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Rasesh Mody2e0bf122015-02-17 19:26:18 -05001/* bnx2.c: QLogic bnx2 network driver.
Michael Chanb6016b72005-05-26 13:03:09 -07002 *
Jitendra Kalsaria28c4ec02014-06-23 15:10:33 -04003 * Copyright (c) 2004-2014 Broadcom Corporation
Rasesh Mody2e0bf122015-02-17 19:26:18 -05004 * Copyright (c) 2014-2015 QLogic Corporation
Michael Chanb6016b72005-05-26 13:03:09 -07005 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation.
9 *
10 * Written by: Michael Chan (mchan@broadcom.com)
11 */
12
Joe Perches3a9c6a42010-02-17 15:01:51 +000013#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Michael Chanf2a4f052006-03-23 01:13:12 -080014
15#include <linux/module.h>
16#include <linux/moduleparam.h>
17
Michael Chan555069d2012-06-16 15:45:41 +000018#include <linux/stringify.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080019#include <linux/kernel.h>
20#include <linux/timer.h>
21#include <linux/errno.h>
22#include <linux/ioport.h>
23#include <linux/slab.h>
24#include <linux/vmalloc.h>
25#include <linux/interrupt.h>
26#include <linux/pci.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080027#include <linux/netdevice.h>
28#include <linux/etherdevice.h>
29#include <linux/skbuff.h>
30#include <linux/dma-mapping.h>
Jiri Slaby1977f032007-10-18 23:40:25 -070031#include <linux/bitops.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080032#include <asm/io.h>
33#include <asm/irq.h>
34#include <linux/delay.h>
35#include <asm/byteorder.h>
Michael Chanc86a31f2006-06-13 15:03:47 -070036#include <asm/page.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080037#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Jiri Pirko01789342011-08-16 06:29:00 +000040#include <linux/if.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080041#include <linux/if_vlan.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080042#include <net/ip.h>
Linus Torvaldsde081fa2007-07-12 16:40:08 -070043#include <net/tcp.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080044#include <net/checksum.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080045#include <linux/workqueue.h>
46#include <linux/crc32.h>
47#include <linux/prefetch.h>
Michael Chan29b12172006-03-23 01:13:43 -080048#include <linux/cache.h>
Michael Chan57579f72009-04-04 16:51:14 -070049#include <linux/firmware.h>
Benjamin Li706bf242008-07-18 17:55:11 -070050#include <linux/log2.h>
John Feeneycd709aa2010-08-22 17:45:53 +000051#include <linux/aer.h>
Michael Chanf2a4f052006-03-23 01:13:12 -080052
Michael Chan4edd4732009-06-08 18:14:42 -070053#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
54#define BCM_CNIC 1
55#include "cnic_if.h"
56#endif
Michael Chanb6016b72005-05-26 13:03:09 -070057#include "bnx2.h"
58#include "bnx2_fw.h"
Denys Vlasenkob3448b02007-09-30 17:55:51 -070059
Michael Chanb6016b72005-05-26 13:03:09 -070060#define DRV_MODULE_NAME "bnx2"
Rasesh Mody85fe7cd2015-02-17 19:26:20 -050061#define DRV_MODULE_VERSION "2.2.6"
62#define DRV_MODULE_RELDATE "January 29, 2014"
Michael Chanc2c20ef2011-12-18 18:15:09 +000063#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.3.fw"
Michael Chan22fa1592010-10-11 16:12:00 -070064#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
Michael Chanc2c20ef2011-12-18 18:15:09 +000065#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1b.fw"
Michael Chan22fa1592010-10-11 16:12:00 -070066#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
67#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
Michael Chanb6016b72005-05-26 13:03:09 -070068
69#define RUN_AT(x) (jiffies + (x))
70
71/* Time in jiffies before concluding the transmitter is hung. */
72#define TX_TIMEOUT (5*HZ)
73
Bill Pembertoncfd95a62012-12-03 09:22:58 -050074static char version[] =
Rasesh Mody2e0bf122015-02-17 19:26:18 -050075 "QLogic " DRV_MODULE_NAME " Gigabit Ethernet Driver v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
Michael Chanb6016b72005-05-26 13:03:09 -070076
77MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
Rasesh Mody2e0bf122015-02-17 19:26:18 -050078MODULE_DESCRIPTION("QLogic BCM5706/5708/5709/5716 Driver");
Michael Chanb6016b72005-05-26 13:03:09 -070079MODULE_LICENSE("GPL");
80MODULE_VERSION(DRV_MODULE_VERSION);
Michael Chan57579f72009-04-04 16:51:14 -070081MODULE_FIRMWARE(FW_MIPS_FILE_06);
82MODULE_FIRMWARE(FW_RV2P_FILE_06);
83MODULE_FIRMWARE(FW_MIPS_FILE_09);
84MODULE_FIRMWARE(FW_RV2P_FILE_09);
Michael Chan078b0732009-08-29 00:02:46 -070085MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
Michael Chanb6016b72005-05-26 13:03:09 -070086
87static int disable_msi = 0;
88
James M Leddy1c8bb762014-02-04 15:10:59 -050089module_param(disable_msi, int, S_IRUGO);
Michael Chanb6016b72005-05-26 13:03:09 -070090MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
91
92typedef enum {
93 BCM5706 = 0,
94 NC370T,
95 NC370I,
96 BCM5706S,
97 NC370F,
Michael Chan5b0c76a2005-11-04 08:45:49 -080098 BCM5708,
99 BCM5708S,
Michael Chanbac0dff2006-11-19 14:15:05 -0800100 BCM5709,
Michael Chan27a005b2007-05-03 13:23:41 -0700101 BCM5709S,
Michael Chan7bb0a042008-07-14 22:37:47 -0700102 BCM5716,
Michael Chan1caacec2008-11-12 16:01:12 -0800103 BCM5716S,
Michael Chanb6016b72005-05-26 13:03:09 -0700104} board_t;
105
106/* indexed by board_t, above */
Andrew Mortonfefa8642008-02-09 23:17:15 -0800107static struct {
Michael Chanb6016b72005-05-26 13:03:09 -0700108 char *name;
Bill Pembertoncfd95a62012-12-03 09:22:58 -0500109} board_info[] = {
Michael Chanb6016b72005-05-26 13:03:09 -0700110 { "Broadcom NetXtreme II BCM5706 1000Base-T" },
111 { "HP NC370T Multifunction Gigabit Server Adapter" },
112 { "HP NC370i Multifunction Gigabit Server Adapter" },
113 { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
114 { "HP NC370F Multifunction Gigabit Server Adapter" },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800115 { "Broadcom NetXtreme II BCM5708 1000Base-T" },
116 { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
Michael Chanbac0dff2006-11-19 14:15:05 -0800117 { "Broadcom NetXtreme II BCM5709 1000Base-T" },
Michael Chan27a005b2007-05-03 13:23:41 -0700118 { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
Michael Chan7bb0a042008-07-14 22:37:47 -0700119 { "Broadcom NetXtreme II BCM5716 1000Base-T" },
Michael Chan1caacec2008-11-12 16:01:12 -0800120 { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
Michael Chanb6016b72005-05-26 13:03:09 -0700121 };
122
Benoit Taine9baa3c32014-08-08 15:56:03 +0200123static const struct pci_device_id bnx2_pci_tbl[] = {
Michael Chanb6016b72005-05-26 13:03:09 -0700124 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
125 PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
126 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
127 PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
128 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
129 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800130 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
131 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
Michael Chanb6016b72005-05-26 13:03:09 -0700132 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
133 PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
134 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
Michael Chan5b0c76a2005-11-04 08:45:49 -0800136 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
Michael Chanbac0dff2006-11-19 14:15:05 -0800138 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
Michael Chan27a005b2007-05-03 13:23:41 -0700140 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
141 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
Michael Chan7bb0a042008-07-14 22:37:47 -0700142 { PCI_VENDOR_ID_BROADCOM, 0x163b,
143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
Michael Chan1caacec2008-11-12 16:01:12 -0800144 { PCI_VENDOR_ID_BROADCOM, 0x163c,
Michael Chan1f2435e2008-12-16 20:28:13 -0800145 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
Michael Chanb6016b72005-05-26 13:03:09 -0700146 { 0, }
147};
148
Michael Chan0ced9d02009-08-21 16:20:49 +0000149static const struct flash_spec flash_table[] =
Michael Chanb6016b72005-05-26 13:03:09 -0700150{
Michael Chane30372c2007-07-16 18:26:23 -0700151#define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
152#define NONBUFFERED_FLAGS (BNX2_NV_WREN)
Michael Chanb6016b72005-05-26 13:03:09 -0700153 /* Slow EEPROM */
Michael Chan37137702005-11-04 08:49:17 -0800154 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700155 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700156 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
157 "EEPROM - slow"},
Michael Chan37137702005-11-04 08:49:17 -0800158 /* Expansion entry 0001 */
159 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700160 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800161 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
162 "Entry 0001"},
Michael Chanb6016b72005-05-26 13:03:09 -0700163 /* Saifun SA25F010 (non-buffered flash) */
164 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800165 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700166 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700167 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
168 "Non-buffered flash (128kB)"},
169 /* Saifun SA25F020 (non-buffered flash) */
170 /* strap, cfg1, & write1 need updates */
Michael Chan37137702005-11-04 08:49:17 -0800171 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700172 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chanb6016b72005-05-26 13:03:09 -0700173 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
174 "Non-buffered flash (256kB)"},
Michael Chan37137702005-11-04 08:49:17 -0800175 /* Expansion entry 0100 */
176 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700177 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800178 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
179 "Entry 0100"},
180 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400181 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700182 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800183 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
184 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
185 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
186 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700187 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800188 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
189 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
190 /* Saifun SA25F005 (non-buffered flash) */
191 /* strap, cfg1, & write1 need updates */
192 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700193 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800194 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
195 "Non-buffered flash (64kB)"},
196 /* Fast EEPROM */
197 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700198 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800199 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
200 "EEPROM - fast"},
201 /* Expansion entry 1001 */
202 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700203 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800204 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
205 "Entry 1001"},
206 /* Expansion entry 1010 */
207 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700208 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800209 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
210 "Entry 1010"},
211 /* ATMEL AT45DB011B (buffered flash) */
212 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700213 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800214 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
215 "Buffered flash (128kB)"},
216 /* Expansion entry 1100 */
217 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700218 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800219 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
220 "Entry 1100"},
221 /* Expansion entry 1101 */
222 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
Michael Chane30372c2007-07-16 18:26:23 -0700223 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800224 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
225 "Entry 1101"},
226 /* Ateml Expansion entry 1110 */
227 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700228 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800229 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
230 "Entry 1110 (Atmel)"},
231 /* ATMEL AT45DB021B (buffered flash) */
232 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
Michael Chane30372c2007-07-16 18:26:23 -0700233 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
Michael Chan37137702005-11-04 08:49:17 -0800234 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
235 "Buffered flash (256kB)"},
Michael Chanb6016b72005-05-26 13:03:09 -0700236};
237
Michael Chan0ced9d02009-08-21 16:20:49 +0000238static const struct flash_spec flash_5709 = {
Michael Chane30372c2007-07-16 18:26:23 -0700239 .flags = BNX2_NV_BUFFERED,
240 .page_bits = BCM5709_FLASH_PAGE_BITS,
241 .page_size = BCM5709_FLASH_PAGE_SIZE,
242 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
243 .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
244 .name = "5709 Buffered flash (256kB)",
245};
246
Michael Chanb6016b72005-05-26 13:03:09 -0700247MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
248
Benjamin Li4327ba42010-03-23 13:13:11 +0000249static void bnx2_init_napi(struct bnx2 *bp);
Michael Chanf048fa92010-06-01 15:05:36 +0000250static void bnx2_del_napi(struct bnx2 *bp);
Benjamin Li4327ba42010-03-23 13:13:11 +0000251
Michael Chan35e90102008-06-19 16:37:42 -0700252static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
Michael Chane89bbf12005-08-25 15:36:58 -0700253{
Michael Chan2f8af122006-08-15 01:39:10 -0700254 u32 diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700255
Michael Chan11848b962010-07-19 14:15:04 +0000256 /* Tell compiler to fetch tx_prod and tx_cons from memory. */
257 barrier();
Michael Chanfaac9c42006-12-14 15:56:32 -0800258
259 /* The ring uses 256 indices for 255 entries, one of them
260 * needs to be skipped.
261 */
Michael Chan35e90102008-06-19 16:37:42 -0700262 diff = txr->tx_prod - txr->tx_cons;
Michael Chan2bc40782012-12-06 10:33:09 +0000263 if (unlikely(diff >= BNX2_TX_DESC_CNT)) {
Michael Chanfaac9c42006-12-14 15:56:32 -0800264 diff &= 0xffff;
Michael Chan2bc40782012-12-06 10:33:09 +0000265 if (diff == BNX2_TX_DESC_CNT)
266 diff = BNX2_MAX_TX_DESC_CNT;
Michael Chanfaac9c42006-12-14 15:56:32 -0800267 }
Eric Dumazet807540b2010-09-23 05:40:09 +0000268 return bp->tx_ring_size - diff;
Michael Chane89bbf12005-08-25 15:36:58 -0700269}
270
Michael Chanb6016b72005-05-26 13:03:09 -0700271static u32
272bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
273{
Michael Chan1b8227c2007-05-03 13:24:05 -0700274 u32 val;
275
276 spin_lock_bh(&bp->indirect_lock);
Michael Chane503e062012-12-06 10:33:08 +0000277 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
278 val = BNX2_RD(bp, BNX2_PCICFG_REG_WINDOW);
Michael Chan1b8227c2007-05-03 13:24:05 -0700279 spin_unlock_bh(&bp->indirect_lock);
280 return val;
Michael Chanb6016b72005-05-26 13:03:09 -0700281}
282
283static void
284bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
285{
Michael Chan1b8227c2007-05-03 13:24:05 -0700286 spin_lock_bh(&bp->indirect_lock);
Michael Chane503e062012-12-06 10:33:08 +0000287 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
288 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
Michael Chan1b8227c2007-05-03 13:24:05 -0700289 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700290}
291
292static void
Michael Chan2726d6e2008-01-29 21:35:05 -0800293bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
294{
295 bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
296}
297
298static u32
299bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
300{
Eric Dumazet807540b2010-09-23 05:40:09 +0000301 return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
Michael Chan2726d6e2008-01-29 21:35:05 -0800302}
303
304static void
Michael Chanb6016b72005-05-26 13:03:09 -0700305bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
306{
307 offset += cid_addr;
Michael Chan1b8227c2007-05-03 13:24:05 -0700308 spin_lock_bh(&bp->indirect_lock);
Michael Chan4ce45e02012-12-06 10:33:10 +0000309 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan59b47d82006-11-19 14:10:45 -0800310 int i;
311
Michael Chane503e062012-12-06 10:33:08 +0000312 BNX2_WR(bp, BNX2_CTX_CTX_DATA, val);
313 BNX2_WR(bp, BNX2_CTX_CTX_CTRL,
314 offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
Michael Chan59b47d82006-11-19 14:10:45 -0800315 for (i = 0; i < 5; i++) {
Michael Chane503e062012-12-06 10:33:08 +0000316 val = BNX2_RD(bp, BNX2_CTX_CTX_CTRL);
Michael Chan59b47d82006-11-19 14:10:45 -0800317 if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
318 break;
319 udelay(5);
320 }
321 } else {
Michael Chane503e062012-12-06 10:33:08 +0000322 BNX2_WR(bp, BNX2_CTX_DATA_ADR, offset);
323 BNX2_WR(bp, BNX2_CTX_DATA, val);
Michael Chan59b47d82006-11-19 14:10:45 -0800324 }
Michael Chan1b8227c2007-05-03 13:24:05 -0700325 spin_unlock_bh(&bp->indirect_lock);
Michael Chanb6016b72005-05-26 13:03:09 -0700326}
327
Michael Chan4edd4732009-06-08 18:14:42 -0700328#ifdef BCM_CNIC
329static int
330bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
331{
332 struct bnx2 *bp = netdev_priv(dev);
333 struct drv_ctl_io *io = &info->data.io;
334
335 switch (info->cmd) {
336 case DRV_CTL_IO_WR_CMD:
337 bnx2_reg_wr_ind(bp, io->offset, io->data);
338 break;
339 case DRV_CTL_IO_RD_CMD:
340 io->data = bnx2_reg_rd_ind(bp, io->offset);
341 break;
342 case DRV_CTL_CTX_WR_CMD:
343 bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
344 break;
345 default:
346 return -EINVAL;
347 }
348 return 0;
349}
350
351static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
352{
353 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
354 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
355 int sb_id;
356
357 if (bp->flags & BNX2_FLAG_USING_MSIX) {
358 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
359 bnapi->cnic_present = 0;
360 sb_id = bp->irq_nvecs;
361 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
362 } else {
363 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
364 bnapi->cnic_tag = bnapi->last_status_idx;
365 bnapi->cnic_present = 1;
366 sb_id = 0;
367 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
368 }
369
370 cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
371 cp->irq_arr[0].status_blk = (void *)
372 ((unsigned long) bnapi->status_blk.msi +
373 (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
374 cp->irq_arr[0].status_blk_num = sb_id;
375 cp->num_irq = 1;
376}
377
378static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
379 void *data)
380{
381 struct bnx2 *bp = netdev_priv(dev);
382 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
383
384 if (ops == NULL)
385 return -EINVAL;
386
387 if (cp->drv_state & CNIC_DRV_STATE_REGD)
388 return -EBUSY;
389
Michael Chan41c21782011-07-13 17:24:22 +0000390 if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN))
391 return -ENODEV;
392
Michael Chan4edd4732009-06-08 18:14:42 -0700393 bp->cnic_data = data;
394 rcu_assign_pointer(bp->cnic_ops, ops);
395
396 cp->num_irq = 0;
397 cp->drv_state = CNIC_DRV_STATE_REGD;
398
399 bnx2_setup_cnic_irq_info(bp);
400
401 return 0;
402}
403
404static int bnx2_unregister_cnic(struct net_device *dev)
405{
406 struct bnx2 *bp = netdev_priv(dev);
407 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
408 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
409
Michael Chanc5a88952009-08-14 15:49:45 +0000410 mutex_lock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700411 cp->drv_state = 0;
412 bnapi->cnic_present = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +0000413 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chanc5a88952009-08-14 15:49:45 +0000414 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700415 synchronize_rcu();
416 return 0;
417}
418
stephen hemminger61c2fc42013-04-10 10:53:40 +0000419static struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
Michael Chan4edd4732009-06-08 18:14:42 -0700420{
421 struct bnx2 *bp = netdev_priv(dev);
422 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
423
Michael Chan7625eb22011-06-08 19:29:36 +0000424 if (!cp->max_iscsi_conn)
425 return NULL;
426
Michael Chan4edd4732009-06-08 18:14:42 -0700427 cp->drv_owner = THIS_MODULE;
428 cp->chip_id = bp->chip_id;
429 cp->pdev = bp->pdev;
430 cp->io_base = bp->regview;
431 cp->drv_ctl = bnx2_drv_ctl;
432 cp->drv_register_cnic = bnx2_register_cnic;
433 cp->drv_unregister_cnic = bnx2_unregister_cnic;
434
435 return cp;
436}
Michael Chan4edd4732009-06-08 18:14:42 -0700437
438static void
439bnx2_cnic_stop(struct bnx2 *bp)
440{
441 struct cnic_ops *c_ops;
442 struct cnic_ctl_info info;
443
Michael Chanc5a88952009-08-14 15:49:45 +0000444 mutex_lock(&bp->cnic_lock);
Eric Dumazet13707f92011-01-26 19:28:23 +0000445 c_ops = rcu_dereference_protected(bp->cnic_ops,
446 lockdep_is_held(&bp->cnic_lock));
Michael Chan4edd4732009-06-08 18:14:42 -0700447 if (c_ops) {
448 info.cmd = CNIC_CTL_STOP_CMD;
449 c_ops->cnic_ctl(bp->cnic_data, &info);
450 }
Michael Chanc5a88952009-08-14 15:49:45 +0000451 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700452}
453
454static void
455bnx2_cnic_start(struct bnx2 *bp)
456{
457 struct cnic_ops *c_ops;
458 struct cnic_ctl_info info;
459
Michael Chanc5a88952009-08-14 15:49:45 +0000460 mutex_lock(&bp->cnic_lock);
Eric Dumazet13707f92011-01-26 19:28:23 +0000461 c_ops = rcu_dereference_protected(bp->cnic_ops,
462 lockdep_is_held(&bp->cnic_lock));
Michael Chan4edd4732009-06-08 18:14:42 -0700463 if (c_ops) {
464 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
465 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
466
467 bnapi->cnic_tag = bnapi->last_status_idx;
468 }
469 info.cmd = CNIC_CTL_START_CMD;
470 c_ops->cnic_ctl(bp->cnic_data, &info);
471 }
Michael Chanc5a88952009-08-14 15:49:45 +0000472 mutex_unlock(&bp->cnic_lock);
Michael Chan4edd4732009-06-08 18:14:42 -0700473}
474
475#else
476
477static void
478bnx2_cnic_stop(struct bnx2 *bp)
479{
480}
481
482static void
483bnx2_cnic_start(struct bnx2 *bp)
484{
485}
486
487#endif
488
Michael Chanb6016b72005-05-26 13:03:09 -0700489static int
490bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
491{
492 u32 val1;
493 int i, ret;
494
Michael Chan583c28e2008-01-21 19:51:35 -0800495 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000496 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700497 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
498
Michael Chane503e062012-12-06 10:33:08 +0000499 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
500 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700501
502 udelay(40);
503 }
504
505 val1 = (bp->phy_addr << 21) | (reg << 16) |
506 BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
507 BNX2_EMAC_MDIO_COMM_START_BUSY;
Michael Chane503e062012-12-06 10:33:08 +0000508 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Michael Chanb6016b72005-05-26 13:03:09 -0700509
510 for (i = 0; i < 50; i++) {
511 udelay(10);
512
Michael Chane503e062012-12-06 10:33:08 +0000513 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
Michael Chanb6016b72005-05-26 13:03:09 -0700514 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
515 udelay(5);
516
Michael Chane503e062012-12-06 10:33:08 +0000517 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
Michael Chanb6016b72005-05-26 13:03:09 -0700518 val1 &= BNX2_EMAC_MDIO_COMM_DATA;
519
520 break;
521 }
522 }
523
524 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
525 *val = 0x0;
526 ret = -EBUSY;
527 }
528 else {
529 *val = val1;
530 ret = 0;
531 }
532
Michael Chan583c28e2008-01-21 19:51:35 -0800533 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000534 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700535 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
536
Michael Chane503e062012-12-06 10:33:08 +0000537 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
538 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700539
540 udelay(40);
541 }
542
543 return ret;
544}
545
546static int
547bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
548{
549 u32 val1;
550 int i, ret;
551
Michael Chan583c28e2008-01-21 19:51:35 -0800552 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000553 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700554 val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
555
Michael Chane503e062012-12-06 10:33:08 +0000556 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
557 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700558
559 udelay(40);
560 }
561
562 val1 = (bp->phy_addr << 21) | (reg << 16) | val |
563 BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
564 BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
Michael Chane503e062012-12-06 10:33:08 +0000565 BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400566
Michael Chanb6016b72005-05-26 13:03:09 -0700567 for (i = 0; i < 50; i++) {
568 udelay(10);
569
Michael Chane503e062012-12-06 10:33:08 +0000570 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
Michael Chanb6016b72005-05-26 13:03:09 -0700571 if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
572 udelay(5);
573 break;
574 }
575 }
576
577 if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
578 ret = -EBUSY;
579 else
580 ret = 0;
581
Michael Chan583c28e2008-01-21 19:51:35 -0800582 if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
Michael Chane503e062012-12-06 10:33:08 +0000583 val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700584 val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
585
Michael Chane503e062012-12-06 10:33:08 +0000586 BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
587 BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -0700588
589 udelay(40);
590 }
591
592 return ret;
593}
594
595static void
596bnx2_disable_int(struct bnx2 *bp)
597{
Michael Chanb4b36042007-12-20 19:59:30 -0800598 int i;
599 struct bnx2_napi *bnapi;
600
601 for (i = 0; i < bp->irq_nvecs; i++) {
602 bnapi = &bp->bnx2_napi[i];
Michael Chane503e062012-12-06 10:33:08 +0000603 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
Michael Chanb4b36042007-12-20 19:59:30 -0800604 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
605 }
Michael Chane503e062012-12-06 10:33:08 +0000606 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
Michael Chanb6016b72005-05-26 13:03:09 -0700607}
608
609static void
610bnx2_enable_int(struct bnx2 *bp)
611{
Michael Chanb4b36042007-12-20 19:59:30 -0800612 int i;
613 struct bnx2_napi *bnapi;
Michael Chan1269a8a2006-01-23 16:11:03 -0800614
Michael Chanb4b36042007-12-20 19:59:30 -0800615 for (i = 0; i < bp->irq_nvecs; i++) {
616 bnapi = &bp->bnx2_napi[i];
Michael Chan35efa7c2007-12-20 19:56:37 -0800617
Michael Chane503e062012-12-06 10:33:08 +0000618 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
619 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
620 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
621 bnapi->last_status_idx);
Michael Chanb6016b72005-05-26 13:03:09 -0700622
Michael Chane503e062012-12-06 10:33:08 +0000623 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
624 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
625 bnapi->last_status_idx);
Michael Chanb4b36042007-12-20 19:59:30 -0800626 }
Michael Chane503e062012-12-06 10:33:08 +0000627 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -0700628}
629
630static void
631bnx2_disable_int_sync(struct bnx2 *bp)
632{
Michael Chanb4b36042007-12-20 19:59:30 -0800633 int i;
634
Michael Chanb6016b72005-05-26 13:03:09 -0700635 atomic_inc(&bp->intr_sem);
Michael Chan37675462009-08-21 16:20:44 +0000636 if (!netif_running(bp->dev))
637 return;
638
Michael Chanb6016b72005-05-26 13:03:09 -0700639 bnx2_disable_int(bp);
Michael Chanb4b36042007-12-20 19:59:30 -0800640 for (i = 0; i < bp->irq_nvecs; i++)
641 synchronize_irq(bp->irq_tbl[i].vector);
Michael Chanb6016b72005-05-26 13:03:09 -0700642}
643
644static void
Michael Chan35efa7c2007-12-20 19:56:37 -0800645bnx2_napi_disable(struct bnx2 *bp)
646{
Michael Chanb4b36042007-12-20 19:59:30 -0800647 int i;
648
649 for (i = 0; i < bp->irq_nvecs; i++)
650 napi_disable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800651}
652
653static void
654bnx2_napi_enable(struct bnx2 *bp)
655{
Michael Chanb4b36042007-12-20 19:59:30 -0800656 int i;
657
658 for (i = 0; i < bp->irq_nvecs; i++)
659 napi_enable(&bp->bnx2_napi[i].napi);
Michael Chan35efa7c2007-12-20 19:56:37 -0800660}
661
662static void
Michael Chan212f9932010-04-27 11:28:10 +0000663bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700664{
Michael Chan212f9932010-04-27 11:28:10 +0000665 if (stop_cnic)
666 bnx2_cnic_stop(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700667 if (netif_running(bp->dev)) {
Michael Chan35efa7c2007-12-20 19:56:37 -0800668 bnx2_napi_disable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700669 netif_tx_disable(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -0700670 }
Michael Chanb7466562009-12-20 18:40:18 -0800671 bnx2_disable_int_sync(bp);
Michael Chana0ba6762010-05-17 17:34:43 -0700672 netif_carrier_off(bp->dev); /* prevent tx timeout */
Michael Chanb6016b72005-05-26 13:03:09 -0700673}
674
675static void
Michael Chan212f9932010-04-27 11:28:10 +0000676bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
Michael Chanb6016b72005-05-26 13:03:09 -0700677{
678 if (atomic_dec_and_test(&bp->intr_sem)) {
679 if (netif_running(bp->dev)) {
Benjamin Li706bf242008-07-18 17:55:11 -0700680 netif_tx_wake_all_queues(bp->dev);
Michael Chana0ba6762010-05-17 17:34:43 -0700681 spin_lock_bh(&bp->phy_lock);
682 if (bp->link_up)
683 netif_carrier_on(bp->dev);
684 spin_unlock_bh(&bp->phy_lock);
Michael Chan35efa7c2007-12-20 19:56:37 -0800685 bnx2_napi_enable(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700686 bnx2_enable_int(bp);
Michael Chan212f9932010-04-27 11:28:10 +0000687 if (start_cnic)
688 bnx2_cnic_start(bp);
Michael Chanb6016b72005-05-26 13:03:09 -0700689 }
690 }
691}
692
693static void
Michael Chan35e90102008-06-19 16:37:42 -0700694bnx2_free_tx_mem(struct bnx2 *bp)
695{
696 int i;
697
698 for (i = 0; i < bp->num_tx_rings; i++) {
699 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
700 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
701
702 if (txr->tx_desc_ring) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000703 dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
704 txr->tx_desc_ring,
705 txr->tx_desc_mapping);
Michael Chan35e90102008-06-19 16:37:42 -0700706 txr->tx_desc_ring = NULL;
707 }
708 kfree(txr->tx_buf_ring);
709 txr->tx_buf_ring = NULL;
710 }
711}
712
Michael Chanbb4f98a2008-06-19 16:38:19 -0700713static void
714bnx2_free_rx_mem(struct bnx2 *bp)
715{
716 int i;
717
718 for (i = 0; i < bp->num_rx_rings; i++) {
719 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
720 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
721 int j;
722
723 for (j = 0; j < bp->rx_max_ring; j++) {
724 if (rxr->rx_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000725 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
726 rxr->rx_desc_ring[j],
727 rxr->rx_desc_mapping[j]);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700728 rxr->rx_desc_ring[j] = NULL;
729 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000730 vfree(rxr->rx_buf_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700731 rxr->rx_buf_ring = NULL;
732
733 for (j = 0; j < bp->rx_max_pg_ring; j++) {
734 if (rxr->rx_pg_desc_ring[j])
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000735 dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
736 rxr->rx_pg_desc_ring[j],
737 rxr->rx_pg_desc_mapping[j]);
Michael Chan3298a732008-12-17 19:06:08 -0800738 rxr->rx_pg_desc_ring[j] = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -0700739 }
Breno Leitao25b0b992009-06-08 10:30:19 +0000740 vfree(rxr->rx_pg_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700741 rxr->rx_pg_ring = NULL;
742 }
743}
744
Michael Chan35e90102008-06-19 16:37:42 -0700745static int
746bnx2_alloc_tx_mem(struct bnx2 *bp)
747{
748 int i;
749
750 for (i = 0; i < bp->num_tx_rings; i++) {
751 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
752 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
753
754 txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
755 if (txr->tx_buf_ring == NULL)
756 return -ENOMEM;
757
758 txr->tx_desc_ring =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000759 dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
760 &txr->tx_desc_mapping, GFP_KERNEL);
Michael Chan35e90102008-06-19 16:37:42 -0700761 if (txr->tx_desc_ring == NULL)
762 return -ENOMEM;
763 }
764 return 0;
765}
766
Michael Chanbb4f98a2008-06-19 16:38:19 -0700767static int
768bnx2_alloc_rx_mem(struct bnx2 *bp)
769{
770 int i;
771
772 for (i = 0; i < bp->num_rx_rings; i++) {
773 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
774 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
775 int j;
776
777 rxr->rx_buf_ring =
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000778 vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700779 if (rxr->rx_buf_ring == NULL)
780 return -ENOMEM;
781
Michael Chanbb4f98a2008-06-19 16:38:19 -0700782 for (j = 0; j < bp->rx_max_ring; j++) {
783 rxr->rx_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000784 dma_alloc_coherent(&bp->pdev->dev,
785 RXBD_RING_SIZE,
786 &rxr->rx_desc_mapping[j],
787 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700788 if (rxr->rx_desc_ring[j] == NULL)
789 return -ENOMEM;
790
791 }
792
793 if (bp->rx_pg_ring_size) {
Eric Dumazet89bf67f2010-11-22 00:15:06 +0000794 rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
Michael Chanbb4f98a2008-06-19 16:38:19 -0700795 bp->rx_max_pg_ring);
796 if (rxr->rx_pg_ring == NULL)
797 return -ENOMEM;
798
Michael Chanbb4f98a2008-06-19 16:38:19 -0700799 }
800
801 for (j = 0; j < bp->rx_max_pg_ring; j++) {
802 rxr->rx_pg_desc_ring[j] =
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000803 dma_alloc_coherent(&bp->pdev->dev,
804 RXBD_RING_SIZE,
805 &rxr->rx_pg_desc_mapping[j],
806 GFP_KERNEL);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700807 if (rxr->rx_pg_desc_ring[j] == NULL)
808 return -ENOMEM;
809
810 }
811 }
812 return 0;
813}
814
Michael Chan35e90102008-06-19 16:37:42 -0700815static void
Michael Chanb6016b72005-05-26 13:03:09 -0700816bnx2_free_mem(struct bnx2 *bp)
817{
Michael Chan13daffa2006-03-20 17:49:20 -0800818 int i;
Michael Chan43e80b82008-06-19 16:41:08 -0700819 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
Michael Chan13daffa2006-03-20 17:49:20 -0800820
Michael Chan35e90102008-06-19 16:37:42 -0700821 bnx2_free_tx_mem(bp);
Michael Chanbb4f98a2008-06-19 16:38:19 -0700822 bnx2_free_rx_mem(bp);
Michael Chan35e90102008-06-19 16:37:42 -0700823
Michael Chan59b47d82006-11-19 14:10:45 -0800824 for (i = 0; i < bp->ctx_pages; i++) {
825 if (bp->ctx_blk[i]) {
Michael Chan2bc40782012-12-06 10:33:09 +0000826 dma_free_coherent(&bp->pdev->dev, BNX2_PAGE_SIZE,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000827 bp->ctx_blk[i],
828 bp->ctx_blk_mapping[i]);
Michael Chan59b47d82006-11-19 14:10:45 -0800829 bp->ctx_blk[i] = NULL;
830 }
831 }
Michael Chan43e80b82008-06-19 16:41:08 -0700832 if (bnapi->status_blk.msi) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000833 dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
834 bnapi->status_blk.msi,
835 bp->status_blk_mapping);
Michael Chan43e80b82008-06-19 16:41:08 -0700836 bnapi->status_blk.msi = NULL;
Michael Chan0f31f992006-03-23 01:12:38 -0800837 bp->stats_blk = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -0700838 }
Michael Chanb6016b72005-05-26 13:03:09 -0700839}
840
841static int
842bnx2_alloc_mem(struct bnx2 *bp)
843{
Michael Chan35e90102008-06-19 16:37:42 -0700844 int i, status_blk_size, err;
Michael Chan43e80b82008-06-19 16:41:08 -0700845 struct bnx2_napi *bnapi;
846 void *status_blk;
Michael Chanb6016b72005-05-26 13:03:09 -0700847
Michael Chan0f31f992006-03-23 01:12:38 -0800848 /* Combine status and statistics blocks into one allocation. */
849 status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
David S. Millerf86e82f2008-01-21 17:15:40 -0800850 if (bp->flags & BNX2_FLAG_MSIX_CAP)
Michael Chanb4b36042007-12-20 19:59:30 -0800851 status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
852 BNX2_SBLK_MSIX_ALIGN_SIZE);
Michael Chan0f31f992006-03-23 01:12:38 -0800853 bp->status_stats_size = status_blk_size +
854 sizeof(struct statistics_block);
855
Joe Perchesede23fa82013-08-26 22:45:23 -0700856 status_blk = dma_zalloc_coherent(&bp->pdev->dev, bp->status_stats_size,
857 &bp->status_blk_mapping, GFP_KERNEL);
Michael Chan43e80b82008-06-19 16:41:08 -0700858 if (status_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -0700859 goto alloc_mem_err;
860
Michael Chan43e80b82008-06-19 16:41:08 -0700861 bnapi = &bp->bnx2_napi[0];
862 bnapi->status_blk.msi = status_blk;
863 bnapi->hw_tx_cons_ptr =
864 &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
865 bnapi->hw_rx_cons_ptr =
866 &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
David S. Millerf86e82f2008-01-21 17:15:40 -0800867 if (bp->flags & BNX2_FLAG_MSIX_CAP) {
Michael Chan379b39a2010-07-19 14:15:03 +0000868 for (i = 1; i < bp->irq_nvecs; i++) {
Michael Chan43e80b82008-06-19 16:41:08 -0700869 struct status_block_msix *sblk;
Michael Chanb4b36042007-12-20 19:59:30 -0800870
Michael Chan43e80b82008-06-19 16:41:08 -0700871 bnapi = &bp->bnx2_napi[i];
872
Joe Perches64699332012-06-04 12:44:16 +0000873 sblk = (status_blk + BNX2_SBLK_MSIX_ALIGN_SIZE * i);
Michael Chan43e80b82008-06-19 16:41:08 -0700874 bnapi->status_blk.msix = sblk;
875 bnapi->hw_tx_cons_ptr =
876 &sblk->status_tx_quick_consumer_index;
877 bnapi->hw_rx_cons_ptr =
878 &sblk->status_rx_quick_consumer_index;
Michael Chanb4b36042007-12-20 19:59:30 -0800879 bnapi->int_num = i << 24;
880 }
881 }
Michael Chan35efa7c2007-12-20 19:56:37 -0800882
Michael Chan43e80b82008-06-19 16:41:08 -0700883 bp->stats_blk = status_blk + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700884
Michael Chan0f31f992006-03-23 01:12:38 -0800885 bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
Michael Chanb6016b72005-05-26 13:03:09 -0700886
Michael Chan4ce45e02012-12-06 10:33:10 +0000887 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan2bc40782012-12-06 10:33:09 +0000888 bp->ctx_pages = 0x2000 / BNX2_PAGE_SIZE;
Michael Chan59b47d82006-11-19 14:10:45 -0800889 if (bp->ctx_pages == 0)
890 bp->ctx_pages = 1;
891 for (i = 0; i < bp->ctx_pages; i++) {
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000892 bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
Michael Chan2bc40782012-12-06 10:33:09 +0000893 BNX2_PAGE_SIZE,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +0000894 &bp->ctx_blk_mapping[i],
895 GFP_KERNEL);
Michael Chan59b47d82006-11-19 14:10:45 -0800896 if (bp->ctx_blk[i] == NULL)
897 goto alloc_mem_err;
898 }
899 }
Michael Chan35e90102008-06-19 16:37:42 -0700900
Michael Chanbb4f98a2008-06-19 16:38:19 -0700901 err = bnx2_alloc_rx_mem(bp);
902 if (err)
903 goto alloc_mem_err;
904
Michael Chan35e90102008-06-19 16:37:42 -0700905 err = bnx2_alloc_tx_mem(bp);
906 if (err)
907 goto alloc_mem_err;
908
Michael Chanb6016b72005-05-26 13:03:09 -0700909 return 0;
910
911alloc_mem_err:
912 bnx2_free_mem(bp);
913 return -ENOMEM;
914}
915
916static void
Michael Chane3648b32005-11-04 08:51:21 -0800917bnx2_report_fw_link(struct bnx2 *bp)
918{
919 u32 fw_link_status = 0;
920
Michael Chan583c28e2008-01-21 19:51:35 -0800921 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -0700922 return;
923
Michael Chane3648b32005-11-04 08:51:21 -0800924 if (bp->link_up) {
925 u32 bmsr;
926
927 switch (bp->line_speed) {
928 case SPEED_10:
929 if (bp->duplex == DUPLEX_HALF)
930 fw_link_status = BNX2_LINK_STATUS_10HALF;
931 else
932 fw_link_status = BNX2_LINK_STATUS_10FULL;
933 break;
934 case SPEED_100:
935 if (bp->duplex == DUPLEX_HALF)
936 fw_link_status = BNX2_LINK_STATUS_100HALF;
937 else
938 fw_link_status = BNX2_LINK_STATUS_100FULL;
939 break;
940 case SPEED_1000:
941 if (bp->duplex == DUPLEX_HALF)
942 fw_link_status = BNX2_LINK_STATUS_1000HALF;
943 else
944 fw_link_status = BNX2_LINK_STATUS_1000FULL;
945 break;
946 case SPEED_2500:
947 if (bp->duplex == DUPLEX_HALF)
948 fw_link_status = BNX2_LINK_STATUS_2500HALF;
949 else
950 fw_link_status = BNX2_LINK_STATUS_2500FULL;
951 break;
952 }
953
954 fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
955
956 if (bp->autoneg) {
957 fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
958
Michael Chanca58c3a2007-05-03 13:22:52 -0700959 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
960 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chane3648b32005-11-04 08:51:21 -0800961
962 if (!(bmsr & BMSR_ANEGCOMPLETE) ||
Michael Chan583c28e2008-01-21 19:51:35 -0800963 bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
Michael Chane3648b32005-11-04 08:51:21 -0800964 fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
965 else
966 fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
967 }
968 }
969 else
970 fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
971
Michael Chan2726d6e2008-01-29 21:35:05 -0800972 bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
Michael Chane3648b32005-11-04 08:51:21 -0800973}
974
Michael Chan9b1084b2007-07-07 22:50:37 -0700975static char *
976bnx2_xceiver_str(struct bnx2 *bp)
977{
Eric Dumazet807540b2010-09-23 05:40:09 +0000978 return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
Michael Chan583c28e2008-01-21 19:51:35 -0800979 ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
Eric Dumazet807540b2010-09-23 05:40:09 +0000980 "Copper");
Michael Chan9b1084b2007-07-07 22:50:37 -0700981}
982
Michael Chane3648b32005-11-04 08:51:21 -0800983static void
Michael Chanb6016b72005-05-26 13:03:09 -0700984bnx2_report_link(struct bnx2 *bp)
985{
986 if (bp->link_up) {
987 netif_carrier_on(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +0000988 netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
989 bnx2_xceiver_str(bp),
990 bp->line_speed,
991 bp->duplex == DUPLEX_FULL ? "full" : "half");
Michael Chanb6016b72005-05-26 13:03:09 -0700992
993 if (bp->flow_ctrl) {
994 if (bp->flow_ctrl & FLOW_CTRL_RX) {
Joe Perches3a9c6a42010-02-17 15:01:51 +0000995 pr_cont(", receive ");
Michael Chanb6016b72005-05-26 13:03:09 -0700996 if (bp->flow_ctrl & FLOW_CTRL_TX)
Joe Perches3a9c6a42010-02-17 15:01:51 +0000997 pr_cont("& transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -0700998 }
999 else {
Joe Perches3a9c6a42010-02-17 15:01:51 +00001000 pr_cont(", transmit ");
Michael Chanb6016b72005-05-26 13:03:09 -07001001 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00001002 pr_cont("flow control ON");
Michael Chanb6016b72005-05-26 13:03:09 -07001003 }
Joe Perches3a9c6a42010-02-17 15:01:51 +00001004 pr_cont("\n");
1005 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07001006 netif_carrier_off(bp->dev);
Joe Perches3a9c6a42010-02-17 15:01:51 +00001007 netdev_err(bp->dev, "NIC %s Link is Down\n",
1008 bnx2_xceiver_str(bp));
Michael Chanb6016b72005-05-26 13:03:09 -07001009 }
Michael Chane3648b32005-11-04 08:51:21 -08001010
1011 bnx2_report_fw_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001012}
1013
1014static void
1015bnx2_resolve_flow_ctrl(struct bnx2 *bp)
1016{
1017 u32 local_adv, remote_adv;
1018
1019 bp->flow_ctrl = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001020 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
Michael Chanb6016b72005-05-26 13:03:09 -07001021 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
1022
1023 if (bp->duplex == DUPLEX_FULL) {
1024 bp->flow_ctrl = bp->req_flow_ctrl;
1025 }
1026 return;
1027 }
1028
1029 if (bp->duplex != DUPLEX_FULL) {
1030 return;
1031 }
1032
Michael Chan583c28e2008-01-21 19:51:35 -08001033 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001034 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001035 u32 val;
1036
1037 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1038 if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
1039 bp->flow_ctrl |= FLOW_CTRL_TX;
1040 if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
1041 bp->flow_ctrl |= FLOW_CTRL_RX;
1042 return;
1043 }
1044
Michael Chanca58c3a2007-05-03 13:22:52 -07001045 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1046 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001047
Michael Chan583c28e2008-01-21 19:51:35 -08001048 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001049 u32 new_local_adv = 0;
1050 u32 new_remote_adv = 0;
1051
1052 if (local_adv & ADVERTISE_1000XPAUSE)
1053 new_local_adv |= ADVERTISE_PAUSE_CAP;
1054 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1055 new_local_adv |= ADVERTISE_PAUSE_ASYM;
1056 if (remote_adv & ADVERTISE_1000XPAUSE)
1057 new_remote_adv |= ADVERTISE_PAUSE_CAP;
1058 if (remote_adv & ADVERTISE_1000XPSE_ASYM)
1059 new_remote_adv |= ADVERTISE_PAUSE_ASYM;
1060
1061 local_adv = new_local_adv;
1062 remote_adv = new_remote_adv;
1063 }
1064
1065 /* See Table 28B-3 of 802.3ab-1999 spec. */
1066 if (local_adv & ADVERTISE_PAUSE_CAP) {
1067 if(local_adv & ADVERTISE_PAUSE_ASYM) {
1068 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1069 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1070 }
1071 else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
1072 bp->flow_ctrl = FLOW_CTRL_RX;
1073 }
1074 }
1075 else {
1076 if (remote_adv & ADVERTISE_PAUSE_CAP) {
1077 bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
1078 }
1079 }
1080 }
1081 else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1082 if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
1083 (remote_adv & ADVERTISE_PAUSE_ASYM)) {
1084
1085 bp->flow_ctrl = FLOW_CTRL_TX;
1086 }
1087 }
1088}
1089
1090static int
Michael Chan27a005b2007-05-03 13:23:41 -07001091bnx2_5709s_linkup(struct bnx2 *bp)
1092{
1093 u32 val, speed;
1094
1095 bp->link_up = 1;
1096
1097 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
1098 bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
1099 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1100
1101 if ((bp->autoneg & AUTONEG_SPEED) == 0) {
1102 bp->line_speed = bp->req_line_speed;
1103 bp->duplex = bp->req_duplex;
1104 return 0;
1105 }
1106 speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
1107 switch (speed) {
1108 case MII_BNX2_GP_TOP_AN_SPEED_10:
1109 bp->line_speed = SPEED_10;
1110 break;
1111 case MII_BNX2_GP_TOP_AN_SPEED_100:
1112 bp->line_speed = SPEED_100;
1113 break;
1114 case MII_BNX2_GP_TOP_AN_SPEED_1G:
1115 case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
1116 bp->line_speed = SPEED_1000;
1117 break;
1118 case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
1119 bp->line_speed = SPEED_2500;
1120 break;
1121 }
1122 if (val & MII_BNX2_GP_TOP_AN_FD)
1123 bp->duplex = DUPLEX_FULL;
1124 else
1125 bp->duplex = DUPLEX_HALF;
1126 return 0;
1127}
1128
1129static int
Michael Chan5b0c76a2005-11-04 08:45:49 -08001130bnx2_5708s_linkup(struct bnx2 *bp)
1131{
1132 u32 val;
1133
1134 bp->link_up = 1;
1135 bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
1136 switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
1137 case BCM5708S_1000X_STAT1_SPEED_10:
1138 bp->line_speed = SPEED_10;
1139 break;
1140 case BCM5708S_1000X_STAT1_SPEED_100:
1141 bp->line_speed = SPEED_100;
1142 break;
1143 case BCM5708S_1000X_STAT1_SPEED_1G:
1144 bp->line_speed = SPEED_1000;
1145 break;
1146 case BCM5708S_1000X_STAT1_SPEED_2G5:
1147 bp->line_speed = SPEED_2500;
1148 break;
1149 }
1150 if (val & BCM5708S_1000X_STAT1_FD)
1151 bp->duplex = DUPLEX_FULL;
1152 else
1153 bp->duplex = DUPLEX_HALF;
1154
1155 return 0;
1156}
1157
1158static int
1159bnx2_5706s_linkup(struct bnx2 *bp)
Michael Chanb6016b72005-05-26 13:03:09 -07001160{
1161 u32 bmcr, local_adv, remote_adv, common;
1162
1163 bp->link_up = 1;
1164 bp->line_speed = SPEED_1000;
1165
Michael Chanca58c3a2007-05-03 13:22:52 -07001166 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001167 if (bmcr & BMCR_FULLDPLX) {
1168 bp->duplex = DUPLEX_FULL;
1169 }
1170 else {
1171 bp->duplex = DUPLEX_HALF;
1172 }
1173
1174 if (!(bmcr & BMCR_ANENABLE)) {
1175 return 0;
1176 }
1177
Michael Chanca58c3a2007-05-03 13:22:52 -07001178 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1179 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001180
1181 common = local_adv & remote_adv;
1182 if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
1183
1184 if (common & ADVERTISE_1000XFULL) {
1185 bp->duplex = DUPLEX_FULL;
1186 }
1187 else {
1188 bp->duplex = DUPLEX_HALF;
1189 }
1190 }
1191
1192 return 0;
1193}
1194
1195static int
1196bnx2_copper_linkup(struct bnx2 *bp)
1197{
1198 u32 bmcr;
1199
Michael Chan4016bad2013-12-31 23:22:34 -08001200 bp->phy_flags &= ~BNX2_PHY_FLAG_MDIX;
1201
Michael Chanca58c3a2007-05-03 13:22:52 -07001202 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001203 if (bmcr & BMCR_ANENABLE) {
1204 u32 local_adv, remote_adv, common;
1205
1206 bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
1207 bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
1208
1209 common = local_adv & (remote_adv >> 2);
1210 if (common & ADVERTISE_1000FULL) {
1211 bp->line_speed = SPEED_1000;
1212 bp->duplex = DUPLEX_FULL;
1213 }
1214 else if (common & ADVERTISE_1000HALF) {
1215 bp->line_speed = SPEED_1000;
1216 bp->duplex = DUPLEX_HALF;
1217 }
1218 else {
Michael Chanca58c3a2007-05-03 13:22:52 -07001219 bnx2_read_phy(bp, bp->mii_adv, &local_adv);
1220 bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
Michael Chanb6016b72005-05-26 13:03:09 -07001221
1222 common = local_adv & remote_adv;
1223 if (common & ADVERTISE_100FULL) {
1224 bp->line_speed = SPEED_100;
1225 bp->duplex = DUPLEX_FULL;
1226 }
1227 else if (common & ADVERTISE_100HALF) {
1228 bp->line_speed = SPEED_100;
1229 bp->duplex = DUPLEX_HALF;
1230 }
1231 else if (common & ADVERTISE_10FULL) {
1232 bp->line_speed = SPEED_10;
1233 bp->duplex = DUPLEX_FULL;
1234 }
1235 else if (common & ADVERTISE_10HALF) {
1236 bp->line_speed = SPEED_10;
1237 bp->duplex = DUPLEX_HALF;
1238 }
1239 else {
1240 bp->line_speed = 0;
1241 bp->link_up = 0;
1242 }
1243 }
1244 }
1245 else {
1246 if (bmcr & BMCR_SPEED100) {
1247 bp->line_speed = SPEED_100;
1248 }
1249 else {
1250 bp->line_speed = SPEED_10;
1251 }
1252 if (bmcr & BMCR_FULLDPLX) {
1253 bp->duplex = DUPLEX_FULL;
1254 }
1255 else {
1256 bp->duplex = DUPLEX_HALF;
1257 }
1258 }
1259
Michael Chan4016bad2013-12-31 23:22:34 -08001260 if (bp->link_up) {
1261 u32 ext_status;
1262
1263 bnx2_read_phy(bp, MII_BNX2_EXT_STATUS, &ext_status);
1264 if (ext_status & EXT_STATUS_MDIX)
1265 bp->phy_flags |= BNX2_PHY_FLAG_MDIX;
1266 }
1267
Michael Chanb6016b72005-05-26 13:03:09 -07001268 return 0;
1269}
1270
Michael Chan83e3fc82008-01-29 21:37:17 -08001271static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07001272bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
Michael Chan83e3fc82008-01-29 21:37:17 -08001273{
Michael Chanbb4f98a2008-06-19 16:38:19 -07001274 u32 val, rx_cid_addr = GET_CID_ADDR(cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08001275
1276 val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
1277 val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
1278 val |= 0x02 << 8;
1279
Michael Chan22fa1592010-10-11 16:12:00 -07001280 if (bp->flow_ctrl & FLOW_CTRL_TX)
1281 val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
Michael Chan83e3fc82008-01-29 21:37:17 -08001282
Michael Chan83e3fc82008-01-29 21:37:17 -08001283 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
1284}
1285
Michael Chanbb4f98a2008-06-19 16:38:19 -07001286static void
1287bnx2_init_all_rx_contexts(struct bnx2 *bp)
1288{
1289 int i;
1290 u32 cid;
1291
1292 for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
1293 if (i == 1)
1294 cid = RX_RSS_CID;
1295 bnx2_init_rx_context(bp, cid);
1296 }
1297}
1298
Benjamin Li344478d2008-09-18 16:38:24 -07001299static void
Michael Chanb6016b72005-05-26 13:03:09 -07001300bnx2_set_mac_link(struct bnx2 *bp)
1301{
1302 u32 val;
1303
Michael Chane503e062012-12-06 10:33:08 +00001304 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
Michael Chanb6016b72005-05-26 13:03:09 -07001305 if (bp->link_up && (bp->line_speed == SPEED_1000) &&
1306 (bp->duplex == DUPLEX_HALF)) {
Michael Chane503e062012-12-06 10:33:08 +00001307 BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
Michael Chanb6016b72005-05-26 13:03:09 -07001308 }
1309
1310 /* Configure the EMAC mode register. */
Michael Chane503e062012-12-06 10:33:08 +00001311 val = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001312
1313 val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
Michael Chan5b0c76a2005-11-04 08:45:49 -08001314 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08001315 BNX2_EMAC_MODE_25G_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001316
1317 if (bp->link_up) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001318 switch (bp->line_speed) {
1319 case SPEED_10:
Michael Chan4ce45e02012-12-06 10:33:10 +00001320 if (BNX2_CHIP(bp) != BNX2_CHIP_5706) {
Michael Chan59b47d82006-11-19 14:10:45 -08001321 val |= BNX2_EMAC_MODE_PORT_MII_10M;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001322 break;
1323 }
1324 /* fall through */
1325 case SPEED_100:
1326 val |= BNX2_EMAC_MODE_PORT_MII;
1327 break;
1328 case SPEED_2500:
Michael Chan59b47d82006-11-19 14:10:45 -08001329 val |= BNX2_EMAC_MODE_25G_MODE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001330 /* fall through */
1331 case SPEED_1000:
1332 val |= BNX2_EMAC_MODE_PORT_GMII;
1333 break;
1334 }
Michael Chanb6016b72005-05-26 13:03:09 -07001335 }
1336 else {
1337 val |= BNX2_EMAC_MODE_PORT_GMII;
1338 }
1339
1340 /* Set the MAC to operate in the appropriate duplex mode. */
1341 if (bp->duplex == DUPLEX_HALF)
1342 val |= BNX2_EMAC_MODE_HALF_DUPLEX;
Michael Chane503e062012-12-06 10:33:08 +00001343 BNX2_WR(bp, BNX2_EMAC_MODE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07001344
1345 /* Enable/disable rx PAUSE. */
1346 bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
1347
1348 if (bp->flow_ctrl & FLOW_CTRL_RX)
1349 bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
Michael Chane503e062012-12-06 10:33:08 +00001350 BNX2_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
Michael Chanb6016b72005-05-26 13:03:09 -07001351
1352 /* Enable/disable tx PAUSE. */
Michael Chane503e062012-12-06 10:33:08 +00001353 val = BNX2_RD(bp, BNX2_EMAC_TX_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07001354 val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
1355
1356 if (bp->flow_ctrl & FLOW_CTRL_TX)
1357 val |= BNX2_EMAC_TX_MODE_FLOW_EN;
Michael Chane503e062012-12-06 10:33:08 +00001358 BNX2_WR(bp, BNX2_EMAC_TX_MODE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07001359
1360 /* Acknowledge the interrupt. */
Michael Chane503e062012-12-06 10:33:08 +00001361 BNX2_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
Michael Chanb6016b72005-05-26 13:03:09 -07001362
Michael Chan22fa1592010-10-11 16:12:00 -07001363 bnx2_init_all_rx_contexts(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001364}
1365
Michael Chan27a005b2007-05-03 13:23:41 -07001366static void
1367bnx2_enable_bmsr1(struct bnx2 *bp)
1368{
Michael Chan583c28e2008-01-21 19:51:35 -08001369 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001370 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
Michael Chan27a005b2007-05-03 13:23:41 -07001371 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1372 MII_BNX2_BLK_ADDR_GP_STATUS);
1373}
1374
1375static void
1376bnx2_disable_bmsr1(struct bnx2 *bp)
1377{
Michael Chan583c28e2008-01-21 19:51:35 -08001378 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001379 (BNX2_CHIP(bp) == BNX2_CHIP_5709))
Michael Chan27a005b2007-05-03 13:23:41 -07001380 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1381 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1382}
1383
Michael Chanb6016b72005-05-26 13:03:09 -07001384static int
Michael Chan605a9e22007-05-03 13:23:13 -07001385bnx2_test_and_enable_2g5(struct bnx2 *bp)
1386{
1387 u32 up1;
1388 int ret = 1;
1389
Michael Chan583c28e2008-01-21 19:51:35 -08001390 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001391 return 0;
1392
1393 if (bp->autoneg & AUTONEG_SPEED)
1394 bp->advertising |= ADVERTISED_2500baseX_Full;
1395
Michael Chan4ce45e02012-12-06 10:33:10 +00001396 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001397 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1398
Michael Chan605a9e22007-05-03 13:23:13 -07001399 bnx2_read_phy(bp, bp->mii_up1, &up1);
1400 if (!(up1 & BCM5708S_UP1_2G5)) {
1401 up1 |= BCM5708S_UP1_2G5;
1402 bnx2_write_phy(bp, bp->mii_up1, up1);
1403 ret = 0;
1404 }
1405
Michael Chan4ce45e02012-12-06 10:33:10 +00001406 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001407 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1408 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1409
Michael Chan605a9e22007-05-03 13:23:13 -07001410 return ret;
1411}
1412
1413static int
1414bnx2_test_and_disable_2g5(struct bnx2 *bp)
1415{
1416 u32 up1;
1417 int ret = 0;
1418
Michael Chan583c28e2008-01-21 19:51:35 -08001419 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001420 return 0;
1421
Michael Chan4ce45e02012-12-06 10:33:10 +00001422 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001423 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
1424
Michael Chan605a9e22007-05-03 13:23:13 -07001425 bnx2_read_phy(bp, bp->mii_up1, &up1);
1426 if (up1 & BCM5708S_UP1_2G5) {
1427 up1 &= ~BCM5708S_UP1_2G5;
1428 bnx2_write_phy(bp, bp->mii_up1, up1);
1429 ret = 1;
1430 }
1431
Michael Chan4ce45e02012-12-06 10:33:10 +00001432 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001433 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1434 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
1435
Michael Chan605a9e22007-05-03 13:23:13 -07001436 return ret;
1437}
1438
1439static void
1440bnx2_enable_forced_2g5(struct bnx2 *bp)
1441{
Michael Chancbd68902010-06-08 07:21:30 +00001442 u32 uninitialized_var(bmcr);
1443 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001444
Michael Chan583c28e2008-01-21 19:51:35 -08001445 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001446 return;
1447
Michael Chan4ce45e02012-12-06 10:33:10 +00001448 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan27a005b2007-05-03 13:23:41 -07001449 u32 val;
1450
1451 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1452 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001453 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1454 val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
1455 val |= MII_BNX2_SD_MISC1_FORCE |
1456 MII_BNX2_SD_MISC1_FORCE_2_5G;
1457 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1458 }
Michael Chan27a005b2007-05-03 13:23:41 -07001459
1460 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1461 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001462 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001463
Michael Chan4ce45e02012-12-06 10:33:10 +00001464 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001465 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1466 if (!err)
1467 bmcr |= BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc70798572009-11-02 23:17:42 +00001468 } else {
1469 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001470 }
1471
Michael Chancbd68902010-06-08 07:21:30 +00001472 if (err)
1473 return;
1474
Michael Chan605a9e22007-05-03 13:23:13 -07001475 if (bp->autoneg & AUTONEG_SPEED) {
1476 bmcr &= ~BMCR_ANENABLE;
1477 if (bp->req_duplex == DUPLEX_FULL)
1478 bmcr |= BMCR_FULLDPLX;
1479 }
1480 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1481}
1482
1483static void
1484bnx2_disable_forced_2g5(struct bnx2 *bp)
1485{
Michael Chancbd68902010-06-08 07:21:30 +00001486 u32 uninitialized_var(bmcr);
1487 int err;
Michael Chan605a9e22007-05-03 13:23:13 -07001488
Michael Chan583c28e2008-01-21 19:51:35 -08001489 if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan605a9e22007-05-03 13:23:13 -07001490 return;
1491
Michael Chan4ce45e02012-12-06 10:33:10 +00001492 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan27a005b2007-05-03 13:23:41 -07001493 u32 val;
1494
1495 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1496 MII_BNX2_BLK_ADDR_SERDES_DIG);
Michael Chancbd68902010-06-08 07:21:30 +00001497 if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
1498 val &= ~MII_BNX2_SD_MISC1_FORCE;
1499 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
1500 }
Michael Chan27a005b2007-05-03 13:23:41 -07001501
1502 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
1503 MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chancbd68902010-06-08 07:21:30 +00001504 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan27a005b2007-05-03 13:23:41 -07001505
Michael Chan4ce45e02012-12-06 10:33:10 +00001506 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
Michael Chancbd68902010-06-08 07:21:30 +00001507 err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1508 if (!err)
1509 bmcr &= ~BCM5708S_BMCR_FORCE_2500;
Eric Dumazetc70798572009-11-02 23:17:42 +00001510 } else {
1511 return;
Michael Chan605a9e22007-05-03 13:23:13 -07001512 }
1513
Michael Chancbd68902010-06-08 07:21:30 +00001514 if (err)
1515 return;
1516
Michael Chan605a9e22007-05-03 13:23:13 -07001517 if (bp->autoneg & AUTONEG_SPEED)
1518 bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
1519 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1520}
1521
Michael Chanb2fadea2008-01-21 17:07:06 -08001522static void
1523bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
1524{
1525 u32 val;
1526
1527 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
1528 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
1529 if (start)
1530 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
1531 else
1532 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
1533}
1534
Michael Chan605a9e22007-05-03 13:23:13 -07001535static int
Michael Chanb6016b72005-05-26 13:03:09 -07001536bnx2_set_link(struct bnx2 *bp)
1537{
1538 u32 bmsr;
1539 u8 link_up;
1540
Michael Chan80be4432006-11-19 14:07:28 -08001541 if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
Michael Chanb6016b72005-05-26 13:03:09 -07001542 bp->link_up = 1;
1543 return 0;
1544 }
1545
Michael Chan583c28e2008-01-21 19:51:35 -08001546 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07001547 return 0;
1548
Michael Chanb6016b72005-05-26 13:03:09 -07001549 link_up = bp->link_up;
1550
Michael Chan27a005b2007-05-03 13:23:41 -07001551 bnx2_enable_bmsr1(bp);
1552 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1553 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
1554 bnx2_disable_bmsr1(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001555
Michael Chan583c28e2008-01-21 19:51:35 -08001556 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan4ce45e02012-12-06 10:33:10 +00001557 (BNX2_CHIP(bp) == BNX2_CHIP_5706)) {
Michael Chana2724e22008-02-23 19:47:44 -08001558 u32 val, an_dbg;
Michael Chanb6016b72005-05-26 13:03:09 -07001559
Michael Chan583c28e2008-01-21 19:51:35 -08001560 if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001561 bnx2_5706s_force_link_dn(bp, 0);
Michael Chan583c28e2008-01-21 19:51:35 -08001562 bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
Michael Chanb2fadea2008-01-21 17:07:06 -08001563 }
Michael Chane503e062012-12-06 10:33:08 +00001564 val = BNX2_RD(bp, BNX2_EMAC_STATUS);
Michael Chana2724e22008-02-23 19:47:44 -08001565
1566 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
1567 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1568 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
1569
1570 if ((val & BNX2_EMAC_STATUS_LINK) &&
1571 !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
Michael Chanb6016b72005-05-26 13:03:09 -07001572 bmsr |= BMSR_LSTATUS;
1573 else
1574 bmsr &= ~BMSR_LSTATUS;
1575 }
1576
1577 if (bmsr & BMSR_LSTATUS) {
1578 bp->link_up = 1;
1579
Michael Chan583c28e2008-01-21 19:51:35 -08001580 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan4ce45e02012-12-06 10:33:10 +00001581 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chan5b0c76a2005-11-04 08:45:49 -08001582 bnx2_5706s_linkup(bp);
Michael Chan4ce45e02012-12-06 10:33:10 +00001583 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
Michael Chan5b0c76a2005-11-04 08:45:49 -08001584 bnx2_5708s_linkup(bp);
Michael Chan4ce45e02012-12-06 10:33:10 +00001585 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan27a005b2007-05-03 13:23:41 -07001586 bnx2_5709s_linkup(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001587 }
1588 else {
1589 bnx2_copper_linkup(bp);
1590 }
1591 bnx2_resolve_flow_ctrl(bp);
1592 }
1593 else {
Michael Chan583c28e2008-01-21 19:51:35 -08001594 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
Michael Chan605a9e22007-05-03 13:23:13 -07001595 (bp->autoneg & AUTONEG_SPEED))
1596 bnx2_disable_forced_2g5(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001597
Michael Chan583c28e2008-01-21 19:51:35 -08001598 if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
Michael Chanb2fadea2008-01-21 17:07:06 -08001599 u32 bmcr;
1600
1601 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
1602 bmcr |= BMCR_ANENABLE;
1603 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
1604
Michael Chan583c28e2008-01-21 19:51:35 -08001605 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb2fadea2008-01-21 17:07:06 -08001606 }
Michael Chanb6016b72005-05-26 13:03:09 -07001607 bp->link_up = 0;
1608 }
1609
1610 if (bp->link_up != link_up) {
1611 bnx2_report_link(bp);
1612 }
1613
1614 bnx2_set_mac_link(bp);
1615
1616 return 0;
1617}
1618
1619static int
1620bnx2_reset_phy(struct bnx2 *bp)
1621{
1622 int i;
1623 u32 reg;
1624
Michael Chanca58c3a2007-05-03 13:22:52 -07001625 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07001626
1627#define PHY_RESET_MAX_WAIT 100
1628 for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
1629 udelay(10);
1630
Michael Chanca58c3a2007-05-03 13:22:52 -07001631 bnx2_read_phy(bp, bp->mii_bmcr, &reg);
Michael Chanb6016b72005-05-26 13:03:09 -07001632 if (!(reg & BMCR_RESET)) {
1633 udelay(20);
1634 break;
1635 }
1636 }
1637 if (i == PHY_RESET_MAX_WAIT) {
1638 return -EBUSY;
1639 }
1640 return 0;
1641}
1642
1643static u32
1644bnx2_phy_get_pause_adv(struct bnx2 *bp)
1645{
1646 u32 adv = 0;
1647
1648 if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
1649 (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
1650
Michael Chan583c28e2008-01-21 19:51:35 -08001651 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001652 adv = ADVERTISE_1000XPAUSE;
1653 }
1654 else {
1655 adv = ADVERTISE_PAUSE_CAP;
1656 }
1657 }
1658 else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001659 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001660 adv = ADVERTISE_1000XPSE_ASYM;
1661 }
1662 else {
1663 adv = ADVERTISE_PAUSE_ASYM;
1664 }
1665 }
1666 else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
Michael Chan583c28e2008-01-21 19:51:35 -08001667 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanb6016b72005-05-26 13:03:09 -07001668 adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1669 }
1670 else {
1671 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1672 }
1673 }
1674 return adv;
1675}
1676
Michael Chana2f13892008-07-14 22:38:23 -07001677static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
Michael Chan0d8a6572007-07-07 22:49:43 -07001678
Michael Chanb6016b72005-05-26 13:03:09 -07001679static int
Michael Chan0d8a6572007-07-07 22:49:43 -07001680bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001681__releases(&bp->phy_lock)
1682__acquires(&bp->phy_lock)
Michael Chan0d8a6572007-07-07 22:49:43 -07001683{
1684 u32 speed_arg = 0, pause_adv;
1685
1686 pause_adv = bnx2_phy_get_pause_adv(bp);
1687
1688 if (bp->autoneg & AUTONEG_SPEED) {
1689 speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
1690 if (bp->advertising & ADVERTISED_10baseT_Half)
1691 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1692 if (bp->advertising & ADVERTISED_10baseT_Full)
1693 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1694 if (bp->advertising & ADVERTISED_100baseT_Half)
1695 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1696 if (bp->advertising & ADVERTISED_100baseT_Full)
1697 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1698 if (bp->advertising & ADVERTISED_1000baseT_Full)
1699 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1700 if (bp->advertising & ADVERTISED_2500baseX_Full)
1701 speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1702 } else {
1703 if (bp->req_line_speed == SPEED_2500)
1704 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
1705 else if (bp->req_line_speed == SPEED_1000)
1706 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
1707 else if (bp->req_line_speed == SPEED_100) {
1708 if (bp->req_duplex == DUPLEX_FULL)
1709 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
1710 else
1711 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
1712 } else if (bp->req_line_speed == SPEED_10) {
1713 if (bp->req_duplex == DUPLEX_FULL)
1714 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
1715 else
1716 speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
1717 }
1718 }
1719
1720 if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
1721 speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
Michael Chanc26736e2008-01-31 17:07:21 -08001722 if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
Michael Chan0d8a6572007-07-07 22:49:43 -07001723 speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
1724
1725 if (port == PORT_TP)
1726 speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
1727 BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
1728
Michael Chan2726d6e2008-01-29 21:35:05 -08001729 bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
Michael Chan0d8a6572007-07-07 22:49:43 -07001730
1731 spin_unlock_bh(&bp->phy_lock);
Michael Chana2f13892008-07-14 22:38:23 -07001732 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
Michael Chan0d8a6572007-07-07 22:49:43 -07001733 spin_lock_bh(&bp->phy_lock);
1734
1735 return 0;
1736}
1737
1738static int
1739bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08001740__releases(&bp->phy_lock)
1741__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07001742{
Michael Chan605a9e22007-05-03 13:23:13 -07001743 u32 adv, bmcr;
Michael Chanb6016b72005-05-26 13:03:09 -07001744 u32 new_adv = 0;
1745
Michael Chan583c28e2008-01-21 19:51:35 -08001746 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Eric Dumazet807540b2010-09-23 05:40:09 +00001747 return bnx2_setup_remote_phy(bp, port);
Michael Chan0d8a6572007-07-07 22:49:43 -07001748
Michael Chanb6016b72005-05-26 13:03:09 -07001749 if (!(bp->autoneg & AUTONEG_SPEED)) {
1750 u32 new_bmcr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001751 int force_link_down = 0;
1752
Michael Chan605a9e22007-05-03 13:23:13 -07001753 if (bp->req_line_speed == SPEED_2500) {
1754 if (!bnx2_test_and_enable_2g5(bp))
1755 force_link_down = 1;
1756 } else if (bp->req_line_speed == SPEED_1000) {
1757 if (bnx2_test_and_disable_2g5(bp))
1758 force_link_down = 1;
1759 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001760 bnx2_read_phy(bp, bp->mii_adv, &adv);
Michael Chan80be4432006-11-19 14:07:28 -08001761 adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
1762
Michael Chanca58c3a2007-05-03 13:22:52 -07001763 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001764 new_bmcr = bmcr & ~BMCR_ANENABLE;
Michael Chan80be4432006-11-19 14:07:28 -08001765 new_bmcr |= BMCR_SPEED1000;
Michael Chan605a9e22007-05-03 13:23:13 -07001766
Michael Chan4ce45e02012-12-06 10:33:10 +00001767 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan27a005b2007-05-03 13:23:41 -07001768 if (bp->req_line_speed == SPEED_2500)
1769 bnx2_enable_forced_2g5(bp);
1770 else if (bp->req_line_speed == SPEED_1000) {
1771 bnx2_disable_forced_2g5(bp);
1772 new_bmcr &= ~0x2000;
1773 }
1774
Michael Chan4ce45e02012-12-06 10:33:10 +00001775 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
Michael Chan605a9e22007-05-03 13:23:13 -07001776 if (bp->req_line_speed == SPEED_2500)
1777 new_bmcr |= BCM5708S_BMCR_FORCE_2500;
1778 else
1779 new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
Michael Chan5b0c76a2005-11-04 08:45:49 -08001780 }
1781
Michael Chanb6016b72005-05-26 13:03:09 -07001782 if (bp->req_duplex == DUPLEX_FULL) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001783 adv |= ADVERTISE_1000XFULL;
Michael Chanb6016b72005-05-26 13:03:09 -07001784 new_bmcr |= BMCR_FULLDPLX;
1785 }
1786 else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08001787 adv |= ADVERTISE_1000XHALF;
Michael Chanb6016b72005-05-26 13:03:09 -07001788 new_bmcr &= ~BMCR_FULLDPLX;
1789 }
Michael Chan5b0c76a2005-11-04 08:45:49 -08001790 if ((new_bmcr != bmcr) || (force_link_down)) {
Michael Chanb6016b72005-05-26 13:03:09 -07001791 /* Force a link down visible on the other side */
1792 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001793 bnx2_write_phy(bp, bp->mii_adv, adv &
Michael Chan5b0c76a2005-11-04 08:45:49 -08001794 ~(ADVERTISE_1000XFULL |
1795 ADVERTISE_1000XHALF));
Michael Chanca58c3a2007-05-03 13:22:52 -07001796 bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
Michael Chanb6016b72005-05-26 13:03:09 -07001797 BMCR_ANRESTART | BMCR_ANENABLE);
1798
1799 bp->link_up = 0;
1800 netif_carrier_off(bp->dev);
Michael Chanca58c3a2007-05-03 13:22:52 -07001801 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan80be4432006-11-19 14:07:28 -08001802 bnx2_report_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001803 }
Michael Chanca58c3a2007-05-03 13:22:52 -07001804 bnx2_write_phy(bp, bp->mii_adv, adv);
1805 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chan605a9e22007-05-03 13:23:13 -07001806 } else {
1807 bnx2_resolve_flow_ctrl(bp);
1808 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001809 }
1810 return 0;
1811 }
1812
Michael Chan605a9e22007-05-03 13:23:13 -07001813 bnx2_test_and_enable_2g5(bp);
Michael Chan5b0c76a2005-11-04 08:45:49 -08001814
Michael Chanb6016b72005-05-26 13:03:09 -07001815 if (bp->advertising & ADVERTISED_1000baseT_Full)
1816 new_adv |= ADVERTISE_1000XFULL;
1817
1818 new_adv |= bnx2_phy_get_pause_adv(bp);
1819
Michael Chanca58c3a2007-05-03 13:22:52 -07001820 bnx2_read_phy(bp, bp->mii_adv, &adv);
1821 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07001822
1823 bp->serdes_an_pending = 0;
1824 if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
1825 /* Force a link down visible on the other side */
1826 if (bp->link_up) {
Michael Chanca58c3a2007-05-03 13:22:52 -07001827 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chan80be4432006-11-19 14:07:28 -08001828 spin_unlock_bh(&bp->phy_lock);
1829 msleep(20);
1830 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07001831 }
1832
Michael Chanca58c3a2007-05-03 13:22:52 -07001833 bnx2_write_phy(bp, bp->mii_adv, new_adv);
1834 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07001835 BMCR_ANENABLE);
Michael Chanf8dd0642006-11-19 14:08:29 -08001836 /* Speed up link-up time when the link partner
1837 * does not autonegotiate which is very common
1838 * in blade servers. Some blade servers use
1839 * IPMI for kerboard input and it's important
1840 * to minimize link disruptions. Autoneg. involves
1841 * exchanging base pages plus 3 next pages and
1842 * normally completes in about 120 msec.
1843 */
Michael Chan40105c02008-11-12 16:02:45 -08001844 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08001845 bp->serdes_an_pending = 1;
1846 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chan605a9e22007-05-03 13:23:13 -07001847 } else {
1848 bnx2_resolve_flow_ctrl(bp);
1849 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07001850 }
1851
1852 return 0;
1853}
1854
1855#define ETHTOOL_ALL_FIBRE_SPEED \
Michael Chan583c28e2008-01-21 19:51:35 -08001856 (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
Michael Chandeaf3912007-07-07 22:48:00 -07001857 (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
1858 (ADVERTISED_1000baseT_Full)
Michael Chanb6016b72005-05-26 13:03:09 -07001859
1860#define ETHTOOL_ALL_COPPER_SPEED \
1861 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
1862 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
1863 ADVERTISED_1000baseT_Full)
1864
1865#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
1866 ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001867
Michael Chanb6016b72005-05-26 13:03:09 -07001868#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
1869
Michael Chandeaf3912007-07-07 22:48:00 -07001870static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001871bnx2_set_default_remote_link(struct bnx2 *bp)
1872{
1873 u32 link;
1874
1875 if (bp->phy_port == PORT_TP)
Michael Chan2726d6e2008-01-29 21:35:05 -08001876 link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001877 else
Michael Chan2726d6e2008-01-29 21:35:05 -08001878 link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
Michael Chan0d8a6572007-07-07 22:49:43 -07001879
1880 if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
1881 bp->req_line_speed = 0;
1882 bp->autoneg |= AUTONEG_SPEED;
1883 bp->advertising = ADVERTISED_Autoneg;
1884 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1885 bp->advertising |= ADVERTISED_10baseT_Half;
1886 if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
1887 bp->advertising |= ADVERTISED_10baseT_Full;
1888 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1889 bp->advertising |= ADVERTISED_100baseT_Half;
1890 if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
1891 bp->advertising |= ADVERTISED_100baseT_Full;
1892 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1893 bp->advertising |= ADVERTISED_1000baseT_Full;
1894 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1895 bp->advertising |= ADVERTISED_2500baseX_Full;
1896 } else {
1897 bp->autoneg = 0;
1898 bp->advertising = 0;
1899 bp->req_duplex = DUPLEX_FULL;
1900 if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
1901 bp->req_line_speed = SPEED_10;
1902 if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
1903 bp->req_duplex = DUPLEX_HALF;
1904 }
1905 if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
1906 bp->req_line_speed = SPEED_100;
1907 if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
1908 bp->req_duplex = DUPLEX_HALF;
1909 }
1910 if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
1911 bp->req_line_speed = SPEED_1000;
1912 if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
1913 bp->req_line_speed = SPEED_2500;
1914 }
1915}
1916
1917static void
Michael Chandeaf3912007-07-07 22:48:00 -07001918bnx2_set_default_link(struct bnx2 *bp)
1919{
Harvey Harrisonab598592008-05-01 02:47:38 -07001920 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
1921 bnx2_set_default_remote_link(bp);
1922 return;
1923 }
Michael Chan0d8a6572007-07-07 22:49:43 -07001924
Michael Chandeaf3912007-07-07 22:48:00 -07001925 bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
1926 bp->req_line_speed = 0;
Michael Chan583c28e2008-01-21 19:51:35 -08001927 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chandeaf3912007-07-07 22:48:00 -07001928 u32 reg;
1929
1930 bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
1931
Michael Chan2726d6e2008-01-29 21:35:05 -08001932 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
Michael Chandeaf3912007-07-07 22:48:00 -07001933 reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
1934 if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
1935 bp->autoneg = 0;
1936 bp->req_line_speed = bp->line_speed = SPEED_1000;
1937 bp->req_duplex = DUPLEX_FULL;
1938 }
1939 } else
1940 bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
1941}
1942
Michael Chan0d8a6572007-07-07 22:49:43 -07001943static void
Michael Chandf149d72007-07-07 22:51:36 -07001944bnx2_send_heart_beat(struct bnx2 *bp)
1945{
1946 u32 msg;
1947 u32 addr;
1948
1949 spin_lock(&bp->indirect_lock);
1950 msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
1951 addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
Michael Chane503e062012-12-06 10:33:08 +00001952 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
1953 BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
Michael Chandf149d72007-07-07 22:51:36 -07001954 spin_unlock(&bp->indirect_lock);
1955}
1956
1957static void
Michael Chan0d8a6572007-07-07 22:49:43 -07001958bnx2_remote_phy_event(struct bnx2 *bp)
1959{
1960 u32 msg;
1961 u8 link_up = bp->link_up;
1962 u8 old_port;
1963
Michael Chan2726d6e2008-01-29 21:35:05 -08001964 msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
Michael Chan0d8a6572007-07-07 22:49:43 -07001965
Michael Chandf149d72007-07-07 22:51:36 -07001966 if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
1967 bnx2_send_heart_beat(bp);
1968
1969 msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
1970
Michael Chan0d8a6572007-07-07 22:49:43 -07001971 if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
1972 bp->link_up = 0;
1973 else {
1974 u32 speed;
1975
1976 bp->link_up = 1;
1977 speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
1978 bp->duplex = DUPLEX_FULL;
1979 switch (speed) {
1980 case BNX2_LINK_STATUS_10HALF:
1981 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00001982 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07001983 case BNX2_LINK_STATUS_10FULL:
1984 bp->line_speed = SPEED_10;
1985 break;
1986 case BNX2_LINK_STATUS_100HALF:
1987 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00001988 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07001989 case BNX2_LINK_STATUS_100BASE_T4:
1990 case BNX2_LINK_STATUS_100FULL:
1991 bp->line_speed = SPEED_100;
1992 break;
1993 case BNX2_LINK_STATUS_1000HALF:
1994 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00001995 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07001996 case BNX2_LINK_STATUS_1000FULL:
1997 bp->line_speed = SPEED_1000;
1998 break;
1999 case BNX2_LINK_STATUS_2500HALF:
2000 bp->duplex = DUPLEX_HALF;
Michael Chan7947c9c2012-06-27 15:08:23 +00002001 /* fall through */
Michael Chan0d8a6572007-07-07 22:49:43 -07002002 case BNX2_LINK_STATUS_2500FULL:
2003 bp->line_speed = SPEED_2500;
2004 break;
2005 default:
2006 bp->line_speed = 0;
2007 break;
2008 }
2009
Michael Chan0d8a6572007-07-07 22:49:43 -07002010 bp->flow_ctrl = 0;
2011 if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
2012 (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
2013 if (bp->duplex == DUPLEX_FULL)
2014 bp->flow_ctrl = bp->req_flow_ctrl;
2015 } else {
2016 if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
2017 bp->flow_ctrl |= FLOW_CTRL_TX;
2018 if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
2019 bp->flow_ctrl |= FLOW_CTRL_RX;
2020 }
2021
2022 old_port = bp->phy_port;
2023 if (msg & BNX2_LINK_STATUS_SERDES_LINK)
2024 bp->phy_port = PORT_FIBRE;
2025 else
2026 bp->phy_port = PORT_TP;
2027
2028 if (old_port != bp->phy_port)
2029 bnx2_set_default_link(bp);
2030
Michael Chan0d8a6572007-07-07 22:49:43 -07002031 }
2032 if (bp->link_up != link_up)
2033 bnx2_report_link(bp);
2034
2035 bnx2_set_mac_link(bp);
2036}
2037
2038static int
2039bnx2_set_remote_link(struct bnx2 *bp)
2040{
2041 u32 evt_code;
2042
Michael Chan2726d6e2008-01-29 21:35:05 -08002043 evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07002044 switch (evt_code) {
2045 case BNX2_FW_EVT_CODE_LINK_EVENT:
2046 bnx2_remote_phy_event(bp);
2047 break;
2048 case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
2049 default:
Michael Chandf149d72007-07-07 22:51:36 -07002050 bnx2_send_heart_beat(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07002051 break;
2052 }
2053 return 0;
2054}
2055
Michael Chanb6016b72005-05-26 13:03:09 -07002056static int
2057bnx2_setup_copper_phy(struct bnx2 *bp)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002058__releases(&bp->phy_lock)
2059__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002060{
Michael Chand17e53b2013-12-31 23:22:32 -08002061 u32 bmcr, adv_reg, new_adv = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002062 u32 new_bmcr;
2063
Michael Chanca58c3a2007-05-03 13:22:52 -07002064 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002065
Michael Chand17e53b2013-12-31 23:22:32 -08002066 bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
2067 adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
2068 ADVERTISE_PAUSE_ASYM);
2069
2070 new_adv = ADVERTISE_CSMA | ethtool_adv_to_mii_adv_t(bp->advertising);
2071
Michael Chanb6016b72005-05-26 13:03:09 -07002072 if (bp->autoneg & AUTONEG_SPEED) {
Michael Chand17e53b2013-12-31 23:22:32 -08002073 u32 adv1000_reg;
Matt Carlson37f07022011-11-17 14:30:55 +00002074 u32 new_adv1000 = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002075
Michael Chand17e53b2013-12-31 23:22:32 -08002076 new_adv |= bnx2_phy_get_pause_adv(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002077
2078 bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
2079 adv1000_reg &= PHY_ALL_1000_SPEED;
2080
Matt Carlson37f07022011-11-17 14:30:55 +00002081 new_adv1000 |= ethtool_adv_to_mii_ctrl1000_t(bp->advertising);
Matt Carlson37f07022011-11-17 14:30:55 +00002082 if ((adv1000_reg != new_adv1000) ||
2083 (adv_reg != new_adv) ||
Michael Chanb6016b72005-05-26 13:03:09 -07002084 ((bmcr & BMCR_ANENABLE) == 0)) {
2085
Matt Carlson37f07022011-11-17 14:30:55 +00002086 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2087 bnx2_write_phy(bp, MII_CTRL1000, new_adv1000);
Michael Chanca58c3a2007-05-03 13:22:52 -07002088 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
Michael Chanb6016b72005-05-26 13:03:09 -07002089 BMCR_ANENABLE);
2090 }
2091 else if (bp->link_up) {
2092 /* Flow ctrl may have changed from auto to forced */
2093 /* or vice-versa. */
2094
2095 bnx2_resolve_flow_ctrl(bp);
2096 bnx2_set_mac_link(bp);
2097 }
2098 return 0;
2099 }
2100
Michael Chand17e53b2013-12-31 23:22:32 -08002101 /* advertise nothing when forcing speed */
2102 if (adv_reg != new_adv)
2103 bnx2_write_phy(bp, bp->mii_adv, new_adv);
2104
Michael Chanb6016b72005-05-26 13:03:09 -07002105 new_bmcr = 0;
2106 if (bp->req_line_speed == SPEED_100) {
2107 new_bmcr |= BMCR_SPEED100;
2108 }
2109 if (bp->req_duplex == DUPLEX_FULL) {
2110 new_bmcr |= BMCR_FULLDPLX;
2111 }
2112 if (new_bmcr != bmcr) {
2113 u32 bmsr;
Michael Chanb6016b72005-05-26 13:03:09 -07002114
Michael Chanca58c3a2007-05-03 13:22:52 -07002115 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2116 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002117
Michael Chanb6016b72005-05-26 13:03:09 -07002118 if (bmsr & BMSR_LSTATUS) {
2119 /* Force link down */
Michael Chanca58c3a2007-05-03 13:22:52 -07002120 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chana16dda02006-11-19 14:08:56 -08002121 spin_unlock_bh(&bp->phy_lock);
2122 msleep(50);
2123 spin_lock_bh(&bp->phy_lock);
2124
Michael Chanca58c3a2007-05-03 13:22:52 -07002125 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
2126 bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
Michael Chanb6016b72005-05-26 13:03:09 -07002127 }
2128
Michael Chanca58c3a2007-05-03 13:22:52 -07002129 bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07002130
2131 /* Normally, the new speed is setup after the link has
2132 * gone down and up again. In some cases, link will not go
2133 * down so we need to set up the new speed here.
2134 */
2135 if (bmsr & BMSR_LSTATUS) {
2136 bp->line_speed = bp->req_line_speed;
2137 bp->duplex = bp->req_duplex;
2138 bnx2_resolve_flow_ctrl(bp);
2139 bnx2_set_mac_link(bp);
2140 }
Michael Chan27a005b2007-05-03 13:23:41 -07002141 } else {
2142 bnx2_resolve_flow_ctrl(bp);
2143 bnx2_set_mac_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002144 }
2145 return 0;
2146}
2147
2148static int
Michael Chan0d8a6572007-07-07 22:49:43 -07002149bnx2_setup_phy(struct bnx2 *bp, u8 port)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002150__releases(&bp->phy_lock)
2151__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002152{
2153 if (bp->loopback == MAC_LOOPBACK)
2154 return 0;
2155
Michael Chan583c28e2008-01-21 19:51:35 -08002156 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Eric Dumazet807540b2010-09-23 05:40:09 +00002157 return bnx2_setup_serdes_phy(bp, port);
Michael Chanb6016b72005-05-26 13:03:09 -07002158 }
2159 else {
Eric Dumazet807540b2010-09-23 05:40:09 +00002160 return bnx2_setup_copper_phy(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07002161 }
2162}
2163
2164static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002165bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan27a005b2007-05-03 13:23:41 -07002166{
2167 u32 val;
2168
2169 bp->mii_bmcr = MII_BMCR + 0x10;
2170 bp->mii_bmsr = MII_BMSR + 0x10;
2171 bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
2172 bp->mii_adv = MII_ADVERTISE + 0x10;
2173 bp->mii_lpa = MII_LPA + 0x10;
2174 bp->mii_up1 = MII_BNX2_OVER1G_UP1;
2175
2176 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
2177 bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
2178
2179 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
Michael Chan9a120bc2008-05-16 22:17:45 -07002180 if (reset_phy)
2181 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002182
2183 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
2184
2185 bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
2186 val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
2187 val |= MII_BNX2_SD_1000XCTL1_FIBER;
2188 bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
2189
2190 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
2191 bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
Michael Chan583c28e2008-01-21 19:51:35 -08002192 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan27a005b2007-05-03 13:23:41 -07002193 val |= BCM5708S_UP1_2G5;
2194 else
2195 val &= ~BCM5708S_UP1_2G5;
2196 bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
2197
2198 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
2199 bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
2200 val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
2201 bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
2202
2203 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
2204
2205 val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
2206 MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
2207 bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
2208
2209 bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
2210
2211 return 0;
2212}
2213
2214static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002215bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
Michael Chan5b0c76a2005-11-04 08:45:49 -08002216{
2217 u32 val;
2218
Michael Chan9a120bc2008-05-16 22:17:45 -07002219 if (reset_phy)
2220 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002221
2222 bp->mii_up1 = BCM5708S_UP1;
2223
Michael Chan5b0c76a2005-11-04 08:45:49 -08002224 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
2225 bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
2226 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2227
2228 bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
2229 val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
2230 bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
2231
2232 bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
2233 val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
2234 bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
2235
Michael Chan583c28e2008-01-21 19:51:35 -08002236 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002237 bnx2_read_phy(bp, BCM5708S_UP1, &val);
2238 val |= BCM5708S_UP1_2G5;
2239 bnx2_write_phy(bp, BCM5708S_UP1, val);
2240 }
2241
Michael Chan4ce45e02012-12-06 10:33:10 +00002242 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
2243 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
2244 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1)) {
Michael Chan5b0c76a2005-11-04 08:45:49 -08002245 /* increase tx signal amplitude */
2246 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2247 BCM5708S_BLK_ADDR_TX_MISC);
2248 bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
2249 val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
2250 bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
2251 bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
2252 }
2253
Michael Chan2726d6e2008-01-29 21:35:05 -08002254 val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
Michael Chan5b0c76a2005-11-04 08:45:49 -08002255 BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
2256
2257 if (val) {
2258 u32 is_backplane;
2259
Michael Chan2726d6e2008-01-29 21:35:05 -08002260 is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan5b0c76a2005-11-04 08:45:49 -08002261 if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
2262 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2263 BCM5708S_BLK_ADDR_TX_MISC);
2264 bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
2265 bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
2266 BCM5708S_BLK_ADDR_DIG);
2267 }
2268 }
2269 return 0;
2270}
2271
2272static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002273bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002274{
Michael Chan9a120bc2008-05-16 22:17:45 -07002275 if (reset_phy)
2276 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002277
Michael Chan583c28e2008-01-21 19:51:35 -08002278 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chanb6016b72005-05-26 13:03:09 -07002279
Michael Chan4ce45e02012-12-06 10:33:10 +00002280 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chane503e062012-12-06 10:33:08 +00002281 BNX2_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
Michael Chanb6016b72005-05-26 13:03:09 -07002282
2283 if (bp->dev->mtu > 1500) {
2284 u32 val;
2285
2286 /* Set extended packet length bit */
2287 bnx2_write_phy(bp, 0x18, 0x7);
2288 bnx2_read_phy(bp, 0x18, &val);
2289 bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
2290
2291 bnx2_write_phy(bp, 0x1c, 0x6c00);
2292 bnx2_read_phy(bp, 0x1c, &val);
2293 bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
2294 }
2295 else {
2296 u32 val;
2297
2298 bnx2_write_phy(bp, 0x18, 0x7);
2299 bnx2_read_phy(bp, 0x18, &val);
2300 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2301
2302 bnx2_write_phy(bp, 0x1c, 0x6c00);
2303 bnx2_read_phy(bp, 0x1c, &val);
2304 bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
2305 }
2306
2307 return 0;
2308}
2309
2310static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002311bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07002312{
Michael Chan5b0c76a2005-11-04 08:45:49 -08002313 u32 val;
2314
Michael Chan9a120bc2008-05-16 22:17:45 -07002315 if (reset_phy)
2316 bnx2_reset_phy(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07002317
Michael Chan583c28e2008-01-21 19:51:35 -08002318 if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07002319 bnx2_write_phy(bp, 0x18, 0x0c00);
2320 bnx2_write_phy(bp, 0x17, 0x000a);
2321 bnx2_write_phy(bp, 0x15, 0x310b);
2322 bnx2_write_phy(bp, 0x17, 0x201f);
2323 bnx2_write_phy(bp, 0x15, 0x9506);
2324 bnx2_write_phy(bp, 0x17, 0x401f);
2325 bnx2_write_phy(bp, 0x15, 0x14e2);
2326 bnx2_write_phy(bp, 0x18, 0x0400);
2327 }
2328
Michael Chan583c28e2008-01-21 19:51:35 -08002329 if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
Michael Chanb659f442007-02-02 00:46:35 -08002330 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
2331 MII_BNX2_DSP_EXPAND_REG | 0x8);
2332 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
2333 val &= ~(1 << 8);
2334 bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
2335 }
2336
Michael Chanb6016b72005-05-26 13:03:09 -07002337 if (bp->dev->mtu > 1500) {
Michael Chanb6016b72005-05-26 13:03:09 -07002338 /* Set extended packet length bit */
2339 bnx2_write_phy(bp, 0x18, 0x7);
2340 bnx2_read_phy(bp, 0x18, &val);
2341 bnx2_write_phy(bp, 0x18, val | 0x4000);
2342
2343 bnx2_read_phy(bp, 0x10, &val);
2344 bnx2_write_phy(bp, 0x10, val | 0x1);
2345 }
2346 else {
Michael Chanb6016b72005-05-26 13:03:09 -07002347 bnx2_write_phy(bp, 0x18, 0x7);
2348 bnx2_read_phy(bp, 0x18, &val);
2349 bnx2_write_phy(bp, 0x18, val & ~0x4007);
2350
2351 bnx2_read_phy(bp, 0x10, &val);
2352 bnx2_write_phy(bp, 0x10, val & ~0x1);
2353 }
2354
Michael Chan5b0c76a2005-11-04 08:45:49 -08002355 /* ethernet@wirespeed */
Michael Chan41033b62013-12-31 23:22:33 -08002356 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL);
2357 bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val);
2358 val |= AUX_CTL_MISC_CTL_WR | AUX_CTL_MISC_CTL_WIRESPEED;
2359
2360 /* auto-mdix */
2361 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
2362 val |= AUX_CTL_MISC_CTL_AUTOMDIX;
2363
2364 bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002365 return 0;
2366}
2367
2368
2369static int
Michael Chan9a120bc2008-05-16 22:17:45 -07002370bnx2_init_phy(struct bnx2 *bp, int reset_phy)
Harvey Harrison52d07b12009-01-19 17:27:06 -08002371__releases(&bp->phy_lock)
2372__acquires(&bp->phy_lock)
Michael Chanb6016b72005-05-26 13:03:09 -07002373{
2374 u32 val;
2375 int rc = 0;
2376
Michael Chan583c28e2008-01-21 19:51:35 -08002377 bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
2378 bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
Michael Chanb6016b72005-05-26 13:03:09 -07002379
Michael Chanca58c3a2007-05-03 13:22:52 -07002380 bp->mii_bmcr = MII_BMCR;
2381 bp->mii_bmsr = MII_BMSR;
Michael Chan27a005b2007-05-03 13:23:41 -07002382 bp->mii_bmsr1 = MII_BMSR;
Michael Chanca58c3a2007-05-03 13:22:52 -07002383 bp->mii_adv = MII_ADVERTISE;
2384 bp->mii_lpa = MII_LPA;
2385
Michael Chane503e062012-12-06 10:33:08 +00002386 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
Michael Chanb6016b72005-05-26 13:03:09 -07002387
Michael Chan583c28e2008-01-21 19:51:35 -08002388 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07002389 goto setup_phy;
2390
Michael Chanb6016b72005-05-26 13:03:09 -07002391 bnx2_read_phy(bp, MII_PHYSID1, &val);
2392 bp->phy_id = val << 16;
2393 bnx2_read_phy(bp, MII_PHYSID2, &val);
2394 bp->phy_id |= val & 0xffff;
2395
Michael Chan583c28e2008-01-21 19:51:35 -08002396 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan4ce45e02012-12-06 10:33:10 +00002397 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chan9a120bc2008-05-16 22:17:45 -07002398 rc = bnx2_init_5706s_phy(bp, reset_phy);
Michael Chan4ce45e02012-12-06 10:33:10 +00002399 else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
Michael Chan9a120bc2008-05-16 22:17:45 -07002400 rc = bnx2_init_5708s_phy(bp, reset_phy);
Michael Chan4ce45e02012-12-06 10:33:10 +00002401 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan9a120bc2008-05-16 22:17:45 -07002402 rc = bnx2_init_5709s_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002403 }
2404 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07002405 rc = bnx2_init_copper_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07002406 }
2407
Michael Chan0d8a6572007-07-07 22:49:43 -07002408setup_phy:
2409 if (!rc)
2410 rc = bnx2_setup_phy(bp, bp->phy_port);
Michael Chanb6016b72005-05-26 13:03:09 -07002411
2412 return rc;
2413}
2414
2415static int
2416bnx2_set_mac_loopback(struct bnx2 *bp)
2417{
2418 u32 mac_mode;
2419
Michael Chane503e062012-12-06 10:33:08 +00002420 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07002421 mac_mode &= ~BNX2_EMAC_MODE_PORT;
2422 mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
Michael Chane503e062012-12-06 10:33:08 +00002423 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
Michael Chanb6016b72005-05-26 13:03:09 -07002424 bp->link_up = 1;
2425 return 0;
2426}
2427
Michael Chanbc5a0692006-01-23 16:13:22 -08002428static int bnx2_test_link(struct bnx2 *);
2429
2430static int
2431bnx2_set_phy_loopback(struct bnx2 *bp)
2432{
2433 u32 mac_mode;
2434 int rc, i;
2435
2436 spin_lock_bh(&bp->phy_lock);
Michael Chanca58c3a2007-05-03 13:22:52 -07002437 rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
Michael Chanbc5a0692006-01-23 16:13:22 -08002438 BMCR_SPEED1000);
2439 spin_unlock_bh(&bp->phy_lock);
2440 if (rc)
2441 return rc;
2442
2443 for (i = 0; i < 10; i++) {
2444 if (bnx2_test_link(bp) == 0)
2445 break;
Michael Chan80be4432006-11-19 14:07:28 -08002446 msleep(100);
Michael Chanbc5a0692006-01-23 16:13:22 -08002447 }
2448
Michael Chane503e062012-12-06 10:33:08 +00002449 mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002450 mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
2451 BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
Michael Chan59b47d82006-11-19 14:10:45 -08002452 BNX2_EMAC_MODE_25G_MODE);
Michael Chanbc5a0692006-01-23 16:13:22 -08002453
2454 mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
Michael Chane503e062012-12-06 10:33:08 +00002455 BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
Michael Chanbc5a0692006-01-23 16:13:22 -08002456 bp->link_up = 1;
2457 return 0;
2458}
2459
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002460static void
2461bnx2_dump_mcp_state(struct bnx2 *bp)
2462{
2463 struct net_device *dev = bp->dev;
2464 u32 mcp_p0, mcp_p1;
2465
2466 netdev_err(dev, "<--- start MCP states dump --->\n");
Michael Chan4ce45e02012-12-06 10:33:10 +00002467 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002468 mcp_p0 = BNX2_MCP_STATE_P0;
2469 mcp_p1 = BNX2_MCP_STATE_P1;
2470 } else {
2471 mcp_p0 = BNX2_MCP_STATE_P0_5708;
2472 mcp_p1 = BNX2_MCP_STATE_P1_5708;
2473 }
2474 netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
2475 bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
2476 netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n",
2477 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE),
2478 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE),
2479 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK));
2480 netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n",
2481 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2482 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
2483 bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION));
2484 netdev_err(dev, "DEBUG: shmem states:\n");
2485 netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]",
2486 bnx2_shmem_rd(bp, BNX2_DRV_MB),
2487 bnx2_shmem_rd(bp, BNX2_FW_MB),
2488 bnx2_shmem_rd(bp, BNX2_LINK_STATUS));
2489 pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB));
2490 netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]",
2491 bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE),
2492 bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE));
2493 pr_cont(" condition[%08x]\n",
2494 bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION));
Michael Chan13e63512012-06-16 15:45:42 +00002495 DP_SHMEM_LINE(bp, BNX2_BC_RESET_TYPE);
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002496 DP_SHMEM_LINE(bp, 0x3cc);
2497 DP_SHMEM_LINE(bp, 0x3dc);
2498 DP_SHMEM_LINE(bp, 0x3ec);
2499 netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc));
2500 netdev_err(dev, "<--- end MCP states dump --->\n");
2501}
2502
Michael Chanb6016b72005-05-26 13:03:09 -07002503static int
Michael Chana2f13892008-07-14 22:38:23 -07002504bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
Michael Chanb6016b72005-05-26 13:03:09 -07002505{
2506 int i;
2507 u32 val;
2508
Michael Chanb6016b72005-05-26 13:03:09 -07002509 bp->fw_wr_seq++;
2510 msg_data |= bp->fw_wr_seq;
Michael Chana8d9bc22014-03-09 15:45:32 -08002511 bp->fw_last_msg = msg_data;
Michael Chanb6016b72005-05-26 13:03:09 -07002512
Michael Chan2726d6e2008-01-29 21:35:05 -08002513 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Michael Chanb6016b72005-05-26 13:03:09 -07002514
Michael Chana2f13892008-07-14 22:38:23 -07002515 if (!ack)
2516 return 0;
2517
Michael Chanb6016b72005-05-26 13:03:09 -07002518 /* wait for an acknowledgement. */
Michael Chan40105c02008-11-12 16:02:45 -08002519 for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
Michael Chanb090ae22006-01-23 16:07:10 -08002520 msleep(10);
Michael Chanb6016b72005-05-26 13:03:09 -07002521
Michael Chan2726d6e2008-01-29 21:35:05 -08002522 val = bnx2_shmem_rd(bp, BNX2_FW_MB);
Michael Chanb6016b72005-05-26 13:03:09 -07002523
2524 if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
2525 break;
2526 }
Michael Chanb090ae22006-01-23 16:07:10 -08002527 if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
2528 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07002529
2530 /* If we timed out, inform the firmware that this is the case. */
Michael Chanb090ae22006-01-23 16:07:10 -08002531 if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002532 msg_data &= ~BNX2_DRV_MSG_CODE;
2533 msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
2534
Michael Chan2726d6e2008-01-29 21:35:05 -08002535 bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00002536 if (!silent) {
2537 pr_err("fw sync timeout, reset code = %x\n", msg_data);
2538 bnx2_dump_mcp_state(bp);
2539 }
Michael Chanb6016b72005-05-26 13:03:09 -07002540
Michael Chanb6016b72005-05-26 13:03:09 -07002541 return -EBUSY;
2542 }
2543
Michael Chanb090ae22006-01-23 16:07:10 -08002544 if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
2545 return -EIO;
2546
Michael Chanb6016b72005-05-26 13:03:09 -07002547 return 0;
2548}
2549
Michael Chan59b47d82006-11-19 14:10:45 -08002550static int
2551bnx2_init_5709_context(struct bnx2 *bp)
2552{
2553 int i, ret = 0;
2554 u32 val;
2555
2556 val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
Michael Chan2bc40782012-12-06 10:33:09 +00002557 val |= (BNX2_PAGE_BITS - 8) << 16;
Michael Chane503e062012-12-06 10:33:08 +00002558 BNX2_WR(bp, BNX2_CTX_COMMAND, val);
Michael Chan641bdcd2007-06-04 21:22:24 -07002559 for (i = 0; i < 10; i++) {
Michael Chane503e062012-12-06 10:33:08 +00002560 val = BNX2_RD(bp, BNX2_CTX_COMMAND);
Michael Chan641bdcd2007-06-04 21:22:24 -07002561 if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
2562 break;
2563 udelay(2);
2564 }
2565 if (val & BNX2_CTX_COMMAND_MEM_INIT)
2566 return -EBUSY;
2567
Michael Chan59b47d82006-11-19 14:10:45 -08002568 for (i = 0; i < bp->ctx_pages; i++) {
2569 int j;
2570
Michael Chan352f7682008-05-02 16:57:26 -07002571 if (bp->ctx_blk[i])
Michael Chan2bc40782012-12-06 10:33:09 +00002572 memset(bp->ctx_blk[i], 0, BNX2_PAGE_SIZE);
Michael Chan352f7682008-05-02 16:57:26 -07002573 else
2574 return -ENOMEM;
2575
Michael Chane503e062012-12-06 10:33:08 +00002576 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
2577 (bp->ctx_blk_mapping[i] & 0xffffffff) |
2578 BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
2579 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
2580 (u64) bp->ctx_blk_mapping[i] >> 32);
2581 BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
2582 BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
Michael Chan59b47d82006-11-19 14:10:45 -08002583 for (j = 0; j < 10; j++) {
2584
Michael Chane503e062012-12-06 10:33:08 +00002585 val = BNX2_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
Michael Chan59b47d82006-11-19 14:10:45 -08002586 if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
2587 break;
2588 udelay(5);
2589 }
2590 if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
2591 ret = -EBUSY;
2592 break;
2593 }
2594 }
2595 return ret;
2596}
2597
Michael Chanb6016b72005-05-26 13:03:09 -07002598static void
2599bnx2_init_context(struct bnx2 *bp)
2600{
2601 u32 vcid;
2602
2603 vcid = 96;
2604 while (vcid) {
2605 u32 vcid_addr, pcid_addr, offset;
Michael Chan7947b202007-06-04 21:17:10 -07002606 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07002607
2608 vcid--;
2609
Michael Chan4ce45e02012-12-06 10:33:10 +00002610 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chanb6016b72005-05-26 13:03:09 -07002611 u32 new_vcid;
2612
2613 vcid_addr = GET_PCID_ADDR(vcid);
2614 if (vcid & 0x8) {
2615 new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
2616 }
2617 else {
2618 new_vcid = vcid;
2619 }
2620 pcid_addr = GET_PCID_ADDR(new_vcid);
2621 }
2622 else {
2623 vcid_addr = GET_CID_ADDR(vcid);
2624 pcid_addr = vcid_addr;
2625 }
2626
Michael Chan7947b202007-06-04 21:17:10 -07002627 for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
2628 vcid_addr += (i << PHY_CTX_SHIFT);
2629 pcid_addr += (i << PHY_CTX_SHIFT);
Michael Chanb6016b72005-05-26 13:03:09 -07002630
Michael Chane503e062012-12-06 10:33:08 +00002631 BNX2_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
2632 BNX2_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
Michael Chan7947b202007-06-04 21:17:10 -07002633
2634 /* Zero out the context. */
2635 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
Michael Chan62a83132008-01-29 21:35:40 -08002636 bnx2_ctx_wr(bp, vcid_addr, offset, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07002637 }
Michael Chanb6016b72005-05-26 13:03:09 -07002638 }
2639}
2640
2641static int
2642bnx2_alloc_bad_rbuf(struct bnx2 *bp)
2643{
2644 u16 *good_mbuf;
2645 u32 good_mbuf_cnt;
2646 u32 val;
2647
2648 good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
Joe Perchese404dec2012-01-29 12:56:23 +00002649 if (good_mbuf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07002650 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07002651
Michael Chane503e062012-12-06 10:33:08 +00002652 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
Michael Chanb6016b72005-05-26 13:03:09 -07002653 BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
2654
2655 good_mbuf_cnt = 0;
2656
2657 /* Allocate a bunch of mbufs and save the good ones in an array. */
Michael Chan2726d6e2008-01-29 21:35:05 -08002658 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002659 while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
Michael Chan2726d6e2008-01-29 21:35:05 -08002660 bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
2661 BNX2_RBUF_COMMAND_ALLOC_REQ);
Michael Chanb6016b72005-05-26 13:03:09 -07002662
Michael Chan2726d6e2008-01-29 21:35:05 -08002663 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
Michael Chanb6016b72005-05-26 13:03:09 -07002664
2665 val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
2666
2667 /* The addresses with Bit 9 set are bad memory blocks. */
2668 if (!(val & (1 << 9))) {
2669 good_mbuf[good_mbuf_cnt] = (u16) val;
2670 good_mbuf_cnt++;
2671 }
2672
Michael Chan2726d6e2008-01-29 21:35:05 -08002673 val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
Michael Chanb6016b72005-05-26 13:03:09 -07002674 }
2675
2676 /* Free the good ones back to the mbuf pool thus discarding
2677 * all the bad ones. */
2678 while (good_mbuf_cnt) {
2679 good_mbuf_cnt--;
2680
2681 val = good_mbuf[good_mbuf_cnt];
2682 val = (val << 9) | val | 1;
2683
Michael Chan2726d6e2008-01-29 21:35:05 -08002684 bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07002685 }
2686 kfree(good_mbuf);
2687 return 0;
2688}
2689
2690static void
Benjamin Li5fcaed02008-07-14 22:39:52 -07002691bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
Michael Chanb6016b72005-05-26 13:03:09 -07002692{
2693 u32 val;
Michael Chanb6016b72005-05-26 13:03:09 -07002694
2695 val = (mac_addr[0] << 8) | mac_addr[1];
2696
Michael Chane503e062012-12-06 10:33:08 +00002697 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002698
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002699 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
Michael Chanb6016b72005-05-26 13:03:09 -07002700 (mac_addr[4] << 8) | mac_addr[5];
2701
Michael Chane503e062012-12-06 10:33:08 +00002702 BNX2_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
Michael Chanb6016b72005-05-26 13:03:09 -07002703}
2704
2705static inline int
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002706bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chan47bf4242007-12-12 11:19:12 -08002707{
2708 dma_addr_t mapping;
Michael Chan2bc40782012-12-06 10:33:09 +00002709 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
2710 struct bnx2_rx_bd *rxbd =
2711 &rxr->rx_pg_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00002712 struct page *page = alloc_page(gfp);
Michael Chan47bf4242007-12-12 11:19:12 -08002713
2714 if (!page)
2715 return -ENOMEM;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002716 mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
Michael Chan47bf4242007-12-12 11:19:12 -08002717 PCI_DMA_FROMDEVICE);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002718 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07002719 __free_page(page);
2720 return -EIO;
2721 }
2722
Michael Chan47bf4242007-12-12 11:19:12 -08002723 rx_pg->page = page;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002724 dma_unmap_addr_set(rx_pg, mapping, mapping);
Michael Chan47bf4242007-12-12 11:19:12 -08002725 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2726 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2727 return 0;
2728}
2729
2730static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002731bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
Michael Chan47bf4242007-12-12 11:19:12 -08002732{
Michael Chan2bc40782012-12-06 10:33:09 +00002733 struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
Michael Chan47bf4242007-12-12 11:19:12 -08002734 struct page *page = rx_pg->page;
2735
2736 if (!page)
2737 return;
2738
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002739 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
2740 PAGE_SIZE, PCI_DMA_FROMDEVICE);
Michael Chan47bf4242007-12-12 11:19:12 -08002741
2742 __free_page(page);
2743 rx_pg->page = NULL;
2744}
2745
2746static inline int
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002747bnx2_alloc_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
Michael Chanb6016b72005-05-26 13:03:09 -07002748{
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002749 u8 *data;
Michael Chan2bc40782012-12-06 10:33:09 +00002750 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[index];
Michael Chanb6016b72005-05-26 13:03:09 -07002751 dma_addr_t mapping;
Michael Chan2bc40782012-12-06 10:33:09 +00002752 struct bnx2_rx_bd *rxbd =
2753 &rxr->rx_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
Michael Chanb6016b72005-05-26 13:03:09 -07002754
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002755 data = kmalloc(bp->rx_buf_size, gfp);
2756 if (!data)
Michael Chanb6016b72005-05-26 13:03:09 -07002757 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07002758
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002759 mapping = dma_map_single(&bp->pdev->dev,
2760 get_l2_fhdr(data),
2761 bp->rx_buf_use_size,
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002762 PCI_DMA_FROMDEVICE);
2763 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002764 kfree(data);
Benjamin Li3d16af82008-10-09 12:26:41 -07002765 return -EIO;
2766 }
Michael Chanb6016b72005-05-26 13:03:09 -07002767
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002768 rx_buf->data = data;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002769 dma_unmap_addr_set(rx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07002770
2771 rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
2772 rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
2773
Michael Chanbb4f98a2008-06-19 16:38:19 -07002774 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chanb6016b72005-05-26 13:03:09 -07002775
2776 return 0;
2777}
2778
Michael Chanda3e4fb2007-05-03 13:24:23 -07002779static int
Michael Chan35efa7c2007-12-20 19:56:37 -08002780bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
Michael Chanda3e4fb2007-05-03 13:24:23 -07002781{
Michael Chan43e80b82008-06-19 16:41:08 -07002782 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07002783 u32 new_link_state, old_link_state;
2784 int is_set = 1;
2785
2786 new_link_state = sblk->status_attn_bits & event;
2787 old_link_state = sblk->status_attn_bits_ack & event;
2788 if (new_link_state != old_link_state) {
2789 if (new_link_state)
Michael Chane503e062012-12-06 10:33:08 +00002790 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
Michael Chanda3e4fb2007-05-03 13:24:23 -07002791 else
Michael Chane503e062012-12-06 10:33:08 +00002792 BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
Michael Chanda3e4fb2007-05-03 13:24:23 -07002793 } else
2794 is_set = 0;
2795
2796 return is_set;
2797}
2798
Michael Chanb6016b72005-05-26 13:03:09 -07002799static void
Michael Chan35efa7c2007-12-20 19:56:37 -08002800bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07002801{
Michael Chan74ecc622008-05-02 16:56:16 -07002802 spin_lock(&bp->phy_lock);
2803
2804 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
Michael Chanb6016b72005-05-26 13:03:09 -07002805 bnx2_set_link(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08002806 if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
Michael Chan0d8a6572007-07-07 22:49:43 -07002807 bnx2_set_remote_link(bp);
2808
Michael Chan74ecc622008-05-02 16:56:16 -07002809 spin_unlock(&bp->phy_lock);
2810
Michael Chanb6016b72005-05-26 13:03:09 -07002811}
2812
Michael Chanead72702007-12-20 19:55:39 -08002813static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08002814bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
Michael Chanead72702007-12-20 19:55:39 -08002815{
2816 u16 cons;
2817
Michael Chan43e80b82008-06-19 16:41:08 -07002818 /* Tell compiler that status block fields can change. */
2819 barrier();
2820 cons = *bnapi->hw_tx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07002821 barrier();
Michael Chan2bc40782012-12-06 10:33:09 +00002822 if (unlikely((cons & BNX2_MAX_TX_DESC_CNT) == BNX2_MAX_TX_DESC_CNT))
Michael Chanead72702007-12-20 19:55:39 -08002823 cons++;
2824 return cons;
2825}
2826
Michael Chan57851d82007-12-20 20:01:44 -08002827static int
2828bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07002829{
Michael Chan35e90102008-06-19 16:37:42 -07002830 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07002831 u16 hw_cons, sw_cons, sw_ring_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002832 int tx_pkt = 0, index;
Eric Dumazete9831902011-11-29 11:53:05 +00002833 unsigned int tx_bytes = 0;
Benjamin Li706bf242008-07-18 17:55:11 -07002834 struct netdev_queue *txq;
2835
2836 index = (bnapi - bp->bnx2_napi);
2837 txq = netdev_get_tx_queue(bp->dev, index);
Michael Chanb6016b72005-05-26 13:03:09 -07002838
Michael Chan35efa7c2007-12-20 19:56:37 -08002839 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chan35e90102008-06-19 16:37:42 -07002840 sw_cons = txr->tx_cons;
Michael Chanb6016b72005-05-26 13:03:09 -07002841
2842 while (sw_cons != hw_cons) {
Michael Chan2bc40782012-12-06 10:33:09 +00002843 struct bnx2_sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07002844 struct sk_buff *skb;
2845 int i, last;
2846
Michael Chan2bc40782012-12-06 10:33:09 +00002847 sw_ring_cons = BNX2_TX_RING_IDX(sw_cons);
Michael Chanb6016b72005-05-26 13:03:09 -07002848
Michael Chan35e90102008-06-19 16:37:42 -07002849 tx_buf = &txr->tx_buf_ring[sw_ring_cons];
Michael Chanb6016b72005-05-26 13:03:09 -07002850 skb = tx_buf->skb;
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002851
Eric Dumazetd62fda02009-05-12 20:48:02 +00002852 /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
2853 prefetch(&skb->end);
2854
Michael Chanb6016b72005-05-26 13:03:09 -07002855 /* partial BD completions possible with TSO packets */
Eric Dumazetd62fda02009-05-12 20:48:02 +00002856 if (tx_buf->is_gso) {
Michael Chanb6016b72005-05-26 13:03:09 -07002857 u16 last_idx, last_ring_idx;
2858
Eric Dumazetd62fda02009-05-12 20:48:02 +00002859 last_idx = sw_cons + tx_buf->nr_frags + 1;
2860 last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
Michael Chan2bc40782012-12-06 10:33:09 +00002861 if (unlikely(last_ring_idx >= BNX2_MAX_TX_DESC_CNT)) {
Michael Chanb6016b72005-05-26 13:03:09 -07002862 last_idx++;
2863 }
2864 if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
2865 break;
2866 }
2867 }
Arjan van de Ven1d39ed52006-12-12 14:06:23 +01002868
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002869 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00002870 skb_headlen(skb), PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002871
2872 tx_buf->skb = NULL;
Eric Dumazetd62fda02009-05-12 20:48:02 +00002873 last = tx_buf->nr_frags;
Michael Chanb6016b72005-05-26 13:03:09 -07002874
2875 for (i = 0; i < last; i++) {
Michael Chan2bc40782012-12-06 10:33:09 +00002876 struct bnx2_sw_tx_bd *tx_buf;
Alexander Duycke95524a2009-12-02 16:47:57 +00002877
Michael Chan2bc40782012-12-06 10:33:09 +00002878 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
2879
2880 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(sw_cons)];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002881 dma_unmap_page(&bp->pdev->dev,
Michael Chan2bc40782012-12-06 10:33:09 +00002882 dma_unmap_addr(tx_buf, mapping),
Eric Dumazet9e903e02011-10-18 21:00:24 +00002883 skb_frag_size(&skb_shinfo(skb)->frags[i]),
Alexander Duycke95524a2009-12-02 16:47:57 +00002884 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002885 }
2886
Michael Chan2bc40782012-12-06 10:33:09 +00002887 sw_cons = BNX2_NEXT_TX_BD(sw_cons);
Michael Chanb6016b72005-05-26 13:03:09 -07002888
Eric Dumazete9831902011-11-29 11:53:05 +00002889 tx_bytes += skb->len;
Eric W. Biedermanf458b2e2014-03-11 14:17:41 -07002890 dev_kfree_skb_any(skb);
Michael Chan57851d82007-12-20 20:01:44 -08002891 tx_pkt++;
2892 if (tx_pkt == budget)
2893 break;
Michael Chanb6016b72005-05-26 13:03:09 -07002894
Eric Dumazetd62fda02009-05-12 20:48:02 +00002895 if (hw_cons == sw_cons)
2896 hw_cons = bnx2_get_hw_tx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07002897 }
2898
Eric Dumazete9831902011-11-29 11:53:05 +00002899 netdev_tx_completed_queue(txq, tx_pkt, tx_bytes);
Michael Chan35e90102008-06-19 16:37:42 -07002900 txr->hw_tx_cons = hw_cons;
2901 txr->tx_cons = sw_cons;
Benjamin Li706bf242008-07-18 17:55:11 -07002902
Michael Chan2f8af122006-08-15 01:39:10 -07002903 /* Need to make the tx_cons update visible to bnx2_start_xmit()
Benjamin Li706bf242008-07-18 17:55:11 -07002904 * before checking for netif_tx_queue_stopped(). Without the
Michael Chan2f8af122006-08-15 01:39:10 -07002905 * memory barrier, there is a small possibility that bnx2_start_xmit()
2906 * will miss it and cause the queue to be stopped forever.
2907 */
2908 smp_mb();
Michael Chanb6016b72005-05-26 13:03:09 -07002909
Benjamin Li706bf242008-07-18 17:55:11 -07002910 if (unlikely(netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002911 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
Benjamin Li706bf242008-07-18 17:55:11 -07002912 __netif_tx_lock(txq, smp_processor_id());
2913 if ((netif_tx_queue_stopped(txq)) &&
Michael Chan35e90102008-06-19 16:37:42 -07002914 (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
Benjamin Li706bf242008-07-18 17:55:11 -07002915 netif_tx_wake_queue(txq);
2916 __netif_tx_unlock(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07002917 }
Benjamin Li706bf242008-07-18 17:55:11 -07002918
Michael Chan57851d82007-12-20 20:01:44 -08002919 return tx_pkt;
Michael Chanb6016b72005-05-26 13:03:09 -07002920}
2921
Michael Chan1db82f22007-12-12 11:19:35 -08002922static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07002923bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
Michael Chana1f60192007-12-20 19:57:19 -08002924 struct sk_buff *skb, int count)
Michael Chan1db82f22007-12-12 11:19:35 -08002925{
Michael Chan2bc40782012-12-06 10:33:09 +00002926 struct bnx2_sw_pg *cons_rx_pg, *prod_rx_pg;
2927 struct bnx2_rx_bd *cons_bd, *prod_bd;
Michael Chan1db82f22007-12-12 11:19:35 -08002928 int i;
Benjamin Li3d16af82008-10-09 12:26:41 -07002929 u16 hw_prod, prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07002930 u16 cons = rxr->rx_pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002931
Benjamin Li3d16af82008-10-09 12:26:41 -07002932 cons_rx_pg = &rxr->rx_pg_ring[cons];
2933
2934 /* The caller was unable to allocate a new page to replace the
2935 * last one in the frags array, so we need to recycle that page
2936 * and then free the skb.
2937 */
2938 if (skb) {
2939 struct page *page;
2940 struct skb_shared_info *shinfo;
2941
2942 shinfo = skb_shinfo(skb);
2943 shinfo->nr_frags--;
Ian Campbellb7b6a682011-08-24 22:28:12 +00002944 page = skb_frag_page(&shinfo->frags[shinfo->nr_frags]);
2945 __skb_frag_set_page(&shinfo->frags[shinfo->nr_frags], NULL);
Benjamin Li3d16af82008-10-09 12:26:41 -07002946
2947 cons_rx_pg->page = page;
2948 dev_kfree_skb(skb);
2949 }
2950
2951 hw_prod = rxr->rx_pg_prod;
2952
Michael Chan1db82f22007-12-12 11:19:35 -08002953 for (i = 0; i < count; i++) {
Michael Chan2bc40782012-12-06 10:33:09 +00002954 prod = BNX2_RX_PG_RING_IDX(hw_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002955
Michael Chanbb4f98a2008-06-19 16:38:19 -07002956 prod_rx_pg = &rxr->rx_pg_ring[prod];
2957 cons_rx_pg = &rxr->rx_pg_ring[cons];
Michael Chan2bc40782012-12-06 10:33:09 +00002958 cons_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(cons)]
2959 [BNX2_RX_IDX(cons)];
2960 prod_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(prod)]
2961 [BNX2_RX_IDX(prod)];
Michael Chan1db82f22007-12-12 11:19:35 -08002962
Michael Chan1db82f22007-12-12 11:19:35 -08002963 if (prod != cons) {
2964 prod_rx_pg->page = cons_rx_pg->page;
2965 cons_rx_pg->page = NULL;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002966 dma_unmap_addr_set(prod_rx_pg, mapping,
2967 dma_unmap_addr(cons_rx_pg, mapping));
Michael Chan1db82f22007-12-12 11:19:35 -08002968
2969 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
2970 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
2971
2972 }
Michael Chan2bc40782012-12-06 10:33:09 +00002973 cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(cons));
2974 hw_prod = BNX2_NEXT_RX_BD(hw_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08002975 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07002976 rxr->rx_pg_prod = hw_prod;
2977 rxr->rx_pg_cons = cons;
Michael Chan1db82f22007-12-12 11:19:35 -08002978}
2979
Michael Chanb6016b72005-05-26 13:03:09 -07002980static inline void
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002981bnx2_reuse_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
2982 u8 *data, u16 cons, u16 prod)
Michael Chanb6016b72005-05-26 13:03:09 -07002983{
Michael Chan2bc40782012-12-06 10:33:09 +00002984 struct bnx2_sw_bd *cons_rx_buf, *prod_rx_buf;
2985 struct bnx2_rx_bd *cons_bd, *prod_bd;
Michael Chan236b6392006-03-20 17:49:02 -08002986
Michael Chanbb4f98a2008-06-19 16:38:19 -07002987 cons_rx_buf = &rxr->rx_buf_ring[cons];
2988 prod_rx_buf = &rxr->rx_buf_ring[prod];
Michael Chanb6016b72005-05-26 13:03:09 -07002989
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00002990 dma_sync_single_for_device(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00002991 dma_unmap_addr(cons_rx_buf, mapping),
Benjamin Li601d3d12008-05-16 22:19:35 -07002992 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07002993
Michael Chanbb4f98a2008-06-19 16:38:19 -07002994 rxr->rx_prod_bseq += bp->rx_buf_use_size;
Michael Chan236b6392006-03-20 17:49:02 -08002995
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00002996 prod_rx_buf->data = data;
Michael Chan236b6392006-03-20 17:49:02 -08002997
2998 if (cons == prod)
2999 return;
3000
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003001 dma_unmap_addr_set(prod_rx_buf, mapping,
3002 dma_unmap_addr(cons_rx_buf, mapping));
Michael Chanb6016b72005-05-26 13:03:09 -07003003
Michael Chan2bc40782012-12-06 10:33:09 +00003004 cons_bd = &rxr->rx_desc_ring[BNX2_RX_RING(cons)][BNX2_RX_IDX(cons)];
3005 prod_bd = &rxr->rx_desc_ring[BNX2_RX_RING(prod)][BNX2_RX_IDX(prod)];
Michael Chan236b6392006-03-20 17:49:02 -08003006 prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
3007 prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
Michael Chanb6016b72005-05-26 13:03:09 -07003008}
3009
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003010static struct sk_buff *
3011bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u8 *data,
Michael Chana1f60192007-12-20 19:57:19 -08003012 unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
3013 u32 ring_idx)
Michael Chan85833c62007-12-12 11:17:01 -08003014{
3015 int err;
3016 u16 prod = ring_idx & 0xffff;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003017 struct sk_buff *skb;
Michael Chan85833c62007-12-12 11:17:01 -08003018
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003019 err = bnx2_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
Michael Chan85833c62007-12-12 11:17:01 -08003020 if (unlikely(err)) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003021 bnx2_reuse_rx_data(bp, rxr, data, (u16) (ring_idx >> 16), prod);
3022error:
Michael Chan1db82f22007-12-12 11:19:35 -08003023 if (hdr_len) {
3024 unsigned int raw_len = len + 4;
3025 int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
3026
Michael Chanbb4f98a2008-06-19 16:38:19 -07003027 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
Michael Chan1db82f22007-12-12 11:19:35 -08003028 }
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003029 return NULL;
Michael Chan85833c62007-12-12 11:17:01 -08003030 }
3031
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003032 dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
Michael Chan85833c62007-12-12 11:17:01 -08003033 PCI_DMA_FROMDEVICE);
Eric Dumazetd3836f22012-04-27 00:33:38 +00003034 skb = build_skb(data, 0);
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003035 if (!skb) {
3036 kfree(data);
3037 goto error;
3038 }
3039 skb_reserve(skb, ((u8 *)get_l2_fhdr(data) - data) + BNX2_RX_OFFSET);
Michael Chan1db82f22007-12-12 11:19:35 -08003040 if (hdr_len == 0) {
3041 skb_put(skb, len);
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003042 return skb;
Michael Chan1db82f22007-12-12 11:19:35 -08003043 } else {
3044 unsigned int i, frag_len, frag_size, pages;
Michael Chan2bc40782012-12-06 10:33:09 +00003045 struct bnx2_sw_pg *rx_pg;
Michael Chanbb4f98a2008-06-19 16:38:19 -07003046 u16 pg_cons = rxr->rx_pg_cons;
3047 u16 pg_prod = rxr->rx_pg_prod;
Michael Chan1db82f22007-12-12 11:19:35 -08003048
3049 frag_size = len + 4 - hdr_len;
3050 pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
3051 skb_put(skb, hdr_len);
3052
3053 for (i = 0; i < pages; i++) {
Benjamin Li3d16af82008-10-09 12:26:41 -07003054 dma_addr_t mapping_old;
3055
Michael Chan1db82f22007-12-12 11:19:35 -08003056 frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
3057 if (unlikely(frag_len <= 4)) {
3058 unsigned int tail = 4 - frag_len;
3059
Michael Chanbb4f98a2008-06-19 16:38:19 -07003060 rxr->rx_pg_cons = pg_cons;
3061 rxr->rx_pg_prod = pg_prod;
3062 bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
Michael Chana1f60192007-12-20 19:57:19 -08003063 pages - i);
Michael Chan1db82f22007-12-12 11:19:35 -08003064 skb->len -= tail;
3065 if (i == 0) {
3066 skb->tail -= tail;
3067 } else {
3068 skb_frag_t *frag =
3069 &skb_shinfo(skb)->frags[i - 1];
Eric Dumazet9e903e02011-10-18 21:00:24 +00003070 skb_frag_size_sub(frag, tail);
Michael Chan1db82f22007-12-12 11:19:35 -08003071 skb->data_len -= tail;
Michael Chan1db82f22007-12-12 11:19:35 -08003072 }
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003073 return skb;
Michael Chan1db82f22007-12-12 11:19:35 -08003074 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003075 rx_pg = &rxr->rx_pg_ring[pg_cons];
Michael Chan1db82f22007-12-12 11:19:35 -08003076
Benjamin Li3d16af82008-10-09 12:26:41 -07003077 /* Don't unmap yet. If we're unable to allocate a new
3078 * page, we need to recycle the page and the DMA addr.
3079 */
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003080 mapping_old = dma_unmap_addr(rx_pg, mapping);
Michael Chan1db82f22007-12-12 11:19:35 -08003081 if (i == pages - 1)
3082 frag_len -= 4;
3083
3084 skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
3085 rx_pg->page = NULL;
3086
Michael Chanbb4f98a2008-06-19 16:38:19 -07003087 err = bnx2_alloc_rx_page(bp, rxr,
Michael Chan2bc40782012-12-06 10:33:09 +00003088 BNX2_RX_PG_RING_IDX(pg_prod),
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00003089 GFP_ATOMIC);
Michael Chan1db82f22007-12-12 11:19:35 -08003090 if (unlikely(err)) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07003091 rxr->rx_pg_cons = pg_cons;
3092 rxr->rx_pg_prod = pg_prod;
3093 bnx2_reuse_rx_skb_pages(bp, rxr, skb,
Michael Chana1f60192007-12-20 19:57:19 -08003094 pages - i);
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003095 return NULL;
Michael Chan1db82f22007-12-12 11:19:35 -08003096 }
3097
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003098 dma_unmap_page(&bp->pdev->dev, mapping_old,
Benjamin Li3d16af82008-10-09 12:26:41 -07003099 PAGE_SIZE, PCI_DMA_FROMDEVICE);
3100
Michael Chan1db82f22007-12-12 11:19:35 -08003101 frag_size -= frag_len;
3102 skb->data_len += frag_len;
Eric Dumazeta1f4e8b2011-10-13 07:50:19 +00003103 skb->truesize += PAGE_SIZE;
Michael Chan1db82f22007-12-12 11:19:35 -08003104 skb->len += frag_len;
3105
Michael Chan2bc40782012-12-06 10:33:09 +00003106 pg_prod = BNX2_NEXT_RX_BD(pg_prod);
3107 pg_cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(pg_cons));
Michael Chan1db82f22007-12-12 11:19:35 -08003108 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003109 rxr->rx_pg_prod = pg_prod;
3110 rxr->rx_pg_cons = pg_cons;
Michael Chan1db82f22007-12-12 11:19:35 -08003111 }
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003112 return skb;
Michael Chan85833c62007-12-12 11:17:01 -08003113}
3114
Michael Chanc09c2622007-12-10 17:18:37 -08003115static inline u16
Michael Chan35efa7c2007-12-20 19:56:37 -08003116bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
Michael Chanc09c2622007-12-10 17:18:37 -08003117{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003118 u16 cons;
3119
Michael Chan43e80b82008-06-19 16:41:08 -07003120 /* Tell compiler that status block fields can change. */
3121 barrier();
3122 cons = *bnapi->hw_rx_cons_ptr;
Michael Chan581daf72009-05-06 16:46:47 -07003123 barrier();
Michael Chan2bc40782012-12-06 10:33:09 +00003124 if (unlikely((cons & BNX2_MAX_RX_DESC_CNT) == BNX2_MAX_RX_DESC_CNT))
Michael Chanc09c2622007-12-10 17:18:37 -08003125 cons++;
3126 return cons;
3127}
3128
Michael Chanb6016b72005-05-26 13:03:09 -07003129static int
Michael Chan35efa7c2007-12-20 19:56:37 -08003130bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
Michael Chanb6016b72005-05-26 13:03:09 -07003131{
Michael Chanbb4f98a2008-06-19 16:38:19 -07003132 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003133 u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
3134 struct l2_fhdr *rx_hdr;
Michael Chan1db82f22007-12-12 11:19:35 -08003135 int rx_pkt = 0, pg_ring_used = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003136
Eric W. Biederman310c4d42014-03-11 14:31:09 -07003137 if (budget <= 0)
3138 return rx_pkt;
3139
Michael Chan35efa7c2007-12-20 19:56:37 -08003140 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanbb4f98a2008-06-19 16:38:19 -07003141 sw_cons = rxr->rx_cons;
3142 sw_prod = rxr->rx_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003143
3144 /* Memory barrier necessary as speculative reads of the rx
3145 * buffer can be ahead of the index in the status block
3146 */
3147 rmb();
3148 while (sw_cons != hw_cons) {
Michael Chan1db82f22007-12-12 11:19:35 -08003149 unsigned int len, hdr_len;
Michael Chanade2bfe2006-01-23 16:09:51 -08003150 u32 status;
Michael Chan2bc40782012-12-06 10:33:09 +00003151 struct bnx2_sw_bd *rx_buf, *next_rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07003152 struct sk_buff *skb;
Michael Chan236b6392006-03-20 17:49:02 -08003153 dma_addr_t dma_addr;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003154 u8 *data;
Michael Chan2bc40782012-12-06 10:33:09 +00003155 u16 next_ring_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07003156
Michael Chan2bc40782012-12-06 10:33:09 +00003157 sw_ring_cons = BNX2_RX_RING_IDX(sw_cons);
3158 sw_ring_prod = BNX2_RX_RING_IDX(sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003159
Michael Chanbb4f98a2008-06-19 16:38:19 -07003160 rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003161 data = rx_buf->data;
3162 rx_buf->data = NULL;
Michael Chan236b6392006-03-20 17:49:02 -08003163
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003164 rx_hdr = get_l2_fhdr(data);
3165 prefetch(rx_hdr);
Michael Chan236b6392006-03-20 17:49:02 -08003166
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00003167 dma_addr = dma_unmap_addr(rx_buf, mapping);
Michael Chan236b6392006-03-20 17:49:02 -08003168
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00003169 dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
Benjamin Li601d3d12008-05-16 22:19:35 -07003170 BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
3171 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07003172
Michael Chan2bc40782012-12-06 10:33:09 +00003173 next_ring_idx = BNX2_RX_RING_IDX(BNX2_NEXT_RX_BD(sw_cons));
3174 next_rx_buf = &rxr->rx_buf_ring[next_ring_idx];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003175 prefetch(get_l2_fhdr(next_rx_buf->data));
3176
Michael Chan1db82f22007-12-12 11:19:35 -08003177 len = rx_hdr->l2_fhdr_pkt_len;
Michael Chan990ec382009-02-12 16:54:13 -08003178 status = rx_hdr->l2_fhdr_status;
Michael Chanb6016b72005-05-26 13:03:09 -07003179
Michael Chan1db82f22007-12-12 11:19:35 -08003180 hdr_len = 0;
3181 if (status & L2_FHDR_STATUS_SPLIT) {
3182 hdr_len = rx_hdr->l2_fhdr_ip_xsum;
3183 pg_ring_used = 1;
3184 } else if (len > bp->rx_jumbo_thresh) {
3185 hdr_len = bp->rx_jumbo_thresh;
3186 pg_ring_used = 1;
3187 }
3188
Michael Chan990ec382009-02-12 16:54:13 -08003189 if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
3190 L2_FHDR_ERRORS_PHY_DECODE |
3191 L2_FHDR_ERRORS_ALIGNMENT |
3192 L2_FHDR_ERRORS_TOO_SHORT |
3193 L2_FHDR_ERRORS_GIANT_FRAME))) {
3194
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003195 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
Michael Chan990ec382009-02-12 16:54:13 -08003196 sw_ring_prod);
3197 if (pg_ring_used) {
3198 int pages;
3199
3200 pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
3201
3202 bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
3203 }
3204 goto next_rx;
3205 }
3206
Michael Chan1db82f22007-12-12 11:19:35 -08003207 len -= 4;
Michael Chanb6016b72005-05-26 13:03:09 -07003208
Michael Chan5d5d0012007-12-12 11:17:43 -08003209 if (len <= bp->rx_copy_thresh) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003210 skb = netdev_alloc_skb(bp->dev, len + 6);
3211 if (skb == NULL) {
3212 bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
Michael Chan85833c62007-12-12 11:17:01 -08003213 sw_ring_prod);
3214 goto next_rx;
3215 }
Michael Chanb6016b72005-05-26 13:03:09 -07003216
3217 /* aligned copy */
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003218 memcpy(skb->data,
3219 (u8 *)rx_hdr + BNX2_RX_OFFSET - 6,
3220 len + 6);
3221 skb_reserve(skb, 6);
3222 skb_put(skb, len);
Michael Chanb6016b72005-05-26 13:03:09 -07003223
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003224 bnx2_reuse_rx_data(bp, rxr, data,
Michael Chanb6016b72005-05-26 13:03:09 -07003225 sw_ring_cons, sw_ring_prod);
3226
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00003227 } else {
3228 skb = bnx2_rx_skb(bp, rxr, data, len, hdr_len, dma_addr,
3229 (sw_ring_cons << 16) | sw_ring_prod);
3230 if (!skb)
3231 goto next_rx;
3232 }
Michael Chanf22828e2008-08-14 15:30:14 -07003233 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
Jesse Gross7d0fd212010-10-20 13:56:09 +00003234 !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
Patrick McHardy86a9bad2013-04-19 02:04:30 +00003235 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rx_hdr->l2_fhdr_vlan_tag);
Michael Chanf22828e2008-08-14 15:30:14 -07003236
Michael Chanb6016b72005-05-26 13:03:09 -07003237 skb->protocol = eth_type_trans(skb, bp->dev);
3238
Vlad Yasevich1b0ecb22014-09-30 19:39:37 -04003239 if (len > (bp->dev->mtu + ETH_HLEN) &&
3240 skb->protocol != htons(0x8100) &&
3241 skb->protocol != htons(ETH_P_8021AD)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003242
Michael Chan745720e2006-06-29 12:37:41 -07003243 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003244 goto next_rx;
3245
3246 }
3247
Eric Dumazetbc8acf22010-09-02 13:07:41 -07003248 skb_checksum_none_assert(skb);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00003249 if ((bp->dev->features & NETIF_F_RXCSUM) &&
Michael Chanb6016b72005-05-26 13:03:09 -07003250 (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3251 L2_FHDR_STATUS_UDP_DATAGRAM))) {
3252
Michael Chanade2bfe2006-01-23 16:09:51 -08003253 if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
3254 L2_FHDR_ERRORS_UDP_XSUM)) == 0))
Michael Chanb6016b72005-05-26 13:03:09 -07003255 skb->ip_summed = CHECKSUM_UNNECESSARY;
3256 }
Michael Chanfdc85412010-07-03 20:42:16 +00003257 if ((bp->dev->features & NETIF_F_RXHASH) &&
3258 ((status & L2_FHDR_STATUS_USE_RXHASH) ==
3259 L2_FHDR_STATUS_USE_RXHASH))
Tom Herbertcf1bfd62013-12-17 23:22:57 -08003260 skb_set_hash(skb, rx_hdr->l2_fhdr_hash,
3261 PKT_HASH_TYPE_L3);
Michael Chanb6016b72005-05-26 13:03:09 -07003262
David S. Miller0c8dfc82009-01-27 16:22:32 -08003263 skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
Jesse Gross7d0fd212010-10-20 13:56:09 +00003264 napi_gro_receive(&bnapi->napi, skb);
Michael Chanb6016b72005-05-26 13:03:09 -07003265 rx_pkt++;
3266
3267next_rx:
Michael Chan2bc40782012-12-06 10:33:09 +00003268 sw_cons = BNX2_NEXT_RX_BD(sw_cons);
3269 sw_prod = BNX2_NEXT_RX_BD(sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003270
3271 if ((rx_pkt == budget))
3272 break;
Michael Chanf4e418f2005-11-04 08:53:48 -08003273
3274 /* Refresh hw_cons to see if there is new work */
3275 if (sw_cons == hw_cons) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003276 hw_cons = bnx2_get_hw_rx_cons(bnapi);
Michael Chanf4e418f2005-11-04 08:53:48 -08003277 rmb();
3278 }
Michael Chanb6016b72005-05-26 13:03:09 -07003279 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07003280 rxr->rx_cons = sw_cons;
3281 rxr->rx_prod = sw_prod;
Michael Chanb6016b72005-05-26 13:03:09 -07003282
Michael Chan1db82f22007-12-12 11:19:35 -08003283 if (pg_ring_used)
Michael Chane503e062012-12-06 10:33:08 +00003284 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
Michael Chan1db82f22007-12-12 11:19:35 -08003285
Michael Chane503e062012-12-06 10:33:08 +00003286 BNX2_WR16(bp, rxr->rx_bidx_addr, sw_prod);
Michael Chanb6016b72005-05-26 13:03:09 -07003287
Michael Chane503e062012-12-06 10:33:08 +00003288 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07003289
3290 mmiowb();
3291
3292 return rx_pkt;
3293
3294}
3295
3296/* MSI ISR - The only difference between this and the INTx ISR
3297 * is that the MSI interrupt is always serviced.
3298 */
3299static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003300bnx2_msi(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003301{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003302 struct bnx2_napi *bnapi = dev_instance;
3303 struct bnx2 *bp = bnapi->bp;
Michael Chanb6016b72005-05-26 13:03:09 -07003304
Michael Chan43e80b82008-06-19 16:41:08 -07003305 prefetch(bnapi->status_blk.msi);
Michael Chane503e062012-12-06 10:33:08 +00003306 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
Michael Chanb6016b72005-05-26 13:03:09 -07003307 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3308 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3309
3310 /* Return here if interrupt is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003311 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3312 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003313
Ben Hutchings288379f2009-01-19 16:43:59 -08003314 napi_schedule(&bnapi->napi);
Michael Chanb6016b72005-05-26 13:03:09 -07003315
Michael Chan73eef4c2005-08-25 15:39:15 -07003316 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003317}
3318
3319static irqreturn_t
Michael Chan8e6a72c2007-05-03 13:24:48 -07003320bnx2_msi_1shot(int irq, void *dev_instance)
3321{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003322 struct bnx2_napi *bnapi = dev_instance;
3323 struct bnx2 *bp = bnapi->bp;
Michael Chan8e6a72c2007-05-03 13:24:48 -07003324
Michael Chan43e80b82008-06-19 16:41:08 -07003325 prefetch(bnapi->status_blk.msi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003326
3327 /* Return here if interrupt is disabled. */
3328 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3329 return IRQ_HANDLED;
3330
Ben Hutchings288379f2009-01-19 16:43:59 -08003331 napi_schedule(&bnapi->napi);
Michael Chan8e6a72c2007-05-03 13:24:48 -07003332
3333 return IRQ_HANDLED;
3334}
3335
3336static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +01003337bnx2_interrupt(int irq, void *dev_instance)
Michael Chanb6016b72005-05-26 13:03:09 -07003338{
Michael Chanf0ea2e62008-06-19 16:41:57 -07003339 struct bnx2_napi *bnapi = dev_instance;
3340 struct bnx2 *bp = bnapi->bp;
Michael Chan43e80b82008-06-19 16:41:08 -07003341 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanb6016b72005-05-26 13:03:09 -07003342
3343 /* When using INTx, it is possible for the interrupt to arrive
3344 * at the CPU before the status block posted prior to the
3345 * interrupt. Reading a register will flush the status block.
3346 * When using MSI, the MSI message will always complete after
3347 * the status block write.
3348 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003349 if ((sblk->status_idx == bnapi->last_status_idx) &&
Michael Chane503e062012-12-06 10:33:08 +00003350 (BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS) &
Michael Chanb6016b72005-05-26 13:03:09 -07003351 BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
Michael Chan73eef4c2005-08-25 15:39:15 -07003352 return IRQ_NONE;
Michael Chanb6016b72005-05-26 13:03:09 -07003353
Michael Chane503e062012-12-06 10:33:08 +00003354 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
Michael Chanb6016b72005-05-26 13:03:09 -07003355 BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
3356 BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
3357
Michael Chanb8a7ce72007-07-07 22:51:03 -07003358 /* Read back to deassert IRQ immediately to avoid too many
3359 * spurious interrupts.
3360 */
Michael Chane503e062012-12-06 10:33:08 +00003361 BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003362
Michael Chanb6016b72005-05-26 13:03:09 -07003363 /* Return here if interrupt is shared and is disabled. */
Michael Chan73eef4c2005-08-25 15:39:15 -07003364 if (unlikely(atomic_read(&bp->intr_sem) != 0))
3365 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003366
Ben Hutchings288379f2009-01-19 16:43:59 -08003367 if (napi_schedule_prep(&bnapi->napi)) {
Michael Chan35efa7c2007-12-20 19:56:37 -08003368 bnapi->last_status_idx = sblk->status_idx;
Ben Hutchings288379f2009-01-19 16:43:59 -08003369 __napi_schedule(&bnapi->napi);
Michael Chanb8a7ce72007-07-07 22:51:03 -07003370 }
Michael Chanb6016b72005-05-26 13:03:09 -07003371
Michael Chan73eef4c2005-08-25 15:39:15 -07003372 return IRQ_HANDLED;
Michael Chanb6016b72005-05-26 13:03:09 -07003373}
3374
Michael Chan43e80b82008-06-19 16:41:08 -07003375static inline int
3376bnx2_has_fast_work(struct bnx2_napi *bnapi)
3377{
3378 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3379 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
3380
3381 if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
3382 (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
3383 return 1;
3384 return 0;
3385}
3386
Michael Chan0d8a6572007-07-07 22:49:43 -07003387#define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
3388 STATUS_ATTN_BITS_TIMER_ABORT)
Michael Chanda3e4fb2007-05-03 13:24:23 -07003389
Michael Chanf4e418f2005-11-04 08:53:48 -08003390static inline int
Michael Chan35efa7c2007-12-20 19:56:37 -08003391bnx2_has_work(struct bnx2_napi *bnapi)
Michael Chanf4e418f2005-11-04 08:53:48 -08003392{
Michael Chan43e80b82008-06-19 16:41:08 -07003393 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanf4e418f2005-11-04 08:53:48 -08003394
Michael Chan43e80b82008-06-19 16:41:08 -07003395 if (bnx2_has_fast_work(bnapi))
Michael Chanf4e418f2005-11-04 08:53:48 -08003396 return 1;
3397
Michael Chan4edd4732009-06-08 18:14:42 -07003398#ifdef BCM_CNIC
3399 if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
3400 return 1;
3401#endif
3402
Michael Chanda3e4fb2007-05-03 13:24:23 -07003403 if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
3404 (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
Michael Chanf4e418f2005-11-04 08:53:48 -08003405 return 1;
3406
3407 return 0;
3408}
3409
Michael Chanefba0182008-12-03 00:36:15 -08003410static void
3411bnx2_chk_missed_msi(struct bnx2 *bp)
3412{
3413 struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
3414 u32 msi_ctrl;
3415
3416 if (bnx2_has_work(bnapi)) {
Michael Chane503e062012-12-06 10:33:08 +00003417 msi_ctrl = BNX2_RD(bp, BNX2_PCICFG_MSI_CONTROL);
Michael Chanefba0182008-12-03 00:36:15 -08003418 if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
3419 return;
3420
3421 if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
Michael Chane503e062012-12-06 10:33:08 +00003422 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
3423 ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
3424 BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
Michael Chanefba0182008-12-03 00:36:15 -08003425 bnx2_msi(bp->irq_tbl[0].vector, bnapi);
3426 }
3427 }
3428
3429 bp->idle_chk_status_idx = bnapi->last_status_idx;
3430}
3431
Michael Chan4edd4732009-06-08 18:14:42 -07003432#ifdef BCM_CNIC
3433static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
3434{
3435 struct cnic_ops *c_ops;
3436
3437 if (!bnapi->cnic_present)
3438 return;
3439
3440 rcu_read_lock();
3441 c_ops = rcu_dereference(bp->cnic_ops);
3442 if (c_ops)
3443 bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
3444 bnapi->status_blk.msi);
3445 rcu_read_unlock();
3446}
3447#endif
3448
Michael Chan43e80b82008-06-19 16:41:08 -07003449static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
Michael Chanb6016b72005-05-26 13:03:09 -07003450{
Michael Chan43e80b82008-06-19 16:41:08 -07003451 struct status_block *sblk = bnapi->status_blk.msi;
Michael Chanda3e4fb2007-05-03 13:24:23 -07003452 u32 status_attn_bits = sblk->status_attn_bits;
3453 u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
Michael Chanb6016b72005-05-26 13:03:09 -07003454
Michael Chanda3e4fb2007-05-03 13:24:23 -07003455 if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
3456 (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
Michael Chanb6016b72005-05-26 13:03:09 -07003457
Michael Chan35efa7c2007-12-20 19:56:37 -08003458 bnx2_phy_int(bp, bnapi);
Michael Chanbf5295b2006-03-23 01:11:56 -08003459
3460 /* This is needed to take care of transient status
3461 * during link changes.
3462 */
Michael Chane503e062012-12-06 10:33:08 +00003463 BNX2_WR(bp, BNX2_HC_COMMAND,
3464 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
3465 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07003466 }
Michael Chan43e80b82008-06-19 16:41:08 -07003467}
3468
3469static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
3470 int work_done, int budget)
3471{
3472 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
3473 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanb6016b72005-05-26 13:03:09 -07003474
Michael Chan35e90102008-06-19 16:37:42 -07003475 if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
Michael Chan57851d82007-12-20 20:01:44 -08003476 bnx2_tx_int(bp, bnapi, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07003477
Michael Chanbb4f98a2008-06-19 16:38:19 -07003478 if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
Michael Chan35efa7c2007-12-20 19:56:37 -08003479 work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003480
David S. Miller6f535762007-10-11 18:08:29 -07003481 return work_done;
3482}
Michael Chanf4e418f2005-11-04 08:53:48 -08003483
Michael Chanf0ea2e62008-06-19 16:41:57 -07003484static int bnx2_poll_msix(struct napi_struct *napi, int budget)
3485{
3486 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3487 struct bnx2 *bp = bnapi->bp;
3488 int work_done = 0;
3489 struct status_block_msix *sblk = bnapi->status_blk.msix;
3490
3491 while (1) {
3492 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
3493 if (unlikely(work_done >= budget))
3494 break;
3495
3496 bnapi->last_status_idx = sblk->status_idx;
3497 /* status idx must be read before checking for more work. */
3498 rmb();
3499 if (likely(!bnx2_has_fast_work(bnapi))) {
3500
Ben Hutchings288379f2009-01-19 16:43:59 -08003501 napi_complete(napi);
Michael Chane503e062012-12-06 10:33:08 +00003502 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
3503 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3504 bnapi->last_status_idx);
Michael Chanf0ea2e62008-06-19 16:41:57 -07003505 break;
3506 }
3507 }
3508 return work_done;
3509}
3510
David S. Miller6f535762007-10-11 18:08:29 -07003511static int bnx2_poll(struct napi_struct *napi, int budget)
3512{
Michael Chan35efa7c2007-12-20 19:56:37 -08003513 struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
3514 struct bnx2 *bp = bnapi->bp;
David S. Miller6f535762007-10-11 18:08:29 -07003515 int work_done = 0;
Michael Chan43e80b82008-06-19 16:41:08 -07003516 struct status_block *sblk = bnapi->status_blk.msi;
David S. Miller6f535762007-10-11 18:08:29 -07003517
3518 while (1) {
Michael Chan43e80b82008-06-19 16:41:08 -07003519 bnx2_poll_link(bp, bnapi);
3520
Michael Chan35efa7c2007-12-20 19:56:37 -08003521 work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
David S. Miller6f535762007-10-11 18:08:29 -07003522
Michael Chan4edd4732009-06-08 18:14:42 -07003523#ifdef BCM_CNIC
3524 bnx2_poll_cnic(bp, bnapi);
3525#endif
3526
Michael Chan35efa7c2007-12-20 19:56:37 -08003527 /* bnapi->last_status_idx is used below to tell the hw how
Michael Chan6dee6422007-10-12 01:40:38 -07003528 * much work has been processed, so we must read it before
3529 * checking for more work.
3530 */
Michael Chan35efa7c2007-12-20 19:56:37 -08003531 bnapi->last_status_idx = sblk->status_idx;
Michael Chanefba0182008-12-03 00:36:15 -08003532
3533 if (unlikely(work_done >= budget))
3534 break;
3535
Michael Chan6dee6422007-10-12 01:40:38 -07003536 rmb();
Michael Chan35efa7c2007-12-20 19:56:37 -08003537 if (likely(!bnx2_has_work(bnapi))) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003538 napi_complete(napi);
David S. Millerf86e82f2008-01-21 17:15:40 -08003539 if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
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 bnapi->last_status_idx);
Michael Chan6dee6422007-10-12 01:40:38 -07003543 break;
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 BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
3548 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003549
Michael Chane503e062012-12-06 10:33:08 +00003550 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
3551 BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
3552 bnapi->last_status_idx);
David S. Miller6f535762007-10-11 18:08:29 -07003553 break;
Michael Chan1269a8a2006-01-23 16:11:03 -08003554 }
Michael Chanb6016b72005-05-26 13:03:09 -07003555 }
3556
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003557 return work_done;
Michael Chanb6016b72005-05-26 13:03:09 -07003558}
3559
Herbert Xu932ff272006-06-09 12:20:56 -07003560/* Called with rtnl_lock from vlan functions and also netif_tx_lock
Michael Chanb6016b72005-05-26 13:03:09 -07003561 * from set_multicast.
3562 */
3563static void
3564bnx2_set_rx_mode(struct net_device *dev)
3565{
Michael Chan972ec0d2006-01-23 16:12:43 -08003566 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07003567 u32 rx_mode, sort_mode;
Jiri Pirkoccffad252009-05-22 23:22:17 +00003568 struct netdev_hw_addr *ha;
Michael Chanb6016b72005-05-26 13:03:09 -07003569 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07003570
Michael Chan9f52b562008-10-09 12:21:46 -07003571 if (!netif_running(dev))
3572 return;
3573
Michael Chanc770a652005-08-25 15:38:39 -07003574 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003575
3576 rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
3577 BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
3578 sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
Patrick McHardyf6469682013-04-19 02:04:27 +00003579 if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
Jesse Gross7d0fd212010-10-20 13:56:09 +00003580 (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
Michael Chanb6016b72005-05-26 13:03:09 -07003581 rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
Michael Chanb6016b72005-05-26 13:03:09 -07003582 if (dev->flags & IFF_PROMISC) {
3583 /* Promiscuous mode. */
3584 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
Michael Chan75108732006-11-19 14:06:40 -08003585 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3586 BNX2_RPM_SORT_USER0_PROM_VLAN;
Michael Chanb6016b72005-05-26 13:03:09 -07003587 }
3588 else if (dev->flags & IFF_ALLMULTI) {
3589 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
Michael Chane503e062012-12-06 10:33:08 +00003590 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3591 0xffffffff);
Michael Chanb6016b72005-05-26 13:03:09 -07003592 }
3593 sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
3594 }
3595 else {
3596 /* Accept one or more multicast(s). */
Michael Chanb6016b72005-05-26 13:03:09 -07003597 u32 mc_filter[NUM_MC_HASH_REGISTERS];
3598 u32 regidx;
3599 u32 bit;
3600 u32 crc;
3601
3602 memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
3603
Jiri Pirko22bedad32010-04-01 21:22:57 +00003604 netdev_for_each_mc_addr(ha, dev) {
3605 crc = ether_crc_le(ETH_ALEN, ha->addr);
Michael Chanb6016b72005-05-26 13:03:09 -07003606 bit = crc & 0xff;
3607 regidx = (bit & 0xe0) >> 5;
3608 bit &= 0x1f;
3609 mc_filter[regidx] |= (1 << bit);
3610 }
3611
3612 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
Michael Chane503e062012-12-06 10:33:08 +00003613 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3614 mc_filter[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07003615 }
3616
3617 sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
3618 }
3619
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003620 if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003621 rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
3622 sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
3623 BNX2_RPM_SORT_USER0_PROM_VLAN;
3624 } else if (!(dev->flags & IFF_PROMISC)) {
Benjamin Li5fcaed02008-07-14 22:39:52 -07003625 /* Add all entries into to the match filter list */
Jiri Pirkoccffad252009-05-22 23:22:17 +00003626 i = 0;
Jiri Pirko32e7bfc2010-01-25 13:36:10 -08003627 netdev_for_each_uc_addr(ha, dev) {
Jiri Pirkoccffad252009-05-22 23:22:17 +00003628 bnx2_set_mac_addr(bp, ha->addr,
Benjamin Li5fcaed02008-07-14 22:39:52 -07003629 i + BNX2_START_UNICAST_ADDRESS_INDEX);
3630 sort_mode |= (1 <<
3631 (i + BNX2_START_UNICAST_ADDRESS_INDEX));
Jiri Pirkoccffad252009-05-22 23:22:17 +00003632 i++;
Benjamin Li5fcaed02008-07-14 22:39:52 -07003633 }
3634
3635 }
3636
Michael Chanb6016b72005-05-26 13:03:09 -07003637 if (rx_mode != bp->rx_mode) {
3638 bp->rx_mode = rx_mode;
Michael Chane503e062012-12-06 10:33:08 +00003639 BNX2_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003640 }
3641
Michael Chane503e062012-12-06 10:33:08 +00003642 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3643 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
3644 BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
Michael Chanb6016b72005-05-26 13:03:09 -07003645
Michael Chanc770a652005-08-25 15:38:39 -07003646 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07003647}
3648
françois romieu7880b722011-09-30 00:36:52 +00003649static int
Michael Chan57579f72009-04-04 16:51:14 -07003650check_fw_section(const struct firmware *fw,
3651 const struct bnx2_fw_file_section *section,
3652 u32 alignment, bool non_empty)
Michael Chanb6016b72005-05-26 13:03:09 -07003653{
Michael Chan57579f72009-04-04 16:51:14 -07003654 u32 offset = be32_to_cpu(section->offset);
3655 u32 len = be32_to_cpu(section->len);
Michael Chanb6016b72005-05-26 13:03:09 -07003656
Michael Chan57579f72009-04-04 16:51:14 -07003657 if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
3658 return -EINVAL;
3659 if ((non_empty && len == 0) || len > fw->size - offset ||
3660 len & (alignment - 1))
3661 return -EINVAL;
3662 return 0;
3663}
3664
françois romieu7880b722011-09-30 00:36:52 +00003665static int
Michael Chan57579f72009-04-04 16:51:14 -07003666check_mips_fw_entry(const struct firmware *fw,
3667 const struct bnx2_mips_fw_file_entry *entry)
3668{
3669 if (check_fw_section(fw, &entry->text, 4, true) ||
3670 check_fw_section(fw, &entry->data, 4, false) ||
3671 check_fw_section(fw, &entry->rodata, 4, false))
3672 return -EINVAL;
3673 return 0;
3674}
3675
françois romieu7880b722011-09-30 00:36:52 +00003676static void bnx2_release_firmware(struct bnx2 *bp)
3677{
3678 if (bp->rv2p_firmware) {
3679 release_firmware(bp->mips_firmware);
3680 release_firmware(bp->rv2p_firmware);
3681 bp->rv2p_firmware = NULL;
3682 }
3683}
3684
3685static int bnx2_request_uncached_firmware(struct bnx2 *bp)
Michael Chan57579f72009-04-04 16:51:14 -07003686{
3687 const char *mips_fw_file, *rv2p_fw_file;
Bastian Blank5ee1c322009-04-08 15:50:07 -07003688 const struct bnx2_mips_fw_file *mips_fw;
3689 const struct bnx2_rv2p_fw_file *rv2p_fw;
Michael Chan57579f72009-04-04 16:51:14 -07003690 int rc;
3691
Michael Chan4ce45e02012-12-06 10:33:10 +00003692 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan57579f72009-04-04 16:51:14 -07003693 mips_fw_file = FW_MIPS_FILE_09;
Michael Chan4ce45e02012-12-06 10:33:10 +00003694 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A0) ||
3695 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A1))
Michael Chan078b0732009-08-29 00:02:46 -07003696 rv2p_fw_file = FW_RV2P_FILE_09_Ax;
3697 else
3698 rv2p_fw_file = FW_RV2P_FILE_09;
Michael Chan57579f72009-04-04 16:51:14 -07003699 } else {
3700 mips_fw_file = FW_MIPS_FILE_06;
3701 rv2p_fw_file = FW_RV2P_FILE_06;
3702 }
3703
3704 rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
3705 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003706 pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003707 goto out;
Michael Chan57579f72009-04-04 16:51:14 -07003708 }
3709
3710 rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
3711 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003712 pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003713 goto err_release_mips_firmware;
Michael Chan57579f72009-04-04 16:51:14 -07003714 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003715 mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3716 rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3717 if (bp->mips_firmware->size < sizeof(*mips_fw) ||
3718 check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
3719 check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
3720 check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
3721 check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
3722 check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003723 pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003724 rc = -EINVAL;
3725 goto err_release_firmware;
Michael Chan57579f72009-04-04 16:51:14 -07003726 }
Bastian Blank5ee1c322009-04-08 15:50:07 -07003727 if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
3728 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
3729 check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00003730 pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
françois romieu7880b722011-09-30 00:36:52 +00003731 rc = -EINVAL;
3732 goto err_release_firmware;
Michael Chan57579f72009-04-04 16:51:14 -07003733 }
françois romieu7880b722011-09-30 00:36:52 +00003734out:
3735 return rc;
Michael Chan57579f72009-04-04 16:51:14 -07003736
françois romieu7880b722011-09-30 00:36:52 +00003737err_release_firmware:
3738 release_firmware(bp->rv2p_firmware);
3739 bp->rv2p_firmware = NULL;
3740err_release_mips_firmware:
3741 release_firmware(bp->mips_firmware);
3742 goto out;
3743}
3744
3745static int bnx2_request_firmware(struct bnx2 *bp)
3746{
3747 return bp->rv2p_firmware ? 0 : bnx2_request_uncached_firmware(bp);
Michael Chan57579f72009-04-04 16:51:14 -07003748}
3749
3750static u32
3751rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
3752{
3753 switch (idx) {
3754 case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
3755 rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
3756 rv2p_code |= RV2P_BD_PAGE_SIZE;
3757 break;
3758 }
3759 return rv2p_code;
3760}
3761
3762static int
3763load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
3764 const struct bnx2_rv2p_fw_file_entry *fw_entry)
3765{
3766 u32 rv2p_code_len, file_offset;
3767 __be32 *rv2p_code;
3768 int i;
3769 u32 val, cmd, addr;
3770
3771 rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
3772 file_offset = be32_to_cpu(fw_entry->rv2p.offset);
3773
3774 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3775
3776 if (rv2p_proc == RV2P_PROC1) {
3777 cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
3778 addr = BNX2_RV2P_PROC1_ADDR_CMD;
3779 } else {
3780 cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
3781 addr = BNX2_RV2P_PROC2_ADDR_CMD;
Michael Chand25be1d2008-05-02 16:57:59 -07003782 }
Michael Chanb6016b72005-05-26 13:03:09 -07003783
3784 for (i = 0; i < rv2p_code_len; i += 8) {
Michael Chane503e062012-12-06 10:33:08 +00003785 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003786 rv2p_code++;
Michael Chane503e062012-12-06 10:33:08 +00003787 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
Michael Chanb6016b72005-05-26 13:03:09 -07003788 rv2p_code++;
3789
Michael Chan57579f72009-04-04 16:51:14 -07003790 val = (i / 8) | cmd;
Michael Chane503e062012-12-06 10:33:08 +00003791 BNX2_WR(bp, addr, val);
Michael Chan57579f72009-04-04 16:51:14 -07003792 }
3793
3794 rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
3795 for (i = 0; i < 8; i++) {
3796 u32 loc, code;
3797
3798 loc = be32_to_cpu(fw_entry->fixup[i]);
3799 if (loc && ((loc * 4) < rv2p_code_len)) {
3800 code = be32_to_cpu(*(rv2p_code + loc - 1));
Michael Chane503e062012-12-06 10:33:08 +00003801 BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
Michael Chan57579f72009-04-04 16:51:14 -07003802 code = be32_to_cpu(*(rv2p_code + loc));
3803 code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
Michael Chane503e062012-12-06 10:33:08 +00003804 BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, code);
Michael Chan57579f72009-04-04 16:51:14 -07003805
3806 val = (loc / 2) | cmd;
Michael Chane503e062012-12-06 10:33:08 +00003807 BNX2_WR(bp, addr, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003808 }
3809 }
3810
3811 /* Reset the processor, un-stall is done later. */
3812 if (rv2p_proc == RV2P_PROC1) {
Michael Chane503e062012-12-06 10:33:08 +00003813 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07003814 }
3815 else {
Michael Chane503e062012-12-06 10:33:08 +00003816 BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
Michael Chanb6016b72005-05-26 13:03:09 -07003817 }
Michael Chan57579f72009-04-04 16:51:14 -07003818
3819 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003820}
3821
Michael Chanaf3ee512006-11-19 14:09:25 -08003822static int
Michael Chan57579f72009-04-04 16:51:14 -07003823load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
3824 const struct bnx2_mips_fw_file_entry *fw_entry)
Michael Chanb6016b72005-05-26 13:03:09 -07003825{
Michael Chan57579f72009-04-04 16:51:14 -07003826 u32 addr, len, file_offset;
3827 __be32 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07003828 u32 offset;
3829 u32 val;
3830
3831 /* Halt the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003832 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003833 val |= cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003834 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
3835 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
Michael Chanb6016b72005-05-26 13:03:09 -07003836
3837 /* Load the Text area. */
Michael Chan57579f72009-04-04 16:51:14 -07003838 addr = be32_to_cpu(fw_entry->text.addr);
3839 len = be32_to_cpu(fw_entry->text.len);
3840 file_offset = be32_to_cpu(fw_entry->text.offset);
3841 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3842
3843 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3844 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003845 int j;
3846
Michael Chan57579f72009-04-04 16:51:14 -07003847 for (j = 0; j < (len / 4); j++, offset += 4)
3848 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003849 }
3850
3851 /* Load the Data area. */
Michael Chan57579f72009-04-04 16:51:14 -07003852 addr = be32_to_cpu(fw_entry->data.addr);
3853 len = be32_to_cpu(fw_entry->data.len);
3854 file_offset = be32_to_cpu(fw_entry->data.offset);
3855 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3856
3857 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3858 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003859 int j;
3860
Michael Chan57579f72009-04-04 16:51:14 -07003861 for (j = 0; j < (len / 4); j++, offset += 4)
3862 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003863 }
3864
3865 /* Load the Read-Only area. */
Michael Chan57579f72009-04-04 16:51:14 -07003866 addr = be32_to_cpu(fw_entry->rodata.addr);
3867 len = be32_to_cpu(fw_entry->rodata.len);
3868 file_offset = be32_to_cpu(fw_entry->rodata.offset);
3869 data = (__be32 *)(bp->mips_firmware->data + file_offset);
3870
3871 offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
3872 if (len) {
Michael Chanb6016b72005-05-26 13:03:09 -07003873 int j;
3874
Michael Chan57579f72009-04-04 16:51:14 -07003875 for (j = 0; j < (len / 4); j++, offset += 4)
3876 bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
Michael Chanb6016b72005-05-26 13:03:09 -07003877 }
3878
3879 /* Clear the pre-fetch instruction. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003880 bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
Michael Chan57579f72009-04-04 16:51:14 -07003881
3882 val = be32_to_cpu(fw_entry->start_addr);
3883 bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
Michael Chanb6016b72005-05-26 13:03:09 -07003884
3885 /* Start the CPU. */
Michael Chan2726d6e2008-01-29 21:35:05 -08003886 val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
Michael Chanb6016b72005-05-26 13:03:09 -07003887 val &= ~cpu_reg->mode_value_halt;
Michael Chan2726d6e2008-01-29 21:35:05 -08003888 bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
3889 bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
Michael Chanaf3ee512006-11-19 14:09:25 -08003890
3891 return 0;
Michael Chanb6016b72005-05-26 13:03:09 -07003892}
3893
Michael Chanfba9fe92006-06-12 22:21:25 -07003894static int
Michael Chanb6016b72005-05-26 13:03:09 -07003895bnx2_init_cpus(struct bnx2 *bp)
3896{
Michael Chan57579f72009-04-04 16:51:14 -07003897 const struct bnx2_mips_fw_file *mips_fw =
3898 (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
3899 const struct bnx2_rv2p_fw_file *rv2p_fw =
3900 (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
3901 int rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003902
3903 /* Initialize the RV2P processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003904 load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
3905 load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
Michael Chanb6016b72005-05-26 13:03:09 -07003906
3907 /* Initialize the RX Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003908 rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
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 Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003913 rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
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 TX Patch-up Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003918 rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
Michael Chanfba9fe92006-06-12 22:21:25 -07003919 if (rc)
3920 goto init_cpu_err;
3921
Michael Chanb6016b72005-05-26 13:03:09 -07003922 /* Initialize the Completion Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003923 rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
Michael Chanfba9fe92006-06-12 22:21:25 -07003924 if (rc)
3925 goto init_cpu_err;
3926
Michael Chand43584c2006-11-19 14:14:35 -08003927 /* Initialize the Command Processor. */
Michael Chan57579f72009-04-04 16:51:14 -07003928 rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
Michael Chan110d0ef2007-12-12 11:18:34 -08003929
Michael Chanfba9fe92006-06-12 22:21:25 -07003930init_cpu_err:
Michael Chanfba9fe92006-06-12 22:21:25 -07003931 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07003932}
3933
Michael Chanb6a23e92013-08-06 15:50:09 -07003934static void
3935bnx2_setup_wol(struct bnx2 *bp)
3936{
3937 int i;
3938 u32 val, wol_msg;
3939
3940 if (bp->wol) {
3941 u32 advertising;
3942 u8 autoneg;
3943
3944 autoneg = bp->autoneg;
3945 advertising = bp->advertising;
3946
3947 if (bp->phy_port == PORT_TP) {
3948 bp->autoneg = AUTONEG_SPEED;
3949 bp->advertising = ADVERTISED_10baseT_Half |
3950 ADVERTISED_10baseT_Full |
3951 ADVERTISED_100baseT_Half |
3952 ADVERTISED_100baseT_Full |
3953 ADVERTISED_Autoneg;
3954 }
3955
3956 spin_lock_bh(&bp->phy_lock);
3957 bnx2_setup_phy(bp, bp->phy_port);
3958 spin_unlock_bh(&bp->phy_lock);
3959
3960 bp->autoneg = autoneg;
3961 bp->advertising = advertising;
3962
3963 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
3964
3965 val = BNX2_RD(bp, BNX2_EMAC_MODE);
3966
3967 /* Enable port mode. */
3968 val &= ~BNX2_EMAC_MODE_PORT;
3969 val |= BNX2_EMAC_MODE_MPKT_RCVD |
3970 BNX2_EMAC_MODE_ACPI_RCVD |
3971 BNX2_EMAC_MODE_MPKT;
3972 if (bp->phy_port == PORT_TP) {
3973 val |= BNX2_EMAC_MODE_PORT_MII;
3974 } else {
3975 val |= BNX2_EMAC_MODE_PORT_GMII;
3976 if (bp->line_speed == SPEED_2500)
3977 val |= BNX2_EMAC_MODE_25G_MODE;
3978 }
3979
3980 BNX2_WR(bp, BNX2_EMAC_MODE, val);
3981
3982 /* receive all multicast */
3983 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
3984 BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
3985 0xffffffff);
3986 }
3987 BNX2_WR(bp, BNX2_EMAC_RX_MODE, BNX2_EMAC_RX_MODE_SORT_MODE);
3988
3989 val = 1 | BNX2_RPM_SORT_USER0_BC_EN | BNX2_RPM_SORT_USER0_MC_EN;
3990 BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
3991 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val);
3992 BNX2_WR(bp, BNX2_RPM_SORT_USER0, val | BNX2_RPM_SORT_USER0_ENA);
3993
3994 /* Need to enable EMAC and RPM for WOL. */
3995 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
3996 BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
3997 BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
3998 BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
3999
4000 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
4001 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
4002 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
4003
4004 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
4005 } else {
4006 wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
4007 }
4008
Michael Chana8d9bc22014-03-09 15:45:32 -08004009 if (!(bp->flags & BNX2_FLAG_NO_WOL)) {
4010 u32 val;
4011
4012 wol_msg |= BNX2_DRV_MSG_DATA_WAIT3;
4013 if (bp->fw_last_msg || BNX2_CHIP(bp) != BNX2_CHIP_5709) {
4014 bnx2_fw_sync(bp, wol_msg, 1, 0);
4015 return;
4016 }
4017 /* Tell firmware not to power down the PHY yet, otherwise
4018 * the chip will take a long time to respond to MMIO reads.
4019 */
4020 val = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
4021 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE,
4022 val | BNX2_PORT_FEATURE_ASF_ENABLED);
4023 bnx2_fw_sync(bp, wol_msg, 1, 0);
4024 bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, val);
4025 }
Michael Chanb6a23e92013-08-06 15:50:09 -07004026
4027}
4028
Michael Chanb6016b72005-05-26 13:03:09 -07004029static int
Pavel Machek829ca9a2005-09-03 15:56:56 -07004030bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
Michael Chanb6016b72005-05-26 13:03:09 -07004031{
Michael Chanb6016b72005-05-26 13:03:09 -07004032 switch (state) {
Pavel Machek829ca9a2005-09-03 15:56:56 -07004033 case PCI_D0: {
Michael Chanb6016b72005-05-26 13:03:09 -07004034 u32 val;
4035
Michael Chan6d5e85c2013-08-06 15:50:08 -07004036 pci_enable_wake(bp->pdev, PCI_D0, false);
4037 pci_set_power_state(bp->pdev, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07004038
Michael Chane503e062012-12-06 10:33:08 +00004039 val = BNX2_RD(bp, BNX2_EMAC_MODE);
Michael Chanb6016b72005-05-26 13:03:09 -07004040 val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
4041 val &= ~BNX2_EMAC_MODE_MPKT;
Michael Chane503e062012-12-06 10:33:08 +00004042 BNX2_WR(bp, BNX2_EMAC_MODE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004043
Michael Chane503e062012-12-06 10:33:08 +00004044 val = BNX2_RD(bp, BNX2_RPM_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004045 val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
Michael Chane503e062012-12-06 10:33:08 +00004046 BNX2_WR(bp, BNX2_RPM_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004047 break;
4048 }
Pavel Machek829ca9a2005-09-03 15:56:56 -07004049 case PCI_D3hot: {
Michael Chanb6a23e92013-08-06 15:50:09 -07004050 bnx2_setup_wol(bp);
Michael Chan6d5e85c2013-08-06 15:50:08 -07004051 pci_wake_from_d3(bp->pdev, bp->wol);
Michael Chan4ce45e02012-12-06 10:33:10 +00004052 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4053 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004054
4055 if (bp->wol)
Michael Chan6d5e85c2013-08-06 15:50:08 -07004056 pci_set_power_state(bp->pdev, PCI_D3hot);
Michael Chana8d9bc22014-03-09 15:45:32 -08004057 break;
4058
Michael Chanb6016b72005-05-26 13:03:09 -07004059 }
Michael Chana8d9bc22014-03-09 15:45:32 -08004060 if (!bp->fw_last_msg && BNX2_CHIP(bp) == BNX2_CHIP_5709) {
4061 u32 val;
4062
4063 /* Tell firmware not to power down the PHY yet,
4064 * otherwise the other port may not respond to
4065 * MMIO reads.
4066 */
4067 val = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
4068 val &= ~BNX2_CONDITION_PM_STATE_MASK;
4069 val |= BNX2_CONDITION_PM_STATE_UNPREP;
4070 bnx2_shmem_wr(bp, BNX2_BC_STATE_CONDITION, val);
4071 }
4072 pci_set_power_state(bp->pdev, PCI_D3hot);
Michael Chanb6016b72005-05-26 13:03:09 -07004073
4074 /* No more memory access after this point until
4075 * device is brought back to D0.
4076 */
Michael Chanb6016b72005-05-26 13:03:09 -07004077 break;
4078 }
4079 default:
4080 return -EINVAL;
4081 }
4082 return 0;
4083}
4084
4085static int
4086bnx2_acquire_nvram_lock(struct bnx2 *bp)
4087{
4088 u32 val;
4089 int j;
4090
4091 /* Request access to the flash interface. */
Michael Chane503e062012-12-06 10:33:08 +00004092 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
Michael Chanb6016b72005-05-26 13:03:09 -07004093 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
Michael Chane503e062012-12-06 10:33:08 +00004094 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
Michael Chanb6016b72005-05-26 13:03:09 -07004095 if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
4096 break;
4097
4098 udelay(5);
4099 }
4100
4101 if (j >= NVRAM_TIMEOUT_COUNT)
4102 return -EBUSY;
4103
4104 return 0;
4105}
4106
4107static int
4108bnx2_release_nvram_lock(struct bnx2 *bp)
4109{
4110 int j;
4111 u32 val;
4112
4113 /* Relinquish nvram interface. */
Michael Chane503e062012-12-06 10:33:08 +00004114 BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
Michael Chanb6016b72005-05-26 13:03:09 -07004115
4116 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
Michael Chane503e062012-12-06 10:33:08 +00004117 val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
Michael Chanb6016b72005-05-26 13:03:09 -07004118 if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
4119 break;
4120
4121 udelay(5);
4122 }
4123
4124 if (j >= NVRAM_TIMEOUT_COUNT)
4125 return -EBUSY;
4126
4127 return 0;
4128}
4129
4130
4131static int
4132bnx2_enable_nvram_write(struct bnx2 *bp)
4133{
4134 u32 val;
4135
Michael Chane503e062012-12-06 10:33:08 +00004136 val = BNX2_RD(bp, BNX2_MISC_CFG);
4137 BNX2_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
Michael Chanb6016b72005-05-26 13:03:09 -07004138
Michael Chane30372c2007-07-16 18:26:23 -07004139 if (bp->flash_info->flags & BNX2_NV_WREN) {
Michael Chanb6016b72005-05-26 13:03:09 -07004140 int j;
4141
Michael Chane503e062012-12-06 10:33:08 +00004142 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
4143 BNX2_WR(bp, BNX2_NVM_COMMAND,
4144 BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
Michael Chanb6016b72005-05-26 13:03:09 -07004145
4146 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4147 udelay(5);
4148
Michael Chane503e062012-12-06 10:33:08 +00004149 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07004150 if (val & BNX2_NVM_COMMAND_DONE)
4151 break;
4152 }
4153
4154 if (j >= NVRAM_TIMEOUT_COUNT)
4155 return -EBUSY;
4156 }
4157 return 0;
4158}
4159
4160static void
4161bnx2_disable_nvram_write(struct bnx2 *bp)
4162{
4163 u32 val;
4164
Michael Chane503e062012-12-06 10:33:08 +00004165 val = BNX2_RD(bp, BNX2_MISC_CFG);
4166 BNX2_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
Michael Chanb6016b72005-05-26 13:03:09 -07004167}
4168
4169
4170static void
4171bnx2_enable_nvram_access(struct bnx2 *bp)
4172{
4173 u32 val;
4174
Michael Chane503e062012-12-06 10:33:08 +00004175 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07004176 /* Enable both bits, even on read. */
Michael Chane503e062012-12-06 10:33:08 +00004177 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
4178 val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
Michael Chanb6016b72005-05-26 13:03:09 -07004179}
4180
4181static void
4182bnx2_disable_nvram_access(struct bnx2 *bp)
4183{
4184 u32 val;
4185
Michael Chane503e062012-12-06 10:33:08 +00004186 val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07004187 /* Disable both bits, even after read. */
Michael Chane503e062012-12-06 10:33:08 +00004188 BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
Michael Chanb6016b72005-05-26 13:03:09 -07004189 val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
4190 BNX2_NVM_ACCESS_ENABLE_WR_EN));
4191}
4192
4193static int
4194bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
4195{
4196 u32 cmd;
4197 int j;
4198
Michael Chane30372c2007-07-16 18:26:23 -07004199 if (bp->flash_info->flags & BNX2_NV_BUFFERED)
Michael Chanb6016b72005-05-26 13:03:09 -07004200 /* Buffered flash, no erase needed */
4201 return 0;
4202
4203 /* Build an erase command */
4204 cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
4205 BNX2_NVM_COMMAND_DOIT;
4206
4207 /* Need to clear DONE bit separately. */
Michael Chane503e062012-12-06 10:33:08 +00004208 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
Michael Chanb6016b72005-05-26 13:03:09 -07004209
4210 /* Address of the NVRAM to read from. */
Michael Chane503e062012-12-06 10:33:08 +00004211 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
Michael Chanb6016b72005-05-26 13:03:09 -07004212
4213 /* Issue an erase command. */
Michael Chane503e062012-12-06 10:33:08 +00004214 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
Michael Chanb6016b72005-05-26 13:03:09 -07004215
4216 /* Wait for completion. */
4217 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4218 u32 val;
4219
4220 udelay(5);
4221
Michael Chane503e062012-12-06 10:33:08 +00004222 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07004223 if (val & BNX2_NVM_COMMAND_DONE)
4224 break;
4225 }
4226
4227 if (j >= NVRAM_TIMEOUT_COUNT)
4228 return -EBUSY;
4229
4230 return 0;
4231}
4232
4233static int
4234bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
4235{
4236 u32 cmd;
4237 int j;
4238
4239 /* Build the command word. */
4240 cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
4241
Michael Chane30372c2007-07-16 18:26:23 -07004242 /* Calculate an offset of a buffered flash, not needed for 5709. */
4243 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004244 offset = ((offset / bp->flash_info->page_size) <<
4245 bp->flash_info->page_bits) +
4246 (offset % bp->flash_info->page_size);
4247 }
4248
4249 /* Need to clear DONE bit separately. */
Michael Chane503e062012-12-06 10:33:08 +00004250 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
Michael Chanb6016b72005-05-26 13:03:09 -07004251
4252 /* Address of the NVRAM to read from. */
Michael Chane503e062012-12-06 10:33:08 +00004253 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
Michael Chanb6016b72005-05-26 13:03:09 -07004254
4255 /* Issue a read command. */
Michael Chane503e062012-12-06 10:33:08 +00004256 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
Michael Chanb6016b72005-05-26 13:03:09 -07004257
4258 /* Wait for completion. */
4259 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4260 u32 val;
4261
4262 udelay(5);
4263
Michael Chane503e062012-12-06 10:33:08 +00004264 val = BNX2_RD(bp, BNX2_NVM_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07004265 if (val & BNX2_NVM_COMMAND_DONE) {
Michael Chane503e062012-12-06 10:33:08 +00004266 __be32 v = cpu_to_be32(BNX2_RD(bp, BNX2_NVM_READ));
Al Virob491edd2007-12-22 19:44:51 +00004267 memcpy(ret_val, &v, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004268 break;
4269 }
4270 }
4271 if (j >= NVRAM_TIMEOUT_COUNT)
4272 return -EBUSY;
4273
4274 return 0;
4275}
4276
4277
4278static int
4279bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
4280{
Al Virob491edd2007-12-22 19:44:51 +00004281 u32 cmd;
4282 __be32 val32;
Michael Chanb6016b72005-05-26 13:03:09 -07004283 int j;
4284
4285 /* Build the command word. */
4286 cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
4287
Michael Chane30372c2007-07-16 18:26:23 -07004288 /* Calculate an offset of a buffered flash, not needed for 5709. */
4289 if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
Michael Chanb6016b72005-05-26 13:03:09 -07004290 offset = ((offset / bp->flash_info->page_size) <<
4291 bp->flash_info->page_bits) +
4292 (offset % bp->flash_info->page_size);
4293 }
4294
4295 /* Need to clear DONE bit separately. */
Michael Chane503e062012-12-06 10:33:08 +00004296 BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
Michael Chanb6016b72005-05-26 13:03:09 -07004297
4298 memcpy(&val32, val, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004299
4300 /* Write the data. */
Michael Chane503e062012-12-06 10:33:08 +00004301 BNX2_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
Michael Chanb6016b72005-05-26 13:03:09 -07004302
4303 /* Address of the NVRAM to write to. */
Michael Chane503e062012-12-06 10:33:08 +00004304 BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
Michael Chanb6016b72005-05-26 13:03:09 -07004305
4306 /* Issue the write command. */
Michael Chane503e062012-12-06 10:33:08 +00004307 BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
Michael Chanb6016b72005-05-26 13:03:09 -07004308
4309 /* Wait for completion. */
4310 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
4311 udelay(5);
4312
Michael Chane503e062012-12-06 10:33:08 +00004313 if (BNX2_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
Michael Chanb6016b72005-05-26 13:03:09 -07004314 break;
4315 }
4316 if (j >= NVRAM_TIMEOUT_COUNT)
4317 return -EBUSY;
4318
4319 return 0;
4320}
4321
4322static int
4323bnx2_init_nvram(struct bnx2 *bp)
4324{
4325 u32 val;
Michael Chane30372c2007-07-16 18:26:23 -07004326 int j, entry_count, rc = 0;
Michael Chan0ced9d02009-08-21 16:20:49 +00004327 const struct flash_spec *flash;
Michael Chanb6016b72005-05-26 13:03:09 -07004328
Michael Chan4ce45e02012-12-06 10:33:10 +00004329 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane30372c2007-07-16 18:26:23 -07004330 bp->flash_info = &flash_5709;
4331 goto get_flash_size;
4332 }
4333
Michael Chanb6016b72005-05-26 13:03:09 -07004334 /* Determine the selected interface. */
Michael Chane503e062012-12-06 10:33:08 +00004335 val = BNX2_RD(bp, BNX2_NVM_CFG1);
Michael Chanb6016b72005-05-26 13:03:09 -07004336
Denis Chengff8ac602007-09-02 18:30:18 +08004337 entry_count = ARRAY_SIZE(flash_table);
Michael Chanb6016b72005-05-26 13:03:09 -07004338
Michael Chanb6016b72005-05-26 13:03:09 -07004339 if (val & 0x40000000) {
4340
4341 /* Flash interface has been reconfigured */
4342 for (j = 0, flash = &flash_table[0]; j < entry_count;
Michael Chan37137702005-11-04 08:49:17 -08004343 j++, flash++) {
4344 if ((val & FLASH_BACKUP_STRAP_MASK) ==
4345 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004346 bp->flash_info = flash;
4347 break;
4348 }
4349 }
4350 }
4351 else {
Michael Chan37137702005-11-04 08:49:17 -08004352 u32 mask;
Michael Chanb6016b72005-05-26 13:03:09 -07004353 /* Not yet been reconfigured */
4354
Michael Chan37137702005-11-04 08:49:17 -08004355 if (val & (1 << 23))
4356 mask = FLASH_BACKUP_STRAP_MASK;
4357 else
4358 mask = FLASH_STRAP_MASK;
4359
Michael Chanb6016b72005-05-26 13:03:09 -07004360 for (j = 0, flash = &flash_table[0]; j < entry_count;
4361 j++, flash++) {
4362
Michael Chan37137702005-11-04 08:49:17 -08004363 if ((val & mask) == (flash->strapping & mask)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004364 bp->flash_info = flash;
4365
4366 /* Request access to the flash interface. */
4367 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4368 return rc;
4369
4370 /* Enable access to flash interface */
4371 bnx2_enable_nvram_access(bp);
4372
4373 /* Reconfigure the flash interface */
Michael Chane503e062012-12-06 10:33:08 +00004374 BNX2_WR(bp, BNX2_NVM_CFG1, flash->config1);
4375 BNX2_WR(bp, BNX2_NVM_CFG2, flash->config2);
4376 BNX2_WR(bp, BNX2_NVM_CFG3, flash->config3);
4377 BNX2_WR(bp, BNX2_NVM_WRITE1, flash->write1);
Michael Chanb6016b72005-05-26 13:03:09 -07004378
4379 /* Disable access to flash interface */
4380 bnx2_disable_nvram_access(bp);
4381 bnx2_release_nvram_lock(bp);
4382
4383 break;
4384 }
4385 }
4386 } /* if (val & 0x40000000) */
4387
4388 if (j == entry_count) {
4389 bp->flash_info = NULL;
Joe Perches3a9c6a42010-02-17 15:01:51 +00004390 pr_alert("Unknown flash/EEPROM type\n");
Michael Chan1122db72006-01-23 16:11:42 -08004391 return -ENODEV;
Michael Chanb6016b72005-05-26 13:03:09 -07004392 }
4393
Michael Chane30372c2007-07-16 18:26:23 -07004394get_flash_size:
Michael Chan2726d6e2008-01-29 21:35:05 -08004395 val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
Michael Chan1122db72006-01-23 16:11:42 -08004396 val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
4397 if (val)
4398 bp->flash_size = val;
4399 else
4400 bp->flash_size = bp->flash_info->total_size;
4401
Michael Chanb6016b72005-05-26 13:03:09 -07004402 return rc;
4403}
4404
4405static int
4406bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
4407 int buf_size)
4408{
4409 int rc = 0;
4410 u32 cmd_flags, offset32, len32, extra;
4411
4412 if (buf_size == 0)
4413 return 0;
4414
4415 /* Request access to the flash interface. */
4416 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4417 return rc;
4418
4419 /* Enable access to flash interface */
4420 bnx2_enable_nvram_access(bp);
4421
4422 len32 = buf_size;
4423 offset32 = offset;
4424 extra = 0;
4425
4426 cmd_flags = 0;
4427
4428 if (offset32 & 3) {
4429 u8 buf[4];
4430 u32 pre_len;
4431
4432 offset32 &= ~3;
4433 pre_len = 4 - (offset & 3);
4434
4435 if (pre_len >= len32) {
4436 pre_len = len32;
4437 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4438 BNX2_NVM_COMMAND_LAST;
4439 }
4440 else {
4441 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4442 }
4443
4444 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4445
4446 if (rc)
4447 return rc;
4448
4449 memcpy(ret_buf, buf + (offset & 3), pre_len);
4450
4451 offset32 += 4;
4452 ret_buf += pre_len;
4453 len32 -= pre_len;
4454 }
4455 if (len32 & 3) {
4456 extra = 4 - (len32 & 3);
4457 len32 = (len32 + 4) & ~3;
4458 }
4459
4460 if (len32 == 4) {
4461 u8 buf[4];
4462
4463 if (cmd_flags)
4464 cmd_flags = BNX2_NVM_COMMAND_LAST;
4465 else
4466 cmd_flags = BNX2_NVM_COMMAND_FIRST |
4467 BNX2_NVM_COMMAND_LAST;
4468
4469 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4470
4471 memcpy(ret_buf, buf, 4 - extra);
4472 }
4473 else if (len32 > 0) {
4474 u8 buf[4];
4475
4476 /* Read the first word. */
4477 if (cmd_flags)
4478 cmd_flags = 0;
4479 else
4480 cmd_flags = BNX2_NVM_COMMAND_FIRST;
4481
4482 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
4483
4484 /* Advance to the next dword. */
4485 offset32 += 4;
4486 ret_buf += 4;
4487 len32 -= 4;
4488
4489 while (len32 > 4 && rc == 0) {
4490 rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
4491
4492 /* Advance to the next dword. */
4493 offset32 += 4;
4494 ret_buf += 4;
4495 len32 -= 4;
4496 }
4497
4498 if (rc)
4499 return rc;
4500
4501 cmd_flags = BNX2_NVM_COMMAND_LAST;
4502 rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
4503
4504 memcpy(ret_buf, buf, 4 - extra);
4505 }
4506
4507 /* Disable access to flash interface */
4508 bnx2_disable_nvram_access(bp);
4509
4510 bnx2_release_nvram_lock(bp);
4511
4512 return rc;
4513}
4514
4515static int
4516bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
4517 int buf_size)
4518{
4519 u32 written, offset32, len32;
Michael Chane6be7632007-01-08 19:56:13 -08004520 u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07004521 int rc = 0;
4522 int align_start, align_end;
4523
4524 buf = data_buf;
4525 offset32 = offset;
4526 len32 = buf_size;
4527 align_start = align_end = 0;
4528
4529 if ((align_start = (offset32 & 3))) {
4530 offset32 &= ~3;
Michael Chanc8738792007-03-30 14:53:06 -07004531 len32 += align_start;
4532 if (len32 < 4)
4533 len32 = 4;
Michael Chanb6016b72005-05-26 13:03:09 -07004534 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
4535 return rc;
4536 }
4537
4538 if (len32 & 3) {
Michael Chanc8738792007-03-30 14:53:06 -07004539 align_end = 4 - (len32 & 3);
4540 len32 += align_end;
4541 if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
4542 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004543 }
4544
4545 if (align_start || align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004546 align_buf = kmalloc(len32, GFP_KERNEL);
4547 if (align_buf == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07004548 return -ENOMEM;
4549 if (align_start) {
Michael Chane6be7632007-01-08 19:56:13 -08004550 memcpy(align_buf, start, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004551 }
4552 if (align_end) {
Michael Chane6be7632007-01-08 19:56:13 -08004553 memcpy(align_buf + len32 - 4, end, 4);
Michael Chanb6016b72005-05-26 13:03:09 -07004554 }
Michael Chane6be7632007-01-08 19:56:13 -08004555 memcpy(align_buf + align_start, data_buf, buf_size);
4556 buf = align_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07004557 }
4558
Michael Chane30372c2007-07-16 18:26:23 -07004559 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanae181bc2006-05-22 16:39:20 -07004560 flash_buffer = kmalloc(264, GFP_KERNEL);
4561 if (flash_buffer == NULL) {
4562 rc = -ENOMEM;
4563 goto nvram_write_end;
4564 }
4565 }
4566
Michael Chanb6016b72005-05-26 13:03:09 -07004567 written = 0;
4568 while ((written < len32) && (rc == 0)) {
4569 u32 page_start, page_end, data_start, data_end;
4570 u32 addr, cmd_flags;
4571 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07004572
4573 /* Find the page_start addr */
4574 page_start = offset32 + written;
4575 page_start -= (page_start % bp->flash_info->page_size);
4576 /* Find the page_end addr */
4577 page_end = page_start + bp->flash_info->page_size;
4578 /* Find the data_start addr */
4579 data_start = (written == 0) ? offset32 : page_start;
4580 /* Find the data_end addr */
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004581 data_end = (page_end > offset32 + len32) ?
Michael Chanb6016b72005-05-26 13:03:09 -07004582 (offset32 + len32) : page_end;
4583
4584 /* Request access to the flash interface. */
4585 if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
4586 goto nvram_write_end;
4587
4588 /* Enable access to flash interface */
4589 bnx2_enable_nvram_access(bp);
4590
4591 cmd_flags = BNX2_NVM_COMMAND_FIRST;
Michael Chane30372c2007-07-16 18:26:23 -07004592 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004593 int j;
4594
4595 /* Read the whole page into the buffer
4596 * (non-buffer flash only) */
4597 for (j = 0; j < bp->flash_info->page_size; j += 4) {
4598 if (j == (bp->flash_info->page_size - 4)) {
4599 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4600 }
4601 rc = bnx2_nvram_read_dword(bp,
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004602 page_start + j,
4603 &flash_buffer[j],
Michael Chanb6016b72005-05-26 13:03:09 -07004604 cmd_flags);
4605
4606 if (rc)
4607 goto nvram_write_end;
4608
4609 cmd_flags = 0;
4610 }
4611 }
4612
4613 /* Enable writes to flash interface (unlock write-protect) */
4614 if ((rc = bnx2_enable_nvram_write(bp)) != 0)
4615 goto nvram_write_end;
4616
Michael Chanb6016b72005-05-26 13:03:09 -07004617 /* Loop to write back the buffer data from page_start to
4618 * data_start */
4619 i = 0;
Michael Chane30372c2007-07-16 18:26:23 -07004620 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanc8738792007-03-30 14:53:06 -07004621 /* Erase the page */
4622 if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
4623 goto nvram_write_end;
4624
4625 /* Re-enable the write again for the actual write */
4626 bnx2_enable_nvram_write(bp);
4627
Michael Chanb6016b72005-05-26 13:03:09 -07004628 for (addr = page_start; addr < data_start;
4629 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004630
Michael Chanb6016b72005-05-26 13:03:09 -07004631 rc = bnx2_nvram_write_dword(bp, addr,
4632 &flash_buffer[i], cmd_flags);
4633
4634 if (rc != 0)
4635 goto nvram_write_end;
4636
4637 cmd_flags = 0;
4638 }
4639 }
4640
4641 /* Loop to write the new data from data_start to data_end */
Michael Chanbae25762006-05-22 16:38:38 -07004642 for (addr = data_start; addr < data_end; addr += 4, i += 4) {
Michael Chanb6016b72005-05-26 13:03:09 -07004643 if ((addr == page_end - 4) ||
Michael Chane30372c2007-07-16 18:26:23 -07004644 ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
Michael Chanb6016b72005-05-26 13:03:09 -07004645 (addr == data_end - 4))) {
4646
4647 cmd_flags |= BNX2_NVM_COMMAND_LAST;
4648 }
4649 rc = bnx2_nvram_write_dword(bp, addr, buf,
4650 cmd_flags);
4651
4652 if (rc != 0)
4653 goto nvram_write_end;
4654
4655 cmd_flags = 0;
4656 buf += 4;
4657 }
4658
4659 /* Loop to write back the buffer data from data_end
4660 * to page_end */
Michael Chane30372c2007-07-16 18:26:23 -07004661 if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
Michael Chanb6016b72005-05-26 13:03:09 -07004662 for (addr = data_end; addr < page_end;
4663 addr += 4, i += 4) {
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004664
Michael Chanb6016b72005-05-26 13:03:09 -07004665 if (addr == page_end-4) {
4666 cmd_flags = BNX2_NVM_COMMAND_LAST;
4667 }
4668 rc = bnx2_nvram_write_dword(bp, addr,
4669 &flash_buffer[i], cmd_flags);
4670
4671 if (rc != 0)
4672 goto nvram_write_end;
4673
4674 cmd_flags = 0;
4675 }
4676 }
4677
4678 /* Disable writes to flash interface (lock write-protect) */
4679 bnx2_disable_nvram_write(bp);
4680
4681 /* Disable access to flash interface */
4682 bnx2_disable_nvram_access(bp);
4683 bnx2_release_nvram_lock(bp);
4684
4685 /* Increment written */
4686 written += data_end - data_start;
4687 }
4688
4689nvram_write_end:
Michael Chane6be7632007-01-08 19:56:13 -08004690 kfree(flash_buffer);
4691 kfree(align_buf);
Michael Chanb6016b72005-05-26 13:03:09 -07004692 return rc;
4693}
4694
Michael Chan0d8a6572007-07-07 22:49:43 -07004695static void
Michael Chan7c62e832008-07-14 22:39:03 -07004696bnx2_init_fw_cap(struct bnx2 *bp)
Michael Chan0d8a6572007-07-07 22:49:43 -07004697{
Michael Chan7c62e832008-07-14 22:39:03 -07004698 u32 val, sig = 0;
Michael Chan0d8a6572007-07-07 22:49:43 -07004699
Michael Chan583c28e2008-01-21 19:51:35 -08004700 bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan7c62e832008-07-14 22:39:03 -07004701 bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
4702
4703 if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
4704 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
Michael Chan0d8a6572007-07-07 22:49:43 -07004705
Michael Chan2726d6e2008-01-29 21:35:05 -08004706 val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
Michael Chan0d8a6572007-07-07 22:49:43 -07004707 if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
4708 return;
4709
Michael Chan7c62e832008-07-14 22:39:03 -07004710 if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
4711 bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
4712 sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
4713 }
4714
4715 if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
4716 (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
4717 u32 link;
4718
Michael Chan583c28e2008-01-21 19:51:35 -08004719 bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
Michael Chan0d8a6572007-07-07 22:49:43 -07004720
Michael Chan7c62e832008-07-14 22:39:03 -07004721 link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
4722 if (link & BNX2_LINK_STATUS_SERDES_LINK)
Michael Chan0d8a6572007-07-07 22:49:43 -07004723 bp->phy_port = PORT_FIBRE;
4724 else
4725 bp->phy_port = PORT_TP;
Michael Chan489310a2007-10-10 16:16:31 -07004726
Michael Chan7c62e832008-07-14 22:39:03 -07004727 sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
4728 BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
Michael Chan0d8a6572007-07-07 22:49:43 -07004729 }
Michael Chan7c62e832008-07-14 22:39:03 -07004730
4731 if (netif_running(bp->dev) && sig)
4732 bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
Michael Chan0d8a6572007-07-07 22:49:43 -07004733}
4734
Michael Chanb4b36042007-12-20 19:59:30 -08004735static void
4736bnx2_setup_msix_tbl(struct bnx2 *bp)
4737{
Michael Chane503e062012-12-06 10:33:08 +00004738 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
Michael Chanb4b36042007-12-20 19:59:30 -08004739
Michael Chane503e062012-12-06 10:33:08 +00004740 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
4741 BNX2_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
Michael Chanb4b36042007-12-20 19:59:30 -08004742}
4743
Michael Chanb6016b72005-05-26 13:03:09 -07004744static int
4745bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4746{
4747 u32 val;
4748 int i, rc = 0;
Michael Chan489310a2007-10-10 16:16:31 -07004749 u8 old_port;
Michael Chanb6016b72005-05-26 13:03:09 -07004750
4751 /* Wait for the current PCI transaction to complete before
4752 * issuing a reset. */
Michael Chan4ce45e02012-12-06 10:33:10 +00004753 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
4754 (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
Michael Chane503e062012-12-06 10:33:08 +00004755 BNX2_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
4756 BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
4757 BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
4758 BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
4759 BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
4760 val = BNX2_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
Eddie Waia5dac102010-11-24 13:48:54 +00004761 udelay(5);
4762 } else { /* 5709 */
Michael Chane503e062012-12-06 10:33:08 +00004763 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
Eddie Waia5dac102010-11-24 13:48:54 +00004764 val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
Michael Chane503e062012-12-06 10:33:08 +00004765 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
4766 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
Eddie Waia5dac102010-11-24 13:48:54 +00004767
4768 for (i = 0; i < 100; i++) {
4769 msleep(1);
Michael Chane503e062012-12-06 10:33:08 +00004770 val = BNX2_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
Eddie Waia5dac102010-11-24 13:48:54 +00004771 if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
4772 break;
4773 }
4774 }
Michael Chanb6016b72005-05-26 13:03:09 -07004775
Michael Chanb090ae22006-01-23 16:07:10 -08004776 /* Wait for the firmware to tell us it is ok to issue a reset. */
Michael Chana2f13892008-07-14 22:38:23 -07004777 bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
Michael Chanb090ae22006-01-23 16:07:10 -08004778
Michael Chanb6016b72005-05-26 13:03:09 -07004779 /* Deposit a driver reset signature so the firmware knows that
4780 * this is a soft reset. */
Michael Chan2726d6e2008-01-29 21:35:05 -08004781 bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
4782 BNX2_DRV_RESET_SIGNATURE_MAGIC);
Michael Chanb6016b72005-05-26 13:03:09 -07004783
Michael Chanb6016b72005-05-26 13:03:09 -07004784 /* Do a dummy read to force the chip to complete all current transaction
4785 * before we issue a reset. */
Michael Chane503e062012-12-06 10:33:08 +00004786 val = BNX2_RD(bp, BNX2_MISC_ID);
Michael Chanb6016b72005-05-26 13:03:09 -07004787
Michael Chan4ce45e02012-12-06 10:33:10 +00004788 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane503e062012-12-06 10:33:08 +00004789 BNX2_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
4790 BNX2_RD(bp, BNX2_MISC_COMMAND);
Michael Chan234754d2006-11-19 14:11:41 -08004791 udelay(5);
Michael Chanb6016b72005-05-26 13:03:09 -07004792
Michael Chan234754d2006-11-19 14:11:41 -08004793 val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4794 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
Michael Chanb6016b72005-05-26 13:03:09 -07004795
Michael Chane503e062012-12-06 10:33:08 +00004796 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004797
Michael Chan234754d2006-11-19 14:11:41 -08004798 } else {
4799 val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4800 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
4801 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
4802
4803 /* Chip reset. */
Michael Chane503e062012-12-06 10:33:08 +00004804 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
Michael Chan234754d2006-11-19 14:11:41 -08004805
Michael Chan594a9df2007-08-28 15:39:42 -07004806 /* Reading back any register after chip reset will hang the
4807 * bus on 5706 A0 and A1. The msleep below provides plenty
4808 * of margin for write posting.
4809 */
Michael Chan4ce45e02012-12-06 10:33:10 +00004810 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
4811 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1))
Arjan van de Ven8e545882007-08-28 14:34:43 -07004812 msleep(20);
Michael Chanb6016b72005-05-26 13:03:09 -07004813
Michael Chan234754d2006-11-19 14:11:41 -08004814 /* Reset takes approximate 30 usec */
4815 for (i = 0; i < 10; i++) {
Michael Chane503e062012-12-06 10:33:08 +00004816 val = BNX2_RD(bp, BNX2_PCICFG_MISC_CONFIG);
Michael Chan234754d2006-11-19 14:11:41 -08004817 if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4818 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
4819 break;
4820 udelay(10);
4821 }
4822
4823 if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
4824 BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004825 pr_err("Chip reset did not complete\n");
Michael Chan234754d2006-11-19 14:11:41 -08004826 return -EBUSY;
4827 }
Michael Chanb6016b72005-05-26 13:03:09 -07004828 }
4829
4830 /* Make sure byte swapping is properly configured. */
Michael Chane503e062012-12-06 10:33:08 +00004831 val = BNX2_RD(bp, BNX2_PCI_SWAP_DIAG0);
Michael Chanb6016b72005-05-26 13:03:09 -07004832 if (val != 0x01020304) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00004833 pr_err("Chip not in correct endian mode\n");
Michael Chanb6016b72005-05-26 13:03:09 -07004834 return -ENODEV;
4835 }
4836
Michael Chanb6016b72005-05-26 13:03:09 -07004837 /* Wait for the firmware to finish its initialization. */
Michael Chana2f13892008-07-14 22:38:23 -07004838 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
Michael Chanb090ae22006-01-23 16:07:10 -08004839 if (rc)
4840 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07004841
Michael Chan0d8a6572007-07-07 22:49:43 -07004842 spin_lock_bh(&bp->phy_lock);
Michael Chan489310a2007-10-10 16:16:31 -07004843 old_port = bp->phy_port;
Michael Chan7c62e832008-07-14 22:39:03 -07004844 bnx2_init_fw_cap(bp);
Michael Chan583c28e2008-01-21 19:51:35 -08004845 if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
4846 old_port != bp->phy_port)
Michael Chan0d8a6572007-07-07 22:49:43 -07004847 bnx2_set_default_remote_link(bp);
4848 spin_unlock_bh(&bp->phy_lock);
4849
Michael Chan4ce45e02012-12-06 10:33:10 +00004850 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chanb6016b72005-05-26 13:03:09 -07004851 /* Adjust the voltage regular to two steps lower. The default
4852 * of this register is 0x0000000e. */
Michael Chane503e062012-12-06 10:33:08 +00004853 BNX2_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
Michael Chanb6016b72005-05-26 13:03:09 -07004854
4855 /* Remove bad rbuf memory from the free pool. */
4856 rc = bnx2_alloc_bad_rbuf(bp);
4857 }
4858
Michael Chanc441b8d2010-04-27 11:28:09 +00004859 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chanb4b36042007-12-20 19:59:30 -08004860 bnx2_setup_msix_tbl(bp);
Michael Chanc441b8d2010-04-27 11:28:09 +00004861 /* Prevent MSIX table reads and write from timing out */
Michael Chane503e062012-12-06 10:33:08 +00004862 BNX2_WR(bp, BNX2_MISC_ECO_HW_CTL,
Michael Chanc441b8d2010-04-27 11:28:09 +00004863 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4864 }
Michael Chanb4b36042007-12-20 19:59:30 -08004865
Michael Chanb6016b72005-05-26 13:03:09 -07004866 return rc;
4867}
4868
4869static int
4870bnx2_init_chip(struct bnx2 *bp)
4871{
Michael Chand8026d92008-11-12 16:02:20 -08004872 u32 val, mtu;
Michael Chanb4b36042007-12-20 19:59:30 -08004873 int rc, i;
Michael Chanb6016b72005-05-26 13:03:09 -07004874
4875 /* Make sure the interrupt is not active. */
Michael Chane503e062012-12-06 10:33:08 +00004876 BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
Michael Chanb6016b72005-05-26 13:03:09 -07004877
4878 val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
4879 BNX2_DMA_CONFIG_DATA_WORD_SWAP |
4880#ifdef __BIG_ENDIAN
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004881 BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004882#endif
Jeff Garzik6aa20a22006-09-13 13:24:59 -04004883 BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
Michael Chanb6016b72005-05-26 13:03:09 -07004884 DMA_READ_CHANS << 12 |
4885 DMA_WRITE_CHANS << 16;
4886
4887 val |= (0x2 << 20) | (1 << 11);
4888
David S. Millerf86e82f2008-01-21 17:15:40 -08004889 if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
Michael Chanb6016b72005-05-26 13:03:09 -07004890 val |= (1 << 23);
4891
Michael Chan4ce45e02012-12-06 10:33:10 +00004892 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) &&
4893 (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0) &&
4894 !(bp->flags & BNX2_FLAG_PCIX))
Michael Chanb6016b72005-05-26 13:03:09 -07004895 val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
4896
Michael Chane503e062012-12-06 10:33:08 +00004897 BNX2_WR(bp, BNX2_DMA_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004898
Michael Chan4ce45e02012-12-06 10:33:10 +00004899 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chane503e062012-12-06 10:33:08 +00004900 val = BNX2_RD(bp, BNX2_TDMA_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004901 val |= BNX2_TDMA_CONFIG_ONE_DMA;
Michael Chane503e062012-12-06 10:33:08 +00004902 BNX2_WR(bp, BNX2_TDMA_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004903 }
4904
David S. Millerf86e82f2008-01-21 17:15:40 -08004905 if (bp->flags & BNX2_FLAG_PCIX) {
Michael Chanb6016b72005-05-26 13:03:09 -07004906 u16 val16;
4907
4908 pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4909 &val16);
4910 pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
4911 val16 & ~PCI_X_CMD_ERO);
4912 }
4913
Michael Chane503e062012-12-06 10:33:08 +00004914 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
4915 BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
4916 BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
4917 BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07004918
4919 /* Initialize context mapping and zero out the quick contexts. The
4920 * context block must have already been enabled. */
Michael Chan4ce45e02012-12-06 10:33:10 +00004921 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan641bdcd2007-06-04 21:22:24 -07004922 rc = bnx2_init_5709_context(bp);
4923 if (rc)
4924 return rc;
4925 } else
Michael Chan59b47d82006-11-19 14:10:45 -08004926 bnx2_init_context(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07004927
Michael Chanfba9fe92006-06-12 22:21:25 -07004928 if ((rc = bnx2_init_cpus(bp)) != 0)
4929 return rc;
4930
Michael Chanb6016b72005-05-26 13:03:09 -07004931 bnx2_init_nvram(bp);
4932
Benjamin Li5fcaed02008-07-14 22:39:52 -07004933 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07004934
Michael Chane503e062012-12-06 10:33:08 +00004935 val = BNX2_RD(bp, BNX2_MQ_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004936 val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
4937 val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
Michael Chan4ce45e02012-12-06 10:33:10 +00004938 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan4edd4732009-06-08 18:14:42 -07004939 val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
Michael Chan4ce45e02012-12-06 10:33:10 +00004940 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
Michael Chan4edd4732009-06-08 18:14:42 -07004941 val |= BNX2_MQ_CONFIG_HALT_DIS;
4942 }
Michael Chan68c9f752007-04-24 15:35:53 -07004943
Michael Chane503e062012-12-06 10:33:08 +00004944 BNX2_WR(bp, BNX2_MQ_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004945
4946 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
Michael Chane503e062012-12-06 10:33:08 +00004947 BNX2_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
4948 BNX2_WR(bp, BNX2_MQ_KNL_WIND_END, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004949
Michael Chan2bc40782012-12-06 10:33:09 +00004950 val = (BNX2_PAGE_BITS - 8) << 24;
Michael Chane503e062012-12-06 10:33:08 +00004951 BNX2_WR(bp, BNX2_RV2P_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004952
4953 /* Configure page size. */
Michael Chane503e062012-12-06 10:33:08 +00004954 val = BNX2_RD(bp, BNX2_TBDR_CONFIG);
Michael Chanb6016b72005-05-26 13:03:09 -07004955 val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
Michael Chan2bc40782012-12-06 10:33:09 +00004956 val |= (BNX2_PAGE_BITS - 8) << 24 | 0x40;
Michael Chane503e062012-12-06 10:33:08 +00004957 BNX2_WR(bp, BNX2_TBDR_CONFIG, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004958
4959 val = bp->mac_addr[0] +
4960 (bp->mac_addr[1] << 8) +
4961 (bp->mac_addr[2] << 16) +
4962 bp->mac_addr[3] +
4963 (bp->mac_addr[4] << 8) +
4964 (bp->mac_addr[5] << 16);
Michael Chane503e062012-12-06 10:33:08 +00004965 BNX2_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004966
4967 /* Program the MTU. Also include 4 bytes for CRC32. */
Michael Chand8026d92008-11-12 16:02:20 -08004968 mtu = bp->dev->mtu;
4969 val = mtu + ETH_HLEN + ETH_FCS_LEN;
Michael Chanb6016b72005-05-26 13:03:09 -07004970 if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
4971 val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
Michael Chane503e062012-12-06 10:33:08 +00004972 BNX2_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
Michael Chanb6016b72005-05-26 13:03:09 -07004973
Michael Chand8026d92008-11-12 16:02:20 -08004974 if (mtu < 1500)
4975 mtu = 1500;
4976
4977 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
4978 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
4979 bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
4980
Michael Chan155d5562009-08-21 16:20:43 +00004981 memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
Michael Chanb4b36042007-12-20 19:59:30 -08004982 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
4983 bp->bnx2_napi[i].last_status_idx = 0;
4984
Michael Chanefba0182008-12-03 00:36:15 -08004985 bp->idle_chk_status_idx = 0xffff;
4986
Michael Chanb6016b72005-05-26 13:03:09 -07004987 /* Set up how to generate a link change interrupt. */
Michael Chane503e062012-12-06 10:33:08 +00004988 BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
Michael Chanb6016b72005-05-26 13:03:09 -07004989
Michael Chane503e062012-12-06 10:33:08 +00004990 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_L,
4991 (u64) bp->status_blk_mapping & 0xffffffff);
4992 BNX2_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
Michael Chanb6016b72005-05-26 13:03:09 -07004993
Michael Chane503e062012-12-06 10:33:08 +00004994 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
4995 (u64) bp->stats_blk_mapping & 0xffffffff);
4996 BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
4997 (u64) bp->stats_blk_mapping >> 32);
Michael Chanb6016b72005-05-26 13:03:09 -07004998
Michael Chane503e062012-12-06 10:33:08 +00004999 BNX2_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
5000 (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
Michael Chanb6016b72005-05-26 13:03:09 -07005001
Michael Chane503e062012-12-06 10:33:08 +00005002 BNX2_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
5003 (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
Michael Chanb6016b72005-05-26 13:03:09 -07005004
Michael Chane503e062012-12-06 10:33:08 +00005005 BNX2_WR(bp, BNX2_HC_COMP_PROD_TRIP,
5006 (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
Michael Chanb6016b72005-05-26 13:03:09 -07005007
Michael Chane503e062012-12-06 10:33:08 +00005008 BNX2_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005009
Michael Chane503e062012-12-06 10:33:08 +00005010 BNX2_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005011
Michael Chane503e062012-12-06 10:33:08 +00005012 BNX2_WR(bp, BNX2_HC_COM_TICKS,
5013 (bp->com_ticks_int << 16) | bp->com_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005014
Michael Chane503e062012-12-06 10:33:08 +00005015 BNX2_WR(bp, BNX2_HC_CMD_TICKS,
5016 (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
Michael Chanb6016b72005-05-26 13:03:09 -07005017
Michael Chan61d9e3f2009-08-21 16:20:46 +00005018 if (bp->flags & BNX2_FLAG_BROKEN_STATS)
Michael Chane503e062012-12-06 10:33:08 +00005019 BNX2_WR(bp, BNX2_HC_STATS_TICKS, 0);
Michael Chan02537b062007-06-04 21:24:07 -07005020 else
Michael Chane503e062012-12-06 10:33:08 +00005021 BNX2_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
5022 BNX2_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
Michael Chanb6016b72005-05-26 13:03:09 -07005023
Michael Chan4ce45e02012-12-06 10:33:10 +00005024 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)
Michael Chan8e6a72c2007-05-03 13:24:48 -07005025 val = BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07005026 else {
Michael Chan8e6a72c2007-05-03 13:24:48 -07005027 val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
5028 BNX2_HC_CONFIG_COLLECT_STATS;
Michael Chanb6016b72005-05-26 13:03:09 -07005029 }
5030
Michael Chanefde73a2010-02-15 19:42:07 +00005031 if (bp->flags & BNX2_FLAG_USING_MSIX) {
Michael Chane503e062012-12-06 10:33:08 +00005032 BNX2_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
5033 BNX2_HC_MSIX_BIT_VECTOR_VAL);
Michael Chanc76c0472007-12-20 20:01:19 -08005034
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005035 val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
5036 }
5037
5038 if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
Michael Chancf7474a2009-08-21 16:20:48 +00005039 val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005040
Michael Chane503e062012-12-06 10:33:08 +00005041 BNX2_WR(bp, BNX2_HC_CONFIG, val);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005042
Michael Chan22fa1592010-10-11 16:12:00 -07005043 if (bp->rx_ticks < 25)
5044 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
5045 else
5046 bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
5047
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005048 for (i = 1; i < bp->irq_nvecs; i++) {
5049 u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
5050 BNX2_HC_SB_CONFIG_1;
5051
Michael Chane503e062012-12-06 10:33:08 +00005052 BNX2_WR(bp, base,
Michael Chanc76c0472007-12-20 20:01:19 -08005053 BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005054 BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
Michael Chanc76c0472007-12-20 20:01:19 -08005055 BNX2_HC_SB_CONFIG_1_ONE_SHOT);
5056
Michael Chane503e062012-12-06 10:33:08 +00005057 BNX2_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08005058 (bp->tx_quick_cons_trip_int << 16) |
5059 bp->tx_quick_cons_trip);
5060
Michael Chane503e062012-12-06 10:33:08 +00005061 BNX2_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
Michael Chanc76c0472007-12-20 20:01:19 -08005062 (bp->tx_ticks_int << 16) | bp->tx_ticks);
5063
Michael Chane503e062012-12-06 10:33:08 +00005064 BNX2_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
5065 (bp->rx_quick_cons_trip_int << 16) |
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005066 bp->rx_quick_cons_trip);
5067
Michael Chane503e062012-12-06 10:33:08 +00005068 BNX2_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005069 (bp->rx_ticks_int << 16) | bp->rx_ticks);
Michael Chanc76c0472007-12-20 20:01:19 -08005070 }
5071
Michael Chanb6016b72005-05-26 13:03:09 -07005072 /* Clear internal stats counters. */
Michael Chane503e062012-12-06 10:33:08 +00005073 BNX2_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
Michael Chanb6016b72005-05-26 13:03:09 -07005074
Michael Chane503e062012-12-06 10:33:08 +00005075 BNX2_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
Michael Chanb6016b72005-05-26 13:03:09 -07005076
5077 /* Initialize the receive filter. */
5078 bnx2_set_rx_mode(bp->dev);
5079
Michael Chan4ce45e02012-12-06 10:33:10 +00005080 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane503e062012-12-06 10:33:08 +00005081 val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
Michael Chan0aa38df2007-06-04 21:23:06 -07005082 val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
Michael Chane503e062012-12-06 10:33:08 +00005083 BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
Michael Chan0aa38df2007-06-04 21:23:06 -07005084 }
Michael Chanb090ae22006-01-23 16:07:10 -08005085 rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
Michael Chana2f13892008-07-14 22:38:23 -07005086 1, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07005087
Michael Chane503e062012-12-06 10:33:08 +00005088 BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
5089 BNX2_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
Michael Chanb6016b72005-05-26 13:03:09 -07005090
5091 udelay(20);
5092
Michael Chane503e062012-12-06 10:33:08 +00005093 bp->hc_cmd = BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanbf5295b2006-03-23 01:11:56 -08005094
Michael Chanb090ae22006-01-23 16:07:10 -08005095 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07005096}
5097
Michael Chan59b47d82006-11-19 14:10:45 -08005098static void
Michael Chanc76c0472007-12-20 20:01:19 -08005099bnx2_clear_ring_states(struct bnx2 *bp)
5100{
5101 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005102 struct bnx2_tx_ring_info *txr;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005103 struct bnx2_rx_ring_info *rxr;
Michael Chanc76c0472007-12-20 20:01:19 -08005104 int i;
5105
5106 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
5107 bnapi = &bp->bnx2_napi[i];
Michael Chan35e90102008-06-19 16:37:42 -07005108 txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005109 rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005110
Michael Chan35e90102008-06-19 16:37:42 -07005111 txr->tx_cons = 0;
5112 txr->hw_tx_cons = 0;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005113 rxr->rx_prod_bseq = 0;
5114 rxr->rx_prod = 0;
5115 rxr->rx_cons = 0;
5116 rxr->rx_pg_prod = 0;
5117 rxr->rx_pg_cons = 0;
Michael Chanc76c0472007-12-20 20:01:19 -08005118 }
5119}
5120
5121static void
Michael Chan35e90102008-06-19 16:37:42 -07005122bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
Michael Chan59b47d82006-11-19 14:10:45 -08005123{
5124 u32 val, offset0, offset1, offset2, offset3;
Michael Chan62a83132008-01-29 21:35:40 -08005125 u32 cid_addr = GET_CID_ADDR(cid);
Michael Chan59b47d82006-11-19 14:10:45 -08005126
Michael Chan4ce45e02012-12-06 10:33:10 +00005127 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chan59b47d82006-11-19 14:10:45 -08005128 offset0 = BNX2_L2CTX_TYPE_XI;
5129 offset1 = BNX2_L2CTX_CMD_TYPE_XI;
5130 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
5131 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
5132 } else {
5133 offset0 = BNX2_L2CTX_TYPE;
5134 offset1 = BNX2_L2CTX_CMD_TYPE;
5135 offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
5136 offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
5137 }
5138 val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
Michael Chan62a83132008-01-29 21:35:40 -08005139 bnx2_ctx_wr(bp, cid_addr, offset0, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005140
5141 val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
Michael Chan62a83132008-01-29 21:35:40 -08005142 bnx2_ctx_wr(bp, cid_addr, offset1, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005143
Michael Chan35e90102008-06-19 16:37:42 -07005144 val = (u64) txr->tx_desc_mapping >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005145 bnx2_ctx_wr(bp, cid_addr, offset2, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005146
Michael Chan35e90102008-06-19 16:37:42 -07005147 val = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005148 bnx2_ctx_wr(bp, cid_addr, offset3, val);
Michael Chan59b47d82006-11-19 14:10:45 -08005149}
Michael Chanb6016b72005-05-26 13:03:09 -07005150
5151static void
Michael Chan35e90102008-06-19 16:37:42 -07005152bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
Michael Chanb6016b72005-05-26 13:03:09 -07005153{
Michael Chan2bc40782012-12-06 10:33:09 +00005154 struct bnx2_tx_bd *txbd;
Michael Chanc76c0472007-12-20 20:01:19 -08005155 u32 cid = TX_CID;
5156 struct bnx2_napi *bnapi;
Michael Chan35e90102008-06-19 16:37:42 -07005157 struct bnx2_tx_ring_info *txr;
Michael Chanc76c0472007-12-20 20:01:19 -08005158
Michael Chan35e90102008-06-19 16:37:42 -07005159 bnapi = &bp->bnx2_napi[ring_num];
5160 txr = &bnapi->tx_ring;
5161
5162 if (ring_num == 0)
5163 cid = TX_CID;
5164 else
5165 cid = TX_TSS_CID + ring_num - 1;
Michael Chanb6016b72005-05-26 13:03:09 -07005166
Michael Chan2f8af122006-08-15 01:39:10 -07005167 bp->tx_wake_thresh = bp->tx_ring_size / 2;
5168
Michael Chan2bc40782012-12-06 10:33:09 +00005169 txbd = &txr->tx_desc_ring[BNX2_MAX_TX_DESC_CNT];
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005170
Michael Chan35e90102008-06-19 16:37:42 -07005171 txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
5172 txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
Michael Chanb6016b72005-05-26 13:03:09 -07005173
Michael Chan35e90102008-06-19 16:37:42 -07005174 txr->tx_prod = 0;
5175 txr->tx_prod_bseq = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005176
Michael Chan35e90102008-06-19 16:37:42 -07005177 txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
5178 txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
Michael Chanb6016b72005-05-26 13:03:09 -07005179
Michael Chan35e90102008-06-19 16:37:42 -07005180 bnx2_init_tx_context(bp, cid, txr);
Michael Chanb6016b72005-05-26 13:03:09 -07005181}
5182
5183static void
Michael Chan2bc40782012-12-06 10:33:09 +00005184bnx2_init_rxbd_rings(struct bnx2_rx_bd *rx_ring[], dma_addr_t dma[],
5185 u32 buf_size, int num_rings)
Michael Chanb6016b72005-05-26 13:03:09 -07005186{
Michael Chanb6016b72005-05-26 13:03:09 -07005187 int i;
Michael Chan2bc40782012-12-06 10:33:09 +00005188 struct bnx2_rx_bd *rxbd;
Michael Chanb6016b72005-05-26 13:03:09 -07005189
Michael Chan5d5d0012007-12-12 11:17:43 -08005190 for (i = 0; i < num_rings; i++) {
Michael Chan13daffa2006-03-20 17:49:20 -08005191 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005192
Michael Chan5d5d0012007-12-12 11:17:43 -08005193 rxbd = &rx_ring[i][0];
Michael Chan2bc40782012-12-06 10:33:09 +00005194 for (j = 0; j < BNX2_MAX_RX_DESC_CNT; j++, rxbd++) {
Michael Chan5d5d0012007-12-12 11:17:43 -08005195 rxbd->rx_bd_len = buf_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005196 rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
5197 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005198 if (i == (num_rings - 1))
Michael Chan13daffa2006-03-20 17:49:20 -08005199 j = 0;
5200 else
5201 j = i + 1;
Michael Chan5d5d0012007-12-12 11:17:43 -08005202 rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
5203 rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
Michael Chan13daffa2006-03-20 17:49:20 -08005204 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005205}
5206
5207static void
Michael Chanbb4f98a2008-06-19 16:38:19 -07005208bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
Michael Chan5d5d0012007-12-12 11:17:43 -08005209{
5210 int i;
5211 u16 prod, ring_prod;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005212 u32 cid, rx_cid_addr, val;
5213 struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
5214 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chan5d5d0012007-12-12 11:17:43 -08005215
Michael Chanbb4f98a2008-06-19 16:38:19 -07005216 if (ring_num == 0)
5217 cid = RX_CID;
5218 else
5219 cid = RX_RSS_CID + ring_num - 1;
5220
5221 rx_cid_addr = GET_CID_ADDR(cid);
5222
5223 bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
Michael Chan5d5d0012007-12-12 11:17:43 -08005224 bp->rx_buf_use_size, bp->rx_max_ring);
5225
Michael Chanbb4f98a2008-06-19 16:38:19 -07005226 bnx2_init_rx_context(bp, cid);
Michael Chan83e3fc82008-01-29 21:37:17 -08005227
Michael Chan4ce45e02012-12-06 10:33:10 +00005228 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Michael Chane503e062012-12-06 10:33:08 +00005229 val = BNX2_RD(bp, BNX2_MQ_MAP_L2_5);
5230 BNX2_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
Michael Chan83e3fc82008-01-29 21:37:17 -08005231 }
5232
Michael Chan62a83132008-01-29 21:35:40 -08005233 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
Michael Chan47bf4242007-12-12 11:19:12 -08005234 if (bp->rx_pg_ring_size) {
Michael Chanbb4f98a2008-06-19 16:38:19 -07005235 bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
5236 rxr->rx_pg_desc_mapping,
Michael Chan47bf4242007-12-12 11:19:12 -08005237 PAGE_SIZE, bp->rx_max_pg_ring);
5238 val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
Michael Chan62a83132008-01-29 21:35:40 -08005239 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
5240 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005241 BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
Michael Chan47bf4242007-12-12 11:19:12 -08005242
Michael Chanbb4f98a2008-06-19 16:38:19 -07005243 val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005244 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005245
Michael Chanbb4f98a2008-06-19 16:38:19 -07005246 val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005247 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
Michael Chan47bf4242007-12-12 11:19:12 -08005248
Michael Chan4ce45e02012-12-06 10:33:10 +00005249 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chane503e062012-12-06 10:33:08 +00005250 BNX2_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
Michael Chan47bf4242007-12-12 11:19:12 -08005251 }
Michael Chanb6016b72005-05-26 13:03:09 -07005252
Michael Chanbb4f98a2008-06-19 16:38:19 -07005253 val = (u64) rxr->rx_desc_mapping[0] >> 32;
Michael Chan62a83132008-01-29 21:35:40 -08005254 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005255
Michael Chanbb4f98a2008-06-19 16:38:19 -07005256 val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
Michael Chan62a83132008-01-29 21:35:40 -08005257 bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
Michael Chanb6016b72005-05-26 13:03:09 -07005258
Michael Chanbb4f98a2008-06-19 16:38:19 -07005259 ring_prod = prod = rxr->rx_pg_prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005260 for (i = 0; i < bp->rx_pg_ring_size; i++) {
Stanislaw Gruszkaa2df00a2010-07-15 22:55:40 +00005261 if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005262 netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
5263 ring_num, i, bp->rx_pg_ring_size);
Michael Chan47bf4242007-12-12 11:19:12 -08005264 break;
Michael Chanb929e532009-12-03 09:46:33 +00005265 }
Michael Chan2bc40782012-12-06 10:33:09 +00005266 prod = BNX2_NEXT_RX_BD(prod);
5267 ring_prod = BNX2_RX_PG_RING_IDX(prod);
Michael Chan47bf4242007-12-12 11:19:12 -08005268 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005269 rxr->rx_pg_prod = prod;
Michael Chan47bf4242007-12-12 11:19:12 -08005270
Michael Chanbb4f98a2008-06-19 16:38:19 -07005271 ring_prod = prod = rxr->rx_prod;
Michael Chan236b6392006-03-20 17:49:02 -08005272 for (i = 0; i < bp->rx_ring_size; i++) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005273 if (bnx2_alloc_rx_data(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00005274 netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
5275 ring_num, i, bp->rx_ring_size);
Michael Chanb6016b72005-05-26 13:03:09 -07005276 break;
Michael Chanb929e532009-12-03 09:46:33 +00005277 }
Michael Chan2bc40782012-12-06 10:33:09 +00005278 prod = BNX2_NEXT_RX_BD(prod);
5279 ring_prod = BNX2_RX_RING_IDX(prod);
Michael Chanb6016b72005-05-26 13:03:09 -07005280 }
Michael Chanbb4f98a2008-06-19 16:38:19 -07005281 rxr->rx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07005282
Michael Chanbb4f98a2008-06-19 16:38:19 -07005283 rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
5284 rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
5285 rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
Michael Chanb6016b72005-05-26 13:03:09 -07005286
Michael Chane503e062012-12-06 10:33:08 +00005287 BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
5288 BNX2_WR16(bp, rxr->rx_bidx_addr, prod);
Michael Chanbb4f98a2008-06-19 16:38:19 -07005289
Michael Chane503e062012-12-06 10:33:08 +00005290 BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005291}
5292
Michael Chan35e90102008-06-19 16:37:42 -07005293static void
5294bnx2_init_all_rings(struct bnx2 *bp)
5295{
5296 int i;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005297 u32 val;
Michael Chan35e90102008-06-19 16:37:42 -07005298
5299 bnx2_clear_ring_states(bp);
5300
Michael Chane503e062012-12-06 10:33:08 +00005301 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, 0);
Michael Chan35e90102008-06-19 16:37:42 -07005302 for (i = 0; i < bp->num_tx_rings; i++)
5303 bnx2_init_tx_ring(bp, i);
5304
5305 if (bp->num_tx_rings > 1)
Michael Chane503e062012-12-06 10:33:08 +00005306 BNX2_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
5307 (TX_TSS_CID << 7));
Michael Chan35e90102008-06-19 16:37:42 -07005308
Michael Chane503e062012-12-06 10:33:08 +00005309 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005310 bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
5311
Michael Chanbb4f98a2008-06-19 16:38:19 -07005312 for (i = 0; i < bp->num_rx_rings; i++)
5313 bnx2_init_rx_ring(bp, i);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005314
5315 if (bp->num_rx_rings > 1) {
Michael Chan22fa1592010-10-11 16:12:00 -07005316 u32 tbl_32 = 0;
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005317
5318 for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
Michael Chan22fa1592010-10-11 16:12:00 -07005319 int shift = (i % 8) << 2;
5320
5321 tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
5322 if ((i % 8) == 7) {
Michael Chane503e062012-12-06 10:33:08 +00005323 BNX2_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
5324 BNX2_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
Michael Chan22fa1592010-10-11 16:12:00 -07005325 BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
5326 BNX2_RLUP_RSS_COMMAND_WRITE |
5327 BNX2_RLUP_RSS_COMMAND_HASH_MASK);
5328 tbl_32 = 0;
5329 }
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005330 }
5331
5332 val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
5333 BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
5334
Michael Chane503e062012-12-06 10:33:08 +00005335 BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07005336
5337 }
Michael Chan35e90102008-06-19 16:37:42 -07005338}
5339
Michael Chan5d5d0012007-12-12 11:17:43 -08005340static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
Michael Chan13daffa2006-03-20 17:49:20 -08005341{
Michael Chan5d5d0012007-12-12 11:17:43 -08005342 u32 max, num_rings = 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005343
Michael Chan2bc40782012-12-06 10:33:09 +00005344 while (ring_size > BNX2_MAX_RX_DESC_CNT) {
5345 ring_size -= BNX2_MAX_RX_DESC_CNT;
Michael Chan13daffa2006-03-20 17:49:20 -08005346 num_rings++;
5347 }
5348 /* round to next power of 2 */
Michael Chan5d5d0012007-12-12 11:17:43 -08005349 max = max_size;
Michael Chan13daffa2006-03-20 17:49:20 -08005350 while ((max & num_rings) == 0)
5351 max >>= 1;
5352
5353 if (num_rings != max)
5354 max <<= 1;
5355
Michael Chan5d5d0012007-12-12 11:17:43 -08005356 return max;
5357}
5358
5359static void
5360bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
5361{
Michael Chan84eaa182007-12-12 11:19:57 -08005362 u32 rx_size, rx_space, jumbo_size;
Michael Chan5d5d0012007-12-12 11:17:43 -08005363
5364 /* 8 for CRC and VLAN */
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005365 rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
Michael Chan5d5d0012007-12-12 11:17:43 -08005366
Michael Chan84eaa182007-12-12 11:19:57 -08005367 rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005368 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
Michael Chan84eaa182007-12-12 11:19:57 -08005369
Benjamin Li601d3d12008-05-16 22:19:35 -07005370 bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
Michael Chan47bf4242007-12-12 11:19:12 -08005371 bp->rx_pg_ring_size = 0;
5372 bp->rx_max_pg_ring = 0;
5373 bp->rx_max_pg_ring_idx = 0;
David S. Millerf86e82f2008-01-21 17:15:40 -08005374 if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
Michael Chan84eaa182007-12-12 11:19:57 -08005375 int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
5376
5377 jumbo_size = size * pages;
Michael Chan2bc40782012-12-06 10:33:09 +00005378 if (jumbo_size > BNX2_MAX_TOTAL_RX_PG_DESC_CNT)
5379 jumbo_size = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chan84eaa182007-12-12 11:19:57 -08005380
5381 bp->rx_pg_ring_size = jumbo_size;
5382 bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
Michael Chan2bc40782012-12-06 10:33:09 +00005383 BNX2_MAX_RX_PG_RINGS);
5384 bp->rx_max_pg_ring_idx =
5385 (bp->rx_max_pg_ring * BNX2_RX_DESC_CNT) - 1;
Benjamin Li601d3d12008-05-16 22:19:35 -07005386 rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
Michael Chan84eaa182007-12-12 11:19:57 -08005387 bp->rx_copy_thresh = 0;
5388 }
Michael Chan5d5d0012007-12-12 11:17:43 -08005389
5390 bp->rx_buf_use_size = rx_size;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005391 /* hw alignment + build_skb() overhead*/
5392 bp->rx_buf_size = SKB_DATA_ALIGN(bp->rx_buf_use_size + BNX2_RX_ALIGN) +
5393 NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
Benjamin Lid89cb6a2008-05-16 22:18:57 -07005394 bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
Michael Chan5d5d0012007-12-12 11:17:43 -08005395 bp->rx_ring_size = size;
Michael Chan2bc40782012-12-06 10:33:09 +00005396 bp->rx_max_ring = bnx2_find_max_ring(size, BNX2_MAX_RX_RINGS);
5397 bp->rx_max_ring_idx = (bp->rx_max_ring * BNX2_RX_DESC_CNT) - 1;
Michael Chan13daffa2006-03-20 17:49:20 -08005398}
5399
5400static void
Michael Chanb6016b72005-05-26 13:03:09 -07005401bnx2_free_tx_skbs(struct bnx2 *bp)
5402{
5403 int i;
5404
Michael Chan35e90102008-06-19 16:37:42 -07005405 for (i = 0; i < bp->num_tx_rings; i++) {
5406 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5407 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
5408 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005409
Michael Chan35e90102008-06-19 16:37:42 -07005410 if (txr->tx_buf_ring == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07005411 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005412
Michael Chan2bc40782012-12-06 10:33:09 +00005413 for (j = 0; j < BNX2_TX_DESC_CNT; ) {
5414 struct bnx2_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
Michael Chan35e90102008-06-19 16:37:42 -07005415 struct sk_buff *skb = tx_buf->skb;
Alexander Duycke95524a2009-12-02 16:47:57 +00005416 int k, last;
Michael Chan35e90102008-06-19 16:37:42 -07005417
5418 if (skb == NULL) {
Michael Chan2bc40782012-12-06 10:33:09 +00005419 j = BNX2_NEXT_TX_BD(j);
Michael Chan35e90102008-06-19 16:37:42 -07005420 continue;
5421 }
5422
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005423 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005424 dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00005425 skb_headlen(skb),
5426 PCI_DMA_TODEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005427
Michael Chan35e90102008-06-19 16:37:42 -07005428 tx_buf->skb = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07005429
Alexander Duycke95524a2009-12-02 16:47:57 +00005430 last = tx_buf->nr_frags;
Michael Chan2bc40782012-12-06 10:33:09 +00005431 j = BNX2_NEXT_TX_BD(j);
5432 for (k = 0; k < last; k++, j = BNX2_NEXT_TX_BD(j)) {
5433 tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(j)];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005434 dma_unmap_page(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005435 dma_unmap_addr(tx_buf, mapping),
Eric Dumazet9e903e02011-10-18 21:00:24 +00005436 skb_frag_size(&skb_shinfo(skb)->frags[k]),
Alexander Duycke95524a2009-12-02 16:47:57 +00005437 PCI_DMA_TODEVICE);
5438 }
Michael Chan35e90102008-06-19 16:37:42 -07005439 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005440 }
Eric Dumazete9831902011-11-29 11:53:05 +00005441 netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
Michael Chanb6016b72005-05-26 13:03:09 -07005442 }
Michael Chanb6016b72005-05-26 13:03:09 -07005443}
5444
5445static void
5446bnx2_free_rx_skbs(struct bnx2 *bp)
5447{
5448 int i;
5449
Michael Chanbb4f98a2008-06-19 16:38:19 -07005450 for (i = 0; i < bp->num_rx_rings; i++) {
5451 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
5452 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
5453 int j;
Michael Chanb6016b72005-05-26 13:03:09 -07005454
Michael Chanbb4f98a2008-06-19 16:38:19 -07005455 if (rxr->rx_buf_ring == NULL)
5456 return;
Michael Chanb6016b72005-05-26 13:03:09 -07005457
Michael Chanbb4f98a2008-06-19 16:38:19 -07005458 for (j = 0; j < bp->rx_max_ring_idx; j++) {
Michael Chan2bc40782012-12-06 10:33:09 +00005459 struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[j];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005460 u8 *data = rx_buf->data;
Michael Chanb6016b72005-05-26 13:03:09 -07005461
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005462 if (data == NULL)
Michael Chanbb4f98a2008-06-19 16:38:19 -07005463 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005464
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005465 dma_unmap_single(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005466 dma_unmap_addr(rx_buf, mapping),
Michael Chanbb4f98a2008-06-19 16:38:19 -07005467 bp->rx_buf_use_size,
5468 PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005469
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005470 rx_buf->data = NULL;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005471
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005472 kfree(data);
Michael Chanbb4f98a2008-06-19 16:38:19 -07005473 }
5474 for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
5475 bnx2_free_rx_page(bp, rxr, j);
Michael Chanb6016b72005-05-26 13:03:09 -07005476 }
5477}
5478
5479static void
5480bnx2_free_skbs(struct bnx2 *bp)
5481{
5482 bnx2_free_tx_skbs(bp);
5483 bnx2_free_rx_skbs(bp);
5484}
5485
5486static int
5487bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
5488{
5489 int rc;
5490
5491 rc = bnx2_reset_chip(bp, reset_code);
5492 bnx2_free_skbs(bp);
5493 if (rc)
5494 return rc;
5495
Michael Chanfba9fe92006-06-12 22:21:25 -07005496 if ((rc = bnx2_init_chip(bp)) != 0)
5497 return rc;
5498
Michael Chan35e90102008-06-19 16:37:42 -07005499 bnx2_init_all_rings(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07005500 return 0;
5501}
5502
5503static int
Michael Chan9a120bc2008-05-16 22:17:45 -07005504bnx2_init_nic(struct bnx2 *bp, int reset_phy)
Michael Chanb6016b72005-05-26 13:03:09 -07005505{
5506 int rc;
5507
5508 if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
5509 return rc;
5510
Michael Chan80be4432006-11-19 14:07:28 -08005511 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005512 bnx2_init_phy(bp, reset_phy);
Michael Chanb6016b72005-05-26 13:03:09 -07005513 bnx2_set_link(bp);
Michael Chan543a8272008-05-02 16:56:44 -07005514 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
5515 bnx2_remote_phy_event(bp);
Michael Chan0d8a6572007-07-07 22:49:43 -07005516 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07005517 return 0;
5518}
5519
5520static int
Michael Chan74bf4ba2008-10-09 12:21:08 -07005521bnx2_shutdown_chip(struct bnx2 *bp)
5522{
5523 u32 reset_code;
5524
5525 if (bp->flags & BNX2_FLAG_NO_WOL)
5526 reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
5527 else if (bp->wol)
5528 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
5529 else
5530 reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
5531
5532 return bnx2_reset_chip(bp, reset_code);
5533}
5534
5535static int
Michael Chanb6016b72005-05-26 13:03:09 -07005536bnx2_test_registers(struct bnx2 *bp)
5537{
5538 int ret;
Michael Chan5bae30c2007-05-03 13:18:46 -07005539 int i, is_5709;
Arjan van de Venf71e1302006-03-03 21:33:57 -05005540 static const struct {
Michael Chanb6016b72005-05-26 13:03:09 -07005541 u16 offset;
5542 u16 flags;
Michael Chan5bae30c2007-05-03 13:18:46 -07005543#define BNX2_FL_NOT_5709 1
Michael Chanb6016b72005-05-26 13:03:09 -07005544 u32 rw_mask;
5545 u32 ro_mask;
5546 } reg_tbl[] = {
5547 { 0x006c, 0, 0x00000000, 0x0000003f },
5548 { 0x0090, 0, 0xffffffff, 0x00000000 },
5549 { 0x0094, 0, 0x00000000, 0x00000000 },
5550
Michael Chan5bae30c2007-05-03 13:18:46 -07005551 { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
5552 { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5553 { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5554 { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
5555 { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
5556 { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5557 { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
5558 { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5559 { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
Michael Chanb6016b72005-05-26 13:03:09 -07005560
Michael Chan5bae30c2007-05-03 13:18:46 -07005561 { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5562 { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
5563 { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5564 { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5565 { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
5566 { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
Michael Chanb6016b72005-05-26 13:03:09 -07005567
Michael Chan5bae30c2007-05-03 13:18:46 -07005568 { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
5569 { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
5570 { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005571
5572 { 0x1000, 0, 0x00000000, 0x00000001 },
Michael Chan15b169c2008-05-02 16:57:08 -07005573 { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
Michael Chanb6016b72005-05-26 13:03:09 -07005574
5575 { 0x1408, 0, 0x01c00800, 0x00000000 },
5576 { 0x149c, 0, 0x8000ffff, 0x00000000 },
5577 { 0x14a8, 0, 0x00000000, 0x000001ff },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005578 { 0x14ac, 0, 0x0fffffff, 0x10000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005579 { 0x14b0, 0, 0x00000002, 0x00000001 },
5580 { 0x14b8, 0, 0x00000000, 0x00000000 },
5581 { 0x14c0, 0, 0x00000000, 0x00000009 },
5582 { 0x14c4, 0, 0x00003fff, 0x00000000 },
5583 { 0x14cc, 0, 0x00000000, 0x00000001 },
5584 { 0x14d0, 0, 0xffffffff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005585
5586 { 0x1800, 0, 0x00000000, 0x00000001 },
5587 { 0x1804, 0, 0x00000000, 0x00000003 },
Michael Chanb6016b72005-05-26 13:03:09 -07005588
5589 { 0x2800, 0, 0x00000000, 0x00000001 },
5590 { 0x2804, 0, 0x00000000, 0x00003f01 },
5591 { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
5592 { 0x2810, 0, 0xffff0000, 0x00000000 },
5593 { 0x2814, 0, 0xffff0000, 0x00000000 },
5594 { 0x2818, 0, 0xffff0000, 0x00000000 },
5595 { 0x281c, 0, 0xffff0000, 0x00000000 },
5596 { 0x2834, 0, 0xffffffff, 0x00000000 },
5597 { 0x2840, 0, 0x00000000, 0xffffffff },
5598 { 0x2844, 0, 0x00000000, 0xffffffff },
5599 { 0x2848, 0, 0xffffffff, 0x00000000 },
5600 { 0x284c, 0, 0xf800f800, 0x07ff07ff },
5601
5602 { 0x2c00, 0, 0x00000000, 0x00000011 },
5603 { 0x2c04, 0, 0x00000000, 0x00030007 },
5604
Michael Chanb6016b72005-05-26 13:03:09 -07005605 { 0x3c00, 0, 0x00000000, 0x00000001 },
5606 { 0x3c04, 0, 0x00000000, 0x00070000 },
5607 { 0x3c08, 0, 0x00007f71, 0x07f00000 },
5608 { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
5609 { 0x3c10, 0, 0xffffffff, 0x00000000 },
5610 { 0x3c14, 0, 0x00000000, 0xffffffff },
5611 { 0x3c18, 0, 0x00000000, 0xffffffff },
5612 { 0x3c1c, 0, 0xfffff000, 0x00000000 },
5613 { 0x3c20, 0, 0xffffff00, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005614
5615 { 0x5004, 0, 0x00000000, 0x0000007f },
5616 { 0x5008, 0, 0x0f0007ff, 0x00000000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005617
Michael Chanb6016b72005-05-26 13:03:09 -07005618 { 0x5c00, 0, 0x00000000, 0x00000001 },
5619 { 0x5c04, 0, 0x00000000, 0x0003000f },
5620 { 0x5c08, 0, 0x00000003, 0x00000000 },
5621 { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
5622 { 0x5c10, 0, 0x00000000, 0xffffffff },
5623 { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
5624 { 0x5c84, 0, 0x00000000, 0x0000f333 },
5625 { 0x5c88, 0, 0x00000000, 0x00077373 },
5626 { 0x5c8c, 0, 0x00000000, 0x0007f737 },
5627
5628 { 0x6808, 0, 0x0000ff7f, 0x00000000 },
5629 { 0x680c, 0, 0xffffffff, 0x00000000 },
5630 { 0x6810, 0, 0xffffffff, 0x00000000 },
5631 { 0x6814, 0, 0xffffffff, 0x00000000 },
5632 { 0x6818, 0, 0xffffffff, 0x00000000 },
5633 { 0x681c, 0, 0xffffffff, 0x00000000 },
5634 { 0x6820, 0, 0x00ff00ff, 0x00000000 },
5635 { 0x6824, 0, 0x00ff00ff, 0x00000000 },
5636 { 0x6828, 0, 0x00ff00ff, 0x00000000 },
5637 { 0x682c, 0, 0x03ff03ff, 0x00000000 },
5638 { 0x6830, 0, 0x03ff03ff, 0x00000000 },
5639 { 0x6834, 0, 0x03ff03ff, 0x00000000 },
5640 { 0x6838, 0, 0x03ff03ff, 0x00000000 },
5641 { 0x683c, 0, 0x0000ffff, 0x00000000 },
5642 { 0x6840, 0, 0x00000ff0, 0x00000000 },
5643 { 0x6844, 0, 0x00ffff00, 0x00000000 },
5644 { 0x684c, 0, 0xffffffff, 0x00000000 },
5645 { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
5646 { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
5647 { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
5648 { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
5649 { 0x6908, 0, 0x00000000, 0x0001ff0f },
5650 { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
5651
5652 { 0xffff, 0, 0x00000000, 0x00000000 },
5653 };
5654
5655 ret = 0;
Michael Chan5bae30c2007-05-03 13:18:46 -07005656 is_5709 = 0;
Michael Chan4ce45e02012-12-06 10:33:10 +00005657 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan5bae30c2007-05-03 13:18:46 -07005658 is_5709 = 1;
5659
Michael Chanb6016b72005-05-26 13:03:09 -07005660 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
5661 u32 offset, rw_mask, ro_mask, save_val, val;
Michael Chan5bae30c2007-05-03 13:18:46 -07005662 u16 flags = reg_tbl[i].flags;
5663
5664 if (is_5709 && (flags & BNX2_FL_NOT_5709))
5665 continue;
Michael Chanb6016b72005-05-26 13:03:09 -07005666
5667 offset = (u32) reg_tbl[i].offset;
5668 rw_mask = reg_tbl[i].rw_mask;
5669 ro_mask = reg_tbl[i].ro_mask;
5670
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005671 save_val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005672
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005673 writel(0, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005674
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005675 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005676 if ((val & rw_mask) != 0) {
5677 goto reg_test_err;
5678 }
5679
5680 if ((val & ro_mask) != (save_val & ro_mask)) {
5681 goto reg_test_err;
5682 }
5683
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005684 writel(0xffffffff, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005685
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005686 val = readl(bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005687 if ((val & rw_mask) != rw_mask) {
5688 goto reg_test_err;
5689 }
5690
5691 if ((val & ro_mask) != (save_val & ro_mask)) {
5692 goto reg_test_err;
5693 }
5694
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005695 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005696 continue;
5697
5698reg_test_err:
Peter Hagervall14ab9b82005-08-10 14:18:16 -07005699 writel(save_val, bp->regview + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07005700 ret = -ENODEV;
5701 break;
5702 }
5703 return ret;
5704}
5705
5706static int
5707bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
5708{
Arjan van de Venf71e1302006-03-03 21:33:57 -05005709 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
Michael Chanb6016b72005-05-26 13:03:09 -07005710 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
5711 int i;
5712
5713 for (i = 0; i < sizeof(test_pattern) / 4; i++) {
5714 u32 offset;
5715
5716 for (offset = 0; offset < size; offset += 4) {
5717
Michael Chan2726d6e2008-01-29 21:35:05 -08005718 bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
Michael Chanb6016b72005-05-26 13:03:09 -07005719
Michael Chan2726d6e2008-01-29 21:35:05 -08005720 if (bnx2_reg_rd_ind(bp, start + offset) !=
Michael Chanb6016b72005-05-26 13:03:09 -07005721 test_pattern[i]) {
5722 return -ENODEV;
5723 }
5724 }
5725 }
5726 return 0;
5727}
5728
5729static int
5730bnx2_test_memory(struct bnx2 *bp)
5731{
5732 int ret = 0;
5733 int i;
Michael Chan5bae30c2007-05-03 13:18:46 -07005734 static struct mem_entry {
Michael Chanb6016b72005-05-26 13:03:09 -07005735 u32 offset;
5736 u32 len;
Michael Chan5bae30c2007-05-03 13:18:46 -07005737 } mem_tbl_5706[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07005738 { 0x60000, 0x4000 },
Michael Chan5b0c76a2005-11-04 08:45:49 -08005739 { 0xa0000, 0x3000 },
Michael Chanb6016b72005-05-26 13:03:09 -07005740 { 0xe0000, 0x4000 },
5741 { 0x120000, 0x4000 },
5742 { 0x1a0000, 0x4000 },
5743 { 0x160000, 0x4000 },
5744 { 0xffffffff, 0 },
Michael Chan5bae30c2007-05-03 13:18:46 -07005745 },
5746 mem_tbl_5709[] = {
5747 { 0x60000, 0x4000 },
5748 { 0xa0000, 0x3000 },
5749 { 0xe0000, 0x4000 },
5750 { 0x120000, 0x4000 },
5751 { 0x1a0000, 0x4000 },
5752 { 0xffffffff, 0 },
Michael Chanb6016b72005-05-26 13:03:09 -07005753 };
Michael Chan5bae30c2007-05-03 13:18:46 -07005754 struct mem_entry *mem_tbl;
5755
Michael Chan4ce45e02012-12-06 10:33:10 +00005756 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan5bae30c2007-05-03 13:18:46 -07005757 mem_tbl = mem_tbl_5709;
5758 else
5759 mem_tbl = mem_tbl_5706;
Michael Chanb6016b72005-05-26 13:03:09 -07005760
5761 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
5762 if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
5763 mem_tbl[i].len)) != 0) {
5764 return ret;
5765 }
5766 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005767
Michael Chanb6016b72005-05-26 13:03:09 -07005768 return ret;
5769}
5770
Michael Chanbc5a0692006-01-23 16:13:22 -08005771#define BNX2_MAC_LOOPBACK 0
5772#define BNX2_PHY_LOOPBACK 1
5773
Michael Chanb6016b72005-05-26 13:03:09 -07005774static int
Michael Chanbc5a0692006-01-23 16:13:22 -08005775bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
Michael Chanb6016b72005-05-26 13:03:09 -07005776{
5777 unsigned int pkt_size, num_pkts, i;
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005778 struct sk_buff *skb;
5779 u8 *data;
Michael Chanb6016b72005-05-26 13:03:09 -07005780 unsigned char *packet;
Michael Chanbc5a0692006-01-23 16:13:22 -08005781 u16 rx_start_idx, rx_idx;
Michael Chanb6016b72005-05-26 13:03:09 -07005782 dma_addr_t map;
Michael Chan2bc40782012-12-06 10:33:09 +00005783 struct bnx2_tx_bd *txbd;
5784 struct bnx2_sw_bd *rx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07005785 struct l2_fhdr *rx_hdr;
5786 int ret = -ENODEV;
Michael Chanc76c0472007-12-20 20:01:19 -08005787 struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
Michael Chan35e90102008-06-19 16:37:42 -07005788 struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005789 struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
Michael Chanc76c0472007-12-20 20:01:19 -08005790
5791 tx_napi = bnapi;
Michael Chanb6016b72005-05-26 13:03:09 -07005792
Michael Chan35e90102008-06-19 16:37:42 -07005793 txr = &tx_napi->tx_ring;
Michael Chanbb4f98a2008-06-19 16:38:19 -07005794 rxr = &bnapi->rx_ring;
Michael Chanbc5a0692006-01-23 16:13:22 -08005795 if (loopback_mode == BNX2_MAC_LOOPBACK) {
5796 bp->loopback = MAC_LOOPBACK;
5797 bnx2_set_mac_loopback(bp);
5798 }
5799 else if (loopback_mode == BNX2_PHY_LOOPBACK) {
Michael Chan583c28e2008-01-21 19:51:35 -08005800 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan489310a2007-10-10 16:16:31 -07005801 return 0;
5802
Michael Chan80be4432006-11-19 14:07:28 -08005803 bp->loopback = PHY_LOOPBACK;
Michael Chanbc5a0692006-01-23 16:13:22 -08005804 bnx2_set_phy_loopback(bp);
5805 }
5806 else
5807 return -EINVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07005808
Michael Chan84eaa182007-12-12 11:19:57 -08005809 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
Michael Chan932f3772006-08-15 01:39:36 -07005810 skb = netdev_alloc_skb(bp->dev, pkt_size);
John W. Linvilleb6cbc3b62005-11-10 12:58:00 -08005811 if (!skb)
5812 return -ENOMEM;
Michael Chanb6016b72005-05-26 13:03:09 -07005813 packet = skb_put(skb, pkt_size);
Joe Perchesd458cdf2013-10-01 19:04:40 -07005814 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
5815 memset(packet + ETH_ALEN, 0x0, 8);
Michael Chanb6016b72005-05-26 13:03:09 -07005816 for (i = 14; i < pkt_size; i++)
5817 packet[i] = (unsigned char) (i & 0xff);
5818
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005819 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
5820 PCI_DMA_TODEVICE);
5821 if (dma_mapping_error(&bp->pdev->dev, map)) {
Benjamin Li3d16af82008-10-09 12:26:41 -07005822 dev_kfree_skb(skb);
5823 return -EIO;
5824 }
Michael Chanb6016b72005-05-26 13:03:09 -07005825
Michael Chane503e062012-12-06 10:33:08 +00005826 BNX2_WR(bp, BNX2_HC_COMMAND,
5827 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
Michael Chanbf5295b2006-03-23 01:11:56 -08005828
Michael Chane503e062012-12-06 10:33:08 +00005829 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07005830
5831 udelay(5);
Michael Chan35efa7c2007-12-20 19:56:37 -08005832 rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005833
Michael Chanb6016b72005-05-26 13:03:09 -07005834 num_pkts = 0;
5835
Michael Chan2bc40782012-12-06 10:33:09 +00005836 txbd = &txr->tx_desc_ring[BNX2_TX_RING_IDX(txr->tx_prod)];
Michael Chanb6016b72005-05-26 13:03:09 -07005837
5838 txbd->tx_bd_haddr_hi = (u64) map >> 32;
5839 txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
5840 txbd->tx_bd_mss_nbytes = pkt_size;
5841 txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
5842
5843 num_pkts++;
Michael Chan2bc40782012-12-06 10:33:09 +00005844 txr->tx_prod = BNX2_NEXT_TX_BD(txr->tx_prod);
Michael Chan35e90102008-06-19 16:37:42 -07005845 txr->tx_prod_bseq += pkt_size;
Michael Chanb6016b72005-05-26 13:03:09 -07005846
Michael Chane503e062012-12-06 10:33:08 +00005847 BNX2_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
5848 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07005849
5850 udelay(100);
5851
Michael Chane503e062012-12-06 10:33:08 +00005852 BNX2_WR(bp, BNX2_HC_COMMAND,
5853 bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
Michael Chanbf5295b2006-03-23 01:11:56 -08005854
Michael Chane503e062012-12-06 10:33:08 +00005855 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07005856
5857 udelay(5);
5858
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005859 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
Michael Chan745720e2006-06-29 12:37:41 -07005860 dev_kfree_skb(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07005861
Michael Chan35e90102008-06-19 16:37:42 -07005862 if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
Michael Chanb6016b72005-05-26 13:03:09 -07005863 goto loopback_test_done;
Michael Chanb6016b72005-05-26 13:03:09 -07005864
Michael Chan35efa7c2007-12-20 19:56:37 -08005865 rx_idx = bnx2_get_hw_rx_cons(bnapi);
Michael Chanb6016b72005-05-26 13:03:09 -07005866 if (rx_idx != rx_start_idx + num_pkts) {
5867 goto loopback_test_done;
5868 }
5869
Michael Chanbb4f98a2008-06-19 16:38:19 -07005870 rx_buf = &rxr->rx_buf_ring[rx_start_idx];
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005871 data = rx_buf->data;
Michael Chanb6016b72005-05-26 13:03:09 -07005872
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005873 rx_hdr = get_l2_fhdr(data);
5874 data = (u8 *)rx_hdr + BNX2_RX_OFFSET;
Michael Chanb6016b72005-05-26 13:03:09 -07005875
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00005876 dma_sync_single_for_cpu(&bp->pdev->dev,
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00005877 dma_unmap_addr(rx_buf, mapping),
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005878 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
Michael Chanb6016b72005-05-26 13:03:09 -07005879
Michael Chanade2bfe2006-01-23 16:09:51 -08005880 if (rx_hdr->l2_fhdr_status &
Michael Chanb6016b72005-05-26 13:03:09 -07005881 (L2_FHDR_ERRORS_BAD_CRC |
5882 L2_FHDR_ERRORS_PHY_DECODE |
5883 L2_FHDR_ERRORS_ALIGNMENT |
5884 L2_FHDR_ERRORS_TOO_SHORT |
5885 L2_FHDR_ERRORS_GIANT_FRAME)) {
5886
5887 goto loopback_test_done;
5888 }
5889
5890 if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
5891 goto loopback_test_done;
5892 }
5893
5894 for (i = 14; i < pkt_size; i++) {
Eric Dumazetdd2bc8e2011-11-15 07:30:05 +00005895 if (*(data + i) != (unsigned char) (i & 0xff)) {
Michael Chanb6016b72005-05-26 13:03:09 -07005896 goto loopback_test_done;
5897 }
5898 }
5899
5900 ret = 0;
5901
5902loopback_test_done:
5903 bp->loopback = 0;
5904 return ret;
5905}
5906
Michael Chanbc5a0692006-01-23 16:13:22 -08005907#define BNX2_MAC_LOOPBACK_FAILED 1
5908#define BNX2_PHY_LOOPBACK_FAILED 2
5909#define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
5910 BNX2_PHY_LOOPBACK_FAILED)
5911
5912static int
5913bnx2_test_loopback(struct bnx2 *bp)
5914{
5915 int rc = 0;
5916
5917 if (!netif_running(bp->dev))
5918 return BNX2_LOOPBACK_FAILED;
5919
5920 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
5921 spin_lock_bh(&bp->phy_lock);
Michael Chan9a120bc2008-05-16 22:17:45 -07005922 bnx2_init_phy(bp, 1);
Michael Chanbc5a0692006-01-23 16:13:22 -08005923 spin_unlock_bh(&bp->phy_lock);
5924 if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
5925 rc |= BNX2_MAC_LOOPBACK_FAILED;
5926 if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
5927 rc |= BNX2_PHY_LOOPBACK_FAILED;
5928 return rc;
5929}
5930
Michael Chanb6016b72005-05-26 13:03:09 -07005931#define NVRAM_SIZE 0x200
5932#define CRC32_RESIDUAL 0xdebb20e3
5933
5934static int
5935bnx2_test_nvram(struct bnx2 *bp)
5936{
Al Virob491edd2007-12-22 19:44:51 +00005937 __be32 buf[NVRAM_SIZE / 4];
Michael Chanb6016b72005-05-26 13:03:09 -07005938 u8 *data = (u8 *) buf;
5939 int rc = 0;
5940 u32 magic, csum;
5941
5942 if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
5943 goto test_nvram_done;
5944
5945 magic = be32_to_cpu(buf[0]);
5946 if (magic != 0x669955aa) {
5947 rc = -ENODEV;
5948 goto test_nvram_done;
5949 }
5950
5951 if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
5952 goto test_nvram_done;
5953
5954 csum = ether_crc_le(0x100, data);
5955 if (csum != CRC32_RESIDUAL) {
5956 rc = -ENODEV;
5957 goto test_nvram_done;
5958 }
5959
5960 csum = ether_crc_le(0x100, data + 0x100);
5961 if (csum != CRC32_RESIDUAL) {
5962 rc = -ENODEV;
5963 }
5964
5965test_nvram_done:
5966 return rc;
5967}
5968
5969static int
5970bnx2_test_link(struct bnx2 *bp)
5971{
5972 u32 bmsr;
5973
Michael Chan9f52b562008-10-09 12:21:46 -07005974 if (!netif_running(bp->dev))
5975 return -ENODEV;
5976
Michael Chan583c28e2008-01-21 19:51:35 -08005977 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan489310a2007-10-10 16:16:31 -07005978 if (bp->link_up)
5979 return 0;
5980 return -ENODEV;
5981 }
Michael Chanc770a652005-08-25 15:38:39 -07005982 spin_lock_bh(&bp->phy_lock);
Michael Chan27a005b2007-05-03 13:23:41 -07005983 bnx2_enable_bmsr1(bp);
5984 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5985 bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
5986 bnx2_disable_bmsr1(bp);
Michael Chanc770a652005-08-25 15:38:39 -07005987 spin_unlock_bh(&bp->phy_lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04005988
Michael Chanb6016b72005-05-26 13:03:09 -07005989 if (bmsr & BMSR_LSTATUS) {
5990 return 0;
5991 }
5992 return -ENODEV;
5993}
5994
5995static int
5996bnx2_test_intr(struct bnx2 *bp)
5997{
5998 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07005999 u16 status_idx;
6000
6001 if (!netif_running(bp->dev))
6002 return -ENODEV;
6003
Michael Chane503e062012-12-06 10:33:08 +00006004 status_idx = BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
Michael Chanb6016b72005-05-26 13:03:09 -07006005
6006 /* This register is not touched during run-time. */
Michael Chane503e062012-12-06 10:33:08 +00006007 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
6008 BNX2_RD(bp, BNX2_HC_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07006009
6010 for (i = 0; i < 10; i++) {
Michael Chane503e062012-12-06 10:33:08 +00006011 if ((BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
Michael Chanb6016b72005-05-26 13:03:09 -07006012 status_idx) {
6013
6014 break;
6015 }
6016
6017 msleep_interruptible(10);
6018 }
6019 if (i < 10)
6020 return 0;
6021
6022 return -ENODEV;
6023}
6024
Michael Chan38ea3682008-02-23 19:48:57 -08006025/* Determining link for parallel detection. */
Michael Chanb2fadea2008-01-21 17:07:06 -08006026static int
6027bnx2_5706_serdes_has_link(struct bnx2 *bp)
6028{
6029 u32 mode_ctl, an_dbg, exp;
6030
Michael Chan38ea3682008-02-23 19:48:57 -08006031 if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
6032 return 0;
6033
Michael Chanb2fadea2008-01-21 17:07:06 -08006034 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
6035 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
6036
6037 if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
6038 return 0;
6039
6040 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6041 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6042 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
6043
Michael Chanf3014c0c2008-01-29 21:33:03 -08006044 if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
Michael Chanb2fadea2008-01-21 17:07:06 -08006045 return 0;
6046
6047 bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
6048 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6049 bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
6050
6051 if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
6052 return 0;
6053
6054 return 1;
6055}
6056
Michael Chanb6016b72005-05-26 13:03:09 -07006057static void
Michael Chan48b01e22006-11-19 14:08:00 -08006058bnx2_5706_serdes_timer(struct bnx2 *bp)
6059{
Michael Chanb2fadea2008-01-21 17:07:06 -08006060 int check_link = 1;
6061
Michael Chan48b01e22006-11-19 14:08:00 -08006062 spin_lock(&bp->phy_lock);
Michael Chanb2fadea2008-01-21 17:07:06 -08006063 if (bp->serdes_an_pending) {
Michael Chan48b01e22006-11-19 14:08:00 -08006064 bp->serdes_an_pending--;
Michael Chanb2fadea2008-01-21 17:07:06 -08006065 check_link = 0;
6066 } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
Michael Chan48b01e22006-11-19 14:08:00 -08006067 u32 bmcr;
6068
Benjamin Liac392ab2008-09-18 16:40:49 -07006069 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08006070
Michael Chanca58c3a2007-05-03 13:22:52 -07006071 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08006072
6073 if (bmcr & BMCR_ANENABLE) {
Michael Chanb2fadea2008-01-21 17:07:06 -08006074 if (bnx2_5706_serdes_has_link(bp)) {
Michael Chan48b01e22006-11-19 14:08:00 -08006075 bmcr &= ~BMCR_ANENABLE;
6076 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
Michael Chanca58c3a2007-05-03 13:22:52 -07006077 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan583c28e2008-01-21 19:51:35 -08006078 bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08006079 }
6080 }
6081 }
6082 else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
Michael Chan583c28e2008-01-21 19:51:35 -08006083 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
Michael Chan48b01e22006-11-19 14:08:00 -08006084 u32 phy2;
6085
6086 bnx2_write_phy(bp, 0x17, 0x0f01);
6087 bnx2_read_phy(bp, 0x15, &phy2);
6088 if (phy2 & 0x20) {
6089 u32 bmcr;
6090
Michael Chanca58c3a2007-05-03 13:22:52 -07006091 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08006092 bmcr |= BMCR_ANENABLE;
Michael Chanca58c3a2007-05-03 13:22:52 -07006093 bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
Michael Chan48b01e22006-11-19 14:08:00 -08006094
Michael Chan583c28e2008-01-21 19:51:35 -08006095 bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
Michael Chan48b01e22006-11-19 14:08:00 -08006096 }
6097 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006098 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chan48b01e22006-11-19 14:08:00 -08006099
Michael Chana2724e22008-02-23 19:47:44 -08006100 if (check_link) {
Michael Chanb2fadea2008-01-21 17:07:06 -08006101 u32 val;
6102
6103 bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
6104 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6105 bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
6106
Michael Chana2724e22008-02-23 19:47:44 -08006107 if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
6108 if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
6109 bnx2_5706s_force_link_dn(bp, 1);
6110 bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
6111 } else
6112 bnx2_set_link(bp);
6113 } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
6114 bnx2_set_link(bp);
Michael Chanb2fadea2008-01-21 17:07:06 -08006115 }
Michael Chan48b01e22006-11-19 14:08:00 -08006116 spin_unlock(&bp->phy_lock);
6117}
6118
6119static void
Michael Chanf8dd0642006-11-19 14:08:29 -08006120bnx2_5708_serdes_timer(struct bnx2 *bp)
6121{
Michael Chan583c28e2008-01-21 19:51:35 -08006122 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan0d8a6572007-07-07 22:49:43 -07006123 return;
6124
Michael Chan583c28e2008-01-21 19:51:35 -08006125 if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
Michael Chanf8dd0642006-11-19 14:08:29 -08006126 bp->serdes_an_pending = 0;
6127 return;
6128 }
6129
6130 spin_lock(&bp->phy_lock);
6131 if (bp->serdes_an_pending)
6132 bp->serdes_an_pending--;
6133 else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
6134 u32 bmcr;
6135
Michael Chanca58c3a2007-05-03 13:22:52 -07006136 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanf8dd0642006-11-19 14:08:29 -08006137 if (bmcr & BMCR_ANENABLE) {
Michael Chan605a9e22007-05-03 13:23:13 -07006138 bnx2_enable_forced_2g5(bp);
Michael Chan40105c02008-11-12 16:02:45 -08006139 bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08006140 } else {
Michael Chan605a9e22007-05-03 13:23:13 -07006141 bnx2_disable_forced_2g5(bp);
Michael Chanf8dd0642006-11-19 14:08:29 -08006142 bp->serdes_an_pending = 2;
Benjamin Liac392ab2008-09-18 16:40:49 -07006143 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006144 }
6145
6146 } else
Benjamin Liac392ab2008-09-18 16:40:49 -07006147 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanf8dd0642006-11-19 14:08:29 -08006148
6149 spin_unlock(&bp->phy_lock);
6150}
6151
6152static void
Michael Chanb6016b72005-05-26 13:03:09 -07006153bnx2_timer(unsigned long data)
6154{
6155 struct bnx2 *bp = (struct bnx2 *) data;
Michael Chanb6016b72005-05-26 13:03:09 -07006156
Michael Chancd339a02005-08-25 15:35:24 -07006157 if (!netif_running(bp->dev))
6158 return;
6159
Michael Chanb6016b72005-05-26 13:03:09 -07006160 if (atomic_read(&bp->intr_sem) != 0)
6161 goto bnx2_restart_timer;
6162
Michael Chanefba0182008-12-03 00:36:15 -08006163 if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
6164 BNX2_FLAG_USING_MSI)
6165 bnx2_chk_missed_msi(bp);
6166
Michael Chandf149d72007-07-07 22:51:36 -07006167 bnx2_send_heart_beat(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006168
Michael Chan2726d6e2008-01-29 21:35:05 -08006169 bp->stats_blk->stat_FwRxDrop =
6170 bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
Michael Chancea94db2006-06-12 22:16:13 -07006171
Michael Chan02537b062007-06-04 21:24:07 -07006172 /* workaround occasional corrupted counters */
Michael Chan61d9e3f2009-08-21 16:20:46 +00006173 if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
Michael Chane503e062012-12-06 10:33:08 +00006174 BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
6175 BNX2_HC_COMMAND_STATS_NOW);
Michael Chan02537b062007-06-04 21:24:07 -07006176
Michael Chan583c28e2008-01-21 19:51:35 -08006177 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan4ce45e02012-12-06 10:33:10 +00006178 if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
Michael Chanf8dd0642006-11-19 14:08:29 -08006179 bnx2_5706_serdes_timer(bp);
Michael Chan27a005b2007-05-03 13:23:41 -07006180 else
Michael Chanf8dd0642006-11-19 14:08:29 -08006181 bnx2_5708_serdes_timer(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006182 }
6183
6184bnx2_restart_timer:
Michael Chancd339a02005-08-25 15:35:24 -07006185 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006186}
6187
Michael Chan8e6a72c2007-05-03 13:24:48 -07006188static int
6189bnx2_request_irq(struct bnx2 *bp)
6190{
Michael Chan6d866ff2007-12-20 19:56:09 -08006191 unsigned long flags;
Michael Chanb4b36042007-12-20 19:59:30 -08006192 struct bnx2_irq *irq;
6193 int rc = 0, i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006194
David S. Millerf86e82f2008-01-21 17:15:40 -08006195 if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
Michael Chan6d866ff2007-12-20 19:56:09 -08006196 flags = 0;
6197 else
6198 flags = IRQF_SHARED;
Michael Chanb4b36042007-12-20 19:59:30 -08006199
6200 for (i = 0; i < bp->irq_nvecs; i++) {
6201 irq = &bp->irq_tbl[i];
Michael Chanc76c0472007-12-20 20:01:19 -08006202 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
Michael Chanf0ea2e62008-06-19 16:41:57 -07006203 &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006204 if (rc)
6205 break;
6206 irq->requested = 1;
6207 }
Michael Chan8e6a72c2007-05-03 13:24:48 -07006208 return rc;
6209}
6210
6211static void
Michael Chana29ba9d2010-12-31 11:03:14 -08006212__bnx2_free_irq(struct bnx2 *bp)
Michael Chan8e6a72c2007-05-03 13:24:48 -07006213{
Michael Chanb4b36042007-12-20 19:59:30 -08006214 struct bnx2_irq *irq;
6215 int i;
Michael Chan8e6a72c2007-05-03 13:24:48 -07006216
Michael Chanb4b36042007-12-20 19:59:30 -08006217 for (i = 0; i < bp->irq_nvecs; i++) {
6218 irq = &bp->irq_tbl[i];
6219 if (irq->requested)
Michael Chanf0ea2e62008-06-19 16:41:57 -07006220 free_irq(irq->vector, &bp->bnx2_napi[i]);
Michael Chanb4b36042007-12-20 19:59:30 -08006221 irq->requested = 0;
Michael Chan6d866ff2007-12-20 19:56:09 -08006222 }
Michael Chana29ba9d2010-12-31 11:03:14 -08006223}
6224
6225static void
6226bnx2_free_irq(struct bnx2 *bp)
6227{
6228
6229 __bnx2_free_irq(bp);
David S. Millerf86e82f2008-01-21 17:15:40 -08006230 if (bp->flags & BNX2_FLAG_USING_MSI)
Michael Chanb4b36042007-12-20 19:59:30 -08006231 pci_disable_msi(bp->pdev);
David S. Millerf86e82f2008-01-21 17:15:40 -08006232 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Michael Chanb4b36042007-12-20 19:59:30 -08006233 pci_disable_msix(bp->pdev);
6234
David S. Millerf86e82f2008-01-21 17:15:40 -08006235 bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
Michael Chanb4b36042007-12-20 19:59:30 -08006236}
6237
6238static void
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006239bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
Michael Chanb4b36042007-12-20 19:59:30 -08006240{
Alexander Gordeevf2a2dfe2014-02-18 11:07:53 +01006241 int i, total_vecs;
Michael Chan57851d82007-12-20 20:01:44 -08006242 struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
Michael Chan4e1d0de2008-12-16 20:27:45 -08006243 struct net_device *dev = bp->dev;
6244 const int len = sizeof(bp->irq_tbl[0].name);
Michael Chan57851d82007-12-20 20:01:44 -08006245
Michael Chanb4b36042007-12-20 19:59:30 -08006246 bnx2_setup_msix_tbl(bp);
Michael Chane503e062012-12-06 10:33:08 +00006247 BNX2_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
6248 BNX2_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
6249 BNX2_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
Michael Chan57851d82007-12-20 20:01:44 -08006250
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006251 /* Need to flush the previous three writes to ensure MSI-X
6252 * is setup properly */
Michael Chane503e062012-12-06 10:33:08 +00006253 BNX2_RD(bp, BNX2_PCI_MSIX_CONTROL);
Benjamin Lie2eb8e32010-01-08 00:51:21 -08006254
Michael Chan57851d82007-12-20 20:01:44 -08006255 for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
6256 msix_ent[i].entry = i;
6257 msix_ent[i].vector = 0;
6258 }
6259
Michael Chan379b39a2010-07-19 14:15:03 +00006260 total_vecs = msix_vecs;
6261#ifdef BCM_CNIC
6262 total_vecs++;
6263#endif
Alexander Gordeevf2a2dfe2014-02-18 11:07:53 +01006264 total_vecs = pci_enable_msix_range(bp->pdev, msix_ent,
6265 BNX2_MIN_MSIX_VEC, total_vecs);
6266 if (total_vecs < 0)
Michael Chan57851d82007-12-20 20:01:44 -08006267 return;
6268
Michael Chan379b39a2010-07-19 14:15:03 +00006269 msix_vecs = total_vecs;
6270#ifdef BCM_CNIC
6271 msix_vecs--;
6272#endif
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006273 bp->irq_nvecs = msix_vecs;
David S. Millerf86e82f2008-01-21 17:15:40 -08006274 bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan379b39a2010-07-19 14:15:03 +00006275 for (i = 0; i < total_vecs; i++) {
Michael Chan57851d82007-12-20 20:01:44 -08006276 bp->irq_tbl[i].vector = msix_ent[i].vector;
Michael Chan69010312009-03-18 18:11:51 -07006277 snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
6278 bp->irq_tbl[i].handler = bnx2_msi_1shot;
6279 }
Michael Chan6d866ff2007-12-20 19:56:09 -08006280}
6281
Ben Hutchings657d92f2010-09-27 08:25:16 +00006282static int
Michael Chan6d866ff2007-12-20 19:56:09 -08006283bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
6284{
Yuval Mintz0a742122012-07-01 03:18:58 +00006285 int cpus = netif_get_num_default_rss_queues();
Michael Chanb0332812012-02-05 15:24:38 +00006286 int msix_vecs;
6287
6288 if (!bp->num_req_rx_rings)
6289 msix_vecs = max(cpus + 1, bp->num_req_tx_rings);
6290 else if (!bp->num_req_tx_rings)
6291 msix_vecs = max(cpus, bp->num_req_rx_rings);
6292 else
6293 msix_vecs = max(bp->num_req_rx_rings, bp->num_req_tx_rings);
6294
6295 msix_vecs = min(msix_vecs, RX_MAX_RINGS);
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006296
Michael Chan6d866ff2007-12-20 19:56:09 -08006297 bp->irq_tbl[0].handler = bnx2_interrupt;
6298 strcpy(bp->irq_tbl[0].name, bp->dev->name);
Michael Chanb4b36042007-12-20 19:59:30 -08006299 bp->irq_nvecs = 1;
6300 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006301
Michael Chan3d5f3a72010-07-03 20:42:15 +00006302 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
Michael Chan5e9ad9e2008-06-19 16:43:17 -07006303 bnx2_enable_msix(bp, msix_vecs);
Michael Chanb4b36042007-12-20 19:59:30 -08006304
David S. Millerf86e82f2008-01-21 17:15:40 -08006305 if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
6306 !(bp->flags & BNX2_FLAG_USING_MSIX)) {
Michael Chan6d866ff2007-12-20 19:56:09 -08006307 if (pci_enable_msi(bp->pdev) == 0) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006308 bp->flags |= BNX2_FLAG_USING_MSI;
Michael Chan4ce45e02012-12-06 10:33:10 +00006309 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
David S. Millerf86e82f2008-01-21 17:15:40 -08006310 bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
Michael Chan6d866ff2007-12-20 19:56:09 -08006311 bp->irq_tbl[0].handler = bnx2_msi_1shot;
6312 } else
6313 bp->irq_tbl[0].handler = bnx2_msi;
Michael Chanb4b36042007-12-20 19:59:30 -08006314
6315 bp->irq_tbl[0].vector = bp->pdev->irq;
Michael Chan6d866ff2007-12-20 19:56:09 -08006316 }
6317 }
Benjamin Li706bf242008-07-18 17:55:11 -07006318
Michael Chanb0332812012-02-05 15:24:38 +00006319 if (!bp->num_req_tx_rings)
6320 bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
6321 else
6322 bp->num_tx_rings = min(bp->irq_nvecs, bp->num_req_tx_rings);
6323
6324 if (!bp->num_req_rx_rings)
6325 bp->num_rx_rings = bp->irq_nvecs;
6326 else
6327 bp->num_rx_rings = min(bp->irq_nvecs, bp->num_req_rx_rings);
6328
Ben Hutchings657d92f2010-09-27 08:25:16 +00006329 netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
Benjamin Li706bf242008-07-18 17:55:11 -07006330
Ben Hutchings657d92f2010-09-27 08:25:16 +00006331 return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006332}
6333
Michael Chanb6016b72005-05-26 13:03:09 -07006334/* Called with rtnl_lock */
6335static int
6336bnx2_open(struct net_device *dev)
6337{
Michael Chan972ec0d2006-01-23 16:12:43 -08006338 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006339 int rc;
6340
françois romieu7880b722011-09-30 00:36:52 +00006341 rc = bnx2_request_firmware(bp);
6342 if (rc < 0)
6343 goto out;
6344
Michael Chan1b2f9222007-05-03 13:20:19 -07006345 netif_carrier_off(dev);
6346
Michael Chanb6016b72005-05-26 13:03:09 -07006347 bnx2_disable_int(bp);
6348
Ben Hutchings657d92f2010-09-27 08:25:16 +00006349 rc = bnx2_setup_int_mode(bp, disable_msi);
6350 if (rc)
6351 goto open_err;
Benjamin Li4327ba42010-03-23 13:13:11 +00006352 bnx2_init_napi(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006353 bnx2_napi_enable(bp);
Michael Chan35e90102008-06-19 16:37:42 -07006354 rc = bnx2_alloc_mem(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006355 if (rc)
6356 goto open_err;
Michael Chan35e90102008-06-19 16:37:42 -07006357
Michael Chan8e6a72c2007-05-03 13:24:48 -07006358 rc = bnx2_request_irq(bp);
Michael Chan2739a8b2008-06-19 16:44:10 -07006359 if (rc)
6360 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006361
Michael Chan9a120bc2008-05-16 22:17:45 -07006362 rc = bnx2_init_nic(bp, 1);
Michael Chan2739a8b2008-06-19 16:44:10 -07006363 if (rc)
6364 goto open_err;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006365
Michael Chancd339a02005-08-25 15:35:24 -07006366 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07006367
6368 atomic_set(&bp->intr_sem, 0);
6369
Michael Chan354fcd72010-01-17 07:30:44 +00006370 memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
6371
Michael Chanb6016b72005-05-26 13:03:09 -07006372 bnx2_enable_int(bp);
6373
David S. Millerf86e82f2008-01-21 17:15:40 -08006374 if (bp->flags & BNX2_FLAG_USING_MSI) {
Michael Chanb6016b72005-05-26 13:03:09 -07006375 /* Test MSI to make sure it is working
6376 * If MSI test fails, go back to INTx mode
6377 */
6378 if (bnx2_test_intr(bp) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00006379 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 -07006380
6381 bnx2_disable_int(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006382 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006383
Michael Chan6d866ff2007-12-20 19:56:09 -08006384 bnx2_setup_int_mode(bp, 1);
6385
Michael Chan9a120bc2008-05-16 22:17:45 -07006386 rc = bnx2_init_nic(bp, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07006387
Michael Chan8e6a72c2007-05-03 13:24:48 -07006388 if (!rc)
6389 rc = bnx2_request_irq(bp);
6390
Michael Chanb6016b72005-05-26 13:03:09 -07006391 if (rc) {
Michael Chanb6016b72005-05-26 13:03:09 -07006392 del_timer_sync(&bp->timer);
Michael Chan2739a8b2008-06-19 16:44:10 -07006393 goto open_err;
Michael Chanb6016b72005-05-26 13:03:09 -07006394 }
6395 bnx2_enable_int(bp);
6396 }
6397 }
David S. Millerf86e82f2008-01-21 17:15:40 -08006398 if (bp->flags & BNX2_FLAG_USING_MSI)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006399 netdev_info(dev, "using MSI\n");
David S. Millerf86e82f2008-01-21 17:15:40 -08006400 else if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006401 netdev_info(dev, "using MSIX\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006402
Benjamin Li706bf242008-07-18 17:55:11 -07006403 netif_tx_start_all_queues(dev);
françois romieu7880b722011-09-30 00:36:52 +00006404out:
6405 return rc;
Michael Chan2739a8b2008-06-19 16:44:10 -07006406
6407open_err:
6408 bnx2_napi_disable(bp);
6409 bnx2_free_skbs(bp);
6410 bnx2_free_irq(bp);
6411 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006412 bnx2_del_napi(bp);
françois romieu7880b722011-09-30 00:36:52 +00006413 bnx2_release_firmware(bp);
6414 goto out;
Michael Chanb6016b72005-05-26 13:03:09 -07006415}
6416
6417static void
David Howellsc4028952006-11-22 14:57:56 +00006418bnx2_reset_task(struct work_struct *work)
Michael Chanb6016b72005-05-26 13:03:09 -07006419{
David Howellsc4028952006-11-22 14:57:56 +00006420 struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
Michael Chancd634012011-07-15 06:53:58 +00006421 int rc;
Michael Chanefdfad32012-07-16 14:25:56 +00006422 u16 pcicmd;
Michael Chanb6016b72005-05-26 13:03:09 -07006423
Michael Chan51bf6bb2009-12-03 09:46:31 +00006424 rtnl_lock();
6425 if (!netif_running(bp->dev)) {
6426 rtnl_unlock();
Michael Chanafdc08b2005-08-25 15:34:29 -07006427 return;
Michael Chan51bf6bb2009-12-03 09:46:31 +00006428 }
Michael Chanafdc08b2005-08-25 15:34:29 -07006429
Michael Chan212f9932010-04-27 11:28:10 +00006430 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07006431
Michael Chanefdfad32012-07-16 14:25:56 +00006432 pci_read_config_word(bp->pdev, PCI_COMMAND, &pcicmd);
6433 if (!(pcicmd & PCI_COMMAND_MEMORY)) {
6434 /* in case PCI block has reset */
6435 pci_restore_state(bp->pdev);
6436 pci_save_state(bp->pdev);
6437 }
Michael Chancd634012011-07-15 06:53:58 +00006438 rc = bnx2_init_nic(bp, 1);
6439 if (rc) {
6440 netdev_err(bp->dev, "failed to reset NIC, closing\n");
6441 bnx2_napi_enable(bp);
6442 dev_close(bp->dev);
6443 rtnl_unlock();
6444 return;
6445 }
Michael Chanb6016b72005-05-26 13:03:09 -07006446
6447 atomic_set(&bp->intr_sem, 1);
Michael Chan212f9932010-04-27 11:28:10 +00006448 bnx2_netif_start(bp, true);
Michael Chan51bf6bb2009-12-03 09:46:31 +00006449 rtnl_unlock();
Michael Chanb6016b72005-05-26 13:03:09 -07006450}
6451
Michael Chan555069d2012-06-16 15:45:41 +00006452#define BNX2_FTQ_ENTRY(ftq) { __stringify(ftq##FTQ_CTL), BNX2_##ftq##FTQ_CTL }
6453
6454static void
6455bnx2_dump_ftq(struct bnx2 *bp)
6456{
6457 int i;
6458 u32 reg, bdidx, cid, valid;
6459 struct net_device *dev = bp->dev;
6460 static const struct ftq_reg {
6461 char *name;
6462 u32 off;
6463 } ftq_arr[] = {
6464 BNX2_FTQ_ENTRY(RV2P_P),
6465 BNX2_FTQ_ENTRY(RV2P_T),
6466 BNX2_FTQ_ENTRY(RV2P_M),
6467 BNX2_FTQ_ENTRY(TBDR_),
6468 BNX2_FTQ_ENTRY(TDMA_),
6469 BNX2_FTQ_ENTRY(TXP_),
6470 BNX2_FTQ_ENTRY(TXP_),
6471 BNX2_FTQ_ENTRY(TPAT_),
6472 BNX2_FTQ_ENTRY(RXP_C),
6473 BNX2_FTQ_ENTRY(RXP_),
6474 BNX2_FTQ_ENTRY(COM_COMXQ_),
6475 BNX2_FTQ_ENTRY(COM_COMTQ_),
6476 BNX2_FTQ_ENTRY(COM_COMQ_),
6477 BNX2_FTQ_ENTRY(CP_CPQ_),
6478 };
6479
6480 netdev_err(dev, "<--- start FTQ dump --->\n");
6481 for (i = 0; i < ARRAY_SIZE(ftq_arr); i++)
6482 netdev_err(dev, "%s %08x\n", ftq_arr[i].name,
6483 bnx2_reg_rd_ind(bp, ftq_arr[i].off));
6484
6485 netdev_err(dev, "CPU states:\n");
6486 for (reg = BNX2_TXP_CPU_MODE; reg <= BNX2_CP_CPU_MODE; reg += 0x40000)
6487 netdev_err(dev, "%06x mode %x state %x evt_mask %x pc %x pc %x instr %x\n",
6488 reg, bnx2_reg_rd_ind(bp, reg),
6489 bnx2_reg_rd_ind(bp, reg + 4),
6490 bnx2_reg_rd_ind(bp, reg + 8),
6491 bnx2_reg_rd_ind(bp, reg + 0x1c),
6492 bnx2_reg_rd_ind(bp, reg + 0x1c),
6493 bnx2_reg_rd_ind(bp, reg + 0x20));
6494
6495 netdev_err(dev, "<--- end FTQ dump --->\n");
6496 netdev_err(dev, "<--- start TBDC dump --->\n");
6497 netdev_err(dev, "TBDC free cnt: %ld\n",
Michael Chane503e062012-12-06 10:33:08 +00006498 BNX2_RD(bp, BNX2_TBDC_STATUS) & BNX2_TBDC_STATUS_FREE_CNT);
Michael Chan555069d2012-06-16 15:45:41 +00006499 netdev_err(dev, "LINE CID BIDX CMD VALIDS\n");
6500 for (i = 0; i < 0x20; i++) {
6501 int j = 0;
6502
Michael Chane503e062012-12-06 10:33:08 +00006503 BNX2_WR(bp, BNX2_TBDC_BD_ADDR, i);
6504 BNX2_WR(bp, BNX2_TBDC_CAM_OPCODE,
6505 BNX2_TBDC_CAM_OPCODE_OPCODE_CAM_READ);
6506 BNX2_WR(bp, BNX2_TBDC_COMMAND, BNX2_TBDC_COMMAND_CMD_REG_ARB);
6507 while ((BNX2_RD(bp, BNX2_TBDC_COMMAND) &
Michael Chan555069d2012-06-16 15:45:41 +00006508 BNX2_TBDC_COMMAND_CMD_REG_ARB) && j < 100)
6509 j++;
6510
Michael Chane503e062012-12-06 10:33:08 +00006511 cid = BNX2_RD(bp, BNX2_TBDC_CID);
6512 bdidx = BNX2_RD(bp, BNX2_TBDC_BIDX);
6513 valid = BNX2_RD(bp, BNX2_TBDC_CAM_OPCODE);
Michael Chan555069d2012-06-16 15:45:41 +00006514 netdev_err(dev, "%02x %06x %04lx %02x [%x]\n",
6515 i, cid, bdidx & BNX2_TBDC_BDIDX_BDIDX,
6516 bdidx >> 24, (valid >> 8) & 0x0ff);
6517 }
6518 netdev_err(dev, "<--- end TBDC dump --->\n");
6519}
6520
Michael Chanb6016b72005-05-26 13:03:09 -07006521static void
Michael Chan20175c52009-12-03 09:46:32 +00006522bnx2_dump_state(struct bnx2 *bp)
6523{
6524 struct net_device *dev = bp->dev;
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00006525 u32 val1, val2;
Michael Chan20175c52009-12-03 09:46:32 +00006526
Michael Chan5804a8f2010-07-03 20:42:17 +00006527 pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
6528 netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
6529 atomic_read(&bp->intr_sem), val1);
6530 pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
6531 pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
6532 netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
Eddie Waib98eba52010-05-17 17:32:56 -07006533 netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006534 BNX2_RD(bp, BNX2_EMAC_TX_STATUS),
6535 BNX2_RD(bp, BNX2_EMAC_RX_STATUS));
Eddie Waib98eba52010-05-17 17:32:56 -07006536 netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006537 BNX2_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
Joe Perches3a9c6a42010-02-17 15:01:51 +00006538 netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006539 BNX2_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
Michael Chan20175c52009-12-03 09:46:32 +00006540 if (bp->flags & BNX2_FLAG_USING_MSIX)
Joe Perches3a9c6a42010-02-17 15:01:51 +00006541 netdev_err(dev, "DEBUG: PBA[%08x]\n",
Michael Chane503e062012-12-06 10:33:08 +00006542 BNX2_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
Michael Chan20175c52009-12-03 09:46:32 +00006543}
6544
6545static void
Michael Chanb6016b72005-05-26 13:03:09 -07006546bnx2_tx_timeout(struct net_device *dev)
6547{
Michael Chan972ec0d2006-01-23 16:12:43 -08006548 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006549
Michael Chan555069d2012-06-16 15:45:41 +00006550 bnx2_dump_ftq(bp);
Michael Chan20175c52009-12-03 09:46:32 +00006551 bnx2_dump_state(bp);
Jeffrey Huangecdbf6e2011-07-13 17:24:21 +00006552 bnx2_dump_mcp_state(bp);
Michael Chan20175c52009-12-03 09:46:32 +00006553
Michael Chanb6016b72005-05-26 13:03:09 -07006554 /* This allows the netif to be shutdown gracefully before resetting */
6555 schedule_work(&bp->reset_task);
6556}
6557
Herbert Xu932ff272006-06-09 12:20:56 -07006558/* Called with netif_tx_lock.
Michael Chan2f8af122006-08-15 01:39:10 -07006559 * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
6560 * netif_wake_queue().
Michael Chanb6016b72005-05-26 13:03:09 -07006561 */
Stephen Hemminger613573252009-08-31 19:50:58 +00006562static netdev_tx_t
Michael Chanb6016b72005-05-26 13:03:09 -07006563bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
6564{
Michael Chan972ec0d2006-01-23 16:12:43 -08006565 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006566 dma_addr_t mapping;
Michael Chan2bc40782012-12-06 10:33:09 +00006567 struct bnx2_tx_bd *txbd;
6568 struct bnx2_sw_tx_bd *tx_buf;
Michael Chanb6016b72005-05-26 13:03:09 -07006569 u32 len, vlan_tag_flags, last_frag, mss;
6570 u16 prod, ring_prod;
6571 int i;
Benjamin Li706bf242008-07-18 17:55:11 -07006572 struct bnx2_napi *bnapi;
6573 struct bnx2_tx_ring_info *txr;
6574 struct netdev_queue *txq;
6575
6576 /* Determine which tx ring we will be placed on */
6577 i = skb_get_queue_mapping(skb);
6578 bnapi = &bp->bnx2_napi[i];
6579 txr = &bnapi->tx_ring;
6580 txq = netdev_get_tx_queue(dev, i);
Michael Chanb6016b72005-05-26 13:03:09 -07006581
Michael Chan35e90102008-06-19 16:37:42 -07006582 if (unlikely(bnx2_tx_avail(bp, txr) <
Michael Chana550c992007-12-20 19:56:59 -08006583 (skb_shinfo(skb)->nr_frags + 1))) {
Benjamin Li706bf242008-07-18 17:55:11 -07006584 netif_tx_stop_queue(txq);
Joe Perches3a9c6a42010-02-17 15:01:51 +00006585 netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
Michael Chanb6016b72005-05-26 13:03:09 -07006586
6587 return NETDEV_TX_BUSY;
6588 }
6589 len = skb_headlen(skb);
Michael Chan35e90102008-06-19 16:37:42 -07006590 prod = txr->tx_prod;
Michael Chan2bc40782012-12-06 10:33:09 +00006591 ring_prod = BNX2_TX_RING_IDX(prod);
Michael Chanb6016b72005-05-26 13:03:09 -07006592
6593 vlan_tag_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07006594 if (skb->ip_summed == CHECKSUM_PARTIAL) {
Michael Chanb6016b72005-05-26 13:03:09 -07006595 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
6596 }
6597
Jiri Pirkodf8a39d2015-01-13 17:13:44 +01006598 if (skb_vlan_tag_present(skb)) {
Michael Chanb6016b72005-05-26 13:03:09 -07006599 vlan_tag_flags |=
Jiri Pirkodf8a39d2015-01-13 17:13:44 +01006600 (TX_BD_FLAGS_VLAN_TAG | (skb_vlan_tag_get(skb) << 16));
Michael Chanb6016b72005-05-26 13:03:09 -07006601 }
Jesse Gross7d0fd212010-10-20 13:56:09 +00006602
Michael Chanfde82052007-05-03 17:23:35 -07006603 if ((mss = skb_shinfo(skb)->gso_size)) {
Michael Chana1efb4b2008-10-09 12:24:39 -07006604 u32 tcp_opt_len;
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07006605 struct iphdr *iph;
Michael Chanb6016b72005-05-26 13:03:09 -07006606
Michael Chanb6016b72005-05-26 13:03:09 -07006607 vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
6608
Michael Chan4666f872007-05-03 13:22:28 -07006609 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07006610
Michael Chan4666f872007-05-03 13:22:28 -07006611 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
6612 u32 tcp_off = skb_transport_offset(skb) -
6613 sizeof(struct ipv6hdr) - ETH_HLEN;
Michael Chanb6016b72005-05-26 13:03:09 -07006614
Michael Chan4666f872007-05-03 13:22:28 -07006615 vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
6616 TX_BD_FLAGS_SW_FLAGS;
6617 if (likely(tcp_off == 0))
6618 vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
6619 else {
6620 tcp_off >>= 3;
6621 vlan_tag_flags |= ((tcp_off & 0x3) <<
6622 TX_BD_FLAGS_TCP6_OFF0_SHL) |
6623 ((tcp_off & 0x10) <<
6624 TX_BD_FLAGS_TCP6_OFF4_SHL);
6625 mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
6626 }
6627 } else {
Michael Chan4666f872007-05-03 13:22:28 -07006628 iph = ip_hdr(skb);
Michael Chan4666f872007-05-03 13:22:28 -07006629 if (tcp_opt_len || (iph->ihl > 5)) {
6630 vlan_tag_flags |= ((iph->ihl - 5) +
6631 (tcp_opt_len >> 2)) << 8;
6632 }
Michael Chanb6016b72005-05-26 13:03:09 -07006633 }
Michael Chan4666f872007-05-03 13:22:28 -07006634 } else
Michael Chanb6016b72005-05-26 13:03:09 -07006635 mss = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006636
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006637 mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
6638 if (dma_mapping_error(&bp->pdev->dev, mapping)) {
Eric W. Biedermanf458b2e2014-03-11 14:17:41 -07006639 dev_kfree_skb_any(skb);
Benjamin Li3d16af82008-10-09 12:26:41 -07006640 return NETDEV_TX_OK;
6641 }
6642
Michael Chan35e90102008-06-19 16:37:42 -07006643 tx_buf = &txr->tx_buf_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006644 tx_buf->skb = skb;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006645 dma_unmap_addr_set(tx_buf, mapping, mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006646
Michael Chan35e90102008-06-19 16:37:42 -07006647 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006648
6649 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6650 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6651 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6652 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
6653
6654 last_frag = skb_shinfo(skb)->nr_frags;
Eric Dumazetd62fda02009-05-12 20:48:02 +00006655 tx_buf->nr_frags = last_frag;
6656 tx_buf->is_gso = skb_is_gso(skb);
Michael Chanb6016b72005-05-26 13:03:09 -07006657
6658 for (i = 0; i < last_frag; i++) {
Eric Dumazet9e903e02011-10-18 21:00:24 +00006659 const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Michael Chanb6016b72005-05-26 13:03:09 -07006660
Michael Chan2bc40782012-12-06 10:33:09 +00006661 prod = BNX2_NEXT_TX_BD(prod);
6662 ring_prod = BNX2_TX_RING_IDX(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006663 txbd = &txr->tx_desc_ring[ring_prod];
Michael Chanb6016b72005-05-26 13:03:09 -07006664
Eric Dumazet9e903e02011-10-18 21:00:24 +00006665 len = skb_frag_size(frag);
Ian Campbellb7b6a682011-08-24 22:28:12 +00006666 mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len,
Ian Campbell5d6bcdf2011-10-06 11:10:48 +01006667 DMA_TO_DEVICE);
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006668 if (dma_mapping_error(&bp->pdev->dev, mapping))
Alexander Duycke95524a2009-12-02 16:47:57 +00006669 goto dma_error;
FUJITA Tomonori1a4ccc22010-04-01 16:56:57 +00006670 dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
Alexander Duycke95524a2009-12-02 16:47:57 +00006671 mapping);
Michael Chanb6016b72005-05-26 13:03:09 -07006672
6673 txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
6674 txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
6675 txbd->tx_bd_mss_nbytes = len | (mss << 16);
6676 txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
6677
6678 }
6679 txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
6680
Vlad Zolotarov94bf91b2012-02-05 15:24:39 +00006681 /* Sync BD data before updating TX mailbox */
6682 wmb();
6683
Eric Dumazete9831902011-11-29 11:53:05 +00006684 netdev_tx_sent_queue(txq, skb->len);
6685
Michael Chan2bc40782012-12-06 10:33:09 +00006686 prod = BNX2_NEXT_TX_BD(prod);
Michael Chan35e90102008-06-19 16:37:42 -07006687 txr->tx_prod_bseq += skb->len;
Michael Chanb6016b72005-05-26 13:03:09 -07006688
Michael Chane503e062012-12-06 10:33:08 +00006689 BNX2_WR16(bp, txr->tx_bidx_addr, prod);
6690 BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
Michael Chanb6016b72005-05-26 13:03:09 -07006691
6692 mmiowb();
6693
Michael Chan35e90102008-06-19 16:37:42 -07006694 txr->tx_prod = prod;
Michael Chanb6016b72005-05-26 13:03:09 -07006695
Michael Chan35e90102008-06-19 16:37:42 -07006696 if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
Benjamin Li706bf242008-07-18 17:55:11 -07006697 netif_tx_stop_queue(txq);
Michael Chan11848b962010-07-19 14:15:04 +00006698
6699 /* netif_tx_stop_queue() must be done before checking
6700 * tx index in bnx2_tx_avail() below, because in
6701 * bnx2_tx_int(), we update tx index before checking for
6702 * netif_tx_queue_stopped().
6703 */
6704 smp_mb();
Michael Chan35e90102008-06-19 16:37:42 -07006705 if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
Benjamin Li706bf242008-07-18 17:55:11 -07006706 netif_tx_wake_queue(txq);
Michael Chanb6016b72005-05-26 13:03:09 -07006707 }
6708
6709 return NETDEV_TX_OK;
Alexander Duycke95524a2009-12-02 16:47:57 +00006710dma_error:
6711 /* save value of frag that failed */
6712 last_frag = i;
6713
6714 /* start back at beginning and unmap skb */
6715 prod = txr->tx_prod;
Michael Chan2bc40782012-12-06 10:33:09 +00006716 ring_prod = BNX2_TX_RING_IDX(prod);
Alexander Duycke95524a2009-12-02 16:47:57 +00006717 tx_buf = &txr->tx_buf_ring[ring_prod];
6718 tx_buf->skb = NULL;
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006719 dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Alexander Duycke95524a2009-12-02 16:47:57 +00006720 skb_headlen(skb), PCI_DMA_TODEVICE);
6721
6722 /* unmap remaining mapped pages */
6723 for (i = 0; i < last_frag; i++) {
Michael Chan2bc40782012-12-06 10:33:09 +00006724 prod = BNX2_NEXT_TX_BD(prod);
6725 ring_prod = BNX2_TX_RING_IDX(prod);
Alexander Duycke95524a2009-12-02 16:47:57 +00006726 tx_buf = &txr->tx_buf_ring[ring_prod];
Stanislaw Gruszka36227e82010-07-15 04:25:50 +00006727 dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
Eric Dumazet9e903e02011-10-18 21:00:24 +00006728 skb_frag_size(&skb_shinfo(skb)->frags[i]),
Alexander Duycke95524a2009-12-02 16:47:57 +00006729 PCI_DMA_TODEVICE);
6730 }
6731
Eric W. Biedermanf458b2e2014-03-11 14:17:41 -07006732 dev_kfree_skb_any(skb);
Alexander Duycke95524a2009-12-02 16:47:57 +00006733 return NETDEV_TX_OK;
Michael Chanb6016b72005-05-26 13:03:09 -07006734}
6735
6736/* Called with rtnl_lock */
6737static int
6738bnx2_close(struct net_device *dev)
6739{
Michael Chan972ec0d2006-01-23 16:12:43 -08006740 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006741
Stephen Hemmingerbea33482007-10-03 16:41:36 -07006742 bnx2_disable_int_sync(bp);
Michael Chan35efa7c2007-12-20 19:56:37 -08006743 bnx2_napi_disable(bp);
Michael Chand2e553b2012-06-27 15:08:24 +00006744 netif_tx_disable(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006745 del_timer_sync(&bp->timer);
Michael Chan74bf4ba2008-10-09 12:21:08 -07006746 bnx2_shutdown_chip(bp);
Michael Chan8e6a72c2007-05-03 13:24:48 -07006747 bnx2_free_irq(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006748 bnx2_free_skbs(bp);
6749 bnx2_free_mem(bp);
Michael Chanf048fa92010-06-01 15:05:36 +00006750 bnx2_del_napi(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07006751 bp->link_up = 0;
6752 netif_carrier_off(bp->dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006753 return 0;
6754}
6755
Michael Chan354fcd72010-01-17 07:30:44 +00006756static void
6757bnx2_save_stats(struct bnx2 *bp)
6758{
6759 u32 *hw_stats = (u32 *) bp->stats_blk;
6760 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
6761 int i;
6762
6763 /* The 1st 10 counters are 64-bit counters */
6764 for (i = 0; i < 20; i += 2) {
6765 u32 hi;
6766 u64 lo;
6767
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006768 hi = temp_stats[i] + hw_stats[i];
6769 lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
Michael Chan354fcd72010-01-17 07:30:44 +00006770 if (lo > 0xffffffff)
6771 hi++;
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006772 temp_stats[i] = hi;
6773 temp_stats[i + 1] = lo & 0xffffffff;
Michael Chan354fcd72010-01-17 07:30:44 +00006774 }
6775
6776 for ( ; i < sizeof(struct statistics_block) / 4; i++)
Patrick Rabauc9885fe2010-02-15 19:42:11 +00006777 temp_stats[i] += hw_stats[i];
Michael Chan354fcd72010-01-17 07:30:44 +00006778}
6779
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006780#define GET_64BIT_NET_STATS64(ctr) \
6781 (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
Michael Chanb6016b72005-05-26 13:03:09 -07006782
Michael Chana4743052010-01-17 07:30:43 +00006783#define GET_64BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006784 GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
6785 GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
Michael Chanb6016b72005-05-26 13:03:09 -07006786
Michael Chana4743052010-01-17 07:30:43 +00006787#define GET_32BIT_NET_STATS(ctr) \
Michael Chan354fcd72010-01-17 07:30:44 +00006788 (unsigned long) (bp->stats_blk->ctr + \
6789 bp->temp_stats_blk->ctr)
Michael Chana4743052010-01-17 07:30:43 +00006790
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006791static struct rtnl_link_stats64 *
6792bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
Michael Chanb6016b72005-05-26 13:03:09 -07006793{
Michael Chan972ec0d2006-01-23 16:12:43 -08006794 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006795
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006796 if (bp->stats_blk == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07006797 return net_stats;
Eric Dumazet5d07bf22010-07-08 04:08:43 +00006798
Michael Chanb6016b72005-05-26 13:03:09 -07006799 net_stats->rx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006800 GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
6801 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
6802 GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006803
6804 net_stats->tx_packets =
Michael Chana4743052010-01-17 07:30:43 +00006805 GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
6806 GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
6807 GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006808
6809 net_stats->rx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006810 GET_64BIT_NET_STATS(stat_IfHCInOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006811
6812 net_stats->tx_bytes =
Michael Chana4743052010-01-17 07:30:43 +00006813 GET_64BIT_NET_STATS(stat_IfHCOutOctets);
Michael Chanb6016b72005-05-26 13:03:09 -07006814
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006815 net_stats->multicast =
Michael Chan6fdae992010-07-19 14:15:02 +00006816 GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006817
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006818 net_stats->collisions =
Michael Chana4743052010-01-17 07:30:43 +00006819 GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006820
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006821 net_stats->rx_length_errors =
Michael Chana4743052010-01-17 07:30:43 +00006822 GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
6823 GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
Michael Chanb6016b72005-05-26 13:03:09 -07006824
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006825 net_stats->rx_over_errors =
Michael Chana4743052010-01-17 07:30:43 +00006826 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6827 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
Michael Chanb6016b72005-05-26 13:03:09 -07006828
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006829 net_stats->rx_frame_errors =
Michael Chana4743052010-01-17 07:30:43 +00006830 GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006831
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006832 net_stats->rx_crc_errors =
Michael Chana4743052010-01-17 07:30:43 +00006833 GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006834
6835 net_stats->rx_errors = net_stats->rx_length_errors +
6836 net_stats->rx_over_errors + net_stats->rx_frame_errors +
6837 net_stats->rx_crc_errors;
6838
6839 net_stats->tx_aborted_errors =
Michael Chana4743052010-01-17 07:30:43 +00006840 GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
6841 GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
Michael Chanb6016b72005-05-26 13:03:09 -07006842
Michael Chan4ce45e02012-12-06 10:33:10 +00006843 if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
6844 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07006845 net_stats->tx_carrier_errors = 0;
6846 else {
6847 net_stats->tx_carrier_errors =
Michael Chana4743052010-01-17 07:30:43 +00006848 GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
Michael Chanb6016b72005-05-26 13:03:09 -07006849 }
6850
6851 net_stats->tx_errors =
Michael Chana4743052010-01-17 07:30:43 +00006852 GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
Michael Chanb6016b72005-05-26 13:03:09 -07006853 net_stats->tx_aborted_errors +
6854 net_stats->tx_carrier_errors;
6855
Michael Chancea94db2006-06-12 22:16:13 -07006856 net_stats->rx_missed_errors =
Michael Chana4743052010-01-17 07:30:43 +00006857 GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
6858 GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
6859 GET_32BIT_NET_STATS(stat_FwRxDrop);
Michael Chancea94db2006-06-12 22:16:13 -07006860
Michael Chanb6016b72005-05-26 13:03:09 -07006861 return net_stats;
6862}
6863
6864/* All ethtool functions called with rtnl_lock */
6865
6866static int
6867bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6868{
Michael Chan972ec0d2006-01-23 16:12:43 -08006869 struct bnx2 *bp = netdev_priv(dev);
Michael Chan7b6b8342007-07-07 22:50:15 -07006870 int support_serdes = 0, support_copper = 0;
Michael Chanb6016b72005-05-26 13:03:09 -07006871
6872 cmd->supported = SUPPORTED_Autoneg;
Michael Chan583c28e2008-01-21 19:51:35 -08006873 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07006874 support_serdes = 1;
6875 support_copper = 1;
6876 } else if (bp->phy_port == PORT_FIBRE)
6877 support_serdes = 1;
6878 else
6879 support_copper = 1;
6880
6881 if (support_serdes) {
Michael Chanb6016b72005-05-26 13:03:09 -07006882 cmd->supported |= SUPPORTED_1000baseT_Full |
6883 SUPPORTED_FIBRE;
Michael Chan583c28e2008-01-21 19:51:35 -08006884 if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
Michael Chan605a9e22007-05-03 13:23:13 -07006885 cmd->supported |= SUPPORTED_2500baseX_Full;
Michael Chanb6016b72005-05-26 13:03:09 -07006886
Michael Chanb6016b72005-05-26 13:03:09 -07006887 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006888 if (support_copper) {
Michael Chanb6016b72005-05-26 13:03:09 -07006889 cmd->supported |= SUPPORTED_10baseT_Half |
6890 SUPPORTED_10baseT_Full |
6891 SUPPORTED_100baseT_Half |
6892 SUPPORTED_100baseT_Full |
6893 SUPPORTED_1000baseT_Full |
6894 SUPPORTED_TP;
6895
Michael Chanb6016b72005-05-26 13:03:09 -07006896 }
6897
Michael Chan7b6b8342007-07-07 22:50:15 -07006898 spin_lock_bh(&bp->phy_lock);
6899 cmd->port = bp->phy_port;
Michael Chanb6016b72005-05-26 13:03:09 -07006900 cmd->advertising = bp->advertising;
6901
6902 if (bp->autoneg & AUTONEG_SPEED) {
6903 cmd->autoneg = AUTONEG_ENABLE;
David Decotigny70739492011-04-27 18:32:40 +00006904 } else {
Michael Chanb6016b72005-05-26 13:03:09 -07006905 cmd->autoneg = AUTONEG_DISABLE;
6906 }
6907
6908 if (netif_carrier_ok(dev)) {
David Decotigny70739492011-04-27 18:32:40 +00006909 ethtool_cmd_speed_set(cmd, bp->line_speed);
Michael Chanb6016b72005-05-26 13:03:09 -07006910 cmd->duplex = bp->duplex;
Michael Chan4016bad2013-12-31 23:22:34 -08006911 if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES)) {
6912 if (bp->phy_flags & BNX2_PHY_FLAG_MDIX)
6913 cmd->eth_tp_mdix = ETH_TP_MDI_X;
6914 else
6915 cmd->eth_tp_mdix = ETH_TP_MDI;
6916 }
Michael Chanb6016b72005-05-26 13:03:09 -07006917 }
6918 else {
Jiri Pirko537fae02014-06-06 14:17:00 +02006919 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
6920 cmd->duplex = DUPLEX_UNKNOWN;
Michael Chanb6016b72005-05-26 13:03:09 -07006921 }
Michael Chan7b6b8342007-07-07 22:50:15 -07006922 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07006923
6924 cmd->transceiver = XCVR_INTERNAL;
6925 cmd->phy_address = bp->phy_addr;
6926
6927 return 0;
6928}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04006929
Michael Chanb6016b72005-05-26 13:03:09 -07006930static int
6931bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
6932{
Michael Chan972ec0d2006-01-23 16:12:43 -08006933 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07006934 u8 autoneg = bp->autoneg;
6935 u8 req_duplex = bp->req_duplex;
6936 u16 req_line_speed = bp->req_line_speed;
6937 u32 advertising = bp->advertising;
Michael Chan7b6b8342007-07-07 22:50:15 -07006938 int err = -EINVAL;
6939
6940 spin_lock_bh(&bp->phy_lock);
6941
6942 if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
6943 goto err_out_unlock;
6944
Michael Chan583c28e2008-01-21 19:51:35 -08006945 if (cmd->port != bp->phy_port &&
6946 !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
Michael Chan7b6b8342007-07-07 22:50:15 -07006947 goto err_out_unlock;
Michael Chanb6016b72005-05-26 13:03:09 -07006948
Michael Chand6b14482008-07-14 22:37:21 -07006949 /* If device is down, we can store the settings only if the user
6950 * is setting the currently active port.
6951 */
6952 if (!netif_running(dev) && cmd->port != bp->phy_port)
6953 goto err_out_unlock;
6954
Michael Chanb6016b72005-05-26 13:03:09 -07006955 if (cmd->autoneg == AUTONEG_ENABLE) {
6956 autoneg |= AUTONEG_SPEED;
6957
Michael Chanbeb499a2010-02-15 19:42:10 +00006958 advertising = cmd->advertising;
6959 if (cmd->port == PORT_TP) {
6960 advertising &= ETHTOOL_ALL_COPPER_SPEED;
6961 if (!advertising)
Michael Chanb6016b72005-05-26 13:03:09 -07006962 advertising = ETHTOOL_ALL_COPPER_SPEED;
Michael Chanbeb499a2010-02-15 19:42:10 +00006963 } else {
6964 advertising &= ETHTOOL_ALL_FIBRE_SPEED;
6965 if (!advertising)
6966 advertising = ETHTOOL_ALL_FIBRE_SPEED;
Michael Chanb6016b72005-05-26 13:03:09 -07006967 }
6968 advertising |= ADVERTISED_Autoneg;
6969 }
6970 else {
David Decotigny25db0332011-04-27 18:32:39 +00006971 u32 speed = ethtool_cmd_speed(cmd);
Michael Chan7b6b8342007-07-07 22:50:15 -07006972 if (cmd->port == PORT_FIBRE) {
David Decotigny25db0332011-04-27 18:32:39 +00006973 if ((speed != SPEED_1000 &&
6974 speed != SPEED_2500) ||
Michael Chan80be4432006-11-19 14:07:28 -08006975 (cmd->duplex != DUPLEX_FULL))
Michael Chan7b6b8342007-07-07 22:50:15 -07006976 goto err_out_unlock;
Michael Chan80be4432006-11-19 14:07:28 -08006977
David Decotigny25db0332011-04-27 18:32:39 +00006978 if (speed == SPEED_2500 &&
Michael Chan583c28e2008-01-21 19:51:35 -08006979 !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
Michael Chan7b6b8342007-07-07 22:50:15 -07006980 goto err_out_unlock;
David Decotigny25db0332011-04-27 18:32:39 +00006981 } else if (speed == SPEED_1000 || speed == SPEED_2500)
Michael Chan7b6b8342007-07-07 22:50:15 -07006982 goto err_out_unlock;
6983
Michael Chanb6016b72005-05-26 13:03:09 -07006984 autoneg &= ~AUTONEG_SPEED;
David Decotigny25db0332011-04-27 18:32:39 +00006985 req_line_speed = speed;
Michael Chanb6016b72005-05-26 13:03:09 -07006986 req_duplex = cmd->duplex;
6987 advertising = 0;
6988 }
6989
6990 bp->autoneg = autoneg;
6991 bp->advertising = advertising;
6992 bp->req_line_speed = req_line_speed;
6993 bp->req_duplex = req_duplex;
6994
Michael Chand6b14482008-07-14 22:37:21 -07006995 err = 0;
6996 /* If device is down, the new settings will be picked up when it is
6997 * brought up.
6998 */
6999 if (netif_running(dev))
7000 err = bnx2_setup_phy(bp, cmd->port);
Michael Chanb6016b72005-05-26 13:03:09 -07007001
Michael Chan7b6b8342007-07-07 22:50:15 -07007002err_out_unlock:
Michael Chanc770a652005-08-25 15:38:39 -07007003 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007004
Michael Chan7b6b8342007-07-07 22:50:15 -07007005 return err;
Michael Chanb6016b72005-05-26 13:03:09 -07007006}
7007
7008static void
7009bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7010{
Michael Chan972ec0d2006-01-23 16:12:43 -08007011 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007012
Rick Jones68aad782011-11-07 13:29:27 +00007013 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
7014 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
7015 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
7016 strlcpy(info->fw_version, bp->fw_version, sizeof(info->fw_version));
Michael Chanb6016b72005-05-26 13:03:09 -07007017}
7018
Michael Chan244ac4f2006-03-20 17:48:46 -08007019#define BNX2_REGDUMP_LEN (32 * 1024)
7020
7021static int
7022bnx2_get_regs_len(struct net_device *dev)
7023{
7024 return BNX2_REGDUMP_LEN;
7025}
7026
7027static void
7028bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
7029{
7030 u32 *p = _p, i, offset;
7031 u8 *orig_p = _p;
7032 struct bnx2 *bp = netdev_priv(dev);
Joe Perchesb6bc7652010-12-21 02:16:08 -08007033 static const u32 reg_boundaries[] = {
7034 0x0000, 0x0098, 0x0400, 0x045c,
7035 0x0800, 0x0880, 0x0c00, 0x0c10,
7036 0x0c30, 0x0d08, 0x1000, 0x101c,
7037 0x1040, 0x1048, 0x1080, 0x10a4,
7038 0x1400, 0x1490, 0x1498, 0x14f0,
7039 0x1500, 0x155c, 0x1580, 0x15dc,
7040 0x1600, 0x1658, 0x1680, 0x16d8,
7041 0x1800, 0x1820, 0x1840, 0x1854,
7042 0x1880, 0x1894, 0x1900, 0x1984,
7043 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
7044 0x1c80, 0x1c94, 0x1d00, 0x1d84,
7045 0x2000, 0x2030, 0x23c0, 0x2400,
7046 0x2800, 0x2820, 0x2830, 0x2850,
7047 0x2b40, 0x2c10, 0x2fc0, 0x3058,
7048 0x3c00, 0x3c94, 0x4000, 0x4010,
7049 0x4080, 0x4090, 0x43c0, 0x4458,
7050 0x4c00, 0x4c18, 0x4c40, 0x4c54,
7051 0x4fc0, 0x5010, 0x53c0, 0x5444,
7052 0x5c00, 0x5c18, 0x5c80, 0x5c90,
7053 0x5fc0, 0x6000, 0x6400, 0x6428,
7054 0x6800, 0x6848, 0x684c, 0x6860,
7055 0x6888, 0x6910, 0x8000
7056 };
Michael Chan244ac4f2006-03-20 17:48:46 -08007057
7058 regs->version = 0;
7059
7060 memset(p, 0, BNX2_REGDUMP_LEN);
7061
7062 if (!netif_running(bp->dev))
7063 return;
7064
7065 i = 0;
7066 offset = reg_boundaries[0];
7067 p += offset;
7068 while (offset < BNX2_REGDUMP_LEN) {
Michael Chane503e062012-12-06 10:33:08 +00007069 *p++ = BNX2_RD(bp, offset);
Michael Chan244ac4f2006-03-20 17:48:46 -08007070 offset += 4;
7071 if (offset == reg_boundaries[i + 1]) {
7072 offset = reg_boundaries[i + 2];
7073 p = (u32 *) (orig_p + offset);
7074 i += 2;
7075 }
7076 }
7077}
7078
Michael Chanb6016b72005-05-26 13:03:09 -07007079static void
7080bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7081{
Michael Chan972ec0d2006-01-23 16:12:43 -08007082 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007083
David S. Millerf86e82f2008-01-21 17:15:40 -08007084 if (bp->flags & BNX2_FLAG_NO_WOL) {
Michael Chanb6016b72005-05-26 13:03:09 -07007085 wol->supported = 0;
7086 wol->wolopts = 0;
7087 }
7088 else {
7089 wol->supported = WAKE_MAGIC;
7090 if (bp->wol)
7091 wol->wolopts = WAKE_MAGIC;
7092 else
7093 wol->wolopts = 0;
7094 }
7095 memset(&wol->sopass, 0, sizeof(wol->sopass));
7096}
7097
7098static int
7099bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7100{
Michael Chan972ec0d2006-01-23 16:12:43 -08007101 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007102
7103 if (wol->wolopts & ~WAKE_MAGIC)
7104 return -EINVAL;
7105
7106 if (wol->wolopts & WAKE_MAGIC) {
David S. Millerf86e82f2008-01-21 17:15:40 -08007107 if (bp->flags & BNX2_FLAG_NO_WOL)
Michael Chanb6016b72005-05-26 13:03:09 -07007108 return -EINVAL;
7109
7110 bp->wol = 1;
7111 }
7112 else {
7113 bp->wol = 0;
7114 }
Michael Chan6d5e85c2013-08-06 15:50:08 -07007115
7116 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
7117
Michael Chanb6016b72005-05-26 13:03:09 -07007118 return 0;
7119}
7120
7121static int
7122bnx2_nway_reset(struct net_device *dev)
7123{
Michael Chan972ec0d2006-01-23 16:12:43 -08007124 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007125 u32 bmcr;
7126
Michael Chan9f52b562008-10-09 12:21:46 -07007127 if (!netif_running(dev))
7128 return -EAGAIN;
7129
Michael Chanb6016b72005-05-26 13:03:09 -07007130 if (!(bp->autoneg & AUTONEG_SPEED)) {
7131 return -EINVAL;
7132 }
7133
Michael Chanc770a652005-08-25 15:38:39 -07007134 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007135
Michael Chan583c28e2008-01-21 19:51:35 -08007136 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
Michael Chan7b6b8342007-07-07 22:50:15 -07007137 int rc;
7138
7139 rc = bnx2_setup_remote_phy(bp, bp->phy_port);
7140 spin_unlock_bh(&bp->phy_lock);
7141 return rc;
7142 }
7143
Michael Chanb6016b72005-05-26 13:03:09 -07007144 /* Force a link down visible on the other side */
Michael Chan583c28e2008-01-21 19:51:35 -08007145 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chanca58c3a2007-05-03 13:22:52 -07007146 bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
Michael Chanc770a652005-08-25 15:38:39 -07007147 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007148
7149 msleep(20);
7150
Michael Chanc770a652005-08-25 15:38:39 -07007151 spin_lock_bh(&bp->phy_lock);
Michael Chanf8dd0642006-11-19 14:08:29 -08007152
Michael Chan40105c02008-11-12 16:02:45 -08007153 bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
Michael Chanf8dd0642006-11-19 14:08:29 -08007154 bp->serdes_an_pending = 1;
7155 mod_timer(&bp->timer, jiffies + bp->current_interval);
Michael Chanb6016b72005-05-26 13:03:09 -07007156 }
7157
Michael Chanca58c3a2007-05-03 13:22:52 -07007158 bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
Michael Chanb6016b72005-05-26 13:03:09 -07007159 bmcr &= ~BMCR_LOOPBACK;
Michael Chanca58c3a2007-05-03 13:22:52 -07007160 bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
Michael Chanb6016b72005-05-26 13:03:09 -07007161
Michael Chanc770a652005-08-25 15:38:39 -07007162 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007163
7164 return 0;
7165}
7166
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007167static u32
7168bnx2_get_link(struct net_device *dev)
7169{
7170 struct bnx2 *bp = netdev_priv(dev);
7171
7172 return bp->link_up;
7173}
7174
Michael Chanb6016b72005-05-26 13:03:09 -07007175static int
7176bnx2_get_eeprom_len(struct net_device *dev)
7177{
Michael Chan972ec0d2006-01-23 16:12:43 -08007178 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007179
Michael Chan1122db72006-01-23 16:11:42 -08007180 if (bp->flash_info == NULL)
Michael Chanb6016b72005-05-26 13:03:09 -07007181 return 0;
7182
Michael Chan1122db72006-01-23 16:11:42 -08007183 return (int) bp->flash_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007184}
7185
7186static int
7187bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7188 u8 *eebuf)
7189{
Michael Chan972ec0d2006-01-23 16:12:43 -08007190 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007191 int rc;
7192
John W. Linville1064e942005-11-10 12:58:24 -08007193 /* parameters already validated in ethtool_get_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07007194
7195 rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
7196
7197 return rc;
7198}
7199
7200static int
7201bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
7202 u8 *eebuf)
7203{
Michael Chan972ec0d2006-01-23 16:12:43 -08007204 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007205 int rc;
7206
John W. Linville1064e942005-11-10 12:58:24 -08007207 /* parameters already validated in ethtool_set_eeprom */
Michael Chanb6016b72005-05-26 13:03:09 -07007208
7209 rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
7210
7211 return rc;
7212}
7213
7214static int
7215bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7216{
Michael Chan972ec0d2006-01-23 16:12:43 -08007217 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007218
7219 memset(coal, 0, sizeof(struct ethtool_coalesce));
7220
7221 coal->rx_coalesce_usecs = bp->rx_ticks;
7222 coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
7223 coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
7224 coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
7225
7226 coal->tx_coalesce_usecs = bp->tx_ticks;
7227 coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
7228 coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
7229 coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
7230
7231 coal->stats_block_coalesce_usecs = bp->stats_ticks;
7232
7233 return 0;
7234}
7235
7236static int
7237bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7238{
Michael Chan972ec0d2006-01-23 16:12:43 -08007239 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007240
7241 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
7242 if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
7243
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007244 bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
Michael Chanb6016b72005-05-26 13:03:09 -07007245 if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
7246
7247 bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
7248 if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
7249
7250 bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
7251 if (bp->rx_quick_cons_trip_int > 0xff)
7252 bp->rx_quick_cons_trip_int = 0xff;
7253
7254 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
7255 if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
7256
7257 bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
7258 if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
7259
7260 bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
7261 if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
7262
7263 bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
7264 if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
7265 0xff;
7266
7267 bp->stats_ticks = coal->stats_block_coalesce_usecs;
Michael Chan61d9e3f2009-08-21 16:20:46 +00007268 if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
Michael Chan02537b062007-06-04 21:24:07 -07007269 if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
7270 bp->stats_ticks = USEC_PER_SEC;
7271 }
Michael Chan7ea69202007-07-16 18:27:10 -07007272 if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
7273 bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7274 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07007275
7276 if (netif_running(bp->dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00007277 bnx2_netif_stop(bp, true);
Michael Chan9a120bc2008-05-16 22:17:45 -07007278 bnx2_init_nic(bp, 0);
Michael Chan212f9932010-04-27 11:28:10 +00007279 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007280 }
7281
7282 return 0;
7283}
7284
7285static void
7286bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7287{
Michael Chan972ec0d2006-01-23 16:12:43 -08007288 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007289
Michael Chan2bc40782012-12-06 10:33:09 +00007290 ering->rx_max_pending = BNX2_MAX_TOTAL_RX_DESC_CNT;
7291 ering->rx_jumbo_max_pending = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007292
7293 ering->rx_pending = bp->rx_ring_size;
Michael Chan47bf4242007-12-12 11:19:12 -08007294 ering->rx_jumbo_pending = bp->rx_pg_ring_size;
Michael Chanb6016b72005-05-26 13:03:09 -07007295
Michael Chan2bc40782012-12-06 10:33:09 +00007296 ering->tx_max_pending = BNX2_MAX_TX_DESC_CNT;
Michael Chanb6016b72005-05-26 13:03:09 -07007297 ering->tx_pending = bp->tx_ring_size;
7298}
7299
7300static int
Michael Chanb0332812012-02-05 15:24:38 +00007301bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx, bool reset_irq)
Michael Chanb6016b72005-05-26 13:03:09 -07007302{
Michael Chan13daffa2006-03-20 17:49:20 -08007303 if (netif_running(bp->dev)) {
Michael Chan354fcd72010-01-17 07:30:44 +00007304 /* Reset will erase chipset stats; save them */
7305 bnx2_save_stats(bp);
7306
Michael Chan212f9932010-04-27 11:28:10 +00007307 bnx2_netif_stop(bp, true);
Michael Chan13daffa2006-03-20 17:49:20 -08007308 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
Michael Chanb0332812012-02-05 15:24:38 +00007309 if (reset_irq) {
7310 bnx2_free_irq(bp);
7311 bnx2_del_napi(bp);
7312 } else {
7313 __bnx2_free_irq(bp);
7314 }
Michael Chan13daffa2006-03-20 17:49:20 -08007315 bnx2_free_skbs(bp);
7316 bnx2_free_mem(bp);
7317 }
7318
Michael Chan5d5d0012007-12-12 11:17:43 -08007319 bnx2_set_rx_ring_size(bp, rx);
7320 bp->tx_ring_size = tx;
Michael Chanb6016b72005-05-26 13:03:09 -07007321
7322 if (netif_running(bp->dev)) {
Michael Chanb0332812012-02-05 15:24:38 +00007323 int rc = 0;
Michael Chan13daffa2006-03-20 17:49:20 -08007324
Michael Chanb0332812012-02-05 15:24:38 +00007325 if (reset_irq) {
7326 rc = bnx2_setup_int_mode(bp, disable_msi);
7327 bnx2_init_napi(bp);
7328 }
7329
7330 if (!rc)
7331 rc = bnx2_alloc_mem(bp);
7332
Michael Chan6fefb652009-08-21 16:20:45 +00007333 if (!rc)
Michael Chana29ba9d2010-12-31 11:03:14 -08007334 rc = bnx2_request_irq(bp);
7335
7336 if (!rc)
Michael Chan6fefb652009-08-21 16:20:45 +00007337 rc = bnx2_init_nic(bp, 0);
7338
7339 if (rc) {
7340 bnx2_napi_enable(bp);
7341 dev_close(bp->dev);
Michael Chan13daffa2006-03-20 17:49:20 -08007342 return rc;
Michael Chan6fefb652009-08-21 16:20:45 +00007343 }
Michael Chane9f26c42010-02-15 19:42:08 +00007344#ifdef BCM_CNIC
7345 mutex_lock(&bp->cnic_lock);
7346 /* Let cnic know about the new status block. */
7347 if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
7348 bnx2_setup_cnic_irq_info(bp);
7349 mutex_unlock(&bp->cnic_lock);
7350#endif
Michael Chan212f9932010-04-27 11:28:10 +00007351 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007352 }
Michael Chanb6016b72005-05-26 13:03:09 -07007353 return 0;
7354}
7355
Michael Chan5d5d0012007-12-12 11:17:43 -08007356static int
7357bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
7358{
7359 struct bnx2 *bp = netdev_priv(dev);
7360 int rc;
7361
Michael Chan2bc40782012-12-06 10:33:09 +00007362 if ((ering->rx_pending > BNX2_MAX_TOTAL_RX_DESC_CNT) ||
7363 (ering->tx_pending > BNX2_MAX_TX_DESC_CNT) ||
Michael Chan5d5d0012007-12-12 11:17:43 -08007364 (ering->tx_pending <= MAX_SKB_FRAGS)) {
7365
7366 return -EINVAL;
7367 }
Michael Chanb0332812012-02-05 15:24:38 +00007368 rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending,
7369 false);
Michael Chan5d5d0012007-12-12 11:17:43 -08007370 return rc;
7371}
7372
Michael Chanb6016b72005-05-26 13:03:09 -07007373static void
7374bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7375{
Michael Chan972ec0d2006-01-23 16:12:43 -08007376 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007377
7378 epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
7379 epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
7380 epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
7381}
7382
7383static int
7384bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
7385{
Michael Chan972ec0d2006-01-23 16:12:43 -08007386 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007387
7388 bp->req_flow_ctrl = 0;
7389 if (epause->rx_pause)
7390 bp->req_flow_ctrl |= FLOW_CTRL_RX;
7391 if (epause->tx_pause)
7392 bp->req_flow_ctrl |= FLOW_CTRL_TX;
7393
7394 if (epause->autoneg) {
7395 bp->autoneg |= AUTONEG_FLOW_CTRL;
7396 }
7397 else {
7398 bp->autoneg &= ~AUTONEG_FLOW_CTRL;
7399 }
7400
Michael Chan9f52b562008-10-09 12:21:46 -07007401 if (netif_running(dev)) {
7402 spin_lock_bh(&bp->phy_lock);
7403 bnx2_setup_phy(bp, bp->phy_port);
7404 spin_unlock_bh(&bp->phy_lock);
7405 }
Michael Chanb6016b72005-05-26 13:03:09 -07007406
7407 return 0;
7408}
7409
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007410static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007411 char string[ETH_GSTRING_LEN];
Michael Chan790dab22009-08-21 16:20:47 +00007412} bnx2_stats_str_arr[] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007413 { "rx_bytes" },
7414 { "rx_error_bytes" },
7415 { "tx_bytes" },
7416 { "tx_error_bytes" },
7417 { "rx_ucast_packets" },
7418 { "rx_mcast_packets" },
7419 { "rx_bcast_packets" },
7420 { "tx_ucast_packets" },
7421 { "tx_mcast_packets" },
7422 { "tx_bcast_packets" },
7423 { "tx_mac_errors" },
7424 { "tx_carrier_errors" },
7425 { "rx_crc_errors" },
7426 { "rx_align_errors" },
7427 { "tx_single_collisions" },
7428 { "tx_multi_collisions" },
7429 { "tx_deferred" },
7430 { "tx_excess_collisions" },
7431 { "tx_late_collisions" },
7432 { "tx_total_collisions" },
7433 { "rx_fragments" },
7434 { "rx_jabbers" },
7435 { "rx_undersize_packets" },
7436 { "rx_oversize_packets" },
7437 { "rx_64_byte_packets" },
7438 { "rx_65_to_127_byte_packets" },
7439 { "rx_128_to_255_byte_packets" },
7440 { "rx_256_to_511_byte_packets" },
7441 { "rx_512_to_1023_byte_packets" },
7442 { "rx_1024_to_1522_byte_packets" },
7443 { "rx_1523_to_9022_byte_packets" },
7444 { "tx_64_byte_packets" },
7445 { "tx_65_to_127_byte_packets" },
7446 { "tx_128_to_255_byte_packets" },
7447 { "tx_256_to_511_byte_packets" },
7448 { "tx_512_to_1023_byte_packets" },
7449 { "tx_1024_to_1522_byte_packets" },
7450 { "tx_1523_to_9022_byte_packets" },
7451 { "rx_xon_frames" },
7452 { "rx_xoff_frames" },
7453 { "tx_xon_frames" },
7454 { "tx_xoff_frames" },
7455 { "rx_mac_ctrl_frames" },
7456 { "rx_filtered_packets" },
Michael Chan790dab22009-08-21 16:20:47 +00007457 { "rx_ftq_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007458 { "rx_discards" },
Michael Chancea94db2006-06-12 22:16:13 -07007459 { "rx_fw_discards" },
Michael Chanb6016b72005-05-26 13:03:09 -07007460};
7461
Jim Cromie0db83cd2012-04-10 14:56:03 +00007462#define BNX2_NUM_STATS ARRAY_SIZE(bnx2_stats_str_arr)
Michael Chan790dab22009-08-21 16:20:47 +00007463
Michael Chanb6016b72005-05-26 13:03:09 -07007464#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
7465
Arjan van de Venf71e1302006-03-03 21:33:57 -05007466static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007467 STATS_OFFSET32(stat_IfHCInOctets_hi),
7468 STATS_OFFSET32(stat_IfHCInBadOctets_hi),
7469 STATS_OFFSET32(stat_IfHCOutOctets_hi),
7470 STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
7471 STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
7472 STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
7473 STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
7474 STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
7475 STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
7476 STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
7477 STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007478 STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
7479 STATS_OFFSET32(stat_Dot3StatsFCSErrors),
7480 STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
7481 STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
7482 STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
7483 STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
7484 STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
7485 STATS_OFFSET32(stat_Dot3StatsLateCollisions),
7486 STATS_OFFSET32(stat_EtherStatsCollisions),
7487 STATS_OFFSET32(stat_EtherStatsFragments),
7488 STATS_OFFSET32(stat_EtherStatsJabbers),
7489 STATS_OFFSET32(stat_EtherStatsUndersizePkts),
7490 STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
7491 STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
7492 STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
7493 STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
7494 STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
7495 STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
7496 STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
7497 STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
7498 STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
7499 STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
7500 STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
7501 STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
7502 STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
7503 STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
7504 STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
7505 STATS_OFFSET32(stat_XonPauseFramesReceived),
7506 STATS_OFFSET32(stat_XoffPauseFramesReceived),
7507 STATS_OFFSET32(stat_OutXonSent),
7508 STATS_OFFSET32(stat_OutXoffSent),
7509 STATS_OFFSET32(stat_MacControlFramesReceived),
7510 STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
Michael Chan790dab22009-08-21 16:20:47 +00007511 STATS_OFFSET32(stat_IfInFTQDiscards),
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007512 STATS_OFFSET32(stat_IfInMBUFDiscards),
Michael Chancea94db2006-06-12 22:16:13 -07007513 STATS_OFFSET32(stat_FwRxDrop),
Michael Chanb6016b72005-05-26 13:03:09 -07007514};
7515
7516/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
7517 * skipped because of errata.
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007518 */
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007519static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
Michael Chanb6016b72005-05-26 13:03:09 -07007520 8,0,8,8,8,8,8,8,8,8,
7521 4,0,4,4,4,4,4,4,4,4,
7522 4,4,4,4,4,4,4,4,4,4,
7523 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007524 4,4,4,4,4,4,4,
Michael Chanb6016b72005-05-26 13:03:09 -07007525};
7526
Michael Chan5b0c76a2005-11-04 08:45:49 -08007527static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
7528 8,0,8,8,8,8,8,8,8,8,
7529 4,4,4,4,4,4,4,4,4,4,
7530 4,4,4,4,4,4,4,4,4,4,
7531 4,4,4,4,4,4,4,4,4,4,
Michael Chan790dab22009-08-21 16:20:47 +00007532 4,4,4,4,4,4,4,
Michael Chan5b0c76a2005-11-04 08:45:49 -08007533};
7534
Michael Chanb6016b72005-05-26 13:03:09 -07007535#define BNX2_NUM_TESTS 6
7536
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007537static struct {
Michael Chanb6016b72005-05-26 13:03:09 -07007538 char string[ETH_GSTRING_LEN];
7539} bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
7540 { "register_test (offline)" },
7541 { "memory_test (offline)" },
7542 { "loopback_test (offline)" },
7543 { "nvram_test (online)" },
7544 { "interrupt_test (online)" },
7545 { "link_test (online)" },
7546};
7547
7548static int
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007549bnx2_get_sset_count(struct net_device *dev, int sset)
Michael Chanb6016b72005-05-26 13:03:09 -07007550{
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007551 switch (sset) {
7552 case ETH_SS_TEST:
7553 return BNX2_NUM_TESTS;
7554 case ETH_SS_STATS:
7555 return BNX2_NUM_STATS;
7556 default:
7557 return -EOPNOTSUPP;
7558 }
Michael Chanb6016b72005-05-26 13:03:09 -07007559}
7560
7561static void
7562bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7563{
Michael Chan972ec0d2006-01-23 16:12:43 -08007564 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007565
7566 memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
7567 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chan80be4432006-11-19 14:07:28 -08007568 int i;
7569
Michael Chan212f9932010-04-27 11:28:10 +00007570 bnx2_netif_stop(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007571 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7572 bnx2_free_skbs(bp);
7573
7574 if (bnx2_test_registers(bp) != 0) {
7575 buf[0] = 1;
7576 etest->flags |= ETH_TEST_FL_FAILED;
7577 }
7578 if (bnx2_test_memory(bp) != 0) {
7579 buf[1] = 1;
7580 etest->flags |= ETH_TEST_FL_FAILED;
7581 }
Michael Chanbc5a0692006-01-23 16:13:22 -08007582 if ((buf[2] = bnx2_test_loopback(bp)) != 0)
Michael Chanb6016b72005-05-26 13:03:09 -07007583 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chanb6016b72005-05-26 13:03:09 -07007584
Michael Chan9f52b562008-10-09 12:21:46 -07007585 if (!netif_running(bp->dev))
7586 bnx2_shutdown_chip(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07007587 else {
Michael Chan9a120bc2008-05-16 22:17:45 -07007588 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00007589 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07007590 }
7591
7592 /* wait for link up */
Michael Chan80be4432006-11-19 14:07:28 -08007593 for (i = 0; i < 7; i++) {
7594 if (bp->link_up)
7595 break;
7596 msleep_interruptible(1000);
7597 }
Michael Chanb6016b72005-05-26 13:03:09 -07007598 }
7599
7600 if (bnx2_test_nvram(bp) != 0) {
7601 buf[3] = 1;
7602 etest->flags |= ETH_TEST_FL_FAILED;
7603 }
7604 if (bnx2_test_intr(bp) != 0) {
7605 buf[4] = 1;
7606 etest->flags |= ETH_TEST_FL_FAILED;
7607 }
7608
7609 if (bnx2_test_link(bp) != 0) {
7610 buf[5] = 1;
7611 etest->flags |= ETH_TEST_FL_FAILED;
7612
7613 }
7614}
7615
7616static void
7617bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
7618{
7619 switch (stringset) {
7620 case ETH_SS_STATS:
7621 memcpy(buf, bnx2_stats_str_arr,
7622 sizeof(bnx2_stats_str_arr));
7623 break;
7624 case ETH_SS_TEST:
7625 memcpy(buf, bnx2_tests_str_arr,
7626 sizeof(bnx2_tests_str_arr));
7627 break;
7628 }
7629}
7630
Michael Chanb6016b72005-05-26 13:03:09 -07007631static void
7632bnx2_get_ethtool_stats(struct net_device *dev,
7633 struct ethtool_stats *stats, u64 *buf)
7634{
Michael Chan972ec0d2006-01-23 16:12:43 -08007635 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007636 int i;
7637 u32 *hw_stats = (u32 *) bp->stats_blk;
Michael Chan354fcd72010-01-17 07:30:44 +00007638 u32 *temp_stats = (u32 *) bp->temp_stats_blk;
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007639 u8 *stats_len_arr = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07007640
7641 if (hw_stats == NULL) {
7642 memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
7643 return;
7644 }
7645
Michael Chan4ce45e02012-12-06 10:33:10 +00007646 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
7647 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) ||
7648 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A2) ||
7649 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
Michael Chanb6016b72005-05-26 13:03:09 -07007650 stats_len_arr = bnx2_5706_stats_len_arr;
Michael Chan5b0c76a2005-11-04 08:45:49 -08007651 else
7652 stats_len_arr = bnx2_5708_stats_len_arr;
Michael Chanb6016b72005-05-26 13:03:09 -07007653
7654 for (i = 0; i < BNX2_NUM_STATS; i++) {
Michael Chan354fcd72010-01-17 07:30:44 +00007655 unsigned long offset;
7656
Michael Chanb6016b72005-05-26 13:03:09 -07007657 if (stats_len_arr[i] == 0) {
7658 /* skip this counter */
7659 buf[i] = 0;
7660 continue;
7661 }
Michael Chan354fcd72010-01-17 07:30:44 +00007662
7663 offset = bnx2_stats_offset_arr[i];
Michael Chanb6016b72005-05-26 13:03:09 -07007664 if (stats_len_arr[i] == 4) {
7665 /* 4-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007666 buf[i] = (u64) *(hw_stats + offset) +
7667 *(temp_stats + offset);
Michael Chanb6016b72005-05-26 13:03:09 -07007668 continue;
7669 }
7670 /* 8-byte counter */
Michael Chan354fcd72010-01-17 07:30:44 +00007671 buf[i] = (((u64) *(hw_stats + offset)) << 32) +
7672 *(hw_stats + offset + 1) +
7673 (((u64) *(temp_stats + offset)) << 32) +
7674 *(temp_stats + offset + 1);
Michael Chanb6016b72005-05-26 13:03:09 -07007675 }
7676}
7677
7678static int
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007679bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
Michael Chanb6016b72005-05-26 13:03:09 -07007680{
Michael Chan972ec0d2006-01-23 16:12:43 -08007681 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007682
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007683 switch (state) {
7684 case ETHTOOL_ID_ACTIVE:
Michael Chane503e062012-12-06 10:33:08 +00007685 bp->leds_save = BNX2_RD(bp, BNX2_MISC_CFG);
7686 BNX2_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
Allan, Bruce Wfce55922011-04-13 13:09:10 +00007687 return 1; /* cycle on/off once per second */
Michael Chanb6016b72005-05-26 13:03:09 -07007688
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007689 case ETHTOOL_ID_ON:
Michael Chane503e062012-12-06 10:33:08 +00007690 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
7691 BNX2_EMAC_LED_1000MB_OVERRIDE |
7692 BNX2_EMAC_LED_100MB_OVERRIDE |
7693 BNX2_EMAC_LED_10MB_OVERRIDE |
7694 BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
7695 BNX2_EMAC_LED_TRAFFIC);
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007696 break;
Michael Chanb6016b72005-05-26 13:03:09 -07007697
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007698 case ETHTOOL_ID_OFF:
Michael Chane503e062012-12-06 10:33:08 +00007699 BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007700 break;
7701
7702 case ETHTOOL_ID_INACTIVE:
Michael Chane503e062012-12-06 10:33:08 +00007703 BNX2_WR(bp, BNX2_EMAC_LED, 0);
7704 BNX2_WR(bp, BNX2_MISC_CFG, bp->leds_save);
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007705 break;
Michael Chanb6016b72005-05-26 13:03:09 -07007706 }
Michael Chan9f52b562008-10-09 12:21:46 -07007707
Michael Chanb6016b72005-05-26 13:03:09 -07007708 return 0;
7709}
7710
Michael Chanfdc85412010-07-03 20:42:16 +00007711static int
Michał Mirosławc8f44af2011-11-15 15:29:55 +00007712bnx2_set_features(struct net_device *dev, netdev_features_t features)
Michael Chanfdc85412010-07-03 20:42:16 +00007713{
Jesse Gross7d0fd212010-10-20 13:56:09 +00007714 struct bnx2 *bp = netdev_priv(dev);
Jesse Gross7d0fd212010-10-20 13:56:09 +00007715
Michael Chan7c810472011-01-24 12:59:02 +00007716 /* TSO with VLAN tag won't work with current firmware */
Patrick McHardyf6469682013-04-19 02:04:27 +00007717 if (features & NETIF_F_HW_VLAN_CTAG_TX)
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007718 dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO);
7719 else
7720 dev->vlan_features &= ~NETIF_F_ALL_TSO;
Michael Chan7c810472011-01-24 12:59:02 +00007721
Patrick McHardyf6469682013-04-19 02:04:27 +00007722 if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) !=
Jesse Gross7d0fd212010-10-20 13:56:09 +00007723 !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
7724 netif_running(dev)) {
7725 bnx2_netif_stop(bp, false);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007726 dev->features = features;
Jesse Gross7d0fd212010-10-20 13:56:09 +00007727 bnx2_set_rx_mode(dev);
7728 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
7729 bnx2_netif_start(bp, false);
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00007730 return 1;
Jesse Gross7d0fd212010-10-20 13:56:09 +00007731 }
7732
7733 return 0;
Michael Chanfdc85412010-07-03 20:42:16 +00007734}
7735
Michael Chanb0332812012-02-05 15:24:38 +00007736static void bnx2_get_channels(struct net_device *dev,
7737 struct ethtool_channels *channels)
7738{
7739 struct bnx2 *bp = netdev_priv(dev);
7740 u32 max_rx_rings = 1;
7741 u32 max_tx_rings = 1;
7742
7743 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7744 max_rx_rings = RX_MAX_RINGS;
7745 max_tx_rings = TX_MAX_RINGS;
7746 }
7747
7748 channels->max_rx = max_rx_rings;
7749 channels->max_tx = max_tx_rings;
7750 channels->max_other = 0;
7751 channels->max_combined = 0;
7752 channels->rx_count = bp->num_rx_rings;
7753 channels->tx_count = bp->num_tx_rings;
7754 channels->other_count = 0;
7755 channels->combined_count = 0;
7756}
7757
7758static int bnx2_set_channels(struct net_device *dev,
7759 struct ethtool_channels *channels)
7760{
7761 struct bnx2 *bp = netdev_priv(dev);
7762 u32 max_rx_rings = 1;
7763 u32 max_tx_rings = 1;
7764 int rc = 0;
7765
7766 if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
7767 max_rx_rings = RX_MAX_RINGS;
7768 max_tx_rings = TX_MAX_RINGS;
7769 }
7770 if (channels->rx_count > max_rx_rings ||
7771 channels->tx_count > max_tx_rings)
7772 return -EINVAL;
7773
7774 bp->num_req_rx_rings = channels->rx_count;
7775 bp->num_req_tx_rings = channels->tx_count;
7776
7777 if (netif_running(dev))
7778 rc = bnx2_change_ring_size(bp, bp->rx_ring_size,
7779 bp->tx_ring_size, true);
7780
7781 return rc;
7782}
7783
Jeff Garzik7282d492006-09-13 14:30:00 -04007784static const struct ethtool_ops bnx2_ethtool_ops = {
Michael Chanb6016b72005-05-26 13:03:09 -07007785 .get_settings = bnx2_get_settings,
7786 .set_settings = bnx2_set_settings,
7787 .get_drvinfo = bnx2_get_drvinfo,
Michael Chan244ac4f2006-03-20 17:48:46 -08007788 .get_regs_len = bnx2_get_regs_len,
7789 .get_regs = bnx2_get_regs,
Michael Chanb6016b72005-05-26 13:03:09 -07007790 .get_wol = bnx2_get_wol,
7791 .set_wol = bnx2_set_wol,
7792 .nway_reset = bnx2_nway_reset,
Ooiwa Naohiro7959ea22009-06-24 00:19:06 -07007793 .get_link = bnx2_get_link,
Michael Chanb6016b72005-05-26 13:03:09 -07007794 .get_eeprom_len = bnx2_get_eeprom_len,
7795 .get_eeprom = bnx2_get_eeprom,
7796 .set_eeprom = bnx2_set_eeprom,
7797 .get_coalesce = bnx2_get_coalesce,
7798 .set_coalesce = bnx2_set_coalesce,
7799 .get_ringparam = bnx2_get_ringparam,
7800 .set_ringparam = bnx2_set_ringparam,
7801 .get_pauseparam = bnx2_get_pauseparam,
7802 .set_pauseparam = bnx2_set_pauseparam,
Michael Chanb6016b72005-05-26 13:03:09 -07007803 .self_test = bnx2_self_test,
7804 .get_strings = bnx2_get_strings,
stephen hemminger2e17e1a2011-04-04 11:06:36 +00007805 .set_phys_id = bnx2_set_phys_id,
Michael Chanb6016b72005-05-26 13:03:09 -07007806 .get_ethtool_stats = bnx2_get_ethtool_stats,
Jeff Garzikb9f2c042007-10-03 18:07:32 -07007807 .get_sset_count = bnx2_get_sset_count,
Michael Chanb0332812012-02-05 15:24:38 +00007808 .get_channels = bnx2_get_channels,
7809 .set_channels = bnx2_set_channels,
Michael Chanb6016b72005-05-26 13:03:09 -07007810};
7811
7812/* Called with rtnl_lock */
7813static int
7814bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7815{
Peter Hagervall14ab9b82005-08-10 14:18:16 -07007816 struct mii_ioctl_data *data = if_mii(ifr);
Michael Chan972ec0d2006-01-23 16:12:43 -08007817 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007818 int err;
7819
7820 switch(cmd) {
7821 case SIOCGMIIPHY:
7822 data->phy_id = bp->phy_addr;
7823
7824 /* fallthru */
7825 case SIOCGMIIREG: {
7826 u32 mii_regval;
7827
Michael Chan583c28e2008-01-21 19:51:35 -08007828 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007829 return -EOPNOTSUPP;
7830
Michael Chandad3e452007-05-03 13:18:03 -07007831 if (!netif_running(dev))
7832 return -EAGAIN;
7833
Michael Chanc770a652005-08-25 15:38:39 -07007834 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007835 err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
Michael Chanc770a652005-08-25 15:38:39 -07007836 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007837
7838 data->val_out = mii_regval;
7839
7840 return err;
7841 }
7842
7843 case SIOCSMIIREG:
Michael Chan583c28e2008-01-21 19:51:35 -08007844 if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
Michael Chan7b6b8342007-07-07 22:50:15 -07007845 return -EOPNOTSUPP;
7846
Michael Chandad3e452007-05-03 13:18:03 -07007847 if (!netif_running(dev))
7848 return -EAGAIN;
7849
Michael Chanc770a652005-08-25 15:38:39 -07007850 spin_lock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007851 err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
Michael Chanc770a652005-08-25 15:38:39 -07007852 spin_unlock_bh(&bp->phy_lock);
Michael Chanb6016b72005-05-26 13:03:09 -07007853
7854 return err;
7855
7856 default:
7857 /* do nothing */
7858 break;
7859 }
7860 return -EOPNOTSUPP;
7861}
7862
7863/* Called with rtnl_lock */
7864static int
7865bnx2_change_mac_addr(struct net_device *dev, void *p)
7866{
7867 struct sockaddr *addr = p;
Michael Chan972ec0d2006-01-23 16:12:43 -08007868 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007869
Michael Chan73eef4c2005-08-25 15:39:15 -07007870 if (!is_valid_ether_addr(addr->sa_data))
Danny Kukawka504f9b52012-02-21 02:07:49 +00007871 return -EADDRNOTAVAIL;
Michael Chan73eef4c2005-08-25 15:39:15 -07007872
Michael Chanb6016b72005-05-26 13:03:09 -07007873 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7874 if (netif_running(dev))
Benjamin Li5fcaed02008-07-14 22:39:52 -07007875 bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
Michael Chanb6016b72005-05-26 13:03:09 -07007876
7877 return 0;
7878}
7879
7880/* Called with rtnl_lock */
7881static int
7882bnx2_change_mtu(struct net_device *dev, int new_mtu)
7883{
Michael Chan972ec0d2006-01-23 16:12:43 -08007884 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07007885
7886 if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
7887 ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
7888 return -EINVAL;
7889
7890 dev->mtu = new_mtu;
Michael Chanb0332812012-02-05 15:24:38 +00007891 return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size,
7892 false);
Michael Chanb6016b72005-05-26 13:03:09 -07007893}
7894
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00007895#ifdef CONFIG_NET_POLL_CONTROLLER
Michael Chanb6016b72005-05-26 13:03:09 -07007896static void
7897poll_bnx2(struct net_device *dev)
7898{
Michael Chan972ec0d2006-01-23 16:12:43 -08007899 struct bnx2 *bp = netdev_priv(dev);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007900 int i;
Michael Chanb6016b72005-05-26 13:03:09 -07007901
Neil Hormanb2af2c12008-11-12 16:23:44 -08007902 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan1bf1e342010-03-23 13:13:12 +00007903 struct bnx2_irq *irq = &bp->irq_tbl[i];
7904
7905 disable_irq(irq->vector);
7906 irq->handler(irq->vector, &bp->bnx2_napi[i]);
7907 enable_irq(irq->vector);
Neil Hormanb2af2c12008-11-12 16:23:44 -08007908 }
Michael Chanb6016b72005-05-26 13:03:09 -07007909}
7910#endif
7911
Bill Pembertoncfd95a62012-12-03 09:22:58 -05007912static void
Michael Chan253c8b752007-01-08 19:56:01 -08007913bnx2_get_5709_media(struct bnx2 *bp)
7914{
Michael Chane503e062012-12-06 10:33:08 +00007915 u32 val = BNX2_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
Michael Chan253c8b752007-01-08 19:56:01 -08007916 u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
7917 u32 strap;
7918
7919 if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
7920 return;
7921 else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
Michael Chan583c28e2008-01-21 19:51:35 -08007922 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b752007-01-08 19:56:01 -08007923 return;
7924 }
7925
7926 if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
7927 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
7928 else
7929 strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
7930
Michael Chanaefd90e2012-06-16 15:45:43 +00007931 if (bp->func == 0) {
Michael Chan253c8b752007-01-08 19:56:01 -08007932 switch (strap) {
7933 case 0x4:
7934 case 0x5:
7935 case 0x6:
Michael Chan583c28e2008-01-21 19:51:35 -08007936 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b752007-01-08 19:56:01 -08007937 return;
7938 }
7939 } else {
7940 switch (strap) {
7941 case 0x1:
7942 case 0x2:
7943 case 0x4:
Michael Chan583c28e2008-01-21 19:51:35 -08007944 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chan253c8b752007-01-08 19:56:01 -08007945 return;
7946 }
7947 }
7948}
7949
Bill Pembertoncfd95a62012-12-03 09:22:58 -05007950static void
Michael Chan883e5152007-05-03 13:25:11 -07007951bnx2_get_pci_speed(struct bnx2 *bp)
7952{
7953 u32 reg;
7954
Michael Chane503e062012-12-06 10:33:08 +00007955 reg = BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS);
Michael Chan883e5152007-05-03 13:25:11 -07007956 if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
7957 u32 clkreg;
7958
David S. Millerf86e82f2008-01-21 17:15:40 -08007959 bp->flags |= BNX2_FLAG_PCIX;
Michael Chan883e5152007-05-03 13:25:11 -07007960
Michael Chane503e062012-12-06 10:33:08 +00007961 clkreg = BNX2_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
Michael Chan883e5152007-05-03 13:25:11 -07007962
7963 clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
7964 switch (clkreg) {
7965 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
7966 bp->bus_speed_mhz = 133;
7967 break;
7968
7969 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
7970 bp->bus_speed_mhz = 100;
7971 break;
7972
7973 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
7974 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
7975 bp->bus_speed_mhz = 66;
7976 break;
7977
7978 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
7979 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
7980 bp->bus_speed_mhz = 50;
7981 break;
7982
7983 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
7984 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
7985 case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
7986 bp->bus_speed_mhz = 33;
7987 break;
7988 }
7989 }
7990 else {
7991 if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
7992 bp->bus_speed_mhz = 66;
7993 else
7994 bp->bus_speed_mhz = 33;
7995 }
7996
7997 if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
David S. Millerf86e82f2008-01-21 17:15:40 -08007998 bp->flags |= BNX2_FLAG_PCI_32BIT;
Michael Chan883e5152007-05-03 13:25:11 -07007999
8000}
8001
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008002static void
Michael Chan76d99062009-12-03 09:46:34 +00008003bnx2_read_vpd_fw_ver(struct bnx2 *bp)
8004{
Matt Carlsondf25bc32010-02-26 14:04:44 +00008005 int rc, i, j;
Michael Chan76d99062009-12-03 09:46:34 +00008006 u8 *data;
Matt Carlsondf25bc32010-02-26 14:04:44 +00008007 unsigned int block_end, rosize, len;
Michael Chan76d99062009-12-03 09:46:34 +00008008
Michael Chan012093f2009-12-03 15:58:00 -08008009#define BNX2_VPD_NVRAM_OFFSET 0x300
8010#define BNX2_VPD_LEN 128
Michael Chan76d99062009-12-03 09:46:34 +00008011#define BNX2_MAX_VER_SLEN 30
8012
8013 data = kmalloc(256, GFP_KERNEL);
8014 if (!data)
8015 return;
8016
Michael Chan012093f2009-12-03 15:58:00 -08008017 rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
8018 BNX2_VPD_LEN);
Michael Chan76d99062009-12-03 09:46:34 +00008019 if (rc)
8020 goto vpd_done;
8021
Michael Chan012093f2009-12-03 15:58:00 -08008022 for (i = 0; i < BNX2_VPD_LEN; i += 4) {
8023 data[i] = data[i + BNX2_VPD_LEN + 3];
8024 data[i + 1] = data[i + BNX2_VPD_LEN + 2];
8025 data[i + 2] = data[i + BNX2_VPD_LEN + 1];
8026 data[i + 3] = data[i + BNX2_VPD_LEN];
Michael Chan76d99062009-12-03 09:46:34 +00008027 }
8028
Matt Carlsondf25bc32010-02-26 14:04:44 +00008029 i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
8030 if (i < 0)
Michael Chan76d99062009-12-03 09:46:34 +00008031 goto vpd_done;
Matt Carlsondf25bc32010-02-26 14:04:44 +00008032
8033 rosize = pci_vpd_lrdt_size(&data[i]);
8034 i += PCI_VPD_LRDT_TAG_SIZE;
8035 block_end = i + rosize;
8036
8037 if (block_end > BNX2_VPD_LEN)
8038 goto vpd_done;
8039
8040 j = pci_vpd_find_info_keyword(data, i, rosize,
8041 PCI_VPD_RO_KEYWORD_MFR_ID);
8042 if (j < 0)
8043 goto vpd_done;
8044
8045 len = pci_vpd_info_field_size(&data[j]);
8046
8047 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8048 if (j + len > block_end || len != 4 ||
8049 memcmp(&data[j], "1028", 4))
8050 goto vpd_done;
8051
8052 j = pci_vpd_find_info_keyword(data, i, rosize,
8053 PCI_VPD_RO_KEYWORD_VENDOR0);
8054 if (j < 0)
8055 goto vpd_done;
8056
8057 len = pci_vpd_info_field_size(&data[j]);
8058
8059 j += PCI_VPD_INFO_FLD_HDR_SIZE;
8060 if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
8061 goto vpd_done;
8062
8063 memcpy(bp->fw_version, &data[j], len);
8064 bp->fw_version[len] = ' ';
Michael Chan76d99062009-12-03 09:46:34 +00008065
8066vpd_done:
8067 kfree(data);
8068}
8069
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008070static int
Michael Chanb6016b72005-05-26 13:03:09 -07008071bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
8072{
8073 struct bnx2 *bp;
Michael Chan58fc2ea2007-07-07 22:52:02 -07008074 int rc, i, j;
Michael Chanb6016b72005-05-26 13:03:09 -07008075 u32 reg;
Michael Chan40453c82007-05-03 13:19:18 -07008076 u64 dma_mask, persist_dma_mask;
John Feeneycd709aa2010-08-22 17:45:53 +00008077 int err;
Michael Chanb6016b72005-05-26 13:03:09 -07008078
Michael Chanb6016b72005-05-26 13:03:09 -07008079 SET_NETDEV_DEV(dev, &pdev->dev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008080 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008081
8082 bp->flags = 0;
8083 bp->phy_flags = 0;
8084
Michael Chan354fcd72010-01-17 07:30:44 +00008085 bp->temp_stats_blk =
8086 kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
8087
8088 if (bp->temp_stats_blk == NULL) {
8089 rc = -ENOMEM;
8090 goto err_out;
8091 }
8092
Michael Chanb6016b72005-05-26 13:03:09 -07008093 /* enable device (incl. PCI PM wakeup), and bus-mastering */
8094 rc = pci_enable_device(pdev);
8095 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008096 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008097 goto err_out;
8098 }
8099
8100 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008101 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008102 "Cannot find PCI device base address, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008103 rc = -ENODEV;
8104 goto err_out_disable;
8105 }
8106
8107 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
8108 if (rc) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008109 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008110 goto err_out_disable;
8111 }
8112
8113 pci_set_master(pdev);
8114
Yijing Wang85768272013-06-18 16:12:37 +08008115 bp->pm_cap = pdev->pm_cap;
Michael Chanb6016b72005-05-26 13:03:09 -07008116 if (bp->pm_cap == 0) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008117 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008118 "Cannot find power management capability, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008119 rc = -EIO;
8120 goto err_out_release;
8121 }
8122
Michael Chanb6016b72005-05-26 13:03:09 -07008123 bp->dev = dev;
8124 bp->pdev = pdev;
8125
8126 spin_lock_init(&bp->phy_lock);
Michael Chan1b8227c2007-05-03 13:24:05 -07008127 spin_lock_init(&bp->indirect_lock);
Michael Chanc5a88952009-08-14 15:49:45 +00008128#ifdef BCM_CNIC
8129 mutex_init(&bp->cnic_lock);
8130#endif
David Howellsc4028952006-11-22 14:57:56 +00008131 INIT_WORK(&bp->reset_task, bnx2_reset_task);
Michael Chanb6016b72005-05-26 13:03:09 -07008132
Francois Romieuc0357e92012-03-09 14:51:47 +01008133 bp->regview = pci_iomap(pdev, 0, MB_GET_CID_ADDR(TX_TSS_CID +
8134 TX_MAX_TSS_RINGS + 1));
Michael Chanb6016b72005-05-26 13:03:09 -07008135 if (!bp->regview) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008136 dev_err(&pdev->dev, "Cannot map register space, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008137 rc = -ENOMEM;
8138 goto err_out_release;
8139 }
8140
8141 /* Configure byte swap and enable write to the reg_window registers.
8142 * Rely on CPU to do target byte swapping on big endian systems
8143 * The chip's target access swapping will not swap all accesses
8144 */
Michael Chane503e062012-12-06 10:33:08 +00008145 BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG,
8146 BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
8147 BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
Michael Chanb6016b72005-05-26 13:03:09 -07008148
Michael Chane503e062012-12-06 10:33:08 +00008149 bp->chip_id = BNX2_RD(bp, BNX2_MISC_ID);
Michael Chanb6016b72005-05-26 13:03:09 -07008150
Michael Chan4ce45e02012-12-06 10:33:10 +00008151 if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
Jon Masone82760e2011-06-27 07:44:43 +00008152 if (!pci_is_pcie(pdev)) {
8153 dev_err(&pdev->dev, "Not PCIE, aborting\n");
Michael Chan883e5152007-05-03 13:25:11 -07008154 rc = -EIO;
8155 goto err_out_unmap;
8156 }
David S. Millerf86e82f2008-01-21 17:15:40 -08008157 bp->flags |= BNX2_FLAG_PCIE;
Michael Chan4ce45e02012-12-06 10:33:10 +00008158 if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
David S. Millerf86e82f2008-01-21 17:15:40 -08008159 bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
Michael Chanc239f272010-10-11 16:12:28 -07008160
8161 /* AER (Advanced Error Reporting) hooks */
8162 err = pci_enable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008163 if (!err)
8164 bp->flags |= BNX2_FLAG_AER_ENABLED;
Michael Chanc239f272010-10-11 16:12:28 -07008165
Michael Chan883e5152007-05-03 13:25:11 -07008166 } else {
Michael Chan59b47d82006-11-19 14:10:45 -08008167 bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
8168 if (bp->pcix_cap == 0) {
8169 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008170 "Cannot find PCIX capability, aborting\n");
Michael Chan59b47d82006-11-19 14:10:45 -08008171 rc = -EIO;
8172 goto err_out_unmap;
8173 }
Michael Chan61d9e3f2009-08-21 16:20:46 +00008174 bp->flags |= BNX2_FLAG_BROKEN_STATS;
Michael Chan59b47d82006-11-19 14:10:45 -08008175 }
8176
Michael Chan4ce45e02012-12-06 10:33:10 +00008177 if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8178 BNX2_CHIP_REV(bp) != BNX2_CHIP_REV_Ax) {
Yijing Wang555a8422013-08-08 21:02:22 +08008179 if (pdev->msix_cap)
David S. Millerf86e82f2008-01-21 17:15:40 -08008180 bp->flags |= BNX2_FLAG_MSIX_CAP;
Michael Chanb4b36042007-12-20 19:59:30 -08008181 }
8182
Michael Chan4ce45e02012-12-06 10:33:10 +00008183 if (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0 &&
8184 BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A1) {
Yijing Wang555a8422013-08-08 21:02:22 +08008185 if (pdev->msi_cap)
David S. Millerf86e82f2008-01-21 17:15:40 -08008186 bp->flags |= BNX2_FLAG_MSI_CAP;
Michael Chan8e6a72c2007-05-03 13:24:48 -07008187 }
8188
Michael Chan40453c82007-05-03 13:19:18 -07008189 /* 5708 cannot support DMA addresses > 40-bit. */
Michael Chan4ce45e02012-12-06 10:33:10 +00008190 if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
Yang Hongyang50cf1562009-04-06 19:01:14 -07008191 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
Michael Chan40453c82007-05-03 13:19:18 -07008192 else
Yang Hongyang6a355282009-04-06 19:01:13 -07008193 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
Michael Chan40453c82007-05-03 13:19:18 -07008194
8195 /* Configure DMA attributes. */
8196 if (pci_set_dma_mask(pdev, dma_mask) == 0) {
8197 dev->features |= NETIF_F_HIGHDMA;
8198 rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
8199 if (rc) {
8200 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008201 "pci_set_consistent_dma_mask failed, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07008202 goto err_out_unmap;
8203 }
Yang Hongyang284901a2009-04-06 19:01:15 -07008204 } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008205 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
Michael Chan40453c82007-05-03 13:19:18 -07008206 goto err_out_unmap;
8207 }
8208
David S. Millerf86e82f2008-01-21 17:15:40 -08008209 if (!(bp->flags & BNX2_FLAG_PCIE))
Michael Chan883e5152007-05-03 13:25:11 -07008210 bnx2_get_pci_speed(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008211
8212 /* 5706A0 may falsely detect SERR and PERR. */
Michael Chan4ce45e02012-12-06 10:33:10 +00008213 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chane503e062012-12-06 10:33:08 +00008214 reg = BNX2_RD(bp, PCI_COMMAND);
Michael Chanb6016b72005-05-26 13:03:09 -07008215 reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
Michael Chane503e062012-12-06 10:33:08 +00008216 BNX2_WR(bp, PCI_COMMAND, reg);
Michael Chan4ce45e02012-12-06 10:33:10 +00008217 } else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) &&
David S. Millerf86e82f2008-01-21 17:15:40 -08008218 !(bp->flags & BNX2_FLAG_PCIX)) {
Michael Chanb6016b72005-05-26 13:03:09 -07008219
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008220 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008221 "5706 A1 can only be used in a PCIX bus, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008222 goto err_out_unmap;
8223 }
8224
8225 bnx2_init_nvram(bp);
8226
Michael Chan2726d6e2008-01-29 21:35:05 -08008227 reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
Michael Chane3648b32005-11-04 08:51:21 -08008228
Michael Chanaefd90e2012-06-16 15:45:43 +00008229 if (bnx2_reg_rd_ind(bp, BNX2_MCP_TOE_ID) & BNX2_MCP_TOE_ID_FUNCTION_ID)
8230 bp->func = 1;
8231
Michael Chane3648b32005-11-04 08:51:21 -08008232 if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
Michael Chan24cb2302007-01-25 15:49:56 -08008233 BNX2_SHM_HDR_SIGNATURE_SIG) {
Michael Chanaefd90e2012-06-16 15:45:43 +00008234 u32 off = bp->func << 2;
Michael Chan24cb2302007-01-25 15:49:56 -08008235
Michael Chan2726d6e2008-01-29 21:35:05 -08008236 bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
Michael Chan24cb2302007-01-25 15:49:56 -08008237 } else
Michael Chane3648b32005-11-04 08:51:21 -08008238 bp->shmem_base = HOST_VIEW_SHMEM_BASE;
8239
Michael Chanb6016b72005-05-26 13:03:09 -07008240 /* Get the permanent MAC address. First we need to make sure the
8241 * firmware is actually running.
8242 */
Michael Chan2726d6e2008-01-29 21:35:05 -08008243 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
Michael Chanb6016b72005-05-26 13:03:09 -07008244
8245 if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
8246 BNX2_DEV_INFO_SIGNATURE_MAGIC) {
Joe Perches3a9c6a42010-02-17 15:01:51 +00008247 dev_err(&pdev->dev, "Firmware not running, aborting\n");
Michael Chanb6016b72005-05-26 13:03:09 -07008248 rc = -ENODEV;
8249 goto err_out_unmap;
8250 }
8251
Michael Chan76d99062009-12-03 09:46:34 +00008252 bnx2_read_vpd_fw_ver(bp);
8253
8254 j = strlen(bp->fw_version);
Michael Chan2726d6e2008-01-29 21:35:05 -08008255 reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
Michael Chan76d99062009-12-03 09:46:34 +00008256 for (i = 0; i < 3 && j < 24; i++) {
Michael Chan58fc2ea2007-07-07 22:52:02 -07008257 u8 num, k, skip0;
8258
Michael Chan76d99062009-12-03 09:46:34 +00008259 if (i == 0) {
8260 bp->fw_version[j++] = 'b';
8261 bp->fw_version[j++] = 'c';
8262 bp->fw_version[j++] = ' ';
8263 }
Michael Chan58fc2ea2007-07-07 22:52:02 -07008264 num = (u8) (reg >> (24 - (i * 8)));
8265 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
8266 if (num >= k || !skip0 || k == 1) {
8267 bp->fw_version[j++] = (num / k) + '0';
8268 skip0 = 0;
8269 }
8270 }
8271 if (i != 2)
8272 bp->fw_version[j++] = '.';
8273 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008274 reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
Michael Chan846f5c62007-10-10 16:16:51 -07008275 if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
8276 bp->wol = 1;
8277
8278 if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008279 bp->flags |= BNX2_FLAG_ASF_ENABLE;
Michael Chanc2d3db82007-07-16 18:26:43 -07008280
8281 for (i = 0; i < 30; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008282 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chanc2d3db82007-07-16 18:26:43 -07008283 if (reg & BNX2_CONDITION_MFW_RUN_MASK)
8284 break;
8285 msleep(10);
8286 }
8287 }
Michael Chan2726d6e2008-01-29 21:35:05 -08008288 reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008289 reg &= BNX2_CONDITION_MFW_RUN_MASK;
8290 if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
8291 reg != BNX2_CONDITION_MFW_RUN_NONE) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008292 u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008293
Michael Chan76d99062009-12-03 09:46:34 +00008294 if (j < 32)
8295 bp->fw_version[j++] = ' ';
8296 for (i = 0; i < 3 && j < 28; i++) {
Michael Chan2726d6e2008-01-29 21:35:05 -08008297 reg = bnx2_reg_rd_ind(bp, addr + i * 4);
Michael Chan3aeb7d22011-07-20 14:55:25 +00008298 reg = be32_to_cpu(reg);
Michael Chan58fc2ea2007-07-07 22:52:02 -07008299 memcpy(&bp->fw_version[j], &reg, 4);
8300 j += 4;
8301 }
8302 }
Michael Chanb6016b72005-05-26 13:03:09 -07008303
Michael Chan2726d6e2008-01-29 21:35:05 -08008304 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
Michael Chanb6016b72005-05-26 13:03:09 -07008305 bp->mac_addr[0] = (u8) (reg >> 8);
8306 bp->mac_addr[1] = (u8) reg;
8307
Michael Chan2726d6e2008-01-29 21:35:05 -08008308 reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
Michael Chanb6016b72005-05-26 13:03:09 -07008309 bp->mac_addr[2] = (u8) (reg >> 24);
8310 bp->mac_addr[3] = (u8) (reg >> 16);
8311 bp->mac_addr[4] = (u8) (reg >> 8);
8312 bp->mac_addr[5] = (u8) reg;
8313
Michael Chan2bc40782012-12-06 10:33:09 +00008314 bp->tx_ring_size = BNX2_MAX_TX_DESC_CNT;
Michael Chan932f3772006-08-15 01:39:36 -07008315 bnx2_set_rx_ring_size(bp, 255);
Michael Chanb6016b72005-05-26 13:03:09 -07008316
Michael Chancf7474a2009-08-21 16:20:48 +00008317 bp->tx_quick_cons_trip_int = 2;
Michael Chanb6016b72005-05-26 13:03:09 -07008318 bp->tx_quick_cons_trip = 20;
Michael Chancf7474a2009-08-21 16:20:48 +00008319 bp->tx_ticks_int = 18;
Michael Chanb6016b72005-05-26 13:03:09 -07008320 bp->tx_ticks = 80;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008321
Michael Chancf7474a2009-08-21 16:20:48 +00008322 bp->rx_quick_cons_trip_int = 2;
8323 bp->rx_quick_cons_trip = 12;
Michael Chanb6016b72005-05-26 13:03:09 -07008324 bp->rx_ticks_int = 18;
8325 bp->rx_ticks = 18;
8326
Michael Chan7ea69202007-07-16 18:27:10 -07008327 bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
Michael Chanb6016b72005-05-26 13:03:09 -07008328
Benjamin Liac392ab2008-09-18 16:40:49 -07008329 bp->current_interval = BNX2_TIMER_INTERVAL;
Michael Chanb6016b72005-05-26 13:03:09 -07008330
Michael Chan5b0c76a2005-11-04 08:45:49 -08008331 bp->phy_addr = 1;
8332
Michael Chanb6016b72005-05-26 13:03:09 -07008333 /* Disable WOL support if we are running on a SERDES chip. */
Michael Chan4ce45e02012-12-06 10:33:10 +00008334 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michael Chan253c8b752007-01-08 19:56:01 -08008335 bnx2_get_5709_media(bp);
Michael Chan4ce45e02012-12-06 10:33:10 +00008336 else if (BNX2_CHIP_BOND(bp) & BNX2_CHIP_BOND_SERDES_BIT)
Michael Chan583c28e2008-01-21 19:51:35 -08008337 bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
Michael Chanbac0dff2006-11-19 14:15:05 -08008338
Michael Chan0d8a6572007-07-07 22:49:43 -07008339 bp->phy_port = PORT_TP;
Michael Chan583c28e2008-01-21 19:51:35 -08008340 if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
Michael Chan0d8a6572007-07-07 22:49:43 -07008341 bp->phy_port = PORT_FIBRE;
Michael Chan2726d6e2008-01-29 21:35:05 -08008342 reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
Michael Chan846f5c62007-10-10 16:16:51 -07008343 if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008344 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008345 bp->wol = 0;
8346 }
Michael Chan4ce45e02012-12-06 10:33:10 +00008347 if (BNX2_CHIP(bp) == BNX2_CHIP_5706) {
Michael Chan38ea3682008-02-23 19:48:57 -08008348 /* Don't do parallel detect on this board because of
8349 * some board problems. The link will not go down
8350 * if we do parallel detect.
8351 */
8352 if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
8353 pdev->subsystem_device == 0x310c)
8354 bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
8355 } else {
Michael Chan5b0c76a2005-11-04 08:45:49 -08008356 bp->phy_addr = 2;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008357 if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
Michael Chan583c28e2008-01-21 19:51:35 -08008358 bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
Michael Chan5b0c76a2005-11-04 08:45:49 -08008359 }
Michael Chan4ce45e02012-12-06 10:33:10 +00008360 } else if (BNX2_CHIP(bp) == BNX2_CHIP_5706 ||
8361 BNX2_CHIP(bp) == BNX2_CHIP_5708)
Michael Chan583c28e2008-01-21 19:51:35 -08008362 bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
Michael Chan4ce45e02012-12-06 10:33:10 +00008363 else if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
8364 (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax ||
8365 BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Bx))
Michael Chan583c28e2008-01-21 19:51:35 -08008366 bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
Michael Chanb6016b72005-05-26 13:03:09 -07008367
Michael Chan7c62e832008-07-14 22:39:03 -07008368 bnx2_init_fw_cap(bp);
8369
Michael Chan4ce45e02012-12-06 10:33:10 +00008370 if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
8371 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
8372 (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1) ||
Michael Chane503e062012-12-06 10:33:08 +00008373 !(BNX2_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
David S. Millerf86e82f2008-01-21 17:15:40 -08008374 bp->flags |= BNX2_FLAG_NO_WOL;
Michael Chan846f5c62007-10-10 16:16:51 -07008375 bp->wol = 0;
8376 }
Michael Chandda1e392006-01-23 16:08:14 -08008377
Michael Chan6d5e85c2013-08-06 15:50:08 -07008378 if (bp->flags & BNX2_FLAG_NO_WOL)
8379 device_set_wakeup_capable(&bp->pdev->dev, false);
8380 else
8381 device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
8382
Michael Chan4ce45e02012-12-06 10:33:10 +00008383 if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
Michael Chanb6016b72005-05-26 13:03:09 -07008384 bp->tx_quick_cons_trip_int =
8385 bp->tx_quick_cons_trip;
8386 bp->tx_ticks_int = bp->tx_ticks;
8387 bp->rx_quick_cons_trip_int =
8388 bp->rx_quick_cons_trip;
8389 bp->rx_ticks_int = bp->rx_ticks;
8390 bp->comp_prod_trip_int = bp->comp_prod_trip;
8391 bp->com_ticks_int = bp->com_ticks;
8392 bp->cmd_ticks_int = bp->cmd_ticks;
8393 }
8394
Michael Chanf9317a42006-09-29 17:06:23 -07008395 /* Disable MSI on 5706 if AMD 8132 bridge is found.
8396 *
8397 * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
8398 * with byte enables disabled on the unused 32-bit word. This is legal
8399 * but causes problems on the AMD 8132 which will eventually stop
8400 * responding after a while.
8401 *
8402 * AMD believes this incompatibility is unique to the 5706, and
Michael Ellerman88187df2007-01-25 19:34:07 +11008403 * prefers to locally disable MSI rather than globally disabling it.
Michael Chanf9317a42006-09-29 17:06:23 -07008404 */
Michael Chan4ce45e02012-12-06 10:33:10 +00008405 if (BNX2_CHIP(bp) == BNX2_CHIP_5706 && disable_msi == 0) {
Michael Chanf9317a42006-09-29 17:06:23 -07008406 struct pci_dev *amd_8132 = NULL;
8407
8408 while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
8409 PCI_DEVICE_ID_AMD_8132_BRIDGE,
8410 amd_8132))) {
Michael Chanf9317a42006-09-29 17:06:23 -07008411
Auke Kok44c10132007-06-08 15:46:36 -07008412 if (amd_8132->revision >= 0x10 &&
8413 amd_8132->revision <= 0x13) {
Michael Chanf9317a42006-09-29 17:06:23 -07008414 disable_msi = 1;
8415 pci_dev_put(amd_8132);
8416 break;
8417 }
8418 }
8419 }
8420
Michael Chandeaf3912007-07-07 22:48:00 -07008421 bnx2_set_default_link(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008422 bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
8423
Michael Chancd339a02005-08-25 15:35:24 -07008424 init_timer(&bp->timer);
Benjamin Liac392ab2008-09-18 16:40:49 -07008425 bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
Michael Chancd339a02005-08-25 15:35:24 -07008426 bp->timer.data = (unsigned long) bp;
8427 bp->timer.function = bnx2_timer;
8428
Michael Chan7625eb22011-06-08 19:29:36 +00008429#ifdef BCM_CNIC
Michael Chan41c21782011-07-13 17:24:22 +00008430 if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN)
8431 bp->cnic_eth_dev.max_iscsi_conn =
8432 (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) &
8433 BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT;
Michael Chan4bd9b0ff2012-12-06 10:33:12 +00008434 bp->cnic_probe = bnx2_cnic_probe;
Michael Chan7625eb22011-06-08 19:29:36 +00008435#endif
Michael Chanc239f272010-10-11 16:12:28 -07008436 pci_save_state(pdev);
8437
Michael Chanb6016b72005-05-26 13:03:09 -07008438 return 0;
8439
8440err_out_unmap:
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008441 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008442 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008443 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8444 }
Michael Chanc239f272010-10-11 16:12:28 -07008445
Francois Romieuc0357e92012-03-09 14:51:47 +01008446 pci_iounmap(pdev, bp->regview);
8447 bp->regview = NULL;
Michael Chanb6016b72005-05-26 13:03:09 -07008448
8449err_out_release:
8450 pci_release_regions(pdev);
8451
8452err_out_disable:
8453 pci_disable_device(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008454
8455err_out:
8456 return rc;
8457}
8458
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008459static char *
Michael Chan883e5152007-05-03 13:25:11 -07008460bnx2_bus_string(struct bnx2 *bp, char *str)
8461{
8462 char *s = str;
8463
David S. Millerf86e82f2008-01-21 17:15:40 -08008464 if (bp->flags & BNX2_FLAG_PCIE) {
Michael Chan883e5152007-05-03 13:25:11 -07008465 s += sprintf(s, "PCI Express");
8466 } else {
8467 s += sprintf(s, "PCI");
David S. Millerf86e82f2008-01-21 17:15:40 -08008468 if (bp->flags & BNX2_FLAG_PCIX)
Michael Chan883e5152007-05-03 13:25:11 -07008469 s += sprintf(s, "-X");
David S. Millerf86e82f2008-01-21 17:15:40 -08008470 if (bp->flags & BNX2_FLAG_PCI_32BIT)
Michael Chan883e5152007-05-03 13:25:11 -07008471 s += sprintf(s, " 32-bit");
8472 else
8473 s += sprintf(s, " 64-bit");
8474 s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
8475 }
8476 return str;
8477}
8478
Michael Chanf048fa92010-06-01 15:05:36 +00008479static void
8480bnx2_del_napi(struct bnx2 *bp)
8481{
8482 int i;
8483
8484 for (i = 0; i < bp->irq_nvecs; i++)
8485 netif_napi_del(&bp->bnx2_napi[i].napi);
8486}
8487
8488static void
Michael Chan35efa7c2007-12-20 19:56:37 -08008489bnx2_init_napi(struct bnx2 *bp)
8490{
Michael Chanb4b36042007-12-20 19:59:30 -08008491 int i;
Michael Chan35efa7c2007-12-20 19:56:37 -08008492
Benjamin Li4327ba42010-03-23 13:13:11 +00008493 for (i = 0; i < bp->irq_nvecs; i++) {
Michael Chan35e90102008-06-19 16:37:42 -07008494 struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
8495 int (*poll)(struct napi_struct *, int);
8496
8497 if (i == 0)
8498 poll = bnx2_poll;
8499 else
Michael Chanf0ea2e62008-06-19 16:41:57 -07008500 poll = bnx2_poll_msix;
Michael Chan35e90102008-06-19 16:37:42 -07008501
8502 netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
Michael Chanb4b36042007-12-20 19:59:30 -08008503 bnapi->bp = bp;
8504 }
Michael Chan35efa7c2007-12-20 19:56:37 -08008505}
8506
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008507static const struct net_device_ops bnx2_netdev_ops = {
8508 .ndo_open = bnx2_open,
8509 .ndo_start_xmit = bnx2_start_xmit,
8510 .ndo_stop = bnx2_close,
Eric Dumazet5d07bf22010-07-08 04:08:43 +00008511 .ndo_get_stats64 = bnx2_get_stats64,
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008512 .ndo_set_rx_mode = bnx2_set_rx_mode,
8513 .ndo_do_ioctl = bnx2_ioctl,
8514 .ndo_validate_addr = eth_validate_addr,
8515 .ndo_set_mac_address = bnx2_change_mac_addr,
8516 .ndo_change_mtu = bnx2_change_mtu,
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008517 .ndo_set_features = bnx2_set_features,
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008518 .ndo_tx_timeout = bnx2_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008519#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008520 .ndo_poll_controller = poll_bnx2,
8521#endif
8522};
8523
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008524static int
Michael Chanb6016b72005-05-26 13:03:09 -07008525bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8526{
8527 static int version_printed = 0;
Francois Romieuc0357e92012-03-09 14:51:47 +01008528 struct net_device *dev;
Michael Chanb6016b72005-05-26 13:03:09 -07008529 struct bnx2 *bp;
Joe Perches0795af52007-10-03 17:59:30 -07008530 int rc;
Michael Chan883e5152007-05-03 13:25:11 -07008531 char str[40];
Michael Chanb6016b72005-05-26 13:03:09 -07008532
8533 if (version_printed++ == 0)
Joe Perches3a9c6a42010-02-17 15:01:51 +00008534 pr_info("%s", version);
Michael Chanb6016b72005-05-26 13:03:09 -07008535
8536 /* dev zeroed in init_etherdev */
Benjamin Li706bf242008-07-18 17:55:11 -07008537 dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
Michael Chanb6016b72005-05-26 13:03:09 -07008538 if (!dev)
8539 return -ENOMEM;
8540
8541 rc = bnx2_init_board(pdev, dev);
Francois Romieuc0357e92012-03-09 14:51:47 +01008542 if (rc < 0)
8543 goto err_free;
Michael Chanb6016b72005-05-26 13:03:09 -07008544
Stephen Hemminger0421eae2008-11-21 17:31:27 -08008545 dev->netdev_ops = &bnx2_netdev_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008546 dev->watchdog_timeo = TX_TIMEOUT;
Michael Chanb6016b72005-05-26 13:03:09 -07008547 dev->ethtool_ops = &bnx2_ethtool_ops;
Michael Chanb6016b72005-05-26 13:03:09 -07008548
Michael Chan972ec0d2006-01-23 16:12:43 -08008549 bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008550
Michael Chan1b2f9222007-05-03 13:20:19 -07008551 pci_set_drvdata(pdev, dev);
8552
Joe Perchesd458cdf2013-10-01 19:04:40 -07008553 memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN);
Michael Chan1b2f9222007-05-03 13:20:19 -07008554
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008555 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
8556 NETIF_F_TSO | NETIF_F_TSO_ECN |
8557 NETIF_F_RXHASH | NETIF_F_RXCSUM;
8558
Michael Chan4ce45e02012-12-06 10:33:10 +00008559 if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008560 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
8561
8562 dev->vlan_features = dev->hw_features;
Patrick McHardyf6469682013-04-19 02:04:27 +00008563 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008564 dev->features |= dev->hw_features;
Jiri Pirko01789342011-08-16 06:29:00 +00008565 dev->priv_flags |= IFF_UNICAST_FLT;
Michał Mirosław8d7dfc22011-04-10 04:47:46 +00008566
Ivan Vecera26caa342015-02-26 14:48:07 +01008567 if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
8568 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
8569
Michael Chanb6016b72005-05-26 13:03:09 -07008570 if ((rc = register_netdev(dev))) {
Jeff Garzik9b91cf92006-06-27 11:39:50 -04008571 dev_err(&pdev->dev, "Cannot register net device\n");
Michael Chan57579f72009-04-04 16:51:14 -07008572 goto error;
Michael Chanb6016b72005-05-26 13:03:09 -07008573 }
8574
Francois Romieuc0357e92012-03-09 14:51:47 +01008575 netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, "
8576 "node addr %pM\n", board_info[ent->driver_data].name,
Michael Chan4ce45e02012-12-06 10:33:10 +00008577 ((BNX2_CHIP_ID(bp) & 0xf000) >> 12) + 'A',
8578 ((BNX2_CHIP_ID(bp) & 0x0ff0) >> 4),
Francois Romieuc0357e92012-03-09 14:51:47 +01008579 bnx2_bus_string(bp, str), (long)pci_resource_start(pdev, 0),
8580 pdev->irq, dev->dev_addr);
Michael Chanb6016b72005-05-26 13:03:09 -07008581
Michael Chanb6016b72005-05-26 13:03:09 -07008582 return 0;
Michael Chan57579f72009-04-04 16:51:14 -07008583
8584error:
Michael Chanfda4d852012-12-11 18:24:20 -08008585 pci_iounmap(pdev, bp->regview);
Michael Chan57579f72009-04-04 16:51:14 -07008586 pci_release_regions(pdev);
8587 pci_disable_device(pdev);
Francois Romieuc0357e92012-03-09 14:51:47 +01008588err_free:
Michael Chan57579f72009-04-04 16:51:14 -07008589 free_netdev(dev);
8590 return rc;
Michael Chanb6016b72005-05-26 13:03:09 -07008591}
8592
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008593static void
Michael Chanb6016b72005-05-26 13:03:09 -07008594bnx2_remove_one(struct pci_dev *pdev)
8595{
8596 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008597 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008598
8599 unregister_netdev(dev);
8600
Neil Horman8333a462011-04-26 10:30:11 +00008601 del_timer_sync(&bp->timer);
Michael Chancd634012011-07-15 06:53:58 +00008602 cancel_work_sync(&bp->reset_task);
Neil Horman8333a462011-04-26 10:30:11 +00008603
Francois Romieuc0357e92012-03-09 14:51:47 +01008604 pci_iounmap(bp->pdev, bp->regview);
Michael Chanb6016b72005-05-26 13:03:09 -07008605
Michael Chan354fcd72010-01-17 07:30:44 +00008606 kfree(bp->temp_stats_blk);
8607
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008608 if (bp->flags & BNX2_FLAG_AER_ENABLED) {
Michael Chanc239f272010-10-11 16:12:28 -07008609 pci_disable_pcie_error_reporting(pdev);
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008610 bp->flags &= ~BNX2_FLAG_AER_ENABLED;
8611 }
John Feeneycd709aa2010-08-22 17:45:53 +00008612
françois romieu7880b722011-09-30 00:36:52 +00008613 bnx2_release_firmware(bp);
8614
Michael Chanc239f272010-10-11 16:12:28 -07008615 free_netdev(dev);
John Feeneycd709aa2010-08-22 17:45:53 +00008616
Michael Chanb6016b72005-05-26 13:03:09 -07008617 pci_release_regions(pdev);
8618 pci_disable_device(pdev);
Michael Chanb6016b72005-05-26 13:03:09 -07008619}
8620
Daniel J Blueman77d149c2014-04-11 16:14:26 +08008621#ifdef CONFIG_PM_SLEEP
Michael Chanb6016b72005-05-26 13:03:09 -07008622static int
Michael Chan28fb4eb2013-08-06 15:50:10 -07008623bnx2_suspend(struct device *device)
Michael Chanb6016b72005-05-26 13:03:09 -07008624{
Michael Chan28fb4eb2013-08-06 15:50:10 -07008625 struct pci_dev *pdev = to_pci_dev(device);
Michael Chanb6016b72005-05-26 13:03:09 -07008626 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008627 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008628
Michael Chan28fb4eb2013-08-06 15:50:10 -07008629 if (netif_running(dev)) {
8630 cancel_work_sync(&bp->reset_task);
8631 bnx2_netif_stop(bp, true);
8632 netif_device_detach(dev);
8633 del_timer_sync(&bp->timer);
8634 bnx2_shutdown_chip(bp);
8635 __bnx2_free_irq(bp);
8636 bnx2_free_skbs(bp);
8637 }
8638 bnx2_setup_wol(bp);
Michael Chanb6016b72005-05-26 13:03:09 -07008639 return 0;
8640}
8641
8642static int
Michael Chan28fb4eb2013-08-06 15:50:10 -07008643bnx2_resume(struct device *device)
Michael Chanb6016b72005-05-26 13:03:09 -07008644{
Michael Chan28fb4eb2013-08-06 15:50:10 -07008645 struct pci_dev *pdev = to_pci_dev(device);
Michael Chanb6016b72005-05-26 13:03:09 -07008646 struct net_device *dev = pci_get_drvdata(pdev);
Michael Chan972ec0d2006-01-23 16:12:43 -08008647 struct bnx2 *bp = netdev_priv(dev);
Michael Chanb6016b72005-05-26 13:03:09 -07008648
8649 if (!netif_running(dev))
8650 return 0;
8651
Pavel Machek829ca9a2005-09-03 15:56:56 -07008652 bnx2_set_power_state(bp, PCI_D0);
Michael Chanb6016b72005-05-26 13:03:09 -07008653 netif_device_attach(dev);
Michael Chan28fb4eb2013-08-06 15:50:10 -07008654 bnx2_request_irq(bp);
Michael Chan9a120bc2008-05-16 22:17:45 -07008655 bnx2_init_nic(bp, 1);
Michael Chan212f9932010-04-27 11:28:10 +00008656 bnx2_netif_start(bp, true);
Michael Chanb6016b72005-05-26 13:03:09 -07008657 return 0;
8658}
8659
Michael Chan28fb4eb2013-08-06 15:50:10 -07008660static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume);
8661#define BNX2_PM_OPS (&bnx2_pm_ops)
8662
8663#else
8664
8665#define BNX2_PM_OPS NULL
8666
8667#endif /* CONFIG_PM_SLEEP */
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008668/**
8669 * bnx2_io_error_detected - called when PCI error is detected
8670 * @pdev: Pointer to PCI device
8671 * @state: The current pci connection state
8672 *
8673 * This function is called after a PCI bus error affecting
8674 * this device has been detected.
8675 */
8676static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8677 pci_channel_state_t state)
8678{
8679 struct net_device *dev = pci_get_drvdata(pdev);
8680 struct bnx2 *bp = netdev_priv(dev);
8681
8682 rtnl_lock();
8683 netif_device_detach(dev);
8684
Dean Nelson2ec3de22009-07-31 09:13:18 +00008685 if (state == pci_channel_io_perm_failure) {
8686 rtnl_unlock();
8687 return PCI_ERS_RESULT_DISCONNECT;
8688 }
8689
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008690 if (netif_running(dev)) {
Michael Chan212f9932010-04-27 11:28:10 +00008691 bnx2_netif_stop(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008692 del_timer_sync(&bp->timer);
8693 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8694 }
8695
8696 pci_disable_device(pdev);
8697 rtnl_unlock();
8698
8699 /* Request a slot slot reset. */
8700 return PCI_ERS_RESULT_NEED_RESET;
8701}
8702
8703/**
8704 * bnx2_io_slot_reset - called after the pci bus has been reset.
8705 * @pdev: Pointer to PCI device
8706 *
8707 * Restart the card from scratch, as if from a cold-boot.
8708 */
8709static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
8710{
8711 struct net_device *dev = pci_get_drvdata(pdev);
8712 struct bnx2 *bp = netdev_priv(dev);
Michael Chan02481bc2013-08-06 15:50:07 -07008713 pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
8714 int err = 0;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008715
8716 rtnl_lock();
8717 if (pci_enable_device(pdev)) {
8718 dev_err(&pdev->dev,
Joe Perches3a9c6a42010-02-17 15:01:51 +00008719 "Cannot re-enable PCI device after reset\n");
John Feeneycd709aa2010-08-22 17:45:53 +00008720 } else {
8721 pci_set_master(pdev);
8722 pci_restore_state(pdev);
8723 pci_save_state(pdev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008724
Michael Chan25bfb1d2013-08-06 15:50:11 -07008725 if (netif_running(dev))
Michael Chan02481bc2013-08-06 15:50:07 -07008726 err = bnx2_init_nic(bp, 1);
Michael Chan25bfb1d2013-08-06 15:50:11 -07008727
Michael Chan02481bc2013-08-06 15:50:07 -07008728 if (!err)
8729 result = PCI_ERS_RESULT_RECOVERED;
8730 }
8731
8732 if (result != PCI_ERS_RESULT_RECOVERED && netif_running(dev)) {
8733 bnx2_napi_enable(bp);
8734 dev_close(dev);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008735 }
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008736 rtnl_unlock();
John Feeneycd709aa2010-08-22 17:45:53 +00008737
Michael Chan4bb9ebc2011-01-25 22:14:51 +00008738 if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
Michael Chanc239f272010-10-11 16:12:28 -07008739 return result;
8740
John Feeneycd709aa2010-08-22 17:45:53 +00008741 err = pci_cleanup_aer_uncorrect_error_status(pdev);
8742 if (err) {
8743 dev_err(&pdev->dev,
8744 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
8745 err); /* non-fatal, continue */
8746 }
8747
8748 return result;
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008749}
8750
8751/**
8752 * bnx2_io_resume - called when traffic can start flowing again.
8753 * @pdev: Pointer to PCI device
8754 *
8755 * This callback is called when the error recovery driver tells us that
8756 * its OK to resume normal operation.
8757 */
8758static void bnx2_io_resume(struct pci_dev *pdev)
8759{
8760 struct net_device *dev = pci_get_drvdata(pdev);
8761 struct bnx2 *bp = netdev_priv(dev);
8762
8763 rtnl_lock();
8764 if (netif_running(dev))
Michael Chan212f9932010-04-27 11:28:10 +00008765 bnx2_netif_start(bp, true);
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008766
8767 netif_device_attach(dev);
8768 rtnl_unlock();
8769}
8770
Michael Chan25bfb1d2013-08-06 15:50:11 -07008771static void bnx2_shutdown(struct pci_dev *pdev)
8772{
8773 struct net_device *dev = pci_get_drvdata(pdev);
8774 struct bnx2 *bp;
8775
8776 if (!dev)
8777 return;
8778
8779 bp = netdev_priv(dev);
8780 if (!bp)
8781 return;
8782
8783 rtnl_lock();
8784 if (netif_running(dev))
8785 dev_close(bp->dev);
8786
8787 if (system_state == SYSTEM_POWER_OFF)
8788 bnx2_set_power_state(bp, PCI_D3hot);
8789
8790 rtnl_unlock();
8791}
8792
Michael Chanfda4d852012-12-11 18:24:20 -08008793static const struct pci_error_handlers bnx2_err_handler = {
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008794 .error_detected = bnx2_io_error_detected,
8795 .slot_reset = bnx2_io_slot_reset,
8796 .resume = bnx2_io_resume,
8797};
8798
Michael Chanb6016b72005-05-26 13:03:09 -07008799static struct pci_driver bnx2_pci_driver = {
Peter Hagervall14ab9b82005-08-10 14:18:16 -07008800 .name = DRV_MODULE_NAME,
8801 .id_table = bnx2_pci_tbl,
8802 .probe = bnx2_init_one,
Bill Pembertoncfd95a62012-12-03 09:22:58 -05008803 .remove = bnx2_remove_one,
Michael Chan28fb4eb2013-08-06 15:50:10 -07008804 .driver.pm = BNX2_PM_OPS,
Wendy Xiong6ff2da42008-05-16 22:18:21 -07008805 .err_handler = &bnx2_err_handler,
Michael Chan25bfb1d2013-08-06 15:50:11 -07008806 .shutdown = bnx2_shutdown,
Michael Chanb6016b72005-05-26 13:03:09 -07008807};
8808
Peter Hüwe5a4123f2013-05-21 12:58:05 +00008809module_pci_driver(bnx2_pci_driver);