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Michael Chanb6016b72005-05-26 13:03:09 -07001/* bnx2.c: Broadcom NX2 network driver.
2 *
Michael Chan8a56d242013-08-06 15:50:12 -07003 * Copyright (c) 2004-2013 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
Michael Chan555069d2012-06-16 15:45:41 +000017#include <linux/stringify.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080018#include <linux/kernel.h>
19#include <linux/timer.h>
20#include <linux/errno.h>
21#include <linux/ioport.h>
22#include <linux/slab.h>
23#include <linux/vmalloc.h>
24#include <linux/interrupt.h>
25#include <linux/pci.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080026#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>
Jiri Pirko01789342011-08-16 06:29:00 +000039#include <linux/if.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080040#include <linux/if_vlan.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080041#include <net/ip.h>
Linus Torvaldsde081fa2007-07-12 16:40:08 -070042#include <net/tcp.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080043#include <net/checksum.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080044#include <linux/workqueue.h>
45#include <linux/crc32.h>
46#include <linux/prefetch.h>
Michael Chan29b12172006-03-23 01:13:43 -080047#include <linux/cache.h>
Michael Chan57579f72009-04-04 16:51:14 -070048#include <linux/firmware.h>
Benjamin Li706bf242008-07-18 17:55:11 -070049#include <linux/log2.h>
John Feeneycd709aa2010-08-22 17:45:53 +000050#include <linux/aer.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080051
Michael Chan4edd4732009-06-08 18:14:42 -070052#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
53#define BCM_CNIC 1
54#include "cnic_if.h"
55#endif
Michael Chanb6016b72005-05-26 13:03:09 -070056#include "bnx2.h"
57#include "bnx2_fw.h"
Denys Vlasenkob3448b02007-09-30 17:55:51 -070058
Michael Chanb6016b72005-05-26 13:03:09 -070059#define DRV_MODULE_NAME "bnx2"
Michael Chan487d9ed2013-12-31 23:22:35 -080060#define DRV_MODULE_VERSION "2.2.5"
61#define DRV_MODULE_RELDATE "December 20, 2013"
Michael Chanc2c20ef2011-12-18 18:15:09 +000062#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.3.fw"
Michael Chan22fa1592010-10-11 16:12:00 -070063#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
Michael Chanc2c20ef2011-12-18 18:15:09 +000064#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1b.fw"
Michael Chan22fa1592010-10-11 16:12:00 -070065#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
66#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
Michael Chanb6016b72005-05-26 13:03:09 -070067
68#define RUN_AT(x) (jiffies + (x))
69
70/* Time in jiffies before concluding the transmitter is hung. */
71#define TX_TIMEOUT (5*HZ)
72
Bill Pembertoncfd95a62012-12-03 09:22:58 -050073static char version[] =
Michael Chanb6016b72005-05-26 13:03:09 -070074 "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
75
76MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
Benjamin Li453a9c62008-09-18 16:39:16 -070077MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070078MODULE_LICENSE("GPL");
79MODULE_VERSION(DRV_MODULE_VERSION);
Michael Chan57579f72009-04-04 16:51:14 -070080MODULE_FIRMWARE(FW_MIPS_FILE_06);
81MODULE_FIRMWARE(FW_RV2P_FILE_06);
82MODULE_FIRMWARE(FW_MIPS_FILE_09);
83MODULE_FIRMWARE(FW_RV2P_FILE_09);
Michael Chan078b0732009-08-29 00:02:46 -070084MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
Michael Chanb6016b72005-05-26 13:03:09 -070085
86static int disable_msi = 0;
87
James M Leddy1c8bb762014-02-04 15:10:59 -050088module_param(disable_msi, int, S_IRUGO);
Michael Chanb6016b72005-05-26 13:03:09 -070089MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
90
91typedef enum {
92 BCM5706 = 0,
93 NC370T,
94 NC370I,
95 BCM5706S,
96 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080097 BCM5708,
98 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -080099 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -0700100 BCM5709S,
Michael Chan7bb0a042008-07-14 22:37:47 -0700101 BCM5716,
Michael Chan1caacec2008-11-12 16:01:12 -0800102 BCM5716S,
Michael Chanb6016b72005-05-26 13:03:09 -0700103} board_t;
104
105/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -0800106static struct {
Michael Chanb6016b72005-05-26 13:03:09 -0700107 char *name;
Bill Pembertoncfd95a62012-12-03 09:22:58 -0500108} board_info[] = {
Michael Chanb6016b72005-05-26 13:03:09 -0700109 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
110 { "HP NC370T Multifunction Gigabit Server Adapter" },
111 { "HP NC370i Multifunction Gigabit Server Adapter" },
112 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
113 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800114 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
115 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800116 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700117 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chan7bb0a042008-07-14 22:37:47 -0700118 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
Michael Chan1caacec2008-11-12 16:01:12 -0800119 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700120 };
121
Michael Chan7bb0a042008-07-14 22:37:47 -0700122static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
Michael Chanb6016b72005-05-26 13:03:09 -0700123 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
124 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
125 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
126 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
127 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
128 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800129 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
130 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700131 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
132 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
133 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
134 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800135 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
136 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800137 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
138 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700139 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
140 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chan7bb0a042008-07-14 22:37:47 -0700141 { PCI_VENDOR_ID_BROADCOM, 0x163b,
142 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
Michael Chan1caacec2008-11-12 16:01:12 -0800143 { PCI_VENDOR_ID_BROADCOM, 0x163c,
Michael Chan1f2435e2008-12-16 20:28:13 -0800144 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
Michael Chanb6016b72005-05-26 13:03:09 -0700145 { 0, }
146};
147
Michael Chan0ced9d02009-08-21 16:20:49 +0000148static const struct flash_spec flash_table[] =
Michael Chanb6016b72005-05-26 13:03:09 -0700149{
Michael Chane30372c2007-07-16 18:26:23 -0700150#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
151#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700152 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800153 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700154 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700155 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
156 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800157 /* Expansion entry 0001 */
158 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700159 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800160 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
161 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700162 /* Saifun SA25F010 (non-buffered flash) */
163 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800164 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700165 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700166 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
167 "Non-buffered flash (128kB)"},
168 /* Saifun SA25F020 (non-buffered flash) */
169 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800170 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700171 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700172 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
173 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800174 /* Expansion entry 0100 */
175 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700176 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800177 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
178 "Entry 0100"},
179 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400180 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700181 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800182 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
183 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
184 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
185 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700186 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800187 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
188 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
189 /* Saifun SA25F005 (non-buffered flash) */
190 /* strap, cfg1, & write1 need updates */
191 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700192 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800193 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
194 "Non-buffered flash (64kB)"},
195 /* Fast EEPROM */
196 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700197 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800198 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
199 "EEPROM - fast"},
200 /* Expansion entry 1001 */
201 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700202 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800203 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
204 "Entry 1001"},
205 /* Expansion entry 1010 */
206 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700207 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800208 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
209 "Entry 1010"},
210 /* ATMEL AT45DB011B (buffered flash) */
211 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700212 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800213 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
214 "Buffered flash (128kB)"},
215 /* Expansion entry 1100 */
216 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700217 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800218 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
219 "Entry 1100"},
220 /* Expansion entry 1101 */
221 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700222 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800223 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
224 "Entry 1101"},
225 /* Ateml Expansion entry 1110 */
226 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700227 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800228 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
229 "Entry 1110 (Atmel)"},
230 /* ATMEL AT45DB021B (buffered flash) */
231 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700232 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800233 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
234 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700235};
236
Michael Chan0ced9d02009-08-21 16:20:49 +0000237static const struct flash_spec flash_5709 = {
Michael Chane30372c2007-07-16 18:26:23 -0700238 .flags = BNX2_NV_BUFFERED,
239 .page_bits = BCM5709_FLASH_PAGE_BITS,
240 .page_size = BCM5709_FLASH_PAGE_SIZE,
241 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
242 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
243 .name = "5709 Buffered flash (256kB)",
244};
245
Michael Chanb6016b72005-05-26 13:03:09 -0700246MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
247
Benjamin Li4327ba42010-03-23 13:13:11 +0000248static void bnx2_init_napi(struct bnx2 *bp);
Michael Chanf048fa92010-06-01 15:05:36 +0000249static void bnx2_del_napi(struct bnx2 *bp);
Benjamin Li4327ba42010-03-23 13:13:11 +0000250
Michael Chan35e90102008-06-19 16:37:42 -0700251static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
Michael Chane89bbf12005-08-25 15:36:58 -0700252{
Michael Chan2f8af122006-08-15 01:39:10 -0700253 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700254
Michael Chan11848b962010-07-19 14:15:04 +0000255 /* Tell compiler to fetch tx_prod and tx_cons from memory. */
256 barrier();
Michael Chanfaac9c42006-12-14 15:56:32 -0800257
258 /* The ring uses 256 indices for 255 entries, one of them
259 * needs to be skipped.
260 */
Michael Chan35e90102008-06-19 16:37:42 -0700261 diff = txr->tx_prod - txr->tx_cons;
Michael Chan2bc40782012-12-06 10:33:09 +0000262 if (unlikely(diff >= BNX2_TX_DESC_CNT)) {
Michael Chanfaac9c42006-12-14 15:56:32 -0800263 diff &= 0xffff;
Michael Chan2bc40782012-12-06 10:33:09 +0000264 if (diff == BNX2_TX_DESC_CNT)
265 diff = BNX2_MAX_TX_DESC_CNT;
Michael Chanfaac9c42006-12-14 15:56:32 -0800266 }
Eric Dumazet807540b2010-09-23 05:40:09 +0000267 return bp->tx_ring_size - diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700268}
269
Michael Chanb6016b72005-05-26 13:03:09 -0700270static u32
271bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
272{
Michael Chan1b8227c2007-05-03 13:24:05 -0700273 u32 val;
274
275 spin_lock_bh(&bp->indirect_lock);
Michael Chane503e062012-12-06 10:33:08 +0000276 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
277 val = BNX2_RD(bp, BNX2_PCICFG_REG_WINDOW);
Michael Chan1b8227c2007-05-03 13:24:05 -0700278 spin_unlock_bh(&bp->indirect_lock);
279 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700280}
281
282static void
283bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
284{
Michael Chan1b8227c2007-05-03 13:24:05 -0700285 spin_lock_bh(&bp->indirect_lock);
Michael Chane503e062012-12-06 10:33:08 +0000286 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
287 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700288 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700289}
290
291static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800292bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
293{
294 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
295}
296
297static u32
298bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
299{
Eric Dumazet807540b2010-09-23 05:40:09 +0000300 return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
Michael Chan2726d6e2008-01-29 21:35:05 -0800301}
302
303static void
Michael Chanb6016b72005-05-26 13:03:09 -0700304bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
305{
306 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700307 spin_lock_bh(&bp->indirect_lock);
Michael Chan4ce45e02012-12-06 10:33:10 +0000308 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan59b47d82006-11-19 14:10:45 -0800309 int i;
310
Michael Chane503e062012-12-06 10:33:08 +0000311 BNX2_WR(bp, BNX2_CTX_CTX_DATA, val);
312 BNX2_WR(bp, BNX2_CTX_CTX_CTRL,
313 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
Michael Chan59b47d82006-11-19 14:10:45 -0800314 for (i = 0; i < 5; i++) {
Michael Chane503e062012-12-06 10:33:08 +0000315 val = BNX2_RD(bp, BNX2_CTX_CTX_CTRL);
Michael Chan59b47d82006-11-19 14:10:45 -0800316 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
317 break;
318 udelay(5);
319 }
320 } else {
Michael Chane503e062012-12-06 10:33:08 +0000321 BNX2_WR(bp, BNX2_CTX_DATA_ADR, offset);
322 BNX2_WR(bp, BNX2_CTX_DATA, val);
Michael Chan59b47d82006-11-19 14:10:45 -0800323 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700324 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700325}
326
Michael Chan4edd4732009-06-08 18:14:42 -0700327#ifdef BCM_CNIC
328static int
329bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
330{
331 struct bnx2 *bp = netdev_priv(dev);
332 struct drv_ctl_io *io = &info->data.io;
333
334 switch (info->cmd) {
335 case DRV_CTL_IO_WR_CMD:
336 bnx2_reg_wr_ind(bp, io->offset, io->data);
337 break;
338 case DRV_CTL_IO_RD_CMD:
339 io->data = bnx2_reg_rd_ind(bp, io->offset);
340 break;
341 case DRV_CTL_CTX_WR_CMD:
342 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
343 break;
344 default:
345 return -EINVAL;
346 }
347 return 0;
348}
349
350static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
351{
352 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
353 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
354 int sb_id;
355
356 if (bp->flags & BNX2_FLAG_USING_MSIX) {
357 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
358 bnapi->cnic_present = 0;
359 sb_id = bp->irq_nvecs;
360 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
361 } else {
362 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
363 bnapi->cnic_tag = bnapi->last_status_idx;
364 bnapi->cnic_present = 1;
365 sb_id = 0;
366 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
367 }
368
369 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
370 cp->irq_arr[0].status_blk = (void *)
371 ((unsigned long) bnapi->status_blk.msi +
372 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
373 cp->irq_arr[0].status_blk_num = sb_id;
374 cp->num_irq = 1;
375}
376
377static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
378 void *data)
379{
380 struct bnx2 *bp = netdev_priv(dev);
381 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
382
383 if (ops == NULL)
384 return -EINVAL;
385
386 if (cp->drv_state & CNIC_DRV_STATE_REGD)
387 return -EBUSY;
388
Michael Chan41c21782011-07-13 17:24:22 +0000389 if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN))
390 return -ENODEV;
391
Michael Chan4edd4732009-06-08 18:14:42 -0700392 bp->cnic_data = data;
393 rcu_assign_pointer(bp->cnic_ops, ops);
394
395 cp->num_irq = 0;
396 cp->drv_state = CNIC_DRV_STATE_REGD;
397
398 bnx2_setup_cnic_irq_info(bp);
399
400 return 0;
401}
402
403static int bnx2_unregister_cnic(struct net_device *dev)
404{
405 struct bnx2 *bp = netdev_priv(dev);
406 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
407 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
408
Michael Chanc5a88952009-08-14 15:49:45 +0000409 mutex_lock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700410 cp->drv_state = 0;
411 bnapi->cnic_present = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +0000412 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chanc5a88952009-08-14 15:49:45 +0000413 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700414 synchronize_rcu();
415 return 0;
416}
417
stephen hemminger61c2fc42013-04-10 10:53:40 +0000418static struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
Michael Chan4edd4732009-06-08 18:14:42 -0700419{
420 struct bnx2 *bp = netdev_priv(dev);
421 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
422
Michael Chan7625eb22011-06-08 19:29:36 +0000423 if (!cp->max_iscsi_conn)
424 return NULL;
425
Michael Chan4edd4732009-06-08 18:14:42 -0700426 cp->drv_owner = THIS_MODULE;
427 cp->chip_id = bp->chip_id;
428 cp->pdev = bp->pdev;
429 cp->io_base = bp->regview;
430 cp->drv_ctl = bnx2_drv_ctl;
431 cp->drv_register_cnic = bnx2_register_cnic;
432 cp->drv_unregister_cnic = bnx2_unregister_cnic;
433
434 return cp;
435}
Michael Chan4edd4732009-06-08 18:14:42 -0700436
437static void
438bnx2_cnic_stop(struct bnx2 *bp)
439{
440 struct cnic_ops *c_ops;
441 struct cnic_ctl_info info;
442
Michael Chanc5a88952009-08-14 15:49:45 +0000443 mutex_lock(&bp->cnic_lock);
Eric Dumazet13707f92011-01-26 19:28:23 +0000444 c_ops = rcu_dereference_protected(bp->cnic_ops,
445 lockdep_is_held(&bp->cnic_lock));
Michael Chan4edd4732009-06-08 18:14:42 -0700446 if (c_ops) {
447 info.cmd = CNIC_CTL_STOP_CMD;
448 c_ops->cnic_ctl(bp->cnic_data, &info);
449 }
Michael Chanc5a88952009-08-14 15:49:45 +0000450 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700451}
452
453static void
454bnx2_cnic_start(struct bnx2 *bp)
455{
456 struct cnic_ops *c_ops;
457 struct cnic_ctl_info info;
458
Michael Chanc5a88952009-08-14 15:49:45 +0000459 mutex_lock(&bp->cnic_lock);
Eric Dumazet13707f92011-01-26 19:28:23 +0000460 c_ops = rcu_dereference_protected(bp->cnic_ops,
461 lockdep_is_held(&bp->cnic_lock));
Michael Chan4edd4732009-06-08 18:14:42 -0700462 if (c_ops) {
463 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
464 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
465
466 bnapi->cnic_tag = bnapi->last_status_idx;
467 }
468 info.cmd = CNIC_CTL_START_CMD;
469 c_ops->cnic_ctl(bp->cnic_data, &info);
470 }
Michael Chanc5a88952009-08-14 15:49:45 +0000471 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700472}
473
474#else
475
476static void
477bnx2_cnic_stop(struct bnx2 *bp)
478{
479}
480
481static void
482bnx2_cnic_start(struct bnx2 *bp)
483{
484}
485
486#endif
487
Michael Chanb6016b72005-05-26 13:03:09 -0700488static int
489bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
490{
491 u32 val1;
492 int i, ret;
493
Michael Chan583c28e2008-01-21 19:51:35 -0800494 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000495 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700496 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
497
Michael Chane503e062012-12-06 10:33:08 +0000498 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
499 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700500
501 udelay(40);
502 }
503
504 val1 = (bp->phy_addr << 21) | (reg << 16) |
505 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
506 BNX2_EMAC_MDIO_COMM_START_BUSY;
Michael Chane503e062012-12-06 10:33:08 +0000507 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Michael Chanb6016b72005-05-26 13:03:09 -0700508
509 for (i = 0; i < 50; i++) {
510 udelay(10);
511
Michael Chane503e062012-12-06 10:33:08 +0000512 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
Michael Chanb6016b72005-05-26 13:03:09 -0700513 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
514 udelay(5);
515
Michael Chane503e062012-12-06 10:33:08 +0000516 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
Michael Chanb6016b72005-05-26 13:03:09 -0700517 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
518
519 break;
520 }
521 }
522
523 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
524 *val = 0x0;
525 ret = -EBUSY;
526 }
527 else {
528 *val = val1;
529 ret = 0;
530 }
531
Michael Chan583c28e2008-01-21 19:51:35 -0800532 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000533 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700534 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
535
Michael Chane503e062012-12-06 10:33:08 +0000536 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
537 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700538
539 udelay(40);
540 }
541
542 return ret;
543}
544
545static int
546bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
547{
548 u32 val1;
549 int i, ret;
550
Michael Chan583c28e2008-01-21 19:51:35 -0800551 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000552 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700553 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
554
Michael Chane503e062012-12-06 10:33:08 +0000555 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
556 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700557
558 udelay(40);
559 }
560
561 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
562 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
563 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
Michael Chane503e062012-12-06 10:33:08 +0000564 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400565
Michael Chanb6016b72005-05-26 13:03:09 -0700566 for (i = 0; i < 50; i++) {
567 udelay(10);
568
Michael Chane503e062012-12-06 10:33:08 +0000569 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
Michael Chanb6016b72005-05-26 13:03:09 -0700570 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
571 udelay(5);
572 break;
573 }
574 }
575
576 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
577 ret = -EBUSY;
578 else
579 ret = 0;
580
Michael Chan583c28e2008-01-21 19:51:35 -0800581 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000582 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700583 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
584
Michael Chane503e062012-12-06 10:33:08 +0000585 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
586 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700587
588 udelay(40);
589 }
590
591 return ret;
592}
593
594static void
595bnx2_disable_int(struct bnx2 *bp)
596{
Michael Chanb4b36042007-12-20 19:59:30 -0800597 int i;
598 struct bnx2_napi *bnapi;
599
600 for (i = 0; i < bp->irq_nvecs; i++) {
601 bnapi = &bp->bnx2_napi[i];
Michael Chane503e062012-12-06 10:33:08 +0000602 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
Michael Chanb4b36042007-12-20 19:59:30 -0800603 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
604 }
Michael Chane503e062012-12-06 10:33:08 +0000605 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
Michael Chanb6016b72005-05-26 13:03:09 -0700606}
607
608static void
609bnx2_enable_int(struct bnx2 *bp)
610{
Michael Chanb4b36042007-12-20 19:59:30 -0800611 int i;
612 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800613
Michael Chanb4b36042007-12-20 19:59:30 -0800614 for (i = 0; i < bp->irq_nvecs; i++) {
615 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800616
Michael Chane503e062012-12-06 10:33:08 +0000617 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
618 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
619 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
620 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700621
Michael Chane503e062012-12-06 10:33:08 +0000622 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
623 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
624 bnapi->last_status_idx);
Michael Chanb4b36042007-12-20 19:59:30 -0800625 }
Michael Chane503e062012-12-06 10:33:08 +0000626 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700627}
628
629static void
630bnx2_disable_int_sync(struct bnx2 *bp)
631{
Michael Chanb4b36042007-12-20 19:59:30 -0800632 int i;
633
Michael Chanb6016b72005-05-26 13:03:09 -0700634 atomic_inc(&bp->intr_sem);
Michael Chan37675462009-08-21 16:20:44 +0000635 if (!netif_running(bp->dev))
636 return;
637
Michael Chanb6016b72005-05-26 13:03:09 -0700638 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800639 for (i = 0; i < bp->irq_nvecs; i++)
640 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700641}
642
643static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800644bnx2_napi_disable(struct bnx2 *bp)
645{
Michael Chanb4b36042007-12-20 19:59:30 -0800646 int i;
647
648 for (i = 0; i < bp->irq_nvecs; i++)
649 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800650}
651
652static void
653bnx2_napi_enable(struct bnx2 *bp)
654{
Michael Chanb4b36042007-12-20 19:59:30 -0800655 int i;
656
657 for (i = 0; i < bp->irq_nvecs; i++)
658 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800659}
660
661static void
Michael Chan212f9932010-04-27 11:28:10 +0000662bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700663{
Michael Chan212f9932010-04-27 11:28:10 +0000664 if (stop_cnic)
665 bnx2_cnic_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700666 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800667 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700668 netif_tx_disable(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -0700669 }
Michael Chanb7466562009-12-20 18:40:18 -0800670 bnx2_disable_int_sync(bp);
Michael Chana0ba6762010-05-17 17:34:43 -0700671 netif_carrier_off(bp->dev); /* prevent tx timeout */
Michael Chanb6016b72005-05-26 13:03:09 -0700672}
673
674static void
Michael Chan212f9932010-04-27 11:28:10 +0000675bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700676{
677 if (atomic_dec_and_test(&bp->intr_sem)) {
678 if (netif_running(bp->dev)) {
Benjamin Li706bf242008-07-18 17:55:11 -0700679 netif_tx_wake_all_queues(bp->dev);
Michael Chana0ba6762010-05-17 17:34:43 -0700680 spin_lock_bh(&bp->phy_lock);
681 if (bp->link_up)
682 netif_carrier_on(bp->dev);
683 spin_unlock_bh(&bp->phy_lock);
Michael Chan35efa7c2007-12-20 19:56:37 -0800684 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700685 bnx2_enable_int(bp);
Michael Chan212f9932010-04-27 11:28:10 +0000686 if (start_cnic)
687 bnx2_cnic_start(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700688 }
689 }
690}
691
692static void
Michael Chan35e90102008-06-19 16:37:42 -0700693bnx2_free_tx_mem(struct bnx2 *bp)
694{
695 int i;
696
697 for (i = 0; i < bp->num_tx_rings; i++) {
698 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
699 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
700
701 if (txr->tx_desc_ring) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000702 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
703 txr->tx_desc_ring,
704 txr->tx_desc_mapping);
Michael Chan35e90102008-06-19 16:37:42 -0700705 txr->tx_desc_ring = NULL;
706 }
707 kfree(txr->tx_buf_ring);
708 txr->tx_buf_ring = NULL;
709 }
710}
711
Michael Chanbb4f98a2008-06-19 16:38:19 -0700712static void
713bnx2_free_rx_mem(struct bnx2 *bp)
714{
715 int i;
716
717 for (i = 0; i < bp->num_rx_rings; i++) {
718 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
719 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
720 int j;
721
722 for (j = 0; j < bp->rx_max_ring; j++) {
723 if (rxr->rx_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000724 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
725 rxr->rx_desc_ring[j],
726 rxr->rx_desc_mapping[j]);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700727 rxr->rx_desc_ring[j] = NULL;
728 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000729 vfree(rxr->rx_buf_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700730 rxr->rx_buf_ring = NULL;
731
732 for (j = 0; j < bp->rx_max_pg_ring; j++) {
733 if (rxr->rx_pg_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000734 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
735 rxr->rx_pg_desc_ring[j],
736 rxr->rx_pg_desc_mapping[j]);
Michael Chan3298a732008-12-17 19:06:08 -0800737 rxr->rx_pg_desc_ring[j] = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -0700738 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000739 vfree(rxr->rx_pg_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700740 rxr->rx_pg_ring = NULL;
741 }
742}
743
Michael Chan35e90102008-06-19 16:37:42 -0700744static int
745bnx2_alloc_tx_mem(struct bnx2 *bp)
746{
747 int i;
748
749 for (i = 0; i < bp->num_tx_rings; i++) {
750 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
751 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
752
753 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
754 if (txr->tx_buf_ring == NULL)
755 return -ENOMEM;
756
757 txr->tx_desc_ring =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000758 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
759 &txr->tx_desc_mapping, GFP_KERNEL);
Michael Chan35e90102008-06-19 16:37:42 -0700760 if (txr->tx_desc_ring == NULL)
761 return -ENOMEM;
762 }
763 return 0;
764}
765
Michael Chanbb4f98a2008-06-19 16:38:19 -0700766static int
767bnx2_alloc_rx_mem(struct bnx2 *bp)
768{
769 int i;
770
771 for (i = 0; i < bp->num_rx_rings; i++) {
772 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
773 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
774 int j;
775
776 rxr->rx_buf_ring =
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000777 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700778 if (rxr->rx_buf_ring == NULL)
779 return -ENOMEM;
780
Michael Chanbb4f98a2008-06-19 16:38:19 -0700781 for (j = 0; j < bp->rx_max_ring; j++) {
782 rxr->rx_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000783 dma_alloc_coherent(&bp->pdev->dev,
784 RXBD_RING_SIZE,
785 &rxr->rx_desc_mapping[j],
786 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700787 if (rxr->rx_desc_ring[j] == NULL)
788 return -ENOMEM;
789
790 }
791
792 if (bp->rx_pg_ring_size) {
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000793 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
Michael Chanbb4f98a2008-06-19 16:38:19 -0700794 bp->rx_max_pg_ring);
795 if (rxr->rx_pg_ring == NULL)
796 return -ENOMEM;
797
Michael Chanbb4f98a2008-06-19 16:38:19 -0700798 }
799
800 for (j = 0; j < bp->rx_max_pg_ring; j++) {
801 rxr->rx_pg_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000802 dma_alloc_coherent(&bp->pdev->dev,
803 RXBD_RING_SIZE,
804 &rxr->rx_pg_desc_mapping[j],
805 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700806 if (rxr->rx_pg_desc_ring[j] == NULL)
807 return -ENOMEM;
808
809 }
810 }
811 return 0;
812}
813
Michael Chan35e90102008-06-19 16:37:42 -0700814static void
Michael Chanb6016b72005-05-26 13:03:09 -0700815bnx2_free_mem(struct bnx2 *bp)
816{
Michael Chan13daffa2006-03-20 17:49:20 -0800817 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700818 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800819
Michael Chan35e90102008-06-19 16:37:42 -0700820 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700821 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700822
Michael Chan59b47d82006-11-19 14:10:45 -0800823 for (i = 0; i < bp->ctx_pages; i++) {
824 if (bp->ctx_blk[i]) {
Michael Chan2bc40782012-12-06 10:33:09 +0000825 dma_free_coherent(&bp->pdev->dev, BNX2_PAGE_SIZE,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000826 bp->ctx_blk[i],
827 bp->ctx_blk_mapping[i]);
Michael Chan59b47d82006-11-19 14:10:45 -0800828 bp->ctx_blk[i] = NULL;
829 }
830 }
Michael Chan43e80b82008-06-19 16:41:08 -0700831 if (bnapi->status_blk.msi) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000832 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
833 bnapi->status_blk.msi,
834 bp->status_blk_mapping);
Michael Chan43e80b82008-06-19 16:41:08 -0700835 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800836 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700837 }
Michael Chanb6016b72005-05-26 13:03:09 -0700838}
839
840static int
841bnx2_alloc_mem(struct bnx2 *bp)
842{
Michael Chan35e90102008-06-19 16:37:42 -0700843 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700844 struct bnx2_napi *bnapi;
845 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700846
Michael Chan0f31f992006-03-23 01:12:38 -0800847 /* Combine status and statistics blocks into one allocation. */
848 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800849 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800850 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
851 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800852 bp->status_stats_size = status_blk_size +
853 sizeof(struct statistics_block);
854
Joe Perchesede23fa2013-08-26 22:45:23 -0700855 status_blk = dma_zalloc_coherent(&bp->pdev->dev, bp->status_stats_size,
856 &bp->status_blk_mapping, GFP_KERNEL);
Michael Chan43e80b82008-06-19 16:41:08 -0700857 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700858 goto alloc_mem_err;
859
Michael Chan43e80b82008-06-19 16:41:08 -0700860 bnapi = &bp->bnx2_napi[0];
861 bnapi->status_blk.msi = status_blk;
862 bnapi->hw_tx_cons_ptr =
863 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
864 bnapi->hw_rx_cons_ptr =
865 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800866 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chan379b39a2010-07-19 14:15:03 +0000867 for (i = 1; i < bp->irq_nvecs; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700868 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800869
Michael Chan43e80b82008-06-19 16:41:08 -0700870 bnapi = &bp->bnx2_napi[i];
871
Joe Perches64699332012-06-04 12:44:16 +0000872 sblk = (status_blk + BNX2_SBLK_MSIX_ALIGN_SIZE * i);
Michael Chan43e80b82008-06-19 16:41:08 -0700873 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 Chan4ce45e02012-12-06 10:33:10 +0000886 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan2bc40782012-12-06 10:33:09 +0000887 bp->ctx_pages = 0x2000 / BNX2_PAGE_SIZE;
Michael Chan59b47d82006-11-19 14:10:45 -0800888 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 Chan2bc40782012-12-06 10:33:09 +0000892 BNX2_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 Chan4ce45e02012-12-06 10:33:10 +00001033 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001034 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 Chan4016bad2013-12-31 23:22:34 -08001199 bp->phy_flags &= ~BNX2_PHY_FLAG_MDIX;
1200
Michael Chanca58c3a2007-05-03 13:22:52 -07001201 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001202 if (bmcr & BMCR_ANENABLE) {
1203 u32 local_adv, remote_adv, common;
1204
1205 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1206 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1207
1208 common = local_adv & (remote_adv >> 2);
1209 if (common & ADVERTISE_1000FULL) {
1210 bp->line_speed = SPEED_1000;
1211 bp->duplex = DUPLEX_FULL;
1212 }
1213 else if (common & ADVERTISE_1000HALF) {
1214 bp->line_speed = SPEED_1000;
1215 bp->duplex = DUPLEX_HALF;
1216 }
1217 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001218 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1219 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001220
1221 common = local_adv & remote_adv;
1222 if (common & ADVERTISE_100FULL) {
1223 bp->line_speed = SPEED_100;
1224 bp->duplex = DUPLEX_FULL;
1225 }
1226 else if (common & ADVERTISE_100HALF) {
1227 bp->line_speed = SPEED_100;
1228 bp->duplex = DUPLEX_HALF;
1229 }
1230 else if (common & ADVERTISE_10FULL) {
1231 bp->line_speed = SPEED_10;
1232 bp->duplex = DUPLEX_FULL;
1233 }
1234 else if (common & ADVERTISE_10HALF) {
1235 bp->line_speed = SPEED_10;
1236 bp->duplex = DUPLEX_HALF;
1237 }
1238 else {
1239 bp->line_speed = 0;
1240 bp->link_up = 0;
1241 }
1242 }
1243 }
1244 else {
1245 if (bmcr & BMCR_SPEED100) {
1246 bp->line_speed = SPEED_100;
1247 }
1248 else {
1249 bp->line_speed = SPEED_10;
1250 }
1251 if (bmcr & BMCR_FULLDPLX) {
1252 bp->duplex = DUPLEX_FULL;
1253 }
1254 else {
1255 bp->duplex = DUPLEX_HALF;
1256 }
1257 }
1258
Michael Chan4016bad2013-12-31 23:22:34 -08001259 if (bp->link_up) {
1260 u32 ext_status;
1261
1262 bnx2_read_phy(bp, MII_BNX2_EXT_STATUS, &ext_status);
1263 if (ext_status & EXT_STATUS_MDIX)
1264 bp->phy_flags |= BNX2_PHY_FLAG_MDIX;
1265 }
1266
Michael Chanb6016b72005-05-26 13:03:09 -07001267 return 0;
1268}
1269
Michael Chan83e3fc82008-01-29 21:37:17 -08001270static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001271bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001272{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001273 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001274
1275 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1276 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1277 val |= 0x02 << 8;
1278
Michael Chan22fa1592010-10-11 16:12:00 -07001279 if (bp->flow_ctrl & FLOW_CTRL_TX)
1280 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
Michael Chan83e3fc82008-01-29 21:37:17 -08001281
Michael Chan83e3fc82008-01-29 21:37:17 -08001282 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1283}
1284
Michael Chanbb4f98a2008-06-19 16:38:19 -07001285static void
1286bnx2_init_all_rx_contexts(struct bnx2 *bp)
1287{
1288 int i;
1289 u32 cid;
1290
1291 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1292 if (i == 1)
1293 cid = RX_RSS_CID;
1294 bnx2_init_rx_context(bp, cid);
1295 }
1296}
1297
Benjamin Li344478d2008-09-18 16:38:24 -07001298static void
Michael Chanb6016b72005-05-26 13:03:09 -07001299bnx2_set_mac_link(struct bnx2 *bp)
1300{
1301 u32 val;
1302
Michael Chane503e062012-12-06 10:33:08 +00001303 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
Michael Chanb6016b72005-05-26 13:03:09 -07001304 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1305 (bp->duplex == DUPLEX_HALF)) {
Michael Chane503e062012-12-06 10:33:08 +00001306 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
Michael Chanb6016b72005-05-26 13:03:09 -07001307 }
1308
1309 /* Configure the EMAC mode register. */
Michael Chane503e062012-12-06 10:33:08 +00001310 val = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001311
1312 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001313 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001314 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001315
1316 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001317 switch (bp->line_speed) {
1318 case SPEED_10:
Michael Chan4ce45e02012-12-06 10:33:10 +00001319 if (BNX2_CHIP(bp) != BNX2_CHIP_5706) {
Michael Chan59b47d82006-11-19 14:10:45 -08001320 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001321 break;
1322 }
1323 /* fall through */
1324 case SPEED_100:
1325 val |= BNX2_EMAC_MODE_PORT_MII;
1326 break;
1327 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001328 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001329 /* fall through */
1330 case SPEED_1000:
1331 val |= BNX2_EMAC_MODE_PORT_GMII;
1332 break;
1333 }
Michael Chanb6016b72005-05-26 13:03:09 -07001334 }
1335 else {
1336 val |= BNX2_EMAC_MODE_PORT_GMII;
1337 }
1338
1339 /* Set the MAC to operate in the appropriate duplex mode. */
1340 if (bp->duplex == DUPLEX_HALF)
1341 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
Michael Chane503e062012-12-06 10:33:08 +00001342 BNX2_WR(bp, BNX2_EMAC_MODE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07001343
1344 /* Enable/disable rx PAUSE. */
1345 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1346
1347 if (bp->flow_ctrl & FLOW_CTRL_RX)
1348 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
Michael Chane503e062012-12-06 10:33:08 +00001349 BNX2_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
Michael Chanb6016b72005-05-26 13:03:09 -07001350
1351 /* Enable/disable tx PAUSE. */
Michael Chane503e062012-12-06 10:33:08 +00001352 val = BNX2_RD(bp, BNX2_EMAC_TX_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001353 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1354
1355 if (bp->flow_ctrl & FLOW_CTRL_TX)
1356 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
Michael Chane503e062012-12-06 10:33:08 +00001357 BNX2_WR(bp, BNX2_EMAC_TX_MODE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07001358
1359 /* Acknowledge the interrupt. */
Michael Chane503e062012-12-06 10:33:08 +00001360 BNX2_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
Michael Chanb6016b72005-05-26 13:03:09 -07001361
Michael Chan22fa1592010-10-11 16:12:00 -07001362 bnx2_init_all_rx_contexts(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001363}
1364
Michael Chan27a005b2007-05-03 13:23:41 -07001365static void
1366bnx2_enable_bmsr1(struct bnx2 *bp)
1367{
Michael Chan583c28e2008-01-21 19:51:35 -08001368 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001369 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
Michael Chan27a005b2007-05-03 13:23:41 -07001370 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1371 MII_BNX2_BLK_ADDR_GP_STATUS);
1372}
1373
1374static void
1375bnx2_disable_bmsr1(struct bnx2 *bp)
1376{
Michael Chan583c28e2008-01-21 19:51:35 -08001377 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001378 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
Michael Chan27a005b2007-05-03 13:23:41 -07001379 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1380 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1381}
1382
Michael Chanb6016b72005-05-26 13:03:09 -07001383static int
Michael Chan605a9e22007-05-03 13:23:13 -07001384bnx2_test_and_enable_2g5(struct bnx2 *bp)
1385{
1386 u32 up1;
1387 int ret = 1;
1388
Michael Chan583c28e2008-01-21 19:51:35 -08001389 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001390 return 0;
1391
1392 if (bp->autoneg & AUTONEG_SPEED)
1393 bp->advertising |= ADVERTISED_2500baseX_Full;
1394
Michael Chan4ce45e02012-12-06 10:33:10 +00001395 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001396 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1397
Michael Chan605a9e22007-05-03 13:23:13 -07001398 bnx2_read_phy(bp, bp->mii_up1, &up1);
1399 if (!(up1 & BCM5708S_UP1_2G5)) {
1400 up1 |= BCM5708S_UP1_2G5;
1401 bnx2_write_phy(bp, bp->mii_up1, up1);
1402 ret = 0;
1403 }
1404
Michael Chan4ce45e02012-12-06 10:33:10 +00001405 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001406 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1407 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1408
Michael Chan605a9e22007-05-03 13:23:13 -07001409 return ret;
1410}
1411
1412static int
1413bnx2_test_and_disable_2g5(struct bnx2 *bp)
1414{
1415 u32 up1;
1416 int ret = 0;
1417
Michael Chan583c28e2008-01-21 19:51:35 -08001418 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001419 return 0;
1420
Michael Chan4ce45e02012-12-06 10:33:10 +00001421 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001422 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1423
Michael Chan605a9e22007-05-03 13:23:13 -07001424 bnx2_read_phy(bp, bp->mii_up1, &up1);
1425 if (up1 & BCM5708S_UP1_2G5) {
1426 up1 &= ~BCM5708S_UP1_2G5;
1427 bnx2_write_phy(bp, bp->mii_up1, up1);
1428 ret = 1;
1429 }
1430
Michael Chan4ce45e02012-12-06 10:33:10 +00001431 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001432 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1433 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1434
Michael Chan605a9e22007-05-03 13:23:13 -07001435 return ret;
1436}
1437
1438static void
1439bnx2_enable_forced_2g5(struct bnx2 *bp)
1440{
Michael Chancbd68902010-06-08 07:21:30 +00001441 u32 uninitialized_var(bmcr);
1442 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001443
Michael Chan583c28e2008-01-21 19:51:35 -08001444 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001445 return;
1446
Michael Chan4ce45e02012-12-06 10:33:10 +00001447 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan27a005b2007-05-03 13:23:41 -07001448 u32 val;
1449
1450 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1451 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001452 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1453 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1454 val |= MII_BNX2_SD_MISC1_FORCE |
1455 MII_BNX2_SD_MISC1_FORCE_2_5G;
1456 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1457 }
Michael Chan27a005b2007-05-03 13:23:41 -07001458
1459 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1460 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001461 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001462
Michael Chan4ce45e02012-12-06 10:33:10 +00001463 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001464 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1465 if (!err)
1466 bmcr |= BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001467 } else {
1468 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001469 }
1470
Michael Chancbd68902010-06-08 07:21:30 +00001471 if (err)
1472 return;
1473
Michael Chan605a9e22007-05-03 13:23:13 -07001474 if (bp->autoneg & AUTONEG_SPEED) {
1475 bmcr &= ~BMCR_ANENABLE;
1476 if (bp->req_duplex == DUPLEX_FULL)
1477 bmcr |= BMCR_FULLDPLX;
1478 }
1479 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1480}
1481
1482static void
1483bnx2_disable_forced_2g5(struct bnx2 *bp)
1484{
Michael Chancbd68902010-06-08 07:21:30 +00001485 u32 uninitialized_var(bmcr);
1486 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001487
Michael Chan583c28e2008-01-21 19:51:35 -08001488 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001489 return;
1490
Michael Chan4ce45e02012-12-06 10:33:10 +00001491 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan27a005b2007-05-03 13:23:41 -07001492 u32 val;
1493
1494 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1495 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001496 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1497 val &= ~MII_BNX2_SD_MISC1_FORCE;
1498 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1499 }
Michael Chan27a005b2007-05-03 13:23:41 -07001500
1501 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1502 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001503 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001504
Michael Chan4ce45e02012-12-06 10:33:10 +00001505 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001506 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1507 if (!err)
1508 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc7079852009-11-02 23:17:42 +00001509 } else {
1510 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001511 }
1512
Michael Chancbd68902010-06-08 07:21:30 +00001513 if (err)
1514 return;
1515
Michael Chan605a9e22007-05-03 13:23:13 -07001516 if (bp->autoneg & AUTONEG_SPEED)
1517 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1518 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1519}
1520
Michael Chanb2fadea2008-01-21 17:07:06 -08001521static void
1522bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1523{
1524 u32 val;
1525
1526 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1527 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1528 if (start)
1529 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1530 else
1531 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1532}
1533
Michael Chan605a9e22007-05-03 13:23:13 -07001534static int
Michael Chanb6016b72005-05-26 13:03:09 -07001535bnx2_set_link(struct bnx2 *bp)
1536{
1537 u32 bmsr;
1538 u8 link_up;
1539
Michael Chan80be4432006-11-19 14:07:28 -08001540 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001541 bp->link_up = 1;
1542 return 0;
1543 }
1544
Michael Chan583c28e2008-01-21 19:51:35 -08001545 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001546 return 0;
1547
Michael Chanb6016b72005-05-26 13:03:09 -07001548 link_up = bp->link_up;
1549
Michael Chan27a005b2007-05-03 13:23:41 -07001550 bnx2_enable_bmsr1(bp);
1551 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1552 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1553 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001554
Michael Chan583c28e2008-01-21 19:51:35 -08001555 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001556 (BNX2_CHIP(bp) == BNX2_CHIP_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001557 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001558
Michael Chan583c28e2008-01-21 19:51:35 -08001559 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001560 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001561 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001562 }
Michael Chane503e062012-12-06 10:33:08 +00001563 val = BNX2_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001564
1565 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1566 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1567 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1568
1569 if ((val & BNX2_EMAC_STATUS_LINK) &&
1570 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001571 bmsr |= BMSR_LSTATUS;
1572 else
1573 bmsr &= ~BMSR_LSTATUS;
1574 }
1575
1576 if (bmsr & BMSR_LSTATUS) {
1577 bp->link_up = 1;
1578
Michael Chan583c28e2008-01-21 19:51:35 -08001579 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan4ce45e02012-12-06 10:33:10 +00001580 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chan5b0c76a2005-11-04 08:45:49 -08001581 bnx2_5706s_linkup(bp);
Michael Chan4ce45e02012-12-06 10:33:10 +00001582 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
Michael Chan5b0c76a2005-11-04 08:45:49 -08001583 bnx2_5708s_linkup(bp);
Michael Chan4ce45e02012-12-06 10:33:10 +00001584 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001585 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001586 }
1587 else {
1588 bnx2_copper_linkup(bp);
1589 }
1590 bnx2_resolve_flow_ctrl(bp);
1591 }
1592 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001593 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001594 (bp->autoneg & AUTONEG_SPEED))
1595 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001596
Michael Chan583c28e2008-01-21 19:51:35 -08001597 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001598 u32 bmcr;
1599
1600 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1601 bmcr |= BMCR_ANENABLE;
1602 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1603
Michael Chan583c28e2008-01-21 19:51:35 -08001604 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001605 }
Michael Chanb6016b72005-05-26 13:03:09 -07001606 bp->link_up = 0;
1607 }
1608
1609 if (bp->link_up != link_up) {
1610 bnx2_report_link(bp);
1611 }
1612
1613 bnx2_set_mac_link(bp);
1614
1615 return 0;
1616}
1617
1618static int
1619bnx2_reset_phy(struct bnx2 *bp)
1620{
1621 int i;
1622 u32 reg;
1623
Michael Chanca58c3a2007-05-03 13:22:52 -07001624 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001625
1626#define PHY_RESET_MAX_WAIT 100
1627 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1628 udelay(10);
1629
Michael Chanca58c3a2007-05-03 13:22:52 -07001630 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001631 if (!(reg & BMCR_RESET)) {
1632 udelay(20);
1633 break;
1634 }
1635 }
1636 if (i == PHY_RESET_MAX_WAIT) {
1637 return -EBUSY;
1638 }
1639 return 0;
1640}
1641
1642static u32
1643bnx2_phy_get_pause_adv(struct bnx2 *bp)
1644{
1645 u32 adv = 0;
1646
1647 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1648 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1649
Michael Chan583c28e2008-01-21 19:51:35 -08001650 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001651 adv = ADVERTISE_1000XPAUSE;
1652 }
1653 else {
1654 adv = ADVERTISE_PAUSE_CAP;
1655 }
1656 }
1657 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001658 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001659 adv = ADVERTISE_1000XPSE_ASYM;
1660 }
1661 else {
1662 adv = ADVERTISE_PAUSE_ASYM;
1663 }
1664 }
1665 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001666 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001667 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1668 }
1669 else {
1670 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1671 }
1672 }
1673 return adv;
1674}
1675
Michael Chana2f13892008-07-14 22:38:23 -07001676static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
Michael Chan0d8a6572007-07-07 22:49:43 -07001677
Michael Chanb6016b72005-05-26 13:03:09 -07001678static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001679bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001680__releases(&bp->phy_lock)
1681__acquires(&bp->phy_lock)
Michael Chan0d8a6572007-07-07 22:49:43 -07001682{
1683 u32 speed_arg = 0, pause_adv;
1684
1685 pause_adv = bnx2_phy_get_pause_adv(bp);
1686
1687 if (bp->autoneg & AUTONEG_SPEED) {
1688 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1689 if (bp->advertising & ADVERTISED_10baseT_Half)
1690 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1691 if (bp->advertising & ADVERTISED_10baseT_Full)
1692 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1693 if (bp->advertising & ADVERTISED_100baseT_Half)
1694 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1695 if (bp->advertising & ADVERTISED_100baseT_Full)
1696 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1697 if (bp->advertising & ADVERTISED_1000baseT_Full)
1698 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1699 if (bp->advertising & ADVERTISED_2500baseX_Full)
1700 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1701 } else {
1702 if (bp->req_line_speed == SPEED_2500)
1703 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1704 else if (bp->req_line_speed == SPEED_1000)
1705 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1706 else if (bp->req_line_speed == SPEED_100) {
1707 if (bp->req_duplex == DUPLEX_FULL)
1708 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1709 else
1710 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1711 } else if (bp->req_line_speed == SPEED_10) {
1712 if (bp->req_duplex == DUPLEX_FULL)
1713 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1714 else
1715 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1716 }
1717 }
1718
1719 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1720 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001721 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001722 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1723
1724 if (port == PORT_TP)
1725 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1726 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1727
Michael Chan2726d6e2008-01-29 21:35:05 -08001728 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001729
1730 spin_unlock_bh(&bp->phy_lock);
Michael Chana2f13892008-07-14 22:38:23 -07001731 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
Michael Chan0d8a6572007-07-07 22:49:43 -07001732 spin_lock_bh(&bp->phy_lock);
1733
1734 return 0;
1735}
1736
1737static int
1738bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001739__releases(&bp->phy_lock)
1740__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07001741{
Michael Chan605a9e22007-05-03 13:23:13 -07001742 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001743 u32 new_adv = 0;
1744
Michael Chan583c28e2008-01-21 19:51:35 -08001745 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Eric Dumazet807540b2010-09-23 05:40:09 +00001746 return bnx2_setup_remote_phy(bp, port);
Michael Chan0d8a6572007-07-07 22:49:43 -07001747
Michael Chanb6016b72005-05-26 13:03:09 -07001748 if (!(bp->autoneg & AUTONEG_SPEED)) {
1749 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001750 int force_link_down = 0;
1751
Michael Chan605a9e22007-05-03 13:23:13 -07001752 if (bp->req_line_speed == SPEED_2500) {
1753 if (!bnx2_test_and_enable_2g5(bp))
1754 force_link_down = 1;
1755 } else if (bp->req_line_speed == SPEED_1000) {
1756 if (bnx2_test_and_disable_2g5(bp))
1757 force_link_down = 1;
1758 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001759 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001760 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1761
Michael Chanca58c3a2007-05-03 13:22:52 -07001762 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001763 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001764 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001765
Michael Chan4ce45e02012-12-06 10:33:10 +00001766 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan27a005b2007-05-03 13:23:41 -07001767 if (bp->req_line_speed == SPEED_2500)
1768 bnx2_enable_forced_2g5(bp);
1769 else if (bp->req_line_speed == SPEED_1000) {
1770 bnx2_disable_forced_2g5(bp);
1771 new_bmcr &= ~0x2000;
1772 }
1773
Michael Chan4ce45e02012-12-06 10:33:10 +00001774 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001775 if (bp->req_line_speed == SPEED_2500)
1776 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1777 else
1778 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001779 }
1780
Michael Chanb6016b72005-05-26 13:03:09 -07001781 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001782 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001783 new_bmcr |= BMCR_FULLDPLX;
1784 }
1785 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001786 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001787 new_bmcr &= ~BMCR_FULLDPLX;
1788 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001789 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001790 /* Force a link down visible on the other side */
1791 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001792 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001793 ~(ADVERTISE_1000XFULL |
1794 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001795 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001796 BMCR_ANRESTART | BMCR_ANENABLE);
1797
1798 bp->link_up = 0;
1799 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001800 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001801 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001802 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001803 bnx2_write_phy(bp, bp->mii_adv, adv);
1804 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001805 } else {
1806 bnx2_resolve_flow_ctrl(bp);
1807 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001808 }
1809 return 0;
1810 }
1811
Michael Chan605a9e22007-05-03 13:23:13 -07001812 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001813
Michael Chanb6016b72005-05-26 13:03:09 -07001814 if (bp->advertising & ADVERTISED_1000baseT_Full)
1815 new_adv |= ADVERTISE_1000XFULL;
1816
1817 new_adv |= bnx2_phy_get_pause_adv(bp);
1818
Michael Chanca58c3a2007-05-03 13:22:52 -07001819 bnx2_read_phy(bp, bp->mii_adv, &adv);
1820 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001821
1822 bp->serdes_an_pending = 0;
1823 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1824 /* Force a link down visible on the other side */
1825 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001826 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001827 spin_unlock_bh(&bp->phy_lock);
1828 msleep(20);
1829 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001830 }
1831
Michael Chanca58c3a2007-05-03 13:22:52 -07001832 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1833 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001834 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001835 /* Speed up link-up time when the link partner
1836 * does not autonegotiate which is very common
1837 * in blade servers. Some blade servers use
1838 * IPMI for kerboard input and it's important
1839 * to minimize link disruptions. Autoneg. involves
1840 * exchanging base pages plus 3 next pages and
1841 * normally completes in about 120 msec.
1842 */
Michael Chan40105c02008-11-12 16:02:45 -08001843 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08001844 bp->serdes_an_pending = 1;
1845 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001846 } else {
1847 bnx2_resolve_flow_ctrl(bp);
1848 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001849 }
1850
1851 return 0;
1852}
1853
1854#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001855 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001856 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1857 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001858
1859#define ETHTOOL_ALL_COPPER_SPEED \
1860 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1861 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1862 ADVERTISED_1000baseT_Full)
1863
1864#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1865 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001866
Michael Chanb6016b72005-05-26 13:03:09 -07001867#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1868
Michael Chandeaf3912007-07-07 22:48:00 -07001869static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001870bnx2_set_default_remote_link(struct bnx2 *bp)
1871{
1872 u32 link;
1873
1874 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001875 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001876 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001877 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001878
1879 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1880 bp->req_line_speed = 0;
1881 bp->autoneg |= AUTONEG_SPEED;
1882 bp->advertising = ADVERTISED_Autoneg;
1883 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1884 bp->advertising |= ADVERTISED_10baseT_Half;
1885 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1886 bp->advertising |= ADVERTISED_10baseT_Full;
1887 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1888 bp->advertising |= ADVERTISED_100baseT_Half;
1889 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1890 bp->advertising |= ADVERTISED_100baseT_Full;
1891 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1892 bp->advertising |= ADVERTISED_1000baseT_Full;
1893 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1894 bp->advertising |= ADVERTISED_2500baseX_Full;
1895 } else {
1896 bp->autoneg = 0;
1897 bp->advertising = 0;
1898 bp->req_duplex = DUPLEX_FULL;
1899 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1900 bp->req_line_speed = SPEED_10;
1901 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1902 bp->req_duplex = DUPLEX_HALF;
1903 }
1904 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1905 bp->req_line_speed = SPEED_100;
1906 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1907 bp->req_duplex = DUPLEX_HALF;
1908 }
1909 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1910 bp->req_line_speed = SPEED_1000;
1911 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1912 bp->req_line_speed = SPEED_2500;
1913 }
1914}
1915
1916static void
Michael Chandeaf3912007-07-07 22:48:00 -07001917bnx2_set_default_link(struct bnx2 *bp)
1918{
Harvey Harrisonab598592008-05-01 02:47:38 -07001919 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1920 bnx2_set_default_remote_link(bp);
1921 return;
1922 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001923
Michael Chandeaf3912007-07-07 22:48:00 -07001924 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1925 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001926 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001927 u32 reg;
1928
1929 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1930
Michael Chan2726d6e2008-01-29 21:35:05 -08001931 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001932 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1933 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1934 bp->autoneg = 0;
1935 bp->req_line_speed = bp->line_speed = SPEED_1000;
1936 bp->req_duplex = DUPLEX_FULL;
1937 }
1938 } else
1939 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1940}
1941
Michael Chan0d8a6572007-07-07 22:49:43 -07001942static void
Michael Chandf149d72007-07-07 22:51:36 -07001943bnx2_send_heart_beat(struct bnx2 *bp)
1944{
1945 u32 msg;
1946 u32 addr;
1947
1948 spin_lock(&bp->indirect_lock);
1949 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1950 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
Michael Chane503e062012-12-06 10:33:08 +00001951 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1952 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
Michael Chandf149d72007-07-07 22:51:36 -07001953 spin_unlock(&bp->indirect_lock);
1954}
1955
1956static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001957bnx2_remote_phy_event(struct bnx2 *bp)
1958{
1959 u32 msg;
1960 u8 link_up = bp->link_up;
1961 u8 old_port;
1962
Michael Chan2726d6e2008-01-29 21:35:05 -08001963 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001964
Michael Chandf149d72007-07-07 22:51:36 -07001965 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1966 bnx2_send_heart_beat(bp);
1967
1968 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1969
Michael Chan0d8a6572007-07-07 22:49:43 -07001970 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1971 bp->link_up = 0;
1972 else {
1973 u32 speed;
1974
1975 bp->link_up = 1;
1976 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1977 bp->duplex = DUPLEX_FULL;
1978 switch (speed) {
1979 case BNX2_LINK_STATUS_10HALF:
1980 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00001981 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07001982 case BNX2_LINK_STATUS_10FULL:
1983 bp->line_speed = SPEED_10;
1984 break;
1985 case BNX2_LINK_STATUS_100HALF:
1986 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00001987 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07001988 case BNX2_LINK_STATUS_100BASE_T4:
1989 case BNX2_LINK_STATUS_100FULL:
1990 bp->line_speed = SPEED_100;
1991 break;
1992 case BNX2_LINK_STATUS_1000HALF:
1993 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00001994 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07001995 case BNX2_LINK_STATUS_1000FULL:
1996 bp->line_speed = SPEED_1000;
1997 break;
1998 case BNX2_LINK_STATUS_2500HALF:
1999 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00002000 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07002001 case BNX2_LINK_STATUS_2500FULL:
2002 bp->line_speed = SPEED_2500;
2003 break;
2004 default:
2005 bp->line_speed = 0;
2006 break;
2007 }
2008
Michael Chan0d8a6572007-07-07 22:49:43 -07002009 bp->flow_ctrl = 0;
2010 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
2011 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
2012 if (bp->duplex == DUPLEX_FULL)
2013 bp->flow_ctrl = bp->req_flow_ctrl;
2014 } else {
2015 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2016 bp->flow_ctrl |= FLOW_CTRL_TX;
2017 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2018 bp->flow_ctrl |= FLOW_CTRL_RX;
2019 }
2020
2021 old_port = bp->phy_port;
2022 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2023 bp->phy_port = PORT_FIBRE;
2024 else
2025 bp->phy_port = PORT_TP;
2026
2027 if (old_port != bp->phy_port)
2028 bnx2_set_default_link(bp);
2029
Michael Chan0d8a6572007-07-07 22:49:43 -07002030 }
2031 if (bp->link_up != link_up)
2032 bnx2_report_link(bp);
2033
2034 bnx2_set_mac_link(bp);
2035}
2036
2037static int
2038bnx2_set_remote_link(struct bnx2 *bp)
2039{
2040 u32 evt_code;
2041
Michael Chan2726d6e2008-01-29 21:35:05 -08002042 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07002043 switch (evt_code) {
2044 case BNX2_FW_EVT_CODE_LINK_EVENT:
2045 bnx2_remote_phy_event(bp);
2046 break;
2047 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2048 default:
Michael Chandf149d72007-07-07 22:51:36 -07002049 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07002050 break;
2051 }
2052 return 0;
2053}
2054
Michael Chanb6016b72005-05-26 13:03:09 -07002055static int
2056bnx2_setup_copper_phy(struct bnx2 *bp)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002057__releases(&bp->phy_lock)
2058__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002059{
Michael Chand17e53b2013-12-31 23:22:32 -08002060 u32 bmcr, adv_reg, new_adv = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002061 u32 new_bmcr;
2062
Michael Chanca58c3a2007-05-03 13:22:52 -07002063 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002064
Michael Chand17e53b2013-12-31 23:22:32 -08002065 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2066 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2067 ADVERTISE_PAUSE_ASYM);
2068
2069 new_adv = ADVERTISE_CSMA | ethtool_adv_to_mii_adv_t(bp->advertising);
2070
Michael Chanb6016b72005-05-26 13:03:09 -07002071 if (bp->autoneg & AUTONEG_SPEED) {
Michael Chand17e53b2013-12-31 23:22:32 -08002072 u32 adv1000_reg;
Matt Carlson37f07022011-11-17 14:30:55 +00002073 u32 new_adv1000 = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002074
Michael Chand17e53b2013-12-31 23:22:32 -08002075 new_adv |= bnx2_phy_get_pause_adv(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002076
2077 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2078 adv1000_reg &= PHY_ALL_1000_SPEED;
2079
Matt Carlson37f07022011-11-17 14:30:55 +00002080 new_adv1000 |= ethtool_adv_to_mii_ctrl1000_t(bp->advertising);
Matt Carlson37f07022011-11-17 14:30:55 +00002081 if ((adv1000_reg != new_adv1000) ||
2082 (adv_reg != new_adv) ||
Michael Chanb6016b72005-05-26 13:03:09 -07002083 ((bmcr & BMCR_ANENABLE) == 0)) {
2084
Matt Carlson37f07022011-11-17 14:30:55 +00002085 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2086 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000);
Michael Chanca58c3a2007-05-03 13:22:52 -07002087 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07002088 BMCR_ANENABLE);
2089 }
2090 else if (bp->link_up) {
2091 /* Flow ctrl may have changed from auto to forced */
2092 /* or vice-versa. */
2093
2094 bnx2_resolve_flow_ctrl(bp);
2095 bnx2_set_mac_link(bp);
2096 }
2097 return 0;
2098 }
2099
Michael Chand17e53b2013-12-31 23:22:32 -08002100 /* advertise nothing when forcing speed */
2101 if (adv_reg != new_adv)
2102 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2103
Michael Chanb6016b72005-05-26 13:03:09 -07002104 new_bmcr = 0;
2105 if (bp->req_line_speed == SPEED_100) {
2106 new_bmcr |= BMCR_SPEED100;
2107 }
2108 if (bp->req_duplex == DUPLEX_FULL) {
2109 new_bmcr |= BMCR_FULLDPLX;
2110 }
2111 if (new_bmcr != bmcr) {
2112 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07002113
Michael Chanca58c3a2007-05-03 13:22:52 -07002114 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2115 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002116
Michael Chanb6016b72005-05-26 13:03:09 -07002117 if (bmsr & BMSR_LSTATUS) {
2118 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07002119 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08002120 spin_unlock_bh(&bp->phy_lock);
2121 msleep(50);
2122 spin_lock_bh(&bp->phy_lock);
2123
Michael Chanca58c3a2007-05-03 13:22:52 -07002124 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2125 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07002126 }
2127
Michael Chanca58c3a2007-05-03 13:22:52 -07002128 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002129
2130 /* Normally, the new speed is setup after the link has
2131 * gone down and up again. In some cases, link will not go
2132 * down so we need to set up the new speed here.
2133 */
2134 if (bmsr & BMSR_LSTATUS) {
2135 bp->line_speed = bp->req_line_speed;
2136 bp->duplex = bp->req_duplex;
2137 bnx2_resolve_flow_ctrl(bp);
2138 bnx2_set_mac_link(bp);
2139 }
Michael Chan27a005b2007-05-03 13:23:41 -07002140 } else {
2141 bnx2_resolve_flow_ctrl(bp);
2142 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002143 }
2144 return 0;
2145}
2146
2147static int
Michael Chan0d8a6572007-07-07 22:49:43 -07002148bnx2_setup_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002149__releases(&bp->phy_lock)
2150__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002151{
2152 if (bp->loopback == MAC_LOOPBACK)
2153 return 0;
2154
Michael Chan583c28e2008-01-21 19:51:35 -08002155 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Eric Dumazet807540b2010-09-23 05:40:09 +00002156 return bnx2_setup_serdes_phy(bp, port);
Michael Chanb6016b72005-05-26 13:03:09 -07002157 }
2158 else {
Eric Dumazet807540b2010-09-23 05:40:09 +00002159 return bnx2_setup_copper_phy(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002160 }
2161}
2162
2163static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002164bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07002165{
2166 u32 val;
2167
2168 bp->mii_bmcr = MII_BMCR + 0x10;
2169 bp->mii_bmsr = MII_BMSR + 0x10;
2170 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2171 bp->mii_adv = MII_ADVERTISE + 0x10;
2172 bp->mii_lpa = MII_LPA + 0x10;
2173 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2174
2175 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2176 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2177
2178 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07002179 if (reset_phy)
2180 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002181
2182 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2183
2184 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2185 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2186 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2187 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2188
2189 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2190 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002191 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002192 val |= BCM5708S_UP1_2G5;
2193 else
2194 val &= ~BCM5708S_UP1_2G5;
2195 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2196
2197 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2198 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2199 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2200 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2201
2202 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2203
2204 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2205 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2206 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2207
2208 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2209
2210 return 0;
2211}
2212
2213static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002214bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002215{
2216 u32 val;
2217
Michael Chan9a120bc2008-05-16 22:17:45 -07002218 if (reset_phy)
2219 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002220
2221 bp->mii_up1 = BCM5708S_UP1;
2222
Michael Chan5b0c76a2005-11-04 08:45:49 -08002223 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2224 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2225 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2226
2227 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2228 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2229 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2230
2231 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2232 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2233 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2234
Michael Chan583c28e2008-01-21 19:51:35 -08002235 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002236 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2237 val |= BCM5708S_UP1_2G5;
2238 bnx2_write_phy(bp, BCM5708S_UP1, val);
2239 }
2240
Michael Chan4ce45e02012-12-06 10:33:10 +00002241 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
2242 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
2243 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002244 /* increase tx signal amplitude */
2245 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2246 BCM5708S_BLK_ADDR_TX_MISC);
2247 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2248 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2249 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2250 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2251 }
2252
Michael Chan2726d6e2008-01-29 21:35:05 -08002253 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002254 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2255
2256 if (val) {
2257 u32 is_backplane;
2258
Michael Chan2726d6e2008-01-29 21:35:05 -08002259 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002260 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2261 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2262 BCM5708S_BLK_ADDR_TX_MISC);
2263 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2264 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2265 BCM5708S_BLK_ADDR_DIG);
2266 }
2267 }
2268 return 0;
2269}
2270
2271static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002272bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002273{
Michael Chan9a120bc2008-05-16 22:17:45 -07002274 if (reset_phy)
2275 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002276
Michael Chan583c28e2008-01-21 19:51:35 -08002277 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002278
Michael Chan4ce45e02012-12-06 10:33:10 +00002279 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chane503e062012-12-06 10:33:08 +00002280 BNX2_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002281
2282 if (bp->dev->mtu > 1500) {
2283 u32 val;
2284
2285 /* Set extended packet length bit */
2286 bnx2_write_phy(bp, 0x18, 0x7);
2287 bnx2_read_phy(bp, 0x18, &val);
2288 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2289
2290 bnx2_write_phy(bp, 0x1c, 0x6c00);
2291 bnx2_read_phy(bp, 0x1c, &val);
2292 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2293 }
2294 else {
2295 u32 val;
2296
2297 bnx2_write_phy(bp, 0x18, 0x7);
2298 bnx2_read_phy(bp, 0x18, &val);
2299 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2300
2301 bnx2_write_phy(bp, 0x1c, 0x6c00);
2302 bnx2_read_phy(bp, 0x1c, &val);
2303 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2304 }
2305
2306 return 0;
2307}
2308
2309static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002310bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002311{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002312 u32 val;
2313
Michael Chan9a120bc2008-05-16 22:17:45 -07002314 if (reset_phy)
2315 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002316
Michael Chan583c28e2008-01-21 19:51:35 -08002317 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002318 bnx2_write_phy(bp, 0x18, 0x0c00);
2319 bnx2_write_phy(bp, 0x17, 0x000a);
2320 bnx2_write_phy(bp, 0x15, 0x310b);
2321 bnx2_write_phy(bp, 0x17, 0x201f);
2322 bnx2_write_phy(bp, 0x15, 0x9506);
2323 bnx2_write_phy(bp, 0x17, 0x401f);
2324 bnx2_write_phy(bp, 0x15, 0x14e2);
2325 bnx2_write_phy(bp, 0x18, 0x0400);
2326 }
2327
Michael Chan583c28e2008-01-21 19:51:35 -08002328 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002329 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2330 MII_BNX2_DSP_EXPAND_REG | 0x8);
2331 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2332 val &= ~(1 << 8);
2333 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2334 }
2335
Michael Chanb6016b72005-05-26 13:03:09 -07002336 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002337 /* Set extended packet length bit */
2338 bnx2_write_phy(bp, 0x18, 0x7);
2339 bnx2_read_phy(bp, 0x18, &val);
2340 bnx2_write_phy(bp, 0x18, val | 0x4000);
2341
2342 bnx2_read_phy(bp, 0x10, &val);
2343 bnx2_write_phy(bp, 0x10, val | 0x1);
2344 }
2345 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002346 bnx2_write_phy(bp, 0x18, 0x7);
2347 bnx2_read_phy(bp, 0x18, &val);
2348 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2349
2350 bnx2_read_phy(bp, 0x10, &val);
2351 bnx2_write_phy(bp, 0x10, val & ~0x1);
2352 }
2353
Michael Chan5b0c76a2005-11-04 08:45:49 -08002354 /* ethernet@wirespeed */
Michael Chan41033b62013-12-31 23:22:33 -08002355 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL);
2356 bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val);
2357 val |= AUX_CTL_MISC_CTL_WR | AUX_CTL_MISC_CTL_WIRESPEED;
2358
2359 /* auto-mdix */
2360 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
2361 val |= AUX_CTL_MISC_CTL_AUTOMDIX;
2362
2363 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002364 return 0;
2365}
2366
2367
2368static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002369bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002370__releases(&bp->phy_lock)
2371__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002372{
2373 u32 val;
2374 int rc = 0;
2375
Michael Chan583c28e2008-01-21 19:51:35 -08002376 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2377 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002378
Michael Chanca58c3a2007-05-03 13:22:52 -07002379 bp->mii_bmcr = MII_BMCR;
2380 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002381 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002382 bp->mii_adv = MII_ADVERTISE;
2383 bp->mii_lpa = MII_LPA;
2384
Michael Chane503e062012-12-06 10:33:08 +00002385 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
Michael Chanb6016b72005-05-26 13:03:09 -07002386
Michael Chan583c28e2008-01-21 19:51:35 -08002387 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002388 goto setup_phy;
2389
Michael Chanb6016b72005-05-26 13:03:09 -07002390 bnx2_read_phy(bp, MII_PHYSID1, &val);
2391 bp->phy_id = val << 16;
2392 bnx2_read_phy(bp, MII_PHYSID2, &val);
2393 bp->phy_id |= val & 0xffff;
2394
Michael Chan583c28e2008-01-21 19:51:35 -08002395 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan4ce45e02012-12-06 10:33:10 +00002396 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002397 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan4ce45e02012-12-06 10:33:10 +00002398 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002399 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan4ce45e02012-12-06 10:33:10 +00002400 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002401 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002402 }
2403 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002404 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002405 }
2406
Michael Chan0d8a6572007-07-07 22:49:43 -07002407setup_phy:
2408 if (!rc)
2409 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002410
2411 return rc;
2412}
2413
2414static int
2415bnx2_set_mac_loopback(struct bnx2 *bp)
2416{
2417 u32 mac_mode;
2418
Michael Chane503e062012-12-06 10:33:08 +00002419 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07002420 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2421 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
Michael Chane503e062012-12-06 10:33:08 +00002422 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
Michael Chanb6016b72005-05-26 13:03:09 -07002423 bp->link_up = 1;
2424 return 0;
2425}
2426
Michael Chanbc5a0692006-01-23 16:13:22 -08002427static int bnx2_test_link(struct bnx2 *);
2428
2429static int
2430bnx2_set_phy_loopback(struct bnx2 *bp)
2431{
2432 u32 mac_mode;
2433 int rc, i;
2434
2435 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002436 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002437 BMCR_SPEED1000);
2438 spin_unlock_bh(&bp->phy_lock);
2439 if (rc)
2440 return rc;
2441
2442 for (i = 0; i < 10; i++) {
2443 if (bnx2_test_link(bp) == 0)
2444 break;
Michael Chan80be4432006-11-19 14:07:28 -08002445 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002446 }
2447
Michael Chane503e062012-12-06 10:33:08 +00002448 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002449 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2450 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002451 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002452
2453 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
Michael Chane503e062012-12-06 10:33:08 +00002454 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
Michael Chanbc5a0692006-01-23 16:13:22 -08002455 bp->link_up = 1;
2456 return 0;
2457}
2458
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002459static void
2460bnx2_dump_mcp_state(struct bnx2 *bp)
2461{
2462 struct net_device *dev = bp->dev;
2463 u32 mcp_p0, mcp_p1;
2464
2465 netdev_err(dev, "<--- start MCP states dump --->\n");
Michael Chan4ce45e02012-12-06 10:33:10 +00002466 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002467 mcp_p0 = BNX2_MCP_STATE_P0;
2468 mcp_p1 = BNX2_MCP_STATE_P1;
2469 } else {
2470 mcp_p0 = BNX2_MCP_STATE_P0_5708;
2471 mcp_p1 = BNX2_MCP_STATE_P1_5708;
2472 }
2473 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
2474 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
2475 netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n",
2476 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE),
2477 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE),
2478 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK));
2479 netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n",
2480 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2481 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2482 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION));
2483 netdev_err(dev, "DEBUG: shmem states:\n");
2484 netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]",
2485 bnx2_shmem_rd(bp, BNX2_DRV_MB),
2486 bnx2_shmem_rd(bp, BNX2_FW_MB),
2487 bnx2_shmem_rd(bp, BNX2_LINK_STATUS));
2488 pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB));
2489 netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]",
2490 bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE),
2491 bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE));
2492 pr_cont(" condition[%08x]\n",
2493 bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION));
Michael Chan13e63512012-06-16 15:45:42 +00002494 DP_SHMEM_LINE(bp, BNX2_BC_RESET_TYPE);
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002495 DP_SHMEM_LINE(bp, 0x3cc);
2496 DP_SHMEM_LINE(bp, 0x3dc);
2497 DP_SHMEM_LINE(bp, 0x3ec);
2498 netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc));
2499 netdev_err(dev, "<--- end MCP states dump --->\n");
2500}
2501
Michael Chanb6016b72005-05-26 13:03:09 -07002502static int
Michael Chana2f13892008-07-14 22:38:23 -07002503bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002504{
2505 int i;
2506 u32 val;
2507
Michael Chanb6016b72005-05-26 13:03:09 -07002508 bp->fw_wr_seq++;
2509 msg_data |= bp->fw_wr_seq;
Michael Chana8d9bc22014-03-09 15:45:32 -08002510 bp->fw_last_msg = msg_data;
Michael Chanb6016b72005-05-26 13:03:09 -07002511
Michael Chan2726d6e2008-01-29 21:35:05 -08002512 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002513
Michael Chana2f13892008-07-14 22:38:23 -07002514 if (!ack)
2515 return 0;
2516
Michael Chanb6016b72005-05-26 13:03:09 -07002517 /* wait for an acknowledgement. */
Michael Chan40105c02008-11-12 16:02:45 -08002518 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
Michael Chanb090ae22006-01-23 16:07:10 -08002519 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002520
Michael Chan2726d6e2008-01-29 21:35:05 -08002521 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002522
2523 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2524 break;
2525 }
Michael Chanb090ae22006-01-23 16:07:10 -08002526 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2527 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002528
2529 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002530 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002531 msg_data &= ~BNX2_DRV_MSG_CODE;
2532 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2533
Michael Chan2726d6e2008-01-29 21:35:05 -08002534 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002535 if (!silent) {
2536 pr_err("fw sync timeout, reset code = %x\n", msg_data);
2537 bnx2_dump_mcp_state(bp);
2538 }
Michael Chanb6016b72005-05-26 13:03:09 -07002539
Michael Chanb6016b72005-05-26 13:03:09 -07002540 return -EBUSY;
2541 }
2542
Michael Chanb090ae22006-01-23 16:07:10 -08002543 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2544 return -EIO;
2545
Michael Chanb6016b72005-05-26 13:03:09 -07002546 return 0;
2547}
2548
Michael Chan59b47d82006-11-19 14:10:45 -08002549static int
2550bnx2_init_5709_context(struct bnx2 *bp)
2551{
2552 int i, ret = 0;
2553 u32 val;
2554
2555 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
Michael Chan2bc40782012-12-06 10:33:09 +00002556 val |= (BNX2_PAGE_BITS - 8) << 16;
Michael Chane503e062012-12-06 10:33:08 +00002557 BNX2_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002558 for (i = 0; i < 10; i++) {
Michael Chane503e062012-12-06 10:33:08 +00002559 val = BNX2_RD(bp, BNX2_CTX_COMMAND);
Michael Chan641bdcd2007-06-04 21:22:24 -07002560 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2561 break;
2562 udelay(2);
2563 }
2564 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2565 return -EBUSY;
2566
Michael Chan59b47d82006-11-19 14:10:45 -08002567 for (i = 0; i < bp->ctx_pages; i++) {
2568 int j;
2569
Michael Chan352f7682008-05-02 16:57:26 -07002570 if (bp->ctx_blk[i])
Michael Chan2bc40782012-12-06 10:33:09 +00002571 memset(bp->ctx_blk[i], 0, BNX2_PAGE_SIZE);
Michael Chan352f7682008-05-02 16:57:26 -07002572 else
2573 return -ENOMEM;
2574
Michael Chane503e062012-12-06 10:33:08 +00002575 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2576 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2577 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2578 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2579 (u64) bp->ctx_blk_mapping[i] >> 32);
2580 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2581 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
Michael Chan59b47d82006-11-19 14:10:45 -08002582 for (j = 0; j < 10; j++) {
2583
Michael Chane503e062012-12-06 10:33:08 +00002584 val = BNX2_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
Michael Chan59b47d82006-11-19 14:10:45 -08002585 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2586 break;
2587 udelay(5);
2588 }
2589 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2590 ret = -EBUSY;
2591 break;
2592 }
2593 }
2594 return ret;
2595}
2596
Michael Chanb6016b72005-05-26 13:03:09 -07002597static void
2598bnx2_init_context(struct bnx2 *bp)
2599{
2600 u32 vcid;
2601
2602 vcid = 96;
2603 while (vcid) {
2604 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002605 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002606
2607 vcid--;
2608
Michael Chan4ce45e02012-12-06 10:33:10 +00002609 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chanb6016b72005-05-26 13:03:09 -07002610 u32 new_vcid;
2611
2612 vcid_addr = GET_PCID_ADDR(vcid);
2613 if (vcid & 0x8) {
2614 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2615 }
2616 else {
2617 new_vcid = vcid;
2618 }
2619 pcid_addr = GET_PCID_ADDR(new_vcid);
2620 }
2621 else {
2622 vcid_addr = GET_CID_ADDR(vcid);
2623 pcid_addr = vcid_addr;
2624 }
2625
Michael Chan7947b202007-06-04 21:17:10 -07002626 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2627 vcid_addr += (i << PHY_CTX_SHIFT);
2628 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002629
Michael Chane503e062012-12-06 10:33:08 +00002630 BNX2_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2631 BNX2_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002632
2633 /* Zero out the context. */
2634 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002635 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002636 }
Michael Chanb6016b72005-05-26 13:03:09 -07002637 }
2638}
2639
2640static int
2641bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2642{
2643 u16 *good_mbuf;
2644 u32 good_mbuf_cnt;
2645 u32 val;
2646
2647 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
Joe Perchese404dec2012-01-29 12:56:23 +00002648 if (good_mbuf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07002649 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07002650
Michael Chane503e062012-12-06 10:33:08 +00002651 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
Michael Chanb6016b72005-05-26 13:03:09 -07002652 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2653
2654 good_mbuf_cnt = 0;
2655
2656 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002657 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002658 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002659 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2660 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002661
Michael Chan2726d6e2008-01-29 21:35:05 -08002662 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002663
2664 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2665
2666 /* The addresses with Bit 9 set are bad memory blocks. */
2667 if (!(val & (1 << 9))) {
2668 good_mbuf[good_mbuf_cnt] = (u16) val;
2669 good_mbuf_cnt++;
2670 }
2671
Michael Chan2726d6e2008-01-29 21:35:05 -08002672 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002673 }
2674
2675 /* Free the good ones back to the mbuf pool thus discarding
2676 * all the bad ones. */
2677 while (good_mbuf_cnt) {
2678 good_mbuf_cnt--;
2679
2680 val = good_mbuf[good_mbuf_cnt];
2681 val = (val << 9) | val | 1;
2682
Michael Chan2726d6e2008-01-29 21:35:05 -08002683 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002684 }
2685 kfree(good_mbuf);
2686 return 0;
2687}
2688
2689static void
Benjamin Li5fcaed02008-07-14 22:39:52 -07002690bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
Michael Chanb6016b72005-05-26 13:03:09 -07002691{
2692 u32 val;
Michael Chanb6016b72005-05-26 13:03:09 -07002693
2694 val = (mac_addr[0] << 8) | mac_addr[1];
2695
Michael Chane503e062012-12-06 10:33:08 +00002696 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002697
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002698 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002699 (mac_addr[4] << 8) | mac_addr[5];
2700
Michael Chane503e062012-12-06 10:33:08 +00002701 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002702}
2703
2704static inline int
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002705bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chan47bf4242007-12-12 11:19:12 -08002706{
2707 dma_addr_t mapping;
Michael Chan2bc40782012-12-06 10:33:09 +00002708 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2709 struct bnx2_rx_bd *rxbd =
2710 &rxr->rx_pg_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002711 struct page *page = alloc_page(gfp);
Michael Chan47bf4242007-12-12 11:19:12 -08002712
2713 if (!page)
2714 return -ENOMEM;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002715 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
Michael Chan47bf4242007-12-12 11:19:12 -08002716 PCI_DMA_FROMDEVICE);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002717 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002718 __free_page(page);
2719 return -EIO;
2720 }
2721
Michael Chan47bf4242007-12-12 11:19:12 -08002722 rx_pg->page = page;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002723 dma_unmap_addr_set(rx_pg, mapping, mapping);
Michael Chan47bf4242007-12-12 11:19:12 -08002724 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2725 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2726 return 0;
2727}
2728
2729static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002730bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002731{
Michael Chan2bc40782012-12-06 10:33:09 +00002732 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002733 struct page *page = rx_pg->page;
2734
2735 if (!page)
2736 return;
2737
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002738 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
2739 PAGE_SIZE, PCI_DMA_FROMDEVICE);
Michael Chan47bf4242007-12-12 11:19:12 -08002740
2741 __free_page(page);
2742 rx_pg->page = NULL;
2743}
2744
2745static inline int
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002746bnx2_alloc_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chanb6016b72005-05-26 13:03:09 -07002747{
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002748 u8 *data;
Michael Chan2bc40782012-12-06 10:33:09 +00002749 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002750 dma_addr_t mapping;
Michael Chan2bc40782012-12-06 10:33:09 +00002751 struct bnx2_rx_bd *rxbd =
2752 &rxr->rx_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002753
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002754 data = kmalloc(bp->rx_buf_size, gfp);
2755 if (!data)
Michael Chanb6016b72005-05-26 13:03:09 -07002756 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07002757
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002758 mapping = dma_map_single(&bp->pdev->dev,
2759 get_l2_fhdr(data),
2760 bp->rx_buf_use_size,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002761 PCI_DMA_FROMDEVICE);
2762 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002763 kfree(data);
Benjamin Li3d16af82008-10-09 12:26:41 -07002764 return -EIO;
2765 }
Michael Chanb6016b72005-05-26 13:03:09 -07002766
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002767 rx_buf->data = data;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002768 dma_unmap_addr_set(rx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07002769
2770 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2771 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2772
Michael Chanbb4f98a2008-06-19 16:38:19 -07002773 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002774
2775 return 0;
2776}
2777
Michael Chanda3e4fb2007-05-03 13:24:23 -07002778static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002779bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002780{
Michael Chan43e80b82008-06-19 16:41:08 -07002781 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002782 u32 new_link_state, old_link_state;
2783 int is_set = 1;
2784
2785 new_link_state = sblk->status_attn_bits & event;
2786 old_link_state = sblk->status_attn_bits_ack & event;
2787 if (new_link_state != old_link_state) {
2788 if (new_link_state)
Michael Chane503e062012-12-06 10:33:08 +00002789 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
Michael Chanda3e4fb2007-05-03 13:24:23 -07002790 else
Michael Chane503e062012-12-06 10:33:08 +00002791 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
Michael Chanda3e4fb2007-05-03 13:24:23 -07002792 } else
2793 is_set = 0;
2794
2795 return is_set;
2796}
2797
Michael Chanb6016b72005-05-26 13:03:09 -07002798static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002799bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002800{
Michael Chan74ecc622008-05-02 16:56:16 -07002801 spin_lock(&bp->phy_lock);
2802
2803 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002804 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002805 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002806 bnx2_set_remote_link(bp);
2807
Michael Chan74ecc622008-05-02 16:56:16 -07002808 spin_unlock(&bp->phy_lock);
2809
Michael Chanb6016b72005-05-26 13:03:09 -07002810}
2811
Michael Chanead72702007-12-20 19:55:39 -08002812static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002813bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002814{
2815 u16 cons;
2816
Michael Chan43e80b82008-06-19 16:41:08 -07002817 /* Tell compiler that status block fields can change. */
2818 barrier();
2819 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002820 barrier();
Michael Chan2bc40782012-12-06 10:33:09 +00002821 if (unlikely((cons & BNX2_MAX_TX_DESC_CNT) == BNX2_MAX_TX_DESC_CNT))
Michael Chanead72702007-12-20 19:55:39 -08002822 cons++;
2823 return cons;
2824}
2825
Michael Chan57851d82007-12-20 20:01:44 -08002826static int
2827bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002828{
Michael Chan35e90102008-06-19 16:37:42 -07002829 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002830 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002831 int tx_pkt = 0, index;
Eric Dumazete9831902011-11-29 11:53:05 +00002832 unsigned int tx_bytes = 0;
Benjamin Li706bf242008-07-18 17:55:11 -07002833 struct netdev_queue *txq;
2834
2835 index = (bnapi - bp->bnx2_napi);
2836 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002837
Michael Chan35efa7c2007-12-20 19:56:37 -08002838 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002839 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002840
2841 while (sw_cons != hw_cons) {
Michael Chan2bc40782012-12-06 10:33:09 +00002842 struct bnx2_sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002843 struct sk_buff *skb;
2844 int i, last;
2845
Michael Chan2bc40782012-12-06 10:33:09 +00002846 sw_ring_cons = BNX2_TX_RING_IDX(sw_cons);
Michael Chanb6016b72005-05-26 13:03:09 -07002847
Michael Chan35e90102008-06-19 16:37:42 -07002848 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002849 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002850
Eric Dumazetd62fda02009-05-12 20:48:02 +00002851 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2852 prefetch(&skb->end);
2853
Michael Chanb6016b72005-05-26 13:03:09 -07002854 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002855 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002856 u16 last_idx, last_ring_idx;
2857
Eric Dumazetd62fda02009-05-12 20:48:02 +00002858 last_idx = sw_cons + tx_buf->nr_frags + 1;
2859 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chan2bc40782012-12-06 10:33:09 +00002860 if (unlikely(last_ring_idx >= BNX2_MAX_TX_DESC_CNT)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002861 last_idx++;
2862 }
2863 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2864 break;
2865 }
2866 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002867
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002868 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00002869 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002870
2871 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002872 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002873
2874 for (i = 0; i < last; i++) {
Michael Chan2bc40782012-12-06 10:33:09 +00002875 struct bnx2_sw_tx_bd *tx_buf;
Alexander Duycke95524a2009-12-02 16:47:57 +00002876
Michael Chan2bc40782012-12-06 10:33:09 +00002877 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
2878
2879 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(sw_cons)];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002880 dma_unmap_page(&bp->pdev->dev,
Michael Chan2bc40782012-12-06 10:33:09 +00002881 dma_unmap_addr(tx_buf, mapping),
Eric Dumazet9e903e02011-10-18 21:00:24 +00002882 skb_frag_size(&skb_shinfo(skb)->frags[i]),
Alexander Duycke95524a2009-12-02 16:47:57 +00002883 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002884 }
2885
Michael Chan2bc40782012-12-06 10:33:09 +00002886 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
Michael Chanb6016b72005-05-26 13:03:09 -07002887
Eric Dumazete9831902011-11-29 11:53:05 +00002888 tx_bytes += skb->len;
Michael Chan745720e2006-06-29 12:37:41 -07002889 dev_kfree_skb(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002890 tx_pkt++;
2891 if (tx_pkt == budget)
2892 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002893
Eric Dumazetd62fda02009-05-12 20:48:02 +00002894 if (hw_cons == sw_cons)
2895 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002896 }
2897
Eric Dumazete9831902011-11-29 11:53:05 +00002898 netdev_tx_completed_queue(txq, tx_pkt, tx_bytes);
Michael Chan35e90102008-06-19 16:37:42 -07002899 txr->hw_tx_cons = hw_cons;
2900 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002901
Michael Chan2f8af122006-08-15 01:39:10 -07002902 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002903 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002904 * memory barrier, there is a small possibility that bnx2_start_xmit()
2905 * will miss it and cause the queue to be stopped forever.
2906 */
2907 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002908
Benjamin Li706bf242008-07-18 17:55:11 -07002909 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002910 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002911 __netif_tx_lock(txq, smp_processor_id());
2912 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002913 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002914 netif_tx_wake_queue(txq);
2915 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002916 }
Benjamin Li706bf242008-07-18 17:55:11 -07002917
Michael Chan57851d82007-12-20 20:01:44 -08002918 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002919}
2920
Michael Chan1db82f22007-12-12 11:19:35 -08002921static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002922bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002923 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002924{
Michael Chan2bc40782012-12-06 10:33:09 +00002925 struct bnx2_sw_pg *cons_rx_pg, *prod_rx_pg;
2926 struct bnx2_rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002927 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002928 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002929 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002930
Benjamin Li3d16af82008-10-09 12:26:41 -07002931 cons_rx_pg = &rxr->rx_pg_ring[cons];
2932
2933 /* The caller was unable to allocate a new page to replace the
2934 * last one in the frags array, so we need to recycle that page
2935 * and then free the skb.
2936 */
2937 if (skb) {
2938 struct page *page;
2939 struct skb_shared_info *shinfo;
2940
2941 shinfo = skb_shinfo(skb);
2942 shinfo->nr_frags--;
Ian Campbellb7b6a682011-08-24 22:28:12 +00002943 page = skb_frag_page(&shinfo->frags[shinfo->nr_frags]);
2944 __skb_frag_set_page(&shinfo->frags[shinfo->nr_frags], NULL);
Benjamin Li3d16af82008-10-09 12:26:41 -07002945
2946 cons_rx_pg->page = page;
2947 dev_kfree_skb(skb);
2948 }
2949
2950 hw_prod = rxr->rx_pg_prod;
2951
Michael Chan1db82f22007-12-12 11:19:35 -08002952 for (i = 0; i < count; i++) {
Michael Chan2bc40782012-12-06 10:33:09 +00002953 prod = BNX2_RX_PG_RING_IDX(hw_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002954
Michael Chanbb4f98a2008-06-19 16:38:19 -07002955 prod_rx_pg = &rxr->rx_pg_ring[prod];
2956 cons_rx_pg = &rxr->rx_pg_ring[cons];
Michael Chan2bc40782012-12-06 10:33:09 +00002957 cons_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(cons)]
2958 [BNX2_RX_IDX(cons)];
2959 prod_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(prod)]
2960 [BNX2_RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002961
Michael Chan1db82f22007-12-12 11:19:35 -08002962 if (prod != cons) {
2963 prod_rx_pg->page = cons_rx_pg->page;
2964 cons_rx_pg->page = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002965 dma_unmap_addr_set(prod_rx_pg, mapping,
2966 dma_unmap_addr(cons_rx_pg, mapping));
Michael Chan1db82f22007-12-12 11:19:35 -08002967
2968 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2969 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2970
2971 }
Michael Chan2bc40782012-12-06 10:33:09 +00002972 cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(cons));
2973 hw_prod = BNX2_NEXT_RX_BD(hw_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002974 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002975 rxr->rx_pg_prod = hw_prod;
2976 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002977}
2978
Michael Chanb6016b72005-05-26 13:03:09 -07002979static inline void
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002980bnx2_reuse_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2981 u8 *data, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002982{
Michael Chan2bc40782012-12-06 10:33:09 +00002983 struct bnx2_sw_bd *cons_rx_buf, *prod_rx_buf;
2984 struct bnx2_rx_bd *cons_bd, *prod_bd;
Michael Chan236b6392006-03-20 17:49:02 -08002985
Michael Chanbb4f98a2008-06-19 16:38:19 -07002986 cons_rx_buf = &rxr->rx_buf_ring[cons];
2987 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002988
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002989 dma_sync_single_for_device(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002990 dma_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002991 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002992
Michael Chanbb4f98a2008-06-19 16:38:19 -07002993 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002994
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002995 prod_rx_buf->data = data;
Michael Chan236b6392006-03-20 17:49:02 -08002996
2997 if (cons == prod)
2998 return;
2999
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003000 dma_unmap_addr_set(prod_rx_buf, mapping,
3001 dma_unmap_addr(cons_rx_buf, mapping));
Michael Chanb6016b72005-05-26 13:03:09 -07003002
Michael Chan2bc40782012-12-06 10:33:09 +00003003 cons_bd = &rxr->rx_desc_ring[BNX2_RX_RING(cons)][BNX2_RX_IDX(cons)];
3004 prod_bd = &rxr->rx_desc_ring[BNX2_RX_RING(prod)][BNX2_RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08003005 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
3006 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07003007}
3008
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003009static struct sk_buff *
3010bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u8 *data,
Michael Chana1f60192007-12-20 19:57:19 -08003011 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
3012 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08003013{
3014 int err;
3015 u16 prod = ring_idx & 0xffff;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003016 struct sk_buff *skb;
Michael Chan85833c62007-12-12 11:17:01 -08003017
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003018 err = bnx2_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
Michael Chan85833c62007-12-12 11:17:01 -08003019 if (unlikely(err)) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003020 bnx2_reuse_rx_data(bp, rxr, data, (u16) (ring_idx >> 16), prod);
3021error:
Michael Chan1db82f22007-12-12 11:19:35 -08003022 if (hdr_len) {
3023 unsigned int raw_len = len + 4;
3024 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
3025
Michael Chanbb4f98a2008-06-19 16:38:19 -07003026 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08003027 }
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003028 return NULL;
Michael Chan85833c62007-12-12 11:17:01 -08003029 }
3030
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003031 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
Michael Chan85833c62007-12-12 11:17:01 -08003032 PCI_DMA_FROMDEVICE);
Eric Dumazetd3836f22012-04-27 00:33:38 +00003033 skb = build_skb(data, 0);
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003034 if (!skb) {
3035 kfree(data);
3036 goto error;
3037 }
3038 skb_reserve(skb, ((u8 *)get_l2_fhdr(data) - data) + BNX2_RX_OFFSET);
Michael Chan1db82f22007-12-12 11:19:35 -08003039 if (hdr_len == 0) {
3040 skb_put(skb, len);
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003041 return skb;
Michael Chan1db82f22007-12-12 11:19:35 -08003042 } else {
3043 unsigned int i, frag_len, frag_size, pages;
Michael Chan2bc40782012-12-06 10:33:09 +00003044 struct bnx2_sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003045 u16 pg_cons = rxr->rx_pg_cons;
3046 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08003047
3048 frag_size = len + 4 - hdr_len;
3049 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
3050 skb_put(skb, hdr_len);
3051
3052 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07003053 dma_addr_t mapping_old;
3054
Michael Chan1db82f22007-12-12 11:19:35 -08003055 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
3056 if (unlikely(frag_len <= 4)) {
3057 unsigned int tail = 4 - frag_len;
3058
Michael Chanbb4f98a2008-06-19 16:38:19 -07003059 rxr->rx_pg_cons = pg_cons;
3060 rxr->rx_pg_prod = pg_prod;
3061 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08003062 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003063 skb->len -= tail;
3064 if (i == 0) {
3065 skb->tail -= tail;
3066 } else {
3067 skb_frag_t *frag =
3068 &skb_shinfo(skb)->frags[i - 1];
Eric Dumazet9e903e02011-10-18 21:00:24 +00003069 skb_frag_size_sub(frag, tail);
Michael Chan1db82f22007-12-12 11:19:35 -08003070 skb->data_len -= tail;
Michael Chan1db82f22007-12-12 11:19:35 -08003071 }
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003072 return skb;
Michael Chan1db82f22007-12-12 11:19:35 -08003073 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003074 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003075
Benjamin Li3d16af82008-10-09 12:26:41 -07003076 /* Don't unmap yet. If we're unable to allocate a new
3077 * page, we need to recycle the page and the DMA addr.
3078 */
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003079 mapping_old = dma_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003080 if (i == pages - 1)
3081 frag_len -= 4;
3082
3083 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3084 rx_pg->page = NULL;
3085
Michael Chanbb4f98a2008-06-19 16:38:19 -07003086 err = bnx2_alloc_rx_page(bp, rxr,
Michael Chan2bc40782012-12-06 10:33:09 +00003087 BNX2_RX_PG_RING_IDX(pg_prod),
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00003088 GFP_ATOMIC);
Michael Chan1db82f22007-12-12 11:19:35 -08003089 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003090 rxr->rx_pg_cons = pg_cons;
3091 rxr->rx_pg_prod = pg_prod;
3092 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003093 pages - i);
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003094 return NULL;
Michael Chan1db82f22007-12-12 11:19:35 -08003095 }
3096
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003097 dma_unmap_page(&bp->pdev->dev, mapping_old,
Benjamin Li3d16af82008-10-09 12:26:41 -07003098 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3099
Michael Chan1db82f22007-12-12 11:19:35 -08003100 frag_size -= frag_len;
3101 skb->data_len += frag_len;
Eric Dumazeta1f4e8b2011-10-13 07:50:19 +00003102 skb->truesize += PAGE_SIZE;
Michael Chan1db82f22007-12-12 11:19:35 -08003103 skb->len += frag_len;
3104
Michael Chan2bc40782012-12-06 10:33:09 +00003105 pg_prod = BNX2_NEXT_RX_BD(pg_prod);
3106 pg_cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(pg_cons));
Michael Chan1db82f22007-12-12 11:19:35 -08003107 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003108 rxr->rx_pg_prod = pg_prod;
3109 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003110 }
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003111 return skb;
Michael Chan85833c62007-12-12 11:17:01 -08003112}
3113
Michael Chanc09c2622007-12-10 17:18:37 -08003114static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003115bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003116{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003117 u16 cons;
3118
Michael Chan43e80b82008-06-19 16:41:08 -07003119 /* Tell compiler that status block fields can change. */
3120 barrier();
3121 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003122 barrier();
Michael Chan2bc40782012-12-06 10:33:09 +00003123 if (unlikely((cons & BNX2_MAX_RX_DESC_CNT) == BNX2_MAX_RX_DESC_CNT))
Michael Chanc09c2622007-12-10 17:18:37 -08003124 cons++;
3125 return cons;
3126}
3127
Michael Chanb6016b72005-05-26 13:03:09 -07003128static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003129bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003130{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003131 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003132 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3133 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003134 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003135
Michael Chan35efa7c2007-12-20 19:56:37 -08003136 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003137 sw_cons = rxr->rx_cons;
3138 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003139
3140 /* Memory barrier necessary as speculative reads of the rx
3141 * buffer can be ahead of the index in the status block
3142 */
3143 rmb();
3144 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003145 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003146 u32 status;
Michael Chan2bc40782012-12-06 10:33:09 +00003147 struct bnx2_sw_bd *rx_buf, *next_rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07003148 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003149 dma_addr_t dma_addr;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003150 u8 *data;
Michael Chan2bc40782012-12-06 10:33:09 +00003151 u16 next_ring_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07003152
Michael Chan2bc40782012-12-06 10:33:09 +00003153 sw_ring_cons = BNX2_RX_RING_IDX(sw_cons);
3154 sw_ring_prod = BNX2_RX_RING_IDX(sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003155
Michael Chanbb4f98a2008-06-19 16:38:19 -07003156 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003157 data = rx_buf->data;
3158 rx_buf->data = NULL;
Michael Chan236b6392006-03-20 17:49:02 -08003159
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003160 rx_hdr = get_l2_fhdr(data);
3161 prefetch(rx_hdr);
Michael Chan236b6392006-03-20 17:49:02 -08003162
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003163 dma_addr = dma_unmap_addr(rx_buf, mapping);
Michael Chan236b6392006-03-20 17:49:02 -08003164
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003165 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003166 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3167 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003168
Michael Chan2bc40782012-12-06 10:33:09 +00003169 next_ring_idx = BNX2_RX_RING_IDX(BNX2_NEXT_RX_BD(sw_cons));
3170 next_rx_buf = &rxr->rx_buf_ring[next_ring_idx];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003171 prefetch(get_l2_fhdr(next_rx_buf->data));
3172
Michael Chan1db82f22007-12-12 11:19:35 -08003173 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003174 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003175
Michael Chan1db82f22007-12-12 11:19:35 -08003176 hdr_len = 0;
3177 if (status & L2_FHDR_STATUS_SPLIT) {
3178 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3179 pg_ring_used = 1;
3180 } else if (len > bp->rx_jumbo_thresh) {
3181 hdr_len = bp->rx_jumbo_thresh;
3182 pg_ring_used = 1;
3183 }
3184
Michael Chan990ec382009-02-12 16:54:13 -08003185 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3186 L2_FHDR_ERRORS_PHY_DECODE |
3187 L2_FHDR_ERRORS_ALIGNMENT |
3188 L2_FHDR_ERRORS_TOO_SHORT |
3189 L2_FHDR_ERRORS_GIANT_FRAME))) {
3190
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003191 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
Michael Chan990ec382009-02-12 16:54:13 -08003192 sw_ring_prod);
3193 if (pg_ring_used) {
3194 int pages;
3195
3196 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3197
3198 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3199 }
3200 goto next_rx;
3201 }
3202
Michael Chan1db82f22007-12-12 11:19:35 -08003203 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003204
Michael Chan5d5d0012007-12-12 11:17:43 -08003205 if (len <= bp->rx_copy_thresh) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003206 skb = netdev_alloc_skb(bp->dev, len + 6);
3207 if (skb == NULL) {
3208 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003209 sw_ring_prod);
3210 goto next_rx;
3211 }
Michael Chanb6016b72005-05-26 13:03:09 -07003212
3213 /* aligned copy */
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003214 memcpy(skb->data,
3215 (u8 *)rx_hdr + BNX2_RX_OFFSET - 6,
3216 len + 6);
3217 skb_reserve(skb, 6);
3218 skb_put(skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003219
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003220 bnx2_reuse_rx_data(bp, rxr, data,
Michael Chanb6016b72005-05-26 13:03:09 -07003221 sw_ring_cons, sw_ring_prod);
3222
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003223 } else {
3224 skb = bnx2_rx_skb(bp, rxr, data, len, hdr_len, dma_addr,
3225 (sw_ring_cons << 16) | sw_ring_prod);
3226 if (!skb)
3227 goto next_rx;
3228 }
Michael Chanf22828e2008-08-14 15:30:14 -07003229 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
Jesse Gross7d0fd212010-10-20 13:56:09 +00003230 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
Patrick McHardy86a9bad2013-04-19 02:04:30 +00003231 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rx_hdr->l2_fhdr_vlan_tag);
Michael Chanf22828e2008-08-14 15:30:14 -07003232
Michael Chanb6016b72005-05-26 13:03:09 -07003233 skb->protocol = eth_type_trans(skb, bp->dev);
3234
3235 if ((len > (bp->dev->mtu + ETH_HLEN)) &&
Alexey Dobriyand1e100b2006-06-11 20:57:17 -07003236 (ntohs(skb->protocol) != 0x8100)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003237
Michael Chan745720e2006-06-29 12:37:41 -07003238 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003239 goto next_rx;
3240
3241 }
3242
Eric Dumazetbc8acf22010-09-02 13:07:41 -07003243 skb_checksum_none_assert(skb);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00003244 if ((bp->dev->features & NETIF_F_RXCSUM) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003245 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3246 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3247
Michael Chanade2bfe2006-01-23 16:09:51 -08003248 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3249 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003250 skb->ip_summed = CHECKSUM_UNNECESSARY;
3251 }
Michael Chanfdc85412010-07-03 20:42:16 +00003252 if ((bp->dev->features & NETIF_F_RXHASH) &&
3253 ((status & L2_FHDR_STATUS_USE_RXHASH) ==
3254 L2_FHDR_STATUS_USE_RXHASH))
Tom Herbertcf1bfd62013-12-17 23:22:57 -08003255 skb_set_hash(skb, rx_hdr->l2_fhdr_hash,
3256 PKT_HASH_TYPE_L3);
Michael Chanb6016b72005-05-26 13:03:09 -07003257
David S. Miller0c8dfc82009-01-27 16:22:32 -08003258 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
Jesse Gross7d0fd212010-10-20 13:56:09 +00003259 napi_gro_receive(&bnapi->napi, skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003260 rx_pkt++;
3261
3262next_rx:
Michael Chan2bc40782012-12-06 10:33:09 +00003263 sw_cons = BNX2_NEXT_RX_BD(sw_cons);
3264 sw_prod = BNX2_NEXT_RX_BD(sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003265
3266 if ((rx_pkt == budget))
3267 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003268
3269 /* Refresh hw_cons to see if there is new work */
3270 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003271 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003272 rmb();
3273 }
Michael Chanb6016b72005-05-26 13:03:09 -07003274 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003275 rxr->rx_cons = sw_cons;
3276 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003277
Michael Chan1db82f22007-12-12 11:19:35 -08003278 if (pg_ring_used)
Michael Chane503e062012-12-06 10:33:08 +00003279 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003280
Michael Chane503e062012-12-06 10:33:08 +00003281 BNX2_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003282
Michael Chane503e062012-12-06 10:33:08 +00003283 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003284
3285 mmiowb();
3286
3287 return rx_pkt;
3288
3289}
3290
3291/* MSI ISR - The only difference between this and the INTx ISR
3292 * is that the MSI interrupt is always serviced.
3293 */
3294static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003295bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003296{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003297 struct bnx2_napi *bnapi = dev_instance;
3298 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003299
Michael Chan43e80b82008-06-19 16:41:08 -07003300 prefetch(bnapi->status_blk.msi);
Michael Chane503e062012-12-06 10:33:08 +00003301 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
Michael Chanb6016b72005-05-26 13:03:09 -07003302 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3303 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3304
3305 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003306 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3307 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003308
Ben Hutchings288379f2009-01-19 16:43:59 -08003309 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003310
Michael Chan73eef4c2005-08-25 15:39:15 -07003311 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003312}
3313
3314static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003315bnx2_msi_1shot(int irq, void *dev_instance)
3316{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003317 struct bnx2_napi *bnapi = dev_instance;
3318 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003319
Michael Chan43e80b82008-06-19 16:41:08 -07003320 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003321
3322 /* Return here if interrupt is disabled. */
3323 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3324 return IRQ_HANDLED;
3325
Ben Hutchings288379f2009-01-19 16:43:59 -08003326 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003327
3328 return IRQ_HANDLED;
3329}
3330
3331static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003332bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003333{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003334 struct bnx2_napi *bnapi = dev_instance;
3335 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003336 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003337
3338 /* When using INTx, it is possible for the interrupt to arrive
3339 * at the CPU before the status block posted prior to the
3340 * interrupt. Reading a register will flush the status block.
3341 * When using MSI, the MSI message will always complete after
3342 * the status block write.
3343 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003344 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chane503e062012-12-06 10:33:08 +00003345 (BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS) &
Michael Chanb6016b72005-05-26 13:03:09 -07003346 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003347 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003348
Michael Chane503e062012-12-06 10:33:08 +00003349 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
Michael Chanb6016b72005-05-26 13:03:09 -07003350 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3351 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3352
Michael Chanb8a7ce72007-07-07 22:51:03 -07003353 /* Read back to deassert IRQ immediately to avoid too many
3354 * spurious interrupts.
3355 */
Michael Chane503e062012-12-06 10:33:08 +00003356 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003357
Michael Chanb6016b72005-05-26 13:03:09 -07003358 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003359 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3360 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003361
Ben Hutchings288379f2009-01-19 16:43:59 -08003362 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003363 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003364 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003365 }
Michael Chanb6016b72005-05-26 13:03:09 -07003366
Michael Chan73eef4c2005-08-25 15:39:15 -07003367 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003368}
3369
Michael Chan43e80b82008-06-19 16:41:08 -07003370static inline int
3371bnx2_has_fast_work(struct bnx2_napi *bnapi)
3372{
3373 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3374 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3375
3376 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3377 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3378 return 1;
3379 return 0;
3380}
3381
Michael Chan0d8a6572007-07-07 22:49:43 -07003382#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3383 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003384
Michael Chanf4e418f2005-11-04 08:53:48 -08003385static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003386bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003387{
Michael Chan43e80b82008-06-19 16:41:08 -07003388 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003389
Michael Chan43e80b82008-06-19 16:41:08 -07003390 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003391 return 1;
3392
Michael Chan4edd4732009-06-08 18:14:42 -07003393#ifdef BCM_CNIC
3394 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3395 return 1;
3396#endif
3397
Michael Chanda3e4fb2007-05-03 13:24:23 -07003398 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3399 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003400 return 1;
3401
3402 return 0;
3403}
3404
Michael Chanefba0182008-12-03 00:36:15 -08003405static void
3406bnx2_chk_missed_msi(struct bnx2 *bp)
3407{
3408 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3409 u32 msi_ctrl;
3410
3411 if (bnx2_has_work(bnapi)) {
Michael Chane503e062012-12-06 10:33:08 +00003412 msi_ctrl = BNX2_RD(bp, BNX2_PCICFG_MSI_CONTROL);
Michael Chanefba0182008-12-03 00:36:15 -08003413 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3414 return;
3415
3416 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
Michael Chane503e062012-12-06 10:33:08 +00003417 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3418 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3419 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
Michael Chanefba0182008-12-03 00:36:15 -08003420 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3421 }
3422 }
3423
3424 bp->idle_chk_status_idx = bnapi->last_status_idx;
3425}
3426
Michael Chan4edd4732009-06-08 18:14:42 -07003427#ifdef BCM_CNIC
3428static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3429{
3430 struct cnic_ops *c_ops;
3431
3432 if (!bnapi->cnic_present)
3433 return;
3434
3435 rcu_read_lock();
3436 c_ops = rcu_dereference(bp->cnic_ops);
3437 if (c_ops)
3438 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3439 bnapi->status_blk.msi);
3440 rcu_read_unlock();
3441}
3442#endif
3443
Michael Chan43e80b82008-06-19 16:41:08 -07003444static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003445{
Michael Chan43e80b82008-06-19 16:41:08 -07003446 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003447 u32 status_attn_bits = sblk->status_attn_bits;
3448 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003449
Michael Chanda3e4fb2007-05-03 13:24:23 -07003450 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3451 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003452
Michael Chan35efa7c2007-12-20 19:56:37 -08003453 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003454
3455 /* This is needed to take care of transient status
3456 * during link changes.
3457 */
Michael Chane503e062012-12-06 10:33:08 +00003458 BNX2_WR(bp, BNX2_HC_COMMAND,
3459 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3460 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003461 }
Michael Chan43e80b82008-06-19 16:41:08 -07003462}
3463
3464static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3465 int work_done, int budget)
3466{
3467 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3468 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003469
Michael Chan35e90102008-06-19 16:37:42 -07003470 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003471 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003472
Michael Chanbb4f98a2008-06-19 16:38:19 -07003473 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003474 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003475
David S. Miller6f535762007-10-11 18:08:29 -07003476 return work_done;
3477}
Michael Chanf4e418f2005-11-04 08:53:48 -08003478
Michael Chanf0ea2e62008-06-19 16:41:57 -07003479static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3480{
3481 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3482 struct bnx2 *bp = bnapi->bp;
3483 int work_done = 0;
3484 struct status_block_msix *sblk = bnapi->status_blk.msix;
3485
3486 while (1) {
3487 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3488 if (unlikely(work_done >= budget))
3489 break;
3490
3491 bnapi->last_status_idx = sblk->status_idx;
3492 /* status idx must be read before checking for more work. */
3493 rmb();
3494 if (likely(!bnx2_has_fast_work(bnapi))) {
3495
Ben Hutchings288379f2009-01-19 16:43:59 -08003496 napi_complete(napi);
Michael Chane503e062012-12-06 10:33:08 +00003497 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3498 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3499 bnapi->last_status_idx);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003500 break;
3501 }
3502 }
3503 return work_done;
3504}
3505
David S. Miller6f535762007-10-11 18:08:29 -07003506static int bnx2_poll(struct napi_struct *napi, int budget)
3507{
Michael Chan35efa7c2007-12-20 19:56:37 -08003508 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3509 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003510 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003511 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003512
3513 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003514 bnx2_poll_link(bp, bnapi);
3515
Michael Chan35efa7c2007-12-20 19:56:37 -08003516 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003517
Michael Chan4edd4732009-06-08 18:14:42 -07003518#ifdef BCM_CNIC
3519 bnx2_poll_cnic(bp, bnapi);
3520#endif
3521
Michael Chan35efa7c2007-12-20 19:56:37 -08003522 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003523 * much work has been processed, so we must read it before
3524 * checking for more work.
3525 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003526 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003527
3528 if (unlikely(work_done >= budget))
3529 break;
3530
Michael Chan6dee6422007-10-12 01:40:38 -07003531 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003532 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003533 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003534 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
Michael Chane503e062012-12-06 10:33:08 +00003535 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3536 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3537 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003538 break;
David S. Miller6f535762007-10-11 18:08:29 -07003539 }
Michael Chane503e062012-12-06 10:33:08 +00003540 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3541 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3542 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3543 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003544
Michael Chane503e062012-12-06 10:33:08 +00003545 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3546 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3547 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003548 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003549 }
Michael Chanb6016b72005-05-26 13:03:09 -07003550 }
3551
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003552 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003553}
3554
Herbert Xu932ff272006-06-09 12:20:56 -07003555/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003556 * from set_multicast.
3557 */
3558static void
3559bnx2_set_rx_mode(struct net_device *dev)
3560{
Michael Chan972ec0d2006-01-23 16:12:43 -08003561 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003562 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003563 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003564 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003565
Michael Chan9f52b562008-10-09 12:21:46 -07003566 if (!netif_running(dev))
3567 return;
3568
Michael Chanc770a652005-08-25 15:38:39 -07003569 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003570
3571 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3572 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3573 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
Patrick McHardyf6469682013-04-19 02:04:27 +00003574 if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
Jesse Gross7d0fd212010-10-20 13:56:09 +00003575 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003576 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003577 if (dev->flags & IFF_PROMISC) {
3578 /* Promiscuous mode. */
3579 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003580 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3581 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003582 }
3583 else if (dev->flags & IFF_ALLMULTI) {
3584 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
Michael Chane503e062012-12-06 10:33:08 +00003585 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3586 0xffffffff);
Michael Chanb6016b72005-05-26 13:03:09 -07003587 }
3588 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3589 }
3590 else {
3591 /* Accept one or more multicast(s). */
Michael Chanb6016b72005-05-26 13:03:09 -07003592 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3593 u32 regidx;
3594 u32 bit;
3595 u32 crc;
3596
3597 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3598
Jiri Pirko22bedad32010-04-01 21:22:57 +00003599 netdev_for_each_mc_addr(ha, dev) {
3600 crc = ether_crc_le(ETH_ALEN, ha->addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003601 bit = crc & 0xff;
3602 regidx = (bit & 0xe0) >> 5;
3603 bit &= 0x1f;
3604 mc_filter[regidx] |= (1 << bit);
3605 }
3606
3607 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
Michael Chane503e062012-12-06 10:33:08 +00003608 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3609 mc_filter[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07003610 }
3611
3612 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3613 }
3614
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003615 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003616 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3617 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3618 BNX2_RPM_SORT_USER0_PROM_VLAN;
3619 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003620 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003621 i = 0;
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003622 netdev_for_each_uc_addr(ha, dev) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003623 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003624 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3625 sort_mode |= (1 <<
3626 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003627 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003628 }
3629
3630 }
3631
Michael Chanb6016b72005-05-26 13:03:09 -07003632 if (rx_mode != bp->rx_mode) {
3633 bp->rx_mode = rx_mode;
Michael Chane503e062012-12-06 10:33:08 +00003634 BNX2_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003635 }
3636
Michael Chane503e062012-12-06 10:33:08 +00003637 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3638 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3639 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
Michael Chanb6016b72005-05-26 13:03:09 -07003640
Michael Chanc770a652005-08-25 15:38:39 -07003641 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003642}
3643
françois romieu7880b722011-09-30 00:36:52 +00003644static int
Michael Chan57579f72009-04-04 16:51:14 -07003645check_fw_section(const struct firmware *fw,
3646 const struct bnx2_fw_file_section *section,
3647 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003648{
Michael Chan57579f72009-04-04 16:51:14 -07003649 u32 offset = be32_to_cpu(section->offset);
3650 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003651
Michael Chan57579f72009-04-04 16:51:14 -07003652 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3653 return -EINVAL;
3654 if ((non_empty && len == 0) || len > fw->size - offset ||
3655 len & (alignment - 1))
3656 return -EINVAL;
3657 return 0;
3658}
3659
françois romieu7880b722011-09-30 00:36:52 +00003660static int
Michael Chan57579f72009-04-04 16:51:14 -07003661check_mips_fw_entry(const struct firmware *fw,
3662 const struct bnx2_mips_fw_file_entry *entry)
3663{
3664 if (check_fw_section(fw, &entry->text, 4, true) ||
3665 check_fw_section(fw, &entry->data, 4, false) ||
3666 check_fw_section(fw, &entry->rodata, 4, false))
3667 return -EINVAL;
3668 return 0;
3669}
3670
françois romieu7880b722011-09-30 00:36:52 +00003671static void bnx2_release_firmware(struct bnx2 *bp)
3672{
3673 if (bp->rv2p_firmware) {
3674 release_firmware(bp->mips_firmware);
3675 release_firmware(bp->rv2p_firmware);
3676 bp->rv2p_firmware = NULL;
3677 }
3678}
3679
3680static int bnx2_request_uncached_firmware(struct bnx2 *bp)
Michael Chan57579f72009-04-04 16:51:14 -07003681{
3682 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003683 const struct bnx2_mips_fw_file *mips_fw;
3684 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003685 int rc;
3686
Michael Chan4ce45e02012-12-06 10:33:10 +00003687 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan57579f72009-04-04 16:51:14 -07003688 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan4ce45e02012-12-06 10:33:10 +00003689 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A0) ||
3690 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A1))
Michael Chan078b0732009-08-29 00:02:46 -07003691 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3692 else
3693 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003694 } else {
3695 mips_fw_file = FW_MIPS_FILE_06;
3696 rv2p_fw_file = FW_RV2P_FILE_06;
3697 }
3698
3699 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3700 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003701 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003702 goto out;
Michael Chan57579f72009-04-04 16:51:14 -07003703 }
3704
3705 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3706 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003707 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003708 goto err_release_mips_firmware;
Michael Chan57579f72009-04-04 16:51:14 -07003709 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003710 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3711 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3712 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3713 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3714 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3715 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3716 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3717 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003718 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003719 rc = -EINVAL;
3720 goto err_release_firmware;
Michael Chan57579f72009-04-04 16:51:14 -07003721 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003722 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3723 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3724 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003725 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003726 rc = -EINVAL;
3727 goto err_release_firmware;
Michael Chan57579f72009-04-04 16:51:14 -07003728 }
françois romieu7880b722011-09-30 00:36:52 +00003729out:
3730 return rc;
Michael Chan57579f72009-04-04 16:51:14 -07003731
françois romieu7880b722011-09-30 00:36:52 +00003732err_release_firmware:
3733 release_firmware(bp->rv2p_firmware);
3734 bp->rv2p_firmware = NULL;
3735err_release_mips_firmware:
3736 release_firmware(bp->mips_firmware);
3737 goto out;
3738}
3739
3740static int bnx2_request_firmware(struct bnx2 *bp)
3741{
3742 return bp->rv2p_firmware ? 0 : bnx2_request_uncached_firmware(bp);
Michael Chan57579f72009-04-04 16:51:14 -07003743}
3744
3745static u32
3746rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3747{
3748 switch (idx) {
3749 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3750 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3751 rv2p_code |= RV2P_BD_PAGE_SIZE;
3752 break;
3753 }
3754 return rv2p_code;
3755}
3756
3757static int
3758load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3759 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3760{
3761 u32 rv2p_code_len, file_offset;
3762 __be32 *rv2p_code;
3763 int i;
3764 u32 val, cmd, addr;
3765
3766 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3767 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3768
3769 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3770
3771 if (rv2p_proc == RV2P_PROC1) {
3772 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3773 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3774 } else {
3775 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3776 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003777 }
Michael Chanb6016b72005-05-26 13:03:09 -07003778
3779 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chane503e062012-12-06 10:33:08 +00003780 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003781 rv2p_code++;
Michael Chane503e062012-12-06 10:33:08 +00003782 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003783 rv2p_code++;
3784
Michael Chan57579f72009-04-04 16:51:14 -07003785 val = (i / 8) | cmd;
Michael Chane503e062012-12-06 10:33:08 +00003786 BNX2_WR(bp, addr, val);
Michael Chan57579f72009-04-04 16:51:14 -07003787 }
3788
3789 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3790 for (i = 0; i < 8; i++) {
3791 u32 loc, code;
3792
3793 loc = be32_to_cpu(fw_entry->fixup[i]);
3794 if (loc && ((loc * 4) < rv2p_code_len)) {
3795 code = be32_to_cpu(*(rv2p_code + loc - 1));
Michael Chane503e062012-12-06 10:33:08 +00003796 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
Michael Chan57579f72009-04-04 16:51:14 -07003797 code = be32_to_cpu(*(rv2p_code + loc));
3798 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
Michael Chane503e062012-12-06 10:33:08 +00003799 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, code);
Michael Chan57579f72009-04-04 16:51:14 -07003800
3801 val = (loc / 2) | cmd;
Michael Chane503e062012-12-06 10:33:08 +00003802 BNX2_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003803 }
3804 }
3805
3806 /* Reset the processor, un-stall is done later. */
3807 if (rv2p_proc == RV2P_PROC1) {
Michael Chane503e062012-12-06 10:33:08 +00003808 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07003809 }
3810 else {
Michael Chane503e062012-12-06 10:33:08 +00003811 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07003812 }
Michael Chan57579f72009-04-04 16:51:14 -07003813
3814 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003815}
3816
Michael Chanaf3ee512006-11-19 14:09:25 -08003817static int
Michael Chan57579f72009-04-04 16:51:14 -07003818load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3819 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003820{
Michael Chan57579f72009-04-04 16:51:14 -07003821 u32 addr, len, file_offset;
3822 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003823 u32 offset;
3824 u32 val;
3825
3826 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003827 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003828 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003829 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3830 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003831
3832 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003833 addr = be32_to_cpu(fw_entry->text.addr);
3834 len = be32_to_cpu(fw_entry->text.len);
3835 file_offset = be32_to_cpu(fw_entry->text.offset);
3836 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3837
3838 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3839 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003840 int j;
3841
Michael Chan57579f72009-04-04 16:51:14 -07003842 for (j = 0; j < (len / 4); j++, offset += 4)
3843 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003844 }
3845
3846 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003847 addr = be32_to_cpu(fw_entry->data.addr);
3848 len = be32_to_cpu(fw_entry->data.len);
3849 file_offset = be32_to_cpu(fw_entry->data.offset);
3850 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3851
3852 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3853 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003854 int j;
3855
Michael Chan57579f72009-04-04 16:51:14 -07003856 for (j = 0; j < (len / 4); j++, offset += 4)
3857 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003858 }
3859
3860 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003861 addr = be32_to_cpu(fw_entry->rodata.addr);
3862 len = be32_to_cpu(fw_entry->rodata.len);
3863 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3864 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3865
3866 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3867 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003868 int j;
3869
Michael Chan57579f72009-04-04 16:51:14 -07003870 for (j = 0; j < (len / 4); j++, offset += 4)
3871 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003872 }
3873
3874 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003875 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003876
3877 val = be32_to_cpu(fw_entry->start_addr);
3878 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003879
3880 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003881 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003882 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003883 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3884 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003885
3886 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003887}
3888
Michael Chanfba9fe92006-06-12 22:21:25 -07003889static int
Michael Chanb6016b72005-05-26 13:03:09 -07003890bnx2_init_cpus(struct bnx2 *bp)
3891{
Michael Chan57579f72009-04-04 16:51:14 -07003892 const struct bnx2_mips_fw_file *mips_fw =
3893 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3894 const struct bnx2_rv2p_fw_file *rv2p_fw =
3895 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3896 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003897
3898 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003899 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3900 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003901
3902 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003903 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003904 if (rc)
3905 goto init_cpu_err;
3906
Michael Chanb6016b72005-05-26 13:03:09 -07003907 /* Initialize the TX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003908 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
Michael Chanfba9fe92006-06-12 22:21:25 -07003909 if (rc)
3910 goto init_cpu_err;
3911
Michael Chanb6016b72005-05-26 13:03:09 -07003912 /* Initialize the TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003913 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
Michael Chanfba9fe92006-06-12 22:21:25 -07003914 if (rc)
3915 goto init_cpu_err;
3916
Michael Chanb6016b72005-05-26 13:03:09 -07003917 /* Initialize the Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003918 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003919 if (rc)
3920 goto init_cpu_err;
3921
Michael Chand43584c2006-11-19 14:14:35 -08003922 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003923 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003924
Michael Chanfba9fe92006-06-12 22:21:25 -07003925init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003926 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003927}
3928
Michael Chanb6a23e92013-08-06 15:50:09 -07003929static void
3930bnx2_setup_wol(struct bnx2 *bp)
3931{
3932 int i;
3933 u32 val, wol_msg;
3934
3935 if (bp->wol) {
3936 u32 advertising;
3937 u8 autoneg;
3938
3939 autoneg = bp->autoneg;
3940 advertising = bp->advertising;
3941
3942 if (bp->phy_port == PORT_TP) {
3943 bp->autoneg = AUTONEG_SPEED;
3944 bp->advertising = ADVERTISED_10baseT_Half |
3945 ADVERTISED_10baseT_Full |
3946 ADVERTISED_100baseT_Half |
3947 ADVERTISED_100baseT_Full |
3948 ADVERTISED_Autoneg;
3949 }
3950
3951 spin_lock_bh(&bp->phy_lock);
3952 bnx2_setup_phy(bp, bp->phy_port);
3953 spin_unlock_bh(&bp->phy_lock);
3954
3955 bp->autoneg = autoneg;
3956 bp->advertising = advertising;
3957
3958 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3959
3960 val = BNX2_RD(bp, BNX2_EMAC_MODE);
3961
3962 /* Enable port mode. */
3963 val &= ~BNX2_EMAC_MODE_PORT;
3964 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3965 BNX2_EMAC_MODE_ACPI_RCVD |
3966 BNX2_EMAC_MODE_MPKT;
3967 if (bp->phy_port == PORT_TP) {
3968 val |= BNX2_EMAC_MODE_PORT_MII;
3969 } else {
3970 val |= BNX2_EMAC_MODE_PORT_GMII;
3971 if (bp->line_speed == SPEED_2500)
3972 val |= BNX2_EMAC_MODE_25G_MODE;
3973 }
3974
3975 BNX2_WR(bp, BNX2_EMAC_MODE, val);
3976
3977 /* receive all multicast */
3978 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3979 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3980 0xffffffff);
3981 }
3982 BNX2_WR(bp, BNX2_EMAC_RX_MODE, BNX2_EMAC_RX_MODE_SORT_MODE);
3983
3984 val = 1 | BNX2_RPM_SORT_USER0_BC_EN | BNX2_RPM_SORT_USER0_MC_EN;
3985 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3986 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val);
3987 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val | BNX2_RPM_SORT_USER0_ENA);
3988
3989 /* Need to enable EMAC and RPM for WOL. */
3990 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3991 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3992 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3993 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3994
3995 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
3996 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
3997 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
3998
3999 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4000 } else {
4001 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4002 }
4003
Michael Chana8d9bc22014-03-09 15:45:32 -08004004 if (!(bp->flags & BNX2_FLAG_NO_WOL)) {
4005 u32 val;
4006
4007 wol_msg |= BNX2_DRV_MSG_DATA_WAIT3;
4008 if (bp->fw_last_msg || BNX2_CHIP(bp) != BNX2_CHIP_5709) {
4009 bnx2_fw_sync(bp, wol_msg, 1, 0);
4010 return;
4011 }
4012 /* Tell firmware not to power down the PHY yet, otherwise
4013 * the chip will take a long time to respond to MMIO reads.
4014 */
4015 val = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
4016 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE,
4017 val | BNX2_PORT_FEATURE_ASF_ENABLED);
4018 bnx2_fw_sync(bp, wol_msg, 1, 0);
4019 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, val);
4020 }
Michael Chanb6a23e92013-08-06 15:50:09 -07004021
4022}
4023
Michael Chanb6016b72005-05-26 13:03:09 -07004024static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07004025bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07004026{
Michael Chanb6016b72005-05-26 13:03:09 -07004027 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07004028 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07004029 u32 val;
4030
Michael Chan6d5e85c2013-08-06 15:50:08 -07004031 pci_enable_wake(bp->pdev, PCI_D0, false);
4032 pci_set_power_state(bp->pdev, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07004033
Michael Chane503e062012-12-06 10:33:08 +00004034 val = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07004035 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
4036 val &= ~BNX2_EMAC_MODE_MPKT;
Michael Chane503e062012-12-06 10:33:08 +00004037 BNX2_WR(bp, BNX2_EMAC_MODE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004038
Michael Chane503e062012-12-06 10:33:08 +00004039 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004040 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
Michael Chane503e062012-12-06 10:33:08 +00004041 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004042 break;
4043 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07004044 case PCI_D3hot: {
Michael Chanb6a23e92013-08-06 15:50:09 -07004045 bnx2_setup_wol(bp);
Michael Chan6d5e85c2013-08-06 15:50:08 -07004046 pci_wake_from_d3(bp->pdev, bp->wol);
Michael Chan4ce45e02012-12-06 10:33:10 +00004047 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4048 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004049
4050 if (bp->wol)
Michael Chan6d5e85c2013-08-06 15:50:08 -07004051 pci_set_power_state(bp->pdev, PCI_D3hot);
Michael Chana8d9bc22014-03-09 15:45:32 -08004052 break;
4053
Michael Chanb6016b72005-05-26 13:03:09 -07004054 }
Michael Chana8d9bc22014-03-09 15:45:32 -08004055 if (!bp->fw_last_msg && BNX2_CHIP(bp) == BNX2_CHIP_5709) {
4056 u32 val;
4057
4058 /* Tell firmware not to power down the PHY yet,
4059 * otherwise the other port may not respond to
4060 * MMIO reads.
4061 */
4062 val = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
4063 val &= ~BNX2_CONDITION_PM_STATE_MASK;
4064 val |= BNX2_CONDITION_PM_STATE_UNPREP;
4065 bnx2_shmem_wr(bp, BNX2_BC_STATE_CONDITION, val);
4066 }
4067 pci_set_power_state(bp->pdev, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07004068
4069 /* No more memory access after this point until
4070 * device is brought back to D0.
4071 */
Michael Chanb6016b72005-05-26 13:03:09 -07004072 break;
4073 }
4074 default:
4075 return -EINVAL;
4076 }
4077 return 0;
4078}
4079
4080static int
4081bnx2_acquire_nvram_lock(struct bnx2 *bp)
4082{
4083 u32 val;
4084 int j;
4085
4086 /* Request access to the flash interface. */
Michael Chane503e062012-12-06 10:33:08 +00004087 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
Michael Chanb6016b72005-05-26 13:03:09 -07004088 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
Michael Chane503e062012-12-06 10:33:08 +00004089 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
Michael Chanb6016b72005-05-26 13:03:09 -07004090 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4091 break;
4092
4093 udelay(5);
4094 }
4095
4096 if (j >= NVRAM_TIMEOUT_COUNT)
4097 return -EBUSY;
4098
4099 return 0;
4100}
4101
4102static int
4103bnx2_release_nvram_lock(struct bnx2 *bp)
4104{
4105 int j;
4106 u32 val;
4107
4108 /* Relinquish nvram interface. */
Michael Chane503e062012-12-06 10:33:08 +00004109 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
Michael Chanb6016b72005-05-26 13:03:09 -07004110
4111 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
Michael Chane503e062012-12-06 10:33:08 +00004112 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
Michael Chanb6016b72005-05-26 13:03:09 -07004113 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4114 break;
4115
4116 udelay(5);
4117 }
4118
4119 if (j >= NVRAM_TIMEOUT_COUNT)
4120 return -EBUSY;
4121
4122 return 0;
4123}
4124
4125
4126static int
4127bnx2_enable_nvram_write(struct bnx2 *bp)
4128{
4129 u32 val;
4130
Michael Chane503e062012-12-06 10:33:08 +00004131 val = BNX2_RD(bp, BNX2_MISC_CFG);
4132 BNX2_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
Michael Chanb6016b72005-05-26 13:03:09 -07004133
Michael Chane30372c2007-07-16 18:26:23 -07004134 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004135 int j;
4136
Michael Chane503e062012-12-06 10:33:08 +00004137 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4138 BNX2_WR(bp, BNX2_NVM_COMMAND,
4139 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
Michael Chanb6016b72005-05-26 13:03:09 -07004140
4141 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4142 udelay(5);
4143
Michael Chane503e062012-12-06 10:33:08 +00004144 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07004145 if (val & BNX2_NVM_COMMAND_DONE)
4146 break;
4147 }
4148
4149 if (j >= NVRAM_TIMEOUT_COUNT)
4150 return -EBUSY;
4151 }
4152 return 0;
4153}
4154
4155static void
4156bnx2_disable_nvram_write(struct bnx2 *bp)
4157{
4158 u32 val;
4159
Michael Chane503e062012-12-06 10:33:08 +00004160 val = BNX2_RD(bp, BNX2_MISC_CFG);
4161 BNX2_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
Michael Chanb6016b72005-05-26 13:03:09 -07004162}
4163
4164
4165static void
4166bnx2_enable_nvram_access(struct bnx2 *bp)
4167{
4168 u32 val;
4169
Michael Chane503e062012-12-06 10:33:08 +00004170 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07004171 /* Enable both bits, even on read. */
Michael Chane503e062012-12-06 10:33:08 +00004172 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4173 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
Michael Chanb6016b72005-05-26 13:03:09 -07004174}
4175
4176static void
4177bnx2_disable_nvram_access(struct bnx2 *bp)
4178{
4179 u32 val;
4180
Michael Chane503e062012-12-06 10:33:08 +00004181 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07004182 /* Disable both bits, even after read. */
Michael Chane503e062012-12-06 10:33:08 +00004183 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004184 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4185 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4186}
4187
4188static int
4189bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4190{
4191 u32 cmd;
4192 int j;
4193
Michael Chane30372c2007-07-16 18:26:23 -07004194 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004195 /* Buffered flash, no erase needed */
4196 return 0;
4197
4198 /* Build an erase command */
4199 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4200 BNX2_NVM_COMMAND_DOIT;
4201
4202 /* Need to clear DONE bit separately. */
Michael Chane503e062012-12-06 10:33:08 +00004203 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
Michael Chanb6016b72005-05-26 13:03:09 -07004204
4205 /* Address of the NVRAM to read from. */
Michael Chane503e062012-12-06 10:33:08 +00004206 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
Michael Chanb6016b72005-05-26 13:03:09 -07004207
4208 /* Issue an erase command. */
Michael Chane503e062012-12-06 10:33:08 +00004209 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
Michael Chanb6016b72005-05-26 13:03:09 -07004210
4211 /* Wait for completion. */
4212 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4213 u32 val;
4214
4215 udelay(5);
4216
Michael Chane503e062012-12-06 10:33:08 +00004217 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07004218 if (val & BNX2_NVM_COMMAND_DONE)
4219 break;
4220 }
4221
4222 if (j >= NVRAM_TIMEOUT_COUNT)
4223 return -EBUSY;
4224
4225 return 0;
4226}
4227
4228static int
4229bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4230{
4231 u32 cmd;
4232 int j;
4233
4234 /* Build the command word. */
4235 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4236
Michael Chane30372c2007-07-16 18:26:23 -07004237 /* Calculate an offset of a buffered flash, not needed for 5709. */
4238 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004239 offset = ((offset / bp->flash_info->page_size) <<
4240 bp->flash_info->page_bits) +
4241 (offset % bp->flash_info->page_size);
4242 }
4243
4244 /* Need to clear DONE bit separately. */
Michael Chane503e062012-12-06 10:33:08 +00004245 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
Michael Chanb6016b72005-05-26 13:03:09 -07004246
4247 /* Address of the NVRAM to read from. */
Michael Chane503e062012-12-06 10:33:08 +00004248 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
Michael Chanb6016b72005-05-26 13:03:09 -07004249
4250 /* Issue a read command. */
Michael Chane503e062012-12-06 10:33:08 +00004251 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
Michael Chanb6016b72005-05-26 13:03:09 -07004252
4253 /* Wait for completion. */
4254 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4255 u32 val;
4256
4257 udelay(5);
4258
Michael Chane503e062012-12-06 10:33:08 +00004259 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07004260 if (val & BNX2_NVM_COMMAND_DONE) {
Michael Chane503e062012-12-06 10:33:08 +00004261 __be32 v = cpu_to_be32(BNX2_RD(bp, BNX2_NVM_READ));
Al Virob491edd2007-12-22 19:44:51 +00004262 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004263 break;
4264 }
4265 }
4266 if (j >= NVRAM_TIMEOUT_COUNT)
4267 return -EBUSY;
4268
4269 return 0;
4270}
4271
4272
4273static int
4274bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4275{
Al Virob491edd2007-12-22 19:44:51 +00004276 u32 cmd;
4277 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004278 int j;
4279
4280 /* Build the command word. */
4281 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4282
Michael Chane30372c2007-07-16 18:26:23 -07004283 /* Calculate an offset of a buffered flash, not needed for 5709. */
4284 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004285 offset = ((offset / bp->flash_info->page_size) <<
4286 bp->flash_info->page_bits) +
4287 (offset % bp->flash_info->page_size);
4288 }
4289
4290 /* Need to clear DONE bit separately. */
Michael Chane503e062012-12-06 10:33:08 +00004291 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
Michael Chanb6016b72005-05-26 13:03:09 -07004292
4293 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004294
4295 /* Write the data. */
Michael Chane503e062012-12-06 10:33:08 +00004296 BNX2_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004297
4298 /* Address of the NVRAM to write to. */
Michael Chane503e062012-12-06 10:33:08 +00004299 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
Michael Chanb6016b72005-05-26 13:03:09 -07004300
4301 /* Issue the write command. */
Michael Chane503e062012-12-06 10:33:08 +00004302 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
Michael Chanb6016b72005-05-26 13:03:09 -07004303
4304 /* Wait for completion. */
4305 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4306 udelay(5);
4307
Michael Chane503e062012-12-06 10:33:08 +00004308 if (BNX2_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
Michael Chanb6016b72005-05-26 13:03:09 -07004309 break;
4310 }
4311 if (j >= NVRAM_TIMEOUT_COUNT)
4312 return -EBUSY;
4313
4314 return 0;
4315}
4316
4317static int
4318bnx2_init_nvram(struct bnx2 *bp)
4319{
4320 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004321 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004322 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004323
Michael Chan4ce45e02012-12-06 10:33:10 +00004324 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane30372c2007-07-16 18:26:23 -07004325 bp->flash_info = &flash_5709;
4326 goto get_flash_size;
4327 }
4328
Michael Chanb6016b72005-05-26 13:03:09 -07004329 /* Determine the selected interface. */
Michael Chane503e062012-12-06 10:33:08 +00004330 val = BNX2_RD(bp, BNX2_NVM_CFG1);
Michael Chanb6016b72005-05-26 13:03:09 -07004331
Denis Chengff8ac602007-09-02 18:30:18 +08004332 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004333
Michael Chanb6016b72005-05-26 13:03:09 -07004334 if (val & 0x40000000) {
4335
4336 /* Flash interface has been reconfigured */
4337 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004338 j++, flash++) {
4339 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4340 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004341 bp->flash_info = flash;
4342 break;
4343 }
4344 }
4345 }
4346 else {
Michael Chan37137702005-11-04 08:49:17 -08004347 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004348 /* Not yet been reconfigured */
4349
Michael Chan37137702005-11-04 08:49:17 -08004350 if (val & (1 << 23))
4351 mask = FLASH_BACKUP_STRAP_MASK;
4352 else
4353 mask = FLASH_STRAP_MASK;
4354
Michael Chanb6016b72005-05-26 13:03:09 -07004355 for (j = 0, flash = &flash_table[0]; j < entry_count;
4356 j++, flash++) {
4357
Michael Chan37137702005-11-04 08:49:17 -08004358 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004359 bp->flash_info = flash;
4360
4361 /* Request access to the flash interface. */
4362 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4363 return rc;
4364
4365 /* Enable access to flash interface */
4366 bnx2_enable_nvram_access(bp);
4367
4368 /* Reconfigure the flash interface */
Michael Chane503e062012-12-06 10:33:08 +00004369 BNX2_WR(bp, BNX2_NVM_CFG1, flash->config1);
4370 BNX2_WR(bp, BNX2_NVM_CFG2, flash->config2);
4371 BNX2_WR(bp, BNX2_NVM_CFG3, flash->config3);
4372 BNX2_WR(bp, BNX2_NVM_WRITE1, flash->write1);
Michael Chanb6016b72005-05-26 13:03:09 -07004373
4374 /* Disable access to flash interface */
4375 bnx2_disable_nvram_access(bp);
4376 bnx2_release_nvram_lock(bp);
4377
4378 break;
4379 }
4380 }
4381 } /* if (val & 0x40000000) */
4382
4383 if (j == entry_count) {
4384 bp->flash_info = NULL;
Joe Perches3a9c6a42010-02-17 15:01:51 +00004385 pr_alert("Unknown flash/EEPROM type\n");
Michael Chan1122db72006-01-23 16:11:42 -08004386 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004387 }
4388
Michael Chane30372c2007-07-16 18:26:23 -07004389get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004390 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004391 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4392 if (val)
4393 bp->flash_size = val;
4394 else
4395 bp->flash_size = bp->flash_info->total_size;
4396
Michael Chanb6016b72005-05-26 13:03:09 -07004397 return rc;
4398}
4399
4400static int
4401bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4402 int buf_size)
4403{
4404 int rc = 0;
4405 u32 cmd_flags, offset32, len32, extra;
4406
4407 if (buf_size == 0)
4408 return 0;
4409
4410 /* Request access to the flash interface. */
4411 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4412 return rc;
4413
4414 /* Enable access to flash interface */
4415 bnx2_enable_nvram_access(bp);
4416
4417 len32 = buf_size;
4418 offset32 = offset;
4419 extra = 0;
4420
4421 cmd_flags = 0;
4422
4423 if (offset32 & 3) {
4424 u8 buf[4];
4425 u32 pre_len;
4426
4427 offset32 &= ~3;
4428 pre_len = 4 - (offset & 3);
4429
4430 if (pre_len >= len32) {
4431 pre_len = len32;
4432 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4433 BNX2_NVM_COMMAND_LAST;
4434 }
4435 else {
4436 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4437 }
4438
4439 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4440
4441 if (rc)
4442 return rc;
4443
4444 memcpy(ret_buf, buf + (offset & 3), pre_len);
4445
4446 offset32 += 4;
4447 ret_buf += pre_len;
4448 len32 -= pre_len;
4449 }
4450 if (len32 & 3) {
4451 extra = 4 - (len32 & 3);
4452 len32 = (len32 + 4) & ~3;
4453 }
4454
4455 if (len32 == 4) {
4456 u8 buf[4];
4457
4458 if (cmd_flags)
4459 cmd_flags = BNX2_NVM_COMMAND_LAST;
4460 else
4461 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4462 BNX2_NVM_COMMAND_LAST;
4463
4464 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4465
4466 memcpy(ret_buf, buf, 4 - extra);
4467 }
4468 else if (len32 > 0) {
4469 u8 buf[4];
4470
4471 /* Read the first word. */
4472 if (cmd_flags)
4473 cmd_flags = 0;
4474 else
4475 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4476
4477 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4478
4479 /* Advance to the next dword. */
4480 offset32 += 4;
4481 ret_buf += 4;
4482 len32 -= 4;
4483
4484 while (len32 > 4 && rc == 0) {
4485 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4486
4487 /* Advance to the next dword. */
4488 offset32 += 4;
4489 ret_buf += 4;
4490 len32 -= 4;
4491 }
4492
4493 if (rc)
4494 return rc;
4495
4496 cmd_flags = BNX2_NVM_COMMAND_LAST;
4497 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4498
4499 memcpy(ret_buf, buf, 4 - extra);
4500 }
4501
4502 /* Disable access to flash interface */
4503 bnx2_disable_nvram_access(bp);
4504
4505 bnx2_release_nvram_lock(bp);
4506
4507 return rc;
4508}
4509
4510static int
4511bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4512 int buf_size)
4513{
4514 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004515 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004516 int rc = 0;
4517 int align_start, align_end;
4518
4519 buf = data_buf;
4520 offset32 = offset;
4521 len32 = buf_size;
4522 align_start = align_end = 0;
4523
4524 if ((align_start = (offset32 & 3))) {
4525 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004526 len32 += align_start;
4527 if (len32 < 4)
4528 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004529 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4530 return rc;
4531 }
4532
4533 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004534 align_end = 4 - (len32 & 3);
4535 len32 += align_end;
4536 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4537 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004538 }
4539
4540 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004541 align_buf = kmalloc(len32, GFP_KERNEL);
4542 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004543 return -ENOMEM;
4544 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004545 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004546 }
4547 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004548 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004549 }
Michael Chane6be7632007-01-08 19:56:13 -08004550 memcpy(align_buf + align_start, data_buf, buf_size);
4551 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004552 }
4553
Michael Chane30372c2007-07-16 18:26:23 -07004554 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004555 flash_buffer = kmalloc(264, GFP_KERNEL);
4556 if (flash_buffer == NULL) {
4557 rc = -ENOMEM;
4558 goto nvram_write_end;
4559 }
4560 }
4561
Michael Chanb6016b72005-05-26 13:03:09 -07004562 written = 0;
4563 while ((written < len32) && (rc == 0)) {
4564 u32 page_start, page_end, data_start, data_end;
4565 u32 addr, cmd_flags;
4566 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004567
4568 /* Find the page_start addr */
4569 page_start = offset32 + written;
4570 page_start -= (page_start % bp->flash_info->page_size);
4571 /* Find the page_end addr */
4572 page_end = page_start + bp->flash_info->page_size;
4573 /* Find the data_start addr */
4574 data_start = (written == 0) ? offset32 : page_start;
4575 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004576 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004577 (offset32 + len32) : page_end;
4578
4579 /* Request access to the flash interface. */
4580 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4581 goto nvram_write_end;
4582
4583 /* Enable access to flash interface */
4584 bnx2_enable_nvram_access(bp);
4585
4586 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004587 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004588 int j;
4589
4590 /* Read the whole page into the buffer
4591 * (non-buffer flash only) */
4592 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4593 if (j == (bp->flash_info->page_size - 4)) {
4594 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4595 }
4596 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004597 page_start + j,
4598 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004599 cmd_flags);
4600
4601 if (rc)
4602 goto nvram_write_end;
4603
4604 cmd_flags = 0;
4605 }
4606 }
4607
4608 /* Enable writes to flash interface (unlock write-protect) */
4609 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4610 goto nvram_write_end;
4611
Michael Chanb6016b72005-05-26 13:03:09 -07004612 /* Loop to write back the buffer data from page_start to
4613 * data_start */
4614 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004615 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004616 /* Erase the page */
4617 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4618 goto nvram_write_end;
4619
4620 /* Re-enable the write again for the actual write */
4621 bnx2_enable_nvram_write(bp);
4622
Michael Chanb6016b72005-05-26 13:03:09 -07004623 for (addr = page_start; addr < data_start;
4624 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004625
Michael Chanb6016b72005-05-26 13:03:09 -07004626 rc = bnx2_nvram_write_dword(bp, addr,
4627 &flash_buffer[i], cmd_flags);
4628
4629 if (rc != 0)
4630 goto nvram_write_end;
4631
4632 cmd_flags = 0;
4633 }
4634 }
4635
4636 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004637 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004638 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004639 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004640 (addr == data_end - 4))) {
4641
4642 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4643 }
4644 rc = bnx2_nvram_write_dword(bp, addr, buf,
4645 cmd_flags);
4646
4647 if (rc != 0)
4648 goto nvram_write_end;
4649
4650 cmd_flags = 0;
4651 buf += 4;
4652 }
4653
4654 /* Loop to write back the buffer data from data_end
4655 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004656 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004657 for (addr = data_end; addr < page_end;
4658 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004659
Michael Chanb6016b72005-05-26 13:03:09 -07004660 if (addr == page_end-4) {
4661 cmd_flags = BNX2_NVM_COMMAND_LAST;
4662 }
4663 rc = bnx2_nvram_write_dword(bp, addr,
4664 &flash_buffer[i], cmd_flags);
4665
4666 if (rc != 0)
4667 goto nvram_write_end;
4668
4669 cmd_flags = 0;
4670 }
4671 }
4672
4673 /* Disable writes to flash interface (lock write-protect) */
4674 bnx2_disable_nvram_write(bp);
4675
4676 /* Disable access to flash interface */
4677 bnx2_disable_nvram_access(bp);
4678 bnx2_release_nvram_lock(bp);
4679
4680 /* Increment written */
4681 written += data_end - data_start;
4682 }
4683
4684nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004685 kfree(flash_buffer);
4686 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004687 return rc;
4688}
4689
Michael Chan0d8a6572007-07-07 22:49:43 -07004690static void
Michael Chan7c62e832008-07-14 22:39:03 -07004691bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004692{
Michael Chan7c62e832008-07-14 22:39:03 -07004693 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004694
Michael Chan583c28e2008-01-21 19:51:35 -08004695 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004696 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4697
4698 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4699 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004700
Michael Chan2726d6e2008-01-29 21:35:05 -08004701 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004702 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4703 return;
4704
Michael Chan7c62e832008-07-14 22:39:03 -07004705 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4706 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4707 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4708 }
4709
4710 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4711 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4712 u32 link;
4713
Michael Chan583c28e2008-01-21 19:51:35 -08004714 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004715
Michael Chan7c62e832008-07-14 22:39:03 -07004716 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4717 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004718 bp->phy_port = PORT_FIBRE;
4719 else
4720 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004721
Michael Chan7c62e832008-07-14 22:39:03 -07004722 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4723 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004724 }
Michael Chan7c62e832008-07-14 22:39:03 -07004725
4726 if (netif_running(bp->dev) && sig)
4727 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004728}
4729
Michael Chanb4b36042007-12-20 19:59:30 -08004730static void
4731bnx2_setup_msix_tbl(struct bnx2 *bp)
4732{
Michael Chane503e062012-12-06 10:33:08 +00004733 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
Michael Chanb4b36042007-12-20 19:59:30 -08004734
Michael Chane503e062012-12-06 10:33:08 +00004735 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4736 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
Michael Chanb4b36042007-12-20 19:59:30 -08004737}
4738
Michael Chanb6016b72005-05-26 13:03:09 -07004739static int
4740bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4741{
4742 u32 val;
4743 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004744 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004745
4746 /* Wait for the current PCI transaction to complete before
4747 * issuing a reset. */
Michael Chan4ce45e02012-12-06 10:33:10 +00004748 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
4749 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
Michael Chane503e062012-12-06 10:33:08 +00004750 BNX2_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4751 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4752 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4753 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4754 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4755 val = BNX2_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
Eddie Waia5dac102010-11-24 13:48:54 +00004756 udelay(5);
4757 } else { /* 5709 */
Michael Chane503e062012-12-06 10:33:08 +00004758 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
Eddie Waia5dac102010-11-24 13:48:54 +00004759 val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
Michael Chane503e062012-12-06 10:33:08 +00004760 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4761 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
Eddie Waia5dac102010-11-24 13:48:54 +00004762
4763 for (i = 0; i < 100; i++) {
4764 msleep(1);
Michael Chane503e062012-12-06 10:33:08 +00004765 val = BNX2_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
Eddie Waia5dac102010-11-24 13:48:54 +00004766 if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
4767 break;
4768 }
4769 }
Michael Chanb6016b72005-05-26 13:03:09 -07004770
Michael Chanb090ae22006-01-23 16:07:10 -08004771 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004772 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004773
Michael Chanb6016b72005-05-26 13:03:09 -07004774 /* Deposit a driver reset signature so the firmware knows that
4775 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004776 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4777 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004778
Michael Chanb6016b72005-05-26 13:03:09 -07004779 /* Do a dummy read to force the chip to complete all current transaction
4780 * before we issue a reset. */
Michael Chane503e062012-12-06 10:33:08 +00004781 val = BNX2_RD(bp, BNX2_MISC_ID);
Michael Chanb6016b72005-05-26 13:03:09 -07004782
Michael Chan4ce45e02012-12-06 10:33:10 +00004783 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane503e062012-12-06 10:33:08 +00004784 BNX2_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4785 BNX2_RD(bp, BNX2_MISC_COMMAND);
Michael Chan234754d2006-11-19 14:11:41 -08004786 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004787
Michael Chan234754d2006-11-19 14:11:41 -08004788 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4789 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004790
Michael Chane503e062012-12-06 10:33:08 +00004791 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004792
Michael Chan234754d2006-11-19 14:11:41 -08004793 } else {
4794 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4795 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4796 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4797
4798 /* Chip reset. */
Michael Chane503e062012-12-06 10:33:08 +00004799 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chan234754d2006-11-19 14:11:41 -08004800
Michael Chan594a9df2007-08-28 15:39:42 -07004801 /* Reading back any register after chip reset will hang the
4802 * bus on 5706 A0 and A1. The msleep below provides plenty
4803 * of margin for write posting.
4804 */
Michael Chan4ce45e02012-12-06 10:33:10 +00004805 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4806 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1))
Arjan van de Ven8e545882007-08-28 14:34:43 -07004807 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004808
Michael Chan234754d2006-11-19 14:11:41 -08004809 /* Reset takes approximate 30 usec */
4810 for (i = 0; i < 10; i++) {
Michael Chane503e062012-12-06 10:33:08 +00004811 val = BNX2_RD(bp, BNX2_PCICFG_MISC_CONFIG);
Michael Chan234754d2006-11-19 14:11:41 -08004812 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4813 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4814 break;
4815 udelay(10);
4816 }
4817
4818 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4819 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004820 pr_err("Chip reset did not complete\n");
Michael Chan234754d2006-11-19 14:11:41 -08004821 return -EBUSY;
4822 }
Michael Chanb6016b72005-05-26 13:03:09 -07004823 }
4824
4825 /* Make sure byte swapping is properly configured. */
Michael Chane503e062012-12-06 10:33:08 +00004826 val = BNX2_RD(bp, BNX2_PCI_SWAP_DIAG0);
Michael Chanb6016b72005-05-26 13:03:09 -07004827 if (val != 0x01020304) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004828 pr_err("Chip not in correct endian mode\n");
Michael Chanb6016b72005-05-26 13:03:09 -07004829 return -ENODEV;
4830 }
4831
Michael Chanb6016b72005-05-26 13:03:09 -07004832 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004833 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004834 if (rc)
4835 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004836
Michael Chan0d8a6572007-07-07 22:49:43 -07004837 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004838 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004839 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004840 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4841 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004842 bnx2_set_default_remote_link(bp);
4843 spin_unlock_bh(&bp->phy_lock);
4844
Michael Chan4ce45e02012-12-06 10:33:10 +00004845 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chanb6016b72005-05-26 13:03:09 -07004846 /* Adjust the voltage regular to two steps lower. The default
4847 * of this register is 0x0000000e. */
Michael Chane503e062012-12-06 10:33:08 +00004848 BNX2_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
Michael Chanb6016b72005-05-26 13:03:09 -07004849
4850 /* Remove bad rbuf memory from the free pool. */
4851 rc = bnx2_alloc_bad_rbuf(bp);
4852 }
4853
Michael Chanc441b8d2010-04-27 11:28:09 +00004854 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanb4b36042007-12-20 19:59:30 -08004855 bnx2_setup_msix_tbl(bp);
Michael Chanc441b8d2010-04-27 11:28:09 +00004856 /* Prevent MSIX table reads and write from timing out */
Michael Chane503e062012-12-06 10:33:08 +00004857 BNX2_WR(bp, BNX2_MISC_ECO_HW_CTL,
Michael Chanc441b8d2010-04-27 11:28:09 +00004858 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4859 }
Michael Chanb4b36042007-12-20 19:59:30 -08004860
Michael Chanb6016b72005-05-26 13:03:09 -07004861 return rc;
4862}
4863
4864static int
4865bnx2_init_chip(struct bnx2 *bp)
4866{
Michael Chand8026d92008-11-12 16:02:20 -08004867 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004868 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004869
4870 /* Make sure the interrupt is not active. */
Michael Chane503e062012-12-06 10:33:08 +00004871 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
Michael Chanb6016b72005-05-26 13:03:09 -07004872
4873 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4874 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4875#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004876 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004877#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004878 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004879 DMA_READ_CHANS << 12 |
4880 DMA_WRITE_CHANS << 16;
4881
4882 val |= (0x2 << 20) | (1 << 11);
4883
David S. Millerf86e82f2008-01-21 17:15:40 -08004884 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004885 val |= (1 << 23);
4886
Michael Chan4ce45e02012-12-06 10:33:10 +00004887 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) &&
4888 (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0) &&
4889 !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004890 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4891
Michael Chane503e062012-12-06 10:33:08 +00004892 BNX2_WR(bp, BNX2_DMA_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004893
Michael Chan4ce45e02012-12-06 10:33:10 +00004894 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chane503e062012-12-06 10:33:08 +00004895 val = BNX2_RD(bp, BNX2_TDMA_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004896 val |= BNX2_TDMA_CONFIG_ONE_DMA;
Michael Chane503e062012-12-06 10:33:08 +00004897 BNX2_WR(bp, BNX2_TDMA_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004898 }
4899
David S. Millerf86e82f2008-01-21 17:15:40 -08004900 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004901 u16 val16;
4902
4903 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4904 &val16);
4905 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4906 val16 & ~PCI_X_CMD_ERO);
4907 }
4908
Michael Chane503e062012-12-06 10:33:08 +00004909 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4910 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4911 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4912 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07004913
4914 /* Initialize context mapping and zero out the quick contexts. The
4915 * context block must have already been enabled. */
Michael Chan4ce45e02012-12-06 10:33:10 +00004916 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan641bdcd2007-06-04 21:22:24 -07004917 rc = bnx2_init_5709_context(bp);
4918 if (rc)
4919 return rc;
4920 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004921 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004922
Michael Chanfba9fe92006-06-12 22:21:25 -07004923 if ((rc = bnx2_init_cpus(bp)) != 0)
4924 return rc;
4925
Michael Chanb6016b72005-05-26 13:03:09 -07004926 bnx2_init_nvram(bp);
4927
Benjamin Li5fcaed02008-07-14 22:39:52 -07004928 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004929
Michael Chane503e062012-12-06 10:33:08 +00004930 val = BNX2_RD(bp, BNX2_MQ_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004931 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4932 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4ce45e02012-12-06 10:33:10 +00004933 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan4edd4732009-06-08 18:14:42 -07004934 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
Michael Chan4ce45e02012-12-06 10:33:10 +00004935 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
Michael Chan4edd4732009-06-08 18:14:42 -07004936 val |= BNX2_MQ_CONFIG_HALT_DIS;
4937 }
Michael Chan68c9f752007-04-24 15:35:53 -07004938
Michael Chane503e062012-12-06 10:33:08 +00004939 BNX2_WR(bp, BNX2_MQ_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004940
4941 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
Michael Chane503e062012-12-06 10:33:08 +00004942 BNX2_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4943 BNX2_WR(bp, BNX2_MQ_KNL_WIND_END, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004944
Michael Chan2bc40782012-12-06 10:33:09 +00004945 val = (BNX2_PAGE_BITS - 8) << 24;
Michael Chane503e062012-12-06 10:33:08 +00004946 BNX2_WR(bp, BNX2_RV2P_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004947
4948 /* Configure page size. */
Michael Chane503e062012-12-06 10:33:08 +00004949 val = BNX2_RD(bp, BNX2_TBDR_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004950 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
Michael Chan2bc40782012-12-06 10:33:09 +00004951 val |= (BNX2_PAGE_BITS - 8) << 24 | 0x40;
Michael Chane503e062012-12-06 10:33:08 +00004952 BNX2_WR(bp, BNX2_TBDR_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004953
4954 val = bp->mac_addr[0] +
4955 (bp->mac_addr[1] << 8) +
4956 (bp->mac_addr[2] << 16) +
4957 bp->mac_addr[3] +
4958 (bp->mac_addr[4] << 8) +
4959 (bp->mac_addr[5] << 16);
Michael Chane503e062012-12-06 10:33:08 +00004960 BNX2_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004961
4962 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004963 mtu = bp->dev->mtu;
4964 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004965 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4966 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
Michael Chane503e062012-12-06 10:33:08 +00004967 BNX2_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004968
Michael Chand8026d92008-11-12 16:02:20 -08004969 if (mtu < 1500)
4970 mtu = 1500;
4971
4972 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4973 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4974 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4975
Michael Chan155d5562009-08-21 16:20:43 +00004976 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004977 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4978 bp->bnx2_napi[i].last_status_idx = 0;
4979
Michael Chanefba0182008-12-03 00:36:15 -08004980 bp->idle_chk_status_idx = 0xffff;
4981
Michael Chanb6016b72005-05-26 13:03:09 -07004982 bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
4983
4984 /* Set up how to generate a link change interrupt. */
Michael Chane503e062012-12-06 10:33:08 +00004985 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
Michael Chanb6016b72005-05-26 13:03:09 -07004986
Michael Chane503e062012-12-06 10:33:08 +00004987 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_L,
4988 (u64) bp->status_blk_mapping & 0xffffffff);
4989 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
Michael Chanb6016b72005-05-26 13:03:09 -07004990
Michael Chane503e062012-12-06 10:33:08 +00004991 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4992 (u64) bp->stats_blk_mapping & 0xffffffff);
4993 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4994 (u64) bp->stats_blk_mapping >> 32);
Michael Chanb6016b72005-05-26 13:03:09 -07004995
Michael Chane503e062012-12-06 10:33:08 +00004996 BNX2_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
4997 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
Michael Chanb6016b72005-05-26 13:03:09 -07004998
Michael Chane503e062012-12-06 10:33:08 +00004999 BNX2_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
5000 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
Michael Chanb6016b72005-05-26 13:03:09 -07005001
Michael Chane503e062012-12-06 10:33:08 +00005002 BNX2_WR(bp, BNX2_HC_COMP_PROD_TRIP,
5003 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
Michael Chanb6016b72005-05-26 13:03:09 -07005004
Michael Chane503e062012-12-06 10:33:08 +00005005 BNX2_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005006
Michael Chane503e062012-12-06 10:33:08 +00005007 BNX2_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005008
Michael Chane503e062012-12-06 10:33:08 +00005009 BNX2_WR(bp, BNX2_HC_COM_TICKS,
5010 (bp->com_ticks_int << 16) | bp->com_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005011
Michael Chane503e062012-12-06 10:33:08 +00005012 BNX2_WR(bp, BNX2_HC_CMD_TICKS,
5013 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005014
Michael Chan61d9e3f2009-08-21 16:20:46 +00005015 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chane503e062012-12-06 10:33:08 +00005016 BNX2_WR(bp, BNX2_HC_STATS_TICKS, 0);
Michael Chan02537b062007-06-04 21:24:07 -07005017 else
Michael Chane503e062012-12-06 10:33:08 +00005018 BNX2_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
5019 BNX2_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
Michael Chanb6016b72005-05-26 13:03:09 -07005020
Michael Chan4ce45e02012-12-06 10:33:10 +00005021 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07005022 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07005023 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07005024 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
5025 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07005026 }
5027
Michael Chanefde73a2010-02-15 19:42:07 +00005028 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chane503e062012-12-06 10:33:08 +00005029 BNX2_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
5030 BNX2_HC_MSIX_BIT_VECTOR_VAL);
Michael Chanc76c0472007-12-20 20:01:19 -08005031
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005032 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
5033 }
5034
5035 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00005036 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005037
Michael Chane503e062012-12-06 10:33:08 +00005038 BNX2_WR(bp, BNX2_HC_CONFIG, val);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005039
Michael Chan22fa1592010-10-11 16:12:00 -07005040 if (bp->rx_ticks < 25)
5041 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
5042 else
5043 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
5044
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005045 for (i = 1; i < bp->irq_nvecs; i++) {
5046 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
5047 BNX2_HC_SB_CONFIG_1;
5048
Michael Chane503e062012-12-06 10:33:08 +00005049 BNX2_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08005050 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005051 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08005052 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
5053
Michael Chane503e062012-12-06 10:33:08 +00005054 BNX2_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08005055 (bp->tx_quick_cons_trip_int << 16) |
5056 bp->tx_quick_cons_trip);
5057
Michael Chane503e062012-12-06 10:33:08 +00005058 BNX2_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08005059 (bp->tx_ticks_int << 16) | bp->tx_ticks);
5060
Michael Chane503e062012-12-06 10:33:08 +00005061 BNX2_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
5062 (bp->rx_quick_cons_trip_int << 16) |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005063 bp->rx_quick_cons_trip);
5064
Michael Chane503e062012-12-06 10:33:08 +00005065 BNX2_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005066 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08005067 }
5068
Michael Chanb6016b72005-05-26 13:03:09 -07005069 /* Clear internal stats counters. */
Michael Chane503e062012-12-06 10:33:08 +00005070 BNX2_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005071
Michael Chane503e062012-12-06 10:33:08 +00005072 BNX2_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07005073
5074 /* Initialize the receive filter. */
5075 bnx2_set_rx_mode(bp->dev);
5076
Michael Chan4ce45e02012-12-06 10:33:10 +00005077 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane503e062012-12-06 10:33:08 +00005078 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
Michael Chan0aa38df2007-06-04 21:23:06 -07005079 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
Michael Chane503e062012-12-06 10:33:08 +00005080 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
Michael Chan0aa38df2007-06-04 21:23:06 -07005081 }
Michael Chanb090ae22006-01-23 16:07:10 -08005082 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07005083 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07005084
Michael Chane503e062012-12-06 10:33:08 +00005085 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
5086 BNX2_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
Michael Chanb6016b72005-05-26 13:03:09 -07005087
5088 udelay(20);
5089
Michael Chane503e062012-12-06 10:33:08 +00005090 bp->hc_cmd = BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanbf5295b2006-03-23 01:11:56 -08005091
Michael Chanb090ae22006-01-23 16:07:10 -08005092 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07005093}
5094
Michael Chan59b47d82006-11-19 14:10:45 -08005095static void
Michael Chanc76c0472007-12-20 20:01:19 -08005096bnx2_clear_ring_states(struct bnx2 *bp)
5097{
5098 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005099 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005100 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08005101 int i;
5102
5103 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5104 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07005105 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005106 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005107
Michael Chan35e90102008-06-19 16:37:42 -07005108 txr->tx_cons = 0;
5109 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005110 rxr->rx_prod_bseq = 0;
5111 rxr->rx_prod = 0;
5112 rxr->rx_cons = 0;
5113 rxr->rx_pg_prod = 0;
5114 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005115 }
5116}
5117
5118static void
Michael Chan35e90102008-06-19 16:37:42 -07005119bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005120{
5121 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005122 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005123
Michael Chan4ce45e02012-12-06 10:33:10 +00005124 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan59b47d82006-11-19 14:10:45 -08005125 offset0 = BNX2_L2CTX_TYPE_XI;
5126 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5127 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5128 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5129 } else {
5130 offset0 = BNX2_L2CTX_TYPE;
5131 offset1 = BNX2_L2CTX_CMD_TYPE;
5132 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5133 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5134 }
5135 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005136 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005137
5138 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005139 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005140
Michael Chan35e90102008-06-19 16:37:42 -07005141 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005142 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005143
Michael Chan35e90102008-06-19 16:37:42 -07005144 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005145 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005146}
Michael Chanb6016b72005-05-26 13:03:09 -07005147
5148static void
Michael Chan35e90102008-06-19 16:37:42 -07005149bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005150{
Michael Chan2bc40782012-12-06 10:33:09 +00005151 struct bnx2_tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005152 u32 cid = TX_CID;
5153 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005154 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005155
Michael Chan35e90102008-06-19 16:37:42 -07005156 bnapi = &bp->bnx2_napi[ring_num];
5157 txr = &bnapi->tx_ring;
5158
5159 if (ring_num == 0)
5160 cid = TX_CID;
5161 else
5162 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005163
Michael Chan2f8af122006-08-15 01:39:10 -07005164 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5165
Michael Chan2bc40782012-12-06 10:33:09 +00005166 txbd = &txr->tx_desc_ring[BNX2_MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005167
Michael Chan35e90102008-06-19 16:37:42 -07005168 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5169 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005170
Michael Chan35e90102008-06-19 16:37:42 -07005171 txr->tx_prod = 0;
5172 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005173
Michael Chan35e90102008-06-19 16:37:42 -07005174 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5175 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005176
Michael Chan35e90102008-06-19 16:37:42 -07005177 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005178}
5179
5180static void
Michael Chan2bc40782012-12-06 10:33:09 +00005181bnx2_init_rxbd_rings(struct bnx2_rx_bd *rx_ring[], dma_addr_t dma[],
5182 u32 buf_size, int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005183{
Michael Chanb6016b72005-05-26 13:03:09 -07005184 int i;
Michael Chan2bc40782012-12-06 10:33:09 +00005185 struct bnx2_rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005186
Michael Chan5d5d0012007-12-12 11:17:43 -08005187 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005188 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005189
Michael Chan5d5d0012007-12-12 11:17:43 -08005190 rxbd = &rx_ring[i][0];
Michael Chan2bc40782012-12-06 10:33:09 +00005191 for (j = 0; j < BNX2_MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005192 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005193 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5194 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005195 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005196 j = 0;
5197 else
5198 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005199 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5200 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005201 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005202}
5203
5204static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005205bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005206{
5207 int i;
5208 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005209 u32 cid, rx_cid_addr, val;
5210 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5211 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005212
Michael Chanbb4f98a2008-06-19 16:38:19 -07005213 if (ring_num == 0)
5214 cid = RX_CID;
5215 else
5216 cid = RX_RSS_CID + ring_num - 1;
5217
5218 rx_cid_addr = GET_CID_ADDR(cid);
5219
5220 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005221 bp->rx_buf_use_size, bp->rx_max_ring);
5222
Michael Chanbb4f98a2008-06-19 16:38:19 -07005223 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005224
Michael Chan4ce45e02012-12-06 10:33:10 +00005225 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane503e062012-12-06 10:33:08 +00005226 val = BNX2_RD(bp, BNX2_MQ_MAP_L2_5);
5227 BNX2_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
Michael Chan83e3fc82008-01-29 21:37:17 -08005228 }
5229
Michael Chan62a83132008-01-29 21:35:40 -08005230 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005231 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005232 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5233 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005234 PAGE_SIZE, bp->rx_max_pg_ring);
5235 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005236 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5237 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005238 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005239
Michael Chanbb4f98a2008-06-19 16:38:19 -07005240 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005241 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005242
Michael Chanbb4f98a2008-06-19 16:38:19 -07005243 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005244 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005245
Michael Chan4ce45e02012-12-06 10:33:10 +00005246 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chane503e062012-12-06 10:33:08 +00005247 BNX2_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
Michael Chan47bf4242007-12-12 11:19:12 -08005248 }
Michael Chanb6016b72005-05-26 13:03:09 -07005249
Michael Chanbb4f98a2008-06-19 16:38:19 -07005250 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005251 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005252
Michael Chanbb4f98a2008-06-19 16:38:19 -07005253 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005254 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005255
Michael Chanbb4f98a2008-06-19 16:38:19 -07005256 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005257 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00005258 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005259 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5260 ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005261 break;
Michael Chanb929e532009-12-03 09:46:33 +00005262 }
Michael Chan2bc40782012-12-06 10:33:09 +00005263 prod = BNX2_NEXT_RX_BD(prod);
5264 ring_prod = BNX2_RX_PG_RING_IDX(prod);
Michael Chan47bf4242007-12-12 11:19:12 -08005265 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005266 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005267
Michael Chanbb4f98a2008-06-19 16:38:19 -07005268 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005269 for (i = 0; i < bp->rx_ring_size; i++) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005270 if (bnx2_alloc_rx_data(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005271 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5272 ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005273 break;
Michael Chanb929e532009-12-03 09:46:33 +00005274 }
Michael Chan2bc40782012-12-06 10:33:09 +00005275 prod = BNX2_NEXT_RX_BD(prod);
5276 ring_prod = BNX2_RX_RING_IDX(prod);
Michael Chanb6016b72005-05-26 13:03:09 -07005277 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005278 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005279
Michael Chanbb4f98a2008-06-19 16:38:19 -07005280 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5281 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5282 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005283
Michael Chane503e062012-12-06 10:33:08 +00005284 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5285 BNX2_WR16(bp, rxr->rx_bidx_addr, prod);
Michael Chanbb4f98a2008-06-19 16:38:19 -07005286
Michael Chane503e062012-12-06 10:33:08 +00005287 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005288}
5289
Michael Chan35e90102008-06-19 16:37:42 -07005290static void
5291bnx2_init_all_rings(struct bnx2 *bp)
5292{
5293 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005294 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005295
5296 bnx2_clear_ring_states(bp);
5297
Michael Chane503e062012-12-06 10:33:08 +00005298 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, 0);
Michael Chan35e90102008-06-19 16:37:42 -07005299 for (i = 0; i < bp->num_tx_rings; i++)
5300 bnx2_init_tx_ring(bp, i);
5301
5302 if (bp->num_tx_rings > 1)
Michael Chane503e062012-12-06 10:33:08 +00005303 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5304 (TX_TSS_CID << 7));
Michael Chan35e90102008-06-19 16:37:42 -07005305
Michael Chane503e062012-12-06 10:33:08 +00005306 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005307 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5308
Michael Chanbb4f98a2008-06-19 16:38:19 -07005309 for (i = 0; i < bp->num_rx_rings; i++)
5310 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005311
5312 if (bp->num_rx_rings > 1) {
Michael Chan22fa1592010-10-11 16:12:00 -07005313 u32 tbl_32 = 0;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005314
5315 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
Michael Chan22fa1592010-10-11 16:12:00 -07005316 int shift = (i % 8) << 2;
5317
5318 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
5319 if ((i % 8) == 7) {
Michael Chane503e062012-12-06 10:33:08 +00005320 BNX2_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
5321 BNX2_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
Michael Chan22fa1592010-10-11 16:12:00 -07005322 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
5323 BNX2_RLUP_RSS_COMMAND_WRITE |
5324 BNX2_RLUP_RSS_COMMAND_HASH_MASK);
5325 tbl_32 = 0;
5326 }
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005327 }
5328
5329 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5330 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5331
Michael Chane503e062012-12-06 10:33:08 +00005332 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005333
5334 }
Michael Chan35e90102008-06-19 16:37:42 -07005335}
5336
Michael Chan5d5d0012007-12-12 11:17:43 -08005337static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005338{
Michael Chan5d5d0012007-12-12 11:17:43 -08005339 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005340
Michael Chan2bc40782012-12-06 10:33:09 +00005341 while (ring_size > BNX2_MAX_RX_DESC_CNT) {
5342 ring_size -= BNX2_MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005343 num_rings++;
5344 }
5345 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005346 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005347 while ((max & num_rings) == 0)
5348 max >>= 1;
5349
5350 if (num_rings != max)
5351 max <<= 1;
5352
Michael Chan5d5d0012007-12-12 11:17:43 -08005353 return max;
5354}
5355
5356static void
5357bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5358{
Michael Chan84eaa182007-12-12 11:19:57 -08005359 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005360
5361 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005362 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005363
Michael Chan84eaa182007-12-12 11:19:57 -08005364 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005365 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
Michael Chan84eaa182007-12-12 11:19:57 -08005366
Benjamin Li601d3d12008-05-16 22:19:35 -07005367 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005368 bp->rx_pg_ring_size = 0;
5369 bp->rx_max_pg_ring = 0;
5370 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005371 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005372 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5373
5374 jumbo_size = size * pages;
Michael Chan2bc40782012-12-06 10:33:09 +00005375 if (jumbo_size > BNX2_MAX_TOTAL_RX_PG_DESC_CNT)
5376 jumbo_size = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chan84eaa182007-12-12 11:19:57 -08005377
5378 bp->rx_pg_ring_size = jumbo_size;
5379 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
Michael Chan2bc40782012-12-06 10:33:09 +00005380 BNX2_MAX_RX_PG_RINGS);
5381 bp->rx_max_pg_ring_idx =
5382 (bp->rx_max_pg_ring * BNX2_RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005383 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005384 bp->rx_copy_thresh = 0;
5385 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005386
5387 bp->rx_buf_use_size = rx_size;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005388 /* hw alignment + build_skb() overhead*/
5389 bp->rx_buf_size = SKB_DATA_ALIGN(bp->rx_buf_use_size + BNX2_RX_ALIGN) +
5390 NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005391 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005392 bp->rx_ring_size = size;
Michael Chan2bc40782012-12-06 10:33:09 +00005393 bp->rx_max_ring = bnx2_find_max_ring(size, BNX2_MAX_RX_RINGS);
5394 bp->rx_max_ring_idx = (bp->rx_max_ring * BNX2_RX_DESC_CNT) - 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005395}
5396
5397static void
Michael Chanb6016b72005-05-26 13:03:09 -07005398bnx2_free_tx_skbs(struct bnx2 *bp)
5399{
5400 int i;
5401
Michael Chan35e90102008-06-19 16:37:42 -07005402 for (i = 0; i < bp->num_tx_rings; i++) {
5403 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5404 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5405 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005406
Michael Chan35e90102008-06-19 16:37:42 -07005407 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005408 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005409
Michael Chan2bc40782012-12-06 10:33:09 +00005410 for (j = 0; j < BNX2_TX_DESC_CNT; ) {
5411 struct bnx2_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005412 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005413 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005414
5415 if (skb == NULL) {
Michael Chan2bc40782012-12-06 10:33:09 +00005416 j = BNX2_NEXT_TX_BD(j);
Michael Chan35e90102008-06-19 16:37:42 -07005417 continue;
5418 }
5419
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005420 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005421 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005422 skb_headlen(skb),
5423 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005424
Michael Chan35e90102008-06-19 16:37:42 -07005425 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005426
Alexander Duycke95524a2009-12-02 16:47:57 +00005427 last = tx_buf->nr_frags;
Michael Chan2bc40782012-12-06 10:33:09 +00005428 j = BNX2_NEXT_TX_BD(j);
5429 for (k = 0; k < last; k++, j = BNX2_NEXT_TX_BD(j)) {
5430 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(j)];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005431 dma_unmap_page(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005432 dma_unmap_addr(tx_buf, mapping),
Eric Dumazet9e903e02011-10-18 21:00:24 +00005433 skb_frag_size(&skb_shinfo(skb)->frags[k]),
Alexander Duycke95524a2009-12-02 16:47:57 +00005434 PCI_DMA_TODEVICE);
5435 }
Michael Chan35e90102008-06-19 16:37:42 -07005436 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005437 }
Eric Dumazete9831902011-11-29 11:53:05 +00005438 netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
Michael Chanb6016b72005-05-26 13:03:09 -07005439 }
Michael Chanb6016b72005-05-26 13:03:09 -07005440}
5441
5442static void
5443bnx2_free_rx_skbs(struct bnx2 *bp)
5444{
5445 int i;
5446
Michael Chanbb4f98a2008-06-19 16:38:19 -07005447 for (i = 0; i < bp->num_rx_rings; i++) {
5448 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5449 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5450 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005451
Michael Chanbb4f98a2008-06-19 16:38:19 -07005452 if (rxr->rx_buf_ring == NULL)
5453 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005454
Michael Chanbb4f98a2008-06-19 16:38:19 -07005455 for (j = 0; j < bp->rx_max_ring_idx; j++) {
Michael Chan2bc40782012-12-06 10:33:09 +00005456 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[j];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005457 u8 *data = rx_buf->data;
Michael Chanb6016b72005-05-26 13:03:09 -07005458
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005459 if (data == NULL)
Michael Chanbb4f98a2008-06-19 16:38:19 -07005460 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005461
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005462 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005463 dma_unmap_addr(rx_buf, mapping),
Michael Chanbb4f98a2008-06-19 16:38:19 -07005464 bp->rx_buf_use_size,
5465 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005466
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005467 rx_buf->data = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005468
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005469 kfree(data);
Michael Chanbb4f98a2008-06-19 16:38:19 -07005470 }
5471 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5472 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005473 }
5474}
5475
5476static void
5477bnx2_free_skbs(struct bnx2 *bp)
5478{
5479 bnx2_free_tx_skbs(bp);
5480 bnx2_free_rx_skbs(bp);
5481}
5482
5483static int
5484bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5485{
5486 int rc;
5487
5488 rc = bnx2_reset_chip(bp, reset_code);
5489 bnx2_free_skbs(bp);
5490 if (rc)
5491 return rc;
5492
Michael Chanfba9fe92006-06-12 22:21:25 -07005493 if ((rc = bnx2_init_chip(bp)) != 0)
5494 return rc;
5495
Michael Chan35e90102008-06-19 16:37:42 -07005496 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005497 return 0;
5498}
5499
5500static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005501bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005502{
5503 int rc;
5504
5505 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5506 return rc;
5507
Michael Chan80be4432006-11-19 14:07:28 -08005508 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005509 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005510 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005511 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5512 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005513 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005514 return 0;
5515}
5516
5517static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005518bnx2_shutdown_chip(struct bnx2 *bp)
5519{
5520 u32 reset_code;
5521
5522 if (bp->flags & BNX2_FLAG_NO_WOL)
5523 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5524 else if (bp->wol)
5525 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5526 else
5527 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5528
5529 return bnx2_reset_chip(bp, reset_code);
5530}
5531
5532static int
Michael Chanb6016b72005-05-26 13:03:09 -07005533bnx2_test_registers(struct bnx2 *bp)
5534{
5535 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005536 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005537 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005538 u16 offset;
5539 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005540#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005541 u32 rw_mask;
5542 u32 ro_mask;
5543 } reg_tbl[] = {
5544 { 0x006c, 0, 0x00000000, 0x0000003f },
5545 { 0x0090, 0, 0xffffffff, 0x00000000 },
5546 { 0x0094, 0, 0x00000000, 0x00000000 },
5547
Michael Chan5bae30c2007-05-03 13:18:46 -07005548 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5549 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5550 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5551 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5552 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5553 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5554 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5555 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5556 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005557
Michael Chan5bae30c2007-05-03 13:18:46 -07005558 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5559 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5560 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5561 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5562 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5563 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005564
Michael Chan5bae30c2007-05-03 13:18:46 -07005565 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5566 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5567 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005568
5569 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005570 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005571
5572 { 0x1408, 0, 0x01c00800, 0x00000000 },
5573 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5574 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005575 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005576 { 0x14b0, 0, 0x00000002, 0x00000001 },
5577 { 0x14b8, 0, 0x00000000, 0x00000000 },
5578 { 0x14c0, 0, 0x00000000, 0x00000009 },
5579 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5580 { 0x14cc, 0, 0x00000000, 0x00000001 },
5581 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005582
5583 { 0x1800, 0, 0x00000000, 0x00000001 },
5584 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005585
5586 { 0x2800, 0, 0x00000000, 0x00000001 },
5587 { 0x2804, 0, 0x00000000, 0x00003f01 },
5588 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5589 { 0x2810, 0, 0xffff0000, 0x00000000 },
5590 { 0x2814, 0, 0xffff0000, 0x00000000 },
5591 { 0x2818, 0, 0xffff0000, 0x00000000 },
5592 { 0x281c, 0, 0xffff0000, 0x00000000 },
5593 { 0x2834, 0, 0xffffffff, 0x00000000 },
5594 { 0x2840, 0, 0x00000000, 0xffffffff },
5595 { 0x2844, 0, 0x00000000, 0xffffffff },
5596 { 0x2848, 0, 0xffffffff, 0x00000000 },
5597 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5598
5599 { 0x2c00, 0, 0x00000000, 0x00000011 },
5600 { 0x2c04, 0, 0x00000000, 0x00030007 },
5601
Michael Chanb6016b72005-05-26 13:03:09 -07005602 { 0x3c00, 0, 0x00000000, 0x00000001 },
5603 { 0x3c04, 0, 0x00000000, 0x00070000 },
5604 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5605 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5606 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5607 { 0x3c14, 0, 0x00000000, 0xffffffff },
5608 { 0x3c18, 0, 0x00000000, 0xffffffff },
5609 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5610 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005611
5612 { 0x5004, 0, 0x00000000, 0x0000007f },
5613 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005614
Michael Chanb6016b72005-05-26 13:03:09 -07005615 { 0x5c00, 0, 0x00000000, 0x00000001 },
5616 { 0x5c04, 0, 0x00000000, 0x0003000f },
5617 { 0x5c08, 0, 0x00000003, 0x00000000 },
5618 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5619 { 0x5c10, 0, 0x00000000, 0xffffffff },
5620 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5621 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5622 { 0x5c88, 0, 0x00000000, 0x00077373 },
5623 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5624
5625 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5626 { 0x680c, 0, 0xffffffff, 0x00000000 },
5627 { 0x6810, 0, 0xffffffff, 0x00000000 },
5628 { 0x6814, 0, 0xffffffff, 0x00000000 },
5629 { 0x6818, 0, 0xffffffff, 0x00000000 },
5630 { 0x681c, 0, 0xffffffff, 0x00000000 },
5631 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5632 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5633 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5634 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5635 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5636 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5637 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5638 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5639 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5640 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5641 { 0x684c, 0, 0xffffffff, 0x00000000 },
5642 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5643 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5644 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5645 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5646 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5647 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5648
5649 { 0xffff, 0, 0x00000000, 0x00000000 },
5650 };
5651
5652 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005653 is_5709 = 0;
Michael Chan4ce45e02012-12-06 10:33:10 +00005654 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan5bae30c2007-05-03 13:18:46 -07005655 is_5709 = 1;
5656
Michael Chanb6016b72005-05-26 13:03:09 -07005657 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5658 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005659 u16 flags = reg_tbl[i].flags;
5660
5661 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5662 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005663
5664 offset = (u32) reg_tbl[i].offset;
5665 rw_mask = reg_tbl[i].rw_mask;
5666 ro_mask = reg_tbl[i].ro_mask;
5667
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005668 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005669
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005670 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005671
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005672 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005673 if ((val & rw_mask) != 0) {
5674 goto reg_test_err;
5675 }
5676
5677 if ((val & ro_mask) != (save_val & ro_mask)) {
5678 goto reg_test_err;
5679 }
5680
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005681 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005682
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005683 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005684 if ((val & rw_mask) != rw_mask) {
5685 goto reg_test_err;
5686 }
5687
5688 if ((val & ro_mask) != (save_val & ro_mask)) {
5689 goto reg_test_err;
5690 }
5691
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005692 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005693 continue;
5694
5695reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005696 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005697 ret = -ENODEV;
5698 break;
5699 }
5700 return ret;
5701}
5702
5703static int
5704bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5705{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005706 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005707 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5708 int i;
5709
5710 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5711 u32 offset;
5712
5713 for (offset = 0; offset < size; offset += 4) {
5714
Michael Chan2726d6e2008-01-29 21:35:05 -08005715 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005716
Michael Chan2726d6e2008-01-29 21:35:05 -08005717 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005718 test_pattern[i]) {
5719 return -ENODEV;
5720 }
5721 }
5722 }
5723 return 0;
5724}
5725
5726static int
5727bnx2_test_memory(struct bnx2 *bp)
5728{
5729 int ret = 0;
5730 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005731 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005732 u32 offset;
5733 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005734 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005735 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005736 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005737 { 0xe0000, 0x4000 },
5738 { 0x120000, 0x4000 },
5739 { 0x1a0000, 0x4000 },
5740 { 0x160000, 0x4000 },
5741 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005742 },
5743 mem_tbl_5709[] = {
5744 { 0x60000, 0x4000 },
5745 { 0xa0000, 0x3000 },
5746 { 0xe0000, 0x4000 },
5747 { 0x120000, 0x4000 },
5748 { 0x1a0000, 0x4000 },
5749 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005750 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005751 struct mem_entry *mem_tbl;
5752
Michael Chan4ce45e02012-12-06 10:33:10 +00005753 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan5bae30c2007-05-03 13:18:46 -07005754 mem_tbl = mem_tbl_5709;
5755 else
5756 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005757
5758 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5759 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5760 mem_tbl[i].len)) != 0) {
5761 return ret;
5762 }
5763 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005764
Michael Chanb6016b72005-05-26 13:03:09 -07005765 return ret;
5766}
5767
Michael Chanbc5a0692006-01-23 16:13:22 -08005768#define BNX2_MAC_LOOPBACK 0
5769#define BNX2_PHY_LOOPBACK 1
5770
Michael Chanb6016b72005-05-26 13:03:09 -07005771static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005772bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005773{
5774 unsigned int pkt_size, num_pkts, i;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005775 struct sk_buff *skb;
5776 u8 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07005777 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005778 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005779 dma_addr_t map;
Michael Chan2bc40782012-12-06 10:33:09 +00005780 struct bnx2_tx_bd *txbd;
5781 struct bnx2_sw_bd *rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07005782 struct l2_fhdr *rx_hdr;
5783 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005784 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005785 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005786 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005787
5788 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005789
Michael Chan35e90102008-06-19 16:37:42 -07005790 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005791 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005792 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5793 bp->loopback = MAC_LOOPBACK;
5794 bnx2_set_mac_loopback(bp);
5795 }
5796 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005797 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005798 return 0;
5799
Michael Chan80be4432006-11-19 14:07:28 -08005800 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005801 bnx2_set_phy_loopback(bp);
5802 }
5803 else
5804 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005805
Michael Chan84eaa182007-12-12 11:19:57 -08005806 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005807 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005808 if (!skb)
5809 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005810 packet = skb_put(skb, pkt_size);
Joe Perchesd458cdf2013-10-01 19:04:40 -07005811 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
5812 memset(packet + ETH_ALEN, 0x0, 8);
Michael Chanb6016b72005-05-26 13:03:09 -07005813 for (i = 14; i < pkt_size; i++)
5814 packet[i] = (unsigned char) (i & 0xff);
5815
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005816 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
5817 PCI_DMA_TODEVICE);
5818 if (dma_mapping_error(&bp->pdev->dev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005819 dev_kfree_skb(skb);
5820 return -EIO;
5821 }
Michael Chanb6016b72005-05-26 13:03:09 -07005822
Michael Chane503e062012-12-06 10:33:08 +00005823 BNX2_WR(bp, BNX2_HC_COMMAND,
5824 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
Michael Chanbf5295b2006-03-23 01:11:56 -08005825
Michael Chane503e062012-12-06 10:33:08 +00005826 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07005827
5828 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005829 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005830
Michael Chanb6016b72005-05-26 13:03:09 -07005831 num_pkts = 0;
5832
Michael Chan2bc40782012-12-06 10:33:09 +00005833 txbd = &txr->tx_desc_ring[BNX2_TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005834
5835 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5836 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5837 txbd->tx_bd_mss_nbytes = pkt_size;
5838 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5839
5840 num_pkts++;
Michael Chan2bc40782012-12-06 10:33:09 +00005841 txr->tx_prod = BNX2_NEXT_TX_BD(txr->tx_prod);
Michael Chan35e90102008-06-19 16:37:42 -07005842 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005843
Michael Chane503e062012-12-06 10:33:08 +00005844 BNX2_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5845 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005846
5847 udelay(100);
5848
Michael Chane503e062012-12-06 10:33:08 +00005849 BNX2_WR(bp, BNX2_HC_COMMAND,
5850 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
Michael Chanbf5295b2006-03-23 01:11:56 -08005851
Michael Chane503e062012-12-06 10:33:08 +00005852 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07005853
5854 udelay(5);
5855
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005856 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005857 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005858
Michael Chan35e90102008-06-19 16:37:42 -07005859 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005860 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005861
Michael Chan35efa7c2007-12-20 19:56:37 -08005862 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005863 if (rx_idx != rx_start_idx + num_pkts) {
5864 goto loopback_test_done;
5865 }
5866
Michael Chanbb4f98a2008-06-19 16:38:19 -07005867 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005868 data = rx_buf->data;
Michael Chanb6016b72005-05-26 13:03:09 -07005869
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005870 rx_hdr = get_l2_fhdr(data);
5871 data = (u8 *)rx_hdr + BNX2_RX_OFFSET;
Michael Chanb6016b72005-05-26 13:03:09 -07005872
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005873 dma_sync_single_for_cpu(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005874 dma_unmap_addr(rx_buf, mapping),
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005875 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005876
Michael Chanade2bfe2006-01-23 16:09:51 -08005877 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005878 (L2_FHDR_ERRORS_BAD_CRC |
5879 L2_FHDR_ERRORS_PHY_DECODE |
5880 L2_FHDR_ERRORS_ALIGNMENT |
5881 L2_FHDR_ERRORS_TOO_SHORT |
5882 L2_FHDR_ERRORS_GIANT_FRAME)) {
5883
5884 goto loopback_test_done;
5885 }
5886
5887 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5888 goto loopback_test_done;
5889 }
5890
5891 for (i = 14; i < pkt_size; i++) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005892 if (*(data + i) != (unsigned char) (i & 0xff)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005893 goto loopback_test_done;
5894 }
5895 }
5896
5897 ret = 0;
5898
5899loopback_test_done:
5900 bp->loopback = 0;
5901 return ret;
5902}
5903
Michael Chanbc5a0692006-01-23 16:13:22 -08005904#define BNX2_MAC_LOOPBACK_FAILED 1
5905#define BNX2_PHY_LOOPBACK_FAILED 2
5906#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5907 BNX2_PHY_LOOPBACK_FAILED)
5908
5909static int
5910bnx2_test_loopback(struct bnx2 *bp)
5911{
5912 int rc = 0;
5913
5914 if (!netif_running(bp->dev))
5915 return BNX2_LOOPBACK_FAILED;
5916
5917 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5918 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005919 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005920 spin_unlock_bh(&bp->phy_lock);
5921 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5922 rc |= BNX2_MAC_LOOPBACK_FAILED;
5923 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5924 rc |= BNX2_PHY_LOOPBACK_FAILED;
5925 return rc;
5926}
5927
Michael Chanb6016b72005-05-26 13:03:09 -07005928#define NVRAM_SIZE 0x200
5929#define CRC32_RESIDUAL 0xdebb20e3
5930
5931static int
5932bnx2_test_nvram(struct bnx2 *bp)
5933{
Al Virob491edd2007-12-22 19:44:51 +00005934 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005935 u8 *data = (u8 *) buf;
5936 int rc = 0;
5937 u32 magic, csum;
5938
5939 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5940 goto test_nvram_done;
5941
5942 magic = be32_to_cpu(buf[0]);
5943 if (magic != 0x669955aa) {
5944 rc = -ENODEV;
5945 goto test_nvram_done;
5946 }
5947
5948 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5949 goto test_nvram_done;
5950
5951 csum = ether_crc_le(0x100, data);
5952 if (csum != CRC32_RESIDUAL) {
5953 rc = -ENODEV;
5954 goto test_nvram_done;
5955 }
5956
5957 csum = ether_crc_le(0x100, data + 0x100);
5958 if (csum != CRC32_RESIDUAL) {
5959 rc = -ENODEV;
5960 }
5961
5962test_nvram_done:
5963 return rc;
5964}
5965
5966static int
5967bnx2_test_link(struct bnx2 *bp)
5968{
5969 u32 bmsr;
5970
Michael Chan9f52b562008-10-09 12:21:46 -07005971 if (!netif_running(bp->dev))
5972 return -ENODEV;
5973
Michael Chan583c28e2008-01-21 19:51:35 -08005974 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005975 if (bp->link_up)
5976 return 0;
5977 return -ENODEV;
5978 }
Michael Chanc770a652005-08-25 15:38:39 -07005979 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005980 bnx2_enable_bmsr1(bp);
5981 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5982 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5983 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005984 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005985
Michael Chanb6016b72005-05-26 13:03:09 -07005986 if (bmsr & BMSR_LSTATUS) {
5987 return 0;
5988 }
5989 return -ENODEV;
5990}
5991
5992static int
5993bnx2_test_intr(struct bnx2 *bp)
5994{
5995 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005996 u16 status_idx;
5997
5998 if (!netif_running(bp->dev))
5999 return -ENODEV;
6000
Michael Chane503e062012-12-06 10:33:08 +00006001 status_idx = BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
Michael Chanb6016b72005-05-26 13:03:09 -07006002
6003 /* This register is not touched during run-time. */
Michael Chane503e062012-12-06 10:33:08 +00006004 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
6005 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07006006
6007 for (i = 0; i < 10; i++) {
Michael Chane503e062012-12-06 10:33:08 +00006008 if ((BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
Michael Chanb6016b72005-05-26 13:03:09 -07006009 status_idx) {
6010
6011 break;
6012 }
6013
6014 msleep_interruptible(10);
6015 }
6016 if (i < 10)
6017 return 0;
6018
6019 return -ENODEV;
6020}
6021
Michael Chan38ea3682008-02-23 19:48:57 -08006022/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08006023static int
6024bnx2_5706_serdes_has_link(struct bnx2 *bp)
6025{
6026 u32 mode_ctl, an_dbg, exp;
6027
Michael Chan38ea3682008-02-23 19:48:57 -08006028 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
6029 return 0;
6030
Michael Chanb2fadea2008-01-21 17:07:06 -08006031 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
6032 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
6033
6034 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
6035 return 0;
6036
6037 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6038 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6039 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6040
Michael Chanf3014c02008-01-29 21:33:03 -08006041 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08006042 return 0;
6043
6044 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
6045 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6046 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6047
6048 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
6049 return 0;
6050
6051 return 1;
6052}
6053
Michael Chanb6016b72005-05-26 13:03:09 -07006054static void
Michael Chan48b01e22006-11-19 14:08:00 -08006055bnx2_5706_serdes_timer(struct bnx2 *bp)
6056{
Michael Chanb2fadea2008-01-21 17:07:06 -08006057 int check_link = 1;
6058
Michael Chan48b01e22006-11-19 14:08:00 -08006059 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08006060 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08006061 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08006062 check_link = 0;
6063 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08006064 u32 bmcr;
6065
Benjamin Liac392ab2008-09-18 16:40:49 -07006066 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08006067
Michael Chanca58c3a2007-05-03 13:22:52 -07006068 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08006069
6070 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08006071 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08006072 bmcr &= ~BMCR_ANENABLE;
6073 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07006074 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08006075 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08006076 }
6077 }
6078 }
6079 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08006080 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08006081 u32 phy2;
6082
6083 bnx2_write_phy(bp, 0x17, 0x0f01);
6084 bnx2_read_phy(bp, 0x15, &phy2);
6085 if (phy2 & 0x20) {
6086 u32 bmcr;
6087
Michael Chanca58c3a2007-05-03 13:22:52 -07006088 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08006089 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07006090 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08006091
Michael Chan583c28e2008-01-21 19:51:35 -08006092 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08006093 }
6094 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006095 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08006096
Michael Chana2724e22008-02-23 19:47:44 -08006097 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08006098 u32 val;
6099
6100 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6101 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6102 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6103
Michael Chana2724e22008-02-23 19:47:44 -08006104 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6105 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6106 bnx2_5706s_force_link_dn(bp, 1);
6107 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6108 } else
6109 bnx2_set_link(bp);
6110 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6111 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006112 }
Michael Chan48b01e22006-11-19 14:08:00 -08006113 spin_unlock(&bp->phy_lock);
6114}
6115
6116static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006117bnx2_5708_serdes_timer(struct bnx2 *bp)
6118{
Michael Chan583c28e2008-01-21 19:51:35 -08006119 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006120 return;
6121
Michael Chan583c28e2008-01-21 19:51:35 -08006122 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006123 bp->serdes_an_pending = 0;
6124 return;
6125 }
6126
6127 spin_lock(&bp->phy_lock);
6128 if (bp->serdes_an_pending)
6129 bp->serdes_an_pending--;
6130 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6131 u32 bmcr;
6132
Michael Chanca58c3a2007-05-03 13:22:52 -07006133 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006134 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006135 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006136 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006137 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006138 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006139 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006140 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006141 }
6142
6143 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006144 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006145
6146 spin_unlock(&bp->phy_lock);
6147}
6148
6149static void
Michael Chanb6016b72005-05-26 13:03:09 -07006150bnx2_timer(unsigned long data)
6151{
6152 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006153
Michael Chancd339a02005-08-25 15:35:24 -07006154 if (!netif_running(bp->dev))
6155 return;
6156
Michael Chanb6016b72005-05-26 13:03:09 -07006157 if (atomic_read(&bp->intr_sem) != 0)
6158 goto bnx2_restart_timer;
6159
Michael Chanefba0182008-12-03 00:36:15 -08006160 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6161 BNX2_FLAG_USING_MSI)
6162 bnx2_chk_missed_msi(bp);
6163
Michael Chandf149d72007-07-07 22:51:36 -07006164 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006165
Michael Chan2726d6e2008-01-29 21:35:05 -08006166 bp->stats_blk->stat_FwRxDrop =
6167 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006168
Michael Chan02537b062007-06-04 21:24:07 -07006169 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006170 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chane503e062012-12-06 10:33:08 +00006171 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6172 BNX2_HC_COMMAND_STATS_NOW);
Michael Chan02537b062007-06-04 21:24:07 -07006173
Michael Chan583c28e2008-01-21 19:51:35 -08006174 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan4ce45e02012-12-06 10:33:10 +00006175 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chanf8dd0642006-11-19 14:08:29 -08006176 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006177 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006178 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006179 }
6180
6181bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006182 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006183}
6184
Michael Chan8e6a72c2007-05-03 13:24:48 -07006185static int
6186bnx2_request_irq(struct bnx2 *bp)
6187{
Michael Chan6d866ff2007-12-20 19:56:09 -08006188 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006189 struct bnx2_irq *irq;
6190 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006191
David S. Millerf86e82f2008-01-21 17:15:40 -08006192 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006193 flags = 0;
6194 else
6195 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006196
6197 for (i = 0; i < bp->irq_nvecs; i++) {
6198 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006199 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006200 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006201 if (rc)
6202 break;
6203 irq->requested = 1;
6204 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006205 return rc;
6206}
6207
6208static void
Michael Chana29ba9d2010-12-31 11:03:14 -08006209__bnx2_free_irq(struct bnx2 *bp)
Michael Chan8e6a72c2007-05-03 13:24:48 -07006210{
Michael Chanb4b36042007-12-20 19:59:30 -08006211 struct bnx2_irq *irq;
6212 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006213
Michael Chanb4b36042007-12-20 19:59:30 -08006214 for (i = 0; i < bp->irq_nvecs; i++) {
6215 irq = &bp->irq_tbl[i];
6216 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006217 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006218 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006219 }
Michael Chana29ba9d2010-12-31 11:03:14 -08006220}
6221
6222static void
6223bnx2_free_irq(struct bnx2 *bp)
6224{
6225
6226 __bnx2_free_irq(bp);
David S. Millerf86e82f2008-01-21 17:15:40 -08006227 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08006228 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08006229 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08006230 pci_disable_msix(bp->pdev);
6231
David S. Millerf86e82f2008-01-21 17:15:40 -08006232 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08006233}
6234
6235static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006236bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08006237{
Michael Chan379b39a2010-07-19 14:15:03 +00006238 int i, total_vecs, rc;
Michael Chan57851d82007-12-20 20:01:44 -08006239 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
Michael Chan4e1d0de2008-12-16 20:27:45 -08006240 struct net_device *dev = bp->dev;
6241 const int len = sizeof(bp->irq_tbl[0].name);
Michael Chan57851d82007-12-20 20:01:44 -08006242
Michael Chanb4b36042007-12-20 19:59:30 -08006243 bnx2_setup_msix_tbl(bp);
Michael Chane503e062012-12-06 10:33:08 +00006244 BNX2_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6245 BNX2_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6246 BNX2_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08006247
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006248 /* Need to flush the previous three writes to ensure MSI-X
6249 * is setup properly */
Michael Chane503e062012-12-06 10:33:08 +00006250 BNX2_RD(bp, BNX2_PCI_MSIX_CONTROL);
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006251
Michael Chan57851d82007-12-20 20:01:44 -08006252 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6253 msix_ent[i].entry = i;
6254 msix_ent[i].vector = 0;
6255 }
6256
Michael Chan379b39a2010-07-19 14:15:03 +00006257 total_vecs = msix_vecs;
6258#ifdef BCM_CNIC
6259 total_vecs++;
6260#endif
6261 rc = -ENOSPC;
6262 while (total_vecs >= BNX2_MIN_MSIX_VEC) {
6263 rc = pci_enable_msix(bp->pdev, msix_ent, total_vecs);
6264 if (rc <= 0)
6265 break;
6266 if (rc > 0)
6267 total_vecs = rc;
6268 }
6269
Michael Chan57851d82007-12-20 20:01:44 -08006270 if (rc != 0)
6271 return;
6272
Michael Chan379b39a2010-07-19 14:15:03 +00006273 msix_vecs = total_vecs;
6274#ifdef BCM_CNIC
6275 msix_vecs--;
6276#endif
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006277 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006278 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan379b39a2010-07-19 14:15:03 +00006279 for (i = 0; i < total_vecs; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006280 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006281 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6282 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6283 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006284}
6285
Ben Hutchings657d92f2010-09-27 08:25:16 +00006286static int
Michael Chan6d866ff2007-12-20 19:56:09 -08006287bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6288{
Yuval Mintz0a742122012-07-01 03:18:58 +00006289 int cpus = netif_get_num_default_rss_queues();
Michael Chanb0332812012-02-05 15:24:38 +00006290 int msix_vecs;
6291
6292 if (!bp->num_req_rx_rings)
6293 msix_vecs = max(cpus + 1, bp->num_req_tx_rings);
6294 else if (!bp->num_req_tx_rings)
6295 msix_vecs = max(cpus, bp->num_req_rx_rings);
6296 else
6297 msix_vecs = max(bp->num_req_rx_rings, bp->num_req_tx_rings);
6298
6299 msix_vecs = min(msix_vecs, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006300
Michael Chan6d866ff2007-12-20 19:56:09 -08006301 bp->irq_tbl[0].handler = bnx2_interrupt;
6302 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006303 bp->irq_nvecs = 1;
6304 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006305
Michael Chan3d5f3a72010-07-03 20:42:15 +00006306 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006307 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006308
David S. Millerf86e82f2008-01-21 17:15:40 -08006309 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6310 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006311 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006312 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan4ce45e02012-12-06 10:33:10 +00006313 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006314 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006315 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6316 } else
6317 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006318
6319 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006320 }
6321 }
Benjamin Li706bf242008-07-18 17:55:11 -07006322
Michael Chanb0332812012-02-05 15:24:38 +00006323 if (!bp->num_req_tx_rings)
6324 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6325 else
6326 bp->num_tx_rings = min(bp->irq_nvecs, bp->num_req_tx_rings);
6327
6328 if (!bp->num_req_rx_rings)
6329 bp->num_rx_rings = bp->irq_nvecs;
6330 else
6331 bp->num_rx_rings = min(bp->irq_nvecs, bp->num_req_rx_rings);
6332
Ben Hutchings657d92f2010-09-27 08:25:16 +00006333 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
Benjamin Li706bf242008-07-18 17:55:11 -07006334
Ben Hutchings657d92f2010-09-27 08:25:16 +00006335 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006336}
6337
Michael Chanb6016b72005-05-26 13:03:09 -07006338/* Called with rtnl_lock */
6339static int
6340bnx2_open(struct net_device *dev)
6341{
Michael Chan972ec0d2006-01-23 16:12:43 -08006342 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006343 int rc;
6344
françois romieu7880b722011-09-30 00:36:52 +00006345 rc = bnx2_request_firmware(bp);
6346 if (rc < 0)
6347 goto out;
6348
Michael Chan1b2f9222007-05-03 13:20:19 -07006349 netif_carrier_off(dev);
6350
Michael Chanb6016b72005-05-26 13:03:09 -07006351 bnx2_disable_int(bp);
6352
Ben Hutchings657d92f2010-09-27 08:25:16 +00006353 rc = bnx2_setup_int_mode(bp, disable_msi);
6354 if (rc)
6355 goto open_err;
Benjamin Li4327ba42010-03-23 13:13:11 +00006356 bnx2_init_napi(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006357 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006358 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006359 if (rc)
6360 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006361
Michael Chan8e6a72c2007-05-03 13:24:48 -07006362 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006363 if (rc)
6364 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006365
Michael Chan9a120bc2008-05-16 22:17:45 -07006366 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006367 if (rc)
6368 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006369
Michael Chancd339a02005-08-25 15:35:24 -07006370 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006371
6372 atomic_set(&bp->intr_sem, 0);
6373
Michael Chan354fcd72010-01-17 07:30:44 +00006374 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6375
Michael Chanb6016b72005-05-26 13:03:09 -07006376 bnx2_enable_int(bp);
6377
David S. Millerf86e82f2008-01-21 17:15:40 -08006378 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006379 /* Test MSI to make sure it is working
6380 * If MSI test fails, go back to INTx mode
6381 */
6382 if (bnx2_test_intr(bp) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00006383 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 -07006384
6385 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006386 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006387
Michael Chan6d866ff2007-12-20 19:56:09 -08006388 bnx2_setup_int_mode(bp, 1);
6389
Michael Chan9a120bc2008-05-16 22:17:45 -07006390 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006391
Michael Chan8e6a72c2007-05-03 13:24:48 -07006392 if (!rc)
6393 rc = bnx2_request_irq(bp);
6394
Michael Chanb6016b72005-05-26 13:03:09 -07006395 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006396 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006397 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006398 }
6399 bnx2_enable_int(bp);
6400 }
6401 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006402 if (bp->flags & BNX2_FLAG_USING_MSI)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006403 netdev_info(dev, "using MSI\n");
David S. Millerf86e82f2008-01-21 17:15:40 -08006404 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006405 netdev_info(dev, "using MSIX\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006406
Benjamin Li706bf242008-07-18 17:55:11 -07006407 netif_tx_start_all_queues(dev);
françois romieu7880b722011-09-30 00:36:52 +00006408out:
6409 return rc;
Michael Chan2739a8b2008-06-19 16:44:10 -07006410
6411open_err:
6412 bnx2_napi_disable(bp);
6413 bnx2_free_skbs(bp);
6414 bnx2_free_irq(bp);
6415 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006416 bnx2_del_napi(bp);
françois romieu7880b722011-09-30 00:36:52 +00006417 bnx2_release_firmware(bp);
6418 goto out;
Michael Chanb6016b72005-05-26 13:03:09 -07006419}
6420
6421static void
David Howellsc4028952006-11-22 14:57:56 +00006422bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006423{
David Howellsc4028952006-11-22 14:57:56 +00006424 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chancd634012011-07-15 06:53:58 +00006425 int rc;
Michael Chanefdfad32012-07-16 14:25:56 +00006426 u16 pcicmd;
Michael Chanb6016b72005-05-26 13:03:09 -07006427
Michael Chan51bf6bb2009-12-03 09:46:31 +00006428 rtnl_lock();
6429 if (!netif_running(bp->dev)) {
6430 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006431 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006432 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006433
Michael Chan212f9932010-04-27 11:28:10 +00006434 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07006435
Michael Chanefdfad32012-07-16 14:25:56 +00006436 pci_read_config_word(bp->pdev, PCI_COMMAND, &pcicmd);
6437 if (!(pcicmd & PCI_COMMAND_MEMORY)) {
6438 /* in case PCI block has reset */
6439 pci_restore_state(bp->pdev);
6440 pci_save_state(bp->pdev);
6441 }
Michael Chancd634012011-07-15 06:53:58 +00006442 rc = bnx2_init_nic(bp, 1);
6443 if (rc) {
6444 netdev_err(bp->dev, "failed to reset NIC, closing\n");
6445 bnx2_napi_enable(bp);
6446 dev_close(bp->dev);
6447 rtnl_unlock();
6448 return;
6449 }
Michael Chanb6016b72005-05-26 13:03:09 -07006450
6451 atomic_set(&bp->intr_sem, 1);
Michael Chan212f9932010-04-27 11:28:10 +00006452 bnx2_netif_start(bp, true);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006453 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006454}
6455
Michael Chan555069d2012-06-16 15:45:41 +00006456#define BNX2_FTQ_ENTRY(ftq) { __stringify(ftq##FTQ_CTL), BNX2_##ftq##FTQ_CTL }
6457
6458static void
6459bnx2_dump_ftq(struct bnx2 *bp)
6460{
6461 int i;
6462 u32 reg, bdidx, cid, valid;
6463 struct net_device *dev = bp->dev;
6464 static const struct ftq_reg {
6465 char *name;
6466 u32 off;
6467 } ftq_arr[] = {
6468 BNX2_FTQ_ENTRY(RV2P_P),
6469 BNX2_FTQ_ENTRY(RV2P_T),
6470 BNX2_FTQ_ENTRY(RV2P_M),
6471 BNX2_FTQ_ENTRY(TBDR_),
6472 BNX2_FTQ_ENTRY(TDMA_),
6473 BNX2_FTQ_ENTRY(TXP_),
6474 BNX2_FTQ_ENTRY(TXP_),
6475 BNX2_FTQ_ENTRY(TPAT_),
6476 BNX2_FTQ_ENTRY(RXP_C),
6477 BNX2_FTQ_ENTRY(RXP_),
6478 BNX2_FTQ_ENTRY(COM_COMXQ_),
6479 BNX2_FTQ_ENTRY(COM_COMTQ_),
6480 BNX2_FTQ_ENTRY(COM_COMQ_),
6481 BNX2_FTQ_ENTRY(CP_CPQ_),
6482 };
6483
6484 netdev_err(dev, "<--- start FTQ dump --->\n");
6485 for (i = 0; i < ARRAY_SIZE(ftq_arr); i++)
6486 netdev_err(dev, "%s %08x\n", ftq_arr[i].name,
6487 bnx2_reg_rd_ind(bp, ftq_arr[i].off));
6488
6489 netdev_err(dev, "CPU states:\n");
6490 for (reg = BNX2_TXP_CPU_MODE; reg <= BNX2_CP_CPU_MODE; reg += 0x40000)
6491 netdev_err(dev, "%06x mode %x state %x evt_mask %x pc %x pc %x instr %x\n",
6492 reg, bnx2_reg_rd_ind(bp, reg),
6493 bnx2_reg_rd_ind(bp, reg + 4),
6494 bnx2_reg_rd_ind(bp, reg + 8),
6495 bnx2_reg_rd_ind(bp, reg + 0x1c),
6496 bnx2_reg_rd_ind(bp, reg + 0x1c),
6497 bnx2_reg_rd_ind(bp, reg + 0x20));
6498
6499 netdev_err(dev, "<--- end FTQ dump --->\n");
6500 netdev_err(dev, "<--- start TBDC dump --->\n");
6501 netdev_err(dev, "TBDC free cnt: %ld\n",
Michael Chane503e062012-12-06 10:33:08 +00006502 BNX2_RD(bp, BNX2_TBDC_STATUS) & BNX2_TBDC_STATUS_FREE_CNT);
Michael Chan555069d2012-06-16 15:45:41 +00006503 netdev_err(dev, "LINE CID BIDX CMD VALIDS\n");
6504 for (i = 0; i < 0x20; i++) {
6505 int j = 0;
6506
Michael Chane503e062012-12-06 10:33:08 +00006507 BNX2_WR(bp, BNX2_TBDC_BD_ADDR, i);
6508 BNX2_WR(bp, BNX2_TBDC_CAM_OPCODE,
6509 BNX2_TBDC_CAM_OPCODE_OPCODE_CAM_READ);
6510 BNX2_WR(bp, BNX2_TBDC_COMMAND, BNX2_TBDC_COMMAND_CMD_REG_ARB);
6511 while ((BNX2_RD(bp, BNX2_TBDC_COMMAND) &
Michael Chan555069d2012-06-16 15:45:41 +00006512 BNX2_TBDC_COMMAND_CMD_REG_ARB) && j < 100)
6513 j++;
6514
Michael Chane503e062012-12-06 10:33:08 +00006515 cid = BNX2_RD(bp, BNX2_TBDC_CID);
6516 bdidx = BNX2_RD(bp, BNX2_TBDC_BIDX);
6517 valid = BNX2_RD(bp, BNX2_TBDC_CAM_OPCODE);
Michael Chan555069d2012-06-16 15:45:41 +00006518 netdev_err(dev, "%02x %06x %04lx %02x [%x]\n",
6519 i, cid, bdidx & BNX2_TBDC_BDIDX_BDIDX,
6520 bdidx >> 24, (valid >> 8) & 0x0ff);
6521 }
6522 netdev_err(dev, "<--- end TBDC dump --->\n");
6523}
6524
Michael Chanb6016b72005-05-26 13:03:09 -07006525static void
Michael Chan20175c52009-12-03 09:46:32 +00006526bnx2_dump_state(struct bnx2 *bp)
6527{
6528 struct net_device *dev = bp->dev;
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00006529 u32 val1, val2;
Michael Chan20175c52009-12-03 09:46:32 +00006530
Michael Chan5804a8f2010-07-03 20:42:17 +00006531 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
6532 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
6533 atomic_read(&bp->intr_sem), val1);
6534 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
6535 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
6536 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
Eddie Waib98eba52010-05-17 17:32:56 -07006537 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006538 BNX2_RD(bp, BNX2_EMAC_TX_STATUS),
6539 BNX2_RD(bp, BNX2_EMAC_RX_STATUS));
Eddie Waib98eba52010-05-17 17:32:56 -07006540 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006541 BNX2_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
Joe Perches3a9c6a42010-02-17 15:01:51 +00006542 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006543 BNX2_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
Michael Chan20175c52009-12-03 09:46:32 +00006544 if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006545 netdev_err(dev, "DEBUG: PBA[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006546 BNX2_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
Michael Chan20175c52009-12-03 09:46:32 +00006547}
6548
6549static void
Michael Chanb6016b72005-05-26 13:03:09 -07006550bnx2_tx_timeout(struct net_device *dev)
6551{
Michael Chan972ec0d2006-01-23 16:12:43 -08006552 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006553
Michael Chan555069d2012-06-16 15:45:41 +00006554 bnx2_dump_ftq(bp);
Michael Chan20175c52009-12-03 09:46:32 +00006555 bnx2_dump_state(bp);
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00006556 bnx2_dump_mcp_state(bp);
Michael Chan20175c52009-12-03 09:46:32 +00006557
Michael Chanb6016b72005-05-26 13:03:09 -07006558 /* This allows the netif to be shutdown gracefully before resetting */
6559 schedule_work(&bp->reset_task);
6560}
6561
Herbert Xu932ff272006-06-09 12:20:56 -07006562/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006563 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6564 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006565 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006566static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006567bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6568{
Michael Chan972ec0d2006-01-23 16:12:43 -08006569 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006570 dma_addr_t mapping;
Michael Chan2bc40782012-12-06 10:33:09 +00006571 struct bnx2_tx_bd *txbd;
6572 struct bnx2_sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006573 u32 len, vlan_tag_flags, last_frag, mss;
6574 u16 prod, ring_prod;
6575 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006576 struct bnx2_napi *bnapi;
6577 struct bnx2_tx_ring_info *txr;
6578 struct netdev_queue *txq;
6579
6580 /* Determine which tx ring we will be placed on */
6581 i = skb_get_queue_mapping(skb);
6582 bnapi = &bp->bnx2_napi[i];
6583 txr = &bnapi->tx_ring;
6584 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006585
Michael Chan35e90102008-06-19 16:37:42 -07006586 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006587 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006588 netif_tx_stop_queue(txq);
Joe Perches3a9c6a42010-02-17 15:01:51 +00006589 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006590
6591 return NETDEV_TX_BUSY;
6592 }
6593 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006594 prod = txr->tx_prod;
Michael Chan2bc40782012-12-06 10:33:09 +00006595 ring_prod = BNX2_TX_RING_IDX(prod);
Michael Chanb6016b72005-05-26 13:03:09 -07006596
6597 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006598 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006599 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6600 }
6601
Jesse Grosseab6d182010-10-20 13:56:03 +00006602 if (vlan_tx_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006603 vlan_tag_flags |=
6604 (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
6605 }
Jesse Gross7d0fd212010-10-20 13:56:09 +00006606
Michael Chanfde82052007-05-03 17:23:35 -07006607 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006608 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006609 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006610
Michael Chanb6016b72005-05-26 13:03:09 -07006611 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6612
Michael Chan4666f872007-05-03 13:22:28 -07006613 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006614
Michael Chan4666f872007-05-03 13:22:28 -07006615 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6616 u32 tcp_off = skb_transport_offset(skb) -
6617 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006618
Michael Chan4666f872007-05-03 13:22:28 -07006619 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6620 TX_BD_FLAGS_SW_FLAGS;
6621 if (likely(tcp_off == 0))
6622 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6623 else {
6624 tcp_off >>= 3;
6625 vlan_tag_flags |= ((tcp_off & 0x3) <<
6626 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6627 ((tcp_off & 0x10) <<
6628 TX_BD_FLAGS_TCP6_OFF4_SHL);
6629 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6630 }
6631 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006632 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006633 if (tcp_opt_len || (iph->ihl > 5)) {
6634 vlan_tag_flags |= ((iph->ihl - 5) +
6635 (tcp_opt_len >> 2)) << 8;
6636 }
Michael Chanb6016b72005-05-26 13:03:09 -07006637 }
Michael Chan4666f872007-05-03 13:22:28 -07006638 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006639 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006640
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006641 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
6642 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07006643 dev_kfree_skb(skb);
6644 return NETDEV_TX_OK;
6645 }
6646
Michael Chan35e90102008-06-19 16:37:42 -07006647 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006648 tx_buf->skb = skb;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006649 dma_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006650
Michael Chan35e90102008-06-19 16:37:42 -07006651 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006652
6653 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6654 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6655 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6656 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6657
6658 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006659 tx_buf->nr_frags = last_frag;
6660 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006661
6662 for (i = 0; i < last_frag; i++) {
Eric Dumazet9e903e02011-10-18 21:00:24 +00006663 const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Michael Chanb6016b72005-05-26 13:03:09 -07006664
Michael Chan2bc40782012-12-06 10:33:09 +00006665 prod = BNX2_NEXT_TX_BD(prod);
6666 ring_prod = BNX2_TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006667 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006668
Eric Dumazet9e903e02011-10-18 21:00:24 +00006669 len = skb_frag_size(frag);
Ian Campbellb7b6a682011-08-24 22:28:12 +00006670 mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len,
Ian Campbell5d6bcdf2011-10-06 11:10:48 +01006671 DMA_TO_DEVICE);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006672 if (dma_mapping_error(&bp->pdev->dev, mapping))
Alexander Duycke95524a2009-12-02 16:47:57 +00006673 goto dma_error;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006674 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
Alexander Duycke95524a2009-12-02 16:47:57 +00006675 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006676
6677 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6678 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6679 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6680 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6681
6682 }
6683 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6684
Vlad Zolotarov94bf91b2012-02-05 15:24:39 +00006685 /* Sync BD data before updating TX mailbox */
6686 wmb();
6687
Eric Dumazete9831902011-11-29 11:53:05 +00006688 netdev_tx_sent_queue(txq, skb->len);
6689
Michael Chan2bc40782012-12-06 10:33:09 +00006690 prod = BNX2_NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006691 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006692
Michael Chane503e062012-12-06 10:33:08 +00006693 BNX2_WR16(bp, txr->tx_bidx_addr, prod);
6694 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006695
6696 mmiowb();
6697
Michael Chan35e90102008-06-19 16:37:42 -07006698 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006699
Michael Chan35e90102008-06-19 16:37:42 -07006700 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006701 netif_tx_stop_queue(txq);
Michael Chan11848b962010-07-19 14:15:04 +00006702
6703 /* netif_tx_stop_queue() must be done before checking
6704 * tx index in bnx2_tx_avail() below, because in
6705 * bnx2_tx_int(), we update tx index before checking for
6706 * netif_tx_queue_stopped().
6707 */
6708 smp_mb();
Michael Chan35e90102008-06-19 16:37:42 -07006709 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006710 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006711 }
6712
6713 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006714dma_error:
6715 /* save value of frag that failed */
6716 last_frag = i;
6717
6718 /* start back at beginning and unmap skb */
6719 prod = txr->tx_prod;
Michael Chan2bc40782012-12-06 10:33:09 +00006720 ring_prod = BNX2_TX_RING_IDX(prod);
Alexander Duycke95524a2009-12-02 16:47:57 +00006721 tx_buf = &txr->tx_buf_ring[ring_prod];
6722 tx_buf->skb = NULL;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006723 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006724 skb_headlen(skb), PCI_DMA_TODEVICE);
6725
6726 /* unmap remaining mapped pages */
6727 for (i = 0; i < last_frag; i++) {
Michael Chan2bc40782012-12-06 10:33:09 +00006728 prod = BNX2_NEXT_TX_BD(prod);
6729 ring_prod = BNX2_TX_RING_IDX(prod);
Alexander Duycke95524a2009-12-02 16:47:57 +00006730 tx_buf = &txr->tx_buf_ring[ring_prod];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006731 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Eric Dumazet9e903e02011-10-18 21:00:24 +00006732 skb_frag_size(&skb_shinfo(skb)->frags[i]),
Alexander Duycke95524a2009-12-02 16:47:57 +00006733 PCI_DMA_TODEVICE);
6734 }
6735
6736 dev_kfree_skb(skb);
6737 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006738}
6739
6740/* Called with rtnl_lock */
6741static int
6742bnx2_close(struct net_device *dev)
6743{
Michael Chan972ec0d2006-01-23 16:12:43 -08006744 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006745
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006746 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006747 bnx2_napi_disable(bp);
Michael Chand2e553b2012-06-27 15:08:24 +00006748 netif_tx_disable(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006749 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006750 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006751 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006752 bnx2_free_skbs(bp);
6753 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006754 bnx2_del_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006755 bp->link_up = 0;
6756 netif_carrier_off(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006757 return 0;
6758}
6759
Michael Chan354fcd72010-01-17 07:30:44 +00006760static void
6761bnx2_save_stats(struct bnx2 *bp)
6762{
6763 u32 *hw_stats = (u32 *) bp->stats_blk;
6764 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6765 int i;
6766
6767 /* The 1st 10 counters are 64-bit counters */
6768 for (i = 0; i < 20; i += 2) {
6769 u32 hi;
6770 u64 lo;
6771
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006772 hi = temp_stats[i] + hw_stats[i];
6773 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
Michael Chan354fcd72010-01-17 07:30:44 +00006774 if (lo > 0xffffffff)
6775 hi++;
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006776 temp_stats[i] = hi;
6777 temp_stats[i + 1] = lo & 0xffffffff;
Michael Chan354fcd72010-01-17 07:30:44 +00006778 }
6779
6780 for ( ; i < sizeof(struct statistics_block) / 4; i++)
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006781 temp_stats[i] += hw_stats[i];
Michael Chan354fcd72010-01-17 07:30:44 +00006782}
6783
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006784#define GET_64BIT_NET_STATS64(ctr) \
6785 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
Michael Chanb6016b72005-05-26 13:03:09 -07006786
Michael Chana4743052010-01-17 07:30:43 +00006787#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006788 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6789 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006790
Michael Chana4743052010-01-17 07:30:43 +00006791#define GET_32BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006792 (unsigned long) (bp->stats_blk->ctr + \
6793 bp->temp_stats_blk->ctr)
Michael Chana4743052010-01-17 07:30:43 +00006794
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006795static struct rtnl_link_stats64 *
6796bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
Michael Chanb6016b72005-05-26 13:03:09 -07006797{
Michael Chan972ec0d2006-01-23 16:12:43 -08006798 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006799
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006800 if (bp->stats_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006801 return net_stats;
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006802
Michael Chanb6016b72005-05-26 13:03:09 -07006803 net_stats->rx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006804 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6805 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6806 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006807
6808 net_stats->tx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006809 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6810 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6811 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006812
6813 net_stats->rx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006814 GET_64BIT_NET_STATS(stat_IfHCInOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006815
6816 net_stats->tx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006817 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006818
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006819 net_stats->multicast =
Michael Chan6fdae992010-07-19 14:15:02 +00006820 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006821
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006822 net_stats->collisions =
Michael Chana4743052010-01-17 07:30:43 +00006823 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006824
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006825 net_stats->rx_length_errors =
Michael Chana4743052010-01-17 07:30:43 +00006826 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6827 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006828
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006829 net_stats->rx_over_errors =
Michael Chana4743052010-01-17 07:30:43 +00006830 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6831 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006832
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006833 net_stats->rx_frame_errors =
Michael Chana4743052010-01-17 07:30:43 +00006834 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006835
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006836 net_stats->rx_crc_errors =
Michael Chana4743052010-01-17 07:30:43 +00006837 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006838
6839 net_stats->rx_errors = net_stats->rx_length_errors +
6840 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6841 net_stats->rx_crc_errors;
6842
6843 net_stats->tx_aborted_errors =
Michael Chana4743052010-01-17 07:30:43 +00006844 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6845 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006846
Michael Chan4ce45e02012-12-06 10:33:10 +00006847 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
6848 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006849 net_stats->tx_carrier_errors = 0;
6850 else {
6851 net_stats->tx_carrier_errors =
Michael Chana4743052010-01-17 07:30:43 +00006852 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006853 }
6854
6855 net_stats->tx_errors =
Michael Chana4743052010-01-17 07:30:43 +00006856 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
Michael Chanb6016b72005-05-26 13:03:09 -07006857 net_stats->tx_aborted_errors +
6858 net_stats->tx_carrier_errors;
6859
Michael Chancea94db2006-06-12 22:16:13 -07006860 net_stats->rx_missed_errors =
Michael Chana4743052010-01-17 07:30:43 +00006861 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6862 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6863 GET_32BIT_NET_STATS(stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006864
Michael Chanb6016b72005-05-26 13:03:09 -07006865 return net_stats;
6866}
6867
6868/* All ethtool functions called with rtnl_lock */
6869
6870static int
6871bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6872{
Michael Chan972ec0d2006-01-23 16:12:43 -08006873 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006874 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006875
6876 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006877 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006878 support_serdes = 1;
6879 support_copper = 1;
6880 } else if (bp->phy_port == PORT_FIBRE)
6881 support_serdes = 1;
6882 else
6883 support_copper = 1;
6884
6885 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006886 cmd->supported |= SUPPORTED_1000baseT_Full |
6887 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006888 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006889 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006890
Michael Chanb6016b72005-05-26 13:03:09 -07006891 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006892 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006893 cmd->supported |= SUPPORTED_10baseT_Half |
6894 SUPPORTED_10baseT_Full |
6895 SUPPORTED_100baseT_Half |
6896 SUPPORTED_100baseT_Full |
6897 SUPPORTED_1000baseT_Full |
6898 SUPPORTED_TP;
6899
Michael Chanb6016b72005-05-26 13:03:09 -07006900 }
6901
Michael Chan7b6b8342007-07-07 22:50:15 -07006902 spin_lock_bh(&bp->phy_lock);
6903 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006904 cmd->advertising = bp->advertising;
6905
6906 if (bp->autoneg & AUTONEG_SPEED) {
6907 cmd->autoneg = AUTONEG_ENABLE;
David Decotigny70739492011-04-27 18:32:40 +00006908 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07006909 cmd->autoneg = AUTONEG_DISABLE;
6910 }
6911
6912 if (netif_carrier_ok(dev)) {
David Decotigny70739492011-04-27 18:32:40 +00006913 ethtool_cmd_speed_set(cmd, bp->line_speed);
Michael Chanb6016b72005-05-26 13:03:09 -07006914 cmd->duplex = bp->duplex;
Michael Chan4016bad2013-12-31 23:22:34 -08006915 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES)) {
6916 if (bp->phy_flags & BNX2_PHY_FLAG_MDIX)
6917 cmd->eth_tp_mdix = ETH_TP_MDI_X;
6918 else
6919 cmd->eth_tp_mdix = ETH_TP_MDI;
6920 }
Michael Chanb6016b72005-05-26 13:03:09 -07006921 }
6922 else {
David Decotigny70739492011-04-27 18:32:40 +00006923 ethtool_cmd_speed_set(cmd, -1);
Michael Chanb6016b72005-05-26 13:03:09 -07006924 cmd->duplex = -1;
6925 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006926 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006927
6928 cmd->transceiver = XCVR_INTERNAL;
6929 cmd->phy_address = bp->phy_addr;
6930
6931 return 0;
6932}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006933
Michael Chanb6016b72005-05-26 13:03:09 -07006934static int
6935bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6936{
Michael Chan972ec0d2006-01-23 16:12:43 -08006937 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006938 u8 autoneg = bp->autoneg;
6939 u8 req_duplex = bp->req_duplex;
6940 u16 req_line_speed = bp->req_line_speed;
6941 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006942 int err = -EINVAL;
6943
6944 spin_lock_bh(&bp->phy_lock);
6945
6946 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6947 goto err_out_unlock;
6948
Michael Chan583c28e2008-01-21 19:51:35 -08006949 if (cmd->port != bp->phy_port &&
6950 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006951 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006952
Michael Chand6b14482008-07-14 22:37:21 -07006953 /* If device is down, we can store the settings only if the user
6954 * is setting the currently active port.
6955 */
6956 if (!netif_running(dev) && cmd->port != bp->phy_port)
6957 goto err_out_unlock;
6958
Michael Chanb6016b72005-05-26 13:03:09 -07006959 if (cmd->autoneg == AUTONEG_ENABLE) {
6960 autoneg |= AUTONEG_SPEED;
6961
Michael Chanbeb499a2010-02-15 19:42:10 +00006962 advertising = cmd->advertising;
6963 if (cmd->port == PORT_TP) {
6964 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6965 if (!advertising)
Michael Chanb6016b72005-05-26 13:03:09 -07006966 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanbeb499a2010-02-15 19:42:10 +00006967 } else {
6968 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6969 if (!advertising)
6970 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006971 }
6972 advertising |= ADVERTISED_Autoneg;
6973 }
6974 else {
David Decotigny25db0332011-04-27 18:32:39 +00006975 u32 speed = ethtool_cmd_speed(cmd);
Michael Chan7b6b8342007-07-07 22:50:15 -07006976 if (cmd->port == PORT_FIBRE) {
David Decotigny25db0332011-04-27 18:32:39 +00006977 if ((speed != SPEED_1000 &&
6978 speed != SPEED_2500) ||
Michael Chan80be4432006-11-19 14:07:28 -08006979 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006980 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006981
David Decotigny25db0332011-04-27 18:32:39 +00006982 if (speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006983 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006984 goto err_out_unlock;
David Decotigny25db0332011-04-27 18:32:39 +00006985 } else if (speed == SPEED_1000 || speed == SPEED_2500)
Michael Chan7b6b8342007-07-07 22:50:15 -07006986 goto err_out_unlock;
6987
Michael Chanb6016b72005-05-26 13:03:09 -07006988 autoneg &= ~AUTONEG_SPEED;
David Decotigny25db0332011-04-27 18:32:39 +00006989 req_line_speed = speed;
Michael Chanb6016b72005-05-26 13:03:09 -07006990 req_duplex = cmd->duplex;
6991 advertising = 0;
6992 }
6993
6994 bp->autoneg = autoneg;
6995 bp->advertising = advertising;
6996 bp->req_line_speed = req_line_speed;
6997 bp->req_duplex = req_duplex;
6998
Michael Chand6b14482008-07-14 22:37:21 -07006999 err = 0;
7000 /* If device is down, the new settings will be picked up when it is
7001 * brought up.
7002 */
7003 if (netif_running(dev))
7004 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07007005
Michael Chan7b6b8342007-07-07 22:50:15 -07007006err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07007007 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007008
Michael Chan7b6b8342007-07-07 22:50:15 -07007009 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07007010}
7011
7012static void
7013bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7014{
Michael Chan972ec0d2006-01-23 16:12:43 -08007015 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007016
Rick Jones68aad782011-11-07 13:29:27 +00007017 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
7018 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
7019 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
7020 strlcpy(info->fw_version, bp->fw_version, sizeof(info->fw_version));
Michael Chanb6016b72005-05-26 13:03:09 -07007021}
7022
Michael Chan244ac4f2006-03-20 17:48:46 -08007023#define BNX2_REGDUMP_LEN (32 * 1024)
7024
7025static int
7026bnx2_get_regs_len(struct net_device *dev)
7027{
7028 return BNX2_REGDUMP_LEN;
7029}
7030
7031static void
7032bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
7033{
7034 u32 *p = _p, i, offset;
7035 u8 *orig_p = _p;
7036 struct bnx2 *bp = netdev_priv(dev);
Joe Perchesb6bc7652010-12-21 02:16:08 -08007037 static const u32 reg_boundaries[] = {
7038 0x0000, 0x0098, 0x0400, 0x045c,
7039 0x0800, 0x0880, 0x0c00, 0x0c10,
7040 0x0c30, 0x0d08, 0x1000, 0x101c,
7041 0x1040, 0x1048, 0x1080, 0x10a4,
7042 0x1400, 0x1490, 0x1498, 0x14f0,
7043 0x1500, 0x155c, 0x1580, 0x15dc,
7044 0x1600, 0x1658, 0x1680, 0x16d8,
7045 0x1800, 0x1820, 0x1840, 0x1854,
7046 0x1880, 0x1894, 0x1900, 0x1984,
7047 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
7048 0x1c80, 0x1c94, 0x1d00, 0x1d84,
7049 0x2000, 0x2030, 0x23c0, 0x2400,
7050 0x2800, 0x2820, 0x2830, 0x2850,
7051 0x2b40, 0x2c10, 0x2fc0, 0x3058,
7052 0x3c00, 0x3c94, 0x4000, 0x4010,
7053 0x4080, 0x4090, 0x43c0, 0x4458,
7054 0x4c00, 0x4c18, 0x4c40, 0x4c54,
7055 0x4fc0, 0x5010, 0x53c0, 0x5444,
7056 0x5c00, 0x5c18, 0x5c80, 0x5c90,
7057 0x5fc0, 0x6000, 0x6400, 0x6428,
7058 0x6800, 0x6848, 0x684c, 0x6860,
7059 0x6888, 0x6910, 0x8000
7060 };
Michael Chan244ac4f2006-03-20 17:48:46 -08007061
7062 regs->version = 0;
7063
7064 memset(p, 0, BNX2_REGDUMP_LEN);
7065
7066 if (!netif_running(bp->dev))
7067 return;
7068
7069 i = 0;
7070 offset = reg_boundaries[0];
7071 p += offset;
7072 while (offset < BNX2_REGDUMP_LEN) {
Michael Chane503e062012-12-06 10:33:08 +00007073 *p++ = BNX2_RD(bp, offset);
Michael Chan244ac4f2006-03-20 17:48:46 -08007074 offset += 4;
7075 if (offset == reg_boundaries[i + 1]) {
7076 offset = reg_boundaries[i + 2];
7077 p = (u32 *) (orig_p + offset);
7078 i += 2;
7079 }
7080 }
7081}
7082
Michael Chanb6016b72005-05-26 13:03:09 -07007083static void
7084bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7085{
Michael Chan972ec0d2006-01-23 16:12:43 -08007086 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007087
David S. Millerf86e82f2008-01-21 17:15:40 -08007088 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07007089 wol->supported = 0;
7090 wol->wolopts = 0;
7091 }
7092 else {
7093 wol->supported = WAKE_MAGIC;
7094 if (bp->wol)
7095 wol->wolopts = WAKE_MAGIC;
7096 else
7097 wol->wolopts = 0;
7098 }
7099 memset(&wol->sopass, 0, sizeof(wol->sopass));
7100}
7101
7102static int
7103bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7104{
Michael Chan972ec0d2006-01-23 16:12:43 -08007105 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007106
7107 if (wol->wolopts & ~WAKE_MAGIC)
7108 return -EINVAL;
7109
7110 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007111 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07007112 return -EINVAL;
7113
7114 bp->wol = 1;
7115 }
7116 else {
7117 bp->wol = 0;
7118 }
Michael Chan6d5e85c2013-08-06 15:50:08 -07007119
7120 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
7121
Michael Chanb6016b72005-05-26 13:03:09 -07007122 return 0;
7123}
7124
7125static int
7126bnx2_nway_reset(struct net_device *dev)
7127{
Michael Chan972ec0d2006-01-23 16:12:43 -08007128 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007129 u32 bmcr;
7130
Michael Chan9f52b562008-10-09 12:21:46 -07007131 if (!netif_running(dev))
7132 return -EAGAIN;
7133
Michael Chanb6016b72005-05-26 13:03:09 -07007134 if (!(bp->autoneg & AUTONEG_SPEED)) {
7135 return -EINVAL;
7136 }
7137
Michael Chanc770a652005-08-25 15:38:39 -07007138 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007139
Michael Chan583c28e2008-01-21 19:51:35 -08007140 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07007141 int rc;
7142
7143 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
7144 spin_unlock_bh(&bp->phy_lock);
7145 return rc;
7146 }
7147
Michael Chanb6016b72005-05-26 13:03:09 -07007148 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08007149 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07007150 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07007151 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007152
7153 msleep(20);
7154
Michael Chanc770a652005-08-25 15:38:39 -07007155 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08007156
Michael Chan40105c02008-11-12 16:02:45 -08007157 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08007158 bp->serdes_an_pending = 1;
7159 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07007160 }
7161
Michael Chanca58c3a2007-05-03 13:22:52 -07007162 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07007163 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07007164 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07007165
Michael Chanc770a652005-08-25 15:38:39 -07007166 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007167
7168 return 0;
7169}
7170
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007171static u32
7172bnx2_get_link(struct net_device *dev)
7173{
7174 struct bnx2 *bp = netdev_priv(dev);
7175
7176 return bp->link_up;
7177}
7178
Michael Chanb6016b72005-05-26 13:03:09 -07007179static int
7180bnx2_get_eeprom_len(struct net_device *dev)
7181{
Michael Chan972ec0d2006-01-23 16:12:43 -08007182 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007183
Michael Chan1122db72006-01-23 16:11:42 -08007184 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07007185 return 0;
7186
Michael Chan1122db72006-01-23 16:11:42 -08007187 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007188}
7189
7190static int
7191bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7192 u8 *eebuf)
7193{
Michael Chan972ec0d2006-01-23 16:12:43 -08007194 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007195 int rc;
7196
John W. Linville1064e942005-11-10 12:58:24 -08007197 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07007198
7199 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
7200
7201 return rc;
7202}
7203
7204static int
7205bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7206 u8 *eebuf)
7207{
Michael Chan972ec0d2006-01-23 16:12:43 -08007208 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007209 int rc;
7210
John W. Linville1064e942005-11-10 12:58:24 -08007211 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07007212
7213 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7214
7215 return rc;
7216}
7217
7218static int
7219bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7220{
Michael Chan972ec0d2006-01-23 16:12:43 -08007221 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007222
7223 memset(coal, 0, sizeof(struct ethtool_coalesce));
7224
7225 coal->rx_coalesce_usecs = bp->rx_ticks;
7226 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7227 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7228 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7229
7230 coal->tx_coalesce_usecs = bp->tx_ticks;
7231 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7232 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7233 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7234
7235 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7236
7237 return 0;
7238}
7239
7240static int
7241bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7242{
Michael Chan972ec0d2006-01-23 16:12:43 -08007243 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007244
7245 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7246 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7247
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007248 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007249 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7250
7251 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7252 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7253
7254 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7255 if (bp->rx_quick_cons_trip_int > 0xff)
7256 bp->rx_quick_cons_trip_int = 0xff;
7257
7258 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7259 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7260
7261 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7262 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7263
7264 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7265 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7266
7267 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7268 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7269 0xff;
7270
7271 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007272 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007273 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7274 bp->stats_ticks = USEC_PER_SEC;
7275 }
Michael Chan7ea69202007-07-16 18:27:10 -07007276 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7277 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7278 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007279
7280 if (netif_running(bp->dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00007281 bnx2_netif_stop(bp, true);
Michael Chan9a120bc2008-05-16 22:17:45 -07007282 bnx2_init_nic(bp, 0);
Michael Chan212f9932010-04-27 11:28:10 +00007283 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007284 }
7285
7286 return 0;
7287}
7288
7289static void
7290bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7291{
Michael Chan972ec0d2006-01-23 16:12:43 -08007292 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007293
Michael Chan2bc40782012-12-06 10:33:09 +00007294 ering->rx_max_pending = BNX2_MAX_TOTAL_RX_DESC_CNT;
7295 ering->rx_jumbo_max_pending = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007296
7297 ering->rx_pending = bp->rx_ring_size;
Michael Chan47bf4242007-12-12 11:19:12 -08007298 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007299
Michael Chan2bc40782012-12-06 10:33:09 +00007300 ering->tx_max_pending = BNX2_MAX_TX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007301 ering->tx_pending = bp->tx_ring_size;
7302}
7303
7304static int
Michael Chanb0332812012-02-05 15:24:38 +00007305bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx, bool reset_irq)
Michael Chanb6016b72005-05-26 13:03:09 -07007306{
Michael Chan13daffa2006-03-20 17:49:20 -08007307 if (netif_running(bp->dev)) {
Michael Chan354fcd72010-01-17 07:30:44 +00007308 /* Reset will erase chipset stats; save them */
7309 bnx2_save_stats(bp);
7310
Michael Chan212f9932010-04-27 11:28:10 +00007311 bnx2_netif_stop(bp, true);
Michael Chan13daffa2006-03-20 17:49:20 -08007312 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
Michael Chanb0332812012-02-05 15:24:38 +00007313 if (reset_irq) {
7314 bnx2_free_irq(bp);
7315 bnx2_del_napi(bp);
7316 } else {
7317 __bnx2_free_irq(bp);
7318 }
Michael Chan13daffa2006-03-20 17:49:20 -08007319 bnx2_free_skbs(bp);
7320 bnx2_free_mem(bp);
7321 }
7322
Michael Chan5d5d0012007-12-12 11:17:43 -08007323 bnx2_set_rx_ring_size(bp, rx);
7324 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007325
7326 if (netif_running(bp->dev)) {
Michael Chanb0332812012-02-05 15:24:38 +00007327 int rc = 0;
Michael Chan13daffa2006-03-20 17:49:20 -08007328
Michael Chanb0332812012-02-05 15:24:38 +00007329 if (reset_irq) {
7330 rc = bnx2_setup_int_mode(bp, disable_msi);
7331 bnx2_init_napi(bp);
7332 }
7333
7334 if (!rc)
7335 rc = bnx2_alloc_mem(bp);
7336
Michael Chan6fefb65e2009-08-21 16:20:45 +00007337 if (!rc)
Michael Chana29ba9d2010-12-31 11:03:14 -08007338 rc = bnx2_request_irq(bp);
7339
7340 if (!rc)
Michael Chan6fefb65e2009-08-21 16:20:45 +00007341 rc = bnx2_init_nic(bp, 0);
7342
7343 if (rc) {
7344 bnx2_napi_enable(bp);
7345 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007346 return rc;
Michael Chan6fefb65e2009-08-21 16:20:45 +00007347 }
Michael Chane9f26c42010-02-15 19:42:08 +00007348#ifdef BCM_CNIC
7349 mutex_lock(&bp->cnic_lock);
7350 /* Let cnic know about the new status block. */
7351 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7352 bnx2_setup_cnic_irq_info(bp);
7353 mutex_unlock(&bp->cnic_lock);
7354#endif
Michael Chan212f9932010-04-27 11:28:10 +00007355 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007356 }
Michael Chanb6016b72005-05-26 13:03:09 -07007357 return 0;
7358}
7359
Michael Chan5d5d0012007-12-12 11:17:43 -08007360static int
7361bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7362{
7363 struct bnx2 *bp = netdev_priv(dev);
7364 int rc;
7365
Michael Chan2bc40782012-12-06 10:33:09 +00007366 if ((ering->rx_pending > BNX2_MAX_TOTAL_RX_DESC_CNT) ||
7367 (ering->tx_pending > BNX2_MAX_TX_DESC_CNT) ||
Michael Chan5d5d0012007-12-12 11:17:43 -08007368 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7369
7370 return -EINVAL;
7371 }
Michael Chanb0332812012-02-05 15:24:38 +00007372 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending,
7373 false);
Michael Chan5d5d0012007-12-12 11:17:43 -08007374 return rc;
7375}
7376
Michael Chanb6016b72005-05-26 13:03:09 -07007377static void
7378bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7379{
Michael Chan972ec0d2006-01-23 16:12:43 -08007380 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007381
7382 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7383 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7384 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7385}
7386
7387static int
7388bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7389{
Michael Chan972ec0d2006-01-23 16:12:43 -08007390 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007391
7392 bp->req_flow_ctrl = 0;
7393 if (epause->rx_pause)
7394 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7395 if (epause->tx_pause)
7396 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7397
7398 if (epause->autoneg) {
7399 bp->autoneg |= AUTONEG_FLOW_CTRL;
7400 }
7401 else {
7402 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7403 }
7404
Michael Chan9f52b562008-10-09 12:21:46 -07007405 if (netif_running(dev)) {
7406 spin_lock_bh(&bp->phy_lock);
7407 bnx2_setup_phy(bp, bp->phy_port);
7408 spin_unlock_bh(&bp->phy_lock);
7409 }
Michael Chanb6016b72005-05-26 13:03:09 -07007410
7411 return 0;
7412}
7413
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007414static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007415 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007416} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007417 { "rx_bytes" },
7418 { "rx_error_bytes" },
7419 { "tx_bytes" },
7420 { "tx_error_bytes" },
7421 { "rx_ucast_packets" },
7422 { "rx_mcast_packets" },
7423 { "rx_bcast_packets" },
7424 { "tx_ucast_packets" },
7425 { "tx_mcast_packets" },
7426 { "tx_bcast_packets" },
7427 { "tx_mac_errors" },
7428 { "tx_carrier_errors" },
7429 { "rx_crc_errors" },
7430 { "rx_align_errors" },
7431 { "tx_single_collisions" },
7432 { "tx_multi_collisions" },
7433 { "tx_deferred" },
7434 { "tx_excess_collisions" },
7435 { "tx_late_collisions" },
7436 { "tx_total_collisions" },
7437 { "rx_fragments" },
7438 { "rx_jabbers" },
7439 { "rx_undersize_packets" },
7440 { "rx_oversize_packets" },
7441 { "rx_64_byte_packets" },
7442 { "rx_65_to_127_byte_packets" },
7443 { "rx_128_to_255_byte_packets" },
7444 { "rx_256_to_511_byte_packets" },
7445 { "rx_512_to_1023_byte_packets" },
7446 { "rx_1024_to_1522_byte_packets" },
7447 { "rx_1523_to_9022_byte_packets" },
7448 { "tx_64_byte_packets" },
7449 { "tx_65_to_127_byte_packets" },
7450 { "tx_128_to_255_byte_packets" },
7451 { "tx_256_to_511_byte_packets" },
7452 { "tx_512_to_1023_byte_packets" },
7453 { "tx_1024_to_1522_byte_packets" },
7454 { "tx_1523_to_9022_byte_packets" },
7455 { "rx_xon_frames" },
7456 { "rx_xoff_frames" },
7457 { "tx_xon_frames" },
7458 { "tx_xoff_frames" },
7459 { "rx_mac_ctrl_frames" },
7460 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007461 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007462 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007463 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007464};
7465
Jim Cromie0db83cd2012-04-10 14:56:03 +00007466#define BNX2_NUM_STATS ARRAY_SIZE(bnx2_stats_str_arr)
Michael Chan790dab22009-08-21 16:20:47 +00007467
Michael Chanb6016b72005-05-26 13:03:09 -07007468#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7469
Arjan van de Venf71e1302006-03-03 21:33:57 -05007470static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007471 STATS_OFFSET32(stat_IfHCInOctets_hi),
7472 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7473 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7474 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7475 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7476 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7477 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7478 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7479 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7480 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7481 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007482 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7483 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7484 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7485 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7486 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7487 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7488 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7489 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7490 STATS_OFFSET32(stat_EtherStatsCollisions),
7491 STATS_OFFSET32(stat_EtherStatsFragments),
7492 STATS_OFFSET32(stat_EtherStatsJabbers),
7493 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7494 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7495 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7496 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7497 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7498 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7499 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7500 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7501 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7502 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7503 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7504 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7505 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7506 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7507 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7508 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7509 STATS_OFFSET32(stat_XonPauseFramesReceived),
7510 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7511 STATS_OFFSET32(stat_OutXonSent),
7512 STATS_OFFSET32(stat_OutXoffSent),
7513 STATS_OFFSET32(stat_MacControlFramesReceived),
7514 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007515 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007516 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007517 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007518};
7519
7520/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7521 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007522 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007523static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007524 8,0,8,8,8,8,8,8,8,8,
7525 4,0,4,4,4,4,4,4,4,4,
7526 4,4,4,4,4,4,4,4,4,4,
7527 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007528 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007529};
7530
Michael Chan5b0c76a2005-11-04 08:45:49 -08007531static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7532 8,0,8,8,8,8,8,8,8,8,
7533 4,4,4,4,4,4,4,4,4,4,
7534 4,4,4,4,4,4,4,4,4,4,
7535 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007536 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007537};
7538
Michael Chanb6016b72005-05-26 13:03:09 -07007539#define BNX2_NUM_TESTS 6
7540
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007541static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007542 char string[ETH_GSTRING_LEN];
7543} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7544 { "register_test (offline)" },
7545 { "memory_test (offline)" },
7546 { "loopback_test (offline)" },
7547 { "nvram_test (online)" },
7548 { "interrupt_test (online)" },
7549 { "link_test (online)" },
7550};
7551
7552static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007553bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007554{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007555 switch (sset) {
7556 case ETH_SS_TEST:
7557 return BNX2_NUM_TESTS;
7558 case ETH_SS_STATS:
7559 return BNX2_NUM_STATS;
7560 default:
7561 return -EOPNOTSUPP;
7562 }
Michael Chanb6016b72005-05-26 13:03:09 -07007563}
7564
7565static void
7566bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7567{
Michael Chan972ec0d2006-01-23 16:12:43 -08007568 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007569
7570 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7571 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007572 int i;
7573
Michael Chan212f9932010-04-27 11:28:10 +00007574 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007575 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7576 bnx2_free_skbs(bp);
7577
7578 if (bnx2_test_registers(bp) != 0) {
7579 buf[0] = 1;
7580 etest->flags |= ETH_TEST_FL_FAILED;
7581 }
7582 if (bnx2_test_memory(bp) != 0) {
7583 buf[1] = 1;
7584 etest->flags |= ETH_TEST_FL_FAILED;
7585 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007586 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007587 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007588
Michael Chan9f52b562008-10-09 12:21:46 -07007589 if (!netif_running(bp->dev))
7590 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007591 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007592 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00007593 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007594 }
7595
7596 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007597 for (i = 0; i < 7; i++) {
7598 if (bp->link_up)
7599 break;
7600 msleep_interruptible(1000);
7601 }
Michael Chanb6016b72005-05-26 13:03:09 -07007602 }
7603
7604 if (bnx2_test_nvram(bp) != 0) {
7605 buf[3] = 1;
7606 etest->flags |= ETH_TEST_FL_FAILED;
7607 }
7608 if (bnx2_test_intr(bp) != 0) {
7609 buf[4] = 1;
7610 etest->flags |= ETH_TEST_FL_FAILED;
7611 }
7612
7613 if (bnx2_test_link(bp) != 0) {
7614 buf[5] = 1;
7615 etest->flags |= ETH_TEST_FL_FAILED;
7616
7617 }
7618}
7619
7620static void
7621bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7622{
7623 switch (stringset) {
7624 case ETH_SS_STATS:
7625 memcpy(buf, bnx2_stats_str_arr,
7626 sizeof(bnx2_stats_str_arr));
7627 break;
7628 case ETH_SS_TEST:
7629 memcpy(buf, bnx2_tests_str_arr,
7630 sizeof(bnx2_tests_str_arr));
7631 break;
7632 }
7633}
7634
Michael Chanb6016b72005-05-26 13:03:09 -07007635static void
7636bnx2_get_ethtool_stats(struct net_device *dev,
7637 struct ethtool_stats *stats, u64 *buf)
7638{
Michael Chan972ec0d2006-01-23 16:12:43 -08007639 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007640 int i;
7641 u32 *hw_stats = (u32 *) bp->stats_blk;
Michael Chan354fcd72010-01-17 07:30:44 +00007642 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007643 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007644
7645 if (hw_stats == NULL) {
7646 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7647 return;
7648 }
7649
Michael Chan4ce45e02012-12-06 10:33:10 +00007650 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
7651 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) ||
7652 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A2) ||
7653 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007654 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007655 else
7656 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007657
7658 for (i = 0; i < BNX2_NUM_STATS; i++) {
Michael Chan354fcd72010-01-17 07:30:44 +00007659 unsigned long offset;
7660
Michael Chanb6016b72005-05-26 13:03:09 -07007661 if (stats_len_arr[i] == 0) {
7662 /* skip this counter */
7663 buf[i] = 0;
7664 continue;
7665 }
Michael Chan354fcd72010-01-17 07:30:44 +00007666
7667 offset = bnx2_stats_offset_arr[i];
Michael Chanb6016b72005-05-26 13:03:09 -07007668 if (stats_len_arr[i] == 4) {
7669 /* 4-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007670 buf[i] = (u64) *(hw_stats + offset) +
7671 *(temp_stats + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07007672 continue;
7673 }
7674 /* 8-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007675 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7676 *(hw_stats + offset + 1) +
7677 (((u64) *(temp_stats + offset)) << 32) +
7678 *(temp_stats + offset + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007679 }
7680}
7681
7682static int
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007683bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
Michael Chanb6016b72005-05-26 13:03:09 -07007684{
Michael Chan972ec0d2006-01-23 16:12:43 -08007685 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007686
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007687 switch (state) {
7688 case ETHTOOL_ID_ACTIVE:
Michael Chane503e062012-12-06 10:33:08 +00007689 bp->leds_save = BNX2_RD(bp, BNX2_MISC_CFG);
7690 BNX2_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
Allan, Bruce Wfce55922011-04-13 13:09:10 +00007691 return 1; /* cycle on/off once per second */
Michael Chanb6016b72005-05-26 13:03:09 -07007692
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007693 case ETHTOOL_ID_ON:
Michael Chane503e062012-12-06 10:33:08 +00007694 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7695 BNX2_EMAC_LED_1000MB_OVERRIDE |
7696 BNX2_EMAC_LED_100MB_OVERRIDE |
7697 BNX2_EMAC_LED_10MB_OVERRIDE |
7698 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7699 BNX2_EMAC_LED_TRAFFIC);
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007700 break;
Michael Chanb6016b72005-05-26 13:03:09 -07007701
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007702 case ETHTOOL_ID_OFF:
Michael Chane503e062012-12-06 10:33:08 +00007703 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007704 break;
7705
7706 case ETHTOOL_ID_INACTIVE:
Michael Chane503e062012-12-06 10:33:08 +00007707 BNX2_WR(bp, BNX2_EMAC_LED, 0);
7708 BNX2_WR(bp, BNX2_MISC_CFG, bp->leds_save);
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007709 break;
Michael Chanb6016b72005-05-26 13:03:09 -07007710 }
Michael Chan9f52b562008-10-09 12:21:46 -07007711
Michael Chanb6016b72005-05-26 13:03:09 -07007712 return 0;
7713}
7714
Michał Mirosławc8f44af2011-11-15 15:29:55 +00007715static netdev_features_t
7716bnx2_fix_features(struct net_device *dev, netdev_features_t features)
Michael Chan4666f872007-05-03 13:22:28 -07007717{
7718 struct bnx2 *bp = netdev_priv(dev);
7719
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007720 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Patrick McHardyf6469682013-04-19 02:04:27 +00007721 features |= NETIF_F_HW_VLAN_CTAG_RX;
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007722
7723 return features;
Michael Chan4666f872007-05-03 13:22:28 -07007724}
7725
Michael Chanfdc85412010-07-03 20:42:16 +00007726static int
Michał Mirosławc8f44af2011-11-15 15:29:55 +00007727bnx2_set_features(struct net_device *dev, netdev_features_t features)
Michael Chanfdc85412010-07-03 20:42:16 +00007728{
Jesse Gross7d0fd212010-10-20 13:56:09 +00007729 struct bnx2 *bp = netdev_priv(dev);
Jesse Gross7d0fd212010-10-20 13:56:09 +00007730
Michael Chan7c810472011-01-24 12:59:02 +00007731 /* TSO with VLAN tag won't work with current firmware */
Patrick McHardyf6469682013-04-19 02:04:27 +00007732 if (features & NETIF_F_HW_VLAN_CTAG_TX)
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007733 dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO);
7734 else
7735 dev->vlan_features &= ~NETIF_F_ALL_TSO;
Michael Chan7c810472011-01-24 12:59:02 +00007736
Patrick McHardyf6469682013-04-19 02:04:27 +00007737 if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) !=
Jesse Gross7d0fd212010-10-20 13:56:09 +00007738 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
7739 netif_running(dev)) {
7740 bnx2_netif_stop(bp, false);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007741 dev->features = features;
Jesse Gross7d0fd212010-10-20 13:56:09 +00007742 bnx2_set_rx_mode(dev);
7743 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
7744 bnx2_netif_start(bp, false);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007745 return 1;
Jesse Gross7d0fd212010-10-20 13:56:09 +00007746 }
7747
7748 return 0;
Michael Chanfdc85412010-07-03 20:42:16 +00007749}
7750
Michael Chanb0332812012-02-05 15:24:38 +00007751static void bnx2_get_channels(struct net_device *dev,
7752 struct ethtool_channels *channels)
7753{
7754 struct bnx2 *bp = netdev_priv(dev);
7755 u32 max_rx_rings = 1;
7756 u32 max_tx_rings = 1;
7757
7758 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7759 max_rx_rings = RX_MAX_RINGS;
7760 max_tx_rings = TX_MAX_RINGS;
7761 }
7762
7763 channels->max_rx = max_rx_rings;
7764 channels->max_tx = max_tx_rings;
7765 channels->max_other = 0;
7766 channels->max_combined = 0;
7767 channels->rx_count = bp->num_rx_rings;
7768 channels->tx_count = bp->num_tx_rings;
7769 channels->other_count = 0;
7770 channels->combined_count = 0;
7771}
7772
7773static int bnx2_set_channels(struct net_device *dev,
7774 struct ethtool_channels *channels)
7775{
7776 struct bnx2 *bp = netdev_priv(dev);
7777 u32 max_rx_rings = 1;
7778 u32 max_tx_rings = 1;
7779 int rc = 0;
7780
7781 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7782 max_rx_rings = RX_MAX_RINGS;
7783 max_tx_rings = TX_MAX_RINGS;
7784 }
7785 if (channels->rx_count > max_rx_rings ||
7786 channels->tx_count > max_tx_rings)
7787 return -EINVAL;
7788
7789 bp->num_req_rx_rings = channels->rx_count;
7790 bp->num_req_tx_rings = channels->tx_count;
7791
7792 if (netif_running(dev))
7793 rc = bnx2_change_ring_size(bp, bp->rx_ring_size,
7794 bp->tx_ring_size, true);
7795
7796 return rc;
7797}
7798
Jeff Garzik7282d492006-09-13 14:30:00 -04007799static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007800 .get_settings = bnx2_get_settings,
7801 .set_settings = bnx2_set_settings,
7802 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007803 .get_regs_len = bnx2_get_regs_len,
7804 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007805 .get_wol = bnx2_get_wol,
7806 .set_wol = bnx2_set_wol,
7807 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007808 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007809 .get_eeprom_len = bnx2_get_eeprom_len,
7810 .get_eeprom = bnx2_get_eeprom,
7811 .set_eeprom = bnx2_set_eeprom,
7812 .get_coalesce = bnx2_get_coalesce,
7813 .set_coalesce = bnx2_set_coalesce,
7814 .get_ringparam = bnx2_get_ringparam,
7815 .set_ringparam = bnx2_set_ringparam,
7816 .get_pauseparam = bnx2_get_pauseparam,
7817 .set_pauseparam = bnx2_set_pauseparam,
Michael Chanb6016b72005-05-26 13:03:09 -07007818 .self_test = bnx2_self_test,
7819 .get_strings = bnx2_get_strings,
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007820 .set_phys_id = bnx2_set_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007821 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007822 .get_sset_count = bnx2_get_sset_count,
Michael Chanb0332812012-02-05 15:24:38 +00007823 .get_channels = bnx2_get_channels,
7824 .set_channels = bnx2_set_channels,
Michael Chanb6016b72005-05-26 13:03:09 -07007825};
7826
7827/* Called with rtnl_lock */
7828static int
7829bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7830{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007831 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007832 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007833 int err;
7834
7835 switch(cmd) {
7836 case SIOCGMIIPHY:
7837 data->phy_id = bp->phy_addr;
7838
7839 /* fallthru */
7840 case SIOCGMIIREG: {
7841 u32 mii_regval;
7842
Michael Chan583c28e2008-01-21 19:51:35 -08007843 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007844 return -EOPNOTSUPP;
7845
Michael Chandad3e452007-05-03 13:18:03 -07007846 if (!netif_running(dev))
7847 return -EAGAIN;
7848
Michael Chanc770a652005-08-25 15:38:39 -07007849 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007850 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007851 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007852
7853 data->val_out = mii_regval;
7854
7855 return err;
7856 }
7857
7858 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007859 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007860 return -EOPNOTSUPP;
7861
Michael Chandad3e452007-05-03 13:18:03 -07007862 if (!netif_running(dev))
7863 return -EAGAIN;
7864
Michael Chanc770a652005-08-25 15:38:39 -07007865 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007866 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007867 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007868
7869 return err;
7870
7871 default:
7872 /* do nothing */
7873 break;
7874 }
7875 return -EOPNOTSUPP;
7876}
7877
7878/* Called with rtnl_lock */
7879static int
7880bnx2_change_mac_addr(struct net_device *dev, void *p)
7881{
7882 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007883 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007884
Michael Chan73eef4c2005-08-25 15:39:15 -07007885 if (!is_valid_ether_addr(addr->sa_data))
Danny Kukawka504f9b52012-02-21 02:07:49 +00007886 return -EADDRNOTAVAIL;
Michael Chan73eef4c2005-08-25 15:39:15 -07007887
Michael Chanb6016b72005-05-26 13:03:09 -07007888 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7889 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007890 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007891
7892 return 0;
7893}
7894
7895/* Called with rtnl_lock */
7896static int
7897bnx2_change_mtu(struct net_device *dev, int new_mtu)
7898{
Michael Chan972ec0d2006-01-23 16:12:43 -08007899 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007900
7901 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7902 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7903 return -EINVAL;
7904
7905 dev->mtu = new_mtu;
Michael Chanb0332812012-02-05 15:24:38 +00007906 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size,
7907 false);
Michael Chanb6016b72005-05-26 13:03:09 -07007908}
7909
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00007910#ifdef CONFIG_NET_POLL_CONTROLLER
Michael Chanb6016b72005-05-26 13:03:09 -07007911static void
7912poll_bnx2(struct net_device *dev)
7913{
Michael Chan972ec0d2006-01-23 16:12:43 -08007914 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007915 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007916
Neil Hormanb2af2c12008-11-12 16:23:44 -08007917 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan1bf1e342010-03-23 13:13:12 +00007918 struct bnx2_irq *irq = &bp->irq_tbl[i];
7919
7920 disable_irq(irq->vector);
7921 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7922 enable_irq(irq->vector);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007923 }
Michael Chanb6016b72005-05-26 13:03:09 -07007924}
7925#endif
7926
Bill Pembertoncfd95a62012-12-03 09:22:58 -05007927static void
Michael Chan253c8b72007-01-08 19:56:01 -08007928bnx2_get_5709_media(struct bnx2 *bp)
7929{
Michael Chane503e062012-12-06 10:33:08 +00007930 u32 val = BNX2_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
Michael Chan253c8b72007-01-08 19:56:01 -08007931 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7932 u32 strap;
7933
7934 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7935 return;
7936 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007937 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007938 return;
7939 }
7940
7941 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7942 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7943 else
7944 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7945
Michael Chanaefd90e2012-06-16 15:45:43 +00007946 if (bp->func == 0) {
Michael Chan253c8b72007-01-08 19:56:01 -08007947 switch (strap) {
7948 case 0x4:
7949 case 0x5:
7950 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007951 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007952 return;
7953 }
7954 } else {
7955 switch (strap) {
7956 case 0x1:
7957 case 0x2:
7958 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007959 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b72007-01-08 19:56:01 -08007960 return;
7961 }
7962 }
7963}
7964
Bill Pembertoncfd95a62012-12-03 09:22:58 -05007965static void
Michael Chan883e5152007-05-03 13:25:11 -07007966bnx2_get_pci_speed(struct bnx2 *bp)
7967{
7968 u32 reg;
7969
Michael Chane503e062012-12-06 10:33:08 +00007970 reg = BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS);
Michael Chan883e5152007-05-03 13:25:11 -07007971 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7972 u32 clkreg;
7973
David S. Millerf86e82f2008-01-21 17:15:40 -08007974 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007975
Michael Chane503e062012-12-06 10:33:08 +00007976 clkreg = BNX2_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
Michael Chan883e5152007-05-03 13:25:11 -07007977
7978 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7979 switch (clkreg) {
7980 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7981 bp->bus_speed_mhz = 133;
7982 break;
7983
7984 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7985 bp->bus_speed_mhz = 100;
7986 break;
7987
7988 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7989 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7990 bp->bus_speed_mhz = 66;
7991 break;
7992
7993 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7994 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7995 bp->bus_speed_mhz = 50;
7996 break;
7997
7998 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7999 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
8000 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
8001 bp->bus_speed_mhz = 33;
8002 break;
8003 }
8004 }
8005 else {
8006 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
8007 bp->bus_speed_mhz = 66;
8008 else
8009 bp->bus_speed_mhz = 33;
8010 }
8011
8012 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08008013 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07008014
8015}
8016
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008017static void
Michael Chan76d99062009-12-03 09:46:34 +00008018bnx2_read_vpd_fw_ver(struct bnx2 *bp)
8019{
Matt Carlsondf25bc32010-02-26 14:04:44 +00008020 int rc, i, j;
Michael Chan76d99062009-12-03 09:46:34 +00008021 u8 *data;
Matt Carlsondf25bc32010-02-26 14:04:44 +00008022 unsigned int block_end, rosize, len;
Michael Chan76d99062009-12-03 09:46:34 +00008023
Michael Chan012093f2009-12-03 15:58:00 -08008024#define BNX2_VPD_NVRAM_OFFSET 0x300
8025#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00008026#define BNX2_MAX_VER_SLEN 30
8027
8028 data = kmalloc(256, GFP_KERNEL);
8029 if (!data)
8030 return;
8031
Michael Chan012093f2009-12-03 15:58:00 -08008032 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
8033 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00008034 if (rc)
8035 goto vpd_done;
8036
Michael Chan012093f2009-12-03 15:58:00 -08008037 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
8038 data[i] = data[i + BNX2_VPD_LEN + 3];
8039 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
8040 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
8041 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00008042 }
8043
Matt Carlsondf25bc32010-02-26 14:04:44 +00008044 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
8045 if (i < 0)
Michael Chan76d99062009-12-03 09:46:34 +00008046 goto vpd_done;
Matt Carlsondf25bc32010-02-26 14:04:44 +00008047
8048 rosize = pci_vpd_lrdt_size(&data[i]);
8049 i += PCI_VPD_LRDT_TAG_SIZE;
8050 block_end = i + rosize;
8051
8052 if (block_end > BNX2_VPD_LEN)
8053 goto vpd_done;
8054
8055 j = pci_vpd_find_info_keyword(data, i, rosize,
8056 PCI_VPD_RO_KEYWORD_MFR_ID);
8057 if (j < 0)
8058 goto vpd_done;
8059
8060 len = pci_vpd_info_field_size(&data[j]);
8061
8062 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8063 if (j + len > block_end || len != 4 ||
8064 memcmp(&data[j], "1028", 4))
8065 goto vpd_done;
8066
8067 j = pci_vpd_find_info_keyword(data, i, rosize,
8068 PCI_VPD_RO_KEYWORD_VENDOR0);
8069 if (j < 0)
8070 goto vpd_done;
8071
8072 len = pci_vpd_info_field_size(&data[j]);
8073
8074 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8075 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
8076 goto vpd_done;
8077
8078 memcpy(bp->fw_version, &data[j], len);
8079 bp->fw_version[len] = ' ';
Michael Chan76d99062009-12-03 09:46:34 +00008080
8081vpd_done:
8082 kfree(data);
8083}
8084
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008085static int
Michael Chanb6016b72005-05-26 13:03:09 -07008086bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
8087{
8088 struct bnx2 *bp;
Michael Chan58fc2ea2007-07-07 22:52:02 -07008089 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07008090 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07008091 u64 dma_mask, persist_dma_mask;
John Feeneycd709aa2010-08-22 17:45:53 +00008092 int err;
Michael Chanb6016b72005-05-26 13:03:09 -07008093
Michael Chanb6016b72005-05-26 13:03:09 -07008094 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008095 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008096
8097 bp->flags = 0;
8098 bp->phy_flags = 0;
8099
Michael Chan354fcd72010-01-17 07:30:44 +00008100 bp->temp_stats_blk =
8101 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
8102
8103 if (bp->temp_stats_blk == NULL) {
8104 rc = -ENOMEM;
8105 goto err_out;
8106 }
8107
Michael Chanb6016b72005-05-26 13:03:09 -07008108 /* enable device (incl. PCI PM wakeup), and bus-mastering */
8109 rc = pci_enable_device(pdev);
8110 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008111 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008112 goto err_out;
8113 }
8114
8115 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008116 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008117 "Cannot find PCI device base address, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008118 rc = -ENODEV;
8119 goto err_out_disable;
8120 }
8121
8122 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
8123 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008124 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008125 goto err_out_disable;
8126 }
8127
8128 pci_set_master(pdev);
8129
Yijing Wang85768272013-06-18 16:12:37 +08008130 bp->pm_cap = pdev->pm_cap;
Michael Chanb6016b72005-05-26 13:03:09 -07008131 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008132 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008133 "Cannot find power management capability, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008134 rc = -EIO;
8135 goto err_out_release;
8136 }
8137
Michael Chanb6016b72005-05-26 13:03:09 -07008138 bp->dev = dev;
8139 bp->pdev = pdev;
8140
8141 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07008142 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00008143#ifdef BCM_CNIC
8144 mutex_init(&bp->cnic_lock);
8145#endif
David Howellsc4028952006-11-22 14:57:56 +00008146 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07008147
Francois Romieuc0357e92012-03-09 14:51:47 +01008148 bp->regview = pci_iomap(pdev, 0, MB_GET_CID_ADDR(TX_TSS_CID +
8149 TX_MAX_TSS_RINGS + 1));
Michael Chanb6016b72005-05-26 13:03:09 -07008150 if (!bp->regview) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008151 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008152 rc = -ENOMEM;
8153 goto err_out_release;
8154 }
8155
8156 /* Configure byte swap and enable write to the reg_window registers.
8157 * Rely on CPU to do target byte swapping on big endian systems
8158 * The chip's target access swapping will not swap all accesses
8159 */
Michael Chane503e062012-12-06 10:33:08 +00008160 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG,
8161 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
8162 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
Michael Chanb6016b72005-05-26 13:03:09 -07008163
Michael Chane503e062012-12-06 10:33:08 +00008164 bp->chip_id = BNX2_RD(bp, BNX2_MISC_ID);
Michael Chanb6016b72005-05-26 13:03:09 -07008165
Michael Chan4ce45e02012-12-06 10:33:10 +00008166 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Jon Masone82760e2011-06-27 07:44:43 +00008167 if (!pci_is_pcie(pdev)) {
8168 dev_err(&pdev->dev, "Not PCIE, aborting\n");
Michael Chan883e5152007-05-03 13:25:11 -07008169 rc = -EIO;
8170 goto err_out_unmap;
8171 }
David S. Millerf86e82f2008-01-21 17:15:40 -08008172 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan4ce45e02012-12-06 10:33:10 +00008173 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08008174 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chanc239f272010-10-11 16:12:28 -07008175
8176 /* AER (Advanced Error Reporting) hooks */
8177 err = pci_enable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008178 if (!err)
8179 bp->flags |= BNX2_FLAG_AER_ENABLED;
Michael Chanc239f272010-10-11 16:12:28 -07008180
Michael Chan883e5152007-05-03 13:25:11 -07008181 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08008182 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
8183 if (bp->pcix_cap == 0) {
8184 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008185 "Cannot find PCIX capability, aborting\n");
Michael Chan59b47d82006-11-19 14:10:45 -08008186 rc = -EIO;
8187 goto err_out_unmap;
8188 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00008189 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08008190 }
8191
Michael Chan4ce45e02012-12-06 10:33:10 +00008192 if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8193 BNX2_CHIP_REV(bp) != BNX2_CHIP_REV_Ax) {
Yijing Wang555a8422013-08-08 21:02:22 +08008194 if (pdev->msix_cap)
David S. Millerf86e82f2008-01-21 17:15:40 -08008195 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08008196 }
8197
Michael Chan4ce45e02012-12-06 10:33:10 +00008198 if (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0 &&
8199 BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A1) {
Yijing Wang555a8422013-08-08 21:02:22 +08008200 if (pdev->msi_cap)
David S. Millerf86e82f2008-01-21 17:15:40 -08008201 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07008202 }
8203
Michael Chan40453c82007-05-03 13:19:18 -07008204 /* 5708 cannot support DMA addresses > 40-bit. */
Michael Chan4ce45e02012-12-06 10:33:10 +00008205 if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07008206 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07008207 else
Yang Hongyang6a355282009-04-06 19:01:13 -07008208 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07008209
8210 /* Configure DMA attributes. */
8211 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
8212 dev->features |= NETIF_F_HIGHDMA;
8213 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
8214 if (rc) {
8215 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008216 "pci_set_consistent_dma_mask failed, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07008217 goto err_out_unmap;
8218 }
Yang Hongyang284901a2009-04-06 19:01:15 -07008219 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008220 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07008221 goto err_out_unmap;
8222 }
8223
David S. Millerf86e82f2008-01-21 17:15:40 -08008224 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07008225 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008226
8227 /* 5706A0 may falsely detect SERR and PERR. */
Michael Chan4ce45e02012-12-06 10:33:10 +00008228 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chane503e062012-12-06 10:33:08 +00008229 reg = BNX2_RD(bp, PCI_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07008230 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
Michael Chane503e062012-12-06 10:33:08 +00008231 BNX2_WR(bp, PCI_COMMAND, reg);
Michael Chan4ce45e02012-12-06 10:33:10 +00008232 } else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08008233 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07008234
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008235 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008236 "5706 A1 can only be used in a PCIX bus, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008237 goto err_out_unmap;
8238 }
8239
8240 bnx2_init_nvram(bp);
8241
Michael Chan2726d6e2008-01-29 21:35:05 -08008242 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08008243
Michael Chanaefd90e2012-06-16 15:45:43 +00008244 if (bnx2_reg_rd_ind(bp, BNX2_MCP_TOE_ID) & BNX2_MCP_TOE_ID_FUNCTION_ID)
8245 bp->func = 1;
8246
Michael Chane3648b32005-11-04 08:51:21 -08008247 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08008248 BNX2_SHM_HDR_SIGNATURE_SIG) {
Michael Chanaefd90e2012-06-16 15:45:43 +00008249 u32 off = bp->func << 2;
Michael Chan24cb2302007-01-25 15:49:56 -08008250
Michael Chan2726d6e2008-01-29 21:35:05 -08008251 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08008252 } else
Michael Chane3648b32005-11-04 08:51:21 -08008253 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8254
Michael Chanb6016b72005-05-26 13:03:09 -07008255 /* Get the permanent MAC address. First we need to make sure the
8256 * firmware is actually running.
8257 */
Michael Chan2726d6e2008-01-29 21:35:05 -08008258 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07008259
8260 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8261 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008262 dev_err(&pdev->dev, "Firmware not running, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008263 rc = -ENODEV;
8264 goto err_out_unmap;
8265 }
8266
Michael Chan76d99062009-12-03 09:46:34 +00008267 bnx2_read_vpd_fw_ver(bp);
8268
8269 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08008270 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00008271 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07008272 u8 num, k, skip0;
8273
Michael Chan76d99062009-12-03 09:46:34 +00008274 if (i == 0) {
8275 bp->fw_version[j++] = 'b';
8276 bp->fw_version[j++] = 'c';
8277 bp->fw_version[j++] = ' ';
8278 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008279 num = (u8) (reg >> (24 - (i * 8)));
8280 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8281 if (num >= k || !skip0 || k == 1) {
8282 bp->fw_version[j++] = (num / k) + '0';
8283 skip0 = 0;
8284 }
8285 }
8286 if (i != 2)
8287 bp->fw_version[j++] = '.';
8288 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008289 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008290 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8291 bp->wol = 1;
8292
8293 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008294 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008295
8296 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008297 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008298 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8299 break;
8300 msleep(10);
8301 }
8302 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008303 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008304 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8305 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8306 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008307 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008308
Michael Chan76d99062009-12-03 09:46:34 +00008309 if (j < 32)
8310 bp->fw_version[j++] = ' ';
8311 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008312 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan3aeb7d22011-07-20 14:55:25 +00008313 reg = be32_to_cpu(reg);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008314 memcpy(&bp->fw_version[j], &reg, 4);
8315 j += 4;
8316 }
8317 }
Michael Chanb6016b72005-05-26 13:03:09 -07008318
Michael Chan2726d6e2008-01-29 21:35:05 -08008319 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008320 bp->mac_addr[0] = (u8) (reg >> 8);
8321 bp->mac_addr[1] = (u8) reg;
8322
Michael Chan2726d6e2008-01-29 21:35:05 -08008323 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008324 bp->mac_addr[2] = (u8) (reg >> 24);
8325 bp->mac_addr[3] = (u8) (reg >> 16);
8326 bp->mac_addr[4] = (u8) (reg >> 8);
8327 bp->mac_addr[5] = (u8) reg;
8328
Michael Chan2bc40782012-12-06 10:33:09 +00008329 bp->tx_ring_size = BNX2_MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008330 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008331
Michael Chancf7474a2009-08-21 16:20:48 +00008332 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008333 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008334 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008335 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008336
Michael Chancf7474a2009-08-21 16:20:48 +00008337 bp->rx_quick_cons_trip_int = 2;
8338 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008339 bp->rx_ticks_int = 18;
8340 bp->rx_ticks = 18;
8341
Michael Chan7ea69202007-07-16 18:27:10 -07008342 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008343
Benjamin Liac392ab2008-09-18 16:40:49 -07008344 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008345
Michael Chan5b0c76a2005-11-04 08:45:49 -08008346 bp->phy_addr = 1;
8347
Michael Chanb6016b72005-05-26 13:03:09 -07008348 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan4ce45e02012-12-06 10:33:10 +00008349 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan253c8b72007-01-08 19:56:01 -08008350 bnx2_get_5709_media(bp);
Michael Chan4ce45e02012-12-06 10:33:10 +00008351 else if (BNX2_CHIP_BOND(bp) & BNX2_CHIP_BOND_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008352 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008353
Michael Chan0d8a6572007-07-07 22:49:43 -07008354 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008355 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008356 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008357 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008358 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008359 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008360 bp->wol = 0;
8361 }
Michael Chan4ce45e02012-12-06 10:33:10 +00008362 if (BNX2_CHIP(bp) == BNX2_CHIP_5706) {
Michael Chan38ea3682008-02-23 19:48:57 -08008363 /* Don't do parallel detect on this board because of
8364 * some board problems. The link will not go down
8365 * if we do parallel detect.
8366 */
8367 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8368 pdev->subsystem_device == 0x310c)
8369 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8370 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008371 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008372 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008373 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008374 }
Michael Chan4ce45e02012-12-06 10:33:10 +00008375 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5706 ||
8376 BNX2_CHIP(bp) == BNX2_CHIP_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008377 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chan4ce45e02012-12-06 10:33:10 +00008378 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8379 (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax ||
8380 BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008381 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008382
Michael Chan7c62e832008-07-14 22:39:03 -07008383 bnx2_init_fw_cap(bp);
8384
Michael Chan4ce45e02012-12-06 10:33:10 +00008385 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
8386 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
8387 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1) ||
Michael Chane503e062012-12-06 10:33:08 +00008388 !(BNX2_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008389 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008390 bp->wol = 0;
8391 }
Michael Chandda1e392006-01-23 16:08:14 -08008392
Michael Chan6d5e85c2013-08-06 15:50:08 -07008393 if (bp->flags & BNX2_FLAG_NO_WOL)
8394 device_set_wakeup_capable(&bp->pdev->dev, false);
8395 else
8396 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
8397
Michael Chan4ce45e02012-12-06 10:33:10 +00008398 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chanb6016b72005-05-26 13:03:09 -07008399 bp->tx_quick_cons_trip_int =
8400 bp->tx_quick_cons_trip;
8401 bp->tx_ticks_int = bp->tx_ticks;
8402 bp->rx_quick_cons_trip_int =
8403 bp->rx_quick_cons_trip;
8404 bp->rx_ticks_int = bp->rx_ticks;
8405 bp->comp_prod_trip_int = bp->comp_prod_trip;
8406 bp->com_ticks_int = bp->com_ticks;
8407 bp->cmd_ticks_int = bp->cmd_ticks;
8408 }
8409
Michael Chanf9317a42006-09-29 17:06:23 -07008410 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8411 *
8412 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8413 * with byte enables disabled on the unused 32-bit word. This is legal
8414 * but causes problems on the AMD 8132 which will eventually stop
8415 * responding after a while.
8416 *
8417 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008418 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008419 */
Michael Chan4ce45e02012-12-06 10:33:10 +00008420 if (BNX2_CHIP(bp) == BNX2_CHIP_5706 && disable_msi == 0) {
Michael Chanf9317a42006-09-29 17:06:23 -07008421 struct pci_dev *amd_8132 = NULL;
8422
8423 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8424 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8425 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008426
Auke Kok44c10132007-06-08 15:46:36 -07008427 if (amd_8132->revision >= 0x10 &&
8428 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008429 disable_msi = 1;
8430 pci_dev_put(amd_8132);
8431 break;
8432 }
8433 }
8434 }
8435
Michael Chandeaf3912007-07-07 22:48:00 -07008436 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008437 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8438
Michael Chancd339a02005-08-25 15:35:24 -07008439 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008440 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008441 bp->timer.data = (unsigned long) bp;
8442 bp->timer.function = bnx2_timer;
8443
Michael Chan7625eb22011-06-08 19:29:36 +00008444#ifdef BCM_CNIC
Michael Chan41c21782011-07-13 17:24:22 +00008445 if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN)
8446 bp->cnic_eth_dev.max_iscsi_conn =
8447 (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) &
8448 BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT;
Michael Chan4bd9b0ff2012-12-06 10:33:12 +00008449 bp->cnic_probe = bnx2_cnic_probe;
Michael Chan7625eb22011-06-08 19:29:36 +00008450#endif
Michael Chanc239f272010-10-11 16:12:28 -07008451 pci_save_state(pdev);
8452
Michael Chanb6016b72005-05-26 13:03:09 -07008453 return 0;
8454
8455err_out_unmap:
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008456 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008457 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008458 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8459 }
Michael Chanc239f272010-10-11 16:12:28 -07008460
Francois Romieuc0357e92012-03-09 14:51:47 +01008461 pci_iounmap(pdev, bp->regview);
8462 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008463
8464err_out_release:
8465 pci_release_regions(pdev);
8466
8467err_out_disable:
8468 pci_disable_device(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008469
8470err_out:
8471 return rc;
8472}
8473
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008474static char *
Michael Chan883e5152007-05-03 13:25:11 -07008475bnx2_bus_string(struct bnx2 *bp, char *str)
8476{
8477 char *s = str;
8478
David S. Millerf86e82f2008-01-21 17:15:40 -08008479 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008480 s += sprintf(s, "PCI Express");
8481 } else {
8482 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008483 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008484 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008485 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008486 s += sprintf(s, " 32-bit");
8487 else
8488 s += sprintf(s, " 64-bit");
8489 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8490 }
8491 return str;
8492}
8493
Michael Chanf048fa92010-06-01 15:05:36 +00008494static void
8495bnx2_del_napi(struct bnx2 *bp)
8496{
8497 int i;
8498
8499 for (i = 0; i < bp->irq_nvecs; i++)
8500 netif_napi_del(&bp->bnx2_napi[i].napi);
8501}
8502
8503static void
Michael Chan35efa7c2007-12-20 19:56:37 -08008504bnx2_init_napi(struct bnx2 *bp)
8505{
Michael Chanb4b36042007-12-20 19:59:30 -08008506 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008507
Benjamin Li4327ba42010-03-23 13:13:11 +00008508 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008509 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8510 int (*poll)(struct napi_struct *, int);
8511
8512 if (i == 0)
8513 poll = bnx2_poll;
8514 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008515 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008516
8517 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008518 bnapi->bp = bp;
8519 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008520}
8521
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008522static const struct net_device_ops bnx2_netdev_ops = {
8523 .ndo_open = bnx2_open,
8524 .ndo_start_xmit = bnx2_start_xmit,
8525 .ndo_stop = bnx2_close,
Eric Dumazet5d07bf22010-07-08 04:08:43 +00008526 .ndo_get_stats64 = bnx2_get_stats64,
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008527 .ndo_set_rx_mode = bnx2_set_rx_mode,
8528 .ndo_do_ioctl = bnx2_ioctl,
8529 .ndo_validate_addr = eth_validate_addr,
8530 .ndo_set_mac_address = bnx2_change_mac_addr,
8531 .ndo_change_mtu = bnx2_change_mtu,
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008532 .ndo_fix_features = bnx2_fix_features,
8533 .ndo_set_features = bnx2_set_features,
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008534 .ndo_tx_timeout = bnx2_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008535#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008536 .ndo_poll_controller = poll_bnx2,
8537#endif
8538};
8539
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008540static int
Michael Chanb6016b72005-05-26 13:03:09 -07008541bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8542{
8543 static int version_printed = 0;
Francois Romieuc0357e92012-03-09 14:51:47 +01008544 struct net_device *dev;
Michael Chanb6016b72005-05-26 13:03:09 -07008545 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008546 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008547 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008548
8549 if (version_printed++ == 0)
Joe Perches3a9c6a42010-02-17 15:01:51 +00008550 pr_info("%s", version);
Michael Chanb6016b72005-05-26 13:03:09 -07008551
8552 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008553 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008554 if (!dev)
8555 return -ENOMEM;
8556
8557 rc = bnx2_init_board(pdev, dev);
Francois Romieuc0357e92012-03-09 14:51:47 +01008558 if (rc < 0)
8559 goto err_free;
Michael Chanb6016b72005-05-26 13:03:09 -07008560
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008561 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008562 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008563 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008564
Michael Chan972ec0d2006-01-23 16:12:43 -08008565 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008566
Michael Chan1b2f9222007-05-03 13:20:19 -07008567 pci_set_drvdata(pdev, dev);
8568
Joe Perchesd458cdf2013-10-01 19:04:40 -07008569 memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN);
Michael Chan1b2f9222007-05-03 13:20:19 -07008570
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008571 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
8572 NETIF_F_TSO | NETIF_F_TSO_ECN |
8573 NETIF_F_RXHASH | NETIF_F_RXCSUM;
8574
Michael Chan4ce45e02012-12-06 10:33:10 +00008575 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008576 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
8577
8578 dev->vlan_features = dev->hw_features;
Patrick McHardyf6469682013-04-19 02:04:27 +00008579 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008580 dev->features |= dev->hw_features;
Jiri Pirko01789342011-08-16 06:29:00 +00008581 dev->priv_flags |= IFF_UNICAST_FLT;
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008582
Michael Chanb6016b72005-05-26 13:03:09 -07008583 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008584 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008585 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008586 }
8587
Francois Romieuc0357e92012-03-09 14:51:47 +01008588 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, "
8589 "node addr %pM\n", board_info[ent->driver_data].name,
Michael Chan4ce45e02012-12-06 10:33:10 +00008590 ((BNX2_CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8591 ((BNX2_CHIP_ID(bp) & 0x0ff0) >> 4),
Francois Romieuc0357e92012-03-09 14:51:47 +01008592 bnx2_bus_string(bp, str), (long)pci_resource_start(pdev, 0),
8593 pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008594
Michael Chanb6016b72005-05-26 13:03:09 -07008595 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008596
8597error:
Michael Chanfda4d852012-12-11 18:24:20 -08008598 pci_iounmap(pdev, bp->regview);
Michael Chan57579f72009-04-04 16:51:14 -07008599 pci_release_regions(pdev);
8600 pci_disable_device(pdev);
Francois Romieuc0357e92012-03-09 14:51:47 +01008601err_free:
Michael Chan57579f72009-04-04 16:51:14 -07008602 free_netdev(dev);
8603 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008604}
8605
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008606static void
Michael Chanb6016b72005-05-26 13:03:09 -07008607bnx2_remove_one(struct pci_dev *pdev)
8608{
8609 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008610 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008611
8612 unregister_netdev(dev);
8613
Neil Horman8333a462011-04-26 10:30:11 +00008614 del_timer_sync(&bp->timer);
Michael Chancd634012011-07-15 06:53:58 +00008615 cancel_work_sync(&bp->reset_task);
Neil Horman8333a462011-04-26 10:30:11 +00008616
Francois Romieuc0357e92012-03-09 14:51:47 +01008617 pci_iounmap(bp->pdev, bp->regview);
Michael Chanb6016b72005-05-26 13:03:09 -07008618
Michael Chan354fcd72010-01-17 07:30:44 +00008619 kfree(bp->temp_stats_blk);
8620
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008621 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008622 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008623 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8624 }
John Feeneycd709aa2010-08-22 17:45:53 +00008625
françois romieu7880b722011-09-30 00:36:52 +00008626 bnx2_release_firmware(bp);
8627
Michael Chanc239f272010-10-11 16:12:28 -07008628 free_netdev(dev);
John Feeneycd709aa2010-08-22 17:45:53 +00008629
Michael Chanb6016b72005-05-26 13:03:09 -07008630 pci_release_regions(pdev);
8631 pci_disable_device(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008632}
8633
8634static int
Michael Chan28fb4eb2013-08-06 15:50:10 -07008635bnx2_suspend(struct device *device)
Michael Chanb6016b72005-05-26 13:03:09 -07008636{
Michael Chan28fb4eb2013-08-06 15:50:10 -07008637 struct pci_dev *pdev = to_pci_dev(device);
Michael Chanb6016b72005-05-26 13:03:09 -07008638 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008639 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008640
Michael Chan28fb4eb2013-08-06 15:50:10 -07008641 if (netif_running(dev)) {
8642 cancel_work_sync(&bp->reset_task);
8643 bnx2_netif_stop(bp, true);
8644 netif_device_detach(dev);
8645 del_timer_sync(&bp->timer);
8646 bnx2_shutdown_chip(bp);
8647 __bnx2_free_irq(bp);
8648 bnx2_free_skbs(bp);
8649 }
8650 bnx2_setup_wol(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008651 return 0;
8652}
8653
8654static int
Michael Chan28fb4eb2013-08-06 15:50:10 -07008655bnx2_resume(struct device *device)
Michael Chanb6016b72005-05-26 13:03:09 -07008656{
Michael Chan28fb4eb2013-08-06 15:50:10 -07008657 struct pci_dev *pdev = to_pci_dev(device);
Michael Chanb6016b72005-05-26 13:03:09 -07008658 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008659 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008660
8661 if (!netif_running(dev))
8662 return 0;
8663
Pavel Machek829ca9a2005-09-03 15:56:56 -07008664 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008665 netif_device_attach(dev);
Michael Chan28fb4eb2013-08-06 15:50:10 -07008666 bnx2_request_irq(bp);
Michael Chan9a120bc2008-05-16 22:17:45 -07008667 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00008668 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008669 return 0;
8670}
8671
Michael Chan28fb4eb2013-08-06 15:50:10 -07008672#ifdef CONFIG_PM_SLEEP
8673static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume);
8674#define BNX2_PM_OPS (&bnx2_pm_ops)
8675
8676#else
8677
8678#define BNX2_PM_OPS NULL
8679
8680#endif /* CONFIG_PM_SLEEP */
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008681/**
8682 * bnx2_io_error_detected - called when PCI error is detected
8683 * @pdev: Pointer to PCI device
8684 * @state: The current pci connection state
8685 *
8686 * This function is called after a PCI bus error affecting
8687 * this device has been detected.
8688 */
8689static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8690 pci_channel_state_t state)
8691{
8692 struct net_device *dev = pci_get_drvdata(pdev);
8693 struct bnx2 *bp = netdev_priv(dev);
8694
8695 rtnl_lock();
8696 netif_device_detach(dev);
8697
Dean Nelson2ec3de22009-07-31 09:13:18 +00008698 if (state == pci_channel_io_perm_failure) {
8699 rtnl_unlock();
8700 return PCI_ERS_RESULT_DISCONNECT;
8701 }
8702
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008703 if (netif_running(dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00008704 bnx2_netif_stop(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008705 del_timer_sync(&bp->timer);
8706 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8707 }
8708
8709 pci_disable_device(pdev);
8710 rtnl_unlock();
8711
8712 /* Request a slot slot reset. */
8713 return PCI_ERS_RESULT_NEED_RESET;
8714}
8715
8716/**
8717 * bnx2_io_slot_reset - called after the pci bus has been reset.
8718 * @pdev: Pointer to PCI device
8719 *
8720 * Restart the card from scratch, as if from a cold-boot.
8721 */
8722static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8723{
8724 struct net_device *dev = pci_get_drvdata(pdev);
8725 struct bnx2 *bp = netdev_priv(dev);
Michael Chan02481bc2013-08-06 15:50:07 -07008726 pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
8727 int err = 0;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008728
8729 rtnl_lock();
8730 if (pci_enable_device(pdev)) {
8731 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008732 "Cannot re-enable PCI device after reset\n");
John Feeneycd709aa2010-08-22 17:45:53 +00008733 } else {
8734 pci_set_master(pdev);
8735 pci_restore_state(pdev);
8736 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008737
Michael Chan25bfb1d2013-08-06 15:50:11 -07008738 if (netif_running(dev))
Michael Chan02481bc2013-08-06 15:50:07 -07008739 err = bnx2_init_nic(bp, 1);
Michael Chan25bfb1d2013-08-06 15:50:11 -07008740
Michael Chan02481bc2013-08-06 15:50:07 -07008741 if (!err)
8742 result = PCI_ERS_RESULT_RECOVERED;
8743 }
8744
8745 if (result != PCI_ERS_RESULT_RECOVERED && netif_running(dev)) {
8746 bnx2_napi_enable(bp);
8747 dev_close(dev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008748 }
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008749 rtnl_unlock();
John Feeneycd709aa2010-08-22 17:45:53 +00008750
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008751 if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
Michael Chanc239f272010-10-11 16:12:28 -07008752 return result;
8753
John Feeneycd709aa2010-08-22 17:45:53 +00008754 err = pci_cleanup_aer_uncorrect_error_status(pdev);
8755 if (err) {
8756 dev_err(&pdev->dev,
8757 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
8758 err); /* non-fatal, continue */
8759 }
8760
8761 return result;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008762}
8763
8764/**
8765 * bnx2_io_resume - called when traffic can start flowing again.
8766 * @pdev: Pointer to PCI device
8767 *
8768 * This callback is called when the error recovery driver tells us that
8769 * its OK to resume normal operation.
8770 */
8771static void bnx2_io_resume(struct pci_dev *pdev)
8772{
8773 struct net_device *dev = pci_get_drvdata(pdev);
8774 struct bnx2 *bp = netdev_priv(dev);
8775
8776 rtnl_lock();
8777 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00008778 bnx2_netif_start(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008779
8780 netif_device_attach(dev);
8781 rtnl_unlock();
8782}
8783
Michael Chan25bfb1d2013-08-06 15:50:11 -07008784static void bnx2_shutdown(struct pci_dev *pdev)
8785{
8786 struct net_device *dev = pci_get_drvdata(pdev);
8787 struct bnx2 *bp;
8788
8789 if (!dev)
8790 return;
8791
8792 bp = netdev_priv(dev);
8793 if (!bp)
8794 return;
8795
8796 rtnl_lock();
8797 if (netif_running(dev))
8798 dev_close(bp->dev);
8799
8800 if (system_state == SYSTEM_POWER_OFF)
8801 bnx2_set_power_state(bp, PCI_D3hot);
8802
8803 rtnl_unlock();
8804}
8805
Michael Chanfda4d852012-12-11 18:24:20 -08008806static const struct pci_error_handlers bnx2_err_handler = {
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008807 .error_detected = bnx2_io_error_detected,
8808 .slot_reset = bnx2_io_slot_reset,
8809 .resume = bnx2_io_resume,
8810};
8811
Michael Chanb6016b72005-05-26 13:03:09 -07008812static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008813 .name = DRV_MODULE_NAME,
8814 .id_table = bnx2_pci_tbl,
8815 .probe = bnx2_init_one,
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008816 .remove = bnx2_remove_one,
Michael Chan28fb4eb2013-08-06 15:50:10 -07008817 .driver.pm = BNX2_PM_OPS,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008818 .err_handler = &bnx2_err_handler,
Michael Chan25bfb1d2013-08-06 15:50:11 -07008819 .shutdown = bnx2_shutdown,
Michael Chanb6016b72005-05-26 13:03:09 -07008820};
8821
Peter Hüwe5a4123f2013-05-21 12:58:05 +00008822module_pci_driver(bnx2_pci_driver);