blob: 0ba59d5aeb7f54253171f56dc711b2a3e47f0f89 [file] [log] [blame]
Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chanbec92042010-02-16 15:19:42 -08003 * Copyright (c) 2004-2010 Broadcom Corporation
Michael Chanb6016b72005-05-26 13:03:09 -07004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Written by: Michael Chan (mchan@broadcom.com)
10 */
11
Joe Perches3a9c6a42010-02-17 15:01:51 +000012#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Michael Chanf2a4f052006-03-23 01:13:12 -080013
14#include <linux/module.h>
15#include <linux/moduleparam.h>
16
17#include <linux/kernel.h>
18#include <linux/timer.h>
19#include <linux/errno.h>
20#include <linux/ioport.h>
21#include <linux/slab.h>
22#include <linux/vmalloc.h>
23#include <linux/interrupt.h>
24#include <linux/pci.h>
25#include <linux/init.h>
26#include <linux/netdevice.h>
27#include <linux/etherdevice.h>
28#include <linux/skbuff.h>
29#include <linux/dma-mapping.h>
Jiri Slaby1977f032007-10-18 23:40:25 -070030#include <linux/bitops.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080031#include <asm/io.h>
32#include <asm/irq.h>
33#include <linux/delay.h>
34#include <asm/byteorder.h>
Michael Chanc86a31f2006-06-13 15:03:47 -070035#include <asm/page.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080036#include <linux/time.h>
37#include <linux/ethtool.h>
38#include <linux/mii.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080039#include <linux/if_vlan.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080040#include <net/ip.h>
Linus Torvaldsde081fa2007-07-12 16:40:08 -070041#include <net/tcp.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080042#include <net/checksum.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080043#include <linux/workqueue.h>
44#include <linux/crc32.h>
45#include <linux/prefetch.h>
Michael Chan29b12172006-03-23 01:13:43 -080046#include <linux/cache.h>
Michael Chan57579f72009-04-04 16:51:14 -070047#include <linux/firmware.h>
Benjamin Li706bf242008-07-18 17:55:11 -070048#include <linux/log2.h>
John Feeneycd709aa2010-08-22 17:45:53 +000049#include <linux/aer.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080050
Michael Chan4edd4732009-06-08 18:14:42 -070051#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
52#define BCM_CNIC 1
53#include "cnic_if.h"
54#endif
Michael Chanb6016b72005-05-26 13:03:09 -070055#include "bnx2.h"
56#include "bnx2_fw.h"
Denys Vlasenkob3448b02007-09-30 17:55:51 -070057
Michael Chanb6016b72005-05-26 13:03:09 -070058#define DRV_MODULE_NAME "bnx2"
Michael Chan02681022010-12-31 11:04:02 -080059#define DRV_MODULE_VERSION "2.0.21"
60#define DRV_MODULE_RELDATE "Dec 23, 2010"
61#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.1.fw"
Michael Chan22fa1592010-10-11 16:12:00 -070062#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
Michael Chan02681022010-12-31 11:04:02 -080063#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1.fw"
Michael Chan22fa1592010-10-11 16:12:00 -070064#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
65#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
Michael Chanb6016b72005-05-26 13:03:09 -070066
67#define RUN_AT(x) (jiffies + (x))
68
69/* Time in jiffies before concluding the transmitter is hung. */
70#define TX_TIMEOUT (5*HZ)
71
Andrew Mortonfefa8642008-02-09 23:17:15 -080072static char version[] __devinitdata =
Michael Chanb6016b72005-05-26 13:03:09 -070073 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
74
75MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
Benjamin Li453a9c62008-09-18 16:39:16 -070076MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070077MODULE_LICENSE("GPL");
78MODULE_VERSION(DRV_MODULE_VERSION);
Michael Chan57579f72009-04-04 16:51:14 -070079MODULE_FIRMWARE(FW_MIPS_FILE_06);
80MODULE_FIRMWARE(FW_RV2P_FILE_06);
81MODULE_FIRMWARE(FW_MIPS_FILE_09);
82MODULE_FIRMWARE(FW_RV2P_FILE_09);
Michael Chan078b0732009-08-29 00:02:46 -070083MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
Michael Chanb6016b72005-05-26 13:03:09 -070084
85static int disable_msi = 0;
86
87module_param(disable_msi, int, 0);
88MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
89
90typedef enum {
91 BCM5706 = 0,
92 NC370T,
93 NC370I,
94 BCM5706S,
95 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080096 BCM5708,
97 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -080098 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -070099 BCM5709S,
Michael Chan7bb0a042008-07-14 22:37:47 -0700100 BCM5716,
Michael Chan1caacec2008-11-12 16:01:12 -0800101 BCM5716S,
Michael Chanb6016b72005-05-26 13:03:09 -0700102} board_t;
103
104/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -0800105static struct {
Michael Chanb6016b72005-05-26 13:03:09 -0700106 char *name;
107} board_info[] __devinitdata = {
108 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
109 { "HP NC370T Multifunction Gigabit Server Adapter" },
110 { "HP NC370i Multifunction Gigabit Server Adapter" },
111 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
112 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800113 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
114 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800115 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700116 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chan7bb0a042008-07-14 22:37:47 -0700117 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
Michael Chan1caacec2008-11-12 16:01:12 -0800118 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700119 };
120
Michael Chan7bb0a042008-07-14 22:37:47 -0700121static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
Michael Chanb6016b72005-05-26 13:03:09 -0700122 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
123 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
125 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
126 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
127 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800128 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700130 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
131 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
132 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
133 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800134 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800136 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700138 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chan7bb0a042008-07-14 22:37:47 -0700140 { PCI_VENDOR_ID_BROADCOM, 0x163b,
141 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
Michael Chan1caacec2008-11-12 16:01:12 -0800142 { PCI_VENDOR_ID_BROADCOM, 0x163c,
Michael Chan1f2435e2008-12-16 20:28:13 -0800143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
Michael Chanb6016b72005-05-26 13:03:09 -0700144 { 0, }
145};
146
Michael Chan0ced9d02009-08-21 16:20:49 +0000147static const struct flash_spec flash_table[] =
Michael Chanb6016b72005-05-26 13:03:09 -0700148{
Michael Chane30372c2007-07-16 18:26:23 -0700149#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
150#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700151 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800152 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700153 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700154 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
155 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800156 /* Expansion entry 0001 */
157 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700158 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800159 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
160 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700161 /* Saifun SA25F010 (non-buffered flash) */
162 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800163 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700164 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700165 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
166 "Non-buffered flash (128kB)"},
167 /* Saifun SA25F020 (non-buffered flash) */
168 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800169 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700170 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700171 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
172 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800173 /* Expansion entry 0100 */
174 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700175 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800176 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
177 "Entry 0100"},
178 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400179 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700180 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800181 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
182 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
183 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
184 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700185 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800186 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
187 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
188 /* Saifun SA25F005 (non-buffered flash) */
189 /* strap, cfg1, & write1 need updates */
190 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700191 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800192 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
193 "Non-buffered flash (64kB)"},
194 /* Fast EEPROM */
195 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700196 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800197 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
198 "EEPROM - fast"},
199 /* Expansion entry 1001 */
200 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700201 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800202 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
203 "Entry 1001"},
204 /* Expansion entry 1010 */
205 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700206 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800207 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
208 "Entry 1010"},
209 /* ATMEL AT45DB011B (buffered flash) */
210 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700211 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800212 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
213 "Buffered flash (128kB)"},
214 /* Expansion entry 1100 */
215 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700216 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800217 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
218 "Entry 1100"},
219 /* Expansion entry 1101 */
220 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700221 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800222 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
223 "Entry 1101"},
224 /* Ateml Expansion entry 1110 */
225 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700226 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800227 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
228 "Entry 1110 (Atmel)"},
229 /* ATMEL AT45DB021B (buffered flash) */
230 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700231 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800232 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
233 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700234};
235
Michael Chan0ced9d02009-08-21 16:20:49 +0000236static const struct flash_spec flash_5709 = {
Michael Chane30372c2007-07-16 18:26:23 -0700237 .flags = BNX2_NV_BUFFERED,
238 .page_bits = BCM5709_FLASH_PAGE_BITS,
239 .page_size = BCM5709_FLASH_PAGE_SIZE,
240 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
241 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
242 .name = "5709 Buffered flash (256kB)",
243};
244
Michael Chanb6016b72005-05-26 13:03:09 -0700245MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
246
Benjamin Li4327ba42010-03-23 13:13:11 +0000247static void bnx2_init_napi(struct bnx2 *bp);
Michael Chanf048fa92010-06-01 15:05:36 +0000248static void bnx2_del_napi(struct bnx2 *bp);
Benjamin Li4327ba42010-03-23 13:13:11 +0000249
Michael Chan35e90102008-06-19 16:37:42 -0700250static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
Michael Chane89bbf12005-08-25 15:36:58 -0700251{
Michael Chan2f8af122006-08-15 01:39:10 -0700252 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700253
Michael Chan11848b962010-07-19 14:15:04 +0000254 /* Tell compiler to fetch tx_prod and tx_cons from memory. */
255 barrier();
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 }
Eric Dumazet807540b2010-09-23 05:40:09 +0000266 return bp->tx_ring_size - diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700267}
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{
Eric Dumazet807540b2010-09-23 05:40:09 +0000299 return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
Michael Chan2726d6e2008-01-29 21:35:05 -0800300}
301
302static void
Michael Chanb6016b72005-05-26 13:03:09 -0700303bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
304{
305 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700306 spin_lock_bh(&bp->indirect_lock);
Michael Chan59b47d82006-11-19 14:10:45 -0800307 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
308 int i;
309
310 REG_WR(bp, BNX2_CTX_CTX_DATA, val);
311 REG_WR(bp, BNX2_CTX_CTX_CTRL,
312 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
313 for (i = 0; i < 5; i++) {
Michael Chan59b47d82006-11-19 14:10:45 -0800314 val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
315 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
316 break;
317 udelay(5);
318 }
319 } else {
320 REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
321 REG_WR(bp, BNX2_CTX_DATA, val);
322 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700323 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700324}
325
Michael Chan4edd4732009-06-08 18:14:42 -0700326#ifdef BCM_CNIC
327static int
328bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
329{
330 struct bnx2 *bp = netdev_priv(dev);
331 struct drv_ctl_io *io = &info->data.io;
332
333 switch (info->cmd) {
334 case DRV_CTL_IO_WR_CMD:
335 bnx2_reg_wr_ind(bp, io->offset, io->data);
336 break;
337 case DRV_CTL_IO_RD_CMD:
338 io->data = bnx2_reg_rd_ind(bp, io->offset);
339 break;
340 case DRV_CTL_CTX_WR_CMD:
341 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
342 break;
343 default:
344 return -EINVAL;
345 }
346 return 0;
347}
348
349static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
350{
351 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
352 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
353 int sb_id;
354
355 if (bp->flags & BNX2_FLAG_USING_MSIX) {
356 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
357 bnapi->cnic_present = 0;
358 sb_id = bp->irq_nvecs;
359 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
360 } else {
361 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
362 bnapi->cnic_tag = bnapi->last_status_idx;
363 bnapi->cnic_present = 1;
364 sb_id = 0;
365 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
366 }
367
368 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
369 cp->irq_arr[0].status_blk = (void *)
370 ((unsigned long) bnapi->status_blk.msi +
371 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
372 cp->irq_arr[0].status_blk_num = sb_id;
373 cp->num_irq = 1;
374}
375
376static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
377 void *data)
378{
379 struct bnx2 *bp = netdev_priv(dev);
380 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
381
382 if (ops == NULL)
383 return -EINVAL;
384
385 if (cp->drv_state & CNIC_DRV_STATE_REGD)
386 return -EBUSY;
387
388 bp->cnic_data = data;
389 rcu_assign_pointer(bp->cnic_ops, ops);
390
391 cp->num_irq = 0;
392 cp->drv_state = CNIC_DRV_STATE_REGD;
393
394 bnx2_setup_cnic_irq_info(bp);
395
396 return 0;
397}
398
399static int bnx2_unregister_cnic(struct net_device *dev)
400{
401 struct bnx2 *bp = netdev_priv(dev);
402 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
403 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
404
Michael Chanc5a88952009-08-14 15:49:45 +0000405 mutex_lock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700406 cp->drv_state = 0;
407 bnapi->cnic_present = 0;
408 rcu_assign_pointer(bp->cnic_ops, NULL);
Michael Chanc5a88952009-08-14 15:49:45 +0000409 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700410 synchronize_rcu();
411 return 0;
412}
413
414struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
415{
416 struct bnx2 *bp = netdev_priv(dev);
417 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
418
419 cp->drv_owner = THIS_MODULE;
420 cp->chip_id = bp->chip_id;
421 cp->pdev = bp->pdev;
422 cp->io_base = bp->regview;
423 cp->drv_ctl = bnx2_drv_ctl;
424 cp->drv_register_cnic = bnx2_register_cnic;
425 cp->drv_unregister_cnic = bnx2_unregister_cnic;
426
427 return cp;
428}
429EXPORT_SYMBOL(bnx2_cnic_probe);
430
431static void
432bnx2_cnic_stop(struct bnx2 *bp)
433{
434 struct cnic_ops *c_ops;
435 struct cnic_ctl_info info;
436
Michael Chanc5a88952009-08-14 15:49:45 +0000437 mutex_lock(&bp->cnic_lock);
438 c_ops = bp->cnic_ops;
Michael Chan4edd4732009-06-08 18:14:42 -0700439 if (c_ops) {
440 info.cmd = CNIC_CTL_STOP_CMD;
441 c_ops->cnic_ctl(bp->cnic_data, &info);
442 }
Michael Chanc5a88952009-08-14 15:49:45 +0000443 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700444}
445
446static void
447bnx2_cnic_start(struct bnx2 *bp)
448{
449 struct cnic_ops *c_ops;
450 struct cnic_ctl_info info;
451
Michael Chanc5a88952009-08-14 15:49:45 +0000452 mutex_lock(&bp->cnic_lock);
453 c_ops = bp->cnic_ops;
Michael Chan4edd4732009-06-08 18:14:42 -0700454 if (c_ops) {
455 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
456 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
457
458 bnapi->cnic_tag = bnapi->last_status_idx;
459 }
460 info.cmd = CNIC_CTL_START_CMD;
461 c_ops->cnic_ctl(bp->cnic_data, &info);
462 }
Michael Chanc5a88952009-08-14 15:49:45 +0000463 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700464}
465
466#else
467
468static void
469bnx2_cnic_stop(struct bnx2 *bp)
470{
471}
472
473static void
474bnx2_cnic_start(struct bnx2 *bp)
475{
476}
477
478#endif
479
Michael Chanb6016b72005-05-26 13:03:09 -0700480static int
481bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
482{
483 u32 val1;
484 int i, ret;
485
Michael Chan583c28e2008-01-21 19:51:35 -0800486 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700487 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
488 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
489
490 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
491 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
492
493 udelay(40);
494 }
495
496 val1 = (bp->phy_addr << 21) | (reg << 16) |
497 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
498 BNX2_EMAC_MDIO_COMM_START_BUSY;
499 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
500
501 for (i = 0; i < 50; i++) {
502 udelay(10);
503
504 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
505 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
506 udelay(5);
507
508 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
509 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
510
511 break;
512 }
513 }
514
515 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
516 *val = 0x0;
517 ret = -EBUSY;
518 }
519 else {
520 *val = val1;
521 ret = 0;
522 }
523
Michael Chan583c28e2008-01-21 19:51:35 -0800524 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700525 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
526 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
527
528 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
529 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
530
531 udelay(40);
532 }
533
534 return ret;
535}
536
537static int
538bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
539{
540 u32 val1;
541 int i, ret;
542
Michael Chan583c28e2008-01-21 19:51:35 -0800543 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700544 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
545 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
546
547 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
548 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
549
550 udelay(40);
551 }
552
553 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
554 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
555 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
556 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400557
Michael Chanb6016b72005-05-26 13:03:09 -0700558 for (i = 0; i < 50; i++) {
559 udelay(10);
560
561 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
562 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
563 udelay(5);
564 break;
565 }
566 }
567
568 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
569 ret = -EBUSY;
570 else
571 ret = 0;
572
Michael Chan583c28e2008-01-21 19:51:35 -0800573 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700574 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
575 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
576
577 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
578 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
579
580 udelay(40);
581 }
582
583 return ret;
584}
585
586static void
587bnx2_disable_int(struct bnx2 *bp)
588{
Michael Chanb4b36042007-12-20 19:59:30 -0800589 int i;
590 struct bnx2_napi *bnapi;
591
592 for (i = 0; i < bp->irq_nvecs; i++) {
593 bnapi = &bp->bnx2_napi[i];
594 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
595 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
596 }
Michael Chanb6016b72005-05-26 13:03:09 -0700597 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
598}
599
600static void
601bnx2_enable_int(struct bnx2 *bp)
602{
Michael Chanb4b36042007-12-20 19:59:30 -0800603 int i;
604 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800605
Michael Chanb4b36042007-12-20 19:59:30 -0800606 for (i = 0; i < bp->irq_nvecs; i++) {
607 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800608
Michael Chanb4b36042007-12-20 19:59:30 -0800609 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
610 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
611 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
612 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700613
Michael Chanb4b36042007-12-20 19:59:30 -0800614 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
615 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
616 bnapi->last_status_idx);
617 }
Michael Chanbf5295b2006-03-23 01:11:56 -0800618 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700619}
620
621static void
622bnx2_disable_int_sync(struct bnx2 *bp)
623{
Michael Chanb4b36042007-12-20 19:59:30 -0800624 int i;
625
Michael Chanb6016b72005-05-26 13:03:09 -0700626 atomic_inc(&bp->intr_sem);
Michael Chan37675462009-08-21 16:20:44 +0000627 if (!netif_running(bp->dev))
628 return;
629
Michael Chanb6016b72005-05-26 13:03:09 -0700630 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800631 for (i = 0; i < bp->irq_nvecs; i++)
632 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700633}
634
635static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800636bnx2_napi_disable(struct bnx2 *bp)
637{
Michael Chanb4b36042007-12-20 19:59:30 -0800638 int i;
639
640 for (i = 0; i < bp->irq_nvecs; i++)
641 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800642}
643
644static void
645bnx2_napi_enable(struct bnx2 *bp)
646{
Michael Chanb4b36042007-12-20 19:59:30 -0800647 int i;
648
649 for (i = 0; i < bp->irq_nvecs; i++)
650 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800651}
652
653static void
Michael Chan212f9932010-04-27 11:28:10 +0000654bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700655{
Michael Chan212f9932010-04-27 11:28:10 +0000656 if (stop_cnic)
657 bnx2_cnic_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700658 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800659 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700660 netif_tx_disable(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -0700661 }
Michael Chanb7466562009-12-20 18:40:18 -0800662 bnx2_disable_int_sync(bp);
Michael Chana0ba6762010-05-17 17:34:43 -0700663 netif_carrier_off(bp->dev); /* prevent tx timeout */
Michael Chanb6016b72005-05-26 13:03:09 -0700664}
665
666static void
Michael Chan212f9932010-04-27 11:28:10 +0000667bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700668{
669 if (atomic_dec_and_test(&bp->intr_sem)) {
670 if (netif_running(bp->dev)) {
Benjamin Li706bf242008-07-18 17:55:11 -0700671 netif_tx_wake_all_queues(bp->dev);
Michael Chana0ba6762010-05-17 17:34:43 -0700672 spin_lock_bh(&bp->phy_lock);
673 if (bp->link_up)
674 netif_carrier_on(bp->dev);
675 spin_unlock_bh(&bp->phy_lock);
Michael Chan35efa7c2007-12-20 19:56:37 -0800676 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700677 bnx2_enable_int(bp);
Michael Chan212f9932010-04-27 11:28:10 +0000678 if (start_cnic)
679 bnx2_cnic_start(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700680 }
681 }
682}
683
684static void
Michael Chan35e90102008-06-19 16:37:42 -0700685bnx2_free_tx_mem(struct bnx2 *bp)
686{
687 int i;
688
689 for (i = 0; i < bp->num_tx_rings; i++) {
690 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
691 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
692
693 if (txr->tx_desc_ring) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000694 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
695 txr->tx_desc_ring,
696 txr->tx_desc_mapping);
Michael Chan35e90102008-06-19 16:37:42 -0700697 txr->tx_desc_ring = NULL;
698 }
699 kfree(txr->tx_buf_ring);
700 txr->tx_buf_ring = NULL;
701 }
702}
703
Michael Chanbb4f98a2008-06-19 16:38:19 -0700704static void
705bnx2_free_rx_mem(struct bnx2 *bp)
706{
707 int i;
708
709 for (i = 0; i < bp->num_rx_rings; i++) {
710 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
711 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
712 int j;
713
714 for (j = 0; j < bp->rx_max_ring; j++) {
715 if (rxr->rx_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000716 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
717 rxr->rx_desc_ring[j],
718 rxr->rx_desc_mapping[j]);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700719 rxr->rx_desc_ring[j] = NULL;
720 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000721 vfree(rxr->rx_buf_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700722 rxr->rx_buf_ring = NULL;
723
724 for (j = 0; j < bp->rx_max_pg_ring; j++) {
725 if (rxr->rx_pg_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000726 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
727 rxr->rx_pg_desc_ring[j],
728 rxr->rx_pg_desc_mapping[j]);
Michael Chan3298a732008-12-17 19:06:08 -0800729 rxr->rx_pg_desc_ring[j] = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -0700730 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000731 vfree(rxr->rx_pg_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700732 rxr->rx_pg_ring = NULL;
733 }
734}
735
Michael Chan35e90102008-06-19 16:37:42 -0700736static int
737bnx2_alloc_tx_mem(struct bnx2 *bp)
738{
739 int i;
740
741 for (i = 0; i < bp->num_tx_rings; i++) {
742 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
743 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
744
745 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
746 if (txr->tx_buf_ring == NULL)
747 return -ENOMEM;
748
749 txr->tx_desc_ring =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000750 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
751 &txr->tx_desc_mapping, GFP_KERNEL);
Michael Chan35e90102008-06-19 16:37:42 -0700752 if (txr->tx_desc_ring == NULL)
753 return -ENOMEM;
754 }
755 return 0;
756}
757
Michael Chanbb4f98a2008-06-19 16:38:19 -0700758static int
759bnx2_alloc_rx_mem(struct bnx2 *bp)
760{
761 int i;
762
763 for (i = 0; i < bp->num_rx_rings; i++) {
764 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
765 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
766 int j;
767
768 rxr->rx_buf_ring =
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000769 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700770 if (rxr->rx_buf_ring == NULL)
771 return -ENOMEM;
772
Michael Chanbb4f98a2008-06-19 16:38:19 -0700773 for (j = 0; j < bp->rx_max_ring; j++) {
774 rxr->rx_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000775 dma_alloc_coherent(&bp->pdev->dev,
776 RXBD_RING_SIZE,
777 &rxr->rx_desc_mapping[j],
778 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700779 if (rxr->rx_desc_ring[j] == NULL)
780 return -ENOMEM;
781
782 }
783
784 if (bp->rx_pg_ring_size) {
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000785 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
Michael Chanbb4f98a2008-06-19 16:38:19 -0700786 bp->rx_max_pg_ring);
787 if (rxr->rx_pg_ring == NULL)
788 return -ENOMEM;
789
Michael Chanbb4f98a2008-06-19 16:38:19 -0700790 }
791
792 for (j = 0; j < bp->rx_max_pg_ring; j++) {
793 rxr->rx_pg_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000794 dma_alloc_coherent(&bp->pdev->dev,
795 RXBD_RING_SIZE,
796 &rxr->rx_pg_desc_mapping[j],
797 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700798 if (rxr->rx_pg_desc_ring[j] == NULL)
799 return -ENOMEM;
800
801 }
802 }
803 return 0;
804}
805
Michael Chan35e90102008-06-19 16:37:42 -0700806static void
Michael Chanb6016b72005-05-26 13:03:09 -0700807bnx2_free_mem(struct bnx2 *bp)
808{
Michael Chan13daffa2006-03-20 17:49:20 -0800809 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700810 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800811
Michael Chan35e90102008-06-19 16:37:42 -0700812 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700813 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700814
Michael Chan59b47d82006-11-19 14:10:45 -0800815 for (i = 0; i < bp->ctx_pages; i++) {
816 if (bp->ctx_blk[i]) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000817 dma_free_coherent(&bp->pdev->dev, BCM_PAGE_SIZE,
818 bp->ctx_blk[i],
819 bp->ctx_blk_mapping[i]);
Michael Chan59b47d82006-11-19 14:10:45 -0800820 bp->ctx_blk[i] = NULL;
821 }
822 }
Michael Chan43e80b82008-06-19 16:41:08 -0700823 if (bnapi->status_blk.msi) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000824 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
825 bnapi->status_blk.msi,
826 bp->status_blk_mapping);
Michael Chan43e80b82008-06-19 16:41:08 -0700827 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800828 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700829 }
Michael Chanb6016b72005-05-26 13:03:09 -0700830}
831
832static int
833bnx2_alloc_mem(struct bnx2 *bp)
834{
Michael Chan35e90102008-06-19 16:37:42 -0700835 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700836 struct bnx2_napi *bnapi;
837 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700838
Michael Chan0f31f992006-03-23 01:12:38 -0800839 /* Combine status and statistics blocks into one allocation. */
840 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800841 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800842 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
843 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800844 bp->status_stats_size = status_blk_size +
845 sizeof(struct statistics_block);
846
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000847 status_blk = dma_alloc_coherent(&bp->pdev->dev, bp->status_stats_size,
848 &bp->status_blk_mapping, GFP_KERNEL);
Michael Chan43e80b82008-06-19 16:41:08 -0700849 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700850 goto alloc_mem_err;
851
Michael Chan43e80b82008-06-19 16:41:08 -0700852 memset(status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700853
Michael Chan43e80b82008-06-19 16:41:08 -0700854 bnapi = &bp->bnx2_napi[0];
855 bnapi->status_blk.msi = status_blk;
856 bnapi->hw_tx_cons_ptr =
857 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
858 bnapi->hw_rx_cons_ptr =
859 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800860 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chan379b39a2010-07-19 14:15:03 +0000861 for (i = 1; i < bp->irq_nvecs; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700862 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800863
Michael Chan43e80b82008-06-19 16:41:08 -0700864 bnapi = &bp->bnx2_napi[i];
865
866 sblk = (void *) (status_blk +
867 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
868 bnapi->status_blk.msix = sblk;
869 bnapi->hw_tx_cons_ptr =
870 &sblk->status_tx_quick_consumer_index;
871 bnapi->hw_rx_cons_ptr =
872 &sblk->status_rx_quick_consumer_index;
Michael Chanb4b36042007-12-20 19:59:30 -0800873 bnapi->int_num = i << 24;
874 }
875 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800876
Michael Chan43e80b82008-06-19 16:41:08 -0700877 bp->stats_blk = status_blk + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700878
Michael Chan0f31f992006-03-23 01:12:38 -0800879 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700880
Michael Chan59b47d82006-11-19 14:10:45 -0800881 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
882 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
883 if (bp->ctx_pages == 0)
884 bp->ctx_pages = 1;
885 for (i = 0; i < bp->ctx_pages; i++) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000886 bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
Michael Chan59b47d82006-11-19 14:10:45 -0800887 BCM_PAGE_SIZE,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000888 &bp->ctx_blk_mapping[i],
889 GFP_KERNEL);
Michael Chan59b47d82006-11-19 14:10:45 -0800890 if (bp->ctx_blk[i] == NULL)
891 goto alloc_mem_err;
892 }
893 }
Michael Chan35e90102008-06-19 16:37:42 -0700894
Michael Chanbb4f98a2008-06-19 16:38:19 -0700895 err = bnx2_alloc_rx_mem(bp);
896 if (err)
897 goto alloc_mem_err;
898
Michael Chan35e90102008-06-19 16:37:42 -0700899 err = bnx2_alloc_tx_mem(bp);
900 if (err)
901 goto alloc_mem_err;
902
Michael Chanb6016b72005-05-26 13:03:09 -0700903 return 0;
904
905alloc_mem_err:
906 bnx2_free_mem(bp);
907 return -ENOMEM;
908}
909
910static void
Michael Chane3648b32005-11-04 08:51:21 -0800911bnx2_report_fw_link(struct bnx2 *bp)
912{
913 u32 fw_link_status = 0;
914
Michael Chan583c28e2008-01-21 19:51:35 -0800915 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700916 return;
917
Michael Chane3648b32005-11-04 08:51:21 -0800918 if (bp->link_up) {
919 u32 bmsr;
920
921 switch (bp->line_speed) {
922 case SPEED_10:
923 if (bp->duplex == DUPLEX_HALF)
924 fw_link_status = BNX2_LINK_STATUS_10HALF;
925 else
926 fw_link_status = BNX2_LINK_STATUS_10FULL;
927 break;
928 case SPEED_100:
929 if (bp->duplex == DUPLEX_HALF)
930 fw_link_status = BNX2_LINK_STATUS_100HALF;
931 else
932 fw_link_status = BNX2_LINK_STATUS_100FULL;
933 break;
934 case SPEED_1000:
935 if (bp->duplex == DUPLEX_HALF)
936 fw_link_status = BNX2_LINK_STATUS_1000HALF;
937 else
938 fw_link_status = BNX2_LINK_STATUS_1000FULL;
939 break;
940 case SPEED_2500:
941 if (bp->duplex == DUPLEX_HALF)
942 fw_link_status = BNX2_LINK_STATUS_2500HALF;
943 else
944 fw_link_status = BNX2_LINK_STATUS_2500FULL;
945 break;
946 }
947
948 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
949
950 if (bp->autoneg) {
951 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
952
Michael Chanca58c3a2007-05-03 13:22:52 -0700953 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
954 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800955
956 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800957 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800958 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
959 else
960 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
961 }
962 }
963 else
964 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
965
Michael Chan2726d6e2008-01-29 21:35:05 -0800966 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800967}
968
Michael Chan9b1084b2007-07-07 22:50:37 -0700969static char *
970bnx2_xceiver_str(struct bnx2 *bp)
971{
Eric Dumazet807540b2010-09-23 05:40:09 +0000972 return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800973 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Eric Dumazet807540b2010-09-23 05:40:09 +0000974 "Copper");
Michael Chan9b1084b2007-07-07 22:50:37 -0700975}
976
Michael Chane3648b32005-11-04 08:51:21 -0800977static void
Michael Chanb6016b72005-05-26 13:03:09 -0700978bnx2_report_link(struct bnx2 *bp)
979{
980 if (bp->link_up) {
981 netif_carrier_on(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +0000982 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
983 bnx2_xceiver_str(bp),
984 bp->line_speed,
985 bp->duplex == DUPLEX_FULL ? "full" : "half");
Michael Chanb6016b72005-05-26 13:03:09 -0700986
987 if (bp->flow_ctrl) {
988 if (bp->flow_ctrl & FLOW_CTRL_RX) {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000989 pr_cont(", receive ");
Michael Chanb6016b72005-05-26 13:03:09 -0700990 if (bp->flow_ctrl & FLOW_CTRL_TX)
Joe Perches3a9c6a42010-02-17 15:01:51 +0000991 pr_cont("& transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -0700992 }
993 else {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000994 pr_cont(", transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -0700995 }
Joe Perches3a9c6a42010-02-17 15:01:51 +0000996 pr_cont("flow control ON");
Michael Chanb6016b72005-05-26 13:03:09 -0700997 }
Joe Perches3a9c6a42010-02-17 15:01:51 +0000998 pr_cont("\n");
999 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07001000 netif_carrier_off(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +00001001 netdev_err(bp->dev, "NIC %s Link is Down\n",
1002 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -07001003 }
Michael Chane3648b32005-11-04 08:51:21 -08001004
1005 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001006}
1007
1008static void
1009bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1010{
1011 u32 local_adv, remote_adv;
1012
1013 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001014 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -07001015 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1016
1017 if (bp->duplex == DUPLEX_FULL) {
1018 bp->flow_ctrl = bp->req_flow_ctrl;
1019 }
1020 return;
1021 }
1022
1023 if (bp->duplex != DUPLEX_FULL) {
1024 return;
1025 }
1026
Michael Chan583c28e2008-01-21 19:51:35 -08001027 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan5b0c76a2005-11-04 08:45:49 -08001028 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
1029 u32 val;
1030
1031 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1032 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1033 bp->flow_ctrl |= FLOW_CTRL_TX;
1034 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1035 bp->flow_ctrl |= FLOW_CTRL_RX;
1036 return;
1037 }
1038
Michael Chanca58c3a2007-05-03 13:22:52 -07001039 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1040 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001041
Michael Chan583c28e2008-01-21 19:51:35 -08001042 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001043 u32 new_local_adv = 0;
1044 u32 new_remote_adv = 0;
1045
1046 if (local_adv & ADVERTISE_1000XPAUSE)
1047 new_local_adv |= ADVERTISE_PAUSE_CAP;
1048 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1049 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1050 if (remote_adv & ADVERTISE_1000XPAUSE)
1051 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1052 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1053 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1054
1055 local_adv = new_local_adv;
1056 remote_adv = new_remote_adv;
1057 }
1058
1059 /* See Table 28B-3 of 802.3ab-1999 spec. */
1060 if (local_adv & ADVERTISE_PAUSE_CAP) {
1061 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1062 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1063 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1064 }
1065 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1066 bp->flow_ctrl = FLOW_CTRL_RX;
1067 }
1068 }
1069 else {
1070 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1071 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1072 }
1073 }
1074 }
1075 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1076 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1077 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1078
1079 bp->flow_ctrl = FLOW_CTRL_TX;
1080 }
1081 }
1082}
1083
1084static int
Michael Chan27a005b2007-05-03 13:23:41 -07001085bnx2_5709s_linkup(struct bnx2 *bp)
1086{
1087 u32 val, speed;
1088
1089 bp->link_up = 1;
1090
1091 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1092 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1093 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1094
1095 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1096 bp->line_speed = bp->req_line_speed;
1097 bp->duplex = bp->req_duplex;
1098 return 0;
1099 }
1100 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1101 switch (speed) {
1102 case MII_BNX2_GP_TOP_AN_SPEED_10:
1103 bp->line_speed = SPEED_10;
1104 break;
1105 case MII_BNX2_GP_TOP_AN_SPEED_100:
1106 bp->line_speed = SPEED_100;
1107 break;
1108 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1109 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1110 bp->line_speed = SPEED_1000;
1111 break;
1112 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1113 bp->line_speed = SPEED_2500;
1114 break;
1115 }
1116 if (val & MII_BNX2_GP_TOP_AN_FD)
1117 bp->duplex = DUPLEX_FULL;
1118 else
1119 bp->duplex = DUPLEX_HALF;
1120 return 0;
1121}
1122
1123static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001124bnx2_5708s_linkup(struct bnx2 *bp)
1125{
1126 u32 val;
1127
1128 bp->link_up = 1;
1129 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1130 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1131 case BCM5708S_1000X_STAT1_SPEED_10:
1132 bp->line_speed = SPEED_10;
1133 break;
1134 case BCM5708S_1000X_STAT1_SPEED_100:
1135 bp->line_speed = SPEED_100;
1136 break;
1137 case BCM5708S_1000X_STAT1_SPEED_1G:
1138 bp->line_speed = SPEED_1000;
1139 break;
1140 case BCM5708S_1000X_STAT1_SPEED_2G5:
1141 bp->line_speed = SPEED_2500;
1142 break;
1143 }
1144 if (val & BCM5708S_1000X_STAT1_FD)
1145 bp->duplex = DUPLEX_FULL;
1146 else
1147 bp->duplex = DUPLEX_HALF;
1148
1149 return 0;
1150}
1151
1152static int
1153bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001154{
1155 u32 bmcr, local_adv, remote_adv, common;
1156
1157 bp->link_up = 1;
1158 bp->line_speed = SPEED_1000;
1159
Michael Chanca58c3a2007-05-03 13:22:52 -07001160 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001161 if (bmcr & BMCR_FULLDPLX) {
1162 bp->duplex = DUPLEX_FULL;
1163 }
1164 else {
1165 bp->duplex = DUPLEX_HALF;
1166 }
1167
1168 if (!(bmcr & BMCR_ANENABLE)) {
1169 return 0;
1170 }
1171
Michael Chanca58c3a2007-05-03 13:22:52 -07001172 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1173 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001174
1175 common = local_adv & remote_adv;
1176 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1177
1178 if (common & ADVERTISE_1000XFULL) {
1179 bp->duplex = DUPLEX_FULL;
1180 }
1181 else {
1182 bp->duplex = DUPLEX_HALF;
1183 }
1184 }
1185
1186 return 0;
1187}
1188
1189static int
1190bnx2_copper_linkup(struct bnx2 *bp)
1191{
1192 u32 bmcr;
1193
Michael Chanca58c3a2007-05-03 13:22:52 -07001194 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001195 if (bmcr & BMCR_ANENABLE) {
1196 u32 local_adv, remote_adv, common;
1197
1198 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1199 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1200
1201 common = local_adv & (remote_adv >> 2);
1202 if (common & ADVERTISE_1000FULL) {
1203 bp->line_speed = SPEED_1000;
1204 bp->duplex = DUPLEX_FULL;
1205 }
1206 else if (common & ADVERTISE_1000HALF) {
1207 bp->line_speed = SPEED_1000;
1208 bp->duplex = DUPLEX_HALF;
1209 }
1210 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001211 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1212 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001213
1214 common = local_adv & remote_adv;
1215 if (common & ADVERTISE_100FULL) {
1216 bp->line_speed = SPEED_100;
1217 bp->duplex = DUPLEX_FULL;
1218 }
1219 else if (common & ADVERTISE_100HALF) {
1220 bp->line_speed = SPEED_100;
1221 bp->duplex = DUPLEX_HALF;
1222 }
1223 else if (common & ADVERTISE_10FULL) {
1224 bp->line_speed = SPEED_10;
1225 bp->duplex = DUPLEX_FULL;
1226 }
1227 else if (common & ADVERTISE_10HALF) {
1228 bp->line_speed = SPEED_10;
1229 bp->duplex = DUPLEX_HALF;
1230 }
1231 else {
1232 bp->line_speed = 0;
1233 bp->link_up = 0;
1234 }
1235 }
1236 }
1237 else {
1238 if (bmcr & BMCR_SPEED100) {
1239 bp->line_speed = SPEED_100;
1240 }
1241 else {
1242 bp->line_speed = SPEED_10;
1243 }
1244 if (bmcr & BMCR_FULLDPLX) {
1245 bp->duplex = DUPLEX_FULL;
1246 }
1247 else {
1248 bp->duplex = DUPLEX_HALF;
1249 }
1250 }
1251
1252 return 0;
1253}
1254
Michael Chan83e3fc82008-01-29 21:37:17 -08001255static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001256bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001257{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001258 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001259
1260 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1261 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1262 val |= 0x02 << 8;
1263
Michael Chan22fa1592010-10-11 16:12:00 -07001264 if (bp->flow_ctrl & FLOW_CTRL_TX)
1265 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
Michael Chan83e3fc82008-01-29 21:37:17 -08001266
Michael Chan83e3fc82008-01-29 21:37:17 -08001267 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1268}
1269
Michael Chanbb4f98a2008-06-19 16:38:19 -07001270static void
1271bnx2_init_all_rx_contexts(struct bnx2 *bp)
1272{
1273 int i;
1274 u32 cid;
1275
1276 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1277 if (i == 1)
1278 cid = RX_RSS_CID;
1279 bnx2_init_rx_context(bp, cid);
1280 }
1281}
1282
Benjamin Li344478d2008-09-18 16:38:24 -07001283static void
Michael Chanb6016b72005-05-26 13:03:09 -07001284bnx2_set_mac_link(struct bnx2 *bp)
1285{
1286 u32 val;
1287
1288 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1289 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1290 (bp->duplex == DUPLEX_HALF)) {
1291 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1292 }
1293
1294 /* Configure the EMAC mode register. */
1295 val = REG_RD(bp, BNX2_EMAC_MODE);
1296
1297 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001298 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001299 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001300
1301 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001302 switch (bp->line_speed) {
1303 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -08001304 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1305 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001306 break;
1307 }
1308 /* fall through */
1309 case SPEED_100:
1310 val |= BNX2_EMAC_MODE_PORT_MII;
1311 break;
1312 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001313 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001314 /* fall through */
1315 case SPEED_1000:
1316 val |= BNX2_EMAC_MODE_PORT_GMII;
1317 break;
1318 }
Michael Chanb6016b72005-05-26 13:03:09 -07001319 }
1320 else {
1321 val |= BNX2_EMAC_MODE_PORT_GMII;
1322 }
1323
1324 /* Set the MAC to operate in the appropriate duplex mode. */
1325 if (bp->duplex == DUPLEX_HALF)
1326 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1327 REG_WR(bp, BNX2_EMAC_MODE, val);
1328
1329 /* Enable/disable rx PAUSE. */
1330 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1331
1332 if (bp->flow_ctrl & FLOW_CTRL_RX)
1333 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1334 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1335
1336 /* Enable/disable tx PAUSE. */
1337 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1338 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1339
1340 if (bp->flow_ctrl & FLOW_CTRL_TX)
1341 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1342 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1343
1344 /* Acknowledge the interrupt. */
1345 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1346
Michael Chan22fa1592010-10-11 16:12:00 -07001347 bnx2_init_all_rx_contexts(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001348}
1349
Michael Chan27a005b2007-05-03 13:23:41 -07001350static void
1351bnx2_enable_bmsr1(struct bnx2 *bp)
1352{
Michael Chan583c28e2008-01-21 19:51:35 -08001353 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001354 (CHIP_NUM(bp) == CHIP_NUM_5709))
1355 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1356 MII_BNX2_BLK_ADDR_GP_STATUS);
1357}
1358
1359static void
1360bnx2_disable_bmsr1(struct bnx2 *bp)
1361{
Michael Chan583c28e2008-01-21 19:51:35 -08001362 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001363 (CHIP_NUM(bp) == CHIP_NUM_5709))
1364 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1365 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1366}
1367
Michael Chanb6016b72005-05-26 13:03:09 -07001368static int
Michael Chan605a9e22007-05-03 13:23:13 -07001369bnx2_test_and_enable_2g5(struct bnx2 *bp)
1370{
1371 u32 up1;
1372 int ret = 1;
1373
Michael Chan583c28e2008-01-21 19:51:35 -08001374 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001375 return 0;
1376
1377 if (bp->autoneg & AUTONEG_SPEED)
1378 bp->advertising |= ADVERTISED_2500baseX_Full;
1379
Michael Chan27a005b2007-05-03 13:23:41 -07001380 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1381 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1382
Michael Chan605a9e22007-05-03 13:23:13 -07001383 bnx2_read_phy(bp, bp->mii_up1, &up1);
1384 if (!(up1 & BCM5708S_UP1_2G5)) {
1385 up1 |= BCM5708S_UP1_2G5;
1386 bnx2_write_phy(bp, bp->mii_up1, up1);
1387 ret = 0;
1388 }
1389
Michael Chan27a005b2007-05-03 13:23:41 -07001390 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1391 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1392 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1393
Michael Chan605a9e22007-05-03 13:23:13 -07001394 return ret;
1395}
1396
1397static int
1398bnx2_test_and_disable_2g5(struct bnx2 *bp)
1399{
1400 u32 up1;
1401 int ret = 0;
1402
Michael Chan583c28e2008-01-21 19:51:35 -08001403 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001404 return 0;
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 = 1;
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 void
1424bnx2_enable_forced_2g5(struct bnx2 *bp)
1425{
Michael Chancbd68902010-06-08 07:21:30 +00001426 u32 uninitialized_var(bmcr);
1427 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001428
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;
1431
Michael Chan27a005b2007-05-03 13:23:41 -07001432 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1433 u32 val;
1434
1435 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1436 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001437 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1438 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1439 val |= MII_BNX2_SD_MISC1_FORCE |
1440 MII_BNX2_SD_MISC1_FORCE_2_5G;
1441 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1442 }
Michael Chan27a005b2007-05-03 13:23:41 -07001443
1444 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1445 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001446 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001447
1448 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001449 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1450 if (!err)
1451 bmcr |= BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001452 } else {
1453 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001454 }
1455
Michael Chancbd68902010-06-08 07:21:30 +00001456 if (err)
1457 return;
1458
Michael Chan605a9e22007-05-03 13:23:13 -07001459 if (bp->autoneg & AUTONEG_SPEED) {
1460 bmcr &= ~BMCR_ANENABLE;
1461 if (bp->req_duplex == DUPLEX_FULL)
1462 bmcr |= BMCR_FULLDPLX;
1463 }
1464 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1465}
1466
1467static void
1468bnx2_disable_forced_2g5(struct bnx2 *bp)
1469{
Michael Chancbd68902010-06-08 07:21:30 +00001470 u32 uninitialized_var(bmcr);
1471 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001472
Michael Chan583c28e2008-01-21 19:51:35 -08001473 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001474 return;
1475
Michael Chan27a005b2007-05-03 13:23:41 -07001476 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1477 u32 val;
1478
1479 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1480 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001481 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1482 val &= ~MII_BNX2_SD_MISC1_FORCE;
1483 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1484 }
Michael Chan27a005b2007-05-03 13:23:41 -07001485
1486 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1487 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001488 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001489
1490 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001491 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1492 if (!err)
1493 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001494 } else {
1495 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001496 }
1497
Michael Chancbd68902010-06-08 07:21:30 +00001498 if (err)
1499 return;
1500
Michael Chan605a9e22007-05-03 13:23:13 -07001501 if (bp->autoneg & AUTONEG_SPEED)
1502 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1503 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1504}
1505
Michael Chanb2fadea2008-01-21 17:07:06 -08001506static void
1507bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1508{
1509 u32 val;
1510
1511 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1512 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1513 if (start)
1514 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1515 else
1516 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1517}
1518
Michael Chan605a9e22007-05-03 13:23:13 -07001519static int
Michael Chanb6016b72005-05-26 13:03:09 -07001520bnx2_set_link(struct bnx2 *bp)
1521{
1522 u32 bmsr;
1523 u8 link_up;
1524
Michael Chan80be4432006-11-19 14:07:28 -08001525 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001526 bp->link_up = 1;
1527 return 0;
1528 }
1529
Michael Chan583c28e2008-01-21 19:51:35 -08001530 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001531 return 0;
1532
Michael Chanb6016b72005-05-26 13:03:09 -07001533 link_up = bp->link_up;
1534
Michael Chan27a005b2007-05-03 13:23:41 -07001535 bnx2_enable_bmsr1(bp);
1536 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1537 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1538 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001539
Michael Chan583c28e2008-01-21 19:51:35 -08001540 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chanb6016b72005-05-26 13:03:09 -07001541 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001542 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001543
Michael Chan583c28e2008-01-21 19:51:35 -08001544 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001545 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001546 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001547 }
Michael Chanb6016b72005-05-26 13:03:09 -07001548 val = REG_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001549
1550 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1551 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1552 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1553
1554 if ((val & BNX2_EMAC_STATUS_LINK) &&
1555 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001556 bmsr |= BMSR_LSTATUS;
1557 else
1558 bmsr &= ~BMSR_LSTATUS;
1559 }
1560
1561 if (bmsr & BMSR_LSTATUS) {
1562 bp->link_up = 1;
1563
Michael Chan583c28e2008-01-21 19:51:35 -08001564 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001565 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1566 bnx2_5706s_linkup(bp);
1567 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1568 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001569 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1570 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001571 }
1572 else {
1573 bnx2_copper_linkup(bp);
1574 }
1575 bnx2_resolve_flow_ctrl(bp);
1576 }
1577 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001578 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001579 (bp->autoneg & AUTONEG_SPEED))
1580 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001581
Michael Chan583c28e2008-01-21 19:51:35 -08001582 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001583 u32 bmcr;
1584
1585 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1586 bmcr |= BMCR_ANENABLE;
1587 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1588
Michael Chan583c28e2008-01-21 19:51:35 -08001589 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001590 }
Michael Chanb6016b72005-05-26 13:03:09 -07001591 bp->link_up = 0;
1592 }
1593
1594 if (bp->link_up != link_up) {
1595 bnx2_report_link(bp);
1596 }
1597
1598 bnx2_set_mac_link(bp);
1599
1600 return 0;
1601}
1602
1603static int
1604bnx2_reset_phy(struct bnx2 *bp)
1605{
1606 int i;
1607 u32 reg;
1608
Michael Chanca58c3a2007-05-03 13:22:52 -07001609 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001610
1611#define PHY_RESET_MAX_WAIT 100
1612 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1613 udelay(10);
1614
Michael Chanca58c3a2007-05-03 13:22:52 -07001615 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001616 if (!(reg & BMCR_RESET)) {
1617 udelay(20);
1618 break;
1619 }
1620 }
1621 if (i == PHY_RESET_MAX_WAIT) {
1622 return -EBUSY;
1623 }
1624 return 0;
1625}
1626
1627static u32
1628bnx2_phy_get_pause_adv(struct bnx2 *bp)
1629{
1630 u32 adv = 0;
1631
1632 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1633 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1634
Michael Chan583c28e2008-01-21 19:51:35 -08001635 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001636 adv = ADVERTISE_1000XPAUSE;
1637 }
1638 else {
1639 adv = ADVERTISE_PAUSE_CAP;
1640 }
1641 }
1642 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001643 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001644 adv = ADVERTISE_1000XPSE_ASYM;
1645 }
1646 else {
1647 adv = ADVERTISE_PAUSE_ASYM;
1648 }
1649 }
1650 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001651 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001652 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1653 }
1654 else {
1655 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1656 }
1657 }
1658 return adv;
1659}
1660
Michael Chana2f13892008-07-14 22:38:23 -07001661static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
Michael Chan0d8a6572007-07-07 22:49:43 -07001662
Michael Chanb6016b72005-05-26 13:03:09 -07001663static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001664bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001665__releases(&bp->phy_lock)
1666__acquires(&bp->phy_lock)
Michael Chan0d8a6572007-07-07 22:49:43 -07001667{
1668 u32 speed_arg = 0, pause_adv;
1669
1670 pause_adv = bnx2_phy_get_pause_adv(bp);
1671
1672 if (bp->autoneg & AUTONEG_SPEED) {
1673 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1674 if (bp->advertising & ADVERTISED_10baseT_Half)
1675 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1676 if (bp->advertising & ADVERTISED_10baseT_Full)
1677 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1678 if (bp->advertising & ADVERTISED_100baseT_Half)
1679 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1680 if (bp->advertising & ADVERTISED_100baseT_Full)
1681 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1682 if (bp->advertising & ADVERTISED_1000baseT_Full)
1683 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1684 if (bp->advertising & ADVERTISED_2500baseX_Full)
1685 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1686 } else {
1687 if (bp->req_line_speed == SPEED_2500)
1688 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1689 else if (bp->req_line_speed == SPEED_1000)
1690 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1691 else if (bp->req_line_speed == SPEED_100) {
1692 if (bp->req_duplex == DUPLEX_FULL)
1693 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1694 else
1695 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1696 } else if (bp->req_line_speed == SPEED_10) {
1697 if (bp->req_duplex == DUPLEX_FULL)
1698 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1699 else
1700 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1701 }
1702 }
1703
1704 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1705 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001706 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001707 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1708
1709 if (port == PORT_TP)
1710 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1711 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1712
Michael Chan2726d6e2008-01-29 21:35:05 -08001713 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001714
1715 spin_unlock_bh(&bp->phy_lock);
Michael Chana2f13892008-07-14 22:38:23 -07001716 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
Michael Chan0d8a6572007-07-07 22:49:43 -07001717 spin_lock_bh(&bp->phy_lock);
1718
1719 return 0;
1720}
1721
1722static int
1723bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001724__releases(&bp->phy_lock)
1725__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07001726{
Michael Chan605a9e22007-05-03 13:23:13 -07001727 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001728 u32 new_adv = 0;
1729
Michael Chan583c28e2008-01-21 19:51:35 -08001730 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Eric Dumazet807540b2010-09-23 05:40:09 +00001731 return bnx2_setup_remote_phy(bp, port);
Michael Chan0d8a6572007-07-07 22:49:43 -07001732
Michael Chanb6016b72005-05-26 13:03:09 -07001733 if (!(bp->autoneg & AUTONEG_SPEED)) {
1734 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001735 int force_link_down = 0;
1736
Michael Chan605a9e22007-05-03 13:23:13 -07001737 if (bp->req_line_speed == SPEED_2500) {
1738 if (!bnx2_test_and_enable_2g5(bp))
1739 force_link_down = 1;
1740 } else if (bp->req_line_speed == SPEED_1000) {
1741 if (bnx2_test_and_disable_2g5(bp))
1742 force_link_down = 1;
1743 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001744 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001745 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1746
Michael Chanca58c3a2007-05-03 13:22:52 -07001747 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001748 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001749 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001750
Michael Chan27a005b2007-05-03 13:23:41 -07001751 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1752 if (bp->req_line_speed == SPEED_2500)
1753 bnx2_enable_forced_2g5(bp);
1754 else if (bp->req_line_speed == SPEED_1000) {
1755 bnx2_disable_forced_2g5(bp);
1756 new_bmcr &= ~0x2000;
1757 }
1758
1759 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001760 if (bp->req_line_speed == SPEED_2500)
1761 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1762 else
1763 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001764 }
1765
Michael Chanb6016b72005-05-26 13:03:09 -07001766 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001767 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001768 new_bmcr |= BMCR_FULLDPLX;
1769 }
1770 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001771 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001772 new_bmcr &= ~BMCR_FULLDPLX;
1773 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001774 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001775 /* Force a link down visible on the other side */
1776 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001777 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001778 ~(ADVERTISE_1000XFULL |
1779 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001780 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001781 BMCR_ANRESTART | BMCR_ANENABLE);
1782
1783 bp->link_up = 0;
1784 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001785 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001786 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001787 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001788 bnx2_write_phy(bp, bp->mii_adv, adv);
1789 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001790 } else {
1791 bnx2_resolve_flow_ctrl(bp);
1792 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001793 }
1794 return 0;
1795 }
1796
Michael Chan605a9e22007-05-03 13:23:13 -07001797 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001798
Michael Chanb6016b72005-05-26 13:03:09 -07001799 if (bp->advertising & ADVERTISED_1000baseT_Full)
1800 new_adv |= ADVERTISE_1000XFULL;
1801
1802 new_adv |= bnx2_phy_get_pause_adv(bp);
1803
Michael Chanca58c3a2007-05-03 13:22:52 -07001804 bnx2_read_phy(bp, bp->mii_adv, &adv);
1805 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001806
1807 bp->serdes_an_pending = 0;
1808 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1809 /* Force a link down visible on the other side */
1810 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001811 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001812 spin_unlock_bh(&bp->phy_lock);
1813 msleep(20);
1814 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001815 }
1816
Michael Chanca58c3a2007-05-03 13:22:52 -07001817 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1818 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001819 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001820 /* Speed up link-up time when the link partner
1821 * does not autonegotiate which is very common
1822 * in blade servers. Some blade servers use
1823 * IPMI for kerboard input and it's important
1824 * to minimize link disruptions. Autoneg. involves
1825 * exchanging base pages plus 3 next pages and
1826 * normally completes in about 120 msec.
1827 */
Michael Chan40105c02008-11-12 16:02:45 -08001828 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08001829 bp->serdes_an_pending = 1;
1830 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001831 } else {
1832 bnx2_resolve_flow_ctrl(bp);
1833 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001834 }
1835
1836 return 0;
1837}
1838
1839#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001840 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001841 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1842 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001843
1844#define ETHTOOL_ALL_COPPER_SPEED \
1845 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1846 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1847 ADVERTISED_1000baseT_Full)
1848
1849#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1850 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001851
Michael Chanb6016b72005-05-26 13:03:09 -07001852#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1853
Michael Chandeaf3912007-07-07 22:48:00 -07001854static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001855bnx2_set_default_remote_link(struct bnx2 *bp)
1856{
1857 u32 link;
1858
1859 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001860 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001861 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001862 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001863
1864 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1865 bp->req_line_speed = 0;
1866 bp->autoneg |= AUTONEG_SPEED;
1867 bp->advertising = ADVERTISED_Autoneg;
1868 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1869 bp->advertising |= ADVERTISED_10baseT_Half;
1870 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1871 bp->advertising |= ADVERTISED_10baseT_Full;
1872 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1873 bp->advertising |= ADVERTISED_100baseT_Half;
1874 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1875 bp->advertising |= ADVERTISED_100baseT_Full;
1876 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1877 bp->advertising |= ADVERTISED_1000baseT_Full;
1878 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1879 bp->advertising |= ADVERTISED_2500baseX_Full;
1880 } else {
1881 bp->autoneg = 0;
1882 bp->advertising = 0;
1883 bp->req_duplex = DUPLEX_FULL;
1884 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1885 bp->req_line_speed = SPEED_10;
1886 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1887 bp->req_duplex = DUPLEX_HALF;
1888 }
1889 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1890 bp->req_line_speed = SPEED_100;
1891 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1892 bp->req_duplex = DUPLEX_HALF;
1893 }
1894 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1895 bp->req_line_speed = SPEED_1000;
1896 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1897 bp->req_line_speed = SPEED_2500;
1898 }
1899}
1900
1901static void
Michael Chandeaf3912007-07-07 22:48:00 -07001902bnx2_set_default_link(struct bnx2 *bp)
1903{
Harvey Harrisonab598592008-05-01 02:47:38 -07001904 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1905 bnx2_set_default_remote_link(bp);
1906 return;
1907 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001908
Michael Chandeaf3912007-07-07 22:48:00 -07001909 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1910 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001911 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001912 u32 reg;
1913
1914 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1915
Michael Chan2726d6e2008-01-29 21:35:05 -08001916 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001917 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1918 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1919 bp->autoneg = 0;
1920 bp->req_line_speed = bp->line_speed = SPEED_1000;
1921 bp->req_duplex = DUPLEX_FULL;
1922 }
1923 } else
1924 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1925}
1926
Michael Chan0d8a6572007-07-07 22:49:43 -07001927static void
Michael Chandf149d72007-07-07 22:51:36 -07001928bnx2_send_heart_beat(struct bnx2 *bp)
1929{
1930 u32 msg;
1931 u32 addr;
1932
1933 spin_lock(&bp->indirect_lock);
1934 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1935 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1936 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1937 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1938 spin_unlock(&bp->indirect_lock);
1939}
1940
1941static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001942bnx2_remote_phy_event(struct bnx2 *bp)
1943{
1944 u32 msg;
1945 u8 link_up = bp->link_up;
1946 u8 old_port;
1947
Michael Chan2726d6e2008-01-29 21:35:05 -08001948 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001949
Michael Chandf149d72007-07-07 22:51:36 -07001950 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1951 bnx2_send_heart_beat(bp);
1952
1953 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1954
Michael Chan0d8a6572007-07-07 22:49:43 -07001955 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1956 bp->link_up = 0;
1957 else {
1958 u32 speed;
1959
1960 bp->link_up = 1;
1961 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1962 bp->duplex = DUPLEX_FULL;
1963 switch (speed) {
1964 case BNX2_LINK_STATUS_10HALF:
1965 bp->duplex = DUPLEX_HALF;
1966 case BNX2_LINK_STATUS_10FULL:
1967 bp->line_speed = SPEED_10;
1968 break;
1969 case BNX2_LINK_STATUS_100HALF:
1970 bp->duplex = DUPLEX_HALF;
1971 case BNX2_LINK_STATUS_100BASE_T4:
1972 case BNX2_LINK_STATUS_100FULL:
1973 bp->line_speed = SPEED_100;
1974 break;
1975 case BNX2_LINK_STATUS_1000HALF:
1976 bp->duplex = DUPLEX_HALF;
1977 case BNX2_LINK_STATUS_1000FULL:
1978 bp->line_speed = SPEED_1000;
1979 break;
1980 case BNX2_LINK_STATUS_2500HALF:
1981 bp->duplex = DUPLEX_HALF;
1982 case BNX2_LINK_STATUS_2500FULL:
1983 bp->line_speed = SPEED_2500;
1984 break;
1985 default:
1986 bp->line_speed = 0;
1987 break;
1988 }
1989
Michael Chan0d8a6572007-07-07 22:49:43 -07001990 bp->flow_ctrl = 0;
1991 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1992 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1993 if (bp->duplex == DUPLEX_FULL)
1994 bp->flow_ctrl = bp->req_flow_ctrl;
1995 } else {
1996 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
1997 bp->flow_ctrl |= FLOW_CTRL_TX;
1998 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
1999 bp->flow_ctrl |= FLOW_CTRL_RX;
2000 }
2001
2002 old_port = bp->phy_port;
2003 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2004 bp->phy_port = PORT_FIBRE;
2005 else
2006 bp->phy_port = PORT_TP;
2007
2008 if (old_port != bp->phy_port)
2009 bnx2_set_default_link(bp);
2010
Michael Chan0d8a6572007-07-07 22:49:43 -07002011 }
2012 if (bp->link_up != link_up)
2013 bnx2_report_link(bp);
2014
2015 bnx2_set_mac_link(bp);
2016}
2017
2018static int
2019bnx2_set_remote_link(struct bnx2 *bp)
2020{
2021 u32 evt_code;
2022
Michael Chan2726d6e2008-01-29 21:35:05 -08002023 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07002024 switch (evt_code) {
2025 case BNX2_FW_EVT_CODE_LINK_EVENT:
2026 bnx2_remote_phy_event(bp);
2027 break;
2028 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2029 default:
Michael Chandf149d72007-07-07 22:51:36 -07002030 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07002031 break;
2032 }
2033 return 0;
2034}
2035
Michael Chanb6016b72005-05-26 13:03:09 -07002036static int
2037bnx2_setup_copper_phy(struct bnx2 *bp)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002038__releases(&bp->phy_lock)
2039__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002040{
2041 u32 bmcr;
2042 u32 new_bmcr;
2043
Michael Chanca58c3a2007-05-03 13:22:52 -07002044 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002045
2046 if (bp->autoneg & AUTONEG_SPEED) {
2047 u32 adv_reg, adv1000_reg;
2048 u32 new_adv_reg = 0;
2049 u32 new_adv1000_reg = 0;
2050
Michael Chanca58c3a2007-05-03 13:22:52 -07002051 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002052 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2053 ADVERTISE_PAUSE_ASYM);
2054
2055 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2056 adv1000_reg &= PHY_ALL_1000_SPEED;
2057
2058 if (bp->advertising & ADVERTISED_10baseT_Half)
2059 new_adv_reg |= ADVERTISE_10HALF;
2060 if (bp->advertising & ADVERTISED_10baseT_Full)
2061 new_adv_reg |= ADVERTISE_10FULL;
2062 if (bp->advertising & ADVERTISED_100baseT_Half)
2063 new_adv_reg |= ADVERTISE_100HALF;
2064 if (bp->advertising & ADVERTISED_100baseT_Full)
2065 new_adv_reg |= ADVERTISE_100FULL;
2066 if (bp->advertising & ADVERTISED_1000baseT_Full)
2067 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002068
Michael Chanb6016b72005-05-26 13:03:09 -07002069 new_adv_reg |= ADVERTISE_CSMA;
2070
2071 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
2072
2073 if ((adv1000_reg != new_adv1000_reg) ||
2074 (adv_reg != new_adv_reg) ||
2075 ((bmcr & BMCR_ANENABLE) == 0)) {
2076
Michael Chanca58c3a2007-05-03 13:22:52 -07002077 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002078 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07002079 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07002080 BMCR_ANENABLE);
2081 }
2082 else if (bp->link_up) {
2083 /* Flow ctrl may have changed from auto to forced */
2084 /* or vice-versa. */
2085
2086 bnx2_resolve_flow_ctrl(bp);
2087 bnx2_set_mac_link(bp);
2088 }
2089 return 0;
2090 }
2091
2092 new_bmcr = 0;
2093 if (bp->req_line_speed == SPEED_100) {
2094 new_bmcr |= BMCR_SPEED100;
2095 }
2096 if (bp->req_duplex == DUPLEX_FULL) {
2097 new_bmcr |= BMCR_FULLDPLX;
2098 }
2099 if (new_bmcr != bmcr) {
2100 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07002101
Michael Chanca58c3a2007-05-03 13:22:52 -07002102 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2103 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002104
Michael Chanb6016b72005-05-26 13:03:09 -07002105 if (bmsr & BMSR_LSTATUS) {
2106 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07002107 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08002108 spin_unlock_bh(&bp->phy_lock);
2109 msleep(50);
2110 spin_lock_bh(&bp->phy_lock);
2111
Michael Chanca58c3a2007-05-03 13:22:52 -07002112 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2113 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07002114 }
2115
Michael Chanca58c3a2007-05-03 13:22:52 -07002116 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002117
2118 /* Normally, the new speed is setup after the link has
2119 * gone down and up again. In some cases, link will not go
2120 * down so we need to set up the new speed here.
2121 */
2122 if (bmsr & BMSR_LSTATUS) {
2123 bp->line_speed = bp->req_line_speed;
2124 bp->duplex = bp->req_duplex;
2125 bnx2_resolve_flow_ctrl(bp);
2126 bnx2_set_mac_link(bp);
2127 }
Michael Chan27a005b2007-05-03 13:23:41 -07002128 } else {
2129 bnx2_resolve_flow_ctrl(bp);
2130 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002131 }
2132 return 0;
2133}
2134
2135static int
Michael Chan0d8a6572007-07-07 22:49:43 -07002136bnx2_setup_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002137__releases(&bp->phy_lock)
2138__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002139{
2140 if (bp->loopback == MAC_LOOPBACK)
2141 return 0;
2142
Michael Chan583c28e2008-01-21 19:51:35 -08002143 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Eric Dumazet807540b2010-09-23 05:40:09 +00002144 return bnx2_setup_serdes_phy(bp, port);
Michael Chanb6016b72005-05-26 13:03:09 -07002145 }
2146 else {
Eric Dumazet807540b2010-09-23 05:40:09 +00002147 return bnx2_setup_copper_phy(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002148 }
2149}
2150
2151static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002152bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07002153{
2154 u32 val;
2155
2156 bp->mii_bmcr = MII_BMCR + 0x10;
2157 bp->mii_bmsr = MII_BMSR + 0x10;
2158 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2159 bp->mii_adv = MII_ADVERTISE + 0x10;
2160 bp->mii_lpa = MII_LPA + 0x10;
2161 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2162
2163 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2164 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2165
2166 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07002167 if (reset_phy)
2168 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002169
2170 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2171
2172 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2173 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2174 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2175 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2176
2177 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2178 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002179 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002180 val |= BCM5708S_UP1_2G5;
2181 else
2182 val &= ~BCM5708S_UP1_2G5;
2183 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2184
2185 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2186 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2187 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2188 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2189
2190 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2191
2192 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2193 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2194 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2195
2196 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2197
2198 return 0;
2199}
2200
2201static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002202bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002203{
2204 u32 val;
2205
Michael Chan9a120bc2008-05-16 22:17:45 -07002206 if (reset_phy)
2207 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002208
2209 bp->mii_up1 = BCM5708S_UP1;
2210
Michael Chan5b0c76a2005-11-04 08:45:49 -08002211 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2212 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2213 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2214
2215 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2216 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2217 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2218
2219 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2220 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2221 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2222
Michael Chan583c28e2008-01-21 19:51:35 -08002223 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002224 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2225 val |= BCM5708S_UP1_2G5;
2226 bnx2_write_phy(bp, BCM5708S_UP1, val);
2227 }
2228
2229 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08002230 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2231 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002232 /* increase tx signal amplitude */
2233 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2234 BCM5708S_BLK_ADDR_TX_MISC);
2235 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2236 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2237 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2238 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2239 }
2240
Michael Chan2726d6e2008-01-29 21:35:05 -08002241 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002242 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2243
2244 if (val) {
2245 u32 is_backplane;
2246
Michael Chan2726d6e2008-01-29 21:35:05 -08002247 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002248 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2249 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2250 BCM5708S_BLK_ADDR_TX_MISC);
2251 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2252 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2253 BCM5708S_BLK_ADDR_DIG);
2254 }
2255 }
2256 return 0;
2257}
2258
2259static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002260bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002261{
Michael Chan9a120bc2008-05-16 22:17:45 -07002262 if (reset_phy)
2263 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002264
Michael Chan583c28e2008-01-21 19:51:35 -08002265 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002266
Michael Chan59b47d82006-11-19 14:10:45 -08002267 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2268 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002269
2270 if (bp->dev->mtu > 1500) {
2271 u32 val;
2272
2273 /* Set extended packet length bit */
2274 bnx2_write_phy(bp, 0x18, 0x7);
2275 bnx2_read_phy(bp, 0x18, &val);
2276 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2277
2278 bnx2_write_phy(bp, 0x1c, 0x6c00);
2279 bnx2_read_phy(bp, 0x1c, &val);
2280 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2281 }
2282 else {
2283 u32 val;
2284
2285 bnx2_write_phy(bp, 0x18, 0x7);
2286 bnx2_read_phy(bp, 0x18, &val);
2287 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2288
2289 bnx2_write_phy(bp, 0x1c, 0x6c00);
2290 bnx2_read_phy(bp, 0x1c, &val);
2291 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2292 }
2293
2294 return 0;
2295}
2296
2297static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002298bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002299{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002300 u32 val;
2301
Michael Chan9a120bc2008-05-16 22:17:45 -07002302 if (reset_phy)
2303 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002304
Michael Chan583c28e2008-01-21 19:51:35 -08002305 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002306 bnx2_write_phy(bp, 0x18, 0x0c00);
2307 bnx2_write_phy(bp, 0x17, 0x000a);
2308 bnx2_write_phy(bp, 0x15, 0x310b);
2309 bnx2_write_phy(bp, 0x17, 0x201f);
2310 bnx2_write_phy(bp, 0x15, 0x9506);
2311 bnx2_write_phy(bp, 0x17, 0x401f);
2312 bnx2_write_phy(bp, 0x15, 0x14e2);
2313 bnx2_write_phy(bp, 0x18, 0x0400);
2314 }
2315
Michael Chan583c28e2008-01-21 19:51:35 -08002316 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002317 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2318 MII_BNX2_DSP_EXPAND_REG | 0x8);
2319 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2320 val &= ~(1 << 8);
2321 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2322 }
2323
Michael Chanb6016b72005-05-26 13:03:09 -07002324 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002325 /* Set extended packet length bit */
2326 bnx2_write_phy(bp, 0x18, 0x7);
2327 bnx2_read_phy(bp, 0x18, &val);
2328 bnx2_write_phy(bp, 0x18, val | 0x4000);
2329
2330 bnx2_read_phy(bp, 0x10, &val);
2331 bnx2_write_phy(bp, 0x10, val | 0x1);
2332 }
2333 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002334 bnx2_write_phy(bp, 0x18, 0x7);
2335 bnx2_read_phy(bp, 0x18, &val);
2336 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2337
2338 bnx2_read_phy(bp, 0x10, &val);
2339 bnx2_write_phy(bp, 0x10, val & ~0x1);
2340 }
2341
Michael Chan5b0c76a2005-11-04 08:45:49 -08002342 /* ethernet@wirespeed */
2343 bnx2_write_phy(bp, 0x18, 0x7007);
2344 bnx2_read_phy(bp, 0x18, &val);
2345 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07002346 return 0;
2347}
2348
2349
2350static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002351bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002352__releases(&bp->phy_lock)
2353__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002354{
2355 u32 val;
2356 int rc = 0;
2357
Michael Chan583c28e2008-01-21 19:51:35 -08002358 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2359 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002360
Michael Chanca58c3a2007-05-03 13:22:52 -07002361 bp->mii_bmcr = MII_BMCR;
2362 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002363 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002364 bp->mii_adv = MII_ADVERTISE;
2365 bp->mii_lpa = MII_LPA;
2366
Michael Chanb6016b72005-05-26 13:03:09 -07002367 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2368
Michael Chan583c28e2008-01-21 19:51:35 -08002369 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002370 goto setup_phy;
2371
Michael Chanb6016b72005-05-26 13:03:09 -07002372 bnx2_read_phy(bp, MII_PHYSID1, &val);
2373 bp->phy_id = val << 16;
2374 bnx2_read_phy(bp, MII_PHYSID2, &val);
2375 bp->phy_id |= val & 0xffff;
2376
Michael Chan583c28e2008-01-21 19:51:35 -08002377 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002378 if (CHIP_NUM(bp) == CHIP_NUM_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002379 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002380 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002381 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan27a005b2007-05-03 13:23:41 -07002382 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002383 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002384 }
2385 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002386 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002387 }
2388
Michael Chan0d8a6572007-07-07 22:49:43 -07002389setup_phy:
2390 if (!rc)
2391 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002392
2393 return rc;
2394}
2395
2396static int
2397bnx2_set_mac_loopback(struct bnx2 *bp)
2398{
2399 u32 mac_mode;
2400
2401 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2402 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2403 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2404 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2405 bp->link_up = 1;
2406 return 0;
2407}
2408
Michael Chanbc5a0692006-01-23 16:13:22 -08002409static int bnx2_test_link(struct bnx2 *);
2410
2411static int
2412bnx2_set_phy_loopback(struct bnx2 *bp)
2413{
2414 u32 mac_mode;
2415 int rc, i;
2416
2417 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002418 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002419 BMCR_SPEED1000);
2420 spin_unlock_bh(&bp->phy_lock);
2421 if (rc)
2422 return rc;
2423
2424 for (i = 0; i < 10; i++) {
2425 if (bnx2_test_link(bp) == 0)
2426 break;
Michael Chan80be4432006-11-19 14:07:28 -08002427 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002428 }
2429
2430 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2431 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2432 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002433 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002434
2435 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2436 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2437 bp->link_up = 1;
2438 return 0;
2439}
2440
Michael Chanb6016b72005-05-26 13:03:09 -07002441static int
Michael Chana2f13892008-07-14 22:38:23 -07002442bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002443{
2444 int i;
2445 u32 val;
2446
Michael Chanb6016b72005-05-26 13:03:09 -07002447 bp->fw_wr_seq++;
2448 msg_data |= bp->fw_wr_seq;
2449
Michael Chan2726d6e2008-01-29 21:35:05 -08002450 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002451
Michael Chana2f13892008-07-14 22:38:23 -07002452 if (!ack)
2453 return 0;
2454
Michael Chanb6016b72005-05-26 13:03:09 -07002455 /* wait for an acknowledgement. */
Michael Chan40105c02008-11-12 16:02:45 -08002456 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
Michael Chanb090ae22006-01-23 16:07:10 -08002457 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002458
Michael Chan2726d6e2008-01-29 21:35:05 -08002459 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002460
2461 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2462 break;
2463 }
Michael Chanb090ae22006-01-23 16:07:10 -08002464 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2465 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002466
2467 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002468 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2469 if (!silent)
Joe Perches3a9c6a42010-02-17 15:01:51 +00002470 pr_err("fw sync timeout, reset code = %x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002471
2472 msg_data &= ~BNX2_DRV_MSG_CODE;
2473 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2474
Michael Chan2726d6e2008-01-29 21:35:05 -08002475 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002476
Michael Chanb6016b72005-05-26 13:03:09 -07002477 return -EBUSY;
2478 }
2479
Michael Chanb090ae22006-01-23 16:07:10 -08002480 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2481 return -EIO;
2482
Michael Chanb6016b72005-05-26 13:03:09 -07002483 return 0;
2484}
2485
Michael Chan59b47d82006-11-19 14:10:45 -08002486static int
2487bnx2_init_5709_context(struct bnx2 *bp)
2488{
2489 int i, ret = 0;
2490 u32 val;
2491
2492 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2493 val |= (BCM_PAGE_BITS - 8) << 16;
2494 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002495 for (i = 0; i < 10; i++) {
2496 val = REG_RD(bp, BNX2_CTX_COMMAND);
2497 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2498 break;
2499 udelay(2);
2500 }
2501 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2502 return -EBUSY;
2503
Michael Chan59b47d82006-11-19 14:10:45 -08002504 for (i = 0; i < bp->ctx_pages; i++) {
2505 int j;
2506
Michael Chan352f7682008-05-02 16:57:26 -07002507 if (bp->ctx_blk[i])
2508 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2509 else
2510 return -ENOMEM;
2511
Michael Chan59b47d82006-11-19 14:10:45 -08002512 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2513 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2514 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2515 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2516 (u64) bp->ctx_blk_mapping[i] >> 32);
2517 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2518 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2519 for (j = 0; j < 10; j++) {
2520
2521 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2522 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2523 break;
2524 udelay(5);
2525 }
2526 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2527 ret = -EBUSY;
2528 break;
2529 }
2530 }
2531 return ret;
2532}
2533
Michael Chanb6016b72005-05-26 13:03:09 -07002534static void
2535bnx2_init_context(struct bnx2 *bp)
2536{
2537 u32 vcid;
2538
2539 vcid = 96;
2540 while (vcid) {
2541 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002542 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002543
2544 vcid--;
2545
2546 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2547 u32 new_vcid;
2548
2549 vcid_addr = GET_PCID_ADDR(vcid);
2550 if (vcid & 0x8) {
2551 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2552 }
2553 else {
2554 new_vcid = vcid;
2555 }
2556 pcid_addr = GET_PCID_ADDR(new_vcid);
2557 }
2558 else {
2559 vcid_addr = GET_CID_ADDR(vcid);
2560 pcid_addr = vcid_addr;
2561 }
2562
Michael Chan7947b202007-06-04 21:17:10 -07002563 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2564 vcid_addr += (i << PHY_CTX_SHIFT);
2565 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002566
Michael Chan5d5d0012007-12-12 11:17:43 -08002567 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002568 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2569
2570 /* Zero out the context. */
2571 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002572 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002573 }
Michael Chanb6016b72005-05-26 13:03:09 -07002574 }
2575}
2576
2577static int
2578bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2579{
2580 u16 *good_mbuf;
2581 u32 good_mbuf_cnt;
2582 u32 val;
2583
2584 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2585 if (good_mbuf == NULL) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00002586 pr_err("Failed to allocate memory in %s\n", __func__);
Michael Chanb6016b72005-05-26 13:03:09 -07002587 return -ENOMEM;
2588 }
2589
2590 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2591 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2592
2593 good_mbuf_cnt = 0;
2594
2595 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002596 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002597 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002598 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2599 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002600
Michael Chan2726d6e2008-01-29 21:35:05 -08002601 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002602
2603 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2604
2605 /* The addresses with Bit 9 set are bad memory blocks. */
2606 if (!(val & (1 << 9))) {
2607 good_mbuf[good_mbuf_cnt] = (u16) val;
2608 good_mbuf_cnt++;
2609 }
2610
Michael Chan2726d6e2008-01-29 21:35:05 -08002611 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002612 }
2613
2614 /* Free the good ones back to the mbuf pool thus discarding
2615 * all the bad ones. */
2616 while (good_mbuf_cnt) {
2617 good_mbuf_cnt--;
2618
2619 val = good_mbuf[good_mbuf_cnt];
2620 val = (val << 9) | val | 1;
2621
Michael Chan2726d6e2008-01-29 21:35:05 -08002622 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002623 }
2624 kfree(good_mbuf);
2625 return 0;
2626}
2627
2628static void
Benjamin Li5fcaed02008-07-14 22:39:52 -07002629bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
Michael Chanb6016b72005-05-26 13:03:09 -07002630{
2631 u32 val;
Michael Chanb6016b72005-05-26 13:03:09 -07002632
2633 val = (mac_addr[0] << 8) | mac_addr[1];
2634
Benjamin Li5fcaed02008-07-14 22:39:52 -07002635 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002636
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002637 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002638 (mac_addr[4] << 8) | mac_addr[5];
2639
Benjamin Li5fcaed02008-07-14 22:39:52 -07002640 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002641}
2642
2643static inline int
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002644bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chan47bf4242007-12-12 11:19:12 -08002645{
2646 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002647 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002648 struct rx_bd *rxbd =
Michael Chanbb4f98a2008-06-19 16:38:19 -07002649 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002650 struct page *page = alloc_page(gfp);
Michael Chan47bf4242007-12-12 11:19:12 -08002651
2652 if (!page)
2653 return -ENOMEM;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002654 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
Michael Chan47bf4242007-12-12 11:19:12 -08002655 PCI_DMA_FROMDEVICE);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002656 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002657 __free_page(page);
2658 return -EIO;
2659 }
2660
Michael Chan47bf4242007-12-12 11:19:12 -08002661 rx_pg->page = page;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002662 dma_unmap_addr_set(rx_pg, mapping, mapping);
Michael Chan47bf4242007-12-12 11:19:12 -08002663 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2664 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2665 return 0;
2666}
2667
2668static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002669bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002670{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002671 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002672 struct page *page = rx_pg->page;
2673
2674 if (!page)
2675 return;
2676
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002677 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
2678 PAGE_SIZE, PCI_DMA_FROMDEVICE);
Michael Chan47bf4242007-12-12 11:19:12 -08002679
2680 __free_page(page);
2681 rx_pg->page = NULL;
2682}
2683
2684static inline int
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002685bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chanb6016b72005-05-26 13:03:09 -07002686{
2687 struct sk_buff *skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002688 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002689 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002690 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002691 unsigned long align;
2692
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002693 skb = __netdev_alloc_skb(bp->dev, bp->rx_buf_size, gfp);
Michael Chanb6016b72005-05-26 13:03:09 -07002694 if (skb == NULL) {
2695 return -ENOMEM;
2696 }
2697
Michael Chan59b47d82006-11-19 14:10:45 -08002698 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2699 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002700
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002701 mapping = dma_map_single(&bp->pdev->dev, skb->data, bp->rx_buf_use_size,
2702 PCI_DMA_FROMDEVICE);
2703 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002704 dev_kfree_skb(skb);
2705 return -EIO;
2706 }
Michael Chanb6016b72005-05-26 13:03:09 -07002707
2708 rx_buf->skb = skb;
Michael Chana33fa662010-05-06 08:58:13 +00002709 rx_buf->desc = (struct l2_fhdr *) skb->data;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002710 dma_unmap_addr_set(rx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07002711
2712 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2713 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2714
Michael Chanbb4f98a2008-06-19 16:38:19 -07002715 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002716
2717 return 0;
2718}
2719
Michael Chanda3e4fb2007-05-03 13:24:23 -07002720static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002721bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002722{
Michael Chan43e80b82008-06-19 16:41:08 -07002723 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002724 u32 new_link_state, old_link_state;
2725 int is_set = 1;
2726
2727 new_link_state = sblk->status_attn_bits & event;
2728 old_link_state = sblk->status_attn_bits_ack & event;
2729 if (new_link_state != old_link_state) {
2730 if (new_link_state)
2731 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2732 else
2733 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2734 } else
2735 is_set = 0;
2736
2737 return is_set;
2738}
2739
Michael Chanb6016b72005-05-26 13:03:09 -07002740static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002741bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002742{
Michael Chan74ecc622008-05-02 16:56:16 -07002743 spin_lock(&bp->phy_lock);
2744
2745 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002746 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002747 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002748 bnx2_set_remote_link(bp);
2749
Michael Chan74ecc622008-05-02 16:56:16 -07002750 spin_unlock(&bp->phy_lock);
2751
Michael Chanb6016b72005-05-26 13:03:09 -07002752}
2753
Michael Chanead72702007-12-20 19:55:39 -08002754static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002755bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002756{
2757 u16 cons;
2758
Michael Chan43e80b82008-06-19 16:41:08 -07002759 /* Tell compiler that status block fields can change. */
2760 barrier();
2761 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002762 barrier();
Michael Chanead72702007-12-20 19:55:39 -08002763 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2764 cons++;
2765 return cons;
2766}
2767
Michael Chan57851d82007-12-20 20:01:44 -08002768static int
2769bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002770{
Michael Chan35e90102008-06-19 16:37:42 -07002771 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002772 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002773 int tx_pkt = 0, index;
2774 struct netdev_queue *txq;
2775
2776 index = (bnapi - bp->bnx2_napi);
2777 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002778
Michael Chan35efa7c2007-12-20 19:56:37 -08002779 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002780 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002781
2782 while (sw_cons != hw_cons) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002783 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002784 struct sk_buff *skb;
2785 int i, last;
2786
2787 sw_ring_cons = TX_RING_IDX(sw_cons);
2788
Michael Chan35e90102008-06-19 16:37:42 -07002789 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002790 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002791
Eric Dumazetd62fda02009-05-12 20:48:02 +00002792 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2793 prefetch(&skb->end);
2794
Michael Chanb6016b72005-05-26 13:03:09 -07002795 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002796 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002797 u16 last_idx, last_ring_idx;
2798
Eric Dumazetd62fda02009-05-12 20:48:02 +00002799 last_idx = sw_cons + tx_buf->nr_frags + 1;
2800 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07002801 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2802 last_idx++;
2803 }
2804 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2805 break;
2806 }
2807 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002808
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002809 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00002810 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002811
2812 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002813 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002814
2815 for (i = 0; i < last; i++) {
2816 sw_cons = NEXT_TX_BD(sw_cons);
Alexander Duycke95524a2009-12-02 16:47:57 +00002817
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002818 dma_unmap_page(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002819 dma_unmap_addr(
Alexander Duycke95524a2009-12-02 16:47:57 +00002820 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2821 mapping),
2822 skb_shinfo(skb)->frags[i].size,
2823 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002824 }
2825
2826 sw_cons = NEXT_TX_BD(sw_cons);
2827
Michael Chan745720e2006-06-29 12:37:41 -07002828 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002829 tx_pkt++;
2830 if (tx_pkt == budget)
2831 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002832
Eric Dumazetd62fda02009-05-12 20:48:02 +00002833 if (hw_cons == sw_cons)
2834 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002835 }
2836
Michael Chan35e90102008-06-19 16:37:42 -07002837 txr->hw_tx_cons = hw_cons;
2838 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002839
Michael Chan2f8af122006-08-15 01:39:10 -07002840 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002841 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002842 * memory barrier, there is a small possibility that bnx2_start_xmit()
2843 * will miss it and cause the queue to be stopped forever.
2844 */
2845 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002846
Benjamin Li706bf242008-07-18 17:55:11 -07002847 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002848 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002849 __netif_tx_lock(txq, smp_processor_id());
2850 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002851 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002852 netif_tx_wake_queue(txq);
2853 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002854 }
Benjamin Li706bf242008-07-18 17:55:11 -07002855
Michael Chan57851d82007-12-20 20:01:44 -08002856 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002857}
2858
Michael Chan1db82f22007-12-12 11:19:35 -08002859static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002860bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002861 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002862{
2863 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2864 struct rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002865 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002866 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002867 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002868
Benjamin Li3d16af82008-10-09 12:26:41 -07002869 cons_rx_pg = &rxr->rx_pg_ring[cons];
2870
2871 /* The caller was unable to allocate a new page to replace the
2872 * last one in the frags array, so we need to recycle that page
2873 * and then free the skb.
2874 */
2875 if (skb) {
2876 struct page *page;
2877 struct skb_shared_info *shinfo;
2878
2879 shinfo = skb_shinfo(skb);
2880 shinfo->nr_frags--;
2881 page = shinfo->frags[shinfo->nr_frags].page;
2882 shinfo->frags[shinfo->nr_frags].page = NULL;
2883
2884 cons_rx_pg->page = page;
2885 dev_kfree_skb(skb);
2886 }
2887
2888 hw_prod = rxr->rx_pg_prod;
2889
Michael Chan1db82f22007-12-12 11:19:35 -08002890 for (i = 0; i < count; i++) {
2891 prod = RX_PG_RING_IDX(hw_prod);
2892
Michael Chanbb4f98a2008-06-19 16:38:19 -07002893 prod_rx_pg = &rxr->rx_pg_ring[prod];
2894 cons_rx_pg = &rxr->rx_pg_ring[cons];
2895 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2896 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002897
Michael Chan1db82f22007-12-12 11:19:35 -08002898 if (prod != cons) {
2899 prod_rx_pg->page = cons_rx_pg->page;
2900 cons_rx_pg->page = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002901 dma_unmap_addr_set(prod_rx_pg, mapping,
2902 dma_unmap_addr(cons_rx_pg, mapping));
Michael Chan1db82f22007-12-12 11:19:35 -08002903
2904 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2905 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2906
2907 }
2908 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2909 hw_prod = NEXT_RX_BD(hw_prod);
2910 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002911 rxr->rx_pg_prod = hw_prod;
2912 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002913}
2914
Michael Chanb6016b72005-05-26 13:03:09 -07002915static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002916bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2917 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002918{
Michael Chan236b6392006-03-20 17:49:02 -08002919 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2920 struct rx_bd *cons_bd, *prod_bd;
2921
Michael Chanbb4f98a2008-06-19 16:38:19 -07002922 cons_rx_buf = &rxr->rx_buf_ring[cons];
2923 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002924
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002925 dma_sync_single_for_device(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002926 dma_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002927 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002928
Michael Chanbb4f98a2008-06-19 16:38:19 -07002929 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002930
2931 prod_rx_buf->skb = skb;
Michael Chana33fa662010-05-06 08:58:13 +00002932 prod_rx_buf->desc = (struct l2_fhdr *) skb->data;
Michael Chan236b6392006-03-20 17:49:02 -08002933
2934 if (cons == prod)
2935 return;
2936
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002937 dma_unmap_addr_set(prod_rx_buf, mapping,
2938 dma_unmap_addr(cons_rx_buf, mapping));
Michael Chanb6016b72005-05-26 13:03:09 -07002939
Michael Chanbb4f98a2008-06-19 16:38:19 -07002940 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2941 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002942 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2943 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002944}
2945
Michael Chan85833c62007-12-12 11:17:01 -08002946static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002947bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002948 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2949 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002950{
2951 int err;
2952 u16 prod = ring_idx & 0xffff;
2953
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002954 err = bnx2_alloc_rx_skb(bp, rxr, prod, GFP_ATOMIC);
Michael Chan85833c62007-12-12 11:17:01 -08002955 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002956 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002957 if (hdr_len) {
2958 unsigned int raw_len = len + 4;
2959 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2960
Michael Chanbb4f98a2008-06-19 16:38:19 -07002961 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002962 }
Michael Chan85833c62007-12-12 11:17:01 -08002963 return err;
2964 }
2965
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002966 skb_reserve(skb, BNX2_RX_OFFSET);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002967 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
Michael Chan85833c62007-12-12 11:17:01 -08002968 PCI_DMA_FROMDEVICE);
2969
Michael Chan1db82f22007-12-12 11:19:35 -08002970 if (hdr_len == 0) {
2971 skb_put(skb, len);
2972 return 0;
2973 } else {
2974 unsigned int i, frag_len, frag_size, pages;
2975 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002976 u16 pg_cons = rxr->rx_pg_cons;
2977 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002978
2979 frag_size = len + 4 - hdr_len;
2980 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2981 skb_put(skb, hdr_len);
2982
2983 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002984 dma_addr_t mapping_old;
2985
Michael Chan1db82f22007-12-12 11:19:35 -08002986 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2987 if (unlikely(frag_len <= 4)) {
2988 unsigned int tail = 4 - frag_len;
2989
Michael Chanbb4f98a2008-06-19 16:38:19 -07002990 rxr->rx_pg_cons = pg_cons;
2991 rxr->rx_pg_prod = pg_prod;
2992 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08002993 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002994 skb->len -= tail;
2995 if (i == 0) {
2996 skb->tail -= tail;
2997 } else {
2998 skb_frag_t *frag =
2999 &skb_shinfo(skb)->frags[i - 1];
3000 frag->size -= tail;
3001 skb->data_len -= tail;
3002 skb->truesize -= tail;
3003 }
3004 return 0;
3005 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003006 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003007
Benjamin Li3d16af82008-10-09 12:26:41 -07003008 /* Don't unmap yet. If we're unable to allocate a new
3009 * page, we need to recycle the page and the DMA addr.
3010 */
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003011 mapping_old = dma_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003012 if (i == pages - 1)
3013 frag_len -= 4;
3014
3015 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3016 rx_pg->page = NULL;
3017
Michael Chanbb4f98a2008-06-19 16:38:19 -07003018 err = bnx2_alloc_rx_page(bp, rxr,
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00003019 RX_PG_RING_IDX(pg_prod),
3020 GFP_ATOMIC);
Michael Chan1db82f22007-12-12 11:19:35 -08003021 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003022 rxr->rx_pg_cons = pg_cons;
3023 rxr->rx_pg_prod = pg_prod;
3024 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003025 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003026 return err;
3027 }
3028
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003029 dma_unmap_page(&bp->pdev->dev, mapping_old,
Benjamin Li3d16af82008-10-09 12:26:41 -07003030 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3031
Michael Chan1db82f22007-12-12 11:19:35 -08003032 frag_size -= frag_len;
3033 skb->data_len += frag_len;
3034 skb->truesize += frag_len;
3035 skb->len += frag_len;
3036
3037 pg_prod = NEXT_RX_BD(pg_prod);
3038 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3039 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003040 rxr->rx_pg_prod = pg_prod;
3041 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003042 }
Michael Chan85833c62007-12-12 11:17:01 -08003043 return 0;
3044}
3045
Michael Chanc09c2622007-12-10 17:18:37 -08003046static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003047bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003048{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003049 u16 cons;
3050
Michael Chan43e80b82008-06-19 16:41:08 -07003051 /* Tell compiler that status block fields can change. */
3052 barrier();
3053 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003054 barrier();
Michael Chanc09c2622007-12-10 17:18:37 -08003055 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3056 cons++;
3057 return cons;
3058}
3059
Michael Chanb6016b72005-05-26 13:03:09 -07003060static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003061bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003062{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003063 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003064 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3065 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003066 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003067
Michael Chan35efa7c2007-12-20 19:56:37 -08003068 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003069 sw_cons = rxr->rx_cons;
3070 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003071
3072 /* Memory barrier necessary as speculative reads of the rx
3073 * buffer can be ahead of the index in the status block
3074 */
3075 rmb();
3076 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003077 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003078 u32 status;
Michael Chana33fa662010-05-06 08:58:13 +00003079 struct sw_bd *rx_buf, *next_rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07003080 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003081 dma_addr_t dma_addr;
Michael Chanb6016b72005-05-26 13:03:09 -07003082
3083 sw_ring_cons = RX_RING_IDX(sw_cons);
3084 sw_ring_prod = RX_RING_IDX(sw_prod);
3085
Michael Chanbb4f98a2008-06-19 16:38:19 -07003086 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07003087 skb = rx_buf->skb;
Michael Chana33fa662010-05-06 08:58:13 +00003088 prefetchw(skb);
Michael Chan236b6392006-03-20 17:49:02 -08003089
FUJITA Tomonoriaabef8b2010-06-17 08:56:05 -07003090 next_rx_buf =
3091 &rxr->rx_buf_ring[RX_RING_IDX(NEXT_RX_BD(sw_cons))];
3092 prefetch(next_rx_buf->desc);
3093
Michael Chan236b6392006-03-20 17:49:02 -08003094 rx_buf->skb = NULL;
3095
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003096 dma_addr = dma_unmap_addr(rx_buf, mapping);
Michael Chan236b6392006-03-20 17:49:02 -08003097
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003098 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003099 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3100 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003101
Michael Chana33fa662010-05-06 08:58:13 +00003102 rx_hdr = rx_buf->desc;
Michael Chan1db82f22007-12-12 11:19:35 -08003103 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003104 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003105
Michael Chan1db82f22007-12-12 11:19:35 -08003106 hdr_len = 0;
3107 if (status & L2_FHDR_STATUS_SPLIT) {
3108 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3109 pg_ring_used = 1;
3110 } else if (len > bp->rx_jumbo_thresh) {
3111 hdr_len = bp->rx_jumbo_thresh;
3112 pg_ring_used = 1;
3113 }
3114
Michael Chan990ec382009-02-12 16:54:13 -08003115 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3116 L2_FHDR_ERRORS_PHY_DECODE |
3117 L2_FHDR_ERRORS_ALIGNMENT |
3118 L2_FHDR_ERRORS_TOO_SHORT |
3119 L2_FHDR_ERRORS_GIANT_FRAME))) {
3120
3121 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3122 sw_ring_prod);
3123 if (pg_ring_used) {
3124 int pages;
3125
3126 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3127
3128 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3129 }
3130 goto next_rx;
3131 }
3132
Michael Chan1db82f22007-12-12 11:19:35 -08003133 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003134
Michael Chan5d5d0012007-12-12 11:17:43 -08003135 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07003136 struct sk_buff *new_skb;
3137
Michael Chanf22828e2008-08-14 15:30:14 -07003138 new_skb = netdev_alloc_skb(bp->dev, len + 6);
Michael Chan85833c62007-12-12 11:17:01 -08003139 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003140 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003141 sw_ring_prod);
3142 goto next_rx;
3143 }
Michael Chanb6016b72005-05-26 13:03:09 -07003144
3145 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07003146 skb_copy_from_linear_data_offset(skb,
Michael Chanf22828e2008-08-14 15:30:14 -07003147 BNX2_RX_OFFSET - 6,
3148 new_skb->data, len + 6);
3149 skb_reserve(new_skb, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07003150 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003151
Michael Chanbb4f98a2008-06-19 16:38:19 -07003152 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07003153 sw_ring_cons, sw_ring_prod);
3154
3155 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003156 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08003157 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07003158 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07003159
Michael Chanf22828e2008-08-14 15:30:14 -07003160 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
Jesse Gross7d0fd212010-10-20 13:56:09 +00003161 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
3162 __vlan_hwaccel_put_tag(skb, rx_hdr->l2_fhdr_vlan_tag);
Michael Chanf22828e2008-08-14 15:30:14 -07003163
Michael Chanb6016b72005-05-26 13:03:09 -07003164 skb->protocol = eth_type_trans(skb, bp->dev);
3165
3166 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07003167 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003168
Michael Chan745720e2006-06-29 12:37:41 -07003169 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003170 goto next_rx;
3171
3172 }
3173
Eric Dumazetbc8acf22010-09-02 13:07:41 -07003174 skb_checksum_none_assert(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003175 if (bp->rx_csum &&
3176 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3177 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3178
Michael Chanade2bfe2006-01-23 16:09:51 -08003179 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3180 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003181 skb->ip_summed = CHECKSUM_UNNECESSARY;
3182 }
Michael Chanfdc85412010-07-03 20:42:16 +00003183 if ((bp->dev->features & NETIF_F_RXHASH) &&
3184 ((status & L2_FHDR_STATUS_USE_RXHASH) ==
3185 L2_FHDR_STATUS_USE_RXHASH))
3186 skb->rxhash = rx_hdr->l2_fhdr_hash;
Michael Chanb6016b72005-05-26 13:03:09 -07003187
David S. Miller0c8dfc82009-01-27 16:22:32 -08003188 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
Jesse Gross7d0fd212010-10-20 13:56:09 +00003189 napi_gro_receive(&bnapi->napi, skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003190 rx_pkt++;
3191
3192next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07003193 sw_cons = NEXT_RX_BD(sw_cons);
3194 sw_prod = NEXT_RX_BD(sw_prod);
3195
3196 if ((rx_pkt == budget))
3197 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003198
3199 /* Refresh hw_cons to see if there is new work */
3200 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003201 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003202 rmb();
3203 }
Michael Chanb6016b72005-05-26 13:03:09 -07003204 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003205 rxr->rx_cons = sw_cons;
3206 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003207
Michael Chan1db82f22007-12-12 11:19:35 -08003208 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07003209 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003210
Michael Chanbb4f98a2008-06-19 16:38:19 -07003211 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003212
Michael Chanbb4f98a2008-06-19 16:38:19 -07003213 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003214
3215 mmiowb();
3216
3217 return rx_pkt;
3218
3219}
3220
3221/* MSI ISR - The only difference between this and the INTx ISR
3222 * is that the MSI interrupt is always serviced.
3223 */
3224static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003225bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003226{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003227 struct bnx2_napi *bnapi = dev_instance;
3228 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003229
Michael Chan43e80b82008-06-19 16:41:08 -07003230 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003231 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3232 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3233 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3234
3235 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003236 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3237 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003238
Ben Hutchings288379f2009-01-19 16:43:59 -08003239 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003240
Michael Chan73eef4c2005-08-25 15:39:15 -07003241 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003242}
3243
3244static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003245bnx2_msi_1shot(int irq, void *dev_instance)
3246{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003247 struct bnx2_napi *bnapi = dev_instance;
3248 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003249
Michael Chan43e80b82008-06-19 16:41:08 -07003250 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003251
3252 /* Return here if interrupt is disabled. */
3253 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3254 return IRQ_HANDLED;
3255
Ben Hutchings288379f2009-01-19 16:43:59 -08003256 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003257
3258 return IRQ_HANDLED;
3259}
3260
3261static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003262bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003263{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003264 struct bnx2_napi *bnapi = dev_instance;
3265 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003266 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003267
3268 /* When using INTx, it is possible for the interrupt to arrive
3269 * at the CPU before the status block posted prior to the
3270 * interrupt. Reading a register will flush the status block.
3271 * When using MSI, the MSI message will always complete after
3272 * the status block write.
3273 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003274 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003275 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3276 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003277 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003278
3279 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3280 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3281 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3282
Michael Chanb8a7ce72007-07-07 22:51:03 -07003283 /* Read back to deassert IRQ immediately to avoid too many
3284 * spurious interrupts.
3285 */
3286 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3287
Michael Chanb6016b72005-05-26 13:03:09 -07003288 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003289 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3290 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003291
Ben Hutchings288379f2009-01-19 16:43:59 -08003292 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003293 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003294 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003295 }
Michael Chanb6016b72005-05-26 13:03:09 -07003296
Michael Chan73eef4c2005-08-25 15:39:15 -07003297 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003298}
3299
Michael Chan43e80b82008-06-19 16:41:08 -07003300static inline int
3301bnx2_has_fast_work(struct bnx2_napi *bnapi)
3302{
3303 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3304 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3305
3306 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3307 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3308 return 1;
3309 return 0;
3310}
3311
Michael Chan0d8a6572007-07-07 22:49:43 -07003312#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3313 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003314
Michael Chanf4e418f2005-11-04 08:53:48 -08003315static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003316bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003317{
Michael Chan43e80b82008-06-19 16:41:08 -07003318 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003319
Michael Chan43e80b82008-06-19 16:41:08 -07003320 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003321 return 1;
3322
Michael Chan4edd4732009-06-08 18:14:42 -07003323#ifdef BCM_CNIC
3324 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3325 return 1;
3326#endif
3327
Michael Chanda3e4fb2007-05-03 13:24:23 -07003328 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3329 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003330 return 1;
3331
3332 return 0;
3333}
3334
Michael Chanefba0182008-12-03 00:36:15 -08003335static void
3336bnx2_chk_missed_msi(struct bnx2 *bp)
3337{
3338 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3339 u32 msi_ctrl;
3340
3341 if (bnx2_has_work(bnapi)) {
3342 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3343 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3344 return;
3345
3346 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3347 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3348 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3349 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3350 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3351 }
3352 }
3353
3354 bp->idle_chk_status_idx = bnapi->last_status_idx;
3355}
3356
Michael Chan4edd4732009-06-08 18:14:42 -07003357#ifdef BCM_CNIC
3358static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3359{
3360 struct cnic_ops *c_ops;
3361
3362 if (!bnapi->cnic_present)
3363 return;
3364
3365 rcu_read_lock();
3366 c_ops = rcu_dereference(bp->cnic_ops);
3367 if (c_ops)
3368 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3369 bnapi->status_blk.msi);
3370 rcu_read_unlock();
3371}
3372#endif
3373
Michael Chan43e80b82008-06-19 16:41:08 -07003374static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003375{
Michael Chan43e80b82008-06-19 16:41:08 -07003376 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003377 u32 status_attn_bits = sblk->status_attn_bits;
3378 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003379
Michael Chanda3e4fb2007-05-03 13:24:23 -07003380 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3381 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003382
Michael Chan35efa7c2007-12-20 19:56:37 -08003383 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003384
3385 /* This is needed to take care of transient status
3386 * during link changes.
3387 */
3388 REG_WR(bp, BNX2_HC_COMMAND,
3389 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3390 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003391 }
Michael Chan43e80b82008-06-19 16:41:08 -07003392}
3393
3394static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3395 int work_done, int budget)
3396{
3397 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3398 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003399
Michael Chan35e90102008-06-19 16:37:42 -07003400 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003401 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003402
Michael Chanbb4f98a2008-06-19 16:38:19 -07003403 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003404 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003405
David S. Miller6f535762007-10-11 18:08:29 -07003406 return work_done;
3407}
Michael Chanf4e418f2005-11-04 08:53:48 -08003408
Michael Chanf0ea2e62008-06-19 16:41:57 -07003409static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3410{
3411 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3412 struct bnx2 *bp = bnapi->bp;
3413 int work_done = 0;
3414 struct status_block_msix *sblk = bnapi->status_blk.msix;
3415
3416 while (1) {
3417 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3418 if (unlikely(work_done >= budget))
3419 break;
3420
3421 bnapi->last_status_idx = sblk->status_idx;
3422 /* status idx must be read before checking for more work. */
3423 rmb();
3424 if (likely(!bnx2_has_fast_work(bnapi))) {
3425
Ben Hutchings288379f2009-01-19 16:43:59 -08003426 napi_complete(napi);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003427 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3428 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3429 bnapi->last_status_idx);
3430 break;
3431 }
3432 }
3433 return work_done;
3434}
3435
David S. Miller6f535762007-10-11 18:08:29 -07003436static int bnx2_poll(struct napi_struct *napi, int budget)
3437{
Michael Chan35efa7c2007-12-20 19:56:37 -08003438 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3439 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003440 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003441 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003442
3443 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003444 bnx2_poll_link(bp, bnapi);
3445
Michael Chan35efa7c2007-12-20 19:56:37 -08003446 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003447
Michael Chan4edd4732009-06-08 18:14:42 -07003448#ifdef BCM_CNIC
3449 bnx2_poll_cnic(bp, bnapi);
3450#endif
3451
Michael Chan35efa7c2007-12-20 19:56:37 -08003452 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003453 * much work has been processed, so we must read it before
3454 * checking for more work.
3455 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003456 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003457
3458 if (unlikely(work_done >= budget))
3459 break;
3460
Michael Chan6dee6422007-10-12 01:40:38 -07003461 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003462 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003463 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003464 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003465 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3466 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003467 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003468 break;
David S. Miller6f535762007-10-11 18:08:29 -07003469 }
3470 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3471 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3472 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003473 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003474
Michael Chan1269a8a2006-01-23 16:11:03 -08003475 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3476 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003477 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003478 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003479 }
Michael Chanb6016b72005-05-26 13:03:09 -07003480 }
3481
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003482 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003483}
3484
Herbert Xu932ff272006-06-09 12:20:56 -07003485/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003486 * from set_multicast.
3487 */
3488static void
3489bnx2_set_rx_mode(struct net_device *dev)
3490{
Michael Chan972ec0d2006-01-23 16:12:43 -08003491 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003492 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003493 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003494 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003495
Michael Chan9f52b562008-10-09 12:21:46 -07003496 if (!netif_running(dev))
3497 return;
3498
Michael Chanc770a652005-08-25 15:38:39 -07003499 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003500
3501 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3502 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3503 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
Jesse Gross7d0fd212010-10-20 13:56:09 +00003504 if (!(dev->features & NETIF_F_HW_VLAN_RX) &&
3505 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003506 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003507 if (dev->flags & IFF_PROMISC) {
3508 /* Promiscuous mode. */
3509 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003510 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3511 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003512 }
3513 else if (dev->flags & IFF_ALLMULTI) {
3514 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3515 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3516 0xffffffff);
3517 }
3518 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3519 }
3520 else {
3521 /* Accept one or more multicast(s). */
Michael Chanb6016b72005-05-26 13:03:09 -07003522 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3523 u32 regidx;
3524 u32 bit;
3525 u32 crc;
3526
3527 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3528
Jiri Pirko22bedad32010-04-01 21:22:57 +00003529 netdev_for_each_mc_addr(ha, dev) {
3530 crc = ether_crc_le(ETH_ALEN, ha->addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003531 bit = crc & 0xff;
3532 regidx = (bit & 0xe0) >> 5;
3533 bit &= 0x1f;
3534 mc_filter[regidx] |= (1 << bit);
3535 }
3536
3537 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3538 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3539 mc_filter[i]);
3540 }
3541
3542 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3543 }
3544
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003545 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003546 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3547 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3548 BNX2_RPM_SORT_USER0_PROM_VLAN;
3549 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003550 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003551 i = 0;
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003552 netdev_for_each_uc_addr(ha, dev) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003553 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003554 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3555 sort_mode |= (1 <<
3556 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003557 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003558 }
3559
3560 }
3561
Michael Chanb6016b72005-05-26 13:03:09 -07003562 if (rx_mode != bp->rx_mode) {
3563 bp->rx_mode = rx_mode;
3564 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3565 }
3566
3567 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3568 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3569 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3570
Michael Chanc770a652005-08-25 15:38:39 -07003571 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003572}
3573
Michael Chan57579f72009-04-04 16:51:14 -07003574static int __devinit
3575check_fw_section(const struct firmware *fw,
3576 const struct bnx2_fw_file_section *section,
3577 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003578{
Michael Chan57579f72009-04-04 16:51:14 -07003579 u32 offset = be32_to_cpu(section->offset);
3580 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003581
Michael Chan57579f72009-04-04 16:51:14 -07003582 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3583 return -EINVAL;
3584 if ((non_empty && len == 0) || len > fw->size - offset ||
3585 len & (alignment - 1))
3586 return -EINVAL;
3587 return 0;
3588}
3589
3590static int __devinit
3591check_mips_fw_entry(const struct firmware *fw,
3592 const struct bnx2_mips_fw_file_entry *entry)
3593{
3594 if (check_fw_section(fw, &entry->text, 4, true) ||
3595 check_fw_section(fw, &entry->data, 4, false) ||
3596 check_fw_section(fw, &entry->rodata, 4, false))
3597 return -EINVAL;
3598 return 0;
3599}
3600
3601static int __devinit
3602bnx2_request_firmware(struct bnx2 *bp)
3603{
3604 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003605 const struct bnx2_mips_fw_file *mips_fw;
3606 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003607 int rc;
3608
3609 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3610 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan078b0732009-08-29 00:02:46 -07003611 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
3612 (CHIP_ID(bp) == CHIP_ID_5709_A1))
3613 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3614 else
3615 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003616 } else {
3617 mips_fw_file = FW_MIPS_FILE_06;
3618 rv2p_fw_file = FW_RV2P_FILE_06;
3619 }
3620
3621 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3622 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003623 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003624 return rc;
3625 }
3626
3627 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3628 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003629 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003630 return rc;
3631 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003632 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3633 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3634 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3635 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3636 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3637 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3638 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3639 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003640 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003641 return -EINVAL;
3642 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003643 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3644 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3645 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003646 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003647 return -EINVAL;
3648 }
3649
3650 return 0;
3651}
3652
3653static u32
3654rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3655{
3656 switch (idx) {
3657 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3658 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3659 rv2p_code |= RV2P_BD_PAGE_SIZE;
3660 break;
3661 }
3662 return rv2p_code;
3663}
3664
3665static int
3666load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3667 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3668{
3669 u32 rv2p_code_len, file_offset;
3670 __be32 *rv2p_code;
3671 int i;
3672 u32 val, cmd, addr;
3673
3674 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3675 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3676
3677 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3678
3679 if (rv2p_proc == RV2P_PROC1) {
3680 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3681 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3682 } else {
3683 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3684 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003685 }
Michael Chanb6016b72005-05-26 13:03:09 -07003686
3687 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chan57579f72009-04-04 16:51:14 -07003688 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003689 rv2p_code++;
Michael Chan57579f72009-04-04 16:51:14 -07003690 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003691 rv2p_code++;
3692
Michael Chan57579f72009-04-04 16:51:14 -07003693 val = (i / 8) | cmd;
3694 REG_WR(bp, addr, val);
3695 }
3696
3697 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3698 for (i = 0; i < 8; i++) {
3699 u32 loc, code;
3700
3701 loc = be32_to_cpu(fw_entry->fixup[i]);
3702 if (loc && ((loc * 4) < rv2p_code_len)) {
3703 code = be32_to_cpu(*(rv2p_code + loc - 1));
3704 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3705 code = be32_to_cpu(*(rv2p_code + loc));
3706 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3707 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3708
3709 val = (loc / 2) | cmd;
3710 REG_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003711 }
3712 }
3713
3714 /* Reset the processor, un-stall is done later. */
3715 if (rv2p_proc == RV2P_PROC1) {
3716 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3717 }
3718 else {
3719 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3720 }
Michael Chan57579f72009-04-04 16:51:14 -07003721
3722 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003723}
3724
Michael Chanaf3ee512006-11-19 14:09:25 -08003725static int
Michael Chan57579f72009-04-04 16:51:14 -07003726load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3727 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003728{
Michael Chan57579f72009-04-04 16:51:14 -07003729 u32 addr, len, file_offset;
3730 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003731 u32 offset;
3732 u32 val;
3733
3734 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003735 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003736 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003737 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3738 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003739
3740 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003741 addr = be32_to_cpu(fw_entry->text.addr);
3742 len = be32_to_cpu(fw_entry->text.len);
3743 file_offset = be32_to_cpu(fw_entry->text.offset);
3744 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3745
3746 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3747 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003748 int j;
3749
Michael Chan57579f72009-04-04 16:51:14 -07003750 for (j = 0; j < (len / 4); j++, offset += 4)
3751 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003752 }
3753
3754 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003755 addr = be32_to_cpu(fw_entry->data.addr);
3756 len = be32_to_cpu(fw_entry->data.len);
3757 file_offset = be32_to_cpu(fw_entry->data.offset);
3758 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3759
3760 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3761 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003762 int j;
3763
Michael Chan57579f72009-04-04 16:51:14 -07003764 for (j = 0; j < (len / 4); j++, offset += 4)
3765 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003766 }
3767
3768 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003769 addr = be32_to_cpu(fw_entry->rodata.addr);
3770 len = be32_to_cpu(fw_entry->rodata.len);
3771 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3772 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3773
3774 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3775 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003776 int j;
3777
Michael Chan57579f72009-04-04 16:51:14 -07003778 for (j = 0; j < (len / 4); j++, offset += 4)
3779 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003780 }
3781
3782 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003783 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003784
3785 val = be32_to_cpu(fw_entry->start_addr);
3786 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003787
3788 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003789 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003790 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003791 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3792 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003793
3794 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003795}
3796
Michael Chanfba9fe92006-06-12 22:21:25 -07003797static int
Michael Chanb6016b72005-05-26 13:03:09 -07003798bnx2_init_cpus(struct bnx2 *bp)
3799{
Michael Chan57579f72009-04-04 16:51:14 -07003800 const struct bnx2_mips_fw_file *mips_fw =
3801 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3802 const struct bnx2_rv2p_fw_file *rv2p_fw =
3803 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3804 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003805
3806 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003807 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3808 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003809
3810 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003811 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003812 if (rc)
3813 goto init_cpu_err;
3814
Michael Chanb6016b72005-05-26 13:03:09 -07003815 /* Initialize the TX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003816 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003817 if (rc)
3818 goto init_cpu_err;
3819
Michael Chanb6016b72005-05-26 13:03:09 -07003820 /* Initialize the TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003821 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
Michael Chanfba9fe92006-06-12 22:21:25 -07003822 if (rc)
3823 goto init_cpu_err;
3824
Michael Chanb6016b72005-05-26 13:03:09 -07003825 /* Initialize the Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003826 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003827 if (rc)
3828 goto init_cpu_err;
3829
Michael Chand43584c2006-11-19 14:14:35 -08003830 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003831 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003832
Michael Chanfba9fe92006-06-12 22:21:25 -07003833init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003834 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003835}
3836
3837static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003838bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003839{
3840 u16 pmcsr;
3841
3842 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3843
3844 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003845 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003846 u32 val;
3847
3848 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3849 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3850 PCI_PM_CTRL_PME_STATUS);
3851
3852 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3853 /* delay required during transition out of D3hot */
3854 msleep(20);
3855
3856 val = REG_RD(bp, BNX2_EMAC_MODE);
3857 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3858 val &= ~BNX2_EMAC_MODE_MPKT;
3859 REG_WR(bp, BNX2_EMAC_MODE, val);
3860
3861 val = REG_RD(bp, BNX2_RPM_CONFIG);
3862 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3863 REG_WR(bp, BNX2_RPM_CONFIG, val);
3864 break;
3865 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003866 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003867 int i;
3868 u32 val, wol_msg;
3869
3870 if (bp->wol) {
3871 u32 advertising;
3872 u8 autoneg;
3873
3874 autoneg = bp->autoneg;
3875 advertising = bp->advertising;
3876
Michael Chan239cd342007-10-17 19:26:15 -07003877 if (bp->phy_port == PORT_TP) {
3878 bp->autoneg = AUTONEG_SPEED;
3879 bp->advertising = ADVERTISED_10baseT_Half |
3880 ADVERTISED_10baseT_Full |
3881 ADVERTISED_100baseT_Half |
3882 ADVERTISED_100baseT_Full |
3883 ADVERTISED_Autoneg;
3884 }
Michael Chanb6016b72005-05-26 13:03:09 -07003885
Michael Chan239cd342007-10-17 19:26:15 -07003886 spin_lock_bh(&bp->phy_lock);
3887 bnx2_setup_phy(bp, bp->phy_port);
3888 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003889
3890 bp->autoneg = autoneg;
3891 bp->advertising = advertising;
3892
Benjamin Li5fcaed02008-07-14 22:39:52 -07003893 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003894
3895 val = REG_RD(bp, BNX2_EMAC_MODE);
3896
3897 /* Enable port mode. */
3898 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003899 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003900 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003901 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003902 if (bp->phy_port == PORT_TP)
3903 val |= BNX2_EMAC_MODE_PORT_MII;
3904 else {
3905 val |= BNX2_EMAC_MODE_PORT_GMII;
3906 if (bp->line_speed == SPEED_2500)
3907 val |= BNX2_EMAC_MODE_25G_MODE;
3908 }
Michael Chanb6016b72005-05-26 13:03:09 -07003909
3910 REG_WR(bp, BNX2_EMAC_MODE, val);
3911
3912 /* receive all multicast */
3913 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3914 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3915 0xffffffff);
3916 }
3917 REG_WR(bp, BNX2_EMAC_RX_MODE,
3918 BNX2_EMAC_RX_MODE_SORT_MODE);
3919
3920 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3921 BNX2_RPM_SORT_USER0_MC_EN;
3922 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3923 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3924 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3925 BNX2_RPM_SORT_USER0_ENA);
3926
3927 /* Need to enable EMAC and RPM for WOL. */
3928 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3929 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3930 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3931 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3932
3933 val = REG_RD(bp, BNX2_RPM_CONFIG);
3934 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3935 REG_WR(bp, BNX2_RPM_CONFIG, val);
3936
3937 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3938 }
3939 else {
3940 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3941 }
3942
David S. Millerf86e82f2008-01-21 17:15:40 -08003943 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chana2f13892008-07-14 22:38:23 -07003944 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3945 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003946
3947 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3948 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3949 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3950
3951 if (bp->wol)
3952 pmcsr |= 3;
3953 }
3954 else {
3955 pmcsr |= 3;
3956 }
3957 if (bp->wol) {
3958 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3959 }
3960 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3961 pmcsr);
3962
3963 /* No more memory access after this point until
3964 * device is brought back to D0.
3965 */
3966 udelay(50);
3967 break;
3968 }
3969 default:
3970 return -EINVAL;
3971 }
3972 return 0;
3973}
3974
3975static int
3976bnx2_acquire_nvram_lock(struct bnx2 *bp)
3977{
3978 u32 val;
3979 int j;
3980
3981 /* Request access to the flash interface. */
3982 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3983 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3984 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3985 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3986 break;
3987
3988 udelay(5);
3989 }
3990
3991 if (j >= NVRAM_TIMEOUT_COUNT)
3992 return -EBUSY;
3993
3994 return 0;
3995}
3996
3997static int
3998bnx2_release_nvram_lock(struct bnx2 *bp)
3999{
4000 int j;
4001 u32 val;
4002
4003 /* Relinquish nvram interface. */
4004 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4005
4006 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4007 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4008 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4009 break;
4010
4011 udelay(5);
4012 }
4013
4014 if (j >= NVRAM_TIMEOUT_COUNT)
4015 return -EBUSY;
4016
4017 return 0;
4018}
4019
4020
4021static int
4022bnx2_enable_nvram_write(struct bnx2 *bp)
4023{
4024 u32 val;
4025
4026 val = REG_RD(bp, BNX2_MISC_CFG);
4027 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4028
Michael Chane30372c2007-07-16 18:26:23 -07004029 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004030 int j;
4031
4032 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4033 REG_WR(bp, BNX2_NVM_COMMAND,
4034 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4035
4036 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4037 udelay(5);
4038
4039 val = REG_RD(bp, BNX2_NVM_COMMAND);
4040 if (val & BNX2_NVM_COMMAND_DONE)
4041 break;
4042 }
4043
4044 if (j >= NVRAM_TIMEOUT_COUNT)
4045 return -EBUSY;
4046 }
4047 return 0;
4048}
4049
4050static void
4051bnx2_disable_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);
4057}
4058
4059
4060static void
4061bnx2_enable_nvram_access(struct bnx2 *bp)
4062{
4063 u32 val;
4064
4065 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4066 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004067 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004068 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4069}
4070
4071static void
4072bnx2_disable_nvram_access(struct bnx2 *bp)
4073{
4074 u32 val;
4075
4076 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4077 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004078 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004079 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4080 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4081}
4082
4083static int
4084bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4085{
4086 u32 cmd;
4087 int j;
4088
Michael Chane30372c2007-07-16 18:26:23 -07004089 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004090 /* Buffered flash, no erase needed */
4091 return 0;
4092
4093 /* Build an erase command */
4094 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4095 BNX2_NVM_COMMAND_DOIT;
4096
4097 /* Need to clear DONE bit separately. */
4098 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4099
4100 /* Address of the NVRAM to read from. */
4101 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4102
4103 /* Issue an erase command. */
4104 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4105
4106 /* Wait for completion. */
4107 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4108 u32 val;
4109
4110 udelay(5);
4111
4112 val = REG_RD(bp, BNX2_NVM_COMMAND);
4113 if (val & BNX2_NVM_COMMAND_DONE)
4114 break;
4115 }
4116
4117 if (j >= NVRAM_TIMEOUT_COUNT)
4118 return -EBUSY;
4119
4120 return 0;
4121}
4122
4123static int
4124bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4125{
4126 u32 cmd;
4127 int j;
4128
4129 /* Build the command word. */
4130 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4131
Michael Chane30372c2007-07-16 18:26:23 -07004132 /* Calculate an offset of a buffered flash, not needed for 5709. */
4133 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004134 offset = ((offset / bp->flash_info->page_size) <<
4135 bp->flash_info->page_bits) +
4136 (offset % bp->flash_info->page_size);
4137 }
4138
4139 /* Need to clear DONE bit separately. */
4140 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4141
4142 /* Address of the NVRAM to read from. */
4143 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4144
4145 /* Issue a read command. */
4146 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4147
4148 /* Wait for completion. */
4149 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4150 u32 val;
4151
4152 udelay(5);
4153
4154 val = REG_RD(bp, BNX2_NVM_COMMAND);
4155 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00004156 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4157 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004158 break;
4159 }
4160 }
4161 if (j >= NVRAM_TIMEOUT_COUNT)
4162 return -EBUSY;
4163
4164 return 0;
4165}
4166
4167
4168static int
4169bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4170{
Al Virob491edd2007-12-22 19:44:51 +00004171 u32 cmd;
4172 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004173 int j;
4174
4175 /* Build the command word. */
4176 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4177
Michael Chane30372c2007-07-16 18:26:23 -07004178 /* Calculate an offset of a buffered flash, not needed for 5709. */
4179 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004180 offset = ((offset / bp->flash_info->page_size) <<
4181 bp->flash_info->page_bits) +
4182 (offset % bp->flash_info->page_size);
4183 }
4184
4185 /* Need to clear DONE bit separately. */
4186 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4187
4188 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004189
4190 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00004191 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004192
4193 /* Address of the NVRAM to write to. */
4194 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4195
4196 /* Issue the write command. */
4197 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4198
4199 /* Wait for completion. */
4200 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4201 udelay(5);
4202
4203 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4204 break;
4205 }
4206 if (j >= NVRAM_TIMEOUT_COUNT)
4207 return -EBUSY;
4208
4209 return 0;
4210}
4211
4212static int
4213bnx2_init_nvram(struct bnx2 *bp)
4214{
4215 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004216 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004217 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004218
Michael Chane30372c2007-07-16 18:26:23 -07004219 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4220 bp->flash_info = &flash_5709;
4221 goto get_flash_size;
4222 }
4223
Michael Chanb6016b72005-05-26 13:03:09 -07004224 /* Determine the selected interface. */
4225 val = REG_RD(bp, BNX2_NVM_CFG1);
4226
Denis Chengff8ac602007-09-02 18:30:18 +08004227 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004228
Michael Chanb6016b72005-05-26 13:03:09 -07004229 if (val & 0x40000000) {
4230
4231 /* Flash interface has been reconfigured */
4232 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004233 j++, flash++) {
4234 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4235 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004236 bp->flash_info = flash;
4237 break;
4238 }
4239 }
4240 }
4241 else {
Michael Chan37137702005-11-04 08:49:17 -08004242 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004243 /* Not yet been reconfigured */
4244
Michael Chan37137702005-11-04 08:49:17 -08004245 if (val & (1 << 23))
4246 mask = FLASH_BACKUP_STRAP_MASK;
4247 else
4248 mask = FLASH_STRAP_MASK;
4249
Michael Chanb6016b72005-05-26 13:03:09 -07004250 for (j = 0, flash = &flash_table[0]; j < entry_count;
4251 j++, flash++) {
4252
Michael Chan37137702005-11-04 08:49:17 -08004253 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004254 bp->flash_info = flash;
4255
4256 /* Request access to the flash interface. */
4257 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4258 return rc;
4259
4260 /* Enable access to flash interface */
4261 bnx2_enable_nvram_access(bp);
4262
4263 /* Reconfigure the flash interface */
4264 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4265 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4266 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4267 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4268
4269 /* Disable access to flash interface */
4270 bnx2_disable_nvram_access(bp);
4271 bnx2_release_nvram_lock(bp);
4272
4273 break;
4274 }
4275 }
4276 } /* if (val & 0x40000000) */
4277
4278 if (j == entry_count) {
4279 bp->flash_info = NULL;
Joe Perches3a9c6a42010-02-17 15:01:51 +00004280 pr_alert("Unknown flash/EEPROM type\n");
Michael Chan1122db72006-01-23 16:11:42 -08004281 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004282 }
4283
Michael Chane30372c2007-07-16 18:26:23 -07004284get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004285 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004286 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4287 if (val)
4288 bp->flash_size = val;
4289 else
4290 bp->flash_size = bp->flash_info->total_size;
4291
Michael Chanb6016b72005-05-26 13:03:09 -07004292 return rc;
4293}
4294
4295static int
4296bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4297 int buf_size)
4298{
4299 int rc = 0;
4300 u32 cmd_flags, offset32, len32, extra;
4301
4302 if (buf_size == 0)
4303 return 0;
4304
4305 /* Request access to the flash interface. */
4306 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4307 return rc;
4308
4309 /* Enable access to flash interface */
4310 bnx2_enable_nvram_access(bp);
4311
4312 len32 = buf_size;
4313 offset32 = offset;
4314 extra = 0;
4315
4316 cmd_flags = 0;
4317
4318 if (offset32 & 3) {
4319 u8 buf[4];
4320 u32 pre_len;
4321
4322 offset32 &= ~3;
4323 pre_len = 4 - (offset & 3);
4324
4325 if (pre_len >= len32) {
4326 pre_len = len32;
4327 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4328 BNX2_NVM_COMMAND_LAST;
4329 }
4330 else {
4331 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4332 }
4333
4334 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4335
4336 if (rc)
4337 return rc;
4338
4339 memcpy(ret_buf, buf + (offset & 3), pre_len);
4340
4341 offset32 += 4;
4342 ret_buf += pre_len;
4343 len32 -= pre_len;
4344 }
4345 if (len32 & 3) {
4346 extra = 4 - (len32 & 3);
4347 len32 = (len32 + 4) & ~3;
4348 }
4349
4350 if (len32 == 4) {
4351 u8 buf[4];
4352
4353 if (cmd_flags)
4354 cmd_flags = BNX2_NVM_COMMAND_LAST;
4355 else
4356 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4357 BNX2_NVM_COMMAND_LAST;
4358
4359 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4360
4361 memcpy(ret_buf, buf, 4 - extra);
4362 }
4363 else if (len32 > 0) {
4364 u8 buf[4];
4365
4366 /* Read the first word. */
4367 if (cmd_flags)
4368 cmd_flags = 0;
4369 else
4370 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4371
4372 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4373
4374 /* Advance to the next dword. */
4375 offset32 += 4;
4376 ret_buf += 4;
4377 len32 -= 4;
4378
4379 while (len32 > 4 && rc == 0) {
4380 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4381
4382 /* Advance to the next dword. */
4383 offset32 += 4;
4384 ret_buf += 4;
4385 len32 -= 4;
4386 }
4387
4388 if (rc)
4389 return rc;
4390
4391 cmd_flags = BNX2_NVM_COMMAND_LAST;
4392 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4393
4394 memcpy(ret_buf, buf, 4 - extra);
4395 }
4396
4397 /* Disable access to flash interface */
4398 bnx2_disable_nvram_access(bp);
4399
4400 bnx2_release_nvram_lock(bp);
4401
4402 return rc;
4403}
4404
4405static int
4406bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4407 int buf_size)
4408{
4409 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004410 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004411 int rc = 0;
4412 int align_start, align_end;
4413
4414 buf = data_buf;
4415 offset32 = offset;
4416 len32 = buf_size;
4417 align_start = align_end = 0;
4418
4419 if ((align_start = (offset32 & 3))) {
4420 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004421 len32 += align_start;
4422 if (len32 < 4)
4423 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004424 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4425 return rc;
4426 }
4427
4428 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004429 align_end = 4 - (len32 & 3);
4430 len32 += align_end;
4431 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4432 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004433 }
4434
4435 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004436 align_buf = kmalloc(len32, GFP_KERNEL);
4437 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004438 return -ENOMEM;
4439 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004440 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004441 }
4442 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004443 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004444 }
Michael Chane6be7632007-01-08 19:56:13 -08004445 memcpy(align_buf + align_start, data_buf, buf_size);
4446 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004447 }
4448
Michael Chane30372c2007-07-16 18:26:23 -07004449 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004450 flash_buffer = kmalloc(264, GFP_KERNEL);
4451 if (flash_buffer == NULL) {
4452 rc = -ENOMEM;
4453 goto nvram_write_end;
4454 }
4455 }
4456
Michael Chanb6016b72005-05-26 13:03:09 -07004457 written = 0;
4458 while ((written < len32) && (rc == 0)) {
4459 u32 page_start, page_end, data_start, data_end;
4460 u32 addr, cmd_flags;
4461 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004462
4463 /* Find the page_start addr */
4464 page_start = offset32 + written;
4465 page_start -= (page_start % bp->flash_info->page_size);
4466 /* Find the page_end addr */
4467 page_end = page_start + bp->flash_info->page_size;
4468 /* Find the data_start addr */
4469 data_start = (written == 0) ? offset32 : page_start;
4470 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004471 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004472 (offset32 + len32) : page_end;
4473
4474 /* Request access to the flash interface. */
4475 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4476 goto nvram_write_end;
4477
4478 /* Enable access to flash interface */
4479 bnx2_enable_nvram_access(bp);
4480
4481 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004482 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004483 int j;
4484
4485 /* Read the whole page into the buffer
4486 * (non-buffer flash only) */
4487 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4488 if (j == (bp->flash_info->page_size - 4)) {
4489 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4490 }
4491 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004492 page_start + j,
4493 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004494 cmd_flags);
4495
4496 if (rc)
4497 goto nvram_write_end;
4498
4499 cmd_flags = 0;
4500 }
4501 }
4502
4503 /* Enable writes to flash interface (unlock write-protect) */
4504 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4505 goto nvram_write_end;
4506
Michael Chanb6016b72005-05-26 13:03:09 -07004507 /* Loop to write back the buffer data from page_start to
4508 * data_start */
4509 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004510 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004511 /* Erase the page */
4512 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4513 goto nvram_write_end;
4514
4515 /* Re-enable the write again for the actual write */
4516 bnx2_enable_nvram_write(bp);
4517
Michael Chanb6016b72005-05-26 13:03:09 -07004518 for (addr = page_start; addr < data_start;
4519 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004520
Michael Chanb6016b72005-05-26 13:03:09 -07004521 rc = bnx2_nvram_write_dword(bp, addr,
4522 &flash_buffer[i], cmd_flags);
4523
4524 if (rc != 0)
4525 goto nvram_write_end;
4526
4527 cmd_flags = 0;
4528 }
4529 }
4530
4531 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004532 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004533 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004534 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004535 (addr == data_end - 4))) {
4536
4537 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4538 }
4539 rc = bnx2_nvram_write_dword(bp, addr, buf,
4540 cmd_flags);
4541
4542 if (rc != 0)
4543 goto nvram_write_end;
4544
4545 cmd_flags = 0;
4546 buf += 4;
4547 }
4548
4549 /* Loop to write back the buffer data from data_end
4550 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004551 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004552 for (addr = data_end; addr < page_end;
4553 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004554
Michael Chanb6016b72005-05-26 13:03:09 -07004555 if (addr == page_end-4) {
4556 cmd_flags = BNX2_NVM_COMMAND_LAST;
4557 }
4558 rc = bnx2_nvram_write_dword(bp, addr,
4559 &flash_buffer[i], cmd_flags);
4560
4561 if (rc != 0)
4562 goto nvram_write_end;
4563
4564 cmd_flags = 0;
4565 }
4566 }
4567
4568 /* Disable writes to flash interface (lock write-protect) */
4569 bnx2_disable_nvram_write(bp);
4570
4571 /* Disable access to flash interface */
4572 bnx2_disable_nvram_access(bp);
4573 bnx2_release_nvram_lock(bp);
4574
4575 /* Increment written */
4576 written += data_end - data_start;
4577 }
4578
4579nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004580 kfree(flash_buffer);
4581 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004582 return rc;
4583}
4584
Michael Chan0d8a6572007-07-07 22:49:43 -07004585static void
Michael Chan7c62e832008-07-14 22:39:03 -07004586bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004587{
Michael Chan7c62e832008-07-14 22:39:03 -07004588 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004589
Michael Chan583c28e2008-01-21 19:51:35 -08004590 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004591 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4592
4593 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4594 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004595
Michael Chan2726d6e2008-01-29 21:35:05 -08004596 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004597 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4598 return;
4599
Michael Chan7c62e832008-07-14 22:39:03 -07004600 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4601 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4602 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4603 }
4604
4605 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4606 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4607 u32 link;
4608
Michael Chan583c28e2008-01-21 19:51:35 -08004609 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004610
Michael Chan7c62e832008-07-14 22:39:03 -07004611 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4612 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004613 bp->phy_port = PORT_FIBRE;
4614 else
4615 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004616
Michael Chan7c62e832008-07-14 22:39:03 -07004617 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4618 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004619 }
Michael Chan7c62e832008-07-14 22:39:03 -07004620
4621 if (netif_running(bp->dev) && sig)
4622 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004623}
4624
Michael Chanb4b36042007-12-20 19:59:30 -08004625static void
4626bnx2_setup_msix_tbl(struct bnx2 *bp)
4627{
4628 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4629
4630 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4631 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4632}
4633
Michael Chanb6016b72005-05-26 13:03:09 -07004634static int
4635bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4636{
4637 u32 val;
4638 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004639 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004640
4641 /* Wait for the current PCI transaction to complete before
4642 * issuing a reset. */
Eddie Waia5dac102010-11-24 13:48:54 +00004643 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
4644 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
4645 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4646 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4647 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4648 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4649 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4650 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4651 udelay(5);
4652 } else { /* 5709 */
4653 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4654 val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4655 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4656 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4657
4658 for (i = 0; i < 100; i++) {
4659 msleep(1);
4660 val = REG_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
4661 if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
4662 break;
4663 }
4664 }
Michael Chanb6016b72005-05-26 13:03:09 -07004665
Michael Chanb090ae22006-01-23 16:07:10 -08004666 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004667 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004668
Michael Chanb6016b72005-05-26 13:03:09 -07004669 /* Deposit a driver reset signature so the firmware knows that
4670 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004671 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4672 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004673
Michael Chanb6016b72005-05-26 13:03:09 -07004674 /* Do a dummy read to force the chip to complete all current transaction
4675 * before we issue a reset. */
4676 val = REG_RD(bp, BNX2_MISC_ID);
4677
Michael Chan234754d2006-11-19 14:11:41 -08004678 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4679 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4680 REG_RD(bp, BNX2_MISC_COMMAND);
4681 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004682
Michael Chan234754d2006-11-19 14:11:41 -08004683 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4684 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004685
Michael Chanbe7ff1a2010-11-24 13:48:55 +00004686 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004687
Michael Chan234754d2006-11-19 14:11:41 -08004688 } else {
4689 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4690 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4691 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4692
4693 /* Chip reset. */
4694 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4695
Michael Chan594a9df2007-08-28 15:39:42 -07004696 /* Reading back any register after chip reset will hang the
4697 * bus on 5706 A0 and A1. The msleep below provides plenty
4698 * of margin for write posting.
4699 */
Michael Chan234754d2006-11-19 14:11:41 -08004700 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004701 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4702 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004703
Michael Chan234754d2006-11-19 14:11:41 -08004704 /* Reset takes approximate 30 usec */
4705 for (i = 0; i < 10; i++) {
4706 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4707 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4708 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4709 break;
4710 udelay(10);
4711 }
4712
4713 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4714 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004715 pr_err("Chip reset did not complete\n");
Michael Chan234754d2006-11-19 14:11:41 -08004716 return -EBUSY;
4717 }
Michael Chanb6016b72005-05-26 13:03:09 -07004718 }
4719
4720 /* Make sure byte swapping is properly configured. */
4721 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4722 if (val != 0x01020304) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004723 pr_err("Chip not in correct endian mode\n");
Michael Chanb6016b72005-05-26 13:03:09 -07004724 return -ENODEV;
4725 }
4726
Michael Chanb6016b72005-05-26 13:03:09 -07004727 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004728 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004729 if (rc)
4730 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004731
Michael Chan0d8a6572007-07-07 22:49:43 -07004732 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004733 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004734 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004735 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4736 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004737 bnx2_set_default_remote_link(bp);
4738 spin_unlock_bh(&bp->phy_lock);
4739
Michael Chanb6016b72005-05-26 13:03:09 -07004740 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4741 /* Adjust the voltage regular to two steps lower. The default
4742 * of this register is 0x0000000e. */
4743 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4744
4745 /* Remove bad rbuf memory from the free pool. */
4746 rc = bnx2_alloc_bad_rbuf(bp);
4747 }
4748
Michael Chanc441b8d2010-04-27 11:28:09 +00004749 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanb4b36042007-12-20 19:59:30 -08004750 bnx2_setup_msix_tbl(bp);
Michael Chanc441b8d2010-04-27 11:28:09 +00004751 /* Prevent MSIX table reads and write from timing out */
4752 REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
4753 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4754 }
Michael Chanb4b36042007-12-20 19:59:30 -08004755
Michael Chanb6016b72005-05-26 13:03:09 -07004756 return rc;
4757}
4758
4759static int
4760bnx2_init_chip(struct bnx2 *bp)
4761{
Michael Chand8026d92008-11-12 16:02:20 -08004762 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004763 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004764
4765 /* Make sure the interrupt is not active. */
4766 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4767
4768 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4769 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4770#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004771 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004772#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004773 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004774 DMA_READ_CHANS << 12 |
4775 DMA_WRITE_CHANS << 16;
4776
4777 val |= (0x2 << 20) | (1 << 11);
4778
David S. Millerf86e82f2008-01-21 17:15:40 -08004779 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004780 val |= (1 << 23);
4781
4782 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004783 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004784 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4785
4786 REG_WR(bp, BNX2_DMA_CONFIG, val);
4787
4788 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4789 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4790 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4791 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4792 }
4793
David S. Millerf86e82f2008-01-21 17:15:40 -08004794 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004795 u16 val16;
4796
4797 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4798 &val16);
4799 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4800 val16 & ~PCI_X_CMD_ERO);
4801 }
4802
4803 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4804 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4805 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4806 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4807
4808 /* Initialize context mapping and zero out the quick contexts. The
4809 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004810 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4811 rc = bnx2_init_5709_context(bp);
4812 if (rc)
4813 return rc;
4814 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004815 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004816
Michael Chanfba9fe92006-06-12 22:21:25 -07004817 if ((rc = bnx2_init_cpus(bp)) != 0)
4818 return rc;
4819
Michael Chanb6016b72005-05-26 13:03:09 -07004820 bnx2_init_nvram(bp);
4821
Benjamin Li5fcaed02008-07-14 22:39:52 -07004822 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004823
4824 val = REG_RD(bp, BNX2_MQ_CONFIG);
4825 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4826 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4edd4732009-06-08 18:14:42 -07004827 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4828 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4829 if (CHIP_REV(bp) == CHIP_REV_Ax)
4830 val |= BNX2_MQ_CONFIG_HALT_DIS;
4831 }
Michael Chan68c9f752007-04-24 15:35:53 -07004832
Michael Chanb6016b72005-05-26 13:03:09 -07004833 REG_WR(bp, BNX2_MQ_CONFIG, val);
4834
4835 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4836 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4837 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4838
4839 val = (BCM_PAGE_BITS - 8) << 24;
4840 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4841
4842 /* Configure page size. */
4843 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4844 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4845 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4846 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4847
4848 val = bp->mac_addr[0] +
4849 (bp->mac_addr[1] << 8) +
4850 (bp->mac_addr[2] << 16) +
4851 bp->mac_addr[3] +
4852 (bp->mac_addr[4] << 8) +
4853 (bp->mac_addr[5] << 16);
4854 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4855
4856 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004857 mtu = bp->dev->mtu;
4858 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004859 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4860 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4861 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4862
Michael Chand8026d92008-11-12 16:02:20 -08004863 if (mtu < 1500)
4864 mtu = 1500;
4865
4866 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4867 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4868 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4869
Michael Chan155d5562009-08-21 16:20:43 +00004870 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004871 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4872 bp->bnx2_napi[i].last_status_idx = 0;
4873
Michael Chanefba0182008-12-03 00:36:15 -08004874 bp->idle_chk_status_idx = 0xffff;
4875
Michael Chanb6016b72005-05-26 13:03:09 -07004876 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4877
4878 /* Set up how to generate a link change interrupt. */
4879 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4880
4881 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4882 (u64) bp->status_blk_mapping & 0xffffffff);
4883 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4884
4885 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4886 (u64) bp->stats_blk_mapping & 0xffffffff);
4887 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4888 (u64) bp->stats_blk_mapping >> 32);
4889
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004890 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004891 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4892
4893 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4894 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4895
4896 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4897 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4898
4899 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4900
4901 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4902
4903 REG_WR(bp, BNX2_HC_COM_TICKS,
4904 (bp->com_ticks_int << 16) | bp->com_ticks);
4905
4906 REG_WR(bp, BNX2_HC_CMD_TICKS,
4907 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4908
Michael Chan61d9e3f2009-08-21 16:20:46 +00004909 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chan02537b062007-06-04 21:24:07 -07004910 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4911 else
Michael Chan7ea69202007-07-16 18:27:10 -07004912 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004913 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4914
4915 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004916 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004917 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004918 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4919 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004920 }
4921
Michael Chanefde73a2010-02-15 19:42:07 +00004922 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004923 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4924 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4925
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004926 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4927 }
4928
4929 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00004930 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004931
4932 REG_WR(bp, BNX2_HC_CONFIG, val);
4933
Michael Chan22fa1592010-10-11 16:12:00 -07004934 if (bp->rx_ticks < 25)
4935 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
4936 else
4937 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
4938
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004939 for (i = 1; i < bp->irq_nvecs; i++) {
4940 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4941 BNX2_HC_SB_CONFIG_1;
4942
Michael Chan6f743ca2008-01-29 21:34:08 -08004943 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004944 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004945 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004946 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4947
Michael Chan6f743ca2008-01-29 21:34:08 -08004948 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004949 (bp->tx_quick_cons_trip_int << 16) |
4950 bp->tx_quick_cons_trip);
4951
Michael Chan6f743ca2008-01-29 21:34:08 -08004952 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004953 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4954
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004955 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4956 (bp->rx_quick_cons_trip_int << 16) |
4957 bp->rx_quick_cons_trip);
4958
4959 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4960 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004961 }
4962
Michael Chanb6016b72005-05-26 13:03:09 -07004963 /* Clear internal stats counters. */
4964 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4965
Michael Chanda3e4fb2007-05-03 13:24:23 -07004966 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004967
4968 /* Initialize the receive filter. */
4969 bnx2_set_rx_mode(bp->dev);
4970
Michael Chan0aa38df2007-06-04 21:23:06 -07004971 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4972 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4973 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4974 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4975 }
Michael Chanb090ae22006-01-23 16:07:10 -08004976 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07004977 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004978
Michael Chandf149d72007-07-07 22:51:36 -07004979 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004980 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4981
4982 udelay(20);
4983
Michael Chanbf5295b2006-03-23 01:11:56 -08004984 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4985
Michael Chanb090ae22006-01-23 16:07:10 -08004986 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004987}
4988
Michael Chan59b47d82006-11-19 14:10:45 -08004989static void
Michael Chanc76c0472007-12-20 20:01:19 -08004990bnx2_clear_ring_states(struct bnx2 *bp)
4991{
4992 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07004993 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004994 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08004995 int i;
4996
4997 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
4998 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07004999 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005000 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005001
Michael Chan35e90102008-06-19 16:37:42 -07005002 txr->tx_cons = 0;
5003 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005004 rxr->rx_prod_bseq = 0;
5005 rxr->rx_prod = 0;
5006 rxr->rx_cons = 0;
5007 rxr->rx_pg_prod = 0;
5008 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005009 }
5010}
5011
5012static void
Michael Chan35e90102008-06-19 16:37:42 -07005013bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005014{
5015 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005016 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005017
5018 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5019 offset0 = BNX2_L2CTX_TYPE_XI;
5020 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5021 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5022 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5023 } else {
5024 offset0 = BNX2_L2CTX_TYPE;
5025 offset1 = BNX2_L2CTX_CMD_TYPE;
5026 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5027 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5028 }
5029 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005030 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005031
5032 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005033 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005034
Michael Chan35e90102008-06-19 16:37:42 -07005035 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005036 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005037
Michael Chan35e90102008-06-19 16:37:42 -07005038 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005039 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005040}
Michael Chanb6016b72005-05-26 13:03:09 -07005041
5042static void
Michael Chan35e90102008-06-19 16:37:42 -07005043bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005044{
5045 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005046 u32 cid = TX_CID;
5047 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005048 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005049
Michael Chan35e90102008-06-19 16:37:42 -07005050 bnapi = &bp->bnx2_napi[ring_num];
5051 txr = &bnapi->tx_ring;
5052
5053 if (ring_num == 0)
5054 cid = TX_CID;
5055 else
5056 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005057
Michael Chan2f8af122006-08-15 01:39:10 -07005058 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5059
Michael Chan35e90102008-06-19 16:37:42 -07005060 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005061
Michael Chan35e90102008-06-19 16:37:42 -07005062 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5063 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005064
Michael Chan35e90102008-06-19 16:37:42 -07005065 txr->tx_prod = 0;
5066 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005067
Michael Chan35e90102008-06-19 16:37:42 -07005068 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5069 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005070
Michael Chan35e90102008-06-19 16:37:42 -07005071 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005072}
5073
5074static void
Michael Chan5d5d0012007-12-12 11:17:43 -08005075bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5076 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005077{
Michael Chanb6016b72005-05-26 13:03:09 -07005078 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08005079 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005080
Michael Chan5d5d0012007-12-12 11:17:43 -08005081 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005082 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005083
Michael Chan5d5d0012007-12-12 11:17:43 -08005084 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08005085 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005086 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005087 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5088 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005089 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005090 j = 0;
5091 else
5092 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005093 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5094 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005095 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005096}
5097
5098static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005099bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005100{
5101 int i;
5102 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005103 u32 cid, rx_cid_addr, val;
5104 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5105 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005106
Michael Chanbb4f98a2008-06-19 16:38:19 -07005107 if (ring_num == 0)
5108 cid = RX_CID;
5109 else
5110 cid = RX_RSS_CID + ring_num - 1;
5111
5112 rx_cid_addr = GET_CID_ADDR(cid);
5113
5114 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005115 bp->rx_buf_use_size, bp->rx_max_ring);
5116
Michael Chanbb4f98a2008-06-19 16:38:19 -07005117 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005118
5119 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5120 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5121 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5122 }
5123
Michael Chan62a83132008-01-29 21:35:40 -08005124 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005125 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005126 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5127 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005128 PAGE_SIZE, bp->rx_max_pg_ring);
5129 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005130 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5131 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005132 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005133
Michael Chanbb4f98a2008-06-19 16:38:19 -07005134 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005135 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005136
Michael Chanbb4f98a2008-06-19 16:38:19 -07005137 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005138 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005139
5140 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5141 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5142 }
Michael Chanb6016b72005-05-26 13:03:09 -07005143
Michael Chanbb4f98a2008-06-19 16:38:19 -07005144 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005145 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005146
Michael Chanbb4f98a2008-06-19 16:38:19 -07005147 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005148 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005149
Michael Chanbb4f98a2008-06-19 16:38:19 -07005150 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005151 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00005152 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005153 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5154 ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005155 break;
Michael Chanb929e532009-12-03 09:46:33 +00005156 }
Michael Chan47bf4242007-12-12 11:19:12 -08005157 prod = NEXT_RX_BD(prod);
5158 ring_prod = RX_PG_RING_IDX(prod);
5159 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005160 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005161
Michael Chanbb4f98a2008-06-19 16:38:19 -07005162 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005163 for (i = 0; i < bp->rx_ring_size; i++) {
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00005164 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005165 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5166 ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005167 break;
Michael Chanb929e532009-12-03 09:46:33 +00005168 }
Michael Chanb6016b72005-05-26 13:03:09 -07005169 prod = NEXT_RX_BD(prod);
5170 ring_prod = RX_RING_IDX(prod);
5171 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005172 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005173
Michael Chanbb4f98a2008-06-19 16:38:19 -07005174 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5175 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5176 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005177
Michael Chanbb4f98a2008-06-19 16:38:19 -07005178 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5179 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5180
5181 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005182}
5183
Michael Chan35e90102008-06-19 16:37:42 -07005184static void
5185bnx2_init_all_rings(struct bnx2 *bp)
5186{
5187 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005188 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005189
5190 bnx2_clear_ring_states(bp);
5191
5192 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5193 for (i = 0; i < bp->num_tx_rings; i++)
5194 bnx2_init_tx_ring(bp, i);
5195
5196 if (bp->num_tx_rings > 1)
5197 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5198 (TX_TSS_CID << 7));
5199
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005200 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5201 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5202
Michael Chanbb4f98a2008-06-19 16:38:19 -07005203 for (i = 0; i < bp->num_rx_rings; i++)
5204 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005205
5206 if (bp->num_rx_rings > 1) {
Michael Chan22fa1592010-10-11 16:12:00 -07005207 u32 tbl_32 = 0;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005208
5209 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
Michael Chan22fa1592010-10-11 16:12:00 -07005210 int shift = (i % 8) << 2;
5211
5212 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
5213 if ((i % 8) == 7) {
5214 REG_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
5215 REG_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
5216 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
5217 BNX2_RLUP_RSS_COMMAND_WRITE |
5218 BNX2_RLUP_RSS_COMMAND_HASH_MASK);
5219 tbl_32 = 0;
5220 }
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005221 }
5222
5223 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5224 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5225
5226 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5227
5228 }
Michael Chan35e90102008-06-19 16:37:42 -07005229}
5230
Michael Chan5d5d0012007-12-12 11:17:43 -08005231static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005232{
Michael Chan5d5d0012007-12-12 11:17:43 -08005233 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005234
Michael Chan5d5d0012007-12-12 11:17:43 -08005235 while (ring_size > MAX_RX_DESC_CNT) {
5236 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005237 num_rings++;
5238 }
5239 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005240 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005241 while ((max & num_rings) == 0)
5242 max >>= 1;
5243
5244 if (num_rings != max)
5245 max <<= 1;
5246
Michael Chan5d5d0012007-12-12 11:17:43 -08005247 return max;
5248}
5249
5250static void
5251bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5252{
Michael Chan84eaa182007-12-12 11:19:57 -08005253 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005254
5255 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005256 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005257
Michael Chan84eaa182007-12-12 11:19:57 -08005258 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5259 sizeof(struct skb_shared_info);
5260
Benjamin Li601d3d12008-05-16 22:19:35 -07005261 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005262 bp->rx_pg_ring_size = 0;
5263 bp->rx_max_pg_ring = 0;
5264 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005265 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005266 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5267
5268 jumbo_size = size * pages;
5269 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5270 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5271
5272 bp->rx_pg_ring_size = jumbo_size;
5273 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5274 MAX_RX_PG_RINGS);
5275 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005276 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005277 bp->rx_copy_thresh = 0;
5278 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005279
5280 bp->rx_buf_use_size = rx_size;
5281 /* hw alignment */
5282 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005283 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005284 bp->rx_ring_size = size;
5285 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08005286 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5287}
5288
5289static void
Michael Chanb6016b72005-05-26 13:03:09 -07005290bnx2_free_tx_skbs(struct bnx2 *bp)
5291{
5292 int i;
5293
Michael Chan35e90102008-06-19 16:37:42 -07005294 for (i = 0; i < bp->num_tx_rings; i++) {
5295 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5296 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5297 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005298
Michael Chan35e90102008-06-19 16:37:42 -07005299 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005300 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005301
Michael Chan35e90102008-06-19 16:37:42 -07005302 for (j = 0; j < TX_DESC_CNT; ) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005303 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005304 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005305 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005306
5307 if (skb == NULL) {
5308 j++;
5309 continue;
5310 }
5311
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005312 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005313 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005314 skb_headlen(skb),
5315 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005316
Michael Chan35e90102008-06-19 16:37:42 -07005317 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005318
Alexander Duycke95524a2009-12-02 16:47:57 +00005319 last = tx_buf->nr_frags;
5320 j++;
5321 for (k = 0; k < last; k++, j++) {
5322 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005323 dma_unmap_page(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005324 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005325 skb_shinfo(skb)->frags[k].size,
5326 PCI_DMA_TODEVICE);
5327 }
Michael Chan35e90102008-06-19 16:37:42 -07005328 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005329 }
Michael Chanb6016b72005-05-26 13:03:09 -07005330 }
Michael Chanb6016b72005-05-26 13:03:09 -07005331}
5332
5333static void
5334bnx2_free_rx_skbs(struct bnx2 *bp)
5335{
5336 int i;
5337
Michael Chanbb4f98a2008-06-19 16:38:19 -07005338 for (i = 0; i < bp->num_rx_rings; i++) {
5339 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5340 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5341 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005342
Michael Chanbb4f98a2008-06-19 16:38:19 -07005343 if (rxr->rx_buf_ring == NULL)
5344 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005345
Michael Chanbb4f98a2008-06-19 16:38:19 -07005346 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5347 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5348 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07005349
Michael Chanbb4f98a2008-06-19 16:38:19 -07005350 if (skb == NULL)
5351 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005352
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005353 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005354 dma_unmap_addr(rx_buf, mapping),
Michael Chanbb4f98a2008-06-19 16:38:19 -07005355 bp->rx_buf_use_size,
5356 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005357
Michael Chanbb4f98a2008-06-19 16:38:19 -07005358 rx_buf->skb = NULL;
5359
5360 dev_kfree_skb(skb);
5361 }
5362 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5363 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005364 }
5365}
5366
5367static void
5368bnx2_free_skbs(struct bnx2 *bp)
5369{
5370 bnx2_free_tx_skbs(bp);
5371 bnx2_free_rx_skbs(bp);
5372}
5373
5374static int
5375bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5376{
5377 int rc;
5378
5379 rc = bnx2_reset_chip(bp, reset_code);
5380 bnx2_free_skbs(bp);
5381 if (rc)
5382 return rc;
5383
Michael Chanfba9fe92006-06-12 22:21:25 -07005384 if ((rc = bnx2_init_chip(bp)) != 0)
5385 return rc;
5386
Michael Chan35e90102008-06-19 16:37:42 -07005387 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005388 return 0;
5389}
5390
5391static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005392bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005393{
5394 int rc;
5395
5396 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5397 return rc;
5398
Michael Chan80be4432006-11-19 14:07:28 -08005399 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005400 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005401 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005402 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5403 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005404 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005405 return 0;
5406}
5407
5408static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005409bnx2_shutdown_chip(struct bnx2 *bp)
5410{
5411 u32 reset_code;
5412
5413 if (bp->flags & BNX2_FLAG_NO_WOL)
5414 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5415 else if (bp->wol)
5416 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5417 else
5418 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5419
5420 return bnx2_reset_chip(bp, reset_code);
5421}
5422
5423static int
Michael Chanb6016b72005-05-26 13:03:09 -07005424bnx2_test_registers(struct bnx2 *bp)
5425{
5426 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005427 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005428 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005429 u16 offset;
5430 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005431#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005432 u32 rw_mask;
5433 u32 ro_mask;
5434 } reg_tbl[] = {
5435 { 0x006c, 0, 0x00000000, 0x0000003f },
5436 { 0x0090, 0, 0xffffffff, 0x00000000 },
5437 { 0x0094, 0, 0x00000000, 0x00000000 },
5438
Michael Chan5bae30c2007-05-03 13:18:46 -07005439 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5440 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5441 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5442 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5443 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5444 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5445 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5446 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5447 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005448
Michael Chan5bae30c2007-05-03 13:18:46 -07005449 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5450 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5451 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5452 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5453 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5454 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005455
Michael Chan5bae30c2007-05-03 13:18:46 -07005456 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5457 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5458 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005459
5460 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005461 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005462
5463 { 0x1408, 0, 0x01c00800, 0x00000000 },
5464 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5465 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005466 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005467 { 0x14b0, 0, 0x00000002, 0x00000001 },
5468 { 0x14b8, 0, 0x00000000, 0x00000000 },
5469 { 0x14c0, 0, 0x00000000, 0x00000009 },
5470 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5471 { 0x14cc, 0, 0x00000000, 0x00000001 },
5472 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005473
5474 { 0x1800, 0, 0x00000000, 0x00000001 },
5475 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005476
5477 { 0x2800, 0, 0x00000000, 0x00000001 },
5478 { 0x2804, 0, 0x00000000, 0x00003f01 },
5479 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5480 { 0x2810, 0, 0xffff0000, 0x00000000 },
5481 { 0x2814, 0, 0xffff0000, 0x00000000 },
5482 { 0x2818, 0, 0xffff0000, 0x00000000 },
5483 { 0x281c, 0, 0xffff0000, 0x00000000 },
5484 { 0x2834, 0, 0xffffffff, 0x00000000 },
5485 { 0x2840, 0, 0x00000000, 0xffffffff },
5486 { 0x2844, 0, 0x00000000, 0xffffffff },
5487 { 0x2848, 0, 0xffffffff, 0x00000000 },
5488 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5489
5490 { 0x2c00, 0, 0x00000000, 0x00000011 },
5491 { 0x2c04, 0, 0x00000000, 0x00030007 },
5492
Michael Chanb6016b72005-05-26 13:03:09 -07005493 { 0x3c00, 0, 0x00000000, 0x00000001 },
5494 { 0x3c04, 0, 0x00000000, 0x00070000 },
5495 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5496 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5497 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5498 { 0x3c14, 0, 0x00000000, 0xffffffff },
5499 { 0x3c18, 0, 0x00000000, 0xffffffff },
5500 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5501 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005502
5503 { 0x5004, 0, 0x00000000, 0x0000007f },
5504 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005505
Michael Chanb6016b72005-05-26 13:03:09 -07005506 { 0x5c00, 0, 0x00000000, 0x00000001 },
5507 { 0x5c04, 0, 0x00000000, 0x0003000f },
5508 { 0x5c08, 0, 0x00000003, 0x00000000 },
5509 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5510 { 0x5c10, 0, 0x00000000, 0xffffffff },
5511 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5512 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5513 { 0x5c88, 0, 0x00000000, 0x00077373 },
5514 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5515
5516 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5517 { 0x680c, 0, 0xffffffff, 0x00000000 },
5518 { 0x6810, 0, 0xffffffff, 0x00000000 },
5519 { 0x6814, 0, 0xffffffff, 0x00000000 },
5520 { 0x6818, 0, 0xffffffff, 0x00000000 },
5521 { 0x681c, 0, 0xffffffff, 0x00000000 },
5522 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5523 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5524 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5525 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5526 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5527 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5528 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5529 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5530 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5531 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5532 { 0x684c, 0, 0xffffffff, 0x00000000 },
5533 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5534 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5535 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5536 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5537 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5538 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5539
5540 { 0xffff, 0, 0x00000000, 0x00000000 },
5541 };
5542
5543 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005544 is_5709 = 0;
5545 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5546 is_5709 = 1;
5547
Michael Chanb6016b72005-05-26 13:03:09 -07005548 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5549 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005550 u16 flags = reg_tbl[i].flags;
5551
5552 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5553 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005554
5555 offset = (u32) reg_tbl[i].offset;
5556 rw_mask = reg_tbl[i].rw_mask;
5557 ro_mask = reg_tbl[i].ro_mask;
5558
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005559 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005560
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005561 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005562
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005563 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005564 if ((val & rw_mask) != 0) {
5565 goto reg_test_err;
5566 }
5567
5568 if ((val & ro_mask) != (save_val & ro_mask)) {
5569 goto reg_test_err;
5570 }
5571
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005572 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005573
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005574 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005575 if ((val & rw_mask) != rw_mask) {
5576 goto reg_test_err;
5577 }
5578
5579 if ((val & ro_mask) != (save_val & ro_mask)) {
5580 goto reg_test_err;
5581 }
5582
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005583 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005584 continue;
5585
5586reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005587 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005588 ret = -ENODEV;
5589 break;
5590 }
5591 return ret;
5592}
5593
5594static int
5595bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5596{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005597 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005598 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5599 int i;
5600
5601 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5602 u32 offset;
5603
5604 for (offset = 0; offset < size; offset += 4) {
5605
Michael Chan2726d6e2008-01-29 21:35:05 -08005606 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005607
Michael Chan2726d6e2008-01-29 21:35:05 -08005608 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005609 test_pattern[i]) {
5610 return -ENODEV;
5611 }
5612 }
5613 }
5614 return 0;
5615}
5616
5617static int
5618bnx2_test_memory(struct bnx2 *bp)
5619{
5620 int ret = 0;
5621 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005622 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005623 u32 offset;
5624 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005625 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005626 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005627 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005628 { 0xe0000, 0x4000 },
5629 { 0x120000, 0x4000 },
5630 { 0x1a0000, 0x4000 },
5631 { 0x160000, 0x4000 },
5632 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005633 },
5634 mem_tbl_5709[] = {
5635 { 0x60000, 0x4000 },
5636 { 0xa0000, 0x3000 },
5637 { 0xe0000, 0x4000 },
5638 { 0x120000, 0x4000 },
5639 { 0x1a0000, 0x4000 },
5640 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005641 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005642 struct mem_entry *mem_tbl;
5643
5644 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5645 mem_tbl = mem_tbl_5709;
5646 else
5647 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005648
5649 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5650 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5651 mem_tbl[i].len)) != 0) {
5652 return ret;
5653 }
5654 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005655
Michael Chanb6016b72005-05-26 13:03:09 -07005656 return ret;
5657}
5658
Michael Chanbc5a0692006-01-23 16:13:22 -08005659#define BNX2_MAC_LOOPBACK 0
5660#define BNX2_PHY_LOOPBACK 1
5661
Michael Chanb6016b72005-05-26 13:03:09 -07005662static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005663bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005664{
5665 unsigned int pkt_size, num_pkts, i;
5666 struct sk_buff *skb, *rx_skb;
5667 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005668 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005669 dma_addr_t map;
5670 struct tx_bd *txbd;
5671 struct sw_bd *rx_buf;
5672 struct l2_fhdr *rx_hdr;
5673 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005674 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005675 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005676 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005677
5678 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005679
Michael Chan35e90102008-06-19 16:37:42 -07005680 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005681 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005682 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5683 bp->loopback = MAC_LOOPBACK;
5684 bnx2_set_mac_loopback(bp);
5685 }
5686 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005687 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005688 return 0;
5689
Michael Chan80be4432006-11-19 14:07:28 -08005690 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005691 bnx2_set_phy_loopback(bp);
5692 }
5693 else
5694 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005695
Michael Chan84eaa182007-12-12 11:19:57 -08005696 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005697 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005698 if (!skb)
5699 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005700 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005701 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005702 memset(packet + 6, 0x0, 8);
5703 for (i = 14; i < pkt_size; i++)
5704 packet[i] = (unsigned char) (i & 0xff);
5705
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005706 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
5707 PCI_DMA_TODEVICE);
5708 if (dma_mapping_error(&bp->pdev->dev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005709 dev_kfree_skb(skb);
5710 return -EIO;
5711 }
Michael Chanb6016b72005-05-26 13:03:09 -07005712
Michael Chanbf5295b2006-03-23 01:11:56 -08005713 REG_WR(bp, BNX2_HC_COMMAND,
5714 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5715
Michael Chanb6016b72005-05-26 13:03:09 -07005716 REG_RD(bp, BNX2_HC_COMMAND);
5717
5718 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005719 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005720
Michael Chanb6016b72005-05-26 13:03:09 -07005721 num_pkts = 0;
5722
Michael Chan35e90102008-06-19 16:37:42 -07005723 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005724
5725 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5726 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5727 txbd->tx_bd_mss_nbytes = pkt_size;
5728 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5729
5730 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005731 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5732 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005733
Michael Chan35e90102008-06-19 16:37:42 -07005734 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5735 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005736
5737 udelay(100);
5738
Michael Chanbf5295b2006-03-23 01:11:56 -08005739 REG_WR(bp, BNX2_HC_COMMAND,
5740 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5741
Michael Chanb6016b72005-05-26 13:03:09 -07005742 REG_RD(bp, BNX2_HC_COMMAND);
5743
5744 udelay(5);
5745
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005746 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005747 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005748
Michael Chan35e90102008-06-19 16:37:42 -07005749 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005750 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005751
Michael Chan35efa7c2007-12-20 19:56:37 -08005752 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005753 if (rx_idx != rx_start_idx + num_pkts) {
5754 goto loopback_test_done;
5755 }
5756
Michael Chanbb4f98a2008-06-19 16:38:19 -07005757 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005758 rx_skb = rx_buf->skb;
5759
Michael Chana33fa662010-05-06 08:58:13 +00005760 rx_hdr = rx_buf->desc;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005761 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005762
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005763 dma_sync_single_for_cpu(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005764 dma_unmap_addr(rx_buf, mapping),
Michael Chanb6016b72005-05-26 13:03:09 -07005765 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5766
Michael Chanade2bfe2006-01-23 16:09:51 -08005767 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005768 (L2_FHDR_ERRORS_BAD_CRC |
5769 L2_FHDR_ERRORS_PHY_DECODE |
5770 L2_FHDR_ERRORS_ALIGNMENT |
5771 L2_FHDR_ERRORS_TOO_SHORT |
5772 L2_FHDR_ERRORS_GIANT_FRAME)) {
5773
5774 goto loopback_test_done;
5775 }
5776
5777 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5778 goto loopback_test_done;
5779 }
5780
5781 for (i = 14; i < pkt_size; i++) {
5782 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5783 goto loopback_test_done;
5784 }
5785 }
5786
5787 ret = 0;
5788
5789loopback_test_done:
5790 bp->loopback = 0;
5791 return ret;
5792}
5793
Michael Chanbc5a0692006-01-23 16:13:22 -08005794#define BNX2_MAC_LOOPBACK_FAILED 1
5795#define BNX2_PHY_LOOPBACK_FAILED 2
5796#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5797 BNX2_PHY_LOOPBACK_FAILED)
5798
5799static int
5800bnx2_test_loopback(struct bnx2 *bp)
5801{
5802 int rc = 0;
5803
5804 if (!netif_running(bp->dev))
5805 return BNX2_LOOPBACK_FAILED;
5806
5807 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5808 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005809 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005810 spin_unlock_bh(&bp->phy_lock);
5811 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5812 rc |= BNX2_MAC_LOOPBACK_FAILED;
5813 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5814 rc |= BNX2_PHY_LOOPBACK_FAILED;
5815 return rc;
5816}
5817
Michael Chanb6016b72005-05-26 13:03:09 -07005818#define NVRAM_SIZE 0x200
5819#define CRC32_RESIDUAL 0xdebb20e3
5820
5821static int
5822bnx2_test_nvram(struct bnx2 *bp)
5823{
Al Virob491edd2007-12-22 19:44:51 +00005824 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005825 u8 *data = (u8 *) buf;
5826 int rc = 0;
5827 u32 magic, csum;
5828
5829 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5830 goto test_nvram_done;
5831
5832 magic = be32_to_cpu(buf[0]);
5833 if (magic != 0x669955aa) {
5834 rc = -ENODEV;
5835 goto test_nvram_done;
5836 }
5837
5838 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5839 goto test_nvram_done;
5840
5841 csum = ether_crc_le(0x100, data);
5842 if (csum != CRC32_RESIDUAL) {
5843 rc = -ENODEV;
5844 goto test_nvram_done;
5845 }
5846
5847 csum = ether_crc_le(0x100, data + 0x100);
5848 if (csum != CRC32_RESIDUAL) {
5849 rc = -ENODEV;
5850 }
5851
5852test_nvram_done:
5853 return rc;
5854}
5855
5856static int
5857bnx2_test_link(struct bnx2 *bp)
5858{
5859 u32 bmsr;
5860
Michael Chan9f52b562008-10-09 12:21:46 -07005861 if (!netif_running(bp->dev))
5862 return -ENODEV;
5863
Michael Chan583c28e2008-01-21 19:51:35 -08005864 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005865 if (bp->link_up)
5866 return 0;
5867 return -ENODEV;
5868 }
Michael Chanc770a652005-08-25 15:38:39 -07005869 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005870 bnx2_enable_bmsr1(bp);
5871 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5872 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5873 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005874 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005875
Michael Chanb6016b72005-05-26 13:03:09 -07005876 if (bmsr & BMSR_LSTATUS) {
5877 return 0;
5878 }
5879 return -ENODEV;
5880}
5881
5882static int
5883bnx2_test_intr(struct bnx2 *bp)
5884{
5885 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005886 u16 status_idx;
5887
5888 if (!netif_running(bp->dev))
5889 return -ENODEV;
5890
5891 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5892
5893 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005894 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005895 REG_RD(bp, BNX2_HC_COMMAND);
5896
5897 for (i = 0; i < 10; i++) {
5898 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5899 status_idx) {
5900
5901 break;
5902 }
5903
5904 msleep_interruptible(10);
5905 }
5906 if (i < 10)
5907 return 0;
5908
5909 return -ENODEV;
5910}
5911
Michael Chan38ea3682008-02-23 19:48:57 -08005912/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005913static int
5914bnx2_5706_serdes_has_link(struct bnx2 *bp)
5915{
5916 u32 mode_ctl, an_dbg, exp;
5917
Michael Chan38ea3682008-02-23 19:48:57 -08005918 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5919 return 0;
5920
Michael Chanb2fadea2008-01-21 17:07:06 -08005921 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5922 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5923
5924 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5925 return 0;
5926
5927 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5928 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5929 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5930
Michael Chanf3014c02008-01-29 21:33:03 -08005931 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005932 return 0;
5933
5934 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5935 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5936 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5937
5938 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5939 return 0;
5940
5941 return 1;
5942}
5943
Michael Chanb6016b72005-05-26 13:03:09 -07005944static void
Michael Chan48b01e22006-11-19 14:08:00 -08005945bnx2_5706_serdes_timer(struct bnx2 *bp)
5946{
Michael Chanb2fadea2008-01-21 17:07:06 -08005947 int check_link = 1;
5948
Michael Chan48b01e22006-11-19 14:08:00 -08005949 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005950 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005951 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005952 check_link = 0;
5953 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005954 u32 bmcr;
5955
Benjamin Liac392ab2008-09-18 16:40:49 -07005956 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005957
Michael Chanca58c3a2007-05-03 13:22:52 -07005958 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005959
5960 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005961 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005962 bmcr &= ~BMCR_ANENABLE;
5963 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005964 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005965 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005966 }
5967 }
5968 }
5969 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005970 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005971 u32 phy2;
5972
5973 bnx2_write_phy(bp, 0x17, 0x0f01);
5974 bnx2_read_phy(bp, 0x15, &phy2);
5975 if (phy2 & 0x20) {
5976 u32 bmcr;
5977
Michael Chanca58c3a2007-05-03 13:22:52 -07005978 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005979 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005980 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005981
Michael Chan583c28e2008-01-21 19:51:35 -08005982 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005983 }
5984 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07005985 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005986
Michael Chana2724e22008-02-23 19:47:44 -08005987 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005988 u32 val;
5989
5990 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5991 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5992 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5993
Michael Chana2724e22008-02-23 19:47:44 -08005994 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
5995 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
5996 bnx2_5706s_force_link_dn(bp, 1);
5997 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
5998 } else
5999 bnx2_set_link(bp);
6000 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6001 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006002 }
Michael Chan48b01e22006-11-19 14:08:00 -08006003 spin_unlock(&bp->phy_lock);
6004}
6005
6006static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006007bnx2_5708_serdes_timer(struct bnx2 *bp)
6008{
Michael Chan583c28e2008-01-21 19:51:35 -08006009 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006010 return;
6011
Michael Chan583c28e2008-01-21 19:51:35 -08006012 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006013 bp->serdes_an_pending = 0;
6014 return;
6015 }
6016
6017 spin_lock(&bp->phy_lock);
6018 if (bp->serdes_an_pending)
6019 bp->serdes_an_pending--;
6020 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6021 u32 bmcr;
6022
Michael Chanca58c3a2007-05-03 13:22:52 -07006023 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006024 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006025 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006026 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006027 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006028 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006029 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006030 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006031 }
6032
6033 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006034 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006035
6036 spin_unlock(&bp->phy_lock);
6037}
6038
6039static void
Michael Chanb6016b72005-05-26 13:03:09 -07006040bnx2_timer(unsigned long data)
6041{
6042 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006043
Michael Chancd339a02005-08-25 15:35:24 -07006044 if (!netif_running(bp->dev))
6045 return;
6046
Michael Chanb6016b72005-05-26 13:03:09 -07006047 if (atomic_read(&bp->intr_sem) != 0)
6048 goto bnx2_restart_timer;
6049
Michael Chanefba0182008-12-03 00:36:15 -08006050 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6051 BNX2_FLAG_USING_MSI)
6052 bnx2_chk_missed_msi(bp);
6053
Michael Chandf149d72007-07-07 22:51:36 -07006054 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006055
Michael Chan2726d6e2008-01-29 21:35:05 -08006056 bp->stats_blk->stat_FwRxDrop =
6057 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006058
Michael Chan02537b062007-06-04 21:24:07 -07006059 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006060 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chan02537b062007-06-04 21:24:07 -07006061 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6062 BNX2_HC_COMMAND_STATS_NOW);
6063
Michael Chan583c28e2008-01-21 19:51:35 -08006064 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006065 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6066 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006067 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006068 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006069 }
6070
6071bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006072 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006073}
6074
Michael Chan8e6a72c2007-05-03 13:24:48 -07006075static int
6076bnx2_request_irq(struct bnx2 *bp)
6077{
Michael Chan6d866ff2007-12-20 19:56:09 -08006078 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006079 struct bnx2_irq *irq;
6080 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006081
David S. Millerf86e82f2008-01-21 17:15:40 -08006082 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006083 flags = 0;
6084 else
6085 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006086
6087 for (i = 0; i < bp->irq_nvecs; i++) {
6088 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006089 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006090 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006091 if (rc)
6092 break;
6093 irq->requested = 1;
6094 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006095 return rc;
6096}
6097
6098static void
Michael Chana29ba9d2010-12-31 11:03:14 -08006099__bnx2_free_irq(struct bnx2 *bp)
Michael Chan8e6a72c2007-05-03 13:24:48 -07006100{
Michael Chanb4b36042007-12-20 19:59:30 -08006101 struct bnx2_irq *irq;
6102 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006103
Michael Chanb4b36042007-12-20 19:59:30 -08006104 for (i = 0; i < bp->irq_nvecs; i++) {
6105 irq = &bp->irq_tbl[i];
6106 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006107 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006108 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006109 }
Michael Chana29ba9d2010-12-31 11:03:14 -08006110}
6111
6112static void
6113bnx2_free_irq(struct bnx2 *bp)
6114{
6115
6116 __bnx2_free_irq(bp);
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 Chan379b39a2010-07-19 14:15:03 +00006128 int i, total_vecs, rc;
Michael Chan57851d82007-12-20 20:01:44 -08006129 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
Michael Chan379b39a2010-07-19 14:15:03 +00006147 total_vecs = msix_vecs;
6148#ifdef BCM_CNIC
6149 total_vecs++;
6150#endif
6151 rc = -ENOSPC;
6152 while (total_vecs >= BNX2_MIN_MSIX_VEC) {
6153 rc = pci_enable_msix(bp->pdev, msix_ent, total_vecs);
6154 if (rc <= 0)
6155 break;
6156 if (rc > 0)
6157 total_vecs = rc;
6158 }
6159
Michael Chan57851d82007-12-20 20:01:44 -08006160 if (rc != 0)
6161 return;
6162
Michael Chan379b39a2010-07-19 14:15:03 +00006163 msix_vecs = total_vecs;
6164#ifdef BCM_CNIC
6165 msix_vecs--;
6166#endif
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006167 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006168 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan379b39a2010-07-19 14:15:03 +00006169 for (i = 0; i < total_vecs; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006170 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006171 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6172 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6173 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006174}
6175
Ben Hutchings657d92f2010-09-27 08:25:16 +00006176static int
Michael Chan6d866ff2007-12-20 19:56:09 -08006177bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6178{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006179 int cpus = num_online_cpus();
Benjamin Li706bf242008-07-18 17:55:11 -07006180 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006181
Michael Chan6d866ff2007-12-20 19:56:09 -08006182 bp->irq_tbl[0].handler = bnx2_interrupt;
6183 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006184 bp->irq_nvecs = 1;
6185 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006186
Michael Chan3d5f3a72010-07-03 20:42:15 +00006187 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006188 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006189
David S. Millerf86e82f2008-01-21 17:15:40 -08006190 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6191 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006192 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006193 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006194 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006195 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006196 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6197 } else
6198 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006199
6200 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006201 }
6202 }
Benjamin Li706bf242008-07-18 17:55:11 -07006203
6204 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
Ben Hutchings657d92f2010-09-27 08:25:16 +00006205 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
Benjamin Li706bf242008-07-18 17:55:11 -07006206
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006207 bp->num_rx_rings = bp->irq_nvecs;
Ben Hutchings657d92f2010-09-27 08:25:16 +00006208 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006209}
6210
Michael Chanb6016b72005-05-26 13:03:09 -07006211/* Called with rtnl_lock */
6212static int
6213bnx2_open(struct net_device *dev)
6214{
Michael Chan972ec0d2006-01-23 16:12:43 -08006215 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006216 int rc;
6217
Michael Chan1b2f9222007-05-03 13:20:19 -07006218 netif_carrier_off(dev);
6219
Pavel Machek829ca9a2005-09-03 15:56:56 -07006220 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07006221 bnx2_disable_int(bp);
6222
Ben Hutchings657d92f2010-09-27 08:25:16 +00006223 rc = bnx2_setup_int_mode(bp, disable_msi);
6224 if (rc)
6225 goto open_err;
Benjamin Li4327ba42010-03-23 13:13:11 +00006226 bnx2_init_napi(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006227 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006228 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006229 if (rc)
6230 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006231
Michael Chan8e6a72c2007-05-03 13:24:48 -07006232 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006233 if (rc)
6234 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006235
Michael Chan9a120bc2008-05-16 22:17:45 -07006236 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006237 if (rc)
6238 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006239
Michael Chancd339a02005-08-25 15:35:24 -07006240 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006241
6242 atomic_set(&bp->intr_sem, 0);
6243
Michael Chan354fcd72010-01-17 07:30:44 +00006244 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6245
Michael Chanb6016b72005-05-26 13:03:09 -07006246 bnx2_enable_int(bp);
6247
David S. Millerf86e82f2008-01-21 17:15:40 -08006248 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006249 /* Test MSI to make sure it is working
6250 * If MSI test fails, go back to INTx mode
6251 */
6252 if (bnx2_test_intr(bp) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00006253 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 -07006254
6255 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006256 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006257
Michael Chan6d866ff2007-12-20 19:56:09 -08006258 bnx2_setup_int_mode(bp, 1);
6259
Michael Chan9a120bc2008-05-16 22:17:45 -07006260 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006261
Michael Chan8e6a72c2007-05-03 13:24:48 -07006262 if (!rc)
6263 rc = bnx2_request_irq(bp);
6264
Michael Chanb6016b72005-05-26 13:03:09 -07006265 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006266 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006267 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006268 }
6269 bnx2_enable_int(bp);
6270 }
6271 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006272 if (bp->flags & BNX2_FLAG_USING_MSI)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006273 netdev_info(dev, "using MSI\n");
David S. Millerf86e82f2008-01-21 17:15:40 -08006274 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006275 netdev_info(dev, "using MSIX\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006276
Benjamin Li706bf242008-07-18 17:55:11 -07006277 netif_tx_start_all_queues(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006278
6279 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07006280
6281open_err:
6282 bnx2_napi_disable(bp);
6283 bnx2_free_skbs(bp);
6284 bnx2_free_irq(bp);
6285 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006286 bnx2_del_napi(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006287 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006288}
6289
6290static void
David Howellsc4028952006-11-22 14:57:56 +00006291bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006292{
David Howellsc4028952006-11-22 14:57:56 +00006293 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07006294
Michael Chan51bf6bb2009-12-03 09:46:31 +00006295 rtnl_lock();
6296 if (!netif_running(bp->dev)) {
6297 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006298 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006299 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006300
Michael Chan212f9932010-04-27 11:28:10 +00006301 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07006302
Michael Chan9a120bc2008-05-16 22:17:45 -07006303 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006304
6305 atomic_set(&bp->intr_sem, 1);
Michael Chan212f9932010-04-27 11:28:10 +00006306 bnx2_netif_start(bp, true);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006307 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006308}
6309
6310static void
Michael Chan20175c52009-12-03 09:46:32 +00006311bnx2_dump_state(struct bnx2 *bp)
6312{
6313 struct net_device *dev = bp->dev;
Michael Chan5804a8f2010-07-03 20:42:17 +00006314 u32 mcp_p0, mcp_p1, val1, val2;
Michael Chan20175c52009-12-03 09:46:32 +00006315
Michael Chan5804a8f2010-07-03 20:42:17 +00006316 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
6317 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
6318 atomic_read(&bp->intr_sem), val1);
6319 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
6320 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
6321 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
Eddie Waib98eba52010-05-17 17:32:56 -07006322 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
Joe Perches3a9c6a42010-02-17 15:01:51 +00006323 REG_RD(bp, BNX2_EMAC_TX_STATUS),
Eddie Waib98eba52010-05-17 17:32:56 -07006324 REG_RD(bp, BNX2_EMAC_RX_STATUS));
6325 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
Joe Perches3a9c6a42010-02-17 15:01:51 +00006326 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
Eddie Waib98eba52010-05-17 17:32:56 -07006327 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6328 mcp_p0 = BNX2_MCP_STATE_P0;
6329 mcp_p1 = BNX2_MCP_STATE_P1;
6330 } else {
6331 mcp_p0 = BNX2_MCP_STATE_P0_5708;
6332 mcp_p1 = BNX2_MCP_STATE_P1_5708;
6333 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00006334 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
Eddie Waib98eba52010-05-17 17:32:56 -07006335 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
Joe Perches3a9c6a42010-02-17 15:01:51 +00006336 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6337 REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
Michael Chan20175c52009-12-03 09:46:32 +00006338 if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006339 netdev_err(dev, "DEBUG: PBA[%08x]\n",
6340 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
Michael Chan20175c52009-12-03 09:46:32 +00006341}
6342
6343static void
Michael Chanb6016b72005-05-26 13:03:09 -07006344bnx2_tx_timeout(struct net_device *dev)
6345{
Michael Chan972ec0d2006-01-23 16:12:43 -08006346 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006347
Michael Chan20175c52009-12-03 09:46:32 +00006348 bnx2_dump_state(bp);
6349
Michael Chanb6016b72005-05-26 13:03:09 -07006350 /* This allows the netif to be shutdown gracefully before resetting */
6351 schedule_work(&bp->reset_task);
6352}
6353
Herbert Xu932ff272006-06-09 12:20:56 -07006354/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006355 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6356 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006357 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006358static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006359bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6360{
Michael Chan972ec0d2006-01-23 16:12:43 -08006361 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006362 dma_addr_t mapping;
6363 struct tx_bd *txbd;
Benjamin Li3d16af82008-10-09 12:26:41 -07006364 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006365 u32 len, vlan_tag_flags, last_frag, mss;
6366 u16 prod, ring_prod;
6367 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006368 struct bnx2_napi *bnapi;
6369 struct bnx2_tx_ring_info *txr;
6370 struct netdev_queue *txq;
6371
6372 /* Determine which tx ring we will be placed on */
6373 i = skb_get_queue_mapping(skb);
6374 bnapi = &bp->bnx2_napi[i];
6375 txr = &bnapi->tx_ring;
6376 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006377
Michael Chan35e90102008-06-19 16:37:42 -07006378 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006379 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006380 netif_tx_stop_queue(txq);
Joe Perches3a9c6a42010-02-17 15:01:51 +00006381 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006382
6383 return NETDEV_TX_BUSY;
6384 }
6385 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006386 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006387 ring_prod = TX_RING_IDX(prod);
6388
6389 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006390 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006391 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6392 }
6393
Jesse Grosseab6d182010-10-20 13:56:03 +00006394 if (vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006395 vlan_tag_flags |=
6396 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6397 }
Jesse Gross7d0fd212010-10-20 13:56:09 +00006398
Michael Chanfde82052007-05-03 17:23:35 -07006399 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006400 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006401 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006402
Michael Chanb6016b72005-05-26 13:03:09 -07006403 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6404
Michael Chan4666f872007-05-03 13:22:28 -07006405 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006406
Michael Chan4666f872007-05-03 13:22:28 -07006407 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6408 u32 tcp_off = skb_transport_offset(skb) -
6409 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006410
Michael Chan4666f872007-05-03 13:22:28 -07006411 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6412 TX_BD_FLAGS_SW_FLAGS;
6413 if (likely(tcp_off == 0))
6414 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6415 else {
6416 tcp_off >>= 3;
6417 vlan_tag_flags |= ((tcp_off & 0x3) <<
6418 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6419 ((tcp_off & 0x10) <<
6420 TX_BD_FLAGS_TCP6_OFF4_SHL);
6421 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6422 }
6423 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006424 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006425 if (tcp_opt_len || (iph->ihl > 5)) {
6426 vlan_tag_flags |= ((iph->ihl - 5) +
6427 (tcp_opt_len >> 2)) << 8;
6428 }
Michael Chanb6016b72005-05-26 13:03:09 -07006429 }
Michael Chan4666f872007-05-03 13:22:28 -07006430 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006431 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006432
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006433 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
6434 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07006435 dev_kfree_skb(skb);
6436 return NETDEV_TX_OK;
6437 }
6438
Michael Chan35e90102008-06-19 16:37:42 -07006439 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006440 tx_buf->skb = skb;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006441 dma_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006442
Michael Chan35e90102008-06-19 16:37:42 -07006443 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006444
6445 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6446 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6447 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6448 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6449
6450 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006451 tx_buf->nr_frags = last_frag;
6452 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006453
6454 for (i = 0; i < last_frag; i++) {
6455 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6456
6457 prod = NEXT_TX_BD(prod);
6458 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006459 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006460
6461 len = frag->size;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006462 mapping = dma_map_page(&bp->pdev->dev, frag->page, frag->page_offset,
6463 len, PCI_DMA_TODEVICE);
6464 if (dma_mapping_error(&bp->pdev->dev, mapping))
Alexander Duycke95524a2009-12-02 16:47:57 +00006465 goto dma_error;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006466 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
Alexander Duycke95524a2009-12-02 16:47:57 +00006467 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006468
6469 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6470 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6471 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6472 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6473
6474 }
6475 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6476
6477 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006478 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006479
Michael Chan35e90102008-06-19 16:37:42 -07006480 REG_WR16(bp, txr->tx_bidx_addr, prod);
6481 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006482
6483 mmiowb();
6484
Michael Chan35e90102008-06-19 16:37:42 -07006485 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006486
Michael Chan35e90102008-06-19 16:37:42 -07006487 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006488 netif_tx_stop_queue(txq);
Michael Chan11848b962010-07-19 14:15:04 +00006489
6490 /* netif_tx_stop_queue() must be done before checking
6491 * tx index in bnx2_tx_avail() below, because in
6492 * bnx2_tx_int(), we update tx index before checking for
6493 * netif_tx_queue_stopped().
6494 */
6495 smp_mb();
Michael Chan35e90102008-06-19 16:37:42 -07006496 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006497 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006498 }
6499
6500 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006501dma_error:
6502 /* save value of frag that failed */
6503 last_frag = i;
6504
6505 /* start back at beginning and unmap skb */
6506 prod = txr->tx_prod;
6507 ring_prod = TX_RING_IDX(prod);
6508 tx_buf = &txr->tx_buf_ring[ring_prod];
6509 tx_buf->skb = NULL;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006510 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006511 skb_headlen(skb), PCI_DMA_TODEVICE);
6512
6513 /* unmap remaining mapped pages */
6514 for (i = 0; i < last_frag; i++) {
6515 prod = NEXT_TX_BD(prod);
6516 ring_prod = TX_RING_IDX(prod);
6517 tx_buf = &txr->tx_buf_ring[ring_prod];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006518 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006519 skb_shinfo(skb)->frags[i].size,
6520 PCI_DMA_TODEVICE);
6521 }
6522
6523 dev_kfree_skb(skb);
6524 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006525}
6526
6527/* Called with rtnl_lock */
6528static int
6529bnx2_close(struct net_device *dev)
6530{
Michael Chan972ec0d2006-01-23 16:12:43 -08006531 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006532
David S. Miller4bb073c2008-06-12 02:22:02 -07006533 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006534
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006535 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006536 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006537 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006538 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006539 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006540 bnx2_free_skbs(bp);
6541 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006542 bnx2_del_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006543 bp->link_up = 0;
6544 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006545 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006546 return 0;
6547}
6548
Michael Chan354fcd72010-01-17 07:30:44 +00006549static void
6550bnx2_save_stats(struct bnx2 *bp)
6551{
6552 u32 *hw_stats = (u32 *) bp->stats_blk;
6553 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6554 int i;
6555
6556 /* The 1st 10 counters are 64-bit counters */
6557 for (i = 0; i < 20; i += 2) {
6558 u32 hi;
6559 u64 lo;
6560
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006561 hi = temp_stats[i] + hw_stats[i];
6562 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
Michael Chan354fcd72010-01-17 07:30:44 +00006563 if (lo > 0xffffffff)
6564 hi++;
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006565 temp_stats[i] = hi;
6566 temp_stats[i + 1] = lo & 0xffffffff;
Michael Chan354fcd72010-01-17 07:30:44 +00006567 }
6568
6569 for ( ; i < sizeof(struct statistics_block) / 4; i++)
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006570 temp_stats[i] += hw_stats[i];
Michael Chan354fcd72010-01-17 07:30:44 +00006571}
6572
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006573#define GET_64BIT_NET_STATS64(ctr) \
6574 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
Michael Chanb6016b72005-05-26 13:03:09 -07006575
Michael Chana4743052010-01-17 07:30:43 +00006576#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006577 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6578 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006579
Michael Chana4743052010-01-17 07:30:43 +00006580#define GET_32BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006581 (unsigned long) (bp->stats_blk->ctr + \
6582 bp->temp_stats_blk->ctr)
Michael Chana4743052010-01-17 07:30:43 +00006583
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006584static struct rtnl_link_stats64 *
6585bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
Michael Chanb6016b72005-05-26 13:03:09 -07006586{
Michael Chan972ec0d2006-01-23 16:12:43 -08006587 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006588
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006589 if (bp->stats_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006590 return net_stats;
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006591
Michael Chanb6016b72005-05-26 13:03:09 -07006592 net_stats->rx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006593 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6594 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6595 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006596
6597 net_stats->tx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006598 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6599 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6600 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006601
6602 net_stats->rx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006603 GET_64BIT_NET_STATS(stat_IfHCInOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006604
6605 net_stats->tx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006606 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006607
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006608 net_stats->multicast =
Michael Chan6fdae992010-07-19 14:15:02 +00006609 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006610
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006611 net_stats->collisions =
Michael Chana4743052010-01-17 07:30:43 +00006612 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006613
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006614 net_stats->rx_length_errors =
Michael Chana4743052010-01-17 07:30:43 +00006615 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6616 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006617
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006618 net_stats->rx_over_errors =
Michael Chana4743052010-01-17 07:30:43 +00006619 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6620 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006621
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006622 net_stats->rx_frame_errors =
Michael Chana4743052010-01-17 07:30:43 +00006623 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006624
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006625 net_stats->rx_crc_errors =
Michael Chana4743052010-01-17 07:30:43 +00006626 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006627
6628 net_stats->rx_errors = net_stats->rx_length_errors +
6629 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6630 net_stats->rx_crc_errors;
6631
6632 net_stats->tx_aborted_errors =
Michael Chana4743052010-01-17 07:30:43 +00006633 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6634 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006635
Michael Chan5b0c76a2005-11-04 08:45:49 -08006636 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6637 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006638 net_stats->tx_carrier_errors = 0;
6639 else {
6640 net_stats->tx_carrier_errors =
Michael Chana4743052010-01-17 07:30:43 +00006641 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006642 }
6643
6644 net_stats->tx_errors =
Michael Chana4743052010-01-17 07:30:43 +00006645 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
Michael Chanb6016b72005-05-26 13:03:09 -07006646 net_stats->tx_aborted_errors +
6647 net_stats->tx_carrier_errors;
6648
Michael Chancea94db2006-06-12 22:16:13 -07006649 net_stats->rx_missed_errors =
Michael Chana4743052010-01-17 07:30:43 +00006650 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6651 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6652 GET_32BIT_NET_STATS(stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006653
Michael Chanb6016b72005-05-26 13:03:09 -07006654 return net_stats;
6655}
6656
6657/* All ethtool functions called with rtnl_lock */
6658
6659static int
6660bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6661{
Michael Chan972ec0d2006-01-23 16:12:43 -08006662 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006663 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006664
6665 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006666 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006667 support_serdes = 1;
6668 support_copper = 1;
6669 } else if (bp->phy_port == PORT_FIBRE)
6670 support_serdes = 1;
6671 else
6672 support_copper = 1;
6673
6674 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006675 cmd->supported |= SUPPORTED_1000baseT_Full |
6676 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006677 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006678 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006679
Michael Chanb6016b72005-05-26 13:03:09 -07006680 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006681 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006682 cmd->supported |= SUPPORTED_10baseT_Half |
6683 SUPPORTED_10baseT_Full |
6684 SUPPORTED_100baseT_Half |
6685 SUPPORTED_100baseT_Full |
6686 SUPPORTED_1000baseT_Full |
6687 SUPPORTED_TP;
6688
Michael Chanb6016b72005-05-26 13:03:09 -07006689 }
6690
Michael Chan7b6b8342007-07-07 22:50:15 -07006691 spin_lock_bh(&bp->phy_lock);
6692 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006693 cmd->advertising = bp->advertising;
6694
6695 if (bp->autoneg & AUTONEG_SPEED) {
6696 cmd->autoneg = AUTONEG_ENABLE;
6697 }
6698 else {
6699 cmd->autoneg = AUTONEG_DISABLE;
6700 }
6701
6702 if (netif_carrier_ok(dev)) {
6703 cmd->speed = bp->line_speed;
6704 cmd->duplex = bp->duplex;
6705 }
6706 else {
6707 cmd->speed = -1;
6708 cmd->duplex = -1;
6709 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006710 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006711
6712 cmd->transceiver = XCVR_INTERNAL;
6713 cmd->phy_address = bp->phy_addr;
6714
6715 return 0;
6716}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006717
Michael Chanb6016b72005-05-26 13:03:09 -07006718static int
6719bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6720{
Michael Chan972ec0d2006-01-23 16:12:43 -08006721 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006722 u8 autoneg = bp->autoneg;
6723 u8 req_duplex = bp->req_duplex;
6724 u16 req_line_speed = bp->req_line_speed;
6725 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006726 int err = -EINVAL;
6727
6728 spin_lock_bh(&bp->phy_lock);
6729
6730 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6731 goto err_out_unlock;
6732
Michael Chan583c28e2008-01-21 19:51:35 -08006733 if (cmd->port != bp->phy_port &&
6734 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006735 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006736
Michael Chand6b14482008-07-14 22:37:21 -07006737 /* If device is down, we can store the settings only if the user
6738 * is setting the currently active port.
6739 */
6740 if (!netif_running(dev) && cmd->port != bp->phy_port)
6741 goto err_out_unlock;
6742
Michael Chanb6016b72005-05-26 13:03:09 -07006743 if (cmd->autoneg == AUTONEG_ENABLE) {
6744 autoneg |= AUTONEG_SPEED;
6745
Michael Chanbeb499a2010-02-15 19:42:10 +00006746 advertising = cmd->advertising;
6747 if (cmd->port == PORT_TP) {
6748 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6749 if (!advertising)
Michael Chanb6016b72005-05-26 13:03:09 -07006750 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanbeb499a2010-02-15 19:42:10 +00006751 } else {
6752 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6753 if (!advertising)
6754 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006755 }
6756 advertising |= ADVERTISED_Autoneg;
6757 }
6758 else {
Michael Chan7b6b8342007-07-07 22:50:15 -07006759 if (cmd->port == PORT_FIBRE) {
Michael Chan80be4432006-11-19 14:07:28 -08006760 if ((cmd->speed != SPEED_1000 &&
6761 cmd->speed != SPEED_2500) ||
6762 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006763 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006764
6765 if (cmd->speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006766 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006767 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006768 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006769 else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
6770 goto err_out_unlock;
6771
Michael Chanb6016b72005-05-26 13:03:09 -07006772 autoneg &= ~AUTONEG_SPEED;
6773 req_line_speed = cmd->speed;
6774 req_duplex = cmd->duplex;
6775 advertising = 0;
6776 }
6777
6778 bp->autoneg = autoneg;
6779 bp->advertising = advertising;
6780 bp->req_line_speed = req_line_speed;
6781 bp->req_duplex = req_duplex;
6782
Michael Chand6b14482008-07-14 22:37:21 -07006783 err = 0;
6784 /* If device is down, the new settings will be picked up when it is
6785 * brought up.
6786 */
6787 if (netif_running(dev))
6788 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006789
Michael Chan7b6b8342007-07-07 22:50:15 -07006790err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006791 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006792
Michael Chan7b6b8342007-07-07 22:50:15 -07006793 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006794}
6795
6796static void
6797bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6798{
Michael Chan972ec0d2006-01-23 16:12:43 -08006799 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006800
6801 strcpy(info->driver, DRV_MODULE_NAME);
6802 strcpy(info->version, DRV_MODULE_VERSION);
6803 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006804 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006805}
6806
Michael Chan244ac4f2006-03-20 17:48:46 -08006807#define BNX2_REGDUMP_LEN (32 * 1024)
6808
6809static int
6810bnx2_get_regs_len(struct net_device *dev)
6811{
6812 return BNX2_REGDUMP_LEN;
6813}
6814
6815static void
6816bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6817{
6818 u32 *p = _p, i, offset;
6819 u8 *orig_p = _p;
6820 struct bnx2 *bp = netdev_priv(dev);
Joe Perchesb6bc7652010-12-21 02:16:08 -08006821 static const u32 reg_boundaries[] = {
6822 0x0000, 0x0098, 0x0400, 0x045c,
6823 0x0800, 0x0880, 0x0c00, 0x0c10,
6824 0x0c30, 0x0d08, 0x1000, 0x101c,
6825 0x1040, 0x1048, 0x1080, 0x10a4,
6826 0x1400, 0x1490, 0x1498, 0x14f0,
6827 0x1500, 0x155c, 0x1580, 0x15dc,
6828 0x1600, 0x1658, 0x1680, 0x16d8,
6829 0x1800, 0x1820, 0x1840, 0x1854,
6830 0x1880, 0x1894, 0x1900, 0x1984,
6831 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6832 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6833 0x2000, 0x2030, 0x23c0, 0x2400,
6834 0x2800, 0x2820, 0x2830, 0x2850,
6835 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6836 0x3c00, 0x3c94, 0x4000, 0x4010,
6837 0x4080, 0x4090, 0x43c0, 0x4458,
6838 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6839 0x4fc0, 0x5010, 0x53c0, 0x5444,
6840 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6841 0x5fc0, 0x6000, 0x6400, 0x6428,
6842 0x6800, 0x6848, 0x684c, 0x6860,
6843 0x6888, 0x6910, 0x8000
6844 };
Michael Chan244ac4f2006-03-20 17:48:46 -08006845
6846 regs->version = 0;
6847
6848 memset(p, 0, BNX2_REGDUMP_LEN);
6849
6850 if (!netif_running(bp->dev))
6851 return;
6852
6853 i = 0;
6854 offset = reg_boundaries[0];
6855 p += offset;
6856 while (offset < BNX2_REGDUMP_LEN) {
6857 *p++ = REG_RD(bp, offset);
6858 offset += 4;
6859 if (offset == reg_boundaries[i + 1]) {
6860 offset = reg_boundaries[i + 2];
6861 p = (u32 *) (orig_p + offset);
6862 i += 2;
6863 }
6864 }
6865}
6866
Michael Chanb6016b72005-05-26 13:03:09 -07006867static void
6868bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6869{
Michael Chan972ec0d2006-01-23 16:12:43 -08006870 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006871
David S. Millerf86e82f2008-01-21 17:15:40 -08006872 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006873 wol->supported = 0;
6874 wol->wolopts = 0;
6875 }
6876 else {
6877 wol->supported = WAKE_MAGIC;
6878 if (bp->wol)
6879 wol->wolopts = WAKE_MAGIC;
6880 else
6881 wol->wolopts = 0;
6882 }
6883 memset(&wol->sopass, 0, sizeof(wol->sopass));
6884}
6885
6886static int
6887bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6888{
Michael Chan972ec0d2006-01-23 16:12:43 -08006889 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006890
6891 if (wol->wolopts & ~WAKE_MAGIC)
6892 return -EINVAL;
6893
6894 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006895 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006896 return -EINVAL;
6897
6898 bp->wol = 1;
6899 }
6900 else {
6901 bp->wol = 0;
6902 }
6903 return 0;
6904}
6905
6906static int
6907bnx2_nway_reset(struct net_device *dev)
6908{
Michael Chan972ec0d2006-01-23 16:12:43 -08006909 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006910 u32 bmcr;
6911
Michael Chan9f52b562008-10-09 12:21:46 -07006912 if (!netif_running(dev))
6913 return -EAGAIN;
6914
Michael Chanb6016b72005-05-26 13:03:09 -07006915 if (!(bp->autoneg & AUTONEG_SPEED)) {
6916 return -EINVAL;
6917 }
6918
Michael Chanc770a652005-08-25 15:38:39 -07006919 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006920
Michael Chan583c28e2008-01-21 19:51:35 -08006921 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006922 int rc;
6923
6924 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6925 spin_unlock_bh(&bp->phy_lock);
6926 return rc;
6927 }
6928
Michael Chanb6016b72005-05-26 13:03:09 -07006929 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006930 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006931 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006932 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006933
6934 msleep(20);
6935
Michael Chanc770a652005-08-25 15:38:39 -07006936 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006937
Michael Chan40105c02008-11-12 16:02:45 -08006938 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006939 bp->serdes_an_pending = 1;
6940 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006941 }
6942
Michael Chanca58c3a2007-05-03 13:22:52 -07006943 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006944 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006945 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006946
Michael Chanc770a652005-08-25 15:38:39 -07006947 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006948
6949 return 0;
6950}
6951
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07006952static u32
6953bnx2_get_link(struct net_device *dev)
6954{
6955 struct bnx2 *bp = netdev_priv(dev);
6956
6957 return bp->link_up;
6958}
6959
Michael Chanb6016b72005-05-26 13:03:09 -07006960static int
6961bnx2_get_eeprom_len(struct net_device *dev)
6962{
Michael Chan972ec0d2006-01-23 16:12:43 -08006963 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006964
Michael Chan1122db72006-01-23 16:11:42 -08006965 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006966 return 0;
6967
Michael Chan1122db72006-01-23 16:11:42 -08006968 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006969}
6970
6971static int
6972bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6973 u8 *eebuf)
6974{
Michael Chan972ec0d2006-01-23 16:12:43 -08006975 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006976 int rc;
6977
Michael Chan9f52b562008-10-09 12:21:46 -07006978 if (!netif_running(dev))
6979 return -EAGAIN;
6980
John W. Linville1064e942005-11-10 12:58:24 -08006981 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006982
6983 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6984
6985 return rc;
6986}
6987
6988static int
6989bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6990 u8 *eebuf)
6991{
Michael Chan972ec0d2006-01-23 16:12:43 -08006992 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006993 int rc;
6994
Michael Chan9f52b562008-10-09 12:21:46 -07006995 if (!netif_running(dev))
6996 return -EAGAIN;
6997
John W. Linville1064e942005-11-10 12:58:24 -08006998 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006999
7000 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7001
7002 return rc;
7003}
7004
7005static int
7006bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7007{
Michael Chan972ec0d2006-01-23 16:12:43 -08007008 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007009
7010 memset(coal, 0, sizeof(struct ethtool_coalesce));
7011
7012 coal->rx_coalesce_usecs = bp->rx_ticks;
7013 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7014 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7015 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7016
7017 coal->tx_coalesce_usecs = bp->tx_ticks;
7018 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7019 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7020 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7021
7022 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7023
7024 return 0;
7025}
7026
7027static int
7028bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7029{
Michael Chan972ec0d2006-01-23 16:12:43 -08007030 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007031
7032 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7033 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7034
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007035 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007036 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7037
7038 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7039 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7040
7041 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7042 if (bp->rx_quick_cons_trip_int > 0xff)
7043 bp->rx_quick_cons_trip_int = 0xff;
7044
7045 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7046 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7047
7048 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7049 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7050
7051 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7052 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7053
7054 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7055 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7056 0xff;
7057
7058 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007059 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007060 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7061 bp->stats_ticks = USEC_PER_SEC;
7062 }
Michael Chan7ea69202007-07-16 18:27:10 -07007063 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7064 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7065 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007066
7067 if (netif_running(bp->dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00007068 bnx2_netif_stop(bp, true);
Michael Chan9a120bc2008-05-16 22:17:45 -07007069 bnx2_init_nic(bp, 0);
Michael Chan212f9932010-04-27 11:28:10 +00007070 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007071 }
7072
7073 return 0;
7074}
7075
7076static void
7077bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7078{
Michael Chan972ec0d2006-01-23 16:12:43 -08007079 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007080
Michael Chan13daffa2006-03-20 17:49:20 -08007081 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007082 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007083 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007084
7085 ering->rx_pending = bp->rx_ring_size;
7086 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007087 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007088
7089 ering->tx_max_pending = MAX_TX_DESC_CNT;
7090 ering->tx_pending = bp->tx_ring_size;
7091}
7092
7093static int
Michael Chan5d5d0012007-12-12 11:17:43 -08007094bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07007095{
Michael Chan13daffa2006-03-20 17:49:20 -08007096 if (netif_running(bp->dev)) {
Michael Chan354fcd72010-01-17 07:30:44 +00007097 /* Reset will erase chipset stats; save them */
7098 bnx2_save_stats(bp);
7099
Michael Chan212f9932010-04-27 11:28:10 +00007100 bnx2_netif_stop(bp, true);
Michael Chan13daffa2006-03-20 17:49:20 -08007101 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
Michael Chana29ba9d2010-12-31 11:03:14 -08007102 __bnx2_free_irq(bp);
Michael Chan13daffa2006-03-20 17:49:20 -08007103 bnx2_free_skbs(bp);
7104 bnx2_free_mem(bp);
7105 }
7106
Michael Chan5d5d0012007-12-12 11:17:43 -08007107 bnx2_set_rx_ring_size(bp, rx);
7108 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007109
7110 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08007111 int rc;
7112
7113 rc = bnx2_alloc_mem(bp);
Michael Chan6fefb65e2009-08-21 16:20:45 +00007114 if (!rc)
Michael Chana29ba9d2010-12-31 11:03:14 -08007115 rc = bnx2_request_irq(bp);
7116
7117 if (!rc)
Michael Chan6fefb65e2009-08-21 16:20:45 +00007118 rc = bnx2_init_nic(bp, 0);
7119
7120 if (rc) {
7121 bnx2_napi_enable(bp);
7122 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007123 return rc;
Michael Chan6fefb65e2009-08-21 16:20:45 +00007124 }
Michael Chane9f26c42010-02-15 19:42:08 +00007125#ifdef BCM_CNIC
7126 mutex_lock(&bp->cnic_lock);
7127 /* Let cnic know about the new status block. */
7128 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7129 bnx2_setup_cnic_irq_info(bp);
7130 mutex_unlock(&bp->cnic_lock);
7131#endif
Michael Chan212f9932010-04-27 11:28:10 +00007132 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007133 }
Michael Chanb6016b72005-05-26 13:03:09 -07007134 return 0;
7135}
7136
Michael Chan5d5d0012007-12-12 11:17:43 -08007137static int
7138bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7139{
7140 struct bnx2 *bp = netdev_priv(dev);
7141 int rc;
7142
7143 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7144 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7145 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7146
7147 return -EINVAL;
7148 }
7149 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7150 return rc;
7151}
7152
Michael Chanb6016b72005-05-26 13:03:09 -07007153static void
7154bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7155{
Michael Chan972ec0d2006-01-23 16:12:43 -08007156 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007157
7158 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7159 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7160 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7161}
7162
7163static int
7164bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7165{
Michael Chan972ec0d2006-01-23 16:12:43 -08007166 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007167
7168 bp->req_flow_ctrl = 0;
7169 if (epause->rx_pause)
7170 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7171 if (epause->tx_pause)
7172 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7173
7174 if (epause->autoneg) {
7175 bp->autoneg |= AUTONEG_FLOW_CTRL;
7176 }
7177 else {
7178 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7179 }
7180
Michael Chan9f52b562008-10-09 12:21:46 -07007181 if (netif_running(dev)) {
7182 spin_lock_bh(&bp->phy_lock);
7183 bnx2_setup_phy(bp, bp->phy_port);
7184 spin_unlock_bh(&bp->phy_lock);
7185 }
Michael Chanb6016b72005-05-26 13:03:09 -07007186
7187 return 0;
7188}
7189
7190static u32
7191bnx2_get_rx_csum(struct net_device *dev)
7192{
Michael Chan972ec0d2006-01-23 16:12:43 -08007193 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007194
7195 return bp->rx_csum;
7196}
7197
7198static int
7199bnx2_set_rx_csum(struct net_device *dev, u32 data)
7200{
Michael Chan972ec0d2006-01-23 16:12:43 -08007201 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007202
7203 bp->rx_csum = data;
7204 return 0;
7205}
7206
Michael Chanb11d6212006-06-29 12:31:21 -07007207static int
7208bnx2_set_tso(struct net_device *dev, u32 data)
7209{
Michael Chan4666f872007-05-03 13:22:28 -07007210 struct bnx2 *bp = netdev_priv(dev);
7211
7212 if (data) {
Michael Chanb11d6212006-06-29 12:31:21 -07007213 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Michael Chan4666f872007-05-03 13:22:28 -07007214 if (CHIP_NUM(bp) == CHIP_NUM_5709)
7215 dev->features |= NETIF_F_TSO6;
7216 } else
7217 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
7218 NETIF_F_TSO_ECN);
Michael Chanb11d6212006-06-29 12:31:21 -07007219 return 0;
7220}
7221
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007222static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007223 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007224} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007225 { "rx_bytes" },
7226 { "rx_error_bytes" },
7227 { "tx_bytes" },
7228 { "tx_error_bytes" },
7229 { "rx_ucast_packets" },
7230 { "rx_mcast_packets" },
7231 { "rx_bcast_packets" },
7232 { "tx_ucast_packets" },
7233 { "tx_mcast_packets" },
7234 { "tx_bcast_packets" },
7235 { "tx_mac_errors" },
7236 { "tx_carrier_errors" },
7237 { "rx_crc_errors" },
7238 { "rx_align_errors" },
7239 { "tx_single_collisions" },
7240 { "tx_multi_collisions" },
7241 { "tx_deferred" },
7242 { "tx_excess_collisions" },
7243 { "tx_late_collisions" },
7244 { "tx_total_collisions" },
7245 { "rx_fragments" },
7246 { "rx_jabbers" },
7247 { "rx_undersize_packets" },
7248 { "rx_oversize_packets" },
7249 { "rx_64_byte_packets" },
7250 { "rx_65_to_127_byte_packets" },
7251 { "rx_128_to_255_byte_packets" },
7252 { "rx_256_to_511_byte_packets" },
7253 { "rx_512_to_1023_byte_packets" },
7254 { "rx_1024_to_1522_byte_packets" },
7255 { "rx_1523_to_9022_byte_packets" },
7256 { "tx_64_byte_packets" },
7257 { "tx_65_to_127_byte_packets" },
7258 { "tx_128_to_255_byte_packets" },
7259 { "tx_256_to_511_byte_packets" },
7260 { "tx_512_to_1023_byte_packets" },
7261 { "tx_1024_to_1522_byte_packets" },
7262 { "tx_1523_to_9022_byte_packets" },
7263 { "rx_xon_frames" },
7264 { "rx_xoff_frames" },
7265 { "tx_xon_frames" },
7266 { "tx_xoff_frames" },
7267 { "rx_mac_ctrl_frames" },
7268 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007269 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007270 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007271 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007272};
7273
Michael Chan790dab22009-08-21 16:20:47 +00007274#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7275 sizeof(bnx2_stats_str_arr[0]))
7276
Michael Chanb6016b72005-05-26 13:03:09 -07007277#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7278
Arjan van de Venf71e1302006-03-03 21:33:57 -05007279static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007280 STATS_OFFSET32(stat_IfHCInOctets_hi),
7281 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7282 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7283 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7284 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7285 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7286 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7287 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7288 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7289 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7290 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007291 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7292 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7293 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7294 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7295 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7296 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7297 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7298 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7299 STATS_OFFSET32(stat_EtherStatsCollisions),
7300 STATS_OFFSET32(stat_EtherStatsFragments),
7301 STATS_OFFSET32(stat_EtherStatsJabbers),
7302 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7303 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7304 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7305 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7306 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7307 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7308 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7309 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7310 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7311 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7312 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7313 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7314 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7315 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7316 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7317 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7318 STATS_OFFSET32(stat_XonPauseFramesReceived),
7319 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7320 STATS_OFFSET32(stat_OutXonSent),
7321 STATS_OFFSET32(stat_OutXoffSent),
7322 STATS_OFFSET32(stat_MacControlFramesReceived),
7323 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007324 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007325 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007326 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007327};
7328
7329/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7330 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007331 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007332static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007333 8,0,8,8,8,8,8,8,8,8,
7334 4,0,4,4,4,4,4,4,4,4,
7335 4,4,4,4,4,4,4,4,4,4,
7336 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007337 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007338};
7339
Michael Chan5b0c76a2005-11-04 08:45:49 -08007340static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7341 8,0,8,8,8,8,8,8,8,8,
7342 4,4,4,4,4,4,4,4,4,4,
7343 4,4,4,4,4,4,4,4,4,4,
7344 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007345 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007346};
7347
Michael Chanb6016b72005-05-26 13:03:09 -07007348#define BNX2_NUM_TESTS 6
7349
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007350static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007351 char string[ETH_GSTRING_LEN];
7352} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7353 { "register_test (offline)" },
7354 { "memory_test (offline)" },
7355 { "loopback_test (offline)" },
7356 { "nvram_test (online)" },
7357 { "interrupt_test (online)" },
7358 { "link_test (online)" },
7359};
7360
7361static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007362bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007363{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007364 switch (sset) {
7365 case ETH_SS_TEST:
7366 return BNX2_NUM_TESTS;
7367 case ETH_SS_STATS:
7368 return BNX2_NUM_STATS;
7369 default:
7370 return -EOPNOTSUPP;
7371 }
Michael Chanb6016b72005-05-26 13:03:09 -07007372}
7373
7374static void
7375bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7376{
Michael Chan972ec0d2006-01-23 16:12:43 -08007377 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007378
Michael Chan9f52b562008-10-09 12:21:46 -07007379 bnx2_set_power_state(bp, PCI_D0);
7380
Michael Chanb6016b72005-05-26 13:03:09 -07007381 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7382 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007383 int i;
7384
Michael Chan212f9932010-04-27 11:28:10 +00007385 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007386 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7387 bnx2_free_skbs(bp);
7388
7389 if (bnx2_test_registers(bp) != 0) {
7390 buf[0] = 1;
7391 etest->flags |= ETH_TEST_FL_FAILED;
7392 }
7393 if (bnx2_test_memory(bp) != 0) {
7394 buf[1] = 1;
7395 etest->flags |= ETH_TEST_FL_FAILED;
7396 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007397 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007398 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007399
Michael Chan9f52b562008-10-09 12:21:46 -07007400 if (!netif_running(bp->dev))
7401 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007402 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007403 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00007404 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007405 }
7406
7407 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007408 for (i = 0; i < 7; i++) {
7409 if (bp->link_up)
7410 break;
7411 msleep_interruptible(1000);
7412 }
Michael Chanb6016b72005-05-26 13:03:09 -07007413 }
7414
7415 if (bnx2_test_nvram(bp) != 0) {
7416 buf[3] = 1;
7417 etest->flags |= ETH_TEST_FL_FAILED;
7418 }
7419 if (bnx2_test_intr(bp) != 0) {
7420 buf[4] = 1;
7421 etest->flags |= ETH_TEST_FL_FAILED;
7422 }
7423
7424 if (bnx2_test_link(bp) != 0) {
7425 buf[5] = 1;
7426 etest->flags |= ETH_TEST_FL_FAILED;
7427
7428 }
Michael Chan9f52b562008-10-09 12:21:46 -07007429 if (!netif_running(bp->dev))
7430 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07007431}
7432
7433static void
7434bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7435{
7436 switch (stringset) {
7437 case ETH_SS_STATS:
7438 memcpy(buf, bnx2_stats_str_arr,
7439 sizeof(bnx2_stats_str_arr));
7440 break;
7441 case ETH_SS_TEST:
7442 memcpy(buf, bnx2_tests_str_arr,
7443 sizeof(bnx2_tests_str_arr));
7444 break;
7445 }
7446}
7447
Michael Chanb6016b72005-05-26 13:03:09 -07007448static void
7449bnx2_get_ethtool_stats(struct net_device *dev,
7450 struct ethtool_stats *stats, u64 *buf)
7451{
Michael Chan972ec0d2006-01-23 16:12:43 -08007452 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007453 int i;
7454 u32 *hw_stats = (u32 *) bp->stats_blk;
Michael Chan354fcd72010-01-17 07:30:44 +00007455 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007456 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007457
7458 if (hw_stats == NULL) {
7459 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7460 return;
7461 }
7462
Michael Chan5b0c76a2005-11-04 08:45:49 -08007463 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7464 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7465 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7466 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007467 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007468 else
7469 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007470
7471 for (i = 0; i < BNX2_NUM_STATS; i++) {
Michael Chan354fcd72010-01-17 07:30:44 +00007472 unsigned long offset;
7473
Michael Chanb6016b72005-05-26 13:03:09 -07007474 if (stats_len_arr[i] == 0) {
7475 /* skip this counter */
7476 buf[i] = 0;
7477 continue;
7478 }
Michael Chan354fcd72010-01-17 07:30:44 +00007479
7480 offset = bnx2_stats_offset_arr[i];
Michael Chanb6016b72005-05-26 13:03:09 -07007481 if (stats_len_arr[i] == 4) {
7482 /* 4-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007483 buf[i] = (u64) *(hw_stats + offset) +
7484 *(temp_stats + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07007485 continue;
7486 }
7487 /* 8-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007488 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7489 *(hw_stats + offset + 1) +
7490 (((u64) *(temp_stats + offset)) << 32) +
7491 *(temp_stats + offset + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007492 }
7493}
7494
7495static int
7496bnx2_phys_id(struct net_device *dev, u32 data)
7497{
Michael Chan972ec0d2006-01-23 16:12:43 -08007498 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007499 int i;
7500 u32 save;
7501
Michael Chan9f52b562008-10-09 12:21:46 -07007502 bnx2_set_power_state(bp, PCI_D0);
7503
Michael Chanb6016b72005-05-26 13:03:09 -07007504 if (data == 0)
7505 data = 2;
7506
7507 save = REG_RD(bp, BNX2_MISC_CFG);
7508 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
7509
7510 for (i = 0; i < (data * 2); i++) {
7511 if ((i % 2) == 0) {
7512 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7513 }
7514 else {
7515 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7516 BNX2_EMAC_LED_1000MB_OVERRIDE |
7517 BNX2_EMAC_LED_100MB_OVERRIDE |
7518 BNX2_EMAC_LED_10MB_OVERRIDE |
7519 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7520 BNX2_EMAC_LED_TRAFFIC);
7521 }
7522 msleep_interruptible(500);
7523 if (signal_pending(current))
7524 break;
7525 }
7526 REG_WR(bp, BNX2_EMAC_LED, 0);
7527 REG_WR(bp, BNX2_MISC_CFG, save);
Michael Chan9f52b562008-10-09 12:21:46 -07007528
7529 if (!netif_running(dev))
7530 bnx2_set_power_state(bp, PCI_D3hot);
7531
Michael Chanb6016b72005-05-26 13:03:09 -07007532 return 0;
7533}
7534
Michael Chan4666f872007-05-03 13:22:28 -07007535static int
7536bnx2_set_tx_csum(struct net_device *dev, u32 data)
7537{
7538 struct bnx2 *bp = netdev_priv(dev);
7539
7540 if (CHIP_NUM(bp) == CHIP_NUM_5709)
Eric Dumazet807540b2010-09-23 05:40:09 +00007541 return ethtool_op_set_tx_ipv6_csum(dev, data);
Michael Chan4666f872007-05-03 13:22:28 -07007542 else
Eric Dumazet807540b2010-09-23 05:40:09 +00007543 return ethtool_op_set_tx_csum(dev, data);
Michael Chan4666f872007-05-03 13:22:28 -07007544}
7545
Michael Chanfdc85412010-07-03 20:42:16 +00007546static int
7547bnx2_set_flags(struct net_device *dev, u32 data)
7548{
Jesse Gross7d0fd212010-10-20 13:56:09 +00007549 struct bnx2 *bp = netdev_priv(dev);
7550 int rc;
7551
7552 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN) &&
7553 !(data & ETH_FLAG_RXVLAN))
Jesse Grossec37a482010-10-21 11:30:43 +00007554 return -EINVAL;
Jesse Gross7d0fd212010-10-20 13:56:09 +00007555
Michael Chan7c810472011-01-24 12:59:02 +00007556 /* TSO with VLAN tag won't work with current firmware */
7557 if (!(data & ETH_FLAG_TXVLAN))
7558 return -EINVAL;
7559
Jesse Gross7d0fd212010-10-20 13:56:09 +00007560 rc = ethtool_op_set_flags(dev, data, ETH_FLAG_RXHASH | ETH_FLAG_RXVLAN |
7561 ETH_FLAG_TXVLAN);
7562 if (rc)
7563 return rc;
7564
7565 if ((!!(data & ETH_FLAG_RXVLAN) !=
7566 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
7567 netif_running(dev)) {
7568 bnx2_netif_stop(bp, false);
7569 bnx2_set_rx_mode(dev);
7570 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
7571 bnx2_netif_start(bp, false);
7572 }
7573
7574 return 0;
Michael Chanfdc85412010-07-03 20:42:16 +00007575}
7576
Jeff Garzik7282d492006-09-13 14:30:00 -04007577static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007578 .get_settings = bnx2_get_settings,
7579 .set_settings = bnx2_set_settings,
7580 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007581 .get_regs_len = bnx2_get_regs_len,
7582 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007583 .get_wol = bnx2_get_wol,
7584 .set_wol = bnx2_set_wol,
7585 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007586 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007587 .get_eeprom_len = bnx2_get_eeprom_len,
7588 .get_eeprom = bnx2_get_eeprom,
7589 .set_eeprom = bnx2_set_eeprom,
7590 .get_coalesce = bnx2_get_coalesce,
7591 .set_coalesce = bnx2_set_coalesce,
7592 .get_ringparam = bnx2_get_ringparam,
7593 .set_ringparam = bnx2_set_ringparam,
7594 .get_pauseparam = bnx2_get_pauseparam,
7595 .set_pauseparam = bnx2_set_pauseparam,
7596 .get_rx_csum = bnx2_get_rx_csum,
7597 .set_rx_csum = bnx2_set_rx_csum,
Michael Chan4666f872007-05-03 13:22:28 -07007598 .set_tx_csum = bnx2_set_tx_csum,
Michael Chanb6016b72005-05-26 13:03:09 -07007599 .set_sg = ethtool_op_set_sg,
Michael Chanb11d6212006-06-29 12:31:21 -07007600 .set_tso = bnx2_set_tso,
Michael Chanb6016b72005-05-26 13:03:09 -07007601 .self_test = bnx2_self_test,
7602 .get_strings = bnx2_get_strings,
7603 .phys_id = bnx2_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007604 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007605 .get_sset_count = bnx2_get_sset_count,
Michael Chanfdc85412010-07-03 20:42:16 +00007606 .set_flags = bnx2_set_flags,
7607 .get_flags = ethtool_op_get_flags,
Michael Chanb6016b72005-05-26 13:03:09 -07007608};
7609
7610/* Called with rtnl_lock */
7611static int
7612bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7613{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007614 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007615 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007616 int err;
7617
7618 switch(cmd) {
7619 case SIOCGMIIPHY:
7620 data->phy_id = bp->phy_addr;
7621
7622 /* fallthru */
7623 case SIOCGMIIREG: {
7624 u32 mii_regval;
7625
Michael Chan583c28e2008-01-21 19:51:35 -08007626 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007627 return -EOPNOTSUPP;
7628
Michael Chandad3e452007-05-03 13:18:03 -07007629 if (!netif_running(dev))
7630 return -EAGAIN;
7631
Michael Chanc770a652005-08-25 15:38:39 -07007632 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007633 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007634 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007635
7636 data->val_out = mii_regval;
7637
7638 return err;
7639 }
7640
7641 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007642 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007643 return -EOPNOTSUPP;
7644
Michael Chandad3e452007-05-03 13:18:03 -07007645 if (!netif_running(dev))
7646 return -EAGAIN;
7647
Michael Chanc770a652005-08-25 15:38:39 -07007648 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007649 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007650 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007651
7652 return err;
7653
7654 default:
7655 /* do nothing */
7656 break;
7657 }
7658 return -EOPNOTSUPP;
7659}
7660
7661/* Called with rtnl_lock */
7662static int
7663bnx2_change_mac_addr(struct net_device *dev, void *p)
7664{
7665 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007666 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007667
Michael Chan73eef4c2005-08-25 15:39:15 -07007668 if (!is_valid_ether_addr(addr->sa_data))
7669 return -EINVAL;
7670
Michael Chanb6016b72005-05-26 13:03:09 -07007671 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7672 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007673 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007674
7675 return 0;
7676}
7677
7678/* Called with rtnl_lock */
7679static int
7680bnx2_change_mtu(struct net_device *dev, int new_mtu)
7681{
Michael Chan972ec0d2006-01-23 16:12:43 -08007682 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007683
7684 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7685 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7686 return -EINVAL;
7687
7688 dev->mtu = new_mtu;
Eric Dumazet807540b2010-09-23 05:40:09 +00007689 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07007690}
7691
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00007692#ifdef CONFIG_NET_POLL_CONTROLLER
Michael Chanb6016b72005-05-26 13:03:09 -07007693static void
7694poll_bnx2(struct net_device *dev)
7695{
Michael Chan972ec0d2006-01-23 16:12:43 -08007696 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007697 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007698
Neil Hormanb2af2c12008-11-12 16:23:44 -08007699 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan1bf1e342010-03-23 13:13:12 +00007700 struct bnx2_irq *irq = &bp->irq_tbl[i];
7701
7702 disable_irq(irq->vector);
7703 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7704 enable_irq(irq->vector);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007705 }
Michael Chanb6016b72005-05-26 13:03:09 -07007706}
7707#endif
7708
Michael Chan253c8b72007-01-08 19:56:01 -08007709static void __devinit
7710bnx2_get_5709_media(struct bnx2 *bp)
7711{
7712 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7713 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7714 u32 strap;
7715
7716 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7717 return;
7718 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007719 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007720 return;
7721 }
7722
7723 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7724 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7725 else
7726 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7727
7728 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7729 switch (strap) {
7730 case 0x4:
7731 case 0x5:
7732 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007733 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007734 return;
7735 }
7736 } else {
7737 switch (strap) {
7738 case 0x1:
7739 case 0x2:
7740 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007741 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007742 return;
7743 }
7744 }
7745}
7746
Michael Chan883e5152007-05-03 13:25:11 -07007747static void __devinit
7748bnx2_get_pci_speed(struct bnx2 *bp)
7749{
7750 u32 reg;
7751
7752 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7753 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7754 u32 clkreg;
7755
David S. Millerf86e82f2008-01-21 17:15:40 -08007756 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007757
7758 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7759
7760 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7761 switch (clkreg) {
7762 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7763 bp->bus_speed_mhz = 133;
7764 break;
7765
7766 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7767 bp->bus_speed_mhz = 100;
7768 break;
7769
7770 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7771 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7772 bp->bus_speed_mhz = 66;
7773 break;
7774
7775 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7776 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7777 bp->bus_speed_mhz = 50;
7778 break;
7779
7780 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7781 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7782 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7783 bp->bus_speed_mhz = 33;
7784 break;
7785 }
7786 }
7787 else {
7788 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7789 bp->bus_speed_mhz = 66;
7790 else
7791 bp->bus_speed_mhz = 33;
7792 }
7793
7794 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007795 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007796
7797}
7798
Michael Chan76d99062009-12-03 09:46:34 +00007799static void __devinit
7800bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7801{
Matt Carlsondf25bc32010-02-26 14:04:44 +00007802 int rc, i, j;
Michael Chan76d99062009-12-03 09:46:34 +00007803 u8 *data;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007804 unsigned int block_end, rosize, len;
Michael Chan76d99062009-12-03 09:46:34 +00007805
Michael Chan012093f2009-12-03 15:58:00 -08007806#define BNX2_VPD_NVRAM_OFFSET 0x300
7807#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00007808#define BNX2_MAX_VER_SLEN 30
7809
7810 data = kmalloc(256, GFP_KERNEL);
7811 if (!data)
7812 return;
7813
Michael Chan012093f2009-12-03 15:58:00 -08007814 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7815 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00007816 if (rc)
7817 goto vpd_done;
7818
Michael Chan012093f2009-12-03 15:58:00 -08007819 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7820 data[i] = data[i + BNX2_VPD_LEN + 3];
7821 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7822 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7823 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00007824 }
7825
Matt Carlsondf25bc32010-02-26 14:04:44 +00007826 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
7827 if (i < 0)
Michael Chan76d99062009-12-03 09:46:34 +00007828 goto vpd_done;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007829
7830 rosize = pci_vpd_lrdt_size(&data[i]);
7831 i += PCI_VPD_LRDT_TAG_SIZE;
7832 block_end = i + rosize;
7833
7834 if (block_end > BNX2_VPD_LEN)
7835 goto vpd_done;
7836
7837 j = pci_vpd_find_info_keyword(data, i, rosize,
7838 PCI_VPD_RO_KEYWORD_MFR_ID);
7839 if (j < 0)
7840 goto vpd_done;
7841
7842 len = pci_vpd_info_field_size(&data[j]);
7843
7844 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7845 if (j + len > block_end || len != 4 ||
7846 memcmp(&data[j], "1028", 4))
7847 goto vpd_done;
7848
7849 j = pci_vpd_find_info_keyword(data, i, rosize,
7850 PCI_VPD_RO_KEYWORD_VENDOR0);
7851 if (j < 0)
7852 goto vpd_done;
7853
7854 len = pci_vpd_info_field_size(&data[j]);
7855
7856 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7857 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
7858 goto vpd_done;
7859
7860 memcpy(bp->fw_version, &data[j], len);
7861 bp->fw_version[len] = ' ';
Michael Chan76d99062009-12-03 09:46:34 +00007862
7863vpd_done:
7864 kfree(data);
7865}
7866
Michael Chanb6016b72005-05-26 13:03:09 -07007867static int __devinit
7868bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7869{
7870 struct bnx2 *bp;
7871 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007872 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007873 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007874 u64 dma_mask, persist_dma_mask;
John Feeneycd709aa2010-08-22 17:45:53 +00007875 int err;
Michael Chanb6016b72005-05-26 13:03:09 -07007876
Michael Chanb6016b72005-05-26 13:03:09 -07007877 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007878 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007879
7880 bp->flags = 0;
7881 bp->phy_flags = 0;
7882
Michael Chan354fcd72010-01-17 07:30:44 +00007883 bp->temp_stats_blk =
7884 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
7885
7886 if (bp->temp_stats_blk == NULL) {
7887 rc = -ENOMEM;
7888 goto err_out;
7889 }
7890
Michael Chanb6016b72005-05-26 13:03:09 -07007891 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7892 rc = pci_enable_device(pdev);
7893 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007894 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007895 goto err_out;
7896 }
7897
7898 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007899 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007900 "Cannot find PCI device base address, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007901 rc = -ENODEV;
7902 goto err_out_disable;
7903 }
7904
7905 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7906 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007907 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007908 goto err_out_disable;
7909 }
7910
7911 pci_set_master(pdev);
7912
7913 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7914 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007915 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007916 "Cannot find power management capability, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007917 rc = -EIO;
7918 goto err_out_release;
7919 }
7920
Michael Chanb6016b72005-05-26 13:03:09 -07007921 bp->dev = dev;
7922 bp->pdev = pdev;
7923
7924 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007925 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00007926#ifdef BCM_CNIC
7927 mutex_init(&bp->cnic_lock);
7928#endif
David Howellsc4028952006-11-22 14:57:56 +00007929 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007930
7931 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan4edd4732009-06-08 18:14:42 -07007932 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007933 dev->mem_end = dev->mem_start + mem_len;
7934 dev->irq = pdev->irq;
7935
7936 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7937
7938 if (!bp->regview) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007939 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007940 rc = -ENOMEM;
7941 goto err_out_release;
7942 }
7943
Michael Chanbe7ff1a2010-11-24 13:48:55 +00007944 bnx2_set_power_state(bp, PCI_D0);
7945
Michael Chanb6016b72005-05-26 13:03:09 -07007946 /* Configure byte swap and enable write to the reg_window registers.
7947 * Rely on CPU to do target byte swapping on big endian systems
7948 * The chip's target access swapping will not swap all accesses
7949 */
Michael Chanbe7ff1a2010-11-24 13:48:55 +00007950 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG,
7951 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7952 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
Michael Chanb6016b72005-05-26 13:03:09 -07007953
7954 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7955
Michael Chan883e5152007-05-03 13:25:11 -07007956 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
7957 if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
7958 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007959 "Cannot find PCIE capability, aborting\n");
Michael Chan883e5152007-05-03 13:25:11 -07007960 rc = -EIO;
7961 goto err_out_unmap;
7962 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007963 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007964 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007965 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chanc239f272010-10-11 16:12:28 -07007966
7967 /* AER (Advanced Error Reporting) hooks */
7968 err = pci_enable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00007969 if (!err)
7970 bp->flags |= BNX2_FLAG_AER_ENABLED;
Michael Chanc239f272010-10-11 16:12:28 -07007971
Michael Chan883e5152007-05-03 13:25:11 -07007972 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007973 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7974 if (bp->pcix_cap == 0) {
7975 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007976 "Cannot find PCIX capability, aborting\n");
Michael Chan59b47d82006-11-19 14:10:45 -08007977 rc = -EIO;
7978 goto err_out_unmap;
7979 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00007980 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08007981 }
7982
Michael Chanb4b36042007-12-20 19:59:30 -08007983 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7984 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007985 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007986 }
7987
Michael Chan8e6a72c2007-05-03 13:24:48 -07007988 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7989 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007990 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007991 }
7992
Michael Chan40453c82007-05-03 13:19:18 -07007993 /* 5708 cannot support DMA addresses > 40-bit. */
7994 if (CHIP_NUM(bp) == CHIP_NUM_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07007995 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07007996 else
Yang Hongyang6a355282009-04-06 19:01:13 -07007997 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07007998
7999 /* Configure DMA attributes. */
8000 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
8001 dev->features |= NETIF_F_HIGHDMA;
8002 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
8003 if (rc) {
8004 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008005 "pci_set_consistent_dma_mask failed, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07008006 goto err_out_unmap;
8007 }
Yang Hongyang284901a2009-04-06 19:01:15 -07008008 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008009 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07008010 goto err_out_unmap;
8011 }
8012
David S. Millerf86e82f2008-01-21 17:15:40 -08008013 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07008014 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008015
8016 /* 5706A0 may falsely detect SERR and PERR. */
8017 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8018 reg = REG_RD(bp, PCI_COMMAND);
8019 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
8020 REG_WR(bp, PCI_COMMAND, reg);
8021 }
8022 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08008023 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07008024
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008025 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008026 "5706 A1 can only be used in a PCIX bus, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008027 goto err_out_unmap;
8028 }
8029
8030 bnx2_init_nvram(bp);
8031
Michael Chan2726d6e2008-01-29 21:35:05 -08008032 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08008033
8034 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08008035 BNX2_SHM_HDR_SIGNATURE_SIG) {
8036 u32 off = PCI_FUNC(pdev->devfn) << 2;
8037
Michael Chan2726d6e2008-01-29 21:35:05 -08008038 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08008039 } else
Michael Chane3648b32005-11-04 08:51:21 -08008040 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8041
Michael Chanb6016b72005-05-26 13:03:09 -07008042 /* Get the permanent MAC address. First we need to make sure the
8043 * firmware is actually running.
8044 */
Michael Chan2726d6e2008-01-29 21:35:05 -08008045 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07008046
8047 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8048 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008049 dev_err(&pdev->dev, "Firmware not running, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008050 rc = -ENODEV;
8051 goto err_out_unmap;
8052 }
8053
Michael Chan76d99062009-12-03 09:46:34 +00008054 bnx2_read_vpd_fw_ver(bp);
8055
8056 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08008057 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00008058 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07008059 u8 num, k, skip0;
8060
Michael Chan76d99062009-12-03 09:46:34 +00008061 if (i == 0) {
8062 bp->fw_version[j++] = 'b';
8063 bp->fw_version[j++] = 'c';
8064 bp->fw_version[j++] = ' ';
8065 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008066 num = (u8) (reg >> (24 - (i * 8)));
8067 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8068 if (num >= k || !skip0 || k == 1) {
8069 bp->fw_version[j++] = (num / k) + '0';
8070 skip0 = 0;
8071 }
8072 }
8073 if (i != 2)
8074 bp->fw_version[j++] = '.';
8075 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008076 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008077 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8078 bp->wol = 1;
8079
8080 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008081 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008082
8083 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008084 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008085 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8086 break;
8087 msleep(10);
8088 }
8089 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008090 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008091 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8092 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8093 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008094 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008095
Michael Chan76d99062009-12-03 09:46:34 +00008096 if (j < 32)
8097 bp->fw_version[j++] = ' ';
8098 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008099 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008100 reg = swab32(reg);
8101 memcpy(&bp->fw_version[j], &reg, 4);
8102 j += 4;
8103 }
8104 }
Michael Chanb6016b72005-05-26 13:03:09 -07008105
Michael Chan2726d6e2008-01-29 21:35:05 -08008106 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008107 bp->mac_addr[0] = (u8) (reg >> 8);
8108 bp->mac_addr[1] = (u8) reg;
8109
Michael Chan2726d6e2008-01-29 21:35:05 -08008110 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008111 bp->mac_addr[2] = (u8) (reg >> 24);
8112 bp->mac_addr[3] = (u8) (reg >> 16);
8113 bp->mac_addr[4] = (u8) (reg >> 8);
8114 bp->mac_addr[5] = (u8) reg;
8115
8116 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008117 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008118
8119 bp->rx_csum = 1;
8120
Michael Chancf7474a2009-08-21 16:20:48 +00008121 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008122 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008123 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008124 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008125
Michael Chancf7474a2009-08-21 16:20:48 +00008126 bp->rx_quick_cons_trip_int = 2;
8127 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008128 bp->rx_ticks_int = 18;
8129 bp->rx_ticks = 18;
8130
Michael Chan7ea69202007-07-16 18:27:10 -07008131 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008132
Benjamin Liac392ab2008-09-18 16:40:49 -07008133 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008134
Michael Chan5b0c76a2005-11-04 08:45:49 -08008135 bp->phy_addr = 1;
8136
Michael Chanb6016b72005-05-26 13:03:09 -07008137 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08008138 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8139 bnx2_get_5709_media(bp);
8140 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008141 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008142
Michael Chan0d8a6572007-07-07 22:49:43 -07008143 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008144 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008145 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008146 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008147 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008148 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008149 bp->wol = 0;
8150 }
Michael Chan38ea3682008-02-23 19:48:57 -08008151 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8152 /* Don't do parallel detect on this board because of
8153 * some board problems. The link will not go down
8154 * if we do parallel detect.
8155 */
8156 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8157 pdev->subsystem_device == 0x310c)
8158 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8159 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008160 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008161 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008162 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008163 }
Michael Chan261dd5c2007-01-08 19:55:46 -08008164 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8165 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008166 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08008167 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8168 (CHIP_REV(bp) == CHIP_REV_Ax ||
8169 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008170 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008171
Michael Chan7c62e832008-07-14 22:39:03 -07008172 bnx2_init_fw_cap(bp);
8173
Michael Chan16088272006-06-12 22:16:43 -07008174 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8175 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan5ec6d7b2008-11-12 16:01:41 -08008176 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8177 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008178 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008179 bp->wol = 0;
8180 }
Michael Chandda1e392006-01-23 16:08:14 -08008181
Michael Chanb6016b72005-05-26 13:03:09 -07008182 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8183 bp->tx_quick_cons_trip_int =
8184 bp->tx_quick_cons_trip;
8185 bp->tx_ticks_int = bp->tx_ticks;
8186 bp->rx_quick_cons_trip_int =
8187 bp->rx_quick_cons_trip;
8188 bp->rx_ticks_int = bp->rx_ticks;
8189 bp->comp_prod_trip_int = bp->comp_prod_trip;
8190 bp->com_ticks_int = bp->com_ticks;
8191 bp->cmd_ticks_int = bp->cmd_ticks;
8192 }
8193
Michael Chanf9317a42006-09-29 17:06:23 -07008194 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8195 *
8196 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8197 * with byte enables disabled on the unused 32-bit word. This is legal
8198 * but causes problems on the AMD 8132 which will eventually stop
8199 * responding after a while.
8200 *
8201 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008202 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008203 */
8204 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8205 struct pci_dev *amd_8132 = NULL;
8206
8207 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8208 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8209 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008210
Auke Kok44c10132007-06-08 15:46:36 -07008211 if (amd_8132->revision >= 0x10 &&
8212 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008213 disable_msi = 1;
8214 pci_dev_put(amd_8132);
8215 break;
8216 }
8217 }
8218 }
8219
Michael Chandeaf3912007-07-07 22:48:00 -07008220 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008221 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8222
Michael Chancd339a02005-08-25 15:35:24 -07008223 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008224 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008225 bp->timer.data = (unsigned long) bp;
8226 bp->timer.function = bnx2_timer;
8227
Michael Chanc239f272010-10-11 16:12:28 -07008228 pci_save_state(pdev);
8229
Michael Chanb6016b72005-05-26 13:03:09 -07008230 return 0;
8231
8232err_out_unmap:
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008233 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008234 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008235 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8236 }
Michael Chanc239f272010-10-11 16:12:28 -07008237
Michael Chanb6016b72005-05-26 13:03:09 -07008238 if (bp->regview) {
8239 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07008240 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008241 }
8242
8243err_out_release:
8244 pci_release_regions(pdev);
8245
8246err_out_disable:
8247 pci_disable_device(pdev);
8248 pci_set_drvdata(pdev, NULL);
8249
8250err_out:
8251 return rc;
8252}
8253
Michael Chan883e5152007-05-03 13:25:11 -07008254static char * __devinit
8255bnx2_bus_string(struct bnx2 *bp, char *str)
8256{
8257 char *s = str;
8258
David S. Millerf86e82f2008-01-21 17:15:40 -08008259 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008260 s += sprintf(s, "PCI Express");
8261 } else {
8262 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008263 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008264 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008265 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008266 s += sprintf(s, " 32-bit");
8267 else
8268 s += sprintf(s, " 64-bit");
8269 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8270 }
8271 return str;
8272}
8273
Michael Chanf048fa92010-06-01 15:05:36 +00008274static void
8275bnx2_del_napi(struct bnx2 *bp)
8276{
8277 int i;
8278
8279 for (i = 0; i < bp->irq_nvecs; i++)
8280 netif_napi_del(&bp->bnx2_napi[i].napi);
8281}
8282
8283static void
Michael Chan35efa7c2007-12-20 19:56:37 -08008284bnx2_init_napi(struct bnx2 *bp)
8285{
Michael Chanb4b36042007-12-20 19:59:30 -08008286 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008287
Benjamin Li4327ba42010-03-23 13:13:11 +00008288 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008289 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8290 int (*poll)(struct napi_struct *, int);
8291
8292 if (i == 0)
8293 poll = bnx2_poll;
8294 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008295 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008296
8297 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008298 bnapi->bp = bp;
8299 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008300}
8301
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008302static const struct net_device_ops bnx2_netdev_ops = {
8303 .ndo_open = bnx2_open,
8304 .ndo_start_xmit = bnx2_start_xmit,
8305 .ndo_stop = bnx2_close,
Eric Dumazet5d07bf22010-07-08 04:08:43 +00008306 .ndo_get_stats64 = bnx2_get_stats64,
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008307 .ndo_set_rx_mode = bnx2_set_rx_mode,
8308 .ndo_do_ioctl = bnx2_ioctl,
8309 .ndo_validate_addr = eth_validate_addr,
8310 .ndo_set_mac_address = bnx2_change_mac_addr,
8311 .ndo_change_mtu = bnx2_change_mtu,
8312 .ndo_tx_timeout = bnx2_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008313#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008314 .ndo_poll_controller = poll_bnx2,
8315#endif
8316};
8317
Eric Dumazet72dccb02009-07-23 02:01:38 +00008318static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
8319{
Eric Dumazet72dccb02009-07-23 02:01:38 +00008320 dev->vlan_features |= flags;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008321}
8322
Michael Chan35efa7c2007-12-20 19:56:37 -08008323static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07008324bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8325{
8326 static int version_printed = 0;
8327 struct net_device *dev = NULL;
8328 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008329 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008330 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008331
8332 if (version_printed++ == 0)
Joe Perches3a9c6a42010-02-17 15:01:51 +00008333 pr_info("%s", version);
Michael Chanb6016b72005-05-26 13:03:09 -07008334
8335 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008336 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008337
8338 if (!dev)
8339 return -ENOMEM;
8340
8341 rc = bnx2_init_board(pdev, dev);
8342 if (rc < 0) {
8343 free_netdev(dev);
8344 return rc;
8345 }
8346
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008347 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008348 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008349 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008350
Michael Chan972ec0d2006-01-23 16:12:43 -08008351 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008352
Michael Chan1b2f9222007-05-03 13:20:19 -07008353 pci_set_drvdata(pdev, dev);
8354
Michael Chan57579f72009-04-04 16:51:14 -07008355 rc = bnx2_request_firmware(bp);
8356 if (rc)
8357 goto error;
8358
Michael Chan1b2f9222007-05-03 13:20:19 -07008359 memcpy(dev->dev_addr, bp->mac_addr, 6);
8360 memcpy(dev->perm_addr, bp->mac_addr, 6);
Michael Chan1b2f9222007-05-03 13:20:19 -07008361
Michael Chanfdc85412010-07-03 20:42:16 +00008362 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO |
8363 NETIF_F_RXHASH;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008364 vlan_features_add(dev, NETIF_F_IP_CSUM | NETIF_F_SG);
8365 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Stephen Hemmingerd212f872007-06-27 00:47:37 -07008366 dev->features |= NETIF_F_IPV6_CSUM;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008367 vlan_features_add(dev, NETIF_F_IPV6_CSUM);
8368 }
Michael Chan1b2f9222007-05-03 13:20:19 -07008369 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
Michael Chan1b2f9222007-05-03 13:20:19 -07008370 dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008371 vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
8372 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Michael Chan4666f872007-05-03 13:22:28 -07008373 dev->features |= NETIF_F_TSO6;
Eric Dumazet72dccb02009-07-23 02:01:38 +00008374 vlan_features_add(dev, NETIF_F_TSO6);
8375 }
Michael Chanb6016b72005-05-26 13:03:09 -07008376 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008377 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008378 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008379 }
8380
Joe Perches3a9c6a42010-02-17 15:01:51 +00008381 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
8382 board_info[ent->driver_data].name,
8383 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8384 ((CHIP_ID(bp) & 0x0ff0) >> 4),
8385 bnx2_bus_string(bp, str),
8386 dev->base_addr,
8387 bp->pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008388
Michael Chanb6016b72005-05-26 13:03:09 -07008389 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008390
8391error:
8392 if (bp->mips_firmware)
8393 release_firmware(bp->mips_firmware);
8394 if (bp->rv2p_firmware)
8395 release_firmware(bp->rv2p_firmware);
8396
8397 if (bp->regview)
8398 iounmap(bp->regview);
8399 pci_release_regions(pdev);
8400 pci_disable_device(pdev);
8401 pci_set_drvdata(pdev, NULL);
8402 free_netdev(dev);
8403 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008404}
8405
8406static void __devexit
8407bnx2_remove_one(struct pci_dev *pdev)
8408{
8409 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008410 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008411
8412 unregister_netdev(dev);
8413
Michael Chan57579f72009-04-04 16:51:14 -07008414 if (bp->mips_firmware)
8415 release_firmware(bp->mips_firmware);
8416 if (bp->rv2p_firmware)
8417 release_firmware(bp->rv2p_firmware);
8418
Michael Chanb6016b72005-05-26 13:03:09 -07008419 if (bp->regview)
8420 iounmap(bp->regview);
8421
Michael Chan354fcd72010-01-17 07:30:44 +00008422 kfree(bp->temp_stats_blk);
8423
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008424 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008425 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008426 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8427 }
John Feeneycd709aa2010-08-22 17:45:53 +00008428
Michael Chanc239f272010-10-11 16:12:28 -07008429 free_netdev(dev);
John Feeneycd709aa2010-08-22 17:45:53 +00008430
Michael Chanb6016b72005-05-26 13:03:09 -07008431 pci_release_regions(pdev);
8432 pci_disable_device(pdev);
8433 pci_set_drvdata(pdev, NULL);
8434}
8435
8436static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07008437bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07008438{
8439 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008440 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008441
Michael Chan6caebb02007-08-03 20:57:25 -07008442 /* PCI register 4 needs to be saved whether netif_running() or not.
8443 * MSI address and data need to be saved if using MSI and
8444 * netif_running().
8445 */
8446 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008447 if (!netif_running(dev))
8448 return 0;
8449
Tejun Heo23f333a2010-12-12 16:45:14 +01008450 cancel_work_sync(&bp->reset_task);
Michael Chan212f9932010-04-27 11:28:10 +00008451 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008452 netif_device_detach(dev);
8453 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07008454 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008455 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07008456 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07008457 return 0;
8458}
8459
8460static int
8461bnx2_resume(struct pci_dev *pdev)
8462{
8463 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008464 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008465
Michael Chan6caebb02007-08-03 20:57:25 -07008466 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008467 if (!netif_running(dev))
8468 return 0;
8469
Pavel Machek829ca9a2005-09-03 15:56:56 -07008470 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008471 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07008472 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00008473 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008474 return 0;
8475}
8476
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008477/**
8478 * bnx2_io_error_detected - called when PCI error is detected
8479 * @pdev: Pointer to PCI device
8480 * @state: The current pci connection state
8481 *
8482 * This function is called after a PCI bus error affecting
8483 * this device has been detected.
8484 */
8485static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8486 pci_channel_state_t state)
8487{
8488 struct net_device *dev = pci_get_drvdata(pdev);
8489 struct bnx2 *bp = netdev_priv(dev);
8490
8491 rtnl_lock();
8492 netif_device_detach(dev);
8493
Dean Nelson2ec3de22009-07-31 09:13:18 +00008494 if (state == pci_channel_io_perm_failure) {
8495 rtnl_unlock();
8496 return PCI_ERS_RESULT_DISCONNECT;
8497 }
8498
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008499 if (netif_running(dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00008500 bnx2_netif_stop(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008501 del_timer_sync(&bp->timer);
8502 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8503 }
8504
8505 pci_disable_device(pdev);
8506 rtnl_unlock();
8507
8508 /* Request a slot slot reset. */
8509 return PCI_ERS_RESULT_NEED_RESET;
8510}
8511
8512/**
8513 * bnx2_io_slot_reset - called after the pci bus has been reset.
8514 * @pdev: Pointer to PCI device
8515 *
8516 * Restart the card from scratch, as if from a cold-boot.
8517 */
8518static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8519{
8520 struct net_device *dev = pci_get_drvdata(pdev);
8521 struct bnx2 *bp = netdev_priv(dev);
John Feeneycd709aa2010-08-22 17:45:53 +00008522 pci_ers_result_t result;
8523 int err;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008524
8525 rtnl_lock();
8526 if (pci_enable_device(pdev)) {
8527 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008528 "Cannot re-enable PCI device after reset\n");
John Feeneycd709aa2010-08-22 17:45:53 +00008529 result = PCI_ERS_RESULT_DISCONNECT;
8530 } else {
8531 pci_set_master(pdev);
8532 pci_restore_state(pdev);
8533 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008534
John Feeneycd709aa2010-08-22 17:45:53 +00008535 if (netif_running(dev)) {
8536 bnx2_set_power_state(bp, PCI_D0);
8537 bnx2_init_nic(bp, 1);
8538 }
8539 result = PCI_ERS_RESULT_RECOVERED;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008540 }
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008541 rtnl_unlock();
John Feeneycd709aa2010-08-22 17:45:53 +00008542
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008543 if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
Michael Chanc239f272010-10-11 16:12:28 -07008544 return result;
8545
John Feeneycd709aa2010-08-22 17:45:53 +00008546 err = pci_cleanup_aer_uncorrect_error_status(pdev);
8547 if (err) {
8548 dev_err(&pdev->dev,
8549 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
8550 err); /* non-fatal, continue */
8551 }
8552
8553 return result;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008554}
8555
8556/**
8557 * bnx2_io_resume - called when traffic can start flowing again.
8558 * @pdev: Pointer to PCI device
8559 *
8560 * This callback is called when the error recovery driver tells us that
8561 * its OK to resume normal operation.
8562 */
8563static void bnx2_io_resume(struct pci_dev *pdev)
8564{
8565 struct net_device *dev = pci_get_drvdata(pdev);
8566 struct bnx2 *bp = netdev_priv(dev);
8567
8568 rtnl_lock();
8569 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00008570 bnx2_netif_start(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008571
8572 netif_device_attach(dev);
8573 rtnl_unlock();
8574}
8575
8576static struct pci_error_handlers bnx2_err_handler = {
8577 .error_detected = bnx2_io_error_detected,
8578 .slot_reset = bnx2_io_slot_reset,
8579 .resume = bnx2_io_resume,
8580};
8581
Michael Chanb6016b72005-05-26 13:03:09 -07008582static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008583 .name = DRV_MODULE_NAME,
8584 .id_table = bnx2_pci_tbl,
8585 .probe = bnx2_init_one,
8586 .remove = __devexit_p(bnx2_remove_one),
8587 .suspend = bnx2_suspend,
8588 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008589 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07008590};
8591
8592static int __init bnx2_init(void)
8593{
Jeff Garzik29917622006-08-19 17:48:59 -04008594 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07008595}
8596
8597static void __exit bnx2_cleanup(void)
8598{
8599 pci_unregister_driver(&bnx2_pci_driver);
8600}
8601
8602module_init(bnx2_init);
8603module_exit(bnx2_cleanup);
8604
8605
8606