Commit | Line | Data |
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b6016b76 MC |
1 | /* bnx2.c: Broadcom NX2 network driver. |
2 | * | |
dc187cb3 | 3 | * Copyright (c) 2004-2011 Broadcom Corporation |
b6016b76 MC |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation. | |
8 | * | |
9 | * Written by: Michael Chan (mchan@broadcom.com) | |
10 | */ | |
11 | ||
3a9c6a49 | 12 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
f2a4f052 MC |
13 | |
14 | #include <linux/module.h> | |
15 | #include <linux/moduleparam.h> | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/timer.h> | |
19 | #include <linux/errno.h> | |
20 | #include <linux/ioport.h> | |
21 | #include <linux/slab.h> | |
22 | #include <linux/vmalloc.h> | |
23 | #include <linux/interrupt.h> | |
24 | #include <linux/pci.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/netdevice.h> | |
27 | #include <linux/etherdevice.h> | |
28 | #include <linux/skbuff.h> | |
29 | #include <linux/dma-mapping.h> | |
1977f032 | 30 | #include <linux/bitops.h> |
f2a4f052 MC |
31 | #include <asm/io.h> |
32 | #include <asm/irq.h> | |
33 | #include <linux/delay.h> | |
34 | #include <asm/byteorder.h> | |
c86a31f4 | 35 | #include <asm/page.h> |
f2a4f052 MC |
36 | #include <linux/time.h> |
37 | #include <linux/ethtool.h> | |
38 | #include <linux/mii.h> | |
f2a4f052 | 39 | #include <linux/if_vlan.h> |
f2a4f052 | 40 | #include <net/ip.h> |
de081fa5 | 41 | #include <net/tcp.h> |
f2a4f052 | 42 | #include <net/checksum.h> |
f2a4f052 MC |
43 | #include <linux/workqueue.h> |
44 | #include <linux/crc32.h> | |
45 | #include <linux/prefetch.h> | |
29b12174 | 46 | #include <linux/cache.h> |
57579f76 | 47 | #include <linux/firmware.h> |
706bf240 | 48 | #include <linux/log2.h> |
cd709aa9 | 49 | #include <linux/aer.h> |
f2a4f052 | 50 | |
4edd473f MC |
51 | #if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE) |
52 | #define BCM_CNIC 1 | |
53 | #include "cnic_if.h" | |
54 | #endif | |
b6016b76 MC |
55 | #include "bnx2.h" |
56 | #include "bnx2_fw.h" | |
b3448b0b | 57 | |
b6016b76 | 58 | #define DRV_MODULE_NAME "bnx2" |
3aeb7d22 MC |
59 | #define DRV_MODULE_VERSION "2.1.11" |
60 | #define DRV_MODULE_RELDATE "July 20, 2011" | |
0268102d | 61 | #define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.2.1.fw" |
22fa159d | 62 | #define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw" |
dc187cb3 | 63 | #define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.2.1a.fw" |
22fa159d MC |
64 | #define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw" |
65 | #define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw" | |
b6016b76 MC |
66 | |
67 | #define RUN_AT(x) (jiffies + (x)) | |
68 | ||
69 | /* Time in jiffies before concluding the transmitter is hung. */ | |
70 | #define TX_TIMEOUT (5*HZ) | |
71 | ||
fefa8645 | 72 | static char version[] __devinitdata = |
b6016b76 MC |
73 | "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; |
74 | ||
75 | MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>"); | |
453a9c6e | 76 | MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver"); |
b6016b76 MC |
77 | MODULE_LICENSE("GPL"); |
78 | MODULE_VERSION(DRV_MODULE_VERSION); | |
57579f76 MC |
79 | MODULE_FIRMWARE(FW_MIPS_FILE_06); |
80 | MODULE_FIRMWARE(FW_RV2P_FILE_06); | |
81 | MODULE_FIRMWARE(FW_MIPS_FILE_09); | |
82 | MODULE_FIRMWARE(FW_RV2P_FILE_09); | |
078b0735 | 83 | MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax); |
b6016b76 MC |
84 | |
85 | static int disable_msi = 0; | |
86 | ||
87 | module_param(disable_msi, int, 0); | |
88 | MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); | |
89 | ||
90 | typedef enum { | |
91 | BCM5706 = 0, | |
92 | NC370T, | |
93 | NC370I, | |
94 | BCM5706S, | |
95 | NC370F, | |
5b0c76ad MC |
96 | BCM5708, |
97 | BCM5708S, | |
bac0dff6 | 98 | BCM5709, |
27a005b8 | 99 | BCM5709S, |
7bb0a04f | 100 | BCM5716, |
1caacecb | 101 | BCM5716S, |
b6016b76 MC |
102 | } board_t; |
103 | ||
104 | /* indexed by board_t, above */ | |
fefa8645 | 105 | static struct { |
b6016b76 MC |
106 | char *name; |
107 | } board_info[] __devinitdata = { | |
108 | { "Broadcom NetXtreme II BCM5706 1000Base-T" }, | |
109 | { "HP NC370T Multifunction Gigabit Server Adapter" }, | |
110 | { "HP NC370i Multifunction Gigabit Server Adapter" }, | |
111 | { "Broadcom NetXtreme II BCM5706 1000Base-SX" }, | |
112 | { "HP NC370F Multifunction Gigabit Server Adapter" }, | |
5b0c76ad MC |
113 | { "Broadcom NetXtreme II BCM5708 1000Base-T" }, |
114 | { "Broadcom NetXtreme II BCM5708 1000Base-SX" }, | |
bac0dff6 | 115 | { "Broadcom NetXtreme II BCM5709 1000Base-T" }, |
27a005b8 | 116 | { "Broadcom NetXtreme II BCM5709 1000Base-SX" }, |
7bb0a04f | 117 | { "Broadcom NetXtreme II BCM5716 1000Base-T" }, |
1caacecb | 118 | { "Broadcom NetXtreme II BCM5716 1000Base-SX" }, |
b6016b76 MC |
119 | }; |
120 | ||
7bb0a04f | 121 | static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = { |
b6016b76 MC |
122 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, |
123 | PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T }, | |
124 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, | |
125 | PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I }, | |
126 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, | |
127 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 }, | |
5b0c76ad MC |
128 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708, |
129 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 }, | |
b6016b76 MC |
130 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S, |
131 | PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F }, | |
132 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S, | |
133 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S }, | |
5b0c76ad MC |
134 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S, |
135 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S }, | |
bac0dff6 MC |
136 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709, |
137 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 }, | |
27a005b8 MC |
138 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S, |
139 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S }, | |
7bb0a04f MC |
140 | { PCI_VENDOR_ID_BROADCOM, 0x163b, |
141 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 }, | |
1caacecb | 142 | { PCI_VENDOR_ID_BROADCOM, 0x163c, |
1f2435e5 | 143 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S }, |
b6016b76 MC |
144 | { 0, } |
145 | }; | |
146 | ||
0ced9d01 | 147 | static const struct flash_spec flash_table[] = |
b6016b76 | 148 | { |
e30372c9 MC |
149 | #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE) |
150 | #define NONBUFFERED_FLAGS (BNX2_NV_WREN) | |
b6016b76 | 151 | /* Slow EEPROM */ |
37137709 | 152 | {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400, |
e30372c9 | 153 | BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, |
b6016b76 MC |
154 | SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, |
155 | "EEPROM - slow"}, | |
37137709 MC |
156 | /* Expansion entry 0001 */ |
157 | {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406, | |
e30372c9 | 158 | NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, |
37137709 MC |
159 | SAIFUN_FLASH_BYTE_ADDR_MASK, 0, |
160 | "Entry 0001"}, | |
b6016b76 MC |
161 | /* Saifun SA25F010 (non-buffered flash) */ |
162 | /* strap, cfg1, & write1 need updates */ | |
37137709 | 163 | {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406, |
e30372c9 | 164 | NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, |
b6016b76 MC |
165 | SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2, |
166 | "Non-buffered flash (128kB)"}, | |
167 | /* Saifun SA25F020 (non-buffered flash) */ | |
168 | /* strap, cfg1, & write1 need updates */ | |
37137709 | 169 | {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406, |
e30372c9 | 170 | NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, |
b6016b76 MC |
171 | SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4, |
172 | "Non-buffered flash (256kB)"}, | |
37137709 MC |
173 | /* Expansion entry 0100 */ |
174 | {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406, | |
e30372c9 | 175 | NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, |
37137709 MC |
176 | SAIFUN_FLASH_BYTE_ADDR_MASK, 0, |
177 | "Entry 0100"}, | |
178 | /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */ | |
6aa20a22 | 179 | {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406, |
e30372c9 | 180 | NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, |
37137709 MC |
181 | ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2, |
182 | "Entry 0101: ST M45PE10 (128kB non-bufferred)"}, | |
183 | /* Entry 0110: ST M45PE20 (non-buffered flash)*/ | |
184 | {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406, | |
e30372c9 | 185 | NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, |
37137709 MC |
186 | ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4, |
187 | "Entry 0110: ST M45PE20 (256kB non-bufferred)"}, | |
188 | /* Saifun SA25F005 (non-buffered flash) */ | |
189 | /* strap, cfg1, & write1 need updates */ | |
190 | {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406, | |
e30372c9 | 191 | NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, |
37137709 MC |
192 | SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE, |
193 | "Non-buffered flash (64kB)"}, | |
194 | /* Fast EEPROM */ | |
195 | {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400, | |
e30372c9 | 196 | BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, |
37137709 MC |
197 | SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, |
198 | "EEPROM - fast"}, | |
199 | /* Expansion entry 1001 */ | |
200 | {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406, | |
e30372c9 | 201 | NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, |
37137709 MC |
202 | SAIFUN_FLASH_BYTE_ADDR_MASK, 0, |
203 | "Entry 1001"}, | |
204 | /* Expansion entry 1010 */ | |
205 | {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406, | |
e30372c9 | 206 | NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, |
37137709 MC |
207 | SAIFUN_FLASH_BYTE_ADDR_MASK, 0, |
208 | "Entry 1010"}, | |
209 | /* ATMEL AT45DB011B (buffered flash) */ | |
210 | {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400, | |
e30372c9 | 211 | BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, |
37137709 MC |
212 | BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE, |
213 | "Buffered flash (128kB)"}, | |
214 | /* Expansion entry 1100 */ | |
215 | {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406, | |
e30372c9 | 216 | NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, |
37137709 MC |
217 | SAIFUN_FLASH_BYTE_ADDR_MASK, 0, |
218 | "Entry 1100"}, | |
219 | /* Expansion entry 1101 */ | |
220 | {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406, | |
e30372c9 | 221 | NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, |
37137709 MC |
222 | SAIFUN_FLASH_BYTE_ADDR_MASK, 0, |
223 | "Entry 1101"}, | |
224 | /* Ateml Expansion entry 1110 */ | |
225 | {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400, | |
e30372c9 | 226 | BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, |
37137709 MC |
227 | BUFFERED_FLASH_BYTE_ADDR_MASK, 0, |
228 | "Entry 1110 (Atmel)"}, | |
229 | /* ATMEL AT45DB021B (buffered flash) */ | |
230 | {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400, | |
e30372c9 | 231 | BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, |
37137709 MC |
232 | BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2, |
233 | "Buffered flash (256kB)"}, | |
b6016b76 MC |
234 | }; |
235 | ||
0ced9d01 | 236 | static const struct flash_spec flash_5709 = { |
e30372c9 MC |
237 | .flags = BNX2_NV_BUFFERED, |
238 | .page_bits = BCM5709_FLASH_PAGE_BITS, | |
239 | .page_size = BCM5709_FLASH_PAGE_SIZE, | |
240 | .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK, | |
241 | .total_size = BUFFERED_FLASH_TOTAL_SIZE*2, | |
242 | .name = "5709 Buffered flash (256kB)", | |
243 | }; | |
244 | ||
b6016b76 MC |
245 | MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl); |
246 | ||
4327ba43 | 247 | static void bnx2_init_napi(struct bnx2 *bp); |
f048fa9c | 248 | static void bnx2_del_napi(struct bnx2 *bp); |
4327ba43 | 249 | |
35e9010b | 250 | static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr) |
e89bbf10 | 251 | { |
2f8af120 | 252 | u32 diff; |
e89bbf10 | 253 | |
11848b96 MC |
254 | /* Tell compiler to fetch tx_prod and tx_cons from memory. */ |
255 | barrier(); | |
faac9c4b MC |
256 | |
257 | /* The ring uses 256 indices for 255 entries, one of them | |
258 | * needs to be skipped. | |
259 | */ | |
35e9010b | 260 | diff = txr->tx_prod - txr->tx_cons; |
faac9c4b MC |
261 | if (unlikely(diff >= TX_DESC_CNT)) { |
262 | diff &= 0xffff; | |
263 | if (diff == TX_DESC_CNT) | |
264 | diff = MAX_TX_DESC_CNT; | |
265 | } | |
807540ba | 266 | return bp->tx_ring_size - diff; |
e89bbf10 MC |
267 | } |
268 | ||
b6016b76 MC |
269 | static u32 |
270 | bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset) | |
271 | { | |
1b8227c4 MC |
272 | u32 val; |
273 | ||
274 | spin_lock_bh(&bp->indirect_lock); | |
b6016b76 | 275 | REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset); |
1b8227c4 MC |
276 | val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW); |
277 | spin_unlock_bh(&bp->indirect_lock); | |
278 | return val; | |
b6016b76 MC |
279 | } |
280 | ||
281 | static void | |
282 | bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val) | |
283 | { | |
1b8227c4 | 284 | spin_lock_bh(&bp->indirect_lock); |
b6016b76 MC |
285 | REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset); |
286 | REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val); | |
1b8227c4 | 287 | spin_unlock_bh(&bp->indirect_lock); |
b6016b76 MC |
288 | } |
289 | ||
2726d6e1 MC |
290 | static void |
291 | bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val) | |
292 | { | |
293 | bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val); | |
294 | } | |
295 | ||
296 | static u32 | |
297 | bnx2_shmem_rd(struct bnx2 *bp, u32 offset) | |
298 | { | |
807540ba | 299 | return bnx2_reg_rd_ind(bp, bp->shmem_base + offset); |
2726d6e1 MC |
300 | } |
301 | ||
b6016b76 MC |
302 | static void |
303 | bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val) | |
304 | { | |
305 | offset += cid_addr; | |
1b8227c4 | 306 | spin_lock_bh(&bp->indirect_lock); |
59b47d8a MC |
307 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
308 | int i; | |
309 | ||
310 | REG_WR(bp, BNX2_CTX_CTX_DATA, val); | |
311 | REG_WR(bp, BNX2_CTX_CTX_CTRL, | |
312 | offset | BNX2_CTX_CTX_CTRL_WRITE_REQ); | |
313 | for (i = 0; i < 5; i++) { | |
59b47d8a MC |
314 | val = REG_RD(bp, BNX2_CTX_CTX_CTRL); |
315 | if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0) | |
316 | break; | |
317 | udelay(5); | |
318 | } | |
319 | } else { | |
320 | REG_WR(bp, BNX2_CTX_DATA_ADR, offset); | |
321 | REG_WR(bp, BNX2_CTX_DATA, val); | |
322 | } | |
1b8227c4 | 323 | spin_unlock_bh(&bp->indirect_lock); |
b6016b76 MC |
324 | } |
325 | ||
4edd473f MC |
326 | #ifdef BCM_CNIC |
327 | static int | |
328 | bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info) | |
329 | { | |
330 | struct bnx2 *bp = netdev_priv(dev); | |
331 | struct drv_ctl_io *io = &info->data.io; | |
332 | ||
333 | switch (info->cmd) { | |
334 | case DRV_CTL_IO_WR_CMD: | |
335 | bnx2_reg_wr_ind(bp, io->offset, io->data); | |
336 | break; | |
337 | case DRV_CTL_IO_RD_CMD: | |
338 | io->data = bnx2_reg_rd_ind(bp, io->offset); | |
339 | break; | |
340 | case DRV_CTL_CTX_WR_CMD: | |
341 | bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data); | |
342 | break; | |
343 | default: | |
344 | return -EINVAL; | |
345 | } | |
346 | return 0; | |
347 | } | |
348 | ||
349 | static void bnx2_setup_cnic_irq_info(struct bnx2 *bp) | |
350 | { | |
351 | struct cnic_eth_dev *cp = &bp->cnic_eth_dev; | |
352 | struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; | |
353 | int sb_id; | |
354 | ||
355 | if (bp->flags & BNX2_FLAG_USING_MSIX) { | |
356 | cp->drv_state |= CNIC_DRV_STATE_USING_MSIX; | |
357 | bnapi->cnic_present = 0; | |
358 | sb_id = bp->irq_nvecs; | |
359 | cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX; | |
360 | } else { | |
361 | cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX; | |
362 | bnapi->cnic_tag = bnapi->last_status_idx; | |
363 | bnapi->cnic_present = 1; | |
364 | sb_id = 0; | |
365 | cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX; | |
366 | } | |
367 | ||
368 | cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector; | |
369 | cp->irq_arr[0].status_blk = (void *) | |
370 | ((unsigned long) bnapi->status_blk.msi + | |
371 | (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id)); | |
372 | cp->irq_arr[0].status_blk_num = sb_id; | |
373 | cp->num_irq = 1; | |
374 | } | |
375 | ||
376 | static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops, | |
377 | void *data) | |
378 | { | |
379 | struct bnx2 *bp = netdev_priv(dev); | |
380 | struct cnic_eth_dev *cp = &bp->cnic_eth_dev; | |
381 | ||
382 | if (ops == NULL) | |
383 | return -EINVAL; | |
384 | ||
385 | if (cp->drv_state & CNIC_DRV_STATE_REGD) | |
386 | return -EBUSY; | |
387 | ||
41c2178a MC |
388 | if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN)) |
389 | return -ENODEV; | |
390 | ||
4edd473f MC |
391 | bp->cnic_data = data; |
392 | rcu_assign_pointer(bp->cnic_ops, ops); | |
393 | ||
394 | cp->num_irq = 0; | |
395 | cp->drv_state = CNIC_DRV_STATE_REGD; | |
396 | ||
397 | bnx2_setup_cnic_irq_info(bp); | |
398 | ||
399 | return 0; | |
400 | } | |
401 | ||
402 | static int bnx2_unregister_cnic(struct net_device *dev) | |
403 | { | |
404 | struct bnx2 *bp = netdev_priv(dev); | |
405 | struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; | |
406 | struct cnic_eth_dev *cp = &bp->cnic_eth_dev; | |
407 | ||
c5a88950 | 408 | mutex_lock(&bp->cnic_lock); |
4edd473f MC |
409 | cp->drv_state = 0; |
410 | bnapi->cnic_present = 0; | |
411 | rcu_assign_pointer(bp->cnic_ops, NULL); | |
c5a88950 | 412 | mutex_unlock(&bp->cnic_lock); |
4edd473f MC |
413 | synchronize_rcu(); |
414 | return 0; | |
415 | } | |
416 | ||
417 | struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev) | |
418 | { | |
419 | struct bnx2 *bp = netdev_priv(dev); | |
420 | struct cnic_eth_dev *cp = &bp->cnic_eth_dev; | |
421 | ||
7625eb2f MC |
422 | if (!cp->max_iscsi_conn) |
423 | return NULL; | |
424 | ||
4edd473f MC |
425 | cp->drv_owner = THIS_MODULE; |
426 | cp->chip_id = bp->chip_id; | |
427 | cp->pdev = bp->pdev; | |
428 | cp->io_base = bp->regview; | |
429 | cp->drv_ctl = bnx2_drv_ctl; | |
430 | cp->drv_register_cnic = bnx2_register_cnic; | |
431 | cp->drv_unregister_cnic = bnx2_unregister_cnic; | |
432 | ||
433 | return cp; | |
434 | } | |
435 | EXPORT_SYMBOL(bnx2_cnic_probe); | |
436 | ||
437 | static void | |
438 | bnx2_cnic_stop(struct bnx2 *bp) | |
439 | { | |
440 | struct cnic_ops *c_ops; | |
441 | struct cnic_ctl_info info; | |
442 | ||
c5a88950 | 443 | mutex_lock(&bp->cnic_lock); |
13707f9e ED |
444 | c_ops = rcu_dereference_protected(bp->cnic_ops, |
445 | lockdep_is_held(&bp->cnic_lock)); | |
4edd473f MC |
446 | if (c_ops) { |
447 | info.cmd = CNIC_CTL_STOP_CMD; | |
448 | c_ops->cnic_ctl(bp->cnic_data, &info); | |
449 | } | |
c5a88950 | 450 | mutex_unlock(&bp->cnic_lock); |
4edd473f MC |
451 | } |
452 | ||
453 | static void | |
454 | bnx2_cnic_start(struct bnx2 *bp) | |
455 | { | |
456 | struct cnic_ops *c_ops; | |
457 | struct cnic_ctl_info info; | |
458 | ||
c5a88950 | 459 | mutex_lock(&bp->cnic_lock); |
13707f9e ED |
460 | c_ops = rcu_dereference_protected(bp->cnic_ops, |
461 | lockdep_is_held(&bp->cnic_lock)); | |
4edd473f MC |
462 | if (c_ops) { |
463 | if (!(bp->flags & BNX2_FLAG_USING_MSIX)) { | |
464 | struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; | |
465 | ||
466 | bnapi->cnic_tag = bnapi->last_status_idx; | |
467 | } | |
468 | info.cmd = CNIC_CTL_START_CMD; | |
469 | c_ops->cnic_ctl(bp->cnic_data, &info); | |
470 | } | |
c5a88950 | 471 | mutex_unlock(&bp->cnic_lock); |
4edd473f MC |
472 | } |
473 | ||
474 | #else | |
475 | ||
476 | static void | |
477 | bnx2_cnic_stop(struct bnx2 *bp) | |
478 | { | |
479 | } | |
480 | ||
481 | static void | |
482 | bnx2_cnic_start(struct bnx2 *bp) | |
483 | { | |
484 | } | |
485 | ||
486 | #endif | |
487 | ||
b6016b76 MC |
488 | static int |
489 | bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val) | |
490 | { | |
491 | u32 val1; | |
492 | int i, ret; | |
493 | ||
583c28e5 | 494 | if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { |
b6016b76 MC |
495 | val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE); |
496 | val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL; | |
497 | ||
498 | REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1); | |
499 | REG_RD(bp, BNX2_EMAC_MDIO_MODE); | |
500 | ||
501 | udelay(40); | |
502 | } | |
503 | ||
504 | val1 = (bp->phy_addr << 21) | (reg << 16) | | |
505 | BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT | | |
506 | BNX2_EMAC_MDIO_COMM_START_BUSY; | |
507 | REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1); | |
508 | ||
509 | for (i = 0; i < 50; i++) { | |
510 | udelay(10); | |
511 | ||
512 | val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM); | |
513 | if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) { | |
514 | udelay(5); | |
515 | ||
516 | val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM); | |
517 | val1 &= BNX2_EMAC_MDIO_COMM_DATA; | |
518 | ||
519 | break; | |
520 | } | |
521 | } | |
522 | ||
523 | if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) { | |
524 | *val = 0x0; | |
525 | ret = -EBUSY; | |
526 | } | |
527 | else { | |
528 | *val = val1; | |
529 | ret = 0; | |
530 | } | |
531 | ||
583c28e5 | 532 | if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { |
b6016b76 MC |
533 | val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE); |
534 | val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL; | |
535 | ||
536 | REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1); | |
537 | REG_RD(bp, BNX2_EMAC_MDIO_MODE); | |
538 | ||
539 | udelay(40); | |
540 | } | |
541 | ||
542 | return ret; | |
543 | } | |
544 | ||
545 | static int | |
546 | bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val) | |
547 | { | |
548 | u32 val1; | |
549 | int i, ret; | |
550 | ||
583c28e5 | 551 | if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { |
b6016b76 MC |
552 | val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE); |
553 | val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL; | |
554 | ||
555 | REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1); | |
556 | REG_RD(bp, BNX2_EMAC_MDIO_MODE); | |
557 | ||
558 | udelay(40); | |
559 | } | |
560 | ||
561 | val1 = (bp->phy_addr << 21) | (reg << 16) | val | | |
562 | BNX2_EMAC_MDIO_COMM_COMMAND_WRITE | | |
563 | BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT; | |
564 | REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1); | |
6aa20a22 | 565 | |
b6016b76 MC |
566 | for (i = 0; i < 50; i++) { |
567 | udelay(10); | |
568 | ||
569 | val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM); | |
570 | if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) { | |
571 | udelay(5); | |
572 | break; | |
573 | } | |
574 | } | |
575 | ||
576 | if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) | |
577 | ret = -EBUSY; | |
578 | else | |
579 | ret = 0; | |
580 | ||
583c28e5 | 581 | if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) { |
b6016b76 MC |
582 | val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE); |
583 | val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL; | |
584 | ||
585 | REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1); | |
586 | REG_RD(bp, BNX2_EMAC_MDIO_MODE); | |
587 | ||
588 | udelay(40); | |
589 | } | |
590 | ||
591 | return ret; | |
592 | } | |
593 | ||
594 | static void | |
595 | bnx2_disable_int(struct bnx2 *bp) | |
596 | { | |
b4b36042 MC |
597 | int i; |
598 | struct bnx2_napi *bnapi; | |
599 | ||
600 | for (i = 0; i < bp->irq_nvecs; i++) { | |
601 | bnapi = &bp->bnx2_napi[i]; | |
602 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | | |
603 | BNX2_PCICFG_INT_ACK_CMD_MASK_INT); | |
604 | } | |
b6016b76 MC |
605 | REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD); |
606 | } | |
607 | ||
608 | static void | |
609 | bnx2_enable_int(struct bnx2 *bp) | |
610 | { | |
b4b36042 MC |
611 | int i; |
612 | struct bnx2_napi *bnapi; | |
35efa7c1 | 613 | |
b4b36042 MC |
614 | for (i = 0; i < bp->irq_nvecs; i++) { |
615 | bnapi = &bp->bnx2_napi[i]; | |
1269a8a6 | 616 | |
b4b36042 MC |
617 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | |
618 | BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | | |
619 | BNX2_PCICFG_INT_ACK_CMD_MASK_INT | | |
620 | bnapi->last_status_idx); | |
b6016b76 | 621 | |
b4b36042 MC |
622 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | |
623 | BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | | |
624 | bnapi->last_status_idx); | |
625 | } | |
bf5295bb | 626 | REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW); |
b6016b76 MC |
627 | } |
628 | ||
629 | static void | |
630 | bnx2_disable_int_sync(struct bnx2 *bp) | |
631 | { | |
b4b36042 MC |
632 | int i; |
633 | ||
b6016b76 | 634 | atomic_inc(&bp->intr_sem); |
3767546c MC |
635 | if (!netif_running(bp->dev)) |
636 | return; | |
637 | ||
b6016b76 | 638 | bnx2_disable_int(bp); |
b4b36042 MC |
639 | for (i = 0; i < bp->irq_nvecs; i++) |
640 | synchronize_irq(bp->irq_tbl[i].vector); | |
b6016b76 MC |
641 | } |
642 | ||
35efa7c1 MC |
643 | static void |
644 | bnx2_napi_disable(struct bnx2 *bp) | |
645 | { | |
b4b36042 MC |
646 | int i; |
647 | ||
648 | for (i = 0; i < bp->irq_nvecs; i++) | |
649 | napi_disable(&bp->bnx2_napi[i].napi); | |
35efa7c1 MC |
650 | } |
651 | ||
652 | static void | |
653 | bnx2_napi_enable(struct bnx2 *bp) | |
654 | { | |
b4b36042 MC |
655 | int i; |
656 | ||
657 | for (i = 0; i < bp->irq_nvecs; i++) | |
658 | napi_enable(&bp->bnx2_napi[i].napi); | |
35efa7c1 MC |
659 | } |
660 | ||
b6016b76 | 661 | static void |
212f9934 | 662 | bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic) |
b6016b76 | 663 | { |
212f9934 MC |
664 | if (stop_cnic) |
665 | bnx2_cnic_stop(bp); | |
b6016b76 | 666 | if (netif_running(bp->dev)) { |
35efa7c1 | 667 | bnx2_napi_disable(bp); |
b6016b76 | 668 | netif_tx_disable(bp->dev); |
b6016b76 | 669 | } |
b7466560 | 670 | bnx2_disable_int_sync(bp); |
a0ba6760 | 671 | netif_carrier_off(bp->dev); /* prevent tx timeout */ |
b6016b76 MC |
672 | } |
673 | ||
674 | static void | |
212f9934 | 675 | bnx2_netif_start(struct bnx2 *bp, bool start_cnic) |
b6016b76 MC |
676 | { |
677 | if (atomic_dec_and_test(&bp->intr_sem)) { | |
678 | if (netif_running(bp->dev)) { | |
706bf240 | 679 | netif_tx_wake_all_queues(bp->dev); |
a0ba6760 MC |
680 | spin_lock_bh(&bp->phy_lock); |
681 | if (bp->link_up) | |
682 | netif_carrier_on(bp->dev); | |
683 | spin_unlock_bh(&bp->phy_lock); | |
35efa7c1 | 684 | bnx2_napi_enable(bp); |
b6016b76 | 685 | bnx2_enable_int(bp); |
212f9934 MC |
686 | if (start_cnic) |
687 | bnx2_cnic_start(bp); | |
b6016b76 MC |
688 | } |
689 | } | |
690 | } | |
691 | ||
35e9010b MC |
692 | static void |
693 | bnx2_free_tx_mem(struct bnx2 *bp) | |
694 | { | |
695 | int i; | |
696 | ||
697 | for (i = 0; i < bp->num_tx_rings; i++) { | |
698 | struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; | |
699 | struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; | |
700 | ||
701 | if (txr->tx_desc_ring) { | |
36227e88 SG |
702 | dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE, |
703 | txr->tx_desc_ring, | |
704 | txr->tx_desc_mapping); | |
35e9010b MC |
705 | txr->tx_desc_ring = NULL; |
706 | } | |
707 | kfree(txr->tx_buf_ring); | |
708 | txr->tx_buf_ring = NULL; | |
709 | } | |
710 | } | |
711 | ||
bb4f98ab MC |
712 | static void |
713 | bnx2_free_rx_mem(struct bnx2 *bp) | |
714 | { | |
715 | int i; | |
716 | ||
717 | for (i = 0; i < bp->num_rx_rings; i++) { | |
718 | struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; | |
719 | struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; | |
720 | int j; | |
721 | ||
722 | for (j = 0; j < bp->rx_max_ring; j++) { | |
723 | if (rxr->rx_desc_ring[j]) | |
36227e88 SG |
724 | dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE, |
725 | rxr->rx_desc_ring[j], | |
726 | rxr->rx_desc_mapping[j]); | |
bb4f98ab MC |
727 | rxr->rx_desc_ring[j] = NULL; |
728 | } | |
25b0b999 | 729 | vfree(rxr->rx_buf_ring); |
bb4f98ab MC |
730 | rxr->rx_buf_ring = NULL; |
731 | ||
732 | for (j = 0; j < bp->rx_max_pg_ring; j++) { | |
733 | if (rxr->rx_pg_desc_ring[j]) | |
36227e88 SG |
734 | dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE, |
735 | rxr->rx_pg_desc_ring[j], | |
736 | rxr->rx_pg_desc_mapping[j]); | |
3298a738 | 737 | rxr->rx_pg_desc_ring[j] = NULL; |
bb4f98ab | 738 | } |
25b0b999 | 739 | vfree(rxr->rx_pg_ring); |
bb4f98ab MC |
740 | rxr->rx_pg_ring = NULL; |
741 | } | |
742 | } | |
743 | ||
35e9010b MC |
744 | static int |
745 | bnx2_alloc_tx_mem(struct bnx2 *bp) | |
746 | { | |
747 | int i; | |
748 | ||
749 | for (i = 0; i < bp->num_tx_rings; i++) { | |
750 | struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; | |
751 | struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; | |
752 | ||
753 | txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL); | |
754 | if (txr->tx_buf_ring == NULL) | |
755 | return -ENOMEM; | |
756 | ||
757 | txr->tx_desc_ring = | |
36227e88 SG |
758 | dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE, |
759 | &txr->tx_desc_mapping, GFP_KERNEL); | |
35e9010b MC |
760 | if (txr->tx_desc_ring == NULL) |
761 | return -ENOMEM; | |
762 | } | |
763 | return 0; | |
764 | } | |
765 | ||
bb4f98ab MC |
766 | static int |
767 | bnx2_alloc_rx_mem(struct bnx2 *bp) | |
768 | { | |
769 | int i; | |
770 | ||
771 | for (i = 0; i < bp->num_rx_rings; i++) { | |
772 | struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; | |
773 | struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; | |
774 | int j; | |
775 | ||
776 | rxr->rx_buf_ring = | |
89bf67f1 | 777 | vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring); |
bb4f98ab MC |
778 | if (rxr->rx_buf_ring == NULL) |
779 | return -ENOMEM; | |
780 | ||
bb4f98ab MC |
781 | for (j = 0; j < bp->rx_max_ring; j++) { |
782 | rxr->rx_desc_ring[j] = | |
36227e88 SG |
783 | dma_alloc_coherent(&bp->pdev->dev, |
784 | RXBD_RING_SIZE, | |
785 | &rxr->rx_desc_mapping[j], | |
786 | GFP_KERNEL); | |
bb4f98ab MC |
787 | if (rxr->rx_desc_ring[j] == NULL) |
788 | return -ENOMEM; | |
789 | ||
790 | } | |
791 | ||
792 | if (bp->rx_pg_ring_size) { | |
89bf67f1 | 793 | rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE * |
bb4f98ab MC |
794 | bp->rx_max_pg_ring); |
795 | if (rxr->rx_pg_ring == NULL) | |
796 | return -ENOMEM; | |
797 | ||
bb4f98ab MC |
798 | } |
799 | ||
800 | for (j = 0; j < bp->rx_max_pg_ring; j++) { | |
801 | rxr->rx_pg_desc_ring[j] = | |
36227e88 SG |
802 | dma_alloc_coherent(&bp->pdev->dev, |
803 | RXBD_RING_SIZE, | |
804 | &rxr->rx_pg_desc_mapping[j], | |
805 | GFP_KERNEL); | |
bb4f98ab MC |
806 | if (rxr->rx_pg_desc_ring[j] == NULL) |
807 | return -ENOMEM; | |
808 | ||
809 | } | |
810 | } | |
811 | return 0; | |
812 | } | |
813 | ||
b6016b76 MC |
814 | static void |
815 | bnx2_free_mem(struct bnx2 *bp) | |
816 | { | |
13daffa2 | 817 | int i; |
43e80b89 | 818 | struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; |
13daffa2 | 819 | |
35e9010b | 820 | bnx2_free_tx_mem(bp); |
bb4f98ab | 821 | bnx2_free_rx_mem(bp); |
35e9010b | 822 | |
59b47d8a MC |
823 | for (i = 0; i < bp->ctx_pages; i++) { |
824 | if (bp->ctx_blk[i]) { | |
36227e88 SG |
825 | dma_free_coherent(&bp->pdev->dev, BCM_PAGE_SIZE, |
826 | bp->ctx_blk[i], | |
827 | bp->ctx_blk_mapping[i]); | |
59b47d8a MC |
828 | bp->ctx_blk[i] = NULL; |
829 | } | |
830 | } | |
43e80b89 | 831 | if (bnapi->status_blk.msi) { |
36227e88 SG |
832 | dma_free_coherent(&bp->pdev->dev, bp->status_stats_size, |
833 | bnapi->status_blk.msi, | |
834 | bp->status_blk_mapping); | |
43e80b89 | 835 | bnapi->status_blk.msi = NULL; |
0f31f994 | 836 | bp->stats_blk = NULL; |
b6016b76 | 837 | } |
b6016b76 MC |
838 | } |
839 | ||
840 | static int | |
841 | bnx2_alloc_mem(struct bnx2 *bp) | |
842 | { | |
35e9010b | 843 | int i, status_blk_size, err; |
43e80b89 MC |
844 | struct bnx2_napi *bnapi; |
845 | void *status_blk; | |
b6016b76 | 846 | |
0f31f994 MC |
847 | /* Combine status and statistics blocks into one allocation. */ |
848 | status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block)); | |
f86e82fb | 849 | if (bp->flags & BNX2_FLAG_MSIX_CAP) |
b4b36042 MC |
850 | status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC * |
851 | BNX2_SBLK_MSIX_ALIGN_SIZE); | |
0f31f994 MC |
852 | bp->status_stats_size = status_blk_size + |
853 | sizeof(struct statistics_block); | |
854 | ||
36227e88 SG |
855 | status_blk = dma_alloc_coherent(&bp->pdev->dev, bp->status_stats_size, |
856 | &bp->status_blk_mapping, GFP_KERNEL); | |
43e80b89 | 857 | if (status_blk == NULL) |
b6016b76 MC |
858 | goto alloc_mem_err; |
859 | ||
43e80b89 | 860 | memset(status_blk, 0, bp->status_stats_size); |
b6016b76 | 861 | |
43e80b89 MC |
862 | bnapi = &bp->bnx2_napi[0]; |
863 | bnapi->status_blk.msi = status_blk; | |
864 | bnapi->hw_tx_cons_ptr = | |
865 | &bnapi->status_blk.msi->status_tx_quick_consumer_index0; | |
866 | bnapi->hw_rx_cons_ptr = | |
867 | &bnapi->status_blk.msi->status_rx_quick_consumer_index0; | |
f86e82fb | 868 | if (bp->flags & BNX2_FLAG_MSIX_CAP) { |
379b39a2 | 869 | for (i = 1; i < bp->irq_nvecs; i++) { |
43e80b89 MC |
870 | struct status_block_msix *sblk; |
871 | ||
872 | bnapi = &bp->bnx2_napi[i]; | |
b4b36042 | 873 | |
43e80b89 MC |
874 | sblk = (void *) (status_blk + |
875 | BNX2_SBLK_MSIX_ALIGN_SIZE * i); | |
876 | bnapi->status_blk.msix = sblk; | |
877 | bnapi->hw_tx_cons_ptr = | |
878 | &sblk->status_tx_quick_consumer_index; | |
879 | bnapi->hw_rx_cons_ptr = | |
880 | &sblk->status_rx_quick_consumer_index; | |
b4b36042 MC |
881 | bnapi->int_num = i << 24; |
882 | } | |
883 | } | |
35efa7c1 | 884 | |
43e80b89 | 885 | bp->stats_blk = status_blk + status_blk_size; |
b6016b76 | 886 | |
0f31f994 | 887 | bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size; |
b6016b76 | 888 | |
59b47d8a MC |
889 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
890 | bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE; | |
891 | if (bp->ctx_pages == 0) | |
892 | bp->ctx_pages = 1; | |
893 | for (i = 0; i < bp->ctx_pages; i++) { | |
36227e88 | 894 | bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev, |
59b47d8a | 895 | BCM_PAGE_SIZE, |
36227e88 SG |
896 | &bp->ctx_blk_mapping[i], |
897 | GFP_KERNEL); | |
59b47d8a MC |
898 | if (bp->ctx_blk[i] == NULL) |
899 | goto alloc_mem_err; | |
900 | } | |
901 | } | |
35e9010b | 902 | |
bb4f98ab MC |
903 | err = bnx2_alloc_rx_mem(bp); |
904 | if (err) | |
905 | goto alloc_mem_err; | |
906 | ||
35e9010b MC |
907 | err = bnx2_alloc_tx_mem(bp); |
908 | if (err) | |
909 | goto alloc_mem_err; | |
910 | ||
b6016b76 MC |
911 | return 0; |
912 | ||
913 | alloc_mem_err: | |
914 | bnx2_free_mem(bp); | |
915 | return -ENOMEM; | |
916 | } | |
917 | ||
e3648b3d MC |
918 | static void |
919 | bnx2_report_fw_link(struct bnx2 *bp) | |
920 | { | |
921 | u32 fw_link_status = 0; | |
922 | ||
583c28e5 | 923 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) |
0d8a6571 MC |
924 | return; |
925 | ||
e3648b3d MC |
926 | if (bp->link_up) { |
927 | u32 bmsr; | |
928 | ||
929 | switch (bp->line_speed) { | |
930 | case SPEED_10: | |
931 | if (bp->duplex == DUPLEX_HALF) | |
932 | fw_link_status = BNX2_LINK_STATUS_10HALF; | |
933 | else | |
934 | fw_link_status = BNX2_LINK_STATUS_10FULL; | |
935 | break; | |
936 | case SPEED_100: | |
937 | if (bp->duplex == DUPLEX_HALF) | |
938 | fw_link_status = BNX2_LINK_STATUS_100HALF; | |
939 | else | |
940 | fw_link_status = BNX2_LINK_STATUS_100FULL; | |
941 | break; | |
942 | case SPEED_1000: | |
943 | if (bp->duplex == DUPLEX_HALF) | |
944 | fw_link_status = BNX2_LINK_STATUS_1000HALF; | |
945 | else | |
946 | fw_link_status = BNX2_LINK_STATUS_1000FULL; | |
947 | break; | |
948 | case SPEED_2500: | |
949 | if (bp->duplex == DUPLEX_HALF) | |
950 | fw_link_status = BNX2_LINK_STATUS_2500HALF; | |
951 | else | |
952 | fw_link_status = BNX2_LINK_STATUS_2500FULL; | |
953 | break; | |
954 | } | |
955 | ||
956 | fw_link_status |= BNX2_LINK_STATUS_LINK_UP; | |
957 | ||
958 | if (bp->autoneg) { | |
959 | fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED; | |
960 | ||
ca58c3af MC |
961 | bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); |
962 | bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); | |
e3648b3d MC |
963 | |
964 | if (!(bmsr & BMSR_ANEGCOMPLETE) || | |
583c28e5 | 965 | bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) |
e3648b3d MC |
966 | fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET; |
967 | else | |
968 | fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE; | |
969 | } | |
970 | } | |
971 | else | |
972 | fw_link_status = BNX2_LINK_STATUS_LINK_DOWN; | |
973 | ||
2726d6e1 | 974 | bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status); |
e3648b3d MC |
975 | } |
976 | ||
9b1084b8 MC |
977 | static char * |
978 | bnx2_xceiver_str(struct bnx2 *bp) | |
979 | { | |
807540ba | 980 | return (bp->phy_port == PORT_FIBRE) ? "SerDes" : |
583c28e5 | 981 | ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" : |
807540ba | 982 | "Copper"); |
9b1084b8 MC |
983 | } |
984 | ||
b6016b76 MC |
985 | static void |
986 | bnx2_report_link(struct bnx2 *bp) | |
987 | { | |
988 | if (bp->link_up) { | |
989 | netif_carrier_on(bp->dev); | |
3a9c6a49 JP |
990 | netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex", |
991 | bnx2_xceiver_str(bp), | |
992 | bp->line_speed, | |
993 | bp->duplex == DUPLEX_FULL ? "full" : "half"); | |
b6016b76 MC |
994 | |
995 | if (bp->flow_ctrl) { | |
996 | if (bp->flow_ctrl & FLOW_CTRL_RX) { | |
3a9c6a49 | 997 | pr_cont(", receive "); |
b6016b76 | 998 | if (bp->flow_ctrl & FLOW_CTRL_TX) |
3a9c6a49 | 999 | pr_cont("& transmit "); |
b6016b76 MC |
1000 | } |
1001 | else { | |
3a9c6a49 | 1002 | pr_cont(", transmit "); |
b6016b76 | 1003 | } |
3a9c6a49 | 1004 | pr_cont("flow control ON"); |
b6016b76 | 1005 | } |
3a9c6a49 JP |
1006 | pr_cont("\n"); |
1007 | } else { | |
b6016b76 | 1008 | netif_carrier_off(bp->dev); |
3a9c6a49 JP |
1009 | netdev_err(bp->dev, "NIC %s Link is Down\n", |
1010 | bnx2_xceiver_str(bp)); | |
b6016b76 | 1011 | } |
e3648b3d MC |
1012 | |
1013 | bnx2_report_fw_link(bp); | |
b6016b76 MC |
1014 | } |
1015 | ||
1016 | static void | |
1017 | bnx2_resolve_flow_ctrl(struct bnx2 *bp) | |
1018 | { | |
1019 | u32 local_adv, remote_adv; | |
1020 | ||
1021 | bp->flow_ctrl = 0; | |
6aa20a22 | 1022 | if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) != |
b6016b76 MC |
1023 | (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) { |
1024 | ||
1025 | if (bp->duplex == DUPLEX_FULL) { | |
1026 | bp->flow_ctrl = bp->req_flow_ctrl; | |
1027 | } | |
1028 | return; | |
1029 | } | |
1030 | ||
1031 | if (bp->duplex != DUPLEX_FULL) { | |
1032 | return; | |
1033 | } | |
1034 | ||
583c28e5 | 1035 | if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && |
5b0c76ad MC |
1036 | (CHIP_NUM(bp) == CHIP_NUM_5708)) { |
1037 | u32 val; | |
1038 | ||
1039 | bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val); | |
1040 | if (val & BCM5708S_1000X_STAT1_TX_PAUSE) | |
1041 | bp->flow_ctrl |= FLOW_CTRL_TX; | |
1042 | if (val & BCM5708S_1000X_STAT1_RX_PAUSE) | |
1043 | bp->flow_ctrl |= FLOW_CTRL_RX; | |
1044 | return; | |
1045 | } | |
1046 | ||
ca58c3af MC |
1047 | bnx2_read_phy(bp, bp->mii_adv, &local_adv); |
1048 | bnx2_read_phy(bp, bp->mii_lpa, &remote_adv); | |
b6016b76 | 1049 | |
583c28e5 | 1050 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
b6016b76 MC |
1051 | u32 new_local_adv = 0; |
1052 | u32 new_remote_adv = 0; | |
1053 | ||
1054 | if (local_adv & ADVERTISE_1000XPAUSE) | |
1055 | new_local_adv |= ADVERTISE_PAUSE_CAP; | |
1056 | if (local_adv & ADVERTISE_1000XPSE_ASYM) | |
1057 | new_local_adv |= ADVERTISE_PAUSE_ASYM; | |
1058 | if (remote_adv & ADVERTISE_1000XPAUSE) | |
1059 | new_remote_adv |= ADVERTISE_PAUSE_CAP; | |
1060 | if (remote_adv & ADVERTISE_1000XPSE_ASYM) | |
1061 | new_remote_adv |= ADVERTISE_PAUSE_ASYM; | |
1062 | ||
1063 | local_adv = new_local_adv; | |
1064 | remote_adv = new_remote_adv; | |
1065 | } | |
1066 | ||
1067 | /* See Table 28B-3 of 802.3ab-1999 spec. */ | |
1068 | if (local_adv & ADVERTISE_PAUSE_CAP) { | |
1069 | if(local_adv & ADVERTISE_PAUSE_ASYM) { | |
1070 | if (remote_adv & ADVERTISE_PAUSE_CAP) { | |
1071 | bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX; | |
1072 | } | |
1073 | else if (remote_adv & ADVERTISE_PAUSE_ASYM) { | |
1074 | bp->flow_ctrl = FLOW_CTRL_RX; | |
1075 | } | |
1076 | } | |
1077 | else { | |
1078 | if (remote_adv & ADVERTISE_PAUSE_CAP) { | |
1079 | bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX; | |
1080 | } | |
1081 | } | |
1082 | } | |
1083 | else if (local_adv & ADVERTISE_PAUSE_ASYM) { | |
1084 | if ((remote_adv & ADVERTISE_PAUSE_CAP) && | |
1085 | (remote_adv & ADVERTISE_PAUSE_ASYM)) { | |
1086 | ||
1087 | bp->flow_ctrl = FLOW_CTRL_TX; | |
1088 | } | |
1089 | } | |
1090 | } | |
1091 | ||
27a005b8 MC |
1092 | static int |
1093 | bnx2_5709s_linkup(struct bnx2 *bp) | |
1094 | { | |
1095 | u32 val, speed; | |
1096 | ||
1097 | bp->link_up = 1; | |
1098 | ||
1099 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS); | |
1100 | bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val); | |
1101 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0); | |
1102 | ||
1103 | if ((bp->autoneg & AUTONEG_SPEED) == 0) { | |
1104 | bp->line_speed = bp->req_line_speed; | |
1105 | bp->duplex = bp->req_duplex; | |
1106 | return 0; | |
1107 | } | |
1108 | speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK; | |
1109 | switch (speed) { | |
1110 | case MII_BNX2_GP_TOP_AN_SPEED_10: | |
1111 | bp->line_speed = SPEED_10; | |
1112 | break; | |
1113 | case MII_BNX2_GP_TOP_AN_SPEED_100: | |
1114 | bp->line_speed = SPEED_100; | |
1115 | break; | |
1116 | case MII_BNX2_GP_TOP_AN_SPEED_1G: | |
1117 | case MII_BNX2_GP_TOP_AN_SPEED_1GKV: | |
1118 | bp->line_speed = SPEED_1000; | |
1119 | break; | |
1120 | case MII_BNX2_GP_TOP_AN_SPEED_2_5G: | |
1121 | bp->line_speed = SPEED_2500; | |
1122 | break; | |
1123 | } | |
1124 | if (val & MII_BNX2_GP_TOP_AN_FD) | |
1125 | bp->duplex = DUPLEX_FULL; | |
1126 | else | |
1127 | bp->duplex = DUPLEX_HALF; | |
1128 | return 0; | |
1129 | } | |
1130 | ||
b6016b76 | 1131 | static int |
5b0c76ad MC |
1132 | bnx2_5708s_linkup(struct bnx2 *bp) |
1133 | { | |
1134 | u32 val; | |
1135 | ||
1136 | bp->link_up = 1; | |
1137 | bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val); | |
1138 | switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) { | |
1139 | case BCM5708S_1000X_STAT1_SPEED_10: | |
1140 | bp->line_speed = SPEED_10; | |
1141 | break; | |
1142 | case BCM5708S_1000X_STAT1_SPEED_100: | |
1143 | bp->line_speed = SPEED_100; | |
1144 | break; | |
1145 | case BCM5708S_1000X_STAT1_SPEED_1G: | |
1146 | bp->line_speed = SPEED_1000; | |
1147 | break; | |
1148 | case BCM5708S_1000X_STAT1_SPEED_2G5: | |
1149 | bp->line_speed = SPEED_2500; | |
1150 | break; | |
1151 | } | |
1152 | if (val & BCM5708S_1000X_STAT1_FD) | |
1153 | bp->duplex = DUPLEX_FULL; | |
1154 | else | |
1155 | bp->duplex = DUPLEX_HALF; | |
1156 | ||
1157 | return 0; | |
1158 | } | |
1159 | ||
1160 | static int | |
1161 | bnx2_5706s_linkup(struct bnx2 *bp) | |
b6016b76 MC |
1162 | { |
1163 | u32 bmcr, local_adv, remote_adv, common; | |
1164 | ||
1165 | bp->link_up = 1; | |
1166 | bp->line_speed = SPEED_1000; | |
1167 | ||
ca58c3af | 1168 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
b6016b76 MC |
1169 | if (bmcr & BMCR_FULLDPLX) { |
1170 | bp->duplex = DUPLEX_FULL; | |
1171 | } | |
1172 | else { | |
1173 | bp->duplex = DUPLEX_HALF; | |
1174 | } | |
1175 | ||
1176 | if (!(bmcr & BMCR_ANENABLE)) { | |
1177 | return 0; | |
1178 | } | |
1179 | ||
ca58c3af MC |
1180 | bnx2_read_phy(bp, bp->mii_adv, &local_adv); |
1181 | bnx2_read_phy(bp, bp->mii_lpa, &remote_adv); | |
b6016b76 MC |
1182 | |
1183 | common = local_adv & remote_adv; | |
1184 | if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) { | |
1185 | ||
1186 | if (common & ADVERTISE_1000XFULL) { | |
1187 | bp->duplex = DUPLEX_FULL; | |
1188 | } | |
1189 | else { | |
1190 | bp->duplex = DUPLEX_HALF; | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | return 0; | |
1195 | } | |
1196 | ||
1197 | static int | |
1198 | bnx2_copper_linkup(struct bnx2 *bp) | |
1199 | { | |
1200 | u32 bmcr; | |
1201 | ||
ca58c3af | 1202 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
b6016b76 MC |
1203 | 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 { | |
ca58c3af MC |
1219 | bnx2_read_phy(bp, bp->mii_adv, &local_adv); |
1220 | bnx2_read_phy(bp, bp->mii_lpa, &remote_adv); | |
b6016b76 MC |
1221 | |
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 | ||
1260 | return 0; | |
1261 | } | |
1262 | ||
83e3fc89 | 1263 | static void |
bb4f98ab | 1264 | bnx2_init_rx_context(struct bnx2 *bp, u32 cid) |
83e3fc89 | 1265 | { |
bb4f98ab | 1266 | u32 val, rx_cid_addr = GET_CID_ADDR(cid); |
83e3fc89 MC |
1267 | |
1268 | val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE; | |
1269 | val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2; | |
1270 | val |= 0x02 << 8; | |
1271 | ||
22fa159d MC |
1272 | if (bp->flow_ctrl & FLOW_CTRL_TX) |
1273 | val |= BNX2_L2CTX_FLOW_CTRL_ENABLE; | |
83e3fc89 | 1274 | |
83e3fc89 MC |
1275 | bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val); |
1276 | } | |
1277 | ||
bb4f98ab MC |
1278 | static void |
1279 | bnx2_init_all_rx_contexts(struct bnx2 *bp) | |
1280 | { | |
1281 | int i; | |
1282 | u32 cid; | |
1283 | ||
1284 | for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) { | |
1285 | if (i == 1) | |
1286 | cid = RX_RSS_CID; | |
1287 | bnx2_init_rx_context(bp, cid); | |
1288 | } | |
1289 | } | |
1290 | ||
344478db | 1291 | static void |
b6016b76 MC |
1292 | bnx2_set_mac_link(struct bnx2 *bp) |
1293 | { | |
1294 | u32 val; | |
1295 | ||
1296 | REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620); | |
1297 | if (bp->link_up && (bp->line_speed == SPEED_1000) && | |
1298 | (bp->duplex == DUPLEX_HALF)) { | |
1299 | REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff); | |
1300 | } | |
1301 | ||
1302 | /* Configure the EMAC mode register. */ | |
1303 | val = REG_RD(bp, BNX2_EMAC_MODE); | |
1304 | ||
1305 | val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | | |
5b0c76ad | 1306 | BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | |
59b47d8a | 1307 | BNX2_EMAC_MODE_25G_MODE); |
b6016b76 MC |
1308 | |
1309 | if (bp->link_up) { | |
5b0c76ad MC |
1310 | switch (bp->line_speed) { |
1311 | case SPEED_10: | |
59b47d8a MC |
1312 | if (CHIP_NUM(bp) != CHIP_NUM_5706) { |
1313 | val |= BNX2_EMAC_MODE_PORT_MII_10M; | |
5b0c76ad MC |
1314 | break; |
1315 | } | |
1316 | /* fall through */ | |
1317 | case SPEED_100: | |
1318 | val |= BNX2_EMAC_MODE_PORT_MII; | |
1319 | break; | |
1320 | case SPEED_2500: | |
59b47d8a | 1321 | val |= BNX2_EMAC_MODE_25G_MODE; |
5b0c76ad MC |
1322 | /* fall through */ |
1323 | case SPEED_1000: | |
1324 | val |= BNX2_EMAC_MODE_PORT_GMII; | |
1325 | break; | |
1326 | } | |
b6016b76 MC |
1327 | } |
1328 | else { | |
1329 | val |= BNX2_EMAC_MODE_PORT_GMII; | |
1330 | } | |
1331 | ||
1332 | /* Set the MAC to operate in the appropriate duplex mode. */ | |
1333 | if (bp->duplex == DUPLEX_HALF) | |
1334 | val |= BNX2_EMAC_MODE_HALF_DUPLEX; | |
1335 | REG_WR(bp, BNX2_EMAC_MODE, val); | |
1336 | ||
1337 | /* Enable/disable rx PAUSE. */ | |
1338 | bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN; | |
1339 | ||
1340 | if (bp->flow_ctrl & FLOW_CTRL_RX) | |
1341 | bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN; | |
1342 | REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode); | |
1343 | ||
1344 | /* Enable/disable tx PAUSE. */ | |
1345 | val = REG_RD(bp, BNX2_EMAC_TX_MODE); | |
1346 | val &= ~BNX2_EMAC_TX_MODE_FLOW_EN; | |
1347 | ||
1348 | if (bp->flow_ctrl & FLOW_CTRL_TX) | |
1349 | val |= BNX2_EMAC_TX_MODE_FLOW_EN; | |
1350 | REG_WR(bp, BNX2_EMAC_TX_MODE, val); | |
1351 | ||
1352 | /* Acknowledge the interrupt. */ | |
1353 | REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE); | |
1354 | ||
22fa159d | 1355 | bnx2_init_all_rx_contexts(bp); |
b6016b76 MC |
1356 | } |
1357 | ||
27a005b8 MC |
1358 | static void |
1359 | bnx2_enable_bmsr1(struct bnx2 *bp) | |
1360 | { | |
583c28e5 | 1361 | if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && |
27a005b8 MC |
1362 | (CHIP_NUM(bp) == CHIP_NUM_5709)) |
1363 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, | |
1364 | MII_BNX2_BLK_ADDR_GP_STATUS); | |
1365 | } | |
1366 | ||
1367 | static void | |
1368 | bnx2_disable_bmsr1(struct bnx2 *bp) | |
1369 | { | |
583c28e5 | 1370 | if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && |
27a005b8 MC |
1371 | (CHIP_NUM(bp) == CHIP_NUM_5709)) |
1372 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, | |
1373 | MII_BNX2_BLK_ADDR_COMBO_IEEEB0); | |
1374 | } | |
1375 | ||
605a9e20 MC |
1376 | static int |
1377 | bnx2_test_and_enable_2g5(struct bnx2 *bp) | |
1378 | { | |
1379 | u32 up1; | |
1380 | int ret = 1; | |
1381 | ||
583c28e5 | 1382 | if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) |
605a9e20 MC |
1383 | return 0; |
1384 | ||
1385 | if (bp->autoneg & AUTONEG_SPEED) | |
1386 | bp->advertising |= ADVERTISED_2500baseX_Full; | |
1387 | ||
27a005b8 MC |
1388 | if (CHIP_NUM(bp) == CHIP_NUM_5709) |
1389 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G); | |
1390 | ||
605a9e20 MC |
1391 | bnx2_read_phy(bp, bp->mii_up1, &up1); |
1392 | if (!(up1 & BCM5708S_UP1_2G5)) { | |
1393 | up1 |= BCM5708S_UP1_2G5; | |
1394 | bnx2_write_phy(bp, bp->mii_up1, up1); | |
1395 | ret = 0; | |
1396 | } | |
1397 | ||
27a005b8 MC |
1398 | if (CHIP_NUM(bp) == CHIP_NUM_5709) |
1399 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, | |
1400 | MII_BNX2_BLK_ADDR_COMBO_IEEEB0); | |
1401 | ||
605a9e20 MC |
1402 | return ret; |
1403 | } | |
1404 | ||
1405 | static int | |
1406 | bnx2_test_and_disable_2g5(struct bnx2 *bp) | |
1407 | { | |
1408 | u32 up1; | |
1409 | int ret = 0; | |
1410 | ||
583c28e5 | 1411 | if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) |
605a9e20 MC |
1412 | return 0; |
1413 | ||
27a005b8 MC |
1414 | if (CHIP_NUM(bp) == CHIP_NUM_5709) |
1415 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G); | |
1416 | ||
605a9e20 MC |
1417 | bnx2_read_phy(bp, bp->mii_up1, &up1); |
1418 | if (up1 & BCM5708S_UP1_2G5) { | |
1419 | up1 &= ~BCM5708S_UP1_2G5; | |
1420 | bnx2_write_phy(bp, bp->mii_up1, up1); | |
1421 | ret = 1; | |
1422 | } | |
1423 | ||
27a005b8 MC |
1424 | if (CHIP_NUM(bp) == CHIP_NUM_5709) |
1425 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, | |
1426 | MII_BNX2_BLK_ADDR_COMBO_IEEEB0); | |
1427 | ||
605a9e20 MC |
1428 | return ret; |
1429 | } | |
1430 | ||
1431 | static void | |
1432 | bnx2_enable_forced_2g5(struct bnx2 *bp) | |
1433 | { | |
cbd6890c MC |
1434 | u32 uninitialized_var(bmcr); |
1435 | int err; | |
605a9e20 | 1436 | |
583c28e5 | 1437 | if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) |
605a9e20 MC |
1438 | return; |
1439 | ||
27a005b8 MC |
1440 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
1441 | u32 val; | |
1442 | ||
1443 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, | |
1444 | MII_BNX2_BLK_ADDR_SERDES_DIG); | |
cbd6890c MC |
1445 | if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) { |
1446 | val &= ~MII_BNX2_SD_MISC1_FORCE_MSK; | |
1447 | val |= MII_BNX2_SD_MISC1_FORCE | | |
1448 | MII_BNX2_SD_MISC1_FORCE_2_5G; | |
1449 | bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val); | |
1450 | } | |
27a005b8 MC |
1451 | |
1452 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, | |
1453 | MII_BNX2_BLK_ADDR_COMBO_IEEEB0); | |
cbd6890c | 1454 | err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
27a005b8 MC |
1455 | |
1456 | } else if (CHIP_NUM(bp) == CHIP_NUM_5708) { | |
cbd6890c MC |
1457 | err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
1458 | if (!err) | |
1459 | bmcr |= BCM5708S_BMCR_FORCE_2500; | |
c7079857 ED |
1460 | } else { |
1461 | return; | |
605a9e20 MC |
1462 | } |
1463 | ||
cbd6890c MC |
1464 | if (err) |
1465 | return; | |
1466 | ||
605a9e20 MC |
1467 | if (bp->autoneg & AUTONEG_SPEED) { |
1468 | bmcr &= ~BMCR_ANENABLE; | |
1469 | if (bp->req_duplex == DUPLEX_FULL) | |
1470 | bmcr |= BMCR_FULLDPLX; | |
1471 | } | |
1472 | bnx2_write_phy(bp, bp->mii_bmcr, bmcr); | |
1473 | } | |
1474 | ||
1475 | static void | |
1476 | bnx2_disable_forced_2g5(struct bnx2 *bp) | |
1477 | { | |
cbd6890c MC |
1478 | u32 uninitialized_var(bmcr); |
1479 | int err; | |
605a9e20 | 1480 | |
583c28e5 | 1481 | if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) |
605a9e20 MC |
1482 | return; |
1483 | ||
27a005b8 MC |
1484 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
1485 | u32 val; | |
1486 | ||
1487 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, | |
1488 | MII_BNX2_BLK_ADDR_SERDES_DIG); | |
cbd6890c MC |
1489 | if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) { |
1490 | val &= ~MII_BNX2_SD_MISC1_FORCE; | |
1491 | bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val); | |
1492 | } | |
27a005b8 MC |
1493 | |
1494 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, | |
1495 | MII_BNX2_BLK_ADDR_COMBO_IEEEB0); | |
cbd6890c | 1496 | err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
27a005b8 MC |
1497 | |
1498 | } else if (CHIP_NUM(bp) == CHIP_NUM_5708) { | |
cbd6890c MC |
1499 | err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
1500 | if (!err) | |
1501 | bmcr &= ~BCM5708S_BMCR_FORCE_2500; | |
c7079857 ED |
1502 | } else { |
1503 | return; | |
605a9e20 MC |
1504 | } |
1505 | ||
cbd6890c MC |
1506 | if (err) |
1507 | return; | |
1508 | ||
605a9e20 MC |
1509 | if (bp->autoneg & AUTONEG_SPEED) |
1510 | bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART; | |
1511 | bnx2_write_phy(bp, bp->mii_bmcr, bmcr); | |
1512 | } | |
1513 | ||
b2fadeae MC |
1514 | static void |
1515 | bnx2_5706s_force_link_dn(struct bnx2 *bp, int start) | |
1516 | { | |
1517 | u32 val; | |
1518 | ||
1519 | bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL); | |
1520 | bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val); | |
1521 | if (start) | |
1522 | bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f); | |
1523 | else | |
1524 | bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0); | |
1525 | } | |
1526 | ||
b6016b76 MC |
1527 | static int |
1528 | bnx2_set_link(struct bnx2 *bp) | |
1529 | { | |
1530 | u32 bmsr; | |
1531 | u8 link_up; | |
1532 | ||
80be4434 | 1533 | if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) { |
b6016b76 MC |
1534 | bp->link_up = 1; |
1535 | return 0; | |
1536 | } | |
1537 | ||
583c28e5 | 1538 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) |
0d8a6571 MC |
1539 | return 0; |
1540 | ||
b6016b76 MC |
1541 | link_up = bp->link_up; |
1542 | ||
27a005b8 MC |
1543 | bnx2_enable_bmsr1(bp); |
1544 | bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); | |
1545 | bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); | |
1546 | bnx2_disable_bmsr1(bp); | |
b6016b76 | 1547 | |
583c28e5 | 1548 | if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && |
b6016b76 | 1549 | (CHIP_NUM(bp) == CHIP_NUM_5706)) { |
a2724e25 | 1550 | u32 val, an_dbg; |
b6016b76 | 1551 | |
583c28e5 | 1552 | if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) { |
b2fadeae | 1553 | bnx2_5706s_force_link_dn(bp, 0); |
583c28e5 | 1554 | bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN; |
b2fadeae | 1555 | } |
b6016b76 | 1556 | val = REG_RD(bp, BNX2_EMAC_STATUS); |
a2724e25 MC |
1557 | |
1558 | bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); | |
1559 | bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); | |
1560 | bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); | |
1561 | ||
1562 | if ((val & BNX2_EMAC_STATUS_LINK) && | |
1563 | !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC)) | |
b6016b76 MC |
1564 | bmsr |= BMSR_LSTATUS; |
1565 | else | |
1566 | bmsr &= ~BMSR_LSTATUS; | |
1567 | } | |
1568 | ||
1569 | if (bmsr & BMSR_LSTATUS) { | |
1570 | bp->link_up = 1; | |
1571 | ||
583c28e5 | 1572 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
5b0c76ad MC |
1573 | if (CHIP_NUM(bp) == CHIP_NUM_5706) |
1574 | bnx2_5706s_linkup(bp); | |
1575 | else if (CHIP_NUM(bp) == CHIP_NUM_5708) | |
1576 | bnx2_5708s_linkup(bp); | |
27a005b8 MC |
1577 | else if (CHIP_NUM(bp) == CHIP_NUM_5709) |
1578 | bnx2_5709s_linkup(bp); | |
b6016b76 MC |
1579 | } |
1580 | else { | |
1581 | bnx2_copper_linkup(bp); | |
1582 | } | |
1583 | bnx2_resolve_flow_ctrl(bp); | |
1584 | } | |
1585 | else { | |
583c28e5 | 1586 | if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && |
605a9e20 MC |
1587 | (bp->autoneg & AUTONEG_SPEED)) |
1588 | bnx2_disable_forced_2g5(bp); | |
b6016b76 | 1589 | |
583c28e5 | 1590 | if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) { |
b2fadeae MC |
1591 | u32 bmcr; |
1592 | ||
1593 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); | |
1594 | bmcr |= BMCR_ANENABLE; | |
1595 | bnx2_write_phy(bp, bp->mii_bmcr, bmcr); | |
1596 | ||
583c28e5 | 1597 | bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT; |
b2fadeae | 1598 | } |
b6016b76 MC |
1599 | bp->link_up = 0; |
1600 | } | |
1601 | ||
1602 | if (bp->link_up != link_up) { | |
1603 | bnx2_report_link(bp); | |
1604 | } | |
1605 | ||
1606 | bnx2_set_mac_link(bp); | |
1607 | ||
1608 | return 0; | |
1609 | } | |
1610 | ||
1611 | static int | |
1612 | bnx2_reset_phy(struct bnx2 *bp) | |
1613 | { | |
1614 | int i; | |
1615 | u32 reg; | |
1616 | ||
ca58c3af | 1617 | bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET); |
b6016b76 MC |
1618 | |
1619 | #define PHY_RESET_MAX_WAIT 100 | |
1620 | for (i = 0; i < PHY_RESET_MAX_WAIT; i++) { | |
1621 | udelay(10); | |
1622 | ||
ca58c3af | 1623 | bnx2_read_phy(bp, bp->mii_bmcr, ®); |
b6016b76 MC |
1624 | if (!(reg & BMCR_RESET)) { |
1625 | udelay(20); | |
1626 | break; | |
1627 | } | |
1628 | } | |
1629 | if (i == PHY_RESET_MAX_WAIT) { | |
1630 | return -EBUSY; | |
1631 | } | |
1632 | return 0; | |
1633 | } | |
1634 | ||
1635 | static u32 | |
1636 | bnx2_phy_get_pause_adv(struct bnx2 *bp) | |
1637 | { | |
1638 | u32 adv = 0; | |
1639 | ||
1640 | if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) == | |
1641 | (FLOW_CTRL_RX | FLOW_CTRL_TX)) { | |
1642 | ||
583c28e5 | 1643 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
b6016b76 MC |
1644 | adv = ADVERTISE_1000XPAUSE; |
1645 | } | |
1646 | else { | |
1647 | adv = ADVERTISE_PAUSE_CAP; | |
1648 | } | |
1649 | } | |
1650 | else if (bp->req_flow_ctrl & FLOW_CTRL_TX) { | |
583c28e5 | 1651 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
b6016b76 MC |
1652 | adv = ADVERTISE_1000XPSE_ASYM; |
1653 | } | |
1654 | else { | |
1655 | adv = ADVERTISE_PAUSE_ASYM; | |
1656 | } | |
1657 | } | |
1658 | else if (bp->req_flow_ctrl & FLOW_CTRL_RX) { | |
583c28e5 | 1659 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
b6016b76 MC |
1660 | adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM; |
1661 | } | |
1662 | else { | |
1663 | adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
1664 | } | |
1665 | } | |
1666 | return adv; | |
1667 | } | |
1668 | ||
a2f13890 | 1669 | static int bnx2_fw_sync(struct bnx2 *, u32, int, int); |
0d8a6571 | 1670 | |
b6016b76 | 1671 | static int |
0d8a6571 | 1672 | bnx2_setup_remote_phy(struct bnx2 *bp, u8 port) |
52d07b1f HH |
1673 | __releases(&bp->phy_lock) |
1674 | __acquires(&bp->phy_lock) | |
0d8a6571 MC |
1675 | { |
1676 | u32 speed_arg = 0, pause_adv; | |
1677 | ||
1678 | pause_adv = bnx2_phy_get_pause_adv(bp); | |
1679 | ||
1680 | if (bp->autoneg & AUTONEG_SPEED) { | |
1681 | speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG; | |
1682 | if (bp->advertising & ADVERTISED_10baseT_Half) | |
1683 | speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF; | |
1684 | if (bp->advertising & ADVERTISED_10baseT_Full) | |
1685 | speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL; | |
1686 | if (bp->advertising & ADVERTISED_100baseT_Half) | |
1687 | speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF; | |
1688 | if (bp->advertising & ADVERTISED_100baseT_Full) | |
1689 | speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL; | |
1690 | if (bp->advertising & ADVERTISED_1000baseT_Full) | |
1691 | speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL; | |
1692 | if (bp->advertising & ADVERTISED_2500baseX_Full) | |
1693 | speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL; | |
1694 | } else { | |
1695 | if (bp->req_line_speed == SPEED_2500) | |
1696 | speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL; | |
1697 | else if (bp->req_line_speed == SPEED_1000) | |
1698 | speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL; | |
1699 | else if (bp->req_line_speed == SPEED_100) { | |
1700 | if (bp->req_duplex == DUPLEX_FULL) | |
1701 | speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL; | |
1702 | else | |
1703 | speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF; | |
1704 | } else if (bp->req_line_speed == SPEED_10) { | |
1705 | if (bp->req_duplex == DUPLEX_FULL) | |
1706 | speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL; | |
1707 | else | |
1708 | speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF; | |
1709 | } | |
1710 | } | |
1711 | ||
1712 | if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP)) | |
1713 | speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE; | |
c26736ec | 1714 | if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM)) |
0d8a6571 MC |
1715 | speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE; |
1716 | ||
1717 | if (port == PORT_TP) | |
1718 | speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE | | |
1719 | BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED; | |
1720 | ||
2726d6e1 | 1721 | bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg); |
0d8a6571 MC |
1722 | |
1723 | spin_unlock_bh(&bp->phy_lock); | |
a2f13890 | 1724 | bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0); |
0d8a6571 MC |
1725 | spin_lock_bh(&bp->phy_lock); |
1726 | ||
1727 | return 0; | |
1728 | } | |
1729 | ||
1730 | static int | |
1731 | bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port) | |
52d07b1f HH |
1732 | __releases(&bp->phy_lock) |
1733 | __acquires(&bp->phy_lock) | |
b6016b76 | 1734 | { |
605a9e20 | 1735 | u32 adv, bmcr; |
b6016b76 MC |
1736 | u32 new_adv = 0; |
1737 | ||
583c28e5 | 1738 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) |
807540ba | 1739 | return bnx2_setup_remote_phy(bp, port); |
0d8a6571 | 1740 | |
b6016b76 MC |
1741 | if (!(bp->autoneg & AUTONEG_SPEED)) { |
1742 | u32 new_bmcr; | |
5b0c76ad MC |
1743 | int force_link_down = 0; |
1744 | ||
605a9e20 MC |
1745 | if (bp->req_line_speed == SPEED_2500) { |
1746 | if (!bnx2_test_and_enable_2g5(bp)) | |
1747 | force_link_down = 1; | |
1748 | } else if (bp->req_line_speed == SPEED_1000) { | |
1749 | if (bnx2_test_and_disable_2g5(bp)) | |
1750 | force_link_down = 1; | |
1751 | } | |
ca58c3af | 1752 | bnx2_read_phy(bp, bp->mii_adv, &adv); |
80be4434 MC |
1753 | adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF); |
1754 | ||
ca58c3af | 1755 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
605a9e20 | 1756 | new_bmcr = bmcr & ~BMCR_ANENABLE; |
80be4434 | 1757 | new_bmcr |= BMCR_SPEED1000; |
605a9e20 | 1758 | |
27a005b8 MC |
1759 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
1760 | if (bp->req_line_speed == SPEED_2500) | |
1761 | bnx2_enable_forced_2g5(bp); | |
1762 | else if (bp->req_line_speed == SPEED_1000) { | |
1763 | bnx2_disable_forced_2g5(bp); | |
1764 | new_bmcr &= ~0x2000; | |
1765 | } | |
1766 | ||
1767 | } else if (CHIP_NUM(bp) == CHIP_NUM_5708) { | |
605a9e20 MC |
1768 | if (bp->req_line_speed == SPEED_2500) |
1769 | new_bmcr |= BCM5708S_BMCR_FORCE_2500; | |
1770 | else | |
1771 | new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500; | |
5b0c76ad MC |
1772 | } |
1773 | ||
b6016b76 | 1774 | if (bp->req_duplex == DUPLEX_FULL) { |
5b0c76ad | 1775 | adv |= ADVERTISE_1000XFULL; |
b6016b76 MC |
1776 | new_bmcr |= BMCR_FULLDPLX; |
1777 | } | |
1778 | else { | |
5b0c76ad | 1779 | adv |= ADVERTISE_1000XHALF; |
b6016b76 MC |
1780 | new_bmcr &= ~BMCR_FULLDPLX; |
1781 | } | |
5b0c76ad | 1782 | if ((new_bmcr != bmcr) || (force_link_down)) { |
b6016b76 MC |
1783 | /* Force a link down visible on the other side */ |
1784 | if (bp->link_up) { | |
ca58c3af | 1785 | bnx2_write_phy(bp, bp->mii_adv, adv & |
5b0c76ad MC |
1786 | ~(ADVERTISE_1000XFULL | |
1787 | ADVERTISE_1000XHALF)); | |
ca58c3af | 1788 | bnx2_write_phy(bp, bp->mii_bmcr, bmcr | |
b6016b76 MC |
1789 | BMCR_ANRESTART | BMCR_ANENABLE); |
1790 | ||
1791 | bp->link_up = 0; | |
1792 | netif_carrier_off(bp->dev); | |
ca58c3af | 1793 | bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr); |
80be4434 | 1794 | bnx2_report_link(bp); |
b6016b76 | 1795 | } |
ca58c3af MC |
1796 | bnx2_write_phy(bp, bp->mii_adv, adv); |
1797 | bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr); | |
605a9e20 MC |
1798 | } else { |
1799 | bnx2_resolve_flow_ctrl(bp); | |
1800 | bnx2_set_mac_link(bp); | |
b6016b76 MC |
1801 | } |
1802 | return 0; | |
1803 | } | |
1804 | ||
605a9e20 | 1805 | bnx2_test_and_enable_2g5(bp); |
5b0c76ad | 1806 | |
b6016b76 MC |
1807 | if (bp->advertising & ADVERTISED_1000baseT_Full) |
1808 | new_adv |= ADVERTISE_1000XFULL; | |
1809 | ||
1810 | new_adv |= bnx2_phy_get_pause_adv(bp); | |
1811 | ||
ca58c3af MC |
1812 | bnx2_read_phy(bp, bp->mii_adv, &adv); |
1813 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); | |
b6016b76 MC |
1814 | |
1815 | bp->serdes_an_pending = 0; | |
1816 | if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) { | |
1817 | /* Force a link down visible on the other side */ | |
1818 | if (bp->link_up) { | |
ca58c3af | 1819 | bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK); |
80be4434 MC |
1820 | spin_unlock_bh(&bp->phy_lock); |
1821 | msleep(20); | |
1822 | spin_lock_bh(&bp->phy_lock); | |
b6016b76 MC |
1823 | } |
1824 | ||
ca58c3af MC |
1825 | bnx2_write_phy(bp, bp->mii_adv, new_adv); |
1826 | bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | | |
b6016b76 | 1827 | BMCR_ANENABLE); |
f8dd064e MC |
1828 | /* Speed up link-up time when the link partner |
1829 | * does not autonegotiate which is very common | |
1830 | * in blade servers. Some blade servers use | |
1831 | * IPMI for kerboard input and it's important | |
1832 | * to minimize link disruptions. Autoneg. involves | |
1833 | * exchanging base pages plus 3 next pages and | |
1834 | * normally completes in about 120 msec. | |
1835 | */ | |
40105c0b | 1836 | bp->current_interval = BNX2_SERDES_AN_TIMEOUT; |
f8dd064e MC |
1837 | bp->serdes_an_pending = 1; |
1838 | mod_timer(&bp->timer, jiffies + bp->current_interval); | |
605a9e20 MC |
1839 | } else { |
1840 | bnx2_resolve_flow_ctrl(bp); | |
1841 | bnx2_set_mac_link(bp); | |
b6016b76 MC |
1842 | } |
1843 | ||
1844 | return 0; | |
1845 | } | |
1846 | ||
1847 | #define ETHTOOL_ALL_FIBRE_SPEED \ | |
583c28e5 | 1848 | (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \ |
deaf391b MC |
1849 | (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\ |
1850 | (ADVERTISED_1000baseT_Full) | |
b6016b76 MC |
1851 | |
1852 | #define ETHTOOL_ALL_COPPER_SPEED \ | |
1853 | (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ | |
1854 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ | |
1855 | ADVERTISED_1000baseT_Full) | |
1856 | ||
1857 | #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \ | |
1858 | ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA) | |
6aa20a22 | 1859 | |
b6016b76 MC |
1860 | #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL) |
1861 | ||
0d8a6571 MC |
1862 | static void |
1863 | bnx2_set_default_remote_link(struct bnx2 *bp) | |
1864 | { | |
1865 | u32 link; | |
1866 | ||
1867 | if (bp->phy_port == PORT_TP) | |
2726d6e1 | 1868 | link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK); |
0d8a6571 | 1869 | else |
2726d6e1 | 1870 | link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK); |
0d8a6571 MC |
1871 | |
1872 | if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) { | |
1873 | bp->req_line_speed = 0; | |
1874 | bp->autoneg |= AUTONEG_SPEED; | |
1875 | bp->advertising = ADVERTISED_Autoneg; | |
1876 | if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF) | |
1877 | bp->advertising |= ADVERTISED_10baseT_Half; | |
1878 | if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL) | |
1879 | bp->advertising |= ADVERTISED_10baseT_Full; | |
1880 | if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF) | |
1881 | bp->advertising |= ADVERTISED_100baseT_Half; | |
1882 | if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL) | |
1883 | bp->advertising |= ADVERTISED_100baseT_Full; | |
1884 | if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL) | |
1885 | bp->advertising |= ADVERTISED_1000baseT_Full; | |
1886 | if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL) | |
1887 | bp->advertising |= ADVERTISED_2500baseX_Full; | |
1888 | } else { | |
1889 | bp->autoneg = 0; | |
1890 | bp->advertising = 0; | |
1891 | bp->req_duplex = DUPLEX_FULL; | |
1892 | if (link & BNX2_NETLINK_SET_LINK_SPEED_10) { | |
1893 | bp->req_line_speed = SPEED_10; | |
1894 | if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF) | |
1895 | bp->req_duplex = DUPLEX_HALF; | |
1896 | } | |
1897 | if (link & BNX2_NETLINK_SET_LINK_SPEED_100) { | |
1898 | bp->req_line_speed = SPEED_100; | |
1899 | if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF) | |
1900 | bp->req_duplex = DUPLEX_HALF; | |
1901 | } | |
1902 | if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL) | |
1903 | bp->req_line_speed = SPEED_1000; | |
1904 | if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL) | |
1905 | bp->req_line_speed = SPEED_2500; | |
1906 | } | |
1907 | } | |
1908 | ||
deaf391b MC |
1909 | static void |
1910 | bnx2_set_default_link(struct bnx2 *bp) | |
1911 | { | |
ab59859d HH |
1912 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { |
1913 | bnx2_set_default_remote_link(bp); | |
1914 | return; | |
1915 | } | |
0d8a6571 | 1916 | |
deaf391b MC |
1917 | bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL; |
1918 | bp->req_line_speed = 0; | |
583c28e5 | 1919 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
deaf391b MC |
1920 | u32 reg; |
1921 | ||
1922 | bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg; | |
1923 | ||
2726d6e1 | 1924 | reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG); |
deaf391b MC |
1925 | reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK; |
1926 | if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) { | |
1927 | bp->autoneg = 0; | |
1928 | bp->req_line_speed = bp->line_speed = SPEED_1000; | |
1929 | bp->req_duplex = DUPLEX_FULL; | |
1930 | } | |
1931 | } else | |
1932 | bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg; | |
1933 | } | |
1934 | ||
df149d70 MC |
1935 | static void |
1936 | bnx2_send_heart_beat(struct bnx2 *bp) | |
1937 | { | |
1938 | u32 msg; | |
1939 | u32 addr; | |
1940 | ||
1941 | spin_lock(&bp->indirect_lock); | |
1942 | msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK); | |
1943 | addr = bp->shmem_base + BNX2_DRV_PULSE_MB; | |
1944 | REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr); | |
1945 | REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg); | |
1946 | spin_unlock(&bp->indirect_lock); | |
1947 | } | |
1948 | ||
0d8a6571 MC |
1949 | static void |
1950 | bnx2_remote_phy_event(struct bnx2 *bp) | |
1951 | { | |
1952 | u32 msg; | |
1953 | u8 link_up = bp->link_up; | |
1954 | u8 old_port; | |
1955 | ||
2726d6e1 | 1956 | msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS); |
0d8a6571 | 1957 | |
df149d70 MC |
1958 | if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED) |
1959 | bnx2_send_heart_beat(bp); | |
1960 | ||
1961 | msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED; | |
1962 | ||
0d8a6571 MC |
1963 | if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN) |
1964 | bp->link_up = 0; | |
1965 | else { | |
1966 | u32 speed; | |
1967 | ||
1968 | bp->link_up = 1; | |
1969 | speed = msg & BNX2_LINK_STATUS_SPEED_MASK; | |
1970 | bp->duplex = DUPLEX_FULL; | |
1971 | switch (speed) { | |
1972 | case BNX2_LINK_STATUS_10HALF: | |
1973 | bp->duplex = DUPLEX_HALF; | |
1974 | case BNX2_LINK_STATUS_10FULL: | |
1975 | bp->line_speed = SPEED_10; | |
1976 | break; | |
1977 | case BNX2_LINK_STATUS_100HALF: | |
1978 | bp->duplex = DUPLEX_HALF; | |
1979 | case BNX2_LINK_STATUS_100BASE_T4: | |
1980 | case BNX2_LINK_STATUS_100FULL: | |
1981 | bp->line_speed = SPEED_100; | |
1982 | break; | |
1983 | case BNX2_LINK_STATUS_1000HALF: | |
1984 | bp->duplex = DUPLEX_HALF; | |
1985 | case BNX2_LINK_STATUS_1000FULL: | |
1986 | bp->line_speed = SPEED_1000; | |
1987 | break; | |
1988 | case BNX2_LINK_STATUS_2500HALF: | |
1989 | bp->duplex = DUPLEX_HALF; | |
1990 | case BNX2_LINK_STATUS_2500FULL: | |
1991 | bp->line_speed = SPEED_2500; | |
1992 | break; | |
1993 | default: | |
1994 | bp->line_speed = 0; | |
1995 | break; | |
1996 | } | |
1997 | ||
0d8a6571 MC |
1998 | bp->flow_ctrl = 0; |
1999 | if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) != | |
2000 | (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) { | |
2001 | if (bp->duplex == DUPLEX_FULL) | |
2002 | bp->flow_ctrl = bp->req_flow_ctrl; | |
2003 | } else { | |
2004 | if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED) | |
2005 | bp->flow_ctrl |= FLOW_CTRL_TX; | |
2006 | if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED) | |
2007 | bp->flow_ctrl |= FLOW_CTRL_RX; | |
2008 | } | |
2009 | ||
2010 | old_port = bp->phy_port; | |
2011 | if (msg & BNX2_LINK_STATUS_SERDES_LINK) | |
2012 | bp->phy_port = PORT_FIBRE; | |
2013 | else | |
2014 | bp->phy_port = PORT_TP; | |
2015 | ||
2016 | if (old_port != bp->phy_port) | |
2017 | bnx2_set_default_link(bp); | |
2018 | ||
0d8a6571 MC |
2019 | } |
2020 | if (bp->link_up != link_up) | |
2021 | bnx2_report_link(bp); | |
2022 | ||
2023 | bnx2_set_mac_link(bp); | |
2024 | } | |
2025 | ||
2026 | static int | |
2027 | bnx2_set_remote_link(struct bnx2 *bp) | |
2028 | { | |
2029 | u32 evt_code; | |
2030 | ||
2726d6e1 | 2031 | evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB); |
0d8a6571 MC |
2032 | switch (evt_code) { |
2033 | case BNX2_FW_EVT_CODE_LINK_EVENT: | |
2034 | bnx2_remote_phy_event(bp); | |
2035 | break; | |
2036 | case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT: | |
2037 | default: | |
df149d70 | 2038 | bnx2_send_heart_beat(bp); |
0d8a6571 MC |
2039 | break; |
2040 | } | |
2041 | return 0; | |
2042 | } | |
2043 | ||
b6016b76 MC |
2044 | static int |
2045 | bnx2_setup_copper_phy(struct bnx2 *bp) | |
52d07b1f HH |
2046 | __releases(&bp->phy_lock) |
2047 | __acquires(&bp->phy_lock) | |
b6016b76 MC |
2048 | { |
2049 | u32 bmcr; | |
2050 | u32 new_bmcr; | |
2051 | ||
ca58c3af | 2052 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
b6016b76 MC |
2053 | |
2054 | if (bp->autoneg & AUTONEG_SPEED) { | |
2055 | u32 adv_reg, adv1000_reg; | |
2056 | u32 new_adv_reg = 0; | |
2057 | u32 new_adv1000_reg = 0; | |
2058 | ||
ca58c3af | 2059 | bnx2_read_phy(bp, bp->mii_adv, &adv_reg); |
b6016b76 MC |
2060 | adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP | |
2061 | ADVERTISE_PAUSE_ASYM); | |
2062 | ||
2063 | bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg); | |
2064 | adv1000_reg &= PHY_ALL_1000_SPEED; | |
2065 | ||
2066 | if (bp->advertising & ADVERTISED_10baseT_Half) | |
2067 | new_adv_reg |= ADVERTISE_10HALF; | |
2068 | if (bp->advertising & ADVERTISED_10baseT_Full) | |
2069 | new_adv_reg |= ADVERTISE_10FULL; | |
2070 | if (bp->advertising & ADVERTISED_100baseT_Half) | |
2071 | new_adv_reg |= ADVERTISE_100HALF; | |
2072 | if (bp->advertising & ADVERTISED_100baseT_Full) | |
2073 | new_adv_reg |= ADVERTISE_100FULL; | |
2074 | if (bp->advertising & ADVERTISED_1000baseT_Full) | |
2075 | new_adv1000_reg |= ADVERTISE_1000FULL; | |
6aa20a22 | 2076 | |
b6016b76 MC |
2077 | new_adv_reg |= ADVERTISE_CSMA; |
2078 | ||
2079 | new_adv_reg |= bnx2_phy_get_pause_adv(bp); | |
2080 | ||
2081 | if ((adv1000_reg != new_adv1000_reg) || | |
2082 | (adv_reg != new_adv_reg) || | |
2083 | ((bmcr & BMCR_ANENABLE) == 0)) { | |
2084 | ||
ca58c3af | 2085 | bnx2_write_phy(bp, bp->mii_adv, new_adv_reg); |
b6016b76 | 2086 | bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg); |
ca58c3af | 2087 | bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART | |
b6016b76 MC |
2088 | BMCR_ANENABLE); |
2089 | } | |
2090 | else if (bp->link_up) { | |
2091 | /* Flow ctrl may have changed from auto to forced */ | |
2092 | /* or vice-versa. */ | |
2093 | ||
2094 | bnx2_resolve_flow_ctrl(bp); | |
2095 | bnx2_set_mac_link(bp); | |
2096 | } | |
2097 | return 0; | |
2098 | } | |
2099 | ||
2100 | new_bmcr = 0; | |
2101 | if (bp->req_line_speed == SPEED_100) { | |
2102 | new_bmcr |= BMCR_SPEED100; | |
2103 | } | |
2104 | if (bp->req_duplex == DUPLEX_FULL) { | |
2105 | new_bmcr |= BMCR_FULLDPLX; | |
2106 | } | |
2107 | if (new_bmcr != bmcr) { | |
2108 | u32 bmsr; | |
b6016b76 | 2109 | |
ca58c3af MC |
2110 | bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); |
2111 | bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); | |
6aa20a22 | 2112 | |
b6016b76 MC |
2113 | if (bmsr & BMSR_LSTATUS) { |
2114 | /* Force link down */ | |
ca58c3af | 2115 | bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK); |
a16dda0e MC |
2116 | spin_unlock_bh(&bp->phy_lock); |
2117 | msleep(50); | |
2118 | spin_lock_bh(&bp->phy_lock); | |
2119 | ||
ca58c3af MC |
2120 | bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); |
2121 | bnx2_read_phy(bp, bp->mii_bmsr, &bmsr); | |
b6016b76 MC |
2122 | } |
2123 | ||
ca58c3af | 2124 | bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr); |
b6016b76 MC |
2125 | |
2126 | /* Normally, the new speed is setup after the link has | |
2127 | * gone down and up again. In some cases, link will not go | |
2128 | * down so we need to set up the new speed here. | |
2129 | */ | |
2130 | if (bmsr & BMSR_LSTATUS) { | |
2131 | bp->line_speed = bp->req_line_speed; | |
2132 | bp->duplex = bp->req_duplex; | |
2133 | bnx2_resolve_flow_ctrl(bp); | |
2134 | bnx2_set_mac_link(bp); | |
2135 | } | |
27a005b8 MC |
2136 | } else { |
2137 | bnx2_resolve_flow_ctrl(bp); | |
2138 | bnx2_set_mac_link(bp); | |
b6016b76 MC |
2139 | } |
2140 | return 0; | |
2141 | } | |
2142 | ||
2143 | static int | |
0d8a6571 | 2144 | bnx2_setup_phy(struct bnx2 *bp, u8 port) |
52d07b1f HH |
2145 | __releases(&bp->phy_lock) |
2146 | __acquires(&bp->phy_lock) | |
b6016b76 MC |
2147 | { |
2148 | if (bp->loopback == MAC_LOOPBACK) | |
2149 | return 0; | |
2150 | ||
583c28e5 | 2151 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
807540ba | 2152 | return bnx2_setup_serdes_phy(bp, port); |
b6016b76 MC |
2153 | } |
2154 | else { | |
807540ba | 2155 | return bnx2_setup_copper_phy(bp); |
b6016b76 MC |
2156 | } |
2157 | } | |
2158 | ||
27a005b8 | 2159 | static int |
9a120bc5 | 2160 | bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy) |
27a005b8 MC |
2161 | { |
2162 | u32 val; | |
2163 | ||
2164 | bp->mii_bmcr = MII_BMCR + 0x10; | |
2165 | bp->mii_bmsr = MII_BMSR + 0x10; | |
2166 | bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1; | |
2167 | bp->mii_adv = MII_ADVERTISE + 0x10; | |
2168 | bp->mii_lpa = MII_LPA + 0x10; | |
2169 | bp->mii_up1 = MII_BNX2_OVER1G_UP1; | |
2170 | ||
2171 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER); | |
2172 | bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD); | |
2173 | ||
2174 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0); | |
9a120bc5 MC |
2175 | if (reset_phy) |
2176 | bnx2_reset_phy(bp); | |
27a005b8 MC |
2177 | |
2178 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG); | |
2179 | ||
2180 | bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val); | |
2181 | val &= ~MII_BNX2_SD_1000XCTL1_AUTODET; | |
2182 | val |= MII_BNX2_SD_1000XCTL1_FIBER; | |
2183 | bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val); | |
2184 | ||
2185 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G); | |
2186 | bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val); | |
583c28e5 | 2187 | if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) |
27a005b8 MC |
2188 | val |= BCM5708S_UP1_2G5; |
2189 | else | |
2190 | val &= ~BCM5708S_UP1_2G5; | |
2191 | bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val); | |
2192 | ||
2193 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG); | |
2194 | bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val); | |
2195 | val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM; | |
2196 | bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val); | |
2197 | ||
2198 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0); | |
2199 | ||
2200 | val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN | | |
2201 | MII_BNX2_CL73_BAM_NP_AFT_BP_EN; | |
2202 | bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val); | |
2203 | ||
2204 | bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0); | |
2205 | ||
2206 | return 0; | |
2207 | } | |
2208 | ||
b6016b76 | 2209 | static int |
9a120bc5 | 2210 | bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy) |
5b0c76ad MC |
2211 | { |
2212 | u32 val; | |
2213 | ||
9a120bc5 MC |
2214 | if (reset_phy) |
2215 | bnx2_reset_phy(bp); | |
27a005b8 MC |
2216 | |
2217 | bp->mii_up1 = BCM5708S_UP1; | |
2218 | ||
5b0c76ad MC |
2219 | bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3); |
2220 | bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE); | |
2221 | bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG); | |
2222 | ||
2223 | bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val); | |
2224 | val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN; | |
2225 | bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val); | |
2226 | ||
2227 | bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val); | |
2228 | val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN; | |
2229 | bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val); | |
2230 | ||
583c28e5 | 2231 | if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) { |
5b0c76ad MC |
2232 | bnx2_read_phy(bp, BCM5708S_UP1, &val); |
2233 | val |= BCM5708S_UP1_2G5; | |
2234 | bnx2_write_phy(bp, BCM5708S_UP1, val); | |
2235 | } | |
2236 | ||
2237 | if ((CHIP_ID(bp) == CHIP_ID_5708_A0) || | |
dda1e390 MC |
2238 | (CHIP_ID(bp) == CHIP_ID_5708_B0) || |
2239 | (CHIP_ID(bp) == CHIP_ID_5708_B1)) { | |
5b0c76ad MC |
2240 | /* increase tx signal amplitude */ |
2241 | bnx2_write_phy(bp, BCM5708S_BLK_ADDR, | |
2242 | BCM5708S_BLK_ADDR_TX_MISC); | |
2243 | bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val); | |
2244 | val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM; | |
2245 | bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val); | |
2246 | bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG); | |
2247 | } | |
2248 | ||
2726d6e1 | 2249 | val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) & |
5b0c76ad MC |
2250 | BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK; |
2251 | ||
2252 | if (val) { | |
2253 | u32 is_backplane; | |
2254 | ||
2726d6e1 | 2255 | is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG); |
5b0c76ad MC |
2256 | if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) { |
2257 | bnx2_write_phy(bp, BCM5708S_BLK_ADDR, | |
2258 | BCM5708S_BLK_ADDR_TX_MISC); | |
2259 | bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val); | |
2260 | bnx2_write_phy(bp, BCM5708S_BLK_ADDR, | |
2261 | BCM5708S_BLK_ADDR_DIG); | |
2262 | } | |
2263 | } | |
2264 | return 0; | |
2265 | } | |
2266 | ||
2267 | static int | |
9a120bc5 | 2268 | bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy) |
b6016b76 | 2269 | { |
9a120bc5 MC |
2270 | if (reset_phy) |
2271 | bnx2_reset_phy(bp); | |
27a005b8 | 2272 | |
583c28e5 | 2273 | bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT; |
b6016b76 | 2274 | |
59b47d8a MC |
2275 | if (CHIP_NUM(bp) == CHIP_NUM_5706) |
2276 | REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300); | |
b6016b76 MC |
2277 | |
2278 | if (bp->dev->mtu > 1500) { | |
2279 | u32 val; | |
2280 | ||
2281 | /* Set extended packet length bit */ | |
2282 | bnx2_write_phy(bp, 0x18, 0x7); | |
2283 | bnx2_read_phy(bp, 0x18, &val); | |
2284 | bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000); | |
2285 | ||
2286 | bnx2_write_phy(bp, 0x1c, 0x6c00); | |
2287 | bnx2_read_phy(bp, 0x1c, &val); | |
2288 | bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02); | |
2289 | } | |
2290 | else { | |
2291 | u32 val; | |
2292 | ||
2293 | bnx2_write_phy(bp, 0x18, 0x7); | |
2294 | bnx2_read_phy(bp, 0x18, &val); | |
2295 | bnx2_write_phy(bp, 0x18, val & ~0x4007); | |
2296 | ||
2297 | bnx2_write_phy(bp, 0x1c, 0x6c00); | |
2298 | bnx2_read_phy(bp, 0x1c, &val); | |
2299 | bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00); | |
2300 | } | |
2301 | ||
2302 | return 0; | |
2303 | } | |
2304 | ||
2305 | static int | |
9a120bc5 | 2306 | bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy) |
b6016b76 | 2307 | { |
5b0c76ad MC |
2308 | u32 val; |
2309 | ||
9a120bc5 MC |
2310 | if (reset_phy) |
2311 | bnx2_reset_phy(bp); | |
27a005b8 | 2312 | |
583c28e5 | 2313 | if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) { |
b6016b76 MC |
2314 | bnx2_write_phy(bp, 0x18, 0x0c00); |
2315 | bnx2_write_phy(bp, 0x17, 0x000a); | |
2316 | bnx2_write_phy(bp, 0x15, 0x310b); | |
2317 | bnx2_write_phy(bp, 0x17, 0x201f); | |
2318 | bnx2_write_phy(bp, 0x15, 0x9506); | |
2319 | bnx2_write_phy(bp, 0x17, 0x401f); | |
2320 | bnx2_write_phy(bp, 0x15, 0x14e2); | |
2321 | bnx2_write_phy(bp, 0x18, 0x0400); | |
2322 | } | |
2323 | ||
583c28e5 | 2324 | if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) { |
b659f44e MC |
2325 | bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, |
2326 | MII_BNX2_DSP_EXPAND_REG | 0x8); | |
2327 | bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val); | |
2328 | val &= ~(1 << 8); | |
2329 | bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val); | |
2330 | } | |
2331 | ||
b6016b76 | 2332 | if (bp->dev->mtu > 1500) { |
b6016b76 MC |
2333 | /* Set extended packet length bit */ |
2334 | bnx2_write_phy(bp, 0x18, 0x7); | |
2335 | bnx2_read_phy(bp, 0x18, &val); | |
2336 | bnx2_write_phy(bp, 0x18, val | 0x4000); | |
2337 | ||
2338 | bnx2_read_phy(bp, 0x10, &val); | |
2339 | bnx2_write_phy(bp, 0x10, val | 0x1); | |
2340 | } | |
2341 | else { | |
b6016b76 MC |
2342 | bnx2_write_phy(bp, 0x18, 0x7); |
2343 | bnx2_read_phy(bp, 0x18, &val); | |
2344 | bnx2_write_phy(bp, 0x18, val & ~0x4007); | |
2345 | ||
2346 | bnx2_read_phy(bp, 0x10, &val); | |
2347 | bnx2_write_phy(bp, 0x10, val & ~0x1); | |
2348 | } | |
2349 | ||
5b0c76ad MC |
2350 | /* ethernet@wirespeed */ |
2351 | bnx2_write_phy(bp, 0x18, 0x7007); | |
2352 | bnx2_read_phy(bp, 0x18, &val); | |
2353 | bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4)); | |
b6016b76 MC |
2354 | return 0; |
2355 | } | |
2356 | ||
2357 | ||
2358 | static int | |
9a120bc5 | 2359 | bnx2_init_phy(struct bnx2 *bp, int reset_phy) |
52d07b1f HH |
2360 | __releases(&bp->phy_lock) |
2361 | __acquires(&bp->phy_lock) | |
b6016b76 MC |
2362 | { |
2363 | u32 val; | |
2364 | int rc = 0; | |
2365 | ||
583c28e5 MC |
2366 | bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK; |
2367 | bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY; | |
b6016b76 | 2368 | |
ca58c3af MC |
2369 | bp->mii_bmcr = MII_BMCR; |
2370 | bp->mii_bmsr = MII_BMSR; | |
27a005b8 | 2371 | bp->mii_bmsr1 = MII_BMSR; |
ca58c3af MC |
2372 | bp->mii_adv = MII_ADVERTISE; |
2373 | bp->mii_lpa = MII_LPA; | |
2374 | ||
b6016b76 MC |
2375 | REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK); |
2376 | ||
583c28e5 | 2377 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) |
0d8a6571 MC |
2378 | goto setup_phy; |
2379 | ||
b6016b76 MC |
2380 | bnx2_read_phy(bp, MII_PHYSID1, &val); |
2381 | bp->phy_id = val << 16; | |
2382 | bnx2_read_phy(bp, MII_PHYSID2, &val); | |
2383 | bp->phy_id |= val & 0xffff; | |
2384 | ||
583c28e5 | 2385 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
5b0c76ad | 2386 | if (CHIP_NUM(bp) == CHIP_NUM_5706) |
9a120bc5 | 2387 | rc = bnx2_init_5706s_phy(bp, reset_phy); |
5b0c76ad | 2388 | else if (CHIP_NUM(bp) == CHIP_NUM_5708) |
9a120bc5 | 2389 | rc = bnx2_init_5708s_phy(bp, reset_phy); |
27a005b8 | 2390 | else if (CHIP_NUM(bp) == CHIP_NUM_5709) |
9a120bc5 | 2391 | rc = bnx2_init_5709s_phy(bp, reset_phy); |
b6016b76 MC |
2392 | } |
2393 | else { | |
9a120bc5 | 2394 | rc = bnx2_init_copper_phy(bp, reset_phy); |
b6016b76 MC |
2395 | } |
2396 | ||
0d8a6571 MC |
2397 | setup_phy: |
2398 | if (!rc) | |
2399 | rc = bnx2_setup_phy(bp, bp->phy_port); | |
b6016b76 MC |
2400 | |
2401 | return rc; | |
2402 | } | |
2403 | ||
2404 | static int | |
2405 | bnx2_set_mac_loopback(struct bnx2 *bp) | |
2406 | { | |
2407 | u32 mac_mode; | |
2408 | ||
2409 | mac_mode = REG_RD(bp, BNX2_EMAC_MODE); | |
2410 | mac_mode &= ~BNX2_EMAC_MODE_PORT; | |
2411 | mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK; | |
2412 | REG_WR(bp, BNX2_EMAC_MODE, mac_mode); | |
2413 | bp->link_up = 1; | |
2414 | return 0; | |
2415 | } | |
2416 | ||
bc5a0690 MC |
2417 | static int bnx2_test_link(struct bnx2 *); |
2418 | ||
2419 | static int | |
2420 | bnx2_set_phy_loopback(struct bnx2 *bp) | |
2421 | { | |
2422 | u32 mac_mode; | |
2423 | int rc, i; | |
2424 | ||
2425 | spin_lock_bh(&bp->phy_lock); | |
ca58c3af | 2426 | rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX | |
bc5a0690 MC |
2427 | BMCR_SPEED1000); |
2428 | spin_unlock_bh(&bp->phy_lock); | |
2429 | if (rc) | |
2430 | return rc; | |
2431 | ||
2432 | for (i = 0; i < 10; i++) { | |
2433 | if (bnx2_test_link(bp) == 0) | |
2434 | break; | |
80be4434 | 2435 | msleep(100); |
bc5a0690 MC |
2436 | } |
2437 | ||
2438 | mac_mode = REG_RD(bp, BNX2_EMAC_MODE); | |
2439 | mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | | |
2440 | BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | | |
59b47d8a | 2441 | BNX2_EMAC_MODE_25G_MODE); |
bc5a0690 MC |
2442 | |
2443 | mac_mode |= BNX2_EMAC_MODE_PORT_GMII; | |
2444 | REG_WR(bp, BNX2_EMAC_MODE, mac_mode); | |
2445 | bp->link_up = 1; | |
2446 | return 0; | |
2447 | } | |
2448 | ||
ecdbf6e0 JH |
2449 | static void |
2450 | bnx2_dump_mcp_state(struct bnx2 *bp) | |
2451 | { | |
2452 | struct net_device *dev = bp->dev; | |
2453 | u32 mcp_p0, mcp_p1; | |
2454 | ||
2455 | netdev_err(dev, "<--- start MCP states dump --->\n"); | |
2456 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { | |
2457 | mcp_p0 = BNX2_MCP_STATE_P0; | |
2458 | mcp_p1 = BNX2_MCP_STATE_P1; | |
2459 | } else { | |
2460 | mcp_p0 = BNX2_MCP_STATE_P0_5708; | |
2461 | mcp_p1 = BNX2_MCP_STATE_P1_5708; | |
2462 | } | |
2463 | netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n", | |
2464 | bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1)); | |
2465 | netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n", | |
2466 | bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE), | |
2467 | bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE), | |
2468 | bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK)); | |
2469 | netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n", | |
2470 | bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER), | |
2471 | bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER), | |
2472 | bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION)); | |
2473 | netdev_err(dev, "DEBUG: shmem states:\n"); | |
2474 | netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]", | |
2475 | bnx2_shmem_rd(bp, BNX2_DRV_MB), | |
2476 | bnx2_shmem_rd(bp, BNX2_FW_MB), | |
2477 | bnx2_shmem_rd(bp, BNX2_LINK_STATUS)); | |
2478 | pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB)); | |
2479 | netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]", | |
2480 | bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE), | |
2481 | bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE)); | |
2482 | pr_cont(" condition[%08x]\n", | |
2483 | bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION)); | |
2484 | DP_SHMEM_LINE(bp, 0x3cc); | |
2485 | DP_SHMEM_LINE(bp, 0x3dc); | |
2486 | DP_SHMEM_LINE(bp, 0x3ec); | |
2487 | netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc)); | |
2488 | netdev_err(dev, "<--- end MCP states dump --->\n"); | |
2489 | } | |
2490 | ||
b6016b76 | 2491 | static int |
a2f13890 | 2492 | bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent) |
b6016b76 MC |
2493 | { |
2494 | int i; | |
2495 | u32 val; | |
2496 | ||
b6016b76 MC |
2497 | bp->fw_wr_seq++; |
2498 | msg_data |= bp->fw_wr_seq; | |
2499 | ||
2726d6e1 | 2500 | bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data); |
b6016b76 | 2501 | |
a2f13890 MC |
2502 | if (!ack) |
2503 | return 0; | |
2504 | ||
b6016b76 | 2505 | /* wait for an acknowledgement. */ |
40105c0b | 2506 | for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) { |
b090ae2b | 2507 | msleep(10); |
b6016b76 | 2508 | |
2726d6e1 | 2509 | val = bnx2_shmem_rd(bp, BNX2_FW_MB); |
b6016b76 MC |
2510 | |
2511 | if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ)) | |
2512 | break; | |
2513 | } | |
b090ae2b MC |
2514 | if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0) |
2515 | return 0; | |
b6016b76 MC |
2516 | |
2517 | /* If we timed out, inform the firmware that this is the case. */ | |
b090ae2b | 2518 | if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) { |
b6016b76 MC |
2519 | msg_data &= ~BNX2_DRV_MSG_CODE; |
2520 | msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT; | |
2521 | ||
2726d6e1 | 2522 | bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data); |
ecdbf6e0 JH |
2523 | if (!silent) { |
2524 | pr_err("fw sync timeout, reset code = %x\n", msg_data); | |
2525 | bnx2_dump_mcp_state(bp); | |
2526 | } | |
b6016b76 | 2527 | |
b6016b76 MC |
2528 | return -EBUSY; |
2529 | } | |
2530 | ||
b090ae2b MC |
2531 | if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK) |
2532 | return -EIO; | |
2533 | ||
b6016b76 MC |
2534 | return 0; |
2535 | } | |
2536 | ||
59b47d8a MC |
2537 | static int |
2538 | bnx2_init_5709_context(struct bnx2 *bp) | |
2539 | { | |
2540 | int i, ret = 0; | |
2541 | u32 val; | |
2542 | ||
2543 | val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12); | |
2544 | val |= (BCM_PAGE_BITS - 8) << 16; | |
2545 | REG_WR(bp, BNX2_CTX_COMMAND, val); | |
641bdcd5 MC |
2546 | for (i = 0; i < 10; i++) { |
2547 | val = REG_RD(bp, BNX2_CTX_COMMAND); | |
2548 | if (!(val & BNX2_CTX_COMMAND_MEM_INIT)) | |
2549 | break; | |
2550 | udelay(2); | |
2551 | } | |
2552 | if (val & BNX2_CTX_COMMAND_MEM_INIT) | |
2553 | return -EBUSY; | |
2554 | ||
59b47d8a MC |
2555 | for (i = 0; i < bp->ctx_pages; i++) { |
2556 | int j; | |
2557 | ||
352f7687 MC |
2558 | if (bp->ctx_blk[i]) |
2559 | memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE); | |
2560 | else | |
2561 | return -ENOMEM; | |
2562 | ||
59b47d8a MC |
2563 | REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0, |
2564 | (bp->ctx_blk_mapping[i] & 0xffffffff) | | |
2565 | BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID); | |
2566 | REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1, | |
2567 | (u64) bp->ctx_blk_mapping[i] >> 32); | |
2568 | REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i | | |
2569 | BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ); | |
2570 | for (j = 0; j < 10; j++) { | |
2571 | ||
2572 | val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL); | |
2573 | if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ)) | |
2574 | break; | |
2575 | udelay(5); | |
2576 | } | |
2577 | if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) { | |
2578 | ret = -EBUSY; | |
2579 | break; | |
2580 | } | |
2581 | } | |
2582 | return ret; | |
2583 | } | |
2584 | ||
b6016b76 MC |
2585 | static void |
2586 | bnx2_init_context(struct bnx2 *bp) | |
2587 | { | |
2588 | u32 vcid; | |
2589 | ||
2590 | vcid = 96; | |
2591 | while (vcid) { | |
2592 | u32 vcid_addr, pcid_addr, offset; | |
7947b20e | 2593 | int i; |
b6016b76 MC |
2594 | |
2595 | vcid--; | |
2596 | ||
2597 | if (CHIP_ID(bp) == CHIP_ID_5706_A0) { | |
2598 | u32 new_vcid; | |
2599 | ||
2600 | vcid_addr = GET_PCID_ADDR(vcid); | |
2601 | if (vcid & 0x8) { | |
2602 | new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7); | |
2603 | } | |
2604 | else { | |
2605 | new_vcid = vcid; | |
2606 | } | |
2607 | pcid_addr = GET_PCID_ADDR(new_vcid); | |
2608 | } | |
2609 | else { | |
2610 | vcid_addr = GET_CID_ADDR(vcid); | |
2611 | pcid_addr = vcid_addr; | |
2612 | } | |
2613 | ||
7947b20e MC |
2614 | for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) { |
2615 | vcid_addr += (i << PHY_CTX_SHIFT); | |
2616 | pcid_addr += (i << PHY_CTX_SHIFT); | |
b6016b76 | 2617 | |
5d5d0015 | 2618 | REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr); |
7947b20e | 2619 | REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr); |
b6016b76 | 2620 | |
7947b20e MC |
2621 | /* Zero out the context. */ |
2622 | for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) | |
62a8313c | 2623 | bnx2_ctx_wr(bp, vcid_addr, offset, 0); |
7947b20e | 2624 | } |
b6016b76 MC |
2625 | } |
2626 | } | |
2627 | ||
2628 | static int | |
2629 | bnx2_alloc_bad_rbuf(struct bnx2 *bp) | |
2630 | { | |
2631 | u16 *good_mbuf; | |
2632 | u32 good_mbuf_cnt; | |
2633 | u32 val; | |
2634 | ||
2635 | good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL); | |
2636 | if (good_mbuf == NULL) { | |
3a9c6a49 | 2637 | pr_err("Failed to allocate memory in %s\n", __func__); |
b6016b76 MC |
2638 | return -ENOMEM; |
2639 | } | |
2640 | ||
2641 | REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, | |
2642 | BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE); | |
2643 | ||
2644 | good_mbuf_cnt = 0; | |
2645 | ||
2646 | /* Allocate a bunch of mbufs and save the good ones in an array. */ | |
2726d6e1 | 2647 | val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1); |
b6016b76 | 2648 | while (val & BNX2_RBUF_STATUS1_FREE_COUNT) { |
2726d6e1 MC |
2649 | bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND, |
2650 | BNX2_RBUF_COMMAND_ALLOC_REQ); | |
b6016b76 | 2651 | |
2726d6e1 | 2652 | val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC); |
b6016b76 MC |
2653 | |
2654 | val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE; | |
2655 | ||
2656 | /* The addresses with Bit 9 set are bad memory blocks. */ | |
2657 | if (!(val & (1 << 9))) { | |
2658 | good_mbuf[good_mbuf_cnt] = (u16) val; | |
2659 | good_mbuf_cnt++; | |
2660 | } | |
2661 | ||
2726d6e1 | 2662 | val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1); |
b6016b76 MC |
2663 | } |
2664 | ||
2665 | /* Free the good ones back to the mbuf pool thus discarding | |
2666 | * all the bad ones. */ | |
2667 | while (good_mbuf_cnt) { | |
2668 | good_mbuf_cnt--; | |
2669 | ||
2670 | val = good_mbuf[good_mbuf_cnt]; | |
2671 | val = (val << 9) | val | 1; | |
2672 | ||
2726d6e1 | 2673 | bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val); |
b6016b76 MC |
2674 | } |
2675 | kfree(good_mbuf); | |
2676 | return 0; | |
2677 | } | |
2678 | ||
2679 | static void | |
5fcaed01 | 2680 | bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos) |
b6016b76 MC |
2681 | { |
2682 | u32 val; | |
b6016b76 MC |
2683 | |
2684 | val = (mac_addr[0] << 8) | mac_addr[1]; | |
2685 | ||
5fcaed01 | 2686 | REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val); |
b6016b76 | 2687 | |
6aa20a22 | 2688 | val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | |
b6016b76 MC |
2689 | (mac_addr[4] << 8) | mac_addr[5]; |
2690 | ||
5fcaed01 | 2691 | REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val); |
b6016b76 MC |
2692 | } |
2693 | ||
47bf4246 | 2694 | static inline int |
a2df00aa | 2695 | bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp) |
47bf4246 MC |
2696 | { |
2697 | dma_addr_t mapping; | |
bb4f98ab | 2698 | struct sw_pg *rx_pg = &rxr->rx_pg_ring[index]; |
47bf4246 | 2699 | struct rx_bd *rxbd = |
bb4f98ab | 2700 | &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)]; |
a2df00aa | 2701 | struct page *page = alloc_page(gfp); |
47bf4246 MC |
2702 | |
2703 | if (!page) | |
2704 | return -ENOMEM; | |
36227e88 | 2705 | mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE, |
47bf4246 | 2706 | PCI_DMA_FROMDEVICE); |
36227e88 | 2707 | if (dma_mapping_error(&bp->pdev->dev, mapping)) { |
3d16af86 BL |
2708 | __free_page(page); |
2709 | return -EIO; | |
2710 | } | |
2711 | ||
47bf4246 | 2712 | rx_pg->page = page; |
1a4ccc2d | 2713 | dma_unmap_addr_set(rx_pg, mapping, mapping); |
47bf4246 MC |
2714 | rxbd->rx_bd_haddr_hi = (u64) mapping >> 32; |
2715 | rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff; | |
2716 | return 0; | |
2717 | } | |
2718 | ||
2719 | static void | |
bb4f98ab | 2720 | bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) |
47bf4246 | 2721 | { |
bb4f98ab | 2722 | struct sw_pg *rx_pg = &rxr->rx_pg_ring[index]; |
47bf4246 MC |
2723 | struct page *page = rx_pg->page; |
2724 | ||
2725 | if (!page) | |
2726 | return; | |
2727 | ||
36227e88 SG |
2728 | dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping), |
2729 | PAGE_SIZE, PCI_DMA_FROMDEVICE); | |
47bf4246 MC |
2730 | |
2731 | __free_page(page); | |
2732 | rx_pg->page = NULL; | |
2733 | } | |
2734 | ||
b6016b76 | 2735 | static inline int |
a2df00aa | 2736 | bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp) |
b6016b76 MC |
2737 | { |
2738 | struct sk_buff *skb; | |
bb4f98ab | 2739 | struct sw_bd *rx_buf = &rxr->rx_buf_ring[index]; |
b6016b76 | 2740 | dma_addr_t mapping; |
bb4f98ab | 2741 | struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)]; |
b6016b76 MC |
2742 | unsigned long align; |
2743 | ||
a2df00aa | 2744 | skb = __netdev_alloc_skb(bp->dev, bp->rx_buf_size, gfp); |
b6016b76 MC |
2745 | if (skb == NULL) { |
2746 | return -ENOMEM; | |
2747 | } | |
2748 | ||
59b47d8a MC |
2749 | if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1)))) |
2750 | skb_reserve(skb, BNX2_RX_ALIGN - align); | |
b6016b76 | 2751 | |
36227e88 SG |
2752 | mapping = dma_map_single(&bp->pdev->dev, skb->data, bp->rx_buf_use_size, |
2753 | PCI_DMA_FROMDEVICE); | |
2754 | if (dma_mapping_error(&bp->pdev->dev, mapping)) { | |
3d16af86 BL |
2755 | dev_kfree_skb(skb); |
2756 | return -EIO; | |
2757 | } | |
b6016b76 MC |
2758 | |
2759 | rx_buf->skb = skb; | |
a33fa66b | 2760 | rx_buf->desc = (struct l2_fhdr *) skb->data; |
1a4ccc2d | 2761 | dma_unmap_addr_set(rx_buf, mapping, mapping); |
b6016b76 MC |
2762 | |
2763 | rxbd->rx_bd_haddr_hi = (u64) mapping >> 32; | |
2764 | rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff; | |
2765 | ||
bb4f98ab | 2766 | rxr->rx_prod_bseq += bp->rx_buf_use_size; |
b6016b76 MC |
2767 | |
2768 | return 0; | |
2769 | } | |
2770 | ||
da3e4fbe | 2771 | static int |
35efa7c1 | 2772 | bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event) |
b6016b76 | 2773 | { |
43e80b89 | 2774 | struct status_block *sblk = bnapi->status_blk.msi; |
b6016b76 | 2775 | u32 new_link_state, old_link_state; |
da3e4fbe | 2776 | int is_set = 1; |
b6016b76 | 2777 | |
da3e4fbe MC |
2778 | new_link_state = sblk->status_attn_bits & event; |
2779 | old_link_state = sblk->status_attn_bits_ack & event; | |
b6016b76 | 2780 | if (new_link_state != old_link_state) { |
da3e4fbe MC |
2781 | if (new_link_state) |
2782 | REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event); | |
2783 | else | |
2784 | REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event); | |
2785 | } else | |
2786 | is_set = 0; | |
2787 | ||
2788 | return is_set; | |
2789 | } | |
2790 | ||
2791 | static void | |
35efa7c1 | 2792 | bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi) |
da3e4fbe | 2793 | { |
74ecc62d MC |
2794 | spin_lock(&bp->phy_lock); |
2795 | ||
2796 | if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) | |
b6016b76 | 2797 | bnx2_set_link(bp); |
35efa7c1 | 2798 | if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT)) |
0d8a6571 MC |
2799 | bnx2_set_remote_link(bp); |
2800 | ||
74ecc62d MC |
2801 | spin_unlock(&bp->phy_lock); |
2802 | ||
b6016b76 MC |
2803 | } |
2804 | ||
ead7270b | 2805 | static inline u16 |
35efa7c1 | 2806 | bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi) |
ead7270b MC |
2807 | { |
2808 | u16 cons; | |
2809 | ||
43e80b89 MC |
2810 | /* Tell compiler that status block fields can change. */ |
2811 | barrier(); | |
2812 | cons = *bnapi->hw_tx_cons_ptr; | |
581daf7e | 2813 | barrier(); |
ead7270b MC |
2814 | if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT)) |
2815 | cons++; | |
2816 | return cons; | |
2817 | } | |
2818 | ||
57851d84 MC |
2819 | static int |
2820 | bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) | |
b6016b76 | 2821 | { |
35e9010b | 2822 | struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; |
b6016b76 | 2823 | u16 hw_cons, sw_cons, sw_ring_cons; |
706bf240 BL |
2824 | int tx_pkt = 0, index; |
2825 | struct netdev_queue *txq; | |
2826 | ||
2827 | index = (bnapi - bp->bnx2_napi); | |
2828 | txq = netdev_get_tx_queue(bp->dev, index); | |
b6016b76 | 2829 | |
35efa7c1 | 2830 | hw_cons = bnx2_get_hw_tx_cons(bnapi); |
35e9010b | 2831 | sw_cons = txr->tx_cons; |
b6016b76 MC |
2832 | |
2833 | while (sw_cons != hw_cons) { | |
3d16af86 | 2834 | struct sw_tx_bd *tx_buf; |
b6016b76 MC |
2835 | struct sk_buff *skb; |
2836 | int i, last; | |
2837 | ||
2838 | sw_ring_cons = TX_RING_IDX(sw_cons); | |
2839 | ||
35e9010b | 2840 | tx_buf = &txr->tx_buf_ring[sw_ring_cons]; |
b6016b76 | 2841 | skb = tx_buf->skb; |
1d39ed56 | 2842 | |
d62fda08 ED |
2843 | /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */ |
2844 | prefetch(&skb->end); | |
2845 | ||
b6016b76 | 2846 | /* partial BD completions possible with TSO packets */ |
d62fda08 | 2847 | if (tx_buf->is_gso) { |
b6016b76 MC |
2848 | u16 last_idx, last_ring_idx; |
2849 | ||
d62fda08 ED |
2850 | last_idx = sw_cons + tx_buf->nr_frags + 1; |
2851 | last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1; | |
b6016b76 MC |
2852 | if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) { |
2853 | last_idx++; | |
2854 | } | |
2855 | if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) { | |
2856 | break; | |
2857 | } | |
2858 | } | |
1d39ed56 | 2859 | |
36227e88 | 2860 | dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping), |
e95524a7 | 2861 | skb_headlen(skb), PCI_DMA_TODEVICE); |
b6016b76 MC |
2862 | |
2863 | tx_buf->skb = NULL; | |
d62fda08 | 2864 | last = tx_buf->nr_frags; |
b6016b76 MC |
2865 | |
2866 | for (i = 0; i < last; i++) { | |
2867 | sw_cons = NEXT_TX_BD(sw_cons); | |
e95524a7 | 2868 | |
36227e88 | 2869 | dma_unmap_page(&bp->pdev->dev, |
1a4ccc2d | 2870 | dma_unmap_addr( |
e95524a7 AD |
2871 | &txr->tx_buf_ring[TX_RING_IDX(sw_cons)], |
2872 | mapping), | |
2873 | skb_shinfo(skb)->frags[i].size, | |
2874 | PCI_DMA_TODEVICE); | |
b6016b76 MC |
2875 | } |
2876 | ||
2877 | sw_cons = NEXT_TX_BD(sw_cons); | |
2878 | ||
745720e5 | 2879 | dev_kfree_skb(skb); |
57851d84 MC |
2880 | tx_pkt++; |
2881 | if (tx_pkt == budget) | |
2882 | break; | |
b6016b76 | 2883 | |
d62fda08 ED |
2884 | if (hw_cons == sw_cons) |
2885 | hw_cons = bnx2_get_hw_tx_cons(bnapi); | |
b6016b76 MC |
2886 | } |
2887 | ||
35e9010b MC |
2888 | txr->hw_tx_cons = hw_cons; |
2889 | txr->tx_cons = sw_cons; | |
706bf240 | 2890 | |
2f8af120 | 2891 | /* Need to make the tx_cons update visible to bnx2_start_xmit() |
706bf240 | 2892 | * before checking for netif_tx_queue_stopped(). Without the |
2f8af120 MC |
2893 | * memory barrier, there is a small possibility that bnx2_start_xmit() |
2894 | * will miss it and cause the queue to be stopped forever. | |
2895 | */ | |
2896 | smp_mb(); | |
b6016b76 | 2897 | |
706bf240 | 2898 | if (unlikely(netif_tx_queue_stopped(txq)) && |
35e9010b | 2899 | (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) { |
706bf240 BL |
2900 | __netif_tx_lock(txq, smp_processor_id()); |
2901 | if ((netif_tx_queue_stopped(txq)) && | |
35e9010b | 2902 | (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) |
706bf240 BL |
2903 | netif_tx_wake_queue(txq); |
2904 | __netif_tx_unlock(txq); | |
b6016b76 | 2905 | } |
706bf240 | 2906 | |
57851d84 | 2907 | return tx_pkt; |
b6016b76 MC |
2908 | } |
2909 | ||
1db82f2a | 2910 | static void |
bb4f98ab | 2911 | bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, |
a1f60190 | 2912 | struct sk_buff *skb, int count) |
1db82f2a MC |
2913 | { |
2914 | struct sw_pg *cons_rx_pg, *prod_rx_pg; | |
2915 | struct rx_bd *cons_bd, *prod_bd; | |
1db82f2a | 2916 | int i; |
3d16af86 | 2917 | u16 hw_prod, prod; |
bb4f98ab | 2918 | u16 cons = rxr->rx_pg_cons; |
1db82f2a | 2919 | |
3d16af86 BL |
2920 | cons_rx_pg = &rxr->rx_pg_ring[cons]; |
2921 | ||
2922 | /* The caller was unable to allocate a new page to replace the | |
2923 | * last one in the frags array, so we need to recycle that page | |
2924 | * and then free the skb. | |
2925 | */ | |
2926 | if (skb) { | |
2927 | struct page *page; | |
2928 | struct skb_shared_info *shinfo; | |
2929 | ||
2930 | shinfo = skb_shinfo(skb); | |
2931 | shinfo->nr_frags--; | |
2932 | page = shinfo->frags[shinfo->nr_frags].page; | |
2933 | shinfo->frags[shinfo->nr_frags].page = NULL; | |
2934 | ||
2935 | cons_rx_pg->page = page; | |
2936 | dev_kfree_skb(skb); | |
2937 | } | |
2938 | ||
2939 | hw_prod = rxr->rx_pg_prod; | |
2940 | ||
1db82f2a MC |
2941 | for (i = 0; i < count; i++) { |
2942 | prod = RX_PG_RING_IDX(hw_prod); | |
2943 | ||
bb4f98ab MC |
2944 | prod_rx_pg = &rxr->rx_pg_ring[prod]; |
2945 | cons_rx_pg = &rxr->rx_pg_ring[cons]; | |
2946 | cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)]; | |
2947 | prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)]; | |
1db82f2a | 2948 | |
1db82f2a MC |
2949 | if (prod != cons) { |
2950 | prod_rx_pg->page = cons_rx_pg->page; | |
2951 | cons_rx_pg->page = NULL; | |
1a4ccc2d FT |
2952 | dma_unmap_addr_set(prod_rx_pg, mapping, |
2953 | dma_unmap_addr(cons_rx_pg, mapping)); | |
1db82f2a MC |
2954 | |
2955 | prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi; | |
2956 | prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo; | |
2957 | ||
2958 | } | |
2959 | cons = RX_PG_RING_IDX(NEXT_RX_BD(cons)); | |
2960 | hw_prod = NEXT_RX_BD(hw_prod); | |
2961 | } | |
bb4f98ab MC |
2962 | rxr->rx_pg_prod = hw_prod; |
2963 | rxr->rx_pg_cons = cons; | |
1db82f2a MC |
2964 | } |
2965 | ||
b6016b76 | 2966 | static inline void |
bb4f98ab MC |
2967 | bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, |
2968 | struct sk_buff *skb, u16 cons, u16 prod) | |
b6016b76 | 2969 | { |
236b6394 MC |
2970 | struct sw_bd *cons_rx_buf, *prod_rx_buf; |
2971 | struct rx_bd *cons_bd, *prod_bd; | |
2972 | ||
bb4f98ab MC |
2973 | cons_rx_buf = &rxr->rx_buf_ring[cons]; |
2974 | prod_rx_buf = &rxr->rx_buf_ring[prod]; | |
b6016b76 | 2975 | |
36227e88 | 2976 | dma_sync_single_for_device(&bp->pdev->dev, |
1a4ccc2d | 2977 | dma_unmap_addr(cons_rx_buf, mapping), |
601d3d18 | 2978 | BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE); |
b6016b76 | 2979 | |
bb4f98ab | 2980 | rxr->rx_prod_bseq += bp->rx_buf_use_size; |
b6016b76 | 2981 | |
236b6394 | 2982 | prod_rx_buf->skb = skb; |
a33fa66b | 2983 | prod_rx_buf->desc = (struct l2_fhdr *) skb->data; |
b6016b76 | 2984 | |
236b6394 MC |
2985 | if (cons == prod) |
2986 | return; | |
b6016b76 | 2987 | |
1a4ccc2d FT |
2988 | dma_unmap_addr_set(prod_rx_buf, mapping, |
2989 | dma_unmap_addr(cons_rx_buf, mapping)); | |
236b6394 | 2990 | |
bb4f98ab MC |
2991 | cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)]; |
2992 | prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)]; | |
236b6394 MC |
2993 | prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi; |
2994 | prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo; | |
b6016b76 MC |
2995 | } |
2996 | ||
85833c62 | 2997 | static int |
bb4f98ab | 2998 | bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb, |
a1f60190 MC |
2999 | unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr, |
3000 | u32 ring_idx) | |
85833c62 MC |
3001 | { |
3002 | int err; | |
3003 | u16 prod = ring_idx & 0xffff; | |
3004 | ||
a2df00aa | 3005 | err = bnx2_alloc_rx_skb(bp, rxr, prod, GFP_ATOMIC); |
85833c62 | 3006 | if (unlikely(err)) { |
bb4f98ab | 3007 | bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod); |
1db82f2a MC |
3008 | if (hdr_len) { |
3009 | unsigned int raw_len = len + 4; | |
3010 | int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT; | |
3011 | ||
bb4f98ab | 3012 | bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages); |
1db82f2a | 3013 | } |
85833c62 MC |
3014 | return err; |
3015 | } | |
3016 | ||
d89cb6af | 3017 | skb_reserve(skb, BNX2_RX_OFFSET); |
36227e88 | 3018 | dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size, |
85833c62 MC |
3019 | PCI_DMA_FROMDEVICE); |
3020 | ||
1db82f2a MC |
3021 | if (hdr_len == 0) { |
3022 | skb_put(skb, len); | |
3023 | return 0; | |
3024 | } else { | |
3025 | unsigned int i, frag_len, frag_size, pages; | |
3026 | struct sw_pg *rx_pg; | |
bb4f98ab MC |
3027 | u16 pg_cons = rxr->rx_pg_cons; |
3028 | u16 pg_prod = rxr->rx_pg_prod; | |
1db82f2a MC |
3029 | |
3030 | frag_size = len + 4 - hdr_len; | |
3031 | pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT; | |
3032 | skb_put(skb, hdr_len); | |
3033 | ||
3034 | for (i = 0; i < pages; i++) { | |
3d16af86 BL |
3035 | dma_addr_t mapping_old; |
3036 | ||
1db82f2a MC |
3037 | frag_len = min(frag_size, (unsigned int) PAGE_SIZE); |
3038 | if (unlikely(frag_len <= 4)) { | |
3039 | unsigned int tail = 4 - frag_len; | |
3040 | ||
bb4f98ab MC |
3041 | rxr->rx_pg_cons = pg_cons; |
3042 | rxr->rx_pg_prod = pg_prod; | |
3043 | bnx2_reuse_rx_skb_pages(bp, rxr, NULL, | |
a1f60190 | 3044 | pages - i); |
1db82f2a MC |
3045 | skb->len -= tail; |
3046 | if (i == 0) { | |
3047 | skb->tail -= tail; | |
3048 | } else { | |
3049 | skb_frag_t *frag = | |
3050 | &skb_shinfo(skb)->frags[i - 1]; | |
3051 | frag->size -= tail; | |
3052 | skb->data_len -= tail; | |
3053 | skb->truesize -= tail; | |
3054 | } | |
3055 | return 0; | |
3056 | } | |
bb4f98ab | 3057 | rx_pg = &rxr->rx_pg_ring[pg_cons]; |
1db82f2a | 3058 | |
3d16af86 BL |
3059 | /* Don't unmap yet. If we're unable to allocate a new |
3060 | * page, we need to recycle the page and the DMA addr. | |
3061 | */ | |
1a4ccc2d | 3062 | mapping_old = dma_unmap_addr(rx_pg, mapping); |
1db82f2a MC |
3063 | if (i == pages - 1) |
3064 | frag_len -= 4; | |
3065 | ||
3066 | skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len); | |
3067 | rx_pg->page = NULL; | |
3068 | ||
bb4f98ab | 3069 | err = bnx2_alloc_rx_page(bp, rxr, |
a2df00aa SG |
3070 | RX_PG_RING_IDX(pg_prod), |
3071 | GFP_ATOMIC); | |
1db82f2a | 3072 | if (unlikely(err)) { |
bb4f98ab MC |
3073 | rxr->rx_pg_cons = pg_cons; |
3074 | rxr->rx_pg_prod = pg_prod; | |
3075 | bnx2_reuse_rx_skb_pages(bp, rxr, skb, | |
a1f60190 | 3076 | pages - i); |
1db82f2a MC |
3077 | return err; |
3078 | } | |
3079 | ||
36227e88 | 3080 | dma_unmap_page(&bp->pdev->dev, mapping_old, |
3d16af86 BL |
3081 | PAGE_SIZE, PCI_DMA_FROMDEVICE); |
3082 | ||
1db82f2a MC |
3083 | frag_size -= frag_len; |
3084 | skb->data_len += frag_len; | |
3085 | skb->truesize += frag_len; | |
3086 | skb->len += frag_len; | |
3087 | ||
3088 | pg_prod = NEXT_RX_BD(pg_prod); | |
3089 | pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons)); | |
3090 | } | |
bb4f98ab MC |
3091 | rxr->rx_pg_prod = pg_prod; |
3092 | rxr->rx_pg_cons = pg_cons; | |
1db82f2a | 3093 | } |
85833c62 MC |
3094 | return 0; |
3095 | } | |
3096 | ||
c09c2627 | 3097 | static inline u16 |
35efa7c1 | 3098 | bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi) |
c09c2627 | 3099 | { |
bb4f98ab MC |
3100 | u16 cons; |
3101 | ||
43e80b89 MC |
3102 | /* Tell compiler that status block fields can change. */ |
3103 | barrier(); | |
3104 | cons = *bnapi->hw_rx_cons_ptr; | |
581daf7e | 3105 | barrier(); |
c09c2627 MC |
3106 | if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)) |
3107 | cons++; | |
3108 | return cons; | |
3109 | } | |
3110 | ||
b6016b76 | 3111 | static int |
35efa7c1 | 3112 | bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) |
b6016b76 | 3113 | { |
bb4f98ab | 3114 | struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; |
b6016b76 MC |
3115 | u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod; |
3116 | struct l2_fhdr *rx_hdr; | |
1db82f2a | 3117 | int rx_pkt = 0, pg_ring_used = 0; |
b6016b76 | 3118 | |
35efa7c1 | 3119 | hw_cons = bnx2_get_hw_rx_cons(bnapi); |
bb4f98ab MC |
3120 | sw_cons = rxr->rx_cons; |
3121 | sw_prod = rxr->rx_prod; | |
b6016b76 MC |
3122 | |
3123 | /* Memory barrier necessary as speculative reads of the rx | |
3124 | * buffer can be ahead of the index in the status block | |
3125 | */ | |
3126 | rmb(); | |
3127 | while (sw_cons != hw_cons) { | |
1db82f2a | 3128 | unsigned int len, hdr_len; |
ade2bfe7 | 3129 | u32 status; |
a33fa66b | 3130 | struct sw_bd *rx_buf, *next_rx_buf; |
b6016b76 | 3131 | struct sk_buff *skb; |
236b6394 | 3132 | dma_addr_t dma_addr; |
b6016b76 MC |
3133 | |
3134 | sw_ring_cons = RX_RING_IDX(sw_cons); | |
3135 | sw_ring_prod = RX_RING_IDX(sw_prod); | |
3136 | ||
bb4f98ab | 3137 | rx_buf = &rxr->rx_buf_ring[sw_ring_cons]; |
b6016b76 | 3138 | skb = rx_buf->skb; |
a33fa66b | 3139 | prefetchw(skb); |
236b6394 | 3140 | |
aabef8b2 FT |
3141 | next_rx_buf = |
3142 | &rxr->rx_buf_ring[RX_RING_IDX(NEXT_RX_BD(sw_cons))]; | |
3143 | prefetch(next_rx_buf->desc); | |
3144 | ||
236b6394 MC |
3145 | rx_buf->skb = NULL; |
3146 | ||
1a4ccc2d | 3147 | dma_addr = dma_unmap_addr(rx_buf, mapping); |
236b6394 | 3148 | |
36227e88 | 3149 | dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr, |
601d3d18 BL |
3150 | BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, |
3151 | PCI_DMA_FROMDEVICE); | |
b6016b76 | 3152 | |
a33fa66b | 3153 | rx_hdr = rx_buf->desc; |
1db82f2a | 3154 | len = rx_hdr->l2_fhdr_pkt_len; |
990ec380 | 3155 | status = rx_hdr->l2_fhdr_status; |
b6016b76 | 3156 | |
1db82f2a MC |
3157 | hdr_len = 0; |
3158 | if (status & L2_FHDR_STATUS_SPLIT) { | |
3159 | hdr_len = rx_hdr->l2_fhdr_ip_xsum; | |
3160 | pg_ring_used = 1; | |
3161 | } else if (len > bp->rx_jumbo_thresh) { | |
3162 | hdr_len = bp->rx_jumbo_thresh; | |
3163 | pg_ring_used = 1; | |
3164 | } | |
3165 | ||
990ec380 MC |
3166 | if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC | |
3167 | L2_FHDR_ERRORS_PHY_DECODE | | |
3168 | L2_FHDR_ERRORS_ALIGNMENT | | |
3169 | L2_FHDR_ERRORS_TOO_SHORT | | |
3170 | L2_FHDR_ERRORS_GIANT_FRAME))) { | |
3171 | ||
3172 | bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons, | |
3173 | sw_ring_prod); | |
3174 | if (pg_ring_used) { | |
3175 | int pages; | |
3176 | ||
3177 | pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT; | |
3178 | ||
3179 | bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages); | |
3180 | } | |
3181 | goto next_rx; | |
3182 | } | |
3183 | ||
1db82f2a | 3184 | len -= 4; |
b6016b76 | 3185 | |
5d5d0015 | 3186 | if (len <= bp->rx_copy_thresh) { |
b6016b76 MC |
3187 | struct sk_buff *new_skb; |
3188 | ||
f22828e8 | 3189 | new_skb = netdev_alloc_skb(bp->dev, len + 6); |
85833c62 | 3190 | if (new_skb == NULL) { |
bb4f98ab | 3191 | bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons, |
85833c62 MC |
3192 | sw_ring_prod); |
3193 | goto next_rx; | |
3194 | } | |
b6016b76 MC |
3195 | |
3196 | /* aligned copy */ | |
d89cb6af | 3197 | skb_copy_from_linear_data_offset(skb, |
f22828e8 MC |
3198 | BNX2_RX_OFFSET - 6, |
3199 | new_skb->data, len + 6); | |
3200 | skb_reserve(new_skb, 6); | |
b6016b76 | 3201 | skb_put(new_skb, len); |
b6016b76 | 3202 | |
bb4f98ab | 3203 | bnx2_reuse_rx_skb(bp, rxr, skb, |
b6016b76 MC |
3204 | sw_ring_cons, sw_ring_prod); |
3205 | ||
3206 | skb = new_skb; | |
bb4f98ab | 3207 | } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len, |
a1f60190 | 3208 | dma_addr, (sw_ring_cons << 16) | sw_ring_prod))) |
b6016b76 | 3209 | goto next_rx; |
b6016b76 | 3210 | |
f22828e8 | 3211 | if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && |
7d0fd211 JG |
3212 | !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) |
3213 | __vlan_hwaccel_put_tag(skb, rx_hdr->l2_fhdr_vlan_tag); | |
f22828e8 | 3214 | |
b6016b76 MC |
3215 | skb->protocol = eth_type_trans(skb, bp->dev); |
3216 | ||
3217 | if ((len > (bp->dev->mtu + ETH_HLEN)) && | |
d1e100ba | 3218 | (ntohs(skb->protocol) != 0x8100)) { |
b6016b76 | 3219 | |
745720e5 | 3220 | dev_kfree_skb(skb); |
b6016b76 MC |
3221 | goto next_rx; |
3222 | ||
3223 | } | |
3224 | ||
bc8acf2c | 3225 | skb_checksum_none_assert(skb); |
8d7dfc2b | 3226 | if ((bp->dev->features & NETIF_F_RXCSUM) && |
b6016b76 MC |
3227 | (status & (L2_FHDR_STATUS_TCP_SEGMENT | |
3228 | L2_FHDR_STATUS_UDP_DATAGRAM))) { | |
3229 | ||
ade2bfe7 MC |
3230 | if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM | |
3231 | L2_FHDR_ERRORS_UDP_XSUM)) == 0)) | |
b6016b76 MC |
3232 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
3233 | } | |
fdc8541d MC |
3234 | if ((bp->dev->features & NETIF_F_RXHASH) && |
3235 | ((status & L2_FHDR_STATUS_USE_RXHASH) == | |
3236 | L2_FHDR_STATUS_USE_RXHASH)) | |
3237 | skb->rxhash = rx_hdr->l2_fhdr_hash; | |
b6016b76 | 3238 | |
0c8dfc83 | 3239 | skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]); |
7d0fd211 | 3240 | napi_gro_receive(&bnapi->napi, skb); |
b6016b76 MC |
3241 | rx_pkt++; |
3242 | ||
3243 | next_rx: | |
b6016b76 MC |
3244 | sw_cons = NEXT_RX_BD(sw_cons); |
3245 | sw_prod = NEXT_RX_BD(sw_prod); | |
3246 | ||
3247 | if ((rx_pkt == budget)) | |
3248 | break; | |
f4e418f7 MC |
3249 | |
3250 | /* Refresh hw_cons to see if there is new work */ | |
3251 | if (sw_cons == hw_cons) { | |
35efa7c1 | 3252 | hw_cons = bnx2_get_hw_rx_cons(bnapi); |
f4e418f7 MC |
3253 | rmb(); |
3254 | } | |
b6016b76 | 3255 | } |
bb4f98ab MC |
3256 | rxr->rx_cons = sw_cons; |
3257 | rxr->rx_prod = sw_prod; | |
b6016b76 | 3258 | |
1db82f2a | 3259 | if (pg_ring_used) |
bb4f98ab | 3260 | REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod); |
1db82f2a | 3261 | |
bb4f98ab | 3262 | REG_WR16(bp, rxr->rx_bidx_addr, sw_prod); |
b6016b76 | 3263 | |
bb4f98ab | 3264 | REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq); |
b6016b76 MC |
3265 | |
3266 | mmiowb(); | |
3267 | ||
3268 | return rx_pkt; | |
3269 | ||
3270 | } | |
3271 | ||
3272 | /* MSI ISR - The only difference between this and the INTx ISR | |
3273 | * is that the MSI interrupt is always serviced. | |
3274 | */ | |
3275 | static irqreturn_t | |
7d12e780 | 3276 | bnx2_msi(int irq, void *dev_instance) |
b6016b76 | 3277 | { |
f0ea2e63 MC |
3278 | struct bnx2_napi *bnapi = dev_instance; |
3279 | struct bnx2 *bp = bnapi->bp; | |
b6016b76 | 3280 | |
43e80b89 | 3281 | prefetch(bnapi->status_blk.msi); |
b6016b76 MC |
3282 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, |
3283 | BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM | | |
3284 | BNX2_PCICFG_INT_ACK_CMD_MASK_INT); | |
3285 | ||
3286 | /* Return here if interrupt is disabled. */ | |
73eef4cd MC |
3287 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) |
3288 | return IRQ_HANDLED; | |
b6016b76 | 3289 | |
288379f0 | 3290 | napi_schedule(&bnapi->napi); |
b6016b76 | 3291 | |
73eef4cd | 3292 | return IRQ_HANDLED; |
b6016b76 MC |
3293 | } |
3294 | ||
8e6a72c4 MC |
3295 | static irqreturn_t |
3296 | bnx2_msi_1shot(int irq, void *dev_instance) | |
3297 | { | |
f0ea2e63 MC |
3298 | struct bnx2_napi *bnapi = dev_instance; |
3299 | struct bnx2 *bp = bnapi->bp; | |
8e6a72c4 | 3300 | |
43e80b89 | 3301 | prefetch(bnapi->status_blk.msi); |
8e6a72c4 MC |
3302 | |
3303 | /* Return here if interrupt is disabled. */ | |
3304 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) | |
3305 | return IRQ_HANDLED; | |
3306 | ||
288379f0 | 3307 | napi_schedule(&bnapi->napi); |
8e6a72c4 MC |
3308 | |
3309 | return IRQ_HANDLED; | |
3310 | } | |
3311 | ||
b6016b76 | 3312 | static irqreturn_t |
7d12e780 | 3313 | bnx2_interrupt(int irq, void *dev_instance) |
b6016b76 | 3314 | { |
f0ea2e63 MC |
3315 | struct bnx2_napi *bnapi = dev_instance; |
3316 | struct bnx2 *bp = bnapi->bp; | |
43e80b89 | 3317 | struct status_block *sblk = bnapi->status_blk.msi; |
b6016b76 MC |
3318 | |
3319 | /* When using INTx, it is possible for the interrupt to arrive | |
3320 | * at the CPU before the status block posted prior to the | |
3321 | * interrupt. Reading a register will flush the status block. | |
3322 | * When using MSI, the MSI message will always complete after | |
3323 | * the status block write. | |
3324 | */ | |
35efa7c1 | 3325 | if ((sblk->status_idx == bnapi->last_status_idx) && |
b6016b76 MC |
3326 | (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) & |
3327 | BNX2_PCICFG_MISC_STATUS_INTA_VALUE)) | |
73eef4cd | 3328 | return IRQ_NONE; |
b6016b76 MC |
3329 | |
3330 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, | |
3331 | BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM | | |
3332 | BNX2_PCICFG_INT_ACK_CMD_MASK_INT); | |
3333 | ||
b8a7ce7b MC |
3334 | /* Read back to deassert IRQ immediately to avoid too many |
3335 | * spurious interrupts. | |
3336 | */ | |
3337 | REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD); | |
3338 | ||
b6016b76 | 3339 | /* Return here if interrupt is shared and is disabled. */ |
73eef4cd MC |
3340 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) |
3341 | return IRQ_HANDLED; | |
b6016b76 | 3342 | |
288379f0 | 3343 | if (napi_schedule_prep(&bnapi->napi)) { |
35efa7c1 | 3344 | bnapi->last_status_idx = sblk->status_idx; |
288379f0 | 3345 | __napi_schedule(&bnapi->napi); |
b8a7ce7b | 3346 | } |
b6016b76 | 3347 | |
73eef4cd | 3348 | return IRQ_HANDLED; |
b6016b76 MC |
3349 | } |
3350 | ||
f4e418f7 | 3351 | static inline int |
43e80b89 | 3352 | bnx2_has_fast_work(struct bnx2_napi *bnapi) |
f4e418f7 | 3353 | { |
35e9010b | 3354 | struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; |
bb4f98ab | 3355 | struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; |
f4e418f7 | 3356 | |
bb4f98ab | 3357 | if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) || |
35e9010b | 3358 | (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)) |
f4e418f7 | 3359 | return 1; |
43e80b89 MC |
3360 | return 0; |
3361 | } | |
3362 | ||
3363 | #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \ | |
3364 | STATUS_ATTN_BITS_TIMER_ABORT) | |
3365 | ||
3366 | static inline int | |
3367 | bnx2_has_work(struct bnx2_napi *bnapi) | |
3368 | { | |
3369 | struct status_block *sblk = bnapi->status_blk.msi; | |
3370 | ||
3371 | if (bnx2_has_fast_work(bnapi)) | |
3372 | return 1; | |
f4e418f7 | 3373 | |
4edd473f MC |
3374 | #ifdef BCM_CNIC |
3375 | if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx)) | |
3376 | return 1; | |
3377 | #endif | |
3378 | ||
da3e4fbe MC |
3379 | if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) != |
3380 | (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS)) | |
f4e418f7 MC |
3381 | return 1; |
3382 | ||
3383 | return 0; | |
3384 | } | |
3385 | ||
efba0180 MC |
3386 | static void |
3387 | bnx2_chk_missed_msi(struct bnx2 *bp) | |
3388 | { | |
3389 | struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; | |
3390 | u32 msi_ctrl; | |
3391 | ||
3392 | if (bnx2_has_work(bnapi)) { | |
3393 | msi_ctrl = REG_RD(bp, BNX2_PCICFG_MSI_CONTROL); | |
3394 | if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE)) | |
3395 | return; | |
3396 | ||
3397 | if (bnapi->last_status_idx == bp->idle_chk_status_idx) { | |
3398 | REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl & | |
3399 | ~BNX2_PCICFG_MSI_CONTROL_ENABLE); | |
3400 | REG_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl); | |
3401 | bnx2_msi(bp->irq_tbl[0].vector, bnapi); | |
3402 | } | |
3403 | } | |
3404 | ||
3405 | bp->idle_chk_status_idx = bnapi->last_status_idx; | |
3406 | } | |
3407 | ||
4edd473f MC |
3408 | #ifdef BCM_CNIC |
3409 | static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi) | |
3410 | { | |
3411 | struct cnic_ops *c_ops; | |
3412 | ||
3413 | if (!bnapi->cnic_present) | |
3414 | return; | |
3415 | ||
3416 | rcu_read_lock(); | |
3417 | c_ops = rcu_dereference(bp->cnic_ops); | |
3418 | if (c_ops) | |
3419 | bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data, | |
3420 | bnapi->status_blk.msi); | |
3421 | rcu_read_unlock(); | |
3422 | } | |
3423 | #endif | |
3424 | ||
43e80b89 | 3425 | static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi) |
b6016b76 | 3426 | { |
43e80b89 | 3427 | struct status_block *sblk = bnapi->status_blk.msi; |
da3e4fbe MC |
3428 | u32 status_attn_bits = sblk->status_attn_bits; |
3429 | u32 status_attn_bits_ack = sblk->status_attn_bits_ack; | |
b6016b76 | 3430 | |
da3e4fbe MC |
3431 | if ((status_attn_bits & STATUS_ATTN_EVENTS) != |
3432 | (status_attn_bits_ack & STATUS_ATTN_EVENTS)) { | |
b6016b76 | 3433 | |
35efa7c1 | 3434 | bnx2_phy_int(bp, bnapi); |
bf5295bb MC |
3435 | |
3436 | /* This is needed to take care of transient status | |
3437 | * during link changes. | |
3438 | */ | |
3439 | REG_WR(bp, BNX2_HC_COMMAND, | |
3440 | bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); | |
3441 | REG_RD(bp, BNX2_HC_COMMAND); | |
b6016b76 | 3442 | } |
43e80b89 MC |
3443 | } |
3444 | ||
3445 | static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi, | |
3446 | int work_done, int budget) | |
3447 | { | |
3448 | struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; | |
3449 | struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; | |
b6016b76 | 3450 | |
35e9010b | 3451 | if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons) |
57851d84 | 3452 | bnx2_tx_int(bp, bnapi, 0); |
b6016b76 | 3453 | |
bb4f98ab | 3454 | if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) |
35efa7c1 | 3455 | work_done += bnx2_rx_int(bp, bnapi, budget - work_done); |
6aa20a22 | 3456 | |
6f535763 DM |
3457 | return work_done; |
3458 | } | |
3459 | ||
f0ea2e63 MC |
3460 | static int bnx2_poll_msix(struct napi_struct *napi, int budget) |
3461 | { | |
3462 | struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi); | |
3463 | struct bnx2 *bp = bnapi->bp; | |
3464 | int work_done = 0; | |
3465 | struct status_block_msix *sblk = bnapi->status_blk.msix; | |
3466 | ||
3467 | while (1) { | |
3468 | work_done = bnx2_poll_work(bp, bnapi, work_done, budget); | |
3469 | if (unlikely(work_done >= budget)) | |
3470 | break; | |
3471 | ||
3472 | bnapi->last_status_idx = sblk->status_idx; | |
3473 | /* status idx must be read before checking for more work. */ | |
3474 | rmb(); | |
3475 | if (likely(!bnx2_has_fast_work(bnapi))) { | |
3476 | ||
288379f0 | 3477 | napi_complete(napi); |
f0ea2e63 MC |
3478 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num | |
3479 | BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | | |
3480 | bnapi->last_status_idx); | |
3481 | break; | |
3482 | } | |
3483 | } | |
3484 | return work_done; | |
3485 | } | |
3486 | ||
6f535763 DM |
3487 | static int bnx2_poll(struct napi_struct *napi, int budget) |
3488 | { | |
35efa7c1 MC |
3489 | struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi); |
3490 | struct bnx2 *bp = bnapi->bp; | |
6f535763 | 3491 | int work_done = 0; |
43e80b89 | 3492 | struct status_block *sblk = bnapi->status_blk.msi; |
6f535763 DM |
3493 | |
3494 | while (1) { | |
43e80b89 MC |
3495 | bnx2_poll_link(bp, bnapi); |
3496 | ||
35efa7c1 | 3497 | work_done = bnx2_poll_work(bp, bnapi, work_done, budget); |
f4e418f7 | 3498 | |
4edd473f MC |
3499 | #ifdef BCM_CNIC |
3500 | bnx2_poll_cnic(bp, bnapi); | |
3501 | #endif | |
3502 | ||
35efa7c1 | 3503 | /* bnapi->last_status_idx is used below to tell the hw how |
6dee6421 MC |
3504 | * much work has been processed, so we must read it before |
3505 | * checking for more work. | |
3506 | */ | |
35efa7c1 | 3507 | bnapi->last_status_idx = sblk->status_idx; |
efba0180 MC |
3508 | |
3509 | if (unlikely(work_done >= budget)) | |
3510 | break; | |
3511 | ||
6dee6421 | 3512 | rmb(); |
35efa7c1 | 3513 | if (likely(!bnx2_has_work(bnapi))) { |
288379f0 | 3514 | napi_complete(napi); |
f86e82fb | 3515 | if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) { |
6f535763 DM |
3516 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, |
3517 | BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | | |
35efa7c1 | 3518 | bnapi->last_status_idx); |
6dee6421 | 3519 | break; |
6f535763 | 3520 | } |
1269a8a6 MC |
3521 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, |
3522 | BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | | |
6f535763 | 3523 | BNX2_PCICFG_INT_ACK_CMD_MASK_INT | |
35efa7c1 | 3524 | bnapi->last_status_idx); |
1269a8a6 | 3525 | |
6f535763 DM |
3526 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, |
3527 | BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | | |
35efa7c1 | 3528 | bnapi->last_status_idx); |
6f535763 DM |
3529 | break; |
3530 | } | |
b6016b76 MC |
3531 | } |
3532 | ||
bea3348e | 3533 | return work_done; |
b6016b76 MC |
3534 | } |
3535 | ||
932ff279 | 3536 | /* Called with rtnl_lock from vlan functions and also netif_tx_lock |
b6016b76 MC |
3537 | * from set_multicast. |
3538 | */ | |
3539 | static void | |
3540 | bnx2_set_rx_mode(struct net_device *dev) | |
3541 | { | |
972ec0d4 | 3542 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 3543 | u32 rx_mode, sort_mode; |
ccffad25 | 3544 | struct netdev_hw_addr *ha; |
b6016b76 | 3545 | int i; |
b6016b76 | 3546 | |
9f52b564 MC |
3547 | if (!netif_running(dev)) |
3548 | return; | |
3549 | ||
c770a65c | 3550 | spin_lock_bh(&bp->phy_lock); |
b6016b76 MC |
3551 | |
3552 | rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS | | |
3553 | BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG); | |
3554 | sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN; | |
7d0fd211 JG |
3555 | if (!(dev->features & NETIF_F_HW_VLAN_RX) && |
3556 | (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)) | |
b6016b76 | 3557 | rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG; |
b6016b76 MC |
3558 | if (dev->flags & IFF_PROMISC) { |
3559 | /* Promiscuous mode. */ | |
3560 | rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS; | |
7510873d MC |
3561 | sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN | |
3562 | BNX2_RPM_SORT_USER0_PROM_VLAN; | |
b6016b76 MC |
3563 | } |
3564 | else if (dev->flags & IFF_ALLMULTI) { | |
3565 | for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { | |
3566 | REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4), | |
3567 | 0xffffffff); | |
3568 | } | |
3569 | sort_mode |= BNX2_RPM_SORT_USER0_MC_EN; | |
3570 | } | |
3571 | else { | |
3572 | /* Accept one or more multicast(s). */ | |
b6016b76 MC |
3573 | u32 mc_filter[NUM_MC_HASH_REGISTERS]; |
3574 | u32 regidx; | |
3575 | u32 bit; | |
3576 | u32 crc; | |
3577 | ||
3578 | memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS); | |
3579 | ||
22bedad3 JP |
3580 | netdev_for_each_mc_addr(ha, dev) { |
3581 | crc = ether_crc_le(ETH_ALEN, ha->addr); | |
b6016b76 MC |
3582 | bit = crc & 0xff; |
3583 | regidx = (bit & 0xe0) >> 5; | |
3584 | bit &= 0x1f; | |
3585 | mc_filter[regidx] |= (1 << bit); | |
3586 | } | |
3587 | ||
3588 | for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { | |
3589 | REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4), | |
3590 | mc_filter[i]); | |
3591 | } | |
3592 | ||
3593 | sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN; | |
3594 | } | |
3595 | ||
32e7bfc4 | 3596 | if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) { |
5fcaed01 BL |
3597 | rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS; |
3598 | sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN | | |
3599 | BNX2_RPM_SORT_USER0_PROM_VLAN; | |
3600 | } else if (!(dev->flags & IFF_PROMISC)) { | |
5fcaed01 | 3601 | /* Add all entries into to the match filter list */ |
ccffad25 | 3602 | i = 0; |
32e7bfc4 | 3603 | netdev_for_each_uc_addr(ha, dev) { |
ccffad25 | 3604 | bnx2_set_mac_addr(bp, ha->addr, |
5fcaed01 BL |
3605 | i + BNX2_START_UNICAST_ADDRESS_INDEX); |
3606 | sort_mode |= (1 << | |
3607 | (i + BNX2_START_UNICAST_ADDRESS_INDEX)); | |
ccffad25 | 3608 | i++; |
5fcaed01 BL |
3609 | } |
3610 | ||
3611 | } | |
3612 | ||
b6016b76 MC |
3613 | if (rx_mode != bp->rx_mode) { |
3614 | bp->rx_mode = rx_mode; | |
3615 | REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode); | |
3616 | } | |
3617 | ||
3618 | REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0); | |
3619 | REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode); | |
3620 | REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA); | |
3621 | ||
c770a65c | 3622 | spin_unlock_bh(&bp->phy_lock); |
b6016b76 MC |
3623 | } |
3624 | ||
57579f76 MC |
3625 | static int __devinit |
3626 | check_fw_section(const struct firmware *fw, | |
3627 | const struct bnx2_fw_file_section *section, | |
3628 | u32 alignment, bool non_empty) | |
3629 | { | |
3630 | u32 offset = be32_to_cpu(section->offset); | |
3631 | u32 len = be32_to_cpu(section->len); | |
3632 | ||
3633 | if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3) | |
3634 | return -EINVAL; | |
3635 | if ((non_empty && len == 0) || len > fw->size - offset || | |
3636 | len & (alignment - 1)) | |
3637 | return -EINVAL; | |
3638 | return 0; | |
3639 | } | |
3640 | ||
3641 | static int __devinit | |
3642 | check_mips_fw_entry(const struct firmware *fw, | |
3643 | const struct bnx2_mips_fw_file_entry *entry) | |
3644 | { | |
3645 | if (check_fw_section(fw, &entry->text, 4, true) || | |
3646 | check_fw_section(fw, &entry->data, 4, false) || | |
3647 | check_fw_section(fw, &entry->rodata, 4, false)) | |
3648 | return -EINVAL; | |
3649 | return 0; | |
3650 | } | |
3651 | ||
3652 | static int __devinit | |
3653 | bnx2_request_firmware(struct bnx2 *bp) | |
b6016b76 | 3654 | { |
57579f76 | 3655 | const char *mips_fw_file, *rv2p_fw_file; |
5ee1c326 BB |
3656 | const struct bnx2_mips_fw_file *mips_fw; |
3657 | const struct bnx2_rv2p_fw_file *rv2p_fw; | |
57579f76 MC |
3658 | int rc; |
3659 | ||
3660 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { | |
3661 | mips_fw_file = FW_MIPS_FILE_09; | |
078b0735 MC |
3662 | if ((CHIP_ID(bp) == CHIP_ID_5709_A0) || |
3663 | (CHIP_ID(bp) == CHIP_ID_5709_A1)) | |
3664 | rv2p_fw_file = FW_RV2P_FILE_09_Ax; | |
3665 | else | |
3666 | rv2p_fw_file = FW_RV2P_FILE_09; | |
57579f76 MC |
3667 | } else { |
3668 | mips_fw_file = FW_MIPS_FILE_06; | |
3669 | rv2p_fw_file = FW_RV2P_FILE_06; | |
3670 | } | |
3671 | ||
3672 | rc = request_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev); | |
3673 | if (rc) { | |
3a9c6a49 | 3674 | pr_err("Can't load firmware file \"%s\"\n", mips_fw_file); |
57579f76 MC |
3675 | return rc; |
3676 | } | |
3677 | ||
3678 | rc = request_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev); | |
3679 | if (rc) { | |
3a9c6a49 | 3680 | pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file); |
57579f76 MC |
3681 | return rc; |
3682 | } | |
5ee1c326 BB |
3683 | mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data; |
3684 | rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data; | |
3685 | if (bp->mips_firmware->size < sizeof(*mips_fw) || | |
3686 | check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) || | |
3687 | check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) || | |
3688 | check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) || | |
3689 | check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) || | |
3690 | check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) { | |
3a9c6a49 | 3691 | pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file); |
57579f76 MC |
3692 | return -EINVAL; |
3693 | } | |
5ee1c326 BB |
3694 | if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) || |
3695 | check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) || | |
3696 | check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) { | |
3a9c6a49 | 3697 | pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file); |
57579f76 MC |
3698 | return -EINVAL; |
3699 | } | |
3700 | ||
3701 | return 0; | |
3702 | } | |
3703 | ||
3704 | static u32 | |
3705 | rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code) | |
3706 | { | |
3707 | switch (idx) { | |
3708 | case RV2P_P1_FIXUP_PAGE_SIZE_IDX: | |
3709 | rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK; | |
3710 | rv2p_code |= RV2P_BD_PAGE_SIZE; | |
3711 | break; | |
3712 | } | |
3713 | return rv2p_code; | |
3714 | } | |
3715 | ||
3716 | static int | |
3717 | load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc, | |
3718 | const struct bnx2_rv2p_fw_file_entry *fw_entry) | |
3719 | { | |
3720 | u32 rv2p_code_len, file_offset; | |
3721 | __be32 *rv2p_code; | |
b6016b76 | 3722 | int i; |
57579f76 MC |
3723 | u32 val, cmd, addr; |
3724 | ||
3725 | rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len); | |
3726 | file_offset = be32_to_cpu(fw_entry->rv2p.offset); | |
3727 | ||
3728 | rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset); | |
b6016b76 | 3729 | |
57579f76 MC |
3730 | if (rv2p_proc == RV2P_PROC1) { |
3731 | cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR; | |
3732 | addr = BNX2_RV2P_PROC1_ADDR_CMD; | |
3733 | } else { | |
3734 | cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR; | |
3735 | addr = BNX2_RV2P_PROC2_ADDR_CMD; | |
d25be1d3 | 3736 | } |
b6016b76 MC |
3737 | |
3738 | for (i = 0; i < rv2p_code_len; i += 8) { | |
57579f76 | 3739 | REG_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code)); |
b6016b76 | 3740 | rv2p_code++; |
57579f76 | 3741 | REG_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code)); |
b6016b76 MC |
3742 | rv2p_code++; |
3743 | ||
57579f76 MC |
3744 | val = (i / 8) | cmd; |
3745 | REG_WR(bp, addr, val); | |
3746 | } | |
3747 | ||
3748 | rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset); | |
3749 | for (i = 0; i < 8; i++) { | |
3750 | u32 loc, code; | |
3751 | ||
3752 | loc = be32_to_cpu(fw_entry->fixup[i]); | |
3753 | if (loc && ((loc * 4) < rv2p_code_len)) { | |
3754 | code = be32_to_cpu(*(rv2p_code + loc - 1)); | |
3755 | REG_WR(bp, BNX2_RV2P_INSTR_HIGH, code); | |
3756 | code = be32_to_cpu(*(rv2p_code + loc)); | |
3757 | code = rv2p_fw_fixup(rv2p_proc, i, loc, code); | |
3758 | REG_WR(bp, BNX2_RV2P_INSTR_LOW, code); | |
3759 | ||
3760 | val = (loc / 2) | cmd; | |
3761 | REG_WR(bp, addr, val); | |
b6016b76 MC |
3762 | } |
3763 | } | |
3764 | ||
3765 | /* Reset the processor, un-stall is done later. */ | |
3766 | if (rv2p_proc == RV2P_PROC1) { | |
3767 | REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET); | |
3768 | } | |
3769 | else { | |
3770 | REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET); | |
3771 | } | |
57579f76 MC |
3772 | |
3773 | return 0; | |
b6016b76 MC |
3774 | } |
3775 | ||
af3ee519 | 3776 | static int |
57579f76 MC |
3777 | load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, |
3778 | const struct bnx2_mips_fw_file_entry *fw_entry) | |
b6016b76 | 3779 | { |
57579f76 MC |
3780 | u32 addr, len, file_offset; |
3781 | __be32 *data; | |
b6016b76 MC |
3782 | u32 offset; |
3783 | u32 val; | |
3784 | ||
3785 | /* Halt the CPU. */ | |
2726d6e1 | 3786 | val = bnx2_reg_rd_ind(bp, cpu_reg->mode); |
b6016b76 | 3787 | val |= cpu_reg->mode_value_halt; |
2726d6e1 MC |
3788 | bnx2_reg_wr_ind(bp, cpu_reg->mode, val); |
3789 | bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear); | |
b6016b76 MC |
3790 | |
3791 | /* Load the Text area. */ | |
57579f76 MC |
3792 | addr = be32_to_cpu(fw_entry->text.addr); |
3793 | len = be32_to_cpu(fw_entry->text.len); | |
3794 | file_offset = be32_to_cpu(fw_entry->text.offset); | |
3795 | data = (__be32 *)(bp->mips_firmware->data + file_offset); | |
ea1f8d5c | 3796 | |
57579f76 MC |
3797 | offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base); |
3798 | if (len) { | |
b6016b76 MC |
3799 | int j; |
3800 | ||
57579f76 MC |
3801 | for (j = 0; j < (len / 4); j++, offset += 4) |
3802 | bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j])); | |
b6016b76 MC |
3803 | } |
3804 | ||
57579f76 MC |
3805 | /* Load the Data area. */ |
3806 | addr = be32_to_cpu(fw_entry->data.addr); | |
3807 | len = be32_to_cpu(fw_entry->data.len); | |
3808 | file_offset = be32_to_cpu(fw_entry->data.offset); | |
3809 | data = (__be32 *)(bp->mips_firmware->data + file_offset); | |
b6016b76 | 3810 | |
57579f76 MC |
3811 | offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base); |
3812 | if (len) { | |
b6016b76 MC |
3813 | int j; |
3814 | ||
57579f76 MC |
3815 | for (j = 0; j < (len / 4); j++, offset += 4) |
3816 | bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j])); | |
b6016b76 MC |
3817 | } |
3818 | ||
3819 | /* Load the Read-Only area. */ | |
57579f76 MC |
3820 | addr = be32_to_cpu(fw_entry->rodata.addr); |
3821 | len = be32_to_cpu(fw_entry->rodata.len); | |
3822 | file_offset = be32_to_cpu(fw_entry->rodata.offset); | |
3823 | data = (__be32 *)(bp->mips_firmware->data + file_offset); | |
3824 | ||
3825 | offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base); | |
3826 | if (len) { | |
b6016b76 MC |
3827 | int j; |
3828 | ||
57579f76 MC |
3829 | for (j = 0; j < (len / 4); j++, offset += 4) |
3830 | bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j])); | |
b6016b76 MC |
3831 | } |
3832 | ||
3833 | /* Clear the pre-fetch instruction. */ | |
2726d6e1 | 3834 | bnx2_reg_wr_ind(bp, cpu_reg->inst, 0); |
57579f76 MC |
3835 | |
3836 | val = be32_to_cpu(fw_entry->start_addr); | |
3837 | bnx2_reg_wr_ind(bp, cpu_reg->pc, val); | |
b6016b76 MC |
3838 | |
3839 | /* Start the CPU. */ | |
2726d6e1 | 3840 | val = bnx2_reg_rd_ind(bp, cpu_reg->mode); |
b6016b76 | 3841 | val &= ~cpu_reg->mode_value_halt; |
2726d6e1 MC |
3842 | bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear); |
3843 | bnx2_reg_wr_ind(bp, cpu_reg->mode, val); | |
af3ee519 MC |
3844 | |
3845 | return 0; | |
b6016b76 MC |
3846 | } |
3847 | ||
fba9fe91 | 3848 | static int |
b6016b76 MC |
3849 | bnx2_init_cpus(struct bnx2 *bp) |
3850 | { | |
57579f76 MC |
3851 | const struct bnx2_mips_fw_file *mips_fw = |
3852 | (const struct bnx2_mips_fw_file *) bp->mips_firmware->data; | |
3853 | const struct bnx2_rv2p_fw_file *rv2p_fw = | |
3854 | (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data; | |
3855 | int rc; | |
b6016b76 MC |
3856 | |
3857 | /* Initialize the RV2P processor. */ | |
57579f76 MC |
3858 | load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1); |
3859 | load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2); | |
b6016b76 MC |
3860 | |
3861 | /* Initialize the RX Processor. */ | |
57579f76 | 3862 | rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp); |
fba9fe91 MC |
3863 | if (rc) |
3864 | goto init_cpu_err; | |
3865 | ||
b6016b76 | 3866 | /* Initialize the TX Processor. */ |
57579f76 | 3867 | rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp); |
fba9fe91 MC |
3868 | if (rc) |
3869 | goto init_cpu_err; | |
3870 | ||
b6016b76 | 3871 | /* Initialize the TX Patch-up Processor. */ |
57579f76 | 3872 | rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat); |
fba9fe91 MC |
3873 | if (rc) |
3874 | goto init_cpu_err; | |
3875 | ||
b6016b76 | 3876 | /* Initialize the Completion Processor. */ |
57579f76 | 3877 | rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com); |
fba9fe91 MC |
3878 | if (rc) |
3879 | goto init_cpu_err; | |
3880 | ||
d43584c8 | 3881 | /* Initialize the Command Processor. */ |
57579f76 | 3882 | rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp); |
b6016b76 | 3883 | |
fba9fe91 | 3884 | init_cpu_err: |
fba9fe91 | 3885 | return rc; |
b6016b76 MC |
3886 | } |
3887 | ||
3888 | static int | |
829ca9a3 | 3889 | bnx2_set_power_state(struct bnx2 *bp, pci_power_t state) |
b6016b76 MC |
3890 | { |
3891 | u16 pmcsr; | |
3892 | ||
3893 | pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr); | |
3894 | ||
3895 | switch (state) { | |
829ca9a3 | 3896 | case PCI_D0: { |
b6016b76 MC |
3897 | u32 val; |
3898 | ||
3899 | pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, | |
3900 | (pmcsr & ~PCI_PM_CTRL_STATE_MASK) | | |
3901 | PCI_PM_CTRL_PME_STATUS); | |
3902 | ||
3903 | if (pmcsr & PCI_PM_CTRL_STATE_MASK) | |
3904 | /* delay required during transition out of D3hot */ | |
3905 | msleep(20); | |
3906 | ||
3907 | val = REG_RD(bp, BNX2_EMAC_MODE); | |
3908 | val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD; | |
3909 | val &= ~BNX2_EMAC_MODE_MPKT; | |
3910 | REG_WR(bp, BNX2_EMAC_MODE, val); | |
3911 | ||
3912 | val = REG_RD(bp, BNX2_RPM_CONFIG); | |
3913 | val &= ~BNX2_RPM_CONFIG_ACPI_ENA; | |
3914 | REG_WR(bp, BNX2_RPM_CONFIG, val); | |
3915 | break; | |
3916 | } | |
829ca9a3 | 3917 | case PCI_D3hot: { |
b6016b76 MC |
3918 | int i; |
3919 | u32 val, wol_msg; | |
3920 | ||
3921 | if (bp->wol) { | |
3922 | u32 advertising; | |
3923 | u8 autoneg; | |
3924 | ||
3925 | autoneg = bp->autoneg; | |
3926 | advertising = bp->advertising; | |
3927 | ||
239cd343 MC |
3928 | if (bp->phy_port == PORT_TP) { |
3929 | bp->autoneg = AUTONEG_SPEED; | |
3930 | bp->advertising = ADVERTISED_10baseT_Half | | |
3931 | ADVERTISED_10baseT_Full | | |
3932 | ADVERTISED_100baseT_Half | | |
3933 | ADVERTISED_100baseT_Full | | |
3934 | ADVERTISED_Autoneg; | |
3935 | } | |
b6016b76 | 3936 | |
239cd343 MC |
3937 | spin_lock_bh(&bp->phy_lock); |
3938 | bnx2_setup_phy(bp, bp->phy_port); | |
3939 | spin_unlock_bh(&bp->phy_lock); | |
b6016b76 MC |
3940 | |
3941 | bp->autoneg = autoneg; | |
3942 | bp->advertising = advertising; | |
3943 | ||
5fcaed01 | 3944 | bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0); |
b6016b76 MC |
3945 | |
3946 | val = REG_RD(bp, BNX2_EMAC_MODE); | |
3947 | ||
3948 | /* Enable port mode. */ | |
3949 | val &= ~BNX2_EMAC_MODE_PORT; | |
239cd343 | 3950 | val |= BNX2_EMAC_MODE_MPKT_RCVD | |
b6016b76 | 3951 | BNX2_EMAC_MODE_ACPI_RCVD | |
b6016b76 | 3952 | BNX2_EMAC_MODE_MPKT; |
239cd343 MC |
3953 | if (bp->phy_port == PORT_TP) |
3954 | val |= BNX2_EMAC_MODE_PORT_MII; | |
3955 | else { | |
3956 | val |= BNX2_EMAC_MODE_PORT_GMII; | |
3957 | if (bp->line_speed == SPEED_2500) | |
3958 | val |= BNX2_EMAC_MODE_25G_MODE; | |
3959 | } | |
b6016b76 MC |
3960 | |
3961 | REG_WR(bp, BNX2_EMAC_MODE, val); | |
3962 | ||
3963 | /* receive all multicast */ | |
3964 | for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { | |
3965 | REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4), | |
3966 | 0xffffffff); | |
3967 | } | |
3968 | REG_WR(bp, BNX2_EMAC_RX_MODE, | |
3969 | BNX2_EMAC_RX_MODE_SORT_MODE); | |
3970 | ||
3971 | val = 1 | BNX2_RPM_SORT_USER0_BC_EN | | |
3972 | BNX2_RPM_SORT_USER0_MC_EN; | |
3973 | REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0); | |
3974 | REG_WR(bp, BNX2_RPM_SORT_USER0, val); | |
3975 | REG_WR(bp, BNX2_RPM_SORT_USER0, val | | |
3976 | BNX2_RPM_SORT_USER0_ENA); | |
3977 | ||
3978 | /* Need to enable EMAC and RPM for WOL. */ | |
3979 | REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, | |
3980 | BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE | | |
3981 | BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE | | |
3982 | BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE); | |
3983 | ||
3984 | val = REG_RD(bp, BNX2_RPM_CONFIG); | |
3985 | val &= ~BNX2_RPM_CONFIG_ACPI_ENA; | |
3986 | REG_WR(bp, BNX2_RPM_CONFIG, val); | |
3987 | ||
3988 | wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL; | |
3989 | } | |
3990 | else { | |
3991 | wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; | |
3992 | } | |
3993 | ||
f86e82fb | 3994 | if (!(bp->flags & BNX2_FLAG_NO_WOL)) |
a2f13890 MC |
3995 | bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, |
3996 | 1, 0); | |
b6016b76 MC |
3997 | |
3998 | pmcsr &= ~PCI_PM_CTRL_STATE_MASK; | |
3999 | if ((CHIP_ID(bp) == CHIP_ID_5706_A0) || | |
4000 | (CHIP_ID(bp) == CHIP_ID_5706_A1)) { | |
4001 | ||
4002 | if (bp->wol) | |
4003 | pmcsr |= 3; | |
4004 | } | |
4005 | else { | |
4006 | pmcsr |= 3; | |
4007 | } | |
4008 | if (bp->wol) { | |
4009 | pmcsr |= PCI_PM_CTRL_PME_ENABLE; | |
4010 | } | |
4011 | pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, | |
4012 | pmcsr); | |
4013 | ||
4014 | /* No more memory access after this point until | |
4015 | * device is brought back to D0. | |
4016 | */ | |
4017 | udelay(50); | |
4018 | break; | |
4019 | } | |
4020 | default: | |
4021 | return -EINVAL; | |
4022 | } | |
4023 | return 0; | |
4024 | } | |
4025 | ||
4026 | static int | |
4027 | bnx2_acquire_nvram_lock(struct bnx2 *bp) | |
4028 | { | |
4029 | u32 val; | |
4030 | int j; | |
4031 | ||
4032 | /* Request access to the flash interface. */ | |
4033 | REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2); | |
4034 | for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { | |
4035 | val = REG_RD(bp, BNX2_NVM_SW_ARB); | |
4036 | if (val & BNX2_NVM_SW_ARB_ARB_ARB2) | |
4037 | break; | |
4038 | ||
4039 | udelay(5); | |
4040 | } | |
4041 | ||
4042 | if (j >= NVRAM_TIMEOUT_COUNT) | |
4043 | return -EBUSY; | |
4044 | ||
4045 | return 0; | |
4046 | } | |
4047 | ||
4048 | static int | |
4049 | bnx2_release_nvram_lock(struct bnx2 *bp) | |
4050 | { | |
4051 | int j; | |
4052 | u32 val; | |
4053 | ||
4054 | /* Relinquish nvram interface. */ | |
4055 | REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2); | |
4056 | ||
4057 | for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { | |
4058 | val = REG_RD(bp, BNX2_NVM_SW_ARB); | |
4059 | if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2)) | |
4060 | break; | |
4061 | ||
4062 | udelay(5); | |
4063 | } | |
4064 | ||
4065 | if (j >= NVRAM_TIMEOUT_COUNT) | |
4066 | return -EBUSY; | |
4067 | ||
4068 | return 0; | |
4069 | } | |
4070 | ||
4071 | ||
4072 | static int | |
4073 | bnx2_enable_nvram_write(struct bnx2 *bp) | |
4074 | { | |
4075 | u32 val; | |
4076 | ||
4077 | val = REG_RD(bp, BNX2_MISC_CFG); | |
4078 | REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI); | |
4079 | ||
e30372c9 | 4080 | if (bp->flash_info->flags & BNX2_NV_WREN) { |
b6016b76 MC |
4081 | int j; |
4082 | ||
4083 | REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); | |
4084 | REG_WR(bp, BNX2_NVM_COMMAND, | |
4085 | BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT); | |
4086 | ||
4087 | for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { | |
4088 | udelay(5); | |
4089 | ||
4090 | val = REG_RD(bp, BNX2_NVM_COMMAND); | |
4091 | if (val & BNX2_NVM_COMMAND_DONE) | |
4092 | break; | |
4093 | } | |
4094 | ||
4095 | if (j >= NVRAM_TIMEOUT_COUNT) | |
4096 | return -EBUSY; | |
4097 | } | |
4098 | return 0; | |
4099 | } | |
4100 | ||
4101 | static void | |
4102 | bnx2_disable_nvram_write(struct bnx2 *bp) | |
4103 | { | |
4104 | u32 val; | |
4105 | ||
4106 | val = REG_RD(bp, BNX2_MISC_CFG); | |
4107 | REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN); | |
4108 | } | |
4109 | ||
4110 | ||
4111 | static void | |
4112 | bnx2_enable_nvram_access(struct bnx2 *bp) | |
4113 | { | |
4114 | u32 val; | |
4115 | ||
4116 | val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE); | |
4117 | /* Enable both bits, even on read. */ | |
6aa20a22 | 4118 | REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, |
b6016b76 MC |
4119 | val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN); |
4120 | } | |
4121 | ||
4122 | static void | |
4123 | bnx2_disable_nvram_access(struct bnx2 *bp) | |
4124 | { | |
4125 | u32 val; | |
4126 | ||
4127 | val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE); | |
4128 | /* Disable both bits, even after read. */ | |
6aa20a22 | 4129 | REG_WR(bp, BNX2_NVM_ACCESS_ENABLE, |
b6016b76 MC |
4130 | val & ~(BNX2_NVM_ACCESS_ENABLE_EN | |
4131 | BNX2_NVM_ACCESS_ENABLE_WR_EN)); | |
4132 | } | |
4133 | ||
4134 | static int | |
4135 | bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset) | |
4136 | { | |
4137 | u32 cmd; | |
4138 | int j; | |
4139 | ||
e30372c9 | 4140 | if (bp->flash_info->flags & BNX2_NV_BUFFERED) |
b6016b76 MC |
4141 | /* Buffered flash, no erase needed */ |
4142 | return 0; | |
4143 | ||
4144 | /* Build an erase command */ | |
4145 | cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR | | |
4146 | BNX2_NVM_COMMAND_DOIT; | |
4147 | ||
4148 | /* Need to clear DONE bit separately. */ | |
4149 | REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); | |
4150 | ||
4151 | /* Address of the NVRAM to read from. */ | |
4152 | REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE); | |
4153 | ||
4154 | /* Issue an erase command. */ | |
4155 | REG_WR(bp, BNX2_NVM_COMMAND, cmd); | |
4156 | ||
4157 | /* Wait for completion. */ | |
4158 | for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { | |
4159 | u32 val; | |
4160 | ||
4161 | udelay(5); | |
4162 | ||
4163 | val = REG_RD(bp, BNX2_NVM_COMMAND); | |
4164 | if (val & BNX2_NVM_COMMAND_DONE) | |
4165 | break; | |
4166 | } | |
4167 | ||
4168 | if (j >= NVRAM_TIMEOUT_COUNT) | |
4169 | return -EBUSY; | |
4170 | ||
4171 | return 0; | |
4172 | } | |
4173 | ||
4174 | static int | |
4175 | bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags) | |
4176 | { | |
4177 | u32 cmd; | |
4178 | int j; | |
4179 | ||
4180 | /* Build the command word. */ | |
4181 | cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags; | |
4182 | ||
e30372c9 MC |
4183 | /* Calculate an offset of a buffered flash, not needed for 5709. */ |
4184 | if (bp->flash_info->flags & BNX2_NV_TRANSLATE) { | |
b6016b76 MC |
4185 | offset = ((offset / bp->flash_info->page_size) << |
4186 | bp->flash_info->page_bits) + | |
4187 | (offset % bp->flash_info->page_size); | |
4188 | } | |
4189 | ||
4190 | /* Need to clear DONE bit separately. */ | |
4191 | REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); | |
4192 | ||
4193 | /* Address of the NVRAM to read from. */ | |
4194 | REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE); | |
4195 | ||
4196 | /* Issue a read command. */ | |
4197 | REG_WR(bp, BNX2_NVM_COMMAND, cmd); | |
4198 | ||
4199 | /* Wait for completion. */ | |
4200 | for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { | |
4201 | u32 val; | |
4202 | ||
4203 | udelay(5); | |
4204 | ||
4205 | val = REG_RD(bp, BNX2_NVM_COMMAND); | |
4206 | if (val & BNX2_NVM_COMMAND_DONE) { | |
b491edd5 AV |
4207 | __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ)); |
4208 | memcpy(ret_val, &v, 4); | |
b6016b76 MC |
4209 | break; |
4210 | } | |
4211 | } | |
4212 | if (j >= NVRAM_TIMEOUT_COUNT) | |
4213 | return -EBUSY; | |
4214 | ||
4215 | return 0; | |
4216 | } | |
4217 | ||
4218 | ||
4219 | static int | |
4220 | bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags) | |
4221 | { | |
b491edd5 AV |
4222 | u32 cmd; |
4223 | __be32 val32; | |
b6016b76 MC |
4224 | int j; |
4225 | ||
4226 | /* Build the command word. */ | |
4227 | cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags; | |
4228 | ||
e30372c9 MC |
4229 | /* Calculate an offset of a buffered flash, not needed for 5709. */ |
4230 | if (bp->flash_info->flags & BNX2_NV_TRANSLATE) { | |
b6016b76 MC |
4231 | offset = ((offset / bp->flash_info->page_size) << |
4232 | bp->flash_info->page_bits) + | |
4233 | (offset % bp->flash_info->page_size); | |
4234 | } | |
4235 | ||
4236 | /* Need to clear DONE bit separately. */ | |
4237 | REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE); | |
4238 | ||
4239 | memcpy(&val32, val, 4); | |
b6016b76 MC |
4240 | |
4241 | /* Write the data. */ | |
b491edd5 | 4242 | REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32)); |
b6016b76 MC |
4243 | |
4244 | /* Address of the NVRAM to write to. */ | |
4245 | REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE); | |
4246 | ||
4247 | /* Issue the write command. */ | |
4248 | REG_WR(bp, BNX2_NVM_COMMAND, cmd); | |
4249 | ||
4250 | /* Wait for completion. */ | |
4251 | for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { | |
4252 | udelay(5); | |
4253 | ||
4254 | if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE) | |
4255 | break; | |
4256 | } | |
4257 | if (j >= NVRAM_TIMEOUT_COUNT) | |
4258 | return -EBUSY; | |
4259 | ||
4260 | return 0; | |
4261 | } | |
4262 | ||
4263 | static int | |
4264 | bnx2_init_nvram(struct bnx2 *bp) | |
4265 | { | |
4266 | u32 val; | |
e30372c9 | 4267 | int j, entry_count, rc = 0; |
0ced9d01 | 4268 | const struct flash_spec *flash; |
b6016b76 | 4269 | |
e30372c9 MC |
4270 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
4271 | bp->flash_info = &flash_5709; | |
4272 | goto get_flash_size; | |
4273 | } | |
4274 | ||
b6016b76 MC |
4275 | /* Determine the selected interface. */ |
4276 | val = REG_RD(bp, BNX2_NVM_CFG1); | |
4277 | ||
ff8ac609 | 4278 | entry_count = ARRAY_SIZE(flash_table); |
b6016b76 | 4279 | |
b6016b76 MC |
4280 | if (val & 0x40000000) { |
4281 | ||
4282 | /* Flash interface has been reconfigured */ | |
4283 | for (j = 0, flash = &flash_table[0]; j < entry_count; | |
37137709 MC |
4284 | j++, flash++) { |
4285 | if ((val & FLASH_BACKUP_STRAP_MASK) == | |
4286 | (flash->config1 & FLASH_BACKUP_STRAP_MASK)) { | |
b6016b76 MC |
4287 | bp->flash_info = flash; |
4288 | break; | |
4289 | } | |
4290 | } | |
4291 | } | |
4292 | else { | |
37137709 | 4293 | u32 mask; |
b6016b76 MC |
4294 | /* Not yet been reconfigured */ |
4295 | ||
37137709 MC |
4296 | if (val & (1 << 23)) |
4297 | mask = FLASH_BACKUP_STRAP_MASK; | |
4298 | else | |
4299 | mask = FLASH_STRAP_MASK; | |
4300 | ||
b6016b76 MC |
4301 | for (j = 0, flash = &flash_table[0]; j < entry_count; |
4302 | j++, flash++) { | |
4303 | ||
37137709 | 4304 | if ((val & mask) == (flash->strapping & mask)) { |
b6016b76 MC |
4305 | bp->flash_info = flash; |
4306 | ||
4307 | /* Request access to the flash interface. */ | |
4308 | if ((rc = bnx2_acquire_nvram_lock(bp)) != 0) | |
4309 | return rc; | |
4310 | ||
4311 | /* Enable access to flash interface */ | |
4312 | bnx2_enable_nvram_access(bp); | |
4313 | ||
4314 | /* Reconfigure the flash interface */ | |
4315 | REG_WR(bp, BNX2_NVM_CFG1, flash->config1); | |
4316 | REG_WR(bp, BNX2_NVM_CFG2, flash->config2); | |
4317 | REG_WR(bp, BNX2_NVM_CFG3, flash->config3); | |
4318 | REG_WR(bp, BNX2_NVM_WRITE1, flash->write1); | |
4319 | ||
4320 | /* Disable access to flash interface */ | |
4321 | bnx2_disable_nvram_access(bp); | |
4322 | bnx2_release_nvram_lock(bp); | |
4323 | ||
4324 | break; | |
4325 | } | |
4326 | } | |
4327 | } /* if (val & 0x40000000) */ | |
4328 | ||
4329 | if (j == entry_count) { | |
4330 | bp->flash_info = NULL; | |
3a9c6a49 | 4331 | pr_alert("Unknown flash/EEPROM type\n"); |
1122db71 | 4332 | return -ENODEV; |
b6016b76 MC |
4333 | } |
4334 | ||
e30372c9 | 4335 | get_flash_size: |
2726d6e1 | 4336 | val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2); |
1122db71 MC |
4337 | val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK; |
4338 | if (val) | |
4339 | bp->flash_size = val; | |
4340 | else | |
4341 | bp->flash_size = bp->flash_info->total_size; | |
4342 | ||
b6016b76 MC |
4343 | return rc; |
4344 | } | |
4345 | ||
4346 | static int | |
4347 | bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf, | |
4348 | int buf_size) | |
4349 | { | |
4350 | int rc = 0; | |
4351 | u32 cmd_flags, offset32, len32, extra; | |
4352 | ||
4353 | if (buf_size == 0) | |
4354 | return 0; | |
4355 | ||
4356 | /* Request access to the flash interface. */ | |
4357 | if ((rc = bnx2_acquire_nvram_lock(bp)) != 0) | |
4358 | return rc; | |
4359 | ||
4360 | /* Enable access to flash interface */ | |
4361 | bnx2_enable_nvram_access(bp); | |
4362 | ||
4363 | len32 = buf_size; | |
4364 | offset32 = offset; | |
4365 | extra = 0; | |
4366 | ||
4367 | cmd_flags = 0; | |
4368 | ||
4369 | if (offset32 & 3) { | |
4370 | u8 buf[4]; | |
4371 | u32 pre_len; | |
4372 | ||
4373 | offset32 &= ~3; | |
4374 | pre_len = 4 - (offset & 3); | |
4375 | ||
4376 | if (pre_len >= len32) { | |
4377 | pre_len = len32; | |
4378 | cmd_flags = BNX2_NVM_COMMAND_FIRST | | |
4379 | BNX2_NVM_COMMAND_LAST; | |
4380 | } | |
4381 | else { | |
4382 | cmd_flags = BNX2_NVM_COMMAND_FIRST; | |
4383 | } | |
4384 | ||
4385 | rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags); | |
4386 | ||
4387 | if (rc) | |
4388 | return rc; | |
4389 | ||
4390 | memcpy(ret_buf, buf + (offset & 3), pre_len); | |
4391 | ||
4392 | offset32 += 4; | |
4393 | ret_buf += pre_len; | |
4394 | len32 -= pre_len; | |
4395 | } | |
4396 | if (len32 & 3) { | |
4397 | extra = 4 - (len32 & 3); | |
4398 | len32 = (len32 + 4) & ~3; | |
4399 | } | |
4400 | ||
4401 | if (len32 == 4) { | |
4402 | u8 buf[4]; | |
4403 | ||
4404 | if (cmd_flags) | |
4405 | cmd_flags = BNX2_NVM_COMMAND_LAST; | |
4406 | else | |
4407 | cmd_flags = BNX2_NVM_COMMAND_FIRST | | |
4408 | BNX2_NVM_COMMAND_LAST; | |
4409 | ||
4410 | rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags); | |
4411 | ||
4412 | memcpy(ret_buf, buf, 4 - extra); | |
4413 | } | |
4414 | else if (len32 > 0) { | |
4415 | u8 buf[4]; | |
4416 | ||
4417 | /* Read the first word. */ | |
4418 | if (cmd_flags) | |
4419 | cmd_flags = 0; | |
4420 | else | |
4421 | cmd_flags = BNX2_NVM_COMMAND_FIRST; | |
4422 | ||
4423 | rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags); | |
4424 | ||
4425 | /* Advance to the next dword. */ | |
4426 | offset32 += 4; | |
4427 | ret_buf += 4; | |
4428 | len32 -= 4; | |
4429 | ||
4430 | while (len32 > 4 && rc == 0) { | |
4431 | rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0); | |
4432 | ||
4433 | /* Advance to the next dword. */ | |
4434 | offset32 += 4; | |
4435 | ret_buf += 4; | |
4436 | len32 -= 4; | |
4437 | } | |
4438 | ||
4439 | if (rc) | |
4440 | return rc; | |
4441 | ||
4442 | cmd_flags = BNX2_NVM_COMMAND_LAST; | |
4443 | rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags); | |
4444 | ||
4445 | memcpy(ret_buf, buf, 4 - extra); | |
4446 | } | |
4447 | ||
4448 | /* Disable access to flash interface */ | |
4449 | bnx2_disable_nvram_access(bp); | |
4450 | ||
4451 | bnx2_release_nvram_lock(bp); | |
4452 | ||
4453 | return rc; | |
4454 | } | |
4455 | ||
4456 | static int | |
4457 | bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf, | |
4458 | int buf_size) | |
4459 | { | |
4460 | u32 written, offset32, len32; | |
e6be763f | 4461 | u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL; |
b6016b76 MC |
4462 | int rc = 0; |
4463 | int align_start, align_end; | |
4464 | ||
4465 | buf = data_buf; | |
4466 | offset32 = offset; | |
4467 | len32 = buf_size; | |
4468 | align_start = align_end = 0; | |
4469 | ||
4470 | if ((align_start = (offset32 & 3))) { | |
4471 | offset32 &= ~3; | |
c873879c MC |
4472 | len32 += align_start; |
4473 | if (len32 < 4) | |
4474 | len32 = 4; | |
b6016b76 MC |
4475 | if ((rc = bnx2_nvram_read(bp, offset32, start, 4))) |
4476 | return rc; | |
4477 | } | |
4478 | ||
4479 | if (len32 & 3) { | |
c873879c MC |
4480 | align_end = 4 - (len32 & 3); |
4481 | len32 += align_end; | |
4482 | if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4))) | |
4483 | return rc; | |
b6016b76 MC |
4484 | } |
4485 | ||
4486 | if (align_start || align_end) { | |
e6be763f MC |
4487 | align_buf = kmalloc(len32, GFP_KERNEL); |
4488 | if (align_buf == NULL) | |
b6016b76 MC |
4489 | return -ENOMEM; |
4490 | if (align_start) { | |
e6be763f | 4491 | memcpy(align_buf, start, 4); |
b6016b76 MC |
4492 | } |
4493 | if (align_end) { | |
e6be763f | 4494 | memcpy(align_buf + len32 - 4, end, 4); |
b6016b76 | 4495 | } |
e6be763f MC |
4496 | memcpy(align_buf + align_start, data_buf, buf_size); |
4497 | buf = align_buf; | |
b6016b76 MC |
4498 | } |
4499 | ||
e30372c9 | 4500 | if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { |
ae181bc4 MC |
4501 | flash_buffer = kmalloc(264, GFP_KERNEL); |
4502 | if (flash_buffer == NULL) { | |
4503 | rc = -ENOMEM; | |
4504 | goto nvram_write_end; | |
4505 | } | |
4506 | } | |
4507 | ||
b6016b76 MC |
4508 | written = 0; |
4509 | while ((written < len32) && (rc == 0)) { | |
4510 | u32 page_start, page_end, data_start, data_end; | |
4511 | u32 addr, cmd_flags; | |
4512 | int i; | |
b6016b76 MC |
4513 | |
4514 | /* Find the page_start addr */ | |
4515 | page_start = offset32 + written; | |
4516 | page_start -= (page_start % bp->flash_info->page_size); | |
4517 | /* Find the page_end addr */ | |
4518 | page_end = page_start + bp->flash_info->page_size; | |
4519 | /* Find the data_start addr */ | |
4520 | data_start = (written == 0) ? offset32 : page_start; | |
4521 | /* Find the data_end addr */ | |
6aa20a22 | 4522 | data_end = (page_end > offset32 + len32) ? |
b6016b76 MC |
4523 | (offset32 + len32) : page_end; |
4524 | ||
4525 | /* Request access to the flash interface. */ | |
4526 | if ((rc = bnx2_acquire_nvram_lock(bp)) != 0) | |
4527 | goto nvram_write_end; | |
4528 | ||
4529 | /* Enable access to flash interface */ | |
4530 | bnx2_enable_nvram_access(bp); | |
4531 | ||
4532 | cmd_flags = BNX2_NVM_COMMAND_FIRST; | |
e30372c9 | 4533 | if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { |
b6016b76 MC |
4534 | int j; |
4535 | ||
4536 | /* Read the whole page into the buffer | |
4537 | * (non-buffer flash only) */ | |
4538 | for (j = 0; j < bp->flash_info->page_size; j += 4) { | |
4539 | if (j == (bp->flash_info->page_size - 4)) { | |
4540 | cmd_flags |= BNX2_NVM_COMMAND_LAST; | |
4541 | } | |
4542 | rc = bnx2_nvram_read_dword(bp, | |
6aa20a22 JG |
4543 | page_start + j, |
4544 | &flash_buffer[j], | |
b6016b76 MC |
4545 | cmd_flags); |
4546 | ||
4547 | if (rc) | |
4548 | goto nvram_write_end; | |
4549 | ||
4550 | cmd_flags = 0; | |
4551 | } | |
4552 | } | |
4553 | ||
4554 | /* Enable writes to flash interface (unlock write-protect) */ | |
4555 | if ((rc = bnx2_enable_nvram_write(bp)) != 0) | |
4556 | goto nvram_write_end; | |
4557 | ||
b6016b76 MC |
4558 | /* Loop to write back the buffer data from page_start to |
4559 | * data_start */ | |
4560 | i = 0; | |
e30372c9 | 4561 | if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { |
c873879c MC |
4562 | /* Erase the page */ |
4563 | if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0) | |
4564 | goto nvram_write_end; | |
4565 | ||
4566 | /* Re-enable the write again for the actual write */ | |
4567 | bnx2_enable_nvram_write(bp); | |
4568 | ||
b6016b76 MC |
4569 | for (addr = page_start; addr < data_start; |
4570 | addr += 4, i += 4) { | |
6aa20a22 | 4571 | |
b6016b76 MC |
4572 | rc = bnx2_nvram_write_dword(bp, addr, |
4573 | &flash_buffer[i], cmd_flags); | |
4574 | ||
4575 | if (rc != 0) | |
4576 | goto nvram_write_end; | |
4577 | ||
4578 | cmd_flags = 0; | |
4579 | } | |
4580 | } | |
4581 | ||
4582 | /* Loop to write the new data from data_start to data_end */ | |
bae25761 | 4583 | for (addr = data_start; addr < data_end; addr += 4, i += 4) { |
b6016b76 | 4584 | if ((addr == page_end - 4) || |
e30372c9 | 4585 | ((bp->flash_info->flags & BNX2_NV_BUFFERED) && |
b6016b76 MC |
4586 | (addr == data_end - 4))) { |
4587 | ||
4588 | cmd_flags |= BNX2_NVM_COMMAND_LAST; | |
4589 | } | |
4590 | rc = bnx2_nvram_write_dword(bp, addr, buf, | |
4591 | cmd_flags); | |
4592 | ||
4593 | if (rc != 0) | |
4594 | goto nvram_write_end; | |
4595 | ||
4596 | cmd_flags = 0; | |
4597 | buf += 4; | |
4598 | } | |
4599 | ||
4600 | /* Loop to write back the buffer data from data_end | |
4601 | * to page_end */ | |
e30372c9 | 4602 | if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) { |
b6016b76 MC |
4603 | for (addr = data_end; addr < page_end; |
4604 | addr += 4, i += 4) { | |
6aa20a22 | 4605 | |
b6016b76 MC |
4606 | if (addr == page_end-4) { |
4607 | cmd_flags = BNX2_NVM_COMMAND_LAST; | |
4608 | } | |
4609 | rc = bnx2_nvram_write_dword(bp, addr, | |
4610 | &flash_buffer[i], cmd_flags); | |
4611 | ||
4612 | if (rc != 0) | |
4613 | goto nvram_write_end; | |
4614 | ||
4615 | cmd_flags = 0; | |
4616 | } | |
4617 | } | |
4618 | ||
4619 | /* Disable writes to flash interface (lock write-protect) */ | |
4620 | bnx2_disable_nvram_write(bp); | |
4621 | ||
4622 | /* Disable access to flash interface */ | |
4623 | bnx2_disable_nvram_access(bp); | |
4624 | bnx2_release_nvram_lock(bp); | |
4625 | ||
4626 | /* Increment written */ | |
4627 | written += data_end - data_start; | |
4628 | } | |
4629 | ||
4630 | nvram_write_end: | |
e6be763f MC |
4631 | kfree(flash_buffer); |
4632 | kfree(align_buf); | |
b6016b76 MC |
4633 | return rc; |
4634 | } | |
4635 | ||
0d8a6571 | 4636 | static void |
7c62e83b | 4637 | bnx2_init_fw_cap(struct bnx2 *bp) |
0d8a6571 | 4638 | { |
7c62e83b | 4639 | u32 val, sig = 0; |
0d8a6571 | 4640 | |
583c28e5 | 4641 | bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP; |
7c62e83b MC |
4642 | bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN; |
4643 | ||
4644 | if (!(bp->flags & BNX2_FLAG_ASF_ENABLE)) | |
4645 | bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN; | |
0d8a6571 | 4646 | |
2726d6e1 | 4647 | val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB); |
0d8a6571 MC |
4648 | if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE) |
4649 | return; | |
4650 | ||
7c62e83b MC |
4651 | if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) { |
4652 | bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN; | |
4653 | sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN; | |
4654 | } | |
4655 | ||
4656 | if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) && | |
4657 | (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) { | |
4658 | u32 link; | |
4659 | ||
583c28e5 | 4660 | bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP; |
0d8a6571 | 4661 | |
7c62e83b MC |
4662 | link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS); |
4663 | if (link & BNX2_LINK_STATUS_SERDES_LINK) | |
0d8a6571 MC |
4664 | bp->phy_port = PORT_FIBRE; |
4665 | else | |
4666 | bp->phy_port = PORT_TP; | |
489310a4 | 4667 | |
7c62e83b MC |
4668 | sig |= BNX2_DRV_ACK_CAP_SIGNATURE | |
4669 | BNX2_FW_CAP_REMOTE_PHY_CAPABLE; | |
0d8a6571 | 4670 | } |
7c62e83b MC |
4671 | |
4672 | if (netif_running(bp->dev) && sig) | |
4673 | bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig); | |
0d8a6571 MC |
4674 | } |
4675 | ||
b4b36042 MC |
4676 | static void |
4677 | bnx2_setup_msix_tbl(struct bnx2 *bp) | |
4678 | { | |
4679 | REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN); | |
4680 | ||
4681 | REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR); | |
4682 | REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR); | |
4683 | } | |
4684 | ||
b6016b76 MC |
4685 | static int |
4686 | bnx2_reset_chip(struct bnx2 *bp, u32 reset_code) | |
4687 | { | |
4688 | u32 val; | |
4689 | int i, rc = 0; | |
489310a4 | 4690 | u8 old_port; |
b6016b76 MC |
4691 | |
4692 | /* Wait for the current PCI transaction to complete before | |
4693 | * issuing a reset. */ | |
a5dac108 EW |
4694 | if ((CHIP_NUM(bp) == CHIP_NUM_5706) || |
4695 | (CHIP_NUM(bp) == CHIP_NUM_5708)) { | |
4696 | REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS, | |
4697 | BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE | | |
4698 | BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE | | |
4699 | BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE | | |
4700 | BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE); | |
4701 | val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS); | |
4702 | udelay(5); | |
4703 | } else { /* 5709 */ | |
4704 | val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL); | |
4705 | val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE; | |
4706 | REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val); | |
4707 | val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL); | |
4708 | ||
4709 | for (i = 0; i < 100; i++) { | |
4710 | msleep(1); | |
4711 | val = REG_RD(bp, BNX2_PCICFG_DEVICE_CONTROL); | |
4712 | if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND)) | |
4713 | break; | |
4714 | } | |
4715 | } | |
b6016b76 | 4716 | |
b090ae2b | 4717 | /* Wait for the firmware to tell us it is ok to issue a reset. */ |
a2f13890 | 4718 | bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1); |
b090ae2b | 4719 | |
b6016b76 MC |
4720 | /* Deposit a driver reset signature so the firmware knows that |
4721 | * this is a soft reset. */ | |
2726d6e1 MC |
4722 | bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE, |
4723 | BNX2_DRV_RESET_SIGNATURE_MAGIC); | |
b6016b76 | 4724 | |
b6016b76 MC |
4725 | /* Do a dummy read to force the chip to complete all current transaction |
4726 | * before we issue a reset. */ | |
4727 | val = REG_RD(bp, BNX2_MISC_ID); | |
4728 | ||
234754d5 MC |
4729 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
4730 | REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET); | |
4731 | REG_RD(bp, BNX2_MISC_COMMAND); | |
4732 | udelay(5); | |
b6016b76 | 4733 | |
234754d5 MC |
4734 | val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | |
4735 | BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; | |
b6016b76 | 4736 | |
be7ff1af | 4737 | REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val); |
b6016b76 | 4738 | |
234754d5 MC |
4739 | } else { |
4740 | val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | | |
4741 | BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | | |
4742 | BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; | |
4743 | ||
4744 | /* Chip reset. */ | |
4745 | REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val); | |
4746 | ||
594a9dfa MC |
4747 | /* Reading back any register after chip reset will hang the |
4748 | * bus on 5706 A0 and A1. The msleep below provides plenty | |
4749 | * of margin for write posting. | |
4750 | */ | |
234754d5 | 4751 | if ((CHIP_ID(bp) == CHIP_ID_5706_A0) || |
8e545881 AV |
4752 | (CHIP_ID(bp) == CHIP_ID_5706_A1)) |
4753 | msleep(20); | |
b6016b76 | 4754 | |
234754d5 MC |
4755 | /* Reset takes approximate 30 usec */ |
4756 | for (i = 0; i < 10; i++) { | |
4757 | val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG); | |
4758 | if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | | |
4759 | BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) | |
4760 | break; | |
4761 | udelay(10); | |
4762 | } | |
4763 | ||
4764 | if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | | |
4765 | BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) { | |
3a9c6a49 | 4766 | pr_err("Chip reset did not complete\n"); |
234754d5 MC |
4767 | return -EBUSY; |
4768 | } | |
b6016b76 MC |
4769 | } |
4770 | ||
4771 | /* Make sure byte swapping is properly configured. */ | |
4772 | val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0); | |
4773 | if (val != 0x01020304) { | |
3a9c6a49 | 4774 | pr_err("Chip not in correct endian mode\n"); |
b6016b76 MC |
4775 | return -ENODEV; |
4776 | } | |
4777 | ||
b6016b76 | 4778 | /* Wait for the firmware to finish its initialization. */ |
a2f13890 | 4779 | rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0); |
b090ae2b MC |
4780 | if (rc) |
4781 | return rc; | |
b6016b76 | 4782 | |
0d8a6571 | 4783 | spin_lock_bh(&bp->phy_lock); |
489310a4 | 4784 | old_port = bp->phy_port; |
7c62e83b | 4785 | bnx2_init_fw_cap(bp); |
583c28e5 MC |
4786 | if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) && |
4787 | old_port != bp->phy_port) | |
0d8a6571 MC |
4788 | bnx2_set_default_remote_link(bp); |
4789 | spin_unlock_bh(&bp->phy_lock); | |
4790 | ||
b6016b76 MC |
4791 | if (CHIP_ID(bp) == CHIP_ID_5706_A0) { |
4792 | /* Adjust the voltage regular to two steps lower. The default | |
4793 | * of this register is 0x0000000e. */ | |
4794 | REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa); | |
4795 | ||
4796 | /* Remove bad rbuf memory from the free pool. */ | |
4797 | rc = bnx2_alloc_bad_rbuf(bp); | |
4798 | } | |
4799 | ||
c441b8d2 | 4800 | if (bp->flags & BNX2_FLAG_USING_MSIX) { |
b4b36042 | 4801 | bnx2_setup_msix_tbl(bp); |
c441b8d2 MC |
4802 | /* Prevent MSIX table reads and write from timing out */ |
4803 | REG_WR(bp, BNX2_MISC_ECO_HW_CTL, | |
4804 | BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN); | |
4805 | } | |
b4b36042 | 4806 | |
b6016b76 MC |
4807 | return rc; |
4808 | } | |
4809 | ||
4810 | static int | |
4811 | bnx2_init_chip(struct bnx2 *bp) | |
4812 | { | |
d8026d93 | 4813 | u32 val, mtu; |
b4b36042 | 4814 | int rc, i; |
b6016b76 MC |
4815 | |
4816 | /* Make sure the interrupt is not active. */ | |
4817 | REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT); | |
4818 | ||
4819 | val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP | | |
4820 | BNX2_DMA_CONFIG_DATA_WORD_SWAP | | |
4821 | #ifdef __BIG_ENDIAN | |
6aa20a22 | 4822 | BNX2_DMA_CONFIG_CNTL_BYTE_SWAP | |
b6016b76 | 4823 | #endif |
6aa20a22 | 4824 | BNX2_DMA_CONFIG_CNTL_WORD_SWAP | |
b6016b76 MC |
4825 | DMA_READ_CHANS << 12 | |
4826 | DMA_WRITE_CHANS << 16; | |
4827 | ||
4828 | val |= (0x2 << 20) | (1 << 11); | |
4829 | ||
f86e82fb | 4830 | if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133)) |
b6016b76 MC |
4831 | val |= (1 << 23); |
4832 | ||
4833 | if ((CHIP_NUM(bp) == CHIP_NUM_5706) && | |
f86e82fb | 4834 | (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX)) |
b6016b76 MC |
4835 | val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA; |
4836 | ||
4837 | REG_WR(bp, BNX2_DMA_CONFIG, val); | |
4838 | ||
4839 | if (CHIP_ID(bp) == CHIP_ID_5706_A0) { | |
4840 | val = REG_RD(bp, BNX2_TDMA_CONFIG); | |
4841 | val |= BNX2_TDMA_CONFIG_ONE_DMA; | |
4842 | REG_WR(bp, BNX2_TDMA_CONFIG, val); | |
4843 | } | |
4844 | ||
f86e82fb | 4845 | if (bp->flags & BNX2_FLAG_PCIX) { |
b6016b76 MC |
4846 | u16 val16; |
4847 | ||
4848 | pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD, | |
4849 | &val16); | |
4850 | pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD, | |
4851 | val16 & ~PCI_X_CMD_ERO); | |
4852 | } | |
4853 | ||
4854 | REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, | |
4855 | BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE | | |
4856 | BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE | | |
4857 | BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE); | |
4858 | ||
4859 | /* Initialize context mapping and zero out the quick contexts. The | |
4860 | * context block must have already been enabled. */ | |
641bdcd5 MC |
4861 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
4862 | rc = bnx2_init_5709_context(bp); | |
4863 | if (rc) | |
4864 | return rc; | |
4865 | } else | |
59b47d8a | 4866 | bnx2_init_context(bp); |
b6016b76 | 4867 | |
fba9fe91 MC |
4868 | if ((rc = bnx2_init_cpus(bp)) != 0) |
4869 | return rc; | |
4870 | ||
b6016b76 MC |
4871 | bnx2_init_nvram(bp); |
4872 | ||
5fcaed01 | 4873 | bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0); |
b6016b76 MC |
4874 | |
4875 | val = REG_RD(bp, BNX2_MQ_CONFIG); | |
4876 | val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE; | |
4877 | val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256; | |
4edd473f MC |
4878 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
4879 | val |= BNX2_MQ_CONFIG_BIN_MQ_MODE; | |
4880 | if (CHIP_REV(bp) == CHIP_REV_Ax) | |
4881 | val |= BNX2_MQ_CONFIG_HALT_DIS; | |
4882 | } | |
68c9f75a | 4883 | |
b6016b76 MC |
4884 | REG_WR(bp, BNX2_MQ_CONFIG, val); |
4885 | ||
4886 | val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE); | |
4887 | REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val); | |
4888 | REG_WR(bp, BNX2_MQ_KNL_WIND_END, val); | |
4889 | ||
4890 | val = (BCM_PAGE_BITS - 8) << 24; | |
4891 | REG_WR(bp, BNX2_RV2P_CONFIG, val); | |
4892 | ||
4893 | /* Configure page size. */ | |
4894 | val = REG_RD(bp, BNX2_TBDR_CONFIG); | |
4895 | val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE; | |
4896 | val |= (BCM_PAGE_BITS - 8) << 24 | 0x40; | |
4897 | REG_WR(bp, BNX2_TBDR_CONFIG, val); | |
4898 | ||
4899 | val = bp->mac_addr[0] + | |
4900 | (bp->mac_addr[1] << 8) + | |
4901 | (bp->mac_addr[2] << 16) + | |
4902 | bp->mac_addr[3] + | |
4903 | (bp->mac_addr[4] << 8) + | |
4904 | (bp->mac_addr[5] << 16); | |
4905 | REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val); | |
4906 | ||
4907 | /* Program the MTU. Also include 4 bytes for CRC32. */ | |
d8026d93 MC |
4908 | mtu = bp->dev->mtu; |
4909 | val = mtu + ETH_HLEN + ETH_FCS_LEN; | |
b6016b76 MC |
4910 | if (val > (MAX_ETHERNET_PACKET_SIZE + 4)) |
4911 | val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA; | |
4912 | REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val); | |
4913 | ||
d8026d93 MC |
4914 | if (mtu < 1500) |
4915 | mtu = 1500; | |
4916 | ||
4917 | bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu)); | |
4918 | bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu)); | |
4919 | bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu)); | |
4920 | ||
155d5561 | 4921 | memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size); |
b4b36042 MC |
4922 | for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) |
4923 | bp->bnx2_napi[i].last_status_idx = 0; | |
4924 | ||
efba0180 MC |
4925 | bp->idle_chk_status_idx = 0xffff; |
4926 | ||
b6016b76 MC |
4927 | bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE; |
4928 | ||
4929 | /* Set up how to generate a link change interrupt. */ | |
4930 | REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK); | |
4931 | ||
4932 | REG_WR(bp, BNX2_HC_STATUS_ADDR_L, | |
4933 | (u64) bp->status_blk_mapping & 0xffffffff); | |
4934 | REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32); | |
4935 | ||
4936 | REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L, | |
4937 | (u64) bp->stats_blk_mapping & 0xffffffff); | |
4938 | REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H, | |
4939 | (u64) bp->stats_blk_mapping >> 32); | |
4940 | ||
6aa20a22 | 4941 | REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP, |
b6016b76 MC |
4942 | (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip); |
4943 | ||
4944 | REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP, | |
4945 | (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip); | |
4946 | ||
4947 | REG_WR(bp, BNX2_HC_COMP_PROD_TRIP, | |
4948 | (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip); | |
4949 | ||
4950 | REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks); | |
4951 | ||
4952 | REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks); | |
4953 | ||
4954 | REG_WR(bp, BNX2_HC_COM_TICKS, | |
4955 | (bp->com_ticks_int << 16) | bp->com_ticks); | |
4956 | ||
4957 | REG_WR(bp, BNX2_HC_CMD_TICKS, | |
4958 | (bp->cmd_ticks_int << 16) | bp->cmd_ticks); | |
4959 | ||
61d9e3fa | 4960 | if (bp->flags & BNX2_FLAG_BROKEN_STATS) |
02537b06 MC |
4961 | REG_WR(bp, BNX2_HC_STATS_TICKS, 0); |
4962 | else | |
7ea6920e | 4963 | REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks); |
b6016b76 MC |
4964 | REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */ |
4965 | ||
4966 | if (CHIP_ID(bp) == CHIP_ID_5706_A1) | |
8e6a72c4 | 4967 | val = BNX2_HC_CONFIG_COLLECT_STATS; |
b6016b76 | 4968 | else { |
8e6a72c4 MC |
4969 | val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE | |
4970 | BNX2_HC_CONFIG_COLLECT_STATS; | |
b6016b76 MC |
4971 | } |
4972 | ||
efde73a3 | 4973 | if (bp->flags & BNX2_FLAG_USING_MSIX) { |
c76c0475 MC |
4974 | REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR, |
4975 | BNX2_HC_MSIX_BIT_VECTOR_VAL); | |
4976 | ||
5e9ad9e1 MC |
4977 | val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B; |
4978 | } | |
4979 | ||
4980 | if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI) | |
cf7474a6 | 4981 | val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM; |
5e9ad9e1 MC |
4982 | |
4983 | REG_WR(bp, BNX2_HC_CONFIG, val); | |
4984 | ||
22fa159d MC |
4985 | if (bp->rx_ticks < 25) |
4986 | bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1); | |
4987 | else | |
4988 | bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0); | |
4989 | ||
5e9ad9e1 MC |
4990 | for (i = 1; i < bp->irq_nvecs; i++) { |
4991 | u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) + | |
4992 | BNX2_HC_SB_CONFIG_1; | |
4993 | ||
6f743ca0 | 4994 | REG_WR(bp, base, |
c76c0475 | 4995 | BNX2_HC_SB_CONFIG_1_TX_TMR_MODE | |
5e9ad9e1 | 4996 | BNX2_HC_SB_CONFIG_1_RX_TMR_MODE | |
c76c0475 MC |
4997 | BNX2_HC_SB_CONFIG_1_ONE_SHOT); |
4998 | ||
6f743ca0 | 4999 | REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF, |
c76c0475 MC |
5000 | (bp->tx_quick_cons_trip_int << 16) | |
5001 | bp->tx_quick_cons_trip); | |
5002 | ||
6f743ca0 | 5003 | REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF, |
c76c0475 MC |
5004 | (bp->tx_ticks_int << 16) | bp->tx_ticks); |
5005 | ||
5e9ad9e1 MC |
5006 | REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF, |
5007 | (bp->rx_quick_cons_trip_int << 16) | | |
5008 | bp->rx_quick_cons_trip); | |
8e6a72c4 | 5009 | |
5e9ad9e1 MC |
5010 | REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF, |
5011 | (bp->rx_ticks_int << 16) | bp->rx_ticks); | |
5012 | } | |
8e6a72c4 | 5013 | |
b6016b76 MC |
5014 | /* Clear internal stats counters. */ |
5015 | REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW); | |
5016 | ||
da3e4fbe | 5017 | REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS); |
b6016b76 MC |
5018 | |
5019 | /* Initialize the receive filter. */ | |
5020 | bnx2_set_rx_mode(bp->dev); | |
5021 | ||
0aa38df7 MC |
5022 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
5023 | val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL); | |
5024 | val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE; | |
5025 | REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val); | |
5026 | } | |
b090ae2b | 5027 | rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET, |
a2f13890 | 5028 | 1, 0); |
b6016b76 | 5029 | |
df149d70 | 5030 | REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT); |
b6016b76 MC |
5031 | REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS); |
5032 | ||
5033 | udelay(20); | |
5034 | ||
bf5295bb MC |
5035 | bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND); |
5036 | ||
b090ae2b | 5037 | return rc; |
b6016b76 MC |
5038 | } |
5039 | ||
c76c0475 MC |
5040 | static void |
5041 | bnx2_clear_ring_states(struct bnx2 *bp) | |
5042 | { | |
5043 | struct bnx2_napi *bnapi; | |
35e9010b | 5044 | struct bnx2_tx_ring_info *txr; |
bb4f98ab | 5045 | struct bnx2_rx_ring_info *rxr; |
c76c0475 MC |
5046 | int i; |
5047 | ||
5048 | for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) { | |
5049 | bnapi = &bp->bnx2_napi[i]; | |
35e9010b | 5050 | txr = &bnapi->tx_ring; |
bb4f98ab | 5051 | rxr = &bnapi->rx_ring; |
c76c0475 | 5052 | |
35e9010b MC |
5053 | txr->tx_cons = 0; |
5054 | txr->hw_tx_cons = 0; | |
bb4f98ab MC |
5055 | rxr->rx_prod_bseq = 0; |
5056 | rxr->rx_prod = 0; | |
5057 | rxr->rx_cons = 0; | |
5058 | rxr->rx_pg_prod = 0; | |
5059 | rxr->rx_pg_cons = 0; | |
c76c0475 MC |
5060 | } |
5061 | } | |
5062 | ||
59b47d8a | 5063 | static void |
35e9010b | 5064 | bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr) |
59b47d8a MC |
5065 | { |
5066 | u32 val, offset0, offset1, offset2, offset3; | |
62a8313c | 5067 | u32 cid_addr = GET_CID_ADDR(cid); |
59b47d8a MC |
5068 | |
5069 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { | |
5070 | offset0 = BNX2_L2CTX_TYPE_XI; | |
5071 | offset1 = BNX2_L2CTX_CMD_TYPE_XI; | |
5072 | offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI; | |
5073 | offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI; | |
5074 | } else { | |
5075 | offset0 = BNX2_L2CTX_TYPE; | |
5076 | offset1 = BNX2_L2CTX_CMD_TYPE; | |
5077 | offset2 = BNX2_L2CTX_TBDR_BHADDR_HI; | |
5078 | offset3 = BNX2_L2CTX_TBDR_BHADDR_LO; | |
5079 | } | |
5080 | val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2; | |
62a8313c | 5081 | bnx2_ctx_wr(bp, cid_addr, offset0, val); |
59b47d8a MC |
5082 | |
5083 | val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16); | |
62a8313c | 5084 | bnx2_ctx_wr(bp, cid_addr, offset1, val); |
59b47d8a | 5085 | |
35e9010b | 5086 | val = (u64) txr->tx_desc_mapping >> 32; |
62a8313c | 5087 | bnx2_ctx_wr(bp, cid_addr, offset2, val); |
59b47d8a | 5088 | |
35e9010b | 5089 | val = (u64) txr->tx_desc_mapping & 0xffffffff; |
62a8313c | 5090 | bnx2_ctx_wr(bp, cid_addr, offset3, val); |
59b47d8a | 5091 | } |
b6016b76 MC |
5092 | |
5093 | static void | |
35e9010b | 5094 | bnx2_init_tx_ring(struct bnx2 *bp, int ring_num) |
b6016b76 MC |
5095 | { |
5096 | struct tx_bd *txbd; | |
c76c0475 MC |
5097 | u32 cid = TX_CID; |
5098 | struct bnx2_napi *bnapi; | |
35e9010b | 5099 | struct bnx2_tx_ring_info *txr; |
c76c0475 | 5100 | |
35e9010b MC |
5101 | bnapi = &bp->bnx2_napi[ring_num]; |
5102 | txr = &bnapi->tx_ring; | |
5103 | ||
5104 | if (ring_num == 0) | |
5105 | cid = TX_CID; | |
5106 | else | |
5107 | cid = TX_TSS_CID + ring_num - 1; | |
b6016b76 | 5108 | |
2f8af120 MC |
5109 | bp->tx_wake_thresh = bp->tx_ring_size / 2; |
5110 | ||
35e9010b | 5111 | txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT]; |
6aa20a22 | 5112 | |
35e9010b MC |
5113 | txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32; |
5114 | txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff; | |
b6016b76 | 5115 | |
35e9010b MC |
5116 | txr->tx_prod = 0; |
5117 | txr->tx_prod_bseq = 0; | |
6aa20a22 | 5118 | |
35e9010b MC |
5119 | txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX; |
5120 | txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ; | |
b6016b76 | 5121 | |
35e9010b | 5122 | bnx2_init_tx_context(bp, cid, txr); |
b6016b76 MC |
5123 | } |
5124 | ||
5125 | static void | |
5d5d0015 MC |
5126 | bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size, |
5127 | int num_rings) | |
b6016b76 | 5128 | { |
b6016b76 | 5129 | int i; |
5d5d0015 | 5130 | struct rx_bd *rxbd; |
6aa20a22 | 5131 | |
5d5d0015 | 5132 | for (i = 0; i < num_rings; i++) { |
13daffa2 | 5133 | int j; |
b6016b76 | 5134 | |
5d5d0015 | 5135 | rxbd = &rx_ring[i][0]; |
13daffa2 | 5136 | for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) { |
5d5d0015 | 5137 | rxbd->rx_bd_len = buf_size; |
13daffa2 MC |
5138 | rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END; |
5139 | } | |
5d5d0015 | 5140 | if (i == (num_rings - 1)) |
13daffa2 MC |
5141 | j = 0; |
5142 | else | |
5143 | j = i + 1; | |
5d5d0015 MC |
5144 | rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32; |
5145 | rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff; | |
13daffa2 | 5146 | } |
5d5d0015 MC |
5147 | } |
5148 | ||
5149 | static void | |
bb4f98ab | 5150 | bnx2_init_rx_ring(struct bnx2 *bp, int ring_num) |
5d5d0015 MC |
5151 | { |
5152 | int i; | |
5153 | u16 prod, ring_prod; | |
bb4f98ab MC |
5154 | u32 cid, rx_cid_addr, val; |
5155 | struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num]; | |
5156 | struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; | |
5157 | ||
5158 | if (ring_num == 0) | |
5159 | cid = RX_CID; | |
5160 | else | |
5161 | cid = RX_RSS_CID + ring_num - 1; | |
5162 | ||
5163 | rx_cid_addr = GET_CID_ADDR(cid); | |
5d5d0015 | 5164 | |
bb4f98ab | 5165 | bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping, |
5d5d0015 MC |
5166 | bp->rx_buf_use_size, bp->rx_max_ring); |
5167 | ||
bb4f98ab | 5168 | bnx2_init_rx_context(bp, cid); |
83e3fc89 MC |
5169 | |
5170 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { | |
5171 | val = REG_RD(bp, BNX2_MQ_MAP_L2_5); | |
5172 | REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM); | |
5173 | } | |
5174 | ||
62a8313c | 5175 | bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0); |
47bf4246 | 5176 | if (bp->rx_pg_ring_size) { |
bb4f98ab MC |
5177 | bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring, |
5178 | rxr->rx_pg_desc_mapping, | |
47bf4246 MC |
5179 | PAGE_SIZE, bp->rx_max_pg_ring); |
5180 | val = (bp->rx_buf_use_size << 16) | PAGE_SIZE; | |
62a8313c MC |
5181 | bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val); |
5182 | bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY, | |
5e9ad9e1 | 5183 | BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num); |
47bf4246 | 5184 | |
bb4f98ab | 5185 | val = (u64) rxr->rx_pg_desc_mapping[0] >> 32; |
62a8313c | 5186 | bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val); |
47bf4246 | 5187 | |
bb4f98ab | 5188 | val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff; |
62a8313c | 5189 | bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val); |
47bf4246 MC |
5190 | |
5191 | if (CHIP_NUM(bp) == CHIP_NUM_5709) | |
5192 | REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT); | |
5193 | } | |
b6016b76 | 5194 | |
bb4f98ab | 5195 | val = (u64) rxr->rx_desc_mapping[0] >> 32; |
62a8313c | 5196 | bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val); |
b6016b76 | 5197 | |
bb4f98ab | 5198 | val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff; |
62a8313c | 5199 | bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val); |
b6016b76 | 5200 | |
bb4f98ab | 5201 | ring_prod = prod = rxr->rx_pg_prod; |
47bf4246 | 5202 | for (i = 0; i < bp->rx_pg_ring_size; i++) { |
a2df00aa | 5203 | if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) { |
3a9c6a49 JP |
5204 | netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n", |
5205 | ring_num, i, bp->rx_pg_ring_size); | |
47bf4246 | 5206 | break; |
b929e53c | 5207 | } |
47bf4246 MC |
5208 | prod = NEXT_RX_BD(prod); |
5209 | ring_prod = RX_PG_RING_IDX(prod); | |
5210 | } | |
bb4f98ab | 5211 | rxr->rx_pg_prod = prod; |
47bf4246 | 5212 | |
bb4f98ab | 5213 | ring_prod = prod = rxr->rx_prod; |
236b6394 | 5214 | for (i = 0; i < bp->rx_ring_size; i++) { |
a2df00aa | 5215 | if (bnx2_alloc_rx_skb(bp, rxr, ring_prod, GFP_KERNEL) < 0) { |
3a9c6a49 JP |
5216 | netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n", |
5217 | ring_num, i, bp->rx_ring_size); | |
b6016b76 | 5218 | break; |
b929e53c | 5219 | } |
b6016b76 MC |
5220 | prod = NEXT_RX_BD(prod); |
5221 | ring_prod = RX_RING_IDX(prod); | |
5222 | } | |
bb4f98ab | 5223 | rxr->rx_prod = prod; |
b6016b76 | 5224 | |
bb4f98ab MC |
5225 | rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX; |
5226 | rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ; | |
5227 | rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX; | |
b6016b76 | 5228 | |
bb4f98ab MC |
5229 | REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod); |
5230 | REG_WR16(bp, rxr->rx_bidx_addr, prod); | |
5231 | ||
5232 | REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq); | |
b6016b76 MC |
5233 | } |
5234 | ||
35e9010b MC |
5235 | static void |
5236 | bnx2_init_all_rings(struct bnx2 *bp) | |
5237 | { | |
5238 | int i; | |
5e9ad9e1 | 5239 | u32 val; |
35e9010b MC |
5240 | |
5241 | bnx2_clear_ring_states(bp); | |
5242 | ||
5243 | REG_WR(bp, BNX2_TSCH_TSS_CFG, 0); | |
5244 | for (i = 0; i < bp->num_tx_rings; i++) | |
5245 | bnx2_init_tx_ring(bp, i); | |
5246 | ||
5247 | if (bp->num_tx_rings > 1) | |
5248 | REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) | | |
5249 | (TX_TSS_CID << 7)); | |
5250 | ||
5e9ad9e1 MC |
5251 | REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0); |
5252 | bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0); | |
5253 | ||
bb4f98ab MC |
5254 | for (i = 0; i < bp->num_rx_rings; i++) |
5255 | bnx2_init_rx_ring(bp, i); | |
5e9ad9e1 MC |
5256 | |
5257 | if (bp->num_rx_rings > 1) { | |
22fa159d | 5258 | u32 tbl_32 = 0; |
5e9ad9e1 MC |
5259 | |
5260 | for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) { | |
22fa159d MC |
5261 | int shift = (i % 8) << 2; |
5262 | ||
5263 | tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift; | |
5264 | if ((i % 8) == 7) { | |
5265 | REG_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32); | |
5266 | REG_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) | | |
5267 | BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK | | |
5268 | BNX2_RLUP_RSS_COMMAND_WRITE | | |
5269 | BNX2_RLUP_RSS_COMMAND_HASH_MASK); | |
5270 | tbl_32 = 0; | |
5271 | } | |
5e9ad9e1 MC |
5272 | } |
5273 | ||
5274 | val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI | | |
5275 | BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI; | |
5276 | ||
5277 | REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val); | |
5278 | ||
5279 | } | |
35e9010b MC |
5280 | } |
5281 | ||
5d5d0015 | 5282 | static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size) |
13daffa2 | 5283 | { |
5d5d0015 | 5284 | u32 max, num_rings = 1; |
13daffa2 | 5285 | |
5d5d0015 MC |
5286 | while (ring_size > MAX_RX_DESC_CNT) { |
5287 | ring_size -= MAX_RX_DESC_CNT; | |
13daffa2 MC |
5288 | num_rings++; |
5289 | } | |
5290 | /* round to next power of 2 */ | |
5d5d0015 | 5291 | max = max_size; |
13daffa2 MC |
5292 | while ((max & num_rings) == 0) |
5293 | max >>= 1; | |
5294 | ||
5295 | if (num_rings != max) | |
5296 | max <<= 1; | |
5297 | ||
5d5d0015 MC |
5298 | return max; |
5299 | } | |
5300 | ||
5301 | static void | |
5302 | bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size) | |
5303 | { | |
84eaa187 | 5304 | u32 rx_size, rx_space, jumbo_size; |
5d5d0015 MC |
5305 | |
5306 | /* 8 for CRC and VLAN */ | |
d89cb6af | 5307 | rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8; |
5d5d0015 | 5308 | |
84eaa187 MC |
5309 | rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD + |
5310 | sizeof(struct skb_shared_info); | |
5311 | ||
601d3d18 | 5312 | bp->rx_copy_thresh = BNX2_RX_COPY_THRESH; |
47bf4246 MC |
5313 | bp->rx_pg_ring_size = 0; |
5314 | bp->rx_max_pg_ring = 0; | |
5315 | bp->rx_max_pg_ring_idx = 0; | |
f86e82fb | 5316 | if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) { |
84eaa187 MC |
5317 | int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT; |
5318 | ||
5319 | jumbo_size = size * pages; | |
5320 | if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT) | |
5321 | jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT; | |
5322 | ||
5323 | bp->rx_pg_ring_size = jumbo_size; | |
5324 | bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size, | |
5325 | MAX_RX_PG_RINGS); | |
5326 | bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1; | |
601d3d18 | 5327 | rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET; |
84eaa187 MC |
5328 | bp->rx_copy_thresh = 0; |
5329 | } | |
5d5d0015 MC |
5330 | |
5331 | bp->rx_buf_use_size = rx_size; | |
5332 | /* hw alignment */ | |
5333 | bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN; | |
d89cb6af | 5334 | bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET; |
5d5d0015 MC |
5335 | bp->rx_ring_size = size; |
5336 | bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS); | |
13daffa2 MC |
5337 | bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1; |
5338 | } | |
5339 | ||
b6016b76 MC |
5340 | static void |
5341 | bnx2_free_tx_skbs(struct bnx2 *bp) | |
5342 | { | |
5343 | int i; | |
5344 | ||
35e9010b MC |
5345 | for (i = 0; i < bp->num_tx_rings; i++) { |
5346 | struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; | |
5347 | struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; | |
5348 | int j; | |
b6016b76 | 5349 | |
35e9010b | 5350 | if (txr->tx_buf_ring == NULL) |
b6016b76 | 5351 | continue; |
b6016b76 | 5352 | |
35e9010b | 5353 | for (j = 0; j < TX_DESC_CNT; ) { |
3d16af86 | 5354 | struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j]; |
35e9010b | 5355 | struct sk_buff *skb = tx_buf->skb; |
e95524a7 | 5356 | int k, last; |
35e9010b MC |
5357 | |
5358 | if (skb == NULL) { | |
5359 | j++; | |
5360 | continue; | |
5361 | } | |
5362 | ||
36227e88 | 5363 | dma_unmap_single(&bp->pdev->dev, |
1a4ccc2d | 5364 | dma_unmap_addr(tx_buf, mapping), |
e95524a7 AD |
5365 | skb_headlen(skb), |
5366 | PCI_DMA_TODEVICE); | |
b6016b76 | 5367 | |
35e9010b | 5368 | tx_buf->skb = NULL; |
b6016b76 | 5369 | |
e95524a7 AD |
5370 | last = tx_buf->nr_frags; |
5371 | j++; | |
5372 | for (k = 0; k < last; k++, j++) { | |
5373 | tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)]; | |
36227e88 | 5374 | dma_unmap_page(&bp->pdev->dev, |
1a4ccc2d | 5375 | dma_unmap_addr(tx_buf, mapping), |
e95524a7 AD |
5376 | skb_shinfo(skb)->frags[k].size, |
5377 | PCI_DMA_TODEVICE); | |
5378 | } | |
35e9010b | 5379 | dev_kfree_skb(skb); |
b6016b76 | 5380 | } |
b6016b76 | 5381 | } |
b6016b76 MC |
5382 | } |
5383 | ||
5384 | static void | |
5385 | bnx2_free_rx_skbs(struct bnx2 *bp) | |
5386 | { | |
5387 | int i; | |
5388 | ||
bb4f98ab MC |
5389 | for (i = 0; i < bp->num_rx_rings; i++) { |
5390 | struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; | |
5391 | struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; | |
5392 | int j; | |
b6016b76 | 5393 | |
bb4f98ab MC |
5394 | if (rxr->rx_buf_ring == NULL) |
5395 | return; | |
b6016b76 | 5396 | |
bb4f98ab MC |
5397 | for (j = 0; j < bp->rx_max_ring_idx; j++) { |
5398 | struct sw_bd *rx_buf = &rxr->rx_buf_ring[j]; | |
5399 | struct sk_buff *skb = rx_buf->skb; | |
b6016b76 | 5400 | |
bb4f98ab MC |
5401 | if (skb == NULL) |
5402 | continue; | |
b6016b76 | 5403 | |
36227e88 | 5404 | dma_unmap_single(&bp->pdev->dev, |
1a4ccc2d | 5405 | dma_unmap_addr(rx_buf, mapping), |
bb4f98ab MC |
5406 | bp->rx_buf_use_size, |
5407 | PCI_DMA_FROMDEVICE); | |
b6016b76 | 5408 | |
bb4f98ab MC |
5409 | rx_buf->skb = NULL; |
5410 | ||
5411 | dev_kfree_skb(skb); | |
5412 | } | |
5413 | for (j = 0; j < bp->rx_max_pg_ring_idx; j++) | |
5414 | bnx2_free_rx_page(bp, rxr, j); | |
b6016b76 MC |
5415 | } |
5416 | } | |
5417 | ||
5418 | static void | |
5419 | bnx2_free_skbs(struct bnx2 *bp) | |
5420 | { | |
5421 | bnx2_free_tx_skbs(bp); | |
5422 | bnx2_free_rx_skbs(bp); | |
5423 | } | |
5424 | ||
5425 | static int | |
5426 | bnx2_reset_nic(struct bnx2 *bp, u32 reset_code) | |
5427 | { | |
5428 | int rc; | |
5429 | ||
5430 | rc = bnx2_reset_chip(bp, reset_code); | |
5431 | bnx2_free_skbs(bp); | |
5432 | if (rc) | |
5433 | return rc; | |
5434 | ||
fba9fe91 MC |
5435 | if ((rc = bnx2_init_chip(bp)) != 0) |
5436 | return rc; | |
5437 | ||
35e9010b | 5438 | bnx2_init_all_rings(bp); |
b6016b76 MC |
5439 | return 0; |
5440 | } | |
5441 | ||
5442 | static int | |
9a120bc5 | 5443 | bnx2_init_nic(struct bnx2 *bp, int reset_phy) |
b6016b76 MC |
5444 | { |
5445 | int rc; | |
5446 | ||
5447 | if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0) | |
5448 | return rc; | |
5449 | ||
80be4434 | 5450 | spin_lock_bh(&bp->phy_lock); |
9a120bc5 | 5451 | bnx2_init_phy(bp, reset_phy); |
b6016b76 | 5452 | bnx2_set_link(bp); |
543a827d MC |
5453 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) |
5454 | bnx2_remote_phy_event(bp); | |
0d8a6571 | 5455 | spin_unlock_bh(&bp->phy_lock); |
b6016b76 MC |
5456 | return 0; |
5457 | } | |
5458 | ||
74bf4ba3 MC |
5459 | static int |
5460 | bnx2_shutdown_chip(struct bnx2 *bp) | |
5461 | { | |
5462 | u32 reset_code; | |
5463 | ||
5464 | if (bp->flags & BNX2_FLAG_NO_WOL) | |
5465 | reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN; | |
5466 | else if (bp->wol) | |
5467 | reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL; | |
5468 | else | |
5469 | reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; | |
5470 | ||
5471 | return bnx2_reset_chip(bp, reset_code); | |
5472 | } | |
5473 | ||
b6016b76 MC |
5474 | static int |
5475 | bnx2_test_registers(struct bnx2 *bp) | |
5476 | { | |
5477 | int ret; | |
5bae30c9 | 5478 | int i, is_5709; |
f71e1309 | 5479 | static const struct { |
b6016b76 MC |
5480 | u16 offset; |
5481 | u16 flags; | |
5bae30c9 | 5482 | #define BNX2_FL_NOT_5709 1 |
b6016b76 MC |
5483 | u32 rw_mask; |
5484 | u32 ro_mask; | |
5485 | } reg_tbl[] = { | |
5486 | { 0x006c, 0, 0x00000000, 0x0000003f }, | |
5487 | { 0x0090, 0, 0xffffffff, 0x00000000 }, | |
5488 | { 0x0094, 0, 0x00000000, 0x00000000 }, | |
5489 | ||
5bae30c9 MC |
5490 | { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 }, |
5491 | { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, | |
5492 | { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, | |
5493 | { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff }, | |
5494 | { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 }, | |
5495 | { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 }, | |
5496 | { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff }, | |
5497 | { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, | |
5498 | { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, | |
5499 | ||
5500 | { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, | |
5501 | { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff }, | |
5502 | { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, | |
5503 | { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, | |
5504 | { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, | |
5505 | { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 }, | |
5506 | ||
5507 | { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 }, | |
5508 | { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 }, | |
5509 | { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 }, | |
b6016b76 MC |
5510 | |
5511 | { 0x1000, 0, 0x00000000, 0x00000001 }, | |
15b169cc | 5512 | { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 }, |
b6016b76 MC |
5513 | |
5514 | { 0x1408, 0, 0x01c00800, 0x00000000 }, | |
5515 | { 0x149c, 0, 0x8000ffff, 0x00000000 }, | |
5516 | { 0x14a8, 0, 0x00000000, 0x000001ff }, | |
5b0c76ad | 5517 | { 0x14ac, 0, 0x0fffffff, 0x10000000 }, |
b6016b76 MC |
5518 | { 0x14b0, 0, 0x00000002, 0x00000001 }, |
5519 | { 0x14b8, 0, 0x00000000, 0x00000000 }, | |
5520 | { 0x14c0, 0, 0x00000000, 0x00000009 }, | |
5521 | { 0x14c4, 0, 0x00003fff, 0x00000000 }, | |
5522 | { 0x14cc, 0, 0x00000000, 0x00000001 }, | |
5523 | { 0x14d0, 0, 0xffffffff, 0x00000000 }, | |
b6016b76 MC |
5524 | |
5525 | { 0x1800, 0, 0x00000000, 0x00000001 }, | |
5526 | { 0x1804, 0, 0x00000000, 0x00000003 }, | |
b6016b76 MC |
5527 | |
5528 | { 0x2800, 0, 0x00000000, 0x00000001 }, | |
5529 | { 0x2804, 0, 0x00000000, 0x00003f01 }, | |
5530 | { 0x2808, 0, 0x0f3f3f03, 0x00000000 }, | |
5531 | { 0x2810, 0, 0xffff0000, 0x00000000 }, | |
5532 | { 0x2814, 0, 0xffff0000, 0x00000000 }, | |
5533 | { 0x2818, 0, 0xffff0000, 0x00000000 }, | |
5534 | { 0x281c, 0, 0xffff0000, 0x00000000 }, | |
5535 | { 0x2834, 0, 0xffffffff, 0x00000000 }, | |
5536 | { 0x2840, 0, 0x00000000, 0xffffffff }, | |
5537 | { 0x2844, 0, 0x00000000, 0xffffffff }, | |
5538 | { 0x2848, 0, 0xffffffff, 0x00000000 }, | |
5539 | { 0x284c, 0, 0xf800f800, 0x07ff07ff }, | |
5540 | ||
5541 | { 0x2c00, 0, 0x00000000, 0x00000011 }, | |
5542 | { 0x2c04, 0, 0x00000000, 0x00030007 }, | |
5543 | ||
b6016b76 MC |
5544 | { 0x3c00, 0, 0x00000000, 0x00000001 }, |
5545 | { 0x3c04, 0, 0x00000000, 0x00070000 }, | |
5546 | { 0x3c08, 0, 0x00007f71, 0x07f00000 }, | |
5547 | { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 }, | |
5548 | { 0x3c10, 0, 0xffffffff, 0x00000000 }, | |
5549 | { 0x3c14, 0, 0x00000000, 0xffffffff }, | |
5550 | { 0x3c18, 0, 0x00000000, 0xffffffff }, | |
5551 | { 0x3c1c, 0, 0xfffff000, 0x00000000 }, | |
5552 | { 0x3c20, 0, 0xffffff00, 0x00000000 }, | |
b6016b76 MC |
5553 | |
5554 | { 0x5004, 0, 0x00000000, 0x0000007f }, | |
5555 | { 0x5008, 0, 0x0f0007ff, 0x00000000 }, | |
b6016b76 | 5556 | |
b6016b76 MC |
5557 | { 0x5c00, 0, 0x00000000, 0x00000001 }, |
5558 | { 0x5c04, 0, 0x00000000, 0x0003000f }, | |
5559 | { 0x5c08, 0, 0x00000003, 0x00000000 }, | |
5560 | { 0x5c0c, 0, 0x0000fff8, 0x00000000 }, | |
5561 | { 0x5c10, 0, 0x00000000, 0xffffffff }, | |
5562 | { 0x5c80, 0, 0x00000000, 0x0f7113f1 }, | |
5563 | { 0x5c84, 0, 0x00000000, 0x0000f333 }, | |
5564 | { 0x5c88, 0, 0x00000000, 0x00077373 }, | |
5565 | { 0x5c8c, 0, 0x00000000, 0x0007f737 }, | |
5566 | ||
5567 | { 0x6808, 0, 0x0000ff7f, 0x00000000 }, | |
5568 | { 0x680c, 0, 0xffffffff, 0x00000000 }, | |
5569 | { 0x6810, 0, 0xffffffff, 0x00000000 }, | |
5570 | { 0x6814, 0, 0xffffffff, 0x00000000 }, | |
5571 | { 0x6818, 0, 0xffffffff, 0x00000000 }, | |
5572 | { 0x681c, 0, 0xffffffff, 0x00000000 }, | |
5573 | { 0x6820, 0, 0x00ff00ff, 0x00000000 }, | |
5574 | { 0x6824, 0, 0x00ff00ff, 0x00000000 }, | |
5575 | { 0x6828, 0, 0x00ff00ff, 0x00000000 }, | |
5576 | { 0x682c, 0, 0x03ff03ff, 0x00000000 }, | |
5577 | { 0x6830, 0, 0x03ff03ff, 0x00000000 }, | |
5578 | { 0x6834, 0, 0x03ff03ff, 0x00000000 }, | |
5579 | { 0x6838, 0, 0x03ff03ff, 0x00000000 }, | |
5580 | { 0x683c, 0, 0x0000ffff, 0x00000000 }, | |
5581 | { 0x6840, 0, 0x00000ff0, 0x00000000 }, | |
5582 | { 0x6844, 0, 0x00ffff00, 0x00000000 }, | |
5583 | { 0x684c, 0, 0xffffffff, 0x00000000 }, | |
5584 | { 0x6850, 0, 0x7f7f7f7f, 0x00000000 }, | |
5585 | { 0x6854, 0, 0x7f7f7f7f, 0x00000000 }, | |
5586 | { 0x6858, 0, 0x7f7f7f7f, 0x00000000 }, | |
5587 | { 0x685c, 0, 0x7f7f7f7f, 0x00000000 }, | |
5588 | { 0x6908, 0, 0x00000000, 0x0001ff0f }, | |
5589 | { 0x690c, 0, 0x00000000, 0x0ffe00f0 }, | |
5590 | ||
5591 | { 0xffff, 0, 0x00000000, 0x00000000 }, | |
5592 | }; | |
5593 | ||
5594 | ret = 0; | |
5bae30c9 MC |
5595 | is_5709 = 0; |
5596 | if (CHIP_NUM(bp) == CHIP_NUM_5709) | |
5597 | is_5709 = 1; | |
5598 | ||
b6016b76 MC |
5599 | for (i = 0; reg_tbl[i].offset != 0xffff; i++) { |
5600 | u32 offset, rw_mask, ro_mask, save_val, val; | |
5bae30c9 MC |
5601 | u16 flags = reg_tbl[i].flags; |
5602 | ||
5603 | if (is_5709 && (flags & BNX2_FL_NOT_5709)) | |
5604 | continue; | |
b6016b76 MC |
5605 | |
5606 | offset = (u32) reg_tbl[i].offset; | |
5607 | rw_mask = reg_tbl[i].rw_mask; | |
5608 | ro_mask = reg_tbl[i].ro_mask; | |
5609 | ||
14ab9b86 | 5610 | save_val = readl(bp->regview + offset); |
b6016b76 | 5611 | |
14ab9b86 | 5612 | writel(0, bp->regview + offset); |
b6016b76 | 5613 | |
14ab9b86 | 5614 | val = readl(bp->regview + offset); |
b6016b76 MC |
5615 | if ((val & rw_mask) != 0) { |
5616 | goto reg_test_err; | |
5617 | } | |
5618 | ||
5619 | if ((val & ro_mask) != (save_val & ro_mask)) { | |
5620 | goto reg_test_err; | |
5621 | } | |
5622 | ||
14ab9b86 | 5623 | writel(0xffffffff, bp->regview + offset); |
b6016b76 | 5624 | |
14ab9b86 | 5625 | val = readl(bp->regview + offset); |
b6016b76 MC |
5626 | if ((val & rw_mask) != rw_mask) { |
5627 | goto reg_test_err; | |
5628 | } | |
5629 | ||
5630 | if ((val & ro_mask) != (save_val & ro_mask)) { | |
5631 | goto reg_test_err; | |
5632 | } | |
5633 | ||
14ab9b86 | 5634 | writel(save_val, bp->regview + offset); |
b6016b76 MC |
5635 | continue; |
5636 | ||
5637 | reg_test_err: | |
14ab9b86 | 5638 | writel(save_val, bp->regview + offset); |
b6016b76 MC |
5639 | ret = -ENODEV; |
5640 | break; | |
5641 | } | |
5642 | return ret; | |
5643 | } | |
5644 | ||
5645 | static int | |
5646 | bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size) | |
5647 | { | |
f71e1309 | 5648 | static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555, |
b6016b76 MC |
5649 | 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa }; |
5650 | int i; | |
5651 | ||
5652 | for (i = 0; i < sizeof(test_pattern) / 4; i++) { | |
5653 | u32 offset; | |
5654 | ||
5655 | for (offset = 0; offset < size; offset += 4) { | |
5656 | ||
2726d6e1 | 5657 | bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]); |
b6016b76 | 5658 | |
2726d6e1 | 5659 | if (bnx2_reg_rd_ind(bp, start + offset) != |
b6016b76 MC |
5660 | test_pattern[i]) { |
5661 | return -ENODEV; | |
5662 | } | |
5663 | } | |
5664 | } | |
5665 | return 0; | |
5666 | } | |
5667 | ||
5668 | static int | |
5669 | bnx2_test_memory(struct bnx2 *bp) | |
5670 | { | |
5671 | int ret = 0; | |
5672 | int i; | |
5bae30c9 | 5673 | static struct mem_entry { |
b6016b76 MC |
5674 | u32 offset; |
5675 | u32 len; | |
5bae30c9 | 5676 | } mem_tbl_5706[] = { |
b6016b76 | 5677 | { 0x60000, 0x4000 }, |
5b0c76ad | 5678 | { 0xa0000, 0x3000 }, |
b6016b76 MC |
5679 | { 0xe0000, 0x4000 }, |
5680 | { 0x120000, 0x4000 }, | |
5681 | { 0x1a0000, 0x4000 }, | |
5682 | { 0x160000, 0x4000 }, | |
5683 | { 0xffffffff, 0 }, | |
5bae30c9 MC |
5684 | }, |
5685 | mem_tbl_5709[] = { | |
5686 | { 0x60000, 0x4000 }, | |
5687 | { 0xa0000, 0x3000 }, | |
5688 | { 0xe0000, 0x4000 }, | |
5689 | { 0x120000, 0x4000 }, | |
5690 | { 0x1a0000, 0x4000 }, | |
5691 | { 0xffffffff, 0 }, | |
b6016b76 | 5692 | }; |
5bae30c9 MC |
5693 | struct mem_entry *mem_tbl; |
5694 | ||
5695 | if (CHIP_NUM(bp) == CHIP_NUM_5709) | |
5696 | mem_tbl = mem_tbl_5709; | |
5697 | else | |
5698 | mem_tbl = mem_tbl_5706; | |
b6016b76 MC |
5699 | |
5700 | for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) { | |
5701 | if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset, | |
5702 | mem_tbl[i].len)) != 0) { | |
5703 | return ret; | |
5704 | } | |
5705 | } | |
6aa20a22 | 5706 | |
b6016b76 MC |
5707 | return ret; |
5708 | } | |
5709 | ||
bc5a0690 MC |
5710 | #define BNX2_MAC_LOOPBACK 0 |
5711 | #define BNX2_PHY_LOOPBACK 1 | |
5712 | ||
b6016b76 | 5713 | static int |
bc5a0690 | 5714 | bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) |
b6016b76 MC |
5715 | { |
5716 | unsigned int pkt_size, num_pkts, i; | |
5717 | struct sk_buff *skb, *rx_skb; | |
5718 | unsigned char *packet; | |
bc5a0690 | 5719 | u16 rx_start_idx, rx_idx; |
b6016b76 MC |
5720 | dma_addr_t map; |
5721 | struct tx_bd *txbd; | |
5722 | struct sw_bd *rx_buf; | |
5723 | struct l2_fhdr *rx_hdr; | |
5724 | int ret = -ENODEV; | |
c76c0475 | 5725 | struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi; |
35e9010b | 5726 | struct bnx2_tx_ring_info *txr = &bnapi->tx_ring; |
bb4f98ab | 5727 | struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring; |
c76c0475 MC |
5728 | |
5729 | tx_napi = bnapi; | |
b6016b76 | 5730 | |
35e9010b | 5731 | txr = &tx_napi->tx_ring; |
bb4f98ab | 5732 | rxr = &bnapi->rx_ring; |
bc5a0690 MC |
5733 | if (loopback_mode == BNX2_MAC_LOOPBACK) { |
5734 | bp->loopback = MAC_LOOPBACK; | |
5735 | bnx2_set_mac_loopback(bp); | |
5736 | } | |
5737 | else if (loopback_mode == BNX2_PHY_LOOPBACK) { | |
583c28e5 | 5738 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) |
489310a4 MC |
5739 | return 0; |
5740 | ||
80be4434 | 5741 | bp->loopback = PHY_LOOPBACK; |
bc5a0690 MC |
5742 | bnx2_set_phy_loopback(bp); |
5743 | } | |
5744 | else | |
5745 | return -EINVAL; | |
b6016b76 | 5746 | |
84eaa187 | 5747 | pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4); |
932f3772 | 5748 | skb = netdev_alloc_skb(bp->dev, pkt_size); |
b6cbc3b6 JL |
5749 | if (!skb) |
5750 | return -ENOMEM; | |
b6016b76 | 5751 | packet = skb_put(skb, pkt_size); |
6634292b | 5752 | memcpy(packet, bp->dev->dev_addr, 6); |
b6016b76 MC |
5753 | memset(packet + 6, 0x0, 8); |
5754 | for (i = 14; i < pkt_size; i++) | |
5755 | packet[i] = (unsigned char) (i & 0xff); | |
5756 | ||
36227e88 SG |
5757 | map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size, |
5758 | PCI_DMA_TODEVICE); | |
5759 | if (dma_mapping_error(&bp->pdev->dev, map)) { | |
3d16af86 BL |
5760 | dev_kfree_skb(skb); |
5761 | return -EIO; | |
5762 | } | |
b6016b76 | 5763 | |
bf5295bb MC |
5764 | REG_WR(bp, BNX2_HC_COMMAND, |
5765 | bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); | |
5766 | ||
b6016b76 MC |
5767 | REG_RD(bp, BNX2_HC_COMMAND); |
5768 | ||
5769 | udelay(5); | |
35efa7c1 | 5770 | rx_start_idx = bnx2_get_hw_rx_cons(bnapi); |
b6016b76 | 5771 | |
b6016b76 MC |
5772 | num_pkts = 0; |
5773 | ||
35e9010b | 5774 | txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)]; |
b6016b76 MC |
5775 | |
5776 | txbd->tx_bd_haddr_hi = (u64) map >> 32; | |
5777 | txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff; | |
5778 | txbd->tx_bd_mss_nbytes = pkt_size; | |
5779 | txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END; | |
5780 | ||
5781 | num_pkts++; | |
35e9010b MC |
5782 | txr->tx_prod = NEXT_TX_BD(txr->tx_prod); |
5783 | txr->tx_prod_bseq += pkt_size; | |
b6016b76 | 5784 | |
35e9010b MC |
5785 | REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod); |
5786 | REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq); | |
b6016b76 MC |
5787 | |
5788 | udelay(100); | |
5789 | ||
bf5295bb MC |
5790 | REG_WR(bp, BNX2_HC_COMMAND, |
5791 | bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); | |
5792 | ||
b6016b76 MC |
5793 | REG_RD(bp, BNX2_HC_COMMAND); |
5794 | ||
5795 | udelay(5); | |
5796 | ||
36227e88 | 5797 | dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE); |
745720e5 | 5798 | dev_kfree_skb(skb); |
b6016b76 | 5799 | |
35e9010b | 5800 | if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod) |
b6016b76 | 5801 | goto loopback_test_done; |
b6016b76 | 5802 | |
35efa7c1 | 5803 | rx_idx = bnx2_get_hw_rx_cons(bnapi); |
b6016b76 MC |
5804 | if (rx_idx != rx_start_idx + num_pkts) { |
5805 | goto loopback_test_done; | |
5806 | } | |
5807 | ||
bb4f98ab | 5808 | rx_buf = &rxr->rx_buf_ring[rx_start_idx]; |
b6016b76 MC |
5809 | rx_skb = rx_buf->skb; |
5810 | ||
a33fa66b | 5811 | rx_hdr = rx_buf->desc; |
d89cb6af | 5812 | skb_reserve(rx_skb, BNX2_RX_OFFSET); |
b6016b76 | 5813 | |
36227e88 | 5814 | dma_sync_single_for_cpu(&bp->pdev->dev, |
1a4ccc2d | 5815 | dma_unmap_addr(rx_buf, mapping), |
b6016b76 MC |
5816 | bp->rx_buf_size, PCI_DMA_FROMDEVICE); |
5817 | ||
ade2bfe7 | 5818 | if (rx_hdr->l2_fhdr_status & |
b6016b76 MC |
5819 | (L2_FHDR_ERRORS_BAD_CRC | |
5820 | L2_FHDR_ERRORS_PHY_DECODE | | |
5821 | L2_FHDR_ERRORS_ALIGNMENT | | |
5822 | L2_FHDR_ERRORS_TOO_SHORT | | |
5823 | L2_FHDR_ERRORS_GIANT_FRAME)) { | |
5824 | ||
5825 | goto loopback_test_done; | |
5826 | } | |
5827 | ||
5828 | if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) { | |
5829 | goto loopback_test_done; | |
5830 | } | |
5831 | ||
5832 | for (i = 14; i < pkt_size; i++) { | |
5833 | if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) { | |
5834 | goto loopback_test_done; | |
5835 | } | |
5836 | } | |
5837 | ||
5838 | ret = 0; | |
5839 | ||
5840 | loopback_test_done: | |
5841 | bp->loopback = 0; | |
5842 | return ret; | |
5843 | } | |
5844 | ||
bc5a0690 MC |
5845 | #define BNX2_MAC_LOOPBACK_FAILED 1 |
5846 | #define BNX2_PHY_LOOPBACK_FAILED 2 | |
5847 | #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \ | |
5848 | BNX2_PHY_LOOPBACK_FAILED) | |
5849 | ||
5850 | static int | |
5851 | bnx2_test_loopback(struct bnx2 *bp) | |
5852 | { | |
5853 | int rc = 0; | |
5854 | ||
5855 | if (!netif_running(bp->dev)) | |
5856 | return BNX2_LOOPBACK_FAILED; | |
5857 | ||
5858 | bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET); | |
5859 | spin_lock_bh(&bp->phy_lock); | |
9a120bc5 | 5860 | bnx2_init_phy(bp, 1); |
bc5a0690 MC |
5861 | spin_unlock_bh(&bp->phy_lock); |
5862 | if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK)) | |
5863 | rc |= BNX2_MAC_LOOPBACK_FAILED; | |
5864 | if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK)) | |
5865 | rc |= BNX2_PHY_LOOPBACK_FAILED; | |
5866 | return rc; | |
5867 | } | |
5868 | ||
b6016b76 MC |
5869 | #define NVRAM_SIZE 0x200 |
5870 | #define CRC32_RESIDUAL 0xdebb20e3 | |
5871 | ||
5872 | static int | |
5873 | bnx2_test_nvram(struct bnx2 *bp) | |
5874 | { | |
b491edd5 | 5875 | __be32 buf[NVRAM_SIZE / 4]; |
b6016b76 MC |
5876 | u8 *data = (u8 *) buf; |
5877 | int rc = 0; | |
5878 | u32 magic, csum; | |
5879 | ||
5880 | if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0) | |
5881 | goto test_nvram_done; | |
5882 | ||
5883 | magic = be32_to_cpu(buf[0]); | |
5884 | if (magic != 0x669955aa) { | |
5885 | rc = -ENODEV; | |
5886 | goto test_nvram_done; | |
5887 | } | |
5888 | ||
5889 | if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0) | |
5890 | goto test_nvram_done; | |
5891 | ||
5892 | csum = ether_crc_le(0x100, data); | |
5893 | if (csum != CRC32_RESIDUAL) { | |
5894 | rc = -ENODEV; | |
5895 | goto test_nvram_done; | |
5896 | } | |
5897 | ||
5898 | csum = ether_crc_le(0x100, data + 0x100); | |
5899 | if (csum != CRC32_RESIDUAL) { | |
5900 | rc = -ENODEV; | |
5901 | } | |
5902 | ||
5903 | test_nvram_done: | |
5904 | return rc; | |
5905 | } | |
5906 | ||
5907 | static int | |
5908 | bnx2_test_link(struct bnx2 *bp) | |
5909 | { | |
5910 | u32 bmsr; | |
5911 | ||
9f52b564 MC |
5912 | if (!netif_running(bp->dev)) |
5913 | return -ENODEV; | |
5914 | ||
583c28e5 | 5915 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { |
489310a4 MC |
5916 | if (bp->link_up) |
5917 | return 0; | |
5918 | return -ENODEV; | |
5919 | } | |
c770a65c | 5920 | spin_lock_bh(&bp->phy_lock); |
27a005b8 MC |
5921 | bnx2_enable_bmsr1(bp); |
5922 | bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); | |
5923 | bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr); | |
5924 | bnx2_disable_bmsr1(bp); | |
c770a65c | 5925 | spin_unlock_bh(&bp->phy_lock); |
6aa20a22 | 5926 | |
b6016b76 MC |
5927 | if (bmsr & BMSR_LSTATUS) { |
5928 | return 0; | |
5929 | } | |
5930 | return -ENODEV; | |
5931 | } | |
5932 | ||
5933 | static int | |
5934 | bnx2_test_intr(struct bnx2 *bp) | |
5935 | { | |
5936 | int i; | |
b6016b76 MC |
5937 | u16 status_idx; |
5938 | ||
5939 | if (!netif_running(bp->dev)) | |
5940 | return -ENODEV; | |
5941 | ||
5942 | status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff; | |
5943 | ||
5944 | /* This register is not touched during run-time. */ | |
bf5295bb | 5945 | REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW); |
b6016b76 MC |
5946 | REG_RD(bp, BNX2_HC_COMMAND); |
5947 | ||
5948 | for (i = 0; i < 10; i++) { | |
5949 | if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) != | |
5950 | status_idx) { | |
5951 | ||
5952 | break; | |
5953 | } | |
5954 | ||
5955 | msleep_interruptible(10); | |
5956 | } | |
5957 | if (i < 10) | |
5958 | return 0; | |
5959 | ||
5960 | return -ENODEV; | |
5961 | } | |
5962 | ||
38ea3686 | 5963 | /* Determining link for parallel detection. */ |
b2fadeae MC |
5964 | static int |
5965 | bnx2_5706_serdes_has_link(struct bnx2 *bp) | |
5966 | { | |
5967 | u32 mode_ctl, an_dbg, exp; | |
5968 | ||
38ea3686 MC |
5969 | if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL) |
5970 | return 0; | |
5971 | ||
b2fadeae MC |
5972 | bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL); |
5973 | bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl); | |
5974 | ||
5975 | if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET)) | |
5976 | return 0; | |
5977 | ||
5978 | bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); | |
5979 | bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); | |
5980 | bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg); | |
5981 | ||
f3014c0c | 5982 | if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID)) |
b2fadeae MC |
5983 | return 0; |
5984 | ||
5985 | bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1); | |
5986 | bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp); | |
5987 | bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp); | |
5988 | ||
5989 | if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */ | |
5990 | return 0; | |
5991 | ||
5992 | return 1; | |
5993 | } | |
5994 | ||
b6016b76 | 5995 | static void |
48b01e2d | 5996 | bnx2_5706_serdes_timer(struct bnx2 *bp) |
b6016b76 | 5997 | { |
b2fadeae MC |
5998 | int check_link = 1; |
5999 | ||
48b01e2d | 6000 | spin_lock(&bp->phy_lock); |
b2fadeae | 6001 | if (bp->serdes_an_pending) { |
48b01e2d | 6002 | bp->serdes_an_pending--; |
b2fadeae MC |
6003 | check_link = 0; |
6004 | } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { | |
48b01e2d | 6005 | u32 bmcr; |
b6016b76 | 6006 | |
ac392abc | 6007 | bp->current_interval = BNX2_TIMER_INTERVAL; |
cd339a0e | 6008 | |
ca58c3af | 6009 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
b6016b76 | 6010 | |
48b01e2d | 6011 | if (bmcr & BMCR_ANENABLE) { |
b2fadeae | 6012 | if (bnx2_5706_serdes_has_link(bp)) { |
48b01e2d MC |
6013 | bmcr &= ~BMCR_ANENABLE; |
6014 | bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX; | |
ca58c3af | 6015 | bnx2_write_phy(bp, bp->mii_bmcr, bmcr); |
583c28e5 | 6016 | bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT; |
48b01e2d | 6017 | } |
b6016b76 | 6018 | } |
48b01e2d MC |
6019 | } |
6020 | else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) && | |
583c28e5 | 6021 | (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) { |
48b01e2d | 6022 | u32 phy2; |
b6016b76 | 6023 | |
48b01e2d MC |
6024 | bnx2_write_phy(bp, 0x17, 0x0f01); |
6025 | bnx2_read_phy(bp, 0x15, &phy2); | |
6026 | if (phy2 & 0x20) { | |
6027 | u32 bmcr; | |
cd339a0e | 6028 | |
ca58c3af | 6029 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
48b01e2d | 6030 | bmcr |= BMCR_ANENABLE; |
ca58c3af | 6031 | bnx2_write_phy(bp, bp->mii_bmcr, bmcr); |
b6016b76 | 6032 | |
583c28e5 | 6033 | bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT; |
48b01e2d MC |
6034 | } |
6035 | } else | |
ac392abc | 6036 | bp->current_interval = BNX2_TIMER_INTERVAL; |
b6016b76 | 6037 | |
a2724e25 | 6038 | if (check_link) { |
b2fadeae MC |
6039 | u32 val; |
6040 | ||
6041 | bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG); | |
6042 | bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val); | |
6043 | bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val); | |
6044 | ||
a2724e25 MC |
6045 | if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) { |
6046 | if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) { | |
6047 | bnx2_5706s_force_link_dn(bp, 1); | |
6048 | bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN; | |
6049 | } else | |
6050 | bnx2_set_link(bp); | |
6051 | } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC)) | |
6052 | bnx2_set_link(bp); | |
b2fadeae | 6053 | } |
48b01e2d MC |
6054 | spin_unlock(&bp->phy_lock); |
6055 | } | |
b6016b76 | 6056 | |
f8dd064e MC |
6057 | static void |
6058 | bnx2_5708_serdes_timer(struct bnx2 *bp) | |
6059 | { | |
583c28e5 | 6060 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) |
0d8a6571 MC |
6061 | return; |
6062 | ||
583c28e5 | 6063 | if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) { |
f8dd064e MC |
6064 | bp->serdes_an_pending = 0; |
6065 | return; | |
6066 | } | |
b6016b76 | 6067 | |
f8dd064e MC |
6068 | spin_lock(&bp->phy_lock); |
6069 | if (bp->serdes_an_pending) | |
6070 | bp->serdes_an_pending--; | |
6071 | else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { | |
6072 | u32 bmcr; | |
b6016b76 | 6073 | |
ca58c3af | 6074 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
f8dd064e | 6075 | if (bmcr & BMCR_ANENABLE) { |
605a9e20 | 6076 | bnx2_enable_forced_2g5(bp); |
40105c0b | 6077 | bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT; |
f8dd064e | 6078 | } else { |
605a9e20 | 6079 | bnx2_disable_forced_2g5(bp); |
f8dd064e | 6080 | bp->serdes_an_pending = 2; |
ac392abc | 6081 | bp->current_interval = BNX2_TIMER_INTERVAL; |
b6016b76 | 6082 | } |
b6016b76 | 6083 | |
f8dd064e | 6084 | } else |
ac392abc | 6085 | bp->current_interval = BNX2_TIMER_INTERVAL; |
b6016b76 | 6086 | |
f8dd064e MC |
6087 | spin_unlock(&bp->phy_lock); |
6088 | } | |
6089 | ||
48b01e2d MC |
6090 | static void |
6091 | bnx2_timer(unsigned long data) | |
6092 | { | |
6093 | struct bnx2 *bp = (struct bnx2 *) data; | |
b6016b76 | 6094 | |
48b01e2d MC |
6095 | if (!netif_running(bp->dev)) |
6096 | return; | |
b6016b76 | 6097 | |
48b01e2d MC |
6098 | if (atomic_read(&bp->intr_sem) != 0) |
6099 | goto bnx2_restart_timer; | |
b6016b76 | 6100 | |
efba0180 MC |
6101 | if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) == |
6102 | BNX2_FLAG_USING_MSI) | |
6103 | bnx2_chk_missed_msi(bp); | |
6104 | ||
df149d70 | 6105 | bnx2_send_heart_beat(bp); |
b6016b76 | 6106 | |
2726d6e1 MC |
6107 | bp->stats_blk->stat_FwRxDrop = |
6108 | bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT); | |
b6016b76 | 6109 | |
02537b06 | 6110 | /* workaround occasional corrupted counters */ |
61d9e3fa | 6111 | if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks) |
02537b06 MC |
6112 | REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | |
6113 | BNX2_HC_COMMAND_STATS_NOW); | |
6114 | ||
583c28e5 | 6115 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
f8dd064e MC |
6116 | if (CHIP_NUM(bp) == CHIP_NUM_5706) |
6117 | bnx2_5706_serdes_timer(bp); | |
27a005b8 | 6118 | else |
f8dd064e | 6119 | bnx2_5708_serdes_timer(bp); |
b6016b76 MC |
6120 | } |
6121 | ||
6122 | bnx2_restart_timer: | |
cd339a0e | 6123 | mod_timer(&bp->timer, jiffies + bp->current_interval); |
b6016b76 MC |
6124 | } |
6125 | ||
8e6a72c4 MC |
6126 | static int |
6127 | bnx2_request_irq(struct bnx2 *bp) | |
6128 | { | |
6d866ffc | 6129 | unsigned long flags; |
b4b36042 MC |
6130 | struct bnx2_irq *irq; |
6131 | int rc = 0, i; | |
8e6a72c4 | 6132 | |
f86e82fb | 6133 | if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX) |
6d866ffc MC |
6134 | flags = 0; |
6135 | else | |
6136 | flags = IRQF_SHARED; | |
b4b36042 MC |
6137 | |
6138 | for (i = 0; i < bp->irq_nvecs; i++) { | |
6139 | irq = &bp->irq_tbl[i]; | |
c76c0475 | 6140 | rc = request_irq(irq->vector, irq->handler, flags, irq->name, |
f0ea2e63 | 6141 | &bp->bnx2_napi[i]); |
b4b36042 MC |
6142 | if (rc) |
6143 | break; | |
6144 | irq->requested = 1; | |
6145 | } | |
8e6a72c4 MC |
6146 | return rc; |
6147 | } | |
6148 | ||
6149 | static void | |
a29ba9d2 | 6150 | __bnx2_free_irq(struct bnx2 *bp) |
8e6a72c4 | 6151 | { |
b4b36042 MC |
6152 | struct bnx2_irq *irq; |
6153 | int i; | |
8e6a72c4 | 6154 | |
b4b36042 MC |
6155 | for (i = 0; i < bp->irq_nvecs; i++) { |
6156 | irq = &bp->irq_tbl[i]; | |
6157 | if (irq->requested) | |
f0ea2e63 | 6158 | free_irq(irq->vector, &bp->bnx2_napi[i]); |
b4b36042 | 6159 | irq->requested = 0; |
6d866ffc | 6160 | } |
a29ba9d2 MC |
6161 | } |
6162 | ||
6163 | static void | |
6164 | bnx2_free_irq(struct bnx2 *bp) | |
6165 | { | |
6166 | ||
6167 | __bnx2_free_irq(bp); | |
f86e82fb | 6168 | if (bp->flags & BNX2_FLAG_USING_MSI) |
b4b36042 | 6169 | pci_disable_msi(bp->pdev); |
f86e82fb | 6170 | else if (bp->flags & BNX2_FLAG_USING_MSIX) |
b4b36042 MC |
6171 | pci_disable_msix(bp->pdev); |
6172 | ||
f86e82fb | 6173 | bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI); |
b4b36042 MC |
6174 | } |
6175 | ||
6176 | static void | |
5e9ad9e1 | 6177 | bnx2_enable_msix(struct bnx2 *bp, int msix_vecs) |
b4b36042 | 6178 | { |
379b39a2 | 6179 | int i, total_vecs, rc; |
57851d84 | 6180 | struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC]; |
4e1d0de9 MC |
6181 | struct net_device *dev = bp->dev; |
6182 | const int len = sizeof(bp->irq_tbl[0].name); | |
57851d84 | 6183 | |
b4b36042 MC |
6184 | bnx2_setup_msix_tbl(bp); |
6185 | REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1); | |
6186 | REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE); | |
6187 | REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE); | |
57851d84 | 6188 | |
e2eb8e38 BL |
6189 | /* Need to flush the previous three writes to ensure MSI-X |
6190 | * is setup properly */ | |
6191 | REG_RD(bp, BNX2_PCI_MSIX_CONTROL); | |
6192 | ||
57851d84 MC |
6193 | for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) { |
6194 | msix_ent[i].entry = i; | |
6195 | msix_ent[i].vector = 0; | |
6196 | } | |
6197 | ||
379b39a2 MC |
6198 | total_vecs = msix_vecs; |
6199 | #ifdef BCM_CNIC | |
6200 | total_vecs++; | |
6201 | #endif | |
6202 | rc = -ENOSPC; | |
6203 | while (total_vecs >= BNX2_MIN_MSIX_VEC) { | |
6204 | rc = pci_enable_msix(bp->pdev, msix_ent, total_vecs); | |
6205 | if (rc <= 0) | |
6206 | break; | |
6207 | if (rc > 0) | |
6208 | total_vecs = rc; | |
6209 | } | |
6210 | ||
57851d84 MC |
6211 | if (rc != 0) |
6212 | return; | |
6213 | ||
379b39a2 MC |
6214 | msix_vecs = total_vecs; |
6215 | #ifdef BCM_CNIC | |
6216 | msix_vecs--; | |
6217 | #endif | |
5e9ad9e1 | 6218 | bp->irq_nvecs = msix_vecs; |
f86e82fb | 6219 | bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI; |
379b39a2 | 6220 | for (i = 0; i < total_vecs; i++) { |
57851d84 | 6221 | bp->irq_tbl[i].vector = msix_ent[i].vector; |
69010313 MC |
6222 | snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i); |
6223 | bp->irq_tbl[i].handler = bnx2_msi_1shot; | |
6224 | } | |
6d866ffc MC |
6225 | } |
6226 | ||
657d92fe | 6227 | static int |
6d866ffc MC |
6228 | bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi) |
6229 | { | |
5e9ad9e1 | 6230 | int cpus = num_online_cpus(); |
706bf240 | 6231 | int msix_vecs = min(cpus + 1, RX_MAX_RINGS); |
5e9ad9e1 | 6232 | |
6d866ffc MC |
6233 | bp->irq_tbl[0].handler = bnx2_interrupt; |
6234 | strcpy(bp->irq_tbl[0].name, bp->dev->name); | |
b4b36042 MC |
6235 | bp->irq_nvecs = 1; |
6236 | bp->irq_tbl[0].vector = bp->pdev->irq; | |
6237 | ||
3d5f3a7b | 6238 | if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi) |
5e9ad9e1 | 6239 | bnx2_enable_msix(bp, msix_vecs); |
6d866ffc | 6240 | |
f86e82fb DM |
6241 | if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi && |
6242 | !(bp->flags & BNX2_FLAG_USING_MSIX)) { | |
6d866ffc | 6243 | if (pci_enable_msi(bp->pdev) == 0) { |
f86e82fb | 6244 | bp->flags |= BNX2_FLAG_USING_MSI; |
6d866ffc | 6245 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
f86e82fb | 6246 | bp->flags |= BNX2_FLAG_ONE_SHOT_MSI; |
6d866ffc MC |
6247 | bp->irq_tbl[0].handler = bnx2_msi_1shot; |
6248 | } else | |
6249 | bp->irq_tbl[0].handler = bnx2_msi; | |
b4b36042 MC |
6250 | |
6251 | bp->irq_tbl[0].vector = bp->pdev->irq; | |
6d866ffc MC |
6252 | } |
6253 | } | |
706bf240 BL |
6254 | |
6255 | bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs); | |
657d92fe | 6256 | netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings); |
706bf240 | 6257 | |
5e9ad9e1 | 6258 | bp->num_rx_rings = bp->irq_nvecs; |
657d92fe | 6259 | return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings); |
8e6a72c4 MC |
6260 | } |
6261 | ||
b6016b76 MC |
6262 | /* Called with rtnl_lock */ |
6263 | static int | |
6264 | bnx2_open(struct net_device *dev) | |
6265 | { | |
972ec0d4 | 6266 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
6267 | int rc; |
6268 | ||
1b2f922f MC |
6269 | netif_carrier_off(dev); |
6270 | ||
829ca9a3 | 6271 | bnx2_set_power_state(bp, PCI_D0); |
b6016b76 MC |
6272 | bnx2_disable_int(bp); |
6273 | ||
657d92fe BH |
6274 | rc = bnx2_setup_int_mode(bp, disable_msi); |
6275 | if (rc) | |
6276 | goto open_err; | |
4327ba43 | 6277 | bnx2_init_napi(bp); |
35e9010b | 6278 | bnx2_napi_enable(bp); |
b6016b76 | 6279 | rc = bnx2_alloc_mem(bp); |
2739a8bb MC |
6280 | if (rc) |
6281 | goto open_err; | |
b6016b76 | 6282 | |
8e6a72c4 | 6283 | rc = bnx2_request_irq(bp); |
2739a8bb MC |
6284 | if (rc) |
6285 | goto open_err; | |
b6016b76 | 6286 | |
9a120bc5 | 6287 | rc = bnx2_init_nic(bp, 1); |
2739a8bb MC |
6288 | if (rc) |
6289 | goto open_err; | |
6aa20a22 | 6290 | |
cd339a0e | 6291 | mod_timer(&bp->timer, jiffies + bp->current_interval); |
b6016b76 MC |
6292 | |
6293 | atomic_set(&bp->intr_sem, 0); | |
6294 | ||
354fcd77 MC |
6295 | memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block)); |
6296 | ||
b6016b76 MC |
6297 | bnx2_enable_int(bp); |
6298 | ||
f86e82fb | 6299 | if (bp->flags & BNX2_FLAG_USING_MSI) { |
b6016b76 MC |
6300 | /* Test MSI to make sure it is working |
6301 | * If MSI test fails, go back to INTx mode | |
6302 | */ | |
6303 | if (bnx2_test_intr(bp) != 0) { | |
3a9c6a49 | 6304 | 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"); |
b6016b76 MC |
6305 | |
6306 | bnx2_disable_int(bp); | |
8e6a72c4 | 6307 | bnx2_free_irq(bp); |
b6016b76 | 6308 | |
6d866ffc MC |
6309 | bnx2_setup_int_mode(bp, 1); |
6310 | ||
9a120bc5 | 6311 | rc = bnx2_init_nic(bp, 0); |
b6016b76 | 6312 | |
8e6a72c4 MC |
6313 | if (!rc) |
6314 | rc = bnx2_request_irq(bp); | |
6315 | ||
b6016b76 | 6316 | if (rc) { |
b6016b76 | 6317 | del_timer_sync(&bp->timer); |
2739a8bb | 6318 | goto open_err; |
b6016b76 MC |
6319 | } |
6320 | bnx2_enable_int(bp); | |
6321 | } | |
6322 | } | |
f86e82fb | 6323 | if (bp->flags & BNX2_FLAG_USING_MSI) |
3a9c6a49 | 6324 | netdev_info(dev, "using MSI\n"); |
f86e82fb | 6325 | else if (bp->flags & BNX2_FLAG_USING_MSIX) |
3a9c6a49 | 6326 | netdev_info(dev, "using MSIX\n"); |
b6016b76 | 6327 | |
706bf240 | 6328 | netif_tx_start_all_queues(dev); |
b6016b76 MC |
6329 | |
6330 | return 0; | |
2739a8bb MC |
6331 | |
6332 | open_err: | |
6333 | bnx2_napi_disable(bp); | |
6334 | bnx2_free_skbs(bp); | |
6335 | bnx2_free_irq(bp); | |
6336 | bnx2_free_mem(bp); | |
f048fa9c | 6337 | bnx2_del_napi(bp); |
2739a8bb | 6338 | return rc; |
b6016b76 MC |
6339 | } |
6340 | ||
6341 | static void | |
c4028958 | 6342 | bnx2_reset_task(struct work_struct *work) |
b6016b76 | 6343 | { |
c4028958 | 6344 | struct bnx2 *bp = container_of(work, struct bnx2, reset_task); |
cd634019 | 6345 | int rc; |
b6016b76 | 6346 | |
51bf6bb4 MC |
6347 | rtnl_lock(); |
6348 | if (!netif_running(bp->dev)) { | |
6349 | rtnl_unlock(); | |
afdc08b9 | 6350 | return; |
51bf6bb4 | 6351 | } |
afdc08b9 | 6352 | |
212f9934 | 6353 | bnx2_netif_stop(bp, true); |
b6016b76 | 6354 | |
cd634019 MC |
6355 | rc = bnx2_init_nic(bp, 1); |
6356 | if (rc) { | |
6357 | netdev_err(bp->dev, "failed to reset NIC, closing\n"); | |
6358 | bnx2_napi_enable(bp); | |
6359 | dev_close(bp->dev); | |
6360 | rtnl_unlock(); | |
6361 | return; | |
6362 | } | |
b6016b76 MC |
6363 | |
6364 | atomic_set(&bp->intr_sem, 1); | |
212f9934 | 6365 | bnx2_netif_start(bp, true); |
51bf6bb4 | 6366 | rtnl_unlock(); |
b6016b76 MC |
6367 | } |
6368 | ||
20175c57 MC |
6369 | static void |
6370 | bnx2_dump_state(struct bnx2 *bp) | |
6371 | { | |
6372 | struct net_device *dev = bp->dev; | |
ecdbf6e0 | 6373 | u32 val1, val2; |
5804a8fb MC |
6374 | |
6375 | pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1); | |
6376 | netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n", | |
6377 | atomic_read(&bp->intr_sem), val1); | |
6378 | pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1); | |
6379 | pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2); | |
6380 | netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2); | |
b98eba52 | 6381 | netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n", |
3a9c6a49 | 6382 | REG_RD(bp, BNX2_EMAC_TX_STATUS), |
b98eba52 EW |
6383 | REG_RD(bp, BNX2_EMAC_RX_STATUS)); |
6384 | netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n", | |
3a9c6a49 | 6385 | REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL)); |
3a9c6a49 JP |
6386 | netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n", |
6387 | REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS)); | |
20175c57 | 6388 | if (bp->flags & BNX2_FLAG_USING_MSIX) |
3a9c6a49 JP |
6389 | netdev_err(dev, "DEBUG: PBA[%08x]\n", |
6390 | REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE)); | |
20175c57 MC |
6391 | } |
6392 | ||
b6016b76 MC |
6393 | static void |
6394 | bnx2_tx_timeout(struct net_device *dev) | |
6395 | { | |
972ec0d4 | 6396 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 6397 | |
20175c57 | 6398 | bnx2_dump_state(bp); |
ecdbf6e0 | 6399 | bnx2_dump_mcp_state(bp); |
20175c57 | 6400 | |
b6016b76 MC |
6401 | /* This allows the netif to be shutdown gracefully before resetting */ |
6402 | schedule_work(&bp->reset_task); | |
6403 | } | |
6404 | ||
932ff279 | 6405 | /* Called with netif_tx_lock. |
2f8af120 MC |
6406 | * bnx2_tx_int() runs without netif_tx_lock unless it needs to call |
6407 | * netif_wake_queue(). | |
b6016b76 | 6408 | */ |
61357325 | 6409 | static netdev_tx_t |
b6016b76 MC |
6410 | bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) |
6411 | { | |
972ec0d4 | 6412 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
6413 | dma_addr_t mapping; |
6414 | struct tx_bd *txbd; | |
3d16af86 | 6415 | struct sw_tx_bd *tx_buf; |
b6016b76 MC |
6416 | u32 len, vlan_tag_flags, last_frag, mss; |
6417 | u16 prod, ring_prod; | |
6418 | int i; | |
706bf240 BL |
6419 | struct bnx2_napi *bnapi; |
6420 | struct bnx2_tx_ring_info *txr; | |
6421 | struct netdev_queue *txq; | |
6422 | ||
6423 | /* Determine which tx ring we will be placed on */ | |
6424 | i = skb_get_queue_mapping(skb); | |
6425 | bnapi = &bp->bnx2_napi[i]; | |
6426 | txr = &bnapi->tx_ring; | |
6427 | txq = netdev_get_tx_queue(dev, i); | |
b6016b76 | 6428 | |
35e9010b | 6429 | if (unlikely(bnx2_tx_avail(bp, txr) < |
a550c99b | 6430 | (skb_shinfo(skb)->nr_frags + 1))) { |
706bf240 | 6431 | netif_tx_stop_queue(txq); |
3a9c6a49 | 6432 | netdev_err(dev, "BUG! Tx ring full when queue awake!\n"); |
b6016b76 MC |
6433 | |
6434 | return NETDEV_TX_BUSY; | |
6435 | } | |
6436 | len = skb_headlen(skb); | |
35e9010b | 6437 | prod = txr->tx_prod; |
b6016b76 MC |
6438 | ring_prod = TX_RING_IDX(prod); |
6439 | ||
6440 | vlan_tag_flags = 0; | |
84fa7933 | 6441 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
b6016b76 MC |
6442 | vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM; |
6443 | } | |
6444 | ||
eab6d18d | 6445 | if (vlan_tx_tag_present(skb)) { |
b6016b76 MC |
6446 | vlan_tag_flags |= |
6447 | (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16)); | |
6448 | } | |
7d0fd211 | 6449 | |
fde82055 | 6450 | if ((mss = skb_shinfo(skb)->gso_size)) { |
a1efb4b6 | 6451 | u32 tcp_opt_len; |
eddc9ec5 | 6452 | struct iphdr *iph; |
b6016b76 | 6453 | |
b6016b76 MC |
6454 | vlan_tag_flags |= TX_BD_FLAGS_SW_LSO; |
6455 | ||
4666f87a MC |
6456 | tcp_opt_len = tcp_optlen(skb); |
6457 | ||
6458 | if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) { | |
6459 | u32 tcp_off = skb_transport_offset(skb) - | |
6460 | sizeof(struct ipv6hdr) - ETH_HLEN; | |
ab6a5bb6 | 6461 | |
4666f87a MC |
6462 | vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) | |
6463 | TX_BD_FLAGS_SW_FLAGS; | |
6464 | if (likely(tcp_off == 0)) | |
6465 | vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK; | |
6466 | else { | |
6467 | tcp_off >>= 3; | |
6468 | vlan_tag_flags |= ((tcp_off & 0x3) << | |
6469 | TX_BD_FLAGS_TCP6_OFF0_SHL) | | |
6470 | ((tcp_off & 0x10) << | |
6471 | TX_BD_FLAGS_TCP6_OFF4_SHL); | |
6472 | mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL; | |
6473 | } | |
6474 | } else { | |
4666f87a | 6475 | iph = ip_hdr(skb); |
4666f87a MC |
6476 | if (tcp_opt_len || (iph->ihl > 5)) { |
6477 | vlan_tag_flags |= ((iph->ihl - 5) + | |
6478 | (tcp_opt_len >> 2)) << 8; | |
6479 | } | |
b6016b76 | 6480 | } |
4666f87a | 6481 | } else |
b6016b76 | 6482 | mss = 0; |
b6016b76 | 6483 | |
36227e88 SG |
6484 | mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE); |
6485 | if (dma_mapping_error(&bp->pdev->dev, mapping)) { | |
3d16af86 BL |
6486 | dev_kfree_skb(skb); |
6487 | return NETDEV_TX_OK; | |
6488 | } | |
6489 | ||
35e9010b | 6490 | tx_buf = &txr->tx_buf_ring[ring_prod]; |
b6016b76 | 6491 | tx_buf->skb = skb; |
1a4ccc2d | 6492 | dma_unmap_addr_set(tx_buf, mapping, mapping); |
b6016b76 | 6493 | |
35e9010b | 6494 | txbd = &txr->tx_desc_ring[ring_prod]; |
b6016b76 MC |
6495 | |
6496 | txbd->tx_bd_haddr_hi = (u64) mapping >> 32; | |
6497 | txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff; | |
6498 | txbd->tx_bd_mss_nbytes = len | (mss << 16); | |
6499 | txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START; | |
6500 | ||
6501 | last_frag = skb_shinfo(skb)->nr_frags; | |
d62fda08 ED |
6502 | tx_buf->nr_frags = last_frag; |
6503 | tx_buf->is_gso = skb_is_gso(skb); | |
b6016b76 MC |
6504 | |
6505 | for (i = 0; i < last_frag; i++) { | |
6506 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
6507 | ||
6508 | prod = NEXT_TX_BD(prod); | |
6509 | ring_prod = TX_RING_IDX(prod); | |
35e9010b | 6510 | txbd = &txr->tx_desc_ring[ring_prod]; |
b6016b76 MC |
6511 | |
6512 | len = frag->size; | |
36227e88 SG |
6513 | mapping = dma_map_page(&bp->pdev->dev, frag->page, frag->page_offset, |
6514 | len, PCI_DMA_TODEVICE); | |
6515 | if (dma_mapping_error(&bp->pdev->dev, mapping)) | |
e95524a7 | 6516 | goto dma_error; |
1a4ccc2d | 6517 | dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping, |
e95524a7 | 6518 | mapping); |
b6016b76 MC |
6519 | |
6520 | txbd->tx_bd_haddr_hi = (u64) mapping >> 32; | |
6521 | txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff; | |
6522 | txbd->tx_bd_mss_nbytes = len | (mss << 16); | |
6523 | txbd->tx_bd_vlan_tag_flags = vlan_tag_flags; | |
6524 | ||
6525 | } | |
6526 | txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END; | |
6527 | ||
6528 | prod = NEXT_TX_BD(prod); | |
35e9010b | 6529 | txr->tx_prod_bseq += skb->len; |
b6016b76 | 6530 | |
35e9010b MC |
6531 | REG_WR16(bp, txr->tx_bidx_addr, prod); |
6532 | REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq); | |
b6016b76 MC |
6533 | |
6534 | mmiowb(); | |
6535 | ||
35e9010b | 6536 | txr->tx_prod = prod; |
b6016b76 | 6537 | |
35e9010b | 6538 | if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) { |
706bf240 | 6539 | netif_tx_stop_queue(txq); |
11848b96 MC |
6540 | |
6541 | /* netif_tx_stop_queue() must be done before checking | |
6542 | * tx index in bnx2_tx_avail() below, because in | |
6543 | * bnx2_tx_int(), we update tx index before checking for | |
6544 | * netif_tx_queue_stopped(). | |
6545 | */ | |
6546 | smp_mb(); | |
35e9010b | 6547 | if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh) |
706bf240 | 6548 | netif_tx_wake_queue(txq); |
b6016b76 MC |
6549 | } |
6550 | ||
e95524a7 AD |
6551 | return NETDEV_TX_OK; |
6552 | dma_error: | |
6553 | /* save value of frag that failed */ | |
6554 | last_frag = i; | |
6555 | ||
6556 | /* start back at beginning and unmap skb */ | |
6557 | prod = txr->tx_prod; | |
6558 | ring_prod = TX_RING_IDX(prod); | |
6559 | tx_buf = &txr->tx_buf_ring[ring_prod]; | |
6560 | tx_buf->skb = NULL; | |
36227e88 | 6561 | dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping), |
e95524a7 AD |
6562 | skb_headlen(skb), PCI_DMA_TODEVICE); |
6563 | ||
6564 | /* unmap remaining mapped pages */ | |
6565 | for (i = 0; i < last_frag; i++) { | |
6566 | prod = NEXT_TX_BD(prod); | |
6567 | ring_prod = TX_RING_IDX(prod); | |
6568 | tx_buf = &txr->tx_buf_ring[ring_prod]; | |
36227e88 | 6569 | dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping), |
e95524a7 AD |
6570 | skb_shinfo(skb)->frags[i].size, |
6571 | PCI_DMA_TODEVICE); | |
6572 | } | |
6573 | ||
6574 | dev_kfree_skb(skb); | |
b6016b76 MC |
6575 | return NETDEV_TX_OK; |
6576 | } | |
6577 | ||
6578 | /* Called with rtnl_lock */ | |
6579 | static int | |
6580 | bnx2_close(struct net_device *dev) | |
6581 | { | |
972ec0d4 | 6582 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 6583 | |
bea3348e | 6584 | bnx2_disable_int_sync(bp); |
35efa7c1 | 6585 | bnx2_napi_disable(bp); |
b6016b76 | 6586 | del_timer_sync(&bp->timer); |
74bf4ba3 | 6587 | bnx2_shutdown_chip(bp); |
8e6a72c4 | 6588 | bnx2_free_irq(bp); |
b6016b76 MC |
6589 | bnx2_free_skbs(bp); |
6590 | bnx2_free_mem(bp); | |
f048fa9c | 6591 | bnx2_del_napi(bp); |
b6016b76 MC |
6592 | bp->link_up = 0; |
6593 | netif_carrier_off(bp->dev); | |
829ca9a3 | 6594 | bnx2_set_power_state(bp, PCI_D3hot); |
b6016b76 MC |
6595 | return 0; |
6596 | } | |
6597 | ||
354fcd77 MC |
6598 | static void |
6599 | bnx2_save_stats(struct bnx2 *bp) | |
6600 | { | |
6601 | u32 *hw_stats = (u32 *) bp->stats_blk; | |
6602 | u32 *temp_stats = (u32 *) bp->temp_stats_blk; | |
6603 | int i; | |
6604 | ||
6605 | /* The 1st 10 counters are 64-bit counters */ | |
6606 | for (i = 0; i < 20; i += 2) { | |
6607 | u32 hi; | |
6608 | u64 lo; | |
6609 | ||
c9885fe5 PR |
6610 | hi = temp_stats[i] + hw_stats[i]; |
6611 | lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1]; | |
354fcd77 MC |
6612 | if (lo > 0xffffffff) |
6613 | hi++; | |
c9885fe5 PR |
6614 | temp_stats[i] = hi; |
6615 | temp_stats[i + 1] = lo & 0xffffffff; | |
354fcd77 MC |
6616 | } |
6617 | ||
6618 | for ( ; i < sizeof(struct statistics_block) / 4; i++) | |
c9885fe5 | 6619 | temp_stats[i] += hw_stats[i]; |
354fcd77 MC |
6620 | } |
6621 | ||
5d07bf26 ED |
6622 | #define GET_64BIT_NET_STATS64(ctr) \ |
6623 | (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo)) | |
b6016b76 | 6624 | |
a4743058 | 6625 | #define GET_64BIT_NET_STATS(ctr) \ |
354fcd77 MC |
6626 | GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \ |
6627 | GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr) | |
b6016b76 | 6628 | |
a4743058 | 6629 | #define GET_32BIT_NET_STATS(ctr) \ |
354fcd77 MC |
6630 | (unsigned long) (bp->stats_blk->ctr + \ |
6631 | bp->temp_stats_blk->ctr) | |
a4743058 | 6632 | |
5d07bf26 ED |
6633 | static struct rtnl_link_stats64 * |
6634 | bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats) | |
b6016b76 | 6635 | { |
972ec0d4 | 6636 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 6637 | |
5d07bf26 | 6638 | if (bp->stats_blk == NULL) |
b6016b76 | 6639 | return net_stats; |
5d07bf26 | 6640 | |
b6016b76 | 6641 | net_stats->rx_packets = |
a4743058 MC |
6642 | GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) + |
6643 | GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) + | |
6644 | GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts); | |
b6016b76 MC |
6645 | |
6646 | net_stats->tx_packets = | |
a4743058 MC |
6647 | GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) + |
6648 | GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) + | |
6649 | GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts); | |
b6016b76 MC |
6650 | |
6651 | net_stats->rx_bytes = | |
a4743058 | 6652 | GET_64BIT_NET_STATS(stat_IfHCInOctets); |
b6016b76 MC |
6653 | |
6654 | net_stats->tx_bytes = | |
a4743058 | 6655 | GET_64BIT_NET_STATS(stat_IfHCOutOctets); |
b6016b76 | 6656 | |
6aa20a22 | 6657 | net_stats->multicast = |
6fdae995 | 6658 | GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts); |
b6016b76 | 6659 | |
6aa20a22 | 6660 | net_stats->collisions = |
a4743058 | 6661 | GET_32BIT_NET_STATS(stat_EtherStatsCollisions); |
b6016b76 | 6662 | |
6aa20a22 | 6663 | net_stats->rx_length_errors = |
a4743058 MC |
6664 | GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) + |
6665 | GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts); | |
b6016b76 | 6666 | |
6aa20a22 | 6667 | net_stats->rx_over_errors = |
a4743058 MC |
6668 | GET_32BIT_NET_STATS(stat_IfInFTQDiscards) + |
6669 | GET_32BIT_NET_STATS(stat_IfInMBUFDiscards); | |
b6016b76 | 6670 | |
6aa20a22 | 6671 | net_stats->rx_frame_errors = |
a4743058 | 6672 | GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors); |
b6016b76 | 6673 | |
6aa20a22 | 6674 | net_stats->rx_crc_errors = |
a4743058 | 6675 | GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors); |
b6016b76 MC |
6676 | |
6677 | net_stats->rx_errors = net_stats->rx_length_errors + | |
6678 | net_stats->rx_over_errors + net_stats->rx_frame_errors + | |
6679 | net_stats->rx_crc_errors; | |
6680 | ||
6681 | net_stats->tx_aborted_errors = | |
a4743058 MC |
6682 | GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) + |
6683 | GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions); | |
b6016b76 | 6684 | |
5b0c76ad MC |
6685 | if ((CHIP_NUM(bp) == CHIP_NUM_5706) || |
6686 | (CHIP_ID(bp) == CHIP_ID_5708_A0)) | |
b6016b76 MC |
6687 | net_stats->tx_carrier_errors = 0; |
6688 | else { | |
6689 | net_stats->tx_carrier_errors = | |
a4743058 | 6690 | GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors); |
b6016b76 MC |
6691 | } |
6692 | ||
6693 | net_stats->tx_errors = | |
a4743058 | 6694 | GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) + |
b6016b76 MC |
6695 | net_stats->tx_aborted_errors + |
6696 | net_stats->tx_carrier_errors; | |
6697 | ||
cea94db9 | 6698 | net_stats->rx_missed_errors = |
a4743058 MC |
6699 | GET_32BIT_NET_STATS(stat_IfInFTQDiscards) + |
6700 | GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) + | |
6701 | GET_32BIT_NET_STATS(stat_FwRxDrop); | |
cea94db9 | 6702 | |
b6016b76 MC |
6703 | return net_stats; |
6704 | } | |
6705 | ||
6706 | /* All ethtool functions called with rtnl_lock */ | |
6707 | ||
6708 | static int | |
6709 | bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
6710 | { | |
972ec0d4 | 6711 | struct bnx2 *bp = netdev_priv(dev); |
7b6b8347 | 6712 | int support_serdes = 0, support_copper = 0; |
b6016b76 MC |
6713 | |
6714 | cmd->supported = SUPPORTED_Autoneg; | |
583c28e5 | 6715 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { |
7b6b8347 MC |
6716 | support_serdes = 1; |
6717 | support_copper = 1; | |
6718 | } else if (bp->phy_port == PORT_FIBRE) | |
6719 | support_serdes = 1; | |
6720 | else | |
6721 | support_copper = 1; | |
6722 | ||
6723 | if (support_serdes) { | |
b6016b76 MC |
6724 | cmd->supported |= SUPPORTED_1000baseT_Full | |
6725 | SUPPORTED_FIBRE; | |
583c28e5 | 6726 | if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) |
605a9e20 | 6727 | cmd->supported |= SUPPORTED_2500baseX_Full; |
b6016b76 | 6728 | |
b6016b76 | 6729 | } |
7b6b8347 | 6730 | if (support_copper) { |
b6016b76 MC |
6731 | cmd->supported |= SUPPORTED_10baseT_Half | |
6732 | SUPPORTED_10baseT_Full | | |
6733 | SUPPORTED_100baseT_Half | | |
6734 | SUPPORTED_100baseT_Full | | |
6735 | SUPPORTED_1000baseT_Full | | |
6736 | SUPPORTED_TP; | |
6737 | ||
b6016b76 MC |
6738 | } |
6739 | ||
7b6b8347 MC |
6740 | spin_lock_bh(&bp->phy_lock); |
6741 | cmd->port = bp->phy_port; | |
b6016b76 MC |
6742 | cmd->advertising = bp->advertising; |
6743 | ||
6744 | if (bp->autoneg & AUTONEG_SPEED) { | |
6745 | cmd->autoneg = AUTONEG_ENABLE; | |
70739497 | 6746 | } else { |
b6016b76 MC |
6747 | cmd->autoneg = AUTONEG_DISABLE; |
6748 | } | |
6749 | ||
6750 | if (netif_carrier_ok(dev)) { | |
70739497 | 6751 | ethtool_cmd_speed_set(cmd, bp->line_speed); |
b6016b76 MC |
6752 | cmd->duplex = bp->duplex; |
6753 | } | |
6754 | else { | |
70739497 | 6755 | ethtool_cmd_speed_set(cmd, -1); |
b6016b76 MC |
6756 | cmd->duplex = -1; |
6757 | } | |
7b6b8347 | 6758 | spin_unlock_bh(&bp->phy_lock); |
b6016b76 MC |
6759 | |
6760 | cmd->transceiver = XCVR_INTERNAL; | |
6761 | cmd->phy_address = bp->phy_addr; | |
6762 | ||
6763 | return 0; | |
6764 | } | |
6aa20a22 | 6765 | |
b6016b76 MC |
6766 | static int |
6767 | bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
6768 | { | |
972ec0d4 | 6769 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
6770 | u8 autoneg = bp->autoneg; |
6771 | u8 req_duplex = bp->req_duplex; | |
6772 | u16 req_line_speed = bp->req_line_speed; | |
6773 | u32 advertising = bp->advertising; | |
7b6b8347 MC |
6774 | int err = -EINVAL; |
6775 | ||
6776 | spin_lock_bh(&bp->phy_lock); | |
6777 | ||
6778 | if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE) | |
6779 | goto err_out_unlock; | |
6780 | ||
583c28e5 MC |
6781 | if (cmd->port != bp->phy_port && |
6782 | !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)) | |
7b6b8347 | 6783 | goto err_out_unlock; |
b6016b76 | 6784 | |
d6b14486 MC |
6785 | /* If device is down, we can store the settings only if the user |
6786 | * is setting the currently active port. | |
6787 | */ | |
6788 | if (!netif_running(dev) && cmd->port != bp->phy_port) | |
6789 | goto err_out_unlock; | |
6790 | ||
b6016b76 MC |
6791 | if (cmd->autoneg == AUTONEG_ENABLE) { |
6792 | autoneg |= AUTONEG_SPEED; | |
6793 | ||
beb499af MC |
6794 | advertising = cmd->advertising; |
6795 | if (cmd->port == PORT_TP) { | |
6796 | advertising &= ETHTOOL_ALL_COPPER_SPEED; | |
6797 | if (!advertising) | |
b6016b76 | 6798 | advertising = ETHTOOL_ALL_COPPER_SPEED; |
beb499af MC |
6799 | } else { |
6800 | advertising &= ETHTOOL_ALL_FIBRE_SPEED; | |
6801 | if (!advertising) | |
6802 | advertising = ETHTOOL_ALL_FIBRE_SPEED; | |
b6016b76 MC |
6803 | } |
6804 | advertising |= ADVERTISED_Autoneg; | |
6805 | } | |
6806 | else { | |
25db0338 | 6807 | u32 speed = ethtool_cmd_speed(cmd); |
7b6b8347 | 6808 | if (cmd->port == PORT_FIBRE) { |
25db0338 DD |
6809 | if ((speed != SPEED_1000 && |
6810 | speed != SPEED_2500) || | |
80be4434 | 6811 | (cmd->duplex != DUPLEX_FULL)) |
7b6b8347 | 6812 | goto err_out_unlock; |
80be4434 | 6813 | |
25db0338 | 6814 | if (speed == SPEED_2500 && |
583c28e5 | 6815 | !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) |
7b6b8347 | 6816 | goto err_out_unlock; |
25db0338 | 6817 | } else if (speed == SPEED_1000 || speed == SPEED_2500) |
7b6b8347 MC |
6818 | goto err_out_unlock; |
6819 | ||
b6016b76 | 6820 | autoneg &= ~AUTONEG_SPEED; |
25db0338 | 6821 | req_line_speed = speed; |
b6016b76 MC |
6822 | req_duplex = cmd->duplex; |
6823 | advertising = 0; | |
6824 | } | |
6825 | ||
6826 | bp->autoneg = autoneg; | |
6827 | bp->advertising = advertising; | |
6828 | bp->req_line_speed = req_line_speed; | |
6829 | bp->req_duplex = req_duplex; | |
6830 | ||
d6b14486 MC |
6831 | err = 0; |
6832 | /* If device is down, the new settings will be picked up when it is | |
6833 | * brought up. | |
6834 | */ | |
6835 | if (netif_running(dev)) | |
6836 | err = bnx2_setup_phy(bp, cmd->port); | |
b6016b76 | 6837 | |
7b6b8347 | 6838 | err_out_unlock: |
c770a65c | 6839 | spin_unlock_bh(&bp->phy_lock); |
b6016b76 | 6840 | |
7b6b8347 | 6841 | return err; |
b6016b76 MC |
6842 | } |
6843 | ||
6844 | static void | |
6845 | bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
6846 | { | |
972ec0d4 | 6847 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
6848 | |
6849 | strcpy(info->driver, DRV_MODULE_NAME); | |
6850 | strcpy(info->version, DRV_MODULE_VERSION); | |
6851 | strcpy(info->bus_info, pci_name(bp->pdev)); | |
58fc2ea4 | 6852 | strcpy(info->fw_version, bp->fw_version); |
b6016b76 MC |
6853 | } |
6854 | ||
244ac4f4 MC |
6855 | #define BNX2_REGDUMP_LEN (32 * 1024) |
6856 | ||
6857 | static int | |
6858 | bnx2_get_regs_len(struct net_device *dev) | |
6859 | { | |
6860 | return BNX2_REGDUMP_LEN; | |
6861 | } | |
6862 | ||
6863 | static void | |
6864 | bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p) | |
6865 | { | |
6866 | u32 *p = _p, i, offset; | |
6867 | u8 *orig_p = _p; | |
6868 | struct bnx2 *bp = netdev_priv(dev); | |
b6bc7650 JP |
6869 | static const u32 reg_boundaries[] = { |
6870 | 0x0000, 0x0098, 0x0400, 0x045c, | |
6871 | 0x0800, 0x0880, 0x0c00, 0x0c10, | |
6872 | 0x0c30, 0x0d08, 0x1000, 0x101c, | |
6873 | 0x1040, 0x1048, 0x1080, 0x10a4, | |
6874 | 0x1400, 0x1490, 0x1498, 0x14f0, | |
6875 | 0x1500, 0x155c, 0x1580, 0x15dc, | |
6876 | 0x1600, 0x1658, 0x1680, 0x16d8, | |
6877 | 0x1800, 0x1820, 0x1840, 0x1854, | |
6878 | 0x1880, 0x1894, 0x1900, 0x1984, | |
6879 | 0x1c00, 0x1c0c, 0x1c40, 0x1c54, | |
6880 | 0x1c80, 0x1c94, 0x1d00, 0x1d84, | |
6881 | 0x2000, 0x2030, 0x23c0, 0x2400, | |
6882 | 0x2800, 0x2820, 0x2830, 0x2850, | |
6883 | 0x2b40, 0x2c10, 0x2fc0, 0x3058, | |
6884 | 0x3c00, 0x3c94, 0x4000, 0x4010, | |
6885 | 0x4080, 0x4090, 0x43c0, 0x4458, | |
6886 | 0x4c00, 0x4c18, 0x4c40, 0x4c54, | |
6887 | 0x4fc0, 0x5010, 0x53c0, 0x5444, | |
6888 | 0x5c00, 0x5c18, 0x5c80, 0x5c90, | |
6889 | 0x5fc0, 0x6000, 0x6400, 0x6428, | |
6890 | 0x6800, 0x6848, 0x684c, 0x6860, | |
6891 | 0x6888, 0x6910, 0x8000 | |
6892 | }; | |
244ac4f4 MC |
6893 | |
6894 | regs->version = 0; | |
6895 | ||
6896 | memset(p, 0, BNX2_REGDUMP_LEN); | |
6897 | ||
6898 | if (!netif_running(bp->dev)) | |
6899 | return; | |
6900 | ||
6901 | i = 0; | |
6902 | offset = reg_boundaries[0]; | |
6903 | p += offset; | |
6904 | while (offset < BNX2_REGDUMP_LEN) { | |
6905 | *p++ = REG_RD(bp, offset); | |
6906 | offset += 4; | |
6907 | if (offset == reg_boundaries[i + 1]) { | |
6908 | offset = reg_boundaries[i + 2]; | |
6909 | p = (u32 *) (orig_p + offset); | |
6910 | i += 2; | |
6911 | } | |
6912 | } | |
6913 | } | |
6914 | ||
b6016b76 MC |
6915 | static void |
6916 | bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
6917 | { | |
972ec0d4 | 6918 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 6919 | |
f86e82fb | 6920 | if (bp->flags & BNX2_FLAG_NO_WOL) { |
b6016b76 MC |
6921 | wol->supported = 0; |
6922 | wol->wolopts = 0; | |
6923 | } | |
6924 | else { | |
6925 | wol->supported = WAKE_MAGIC; | |
6926 | if (bp->wol) | |
6927 | wol->wolopts = WAKE_MAGIC; | |
6928 | else | |
6929 | wol->wolopts = 0; | |
6930 | } | |
6931 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
6932 | } | |
6933 | ||
6934 | static int | |
6935 | bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
6936 | { | |
972ec0d4 | 6937 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
6938 | |
6939 | if (wol->wolopts & ~WAKE_MAGIC) | |
6940 | return -EINVAL; | |
6941 | ||
6942 | if (wol->wolopts & WAKE_MAGIC) { | |
f86e82fb | 6943 | if (bp->flags & BNX2_FLAG_NO_WOL) |
b6016b76 MC |
6944 | return -EINVAL; |
6945 | ||
6946 | bp->wol = 1; | |
6947 | } | |
6948 | else { | |
6949 | bp->wol = 0; | |
6950 | } | |
6951 | return 0; | |
6952 | } | |
6953 | ||
6954 | static int | |
6955 | bnx2_nway_reset(struct net_device *dev) | |
6956 | { | |
972ec0d4 | 6957 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
6958 | u32 bmcr; |
6959 | ||
9f52b564 MC |
6960 | if (!netif_running(dev)) |
6961 | return -EAGAIN; | |
6962 | ||
b6016b76 MC |
6963 | if (!(bp->autoneg & AUTONEG_SPEED)) { |
6964 | return -EINVAL; | |
6965 | } | |
6966 | ||
c770a65c | 6967 | spin_lock_bh(&bp->phy_lock); |
b6016b76 | 6968 | |
583c28e5 | 6969 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { |
7b6b8347 MC |
6970 | int rc; |
6971 | ||
6972 | rc = bnx2_setup_remote_phy(bp, bp->phy_port); | |
6973 | spin_unlock_bh(&bp->phy_lock); | |
6974 | return rc; | |
6975 | } | |
6976 | ||
b6016b76 | 6977 | /* Force a link down visible on the other side */ |
583c28e5 | 6978 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
ca58c3af | 6979 | bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK); |
c770a65c | 6980 | spin_unlock_bh(&bp->phy_lock); |
b6016b76 MC |
6981 | |
6982 | msleep(20); | |
6983 | ||
c770a65c | 6984 | spin_lock_bh(&bp->phy_lock); |
f8dd064e | 6985 | |
40105c0b | 6986 | bp->current_interval = BNX2_SERDES_AN_TIMEOUT; |
f8dd064e MC |
6987 | bp->serdes_an_pending = 1; |
6988 | mod_timer(&bp->timer, jiffies + bp->current_interval); | |
b6016b76 MC |
6989 | } |
6990 | ||
ca58c3af | 6991 | bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); |
b6016b76 | 6992 | bmcr &= ~BMCR_LOOPBACK; |
ca58c3af | 6993 | bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE); |
b6016b76 | 6994 | |
c770a65c | 6995 | spin_unlock_bh(&bp->phy_lock); |
b6016b76 MC |
6996 | |
6997 | return 0; | |
6998 | } | |
6999 | ||
7959ea25 ON |
7000 | static u32 |
7001 | bnx2_get_link(struct net_device *dev) | |
7002 | { | |
7003 | struct bnx2 *bp = netdev_priv(dev); | |
7004 | ||
7005 | return bp->link_up; | |
7006 | } | |
7007 | ||
b6016b76 MC |
7008 | static int |
7009 | bnx2_get_eeprom_len(struct net_device *dev) | |
7010 | { | |
972ec0d4 | 7011 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 7012 | |
1122db71 | 7013 | if (bp->flash_info == NULL) |
b6016b76 MC |
7014 | return 0; |
7015 | ||
1122db71 | 7016 | return (int) bp->flash_size; |
b6016b76 MC |
7017 | } |
7018 | ||
7019 | static int | |
7020 | bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, | |
7021 | u8 *eebuf) | |
7022 | { | |
972ec0d4 | 7023 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
7024 | int rc; |
7025 | ||
9f52b564 MC |
7026 | if (!netif_running(dev)) |
7027 | return -EAGAIN; | |
7028 | ||
1064e944 | 7029 | /* parameters already validated in ethtool_get_eeprom */ |
b6016b76 MC |
7030 | |
7031 | rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); | |
7032 | ||
7033 | return rc; | |
7034 | } | |
7035 | ||
7036 | static int | |
7037 | bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, | |
7038 | u8 *eebuf) | |
7039 | { | |
972ec0d4 | 7040 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
7041 | int rc; |
7042 | ||
9f52b564 MC |
7043 | if (!netif_running(dev)) |
7044 | return -EAGAIN; | |
7045 | ||
1064e944 | 7046 | /* parameters already validated in ethtool_set_eeprom */ |
b6016b76 MC |
7047 | |
7048 | rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); | |
7049 | ||
7050 | return rc; | |
7051 | } | |
7052 | ||
7053 | static int | |
7054 | bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal) | |
7055 | { | |
972ec0d4 | 7056 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
7057 | |
7058 | memset(coal, 0, sizeof(struct ethtool_coalesce)); | |
7059 | ||
7060 | coal->rx_coalesce_usecs = bp->rx_ticks; | |
7061 | coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip; | |
7062 | coal->rx_coalesce_usecs_irq = bp->rx_ticks_int; | |
7063 | coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int; | |
7064 | ||
7065 | coal->tx_coalesce_usecs = bp->tx_ticks; | |
7066 | coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip; | |
7067 | coal->tx_coalesce_usecs_irq = bp->tx_ticks_int; | |
7068 | coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int; | |
7069 | ||
7070 | coal->stats_block_coalesce_usecs = bp->stats_ticks; | |
7071 | ||
7072 | return 0; | |
7073 | } | |
7074 | ||
7075 | static int | |
7076 | bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal) | |
7077 | { | |
972ec0d4 | 7078 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
7079 | |
7080 | bp->rx_ticks = (u16) coal->rx_coalesce_usecs; | |
7081 | if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff; | |
7082 | ||
6aa20a22 | 7083 | bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames; |
b6016b76 MC |
7084 | if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff; |
7085 | ||
7086 | bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq; | |
7087 | if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff; | |
7088 | ||
7089 | bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq; | |
7090 | if (bp->rx_quick_cons_trip_int > 0xff) | |
7091 | bp->rx_quick_cons_trip_int = 0xff; | |
7092 | ||
7093 | bp->tx_ticks = (u16) coal->tx_coalesce_usecs; | |
7094 | if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff; | |
7095 | ||
7096 | bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames; | |
7097 | if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff; | |
7098 | ||
7099 | bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq; | |
7100 | if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff; | |
7101 | ||
7102 | bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq; | |
7103 | if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int = | |
7104 | 0xff; | |
7105 | ||
7106 | bp->stats_ticks = coal->stats_block_coalesce_usecs; | |
61d9e3fa | 7107 | if (bp->flags & BNX2_FLAG_BROKEN_STATS) { |
02537b06 MC |
7108 | if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC) |
7109 | bp->stats_ticks = USEC_PER_SEC; | |
7110 | } | |
7ea6920e MC |
7111 | if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS) |
7112 | bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS; | |
7113 | bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS; | |
b6016b76 MC |
7114 | |
7115 | if (netif_running(bp->dev)) { | |
212f9934 | 7116 | bnx2_netif_stop(bp, true); |
9a120bc5 | 7117 | bnx2_init_nic(bp, 0); |
212f9934 | 7118 | bnx2_netif_start(bp, true); |
b6016b76 MC |
7119 | } |
7120 | ||
7121 | return 0; | |
7122 | } | |
7123 | ||
7124 | static void | |
7125 | bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) | |
7126 | { | |
972ec0d4 | 7127 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 7128 | |
13daffa2 | 7129 | ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT; |
b6016b76 | 7130 | ering->rx_mini_max_pending = 0; |
47bf4246 | 7131 | ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT; |
b6016b76 MC |
7132 | |
7133 | ering->rx_pending = bp->rx_ring_size; | |
7134 | ering->rx_mini_pending = 0; | |
47bf4246 | 7135 | ering->rx_jumbo_pending = bp->rx_pg_ring_size; |
b6016b76 MC |
7136 | |
7137 | ering->tx_max_pending = MAX_TX_DESC_CNT; | |
7138 | ering->tx_pending = bp->tx_ring_size; | |
7139 | } | |
7140 | ||
7141 | static int | |
5d5d0015 | 7142 | bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx) |
b6016b76 | 7143 | { |
13daffa2 | 7144 | if (netif_running(bp->dev)) { |
354fcd77 MC |
7145 | /* Reset will erase chipset stats; save them */ |
7146 | bnx2_save_stats(bp); | |
7147 | ||
212f9934 | 7148 | bnx2_netif_stop(bp, true); |
13daffa2 | 7149 | bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET); |
a29ba9d2 | 7150 | __bnx2_free_irq(bp); |
13daffa2 MC |
7151 | bnx2_free_skbs(bp); |
7152 | bnx2_free_mem(bp); | |
7153 | } | |
7154 | ||
5d5d0015 MC |
7155 | bnx2_set_rx_ring_size(bp, rx); |
7156 | bp->tx_ring_size = tx; | |
b6016b76 MC |
7157 | |
7158 | if (netif_running(bp->dev)) { | |
13daffa2 MC |
7159 | int rc; |
7160 | ||
7161 | rc = bnx2_alloc_mem(bp); | |
a29ba9d2 MC |
7162 | if (!rc) |
7163 | rc = bnx2_request_irq(bp); | |
7164 | ||
6fefb65e MC |
7165 | if (!rc) |
7166 | rc = bnx2_init_nic(bp, 0); | |
7167 | ||
7168 | if (rc) { | |
7169 | bnx2_napi_enable(bp); | |
7170 | dev_close(bp->dev); | |
13daffa2 | 7171 | return rc; |
6fefb65e | 7172 | } |
e9f26c49 MC |
7173 | #ifdef BCM_CNIC |
7174 | mutex_lock(&bp->cnic_lock); | |
7175 | /* Let cnic know about the new status block. */ | |
7176 | if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD) | |
7177 | bnx2_setup_cnic_irq_info(bp); | |
7178 | mutex_unlock(&bp->cnic_lock); | |
7179 | #endif | |
212f9934 | 7180 | bnx2_netif_start(bp, true); |
b6016b76 | 7181 | } |
b6016b76 MC |
7182 | return 0; |
7183 | } | |
7184 | ||
5d5d0015 MC |
7185 | static int |
7186 | bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) | |
7187 | { | |
7188 | struct bnx2 *bp = netdev_priv(dev); | |
7189 | int rc; | |
7190 | ||
7191 | if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) || | |
7192 | (ering->tx_pending > MAX_TX_DESC_CNT) || | |
7193 | (ering->tx_pending <= MAX_SKB_FRAGS)) { | |
7194 | ||
7195 | return -EINVAL; | |
7196 | } | |
7197 | rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending); | |
7198 | return rc; | |
7199 | } | |
7200 | ||
b6016b76 MC |
7201 | static void |
7202 | bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) | |
7203 | { | |
972ec0d4 | 7204 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
7205 | |
7206 | epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0); | |
7207 | epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0); | |
7208 | epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0); | |
7209 | } | |
7210 | ||
7211 | static int | |
7212 | bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) | |
7213 | { | |
972ec0d4 | 7214 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
7215 | |
7216 | bp->req_flow_ctrl = 0; | |
7217 | if (epause->rx_pause) | |
7218 | bp->req_flow_ctrl |= FLOW_CTRL_RX; | |
7219 | if (epause->tx_pause) | |
7220 | bp->req_flow_ctrl |= FLOW_CTRL_TX; | |
7221 | ||
7222 | if (epause->autoneg) { | |
7223 | bp->autoneg |= AUTONEG_FLOW_CTRL; | |
7224 | } | |
7225 | else { | |
7226 | bp->autoneg &= ~AUTONEG_FLOW_CTRL; | |
7227 | } | |
7228 | ||
9f52b564 MC |
7229 | if (netif_running(dev)) { |
7230 | spin_lock_bh(&bp->phy_lock); | |
7231 | bnx2_setup_phy(bp, bp->phy_port); | |
7232 | spin_unlock_bh(&bp->phy_lock); | |
7233 | } | |
b6016b76 MC |
7234 | |
7235 | return 0; | |
7236 | } | |
7237 | ||
14ab9b86 | 7238 | static struct { |
b6016b76 | 7239 | char string[ETH_GSTRING_LEN]; |
790dab2f | 7240 | } bnx2_stats_str_arr[] = { |
b6016b76 MC |
7241 | { "rx_bytes" }, |
7242 | { "rx_error_bytes" }, | |
7243 | { "tx_bytes" }, | |
7244 | { "tx_error_bytes" }, | |
7245 | { "rx_ucast_packets" }, | |
7246 | { "rx_mcast_packets" }, | |
7247 | { "rx_bcast_packets" }, | |
7248 | { "tx_ucast_packets" }, | |
7249 | { "tx_mcast_packets" }, | |
7250 | { "tx_bcast_packets" }, | |
7251 | { "tx_mac_errors" }, | |
7252 | { "tx_carrier_errors" }, | |
7253 | { "rx_crc_errors" }, | |
7254 | { "rx_align_errors" }, | |
7255 | { "tx_single_collisions" }, | |
7256 | { "tx_multi_collisions" }, | |
7257 | { "tx_deferred" }, | |
7258 | { "tx_excess_collisions" }, | |
7259 | { "tx_late_collisions" }, | |
7260 | { "tx_total_collisions" }, | |
7261 | { "rx_fragments" }, | |
7262 | { "rx_jabbers" }, | |
7263 | { "rx_undersize_packets" }, | |
7264 | { "rx_oversize_packets" }, | |
7265 | { "rx_64_byte_packets" }, | |
7266 | { "rx_65_to_127_byte_packets" }, | |
7267 | { "rx_128_to_255_byte_packets" }, | |
7268 | { "rx_256_to_511_byte_packets" }, | |
7269 | { "rx_512_to_1023_byte_packets" }, | |
7270 | { "rx_1024_to_1522_byte_packets" }, | |
7271 | { "rx_1523_to_9022_byte_packets" }, | |
7272 | { "tx_64_byte_packets" }, | |
7273 | { "tx_65_to_127_byte_packets" }, | |
7274 | { "tx_128_to_255_byte_packets" }, | |
7275 | { "tx_256_to_511_byte_packets" }, | |
7276 | { "tx_512_to_1023_byte_packets" }, | |
7277 | { "tx_1024_to_1522_byte_packets" }, | |
7278 | { "tx_1523_to_9022_byte_packets" }, | |
7279 | { "rx_xon_frames" }, | |
7280 | { "rx_xoff_frames" }, | |
7281 | { "tx_xon_frames" }, | |
7282 | { "tx_xoff_frames" }, | |
7283 | { "rx_mac_ctrl_frames" }, | |
7284 | { "rx_filtered_packets" }, | |
790dab2f | 7285 | { "rx_ftq_discards" }, |
b6016b76 | 7286 | { "rx_discards" }, |
cea94db9 | 7287 | { "rx_fw_discards" }, |
b6016b76 MC |
7288 | }; |
7289 | ||
790dab2f MC |
7290 | #define BNX2_NUM_STATS (sizeof(bnx2_stats_str_arr)/\ |
7291 | sizeof(bnx2_stats_str_arr[0])) | |
7292 | ||
b6016b76 MC |
7293 | #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4) |
7294 | ||
f71e1309 | 7295 | static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = { |
b6016b76 MC |
7296 | STATS_OFFSET32(stat_IfHCInOctets_hi), |
7297 | STATS_OFFSET32(stat_IfHCInBadOctets_hi), | |
7298 | STATS_OFFSET32(stat_IfHCOutOctets_hi), | |
7299 | STATS_OFFSET32(stat_IfHCOutBadOctets_hi), | |
7300 | STATS_OFFSET32(stat_IfHCInUcastPkts_hi), | |
7301 | STATS_OFFSET32(stat_IfHCInMulticastPkts_hi), | |
7302 | STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi), | |
7303 | STATS_OFFSET32(stat_IfHCOutUcastPkts_hi), | |
7304 | STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi), | |
7305 | STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi), | |
7306 | STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors), | |
6aa20a22 JG |
7307 | STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors), |
7308 | STATS_OFFSET32(stat_Dot3StatsFCSErrors), | |
7309 | STATS_OFFSET32(stat_Dot3StatsAlignmentErrors), | |
7310 | STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames), | |
7311 | STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames), | |
7312 | STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions), | |
7313 | STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions), | |
7314 | STATS_OFFSET32(stat_Dot3StatsLateCollisions), | |
7315 | STATS_OFFSET32(stat_EtherStatsCollisions), | |
7316 | STATS_OFFSET32(stat_EtherStatsFragments), | |
7317 | STATS_OFFSET32(stat_EtherStatsJabbers), | |
7318 | STATS_OFFSET32(stat_EtherStatsUndersizePkts), | |
7319 | STATS_OFFSET32(stat_EtherStatsOverrsizePkts), | |
7320 | STATS_OFFSET32(stat_EtherStatsPktsRx64Octets), | |
7321 | STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets), | |
7322 | STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets), | |
7323 | STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets), | |
7324 | STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets), | |
7325 | STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets), | |
7326 | STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets), | |
7327 | STATS_OFFSET32(stat_EtherStatsPktsTx64Octets), | |
7328 | STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets), | |
7329 | STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets), | |
7330 | STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets), | |
7331 | STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets), | |
7332 | STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets), | |
7333 | STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets), | |
7334 | STATS_OFFSET32(stat_XonPauseFramesReceived), | |
7335 | STATS_OFFSET32(stat_XoffPauseFramesReceived), | |
7336 | STATS_OFFSET32(stat_OutXonSent), | |
7337 | STATS_OFFSET32(stat_OutXoffSent), | |
7338 | STATS_OFFSET32(stat_MacControlFramesReceived), | |
7339 | STATS_OFFSET32(stat_IfInFramesL2FilterDiscards), | |
790dab2f | 7340 | STATS_OFFSET32(stat_IfInFTQDiscards), |
6aa20a22 | 7341 | STATS_OFFSET32(stat_IfInMBUFDiscards), |
cea94db9 | 7342 | STATS_OFFSET32(stat_FwRxDrop), |
b6016b76 MC |
7343 | }; |
7344 | ||
7345 | /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are | |
7346 | * skipped because of errata. | |
6aa20a22 | 7347 | */ |
14ab9b86 | 7348 | static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = { |
b6016b76 MC |
7349 | 8,0,8,8,8,8,8,8,8,8, |
7350 | 4,0,4,4,4,4,4,4,4,4, | |
7351 | 4,4,4,4,4,4,4,4,4,4, | |
7352 | 4,4,4,4,4,4,4,4,4,4, | |
790dab2f | 7353 | 4,4,4,4,4,4,4, |
b6016b76 MC |
7354 | }; |
7355 | ||
5b0c76ad MC |
7356 | static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = { |
7357 | 8,0,8,8,8,8,8,8,8,8, | |
7358 | 4,4,4,4,4,4,4,4,4,4, | |
7359 | 4,4,4,4,4,4,4,4,4,4, | |
7360 | 4,4,4,4,4,4,4,4,4,4, | |
790dab2f | 7361 | 4,4,4,4,4,4,4, |
5b0c76ad MC |
7362 | }; |
7363 | ||
b6016b76 MC |
7364 | #define BNX2_NUM_TESTS 6 |
7365 | ||
14ab9b86 | 7366 | static struct { |
b6016b76 MC |
7367 | char string[ETH_GSTRING_LEN]; |
7368 | } bnx2_tests_str_arr[BNX2_NUM_TESTS] = { | |
7369 | { "register_test (offline)" }, | |
7370 | { "memory_test (offline)" }, | |
7371 | { "loopback_test (offline)" }, | |
7372 | { "nvram_test (online)" }, | |
7373 | { "interrupt_test (online)" }, | |
7374 | { "link_test (online)" }, | |
7375 | }; | |
7376 | ||
7377 | static int | |
b9f2c044 | 7378 | bnx2_get_sset_count(struct net_device *dev, int sset) |
b6016b76 | 7379 | { |
b9f2c044 JG |
7380 | switch (sset) { |
7381 | case ETH_SS_TEST: | |
7382 | return BNX2_NUM_TESTS; | |
7383 | case ETH_SS_STATS: | |
7384 | return BNX2_NUM_STATS; | |
7385 | default: | |
7386 | return -EOPNOTSUPP; | |
7387 | } | |
b6016b76 MC |
7388 | } |
7389 | ||
7390 | static void | |
7391 | bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf) | |
7392 | { | |
972ec0d4 | 7393 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 7394 | |
9f52b564 MC |
7395 | bnx2_set_power_state(bp, PCI_D0); |
7396 | ||
b6016b76 MC |
7397 | memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS); |
7398 | if (etest->flags & ETH_TEST_FL_OFFLINE) { | |
80be4434 MC |
7399 | int i; |
7400 | ||
212f9934 | 7401 | bnx2_netif_stop(bp, true); |
b6016b76 MC |
7402 | bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG); |
7403 | bnx2_free_skbs(bp); | |
7404 | ||
7405 | if (bnx2_test_registers(bp) != 0) { | |
7406 | buf[0] = 1; | |
7407 | etest->flags |= ETH_TEST_FL_FAILED; | |
7408 | } | |
7409 | if (bnx2_test_memory(bp) != 0) { | |
7410 | buf[1] = 1; | |
7411 | etest->flags |= ETH_TEST_FL_FAILED; | |
7412 | } | |
bc5a0690 | 7413 | if ((buf[2] = bnx2_test_loopback(bp)) != 0) |
b6016b76 | 7414 | etest->flags |= ETH_TEST_FL_FAILED; |
b6016b76 | 7415 | |
9f52b564 MC |
7416 | if (!netif_running(bp->dev)) |
7417 | bnx2_shutdown_chip(bp); | |
b6016b76 | 7418 | else { |
9a120bc5 | 7419 | bnx2_init_nic(bp, 1); |
212f9934 | 7420 | bnx2_netif_start(bp, true); |
b6016b76 MC |
7421 | } |
7422 | ||
7423 | /* wait for link up */ | |
80be4434 MC |
7424 | for (i = 0; i < 7; i++) { |
7425 | if (bp->link_up) | |
7426 | break; | |
7427 | msleep_interruptible(1000); | |
7428 | } | |
b6016b76 MC |
7429 | } |
7430 | ||
7431 | if (bnx2_test_nvram(bp) != 0) { | |
7432 | buf[3] = 1; | |
7433 | etest->flags |= ETH_TEST_FL_FAILED; | |
7434 | } | |
7435 | if (bnx2_test_intr(bp) != 0) { | |
7436 | buf[4] = 1; | |
7437 | etest->flags |= ETH_TEST_FL_FAILED; | |
7438 | } | |
7439 | ||
7440 | if (bnx2_test_link(bp) != 0) { | |
7441 | buf[5] = 1; | |
7442 | etest->flags |= ETH_TEST_FL_FAILED; | |
7443 | ||
7444 | } | |
9f52b564 MC |
7445 | if (!netif_running(bp->dev)) |
7446 | bnx2_set_power_state(bp, PCI_D3hot); | |
b6016b76 MC |
7447 | } |
7448 | ||
7449 | static void | |
7450 | bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf) | |
7451 | { | |
7452 | switch (stringset) { | |
7453 | case ETH_SS_STATS: | |
7454 | memcpy(buf, bnx2_stats_str_arr, | |
7455 | sizeof(bnx2_stats_str_arr)); | |
7456 | break; | |
7457 | case ETH_SS_TEST: | |
7458 | memcpy(buf, bnx2_tests_str_arr, | |
7459 | sizeof(bnx2_tests_str_arr)); | |
7460 | break; | |
7461 | } | |
7462 | } | |
7463 | ||
b6016b76 MC |
7464 | static void |
7465 | bnx2_get_ethtool_stats(struct net_device *dev, | |
7466 | struct ethtool_stats *stats, u64 *buf) | |
7467 | { | |
972ec0d4 | 7468 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
7469 | int i; |
7470 | u32 *hw_stats = (u32 *) bp->stats_blk; | |
354fcd77 | 7471 | u32 *temp_stats = (u32 *) bp->temp_stats_blk; |
14ab9b86 | 7472 | u8 *stats_len_arr = NULL; |
b6016b76 MC |
7473 | |
7474 | if (hw_stats == NULL) { | |
7475 | memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS); | |
7476 | return; | |
7477 | } | |
7478 | ||
5b0c76ad MC |
7479 | if ((CHIP_ID(bp) == CHIP_ID_5706_A0) || |
7480 | (CHIP_ID(bp) == CHIP_ID_5706_A1) || | |
7481 | (CHIP_ID(bp) == CHIP_ID_5706_A2) || | |
7482 | (CHIP_ID(bp) == CHIP_ID_5708_A0)) | |
b6016b76 | 7483 | stats_len_arr = bnx2_5706_stats_len_arr; |
5b0c76ad MC |
7484 | else |
7485 | stats_len_arr = bnx2_5708_stats_len_arr; | |
b6016b76 MC |
7486 | |
7487 | for (i = 0; i < BNX2_NUM_STATS; i++) { | |
354fcd77 MC |
7488 | unsigned long offset; |
7489 | ||
b6016b76 MC |
7490 | if (stats_len_arr[i] == 0) { |
7491 | /* skip this counter */ | |
7492 | buf[i] = 0; | |
7493 | continue; | |
7494 | } | |
354fcd77 MC |
7495 | |
7496 | offset = bnx2_stats_offset_arr[i]; | |
b6016b76 MC |
7497 | if (stats_len_arr[i] == 4) { |
7498 | /* 4-byte counter */ | |
354fcd77 MC |
7499 | buf[i] = (u64) *(hw_stats + offset) + |
7500 | *(temp_stats + offset); | |
b6016b76 MC |
7501 | continue; |
7502 | } | |
7503 | /* 8-byte counter */ | |
354fcd77 MC |
7504 | buf[i] = (((u64) *(hw_stats + offset)) << 32) + |
7505 | *(hw_stats + offset + 1) + | |
7506 | (((u64) *(temp_stats + offset)) << 32) + | |
7507 | *(temp_stats + offset + 1); | |
b6016b76 MC |
7508 | } |
7509 | } | |
7510 | ||
7511 | static int | |
2e17e1aa | 7512 | bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state) |
b6016b76 | 7513 | { |
972ec0d4 | 7514 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 7515 | |
2e17e1aa | 7516 | switch (state) { |
7517 | case ETHTOOL_ID_ACTIVE: | |
7518 | bnx2_set_power_state(bp, PCI_D0); | |
9f52b564 | 7519 | |
2e17e1aa | 7520 | bp->leds_save = REG_RD(bp, BNX2_MISC_CFG); |
7521 | REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC); | |
fce55922 | 7522 | return 1; /* cycle on/off once per second */ |
b6016b76 | 7523 | |
2e17e1aa | 7524 | case ETHTOOL_ID_ON: |
7525 | REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE | | |
7526 | BNX2_EMAC_LED_1000MB_OVERRIDE | | |
7527 | BNX2_EMAC_LED_100MB_OVERRIDE | | |
7528 | BNX2_EMAC_LED_10MB_OVERRIDE | | |
7529 | BNX2_EMAC_LED_TRAFFIC_OVERRIDE | | |
7530 | BNX2_EMAC_LED_TRAFFIC); | |
7531 | break; | |
b6016b76 | 7532 | |
2e17e1aa | 7533 | case ETHTOOL_ID_OFF: |
7534 | REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE); | |
7535 | break; | |
9f52b564 | 7536 | |
2e17e1aa | 7537 | case ETHTOOL_ID_INACTIVE: |
7538 | REG_WR(bp, BNX2_EMAC_LED, 0); | |
7539 | REG_WR(bp, BNX2_MISC_CFG, bp->leds_save); | |
7540 | ||
7541 | if (!netif_running(dev)) | |
7542 | bnx2_set_power_state(bp, PCI_D3hot); | |
7543 | break; | |
7544 | } | |
9f52b564 | 7545 | |
b6016b76 MC |
7546 | return 0; |
7547 | } | |
7548 | ||
8d7dfc2b MM |
7549 | static u32 |
7550 | bnx2_fix_features(struct net_device *dev, u32 features) | |
4666f87a MC |
7551 | { |
7552 | struct bnx2 *bp = netdev_priv(dev); | |
7553 | ||
8d7dfc2b MM |
7554 | if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)) |
7555 | features |= NETIF_F_HW_VLAN_RX; | |
7556 | ||
7557 | return features; | |
4666f87a MC |
7558 | } |
7559 | ||
fdc8541d | 7560 | static int |
8d7dfc2b | 7561 | bnx2_set_features(struct net_device *dev, u32 features) |
fdc8541d | 7562 | { |
7d0fd211 | 7563 | struct bnx2 *bp = netdev_priv(dev); |
7d0fd211 | 7564 | |
7c810477 | 7565 | /* TSO with VLAN tag won't work with current firmware */ |
8d7dfc2b MM |
7566 | if (features & NETIF_F_HW_VLAN_TX) |
7567 | dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO); | |
7568 | else | |
7569 | dev->vlan_features &= ~NETIF_F_ALL_TSO; | |
7d0fd211 | 7570 | |
8d7dfc2b | 7571 | if ((!!(features & NETIF_F_HW_VLAN_RX) != |
7d0fd211 JG |
7572 | !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) && |
7573 | netif_running(dev)) { | |
7574 | bnx2_netif_stop(bp, false); | |
8d7dfc2b | 7575 | dev->features = features; |
7d0fd211 JG |
7576 | bnx2_set_rx_mode(dev); |
7577 | bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1); | |
7578 | bnx2_netif_start(bp, false); | |
8d7dfc2b | 7579 | return 1; |
7d0fd211 JG |
7580 | } |
7581 | ||
7582 | return 0; | |
fdc8541d MC |
7583 | } |
7584 | ||
7282d491 | 7585 | static const struct ethtool_ops bnx2_ethtool_ops = { |
b6016b76 MC |
7586 | .get_settings = bnx2_get_settings, |
7587 | .set_settings = bnx2_set_settings, | |
7588 | .get_drvinfo = bnx2_get_drvinfo, | |
244ac4f4 MC |
7589 | .get_regs_len = bnx2_get_regs_len, |
7590 | .get_regs = bnx2_get_regs, | |
b6016b76 MC |
7591 | .get_wol = bnx2_get_wol, |
7592 | .set_wol = bnx2_set_wol, | |
7593 | .nway_reset = bnx2_nway_reset, | |
7959ea25 | 7594 | .get_link = bnx2_get_link, |
b6016b76 MC |
7595 | .get_eeprom_len = bnx2_get_eeprom_len, |
7596 | .get_eeprom = bnx2_get_eeprom, | |
7597 | .set_eeprom = bnx2_set_eeprom, | |
7598 | .get_coalesce = bnx2_get_coalesce, | |
7599 | .set_coalesce = bnx2_set_coalesce, | |
7600 | .get_ringparam = bnx2_get_ringparam, | |
7601 | .set_ringparam = bnx2_set_ringparam, | |
7602 | .get_pauseparam = bnx2_get_pauseparam, | |
7603 | .set_pauseparam = bnx2_set_pauseparam, | |
b6016b76 MC |
7604 | .self_test = bnx2_self_test, |
7605 | .get_strings = bnx2_get_strings, | |
2e17e1aa | 7606 | .set_phys_id = bnx2_set_phys_id, |
b6016b76 | 7607 | .get_ethtool_stats = bnx2_get_ethtool_stats, |
b9f2c044 | 7608 | .get_sset_count = bnx2_get_sset_count, |
b6016b76 MC |
7609 | }; |
7610 | ||
7611 | /* Called with rtnl_lock */ | |
7612 | static int | |
7613 | bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) | |
7614 | { | |
14ab9b86 | 7615 | struct mii_ioctl_data *data = if_mii(ifr); |
972ec0d4 | 7616 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
7617 | int err; |
7618 | ||
7619 | switch(cmd) { | |
7620 | case SIOCGMIIPHY: | |
7621 | data->phy_id = bp->phy_addr; | |
7622 | ||
7623 | /* fallthru */ | |
7624 | case SIOCGMIIREG: { | |
7625 | u32 mii_regval; | |
7626 | ||
583c28e5 | 7627 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) |
7b6b8347 MC |
7628 | return -EOPNOTSUPP; |
7629 | ||
dad3e452 MC |
7630 | if (!netif_running(dev)) |
7631 | return -EAGAIN; | |
7632 | ||
c770a65c | 7633 | spin_lock_bh(&bp->phy_lock); |
b6016b76 | 7634 | err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval); |
c770a65c | 7635 | spin_unlock_bh(&bp->phy_lock); |
b6016b76 MC |
7636 | |
7637 | data->val_out = mii_regval; | |
7638 | ||
7639 | return err; | |
7640 | } | |
7641 | ||
7642 | case SIOCSMIIREG: | |
583c28e5 | 7643 | if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) |
7b6b8347 MC |
7644 | return -EOPNOTSUPP; |
7645 | ||
dad3e452 MC |
7646 | if (!netif_running(dev)) |
7647 | return -EAGAIN; | |
7648 | ||
c770a65c | 7649 | spin_lock_bh(&bp->phy_lock); |
b6016b76 | 7650 | err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in); |
c770a65c | 7651 | spin_unlock_bh(&bp->phy_lock); |
b6016b76 MC |
7652 | |
7653 | return err; | |
7654 | ||
7655 | default: | |
7656 | /* do nothing */ | |
7657 | break; | |
7658 | } | |
7659 | return -EOPNOTSUPP; | |
7660 | } | |
7661 | ||
7662 | /* Called with rtnl_lock */ | |
7663 | static int | |
7664 | bnx2_change_mac_addr(struct net_device *dev, void *p) | |
7665 | { | |
7666 | struct sockaddr *addr = p; | |
972ec0d4 | 7667 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 7668 | |
73eef4cd MC |
7669 | if (!is_valid_ether_addr(addr->sa_data)) |
7670 | return -EINVAL; | |
7671 | ||
b6016b76 MC |
7672 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
7673 | if (netif_running(dev)) | |
5fcaed01 | 7674 | bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0); |
b6016b76 MC |
7675 | |
7676 | return 0; | |
7677 | } | |
7678 | ||
7679 | /* Called with rtnl_lock */ | |
7680 | static int | |
7681 | bnx2_change_mtu(struct net_device *dev, int new_mtu) | |
7682 | { | |
972ec0d4 | 7683 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
7684 | |
7685 | if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) || | |
7686 | ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE)) | |
7687 | return -EINVAL; | |
7688 | ||
7689 | dev->mtu = new_mtu; | |
807540ba | 7690 | return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size); |
b6016b76 MC |
7691 | } |
7692 | ||
257ddbda | 7693 | #ifdef CONFIG_NET_POLL_CONTROLLER |
b6016b76 MC |
7694 | static void |
7695 | poll_bnx2(struct net_device *dev) | |
7696 | { | |
972ec0d4 | 7697 | struct bnx2 *bp = netdev_priv(dev); |
b2af2c1d | 7698 | int i; |
b6016b76 | 7699 | |
b2af2c1d | 7700 | for (i = 0; i < bp->irq_nvecs; i++) { |
1bf1e347 MC |
7701 | struct bnx2_irq *irq = &bp->irq_tbl[i]; |
7702 | ||
7703 | disable_irq(irq->vector); | |
7704 | irq->handler(irq->vector, &bp->bnx2_napi[i]); | |
7705 | enable_irq(irq->vector); | |
b2af2c1d | 7706 | } |
b6016b76 MC |
7707 | } |
7708 | #endif | |
7709 | ||
253c8b75 MC |
7710 | static void __devinit |
7711 | bnx2_get_5709_media(struct bnx2 *bp) | |
7712 | { | |
7713 | u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL); | |
7714 | u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID; | |
7715 | u32 strap; | |
7716 | ||
7717 | if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C) | |
7718 | return; | |
7719 | else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) { | |
583c28e5 | 7720 | bp->phy_flags |= BNX2_PHY_FLAG_SERDES; |
253c8b75 MC |
7721 | return; |
7722 | } | |
7723 | ||
7724 | if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE) | |
7725 | strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21; | |
7726 | else | |
7727 | strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8; | |
7728 | ||
7729 | if (PCI_FUNC(bp->pdev->devfn) == 0) { | |
7730 | switch (strap) { | |
7731 | case 0x4: | |
7732 | case 0x5: | |
7733 | case 0x6: | |
583c28e5 | 7734 | bp->phy_flags |= BNX2_PHY_FLAG_SERDES; |
253c8b75 MC |
7735 | return; |
7736 | } | |
7737 | } else { | |
7738 | switch (strap) { | |
7739 | case 0x1: | |
7740 | case 0x2: | |
7741 | case 0x4: | |
583c28e5 | 7742 | bp->phy_flags |= BNX2_PHY_FLAG_SERDES; |
253c8b75 MC |
7743 | return; |
7744 | } | |
7745 | } | |
7746 | } | |
7747 | ||
883e5151 MC |
7748 | static void __devinit |
7749 | bnx2_get_pci_speed(struct bnx2 *bp) | |
7750 | { | |
7751 | u32 reg; | |
7752 | ||
7753 | reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS); | |
7754 | if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) { | |
7755 | u32 clkreg; | |
7756 | ||
f86e82fb | 7757 | bp->flags |= BNX2_FLAG_PCIX; |
883e5151 MC |
7758 | |
7759 | clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS); | |
7760 | ||
7761 | clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET; | |
7762 | switch (clkreg) { | |
7763 | case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ: | |
7764 | bp->bus_speed_mhz = 133; | |
7765 | break; | |
7766 | ||
7767 | case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ: | |
7768 | bp->bus_speed_mhz = 100; | |
7769 | break; | |
7770 | ||
7771 | case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ: | |
7772 | case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ: | |
7773 | bp->bus_speed_mhz = 66; | |
7774 | break; | |
7775 | ||
7776 | case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ: | |
7777 | case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ: | |
7778 | bp->bus_speed_mhz = 50; | |
7779 | break; | |
7780 | ||
7781 | case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW: | |
7782 | case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ: | |
7783 | case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ: | |
7784 | bp->bus_speed_mhz = 33; | |
7785 | break; | |
7786 | } | |
7787 | } | |
7788 | else { | |
7789 | if (reg & BNX2_PCICFG_MISC_STATUS_M66EN) | |
7790 | bp->bus_speed_mhz = 66; | |
7791 | else | |
7792 | bp->bus_speed_mhz = 33; | |
7793 | } | |
7794 | ||
7795 | if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET) | |
f86e82fb | 7796 | bp->flags |= BNX2_FLAG_PCI_32BIT; |
883e5151 MC |
7797 | |
7798 | } | |
7799 | ||
76d99061 MC |
7800 | static void __devinit |
7801 | bnx2_read_vpd_fw_ver(struct bnx2 *bp) | |
7802 | { | |
df25bc38 | 7803 | int rc, i, j; |
76d99061 | 7804 | u8 *data; |
df25bc38 | 7805 | unsigned int block_end, rosize, len; |
76d99061 | 7806 | |
012093f6 MC |
7807 | #define BNX2_VPD_NVRAM_OFFSET 0x300 |
7808 | #define BNX2_VPD_LEN 128 | |
76d99061 MC |
7809 | #define BNX2_MAX_VER_SLEN 30 |
7810 | ||
7811 | data = kmalloc(256, GFP_KERNEL); | |
7812 | if (!data) | |
7813 | return; | |
7814 | ||
012093f6 MC |
7815 | rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN, |
7816 | BNX2_VPD_LEN); | |
76d99061 MC |
7817 | if (rc) |
7818 | goto vpd_done; | |
7819 | ||
012093f6 MC |
7820 | for (i = 0; i < BNX2_VPD_LEN; i += 4) { |
7821 | data[i] = data[i + BNX2_VPD_LEN + 3]; | |
7822 | data[i + 1] = data[i + BNX2_VPD_LEN + 2]; | |
7823 | data[i + 2] = data[i + BNX2_VPD_LEN + 1]; | |
7824 | data[i + 3] = data[i + BNX2_VPD_LEN]; | |
76d99061 MC |
7825 | } |
7826 | ||
df25bc38 MC |
7827 | i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA); |
7828 | if (i < 0) | |
7829 | goto vpd_done; | |
76d99061 | 7830 | |
df25bc38 MC |
7831 | rosize = pci_vpd_lrdt_size(&data[i]); |
7832 | i += PCI_VPD_LRDT_TAG_SIZE; | |
7833 | block_end = i + rosize; | |
76d99061 | 7834 | |
df25bc38 MC |
7835 | if (block_end > BNX2_VPD_LEN) |
7836 | goto vpd_done; | |
76d99061 | 7837 | |
df25bc38 MC |
7838 | j = pci_vpd_find_info_keyword(data, i, rosize, |
7839 | PCI_VPD_RO_KEYWORD_MFR_ID); | |
7840 | if (j < 0) | |
7841 | goto vpd_done; | |
76d99061 | 7842 | |
df25bc38 | 7843 | len = pci_vpd_info_field_size(&data[j]); |
76d99061 | 7844 | |
df25bc38 MC |
7845 | j += PCI_VPD_INFO_FLD_HDR_SIZE; |
7846 | if (j + len > block_end || len != 4 || | |
7847 | memcmp(&data[j], "1028", 4)) | |
7848 | goto vpd_done; | |
4067a854 | 7849 | |
df25bc38 MC |
7850 | j = pci_vpd_find_info_keyword(data, i, rosize, |
7851 | PCI_VPD_RO_KEYWORD_VENDOR0); | |
7852 | if (j < 0) | |
7853 | goto vpd_done; | |
4067a854 | 7854 | |
df25bc38 | 7855 | len = pci_vpd_info_field_size(&data[j]); |
4067a854 | 7856 | |
df25bc38 MC |
7857 | j += PCI_VPD_INFO_FLD_HDR_SIZE; |
7858 | if (j + len > block_end || len > BNX2_MAX_VER_SLEN) | |
76d99061 | 7859 | goto vpd_done; |
df25bc38 MC |
7860 | |
7861 | memcpy(bp->fw_version, &data[j], len); | |
7862 | bp->fw_version[len] = ' '; | |
76d99061 MC |
7863 | |
7864 | vpd_done: | |
7865 | kfree(data); | |
7866 | } | |
7867 | ||
b6016b76 MC |
7868 | static int __devinit |
7869 | bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) | |
7870 | { | |
7871 | struct bnx2 *bp; | |
7872 | unsigned long mem_len; | |
58fc2ea4 | 7873 | int rc, i, j; |
b6016b76 | 7874 | u32 reg; |
40453c83 | 7875 | u64 dma_mask, persist_dma_mask; |
cd709aa9 | 7876 | int err; |
b6016b76 | 7877 | |
b6016b76 | 7878 | SET_NETDEV_DEV(dev, &pdev->dev); |
972ec0d4 | 7879 | bp = netdev_priv(dev); |
b6016b76 MC |
7880 | |
7881 | bp->flags = 0; | |
7882 | bp->phy_flags = 0; | |
7883 | ||
354fcd77 MC |
7884 | bp->temp_stats_blk = |
7885 | kzalloc(sizeof(struct statistics_block), GFP_KERNEL); | |
7886 | ||
7887 | if (bp->temp_stats_blk == NULL) { | |
7888 | rc = -ENOMEM; | |
7889 | goto err_out; | |
7890 | } | |
7891 | ||
b6016b76 MC |
7892 | /* enable device (incl. PCI PM wakeup), and bus-mastering */ |
7893 | rc = pci_enable_device(pdev); | |
7894 | if (rc) { | |
3a9c6a49 | 7895 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); |
b6016b76 MC |
7896 | goto err_out; |
7897 | } | |
7898 | ||
7899 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
9b91cf9d | 7900 | dev_err(&pdev->dev, |
3a9c6a49 | 7901 | "Cannot find PCI device base address, aborting\n"); |
b6016b76 MC |
7902 | rc = -ENODEV; |
7903 | goto err_out_disable; | |
7904 | } | |
7905 | ||
7906 | rc = pci_request_regions(pdev, DRV_MODULE_NAME); | |
7907 | if (rc) { | |
3a9c6a49 | 7908 | dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n"); |
b6016b76 MC |
7909 | goto err_out_disable; |
7910 | } | |
7911 | ||
7912 | pci_set_master(pdev); | |
7913 | ||
7914 | bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); | |
7915 | if (bp->pm_cap == 0) { | |
9b91cf9d | 7916 | dev_err(&pdev->dev, |
3a9c6a49 | 7917 | "Cannot find power management capability, aborting\n"); |
b6016b76 MC |
7918 | rc = -EIO; |
7919 | goto err_out_release; | |
7920 | } | |
7921 | ||
b6016b76 MC |
7922 | bp->dev = dev; |
7923 | bp->pdev = pdev; | |
7924 | ||
7925 | spin_lock_init(&bp->phy_lock); | |
1b8227c4 | 7926 | spin_lock_init(&bp->indirect_lock); |
c5a88950 MC |
7927 | #ifdef BCM_CNIC |
7928 | mutex_init(&bp->cnic_lock); | |
7929 | #endif | |
c4028958 | 7930 | INIT_WORK(&bp->reset_task, bnx2_reset_task); |
b6016b76 MC |
7931 | |
7932 | dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0); | |
4edd473f | 7933 | mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1); |
b6016b76 MC |
7934 | dev->mem_end = dev->mem_start + mem_len; |
7935 | dev->irq = pdev->irq; | |
7936 | ||
7937 | bp->regview = ioremap_nocache(dev->base_addr, mem_len); | |
7938 | ||
7939 | if (!bp->regview) { | |
3a9c6a49 | 7940 | dev_err(&pdev->dev, "Cannot map register space, aborting\n"); |
b6016b76 MC |
7941 | rc = -ENOMEM; |
7942 | goto err_out_release; | |
7943 | } | |
7944 | ||
be7ff1af MC |
7945 | bnx2_set_power_state(bp, PCI_D0); |
7946 | ||
b6016b76 MC |
7947 | /* Configure byte swap and enable write to the reg_window registers. |
7948 | * Rely on CPU to do target byte swapping on big endian systems | |
7949 | * The chip's target access swapping will not swap all accesses | |
7950 | */ | |
be7ff1af MC |
7951 | REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, |
7952 | BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | | |
7953 | BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP); | |
b6016b76 MC |
7954 | |
7955 | bp->chip_id = REG_RD(bp, BNX2_MISC_ID); | |
7956 | ||
883e5151 | 7957 | if (CHIP_NUM(bp) == CHIP_NUM_5709) { |
e82760e7 JM |
7958 | if (!pci_is_pcie(pdev)) { |
7959 | dev_err(&pdev->dev, "Not PCIE, aborting\n"); | |
883e5151 MC |
7960 | rc = -EIO; |
7961 | goto err_out_unmap; | |
7962 | } | |
f86e82fb | 7963 | bp->flags |= BNX2_FLAG_PCIE; |
2dd201d7 | 7964 | if (CHIP_REV(bp) == CHIP_REV_Ax) |
f86e82fb | 7965 | bp->flags |= BNX2_FLAG_JUMBO_BROKEN; |
c239f279 MC |
7966 | |
7967 | /* AER (Advanced Error Reporting) hooks */ | |
7968 | err = pci_enable_pcie_error_reporting(pdev); | |
4bb9ebc7 MC |
7969 | if (!err) |
7970 | bp->flags |= BNX2_FLAG_AER_ENABLED; | |
c239f279 | 7971 | |
883e5151 | 7972 | } else { |
59b47d8a MC |
7973 | bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX); |
7974 | if (bp->pcix_cap == 0) { | |
7975 | dev_err(&pdev->dev, | |
3a9c6a49 | 7976 | "Cannot find PCIX capability, aborting\n"); |
59b47d8a MC |
7977 | rc = -EIO; |
7978 | goto err_out_unmap; | |
7979 | } | |
61d9e3fa | 7980 | bp->flags |= BNX2_FLAG_BROKEN_STATS; |
59b47d8a MC |
7981 | } |
7982 | ||
b4b36042 MC |
7983 | if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) { |
7984 | if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) | |
f86e82fb | 7985 | bp->flags |= BNX2_FLAG_MSIX_CAP; |
b4b36042 MC |
7986 | } |
7987 | ||
8e6a72c4 MC |
7988 | if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) { |
7989 | if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) | |
f86e82fb | 7990 | bp->flags |= BNX2_FLAG_MSI_CAP; |
8e6a72c4 MC |
7991 | } |
7992 | ||
40453c83 MC |
7993 | /* 5708 cannot support DMA addresses > 40-bit. */ |
7994 | if (CHIP_NUM(bp) == CHIP_NUM_5708) | |
50cf156a | 7995 | persist_dma_mask = dma_mask = DMA_BIT_MASK(40); |
40453c83 | 7996 | else |
6a35528a | 7997 | persist_dma_mask = dma_mask = DMA_BIT_MASK(64); |
40453c83 MC |
7998 | |
7999 | /* Configure DMA attributes. */ | |
8000 | if (pci_set_dma_mask(pdev, dma_mask) == 0) { | |
8001 | dev->features |= NETIF_F_HIGHDMA; | |
8002 | rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask); | |
8003 | if (rc) { | |
8004 | dev_err(&pdev->dev, | |
3a9c6a49 | 8005 | "pci_set_consistent_dma_mask failed, aborting\n"); |
40453c83 MC |
8006 | goto err_out_unmap; |
8007 | } | |
284901a9 | 8008 | } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) { |
3a9c6a49 | 8009 | dev_err(&pdev->dev, "System does not support DMA, aborting\n"); |
40453c83 MC |
8010 | goto err_out_unmap; |
8011 | } | |
8012 | ||
f86e82fb | 8013 | if (!(bp->flags & BNX2_FLAG_PCIE)) |
883e5151 | 8014 | bnx2_get_pci_speed(bp); |
b6016b76 MC |
8015 | |
8016 | /* 5706A0 may falsely detect SERR and PERR. */ | |
8017 | if (CHIP_ID(bp) == CHIP_ID_5706_A0) { | |
8018 | reg = REG_RD(bp, PCI_COMMAND); | |
8019 | reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY); | |
8020 | REG_WR(bp, PCI_COMMAND, reg); | |
8021 | } | |
8022 | else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) && | |
f86e82fb | 8023 | !(bp->flags & BNX2_FLAG_PCIX)) { |
b6016b76 | 8024 | |
9b91cf9d | 8025 | dev_err(&pdev->dev, |
3a9c6a49 | 8026 | "5706 A1 can only be used in a PCIX bus, aborting\n"); |
b6016b76 MC |
8027 | goto err_out_unmap; |
8028 | } | |
8029 | ||
8030 | bnx2_init_nvram(bp); | |
8031 | ||
2726d6e1 | 8032 | reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE); |
e3648b3d MC |
8033 | |
8034 | if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) == | |
24cb230b MC |
8035 | BNX2_SHM_HDR_SIGNATURE_SIG) { |
8036 | u32 off = PCI_FUNC(pdev->devfn) << 2; | |
8037 | ||
2726d6e1 | 8038 | bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off); |
24cb230b | 8039 | } else |
e3648b3d MC |
8040 | bp->shmem_base = HOST_VIEW_SHMEM_BASE; |
8041 | ||
b6016b76 MC |
8042 | /* Get the permanent MAC address. First we need to make sure the |
8043 | * firmware is actually running. | |
8044 | */ | |
2726d6e1 | 8045 | reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE); |
b6016b76 MC |
8046 | |
8047 | if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) != | |
8048 | BNX2_DEV_INFO_SIGNATURE_MAGIC) { | |
3a9c6a49 | 8049 | dev_err(&pdev->dev, "Firmware not running, aborting\n"); |
b6016b76 MC |
8050 | rc = -ENODEV; |
8051 | goto err_out_unmap; | |
8052 | } | |
8053 | ||
76d99061 MC |
8054 | bnx2_read_vpd_fw_ver(bp); |
8055 | ||
8056 | j = strlen(bp->fw_version); | |
2726d6e1 | 8057 | reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV); |
76d99061 | 8058 | for (i = 0; i < 3 && j < 24; i++) { |
58fc2ea4 MC |
8059 | u8 num, k, skip0; |
8060 | ||
76d99061 MC |
8061 | if (i == 0) { |
8062 | bp->fw_version[j++] = 'b'; | |
8063 | bp->fw_version[j++] = 'c'; | |
8064 | bp->fw_version[j++] = ' '; | |
8065 | } | |
58fc2ea4 MC |
8066 | num = (u8) (reg >> (24 - (i * 8))); |
8067 | for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) { | |
8068 | if (num >= k || !skip0 || k == 1) { | |
8069 | bp->fw_version[j++] = (num / k) + '0'; | |
8070 | skip0 = 0; | |
8071 | } | |
8072 | } | |
8073 | if (i != 2) | |
8074 | bp->fw_version[j++] = '.'; | |
8075 | } | |
2726d6e1 | 8076 | reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE); |
846f5c62 MC |
8077 | if (reg & BNX2_PORT_FEATURE_WOL_ENABLED) |
8078 | bp->wol = 1; | |
8079 | ||
8080 | if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) { | |
f86e82fb | 8081 | bp->flags |= BNX2_FLAG_ASF_ENABLE; |
c2d3db8c MC |
8082 | |
8083 | for (i = 0; i < 30; i++) { | |
2726d6e1 | 8084 | reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION); |
c2d3db8c MC |
8085 | if (reg & BNX2_CONDITION_MFW_RUN_MASK) |
8086 | break; | |
8087 | msleep(10); | |
8088 | } | |
8089 | } | |
2726d6e1 | 8090 | reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION); |
58fc2ea4 MC |
8091 | reg &= BNX2_CONDITION_MFW_RUN_MASK; |
8092 | if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN && | |
8093 | reg != BNX2_CONDITION_MFW_RUN_NONE) { | |
2726d6e1 | 8094 | u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR); |
58fc2ea4 | 8095 | |
76d99061 MC |
8096 | if (j < 32) |
8097 | bp->fw_version[j++] = ' '; | |
8098 | for (i = 0; i < 3 && j < 28; i++) { | |
2726d6e1 | 8099 | reg = bnx2_reg_rd_ind(bp, addr + i * 4); |
3aeb7d22 | 8100 | reg = be32_to_cpu(reg); |
58fc2ea4 MC |
8101 | memcpy(&bp->fw_version[j], ®, 4); |
8102 | j += 4; | |
8103 | } | |
8104 | } | |
b6016b76 | 8105 | |
2726d6e1 | 8106 | reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER); |
b6016b76 MC |
8107 | bp->mac_addr[0] = (u8) (reg >> 8); |
8108 | bp->mac_addr[1] = (u8) reg; | |
8109 | ||
2726d6e1 | 8110 | reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER); |
b6016b76 MC |
8111 | bp->mac_addr[2] = (u8) (reg >> 24); |
8112 | bp->mac_addr[3] = (u8) (reg >> 16); | |
8113 | bp->mac_addr[4] = (u8) (reg >> 8); | |
8114 | bp->mac_addr[5] = (u8) reg; | |
8115 | ||
8116 | bp->tx_ring_size = MAX_TX_DESC_CNT; | |
932f3772 | 8117 | bnx2_set_rx_ring_size(bp, 255); |
b6016b76 | 8118 | |
cf7474a6 | 8119 | bp->tx_quick_cons_trip_int = 2; |
b6016b76 | 8120 | bp->tx_quick_cons_trip = 20; |
cf7474a6 | 8121 | bp->tx_ticks_int = 18; |
b6016b76 | 8122 | bp->tx_ticks = 80; |
6aa20a22 | 8123 | |
cf7474a6 MC |
8124 | bp->rx_quick_cons_trip_int = 2; |
8125 | bp->rx_quick_cons_trip = 12; | |
b6016b76 MC |
8126 | bp->rx_ticks_int = 18; |
8127 | bp->rx_ticks = 18; | |
8128 | ||
7ea6920e | 8129 | bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS; |
b6016b76 | 8130 | |
ac392abc | 8131 | bp->current_interval = BNX2_TIMER_INTERVAL; |
b6016b76 | 8132 | |
5b0c76ad MC |
8133 | bp->phy_addr = 1; |
8134 | ||
b6016b76 | 8135 | /* Disable WOL support if we are running on a SERDES chip. */ |
253c8b75 MC |
8136 | if (CHIP_NUM(bp) == CHIP_NUM_5709) |
8137 | bnx2_get_5709_media(bp); | |
8138 | else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) | |
583c28e5 | 8139 | bp->phy_flags |= BNX2_PHY_FLAG_SERDES; |
bac0dff6 | 8140 | |
0d8a6571 | 8141 | bp->phy_port = PORT_TP; |
583c28e5 | 8142 | if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) { |
0d8a6571 | 8143 | bp->phy_port = PORT_FIBRE; |
2726d6e1 | 8144 | reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG); |
846f5c62 | 8145 | if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) { |
f86e82fb | 8146 | bp->flags |= BNX2_FLAG_NO_WOL; |
846f5c62 MC |
8147 | bp->wol = 0; |
8148 | } | |
38ea3686 MC |
8149 | if (CHIP_NUM(bp) == CHIP_NUM_5706) { |
8150 | /* Don't do parallel detect on this board because of | |
8151 | * some board problems. The link will not go down | |
8152 | * if we do parallel detect. | |
8153 | */ | |
8154 | if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP && | |
8155 | pdev->subsystem_device == 0x310c) | |
8156 | bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL; | |
8157 | } else { | |
5b0c76ad | 8158 | bp->phy_addr = 2; |
5b0c76ad | 8159 | if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G) |
583c28e5 | 8160 | bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE; |
5b0c76ad | 8161 | } |
261dd5ca MC |
8162 | } else if (CHIP_NUM(bp) == CHIP_NUM_5706 || |
8163 | CHIP_NUM(bp) == CHIP_NUM_5708) | |
583c28e5 | 8164 | bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX; |
fb0c18bd MC |
8165 | else if (CHIP_NUM(bp) == CHIP_NUM_5709 && |
8166 | (CHIP_REV(bp) == CHIP_REV_Ax || | |
8167 | CHIP_REV(bp) == CHIP_REV_Bx)) | |
583c28e5 | 8168 | bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC; |
b6016b76 | 8169 | |
7c62e83b MC |
8170 | bnx2_init_fw_cap(bp); |
8171 | ||
16088272 MC |
8172 | if ((CHIP_ID(bp) == CHIP_ID_5708_A0) || |
8173 | (CHIP_ID(bp) == CHIP_ID_5708_B0) || | |
5ec6d7bf MC |
8174 | (CHIP_ID(bp) == CHIP_ID_5708_B1) || |
8175 | !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) { | |
f86e82fb | 8176 | bp->flags |= BNX2_FLAG_NO_WOL; |
846f5c62 MC |
8177 | bp->wol = 0; |
8178 | } | |
dda1e390 | 8179 | |
b6016b76 MC |
8180 | if (CHIP_ID(bp) == CHIP_ID_5706_A0) { |
8181 | bp->tx_quick_cons_trip_int = | |
8182 | bp->tx_quick_cons_trip; | |
8183 | bp->tx_ticks_int = bp->tx_ticks; | |
8184 | bp->rx_quick_cons_trip_int = | |
8185 | bp->rx_quick_cons_trip; | |
8186 | bp->rx_ticks_int = bp->rx_ticks; | |
8187 | bp->comp_prod_trip_int = bp->comp_prod_trip; | |
8188 | bp->com_ticks_int = bp->com_ticks; | |
8189 | bp->cmd_ticks_int = bp->cmd_ticks; | |
8190 | } | |
8191 | ||
f9317a40 MC |
8192 | /* Disable MSI on 5706 if AMD 8132 bridge is found. |
8193 | * | |
8194 | * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes | |
8195 | * with byte enables disabled on the unused 32-bit word. This is legal | |
8196 | * but causes problems on the AMD 8132 which will eventually stop | |
8197 | * responding after a while. | |
8198 | * | |
8199 | * AMD believes this incompatibility is unique to the 5706, and | |
88187dfa | 8200 | * prefers to locally disable MSI rather than globally disabling it. |
f9317a40 MC |
8201 | */ |
8202 | if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) { | |
8203 | struct pci_dev *amd_8132 = NULL; | |
8204 | ||
8205 | while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD, | |
8206 | PCI_DEVICE_ID_AMD_8132_BRIDGE, | |
8207 | amd_8132))) { | |
f9317a40 | 8208 | |
44c10138 AK |
8209 | if (amd_8132->revision >= 0x10 && |
8210 | amd_8132->revision <= 0x13) { | |
f9317a40 MC |
8211 | disable_msi = 1; |
8212 | pci_dev_put(amd_8132); | |
8213 | break; | |
8214 | } | |
8215 | } | |
8216 | } | |
8217 | ||
deaf391b | 8218 | bnx2_set_default_link(bp); |
b6016b76 MC |
8219 | bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX; |
8220 | ||
cd339a0e | 8221 | init_timer(&bp->timer); |
ac392abc | 8222 | bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL); |
cd339a0e MC |
8223 | bp->timer.data = (unsigned long) bp; |
8224 | bp->timer.function = bnx2_timer; | |
8225 | ||
7625eb2f | 8226 | #ifdef BCM_CNIC |
41c2178a MC |
8227 | if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN) |
8228 | bp->cnic_eth_dev.max_iscsi_conn = | |
8229 | (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) & | |
8230 | BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT; | |
7625eb2f | 8231 | #endif |
c239f279 MC |
8232 | pci_save_state(pdev); |
8233 | ||
b6016b76 MC |
8234 | return 0; |
8235 | ||
8236 | err_out_unmap: | |
4bb9ebc7 | 8237 | if (bp->flags & BNX2_FLAG_AER_ENABLED) { |
c239f279 | 8238 | pci_disable_pcie_error_reporting(pdev); |
4bb9ebc7 MC |
8239 | bp->flags &= ~BNX2_FLAG_AER_ENABLED; |
8240 | } | |
c239f279 | 8241 | |
b6016b76 MC |
8242 | if (bp->regview) { |
8243 | iounmap(bp->regview); | |
73eef4cd | 8244 | bp->regview = NULL; |
b6016b76 MC |
8245 | } |
8246 | ||
8247 | err_out_release: | |
8248 | pci_release_regions(pdev); | |
8249 | ||
8250 | err_out_disable: | |
8251 | pci_disable_device(pdev); | |
8252 | pci_set_drvdata(pdev, NULL); | |
8253 | ||
8254 | err_out: | |
8255 | return rc; | |
8256 | } | |
8257 | ||
883e5151 MC |
8258 | static char * __devinit |
8259 | bnx2_bus_string(struct bnx2 *bp, char *str) | |
8260 | { | |
8261 | char *s = str; | |
8262 | ||
f86e82fb | 8263 | if (bp->flags & BNX2_FLAG_PCIE) { |
883e5151 MC |
8264 | s += sprintf(s, "PCI Express"); |
8265 | } else { | |
8266 | s += sprintf(s, "PCI"); | |
f86e82fb | 8267 | if (bp->flags & BNX2_FLAG_PCIX) |
883e5151 | 8268 | s += sprintf(s, "-X"); |
f86e82fb | 8269 | if (bp->flags & BNX2_FLAG_PCI_32BIT) |
883e5151 MC |
8270 | s += sprintf(s, " 32-bit"); |
8271 | else | |
8272 | s += sprintf(s, " 64-bit"); | |
8273 | s += sprintf(s, " %dMHz", bp->bus_speed_mhz); | |
8274 | } | |
8275 | return str; | |
8276 | } | |
8277 | ||
f048fa9c MC |
8278 | static void |
8279 | bnx2_del_napi(struct bnx2 *bp) | |
8280 | { | |
8281 | int i; | |
8282 | ||
8283 | for (i = 0; i < bp->irq_nvecs; i++) | |
8284 | netif_napi_del(&bp->bnx2_napi[i].napi); | |
8285 | } | |
8286 | ||
8287 | static void | |
35efa7c1 MC |
8288 | bnx2_init_napi(struct bnx2 *bp) |
8289 | { | |
b4b36042 | 8290 | int i; |
35efa7c1 | 8291 | |
4327ba43 | 8292 | for (i = 0; i < bp->irq_nvecs; i++) { |
35e9010b MC |
8293 | struct bnx2_napi *bnapi = &bp->bnx2_napi[i]; |
8294 | int (*poll)(struct napi_struct *, int); | |
8295 | ||
8296 | if (i == 0) | |
8297 | poll = bnx2_poll; | |
8298 | else | |
f0ea2e63 | 8299 | poll = bnx2_poll_msix; |
35e9010b MC |
8300 | |
8301 | netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64); | |
b4b36042 MC |
8302 | bnapi->bp = bp; |
8303 | } | |
35efa7c1 MC |
8304 | } |
8305 | ||
0421eae6 SH |
8306 | static const struct net_device_ops bnx2_netdev_ops = { |
8307 | .ndo_open = bnx2_open, | |
8308 | .ndo_start_xmit = bnx2_start_xmit, | |
8309 | .ndo_stop = bnx2_close, | |
5d07bf26 | 8310 | .ndo_get_stats64 = bnx2_get_stats64, |
0421eae6 SH |
8311 | .ndo_set_rx_mode = bnx2_set_rx_mode, |
8312 | .ndo_do_ioctl = bnx2_ioctl, | |
8313 | .ndo_validate_addr = eth_validate_addr, | |
8314 | .ndo_set_mac_address = bnx2_change_mac_addr, | |
8315 | .ndo_change_mtu = bnx2_change_mtu, | |
8d7dfc2b MM |
8316 | .ndo_fix_features = bnx2_fix_features, |
8317 | .ndo_set_features = bnx2_set_features, | |
0421eae6 | 8318 | .ndo_tx_timeout = bnx2_tx_timeout, |
257ddbda | 8319 | #ifdef CONFIG_NET_POLL_CONTROLLER |
0421eae6 SH |
8320 | .ndo_poll_controller = poll_bnx2, |
8321 | #endif | |
8322 | }; | |
8323 | ||
b6016b76 MC |
8324 | static int __devinit |
8325 | bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) | |
8326 | { | |
8327 | static int version_printed = 0; | |
8328 | struct net_device *dev = NULL; | |
8329 | struct bnx2 *bp; | |
0795af57 | 8330 | int rc; |
883e5151 | 8331 | char str[40]; |
b6016b76 MC |
8332 | |
8333 | if (version_printed++ == 0) | |
3a9c6a49 | 8334 | pr_info("%s", version); |
b6016b76 MC |
8335 | |
8336 | /* dev zeroed in init_etherdev */ | |
706bf240 | 8337 | dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS); |
b6016b76 MC |
8338 | |
8339 | if (!dev) | |
8340 | return -ENOMEM; | |
8341 | ||
8342 | rc = bnx2_init_board(pdev, dev); | |
8343 | if (rc < 0) { | |
8344 | free_netdev(dev); | |
8345 | return rc; | |
8346 | } | |
8347 | ||
0421eae6 | 8348 | dev->netdev_ops = &bnx2_netdev_ops; |
b6016b76 | 8349 | dev->watchdog_timeo = TX_TIMEOUT; |
b6016b76 | 8350 | dev->ethtool_ops = &bnx2_ethtool_ops; |
b6016b76 | 8351 | |
972ec0d4 | 8352 | bp = netdev_priv(dev); |
b6016b76 | 8353 | |
1b2f922f MC |
8354 | pci_set_drvdata(pdev, dev); |
8355 | ||
57579f76 MC |
8356 | rc = bnx2_request_firmware(bp); |
8357 | if (rc) | |
8358 | goto error; | |
8359 | ||
1b2f922f MC |
8360 | memcpy(dev->dev_addr, bp->mac_addr, 6); |
8361 | memcpy(dev->perm_addr, bp->mac_addr, 6); | |
1b2f922f | 8362 | |
8d7dfc2b MM |
8363 | dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | |
8364 | NETIF_F_TSO | NETIF_F_TSO_ECN | | |
8365 | NETIF_F_RXHASH | NETIF_F_RXCSUM; | |
8366 | ||
8367 | if (CHIP_NUM(bp) == CHIP_NUM_5709) | |
8368 | dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; | |
8369 | ||
8370 | dev->vlan_features = dev->hw_features; | |
8371 | dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
8372 | dev->features |= dev->hw_features; | |
8373 | ||
b6016b76 | 8374 | if ((rc = register_netdev(dev))) { |
9b91cf9d | 8375 | dev_err(&pdev->dev, "Cannot register net device\n"); |
57579f76 | 8376 | goto error; |
b6016b76 MC |
8377 | } |
8378 | ||
3a9c6a49 JP |
8379 | netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, node addr %pM\n", |
8380 | board_info[ent->driver_data].name, | |
8381 | ((CHIP_ID(bp) & 0xf000) >> 12) + 'A', | |
8382 | ((CHIP_ID(bp) & 0x0ff0) >> 4), | |
8383 | bnx2_bus_string(bp, str), | |
8384 | dev->base_addr, | |
8385 | bp->pdev->irq, dev->dev_addr); | |
b6016b76 | 8386 | |
b6016b76 | 8387 | return 0; |
57579f76 MC |
8388 | |
8389 | error: | |
8390 | if (bp->mips_firmware) | |
8391 | release_firmware(bp->mips_firmware); | |
8392 | if (bp->rv2p_firmware) | |
8393 | release_firmware(bp->rv2p_firmware); | |
8394 | ||
8395 | if (bp->regview) | |
8396 | iounmap(bp->regview); | |
8397 | pci_release_regions(pdev); | |
8398 | pci_disable_device(pdev); | |
8399 | pci_set_drvdata(pdev, NULL); | |
8400 | free_netdev(dev); | |
8401 | return rc; | |
b6016b76 MC |
8402 | } |
8403 | ||
8404 | static void __devexit | |
8405 | bnx2_remove_one(struct pci_dev *pdev) | |
8406 | { | |
8407 | struct net_device *dev = pci_get_drvdata(pdev); | |
972ec0d4 | 8408 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 MC |
8409 | |
8410 | unregister_netdev(dev); | |
8411 | ||
8333a46a | 8412 | del_timer_sync(&bp->timer); |
cd634019 | 8413 | cancel_work_sync(&bp->reset_task); |
8333a46a | 8414 | |
57579f76 MC |
8415 | if (bp->mips_firmware) |
8416 | release_firmware(bp->mips_firmware); | |
8417 | if (bp->rv2p_firmware) | |
8418 | release_firmware(bp->rv2p_firmware); | |
8419 | ||
b6016b76 MC |
8420 | if (bp->regview) |
8421 | iounmap(bp->regview); | |
8422 | ||
354fcd77 MC |
8423 | kfree(bp->temp_stats_blk); |
8424 | ||
4bb9ebc7 | 8425 | if (bp->flags & BNX2_FLAG_AER_ENABLED) { |
c239f279 | 8426 | pci_disable_pcie_error_reporting(pdev); |
4bb9ebc7 MC |
8427 | bp->flags &= ~BNX2_FLAG_AER_ENABLED; |
8428 | } | |
cd709aa9 | 8429 | |
c239f279 | 8430 | free_netdev(dev); |
cd709aa9 | 8431 | |
b6016b76 MC |
8432 | pci_release_regions(pdev); |
8433 | pci_disable_device(pdev); | |
8434 | pci_set_drvdata(pdev, NULL); | |
8435 | } | |
8436 | ||
8437 | static int | |
829ca9a3 | 8438 | bnx2_suspend(struct pci_dev *pdev, pm_message_t state) |
b6016b76 MC |
8439 | { |
8440 | struct net_device *dev = pci_get_drvdata(pdev); | |
972ec0d4 | 8441 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 8442 | |
6caebb02 MC |
8443 | /* PCI register 4 needs to be saved whether netif_running() or not. |
8444 | * MSI address and data need to be saved if using MSI and | |
8445 | * netif_running(). | |
8446 | */ | |
8447 | pci_save_state(pdev); | |
b6016b76 MC |
8448 | if (!netif_running(dev)) |
8449 | return 0; | |
8450 | ||
23f333a2 | 8451 | cancel_work_sync(&bp->reset_task); |
212f9934 | 8452 | bnx2_netif_stop(bp, true); |
b6016b76 MC |
8453 | netif_device_detach(dev); |
8454 | del_timer_sync(&bp->timer); | |
74bf4ba3 | 8455 | bnx2_shutdown_chip(bp); |
b6016b76 | 8456 | bnx2_free_skbs(bp); |
829ca9a3 | 8457 | bnx2_set_power_state(bp, pci_choose_state(pdev, state)); |
b6016b76 MC |
8458 | return 0; |
8459 | } | |
8460 | ||
8461 | static int | |
8462 | bnx2_resume(struct pci_dev *pdev) | |
8463 | { | |
8464 | struct net_device *dev = pci_get_drvdata(pdev); | |
972ec0d4 | 8465 | struct bnx2 *bp = netdev_priv(dev); |
b6016b76 | 8466 | |
6caebb02 | 8467 | pci_restore_state(pdev); |
b6016b76 MC |
8468 | if (!netif_running(dev)) |
8469 | return 0; | |
8470 | ||
829ca9a3 | 8471 | bnx2_set_power_state(bp, PCI_D0); |
b6016b76 | 8472 | netif_device_attach(dev); |
9a120bc5 | 8473 | bnx2_init_nic(bp, 1); |
212f9934 | 8474 | bnx2_netif_start(bp, true); |
b6016b76 MC |
8475 | return 0; |
8476 | } | |
8477 | ||
6ff2da49 WX |
8478 | /** |
8479 | * bnx2_io_error_detected - called when PCI error is detected | |
8480 | * @pdev: Pointer to PCI device | |
8481 | * @state: The current pci connection state | |
8482 | * | |
8483 | * This function is called after a PCI bus error affecting | |
8484 | * this device has been detected. | |
8485 | */ | |
8486 | static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev, | |
8487 | pci_channel_state_t state) | |
8488 | { | |
8489 | struct net_device *dev = pci_get_drvdata(pdev); | |
8490 | struct bnx2 *bp = netdev_priv(dev); | |
8491 | ||
8492 | rtnl_lock(); | |
8493 | netif_device_detach(dev); | |
8494 | ||
2ec3de26 DN |
8495 | if (state == pci_channel_io_perm_failure) { |
8496 | rtnl_unlock(); | |
8497 | return PCI_ERS_RESULT_DISCONNECT; | |
8498 | } | |
8499 | ||
6ff2da49 | 8500 | if (netif_running(dev)) { |
212f9934 | 8501 | bnx2_netif_stop(bp, true); |
6ff2da49 WX |
8502 | del_timer_sync(&bp->timer); |
8503 | bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET); | |
8504 | } | |
8505 | ||
8506 | pci_disable_device(pdev); | |
8507 | rtnl_unlock(); | |
8508 | ||
8509 | /* Request a slot slot reset. */ | |
8510 | return PCI_ERS_RESULT_NEED_RESET; | |
8511 | } | |
8512 | ||
8513 | /** | |
8514 | * bnx2_io_slot_reset - called after the pci bus has been reset. | |
8515 | * @pdev: Pointer to PCI device | |
8516 | * | |
8517 | * Restart the card from scratch, as if from a cold-boot. | |
8518 | */ | |
8519 | static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev) | |
8520 | { | |
8521 | struct net_device *dev = pci_get_drvdata(pdev); | |
8522 | struct bnx2 *bp = netdev_priv(dev); | |
cd709aa9 JF |
8523 | pci_ers_result_t result; |
8524 | int err; | |
6ff2da49 WX |
8525 | |
8526 | rtnl_lock(); | |
8527 | if (pci_enable_device(pdev)) { | |
8528 | dev_err(&pdev->dev, | |
3a9c6a49 | 8529 | "Cannot re-enable PCI device after reset\n"); |
cd709aa9 JF |
8530 | result = PCI_ERS_RESULT_DISCONNECT; |
8531 | } else { | |
8532 | pci_set_master(pdev); | |
8533 | pci_restore_state(pdev); | |
8534 | pci_save_state(pdev); | |
8535 | ||
8536 | if (netif_running(dev)) { | |
8537 | bnx2_set_power_state(bp, PCI_D0); | |
8538 | bnx2_init_nic(bp, 1); | |
8539 | } | |
8540 | result = PCI_ERS_RESULT_RECOVERED; | |
6ff2da49 | 8541 | } |
cd709aa9 | 8542 | rtnl_unlock(); |
6ff2da49 | 8543 | |
4bb9ebc7 | 8544 | if (!(bp->flags & BNX2_FLAG_AER_ENABLED)) |
c239f279 MC |
8545 | return result; |
8546 | ||
cd709aa9 JF |
8547 | err = pci_cleanup_aer_uncorrect_error_status(pdev); |
8548 | if (err) { | |
8549 | dev_err(&pdev->dev, | |
8550 | "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n", | |
8551 | err); /* non-fatal, continue */ | |
6ff2da49 WX |
8552 | } |
8553 | ||
cd709aa9 | 8554 | return result; |
6ff2da49 WX |
8555 | } |
8556 | ||
8557 | /** | |
8558 | * bnx2_io_resume - called when traffic can start flowing again. | |
8559 | * @pdev: Pointer to PCI device | |
8560 | * | |
8561 | * This callback is called when the error recovery driver tells us that | |
8562 | * its OK to resume normal operation. | |
8563 | */ | |
8564 | static void bnx2_io_resume(struct pci_dev *pdev) | |
8565 | { | |
8566 | struct net_device *dev = pci_get_drvdata(pdev); | |
8567 | struct bnx2 *bp = netdev_priv(dev); | |
8568 | ||
8569 | rtnl_lock(); | |
8570 | if (netif_running(dev)) | |
212f9934 | 8571 | bnx2_netif_start(bp, true); |
6ff2da49 WX |
8572 | |
8573 | netif_device_attach(dev); | |
8574 | rtnl_unlock(); | |
8575 | } | |
8576 | ||
8577 | static struct pci_error_handlers bnx2_err_handler = { | |
8578 | .error_detected = bnx2_io_error_detected, | |
8579 | .slot_reset = bnx2_io_slot_reset, | |
8580 | .resume = bnx2_io_resume, | |
8581 | }; | |
8582 | ||
b6016b76 | 8583 | static struct pci_driver bnx2_pci_driver = { |
14ab9b86 PH |
8584 | .name = DRV_MODULE_NAME, |
8585 | .id_table = bnx2_pci_tbl, | |
8586 | .probe = bnx2_init_one, | |
8587 | .remove = __devexit_p(bnx2_remove_one), | |
8588 | .suspend = bnx2_suspend, | |
8589 | .resume = bnx2_resume, | |
6ff2da49 | 8590 | .err_handler = &bnx2_err_handler, |
b6016b76 MC |
8591 | }; |
8592 | ||
8593 | static int __init bnx2_init(void) | |
8594 | { | |
29917620 | 8595 | return pci_register_driver(&bnx2_pci_driver); |
b6016b76 MC |
8596 | } |
8597 | ||
8598 | static void __exit bnx2_cleanup(void) | |
8599 | { | |
8600 | pci_unregister_driver(&bnx2_pci_driver); | |
8601 | } | |
8602 | ||
8603 | module_init(bnx2_init); | |
8604 | module_exit(bnx2_cleanup); | |
8605 | ||
8606 | ||
8607 |