael Chan35e90102008-06-19 16:37:42 -0700840 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700841 struct bnx2_napi *bnapi;
842 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700843
Michael Chan0f31f992006-03-23 01:12:38 -0800844 /* Combine status and statistics blocks into one allocation. */
845 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800846 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800847 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
848 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800849 bp->status_stats_size = status_blk_size +
850 sizeof(struct statistics_block);
851
Michael Chan43e80b82008-06-19 16:41:08 -0700852 status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
853 &bp->status_blk_mapping);
854 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700855 goto alloc_mem_err;
856
Michael Chan43e80b82008-06-19 16:41:08 -0700857 memset(status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700858
Michael Chan43e80b82008-06-19 16:41:08 -0700859 bnapi = &bp->bnx2_napi[0];
860 bnapi->status_blk.msi = status_blk;
861 bnapi->hw_tx_cons_ptr =
862 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
863 bnapi->hw_rx_cons_ptr =
864 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800865 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chanb4b36042007-12-20 19:59:30 -0800866 for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700867 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800868
Michael Chan43e80b82008-06-19 16:41:08 -0700869 bnapi = &bp->bnx2_napi[i];
870
871 sblk = (void *) (status_blk +
872 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
873 bnapi->status_blk.msix = sblk;
874 bnapi->hw_tx_cons_ptr =
875 &sblk->status_tx_quick_consumer_index;
876 bnapi->hw_rx_cons_ptr =
877 &sblk->status_rx_quick_consumer_index;
Michael Chanb4b36042007-12-20 19:59:30 -0800878 bnapi->int_num = i << 24;
879 }
880 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800881
Michael Chan43e80b82008-06-19 16:41:08 -0700882 bp->stats_blk = status_blk + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700883
Michael Chan0f31f992006-03-23 01:12:38 -0800884 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700885
Michael Chan59b47d82006-11-19 14:10:45 -0800886 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
887 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
888 if (bp->ctx_pages == 0)
889 bp->ctx_pages = 1;
890 for (i = 0; i < bp->ctx_pages; i++) {
891 bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
892 BCM_PAGE_SIZE,
893 &bp->ctx_blk_mapping[i]);
894 if (bp->ctx_blk[i] == NULL)
895 goto alloc_mem_err;
896 }
897 }
Michael Chan35e90102008-06-19 16:37:42 -0700898
Michael Chanbb4f98a2008-06-19 16:38:19 -0700899 err = bnx2_alloc_rx_mem(bp);
900 if (err)
901 goto alloc_mem_err;
902
Michael Chan35e90102008-06-19 16:37:42 -0700903 err = bnx2_alloc_tx_mem(bp);
904 if (err)
905 goto alloc_mem_err;
906
Michael Chanb6016b72005-05-26 13:03:09 -0700907 return 0;
908
909alloc_mem_err:
910 bnx2_free_mem(bp);
911 return -ENOMEM;
912}
913
914static void
Michael Chane3648b32005-11-04 08:51:21 -0800915bnx2_report_fw_link(struct bnx2 *bp)
916{
917 u32 fw_link_status = 0;
918
Michael Chan583c28e2008-01-21 19:51:35 -0800919 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700920 return;
921
Michael Chane3648b32005-11-04 08:51:21 -0800922 if (bp->link_up) {
923 u32 bmsr;
924
925 switch (bp->line_speed) {
926 case SPEED_10:
927 if (bp->duplex == DUPLEX_HALF)
928 fw_link_status = BNX2_LINK_STATUS_10HALF;
929 else
930 fw_link_status = BNX2_LINK_STATUS_10FULL;
931 break;
932 case SPEED_100:
933 if (bp->duplex == DUPLEX_HALF)
934 fw_link_status = BNX2_LINK_STATUS_100HALF;
935 else
936 fw_link_status = BNX2_LINK_STATUS_100FULL;
937 break;
938 case SPEED_1000:
939 if (bp->duplex == DUPLEX_HALF)
940 fw_link_status = BNX2_LINK_STATUS_1000HALF;
941 else
942 fw_link_status = BNX2_LINK_STATUS_1000FULL;
943 break;
944 case SPEED_2500:
945 if (bp->duplex == DUPLEX_HALF)
946 fw_link_status = BNX2_LINK_STATUS_2500HALF;
947 else
948 fw_link_status = BNX2_LINK_STATUS_2500FULL;
949 break;
950 }
951
952 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
953
954 if (bp->autoneg) {
955 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
956
Michael Chanca58c3a2007-05-03 13:22:52 -0700957 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
958 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800959
960 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800961 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800962 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
963 else
964 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
965 }
966 }
967 else
968 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
969
Michael Chan2726d6e2008-01-29 21:35:05 -0800970 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800971}
972
Michael Chan9b1084b2007-07-07 22:50:37 -0700973static char *
974bnx2_xceiver_str(struct bnx2 *bp)
975{
976 return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800977 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Michael Chan9b1084b2007-07-07 22:50:37 -0700978 "Copper"));
979}
980
Michael Chane3648b32005-11-04 08:51:21 -0800981static void
Michael Chanb6016b72005-05-26 13:03:09 -0700982bnx2_report_link(struct bnx2 *bp)
983{
984 if (bp->link_up) {
985 netif_carrier_on(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +0000986 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
987 bnx2_xceiver_str(bp),
988 bp->line_speed,
989 bp->duplex == DUPLEX_FULL ? "full" : "half");
Michael Chanb6016b72005-05-26 13:03:09 -0700990
991 if (bp->flow_ctrl) {
992 if (bp->flow_ctrl & FLOW_CTRL_RX) {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000993 pr_cont(", receive ");
Michael Chanb6016b72005-05-26 13:03:09 -0700994 if (bp->flow_ctrl & FLOW_CTRL_TX)
Joe Perches3a9c6a42010-02-17 15:01:51 +0000995 pr_cont("& transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -0700996 }
997 else {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000998 pr_cont(", transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -0700999 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00001000 pr_cont("flow control ON");
Michael Chanb6016b72005-05-26 13:03:09 -07001001 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00001002 pr_cont("\n");
1003 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07001004 netif_carrier_off(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +00001005 netdev_err(bp->dev, "NIC %s Link is Down\n",
1006 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -07001007 }
Michael Chane3648b32005-11-04 08:51:21 -08001008
1009 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001010}
1011
1012static void
1013bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1014{
1015 u32 local_adv, remote_adv;
1016
1017 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001018 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -07001019 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1020
1021 if (bp->duplex == DUPLEX_FULL) {
1022 bp->flow_ctrl = bp->req_flow_ctrl;
1023 }
1024 return;
1025 }
1026
1027 if (bp->duplex != DUPLEX_FULL) {
1028 return;
1029 }
1030
Michael Chan583c28e2008-01-21 19:51:35 -08001031 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan5b0c76a2005-11-04 08:45:49 -08001032 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
1033 u32 val;
1034
1035 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1036 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1037 bp->flow_ctrl |= FLOW_CTRL_TX;
1038 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1039 bp->flow_ctrl |= FLOW_CTRL_RX;
1040 return;
1041 }
1042
Michael Chanca58c3a2007-05-03 13:22:52 -07001043 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1044 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001045
Michael Chan583c28e2008-01-21 19:51:35 -08001046 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001047 u32 new_local_adv = 0;
1048 u32 new_remote_adv = 0;
1049
1050 if (local_adv & ADVERTISE_1000XPAUSE)
1051 new_local_adv |= ADVERTISE_PAUSE_CAP;
1052 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1053 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1054 if (remote_adv & ADVERTISE_1000XPAUSE)
1055 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1056 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1057 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1058
1059 local_adv = new_local_adv;
1060 remote_adv = new_remote_adv;
1061 }
1062
1063 /* See Table 28B-3 of 802.3ab-1999 spec. */
1064 if (local_adv & ADVERTISE_PAUSE_CAP) {
1065 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1066 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1067 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1068 }
1069 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1070 bp->flow_ctrl = FLOW_CTRL_RX;
1071 }
1072 }
1073 else {
1074 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1075 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1076 }
1077 }
1078 }
1079 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1080 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1081 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1082
1083 bp->flow_ctrl = FLOW_CTRL_TX;
1084 }
1085 }
1086}
1087
1088static int
Michael Chan27a005b2007-05-03 13:23:41 -07001089bnx2_5709s_linkup(struct bnx2 *bp)
1090{
1091 u32 val, speed;
1092
1093 bp->link_up = 1;
1094
1095 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1096 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1097 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1098
1099 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1100 bp->line_speed = bp->req_line_speed;
1101 bp->duplex = bp->req_duplex;
1102 return 0;
1103 }
1104 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1105 switch (speed) {
1106 case MII_BNX2_GP_TOP_AN_SPEED_10:
1107 bp->line_speed = SPEED_10;
1108 break;
1109 case MII_BNX2_GP_TOP_AN_SPEED_100:
1110 bp->line_speed = SPEED_100;
1111 break;
1112 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1113 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1114 bp->line_speed = SPEED_1000;
1115 break;
1116 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1117 bp->line_speed = SPEED_2500;
1118 break;
1119 }
1120 if (val & MII_BNX2_GP_TOP_AN_FD)
1121 bp->duplex = DUPLEX_FULL;
1122 else
1123 bp->duplex = DUPLEX_HALF;
1124 return 0;
1125}
1126
1127static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001128bnx2_5708s_linkup(struct bnx2 *bp)
1129{
1130 u32 val;
1131
1132 bp->link_up = 1;
1133 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1134 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1135 case BCM5708S_1000X_STAT1_SPEED_10:
1136 bp->line_speed = SPEED_10;
1137 break;
1138 case BCM5708S_1000X_STAT1_SPEED_100:
1139 bp->line_speed = SPEED_100;
1140 break;
1141 case BCM5708S_1000X_STAT1_SPEED_1G:
1142 bp->line_speed = SPEED_1000;
1143 break;
1144 case BCM5708S_1000X_STAT1_SPEED_2G5:
1145 bp->line_speed = SPEED_2500;
1146 break;
1147 }
1148 if (val & BCM5708S_1000X_STAT1_FD)
1149 bp->duplex = DUPLEX_FULL;
1150 else
1151 bp->duplex = DUPLEX_HALF;
1152
1153 return 0;
1154}
1155
1156static int
1157bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001158{
1159 u32 bmcr, local_adv, remote_adv, common;
1160
1161 bp->link_up = 1;
1162 bp->line_speed = SPEED_1000;
1163
Michael Chanca58c3a2007-05-03 13:22:52 -07001164 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001165 if (bmcr & BMCR_FULLDPLX) {
1166 bp->duplex = DUPLEX_FULL;
1167 }
1168 else {
1169 bp->duplex = DUPLEX_HALF;
1170 }
1171
1172 if (!(bmcr & BMCR_ANENABLE)) {
1173 return 0;
1174 }
1175
Michael Chanca58c3a2007-05-03 13:22:52 -07001176 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1177 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001178
1179 common = local_adv & remote_adv;
1180 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1181
1182 if (common & ADVERTISE_1000XFULL) {
1183 bp->duplex = DUPLEX_FULL;
1184 }
1185 else {
1186 bp->duplex = DUPLEX_HALF;
1187 }
1188 }
1189
1190 return 0;
1191}
1192
1193static int
1194bnx2_copper_linkup(struct bnx2 *bp)
1195{
1196 u32 bmcr;
1197
Michael Chanca58c3a2007-05-03 13:22:52 -07001198 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001199 if (bmcr & BMCR_ANENABLE) {
1200 u32 local_adv, remote_adv, common;
1201
1202 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1203 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1204
1205 common = local_adv & (remote_adv >> 2);
1206 if (common & ADVERTISE_1000FULL) {
1207 bp->line_speed = SPEED_1000;
1208 bp->duplex = DUPLEX_FULL;
1209 }
1210 else if (common & ADVERTISE_1000HALF) {
1211 bp->line_speed = SPEED_1000;
1212 bp->duplex = DUPLEX_HALF;
1213 }
1214 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001215 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1216 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001217
1218 common = local_adv & remote_adv;
1219 if (common & ADVERTISE_100FULL) {
1220 bp->line_speed = SPEED_100;
1221 bp->duplex = DUPLEX_FULL;
1222 }
1223 else if (common & ADVERTISE_100HALF) {
1224 bp->line_speed = SPEED_100;
1225 bp->duplex = DUPLEX_HALF;
1226 }
1227 else if (common & ADVERTISE_10FULL) {
1228 bp->line_speed = SPEED_10;
1229 bp->duplex = DUPLEX_FULL;
1230 }
1231 else if (common & ADVERTISE_10HALF) {
1232 bp->line_speed = SPEED_10;
1233 bp->duplex = DUPLEX_HALF;
1234 }
1235 else {
1236 bp->line_speed = 0;
1237 bp->link_up = 0;
1238 }
1239 }
1240 }
1241 else {
1242 if (bmcr & BMCR_SPEED100) {
1243 bp->line_speed = SPEED_100;
1244 }
1245 else {
1246 bp->line_speed = SPEED_10;
1247 }
1248 if (bmcr & BMCR_FULLDPLX) {
1249 bp->duplex = DUPLEX_FULL;
1250 }
1251 else {
1252 bp->duplex = DUPLEX_HALF;
1253 }
1254 }
1255
1256 return 0;
1257}
1258
Michael Chan83e3fc82008-01-29 21:37:17 -08001259static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001260bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001261{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001262 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001263
1264 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1265 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1266 val |= 0x02 << 8;
1267
1268 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1269 u32 lo_water, hi_water;
1270
1271 if (bp->flow_ctrl & FLOW_CTRL_TX)
1272 lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
1273 else
1274 lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
1275 if (lo_water >= bp->rx_ring_size)
1276 lo_water = 0;
1277
Michael Chan57260262010-02-15 19:42:09 +00001278 hi_water = min_t(int, bp->rx_ring_size / 4, lo_water + 16);
Michael Chan83e3fc82008-01-29 21:37:17 -08001279
1280 if (hi_water <= lo_water)
1281 lo_water = 0;
1282
1283 hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
1284 lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
1285
1286 if (hi_water > 0xf)
1287 hi_water = 0xf;
1288 else if (hi_water == 0)
1289 lo_water = 0;
1290 val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
1291 }
1292 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1293}
1294
Michael Chanbb4f98a2008-06-19 16:38:19 -07001295static void
1296bnx2_init_all_rx_contexts(struct bnx2 *bp)
1297{
1298 int i;
1299 u32 cid;
1300
1301 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1302 if (i == 1)
1303 cid = RX_RSS_CID;
1304 bnx2_init_rx_context(bp, cid);
1305 }
1306}
1307
Benjamin Li344478d2008-09-18 16:38:24 -07001308static void
Michael Chanb6016b72005-05-26 13:03:09 -07001309bnx2_set_mac_link(struct bnx2 *bp)
1310{
1311 u32 val;
1312
1313 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1314 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1315 (bp->duplex == DUPLEX_HALF)) {
1316 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1317 }
1318
1319 /* Configure the EMAC mode register. */
1320 val = REG_RD(bp, BNX2_EMAC_MODE);
1321
1322 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001323 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001324 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001325
1326 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001327 switch (bp->line_speed) {
1328 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -08001329 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1330 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001331 break;
1332 }
1333 /* fall through */
1334 case SPEED_100:
1335 val |= BNX2_EMAC_MODE_PORT_MII;
1336 break;
1337 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001338 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001339 /* fall through */
1340 case SPEED_1000:
1341 val |= BNX2_EMAC_MODE_PORT_GMII;
1342 break;
1343 }
Michael Chanb6016b72005-05-26 13:03:09 -07001344 }
1345 else {
1346 val |= BNX2_EMAC_MODE_PORT_GMII;
1347 }
1348
1349 /* Set the MAC to operate in the appropriate duplex mode. */
1350 if (bp->duplex == DUPLEX_HALF)
1351 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1352 REG_WR(bp, BNX2_EMAC_MODE, val);
1353
1354 /* Enable/disable rx PAUSE. */
1355 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1356
1357 if (bp->flow_ctrl & FLOW_CTRL_RX)
1358 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1359 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1360
1361 /* Enable/disable tx PAUSE. */
1362 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1363 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1364
1365 if (bp->flow_ctrl & FLOW_CTRL_TX)
1366 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1367 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1368
1369 /* Acknowledge the interrupt. */
1370 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1371
Michael Chan83e3fc82008-01-29 21:37:17 -08001372 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chanbb4f98a2008-06-19 16:38:19 -07001373 bnx2_init_all_rx_contexts(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001374}
1375
Michael Chan27a005b2007-05-03 13:23:41 -07001376static void
1377bnx2_enable_bmsr1(struct bnx2 *bp)
1378{
Michael Chan583c28e2008-01-21 19:51:35 -08001379 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001380 (CHIP_NUM(bp) == CHIP_NUM_5709))
1381 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1382 MII_BNX2_BLK_ADDR_GP_STATUS);
1383}
1384
1385static void
1386bnx2_disable_bmsr1(struct bnx2 *bp)
1387{
Michael Chan583c28e2008-01-21 19:51:35 -08001388 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001389 (CHIP_NUM(bp) == CHIP_NUM_5709))
1390 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1391 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1392}
1393
Michael Chanb6016b72005-05-26 13:03:09 -07001394static int
Michael Chan605a9e22007-05-03 13:23:13 -07001395bnx2_test_and_enable_2g5(struct bnx2 *bp)
1396{
1397 u32 up1;
1398 int ret = 1;
1399
Michael Chan583c28e2008-01-21 19:51:35 -08001400 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001401 return 0;
1402
1403 if (bp->autoneg & AUTONEG_SPEED)
1404 bp->advertising |= ADVERTISED_2500baseX_Full;
1405
Michael Chan27a005b2007-05-03 13:23:41 -07001406 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1407 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1408
Michael Chan605a9e22007-05-03 13:23:13 -07001409 bnx2_read_phy(bp, bp->mii_up1, &up1);
1410 if (!(up1 & BCM5708S_UP1_2G5)) {
1411 up1 |= BCM5708S_UP1_2G5;
1412 bnx2_write_phy(bp, bp->mii_up1, up1);
1413 ret = 0;
1414 }
1415
Michael Chan27a005b2007-05-03 13:23:41 -07001416 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1417 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1418 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1419
Michael Chan605a9e22007-05-03 13:23:13 -07001420 return ret;
1421}
1422
1423static int
1424bnx2_test_and_disable_2g5(struct bnx2 *bp)
1425{
1426 u32 up1;
1427 int ret = 0;
1428
Michael Chan583c28e2008-01-21 19:51:35 -08001429 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001430 return 0;
1431
Michael Chan27a005b2007-05-03 13:23:41 -07001432 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1433 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1434
Michael Chan605a9e22007-05-03 13:23:13 -07001435 bnx2_read_phy(bp, bp->mii_up1, &up1);
1436 if (up1 & BCM5708S_UP1_2G5) {
1437 up1 &= ~BCM5708S_UP1_2G5;
1438 bnx2_write_phy(bp, bp->mii_up1, up1);
1439 ret = 1;
1440 }
1441
Michael Chan27a005b2007-05-03 13:23:41 -07001442 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1443 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1444 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1445
Michael Chan605a9e22007-05-03 13:23:13 -07001446 return ret;
1447}
1448
1449static void
1450bnx2_enable_forced_2g5(struct bnx2 *bp)
1451{
1452 u32 bmcr;
1453
Michael Chan583c28e2008-01-21 19:51:35 -08001454 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001455 return;
1456
Michael Chan27a005b2007-05-03 13:23:41 -07001457 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1458 u32 val;
1459
1460 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1461 MII_BNX2_BLK_ADDR_SERDES_DIG);
1462 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1463 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1464 val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
1465 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1466
1467 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1468 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1469 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1470
1471 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001472 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1473 bmcr |= BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001474 } else {
1475 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001476 }
1477
1478 if (bp->autoneg & AUTONEG_SPEED) {
1479 bmcr &= ~BMCR_ANENABLE;
1480 if (bp->req_duplex == DUPLEX_FULL)
1481 bmcr |= BMCR_FULLDPLX;
1482 }
1483 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1484}
1485
1486static void
1487bnx2_disable_forced_2g5(struct bnx2 *bp)
1488{
1489 u32 bmcr;
1490
Michael Chan583c28e2008-01-21 19:51:35 -08001491 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001492 return;
1493
Michael Chan27a005b2007-05-03 13:23:41 -07001494 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1495 u32 val;
1496
1497 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1498 MII_BNX2_BLK_ADDR_SERDES_DIG);
1499 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
1500 val &= ~MII_BNX2_SD_MISC1_FORCE;
1501 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1502
1503 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1504 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1505 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1506
1507 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001508 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1509 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001510 } else {
1511 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001512 }
1513
1514 if (bp->autoneg & AUTONEG_SPEED)
1515 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1516 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1517}
1518
Michael Chanb2fadea2008-01-21 17:07:06 -08001519static void
1520bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1521{
1522 u32 val;
1523
1524 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1525 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1526 if (start)
1527 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1528 else
1529 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1530}
1531
Michael Chan605a9e22007-05-03 13:23:13 -07001532static int
Michael Chanb6016b72005-05-26 13:03:09 -07001533bnx2_set_link(struct bnx2 *bp)
1534{
1535 u32 bmsr;
1536 u8 link_up;
1537
Michael Chan80be4432006-11-19 14:07:28 -08001538 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001539 bp->link_up = 1;
1540 return 0;
1541 }
1542
Michael Chan583c28e2008-01-21 19:51:35 -08001543 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001544 return 0;
1545
Michael Chanb6016b72005-05-26 13:03:09 -07001546 link_up = bp->link_up;
1547
Michael Chan27a005b2007-05-03 13:23:41 -07001548 bnx2_enable_bmsr1(bp);
1549 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1550 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1551 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001552
Michael Chan583c28e2008-01-21 19:51:35 -08001553 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chanb6016b72005-05-26 13:03:09 -07001554 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001555 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001556
Michael Chan583c28e2008-01-21 19:51:35 -08001557 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001558 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001559 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001560 }
Michael Chanb6016b72005-05-26 13:03:09 -07001561 val = REG_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001562
1563 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1564 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1565 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1566
1567 if ((val & BNX2_EMAC_STATUS_LINK) &&
1568 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001569 bmsr |= BMSR_LSTATUS;
1570 else
1571 bmsr &= ~BMSR_LSTATUS;
1572 }
1573
1574 if (bmsr & BMSR_LSTATUS) {
1575 bp->link_up = 1;
1576
Michael Chan583c28e2008-01-21 19:51:35 -08001577 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001578 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1579 bnx2_5706s_linkup(bp);
1580 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1581 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001582 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1583 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001584 }
1585 else {
1586 bnx2_copper_linkup(bp);
1587 }
1588 bnx2_resolve_flow_ctrl(bp);
1589 }
1590 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001591 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001592 (bp->autoneg & AUTONEG_SPEED))
1593 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001594
Michael Chan583c28e2008-01-21 19:51:35 -08001595 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001596 u32 bmcr;
1597
1598 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1599 bmcr |= BMCR_ANENABLE;
1600 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1601
Michael Chan583c28e2008-01-21 19:51:35 -08001602 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001603 }
Michael Chanb6016b72005-05-26 13:03:09 -07001604 bp->link_up = 0;
1605 }
1606
1607 if (bp->link_up != link_up) {
1608 bnx2_report_link(bp);
1609 }
1610
1611 bnx2_set_mac_link(bp);
1612
1613 return 0;
1614}
1615
1616static int
1617bnx2_reset_phy(struct bnx2 *bp)
1618{
1619 int i;
1620 u32 reg;
1621
Michael Chanca58c3a2007-05-03 13:22:52 -07001622 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001623
1624#define PHY_RESET_MAX_WAIT 100
1625 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1626 udelay(10);
1627
Michael Chanca58c3a2007-05-03 13:22:52 -07001628 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001629 if (!(reg & BMCR_RESET)) {
1630 udelay(20);
1631 break;
1632 }
1633 }
1634 if (i == PHY_RESET_MAX_WAIT) {
1635 return -EBUSY;
1636 }
1637 return 0;
1638}
1639
1640static u32
1641bnx2_phy_get_pause_adv(struct bnx2 *bp)
1642{
1643 u32 adv = 0;
1644
1645 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1646 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1647
Michael Chan583c28e2008-01-21 19:51:35 -08001648 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001649 adv = ADVERTISE_1000XPAUSE;
1650 }
1651 else {
1652 adv = ADVERTISE_PAUSE_CAP;
1653 }
1654 }
1655 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001656 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001657 adv = ADVERTISE_1000XPSE_ASYM;
1658 }
1659 else {
1660 adv = ADVERTISE_PAUSE_ASYM;
1661 }
1662 }
1663 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001664 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001665 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1666 }
1667 else {
1668 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1669 }
1670 }
1671 return adv;
1672}
1673
Michael Chana2f13892008-07-14 22:38:23 -07001674static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
Michael Chan0d8a6572007-07-07 22:49:43 -07001675
Michael Chanb6016b72005-05-26 13:03:09 -07001676static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001677bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001678__releases(&bp->phy_lock)
1679__acquires(&bp->phy_lock)
Michael Chan0d8a6572007-07-07 22:49:43 -07001680{
1681 u32 speed_arg = 0, pause_adv;
1682
1683 pause_adv = bnx2_phy_get_pause_adv(bp);
1684
1685 if (bp->autoneg & AUTONEG_SPEED) {
1686 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1687 if (bp->advertising & ADVERTISED_10baseT_Half)
1688 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1689 if (bp->advertising & ADVERTISED_10baseT_Full)
1690 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1691 if (bp->advertising & ADVERTISED_100baseT_Half)
1692 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1693 if (bp->advertising & ADVERTISED_100baseT_Full)
1694 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1695 if (bp->advertising & ADVERTISED_1000baseT_Full)
1696 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1697 if (bp->advertising & ADVERTISED_2500baseX_Full)
1698 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1699 } else {
1700 if (bp->req_line_speed == SPEED_2500)
1701 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1702 else if (bp->req_line_speed == SPEED_1000)
1703 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1704 else if (bp->req_line_speed == SPEED_100) {
1705 if (bp->req_duplex == DUPLEX_FULL)
1706 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1707 else
1708 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1709 } else if (bp->req_line_speed == SPEED_10) {
1710 if (bp->req_duplex == DUPLEX_FULL)
1711 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1712 else
1713 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1714 }
1715 }
1716
1717 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1718 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001719 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001720 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1721
1722 if (port == PORT_TP)
1723 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1724 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1725
Michael Chan2726d6e2008-01-29 21:35:05 -08001726 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001727
1728 spin_unlock_bh(&bp->phy_lock);
Michael Chana2f13892008-07-14 22:38:23 -07001729 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
Michael Chan0d8a6572007-07-07 22:49:43 -07001730 spin_lock_bh(&bp->phy_lock);
1731
1732 return 0;
1733}
1734
1735static int
1736bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001737__releases(&bp->phy_lock)
1738__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07001739{
Michael Chan605a9e22007-05-03 13:23:13 -07001740 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001741 u32 new_adv = 0;
1742
Michael Chan583c28e2008-01-21 19:51:35 -08001743 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001744 return (bnx2_setup_remote_phy(bp, port));
1745
Michael Chanb6016b72005-05-26 13:03:09 -07001746 if (!(bp->autoneg & AUTONEG_SPEED)) {
1747 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001748 int force_link_down = 0;
1749
Michael Chan605a9e22007-05-03 13:23:13 -07001750 if (bp->req_line_speed == SPEED_2500) {
1751 if (!bnx2_test_and_enable_2g5(bp))
1752 force_link_down = 1;
1753 } else if (bp->req_line_speed == SPEED_1000) {
1754 if (bnx2_test_and_disable_2g5(bp))
1755 force_link_down = 1;
1756 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001757 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001758 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1759
Michael Chanca58c3a2007-05-03 13:22:52 -07001760 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001761 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001762 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001763
Michael Chan27a005b2007-05-03 13:23:41 -07001764 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1765 if (bp->req_line_speed == SPEED_2500)
1766 bnx2_enable_forced_2g5(bp);
1767 else if (bp->req_line_speed == SPEED_1000) {
1768 bnx2_disable_forced_2g5(bp);
1769 new_bmcr &= ~0x2000;
1770 }
1771
1772 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001773 if (bp->req_line_speed == SPEED_2500)
1774 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1775 else
1776 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001777 }
1778
Michael Chanb6016b72005-05-26 13:03:09 -07001779 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001780 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001781 new_bmcr |= BMCR_FULLDPLX;
1782 }
1783 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001784 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001785 new_bmcr &= ~BMCR_FULLDPLX;
1786 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001787 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001788 /* Force a link down visible on the other side */
1789 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001790 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001791 ~(ADVERTISE_1000XFULL |
1792 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001793 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001794 BMCR_ANRESTART | BMCR_ANENABLE);
1795
1796 bp->link_up = 0;
1797 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001798 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001799 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001800 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001801 bnx2_write_phy(bp, bp->mii_adv, adv);
1802 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001803 } else {
1804 bnx2_resolve_flow_ctrl(bp);
1805 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001806 }
1807 return 0;
1808 }
1809
Michael Chan605a9e22007-05-03 13:23:13 -07001810 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001811
Michael Chanb6016b72005-05-26 13:03:09 -07001812 if (bp->advertising & ADVERTISED_1000baseT_Full)
1813 new_adv |= ADVERTISE_1000XFULL;
1814
1815 new_adv |= bnx2_phy_get_pause_adv(bp);
1816
Michael Chanca58c3a2007-05-03 13:22:52 -07001817 bnx2_read_phy(bp, bp->mii_adv, &adv);
1818 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001819
1820 bp->serdes_an_pending = 0;
1821 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1822 /* Force a link down visible on the other side */
1823 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001824 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001825 spin_unlock_bh(&bp->phy_lock);
1826 msleep(20);
1827 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001828 }
1829
Michael Chanca58c3a2007-05-03 13:22:52 -07001830 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1831 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001832 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001833 /* Speed up link-up time when the link partner
1834 * does not autonegotiate which is very common
1835 * in blade servers. Some blade servers use
1836 * IPMI for kerboard input and it's important
1837 * to minimize link disruptions. Autoneg. involves
1838 * exchanging base pages plus 3 next pages and
1839 * normally completes in about 120 msec.
1840 */
Michael Chan40105c02008-11-12 16:02:45 -08001841 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08001842 bp->serdes_an_pending = 1;
1843 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001844 } else {
1845 bnx2_resolve_flow_ctrl(bp);
1846 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001847 }
1848
1849 return 0;
1850}
1851
1852#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001853 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001854 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1855 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001856
1857#define ETHTOOL_ALL_COPPER_SPEED \
1858 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1859 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1860 ADVERTISED_1000baseT_Full)
1861
1862#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1863 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001864
Michael Chanb6016b72005-05-26 13:03:09 -07001865#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1866
Michael Chandeaf3912007-07-07 22:48:00 -07001867static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001868bnx2_set_default_remote_link(struct bnx2 *bp)
1869{
1870 u32 link;
1871
1872 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001873 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001874 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001875 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001876
1877 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1878 bp->req_line_speed = 0;
1879 bp->autoneg |= AUTONEG_SPEED;
1880 bp->advertising = ADVERTISED_Autoneg;
1881 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1882 bp->advertising |= ADVERTISED_10baseT_Half;
1883 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1884 bp->advertising |= ADVERTISED_10baseT_Full;
1885 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1886 bp->advertising |= ADVERTISED_100baseT_Half;
1887 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1888 bp->advertising |= ADVERTISED_100baseT_Full;
1889 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1890 bp->advertising |= ADVERTISED_1000baseT_Full;
1891 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1892 bp->advertising |= ADVERTISED_2500baseX_Full;
1893 } else {
1894 bp->autoneg = 0;
1895 bp->advertising = 0;
1896 bp->req_duplex = DUPLEX_FULL;
1897 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1898 bp->req_line_speed = SPEED_10;
1899 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1900 bp->req_duplex = DUPLEX_HALF;
1901 }
1902 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1903 bp->req_line_speed = SPEED_100;
1904 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1905 bp->req_duplex = DUPLEX_HALF;
1906 }
1907 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1908 bp->req_line_speed = SPEED_1000;
1909 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1910 bp->req_line_speed = SPEED_2500;
1911 }
1912}
1913
1914static void
Michael Chandeaf3912007-07-07 22:48:00 -07001915bnx2_set_default_link(struct bnx2 *bp)
1916{
Harvey Harrisonab598592008-05-01 02:47:38 -07001917 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1918 bnx2_set_default_remote_link(bp);
1919 return;
1920 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001921
Michael Chandeaf3912007-07-07 22:48:00 -07001922 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1923 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001924 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001925 u32 reg;
1926
1927 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1928
Michael Chan2726d6e2008-01-29 21:35:05 -08001929 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001930 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1931 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1932 bp->autoneg = 0;
1933 bp->req_line_speed = bp->line_speed = SPEED_1000;
1934 bp->req_duplex = DUPLEX_FULL;
1935 }
1936 } else
1937 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1938}
1939
Michael Chan0d8a6572007-07-07 22:49:43 -07001940static void
Michael Chandf149d72007-07-07 22:51:36 -07001941bnx2_send_heart_beat(struct bnx2 *bp)
1942{
1943 u32 msg;
1944 u32 addr;
1945
1946 spin_lock(&bp->indirect_lock);
1947 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1948 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1949 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1950 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1951 spin_unlock(&bp->indirect_lock);
1952}
1953
1954static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001955bnx2_remote_phy_event(struct bnx2 *bp)
1956{
1957 u32 msg;
1958 u8 link_up = bp->link_up;
1959 u8 old_port;
1960
Michael Chan2726d6e2008-01-29 21:35:05 -08001961 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001962
Michael Chandf149d72007-07-07 22:51:36 -07001963 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1964 bnx2_send_heart_beat(bp);
1965
1966 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1967
Michael Chan0d8a6572007-07-07 22:49:43 -07001968 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1969 bp->link_up = 0;
1970 else {
1971 u32 speed;
1972
1973 bp->link_up = 1;
1974 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1975 bp->duplex = DUPLEX_FULL;
1976 switch (speed) {
1977 case BNX2_LINK_STATUS_10HALF:
1978 bp->duplex = DUPLEX_HALF;
1979 case BNX2_LINK_STATUS_10FULL:
1980 bp->line_speed = SPEED_10;
1981 break;
1982 case BNX2_LINK_STATUS_100HALF:
1983 bp->duplex = DUPLEX_HALF;
1984 case BNX2_LINK_STATUS_100BASE_T4:
1985 case BNX2_LINK_STATUS_100FULL:
1986 bp->line_speed = SPEED_100;
1987 break;
1988 case BNX2_LINK_STATUS_1000HALF:
1989 bp->duplex = DUPLEX_HALF;
1990 case BNX2_LINK_STATUS_1000FULL:
1991 bp->line_speed = SPEED_1000;
1992 break;
1993 case BNX2_LINK_STATUS_2500HALF:
1994 bp->duplex = DUPLEX_HALF;
1995 case BNX2_LINK_STATUS_2500FULL:
1996 bp->line_speed = SPEED_2500;
1997 break;
1998 default:
1999 bp->line_speed = 0;
2000 break;
2001 }
2002
Michael Chan0d8a6572007-07-07 22:49:43 -07002003 bp->flow_ctrl = 0;
2004 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
2005 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
2006 if (bp->duplex == DUPLEX_FULL)
2007 bp->flow_ctrl = bp->req_flow_ctrl;
2008 } else {
2009 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2010 bp->flow_ctrl |= FLOW_CTRL_TX;
2011 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2012 bp->flow_ctrl |= FLOW_CTRL_RX;
2013 }
2014
2015 old_port = bp->phy_port;
2016 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2017 bp->phy_port = PORT_FIBRE;
2018 else
2019 bp->phy_port = PORT_TP;
2020
2021 if (old_port != bp->phy_port)
2022 bnx2_set_default_link(bp);
2023
Michael Chan0d8a6572007-07-07 22:49:43 -07002024 }
2025 if (bp->link_up != link_up)
2026 bnx2_report_link(bp);
2027
2028 bnx2_set_mac_link(bp);
2029}
2030
2031static int
2032bnx2_set_remote_link(struct bnx2 *bp)
2033{
2034 u32 evt_code;
2035
Michael Chan2726d6e2008-01-29 21:35:05 -08002036 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07002037 switch (evt_code) {
2038 case BNX2_FW_EVT_CODE_LINK_EVENT:
2039 bnx2_remote_phy_event(bp);
2040 break;
2041 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2042 default:
Michael Chandf149d72007-07-07 22:51:36 -07002043 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07002044 break;
2045 }
2046 return 0;
2047}
2048
Michael Chanb6016b72005-05-26 13:03:09 -07002049static int
2050bnx2_setup_copper_phy(struct bnx2 *bp)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002051__releases(&bp->phy_lock)
2052__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002053{
2054 u32 bmcr;
2055 u32 new_bmcr;
2056
Michael Chanca58c3a2007-05-03 13:22:52 -07002057 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002058
2059 if (bp->autoneg & AUTONEG_SPEED) {
2060 u32 adv_reg, adv1000_reg;
2061 u32 new_adv_reg = 0;
2062 u32 new_adv1000_reg = 0;
2063
Michael Chanca58c3a2007-05-03 13:22:52 -07002064 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002065 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2066 ADVERTISE_PAUSE_ASYM);
2067
2068 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2069 adv1000_reg &= PHY_ALL_1000_SPEED;
2070
2071 if (bp->advertising & ADVERTISED_10baseT_Half)
2072 new_adv_reg |= ADVERTISE_10HALF;
2073 if (bp->advertising & ADVERTISED_10baseT_Full)
2074 new_adv_reg |= ADVERTISE_10FULL;
2075 if (bp->advertising & ADVERTISED_100baseT_Half)
2076 new_adv_reg |= ADVERTISE_100HALF;
2077 if (bp->advertising & ADVERTISED_100baseT_Full)
2078 new_adv_reg |= ADVERTISE_100FULL;
2079 if (bp->advertising & ADVERTISED_1000baseT_Full)
2080 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002081
Michael Chanb6016b72005-05-26 13:03:09 -07002082 new_adv_reg |= ADVERTISE_CSMA;
2083
2084 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
2085
2086 if ((adv1000_reg != new_adv1000_reg) ||
2087 (adv_reg != new_adv_reg) ||
2088 ((bmcr & BMCR_ANENABLE) == 0)) {
2089
Michael Chanca58c3a2007-05-03 13:22:52 -07002090 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002091 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07002092 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07002093 BMCR_ANENABLE);
2094 }
2095 else if (bp->link_up) {
2096 /* Flow ctrl may have changed from auto to forced */
2097 /* or vice-versa. */
2098
2099 bnx2_resolve_flow_ctrl(bp);
2100 bnx2_set_mac_link(bp);
2101 }
2102 return 0;
2103 }
2104
2105 new_bmcr = 0;
2106 if (bp->req_line_speed == SPEED_100) {
2107 new_bmcr |= BMCR_SPEED100;
2108 }
2109 if (bp->req_duplex == DUPLEX_FULL) {
2110 new_bmcr |= BMCR_FULLDPLX;
2111 }
2112 if (new_bmcr != bmcr) {
2113 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07002114
Michael Chanca58c3a2007-05-03 13:22:52 -07002115 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2116 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002117
Michael Chanb6016b72005-05-26 13:03:09 -07002118 if (bmsr & BMSR_LSTATUS) {
2119 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07002120 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08002121 spin_unlock_bh(&bp->phy_lock);
2122 msleep(50);
2123 spin_lock_bh(&bp->phy_lock);
2124
Michael Chanca58c3a2007-05-03 13:22:52 -07002125 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2126 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07002127 }
2128
Michael Chanca58c3a2007-05-03 13:22:52 -07002129 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002130
2131 /* Normally, the new speed is setup after the link has
2132 * gone down and up again. In some cases, link will not go
2133 * down so we need to set up the new speed here.
2134 */
2135 if (bmsr & BMSR_LSTATUS) {
2136 bp->line_speed = bp->req_line_speed;
2137 bp->duplex = bp->req_duplex;
2138 bnx2_resolve_flow_ctrl(bp);
2139 bnx2_set_mac_link(bp);
2140 }
Michael Chan27a005b2007-05-03 13:23:41 -07002141 } else {
2142 bnx2_resolve_flow_ctrl(bp);
2143 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002144 }
2145 return 0;
2146}
2147
2148static int
Michael Chan0d8a6572007-07-07 22:49:43 -07002149bnx2_setup_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002150__releases(&bp->phy_lock)
2151__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002152{
2153 if (bp->loopback == MAC_LOOPBACK)
2154 return 0;
2155
Michael Chan583c28e2008-01-21 19:51:35 -08002156 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07002157 return (bnx2_setup_serdes_phy(bp, port));
Michael Chanb6016b72005-05-26 13:03:09 -07002158 }
2159 else {
2160 return (bnx2_setup_copper_phy(bp));
2161 }
2162}
2163
2164static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002165bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07002166{
2167 u32 val;
2168
2169 bp->mii_bmcr = MII_BMCR + 0x10;
2170 bp->mii_bmsr = MII_BMSR + 0x10;
2171 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2172 bp->mii_adv = MII_ADVERTISE + 0x10;
2173 bp->mii_lpa = MII_LPA + 0x10;
2174 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2175
2176 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2177 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2178
2179 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07002180 if (reset_phy)
2181 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002182
2183 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2184
2185 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2186 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2187 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2188 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2189
2190 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2191 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002192 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002193 val |= BCM5708S_UP1_2G5;
2194 else
2195 val &= ~BCM5708S_UP1_2G5;
2196 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2197
2198 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2199 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2200 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2201 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2202
2203 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2204
2205 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2206 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2207 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2208
2209 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2210
2211 return 0;
2212}
2213
2214static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002215bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002216{
2217 u32 val;
2218
Michael Chan9a120bc2008-05-16 22:17:45 -07002219 if (reset_phy)
2220 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002221
2222 bp->mii_up1 = BCM5708S_UP1;
2223
Michael Chan5b0c76a2005-11-04 08:45:49 -08002224 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2225 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2226 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2227
2228 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2229 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2230 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2231
2232 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2233 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2234 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2235
Michael Chan583c28e2008-01-21 19:51:35 -08002236 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002237 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2238 val |= BCM5708S_UP1_2G5;
2239 bnx2_write_phy(bp, BCM5708S_UP1, val);
2240 }
2241
2242 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08002243 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2244 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002245 /* increase tx signal amplitude */
2246 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2247 BCM5708S_BLK_ADDR_TX_MISC);
2248 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2249 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2250 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2251 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2252 }
2253
Michael Chan2726d6e2008-01-29 21:35:05 -08002254 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002255 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2256
2257 if (val) {
2258 u32 is_backplane;
2259
Michael Chan2726d6e2008-01-29 21:35:05 -08002260 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002261 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2262 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2263 BCM5708S_BLK_ADDR_TX_MISC);
2264 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2265 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2266 BCM5708S_BLK_ADDR_DIG);
2267 }
2268 }
2269 return 0;
2270}
2271
2272static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002273bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002274{
Michael Chan9a120bc2008-05-16 22:17:45 -07002275 if (reset_phy)
2276 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002277
Michael Chan583c28e2008-01-21 19:51:35 -08002278 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002279
Michael Chan59b47d82006-11-19 14:10:45 -08002280 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2281 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002282
2283 if (bp->dev->mtu > 1500) {
2284 u32 val;
2285
2286 /* Set extended packet length bit */
2287 bnx2_write_phy(bp, 0x18, 0x7);
2288 bnx2_read_phy(bp, 0x18, &val);
2289 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2290
2291 bnx2_write_phy(bp, 0x1c, 0x6c00);
2292 bnx2_read_phy(bp, 0x1c, &val);
2293 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2294 }
2295 else {
2296 u32 val;
2297
2298 bnx2_write_phy(bp, 0x18, 0x7);
2299 bnx2_read_phy(bp, 0x18, &val);
2300 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2301
2302 bnx2_write_phy(bp, 0x1c, 0x6c00);
2303 bnx2_read_phy(bp, 0x1c, &val);
2304 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2305 }
2306
2307 return 0;
2308}
2309
2310static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002311bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002312{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002313 u32 val;
2314
Michael Chan9a120bc2008-05-16 22:17:45 -07002315 if (reset_phy)
2316 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002317
Michael Chan583c28e2008-01-21 19:51:35 -08002318 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002319 bnx2_write_phy(bp, 0x18, 0x0c00);
2320 bnx2_write_phy(bp, 0x17, 0x000a);
2321 bnx2_write_phy(bp, 0x15, 0x310b);
2322 bnx2_write_phy(bp, 0x17, 0x201f);
2323 bnx2_write_phy(bp, 0x15, 0x9506);
2324 bnx2_write_phy(bp, 0x17, 0x401f);
2325 bnx2_write_phy(bp, 0x15, 0x14e2);
2326 bnx2_write_phy(bp, 0x18, 0x0400);
2327 }
2328
Michael Chan583c28e2008-01-21 19:51:35 -08002329 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002330 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2331 MII_BNX2_DSP_EXPAND_REG | 0x8);
2332 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2333 val &= ~(1 << 8);
2334 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2335 }
2336
Michael Chanb6016b72005-05-26 13:03:09 -07002337 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002338 /* Set extended packet length bit */
2339 bnx2_write_phy(bp, 0x18, 0x7);
2340 bnx2_read_phy(bp, 0x18, &val);
2341 bnx2_write_phy(bp, 0x18, val | 0x4000);
2342
2343 bnx2_read_phy(bp, 0x10, &val);
2344 bnx2_write_phy(bp, 0x10, val | 0x1);
2345 }
2346 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002347 bnx2_write_phy(bp, 0x18, 0x7);
2348 bnx2_read_phy(bp, 0x18, &val);
2349 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2350
2351 bnx2_read_phy(bp, 0x10, &val);
2352 bnx2_write_phy(bp, 0x10, val & ~0x1);
2353 }
2354
Michael Chan5b0c76a2005-11-04 08:45:49 -08002355 /* ethernet@wirespeed */
2356 bnx2_write_phy(bp, 0x18, 0x7007);
2357 bnx2_read_phy(bp, 0x18, &val);
2358 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07002359 return 0;
2360}
2361
2362
2363static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002364bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002365__releases(&bp->phy_lock)
2366__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002367{
2368 u32 val;
2369 int rc = 0;
2370
Michael Chan583c28e2008-01-21 19:51:35 -08002371 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2372 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002373
Michael Chanca58c3a2007-05-03 13:22:52 -07002374 bp->mii_bmcr = MII_BMCR;
2375 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002376 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002377 bp->mii_adv = MII_ADVERTISE;
2378 bp->mii_lpa = MII_LPA;
2379
Michael Chanb6016b72005-05-26 13:03:09 -07002380 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2381
Michael Chan583c28e2008-01-21 19:51:35 -08002382 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002383 goto setup_phy;
2384
Michael Chanb6016b72005-05-26 13:03:09 -07002385 bnx2_read_phy(bp, MII_PHYSID1, &val);
2386 bp->phy_id = val << 16;
2387 bnx2_read_phy(bp, MII_PHYSID2, &val);
2388 bp->phy_id |= val & 0xffff;
2389
Michael Chan583c28e2008-01-21 19:51:35 -08002390 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002391 if (CHIP_NUM(bp) == CHIP_NUM_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002392 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002393 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002394 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan27a005b2007-05-03 13:23:41 -07002395 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002396 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002397 }
2398 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002399 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002400 }
2401
Michael Chan0d8a6572007-07-07 22:49:43 -07002402setup_phy:
2403 if (!rc)
2404 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002405
2406 return rc;
2407}
2408
2409static int
2410bnx2_set_mac_loopback(struct bnx2 *bp)
2411{
2412 u32 mac_mode;
2413
2414 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2415 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2416 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2417 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2418 bp->link_up = 1;
2419 return 0;
2420}
2421
Michael Chanbc5a0692006-01-23 16:13:22 -08002422static int bnx2_test_link(struct bnx2 *);
2423
2424static int
2425bnx2_set_phy_loopback(struct bnx2 *bp)
2426{
2427 u32 mac_mode;
2428 int rc, i;
2429
2430 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002431 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002432 BMCR_SPEED1000);
2433 spin_unlock_bh(&bp->phy_lock);
2434 if (rc)
2435 return rc;
2436
2437 for (i = 0; i < 10; i++) {
2438 if (bnx2_test_link(bp) == 0)
2439 break;
Michael Chan80be4432006-11-19 14:07:28 -08002440 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002441 }
2442
2443 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2444 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2445 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002446 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002447
2448 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2449 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2450 bp->link_up = 1;
2451 return 0;
2452}
2453
Michael Chanb6016b72005-05-26 13:03:09 -07002454static int
Michael Chana2f13892008-07-14 22:38:23 -07002455bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002456{
2457 int i;
2458 u32 val;
2459
Michael Chanb6016b72005-05-26 13:03:09 -07002460 bp->fw_wr_seq++;
2461 msg_data |= bp->fw_wr_seq;
2462
Michael Chan2726d6e2008-01-29 21:35:05 -08002463 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002464
Michael Chana2f13892008-07-14 22:38:23 -07002465 if (!ack)
2466 return 0;
2467
Michael Chanb6016b72005-05-26 13:03:09 -07002468 /* wait for an acknowledgement. */
Michael Chan40105c02008-11-12 16:02:45 -08002469 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
Michael Chanb090ae22006-01-23 16:07:10 -08002470 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002471
Michael Chan2726d6e2008-01-29 21:35:05 -08002472 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002473
2474 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2475 break;
2476 }
Michael Chanb090ae22006-01-23 16:07:10 -08002477 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2478 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002479
2480 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002481 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2482 if (!silent)
Joe Perches3a9c6a42010-02-17 15:01:51 +00002483 pr_err("fw sync timeout, reset code = %x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002484
2485 msg_data &= ~BNX2_DRV_MSG_CODE;
2486 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2487
Michael Chan2726d6e2008-01-29 21:35:05 -08002488 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002489
Michael Chanb6016b72005-05-26 13:03:09 -07002490 return -EBUSY;
2491 }
2492
Michael Chanb090ae22006-01-23 16:07:10 -08002493 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2494 return -EIO;
2495
Michael Chanb6016b72005-05-26 13:03:09 -07002496 return 0;
2497}
2498
Michael Chan59b47d82006-11-19 14:10:45 -08002499static int
2500bnx2_init_5709_context(struct bnx2 *bp)
2501{
2502 int i, ret = 0;
2503 u32 val;
2504
2505 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2506 val |= (BCM_PAGE_BITS - 8) << 16;
2507 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002508 for (i = 0; i < 10; i++) {
2509 val = REG_RD(bp, BNX2_CTX_COMMAND);
2510 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2511 break;
2512 udelay(2);
2513 }
2514 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2515 return -EBUSY;
2516
Michael Chan59b47d82006-11-19 14:10:45 -08002517 for (i = 0; i < bp->ctx_pages; i++) {
2518 int j;
2519
Michael Chan352f7682008-05-02 16:57:26 -07002520 if (bp->ctx_blk[i])
2521 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2522 else
2523 return -ENOMEM;
2524
Michael Chan59b47d82006-11-19 14:10:45 -08002525 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2526 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2527 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2528 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2529 (u64) bp->ctx_blk_mapping[i] >> 32);
2530 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2531 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2532 for (j = 0; j < 10; j++) {
2533
2534 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2535 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2536 break;
2537 udelay(5);
2538 }
2539 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2540 ret = -EBUSY;
2541 break;
2542 }
2543 }
2544 return ret;
2545}
2546
Michael Chanb6016b72005-05-26 13:03:09 -07002547static void
2548bnx2_init_context(struct bnx2 *bp)
2549{
2550 u32 vcid;
2551
2552 vcid = 96;
2553 while (vcid) {
2554 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002555 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002556
2557 vcid--;
2558
2559 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2560 u32 new_vcid;
2561
2562 vcid_addr = GET_PCID_ADDR(vcid);
2563 if (vcid & 0x8) {
2564 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2565 }
2566 else {
2567 new_vcid = vcid;
2568 }
2569 pcid_addr = GET_PCID_ADDR(new_vcid);
2570 }
2571 else {
2572 vcid_addr = GET_CID_ADDR(vcid);
2573 pcid_addr = vcid_addr;
2574 }
2575
Michael Chan7947b202007-06-04 21:17:10 -07002576 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2577 vcid_addr += (i << PHY_CTX_SHIFT);
2578 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002579
Michael Chan5d5d0012007-12-12 11:17:43 -08002580 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002581 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2582
2583 /* Zero out the context. */
2584 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002585 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002586 }
Michael Chanb6016b72005-05-26 13:03:09 -07002587 }
2588}
2589
2590static int
2591bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2592{
2593 u16 *good_mbuf;
2594 u32 good_mbuf_cnt;
2595 u32 val;
2596
2597 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2598 if (good_mbuf == NULL) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00002599 pr_err("Failed to allocate memory in %s\n", __func__);
Michael Chanb6016b72005-05-26 13:03:09 -07002600 return -ENOMEM;
2601 }
2602
2603 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2604 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2605
2606 good_mbuf_cnt = 0;
2607
2608 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002609 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002610 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002611 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2612 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002613
Michael Chan2726d6e2008-01-29 21:35:05 -08002614 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002615
2616 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2617
2618 /* The addresses with Bit 9 set are bad memory blocks. */
2619 if (!(val & (1 << 9))) {
2620 good_mbuf[good_mbuf_cnt] = (u16) val;
2621 good_mbuf_cnt++;
2622 }
2623
Michael Chan2726d6e2008-01-29 21:35:05 -08002624 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002625 }
2626
2627 /* Free the good ones back to the mbuf pool thus discarding
2628 * all the bad ones. */
2629 while (good_mbuf_cnt) {
2630 good_mbuf_cnt--;
2631
2632 val = good_mbuf[good_mbuf_cnt];
2633 val = (val << 9) | val | 1;
2634
Michael Chan2726d6e2008-01-29 21:35:05 -08002635 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002636 }
2637 kfree(good_mbuf);
2638 return 0;
2639}
2640
2641static void
Benjamin Li5fcaed02008-07-14 22:39:52 -07002642bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
Michael Chanb6016b72005-05-26 13:03:09 -07002643{
2644 u32 val;
Michael Chanb6016b72005-05-26 13:03:09 -07002645
2646 val = (mac_addr[0] << 8) | mac_addr[1];
2647
Benjamin Li5fcaed02008-07-14 22:39:52 -07002648 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002649
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002650 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002651 (mac_addr[4] << 8) | mac_addr[5];
2652
Benjamin Li5fcaed02008-07-14 22:39:52 -07002653 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002654}
2655
2656static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002657bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002658{
2659 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002660 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002661 struct rx_bd *rxbd =
Michael Chanbb4f98a2008-06-19 16:38:19 -07002662 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chan47bf4242007-12-12 11:19:12 -08002663 struct page *page = alloc_page(GFP_ATOMIC);
2664
2665 if (!page)
2666 return -ENOMEM;
2667 mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
2668 PCI_DMA_FROMDEVICE);
Benjamin Li3d16af82008-10-09 12:26:41 -07002669 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2670 __free_page(page);
2671 return -EIO;
2672 }
2673
Michael Chan47bf4242007-12-12 11:19:12 -08002674 rx_pg->page = page;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002675 dma_unmap_addr_set(rx_pg, mapping, mapping);
Michael Chan47bf4242007-12-12 11:19:12 -08002676 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2677 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2678 return 0;
2679}
2680
2681static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002682bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002683{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002684 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002685 struct page *page = rx_pg->page;
2686
2687 if (!page)
2688 return;
2689
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002690 pci_unmap_page(bp->pdev, dma_unmap_addr(rx_pg, mapping), PAGE_SIZE,
Michael Chan47bf4242007-12-12 11:19:12 -08002691 PCI_DMA_FROMDEVICE);
2692
2693 __free_page(page);
2694 rx_pg->page = NULL;
2695}
2696
2697static inline int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002698bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chanb6016b72005-05-26 13:03:09 -07002699{
2700 struct sk_buff *skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002701 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002702 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002703 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002704 unsigned long align;
2705
Michael Chan932f3772006-08-15 01:39:36 -07002706 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
Michael Chanb6016b72005-05-26 13:03:09 -07002707 if (skb == NULL) {
2708 return -ENOMEM;
2709 }
2710
Michael Chan59b47d82006-11-19 14:10:45 -08002711 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2712 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002713
Michael Chanb6016b72005-05-26 13:03:09 -07002714 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
2715 PCI_DMA_FROMDEVICE);
Benjamin Li3d16af82008-10-09 12:26:41 -07002716 if (pci_dma_mapping_error(bp->pdev, mapping)) {
2717 dev_kfree_skb(skb);
2718 return -EIO;
2719 }
Michael Chanb6016b72005-05-26 13:03:09 -07002720
2721 rx_buf->skb = skb;
Michael Chana33fa662010-05-06 08:58:13 +00002722 rx_buf->desc = (struct l2_fhdr *) skb->data;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002723 dma_unmap_addr_set(rx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07002724
2725 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2726 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2727
Michael Chanbb4f98a2008-06-19 16:38:19 -07002728 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002729
2730 return 0;
2731}
2732
Michael Chanda3e4fb2007-05-03 13:24:23 -07002733static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002734bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002735{
Michael Chan43e80b82008-06-19 16:41:08 -07002736 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002737 u32 new_link_state, old_link_state;
2738 int is_set = 1;
2739
2740 new_link_state = sblk->status_attn_bits & event;
2741 old_link_state = sblk->status_attn_bits_ack & event;
2742 if (new_link_state != old_link_state) {
2743 if (new_link_state)
2744 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2745 else
2746 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2747 } else
2748 is_set = 0;
2749
2750 return is_set;
2751}
2752
Michael Chanb6016b72005-05-26 13:03:09 -07002753static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002754bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002755{
Michael Chan74ecc622008-05-02 16:56:16 -07002756 spin_lock(&bp->phy_lock);
2757
2758 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002759 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002760 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002761 bnx2_set_remote_link(bp);
2762
Michael Chan74ecc622008-05-02 16:56:16 -07002763 spin_unlock(&bp->phy_lock);
2764
Michael Chanb6016b72005-05-26 13:03:09 -07002765}
2766
Michael Chanead72702007-12-20 19:55:39 -08002767static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002768bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002769{
2770 u16 cons;
2771
Michael Chan43e80b82008-06-19 16:41:08 -07002772 /* Tell compiler that status block fields can change. */
2773 barrier();
2774 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002775 barrier();
Michael Chanead72702007-12-20 19:55:39 -08002776 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2777 cons++;
2778 return cons;
2779}
2780
Michael Chan57851d82007-12-20 20:01:44 -08002781static int
2782bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002783{
Michael Chan35e90102008-06-19 16:37:42 -07002784 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002785 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002786 int tx_pkt = 0, index;
2787 struct netdev_queue *txq;
2788
2789 index = (bnapi - bp->bnx2_napi);
2790 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002791
Michael Chan35efa7c2007-12-20 19:56:37 -08002792 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002793 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002794
2795 while (sw_cons != hw_cons) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002796 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002797 struct sk_buff *skb;
2798 int i, last;
2799
2800 sw_ring_cons = TX_RING_IDX(sw_cons);
2801
Michael Chan35e90102008-06-19 16:37:42 -07002802 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002803 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002804
Eric Dumazetd62fda02009-05-12 20:48:02 +00002805 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2806 prefetch(&skb->end);
2807
Michael Chanb6016b72005-05-26 13:03:09 -07002808 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002809 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002810 u16 last_idx, last_ring_idx;
2811
Eric Dumazetd62fda02009-05-12 20:48:02 +00002812 last_idx = sw_cons + tx_buf->nr_frags + 1;
2813 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07002814 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2815 last_idx++;
2816 }
2817 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2818 break;
2819 }
2820 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002821
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002822 pci_unmap_single(bp->pdev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00002823 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002824
2825 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002826 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002827
2828 for (i = 0; i < last; i++) {
2829 sw_cons = NEXT_TX_BD(sw_cons);
Alexander Duycke95524a2009-12-02 16:47:57 +00002830
2831 pci_unmap_page(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002832 dma_unmap_addr(
Alexander Duycke95524a2009-12-02 16:47:57 +00002833 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2834 mapping),
2835 skb_shinfo(skb)->frags[i].size,
2836 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002837 }
2838
2839 sw_cons = NEXT_TX_BD(sw_cons);
2840
Michael Chan745720e2006-06-29 12:37:41 -07002841 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002842 tx_pkt++;
2843 if (tx_pkt == budget)
2844 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002845
Eric Dumazetd62fda02009-05-12 20:48:02 +00002846 if (hw_cons == sw_cons)
2847 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002848 }
2849
Michael Chan35e90102008-06-19 16:37:42 -07002850 txr->hw_tx_cons = hw_cons;
2851 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002852
Michael Chan2f8af122006-08-15 01:39:10 -07002853 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002854 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002855 * memory barrier, there is a small possibility that bnx2_start_xmit()
2856 * will miss it and cause the queue to be stopped forever.
2857 */
2858 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002859
Benjamin Li706bf242008-07-18 17:55:11 -07002860 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002861 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002862 __netif_tx_lock(txq, smp_processor_id());
2863 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002864 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002865 netif_tx_wake_queue(txq);
2866 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002867 }
Benjamin Li706bf242008-07-18 17:55:11 -07002868
Michael Chan57851d82007-12-20 20:01:44 -08002869 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002870}
2871
Michael Chan1db82f22007-12-12 11:19:35 -08002872static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002873bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002874 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002875{
2876 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2877 struct rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002878 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002879 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002880 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002881
Benjamin Li3d16af82008-10-09 12:26:41 -07002882 cons_rx_pg = &rxr->rx_pg_ring[cons];
2883
2884 /* The caller was unable to allocate a new page to replace the
2885 * last one in the frags array, so we need to recycle that page
2886 * and then free the skb.
2887 */
2888 if (skb) {
2889 struct page *page;
2890 struct skb_shared_info *shinfo;
2891
2892 shinfo = skb_shinfo(skb);
2893 shinfo->nr_frags--;
2894 page = shinfo->frags[shinfo->nr_frags].page;
2895 shinfo->frags[shinfo->nr_frags].page = NULL;
2896
2897 cons_rx_pg->page = page;
2898 dev_kfree_skb(skb);
2899 }
2900
2901 hw_prod = rxr->rx_pg_prod;
2902
Michael Chan1db82f22007-12-12 11:19:35 -08002903 for (i = 0; i < count; i++) {
2904 prod = RX_PG_RING_IDX(hw_prod);
2905
Michael Chanbb4f98a2008-06-19 16:38:19 -07002906 prod_rx_pg = &rxr->rx_pg_ring[prod];
2907 cons_rx_pg = &rxr->rx_pg_ring[cons];
2908 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2909 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002910
Michael Chan1db82f22007-12-12 11:19:35 -08002911 if (prod != cons) {
2912 prod_rx_pg->page = cons_rx_pg->page;
2913 cons_rx_pg->page = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002914 dma_unmap_addr_set(prod_rx_pg, mapping,
2915 dma_unmap_addr(cons_rx_pg, mapping));
Michael Chan1db82f22007-12-12 11:19:35 -08002916
2917 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2918 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2919
2920 }
2921 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2922 hw_prod = NEXT_RX_BD(hw_prod);
2923 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002924 rxr->rx_pg_prod = hw_prod;
2925 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002926}
2927
Michael Chanb6016b72005-05-26 13:03:09 -07002928static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002929bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2930 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002931{
Michael Chan236b6392006-03-20 17:49:02 -08002932 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2933 struct rx_bd *cons_bd, *prod_bd;
2934
Michael Chanbb4f98a2008-06-19 16:38:19 -07002935 cons_rx_buf = &rxr->rx_buf_ring[cons];
2936 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002937
2938 pci_dma_sync_single_for_device(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002939 dma_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002940 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002941
Michael Chanbb4f98a2008-06-19 16:38:19 -07002942 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002943
2944 prod_rx_buf->skb = skb;
Michael Chana33fa662010-05-06 08:58:13 +00002945 prod_rx_buf->desc = (struct l2_fhdr *) skb->data;
Michael Chan236b6392006-03-20 17:49:02 -08002946
2947 if (cons == prod)
2948 return;
2949
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002950 dma_unmap_addr_set(prod_rx_buf, mapping,
2951 dma_unmap_addr(cons_rx_buf, mapping));
Michael Chanb6016b72005-05-26 13:03:09 -07002952
Michael Chanbb4f98a2008-06-19 16:38:19 -07002953 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2954 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002955 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2956 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002957}
2958
Michael Chan85833c62007-12-12 11:17:01 -08002959static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002960bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002961 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2962 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002963{
2964 int err;
2965 u16 prod = ring_idx & 0xffff;
2966
Michael Chanbb4f98a2008-06-19 16:38:19 -07002967 err = bnx2_alloc_rx_skb(bp, rxr, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002968 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002969 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002970 if (hdr_len) {
2971 unsigned int raw_len = len + 4;
2972 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2973
Michael Chanbb4f98a2008-06-19 16:38:19 -07002974 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002975 }
Michael Chan85833c62007-12-12 11:17:01 -08002976 return err;
2977 }
2978
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002979 skb_reserve(skb, BNX2_RX_OFFSET);
Michael Chan85833c62007-12-12 11:17:01 -08002980 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2981 PCI_DMA_FROMDEVICE);
2982
Michael Chan1db82f22007-12-12 11:19:35 -08002983 if (hdr_len == 0) {
2984 skb_put(skb, len);
2985 return 0;
2986 } else {
2987 unsigned int i, frag_len, frag_size, pages;
2988 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002989 u16 pg_cons = rxr->rx_pg_cons;
2990 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002991
2992 frag_size = len + 4 - hdr_len;
2993 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2994 skb_put(skb, hdr_len);
2995
2996 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002997 dma_addr_t mapping_old;
2998
Michael Chan1db82f22007-12-12 11:19:35 -08002999 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
3000 if (unlikely(frag_len <= 4)) {
3001 unsigned int tail = 4 - frag_len;
3002
Michael Chanbb4f98a2008-06-19 16:38:19 -07003003 rxr->rx_pg_cons = pg_cons;
3004 rxr->rx_pg_prod = pg_prod;
3005 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08003006 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003007 skb->len -= tail;
3008 if (i == 0) {
3009 skb->tail -= tail;
3010 } else {
3011 skb_frag_t *frag =
3012 &skb_shinfo(skb)->frags[i - 1];
3013 frag->size -= tail;
3014 skb->data_len -= tail;
3015 skb->truesize -= tail;
3016 }
3017 return 0;
3018 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003019 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003020
Benjamin Li3d16af82008-10-09 12:26:41 -07003021 /* Don't unmap yet. If we're unable to allocate a new
3022 * page, we need to recycle the page and the DMA addr.
3023 */
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003024 mapping_old = dma_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003025 if (i == pages - 1)
3026 frag_len -= 4;
3027
3028 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3029 rx_pg->page = NULL;
3030
Michael Chanbb4f98a2008-06-19 16:38:19 -07003031 err = bnx2_alloc_rx_page(bp, rxr,
3032 RX_PG_RING_IDX(pg_prod));
Michael Chan1db82f22007-12-12 11:19:35 -08003033 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003034 rxr->rx_pg_cons = pg_cons;
3035 rxr->rx_pg_prod = pg_prod;
3036 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003037 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003038 return err;
3039 }
3040
Benjamin Li3d16af82008-10-09 12:26:41 -07003041 pci_unmap_page(bp->pdev, mapping_old,
3042 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3043
Michael Chan1db82f22007-12-12 11:19:35 -08003044 frag_size -= frag_len;
3045 skb->data_len += frag_len;
3046 skb->truesize += frag_len;
3047 skb->len += frag_len;
3048
3049 pg_prod = NEXT_RX_BD(pg_prod);
3050 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3051 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003052 rxr->rx_pg_prod = pg_prod;
3053 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003054 }
Michael Chan85833c62007-12-12 11:17:01 -08003055 return 0;
3056}
3057
Michael Chanc09c2622007-12-10 17:18:37 -08003058static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003059bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003060{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003061 u16 cons;
3062
Michael Chan43e80b82008-06-19 16:41:08 -07003063 /* Tell compiler that status block fields can change. */
3064 barrier();
3065 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003066 barrier();
Michael Chanc09c2622007-12-10 17:18:37 -08003067 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3068 cons++;
3069 return cons;
3070}
3071
Michael Chanb6016b72005-05-26 13:03:09 -07003072static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003073bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003074{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003075 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003076 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3077 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003078 int rx_pkt = 0, pg_ring_used = 0;
Michael Chana33fa662010-05-06 08:58:13 +00003079 struct pci_dev *pdev = bp->pdev;
Michael Chanb6016b72005-05-26 13:03:09 -07003080
Michael Chan35efa7c2007-12-20 19:56:37 -08003081 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003082 sw_cons = rxr->rx_cons;
3083 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003084
3085 /* Memory barrier necessary as speculative reads of the rx
3086 * buffer can be ahead of the index in the status block
3087 */
3088 rmb();
3089 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003090 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003091 u32 status;
Michael Chana33fa662010-05-06 08:58:13 +00003092 struct sw_bd *rx_buf, *next_rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07003093 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003094 dma_addr_t dma_addr;
Michael Chanf22828e2008-08-14 15:30:14 -07003095 u16 vtag = 0;
3096 int hw_vlan __maybe_unused = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003097
3098 sw_ring_cons = RX_RING_IDX(sw_cons);
3099 sw_ring_prod = RX_RING_IDX(sw_prod);
3100
Michael Chanbb4f98a2008-06-19 16:38:19 -07003101 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07003102 skb = rx_buf->skb;
Michael Chana33fa662010-05-06 08:58:13 +00003103 prefetchw(skb);
Michael Chan236b6392006-03-20 17:49:02 -08003104
Michael Chana33fa662010-05-06 08:58:13 +00003105 if (!get_dma_ops(&pdev->dev)->sync_single_for_cpu) {
3106 next_rx_buf =
3107 &rxr->rx_buf_ring[
3108 RX_RING_IDX(NEXT_RX_BD(sw_cons))];
3109 prefetch(next_rx_buf->desc);
3110 }
Michael Chan236b6392006-03-20 17:49:02 -08003111 rx_buf->skb = NULL;
3112
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003113 dma_addr = dma_unmap_addr(rx_buf, mapping);
Michael Chan236b6392006-03-20 17:49:02 -08003114
3115 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003116 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3117 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003118
Michael Chana33fa662010-05-06 08:58:13 +00003119 rx_hdr = rx_buf->desc;
Michael Chan1db82f22007-12-12 11:19:35 -08003120 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003121 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003122
Michael Chan1db82f22007-12-12 11:19:35 -08003123 hdr_len = 0;
3124 if (status & L2_FHDR_STATUS_SPLIT) {
3125 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3126 pg_ring_used = 1;
3127 } else if (len > bp->rx_jumbo_thresh) {
3128 hdr_len = bp->rx_jumbo_thresh;
3129 pg_ring_used = 1;
3130 }
3131
Michael Chan990ec382009-02-12 16:54:13 -08003132 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3133 L2_FHDR_ERRORS_PHY_DECODE |
3134 L2_FHDR_ERRORS_ALIGNMENT |
3135 L2_FHDR_ERRORS_TOO_SHORT |
3136 L2_FHDR_ERRORS_GIANT_FRAME))) {
3137
3138 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3139 sw_ring_prod);
3140 if (pg_ring_used) {
3141 int pages;
3142
3143 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3144
3145 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3146 }
3147 goto next_rx;
3148 }
3149
Michael Chan1db82f22007-12-12 11:19:35 -08003150 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003151
Michael Chan5d5d0012007-12-12 11:17:43 -08003152 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07003153 struct sk_buff *new_skb;
3154
Michael Chanf22828e2008-08-14 15:30:14 -07003155 new_skb = netdev_alloc_skb(bp->dev, len + 6);
Michael Chan85833c62007-12-12 11:17:01 -08003156 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003157 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003158 sw_ring_prod);
3159 goto next_rx;
3160 }
Michael Chanb6016b72005-05-26 13:03:09 -07003161
3162 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07003163 skb_copy_from_linear_data_offset(skb,
Michael Chanf22828e2008-08-14 15:30:14 -07003164 BNX2_RX_OFFSET - 6,
3165 new_skb->data, len + 6);
3166 skb_reserve(new_skb, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07003167 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003168
Michael Chanbb4f98a2008-06-19 16:38:19 -07003169 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07003170 sw_ring_cons, sw_ring_prod);
3171
3172 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003173 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08003174 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07003175 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07003176
Michael Chanf22828e2008-08-14 15:30:14 -07003177 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
3178 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
3179 vtag = rx_hdr->l2_fhdr_vlan_tag;
3180#ifdef BCM_VLAN
3181 if (bp->vlgrp)
3182 hw_vlan = 1;
3183 else
3184#endif
3185 {
3186 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
3187 __skb_push(skb, 4);
3188
3189 memmove(ve, skb->data + 4, ETH_ALEN * 2);
3190 ve->h_vlan_proto = htons(ETH_P_8021Q);
3191 ve->h_vlan_TCI = htons(vtag);
3192 len += 4;
3193 }
3194 }
3195
Michael Chanb6016b72005-05-26 13:03:09 -07003196 skb->protocol = eth_type_trans(skb, bp->dev);
3197
3198 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07003199 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003200
Michael Chan745720e2006-06-29 12:37:41 -07003201 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003202 goto next_rx;
3203
3204 }
3205
Michael Chanb6016b72005-05-26 13:03:09 -07003206 skb->ip_summed = CHECKSUM_NONE;
3207 if (bp->rx_csum &&
3208 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3209 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3210
Michael Chanade2bfe2006-01-23 16:09:51 -08003211 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3212 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003213 skb->ip_summed = CHECKSUM_UNNECESSARY;
3214 }
3215
David S. Miller0c8dfc82009-01-27 16:22:32 -08003216 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
3217
Michael Chanb6016b72005-05-26 13:03:09 -07003218#ifdef BCM_VLAN
Michael Chanf22828e2008-08-14 15:30:14 -07003219 if (hw_vlan)
Michael Chanc67938a2010-05-06 08:58:12 +00003220 vlan_gro_receive(&bnapi->napi, bp->vlgrp, vtag, skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003221 else
3222#endif
Michael Chanc67938a2010-05-06 08:58:12 +00003223 napi_gro_receive(&bnapi->napi, skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003224
Michael Chanb6016b72005-05-26 13:03:09 -07003225 rx_pkt++;
3226
3227next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07003228 sw_cons = NEXT_RX_BD(sw_cons);
3229 sw_prod = NEXT_RX_BD(sw_prod);
3230
3231 if ((rx_pkt == budget))
3232 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003233
3234 /* Refresh hw_cons to see if there is new work */
3235 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003236 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003237 rmb();
3238 }
Michael Chanb6016b72005-05-26 13:03:09 -07003239 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003240 rxr->rx_cons = sw_cons;
3241 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003242
Michael Chan1db82f22007-12-12 11:19:35 -08003243 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07003244 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003245
Michael Chanbb4f98a2008-06-19 16:38:19 -07003246 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003247
Michael Chanbb4f98a2008-06-19 16:38:19 -07003248 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003249
3250 mmiowb();
3251
3252 return rx_pkt;
3253
3254}
3255
3256/* MSI ISR - The only difference between this and the INTx ISR
3257 * is that the MSI interrupt is always serviced.
3258 */
3259static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003260bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003261{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003262 struct bnx2_napi *bnapi = dev_instance;
3263 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003264
Michael Chan43e80b82008-06-19 16:41:08 -07003265 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003266 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3267 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3268 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3269
3270 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003271 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3272 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003273
Ben Hutchings288379f2009-01-19 16:43:59 -08003274 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003275
Michael Chan73eef4c2005-08-25 15:39:15 -07003276 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003277}
3278
3279static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003280bnx2_msi_1shot(int irq, void *dev_instance)
3281{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003282 struct bnx2_napi *bnapi = dev_instance;
3283 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003284
Michael Chan43e80b82008-06-19 16:41:08 -07003285 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003286
3287 /* Return here if interrupt is disabled. */
3288 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3289 return IRQ_HANDLED;
3290
Ben Hutchings288379f2009-01-19 16:43:59 -08003291 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003292
3293 return IRQ_HANDLED;
3294}
3295
3296static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003297bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003298{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003299 struct bnx2_napi *bnapi = dev_instance;
3300 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003301 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003302
3303 /* When using INTx, it is possible for the interrupt to arrive
3304 * at the CPU before the status block posted prior to the
3305 * interrupt. Reading a register will flush the status block.
3306 * When using MSI, the MSI message will always complete after
3307 * the status block write.
3308 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003309 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003310 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3311 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003312 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003313
3314 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3315 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3316 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3317
Michael Chanb8a7ce72007-07-07 22:51:03 -07003318 /* Read back to deassert IRQ immediately to avoid too many
3319 * spurious interrupts.
3320 */
3321 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3322
Michael Chanb6016b72005-05-26 13:03:09 -07003323 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003324 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3325 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003326
Ben Hutchings288379f2009-01-19 16:43:59 -08003327 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003328 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003329 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003330 }
Michael Chanb6016b72005-05-26 13:03:09 -07003331
Michael Chan73eef4c2005-08-25 15:39:15 -07003332 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003333}
3334
Michael Chan43e80b82008-06-19 16:41:08 -07003335static inline int
3336bnx2_has_fast_work(struct bnx2_napi *bnapi)
3337{
3338 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3339 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3340
3341 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3342 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3343 return 1;
3344 return 0;
3345}
3346
Michael Chan0d8a6572007-07-07 22:49:43 -07003347#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3348 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003349
Michael Chanf4e418f2005-11-04 08:53:48 -08003350static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003351bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003352{
Michael Chan43e80b82008-06-19 16:41:08 -07003353 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003354
Michael Chan43e80b82008-06-19 16:41:08 -07003355 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003356 return 1;
3357
Michael Chan4edd4732009-06-08 18:14:42 -07003358#ifdef BCM_CNIC
3359 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3360 return 1;
3361#endif
3362
Michael Chanda3e4fb2007-05-03 13:24:23 -07003363 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3364 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003365 return 1;
3366
3367 return 0;
3368}
3369
Michael Chanefba0182008-12-03 00:36:15 -08003370static void
3371bnx2_chk_missed_msi(struct bnx2 *bp)
3372{
3373 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3374 u32 msi_ctrl;
3375
3376 if (bnx2_has_work(bnapi)) {
3377 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3378 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3379 return;
3380
3381 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3382 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3383 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3384 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3385 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3386 }
3387 }
3388
3389 bp->idle_chk_status_idx = bnapi->last_status_idx;
3390}
3391
Michael Chan4edd4732009-06-08 18:14:42 -07003392#ifdef BCM_CNIC
3393static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3394{
3395 struct cnic_ops *c_ops;
3396
3397 if (!bnapi->cnic_present)
3398 return;
3399
3400 rcu_read_lock();
3401 c_ops = rcu_dereference(bp->cnic_ops);
3402 if (c_ops)
3403 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3404 bnapi->status_blk.msi);
3405 rcu_read_unlock();
3406}
3407#endif
3408
Michael Chan43e80b82008-06-19 16:41:08 -07003409static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003410{
Michael Chan43e80b82008-06-19 16:41:08 -07003411 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003412 u32 status_attn_bits = sblk->status_attn_bits;
3413 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003414
Michael Chanda3e4fb2007-05-03 13:24:23 -07003415 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3416 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003417
Michael Chan35efa7c2007-12-20 19:56:37 -08003418 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003419
3420 /* This is needed to take care of transient status
3421 * during link changes.
3422 */
3423 REG_WR(bp, BNX2_HC_COMMAND,
3424 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3425 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003426 }
Michael Chan43e80b82008-06-19 16:41:08 -07003427}
3428
3429static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3430 int work_done, int budget)
3431{
3432 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3433 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003434
Michael Chan35e90102008-06-19 16:37:42 -07003435 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003436 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003437
Michael Chanbb4f98a2008-06-19 16:38:19 -07003438 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003439 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003440
David S. Miller6f535762007-10-11 18:08:29 -07003441 return work_done;
3442}
Michael Chanf4e418f2005-11-04 08:53:48 -08003443
Michael Chanf0ea2e62008-06-19 16:41:57 -07003444static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3445{
3446 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3447 struct bnx2 *bp = bnapi->bp;
3448 int work_done = 0;
3449 struct status_block_msix *sblk = bnapi->status_blk.msix;
3450
3451 while (1) {
3452 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3453 if (unlikely(work_done >= budget))
3454 break;
3455
3456 bnapi->last_status_idx = sblk->status_idx;
3457 /* status idx must be read before checking for more work. */
3458 rmb();
3459 if (likely(!bnx2_has_fast_work(bnapi))) {
3460
Ben Hutchings288379f2009-01-19 16:43:59 -08003461 napi_complete(napi);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003462 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3463 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3464 bnapi->last_status_idx);
3465 break;
3466 }
3467 }
3468 return work_done;
3469}
3470
David S. Miller6f535762007-10-11 18:08:29 -07003471static int bnx2_poll(struct napi_struct *napi, int budget)
3472{
Michael Chan35efa7c2007-12-20 19:56:37 -08003473 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3474 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003475 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003476 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003477
3478 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003479 bnx2_poll_link(bp, bnapi);
3480
Michael Chan35efa7c2007-12-20 19:56:37 -08003481 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003482
Michael Chan4edd4732009-06-08 18:14:42 -07003483#ifdef BCM_CNIC
3484 bnx2_poll_cnic(bp, bnapi);
3485#endif
3486
Michael Chan35efa7c2007-12-20 19:56:37 -08003487 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003488 * much work has been processed, so we must read it before
3489 * checking for more work.
3490 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003491 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003492
3493 if (unlikely(work_done >= budget))
3494 break;
3495
Michael Chan6dee6422007-10-12 01:40:38 -07003496 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003497 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003498 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003499 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003500 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3501 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003502 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003503 break;
David S. Miller6f535762007-10-11 18:08:29 -07003504 }
3505 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3506 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3507 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003508 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003509
Michael Chan1269a8a2006-01-23 16:11:03 -08003510 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3511 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003512 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003513 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003514 }
Michael Chanb6016b72005-05-26 13:03:09 -07003515 }
3516
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003517 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003518}
3519
Herbert Xu932ff272006-06-09 12:20:56 -07003520/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003521 * from set_multicast.
3522 */
3523static void
3524bnx2_set_rx_mode(struct net_device *dev)
3525{
Michael Chan972ec0d2006-01-23 16:12:43 -08003526 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003527 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003528 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003529 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003530
Michael Chan9f52b562008-10-09 12:21:46 -07003531 if (!netif_running(dev))
3532 return;
3533
Michael Chanc770a652005-08-25 15:38:39 -07003534 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003535
3536 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3537 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3538 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3539#ifdef BCM_VLAN
Michael Chan7c6337a2008-08-14 15:29:09 -07003540 if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003541 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003542#else
Michael Chan7c6337a2008-08-14 15:29:09 -07003543 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
Michael Chane29054f2006-01-23 16:06:06 -08003544 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003545#endif
3546 if (dev->flags & IFF_PROMISC) {
3547 /* Promiscuous mode. */
3548 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003549 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3550 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003551 }
3552 else if (dev->flags & IFF_ALLMULTI) {
3553 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3554 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3555 0xffffffff);
3556 }
3557 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3558 }
3559 else {
3560 /* Accept one or more multicast(s). */
Michael Chanb6016b72005-05-26 13:03:09 -07003561 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3562 u32 regidx;
3563 u32 bit;
3564 u32 crc;
3565
3566 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3567
Jiri Pirko22bedad32010-04-01 21:22:57 +00003568 netdev_for_each_mc_addr(ha, dev) {
3569 crc = ether_crc_le(ETH_ALEN, ha->addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003570 bit = crc & 0xff;
3571 regidx = (bit & 0xe0) >> 5;
3572 bit &= 0x1f;
3573 mc_filter[regidx] |= (1 << bit);
3574 }
3575
3576 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3577 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3578 mc_filter[i]);
3579 }
3580
3581 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3582 }
3583
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003584 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003585 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3586 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3587 BNX2_RPM_SORT_USER0_PROM_VLAN;
3588 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003589 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003590 i = 0;
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003591 netdev_for_each_uc_addr(ha, dev) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003592 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003593 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3594 sort_mode |= (1 <<
3595 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003596 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003597 }
3598
3599 }
3600
Michael Chanb6016b72005-05-26 13:03:09 -07003601 if (rx_mode != bp->rx_mode) {
3602 bp->rx_mode = rx_mode;
3603 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3604 }
3605
3606 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3607 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3608 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3609
Michael Chanc770a652005-08-25 15:38:39 -07003610 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003611}
3612
Michael Chan57579f72009-04-04 16:51:14 -07003613static int __devinit
3614check_fw_section(const struct firmware *fw,
3615 const struct bnx2_fw_file_section *section,
3616 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003617{
Michael Chan57579f72009-04-04 16:51:14 -07003618 u32 offset = be32_to_cpu(section->offset);
3619 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003620
Michael Chan57579f72009-04-04 16:51:14 -07003621 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3622 return -EINVAL;
3623 if ((non_empty && len == 0) || len > fw->size - offset ||
3624 len & (alignment - 1))
3625 return -EINVAL;
3626 return 0;
3627}
3628
3629static int __devinit
3630check_mips_fw_entry(const struct firmware *fw,
3631 const struct bnx2_mips_fw_file_entry *entry)
3632{
3633 if (check_fw_section(fw, &entry->text, 4, true) ||
3634 check_fw_section(fw, &entry->data, 4, false) ||
3635 check_fw_section(fw, &entry->rodata, 4, false))
3636 return -EINVAL;
3637 return 0;
3638}
3639
3640static int __devinit
3641bnx2_request_firmware(struct bnx2 *bp)
3642{
3643 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003644 const struct bnx2_mips_fw_file *mips_fw;
3645 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003646 int rc;
3647
3648 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3649 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan078b0732009-08-29 00:02:46 -07003650 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
3651 (CHIP_ID(bp) == CHIP_ID_5709_A1))
3652 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3653 else
3654 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003655 } else {
3656 mips_fw_file = FW_MIPS_FILE_06;
3657 rv2p_fw_file = FW_RV2P_FILE_06;
3658 }
3659
3660 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3661 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003662 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003663 return rc;
3664 }
3665
3666 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3667 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003668 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003669 return rc;
3670 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003671 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3672 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3673 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3674 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3675 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3676 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3677 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3678 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003679 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003680 return -EINVAL;
3681 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003682 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3683 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3684 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003685 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003686 return -EINVAL;
3687 }
3688
3689 return 0;
3690}
3691
3692static u32
3693rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3694{
3695 switch (idx) {
3696 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3697 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3698 rv2p_code |= RV2P_BD_PAGE_SIZE;
3699 break;
3700 }
3701 return rv2p_code;
3702}
3703
3704static int
3705load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3706 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3707{
3708 u32 rv2p_code_len, file_offset;
3709 __be32 *rv2p_code;
3710 int i;
3711 u32 val, cmd, addr;
3712
3713 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3714 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3715
3716 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3717
3718 if (rv2p_proc == RV2P_PROC1) {
3719 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3720 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3721 } else {
3722 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3723 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003724 }
Michael Chanb6016b72005-05-26 13:03:09 -07003725
3726 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chan57579f72009-04-04 16:51:14 -07003727 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003728 rv2p_code++;
Michael Chan57579f72009-04-04 16:51:14 -07003729 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003730 rv2p_code++;
3731
Michael Chan57579f72009-04-04 16:51:14 -07003732 val = (i / 8) | cmd;
3733 REG_WR(bp, addr, val);
3734 }
3735
3736 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3737 for (i = 0; i < 8; i++) {
3738 u32 loc, code;
3739
3740 loc = be32_to_cpu(fw_entry->fixup[i]);
3741 if (loc && ((loc * 4) < rv2p_code_len)) {
3742 code = be32_to_cpu(*(rv2p_code + loc - 1));
3743 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3744 code = be32_to_cpu(*(rv2p_code + loc));
3745 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3746 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3747
3748 val = (loc / 2) | cmd;
3749 REG_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003750 }
3751 }
3752
3753 /* Reset the processor, un-stall is done later. */
3754 if (rv2p_proc == RV2P_PROC1) {
3755 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3756 }
3757 else {
3758 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3759 }
Michael Chan57579f72009-04-04 16:51:14 -07003760
3761 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003762}
3763
Michael Chanaf3ee512006-11-19 14:09:25 -08003764static int
Michael Chan57579f72009-04-04 16:51:14 -07003765load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3766 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003767{
Michael Chan57579f72009-04-04 16:51:14 -07003768 u32 addr, len, file_offset;
3769 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003770 u32 offset;
3771 u32 val;
3772
3773 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003774 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003775 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003776 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3777 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003778
3779 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003780 addr = be32_to_cpu(fw_entry->text.addr);
3781 len = be32_to_cpu(fw_entry->text.len);
3782 file_offset = be32_to_cpu(fw_entry->text.offset);
3783 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3784
3785 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3786 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003787 int j;
3788
Michael Chan57579f72009-04-04 16:51:14 -07003789 for (j = 0; j < (len / 4); j++, offset += 4)
3790 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003791 }
3792
3793 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003794 addr = be32_to_cpu(fw_entry->data.addr);
3795 len = be32_to_cpu(fw_entry->data.len);
3796 file_offset = be32_to_cpu(fw_entry->data.offset);
3797 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3798
3799 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3800 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003801 int j;
3802
Michael Chan57579f72009-04-04 16:51:14 -07003803 for (j = 0; j < (len / 4); j++, offset += 4)
3804 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003805 }
3806
3807 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003808 addr = be32_to_cpu(fw_entry->rodata.addr);
3809 len = be32_to_cpu(fw_entry->rodata.len);
3810 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3811 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3812
3813 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3814 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003815 int j;
3816
Michael Chan57579f72009-04-04 16:51:14 -07003817 for (j = 0; j < (len / 4); j++, offset += 4)
3818 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003819 }
3820
3821 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003822 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003823
3824 val = be32_to_cpu(fw_entry->start_addr);
3825 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003826
3827 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003828 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003829 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003830 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3831 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003832
3833 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003834}
3835
Michael Chanfba9fe92006-06-12 22:21:25 -07003836static int
Michael Chanb6016b72005-05-26 13:03:09 -07003837bnx2_init_cpus(struct bnx2 *bp)
3838{
Michael Chan57579f72009-04-04 16:51:14 -07003839 const struct bnx2_mips_fw_file *mips_fw =
3840 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3841 const struct bnx2_rv2p_fw_file *rv2p_fw =
3842 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3843 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003844
3845 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003846 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3847 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003848
3849 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003850 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003851 if (rc)
3852 goto init_cpu_err;
3853
Michael Chanb6016b72005-05-26 13:03:09 -07003854 /* Initialize the TX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003855 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003856 if (rc)
3857 goto init_cpu_err;
3858
Michael Chanb6016b72005-05-26 13:03:09 -07003859 /* Initialize the TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003860 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
Michael Chanfba9fe92006-06-12 22:21:25 -07003861 if (rc)
3862 goto init_cpu_err;
3863
Michael Chanb6016b72005-05-26 13:03:09 -07003864 /* Initialize the Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003865 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003866 if (rc)
3867 goto init_cpu_err;
3868
Michael Chand43584c2006-11-19 14:14:35 -08003869 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003870 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003871
Michael Chanfba9fe92006-06-12 22:21:25 -07003872init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003873 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003874}
3875
3876static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003877bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003878{
3879 u16 pmcsr;
3880
3881 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3882
3883 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003884 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003885 u32 val;
3886
3887 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3888 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3889 PCI_PM_CTRL_PME_STATUS);
3890
3891 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3892 /* delay required during transition out of D3hot */
3893 msleep(20);
3894
3895 val = REG_RD(bp, BNX2_EMAC_MODE);
3896 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3897 val &= ~BNX2_EMAC_MODE_MPKT;
3898 REG_WR(bp, BNX2_EMAC_MODE, val);
3899
3900 val = REG_RD(bp, BNX2_RPM_CONFIG);
3901 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3902 REG_WR(bp, BNX2_RPM_CONFIG, val);
3903 break;
3904 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003905 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003906 int i;
3907 u32 val, wol_msg;
3908
3909 if (bp->wol) {
3910 u32 advertising;
3911 u8 autoneg;
3912
3913 autoneg = bp->autoneg;
3914 advertising = bp->advertising;
3915
Michael Chan239cd342007-10-17 19:26:15 -07003916 if (bp->phy_port == PORT_TP) {
3917 bp->autoneg = AUTONEG_SPEED;
3918 bp->advertising = ADVERTISED_10baseT_Half |
3919 ADVERTISED_10baseT_Full |
3920 ADVERTISED_100baseT_Half |
3921 ADVERTISED_100baseT_Full |
3922 ADVERTISED_Autoneg;
3923 }
Michael Chanb6016b72005-05-26 13:03:09 -07003924
Michael Chan239cd342007-10-17 19:26:15 -07003925 spin_lock_bh(&bp->phy_lock);
3926 bnx2_setup_phy(bp, bp->phy_port);
3927 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003928
3929 bp->autoneg = autoneg;
3930 bp->advertising = advertising;
3931
Benjamin Li5fcaed02008-07-14 22:39:52 -07003932 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003933
3934 val = REG_RD(bp, BNX2_EMAC_MODE);
3935
3936 /* Enable port mode. */
3937 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003938 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003939 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003940 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003941 if (bp->phy_port == PORT_TP)
3942 val |= BNX2_EMAC_MODE_PORT_MII;
3943 else {
3944 val |= BNX2_EMAC_MODE_PORT_GMII;
3945 if (bp->line_speed == SPEED_2500)
3946 val |= BNX2_EMAC_MODE_25G_MODE;
3947 }
Michael Chanb6016b72005-05-26 13:03:09 -07003948
3949 REG_WR(bp, BNX2_EMAC_MODE, val);
3950
3951 /* receive all multicast */
3952 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3953 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3954 0xffffffff);
3955 }
3956 REG_WR(bp, BNX2_EMAC_RX_MODE,
3957 BNX2_EMAC_RX_MODE_SORT_MODE);
3958
3959 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3960 BNX2_RPM_SORT_USER0_MC_EN;
3961 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3962 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3963 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3964 BNX2_RPM_SORT_USER0_ENA);
3965
3966 /* Need to enable EMAC and RPM for WOL. */
3967 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3968 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3969 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3970 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3971
3972 val = REG_RD(bp, BNX2_RPM_CONFIG);
3973 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3974 REG_WR(bp, BNX2_RPM_CONFIG, val);
3975
3976 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3977 }
3978 else {
3979 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3980 }
3981
David S. Millerf86e82f2008-01-21 17:15:40 -08003982 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chana2f13892008-07-14 22:38:23 -07003983 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3984 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003985
3986 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3987 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3988 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3989
3990 if (bp->wol)
3991 pmcsr |= 3;
3992 }
3993 else {
3994 pmcsr |= 3;
3995 }
3996 if (bp->wol) {
3997 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3998 }
3999 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
4000 pmcsr);
4001
4002 /* No more memory access after this point until
4003 * device is brought back to D0.
4004 */
4005 udelay(50);
4006 break;
4007 }
4008 default:
4009 return -EINVAL;
4010 }
4011 return 0;
4012}
4013
4014static int
4015bnx2_acquire_nvram_lock(struct bnx2 *bp)
4016{
4017 u32 val;
4018 int j;
4019
4020 /* Request access to the flash interface. */
4021 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
4022 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4023 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4024 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4025 break;
4026
4027 udelay(5);
4028 }
4029
4030 if (j >= NVRAM_TIMEOUT_COUNT)
4031 return -EBUSY;
4032
4033 return 0;
4034}
4035
4036static int
4037bnx2_release_nvram_lock(struct bnx2 *bp)
4038{
4039 int j;
4040 u32 val;
4041
4042 /* Relinquish nvram interface. */
4043 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4044
4045 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4046 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4047 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4048 break;
4049
4050 udelay(5);
4051 }
4052
4053 if (j >= NVRAM_TIMEOUT_COUNT)
4054 return -EBUSY;
4055
4056 return 0;
4057}
4058
4059
4060static int
4061bnx2_enable_nvram_write(struct bnx2 *bp)
4062{
4063 u32 val;
4064
4065 val = REG_RD(bp, BNX2_MISC_CFG);
4066 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4067
Michael Chane30372c2007-07-16 18:26:23 -07004068 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004069 int j;
4070
4071 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4072 REG_WR(bp, BNX2_NVM_COMMAND,
4073 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4074
4075 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4076 udelay(5);
4077
4078 val = REG_RD(bp, BNX2_NVM_COMMAND);
4079 if (val & BNX2_NVM_COMMAND_DONE)
4080 break;
4081 }
4082
4083 if (j >= NVRAM_TIMEOUT_COUNT)
4084 return -EBUSY;
4085 }
4086 return 0;
4087}
4088
4089static void
4090bnx2_disable_nvram_write(struct bnx2 *bp)
4091{
4092 u32 val;
4093
4094 val = REG_RD(bp, BNX2_MISC_CFG);
4095 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
4096}
4097
4098
4099static void
4100bnx2_enable_nvram_access(struct bnx2 *bp)
4101{
4102 u32 val;
4103
4104 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4105 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004106 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004107 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4108}
4109
4110static void
4111bnx2_disable_nvram_access(struct bnx2 *bp)
4112{
4113 u32 val;
4114
4115 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4116 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004117 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004118 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4119 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4120}
4121
4122static int
4123bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4124{
4125 u32 cmd;
4126 int j;
4127
Michael Chane30372c2007-07-16 18:26:23 -07004128 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004129 /* Buffered flash, no erase needed */
4130 return 0;
4131
4132 /* Build an erase command */
4133 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4134 BNX2_NVM_COMMAND_DOIT;
4135
4136 /* Need to clear DONE bit separately. */
4137 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4138
4139 /* Address of the NVRAM to read from. */
4140 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4141
4142 /* Issue an erase command. */
4143 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4144
4145 /* Wait for completion. */
4146 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4147 u32 val;
4148
4149 udelay(5);
4150
4151 val = REG_RD(bp, BNX2_NVM_COMMAND);
4152 if (val & BNX2_NVM_COMMAND_DONE)
4153 break;
4154 }
4155
4156 if (j >= NVRAM_TIMEOUT_COUNT)
4157 return -EBUSY;
4158
4159 return 0;
4160}
4161
4162static int
4163bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4164{
4165 u32 cmd;
4166 int j;
4167
4168 /* Build the command word. */
4169 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4170
Michael Chane30372c2007-07-16 18:26:23 -07004171 /* Calculate an offset of a buffered flash, not needed for 5709. */
4172 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004173 offset = ((offset / bp->flash_info->page_size) <<
4174 bp->flash_info->page_bits) +
4175 (offset % bp->flash_info->page_size);
4176 }
4177
4178 /* Need to clear DONE bit separately. */
4179 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4180
4181 /* Address of the NVRAM to read from. */
4182 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4183
4184 /* Issue a read command. */
4185 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4186
4187 /* Wait for completion. */
4188 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4189 u32 val;
4190
4191 udelay(5);
4192
4193 val = REG_RD(bp, BNX2_NVM_COMMAND);
4194 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00004195 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4196 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004197 break;
4198 }
4199 }
4200 if (j >= NVRAM_TIMEOUT_COUNT)
4201 return -EBUSY;
4202
4203 return 0;
4204}
4205
4206
4207static int
4208bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4209{
Al Virob491edd2007-12-22 19:44:51 +00004210 u32 cmd;
4211 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004212 int j;
4213
4214 /* Build the command word. */
4215 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4216
Michael Chane30372c2007-07-16 18:26:23 -07004217 /* Calculate an offset of a buffered flash, not needed for 5709. */
4218 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004219 offset = ((offset / bp->flash_info->page_size) <<
4220 bp->flash_info->page_bits) +
4221 (offset % bp->flash_info->page_size);
4222 }
4223
4224 /* Need to clear DONE bit separately. */
4225 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4226
4227 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004228
4229 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00004230 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004231
4232 /* Address of the NVRAM to write to. */
4233 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4234
4235 /* Issue the write command. */
4236 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4237
4238 /* Wait for completion. */
4239 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4240 udelay(5);
4241
4242 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4243 break;
4244 }
4245 if (j >= NVRAM_TIMEOUT_COUNT)
4246 return -EBUSY;
4247
4248 return 0;
4249}
4250
4251static int
4252bnx2_init_nvram(struct bnx2 *bp)
4253{
4254 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004255 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004256 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004257
Michael Chane30372c2007-07-16 18:26:23 -07004258 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4259 bp->flash_info = &flash_5709;
4260 goto get_flash_size;
4261 }
4262
Michael Chanb6016b72005-05-26 13:03:09 -07004263 /* Determine the selected interface. */
4264 val = REG_RD(bp, BNX2_NVM_CFG1);
4265
Denis Chengff8ac602007-09-02 18:30:18 +08004266 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004267
Michael Chanb6016b72005-05-26 13:03:09 -07004268 if (val & 0x40000000) {
4269
4270 /* Flash interface has been reconfigured */
4271 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004272 j++, flash++) {
4273 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4274 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004275 bp->flash_info = flash;
4276 break;
4277 }
4278 }
4279 }
4280 else {
Michael Chan37137702005-11-04 08:49:17 -08004281 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004282 /* Not yet been reconfigured */
4283
Michael Chan37137702005-11-04 08:49:17 -08004284 if (val & (1 << 23))
4285 mask = FLASH_BACKUP_STRAP_MASK;
4286 else
4287 mask = FLASH_STRAP_MASK;
4288
Michael Chanb6016b72005-05-26 13:03:09 -07004289 for (j = 0, flash = &flash_table[0]; j < entry_count;
4290 j++, flash++) {
4291
Michael Chan37137702005-11-04 08:49:17 -08004292 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004293 bp->flash_info = flash;
4294
4295 /* Request access to the flash interface. */
4296 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4297 return rc;
4298
4299 /* Enable access to flash interface */
4300 bnx2_enable_nvram_access(bp);
4301
4302 /* Reconfigure the flash interface */
4303 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4304 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4305 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4306 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4307
4308 /* Disable access to flash interface */
4309 bnx2_disable_nvram_access(bp);
4310 bnx2_release_nvram_lock(bp);
4311
4312 break;
4313 }
4314 }
4315 } /* if (val & 0x40000000) */
4316
4317 if (j == entry_count) {
4318 bp->flash_info = NULL;
Joe Perches3a9c6a42010-02-17 15:01:51 +00004319 pr_alert("Unknown flash/EEPROM type\n");
Michael Chan1122db72006-01-23 16:11:42 -08004320 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004321 }
4322
Michael Chane30372c2007-07-16 18:26:23 -07004323get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004324 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004325 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4326 if (val)
4327 bp->flash_size = val;
4328 else
4329 bp->flash_size = bp->flash_info->total_size;
4330
Michael Chanb6016b72005-05-26 13:03:09 -07004331 return rc;
4332}
4333
4334static int
4335bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4336 int buf_size)
4337{
4338 int rc = 0;
4339 u32 cmd_flags, offset32, len32, extra;
4340
4341 if (buf_size == 0)
4342 return 0;
4343
4344 /* Request access to the flash interface. */
4345 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4346 return rc;
4347
4348 /* Enable access to flash interface */
4349 bnx2_enable_nvram_access(bp);
4350
4351 len32 = buf_size;
4352 offset32 = offset;
4353 extra = 0;
4354
4355 cmd_flags = 0;
4356
4357 if (offset32 & 3) {
4358 u8 buf[4];
4359 u32 pre_len;
4360
4361 offset32 &= ~3;
4362 pre_len = 4 - (offset & 3);
4363
4364 if (pre_len >= len32) {
4365 pre_len = len32;
4366 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4367 BNX2_NVM_COMMAND_LAST;
4368 }
4369 else {
4370 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4371 }
4372
4373 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4374
4375 if (rc)
4376 return rc;
4377
4378 memcpy(ret_buf, buf + (offset & 3), pre_len);
4379
4380 offset32 += 4;
4381 ret_buf += pre_len;
4382 len32 -= pre_len;
4383 }
4384 if (len32 & 3) {
4385 extra = 4 - (len32 & 3);
4386 len32 = (len32 + 4) & ~3;
4387 }
4388
4389 if (len32 == 4) {
4390 u8 buf[4];
4391
4392 if (cmd_flags)
4393 cmd_flags = BNX2_NVM_COMMAND_LAST;
4394 else
4395 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4396 BNX2_NVM_COMMAND_LAST;
4397
4398 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4399
4400 memcpy(ret_buf, buf, 4 - extra);
4401 }
4402 else if (len32 > 0) {
4403 u8 buf[4];
4404
4405 /* Read the first word. */
4406 if (cmd_flags)
4407 cmd_flags = 0;
4408 else
4409 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4410
4411 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4412
4413 /* Advance to the next dword. */
4414 offset32 += 4;
4415 ret_buf += 4;
4416 len32 -= 4;
4417
4418 while (len32 > 4 && rc == 0) {
4419 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4420
4421 /* Advance to the next dword. */
4422 offset32 += 4;
4423 ret_buf += 4;
4424 len32 -= 4;
4425 }
4426
4427 if (rc)
4428 return rc;
4429
4430 cmd_flags = BNX2_NVM_COMMAND_LAST;
4431 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4432
4433 memcpy(ret_buf, buf, 4 - extra);
4434 }
4435
4436 /* Disable access to flash interface */
4437 bnx2_disable_nvram_access(bp);
4438
4439 bnx2_release_nvram_lock(bp);
4440
4441 return rc;
4442}
4443
4444static int
4445bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4446 int buf_size)
4447{
4448 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004449 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004450 int rc = 0;
4451 int align_start, align_end;
4452
4453 buf = data_buf;
4454 offset32 = offset;
4455 len32 = buf_size;
4456 align_start = align_end = 0;
4457
4458 if ((align_start = (offset32 & 3))) {
4459 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004460 len32 += align_start;
4461 if (len32 < 4)
4462 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004463 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4464 return rc;
4465 }
4466
4467 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004468 align_end = 4 - (len32 & 3);
4469 len32 += align_end;
4470 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4471 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004472 }
4473
4474 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004475 align_buf = kmalloc(len32, GFP_KERNEL);
4476 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004477 return -ENOMEM;
4478 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004479 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004480 }
4481 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004482 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004483 }
Michael Chane6be7632007-01-08 19:56:13 -08004484 memcpy(align_buf + align_start, data_buf, buf_size);
4485 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004486 }
4487
Michael Chane30372c2007-07-16 18:26:23 -07004488 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004489 flash_buffer = kmalloc(264, GFP_KERNEL);
4490 if (flash_buffer == NULL) {
4491 rc = -ENOMEM;
4492 goto nvram_write_end;
4493 }
4494 }
4495
Michael Chanb6016b72005-05-26 13:03:09 -07004496 written = 0;
4497 while ((written < len32) && (rc == 0)) {
4498 u32 page_start, page_end, data_start, data_end;
4499 u32 addr, cmd_flags;
4500 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004501
4502 /* Find the page_start addr */
4503 page_start = offset32 + written;
4504 page_start -= (page_start % bp->flash_info->page_size);
4505 /* Find the page_end addr */
4506 page_end = page_start + bp->flash_info->page_size;
4507 /* Find the data_start addr */
4508 data_start = (written == 0) ? offset32 : page_start;
4509 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004510 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004511 (offset32 + len32) : page_end;
4512
4513 /* Request access to the flash interface. */
4514 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4515 goto nvram_write_end;
4516
4517 /* Enable access to flash interface */
4518 bnx2_enable_nvram_access(bp);
4519
4520 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004521 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004522 int j;
4523
4524 /* Read the whole page into the buffer
4525 * (non-buffer flash only) */
4526 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4527 if (j == (bp->flash_info->page_size - 4)) {
4528 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4529 }
4530 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004531 page_start + j,
4532 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004533 cmd_flags);
4534
4535 if (rc)
4536 goto nvram_write_end;
4537
4538 cmd_flags = 0;
4539 }
4540 }
4541
4542 /* Enable writes to flash interface (unlock write-protect) */
4543 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4544 goto nvram_write_end;
4545
Michael Chanb6016b72005-05-26 13:03:09 -07004546 /* Loop to write back the buffer data from page_start to
4547 * data_start */
4548 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004549 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004550 /* Erase the page */
4551 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4552 goto nvram_write_end;
4553
4554 /* Re-enable the write again for the actual write */
4555 bnx2_enable_nvram_write(bp);
4556
Michael Chanb6016b72005-05-26 13:03:09 -07004557 for (addr = page_start; addr < data_start;
4558 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004559
Michael Chanb6016b72005-05-26 13:03:09 -07004560 rc = bnx2_nvram_write_dword(bp, addr,
4561 &flash_buffer[i], cmd_flags);
4562
4563 if (rc != 0)
4564 goto nvram_write_end;
4565
4566 cmd_flags = 0;
4567 }
4568 }
4569
4570 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004571 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004572 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004573 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004574 (addr == data_end - 4))) {
4575
4576 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4577 }
4578 rc = bnx2_nvram_write_dword(bp, addr, buf,
4579 cmd_flags);
4580
4581 if (rc != 0)
4582 goto nvram_write_end;
4583
4584 cmd_flags = 0;
4585 buf += 4;
4586 }
4587
4588 /* Loop to write back the buffer data from data_end
4589 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004590 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004591 for (addr = data_end; addr < page_end;
4592 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004593
Michael Chanb6016b72005-05-26 13:03:09 -07004594 if (addr == page_end-4) {
4595 cmd_flags = BNX2_NVM_COMMAND_LAST;
4596 }
4597 rc = bnx2_nvram_write_dword(bp, addr,
4598 &flash_buffer[i], cmd_flags);
4599
4600 if (rc != 0)
4601 goto nvram_write_end;
4602
4603 cmd_flags = 0;
4604 }
4605 }
4606
4607 /* Disable writes to flash interface (lock write-protect) */
4608 bnx2_disable_nvram_write(bp);
4609
4610 /* Disable access to flash interface */
4611 bnx2_disable_nvram_access(bp);
4612 bnx2_release_nvram_lock(bp);
4613
4614 /* Increment written */
4615 written += data_end - data_start;
4616 }
4617
4618nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004619 kfree(flash_buffer);
4620 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004621 return rc;
4622}
4623
Michael Chan0d8a6572007-07-07 22:49:43 -07004624static void
Michael Chan7c62e832008-07-14 22:39:03 -07004625bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004626{
Michael Chan7c62e832008-07-14 22:39:03 -07004627 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004628
Michael Chan583c28e2008-01-21 19:51:35 -08004629 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004630 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4631
4632 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4633 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004634
Michael Chan2726d6e2008-01-29 21:35:05 -08004635 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004636 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4637 return;
4638
Michael Chan7c62e832008-07-14 22:39:03 -07004639 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4640 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4641 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4642 }
4643
4644 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4645 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4646 u32 link;
4647
Michael Chan583c28e2008-01-21 19:51:35 -08004648 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004649
Michael Chan7c62e832008-07-14 22:39:03 -07004650 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4651 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004652 bp->phy_port = PORT_FIBRE;
4653 else
4654 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004655
Michael Chan7c62e832008-07-14 22:39:03 -07004656 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4657 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004658 }
Michael Chan7c62e832008-07-14 22:39:03 -07004659
4660 if (netif_running(bp->dev) && sig)
4661 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004662}
4663
Michael Chanb4b36042007-12-20 19:59:30 -08004664static void
4665bnx2_setup_msix_tbl(struct bnx2 *bp)
4666{
4667 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4668
4669 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4670 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4671}
4672
Michael Chanb6016b72005-05-26 13:03:09 -07004673static int
4674bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4675{
4676 u32 val;
4677 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004678 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004679
4680 /* Wait for the current PCI transaction to complete before
4681 * issuing a reset. */
4682 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4683 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4684 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4685 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4686 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4687 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4688 udelay(5);
4689
Michael Chanb090ae22006-01-23 16:07:10 -08004690 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004691 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004692
Michael Chanb6016b72005-05-26 13:03:09 -07004693 /* Deposit a driver reset signature so the firmware knows that
4694 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004695 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4696 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004697
Michael Chanb6016b72005-05-26 13:03:09 -07004698 /* Do a dummy read to force the chip to complete all current transaction
4699 * before we issue a reset. */
4700 val = REG_RD(bp, BNX2_MISC_ID);
4701
Michael Chan234754d2006-11-19 14:11:41 -08004702 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4703 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4704 REG_RD(bp, BNX2_MISC_COMMAND);
4705 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004706
Michael Chan234754d2006-11-19 14:11:41 -08004707 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4708 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004709
Michael Chan234754d2006-11-19 14:11:41 -08004710 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004711
Michael Chan234754d2006-11-19 14:11:41 -08004712 } else {
4713 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4714 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4715 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4716
4717 /* Chip reset. */
4718 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4719
Michael Chan594a9df2007-08-28 15:39:42 -07004720 /* Reading back any register after chip reset will hang the
4721 * bus on 5706 A0 and A1. The msleep below provides plenty
4722 * of margin for write posting.
4723 */
Michael Chan234754d2006-11-19 14:11:41 -08004724 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004725 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4726 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004727
Michael Chan234754d2006-11-19 14:11:41 -08004728 /* Reset takes approximate 30 usec */
4729 for (i = 0; i < 10; i++) {
4730 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4731 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4732 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4733 break;
4734 udelay(10);
4735 }
4736
4737 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4738 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004739 pr_err("Chip reset did not complete\n");
Michael Chan234754d2006-11-19 14:11:41 -08004740 return -EBUSY;
4741 }
Michael Chanb6016b72005-05-26 13:03:09 -07004742 }
4743
4744 /* Make sure byte swapping is properly configured. */
4745 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4746 if (val != 0x01020304) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004747 pr_err("Chip not in correct endian mode\n");
Michael Chanb6016b72005-05-26 13:03:09 -07004748 return -ENODEV;
4749 }
4750
Michael Chanb6016b72005-05-26 13:03:09 -07004751 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004752 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004753 if (rc)
4754 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004755
Michael Chan0d8a6572007-07-07 22:49:43 -07004756 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004757 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004758 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004759 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4760 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004761 bnx2_set_default_remote_link(bp);
4762 spin_unlock_bh(&bp->phy_lock);
4763
Michael Chanb6016b72005-05-26 13:03:09 -07004764 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4765 /* Adjust the voltage regular to two steps lower. The default
4766 * of this register is 0x0000000e. */
4767 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4768
4769 /* Remove bad rbuf memory from the free pool. */
4770 rc = bnx2_alloc_bad_rbuf(bp);
4771 }
4772
Michael Chanc441b8d2010-04-27 11:28:09 +00004773 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanb4b36042007-12-20 19:59:30 -08004774 bnx2_setup_msix_tbl(bp);
Michael Chanc441b8d2010-04-27 11:28:09 +00004775 /* Prevent MSIX table reads and write from timing out */
4776 REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
4777 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4778 }
Michael Chanb4b36042007-12-20 19:59:30 -08004779
Michael Chanb6016b72005-05-26 13:03:09 -07004780 return rc;
4781}
4782
4783static int
4784bnx2_init_chip(struct bnx2 *bp)
4785{
Michael Chand8026d92008-11-12 16:02:20 -08004786 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004787 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004788
4789 /* Make sure the interrupt is not active. */
4790 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4791
4792 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4793 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4794#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004795 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004796#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004797 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004798 DMA_READ_CHANS << 12 |
4799 DMA_WRITE_CHANS << 16;
4800
4801 val |= (0x2 << 20) | (1 << 11);
4802
David S. Millerf86e82f2008-01-21 17:15:40 -08004803 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004804 val |= (1 << 23);
4805
4806 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004807 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004808 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4809
4810 REG_WR(bp, BNX2_DMA_CONFIG, val);
4811
4812 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4813 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4814 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4815 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4816 }
4817
David S. Millerf86e82f2008-01-21 17:15:40 -08004818 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004819 u16 val16;
4820
4821 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4822 &val16);
4823 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4824 val16 & ~PCI_X_CMD_ERO);
4825 }
4826
4827 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4828 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4829 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4830 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4831
4832 /* Initialize context mapping and zero out the quick contexts. The
4833 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004834 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4835 rc = bnx2_init_5709_context(bp);
4836 if (rc)
4837 return rc;
4838 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004839 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004840
Michael Chanfba9fe92006-06-12 22:21:25 -07004841 if ((rc = bnx2_init_cpus(bp)) != 0)
4842 return rc;
4843
Michael Chanb6016b72005-05-26 13:03:09 -07004844 bnx2_init_nvram(bp);
4845
Benjamin Li5fcaed02008-07-14 22:39:52 -07004846 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004847
4848 val = REG_RD(bp, BNX2_MQ_CONFIG);
4849 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4850 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4edd4732009-06-08 18:14:42 -07004851 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4852 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4853 if (CHIP_REV(bp) == CHIP_REV_Ax)
4854 val |= BNX2_MQ_CONFIG_HALT_DIS;
4855 }
Michael Chan68c9f752007-04-24 15:35:53 -07004856
Michael Chanb6016b72005-05-26 13:03:09 -07004857 REG_WR(bp, BNX2_MQ_CONFIG, val);
4858
4859 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4860 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4861 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4862
4863 val = (BCM_PAGE_BITS - 8) << 24;
4864 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4865
4866 /* Configure page size. */
4867 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4868 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4869 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4870 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4871
4872 val = bp->mac_addr[0] +
4873 (bp->mac_addr[1] << 8) +
4874 (bp->mac_addr[2] << 16) +
4875 bp->mac_addr[3] +
4876 (bp->mac_addr[4] << 8) +
4877 (bp->mac_addr[5] << 16);
4878 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4879
4880 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004881 mtu = bp->dev->mtu;
4882 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004883 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4884 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4885 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4886
Michael Chand8026d92008-11-12 16:02:20 -08004887 if (mtu < 1500)
4888 mtu = 1500;
4889
4890 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4891 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4892 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4893
Michael Chan155d5562009-08-21 16:20:43 +00004894 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004895 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4896 bp->bnx2_napi[i].last_status_idx = 0;
4897
Michael Chanefba0182008-12-03 00:36:15 -08004898 bp->idle_chk_status_idx = 0xffff;
4899
Michael Chanb6016b72005-05-26 13:03:09 -07004900 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4901
4902 /* Set up how to generate a link change interrupt. */
4903 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4904
4905 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4906 (u64) bp->status_blk_mapping & 0xffffffff);
4907 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4908
4909 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4910 (u64) bp->stats_blk_mapping & 0xffffffff);
4911 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4912 (u64) bp->stats_blk_mapping >> 32);
4913
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004914 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004915 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4916
4917 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4918 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4919
4920 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4921 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4922
4923 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4924
4925 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4926
4927 REG_WR(bp, BNX2_HC_COM_TICKS,
4928 (bp->com_ticks_int << 16) | bp->com_ticks);
4929
4930 REG_WR(bp, BNX2_HC_CMD_TICKS,
4931 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4932
Michael Chan61d9e3f2009-08-21 16:20:46 +00004933 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chan02537b062007-06-04 21:24:07 -07004934 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4935 else
Michael Chan7ea69202007-07-16 18:27:10 -07004936 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004937 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4938
4939 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004940 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004941 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004942 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4943 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004944 }
4945
Michael Chanefde73a2010-02-15 19:42:07 +00004946 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004947 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4948 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4949
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004950 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4951 }
4952
4953 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00004954 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004955
4956 REG_WR(bp, BNX2_HC_CONFIG, val);
4957
4958 for (i = 1; i < bp->irq_nvecs; i++) {
4959 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4960 BNX2_HC_SB_CONFIG_1;
4961
Michael Chan6f743ca2008-01-29 21:34:08 -08004962 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004963 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004964 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004965 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4966
Michael Chan6f743ca2008-01-29 21:34:08 -08004967 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004968 (bp->tx_quick_cons_trip_int << 16) |
4969 bp->tx_quick_cons_trip);
4970
Michael Chan6f743ca2008-01-29 21:34:08 -08004971 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004972 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4973
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004974 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4975 (bp->rx_quick_cons_trip_int << 16) |
4976 bp->rx_quick_cons_trip);
4977
4978 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4979 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004980 }
4981
Michael Chanb6016b72005-05-26 13:03:09 -07004982 /* Clear internal stats counters. */
4983 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4984
Michael Chanda3e4fb2007-05-03 13:24:23 -07004985 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004986
4987 /* Initialize the receive filter. */
4988 bnx2_set_rx_mode(bp->dev);
4989
Michael Chan0aa38df2007-06-04 21:23:06 -07004990 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4991 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4992 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4993 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4994 }
Michael Chanb090ae22006-01-23 16:07:10 -08004995 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07004996 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004997
Michael Chandf149d72007-07-07 22:51:36 -07004998 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004999 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
5000
5001 udelay(20);
5002
Michael Chanbf5295b2006-03-23 01:11:56 -08005003 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
5004
Michael Chanb090ae22006-01-23 16:07:10 -08005005 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07005006}
5007
Michael Chan59b47d82006-11-19 14:10:45 -08005008static void
Michael Chanc76c0472007-12-20 20:01:19 -08005009bnx2_clear_ring_states(struct bnx2 *bp)
5010{
5011 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005012 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005013 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08005014 int i;
5015
5016 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5017 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07005018 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005019 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005020
Michael Chan35e90102008-06-19 16:37:42 -07005021 txr->tx_cons = 0;
5022 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005023 rxr->rx_prod_bseq = 0;
5024 rxr->rx_prod = 0;
5025 rxr->rx_cons = 0;
5026 rxr->rx_pg_prod = 0;
5027 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005028 }
5029}
5030
5031static void
Michael Chan35e90102008-06-19 16:37:42 -07005032bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005033{
5034 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005035 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005036
5037 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5038 offset0 = BNX2_L2CTX_TYPE_XI;
5039 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5040 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5041 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5042 } else {
5043 offset0 = BNX2_L2CTX_TYPE;
5044 offset1 = BNX2_L2CTX_CMD_TYPE;
5045 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5046 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5047 }
5048 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005049 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005050
5051 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005052 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005053
Michael Chan35e90102008-06-19 16:37:42 -07005054 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005055 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005056
Michael Chan35e90102008-06-19 16:37:42 -07005057 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005058 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005059}
Michael Chanb6016b72005-05-26 13:03:09 -07005060
5061static void
Michael Chan35e90102008-06-19 16:37:42 -07005062bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005063{
5064 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005065 u32 cid = TX_CID;
5066 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005067 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005068
Michael Chan35e90102008-06-19 16:37:42 -07005069 bnapi = &bp->bnx2_napi[ring_num];
5070 txr = &bnapi->tx_ring;
5071
5072 if (ring_num == 0)
5073 cid = TX_CID;
5074 else
5075 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005076
Michael Chan2f8af122006-08-15 01:39:10 -07005077 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5078
Michael Chan35e90102008-06-19 16:37:42 -07005079 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005080
Michael Chan35e90102008-06-19 16:37:42 -07005081 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5082 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005083
Michael Chan35e90102008-06-19 16:37:42 -07005084 txr->tx_prod = 0;
5085 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005086
Michael Chan35e90102008-06-19 16:37:42 -07005087 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5088 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005089
Michael Chan35e90102008-06-19 16:37:42 -07005090 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005091}
5092
5093static void
Michael Chan5d5d0012007-12-12 11:17:43 -08005094bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5095 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005096{
Michael Chanb6016b72005-05-26 13:03:09 -07005097 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08005098 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005099
Michael Chan5d5d0012007-12-12 11:17:43 -08005100 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005101 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005102
Michael Chan5d5d0012007-12-12 11:17:43 -08005103 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08005104 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005105 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005106 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5107 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005108 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005109 j = 0;
5110 else
5111 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005112 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5113 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005114 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005115}
5116
5117static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005118bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005119{
5120 int i;
5121 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005122 u32 cid, rx_cid_addr, val;
5123 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5124 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005125
Michael Chanbb4f98a2008-06-19 16:38:19 -07005126 if (ring_num == 0)
5127 cid = RX_CID;
5128 else
5129 cid = RX_RSS_CID + ring_num - 1;
5130
5131 rx_cid_addr = GET_CID_ADDR(cid);
5132
5133 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005134 bp->rx_buf_use_size, bp->rx_max_ring);
5135
Michael Chanbb4f98a2008-06-19 16:38:19 -07005136 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005137
5138 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5139 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5140 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5141 }
5142
Michael Chan62a83132008-01-29 21:35:40 -08005143 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005144 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005145 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5146 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005147 PAGE_SIZE, bp->rx_max_pg_ring);
5148 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005149 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5150 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005151 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005152
Michael Chanbb4f98a2008-06-19 16:38:19 -07005153 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005154 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005155
Michael Chanbb4f98a2008-06-19 16:38:19 -07005156 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005157 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005158
5159 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5160 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5161 }
Michael Chanb6016b72005-05-26 13:03:09 -07005162
Michael Chanbb4f98a2008-06-19 16:38:19 -07005163 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005164 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005165
Michael Chanbb4f98a2008-06-19 16:38:19 -07005166 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005167 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005168
Michael Chanbb4f98a2008-06-19 16:38:19 -07005169 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005170 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005171 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005172 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5173 ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005174 break;
Michael Chanb929e532009-12-03 09:46:33 +00005175 }
Michael Chan47bf4242007-12-12 11:19:12 -08005176 prod = NEXT_RX_BD(prod);
5177 ring_prod = RX_PG_RING_IDX(prod);
5178 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005179 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005180
Michael Chanbb4f98a2008-06-19 16:38:19 -07005181 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005182 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005183 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005184 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5185 ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005186 break;
Michael Chanb929e532009-12-03 09:46:33 +00005187 }
Michael Chanb6016b72005-05-26 13:03:09 -07005188 prod = NEXT_RX_BD(prod);
5189 ring_prod = RX_RING_IDX(prod);
5190 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005191 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005192
Michael Chanbb4f98a2008-06-19 16:38:19 -07005193 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5194 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5195 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005196
Michael Chanbb4f98a2008-06-19 16:38:19 -07005197 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5198 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5199
5200 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005201}
5202
Michael Chan35e90102008-06-19 16:37:42 -07005203static void
5204bnx2_init_all_rings(struct bnx2 *bp)
5205{
5206 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005207 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005208
5209 bnx2_clear_ring_states(bp);
5210
5211 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5212 for (i = 0; i < bp->num_tx_rings; i++)
5213 bnx2_init_tx_ring(bp, i);
5214
5215 if (bp->num_tx_rings > 1)
5216 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5217 (TX_TSS_CID << 7));
5218
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005219 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5220 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5221
Michael Chanbb4f98a2008-06-19 16:38:19 -07005222 for (i = 0; i < bp->num_rx_rings; i++)
5223 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005224
5225 if (bp->num_rx_rings > 1) {
5226 u32 tbl_32;
5227 u8 *tbl = (u8 *) &tbl_32;
5228
5229 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
5230 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
5231
5232 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
5233 tbl[i % 4] = i % (bp->num_rx_rings - 1);
5234 if ((i % 4) == 3)
5235 bnx2_reg_wr_ind(bp,
5236 BNX2_RXP_SCRATCH_RSS_TBL + i,
5237 cpu_to_be32(tbl_32));
5238 }
5239
5240 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5241 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5242
5243 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5244
5245 }
Michael Chan35e90102008-06-19 16:37:42 -07005246}
5247
Michael Chan5d5d0012007-12-12 11:17:43 -08005248static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005249{
Michael Chan5d5d0012007-12-12 11:17:43 -08005250 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005251
Michael Chan5d5d0012007-12-12 11:17:43 -08005252 while (ring_size > MAX_RX_DESC_CNT) {
5253 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005254 num_rings++;
5255 }
5256 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005257 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005258 while ((max & num_rings) == 0)
5259 max >>= 1;
5260
5261 if (num_rings != max)
5262 max <<= 1;
5263
Michael Chan5d5d0012007-12-12 11:17:43 -08005264 return max;
5265}
5266
5267static void
5268bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5269{
Michael Chan84eaa182007-12-12 11:19:57 -08005270 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005271
5272 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005273 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005274
Michael Chan84eaa182007-12-12 11:19:57 -08005275 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5276 sizeof(struct skb_shared_info);
5277
Benjamin Li601d3d12008-05-16 22:19:35 -07005278 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005279 bp->rx_pg_ring_size = 0;
5280 bp->rx_max_pg_ring = 0;
5281 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005282 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005283 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5284
5285 jumbo_size = size * pages;
5286 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5287 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5288
5289 bp->rx_pg_ring_size = jumbo_size;
5290 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5291 MAX_RX_PG_RINGS);
5292 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005293 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005294 bp->rx_copy_thresh = 0;
5295 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005296
5297 bp->rx_buf_use_size = rx_size;
5298 /* hw alignment */
5299 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005300 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005301 bp->rx_ring_size = size;
5302 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08005303 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5304}
5305
5306static void
Michael Chanb6016b72005-05-26 13:03:09 -07005307bnx2_free_tx_skbs(struct bnx2 *bp)
5308{
5309 int i;
5310
Michael Chan35e90102008-06-19 16:37:42 -07005311 for (i = 0; i < bp->num_tx_rings; i++) {
5312 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5313 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5314 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005315
Michael Chan35e90102008-06-19 16:37:42 -07005316 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005317 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005318
Michael Chan35e90102008-06-19 16:37:42 -07005319 for (j = 0; j < TX_DESC_CNT; ) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005320 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005321 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005322 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005323
5324 if (skb == NULL) {
5325 j++;
5326 continue;
5327 }
5328
Alexander Duycke95524a2009-12-02 16:47:57 +00005329 pci_unmap_single(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005330 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005331 skb_headlen(skb),
5332 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005333
Michael Chan35e90102008-06-19 16:37:42 -07005334 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005335
Alexander Duycke95524a2009-12-02 16:47:57 +00005336 last = tx_buf->nr_frags;
5337 j++;
5338 for (k = 0; k < last; k++, j++) {
5339 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
5340 pci_unmap_page(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005341 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005342 skb_shinfo(skb)->frags[k].size,
5343 PCI_DMA_TODEVICE);
5344 }
Michael Chan35e90102008-06-19 16:37:42 -07005345 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005346 }
Michael Chanb6016b72005-05-26 13:03:09 -07005347 }
Michael Chanb6016b72005-05-26 13:03:09 -07005348}
5349
5350static void
5351bnx2_free_rx_skbs(struct bnx2 *bp)
5352{
5353 int i;
5354
Michael Chanbb4f98a2008-06-19 16:38:19 -07005355 for (i = 0; i < bp->num_rx_rings; i++) {
5356 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5357 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5358 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005359
Michael Chanbb4f98a2008-06-19 16:38:19 -07005360 if (rxr->rx_buf_ring == NULL)
5361 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005362
Michael Chanbb4f98a2008-06-19 16:38:19 -07005363 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5364 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5365 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07005366
Michael Chanbb4f98a2008-06-19 16:38:19 -07005367 if (skb == NULL)
5368 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005369
Michael Chanbb4f98a2008-06-19 16:38:19 -07005370 pci_unmap_single(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005371 dma_unmap_addr(rx_buf, mapping),
Michael Chanbb4f98a2008-06-19 16:38:19 -07005372 bp->rx_buf_use_size,
5373 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005374
Michael Chanbb4f98a2008-06-19 16:38:19 -07005375 rx_buf->skb = NULL;
5376
5377 dev_kfree_skb(skb);
5378 }
5379 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5380 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005381 }
5382}
5383
5384static void
5385bnx2_free_skbs(struct bnx2 *bp)
5386{
5387 bnx2_free_tx_skbs(bp);
5388 bnx2_free_rx_skbs(bp);
5389}
5390
5391static int
5392bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5393{
5394 int rc;
5395
5396 rc = bnx2_reset_chip(bp, reset_code);
5397 bnx2_free_skbs(bp);
5398 if (rc)
5399 return rc;
5400
Michael Chanfba9fe92006-06-12 22:21:25 -07005401 if ((rc = bnx2_init_chip(bp)) != 0)
5402 return rc;
5403
Michael Chan35e90102008-06-19 16:37:42 -07005404 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005405 return 0;
5406}
5407
5408static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005409bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005410{
5411 int rc;
5412
5413 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5414 return rc;
5415
Michael Chan80be4432006-11-19 14:07:28 -08005416 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005417 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005418 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005419 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5420 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005421 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005422 return 0;
5423}
5424
5425static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005426bnx2_shutdown_chip(struct bnx2 *bp)
5427{
5428 u32 reset_code;
5429
5430 if (bp->flags & BNX2_FLAG_NO_WOL)
5431 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5432 else if (bp->wol)
5433 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5434 else
5435 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5436
5437 return bnx2_reset_chip(bp, reset_code);
5438}
5439
5440static int
Michael Chanb6016b72005-05-26 13:03:09 -07005441bnx2_test_registers(struct bnx2 *bp)
5442{
5443 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005444 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005445 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005446 u16 offset;
5447 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005448#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005449 u32 rw_mask;
5450 u32 ro_mask;
5451 } reg_tbl[] = {
5452 { 0x006c, 0, 0x00000000, 0x0000003f },
5453 { 0x0090, 0, 0xffffffff, 0x00000000 },
5454 { 0x0094, 0, 0x00000000, 0x00000000 },
5455
Michael Chan5bae30c2007-05-03 13:18:46 -07005456 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5457 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5458 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5459 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5460 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5461 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5462 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5463 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5464 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005465
Michael Chan5bae30c2007-05-03 13:18:46 -07005466 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5467 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5468 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5469 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5470 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5471 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005472
Michael Chan5bae30c2007-05-03 13:18:46 -07005473 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5474 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5475 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005476
5477 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005478 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005479
5480 { 0x1408, 0, 0x01c00800, 0x00000000 },
5481 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5482 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005483 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005484 { 0x14b0, 0, 0x00000002, 0x00000001 },
5485 { 0x14b8, 0, 0x00000000, 0x00000000 },
5486 { 0x14c0, 0, 0x00000000, 0x00000009 },
5487 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5488 { 0x14cc, 0, 0x00000000, 0x00000001 },
5489 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005490
5491 { 0x1800, 0, 0x00000000, 0x00000001 },
5492 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005493
5494 { 0x2800, 0, 0x00000000, 0x00000001 },
5495 { 0x2804, 0, 0x00000000, 0x00003f01 },
5496 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5497 { 0x2810, 0, 0xffff0000, 0x00000000 },
5498 { 0x2814, 0, 0xffff0000, 0x00000000 },
5499 { 0x2818, 0, 0xffff0000, 0x00000000 },
5500 { 0x281c, 0, 0xffff0000, 0x00000000 },
5501 { 0x2834, 0, 0xffffffff, 0x00000000 },
5502 { 0x2840, 0, 0x00000000, 0xffffffff },
5503 { 0x2844, 0, 0x00000000, 0xffffffff },
5504 { 0x2848, 0, 0xffffffff, 0x00000000 },
5505 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5506
5507 { 0x2c00, 0, 0x00000000, 0x00000011 },
5508 { 0x2c04, 0, 0x00000000, 0x00030007 },
5509
Michael Chanb6016b72005-05-26 13:03:09 -07005510 { 0x3c00, 0, 0x00000000, 0x00000001 },
5511 { 0x3c04, 0, 0x00000000, 0x00070000 },
5512 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5513 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5514 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5515 { 0x3c14, 0, 0x00000000, 0xffffffff },
5516 { 0x3c18, 0, 0x00000000, 0xffffffff },
5517 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5518 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005519
5520 { 0x5004, 0, 0x00000000, 0x0000007f },
5521 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005522
Michael Chanb6016b72005-05-26 13:03:09 -07005523 { 0x5c00, 0, 0x00000000, 0x00000001 },
5524 { 0x5c04, 0, 0x00000000, 0x0003000f },
5525 { 0x5c08, 0, 0x00000003, 0x00000000 },
5526 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5527 { 0x5c10, 0, 0x00000000, 0xffffffff },
5528 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5529 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5530 { 0x5c88, 0, 0x00000000, 0x00077373 },
5531 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5532
5533 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5534 { 0x680c, 0, 0xffffffff, 0x00000000 },
5535 { 0x6810, 0, 0xffffffff, 0x00000000 },
5536 { 0x6814, 0, 0xffffffff, 0x00000000 },
5537 { 0x6818, 0, 0xffffffff, 0x00000000 },
5538 { 0x681c, 0, 0xffffffff, 0x00000000 },
5539 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5540 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5541 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5542 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5543 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5544 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5545 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5546 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5547 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5548 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5549 { 0x684c, 0, 0xffffffff, 0x00000000 },
5550 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5551 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5552 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5553 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5554 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5555 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5556
5557 { 0xffff, 0, 0x00000000, 0x00000000 },
5558 };
5559
5560 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005561 is_5709 = 0;
5562 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5563 is_5709 = 1;
5564
Michael Chanb6016b72005-05-26 13:03:09 -07005565 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5566 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005567 u16 flags = reg_tbl[i].flags;
5568
5569 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5570 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005571
5572 offset = (u32) reg_tbl[i].offset;
5573 rw_mask = reg_tbl[i].rw_mask;
5574 ro_mask = reg_tbl[i].ro_mask;
5575
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005576 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005577
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005578 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005579
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005580 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005581 if ((val & rw_mask) != 0) {
5582 goto reg_test_err;
5583 }
5584
5585 if ((val & ro_mask) != (save_val & ro_mask)) {
5586 goto reg_test_err;
5587 }
5588
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005589 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005590
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005591 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005592 if ((val & rw_mask) != rw_mask) {
5593 goto reg_test_err;
5594 }
5595
5596 if ((val & ro_mask) != (save_val & ro_mask)) {
5597 goto reg_test_err;
5598 }
5599
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005600 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005601 continue;
5602
5603reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005604 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005605 ret = -ENODEV;
5606 break;
5607 }
5608 return ret;
5609}
5610
5611static int
5612bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5613{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005614 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005615 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5616 int i;
5617
5618 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5619 u32 offset;
5620
5621 for (offset = 0; offset < size; offset += 4) {
5622
Michael Chan2726d6e2008-01-29 21:35:05 -08005623 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005624
Michael Chan2726d6e2008-01-29 21:35:05 -08005625 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005626 test_pattern[i]) {
5627 return -ENODEV;
5628 }
5629 }
5630 }
5631 return 0;
5632}
5633
5634static int
5635bnx2_test_memory(struct bnx2 *bp)
5636{
5637 int ret = 0;
5638 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005639 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005640 u32 offset;
5641 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005642 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005643 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005644 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005645 { 0xe0000, 0x4000 },
5646 { 0x120000, 0x4000 },
5647 { 0x1a0000, 0x4000 },
5648 { 0x160000, 0x4000 },
5649 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005650 },
5651 mem_tbl_5709[] = {
5652 { 0x60000, 0x4000 },
5653 { 0xa0000, 0x3000 },
5654 { 0xe0000, 0x4000 },
5655 { 0x120000, 0x4000 },
5656 { 0x1a0000, 0x4000 },
5657 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005658 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005659 struct mem_entry *mem_tbl;
5660
5661 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5662 mem_tbl = mem_tbl_5709;
5663 else
5664 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005665
5666 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5667 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5668 mem_tbl[i].len)) != 0) {
5669 return ret;
5670 }
5671 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005672
Michael Chanb6016b72005-05-26 13:03:09 -07005673 return ret;
5674}
5675
Michael Chanbc5a0692006-01-23 16:13:22 -08005676#define BNX2_MAC_LOOPBACK 0
5677#define BNX2_PHY_LOOPBACK 1
5678
Michael Chanb6016b72005-05-26 13:03:09 -07005679static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005680bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005681{
5682 unsigned int pkt_size, num_pkts, i;
5683 struct sk_buff *skb, *rx_skb;
5684 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005685 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005686 dma_addr_t map;
5687 struct tx_bd *txbd;
5688 struct sw_bd *rx_buf;
5689 struct l2_fhdr *rx_hdr;
5690 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005691 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005692 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005693 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005694
5695 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005696
Michael Chan35e90102008-06-19 16:37:42 -07005697 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005698 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005699 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5700 bp->loopback = MAC_LOOPBACK;
5701 bnx2_set_mac_loopback(bp);
5702 }
5703 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005704 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005705 return 0;
5706
Michael Chan80be4432006-11-19 14:07:28 -08005707 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005708 bnx2_set_phy_loopback(bp);
5709 }
5710 else
5711 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005712
Michael Chan84eaa182007-12-12 11:19:57 -08005713 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005714 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005715 if (!skb)
5716 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005717 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005718 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005719 memset(packet + 6, 0x0, 8);
5720 for (i = 14; i < pkt_size; i++)
5721 packet[i] = (unsigned char) (i & 0xff);
5722
Alexander Duycke95524a2009-12-02 16:47:57 +00005723 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5724 PCI_DMA_TODEVICE);
5725 if (pci_dma_mapping_error(bp->pdev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005726 dev_kfree_skb(skb);
5727 return -EIO;
5728 }
Michael Chanb6016b72005-05-26 13:03:09 -07005729
Michael Chanbf5295b2006-03-23 01:11:56 -08005730 REG_WR(bp, BNX2_HC_COMMAND,
5731 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5732
Michael Chanb6016b72005-05-26 13:03:09 -07005733 REG_RD(bp, BNX2_HC_COMMAND);
5734
5735 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005736 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005737
Michael Chanb6016b72005-05-26 13:03:09 -07005738 num_pkts = 0;
5739
Michael Chan35e90102008-06-19 16:37:42 -07005740 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005741
5742 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5743 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5744 txbd->tx_bd_mss_nbytes = pkt_size;
5745 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5746
5747 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005748 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5749 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005750
Michael Chan35e90102008-06-19 16:37:42 -07005751 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5752 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005753
5754 udelay(100);
5755
Michael Chanbf5295b2006-03-23 01:11:56 -08005756 REG_WR(bp, BNX2_HC_COMMAND,
5757 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5758
Michael Chanb6016b72005-05-26 13:03:09 -07005759 REG_RD(bp, BNX2_HC_COMMAND);
5760
5761 udelay(5);
5762
Alexander Duycke95524a2009-12-02 16:47:57 +00005763 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005764 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005765
Michael Chan35e90102008-06-19 16:37:42 -07005766 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005767 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005768
Michael Chan35efa7c2007-12-20 19:56:37 -08005769 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005770 if (rx_idx != rx_start_idx + num_pkts) {
5771 goto loopback_test_done;
5772 }
5773
Michael Chanbb4f98a2008-06-19 16:38:19 -07005774 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005775 rx_skb = rx_buf->skb;
5776
Michael Chana33fa662010-05-06 08:58:13 +00005777 rx_hdr = rx_buf->desc;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005778 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005779
5780 pci_dma_sync_single_for_cpu(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005781 dma_unmap_addr(rx_buf, mapping),
Michael Chanb6016b72005-05-26 13:03:09 -07005782 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5783
Michael Chanade2bfe2006-01-23 16:09:51 -08005784 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005785 (L2_FHDR_ERRORS_BAD_CRC |
5786 L2_FHDR_ERRORS_PHY_DECODE |
5787 L2_FHDR_ERRORS_ALIGNMENT |
5788 L2_FHDR_ERRORS_TOO_SHORT |
5789 L2_FHDR_ERRORS_GIANT_FRAME)) {
5790
5791 goto loopback_test_done;
5792 }
5793
5794 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5795 goto loopback_test_done;
5796 }
5797
5798 for (i = 14; i < pkt_size; i++) {
5799 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5800 goto loopback_test_done;
5801 }
5802 }
5803
5804 ret = 0;
5805
5806loopback_test_done:
5807 bp->loopback = 0;
5808 return ret;
5809}
5810
Michael Chanbc5a0692006-01-23 16:13:22 -08005811#define BNX2_MAC_LOOPBACK_FAILED 1
5812#define BNX2_PHY_LOOPBACK_FAILED 2
5813#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5814 BNX2_PHY_LOOPBACK_FAILED)
5815
5816static int
5817bnx2_test_loopback(struct bnx2 *bp)
5818{
5819 int rc = 0;
5820
5821 if (!netif_running(bp->dev))
5822 return BNX2_LOOPBACK_FAILED;
5823
5824 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5825 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005826 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005827 spin_unlock_bh(&bp->phy_lock);
5828 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5829 rc |= BNX2_MAC_LOOPBACK_FAILED;
5830 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5831 rc |= BNX2_PHY_LOOPBACK_FAILED;
5832 return rc;
5833}
5834
Michael Chanb6016b72005-05-26 13:03:09 -07005835#define NVRAM_SIZE 0x200
5836#define CRC32_RESIDUAL 0xdebb20e3
5837
5838static int
5839bnx2_test_nvram(struct bnx2 *bp)
5840{
Al Virob491edd2007-12-22 19:44:51 +00005841 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005842 u8 *data = (u8 *) buf;
5843 int rc = 0;
5844 u32 magic, csum;
5845
5846 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5847 goto test_nvram_done;
5848
5849 magic = be32_to_cpu(buf[0]);
5850 if (magic != 0x669955aa) {
5851 rc = -ENODEV;
5852 goto test_nvram_done;
5853 }
5854
5855 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5856 goto test_nvram_done;
5857
5858 csum = ether_crc_le(0x100, data);
5859 if (csum != CRC32_RESIDUAL) {
5860 rc = -ENODEV;
5861 goto test_nvram_done;
5862 }
5863
5864 csum = ether_crc_le(0x100, data + 0x100);
5865 if (csum != CRC32_RESIDUAL) {
5866 rc = -ENODEV;
5867 }
5868
5869test_nvram_done:
5870 return rc;
5871}
5872
5873static int
5874bnx2_test_link(struct bnx2 *bp)
5875{
5876 u32 bmsr;
5877
Michael Chan9f52b562008-10-09 12:21:46 -07005878 if (!netif_running(bp->dev))
5879 return -ENODEV;
5880
Michael Chan583c28e2008-01-21 19:51:35 -08005881 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005882 if (bp->link_up)
5883 return 0;
5884 return -ENODEV;
5885 }
Michael Chanc770a652005-08-25 15:38:39 -07005886 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005887 bnx2_enable_bmsr1(bp);
5888 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5889 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5890 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005891 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005892
Michael Chanb6016b72005-05-26 13:03:09 -07005893 if (bmsr & BMSR_LSTATUS) {
5894 return 0;
5895 }
5896 return -ENODEV;
5897}
5898
5899static int
5900bnx2_test_intr(struct bnx2 *bp)
5901{
5902 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005903 u16 status_idx;
5904
5905 if (!netif_running(bp->dev))
5906 return -ENODEV;
5907
5908 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5909
5910 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005911 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005912 REG_RD(bp, BNX2_HC_COMMAND);
5913
5914 for (i = 0; i < 10; i++) {
5915 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5916 status_idx) {
5917
5918 break;
5919 }
5920
5921 msleep_interruptible(10);
5922 }
5923 if (i < 10)
5924 return 0;
5925
5926 return -ENODEV;
5927}
5928
Michael Chan38ea3682008-02-23 19:48:57 -08005929/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005930static int
5931bnx2_5706_serdes_has_link(struct bnx2 *bp)
5932{
5933 u32 mode_ctl, an_dbg, exp;
5934
Michael Chan38ea3682008-02-23 19:48:57 -08005935 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5936 return 0;
5937
Michael Chanb2fadea2008-01-21 17:07:06 -08005938 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5939 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5940
5941 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5942 return 0;
5943
5944 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5945 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5946 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5947
Michael Chanf3014c02008-01-29 21:33:03 -08005948 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005949 return 0;
5950
5951 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5952 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5953 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5954
5955 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5956 return 0;
5957
5958 return 1;
5959}
5960
Michael Chanb6016b72005-05-26 13:03:09 -07005961static void
Michael Chan48b01e22006-11-19 14:08:00 -08005962bnx2_5706_serdes_timer(struct bnx2 *bp)
5963{
Michael Chanb2fadea2008-01-21 17:07:06 -08005964 int check_link = 1;
5965
Michael Chan48b01e22006-11-19 14:08:00 -08005966 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005967 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005968 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005969 check_link = 0;
5970 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005971 u32 bmcr;
5972
Benjamin Liac392ab2008-09-18 16:40:49 -07005973 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005974
Michael Chanca58c3a2007-05-03 13:22:52 -07005975 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005976
5977 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005978 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005979 bmcr &= ~BMCR_ANENABLE;
5980 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005981 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005982 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005983 }
5984 }
5985 }
5986 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005987 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005988 u32 phy2;
5989
5990 bnx2_write_phy(bp, 0x17, 0x0f01);
5991 bnx2_read_phy(bp, 0x15, &phy2);
5992 if (phy2 & 0x20) {
5993 u32 bmcr;
5994
Michael Chanca58c3a2007-05-03 13:22:52 -07005995 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005996 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005997 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005998
Michael Chan583c28e2008-01-21 19:51:35 -08005999 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08006000 }
6001 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006002 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08006003
Michael Chana2724e22008-02-23 19:47:44 -08006004 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08006005 u32 val;
6006
6007 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6008 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6009 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6010
Michael Chana2724e22008-02-23 19:47:44 -08006011 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6012 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6013 bnx2_5706s_force_link_dn(bp, 1);
6014 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6015 } else
6016 bnx2_set_link(bp);
6017 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6018 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006019 }
Michael Chan48b01e22006-11-19 14:08:00 -08006020 spin_unlock(&bp->phy_lock);
6021}
6022
6023static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006024bnx2_5708_serdes_timer(struct bnx2 *bp)
6025{
Michael Chan583c28e2008-01-21 19:51:35 -08006026 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006027 return;
6028
Michael Chan583c28e2008-01-21 19:51:35 -08006029 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006030 bp->serdes_an_pending = 0;
6031 return;
6032 }
6033
6034 spin_lock(&bp->phy_lock);
6035 if (bp->serdes_an_pending)
6036 bp->serdes_an_pending--;
6037 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6038 u32 bmcr;
6039
Michael Chanca58c3a2007-05-03 13:22:52 -07006040 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006041 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006042 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006043 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006044 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006045 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006046 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006047 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006048 }
6049
6050 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006051 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006052
6053 spin_unlock(&bp->phy_lock);
6054}
6055
6056static void
Michael Chanb6016b72005-05-26 13:03:09 -07006057bnx2_timer(unsigned long data)
6058{
6059 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006060
Michael Chancd339a02005-08-25 15:35:24 -07006061 if (!netif_running(bp->dev))
6062 return;
6063
Michael Chanb6016b72005-05-26 13:03:09 -07006064 if (atomic_read(&bp->intr_sem) != 0)
6065 goto bnx2_restart_timer;
6066
Michael Chanefba0182008-12-03 00:36:15 -08006067 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6068 BNX2_FLAG_USING_MSI)
6069 bnx2_chk_missed_msi(bp);
6070
Michael Chandf149d72007-07-07 22:51:36 -07006071 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006072
Michael Chan2726d6e2008-01-29 21:35:05 -08006073 bp->stats_blk->stat_FwRxDrop =
6074 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006075
Michael Chan02537b062007-06-04 21:24:07 -07006076 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006077 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chan02537b062007-06-04 21:24:07 -07006078 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6079 BNX2_HC_COMMAND_STATS_NOW);
6080
Michael Chan583c28e2008-01-21 19:51:35 -08006081 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006082 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6083 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006084 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006085 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006086 }
6087
6088bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006089 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006090}
6091
Michael Chan8e6a72c2007-05-03 13:24:48 -07006092static int
6093bnx2_request_irq(struct bnx2 *bp)
6094{
Michael Chan6d866ff2007-12-20 19:56:09 -08006095 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006096 struct bnx2_irq *irq;
6097 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006098
David S. Millerf86e82f2008-01-21 17:15:40 -08006099 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006100 flags = 0;
6101 else
6102 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006103
6104 for (i = 0; i < bp->irq_nvecs; i++) {
6105 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006106 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006107 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006108 if (rc)
6109 break;
6110 irq->requested = 1;
6111 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006112 return rc;
6113}
6114
6115static void
6116bnx2_free_irq(struct bnx2 *bp)
6117{
Michael Chanb4b36042007-12-20 19:59:30 -08006118 struct bnx2_irq *irq;
6119 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006120
Michael Chanb4b36042007-12-20 19:59:30 -08006121 for (i = 0; i < bp->irq_nvecs; i++) {
6122 irq = &bp->irq_tbl[i];
6123 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006124 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006125 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006126 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006127 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08006128 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08006129 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08006130 pci_disable_msix(bp->pdev);
6131
David S. Millerf86e82f2008-01-21 17:15:40 -08006132 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08006133}
6134
6135static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006136bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08006137{
Michael Chan57851d82007-12-20 20:01:44 -08006138 int i, rc;
6139 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
Michael Chan4e1d0de2008-12-16 20:27:45 -08006140 struct net_device *dev = bp->dev;
6141 const int len = sizeof(bp->irq_tbl[0].name);
Michael Chan57851d82007-12-20 20:01:44 -08006142
Michael Chanb4b36042007-12-20 19:59:30 -08006143 bnx2_setup_msix_tbl(bp);
6144 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6145 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6146 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08006147
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006148 /* Need to flush the previous three writes to ensure MSI-X
6149 * is setup properly */
6150 REG_RD(bp, BNX2_PCI_MSIX_CONTROL);
6151
Michael Chan57851d82007-12-20 20:01:44 -08006152 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6153 msix_ent[i].entry = i;
6154 msix_ent[i].vector = 0;
6155 }
6156
6157 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
6158 if (rc != 0)
6159 return;
6160
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006161 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006162 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan69010312009-03-18 18:11:51 -07006163 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006164 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006165 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6166 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6167 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006168}
6169
6170static void
6171bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6172{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006173 int cpus = num_online_cpus();
Benjamin Li706bf242008-07-18 17:55:11 -07006174 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006175
Michael Chan6d866ff2007-12-20 19:56:09 -08006176 bp->irq_tbl[0].handler = bnx2_interrupt;
6177 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006178 bp->irq_nvecs = 1;
6179 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006180
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006181 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
6182 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006183
David S. Millerf86e82f2008-01-21 17:15:40 -08006184 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6185 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006186 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006187 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006188 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006189 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006190 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6191 } else
6192 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006193
6194 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006195 }
6196 }
Benjamin Li706bf242008-07-18 17:55:11 -07006197
6198 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6199 bp->dev->real_num_tx_queues = bp->num_tx_rings;
6200
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006201 bp->num_rx_rings = bp->irq_nvecs;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006202}
6203
Michael Chanb6016b72005-05-26 13:03:09 -07006204/* Called with rtnl_lock */
6205static int
6206bnx2_open(struct net_device *dev)
6207{
Michael Chan972ec0d2006-01-23 16:12:43 -08006208 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006209 int rc;
6210
Michael Chan1b2f9222007-05-03 13:20:19 -07006211 netif_carrier_off(dev);
6212
Pavel Machek829ca9a2005-09-03 15:56:56 -07006213 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07006214 bnx2_disable_int(bp);
6215
Michael Chan6d866ff2007-12-20 19:56:09 -08006216 bnx2_setup_int_mode(bp, disable_msi);
Benjamin Li4327ba42010-03-23 13:13:11 +00006217 bnx2_init_napi(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006218 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006219 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006220 if (rc)
6221 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006222
Michael Chan8e6a72c2007-05-03 13:24:48 -07006223 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006224 if (rc)
6225 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006226
Michael Chan9a120bc2008-05-16 22:17:45 -07006227 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006228 if (rc)
6229 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006230
Michael Chancd339a02005-08-25 15:35:24 -07006231 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006232
6233 atomic_set(&bp->intr_sem, 0);
6234
Michael Chan354fcd72010-01-17 07:30:44 +00006235 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6236
Michael Chanb6016b72005-05-26 13:03:09 -07006237 bnx2_enable_int(bp);
6238
David S. Millerf86e82f2008-01-21 17:15:40 -08006239 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006240 /* Test MSI to make sure it is working
6241 * If MSI test fails, go back to INTx mode
6242 */
6243 if (bnx2_test_intr(bp) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00006244 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 -07006245
6246 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006247 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006248
Michael Chan6d866ff2007-12-20 19:56:09 -08006249 bnx2_setup_int_mode(bp, 1);
6250
Michael Chan9a120bc2008-05-16 22:17:45 -07006251 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006252
Michael Chan8e6a72c2007-05-03 13:24:48 -07006253 if (!rc)
6254 rc = bnx2_request_irq(bp);
6255
Michael Chanb6016b72005-05-26 13:03:09 -07006256 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006257 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006258 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006259 }
6260 bnx2_enable_int(bp);
6261 }
6262 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006263 if (bp->flags & BNX2_FLAG_USING_MSI)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006264 netdev_info(dev, "using MSI\n");
David S. Millerf86e82f2008-01-21 17:15:40 -08006265 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006266 netdev_info(dev, "using MSIX\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006267
Benjamin Li706bf242008-07-18 17:55:11 -07006268 netif_tx_start_all_queues(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006269
6270 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07006271
6272open_err:
6273 bnx2_napi_disable(bp);
6274 bnx2_free_skbs(bp);
6275 bnx2_free_irq(bp);
6276 bnx2_free_mem(bp);
6277 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006278}
6279
6280static void
David Howellsc4028952006-11-22 14:57:56 +00006281bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006282{
David Howellsc4028952006-11-22 14:57:56 +00006283 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07006284
Michael Chan51bf6bb2009-12-03 09:46:31 +00006285 rtnl_lock();
6286 if (!netif_running(bp->dev)) {
6287 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006288 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006289 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006290
Michael Chan212f9932010-04-27 11:28:10 +00006291 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07006292
Michael Chan9a120bc2008-05-16 22:17:45 -07006293 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006294
6295 atomic_set(&bp->intr_sem, 1);
Michael Chan212f9932010-04-27 11:28:10 +00006296 bnx2_netif_start(bp, true);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006297 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006298}
6299
6300static void
Michael Chan20175c52009-12-03 09:46:32 +00006301bnx2_dump_state(struct bnx2 *bp)
6302{
6303 struct net_device *dev = bp->dev;
Eddie Waib98eba52010-05-17 17:32:56 -07006304 u32 mcp_p0, mcp_p1;
Michael Chan20175c52009-12-03 09:46:32 +00006305
Joe Perches3a9c6a42010-02-17 15:01:51 +00006306 netdev_err(dev, "DEBUG: intr_sem[%x]\n", atomic_read(&bp->intr_sem));
Eddie Waib98eba52010-05-17 17:32:56 -07006307 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
Joe Perches3a9c6a42010-02-17 15:01:51 +00006308 REG_RD(bp, BNX2_EMAC_TX_STATUS),
Eddie Waib98eba52010-05-17 17:32:56 -07006309 REG_RD(bp, BNX2_EMAC_RX_STATUS));
6310 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
Joe Perches3a9c6a42010-02-17 15:01:51 +00006311 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
Eddie Waib98eba52010-05-17 17:32:56 -07006312 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6313 mcp_p0 = BNX2_MCP_STATE_P0;
6314 mcp_p1 = BNX2_MCP_STATE_P1;
6315 } else {
6316 mcp_p0 = BNX2_MCP_STATE_P0_5708;
6317 mcp_p1 = BNX2_MCP_STATE_P1_5708;
6318 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00006319 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
Eddie Waib98eba52010-05-17 17:32:56 -07006320 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
Joe Perches3a9c6a42010-02-17 15:01:51 +00006321 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6322 REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
Michael Chan20175c52009-12-03 09:46:32 +00006323 if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006324 netdev_err(dev, "DEBUG: PBA[%08x]\n",
6325 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
Michael Chan20175c52009-12-03 09:46:32 +00006326}
6327
6328static void
Michael Chanb6016b72005-05-26 13:03:09 -07006329bnx2_tx_timeout(struct net_device *dev)
6330{
Michael Chan972ec0d2006-01-23 16:12:43 -08006331 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006332
Michael Chan20175c52009-12-03 09:46:32 +00006333 bnx2_dump_state(bp);
6334
Michael Chanb6016b72005-05-26 13:03:09 -07006335 /* This allows the netif to be shutdown gracefully before resetting */
6336 schedule_work(&bp->reset_task);
6337}
6338
6339#ifdef BCM_VLAN
6340/* Called with rtnl_lock */
6341static void
6342bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6343{
Michael Chan972ec0d2006-01-23 16:12:43 -08006344 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006345
Michael Chan37675462009-08-21 16:20:44 +00006346 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00006347 bnx2_netif_stop(bp, false);
Michael Chanb6016b72005-05-26 13:03:09 -07006348
6349 bp->vlgrp = vlgrp;
Michael Chan37675462009-08-21 16:20:44 +00006350
6351 if (!netif_running(dev))
6352 return;
6353
Michael Chanb6016b72005-05-26 13:03:09 -07006354 bnx2_set_rx_mode(dev);
Michael Chan7c62e832008-07-14 22:39:03 -07006355 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6356 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006357
Michael Chan212f9932010-04-27 11:28:10 +00006358 bnx2_netif_start(bp, false);
Michael Chanb6016b72005-05-26 13:03:09 -07006359}
Michael Chanb6016b72005-05-26 13:03:09 -07006360#endif
6361
Herbert Xu932ff272006-06-09 12:20:56 -07006362/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006363 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6364 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006365 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006366static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006367bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6368{
Michael Chan972ec0d2006-01-23 16:12:43 -08006369 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006370 dma_addr_t mapping;
6371 struct tx_bd *txbd;
Benjamin Li3d16af82008-10-09 12:26:41 -07006372 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006373 u32 len, vlan_tag_flags, last_frag, mss;
6374 u16 prod, ring_prod;
6375 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006376 struct bnx2_napi *bnapi;
6377 struct bnx2_tx_ring_info *txr;
6378 struct netdev_queue *txq;
6379
6380 /* Determine which tx ring we will be placed on */
6381 i = skb_get_queue_mapping(skb);
6382 bnapi = &bp->bnx2_napi[i];
6383 txr = &bnapi->tx_ring;
6384 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006385
Michael Chan35e90102008-06-19 16:37:42 -07006386 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006387 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006388 netif_tx_stop_queue(txq);
Joe Perches3a9c6a42010-02-17 15:01:51 +00006389 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006390
6391 return NETDEV_TX_BUSY;
6392 }
6393 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006394 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006395 ring_prod = TX_RING_IDX(prod);
6396
6397 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006398 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006399 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6400 }
6401
Michael Chan729b85c2008-08-14 15:29:39 -07006402#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08006403 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006404 vlan_tag_flags |=
6405 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6406 }
Michael Chan729b85c2008-08-14 15:29:39 -07006407#endif
Michael Chanfde82052007-05-03 17:23:35 -07006408 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006409 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006410 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006411
Michael Chanb6016b72005-05-26 13:03:09 -07006412 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6413
Michael Chan4666f872007-05-03 13:22:28 -07006414 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006415
Michael Chan4666f872007-05-03 13:22:28 -07006416 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6417 u32 tcp_off = skb_transport_offset(skb) -
6418 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006419
Michael Chan4666f872007-05-03 13:22:28 -07006420 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6421 TX_BD_FLAGS_SW_FLAGS;
6422 if (likely(tcp_off == 0))
6423 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6424 else {
6425 tcp_off >>= 3;
6426 vlan_tag_flags |= ((tcp_off & 0x3) <<
6427 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6428 ((tcp_off & 0x10) <<
6429 TX_BD_FLAGS_TCP6_OFF4_SHL);
6430 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6431 }
6432 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006433 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006434 if (tcp_opt_len || (iph->ihl > 5)) {
6435 vlan_tag_flags |= ((iph->ihl - 5) +
6436 (tcp_opt_len >> 2)) << 8;
6437 }
Michael Chanb6016b72005-05-26 13:03:09 -07006438 }
Michael Chan4666f872007-05-03 13:22:28 -07006439 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006440 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006441
Alexander Duycke95524a2009-12-02 16:47:57 +00006442 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
6443 if (pci_dma_mapping_error(bp->pdev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07006444 dev_kfree_skb(skb);
6445 return NETDEV_TX_OK;
6446 }
6447
Michael Chan35e90102008-06-19 16:37:42 -07006448 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006449 tx_buf->skb = skb;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006450 dma_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006451
Michael Chan35e90102008-06-19 16:37:42 -07006452 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006453
6454 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6455 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6456 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6457 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6458
6459 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006460 tx_buf->nr_frags = last_frag;
6461 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006462
6463 for (i = 0; i < last_frag; i++) {
6464 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6465
6466 prod = NEXT_TX_BD(prod);
6467 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006468 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006469
6470 len = frag->size;
Alexander Duycke95524a2009-12-02 16:47:57 +00006471 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
6472 len, PCI_DMA_TODEVICE);
6473 if (pci_dma_mapping_error(bp->pdev, mapping))
6474 goto dma_error;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006475 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
Alexander Duycke95524a2009-12-02 16:47:57 +00006476 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006477
6478 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6479 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6480 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6481 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6482
6483 }
6484 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6485
6486 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006487 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006488
Michael Chan35e90102008-06-19 16:37:42 -07006489 REG_WR16(bp, txr->tx_bidx_addr, prod);
6490 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006491
6492 mmiowb();
6493
Michael Chan35e90102008-06-19 16:37:42 -07006494 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006495
Michael Chan35e90102008-06-19 16:37:42 -07006496 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006497 netif_tx_stop_queue(txq);
Michael Chan35e90102008-06-19 16:37:42 -07006498 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006499 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006500 }
6501
6502 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006503dma_error:
6504 /* save value of frag that failed */
6505 last_frag = i;
6506
6507 /* start back at beginning and unmap skb */
6508 prod = txr->tx_prod;
6509 ring_prod = TX_RING_IDX(prod);
6510 tx_buf = &txr->tx_buf_ring[ring_prod];
6511 tx_buf->skb = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006512 pci_unmap_single(bp->pdev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006513 skb_headlen(skb), PCI_DMA_TODEVICE);
6514
6515 /* unmap remaining mapped pages */
6516 for (i = 0; i < last_frag; i++) {
6517 prod = NEXT_TX_BD(prod);
6518 ring_prod = TX_RING_IDX(prod);
6519 tx_buf = &txr->tx_buf_ring[ring_prod];
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006520 pci_unmap_page(bp->pdev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006521 skb_shinfo(skb)->frags[i].size,
6522 PCI_DMA_TODEVICE);
6523 }
6524
6525 dev_kfree_skb(skb);
6526 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006527}
6528
6529/* Called with rtnl_lock */
6530static int
6531bnx2_close(struct net_device *dev)
6532{
Michael Chan972ec0d2006-01-23 16:12:43 -08006533 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006534
David S. Miller4bb073c2008-06-12 02:22:02 -07006535 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006536
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006537 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006538 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006539 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006540 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006541 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006542 bnx2_free_skbs(bp);
6543 bnx2_free_mem(bp);
6544 bp->link_up = 0;
6545 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006546 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006547 return 0;
6548}
6549
Michael Chan354fcd72010-01-17 07:30:44 +00006550static void
6551bnx2_save_stats(struct bnx2 *bp)
6552{
6553 u32 *hw_stats = (u32 *) bp->stats_blk;
6554 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6555 int i;
6556
6557 /* The 1st 10 counters are 64-bit counters */
6558 for (i = 0; i < 20; i += 2) {
6559 u32 hi;
6560 u64 lo;
6561
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006562 hi = temp_stats[i] + hw_stats[i];
6563 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
Michael Chan354fcd72010-01-17 07:30:44 +00006564 if (lo > 0xffffffff)
6565 hi++;
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006566 temp_stats[i] = hi;
6567 temp_stats[i + 1] = lo & 0xffffffff;
Michael Chan354fcd72010-01-17 07:30:44 +00006568 }
6569
6570 for ( ; i < sizeof(struct statistics_block) / 4; i++)
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006571 temp_stats[i] += hw_stats[i];
Michael Chan354fcd72010-01-17 07:30:44 +00006572}
6573
Michael Chana4743052010-01-17 07:30:43 +00006574#define GET_64BIT_NET_STATS64(ctr) \
Michael Chanb6016b72005-05-26 13:03:09 -07006575 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6576 (unsigned long) (ctr##_lo)
6577
Michael Chana4743052010-01-17 07:30:43 +00006578#define GET_64BIT_NET_STATS32(ctr) \
Michael Chanb6016b72005-05-26 13:03:09 -07006579 (ctr##_lo)
6580
6581#if (BITS_PER_LONG == 64)
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_STATS64(bp->stats_blk->ctr) + \
6584 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006585#else
Michael Chana4743052010-01-17 07:30:43 +00006586#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006587 GET_64BIT_NET_STATS32(bp->stats_blk->ctr) + \
6588 GET_64BIT_NET_STATS32(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006589#endif
6590
Michael Chana4743052010-01-17 07:30:43 +00006591#define GET_32BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006592 (unsigned long) (bp->stats_blk->ctr + \
6593 bp->temp_stats_blk->ctr)
Michael Chana4743052010-01-17 07:30:43 +00006594
Michael Chanb6016b72005-05-26 13:03:09 -07006595static struct net_device_stats *
6596bnx2_get_stats(struct net_device *dev)
6597{
Michael Chan972ec0d2006-01-23 16:12:43 -08006598 struct bnx2 *bp = netdev_priv(dev);
Ilpo Järvinend8e80342008-11-28 15:52:43 -08006599 struct net_device_stats *net_stats = &dev->stats;
Michael Chanb6016b72005-05-26 13:03:09 -07006600
6601 if (bp->stats_blk == NULL) {
6602 return net_stats;
6603 }
6604 net_stats->rx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006605 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6606 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6607 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006608
6609 net_stats->tx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006610 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6611 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6612 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006613
6614 net_stats->rx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006615 GET_64BIT_NET_STATS(stat_IfHCInOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006616
6617 net_stats->tx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006618 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006619
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006620 net_stats->multicast =
Michael Chana4743052010-01-17 07:30:43 +00006621 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006622
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006623 net_stats->collisions =
Michael Chana4743052010-01-17 07:30:43 +00006624 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006625
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006626 net_stats->rx_length_errors =
Michael Chana4743052010-01-17 07:30:43 +00006627 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6628 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006629
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006630 net_stats->rx_over_errors =
Michael Chana4743052010-01-17 07:30:43 +00006631 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6632 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006633
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006634 net_stats->rx_frame_errors =
Michael Chana4743052010-01-17 07:30:43 +00006635 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006636
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006637 net_stats->rx_crc_errors =
Michael Chana4743052010-01-17 07:30:43 +00006638 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006639
6640 net_stats->rx_errors = net_stats->rx_length_errors +
6641 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6642 net_stats->rx_crc_errors;
6643
6644 net_stats->tx_aborted_errors =
Michael Chana4743052010-01-17 07:30:43 +00006645 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6646 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006647
Michael Chan5b0c76a2005-11-04 08:45:49 -08006648 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6649 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006650 net_stats->tx_carrier_errors = 0;
6651 else {
6652 net_stats->tx_carrier_errors =
Michael Chana4743052010-01-17 07:30:43 +00006653 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006654 }
6655
6656 net_stats->tx_errors =
Michael Chana4743052010-01-17 07:30:43 +00006657 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
Michael Chanb6016b72005-05-26 13:03:09 -07006658 net_stats->tx_aborted_errors +
6659 net_stats->tx_carrier_errors;
6660
Michael Chancea94db2006-06-12 22:16:13 -07006661 net_stats->rx_missed_errors =
Michael Chana4743052010-01-17 07:30:43 +00006662 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6663 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6664 GET_32BIT_NET_STATS(stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006665
Michael Chanb6016b72005-05-26 13:03:09 -07006666 return net_stats;
6667}
6668
6669/* All ethtool functions called with rtnl_lock */
6670
6671static int
6672bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6673{
Michael Chan972ec0d2006-01-23 16:12:43 -08006674 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006675 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006676
6677 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006678 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006679 support_serdes = 1;
6680 support_copper = 1;
6681 } else if (bp->phy_port == PORT_FIBRE)
6682 support_serdes = 1;
6683 else
6684 support_copper = 1;
6685
6686 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006687 cmd->supported |= SUPPORTED_1000baseT_Full |
6688 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006689 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006690 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006691
Michael Chanb6016b72005-05-26 13:03:09 -07006692 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006693 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006694 cmd->supported |= SUPPORTED_10baseT_Half |
6695 SUPPORTED_10baseT_Full |
6696 SUPPORTED_100baseT_Half |
6697 SUPPORTED_100baseT_Full |
6698 SUPPORTED_1000baseT_Full |
6699 SUPPORTED_TP;
6700
Michael Chanb6016b72005-05-26 13:03:09 -07006701 }
6702
Michael Chan7b6b8342007-07-07 22:50:15 -07006703 spin_lock_bh(&bp->phy_lock);
6704 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006705 cmd->advertising = bp->advertising;
6706
6707 if (bp->autoneg & AUTONEG_SPEED) {
6708 cmd->autoneg = AUTONEG_ENABLE;
6709 }
6710 else {
6711 cmd->autoneg = AUTONEG_DISABLE;
6712 }
6713
6714 if (netif_carrier_ok(dev)) {
6715 cmd->speed = bp->line_speed;
6716 cmd->duplex = bp->duplex;
6717 }
6718 else {
6719 cmd->speed = -1;
6720 cmd->duplex = -1;
6721 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006722 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006723
6724 cmd->transceiver = XCVR_INTERNAL;
6725 cmd->phy_address = bp->phy_addr;
6726
6727 return 0;
6728}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006729
Michael Chanb6016b72005-05-26 13:03:09 -07006730static int
6731bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6732{
Michael Chan972ec0d2006-01-23 16:12:43 -08006733 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006734 u8 autoneg = bp->autoneg;
6735 u8 req_duplex = bp->req_duplex;
6736 u16 req_line_speed = bp->req_line_speed;
6737 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006738 int err = -EINVAL;
6739
6740 spin_lock_bh(&bp->phy_lock);
6741
6742 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6743 goto err_out_unlock;
6744
Michael Chan583c28e2008-01-21 19:51:35 -08006745 if (cmd->port != bp->phy_port &&
6746 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006747 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006748
Michael Chand6b14482008-07-14 22:37:21 -07006749 /* If device is down, we can store the settings only if the user
6750 * is setting the currently active port.
6751 */
6752 if (!netif_running(dev) && cmd->port != bp->phy_port)
6753 goto err_out_unlock;
6754
Michael Chanb6016b72005-05-26 13:03:09 -07006755 if (cmd->autoneg == AUTONEG_ENABLE) {
6756 autoneg |= AUTONEG_SPEED;
6757
Michael Chanbeb499a2010-02-15 19:42:10 +00006758 advertising = cmd->advertising;
6759 if (cmd->port == PORT_TP) {
6760 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6761 if (!advertising)
Michael Chanb6016b72005-05-26 13:03:09 -07006762 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanbeb499a2010-02-15 19:42:10 +00006763 } else {
6764 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6765 if (!advertising)
6766 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006767 }
6768 advertising |= ADVERTISED_Autoneg;
6769 }
6770 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006771 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006772 if ((cmd->speed != SPEED_1000 &&
6773 cmd->speed != SPEED_2500) ||
6774 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006775 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006776
6777 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006778 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006779 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006780 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006781 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6782 goto err_out_unlock;
6783
Michael Chanb6016b72005-05-26 13:03:09 -07006784 autoneg &= ~AUTONEG_SPEED;
6785 req_line_speed = cmd->speed;
6786 req_duplex = cmd->duplex;
6787 advertising = 0;
6788 }
6789
6790 bp->autoneg = autoneg;
6791 bp->advertising = advertising;
6792 bp->req_line_speed = req_line_speed;
6793 bp->req_duplex = req_duplex;
6794
Michael Chand6b14482008-07-14 22:37:21 -07006795 err = 0;
6796 /* If device is down, the new settings will be picked up when it is
6797 * brought up.
6798 */
6799 if (netif_running(dev))
6800 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006801
Michael Chan7b6b8342007-07-07 22:50:15 -07006802err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006803 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006804
Michael Chan7b6b8342007-07-07 22:50:15 -07006805 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006806}
6807
6808static void
6809bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6810{
Michael Chan972ec0d2006-01-23 16:12:43 -08006811 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006812
6813 strcpy(info->driver, DRV_MODULE_NAME);
6814 strcpy(info->version, DRV_MODULE_VERSION);
6815 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006816 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006817}
6818
Michael Chan244ac4f2006-03-20 17:48:46 -08006819#define BNX2_REGDUMP_LEN (32 * 1024)
6820
6821static int
6822bnx2_get_regs_len(struct net_device *dev)
6823{
6824 return BNX2_REGDUMP_LEN;
6825}
6826
6827static void
6828bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6829{
6830 u32 *p = _p, i, offset;
6831 u8 *orig_p = _p;
6832 struct bnx2 *bp = netdev_priv(dev);
6833 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6834 0x0800, 0x0880, 0x0c00, 0x0c10,
6835 0x0c30, 0x0d08, 0x1000, 0x101c,
6836 0x1040, 0x1048, 0x1080, 0x10a4,
6837 0x1400, 0x1490, 0x1498, 0x14f0,
6838 0x1500, 0x155c, 0x1580, 0x15dc,
6839 0x1600, 0x1658, 0x1680, 0x16d8,
6840 0x1800, 0x1820, 0x1840, 0x1854,
6841 0x1880, 0x1894, 0x1900, 0x1984,
6842 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6843 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6844 0x2000, 0x2030, 0x23c0, 0x2400,
6845 0x2800, 0x2820, 0x2830, 0x2850,
6846 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6847 0x3c00, 0x3c94, 0x4000, 0x4010,
6848 0x4080, 0x4090, 0x43c0, 0x4458,
6849 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6850 0x4fc0, 0x5010, 0x53c0, 0x5444,
6851 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6852 0x5fc0, 0x6000, 0x6400, 0x6428,
6853 0x6800, 0x6848, 0x684c, 0x6860,
6854 0x6888, 0x6910, 0x8000 };
6855
6856 regs->version = 0;
6857
6858 memset(p, 0, BNX2_REGDUMP_LEN);
6859
6860 if (!netif_running(bp->dev))
6861 return;
6862
6863 i = 0;
6864 offset = reg_boundaries[0];
6865 p += offset;
6866 while (offset < BNX2_REGDUMP_LEN) {
6867 *p++ = REG_RD(bp, offset);
6868 offset += 4;
6869 if (offset == reg_boundaries[i + 1]) {
6870 offset = reg_boundaries[i + 2];
6871 p = (u32 *) (orig_p + offset);
6872 i += 2;
6873 }
6874 }
6875}
6876
Michael Chanb6016b72005-05-26 13:03:09 -07006877static void
6878bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6879{
Michael Chan972ec0d2006-01-23 16:12:43 -08006880 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006881
David S. Millerf86e82f2008-01-21 17:15:40 -08006882 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006883 wol->supported = 0;
6884 wol->wolopts = 0;
6885 }
6886 else {
6887 wol->supported = WAKE_MAGIC;
6888 if (bp->wol)
6889 wol->wolopts = WAKE_MAGIC;
6890 else
6891 wol->wolopts = 0;
6892 }
6893 memset(&wol->sopass, 0, sizeof(wol->sopass));
6894}
6895
6896static int
6897bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6898{
Michael Chan972ec0d2006-01-23 16:12:43 -08006899 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006900
6901 if (wol->wolopts & ~WAKE_MAGIC)
6902 return -EINVAL;
6903
6904 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006905 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006906 return -EINVAL;
6907
6908 bp->wol = 1;
6909 }
6910 else {
6911 bp->wol = 0;
6912 }
6913 return 0;
6914}
6915
6916static int
6917bnx2_nway_reset(struct net_device *dev)
6918{
Michael Chan972ec0d2006-01-23 16:12:43 -08006919 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006920 u32 bmcr;
6921
Michael Chan9f52b562008-10-09 12:21:46 -07006922 if (!netif_running(dev))
6923 return -EAGAIN;
6924
Michael Chanb6016b72005-05-26 13:03:09 -07006925 if (!(bp->autoneg & AUTONEG_SPEED)) {
6926 return -EINVAL;
6927 }
6928
Michael Chanc770a652005-08-25 15:38:39 -07006929 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006930
Michael Chan583c28e2008-01-21 19:51:35 -08006931 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006932 int rc;
6933
6934 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6935 spin_unlock_bh(&bp->phy_lock);
6936 return rc;
6937 }
6938
Michael Chanb6016b72005-05-26 13:03:09 -07006939 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006940 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006941 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006942 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006943
6944 msleep(20);
6945
Michael Chanc770a652005-08-25 15:38:39 -07006946 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006947
Michael Chan40105c02008-11-12 16:02:45 -08006948 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006949 bp->serdes_an_pending = 1;
6950 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006951 }
6952
Michael Chanca58c3a2007-05-03 13:22:52 -07006953 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006954 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006955 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006956
Michael Chanc770a652005-08-25 15:38:39 -07006957 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006958
6959 return 0;
6960}
6961
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07006962static u32
6963bnx2_get_link(struct net_device *dev)
6964{
6965 struct bnx2 *bp = netdev_priv(dev);
6966
6967 return bp->link_up;
6968}
6969
Michael Chanb6016b72005-05-26 13:03:09 -07006970static int
6971bnx2_get_eeprom_len(struct net_device *dev)
6972{
Michael Chan972ec0d2006-01-23 16:12:43 -08006973 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006974
Michael Chan1122db72006-01-23 16:11:42 -08006975 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006976 return 0;
6977
Michael Chan1122db72006-01-23 16:11:42 -08006978 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006979}
6980
6981static int
6982bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6983 u8 *eebuf)
6984{
Michael Chan972ec0d2006-01-23 16:12:43 -08006985 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006986 int rc;
6987
Michael Chan9f52b562008-10-09 12:21:46 -07006988 if (!netif_running(dev))
6989 return -EAGAIN;
6990
John W. Linville1064e942005-11-10 12:58:24 -08006991 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006992
6993 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6994
6995 return rc;
6996}
6997
6998static int
6999bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7000 u8 *eebuf)
7001{
Michael Chan972ec0d2006-01-23 16:12:43 -08007002 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007003 int rc;
7004
Michael Chan9f52b562008-10-09 12:21:46 -07007005 if (!netif_running(dev))
7006 return -EAGAIN;
7007
John W. Linville1064e942005-11-10 12:58:24 -08007008 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07007009
7010 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7011
7012 return rc;
7013}
7014
7015static int
7016bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7017{
Michael Chan972ec0d2006-01-23 16:12:43 -08007018 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007019
7020 memset(coal, 0, sizeof(struct ethtool_coalesce));
7021
7022 coal->rx_coalesce_usecs = bp->rx_ticks;
7023 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7024 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7025 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7026
7027 coal->tx_coalesce_usecs = bp->tx_ticks;
7028 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7029 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7030 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7031
7032 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7033
7034 return 0;
7035}
7036
7037static int
7038bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7039{
Michael Chan972ec0d2006-01-23 16:12:43 -08007040 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007041
7042 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7043 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7044
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007045 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007046 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7047
7048 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7049 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7050
7051 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7052 if (bp->rx_quick_cons_trip_int > 0xff)
7053 bp->rx_quick_cons_trip_int = 0xff;
7054
7055 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7056 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7057
7058 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7059 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7060
7061 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7062 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7063
7064 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7065 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7066 0xff;
7067
7068 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007069 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007070 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7071 bp->stats_ticks = USEC_PER_SEC;
7072 }
Michael Chan7ea69202007-07-16 18:27:10 -07007073 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7074 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7075 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007076
7077 if (netif_running(bp->dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00007078 bnx2_netif_stop(bp, true);
Michael Chan9a120bc2008-05-16 22:17:45 -07007079 bnx2_init_nic(bp, 0);
Michael Chan212f9932010-04-27 11:28:10 +00007080 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007081 }
7082
7083 return 0;
7084}
7085
7086static void
7087bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7088{
Michael Chan972ec0d2006-01-23 16:12:43 -08007089 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007090
Michael Chan13daffa2006-03-20 17:49:20 -08007091 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007092 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007093 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007094
7095 ering->rx_pending = bp->rx_ring_size;
7096 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007097 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007098
7099 ering->tx_max_pending = MAX_TX_DESC_CNT;
7100 ering->tx_pending = bp->tx_ring_size;
7101}
7102
7103static int
Michael Chan5d5d0012007-12-12 11:17:43 -08007104bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07007105{
Michael Chan13daffa2006-03-20 17:49:20 -08007106 if (netif_running(bp->dev)) {
Michael Chan354fcd72010-01-17 07:30:44 +00007107 /* Reset will erase chipset stats; save them */
7108 bnx2_save_stats(bp);
7109
Michael Chan212f9932010-04-27 11:28:10 +00007110 bnx2_netif_stop(bp, true);
Michael Chan13daffa2006-03-20 17:49:20 -08007111 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7112 bnx2_free_skbs(bp);
7113 bnx2_free_mem(bp);
7114 }
7115
Michael Chan5d5d0012007-12-12 11:17:43 -08007116 bnx2_set_rx_ring_size(bp, rx);
7117 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007118
7119 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08007120 int rc;
7121
7122 rc = bnx2_alloc_mem(bp);
Michael Chan6fefb65e2009-08-21 16:20:45 +00007123 if (!rc)
7124 rc = bnx2_init_nic(bp, 0);
7125
7126 if (rc) {
7127 bnx2_napi_enable(bp);
7128 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007129 return rc;
Michael Chan6fefb65e2009-08-21 16:20:45 +00007130 }
Michael Chane9f26c42010-02-15 19:42:08 +00007131#ifdef BCM_CNIC
7132 mutex_lock(&bp->cnic_lock);
7133 /* Let cnic know about the new status block. */
7134 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7135 bnx2_setup_cnic_irq_info(bp);
7136 mutex_unlock(&bp->cnic_lock);
7137#endif
Michael Chan212f9932010-04-27 11:28:10 +00007138 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007139 }
Michael Chanb6016b72005-05-26 13:03:09 -07007140 return 0;
7141}
7142
Michael Chan5d5d0012007-12-12 11:17:43 -08007143static int
7144bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7145{
7146 struct bnx2 *bp = netdev_priv(dev);
7147 int rc;
7148
7149 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7150 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7151 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7152
7153 return -EINVAL;
7154 }
7155 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7156 return rc;
7157}
7158
Michael Chanb6016b72005-05-26 13:03:09 -07007159static void
7160bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7161{
Michael Chan972ec0d2006-01-23 16:12:43 -08007162 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007163
7164 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7165 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7166 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7167}
7168
7169static int
7170bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7171{
Michael Chan972ec0d2006-01-23 16:12:43 -08007172 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007173
7174 bp->req_flow_ctrl = 0;
7175 if (epause->rx_pause)
7176 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7177 if (epause->tx_pause)
7178 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7179
7180 if (epause->autoneg) {
7181 bp->autoneg |= AUTONEG_FLOW_CTRL;
7182 }
7183 else {
7184 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7185 }
7186
Michael Chan9f52b562008-10-09 12:21:46 -07007187 if (netif_running(dev)) {
7188 spin_lock_bh(&bp->phy_lock);
7189 bnx2_setup_phy(bp, bp->phy_port);
7190 spin_unlock_bh(&bp->phy_lock);
7191 }
Michael Chanb6016b72005-05-26 13:03:09 -07007192
7193 return 0;
7194}
7195
7196static u32
7197bnx2_get_rx_csum(struct net_device *dev)
7198{
Michael Chan972ec0d2006-01-23 16:12:43 -08007199 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007200
7201 return bp->rx_csum;
7202}
7203
7204static int
7205bnx2_set_rx_csum(struct net_device *dev, u32 data)
7206{
Michael Chan972ec0d2006-01-23 16:12:43 -08007207 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007208
7209 bp->rx_csum = data;
7210 return 0;
7211}
7212
Michael Chanb11d6212006-06-29 12:31:21 -07007213static int
7214bnx2_set_tso(struct net_device *dev, u32 data)
7215{
Michael Chan4666f872007-05-03 13:22:28 -07007216 struct bnx2 *bp = netdev_priv(dev);
7217
7218 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07007219 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007220 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7221 dev->features |= NETIF_F_TSO6;
7222 } else
7223 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
7224 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07007225 return 0;
7226}
7227
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007228static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007229 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007230} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007231 { "rx_bytes" },
7232 { "rx_error_bytes" },
7233 { "tx_bytes" },
7234 { "tx_error_bytes" },
7235 { "rx_ucast_packets" },
7236 { "rx_mcast_packets" },
7237 { "rx_bcast_packets" },
7238 { "tx_ucast_packets" },
7239 { "tx_mcast_packets" },
7240 { "tx_bcast_packets" },
7241 { "tx_mac_errors" },
7242 { "tx_carrier_errors" },
7243 { "rx_crc_errors" },
7244 { "rx_align_errors" },
7245 { "tx_single_collisions" },
7246 { "tx_multi_collisions" },
7247 { "tx_deferred" },
7248 { "tx_excess_collisions" },
7249 { "tx_late_collisions" },
7250 { "tx_total_collisions" },
7251 { "rx_fragments" },
7252 { "rx_jabbers" },
7253 { "rx_undersize_packets" },
7254 { "rx_oversize_packets" },
7255 { "rx_64_byte_packets" },
7256 { "rx_65_to_127_byte_packets" },
7257 { "rx_128_to_255_byte_packets" },
7258 { "rx_256_to_511_byte_packets" },
7259 { "rx_512_to_1023_byte_packets" },
7260 { "rx_1024_to_1522_byte_packets" },
7261 { "rx_1523_to_9022_byte_packets" },
7262 { "tx_64_byte_packets" },
7263 { "tx_65_to_127_byte_packets" },
7264 { "tx_128_to_255_byte_packets" },
7265 { "tx_256_to_511_byte_packets" },
7266 { "tx_512_to_1023_byte_packets" },
7267 { "tx_1024_to_1522_byte_packets" },
7268 { "tx_1523_to_9022_byte_packets" },
7269 { "rx_xon_frames" },
7270 { "rx_xoff_frames" },
7271 { "tx_xon_frames" },
7272 { "tx_xoff_frames" },
7273 { "rx_mac_ctrl_frames" },
7274 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007275 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007276 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007277 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007278};
7279
Michael Chan790dab22009-08-21 16:20:47 +00007280#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7281 sizeof(bnx2_stats_str_arr[0]))
7282
Michael Chanb6016b72005-05-26 13:03:09 -07007283#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7284
Arjan van de Venf71e1302006-03-03 21:33:57 -05007285static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007286 STATS_OFFSET32(stat_IfHCInOctets_hi),
7287 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7288 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7289 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7290 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7291 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7292 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7293 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7294 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7295 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7296 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007297 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7298 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7299 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7300 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7301 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7302 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7303 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7304 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7305 STATS_OFFSET32(stat_EtherStatsCollisions),
7306 STATS_OFFSET32(stat_EtherStatsFragments),
7307 STATS_OFFSET32(stat_EtherStatsJabbers),
7308 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7309 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7310 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7311 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7312 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7313 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7314 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7315 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7316 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7317 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7318 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7319 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7320 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7321 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7322 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7323 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7324 STATS_OFFSET32(stat_XonPauseFramesReceived),
7325 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7326 STATS_OFFSET32(stat_OutXonSent),
7327 STATS_OFFSET32(stat_OutXoffSent),
7328 STATS_OFFSET32(stat_MacControlFramesReceived),
7329 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007330 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007331 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007332 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007333};
7334
7335/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7336 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007337 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007338static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007339 8,0,8,8,8,8,8,8,8,8,
7340 4,0,4,4,4,4,4,4,4,4,
7341 4,4,4,4,4,4,4,4,4,4,
7342 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007343 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007344};
7345
Michael Chan5b0c76a2005-11-04 08:45:49 -08007346static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7347 8,0,8,8,8,8,8,8,8,8,
7348 4,4,4,4,4,4,4,4,4,4,
7349 4,4,4,4,4,4,4,4,4,4,
7350 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007351 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007352};
7353
Michael Chanb6016b72005-05-26 13:03:09 -07007354#define BNX2_NUM_TESTS 6
7355
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007356static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007357 char string[ETH_GSTRING_LEN];
7358} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7359 { "register_test (offline)" },
7360 { "memory_test (offline)" },
7361 { "loopback_test (offline)" },
7362 { "nvram_test (online)" },
7363 { "interrupt_test (online)" },
7364 { "link_test (online)" },
7365};
7366
7367static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007368bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007369{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007370 switch (sset) {
7371 case ETH_SS_TEST:
7372 return BNX2_NUM_TESTS;
7373 case ETH_SS_STATS:
7374 return BNX2_NUM_STATS;
7375 default:
7376 return -EOPNOTSUPP;
7377 }
Michael Chanb6016b72005-05-26 13:03:09 -07007378}
7379
7380static void
7381bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7382{
Michael Chan972ec0d2006-01-23 16:12:43 -08007383 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007384
Michael Chan9f52b562008-10-09 12:21:46 -07007385 bnx2_set_power_state(bp, PCI_D0);
7386
Michael Chanb6016b72005-05-26 13:03:09 -07007387 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7388 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007389 int i;
7390
Michael Chan212f9932010-04-27 11:28:10 +00007391 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007392 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7393 bnx2_free_skbs(bp);
7394
7395 if (bnx2_test_registers(bp) != 0) {
7396 buf[0] = 1;
7397 etest->flags |= ETH_TEST_FL_FAILED;
7398 }
7399 if (bnx2_test_memory(bp) != 0) {
7400 buf[1] = 1;
7401 etest->flags |= ETH_TEST_FL_FAILED;
7402 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007403 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007404 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007405
Michael Chan9f52b562008-10-09 12:21:46 -07007406 if (!netif_running(bp->dev))
7407 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007408 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007409 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00007410 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007411 }
7412
7413 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007414 for (i = 0; i < 7; i++) {
7415 if (bp->link_up)
7416 break;
7417 msleep_interruptible(1000);
7418 }
Michael Chanb6016b72005-05-26 13:03:09 -07007419 }
7420
7421 if (bnx2_test_nvram(bp) != 0) {
7422 buf[3] = 1;
7423 etest->flags |= ETH_TEST_FL_FAILED;
7424 }
7425 if (bnx2_test_intr(bp) != 0) {
7426 buf[4] = 1;
7427 etest->flags |= ETH_TEST_FL_FAILED;
7428 }
7429
7430 if (bnx2_test_link(bp) != 0) {
7431 buf[5] = 1;
7432 etest->flags |= ETH_TEST_FL_FAILED;
7433
7434 }
Michael Chan9f52b562008-10-09 12:21:46 -07007435 if (!netif_running(bp->dev))
7436 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07007437}
7438
7439static void
7440bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7441{
7442 switch (stringset) {
7443 case ETH_SS_STATS:
7444 memcpy(buf, bnx2_stats_str_arr,
7445 sizeof(bnx2_stats_str_arr));
7446 break;
7447 case ETH_SS_TEST:
7448 memcpy(buf, bnx2_tests_str_arr,
7449 sizeof(bnx2_tests_str_arr));
7450 break;
7451 }
7452}
7453
Michael Chanb6016b72005-05-26 13:03:09 -07007454static void
7455bnx2_get_ethtool_stats(struct net_device *dev,
7456 struct ethtool_stats *stats, u64 *buf)
7457{
Michael Chan972ec0d2006-01-23 16:12:43 -08007458 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007459 int i;
7460 u32 *hw_stats = (u32 *) bp->stats_blk;
Michael Chan354fcd72010-01-17 07:30:44 +00007461 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007462 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007463
7464 if (hw_stats == NULL) {
7465 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7466 return;
7467 }
7468
Michael Chan5b0c76a2005-11-04 08:45:49 -08007469 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7470 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7471 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7472 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007473 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007474 else
7475 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007476
7477 for (i = 0; i < BNX2_NUM_STATS; i++) {
Michael Chan354fcd72010-01-17 07:30:44 +00007478 unsigned long offset;
7479
Michael Chanb6016b72005-05-26 13:03:09 -07007480 if (stats_len_arr[i] == 0) {
7481 /* skip this counter */
7482 buf[i] = 0;
7483 continue;
7484 }
Michael Chan354fcd72010-01-17 07:30:44 +00007485
7486 offset = bnx2_stats_offset_arr[i];
Michael Chanb6016b72005-05-26 13:03:09 -07007487 if (stats_len_arr[i] == 4) {
7488 /* 4-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007489 buf[i] = (u64) *(hw_stats + offset) +
7490 *(temp_stats + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07007491 continue;
7492 }
7493 /* 8-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007494 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7495 *(hw_stats + offset + 1) +
7496 (((u64) *(temp_stats + offset)) << 32) +
7497 *(temp_stats + offset + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007498 }
7499}
7500
7501static int
7502bnx2_phys_id(struct net_device *dev, u32 data)
7503{
Michael Chan972ec0d2006-01-23 16:12:43 -08007504 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007505 int i;
7506 u32 save;
7507
Michael Chan9f52b562008-10-09 12:21:46 -07007508 bnx2_set_power_state(bp, PCI_D0);
7509
Michael Chanb6016b72005-05-26 13:03:09 -07007510 if (data == 0)
7511 data = 2;
7512
7513 save = REG_RD(bp, BNX2_MISC_CFG);
7514 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7515
7516 for (i = 0; i < (data * 2); i++) {
7517 if ((i % 2) == 0) {
7518 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7519 }
7520 else {
7521 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7522 BNX2_EMAC_LED_1000MB_OVERRIDE |
7523 BNX2_EMAC_LED_100MB_OVERRIDE |
7524 BNX2_EMAC_LED_10MB_OVERRIDE |
7525 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7526 BNX2_EMAC_LED_TRAFFIC);
7527 }
7528 msleep_interruptible(500);
7529 if (signal_pending(current))
7530 break;
7531 }
7532 REG_WR(bp, BNX2_EMAC_LED, 0);
7533 REG_WR(bp, BNX2_MISC_CFG, save);
Michael Chan9f52b562008-10-09 12:21:46 -07007534
7535 if (!netif_running(dev))
7536 bnx2_set_power_state(bp, PCI_D3hot);
7537
Michael Chanb6016b72005-05-26 13:03:09 -07007538 return 0;
7539}
7540
Michael Chan4666f872007-05-03 13:22:28 -07007541static int
7542bnx2_set_tx_csum(struct net_device *dev, u32 data)
7543{
7544 struct bnx2 *bp = netdev_priv(dev);
7545
7546 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07007547 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07007548 else
7549 return (ethtool_op_set_tx_csum(dev, data));
7550}
7551
Jeff Garzik7282d492006-09-13 14:30:00 -04007552static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007553 .get_settings = bnx2_get_settings,
7554 .set_settings = bnx2_set_settings,
7555 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007556 .get_regs_len = bnx2_get_regs_len,
7557 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007558 .get_wol = bnx2_get_wol,
7559 .set_wol = bnx2_set_wol,
7560 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007561 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007562 .get_eeprom_len = bnx2_get_eeprom_len,
7563 .get_eeprom = bnx2_get_eeprom,
7564 .set_eeprom = bnx2_set_eeprom,
7565 .get_coalesce = bnx2_get_coalesce,
7566 .set_coalesce = bnx2_set_coalesce,
7567 .get_ringparam = bnx2_get_ringparam,
7568 .set_ringparam = bnx2_set_ringparam,
7569 .get_pauseparam = bnx2_get_pauseparam,
7570 .set_pauseparam = bnx2_set_pauseparam,
7571 .get_rx_csum = bnx2_get_rx_csum,
7572 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007573 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007574 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007575 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007576 .self_test = bnx2_self_test,
7577 .get_strings = bnx2_get_strings,
7578 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007579 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007580 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007581};
7582
7583/* Called with rtnl_lock */
7584static int
7585bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7586{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007587 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007588 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007589 int err;
7590
7591 switch(cmd) {
7592 case SIOCGMIIPHY:
7593 data->phy_id = bp->phy_addr;
7594
7595 /* fallthru */
7596 case SIOCGMIIREG: {
7597 u32 mii_regval;
7598
Michael Chan583c28e2008-01-21 19:51:35 -08007599 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007600 return -EOPNOTSUPP;
7601
Michael Chandad3e452007-05-03 13:18:03 -07007602 if (!netif_running(dev))
7603 return -EAGAIN;
7604
Michael Chanc770a652005-08-25 15:38:39 -07007605 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007606 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007607 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007608
7609 data->val_out = mii_regval;
7610
7611 return err;
7612 }
7613
7614 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007615 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007616 return -EOPNOTSUPP;
7617
Michael Chandad3e452007-05-03 13:18:03 -07007618 if (!netif_running(dev))
7619 return -EAGAIN;
7620
Michael Chanc770a652005-08-25 15:38:39 -07007621 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007622 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007623 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007624
7625 return err;
7626
7627 default:
7628 /* do nothing */
7629 break;
7630 }
7631 return -EOPNOTSUPP;
7632}
7633
7634/* Called with rtnl_lock */
7635static int
7636bnx2_change_mac_addr(struct net_device *dev, void *p)
7637{
7638 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007639 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007640
Michael Chan73eef4c2005-08-25 15:39:15 -07007641 if (!is_valid_ether_addr(addr->sa_data))
7642 return -EINVAL;
7643
Michael Chanb6016b72005-05-26 13:03:09 -07007644 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7645 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007646 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007647
7648 return 0;
7649}
7650
7651/* Called with rtnl_lock */
7652static int
7653bnx2_change_mtu(struct net_device *dev, int new_mtu)
7654{
Michael Chan972ec0d2006-01-23 16:12:43 -08007655 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007656
7657 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7658 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7659 return -EINVAL;
7660
7661 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08007662 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07007663}
7664
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00007665#ifdef CONFIG_NET_POLL_CONTROLLER
Michael Chanb6016b72005-05-26 13:03:09 -07007666static void
7667poll_bnx2(struct net_device *dev)
7668{
Michael Chan972ec0d2006-01-23 16:12:43 -08007669 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007670 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007671
Neil Hormanb2af2c12008-11-12 16:23:44 -08007672 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan1bf1e342010-03-23 13:13:12 +00007673 struct bnx2_irq *irq = &bp->irq_tbl[i];
7674
7675 disable_irq(irq->vector);
7676 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7677 enable_irq(irq->vector);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007678 }
Michael Chanb6016b72005-05-26 13:03:09 -07007679}
7680#endif
7681
Michael Chan253c8b72007-01-08 19:56:01 -08007682static void __devinit
7683bnx2_get_5709_media(struct bnx2 *bp)
7684{
7685 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7686 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7687 u32 strap;
7688
7689 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7690 return;
7691 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007692 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007693 return;
7694 }
7695
7696 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7697 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7698 else
7699 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7700
7701 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7702 switch (strap) {
7703 case 0x4:
7704 case 0x5:
7705 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007706 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007707 return;
7708 }
7709 } else {
7710 switch (strap) {
7711 case 0x1:
7712 case 0x2:
7713 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007714 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007715 return;
7716 }
7717 }
7718}
7719
Michael Chan883e5152007-05-03 13:25:11 -07007720static void __devinit
7721bnx2_get_pci_speed(struct bnx2 *bp)
7722{
7723 u32 reg;
7724
7725 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7726 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7727 u32 clkreg;
7728
David S. Millerf86e82f2008-01-21 17:15:40 -08007729 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007730
7731 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7732
7733 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7734 switch (clkreg) {
7735 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7736 bp->bus_speed_mhz = 133;
7737 break;
7738
7739 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7740 bp->bus_speed_mhz = 100;
7741 break;
7742
7743 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7744 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7745 bp->bus_speed_mhz = 66;
7746 break;
7747
7748 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7749 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7750 bp->bus_speed_mhz = 50;
7751 break;
7752
7753 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7754 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7755 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7756 bp->bus_speed_mhz = 33;
7757 break;
7758 }
7759 }
7760 else {
7761 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7762 bp->bus_speed_mhz = 66;
7763 else
7764 bp->bus_speed_mhz = 33;
7765 }
7766
7767 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007768 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007769
7770}
7771
Michael Chan76d99062009-12-03 09:46:34 +00007772static void __devinit
7773bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7774{
Matt Carlsondf25bc32010-02-26 14:04:44 +00007775 int rc, i, j;
Michael Chan76d99062009-12-03 09:46:34 +00007776 u8 *data;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007777 unsigned int block_end, rosize, len;
Michael Chan76d99062009-12-03 09:46:34 +00007778
Michael Chan012093f2009-12-03 15:58:00 -08007779#define BNX2_VPD_NVRAM_OFFSET 0x300
7780#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00007781#define BNX2_MAX_VER_SLEN 30
7782
7783 data = kmalloc(256, GFP_KERNEL);
7784 if (!data)
7785 return;
7786
Michael Chan012093f2009-12-03 15:58:00 -08007787 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7788 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00007789 if (rc)
7790 goto vpd_done;
7791
Michael Chan012093f2009-12-03 15:58:00 -08007792 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7793 data[i] = data[i + BNX2_VPD_LEN + 3];
7794 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7795 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7796 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00007797 }
7798
Matt Carlsondf25bc32010-02-26 14:04:44 +00007799 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
7800 if (i < 0)
Michael Chan76d99062009-12-03 09:46:34 +00007801 goto vpd_done;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007802
7803 rosize = pci_vpd_lrdt_size(&data[i]);
7804 i += PCI_VPD_LRDT_TAG_SIZE;
7805 block_end = i + rosize;
7806
7807 if (block_end > BNX2_VPD_LEN)
7808 goto vpd_done;
7809
7810 j = pci_vpd_find_info_keyword(data, i, rosize,
7811 PCI_VPD_RO_KEYWORD_MFR_ID);
7812 if (j < 0)
7813 goto vpd_done;
7814
7815 len = pci_vpd_info_field_size(&data[j]);
7816
7817 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7818 if (j + len > block_end || len != 4 ||
7819 memcmp(&data[j], "1028", 4))
7820 goto vpd_done;
7821
7822 j = pci_vpd_find_info_keyword(data, i, rosize,
7823 PCI_VPD_RO_KEYWORD_VENDOR0);
7824 if (j < 0)
7825 goto vpd_done;
7826
7827 len = pci_vpd_info_field_size(&data[j]);
7828
7829 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7830 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
7831 goto vpd_done;
7832
7833 memcpy(bp->fw_version, &data[j], len);
7834 bp->fw_version[len] = ' ';
Michael Chan76d99062009-12-03 09:46:34 +00007835
7836vpd_done:
7837 kfree(data);
7838}
7839
Michael Chanb6016b72005-05-26 13:03:09 -07007840static int __devinit
7841bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7842{
7843 struct bnx2 *bp;
7844 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007845 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007846 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007847 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007848
Michael Chanb6016b72005-05-26 13:03:09 -07007849 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007850 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007851
7852 bp->flags = 0;
7853 bp->phy_flags = 0;
7854
Michael Chan354fcd72010-01-17 07:30:44 +00007855 bp->temp_stats_blk =
7856 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
7857
7858 if (bp->temp_stats_blk == NULL) {
7859 rc = -ENOMEM;
7860 goto err_out;
7861 }
7862
Michael Chanb6016b72005-05-26 13:03:09 -07007863 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7864 rc = pci_enable_device(pdev);
7865 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007866 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007867 goto err_out;
7868 }
7869
7870 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007871 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007872 "Cannot find PCI device base address, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007873 rc = -ENODEV;
7874 goto err_out_disable;
7875 }
7876
7877 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7878 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007879 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007880 goto err_out_disable;
7881 }
7882
7883 pci_set_master(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007884 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007885
7886 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7887 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007888 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007889 "Cannot find power management capability, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007890 rc = -EIO;
7891 goto err_out_release;
7892 }
7893
Michael Chanb6016b72005-05-26 13:03:09 -07007894 bp->dev = dev;
7895 bp->pdev = pdev;
7896
7897 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007898 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00007899#ifdef BCM_CNIC
7900 mutex_init(&bp->cnic_lock);
7901#endif
David Howellsc4028952006-11-22 14:57:56 +00007902 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007903
7904 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan4edd4732009-06-08 18:14:42 -07007905 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007906 dev->mem_end = dev->mem_start + mem_len;
7907 dev->irq = pdev->irq;
7908
7909 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7910
7911 if (!bp->regview) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007912 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007913 rc = -ENOMEM;
7914 goto err_out_release;
7915 }
7916
7917 /* Configure byte swap and enable write to the reg_window registers.
7918 * Rely on CPU to do target byte swapping on big endian systems
7919 * The chip's target access swapping will not swap all accesses
7920 */
7921 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7922 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7923 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7924
Pavel Machek829ca9a2005-09-03 15:56:56 -07007925 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007926
7927 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7928
Michael Chan883e5152007-05-03 13:25:11 -07007929 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7930 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7931 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007932 "Cannot find PCIE capability, aborting\n");
Michael Chan883e5152007-05-03 13:25:11 -07007933 rc = -EIO;
7934 goto err_out_unmap;
7935 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007936 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007937 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007938 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007939 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007940 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7941 if (bp->pcix_cap == 0) {
7942 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007943 "Cannot find PCIX capability, aborting\n");
Michael Chan59b47d82006-11-19 14:10:45 -08007944 rc = -EIO;
7945 goto err_out_unmap;
7946 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00007947 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08007948 }
7949
Michael Chanb4b36042007-12-20 19:59:30 -08007950 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7951 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007952 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007953 }
7954
Michael Chan8e6a72c2007-05-03 13:24:48 -07007955 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7956 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007957 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007958 }
7959
Michael Chan40453c82007-05-03 13:19:18 -07007960 /* 5708 cannot support DMA addresses > 40-bit. */
7961 if (CHIP_NUM(bp) == CHIP_NUM_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07007962 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07007963 else
Yang Hongyang6a355282009-04-06 19:01:13 -07007964 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07007965
7966 /* Configure DMA attributes. */
7967 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7968 dev->features |= NETIF_F_HIGHDMA;
7969 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7970 if (rc) {
7971 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007972 "pci_set_consistent_dma_mask failed, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007973 goto err_out_unmap;
7974 }
Yang Hongyang284901a2009-04-06 19:01:15 -07007975 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007976 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007977 goto err_out_unmap;
7978 }
7979
David S. Millerf86e82f2008-01-21 17:15:40 -08007980 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007981 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007982
7983 /* 5706A0 may falsely detect SERR and PERR. */
7984 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7985 reg = REG_RD(bp, PCI_COMMAND);
7986 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7987 REG_WR(bp, PCI_COMMAND, reg);
7988 }
7989 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007990 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007991
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007992 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007993 "5706 A1 can only be used in a PCIX bus, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007994 goto err_out_unmap;
7995 }
7996
7997 bnx2_init_nvram(bp);
7998
Michael Chan2726d6e2008-01-29 21:35:05 -08007999 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08008000
8001 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08008002 BNX2_SHM_HDR_SIGNATURE_SIG) {
8003 u32 off = PCI_FUNC(pdev->devfn) << 2;
8004
Michael Chan2726d6e2008-01-29 21:35:05 -08008005 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08008006 } else
Michael Chane3648b32005-11-04 08:51:21 -08008007 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8008
Michael Chanb6016b72005-05-26 13:03:09 -07008009 /* Get the permanent MAC address. First we need to make sure the
8010 * firmware is actually running.
8011 */
Michael Chan2726d6e2008-01-29 21:35:05 -08008012 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07008013
8014 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8015 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008016 dev_err(&pdev->dev, "Firmware not running, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008017 rc = -ENODEV;
8018 goto err_out_unmap;
8019 }
8020
Michael Chan76d99062009-12-03 09:46:34 +00008021 bnx2_read_vpd_fw_ver(bp);
8022
8023 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08008024 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00008025 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07008026 u8 num, k, skip0;
8027
Michael Chan76d99062009-12-03 09:46:34 +00008028 if (i == 0) {
8029 bp->fw_version[j++] = 'b';
8030 bp->fw_version[j++] = 'c';
8031 bp->fw_version[j++] = ' ';
8032 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008033 num = (u8) (reg >> (24 - (i * 8)));
8034 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8035 if (num >= k || !skip0 || k == 1) {
8036 bp->fw_version[j++] = (num / k) + '0';
8037 skip0 = 0;
8038 }
8039 }
8040 if (i != 2)
8041 bp->fw_version[j++] = '.';
8042 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008043 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008044 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8045 bp->wol = 1;
8046
8047 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008048 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008049
8050 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008051 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008052 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8053 break;
8054 msleep(10);
8055 }
8056 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008057 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008058 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8059 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8060 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008061 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008062
Michael Chan76d99062009-12-03 09:46:34 +00008063 if (j < 32)
8064 bp->fw_version[j++] = ' ';
8065 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008066 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008067 reg = swab32(reg);
8068 memcpy(&bp->fw_version[j], &reg, 4);
8069 j += 4;
8070 }
8071 }
Michael Chanb6016b72005-05-26 13:03:09 -07008072
Michael Chan2726d6e2008-01-29 21:35:05 -08008073 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008074 bp->mac_addr[0] = (u8) (reg >> 8);
8075 bp->mac_addr[1] = (u8) reg;
8076
Michael Chan2726d6e2008-01-29 21:35:05 -08008077 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008078 bp->mac_addr[2] = (u8) (reg >> 24);
8079 bp->mac_addr[3] = (u8) (reg >> 16);
8080 bp->mac_addr[4] = (u8) (reg >> 8);
8081 bp->mac_addr[5] = (u8) reg;
8082
8083 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008084 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008085
8086 bp->rx_csum = 1;
8087
Michael Chancf7474a2009-08-21 16:20:48 +00008088 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008089 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008090 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008091 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008092
Michael Chancf7474a2009-08-21 16:20:48 +00008093 bp->rx_quick_cons_trip_int = 2;
8094 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008095 bp->rx_ticks_int = 18;
8096 bp->rx_ticks = 18;
8097
Michael Chan7ea69202007-07-16 18:27:10 -07008098 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008099
Benjamin Liac392ab2008-09-18 16:40:49 -07008100 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008101
Michael Chan5b0c76a2005-11-04 08:45:49 -08008102 bp->phy_addr = 1;
8103
Michael Chanb6016b72005-05-26 13:03:09 -07008104 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08008105 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8106 bnx2_get_5709_media(bp);
8107 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008108 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008109
Michael Chan0d8a6572007-07-07 22:49:43 -07008110 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008111 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008112 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008113 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008114 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008115 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008116 bp->wol = 0;
8117 }
Michael Chan38ea3682008-02-23 19:48:57 -08008118 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8119 /* Don't do parallel detect on this board because of
8120 * some board problems. The link will not go down
8121 * if we do parallel detect.
8122 */
8123 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8124 pdev->subsystem_device == 0x310c)
8125 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8126 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008127 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008128 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008129 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008130 }
Michael Chan261dd5c2007-01-08 19:55:46 -08008131 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8132 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008133 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08008134 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8135 (CHIP_REV(bp) == CHIP_REV_Ax ||
8136 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008137 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008138
Michael Chan7c62e832008-07-14 22:39:03 -07008139 bnx2_init_fw_cap(bp);
8140
Michael Chan16088272006-06-12 22:16:43 -07008141 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8142 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan5ec6d7b2008-11-12 16:01:41 -08008143 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8144 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008145 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008146 bp->wol = 0;
8147 }
Michael Chandda1e392006-01-23 16:08:14 -08008148
Michael Chanb6016b72005-05-26 13:03:09 -07008149 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8150 bp->tx_quick_cons_trip_int =
8151 bp->tx_quick_cons_trip;
8152 bp->tx_ticks_int = bp->tx_ticks;
8153 bp->rx_quick_cons_trip_int =
8154 bp->rx_quick_cons_trip;
8155 bp->rx_ticks_int = bp->rx_ticks;
8156 bp->comp_prod_trip_int = bp->comp_prod_trip;
8157 bp->com_ticks_int = bp->com_ticks;
8158 bp->cmd_ticks_int = bp->cmd_ticks;
8159 }
8160
Michael Chanf9317a42006-09-29 17:06:23 -07008161 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8162 *
8163 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8164 * with byte enables disabled on the unused 32-bit word. This is legal
8165 * but causes problems on the AMD 8132 which will eventually stop
8166 * responding after a while.
8167 *
8168 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008169 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008170 */
8171 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8172 struct pci_dev *amd_8132 = NULL;
8173
8174 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8175 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8176 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008177
Auke Kok44c10132007-06-08 15:46:36 -07008178 if (amd_8132->revision >= 0x10 &&
8179 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008180 disable_msi = 1;
8181 pci_dev_put(amd_8132);
8182 break;
8183 }
8184 }
8185 }
8186
Michael Chandeaf3912007-07-07 22:48:00 -07008187 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008188 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8189
Michael Chancd339a02005-08-25 15:35:24 -07008190 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008191 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008192 bp->timer.data = (unsigned long) bp;
8193 bp->timer.function = bnx2_timer;
8194
Michael Chanb6016b72005-05-26 13:03:09 -07008195 return 0;
8196
8197err_out_unmap:
8198 if (bp->regview) {
8199 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07008200 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008201 }
8202
8203err_out_release:
8204 pci_release_regions(pdev);
8205
8206err_out_disable:
8207 pci_disable_device(pdev);
8208 pci_set_drvdata(pdev, NULL);
8209
8210err_out:
8211 return rc;
8212}
8213
Michael Chan883e5152007-05-03 13:25:11 -07008214static char * __devinit
8215bnx2_bus_string(struct bnx2 *bp, char *str)
8216{
8217 char *s = str;
8218
David S. Millerf86e82f2008-01-21 17:15:40 -08008219 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008220 s += sprintf(s, "PCI Express");
8221 } else {
8222 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008223 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008224 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008225 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008226 s += sprintf(s, " 32-bit");
8227 else
8228 s += sprintf(s, " 64-bit");
8229 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8230 }
8231 return str;
8232}
8233
Michael Chan2ba582b2007-12-21 15:04:49 -08008234static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08008235bnx2_init_napi(struct bnx2 *bp)
8236{
Michael Chanb4b36042007-12-20 19:59:30 -08008237 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008238
Benjamin Li4327ba42010-03-23 13:13:11 +00008239 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008240 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8241 int (*poll)(struct napi_struct *, int);
8242
8243 if (i == 0)
8244 poll = bnx2_poll;
8245 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008246 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008247
8248 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008249 bnapi->bp = bp;
8250 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008251}
8252
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008253static const struct net_device_ops bnx2_netdev_ops = {
8254 .ndo_open = bnx2_open,
8255 .ndo_start_xmit = bnx2_start_xmit,
8256 .ndo_stop = bnx2_close,
8257 .ndo_get_stats = bnx2_get_stats,
8258 .ndo_set_rx_mode = bnx2_set_rx_mode,
8259 .ndo_do_ioctl = bnx2_ioctl,
8260 .ndo_validate_addr = eth_validate_addr,
8261 .ndo_set_mac_address = bnx2_change_mac_addr,
8262 .ndo_change_mtu = bnx2_change_mtu,
8263 .ndo_tx_timeout = bnx2_tx_timeout,
8264#ifdef BCM_VLAN
8265 .ndo_vlan_rx_register = bnx2_vlan_rx_register,
8266#endif
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008267#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008268 .ndo_poll_controller = poll_bnx2,
8269#endif
8270};
8271
Eric Dumazet72dccb02009-07-23 02:01:38 +00008272static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
8273{
8274#ifdef BCM_VLAN
8275 dev->vlan_features |= flags;
8276#endif
8277}
8278
Michael Chan35efa7c2007-12-20 19:56:37 -08008279static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07008280bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8281{
8282 static int version_printed = 0;
8283 struct net_device *dev = NULL;
8284 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008285 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008286 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008287
8288 if (version_printed++ == 0)
Joe Perches3a9c6a42010-02-17 15:01:51 +00008289 pr_info("%s", version);
Michael Chanb6016b72005-05-26 13:03:09 -07008290
8291 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008292 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008293
8294 if (!dev)
8295 return -ENOMEM;
8296
8297 rc = bnx2_init_board(pdev, dev);
8298 if (rc < 0) {
8299 free_netdev(dev);
8300 return rc;
8301 }
8302
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008303 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008304 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008305 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008306
Michael Chan972ec0d2006-01-23 16:12:43 -08008307 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008308
Michael Chan1b2f9222007-05-03 13:20:19 -07008309 pci_set_drvdata(pdev, dev);
8310
Michael Chan57579f72009-04-04 16:51:14 -07008311 rc = bnx2_request_firmware(bp);
8312 if (rc)
8313 goto error;
8314
Michael Chan1b2f9222007-05-03 13:20:19 -07008315 memcpy(dev->dev_addr, bp->mac_addr, 6);
8316 memcpy(dev->perm_addr, bp->mac_addr, 6);
Michael Chan1b2f9222007-05-03 13:20:19 -07008317
Michael Chanc67938a2010-05-06 08:58:12 +00008318 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008319 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
8320 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008321 dev->features |= NETIF_F_IPV6_CSUM;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008322 vlan_features_add(dev, NETIF_F_IPV6_CSUM);
8323 }
Michael Chan1b2f9222007-05-03 13:20:19 -07008324#ifdef BCM_VLAN
8325 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
8326#endif
8327 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008328 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
8329 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Michael Chan4666f872007-05-03 13:22:28 -07008330 dev->features |= NETIF_F_TSO6;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008331 vlan_features_add(dev, NETIF_F_TSO6);
8332 }
Michael Chanb6016b72005-05-26 13:03:09 -07008333 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008334 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008335 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008336 }
8337
Joe Perches3a9c6a42010-02-17 15:01:51 +00008338 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
8339 board_info[ent->driver_data].name,
8340 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8341 ((CHIP_ID(bp) & 0x0ff0) >> 4),
8342 bnx2_bus_string(bp, str),
8343 dev->base_addr,
8344 bp->pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008345
Michael Chanb6016b72005-05-26 13:03:09 -07008346 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008347
8348error:
8349 if (bp->mips_firmware)
8350 release_firmware(bp->mips_firmware);
8351 if (bp->rv2p_firmware)
8352 release_firmware(bp->rv2p_firmware);
8353
8354 if (bp->regview)
8355 iounmap(bp->regview);
8356 pci_release_regions(pdev);
8357 pci_disable_device(pdev);
8358 pci_set_drvdata(pdev, NULL);
8359 free_netdev(dev);
8360 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008361}
8362
8363static void __devexit
8364bnx2_remove_one(struct pci_dev *pdev)
8365{
8366 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008367 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008368
Michael Chanafdc08b2005-08-25 15:34:29 -07008369 flush_scheduled_work();
8370
Michael Chanb6016b72005-05-26 13:03:09 -07008371 unregister_netdev(dev);
8372
Michael Chan57579f72009-04-04 16:51:14 -07008373 if (bp->mips_firmware)
8374 release_firmware(bp->mips_firmware);
8375 if (bp->rv2p_firmware)
8376 release_firmware(bp->rv2p_firmware);
8377
Michael Chanb6016b72005-05-26 13:03:09 -07008378 if (bp->regview)
8379 iounmap(bp->regview);
8380
Michael Chan354fcd72010-01-17 07:30:44 +00008381 kfree(bp->temp_stats_blk);
8382
Michael Chanb6016b72005-05-26 13:03:09 -07008383 free_netdev(dev);
8384 pci_release_regions(pdev);
8385 pci_disable_device(pdev);
8386 pci_set_drvdata(pdev, NULL);
8387}
8388
8389static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07008390bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07008391{
8392 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008393 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008394
Michael Chan6caebb02007-08-03 20:57:25 -07008395 /* PCI register 4 needs to be saved whether netif_running() or not.
8396 * MSI address and data need to be saved if using MSI and
8397 * netif_running().
8398 */
8399 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008400 if (!netif_running(dev))
8401 return 0;
8402
Michael Chan1d60290f2006-03-20 17:50:08 -08008403 flush_scheduled_work();
Michael Chan212f9932010-04-27 11:28:10 +00008404 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008405 netif_device_detach(dev);
8406 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07008407 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008408 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07008409 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07008410 return 0;
8411}
8412
8413static int
8414bnx2_resume(struct pci_dev *pdev)
8415{
8416 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008417 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008418
Michael Chan6caebb02007-08-03 20:57:25 -07008419 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008420 if (!netif_running(dev))
8421 return 0;
8422
Pavel Machek829ca9a2005-09-03 15:56:56 -07008423 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008424 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07008425 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00008426 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008427 return 0;
8428}
8429
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008430/**
8431 * bnx2_io_error_detected - called when PCI error is detected
8432 * @pdev: Pointer to PCI device
8433 * @state: The current pci connection state
8434 *
8435 * This function is called after a PCI bus error affecting
8436 * this device has been detected.
8437 */
8438static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8439 pci_channel_state_t state)
8440{
8441 struct net_device *dev = pci_get_drvdata(pdev);
8442 struct bnx2 *bp = netdev_priv(dev);
8443
8444 rtnl_lock();
8445 netif_device_detach(dev);
8446
Dean Nelson2ec3de22009-07-31 09:13:18 +00008447 if (state == pci_channel_io_perm_failure) {
8448 rtnl_unlock();
8449 return PCI_ERS_RESULT_DISCONNECT;
8450 }
8451
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008452 if (netif_running(dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00008453 bnx2_netif_stop(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008454 del_timer_sync(&bp->timer);
8455 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8456 }
8457
8458 pci_disable_device(pdev);
8459 rtnl_unlock();
8460
8461 /* Request a slot slot reset. */
8462 return PCI_ERS_RESULT_NEED_RESET;
8463}
8464
8465/**
8466 * bnx2_io_slot_reset - called after the pci bus has been reset.
8467 * @pdev: Pointer to PCI device
8468 *
8469 * Restart the card from scratch, as if from a cold-boot.
8470 */
8471static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8472{
8473 struct net_device *dev = pci_get_drvdata(pdev);
8474 struct bnx2 *bp = netdev_priv(dev);
8475
8476 rtnl_lock();
8477 if (pci_enable_device(pdev)) {
8478 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008479 "Cannot re-enable PCI device after reset\n");
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008480 rtnl_unlock();
8481 return PCI_ERS_RESULT_DISCONNECT;
8482 }
8483 pci_set_master(pdev);
8484 pci_restore_state(pdev);
Breno Leitao529fab62009-11-26 07:31:49 +00008485 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008486
8487 if (netif_running(dev)) {
8488 bnx2_set_power_state(bp, PCI_D0);
8489 bnx2_init_nic(bp, 1);
8490 }
8491
8492 rtnl_unlock();
8493 return PCI_ERS_RESULT_RECOVERED;
8494}
8495
8496/**
8497 * bnx2_io_resume - called when traffic can start flowing again.
8498 * @pdev: Pointer to PCI device
8499 *
8500 * This callback is called when the error recovery driver tells us that
8501 * its OK to resume normal operation.
8502 */
8503static void bnx2_io_resume(struct pci_dev *pdev)
8504{
8505 struct net_device *dev = pci_get_drvdata(pdev);
8506 struct bnx2 *bp = netdev_priv(dev);
8507
8508 rtnl_lock();
8509 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00008510 bnx2_netif_start(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008511
8512 netif_device_attach(dev);
8513 rtnl_unlock();
8514}
8515
8516static struct pci_error_handlers bnx2_err_handler = {
8517 .error_detected = bnx2_io_error_detected,
8518 .slot_reset = bnx2_io_slot_reset,
8519 .resume = bnx2_io_resume,
8520};
8521
Michael Chanb6016b72005-05-26 13:03:09 -07008522static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008523 .name = DRV_MODULE_NAME,
8524 .id_table = bnx2_pci_tbl,
8525 .probe = bnx2_init_one,
8526 .remove = __devexit_p(bnx2_remove_one),
8527 .suspend = bnx2_suspend,
8528 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008529 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07008530};
8531
8532static int __init bnx2_init(void)
8533{
Jeff Garzik29917622006-08-19 17:48:59 -04008534 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07008535}
8536
8537static void __exit bnx2_cleanup(void)
8538{
8539 pci_unregister_driver(&bnx2_pci_driver);
8540}
8541
8542module_init(bnx2_init);
8543module_exit(bnx2_cleanup);
8544
8545
8546