bnx2.c 191 KB

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  1. /* bnx2.c: Broadcom NX2 network driver.
  2. *
  3. * Copyright (c) 2004-2008 Broadcom Corporation
  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. #include <linux/module.h>
  12. #include <linux/moduleparam.h>
  13. #include <linux/kernel.h>
  14. #include <linux/timer.h>
  15. #include <linux/errno.h>
  16. #include <linux/ioport.h>
  17. #include <linux/slab.h>
  18. #include <linux/vmalloc.h>
  19. #include <linux/interrupt.h>
  20. #include <linux/pci.h>
  21. #include <linux/init.h>
  22. #include <linux/netdevice.h>
  23. #include <linux/etherdevice.h>
  24. #include <linux/skbuff.h>
  25. #include <linux/dma-mapping.h>
  26. #include <linux/bitops.h>
  27. #include <asm/io.h>
  28. #include <asm/irq.h>
  29. #include <linux/delay.h>
  30. #include <asm/byteorder.h>
  31. #include <asm/page.h>
  32. #include <linux/time.h>
  33. #include <linux/ethtool.h>
  34. #include <linux/mii.h>
  35. #ifdef NETIF_F_HW_VLAN_TX
  36. #include <linux/if_vlan.h>
  37. #define BCM_VLAN 1
  38. #endif
  39. #include <net/ip.h>
  40. #include <net/tcp.h>
  41. #include <net/checksum.h>
  42. #include <linux/workqueue.h>
  43. #include <linux/crc32.h>
  44. #include <linux/prefetch.h>
  45. #include <linux/cache.h>
  46. #include <linux/zlib.h>
  47. #include <linux/log2.h>
  48. #include "bnx2.h"
  49. #include "bnx2_fw.h"
  50. #include "bnx2_fw2.h"
  51. #define FW_BUF_SIZE 0x10000
  52. #define DRV_MODULE_NAME "bnx2"
  53. #define PFX DRV_MODULE_NAME ": "
  54. #define DRV_MODULE_VERSION "1.7.9"
  55. #define DRV_MODULE_RELDATE "July 18, 2008"
  56. #define RUN_AT(x) (jiffies + (x))
  57. /* Time in jiffies before concluding the transmitter is hung. */
  58. #define TX_TIMEOUT (5*HZ)
  59. static char version[] __devinitdata =
  60. "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  61. MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
  62. MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709 Driver");
  63. MODULE_LICENSE("GPL");
  64. MODULE_VERSION(DRV_MODULE_VERSION);
  65. static int disable_msi = 0;
  66. module_param(disable_msi, int, 0);
  67. MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
  68. typedef enum {
  69. BCM5706 = 0,
  70. NC370T,
  71. NC370I,
  72. BCM5706S,
  73. NC370F,
  74. BCM5708,
  75. BCM5708S,
  76. BCM5709,
  77. BCM5709S,
  78. BCM5716,
  79. } board_t;
  80. /* indexed by board_t, above */
  81. static struct {
  82. char *name;
  83. } board_info[] __devinitdata = {
  84. { "Broadcom NetXtreme II BCM5706 1000Base-T" },
  85. { "HP NC370T Multifunction Gigabit Server Adapter" },
  86. { "HP NC370i Multifunction Gigabit Server Adapter" },
  87. { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
  88. { "HP NC370F Multifunction Gigabit Server Adapter" },
  89. { "Broadcom NetXtreme II BCM5708 1000Base-T" },
  90. { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
  91. { "Broadcom NetXtreme II BCM5709 1000Base-T" },
  92. { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
  93. { "Broadcom NetXtreme II BCM5716 1000Base-T" },
  94. };
  95. static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = {
  96. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  97. PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
  98. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  99. PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
  100. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  101. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
  102. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
  103. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
  104. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  105. PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
  106. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  107. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
  108. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
  109. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
  110. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
  111. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
  112. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
  113. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
  114. { PCI_VENDOR_ID_BROADCOM, 0x163b,
  115. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
  116. { 0, }
  117. };
  118. static struct flash_spec flash_table[] =
  119. {
  120. #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
  121. #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
  122. /* Slow EEPROM */
  123. {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
  124. BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
  125. SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
  126. "EEPROM - slow"},
  127. /* Expansion entry 0001 */
  128. {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
  129. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  130. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  131. "Entry 0001"},
  132. /* Saifun SA25F010 (non-buffered flash) */
  133. /* strap, cfg1, & write1 need updates */
  134. {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
  135. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  136. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
  137. "Non-buffered flash (128kB)"},
  138. /* Saifun SA25F020 (non-buffered flash) */
  139. /* strap, cfg1, & write1 need updates */
  140. {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
  141. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  142. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
  143. "Non-buffered flash (256kB)"},
  144. /* Expansion entry 0100 */
  145. {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
  146. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  147. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  148. "Entry 0100"},
  149. /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
  150. {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
  151. NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
  152. ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
  153. "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
  154. /* Entry 0110: ST M45PE20 (non-buffered flash)*/
  155. {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
  156. NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
  157. ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
  158. "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
  159. /* Saifun SA25F005 (non-buffered flash) */
  160. /* strap, cfg1, & write1 need updates */
  161. {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
  162. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  163. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
  164. "Non-buffered flash (64kB)"},
  165. /* Fast EEPROM */
  166. {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
  167. BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
  168. SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
  169. "EEPROM - fast"},
  170. /* Expansion entry 1001 */
  171. {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
  172. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  173. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  174. "Entry 1001"},
  175. /* Expansion entry 1010 */
  176. {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
  177. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  178. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  179. "Entry 1010"},
  180. /* ATMEL AT45DB011B (buffered flash) */
  181. {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
  182. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  183. BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
  184. "Buffered flash (128kB)"},
  185. /* Expansion entry 1100 */
  186. {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
  187. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  188. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  189. "Entry 1100"},
  190. /* Expansion entry 1101 */
  191. {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
  192. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  193. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  194. "Entry 1101"},
  195. /* Ateml Expansion entry 1110 */
  196. {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
  197. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  198. BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
  199. "Entry 1110 (Atmel)"},
  200. /* ATMEL AT45DB021B (buffered flash) */
  201. {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
  202. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  203. BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
  204. "Buffered flash (256kB)"},
  205. };
  206. static struct flash_spec flash_5709 = {
  207. .flags = BNX2_NV_BUFFERED,
  208. .page_bits = BCM5709_FLASH_PAGE_BITS,
  209. .page_size = BCM5709_FLASH_PAGE_SIZE,
  210. .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
  211. .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
  212. .name = "5709 Buffered flash (256kB)",
  213. };
  214. MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
  215. static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
  216. {
  217. u32 diff;
  218. smp_mb();
  219. /* The ring uses 256 indices for 255 entries, one of them
  220. * needs to be skipped.
  221. */
  222. diff = txr->tx_prod - txr->tx_cons;
  223. if (unlikely(diff >= TX_DESC_CNT)) {
  224. diff &= 0xffff;
  225. if (diff == TX_DESC_CNT)
  226. diff = MAX_TX_DESC_CNT;
  227. }
  228. return (bp->tx_ring_size - diff);
  229. }
  230. static u32
  231. bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
  232. {
  233. u32 val;
  234. spin_lock_bh(&bp->indirect_lock);
  235. REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
  236. val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
  237. spin_unlock_bh(&bp->indirect_lock);
  238. return val;
  239. }
  240. static void
  241. bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
  242. {
  243. spin_lock_bh(&bp->indirect_lock);
  244. REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
  245. REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
  246. spin_unlock_bh(&bp->indirect_lock);
  247. }
  248. static void
  249. bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
  250. {
  251. bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
  252. }
  253. static u32
  254. bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
  255. {
  256. return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
  257. }
  258. static void
  259. bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
  260. {
  261. offset += cid_addr;
  262. spin_lock_bh(&bp->indirect_lock);
  263. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  264. int i;
  265. REG_WR(bp, BNX2_CTX_CTX_DATA, val);
  266. REG_WR(bp, BNX2_CTX_CTX_CTRL,
  267. offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
  268. for (i = 0; i < 5; i++) {
  269. val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
  270. if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
  271. break;
  272. udelay(5);
  273. }
  274. } else {
  275. REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
  276. REG_WR(bp, BNX2_CTX_DATA, val);
  277. }
  278. spin_unlock_bh(&bp->indirect_lock);
  279. }
  280. static int
  281. bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
  282. {
  283. u32 val1;
  284. int i, ret;
  285. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  286. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  287. val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  288. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  289. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  290. udelay(40);
  291. }
  292. val1 = (bp->phy_addr << 21) | (reg << 16) |
  293. BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
  294. BNX2_EMAC_MDIO_COMM_START_BUSY;
  295. REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
  296. for (i = 0; i < 50; i++) {
  297. udelay(10);
  298. val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
  299. if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
  300. udelay(5);
  301. val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
  302. val1 &= BNX2_EMAC_MDIO_COMM_DATA;
  303. break;
  304. }
  305. }
  306. if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
  307. *val = 0x0;
  308. ret = -EBUSY;
  309. }
  310. else {
  311. *val = val1;
  312. ret = 0;
  313. }
  314. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  315. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  316. val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  317. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  318. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  319. udelay(40);
  320. }
  321. return ret;
  322. }
  323. static int
  324. bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
  325. {
  326. u32 val1;
  327. int i, ret;
  328. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  329. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  330. val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  331. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  332. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  333. udelay(40);
  334. }
  335. val1 = (bp->phy_addr << 21) | (reg << 16) | val |
  336. BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
  337. BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
  338. REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
  339. for (i = 0; i < 50; i++) {
  340. udelay(10);
  341. val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
  342. if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
  343. udelay(5);
  344. break;
  345. }
  346. }
  347. if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
  348. ret = -EBUSY;
  349. else
  350. ret = 0;
  351. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  352. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  353. val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  354. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  355. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  356. udelay(40);
  357. }
  358. return ret;
  359. }
  360. static void
  361. bnx2_disable_int(struct bnx2 *bp)
  362. {
  363. int i;
  364. struct bnx2_napi *bnapi;
  365. for (i = 0; i < bp->irq_nvecs; i++) {
  366. bnapi = &bp->bnx2_napi[i];
  367. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  368. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  369. }
  370. REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
  371. }
  372. static void
  373. bnx2_enable_int(struct bnx2 *bp)
  374. {
  375. int i;
  376. struct bnx2_napi *bnapi;
  377. for (i = 0; i < bp->irq_nvecs; i++) {
  378. bnapi = &bp->bnx2_napi[i];
  379. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  380. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  381. BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
  382. bnapi->last_status_idx);
  383. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  384. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  385. bnapi->last_status_idx);
  386. }
  387. REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
  388. }
  389. static void
  390. bnx2_disable_int_sync(struct bnx2 *bp)
  391. {
  392. int i;
  393. atomic_inc(&bp->intr_sem);
  394. bnx2_disable_int(bp);
  395. for (i = 0; i < bp->irq_nvecs; i++)
  396. synchronize_irq(bp->irq_tbl[i].vector);
  397. }
  398. static void
  399. bnx2_napi_disable(struct bnx2 *bp)
  400. {
  401. int i;
  402. for (i = 0; i < bp->irq_nvecs; i++)
  403. napi_disable(&bp->bnx2_napi[i].napi);
  404. }
  405. static void
  406. bnx2_napi_enable(struct bnx2 *bp)
  407. {
  408. int i;
  409. for (i = 0; i < bp->irq_nvecs; i++)
  410. napi_enable(&bp->bnx2_napi[i].napi);
  411. }
  412. static void
  413. bnx2_netif_stop(struct bnx2 *bp)
  414. {
  415. bnx2_disable_int_sync(bp);
  416. if (netif_running(bp->dev)) {
  417. bnx2_napi_disable(bp);
  418. netif_tx_disable(bp->dev);
  419. bp->dev->trans_start = jiffies; /* prevent tx timeout */
  420. }
  421. }
  422. static void
  423. bnx2_netif_start(struct bnx2 *bp)
  424. {
  425. if (atomic_dec_and_test(&bp->intr_sem)) {
  426. if (netif_running(bp->dev)) {
  427. netif_tx_wake_all_queues(bp->dev);
  428. bnx2_napi_enable(bp);
  429. bnx2_enable_int(bp);
  430. }
  431. }
  432. }
  433. static void
  434. bnx2_free_tx_mem(struct bnx2 *bp)
  435. {
  436. int i;
  437. for (i = 0; i < bp->num_tx_rings; i++) {
  438. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  439. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  440. if (txr->tx_desc_ring) {
  441. pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
  442. txr->tx_desc_ring,
  443. txr->tx_desc_mapping);
  444. txr->tx_desc_ring = NULL;
  445. }
  446. kfree(txr->tx_buf_ring);
  447. txr->tx_buf_ring = NULL;
  448. }
  449. }
  450. static void
  451. bnx2_free_rx_mem(struct bnx2 *bp)
  452. {
  453. int i;
  454. for (i = 0; i < bp->num_rx_rings; i++) {
  455. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  456. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  457. int j;
  458. for (j = 0; j < bp->rx_max_ring; j++) {
  459. if (rxr->rx_desc_ring[j])
  460. pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
  461. rxr->rx_desc_ring[j],
  462. rxr->rx_desc_mapping[j]);
  463. rxr->rx_desc_ring[j] = NULL;
  464. }
  465. if (rxr->rx_buf_ring)
  466. vfree(rxr->rx_buf_ring);
  467. rxr->rx_buf_ring = NULL;
  468. for (j = 0; j < bp->rx_max_pg_ring; j++) {
  469. if (rxr->rx_pg_desc_ring[j])
  470. pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
  471. rxr->rx_pg_desc_ring[i],
  472. rxr->rx_pg_desc_mapping[i]);
  473. rxr->rx_pg_desc_ring[i] = NULL;
  474. }
  475. if (rxr->rx_pg_ring)
  476. vfree(rxr->rx_pg_ring);
  477. rxr->rx_pg_ring = NULL;
  478. }
  479. }
  480. static int
  481. bnx2_alloc_tx_mem(struct bnx2 *bp)
  482. {
  483. int i;
  484. for (i = 0; i < bp->num_tx_rings; i++) {
  485. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  486. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  487. txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
  488. if (txr->tx_buf_ring == NULL)
  489. return -ENOMEM;
  490. txr->tx_desc_ring =
  491. pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
  492. &txr->tx_desc_mapping);
  493. if (txr->tx_desc_ring == NULL)
  494. return -ENOMEM;
  495. }
  496. return 0;
  497. }
  498. static int
  499. bnx2_alloc_rx_mem(struct bnx2 *bp)
  500. {
  501. int i;
  502. for (i = 0; i < bp->num_rx_rings; i++) {
  503. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  504. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  505. int j;
  506. rxr->rx_buf_ring =
  507. vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
  508. if (rxr->rx_buf_ring == NULL)
  509. return -ENOMEM;
  510. memset(rxr->rx_buf_ring, 0,
  511. SW_RXBD_RING_SIZE * bp->rx_max_ring);
  512. for (j = 0; j < bp->rx_max_ring; j++) {
  513. rxr->rx_desc_ring[j] =
  514. pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
  515. &rxr->rx_desc_mapping[j]);
  516. if (rxr->rx_desc_ring[j] == NULL)
  517. return -ENOMEM;
  518. }
  519. if (bp->rx_pg_ring_size) {
  520. rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
  521. bp->rx_max_pg_ring);
  522. if (rxr->rx_pg_ring == NULL)
  523. return -ENOMEM;
  524. memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
  525. bp->rx_max_pg_ring);
  526. }
  527. for (j = 0; j < bp->rx_max_pg_ring; j++) {
  528. rxr->rx_pg_desc_ring[j] =
  529. pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
  530. &rxr->rx_pg_desc_mapping[j]);
  531. if (rxr->rx_pg_desc_ring[j] == NULL)
  532. return -ENOMEM;
  533. }
  534. }
  535. return 0;
  536. }
  537. static void
  538. bnx2_free_mem(struct bnx2 *bp)
  539. {
  540. int i;
  541. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  542. bnx2_free_tx_mem(bp);
  543. bnx2_free_rx_mem(bp);
  544. for (i = 0; i < bp->ctx_pages; i++) {
  545. if (bp->ctx_blk[i]) {
  546. pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
  547. bp->ctx_blk[i],
  548. bp->ctx_blk_mapping[i]);
  549. bp->ctx_blk[i] = NULL;
  550. }
  551. }
  552. if (bnapi->status_blk.msi) {
  553. pci_free_consistent(bp->pdev, bp->status_stats_size,
  554. bnapi->status_blk.msi,
  555. bp->status_blk_mapping);
  556. bnapi->status_blk.msi = NULL;
  557. bp->stats_blk = NULL;
  558. }
  559. }
  560. static int
  561. bnx2_alloc_mem(struct bnx2 *bp)
  562. {
  563. int i, status_blk_size, err;
  564. struct bnx2_napi *bnapi;
  565. void *status_blk;
  566. /* Combine status and statistics blocks into one allocation. */
  567. status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
  568. if (bp->flags & BNX2_FLAG_MSIX_CAP)
  569. status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
  570. BNX2_SBLK_MSIX_ALIGN_SIZE);
  571. bp->status_stats_size = status_blk_size +
  572. sizeof(struct statistics_block);
  573. status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
  574. &bp->status_blk_mapping);
  575. if (status_blk == NULL)
  576. goto alloc_mem_err;
  577. memset(status_blk, 0, bp->status_stats_size);
  578. bnapi = &bp->bnx2_napi[0];
  579. bnapi->status_blk.msi = status_blk;
  580. bnapi->hw_tx_cons_ptr =
  581. &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
  582. bnapi->hw_rx_cons_ptr =
  583. &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
  584. if (bp->flags & BNX2_FLAG_MSIX_CAP) {
  585. for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
  586. struct status_block_msix *sblk;
  587. bnapi = &bp->bnx2_napi[i];
  588. sblk = (void *) (status_blk +
  589. BNX2_SBLK_MSIX_ALIGN_SIZE * i);
  590. bnapi->status_blk.msix = sblk;
  591. bnapi->hw_tx_cons_ptr =
  592. &sblk->status_tx_quick_consumer_index;
  593. bnapi->hw_rx_cons_ptr =
  594. &sblk->status_rx_quick_consumer_index;
  595. bnapi->int_num = i << 24;
  596. }
  597. }
  598. bp->stats_blk = status_blk + status_blk_size;
  599. bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
  600. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  601. bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
  602. if (bp->ctx_pages == 0)
  603. bp->ctx_pages = 1;
  604. for (i = 0; i < bp->ctx_pages; i++) {
  605. bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
  606. BCM_PAGE_SIZE,
  607. &bp->ctx_blk_mapping[i]);
  608. if (bp->ctx_blk[i] == NULL)
  609. goto alloc_mem_err;
  610. }
  611. }
  612. err = bnx2_alloc_rx_mem(bp);
  613. if (err)
  614. goto alloc_mem_err;
  615. err = bnx2_alloc_tx_mem(bp);
  616. if (err)
  617. goto alloc_mem_err;
  618. return 0;
  619. alloc_mem_err:
  620. bnx2_free_mem(bp);
  621. return -ENOMEM;
  622. }
  623. static void
  624. bnx2_report_fw_link(struct bnx2 *bp)
  625. {
  626. u32 fw_link_status = 0;
  627. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  628. return;
  629. if (bp->link_up) {
  630. u32 bmsr;
  631. switch (bp->line_speed) {
  632. case SPEED_10:
  633. if (bp->duplex == DUPLEX_HALF)
  634. fw_link_status = BNX2_LINK_STATUS_10HALF;
  635. else
  636. fw_link_status = BNX2_LINK_STATUS_10FULL;
  637. break;
  638. case SPEED_100:
  639. if (bp->duplex == DUPLEX_HALF)
  640. fw_link_status = BNX2_LINK_STATUS_100HALF;
  641. else
  642. fw_link_status = BNX2_LINK_STATUS_100FULL;
  643. break;
  644. case SPEED_1000:
  645. if (bp->duplex == DUPLEX_HALF)
  646. fw_link_status = BNX2_LINK_STATUS_1000HALF;
  647. else
  648. fw_link_status = BNX2_LINK_STATUS_1000FULL;
  649. break;
  650. case SPEED_2500:
  651. if (bp->duplex == DUPLEX_HALF)
  652. fw_link_status = BNX2_LINK_STATUS_2500HALF;
  653. else
  654. fw_link_status = BNX2_LINK_STATUS_2500FULL;
  655. break;
  656. }
  657. fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
  658. if (bp->autoneg) {
  659. fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
  660. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  661. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  662. if (!(bmsr & BMSR_ANEGCOMPLETE) ||
  663. bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
  664. fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
  665. else
  666. fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
  667. }
  668. }
  669. else
  670. fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
  671. bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
  672. }
  673. static char *
  674. bnx2_xceiver_str(struct bnx2 *bp)
  675. {
  676. return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
  677. ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
  678. "Copper"));
  679. }
  680. static void
  681. bnx2_report_link(struct bnx2 *bp)
  682. {
  683. if (bp->link_up) {
  684. netif_carrier_on(bp->dev);
  685. printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
  686. bnx2_xceiver_str(bp));
  687. printk("%d Mbps ", bp->line_speed);
  688. if (bp->duplex == DUPLEX_FULL)
  689. printk("full duplex");
  690. else
  691. printk("half duplex");
  692. if (bp->flow_ctrl) {
  693. if (bp->flow_ctrl & FLOW_CTRL_RX) {
  694. printk(", receive ");
  695. if (bp->flow_ctrl & FLOW_CTRL_TX)
  696. printk("& transmit ");
  697. }
  698. else {
  699. printk(", transmit ");
  700. }
  701. printk("flow control ON");
  702. }
  703. printk("\n");
  704. }
  705. else {
  706. netif_carrier_off(bp->dev);
  707. printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
  708. bnx2_xceiver_str(bp));
  709. }
  710. bnx2_report_fw_link(bp);
  711. }
  712. static void
  713. bnx2_resolve_flow_ctrl(struct bnx2 *bp)
  714. {
  715. u32 local_adv, remote_adv;
  716. bp->flow_ctrl = 0;
  717. if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
  718. (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
  719. if (bp->duplex == DUPLEX_FULL) {
  720. bp->flow_ctrl = bp->req_flow_ctrl;
  721. }
  722. return;
  723. }
  724. if (bp->duplex != DUPLEX_FULL) {
  725. return;
  726. }
  727. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  728. (CHIP_NUM(bp) == CHIP_NUM_5708)) {
  729. u32 val;
  730. bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
  731. if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
  732. bp->flow_ctrl |= FLOW_CTRL_TX;
  733. if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
  734. bp->flow_ctrl |= FLOW_CTRL_RX;
  735. return;
  736. }
  737. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  738. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  739. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  740. u32 new_local_adv = 0;
  741. u32 new_remote_adv = 0;
  742. if (local_adv & ADVERTISE_1000XPAUSE)
  743. new_local_adv |= ADVERTISE_PAUSE_CAP;
  744. if (local_adv & ADVERTISE_1000XPSE_ASYM)
  745. new_local_adv |= ADVERTISE_PAUSE_ASYM;
  746. if (remote_adv & ADVERTISE_1000XPAUSE)
  747. new_remote_adv |= ADVERTISE_PAUSE_CAP;
  748. if (remote_adv & ADVERTISE_1000XPSE_ASYM)
  749. new_remote_adv |= ADVERTISE_PAUSE_ASYM;
  750. local_adv = new_local_adv;
  751. remote_adv = new_remote_adv;
  752. }
  753. /* See Table 28B-3 of 802.3ab-1999 spec. */
  754. if (local_adv & ADVERTISE_PAUSE_CAP) {
  755. if(local_adv & ADVERTISE_PAUSE_ASYM) {
  756. if (remote_adv & ADVERTISE_PAUSE_CAP) {
  757. bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
  758. }
  759. else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
  760. bp->flow_ctrl = FLOW_CTRL_RX;
  761. }
  762. }
  763. else {
  764. if (remote_adv & ADVERTISE_PAUSE_CAP) {
  765. bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
  766. }
  767. }
  768. }
  769. else if (local_adv & ADVERTISE_PAUSE_ASYM) {
  770. if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
  771. (remote_adv & ADVERTISE_PAUSE_ASYM)) {
  772. bp->flow_ctrl = FLOW_CTRL_TX;
  773. }
  774. }
  775. }
  776. static int
  777. bnx2_5709s_linkup(struct bnx2 *bp)
  778. {
  779. u32 val, speed;
  780. bp->link_up = 1;
  781. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
  782. bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
  783. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  784. if ((bp->autoneg & AUTONEG_SPEED) == 0) {
  785. bp->line_speed = bp->req_line_speed;
  786. bp->duplex = bp->req_duplex;
  787. return 0;
  788. }
  789. speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
  790. switch (speed) {
  791. case MII_BNX2_GP_TOP_AN_SPEED_10:
  792. bp->line_speed = SPEED_10;
  793. break;
  794. case MII_BNX2_GP_TOP_AN_SPEED_100:
  795. bp->line_speed = SPEED_100;
  796. break;
  797. case MII_BNX2_GP_TOP_AN_SPEED_1G:
  798. case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
  799. bp->line_speed = SPEED_1000;
  800. break;
  801. case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
  802. bp->line_speed = SPEED_2500;
  803. break;
  804. }
  805. if (val & MII_BNX2_GP_TOP_AN_FD)
  806. bp->duplex = DUPLEX_FULL;
  807. else
  808. bp->duplex = DUPLEX_HALF;
  809. return 0;
  810. }
  811. static int
  812. bnx2_5708s_linkup(struct bnx2 *bp)
  813. {
  814. u32 val;
  815. bp->link_up = 1;
  816. bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
  817. switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
  818. case BCM5708S_1000X_STAT1_SPEED_10:
  819. bp->line_speed = SPEED_10;
  820. break;
  821. case BCM5708S_1000X_STAT1_SPEED_100:
  822. bp->line_speed = SPEED_100;
  823. break;
  824. case BCM5708S_1000X_STAT1_SPEED_1G:
  825. bp->line_speed = SPEED_1000;
  826. break;
  827. case BCM5708S_1000X_STAT1_SPEED_2G5:
  828. bp->line_speed = SPEED_2500;
  829. break;
  830. }
  831. if (val & BCM5708S_1000X_STAT1_FD)
  832. bp->duplex = DUPLEX_FULL;
  833. else
  834. bp->duplex = DUPLEX_HALF;
  835. return 0;
  836. }
  837. static int
  838. bnx2_5706s_linkup(struct bnx2 *bp)
  839. {
  840. u32 bmcr, local_adv, remote_adv, common;
  841. bp->link_up = 1;
  842. bp->line_speed = SPEED_1000;
  843. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  844. if (bmcr & BMCR_FULLDPLX) {
  845. bp->duplex = DUPLEX_FULL;
  846. }
  847. else {
  848. bp->duplex = DUPLEX_HALF;
  849. }
  850. if (!(bmcr & BMCR_ANENABLE)) {
  851. return 0;
  852. }
  853. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  854. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  855. common = local_adv & remote_adv;
  856. if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
  857. if (common & ADVERTISE_1000XFULL) {
  858. bp->duplex = DUPLEX_FULL;
  859. }
  860. else {
  861. bp->duplex = DUPLEX_HALF;
  862. }
  863. }
  864. return 0;
  865. }
  866. static int
  867. bnx2_copper_linkup(struct bnx2 *bp)
  868. {
  869. u32 bmcr;
  870. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  871. if (bmcr & BMCR_ANENABLE) {
  872. u32 local_adv, remote_adv, common;
  873. bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
  874. bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
  875. common = local_adv & (remote_adv >> 2);
  876. if (common & ADVERTISE_1000FULL) {
  877. bp->line_speed = SPEED_1000;
  878. bp->duplex = DUPLEX_FULL;
  879. }
  880. else if (common & ADVERTISE_1000HALF) {
  881. bp->line_speed = SPEED_1000;
  882. bp->duplex = DUPLEX_HALF;
  883. }
  884. else {
  885. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  886. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  887. common = local_adv & remote_adv;
  888. if (common & ADVERTISE_100FULL) {
  889. bp->line_speed = SPEED_100;
  890. bp->duplex = DUPLEX_FULL;
  891. }
  892. else if (common & ADVERTISE_100HALF) {
  893. bp->line_speed = SPEED_100;
  894. bp->duplex = DUPLEX_HALF;
  895. }
  896. else if (common & ADVERTISE_10FULL) {
  897. bp->line_speed = SPEED_10;
  898. bp->duplex = DUPLEX_FULL;
  899. }
  900. else if (common & ADVERTISE_10HALF) {
  901. bp->line_speed = SPEED_10;
  902. bp->duplex = DUPLEX_HALF;
  903. }
  904. else {
  905. bp->line_speed = 0;
  906. bp->link_up = 0;
  907. }
  908. }
  909. }
  910. else {
  911. if (bmcr & BMCR_SPEED100) {
  912. bp->line_speed = SPEED_100;
  913. }
  914. else {
  915. bp->line_speed = SPEED_10;
  916. }
  917. if (bmcr & BMCR_FULLDPLX) {
  918. bp->duplex = DUPLEX_FULL;
  919. }
  920. else {
  921. bp->duplex = DUPLEX_HALF;
  922. }
  923. }
  924. return 0;
  925. }
  926. static void
  927. bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
  928. {
  929. u32 val, rx_cid_addr = GET_CID_ADDR(cid);
  930. val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
  931. val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
  932. val |= 0x02 << 8;
  933. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  934. u32 lo_water, hi_water;
  935. if (bp->flow_ctrl & FLOW_CTRL_TX)
  936. lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
  937. else
  938. lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
  939. if (lo_water >= bp->rx_ring_size)
  940. lo_water = 0;
  941. hi_water = bp->rx_ring_size / 4;
  942. if (hi_water <= lo_water)
  943. lo_water = 0;
  944. hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
  945. lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
  946. if (hi_water > 0xf)
  947. hi_water = 0xf;
  948. else if (hi_water == 0)
  949. lo_water = 0;
  950. val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
  951. }
  952. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
  953. }
  954. static void
  955. bnx2_init_all_rx_contexts(struct bnx2 *bp)
  956. {
  957. int i;
  958. u32 cid;
  959. for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
  960. if (i == 1)
  961. cid = RX_RSS_CID;
  962. bnx2_init_rx_context(bp, cid);
  963. }
  964. }
  965. static int
  966. bnx2_set_mac_link(struct bnx2 *bp)
  967. {
  968. u32 val;
  969. REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
  970. if (bp->link_up && (bp->line_speed == SPEED_1000) &&
  971. (bp->duplex == DUPLEX_HALF)) {
  972. REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
  973. }
  974. /* Configure the EMAC mode register. */
  975. val = REG_RD(bp, BNX2_EMAC_MODE);
  976. val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
  977. BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
  978. BNX2_EMAC_MODE_25G_MODE);
  979. if (bp->link_up) {
  980. switch (bp->line_speed) {
  981. case SPEED_10:
  982. if (CHIP_NUM(bp) != CHIP_NUM_5706) {
  983. val |= BNX2_EMAC_MODE_PORT_MII_10M;
  984. break;
  985. }
  986. /* fall through */
  987. case SPEED_100:
  988. val |= BNX2_EMAC_MODE_PORT_MII;
  989. break;
  990. case SPEED_2500:
  991. val |= BNX2_EMAC_MODE_25G_MODE;
  992. /* fall through */
  993. case SPEED_1000:
  994. val |= BNX2_EMAC_MODE_PORT_GMII;
  995. break;
  996. }
  997. }
  998. else {
  999. val |= BNX2_EMAC_MODE_PORT_GMII;
  1000. }
  1001. /* Set the MAC to operate in the appropriate duplex mode. */
  1002. if (bp->duplex == DUPLEX_HALF)
  1003. val |= BNX2_EMAC_MODE_HALF_DUPLEX;
  1004. REG_WR(bp, BNX2_EMAC_MODE, val);
  1005. /* Enable/disable rx PAUSE. */
  1006. bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
  1007. if (bp->flow_ctrl & FLOW_CTRL_RX)
  1008. bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
  1009. REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
  1010. /* Enable/disable tx PAUSE. */
  1011. val = REG_RD(bp, BNX2_EMAC_TX_MODE);
  1012. val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
  1013. if (bp->flow_ctrl & FLOW_CTRL_TX)
  1014. val |= BNX2_EMAC_TX_MODE_FLOW_EN;
  1015. REG_WR(bp, BNX2_EMAC_TX_MODE, val);
  1016. /* Acknowledge the interrupt. */
  1017. REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
  1018. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1019. bnx2_init_all_rx_contexts(bp);
  1020. return 0;
  1021. }
  1022. static void
  1023. bnx2_enable_bmsr1(struct bnx2 *bp)
  1024. {
  1025. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1026. (CHIP_NUM(bp) == CHIP_NUM_5709))
  1027. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1028. MII_BNX2_BLK_ADDR_GP_STATUS);
  1029. }
  1030. static void
  1031. bnx2_disable_bmsr1(struct bnx2 *bp)
  1032. {
  1033. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1034. (CHIP_NUM(bp) == CHIP_NUM_5709))
  1035. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1036. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1037. }
  1038. static int
  1039. bnx2_test_and_enable_2g5(struct bnx2 *bp)
  1040. {
  1041. u32 up1;
  1042. int ret = 1;
  1043. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1044. return 0;
  1045. if (bp->autoneg & AUTONEG_SPEED)
  1046. bp->advertising |= ADVERTISED_2500baseX_Full;
  1047. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1048. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  1049. bnx2_read_phy(bp, bp->mii_up1, &up1);
  1050. if (!(up1 & BCM5708S_UP1_2G5)) {
  1051. up1 |= BCM5708S_UP1_2G5;
  1052. bnx2_write_phy(bp, bp->mii_up1, up1);
  1053. ret = 0;
  1054. }
  1055. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1056. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1057. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1058. return ret;
  1059. }
  1060. static int
  1061. bnx2_test_and_disable_2g5(struct bnx2 *bp)
  1062. {
  1063. u32 up1;
  1064. int ret = 0;
  1065. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1066. return 0;
  1067. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1068. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  1069. bnx2_read_phy(bp, bp->mii_up1, &up1);
  1070. if (up1 & BCM5708S_UP1_2G5) {
  1071. up1 &= ~BCM5708S_UP1_2G5;
  1072. bnx2_write_phy(bp, bp->mii_up1, up1);
  1073. ret = 1;
  1074. }
  1075. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1076. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1077. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1078. return ret;
  1079. }
  1080. static void
  1081. bnx2_enable_forced_2g5(struct bnx2 *bp)
  1082. {
  1083. u32 bmcr;
  1084. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1085. return;
  1086. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  1087. u32 val;
  1088. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1089. MII_BNX2_BLK_ADDR_SERDES_DIG);
  1090. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
  1091. val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
  1092. val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
  1093. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
  1094. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1095. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1096. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1097. } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  1098. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1099. bmcr |= BCM5708S_BMCR_FORCE_2500;
  1100. }
  1101. if (bp->autoneg & AUTONEG_SPEED) {
  1102. bmcr &= ~BMCR_ANENABLE;
  1103. if (bp->req_duplex == DUPLEX_FULL)
  1104. bmcr |= BMCR_FULLDPLX;
  1105. }
  1106. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  1107. }
  1108. static void
  1109. bnx2_disable_forced_2g5(struct bnx2 *bp)
  1110. {
  1111. u32 bmcr;
  1112. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1113. return;
  1114. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  1115. u32 val;
  1116. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1117. MII_BNX2_BLK_ADDR_SERDES_DIG);
  1118. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
  1119. val &= ~MII_BNX2_SD_MISC1_FORCE;
  1120. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
  1121. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1122. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1123. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1124. } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  1125. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1126. bmcr &= ~BCM5708S_BMCR_FORCE_2500;
  1127. }
  1128. if (bp->autoneg & AUTONEG_SPEED)
  1129. bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
  1130. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  1131. }
  1132. static void
  1133. bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
  1134. {
  1135. u32 val;
  1136. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
  1137. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
  1138. if (start)
  1139. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
  1140. else
  1141. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
  1142. }
  1143. static int
  1144. bnx2_set_link(struct bnx2 *bp)
  1145. {
  1146. u32 bmsr;
  1147. u8 link_up;
  1148. if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
  1149. bp->link_up = 1;
  1150. return 0;
  1151. }
  1152. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  1153. return 0;
  1154. link_up = bp->link_up;
  1155. bnx2_enable_bmsr1(bp);
  1156. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  1157. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  1158. bnx2_disable_bmsr1(bp);
  1159. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1160. (CHIP_NUM(bp) == CHIP_NUM_5706)) {
  1161. u32 val, an_dbg;
  1162. if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
  1163. bnx2_5706s_force_link_dn(bp, 0);
  1164. bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
  1165. }
  1166. val = REG_RD(bp, BNX2_EMAC_STATUS);
  1167. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
  1168. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  1169. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  1170. if ((val & BNX2_EMAC_STATUS_LINK) &&
  1171. !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
  1172. bmsr |= BMSR_LSTATUS;
  1173. else
  1174. bmsr &= ~BMSR_LSTATUS;
  1175. }
  1176. if (bmsr & BMSR_LSTATUS) {
  1177. bp->link_up = 1;
  1178. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1179. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  1180. bnx2_5706s_linkup(bp);
  1181. else if (CHIP_NUM(bp) == CHIP_NUM_5708)
  1182. bnx2_5708s_linkup(bp);
  1183. else if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1184. bnx2_5709s_linkup(bp);
  1185. }
  1186. else {
  1187. bnx2_copper_linkup(bp);
  1188. }
  1189. bnx2_resolve_flow_ctrl(bp);
  1190. }
  1191. else {
  1192. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1193. (bp->autoneg & AUTONEG_SPEED))
  1194. bnx2_disable_forced_2g5(bp);
  1195. if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
  1196. u32 bmcr;
  1197. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1198. bmcr |= BMCR_ANENABLE;
  1199. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  1200. bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
  1201. }
  1202. bp->link_up = 0;
  1203. }
  1204. if (bp->link_up != link_up) {
  1205. bnx2_report_link(bp);
  1206. }
  1207. bnx2_set_mac_link(bp);
  1208. return 0;
  1209. }
  1210. static int
  1211. bnx2_reset_phy(struct bnx2 *bp)
  1212. {
  1213. int i;
  1214. u32 reg;
  1215. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
  1216. #define PHY_RESET_MAX_WAIT 100
  1217. for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
  1218. udelay(10);
  1219. bnx2_read_phy(bp, bp->mii_bmcr, &reg);
  1220. if (!(reg & BMCR_RESET)) {
  1221. udelay(20);
  1222. break;
  1223. }
  1224. }
  1225. if (i == PHY_RESET_MAX_WAIT) {
  1226. return -EBUSY;
  1227. }
  1228. return 0;
  1229. }
  1230. static u32
  1231. bnx2_phy_get_pause_adv(struct bnx2 *bp)
  1232. {
  1233. u32 adv = 0;
  1234. if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
  1235. (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
  1236. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1237. adv = ADVERTISE_1000XPAUSE;
  1238. }
  1239. else {
  1240. adv = ADVERTISE_PAUSE_CAP;
  1241. }
  1242. }
  1243. else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
  1244. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1245. adv = ADVERTISE_1000XPSE_ASYM;
  1246. }
  1247. else {
  1248. adv = ADVERTISE_PAUSE_ASYM;
  1249. }
  1250. }
  1251. else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
  1252. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1253. adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
  1254. }
  1255. else {
  1256. adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
  1257. }
  1258. }
  1259. return adv;
  1260. }
  1261. static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
  1262. static int
  1263. bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
  1264. {
  1265. u32 speed_arg = 0, pause_adv;
  1266. pause_adv = bnx2_phy_get_pause_adv(bp);
  1267. if (bp->autoneg & AUTONEG_SPEED) {
  1268. speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
  1269. if (bp->advertising & ADVERTISED_10baseT_Half)
  1270. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
  1271. if (bp->advertising & ADVERTISED_10baseT_Full)
  1272. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
  1273. if (bp->advertising & ADVERTISED_100baseT_Half)
  1274. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
  1275. if (bp->advertising & ADVERTISED_100baseT_Full)
  1276. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
  1277. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1278. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
  1279. if (bp->advertising & ADVERTISED_2500baseX_Full)
  1280. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
  1281. } else {
  1282. if (bp->req_line_speed == SPEED_2500)
  1283. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
  1284. else if (bp->req_line_speed == SPEED_1000)
  1285. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
  1286. else if (bp->req_line_speed == SPEED_100) {
  1287. if (bp->req_duplex == DUPLEX_FULL)
  1288. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
  1289. else
  1290. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
  1291. } else if (bp->req_line_speed == SPEED_10) {
  1292. if (bp->req_duplex == DUPLEX_FULL)
  1293. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
  1294. else
  1295. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
  1296. }
  1297. }
  1298. if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
  1299. speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
  1300. if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
  1301. speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
  1302. if (port == PORT_TP)
  1303. speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
  1304. BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
  1305. bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
  1306. spin_unlock_bh(&bp->phy_lock);
  1307. bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
  1308. spin_lock_bh(&bp->phy_lock);
  1309. return 0;
  1310. }
  1311. static int
  1312. bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
  1313. {
  1314. u32 adv, bmcr;
  1315. u32 new_adv = 0;
  1316. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  1317. return (bnx2_setup_remote_phy(bp, port));
  1318. if (!(bp->autoneg & AUTONEG_SPEED)) {
  1319. u32 new_bmcr;
  1320. int force_link_down = 0;
  1321. if (bp->req_line_speed == SPEED_2500) {
  1322. if (!bnx2_test_and_enable_2g5(bp))
  1323. force_link_down = 1;
  1324. } else if (bp->req_line_speed == SPEED_1000) {
  1325. if (bnx2_test_and_disable_2g5(bp))
  1326. force_link_down = 1;
  1327. }
  1328. bnx2_read_phy(bp, bp->mii_adv, &adv);
  1329. adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
  1330. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1331. new_bmcr = bmcr & ~BMCR_ANENABLE;
  1332. new_bmcr |= BMCR_SPEED1000;
  1333. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  1334. if (bp->req_line_speed == SPEED_2500)
  1335. bnx2_enable_forced_2g5(bp);
  1336. else if (bp->req_line_speed == SPEED_1000) {
  1337. bnx2_disable_forced_2g5(bp);
  1338. new_bmcr &= ~0x2000;
  1339. }
  1340. } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  1341. if (bp->req_line_speed == SPEED_2500)
  1342. new_bmcr |= BCM5708S_BMCR_FORCE_2500;
  1343. else
  1344. new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
  1345. }
  1346. if (bp->req_duplex == DUPLEX_FULL) {
  1347. adv |= ADVERTISE_1000XFULL;
  1348. new_bmcr |= BMCR_FULLDPLX;
  1349. }
  1350. else {
  1351. adv |= ADVERTISE_1000XHALF;
  1352. new_bmcr &= ~BMCR_FULLDPLX;
  1353. }
  1354. if ((new_bmcr != bmcr) || (force_link_down)) {
  1355. /* Force a link down visible on the other side */
  1356. if (bp->link_up) {
  1357. bnx2_write_phy(bp, bp->mii_adv, adv &
  1358. ~(ADVERTISE_1000XFULL |
  1359. ADVERTISE_1000XHALF));
  1360. bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
  1361. BMCR_ANRESTART | BMCR_ANENABLE);
  1362. bp->link_up = 0;
  1363. netif_carrier_off(bp->dev);
  1364. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1365. bnx2_report_link(bp);
  1366. }
  1367. bnx2_write_phy(bp, bp->mii_adv, adv);
  1368. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1369. } else {
  1370. bnx2_resolve_flow_ctrl(bp);
  1371. bnx2_set_mac_link(bp);
  1372. }
  1373. return 0;
  1374. }
  1375. bnx2_test_and_enable_2g5(bp);
  1376. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1377. new_adv |= ADVERTISE_1000XFULL;
  1378. new_adv |= bnx2_phy_get_pause_adv(bp);
  1379. bnx2_read_phy(bp, bp->mii_adv, &adv);
  1380. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1381. bp->serdes_an_pending = 0;
  1382. if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
  1383. /* Force a link down visible on the other side */
  1384. if (bp->link_up) {
  1385. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  1386. spin_unlock_bh(&bp->phy_lock);
  1387. msleep(20);
  1388. spin_lock_bh(&bp->phy_lock);
  1389. }
  1390. bnx2_write_phy(bp, bp->mii_adv, new_adv);
  1391. bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
  1392. BMCR_ANENABLE);
  1393. /* Speed up link-up time when the link partner
  1394. * does not autonegotiate which is very common
  1395. * in blade servers. Some blade servers use
  1396. * IPMI for kerboard input and it's important
  1397. * to minimize link disruptions. Autoneg. involves
  1398. * exchanging base pages plus 3 next pages and
  1399. * normally completes in about 120 msec.
  1400. */
  1401. bp->current_interval = SERDES_AN_TIMEOUT;
  1402. bp->serdes_an_pending = 1;
  1403. mod_timer(&bp->timer, jiffies + bp->current_interval);
  1404. } else {
  1405. bnx2_resolve_flow_ctrl(bp);
  1406. bnx2_set_mac_link(bp);
  1407. }
  1408. return 0;
  1409. }
  1410. #define ETHTOOL_ALL_FIBRE_SPEED \
  1411. (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
  1412. (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
  1413. (ADVERTISED_1000baseT_Full)
  1414. #define ETHTOOL_ALL_COPPER_SPEED \
  1415. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
  1416. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
  1417. ADVERTISED_1000baseT_Full)
  1418. #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
  1419. ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
  1420. #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
  1421. static void
  1422. bnx2_set_default_remote_link(struct bnx2 *bp)
  1423. {
  1424. u32 link;
  1425. if (bp->phy_port == PORT_TP)
  1426. link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
  1427. else
  1428. link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
  1429. if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
  1430. bp->req_line_speed = 0;
  1431. bp->autoneg |= AUTONEG_SPEED;
  1432. bp->advertising = ADVERTISED_Autoneg;
  1433. if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
  1434. bp->advertising |= ADVERTISED_10baseT_Half;
  1435. if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
  1436. bp->advertising |= ADVERTISED_10baseT_Full;
  1437. if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
  1438. bp->advertising |= ADVERTISED_100baseT_Half;
  1439. if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
  1440. bp->advertising |= ADVERTISED_100baseT_Full;
  1441. if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
  1442. bp->advertising |= ADVERTISED_1000baseT_Full;
  1443. if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
  1444. bp->advertising |= ADVERTISED_2500baseX_Full;
  1445. } else {
  1446. bp->autoneg = 0;
  1447. bp->advertising = 0;
  1448. bp->req_duplex = DUPLEX_FULL;
  1449. if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
  1450. bp->req_line_speed = SPEED_10;
  1451. if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
  1452. bp->req_duplex = DUPLEX_HALF;
  1453. }
  1454. if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
  1455. bp->req_line_speed = SPEED_100;
  1456. if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
  1457. bp->req_duplex = DUPLEX_HALF;
  1458. }
  1459. if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
  1460. bp->req_line_speed = SPEED_1000;
  1461. if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
  1462. bp->req_line_speed = SPEED_2500;
  1463. }
  1464. }
  1465. static void
  1466. bnx2_set_default_link(struct bnx2 *bp)
  1467. {
  1468. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  1469. bnx2_set_default_remote_link(bp);
  1470. return;
  1471. }
  1472. bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
  1473. bp->req_line_speed = 0;
  1474. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1475. u32 reg;
  1476. bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
  1477. reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
  1478. reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
  1479. if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
  1480. bp->autoneg = 0;
  1481. bp->req_line_speed = bp->line_speed = SPEED_1000;
  1482. bp->req_duplex = DUPLEX_FULL;
  1483. }
  1484. } else
  1485. bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
  1486. }
  1487. static void
  1488. bnx2_send_heart_beat(struct bnx2 *bp)
  1489. {
  1490. u32 msg;
  1491. u32 addr;
  1492. spin_lock(&bp->indirect_lock);
  1493. msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
  1494. addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
  1495. REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
  1496. REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
  1497. spin_unlock(&bp->indirect_lock);
  1498. }
  1499. static void
  1500. bnx2_remote_phy_event(struct bnx2 *bp)
  1501. {
  1502. u32 msg;
  1503. u8 link_up = bp->link_up;
  1504. u8 old_port;
  1505. msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
  1506. if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
  1507. bnx2_send_heart_beat(bp);
  1508. msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
  1509. if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
  1510. bp->link_up = 0;
  1511. else {
  1512. u32 speed;
  1513. bp->link_up = 1;
  1514. speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
  1515. bp->duplex = DUPLEX_FULL;
  1516. switch (speed) {
  1517. case BNX2_LINK_STATUS_10HALF:
  1518. bp->duplex = DUPLEX_HALF;
  1519. case BNX2_LINK_STATUS_10FULL:
  1520. bp->line_speed = SPEED_10;
  1521. break;
  1522. case BNX2_LINK_STATUS_100HALF:
  1523. bp->duplex = DUPLEX_HALF;
  1524. case BNX2_LINK_STATUS_100BASE_T4:
  1525. case BNX2_LINK_STATUS_100FULL:
  1526. bp->line_speed = SPEED_100;
  1527. break;
  1528. case BNX2_LINK_STATUS_1000HALF:
  1529. bp->duplex = DUPLEX_HALF;
  1530. case BNX2_LINK_STATUS_1000FULL:
  1531. bp->line_speed = SPEED_1000;
  1532. break;
  1533. case BNX2_LINK_STATUS_2500HALF:
  1534. bp->duplex = DUPLEX_HALF;
  1535. case BNX2_LINK_STATUS_2500FULL:
  1536. bp->line_speed = SPEED_2500;
  1537. break;
  1538. default:
  1539. bp->line_speed = 0;
  1540. break;
  1541. }
  1542. bp->flow_ctrl = 0;
  1543. if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
  1544. (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
  1545. if (bp->duplex == DUPLEX_FULL)
  1546. bp->flow_ctrl = bp->req_flow_ctrl;
  1547. } else {
  1548. if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
  1549. bp->flow_ctrl |= FLOW_CTRL_TX;
  1550. if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
  1551. bp->flow_ctrl |= FLOW_CTRL_RX;
  1552. }
  1553. old_port = bp->phy_port;
  1554. if (msg & BNX2_LINK_STATUS_SERDES_LINK)
  1555. bp->phy_port = PORT_FIBRE;
  1556. else
  1557. bp->phy_port = PORT_TP;
  1558. if (old_port != bp->phy_port)
  1559. bnx2_set_default_link(bp);
  1560. }
  1561. if (bp->link_up != link_up)
  1562. bnx2_report_link(bp);
  1563. bnx2_set_mac_link(bp);
  1564. }
  1565. static int
  1566. bnx2_set_remote_link(struct bnx2 *bp)
  1567. {
  1568. u32 evt_code;
  1569. evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
  1570. switch (evt_code) {
  1571. case BNX2_FW_EVT_CODE_LINK_EVENT:
  1572. bnx2_remote_phy_event(bp);
  1573. break;
  1574. case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
  1575. default:
  1576. bnx2_send_heart_beat(bp);
  1577. break;
  1578. }
  1579. return 0;
  1580. }
  1581. static int
  1582. bnx2_setup_copper_phy(struct bnx2 *bp)
  1583. {
  1584. u32 bmcr;
  1585. u32 new_bmcr;
  1586. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1587. if (bp->autoneg & AUTONEG_SPEED) {
  1588. u32 adv_reg, adv1000_reg;
  1589. u32 new_adv_reg = 0;
  1590. u32 new_adv1000_reg = 0;
  1591. bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
  1592. adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
  1593. ADVERTISE_PAUSE_ASYM);
  1594. bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
  1595. adv1000_reg &= PHY_ALL_1000_SPEED;
  1596. if (bp->advertising & ADVERTISED_10baseT_Half)
  1597. new_adv_reg |= ADVERTISE_10HALF;
  1598. if (bp->advertising & ADVERTISED_10baseT_Full)
  1599. new_adv_reg |= ADVERTISE_10FULL;
  1600. if (bp->advertising & ADVERTISED_100baseT_Half)
  1601. new_adv_reg |= ADVERTISE_100HALF;
  1602. if (bp->advertising & ADVERTISED_100baseT_Full)
  1603. new_adv_reg |= ADVERTISE_100FULL;
  1604. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1605. new_adv1000_reg |= ADVERTISE_1000FULL;
  1606. new_adv_reg |= ADVERTISE_CSMA;
  1607. new_adv_reg |= bnx2_phy_get_pause_adv(bp);
  1608. if ((adv1000_reg != new_adv1000_reg) ||
  1609. (adv_reg != new_adv_reg) ||
  1610. ((bmcr & BMCR_ANENABLE) == 0)) {
  1611. bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
  1612. bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
  1613. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
  1614. BMCR_ANENABLE);
  1615. }
  1616. else if (bp->link_up) {
  1617. /* Flow ctrl may have changed from auto to forced */
  1618. /* or vice-versa. */
  1619. bnx2_resolve_flow_ctrl(bp);
  1620. bnx2_set_mac_link(bp);
  1621. }
  1622. return 0;
  1623. }
  1624. new_bmcr = 0;
  1625. if (bp->req_line_speed == SPEED_100) {
  1626. new_bmcr |= BMCR_SPEED100;
  1627. }
  1628. if (bp->req_duplex == DUPLEX_FULL) {
  1629. new_bmcr |= BMCR_FULLDPLX;
  1630. }
  1631. if (new_bmcr != bmcr) {
  1632. u32 bmsr;
  1633. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1634. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1635. if (bmsr & BMSR_LSTATUS) {
  1636. /* Force link down */
  1637. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  1638. spin_unlock_bh(&bp->phy_lock);
  1639. msleep(50);
  1640. spin_lock_bh(&bp->phy_lock);
  1641. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1642. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1643. }
  1644. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1645. /* Normally, the new speed is setup after the link has
  1646. * gone down and up again. In some cases, link will not go
  1647. * down so we need to set up the new speed here.
  1648. */
  1649. if (bmsr & BMSR_LSTATUS) {
  1650. bp->line_speed = bp->req_line_speed;
  1651. bp->duplex = bp->req_duplex;
  1652. bnx2_resolve_flow_ctrl(bp);
  1653. bnx2_set_mac_link(bp);
  1654. }
  1655. } else {
  1656. bnx2_resolve_flow_ctrl(bp);
  1657. bnx2_set_mac_link(bp);
  1658. }
  1659. return 0;
  1660. }
  1661. static int
  1662. bnx2_setup_phy(struct bnx2 *bp, u8 port)
  1663. {
  1664. if (bp->loopback == MAC_LOOPBACK)
  1665. return 0;
  1666. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1667. return (bnx2_setup_serdes_phy(bp, port));
  1668. }
  1669. else {
  1670. return (bnx2_setup_copper_phy(bp));
  1671. }
  1672. }
  1673. static int
  1674. bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
  1675. {
  1676. u32 val;
  1677. bp->mii_bmcr = MII_BMCR + 0x10;
  1678. bp->mii_bmsr = MII_BMSR + 0x10;
  1679. bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
  1680. bp->mii_adv = MII_ADVERTISE + 0x10;
  1681. bp->mii_lpa = MII_LPA + 0x10;
  1682. bp->mii_up1 = MII_BNX2_OVER1G_UP1;
  1683. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
  1684. bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
  1685. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1686. if (reset_phy)
  1687. bnx2_reset_phy(bp);
  1688. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
  1689. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
  1690. val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
  1691. val |= MII_BNX2_SD_1000XCTL1_FIBER;
  1692. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
  1693. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  1694. bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
  1695. if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
  1696. val |= BCM5708S_UP1_2G5;
  1697. else
  1698. val &= ~BCM5708S_UP1_2G5;
  1699. bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
  1700. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
  1701. bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
  1702. val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
  1703. bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
  1704. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
  1705. val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
  1706. MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
  1707. bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
  1708. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1709. return 0;
  1710. }
  1711. static int
  1712. bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
  1713. {
  1714. u32 val;
  1715. if (reset_phy)
  1716. bnx2_reset_phy(bp);
  1717. bp->mii_up1 = BCM5708S_UP1;
  1718. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
  1719. bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
  1720. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
  1721. bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
  1722. val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
  1723. bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
  1724. bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
  1725. val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
  1726. bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
  1727. if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
  1728. bnx2_read_phy(bp, BCM5708S_UP1, &val);
  1729. val |= BCM5708S_UP1_2G5;
  1730. bnx2_write_phy(bp, BCM5708S_UP1, val);
  1731. }
  1732. if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
  1733. (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
  1734. (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
  1735. /* increase tx signal amplitude */
  1736. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1737. BCM5708S_BLK_ADDR_TX_MISC);
  1738. bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
  1739. val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
  1740. bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
  1741. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
  1742. }
  1743. val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
  1744. BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
  1745. if (val) {
  1746. u32 is_backplane;
  1747. is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
  1748. if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
  1749. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1750. BCM5708S_BLK_ADDR_TX_MISC);
  1751. bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
  1752. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1753. BCM5708S_BLK_ADDR_DIG);
  1754. }
  1755. }
  1756. return 0;
  1757. }
  1758. static int
  1759. bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
  1760. {
  1761. if (reset_phy)
  1762. bnx2_reset_phy(bp);
  1763. bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
  1764. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  1765. REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
  1766. if (bp->dev->mtu > 1500) {
  1767. u32 val;
  1768. /* Set extended packet length bit */
  1769. bnx2_write_phy(bp, 0x18, 0x7);
  1770. bnx2_read_phy(bp, 0x18, &val);
  1771. bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
  1772. bnx2_write_phy(bp, 0x1c, 0x6c00);
  1773. bnx2_read_phy(bp, 0x1c, &val);
  1774. bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
  1775. }
  1776. else {
  1777. u32 val;
  1778. bnx2_write_phy(bp, 0x18, 0x7);
  1779. bnx2_read_phy(bp, 0x18, &val);
  1780. bnx2_write_phy(bp, 0x18, val & ~0x4007);
  1781. bnx2_write_phy(bp, 0x1c, 0x6c00);
  1782. bnx2_read_phy(bp, 0x1c, &val);
  1783. bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
  1784. }
  1785. return 0;
  1786. }
  1787. static int
  1788. bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
  1789. {
  1790. u32 val;
  1791. if (reset_phy)
  1792. bnx2_reset_phy(bp);
  1793. if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
  1794. bnx2_write_phy(bp, 0x18, 0x0c00);
  1795. bnx2_write_phy(bp, 0x17, 0x000a);
  1796. bnx2_write_phy(bp, 0x15, 0x310b);
  1797. bnx2_write_phy(bp, 0x17, 0x201f);
  1798. bnx2_write_phy(bp, 0x15, 0x9506);
  1799. bnx2_write_phy(bp, 0x17, 0x401f);
  1800. bnx2_write_phy(bp, 0x15, 0x14e2);
  1801. bnx2_write_phy(bp, 0x18, 0x0400);
  1802. }
  1803. if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
  1804. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
  1805. MII_BNX2_DSP_EXPAND_REG | 0x8);
  1806. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
  1807. val &= ~(1 << 8);
  1808. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
  1809. }
  1810. if (bp->dev->mtu > 1500) {
  1811. /* Set extended packet length bit */
  1812. bnx2_write_phy(bp, 0x18, 0x7);
  1813. bnx2_read_phy(bp, 0x18, &val);
  1814. bnx2_write_phy(bp, 0x18, val | 0x4000);
  1815. bnx2_read_phy(bp, 0x10, &val);
  1816. bnx2_write_phy(bp, 0x10, val | 0x1);
  1817. }
  1818. else {
  1819. bnx2_write_phy(bp, 0x18, 0x7);
  1820. bnx2_read_phy(bp, 0x18, &val);
  1821. bnx2_write_phy(bp, 0x18, val & ~0x4007);
  1822. bnx2_read_phy(bp, 0x10, &val);
  1823. bnx2_write_phy(bp, 0x10, val & ~0x1);
  1824. }
  1825. /* ethernet@wirespeed */
  1826. bnx2_write_phy(bp, 0x18, 0x7007);
  1827. bnx2_read_phy(bp, 0x18, &val);
  1828. bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
  1829. return 0;
  1830. }
  1831. static int
  1832. bnx2_init_phy(struct bnx2 *bp, int reset_phy)
  1833. {
  1834. u32 val;
  1835. int rc = 0;
  1836. bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
  1837. bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
  1838. bp->mii_bmcr = MII_BMCR;
  1839. bp->mii_bmsr = MII_BMSR;
  1840. bp->mii_bmsr1 = MII_BMSR;
  1841. bp->mii_adv = MII_ADVERTISE;
  1842. bp->mii_lpa = MII_LPA;
  1843. REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
  1844. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  1845. goto setup_phy;
  1846. bnx2_read_phy(bp, MII_PHYSID1, &val);
  1847. bp->phy_id = val << 16;
  1848. bnx2_read_phy(bp, MII_PHYSID2, &val);
  1849. bp->phy_id |= val & 0xffff;
  1850. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1851. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  1852. rc = bnx2_init_5706s_phy(bp, reset_phy);
  1853. else if (CHIP_NUM(bp) == CHIP_NUM_5708)
  1854. rc = bnx2_init_5708s_phy(bp, reset_phy);
  1855. else if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1856. rc = bnx2_init_5709s_phy(bp, reset_phy);
  1857. }
  1858. else {
  1859. rc = bnx2_init_copper_phy(bp, reset_phy);
  1860. }
  1861. setup_phy:
  1862. if (!rc)
  1863. rc = bnx2_setup_phy(bp, bp->phy_port);
  1864. return rc;
  1865. }
  1866. static int
  1867. bnx2_set_mac_loopback(struct bnx2 *bp)
  1868. {
  1869. u32 mac_mode;
  1870. mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
  1871. mac_mode &= ~BNX2_EMAC_MODE_PORT;
  1872. mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
  1873. REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
  1874. bp->link_up = 1;
  1875. return 0;
  1876. }
  1877. static int bnx2_test_link(struct bnx2 *);
  1878. static int
  1879. bnx2_set_phy_loopback(struct bnx2 *bp)
  1880. {
  1881. u32 mac_mode;
  1882. int rc, i;
  1883. spin_lock_bh(&bp->phy_lock);
  1884. rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
  1885. BMCR_SPEED1000);
  1886. spin_unlock_bh(&bp->phy_lock);
  1887. if (rc)
  1888. return rc;
  1889. for (i = 0; i < 10; i++) {
  1890. if (bnx2_test_link(bp) == 0)
  1891. break;
  1892. msleep(100);
  1893. }
  1894. mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
  1895. mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
  1896. BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
  1897. BNX2_EMAC_MODE_25G_MODE);
  1898. mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
  1899. REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
  1900. bp->link_up = 1;
  1901. return 0;
  1902. }
  1903. static int
  1904. bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
  1905. {
  1906. int i;
  1907. u32 val;
  1908. bp->fw_wr_seq++;
  1909. msg_data |= bp->fw_wr_seq;
  1910. bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
  1911. if (!ack)
  1912. return 0;
  1913. /* wait for an acknowledgement. */
  1914. for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
  1915. msleep(10);
  1916. val = bnx2_shmem_rd(bp, BNX2_FW_MB);
  1917. if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
  1918. break;
  1919. }
  1920. if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
  1921. return 0;
  1922. /* If we timed out, inform the firmware that this is the case. */
  1923. if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
  1924. if (!silent)
  1925. printk(KERN_ERR PFX "fw sync timeout, reset code = "
  1926. "%x\n", msg_data);
  1927. msg_data &= ~BNX2_DRV_MSG_CODE;
  1928. msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
  1929. bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
  1930. return -EBUSY;
  1931. }
  1932. if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
  1933. return -EIO;
  1934. return 0;
  1935. }
  1936. static int
  1937. bnx2_init_5709_context(struct bnx2 *bp)
  1938. {
  1939. int i, ret = 0;
  1940. u32 val;
  1941. val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
  1942. val |= (BCM_PAGE_BITS - 8) << 16;
  1943. REG_WR(bp, BNX2_CTX_COMMAND, val);
  1944. for (i = 0; i < 10; i++) {
  1945. val = REG_RD(bp, BNX2_CTX_COMMAND);
  1946. if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
  1947. break;
  1948. udelay(2);
  1949. }
  1950. if (val & BNX2_CTX_COMMAND_MEM_INIT)
  1951. return -EBUSY;
  1952. for (i = 0; i < bp->ctx_pages; i++) {
  1953. int j;
  1954. if (bp->ctx_blk[i])
  1955. memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
  1956. else
  1957. return -ENOMEM;
  1958. REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
  1959. (bp->ctx_blk_mapping[i] & 0xffffffff) |
  1960. BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
  1961. REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
  1962. (u64) bp->ctx_blk_mapping[i] >> 32);
  1963. REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
  1964. BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
  1965. for (j = 0; j < 10; j++) {
  1966. val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
  1967. if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
  1968. break;
  1969. udelay(5);
  1970. }
  1971. if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
  1972. ret = -EBUSY;
  1973. break;
  1974. }
  1975. }
  1976. return ret;
  1977. }
  1978. static void
  1979. bnx2_init_context(struct bnx2 *bp)
  1980. {
  1981. u32 vcid;
  1982. vcid = 96;
  1983. while (vcid) {
  1984. u32 vcid_addr, pcid_addr, offset;
  1985. int i;
  1986. vcid--;
  1987. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  1988. u32 new_vcid;
  1989. vcid_addr = GET_PCID_ADDR(vcid);
  1990. if (vcid & 0x8) {
  1991. new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
  1992. }
  1993. else {
  1994. new_vcid = vcid;
  1995. }
  1996. pcid_addr = GET_PCID_ADDR(new_vcid);
  1997. }
  1998. else {
  1999. vcid_addr = GET_CID_ADDR(vcid);
  2000. pcid_addr = vcid_addr;
  2001. }
  2002. for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
  2003. vcid_addr += (i << PHY_CTX_SHIFT);
  2004. pcid_addr += (i << PHY_CTX_SHIFT);
  2005. REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
  2006. REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
  2007. /* Zero out the context. */
  2008. for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
  2009. bnx2_ctx_wr(bp, vcid_addr, offset, 0);
  2010. }
  2011. }
  2012. }
  2013. static int
  2014. bnx2_alloc_bad_rbuf(struct bnx2 *bp)
  2015. {
  2016. u16 *good_mbuf;
  2017. u32 good_mbuf_cnt;
  2018. u32 val;
  2019. good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
  2020. if (good_mbuf == NULL) {
  2021. printk(KERN_ERR PFX "Failed to allocate memory in "
  2022. "bnx2_alloc_bad_rbuf\n");
  2023. return -ENOMEM;
  2024. }
  2025. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  2026. BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
  2027. good_mbuf_cnt = 0;
  2028. /* Allocate a bunch of mbufs and save the good ones in an array. */
  2029. val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
  2030. while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
  2031. bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
  2032. BNX2_RBUF_COMMAND_ALLOC_REQ);
  2033. val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
  2034. val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
  2035. /* The addresses with Bit 9 set are bad memory blocks. */
  2036. if (!(val & (1 << 9))) {
  2037. good_mbuf[good_mbuf_cnt] = (u16) val;
  2038. good_mbuf_cnt++;
  2039. }
  2040. val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
  2041. }
  2042. /* Free the good ones back to the mbuf pool thus discarding
  2043. * all the bad ones. */
  2044. while (good_mbuf_cnt) {
  2045. good_mbuf_cnt--;
  2046. val = good_mbuf[good_mbuf_cnt];
  2047. val = (val << 9) | val | 1;
  2048. bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
  2049. }
  2050. kfree(good_mbuf);
  2051. return 0;
  2052. }
  2053. static void
  2054. bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
  2055. {
  2056. u32 val;
  2057. val = (mac_addr[0] << 8) | mac_addr[1];
  2058. REG_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
  2059. val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
  2060. (mac_addr[4] << 8) | mac_addr[5];
  2061. REG_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
  2062. }
  2063. static inline int
  2064. bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
  2065. {
  2066. dma_addr_t mapping;
  2067. struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
  2068. struct rx_bd *rxbd =
  2069. &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
  2070. struct page *page = alloc_page(GFP_ATOMIC);
  2071. if (!page)
  2072. return -ENOMEM;
  2073. mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
  2074. PCI_DMA_FROMDEVICE);
  2075. rx_pg->page = page;
  2076. pci_unmap_addr_set(rx_pg, mapping, mapping);
  2077. rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
  2078. rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  2079. return 0;
  2080. }
  2081. static void
  2082. bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
  2083. {
  2084. struct sw_pg *rx_pg = &rxr->rx_pg_ring[index];
  2085. struct page *page = rx_pg->page;
  2086. if (!page)
  2087. return;
  2088. pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
  2089. PCI_DMA_FROMDEVICE);
  2090. __free_page(page);
  2091. rx_pg->page = NULL;
  2092. }
  2093. static inline int
  2094. bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
  2095. {
  2096. struct sk_buff *skb;
  2097. struct sw_bd *rx_buf = &rxr->rx_buf_ring[index];
  2098. dma_addr_t mapping;
  2099. struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
  2100. unsigned long align;
  2101. skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
  2102. if (skb == NULL) {
  2103. return -ENOMEM;
  2104. }
  2105. if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
  2106. skb_reserve(skb, BNX2_RX_ALIGN - align);
  2107. mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
  2108. PCI_DMA_FROMDEVICE);
  2109. rx_buf->skb = skb;
  2110. pci_unmap_addr_set(rx_buf, mapping, mapping);
  2111. rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
  2112. rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  2113. rxr->rx_prod_bseq += bp->rx_buf_use_size;
  2114. return 0;
  2115. }
  2116. static int
  2117. bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
  2118. {
  2119. struct status_block *sblk = bnapi->status_blk.msi;
  2120. u32 new_link_state, old_link_state;
  2121. int is_set = 1;
  2122. new_link_state = sblk->status_attn_bits & event;
  2123. old_link_state = sblk->status_attn_bits_ack & event;
  2124. if (new_link_state != old_link_state) {
  2125. if (new_link_state)
  2126. REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
  2127. else
  2128. REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
  2129. } else
  2130. is_set = 0;
  2131. return is_set;
  2132. }
  2133. static void
  2134. bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
  2135. {
  2136. spin_lock(&bp->phy_lock);
  2137. if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
  2138. bnx2_set_link(bp);
  2139. if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
  2140. bnx2_set_remote_link(bp);
  2141. spin_unlock(&bp->phy_lock);
  2142. }
  2143. static inline u16
  2144. bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
  2145. {
  2146. u16 cons;
  2147. /* Tell compiler that status block fields can change. */
  2148. barrier();
  2149. cons = *bnapi->hw_tx_cons_ptr;
  2150. if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
  2151. cons++;
  2152. return cons;
  2153. }
  2154. static int
  2155. bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
  2156. {
  2157. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  2158. u16 hw_cons, sw_cons, sw_ring_cons;
  2159. int tx_pkt = 0, index;
  2160. struct netdev_queue *txq;
  2161. index = (bnapi - bp->bnx2_napi);
  2162. txq = netdev_get_tx_queue(bp->dev, index);
  2163. hw_cons = bnx2_get_hw_tx_cons(bnapi);
  2164. sw_cons = txr->tx_cons;
  2165. while (sw_cons != hw_cons) {
  2166. struct sw_bd *tx_buf;
  2167. struct sk_buff *skb;
  2168. int i, last;
  2169. sw_ring_cons = TX_RING_IDX(sw_cons);
  2170. tx_buf = &txr->tx_buf_ring[sw_ring_cons];
  2171. skb = tx_buf->skb;
  2172. /* partial BD completions possible with TSO packets */
  2173. if (skb_is_gso(skb)) {
  2174. u16 last_idx, last_ring_idx;
  2175. last_idx = sw_cons +
  2176. skb_shinfo(skb)->nr_frags + 1;
  2177. last_ring_idx = sw_ring_cons +
  2178. skb_shinfo(skb)->nr_frags + 1;
  2179. if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
  2180. last_idx++;
  2181. }
  2182. if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
  2183. break;
  2184. }
  2185. }
  2186. pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
  2187. skb_headlen(skb), PCI_DMA_TODEVICE);
  2188. tx_buf->skb = NULL;
  2189. last = skb_shinfo(skb)->nr_frags;
  2190. for (i = 0; i < last; i++) {
  2191. sw_cons = NEXT_TX_BD(sw_cons);
  2192. pci_unmap_page(bp->pdev,
  2193. pci_unmap_addr(
  2194. &txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
  2195. mapping),
  2196. skb_shinfo(skb)->frags[i].size,
  2197. PCI_DMA_TODEVICE);
  2198. }
  2199. sw_cons = NEXT_TX_BD(sw_cons);
  2200. dev_kfree_skb(skb);
  2201. tx_pkt++;
  2202. if (tx_pkt == budget)
  2203. break;
  2204. hw_cons = bnx2_get_hw_tx_cons(bnapi);
  2205. }
  2206. txr->hw_tx_cons = hw_cons;
  2207. txr->tx_cons = sw_cons;
  2208. /* Need to make the tx_cons update visible to bnx2_start_xmit()
  2209. * before checking for netif_tx_queue_stopped(). Without the
  2210. * memory barrier, there is a small possibility that bnx2_start_xmit()
  2211. * will miss it and cause the queue to be stopped forever.
  2212. */
  2213. smp_mb();
  2214. if (unlikely(netif_tx_queue_stopped(txq)) &&
  2215. (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
  2216. __netif_tx_lock(txq, smp_processor_id());
  2217. if ((netif_tx_queue_stopped(txq)) &&
  2218. (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
  2219. netif_tx_wake_queue(txq);
  2220. __netif_tx_unlock(txq);
  2221. }
  2222. return tx_pkt;
  2223. }
  2224. static void
  2225. bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
  2226. struct sk_buff *skb, int count)
  2227. {
  2228. struct sw_pg *cons_rx_pg, *prod_rx_pg;
  2229. struct rx_bd *cons_bd, *prod_bd;
  2230. dma_addr_t mapping;
  2231. int i;
  2232. u16 hw_prod = rxr->rx_pg_prod, prod;
  2233. u16 cons = rxr->rx_pg_cons;
  2234. for (i = 0; i < count; i++) {
  2235. prod = RX_PG_RING_IDX(hw_prod);
  2236. prod_rx_pg = &rxr->rx_pg_ring[prod];
  2237. cons_rx_pg = &rxr->rx_pg_ring[cons];
  2238. cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
  2239. prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
  2240. if (i == 0 && skb) {
  2241. struct page *page;
  2242. struct skb_shared_info *shinfo;
  2243. shinfo = skb_shinfo(skb);
  2244. shinfo->nr_frags--;
  2245. page = shinfo->frags[shinfo->nr_frags].page;
  2246. shinfo->frags[shinfo->nr_frags].page = NULL;
  2247. mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
  2248. PCI_DMA_FROMDEVICE);
  2249. cons_rx_pg->page = page;
  2250. pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
  2251. dev_kfree_skb(skb);
  2252. }
  2253. if (prod != cons) {
  2254. prod_rx_pg->page = cons_rx_pg->page;
  2255. cons_rx_pg->page = NULL;
  2256. pci_unmap_addr_set(prod_rx_pg, mapping,
  2257. pci_unmap_addr(cons_rx_pg, mapping));
  2258. prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
  2259. prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
  2260. }
  2261. cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
  2262. hw_prod = NEXT_RX_BD(hw_prod);
  2263. }
  2264. rxr->rx_pg_prod = hw_prod;
  2265. rxr->rx_pg_cons = cons;
  2266. }
  2267. static inline void
  2268. bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
  2269. struct sk_buff *skb, u16 cons, u16 prod)
  2270. {
  2271. struct sw_bd *cons_rx_buf, *prod_rx_buf;
  2272. struct rx_bd *cons_bd, *prod_bd;
  2273. cons_rx_buf = &rxr->rx_buf_ring[cons];
  2274. prod_rx_buf = &rxr->rx_buf_ring[prod];
  2275. pci_dma_sync_single_for_device(bp->pdev,
  2276. pci_unmap_addr(cons_rx_buf, mapping),
  2277. BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
  2278. rxr->rx_prod_bseq += bp->rx_buf_use_size;
  2279. prod_rx_buf->skb = skb;
  2280. if (cons == prod)
  2281. return;
  2282. pci_unmap_addr_set(prod_rx_buf, mapping,
  2283. pci_unmap_addr(cons_rx_buf, mapping));
  2284. cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
  2285. prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
  2286. prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
  2287. prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
  2288. }
  2289. static int
  2290. bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb,
  2291. unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
  2292. u32 ring_idx)
  2293. {
  2294. int err;
  2295. u16 prod = ring_idx & 0xffff;
  2296. err = bnx2_alloc_rx_skb(bp, rxr, prod);
  2297. if (unlikely(err)) {
  2298. bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod);
  2299. if (hdr_len) {
  2300. unsigned int raw_len = len + 4;
  2301. int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
  2302. bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
  2303. }
  2304. return err;
  2305. }
  2306. skb_reserve(skb, BNX2_RX_OFFSET);
  2307. pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
  2308. PCI_DMA_FROMDEVICE);
  2309. if (hdr_len == 0) {
  2310. skb_put(skb, len);
  2311. return 0;
  2312. } else {
  2313. unsigned int i, frag_len, frag_size, pages;
  2314. struct sw_pg *rx_pg;
  2315. u16 pg_cons = rxr->rx_pg_cons;
  2316. u16 pg_prod = rxr->rx_pg_prod;
  2317. frag_size = len + 4 - hdr_len;
  2318. pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
  2319. skb_put(skb, hdr_len);
  2320. for (i = 0; i < pages; i++) {
  2321. frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
  2322. if (unlikely(frag_len <= 4)) {
  2323. unsigned int tail = 4 - frag_len;
  2324. rxr->rx_pg_cons = pg_cons;
  2325. rxr->rx_pg_prod = pg_prod;
  2326. bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
  2327. pages - i);
  2328. skb->len -= tail;
  2329. if (i == 0) {
  2330. skb->tail -= tail;
  2331. } else {
  2332. skb_frag_t *frag =
  2333. &skb_shinfo(skb)->frags[i - 1];
  2334. frag->size -= tail;
  2335. skb->data_len -= tail;
  2336. skb->truesize -= tail;
  2337. }
  2338. return 0;
  2339. }
  2340. rx_pg = &rxr->rx_pg_ring[pg_cons];
  2341. pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
  2342. PAGE_SIZE, PCI_DMA_FROMDEVICE);
  2343. if (i == pages - 1)
  2344. frag_len -= 4;
  2345. skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
  2346. rx_pg->page = NULL;
  2347. err = bnx2_alloc_rx_page(bp, rxr,
  2348. RX_PG_RING_IDX(pg_prod));
  2349. if (unlikely(err)) {
  2350. rxr->rx_pg_cons = pg_cons;
  2351. rxr->rx_pg_prod = pg_prod;
  2352. bnx2_reuse_rx_skb_pages(bp, rxr, skb,
  2353. pages - i);
  2354. return err;
  2355. }
  2356. frag_size -= frag_len;
  2357. skb->data_len += frag_len;
  2358. skb->truesize += frag_len;
  2359. skb->len += frag_len;
  2360. pg_prod = NEXT_RX_BD(pg_prod);
  2361. pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
  2362. }
  2363. rxr->rx_pg_prod = pg_prod;
  2364. rxr->rx_pg_cons = pg_cons;
  2365. }
  2366. return 0;
  2367. }
  2368. static inline u16
  2369. bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
  2370. {
  2371. u16 cons;
  2372. /* Tell compiler that status block fields can change. */
  2373. barrier();
  2374. cons = *bnapi->hw_rx_cons_ptr;
  2375. if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
  2376. cons++;
  2377. return cons;
  2378. }
  2379. static int
  2380. bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
  2381. {
  2382. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  2383. u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
  2384. struct l2_fhdr *rx_hdr;
  2385. int rx_pkt = 0, pg_ring_used = 0;
  2386. hw_cons = bnx2_get_hw_rx_cons(bnapi);
  2387. sw_cons = rxr->rx_cons;
  2388. sw_prod = rxr->rx_prod;
  2389. /* Memory barrier necessary as speculative reads of the rx
  2390. * buffer can be ahead of the index in the status block
  2391. */
  2392. rmb();
  2393. while (sw_cons != hw_cons) {
  2394. unsigned int len, hdr_len;
  2395. u32 status;
  2396. struct sw_bd *rx_buf;
  2397. struct sk_buff *skb;
  2398. dma_addr_t dma_addr;
  2399. sw_ring_cons = RX_RING_IDX(sw_cons);
  2400. sw_ring_prod = RX_RING_IDX(sw_prod);
  2401. rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
  2402. skb = rx_buf->skb;
  2403. rx_buf->skb = NULL;
  2404. dma_addr = pci_unmap_addr(rx_buf, mapping);
  2405. pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
  2406. BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
  2407. PCI_DMA_FROMDEVICE);
  2408. rx_hdr = (struct l2_fhdr *) skb->data;
  2409. len = rx_hdr->l2_fhdr_pkt_len;
  2410. if ((status = rx_hdr->l2_fhdr_status) &
  2411. (L2_FHDR_ERRORS_BAD_CRC |
  2412. L2_FHDR_ERRORS_PHY_DECODE |
  2413. L2_FHDR_ERRORS_ALIGNMENT |
  2414. L2_FHDR_ERRORS_TOO_SHORT |
  2415. L2_FHDR_ERRORS_GIANT_FRAME)) {
  2416. bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
  2417. sw_ring_prod);
  2418. goto next_rx;
  2419. }
  2420. hdr_len = 0;
  2421. if (status & L2_FHDR_STATUS_SPLIT) {
  2422. hdr_len = rx_hdr->l2_fhdr_ip_xsum;
  2423. pg_ring_used = 1;
  2424. } else if (len > bp->rx_jumbo_thresh) {
  2425. hdr_len = bp->rx_jumbo_thresh;
  2426. pg_ring_used = 1;
  2427. }
  2428. len -= 4;
  2429. if (len <= bp->rx_copy_thresh) {
  2430. struct sk_buff *new_skb;
  2431. new_skb = netdev_alloc_skb(bp->dev, len + 2);
  2432. if (new_skb == NULL) {
  2433. bnx2_reuse_rx_skb(bp, rxr, skb, sw_ring_cons,
  2434. sw_ring_prod);
  2435. goto next_rx;
  2436. }
  2437. /* aligned copy */
  2438. skb_copy_from_linear_data_offset(skb,
  2439. BNX2_RX_OFFSET - 2,
  2440. new_skb->data, len + 2);
  2441. skb_reserve(new_skb, 2);
  2442. skb_put(new_skb, len);
  2443. bnx2_reuse_rx_skb(bp, rxr, skb,
  2444. sw_ring_cons, sw_ring_prod);
  2445. skb = new_skb;
  2446. } else if (unlikely(bnx2_rx_skb(bp, rxr, skb, len, hdr_len,
  2447. dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
  2448. goto next_rx;
  2449. skb->protocol = eth_type_trans(skb, bp->dev);
  2450. if ((len > (bp->dev->mtu + ETH_HLEN)) &&
  2451. (ntohs(skb->protocol) != 0x8100)) {
  2452. dev_kfree_skb(skb);
  2453. goto next_rx;
  2454. }
  2455. skb->ip_summed = CHECKSUM_NONE;
  2456. if (bp->rx_csum &&
  2457. (status & (L2_FHDR_STATUS_TCP_SEGMENT |
  2458. L2_FHDR_STATUS_UDP_DATAGRAM))) {
  2459. if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
  2460. L2_FHDR_ERRORS_UDP_XSUM)) == 0))
  2461. skb->ip_summed = CHECKSUM_UNNECESSARY;
  2462. }
  2463. #ifdef BCM_VLAN
  2464. if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
  2465. vlan_hwaccel_receive_skb(skb, bp->vlgrp,
  2466. rx_hdr->l2_fhdr_vlan_tag);
  2467. }
  2468. else
  2469. #endif
  2470. netif_receive_skb(skb);
  2471. bp->dev->last_rx = jiffies;
  2472. rx_pkt++;
  2473. next_rx:
  2474. sw_cons = NEXT_RX_BD(sw_cons);
  2475. sw_prod = NEXT_RX_BD(sw_prod);
  2476. if ((rx_pkt == budget))
  2477. break;
  2478. /* Refresh hw_cons to see if there is new work */
  2479. if (sw_cons == hw_cons) {
  2480. hw_cons = bnx2_get_hw_rx_cons(bnapi);
  2481. rmb();
  2482. }
  2483. }
  2484. rxr->rx_cons = sw_cons;
  2485. rxr->rx_prod = sw_prod;
  2486. if (pg_ring_used)
  2487. REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
  2488. REG_WR16(bp, rxr->rx_bidx_addr, sw_prod);
  2489. REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
  2490. mmiowb();
  2491. return rx_pkt;
  2492. }
  2493. /* MSI ISR - The only difference between this and the INTx ISR
  2494. * is that the MSI interrupt is always serviced.
  2495. */
  2496. static irqreturn_t
  2497. bnx2_msi(int irq, void *dev_instance)
  2498. {
  2499. struct bnx2_napi *bnapi = dev_instance;
  2500. struct bnx2 *bp = bnapi->bp;
  2501. struct net_device *dev = bp->dev;
  2502. prefetch(bnapi->status_blk.msi);
  2503. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2504. BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
  2505. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  2506. /* Return here if interrupt is disabled. */
  2507. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2508. return IRQ_HANDLED;
  2509. netif_rx_schedule(dev, &bnapi->napi);
  2510. return IRQ_HANDLED;
  2511. }
  2512. static irqreturn_t
  2513. bnx2_msi_1shot(int irq, void *dev_instance)
  2514. {
  2515. struct bnx2_napi *bnapi = dev_instance;
  2516. struct bnx2 *bp = bnapi->bp;
  2517. struct net_device *dev = bp->dev;
  2518. prefetch(bnapi->status_blk.msi);
  2519. /* Return here if interrupt is disabled. */
  2520. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2521. return IRQ_HANDLED;
  2522. netif_rx_schedule(dev, &bnapi->napi);
  2523. return IRQ_HANDLED;
  2524. }
  2525. static irqreturn_t
  2526. bnx2_interrupt(int irq, void *dev_instance)
  2527. {
  2528. struct bnx2_napi *bnapi = dev_instance;
  2529. struct bnx2 *bp = bnapi->bp;
  2530. struct net_device *dev = bp->dev;
  2531. struct status_block *sblk = bnapi->status_blk.msi;
  2532. /* When using INTx, it is possible for the interrupt to arrive
  2533. * at the CPU before the status block posted prior to the
  2534. * interrupt. Reading a register will flush the status block.
  2535. * When using MSI, the MSI message will always complete after
  2536. * the status block write.
  2537. */
  2538. if ((sblk->status_idx == bnapi->last_status_idx) &&
  2539. (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
  2540. BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
  2541. return IRQ_NONE;
  2542. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2543. BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
  2544. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  2545. /* Read back to deassert IRQ immediately to avoid too many
  2546. * spurious interrupts.
  2547. */
  2548. REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
  2549. /* Return here if interrupt is shared and is disabled. */
  2550. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2551. return IRQ_HANDLED;
  2552. if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
  2553. bnapi->last_status_idx = sblk->status_idx;
  2554. __netif_rx_schedule(dev, &bnapi->napi);
  2555. }
  2556. return IRQ_HANDLED;
  2557. }
  2558. static inline int
  2559. bnx2_has_fast_work(struct bnx2_napi *bnapi)
  2560. {
  2561. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  2562. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  2563. if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
  2564. (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
  2565. return 1;
  2566. return 0;
  2567. }
  2568. #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
  2569. STATUS_ATTN_BITS_TIMER_ABORT)
  2570. static inline int
  2571. bnx2_has_work(struct bnx2_napi *bnapi)
  2572. {
  2573. struct status_block *sblk = bnapi->status_blk.msi;
  2574. if (bnx2_has_fast_work(bnapi))
  2575. return 1;
  2576. if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
  2577. (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
  2578. return 1;
  2579. return 0;
  2580. }
  2581. static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
  2582. {
  2583. struct status_block *sblk = bnapi->status_blk.msi;
  2584. u32 status_attn_bits = sblk->status_attn_bits;
  2585. u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
  2586. if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
  2587. (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
  2588. bnx2_phy_int(bp, bnapi);
  2589. /* This is needed to take care of transient status
  2590. * during link changes.
  2591. */
  2592. REG_WR(bp, BNX2_HC_COMMAND,
  2593. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  2594. REG_RD(bp, BNX2_HC_COMMAND);
  2595. }
  2596. }
  2597. static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
  2598. int work_done, int budget)
  2599. {
  2600. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  2601. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  2602. if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
  2603. bnx2_tx_int(bp, bnapi, 0);
  2604. if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
  2605. work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
  2606. return work_done;
  2607. }
  2608. static int bnx2_poll_msix(struct napi_struct *napi, int budget)
  2609. {
  2610. struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
  2611. struct bnx2 *bp = bnapi->bp;
  2612. int work_done = 0;
  2613. struct status_block_msix *sblk = bnapi->status_blk.msix;
  2614. while (1) {
  2615. work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
  2616. if (unlikely(work_done >= budget))
  2617. break;
  2618. bnapi->last_status_idx = sblk->status_idx;
  2619. /* status idx must be read before checking for more work. */
  2620. rmb();
  2621. if (likely(!bnx2_has_fast_work(bnapi))) {
  2622. netif_rx_complete(bp->dev, napi);
  2623. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  2624. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2625. bnapi->last_status_idx);
  2626. break;
  2627. }
  2628. }
  2629. return work_done;
  2630. }
  2631. static int bnx2_poll(struct napi_struct *napi, int budget)
  2632. {
  2633. struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
  2634. struct bnx2 *bp = bnapi->bp;
  2635. int work_done = 0;
  2636. struct status_block *sblk = bnapi->status_blk.msi;
  2637. while (1) {
  2638. bnx2_poll_link(bp, bnapi);
  2639. work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
  2640. if (unlikely(work_done >= budget))
  2641. break;
  2642. /* bnapi->last_status_idx is used below to tell the hw how
  2643. * much work has been processed, so we must read it before
  2644. * checking for more work.
  2645. */
  2646. bnapi->last_status_idx = sblk->status_idx;
  2647. rmb();
  2648. if (likely(!bnx2_has_work(bnapi))) {
  2649. netif_rx_complete(bp->dev, napi);
  2650. if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
  2651. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2652. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2653. bnapi->last_status_idx);
  2654. break;
  2655. }
  2656. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2657. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2658. BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
  2659. bnapi->last_status_idx);
  2660. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2661. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2662. bnapi->last_status_idx);
  2663. break;
  2664. }
  2665. }
  2666. return work_done;
  2667. }
  2668. /* Called with rtnl_lock from vlan functions and also netif_tx_lock
  2669. * from set_multicast.
  2670. */
  2671. static void
  2672. bnx2_set_rx_mode(struct net_device *dev)
  2673. {
  2674. struct bnx2 *bp = netdev_priv(dev);
  2675. u32 rx_mode, sort_mode;
  2676. struct dev_addr_list *uc_ptr;
  2677. int i;
  2678. spin_lock_bh(&bp->phy_lock);
  2679. rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
  2680. BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
  2681. sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
  2682. #ifdef BCM_VLAN
  2683. if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
  2684. rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
  2685. #else
  2686. if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
  2687. rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
  2688. #endif
  2689. if (dev->flags & IFF_PROMISC) {
  2690. /* Promiscuous mode. */
  2691. rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
  2692. sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
  2693. BNX2_RPM_SORT_USER0_PROM_VLAN;
  2694. }
  2695. else if (dev->flags & IFF_ALLMULTI) {
  2696. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  2697. REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  2698. 0xffffffff);
  2699. }
  2700. sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
  2701. }
  2702. else {
  2703. /* Accept one or more multicast(s). */
  2704. struct dev_mc_list *mclist;
  2705. u32 mc_filter[NUM_MC_HASH_REGISTERS];
  2706. u32 regidx;
  2707. u32 bit;
  2708. u32 crc;
  2709. memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
  2710. for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
  2711. i++, mclist = mclist->next) {
  2712. crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
  2713. bit = crc & 0xff;
  2714. regidx = (bit & 0xe0) >> 5;
  2715. bit &= 0x1f;
  2716. mc_filter[regidx] |= (1 << bit);
  2717. }
  2718. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  2719. REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  2720. mc_filter[i]);
  2721. }
  2722. sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
  2723. }
  2724. uc_ptr = NULL;
  2725. if (dev->uc_count > BNX2_MAX_UNICAST_ADDRESSES) {
  2726. rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
  2727. sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
  2728. BNX2_RPM_SORT_USER0_PROM_VLAN;
  2729. } else if (!(dev->flags & IFF_PROMISC)) {
  2730. uc_ptr = dev->uc_list;
  2731. /* Add all entries into to the match filter list */
  2732. for (i = 0; i < dev->uc_count; i++) {
  2733. bnx2_set_mac_addr(bp, uc_ptr->da_addr,
  2734. i + BNX2_START_UNICAST_ADDRESS_INDEX);
  2735. sort_mode |= (1 <<
  2736. (i + BNX2_START_UNICAST_ADDRESS_INDEX));
  2737. uc_ptr = uc_ptr->next;
  2738. }
  2739. }
  2740. if (rx_mode != bp->rx_mode) {
  2741. bp->rx_mode = rx_mode;
  2742. REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
  2743. }
  2744. REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
  2745. REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
  2746. REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
  2747. spin_unlock_bh(&bp->phy_lock);
  2748. }
  2749. static void
  2750. load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
  2751. u32 rv2p_proc)
  2752. {
  2753. int i;
  2754. u32 val;
  2755. if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
  2756. val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
  2757. val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
  2758. val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
  2759. rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
  2760. }
  2761. for (i = 0; i < rv2p_code_len; i += 8) {
  2762. REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
  2763. rv2p_code++;
  2764. REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
  2765. rv2p_code++;
  2766. if (rv2p_proc == RV2P_PROC1) {
  2767. val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
  2768. REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
  2769. }
  2770. else {
  2771. val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
  2772. REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
  2773. }
  2774. }
  2775. /* Reset the processor, un-stall is done later. */
  2776. if (rv2p_proc == RV2P_PROC1) {
  2777. REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
  2778. }
  2779. else {
  2780. REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
  2781. }
  2782. }
  2783. static int
  2784. load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg, struct fw_info *fw)
  2785. {
  2786. u32 offset;
  2787. u32 val;
  2788. int rc;
  2789. /* Halt the CPU. */
  2790. val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
  2791. val |= cpu_reg->mode_value_halt;
  2792. bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
  2793. bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
  2794. /* Load the Text area. */
  2795. offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
  2796. if (fw->gz_text) {
  2797. int j;
  2798. rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
  2799. fw->gz_text_len);
  2800. if (rc < 0)
  2801. return rc;
  2802. for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
  2803. bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
  2804. }
  2805. }
  2806. /* Load the Data area. */
  2807. offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
  2808. if (fw->data) {
  2809. int j;
  2810. for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
  2811. bnx2_reg_wr_ind(bp, offset, fw->data[j]);
  2812. }
  2813. }
  2814. /* Load the SBSS area. */
  2815. offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
  2816. if (fw->sbss_len) {
  2817. int j;
  2818. for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
  2819. bnx2_reg_wr_ind(bp, offset, 0);
  2820. }
  2821. }
  2822. /* Load the BSS area. */
  2823. offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
  2824. if (fw->bss_len) {
  2825. int j;
  2826. for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
  2827. bnx2_reg_wr_ind(bp, offset, 0);
  2828. }
  2829. }
  2830. /* Load the Read-Only area. */
  2831. offset = cpu_reg->spad_base +
  2832. (fw->rodata_addr - cpu_reg->mips_view_base);
  2833. if (fw->rodata) {
  2834. int j;
  2835. for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
  2836. bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
  2837. }
  2838. }
  2839. /* Clear the pre-fetch instruction. */
  2840. bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
  2841. bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
  2842. /* Start the CPU. */
  2843. val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
  2844. val &= ~cpu_reg->mode_value_halt;
  2845. bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
  2846. bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
  2847. return 0;
  2848. }
  2849. static int
  2850. bnx2_init_cpus(struct bnx2 *bp)
  2851. {
  2852. struct fw_info *fw;
  2853. int rc, rv2p_len;
  2854. void *text, *rv2p;
  2855. /* Initialize the RV2P processor. */
  2856. text = vmalloc(FW_BUF_SIZE);
  2857. if (!text)
  2858. return -ENOMEM;
  2859. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  2860. rv2p = bnx2_xi_rv2p_proc1;
  2861. rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
  2862. } else {
  2863. rv2p = bnx2_rv2p_proc1;
  2864. rv2p_len = sizeof(bnx2_rv2p_proc1);
  2865. }
  2866. rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
  2867. if (rc < 0)
  2868. goto init_cpu_err;
  2869. load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
  2870. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  2871. rv2p = bnx2_xi_rv2p_proc2;
  2872. rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
  2873. } else {
  2874. rv2p = bnx2_rv2p_proc2;
  2875. rv2p_len = sizeof(bnx2_rv2p_proc2);
  2876. }
  2877. rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
  2878. if (rc < 0)
  2879. goto init_cpu_err;
  2880. load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
  2881. /* Initialize the RX Processor. */
  2882. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2883. fw = &bnx2_rxp_fw_09;
  2884. else
  2885. fw = &bnx2_rxp_fw_06;
  2886. fw->text = text;
  2887. rc = load_cpu_fw(bp, &cpu_reg_rxp, fw);
  2888. if (rc)
  2889. goto init_cpu_err;
  2890. /* Initialize the TX Processor. */
  2891. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2892. fw = &bnx2_txp_fw_09;
  2893. else
  2894. fw = &bnx2_txp_fw_06;
  2895. fw->text = text;
  2896. rc = load_cpu_fw(bp, &cpu_reg_txp, fw);
  2897. if (rc)
  2898. goto init_cpu_err;
  2899. /* Initialize the TX Patch-up Processor. */
  2900. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2901. fw = &bnx2_tpat_fw_09;
  2902. else
  2903. fw = &bnx2_tpat_fw_06;
  2904. fw->text = text;
  2905. rc = load_cpu_fw(bp, &cpu_reg_tpat, fw);
  2906. if (rc)
  2907. goto init_cpu_err;
  2908. /* Initialize the Completion Processor. */
  2909. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2910. fw = &bnx2_com_fw_09;
  2911. else
  2912. fw = &bnx2_com_fw_06;
  2913. fw->text = text;
  2914. rc = load_cpu_fw(bp, &cpu_reg_com, fw);
  2915. if (rc)
  2916. goto init_cpu_err;
  2917. /* Initialize the Command Processor. */
  2918. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2919. fw = &bnx2_cp_fw_09;
  2920. else
  2921. fw = &bnx2_cp_fw_06;
  2922. fw->text = text;
  2923. rc = load_cpu_fw(bp, &cpu_reg_cp, fw);
  2924. init_cpu_err:
  2925. vfree(text);
  2926. return rc;
  2927. }
  2928. static int
  2929. bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
  2930. {
  2931. u16 pmcsr;
  2932. pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
  2933. switch (state) {
  2934. case PCI_D0: {
  2935. u32 val;
  2936. pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
  2937. (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
  2938. PCI_PM_CTRL_PME_STATUS);
  2939. if (pmcsr & PCI_PM_CTRL_STATE_MASK)
  2940. /* delay required during transition out of D3hot */
  2941. msleep(20);
  2942. val = REG_RD(bp, BNX2_EMAC_MODE);
  2943. val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
  2944. val &= ~BNX2_EMAC_MODE_MPKT;
  2945. REG_WR(bp, BNX2_EMAC_MODE, val);
  2946. val = REG_RD(bp, BNX2_RPM_CONFIG);
  2947. val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
  2948. REG_WR(bp, BNX2_RPM_CONFIG, val);
  2949. break;
  2950. }
  2951. case PCI_D3hot: {
  2952. int i;
  2953. u32 val, wol_msg;
  2954. if (bp->wol) {
  2955. u32 advertising;
  2956. u8 autoneg;
  2957. autoneg = bp->autoneg;
  2958. advertising = bp->advertising;
  2959. if (bp->phy_port == PORT_TP) {
  2960. bp->autoneg = AUTONEG_SPEED;
  2961. bp->advertising = ADVERTISED_10baseT_Half |
  2962. ADVERTISED_10baseT_Full |
  2963. ADVERTISED_100baseT_Half |
  2964. ADVERTISED_100baseT_Full |
  2965. ADVERTISED_Autoneg;
  2966. }
  2967. spin_lock_bh(&bp->phy_lock);
  2968. bnx2_setup_phy(bp, bp->phy_port);
  2969. spin_unlock_bh(&bp->phy_lock);
  2970. bp->autoneg = autoneg;
  2971. bp->advertising = advertising;
  2972. bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
  2973. val = REG_RD(bp, BNX2_EMAC_MODE);
  2974. /* Enable port mode. */
  2975. val &= ~BNX2_EMAC_MODE_PORT;
  2976. val |= BNX2_EMAC_MODE_MPKT_RCVD |
  2977. BNX2_EMAC_MODE_ACPI_RCVD |
  2978. BNX2_EMAC_MODE_MPKT;
  2979. if (bp->phy_port == PORT_TP)
  2980. val |= BNX2_EMAC_MODE_PORT_MII;
  2981. else {
  2982. val |= BNX2_EMAC_MODE_PORT_GMII;
  2983. if (bp->line_speed == SPEED_2500)
  2984. val |= BNX2_EMAC_MODE_25G_MODE;
  2985. }
  2986. REG_WR(bp, BNX2_EMAC_MODE, val);
  2987. /* receive all multicast */
  2988. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  2989. REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  2990. 0xffffffff);
  2991. }
  2992. REG_WR(bp, BNX2_EMAC_RX_MODE,
  2993. BNX2_EMAC_RX_MODE_SORT_MODE);
  2994. val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
  2995. BNX2_RPM_SORT_USER0_MC_EN;
  2996. REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
  2997. REG_WR(bp, BNX2_RPM_SORT_USER0, val);
  2998. REG_WR(bp, BNX2_RPM_SORT_USER0, val |
  2999. BNX2_RPM_SORT_USER0_ENA);
  3000. /* Need to enable EMAC and RPM for WOL. */
  3001. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  3002. BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
  3003. BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
  3004. BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
  3005. val = REG_RD(bp, BNX2_RPM_CONFIG);
  3006. val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
  3007. REG_WR(bp, BNX2_RPM_CONFIG, val);
  3008. wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  3009. }
  3010. else {
  3011. wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  3012. }
  3013. if (!(bp->flags & BNX2_FLAG_NO_WOL))
  3014. bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg,
  3015. 1, 0);
  3016. pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
  3017. if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
  3018. (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
  3019. if (bp->wol)
  3020. pmcsr |= 3;
  3021. }
  3022. else {
  3023. pmcsr |= 3;
  3024. }
  3025. if (bp->wol) {
  3026. pmcsr |= PCI_PM_CTRL_PME_ENABLE;
  3027. }
  3028. pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
  3029. pmcsr);
  3030. /* No more memory access after this point until
  3031. * device is brought back to D0.
  3032. */
  3033. udelay(50);
  3034. break;
  3035. }
  3036. default:
  3037. return -EINVAL;
  3038. }
  3039. return 0;
  3040. }
  3041. static int
  3042. bnx2_acquire_nvram_lock(struct bnx2 *bp)
  3043. {
  3044. u32 val;
  3045. int j;
  3046. /* Request access to the flash interface. */
  3047. REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
  3048. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3049. val = REG_RD(bp, BNX2_NVM_SW_ARB);
  3050. if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
  3051. break;
  3052. udelay(5);
  3053. }
  3054. if (j >= NVRAM_TIMEOUT_COUNT)
  3055. return -EBUSY;
  3056. return 0;
  3057. }
  3058. static int
  3059. bnx2_release_nvram_lock(struct bnx2 *bp)
  3060. {
  3061. int j;
  3062. u32 val;
  3063. /* Relinquish nvram interface. */
  3064. REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
  3065. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3066. val = REG_RD(bp, BNX2_NVM_SW_ARB);
  3067. if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
  3068. break;
  3069. udelay(5);
  3070. }
  3071. if (j >= NVRAM_TIMEOUT_COUNT)
  3072. return -EBUSY;
  3073. return 0;
  3074. }
  3075. static int
  3076. bnx2_enable_nvram_write(struct bnx2 *bp)
  3077. {
  3078. u32 val;
  3079. val = REG_RD(bp, BNX2_MISC_CFG);
  3080. REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
  3081. if (bp->flash_info->flags & BNX2_NV_WREN) {
  3082. int j;
  3083. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3084. REG_WR(bp, BNX2_NVM_COMMAND,
  3085. BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
  3086. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3087. udelay(5);
  3088. val = REG_RD(bp, BNX2_NVM_COMMAND);
  3089. if (val & BNX2_NVM_COMMAND_DONE)
  3090. break;
  3091. }
  3092. if (j >= NVRAM_TIMEOUT_COUNT)
  3093. return -EBUSY;
  3094. }
  3095. return 0;
  3096. }
  3097. static void
  3098. bnx2_disable_nvram_write(struct bnx2 *bp)
  3099. {
  3100. u32 val;
  3101. val = REG_RD(bp, BNX2_MISC_CFG);
  3102. REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
  3103. }
  3104. static void
  3105. bnx2_enable_nvram_access(struct bnx2 *bp)
  3106. {
  3107. u32 val;
  3108. val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
  3109. /* Enable both bits, even on read. */
  3110. REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
  3111. val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
  3112. }
  3113. static void
  3114. bnx2_disable_nvram_access(struct bnx2 *bp)
  3115. {
  3116. u32 val;
  3117. val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
  3118. /* Disable both bits, even after read. */
  3119. REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
  3120. val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
  3121. BNX2_NVM_ACCESS_ENABLE_WR_EN));
  3122. }
  3123. static int
  3124. bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
  3125. {
  3126. u32 cmd;
  3127. int j;
  3128. if (bp->flash_info->flags & BNX2_NV_BUFFERED)
  3129. /* Buffered flash, no erase needed */
  3130. return 0;
  3131. /* Build an erase command */
  3132. cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
  3133. BNX2_NVM_COMMAND_DOIT;
  3134. /* Need to clear DONE bit separately. */
  3135. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3136. /* Address of the NVRAM to read from. */
  3137. REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  3138. /* Issue an erase command. */
  3139. REG_WR(bp, BNX2_NVM_COMMAND, cmd);
  3140. /* Wait for completion. */
  3141. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3142. u32 val;
  3143. udelay(5);
  3144. val = REG_RD(bp, BNX2_NVM_COMMAND);
  3145. if (val & BNX2_NVM_COMMAND_DONE)
  3146. break;
  3147. }
  3148. if (j >= NVRAM_TIMEOUT_COUNT)
  3149. return -EBUSY;
  3150. return 0;
  3151. }
  3152. static int
  3153. bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
  3154. {
  3155. u32 cmd;
  3156. int j;
  3157. /* Build the command word. */
  3158. cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
  3159. /* Calculate an offset of a buffered flash, not needed for 5709. */
  3160. if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
  3161. offset = ((offset / bp->flash_info->page_size) <<
  3162. bp->flash_info->page_bits) +
  3163. (offset % bp->flash_info->page_size);
  3164. }
  3165. /* Need to clear DONE bit separately. */
  3166. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3167. /* Address of the NVRAM to read from. */
  3168. REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  3169. /* Issue a read command. */
  3170. REG_WR(bp, BNX2_NVM_COMMAND, cmd);
  3171. /* Wait for completion. */
  3172. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3173. u32 val;
  3174. udelay(5);
  3175. val = REG_RD(bp, BNX2_NVM_COMMAND);
  3176. if (val & BNX2_NVM_COMMAND_DONE) {
  3177. __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
  3178. memcpy(ret_val, &v, 4);
  3179. break;
  3180. }
  3181. }
  3182. if (j >= NVRAM_TIMEOUT_COUNT)
  3183. return -EBUSY;
  3184. return 0;
  3185. }
  3186. static int
  3187. bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
  3188. {
  3189. u32 cmd;
  3190. __be32 val32;
  3191. int j;
  3192. /* Build the command word. */
  3193. cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
  3194. /* Calculate an offset of a buffered flash, not needed for 5709. */
  3195. if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
  3196. offset = ((offset / bp->flash_info->page_size) <<
  3197. bp->flash_info->page_bits) +
  3198. (offset % bp->flash_info->page_size);
  3199. }
  3200. /* Need to clear DONE bit separately. */
  3201. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3202. memcpy(&val32, val, 4);
  3203. /* Write the data. */
  3204. REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
  3205. /* Address of the NVRAM to write to. */
  3206. REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  3207. /* Issue the write command. */
  3208. REG_WR(bp, BNX2_NVM_COMMAND, cmd);
  3209. /* Wait for completion. */
  3210. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3211. udelay(5);
  3212. if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
  3213. break;
  3214. }
  3215. if (j >= NVRAM_TIMEOUT_COUNT)
  3216. return -EBUSY;
  3217. return 0;
  3218. }
  3219. static int
  3220. bnx2_init_nvram(struct bnx2 *bp)
  3221. {
  3222. u32 val;
  3223. int j, entry_count, rc = 0;
  3224. struct flash_spec *flash;
  3225. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3226. bp->flash_info = &flash_5709;
  3227. goto get_flash_size;
  3228. }
  3229. /* Determine the selected interface. */
  3230. val = REG_RD(bp, BNX2_NVM_CFG1);
  3231. entry_count = ARRAY_SIZE(flash_table);
  3232. if (val & 0x40000000) {
  3233. /* Flash interface has been reconfigured */
  3234. for (j = 0, flash = &flash_table[0]; j < entry_count;
  3235. j++, flash++) {
  3236. if ((val & FLASH_BACKUP_STRAP_MASK) ==
  3237. (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
  3238. bp->flash_info = flash;
  3239. break;
  3240. }
  3241. }
  3242. }
  3243. else {
  3244. u32 mask;
  3245. /* Not yet been reconfigured */
  3246. if (val & (1 << 23))
  3247. mask = FLASH_BACKUP_STRAP_MASK;
  3248. else
  3249. mask = FLASH_STRAP_MASK;
  3250. for (j = 0, flash = &flash_table[0]; j < entry_count;
  3251. j++, flash++) {
  3252. if ((val & mask) == (flash->strapping & mask)) {
  3253. bp->flash_info = flash;
  3254. /* Request access to the flash interface. */
  3255. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3256. return rc;
  3257. /* Enable access to flash interface */
  3258. bnx2_enable_nvram_access(bp);
  3259. /* Reconfigure the flash interface */
  3260. REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
  3261. REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
  3262. REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
  3263. REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
  3264. /* Disable access to flash interface */
  3265. bnx2_disable_nvram_access(bp);
  3266. bnx2_release_nvram_lock(bp);
  3267. break;
  3268. }
  3269. }
  3270. } /* if (val & 0x40000000) */
  3271. if (j == entry_count) {
  3272. bp->flash_info = NULL;
  3273. printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
  3274. return -ENODEV;
  3275. }
  3276. get_flash_size:
  3277. val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
  3278. val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
  3279. if (val)
  3280. bp->flash_size = val;
  3281. else
  3282. bp->flash_size = bp->flash_info->total_size;
  3283. return rc;
  3284. }
  3285. static int
  3286. bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
  3287. int buf_size)
  3288. {
  3289. int rc = 0;
  3290. u32 cmd_flags, offset32, len32, extra;
  3291. if (buf_size == 0)
  3292. return 0;
  3293. /* Request access to the flash interface. */
  3294. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3295. return rc;
  3296. /* Enable access to flash interface */
  3297. bnx2_enable_nvram_access(bp);
  3298. len32 = buf_size;
  3299. offset32 = offset;
  3300. extra = 0;
  3301. cmd_flags = 0;
  3302. if (offset32 & 3) {
  3303. u8 buf[4];
  3304. u32 pre_len;
  3305. offset32 &= ~3;
  3306. pre_len = 4 - (offset & 3);
  3307. if (pre_len >= len32) {
  3308. pre_len = len32;
  3309. cmd_flags = BNX2_NVM_COMMAND_FIRST |
  3310. BNX2_NVM_COMMAND_LAST;
  3311. }
  3312. else {
  3313. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3314. }
  3315. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3316. if (rc)
  3317. return rc;
  3318. memcpy(ret_buf, buf + (offset & 3), pre_len);
  3319. offset32 += 4;
  3320. ret_buf += pre_len;
  3321. len32 -= pre_len;
  3322. }
  3323. if (len32 & 3) {
  3324. extra = 4 - (len32 & 3);
  3325. len32 = (len32 + 4) & ~3;
  3326. }
  3327. if (len32 == 4) {
  3328. u8 buf[4];
  3329. if (cmd_flags)
  3330. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3331. else
  3332. cmd_flags = BNX2_NVM_COMMAND_FIRST |
  3333. BNX2_NVM_COMMAND_LAST;
  3334. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3335. memcpy(ret_buf, buf, 4 - extra);
  3336. }
  3337. else if (len32 > 0) {
  3338. u8 buf[4];
  3339. /* Read the first word. */
  3340. if (cmd_flags)
  3341. cmd_flags = 0;
  3342. else
  3343. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3344. rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
  3345. /* Advance to the next dword. */
  3346. offset32 += 4;
  3347. ret_buf += 4;
  3348. len32 -= 4;
  3349. while (len32 > 4 && rc == 0) {
  3350. rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
  3351. /* Advance to the next dword. */
  3352. offset32 += 4;
  3353. ret_buf += 4;
  3354. len32 -= 4;
  3355. }
  3356. if (rc)
  3357. return rc;
  3358. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3359. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3360. memcpy(ret_buf, buf, 4 - extra);
  3361. }
  3362. /* Disable access to flash interface */
  3363. bnx2_disable_nvram_access(bp);
  3364. bnx2_release_nvram_lock(bp);
  3365. return rc;
  3366. }
  3367. static int
  3368. bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
  3369. int buf_size)
  3370. {
  3371. u32 written, offset32, len32;
  3372. u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
  3373. int rc = 0;
  3374. int align_start, align_end;
  3375. buf = data_buf;
  3376. offset32 = offset;
  3377. len32 = buf_size;
  3378. align_start = align_end = 0;
  3379. if ((align_start = (offset32 & 3))) {
  3380. offset32 &= ~3;
  3381. len32 += align_start;
  3382. if (len32 < 4)
  3383. len32 = 4;
  3384. if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
  3385. return rc;
  3386. }
  3387. if (len32 & 3) {
  3388. align_end = 4 - (len32 & 3);
  3389. len32 += align_end;
  3390. if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
  3391. return rc;
  3392. }
  3393. if (align_start || align_end) {
  3394. align_buf = kmalloc(len32, GFP_KERNEL);
  3395. if (align_buf == NULL)
  3396. return -ENOMEM;
  3397. if (align_start) {
  3398. memcpy(align_buf, start, 4);
  3399. }
  3400. if (align_end) {
  3401. memcpy(align_buf + len32 - 4, end, 4);
  3402. }
  3403. memcpy(align_buf + align_start, data_buf, buf_size);
  3404. buf = align_buf;
  3405. }
  3406. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3407. flash_buffer = kmalloc(264, GFP_KERNEL);
  3408. if (flash_buffer == NULL) {
  3409. rc = -ENOMEM;
  3410. goto nvram_write_end;
  3411. }
  3412. }
  3413. written = 0;
  3414. while ((written < len32) && (rc == 0)) {
  3415. u32 page_start, page_end, data_start, data_end;
  3416. u32 addr, cmd_flags;
  3417. int i;
  3418. /* Find the page_start addr */
  3419. page_start = offset32 + written;
  3420. page_start -= (page_start % bp->flash_info->page_size);
  3421. /* Find the page_end addr */
  3422. page_end = page_start + bp->flash_info->page_size;
  3423. /* Find the data_start addr */
  3424. data_start = (written == 0) ? offset32 : page_start;
  3425. /* Find the data_end addr */
  3426. data_end = (page_end > offset32 + len32) ?
  3427. (offset32 + len32) : page_end;
  3428. /* Request access to the flash interface. */
  3429. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3430. goto nvram_write_end;
  3431. /* Enable access to flash interface */
  3432. bnx2_enable_nvram_access(bp);
  3433. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3434. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3435. int j;
  3436. /* Read the whole page into the buffer
  3437. * (non-buffer flash only) */
  3438. for (j = 0; j < bp->flash_info->page_size; j += 4) {
  3439. if (j == (bp->flash_info->page_size - 4)) {
  3440. cmd_flags |= BNX2_NVM_COMMAND_LAST;
  3441. }
  3442. rc = bnx2_nvram_read_dword(bp,
  3443. page_start + j,
  3444. &flash_buffer[j],
  3445. cmd_flags);
  3446. if (rc)
  3447. goto nvram_write_end;
  3448. cmd_flags = 0;
  3449. }
  3450. }
  3451. /* Enable writes to flash interface (unlock write-protect) */
  3452. if ((rc = bnx2_enable_nvram_write(bp)) != 0)
  3453. goto nvram_write_end;
  3454. /* Loop to write back the buffer data from page_start to
  3455. * data_start */
  3456. i = 0;
  3457. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3458. /* Erase the page */
  3459. if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
  3460. goto nvram_write_end;
  3461. /* Re-enable the write again for the actual write */
  3462. bnx2_enable_nvram_write(bp);
  3463. for (addr = page_start; addr < data_start;
  3464. addr += 4, i += 4) {
  3465. rc = bnx2_nvram_write_dword(bp, addr,
  3466. &flash_buffer[i], cmd_flags);
  3467. if (rc != 0)
  3468. goto nvram_write_end;
  3469. cmd_flags = 0;
  3470. }
  3471. }
  3472. /* Loop to write the new data from data_start to data_end */
  3473. for (addr = data_start; addr < data_end; addr += 4, i += 4) {
  3474. if ((addr == page_end - 4) ||
  3475. ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
  3476. (addr == data_end - 4))) {
  3477. cmd_flags |= BNX2_NVM_COMMAND_LAST;
  3478. }
  3479. rc = bnx2_nvram_write_dword(bp, addr, buf,
  3480. cmd_flags);
  3481. if (rc != 0)
  3482. goto nvram_write_end;
  3483. cmd_flags = 0;
  3484. buf += 4;
  3485. }
  3486. /* Loop to write back the buffer data from data_end
  3487. * to page_end */
  3488. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3489. for (addr = data_end; addr < page_end;
  3490. addr += 4, i += 4) {
  3491. if (addr == page_end-4) {
  3492. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3493. }
  3494. rc = bnx2_nvram_write_dword(bp, addr,
  3495. &flash_buffer[i], cmd_flags);
  3496. if (rc != 0)
  3497. goto nvram_write_end;
  3498. cmd_flags = 0;
  3499. }
  3500. }
  3501. /* Disable writes to flash interface (lock write-protect) */
  3502. bnx2_disable_nvram_write(bp);
  3503. /* Disable access to flash interface */
  3504. bnx2_disable_nvram_access(bp);
  3505. bnx2_release_nvram_lock(bp);
  3506. /* Increment written */
  3507. written += data_end - data_start;
  3508. }
  3509. nvram_write_end:
  3510. kfree(flash_buffer);
  3511. kfree(align_buf);
  3512. return rc;
  3513. }
  3514. static void
  3515. bnx2_init_fw_cap(struct bnx2 *bp)
  3516. {
  3517. u32 val, sig = 0;
  3518. bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
  3519. bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
  3520. if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
  3521. bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
  3522. val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
  3523. if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
  3524. return;
  3525. if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
  3526. bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
  3527. sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
  3528. }
  3529. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  3530. (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
  3531. u32 link;
  3532. bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
  3533. link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
  3534. if (link & BNX2_LINK_STATUS_SERDES_LINK)
  3535. bp->phy_port = PORT_FIBRE;
  3536. else
  3537. bp->phy_port = PORT_TP;
  3538. sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
  3539. BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
  3540. }
  3541. if (netif_running(bp->dev) && sig)
  3542. bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
  3543. }
  3544. static void
  3545. bnx2_setup_msix_tbl(struct bnx2 *bp)
  3546. {
  3547. REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
  3548. REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
  3549. REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
  3550. }
  3551. static int
  3552. bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
  3553. {
  3554. u32 val;
  3555. int i, rc = 0;
  3556. u8 old_port;
  3557. /* Wait for the current PCI transaction to complete before
  3558. * issuing a reset. */
  3559. REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
  3560. BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
  3561. BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
  3562. BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
  3563. BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
  3564. val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
  3565. udelay(5);
  3566. /* Wait for the firmware to tell us it is ok to issue a reset. */
  3567. bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
  3568. /* Deposit a driver reset signature so the firmware knows that
  3569. * this is a soft reset. */
  3570. bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
  3571. BNX2_DRV_RESET_SIGNATURE_MAGIC);
  3572. /* Do a dummy read to force the chip to complete all current transaction
  3573. * before we issue a reset. */
  3574. val = REG_RD(bp, BNX2_MISC_ID);
  3575. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3576. REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
  3577. REG_RD(bp, BNX2_MISC_COMMAND);
  3578. udelay(5);
  3579. val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  3580. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
  3581. pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
  3582. } else {
  3583. val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3584. BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  3585. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
  3586. /* Chip reset. */
  3587. REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
  3588. /* Reading back any register after chip reset will hang the
  3589. * bus on 5706 A0 and A1. The msleep below provides plenty
  3590. * of margin for write posting.
  3591. */
  3592. if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
  3593. (CHIP_ID(bp) == CHIP_ID_5706_A1))
  3594. msleep(20);
  3595. /* Reset takes approximate 30 usec */
  3596. for (i = 0; i < 10; i++) {
  3597. val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
  3598. if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3599. BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
  3600. break;
  3601. udelay(10);
  3602. }
  3603. if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3604. BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
  3605. printk(KERN_ERR PFX "Chip reset did not complete\n");
  3606. return -EBUSY;
  3607. }
  3608. }
  3609. /* Make sure byte swapping is properly configured. */
  3610. val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
  3611. if (val != 0x01020304) {
  3612. printk(KERN_ERR PFX "Chip not in correct endian mode\n");
  3613. return -ENODEV;
  3614. }
  3615. /* Wait for the firmware to finish its initialization. */
  3616. rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
  3617. if (rc)
  3618. return rc;
  3619. spin_lock_bh(&bp->phy_lock);
  3620. old_port = bp->phy_port;
  3621. bnx2_init_fw_cap(bp);
  3622. if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
  3623. old_port != bp->phy_port)
  3624. bnx2_set_default_remote_link(bp);
  3625. spin_unlock_bh(&bp->phy_lock);
  3626. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  3627. /* Adjust the voltage regular to two steps lower. The default
  3628. * of this register is 0x0000000e. */
  3629. REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
  3630. /* Remove bad rbuf memory from the free pool. */
  3631. rc = bnx2_alloc_bad_rbuf(bp);
  3632. }
  3633. if (bp->flags & BNX2_FLAG_USING_MSIX)
  3634. bnx2_setup_msix_tbl(bp);
  3635. return rc;
  3636. }
  3637. static int
  3638. bnx2_init_chip(struct bnx2 *bp)
  3639. {
  3640. u32 val;
  3641. int rc, i;
  3642. /* Make sure the interrupt is not active. */
  3643. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  3644. val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
  3645. BNX2_DMA_CONFIG_DATA_WORD_SWAP |
  3646. #ifdef __BIG_ENDIAN
  3647. BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
  3648. #endif
  3649. BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
  3650. DMA_READ_CHANS << 12 |
  3651. DMA_WRITE_CHANS << 16;
  3652. val |= (0x2 << 20) | (1 << 11);
  3653. if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
  3654. val |= (1 << 23);
  3655. if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
  3656. (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
  3657. val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
  3658. REG_WR(bp, BNX2_DMA_CONFIG, val);
  3659. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  3660. val = REG_RD(bp, BNX2_TDMA_CONFIG);
  3661. val |= BNX2_TDMA_CONFIG_ONE_DMA;
  3662. REG_WR(bp, BNX2_TDMA_CONFIG, val);
  3663. }
  3664. if (bp->flags & BNX2_FLAG_PCIX) {
  3665. u16 val16;
  3666. pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
  3667. &val16);
  3668. pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
  3669. val16 & ~PCI_X_CMD_ERO);
  3670. }
  3671. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  3672. BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
  3673. BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
  3674. BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
  3675. /* Initialize context mapping and zero out the quick contexts. The
  3676. * context block must have already been enabled. */
  3677. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3678. rc = bnx2_init_5709_context(bp);
  3679. if (rc)
  3680. return rc;
  3681. } else
  3682. bnx2_init_context(bp);
  3683. if ((rc = bnx2_init_cpus(bp)) != 0)
  3684. return rc;
  3685. bnx2_init_nvram(bp);
  3686. bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
  3687. val = REG_RD(bp, BNX2_MQ_CONFIG);
  3688. val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
  3689. val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
  3690. if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
  3691. val |= BNX2_MQ_CONFIG_HALT_DIS;
  3692. REG_WR(bp, BNX2_MQ_CONFIG, val);
  3693. val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
  3694. REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
  3695. REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
  3696. val = (BCM_PAGE_BITS - 8) << 24;
  3697. REG_WR(bp, BNX2_RV2P_CONFIG, val);
  3698. /* Configure page size. */
  3699. val = REG_RD(bp, BNX2_TBDR_CONFIG);
  3700. val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
  3701. val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
  3702. REG_WR(bp, BNX2_TBDR_CONFIG, val);
  3703. val = bp->mac_addr[0] +
  3704. (bp->mac_addr[1] << 8) +
  3705. (bp->mac_addr[2] << 16) +
  3706. bp->mac_addr[3] +
  3707. (bp->mac_addr[4] << 8) +
  3708. (bp->mac_addr[5] << 16);
  3709. REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
  3710. /* Program the MTU. Also include 4 bytes for CRC32. */
  3711. val = bp->dev->mtu + ETH_HLEN + 4;
  3712. if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
  3713. val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
  3714. REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
  3715. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
  3716. bp->bnx2_napi[i].last_status_idx = 0;
  3717. bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
  3718. /* Set up how to generate a link change interrupt. */
  3719. REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
  3720. REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
  3721. (u64) bp->status_blk_mapping & 0xffffffff);
  3722. REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
  3723. REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
  3724. (u64) bp->stats_blk_mapping & 0xffffffff);
  3725. REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
  3726. (u64) bp->stats_blk_mapping >> 32);
  3727. REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
  3728. (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
  3729. REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
  3730. (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
  3731. REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
  3732. (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
  3733. REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
  3734. REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
  3735. REG_WR(bp, BNX2_HC_COM_TICKS,
  3736. (bp->com_ticks_int << 16) | bp->com_ticks);
  3737. REG_WR(bp, BNX2_HC_CMD_TICKS,
  3738. (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
  3739. if (CHIP_NUM(bp) == CHIP_NUM_5708)
  3740. REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
  3741. else
  3742. REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
  3743. REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
  3744. if (CHIP_ID(bp) == CHIP_ID_5706_A1)
  3745. val = BNX2_HC_CONFIG_COLLECT_STATS;
  3746. else {
  3747. val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
  3748. BNX2_HC_CONFIG_COLLECT_STATS;
  3749. }
  3750. if (bp->irq_nvecs > 1) {
  3751. REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
  3752. BNX2_HC_MSIX_BIT_VECTOR_VAL);
  3753. val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
  3754. }
  3755. if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
  3756. val |= BNX2_HC_CONFIG_ONE_SHOT;
  3757. REG_WR(bp, BNX2_HC_CONFIG, val);
  3758. for (i = 1; i < bp->irq_nvecs; i++) {
  3759. u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
  3760. BNX2_HC_SB_CONFIG_1;
  3761. REG_WR(bp, base,
  3762. BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
  3763. BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
  3764. BNX2_HC_SB_CONFIG_1_ONE_SHOT);
  3765. REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
  3766. (bp->tx_quick_cons_trip_int << 16) |
  3767. bp->tx_quick_cons_trip);
  3768. REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
  3769. (bp->tx_ticks_int << 16) | bp->tx_ticks);
  3770. REG_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
  3771. (bp->rx_quick_cons_trip_int << 16) |
  3772. bp->rx_quick_cons_trip);
  3773. REG_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
  3774. (bp->rx_ticks_int << 16) | bp->rx_ticks);
  3775. }
  3776. /* Clear internal stats counters. */
  3777. REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
  3778. REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
  3779. /* Initialize the receive filter. */
  3780. bnx2_set_rx_mode(bp->dev);
  3781. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3782. val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
  3783. val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
  3784. REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
  3785. }
  3786. rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
  3787. 1, 0);
  3788. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
  3789. REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
  3790. udelay(20);
  3791. bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
  3792. return rc;
  3793. }
  3794. static void
  3795. bnx2_clear_ring_states(struct bnx2 *bp)
  3796. {
  3797. struct bnx2_napi *bnapi;
  3798. struct bnx2_tx_ring_info *txr;
  3799. struct bnx2_rx_ring_info *rxr;
  3800. int i;
  3801. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
  3802. bnapi = &bp->bnx2_napi[i];
  3803. txr = &bnapi->tx_ring;
  3804. rxr = &bnapi->rx_ring;
  3805. txr->tx_cons = 0;
  3806. txr->hw_tx_cons = 0;
  3807. rxr->rx_prod_bseq = 0;
  3808. rxr->rx_prod = 0;
  3809. rxr->rx_cons = 0;
  3810. rxr->rx_pg_prod = 0;
  3811. rxr->rx_pg_cons = 0;
  3812. }
  3813. }
  3814. static void
  3815. bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
  3816. {
  3817. u32 val, offset0, offset1, offset2, offset3;
  3818. u32 cid_addr = GET_CID_ADDR(cid);
  3819. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3820. offset0 = BNX2_L2CTX_TYPE_XI;
  3821. offset1 = BNX2_L2CTX_CMD_TYPE_XI;
  3822. offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
  3823. offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
  3824. } else {
  3825. offset0 = BNX2_L2CTX_TYPE;
  3826. offset1 = BNX2_L2CTX_CMD_TYPE;
  3827. offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
  3828. offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
  3829. }
  3830. val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
  3831. bnx2_ctx_wr(bp, cid_addr, offset0, val);
  3832. val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
  3833. bnx2_ctx_wr(bp, cid_addr, offset1, val);
  3834. val = (u64) txr->tx_desc_mapping >> 32;
  3835. bnx2_ctx_wr(bp, cid_addr, offset2, val);
  3836. val = (u64) txr->tx_desc_mapping & 0xffffffff;
  3837. bnx2_ctx_wr(bp, cid_addr, offset3, val);
  3838. }
  3839. static void
  3840. bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
  3841. {
  3842. struct tx_bd *txbd;
  3843. u32 cid = TX_CID;
  3844. struct bnx2_napi *bnapi;
  3845. struct bnx2_tx_ring_info *txr;
  3846. bnapi = &bp->bnx2_napi[ring_num];
  3847. txr = &bnapi->tx_ring;
  3848. if (ring_num == 0)
  3849. cid = TX_CID;
  3850. else
  3851. cid = TX_TSS_CID + ring_num - 1;
  3852. bp->tx_wake_thresh = bp->tx_ring_size / 2;
  3853. txbd = &txr->tx_desc_ring[MAX_TX_DESC_CNT];
  3854. txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
  3855. txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
  3856. txr->tx_prod = 0;
  3857. txr->tx_prod_bseq = 0;
  3858. txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
  3859. txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
  3860. bnx2_init_tx_context(bp, cid, txr);
  3861. }
  3862. static void
  3863. bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
  3864. int num_rings)
  3865. {
  3866. int i;
  3867. struct rx_bd *rxbd;
  3868. for (i = 0; i < num_rings; i++) {
  3869. int j;
  3870. rxbd = &rx_ring[i][0];
  3871. for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
  3872. rxbd->rx_bd_len = buf_size;
  3873. rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
  3874. }
  3875. if (i == (num_rings - 1))
  3876. j = 0;
  3877. else
  3878. j = i + 1;
  3879. rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
  3880. rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
  3881. }
  3882. }
  3883. static void
  3884. bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
  3885. {
  3886. int i;
  3887. u16 prod, ring_prod;
  3888. u32 cid, rx_cid_addr, val;
  3889. struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
  3890. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  3891. if (ring_num == 0)
  3892. cid = RX_CID;
  3893. else
  3894. cid = RX_RSS_CID + ring_num - 1;
  3895. rx_cid_addr = GET_CID_ADDR(cid);
  3896. bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
  3897. bp->rx_buf_use_size, bp->rx_max_ring);
  3898. bnx2_init_rx_context(bp, cid);
  3899. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3900. val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
  3901. REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
  3902. }
  3903. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
  3904. if (bp->rx_pg_ring_size) {
  3905. bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
  3906. rxr->rx_pg_desc_mapping,
  3907. PAGE_SIZE, bp->rx_max_pg_ring);
  3908. val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
  3909. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
  3910. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
  3911. BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
  3912. val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
  3913. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
  3914. val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
  3915. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
  3916. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  3917. REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
  3918. }
  3919. val = (u64) rxr->rx_desc_mapping[0] >> 32;
  3920. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
  3921. val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
  3922. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
  3923. ring_prod = prod = rxr->rx_pg_prod;
  3924. for (i = 0; i < bp->rx_pg_ring_size; i++) {
  3925. if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
  3926. break;
  3927. prod = NEXT_RX_BD(prod);
  3928. ring_prod = RX_PG_RING_IDX(prod);
  3929. }
  3930. rxr->rx_pg_prod = prod;
  3931. ring_prod = prod = rxr->rx_prod;
  3932. for (i = 0; i < bp->rx_ring_size; i++) {
  3933. if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
  3934. break;
  3935. prod = NEXT_RX_BD(prod);
  3936. ring_prod = RX_RING_IDX(prod);
  3937. }
  3938. rxr->rx_prod = prod;
  3939. rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
  3940. rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
  3941. rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
  3942. REG_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
  3943. REG_WR16(bp, rxr->rx_bidx_addr, prod);
  3944. REG_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
  3945. }
  3946. static void
  3947. bnx2_init_all_rings(struct bnx2 *bp)
  3948. {
  3949. int i;
  3950. u32 val;
  3951. bnx2_clear_ring_states(bp);
  3952. REG_WR(bp, BNX2_TSCH_TSS_CFG, 0);
  3953. for (i = 0; i < bp->num_tx_rings; i++)
  3954. bnx2_init_tx_ring(bp, i);
  3955. if (bp->num_tx_rings > 1)
  3956. REG_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
  3957. (TX_TSS_CID << 7));
  3958. REG_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
  3959. bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
  3960. for (i = 0; i < bp->num_rx_rings; i++)
  3961. bnx2_init_rx_ring(bp, i);
  3962. if (bp->num_rx_rings > 1) {
  3963. u32 tbl_32;
  3964. u8 *tbl = (u8 *) &tbl_32;
  3965. bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
  3966. BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
  3967. for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
  3968. tbl[i % 4] = i % (bp->num_rx_rings - 1);
  3969. if ((i % 4) == 3)
  3970. bnx2_reg_wr_ind(bp,
  3971. BNX2_RXP_SCRATCH_RSS_TBL + i,
  3972. cpu_to_be32(tbl_32));
  3973. }
  3974. val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
  3975. BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
  3976. REG_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
  3977. }
  3978. }
  3979. static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
  3980. {
  3981. u32 max, num_rings = 1;
  3982. while (ring_size > MAX_RX_DESC_CNT) {
  3983. ring_size -= MAX_RX_DESC_CNT;
  3984. num_rings++;
  3985. }
  3986. /* round to next power of 2 */
  3987. max = max_size;
  3988. while ((max & num_rings) == 0)
  3989. max >>= 1;
  3990. if (num_rings != max)
  3991. max <<= 1;
  3992. return max;
  3993. }
  3994. static void
  3995. bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
  3996. {
  3997. u32 rx_size, rx_space, jumbo_size;
  3998. /* 8 for CRC and VLAN */
  3999. rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
  4000. rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
  4001. sizeof(struct skb_shared_info);
  4002. bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
  4003. bp->rx_pg_ring_size = 0;
  4004. bp->rx_max_pg_ring = 0;
  4005. bp->rx_max_pg_ring_idx = 0;
  4006. if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
  4007. int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
  4008. jumbo_size = size * pages;
  4009. if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
  4010. jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
  4011. bp->rx_pg_ring_size = jumbo_size;
  4012. bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
  4013. MAX_RX_PG_RINGS);
  4014. bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
  4015. rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
  4016. bp->rx_copy_thresh = 0;
  4017. }
  4018. bp->rx_buf_use_size = rx_size;
  4019. /* hw alignment */
  4020. bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
  4021. bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
  4022. bp->rx_ring_size = size;
  4023. bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
  4024. bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
  4025. }
  4026. static void
  4027. bnx2_free_tx_skbs(struct bnx2 *bp)
  4028. {
  4029. int i;
  4030. for (i = 0; i < bp->num_tx_rings; i++) {
  4031. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  4032. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  4033. int j;
  4034. if (txr->tx_buf_ring == NULL)
  4035. continue;
  4036. for (j = 0; j < TX_DESC_CNT; ) {
  4037. struct sw_bd *tx_buf = &txr->tx_buf_ring[j];
  4038. struct sk_buff *skb = tx_buf->skb;
  4039. int k, last;
  4040. if (skb == NULL) {
  4041. j++;
  4042. continue;
  4043. }
  4044. pci_unmap_single(bp->pdev,
  4045. pci_unmap_addr(tx_buf, mapping),
  4046. skb_headlen(skb), PCI_DMA_TODEVICE);
  4047. tx_buf->skb = NULL;
  4048. last = skb_shinfo(skb)->nr_frags;
  4049. for (k = 0; k < last; k++) {
  4050. tx_buf = &txr->tx_buf_ring[j + k + 1];
  4051. pci_unmap_page(bp->pdev,
  4052. pci_unmap_addr(tx_buf, mapping),
  4053. skb_shinfo(skb)->frags[j].size,
  4054. PCI_DMA_TODEVICE);
  4055. }
  4056. dev_kfree_skb(skb);
  4057. j += k + 1;
  4058. }
  4059. }
  4060. }
  4061. static void
  4062. bnx2_free_rx_skbs(struct bnx2 *bp)
  4063. {
  4064. int i;
  4065. for (i = 0; i < bp->num_rx_rings; i++) {
  4066. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  4067. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  4068. int j;
  4069. if (rxr->rx_buf_ring == NULL)
  4070. return;
  4071. for (j = 0; j < bp->rx_max_ring_idx; j++) {
  4072. struct sw_bd *rx_buf = &rxr->rx_buf_ring[j];
  4073. struct sk_buff *skb = rx_buf->skb;
  4074. if (skb == NULL)
  4075. continue;
  4076. pci_unmap_single(bp->pdev,
  4077. pci_unmap_addr(rx_buf, mapping),
  4078. bp->rx_buf_use_size,
  4079. PCI_DMA_FROMDEVICE);
  4080. rx_buf->skb = NULL;
  4081. dev_kfree_skb(skb);
  4082. }
  4083. for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
  4084. bnx2_free_rx_page(bp, rxr, j);
  4085. }
  4086. }
  4087. static void
  4088. bnx2_free_skbs(struct bnx2 *bp)
  4089. {
  4090. bnx2_free_tx_skbs(bp);
  4091. bnx2_free_rx_skbs(bp);
  4092. }
  4093. static int
  4094. bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
  4095. {
  4096. int rc;
  4097. rc = bnx2_reset_chip(bp, reset_code);
  4098. bnx2_free_skbs(bp);
  4099. if (rc)
  4100. return rc;
  4101. if ((rc = bnx2_init_chip(bp)) != 0)
  4102. return rc;
  4103. bnx2_init_all_rings(bp);
  4104. return 0;
  4105. }
  4106. static int
  4107. bnx2_init_nic(struct bnx2 *bp, int reset_phy)
  4108. {
  4109. int rc;
  4110. if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
  4111. return rc;
  4112. spin_lock_bh(&bp->phy_lock);
  4113. bnx2_init_phy(bp, reset_phy);
  4114. bnx2_set_link(bp);
  4115. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  4116. bnx2_remote_phy_event(bp);
  4117. spin_unlock_bh(&bp->phy_lock);
  4118. return 0;
  4119. }
  4120. static int
  4121. bnx2_test_registers(struct bnx2 *bp)
  4122. {
  4123. int ret;
  4124. int i, is_5709;
  4125. static const struct {
  4126. u16 offset;
  4127. u16 flags;
  4128. #define BNX2_FL_NOT_5709 1
  4129. u32 rw_mask;
  4130. u32 ro_mask;
  4131. } reg_tbl[] = {
  4132. { 0x006c, 0, 0x00000000, 0x0000003f },
  4133. { 0x0090, 0, 0xffffffff, 0x00000000 },
  4134. { 0x0094, 0, 0x00000000, 0x00000000 },
  4135. { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
  4136. { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4137. { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4138. { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
  4139. { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
  4140. { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
  4141. { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
  4142. { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4143. { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4144. { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4145. { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4146. { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4147. { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4148. { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4149. { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4150. { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
  4151. { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
  4152. { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
  4153. { 0x1000, 0, 0x00000000, 0x00000001 },
  4154. { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
  4155. { 0x1408, 0, 0x01c00800, 0x00000000 },
  4156. { 0x149c, 0, 0x8000ffff, 0x00000000 },
  4157. { 0x14a8, 0, 0x00000000, 0x000001ff },
  4158. { 0x14ac, 0, 0x0fffffff, 0x10000000 },
  4159. { 0x14b0, 0, 0x00000002, 0x00000001 },
  4160. { 0x14b8, 0, 0x00000000, 0x00000000 },
  4161. { 0x14c0, 0, 0x00000000, 0x00000009 },
  4162. { 0x14c4, 0, 0x00003fff, 0x00000000 },
  4163. { 0x14cc, 0, 0x00000000, 0x00000001 },
  4164. { 0x14d0, 0, 0xffffffff, 0x00000000 },
  4165. { 0x1800, 0, 0x00000000, 0x00000001 },
  4166. { 0x1804, 0, 0x00000000, 0x00000003 },
  4167. { 0x2800, 0, 0x00000000, 0x00000001 },
  4168. { 0x2804, 0, 0x00000000, 0x00003f01 },
  4169. { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
  4170. { 0x2810, 0, 0xffff0000, 0x00000000 },
  4171. { 0x2814, 0, 0xffff0000, 0x00000000 },
  4172. { 0x2818, 0, 0xffff0000, 0x00000000 },
  4173. { 0x281c, 0, 0xffff0000, 0x00000000 },
  4174. { 0x2834, 0, 0xffffffff, 0x00000000 },
  4175. { 0x2840, 0, 0x00000000, 0xffffffff },
  4176. { 0x2844, 0, 0x00000000, 0xffffffff },
  4177. { 0x2848, 0, 0xffffffff, 0x00000000 },
  4178. { 0x284c, 0, 0xf800f800, 0x07ff07ff },
  4179. { 0x2c00, 0, 0x00000000, 0x00000011 },
  4180. { 0x2c04, 0, 0x00000000, 0x00030007 },
  4181. { 0x3c00, 0, 0x00000000, 0x00000001 },
  4182. { 0x3c04, 0, 0x00000000, 0x00070000 },
  4183. { 0x3c08, 0, 0x00007f71, 0x07f00000 },
  4184. { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
  4185. { 0x3c10, 0, 0xffffffff, 0x00000000 },
  4186. { 0x3c14, 0, 0x00000000, 0xffffffff },
  4187. { 0x3c18, 0, 0x00000000, 0xffffffff },
  4188. { 0x3c1c, 0, 0xfffff000, 0x00000000 },
  4189. { 0x3c20, 0, 0xffffff00, 0x00000000 },
  4190. { 0x5004, 0, 0x00000000, 0x0000007f },
  4191. { 0x5008, 0, 0x0f0007ff, 0x00000000 },
  4192. { 0x5c00, 0, 0x00000000, 0x00000001 },
  4193. { 0x5c04, 0, 0x00000000, 0x0003000f },
  4194. { 0x5c08, 0, 0x00000003, 0x00000000 },
  4195. { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
  4196. { 0x5c10, 0, 0x00000000, 0xffffffff },
  4197. { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
  4198. { 0x5c84, 0, 0x00000000, 0x0000f333 },
  4199. { 0x5c88, 0, 0x00000000, 0x00077373 },
  4200. { 0x5c8c, 0, 0x00000000, 0x0007f737 },
  4201. { 0x6808, 0, 0x0000ff7f, 0x00000000 },
  4202. { 0x680c, 0, 0xffffffff, 0x00000000 },
  4203. { 0x6810, 0, 0xffffffff, 0x00000000 },
  4204. { 0x6814, 0, 0xffffffff, 0x00000000 },
  4205. { 0x6818, 0, 0xffffffff, 0x00000000 },
  4206. { 0x681c, 0, 0xffffffff, 0x00000000 },
  4207. { 0x6820, 0, 0x00ff00ff, 0x00000000 },
  4208. { 0x6824, 0, 0x00ff00ff, 0x00000000 },
  4209. { 0x6828, 0, 0x00ff00ff, 0x00000000 },
  4210. { 0x682c, 0, 0x03ff03ff, 0x00000000 },
  4211. { 0x6830, 0, 0x03ff03ff, 0x00000000 },
  4212. { 0x6834, 0, 0x03ff03ff, 0x00000000 },
  4213. { 0x6838, 0, 0x03ff03ff, 0x00000000 },
  4214. { 0x683c, 0, 0x0000ffff, 0x00000000 },
  4215. { 0x6840, 0, 0x00000ff0, 0x00000000 },
  4216. { 0x6844, 0, 0x00ffff00, 0x00000000 },
  4217. { 0x684c, 0, 0xffffffff, 0x00000000 },
  4218. { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
  4219. { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
  4220. { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
  4221. { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
  4222. { 0x6908, 0, 0x00000000, 0x0001ff0f },
  4223. { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
  4224. { 0xffff, 0, 0x00000000, 0x00000000 },
  4225. };
  4226. ret = 0;
  4227. is_5709 = 0;
  4228. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  4229. is_5709 = 1;
  4230. for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
  4231. u32 offset, rw_mask, ro_mask, save_val, val;
  4232. u16 flags = reg_tbl[i].flags;
  4233. if (is_5709 && (flags & BNX2_FL_NOT_5709))
  4234. continue;
  4235. offset = (u32) reg_tbl[i].offset;
  4236. rw_mask = reg_tbl[i].rw_mask;
  4237. ro_mask = reg_tbl[i].ro_mask;
  4238. save_val = readl(bp->regview + offset);
  4239. writel(0, bp->regview + offset);
  4240. val = readl(bp->regview + offset);
  4241. if ((val & rw_mask) != 0) {
  4242. goto reg_test_err;
  4243. }
  4244. if ((val & ro_mask) != (save_val & ro_mask)) {
  4245. goto reg_test_err;
  4246. }
  4247. writel(0xffffffff, bp->regview + offset);
  4248. val = readl(bp->regview + offset);
  4249. if ((val & rw_mask) != rw_mask) {
  4250. goto reg_test_err;
  4251. }
  4252. if ((val & ro_mask) != (save_val & ro_mask)) {
  4253. goto reg_test_err;
  4254. }
  4255. writel(save_val, bp->regview + offset);
  4256. continue;
  4257. reg_test_err:
  4258. writel(save_val, bp->regview + offset);
  4259. ret = -ENODEV;
  4260. break;
  4261. }
  4262. return ret;
  4263. }
  4264. static int
  4265. bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
  4266. {
  4267. static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
  4268. 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
  4269. int i;
  4270. for (i = 0; i < sizeof(test_pattern) / 4; i++) {
  4271. u32 offset;
  4272. for (offset = 0; offset < size; offset += 4) {
  4273. bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
  4274. if (bnx2_reg_rd_ind(bp, start + offset) !=
  4275. test_pattern[i]) {
  4276. return -ENODEV;
  4277. }
  4278. }
  4279. }
  4280. return 0;
  4281. }
  4282. static int
  4283. bnx2_test_memory(struct bnx2 *bp)
  4284. {
  4285. int ret = 0;
  4286. int i;
  4287. static struct mem_entry {
  4288. u32 offset;
  4289. u32 len;
  4290. } mem_tbl_5706[] = {
  4291. { 0x60000, 0x4000 },
  4292. { 0xa0000, 0x3000 },
  4293. { 0xe0000, 0x4000 },
  4294. { 0x120000, 0x4000 },
  4295. { 0x1a0000, 0x4000 },
  4296. { 0x160000, 0x4000 },
  4297. { 0xffffffff, 0 },
  4298. },
  4299. mem_tbl_5709[] = {
  4300. { 0x60000, 0x4000 },
  4301. { 0xa0000, 0x3000 },
  4302. { 0xe0000, 0x4000 },
  4303. { 0x120000, 0x4000 },
  4304. { 0x1a0000, 0x4000 },
  4305. { 0xffffffff, 0 },
  4306. };
  4307. struct mem_entry *mem_tbl;
  4308. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  4309. mem_tbl = mem_tbl_5709;
  4310. else
  4311. mem_tbl = mem_tbl_5706;
  4312. for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
  4313. if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
  4314. mem_tbl[i].len)) != 0) {
  4315. return ret;
  4316. }
  4317. }
  4318. return ret;
  4319. }
  4320. #define BNX2_MAC_LOOPBACK 0
  4321. #define BNX2_PHY_LOOPBACK 1
  4322. static int
  4323. bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
  4324. {
  4325. unsigned int pkt_size, num_pkts, i;
  4326. struct sk_buff *skb, *rx_skb;
  4327. unsigned char *packet;
  4328. u16 rx_start_idx, rx_idx;
  4329. dma_addr_t map;
  4330. struct tx_bd *txbd;
  4331. struct sw_bd *rx_buf;
  4332. struct l2_fhdr *rx_hdr;
  4333. int ret = -ENODEV;
  4334. struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
  4335. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  4336. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  4337. tx_napi = bnapi;
  4338. txr = &tx_napi->tx_ring;
  4339. rxr = &bnapi->rx_ring;
  4340. if (loopback_mode == BNX2_MAC_LOOPBACK) {
  4341. bp->loopback = MAC_LOOPBACK;
  4342. bnx2_set_mac_loopback(bp);
  4343. }
  4344. else if (loopback_mode == BNX2_PHY_LOOPBACK) {
  4345. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  4346. return 0;
  4347. bp->loopback = PHY_LOOPBACK;
  4348. bnx2_set_phy_loopback(bp);
  4349. }
  4350. else
  4351. return -EINVAL;
  4352. pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
  4353. skb = netdev_alloc_skb(bp->dev, pkt_size);
  4354. if (!skb)
  4355. return -ENOMEM;
  4356. packet = skb_put(skb, pkt_size);
  4357. memcpy(packet, bp->dev->dev_addr, 6);
  4358. memset(packet + 6, 0x0, 8);
  4359. for (i = 14; i < pkt_size; i++)
  4360. packet[i] = (unsigned char) (i & 0xff);
  4361. map = pci_map_single(bp->pdev, skb->data, pkt_size,
  4362. PCI_DMA_TODEVICE);
  4363. REG_WR(bp, BNX2_HC_COMMAND,
  4364. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  4365. REG_RD(bp, BNX2_HC_COMMAND);
  4366. udelay(5);
  4367. rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
  4368. num_pkts = 0;
  4369. txbd = &txr->tx_desc_ring[TX_RING_IDX(txr->tx_prod)];
  4370. txbd->tx_bd_haddr_hi = (u64) map >> 32;
  4371. txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
  4372. txbd->tx_bd_mss_nbytes = pkt_size;
  4373. txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
  4374. num_pkts++;
  4375. txr->tx_prod = NEXT_TX_BD(txr->tx_prod);
  4376. txr->tx_prod_bseq += pkt_size;
  4377. REG_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
  4378. REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
  4379. udelay(100);
  4380. REG_WR(bp, BNX2_HC_COMMAND,
  4381. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  4382. REG_RD(bp, BNX2_HC_COMMAND);
  4383. udelay(5);
  4384. pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
  4385. dev_kfree_skb(skb);
  4386. if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
  4387. goto loopback_test_done;
  4388. rx_idx = bnx2_get_hw_rx_cons(bnapi);
  4389. if (rx_idx != rx_start_idx + num_pkts) {
  4390. goto loopback_test_done;
  4391. }
  4392. rx_buf = &rxr->rx_buf_ring[rx_start_idx];
  4393. rx_skb = rx_buf->skb;
  4394. rx_hdr = (struct l2_fhdr *) rx_skb->data;
  4395. skb_reserve(rx_skb, BNX2_RX_OFFSET);
  4396. pci_dma_sync_single_for_cpu(bp->pdev,
  4397. pci_unmap_addr(rx_buf, mapping),
  4398. bp->rx_buf_size, PCI_DMA_FROMDEVICE);
  4399. if (rx_hdr->l2_fhdr_status &
  4400. (L2_FHDR_ERRORS_BAD_CRC |
  4401. L2_FHDR_ERRORS_PHY_DECODE |
  4402. L2_FHDR_ERRORS_ALIGNMENT |
  4403. L2_FHDR_ERRORS_TOO_SHORT |
  4404. L2_FHDR_ERRORS_GIANT_FRAME)) {
  4405. goto loopback_test_done;
  4406. }
  4407. if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
  4408. goto loopback_test_done;
  4409. }
  4410. for (i = 14; i < pkt_size; i++) {
  4411. if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
  4412. goto loopback_test_done;
  4413. }
  4414. }
  4415. ret = 0;
  4416. loopback_test_done:
  4417. bp->loopback = 0;
  4418. return ret;
  4419. }
  4420. #define BNX2_MAC_LOOPBACK_FAILED 1
  4421. #define BNX2_PHY_LOOPBACK_FAILED 2
  4422. #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
  4423. BNX2_PHY_LOOPBACK_FAILED)
  4424. static int
  4425. bnx2_test_loopback(struct bnx2 *bp)
  4426. {
  4427. int rc = 0;
  4428. if (!netif_running(bp->dev))
  4429. return BNX2_LOOPBACK_FAILED;
  4430. bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
  4431. spin_lock_bh(&bp->phy_lock);
  4432. bnx2_init_phy(bp, 1);
  4433. spin_unlock_bh(&bp->phy_lock);
  4434. if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
  4435. rc |= BNX2_MAC_LOOPBACK_FAILED;
  4436. if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
  4437. rc |= BNX2_PHY_LOOPBACK_FAILED;
  4438. return rc;
  4439. }
  4440. #define NVRAM_SIZE 0x200
  4441. #define CRC32_RESIDUAL 0xdebb20e3
  4442. static int
  4443. bnx2_test_nvram(struct bnx2 *bp)
  4444. {
  4445. __be32 buf[NVRAM_SIZE / 4];
  4446. u8 *data = (u8 *) buf;
  4447. int rc = 0;
  4448. u32 magic, csum;
  4449. if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
  4450. goto test_nvram_done;
  4451. magic = be32_to_cpu(buf[0]);
  4452. if (magic != 0x669955aa) {
  4453. rc = -ENODEV;
  4454. goto test_nvram_done;
  4455. }
  4456. if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
  4457. goto test_nvram_done;
  4458. csum = ether_crc_le(0x100, data);
  4459. if (csum != CRC32_RESIDUAL) {
  4460. rc = -ENODEV;
  4461. goto test_nvram_done;
  4462. }
  4463. csum = ether_crc_le(0x100, data + 0x100);
  4464. if (csum != CRC32_RESIDUAL) {
  4465. rc = -ENODEV;
  4466. }
  4467. test_nvram_done:
  4468. return rc;
  4469. }
  4470. static int
  4471. bnx2_test_link(struct bnx2 *bp)
  4472. {
  4473. u32 bmsr;
  4474. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  4475. if (bp->link_up)
  4476. return 0;
  4477. return -ENODEV;
  4478. }
  4479. spin_lock_bh(&bp->phy_lock);
  4480. bnx2_enable_bmsr1(bp);
  4481. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  4482. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  4483. bnx2_disable_bmsr1(bp);
  4484. spin_unlock_bh(&bp->phy_lock);
  4485. if (bmsr & BMSR_LSTATUS) {
  4486. return 0;
  4487. }
  4488. return -ENODEV;
  4489. }
  4490. static int
  4491. bnx2_test_intr(struct bnx2 *bp)
  4492. {
  4493. int i;
  4494. u16 status_idx;
  4495. if (!netif_running(bp->dev))
  4496. return -ENODEV;
  4497. status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
  4498. /* This register is not touched during run-time. */
  4499. REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
  4500. REG_RD(bp, BNX2_HC_COMMAND);
  4501. for (i = 0; i < 10; i++) {
  4502. if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
  4503. status_idx) {
  4504. break;
  4505. }
  4506. msleep_interruptible(10);
  4507. }
  4508. if (i < 10)
  4509. return 0;
  4510. return -ENODEV;
  4511. }
  4512. /* Determining link for parallel detection. */
  4513. static int
  4514. bnx2_5706_serdes_has_link(struct bnx2 *bp)
  4515. {
  4516. u32 mode_ctl, an_dbg, exp;
  4517. if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
  4518. return 0;
  4519. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
  4520. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
  4521. if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
  4522. return 0;
  4523. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
  4524. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  4525. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  4526. if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
  4527. return 0;
  4528. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
  4529. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
  4530. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
  4531. if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
  4532. return 0;
  4533. return 1;
  4534. }
  4535. static void
  4536. bnx2_5706_serdes_timer(struct bnx2 *bp)
  4537. {
  4538. int check_link = 1;
  4539. spin_lock(&bp->phy_lock);
  4540. if (bp->serdes_an_pending) {
  4541. bp->serdes_an_pending--;
  4542. check_link = 0;
  4543. } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
  4544. u32 bmcr;
  4545. bp->current_interval = bp->timer_interval;
  4546. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4547. if (bmcr & BMCR_ANENABLE) {
  4548. if (bnx2_5706_serdes_has_link(bp)) {
  4549. bmcr &= ~BMCR_ANENABLE;
  4550. bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
  4551. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  4552. bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
  4553. }
  4554. }
  4555. }
  4556. else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
  4557. (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
  4558. u32 phy2;
  4559. bnx2_write_phy(bp, 0x17, 0x0f01);
  4560. bnx2_read_phy(bp, 0x15, &phy2);
  4561. if (phy2 & 0x20) {
  4562. u32 bmcr;
  4563. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4564. bmcr |= BMCR_ANENABLE;
  4565. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  4566. bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
  4567. }
  4568. } else
  4569. bp->current_interval = bp->timer_interval;
  4570. if (check_link) {
  4571. u32 val;
  4572. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
  4573. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
  4574. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
  4575. if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
  4576. if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
  4577. bnx2_5706s_force_link_dn(bp, 1);
  4578. bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
  4579. } else
  4580. bnx2_set_link(bp);
  4581. } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
  4582. bnx2_set_link(bp);
  4583. }
  4584. spin_unlock(&bp->phy_lock);
  4585. }
  4586. static void
  4587. bnx2_5708_serdes_timer(struct bnx2 *bp)
  4588. {
  4589. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  4590. return;
  4591. if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
  4592. bp->serdes_an_pending = 0;
  4593. return;
  4594. }
  4595. spin_lock(&bp->phy_lock);
  4596. if (bp->serdes_an_pending)
  4597. bp->serdes_an_pending--;
  4598. else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
  4599. u32 bmcr;
  4600. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4601. if (bmcr & BMCR_ANENABLE) {
  4602. bnx2_enable_forced_2g5(bp);
  4603. bp->current_interval = SERDES_FORCED_TIMEOUT;
  4604. } else {
  4605. bnx2_disable_forced_2g5(bp);
  4606. bp->serdes_an_pending = 2;
  4607. bp->current_interval = bp->timer_interval;
  4608. }
  4609. } else
  4610. bp->current_interval = bp->timer_interval;
  4611. spin_unlock(&bp->phy_lock);
  4612. }
  4613. static void
  4614. bnx2_timer(unsigned long data)
  4615. {
  4616. struct bnx2 *bp = (struct bnx2 *) data;
  4617. if (!netif_running(bp->dev))
  4618. return;
  4619. if (atomic_read(&bp->intr_sem) != 0)
  4620. goto bnx2_restart_timer;
  4621. bnx2_send_heart_beat(bp);
  4622. bp->stats_blk->stat_FwRxDrop =
  4623. bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
  4624. /* workaround occasional corrupted counters */
  4625. if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
  4626. REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
  4627. BNX2_HC_COMMAND_STATS_NOW);
  4628. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  4629. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  4630. bnx2_5706_serdes_timer(bp);
  4631. else
  4632. bnx2_5708_serdes_timer(bp);
  4633. }
  4634. bnx2_restart_timer:
  4635. mod_timer(&bp->timer, jiffies + bp->current_interval);
  4636. }
  4637. static int
  4638. bnx2_request_irq(struct bnx2 *bp)
  4639. {
  4640. unsigned long flags;
  4641. struct bnx2_irq *irq;
  4642. int rc = 0, i;
  4643. if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
  4644. flags = 0;
  4645. else
  4646. flags = IRQF_SHARED;
  4647. for (i = 0; i < bp->irq_nvecs; i++) {
  4648. irq = &bp->irq_tbl[i];
  4649. rc = request_irq(irq->vector, irq->handler, flags, irq->name,
  4650. &bp->bnx2_napi[i]);
  4651. if (rc)
  4652. break;
  4653. irq->requested = 1;
  4654. }
  4655. return rc;
  4656. }
  4657. static void
  4658. bnx2_free_irq(struct bnx2 *bp)
  4659. {
  4660. struct bnx2_irq *irq;
  4661. int i;
  4662. for (i = 0; i < bp->irq_nvecs; i++) {
  4663. irq = &bp->irq_tbl[i];
  4664. if (irq->requested)
  4665. free_irq(irq->vector, &bp->bnx2_napi[i]);
  4666. irq->requested = 0;
  4667. }
  4668. if (bp->flags & BNX2_FLAG_USING_MSI)
  4669. pci_disable_msi(bp->pdev);
  4670. else if (bp->flags & BNX2_FLAG_USING_MSIX)
  4671. pci_disable_msix(bp->pdev);
  4672. bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
  4673. }
  4674. static void
  4675. bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
  4676. {
  4677. int i, rc;
  4678. struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
  4679. bnx2_setup_msix_tbl(bp);
  4680. REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
  4681. REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
  4682. REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
  4683. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
  4684. msix_ent[i].entry = i;
  4685. msix_ent[i].vector = 0;
  4686. strcpy(bp->irq_tbl[i].name, bp->dev->name);
  4687. bp->irq_tbl[i].handler = bnx2_msi_1shot;
  4688. }
  4689. rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
  4690. if (rc != 0)
  4691. return;
  4692. bp->irq_nvecs = msix_vecs;
  4693. bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
  4694. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
  4695. bp->irq_tbl[i].vector = msix_ent[i].vector;
  4696. }
  4697. static void
  4698. bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
  4699. {
  4700. int cpus = num_online_cpus();
  4701. int msix_vecs = min(cpus + 1, RX_MAX_RINGS);
  4702. bp->irq_tbl[0].handler = bnx2_interrupt;
  4703. strcpy(bp->irq_tbl[0].name, bp->dev->name);
  4704. bp->irq_nvecs = 1;
  4705. bp->irq_tbl[0].vector = bp->pdev->irq;
  4706. if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi && cpus > 1)
  4707. bnx2_enable_msix(bp, msix_vecs);
  4708. if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
  4709. !(bp->flags & BNX2_FLAG_USING_MSIX)) {
  4710. if (pci_enable_msi(bp->pdev) == 0) {
  4711. bp->flags |= BNX2_FLAG_USING_MSI;
  4712. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  4713. bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
  4714. bp->irq_tbl[0].handler = bnx2_msi_1shot;
  4715. } else
  4716. bp->irq_tbl[0].handler = bnx2_msi;
  4717. bp->irq_tbl[0].vector = bp->pdev->irq;
  4718. }
  4719. }
  4720. bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
  4721. bp->dev->real_num_tx_queues = bp->num_tx_rings;
  4722. bp->num_rx_rings = bp->irq_nvecs;
  4723. }
  4724. /* Called with rtnl_lock */
  4725. static int
  4726. bnx2_open(struct net_device *dev)
  4727. {
  4728. struct bnx2 *bp = netdev_priv(dev);
  4729. int rc;
  4730. netif_carrier_off(dev);
  4731. bnx2_set_power_state(bp, PCI_D0);
  4732. bnx2_disable_int(bp);
  4733. bnx2_setup_int_mode(bp, disable_msi);
  4734. bnx2_napi_enable(bp);
  4735. rc = bnx2_alloc_mem(bp);
  4736. if (rc)
  4737. goto open_err;
  4738. rc = bnx2_request_irq(bp);
  4739. if (rc)
  4740. goto open_err;
  4741. rc = bnx2_init_nic(bp, 1);
  4742. if (rc)
  4743. goto open_err;
  4744. mod_timer(&bp->timer, jiffies + bp->current_interval);
  4745. atomic_set(&bp->intr_sem, 0);
  4746. bnx2_enable_int(bp);
  4747. if (bp->flags & BNX2_FLAG_USING_MSI) {
  4748. /* Test MSI to make sure it is working
  4749. * If MSI test fails, go back to INTx mode
  4750. */
  4751. if (bnx2_test_intr(bp) != 0) {
  4752. printk(KERN_WARNING PFX "%s: No interrupt was generated"
  4753. " using MSI, switching to INTx mode. Please"
  4754. " report this failure to the PCI maintainer"
  4755. " and include system chipset information.\n",
  4756. bp->dev->name);
  4757. bnx2_disable_int(bp);
  4758. bnx2_free_irq(bp);
  4759. bnx2_setup_int_mode(bp, 1);
  4760. rc = bnx2_init_nic(bp, 0);
  4761. if (!rc)
  4762. rc = bnx2_request_irq(bp);
  4763. if (rc) {
  4764. del_timer_sync(&bp->timer);
  4765. goto open_err;
  4766. }
  4767. bnx2_enable_int(bp);
  4768. }
  4769. }
  4770. if (bp->flags & BNX2_FLAG_USING_MSI)
  4771. printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
  4772. else if (bp->flags & BNX2_FLAG_USING_MSIX)
  4773. printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
  4774. netif_tx_start_all_queues(dev);
  4775. return 0;
  4776. open_err:
  4777. bnx2_napi_disable(bp);
  4778. bnx2_free_skbs(bp);
  4779. bnx2_free_irq(bp);
  4780. bnx2_free_mem(bp);
  4781. return rc;
  4782. }
  4783. static void
  4784. bnx2_reset_task(struct work_struct *work)
  4785. {
  4786. struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
  4787. if (!netif_running(bp->dev))
  4788. return;
  4789. bnx2_netif_stop(bp);
  4790. bnx2_init_nic(bp, 1);
  4791. atomic_set(&bp->intr_sem, 1);
  4792. bnx2_netif_start(bp);
  4793. }
  4794. static void
  4795. bnx2_tx_timeout(struct net_device *dev)
  4796. {
  4797. struct bnx2 *bp = netdev_priv(dev);
  4798. /* This allows the netif to be shutdown gracefully before resetting */
  4799. schedule_work(&bp->reset_task);
  4800. }
  4801. #ifdef BCM_VLAN
  4802. /* Called with rtnl_lock */
  4803. static void
  4804. bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
  4805. {
  4806. struct bnx2 *bp = netdev_priv(dev);
  4807. bnx2_netif_stop(bp);
  4808. bp->vlgrp = vlgrp;
  4809. bnx2_set_rx_mode(dev);
  4810. if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
  4811. bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
  4812. bnx2_netif_start(bp);
  4813. }
  4814. #endif
  4815. /* Called with netif_tx_lock.
  4816. * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
  4817. * netif_wake_queue().
  4818. */
  4819. static int
  4820. bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
  4821. {
  4822. struct bnx2 *bp = netdev_priv(dev);
  4823. dma_addr_t mapping;
  4824. struct tx_bd *txbd;
  4825. struct sw_bd *tx_buf;
  4826. u32 len, vlan_tag_flags, last_frag, mss;
  4827. u16 prod, ring_prod;
  4828. int i;
  4829. struct bnx2_napi *bnapi;
  4830. struct bnx2_tx_ring_info *txr;
  4831. struct netdev_queue *txq;
  4832. /* Determine which tx ring we will be placed on */
  4833. i = skb_get_queue_mapping(skb);
  4834. bnapi = &bp->bnx2_napi[i];
  4835. txr = &bnapi->tx_ring;
  4836. txq = netdev_get_tx_queue(dev, i);
  4837. if (unlikely(bnx2_tx_avail(bp, txr) <
  4838. (skb_shinfo(skb)->nr_frags + 1))) {
  4839. netif_tx_stop_queue(txq);
  4840. printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
  4841. dev->name);
  4842. return NETDEV_TX_BUSY;
  4843. }
  4844. len = skb_headlen(skb);
  4845. prod = txr->tx_prod;
  4846. ring_prod = TX_RING_IDX(prod);
  4847. vlan_tag_flags = 0;
  4848. if (skb->ip_summed == CHECKSUM_PARTIAL) {
  4849. vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
  4850. }
  4851. if (bp->vlgrp && vlan_tx_tag_present(skb)) {
  4852. vlan_tag_flags |=
  4853. (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
  4854. }
  4855. if ((mss = skb_shinfo(skb)->gso_size)) {
  4856. u32 tcp_opt_len, ip_tcp_len;
  4857. struct iphdr *iph;
  4858. vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
  4859. tcp_opt_len = tcp_optlen(skb);
  4860. if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
  4861. u32 tcp_off = skb_transport_offset(skb) -
  4862. sizeof(struct ipv6hdr) - ETH_HLEN;
  4863. vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
  4864. TX_BD_FLAGS_SW_FLAGS;
  4865. if (likely(tcp_off == 0))
  4866. vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
  4867. else {
  4868. tcp_off >>= 3;
  4869. vlan_tag_flags |= ((tcp_off & 0x3) <<
  4870. TX_BD_FLAGS_TCP6_OFF0_SHL) |
  4871. ((tcp_off & 0x10) <<
  4872. TX_BD_FLAGS_TCP6_OFF4_SHL);
  4873. mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
  4874. }
  4875. } else {
  4876. if (skb_header_cloned(skb) &&
  4877. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  4878. dev_kfree_skb(skb);
  4879. return NETDEV_TX_OK;
  4880. }
  4881. ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
  4882. iph = ip_hdr(skb);
  4883. iph->check = 0;
  4884. iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
  4885. tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
  4886. iph->daddr, 0,
  4887. IPPROTO_TCP,
  4888. 0);
  4889. if (tcp_opt_len || (iph->ihl > 5)) {
  4890. vlan_tag_flags |= ((iph->ihl - 5) +
  4891. (tcp_opt_len >> 2)) << 8;
  4892. }
  4893. }
  4894. } else
  4895. mss = 0;
  4896. mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
  4897. tx_buf = &txr->tx_buf_ring[ring_prod];
  4898. tx_buf->skb = skb;
  4899. pci_unmap_addr_set(tx_buf, mapping, mapping);
  4900. txbd = &txr->tx_desc_ring[ring_prod];
  4901. txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
  4902. txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  4903. txbd->tx_bd_mss_nbytes = len | (mss << 16);
  4904. txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
  4905. last_frag = skb_shinfo(skb)->nr_frags;
  4906. for (i = 0; i < last_frag; i++) {
  4907. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  4908. prod = NEXT_TX_BD(prod);
  4909. ring_prod = TX_RING_IDX(prod);
  4910. txbd = &txr->tx_desc_ring[ring_prod];
  4911. len = frag->size;
  4912. mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
  4913. len, PCI_DMA_TODEVICE);
  4914. pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod],
  4915. mapping, mapping);
  4916. txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
  4917. txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  4918. txbd->tx_bd_mss_nbytes = len | (mss << 16);
  4919. txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
  4920. }
  4921. txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
  4922. prod = NEXT_TX_BD(prod);
  4923. txr->tx_prod_bseq += skb->len;
  4924. REG_WR16(bp, txr->tx_bidx_addr, prod);
  4925. REG_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
  4926. mmiowb();
  4927. txr->tx_prod = prod;
  4928. dev->trans_start = jiffies;
  4929. if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
  4930. netif_tx_stop_queue(txq);
  4931. if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
  4932. netif_tx_wake_queue(txq);
  4933. }
  4934. return NETDEV_TX_OK;
  4935. }
  4936. /* Called with rtnl_lock */
  4937. static int
  4938. bnx2_close(struct net_device *dev)
  4939. {
  4940. struct bnx2 *bp = netdev_priv(dev);
  4941. u32 reset_code;
  4942. cancel_work_sync(&bp->reset_task);
  4943. bnx2_disable_int_sync(bp);
  4944. bnx2_napi_disable(bp);
  4945. del_timer_sync(&bp->timer);
  4946. if (bp->flags & BNX2_FLAG_NO_WOL)
  4947. reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
  4948. else if (bp->wol)
  4949. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  4950. else
  4951. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  4952. bnx2_reset_chip(bp, reset_code);
  4953. bnx2_free_irq(bp);
  4954. bnx2_free_skbs(bp);
  4955. bnx2_free_mem(bp);
  4956. bp->link_up = 0;
  4957. netif_carrier_off(bp->dev);
  4958. bnx2_set_power_state(bp, PCI_D3hot);
  4959. return 0;
  4960. }
  4961. #define GET_NET_STATS64(ctr) \
  4962. (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
  4963. (unsigned long) (ctr##_lo)
  4964. #define GET_NET_STATS32(ctr) \
  4965. (ctr##_lo)
  4966. #if (BITS_PER_LONG == 64)
  4967. #define GET_NET_STATS GET_NET_STATS64
  4968. #else
  4969. #define GET_NET_STATS GET_NET_STATS32
  4970. #endif
  4971. static struct net_device_stats *
  4972. bnx2_get_stats(struct net_device *dev)
  4973. {
  4974. struct bnx2 *bp = netdev_priv(dev);
  4975. struct statistics_block *stats_blk = bp->stats_blk;
  4976. struct net_device_stats *net_stats = &bp->net_stats;
  4977. if (bp->stats_blk == NULL) {
  4978. return net_stats;
  4979. }
  4980. net_stats->rx_packets =
  4981. GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
  4982. GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
  4983. GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
  4984. net_stats->tx_packets =
  4985. GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
  4986. GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
  4987. GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
  4988. net_stats->rx_bytes =
  4989. GET_NET_STATS(stats_blk->stat_IfHCInOctets);
  4990. net_stats->tx_bytes =
  4991. GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
  4992. net_stats->multicast =
  4993. GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
  4994. net_stats->collisions =
  4995. (unsigned long) stats_blk->stat_EtherStatsCollisions;
  4996. net_stats->rx_length_errors =
  4997. (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
  4998. stats_blk->stat_EtherStatsOverrsizePkts);
  4999. net_stats->rx_over_errors =
  5000. (unsigned long) stats_blk->stat_IfInMBUFDiscards;
  5001. net_stats->rx_frame_errors =
  5002. (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
  5003. net_stats->rx_crc_errors =
  5004. (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
  5005. net_stats->rx_errors = net_stats->rx_length_errors +
  5006. net_stats->rx_over_errors + net_stats->rx_frame_errors +
  5007. net_stats->rx_crc_errors;
  5008. net_stats->tx_aborted_errors =
  5009. (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
  5010. stats_blk->stat_Dot3StatsLateCollisions);
  5011. if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
  5012. (CHIP_ID(bp) == CHIP_ID_5708_A0))
  5013. net_stats->tx_carrier_errors = 0;
  5014. else {
  5015. net_stats->tx_carrier_errors =
  5016. (unsigned long)
  5017. stats_blk->stat_Dot3StatsCarrierSenseErrors;
  5018. }
  5019. net_stats->tx_errors =
  5020. (unsigned long)
  5021. stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
  5022. +
  5023. net_stats->tx_aborted_errors +
  5024. net_stats->tx_carrier_errors;
  5025. net_stats->rx_missed_errors =
  5026. (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
  5027. stats_blk->stat_FwRxDrop);
  5028. return net_stats;
  5029. }
  5030. /* All ethtool functions called with rtnl_lock */
  5031. static int
  5032. bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  5033. {
  5034. struct bnx2 *bp = netdev_priv(dev);
  5035. int support_serdes = 0, support_copper = 0;
  5036. cmd->supported = SUPPORTED_Autoneg;
  5037. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  5038. support_serdes = 1;
  5039. support_copper = 1;
  5040. } else if (bp->phy_port == PORT_FIBRE)
  5041. support_serdes = 1;
  5042. else
  5043. support_copper = 1;
  5044. if (support_serdes) {
  5045. cmd->supported |= SUPPORTED_1000baseT_Full |
  5046. SUPPORTED_FIBRE;
  5047. if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
  5048. cmd->supported |= SUPPORTED_2500baseX_Full;
  5049. }
  5050. if (support_copper) {
  5051. cmd->supported |= SUPPORTED_10baseT_Half |
  5052. SUPPORTED_10baseT_Full |
  5053. SUPPORTED_100baseT_Half |
  5054. SUPPORTED_100baseT_Full |
  5055. SUPPORTED_1000baseT_Full |
  5056. SUPPORTED_TP;
  5057. }
  5058. spin_lock_bh(&bp->phy_lock);
  5059. cmd->port = bp->phy_port;
  5060. cmd->advertising = bp->advertising;
  5061. if (bp->autoneg & AUTONEG_SPEED) {
  5062. cmd->autoneg = AUTONEG_ENABLE;
  5063. }
  5064. else {
  5065. cmd->autoneg = AUTONEG_DISABLE;
  5066. }
  5067. if (netif_carrier_ok(dev)) {
  5068. cmd->speed = bp->line_speed;
  5069. cmd->duplex = bp->duplex;
  5070. }
  5071. else {
  5072. cmd->speed = -1;
  5073. cmd->duplex = -1;
  5074. }
  5075. spin_unlock_bh(&bp->phy_lock);
  5076. cmd->transceiver = XCVR_INTERNAL;
  5077. cmd->phy_address = bp->phy_addr;
  5078. return 0;
  5079. }
  5080. static int
  5081. bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  5082. {
  5083. struct bnx2 *bp = netdev_priv(dev);
  5084. u8 autoneg = bp->autoneg;
  5085. u8 req_duplex = bp->req_duplex;
  5086. u16 req_line_speed = bp->req_line_speed;
  5087. u32 advertising = bp->advertising;
  5088. int err = -EINVAL;
  5089. spin_lock_bh(&bp->phy_lock);
  5090. if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
  5091. goto err_out_unlock;
  5092. if (cmd->port != bp->phy_port &&
  5093. !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
  5094. goto err_out_unlock;
  5095. /* If device is down, we can store the settings only if the user
  5096. * is setting the currently active port.
  5097. */
  5098. if (!netif_running(dev) && cmd->port != bp->phy_port)
  5099. goto err_out_unlock;
  5100. if (cmd->autoneg == AUTONEG_ENABLE) {
  5101. autoneg |= AUTONEG_SPEED;
  5102. cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
  5103. /* allow advertising 1 speed */
  5104. if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
  5105. (cmd->advertising == ADVERTISED_10baseT_Full) ||
  5106. (cmd->advertising == ADVERTISED_100baseT_Half) ||
  5107. (cmd->advertising == ADVERTISED_100baseT_Full)) {
  5108. if (cmd->port == PORT_FIBRE)
  5109. goto err_out_unlock;
  5110. advertising = cmd->advertising;
  5111. } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
  5112. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
  5113. (cmd->port == PORT_TP))
  5114. goto err_out_unlock;
  5115. } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
  5116. advertising = cmd->advertising;
  5117. else if (cmd->advertising == ADVERTISED_1000baseT_Half)
  5118. goto err_out_unlock;
  5119. else {
  5120. if (cmd->port == PORT_FIBRE)
  5121. advertising = ETHTOOL_ALL_FIBRE_SPEED;
  5122. else
  5123. advertising = ETHTOOL_ALL_COPPER_SPEED;
  5124. }
  5125. advertising |= ADVERTISED_Autoneg;
  5126. }
  5127. else {
  5128. if (cmd->port == PORT_FIBRE) {
  5129. if ((cmd->speed != SPEED_1000 &&
  5130. cmd->speed != SPEED_2500) ||
  5131. (cmd->duplex != DUPLEX_FULL))
  5132. goto err_out_unlock;
  5133. if (cmd->speed == SPEED_2500 &&
  5134. !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  5135. goto err_out_unlock;
  5136. }
  5137. else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
  5138. goto err_out_unlock;
  5139. autoneg &= ~AUTONEG_SPEED;
  5140. req_line_speed = cmd->speed;
  5141. req_duplex = cmd->duplex;
  5142. advertising = 0;
  5143. }
  5144. bp->autoneg = autoneg;
  5145. bp->advertising = advertising;
  5146. bp->req_line_speed = req_line_speed;
  5147. bp->req_duplex = req_duplex;
  5148. err = 0;
  5149. /* If device is down, the new settings will be picked up when it is
  5150. * brought up.
  5151. */
  5152. if (netif_running(dev))
  5153. err = bnx2_setup_phy(bp, cmd->port);
  5154. err_out_unlock:
  5155. spin_unlock_bh(&bp->phy_lock);
  5156. return err;
  5157. }
  5158. static void
  5159. bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
  5160. {
  5161. struct bnx2 *bp = netdev_priv(dev);
  5162. strcpy(info->driver, DRV_MODULE_NAME);
  5163. strcpy(info->version, DRV_MODULE_VERSION);
  5164. strcpy(info->bus_info, pci_name(bp->pdev));
  5165. strcpy(info->fw_version, bp->fw_version);
  5166. }
  5167. #define BNX2_REGDUMP_LEN (32 * 1024)
  5168. static int
  5169. bnx2_get_regs_len(struct net_device *dev)
  5170. {
  5171. return BNX2_REGDUMP_LEN;
  5172. }
  5173. static void
  5174. bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
  5175. {
  5176. u32 *p = _p, i, offset;
  5177. u8 *orig_p = _p;
  5178. struct bnx2 *bp = netdev_priv(dev);
  5179. u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
  5180. 0x0800, 0x0880, 0x0c00, 0x0c10,
  5181. 0x0c30, 0x0d08, 0x1000, 0x101c,
  5182. 0x1040, 0x1048, 0x1080, 0x10a4,
  5183. 0x1400, 0x1490, 0x1498, 0x14f0,
  5184. 0x1500, 0x155c, 0x1580, 0x15dc,
  5185. 0x1600, 0x1658, 0x1680, 0x16d8,
  5186. 0x1800, 0x1820, 0x1840, 0x1854,
  5187. 0x1880, 0x1894, 0x1900, 0x1984,
  5188. 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
  5189. 0x1c80, 0x1c94, 0x1d00, 0x1d84,
  5190. 0x2000, 0x2030, 0x23c0, 0x2400,
  5191. 0x2800, 0x2820, 0x2830, 0x2850,
  5192. 0x2b40, 0x2c10, 0x2fc0, 0x3058,
  5193. 0x3c00, 0x3c94, 0x4000, 0x4010,
  5194. 0x4080, 0x4090, 0x43c0, 0x4458,
  5195. 0x4c00, 0x4c18, 0x4c40, 0x4c54,
  5196. 0x4fc0, 0x5010, 0x53c0, 0x5444,
  5197. 0x5c00, 0x5c18, 0x5c80, 0x5c90,
  5198. 0x5fc0, 0x6000, 0x6400, 0x6428,
  5199. 0x6800, 0x6848, 0x684c, 0x6860,
  5200. 0x6888, 0x6910, 0x8000 };
  5201. regs->version = 0;
  5202. memset(p, 0, BNX2_REGDUMP_LEN);
  5203. if (!netif_running(bp->dev))
  5204. return;
  5205. i = 0;
  5206. offset = reg_boundaries[0];
  5207. p += offset;
  5208. while (offset < BNX2_REGDUMP_LEN) {
  5209. *p++ = REG_RD(bp, offset);
  5210. offset += 4;
  5211. if (offset == reg_boundaries[i + 1]) {
  5212. offset = reg_boundaries[i + 2];
  5213. p = (u32 *) (orig_p + offset);
  5214. i += 2;
  5215. }
  5216. }
  5217. }
  5218. static void
  5219. bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  5220. {
  5221. struct bnx2 *bp = netdev_priv(dev);
  5222. if (bp->flags & BNX2_FLAG_NO_WOL) {
  5223. wol->supported = 0;
  5224. wol->wolopts = 0;
  5225. }
  5226. else {
  5227. wol->supported = WAKE_MAGIC;
  5228. if (bp->wol)
  5229. wol->wolopts = WAKE_MAGIC;
  5230. else
  5231. wol->wolopts = 0;
  5232. }
  5233. memset(&wol->sopass, 0, sizeof(wol->sopass));
  5234. }
  5235. static int
  5236. bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  5237. {
  5238. struct bnx2 *bp = netdev_priv(dev);
  5239. if (wol->wolopts & ~WAKE_MAGIC)
  5240. return -EINVAL;
  5241. if (wol->wolopts & WAKE_MAGIC) {
  5242. if (bp->flags & BNX2_FLAG_NO_WOL)
  5243. return -EINVAL;
  5244. bp->wol = 1;
  5245. }
  5246. else {
  5247. bp->wol = 0;
  5248. }
  5249. return 0;
  5250. }
  5251. static int
  5252. bnx2_nway_reset(struct net_device *dev)
  5253. {
  5254. struct bnx2 *bp = netdev_priv(dev);
  5255. u32 bmcr;
  5256. if (!(bp->autoneg & AUTONEG_SPEED)) {
  5257. return -EINVAL;
  5258. }
  5259. spin_lock_bh(&bp->phy_lock);
  5260. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  5261. int rc;
  5262. rc = bnx2_setup_remote_phy(bp, bp->phy_port);
  5263. spin_unlock_bh(&bp->phy_lock);
  5264. return rc;
  5265. }
  5266. /* Force a link down visible on the other side */
  5267. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  5268. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  5269. spin_unlock_bh(&bp->phy_lock);
  5270. msleep(20);
  5271. spin_lock_bh(&bp->phy_lock);
  5272. bp->current_interval = SERDES_AN_TIMEOUT;
  5273. bp->serdes_an_pending = 1;
  5274. mod_timer(&bp->timer, jiffies + bp->current_interval);
  5275. }
  5276. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  5277. bmcr &= ~BMCR_LOOPBACK;
  5278. bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
  5279. spin_unlock_bh(&bp->phy_lock);
  5280. return 0;
  5281. }
  5282. static int
  5283. bnx2_get_eeprom_len(struct net_device *dev)
  5284. {
  5285. struct bnx2 *bp = netdev_priv(dev);
  5286. if (bp->flash_info == NULL)
  5287. return 0;
  5288. return (int) bp->flash_size;
  5289. }
  5290. static int
  5291. bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
  5292. u8 *eebuf)
  5293. {
  5294. struct bnx2 *bp = netdev_priv(dev);
  5295. int rc;
  5296. /* parameters already validated in ethtool_get_eeprom */
  5297. rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
  5298. return rc;
  5299. }
  5300. static int
  5301. bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
  5302. u8 *eebuf)
  5303. {
  5304. struct bnx2 *bp = netdev_priv(dev);
  5305. int rc;
  5306. /* parameters already validated in ethtool_set_eeprom */
  5307. rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
  5308. return rc;
  5309. }
  5310. static int
  5311. bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
  5312. {
  5313. struct bnx2 *bp = netdev_priv(dev);
  5314. memset(coal, 0, sizeof(struct ethtool_coalesce));
  5315. coal->rx_coalesce_usecs = bp->rx_ticks;
  5316. coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
  5317. coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
  5318. coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
  5319. coal->tx_coalesce_usecs = bp->tx_ticks;
  5320. coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
  5321. coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
  5322. coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
  5323. coal->stats_block_coalesce_usecs = bp->stats_ticks;
  5324. return 0;
  5325. }
  5326. static int
  5327. bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
  5328. {
  5329. struct bnx2 *bp = netdev_priv(dev);
  5330. bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
  5331. if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
  5332. bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
  5333. if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
  5334. bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
  5335. if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
  5336. bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
  5337. if (bp->rx_quick_cons_trip_int > 0xff)
  5338. bp->rx_quick_cons_trip_int = 0xff;
  5339. bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
  5340. if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
  5341. bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
  5342. if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
  5343. bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
  5344. if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
  5345. bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
  5346. if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
  5347. 0xff;
  5348. bp->stats_ticks = coal->stats_block_coalesce_usecs;
  5349. if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  5350. if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
  5351. bp->stats_ticks = USEC_PER_SEC;
  5352. }
  5353. if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
  5354. bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  5355. bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  5356. if (netif_running(bp->dev)) {
  5357. bnx2_netif_stop(bp);
  5358. bnx2_init_nic(bp, 0);
  5359. bnx2_netif_start(bp);
  5360. }
  5361. return 0;
  5362. }
  5363. static void
  5364. bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  5365. {
  5366. struct bnx2 *bp = netdev_priv(dev);
  5367. ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
  5368. ering->rx_mini_max_pending = 0;
  5369. ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
  5370. ering->rx_pending = bp->rx_ring_size;
  5371. ering->rx_mini_pending = 0;
  5372. ering->rx_jumbo_pending = bp->rx_pg_ring_size;
  5373. ering->tx_max_pending = MAX_TX_DESC_CNT;
  5374. ering->tx_pending = bp->tx_ring_size;
  5375. }
  5376. static int
  5377. bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
  5378. {
  5379. if (netif_running(bp->dev)) {
  5380. bnx2_netif_stop(bp);
  5381. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
  5382. bnx2_free_skbs(bp);
  5383. bnx2_free_mem(bp);
  5384. }
  5385. bnx2_set_rx_ring_size(bp, rx);
  5386. bp->tx_ring_size = tx;
  5387. if (netif_running(bp->dev)) {
  5388. int rc;
  5389. rc = bnx2_alloc_mem(bp);
  5390. if (rc)
  5391. return rc;
  5392. bnx2_init_nic(bp, 0);
  5393. bnx2_netif_start(bp);
  5394. }
  5395. return 0;
  5396. }
  5397. static int
  5398. bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  5399. {
  5400. struct bnx2 *bp = netdev_priv(dev);
  5401. int rc;
  5402. if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
  5403. (ering->tx_pending > MAX_TX_DESC_CNT) ||
  5404. (ering->tx_pending <= MAX_SKB_FRAGS)) {
  5405. return -EINVAL;
  5406. }
  5407. rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
  5408. return rc;
  5409. }
  5410. static void
  5411. bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  5412. {
  5413. struct bnx2 *bp = netdev_priv(dev);
  5414. epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
  5415. epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
  5416. epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
  5417. }
  5418. static int
  5419. bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  5420. {
  5421. struct bnx2 *bp = netdev_priv(dev);
  5422. bp->req_flow_ctrl = 0;
  5423. if (epause->rx_pause)
  5424. bp->req_flow_ctrl |= FLOW_CTRL_RX;
  5425. if (epause->tx_pause)
  5426. bp->req_flow_ctrl |= FLOW_CTRL_TX;
  5427. if (epause->autoneg) {
  5428. bp->autoneg |= AUTONEG_FLOW_CTRL;
  5429. }
  5430. else {
  5431. bp->autoneg &= ~AUTONEG_FLOW_CTRL;
  5432. }
  5433. spin_lock_bh(&bp->phy_lock);
  5434. bnx2_setup_phy(bp, bp->phy_port);
  5435. spin_unlock_bh(&bp->phy_lock);
  5436. return 0;
  5437. }
  5438. static u32
  5439. bnx2_get_rx_csum(struct net_device *dev)
  5440. {
  5441. struct bnx2 *bp = netdev_priv(dev);
  5442. return bp->rx_csum;
  5443. }
  5444. static int
  5445. bnx2_set_rx_csum(struct net_device *dev, u32 data)
  5446. {
  5447. struct bnx2 *bp = netdev_priv(dev);
  5448. bp->rx_csum = data;
  5449. return 0;
  5450. }
  5451. static int
  5452. bnx2_set_tso(struct net_device *dev, u32 data)
  5453. {
  5454. struct bnx2 *bp = netdev_priv(dev);
  5455. if (data) {
  5456. dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
  5457. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  5458. dev->features |= NETIF_F_TSO6;
  5459. } else
  5460. dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
  5461. NETIF_F_TSO_ECN);
  5462. return 0;
  5463. }
  5464. #define BNX2_NUM_STATS 46
  5465. static struct {
  5466. char string[ETH_GSTRING_LEN];
  5467. } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
  5468. { "rx_bytes" },
  5469. { "rx_error_bytes" },
  5470. { "tx_bytes" },
  5471. { "tx_error_bytes" },
  5472. { "rx_ucast_packets" },
  5473. { "rx_mcast_packets" },
  5474. { "rx_bcast_packets" },
  5475. { "tx_ucast_packets" },
  5476. { "tx_mcast_packets" },
  5477. { "tx_bcast_packets" },
  5478. { "tx_mac_errors" },
  5479. { "tx_carrier_errors" },
  5480. { "rx_crc_errors" },
  5481. { "rx_align_errors" },
  5482. { "tx_single_collisions" },
  5483. { "tx_multi_collisions" },
  5484. { "tx_deferred" },
  5485. { "tx_excess_collisions" },
  5486. { "tx_late_collisions" },
  5487. { "tx_total_collisions" },
  5488. { "rx_fragments" },
  5489. { "rx_jabbers" },
  5490. { "rx_undersize_packets" },
  5491. { "rx_oversize_packets" },
  5492. { "rx_64_byte_packets" },
  5493. { "rx_65_to_127_byte_packets" },
  5494. { "rx_128_to_255_byte_packets" },
  5495. { "rx_256_to_511_byte_packets" },
  5496. { "rx_512_to_1023_byte_packets" },
  5497. { "rx_1024_to_1522_byte_packets" },
  5498. { "rx_1523_to_9022_byte_packets" },
  5499. { "tx_64_byte_packets" },
  5500. { "tx_65_to_127_byte_packets" },
  5501. { "tx_128_to_255_byte_packets" },
  5502. { "tx_256_to_511_byte_packets" },
  5503. { "tx_512_to_1023_byte_packets" },
  5504. { "tx_1024_to_1522_byte_packets" },
  5505. { "tx_1523_to_9022_byte_packets" },
  5506. { "rx_xon_frames" },
  5507. { "rx_xoff_frames" },
  5508. { "tx_xon_frames" },
  5509. { "tx_xoff_frames" },
  5510. { "rx_mac_ctrl_frames" },
  5511. { "rx_filtered_packets" },
  5512. { "rx_discards" },
  5513. { "rx_fw_discards" },
  5514. };
  5515. #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
  5516. static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
  5517. STATS_OFFSET32(stat_IfHCInOctets_hi),
  5518. STATS_OFFSET32(stat_IfHCInBadOctets_hi),
  5519. STATS_OFFSET32(stat_IfHCOutOctets_hi),
  5520. STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
  5521. STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
  5522. STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
  5523. STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
  5524. STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
  5525. STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
  5526. STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
  5527. STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
  5528. STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
  5529. STATS_OFFSET32(stat_Dot3StatsFCSErrors),
  5530. STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
  5531. STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
  5532. STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
  5533. STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
  5534. STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
  5535. STATS_OFFSET32(stat_Dot3StatsLateCollisions),
  5536. STATS_OFFSET32(stat_EtherStatsCollisions),
  5537. STATS_OFFSET32(stat_EtherStatsFragments),
  5538. STATS_OFFSET32(stat_EtherStatsJabbers),
  5539. STATS_OFFSET32(stat_EtherStatsUndersizePkts),
  5540. STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
  5541. STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
  5542. STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
  5543. STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
  5544. STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
  5545. STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
  5546. STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
  5547. STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
  5548. STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
  5549. STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
  5550. STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
  5551. STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
  5552. STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
  5553. STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
  5554. STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
  5555. STATS_OFFSET32(stat_XonPauseFramesReceived),
  5556. STATS_OFFSET32(stat_XoffPauseFramesReceived),
  5557. STATS_OFFSET32(stat_OutXonSent),
  5558. STATS_OFFSET32(stat_OutXoffSent),
  5559. STATS_OFFSET32(stat_MacControlFramesReceived),
  5560. STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
  5561. STATS_OFFSET32(stat_IfInMBUFDiscards),
  5562. STATS_OFFSET32(stat_FwRxDrop),
  5563. };
  5564. /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
  5565. * skipped because of errata.
  5566. */
  5567. static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
  5568. 8,0,8,8,8,8,8,8,8,8,
  5569. 4,0,4,4,4,4,4,4,4,4,
  5570. 4,4,4,4,4,4,4,4,4,4,
  5571. 4,4,4,4,4,4,4,4,4,4,
  5572. 4,4,4,4,4,4,
  5573. };
  5574. static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
  5575. 8,0,8,8,8,8,8,8,8,8,
  5576. 4,4,4,4,4,4,4,4,4,4,
  5577. 4,4,4,4,4,4,4,4,4,4,
  5578. 4,4,4,4,4,4,4,4,4,4,
  5579. 4,4,4,4,4,4,
  5580. };
  5581. #define BNX2_NUM_TESTS 6
  5582. static struct {
  5583. char string[ETH_GSTRING_LEN];
  5584. } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
  5585. { "register_test (offline)" },
  5586. { "memory_test (offline)" },
  5587. { "loopback_test (offline)" },
  5588. { "nvram_test (online)" },
  5589. { "interrupt_test (online)" },
  5590. { "link_test (online)" },
  5591. };
  5592. static int
  5593. bnx2_get_sset_count(struct net_device *dev, int sset)
  5594. {
  5595. switch (sset) {
  5596. case ETH_SS_TEST:
  5597. return BNX2_NUM_TESTS;
  5598. case ETH_SS_STATS:
  5599. return BNX2_NUM_STATS;
  5600. default:
  5601. return -EOPNOTSUPP;
  5602. }
  5603. }
  5604. static void
  5605. bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
  5606. {
  5607. struct bnx2 *bp = netdev_priv(dev);
  5608. memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
  5609. if (etest->flags & ETH_TEST_FL_OFFLINE) {
  5610. int i;
  5611. bnx2_netif_stop(bp);
  5612. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
  5613. bnx2_free_skbs(bp);
  5614. if (bnx2_test_registers(bp) != 0) {
  5615. buf[0] = 1;
  5616. etest->flags |= ETH_TEST_FL_FAILED;
  5617. }
  5618. if (bnx2_test_memory(bp) != 0) {
  5619. buf[1] = 1;
  5620. etest->flags |= ETH_TEST_FL_FAILED;
  5621. }
  5622. if ((buf[2] = bnx2_test_loopback(bp)) != 0)
  5623. etest->flags |= ETH_TEST_FL_FAILED;
  5624. if (!netif_running(bp->dev)) {
  5625. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
  5626. }
  5627. else {
  5628. bnx2_init_nic(bp, 1);
  5629. bnx2_netif_start(bp);
  5630. }
  5631. /* wait for link up */
  5632. for (i = 0; i < 7; i++) {
  5633. if (bp->link_up)
  5634. break;
  5635. msleep_interruptible(1000);
  5636. }
  5637. }
  5638. if (bnx2_test_nvram(bp) != 0) {
  5639. buf[3] = 1;
  5640. etest->flags |= ETH_TEST_FL_FAILED;
  5641. }
  5642. if (bnx2_test_intr(bp) != 0) {
  5643. buf[4] = 1;
  5644. etest->flags |= ETH_TEST_FL_FAILED;
  5645. }
  5646. if (bnx2_test_link(bp) != 0) {
  5647. buf[5] = 1;
  5648. etest->flags |= ETH_TEST_FL_FAILED;
  5649. }
  5650. }
  5651. static void
  5652. bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
  5653. {
  5654. switch (stringset) {
  5655. case ETH_SS_STATS:
  5656. memcpy(buf, bnx2_stats_str_arr,
  5657. sizeof(bnx2_stats_str_arr));
  5658. break;
  5659. case ETH_SS_TEST:
  5660. memcpy(buf, bnx2_tests_str_arr,
  5661. sizeof(bnx2_tests_str_arr));
  5662. break;
  5663. }
  5664. }
  5665. static void
  5666. bnx2_get_ethtool_stats(struct net_device *dev,
  5667. struct ethtool_stats *stats, u64 *buf)
  5668. {
  5669. struct bnx2 *bp = netdev_priv(dev);
  5670. int i;
  5671. u32 *hw_stats = (u32 *) bp->stats_blk;
  5672. u8 *stats_len_arr = NULL;
  5673. if (hw_stats == NULL) {
  5674. memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
  5675. return;
  5676. }
  5677. if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
  5678. (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
  5679. (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
  5680. (CHIP_ID(bp) == CHIP_ID_5708_A0))
  5681. stats_len_arr = bnx2_5706_stats_len_arr;
  5682. else
  5683. stats_len_arr = bnx2_5708_stats_len_arr;
  5684. for (i = 0; i < BNX2_NUM_STATS; i++) {
  5685. if (stats_len_arr[i] == 0) {
  5686. /* skip this counter */
  5687. buf[i] = 0;
  5688. continue;
  5689. }
  5690. if (stats_len_arr[i] == 4) {
  5691. /* 4-byte counter */
  5692. buf[i] = (u64)
  5693. *(hw_stats + bnx2_stats_offset_arr[i]);
  5694. continue;
  5695. }
  5696. /* 8-byte counter */
  5697. buf[i] = (((u64) *(hw_stats +
  5698. bnx2_stats_offset_arr[i])) << 32) +
  5699. *(hw_stats + bnx2_stats_offset_arr[i] + 1);
  5700. }
  5701. }
  5702. static int
  5703. bnx2_phys_id(struct net_device *dev, u32 data)
  5704. {
  5705. struct bnx2 *bp = netdev_priv(dev);
  5706. int i;
  5707. u32 save;
  5708. if (data == 0)
  5709. data = 2;
  5710. save = REG_RD(bp, BNX2_MISC_CFG);
  5711. REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
  5712. for (i = 0; i < (data * 2); i++) {
  5713. if ((i % 2) == 0) {
  5714. REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
  5715. }
  5716. else {
  5717. REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
  5718. BNX2_EMAC_LED_1000MB_OVERRIDE |
  5719. BNX2_EMAC_LED_100MB_OVERRIDE |
  5720. BNX2_EMAC_LED_10MB_OVERRIDE |
  5721. BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
  5722. BNX2_EMAC_LED_TRAFFIC);
  5723. }
  5724. msleep_interruptible(500);
  5725. if (signal_pending(current))
  5726. break;
  5727. }
  5728. REG_WR(bp, BNX2_EMAC_LED, 0);
  5729. REG_WR(bp, BNX2_MISC_CFG, save);
  5730. return 0;
  5731. }
  5732. static int
  5733. bnx2_set_tx_csum(struct net_device *dev, u32 data)
  5734. {
  5735. struct bnx2 *bp = netdev_priv(dev);
  5736. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  5737. return (ethtool_op_set_tx_ipv6_csum(dev, data));
  5738. else
  5739. return (ethtool_op_set_tx_csum(dev, data));
  5740. }
  5741. static const struct ethtool_ops bnx2_ethtool_ops = {
  5742. .get_settings = bnx2_get_settings,
  5743. .set_settings = bnx2_set_settings,
  5744. .get_drvinfo = bnx2_get_drvinfo,
  5745. .get_regs_len = bnx2_get_regs_len,
  5746. .get_regs = bnx2_get_regs,
  5747. .get_wol = bnx2_get_wol,
  5748. .set_wol = bnx2_set_wol,
  5749. .nway_reset = bnx2_nway_reset,
  5750. .get_link = ethtool_op_get_link,
  5751. .get_eeprom_len = bnx2_get_eeprom_len,
  5752. .get_eeprom = bnx2_get_eeprom,
  5753. .set_eeprom = bnx2_set_eeprom,
  5754. .get_coalesce = bnx2_get_coalesce,
  5755. .set_coalesce = bnx2_set_coalesce,
  5756. .get_ringparam = bnx2_get_ringparam,
  5757. .set_ringparam = bnx2_set_ringparam,
  5758. .get_pauseparam = bnx2_get_pauseparam,
  5759. .set_pauseparam = bnx2_set_pauseparam,
  5760. .get_rx_csum = bnx2_get_rx_csum,
  5761. .set_rx_csum = bnx2_set_rx_csum,
  5762. .set_tx_csum = bnx2_set_tx_csum,
  5763. .set_sg = ethtool_op_set_sg,
  5764. .set_tso = bnx2_set_tso,
  5765. .self_test = bnx2_self_test,
  5766. .get_strings = bnx2_get_strings,
  5767. .phys_id = bnx2_phys_id,
  5768. .get_ethtool_stats = bnx2_get_ethtool_stats,
  5769. .get_sset_count = bnx2_get_sset_count,
  5770. };
  5771. /* Called with rtnl_lock */
  5772. static int
  5773. bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  5774. {
  5775. struct mii_ioctl_data *data = if_mii(ifr);
  5776. struct bnx2 *bp = netdev_priv(dev);
  5777. int err;
  5778. switch(cmd) {
  5779. case SIOCGMIIPHY:
  5780. data->phy_id = bp->phy_addr;
  5781. /* fallthru */
  5782. case SIOCGMIIREG: {
  5783. u32 mii_regval;
  5784. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  5785. return -EOPNOTSUPP;
  5786. if (!netif_running(dev))
  5787. return -EAGAIN;
  5788. spin_lock_bh(&bp->phy_lock);
  5789. err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
  5790. spin_unlock_bh(&bp->phy_lock);
  5791. data->val_out = mii_regval;
  5792. return err;
  5793. }
  5794. case SIOCSMIIREG:
  5795. if (!capable(CAP_NET_ADMIN))
  5796. return -EPERM;
  5797. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  5798. return -EOPNOTSUPP;
  5799. if (!netif_running(dev))
  5800. return -EAGAIN;
  5801. spin_lock_bh(&bp->phy_lock);
  5802. err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
  5803. spin_unlock_bh(&bp->phy_lock);
  5804. return err;
  5805. default:
  5806. /* do nothing */
  5807. break;
  5808. }
  5809. return -EOPNOTSUPP;
  5810. }
  5811. /* Called with rtnl_lock */
  5812. static int
  5813. bnx2_change_mac_addr(struct net_device *dev, void *p)
  5814. {
  5815. struct sockaddr *addr = p;
  5816. struct bnx2 *bp = netdev_priv(dev);
  5817. if (!is_valid_ether_addr(addr->sa_data))
  5818. return -EINVAL;
  5819. memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
  5820. if (netif_running(dev))
  5821. bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
  5822. return 0;
  5823. }
  5824. /* Called with rtnl_lock */
  5825. static int
  5826. bnx2_change_mtu(struct net_device *dev, int new_mtu)
  5827. {
  5828. struct bnx2 *bp = netdev_priv(dev);
  5829. if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
  5830. ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
  5831. return -EINVAL;
  5832. dev->mtu = new_mtu;
  5833. return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
  5834. }
  5835. #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
  5836. static void
  5837. poll_bnx2(struct net_device *dev)
  5838. {
  5839. struct bnx2 *bp = netdev_priv(dev);
  5840. disable_irq(bp->pdev->irq);
  5841. bnx2_interrupt(bp->pdev->irq, dev);
  5842. enable_irq(bp->pdev->irq);
  5843. }
  5844. #endif
  5845. static void __devinit
  5846. bnx2_get_5709_media(struct bnx2 *bp)
  5847. {
  5848. u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
  5849. u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
  5850. u32 strap;
  5851. if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
  5852. return;
  5853. else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
  5854. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  5855. return;
  5856. }
  5857. if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
  5858. strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
  5859. else
  5860. strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
  5861. if (PCI_FUNC(bp->pdev->devfn) == 0) {
  5862. switch (strap) {
  5863. case 0x4:
  5864. case 0x5:
  5865. case 0x6:
  5866. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  5867. return;
  5868. }
  5869. } else {
  5870. switch (strap) {
  5871. case 0x1:
  5872. case 0x2:
  5873. case 0x4:
  5874. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  5875. return;
  5876. }
  5877. }
  5878. }
  5879. static void __devinit
  5880. bnx2_get_pci_speed(struct bnx2 *bp)
  5881. {
  5882. u32 reg;
  5883. reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
  5884. if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
  5885. u32 clkreg;
  5886. bp->flags |= BNX2_FLAG_PCIX;
  5887. clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
  5888. clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
  5889. switch (clkreg) {
  5890. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
  5891. bp->bus_speed_mhz = 133;
  5892. break;
  5893. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
  5894. bp->bus_speed_mhz = 100;
  5895. break;
  5896. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
  5897. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
  5898. bp->bus_speed_mhz = 66;
  5899. break;
  5900. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
  5901. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
  5902. bp->bus_speed_mhz = 50;
  5903. break;
  5904. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
  5905. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
  5906. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
  5907. bp->bus_speed_mhz = 33;
  5908. break;
  5909. }
  5910. }
  5911. else {
  5912. if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
  5913. bp->bus_speed_mhz = 66;
  5914. else
  5915. bp->bus_speed_mhz = 33;
  5916. }
  5917. if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
  5918. bp->flags |= BNX2_FLAG_PCI_32BIT;
  5919. }
  5920. static int __devinit
  5921. bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
  5922. {
  5923. struct bnx2 *bp;
  5924. unsigned long mem_len;
  5925. int rc, i, j;
  5926. u32 reg;
  5927. u64 dma_mask, persist_dma_mask;
  5928. SET_NETDEV_DEV(dev, &pdev->dev);
  5929. bp = netdev_priv(dev);
  5930. bp->flags = 0;
  5931. bp->phy_flags = 0;
  5932. /* enable device (incl. PCI PM wakeup), and bus-mastering */
  5933. rc = pci_enable_device(pdev);
  5934. if (rc) {
  5935. dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
  5936. goto err_out;
  5937. }
  5938. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  5939. dev_err(&pdev->dev,
  5940. "Cannot find PCI device base address, aborting.\n");
  5941. rc = -ENODEV;
  5942. goto err_out_disable;
  5943. }
  5944. rc = pci_request_regions(pdev, DRV_MODULE_NAME);
  5945. if (rc) {
  5946. dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
  5947. goto err_out_disable;
  5948. }
  5949. pci_set_master(pdev);
  5950. pci_save_state(pdev);
  5951. bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
  5952. if (bp->pm_cap == 0) {
  5953. dev_err(&pdev->dev,
  5954. "Cannot find power management capability, aborting.\n");
  5955. rc = -EIO;
  5956. goto err_out_release;
  5957. }
  5958. bp->dev = dev;
  5959. bp->pdev = pdev;
  5960. spin_lock_init(&bp->phy_lock);
  5961. spin_lock_init(&bp->indirect_lock);
  5962. INIT_WORK(&bp->reset_task, bnx2_reset_task);
  5963. dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
  5964. mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS);
  5965. dev->mem_end = dev->mem_start + mem_len;
  5966. dev->irq = pdev->irq;
  5967. bp->regview = ioremap_nocache(dev->base_addr, mem_len);
  5968. if (!bp->regview) {
  5969. dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
  5970. rc = -ENOMEM;
  5971. goto err_out_release;
  5972. }
  5973. /* Configure byte swap and enable write to the reg_window registers.
  5974. * Rely on CPU to do target byte swapping on big endian systems
  5975. * The chip's target access swapping will not swap all accesses
  5976. */
  5977. pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
  5978. BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  5979. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
  5980. bnx2_set_power_state(bp, PCI_D0);
  5981. bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
  5982. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  5983. if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
  5984. dev_err(&pdev->dev,
  5985. "Cannot find PCIE capability, aborting.\n");
  5986. rc = -EIO;
  5987. goto err_out_unmap;
  5988. }
  5989. bp->flags |= BNX2_FLAG_PCIE;
  5990. if (CHIP_REV(bp) == CHIP_REV_Ax)
  5991. bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
  5992. } else {
  5993. bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
  5994. if (bp->pcix_cap == 0) {
  5995. dev_err(&pdev->dev,
  5996. "Cannot find PCIX capability, aborting.\n");
  5997. rc = -EIO;
  5998. goto err_out_unmap;
  5999. }
  6000. }
  6001. if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
  6002. if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
  6003. bp->flags |= BNX2_FLAG_MSIX_CAP;
  6004. }
  6005. if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
  6006. if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
  6007. bp->flags |= BNX2_FLAG_MSI_CAP;
  6008. }
  6009. /* 5708 cannot support DMA addresses > 40-bit. */
  6010. if (CHIP_NUM(bp) == CHIP_NUM_5708)
  6011. persist_dma_mask = dma_mask = DMA_40BIT_MASK;
  6012. else
  6013. persist_dma_mask = dma_mask = DMA_64BIT_MASK;
  6014. /* Configure DMA attributes. */
  6015. if (pci_set_dma_mask(pdev, dma_mask) == 0) {
  6016. dev->features |= NETIF_F_HIGHDMA;
  6017. rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
  6018. if (rc) {
  6019. dev_err(&pdev->dev,
  6020. "pci_set_consistent_dma_mask failed, aborting.\n");
  6021. goto err_out_unmap;
  6022. }
  6023. } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
  6024. dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
  6025. goto err_out_unmap;
  6026. }
  6027. if (!(bp->flags & BNX2_FLAG_PCIE))
  6028. bnx2_get_pci_speed(bp);
  6029. /* 5706A0 may falsely detect SERR and PERR. */
  6030. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  6031. reg = REG_RD(bp, PCI_COMMAND);
  6032. reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
  6033. REG_WR(bp, PCI_COMMAND, reg);
  6034. }
  6035. else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
  6036. !(bp->flags & BNX2_FLAG_PCIX)) {
  6037. dev_err(&pdev->dev,
  6038. "5706 A1 can only be used in a PCIX bus, aborting.\n");
  6039. goto err_out_unmap;
  6040. }
  6041. bnx2_init_nvram(bp);
  6042. reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
  6043. if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
  6044. BNX2_SHM_HDR_SIGNATURE_SIG) {
  6045. u32 off = PCI_FUNC(pdev->devfn) << 2;
  6046. bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
  6047. } else
  6048. bp->shmem_base = HOST_VIEW_SHMEM_BASE;
  6049. /* Get the permanent MAC address. First we need to make sure the
  6050. * firmware is actually running.
  6051. */
  6052. reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
  6053. if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
  6054. BNX2_DEV_INFO_SIGNATURE_MAGIC) {
  6055. dev_err(&pdev->dev, "Firmware not running, aborting.\n");
  6056. rc = -ENODEV;
  6057. goto err_out_unmap;
  6058. }
  6059. reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
  6060. for (i = 0, j = 0; i < 3; i++) {
  6061. u8 num, k, skip0;
  6062. num = (u8) (reg >> (24 - (i * 8)));
  6063. for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
  6064. if (num >= k || !skip0 || k == 1) {
  6065. bp->fw_version[j++] = (num / k) + '0';
  6066. skip0 = 0;
  6067. }
  6068. }
  6069. if (i != 2)
  6070. bp->fw_version[j++] = '.';
  6071. }
  6072. reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
  6073. if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
  6074. bp->wol = 1;
  6075. if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
  6076. bp->flags |= BNX2_FLAG_ASF_ENABLE;
  6077. for (i = 0; i < 30; i++) {
  6078. reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
  6079. if (reg & BNX2_CONDITION_MFW_RUN_MASK)
  6080. break;
  6081. msleep(10);
  6082. }
  6083. }
  6084. reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
  6085. reg &= BNX2_CONDITION_MFW_RUN_MASK;
  6086. if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
  6087. reg != BNX2_CONDITION_MFW_RUN_NONE) {
  6088. u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
  6089. bp->fw_version[j++] = ' ';
  6090. for (i = 0; i < 3; i++) {
  6091. reg = bnx2_reg_rd_ind(bp, addr + i * 4);
  6092. reg = swab32(reg);
  6093. memcpy(&bp->fw_version[j], &reg, 4);
  6094. j += 4;
  6095. }
  6096. }
  6097. reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
  6098. bp->mac_addr[0] = (u8) (reg >> 8);
  6099. bp->mac_addr[1] = (u8) reg;
  6100. reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
  6101. bp->mac_addr[2] = (u8) (reg >> 24);
  6102. bp->mac_addr[3] = (u8) (reg >> 16);
  6103. bp->mac_addr[4] = (u8) (reg >> 8);
  6104. bp->mac_addr[5] = (u8) reg;
  6105. bp->tx_ring_size = MAX_TX_DESC_CNT;
  6106. bnx2_set_rx_ring_size(bp, 255);
  6107. bp->rx_csum = 1;
  6108. bp->tx_quick_cons_trip_int = 20;
  6109. bp->tx_quick_cons_trip = 20;
  6110. bp->tx_ticks_int = 80;
  6111. bp->tx_ticks = 80;
  6112. bp->rx_quick_cons_trip_int = 6;
  6113. bp->rx_quick_cons_trip = 6;
  6114. bp->rx_ticks_int = 18;
  6115. bp->rx_ticks = 18;
  6116. bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  6117. bp->timer_interval = HZ;
  6118. bp->current_interval = HZ;
  6119. bp->phy_addr = 1;
  6120. /* Disable WOL support if we are running on a SERDES chip. */
  6121. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  6122. bnx2_get_5709_media(bp);
  6123. else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
  6124. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  6125. bp->phy_port = PORT_TP;
  6126. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  6127. bp->phy_port = PORT_FIBRE;
  6128. reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
  6129. if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
  6130. bp->flags |= BNX2_FLAG_NO_WOL;
  6131. bp->wol = 0;
  6132. }
  6133. if (CHIP_NUM(bp) == CHIP_NUM_5706) {
  6134. /* Don't do parallel detect on this board because of
  6135. * some board problems. The link will not go down
  6136. * if we do parallel detect.
  6137. */
  6138. if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
  6139. pdev->subsystem_device == 0x310c)
  6140. bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
  6141. } else {
  6142. bp->phy_addr = 2;
  6143. if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
  6144. bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
  6145. }
  6146. } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
  6147. CHIP_NUM(bp) == CHIP_NUM_5708)
  6148. bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
  6149. else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
  6150. (CHIP_REV(bp) == CHIP_REV_Ax ||
  6151. CHIP_REV(bp) == CHIP_REV_Bx))
  6152. bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
  6153. bnx2_init_fw_cap(bp);
  6154. if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
  6155. (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
  6156. (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
  6157. bp->flags |= BNX2_FLAG_NO_WOL;
  6158. bp->wol = 0;
  6159. }
  6160. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  6161. bp->tx_quick_cons_trip_int =
  6162. bp->tx_quick_cons_trip;
  6163. bp->tx_ticks_int = bp->tx_ticks;
  6164. bp->rx_quick_cons_trip_int =
  6165. bp->rx_quick_cons_trip;
  6166. bp->rx_ticks_int = bp->rx_ticks;
  6167. bp->comp_prod_trip_int = bp->comp_prod_trip;
  6168. bp->com_ticks_int = bp->com_ticks;
  6169. bp->cmd_ticks_int = bp->cmd_ticks;
  6170. }
  6171. /* Disable MSI on 5706 if AMD 8132 bridge is found.
  6172. *
  6173. * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
  6174. * with byte enables disabled on the unused 32-bit word. This is legal
  6175. * but causes problems on the AMD 8132 which will eventually stop
  6176. * responding after a while.
  6177. *
  6178. * AMD believes this incompatibility is unique to the 5706, and
  6179. * prefers to locally disable MSI rather than globally disabling it.
  6180. */
  6181. if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
  6182. struct pci_dev *amd_8132 = NULL;
  6183. while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
  6184. PCI_DEVICE_ID_AMD_8132_BRIDGE,
  6185. amd_8132))) {
  6186. if (amd_8132->revision >= 0x10 &&
  6187. amd_8132->revision <= 0x13) {
  6188. disable_msi = 1;
  6189. pci_dev_put(amd_8132);
  6190. break;
  6191. }
  6192. }
  6193. }
  6194. bnx2_set_default_link(bp);
  6195. bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
  6196. init_timer(&bp->timer);
  6197. bp->timer.expires = RUN_AT(bp->timer_interval);
  6198. bp->timer.data = (unsigned long) bp;
  6199. bp->timer.function = bnx2_timer;
  6200. return 0;
  6201. err_out_unmap:
  6202. if (bp->regview) {
  6203. iounmap(bp->regview);
  6204. bp->regview = NULL;
  6205. }
  6206. err_out_release:
  6207. pci_release_regions(pdev);
  6208. err_out_disable:
  6209. pci_disable_device(pdev);
  6210. pci_set_drvdata(pdev, NULL);
  6211. err_out:
  6212. return rc;
  6213. }
  6214. static char * __devinit
  6215. bnx2_bus_string(struct bnx2 *bp, char *str)
  6216. {
  6217. char *s = str;
  6218. if (bp->flags & BNX2_FLAG_PCIE) {
  6219. s += sprintf(s, "PCI Express");
  6220. } else {
  6221. s += sprintf(s, "PCI");
  6222. if (bp->flags & BNX2_FLAG_PCIX)
  6223. s += sprintf(s, "-X");
  6224. if (bp->flags & BNX2_FLAG_PCI_32BIT)
  6225. s += sprintf(s, " 32-bit");
  6226. else
  6227. s += sprintf(s, " 64-bit");
  6228. s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
  6229. }
  6230. return str;
  6231. }
  6232. static void __devinit
  6233. bnx2_init_napi(struct bnx2 *bp)
  6234. {
  6235. int i;
  6236. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
  6237. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  6238. int (*poll)(struct napi_struct *, int);
  6239. if (i == 0)
  6240. poll = bnx2_poll;
  6241. else
  6242. poll = bnx2_poll_msix;
  6243. netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
  6244. bnapi->bp = bp;
  6245. }
  6246. }
  6247. static int __devinit
  6248. bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
  6249. {
  6250. static int version_printed = 0;
  6251. struct net_device *dev = NULL;
  6252. struct bnx2 *bp;
  6253. int rc;
  6254. char str[40];
  6255. DECLARE_MAC_BUF(mac);
  6256. if (version_printed++ == 0)
  6257. printk(KERN_INFO "%s", version);
  6258. /* dev zeroed in init_etherdev */
  6259. dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
  6260. if (!dev)
  6261. return -ENOMEM;
  6262. rc = bnx2_init_board(pdev, dev);
  6263. if (rc < 0) {
  6264. free_netdev(dev);
  6265. return rc;
  6266. }
  6267. dev->open = bnx2_open;
  6268. dev->hard_start_xmit = bnx2_start_xmit;
  6269. dev->stop = bnx2_close;
  6270. dev->get_stats = bnx2_get_stats;
  6271. dev->set_rx_mode = bnx2_set_rx_mode;
  6272. dev->do_ioctl = bnx2_ioctl;
  6273. dev->set_mac_address = bnx2_change_mac_addr;
  6274. dev->change_mtu = bnx2_change_mtu;
  6275. dev->tx_timeout = bnx2_tx_timeout;
  6276. dev->watchdog_timeo = TX_TIMEOUT;
  6277. #ifdef BCM_VLAN
  6278. dev->vlan_rx_register = bnx2_vlan_rx_register;
  6279. #endif
  6280. dev->ethtool_ops = &bnx2_ethtool_ops;
  6281. bp = netdev_priv(dev);
  6282. bnx2_init_napi(bp);
  6283. #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
  6284. dev->poll_controller = poll_bnx2;
  6285. #endif
  6286. pci_set_drvdata(pdev, dev);
  6287. memcpy(dev->dev_addr, bp->mac_addr, 6);
  6288. memcpy(dev->perm_addr, bp->mac_addr, 6);
  6289. bp->name = board_info[ent->driver_data].name;
  6290. dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
  6291. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  6292. dev->features |= NETIF_F_IPV6_CSUM;
  6293. #ifdef BCM_VLAN
  6294. dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
  6295. #endif
  6296. dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
  6297. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  6298. dev->features |= NETIF_F_TSO6;
  6299. if ((rc = register_netdev(dev))) {
  6300. dev_err(&pdev->dev, "Cannot register net device\n");
  6301. if (bp->regview)
  6302. iounmap(bp->regview);
  6303. pci_release_regions(pdev);
  6304. pci_disable_device(pdev);
  6305. pci_set_drvdata(pdev, NULL);
  6306. free_netdev(dev);
  6307. return rc;
  6308. }
  6309. printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
  6310. "IRQ %d, node addr %s\n",
  6311. dev->name,
  6312. bp->name,
  6313. ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
  6314. ((CHIP_ID(bp) & 0x0ff0) >> 4),
  6315. bnx2_bus_string(bp, str),
  6316. dev->base_addr,
  6317. bp->pdev->irq, print_mac(mac, dev->dev_addr));
  6318. return 0;
  6319. }
  6320. static void __devexit
  6321. bnx2_remove_one(struct pci_dev *pdev)
  6322. {
  6323. struct net_device *dev = pci_get_drvdata(pdev);
  6324. struct bnx2 *bp = netdev_priv(dev);
  6325. flush_scheduled_work();
  6326. unregister_netdev(dev);
  6327. if (bp->regview)
  6328. iounmap(bp->regview);
  6329. free_netdev(dev);
  6330. pci_release_regions(pdev);
  6331. pci_disable_device(pdev);
  6332. pci_set_drvdata(pdev, NULL);
  6333. }
  6334. static int
  6335. bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
  6336. {
  6337. struct net_device *dev = pci_get_drvdata(pdev);
  6338. struct bnx2 *bp = netdev_priv(dev);
  6339. u32 reset_code;
  6340. /* PCI register 4 needs to be saved whether netif_running() or not.
  6341. * MSI address and data need to be saved if using MSI and
  6342. * netif_running().
  6343. */
  6344. pci_save_state(pdev);
  6345. if (!netif_running(dev))
  6346. return 0;
  6347. flush_scheduled_work();
  6348. bnx2_netif_stop(bp);
  6349. netif_device_detach(dev);
  6350. del_timer_sync(&bp->timer);
  6351. if (bp->flags & BNX2_FLAG_NO_WOL)
  6352. reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
  6353. else if (bp->wol)
  6354. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  6355. else
  6356. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  6357. bnx2_reset_chip(bp, reset_code);
  6358. bnx2_free_skbs(bp);
  6359. bnx2_set_power_state(bp, pci_choose_state(pdev, state));
  6360. return 0;
  6361. }
  6362. static int
  6363. bnx2_resume(struct pci_dev *pdev)
  6364. {
  6365. struct net_device *dev = pci_get_drvdata(pdev);
  6366. struct bnx2 *bp = netdev_priv(dev);
  6367. pci_restore_state(pdev);
  6368. if (!netif_running(dev))
  6369. return 0;
  6370. bnx2_set_power_state(bp, PCI_D0);
  6371. netif_device_attach(dev);
  6372. bnx2_init_nic(bp, 1);
  6373. bnx2_netif_start(bp);
  6374. return 0;
  6375. }
  6376. /**
  6377. * bnx2_io_error_detected - called when PCI error is detected
  6378. * @pdev: Pointer to PCI device
  6379. * @state: The current pci connection state
  6380. *
  6381. * This function is called after a PCI bus error affecting
  6382. * this device has been detected.
  6383. */
  6384. static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
  6385. pci_channel_state_t state)
  6386. {
  6387. struct net_device *dev = pci_get_drvdata(pdev);
  6388. struct bnx2 *bp = netdev_priv(dev);
  6389. rtnl_lock();
  6390. netif_device_detach(dev);
  6391. if (netif_running(dev)) {
  6392. bnx2_netif_stop(bp);
  6393. del_timer_sync(&bp->timer);
  6394. bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
  6395. }
  6396. pci_disable_device(pdev);
  6397. rtnl_unlock();
  6398. /* Request a slot slot reset. */
  6399. return PCI_ERS_RESULT_NEED_RESET;
  6400. }
  6401. /**
  6402. * bnx2_io_slot_reset - called after the pci bus has been reset.
  6403. * @pdev: Pointer to PCI device
  6404. *
  6405. * Restart the card from scratch, as if from a cold-boot.
  6406. */
  6407. static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
  6408. {
  6409. struct net_device *dev = pci_get_drvdata(pdev);
  6410. struct bnx2 *bp = netdev_priv(dev);
  6411. rtnl_lock();
  6412. if (pci_enable_device(pdev)) {
  6413. dev_err(&pdev->dev,
  6414. "Cannot re-enable PCI device after reset.\n");
  6415. rtnl_unlock();
  6416. return PCI_ERS_RESULT_DISCONNECT;
  6417. }
  6418. pci_set_master(pdev);
  6419. pci_restore_state(pdev);
  6420. if (netif_running(dev)) {
  6421. bnx2_set_power_state(bp, PCI_D0);
  6422. bnx2_init_nic(bp, 1);
  6423. }
  6424. rtnl_unlock();
  6425. return PCI_ERS_RESULT_RECOVERED;
  6426. }
  6427. /**
  6428. * bnx2_io_resume - called when traffic can start flowing again.
  6429. * @pdev: Pointer to PCI device
  6430. *
  6431. * This callback is called when the error recovery driver tells us that
  6432. * its OK to resume normal operation.
  6433. */
  6434. static void bnx2_io_resume(struct pci_dev *pdev)
  6435. {
  6436. struct net_device *dev = pci_get_drvdata(pdev);
  6437. struct bnx2 *bp = netdev_priv(dev);
  6438. rtnl_lock();
  6439. if (netif_running(dev))
  6440. bnx2_netif_start(bp);
  6441. netif_device_attach(dev);
  6442. rtnl_unlock();
  6443. }
  6444. static struct pci_error_handlers bnx2_err_handler = {
  6445. .error_detected = bnx2_io_error_detected,
  6446. .slot_reset = bnx2_io_slot_reset,
  6447. .resume = bnx2_io_resume,
  6448. };
  6449. static struct pci_driver bnx2_pci_driver = {
  6450. .name = DRV_MODULE_NAME,
  6451. .id_table = bnx2_pci_tbl,
  6452. .probe = bnx2_init_one,
  6453. .remove = __devexit_p(bnx2_remove_one),
  6454. .suspend = bnx2_suspend,
  6455. .resume = bnx2_resume,
  6456. .err_handler = &bnx2_err_handler,
  6457. };
  6458. static int __init bnx2_init(void)
  6459. {
  6460. return pci_register_driver(&bnx2_pci_driver);
  6461. }
  6462. static void __exit bnx2_cleanup(void)
  6463. {
  6464. pci_unregister_driver(&bnx2_pci_driver);
  6465. }
  6466. module_init(bnx2_init);
  6467. module_exit(bnx2_cleanup);