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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 Dumazetc70798572009-11-02 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 Dumazetc70798572009-11-02 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;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002722 dma_unmap_addr_set(rx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07002723
2724 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2725 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2726
Michael Chanbb4f98a2008-06-19 16:38:19 -07002727 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002728
2729 return 0;
2730}
2731
Michael Chanda3e4fb2007-05-03 13:24:23 -07002732static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002733bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002734{
Michael Chan43e80b82008-06-19 16:41:08 -07002735 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002736 u32 new_link_state, old_link_state;
2737 int is_set = 1;
2738
2739 new_link_state = sblk->status_attn_bits & event;
2740 old_link_state = sblk->status_attn_bits_ack & event;
2741 if (new_link_state != old_link_state) {
2742 if (new_link_state)
2743 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2744 else
2745 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2746 } else
2747 is_set = 0;
2748
2749 return is_set;
2750}
2751
Michael Chanb6016b72005-05-26 13:03:09 -07002752static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002753bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002754{
Michael Chan74ecc62d2008-05-02 16:56:16 -07002755 spin_lock(&bp->phy_lock);
2756
2757 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002758 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002759 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002760 bnx2_set_remote_link(bp);
2761
Michael Chan74ecc62d2008-05-02 16:56:16 -07002762 spin_unlock(&bp->phy_lock);
2763
Michael Chanb6016b72005-05-26 13:03:09 -07002764}
2765
Michael Chanead72702007-12-20 19:55:39 -08002766static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002767bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002768{
2769 u16 cons;
2770
Michael Chan43e80b82008-06-19 16:41:08 -07002771 /* Tell compiler that status block fields can change. */
2772 barrier();
2773 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002774 barrier();
Michael Chanead72702007-12-20 19:55:39 -08002775 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2776 cons++;
2777 return cons;
2778}
2779
Michael Chan57851d82007-12-20 20:01:44 -08002780static int
2781bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002782{
Michael Chan35e90102008-06-19 16:37:42 -07002783 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002784 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002785 int tx_pkt = 0, index;
2786 struct netdev_queue *txq;
2787
2788 index = (bnapi - bp->bnx2_napi);
2789 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002790
Michael Chan35efa7c2007-12-20 19:56:37 -08002791 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002792 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002793
2794 while (sw_cons != hw_cons) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002795 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002796 struct sk_buff *skb;
2797 int i, last;
2798
2799 sw_ring_cons = TX_RING_IDX(sw_cons);
2800
Michael Chan35e90102008-06-19 16:37:42 -07002801 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002802 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002803
Eric Dumazetd62fda02009-05-12 20:48:02 +00002804 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2805 prefetch(&skb->end);
2806
Michael Chanb6016b72005-05-26 13:03:09 -07002807 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002808 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002809 u16 last_idx, last_ring_idx;
2810
Eric Dumazetd62fda02009-05-12 20:48:02 +00002811 last_idx = sw_cons + tx_buf->nr_frags + 1;
2812 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07002813 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2814 last_idx++;
2815 }
2816 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2817 break;
2818 }
2819 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002820
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002821 pci_unmap_single(bp->pdev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00002822 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002823
2824 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002825 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002826
2827 for (i = 0; i < last; i++) {
2828 sw_cons = NEXT_TX_BD(sw_cons);
Alexander Duycke95524a2009-12-02 16:47:57 +00002829
2830 pci_unmap_page(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002831 dma_unmap_addr(
Alexander Duycke95524a2009-12-02 16:47:57 +00002832 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2833 mapping),
2834 skb_shinfo(skb)->frags[i].size,
2835 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002836 }
2837
2838 sw_cons = NEXT_TX_BD(sw_cons);
2839
Michael Chan745720e2006-06-29 12:37:41 -07002840 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002841 tx_pkt++;
2842 if (tx_pkt == budget)
2843 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002844
Eric Dumazetd62fda02009-05-12 20:48:02 +00002845 if (hw_cons == sw_cons)
2846 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002847 }
2848
Michael Chan35e90102008-06-19 16:37:42 -07002849 txr->hw_tx_cons = hw_cons;
2850 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002851
Michael Chan2f8af122006-08-15 01:39:10 -07002852 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002853 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002854 * memory barrier, there is a small possibility that bnx2_start_xmit()
2855 * will miss it and cause the queue to be stopped forever.
2856 */
2857 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002858
Benjamin Li706bf242008-07-18 17:55:11 -07002859 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002860 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002861 __netif_tx_lock(txq, smp_processor_id());
2862 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002863 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002864 netif_tx_wake_queue(txq);
2865 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002866 }
Benjamin Li706bf242008-07-18 17:55:11 -07002867
Michael Chan57851d82007-12-20 20:01:44 -08002868 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002869}
2870
Michael Chan1db82f22007-12-12 11:19:35 -08002871static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002872bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002873 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002874{
2875 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2876 struct rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002877 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002878 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002879 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002880
Benjamin Li3d16af82008-10-09 12:26:41 -07002881 cons_rx_pg = &rxr->rx_pg_ring[cons];
2882
2883 /* The caller was unable to allocate a new page to replace the
2884 * last one in the frags array, so we need to recycle that page
2885 * and then free the skb.
2886 */
2887 if (skb) {
2888 struct page *page;
2889 struct skb_shared_info *shinfo;
2890
2891 shinfo = skb_shinfo(skb);
2892 shinfo->nr_frags--;
2893 page = shinfo->frags[shinfo->nr_frags].page;
2894 shinfo->frags[shinfo->nr_frags].page = NULL;
2895
2896 cons_rx_pg->page = page;
2897 dev_kfree_skb(skb);
2898 }
2899
2900 hw_prod = rxr->rx_pg_prod;
2901
Michael Chan1db82f22007-12-12 11:19:35 -08002902 for (i = 0; i < count; i++) {
2903 prod = RX_PG_RING_IDX(hw_prod);
2904
Michael Chanbb4f98a2008-06-19 16:38:19 -07002905 prod_rx_pg = &rxr->rx_pg_ring[prod];
2906 cons_rx_pg = &rxr->rx_pg_ring[cons];
2907 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2908 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002909
Michael Chan1db82f22007-12-12 11:19:35 -08002910 if (prod != cons) {
2911 prod_rx_pg->page = cons_rx_pg->page;
2912 cons_rx_pg->page = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002913 dma_unmap_addr_set(prod_rx_pg, mapping,
2914 dma_unmap_addr(cons_rx_pg, mapping));
Michael Chan1db82f22007-12-12 11:19:35 -08002915
2916 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2917 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2918
2919 }
2920 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2921 hw_prod = NEXT_RX_BD(hw_prod);
2922 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002923 rxr->rx_pg_prod = hw_prod;
2924 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002925}
2926
Michael Chanb6016b72005-05-26 13:03:09 -07002927static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002928bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2929 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002930{
Michael Chan236b6392006-03-20 17:49:02 -08002931 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2932 struct rx_bd *cons_bd, *prod_bd;
2933
Michael Chanbb4f98a2008-06-19 16:38:19 -07002934 cons_rx_buf = &rxr->rx_buf_ring[cons];
2935 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002936
2937 pci_dma_sync_single_for_device(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002938 dma_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002939 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002940
Michael Chanbb4f98a2008-06-19 16:38:19 -07002941 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002942
2943 prod_rx_buf->skb = skb;
2944
2945 if (cons == prod)
2946 return;
2947
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002948 dma_unmap_addr_set(prod_rx_buf, mapping,
2949 dma_unmap_addr(cons_rx_buf, mapping));
Michael Chanb6016b72005-05-26 13:03:09 -07002950
Michael Chanbb4f98a2008-06-19 16:38:19 -07002951 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2952 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002953 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2954 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002955}
2956
Michael Chan85833c62007-12-12 11:17:01 -08002957static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002958bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002959 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2960 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002961{
2962 int err;
2963 u16 prod = ring_idx & 0xffff;
2964
Michael Chanbb4f98a2008-06-19 16:38:19 -07002965 err = bnx2_alloc_rx_skb(bp, rxr, prod);
Michael Chan85833c62007-12-12 11:17:01 -08002966 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002967 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002968 if (hdr_len) {
2969 unsigned int raw_len = len + 4;
2970 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2971
Michael Chanbb4f98a2008-06-19 16:38:19 -07002972 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002973 }
Michael Chan85833c62007-12-12 11:17:01 -08002974 return err;
2975 }
2976
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002977 skb_reserve(skb, BNX2_RX_OFFSET);
Michael Chan85833c62007-12-12 11:17:01 -08002978 pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
2979 PCI_DMA_FROMDEVICE);
2980
Michael Chan1db82f22007-12-12 11:19:35 -08002981 if (hdr_len == 0) {
2982 skb_put(skb, len);
2983 return 0;
2984 } else {
2985 unsigned int i, frag_len, frag_size, pages;
2986 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002987 u16 pg_cons = rxr->rx_pg_cons;
2988 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002989
2990 frag_size = len + 4 - hdr_len;
2991 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2992 skb_put(skb, hdr_len);
2993
2994 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002995 dma_addr_t mapping_old;
2996
Michael Chan1db82f22007-12-12 11:19:35 -08002997 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2998 if (unlikely(frag_len <= 4)) {
2999 unsigned int tail = 4 - frag_len;
3000
Michael Chanbb4f98a2008-06-19 16:38:19 -07003001 rxr->rx_pg_cons = pg_cons;
3002 rxr->rx_pg_prod = pg_prod;
3003 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08003004 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003005 skb->len -= tail;
3006 if (i == 0) {
3007 skb->tail -= tail;
3008 } else {
3009 skb_frag_t *frag =
3010 &skb_shinfo(skb)->frags[i - 1];
3011 frag->size -= tail;
3012 skb->data_len -= tail;
3013 skb->truesize -= tail;
3014 }
3015 return 0;
3016 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003017 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003018
Benjamin Li3d16af82008-10-09 12:26:41 -07003019 /* Don't unmap yet. If we're unable to allocate a new
3020 * page, we need to recycle the page and the DMA addr.
3021 */
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003022 mapping_old = dma_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003023 if (i == pages - 1)
3024 frag_len -= 4;
3025
3026 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3027 rx_pg->page = NULL;
3028
Michael Chanbb4f98a2008-06-19 16:38:19 -07003029 err = bnx2_alloc_rx_page(bp, rxr,
3030 RX_PG_RING_IDX(pg_prod));
Michael Chan1db82f22007-12-12 11:19:35 -08003031 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003032 rxr->rx_pg_cons = pg_cons;
3033 rxr->rx_pg_prod = pg_prod;
3034 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003035 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003036 return err;
3037 }
3038
Benjamin Li3d16af82008-10-09 12:26:41 -07003039 pci_unmap_page(bp->pdev, mapping_old,
3040 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3041
Michael Chan1db82f22007-12-12 11:19:35 -08003042 frag_size -= frag_len;
3043 skb->data_len += frag_len;
3044 skb->truesize += frag_len;
3045 skb->len += frag_len;
3046
3047 pg_prod = NEXT_RX_BD(pg_prod);
3048 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3049 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003050 rxr->rx_pg_prod = pg_prod;
3051 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003052 }
Michael Chan85833c62007-12-12 11:17:01 -08003053 return 0;
3054}
3055
Michael Chanc09c2622007-12-10 17:18:37 -08003056static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003057bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003058{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003059 u16 cons;
3060
Michael Chan43e80b82008-06-19 16:41:08 -07003061 /* Tell compiler that status block fields can change. */
3062 barrier();
3063 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003064 barrier();
Michael Chanc09c2622007-12-10 17:18:37 -08003065 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3066 cons++;
3067 return cons;
3068}
3069
Michael Chanb6016b72005-05-26 13:03:09 -07003070static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003071bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003072{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003073 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003074 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3075 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003076 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003077
Michael Chan35efa7c2007-12-20 19:56:37 -08003078 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003079 sw_cons = rxr->rx_cons;
3080 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003081
3082 /* Memory barrier necessary as speculative reads of the rx
3083 * buffer can be ahead of the index in the status block
3084 */
3085 rmb();
3086 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003087 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003088 u32 status;
Michael Chanb6016b72005-05-26 13:03:09 -07003089 struct sw_bd *rx_buf;
3090 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003091 dma_addr_t dma_addr;
Michael Chanf22828e2008-08-14 15:30:14 -07003092 u16 vtag = 0;
3093 int hw_vlan __maybe_unused = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003094
3095 sw_ring_cons = RX_RING_IDX(sw_cons);
3096 sw_ring_prod = RX_RING_IDX(sw_prod);
3097
Michael Chanbb4f98a2008-06-19 16:38:19 -07003098 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07003099 skb = rx_buf->skb;
Michael Chan236b6392006-03-20 17:49:02 -08003100
3101 rx_buf->skb = NULL;
3102
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003103 dma_addr = dma_unmap_addr(rx_buf, mapping);
Michael Chan236b6392006-03-20 17:49:02 -08003104
3105 pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003106 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3107 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003108
3109 rx_hdr = (struct l2_fhdr *) skb->data;
Michael Chan1db82f22007-12-12 11:19:35 -08003110 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003111 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003112
Michael Chan1db82f22007-12-12 11:19:35 -08003113 hdr_len = 0;
3114 if (status & L2_FHDR_STATUS_SPLIT) {
3115 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3116 pg_ring_used = 1;
3117 } else if (len > bp->rx_jumbo_thresh) {
3118 hdr_len = bp->rx_jumbo_thresh;
3119 pg_ring_used = 1;
3120 }
3121
Michael Chan990ec382009-02-12 16:54:13 -08003122 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3123 L2_FHDR_ERRORS_PHY_DECODE |
3124 L2_FHDR_ERRORS_ALIGNMENT |
3125 L2_FHDR_ERRORS_TOO_SHORT |
3126 L2_FHDR_ERRORS_GIANT_FRAME))) {
3127
3128 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3129 sw_ring_prod);
3130 if (pg_ring_used) {
3131 int pages;
3132
3133 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3134
3135 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3136 }
3137 goto next_rx;
3138 }
3139
Michael Chan1db82f22007-12-12 11:19:35 -08003140 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003141
Michael Chan5d5d0012007-12-12 11:17:43 -08003142 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07003143 struct sk_buff *new_skb;
3144
Michael Chanf22828e2008-08-14 15:30:14 -07003145 new_skb = netdev_alloc_skb(bp->dev, len + 6);
Michael Chan85833c62007-12-12 11:17:01 -08003146 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003147 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003148 sw_ring_prod);
3149 goto next_rx;
3150 }
Michael Chanb6016b72005-05-26 13:03:09 -07003151
3152 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07003153 skb_copy_from_linear_data_offset(skb,
Michael Chanf22828e2008-08-14 15:30:14 -07003154 BNX2_RX_OFFSET - 6,
3155 new_skb->data, len + 6);
3156 skb_reserve(new_skb, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07003157 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003158
Michael Chanbb4f98a2008-06-19 16:38:19 -07003159 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07003160 sw_ring_cons, sw_ring_prod);
3161
3162 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003163 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08003164 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07003165 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07003166
Michael Chanf22828e2008-08-14 15:30:14 -07003167 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
3168 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
3169 vtag = rx_hdr->l2_fhdr_vlan_tag;
3170#ifdef BCM_VLAN
3171 if (bp->vlgrp)
3172 hw_vlan = 1;
3173 else
3174#endif
3175 {
3176 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
3177 __skb_push(skb, 4);
3178
3179 memmove(ve, skb->data + 4, ETH_ALEN * 2);
3180 ve->h_vlan_proto = htons(ETH_P_8021Q);
3181 ve->h_vlan_TCI = htons(vtag);
3182 len += 4;
3183 }
3184 }
3185
Michael Chanb6016b72005-05-26 13:03:09 -07003186 skb->protocol = eth_type_trans(skb, bp->dev);
3187
3188 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07003189 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003190
Michael Chan745720e2006-06-29 12:37:41 -07003191 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003192 goto next_rx;
3193
3194 }
3195
Michael Chanb6016b72005-05-26 13:03:09 -07003196 skb->ip_summed = CHECKSUM_NONE;
3197 if (bp->rx_csum &&
3198 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3199 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3200
Michael Chanade2bfe2006-01-23 16:09:51 -08003201 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3202 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003203 skb->ip_summed = CHECKSUM_UNNECESSARY;
3204 }
3205
David S. Miller0c8dfc82009-01-27 16:22:32 -08003206 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
3207
Michael Chanb6016b72005-05-26 13:03:09 -07003208#ifdef BCM_VLAN
Michael Chanf22828e2008-08-14 15:30:14 -07003209 if (hw_vlan)
3210 vlan_hwaccel_receive_skb(skb, bp->vlgrp, vtag);
Michael Chanb6016b72005-05-26 13:03:09 -07003211 else
3212#endif
3213 netif_receive_skb(skb);
3214
Michael Chanb6016b72005-05-26 13:03:09 -07003215 rx_pkt++;
3216
3217next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07003218 sw_cons = NEXT_RX_BD(sw_cons);
3219 sw_prod = NEXT_RX_BD(sw_prod);
3220
3221 if ((rx_pkt == budget))
3222 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003223
3224 /* Refresh hw_cons to see if there is new work */
3225 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003226 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003227 rmb();
3228 }
Michael Chanb6016b72005-05-26 13:03:09 -07003229 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003230 rxr->rx_cons = sw_cons;
3231 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003232
Michael Chan1db82f22007-12-12 11:19:35 -08003233 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07003234 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003235
Michael Chanbb4f98a2008-06-19 16:38:19 -07003236 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003237
Michael Chanbb4f98a2008-06-19 16:38:19 -07003238 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003239
3240 mmiowb();
3241
3242 return rx_pkt;
3243
3244}
3245
3246/* MSI ISR - The only difference between this and the INTx ISR
3247 * is that the MSI interrupt is always serviced.
3248 */
3249static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003250bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003251{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003252 struct bnx2_napi *bnapi = dev_instance;
3253 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003254
Michael Chan43e80b82008-06-19 16:41:08 -07003255 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003256 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3257 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3258 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3259
3260 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003261 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3262 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003263
Ben Hutchings288379f2009-01-19 16:43:59 -08003264 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003265
Michael Chan73eef4c2005-08-25 15:39:15 -07003266 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003267}
3268
3269static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003270bnx2_msi_1shot(int irq, void *dev_instance)
3271{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003272 struct bnx2_napi *bnapi = dev_instance;
3273 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003274
Michael Chan43e80b82008-06-19 16:41:08 -07003275 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003276
3277 /* Return here if interrupt is disabled. */
3278 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3279 return IRQ_HANDLED;
3280
Ben Hutchings288379f2009-01-19 16:43:59 -08003281 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003282
3283 return IRQ_HANDLED;
3284}
3285
3286static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003287bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003288{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003289 struct bnx2_napi *bnapi = dev_instance;
3290 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003291 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003292
3293 /* When using INTx, it is possible for the interrupt to arrive
3294 * at the CPU before the status block posted prior to the
3295 * interrupt. Reading a register will flush the status block.
3296 * When using MSI, the MSI message will always complete after
3297 * the status block write.
3298 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003299 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003300 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3301 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003302 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003303
3304 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3305 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3306 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3307
Michael Chanb8a7ce72007-07-07 22:51:03 -07003308 /* Read back to deassert IRQ immediately to avoid too many
3309 * spurious interrupts.
3310 */
3311 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3312
Michael Chanb6016b72005-05-26 13:03:09 -07003313 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003314 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3315 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003316
Ben Hutchings288379f2009-01-19 16:43:59 -08003317 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003318 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003319 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003320 }
Michael Chanb6016b72005-05-26 13:03:09 -07003321
Michael Chan73eef4c2005-08-25 15:39:15 -07003322 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003323}
3324
Michael Chan43e80b82008-06-19 16:41:08 -07003325static inline int
3326bnx2_has_fast_work(struct bnx2_napi *bnapi)
3327{
3328 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3329 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3330
3331 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3332 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3333 return 1;
3334 return 0;
3335}
3336
Michael Chan0d8a6572007-07-07 22:49:43 -07003337#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3338 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003339
Michael Chanf4e418f2005-11-04 08:53:48 -08003340static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003341bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003342{
Michael Chan43e80b82008-06-19 16:41:08 -07003343 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003344
Michael Chan43e80b82008-06-19 16:41:08 -07003345 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003346 return 1;
3347
Michael Chan4edd4732009-06-08 18:14:42 -07003348#ifdef BCM_CNIC
3349 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3350 return 1;
3351#endif
3352
Michael Chanda3e4fb2007-05-03 13:24:23 -07003353 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3354 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003355 return 1;
3356
3357 return 0;
3358}
3359
Michael Chanefba0182008-12-03 00:36:15 -08003360static void
3361bnx2_chk_missed_msi(struct bnx2 *bp)
3362{
3363 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3364 u32 msi_ctrl;
3365
3366 if (bnx2_has_work(bnapi)) {
3367 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3368 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3369 return;
3370
3371 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3372 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3373 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3374 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3375 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3376 }
3377 }
3378
3379 bp->idle_chk_status_idx = bnapi->last_status_idx;
3380}
3381
Michael Chan4edd4732009-06-08 18:14:42 -07003382#ifdef BCM_CNIC
3383static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3384{
3385 struct cnic_ops *c_ops;
3386
3387 if (!bnapi->cnic_present)
3388 return;
3389
3390 rcu_read_lock();
3391 c_ops = rcu_dereference(bp->cnic_ops);
3392 if (c_ops)
3393 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3394 bnapi->status_blk.msi);
3395 rcu_read_unlock();
3396}
3397#endif
3398
Michael Chan43e80b82008-06-19 16:41:08 -07003399static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003400{
Michael Chan43e80b82008-06-19 16:41:08 -07003401 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003402 u32 status_attn_bits = sblk->status_attn_bits;
3403 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003404
Michael Chanda3e4fb2007-05-03 13:24:23 -07003405 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3406 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003407
Michael Chan35efa7c2007-12-20 19:56:37 -08003408 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003409
3410 /* This is needed to take care of transient status
3411 * during link changes.
3412 */
3413 REG_WR(bp, BNX2_HC_COMMAND,
3414 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3415 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003416 }
Michael Chan43e80b82008-06-19 16:41:08 -07003417}
3418
3419static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3420 int work_done, int budget)
3421{
3422 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3423 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003424
Michael Chan35e90102008-06-19 16:37:42 -07003425 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003426 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003427
Michael Chanbb4f98a2008-06-19 16:38:19 -07003428 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003429 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003430
David S. Miller6f535762007-10-11 18:08:29 -07003431 return work_done;
3432}
Michael Chanf4e418f2005-11-04 08:53:48 -08003433
Michael Chanf0ea2e62008-06-19 16:41:57 -07003434static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3435{
3436 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3437 struct bnx2 *bp = bnapi->bp;
3438 int work_done = 0;
3439 struct status_block_msix *sblk = bnapi->status_blk.msix;
3440
3441 while (1) {
3442 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3443 if (unlikely(work_done >= budget))
3444 break;
3445
3446 bnapi->last_status_idx = sblk->status_idx;
3447 /* status idx must be read before checking for more work. */
3448 rmb();
3449 if (likely(!bnx2_has_fast_work(bnapi))) {
3450
Ben Hutchings288379f2009-01-19 16:43:59 -08003451 napi_complete(napi);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003452 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3453 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3454 bnapi->last_status_idx);
3455 break;
3456 }
3457 }
3458 return work_done;
3459}
3460
David S. Miller6f535762007-10-11 18:08:29 -07003461static int bnx2_poll(struct napi_struct *napi, int budget)
3462{
Michael Chan35efa7c2007-12-20 19:56:37 -08003463 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3464 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003465 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003466 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003467
3468 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003469 bnx2_poll_link(bp, bnapi);
3470
Michael Chan35efa7c2007-12-20 19:56:37 -08003471 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003472
Michael Chan4edd4732009-06-08 18:14:42 -07003473#ifdef BCM_CNIC
3474 bnx2_poll_cnic(bp, bnapi);
3475#endif
3476
Michael Chan35efa7c2007-12-20 19:56:37 -08003477 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003478 * much work has been processed, so we must read it before
3479 * checking for more work.
3480 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003481 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003482
3483 if (unlikely(work_done >= budget))
3484 break;
3485
Michael Chan6dee6422007-10-12 01:40:38 -07003486 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003487 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003488 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003489 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003490 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3491 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003492 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003493 break;
David S. Miller6f535762007-10-11 18:08:29 -07003494 }
3495 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3496 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3497 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003498 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003499
Michael Chan1269a8a2006-01-23 16:11:03 -08003500 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);
David S. Miller6f535762007-10-11 18:08:29 -07003503 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003504 }
Michael Chanb6016b72005-05-26 13:03:09 -07003505 }
3506
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003507 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003508}
3509
Herbert Xu932ff272006-06-09 12:20:56 -07003510/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003511 * from set_multicast.
3512 */
3513static void
3514bnx2_set_rx_mode(struct net_device *dev)
3515{
Michael Chan972ec0d2006-01-23 16:12:43 -08003516 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003517 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003518 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003519 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003520
Michael Chan9f52b562008-10-09 12:21:46 -07003521 if (!netif_running(dev))
3522 return;
3523
Michael Chanc770a652005-08-25 15:38:39 -07003524 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003525
3526 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3527 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3528 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
3529#ifdef BCM_VLAN
Michael Chan7c6337a2008-08-14 15:29:09 -07003530 if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003531 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003532#else
Michael Chan7c6337a2008-08-14 15:29:09 -07003533 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
Michael Chane29054f2006-01-23 16:06:06 -08003534 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003535#endif
3536 if (dev->flags & IFF_PROMISC) {
3537 /* Promiscuous mode. */
3538 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003539 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3540 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003541 }
3542 else if (dev->flags & IFF_ALLMULTI) {
3543 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3544 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3545 0xffffffff);
3546 }
3547 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3548 }
3549 else {
3550 /* Accept one or more multicast(s). */
Michael Chanb6016b72005-05-26 13:03:09 -07003551 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3552 u32 regidx;
3553 u32 bit;
3554 u32 crc;
3555
3556 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3557
Jiri Pirko22bedad32010-04-01 21:22:57 +00003558 netdev_for_each_mc_addr(ha, dev) {
3559 crc = ether_crc_le(ETH_ALEN, ha->addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003560 bit = crc & 0xff;
3561 regidx = (bit & 0xe0) >> 5;
3562 bit &= 0x1f;
3563 mc_filter[regidx] |= (1 << bit);
3564 }
3565
3566 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3567 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3568 mc_filter[i]);
3569 }
3570
3571 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3572 }
3573
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003574 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003575 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3576 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3577 BNX2_RPM_SORT_USER0_PROM_VLAN;
3578 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003579 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003580 i = 0;
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003581 netdev_for_each_uc_addr(ha, dev) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003582 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003583 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3584 sort_mode |= (1 <<
3585 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003586 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003587 }
3588
3589 }
3590
Michael Chanb6016b72005-05-26 13:03:09 -07003591 if (rx_mode != bp->rx_mode) {
3592 bp->rx_mode = rx_mode;
3593 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3594 }
3595
3596 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3597 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3598 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3599
Michael Chanc770a652005-08-25 15:38:39 -07003600 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003601}
3602
Michael Chan57579f72009-04-04 16:51:14 -07003603static int __devinit
3604check_fw_section(const struct firmware *fw,
3605 const struct bnx2_fw_file_section *section,
3606 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003607{
Michael Chan57579f72009-04-04 16:51:14 -07003608 u32 offset = be32_to_cpu(section->offset);
3609 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003610
Michael Chan57579f72009-04-04 16:51:14 -07003611 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3612 return -EINVAL;
3613 if ((non_empty && len == 0) || len > fw->size - offset ||
3614 len & (alignment - 1))
3615 return -EINVAL;
3616 return 0;
3617}
3618
3619static int __devinit
3620check_mips_fw_entry(const struct firmware *fw,
3621 const struct bnx2_mips_fw_file_entry *entry)
3622{
3623 if (check_fw_section(fw, &entry->text, 4, true) ||
3624 check_fw_section(fw, &entry->data, 4, false) ||
3625 check_fw_section(fw, &entry->rodata, 4, false))
3626 return -EINVAL;
3627 return 0;
3628}
3629
3630static int __devinit
3631bnx2_request_firmware(struct bnx2 *bp)
3632{
3633 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003634 const struct bnx2_mips_fw_file *mips_fw;
3635 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003636 int rc;
3637
3638 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3639 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan078b0732009-08-29 00:02:46 -07003640 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
3641 (CHIP_ID(bp) == CHIP_ID_5709_A1))
3642 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3643 else
3644 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003645 } else {
3646 mips_fw_file = FW_MIPS_FILE_06;
3647 rv2p_fw_file = FW_RV2P_FILE_06;
3648 }
3649
3650 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3651 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003652 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003653 return rc;
3654 }
3655
3656 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3657 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003658 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003659 return rc;
3660 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003661 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3662 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3663 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3664 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3665 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3666 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3667 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3668 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003669 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003670 return -EINVAL;
3671 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003672 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3673 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3674 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003675 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003676 return -EINVAL;
3677 }
3678
3679 return 0;
3680}
3681
3682static u32
3683rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3684{
3685 switch (idx) {
3686 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3687 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3688 rv2p_code |= RV2P_BD_PAGE_SIZE;
3689 break;
3690 }
3691 return rv2p_code;
3692}
3693
3694static int
3695load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3696 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3697{
3698 u32 rv2p_code_len, file_offset;
3699 __be32 *rv2p_code;
3700 int i;
3701 u32 val, cmd, addr;
3702
3703 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3704 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3705
3706 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3707
3708 if (rv2p_proc == RV2P_PROC1) {
3709 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3710 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3711 } else {
3712 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3713 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003714 }
Michael Chanb6016b72005-05-26 13:03:09 -07003715
3716 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chan57579f72009-04-04 16:51:14 -07003717 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003718 rv2p_code++;
Michael Chan57579f72009-04-04 16:51:14 -07003719 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003720 rv2p_code++;
3721
Michael Chan57579f72009-04-04 16:51:14 -07003722 val = (i / 8) | cmd;
3723 REG_WR(bp, addr, val);
3724 }
3725
3726 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3727 for (i = 0; i < 8; i++) {
3728 u32 loc, code;
3729
3730 loc = be32_to_cpu(fw_entry->fixup[i]);
3731 if (loc && ((loc * 4) < rv2p_code_len)) {
3732 code = be32_to_cpu(*(rv2p_code + loc - 1));
3733 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3734 code = be32_to_cpu(*(rv2p_code + loc));
3735 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3736 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3737
3738 val = (loc / 2) | cmd;
3739 REG_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003740 }
3741 }
3742
3743 /* Reset the processor, un-stall is done later. */
3744 if (rv2p_proc == RV2P_PROC1) {
3745 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3746 }
3747 else {
3748 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3749 }
Michael Chan57579f72009-04-04 16:51:14 -07003750
3751 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003752}
3753
Michael Chanaf3ee512006-11-19 14:09:25 -08003754static int
Michael Chan57579f72009-04-04 16:51:14 -07003755load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3756 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003757{
Michael Chan57579f72009-04-04 16:51:14 -07003758 u32 addr, len, file_offset;
3759 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003760 u32 offset;
3761 u32 val;
3762
3763 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003764 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003765 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003766 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3767 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003768
3769 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003770 addr = be32_to_cpu(fw_entry->text.addr);
3771 len = be32_to_cpu(fw_entry->text.len);
3772 file_offset = be32_to_cpu(fw_entry->text.offset);
3773 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3774
3775 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3776 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003777 int j;
3778
Michael Chan57579f72009-04-04 16:51:14 -07003779 for (j = 0; j < (len / 4); j++, offset += 4)
3780 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003781 }
3782
3783 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003784 addr = be32_to_cpu(fw_entry->data.addr);
3785 len = be32_to_cpu(fw_entry->data.len);
3786 file_offset = be32_to_cpu(fw_entry->data.offset);
3787 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3788
3789 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3790 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003791 int j;
3792
Michael Chan57579f72009-04-04 16:51:14 -07003793 for (j = 0; j < (len / 4); j++, offset += 4)
3794 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003795 }
3796
3797 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003798 addr = be32_to_cpu(fw_entry->rodata.addr);
3799 len = be32_to_cpu(fw_entry->rodata.len);
3800 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3801 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3802
3803 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3804 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003805 int j;
3806
Michael Chan57579f72009-04-04 16:51:14 -07003807 for (j = 0; j < (len / 4); j++, offset += 4)
3808 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003809 }
3810
3811 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003812 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003813
3814 val = be32_to_cpu(fw_entry->start_addr);
3815 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003816
3817 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003818 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003819 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003820 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3821 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003822
3823 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003824}
3825
Michael Chanfba9fe92006-06-12 22:21:25 -07003826static int
Michael Chanb6016b72005-05-26 13:03:09 -07003827bnx2_init_cpus(struct bnx2 *bp)
3828{
Michael Chan57579f72009-04-04 16:51:14 -07003829 const struct bnx2_mips_fw_file *mips_fw =
3830 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3831 const struct bnx2_rv2p_fw_file *rv2p_fw =
3832 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3833 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003834
3835 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003836 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3837 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003838
3839 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003840 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003841 if (rc)
3842 goto init_cpu_err;
3843
Michael Chanb6016b72005-05-26 13:03:09 -07003844 /* Initialize the TX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003845 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003846 if (rc)
3847 goto init_cpu_err;
3848
Michael Chanb6016b72005-05-26 13:03:09 -07003849 /* Initialize the TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003850 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
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 Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003855 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003856 if (rc)
3857 goto init_cpu_err;
3858
Michael Chand43584c2006-11-19 14:14:35 -08003859 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003860 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003861
Michael Chanfba9fe92006-06-12 22:21:25 -07003862init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003863 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003864}
3865
3866static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003867bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003868{
3869 u16 pmcsr;
3870
3871 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3872
3873 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003874 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003875 u32 val;
3876
3877 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3878 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3879 PCI_PM_CTRL_PME_STATUS);
3880
3881 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3882 /* delay required during transition out of D3hot */
3883 msleep(20);
3884
3885 val = REG_RD(bp, BNX2_EMAC_MODE);
3886 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3887 val &= ~BNX2_EMAC_MODE_MPKT;
3888 REG_WR(bp, BNX2_EMAC_MODE, val);
3889
3890 val = REG_RD(bp, BNX2_RPM_CONFIG);
3891 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3892 REG_WR(bp, BNX2_RPM_CONFIG, val);
3893 break;
3894 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003895 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003896 int i;
3897 u32 val, wol_msg;
3898
3899 if (bp->wol) {
3900 u32 advertising;
3901 u8 autoneg;
3902
3903 autoneg = bp->autoneg;
3904 advertising = bp->advertising;
3905
Michael Chan239cd342007-10-17 19:26:15 -07003906 if (bp->phy_port == PORT_TP) {
3907 bp->autoneg = AUTONEG_SPEED;
3908 bp->advertising = ADVERTISED_10baseT_Half |
3909 ADVERTISED_10baseT_Full |
3910 ADVERTISED_100baseT_Half |
3911 ADVERTISED_100baseT_Full |
3912 ADVERTISED_Autoneg;
3913 }
Michael Chanb6016b72005-05-26 13:03:09 -07003914
Michael Chan239cd342007-10-17 19:26:15 -07003915 spin_lock_bh(&bp->phy_lock);
3916 bnx2_setup_phy(bp, bp->phy_port);
3917 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003918
3919 bp->autoneg = autoneg;
3920 bp->advertising = advertising;
3921
Benjamin Li5fcaed02008-07-14 22:39:52 -07003922 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003923
3924 val = REG_RD(bp, BNX2_EMAC_MODE);
3925
3926 /* Enable port mode. */
3927 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003928 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003929 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003930 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003931 if (bp->phy_port == PORT_TP)
3932 val |= BNX2_EMAC_MODE_PORT_MII;
3933 else {
3934 val |= BNX2_EMAC_MODE_PORT_GMII;
3935 if (bp->line_speed == SPEED_2500)
3936 val |= BNX2_EMAC_MODE_25G_MODE;
3937 }
Michael Chanb6016b72005-05-26 13:03:09 -07003938
3939 REG_WR(bp, BNX2_EMAC_MODE, val);
3940
3941 /* receive all multicast */
3942 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3943 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3944 0xffffffff);
3945 }
3946 REG_WR(bp, BNX2_EMAC_RX_MODE,
3947 BNX2_EMAC_RX_MODE_SORT_MODE);
3948
3949 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3950 BNX2_RPM_SORT_USER0_MC_EN;
3951 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3952 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3953 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3954 BNX2_RPM_SORT_USER0_ENA);
3955
3956 /* Need to enable EMAC and RPM for WOL. */
3957 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3958 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3959 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3960 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3961
3962 val = REG_RD(bp, BNX2_RPM_CONFIG);
3963 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3964 REG_WR(bp, BNX2_RPM_CONFIG, val);
3965
3966 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3967 }
3968 else {
3969 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3970 }
3971
David S. Millerf86e82f2008-01-21 17:15:40 -08003972 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chana2f13892008-07-14 22:38:23 -07003973 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3974 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003975
3976 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3977 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3978 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3979
3980 if (bp->wol)
3981 pmcsr |= 3;
3982 }
3983 else {
3984 pmcsr |= 3;
3985 }
3986 if (bp->wol) {
3987 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3988 }
3989 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3990 pmcsr);
3991
3992 /* No more memory access after this point until
3993 * device is brought back to D0.
3994 */
3995 udelay(50);
3996 break;
3997 }
3998 default:
3999 return -EINVAL;
4000 }
4001 return 0;
4002}
4003
4004static int
4005bnx2_acquire_nvram_lock(struct bnx2 *bp)
4006{
4007 u32 val;
4008 int j;
4009
4010 /* Request access to the flash interface. */
4011 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
4012 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4013 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4014 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4015 break;
4016
4017 udelay(5);
4018 }
4019
4020 if (j >= NVRAM_TIMEOUT_COUNT)
4021 return -EBUSY;
4022
4023 return 0;
4024}
4025
4026static int
4027bnx2_release_nvram_lock(struct bnx2 *bp)
4028{
4029 int j;
4030 u32 val;
4031
4032 /* Relinquish nvram interface. */
4033 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4034
4035 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4036 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4037 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4038 break;
4039
4040 udelay(5);
4041 }
4042
4043 if (j >= NVRAM_TIMEOUT_COUNT)
4044 return -EBUSY;
4045
4046 return 0;
4047}
4048
4049
4050static int
4051bnx2_enable_nvram_write(struct bnx2 *bp)
4052{
4053 u32 val;
4054
4055 val = REG_RD(bp, BNX2_MISC_CFG);
4056 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4057
Michael Chane30372c2007-07-16 18:26:23 -07004058 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004059 int j;
4060
4061 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4062 REG_WR(bp, BNX2_NVM_COMMAND,
4063 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4064
4065 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4066 udelay(5);
4067
4068 val = REG_RD(bp, BNX2_NVM_COMMAND);
4069 if (val & BNX2_NVM_COMMAND_DONE)
4070 break;
4071 }
4072
4073 if (j >= NVRAM_TIMEOUT_COUNT)
4074 return -EBUSY;
4075 }
4076 return 0;
4077}
4078
4079static void
4080bnx2_disable_nvram_write(struct bnx2 *bp)
4081{
4082 u32 val;
4083
4084 val = REG_RD(bp, BNX2_MISC_CFG);
4085 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
4086}
4087
4088
4089static void
4090bnx2_enable_nvram_access(struct bnx2 *bp)
4091{
4092 u32 val;
4093
4094 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4095 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004096 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004097 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4098}
4099
4100static void
4101bnx2_disable_nvram_access(struct bnx2 *bp)
4102{
4103 u32 val;
4104
4105 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4106 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004107 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004108 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4109 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4110}
4111
4112static int
4113bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4114{
4115 u32 cmd;
4116 int j;
4117
Michael Chane30372c2007-07-16 18:26:23 -07004118 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004119 /* Buffered flash, no erase needed */
4120 return 0;
4121
4122 /* Build an erase command */
4123 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4124 BNX2_NVM_COMMAND_DOIT;
4125
4126 /* Need to clear DONE bit separately. */
4127 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4128
4129 /* Address of the NVRAM to read from. */
4130 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4131
4132 /* Issue an erase command. */
4133 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4134
4135 /* Wait for completion. */
4136 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4137 u32 val;
4138
4139 udelay(5);
4140
4141 val = REG_RD(bp, BNX2_NVM_COMMAND);
4142 if (val & BNX2_NVM_COMMAND_DONE)
4143 break;
4144 }
4145
4146 if (j >= NVRAM_TIMEOUT_COUNT)
4147 return -EBUSY;
4148
4149 return 0;
4150}
4151
4152static int
4153bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4154{
4155 u32 cmd;
4156 int j;
4157
4158 /* Build the command word. */
4159 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4160
Michael Chane30372c2007-07-16 18:26:23 -07004161 /* Calculate an offset of a buffered flash, not needed for 5709. */
4162 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004163 offset = ((offset / bp->flash_info->page_size) <<
4164 bp->flash_info->page_bits) +
4165 (offset % bp->flash_info->page_size);
4166 }
4167
4168 /* Need to clear DONE bit separately. */
4169 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4170
4171 /* Address of the NVRAM to read from. */
4172 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4173
4174 /* Issue a read command. */
4175 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4176
4177 /* Wait for completion. */
4178 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4179 u32 val;
4180
4181 udelay(5);
4182
4183 val = REG_RD(bp, BNX2_NVM_COMMAND);
4184 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00004185 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4186 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004187 break;
4188 }
4189 }
4190 if (j >= NVRAM_TIMEOUT_COUNT)
4191 return -EBUSY;
4192
4193 return 0;
4194}
4195
4196
4197static int
4198bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4199{
Al Virob491edd2007-12-22 19:44:51 +00004200 u32 cmd;
4201 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004202 int j;
4203
4204 /* Build the command word. */
4205 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4206
Michael Chane30372c2007-07-16 18:26:23 -07004207 /* Calculate an offset of a buffered flash, not needed for 5709. */
4208 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004209 offset = ((offset / bp->flash_info->page_size) <<
4210 bp->flash_info->page_bits) +
4211 (offset % bp->flash_info->page_size);
4212 }
4213
4214 /* Need to clear DONE bit separately. */
4215 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4216
4217 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004218
4219 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00004220 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004221
4222 /* Address of the NVRAM to write to. */
4223 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4224
4225 /* Issue the write command. */
4226 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4227
4228 /* Wait for completion. */
4229 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4230 udelay(5);
4231
4232 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4233 break;
4234 }
4235 if (j >= NVRAM_TIMEOUT_COUNT)
4236 return -EBUSY;
4237
4238 return 0;
4239}
4240
4241static int
4242bnx2_init_nvram(struct bnx2 *bp)
4243{
4244 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004245 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004246 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004247
Michael Chane30372c2007-07-16 18:26:23 -07004248 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4249 bp->flash_info = &flash_5709;
4250 goto get_flash_size;
4251 }
4252
Michael Chanb6016b72005-05-26 13:03:09 -07004253 /* Determine the selected interface. */
4254 val = REG_RD(bp, BNX2_NVM_CFG1);
4255
Denis Chengff8ac602007-09-02 18:30:18 +08004256 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004257
Michael Chanb6016b72005-05-26 13:03:09 -07004258 if (val & 0x40000000) {
4259
4260 /* Flash interface has been reconfigured */
4261 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004262 j++, flash++) {
4263 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4264 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004265 bp->flash_info = flash;
4266 break;
4267 }
4268 }
4269 }
4270 else {
Michael Chan37137702005-11-04 08:49:17 -08004271 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004272 /* Not yet been reconfigured */
4273
Michael Chan37137702005-11-04 08:49:17 -08004274 if (val & (1 << 23))
4275 mask = FLASH_BACKUP_STRAP_MASK;
4276 else
4277 mask = FLASH_STRAP_MASK;
4278
Michael Chanb6016b72005-05-26 13:03:09 -07004279 for (j = 0, flash = &flash_table[0]; j < entry_count;
4280 j++, flash++) {
4281
Michael Chan37137702005-11-04 08:49:17 -08004282 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004283 bp->flash_info = flash;
4284
4285 /* Request access to the flash interface. */
4286 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4287 return rc;
4288
4289 /* Enable access to flash interface */
4290 bnx2_enable_nvram_access(bp);
4291
4292 /* Reconfigure the flash interface */
4293 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4294 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4295 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4296 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4297
4298 /* Disable access to flash interface */
4299 bnx2_disable_nvram_access(bp);
4300 bnx2_release_nvram_lock(bp);
4301
4302 break;
4303 }
4304 }
4305 } /* if (val & 0x40000000) */
4306
4307 if (j == entry_count) {
4308 bp->flash_info = NULL;
Joe Perches3a9c6a42010-02-17 15:01:51 +00004309 pr_alert("Unknown flash/EEPROM type\n");
Michael Chan1122db72006-01-23 16:11:42 -08004310 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004311 }
4312
Michael Chane30372c2007-07-16 18:26:23 -07004313get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004314 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004315 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4316 if (val)
4317 bp->flash_size = val;
4318 else
4319 bp->flash_size = bp->flash_info->total_size;
4320
Michael Chanb6016b72005-05-26 13:03:09 -07004321 return rc;
4322}
4323
4324static int
4325bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4326 int buf_size)
4327{
4328 int rc = 0;
4329 u32 cmd_flags, offset32, len32, extra;
4330
4331 if (buf_size == 0)
4332 return 0;
4333
4334 /* Request access to the flash interface. */
4335 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4336 return rc;
4337
4338 /* Enable access to flash interface */
4339 bnx2_enable_nvram_access(bp);
4340
4341 len32 = buf_size;
4342 offset32 = offset;
4343 extra = 0;
4344
4345 cmd_flags = 0;
4346
4347 if (offset32 & 3) {
4348 u8 buf[4];
4349 u32 pre_len;
4350
4351 offset32 &= ~3;
4352 pre_len = 4 - (offset & 3);
4353
4354 if (pre_len >= len32) {
4355 pre_len = len32;
4356 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4357 BNX2_NVM_COMMAND_LAST;
4358 }
4359 else {
4360 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4361 }
4362
4363 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4364
4365 if (rc)
4366 return rc;
4367
4368 memcpy(ret_buf, buf + (offset & 3), pre_len);
4369
4370 offset32 += 4;
4371 ret_buf += pre_len;
4372 len32 -= pre_len;
4373 }
4374 if (len32 & 3) {
4375 extra = 4 - (len32 & 3);
4376 len32 = (len32 + 4) & ~3;
4377 }
4378
4379 if (len32 == 4) {
4380 u8 buf[4];
4381
4382 if (cmd_flags)
4383 cmd_flags = BNX2_NVM_COMMAND_LAST;
4384 else
4385 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4386 BNX2_NVM_COMMAND_LAST;
4387
4388 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4389
4390 memcpy(ret_buf, buf, 4 - extra);
4391 }
4392 else if (len32 > 0) {
4393 u8 buf[4];
4394
4395 /* Read the first word. */
4396 if (cmd_flags)
4397 cmd_flags = 0;
4398 else
4399 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4400
4401 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4402
4403 /* Advance to the next dword. */
4404 offset32 += 4;
4405 ret_buf += 4;
4406 len32 -= 4;
4407
4408 while (len32 > 4 && rc == 0) {
4409 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4410
4411 /* Advance to the next dword. */
4412 offset32 += 4;
4413 ret_buf += 4;
4414 len32 -= 4;
4415 }
4416
4417 if (rc)
4418 return rc;
4419
4420 cmd_flags = BNX2_NVM_COMMAND_LAST;
4421 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4422
4423 memcpy(ret_buf, buf, 4 - extra);
4424 }
4425
4426 /* Disable access to flash interface */
4427 bnx2_disable_nvram_access(bp);
4428
4429 bnx2_release_nvram_lock(bp);
4430
4431 return rc;
4432}
4433
4434static int
4435bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4436 int buf_size)
4437{
4438 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004439 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004440 int rc = 0;
4441 int align_start, align_end;
4442
4443 buf = data_buf;
4444 offset32 = offset;
4445 len32 = buf_size;
4446 align_start = align_end = 0;
4447
4448 if ((align_start = (offset32 & 3))) {
4449 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004450 len32 += align_start;
4451 if (len32 < 4)
4452 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004453 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4454 return rc;
4455 }
4456
4457 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004458 align_end = 4 - (len32 & 3);
4459 len32 += align_end;
4460 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4461 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004462 }
4463
4464 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004465 align_buf = kmalloc(len32, GFP_KERNEL);
4466 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004467 return -ENOMEM;
4468 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004469 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004470 }
4471 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004472 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004473 }
Michael Chane6be7632007-01-08 19:56:13 -08004474 memcpy(align_buf + align_start, data_buf, buf_size);
4475 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004476 }
4477
Michael Chane30372c2007-07-16 18:26:23 -07004478 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004479 flash_buffer = kmalloc(264, GFP_KERNEL);
4480 if (flash_buffer == NULL) {
4481 rc = -ENOMEM;
4482 goto nvram_write_end;
4483 }
4484 }
4485
Michael Chanb6016b72005-05-26 13:03:09 -07004486 written = 0;
4487 while ((written < len32) && (rc == 0)) {
4488 u32 page_start, page_end, data_start, data_end;
4489 u32 addr, cmd_flags;
4490 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004491
4492 /* Find the page_start addr */
4493 page_start = offset32 + written;
4494 page_start -= (page_start % bp->flash_info->page_size);
4495 /* Find the page_end addr */
4496 page_end = page_start + bp->flash_info->page_size;
4497 /* Find the data_start addr */
4498 data_start = (written == 0) ? offset32 : page_start;
4499 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004500 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004501 (offset32 + len32) : page_end;
4502
4503 /* Request access to the flash interface. */
4504 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4505 goto nvram_write_end;
4506
4507 /* Enable access to flash interface */
4508 bnx2_enable_nvram_access(bp);
4509
4510 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004511 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004512 int j;
4513
4514 /* Read the whole page into the buffer
4515 * (non-buffer flash only) */
4516 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4517 if (j == (bp->flash_info->page_size - 4)) {
4518 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4519 }
4520 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004521 page_start + j,
4522 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004523 cmd_flags);
4524
4525 if (rc)
4526 goto nvram_write_end;
4527
4528 cmd_flags = 0;
4529 }
4530 }
4531
4532 /* Enable writes to flash interface (unlock write-protect) */
4533 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4534 goto nvram_write_end;
4535
Michael Chanb6016b72005-05-26 13:03:09 -07004536 /* Loop to write back the buffer data from page_start to
4537 * data_start */
4538 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004539 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004540 /* Erase the page */
4541 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4542 goto nvram_write_end;
4543
4544 /* Re-enable the write again for the actual write */
4545 bnx2_enable_nvram_write(bp);
4546
Michael Chanb6016b72005-05-26 13:03:09 -07004547 for (addr = page_start; addr < data_start;
4548 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004549
Michael Chanb6016b72005-05-26 13:03:09 -07004550 rc = bnx2_nvram_write_dword(bp, addr,
4551 &flash_buffer[i], cmd_flags);
4552
4553 if (rc != 0)
4554 goto nvram_write_end;
4555
4556 cmd_flags = 0;
4557 }
4558 }
4559
4560 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004561 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004562 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004563 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004564 (addr == data_end - 4))) {
4565
4566 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4567 }
4568 rc = bnx2_nvram_write_dword(bp, addr, buf,
4569 cmd_flags);
4570
4571 if (rc != 0)
4572 goto nvram_write_end;
4573
4574 cmd_flags = 0;
4575 buf += 4;
4576 }
4577
4578 /* Loop to write back the buffer data from data_end
4579 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004580 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004581 for (addr = data_end; addr < page_end;
4582 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004583
Michael Chanb6016b72005-05-26 13:03:09 -07004584 if (addr == page_end-4) {
4585 cmd_flags = BNX2_NVM_COMMAND_LAST;
4586 }
4587 rc = bnx2_nvram_write_dword(bp, addr,
4588 &flash_buffer[i], cmd_flags);
4589
4590 if (rc != 0)
4591 goto nvram_write_end;
4592
4593 cmd_flags = 0;
4594 }
4595 }
4596
4597 /* Disable writes to flash interface (lock write-protect) */
4598 bnx2_disable_nvram_write(bp);
4599
4600 /* Disable access to flash interface */
4601 bnx2_disable_nvram_access(bp);
4602 bnx2_release_nvram_lock(bp);
4603
4604 /* Increment written */
4605 written += data_end - data_start;
4606 }
4607
4608nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004609 kfree(flash_buffer);
4610 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004611 return rc;
4612}
4613
Michael Chan0d8a6572007-07-07 22:49:43 -07004614static void
Michael Chan7c62e832008-07-14 22:39:03 -07004615bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004616{
Michael Chan7c62e832008-07-14 22:39:03 -07004617 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004618
Michael Chan583c28e2008-01-21 19:51:35 -08004619 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004620 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4621
4622 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4623 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004624
Michael Chan2726d6e2008-01-29 21:35:05 -08004625 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004626 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4627 return;
4628
Michael Chan7c62e832008-07-14 22:39:03 -07004629 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4630 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4631 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4632 }
4633
4634 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4635 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4636 u32 link;
4637
Michael Chan583c28e2008-01-21 19:51:35 -08004638 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004639
Michael Chan7c62e832008-07-14 22:39:03 -07004640 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4641 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004642 bp->phy_port = PORT_FIBRE;
4643 else
4644 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004645
Michael Chan7c62e832008-07-14 22:39:03 -07004646 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4647 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004648 }
Michael Chan7c62e832008-07-14 22:39:03 -07004649
4650 if (netif_running(bp->dev) && sig)
4651 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004652}
4653
Michael Chanb4b36042007-12-20 19:59:30 -08004654static void
4655bnx2_setup_msix_tbl(struct bnx2 *bp)
4656{
4657 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4658
4659 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4660 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4661}
4662
Michael Chanb6016b72005-05-26 13:03:09 -07004663static int
4664bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4665{
4666 u32 val;
4667 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004668 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004669
4670 /* Wait for the current PCI transaction to complete before
4671 * issuing a reset. */
4672 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4673 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4674 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4675 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4676 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4677 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4678 udelay(5);
4679
Michael Chanb090ae22006-01-23 16:07:10 -08004680 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004681 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004682
Michael Chanb6016b72005-05-26 13:03:09 -07004683 /* Deposit a driver reset signature so the firmware knows that
4684 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004685 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4686 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004687
Michael Chanb6016b72005-05-26 13:03:09 -07004688 /* Do a dummy read to force the chip to complete all current transaction
4689 * before we issue a reset. */
4690 val = REG_RD(bp, BNX2_MISC_ID);
4691
Michael Chan234754d2006-11-19 14:11:41 -08004692 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4693 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4694 REG_RD(bp, BNX2_MISC_COMMAND);
4695 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004696
Michael Chan234754d2006-11-19 14:11:41 -08004697 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4698 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004699
Michael Chan234754d2006-11-19 14:11:41 -08004700 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004701
Michael Chan234754d2006-11-19 14:11:41 -08004702 } else {
4703 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4704 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4705 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4706
4707 /* Chip reset. */
4708 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4709
Michael Chan594a9df2007-08-28 15:39:42 -07004710 /* Reading back any register after chip reset will hang the
4711 * bus on 5706 A0 and A1. The msleep below provides plenty
4712 * of margin for write posting.
4713 */
Michael Chan234754d2006-11-19 14:11:41 -08004714 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004715 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4716 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004717
Michael Chan234754d2006-11-19 14:11:41 -08004718 /* Reset takes approximate 30 usec */
4719 for (i = 0; i < 10; i++) {
4720 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4721 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4722 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4723 break;
4724 udelay(10);
4725 }
4726
4727 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4728 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004729 pr_err("Chip reset did not complete\n");
Michael Chan234754d2006-11-19 14:11:41 -08004730 return -EBUSY;
4731 }
Michael Chanb6016b72005-05-26 13:03:09 -07004732 }
4733
4734 /* Make sure byte swapping is properly configured. */
4735 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4736 if (val != 0x01020304) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004737 pr_err("Chip not in correct endian mode\n");
Michael Chanb6016b72005-05-26 13:03:09 -07004738 return -ENODEV;
4739 }
4740
Michael Chanb6016b72005-05-26 13:03:09 -07004741 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004742 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004743 if (rc)
4744 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004745
Michael Chan0d8a6572007-07-07 22:49:43 -07004746 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004747 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004748 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004749 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4750 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004751 bnx2_set_default_remote_link(bp);
4752 spin_unlock_bh(&bp->phy_lock);
4753
Michael Chanb6016b72005-05-26 13:03:09 -07004754 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4755 /* Adjust the voltage regular to two steps lower. The default
4756 * of this register is 0x0000000e. */
4757 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4758
4759 /* Remove bad rbuf memory from the free pool. */
4760 rc = bnx2_alloc_bad_rbuf(bp);
4761 }
4762
Michael Chanc441b8d2010-04-27 11:28:09 +00004763 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanb4b36042007-12-20 19:59:30 -08004764 bnx2_setup_msix_tbl(bp);
Michael Chanc441b8d2010-04-27 11:28:09 +00004765 /* Prevent MSIX table reads and write from timing out */
4766 REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
4767 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4768 }
Michael Chanb4b36042007-12-20 19:59:30 -08004769
Michael Chanb6016b72005-05-26 13:03:09 -07004770 return rc;
4771}
4772
4773static int
4774bnx2_init_chip(struct bnx2 *bp)
4775{
Michael Chand8026d92008-11-12 16:02:20 -08004776 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004777 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004778
4779 /* Make sure the interrupt is not active. */
4780 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4781
4782 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4783 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4784#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004785 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004786#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004787 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004788 DMA_READ_CHANS << 12 |
4789 DMA_WRITE_CHANS << 16;
4790
4791 val |= (0x2 << 20) | (1 << 11);
4792
David S. Millerf86e82f2008-01-21 17:15:40 -08004793 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004794 val |= (1 << 23);
4795
4796 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004797 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004798 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4799
4800 REG_WR(bp, BNX2_DMA_CONFIG, val);
4801
4802 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4803 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4804 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4805 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4806 }
4807
David S. Millerf86e82f2008-01-21 17:15:40 -08004808 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004809 u16 val16;
4810
4811 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4812 &val16);
4813 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4814 val16 & ~PCI_X_CMD_ERO);
4815 }
4816
4817 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4818 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4819 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4820 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4821
4822 /* Initialize context mapping and zero out the quick contexts. The
4823 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004824 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4825 rc = bnx2_init_5709_context(bp);
4826 if (rc)
4827 return rc;
4828 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004829 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004830
Michael Chanfba9fe92006-06-12 22:21:25 -07004831 if ((rc = bnx2_init_cpus(bp)) != 0)
4832 return rc;
4833
Michael Chanb6016b72005-05-26 13:03:09 -07004834 bnx2_init_nvram(bp);
4835
Benjamin Li5fcaed02008-07-14 22:39:52 -07004836 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004837
4838 val = REG_RD(bp, BNX2_MQ_CONFIG);
4839 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4840 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4edd4732009-06-08 18:14:42 -07004841 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4842 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4843 if (CHIP_REV(bp) == CHIP_REV_Ax)
4844 val |= BNX2_MQ_CONFIG_HALT_DIS;
4845 }
Michael Chan68c9f752007-04-24 15:35:53 -07004846
Michael Chanb6016b72005-05-26 13:03:09 -07004847 REG_WR(bp, BNX2_MQ_CONFIG, val);
4848
4849 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4850 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4851 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4852
4853 val = (BCM_PAGE_BITS - 8) << 24;
4854 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4855
4856 /* Configure page size. */
4857 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4858 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4859 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4860 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4861
4862 val = bp->mac_addr[0] +
4863 (bp->mac_addr[1] << 8) +
4864 (bp->mac_addr[2] << 16) +
4865 bp->mac_addr[3] +
4866 (bp->mac_addr[4] << 8) +
4867 (bp->mac_addr[5] << 16);
4868 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4869
4870 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004871 mtu = bp->dev->mtu;
4872 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004873 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4874 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4875 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4876
Michael Chand8026d92008-11-12 16:02:20 -08004877 if (mtu < 1500)
4878 mtu = 1500;
4879
4880 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4881 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4882 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4883
Michael Chan155d5562009-08-21 16:20:43 +00004884 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004885 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4886 bp->bnx2_napi[i].last_status_idx = 0;
4887
Michael Chanefba0182008-12-03 00:36:15 -08004888 bp->idle_chk_status_idx = 0xffff;
4889
Michael Chanb6016b72005-05-26 13:03:09 -07004890 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4891
4892 /* Set up how to generate a link change interrupt. */
4893 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4894
4895 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4896 (u64) bp->status_blk_mapping & 0xffffffff);
4897 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4898
4899 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4900 (u64) bp->stats_blk_mapping & 0xffffffff);
4901 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4902 (u64) bp->stats_blk_mapping >> 32);
4903
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004904 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004905 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4906
4907 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4908 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4909
4910 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4911 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4912
4913 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4914
4915 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4916
4917 REG_WR(bp, BNX2_HC_COM_TICKS,
4918 (bp->com_ticks_int << 16) | bp->com_ticks);
4919
4920 REG_WR(bp, BNX2_HC_CMD_TICKS,
4921 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4922
Michael Chan61d9e3f2009-08-21 16:20:46 +00004923 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chan02537b062007-06-04 21:24:07 -07004924 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4925 else
Michael Chan7ea69202007-07-16 18:27:10 -07004926 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004927 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4928
4929 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004930 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004931 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004932 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4933 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004934 }
4935
Michael Chanefde73a2010-02-15 19:42:07 +00004936 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004937 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4938 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4939
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004940 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4941 }
4942
4943 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00004944 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004945
4946 REG_WR(bp, BNX2_HC_CONFIG, val);
4947
4948 for (i = 1; i < bp->irq_nvecs; i++) {
4949 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4950 BNX2_HC_SB_CONFIG_1;
4951
Michael Chan6f743ca2008-01-29 21:34:08 -08004952 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004953 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004954 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004955 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4956
Michael Chan6f743ca2008-01-29 21:34:08 -08004957 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004958 (bp->tx_quick_cons_trip_int << 16) |
4959 bp->tx_quick_cons_trip);
4960
Michael Chan6f743ca2008-01-29 21:34:08 -08004961 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004962 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4963
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004964 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4965 (bp->rx_quick_cons_trip_int << 16) |
4966 bp->rx_quick_cons_trip);
4967
4968 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4969 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004970 }
4971
Michael Chanb6016b72005-05-26 13:03:09 -07004972 /* Clear internal stats counters. */
4973 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4974
Michael Chanda3e4fb2007-05-03 13:24:23 -07004975 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004976
4977 /* Initialize the receive filter. */
4978 bnx2_set_rx_mode(bp->dev);
4979
Michael Chan0aa38df2007-06-04 21:23:06 -07004980 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4981 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4982 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4983 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4984 }
Michael Chanb090ae22006-01-23 16:07:10 -08004985 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07004986 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004987
Michael Chandf149d72007-07-07 22:51:36 -07004988 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004989 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4990
4991 udelay(20);
4992
Michael Chanbf5295b2006-03-23 01:11:56 -08004993 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4994
Michael Chanb090ae22006-01-23 16:07:10 -08004995 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004996}
4997
Michael Chan59b47d82006-11-19 14:10:45 -08004998static void
Michael Chanc76c0472007-12-20 20:01:19 -08004999bnx2_clear_ring_states(struct bnx2 *bp)
5000{
5001 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005002 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005003 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08005004 int i;
5005
5006 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5007 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07005008 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005009 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005010
Michael Chan35e90102008-06-19 16:37:42 -07005011 txr->tx_cons = 0;
5012 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005013 rxr->rx_prod_bseq = 0;
5014 rxr->rx_prod = 0;
5015 rxr->rx_cons = 0;
5016 rxr->rx_pg_prod = 0;
5017 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005018 }
5019}
5020
5021static void
Michael Chan35e90102008-06-19 16:37:42 -07005022bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005023{
5024 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005025 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005026
5027 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5028 offset0 = BNX2_L2CTX_TYPE_XI;
5029 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5030 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5031 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5032 } else {
5033 offset0 = BNX2_L2CTX_TYPE;
5034 offset1 = BNX2_L2CTX_CMD_TYPE;
5035 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5036 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5037 }
5038 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005039 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005040
5041 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005042 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005043
Michael Chan35e90102008-06-19 16:37:42 -07005044 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005045 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005046
Michael Chan35e90102008-06-19 16:37:42 -07005047 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005048 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005049}
Michael Chanb6016b72005-05-26 13:03:09 -07005050
5051static void
Michael Chan35e90102008-06-19 16:37:42 -07005052bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005053{
5054 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005055 u32 cid = TX_CID;
5056 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005057 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005058
Michael Chan35e90102008-06-19 16:37:42 -07005059 bnapi = &bp->bnx2_napi[ring_num];
5060 txr = &bnapi->tx_ring;
5061
5062 if (ring_num == 0)
5063 cid = TX_CID;
5064 else
5065 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005066
Michael Chan2f8af122006-08-15 01:39:10 -07005067 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5068
Michael Chan35e90102008-06-19 16:37:42 -07005069 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005070
Michael Chan35e90102008-06-19 16:37:42 -07005071 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5072 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005073
Michael Chan35e90102008-06-19 16:37:42 -07005074 txr->tx_prod = 0;
5075 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005076
Michael Chan35e90102008-06-19 16:37:42 -07005077 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5078 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005079
Michael Chan35e90102008-06-19 16:37:42 -07005080 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005081}
5082
5083static void
Michael Chan5d5d0012007-12-12 11:17:43 -08005084bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5085 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005086{
Michael Chanb6016b72005-05-26 13:03:09 -07005087 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08005088 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005089
Michael Chan5d5d0012007-12-12 11:17:43 -08005090 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005091 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005092
Michael Chan5d5d0012007-12-12 11:17:43 -08005093 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08005094 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005095 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005096 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5097 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005098 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005099 j = 0;
5100 else
5101 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005102 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5103 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005104 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005105}
5106
5107static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005108bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005109{
5110 int i;
5111 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005112 u32 cid, rx_cid_addr, val;
5113 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5114 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005115
Michael Chanbb4f98a2008-06-19 16:38:19 -07005116 if (ring_num == 0)
5117 cid = RX_CID;
5118 else
5119 cid = RX_RSS_CID + ring_num - 1;
5120
5121 rx_cid_addr = GET_CID_ADDR(cid);
5122
5123 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005124 bp->rx_buf_use_size, bp->rx_max_ring);
5125
Michael Chanbb4f98a2008-06-19 16:38:19 -07005126 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005127
5128 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5129 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5130 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5131 }
5132
Michael Chan62a83132008-01-29 21:35:40 -08005133 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005134 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005135 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5136 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005137 PAGE_SIZE, bp->rx_max_pg_ring);
5138 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005139 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5140 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005141 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005142
Michael Chanbb4f98a2008-06-19 16:38:19 -07005143 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005144 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005145
Michael Chanbb4f98a2008-06-19 16:38:19 -07005146 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005147 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005148
5149 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5150 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5151 }
Michael Chanb6016b72005-05-26 13:03:09 -07005152
Michael Chanbb4f98a2008-06-19 16:38:19 -07005153 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005154 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005155
Michael Chanbb4f98a2008-06-19 16:38:19 -07005156 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005157 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005158
Michael Chanbb4f98a2008-06-19 16:38:19 -07005159 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005160 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005161 if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005162 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5163 ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005164 break;
Michael Chanb929e532009-12-03 09:46:33 +00005165 }
Michael Chan47bf4242007-12-12 11:19:12 -08005166 prod = NEXT_RX_BD(prod);
5167 ring_prod = RX_PG_RING_IDX(prod);
5168 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005169 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005170
Michael Chanbb4f98a2008-06-19 16:38:19 -07005171 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005172 for (i = 0; i < bp->rx_ring_size; i++) {
Michael Chanb929e532009-12-03 09:46:33 +00005173 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005174 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5175 ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005176 break;
Michael Chanb929e532009-12-03 09:46:33 +00005177 }
Michael Chanb6016b72005-05-26 13:03:09 -07005178 prod = NEXT_RX_BD(prod);
5179 ring_prod = RX_RING_IDX(prod);
5180 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005181 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005182
Michael Chanbb4f98a2008-06-19 16:38:19 -07005183 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5184 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5185 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005186
Michael Chanbb4f98a2008-06-19 16:38:19 -07005187 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5188 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5189
5190 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005191}
5192
Michael Chan35e90102008-06-19 16:37:42 -07005193static void
5194bnx2_init_all_rings(struct bnx2 *bp)
5195{
5196 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005197 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005198
5199 bnx2_clear_ring_states(bp);
5200
5201 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5202 for (i = 0; i < bp->num_tx_rings; i++)
5203 bnx2_init_tx_ring(bp, i);
5204
5205 if (bp->num_tx_rings > 1)
5206 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5207 (TX_TSS_CID << 7));
5208
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005209 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5210 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5211
Michael Chanbb4f98a2008-06-19 16:38:19 -07005212 for (i = 0; i < bp->num_rx_rings; i++)
5213 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005214
5215 if (bp->num_rx_rings > 1) {
5216 u32 tbl_32;
5217 u8 *tbl = (u8 *) &tbl_32;
5218
5219 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
5220 BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
5221
5222 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
5223 tbl[i % 4] = i % (bp->num_rx_rings - 1);
5224 if ((i % 4) == 3)
5225 bnx2_reg_wr_ind(bp,
5226 BNX2_RXP_SCRATCH_RSS_TBL + i,
5227 cpu_to_be32(tbl_32));
5228 }
5229
5230 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5231 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5232
5233 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5234
5235 }
Michael Chan35e90102008-06-19 16:37:42 -07005236}
5237
Michael Chan5d5d0012007-12-12 11:17:43 -08005238static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005239{
Michael Chan5d5d0012007-12-12 11:17:43 -08005240 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005241
Michael Chan5d5d0012007-12-12 11:17:43 -08005242 while (ring_size > MAX_RX_DESC_CNT) {
5243 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005244 num_rings++;
5245 }
5246 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005247 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005248 while ((max & num_rings) == 0)
5249 max >>= 1;
5250
5251 if (num_rings != max)
5252 max <<= 1;
5253
Michael Chan5d5d0012007-12-12 11:17:43 -08005254 return max;
5255}
5256
5257static void
5258bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5259{
Michael Chan84eaa182007-12-12 11:19:57 -08005260 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005261
5262 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005263 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005264
Michael Chan84eaa182007-12-12 11:19:57 -08005265 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5266 sizeof(struct skb_shared_info);
5267
Benjamin Li601d3d12008-05-16 22:19:35 -07005268 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005269 bp->rx_pg_ring_size = 0;
5270 bp->rx_max_pg_ring = 0;
5271 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005272 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005273 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5274
5275 jumbo_size = size * pages;
5276 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5277 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5278
5279 bp->rx_pg_ring_size = jumbo_size;
5280 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5281 MAX_RX_PG_RINGS);
5282 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005283 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005284 bp->rx_copy_thresh = 0;
5285 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005286
5287 bp->rx_buf_use_size = rx_size;
5288 /* hw alignment */
5289 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005290 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005291 bp->rx_ring_size = size;
5292 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08005293 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5294}
5295
5296static void
Michael Chanb6016b72005-05-26 13:03:09 -07005297bnx2_free_tx_skbs(struct bnx2 *bp)
5298{
5299 int i;
5300
Michael Chan35e90102008-06-19 16:37:42 -07005301 for (i = 0; i < bp->num_tx_rings; i++) {
5302 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5303 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5304 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005305
Michael Chan35e90102008-06-19 16:37:42 -07005306 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005307 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005308
Michael Chan35e90102008-06-19 16:37:42 -07005309 for (j = 0; j < TX_DESC_CNT; ) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005310 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005311 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005312 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005313
5314 if (skb == NULL) {
5315 j++;
5316 continue;
5317 }
5318
Alexander Duycke95524a2009-12-02 16:47:57 +00005319 pci_unmap_single(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005320 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005321 skb_headlen(skb),
5322 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005323
Michael Chan35e90102008-06-19 16:37:42 -07005324 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005325
Alexander Duycke95524a2009-12-02 16:47:57 +00005326 last = tx_buf->nr_frags;
5327 j++;
5328 for (k = 0; k < last; k++, j++) {
5329 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
5330 pci_unmap_page(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005331 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005332 skb_shinfo(skb)->frags[k].size,
5333 PCI_DMA_TODEVICE);
5334 }
Michael Chan35e90102008-06-19 16:37:42 -07005335 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005336 }
Michael Chanb6016b72005-05-26 13:03:09 -07005337 }
Michael Chanb6016b72005-05-26 13:03:09 -07005338}
5339
5340static void
5341bnx2_free_rx_skbs(struct bnx2 *bp)
5342{
5343 int i;
5344
Michael Chanbb4f98a2008-06-19 16:38:19 -07005345 for (i = 0; i < bp->num_rx_rings; i++) {
5346 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5347 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5348 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005349
Michael Chanbb4f98a2008-06-19 16:38:19 -07005350 if (rxr->rx_buf_ring == NULL)
5351 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005352
Michael Chanbb4f98a2008-06-19 16:38:19 -07005353 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5354 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5355 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07005356
Michael Chanbb4f98a2008-06-19 16:38:19 -07005357 if (skb == NULL)
5358 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005359
Michael Chanbb4f98a2008-06-19 16:38:19 -07005360 pci_unmap_single(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005361 dma_unmap_addr(rx_buf, mapping),
Michael Chanbb4f98a2008-06-19 16:38:19 -07005362 bp->rx_buf_use_size,
5363 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005364
Michael Chanbb4f98a2008-06-19 16:38:19 -07005365 rx_buf->skb = NULL;
5366
5367 dev_kfree_skb(skb);
5368 }
5369 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5370 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005371 }
5372}
5373
5374static void
5375bnx2_free_skbs(struct bnx2 *bp)
5376{
5377 bnx2_free_tx_skbs(bp);
5378 bnx2_free_rx_skbs(bp);
5379}
5380
5381static int
5382bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5383{
5384 int rc;
5385
5386 rc = bnx2_reset_chip(bp, reset_code);
5387 bnx2_free_skbs(bp);
5388 if (rc)
5389 return rc;
5390
Michael Chanfba9fe92006-06-12 22:21:25 -07005391 if ((rc = bnx2_init_chip(bp)) != 0)
5392 return rc;
5393
Michael Chan35e90102008-06-19 16:37:42 -07005394 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005395 return 0;
5396}
5397
5398static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005399bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005400{
5401 int rc;
5402
5403 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5404 return rc;
5405
Michael Chan80be4432006-11-19 14:07:28 -08005406 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005407 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005408 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005409 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5410 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005411 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005412 return 0;
5413}
5414
5415static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005416bnx2_shutdown_chip(struct bnx2 *bp)
5417{
5418 u32 reset_code;
5419
5420 if (bp->flags & BNX2_FLAG_NO_WOL)
5421 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5422 else if (bp->wol)
5423 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5424 else
5425 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5426
5427 return bnx2_reset_chip(bp, reset_code);
5428}
5429
5430static int
Michael Chanb6016b72005-05-26 13:03:09 -07005431bnx2_test_registers(struct bnx2 *bp)
5432{
5433 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005434 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005435 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005436 u16 offset;
5437 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005438#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005439 u32 rw_mask;
5440 u32 ro_mask;
5441 } reg_tbl[] = {
5442 { 0x006c, 0, 0x00000000, 0x0000003f },
5443 { 0x0090, 0, 0xffffffff, 0x00000000 },
5444 { 0x0094, 0, 0x00000000, 0x00000000 },
5445
Michael Chan5bae30c2007-05-03 13:18:46 -07005446 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5447 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5448 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5449 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5450 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5451 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5452 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5453 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5454 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005455
Michael Chan5bae30c2007-05-03 13:18:46 -07005456 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5457 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5458 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5459 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5460 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5461 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005462
Michael Chan5bae30c2007-05-03 13:18:46 -07005463 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5464 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5465 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005466
5467 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005468 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005469
5470 { 0x1408, 0, 0x01c00800, 0x00000000 },
5471 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5472 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005473 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005474 { 0x14b0, 0, 0x00000002, 0x00000001 },
5475 { 0x14b8, 0, 0x00000000, 0x00000000 },
5476 { 0x14c0, 0, 0x00000000, 0x00000009 },
5477 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5478 { 0x14cc, 0, 0x00000000, 0x00000001 },
5479 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005480
5481 { 0x1800, 0, 0x00000000, 0x00000001 },
5482 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005483
5484 { 0x2800, 0, 0x00000000, 0x00000001 },
5485 { 0x2804, 0, 0x00000000, 0x00003f01 },
5486 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5487 { 0x2810, 0, 0xffff0000, 0x00000000 },
5488 { 0x2814, 0, 0xffff0000, 0x00000000 },
5489 { 0x2818, 0, 0xffff0000, 0x00000000 },
5490 { 0x281c, 0, 0xffff0000, 0x00000000 },
5491 { 0x2834, 0, 0xffffffff, 0x00000000 },
5492 { 0x2840, 0, 0x00000000, 0xffffffff },
5493 { 0x2844, 0, 0x00000000, 0xffffffff },
5494 { 0x2848, 0, 0xffffffff, 0x00000000 },
5495 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5496
5497 { 0x2c00, 0, 0x00000000, 0x00000011 },
5498 { 0x2c04, 0, 0x00000000, 0x00030007 },
5499
Michael Chanb6016b72005-05-26 13:03:09 -07005500 { 0x3c00, 0, 0x00000000, 0x00000001 },
5501 { 0x3c04, 0, 0x00000000, 0x00070000 },
5502 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5503 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5504 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5505 { 0x3c14, 0, 0x00000000, 0xffffffff },
5506 { 0x3c18, 0, 0x00000000, 0xffffffff },
5507 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5508 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005509
5510 { 0x5004, 0, 0x00000000, 0x0000007f },
5511 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005512
Michael Chanb6016b72005-05-26 13:03:09 -07005513 { 0x5c00, 0, 0x00000000, 0x00000001 },
5514 { 0x5c04, 0, 0x00000000, 0x0003000f },
5515 { 0x5c08, 0, 0x00000003, 0x00000000 },
5516 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5517 { 0x5c10, 0, 0x00000000, 0xffffffff },
5518 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5519 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5520 { 0x5c88, 0, 0x00000000, 0x00077373 },
5521 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5522
5523 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5524 { 0x680c, 0, 0xffffffff, 0x00000000 },
5525 { 0x6810, 0, 0xffffffff, 0x00000000 },
5526 { 0x6814, 0, 0xffffffff, 0x00000000 },
5527 { 0x6818, 0, 0xffffffff, 0x00000000 },
5528 { 0x681c, 0, 0xffffffff, 0x00000000 },
5529 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5530 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5531 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5532 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5533 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5534 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5535 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5536 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5537 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5538 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5539 { 0x684c, 0, 0xffffffff, 0x00000000 },
5540 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5541 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5542 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5543 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5544 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5545 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5546
5547 { 0xffff, 0, 0x00000000, 0x00000000 },
5548 };
5549
5550 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005551 is_5709 = 0;
5552 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5553 is_5709 = 1;
5554
Michael Chanb6016b72005-05-26 13:03:09 -07005555 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5556 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005557 u16 flags = reg_tbl[i].flags;
5558
5559 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5560 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005561
5562 offset = (u32) reg_tbl[i].offset;
5563 rw_mask = reg_tbl[i].rw_mask;
5564 ro_mask = reg_tbl[i].ro_mask;
5565
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005566 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005567
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005568 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005569
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005570 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005571 if ((val & rw_mask) != 0) {
5572 goto reg_test_err;
5573 }
5574
5575 if ((val & ro_mask) != (save_val & ro_mask)) {
5576 goto reg_test_err;
5577 }
5578
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005579 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005580
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005581 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005582 if ((val & rw_mask) != rw_mask) {
5583 goto reg_test_err;
5584 }
5585
5586 if ((val & ro_mask) != (save_val & ro_mask)) {
5587 goto reg_test_err;
5588 }
5589
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005590 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005591 continue;
5592
5593reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005594 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005595 ret = -ENODEV;
5596 break;
5597 }
5598 return ret;
5599}
5600
5601static int
5602bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5603{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005604 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005605 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5606 int i;
5607
5608 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5609 u32 offset;
5610
5611 for (offset = 0; offset < size; offset += 4) {
5612
Michael Chan2726d6e2008-01-29 21:35:05 -08005613 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005614
Michael Chan2726d6e2008-01-29 21:35:05 -08005615 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005616 test_pattern[i]) {
5617 return -ENODEV;
5618 }
5619 }
5620 }
5621 return 0;
5622}
5623
5624static int
5625bnx2_test_memory(struct bnx2 *bp)
5626{
5627 int ret = 0;
5628 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005629 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005630 u32 offset;
5631 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005632 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005633 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005634 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005635 { 0xe0000, 0x4000 },
5636 { 0x120000, 0x4000 },
5637 { 0x1a0000, 0x4000 },
5638 { 0x160000, 0x4000 },
5639 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005640 },
5641 mem_tbl_5709[] = {
5642 { 0x60000, 0x4000 },
5643 { 0xa0000, 0x3000 },
5644 { 0xe0000, 0x4000 },
5645 { 0x120000, 0x4000 },
5646 { 0x1a0000, 0x4000 },
5647 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005648 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005649 struct mem_entry *mem_tbl;
5650
5651 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5652 mem_tbl = mem_tbl_5709;
5653 else
5654 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005655
5656 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5657 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5658 mem_tbl[i].len)) != 0) {
5659 return ret;
5660 }
5661 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005662
Michael Chanb6016b72005-05-26 13:03:09 -07005663 return ret;
5664}
5665
Michael Chanbc5a0692006-01-23 16:13:22 -08005666#define BNX2_MAC_LOOPBACK 0
5667#define BNX2_PHY_LOOPBACK 1
5668
Michael Chanb6016b72005-05-26 13:03:09 -07005669static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005670bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005671{
5672 unsigned int pkt_size, num_pkts, i;
5673 struct sk_buff *skb, *rx_skb;
5674 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005675 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005676 dma_addr_t map;
5677 struct tx_bd *txbd;
5678 struct sw_bd *rx_buf;
5679 struct l2_fhdr *rx_hdr;
5680 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005681 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005682 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005683 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005684
5685 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005686
Michael Chan35e90102008-06-19 16:37:42 -07005687 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005688 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005689 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5690 bp->loopback = MAC_LOOPBACK;
5691 bnx2_set_mac_loopback(bp);
5692 }
5693 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005694 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005695 return 0;
5696
Michael Chan80be4432006-11-19 14:07:28 -08005697 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005698 bnx2_set_phy_loopback(bp);
5699 }
5700 else
5701 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005702
Michael Chan84eaa182007-12-12 11:19:57 -08005703 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005704 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005705 if (!skb)
5706 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005707 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005708 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005709 memset(packet + 6, 0x0, 8);
5710 for (i = 14; i < pkt_size; i++)
5711 packet[i] = (unsigned char) (i & 0xff);
5712
Alexander Duycke95524a2009-12-02 16:47:57 +00005713 map = pci_map_single(bp->pdev, skb->data, pkt_size,
5714 PCI_DMA_TODEVICE);
5715 if (pci_dma_mapping_error(bp->pdev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005716 dev_kfree_skb(skb);
5717 return -EIO;
5718 }
Michael Chanb6016b72005-05-26 13:03:09 -07005719
Michael Chanbf5295b2006-03-23 01:11:56 -08005720 REG_WR(bp, BNX2_HC_COMMAND,
5721 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5722
Michael Chanb6016b72005-05-26 13:03:09 -07005723 REG_RD(bp, BNX2_HC_COMMAND);
5724
5725 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005726 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005727
Michael Chanb6016b72005-05-26 13:03:09 -07005728 num_pkts = 0;
5729
Michael Chan35e90102008-06-19 16:37:42 -07005730 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005731
5732 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5733 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5734 txbd->tx_bd_mss_nbytes = pkt_size;
5735 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5736
5737 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005738 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5739 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005740
Michael Chan35e90102008-06-19 16:37:42 -07005741 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5742 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005743
5744 udelay(100);
5745
Michael Chanbf5295b2006-03-23 01:11:56 -08005746 REG_WR(bp, BNX2_HC_COMMAND,
5747 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5748
Michael Chanb6016b72005-05-26 13:03:09 -07005749 REG_RD(bp, BNX2_HC_COMMAND);
5750
5751 udelay(5);
5752
Alexander Duycke95524a2009-12-02 16:47:57 +00005753 pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005754 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005755
Michael Chan35e90102008-06-19 16:37:42 -07005756 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005757 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005758
Michael Chan35efa7c2007-12-20 19:56:37 -08005759 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005760 if (rx_idx != rx_start_idx + num_pkts) {
5761 goto loopback_test_done;
5762 }
5763
Michael Chanbb4f98a2008-06-19 16:38:19 -07005764 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005765 rx_skb = rx_buf->skb;
5766
5767 rx_hdr = (struct l2_fhdr *) rx_skb->data;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005768 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005769
5770 pci_dma_sync_single_for_cpu(bp->pdev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005771 dma_unmap_addr(rx_buf, mapping),
Michael Chanb6016b72005-05-26 13:03:09 -07005772 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5773
Michael Chanade2bfe2006-01-23 16:09:51 -08005774 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005775 (L2_FHDR_ERRORS_BAD_CRC |
5776 L2_FHDR_ERRORS_PHY_DECODE |
5777 L2_FHDR_ERRORS_ALIGNMENT |
5778 L2_FHDR_ERRORS_TOO_SHORT |
5779 L2_FHDR_ERRORS_GIANT_FRAME)) {
5780
5781 goto loopback_test_done;
5782 }
5783
5784 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5785 goto loopback_test_done;
5786 }
5787
5788 for (i = 14; i < pkt_size; i++) {
5789 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5790 goto loopback_test_done;
5791 }
5792 }
5793
5794 ret = 0;
5795
5796loopback_test_done:
5797 bp->loopback = 0;
5798 return ret;
5799}
5800
Michael Chanbc5a0692006-01-23 16:13:22 -08005801#define BNX2_MAC_LOOPBACK_FAILED 1
5802#define BNX2_PHY_LOOPBACK_FAILED 2
5803#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5804 BNX2_PHY_LOOPBACK_FAILED)
5805
5806static int
5807bnx2_test_loopback(struct bnx2 *bp)
5808{
5809 int rc = 0;
5810
5811 if (!netif_running(bp->dev))
5812 return BNX2_LOOPBACK_FAILED;
5813
5814 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5815 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005816 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005817 spin_unlock_bh(&bp->phy_lock);
5818 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5819 rc |= BNX2_MAC_LOOPBACK_FAILED;
5820 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5821 rc |= BNX2_PHY_LOOPBACK_FAILED;
5822 return rc;
5823}
5824
Michael Chanb6016b72005-05-26 13:03:09 -07005825#define NVRAM_SIZE 0x200
5826#define CRC32_RESIDUAL 0xdebb20e3
5827
5828static int
5829bnx2_test_nvram(struct bnx2 *bp)
5830{
Al Virob491edd2007-12-22 19:44:51 +00005831 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005832 u8 *data = (u8 *) buf;
5833 int rc = 0;
5834 u32 magic, csum;
5835
5836 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5837 goto test_nvram_done;
5838
5839 magic = be32_to_cpu(buf[0]);
5840 if (magic != 0x669955aa) {
5841 rc = -ENODEV;
5842 goto test_nvram_done;
5843 }
5844
5845 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5846 goto test_nvram_done;
5847
5848 csum = ether_crc_le(0x100, data);
5849 if (csum != CRC32_RESIDUAL) {
5850 rc = -ENODEV;
5851 goto test_nvram_done;
5852 }
5853
5854 csum = ether_crc_le(0x100, data + 0x100);
5855 if (csum != CRC32_RESIDUAL) {
5856 rc = -ENODEV;
5857 }
5858
5859test_nvram_done:
5860 return rc;
5861}
5862
5863static int
5864bnx2_test_link(struct bnx2 *bp)
5865{
5866 u32 bmsr;
5867
Michael Chan9f52b562008-10-09 12:21:46 -07005868 if (!netif_running(bp->dev))
5869 return -ENODEV;
5870
Michael Chan583c28e2008-01-21 19:51:35 -08005871 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005872 if (bp->link_up)
5873 return 0;
5874 return -ENODEV;
5875 }
Michael Chanc770a652005-08-25 15:38:39 -07005876 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005877 bnx2_enable_bmsr1(bp);
5878 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5879 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5880 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005881 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005882
Michael Chanb6016b72005-05-26 13:03:09 -07005883 if (bmsr & BMSR_LSTATUS) {
5884 return 0;
5885 }
5886 return -ENODEV;
5887}
5888
5889static int
5890bnx2_test_intr(struct bnx2 *bp)
5891{
5892 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005893 u16 status_idx;
5894
5895 if (!netif_running(bp->dev))
5896 return -ENODEV;
5897
5898 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5899
5900 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005901 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005902 REG_RD(bp, BNX2_HC_COMMAND);
5903
5904 for (i = 0; i < 10; i++) {
5905 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5906 status_idx) {
5907
5908 break;
5909 }
5910
5911 msleep_interruptible(10);
5912 }
5913 if (i < 10)
5914 return 0;
5915
5916 return -ENODEV;
5917}
5918
Michael Chan38ea3682008-02-23 19:48:57 -08005919/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005920static int
5921bnx2_5706_serdes_has_link(struct bnx2 *bp)
5922{
5923 u32 mode_ctl, an_dbg, exp;
5924
Michael Chan38ea3682008-02-23 19:48:57 -08005925 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5926 return 0;
5927
Michael Chanb2fadea2008-01-21 17:07:06 -08005928 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5929 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5930
5931 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5932 return 0;
5933
5934 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5935 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5936 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5937
Michael Chanf3014c0c2008-01-29 21:33:03 -08005938 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005939 return 0;
5940
5941 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5942 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5943 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5944
5945 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5946 return 0;
5947
5948 return 1;
5949}
5950
Michael Chanb6016b72005-05-26 13:03:09 -07005951static void
Michael Chan48b01e22006-11-19 14:08:00 -08005952bnx2_5706_serdes_timer(struct bnx2 *bp)
5953{
Michael Chanb2fadea2008-01-21 17:07:06 -08005954 int check_link = 1;
5955
Michael Chan48b01e22006-11-19 14:08:00 -08005956 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005957 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005958 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005959 check_link = 0;
5960 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005961 u32 bmcr;
5962
Benjamin Liac392ab2008-09-18 16:40:49 -07005963 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005964
Michael Chanca58c3a2007-05-03 13:22:52 -07005965 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005966
5967 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005968 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005969 bmcr &= ~BMCR_ANENABLE;
5970 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005971 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005972 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005973 }
5974 }
5975 }
5976 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005977 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005978 u32 phy2;
5979
5980 bnx2_write_phy(bp, 0x17, 0x0f01);
5981 bnx2_read_phy(bp, 0x15, &phy2);
5982 if (phy2 & 0x20) {
5983 u32 bmcr;
5984
Michael Chanca58c3a2007-05-03 13:22:52 -07005985 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005986 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005987 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005988
Michael Chan583c28e2008-01-21 19:51:35 -08005989 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005990 }
5991 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07005992 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005993
Michael Chana2724e22008-02-23 19:47:44 -08005994 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005995 u32 val;
5996
5997 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5998 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5999 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6000
Michael Chana2724e22008-02-23 19:47:44 -08006001 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6002 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6003 bnx2_5706s_force_link_dn(bp, 1);
6004 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6005 } else
6006 bnx2_set_link(bp);
6007 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6008 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006009 }
Michael Chan48b01e22006-11-19 14:08:00 -08006010 spin_unlock(&bp->phy_lock);
6011}
6012
6013static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006014bnx2_5708_serdes_timer(struct bnx2 *bp)
6015{
Michael Chan583c28e2008-01-21 19:51:35 -08006016 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006017 return;
6018
Michael Chan583c28e2008-01-21 19:51:35 -08006019 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006020 bp->serdes_an_pending = 0;
6021 return;
6022 }
6023
6024 spin_lock(&bp->phy_lock);
6025 if (bp->serdes_an_pending)
6026 bp->serdes_an_pending--;
6027 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6028 u32 bmcr;
6029
Michael Chanca58c3a2007-05-03 13:22:52 -07006030 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006031 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006032 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006033 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006034 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006035 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006036 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006037 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006038 }
6039
6040 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006041 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006042
6043 spin_unlock(&bp->phy_lock);
6044}
6045
6046static void
Michael Chanb6016b72005-05-26 13:03:09 -07006047bnx2_timer(unsigned long data)
6048{
6049 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006050
Michael Chancd339a02005-08-25 15:35:24 -07006051 if (!netif_running(bp->dev))
6052 return;
6053
Michael Chanb6016b72005-05-26 13:03:09 -07006054 if (atomic_read(&bp->intr_sem) != 0)
6055 goto bnx2_restart_timer;
6056
Michael Chanefba0182008-12-03 00:36:15 -08006057 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6058 BNX2_FLAG_USING_MSI)
6059 bnx2_chk_missed_msi(bp);
6060
Michael Chandf149d72007-07-07 22:51:36 -07006061 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006062
Michael Chan2726d6e2008-01-29 21:35:05 -08006063 bp->stats_blk->stat_FwRxDrop =
6064 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006065
Michael Chan02537b062007-06-04 21:24:07 -07006066 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006067 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chan02537b062007-06-04 21:24:07 -07006068 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6069 BNX2_HC_COMMAND_STATS_NOW);
6070
Michael Chan583c28e2008-01-21 19:51:35 -08006071 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006072 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6073 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006074 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006075 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006076 }
6077
6078bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006079 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006080}
6081
Michael Chan8e6a72c2007-05-03 13:24:48 -07006082static int
6083bnx2_request_irq(struct bnx2 *bp)
6084{
Michael Chan6d866ff2007-12-20 19:56:09 -08006085 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006086 struct bnx2_irq *irq;
6087 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006088
David S. Millerf86e82f2008-01-21 17:15:40 -08006089 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006090 flags = 0;
6091 else
6092 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006093
6094 for (i = 0; i < bp->irq_nvecs; i++) {
6095 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006096 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006097 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006098 if (rc)
6099 break;
6100 irq->requested = 1;
6101 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006102 return rc;
6103}
6104
6105static void
6106bnx2_free_irq(struct bnx2 *bp)
6107{
Michael Chanb4b36042007-12-20 19:59:30 -08006108 struct bnx2_irq *irq;
6109 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006110
Michael Chanb4b36042007-12-20 19:59:30 -08006111 for (i = 0; i < bp->irq_nvecs; i++) {
6112 irq = &bp->irq_tbl[i];
6113 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006114 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006115 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006116 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006117 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08006118 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08006119 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08006120 pci_disable_msix(bp->pdev);
6121
David S. Millerf86e82f2008-01-21 17:15:40 -08006122 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08006123}
6124
6125static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006126bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08006127{
Michael Chan57851d82007-12-20 20:01:44 -08006128 int i, rc;
6129 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
Michael Chan4e1d0de2008-12-16 20:27:45 -08006130 struct net_device *dev = bp->dev;
6131 const int len = sizeof(bp->irq_tbl[0].name);
Michael Chan57851d82007-12-20 20:01:44 -08006132
Michael Chanb4b36042007-12-20 19:59:30 -08006133 bnx2_setup_msix_tbl(bp);
6134 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6135 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6136 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08006137
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006138 /* Need to flush the previous three writes to ensure MSI-X
6139 * is setup properly */
6140 REG_RD(bp, BNX2_PCI_MSIX_CONTROL);
6141
Michael Chan57851d82007-12-20 20:01:44 -08006142 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6143 msix_ent[i].entry = i;
6144 msix_ent[i].vector = 0;
6145 }
6146
6147 rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
6148 if (rc != 0)
6149 return;
6150
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006151 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006152 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan69010312009-03-18 18:11:51 -07006153 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006154 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006155 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6156 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6157 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006158}
6159
6160static void
6161bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6162{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006163 int cpus = num_online_cpus();
Benjamin Li706bf242008-07-18 17:55:11 -07006164 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006165
Michael Chan6d866ff2007-12-20 19:56:09 -08006166 bp->irq_tbl[0].handler = bnx2_interrupt;
6167 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006168 bp->irq_nvecs = 1;
6169 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006170
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006171 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
6172 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006173
David S. Millerf86e82f2008-01-21 17:15:40 -08006174 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6175 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006176 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006177 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006178 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006179 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006180 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6181 } else
6182 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006183
6184 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006185 }
6186 }
Benjamin Li706bf242008-07-18 17:55:11 -07006187
6188 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6189 bp->dev->real_num_tx_queues = bp->num_tx_rings;
6190
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006191 bp->num_rx_rings = bp->irq_nvecs;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006192}
6193
Michael Chanb6016b72005-05-26 13:03:09 -07006194/* Called with rtnl_lock */
6195static int
6196bnx2_open(struct net_device *dev)
6197{
Michael Chan972ec0d2006-01-23 16:12:43 -08006198 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006199 int rc;
6200
Michael Chan1b2f9222007-05-03 13:20:19 -07006201 netif_carrier_off(dev);
6202
Pavel Machek829ca9a2005-09-03 15:56:56 -07006203 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07006204 bnx2_disable_int(bp);
6205
Michael Chan6d866ff2007-12-20 19:56:09 -08006206 bnx2_setup_int_mode(bp, disable_msi);
Benjamin Li4327ba42010-03-23 13:13:11 +00006207 bnx2_init_napi(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006208 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006209 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006210 if (rc)
6211 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006212
Michael Chan8e6a72c2007-05-03 13:24:48 -07006213 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006214 if (rc)
6215 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006216
Michael Chan9a120bc2008-05-16 22:17:45 -07006217 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006218 if (rc)
6219 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006220
Michael Chancd339a02005-08-25 15:35:24 -07006221 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006222
6223 atomic_set(&bp->intr_sem, 0);
6224
Michael Chan354fcd72010-01-17 07:30:44 +00006225 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6226
Michael Chanb6016b72005-05-26 13:03:09 -07006227 bnx2_enable_int(bp);
6228
David S. Millerf86e82f2008-01-21 17:15:40 -08006229 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006230 /* Test MSI to make sure it is working
6231 * If MSI test fails, go back to INTx mode
6232 */
6233 if (bnx2_test_intr(bp) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00006234 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 -07006235
6236 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006237 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006238
Michael Chan6d866ff2007-12-20 19:56:09 -08006239 bnx2_setup_int_mode(bp, 1);
6240
Michael Chan9a120bc2008-05-16 22:17:45 -07006241 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006242
Michael Chan8e6a72c2007-05-03 13:24:48 -07006243 if (!rc)
6244 rc = bnx2_request_irq(bp);
6245
Michael Chanb6016b72005-05-26 13:03:09 -07006246 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006247 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006248 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006249 }
6250 bnx2_enable_int(bp);
6251 }
6252 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006253 if (bp->flags & BNX2_FLAG_USING_MSI)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006254 netdev_info(dev, "using MSI\n");
David S. Millerf86e82f2008-01-21 17:15:40 -08006255 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006256 netdev_info(dev, "using MSIX\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006257
Benjamin Li706bf242008-07-18 17:55:11 -07006258 netif_tx_start_all_queues(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006259
6260 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07006261
6262open_err:
6263 bnx2_napi_disable(bp);
6264 bnx2_free_skbs(bp);
6265 bnx2_free_irq(bp);
6266 bnx2_free_mem(bp);
6267 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006268}
6269
6270static void
David Howellsc4028952006-11-22 14:57:56 +00006271bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006272{
David Howellsc4028952006-11-22 14:57:56 +00006273 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07006274
Michael Chan51bf6bb2009-12-03 09:46:31 +00006275 rtnl_lock();
6276 if (!netif_running(bp->dev)) {
6277 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006278 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006279 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006280
Michael Chan212f9932010-04-27 11:28:10 +00006281 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07006282
Michael Chan9a120bc2008-05-16 22:17:45 -07006283 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006284
6285 atomic_set(&bp->intr_sem, 1);
Michael Chan212f9932010-04-27 11:28:10 +00006286 bnx2_netif_start(bp, true);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006287 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006288}
6289
6290static void
Michael Chan20175c52009-12-03 09:46:32 +00006291bnx2_dump_state(struct bnx2 *bp)
6292{
6293 struct net_device *dev = bp->dev;
6294
Joe Perches3a9c6a42010-02-17 15:01:51 +00006295 netdev_err(dev, "DEBUG: intr_sem[%x]\n", atomic_read(&bp->intr_sem));
6296 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] RPM_MGMT_PKT_CTRL[%08x]\n",
6297 REG_RD(bp, BNX2_EMAC_TX_STATUS),
6298 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
6299 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
6300 bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0),
6301 bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1));
6302 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6303 REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
Michael Chan20175c52009-12-03 09:46:32 +00006304 if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006305 netdev_err(dev, "DEBUG: PBA[%08x]\n",
6306 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
Michael Chan20175c52009-12-03 09:46:32 +00006307}
6308
6309static void
Michael Chanb6016b72005-05-26 13:03:09 -07006310bnx2_tx_timeout(struct net_device *dev)
6311{
Michael Chan972ec0d2006-01-23 16:12:43 -08006312 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006313
Michael Chan20175c52009-12-03 09:46:32 +00006314 bnx2_dump_state(bp);
6315
Michael Chanb6016b72005-05-26 13:03:09 -07006316 /* This allows the netif to be shutdown gracefully before resetting */
6317 schedule_work(&bp->reset_task);
6318}
6319
6320#ifdef BCM_VLAN
6321/* Called with rtnl_lock */
6322static void
6323bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6324{
Michael Chan972ec0d2006-01-23 16:12:43 -08006325 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006326
Michael Chan37675462009-08-21 16:20:44 +00006327 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00006328 bnx2_netif_stop(bp, false);
Michael Chanb6016b72005-05-26 13:03:09 -07006329
6330 bp->vlgrp = vlgrp;
Michael Chan37675462009-08-21 16:20:44 +00006331
6332 if (!netif_running(dev))
6333 return;
6334
Michael Chanb6016b72005-05-26 13:03:09 -07006335 bnx2_set_rx_mode(dev);
Michael Chan7c62e832008-07-14 22:39:03 -07006336 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6337 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006338
Michael Chan212f9932010-04-27 11:28:10 +00006339 bnx2_netif_start(bp, false);
Michael Chanb6016b72005-05-26 13:03:09 -07006340}
Michael Chanb6016b72005-05-26 13:03:09 -07006341#endif
6342
Herbert Xu932ff272006-06-09 12:20:56 -07006343/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006344 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6345 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006346 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006347static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006348bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6349{
Michael Chan972ec0d2006-01-23 16:12:43 -08006350 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006351 dma_addr_t mapping;
6352 struct tx_bd *txbd;
Benjamin Li3d16af82008-10-09 12:26:41 -07006353 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006354 u32 len, vlan_tag_flags, last_frag, mss;
6355 u16 prod, ring_prod;
6356 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006357 struct bnx2_napi *bnapi;
6358 struct bnx2_tx_ring_info *txr;
6359 struct netdev_queue *txq;
6360
6361 /* Determine which tx ring we will be placed on */
6362 i = skb_get_queue_mapping(skb);
6363 bnapi = &bp->bnx2_napi[i];
6364 txr = &bnapi->tx_ring;
6365 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006366
Michael Chan35e90102008-06-19 16:37:42 -07006367 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006368 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006369 netif_tx_stop_queue(txq);
Joe Perches3a9c6a42010-02-17 15:01:51 +00006370 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006371
6372 return NETDEV_TX_BUSY;
6373 }
6374 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006375 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006376 ring_prod = TX_RING_IDX(prod);
6377
6378 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006379 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006380 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6381 }
6382
Michael Chan729b85c2008-08-14 15:29:39 -07006383#ifdef BCM_VLAN
Al Viro79ea13c2008-01-24 02:06:46 -08006384 if (bp->vlgrp && vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006385 vlan_tag_flags |=
6386 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6387 }
Michael Chan729b85c2008-08-14 15:29:39 -07006388#endif
Michael Chanfde82052007-05-03 17:23:35 -07006389 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006390 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006391 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006392
Michael Chanb6016b72005-05-26 13:03:09 -07006393 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6394
Michael Chan4666f872007-05-03 13:22:28 -07006395 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006396
Michael Chan4666f872007-05-03 13:22:28 -07006397 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6398 u32 tcp_off = skb_transport_offset(skb) -
6399 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006400
Michael Chan4666f872007-05-03 13:22:28 -07006401 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6402 TX_BD_FLAGS_SW_FLAGS;
6403 if (likely(tcp_off == 0))
6404 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6405 else {
6406 tcp_off >>= 3;
6407 vlan_tag_flags |= ((tcp_off & 0x3) <<
6408 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6409 ((tcp_off & 0x10) <<
6410 TX_BD_FLAGS_TCP6_OFF4_SHL);
6411 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6412 }
6413 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006414 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006415 if (tcp_opt_len || (iph->ihl > 5)) {
6416 vlan_tag_flags |= ((iph->ihl - 5) +
6417 (tcp_opt_len >> 2)) << 8;
6418 }
Michael Chanb6016b72005-05-26 13:03:09 -07006419 }
Michael Chan4666f872007-05-03 13:22:28 -07006420 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006421 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006422
Alexander Duycke95524a2009-12-02 16:47:57 +00006423 mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
6424 if (pci_dma_mapping_error(bp->pdev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07006425 dev_kfree_skb(skb);
6426 return NETDEV_TX_OK;
6427 }
6428
Michael Chan35e90102008-06-19 16:37:42 -07006429 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006430 tx_buf->skb = skb;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006431 dma_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006432
Michael Chan35e90102008-06-19 16:37:42 -07006433 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006434
6435 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6436 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6437 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6438 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6439
6440 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006441 tx_buf->nr_frags = last_frag;
6442 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006443
6444 for (i = 0; i < last_frag; i++) {
6445 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6446
6447 prod = NEXT_TX_BD(prod);
6448 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006449 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006450
6451 len = frag->size;
Alexander Duycke95524a2009-12-02 16:47:57 +00006452 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
6453 len, PCI_DMA_TODEVICE);
6454 if (pci_dma_mapping_error(bp->pdev, mapping))
6455 goto dma_error;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006456 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
Alexander Duycke95524a2009-12-02 16:47:57 +00006457 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006458
6459 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6460 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6461 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6462 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6463
6464 }
6465 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6466
6467 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006468 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006469
Michael Chan35e90102008-06-19 16:37:42 -07006470 REG_WR16(bp, txr->tx_bidx_addr, prod);
6471 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006472
6473 mmiowb();
6474
Michael Chan35e90102008-06-19 16:37:42 -07006475 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006476
Michael Chan35e90102008-06-19 16:37:42 -07006477 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006478 netif_tx_stop_queue(txq);
Michael Chan35e90102008-06-19 16:37:42 -07006479 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006480 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006481 }
6482
6483 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006484dma_error:
6485 /* save value of frag that failed */
6486 last_frag = i;
6487
6488 /* start back at beginning and unmap skb */
6489 prod = txr->tx_prod;
6490 ring_prod = TX_RING_IDX(prod);
6491 tx_buf = &txr->tx_buf_ring[ring_prod];
6492 tx_buf->skb = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006493 pci_unmap_single(bp->pdev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006494 skb_headlen(skb), PCI_DMA_TODEVICE);
6495
6496 /* unmap remaining mapped pages */
6497 for (i = 0; i < last_frag; i++) {
6498 prod = NEXT_TX_BD(prod);
6499 ring_prod = TX_RING_IDX(prod);
6500 tx_buf = &txr->tx_buf_ring[ring_prod];
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006501 pci_unmap_page(bp->pdev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006502 skb_shinfo(skb)->frags[i].size,
6503 PCI_DMA_TODEVICE);
6504 }
6505
6506 dev_kfree_skb(skb);
6507 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006508}
6509
6510/* Called with rtnl_lock */
6511static int
6512bnx2_close(struct net_device *dev)
6513{
Michael Chan972ec0d2006-01-23 16:12:43 -08006514 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006515
David S. Miller4bb073c2008-06-12 02:22:02 -07006516 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006517
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006518 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006519 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006520 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006521 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006522 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006523 bnx2_free_skbs(bp);
6524 bnx2_free_mem(bp);
6525 bp->link_up = 0;
6526 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006527 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006528 return 0;
6529}
6530
Michael Chan354fcd72010-01-17 07:30:44 +00006531static void
6532bnx2_save_stats(struct bnx2 *bp)
6533{
6534 u32 *hw_stats = (u32 *) bp->stats_blk;
6535 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6536 int i;
6537
6538 /* The 1st 10 counters are 64-bit counters */
6539 for (i = 0; i < 20; i += 2) {
6540 u32 hi;
6541 u64 lo;
6542
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006543 hi = temp_stats[i] + hw_stats[i];
6544 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
Michael Chan354fcd72010-01-17 07:30:44 +00006545 if (lo > 0xffffffff)
6546 hi++;
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006547 temp_stats[i] = hi;
6548 temp_stats[i + 1] = lo & 0xffffffff;
Michael Chan354fcd72010-01-17 07:30:44 +00006549 }
6550
6551 for ( ; i < sizeof(struct statistics_block) / 4; i++)
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006552 temp_stats[i] += hw_stats[i];
Michael Chan354fcd72010-01-17 07:30:44 +00006553}
6554
Michael Chana4743052010-01-17 07:30:43 +00006555#define GET_64BIT_NET_STATS64(ctr) \
Michael Chanb6016b72005-05-26 13:03:09 -07006556 (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
6557 (unsigned long) (ctr##_lo)
6558
Michael Chana4743052010-01-17 07:30:43 +00006559#define GET_64BIT_NET_STATS32(ctr) \
Michael Chanb6016b72005-05-26 13:03:09 -07006560 (ctr##_lo)
6561
6562#if (BITS_PER_LONG == 64)
Michael Chana4743052010-01-17 07:30:43 +00006563#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006564 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6565 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006566#else
Michael Chana4743052010-01-17 07:30:43 +00006567#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006568 GET_64BIT_NET_STATS32(bp->stats_blk->ctr) + \
6569 GET_64BIT_NET_STATS32(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006570#endif
6571
Michael Chana4743052010-01-17 07:30:43 +00006572#define GET_32BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006573 (unsigned long) (bp->stats_blk->ctr + \
6574 bp->temp_stats_blk->ctr)
Michael Chana4743052010-01-17 07:30:43 +00006575
Michael Chanb6016b72005-05-26 13:03:09 -07006576static struct net_device_stats *
6577bnx2_get_stats(struct net_device *dev)
6578{
Michael Chan972ec0d2006-01-23 16:12:43 -08006579 struct bnx2 *bp = netdev_priv(dev);
Ilpo Järvinend8e80342008-11-28 15:52:43 -08006580 struct net_device_stats *net_stats = &dev->stats;
Michael Chanb6016b72005-05-26 13:03:09 -07006581
6582 if (bp->stats_blk == NULL) {
6583 return net_stats;
6584 }
6585 net_stats->rx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006586 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6587 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6588 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006589
6590 net_stats->tx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006591 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6592 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6593 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006594
6595 net_stats->rx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006596 GET_64BIT_NET_STATS(stat_IfHCInOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006597
6598 net_stats->tx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006599 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006600
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006601 net_stats->multicast =
Michael Chana4743052010-01-17 07:30:43 +00006602 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006603
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006604 net_stats->collisions =
Michael Chana4743052010-01-17 07:30:43 +00006605 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006606
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006607 net_stats->rx_length_errors =
Michael Chana4743052010-01-17 07:30:43 +00006608 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6609 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006610
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006611 net_stats->rx_over_errors =
Michael Chana4743052010-01-17 07:30:43 +00006612 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6613 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006614
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006615 net_stats->rx_frame_errors =
Michael Chana4743052010-01-17 07:30:43 +00006616 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006617
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006618 net_stats->rx_crc_errors =
Michael Chana4743052010-01-17 07:30:43 +00006619 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006620
6621 net_stats->rx_errors = net_stats->rx_length_errors +
6622 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6623 net_stats->rx_crc_errors;
6624
6625 net_stats->tx_aborted_errors =
Michael Chana4743052010-01-17 07:30:43 +00006626 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6627 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006628
Michael Chan5b0c76a2005-11-04 08:45:49 -08006629 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6630 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006631 net_stats->tx_carrier_errors = 0;
6632 else {
6633 net_stats->tx_carrier_errors =
Michael Chana4743052010-01-17 07:30:43 +00006634 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006635 }
6636
6637 net_stats->tx_errors =
Michael Chana4743052010-01-17 07:30:43 +00006638 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
Michael Chanb6016b72005-05-26 13:03:09 -07006639 net_stats->tx_aborted_errors +
6640 net_stats->tx_carrier_errors;
6641
Michael Chancea94db2006-06-12 22:16:13 -07006642 net_stats->rx_missed_errors =
Michael Chana4743052010-01-17 07:30:43 +00006643 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6644 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6645 GET_32BIT_NET_STATS(stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006646
Michael Chanb6016b72005-05-26 13:03:09 -07006647 return net_stats;
6648}
6649
6650/* All ethtool functions called with rtnl_lock */
6651
6652static int
6653bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6654{
Michael Chan972ec0d2006-01-23 16:12:43 -08006655 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006656 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006657
6658 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006659 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006660 support_serdes = 1;
6661 support_copper = 1;
6662 } else if (bp->phy_port == PORT_FIBRE)
6663 support_serdes = 1;
6664 else
6665 support_copper = 1;
6666
6667 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006668 cmd->supported |= SUPPORTED_1000baseT_Full |
6669 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006670 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006671 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006672
Michael Chanb6016b72005-05-26 13:03:09 -07006673 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006674 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006675 cmd->supported |= SUPPORTED_10baseT_Half |
6676 SUPPORTED_10baseT_Full |
6677 SUPPORTED_100baseT_Half |
6678 SUPPORTED_100baseT_Full |
6679 SUPPORTED_1000baseT_Full |
6680 SUPPORTED_TP;
6681
Michael Chanb6016b72005-05-26 13:03:09 -07006682 }
6683
Michael Chan7b6b8342007-07-07 22:50:15 -07006684 spin_lock_bh(&bp->phy_lock);
6685 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006686 cmd->advertising = bp->advertising;
6687
6688 if (bp->autoneg & AUTONEG_SPEED) {
6689 cmd->autoneg = AUTONEG_ENABLE;
6690 }
6691 else {
6692 cmd->autoneg = AUTONEG_DISABLE;
6693 }
6694
6695 if (netif_carrier_ok(dev)) {
6696 cmd->speed = bp->line_speed;
6697 cmd->duplex = bp->duplex;
6698 }
6699 else {
6700 cmd->speed = -1;
6701 cmd->duplex = -1;
6702 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006703 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006704
6705 cmd->transceiver = XCVR_INTERNAL;
6706 cmd->phy_address = bp->phy_addr;
6707
6708 return 0;
6709}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006710
Michael Chanb6016b72005-05-26 13:03:09 -07006711static int
6712bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6713{
Michael Chan972ec0d2006-01-23 16:12:43 -08006714 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006715 u8 autoneg = bp->autoneg;
6716 u8 req_duplex = bp->req_duplex;
6717 u16 req_line_speed = bp->req_line_speed;
6718 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006719 int err = -EINVAL;
6720
6721 spin_lock_bh(&bp->phy_lock);
6722
6723 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6724 goto err_out_unlock;
6725
Michael Chan583c28e2008-01-21 19:51:35 -08006726 if (cmd->port != bp->phy_port &&
6727 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006728 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006729
Michael Chand6b14482008-07-14 22:37:21 -07006730 /* If device is down, we can store the settings only if the user
6731 * is setting the currently active port.
6732 */
6733 if (!netif_running(dev) && cmd->port != bp->phy_port)
6734 goto err_out_unlock;
6735
Michael Chanb6016b72005-05-26 13:03:09 -07006736 if (cmd->autoneg == AUTONEG_ENABLE) {
6737 autoneg |= AUTONEG_SPEED;
6738
Michael Chanbeb499a2010-02-15 19:42:10 +00006739 advertising = cmd->advertising;
6740 if (cmd->port == PORT_TP) {
6741 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6742 if (!advertising)
Michael Chanb6016b72005-05-26 13:03:09 -07006743 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanbeb499a2010-02-15 19:42:10 +00006744 } else {
6745 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6746 if (!advertising)
6747 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006748 }
6749 advertising |= ADVERTISED_Autoneg;
6750 }
6751 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006752 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006753 if ((cmd->speed != SPEED_1000 &&
6754 cmd->speed != SPEED_2500) ||
6755 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006756 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006757
6758 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006759 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006760 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006761 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006762 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6763 goto err_out_unlock;
6764
Michael Chanb6016b72005-05-26 13:03:09 -07006765 autoneg &= ~AUTONEG_SPEED;
6766 req_line_speed = cmd->speed;
6767 req_duplex = cmd->duplex;
6768 advertising = 0;
6769 }
6770
6771 bp->autoneg = autoneg;
6772 bp->advertising = advertising;
6773 bp->req_line_speed = req_line_speed;
6774 bp->req_duplex = req_duplex;
6775
Michael Chand6b14482008-07-14 22:37:21 -07006776 err = 0;
6777 /* If device is down, the new settings will be picked up when it is
6778 * brought up.
6779 */
6780 if (netif_running(dev))
6781 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006782
Michael Chan7b6b8342007-07-07 22:50:15 -07006783err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006784 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006785
Michael Chan7b6b8342007-07-07 22:50:15 -07006786 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006787}
6788
6789static void
6790bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6791{
Michael Chan972ec0d2006-01-23 16:12:43 -08006792 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006793
6794 strcpy(info->driver, DRV_MODULE_NAME);
6795 strcpy(info->version, DRV_MODULE_VERSION);
6796 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006797 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006798}
6799
Michael Chan244ac4f2006-03-20 17:48:46 -08006800#define BNX2_REGDUMP_LEN (32 * 1024)
6801
6802static int
6803bnx2_get_regs_len(struct net_device *dev)
6804{
6805 return BNX2_REGDUMP_LEN;
6806}
6807
6808static void
6809bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6810{
6811 u32 *p = _p, i, offset;
6812 u8 *orig_p = _p;
6813 struct bnx2 *bp = netdev_priv(dev);
6814 u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
6815 0x0800, 0x0880, 0x0c00, 0x0c10,
6816 0x0c30, 0x0d08, 0x1000, 0x101c,
6817 0x1040, 0x1048, 0x1080, 0x10a4,
6818 0x1400, 0x1490, 0x1498, 0x14f0,
6819 0x1500, 0x155c, 0x1580, 0x15dc,
6820 0x1600, 0x1658, 0x1680, 0x16d8,
6821 0x1800, 0x1820, 0x1840, 0x1854,
6822 0x1880, 0x1894, 0x1900, 0x1984,
6823 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6824 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6825 0x2000, 0x2030, 0x23c0, 0x2400,
6826 0x2800, 0x2820, 0x2830, 0x2850,
6827 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6828 0x3c00, 0x3c94, 0x4000, 0x4010,
6829 0x4080, 0x4090, 0x43c0, 0x4458,
6830 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6831 0x4fc0, 0x5010, 0x53c0, 0x5444,
6832 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6833 0x5fc0, 0x6000, 0x6400, 0x6428,
6834 0x6800, 0x6848, 0x684c, 0x6860,
6835 0x6888, 0x6910, 0x8000 };
6836
6837 regs->version = 0;
6838
6839 memset(p, 0, BNX2_REGDUMP_LEN);
6840
6841 if (!netif_running(bp->dev))
6842 return;
6843
6844 i = 0;
6845 offset = reg_boundaries[0];
6846 p += offset;
6847 while (offset < BNX2_REGDUMP_LEN) {
6848 *p++ = REG_RD(bp, offset);
6849 offset += 4;
6850 if (offset == reg_boundaries[i + 1]) {
6851 offset = reg_boundaries[i + 2];
6852 p = (u32 *) (orig_p + offset);
6853 i += 2;
6854 }
6855 }
6856}
6857
Michael Chanb6016b72005-05-26 13:03:09 -07006858static void
6859bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6860{
Michael Chan972ec0d2006-01-23 16:12:43 -08006861 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006862
David S. Millerf86e82f2008-01-21 17:15:40 -08006863 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006864 wol->supported = 0;
6865 wol->wolopts = 0;
6866 }
6867 else {
6868 wol->supported = WAKE_MAGIC;
6869 if (bp->wol)
6870 wol->wolopts = WAKE_MAGIC;
6871 else
6872 wol->wolopts = 0;
6873 }
6874 memset(&wol->sopass, 0, sizeof(wol->sopass));
6875}
6876
6877static int
6878bnx2_set_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
6882 if (wol->wolopts & ~WAKE_MAGIC)
6883 return -EINVAL;
6884
6885 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006886 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006887 return -EINVAL;
6888
6889 bp->wol = 1;
6890 }
6891 else {
6892 bp->wol = 0;
6893 }
6894 return 0;
6895}
6896
6897static int
6898bnx2_nway_reset(struct net_device *dev)
6899{
Michael Chan972ec0d2006-01-23 16:12:43 -08006900 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006901 u32 bmcr;
6902
Michael Chan9f52b562008-10-09 12:21:46 -07006903 if (!netif_running(dev))
6904 return -EAGAIN;
6905
Michael Chanb6016b72005-05-26 13:03:09 -07006906 if (!(bp->autoneg & AUTONEG_SPEED)) {
6907 return -EINVAL;
6908 }
6909
Michael Chanc770a652005-08-25 15:38:39 -07006910 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006911
Michael Chan583c28e2008-01-21 19:51:35 -08006912 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006913 int rc;
6914
6915 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6916 spin_unlock_bh(&bp->phy_lock);
6917 return rc;
6918 }
6919
Michael Chanb6016b72005-05-26 13:03:09 -07006920 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006921 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006922 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006923 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006924
6925 msleep(20);
6926
Michael Chanc770a652005-08-25 15:38:39 -07006927 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006928
Michael Chan40105c02008-11-12 16:02:45 -08006929 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006930 bp->serdes_an_pending = 1;
6931 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006932 }
6933
Michael Chanca58c3a2007-05-03 13:22:52 -07006934 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006935 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006936 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006937
Michael Chanc770a652005-08-25 15:38:39 -07006938 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006939
6940 return 0;
6941}
6942
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07006943static u32
6944bnx2_get_link(struct net_device *dev)
6945{
6946 struct bnx2 *bp = netdev_priv(dev);
6947
6948 return bp->link_up;
6949}
6950
Michael Chanb6016b72005-05-26 13:03:09 -07006951static int
6952bnx2_get_eeprom_len(struct net_device *dev)
6953{
Michael Chan972ec0d2006-01-23 16:12:43 -08006954 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006955
Michael Chan1122db72006-01-23 16:11:42 -08006956 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006957 return 0;
6958
Michael Chan1122db72006-01-23 16:11:42 -08006959 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006960}
6961
6962static int
6963bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6964 u8 *eebuf)
6965{
Michael Chan972ec0d2006-01-23 16:12:43 -08006966 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006967 int rc;
6968
Michael Chan9f52b562008-10-09 12:21:46 -07006969 if (!netif_running(dev))
6970 return -EAGAIN;
6971
John W. Linville1064e942005-11-10 12:58:24 -08006972 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006973
6974 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6975
6976 return rc;
6977}
6978
6979static int
6980bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6981 u8 *eebuf)
6982{
Michael Chan972ec0d2006-01-23 16:12:43 -08006983 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006984 int rc;
6985
Michael Chan9f52b562008-10-09 12:21:46 -07006986 if (!netif_running(dev))
6987 return -EAGAIN;
6988
John W. Linville1064e942005-11-10 12:58:24 -08006989 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006990
6991 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
6992
6993 return rc;
6994}
6995
6996static int
6997bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
6998{
Michael Chan972ec0d2006-01-23 16:12:43 -08006999 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007000
7001 memset(coal, 0, sizeof(struct ethtool_coalesce));
7002
7003 coal->rx_coalesce_usecs = bp->rx_ticks;
7004 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7005 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7006 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7007
7008 coal->tx_coalesce_usecs = bp->tx_ticks;
7009 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7010 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7011 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7012
7013 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7014
7015 return 0;
7016}
7017
7018static int
7019bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7020{
Michael Chan972ec0d2006-01-23 16:12:43 -08007021 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007022
7023 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7024 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7025
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007026 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007027 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7028
7029 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7030 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7031
7032 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7033 if (bp->rx_quick_cons_trip_int > 0xff)
7034 bp->rx_quick_cons_trip_int = 0xff;
7035
7036 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7037 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7038
7039 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7040 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7041
7042 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7043 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7044
7045 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7046 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7047 0xff;
7048
7049 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007050 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007051 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7052 bp->stats_ticks = USEC_PER_SEC;
7053 }
Michael Chan7ea69202007-07-16 18:27:10 -07007054 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7055 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7056 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007057
7058 if (netif_running(bp->dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00007059 bnx2_netif_stop(bp, true);
Michael Chan9a120bc2008-05-16 22:17:45 -07007060 bnx2_init_nic(bp, 0);
Michael Chan212f9932010-04-27 11:28:10 +00007061 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007062 }
7063
7064 return 0;
7065}
7066
7067static void
7068bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7069{
Michael Chan972ec0d2006-01-23 16:12:43 -08007070 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007071
Michael Chan13daffa2006-03-20 17:49:20 -08007072 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007073 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007074 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007075
7076 ering->rx_pending = bp->rx_ring_size;
7077 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007078 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007079
7080 ering->tx_max_pending = MAX_TX_DESC_CNT;
7081 ering->tx_pending = bp->tx_ring_size;
7082}
7083
7084static int
Michael Chan5d5d0012007-12-12 11:17:43 -08007085bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07007086{
Michael Chan13daffa2006-03-20 17:49:20 -08007087 if (netif_running(bp->dev)) {
Michael Chan354fcd72010-01-17 07:30:44 +00007088 /* Reset will erase chipset stats; save them */
7089 bnx2_save_stats(bp);
7090
Michael Chan212f9932010-04-27 11:28:10 +00007091 bnx2_netif_stop(bp, true);
Michael Chan13daffa2006-03-20 17:49:20 -08007092 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7093 bnx2_free_skbs(bp);
7094 bnx2_free_mem(bp);
7095 }
7096
Michael Chan5d5d0012007-12-12 11:17:43 -08007097 bnx2_set_rx_ring_size(bp, rx);
7098 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007099
7100 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08007101 int rc;
7102
7103 rc = bnx2_alloc_mem(bp);
Michael Chan6fefb652009-08-21 16:20:45 +00007104 if (!rc)
7105 rc = bnx2_init_nic(bp, 0);
7106
7107 if (rc) {
7108 bnx2_napi_enable(bp);
7109 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007110 return rc;
Michael Chan6fefb652009-08-21 16:20:45 +00007111 }
Michael Chane9f26c42010-02-15 19:42:08 +00007112#ifdef BCM_CNIC
7113 mutex_lock(&bp->cnic_lock);
7114 /* Let cnic know about the new status block. */
7115 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7116 bnx2_setup_cnic_irq_info(bp);
7117 mutex_unlock(&bp->cnic_lock);
7118#endif
Michael Chan212f9932010-04-27 11:28:10 +00007119 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007120 }
Michael Chanb6016b72005-05-26 13:03:09 -07007121 return 0;
7122}
7123
Michael Chan5d5d0012007-12-12 11:17:43 -08007124static int
7125bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7126{
7127 struct bnx2 *bp = netdev_priv(dev);
7128 int rc;
7129
7130 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7131 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7132 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7133
7134 return -EINVAL;
7135 }
7136 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7137 return rc;
7138}
7139
Michael Chanb6016b72005-05-26 13:03:09 -07007140static void
7141bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7142{
Michael Chan972ec0d2006-01-23 16:12:43 -08007143 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007144
7145 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7146 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7147 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7148}
7149
7150static int
7151bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7152{
Michael Chan972ec0d2006-01-23 16:12:43 -08007153 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007154
7155 bp->req_flow_ctrl = 0;
7156 if (epause->rx_pause)
7157 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7158 if (epause->tx_pause)
7159 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7160
7161 if (epause->autoneg) {
7162 bp->autoneg |= AUTONEG_FLOW_CTRL;
7163 }
7164 else {
7165 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7166 }
7167
Michael Chan9f52b562008-10-09 12:21:46 -07007168 if (netif_running(dev)) {
7169 spin_lock_bh(&bp->phy_lock);
7170 bnx2_setup_phy(bp, bp->phy_port);
7171 spin_unlock_bh(&bp->phy_lock);
7172 }
Michael Chanb6016b72005-05-26 13:03:09 -07007173
7174 return 0;
7175}
7176
7177static u32
7178bnx2_get_rx_csum(struct net_device *dev)
7179{
Michael Chan972ec0d2006-01-23 16:12:43 -08007180 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007181
7182 return bp->rx_csum;
7183}
7184
7185static int
7186bnx2_set_rx_csum(struct net_device *dev, u32 data)
7187{
Michael Chan972ec0d2006-01-23 16:12:43 -08007188 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007189
7190 bp->rx_csum = data;
7191 return 0;
7192}
7193
Michael Chanb11d6212006-06-29 12:31:21 -07007194static int
7195bnx2_set_tso(struct net_device *dev, u32 data)
7196{
Michael Chan4666f872007-05-03 13:22:28 -07007197 struct bnx2 *bp = netdev_priv(dev);
7198
7199 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07007200 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007201 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7202 dev->features |= NETIF_F_TSO6;
7203 } else
7204 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
7205 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07007206 return 0;
7207}
7208
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007209static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007210 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007211} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007212 { "rx_bytes" },
7213 { "rx_error_bytes" },
7214 { "tx_bytes" },
7215 { "tx_error_bytes" },
7216 { "rx_ucast_packets" },
7217 { "rx_mcast_packets" },
7218 { "rx_bcast_packets" },
7219 { "tx_ucast_packets" },
7220 { "tx_mcast_packets" },
7221 { "tx_bcast_packets" },
7222 { "tx_mac_errors" },
7223 { "tx_carrier_errors" },
7224 { "rx_crc_errors" },
7225 { "rx_align_errors" },
7226 { "tx_single_collisions" },
7227 { "tx_multi_collisions" },
7228 { "tx_deferred" },
7229 { "tx_excess_collisions" },
7230 { "tx_late_collisions" },
7231 { "tx_total_collisions" },
7232 { "rx_fragments" },
7233 { "rx_jabbers" },
7234 { "rx_undersize_packets" },
7235 { "rx_oversize_packets" },
7236 { "rx_64_byte_packets" },
7237 { "rx_65_to_127_byte_packets" },
7238 { "rx_128_to_255_byte_packets" },
7239 { "rx_256_to_511_byte_packets" },
7240 { "rx_512_to_1023_byte_packets" },
7241 { "rx_1024_to_1522_byte_packets" },
7242 { "rx_1523_to_9022_byte_packets" },
7243 { "tx_64_byte_packets" },
7244 { "tx_65_to_127_byte_packets" },
7245 { "tx_128_to_255_byte_packets" },
7246 { "tx_256_to_511_byte_packets" },
7247 { "tx_512_to_1023_byte_packets" },
7248 { "tx_1024_to_1522_byte_packets" },
7249 { "tx_1523_to_9022_byte_packets" },
7250 { "rx_xon_frames" },
7251 { "rx_xoff_frames" },
7252 { "tx_xon_frames" },
7253 { "tx_xoff_frames" },
7254 { "rx_mac_ctrl_frames" },
7255 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007256 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007257 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007258 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007259};
7260
Michael Chan790dab22009-08-21 16:20:47 +00007261#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7262 sizeof(bnx2_stats_str_arr[0]))
7263
Michael Chanb6016b72005-05-26 13:03:09 -07007264#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7265
Arjan van de Venf71e1302006-03-03 21:33:57 -05007266static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007267 STATS_OFFSET32(stat_IfHCInOctets_hi),
7268 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7269 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7270 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7271 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7272 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7273 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7274 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7275 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7276 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7277 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007278 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7279 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7280 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7281 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7282 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7283 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7284 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7285 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7286 STATS_OFFSET32(stat_EtherStatsCollisions),
7287 STATS_OFFSET32(stat_EtherStatsFragments),
7288 STATS_OFFSET32(stat_EtherStatsJabbers),
7289 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7290 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7291 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7292 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7293 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7294 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7295 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7296 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7297 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7298 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7299 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7300 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7301 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7302 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7303 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7304 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7305 STATS_OFFSET32(stat_XonPauseFramesReceived),
7306 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7307 STATS_OFFSET32(stat_OutXonSent),
7308 STATS_OFFSET32(stat_OutXoffSent),
7309 STATS_OFFSET32(stat_MacControlFramesReceived),
7310 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007311 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007312 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007313 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007314};
7315
7316/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7317 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007318 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007319static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007320 8,0,8,8,8,8,8,8,8,8,
7321 4,0,4,4,4,4,4,4,4,4,
7322 4,4,4,4,4,4,4,4,4,4,
7323 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007324 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007325};
7326
Michael Chan5b0c76a2005-11-04 08:45:49 -08007327static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7328 8,0,8,8,8,8,8,8,8,8,
7329 4,4,4,4,4,4,4,4,4,4,
7330 4,4,4,4,4,4,4,4,4,4,
7331 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007332 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007333};
7334
Michael Chanb6016b72005-05-26 13:03:09 -07007335#define BNX2_NUM_TESTS 6
7336
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007337static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007338 char string[ETH_GSTRING_LEN];
7339} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7340 { "register_test (offline)" },
7341 { "memory_test (offline)" },
7342 { "loopback_test (offline)" },
7343 { "nvram_test (online)" },
7344 { "interrupt_test (online)" },
7345 { "link_test (online)" },
7346};
7347
7348static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007349bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007350{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007351 switch (sset) {
7352 case ETH_SS_TEST:
7353 return BNX2_NUM_TESTS;
7354 case ETH_SS_STATS:
7355 return BNX2_NUM_STATS;
7356 default:
7357 return -EOPNOTSUPP;
7358 }
Michael Chanb6016b72005-05-26 13:03:09 -07007359}
7360
7361static void
7362bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7363{
Michael Chan972ec0d2006-01-23 16:12:43 -08007364 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007365
Michael Chan9f52b562008-10-09 12:21:46 -07007366 bnx2_set_power_state(bp, PCI_D0);
7367
Michael Chanb6016b72005-05-26 13:03:09 -07007368 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7369 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007370 int i;
7371
Michael Chan212f9932010-04-27 11:28:10 +00007372 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007373 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7374 bnx2_free_skbs(bp);
7375
7376 if (bnx2_test_registers(bp) != 0) {
7377 buf[0] = 1;
7378 etest->flags |= ETH_TEST_FL_FAILED;
7379 }
7380 if (bnx2_test_memory(bp) != 0) {
7381 buf[1] = 1;
7382 etest->flags |= ETH_TEST_FL_FAILED;
7383 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007384 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007385 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007386
Michael Chan9f52b562008-10-09 12:21:46 -07007387 if (!netif_running(bp->dev))
7388 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007389 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007390 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00007391 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007392 }
7393
7394 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007395 for (i = 0; i < 7; i++) {
7396 if (bp->link_up)
7397 break;
7398 msleep_interruptible(1000);
7399 }
Michael Chanb6016b72005-05-26 13:03:09 -07007400 }
7401
7402 if (bnx2_test_nvram(bp) != 0) {
7403 buf[3] = 1;
7404 etest->flags |= ETH_TEST_FL_FAILED;
7405 }
7406 if (bnx2_test_intr(bp) != 0) {
7407 buf[4] = 1;
7408 etest->flags |= ETH_TEST_FL_FAILED;
7409 }
7410
7411 if (bnx2_test_link(bp) != 0) {
7412 buf[5] = 1;
7413 etest->flags |= ETH_TEST_FL_FAILED;
7414
7415 }
Michael Chan9f52b562008-10-09 12:21:46 -07007416 if (!netif_running(bp->dev))
7417 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07007418}
7419
7420static void
7421bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7422{
7423 switch (stringset) {
7424 case ETH_SS_STATS:
7425 memcpy(buf, bnx2_stats_str_arr,
7426 sizeof(bnx2_stats_str_arr));
7427 break;
7428 case ETH_SS_TEST:
7429 memcpy(buf, bnx2_tests_str_arr,
7430 sizeof(bnx2_tests_str_arr));
7431 break;
7432 }
7433}
7434
Michael Chanb6016b72005-05-26 13:03:09 -07007435static void
7436bnx2_get_ethtool_stats(struct net_device *dev,
7437 struct ethtool_stats *stats, u64 *buf)
7438{
Michael Chan972ec0d2006-01-23 16:12:43 -08007439 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007440 int i;
7441 u32 *hw_stats = (u32 *) bp->stats_blk;
Michael Chan354fcd72010-01-17 07:30:44 +00007442 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007443 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007444
7445 if (hw_stats == NULL) {
7446 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7447 return;
7448 }
7449
Michael Chan5b0c76a2005-11-04 08:45:49 -08007450 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7451 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7452 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7453 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007454 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007455 else
7456 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007457
7458 for (i = 0; i < BNX2_NUM_STATS; i++) {
Michael Chan354fcd72010-01-17 07:30:44 +00007459 unsigned long offset;
7460
Michael Chanb6016b72005-05-26 13:03:09 -07007461 if (stats_len_arr[i] == 0) {
7462 /* skip this counter */
7463 buf[i] = 0;
7464 continue;
7465 }
Michael Chan354fcd72010-01-17 07:30:44 +00007466
7467 offset = bnx2_stats_offset_arr[i];
Michael Chanb6016b72005-05-26 13:03:09 -07007468 if (stats_len_arr[i] == 4) {
7469 /* 4-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007470 buf[i] = (u64) *(hw_stats + offset) +
7471 *(temp_stats + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07007472 continue;
7473 }
7474 /* 8-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007475 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7476 *(hw_stats + offset + 1) +
7477 (((u64) *(temp_stats + offset)) << 32) +
7478 *(temp_stats + offset + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007479 }
7480}
7481
7482static int
7483bnx2_phys_id(struct net_device *dev, u32 data)
7484{
Michael Chan972ec0d2006-01-23 16:12:43 -08007485 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007486 int i;
7487 u32 save;
7488
Michael Chan9f52b562008-10-09 12:21:46 -07007489 bnx2_set_power_state(bp, PCI_D0);
7490
Michael Chanb6016b72005-05-26 13:03:09 -07007491 if (data == 0)
7492 data = 2;
7493
7494 save = REG_RD(bp, BNX2_MISC_CFG);
7495 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7496
7497 for (i = 0; i < (data * 2); i++) {
7498 if ((i % 2) == 0) {
7499 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7500 }
7501 else {
7502 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7503 BNX2_EMAC_LED_1000MB_OVERRIDE |
7504 BNX2_EMAC_LED_100MB_OVERRIDE |
7505 BNX2_EMAC_LED_10MB_OVERRIDE |
7506 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7507 BNX2_EMAC_LED_TRAFFIC);
7508 }
7509 msleep_interruptible(500);
7510 if (signal_pending(current))
7511 break;
7512 }
7513 REG_WR(bp, BNX2_EMAC_LED, 0);
7514 REG_WR(bp, BNX2_MISC_CFG, save);
Michael Chan9f52b562008-10-09 12:21:46 -07007515
7516 if (!netif_running(dev))
7517 bnx2_set_power_state(bp, PCI_D3hot);
7518
Michael Chanb6016b72005-05-26 13:03:09 -07007519 return 0;
7520}
7521
Michael Chan4666f872007-05-03 13:22:28 -07007522static int
7523bnx2_set_tx_csum(struct net_device *dev, u32 data)
7524{
7525 struct bnx2 *bp = netdev_priv(dev);
7526
7527 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan6460d942007-07-14 19:07:52 -07007528 return (ethtool_op_set_tx_ipv6_csum(dev, data));
Michael Chan4666f872007-05-03 13:22:28 -07007529 else
7530 return (ethtool_op_set_tx_csum(dev, data));
7531}
7532
Jeff Garzik7282d492006-09-13 14:30:00 -04007533static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007534 .get_settings = bnx2_get_settings,
7535 .set_settings = bnx2_set_settings,
7536 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007537 .get_regs_len = bnx2_get_regs_len,
7538 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007539 .get_wol = bnx2_get_wol,
7540 .set_wol = bnx2_set_wol,
7541 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007542 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007543 .get_eeprom_len = bnx2_get_eeprom_len,
7544 .get_eeprom = bnx2_get_eeprom,
7545 .set_eeprom = bnx2_set_eeprom,
7546 .get_coalesce = bnx2_get_coalesce,
7547 .set_coalesce = bnx2_set_coalesce,
7548 .get_ringparam = bnx2_get_ringparam,
7549 .set_ringparam = bnx2_set_ringparam,
7550 .get_pauseparam = bnx2_get_pauseparam,
7551 .set_pauseparam = bnx2_set_pauseparam,
7552 .get_rx_csum = bnx2_get_rx_csum,
7553 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007554 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007555 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007556 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007557 .self_test = bnx2_self_test,
7558 .get_strings = bnx2_get_strings,
7559 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007560 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007561 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007562};
7563
7564/* Called with rtnl_lock */
7565static int
7566bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7567{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007568 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007569 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007570 int err;
7571
7572 switch(cmd) {
7573 case SIOCGMIIPHY:
7574 data->phy_id = bp->phy_addr;
7575
7576 /* fallthru */
7577 case SIOCGMIIREG: {
7578 u32 mii_regval;
7579
Michael Chan583c28e2008-01-21 19:51:35 -08007580 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007581 return -EOPNOTSUPP;
7582
Michael Chandad3e452007-05-03 13:18:03 -07007583 if (!netif_running(dev))
7584 return -EAGAIN;
7585
Michael Chanc770a652005-08-25 15:38:39 -07007586 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007587 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007588 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007589
7590 data->val_out = mii_regval;
7591
7592 return err;
7593 }
7594
7595 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007596 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007597 return -EOPNOTSUPP;
7598
Michael Chandad3e452007-05-03 13:18:03 -07007599 if (!netif_running(dev))
7600 return -EAGAIN;
7601
Michael Chanc770a652005-08-25 15:38:39 -07007602 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007603 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007604 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007605
7606 return err;
7607
7608 default:
7609 /* do nothing */
7610 break;
7611 }
7612 return -EOPNOTSUPP;
7613}
7614
7615/* Called with rtnl_lock */
7616static int
7617bnx2_change_mac_addr(struct net_device *dev, void *p)
7618{
7619 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007620 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007621
Michael Chan73eef4c2005-08-25 15:39:15 -07007622 if (!is_valid_ether_addr(addr->sa_data))
7623 return -EINVAL;
7624
Michael Chanb6016b72005-05-26 13:03:09 -07007625 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7626 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007627 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007628
7629 return 0;
7630}
7631
7632/* Called with rtnl_lock */
7633static int
7634bnx2_change_mtu(struct net_device *dev, int new_mtu)
7635{
Michael Chan972ec0d2006-01-23 16:12:43 -08007636 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007637
7638 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7639 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7640 return -EINVAL;
7641
7642 dev->mtu = new_mtu;
Michael Chan5d5d0012007-12-12 11:17:43 -08007643 return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
Michael Chanb6016b72005-05-26 13:03:09 -07007644}
7645
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00007646#ifdef CONFIG_NET_POLL_CONTROLLER
Michael Chanb6016b72005-05-26 13:03:09 -07007647static void
7648poll_bnx2(struct net_device *dev)
7649{
Michael Chan972ec0d2006-01-23 16:12:43 -08007650 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007651 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007652
Neil Hormanb2af2c12008-11-12 16:23:44 -08007653 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan1bf1e342010-03-23 13:13:12 +00007654 struct bnx2_irq *irq = &bp->irq_tbl[i];
7655
7656 disable_irq(irq->vector);
7657 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7658 enable_irq(irq->vector);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007659 }
Michael Chanb6016b72005-05-26 13:03:09 -07007660}
7661#endif
7662
Michael Chan253c8b72007-01-08 19:56:01 -08007663static void __devinit
7664bnx2_get_5709_media(struct bnx2 *bp)
7665{
7666 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7667 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7668 u32 strap;
7669
7670 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7671 return;
7672 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007673 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007674 return;
7675 }
7676
7677 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7678 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7679 else
7680 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7681
7682 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7683 switch (strap) {
7684 case 0x4:
7685 case 0x5:
7686 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007687 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007688 return;
7689 }
7690 } else {
7691 switch (strap) {
7692 case 0x1:
7693 case 0x2:
7694 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007695 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007696 return;
7697 }
7698 }
7699}
7700
Michael Chan883e5152007-05-03 13:25:11 -07007701static void __devinit
7702bnx2_get_pci_speed(struct bnx2 *bp)
7703{
7704 u32 reg;
7705
7706 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7707 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7708 u32 clkreg;
7709
David S. Millerf86e82f2008-01-21 17:15:40 -08007710 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007711
7712 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7713
7714 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7715 switch (clkreg) {
7716 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7717 bp->bus_speed_mhz = 133;
7718 break;
7719
7720 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7721 bp->bus_speed_mhz = 100;
7722 break;
7723
7724 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7725 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7726 bp->bus_speed_mhz = 66;
7727 break;
7728
7729 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7730 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7731 bp->bus_speed_mhz = 50;
7732 break;
7733
7734 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7735 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7736 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7737 bp->bus_speed_mhz = 33;
7738 break;
7739 }
7740 }
7741 else {
7742 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7743 bp->bus_speed_mhz = 66;
7744 else
7745 bp->bus_speed_mhz = 33;
7746 }
7747
7748 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007749 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007750
7751}
7752
Michael Chan76d99062009-12-03 09:46:34 +00007753static void __devinit
7754bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7755{
Matt Carlsondf25bc32010-02-26 14:04:44 +00007756 int rc, i, j;
Michael Chan76d99062009-12-03 09:46:34 +00007757 u8 *data;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007758 unsigned int block_end, rosize, len;
Michael Chan76d99062009-12-03 09:46:34 +00007759
Michael Chan012093f2009-12-03 15:58:00 -08007760#define BNX2_VPD_NVRAM_OFFSET 0x300
7761#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00007762#define BNX2_MAX_VER_SLEN 30
7763
7764 data = kmalloc(256, GFP_KERNEL);
7765 if (!data)
7766 return;
7767
Michael Chan012093f2009-12-03 15:58:00 -08007768 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7769 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00007770 if (rc)
7771 goto vpd_done;
7772
Michael Chan012093f2009-12-03 15:58:00 -08007773 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7774 data[i] = data[i + BNX2_VPD_LEN + 3];
7775 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7776 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7777 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00007778 }
7779
Matt Carlsondf25bc32010-02-26 14:04:44 +00007780 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
7781 if (i < 0)
Michael Chan76d99062009-12-03 09:46:34 +00007782 goto vpd_done;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007783
7784 rosize = pci_vpd_lrdt_size(&data[i]);
7785 i += PCI_VPD_LRDT_TAG_SIZE;
7786 block_end = i + rosize;
7787
7788 if (block_end > BNX2_VPD_LEN)
7789 goto vpd_done;
7790
7791 j = pci_vpd_find_info_keyword(data, i, rosize,
7792 PCI_VPD_RO_KEYWORD_MFR_ID);
7793 if (j < 0)
7794 goto vpd_done;
7795
7796 len = pci_vpd_info_field_size(&data[j]);
7797
7798 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7799 if (j + len > block_end || len != 4 ||
7800 memcmp(&data[j], "1028", 4))
7801 goto vpd_done;
7802
7803 j = pci_vpd_find_info_keyword(data, i, rosize,
7804 PCI_VPD_RO_KEYWORD_VENDOR0);
7805 if (j < 0)
7806 goto vpd_done;
7807
7808 len = pci_vpd_info_field_size(&data[j]);
7809
7810 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7811 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
7812 goto vpd_done;
7813
7814 memcpy(bp->fw_version, &data[j], len);
7815 bp->fw_version[len] = ' ';
Michael Chan76d99062009-12-03 09:46:34 +00007816
7817vpd_done:
7818 kfree(data);
7819}
7820
Michael Chanb6016b72005-05-26 13:03:09 -07007821static int __devinit
7822bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7823{
7824 struct bnx2 *bp;
7825 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007826 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007827 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007828 u64 dma_mask, persist_dma_mask;
Michael Chanb6016b72005-05-26 13:03:09 -07007829
Michael Chanb6016b72005-05-26 13:03:09 -07007830 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007831 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007832
7833 bp->flags = 0;
7834 bp->phy_flags = 0;
7835
Michael Chan354fcd72010-01-17 07:30:44 +00007836 bp->temp_stats_blk =
7837 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
7838
7839 if (bp->temp_stats_blk == NULL) {
7840 rc = -ENOMEM;
7841 goto err_out;
7842 }
7843
Michael Chanb6016b72005-05-26 13:03:09 -07007844 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7845 rc = pci_enable_device(pdev);
7846 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007847 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007848 goto err_out;
7849 }
7850
7851 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007852 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007853 "Cannot find PCI device base address, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007854 rc = -ENODEV;
7855 goto err_out_disable;
7856 }
7857
7858 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7859 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007860 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007861 goto err_out_disable;
7862 }
7863
7864 pci_set_master(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07007865 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07007866
7867 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7868 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007869 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007870 "Cannot find power management capability, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007871 rc = -EIO;
7872 goto err_out_release;
7873 }
7874
Michael Chanb6016b72005-05-26 13:03:09 -07007875 bp->dev = dev;
7876 bp->pdev = pdev;
7877
7878 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007879 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00007880#ifdef BCM_CNIC
7881 mutex_init(&bp->cnic_lock);
7882#endif
David Howellsc4028952006-11-22 14:57:56 +00007883 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007884
7885 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan4edd4732009-06-08 18:14:42 -07007886 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007887 dev->mem_end = dev->mem_start + mem_len;
7888 dev->irq = pdev->irq;
7889
7890 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7891
7892 if (!bp->regview) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007893 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007894 rc = -ENOMEM;
7895 goto err_out_release;
7896 }
7897
7898 /* Configure byte swap and enable write to the reg_window registers.
7899 * Rely on CPU to do target byte swapping on big endian systems
7900 * The chip's target access swapping will not swap all accesses
7901 */
7902 pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
7903 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7904 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
7905
Pavel Machek829ca9a2005-09-03 15:56:56 -07007906 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07007907
7908 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7909
Michael Chan883e5152007-05-03 13:25:11 -07007910 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7911 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7912 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007913 "Cannot find PCIE capability, aborting\n");
Michael Chan883e5152007-05-03 13:25:11 -07007914 rc = -EIO;
7915 goto err_out_unmap;
7916 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007917 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007918 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007919 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chan883e5152007-05-03 13:25:11 -07007920 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007921 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7922 if (bp->pcix_cap == 0) {
7923 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007924 "Cannot find PCIX capability, aborting\n");
Michael Chan59b47d82006-11-19 14:10:45 -08007925 rc = -EIO;
7926 goto err_out_unmap;
7927 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00007928 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08007929 }
7930
Michael Chanb4b36042007-12-20 19:59:30 -08007931 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7932 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007933 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007934 }
7935
Michael Chan8e6a72c2007-05-03 13:24:48 -07007936 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7937 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007938 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007939 }
7940
Michael Chan40453c82007-05-03 13:19:18 -07007941 /* 5708 cannot support DMA addresses > 40-bit. */
7942 if (CHIP_NUM(bp) == CHIP_NUM_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07007943 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07007944 else
Yang Hongyang6a355282009-04-06 19:01:13 -07007945 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07007946
7947 /* Configure DMA attributes. */
7948 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7949 dev->features |= NETIF_F_HIGHDMA;
7950 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7951 if (rc) {
7952 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007953 "pci_set_consistent_dma_mask failed, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007954 goto err_out_unmap;
7955 }
Yang Hongyang284901a2009-04-06 19:01:15 -07007956 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007957 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007958 goto err_out_unmap;
7959 }
7960
David S. Millerf86e82f2008-01-21 17:15:40 -08007961 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007962 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007963
7964 /* 5706A0 may falsely detect SERR and PERR. */
7965 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7966 reg = REG_RD(bp, PCI_COMMAND);
7967 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7968 REG_WR(bp, PCI_COMMAND, reg);
7969 }
7970 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007971 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007972
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007973 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007974 "5706 A1 can only be used in a PCIX bus, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007975 goto err_out_unmap;
7976 }
7977
7978 bnx2_init_nvram(bp);
7979
Michael Chan2726d6e2008-01-29 21:35:05 -08007980 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007981
7982 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007983 BNX2_SHM_HDR_SIGNATURE_SIG) {
7984 u32 off = PCI_FUNC(pdev->devfn) << 2;
7985
Michael Chan2726d6e2008-01-29 21:35:05 -08007986 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007987 } else
Michael Chane3648b32005-11-04 08:51:21 -08007988 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7989
Michael Chanb6016b72005-05-26 13:03:09 -07007990 /* Get the permanent MAC address. First we need to make sure the
7991 * firmware is actually running.
7992 */
Michael Chan2726d6e2008-01-29 21:35:05 -08007993 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07007994
7995 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
7996 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007997 dev_err(&pdev->dev, "Firmware not running, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007998 rc = -ENODEV;
7999 goto err_out_unmap;
8000 }
8001
Michael Chan76d99062009-12-03 09:46:34 +00008002 bnx2_read_vpd_fw_ver(bp);
8003
8004 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08008005 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00008006 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07008007 u8 num, k, skip0;
8008
Michael Chan76d99062009-12-03 09:46:34 +00008009 if (i == 0) {
8010 bp->fw_version[j++] = 'b';
8011 bp->fw_version[j++] = 'c';
8012 bp->fw_version[j++] = ' ';
8013 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008014 num = (u8) (reg >> (24 - (i * 8)));
8015 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8016 if (num >= k || !skip0 || k == 1) {
8017 bp->fw_version[j++] = (num / k) + '0';
8018 skip0 = 0;
8019 }
8020 }
8021 if (i != 2)
8022 bp->fw_version[j++] = '.';
8023 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008024 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008025 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8026 bp->wol = 1;
8027
8028 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008029 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008030
8031 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008032 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008033 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8034 break;
8035 msleep(10);
8036 }
8037 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008038 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008039 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8040 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8041 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008042 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008043
Michael Chan76d99062009-12-03 09:46:34 +00008044 if (j < 32)
8045 bp->fw_version[j++] = ' ';
8046 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008047 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008048 reg = swab32(reg);
8049 memcpy(&bp->fw_version[j], &reg, 4);
8050 j += 4;
8051 }
8052 }
Michael Chanb6016b72005-05-26 13:03:09 -07008053
Michael Chan2726d6e2008-01-29 21:35:05 -08008054 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008055 bp->mac_addr[0] = (u8) (reg >> 8);
8056 bp->mac_addr[1] = (u8) reg;
8057
Michael Chan2726d6e2008-01-29 21:35:05 -08008058 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008059 bp->mac_addr[2] = (u8) (reg >> 24);
8060 bp->mac_addr[3] = (u8) (reg >> 16);
8061 bp->mac_addr[4] = (u8) (reg >> 8);
8062 bp->mac_addr[5] = (u8) reg;
8063
8064 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008065 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008066
8067 bp->rx_csum = 1;
8068
Michael Chancf7474a2009-08-21 16:20:48 +00008069 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008070 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008071 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008072 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008073
Michael Chancf7474a2009-08-21 16:20:48 +00008074 bp->rx_quick_cons_trip_int = 2;
8075 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008076 bp->rx_ticks_int = 18;
8077 bp->rx_ticks = 18;
8078
Michael Chan7ea69202007-07-16 18:27:10 -07008079 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008080
Benjamin Liac392ab2008-09-18 16:40:49 -07008081 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008082
Michael Chan5b0c76a2005-11-04 08:45:49 -08008083 bp->phy_addr = 1;
8084
Michael Chanb6016b72005-05-26 13:03:09 -07008085 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08008086 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8087 bnx2_get_5709_media(bp);
8088 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008089 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008090
Michael Chan0d8a6572007-07-07 22:49:43 -07008091 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008092 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008093 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008094 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008095 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008096 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008097 bp->wol = 0;
8098 }
Michael Chan38ea3682008-02-23 19:48:57 -08008099 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8100 /* Don't do parallel detect on this board because of
8101 * some board problems. The link will not go down
8102 * if we do parallel detect.
8103 */
8104 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8105 pdev->subsystem_device == 0x310c)
8106 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8107 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008108 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008109 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008110 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008111 }
Michael Chan261dd5c2007-01-08 19:55:46 -08008112 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8113 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008114 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08008115 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8116 (CHIP_REV(bp) == CHIP_REV_Ax ||
8117 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008118 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008119
Michael Chan7c62e832008-07-14 22:39:03 -07008120 bnx2_init_fw_cap(bp);
8121
Michael Chan16088272006-06-12 22:16:43 -07008122 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8123 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan5ec6d7b2008-11-12 16:01:41 -08008124 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8125 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008126 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008127 bp->wol = 0;
8128 }
Michael Chandda1e392006-01-23 16:08:14 -08008129
Michael Chanb6016b72005-05-26 13:03:09 -07008130 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8131 bp->tx_quick_cons_trip_int =
8132 bp->tx_quick_cons_trip;
8133 bp->tx_ticks_int = bp->tx_ticks;
8134 bp->rx_quick_cons_trip_int =
8135 bp->rx_quick_cons_trip;
8136 bp->rx_ticks_int = bp->rx_ticks;
8137 bp->comp_prod_trip_int = bp->comp_prod_trip;
8138 bp->com_ticks_int = bp->com_ticks;
8139 bp->cmd_ticks_int = bp->cmd_ticks;
8140 }
8141
Michael Chanf9317a42006-09-29 17:06:23 -07008142 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8143 *
8144 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8145 * with byte enables disabled on the unused 32-bit word. This is legal
8146 * but causes problems on the AMD 8132 which will eventually stop
8147 * responding after a while.
8148 *
8149 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008150 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008151 */
8152 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8153 struct pci_dev *amd_8132 = NULL;
8154
8155 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8156 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8157 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008158
Auke Kok44c10132007-06-08 15:46:36 -07008159 if (amd_8132->revision >= 0x10 &&
8160 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008161 disable_msi = 1;
8162 pci_dev_put(amd_8132);
8163 break;
8164 }
8165 }
8166 }
8167
Michael Chandeaf3912007-07-07 22:48:00 -07008168 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008169 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8170
Michael Chancd339a02005-08-25 15:35:24 -07008171 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008172 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008173 bp->timer.data = (unsigned long) bp;
8174 bp->timer.function = bnx2_timer;
8175
Michael Chanb6016b72005-05-26 13:03:09 -07008176 return 0;
8177
8178err_out_unmap:
8179 if (bp->regview) {
8180 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07008181 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008182 }
8183
8184err_out_release:
8185 pci_release_regions(pdev);
8186
8187err_out_disable:
8188 pci_disable_device(pdev);
8189 pci_set_drvdata(pdev, NULL);
8190
8191err_out:
8192 return rc;
8193}
8194
Michael Chan883e5152007-05-03 13:25:11 -07008195static char * __devinit
8196bnx2_bus_string(struct bnx2 *bp, char *str)
8197{
8198 char *s = str;
8199
David S. Millerf86e82f2008-01-21 17:15:40 -08008200 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008201 s += sprintf(s, "PCI Express");
8202 } else {
8203 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008204 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008205 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008206 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008207 s += sprintf(s, " 32-bit");
8208 else
8209 s += sprintf(s, " 64-bit");
8210 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8211 }
8212 return str;
8213}
8214
Michael Chan2ba582b2007-12-21 15:04:49 -08008215static void __devinit
Michael Chan35efa7c2007-12-20 19:56:37 -08008216bnx2_init_napi(struct bnx2 *bp)
8217{
Michael Chanb4b36042007-12-20 19:59:30 -08008218 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008219
Benjamin Li4327ba42010-03-23 13:13:11 +00008220 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008221 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8222 int (*poll)(struct napi_struct *, int);
8223
8224 if (i == 0)
8225 poll = bnx2_poll;
8226 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008227 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008228
8229 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008230 bnapi->bp = bp;
8231 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008232}
8233
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008234static const struct net_device_ops bnx2_netdev_ops = {
8235 .ndo_open = bnx2_open,
8236 .ndo_start_xmit = bnx2_start_xmit,
8237 .ndo_stop = bnx2_close,
8238 .ndo_get_stats = bnx2_get_stats,
8239 .ndo_set_rx_mode = bnx2_set_rx_mode,
8240 .ndo_do_ioctl = bnx2_ioctl,
8241 .ndo_validate_addr = eth_validate_addr,
8242 .ndo_set_mac_address = bnx2_change_mac_addr,
8243 .ndo_change_mtu = bnx2_change_mtu,
8244 .ndo_tx_timeout = bnx2_tx_timeout,
8245#ifdef BCM_VLAN
8246 .ndo_vlan_rx_register = bnx2_vlan_rx_register,
8247#endif
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008248#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008249 .ndo_poll_controller = poll_bnx2,
8250#endif
8251};
8252
Eric Dumazet72dccb02009-07-23 02:01:38 +00008253static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
8254{
8255#ifdef BCM_VLAN
8256 dev->vlan_features |= flags;
8257#endif
8258}
8259
Michael Chan35efa7c2007-12-20 19:56:37 -08008260static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07008261bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8262{
8263 static int version_printed = 0;
8264 struct net_device *dev = NULL;
8265 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008266 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008267 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008268
8269 if (version_printed++ == 0)
Joe Perches3a9c6a42010-02-17 15:01:51 +00008270 pr_info("%s", version);
Michael Chanb6016b72005-05-26 13:03:09 -07008271
8272 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008273 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008274
8275 if (!dev)
8276 return -ENOMEM;
8277
8278 rc = bnx2_init_board(pdev, dev);
8279 if (rc < 0) {
8280 free_netdev(dev);
8281 return rc;
8282 }
8283
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008284 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008285 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008286 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008287
Michael Chan972ec0d2006-01-23 16:12:43 -08008288 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008289
Michael Chan1b2f9222007-05-03 13:20:19 -07008290 pci_set_drvdata(pdev, dev);
8291
Michael Chan57579f72009-04-04 16:51:14 -07008292 rc = bnx2_request_firmware(bp);
8293 if (rc)
8294 goto error;
8295
Michael Chan1b2f9222007-05-03 13:20:19 -07008296 memcpy(dev->dev_addr, bp->mac_addr, 6);
8297 memcpy(dev->perm_addr, bp->mac_addr, 6);
Michael Chan1b2f9222007-05-03 13:20:19 -07008298
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008299 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008300 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
8301 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008302 dev->features |= NETIF_F_IPV6_CSUM;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008303 vlan_features_add(dev, NETIF_F_IPV6_CSUM);
8304 }
Michael Chan1b2f9222007-05-03 13:20:19 -07008305#ifdef BCM_VLAN
8306 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
8307#endif
8308 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008309 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
8310 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Michael Chan4666f872007-05-03 13:22:28 -07008311 dev->features |= NETIF_F_TSO6;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008312 vlan_features_add(dev, NETIF_F_TSO6);
8313 }
Michael Chanb6016b72005-05-26 13:03:09 -07008314 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008315 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008316 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008317 }
8318
Joe Perches3a9c6a42010-02-17 15:01:51 +00008319 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
8320 board_info[ent->driver_data].name,
8321 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8322 ((CHIP_ID(bp) & 0x0ff0) >> 4),
8323 bnx2_bus_string(bp, str),
8324 dev->base_addr,
8325 bp->pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008326
Michael Chanb6016b72005-05-26 13:03:09 -07008327 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008328
8329error:
8330 if (bp->mips_firmware)
8331 release_firmware(bp->mips_firmware);
8332 if (bp->rv2p_firmware)
8333 release_firmware(bp->rv2p_firmware);
8334
8335 if (bp->regview)
8336 iounmap(bp->regview);
8337 pci_release_regions(pdev);
8338 pci_disable_device(pdev);
8339 pci_set_drvdata(pdev, NULL);
8340 free_netdev(dev);
8341 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008342}
8343
8344static void __devexit
8345bnx2_remove_one(struct pci_dev *pdev)
8346{
8347 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008348 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008349
Michael Chanafdc08b2005-08-25 15:34:29 -07008350 flush_scheduled_work();
8351
Michael Chanb6016b72005-05-26 13:03:09 -07008352 unregister_netdev(dev);
8353
Michael Chan57579f72009-04-04 16:51:14 -07008354 if (bp->mips_firmware)
8355 release_firmware(bp->mips_firmware);
8356 if (bp->rv2p_firmware)
8357 release_firmware(bp->rv2p_firmware);
8358
Michael Chanb6016b72005-05-26 13:03:09 -07008359 if (bp->regview)
8360 iounmap(bp->regview);
8361
Michael Chan354fcd72010-01-17 07:30:44 +00008362 kfree(bp->temp_stats_blk);
8363
Michael Chanb6016b72005-05-26 13:03:09 -07008364 free_netdev(dev);
8365 pci_release_regions(pdev);
8366 pci_disable_device(pdev);
8367 pci_set_drvdata(pdev, NULL);
8368}
8369
8370static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07008371bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07008372{
8373 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008374 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008375
Michael Chan6caebb022007-08-03 20:57:25 -07008376 /* PCI register 4 needs to be saved whether netif_running() or not.
8377 * MSI address and data need to be saved if using MSI and
8378 * netif_running().
8379 */
8380 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008381 if (!netif_running(dev))
8382 return 0;
8383
Michael Chan1d602902006-03-20 17:50:08 -08008384 flush_scheduled_work();
Michael Chan212f9932010-04-27 11:28:10 +00008385 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008386 netif_device_detach(dev);
8387 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07008388 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008389 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07008390 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07008391 return 0;
8392}
8393
8394static int
8395bnx2_resume(struct pci_dev *pdev)
8396{
8397 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008398 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008399
Michael Chan6caebb022007-08-03 20:57:25 -07008400 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008401 if (!netif_running(dev))
8402 return 0;
8403
Pavel Machek829ca9a2005-09-03 15:56:56 -07008404 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008405 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07008406 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00008407 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008408 return 0;
8409}
8410
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008411/**
8412 * bnx2_io_error_detected - called when PCI error is detected
8413 * @pdev: Pointer to PCI device
8414 * @state: The current pci connection state
8415 *
8416 * This function is called after a PCI bus error affecting
8417 * this device has been detected.
8418 */
8419static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8420 pci_channel_state_t state)
8421{
8422 struct net_device *dev = pci_get_drvdata(pdev);
8423 struct bnx2 *bp = netdev_priv(dev);
8424
8425 rtnl_lock();
8426 netif_device_detach(dev);
8427
Dean Nelson2ec3de22009-07-31 09:13:18 +00008428 if (state == pci_channel_io_perm_failure) {
8429 rtnl_unlock();
8430 return PCI_ERS_RESULT_DISCONNECT;
8431 }
8432
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008433 if (netif_running(dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00008434 bnx2_netif_stop(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008435 del_timer_sync(&bp->timer);
8436 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8437 }
8438
8439 pci_disable_device(pdev);
8440 rtnl_unlock();
8441
8442 /* Request a slot slot reset. */
8443 return PCI_ERS_RESULT_NEED_RESET;
8444}
8445
8446/**
8447 * bnx2_io_slot_reset - called after the pci bus has been reset.
8448 * @pdev: Pointer to PCI device
8449 *
8450 * Restart the card from scratch, as if from a cold-boot.
8451 */
8452static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8453{
8454 struct net_device *dev = pci_get_drvdata(pdev);
8455 struct bnx2 *bp = netdev_priv(dev);
8456
8457 rtnl_lock();
8458 if (pci_enable_device(pdev)) {
8459 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008460 "Cannot re-enable PCI device after reset\n");
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008461 rtnl_unlock();
8462 return PCI_ERS_RESULT_DISCONNECT;
8463 }
8464 pci_set_master(pdev);
8465 pci_restore_state(pdev);
Breno Leitao529fab62009-11-26 07:31:49 +00008466 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008467
8468 if (netif_running(dev)) {
8469 bnx2_set_power_state(bp, PCI_D0);
8470 bnx2_init_nic(bp, 1);
8471 }
8472
8473 rtnl_unlock();
8474 return PCI_ERS_RESULT_RECOVERED;
8475}
8476
8477/**
8478 * bnx2_io_resume - called when traffic can start flowing again.
8479 * @pdev: Pointer to PCI device
8480 *
8481 * This callback is called when the error recovery driver tells us that
8482 * its OK to resume normal operation.
8483 */
8484static void bnx2_io_resume(struct pci_dev *pdev)
8485{
8486 struct net_device *dev = pci_get_drvdata(pdev);
8487 struct bnx2 *bp = netdev_priv(dev);
8488
8489 rtnl_lock();
8490 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00008491 bnx2_netif_start(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008492
8493 netif_device_attach(dev);
8494 rtnl_unlock();
8495}
8496
8497static struct pci_error_handlers bnx2_err_handler = {
8498 .error_detected = bnx2_io_error_detected,
8499 .slot_reset = bnx2_io_slot_reset,
8500 .resume = bnx2_io_resume,
8501};
8502
Michael Chanb6016b72005-05-26 13:03:09 -07008503static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008504 .name = DRV_MODULE_NAME,
8505 .id_table = bnx2_pci_tbl,
8506 .probe = bnx2_init_one,
8507 .remove = __devexit_p(bnx2_remove_one),
8508 .suspend = bnx2_suspend,
8509 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008510 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07008511};
8512
8513static int __init bnx2_init(void)
8514{
Jeff Garzik29917622006-08-19 17:48:59 -04008515 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07008516}
8517
8518static void __exit bnx2_cleanup(void)
8519{
8520 pci_unregister_driver(&bnx2_pci_driver);
8521}
8522
8523module_init(bnx2_init);
8524module_exit(bnx2_cleanup);
8525
8526
8527