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Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chandc187cb2011-03-14 15:00:12 -07003 * Copyright (c) 2004-2011 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 Chandc187cb2011-03-14 15:00:12 -070059#define DRV_MODULE_VERSION "2.1.6"
60#define DRV_MODULE_RELDATE "Mar 7, 2011"
Michael Chan02681022010-12-31 11:04:02 -080061#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 Chandc187cb2011-03-14 15:00:12 -070063#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1a.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
Michael Chan7625eb22011-06-08 19:29:36 +0000419 if (!cp->max_iscsi_conn)
420 return NULL;
421
Michael Chan4edd4732009-06-08 18:14:42 -0700422 cp->drv_owner = THIS_MODULE;
423 cp->chip_id = bp->chip_id;
424 cp->pdev = bp->pdev;
425 cp->io_base = bp->regview;
426 cp->drv_ctl = bnx2_drv_ctl;
427 cp->drv_register_cnic = bnx2_register_cnic;
428 cp->drv_unregister_cnic = bnx2_unregister_cnic;
429
430 return cp;
431}
432EXPORT_SYMBOL(bnx2_cnic_probe);
433
434static void
435bnx2_cnic_stop(struct bnx2 *bp)
436{
437 struct cnic_ops *c_ops;
438 struct cnic_ctl_info info;
439
Michael Chanc5a88952009-08-14 15:49:45 +0000440 mutex_lock(&bp->cnic_lock);
Eric Dumazet13707f92011-01-26 19:28:23 +0000441 c_ops = rcu_dereference_protected(bp->cnic_ops,
442 lockdep_is_held(&bp->cnic_lock));
Michael Chan4edd4732009-06-08 18:14:42 -0700443 if (c_ops) {
444 info.cmd = CNIC_CTL_STOP_CMD;
445 c_ops->cnic_ctl(bp->cnic_data, &info);
446 }
Michael Chanc5a88952009-08-14 15:49:45 +0000447 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700448}
449
450static void
451bnx2_cnic_start(struct bnx2 *bp)
452{
453 struct cnic_ops *c_ops;
454 struct cnic_ctl_info info;
455
Michael Chanc5a88952009-08-14 15:49:45 +0000456 mutex_lock(&bp->cnic_lock);
Eric Dumazet13707f92011-01-26 19:28:23 +0000457 c_ops = rcu_dereference_protected(bp->cnic_ops,
458 lockdep_is_held(&bp->cnic_lock));
Michael Chan4edd4732009-06-08 18:14:42 -0700459 if (c_ops) {
460 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
461 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
462
463 bnapi->cnic_tag = bnapi->last_status_idx;
464 }
465 info.cmd = CNIC_CTL_START_CMD;
466 c_ops->cnic_ctl(bp->cnic_data, &info);
467 }
Michael Chanc5a88952009-08-14 15:49:45 +0000468 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700469}
470
471#else
472
473static void
474bnx2_cnic_stop(struct bnx2 *bp)
475{
476}
477
478static void
479bnx2_cnic_start(struct bnx2 *bp)
480{
481}
482
483#endif
484
Michael Chanb6016b72005-05-26 13:03:09 -0700485static int
486bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
487{
488 u32 val1;
489 int i, ret;
490
Michael Chan583c28e2008-01-21 19:51:35 -0800491 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700492 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
493 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
494
495 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
496 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
497
498 udelay(40);
499 }
500
501 val1 = (bp->phy_addr << 21) | (reg << 16) |
502 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
503 BNX2_EMAC_MDIO_COMM_START_BUSY;
504 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
505
506 for (i = 0; i < 50; i++) {
507 udelay(10);
508
509 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
510 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
511 udelay(5);
512
513 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
514 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
515
516 break;
517 }
518 }
519
520 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
521 *val = 0x0;
522 ret = -EBUSY;
523 }
524 else {
525 *val = val1;
526 ret = 0;
527 }
528
Michael Chan583c28e2008-01-21 19:51:35 -0800529 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700530 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
531 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
532
533 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
534 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
535
536 udelay(40);
537 }
538
539 return ret;
540}
541
542static int
543bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
544{
545 u32 val1;
546 int i, ret;
547
Michael Chan583c28e2008-01-21 19:51:35 -0800548 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700549 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
550 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
551
552 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
553 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
554
555 udelay(40);
556 }
557
558 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
559 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
560 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
561 REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400562
Michael Chanb6016b72005-05-26 13:03:09 -0700563 for (i = 0; i < 50; i++) {
564 udelay(10);
565
566 val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
567 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
568 udelay(5);
569 break;
570 }
571 }
572
573 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
574 ret = -EBUSY;
575 else
576 ret = 0;
577
Michael Chan583c28e2008-01-21 19:51:35 -0800578 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chanb6016b72005-05-26 13:03:09 -0700579 val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
580 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
581
582 REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
583 REG_RD(bp, BNX2_EMAC_MDIO_MODE);
584
585 udelay(40);
586 }
587
588 return ret;
589}
590
591static void
592bnx2_disable_int(struct bnx2 *bp)
593{
Michael Chanb4b36042007-12-20 19:59:30 -0800594 int i;
595 struct bnx2_napi *bnapi;
596
597 for (i = 0; i < bp->irq_nvecs; i++) {
598 bnapi = &bp->bnx2_napi[i];
599 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
600 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
601 }
Michael Chanb6016b72005-05-26 13:03:09 -0700602 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
603}
604
605static void
606bnx2_enable_int(struct bnx2 *bp)
607{
Michael Chanb4b36042007-12-20 19:59:30 -0800608 int i;
609 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800610
Michael Chanb4b36042007-12-20 19:59:30 -0800611 for (i = 0; i < bp->irq_nvecs; i++) {
612 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800613
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 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
617 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700618
Michael Chanb4b36042007-12-20 19:59:30 -0800619 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
620 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
621 bnapi->last_status_idx);
622 }
Michael Chanbf5295b2006-03-23 01:11:56 -0800623 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700624}
625
626static void
627bnx2_disable_int_sync(struct bnx2 *bp)
628{
Michael Chanb4b36042007-12-20 19:59:30 -0800629 int i;
630
Michael Chanb6016b72005-05-26 13:03:09 -0700631 atomic_inc(&bp->intr_sem);
Michael Chan37675462009-08-21 16:20:44 +0000632 if (!netif_running(bp->dev))
633 return;
634
Michael Chanb6016b72005-05-26 13:03:09 -0700635 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800636 for (i = 0; i < bp->irq_nvecs; i++)
637 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700638}
639
640static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800641bnx2_napi_disable(struct bnx2 *bp)
642{
Michael Chanb4b36042007-12-20 19:59:30 -0800643 int i;
644
645 for (i = 0; i < bp->irq_nvecs; i++)
646 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800647}
648
649static void
650bnx2_napi_enable(struct bnx2 *bp)
651{
Michael Chanb4b36042007-12-20 19:59:30 -0800652 int i;
653
654 for (i = 0; i < bp->irq_nvecs; i++)
655 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800656}
657
658static void
Michael Chan212f9932010-04-27 11:28:10 +0000659bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700660{
Michael Chan212f9932010-04-27 11:28:10 +0000661 if (stop_cnic)
662 bnx2_cnic_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700663 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800664 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700665 netif_tx_disable(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -0700666 }
Michael Chanb7466562009-12-20 18:40:18 -0800667 bnx2_disable_int_sync(bp);
Michael Chana0ba6762010-05-17 17:34:43 -0700668 netif_carrier_off(bp->dev); /* prevent tx timeout */
Michael Chanb6016b72005-05-26 13:03:09 -0700669}
670
671static void
Michael Chan212f9932010-04-27 11:28:10 +0000672bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700673{
674 if (atomic_dec_and_test(&bp->intr_sem)) {
675 if (netif_running(bp->dev)) {
Benjamin Li706bf242008-07-18 17:55:11 -0700676 netif_tx_wake_all_queues(bp->dev);
Michael Chana0ba6762010-05-17 17:34:43 -0700677 spin_lock_bh(&bp->phy_lock);
678 if (bp->link_up)
679 netif_carrier_on(bp->dev);
680 spin_unlock_bh(&bp->phy_lock);
Michael Chan35efa7c2007-12-20 19:56:37 -0800681 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700682 bnx2_enable_int(bp);
Michael Chan212f9932010-04-27 11:28:10 +0000683 if (start_cnic)
684 bnx2_cnic_start(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700685 }
686 }
687}
688
689static void
Michael Chan35e90102008-06-19 16:37:42 -0700690bnx2_free_tx_mem(struct bnx2 *bp)
691{
692 int i;
693
694 for (i = 0; i < bp->num_tx_rings; i++) {
695 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
696 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
697
698 if (txr->tx_desc_ring) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000699 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
700 txr->tx_desc_ring,
701 txr->tx_desc_mapping);
Michael Chan35e90102008-06-19 16:37:42 -0700702 txr->tx_desc_ring = NULL;
703 }
704 kfree(txr->tx_buf_ring);
705 txr->tx_buf_ring = NULL;
706 }
707}
708
Michael Chanbb4f98a2008-06-19 16:38:19 -0700709static void
710bnx2_free_rx_mem(struct bnx2 *bp)
711{
712 int i;
713
714 for (i = 0; i < bp->num_rx_rings; i++) {
715 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
716 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
717 int j;
718
719 for (j = 0; j < bp->rx_max_ring; j++) {
720 if (rxr->rx_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000721 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
722 rxr->rx_desc_ring[j],
723 rxr->rx_desc_mapping[j]);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700724 rxr->rx_desc_ring[j] = NULL;
725 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000726 vfree(rxr->rx_buf_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700727 rxr->rx_buf_ring = NULL;
728
729 for (j = 0; j < bp->rx_max_pg_ring; j++) {
730 if (rxr->rx_pg_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000731 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
732 rxr->rx_pg_desc_ring[j],
733 rxr->rx_pg_desc_mapping[j]);
Michael Chan3298a732008-12-17 19:06:08 -0800734 rxr->rx_pg_desc_ring[j] = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -0700735 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000736 vfree(rxr->rx_pg_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700737 rxr->rx_pg_ring = NULL;
738 }
739}
740
Michael Chan35e90102008-06-19 16:37:42 -0700741static int
742bnx2_alloc_tx_mem(struct bnx2 *bp)
743{
744 int i;
745
746 for (i = 0; i < bp->num_tx_rings; i++) {
747 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
748 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
749
750 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
751 if (txr->tx_buf_ring == NULL)
752 return -ENOMEM;
753
754 txr->tx_desc_ring =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000755 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
756 &txr->tx_desc_mapping, GFP_KERNEL);
Michael Chan35e90102008-06-19 16:37:42 -0700757 if (txr->tx_desc_ring == NULL)
758 return -ENOMEM;
759 }
760 return 0;
761}
762
Michael Chanbb4f98a2008-06-19 16:38:19 -0700763static int
764bnx2_alloc_rx_mem(struct bnx2 *bp)
765{
766 int i;
767
768 for (i = 0; i < bp->num_rx_rings; i++) {
769 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
770 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
771 int j;
772
773 rxr->rx_buf_ring =
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000774 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700775 if (rxr->rx_buf_ring == NULL)
776 return -ENOMEM;
777
Michael Chanbb4f98a2008-06-19 16:38:19 -0700778 for (j = 0; j < bp->rx_max_ring; j++) {
779 rxr->rx_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000780 dma_alloc_coherent(&bp->pdev->dev,
781 RXBD_RING_SIZE,
782 &rxr->rx_desc_mapping[j],
783 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700784 if (rxr->rx_desc_ring[j] == NULL)
785 return -ENOMEM;
786
787 }
788
789 if (bp->rx_pg_ring_size) {
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000790 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
Michael Chanbb4f98a2008-06-19 16:38:19 -0700791 bp->rx_max_pg_ring);
792 if (rxr->rx_pg_ring == NULL)
793 return -ENOMEM;
794
Michael Chanbb4f98a2008-06-19 16:38:19 -0700795 }
796
797 for (j = 0; j < bp->rx_max_pg_ring; j++) {
798 rxr->rx_pg_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000799 dma_alloc_coherent(&bp->pdev->dev,
800 RXBD_RING_SIZE,
801 &rxr->rx_pg_desc_mapping[j],
802 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700803 if (rxr->rx_pg_desc_ring[j] == NULL)
804 return -ENOMEM;
805
806 }
807 }
808 return 0;
809}
810
Michael Chan35e90102008-06-19 16:37:42 -0700811static void
Michael Chanb6016b72005-05-26 13:03:09 -0700812bnx2_free_mem(struct bnx2 *bp)
813{
Michael Chan13daffa2006-03-20 17:49:20 -0800814 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700815 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800816
Michael Chan35e90102008-06-19 16:37:42 -0700817 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700818 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700819
Michael Chan59b47d82006-11-19 14:10:45 -0800820 for (i = 0; i < bp->ctx_pages; i++) {
821 if (bp->ctx_blk[i]) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000822 dma_free_coherent(&bp->pdev->dev, BCM_PAGE_SIZE,
823 bp->ctx_blk[i],
824 bp->ctx_blk_mapping[i]);
Michael Chan59b47d82006-11-19 14:10:45 -0800825 bp->ctx_blk[i] = NULL;
826 }
827 }
Michael Chan43e80b82008-06-19 16:41:08 -0700828 if (bnapi->status_blk.msi) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000829 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
830 bnapi->status_blk.msi,
831 bp->status_blk_mapping);
Michael Chan43e80b82008-06-19 16:41:08 -0700832 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800833 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700834 }
Michael Chanb6016b72005-05-26 13:03:09 -0700835}
836
837static int
838bnx2_alloc_mem(struct bnx2 *bp)
839{
Michael Chan35e90102008-06-19 16:37:42 -0700840 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700841 struct bnx2_napi *bnapi;
842 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700843
Michael Chan0f31f992006-03-23 01:12:38 -0800844 /* Combine status and statistics blocks into one allocation. */
845 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800846 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800847 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
848 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800849 bp->status_stats_size = status_blk_size +
850 sizeof(struct statistics_block);
851
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000852 status_blk = dma_alloc_coherent(&bp->pdev->dev, bp->status_stats_size,
853 &bp->status_blk_mapping, GFP_KERNEL);
Michael Chan43e80b82008-06-19 16:41:08 -0700854 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700855 goto alloc_mem_err;
856
Michael Chan43e80b82008-06-19 16:41:08 -0700857 memset(status_blk, 0, bp->status_stats_size);
Michael Chanb6016b72005-05-26 13:03:09 -0700858
Michael Chan43e80b82008-06-19 16:41:08 -0700859 bnapi = &bp->bnx2_napi[0];
860 bnapi->status_blk.msi = status_blk;
861 bnapi->hw_tx_cons_ptr =
862 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
863 bnapi->hw_rx_cons_ptr =
864 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800865 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chan379b39a2010-07-19 14:15:03 +0000866 for (i = 1; i < bp->irq_nvecs; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700867 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800868
Michael Chan43e80b82008-06-19 16:41:08 -0700869 bnapi = &bp->bnx2_napi[i];
870
871 sblk = (void *) (status_blk +
872 BNX2_SBLK_MSIX_ALIGN_SIZE * i);
873 bnapi->status_blk.msix = sblk;
874 bnapi->hw_tx_cons_ptr =
875 &sblk->status_tx_quick_consumer_index;
876 bnapi->hw_rx_cons_ptr =
877 &sblk->status_rx_quick_consumer_index;
Michael Chanb4b36042007-12-20 19:59:30 -0800878 bnapi->int_num = i << 24;
879 }
880 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800881
Michael Chan43e80b82008-06-19 16:41:08 -0700882 bp->stats_blk = status_blk + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700883
Michael Chan0f31f992006-03-23 01:12:38 -0800884 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700885
Michael Chan59b47d82006-11-19 14:10:45 -0800886 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
887 bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
888 if (bp->ctx_pages == 0)
889 bp->ctx_pages = 1;
890 for (i = 0; i < bp->ctx_pages; i++) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000891 bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
Michael Chan59b47d82006-11-19 14:10:45 -0800892 BCM_PAGE_SIZE,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000893 &bp->ctx_blk_mapping[i],
894 GFP_KERNEL);
Michael Chan59b47d82006-11-19 14:10:45 -0800895 if (bp->ctx_blk[i] == NULL)
896 goto alloc_mem_err;
897 }
898 }
Michael Chan35e90102008-06-19 16:37:42 -0700899
Michael Chanbb4f98a2008-06-19 16:38:19 -0700900 err = bnx2_alloc_rx_mem(bp);
901 if (err)
902 goto alloc_mem_err;
903
Michael Chan35e90102008-06-19 16:37:42 -0700904 err = bnx2_alloc_tx_mem(bp);
905 if (err)
906 goto alloc_mem_err;
907
Michael Chanb6016b72005-05-26 13:03:09 -0700908 return 0;
909
910alloc_mem_err:
911 bnx2_free_mem(bp);
912 return -ENOMEM;
913}
914
915static void
Michael Chane3648b32005-11-04 08:51:21 -0800916bnx2_report_fw_link(struct bnx2 *bp)
917{
918 u32 fw_link_status = 0;
919
Michael Chan583c28e2008-01-21 19:51:35 -0800920 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700921 return;
922
Michael Chane3648b32005-11-04 08:51:21 -0800923 if (bp->link_up) {
924 u32 bmsr;
925
926 switch (bp->line_speed) {
927 case SPEED_10:
928 if (bp->duplex == DUPLEX_HALF)
929 fw_link_status = BNX2_LINK_STATUS_10HALF;
930 else
931 fw_link_status = BNX2_LINK_STATUS_10FULL;
932 break;
933 case SPEED_100:
934 if (bp->duplex == DUPLEX_HALF)
935 fw_link_status = BNX2_LINK_STATUS_100HALF;
936 else
937 fw_link_status = BNX2_LINK_STATUS_100FULL;
938 break;
939 case SPEED_1000:
940 if (bp->duplex == DUPLEX_HALF)
941 fw_link_status = BNX2_LINK_STATUS_1000HALF;
942 else
943 fw_link_status = BNX2_LINK_STATUS_1000FULL;
944 break;
945 case SPEED_2500:
946 if (bp->duplex == DUPLEX_HALF)
947 fw_link_status = BNX2_LINK_STATUS_2500HALF;
948 else
949 fw_link_status = BNX2_LINK_STATUS_2500FULL;
950 break;
951 }
952
953 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
954
955 if (bp->autoneg) {
956 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
957
Michael Chanca58c3a2007-05-03 13:22:52 -0700958 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
959 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800960
961 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800962 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800963 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
964 else
965 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
966 }
967 }
968 else
969 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
970
Michael Chan2726d6e2008-01-29 21:35:05 -0800971 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800972}
973
Michael Chan9b1084b2007-07-07 22:50:37 -0700974static char *
975bnx2_xceiver_str(struct bnx2 *bp)
976{
Eric Dumazet807540b2010-09-23 05:40:09 +0000977 return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800978 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Eric Dumazet807540b2010-09-23 05:40:09 +0000979 "Copper");
Michael Chan9b1084b2007-07-07 22:50:37 -0700980}
981
Michael Chane3648b32005-11-04 08:51:21 -0800982static void
Michael Chanb6016b72005-05-26 13:03:09 -0700983bnx2_report_link(struct bnx2 *bp)
984{
985 if (bp->link_up) {
986 netif_carrier_on(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +0000987 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
988 bnx2_xceiver_str(bp),
989 bp->line_speed,
990 bp->duplex == DUPLEX_FULL ? "full" : "half");
Michael Chanb6016b72005-05-26 13:03:09 -0700991
992 if (bp->flow_ctrl) {
993 if (bp->flow_ctrl & FLOW_CTRL_RX) {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000994 pr_cont(", receive ");
Michael Chanb6016b72005-05-26 13:03:09 -0700995 if (bp->flow_ctrl & FLOW_CTRL_TX)
Joe Perches3a9c6a42010-02-17 15:01:51 +0000996 pr_cont("& transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -0700997 }
998 else {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000999 pr_cont(", transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -07001000 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00001001 pr_cont("flow control ON");
Michael Chanb6016b72005-05-26 13:03:09 -07001002 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00001003 pr_cont("\n");
1004 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07001005 netif_carrier_off(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +00001006 netdev_err(bp->dev, "NIC %s Link is Down\n",
1007 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -07001008 }
Michael Chane3648b32005-11-04 08:51:21 -08001009
1010 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001011}
1012
1013static void
1014bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1015{
1016 u32 local_adv, remote_adv;
1017
1018 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001019 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -07001020 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1021
1022 if (bp->duplex == DUPLEX_FULL) {
1023 bp->flow_ctrl = bp->req_flow_ctrl;
1024 }
1025 return;
1026 }
1027
1028 if (bp->duplex != DUPLEX_FULL) {
1029 return;
1030 }
1031
Michael Chan583c28e2008-01-21 19:51:35 -08001032 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan5b0c76a2005-11-04 08:45:49 -08001033 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
1034 u32 val;
1035
1036 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1037 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1038 bp->flow_ctrl |= FLOW_CTRL_TX;
1039 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1040 bp->flow_ctrl |= FLOW_CTRL_RX;
1041 return;
1042 }
1043
Michael Chanca58c3a2007-05-03 13:22:52 -07001044 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1045 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001046
Michael Chan583c28e2008-01-21 19:51:35 -08001047 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001048 u32 new_local_adv = 0;
1049 u32 new_remote_adv = 0;
1050
1051 if (local_adv & ADVERTISE_1000XPAUSE)
1052 new_local_adv |= ADVERTISE_PAUSE_CAP;
1053 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1054 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1055 if (remote_adv & ADVERTISE_1000XPAUSE)
1056 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1057 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1058 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1059
1060 local_adv = new_local_adv;
1061 remote_adv = new_remote_adv;
1062 }
1063
1064 /* See Table 28B-3 of 802.3ab-1999 spec. */
1065 if (local_adv & ADVERTISE_PAUSE_CAP) {
1066 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1067 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1068 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1069 }
1070 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1071 bp->flow_ctrl = FLOW_CTRL_RX;
1072 }
1073 }
1074 else {
1075 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1076 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1077 }
1078 }
1079 }
1080 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1081 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1082 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1083
1084 bp->flow_ctrl = FLOW_CTRL_TX;
1085 }
1086 }
1087}
1088
1089static int
Michael Chan27a005b2007-05-03 13:23:41 -07001090bnx2_5709s_linkup(struct bnx2 *bp)
1091{
1092 u32 val, speed;
1093
1094 bp->link_up = 1;
1095
1096 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1097 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1098 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1099
1100 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1101 bp->line_speed = bp->req_line_speed;
1102 bp->duplex = bp->req_duplex;
1103 return 0;
1104 }
1105 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1106 switch (speed) {
1107 case MII_BNX2_GP_TOP_AN_SPEED_10:
1108 bp->line_speed = SPEED_10;
1109 break;
1110 case MII_BNX2_GP_TOP_AN_SPEED_100:
1111 bp->line_speed = SPEED_100;
1112 break;
1113 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1114 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1115 bp->line_speed = SPEED_1000;
1116 break;
1117 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1118 bp->line_speed = SPEED_2500;
1119 break;
1120 }
1121 if (val & MII_BNX2_GP_TOP_AN_FD)
1122 bp->duplex = DUPLEX_FULL;
1123 else
1124 bp->duplex = DUPLEX_HALF;
1125 return 0;
1126}
1127
1128static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001129bnx2_5708s_linkup(struct bnx2 *bp)
1130{
1131 u32 val;
1132
1133 bp->link_up = 1;
1134 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1135 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1136 case BCM5708S_1000X_STAT1_SPEED_10:
1137 bp->line_speed = SPEED_10;
1138 break;
1139 case BCM5708S_1000X_STAT1_SPEED_100:
1140 bp->line_speed = SPEED_100;
1141 break;
1142 case BCM5708S_1000X_STAT1_SPEED_1G:
1143 bp->line_speed = SPEED_1000;
1144 break;
1145 case BCM5708S_1000X_STAT1_SPEED_2G5:
1146 bp->line_speed = SPEED_2500;
1147 break;
1148 }
1149 if (val & BCM5708S_1000X_STAT1_FD)
1150 bp->duplex = DUPLEX_FULL;
1151 else
1152 bp->duplex = DUPLEX_HALF;
1153
1154 return 0;
1155}
1156
1157static int
1158bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001159{
1160 u32 bmcr, local_adv, remote_adv, common;
1161
1162 bp->link_up = 1;
1163 bp->line_speed = SPEED_1000;
1164
Michael Chanca58c3a2007-05-03 13:22:52 -07001165 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001166 if (bmcr & BMCR_FULLDPLX) {
1167 bp->duplex = DUPLEX_FULL;
1168 }
1169 else {
1170 bp->duplex = DUPLEX_HALF;
1171 }
1172
1173 if (!(bmcr & BMCR_ANENABLE)) {
1174 return 0;
1175 }
1176
Michael Chanca58c3a2007-05-03 13:22:52 -07001177 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1178 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001179
1180 common = local_adv & remote_adv;
1181 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1182
1183 if (common & ADVERTISE_1000XFULL) {
1184 bp->duplex = DUPLEX_FULL;
1185 }
1186 else {
1187 bp->duplex = DUPLEX_HALF;
1188 }
1189 }
1190
1191 return 0;
1192}
1193
1194static int
1195bnx2_copper_linkup(struct bnx2 *bp)
1196{
1197 u32 bmcr;
1198
Michael Chanca58c3a2007-05-03 13:22:52 -07001199 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001200 if (bmcr & BMCR_ANENABLE) {
1201 u32 local_adv, remote_adv, common;
1202
1203 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1204 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1205
1206 common = local_adv & (remote_adv >> 2);
1207 if (common & ADVERTISE_1000FULL) {
1208 bp->line_speed = SPEED_1000;
1209 bp->duplex = DUPLEX_FULL;
1210 }
1211 else if (common & ADVERTISE_1000HALF) {
1212 bp->line_speed = SPEED_1000;
1213 bp->duplex = DUPLEX_HALF;
1214 }
1215 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001216 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1217 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001218
1219 common = local_adv & remote_adv;
1220 if (common & ADVERTISE_100FULL) {
1221 bp->line_speed = SPEED_100;
1222 bp->duplex = DUPLEX_FULL;
1223 }
1224 else if (common & ADVERTISE_100HALF) {
1225 bp->line_speed = SPEED_100;
1226 bp->duplex = DUPLEX_HALF;
1227 }
1228 else if (common & ADVERTISE_10FULL) {
1229 bp->line_speed = SPEED_10;
1230 bp->duplex = DUPLEX_FULL;
1231 }
1232 else if (common & ADVERTISE_10HALF) {
1233 bp->line_speed = SPEED_10;
1234 bp->duplex = DUPLEX_HALF;
1235 }
1236 else {
1237 bp->line_speed = 0;
1238 bp->link_up = 0;
1239 }
1240 }
1241 }
1242 else {
1243 if (bmcr & BMCR_SPEED100) {
1244 bp->line_speed = SPEED_100;
1245 }
1246 else {
1247 bp->line_speed = SPEED_10;
1248 }
1249 if (bmcr & BMCR_FULLDPLX) {
1250 bp->duplex = DUPLEX_FULL;
1251 }
1252 else {
1253 bp->duplex = DUPLEX_HALF;
1254 }
1255 }
1256
1257 return 0;
1258}
1259
Michael Chan83e3fc82008-01-29 21:37:17 -08001260static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001261bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001262{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001263 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001264
1265 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1266 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1267 val |= 0x02 << 8;
1268
Michael Chan22fa1592010-10-11 16:12:00 -07001269 if (bp->flow_ctrl & FLOW_CTRL_TX)
1270 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
Michael Chan83e3fc82008-01-29 21:37:17 -08001271
Michael Chan83e3fc82008-01-29 21:37:17 -08001272 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1273}
1274
Michael Chanbb4f98a2008-06-19 16:38:19 -07001275static void
1276bnx2_init_all_rx_contexts(struct bnx2 *bp)
1277{
1278 int i;
1279 u32 cid;
1280
1281 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1282 if (i == 1)
1283 cid = RX_RSS_CID;
1284 bnx2_init_rx_context(bp, cid);
1285 }
1286}
1287
Benjamin Li344478d2008-09-18 16:38:24 -07001288static void
Michael Chanb6016b72005-05-26 13:03:09 -07001289bnx2_set_mac_link(struct bnx2 *bp)
1290{
1291 u32 val;
1292
1293 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
1294 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1295 (bp->duplex == DUPLEX_HALF)) {
1296 REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
1297 }
1298
1299 /* Configure the EMAC mode register. */
1300 val = REG_RD(bp, BNX2_EMAC_MODE);
1301
1302 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001303 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001304 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001305
1306 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001307 switch (bp->line_speed) {
1308 case SPEED_10:
Michael Chan59b47d82006-11-19 14:10:45 -08001309 if (CHIP_NUM(bp) != CHIP_NUM_5706) {
1310 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001311 break;
1312 }
1313 /* fall through */
1314 case SPEED_100:
1315 val |= BNX2_EMAC_MODE_PORT_MII;
1316 break;
1317 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001318 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001319 /* fall through */
1320 case SPEED_1000:
1321 val |= BNX2_EMAC_MODE_PORT_GMII;
1322 break;
1323 }
Michael Chanb6016b72005-05-26 13:03:09 -07001324 }
1325 else {
1326 val |= BNX2_EMAC_MODE_PORT_GMII;
1327 }
1328
1329 /* Set the MAC to operate in the appropriate duplex mode. */
1330 if (bp->duplex == DUPLEX_HALF)
1331 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
1332 REG_WR(bp, BNX2_EMAC_MODE, val);
1333
1334 /* Enable/disable rx PAUSE. */
1335 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1336
1337 if (bp->flow_ctrl & FLOW_CTRL_RX)
1338 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
1339 REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
1340
1341 /* Enable/disable tx PAUSE. */
1342 val = REG_RD(bp, BNX2_EMAC_TX_MODE);
1343 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1344
1345 if (bp->flow_ctrl & FLOW_CTRL_TX)
1346 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
1347 REG_WR(bp, BNX2_EMAC_TX_MODE, val);
1348
1349 /* Acknowledge the interrupt. */
1350 REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
1351
Michael Chan22fa1592010-10-11 16:12:00 -07001352 bnx2_init_all_rx_contexts(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001353}
1354
Michael Chan27a005b2007-05-03 13:23:41 -07001355static void
1356bnx2_enable_bmsr1(struct bnx2 *bp)
1357{
Michael Chan583c28e2008-01-21 19:51:35 -08001358 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001359 (CHIP_NUM(bp) == CHIP_NUM_5709))
1360 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1361 MII_BNX2_BLK_ADDR_GP_STATUS);
1362}
1363
1364static void
1365bnx2_disable_bmsr1(struct bnx2 *bp)
1366{
Michael Chan583c28e2008-01-21 19:51:35 -08001367 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan27a005b2007-05-03 13:23:41 -07001368 (CHIP_NUM(bp) == CHIP_NUM_5709))
1369 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1370 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1371}
1372
Michael Chanb6016b72005-05-26 13:03:09 -07001373static int
Michael Chan605a9e22007-05-03 13:23:13 -07001374bnx2_test_and_enable_2g5(struct bnx2 *bp)
1375{
1376 u32 up1;
1377 int ret = 1;
1378
Michael Chan583c28e2008-01-21 19:51:35 -08001379 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001380 return 0;
1381
1382 if (bp->autoneg & AUTONEG_SPEED)
1383 bp->advertising |= ADVERTISED_2500baseX_Full;
1384
Michael Chan27a005b2007-05-03 13:23:41 -07001385 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1386 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1387
Michael Chan605a9e22007-05-03 13:23:13 -07001388 bnx2_read_phy(bp, bp->mii_up1, &up1);
1389 if (!(up1 & BCM5708S_UP1_2G5)) {
1390 up1 |= BCM5708S_UP1_2G5;
1391 bnx2_write_phy(bp, bp->mii_up1, up1);
1392 ret = 0;
1393 }
1394
Michael Chan27a005b2007-05-03 13:23:41 -07001395 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1396 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1397 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1398
Michael Chan605a9e22007-05-03 13:23:13 -07001399 return ret;
1400}
1401
1402static int
1403bnx2_test_and_disable_2g5(struct bnx2 *bp)
1404{
1405 u32 up1;
1406 int ret = 0;
1407
Michael Chan583c28e2008-01-21 19:51:35 -08001408 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001409 return 0;
1410
Michael Chan27a005b2007-05-03 13:23:41 -07001411 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1412 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1413
Michael Chan605a9e22007-05-03 13:23:13 -07001414 bnx2_read_phy(bp, bp->mii_up1, &up1);
1415 if (up1 & BCM5708S_UP1_2G5) {
1416 up1 &= ~BCM5708S_UP1_2G5;
1417 bnx2_write_phy(bp, bp->mii_up1, up1);
1418 ret = 1;
1419 }
1420
Michael Chan27a005b2007-05-03 13:23:41 -07001421 if (CHIP_NUM(bp) == CHIP_NUM_5709)
1422 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1423 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1424
Michael Chan605a9e22007-05-03 13:23:13 -07001425 return ret;
1426}
1427
1428static void
1429bnx2_enable_forced_2g5(struct bnx2 *bp)
1430{
Michael Chancbd68902010-06-08 07:21:30 +00001431 u32 uninitialized_var(bmcr);
1432 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001433
Michael Chan583c28e2008-01-21 19:51:35 -08001434 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001435 return;
1436
Michael Chan27a005b2007-05-03 13:23:41 -07001437 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1438 u32 val;
1439
1440 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1441 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001442 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1443 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1444 val |= MII_BNX2_SD_MISC1_FORCE |
1445 MII_BNX2_SD_MISC1_FORCE_2_5G;
1446 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1447 }
Michael Chan27a005b2007-05-03 13:23:41 -07001448
1449 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1450 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001451 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001452
1453 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001454 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1455 if (!err)
1456 bmcr |= BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc70798572009-11-02 23:17:42 +00001457 } else {
1458 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001459 }
1460
Michael Chancbd68902010-06-08 07:21:30 +00001461 if (err)
1462 return;
1463
Michael Chan605a9e22007-05-03 13:23:13 -07001464 if (bp->autoneg & AUTONEG_SPEED) {
1465 bmcr &= ~BMCR_ANENABLE;
1466 if (bp->req_duplex == DUPLEX_FULL)
1467 bmcr |= BMCR_FULLDPLX;
1468 }
1469 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1470}
1471
1472static void
1473bnx2_disable_forced_2g5(struct bnx2 *bp)
1474{
Michael Chancbd68902010-06-08 07:21:30 +00001475 u32 uninitialized_var(bmcr);
1476 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001477
Michael Chan583c28e2008-01-21 19:51:35 -08001478 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001479 return;
1480
Michael Chan27a005b2007-05-03 13:23:41 -07001481 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1482 u32 val;
1483
1484 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1485 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001486 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1487 val &= ~MII_BNX2_SD_MISC1_FORCE;
1488 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1489 }
Michael Chan27a005b2007-05-03 13:23:41 -07001490
1491 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1492 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001493 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001494
1495 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001496 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1497 if (!err)
1498 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc70798572009-11-02 23:17:42 +00001499 } else {
1500 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001501 }
1502
Michael Chancbd68902010-06-08 07:21:30 +00001503 if (err)
1504 return;
1505
Michael Chan605a9e22007-05-03 13:23:13 -07001506 if (bp->autoneg & AUTONEG_SPEED)
1507 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1508 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1509}
1510
Michael Chanb2fadea2008-01-21 17:07:06 -08001511static void
1512bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1513{
1514 u32 val;
1515
1516 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1517 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1518 if (start)
1519 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1520 else
1521 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1522}
1523
Michael Chan605a9e22007-05-03 13:23:13 -07001524static int
Michael Chanb6016b72005-05-26 13:03:09 -07001525bnx2_set_link(struct bnx2 *bp)
1526{
1527 u32 bmsr;
1528 u8 link_up;
1529
Michael Chan80be4432006-11-19 14:07:28 -08001530 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001531 bp->link_up = 1;
1532 return 0;
1533 }
1534
Michael Chan583c28e2008-01-21 19:51:35 -08001535 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001536 return 0;
1537
Michael Chanb6016b72005-05-26 13:03:09 -07001538 link_up = bp->link_up;
1539
Michael Chan27a005b2007-05-03 13:23:41 -07001540 bnx2_enable_bmsr1(bp);
1541 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1542 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1543 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001544
Michael Chan583c28e2008-01-21 19:51:35 -08001545 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chanb6016b72005-05-26 13:03:09 -07001546 (CHIP_NUM(bp) == CHIP_NUM_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001547 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001548
Michael Chan583c28e2008-01-21 19:51:35 -08001549 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001550 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001551 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001552 }
Michael Chanb6016b72005-05-26 13:03:09 -07001553 val = REG_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001554
1555 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1556 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1557 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1558
1559 if ((val & BNX2_EMAC_STATUS_LINK) &&
1560 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001561 bmsr |= BMSR_LSTATUS;
1562 else
1563 bmsr &= ~BMSR_LSTATUS;
1564 }
1565
1566 if (bmsr & BMSR_LSTATUS) {
1567 bp->link_up = 1;
1568
Michael Chan583c28e2008-01-21 19:51:35 -08001569 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001570 if (CHIP_NUM(bp) == CHIP_NUM_5706)
1571 bnx2_5706s_linkup(bp);
1572 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
1573 bnx2_5708s_linkup(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07001574 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
1575 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001576 }
1577 else {
1578 bnx2_copper_linkup(bp);
1579 }
1580 bnx2_resolve_flow_ctrl(bp);
1581 }
1582 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001583 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001584 (bp->autoneg & AUTONEG_SPEED))
1585 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001586
Michael Chan583c28e2008-01-21 19:51:35 -08001587 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001588 u32 bmcr;
1589
1590 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1591 bmcr |= BMCR_ANENABLE;
1592 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1593
Michael Chan583c28e2008-01-21 19:51:35 -08001594 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001595 }
Michael Chanb6016b72005-05-26 13:03:09 -07001596 bp->link_up = 0;
1597 }
1598
1599 if (bp->link_up != link_up) {
1600 bnx2_report_link(bp);
1601 }
1602
1603 bnx2_set_mac_link(bp);
1604
1605 return 0;
1606}
1607
1608static int
1609bnx2_reset_phy(struct bnx2 *bp)
1610{
1611 int i;
1612 u32 reg;
1613
Michael Chanca58c3a2007-05-03 13:22:52 -07001614 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001615
1616#define PHY_RESET_MAX_WAIT 100
1617 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1618 udelay(10);
1619
Michael Chanca58c3a2007-05-03 13:22:52 -07001620 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001621 if (!(reg & BMCR_RESET)) {
1622 udelay(20);
1623 break;
1624 }
1625 }
1626 if (i == PHY_RESET_MAX_WAIT) {
1627 return -EBUSY;
1628 }
1629 return 0;
1630}
1631
1632static u32
1633bnx2_phy_get_pause_adv(struct bnx2 *bp)
1634{
1635 u32 adv = 0;
1636
1637 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1638 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1639
Michael Chan583c28e2008-01-21 19:51:35 -08001640 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001641 adv = ADVERTISE_1000XPAUSE;
1642 }
1643 else {
1644 adv = ADVERTISE_PAUSE_CAP;
1645 }
1646 }
1647 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001648 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001649 adv = ADVERTISE_1000XPSE_ASYM;
1650 }
1651 else {
1652 adv = ADVERTISE_PAUSE_ASYM;
1653 }
1654 }
1655 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001656 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001657 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1658 }
1659 else {
1660 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1661 }
1662 }
1663 return adv;
1664}
1665
Michael Chana2f13892008-07-14 22:38:23 -07001666static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
Michael Chan0d8a6572007-07-07 22:49:43 -07001667
Michael Chanb6016b72005-05-26 13:03:09 -07001668static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001669bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001670__releases(&bp->phy_lock)
1671__acquires(&bp->phy_lock)
Michael Chan0d8a6572007-07-07 22:49:43 -07001672{
1673 u32 speed_arg = 0, pause_adv;
1674
1675 pause_adv = bnx2_phy_get_pause_adv(bp);
1676
1677 if (bp->autoneg & AUTONEG_SPEED) {
1678 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1679 if (bp->advertising & ADVERTISED_10baseT_Half)
1680 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1681 if (bp->advertising & ADVERTISED_10baseT_Full)
1682 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1683 if (bp->advertising & ADVERTISED_100baseT_Half)
1684 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1685 if (bp->advertising & ADVERTISED_100baseT_Full)
1686 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1687 if (bp->advertising & ADVERTISED_1000baseT_Full)
1688 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1689 if (bp->advertising & ADVERTISED_2500baseX_Full)
1690 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1691 } else {
1692 if (bp->req_line_speed == SPEED_2500)
1693 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1694 else if (bp->req_line_speed == SPEED_1000)
1695 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1696 else if (bp->req_line_speed == SPEED_100) {
1697 if (bp->req_duplex == DUPLEX_FULL)
1698 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1699 else
1700 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1701 } else if (bp->req_line_speed == SPEED_10) {
1702 if (bp->req_duplex == DUPLEX_FULL)
1703 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1704 else
1705 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1706 }
1707 }
1708
1709 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1710 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001711 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001712 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1713
1714 if (port == PORT_TP)
1715 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1716 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1717
Michael Chan2726d6e2008-01-29 21:35:05 -08001718 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001719
1720 spin_unlock_bh(&bp->phy_lock);
Michael Chana2f13892008-07-14 22:38:23 -07001721 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
Michael Chan0d8a6572007-07-07 22:49:43 -07001722 spin_lock_bh(&bp->phy_lock);
1723
1724 return 0;
1725}
1726
1727static int
1728bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001729__releases(&bp->phy_lock)
1730__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07001731{
Michael Chan605a9e22007-05-03 13:23:13 -07001732 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001733 u32 new_adv = 0;
1734
Michael Chan583c28e2008-01-21 19:51:35 -08001735 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Eric Dumazet807540b2010-09-23 05:40:09 +00001736 return bnx2_setup_remote_phy(bp, port);
Michael Chan0d8a6572007-07-07 22:49:43 -07001737
Michael Chanb6016b72005-05-26 13:03:09 -07001738 if (!(bp->autoneg & AUTONEG_SPEED)) {
1739 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001740 int force_link_down = 0;
1741
Michael Chan605a9e22007-05-03 13:23:13 -07001742 if (bp->req_line_speed == SPEED_2500) {
1743 if (!bnx2_test_and_enable_2g5(bp))
1744 force_link_down = 1;
1745 } else if (bp->req_line_speed == SPEED_1000) {
1746 if (bnx2_test_and_disable_2g5(bp))
1747 force_link_down = 1;
1748 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001749 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001750 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1751
Michael Chanca58c3a2007-05-03 13:22:52 -07001752 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001753 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001754 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001755
Michael Chan27a005b2007-05-03 13:23:41 -07001756 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
1757 if (bp->req_line_speed == SPEED_2500)
1758 bnx2_enable_forced_2g5(bp);
1759 else if (bp->req_line_speed == SPEED_1000) {
1760 bnx2_disable_forced_2g5(bp);
1761 new_bmcr &= ~0x2000;
1762 }
1763
1764 } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001765 if (bp->req_line_speed == SPEED_2500)
1766 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1767 else
1768 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001769 }
1770
Michael Chanb6016b72005-05-26 13:03:09 -07001771 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001772 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001773 new_bmcr |= BMCR_FULLDPLX;
1774 }
1775 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001776 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001777 new_bmcr &= ~BMCR_FULLDPLX;
1778 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001779 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001780 /* Force a link down visible on the other side */
1781 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001782 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001783 ~(ADVERTISE_1000XFULL |
1784 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001785 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001786 BMCR_ANRESTART | BMCR_ANENABLE);
1787
1788 bp->link_up = 0;
1789 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001790 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001791 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001792 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001793 bnx2_write_phy(bp, bp->mii_adv, adv);
1794 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001795 } else {
1796 bnx2_resolve_flow_ctrl(bp);
1797 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001798 }
1799 return 0;
1800 }
1801
Michael Chan605a9e22007-05-03 13:23:13 -07001802 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001803
Michael Chanb6016b72005-05-26 13:03:09 -07001804 if (bp->advertising & ADVERTISED_1000baseT_Full)
1805 new_adv |= ADVERTISE_1000XFULL;
1806
1807 new_adv |= bnx2_phy_get_pause_adv(bp);
1808
Michael Chanca58c3a2007-05-03 13:22:52 -07001809 bnx2_read_phy(bp, bp->mii_adv, &adv);
1810 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001811
1812 bp->serdes_an_pending = 0;
1813 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1814 /* Force a link down visible on the other side */
1815 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001816 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001817 spin_unlock_bh(&bp->phy_lock);
1818 msleep(20);
1819 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001820 }
1821
Michael Chanca58c3a2007-05-03 13:22:52 -07001822 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1823 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001824 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001825 /* Speed up link-up time when the link partner
1826 * does not autonegotiate which is very common
1827 * in blade servers. Some blade servers use
1828 * IPMI for kerboard input and it's important
1829 * to minimize link disruptions. Autoneg. involves
1830 * exchanging base pages plus 3 next pages and
1831 * normally completes in about 120 msec.
1832 */
Michael Chan40105c02008-11-12 16:02:45 -08001833 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08001834 bp->serdes_an_pending = 1;
1835 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001836 } else {
1837 bnx2_resolve_flow_ctrl(bp);
1838 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001839 }
1840
1841 return 0;
1842}
1843
1844#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001845 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001846 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1847 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001848
1849#define ETHTOOL_ALL_COPPER_SPEED \
1850 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1851 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1852 ADVERTISED_1000baseT_Full)
1853
1854#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1855 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001856
Michael Chanb6016b72005-05-26 13:03:09 -07001857#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1858
Michael Chandeaf3912007-07-07 22:48:00 -07001859static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001860bnx2_set_default_remote_link(struct bnx2 *bp)
1861{
1862 u32 link;
1863
1864 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001865 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001866 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001867 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001868
1869 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1870 bp->req_line_speed = 0;
1871 bp->autoneg |= AUTONEG_SPEED;
1872 bp->advertising = ADVERTISED_Autoneg;
1873 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1874 bp->advertising |= ADVERTISED_10baseT_Half;
1875 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1876 bp->advertising |= ADVERTISED_10baseT_Full;
1877 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1878 bp->advertising |= ADVERTISED_100baseT_Half;
1879 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1880 bp->advertising |= ADVERTISED_100baseT_Full;
1881 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1882 bp->advertising |= ADVERTISED_1000baseT_Full;
1883 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1884 bp->advertising |= ADVERTISED_2500baseX_Full;
1885 } else {
1886 bp->autoneg = 0;
1887 bp->advertising = 0;
1888 bp->req_duplex = DUPLEX_FULL;
1889 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1890 bp->req_line_speed = SPEED_10;
1891 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1892 bp->req_duplex = DUPLEX_HALF;
1893 }
1894 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1895 bp->req_line_speed = SPEED_100;
1896 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1897 bp->req_duplex = DUPLEX_HALF;
1898 }
1899 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1900 bp->req_line_speed = SPEED_1000;
1901 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1902 bp->req_line_speed = SPEED_2500;
1903 }
1904}
1905
1906static void
Michael Chandeaf3912007-07-07 22:48:00 -07001907bnx2_set_default_link(struct bnx2 *bp)
1908{
Harvey Harrisonab598592008-05-01 02:47:38 -07001909 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1910 bnx2_set_default_remote_link(bp);
1911 return;
1912 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001913
Michael Chandeaf3912007-07-07 22:48:00 -07001914 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1915 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001916 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001917 u32 reg;
1918
1919 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1920
Michael Chan2726d6e2008-01-29 21:35:05 -08001921 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001922 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1923 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1924 bp->autoneg = 0;
1925 bp->req_line_speed = bp->line_speed = SPEED_1000;
1926 bp->req_duplex = DUPLEX_FULL;
1927 }
1928 } else
1929 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1930}
1931
Michael Chan0d8a6572007-07-07 22:49:43 -07001932static void
Michael Chandf149d72007-07-07 22:51:36 -07001933bnx2_send_heart_beat(struct bnx2 *bp)
1934{
1935 u32 msg;
1936 u32 addr;
1937
1938 spin_lock(&bp->indirect_lock);
1939 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1940 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
1941 REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1942 REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
1943 spin_unlock(&bp->indirect_lock);
1944}
1945
1946static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001947bnx2_remote_phy_event(struct bnx2 *bp)
1948{
1949 u32 msg;
1950 u8 link_up = bp->link_up;
1951 u8 old_port;
1952
Michael Chan2726d6e2008-01-29 21:35:05 -08001953 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001954
Michael Chandf149d72007-07-07 22:51:36 -07001955 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1956 bnx2_send_heart_beat(bp);
1957
1958 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1959
Michael Chan0d8a6572007-07-07 22:49:43 -07001960 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1961 bp->link_up = 0;
1962 else {
1963 u32 speed;
1964
1965 bp->link_up = 1;
1966 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1967 bp->duplex = DUPLEX_FULL;
1968 switch (speed) {
1969 case BNX2_LINK_STATUS_10HALF:
1970 bp->duplex = DUPLEX_HALF;
1971 case BNX2_LINK_STATUS_10FULL:
1972 bp->line_speed = SPEED_10;
1973 break;
1974 case BNX2_LINK_STATUS_100HALF:
1975 bp->duplex = DUPLEX_HALF;
1976 case BNX2_LINK_STATUS_100BASE_T4:
1977 case BNX2_LINK_STATUS_100FULL:
1978 bp->line_speed = SPEED_100;
1979 break;
1980 case BNX2_LINK_STATUS_1000HALF:
1981 bp->duplex = DUPLEX_HALF;
1982 case BNX2_LINK_STATUS_1000FULL:
1983 bp->line_speed = SPEED_1000;
1984 break;
1985 case BNX2_LINK_STATUS_2500HALF:
1986 bp->duplex = DUPLEX_HALF;
1987 case BNX2_LINK_STATUS_2500FULL:
1988 bp->line_speed = SPEED_2500;
1989 break;
1990 default:
1991 bp->line_speed = 0;
1992 break;
1993 }
1994
Michael Chan0d8a6572007-07-07 22:49:43 -07001995 bp->flow_ctrl = 0;
1996 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
1997 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1998 if (bp->duplex == DUPLEX_FULL)
1999 bp->flow_ctrl = bp->req_flow_ctrl;
2000 } else {
2001 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2002 bp->flow_ctrl |= FLOW_CTRL_TX;
2003 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2004 bp->flow_ctrl |= FLOW_CTRL_RX;
2005 }
2006
2007 old_port = bp->phy_port;
2008 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2009 bp->phy_port = PORT_FIBRE;
2010 else
2011 bp->phy_port = PORT_TP;
2012
2013 if (old_port != bp->phy_port)
2014 bnx2_set_default_link(bp);
2015
Michael Chan0d8a6572007-07-07 22:49:43 -07002016 }
2017 if (bp->link_up != link_up)
2018 bnx2_report_link(bp);
2019
2020 bnx2_set_mac_link(bp);
2021}
2022
2023static int
2024bnx2_set_remote_link(struct bnx2 *bp)
2025{
2026 u32 evt_code;
2027
Michael Chan2726d6e2008-01-29 21:35:05 -08002028 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07002029 switch (evt_code) {
2030 case BNX2_FW_EVT_CODE_LINK_EVENT:
2031 bnx2_remote_phy_event(bp);
2032 break;
2033 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2034 default:
Michael Chandf149d72007-07-07 22:51:36 -07002035 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07002036 break;
2037 }
2038 return 0;
2039}
2040
Michael Chanb6016b72005-05-26 13:03:09 -07002041static int
2042bnx2_setup_copper_phy(struct bnx2 *bp)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002043__releases(&bp->phy_lock)
2044__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002045{
2046 u32 bmcr;
2047 u32 new_bmcr;
2048
Michael Chanca58c3a2007-05-03 13:22:52 -07002049 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002050
2051 if (bp->autoneg & AUTONEG_SPEED) {
2052 u32 adv_reg, adv1000_reg;
2053 u32 new_adv_reg = 0;
2054 u32 new_adv1000_reg = 0;
2055
Michael Chanca58c3a2007-05-03 13:22:52 -07002056 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002057 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2058 ADVERTISE_PAUSE_ASYM);
2059
2060 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2061 adv1000_reg &= PHY_ALL_1000_SPEED;
2062
2063 if (bp->advertising & ADVERTISED_10baseT_Half)
2064 new_adv_reg |= ADVERTISE_10HALF;
2065 if (bp->advertising & ADVERTISED_10baseT_Full)
2066 new_adv_reg |= ADVERTISE_10FULL;
2067 if (bp->advertising & ADVERTISED_100baseT_Half)
2068 new_adv_reg |= ADVERTISE_100HALF;
2069 if (bp->advertising & ADVERTISED_100baseT_Full)
2070 new_adv_reg |= ADVERTISE_100FULL;
2071 if (bp->advertising & ADVERTISED_1000baseT_Full)
2072 new_adv1000_reg |= ADVERTISE_1000FULL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002073
Michael Chanb6016b72005-05-26 13:03:09 -07002074 new_adv_reg |= ADVERTISE_CSMA;
2075
2076 new_adv_reg |= bnx2_phy_get_pause_adv(bp);
2077
2078 if ((adv1000_reg != new_adv1000_reg) ||
2079 (adv_reg != new_adv_reg) ||
2080 ((bmcr & BMCR_ANENABLE) == 0)) {
2081
Michael Chanca58c3a2007-05-03 13:22:52 -07002082 bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
Michael Chanb6016b72005-05-26 13:03:09 -07002083 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
Michael Chanca58c3a2007-05-03 13:22:52 -07002084 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07002085 BMCR_ANENABLE);
2086 }
2087 else if (bp->link_up) {
2088 /* Flow ctrl may have changed from auto to forced */
2089 /* or vice-versa. */
2090
2091 bnx2_resolve_flow_ctrl(bp);
2092 bnx2_set_mac_link(bp);
2093 }
2094 return 0;
2095 }
2096
2097 new_bmcr = 0;
2098 if (bp->req_line_speed == SPEED_100) {
2099 new_bmcr |= BMCR_SPEED100;
2100 }
2101 if (bp->req_duplex == DUPLEX_FULL) {
2102 new_bmcr |= BMCR_FULLDPLX;
2103 }
2104 if (new_bmcr != bmcr) {
2105 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07002106
Michael Chanca58c3a2007-05-03 13:22:52 -07002107 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2108 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002109
Michael Chanb6016b72005-05-26 13:03:09 -07002110 if (bmsr & BMSR_LSTATUS) {
2111 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07002112 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08002113 spin_unlock_bh(&bp->phy_lock);
2114 msleep(50);
2115 spin_lock_bh(&bp->phy_lock);
2116
Michael Chanca58c3a2007-05-03 13:22:52 -07002117 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2118 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07002119 }
2120
Michael Chanca58c3a2007-05-03 13:22:52 -07002121 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002122
2123 /* Normally, the new speed is setup after the link has
2124 * gone down and up again. In some cases, link will not go
2125 * down so we need to set up the new speed here.
2126 */
2127 if (bmsr & BMSR_LSTATUS) {
2128 bp->line_speed = bp->req_line_speed;
2129 bp->duplex = bp->req_duplex;
2130 bnx2_resolve_flow_ctrl(bp);
2131 bnx2_set_mac_link(bp);
2132 }
Michael Chan27a005b2007-05-03 13:23:41 -07002133 } else {
2134 bnx2_resolve_flow_ctrl(bp);
2135 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002136 }
2137 return 0;
2138}
2139
2140static int
Michael Chan0d8a6572007-07-07 22:49:43 -07002141bnx2_setup_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002142__releases(&bp->phy_lock)
2143__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002144{
2145 if (bp->loopback == MAC_LOOPBACK)
2146 return 0;
2147
Michael Chan583c28e2008-01-21 19:51:35 -08002148 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Eric Dumazet807540b2010-09-23 05:40:09 +00002149 return bnx2_setup_serdes_phy(bp, port);
Michael Chanb6016b72005-05-26 13:03:09 -07002150 }
2151 else {
Eric Dumazet807540b2010-09-23 05:40:09 +00002152 return bnx2_setup_copper_phy(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002153 }
2154}
2155
2156static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002157bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07002158{
2159 u32 val;
2160
2161 bp->mii_bmcr = MII_BMCR + 0x10;
2162 bp->mii_bmsr = MII_BMSR + 0x10;
2163 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2164 bp->mii_adv = MII_ADVERTISE + 0x10;
2165 bp->mii_lpa = MII_LPA + 0x10;
2166 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2167
2168 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2169 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2170
2171 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07002172 if (reset_phy)
2173 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002174
2175 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2176
2177 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2178 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2179 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2180 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2181
2182 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2183 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002184 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002185 val |= BCM5708S_UP1_2G5;
2186 else
2187 val &= ~BCM5708S_UP1_2G5;
2188 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2189
2190 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2191 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2192 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2193 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2194
2195 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2196
2197 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2198 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2199 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2200
2201 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2202
2203 return 0;
2204}
2205
2206static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002207bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002208{
2209 u32 val;
2210
Michael Chan9a120bc2008-05-16 22:17:45 -07002211 if (reset_phy)
2212 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002213
2214 bp->mii_up1 = BCM5708S_UP1;
2215
Michael Chan5b0c76a2005-11-04 08:45:49 -08002216 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2217 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2218 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2219
2220 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2221 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2222 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2223
2224 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2225 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2226 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2227
Michael Chan583c28e2008-01-21 19:51:35 -08002228 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002229 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2230 val |= BCM5708S_UP1_2G5;
2231 bnx2_write_phy(bp, BCM5708S_UP1, val);
2232 }
2233
2234 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
Michael Chandda1e392006-01-23 16:08:14 -08002235 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
2236 (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002237 /* increase tx signal amplitude */
2238 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2239 BCM5708S_BLK_ADDR_TX_MISC);
2240 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2241 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2242 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2243 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2244 }
2245
Michael Chan2726d6e2008-01-29 21:35:05 -08002246 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002247 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2248
2249 if (val) {
2250 u32 is_backplane;
2251
Michael Chan2726d6e2008-01-29 21:35:05 -08002252 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002253 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2254 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2255 BCM5708S_BLK_ADDR_TX_MISC);
2256 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2257 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2258 BCM5708S_BLK_ADDR_DIG);
2259 }
2260 }
2261 return 0;
2262}
2263
2264static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002265bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002266{
Michael Chan9a120bc2008-05-16 22:17:45 -07002267 if (reset_phy)
2268 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002269
Michael Chan583c28e2008-01-21 19:51:35 -08002270 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002271
Michael Chan59b47d82006-11-19 14:10:45 -08002272 if (CHIP_NUM(bp) == CHIP_NUM_5706)
2273 REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002274
2275 if (bp->dev->mtu > 1500) {
2276 u32 val;
2277
2278 /* Set extended packet length bit */
2279 bnx2_write_phy(bp, 0x18, 0x7);
2280 bnx2_read_phy(bp, 0x18, &val);
2281 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2282
2283 bnx2_write_phy(bp, 0x1c, 0x6c00);
2284 bnx2_read_phy(bp, 0x1c, &val);
2285 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2286 }
2287 else {
2288 u32 val;
2289
2290 bnx2_write_phy(bp, 0x18, 0x7);
2291 bnx2_read_phy(bp, 0x18, &val);
2292 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2293
2294 bnx2_write_phy(bp, 0x1c, 0x6c00);
2295 bnx2_read_phy(bp, 0x1c, &val);
2296 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2297 }
2298
2299 return 0;
2300}
2301
2302static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002303bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002304{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002305 u32 val;
2306
Michael Chan9a120bc2008-05-16 22:17:45 -07002307 if (reset_phy)
2308 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002309
Michael Chan583c28e2008-01-21 19:51:35 -08002310 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002311 bnx2_write_phy(bp, 0x18, 0x0c00);
2312 bnx2_write_phy(bp, 0x17, 0x000a);
2313 bnx2_write_phy(bp, 0x15, 0x310b);
2314 bnx2_write_phy(bp, 0x17, 0x201f);
2315 bnx2_write_phy(bp, 0x15, 0x9506);
2316 bnx2_write_phy(bp, 0x17, 0x401f);
2317 bnx2_write_phy(bp, 0x15, 0x14e2);
2318 bnx2_write_phy(bp, 0x18, 0x0400);
2319 }
2320
Michael Chan583c28e2008-01-21 19:51:35 -08002321 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002322 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2323 MII_BNX2_DSP_EXPAND_REG | 0x8);
2324 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2325 val &= ~(1 << 8);
2326 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2327 }
2328
Michael Chanb6016b72005-05-26 13:03:09 -07002329 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002330 /* Set extended packet length bit */
2331 bnx2_write_phy(bp, 0x18, 0x7);
2332 bnx2_read_phy(bp, 0x18, &val);
2333 bnx2_write_phy(bp, 0x18, val | 0x4000);
2334
2335 bnx2_read_phy(bp, 0x10, &val);
2336 bnx2_write_phy(bp, 0x10, val | 0x1);
2337 }
2338 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002339 bnx2_write_phy(bp, 0x18, 0x7);
2340 bnx2_read_phy(bp, 0x18, &val);
2341 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2342
2343 bnx2_read_phy(bp, 0x10, &val);
2344 bnx2_write_phy(bp, 0x10, val & ~0x1);
2345 }
2346
Michael Chan5b0c76a2005-11-04 08:45:49 -08002347 /* ethernet@wirespeed */
2348 bnx2_write_phy(bp, 0x18, 0x7007);
2349 bnx2_read_phy(bp, 0x18, &val);
2350 bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
Michael Chanb6016b72005-05-26 13:03:09 -07002351 return 0;
2352}
2353
2354
2355static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002356bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002357__releases(&bp->phy_lock)
2358__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002359{
2360 u32 val;
2361 int rc = 0;
2362
Michael Chan583c28e2008-01-21 19:51:35 -08002363 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2364 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002365
Michael Chanca58c3a2007-05-03 13:22:52 -07002366 bp->mii_bmcr = MII_BMCR;
2367 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002368 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002369 bp->mii_adv = MII_ADVERTISE;
2370 bp->mii_lpa = MII_LPA;
2371
Michael Chanb6016b72005-05-26 13:03:09 -07002372 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
2373
Michael Chan583c28e2008-01-21 19:51:35 -08002374 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002375 goto setup_phy;
2376
Michael Chanb6016b72005-05-26 13:03:09 -07002377 bnx2_read_phy(bp, MII_PHYSID1, &val);
2378 bp->phy_id = val << 16;
2379 bnx2_read_phy(bp, MII_PHYSID2, &val);
2380 bp->phy_id |= val & 0xffff;
2381
Michael Chan583c28e2008-01-21 19:51:35 -08002382 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002383 if (CHIP_NUM(bp) == CHIP_NUM_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002384 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002385 else if (CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002386 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan27a005b2007-05-03 13:23:41 -07002387 else if (CHIP_NUM(bp) == CHIP_NUM_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002388 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002389 }
2390 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002391 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002392 }
2393
Michael Chan0d8a6572007-07-07 22:49:43 -07002394setup_phy:
2395 if (!rc)
2396 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002397
2398 return rc;
2399}
2400
2401static int
2402bnx2_set_mac_loopback(struct bnx2 *bp)
2403{
2404 u32 mac_mode;
2405
2406 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2407 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2408 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
2409 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2410 bp->link_up = 1;
2411 return 0;
2412}
2413
Michael Chanbc5a0692006-01-23 16:13:22 -08002414static int bnx2_test_link(struct bnx2 *);
2415
2416static int
2417bnx2_set_phy_loopback(struct bnx2 *bp)
2418{
2419 u32 mac_mode;
2420 int rc, i;
2421
2422 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002423 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002424 BMCR_SPEED1000);
2425 spin_unlock_bh(&bp->phy_lock);
2426 if (rc)
2427 return rc;
2428
2429 for (i = 0; i < 10; i++) {
2430 if (bnx2_test_link(bp) == 0)
2431 break;
Michael Chan80be4432006-11-19 14:07:28 -08002432 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002433 }
2434
2435 mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
2436 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2437 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002438 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002439
2440 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
2441 REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
2442 bp->link_up = 1;
2443 return 0;
2444}
2445
Michael Chanb6016b72005-05-26 13:03:09 -07002446static int
Michael Chana2f13892008-07-14 22:38:23 -07002447bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002448{
2449 int i;
2450 u32 val;
2451
Michael Chanb6016b72005-05-26 13:03:09 -07002452 bp->fw_wr_seq++;
2453 msg_data |= bp->fw_wr_seq;
2454
Michael Chan2726d6e2008-01-29 21:35:05 -08002455 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002456
Michael Chana2f13892008-07-14 22:38:23 -07002457 if (!ack)
2458 return 0;
2459
Michael Chanb6016b72005-05-26 13:03:09 -07002460 /* wait for an acknowledgement. */
Michael Chan40105c02008-11-12 16:02:45 -08002461 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
Michael Chanb090ae22006-01-23 16:07:10 -08002462 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002463
Michael Chan2726d6e2008-01-29 21:35:05 -08002464 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002465
2466 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2467 break;
2468 }
Michael Chanb090ae22006-01-23 16:07:10 -08002469 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2470 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002471
2472 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002473 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
2474 if (!silent)
Joe Perches3a9c6a42010-02-17 15:01:51 +00002475 pr_err("fw sync timeout, reset code = %x\n", msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002476
2477 msg_data &= ~BNX2_DRV_MSG_CODE;
2478 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2479
Michael Chan2726d6e2008-01-29 21:35:05 -08002480 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002481
Michael Chanb6016b72005-05-26 13:03:09 -07002482 return -EBUSY;
2483 }
2484
Michael Chanb090ae22006-01-23 16:07:10 -08002485 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2486 return -EIO;
2487
Michael Chanb6016b72005-05-26 13:03:09 -07002488 return 0;
2489}
2490
Michael Chan59b47d82006-11-19 14:10:45 -08002491static int
2492bnx2_init_5709_context(struct bnx2 *bp)
2493{
2494 int i, ret = 0;
2495 u32 val;
2496
2497 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
2498 val |= (BCM_PAGE_BITS - 8) << 16;
2499 REG_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002500 for (i = 0; i < 10; i++) {
2501 val = REG_RD(bp, BNX2_CTX_COMMAND);
2502 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2503 break;
2504 udelay(2);
2505 }
2506 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2507 return -EBUSY;
2508
Michael Chan59b47d82006-11-19 14:10:45 -08002509 for (i = 0; i < bp->ctx_pages; i++) {
2510 int j;
2511
Michael Chan352f7682008-05-02 16:57:26 -07002512 if (bp->ctx_blk[i])
2513 memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
2514 else
2515 return -ENOMEM;
2516
Michael Chan59b47d82006-11-19 14:10:45 -08002517 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2518 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2519 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2520 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2521 (u64) bp->ctx_blk_mapping[i] >> 32);
2522 REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2523 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
2524 for (j = 0; j < 10; j++) {
2525
2526 val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
2527 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2528 break;
2529 udelay(5);
2530 }
2531 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2532 ret = -EBUSY;
2533 break;
2534 }
2535 }
2536 return ret;
2537}
2538
Michael Chanb6016b72005-05-26 13:03:09 -07002539static void
2540bnx2_init_context(struct bnx2 *bp)
2541{
2542 u32 vcid;
2543
2544 vcid = 96;
2545 while (vcid) {
2546 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002547 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002548
2549 vcid--;
2550
2551 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
2552 u32 new_vcid;
2553
2554 vcid_addr = GET_PCID_ADDR(vcid);
2555 if (vcid & 0x8) {
2556 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2557 }
2558 else {
2559 new_vcid = vcid;
2560 }
2561 pcid_addr = GET_PCID_ADDR(new_vcid);
2562 }
2563 else {
2564 vcid_addr = GET_CID_ADDR(vcid);
2565 pcid_addr = vcid_addr;
2566 }
2567
Michael Chan7947b202007-06-04 21:17:10 -07002568 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2569 vcid_addr += (i << PHY_CTX_SHIFT);
2570 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002571
Michael Chan5d5d0012007-12-12 11:17:43 -08002572 REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002573 REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
2574
2575 /* Zero out the context. */
2576 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002577 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002578 }
Michael Chanb6016b72005-05-26 13:03:09 -07002579 }
2580}
2581
2582static int
2583bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2584{
2585 u16 *good_mbuf;
2586 u32 good_mbuf_cnt;
2587 u32 val;
2588
2589 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
2590 if (good_mbuf == NULL) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00002591 pr_err("Failed to allocate memory in %s\n", __func__);
Michael Chanb6016b72005-05-26 13:03:09 -07002592 return -ENOMEM;
2593 }
2594
2595 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
2596 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2597
2598 good_mbuf_cnt = 0;
2599
2600 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002601 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002602 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002603 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2604 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002605
Michael Chan2726d6e2008-01-29 21:35:05 -08002606 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002607
2608 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2609
2610 /* The addresses with Bit 9 set are bad memory blocks. */
2611 if (!(val & (1 << 9))) {
2612 good_mbuf[good_mbuf_cnt] = (u16) val;
2613 good_mbuf_cnt++;
2614 }
2615
Michael Chan2726d6e2008-01-29 21:35:05 -08002616 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002617 }
2618
2619 /* Free the good ones back to the mbuf pool thus discarding
2620 * all the bad ones. */
2621 while (good_mbuf_cnt) {
2622 good_mbuf_cnt--;
2623
2624 val = good_mbuf[good_mbuf_cnt];
2625 val = (val << 9) | val | 1;
2626
Michael Chan2726d6e2008-01-29 21:35:05 -08002627 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002628 }
2629 kfree(good_mbuf);
2630 return 0;
2631}
2632
2633static void
Benjamin Li5fcaed02008-07-14 22:39:52 -07002634bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
Michael Chanb6016b72005-05-26 13:03:09 -07002635{
2636 u32 val;
Michael Chanb6016b72005-05-26 13:03:09 -07002637
2638 val = (mac_addr[0] << 8) | mac_addr[1];
2639
Benjamin Li5fcaed02008-07-14 22:39:52 -07002640 REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002641
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002642 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002643 (mac_addr[4] << 8) | mac_addr[5];
2644
Benjamin Li5fcaed02008-07-14 22:39:52 -07002645 REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002646}
2647
2648static inline int
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002649bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chan47bf4242007-12-12 11:19:12 -08002650{
2651 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002652 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002653 struct rx_bd *rxbd =
Michael Chanbb4f98a2008-06-19 16:38:19 -07002654 &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002655 struct page *page = alloc_page(gfp);
Michael Chan47bf4242007-12-12 11:19:12 -08002656
2657 if (!page)
2658 return -ENOMEM;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002659 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
Michael Chan47bf4242007-12-12 11:19:12 -08002660 PCI_DMA_FROMDEVICE);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002661 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002662 __free_page(page);
2663 return -EIO;
2664 }
2665
Michael Chan47bf4242007-12-12 11:19:12 -08002666 rx_pg->page = page;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002667 dma_unmap_addr_set(rx_pg, mapping, mapping);
Michael Chan47bf4242007-12-12 11:19:12 -08002668 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2669 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2670 return 0;
2671}
2672
2673static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002674bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002675{
Michael Chanbb4f98a2008-06-19 16:38:19 -07002676 struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002677 struct page *page = rx_pg->page;
2678
2679 if (!page)
2680 return;
2681
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002682 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
2683 PAGE_SIZE, PCI_DMA_FROMDEVICE);
Michael Chan47bf4242007-12-12 11:19:12 -08002684
2685 __free_page(page);
2686 rx_pg->page = NULL;
2687}
2688
2689static inline int
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002690bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chanb6016b72005-05-26 13:03:09 -07002691{
2692 struct sk_buff *skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002693 struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002694 dma_addr_t mapping;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002695 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002696 unsigned long align;
2697
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002698 skb = __netdev_alloc_skb(bp->dev, bp->rx_buf_size, gfp);
Michael Chanb6016b72005-05-26 13:03:09 -07002699 if (skb == NULL) {
2700 return -ENOMEM;
2701 }
2702
Michael Chan59b47d82006-11-19 14:10:45 -08002703 if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
2704 skb_reserve(skb, BNX2_RX_ALIGN - align);
Michael Chanb6016b72005-05-26 13:03:09 -07002705
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002706 mapping = dma_map_single(&bp->pdev->dev, skb->data, bp->rx_buf_use_size,
2707 PCI_DMA_FROMDEVICE);
2708 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002709 dev_kfree_skb(skb);
2710 return -EIO;
2711 }
Michael Chanb6016b72005-05-26 13:03:09 -07002712
2713 rx_buf->skb = skb;
Michael Chana33fa662010-05-06 08:58:13 +00002714 rx_buf->desc = (struct l2_fhdr *) skb->data;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002715 dma_unmap_addr_set(rx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07002716
2717 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2718 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2719
Michael Chanbb4f98a2008-06-19 16:38:19 -07002720 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002721
2722 return 0;
2723}
2724
Michael Chanda3e4fb2007-05-03 13:24:23 -07002725static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002726bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002727{
Michael Chan43e80b82008-06-19 16:41:08 -07002728 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002729 u32 new_link_state, old_link_state;
2730 int is_set = 1;
2731
2732 new_link_state = sblk->status_attn_bits & event;
2733 old_link_state = sblk->status_attn_bits_ack & event;
2734 if (new_link_state != old_link_state) {
2735 if (new_link_state)
2736 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
2737 else
2738 REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
2739 } else
2740 is_set = 0;
2741
2742 return is_set;
2743}
2744
Michael Chanb6016b72005-05-26 13:03:09 -07002745static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002746bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002747{
Michael Chan74ecc62d2008-05-02 16:56:16 -07002748 spin_lock(&bp->phy_lock);
2749
2750 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002751 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002752 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002753 bnx2_set_remote_link(bp);
2754
Michael Chan74ecc62d2008-05-02 16:56:16 -07002755 spin_unlock(&bp->phy_lock);
2756
Michael Chanb6016b72005-05-26 13:03:09 -07002757}
2758
Michael Chanead72702007-12-20 19:55:39 -08002759static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002760bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002761{
2762 u16 cons;
2763
Michael Chan43e80b82008-06-19 16:41:08 -07002764 /* Tell compiler that status block fields can change. */
2765 barrier();
2766 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002767 barrier();
Michael Chanead72702007-12-20 19:55:39 -08002768 if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
2769 cons++;
2770 return cons;
2771}
2772
Michael Chan57851d82007-12-20 20:01:44 -08002773static int
2774bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002775{
Michael Chan35e90102008-06-19 16:37:42 -07002776 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002777 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002778 int tx_pkt = 0, index;
2779 struct netdev_queue *txq;
2780
2781 index = (bnapi - bp->bnx2_napi);
2782 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002783
Michael Chan35efa7c2007-12-20 19:56:37 -08002784 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002785 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002786
2787 while (sw_cons != hw_cons) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002788 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002789 struct sk_buff *skb;
2790 int i, last;
2791
2792 sw_ring_cons = TX_RING_IDX(sw_cons);
2793
Michael Chan35e90102008-06-19 16:37:42 -07002794 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002795 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002796
Eric Dumazetd62fda02009-05-12 20:48:02 +00002797 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2798 prefetch(&skb->end);
2799
Michael Chanb6016b72005-05-26 13:03:09 -07002800 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002801 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002802 u16 last_idx, last_ring_idx;
2803
Eric Dumazetd62fda02009-05-12 20:48:02 +00002804 last_idx = sw_cons + tx_buf->nr_frags + 1;
2805 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chanb6016b72005-05-26 13:03:09 -07002806 if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
2807 last_idx++;
2808 }
2809 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2810 break;
2811 }
2812 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002813
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002814 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00002815 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002816
2817 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002818 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002819
2820 for (i = 0; i < last; i++) {
2821 sw_cons = NEXT_TX_BD(sw_cons);
Alexander Duycke95524a2009-12-02 16:47:57 +00002822
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002823 dma_unmap_page(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002824 dma_unmap_addr(
Alexander Duycke95524a2009-12-02 16:47:57 +00002825 &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
2826 mapping),
2827 skb_shinfo(skb)->frags[i].size,
2828 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002829 }
2830
2831 sw_cons = NEXT_TX_BD(sw_cons);
2832
Michael Chan745720e2006-06-29 12:37:41 -07002833 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002834 tx_pkt++;
2835 if (tx_pkt == budget)
2836 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002837
Eric Dumazetd62fda02009-05-12 20:48:02 +00002838 if (hw_cons == sw_cons)
2839 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002840 }
2841
Michael Chan35e90102008-06-19 16:37:42 -07002842 txr->hw_tx_cons = hw_cons;
2843 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002844
Michael Chan2f8af122006-08-15 01:39:10 -07002845 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002846 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002847 * memory barrier, there is a small possibility that bnx2_start_xmit()
2848 * will miss it and cause the queue to be stopped forever.
2849 */
2850 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002851
Benjamin Li706bf242008-07-18 17:55:11 -07002852 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002853 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002854 __netif_tx_lock(txq, smp_processor_id());
2855 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002856 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002857 netif_tx_wake_queue(txq);
2858 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002859 }
Benjamin Li706bf242008-07-18 17:55:11 -07002860
Michael Chan57851d82007-12-20 20:01:44 -08002861 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002862}
2863
Michael Chan1db82f22007-12-12 11:19:35 -08002864static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002865bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002866 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002867{
2868 struct sw_pg *cons_rx_pg, *prod_rx_pg;
2869 struct rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002870 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002871 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002872 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002873
Benjamin Li3d16af82008-10-09 12:26:41 -07002874 cons_rx_pg = &rxr->rx_pg_ring[cons];
2875
2876 /* The caller was unable to allocate a new page to replace the
2877 * last one in the frags array, so we need to recycle that page
2878 * and then free the skb.
2879 */
2880 if (skb) {
2881 struct page *page;
2882 struct skb_shared_info *shinfo;
2883
2884 shinfo = skb_shinfo(skb);
2885 shinfo->nr_frags--;
2886 page = shinfo->frags[shinfo->nr_frags].page;
2887 shinfo->frags[shinfo->nr_frags].page = NULL;
2888
2889 cons_rx_pg->page = page;
2890 dev_kfree_skb(skb);
2891 }
2892
2893 hw_prod = rxr->rx_pg_prod;
2894
Michael Chan1db82f22007-12-12 11:19:35 -08002895 for (i = 0; i < count; i++) {
2896 prod = RX_PG_RING_IDX(hw_prod);
2897
Michael Chanbb4f98a2008-06-19 16:38:19 -07002898 prod_rx_pg = &rxr->rx_pg_ring[prod];
2899 cons_rx_pg = &rxr->rx_pg_ring[cons];
2900 cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2901 prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002902
Michael Chan1db82f22007-12-12 11:19:35 -08002903 if (prod != cons) {
2904 prod_rx_pg->page = cons_rx_pg->page;
2905 cons_rx_pg->page = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002906 dma_unmap_addr_set(prod_rx_pg, mapping,
2907 dma_unmap_addr(cons_rx_pg, mapping));
Michael Chan1db82f22007-12-12 11:19:35 -08002908
2909 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2910 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2911
2912 }
2913 cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
2914 hw_prod = NEXT_RX_BD(hw_prod);
2915 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002916 rxr->rx_pg_prod = hw_prod;
2917 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002918}
2919
Michael Chanb6016b72005-05-26 13:03:09 -07002920static inline void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002921bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2922 struct sk_buff *skb, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002923{
Michael Chan236b6392006-03-20 17:49:02 -08002924 struct sw_bd *cons_rx_buf, *prod_rx_buf;
2925 struct rx_bd *cons_bd, *prod_bd;
2926
Michael Chanbb4f98a2008-06-19 16:38:19 -07002927 cons_rx_buf = &rxr->rx_buf_ring[cons];
2928 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002929
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002930 dma_sync_single_for_device(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002931 dma_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002932 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002933
Michael Chanbb4f98a2008-06-19 16:38:19 -07002934 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002935
2936 prod_rx_buf->skb = skb;
Michael Chana33fa662010-05-06 08:58:13 +00002937 prod_rx_buf->desc = (struct l2_fhdr *) skb->data;
Michael Chan236b6392006-03-20 17:49:02 -08002938
2939 if (cons == prod)
2940 return;
2941
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002942 dma_unmap_addr_set(prod_rx_buf, mapping,
2943 dma_unmap_addr(cons_rx_buf, mapping));
Michael Chanb6016b72005-05-26 13:03:09 -07002944
Michael Chanbb4f98a2008-06-19 16:38:19 -07002945 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
2946 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08002947 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2948 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07002949}
2950
Michael Chan85833c62007-12-12 11:17:01 -08002951static int
Michael Chanbb4f98a2008-06-19 16:38:19 -07002952bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
Michael Chana1f60192007-12-20 19:57:19 -08002953 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
2954 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08002955{
2956 int err;
2957 u16 prod = ring_idx & 0xffff;
2958
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002959 err = bnx2_alloc_rx_skb(bp, rxr, prod, GFP_ATOMIC);
Michael Chan85833c62007-12-12 11:17:01 -08002960 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07002961 bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002962 if (hdr_len) {
2963 unsigned int raw_len = len + 4;
2964 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
2965
Michael Chanbb4f98a2008-06-19 16:38:19 -07002966 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08002967 }
Michael Chan85833c62007-12-12 11:17:01 -08002968 return err;
2969 }
2970
Benjamin Lid89cb6a2008-05-16 22:18:57 -07002971 skb_reserve(skb, BNX2_RX_OFFSET);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002972 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
Michael Chan85833c62007-12-12 11:17:01 -08002973 PCI_DMA_FROMDEVICE);
2974
Michael Chan1db82f22007-12-12 11:19:35 -08002975 if (hdr_len == 0) {
2976 skb_put(skb, len);
2977 return 0;
2978 } else {
2979 unsigned int i, frag_len, frag_size, pages;
2980 struct sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002981 u16 pg_cons = rxr->rx_pg_cons;
2982 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08002983
2984 frag_size = len + 4 - hdr_len;
2985 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
2986 skb_put(skb, hdr_len);
2987
2988 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002989 dma_addr_t mapping_old;
2990
Michael Chan1db82f22007-12-12 11:19:35 -08002991 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
2992 if (unlikely(frag_len <= 4)) {
2993 unsigned int tail = 4 - frag_len;
2994
Michael Chanbb4f98a2008-06-19 16:38:19 -07002995 rxr->rx_pg_cons = pg_cons;
2996 rxr->rx_pg_prod = pg_prod;
2997 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08002998 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08002999 skb->len -= tail;
3000 if (i == 0) {
3001 skb->tail -= tail;
3002 } else {
3003 skb_frag_t *frag =
3004 &skb_shinfo(skb)->frags[i - 1];
3005 frag->size -= tail;
3006 skb->data_len -= tail;
3007 skb->truesize -= tail;
3008 }
3009 return 0;
3010 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003011 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003012
Benjamin Li3d16af82008-10-09 12:26:41 -07003013 /* Don't unmap yet. If we're unable to allocate a new
3014 * page, we need to recycle the page and the DMA addr.
3015 */
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003016 mapping_old = dma_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003017 if (i == pages - 1)
3018 frag_len -= 4;
3019
3020 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3021 rx_pg->page = NULL;
3022
Michael Chanbb4f98a2008-06-19 16:38:19 -07003023 err = bnx2_alloc_rx_page(bp, rxr,
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00003024 RX_PG_RING_IDX(pg_prod),
3025 GFP_ATOMIC);
Michael Chan1db82f22007-12-12 11:19:35 -08003026 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003027 rxr->rx_pg_cons = pg_cons;
3028 rxr->rx_pg_prod = pg_prod;
3029 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003030 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003031 return err;
3032 }
3033
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003034 dma_unmap_page(&bp->pdev->dev, mapping_old,
Benjamin Li3d16af82008-10-09 12:26:41 -07003035 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3036
Michael Chan1db82f22007-12-12 11:19:35 -08003037 frag_size -= frag_len;
3038 skb->data_len += frag_len;
3039 skb->truesize += frag_len;
3040 skb->len += frag_len;
3041
3042 pg_prod = NEXT_RX_BD(pg_prod);
3043 pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
3044 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003045 rxr->rx_pg_prod = pg_prod;
3046 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003047 }
Michael Chan85833c62007-12-12 11:17:01 -08003048 return 0;
3049}
3050
Michael Chanc09c2622007-12-10 17:18:37 -08003051static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003052bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003053{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003054 u16 cons;
3055
Michael Chan43e80b82008-06-19 16:41:08 -07003056 /* Tell compiler that status block fields can change. */
3057 barrier();
3058 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003059 barrier();
Michael Chanc09c2622007-12-10 17:18:37 -08003060 if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
3061 cons++;
3062 return cons;
3063}
3064
Michael Chanb6016b72005-05-26 13:03:09 -07003065static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003066bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003067{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003068 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003069 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3070 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003071 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003072
Michael Chan35efa7c2007-12-20 19:56:37 -08003073 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003074 sw_cons = rxr->rx_cons;
3075 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003076
3077 /* Memory barrier necessary as speculative reads of the rx
3078 * buffer can be ahead of the index in the status block
3079 */
3080 rmb();
3081 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003082 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003083 u32 status;
Michael Chana33fa662010-05-06 08:58:13 +00003084 struct sw_bd *rx_buf, *next_rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07003085 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003086 dma_addr_t dma_addr;
Michael Chanb6016b72005-05-26 13:03:09 -07003087
3088 sw_ring_cons = RX_RING_IDX(sw_cons);
3089 sw_ring_prod = RX_RING_IDX(sw_prod);
3090
Michael Chanbb4f98a2008-06-19 16:38:19 -07003091 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07003092 skb = rx_buf->skb;
Michael Chana33fa662010-05-06 08:58:13 +00003093 prefetchw(skb);
Michael Chan236b6392006-03-20 17:49:02 -08003094
FUJITA Tomonoriaabef8b2010-06-17 08:56:05 -07003095 next_rx_buf =
3096 &rxr->rx_buf_ring[RX_RING_IDX(NEXT_RX_BD(sw_cons))];
3097 prefetch(next_rx_buf->desc);
3098
Michael Chan236b6392006-03-20 17:49:02 -08003099 rx_buf->skb = NULL;
3100
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003101 dma_addr = dma_unmap_addr(rx_buf, mapping);
Michael Chan236b6392006-03-20 17:49:02 -08003102
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003103 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003104 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3105 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003106
Michael Chana33fa662010-05-06 08:58:13 +00003107 rx_hdr = rx_buf->desc;
Michael Chan1db82f22007-12-12 11:19:35 -08003108 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003109 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003110
Michael Chan1db82f22007-12-12 11:19:35 -08003111 hdr_len = 0;
3112 if (status & L2_FHDR_STATUS_SPLIT) {
3113 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3114 pg_ring_used = 1;
3115 } else if (len > bp->rx_jumbo_thresh) {
3116 hdr_len = bp->rx_jumbo_thresh;
3117 pg_ring_used = 1;
3118 }
3119
Michael Chan990ec382009-02-12 16:54:13 -08003120 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3121 L2_FHDR_ERRORS_PHY_DECODE |
3122 L2_FHDR_ERRORS_ALIGNMENT |
3123 L2_FHDR_ERRORS_TOO_SHORT |
3124 L2_FHDR_ERRORS_GIANT_FRAME))) {
3125
3126 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
3127 sw_ring_prod);
3128 if (pg_ring_used) {
3129 int pages;
3130
3131 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3132
3133 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3134 }
3135 goto next_rx;
3136 }
3137
Michael Chan1db82f22007-12-12 11:19:35 -08003138 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003139
Michael Chan5d5d0012007-12-12 11:17:43 -08003140 if (len <= bp->rx_copy_thresh) {
Michael Chanb6016b72005-05-26 13:03:09 -07003141 struct sk_buff *new_skb;
3142
Michael Chanf22828e2008-08-14 15:30:14 -07003143 new_skb = netdev_alloc_skb(bp->dev, len + 6);
Michael Chan85833c62007-12-12 11:17:01 -08003144 if (new_skb == NULL) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003145 bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003146 sw_ring_prod);
3147 goto next_rx;
3148 }
Michael Chanb6016b72005-05-26 13:03:09 -07003149
3150 /* aligned copy */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07003151 skb_copy_from_linear_data_offset(skb,
Michael Chanf22828e2008-08-14 15:30:14 -07003152 BNX2_RX_OFFSET - 6,
3153 new_skb->data, len + 6);
3154 skb_reserve(new_skb, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07003155 skb_put(new_skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003156
Michael Chanbb4f98a2008-06-19 16:38:19 -07003157 bnx2_reuse_rx_skb(bp, rxr, skb,
Michael Chanb6016b72005-05-26 13:03:09 -07003158 sw_ring_cons, sw_ring_prod);
3159
3160 skb = new_skb;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003161 } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
Michael Chana1f60192007-12-20 19:57:19 -08003162 dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
Michael Chanb6016b72005-05-26 13:03:09 -07003163 goto next_rx;
Michael Chanb6016b72005-05-26 13:03:09 -07003164
Michael Chanf22828e2008-08-14 15:30:14 -07003165 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
Jesse Gross7d0fd212010-10-20 13:56:09 +00003166 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
3167 __vlan_hwaccel_put_tag(skb, rx_hdr->l2_fhdr_vlan_tag);
Michael Chanf22828e2008-08-14 15:30:14 -07003168
Michael Chanb6016b72005-05-26 13:03:09 -07003169 skb->protocol = eth_type_trans(skb, bp->dev);
3170
3171 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07003172 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003173
Michael Chan745720e2006-06-29 12:37:41 -07003174 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003175 goto next_rx;
3176
3177 }
3178
Eric Dumazetbc8acf22010-09-02 13:07:41 -07003179 skb_checksum_none_assert(skb);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00003180 if ((bp->dev->features & NETIF_F_RXCSUM) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003181 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3182 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3183
Michael Chanade2bfe2006-01-23 16:09:51 -08003184 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3185 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003186 skb->ip_summed = CHECKSUM_UNNECESSARY;
3187 }
Michael Chanfdc85412010-07-03 20:42:16 +00003188 if ((bp->dev->features & NETIF_F_RXHASH) &&
3189 ((status & L2_FHDR_STATUS_USE_RXHASH) ==
3190 L2_FHDR_STATUS_USE_RXHASH))
3191 skb->rxhash = rx_hdr->l2_fhdr_hash;
Michael Chanb6016b72005-05-26 13:03:09 -07003192
David S. Miller0c8dfc82009-01-27 16:22:32 -08003193 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
Jesse Gross7d0fd212010-10-20 13:56:09 +00003194 napi_gro_receive(&bnapi->napi, skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003195 rx_pkt++;
3196
3197next_rx:
Michael Chanb6016b72005-05-26 13:03:09 -07003198 sw_cons = NEXT_RX_BD(sw_cons);
3199 sw_prod = NEXT_RX_BD(sw_prod);
3200
3201 if ((rx_pkt == budget))
3202 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003203
3204 /* Refresh hw_cons to see if there is new work */
3205 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003206 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003207 rmb();
3208 }
Michael Chanb6016b72005-05-26 13:03:09 -07003209 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003210 rxr->rx_cons = sw_cons;
3211 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003212
Michael Chan1db82f22007-12-12 11:19:35 -08003213 if (pg_ring_used)
Michael Chanbb4f98a2008-06-19 16:38:19 -07003214 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003215
Michael Chanbb4f98a2008-06-19 16:38:19 -07003216 REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003217
Michael Chanbb4f98a2008-06-19 16:38:19 -07003218 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003219
3220 mmiowb();
3221
3222 return rx_pkt;
3223
3224}
3225
3226/* MSI ISR - The only difference between this and the INTx ISR
3227 * is that the MSI interrupt is always serviced.
3228 */
3229static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003230bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003231{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003232 struct bnx2_napi *bnapi = dev_instance;
3233 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003234
Michael Chan43e80b82008-06-19 16:41:08 -07003235 prefetch(bnapi->status_blk.msi);
Michael Chanb6016b72005-05-26 13:03:09 -07003236 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3237 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3238 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3239
3240 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003241 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3242 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003243
Ben Hutchings288379f2009-01-19 16:43:59 -08003244 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003245
Michael Chan73eef4c2005-08-25 15:39:15 -07003246 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003247}
3248
3249static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003250bnx2_msi_1shot(int irq, void *dev_instance)
3251{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003252 struct bnx2_napi *bnapi = dev_instance;
3253 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003254
Michael Chan43e80b82008-06-19 16:41:08 -07003255 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003256
3257 /* Return here if interrupt is disabled. */
3258 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3259 return IRQ_HANDLED;
3260
Ben Hutchings288379f2009-01-19 16:43:59 -08003261 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003262
3263 return IRQ_HANDLED;
3264}
3265
3266static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003267bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003268{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003269 struct bnx2_napi *bnapi = dev_instance;
3270 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003271 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003272
3273 /* When using INTx, it is possible for the interrupt to arrive
3274 * at the CPU before the status block posted prior to the
3275 * interrupt. Reading a register will flush the status block.
3276 * When using MSI, the MSI message will always complete after
3277 * the status block write.
3278 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003279 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003280 (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
3281 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003282 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003283
3284 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3285 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3286 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3287
Michael Chanb8a7ce72007-07-07 22:51:03 -07003288 /* Read back to deassert IRQ immediately to avoid too many
3289 * spurious interrupts.
3290 */
3291 REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
3292
Michael Chanb6016b72005-05-26 13:03:09 -07003293 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003294 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3295 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003296
Ben Hutchings288379f2009-01-19 16:43:59 -08003297 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003298 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003299 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003300 }
Michael Chanb6016b72005-05-26 13:03:09 -07003301
Michael Chan73eef4c2005-08-25 15:39:15 -07003302 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003303}
3304
Michael Chan43e80b82008-06-19 16:41:08 -07003305static inline int
3306bnx2_has_fast_work(struct bnx2_napi *bnapi)
3307{
3308 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3309 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3310
3311 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3312 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3313 return 1;
3314 return 0;
3315}
3316
Michael Chan0d8a6572007-07-07 22:49:43 -07003317#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3318 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003319
Michael Chanf4e418f2005-11-04 08:53:48 -08003320static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003321bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003322{
Michael Chan43e80b82008-06-19 16:41:08 -07003323 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003324
Michael Chan43e80b82008-06-19 16:41:08 -07003325 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003326 return 1;
3327
Michael Chan4edd4732009-06-08 18:14:42 -07003328#ifdef BCM_CNIC
3329 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3330 return 1;
3331#endif
3332
Michael Chanda3e4fb2007-05-03 13:24:23 -07003333 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3334 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003335 return 1;
3336
3337 return 0;
3338}
3339
Michael Chanefba0182008-12-03 00:36:15 -08003340static void
3341bnx2_chk_missed_msi(struct bnx2 *bp)
3342{
3343 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3344 u32 msi_ctrl;
3345
3346 if (bnx2_has_work(bnapi)) {
3347 msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL);
3348 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3349 return;
3350
3351 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
3352 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3353 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3354 REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
3355 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3356 }
3357 }
3358
3359 bp->idle_chk_status_idx = bnapi->last_status_idx;
3360}
3361
Michael Chan4edd4732009-06-08 18:14:42 -07003362#ifdef BCM_CNIC
3363static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3364{
3365 struct cnic_ops *c_ops;
3366
3367 if (!bnapi->cnic_present)
3368 return;
3369
3370 rcu_read_lock();
3371 c_ops = rcu_dereference(bp->cnic_ops);
3372 if (c_ops)
3373 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3374 bnapi->status_blk.msi);
3375 rcu_read_unlock();
3376}
3377#endif
3378
Michael Chan43e80b82008-06-19 16:41:08 -07003379static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003380{
Michael Chan43e80b82008-06-19 16:41:08 -07003381 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003382 u32 status_attn_bits = sblk->status_attn_bits;
3383 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003384
Michael Chanda3e4fb2007-05-03 13:24:23 -07003385 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3386 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003387
Michael Chan35efa7c2007-12-20 19:56:37 -08003388 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003389
3390 /* This is needed to take care of transient status
3391 * during link changes.
3392 */
3393 REG_WR(bp, BNX2_HC_COMMAND,
3394 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3395 REG_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003396 }
Michael Chan43e80b82008-06-19 16:41:08 -07003397}
3398
3399static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3400 int work_done, int budget)
3401{
3402 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3403 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003404
Michael Chan35e90102008-06-19 16:37:42 -07003405 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003406 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003407
Michael Chanbb4f98a2008-06-19 16:38:19 -07003408 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003409 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003410
David S. Miller6f535762007-10-11 18:08:29 -07003411 return work_done;
3412}
Michael Chanf4e418f2005-11-04 08:53:48 -08003413
Michael Chanf0ea2e62008-06-19 16:41:57 -07003414static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3415{
3416 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3417 struct bnx2 *bp = bnapi->bp;
3418 int work_done = 0;
3419 struct status_block_msix *sblk = bnapi->status_blk.msix;
3420
3421 while (1) {
3422 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3423 if (unlikely(work_done >= budget))
3424 break;
3425
3426 bnapi->last_status_idx = sblk->status_idx;
3427 /* status idx must be read before checking for more work. */
3428 rmb();
3429 if (likely(!bnx2_has_fast_work(bnapi))) {
3430
Ben Hutchings288379f2009-01-19 16:43:59 -08003431 napi_complete(napi);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003432 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3433 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3434 bnapi->last_status_idx);
3435 break;
3436 }
3437 }
3438 return work_done;
3439}
3440
David S. Miller6f535762007-10-11 18:08:29 -07003441static int bnx2_poll(struct napi_struct *napi, int budget)
3442{
Michael Chan35efa7c2007-12-20 19:56:37 -08003443 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3444 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003445 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003446 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003447
3448 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003449 bnx2_poll_link(bp, bnapi);
3450
Michael Chan35efa7c2007-12-20 19:56:37 -08003451 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003452
Michael Chan4edd4732009-06-08 18:14:42 -07003453#ifdef BCM_CNIC
3454 bnx2_poll_cnic(bp, bnapi);
3455#endif
3456
Michael Chan35efa7c2007-12-20 19:56:37 -08003457 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003458 * much work has been processed, so we must read it before
3459 * checking for more work.
3460 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003461 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003462
3463 if (unlikely(work_done >= budget))
3464 break;
3465
Michael Chan6dee6422007-10-12 01:40:38 -07003466 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003467 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003468 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003469 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
David S. Miller6f535762007-10-11 18:08:29 -07003470 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3471 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003472 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003473 break;
David S. Miller6f535762007-10-11 18:08:29 -07003474 }
3475 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3476 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3477 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
Michael Chan35efa7c2007-12-20 19:56:37 -08003478 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003479
Michael Chan1269a8a2006-01-23 16:11:03 -08003480 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3481 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
Michael Chan35efa7c2007-12-20 19:56:37 -08003482 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003483 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003484 }
Michael Chanb6016b72005-05-26 13:03:09 -07003485 }
3486
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003487 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003488}
3489
Herbert Xu932ff272006-06-09 12:20:56 -07003490/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003491 * from set_multicast.
3492 */
3493static void
3494bnx2_set_rx_mode(struct net_device *dev)
3495{
Michael Chan972ec0d2006-01-23 16:12:43 -08003496 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003497 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003498 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003499 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003500
Michael Chan9f52b562008-10-09 12:21:46 -07003501 if (!netif_running(dev))
3502 return;
3503
Michael Chanc770a652005-08-25 15:38:39 -07003504 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003505
3506 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3507 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3508 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
Jesse Gross7d0fd212010-10-20 13:56:09 +00003509 if (!(dev->features & NETIF_F_HW_VLAN_RX) &&
3510 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003511 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003512 if (dev->flags & IFF_PROMISC) {
3513 /* Promiscuous mode. */
3514 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003515 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3516 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003517 }
3518 else if (dev->flags & IFF_ALLMULTI) {
3519 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3520 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3521 0xffffffff);
3522 }
3523 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3524 }
3525 else {
3526 /* Accept one or more multicast(s). */
Michael Chanb6016b72005-05-26 13:03:09 -07003527 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3528 u32 regidx;
3529 u32 bit;
3530 u32 crc;
3531
3532 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3533
Jiri Pirko22bedad32010-04-01 21:22:57 +00003534 netdev_for_each_mc_addr(ha, dev) {
3535 crc = ether_crc_le(ETH_ALEN, ha->addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003536 bit = crc & 0xff;
3537 regidx = (bit & 0xe0) >> 5;
3538 bit &= 0x1f;
3539 mc_filter[regidx] |= (1 << bit);
3540 }
3541
3542 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3543 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3544 mc_filter[i]);
3545 }
3546
3547 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3548 }
3549
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003550 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003551 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3552 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3553 BNX2_RPM_SORT_USER0_PROM_VLAN;
3554 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003555 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003556 i = 0;
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003557 netdev_for_each_uc_addr(ha, dev) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003558 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003559 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3560 sort_mode |= (1 <<
3561 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003562 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003563 }
3564
3565 }
3566
Michael Chanb6016b72005-05-26 13:03:09 -07003567 if (rx_mode != bp->rx_mode) {
3568 bp->rx_mode = rx_mode;
3569 REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
3570 }
3571
3572 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3573 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3574 REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
3575
Michael Chanc770a652005-08-25 15:38:39 -07003576 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003577}
3578
Michael Chan57579f72009-04-04 16:51:14 -07003579static int __devinit
3580check_fw_section(const struct firmware *fw,
3581 const struct bnx2_fw_file_section *section,
3582 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003583{
Michael Chan57579f72009-04-04 16:51:14 -07003584 u32 offset = be32_to_cpu(section->offset);
3585 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003586
Michael Chan57579f72009-04-04 16:51:14 -07003587 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3588 return -EINVAL;
3589 if ((non_empty && len == 0) || len > fw->size - offset ||
3590 len & (alignment - 1))
3591 return -EINVAL;
3592 return 0;
3593}
3594
3595static int __devinit
3596check_mips_fw_entry(const struct firmware *fw,
3597 const struct bnx2_mips_fw_file_entry *entry)
3598{
3599 if (check_fw_section(fw, &entry->text, 4, true) ||
3600 check_fw_section(fw, &entry->data, 4, false) ||
3601 check_fw_section(fw, &entry->rodata, 4, false))
3602 return -EINVAL;
3603 return 0;
3604}
3605
3606static int __devinit
3607bnx2_request_firmware(struct bnx2 *bp)
3608{
3609 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003610 const struct bnx2_mips_fw_file *mips_fw;
3611 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003612 int rc;
3613
3614 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
3615 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan078b0732009-08-29 00:02:46 -07003616 if ((CHIP_ID(bp) == CHIP_ID_5709_A0) ||
3617 (CHIP_ID(bp) == CHIP_ID_5709_A1))
3618 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3619 else
3620 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003621 } else {
3622 mips_fw_file = FW_MIPS_FILE_06;
3623 rv2p_fw_file = FW_RV2P_FILE_06;
3624 }
3625
3626 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3627 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003628 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003629 return rc;
3630 }
3631
3632 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3633 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003634 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003635 return rc;
3636 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003637 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3638 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3639 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3640 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3641 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3642 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3643 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3644 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003645 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003646 return -EINVAL;
3647 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003648 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3649 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3650 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003651 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
Michael Chan57579f72009-04-04 16:51:14 -07003652 return -EINVAL;
3653 }
3654
3655 return 0;
3656}
3657
3658static u32
3659rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3660{
3661 switch (idx) {
3662 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3663 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3664 rv2p_code |= RV2P_BD_PAGE_SIZE;
3665 break;
3666 }
3667 return rv2p_code;
3668}
3669
3670static int
3671load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3672 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3673{
3674 u32 rv2p_code_len, file_offset;
3675 __be32 *rv2p_code;
3676 int i;
3677 u32 val, cmd, addr;
3678
3679 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3680 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3681
3682 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3683
3684 if (rv2p_proc == RV2P_PROC1) {
3685 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3686 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3687 } else {
3688 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3689 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003690 }
Michael Chanb6016b72005-05-26 13:03:09 -07003691
3692 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chan57579f72009-04-04 16:51:14 -07003693 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003694 rv2p_code++;
Michael Chan57579f72009-04-04 16:51:14 -07003695 REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003696 rv2p_code++;
3697
Michael Chan57579f72009-04-04 16:51:14 -07003698 val = (i / 8) | cmd;
3699 REG_WR(bp, addr, val);
3700 }
3701
3702 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3703 for (i = 0; i < 8; i++) {
3704 u32 loc, code;
3705
3706 loc = be32_to_cpu(fw_entry->fixup[i]);
3707 if (loc && ((loc * 4) < rv2p_code_len)) {
3708 code = be32_to_cpu(*(rv2p_code + loc - 1));
3709 REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
3710 code = be32_to_cpu(*(rv2p_code + loc));
3711 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
3712 REG_WR(bp, BNX2_RV2P_INSTR_LOW, code);
3713
3714 val = (loc / 2) | cmd;
3715 REG_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003716 }
3717 }
3718
3719 /* Reset the processor, un-stall is done later. */
3720 if (rv2p_proc == RV2P_PROC1) {
3721 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
3722 }
3723 else {
3724 REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
3725 }
Michael Chan57579f72009-04-04 16:51:14 -07003726
3727 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003728}
3729
Michael Chanaf3ee512006-11-19 14:09:25 -08003730static int
Michael Chan57579f72009-04-04 16:51:14 -07003731load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3732 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003733{
Michael Chan57579f72009-04-04 16:51:14 -07003734 u32 addr, len, file_offset;
3735 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003736 u32 offset;
3737 u32 val;
3738
3739 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003740 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003741 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003742 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3743 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003744
3745 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003746 addr = be32_to_cpu(fw_entry->text.addr);
3747 len = be32_to_cpu(fw_entry->text.len);
3748 file_offset = be32_to_cpu(fw_entry->text.offset);
3749 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3750
3751 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3752 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003753 int j;
3754
Michael Chan57579f72009-04-04 16:51:14 -07003755 for (j = 0; j < (len / 4); j++, offset += 4)
3756 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003757 }
3758
3759 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003760 addr = be32_to_cpu(fw_entry->data.addr);
3761 len = be32_to_cpu(fw_entry->data.len);
3762 file_offset = be32_to_cpu(fw_entry->data.offset);
3763 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3764
3765 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3766 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003767 int j;
3768
Michael Chan57579f72009-04-04 16:51:14 -07003769 for (j = 0; j < (len / 4); j++, offset += 4)
3770 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003771 }
3772
3773 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003774 addr = be32_to_cpu(fw_entry->rodata.addr);
3775 len = be32_to_cpu(fw_entry->rodata.len);
3776 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3777 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3778
3779 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3780 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003781 int j;
3782
Michael Chan57579f72009-04-04 16:51:14 -07003783 for (j = 0; j < (len / 4); j++, offset += 4)
3784 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003785 }
3786
3787 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003788 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003789
3790 val = be32_to_cpu(fw_entry->start_addr);
3791 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003792
3793 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003794 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003795 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003796 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3797 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003798
3799 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003800}
3801
Michael Chanfba9fe92006-06-12 22:21:25 -07003802static int
Michael Chanb6016b72005-05-26 13:03:09 -07003803bnx2_init_cpus(struct bnx2 *bp)
3804{
Michael Chan57579f72009-04-04 16:51:14 -07003805 const struct bnx2_mips_fw_file *mips_fw =
3806 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3807 const struct bnx2_rv2p_fw_file *rv2p_fw =
3808 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3809 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003810
3811 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003812 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3813 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003814
3815 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003816 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
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 Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003821 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
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 TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003826 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
Michael Chanfba9fe92006-06-12 22:21:25 -07003827 if (rc)
3828 goto init_cpu_err;
3829
Michael Chanb6016b72005-05-26 13:03:09 -07003830 /* Initialize the Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003831 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003832 if (rc)
3833 goto init_cpu_err;
3834
Michael Chand43584c2006-11-19 14:14:35 -08003835 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003836 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003837
Michael Chanfba9fe92006-06-12 22:21:25 -07003838init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003839 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003840}
3841
3842static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07003843bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07003844{
3845 u16 pmcsr;
3846
3847 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
3848
3849 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07003850 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07003851 u32 val;
3852
3853 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3854 (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
3855 PCI_PM_CTRL_PME_STATUS);
3856
3857 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
3858 /* delay required during transition out of D3hot */
3859 msleep(20);
3860
3861 val = REG_RD(bp, BNX2_EMAC_MODE);
3862 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
3863 val &= ~BNX2_EMAC_MODE_MPKT;
3864 REG_WR(bp, BNX2_EMAC_MODE, val);
3865
3866 val = REG_RD(bp, BNX2_RPM_CONFIG);
3867 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3868 REG_WR(bp, BNX2_RPM_CONFIG, val);
3869 break;
3870 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07003871 case PCI_D3hot: {
Michael Chanb6016b72005-05-26 13:03:09 -07003872 int i;
3873 u32 val, wol_msg;
3874
3875 if (bp->wol) {
3876 u32 advertising;
3877 u8 autoneg;
3878
3879 autoneg = bp->autoneg;
3880 advertising = bp->advertising;
3881
Michael Chan239cd342007-10-17 19:26:15 -07003882 if (bp->phy_port == PORT_TP) {
3883 bp->autoneg = AUTONEG_SPEED;
3884 bp->advertising = ADVERTISED_10baseT_Half |
3885 ADVERTISED_10baseT_Full |
3886 ADVERTISED_100baseT_Half |
3887 ADVERTISED_100baseT_Full |
3888 ADVERTISED_Autoneg;
3889 }
Michael Chanb6016b72005-05-26 13:03:09 -07003890
Michael Chan239cd342007-10-17 19:26:15 -07003891 spin_lock_bh(&bp->phy_lock);
3892 bnx2_setup_phy(bp, bp->phy_port);
3893 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003894
3895 bp->autoneg = autoneg;
3896 bp->advertising = advertising;
3897
Benjamin Li5fcaed02008-07-14 22:39:52 -07003898 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003899
3900 val = REG_RD(bp, BNX2_EMAC_MODE);
3901
3902 /* Enable port mode. */
3903 val &= ~BNX2_EMAC_MODE_PORT;
Michael Chan239cd342007-10-17 19:26:15 -07003904 val |= BNX2_EMAC_MODE_MPKT_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003905 BNX2_EMAC_MODE_ACPI_RCVD |
Michael Chanb6016b72005-05-26 13:03:09 -07003906 BNX2_EMAC_MODE_MPKT;
Michael Chan239cd342007-10-17 19:26:15 -07003907 if (bp->phy_port == PORT_TP)
3908 val |= BNX2_EMAC_MODE_PORT_MII;
3909 else {
3910 val |= BNX2_EMAC_MODE_PORT_GMII;
3911 if (bp->line_speed == SPEED_2500)
3912 val |= BNX2_EMAC_MODE_25G_MODE;
3913 }
Michael Chanb6016b72005-05-26 13:03:09 -07003914
3915 REG_WR(bp, BNX2_EMAC_MODE, val);
3916
3917 /* receive all multicast */
3918 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3919 REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3920 0xffffffff);
3921 }
3922 REG_WR(bp, BNX2_EMAC_RX_MODE,
3923 BNX2_EMAC_RX_MODE_SORT_MODE);
3924
3925 val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
3926 BNX2_RPM_SORT_USER0_MC_EN;
3927 REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3928 REG_WR(bp, BNX2_RPM_SORT_USER0, val);
3929 REG_WR(bp, BNX2_RPM_SORT_USER0, val |
3930 BNX2_RPM_SORT_USER0_ENA);
3931
3932 /* Need to enable EMAC and RPM for WOL. */
3933 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3934 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3935 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3936 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3937
3938 val = REG_RD(bp, BNX2_RPM_CONFIG);
3939 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3940 REG_WR(bp, BNX2_RPM_CONFIG, val);
3941
3942 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
3943 }
3944 else {
3945 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
3946 }
3947
David S. Millerf86e82f2008-01-21 17:15:40 -08003948 if (!(bp->flags & BNX2_FLAG_NO_WOL))
Michael Chana2f13892008-07-14 22:38:23 -07003949 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
3950 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003951
3952 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
3953 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
3954 (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
3955
3956 if (bp->wol)
3957 pmcsr |= 3;
3958 }
3959 else {
3960 pmcsr |= 3;
3961 }
3962 if (bp->wol) {
3963 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
3964 }
3965 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
3966 pmcsr);
3967
3968 /* No more memory access after this point until
3969 * device is brought back to D0.
3970 */
3971 udelay(50);
3972 break;
3973 }
3974 default:
3975 return -EINVAL;
3976 }
3977 return 0;
3978}
3979
3980static int
3981bnx2_acquire_nvram_lock(struct bnx2 *bp)
3982{
3983 u32 val;
3984 int j;
3985
3986 /* Request access to the flash interface. */
3987 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
3988 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
3989 val = REG_RD(bp, BNX2_NVM_SW_ARB);
3990 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
3991 break;
3992
3993 udelay(5);
3994 }
3995
3996 if (j >= NVRAM_TIMEOUT_COUNT)
3997 return -EBUSY;
3998
3999 return 0;
4000}
4001
4002static int
4003bnx2_release_nvram_lock(struct bnx2 *bp)
4004{
4005 int j;
4006 u32 val;
4007
4008 /* Relinquish nvram interface. */
4009 REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
4010
4011 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4012 val = REG_RD(bp, BNX2_NVM_SW_ARB);
4013 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4014 break;
4015
4016 udelay(5);
4017 }
4018
4019 if (j >= NVRAM_TIMEOUT_COUNT)
4020 return -EBUSY;
4021
4022 return 0;
4023}
4024
4025
4026static int
4027bnx2_enable_nvram_write(struct bnx2 *bp)
4028{
4029 u32 val;
4030
4031 val = REG_RD(bp, BNX2_MISC_CFG);
4032 REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
4033
Michael Chane30372c2007-07-16 18:26:23 -07004034 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004035 int j;
4036
4037 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4038 REG_WR(bp, BNX2_NVM_COMMAND,
4039 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
4040
4041 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4042 udelay(5);
4043
4044 val = REG_RD(bp, BNX2_NVM_COMMAND);
4045 if (val & BNX2_NVM_COMMAND_DONE)
4046 break;
4047 }
4048
4049 if (j >= NVRAM_TIMEOUT_COUNT)
4050 return -EBUSY;
4051 }
4052 return 0;
4053}
4054
4055static void
4056bnx2_disable_nvram_write(struct bnx2 *bp)
4057{
4058 u32 val;
4059
4060 val = REG_RD(bp, BNX2_MISC_CFG);
4061 REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
4062}
4063
4064
4065static void
4066bnx2_enable_nvram_access(struct bnx2 *bp)
4067{
4068 u32 val;
4069
4070 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4071 /* Enable both bits, even on read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004072 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004073 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
4074}
4075
4076static void
4077bnx2_disable_nvram_access(struct bnx2 *bp)
4078{
4079 u32 val;
4080
4081 val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
4082 /* Disable both bits, even after read. */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004083 REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004084 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4085 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4086}
4087
4088static int
4089bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4090{
4091 u32 cmd;
4092 int j;
4093
Michael Chane30372c2007-07-16 18:26:23 -07004094 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004095 /* Buffered flash, no erase needed */
4096 return 0;
4097
4098 /* Build an erase command */
4099 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4100 BNX2_NVM_COMMAND_DOIT;
4101
4102 /* Need to clear DONE bit separately. */
4103 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4104
4105 /* Address of the NVRAM to read from. */
4106 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4107
4108 /* Issue an erase command. */
4109 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4110
4111 /* Wait for completion. */
4112 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4113 u32 val;
4114
4115 udelay(5);
4116
4117 val = REG_RD(bp, BNX2_NVM_COMMAND);
4118 if (val & BNX2_NVM_COMMAND_DONE)
4119 break;
4120 }
4121
4122 if (j >= NVRAM_TIMEOUT_COUNT)
4123 return -EBUSY;
4124
4125 return 0;
4126}
4127
4128static int
4129bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4130{
4131 u32 cmd;
4132 int j;
4133
4134 /* Build the command word. */
4135 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4136
Michael Chane30372c2007-07-16 18:26:23 -07004137 /* Calculate an offset of a buffered flash, not needed for 5709. */
4138 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004139 offset = ((offset / bp->flash_info->page_size) <<
4140 bp->flash_info->page_bits) +
4141 (offset % bp->flash_info->page_size);
4142 }
4143
4144 /* Need to clear DONE bit separately. */
4145 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4146
4147 /* Address of the NVRAM to read from. */
4148 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4149
4150 /* Issue a read command. */
4151 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4152
4153 /* Wait for completion. */
4154 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4155 u32 val;
4156
4157 udelay(5);
4158
4159 val = REG_RD(bp, BNX2_NVM_COMMAND);
4160 if (val & BNX2_NVM_COMMAND_DONE) {
Al Virob491edd2007-12-22 19:44:51 +00004161 __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
4162 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004163 break;
4164 }
4165 }
4166 if (j >= NVRAM_TIMEOUT_COUNT)
4167 return -EBUSY;
4168
4169 return 0;
4170}
4171
4172
4173static int
4174bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4175{
Al Virob491edd2007-12-22 19:44:51 +00004176 u32 cmd;
4177 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004178 int j;
4179
4180 /* Build the command word. */
4181 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4182
Michael Chane30372c2007-07-16 18:26:23 -07004183 /* Calculate an offset of a buffered flash, not needed for 5709. */
4184 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004185 offset = ((offset / bp->flash_info->page_size) <<
4186 bp->flash_info->page_bits) +
4187 (offset % bp->flash_info->page_size);
4188 }
4189
4190 /* Need to clear DONE bit separately. */
4191 REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4192
4193 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004194
4195 /* Write the data. */
Al Virob491edd2007-12-22 19:44:51 +00004196 REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004197
4198 /* Address of the NVRAM to write to. */
4199 REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
4200
4201 /* Issue the write command. */
4202 REG_WR(bp, BNX2_NVM_COMMAND, cmd);
4203
4204 /* Wait for completion. */
4205 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4206 udelay(5);
4207
4208 if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
4209 break;
4210 }
4211 if (j >= NVRAM_TIMEOUT_COUNT)
4212 return -EBUSY;
4213
4214 return 0;
4215}
4216
4217static int
4218bnx2_init_nvram(struct bnx2 *bp)
4219{
4220 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004221 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004222 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004223
Michael Chane30372c2007-07-16 18:26:23 -07004224 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4225 bp->flash_info = &flash_5709;
4226 goto get_flash_size;
4227 }
4228
Michael Chanb6016b72005-05-26 13:03:09 -07004229 /* Determine the selected interface. */
4230 val = REG_RD(bp, BNX2_NVM_CFG1);
4231
Denis Chengff8ac602007-09-02 18:30:18 +08004232 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004233
Michael Chanb6016b72005-05-26 13:03:09 -07004234 if (val & 0x40000000) {
4235
4236 /* Flash interface has been reconfigured */
4237 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004238 j++, flash++) {
4239 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4240 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004241 bp->flash_info = flash;
4242 break;
4243 }
4244 }
4245 }
4246 else {
Michael Chan37137702005-11-04 08:49:17 -08004247 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004248 /* Not yet been reconfigured */
4249
Michael Chan37137702005-11-04 08:49:17 -08004250 if (val & (1 << 23))
4251 mask = FLASH_BACKUP_STRAP_MASK;
4252 else
4253 mask = FLASH_STRAP_MASK;
4254
Michael Chanb6016b72005-05-26 13:03:09 -07004255 for (j = 0, flash = &flash_table[0]; j < entry_count;
4256 j++, flash++) {
4257
Michael Chan37137702005-11-04 08:49:17 -08004258 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004259 bp->flash_info = flash;
4260
4261 /* Request access to the flash interface. */
4262 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4263 return rc;
4264
4265 /* Enable access to flash interface */
4266 bnx2_enable_nvram_access(bp);
4267
4268 /* Reconfigure the flash interface */
4269 REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
4270 REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
4271 REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
4272 REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
4273
4274 /* Disable access to flash interface */
4275 bnx2_disable_nvram_access(bp);
4276 bnx2_release_nvram_lock(bp);
4277
4278 break;
4279 }
4280 }
4281 } /* if (val & 0x40000000) */
4282
4283 if (j == entry_count) {
4284 bp->flash_info = NULL;
Joe Perches3a9c6a42010-02-17 15:01:51 +00004285 pr_alert("Unknown flash/EEPROM type\n");
Michael Chan1122db72006-01-23 16:11:42 -08004286 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004287 }
4288
Michael Chane30372c2007-07-16 18:26:23 -07004289get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004290 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004291 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4292 if (val)
4293 bp->flash_size = val;
4294 else
4295 bp->flash_size = bp->flash_info->total_size;
4296
Michael Chanb6016b72005-05-26 13:03:09 -07004297 return rc;
4298}
4299
4300static int
4301bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4302 int buf_size)
4303{
4304 int rc = 0;
4305 u32 cmd_flags, offset32, len32, extra;
4306
4307 if (buf_size == 0)
4308 return 0;
4309
4310 /* Request access to the flash interface. */
4311 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4312 return rc;
4313
4314 /* Enable access to flash interface */
4315 bnx2_enable_nvram_access(bp);
4316
4317 len32 = buf_size;
4318 offset32 = offset;
4319 extra = 0;
4320
4321 cmd_flags = 0;
4322
4323 if (offset32 & 3) {
4324 u8 buf[4];
4325 u32 pre_len;
4326
4327 offset32 &= ~3;
4328 pre_len = 4 - (offset & 3);
4329
4330 if (pre_len >= len32) {
4331 pre_len = len32;
4332 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4333 BNX2_NVM_COMMAND_LAST;
4334 }
4335 else {
4336 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4337 }
4338
4339 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4340
4341 if (rc)
4342 return rc;
4343
4344 memcpy(ret_buf, buf + (offset & 3), pre_len);
4345
4346 offset32 += 4;
4347 ret_buf += pre_len;
4348 len32 -= pre_len;
4349 }
4350 if (len32 & 3) {
4351 extra = 4 - (len32 & 3);
4352 len32 = (len32 + 4) & ~3;
4353 }
4354
4355 if (len32 == 4) {
4356 u8 buf[4];
4357
4358 if (cmd_flags)
4359 cmd_flags = BNX2_NVM_COMMAND_LAST;
4360 else
4361 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4362 BNX2_NVM_COMMAND_LAST;
4363
4364 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4365
4366 memcpy(ret_buf, buf, 4 - extra);
4367 }
4368 else if (len32 > 0) {
4369 u8 buf[4];
4370
4371 /* Read the first word. */
4372 if (cmd_flags)
4373 cmd_flags = 0;
4374 else
4375 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4376
4377 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4378
4379 /* Advance to the next dword. */
4380 offset32 += 4;
4381 ret_buf += 4;
4382 len32 -= 4;
4383
4384 while (len32 > 4 && rc == 0) {
4385 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4386
4387 /* Advance to the next dword. */
4388 offset32 += 4;
4389 ret_buf += 4;
4390 len32 -= 4;
4391 }
4392
4393 if (rc)
4394 return rc;
4395
4396 cmd_flags = BNX2_NVM_COMMAND_LAST;
4397 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4398
4399 memcpy(ret_buf, buf, 4 - extra);
4400 }
4401
4402 /* Disable access to flash interface */
4403 bnx2_disable_nvram_access(bp);
4404
4405 bnx2_release_nvram_lock(bp);
4406
4407 return rc;
4408}
4409
4410static int
4411bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4412 int buf_size)
4413{
4414 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004415 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004416 int rc = 0;
4417 int align_start, align_end;
4418
4419 buf = data_buf;
4420 offset32 = offset;
4421 len32 = buf_size;
4422 align_start = align_end = 0;
4423
4424 if ((align_start = (offset32 & 3))) {
4425 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004426 len32 += align_start;
4427 if (len32 < 4)
4428 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004429 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4430 return rc;
4431 }
4432
4433 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004434 align_end = 4 - (len32 & 3);
4435 len32 += align_end;
4436 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4437 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004438 }
4439
4440 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004441 align_buf = kmalloc(len32, GFP_KERNEL);
4442 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004443 return -ENOMEM;
4444 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004445 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004446 }
4447 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004448 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004449 }
Michael Chane6be7632007-01-08 19:56:13 -08004450 memcpy(align_buf + align_start, data_buf, buf_size);
4451 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004452 }
4453
Michael Chane30372c2007-07-16 18:26:23 -07004454 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004455 flash_buffer = kmalloc(264, GFP_KERNEL);
4456 if (flash_buffer == NULL) {
4457 rc = -ENOMEM;
4458 goto nvram_write_end;
4459 }
4460 }
4461
Michael Chanb6016b72005-05-26 13:03:09 -07004462 written = 0;
4463 while ((written < len32) && (rc == 0)) {
4464 u32 page_start, page_end, data_start, data_end;
4465 u32 addr, cmd_flags;
4466 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004467
4468 /* Find the page_start addr */
4469 page_start = offset32 + written;
4470 page_start -= (page_start % bp->flash_info->page_size);
4471 /* Find the page_end addr */
4472 page_end = page_start + bp->flash_info->page_size;
4473 /* Find the data_start addr */
4474 data_start = (written == 0) ? offset32 : page_start;
4475 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004476 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004477 (offset32 + len32) : page_end;
4478
4479 /* Request access to the flash interface. */
4480 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4481 goto nvram_write_end;
4482
4483 /* Enable access to flash interface */
4484 bnx2_enable_nvram_access(bp);
4485
4486 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004487 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004488 int j;
4489
4490 /* Read the whole page into the buffer
4491 * (non-buffer flash only) */
4492 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4493 if (j == (bp->flash_info->page_size - 4)) {
4494 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4495 }
4496 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004497 page_start + j,
4498 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004499 cmd_flags);
4500
4501 if (rc)
4502 goto nvram_write_end;
4503
4504 cmd_flags = 0;
4505 }
4506 }
4507
4508 /* Enable writes to flash interface (unlock write-protect) */
4509 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4510 goto nvram_write_end;
4511
Michael Chanb6016b72005-05-26 13:03:09 -07004512 /* Loop to write back the buffer data from page_start to
4513 * data_start */
4514 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004515 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004516 /* Erase the page */
4517 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4518 goto nvram_write_end;
4519
4520 /* Re-enable the write again for the actual write */
4521 bnx2_enable_nvram_write(bp);
4522
Michael Chanb6016b72005-05-26 13:03:09 -07004523 for (addr = page_start; addr < data_start;
4524 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004525
Michael Chanb6016b72005-05-26 13:03:09 -07004526 rc = bnx2_nvram_write_dword(bp, addr,
4527 &flash_buffer[i], cmd_flags);
4528
4529 if (rc != 0)
4530 goto nvram_write_end;
4531
4532 cmd_flags = 0;
4533 }
4534 }
4535
4536 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004537 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004538 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004539 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004540 (addr == data_end - 4))) {
4541
4542 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4543 }
4544 rc = bnx2_nvram_write_dword(bp, addr, buf,
4545 cmd_flags);
4546
4547 if (rc != 0)
4548 goto nvram_write_end;
4549
4550 cmd_flags = 0;
4551 buf += 4;
4552 }
4553
4554 /* Loop to write back the buffer data from data_end
4555 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004556 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004557 for (addr = data_end; addr < page_end;
4558 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004559
Michael Chanb6016b72005-05-26 13:03:09 -07004560 if (addr == page_end-4) {
4561 cmd_flags = BNX2_NVM_COMMAND_LAST;
4562 }
4563 rc = bnx2_nvram_write_dword(bp, addr,
4564 &flash_buffer[i], cmd_flags);
4565
4566 if (rc != 0)
4567 goto nvram_write_end;
4568
4569 cmd_flags = 0;
4570 }
4571 }
4572
4573 /* Disable writes to flash interface (lock write-protect) */
4574 bnx2_disable_nvram_write(bp);
4575
4576 /* Disable access to flash interface */
4577 bnx2_disable_nvram_access(bp);
4578 bnx2_release_nvram_lock(bp);
4579
4580 /* Increment written */
4581 written += data_end - data_start;
4582 }
4583
4584nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004585 kfree(flash_buffer);
4586 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004587 return rc;
4588}
4589
Michael Chan0d8a6572007-07-07 22:49:43 -07004590static void
Michael Chan7c62e832008-07-14 22:39:03 -07004591bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004592{
Michael Chan7c62e832008-07-14 22:39:03 -07004593 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004594
Michael Chan583c28e2008-01-21 19:51:35 -08004595 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004596 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4597
4598 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4599 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004600
Michael Chan2726d6e2008-01-29 21:35:05 -08004601 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004602 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4603 return;
4604
Michael Chan7c62e832008-07-14 22:39:03 -07004605 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4606 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4607 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4608 }
4609
4610 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4611 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4612 u32 link;
4613
Michael Chan583c28e2008-01-21 19:51:35 -08004614 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004615
Michael Chan7c62e832008-07-14 22:39:03 -07004616 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4617 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004618 bp->phy_port = PORT_FIBRE;
4619 else
4620 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004621
Michael Chan7c62e832008-07-14 22:39:03 -07004622 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4623 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004624 }
Michael Chan7c62e832008-07-14 22:39:03 -07004625
4626 if (netif_running(bp->dev) && sig)
4627 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004628}
4629
Michael Chanb4b36042007-12-20 19:59:30 -08004630static void
4631bnx2_setup_msix_tbl(struct bnx2 *bp)
4632{
4633 REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
4634
4635 REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4636 REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
4637}
4638
Michael Chanb6016b72005-05-26 13:03:09 -07004639static int
4640bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4641{
4642 u32 val;
4643 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004644 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004645
4646 /* Wait for the current PCI transaction to complete before
4647 * issuing a reset. */
Eddie Waia5dac102010-11-24 13:48:54 +00004648 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
4649 (CHIP_NUM(bp) == CHIP_NUM_5708)) {
4650 REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4651 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4652 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4653 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4654 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4655 val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
4656 udelay(5);
4657 } else { /* 5709 */
4658 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4659 val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4660 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4661 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4662
4663 for (i = 0; i < 100; i++) {
4664 msleep(1);
4665 val = REG_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
4666 if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
4667 break;
4668 }
4669 }
Michael Chanb6016b72005-05-26 13:03:09 -07004670
Michael Chanb090ae22006-01-23 16:07:10 -08004671 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004672 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004673
Michael Chanb6016b72005-05-26 13:03:09 -07004674 /* Deposit a driver reset signature so the firmware knows that
4675 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004676 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4677 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004678
Michael Chanb6016b72005-05-26 13:03:09 -07004679 /* Do a dummy read to force the chip to complete all current transaction
4680 * before we issue a reset. */
4681 val = REG_RD(bp, BNX2_MISC_ID);
4682
Michael Chan234754d2006-11-19 14:11:41 -08004683 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4684 REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4685 REG_RD(bp, BNX2_MISC_COMMAND);
4686 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004687
Michael Chan234754d2006-11-19 14:11:41 -08004688 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4689 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004690
Michael Chanbe7ff1a2010-11-24 13:48:55 +00004691 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004692
Michael Chan234754d2006-11-19 14:11:41 -08004693 } else {
4694 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4695 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4696 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4697
4698 /* Chip reset. */
4699 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
4700
Michael Chan594a9df2007-08-28 15:39:42 -07004701 /* Reading back any register after chip reset will hang the
4702 * bus on 5706 A0 and A1. The msleep below provides plenty
4703 * of margin for write posting.
4704 */
Michael Chan234754d2006-11-19 14:11:41 -08004705 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
Arjan van de Ven8e545882007-08-28 14:34:43 -07004706 (CHIP_ID(bp) == CHIP_ID_5706_A1))
4707 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004708
Michael Chan234754d2006-11-19 14:11:41 -08004709 /* Reset takes approximate 30 usec */
4710 for (i = 0; i < 10; i++) {
4711 val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
4712 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4713 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4714 break;
4715 udelay(10);
4716 }
4717
4718 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4719 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004720 pr_err("Chip reset did not complete\n");
Michael Chan234754d2006-11-19 14:11:41 -08004721 return -EBUSY;
4722 }
Michael Chanb6016b72005-05-26 13:03:09 -07004723 }
4724
4725 /* Make sure byte swapping is properly configured. */
4726 val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
4727 if (val != 0x01020304) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004728 pr_err("Chip not in correct endian mode\n");
Michael Chanb6016b72005-05-26 13:03:09 -07004729 return -ENODEV;
4730 }
4731
Michael Chanb6016b72005-05-26 13:03:09 -07004732 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004733 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004734 if (rc)
4735 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004736
Michael Chan0d8a6572007-07-07 22:49:43 -07004737 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004738 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004739 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004740 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4741 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004742 bnx2_set_default_remote_link(bp);
4743 spin_unlock_bh(&bp->phy_lock);
4744
Michael Chanb6016b72005-05-26 13:03:09 -07004745 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4746 /* Adjust the voltage regular to two steps lower. The default
4747 * of this register is 0x0000000e. */
4748 REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
4749
4750 /* Remove bad rbuf memory from the free pool. */
4751 rc = bnx2_alloc_bad_rbuf(bp);
4752 }
4753
Michael Chanc441b8d2010-04-27 11:28:09 +00004754 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanb4b36042007-12-20 19:59:30 -08004755 bnx2_setup_msix_tbl(bp);
Michael Chanc441b8d2010-04-27 11:28:09 +00004756 /* Prevent MSIX table reads and write from timing out */
4757 REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
4758 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4759 }
Michael Chanb4b36042007-12-20 19:59:30 -08004760
Michael Chanb6016b72005-05-26 13:03:09 -07004761 return rc;
4762}
4763
4764static int
4765bnx2_init_chip(struct bnx2 *bp)
4766{
Michael Chand8026d92008-11-12 16:02:20 -08004767 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004768 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004769
4770 /* Make sure the interrupt is not active. */
4771 REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
4772
4773 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4774 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4775#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004776 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004777#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004778 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004779 DMA_READ_CHANS << 12 |
4780 DMA_WRITE_CHANS << 16;
4781
4782 val |= (0x2 << 20) | (1 << 11);
4783
David S. Millerf86e82f2008-01-21 17:15:40 -08004784 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004785 val |= (1 << 23);
4786
4787 if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08004788 (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004789 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4790
4791 REG_WR(bp, BNX2_DMA_CONFIG, val);
4792
4793 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
4794 val = REG_RD(bp, BNX2_TDMA_CONFIG);
4795 val |= BNX2_TDMA_CONFIG_ONE_DMA;
4796 REG_WR(bp, BNX2_TDMA_CONFIG, val);
4797 }
4798
David S. Millerf86e82f2008-01-21 17:15:40 -08004799 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004800 u16 val16;
4801
4802 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4803 &val16);
4804 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4805 val16 & ~PCI_X_CMD_ERO);
4806 }
4807
4808 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4809 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4810 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4811 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
4812
4813 /* Initialize context mapping and zero out the quick contexts. The
4814 * context block must have already been enabled. */
Michael Chan641bdcd2007-06-04 21:22:24 -07004815 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4816 rc = bnx2_init_5709_context(bp);
4817 if (rc)
4818 return rc;
4819 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004820 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004821
Michael Chanfba9fe92006-06-12 22:21:25 -07004822 if ((rc = bnx2_init_cpus(bp)) != 0)
4823 return rc;
4824
Michael Chanb6016b72005-05-26 13:03:09 -07004825 bnx2_init_nvram(bp);
4826
Benjamin Li5fcaed02008-07-14 22:39:52 -07004827 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004828
4829 val = REG_RD(bp, BNX2_MQ_CONFIG);
4830 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4831 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4edd4732009-06-08 18:14:42 -07004832 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4833 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
4834 if (CHIP_REV(bp) == CHIP_REV_Ax)
4835 val |= BNX2_MQ_CONFIG_HALT_DIS;
4836 }
Michael Chan68c9f752007-04-24 15:35:53 -07004837
Michael Chanb6016b72005-05-26 13:03:09 -07004838 REG_WR(bp, BNX2_MQ_CONFIG, val);
4839
4840 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
4841 REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4842 REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
4843
4844 val = (BCM_PAGE_BITS - 8) << 24;
4845 REG_WR(bp, BNX2_RV2P_CONFIG, val);
4846
4847 /* Configure page size. */
4848 val = REG_RD(bp, BNX2_TBDR_CONFIG);
4849 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
4850 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
4851 REG_WR(bp, BNX2_TBDR_CONFIG, val);
4852
4853 val = bp->mac_addr[0] +
4854 (bp->mac_addr[1] << 8) +
4855 (bp->mac_addr[2] << 16) +
4856 bp->mac_addr[3] +
4857 (bp->mac_addr[4] << 8) +
4858 (bp->mac_addr[5] << 16);
4859 REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
4860
4861 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004862 mtu = bp->dev->mtu;
4863 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004864 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4865 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
4866 REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
4867
Michael Chand8026d92008-11-12 16:02:20 -08004868 if (mtu < 1500)
4869 mtu = 1500;
4870
4871 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4872 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4873 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4874
Michael Chan155d5562009-08-21 16:20:43 +00004875 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004876 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4877 bp->bnx2_napi[i].last_status_idx = 0;
4878
Michael Chanefba0182008-12-03 00:36:15 -08004879 bp->idle_chk_status_idx = 0xffff;
4880
Michael Chanb6016b72005-05-26 13:03:09 -07004881 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4882
4883 /* Set up how to generate a link change interrupt. */
4884 REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
4885
4886 REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
4887 (u64) bp->status_blk_mapping & 0xffffffff);
4888 REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
4889
4890 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4891 (u64) bp->stats_blk_mapping & 0xffffffff);
4892 REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4893 (u64) bp->stats_blk_mapping >> 32);
4894
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004895 REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
Michael Chanb6016b72005-05-26 13:03:09 -07004896 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
4897
4898 REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
4899 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
4900
4901 REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
4902 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
4903
4904 REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
4905
4906 REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
4907
4908 REG_WR(bp, BNX2_HC_COM_TICKS,
4909 (bp->com_ticks_int << 16) | bp->com_ticks);
4910
4911 REG_WR(bp, BNX2_HC_CMD_TICKS,
4912 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
4913
Michael Chan61d9e3f2009-08-21 16:20:46 +00004914 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chan02537b062007-06-04 21:24:07 -07004915 REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
4916 else
Michael Chan7ea69202007-07-16 18:27:10 -07004917 REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07004918 REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
4919
4920 if (CHIP_ID(bp) == CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07004921 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004922 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07004923 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
4924 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07004925 }
4926
Michael Chanefde73a2010-02-15 19:42:07 +00004927 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanc76c0472007-12-20 20:01:19 -08004928 REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
4929 BNX2_HC_MSIX_BIT_VECTOR_VAL);
4930
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004931 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
4932 }
4933
4934 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00004935 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004936
4937 REG_WR(bp, BNX2_HC_CONFIG, val);
4938
Michael Chan22fa1592010-10-11 16:12:00 -07004939 if (bp->rx_ticks < 25)
4940 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
4941 else
4942 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
4943
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004944 for (i = 1; i < bp->irq_nvecs; i++) {
4945 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
4946 BNX2_HC_SB_CONFIG_1;
4947
Michael Chan6f743ca2008-01-29 21:34:08 -08004948 REG_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08004949 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004950 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08004951 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
4952
Michael Chan6f743ca2008-01-29 21:34:08 -08004953 REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004954 (bp->tx_quick_cons_trip_int << 16) |
4955 bp->tx_quick_cons_trip);
4956
Michael Chan6f743ca2008-01-29 21:34:08 -08004957 REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08004958 (bp->tx_ticks_int << 16) | bp->tx_ticks);
4959
Michael Chan5e9ad9e2008-06-19 16:43:17 -07004960 REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
4961 (bp->rx_quick_cons_trip_int << 16) |
4962 bp->rx_quick_cons_trip);
4963
4964 REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
4965 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08004966 }
4967
Michael Chanb6016b72005-05-26 13:03:09 -07004968 /* Clear internal stats counters. */
4969 REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
4970
Michael Chanda3e4fb2007-05-03 13:24:23 -07004971 REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07004972
4973 /* Initialize the receive filter. */
4974 bnx2_set_rx_mode(bp->dev);
4975
Michael Chan0aa38df2007-06-04 21:23:06 -07004976 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
4977 val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
4978 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
4979 REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4980 }
Michael Chanb090ae22006-01-23 16:07:10 -08004981 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07004982 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004983
Michael Chandf149d72007-07-07 22:51:36 -07004984 REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
Michael Chanb6016b72005-05-26 13:03:09 -07004985 REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
4986
4987 udelay(20);
4988
Michael Chanbf5295b2006-03-23 01:11:56 -08004989 bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
4990
Michael Chanb090ae22006-01-23 16:07:10 -08004991 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004992}
4993
Michael Chan59b47d82006-11-19 14:10:45 -08004994static void
Michael Chanc76c0472007-12-20 20:01:19 -08004995bnx2_clear_ring_states(struct bnx2 *bp)
4996{
4997 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07004998 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07004999 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08005000 int i;
5001
5002 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5003 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07005004 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005005 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005006
Michael Chan35e90102008-06-19 16:37:42 -07005007 txr->tx_cons = 0;
5008 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005009 rxr->rx_prod_bseq = 0;
5010 rxr->rx_prod = 0;
5011 rxr->rx_cons = 0;
5012 rxr->rx_pg_prod = 0;
5013 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005014 }
5015}
5016
5017static void
Michael Chan35e90102008-06-19 16:37:42 -07005018bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005019{
5020 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005021 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005022
5023 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5024 offset0 = BNX2_L2CTX_TYPE_XI;
5025 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5026 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5027 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5028 } else {
5029 offset0 = BNX2_L2CTX_TYPE;
5030 offset1 = BNX2_L2CTX_CMD_TYPE;
5031 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5032 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5033 }
5034 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005035 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005036
5037 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005038 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005039
Michael Chan35e90102008-06-19 16:37:42 -07005040 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005041 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005042
Michael Chan35e90102008-06-19 16:37:42 -07005043 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005044 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005045}
Michael Chanb6016b72005-05-26 13:03:09 -07005046
5047static void
Michael Chan35e90102008-06-19 16:37:42 -07005048bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005049{
5050 struct tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005051 u32 cid = TX_CID;
5052 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005053 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005054
Michael Chan35e90102008-06-19 16:37:42 -07005055 bnapi = &bp->bnx2_napi[ring_num];
5056 txr = &bnapi->tx_ring;
5057
5058 if (ring_num == 0)
5059 cid = TX_CID;
5060 else
5061 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005062
Michael Chan2f8af122006-08-15 01:39:10 -07005063 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5064
Michael Chan35e90102008-06-19 16:37:42 -07005065 txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005066
Michael Chan35e90102008-06-19 16:37:42 -07005067 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5068 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005069
Michael Chan35e90102008-06-19 16:37:42 -07005070 txr->tx_prod = 0;
5071 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005072
Michael Chan35e90102008-06-19 16:37:42 -07005073 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5074 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005075
Michael Chan35e90102008-06-19 16:37:42 -07005076 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005077}
5078
5079static void
Michael Chan5d5d0012007-12-12 11:17:43 -08005080bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
5081 int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005082{
Michael Chanb6016b72005-05-26 13:03:09 -07005083 int i;
Michael Chan5d5d0012007-12-12 11:17:43 -08005084 struct rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005085
Michael Chan5d5d0012007-12-12 11:17:43 -08005086 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005087 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005088
Michael Chan5d5d0012007-12-12 11:17:43 -08005089 rxbd = &rx_ring[i][0];
Michael Chan13daffa2006-03-20 17:49:20 -08005090 for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005091 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005092 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5093 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005094 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005095 j = 0;
5096 else
5097 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005098 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5099 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005100 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005101}
5102
5103static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005104bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005105{
5106 int i;
5107 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005108 u32 cid, rx_cid_addr, val;
5109 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5110 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005111
Michael Chanbb4f98a2008-06-19 16:38:19 -07005112 if (ring_num == 0)
5113 cid = RX_CID;
5114 else
5115 cid = RX_RSS_CID + ring_num - 1;
5116
5117 rx_cid_addr = GET_CID_ADDR(cid);
5118
5119 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005120 bp->rx_buf_use_size, bp->rx_max_ring);
5121
Michael Chanbb4f98a2008-06-19 16:38:19 -07005122 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005123
5124 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
5125 val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
5126 REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
5127 }
5128
Michael Chan62a83132008-01-29 21:35:40 -08005129 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005130 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005131 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5132 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005133 PAGE_SIZE, bp->rx_max_pg_ring);
5134 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005135 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5136 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005137 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005138
Michael Chanbb4f98a2008-06-19 16:38:19 -07005139 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005140 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005141
Michael Chanbb4f98a2008-06-19 16:38:19 -07005142 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005143 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005144
5145 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5146 REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
5147 }
Michael Chanb6016b72005-05-26 13:03:09 -07005148
Michael Chanbb4f98a2008-06-19 16:38:19 -07005149 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005150 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005151
Michael Chanbb4f98a2008-06-19 16:38:19 -07005152 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005153 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005154
Michael Chanbb4f98a2008-06-19 16:38:19 -07005155 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005156 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00005157 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005158 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5159 ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005160 break;
Michael Chanb929e532009-12-03 09:46:33 +00005161 }
Michael Chan47bf4242007-12-12 11:19:12 -08005162 prod = NEXT_RX_BD(prod);
5163 ring_prod = RX_PG_RING_IDX(prod);
5164 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005165 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005166
Michael Chanbb4f98a2008-06-19 16:38:19 -07005167 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005168 for (i = 0; i < bp->rx_ring_size; i++) {
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00005169 if (bnx2_alloc_rx_skb(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005170 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5171 ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005172 break;
Michael Chanb929e532009-12-03 09:46:33 +00005173 }
Michael Chanb6016b72005-05-26 13:03:09 -07005174 prod = NEXT_RX_BD(prod);
5175 ring_prod = RX_RING_IDX(prod);
5176 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005177 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005178
Michael Chanbb4f98a2008-06-19 16:38:19 -07005179 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5180 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5181 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005182
Michael Chanbb4f98a2008-06-19 16:38:19 -07005183 REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5184 REG_WR16(bp, rxr->rx_bidx_addr, prod);
5185
5186 REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005187}
5188
Michael Chan35e90102008-06-19 16:37:42 -07005189static void
5190bnx2_init_all_rings(struct bnx2 *bp)
5191{
5192 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005193 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005194
5195 bnx2_clear_ring_states(bp);
5196
5197 REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
5198 for (i = 0; i < bp->num_tx_rings; i++)
5199 bnx2_init_tx_ring(bp, i);
5200
5201 if (bp->num_tx_rings > 1)
5202 REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5203 (TX_TSS_CID << 7));
5204
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005205 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
5206 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5207
Michael Chanbb4f98a2008-06-19 16:38:19 -07005208 for (i = 0; i < bp->num_rx_rings; i++)
5209 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005210
5211 if (bp->num_rx_rings > 1) {
Michael Chan22fa1592010-10-11 16:12:00 -07005212 u32 tbl_32 = 0;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005213
5214 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
Michael Chan22fa1592010-10-11 16:12:00 -07005215 int shift = (i % 8) << 2;
5216
5217 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
5218 if ((i % 8) == 7) {
5219 REG_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
5220 REG_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
5221 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
5222 BNX2_RLUP_RSS_COMMAND_WRITE |
5223 BNX2_RLUP_RSS_COMMAND_HASH_MASK);
5224 tbl_32 = 0;
5225 }
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005226 }
5227
5228 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5229 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5230
5231 REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
5232
5233 }
Michael Chan35e90102008-06-19 16:37:42 -07005234}
5235
Michael Chan5d5d0012007-12-12 11:17:43 -08005236static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005237{
Michael Chan5d5d0012007-12-12 11:17:43 -08005238 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005239
Michael Chan5d5d0012007-12-12 11:17:43 -08005240 while (ring_size > MAX_RX_DESC_CNT) {
5241 ring_size -= MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005242 num_rings++;
5243 }
5244 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005245 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005246 while ((max & num_rings) == 0)
5247 max >>= 1;
5248
5249 if (num_rings != max)
5250 max <<= 1;
5251
Michael Chan5d5d0012007-12-12 11:17:43 -08005252 return max;
5253}
5254
5255static void
5256bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5257{
Michael Chan84eaa182007-12-12 11:19:57 -08005258 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005259
5260 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005261 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005262
Michael Chan84eaa182007-12-12 11:19:57 -08005263 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
5264 sizeof(struct skb_shared_info);
5265
Benjamin Li601d3d12008-05-16 22:19:35 -07005266 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005267 bp->rx_pg_ring_size = 0;
5268 bp->rx_max_pg_ring = 0;
5269 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005270 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005271 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5272
5273 jumbo_size = size * pages;
5274 if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
5275 jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
5276
5277 bp->rx_pg_ring_size = jumbo_size;
5278 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
5279 MAX_RX_PG_RINGS);
5280 bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005281 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005282 bp->rx_copy_thresh = 0;
5283 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005284
5285 bp->rx_buf_use_size = rx_size;
5286 /* hw alignment */
5287 bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005288 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005289 bp->rx_ring_size = size;
5290 bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
Michael Chan13daffa2006-03-20 17:49:20 -08005291 bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
5292}
5293
5294static void
Michael Chanb6016b72005-05-26 13:03:09 -07005295bnx2_free_tx_skbs(struct bnx2 *bp)
5296{
5297 int i;
5298
Michael Chan35e90102008-06-19 16:37:42 -07005299 for (i = 0; i < bp->num_tx_rings; i++) {
5300 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5301 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5302 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005303
Michael Chan35e90102008-06-19 16:37:42 -07005304 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005305 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005306
Michael Chan35e90102008-06-19 16:37:42 -07005307 for (j = 0; j < TX_DESC_CNT; ) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005308 struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005309 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005310 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005311
5312 if (skb == NULL) {
5313 j++;
5314 continue;
5315 }
5316
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005317 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005318 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005319 skb_headlen(skb),
5320 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005321
Michael Chan35e90102008-06-19 16:37:42 -07005322 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005323
Alexander Duycke95524a2009-12-02 16:47:57 +00005324 last = tx_buf->nr_frags;
5325 j++;
5326 for (k = 0; k < last; k++, j++) {
5327 tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005328 dma_unmap_page(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005329 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005330 skb_shinfo(skb)->frags[k].size,
5331 PCI_DMA_TODEVICE);
5332 }
Michael Chan35e90102008-06-19 16:37:42 -07005333 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005334 }
Michael Chanb6016b72005-05-26 13:03:09 -07005335 }
Michael Chanb6016b72005-05-26 13:03:09 -07005336}
5337
5338static void
5339bnx2_free_rx_skbs(struct bnx2 *bp)
5340{
5341 int i;
5342
Michael Chanbb4f98a2008-06-19 16:38:19 -07005343 for (i = 0; i < bp->num_rx_rings; i++) {
5344 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5345 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5346 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005347
Michael Chanbb4f98a2008-06-19 16:38:19 -07005348 if (rxr->rx_buf_ring == NULL)
5349 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005350
Michael Chanbb4f98a2008-06-19 16:38:19 -07005351 for (j = 0; j < bp->rx_max_ring_idx; j++) {
5352 struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
5353 struct sk_buff *skb = rx_buf->skb;
Michael Chanb6016b72005-05-26 13:03:09 -07005354
Michael Chanbb4f98a2008-06-19 16:38:19 -07005355 if (skb == NULL)
5356 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005357
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005358 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005359 dma_unmap_addr(rx_buf, mapping),
Michael Chanbb4f98a2008-06-19 16:38:19 -07005360 bp->rx_buf_use_size,
5361 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005362
Michael Chanbb4f98a2008-06-19 16:38:19 -07005363 rx_buf->skb = NULL;
5364
5365 dev_kfree_skb(skb);
5366 }
5367 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5368 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005369 }
5370}
5371
5372static void
5373bnx2_free_skbs(struct bnx2 *bp)
5374{
5375 bnx2_free_tx_skbs(bp);
5376 bnx2_free_rx_skbs(bp);
5377}
5378
5379static int
5380bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5381{
5382 int rc;
5383
5384 rc = bnx2_reset_chip(bp, reset_code);
5385 bnx2_free_skbs(bp);
5386 if (rc)
5387 return rc;
5388
Michael Chanfba9fe92006-06-12 22:21:25 -07005389 if ((rc = bnx2_init_chip(bp)) != 0)
5390 return rc;
5391
Michael Chan35e90102008-06-19 16:37:42 -07005392 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005393 return 0;
5394}
5395
5396static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005397bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005398{
5399 int rc;
5400
5401 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5402 return rc;
5403
Michael Chan80be4432006-11-19 14:07:28 -08005404 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005405 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005406 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005407 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5408 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005409 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005410 return 0;
5411}
5412
5413static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005414bnx2_shutdown_chip(struct bnx2 *bp)
5415{
5416 u32 reset_code;
5417
5418 if (bp->flags & BNX2_FLAG_NO_WOL)
5419 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5420 else if (bp->wol)
5421 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5422 else
5423 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5424
5425 return bnx2_reset_chip(bp, reset_code);
5426}
5427
5428static int
Michael Chanb6016b72005-05-26 13:03:09 -07005429bnx2_test_registers(struct bnx2 *bp)
5430{
5431 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005432 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005433 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005434 u16 offset;
5435 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005436#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005437 u32 rw_mask;
5438 u32 ro_mask;
5439 } reg_tbl[] = {
5440 { 0x006c, 0, 0x00000000, 0x0000003f },
5441 { 0x0090, 0, 0xffffffff, 0x00000000 },
5442 { 0x0094, 0, 0x00000000, 0x00000000 },
5443
Michael Chan5bae30c2007-05-03 13:18:46 -07005444 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5445 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5446 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5447 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5448 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5449 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5450 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5451 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5452 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005453
Michael Chan5bae30c2007-05-03 13:18:46 -07005454 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5455 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5456 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5457 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5458 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5459 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005460
Michael Chan5bae30c2007-05-03 13:18:46 -07005461 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5462 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5463 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005464
5465 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005466 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005467
5468 { 0x1408, 0, 0x01c00800, 0x00000000 },
5469 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5470 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005471 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005472 { 0x14b0, 0, 0x00000002, 0x00000001 },
5473 { 0x14b8, 0, 0x00000000, 0x00000000 },
5474 { 0x14c0, 0, 0x00000000, 0x00000009 },
5475 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5476 { 0x14cc, 0, 0x00000000, 0x00000001 },
5477 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005478
5479 { 0x1800, 0, 0x00000000, 0x00000001 },
5480 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005481
5482 { 0x2800, 0, 0x00000000, 0x00000001 },
5483 { 0x2804, 0, 0x00000000, 0x00003f01 },
5484 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5485 { 0x2810, 0, 0xffff0000, 0x00000000 },
5486 { 0x2814, 0, 0xffff0000, 0x00000000 },
5487 { 0x2818, 0, 0xffff0000, 0x00000000 },
5488 { 0x281c, 0, 0xffff0000, 0x00000000 },
5489 { 0x2834, 0, 0xffffffff, 0x00000000 },
5490 { 0x2840, 0, 0x00000000, 0xffffffff },
5491 { 0x2844, 0, 0x00000000, 0xffffffff },
5492 { 0x2848, 0, 0xffffffff, 0x00000000 },
5493 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5494
5495 { 0x2c00, 0, 0x00000000, 0x00000011 },
5496 { 0x2c04, 0, 0x00000000, 0x00030007 },
5497
Michael Chanb6016b72005-05-26 13:03:09 -07005498 { 0x3c00, 0, 0x00000000, 0x00000001 },
5499 { 0x3c04, 0, 0x00000000, 0x00070000 },
5500 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5501 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5502 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5503 { 0x3c14, 0, 0x00000000, 0xffffffff },
5504 { 0x3c18, 0, 0x00000000, 0xffffffff },
5505 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5506 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005507
5508 { 0x5004, 0, 0x00000000, 0x0000007f },
5509 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005510
Michael Chanb6016b72005-05-26 13:03:09 -07005511 { 0x5c00, 0, 0x00000000, 0x00000001 },
5512 { 0x5c04, 0, 0x00000000, 0x0003000f },
5513 { 0x5c08, 0, 0x00000003, 0x00000000 },
5514 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5515 { 0x5c10, 0, 0x00000000, 0xffffffff },
5516 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5517 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5518 { 0x5c88, 0, 0x00000000, 0x00077373 },
5519 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5520
5521 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5522 { 0x680c, 0, 0xffffffff, 0x00000000 },
5523 { 0x6810, 0, 0xffffffff, 0x00000000 },
5524 { 0x6814, 0, 0xffffffff, 0x00000000 },
5525 { 0x6818, 0, 0xffffffff, 0x00000000 },
5526 { 0x681c, 0, 0xffffffff, 0x00000000 },
5527 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5528 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5529 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5530 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5531 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5532 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5533 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5534 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5535 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5536 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5537 { 0x684c, 0, 0xffffffff, 0x00000000 },
5538 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5539 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5540 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5541 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5542 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5543 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5544
5545 { 0xffff, 0, 0x00000000, 0x00000000 },
5546 };
5547
5548 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005549 is_5709 = 0;
5550 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5551 is_5709 = 1;
5552
Michael Chanb6016b72005-05-26 13:03:09 -07005553 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5554 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005555 u16 flags = reg_tbl[i].flags;
5556
5557 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5558 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005559
5560 offset = (u32) reg_tbl[i].offset;
5561 rw_mask = reg_tbl[i].rw_mask;
5562 ro_mask = reg_tbl[i].ro_mask;
5563
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005564 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005565
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005566 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005567
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005568 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005569 if ((val & rw_mask) != 0) {
5570 goto reg_test_err;
5571 }
5572
5573 if ((val & ro_mask) != (save_val & ro_mask)) {
5574 goto reg_test_err;
5575 }
5576
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005577 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005578
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005579 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005580 if ((val & rw_mask) != rw_mask) {
5581 goto reg_test_err;
5582 }
5583
5584 if ((val & ro_mask) != (save_val & ro_mask)) {
5585 goto reg_test_err;
5586 }
5587
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005588 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005589 continue;
5590
5591reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005592 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005593 ret = -ENODEV;
5594 break;
5595 }
5596 return ret;
5597}
5598
5599static int
5600bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5601{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005602 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005603 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5604 int i;
5605
5606 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5607 u32 offset;
5608
5609 for (offset = 0; offset < size; offset += 4) {
5610
Michael Chan2726d6e2008-01-29 21:35:05 -08005611 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005612
Michael Chan2726d6e2008-01-29 21:35:05 -08005613 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005614 test_pattern[i]) {
5615 return -ENODEV;
5616 }
5617 }
5618 }
5619 return 0;
5620}
5621
5622static int
5623bnx2_test_memory(struct bnx2 *bp)
5624{
5625 int ret = 0;
5626 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005627 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005628 u32 offset;
5629 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005630 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005631 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005632 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005633 { 0xe0000, 0x4000 },
5634 { 0x120000, 0x4000 },
5635 { 0x1a0000, 0x4000 },
5636 { 0x160000, 0x4000 },
5637 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005638 },
5639 mem_tbl_5709[] = {
5640 { 0x60000, 0x4000 },
5641 { 0xa0000, 0x3000 },
5642 { 0xe0000, 0x4000 },
5643 { 0x120000, 0x4000 },
5644 { 0x1a0000, 0x4000 },
5645 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005646 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005647 struct mem_entry *mem_tbl;
5648
5649 if (CHIP_NUM(bp) == CHIP_NUM_5709)
5650 mem_tbl = mem_tbl_5709;
5651 else
5652 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005653
5654 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5655 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5656 mem_tbl[i].len)) != 0) {
5657 return ret;
5658 }
5659 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005660
Michael Chanb6016b72005-05-26 13:03:09 -07005661 return ret;
5662}
5663
Michael Chanbc5a0692006-01-23 16:13:22 -08005664#define BNX2_MAC_LOOPBACK 0
5665#define BNX2_PHY_LOOPBACK 1
5666
Michael Chanb6016b72005-05-26 13:03:09 -07005667static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005668bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005669{
5670 unsigned int pkt_size, num_pkts, i;
5671 struct sk_buff *skb, *rx_skb;
5672 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005673 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005674 dma_addr_t map;
5675 struct tx_bd *txbd;
5676 struct sw_bd *rx_buf;
5677 struct l2_fhdr *rx_hdr;
5678 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005679 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005680 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005681 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005682
5683 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005684
Michael Chan35e90102008-06-19 16:37:42 -07005685 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005686 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005687 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5688 bp->loopback = MAC_LOOPBACK;
5689 bnx2_set_mac_loopback(bp);
5690 }
5691 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005692 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005693 return 0;
5694
Michael Chan80be4432006-11-19 14:07:28 -08005695 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005696 bnx2_set_phy_loopback(bp);
5697 }
5698 else
5699 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005700
Michael Chan84eaa182007-12-12 11:19:57 -08005701 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005702 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005703 if (!skb)
5704 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005705 packet = skb_put(skb, pkt_size);
Michael Chan66342922006-12-14 15:57:04 -08005706 memcpy(packet, bp->dev->dev_addr, 6);
Michael Chanb6016b72005-05-26 13:03:09 -07005707 memset(packet + 6, 0x0, 8);
5708 for (i = 14; i < pkt_size; i++)
5709 packet[i] = (unsigned char) (i & 0xff);
5710
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005711 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
5712 PCI_DMA_TODEVICE);
5713 if (dma_mapping_error(&bp->pdev->dev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005714 dev_kfree_skb(skb);
5715 return -EIO;
5716 }
Michael Chanb6016b72005-05-26 13:03:09 -07005717
Michael Chanbf5295b2006-03-23 01:11:56 -08005718 REG_WR(bp, BNX2_HC_COMMAND,
5719 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5720
Michael Chanb6016b72005-05-26 13:03:09 -07005721 REG_RD(bp, BNX2_HC_COMMAND);
5722
5723 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005724 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005725
Michael Chanb6016b72005-05-26 13:03:09 -07005726 num_pkts = 0;
5727
Michael Chan35e90102008-06-19 16:37:42 -07005728 txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005729
5730 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5731 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5732 txbd->tx_bd_mss_nbytes = pkt_size;
5733 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5734
5735 num_pkts++;
Michael Chan35e90102008-06-19 16:37:42 -07005736 txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
5737 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005738
Michael Chan35e90102008-06-19 16:37:42 -07005739 REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5740 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005741
5742 udelay(100);
5743
Michael Chanbf5295b2006-03-23 01:11:56 -08005744 REG_WR(bp, BNX2_HC_COMMAND,
5745 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
5746
Michael Chanb6016b72005-05-26 13:03:09 -07005747 REG_RD(bp, BNX2_HC_COMMAND);
5748
5749 udelay(5);
5750
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005751 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005752 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005753
Michael Chan35e90102008-06-19 16:37:42 -07005754 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005755 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005756
Michael Chan35efa7c2007-12-20 19:56:37 -08005757 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005758 if (rx_idx != rx_start_idx + num_pkts) {
5759 goto loopback_test_done;
5760 }
5761
Michael Chanbb4f98a2008-06-19 16:38:19 -07005762 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Michael Chanb6016b72005-05-26 13:03:09 -07005763 rx_skb = rx_buf->skb;
5764
Michael Chana33fa662010-05-06 08:58:13 +00005765 rx_hdr = rx_buf->desc;
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005766 skb_reserve(rx_skb, BNX2_RX_OFFSET);
Michael Chanb6016b72005-05-26 13:03:09 -07005767
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005768 dma_sync_single_for_cpu(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005769 dma_unmap_addr(rx_buf, mapping),
Michael Chanb6016b72005-05-26 13:03:09 -07005770 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
5771
Michael Chanade2bfe2006-01-23 16:09:51 -08005772 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005773 (L2_FHDR_ERRORS_BAD_CRC |
5774 L2_FHDR_ERRORS_PHY_DECODE |
5775 L2_FHDR_ERRORS_ALIGNMENT |
5776 L2_FHDR_ERRORS_TOO_SHORT |
5777 L2_FHDR_ERRORS_GIANT_FRAME)) {
5778
5779 goto loopback_test_done;
5780 }
5781
5782 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5783 goto loopback_test_done;
5784 }
5785
5786 for (i = 14; i < pkt_size; i++) {
5787 if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
5788 goto loopback_test_done;
5789 }
5790 }
5791
5792 ret = 0;
5793
5794loopback_test_done:
5795 bp->loopback = 0;
5796 return ret;
5797}
5798
Michael Chanbc5a0692006-01-23 16:13:22 -08005799#define BNX2_MAC_LOOPBACK_FAILED 1
5800#define BNX2_PHY_LOOPBACK_FAILED 2
5801#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5802 BNX2_PHY_LOOPBACK_FAILED)
5803
5804static int
5805bnx2_test_loopback(struct bnx2 *bp)
5806{
5807 int rc = 0;
5808
5809 if (!netif_running(bp->dev))
5810 return BNX2_LOOPBACK_FAILED;
5811
5812 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5813 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005814 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005815 spin_unlock_bh(&bp->phy_lock);
5816 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5817 rc |= BNX2_MAC_LOOPBACK_FAILED;
5818 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5819 rc |= BNX2_PHY_LOOPBACK_FAILED;
5820 return rc;
5821}
5822
Michael Chanb6016b72005-05-26 13:03:09 -07005823#define NVRAM_SIZE 0x200
5824#define CRC32_RESIDUAL 0xdebb20e3
5825
5826static int
5827bnx2_test_nvram(struct bnx2 *bp)
5828{
Al Virob491edd2007-12-22 19:44:51 +00005829 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005830 u8 *data = (u8 *) buf;
5831 int rc = 0;
5832 u32 magic, csum;
5833
5834 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5835 goto test_nvram_done;
5836
5837 magic = be32_to_cpu(buf[0]);
5838 if (magic != 0x669955aa) {
5839 rc = -ENODEV;
5840 goto test_nvram_done;
5841 }
5842
5843 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5844 goto test_nvram_done;
5845
5846 csum = ether_crc_le(0x100, data);
5847 if (csum != CRC32_RESIDUAL) {
5848 rc = -ENODEV;
5849 goto test_nvram_done;
5850 }
5851
5852 csum = ether_crc_le(0x100, data + 0x100);
5853 if (csum != CRC32_RESIDUAL) {
5854 rc = -ENODEV;
5855 }
5856
5857test_nvram_done:
5858 return rc;
5859}
5860
5861static int
5862bnx2_test_link(struct bnx2 *bp)
5863{
5864 u32 bmsr;
5865
Michael Chan9f52b562008-10-09 12:21:46 -07005866 if (!netif_running(bp->dev))
5867 return -ENODEV;
5868
Michael Chan583c28e2008-01-21 19:51:35 -08005869 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005870 if (bp->link_up)
5871 return 0;
5872 return -ENODEV;
5873 }
Michael Chanc770a652005-08-25 15:38:39 -07005874 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005875 bnx2_enable_bmsr1(bp);
5876 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5877 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5878 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005879 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005880
Michael Chanb6016b72005-05-26 13:03:09 -07005881 if (bmsr & BMSR_LSTATUS) {
5882 return 0;
5883 }
5884 return -ENODEV;
5885}
5886
5887static int
5888bnx2_test_intr(struct bnx2 *bp)
5889{
5890 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005891 u16 status_idx;
5892
5893 if (!netif_running(bp->dev))
5894 return -ENODEV;
5895
5896 status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
5897
5898 /* This register is not touched during run-time. */
Michael Chanbf5295b2006-03-23 01:11:56 -08005899 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005900 REG_RD(bp, BNX2_HC_COMMAND);
5901
5902 for (i = 0; i < 10; i++) {
5903 if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
5904 status_idx) {
5905
5906 break;
5907 }
5908
5909 msleep_interruptible(10);
5910 }
5911 if (i < 10)
5912 return 0;
5913
5914 return -ENODEV;
5915}
5916
Michael Chan38ea3682008-02-23 19:48:57 -08005917/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08005918static int
5919bnx2_5706_serdes_has_link(struct bnx2 *bp)
5920{
5921 u32 mode_ctl, an_dbg, exp;
5922
Michael Chan38ea3682008-02-23 19:48:57 -08005923 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
5924 return 0;
5925
Michael Chanb2fadea2008-01-21 17:07:06 -08005926 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
5927 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
5928
5929 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
5930 return 0;
5931
5932 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5933 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5934 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
5935
Michael Chanf3014c0c2008-01-29 21:33:03 -08005936 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08005937 return 0;
5938
5939 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
5940 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5941 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
5942
5943 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
5944 return 0;
5945
5946 return 1;
5947}
5948
Michael Chanb6016b72005-05-26 13:03:09 -07005949static void
Michael Chan48b01e22006-11-19 14:08:00 -08005950bnx2_5706_serdes_timer(struct bnx2 *bp)
5951{
Michael Chanb2fadea2008-01-21 17:07:06 -08005952 int check_link = 1;
5953
Michael Chan48b01e22006-11-19 14:08:00 -08005954 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08005955 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08005956 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08005957 check_link = 0;
5958 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005959 u32 bmcr;
5960
Benjamin Liac392ab2008-09-18 16:40:49 -07005961 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005962
Michael Chanca58c3a2007-05-03 13:22:52 -07005963 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005964
5965 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005966 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005967 bmcr &= ~BMCR_ANENABLE;
5968 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07005969 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08005970 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005971 }
5972 }
5973 }
5974 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08005975 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08005976 u32 phy2;
5977
5978 bnx2_write_phy(bp, 0x17, 0x0f01);
5979 bnx2_read_phy(bp, 0x15, &phy2);
5980 if (phy2 & 0x20) {
5981 u32 bmcr;
5982
Michael Chanca58c3a2007-05-03 13:22:52 -07005983 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005984 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07005985 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08005986
Michael Chan583c28e2008-01-21 19:51:35 -08005987 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08005988 }
5989 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07005990 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08005991
Michael Chana2724e22008-02-23 19:47:44 -08005992 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08005993 u32 val;
5994
5995 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
5996 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5997 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
5998
Michael Chana2724e22008-02-23 19:47:44 -08005999 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6000 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6001 bnx2_5706s_force_link_dn(bp, 1);
6002 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6003 } else
6004 bnx2_set_link(bp);
6005 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6006 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006007 }
Michael Chan48b01e22006-11-19 14:08:00 -08006008 spin_unlock(&bp->phy_lock);
6009}
6010
6011static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006012bnx2_5708_serdes_timer(struct bnx2 *bp)
6013{
Michael Chan583c28e2008-01-21 19:51:35 -08006014 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006015 return;
6016
Michael Chan583c28e2008-01-21 19:51:35 -08006017 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006018 bp->serdes_an_pending = 0;
6019 return;
6020 }
6021
6022 spin_lock(&bp->phy_lock);
6023 if (bp->serdes_an_pending)
6024 bp->serdes_an_pending--;
6025 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6026 u32 bmcr;
6027
Michael Chanca58c3a2007-05-03 13:22:52 -07006028 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006029 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006030 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006031 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006032 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006033 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006034 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006035 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006036 }
6037
6038 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006039 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006040
6041 spin_unlock(&bp->phy_lock);
6042}
6043
6044static void
Michael Chanb6016b72005-05-26 13:03:09 -07006045bnx2_timer(unsigned long data)
6046{
6047 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006048
Michael Chancd339a02005-08-25 15:35:24 -07006049 if (!netif_running(bp->dev))
6050 return;
6051
Michael Chanb6016b72005-05-26 13:03:09 -07006052 if (atomic_read(&bp->intr_sem) != 0)
6053 goto bnx2_restart_timer;
6054
Michael Chanefba0182008-12-03 00:36:15 -08006055 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6056 BNX2_FLAG_USING_MSI)
6057 bnx2_chk_missed_msi(bp);
6058
Michael Chandf149d72007-07-07 22:51:36 -07006059 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006060
Michael Chan2726d6e2008-01-29 21:35:05 -08006061 bp->stats_blk->stat_FwRxDrop =
6062 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006063
Michael Chan02537b062007-06-04 21:24:07 -07006064 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006065 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chan02537b062007-06-04 21:24:07 -07006066 REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6067 BNX2_HC_COMMAND_STATS_NOW);
6068
Michael Chan583c28e2008-01-21 19:51:35 -08006069 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006070 if (CHIP_NUM(bp) == CHIP_NUM_5706)
6071 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006072 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006073 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006074 }
6075
6076bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006077 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006078}
6079
Michael Chan8e6a72c2007-05-03 13:24:48 -07006080static int
6081bnx2_request_irq(struct bnx2 *bp)
6082{
Michael Chan6d866ff2007-12-20 19:56:09 -08006083 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006084 struct bnx2_irq *irq;
6085 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006086
David S. Millerf86e82f2008-01-21 17:15:40 -08006087 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006088 flags = 0;
6089 else
6090 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006091
6092 for (i = 0; i < bp->irq_nvecs; i++) {
6093 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006094 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006095 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006096 if (rc)
6097 break;
6098 irq->requested = 1;
6099 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006100 return rc;
6101}
6102
6103static void
Michael Chana29ba9d2010-12-31 11:03:14 -08006104__bnx2_free_irq(struct bnx2 *bp)
Michael Chan8e6a72c2007-05-03 13:24:48 -07006105{
Michael Chanb4b36042007-12-20 19:59:30 -08006106 struct bnx2_irq *irq;
6107 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006108
Michael Chanb4b36042007-12-20 19:59:30 -08006109 for (i = 0; i < bp->irq_nvecs; i++) {
6110 irq = &bp->irq_tbl[i];
6111 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006112 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006113 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006114 }
Michael Chana29ba9d2010-12-31 11:03:14 -08006115}
6116
6117static void
6118bnx2_free_irq(struct bnx2 *bp)
6119{
6120
6121 __bnx2_free_irq(bp);
David S. Millerf86e82f2008-01-21 17:15:40 -08006122 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08006123 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08006124 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08006125 pci_disable_msix(bp->pdev);
6126
David S. Millerf86e82f2008-01-21 17:15:40 -08006127 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08006128}
6129
6130static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006131bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08006132{
Michael Chan379b39a2010-07-19 14:15:03 +00006133 int i, total_vecs, rc;
Michael Chan57851d82007-12-20 20:01:44 -08006134 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
Michael Chan4e1d0de2008-12-16 20:27:45 -08006135 struct net_device *dev = bp->dev;
6136 const int len = sizeof(bp->irq_tbl[0].name);
Michael Chan57851d82007-12-20 20:01:44 -08006137
Michael Chanb4b36042007-12-20 19:59:30 -08006138 bnx2_setup_msix_tbl(bp);
6139 REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6140 REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6141 REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08006142
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006143 /* Need to flush the previous three writes to ensure MSI-X
6144 * is setup properly */
6145 REG_RD(bp, BNX2_PCI_MSIX_CONTROL);
6146
Michael Chan57851d82007-12-20 20:01:44 -08006147 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6148 msix_ent[i].entry = i;
6149 msix_ent[i].vector = 0;
6150 }
6151
Michael Chan379b39a2010-07-19 14:15:03 +00006152 total_vecs = msix_vecs;
6153#ifdef BCM_CNIC
6154 total_vecs++;
6155#endif
6156 rc = -ENOSPC;
6157 while (total_vecs >= BNX2_MIN_MSIX_VEC) {
6158 rc = pci_enable_msix(bp->pdev, msix_ent, total_vecs);
6159 if (rc <= 0)
6160 break;
6161 if (rc > 0)
6162 total_vecs = rc;
6163 }
6164
Michael Chan57851d82007-12-20 20:01:44 -08006165 if (rc != 0)
6166 return;
6167
Michael Chan379b39a2010-07-19 14:15:03 +00006168 msix_vecs = total_vecs;
6169#ifdef BCM_CNIC
6170 msix_vecs--;
6171#endif
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006172 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006173 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan379b39a2010-07-19 14:15:03 +00006174 for (i = 0; i < total_vecs; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006175 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006176 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6177 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6178 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006179}
6180
Ben Hutchings657d92f2010-09-27 08:25:16 +00006181static int
Michael Chan6d866ff2007-12-20 19:56:09 -08006182bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6183{
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006184 int cpus = num_online_cpus();
Benjamin Li706bf242008-07-18 17:55:11 -07006185 int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006186
Michael Chan6d866ff2007-12-20 19:56:09 -08006187 bp->irq_tbl[0].handler = bnx2_interrupt;
6188 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006189 bp->irq_nvecs = 1;
6190 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006191
Michael Chan3d5f3a72010-07-03 20:42:15 +00006192 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006193 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006194
David S. Millerf86e82f2008-01-21 17:15:40 -08006195 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6196 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006197 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006198 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006199 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006200 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006201 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6202 } else
6203 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006204
6205 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006206 }
6207 }
Benjamin Li706bf242008-07-18 17:55:11 -07006208
6209 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
Ben Hutchings657d92f2010-09-27 08:25:16 +00006210 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
Benjamin Li706bf242008-07-18 17:55:11 -07006211
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006212 bp->num_rx_rings = bp->irq_nvecs;
Ben Hutchings657d92f2010-09-27 08:25:16 +00006213 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006214}
6215
Michael Chanb6016b72005-05-26 13:03:09 -07006216/* Called with rtnl_lock */
6217static int
6218bnx2_open(struct net_device *dev)
6219{
Michael Chan972ec0d2006-01-23 16:12:43 -08006220 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006221 int rc;
6222
Michael Chan1b2f9222007-05-03 13:20:19 -07006223 netif_carrier_off(dev);
6224
Pavel Machek829ca9a2005-09-03 15:56:56 -07006225 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07006226 bnx2_disable_int(bp);
6227
Ben Hutchings657d92f2010-09-27 08:25:16 +00006228 rc = bnx2_setup_int_mode(bp, disable_msi);
6229 if (rc)
6230 goto open_err;
Benjamin Li4327ba42010-03-23 13:13:11 +00006231 bnx2_init_napi(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006232 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006233 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006234 if (rc)
6235 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006236
Michael Chan8e6a72c2007-05-03 13:24:48 -07006237 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006238 if (rc)
6239 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006240
Michael Chan9a120bc2008-05-16 22:17:45 -07006241 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006242 if (rc)
6243 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006244
Michael Chancd339a02005-08-25 15:35:24 -07006245 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006246
6247 atomic_set(&bp->intr_sem, 0);
6248
Michael Chan354fcd72010-01-17 07:30:44 +00006249 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6250
Michael Chanb6016b72005-05-26 13:03:09 -07006251 bnx2_enable_int(bp);
6252
David S. Millerf86e82f2008-01-21 17:15:40 -08006253 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006254 /* Test MSI to make sure it is working
6255 * If MSI test fails, go back to INTx mode
6256 */
6257 if (bnx2_test_intr(bp) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00006258 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 -07006259
6260 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006261 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006262
Michael Chan6d866ff2007-12-20 19:56:09 -08006263 bnx2_setup_int_mode(bp, 1);
6264
Michael Chan9a120bc2008-05-16 22:17:45 -07006265 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006266
Michael Chan8e6a72c2007-05-03 13:24:48 -07006267 if (!rc)
6268 rc = bnx2_request_irq(bp);
6269
Michael Chanb6016b72005-05-26 13:03:09 -07006270 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006271 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006272 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006273 }
6274 bnx2_enable_int(bp);
6275 }
6276 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006277 if (bp->flags & BNX2_FLAG_USING_MSI)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006278 netdev_info(dev, "using MSI\n");
David S. Millerf86e82f2008-01-21 17:15:40 -08006279 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006280 netdev_info(dev, "using MSIX\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006281
Benjamin Li706bf242008-07-18 17:55:11 -07006282 netif_tx_start_all_queues(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006283
6284 return 0;
Michael Chan2739a8b2008-06-19 16:44:10 -07006285
6286open_err:
6287 bnx2_napi_disable(bp);
6288 bnx2_free_skbs(bp);
6289 bnx2_free_irq(bp);
6290 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006291 bnx2_del_napi(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006292 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07006293}
6294
6295static void
David Howellsc4028952006-11-22 14:57:56 +00006296bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006297{
David Howellsc4028952006-11-22 14:57:56 +00006298 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07006299
Michael Chan51bf6bb2009-12-03 09:46:31 +00006300 rtnl_lock();
6301 if (!netif_running(bp->dev)) {
6302 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006303 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006304 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006305
Michael Chan212f9932010-04-27 11:28:10 +00006306 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07006307
Michael Chan9a120bc2008-05-16 22:17:45 -07006308 bnx2_init_nic(bp, 1);
Michael Chanb6016b72005-05-26 13:03:09 -07006309
6310 atomic_set(&bp->intr_sem, 1);
Michael Chan212f9932010-04-27 11:28:10 +00006311 bnx2_netif_start(bp, true);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006312 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006313}
6314
6315static void
Michael Chan20175c52009-12-03 09:46:32 +00006316bnx2_dump_state(struct bnx2 *bp)
6317{
6318 struct net_device *dev = bp->dev;
Michael Chan5804a8f2010-07-03 20:42:17 +00006319 u32 mcp_p0, mcp_p1, val1, val2;
Michael Chan20175c52009-12-03 09:46:32 +00006320
Michael Chan5804a8f2010-07-03 20:42:17 +00006321 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
6322 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
6323 atomic_read(&bp->intr_sem), val1);
6324 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
6325 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
6326 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
Eddie Waib98eba52010-05-17 17:32:56 -07006327 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
Joe Perches3a9c6a42010-02-17 15:01:51 +00006328 REG_RD(bp, BNX2_EMAC_TX_STATUS),
Eddie Waib98eba52010-05-17 17:32:56 -07006329 REG_RD(bp, BNX2_EMAC_RX_STATUS));
6330 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
Joe Perches3a9c6a42010-02-17 15:01:51 +00006331 REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
Eddie Waib98eba52010-05-17 17:32:56 -07006332 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
6333 mcp_p0 = BNX2_MCP_STATE_P0;
6334 mcp_p1 = BNX2_MCP_STATE_P1;
6335 } else {
6336 mcp_p0 = BNX2_MCP_STATE_P0_5708;
6337 mcp_p1 = BNX2_MCP_STATE_P1_5708;
6338 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00006339 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
Eddie Waib98eba52010-05-17 17:32:56 -07006340 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
Joe Perches3a9c6a42010-02-17 15:01:51 +00006341 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
6342 REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
Michael Chan20175c52009-12-03 09:46:32 +00006343 if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006344 netdev_err(dev, "DEBUG: PBA[%08x]\n",
6345 REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
Michael Chan20175c52009-12-03 09:46:32 +00006346}
6347
6348static void
Michael Chanb6016b72005-05-26 13:03:09 -07006349bnx2_tx_timeout(struct net_device *dev)
6350{
Michael Chan972ec0d2006-01-23 16:12:43 -08006351 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006352
Michael Chan20175c52009-12-03 09:46:32 +00006353 bnx2_dump_state(bp);
6354
Michael Chanb6016b72005-05-26 13:03:09 -07006355 /* This allows the netif to be shutdown gracefully before resetting */
6356 schedule_work(&bp->reset_task);
6357}
6358
Herbert Xu932ff272006-06-09 12:20:56 -07006359/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006360 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6361 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006362 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006363static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006364bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6365{
Michael Chan972ec0d2006-01-23 16:12:43 -08006366 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006367 dma_addr_t mapping;
6368 struct tx_bd *txbd;
Benjamin Li3d16af82008-10-09 12:26:41 -07006369 struct sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006370 u32 len, vlan_tag_flags, last_frag, mss;
6371 u16 prod, ring_prod;
6372 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006373 struct bnx2_napi *bnapi;
6374 struct bnx2_tx_ring_info *txr;
6375 struct netdev_queue *txq;
6376
6377 /* Determine which tx ring we will be placed on */
6378 i = skb_get_queue_mapping(skb);
6379 bnapi = &bp->bnx2_napi[i];
6380 txr = &bnapi->tx_ring;
6381 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006382
Michael Chan35e90102008-06-19 16:37:42 -07006383 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006384 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006385 netif_tx_stop_queue(txq);
Joe Perches3a9c6a42010-02-17 15:01:51 +00006386 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006387
6388 return NETDEV_TX_BUSY;
6389 }
6390 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006391 prod = txr->tx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006392 ring_prod = TX_RING_IDX(prod);
6393
6394 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006395 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006396 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6397 }
6398
Jesse Grosseab6d182010-10-20 13:56:03 +00006399 if (vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006400 vlan_tag_flags |=
6401 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6402 }
Jesse Gross7d0fd212010-10-20 13:56:09 +00006403
Michael Chanfde82052007-05-03 17:23:35 -07006404 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006405 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006406 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006407
Michael Chanb6016b72005-05-26 13:03:09 -07006408 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6409
Michael Chan4666f872007-05-03 13:22:28 -07006410 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006411
Michael Chan4666f872007-05-03 13:22:28 -07006412 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6413 u32 tcp_off = skb_transport_offset(skb) -
6414 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006415
Michael Chan4666f872007-05-03 13:22:28 -07006416 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6417 TX_BD_FLAGS_SW_FLAGS;
6418 if (likely(tcp_off == 0))
6419 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6420 else {
6421 tcp_off >>= 3;
6422 vlan_tag_flags |= ((tcp_off & 0x3) <<
6423 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6424 ((tcp_off & 0x10) <<
6425 TX_BD_FLAGS_TCP6_OFF4_SHL);
6426 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6427 }
6428 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006429 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006430 if (tcp_opt_len || (iph->ihl > 5)) {
6431 vlan_tag_flags |= ((iph->ihl - 5) +
6432 (tcp_opt_len >> 2)) << 8;
6433 }
Michael Chanb6016b72005-05-26 13:03:09 -07006434 }
Michael Chan4666f872007-05-03 13:22:28 -07006435 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006436 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006437
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006438 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
6439 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07006440 dev_kfree_skb(skb);
6441 return NETDEV_TX_OK;
6442 }
6443
Michael Chan35e90102008-06-19 16:37:42 -07006444 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006445 tx_buf->skb = skb;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006446 dma_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006447
Michael Chan35e90102008-06-19 16:37:42 -07006448 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006449
6450 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6451 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6452 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6453 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6454
6455 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006456 tx_buf->nr_frags = last_frag;
6457 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006458
6459 for (i = 0; i < last_frag; i++) {
6460 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6461
6462 prod = NEXT_TX_BD(prod);
6463 ring_prod = TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006464 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006465
6466 len = frag->size;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006467 mapping = dma_map_page(&bp->pdev->dev, frag->page, frag->page_offset,
6468 len, PCI_DMA_TODEVICE);
6469 if (dma_mapping_error(&bp->pdev->dev, mapping))
Alexander Duycke95524a2009-12-02 16:47:57 +00006470 goto dma_error;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006471 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
Alexander Duycke95524a2009-12-02 16:47:57 +00006472 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006473
6474 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6475 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6476 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6477 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6478
6479 }
6480 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6481
6482 prod = NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006483 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006484
Michael Chan35e90102008-06-19 16:37:42 -07006485 REG_WR16(bp, txr->tx_bidx_addr, prod);
6486 REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006487
6488 mmiowb();
6489
Michael Chan35e90102008-06-19 16:37:42 -07006490 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006491
Michael Chan35e90102008-06-19 16:37:42 -07006492 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006493 netif_tx_stop_queue(txq);
Michael Chan11848b962010-07-19 14:15:04 +00006494
6495 /* netif_tx_stop_queue() must be done before checking
6496 * tx index in bnx2_tx_avail() below, because in
6497 * bnx2_tx_int(), we update tx index before checking for
6498 * netif_tx_queue_stopped().
6499 */
6500 smp_mb();
Michael Chan35e90102008-06-19 16:37:42 -07006501 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006502 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006503 }
6504
6505 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006506dma_error:
6507 /* save value of frag that failed */
6508 last_frag = i;
6509
6510 /* start back at beginning and unmap skb */
6511 prod = txr->tx_prod;
6512 ring_prod = TX_RING_IDX(prod);
6513 tx_buf = &txr->tx_buf_ring[ring_prod];
6514 tx_buf->skb = NULL;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006515 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006516 skb_headlen(skb), PCI_DMA_TODEVICE);
6517
6518 /* unmap remaining mapped pages */
6519 for (i = 0; i < last_frag; i++) {
6520 prod = NEXT_TX_BD(prod);
6521 ring_prod = TX_RING_IDX(prod);
6522 tx_buf = &txr->tx_buf_ring[ring_prod];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006523 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006524 skb_shinfo(skb)->frags[i].size,
6525 PCI_DMA_TODEVICE);
6526 }
6527
6528 dev_kfree_skb(skb);
6529 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006530}
6531
6532/* Called with rtnl_lock */
6533static int
6534bnx2_close(struct net_device *dev)
6535{
Michael Chan972ec0d2006-01-23 16:12:43 -08006536 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006537
David S. Miller4bb073c2008-06-12 02:22:02 -07006538 cancel_work_sync(&bp->reset_task);
Michael Chanafdc08b2005-08-25 15:34:29 -07006539
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006540 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006541 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006542 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006543 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006544 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006545 bnx2_free_skbs(bp);
6546 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006547 bnx2_del_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006548 bp->link_up = 0;
6549 netif_carrier_off(bp->dev);
Pavel Machek829ca9a2005-09-03 15:56:56 -07006550 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07006551 return 0;
6552}
6553
Michael Chan354fcd72010-01-17 07:30:44 +00006554static void
6555bnx2_save_stats(struct bnx2 *bp)
6556{
6557 u32 *hw_stats = (u32 *) bp->stats_blk;
6558 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6559 int i;
6560
6561 /* The 1st 10 counters are 64-bit counters */
6562 for (i = 0; i < 20; i += 2) {
6563 u32 hi;
6564 u64 lo;
6565
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006566 hi = temp_stats[i] + hw_stats[i];
6567 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
Michael Chan354fcd72010-01-17 07:30:44 +00006568 if (lo > 0xffffffff)
6569 hi++;
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006570 temp_stats[i] = hi;
6571 temp_stats[i + 1] = lo & 0xffffffff;
Michael Chan354fcd72010-01-17 07:30:44 +00006572 }
6573
6574 for ( ; i < sizeof(struct statistics_block) / 4; i++)
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006575 temp_stats[i] += hw_stats[i];
Michael Chan354fcd72010-01-17 07:30:44 +00006576}
6577
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006578#define GET_64BIT_NET_STATS64(ctr) \
6579 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
Michael Chanb6016b72005-05-26 13:03:09 -07006580
Michael Chana4743052010-01-17 07:30:43 +00006581#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006582 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6583 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006584
Michael Chana4743052010-01-17 07:30:43 +00006585#define GET_32BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006586 (unsigned long) (bp->stats_blk->ctr + \
6587 bp->temp_stats_blk->ctr)
Michael Chana4743052010-01-17 07:30:43 +00006588
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006589static struct rtnl_link_stats64 *
6590bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
Michael Chanb6016b72005-05-26 13:03:09 -07006591{
Michael Chan972ec0d2006-01-23 16:12:43 -08006592 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006593
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006594 if (bp->stats_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006595 return net_stats;
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006596
Michael Chanb6016b72005-05-26 13:03:09 -07006597 net_stats->rx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006598 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6599 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6600 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006601
6602 net_stats->tx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006603 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6604 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6605 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006606
6607 net_stats->rx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006608 GET_64BIT_NET_STATS(stat_IfHCInOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006609
6610 net_stats->tx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006611 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006612
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006613 net_stats->multicast =
Michael Chan6fdae9952010-07-19 14:15:02 +00006614 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006615
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006616 net_stats->collisions =
Michael Chana4743052010-01-17 07:30:43 +00006617 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006618
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006619 net_stats->rx_length_errors =
Michael Chana4743052010-01-17 07:30:43 +00006620 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6621 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006622
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006623 net_stats->rx_over_errors =
Michael Chana4743052010-01-17 07:30:43 +00006624 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6625 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006626
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006627 net_stats->rx_frame_errors =
Michael Chana4743052010-01-17 07:30:43 +00006628 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006629
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006630 net_stats->rx_crc_errors =
Michael Chana4743052010-01-17 07:30:43 +00006631 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006632
6633 net_stats->rx_errors = net_stats->rx_length_errors +
6634 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6635 net_stats->rx_crc_errors;
6636
6637 net_stats->tx_aborted_errors =
Michael Chana4743052010-01-17 07:30:43 +00006638 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6639 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006640
Michael Chan5b0c76a2005-11-04 08:45:49 -08006641 if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
6642 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006643 net_stats->tx_carrier_errors = 0;
6644 else {
6645 net_stats->tx_carrier_errors =
Michael Chana4743052010-01-17 07:30:43 +00006646 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006647 }
6648
6649 net_stats->tx_errors =
Michael Chana4743052010-01-17 07:30:43 +00006650 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
Michael Chanb6016b72005-05-26 13:03:09 -07006651 net_stats->tx_aborted_errors +
6652 net_stats->tx_carrier_errors;
6653
Michael Chancea94db2006-06-12 22:16:13 -07006654 net_stats->rx_missed_errors =
Michael Chana4743052010-01-17 07:30:43 +00006655 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6656 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6657 GET_32BIT_NET_STATS(stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006658
Michael Chanb6016b72005-05-26 13:03:09 -07006659 return net_stats;
6660}
6661
6662/* All ethtool functions called with rtnl_lock */
6663
6664static int
6665bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6666{
Michael Chan972ec0d2006-01-23 16:12:43 -08006667 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006668 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006669
6670 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006671 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006672 support_serdes = 1;
6673 support_copper = 1;
6674 } else if (bp->phy_port == PORT_FIBRE)
6675 support_serdes = 1;
6676 else
6677 support_copper = 1;
6678
6679 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006680 cmd->supported |= SUPPORTED_1000baseT_Full |
6681 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006682 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006683 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006684
Michael Chanb6016b72005-05-26 13:03:09 -07006685 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006686 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006687 cmd->supported |= SUPPORTED_10baseT_Half |
6688 SUPPORTED_10baseT_Full |
6689 SUPPORTED_100baseT_Half |
6690 SUPPORTED_100baseT_Full |
6691 SUPPORTED_1000baseT_Full |
6692 SUPPORTED_TP;
6693
Michael Chanb6016b72005-05-26 13:03:09 -07006694 }
6695
Michael Chan7b6b8342007-07-07 22:50:15 -07006696 spin_lock_bh(&bp->phy_lock);
6697 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006698 cmd->advertising = bp->advertising;
6699
6700 if (bp->autoneg & AUTONEG_SPEED) {
6701 cmd->autoneg = AUTONEG_ENABLE;
David Decotigny70739492011-04-27 18:32:40 +00006702 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07006703 cmd->autoneg = AUTONEG_DISABLE;
6704 }
6705
6706 if (netif_carrier_ok(dev)) {
David Decotigny70739492011-04-27 18:32:40 +00006707 ethtool_cmd_speed_set(cmd, bp->line_speed);
Michael Chanb6016b72005-05-26 13:03:09 -07006708 cmd->duplex = bp->duplex;
6709 }
6710 else {
David Decotigny70739492011-04-27 18:32:40 +00006711 ethtool_cmd_speed_set(cmd, -1);
Michael Chanb6016b72005-05-26 13:03:09 -07006712 cmd->duplex = -1;
6713 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006714 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006715
6716 cmd->transceiver = XCVR_INTERNAL;
6717 cmd->phy_address = bp->phy_addr;
6718
6719 return 0;
6720}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006721
Michael Chanb6016b72005-05-26 13:03:09 -07006722static int
6723bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6724{
Michael Chan972ec0d2006-01-23 16:12:43 -08006725 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006726 u8 autoneg = bp->autoneg;
6727 u8 req_duplex = bp->req_duplex;
6728 u16 req_line_speed = bp->req_line_speed;
6729 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006730 int err = -EINVAL;
6731
6732 spin_lock_bh(&bp->phy_lock);
6733
6734 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6735 goto err_out_unlock;
6736
Michael Chan583c28e2008-01-21 19:51:35 -08006737 if (cmd->port != bp->phy_port &&
6738 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006739 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006740
Michael Chand6b14482008-07-14 22:37:21 -07006741 /* If device is down, we can store the settings only if the user
6742 * is setting the currently active port.
6743 */
6744 if (!netif_running(dev) && cmd->port != bp->phy_port)
6745 goto err_out_unlock;
6746
Michael Chanb6016b72005-05-26 13:03:09 -07006747 if (cmd->autoneg == AUTONEG_ENABLE) {
6748 autoneg |= AUTONEG_SPEED;
6749
Michael Chanbeb499a2010-02-15 19:42:10 +00006750 advertising = cmd->advertising;
6751 if (cmd->port == PORT_TP) {
6752 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6753 if (!advertising)
Michael Chanb6016b72005-05-26 13:03:09 -07006754 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanbeb499a2010-02-15 19:42:10 +00006755 } else {
6756 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6757 if (!advertising)
6758 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006759 }
6760 advertising |= ADVERTISED_Autoneg;
6761 }
6762 else {
David Decotigny25db0332011-04-27 18:32:39 +00006763 u32 speed = ethtool_cmd_speed(cmd);
Michael Chan7b6b8342007-07-07 22:50:15 -07006764 if (cmd->port == PORT_FIBRE) {
David Decotigny25db0332011-04-27 18:32:39 +00006765 if ((speed != SPEED_1000 &&
6766 speed != SPEED_2500) ||
Michael Chan80be4432006-11-19 14:07:28 -08006767 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006768 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006769
David Decotigny25db0332011-04-27 18:32:39 +00006770 if (speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006771 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006772 goto err_out_unlock;
David Decotigny25db0332011-04-27 18:32:39 +00006773 } else if (speed == SPEED_1000 || speed == SPEED_2500)
Michael Chan7b6b8342007-07-07 22:50:15 -07006774 goto err_out_unlock;
6775
Michael Chanb6016b72005-05-26 13:03:09 -07006776 autoneg &= ~AUTONEG_SPEED;
David Decotigny25db0332011-04-27 18:32:39 +00006777 req_line_speed = speed;
Michael Chanb6016b72005-05-26 13:03:09 -07006778 req_duplex = cmd->duplex;
6779 advertising = 0;
6780 }
6781
6782 bp->autoneg = autoneg;
6783 bp->advertising = advertising;
6784 bp->req_line_speed = req_line_speed;
6785 bp->req_duplex = req_duplex;
6786
Michael Chand6b14482008-07-14 22:37:21 -07006787 err = 0;
6788 /* If device is down, the new settings will be picked up when it is
6789 * brought up.
6790 */
6791 if (netif_running(dev))
6792 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07006793
Michael Chan7b6b8342007-07-07 22:50:15 -07006794err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07006795 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006796
Michael Chan7b6b8342007-07-07 22:50:15 -07006797 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07006798}
6799
6800static void
6801bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
6802{
Michael Chan972ec0d2006-01-23 16:12:43 -08006803 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006804
6805 strcpy(info->driver, DRV_MODULE_NAME);
6806 strcpy(info->version, DRV_MODULE_VERSION);
6807 strcpy(info->bus_info, pci_name(bp->pdev));
Michael Chan58fc2ea2007-07-07 22:52:02 -07006808 strcpy(info->fw_version, bp->fw_version);
Michael Chanb6016b72005-05-26 13:03:09 -07006809}
6810
Michael Chan244ac4f2006-03-20 17:48:46 -08006811#define BNX2_REGDUMP_LEN (32 * 1024)
6812
6813static int
6814bnx2_get_regs_len(struct net_device *dev)
6815{
6816 return BNX2_REGDUMP_LEN;
6817}
6818
6819static void
6820bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
6821{
6822 u32 *p = _p, i, offset;
6823 u8 *orig_p = _p;
6824 struct bnx2 *bp = netdev_priv(dev);
Joe Perchesb6bc7652010-12-21 02:16:08 -08006825 static const u32 reg_boundaries[] = {
6826 0x0000, 0x0098, 0x0400, 0x045c,
6827 0x0800, 0x0880, 0x0c00, 0x0c10,
6828 0x0c30, 0x0d08, 0x1000, 0x101c,
6829 0x1040, 0x1048, 0x1080, 0x10a4,
6830 0x1400, 0x1490, 0x1498, 0x14f0,
6831 0x1500, 0x155c, 0x1580, 0x15dc,
6832 0x1600, 0x1658, 0x1680, 0x16d8,
6833 0x1800, 0x1820, 0x1840, 0x1854,
6834 0x1880, 0x1894, 0x1900, 0x1984,
6835 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
6836 0x1c80, 0x1c94, 0x1d00, 0x1d84,
6837 0x2000, 0x2030, 0x23c0, 0x2400,
6838 0x2800, 0x2820, 0x2830, 0x2850,
6839 0x2b40, 0x2c10, 0x2fc0, 0x3058,
6840 0x3c00, 0x3c94, 0x4000, 0x4010,
6841 0x4080, 0x4090, 0x43c0, 0x4458,
6842 0x4c00, 0x4c18, 0x4c40, 0x4c54,
6843 0x4fc0, 0x5010, 0x53c0, 0x5444,
6844 0x5c00, 0x5c18, 0x5c80, 0x5c90,
6845 0x5fc0, 0x6000, 0x6400, 0x6428,
6846 0x6800, 0x6848, 0x684c, 0x6860,
6847 0x6888, 0x6910, 0x8000
6848 };
Michael Chan244ac4f2006-03-20 17:48:46 -08006849
6850 regs->version = 0;
6851
6852 memset(p, 0, BNX2_REGDUMP_LEN);
6853
6854 if (!netif_running(bp->dev))
6855 return;
6856
6857 i = 0;
6858 offset = reg_boundaries[0];
6859 p += offset;
6860 while (offset < BNX2_REGDUMP_LEN) {
6861 *p++ = REG_RD(bp, offset);
6862 offset += 4;
6863 if (offset == reg_boundaries[i + 1]) {
6864 offset = reg_boundaries[i + 2];
6865 p = (u32 *) (orig_p + offset);
6866 i += 2;
6867 }
6868 }
6869}
6870
Michael Chanb6016b72005-05-26 13:03:09 -07006871static void
6872bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6873{
Michael Chan972ec0d2006-01-23 16:12:43 -08006874 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006875
David S. Millerf86e82f2008-01-21 17:15:40 -08006876 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006877 wol->supported = 0;
6878 wol->wolopts = 0;
6879 }
6880 else {
6881 wol->supported = WAKE_MAGIC;
6882 if (bp->wol)
6883 wol->wolopts = WAKE_MAGIC;
6884 else
6885 wol->wolopts = 0;
6886 }
6887 memset(&wol->sopass, 0, sizeof(wol->sopass));
6888}
6889
6890static int
6891bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
6892{
Michael Chan972ec0d2006-01-23 16:12:43 -08006893 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006894
6895 if (wol->wolopts & ~WAKE_MAGIC)
6896 return -EINVAL;
6897
6898 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006899 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07006900 return -EINVAL;
6901
6902 bp->wol = 1;
6903 }
6904 else {
6905 bp->wol = 0;
6906 }
6907 return 0;
6908}
6909
6910static int
6911bnx2_nway_reset(struct net_device *dev)
6912{
Michael Chan972ec0d2006-01-23 16:12:43 -08006913 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006914 u32 bmcr;
6915
Michael Chan9f52b562008-10-09 12:21:46 -07006916 if (!netif_running(dev))
6917 return -EAGAIN;
6918
Michael Chanb6016b72005-05-26 13:03:09 -07006919 if (!(bp->autoneg & AUTONEG_SPEED)) {
6920 return -EINVAL;
6921 }
6922
Michael Chanc770a652005-08-25 15:38:39 -07006923 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006924
Michael Chan583c28e2008-01-21 19:51:35 -08006925 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006926 int rc;
6927
6928 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
6929 spin_unlock_bh(&bp->phy_lock);
6930 return rc;
6931 }
6932
Michael Chanb6016b72005-05-26 13:03:09 -07006933 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08006934 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07006935 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07006936 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006937
6938 msleep(20);
6939
Michael Chanc770a652005-08-25 15:38:39 -07006940 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08006941
Michael Chan40105c02008-11-12 16:02:45 -08006942 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006943 bp->serdes_an_pending = 1;
6944 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006945 }
6946
Michael Chanca58c3a2007-05-03 13:22:52 -07006947 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07006948 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07006949 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07006950
Michael Chanc770a652005-08-25 15:38:39 -07006951 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006952
6953 return 0;
6954}
6955
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07006956static u32
6957bnx2_get_link(struct net_device *dev)
6958{
6959 struct bnx2 *bp = netdev_priv(dev);
6960
6961 return bp->link_up;
6962}
6963
Michael Chanb6016b72005-05-26 13:03:09 -07006964static int
6965bnx2_get_eeprom_len(struct net_device *dev)
6966{
Michael Chan972ec0d2006-01-23 16:12:43 -08006967 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006968
Michael Chan1122db72006-01-23 16:11:42 -08006969 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006970 return 0;
6971
Michael Chan1122db72006-01-23 16:11:42 -08006972 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07006973}
6974
6975static int
6976bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6977 u8 *eebuf)
6978{
Michael Chan972ec0d2006-01-23 16:12:43 -08006979 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006980 int rc;
6981
Michael Chan9f52b562008-10-09 12:21:46 -07006982 if (!netif_running(dev))
6983 return -EAGAIN;
6984
John W. Linville1064e942005-11-10 12:58:24 -08006985 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07006986
6987 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
6988
6989 return rc;
6990}
6991
6992static int
6993bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
6994 u8 *eebuf)
6995{
Michael Chan972ec0d2006-01-23 16:12:43 -08006996 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006997 int rc;
6998
Michael Chan9f52b562008-10-09 12:21:46 -07006999 if (!netif_running(dev))
7000 return -EAGAIN;
7001
John W. Linville1064e942005-11-10 12:58:24 -08007002 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07007003
7004 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7005
7006 return rc;
7007}
7008
7009static int
7010bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7011{
Michael Chan972ec0d2006-01-23 16:12:43 -08007012 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007013
7014 memset(coal, 0, sizeof(struct ethtool_coalesce));
7015
7016 coal->rx_coalesce_usecs = bp->rx_ticks;
7017 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7018 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7019 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7020
7021 coal->tx_coalesce_usecs = bp->tx_ticks;
7022 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7023 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7024 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7025
7026 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7027
7028 return 0;
7029}
7030
7031static int
7032bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7033{
Michael Chan972ec0d2006-01-23 16:12:43 -08007034 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007035
7036 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7037 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7038
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007039 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007040 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7041
7042 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7043 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7044
7045 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7046 if (bp->rx_quick_cons_trip_int > 0xff)
7047 bp->rx_quick_cons_trip_int = 0xff;
7048
7049 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7050 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7051
7052 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7053 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7054
7055 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7056 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7057
7058 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7059 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7060 0xff;
7061
7062 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007063 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007064 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7065 bp->stats_ticks = USEC_PER_SEC;
7066 }
Michael Chan7ea69202007-07-16 18:27:10 -07007067 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7068 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7069 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007070
7071 if (netif_running(bp->dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00007072 bnx2_netif_stop(bp, true);
Michael Chan9a120bc2008-05-16 22:17:45 -07007073 bnx2_init_nic(bp, 0);
Michael Chan212f9932010-04-27 11:28:10 +00007074 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007075 }
7076
7077 return 0;
7078}
7079
7080static void
7081bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7082{
Michael Chan972ec0d2006-01-23 16:12:43 -08007083 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007084
Michael Chan13daffa2006-03-20 17:49:20 -08007085 ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007086 ering->rx_mini_max_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007087 ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007088
7089 ering->rx_pending = bp->rx_ring_size;
7090 ering->rx_mini_pending = 0;
Michael Chan47bf4242007-12-12 11:19:12 -08007091 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007092
7093 ering->tx_max_pending = MAX_TX_DESC_CNT;
7094 ering->tx_pending = bp->tx_ring_size;
7095}
7096
7097static int
Michael Chan5d5d0012007-12-12 11:17:43 -08007098bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
Michael Chanb6016b72005-05-26 13:03:09 -07007099{
Michael Chan13daffa2006-03-20 17:49:20 -08007100 if (netif_running(bp->dev)) {
Michael Chan354fcd72010-01-17 07:30:44 +00007101 /* Reset will erase chipset stats; save them */
7102 bnx2_save_stats(bp);
7103
Michael Chan212f9932010-04-27 11:28:10 +00007104 bnx2_netif_stop(bp, true);
Michael Chan13daffa2006-03-20 17:49:20 -08007105 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
Michael Chana29ba9d2010-12-31 11:03:14 -08007106 __bnx2_free_irq(bp);
Michael Chan13daffa2006-03-20 17:49:20 -08007107 bnx2_free_skbs(bp);
7108 bnx2_free_mem(bp);
7109 }
7110
Michael Chan5d5d0012007-12-12 11:17:43 -08007111 bnx2_set_rx_ring_size(bp, rx);
7112 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007113
7114 if (netif_running(bp->dev)) {
Michael Chan13daffa2006-03-20 17:49:20 -08007115 int rc;
7116
7117 rc = bnx2_alloc_mem(bp);
Michael Chan6fefb652009-08-21 16:20:45 +00007118 if (!rc)
Michael Chana29ba9d2010-12-31 11:03:14 -08007119 rc = bnx2_request_irq(bp);
7120
7121 if (!rc)
Michael Chan6fefb652009-08-21 16:20:45 +00007122 rc = bnx2_init_nic(bp, 0);
7123
7124 if (rc) {
7125 bnx2_napi_enable(bp);
7126 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007127 return rc;
Michael Chan6fefb652009-08-21 16:20:45 +00007128 }
Michael Chane9f26c42010-02-15 19:42:08 +00007129#ifdef BCM_CNIC
7130 mutex_lock(&bp->cnic_lock);
7131 /* Let cnic know about the new status block. */
7132 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7133 bnx2_setup_cnic_irq_info(bp);
7134 mutex_unlock(&bp->cnic_lock);
7135#endif
Michael Chan212f9932010-04-27 11:28:10 +00007136 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007137 }
Michael Chanb6016b72005-05-26 13:03:09 -07007138 return 0;
7139}
7140
Michael Chan5d5d0012007-12-12 11:17:43 -08007141static int
7142bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7143{
7144 struct bnx2 *bp = netdev_priv(dev);
7145 int rc;
7146
7147 if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
7148 (ering->tx_pending > MAX_TX_DESC_CNT) ||
7149 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7150
7151 return -EINVAL;
7152 }
7153 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
7154 return rc;
7155}
7156
Michael Chanb6016b72005-05-26 13:03:09 -07007157static void
7158bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7159{
Michael Chan972ec0d2006-01-23 16:12:43 -08007160 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007161
7162 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7163 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7164 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7165}
7166
7167static int
7168bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7169{
Michael Chan972ec0d2006-01-23 16:12:43 -08007170 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007171
7172 bp->req_flow_ctrl = 0;
7173 if (epause->rx_pause)
7174 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7175 if (epause->tx_pause)
7176 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7177
7178 if (epause->autoneg) {
7179 bp->autoneg |= AUTONEG_FLOW_CTRL;
7180 }
7181 else {
7182 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7183 }
7184
Michael Chan9f52b562008-10-09 12:21:46 -07007185 if (netif_running(dev)) {
7186 spin_lock_bh(&bp->phy_lock);
7187 bnx2_setup_phy(bp, bp->phy_port);
7188 spin_unlock_bh(&bp->phy_lock);
7189 }
Michael Chanb6016b72005-05-26 13:03:09 -07007190
7191 return 0;
7192}
7193
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007194static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007195 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007196} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007197 { "rx_bytes" },
7198 { "rx_error_bytes" },
7199 { "tx_bytes" },
7200 { "tx_error_bytes" },
7201 { "rx_ucast_packets" },
7202 { "rx_mcast_packets" },
7203 { "rx_bcast_packets" },
7204 { "tx_ucast_packets" },
7205 { "tx_mcast_packets" },
7206 { "tx_bcast_packets" },
7207 { "tx_mac_errors" },
7208 { "tx_carrier_errors" },
7209 { "rx_crc_errors" },
7210 { "rx_align_errors" },
7211 { "tx_single_collisions" },
7212 { "tx_multi_collisions" },
7213 { "tx_deferred" },
7214 { "tx_excess_collisions" },
7215 { "tx_late_collisions" },
7216 { "tx_total_collisions" },
7217 { "rx_fragments" },
7218 { "rx_jabbers" },
7219 { "rx_undersize_packets" },
7220 { "rx_oversize_packets" },
7221 { "rx_64_byte_packets" },
7222 { "rx_65_to_127_byte_packets" },
7223 { "rx_128_to_255_byte_packets" },
7224 { "rx_256_to_511_byte_packets" },
7225 { "rx_512_to_1023_byte_packets" },
7226 { "rx_1024_to_1522_byte_packets" },
7227 { "rx_1523_to_9022_byte_packets" },
7228 { "tx_64_byte_packets" },
7229 { "tx_65_to_127_byte_packets" },
7230 { "tx_128_to_255_byte_packets" },
7231 { "tx_256_to_511_byte_packets" },
7232 { "tx_512_to_1023_byte_packets" },
7233 { "tx_1024_to_1522_byte_packets" },
7234 { "tx_1523_to_9022_byte_packets" },
7235 { "rx_xon_frames" },
7236 { "rx_xoff_frames" },
7237 { "tx_xon_frames" },
7238 { "tx_xoff_frames" },
7239 { "rx_mac_ctrl_frames" },
7240 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007241 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007242 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007243 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007244};
7245
Michael Chan790dab22009-08-21 16:20:47 +00007246#define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\
7247 sizeof(bnx2_stats_str_arr[0]))
7248
Michael Chanb6016b72005-05-26 13:03:09 -07007249#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7250
Arjan van de Venf71e1302006-03-03 21:33:57 -05007251static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007252 STATS_OFFSET32(stat_IfHCInOctets_hi),
7253 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7254 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7255 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7256 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7257 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7258 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7259 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7260 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7261 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7262 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007263 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7264 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7265 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7266 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7267 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7268 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7269 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7270 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7271 STATS_OFFSET32(stat_EtherStatsCollisions),
7272 STATS_OFFSET32(stat_EtherStatsFragments),
7273 STATS_OFFSET32(stat_EtherStatsJabbers),
7274 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7275 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7276 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7277 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7278 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7279 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7280 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7281 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7282 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7283 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7284 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7285 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7286 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7287 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7288 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7289 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7290 STATS_OFFSET32(stat_XonPauseFramesReceived),
7291 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7292 STATS_OFFSET32(stat_OutXonSent),
7293 STATS_OFFSET32(stat_OutXoffSent),
7294 STATS_OFFSET32(stat_MacControlFramesReceived),
7295 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007296 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007297 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007298 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007299};
7300
7301/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7302 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007303 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007304static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007305 8,0,8,8,8,8,8,8,8,8,
7306 4,0,4,4,4,4,4,4,4,4,
7307 4,4,4,4,4,4,4,4,4,4,
7308 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007309 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007310};
7311
Michael Chan5b0c76a2005-11-04 08:45:49 -08007312static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7313 8,0,8,8,8,8,8,8,8,8,
7314 4,4,4,4,4,4,4,4,4,4,
7315 4,4,4,4,4,4,4,4,4,4,
7316 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007317 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007318};
7319
Michael Chanb6016b72005-05-26 13:03:09 -07007320#define BNX2_NUM_TESTS 6
7321
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007322static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007323 char string[ETH_GSTRING_LEN];
7324} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7325 { "register_test (offline)" },
7326 { "memory_test (offline)" },
7327 { "loopback_test (offline)" },
7328 { "nvram_test (online)" },
7329 { "interrupt_test (online)" },
7330 { "link_test (online)" },
7331};
7332
7333static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007334bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007335{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007336 switch (sset) {
7337 case ETH_SS_TEST:
7338 return BNX2_NUM_TESTS;
7339 case ETH_SS_STATS:
7340 return BNX2_NUM_STATS;
7341 default:
7342 return -EOPNOTSUPP;
7343 }
Michael Chanb6016b72005-05-26 13:03:09 -07007344}
7345
7346static void
7347bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7348{
Michael Chan972ec0d2006-01-23 16:12:43 -08007349 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007350
Michael Chan9f52b562008-10-09 12:21:46 -07007351 bnx2_set_power_state(bp, PCI_D0);
7352
Michael Chanb6016b72005-05-26 13:03:09 -07007353 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7354 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007355 int i;
7356
Michael Chan212f9932010-04-27 11:28:10 +00007357 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007358 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7359 bnx2_free_skbs(bp);
7360
7361 if (bnx2_test_registers(bp) != 0) {
7362 buf[0] = 1;
7363 etest->flags |= ETH_TEST_FL_FAILED;
7364 }
7365 if (bnx2_test_memory(bp) != 0) {
7366 buf[1] = 1;
7367 etest->flags |= ETH_TEST_FL_FAILED;
7368 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007369 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007370 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007371
Michael Chan9f52b562008-10-09 12:21:46 -07007372 if (!netif_running(bp->dev))
7373 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007374 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007375 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00007376 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007377 }
7378
7379 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007380 for (i = 0; i < 7; i++) {
7381 if (bp->link_up)
7382 break;
7383 msleep_interruptible(1000);
7384 }
Michael Chanb6016b72005-05-26 13:03:09 -07007385 }
7386
7387 if (bnx2_test_nvram(bp) != 0) {
7388 buf[3] = 1;
7389 etest->flags |= ETH_TEST_FL_FAILED;
7390 }
7391 if (bnx2_test_intr(bp) != 0) {
7392 buf[4] = 1;
7393 etest->flags |= ETH_TEST_FL_FAILED;
7394 }
7395
7396 if (bnx2_test_link(bp) != 0) {
7397 buf[5] = 1;
7398 etest->flags |= ETH_TEST_FL_FAILED;
7399
7400 }
Michael Chan9f52b562008-10-09 12:21:46 -07007401 if (!netif_running(bp->dev))
7402 bnx2_set_power_state(bp, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07007403}
7404
7405static void
7406bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7407{
7408 switch (stringset) {
7409 case ETH_SS_STATS:
7410 memcpy(buf, bnx2_stats_str_arr,
7411 sizeof(bnx2_stats_str_arr));
7412 break;
7413 case ETH_SS_TEST:
7414 memcpy(buf, bnx2_tests_str_arr,
7415 sizeof(bnx2_tests_str_arr));
7416 break;
7417 }
7418}
7419
Michael Chanb6016b72005-05-26 13:03:09 -07007420static void
7421bnx2_get_ethtool_stats(struct net_device *dev,
7422 struct ethtool_stats *stats, u64 *buf)
7423{
Michael Chan972ec0d2006-01-23 16:12:43 -08007424 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007425 int i;
7426 u32 *hw_stats = (u32 *) bp->stats_blk;
Michael Chan354fcd72010-01-17 07:30:44 +00007427 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007428 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007429
7430 if (hw_stats == NULL) {
7431 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7432 return;
7433 }
7434
Michael Chan5b0c76a2005-11-04 08:45:49 -08007435 if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
7436 (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
7437 (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
7438 (CHIP_ID(bp) == CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007439 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007440 else
7441 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007442
7443 for (i = 0; i < BNX2_NUM_STATS; i++) {
Michael Chan354fcd72010-01-17 07:30:44 +00007444 unsigned long offset;
7445
Michael Chanb6016b72005-05-26 13:03:09 -07007446 if (stats_len_arr[i] == 0) {
7447 /* skip this counter */
7448 buf[i] = 0;
7449 continue;
7450 }
Michael Chan354fcd72010-01-17 07:30:44 +00007451
7452 offset = bnx2_stats_offset_arr[i];
Michael Chanb6016b72005-05-26 13:03:09 -07007453 if (stats_len_arr[i] == 4) {
7454 /* 4-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007455 buf[i] = (u64) *(hw_stats + offset) +
7456 *(temp_stats + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07007457 continue;
7458 }
7459 /* 8-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007460 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7461 *(hw_stats + offset + 1) +
7462 (((u64) *(temp_stats + offset)) << 32) +
7463 *(temp_stats + offset + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007464 }
7465}
7466
7467static int
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007468bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
Michael Chanb6016b72005-05-26 13:03:09 -07007469{
Michael Chan972ec0d2006-01-23 16:12:43 -08007470 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007471
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007472 switch (state) {
7473 case ETHTOOL_ID_ACTIVE:
7474 bnx2_set_power_state(bp, PCI_D0);
Michael Chan9f52b562008-10-09 12:21:46 -07007475
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007476 bp->leds_save = REG_RD(bp, BNX2_MISC_CFG);
7477 REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
Allan, Bruce Wfce55922011-04-13 13:09:10 +00007478 return 1; /* cycle on/off once per second */
Michael Chanb6016b72005-05-26 13:03:09 -07007479
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007480 case ETHTOOL_ID_ON:
7481 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7482 BNX2_EMAC_LED_1000MB_OVERRIDE |
7483 BNX2_EMAC_LED_100MB_OVERRIDE |
7484 BNX2_EMAC_LED_10MB_OVERRIDE |
7485 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7486 BNX2_EMAC_LED_TRAFFIC);
7487 break;
Michael Chanb6016b72005-05-26 13:03:09 -07007488
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007489 case ETHTOOL_ID_OFF:
7490 REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
7491 break;
7492
7493 case ETHTOOL_ID_INACTIVE:
7494 REG_WR(bp, BNX2_EMAC_LED, 0);
7495 REG_WR(bp, BNX2_MISC_CFG, bp->leds_save);
7496
7497 if (!netif_running(dev))
7498 bnx2_set_power_state(bp, PCI_D3hot);
7499 break;
Michael Chanb6016b72005-05-26 13:03:09 -07007500 }
Michael Chan9f52b562008-10-09 12:21:46 -07007501
Michael Chanb6016b72005-05-26 13:03:09 -07007502 return 0;
7503}
7504
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007505static u32
7506bnx2_fix_features(struct net_device *dev, u32 features)
Michael Chan4666f872007-05-03 13:22:28 -07007507{
7508 struct bnx2 *bp = netdev_priv(dev);
7509
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007510 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
7511 features |= NETIF_F_HW_VLAN_RX;
7512
7513 return features;
Michael Chan4666f872007-05-03 13:22:28 -07007514}
7515
Michael Chanfdc85412010-07-03 20:42:16 +00007516static int
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007517bnx2_set_features(struct net_device *dev, u32 features)
Michael Chanfdc85412010-07-03 20:42:16 +00007518{
Jesse Gross7d0fd212010-10-20 13:56:09 +00007519 struct bnx2 *bp = netdev_priv(dev);
Jesse Gross7d0fd212010-10-20 13:56:09 +00007520
Michael Chan7c810472011-01-24 12:59:02 +00007521 /* TSO with VLAN tag won't work with current firmware */
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007522 if (features & NETIF_F_HW_VLAN_TX)
7523 dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO);
7524 else
7525 dev->vlan_features &= ~NETIF_F_ALL_TSO;
Michael Chan7c810472011-01-24 12:59:02 +00007526
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007527 if ((!!(features & NETIF_F_HW_VLAN_RX) !=
Jesse Gross7d0fd212010-10-20 13:56:09 +00007528 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
7529 netif_running(dev)) {
7530 bnx2_netif_stop(bp, false);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007531 dev->features = features;
Jesse Gross7d0fd212010-10-20 13:56:09 +00007532 bnx2_set_rx_mode(dev);
7533 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
7534 bnx2_netif_start(bp, false);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007535 return 1;
Jesse Gross7d0fd212010-10-20 13:56:09 +00007536 }
7537
7538 return 0;
Michael Chanfdc85412010-07-03 20:42:16 +00007539}
7540
Jeff Garzik7282d492006-09-13 14:30:00 -04007541static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007542 .get_settings = bnx2_get_settings,
7543 .set_settings = bnx2_set_settings,
7544 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007545 .get_regs_len = bnx2_get_regs_len,
7546 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007547 .get_wol = bnx2_get_wol,
7548 .set_wol = bnx2_set_wol,
7549 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007550 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007551 .get_eeprom_len = bnx2_get_eeprom_len,
7552 .get_eeprom = bnx2_get_eeprom,
7553 .set_eeprom = bnx2_set_eeprom,
7554 .get_coalesce = bnx2_get_coalesce,
7555 .set_coalesce = bnx2_set_coalesce,
7556 .get_ringparam = bnx2_get_ringparam,
7557 .set_ringparam = bnx2_set_ringparam,
7558 .get_pauseparam = bnx2_get_pauseparam,
7559 .set_pauseparam = bnx2_set_pauseparam,
Michael Chanb6016b72005-05-26 13:03:09 -07007560 .self_test = bnx2_self_test,
7561 .get_strings = bnx2_get_strings,
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007562 .set_phys_id = bnx2_set_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007563 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007564 .get_sset_count = bnx2_get_sset_count,
Michael Chanb6016b72005-05-26 13:03:09 -07007565};
7566
7567/* Called with rtnl_lock */
7568static int
7569bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7570{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007571 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007572 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007573 int err;
7574
7575 switch(cmd) {
7576 case SIOCGMIIPHY:
7577 data->phy_id = bp->phy_addr;
7578
7579 /* fallthru */
7580 case SIOCGMIIREG: {
7581 u32 mii_regval;
7582
Michael Chan583c28e2008-01-21 19:51:35 -08007583 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007584 return -EOPNOTSUPP;
7585
Michael Chandad3e452007-05-03 13:18:03 -07007586 if (!netif_running(dev))
7587 return -EAGAIN;
7588
Michael Chanc770a652005-08-25 15:38:39 -07007589 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007590 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007591 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007592
7593 data->val_out = mii_regval;
7594
7595 return err;
7596 }
7597
7598 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007599 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007600 return -EOPNOTSUPP;
7601
Michael Chandad3e452007-05-03 13:18:03 -07007602 if (!netif_running(dev))
7603 return -EAGAIN;
7604
Michael Chanc770a652005-08-25 15:38:39 -07007605 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007606 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007607 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007608
7609 return err;
7610
7611 default:
7612 /* do nothing */
7613 break;
7614 }
7615 return -EOPNOTSUPP;
7616}
7617
7618/* Called with rtnl_lock */
7619static int
7620bnx2_change_mac_addr(struct net_device *dev, void *p)
7621{
7622 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007623 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007624
Michael Chan73eef4c2005-08-25 15:39:15 -07007625 if (!is_valid_ether_addr(addr->sa_data))
7626 return -EINVAL;
7627
Michael Chanb6016b72005-05-26 13:03:09 -07007628 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7629 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007630 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007631
7632 return 0;
7633}
7634
7635/* Called with rtnl_lock */
7636static int
7637bnx2_change_mtu(struct net_device *dev, int new_mtu)
7638{
Michael Chan972ec0d2006-01-23 16:12:43 -08007639 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007640
7641 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7642 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7643 return -EINVAL;
7644
7645 dev->mtu = new_mtu;
Eric Dumazet807540b2010-09-23 05:40:09 +00007646 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07007647}
7648
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00007649#ifdef CONFIG_NET_POLL_CONTROLLER
Michael Chanb6016b72005-05-26 13:03:09 -07007650static void
7651poll_bnx2(struct net_device *dev)
7652{
Michael Chan972ec0d2006-01-23 16:12:43 -08007653 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007654 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007655
Neil Hormanb2af2c12008-11-12 16:23:44 -08007656 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan1bf1e342010-03-23 13:13:12 +00007657 struct bnx2_irq *irq = &bp->irq_tbl[i];
7658
7659 disable_irq(irq->vector);
7660 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7661 enable_irq(irq->vector);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007662 }
Michael Chanb6016b72005-05-26 13:03:09 -07007663}
7664#endif
7665
Michael Chan253c8b72007-01-08 19:56:01 -08007666static void __devinit
7667bnx2_get_5709_media(struct bnx2 *bp)
7668{
7669 u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
7670 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7671 u32 strap;
7672
7673 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7674 return;
7675 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007676 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007677 return;
7678 }
7679
7680 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7681 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7682 else
7683 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7684
7685 if (PCI_FUNC(bp->pdev->devfn) == 0) {
7686 switch (strap) {
7687 case 0x4:
7688 case 0x5:
7689 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007690 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007691 return;
7692 }
7693 } else {
7694 switch (strap) {
7695 case 0x1:
7696 case 0x2:
7697 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007698 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007699 return;
7700 }
7701 }
7702}
7703
Michael Chan883e5152007-05-03 13:25:11 -07007704static void __devinit
7705bnx2_get_pci_speed(struct bnx2 *bp)
7706{
7707 u32 reg;
7708
7709 reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
7710 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7711 u32 clkreg;
7712
David S. Millerf86e82f2008-01-21 17:15:40 -08007713 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007714
7715 clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
7716
7717 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7718 switch (clkreg) {
7719 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7720 bp->bus_speed_mhz = 133;
7721 break;
7722
7723 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7724 bp->bus_speed_mhz = 100;
7725 break;
7726
7727 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7728 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7729 bp->bus_speed_mhz = 66;
7730 break;
7731
7732 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7733 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7734 bp->bus_speed_mhz = 50;
7735 break;
7736
7737 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7738 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7739 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7740 bp->bus_speed_mhz = 33;
7741 break;
7742 }
7743 }
7744 else {
7745 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7746 bp->bus_speed_mhz = 66;
7747 else
7748 bp->bus_speed_mhz = 33;
7749 }
7750
7751 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007752 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007753
7754}
7755
Michael Chan76d99062009-12-03 09:46:34 +00007756static void __devinit
7757bnx2_read_vpd_fw_ver(struct bnx2 *bp)
7758{
Matt Carlsondf25bc32010-02-26 14:04:44 +00007759 int rc, i, j;
Michael Chan76d99062009-12-03 09:46:34 +00007760 u8 *data;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007761 unsigned int block_end, rosize, len;
Michael Chan76d99062009-12-03 09:46:34 +00007762
Michael Chan012093f2009-12-03 15:58:00 -08007763#define BNX2_VPD_NVRAM_OFFSET 0x300
7764#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00007765#define BNX2_MAX_VER_SLEN 30
7766
7767 data = kmalloc(256, GFP_KERNEL);
7768 if (!data)
7769 return;
7770
Michael Chan012093f2009-12-03 15:58:00 -08007771 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
7772 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00007773 if (rc)
7774 goto vpd_done;
7775
Michael Chan012093f2009-12-03 15:58:00 -08007776 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
7777 data[i] = data[i + BNX2_VPD_LEN + 3];
7778 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
7779 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
7780 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00007781 }
7782
Matt Carlsondf25bc32010-02-26 14:04:44 +00007783 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
7784 if (i < 0)
Michael Chan76d99062009-12-03 09:46:34 +00007785 goto vpd_done;
Matt Carlsondf25bc32010-02-26 14:04:44 +00007786
7787 rosize = pci_vpd_lrdt_size(&data[i]);
7788 i += PCI_VPD_LRDT_TAG_SIZE;
7789 block_end = i + rosize;
7790
7791 if (block_end > BNX2_VPD_LEN)
7792 goto vpd_done;
7793
7794 j = pci_vpd_find_info_keyword(data, i, rosize,
7795 PCI_VPD_RO_KEYWORD_MFR_ID);
7796 if (j < 0)
7797 goto vpd_done;
7798
7799 len = pci_vpd_info_field_size(&data[j]);
7800
7801 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7802 if (j + len > block_end || len != 4 ||
7803 memcmp(&data[j], "1028", 4))
7804 goto vpd_done;
7805
7806 j = pci_vpd_find_info_keyword(data, i, rosize,
7807 PCI_VPD_RO_KEYWORD_VENDOR0);
7808 if (j < 0)
7809 goto vpd_done;
7810
7811 len = pci_vpd_info_field_size(&data[j]);
7812
7813 j += PCI_VPD_INFO_FLD_HDR_SIZE;
7814 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
7815 goto vpd_done;
7816
7817 memcpy(bp->fw_version, &data[j], len);
7818 bp->fw_version[len] = ' ';
Michael Chan76d99062009-12-03 09:46:34 +00007819
7820vpd_done:
7821 kfree(data);
7822}
7823
Michael Chanb6016b72005-05-26 13:03:09 -07007824static int __devinit
7825bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
7826{
7827 struct bnx2 *bp;
7828 unsigned long mem_len;
Michael Chan58fc2ea2007-07-07 22:52:02 -07007829 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07007830 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07007831 u64 dma_mask, persist_dma_mask;
John Feeneycd709aa2010-08-22 17:45:53 +00007832 int err;
Michael Chanb6016b72005-05-26 13:03:09 -07007833
Michael Chanb6016b72005-05-26 13:03:09 -07007834 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08007835 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007836
7837 bp->flags = 0;
7838 bp->phy_flags = 0;
7839
Michael Chan354fcd72010-01-17 07:30:44 +00007840 bp->temp_stats_blk =
7841 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
7842
7843 if (bp->temp_stats_blk == NULL) {
7844 rc = -ENOMEM;
7845 goto err_out;
7846 }
7847
Michael Chanb6016b72005-05-26 13:03:09 -07007848 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7849 rc = pci_enable_device(pdev);
7850 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007851 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007852 goto err_out;
7853 }
7854
7855 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007856 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007857 "Cannot find PCI device base address, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007858 rc = -ENODEV;
7859 goto err_out_disable;
7860 }
7861
7862 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7863 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007864 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007865 goto err_out_disable;
7866 }
7867
7868 pci_set_master(pdev);
7869
7870 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
7871 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007872 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007873 "Cannot find power management capability, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007874 rc = -EIO;
7875 goto err_out_release;
7876 }
7877
Michael Chanb6016b72005-05-26 13:03:09 -07007878 bp->dev = dev;
7879 bp->pdev = pdev;
7880
7881 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07007882 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00007883#ifdef BCM_CNIC
7884 mutex_init(&bp->cnic_lock);
7885#endif
David Howellsc4028952006-11-22 14:57:56 +00007886 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07007887
7888 dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
Michael Chan4edd4732009-06-08 18:14:42 -07007889 mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007890 dev->mem_end = dev->mem_start + mem_len;
7891 dev->irq = pdev->irq;
7892
7893 bp->regview = ioremap_nocache(dev->base_addr, mem_len);
7894
7895 if (!bp->regview) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007896 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007897 rc = -ENOMEM;
7898 goto err_out_release;
7899 }
7900
Michael Chanbe7ff1a2010-11-24 13:48:55 +00007901 bnx2_set_power_state(bp, PCI_D0);
7902
Michael Chanb6016b72005-05-26 13:03:09 -07007903 /* Configure byte swap and enable write to the reg_window registers.
7904 * Rely on CPU to do target byte swapping on big endian systems
7905 * The chip's target access swapping will not swap all accesses
7906 */
Michael Chanbe7ff1a2010-11-24 13:48:55 +00007907 REG_WR(bp, BNX2_PCICFG_MISC_CONFIG,
7908 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
7909 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
Michael Chanb6016b72005-05-26 13:03:09 -07007910
7911 bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
7912
Michael Chan883e5152007-05-03 13:25:11 -07007913 if (CHIP_NUM(bp) == CHIP_NUM_5709) {
Jon Masone82760e2011-06-27 07:44:43 +00007914 if (!pci_is_pcie(pdev)) {
7915 dev_err(&pdev->dev, "Not PCIE, aborting\n");
Michael Chan883e5152007-05-03 13:25:11 -07007916 rc = -EIO;
7917 goto err_out_unmap;
7918 }
David S. Millerf86e82f2008-01-21 17:15:40 -08007919 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan2dd201d2008-01-21 17:06:09 -08007920 if (CHIP_REV(bp) == CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08007921 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chanc239f272010-10-11 16:12:28 -07007922
7923 /* AER (Advanced Error Reporting) hooks */
7924 err = pci_enable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00007925 if (!err)
7926 bp->flags |= BNX2_FLAG_AER_ENABLED;
Michael Chanc239f272010-10-11 16:12:28 -07007927
Michael Chan883e5152007-05-03 13:25:11 -07007928 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08007929 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
7930 if (bp->pcix_cap == 0) {
7931 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007932 "Cannot find PCIX capability, aborting\n");
Michael Chan59b47d82006-11-19 14:10:45 -08007933 rc = -EIO;
7934 goto err_out_unmap;
7935 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00007936 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08007937 }
7938
Michael Chanb4b36042007-12-20 19:59:30 -08007939 if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
7940 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
David S. Millerf86e82f2008-01-21 17:15:40 -08007941 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08007942 }
7943
Michael Chan8e6a72c2007-05-03 13:24:48 -07007944 if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
7945 if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
David S. Millerf86e82f2008-01-21 17:15:40 -08007946 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07007947 }
7948
Michael Chan40453c82007-05-03 13:19:18 -07007949 /* 5708 cannot support DMA addresses > 40-bit. */
7950 if (CHIP_NUM(bp) == CHIP_NUM_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07007951 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07007952 else
Yang Hongyang6a355282009-04-06 19:01:13 -07007953 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07007954
7955 /* Configure DMA attributes. */
7956 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
7957 dev->features |= NETIF_F_HIGHDMA;
7958 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
7959 if (rc) {
7960 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007961 "pci_set_consistent_dma_mask failed, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007962 goto err_out_unmap;
7963 }
Yang Hongyang284901a2009-04-06 19:01:15 -07007964 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00007965 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07007966 goto err_out_unmap;
7967 }
7968
David S. Millerf86e82f2008-01-21 17:15:40 -08007969 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07007970 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007971
7972 /* 5706A0 may falsely detect SERR and PERR. */
7973 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
7974 reg = REG_RD(bp, PCI_COMMAND);
7975 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
7976 REG_WR(bp, PCI_COMMAND, reg);
7977 }
7978 else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08007979 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07007980
Jeff Garzik9b91cf92006-06-27 11:39:50 -04007981 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00007982 "5706 A1 can only be used in a PCIX bus, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07007983 goto err_out_unmap;
7984 }
7985
7986 bnx2_init_nvram(bp);
7987
Michael Chan2726d6e2008-01-29 21:35:05 -08007988 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08007989
7990 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08007991 BNX2_SHM_HDR_SIGNATURE_SIG) {
7992 u32 off = PCI_FUNC(pdev->devfn) << 2;
7993
Michael Chan2726d6e2008-01-29 21:35:05 -08007994 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08007995 } else
Michael Chane3648b32005-11-04 08:51:21 -08007996 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
7997
Michael Chanb6016b72005-05-26 13:03:09 -07007998 /* Get the permanent MAC address. First we need to make sure the
7999 * firmware is actually running.
8000 */
Michael Chan2726d6e2008-01-29 21:35:05 -08008001 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07008002
8003 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8004 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008005 dev_err(&pdev->dev, "Firmware not running, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008006 rc = -ENODEV;
8007 goto err_out_unmap;
8008 }
8009
Michael Chan76d99062009-12-03 09:46:34 +00008010 bnx2_read_vpd_fw_ver(bp);
8011
8012 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08008013 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00008014 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07008015 u8 num, k, skip0;
8016
Michael Chan76d99062009-12-03 09:46:34 +00008017 if (i == 0) {
8018 bp->fw_version[j++] = 'b';
8019 bp->fw_version[j++] = 'c';
8020 bp->fw_version[j++] = ' ';
8021 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008022 num = (u8) (reg >> (24 - (i * 8)));
8023 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8024 if (num >= k || !skip0 || k == 1) {
8025 bp->fw_version[j++] = (num / k) + '0';
8026 skip0 = 0;
8027 }
8028 }
8029 if (i != 2)
8030 bp->fw_version[j++] = '.';
8031 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008032 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008033 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8034 bp->wol = 1;
8035
8036 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008037 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008038
8039 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008040 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008041 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8042 break;
8043 msleep(10);
8044 }
8045 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008046 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008047 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8048 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8049 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008050 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008051
Michael Chan76d99062009-12-03 09:46:34 +00008052 if (j < 32)
8053 bp->fw_version[j++] = ' ';
8054 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008055 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008056 reg = swab32(reg);
8057 memcpy(&bp->fw_version[j], &reg, 4);
8058 j += 4;
8059 }
8060 }
Michael Chanb6016b72005-05-26 13:03:09 -07008061
Michael Chan2726d6e2008-01-29 21:35:05 -08008062 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008063 bp->mac_addr[0] = (u8) (reg >> 8);
8064 bp->mac_addr[1] = (u8) reg;
8065
Michael Chan2726d6e2008-01-29 21:35:05 -08008066 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008067 bp->mac_addr[2] = (u8) (reg >> 24);
8068 bp->mac_addr[3] = (u8) (reg >> 16);
8069 bp->mac_addr[4] = (u8) (reg >> 8);
8070 bp->mac_addr[5] = (u8) reg;
8071
8072 bp->tx_ring_size = MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008073 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008074
Michael Chancf7474a2009-08-21 16:20:48 +00008075 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008076 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008077 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008078 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008079
Michael Chancf7474a2009-08-21 16:20:48 +00008080 bp->rx_quick_cons_trip_int = 2;
8081 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008082 bp->rx_ticks_int = 18;
8083 bp->rx_ticks = 18;
8084
Michael Chan7ea69202007-07-16 18:27:10 -07008085 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008086
Benjamin Liac392ab2008-09-18 16:40:49 -07008087 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008088
Michael Chan5b0c76a2005-11-04 08:45:49 -08008089 bp->phy_addr = 1;
8090
Michael Chanb6016b72005-05-26 13:03:09 -07008091 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan253c8b72007-01-08 19:56:01 -08008092 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8093 bnx2_get_5709_media(bp);
8094 else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008095 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008096
Michael Chan0d8a6572007-07-07 22:49:43 -07008097 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008098 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008099 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008100 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008101 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008102 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008103 bp->wol = 0;
8104 }
Michael Chan38ea3682008-02-23 19:48:57 -08008105 if (CHIP_NUM(bp) == CHIP_NUM_5706) {
8106 /* Don't do parallel detect on this board because of
8107 * some board problems. The link will not go down
8108 * if we do parallel detect.
8109 */
8110 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8111 pdev->subsystem_device == 0x310c)
8112 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8113 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008114 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008115 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008116 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008117 }
Michael Chan261dd5c2007-01-08 19:55:46 -08008118 } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
8119 CHIP_NUM(bp) == CHIP_NUM_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008120 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chanfb0c18b2007-12-10 17:18:23 -08008121 else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
8122 (CHIP_REV(bp) == CHIP_REV_Ax ||
8123 CHIP_REV(bp) == CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008124 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008125
Michael Chan7c62e832008-07-14 22:39:03 -07008126 bnx2_init_fw_cap(bp);
8127
Michael Chan16088272006-06-12 22:16:43 -07008128 if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
8129 (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
Michael Chan5ec6d7b2008-11-12 16:01:41 -08008130 (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
8131 !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008132 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008133 bp->wol = 0;
8134 }
Michael Chandda1e392006-01-23 16:08:14 -08008135
Michael Chanb6016b72005-05-26 13:03:09 -07008136 if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
8137 bp->tx_quick_cons_trip_int =
8138 bp->tx_quick_cons_trip;
8139 bp->tx_ticks_int = bp->tx_ticks;
8140 bp->rx_quick_cons_trip_int =
8141 bp->rx_quick_cons_trip;
8142 bp->rx_ticks_int = bp->rx_ticks;
8143 bp->comp_prod_trip_int = bp->comp_prod_trip;
8144 bp->com_ticks_int = bp->com_ticks;
8145 bp->cmd_ticks_int = bp->cmd_ticks;
8146 }
8147
Michael Chanf9317a42006-09-29 17:06:23 -07008148 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8149 *
8150 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8151 * with byte enables disabled on the unused 32-bit word. This is legal
8152 * but causes problems on the AMD 8132 which will eventually stop
8153 * responding after a while.
8154 *
8155 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008156 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008157 */
8158 if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
8159 struct pci_dev *amd_8132 = NULL;
8160
8161 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8162 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8163 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008164
Auke Kok44c10132007-06-08 15:46:36 -07008165 if (amd_8132->revision >= 0x10 &&
8166 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008167 disable_msi = 1;
8168 pci_dev_put(amd_8132);
8169 break;
8170 }
8171 }
8172 }
8173
Michael Chandeaf3912007-07-07 22:48:00 -07008174 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008175 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8176
Michael Chancd339a02005-08-25 15:35:24 -07008177 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008178 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008179 bp->timer.data = (unsigned long) bp;
8180 bp->timer.function = bnx2_timer;
8181
Michael Chan7625eb22011-06-08 19:29:36 +00008182#ifdef BCM_CNIC
8183 bp->cnic_eth_dev.max_iscsi_conn =
8184 bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN);
8185#endif
Michael Chanc239f272010-10-11 16:12:28 -07008186 pci_save_state(pdev);
8187
Michael Chanb6016b72005-05-26 13:03:09 -07008188 return 0;
8189
8190err_out_unmap:
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008191 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008192 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008193 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8194 }
Michael Chanc239f272010-10-11 16:12:28 -07008195
Michael Chanb6016b72005-05-26 13:03:09 -07008196 if (bp->regview) {
8197 iounmap(bp->regview);
Michael Chan73eef4c2005-08-25 15:39:15 -07008198 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008199 }
8200
8201err_out_release:
8202 pci_release_regions(pdev);
8203
8204err_out_disable:
8205 pci_disable_device(pdev);
8206 pci_set_drvdata(pdev, NULL);
8207
8208err_out:
8209 return rc;
8210}
8211
Michael Chan883e5152007-05-03 13:25:11 -07008212static char * __devinit
8213bnx2_bus_string(struct bnx2 *bp, char *str)
8214{
8215 char *s = str;
8216
David S. Millerf86e82f2008-01-21 17:15:40 -08008217 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008218 s += sprintf(s, "PCI Express");
8219 } else {
8220 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008221 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008222 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008223 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008224 s += sprintf(s, " 32-bit");
8225 else
8226 s += sprintf(s, " 64-bit");
8227 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8228 }
8229 return str;
8230}
8231
Michael Chanf048fa92010-06-01 15:05:36 +00008232static void
8233bnx2_del_napi(struct bnx2 *bp)
8234{
8235 int i;
8236
8237 for (i = 0; i < bp->irq_nvecs; i++)
8238 netif_napi_del(&bp->bnx2_napi[i].napi);
8239}
8240
8241static void
Michael Chan35efa7c2007-12-20 19:56:37 -08008242bnx2_init_napi(struct bnx2 *bp)
8243{
Michael Chanb4b36042007-12-20 19:59:30 -08008244 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008245
Benjamin Li4327ba42010-03-23 13:13:11 +00008246 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008247 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8248 int (*poll)(struct napi_struct *, int);
8249
8250 if (i == 0)
8251 poll = bnx2_poll;
8252 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008253 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008254
8255 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008256 bnapi->bp = bp;
8257 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008258}
8259
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008260static const struct net_device_ops bnx2_netdev_ops = {
8261 .ndo_open = bnx2_open,
8262 .ndo_start_xmit = bnx2_start_xmit,
8263 .ndo_stop = bnx2_close,
Eric Dumazet5d07bf22010-07-08 04:08:43 +00008264 .ndo_get_stats64 = bnx2_get_stats64,
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008265 .ndo_set_rx_mode = bnx2_set_rx_mode,
8266 .ndo_do_ioctl = bnx2_ioctl,
8267 .ndo_validate_addr = eth_validate_addr,
8268 .ndo_set_mac_address = bnx2_change_mac_addr,
8269 .ndo_change_mtu = bnx2_change_mtu,
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008270 .ndo_fix_features = bnx2_fix_features,
8271 .ndo_set_features = bnx2_set_features,
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008272 .ndo_tx_timeout = bnx2_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008273#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008274 .ndo_poll_controller = poll_bnx2,
8275#endif
8276};
8277
Michael Chan35efa7c2007-12-20 19:56:37 -08008278static int __devinit
Michael Chanb6016b72005-05-26 13:03:09 -07008279bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8280{
8281 static int version_printed = 0;
8282 struct net_device *dev = NULL;
8283 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008284 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008285 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008286
8287 if (version_printed++ == 0)
Joe Perches3a9c6a42010-02-17 15:01:51 +00008288 pr_info("%s", version);
Michael Chanb6016b72005-05-26 13:03:09 -07008289
8290 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008291 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008292
8293 if (!dev)
8294 return -ENOMEM;
8295
8296 rc = bnx2_init_board(pdev, dev);
8297 if (rc < 0) {
8298 free_netdev(dev);
8299 return rc;
8300 }
8301
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008302 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008303 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008304 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008305
Michael Chan972ec0d2006-01-23 16:12:43 -08008306 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008307
Michael Chan1b2f9222007-05-03 13:20:19 -07008308 pci_set_drvdata(pdev, dev);
8309
Michael Chan57579f72009-04-04 16:51:14 -07008310 rc = bnx2_request_firmware(bp);
8311 if (rc)
8312 goto error;
8313
Michael Chan1b2f9222007-05-03 13:20:19 -07008314 memcpy(dev->dev_addr, bp->mac_addr, 6);
8315 memcpy(dev->perm_addr, bp->mac_addr, 6);
Michael Chan1b2f9222007-05-03 13:20:19 -07008316
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008317 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
8318 NETIF_F_TSO | NETIF_F_TSO_ECN |
8319 NETIF_F_RXHASH | NETIF_F_RXCSUM;
8320
8321 if (CHIP_NUM(bp) == CHIP_NUM_5709)
8322 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
8323
8324 dev->vlan_features = dev->hw_features;
8325 dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
8326 dev->features |= dev->hw_features;
8327
Michael Chanb6016b72005-05-26 13:03:09 -07008328 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008329 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008330 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008331 }
8332
Joe Perches3a9c6a42010-02-17 15:01:51 +00008333 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n",
8334 board_info[ent->driver_data].name,
8335 ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8336 ((CHIP_ID(bp) & 0x0ff0) >> 4),
8337 bnx2_bus_string(bp, str),
8338 dev->base_addr,
8339 bp->pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008340
Michael Chanb6016b72005-05-26 13:03:09 -07008341 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008342
8343error:
8344 if (bp->mips_firmware)
8345 release_firmware(bp->mips_firmware);
8346 if (bp->rv2p_firmware)
8347 release_firmware(bp->rv2p_firmware);
8348
8349 if (bp->regview)
8350 iounmap(bp->regview);
8351 pci_release_regions(pdev);
8352 pci_disable_device(pdev);
8353 pci_set_drvdata(pdev, NULL);
8354 free_netdev(dev);
8355 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008356}
8357
8358static void __devexit
8359bnx2_remove_one(struct pci_dev *pdev)
8360{
8361 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008362 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008363
8364 unregister_netdev(dev);
8365
Neil Horman8333a462011-04-26 10:30:11 +00008366 del_timer_sync(&bp->timer);
8367
Michael Chan57579f72009-04-04 16:51:14 -07008368 if (bp->mips_firmware)
8369 release_firmware(bp->mips_firmware);
8370 if (bp->rv2p_firmware)
8371 release_firmware(bp->rv2p_firmware);
8372
Michael Chanb6016b72005-05-26 13:03:09 -07008373 if (bp->regview)
8374 iounmap(bp->regview);
8375
Michael Chan354fcd72010-01-17 07:30:44 +00008376 kfree(bp->temp_stats_blk);
8377
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008378 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008379 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008380 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8381 }
John Feeneycd709aa2010-08-22 17:45:53 +00008382
Michael Chanc239f272010-10-11 16:12:28 -07008383 free_netdev(dev);
John Feeneycd709aa2010-08-22 17:45:53 +00008384
Michael Chanb6016b72005-05-26 13:03:09 -07008385 pci_release_regions(pdev);
8386 pci_disable_device(pdev);
8387 pci_set_drvdata(pdev, NULL);
8388}
8389
8390static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07008391bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07008392{
8393 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008394 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008395
Michael Chan6caebb022007-08-03 20:57:25 -07008396 /* PCI register 4 needs to be saved whether netif_running() or not.
8397 * MSI address and data need to be saved if using MSI and
8398 * netif_running().
8399 */
8400 pci_save_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008401 if (!netif_running(dev))
8402 return 0;
8403
Tejun Heo23f333a2010-12-12 16:45:14 +01008404 cancel_work_sync(&bp->reset_task);
Michael Chan212f9932010-04-27 11:28:10 +00008405 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008406 netif_device_detach(dev);
8407 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07008408 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008409 bnx2_free_skbs(bp);
Pavel Machek829ca9a2005-09-03 15:56:56 -07008410 bnx2_set_power_state(bp, pci_choose_state(pdev, state));
Michael Chanb6016b72005-05-26 13:03:09 -07008411 return 0;
8412}
8413
8414static int
8415bnx2_resume(struct pci_dev *pdev)
8416{
8417 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008418 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008419
Michael Chan6caebb022007-08-03 20:57:25 -07008420 pci_restore_state(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008421 if (!netif_running(dev))
8422 return 0;
8423
Pavel Machek829ca9a2005-09-03 15:56:56 -07008424 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008425 netif_device_attach(dev);
Michael Chan9a120bc2008-05-16 22:17:45 -07008426 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00008427 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008428 return 0;
8429}
8430
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008431/**
8432 * bnx2_io_error_detected - called when PCI error is detected
8433 * @pdev: Pointer to PCI device
8434 * @state: The current pci connection state
8435 *
8436 * This function is called after a PCI bus error affecting
8437 * this device has been detected.
8438 */
8439static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8440 pci_channel_state_t state)
8441{
8442 struct net_device *dev = pci_get_drvdata(pdev);
8443 struct bnx2 *bp = netdev_priv(dev);
8444
8445 rtnl_lock();
8446 netif_device_detach(dev);
8447
Dean Nelson2ec3de22009-07-31 09:13:18 +00008448 if (state == pci_channel_io_perm_failure) {
8449 rtnl_unlock();
8450 return PCI_ERS_RESULT_DISCONNECT;
8451 }
8452
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008453 if (netif_running(dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00008454 bnx2_netif_stop(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008455 del_timer_sync(&bp->timer);
8456 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8457 }
8458
8459 pci_disable_device(pdev);
8460 rtnl_unlock();
8461
8462 /* Request a slot slot reset. */
8463 return PCI_ERS_RESULT_NEED_RESET;
8464}
8465
8466/**
8467 * bnx2_io_slot_reset - called after the pci bus has been reset.
8468 * @pdev: Pointer to PCI device
8469 *
8470 * Restart the card from scratch, as if from a cold-boot.
8471 */
8472static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8473{
8474 struct net_device *dev = pci_get_drvdata(pdev);
8475 struct bnx2 *bp = netdev_priv(dev);
John Feeneycd709aa2010-08-22 17:45:53 +00008476 pci_ers_result_t result;
8477 int err;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008478
8479 rtnl_lock();
8480 if (pci_enable_device(pdev)) {
8481 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008482 "Cannot re-enable PCI device after reset\n");
John Feeneycd709aa2010-08-22 17:45:53 +00008483 result = PCI_ERS_RESULT_DISCONNECT;
8484 } else {
8485 pci_set_master(pdev);
8486 pci_restore_state(pdev);
8487 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008488
John Feeneycd709aa2010-08-22 17:45:53 +00008489 if (netif_running(dev)) {
8490 bnx2_set_power_state(bp, PCI_D0);
8491 bnx2_init_nic(bp, 1);
8492 }
8493 result = PCI_ERS_RESULT_RECOVERED;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008494 }
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008495 rtnl_unlock();
John Feeneycd709aa2010-08-22 17:45:53 +00008496
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008497 if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
Michael Chanc239f272010-10-11 16:12:28 -07008498 return result;
8499
John Feeneycd709aa2010-08-22 17:45:53 +00008500 err = pci_cleanup_aer_uncorrect_error_status(pdev);
8501 if (err) {
8502 dev_err(&pdev->dev,
8503 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
8504 err); /* non-fatal, continue */
8505 }
8506
8507 return result;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008508}
8509
8510/**
8511 * bnx2_io_resume - called when traffic can start flowing again.
8512 * @pdev: Pointer to PCI device
8513 *
8514 * This callback is called when the error recovery driver tells us that
8515 * its OK to resume normal operation.
8516 */
8517static void bnx2_io_resume(struct pci_dev *pdev)
8518{
8519 struct net_device *dev = pci_get_drvdata(pdev);
8520 struct bnx2 *bp = netdev_priv(dev);
8521
8522 rtnl_lock();
8523 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00008524 bnx2_netif_start(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008525
8526 netif_device_attach(dev);
8527 rtnl_unlock();
8528}
8529
8530static struct pci_error_handlers bnx2_err_handler = {
8531 .error_detected = bnx2_io_error_detected,
8532 .slot_reset = bnx2_io_slot_reset,
8533 .resume = bnx2_io_resume,
8534};
8535
Michael Chanb6016b72005-05-26 13:03:09 -07008536static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008537 .name = DRV_MODULE_NAME,
8538 .id_table = bnx2_pci_tbl,
8539 .probe = bnx2_init_one,
8540 .remove = __devexit_p(bnx2_remove_one),
8541 .suspend = bnx2_suspend,
8542 .resume = bnx2_resume,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008543 .err_handler = &bnx2_err_handler,
Michael Chanb6016b72005-05-26 13:03:09 -07008544};
8545
8546static int __init bnx2_init(void)
8547{
Jeff Garzik29917622006-08-19 17:48:59 -04008548 return pci_register_driver(&bnx2_pci_driver);
Michael Chanb6016b72005-05-26 13:03:09 -07008549}
8550
8551static void __exit bnx2_cleanup(void)
8552{
8553 pci_unregister_driver(&bnx2_pci_driver);
8554}
8555
8556module_init(bnx2_init);
8557module_exit(bnx2_cleanup);
8558
8559
8560