bnx2.c 167 KB

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  1. /* bnx2.c: Broadcom NX2 network driver.
  2. *
  3. * Copyright (c) 2004-2007 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 <asm/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 "bnx2.h"
  48. #include "bnx2_fw.h"
  49. #include "bnx2_fw2.h"
  50. #define DRV_MODULE_NAME "bnx2"
  51. #define PFX DRV_MODULE_NAME ": "
  52. #define DRV_MODULE_VERSION "1.6.3"
  53. #define DRV_MODULE_RELDATE "July 16, 2007"
  54. #define RUN_AT(x) (jiffies + (x))
  55. /* Time in jiffies before concluding the transmitter is hung. */
  56. #define TX_TIMEOUT (5*HZ)
  57. static const char version[] __devinitdata =
  58. "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  59. MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
  60. MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
  61. MODULE_LICENSE("GPL");
  62. MODULE_VERSION(DRV_MODULE_VERSION);
  63. static int disable_msi = 0;
  64. module_param(disable_msi, int, 0);
  65. MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
  66. typedef enum {
  67. BCM5706 = 0,
  68. NC370T,
  69. NC370I,
  70. BCM5706S,
  71. NC370F,
  72. BCM5708,
  73. BCM5708S,
  74. BCM5709,
  75. BCM5709S,
  76. } board_t;
  77. /* indexed by board_t, above */
  78. static const struct {
  79. char *name;
  80. } board_info[] __devinitdata = {
  81. { "Broadcom NetXtreme II BCM5706 1000Base-T" },
  82. { "HP NC370T Multifunction Gigabit Server Adapter" },
  83. { "HP NC370i Multifunction Gigabit Server Adapter" },
  84. { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
  85. { "HP NC370F Multifunction Gigabit Server Adapter" },
  86. { "Broadcom NetXtreme II BCM5708 1000Base-T" },
  87. { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
  88. { "Broadcom NetXtreme II BCM5709 1000Base-T" },
  89. { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
  90. };
  91. static struct pci_device_id bnx2_pci_tbl[] = {
  92. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  93. PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
  94. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  95. PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
  96. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  97. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
  98. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
  99. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
  100. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  101. PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
  102. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  103. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
  104. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
  105. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
  106. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
  107. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
  108. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
  109. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
  110. { 0, }
  111. };
  112. static struct flash_spec flash_table[] =
  113. {
  114. #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
  115. #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
  116. /* Slow EEPROM */
  117. {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
  118. BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
  119. SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
  120. "EEPROM - slow"},
  121. /* Expansion entry 0001 */
  122. {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
  123. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  124. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  125. "Entry 0001"},
  126. /* Saifun SA25F010 (non-buffered flash) */
  127. /* strap, cfg1, & write1 need updates */
  128. {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
  129. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  130. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
  131. "Non-buffered flash (128kB)"},
  132. /* Saifun SA25F020 (non-buffered flash) */
  133. /* strap, cfg1, & write1 need updates */
  134. {0x0c000003, 0x4f808201, 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*4,
  137. "Non-buffered flash (256kB)"},
  138. /* Expansion entry 0100 */
  139. {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
  140. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  141. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  142. "Entry 0100"},
  143. /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
  144. {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
  145. NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
  146. ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
  147. "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
  148. /* Entry 0110: ST M45PE20 (non-buffered flash)*/
  149. {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
  150. NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
  151. ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
  152. "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
  153. /* Saifun SA25F005 (non-buffered flash) */
  154. /* strap, cfg1, & write1 need updates */
  155. {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
  156. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  157. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
  158. "Non-buffered flash (64kB)"},
  159. /* Fast EEPROM */
  160. {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
  161. BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
  162. SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
  163. "EEPROM - fast"},
  164. /* Expansion entry 1001 */
  165. {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
  166. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  167. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  168. "Entry 1001"},
  169. /* Expansion entry 1010 */
  170. {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
  171. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  172. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  173. "Entry 1010"},
  174. /* ATMEL AT45DB011B (buffered flash) */
  175. {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
  176. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  177. BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
  178. "Buffered flash (128kB)"},
  179. /* Expansion entry 1100 */
  180. {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
  181. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  182. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  183. "Entry 1100"},
  184. /* Expansion entry 1101 */
  185. {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
  186. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  187. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  188. "Entry 1101"},
  189. /* Ateml Expansion entry 1110 */
  190. {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
  191. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  192. BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
  193. "Entry 1110 (Atmel)"},
  194. /* ATMEL AT45DB021B (buffered flash) */
  195. {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
  196. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  197. BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
  198. "Buffered flash (256kB)"},
  199. };
  200. static struct flash_spec flash_5709 = {
  201. .flags = BNX2_NV_BUFFERED,
  202. .page_bits = BCM5709_FLASH_PAGE_BITS,
  203. .page_size = BCM5709_FLASH_PAGE_SIZE,
  204. .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
  205. .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
  206. .name = "5709 Buffered flash (256kB)",
  207. };
  208. MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
  209. static inline u32 bnx2_tx_avail(struct bnx2 *bp)
  210. {
  211. u32 diff;
  212. smp_mb();
  213. /* The ring uses 256 indices for 255 entries, one of them
  214. * needs to be skipped.
  215. */
  216. diff = bp->tx_prod - bp->tx_cons;
  217. if (unlikely(diff >= TX_DESC_CNT)) {
  218. diff &= 0xffff;
  219. if (diff == TX_DESC_CNT)
  220. diff = MAX_TX_DESC_CNT;
  221. }
  222. return (bp->tx_ring_size - diff);
  223. }
  224. static u32
  225. bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
  226. {
  227. u32 val;
  228. spin_lock_bh(&bp->indirect_lock);
  229. REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
  230. val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
  231. spin_unlock_bh(&bp->indirect_lock);
  232. return val;
  233. }
  234. static void
  235. bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
  236. {
  237. spin_lock_bh(&bp->indirect_lock);
  238. REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
  239. REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
  240. spin_unlock_bh(&bp->indirect_lock);
  241. }
  242. static void
  243. bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
  244. {
  245. offset += cid_addr;
  246. spin_lock_bh(&bp->indirect_lock);
  247. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  248. int i;
  249. REG_WR(bp, BNX2_CTX_CTX_DATA, val);
  250. REG_WR(bp, BNX2_CTX_CTX_CTRL,
  251. offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
  252. for (i = 0; i < 5; i++) {
  253. u32 val;
  254. val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
  255. if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
  256. break;
  257. udelay(5);
  258. }
  259. } else {
  260. REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
  261. REG_WR(bp, BNX2_CTX_DATA, val);
  262. }
  263. spin_unlock_bh(&bp->indirect_lock);
  264. }
  265. static int
  266. bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
  267. {
  268. u32 val1;
  269. int i, ret;
  270. if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
  271. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  272. val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  273. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  274. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  275. udelay(40);
  276. }
  277. val1 = (bp->phy_addr << 21) | (reg << 16) |
  278. BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
  279. BNX2_EMAC_MDIO_COMM_START_BUSY;
  280. REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
  281. for (i = 0; i < 50; i++) {
  282. udelay(10);
  283. val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
  284. if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
  285. udelay(5);
  286. val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
  287. val1 &= BNX2_EMAC_MDIO_COMM_DATA;
  288. break;
  289. }
  290. }
  291. if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
  292. *val = 0x0;
  293. ret = -EBUSY;
  294. }
  295. else {
  296. *val = val1;
  297. ret = 0;
  298. }
  299. if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
  300. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  301. val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  302. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  303. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  304. udelay(40);
  305. }
  306. return ret;
  307. }
  308. static int
  309. bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
  310. {
  311. u32 val1;
  312. int i, ret;
  313. if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
  314. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  315. val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  316. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  317. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  318. udelay(40);
  319. }
  320. val1 = (bp->phy_addr << 21) | (reg << 16) | val |
  321. BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
  322. BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
  323. REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
  324. for (i = 0; i < 50; i++) {
  325. udelay(10);
  326. val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
  327. if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
  328. udelay(5);
  329. break;
  330. }
  331. }
  332. if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
  333. ret = -EBUSY;
  334. else
  335. ret = 0;
  336. if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
  337. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  338. val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  339. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  340. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  341. udelay(40);
  342. }
  343. return ret;
  344. }
  345. static void
  346. bnx2_disable_int(struct bnx2 *bp)
  347. {
  348. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  349. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  350. REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
  351. }
  352. static void
  353. bnx2_enable_int(struct bnx2 *bp)
  354. {
  355. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  356. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  357. BNX2_PCICFG_INT_ACK_CMD_MASK_INT | bp->last_status_idx);
  358. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  359. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
  360. REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
  361. }
  362. static void
  363. bnx2_disable_int_sync(struct bnx2 *bp)
  364. {
  365. atomic_inc(&bp->intr_sem);
  366. bnx2_disable_int(bp);
  367. synchronize_irq(bp->pdev->irq);
  368. }
  369. static void
  370. bnx2_netif_stop(struct bnx2 *bp)
  371. {
  372. bnx2_disable_int_sync(bp);
  373. if (netif_running(bp->dev)) {
  374. netif_poll_disable(bp->dev);
  375. netif_tx_disable(bp->dev);
  376. bp->dev->trans_start = jiffies; /* prevent tx timeout */
  377. }
  378. }
  379. static void
  380. bnx2_netif_start(struct bnx2 *bp)
  381. {
  382. if (atomic_dec_and_test(&bp->intr_sem)) {
  383. if (netif_running(bp->dev)) {
  384. netif_wake_queue(bp->dev);
  385. netif_poll_enable(bp->dev);
  386. bnx2_enable_int(bp);
  387. }
  388. }
  389. }
  390. static void
  391. bnx2_free_mem(struct bnx2 *bp)
  392. {
  393. int i;
  394. for (i = 0; i < bp->ctx_pages; i++) {
  395. if (bp->ctx_blk[i]) {
  396. pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
  397. bp->ctx_blk[i],
  398. bp->ctx_blk_mapping[i]);
  399. bp->ctx_blk[i] = NULL;
  400. }
  401. }
  402. if (bp->status_blk) {
  403. pci_free_consistent(bp->pdev, bp->status_stats_size,
  404. bp->status_blk, bp->status_blk_mapping);
  405. bp->status_blk = NULL;
  406. bp->stats_blk = NULL;
  407. }
  408. if (bp->tx_desc_ring) {
  409. pci_free_consistent(bp->pdev,
  410. sizeof(struct tx_bd) * TX_DESC_CNT,
  411. bp->tx_desc_ring, bp->tx_desc_mapping);
  412. bp->tx_desc_ring = NULL;
  413. }
  414. kfree(bp->tx_buf_ring);
  415. bp->tx_buf_ring = NULL;
  416. for (i = 0; i < bp->rx_max_ring; i++) {
  417. if (bp->rx_desc_ring[i])
  418. pci_free_consistent(bp->pdev,
  419. sizeof(struct rx_bd) * RX_DESC_CNT,
  420. bp->rx_desc_ring[i],
  421. bp->rx_desc_mapping[i]);
  422. bp->rx_desc_ring[i] = NULL;
  423. }
  424. vfree(bp->rx_buf_ring);
  425. bp->rx_buf_ring = NULL;
  426. }
  427. static int
  428. bnx2_alloc_mem(struct bnx2 *bp)
  429. {
  430. int i, status_blk_size;
  431. bp->tx_buf_ring = kzalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
  432. GFP_KERNEL);
  433. if (bp->tx_buf_ring == NULL)
  434. return -ENOMEM;
  435. bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
  436. sizeof(struct tx_bd) *
  437. TX_DESC_CNT,
  438. &bp->tx_desc_mapping);
  439. if (bp->tx_desc_ring == NULL)
  440. goto alloc_mem_err;
  441. bp->rx_buf_ring = vmalloc(sizeof(struct sw_bd) * RX_DESC_CNT *
  442. bp->rx_max_ring);
  443. if (bp->rx_buf_ring == NULL)
  444. goto alloc_mem_err;
  445. memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT *
  446. bp->rx_max_ring);
  447. for (i = 0; i < bp->rx_max_ring; i++) {
  448. bp->rx_desc_ring[i] =
  449. pci_alloc_consistent(bp->pdev,
  450. sizeof(struct rx_bd) * RX_DESC_CNT,
  451. &bp->rx_desc_mapping[i]);
  452. if (bp->rx_desc_ring[i] == NULL)
  453. goto alloc_mem_err;
  454. }
  455. /* Combine status and statistics blocks into one allocation. */
  456. status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
  457. bp->status_stats_size = status_blk_size +
  458. sizeof(struct statistics_block);
  459. bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
  460. &bp->status_blk_mapping);
  461. if (bp->status_blk == NULL)
  462. goto alloc_mem_err;
  463. memset(bp->status_blk, 0, bp->status_stats_size);
  464. bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
  465. status_blk_size);
  466. bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
  467. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  468. bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
  469. if (bp->ctx_pages == 0)
  470. bp->ctx_pages = 1;
  471. for (i = 0; i < bp->ctx_pages; i++) {
  472. bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
  473. BCM_PAGE_SIZE,
  474. &bp->ctx_blk_mapping[i]);
  475. if (bp->ctx_blk[i] == NULL)
  476. goto alloc_mem_err;
  477. }
  478. }
  479. return 0;
  480. alloc_mem_err:
  481. bnx2_free_mem(bp);
  482. return -ENOMEM;
  483. }
  484. static void
  485. bnx2_report_fw_link(struct bnx2 *bp)
  486. {
  487. u32 fw_link_status = 0;
  488. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
  489. return;
  490. if (bp->link_up) {
  491. u32 bmsr;
  492. switch (bp->line_speed) {
  493. case SPEED_10:
  494. if (bp->duplex == DUPLEX_HALF)
  495. fw_link_status = BNX2_LINK_STATUS_10HALF;
  496. else
  497. fw_link_status = BNX2_LINK_STATUS_10FULL;
  498. break;
  499. case SPEED_100:
  500. if (bp->duplex == DUPLEX_HALF)
  501. fw_link_status = BNX2_LINK_STATUS_100HALF;
  502. else
  503. fw_link_status = BNX2_LINK_STATUS_100FULL;
  504. break;
  505. case SPEED_1000:
  506. if (bp->duplex == DUPLEX_HALF)
  507. fw_link_status = BNX2_LINK_STATUS_1000HALF;
  508. else
  509. fw_link_status = BNX2_LINK_STATUS_1000FULL;
  510. break;
  511. case SPEED_2500:
  512. if (bp->duplex == DUPLEX_HALF)
  513. fw_link_status = BNX2_LINK_STATUS_2500HALF;
  514. else
  515. fw_link_status = BNX2_LINK_STATUS_2500FULL;
  516. break;
  517. }
  518. fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
  519. if (bp->autoneg) {
  520. fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
  521. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  522. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  523. if (!(bmsr & BMSR_ANEGCOMPLETE) ||
  524. bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
  525. fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
  526. else
  527. fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
  528. }
  529. }
  530. else
  531. fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
  532. REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
  533. }
  534. static char *
  535. bnx2_xceiver_str(struct bnx2 *bp)
  536. {
  537. return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
  538. ((bp->phy_flags & PHY_SERDES_FLAG) ? "Remote Copper" :
  539. "Copper"));
  540. }
  541. static void
  542. bnx2_report_link(struct bnx2 *bp)
  543. {
  544. if (bp->link_up) {
  545. netif_carrier_on(bp->dev);
  546. printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
  547. bnx2_xceiver_str(bp));
  548. printk("%d Mbps ", bp->line_speed);
  549. if (bp->duplex == DUPLEX_FULL)
  550. printk("full duplex");
  551. else
  552. printk("half duplex");
  553. if (bp->flow_ctrl) {
  554. if (bp->flow_ctrl & FLOW_CTRL_RX) {
  555. printk(", receive ");
  556. if (bp->flow_ctrl & FLOW_CTRL_TX)
  557. printk("& transmit ");
  558. }
  559. else {
  560. printk(", transmit ");
  561. }
  562. printk("flow control ON");
  563. }
  564. printk("\n");
  565. }
  566. else {
  567. netif_carrier_off(bp->dev);
  568. printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
  569. bnx2_xceiver_str(bp));
  570. }
  571. bnx2_report_fw_link(bp);
  572. }
  573. static void
  574. bnx2_resolve_flow_ctrl(struct bnx2 *bp)
  575. {
  576. u32 local_adv, remote_adv;
  577. bp->flow_ctrl = 0;
  578. if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
  579. (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
  580. if (bp->duplex == DUPLEX_FULL) {
  581. bp->flow_ctrl = bp->req_flow_ctrl;
  582. }
  583. return;
  584. }
  585. if (bp->duplex != DUPLEX_FULL) {
  586. return;
  587. }
  588. if ((bp->phy_flags & PHY_SERDES_FLAG) &&
  589. (CHIP_NUM(bp) == CHIP_NUM_5708)) {
  590. u32 val;
  591. bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
  592. if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
  593. bp->flow_ctrl |= FLOW_CTRL_TX;
  594. if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
  595. bp->flow_ctrl |= FLOW_CTRL_RX;
  596. return;
  597. }
  598. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  599. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  600. if (bp->phy_flags & PHY_SERDES_FLAG) {
  601. u32 new_local_adv = 0;
  602. u32 new_remote_adv = 0;
  603. if (local_adv & ADVERTISE_1000XPAUSE)
  604. new_local_adv |= ADVERTISE_PAUSE_CAP;
  605. if (local_adv & ADVERTISE_1000XPSE_ASYM)
  606. new_local_adv |= ADVERTISE_PAUSE_ASYM;
  607. if (remote_adv & ADVERTISE_1000XPAUSE)
  608. new_remote_adv |= ADVERTISE_PAUSE_CAP;
  609. if (remote_adv & ADVERTISE_1000XPSE_ASYM)
  610. new_remote_adv |= ADVERTISE_PAUSE_ASYM;
  611. local_adv = new_local_adv;
  612. remote_adv = new_remote_adv;
  613. }
  614. /* See Table 28B-3 of 802.3ab-1999 spec. */
  615. if (local_adv & ADVERTISE_PAUSE_CAP) {
  616. if(local_adv & ADVERTISE_PAUSE_ASYM) {
  617. if (remote_adv & ADVERTISE_PAUSE_CAP) {
  618. bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
  619. }
  620. else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
  621. bp->flow_ctrl = FLOW_CTRL_RX;
  622. }
  623. }
  624. else {
  625. if (remote_adv & ADVERTISE_PAUSE_CAP) {
  626. bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
  627. }
  628. }
  629. }
  630. else if (local_adv & ADVERTISE_PAUSE_ASYM) {
  631. if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
  632. (remote_adv & ADVERTISE_PAUSE_ASYM)) {
  633. bp->flow_ctrl = FLOW_CTRL_TX;
  634. }
  635. }
  636. }
  637. static int
  638. bnx2_5709s_linkup(struct bnx2 *bp)
  639. {
  640. u32 val, speed;
  641. bp->link_up = 1;
  642. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
  643. bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
  644. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  645. if ((bp->autoneg & AUTONEG_SPEED) == 0) {
  646. bp->line_speed = bp->req_line_speed;
  647. bp->duplex = bp->req_duplex;
  648. return 0;
  649. }
  650. speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
  651. switch (speed) {
  652. case MII_BNX2_GP_TOP_AN_SPEED_10:
  653. bp->line_speed = SPEED_10;
  654. break;
  655. case MII_BNX2_GP_TOP_AN_SPEED_100:
  656. bp->line_speed = SPEED_100;
  657. break;
  658. case MII_BNX2_GP_TOP_AN_SPEED_1G:
  659. case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
  660. bp->line_speed = SPEED_1000;
  661. break;
  662. case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
  663. bp->line_speed = SPEED_2500;
  664. break;
  665. }
  666. if (val & MII_BNX2_GP_TOP_AN_FD)
  667. bp->duplex = DUPLEX_FULL;
  668. else
  669. bp->duplex = DUPLEX_HALF;
  670. return 0;
  671. }
  672. static int
  673. bnx2_5708s_linkup(struct bnx2 *bp)
  674. {
  675. u32 val;
  676. bp->link_up = 1;
  677. bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
  678. switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
  679. case BCM5708S_1000X_STAT1_SPEED_10:
  680. bp->line_speed = SPEED_10;
  681. break;
  682. case BCM5708S_1000X_STAT1_SPEED_100:
  683. bp->line_speed = SPEED_100;
  684. break;
  685. case BCM5708S_1000X_STAT1_SPEED_1G:
  686. bp->line_speed = SPEED_1000;
  687. break;
  688. case BCM5708S_1000X_STAT1_SPEED_2G5:
  689. bp->line_speed = SPEED_2500;
  690. break;
  691. }
  692. if (val & BCM5708S_1000X_STAT1_FD)
  693. bp->duplex = DUPLEX_FULL;
  694. else
  695. bp->duplex = DUPLEX_HALF;
  696. return 0;
  697. }
  698. static int
  699. bnx2_5706s_linkup(struct bnx2 *bp)
  700. {
  701. u32 bmcr, local_adv, remote_adv, common;
  702. bp->link_up = 1;
  703. bp->line_speed = SPEED_1000;
  704. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  705. if (bmcr & BMCR_FULLDPLX) {
  706. bp->duplex = DUPLEX_FULL;
  707. }
  708. else {
  709. bp->duplex = DUPLEX_HALF;
  710. }
  711. if (!(bmcr & BMCR_ANENABLE)) {
  712. return 0;
  713. }
  714. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  715. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  716. common = local_adv & remote_adv;
  717. if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
  718. if (common & ADVERTISE_1000XFULL) {
  719. bp->duplex = DUPLEX_FULL;
  720. }
  721. else {
  722. bp->duplex = DUPLEX_HALF;
  723. }
  724. }
  725. return 0;
  726. }
  727. static int
  728. bnx2_copper_linkup(struct bnx2 *bp)
  729. {
  730. u32 bmcr;
  731. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  732. if (bmcr & BMCR_ANENABLE) {
  733. u32 local_adv, remote_adv, common;
  734. bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
  735. bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
  736. common = local_adv & (remote_adv >> 2);
  737. if (common & ADVERTISE_1000FULL) {
  738. bp->line_speed = SPEED_1000;
  739. bp->duplex = DUPLEX_FULL;
  740. }
  741. else if (common & ADVERTISE_1000HALF) {
  742. bp->line_speed = SPEED_1000;
  743. bp->duplex = DUPLEX_HALF;
  744. }
  745. else {
  746. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  747. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  748. common = local_adv & remote_adv;
  749. if (common & ADVERTISE_100FULL) {
  750. bp->line_speed = SPEED_100;
  751. bp->duplex = DUPLEX_FULL;
  752. }
  753. else if (common & ADVERTISE_100HALF) {
  754. bp->line_speed = SPEED_100;
  755. bp->duplex = DUPLEX_HALF;
  756. }
  757. else if (common & ADVERTISE_10FULL) {
  758. bp->line_speed = SPEED_10;
  759. bp->duplex = DUPLEX_FULL;
  760. }
  761. else if (common & ADVERTISE_10HALF) {
  762. bp->line_speed = SPEED_10;
  763. bp->duplex = DUPLEX_HALF;
  764. }
  765. else {
  766. bp->line_speed = 0;
  767. bp->link_up = 0;
  768. }
  769. }
  770. }
  771. else {
  772. if (bmcr & BMCR_SPEED100) {
  773. bp->line_speed = SPEED_100;
  774. }
  775. else {
  776. bp->line_speed = SPEED_10;
  777. }
  778. if (bmcr & BMCR_FULLDPLX) {
  779. bp->duplex = DUPLEX_FULL;
  780. }
  781. else {
  782. bp->duplex = DUPLEX_HALF;
  783. }
  784. }
  785. return 0;
  786. }
  787. static int
  788. bnx2_set_mac_link(struct bnx2 *bp)
  789. {
  790. u32 val;
  791. REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
  792. if (bp->link_up && (bp->line_speed == SPEED_1000) &&
  793. (bp->duplex == DUPLEX_HALF)) {
  794. REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
  795. }
  796. /* Configure the EMAC mode register. */
  797. val = REG_RD(bp, BNX2_EMAC_MODE);
  798. val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
  799. BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
  800. BNX2_EMAC_MODE_25G_MODE);
  801. if (bp->link_up) {
  802. switch (bp->line_speed) {
  803. case SPEED_10:
  804. if (CHIP_NUM(bp) != CHIP_NUM_5706) {
  805. val |= BNX2_EMAC_MODE_PORT_MII_10M;
  806. break;
  807. }
  808. /* fall through */
  809. case SPEED_100:
  810. val |= BNX2_EMAC_MODE_PORT_MII;
  811. break;
  812. case SPEED_2500:
  813. val |= BNX2_EMAC_MODE_25G_MODE;
  814. /* fall through */
  815. case SPEED_1000:
  816. val |= BNX2_EMAC_MODE_PORT_GMII;
  817. break;
  818. }
  819. }
  820. else {
  821. val |= BNX2_EMAC_MODE_PORT_GMII;
  822. }
  823. /* Set the MAC to operate in the appropriate duplex mode. */
  824. if (bp->duplex == DUPLEX_HALF)
  825. val |= BNX2_EMAC_MODE_HALF_DUPLEX;
  826. REG_WR(bp, BNX2_EMAC_MODE, val);
  827. /* Enable/disable rx PAUSE. */
  828. bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
  829. if (bp->flow_ctrl & FLOW_CTRL_RX)
  830. bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
  831. REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
  832. /* Enable/disable tx PAUSE. */
  833. val = REG_RD(bp, BNX2_EMAC_TX_MODE);
  834. val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
  835. if (bp->flow_ctrl & FLOW_CTRL_TX)
  836. val |= BNX2_EMAC_TX_MODE_FLOW_EN;
  837. REG_WR(bp, BNX2_EMAC_TX_MODE, val);
  838. /* Acknowledge the interrupt. */
  839. REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
  840. return 0;
  841. }
  842. static void
  843. bnx2_enable_bmsr1(struct bnx2 *bp)
  844. {
  845. if ((bp->phy_flags & PHY_SERDES_FLAG) &&
  846. (CHIP_NUM(bp) == CHIP_NUM_5709))
  847. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  848. MII_BNX2_BLK_ADDR_GP_STATUS);
  849. }
  850. static void
  851. bnx2_disable_bmsr1(struct bnx2 *bp)
  852. {
  853. if ((bp->phy_flags & PHY_SERDES_FLAG) &&
  854. (CHIP_NUM(bp) == CHIP_NUM_5709))
  855. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  856. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  857. }
  858. static int
  859. bnx2_test_and_enable_2g5(struct bnx2 *bp)
  860. {
  861. u32 up1;
  862. int ret = 1;
  863. if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
  864. return 0;
  865. if (bp->autoneg & AUTONEG_SPEED)
  866. bp->advertising |= ADVERTISED_2500baseX_Full;
  867. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  868. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  869. bnx2_read_phy(bp, bp->mii_up1, &up1);
  870. if (!(up1 & BCM5708S_UP1_2G5)) {
  871. up1 |= BCM5708S_UP1_2G5;
  872. bnx2_write_phy(bp, bp->mii_up1, up1);
  873. ret = 0;
  874. }
  875. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  876. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  877. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  878. return ret;
  879. }
  880. static int
  881. bnx2_test_and_disable_2g5(struct bnx2 *bp)
  882. {
  883. u32 up1;
  884. int ret = 0;
  885. if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
  886. return 0;
  887. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  888. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  889. bnx2_read_phy(bp, bp->mii_up1, &up1);
  890. if (up1 & BCM5708S_UP1_2G5) {
  891. up1 &= ~BCM5708S_UP1_2G5;
  892. bnx2_write_phy(bp, bp->mii_up1, up1);
  893. ret = 1;
  894. }
  895. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  896. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  897. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  898. return ret;
  899. }
  900. static void
  901. bnx2_enable_forced_2g5(struct bnx2 *bp)
  902. {
  903. u32 bmcr;
  904. if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
  905. return;
  906. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  907. u32 val;
  908. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  909. MII_BNX2_BLK_ADDR_SERDES_DIG);
  910. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
  911. val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
  912. val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
  913. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
  914. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  915. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  916. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  917. } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  918. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  919. bmcr |= BCM5708S_BMCR_FORCE_2500;
  920. }
  921. if (bp->autoneg & AUTONEG_SPEED) {
  922. bmcr &= ~BMCR_ANENABLE;
  923. if (bp->req_duplex == DUPLEX_FULL)
  924. bmcr |= BMCR_FULLDPLX;
  925. }
  926. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  927. }
  928. static void
  929. bnx2_disable_forced_2g5(struct bnx2 *bp)
  930. {
  931. u32 bmcr;
  932. if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
  933. return;
  934. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  935. u32 val;
  936. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  937. MII_BNX2_BLK_ADDR_SERDES_DIG);
  938. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
  939. val &= ~MII_BNX2_SD_MISC1_FORCE;
  940. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
  941. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  942. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  943. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  944. } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  945. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  946. bmcr &= ~BCM5708S_BMCR_FORCE_2500;
  947. }
  948. if (bp->autoneg & AUTONEG_SPEED)
  949. bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
  950. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  951. }
  952. static int
  953. bnx2_set_link(struct bnx2 *bp)
  954. {
  955. u32 bmsr;
  956. u8 link_up;
  957. if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
  958. bp->link_up = 1;
  959. return 0;
  960. }
  961. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
  962. return 0;
  963. link_up = bp->link_up;
  964. bnx2_enable_bmsr1(bp);
  965. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  966. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  967. bnx2_disable_bmsr1(bp);
  968. if ((bp->phy_flags & PHY_SERDES_FLAG) &&
  969. (CHIP_NUM(bp) == CHIP_NUM_5706)) {
  970. u32 val;
  971. val = REG_RD(bp, BNX2_EMAC_STATUS);
  972. if (val & BNX2_EMAC_STATUS_LINK)
  973. bmsr |= BMSR_LSTATUS;
  974. else
  975. bmsr &= ~BMSR_LSTATUS;
  976. }
  977. if (bmsr & BMSR_LSTATUS) {
  978. bp->link_up = 1;
  979. if (bp->phy_flags & PHY_SERDES_FLAG) {
  980. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  981. bnx2_5706s_linkup(bp);
  982. else if (CHIP_NUM(bp) == CHIP_NUM_5708)
  983. bnx2_5708s_linkup(bp);
  984. else if (CHIP_NUM(bp) == CHIP_NUM_5709)
  985. bnx2_5709s_linkup(bp);
  986. }
  987. else {
  988. bnx2_copper_linkup(bp);
  989. }
  990. bnx2_resolve_flow_ctrl(bp);
  991. }
  992. else {
  993. if ((bp->phy_flags & PHY_SERDES_FLAG) &&
  994. (bp->autoneg & AUTONEG_SPEED))
  995. bnx2_disable_forced_2g5(bp);
  996. bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
  997. bp->link_up = 0;
  998. }
  999. if (bp->link_up != link_up) {
  1000. bnx2_report_link(bp);
  1001. }
  1002. bnx2_set_mac_link(bp);
  1003. return 0;
  1004. }
  1005. static int
  1006. bnx2_reset_phy(struct bnx2 *bp)
  1007. {
  1008. int i;
  1009. u32 reg;
  1010. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
  1011. #define PHY_RESET_MAX_WAIT 100
  1012. for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
  1013. udelay(10);
  1014. bnx2_read_phy(bp, bp->mii_bmcr, &reg);
  1015. if (!(reg & BMCR_RESET)) {
  1016. udelay(20);
  1017. break;
  1018. }
  1019. }
  1020. if (i == PHY_RESET_MAX_WAIT) {
  1021. return -EBUSY;
  1022. }
  1023. return 0;
  1024. }
  1025. static u32
  1026. bnx2_phy_get_pause_adv(struct bnx2 *bp)
  1027. {
  1028. u32 adv = 0;
  1029. if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
  1030. (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
  1031. if (bp->phy_flags & PHY_SERDES_FLAG) {
  1032. adv = ADVERTISE_1000XPAUSE;
  1033. }
  1034. else {
  1035. adv = ADVERTISE_PAUSE_CAP;
  1036. }
  1037. }
  1038. else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
  1039. if (bp->phy_flags & PHY_SERDES_FLAG) {
  1040. adv = ADVERTISE_1000XPSE_ASYM;
  1041. }
  1042. else {
  1043. adv = ADVERTISE_PAUSE_ASYM;
  1044. }
  1045. }
  1046. else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
  1047. if (bp->phy_flags & PHY_SERDES_FLAG) {
  1048. adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
  1049. }
  1050. else {
  1051. adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
  1052. }
  1053. }
  1054. return adv;
  1055. }
  1056. static int bnx2_fw_sync(struct bnx2 *, u32, int);
  1057. static int
  1058. bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
  1059. {
  1060. u32 speed_arg = 0, pause_adv;
  1061. pause_adv = bnx2_phy_get_pause_adv(bp);
  1062. if (bp->autoneg & AUTONEG_SPEED) {
  1063. speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
  1064. if (bp->advertising & ADVERTISED_10baseT_Half)
  1065. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
  1066. if (bp->advertising & ADVERTISED_10baseT_Full)
  1067. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
  1068. if (bp->advertising & ADVERTISED_100baseT_Half)
  1069. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
  1070. if (bp->advertising & ADVERTISED_100baseT_Full)
  1071. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
  1072. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1073. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
  1074. if (bp->advertising & ADVERTISED_2500baseX_Full)
  1075. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
  1076. } else {
  1077. if (bp->req_line_speed == SPEED_2500)
  1078. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
  1079. else if (bp->req_line_speed == SPEED_1000)
  1080. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
  1081. else if (bp->req_line_speed == SPEED_100) {
  1082. if (bp->req_duplex == DUPLEX_FULL)
  1083. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
  1084. else
  1085. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
  1086. } else if (bp->req_line_speed == SPEED_10) {
  1087. if (bp->req_duplex == DUPLEX_FULL)
  1088. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
  1089. else
  1090. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
  1091. }
  1092. }
  1093. if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
  1094. speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
  1095. if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_1000XPSE_ASYM))
  1096. speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
  1097. if (port == PORT_TP)
  1098. speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
  1099. BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
  1100. REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB_ARG0, speed_arg);
  1101. spin_unlock_bh(&bp->phy_lock);
  1102. bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
  1103. spin_lock_bh(&bp->phy_lock);
  1104. return 0;
  1105. }
  1106. static int
  1107. bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
  1108. {
  1109. u32 adv, bmcr;
  1110. u32 new_adv = 0;
  1111. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
  1112. return (bnx2_setup_remote_phy(bp, port));
  1113. if (!(bp->autoneg & AUTONEG_SPEED)) {
  1114. u32 new_bmcr;
  1115. int force_link_down = 0;
  1116. if (bp->req_line_speed == SPEED_2500) {
  1117. if (!bnx2_test_and_enable_2g5(bp))
  1118. force_link_down = 1;
  1119. } else if (bp->req_line_speed == SPEED_1000) {
  1120. if (bnx2_test_and_disable_2g5(bp))
  1121. force_link_down = 1;
  1122. }
  1123. bnx2_read_phy(bp, bp->mii_adv, &adv);
  1124. adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
  1125. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1126. new_bmcr = bmcr & ~BMCR_ANENABLE;
  1127. new_bmcr |= BMCR_SPEED1000;
  1128. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  1129. if (bp->req_line_speed == SPEED_2500)
  1130. bnx2_enable_forced_2g5(bp);
  1131. else if (bp->req_line_speed == SPEED_1000) {
  1132. bnx2_disable_forced_2g5(bp);
  1133. new_bmcr &= ~0x2000;
  1134. }
  1135. } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  1136. if (bp->req_line_speed == SPEED_2500)
  1137. new_bmcr |= BCM5708S_BMCR_FORCE_2500;
  1138. else
  1139. new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
  1140. }
  1141. if (bp->req_duplex == DUPLEX_FULL) {
  1142. adv |= ADVERTISE_1000XFULL;
  1143. new_bmcr |= BMCR_FULLDPLX;
  1144. }
  1145. else {
  1146. adv |= ADVERTISE_1000XHALF;
  1147. new_bmcr &= ~BMCR_FULLDPLX;
  1148. }
  1149. if ((new_bmcr != bmcr) || (force_link_down)) {
  1150. /* Force a link down visible on the other side */
  1151. if (bp->link_up) {
  1152. bnx2_write_phy(bp, bp->mii_adv, adv &
  1153. ~(ADVERTISE_1000XFULL |
  1154. ADVERTISE_1000XHALF));
  1155. bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
  1156. BMCR_ANRESTART | BMCR_ANENABLE);
  1157. bp->link_up = 0;
  1158. netif_carrier_off(bp->dev);
  1159. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1160. bnx2_report_link(bp);
  1161. }
  1162. bnx2_write_phy(bp, bp->mii_adv, adv);
  1163. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1164. } else {
  1165. bnx2_resolve_flow_ctrl(bp);
  1166. bnx2_set_mac_link(bp);
  1167. }
  1168. return 0;
  1169. }
  1170. bnx2_test_and_enable_2g5(bp);
  1171. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1172. new_adv |= ADVERTISE_1000XFULL;
  1173. new_adv |= bnx2_phy_get_pause_adv(bp);
  1174. bnx2_read_phy(bp, bp->mii_adv, &adv);
  1175. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1176. bp->serdes_an_pending = 0;
  1177. if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
  1178. /* Force a link down visible on the other side */
  1179. if (bp->link_up) {
  1180. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  1181. spin_unlock_bh(&bp->phy_lock);
  1182. msleep(20);
  1183. spin_lock_bh(&bp->phy_lock);
  1184. }
  1185. bnx2_write_phy(bp, bp->mii_adv, new_adv);
  1186. bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
  1187. BMCR_ANENABLE);
  1188. /* Speed up link-up time when the link partner
  1189. * does not autonegotiate which is very common
  1190. * in blade servers. Some blade servers use
  1191. * IPMI for kerboard input and it's important
  1192. * to minimize link disruptions. Autoneg. involves
  1193. * exchanging base pages plus 3 next pages and
  1194. * normally completes in about 120 msec.
  1195. */
  1196. bp->current_interval = SERDES_AN_TIMEOUT;
  1197. bp->serdes_an_pending = 1;
  1198. mod_timer(&bp->timer, jiffies + bp->current_interval);
  1199. } else {
  1200. bnx2_resolve_flow_ctrl(bp);
  1201. bnx2_set_mac_link(bp);
  1202. }
  1203. return 0;
  1204. }
  1205. #define ETHTOOL_ALL_FIBRE_SPEED \
  1206. (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) ? \
  1207. (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
  1208. (ADVERTISED_1000baseT_Full)
  1209. #define ETHTOOL_ALL_COPPER_SPEED \
  1210. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
  1211. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
  1212. ADVERTISED_1000baseT_Full)
  1213. #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
  1214. ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
  1215. #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
  1216. static void
  1217. bnx2_set_default_remote_link(struct bnx2 *bp)
  1218. {
  1219. u32 link;
  1220. if (bp->phy_port == PORT_TP)
  1221. link = REG_RD_IND(bp, bp->shmem_base + BNX2_RPHY_COPPER_LINK);
  1222. else
  1223. link = REG_RD_IND(bp, bp->shmem_base + BNX2_RPHY_SERDES_LINK);
  1224. if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
  1225. bp->req_line_speed = 0;
  1226. bp->autoneg |= AUTONEG_SPEED;
  1227. bp->advertising = ADVERTISED_Autoneg;
  1228. if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
  1229. bp->advertising |= ADVERTISED_10baseT_Half;
  1230. if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
  1231. bp->advertising |= ADVERTISED_10baseT_Full;
  1232. if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
  1233. bp->advertising |= ADVERTISED_100baseT_Half;
  1234. if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
  1235. bp->advertising |= ADVERTISED_100baseT_Full;
  1236. if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
  1237. bp->advertising |= ADVERTISED_1000baseT_Full;
  1238. if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
  1239. bp->advertising |= ADVERTISED_2500baseX_Full;
  1240. } else {
  1241. bp->autoneg = 0;
  1242. bp->advertising = 0;
  1243. bp->req_duplex = DUPLEX_FULL;
  1244. if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
  1245. bp->req_line_speed = SPEED_10;
  1246. if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
  1247. bp->req_duplex = DUPLEX_HALF;
  1248. }
  1249. if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
  1250. bp->req_line_speed = SPEED_100;
  1251. if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
  1252. bp->req_duplex = DUPLEX_HALF;
  1253. }
  1254. if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
  1255. bp->req_line_speed = SPEED_1000;
  1256. if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
  1257. bp->req_line_speed = SPEED_2500;
  1258. }
  1259. }
  1260. static void
  1261. bnx2_set_default_link(struct bnx2 *bp)
  1262. {
  1263. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
  1264. return bnx2_set_default_remote_link(bp);
  1265. bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
  1266. bp->req_line_speed = 0;
  1267. if (bp->phy_flags & PHY_SERDES_FLAG) {
  1268. u32 reg;
  1269. bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
  1270. reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
  1271. reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
  1272. if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
  1273. bp->autoneg = 0;
  1274. bp->req_line_speed = bp->line_speed = SPEED_1000;
  1275. bp->req_duplex = DUPLEX_FULL;
  1276. }
  1277. } else
  1278. bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
  1279. }
  1280. static void
  1281. bnx2_send_heart_beat(struct bnx2 *bp)
  1282. {
  1283. u32 msg;
  1284. u32 addr;
  1285. spin_lock(&bp->indirect_lock);
  1286. msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
  1287. addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
  1288. REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
  1289. REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
  1290. spin_unlock(&bp->indirect_lock);
  1291. }
  1292. static void
  1293. bnx2_remote_phy_event(struct bnx2 *bp)
  1294. {
  1295. u32 msg;
  1296. u8 link_up = bp->link_up;
  1297. u8 old_port;
  1298. msg = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);
  1299. if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
  1300. bnx2_send_heart_beat(bp);
  1301. msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
  1302. if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
  1303. bp->link_up = 0;
  1304. else {
  1305. u32 speed;
  1306. bp->link_up = 1;
  1307. speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
  1308. bp->duplex = DUPLEX_FULL;
  1309. switch (speed) {
  1310. case BNX2_LINK_STATUS_10HALF:
  1311. bp->duplex = DUPLEX_HALF;
  1312. case BNX2_LINK_STATUS_10FULL:
  1313. bp->line_speed = SPEED_10;
  1314. break;
  1315. case BNX2_LINK_STATUS_100HALF:
  1316. bp->duplex = DUPLEX_HALF;
  1317. case BNX2_LINK_STATUS_100BASE_T4:
  1318. case BNX2_LINK_STATUS_100FULL:
  1319. bp->line_speed = SPEED_100;
  1320. break;
  1321. case BNX2_LINK_STATUS_1000HALF:
  1322. bp->duplex = DUPLEX_HALF;
  1323. case BNX2_LINK_STATUS_1000FULL:
  1324. bp->line_speed = SPEED_1000;
  1325. break;
  1326. case BNX2_LINK_STATUS_2500HALF:
  1327. bp->duplex = DUPLEX_HALF;
  1328. case BNX2_LINK_STATUS_2500FULL:
  1329. bp->line_speed = SPEED_2500;
  1330. break;
  1331. default:
  1332. bp->line_speed = 0;
  1333. break;
  1334. }
  1335. spin_lock(&bp->phy_lock);
  1336. bp->flow_ctrl = 0;
  1337. if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
  1338. (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
  1339. if (bp->duplex == DUPLEX_FULL)
  1340. bp->flow_ctrl = bp->req_flow_ctrl;
  1341. } else {
  1342. if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
  1343. bp->flow_ctrl |= FLOW_CTRL_TX;
  1344. if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
  1345. bp->flow_ctrl |= FLOW_CTRL_RX;
  1346. }
  1347. old_port = bp->phy_port;
  1348. if (msg & BNX2_LINK_STATUS_SERDES_LINK)
  1349. bp->phy_port = PORT_FIBRE;
  1350. else
  1351. bp->phy_port = PORT_TP;
  1352. if (old_port != bp->phy_port)
  1353. bnx2_set_default_link(bp);
  1354. spin_unlock(&bp->phy_lock);
  1355. }
  1356. if (bp->link_up != link_up)
  1357. bnx2_report_link(bp);
  1358. bnx2_set_mac_link(bp);
  1359. }
  1360. static int
  1361. bnx2_set_remote_link(struct bnx2 *bp)
  1362. {
  1363. u32 evt_code;
  1364. evt_code = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_EVT_CODE_MB);
  1365. switch (evt_code) {
  1366. case BNX2_FW_EVT_CODE_LINK_EVENT:
  1367. bnx2_remote_phy_event(bp);
  1368. break;
  1369. case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
  1370. default:
  1371. bnx2_send_heart_beat(bp);
  1372. break;
  1373. }
  1374. return 0;
  1375. }
  1376. static int
  1377. bnx2_setup_copper_phy(struct bnx2 *bp)
  1378. {
  1379. u32 bmcr;
  1380. u32 new_bmcr;
  1381. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1382. if (bp->autoneg & AUTONEG_SPEED) {
  1383. u32 adv_reg, adv1000_reg;
  1384. u32 new_adv_reg = 0;
  1385. u32 new_adv1000_reg = 0;
  1386. bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
  1387. adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
  1388. ADVERTISE_PAUSE_ASYM);
  1389. bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
  1390. adv1000_reg &= PHY_ALL_1000_SPEED;
  1391. if (bp->advertising & ADVERTISED_10baseT_Half)
  1392. new_adv_reg |= ADVERTISE_10HALF;
  1393. if (bp->advertising & ADVERTISED_10baseT_Full)
  1394. new_adv_reg |= ADVERTISE_10FULL;
  1395. if (bp->advertising & ADVERTISED_100baseT_Half)
  1396. new_adv_reg |= ADVERTISE_100HALF;
  1397. if (bp->advertising & ADVERTISED_100baseT_Full)
  1398. new_adv_reg |= ADVERTISE_100FULL;
  1399. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1400. new_adv1000_reg |= ADVERTISE_1000FULL;
  1401. new_adv_reg |= ADVERTISE_CSMA;
  1402. new_adv_reg |= bnx2_phy_get_pause_adv(bp);
  1403. if ((adv1000_reg != new_adv1000_reg) ||
  1404. (adv_reg != new_adv_reg) ||
  1405. ((bmcr & BMCR_ANENABLE) == 0)) {
  1406. bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
  1407. bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
  1408. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
  1409. BMCR_ANENABLE);
  1410. }
  1411. else if (bp->link_up) {
  1412. /* Flow ctrl may have changed from auto to forced */
  1413. /* or vice-versa. */
  1414. bnx2_resolve_flow_ctrl(bp);
  1415. bnx2_set_mac_link(bp);
  1416. }
  1417. return 0;
  1418. }
  1419. new_bmcr = 0;
  1420. if (bp->req_line_speed == SPEED_100) {
  1421. new_bmcr |= BMCR_SPEED100;
  1422. }
  1423. if (bp->req_duplex == DUPLEX_FULL) {
  1424. new_bmcr |= BMCR_FULLDPLX;
  1425. }
  1426. if (new_bmcr != bmcr) {
  1427. u32 bmsr;
  1428. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1429. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1430. if (bmsr & BMSR_LSTATUS) {
  1431. /* Force link down */
  1432. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  1433. spin_unlock_bh(&bp->phy_lock);
  1434. msleep(50);
  1435. spin_lock_bh(&bp->phy_lock);
  1436. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1437. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1438. }
  1439. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1440. /* Normally, the new speed is setup after the link has
  1441. * gone down and up again. In some cases, link will not go
  1442. * down so we need to set up the new speed here.
  1443. */
  1444. if (bmsr & BMSR_LSTATUS) {
  1445. bp->line_speed = bp->req_line_speed;
  1446. bp->duplex = bp->req_duplex;
  1447. bnx2_resolve_flow_ctrl(bp);
  1448. bnx2_set_mac_link(bp);
  1449. }
  1450. } else {
  1451. bnx2_resolve_flow_ctrl(bp);
  1452. bnx2_set_mac_link(bp);
  1453. }
  1454. return 0;
  1455. }
  1456. static int
  1457. bnx2_setup_phy(struct bnx2 *bp, u8 port)
  1458. {
  1459. if (bp->loopback == MAC_LOOPBACK)
  1460. return 0;
  1461. if (bp->phy_flags & PHY_SERDES_FLAG) {
  1462. return (bnx2_setup_serdes_phy(bp, port));
  1463. }
  1464. else {
  1465. return (bnx2_setup_copper_phy(bp));
  1466. }
  1467. }
  1468. static int
  1469. bnx2_init_5709s_phy(struct bnx2 *bp)
  1470. {
  1471. u32 val;
  1472. bp->mii_bmcr = MII_BMCR + 0x10;
  1473. bp->mii_bmsr = MII_BMSR + 0x10;
  1474. bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
  1475. bp->mii_adv = MII_ADVERTISE + 0x10;
  1476. bp->mii_lpa = MII_LPA + 0x10;
  1477. bp->mii_up1 = MII_BNX2_OVER1G_UP1;
  1478. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
  1479. bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
  1480. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1481. bnx2_reset_phy(bp);
  1482. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
  1483. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
  1484. val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
  1485. val |= MII_BNX2_SD_1000XCTL1_FIBER;
  1486. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
  1487. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  1488. bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
  1489. if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
  1490. val |= BCM5708S_UP1_2G5;
  1491. else
  1492. val &= ~BCM5708S_UP1_2G5;
  1493. bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
  1494. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
  1495. bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
  1496. val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
  1497. bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
  1498. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
  1499. val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
  1500. MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
  1501. bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
  1502. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1503. return 0;
  1504. }
  1505. static int
  1506. bnx2_init_5708s_phy(struct bnx2 *bp)
  1507. {
  1508. u32 val;
  1509. bnx2_reset_phy(bp);
  1510. bp->mii_up1 = BCM5708S_UP1;
  1511. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
  1512. bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
  1513. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
  1514. bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
  1515. val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
  1516. bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
  1517. bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
  1518. val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
  1519. bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
  1520. if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
  1521. bnx2_read_phy(bp, BCM5708S_UP1, &val);
  1522. val |= BCM5708S_UP1_2G5;
  1523. bnx2_write_phy(bp, BCM5708S_UP1, val);
  1524. }
  1525. if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
  1526. (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
  1527. (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
  1528. /* increase tx signal amplitude */
  1529. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1530. BCM5708S_BLK_ADDR_TX_MISC);
  1531. bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
  1532. val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
  1533. bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
  1534. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
  1535. }
  1536. val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
  1537. BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
  1538. if (val) {
  1539. u32 is_backplane;
  1540. is_backplane = REG_RD_IND(bp, bp->shmem_base +
  1541. BNX2_SHARED_HW_CFG_CONFIG);
  1542. if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
  1543. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1544. BCM5708S_BLK_ADDR_TX_MISC);
  1545. bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
  1546. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1547. BCM5708S_BLK_ADDR_DIG);
  1548. }
  1549. }
  1550. return 0;
  1551. }
  1552. static int
  1553. bnx2_init_5706s_phy(struct bnx2 *bp)
  1554. {
  1555. bnx2_reset_phy(bp);
  1556. bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
  1557. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  1558. REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
  1559. if (bp->dev->mtu > 1500) {
  1560. u32 val;
  1561. /* Set extended packet length bit */
  1562. bnx2_write_phy(bp, 0x18, 0x7);
  1563. bnx2_read_phy(bp, 0x18, &val);
  1564. bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
  1565. bnx2_write_phy(bp, 0x1c, 0x6c00);
  1566. bnx2_read_phy(bp, 0x1c, &val);
  1567. bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
  1568. }
  1569. else {
  1570. u32 val;
  1571. bnx2_write_phy(bp, 0x18, 0x7);
  1572. bnx2_read_phy(bp, 0x18, &val);
  1573. bnx2_write_phy(bp, 0x18, val & ~0x4007);
  1574. bnx2_write_phy(bp, 0x1c, 0x6c00);
  1575. bnx2_read_phy(bp, 0x1c, &val);
  1576. bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
  1577. }
  1578. return 0;
  1579. }
  1580. static int
  1581. bnx2_init_copper_phy(struct bnx2 *bp)
  1582. {
  1583. u32 val;
  1584. bnx2_reset_phy(bp);
  1585. if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
  1586. bnx2_write_phy(bp, 0x18, 0x0c00);
  1587. bnx2_write_phy(bp, 0x17, 0x000a);
  1588. bnx2_write_phy(bp, 0x15, 0x310b);
  1589. bnx2_write_phy(bp, 0x17, 0x201f);
  1590. bnx2_write_phy(bp, 0x15, 0x9506);
  1591. bnx2_write_phy(bp, 0x17, 0x401f);
  1592. bnx2_write_phy(bp, 0x15, 0x14e2);
  1593. bnx2_write_phy(bp, 0x18, 0x0400);
  1594. }
  1595. if (bp->phy_flags & PHY_DIS_EARLY_DAC_FLAG) {
  1596. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
  1597. MII_BNX2_DSP_EXPAND_REG | 0x8);
  1598. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
  1599. val &= ~(1 << 8);
  1600. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
  1601. }
  1602. if (bp->dev->mtu > 1500) {
  1603. /* Set extended packet length bit */
  1604. bnx2_write_phy(bp, 0x18, 0x7);
  1605. bnx2_read_phy(bp, 0x18, &val);
  1606. bnx2_write_phy(bp, 0x18, val | 0x4000);
  1607. bnx2_read_phy(bp, 0x10, &val);
  1608. bnx2_write_phy(bp, 0x10, val | 0x1);
  1609. }
  1610. else {
  1611. bnx2_write_phy(bp, 0x18, 0x7);
  1612. bnx2_read_phy(bp, 0x18, &val);
  1613. bnx2_write_phy(bp, 0x18, val & ~0x4007);
  1614. bnx2_read_phy(bp, 0x10, &val);
  1615. bnx2_write_phy(bp, 0x10, val & ~0x1);
  1616. }
  1617. /* ethernet@wirespeed */
  1618. bnx2_write_phy(bp, 0x18, 0x7007);
  1619. bnx2_read_phy(bp, 0x18, &val);
  1620. bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
  1621. return 0;
  1622. }
  1623. static int
  1624. bnx2_init_phy(struct bnx2 *bp)
  1625. {
  1626. u32 val;
  1627. int rc = 0;
  1628. bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
  1629. bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
  1630. bp->mii_bmcr = MII_BMCR;
  1631. bp->mii_bmsr = MII_BMSR;
  1632. bp->mii_bmsr1 = MII_BMSR;
  1633. bp->mii_adv = MII_ADVERTISE;
  1634. bp->mii_lpa = MII_LPA;
  1635. REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
  1636. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
  1637. goto setup_phy;
  1638. bnx2_read_phy(bp, MII_PHYSID1, &val);
  1639. bp->phy_id = val << 16;
  1640. bnx2_read_phy(bp, MII_PHYSID2, &val);
  1641. bp->phy_id |= val & 0xffff;
  1642. if (bp->phy_flags & PHY_SERDES_FLAG) {
  1643. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  1644. rc = bnx2_init_5706s_phy(bp);
  1645. else if (CHIP_NUM(bp) == CHIP_NUM_5708)
  1646. rc = bnx2_init_5708s_phy(bp);
  1647. else if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1648. rc = bnx2_init_5709s_phy(bp);
  1649. }
  1650. else {
  1651. rc = bnx2_init_copper_phy(bp);
  1652. }
  1653. setup_phy:
  1654. if (!rc)
  1655. rc = bnx2_setup_phy(bp, bp->phy_port);
  1656. return rc;
  1657. }
  1658. static int
  1659. bnx2_set_mac_loopback(struct bnx2 *bp)
  1660. {
  1661. u32 mac_mode;
  1662. mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
  1663. mac_mode &= ~BNX2_EMAC_MODE_PORT;
  1664. mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
  1665. REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
  1666. bp->link_up = 1;
  1667. return 0;
  1668. }
  1669. static int bnx2_test_link(struct bnx2 *);
  1670. static int
  1671. bnx2_set_phy_loopback(struct bnx2 *bp)
  1672. {
  1673. u32 mac_mode;
  1674. int rc, i;
  1675. spin_lock_bh(&bp->phy_lock);
  1676. rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
  1677. BMCR_SPEED1000);
  1678. spin_unlock_bh(&bp->phy_lock);
  1679. if (rc)
  1680. return rc;
  1681. for (i = 0; i < 10; i++) {
  1682. if (bnx2_test_link(bp) == 0)
  1683. break;
  1684. msleep(100);
  1685. }
  1686. mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
  1687. mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
  1688. BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
  1689. BNX2_EMAC_MODE_25G_MODE);
  1690. mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
  1691. REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
  1692. bp->link_up = 1;
  1693. return 0;
  1694. }
  1695. static int
  1696. bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
  1697. {
  1698. int i;
  1699. u32 val;
  1700. bp->fw_wr_seq++;
  1701. msg_data |= bp->fw_wr_seq;
  1702. REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
  1703. /* wait for an acknowledgement. */
  1704. for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
  1705. msleep(10);
  1706. val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
  1707. if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
  1708. break;
  1709. }
  1710. if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
  1711. return 0;
  1712. /* If we timed out, inform the firmware that this is the case. */
  1713. if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
  1714. if (!silent)
  1715. printk(KERN_ERR PFX "fw sync timeout, reset code = "
  1716. "%x\n", msg_data);
  1717. msg_data &= ~BNX2_DRV_MSG_CODE;
  1718. msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
  1719. REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
  1720. return -EBUSY;
  1721. }
  1722. if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
  1723. return -EIO;
  1724. return 0;
  1725. }
  1726. static int
  1727. bnx2_init_5709_context(struct bnx2 *bp)
  1728. {
  1729. int i, ret = 0;
  1730. u32 val;
  1731. val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
  1732. val |= (BCM_PAGE_BITS - 8) << 16;
  1733. REG_WR(bp, BNX2_CTX_COMMAND, val);
  1734. for (i = 0; i < 10; i++) {
  1735. val = REG_RD(bp, BNX2_CTX_COMMAND);
  1736. if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
  1737. break;
  1738. udelay(2);
  1739. }
  1740. if (val & BNX2_CTX_COMMAND_MEM_INIT)
  1741. return -EBUSY;
  1742. for (i = 0; i < bp->ctx_pages; i++) {
  1743. int j;
  1744. REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
  1745. (bp->ctx_blk_mapping[i] & 0xffffffff) |
  1746. BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
  1747. REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
  1748. (u64) bp->ctx_blk_mapping[i] >> 32);
  1749. REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
  1750. BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
  1751. for (j = 0; j < 10; j++) {
  1752. val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
  1753. if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
  1754. break;
  1755. udelay(5);
  1756. }
  1757. if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
  1758. ret = -EBUSY;
  1759. break;
  1760. }
  1761. }
  1762. return ret;
  1763. }
  1764. static void
  1765. bnx2_init_context(struct bnx2 *bp)
  1766. {
  1767. u32 vcid;
  1768. vcid = 96;
  1769. while (vcid) {
  1770. u32 vcid_addr, pcid_addr, offset;
  1771. int i;
  1772. vcid--;
  1773. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  1774. u32 new_vcid;
  1775. vcid_addr = GET_PCID_ADDR(vcid);
  1776. if (vcid & 0x8) {
  1777. new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
  1778. }
  1779. else {
  1780. new_vcid = vcid;
  1781. }
  1782. pcid_addr = GET_PCID_ADDR(new_vcid);
  1783. }
  1784. else {
  1785. vcid_addr = GET_CID_ADDR(vcid);
  1786. pcid_addr = vcid_addr;
  1787. }
  1788. for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
  1789. vcid_addr += (i << PHY_CTX_SHIFT);
  1790. pcid_addr += (i << PHY_CTX_SHIFT);
  1791. REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
  1792. REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
  1793. /* Zero out the context. */
  1794. for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
  1795. CTX_WR(bp, 0x00, offset, 0);
  1796. REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
  1797. REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
  1798. }
  1799. }
  1800. }
  1801. static int
  1802. bnx2_alloc_bad_rbuf(struct bnx2 *bp)
  1803. {
  1804. u16 *good_mbuf;
  1805. u32 good_mbuf_cnt;
  1806. u32 val;
  1807. good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
  1808. if (good_mbuf == NULL) {
  1809. printk(KERN_ERR PFX "Failed to allocate memory in "
  1810. "bnx2_alloc_bad_rbuf\n");
  1811. return -ENOMEM;
  1812. }
  1813. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  1814. BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
  1815. good_mbuf_cnt = 0;
  1816. /* Allocate a bunch of mbufs and save the good ones in an array. */
  1817. val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
  1818. while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
  1819. REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
  1820. val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
  1821. val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
  1822. /* The addresses with Bit 9 set are bad memory blocks. */
  1823. if (!(val & (1 << 9))) {
  1824. good_mbuf[good_mbuf_cnt] = (u16) val;
  1825. good_mbuf_cnt++;
  1826. }
  1827. val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
  1828. }
  1829. /* Free the good ones back to the mbuf pool thus discarding
  1830. * all the bad ones. */
  1831. while (good_mbuf_cnt) {
  1832. good_mbuf_cnt--;
  1833. val = good_mbuf[good_mbuf_cnt];
  1834. val = (val << 9) | val | 1;
  1835. REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
  1836. }
  1837. kfree(good_mbuf);
  1838. return 0;
  1839. }
  1840. static void
  1841. bnx2_set_mac_addr(struct bnx2 *bp)
  1842. {
  1843. u32 val;
  1844. u8 *mac_addr = bp->dev->dev_addr;
  1845. val = (mac_addr[0] << 8) | mac_addr[1];
  1846. REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
  1847. val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
  1848. (mac_addr[4] << 8) | mac_addr[5];
  1849. REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
  1850. }
  1851. static inline int
  1852. bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index)
  1853. {
  1854. struct sk_buff *skb;
  1855. struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
  1856. dma_addr_t mapping;
  1857. struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
  1858. unsigned long align;
  1859. skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
  1860. if (skb == NULL) {
  1861. return -ENOMEM;
  1862. }
  1863. if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
  1864. skb_reserve(skb, BNX2_RX_ALIGN - align);
  1865. mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
  1866. PCI_DMA_FROMDEVICE);
  1867. rx_buf->skb = skb;
  1868. pci_unmap_addr_set(rx_buf, mapping, mapping);
  1869. rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
  1870. rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  1871. bp->rx_prod_bseq += bp->rx_buf_use_size;
  1872. return 0;
  1873. }
  1874. static int
  1875. bnx2_phy_event_is_set(struct bnx2 *bp, u32 event)
  1876. {
  1877. struct status_block *sblk = bp->status_blk;
  1878. u32 new_link_state, old_link_state;
  1879. int is_set = 1;
  1880. new_link_state = sblk->status_attn_bits & event;
  1881. old_link_state = sblk->status_attn_bits_ack & event;
  1882. if (new_link_state != old_link_state) {
  1883. if (new_link_state)
  1884. REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
  1885. else
  1886. REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
  1887. } else
  1888. is_set = 0;
  1889. return is_set;
  1890. }
  1891. static void
  1892. bnx2_phy_int(struct bnx2 *bp)
  1893. {
  1894. if (bnx2_phy_event_is_set(bp, STATUS_ATTN_BITS_LINK_STATE)) {
  1895. spin_lock(&bp->phy_lock);
  1896. bnx2_set_link(bp);
  1897. spin_unlock(&bp->phy_lock);
  1898. }
  1899. if (bnx2_phy_event_is_set(bp, STATUS_ATTN_BITS_TIMER_ABORT))
  1900. bnx2_set_remote_link(bp);
  1901. }
  1902. static void
  1903. bnx2_tx_int(struct bnx2 *bp)
  1904. {
  1905. struct status_block *sblk = bp->status_blk;
  1906. u16 hw_cons, sw_cons, sw_ring_cons;
  1907. int tx_free_bd = 0;
  1908. hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
  1909. if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
  1910. hw_cons++;
  1911. }
  1912. sw_cons = bp->tx_cons;
  1913. while (sw_cons != hw_cons) {
  1914. struct sw_bd *tx_buf;
  1915. struct sk_buff *skb;
  1916. int i, last;
  1917. sw_ring_cons = TX_RING_IDX(sw_cons);
  1918. tx_buf = &bp->tx_buf_ring[sw_ring_cons];
  1919. skb = tx_buf->skb;
  1920. /* partial BD completions possible with TSO packets */
  1921. if (skb_is_gso(skb)) {
  1922. u16 last_idx, last_ring_idx;
  1923. last_idx = sw_cons +
  1924. skb_shinfo(skb)->nr_frags + 1;
  1925. last_ring_idx = sw_ring_cons +
  1926. skb_shinfo(skb)->nr_frags + 1;
  1927. if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
  1928. last_idx++;
  1929. }
  1930. if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
  1931. break;
  1932. }
  1933. }
  1934. pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
  1935. skb_headlen(skb), PCI_DMA_TODEVICE);
  1936. tx_buf->skb = NULL;
  1937. last = skb_shinfo(skb)->nr_frags;
  1938. for (i = 0; i < last; i++) {
  1939. sw_cons = NEXT_TX_BD(sw_cons);
  1940. pci_unmap_page(bp->pdev,
  1941. pci_unmap_addr(
  1942. &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
  1943. mapping),
  1944. skb_shinfo(skb)->frags[i].size,
  1945. PCI_DMA_TODEVICE);
  1946. }
  1947. sw_cons = NEXT_TX_BD(sw_cons);
  1948. tx_free_bd += last + 1;
  1949. dev_kfree_skb(skb);
  1950. hw_cons = bp->hw_tx_cons =
  1951. sblk->status_tx_quick_consumer_index0;
  1952. if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
  1953. hw_cons++;
  1954. }
  1955. }
  1956. bp->tx_cons = sw_cons;
  1957. /* Need to make the tx_cons update visible to bnx2_start_xmit()
  1958. * before checking for netif_queue_stopped(). Without the
  1959. * memory barrier, there is a small possibility that bnx2_start_xmit()
  1960. * will miss it and cause the queue to be stopped forever.
  1961. */
  1962. smp_mb();
  1963. if (unlikely(netif_queue_stopped(bp->dev)) &&
  1964. (bnx2_tx_avail(bp) > bp->tx_wake_thresh)) {
  1965. netif_tx_lock(bp->dev);
  1966. if ((netif_queue_stopped(bp->dev)) &&
  1967. (bnx2_tx_avail(bp) > bp->tx_wake_thresh))
  1968. netif_wake_queue(bp->dev);
  1969. netif_tx_unlock(bp->dev);
  1970. }
  1971. }
  1972. static inline void
  1973. bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb,
  1974. u16 cons, u16 prod)
  1975. {
  1976. struct sw_bd *cons_rx_buf, *prod_rx_buf;
  1977. struct rx_bd *cons_bd, *prod_bd;
  1978. cons_rx_buf = &bp->rx_buf_ring[cons];
  1979. prod_rx_buf = &bp->rx_buf_ring[prod];
  1980. pci_dma_sync_single_for_device(bp->pdev,
  1981. pci_unmap_addr(cons_rx_buf, mapping),
  1982. bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
  1983. bp->rx_prod_bseq += bp->rx_buf_use_size;
  1984. prod_rx_buf->skb = skb;
  1985. if (cons == prod)
  1986. return;
  1987. pci_unmap_addr_set(prod_rx_buf, mapping,
  1988. pci_unmap_addr(cons_rx_buf, mapping));
  1989. cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
  1990. prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
  1991. prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
  1992. prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
  1993. }
  1994. static int
  1995. bnx2_rx_int(struct bnx2 *bp, int budget)
  1996. {
  1997. struct status_block *sblk = bp->status_blk;
  1998. u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
  1999. struct l2_fhdr *rx_hdr;
  2000. int rx_pkt = 0;
  2001. hw_cons = bp->hw_rx_cons = sblk->status_rx_quick_consumer_index0;
  2002. if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
  2003. hw_cons++;
  2004. }
  2005. sw_cons = bp->rx_cons;
  2006. sw_prod = bp->rx_prod;
  2007. /* Memory barrier necessary as speculative reads of the rx
  2008. * buffer can be ahead of the index in the status block
  2009. */
  2010. rmb();
  2011. while (sw_cons != hw_cons) {
  2012. unsigned int len;
  2013. u32 status;
  2014. struct sw_bd *rx_buf;
  2015. struct sk_buff *skb;
  2016. dma_addr_t dma_addr;
  2017. sw_ring_cons = RX_RING_IDX(sw_cons);
  2018. sw_ring_prod = RX_RING_IDX(sw_prod);
  2019. rx_buf = &bp->rx_buf_ring[sw_ring_cons];
  2020. skb = rx_buf->skb;
  2021. rx_buf->skb = NULL;
  2022. dma_addr = pci_unmap_addr(rx_buf, mapping);
  2023. pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
  2024. bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
  2025. rx_hdr = (struct l2_fhdr *) skb->data;
  2026. len = rx_hdr->l2_fhdr_pkt_len - 4;
  2027. if ((status = rx_hdr->l2_fhdr_status) &
  2028. (L2_FHDR_ERRORS_BAD_CRC |
  2029. L2_FHDR_ERRORS_PHY_DECODE |
  2030. L2_FHDR_ERRORS_ALIGNMENT |
  2031. L2_FHDR_ERRORS_TOO_SHORT |
  2032. L2_FHDR_ERRORS_GIANT_FRAME)) {
  2033. goto reuse_rx;
  2034. }
  2035. /* Since we don't have a jumbo ring, copy small packets
  2036. * if mtu > 1500
  2037. */
  2038. if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
  2039. struct sk_buff *new_skb;
  2040. new_skb = netdev_alloc_skb(bp->dev, len + 2);
  2041. if (new_skb == NULL)
  2042. goto reuse_rx;
  2043. /* aligned copy */
  2044. skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
  2045. new_skb->data, len + 2);
  2046. skb_reserve(new_skb, 2);
  2047. skb_put(new_skb, len);
  2048. bnx2_reuse_rx_skb(bp, skb,
  2049. sw_ring_cons, sw_ring_prod);
  2050. skb = new_skb;
  2051. }
  2052. else if (bnx2_alloc_rx_skb(bp, sw_ring_prod) == 0) {
  2053. pci_unmap_single(bp->pdev, dma_addr,
  2054. bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
  2055. skb_reserve(skb, bp->rx_offset);
  2056. skb_put(skb, len);
  2057. }
  2058. else {
  2059. reuse_rx:
  2060. bnx2_reuse_rx_skb(bp, skb,
  2061. sw_ring_cons, sw_ring_prod);
  2062. goto next_rx;
  2063. }
  2064. skb->protocol = eth_type_trans(skb, bp->dev);
  2065. if ((len > (bp->dev->mtu + ETH_HLEN)) &&
  2066. (ntohs(skb->protocol) != 0x8100)) {
  2067. dev_kfree_skb(skb);
  2068. goto next_rx;
  2069. }
  2070. skb->ip_summed = CHECKSUM_NONE;
  2071. if (bp->rx_csum &&
  2072. (status & (L2_FHDR_STATUS_TCP_SEGMENT |
  2073. L2_FHDR_STATUS_UDP_DATAGRAM))) {
  2074. if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
  2075. L2_FHDR_ERRORS_UDP_XSUM)) == 0))
  2076. skb->ip_summed = CHECKSUM_UNNECESSARY;
  2077. }
  2078. #ifdef BCM_VLAN
  2079. if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
  2080. vlan_hwaccel_receive_skb(skb, bp->vlgrp,
  2081. rx_hdr->l2_fhdr_vlan_tag);
  2082. }
  2083. else
  2084. #endif
  2085. netif_receive_skb(skb);
  2086. bp->dev->last_rx = jiffies;
  2087. rx_pkt++;
  2088. next_rx:
  2089. sw_cons = NEXT_RX_BD(sw_cons);
  2090. sw_prod = NEXT_RX_BD(sw_prod);
  2091. if ((rx_pkt == budget))
  2092. break;
  2093. /* Refresh hw_cons to see if there is new work */
  2094. if (sw_cons == hw_cons) {
  2095. hw_cons = bp->hw_rx_cons =
  2096. sblk->status_rx_quick_consumer_index0;
  2097. if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)
  2098. hw_cons++;
  2099. rmb();
  2100. }
  2101. }
  2102. bp->rx_cons = sw_cons;
  2103. bp->rx_prod = sw_prod;
  2104. REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
  2105. REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
  2106. mmiowb();
  2107. return rx_pkt;
  2108. }
  2109. /* MSI ISR - The only difference between this and the INTx ISR
  2110. * is that the MSI interrupt is always serviced.
  2111. */
  2112. static irqreturn_t
  2113. bnx2_msi(int irq, void *dev_instance)
  2114. {
  2115. struct net_device *dev = dev_instance;
  2116. struct bnx2 *bp = netdev_priv(dev);
  2117. prefetch(bp->status_blk);
  2118. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2119. BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
  2120. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  2121. /* Return here if interrupt is disabled. */
  2122. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2123. return IRQ_HANDLED;
  2124. netif_rx_schedule(dev);
  2125. return IRQ_HANDLED;
  2126. }
  2127. static irqreturn_t
  2128. bnx2_msi_1shot(int irq, void *dev_instance)
  2129. {
  2130. struct net_device *dev = dev_instance;
  2131. struct bnx2 *bp = netdev_priv(dev);
  2132. prefetch(bp->status_blk);
  2133. /* Return here if interrupt is disabled. */
  2134. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2135. return IRQ_HANDLED;
  2136. netif_rx_schedule(dev);
  2137. return IRQ_HANDLED;
  2138. }
  2139. static irqreturn_t
  2140. bnx2_interrupt(int irq, void *dev_instance)
  2141. {
  2142. struct net_device *dev = dev_instance;
  2143. struct bnx2 *bp = netdev_priv(dev);
  2144. struct status_block *sblk = bp->status_blk;
  2145. /* When using INTx, it is possible for the interrupt to arrive
  2146. * at the CPU before the status block posted prior to the
  2147. * interrupt. Reading a register will flush the status block.
  2148. * When using MSI, the MSI message will always complete after
  2149. * the status block write.
  2150. */
  2151. if ((sblk->status_idx == bp->last_status_idx) &&
  2152. (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
  2153. BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
  2154. return IRQ_NONE;
  2155. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2156. BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
  2157. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  2158. /* Read back to deassert IRQ immediately to avoid too many
  2159. * spurious interrupts.
  2160. */
  2161. REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
  2162. /* Return here if interrupt is shared and is disabled. */
  2163. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2164. return IRQ_HANDLED;
  2165. if (netif_rx_schedule_prep(dev)) {
  2166. bp->last_status_idx = sblk->status_idx;
  2167. __netif_rx_schedule(dev);
  2168. }
  2169. return IRQ_HANDLED;
  2170. }
  2171. #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
  2172. STATUS_ATTN_BITS_TIMER_ABORT)
  2173. static inline int
  2174. bnx2_has_work(struct bnx2 *bp)
  2175. {
  2176. struct status_block *sblk = bp->status_blk;
  2177. if ((sblk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) ||
  2178. (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons))
  2179. return 1;
  2180. if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
  2181. (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
  2182. return 1;
  2183. return 0;
  2184. }
  2185. static int
  2186. bnx2_poll(struct net_device *dev, int *budget)
  2187. {
  2188. struct bnx2 *bp = netdev_priv(dev);
  2189. struct status_block *sblk = bp->status_blk;
  2190. u32 status_attn_bits = sblk->status_attn_bits;
  2191. u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
  2192. if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
  2193. (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
  2194. bnx2_phy_int(bp);
  2195. /* This is needed to take care of transient status
  2196. * during link changes.
  2197. */
  2198. REG_WR(bp, BNX2_HC_COMMAND,
  2199. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  2200. REG_RD(bp, BNX2_HC_COMMAND);
  2201. }
  2202. if (bp->status_blk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
  2203. bnx2_tx_int(bp);
  2204. if (bp->status_blk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) {
  2205. int orig_budget = *budget;
  2206. int work_done;
  2207. if (orig_budget > dev->quota)
  2208. orig_budget = dev->quota;
  2209. work_done = bnx2_rx_int(bp, orig_budget);
  2210. *budget -= work_done;
  2211. dev->quota -= work_done;
  2212. }
  2213. bp->last_status_idx = bp->status_blk->status_idx;
  2214. rmb();
  2215. if (!bnx2_has_work(bp)) {
  2216. netif_rx_complete(dev);
  2217. if (likely(bp->flags & USING_MSI_FLAG)) {
  2218. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2219. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2220. bp->last_status_idx);
  2221. return 0;
  2222. }
  2223. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2224. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2225. BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
  2226. bp->last_status_idx);
  2227. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2228. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2229. bp->last_status_idx);
  2230. return 0;
  2231. }
  2232. return 1;
  2233. }
  2234. /* Called with rtnl_lock from vlan functions and also netif_tx_lock
  2235. * from set_multicast.
  2236. */
  2237. static void
  2238. bnx2_set_rx_mode(struct net_device *dev)
  2239. {
  2240. struct bnx2 *bp = netdev_priv(dev);
  2241. u32 rx_mode, sort_mode;
  2242. int i;
  2243. spin_lock_bh(&bp->phy_lock);
  2244. rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
  2245. BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
  2246. sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
  2247. #ifdef BCM_VLAN
  2248. if (!bp->vlgrp && !(bp->flags & ASF_ENABLE_FLAG))
  2249. rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
  2250. #else
  2251. if (!(bp->flags & ASF_ENABLE_FLAG))
  2252. rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
  2253. #endif
  2254. if (dev->flags & IFF_PROMISC) {
  2255. /* Promiscuous mode. */
  2256. rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
  2257. sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
  2258. BNX2_RPM_SORT_USER0_PROM_VLAN;
  2259. }
  2260. else if (dev->flags & IFF_ALLMULTI) {
  2261. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  2262. REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  2263. 0xffffffff);
  2264. }
  2265. sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
  2266. }
  2267. else {
  2268. /* Accept one or more multicast(s). */
  2269. struct dev_mc_list *mclist;
  2270. u32 mc_filter[NUM_MC_HASH_REGISTERS];
  2271. u32 regidx;
  2272. u32 bit;
  2273. u32 crc;
  2274. memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
  2275. for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
  2276. i++, mclist = mclist->next) {
  2277. crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
  2278. bit = crc & 0xff;
  2279. regidx = (bit & 0xe0) >> 5;
  2280. bit &= 0x1f;
  2281. mc_filter[regidx] |= (1 << bit);
  2282. }
  2283. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  2284. REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  2285. mc_filter[i]);
  2286. }
  2287. sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
  2288. }
  2289. if (rx_mode != bp->rx_mode) {
  2290. bp->rx_mode = rx_mode;
  2291. REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
  2292. }
  2293. REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
  2294. REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
  2295. REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
  2296. spin_unlock_bh(&bp->phy_lock);
  2297. }
  2298. #define FW_BUF_SIZE 0x8000
  2299. static int
  2300. bnx2_gunzip_init(struct bnx2 *bp)
  2301. {
  2302. if ((bp->gunzip_buf = vmalloc(FW_BUF_SIZE)) == NULL)
  2303. goto gunzip_nomem1;
  2304. if ((bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL)) == NULL)
  2305. goto gunzip_nomem2;
  2306. bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
  2307. if (bp->strm->workspace == NULL)
  2308. goto gunzip_nomem3;
  2309. return 0;
  2310. gunzip_nomem3:
  2311. kfree(bp->strm);
  2312. bp->strm = NULL;
  2313. gunzip_nomem2:
  2314. vfree(bp->gunzip_buf);
  2315. bp->gunzip_buf = NULL;
  2316. gunzip_nomem1:
  2317. printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for "
  2318. "uncompression.\n", bp->dev->name);
  2319. return -ENOMEM;
  2320. }
  2321. static void
  2322. bnx2_gunzip_end(struct bnx2 *bp)
  2323. {
  2324. kfree(bp->strm->workspace);
  2325. kfree(bp->strm);
  2326. bp->strm = NULL;
  2327. if (bp->gunzip_buf) {
  2328. vfree(bp->gunzip_buf);
  2329. bp->gunzip_buf = NULL;
  2330. }
  2331. }
  2332. static int
  2333. bnx2_gunzip(struct bnx2 *bp, u8 *zbuf, int len, void **outbuf, int *outlen)
  2334. {
  2335. int n, rc;
  2336. /* check gzip header */
  2337. if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
  2338. return -EINVAL;
  2339. n = 10;
  2340. #define FNAME 0x8
  2341. if (zbuf[3] & FNAME)
  2342. while ((zbuf[n++] != 0) && (n < len));
  2343. bp->strm->next_in = zbuf + n;
  2344. bp->strm->avail_in = len - n;
  2345. bp->strm->next_out = bp->gunzip_buf;
  2346. bp->strm->avail_out = FW_BUF_SIZE;
  2347. rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
  2348. if (rc != Z_OK)
  2349. return rc;
  2350. rc = zlib_inflate(bp->strm, Z_FINISH);
  2351. *outlen = FW_BUF_SIZE - bp->strm->avail_out;
  2352. *outbuf = bp->gunzip_buf;
  2353. if ((rc != Z_OK) && (rc != Z_STREAM_END))
  2354. printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
  2355. bp->dev->name, bp->strm->msg);
  2356. zlib_inflateEnd(bp->strm);
  2357. if (rc == Z_STREAM_END)
  2358. return 0;
  2359. return rc;
  2360. }
  2361. static void
  2362. load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len,
  2363. u32 rv2p_proc)
  2364. {
  2365. int i;
  2366. u32 val;
  2367. for (i = 0; i < rv2p_code_len; i += 8) {
  2368. REG_WR(bp, BNX2_RV2P_INSTR_HIGH, cpu_to_le32(*rv2p_code));
  2369. rv2p_code++;
  2370. REG_WR(bp, BNX2_RV2P_INSTR_LOW, cpu_to_le32(*rv2p_code));
  2371. rv2p_code++;
  2372. if (rv2p_proc == RV2P_PROC1) {
  2373. val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
  2374. REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
  2375. }
  2376. else {
  2377. val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
  2378. REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
  2379. }
  2380. }
  2381. /* Reset the processor, un-stall is done later. */
  2382. if (rv2p_proc == RV2P_PROC1) {
  2383. REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
  2384. }
  2385. else {
  2386. REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
  2387. }
  2388. }
  2389. static int
  2390. load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
  2391. {
  2392. u32 offset;
  2393. u32 val;
  2394. int rc;
  2395. /* Halt the CPU. */
  2396. val = REG_RD_IND(bp, cpu_reg->mode);
  2397. val |= cpu_reg->mode_value_halt;
  2398. REG_WR_IND(bp, cpu_reg->mode, val);
  2399. REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
  2400. /* Load the Text area. */
  2401. offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
  2402. if (fw->gz_text) {
  2403. u32 text_len;
  2404. void *text;
  2405. rc = bnx2_gunzip(bp, fw->gz_text, fw->gz_text_len, &text,
  2406. &text_len);
  2407. if (rc)
  2408. return rc;
  2409. fw->text = text;
  2410. }
  2411. if (fw->gz_text) {
  2412. int j;
  2413. for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
  2414. REG_WR_IND(bp, offset, cpu_to_le32(fw->text[j]));
  2415. }
  2416. }
  2417. /* Load the Data area. */
  2418. offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
  2419. if (fw->data) {
  2420. int j;
  2421. for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
  2422. REG_WR_IND(bp, offset, fw->data[j]);
  2423. }
  2424. }
  2425. /* Load the SBSS area. */
  2426. offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
  2427. if (fw->sbss) {
  2428. int j;
  2429. for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
  2430. REG_WR_IND(bp, offset, fw->sbss[j]);
  2431. }
  2432. }
  2433. /* Load the BSS area. */
  2434. offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
  2435. if (fw->bss) {
  2436. int j;
  2437. for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
  2438. REG_WR_IND(bp, offset, fw->bss[j]);
  2439. }
  2440. }
  2441. /* Load the Read-Only area. */
  2442. offset = cpu_reg->spad_base +
  2443. (fw->rodata_addr - cpu_reg->mips_view_base);
  2444. if (fw->rodata) {
  2445. int j;
  2446. for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
  2447. REG_WR_IND(bp, offset, fw->rodata[j]);
  2448. }
  2449. }
  2450. /* Clear the pre-fetch instruction. */
  2451. REG_WR_IND(bp, cpu_reg->inst, 0);
  2452. REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
  2453. /* Start the CPU. */
  2454. val = REG_RD_IND(bp, cpu_reg->mode);
  2455. val &= ~cpu_reg->mode_value_halt;
  2456. REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
  2457. REG_WR_IND(bp, cpu_reg->mode, val);
  2458. return 0;
  2459. }
  2460. static int
  2461. bnx2_init_cpus(struct bnx2 *bp)
  2462. {
  2463. struct cpu_reg cpu_reg;
  2464. struct fw_info *fw;
  2465. int rc = 0;
  2466. void *text;
  2467. u32 text_len;
  2468. if ((rc = bnx2_gunzip_init(bp)) != 0)
  2469. return rc;
  2470. /* Initialize the RV2P processor. */
  2471. rc = bnx2_gunzip(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), &text,
  2472. &text_len);
  2473. if (rc)
  2474. goto init_cpu_err;
  2475. load_rv2p_fw(bp, text, text_len, RV2P_PROC1);
  2476. rc = bnx2_gunzip(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), &text,
  2477. &text_len);
  2478. if (rc)
  2479. goto init_cpu_err;
  2480. load_rv2p_fw(bp, text, text_len, RV2P_PROC2);
  2481. /* Initialize the RX Processor. */
  2482. cpu_reg.mode = BNX2_RXP_CPU_MODE;
  2483. cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
  2484. cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
  2485. cpu_reg.state = BNX2_RXP_CPU_STATE;
  2486. cpu_reg.state_value_clear = 0xffffff;
  2487. cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
  2488. cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
  2489. cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
  2490. cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
  2491. cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
  2492. cpu_reg.spad_base = BNX2_RXP_SCRATCH;
  2493. cpu_reg.mips_view_base = 0x8000000;
  2494. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2495. fw = &bnx2_rxp_fw_09;
  2496. else
  2497. fw = &bnx2_rxp_fw_06;
  2498. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2499. if (rc)
  2500. goto init_cpu_err;
  2501. /* Initialize the TX Processor. */
  2502. cpu_reg.mode = BNX2_TXP_CPU_MODE;
  2503. cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
  2504. cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
  2505. cpu_reg.state = BNX2_TXP_CPU_STATE;
  2506. cpu_reg.state_value_clear = 0xffffff;
  2507. cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
  2508. cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
  2509. cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
  2510. cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
  2511. cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
  2512. cpu_reg.spad_base = BNX2_TXP_SCRATCH;
  2513. cpu_reg.mips_view_base = 0x8000000;
  2514. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2515. fw = &bnx2_txp_fw_09;
  2516. else
  2517. fw = &bnx2_txp_fw_06;
  2518. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2519. if (rc)
  2520. goto init_cpu_err;
  2521. /* Initialize the TX Patch-up Processor. */
  2522. cpu_reg.mode = BNX2_TPAT_CPU_MODE;
  2523. cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
  2524. cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
  2525. cpu_reg.state = BNX2_TPAT_CPU_STATE;
  2526. cpu_reg.state_value_clear = 0xffffff;
  2527. cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
  2528. cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
  2529. cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
  2530. cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
  2531. cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
  2532. cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
  2533. cpu_reg.mips_view_base = 0x8000000;
  2534. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2535. fw = &bnx2_tpat_fw_09;
  2536. else
  2537. fw = &bnx2_tpat_fw_06;
  2538. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2539. if (rc)
  2540. goto init_cpu_err;
  2541. /* Initialize the Completion Processor. */
  2542. cpu_reg.mode = BNX2_COM_CPU_MODE;
  2543. cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
  2544. cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
  2545. cpu_reg.state = BNX2_COM_CPU_STATE;
  2546. cpu_reg.state_value_clear = 0xffffff;
  2547. cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
  2548. cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
  2549. cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
  2550. cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
  2551. cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
  2552. cpu_reg.spad_base = BNX2_COM_SCRATCH;
  2553. cpu_reg.mips_view_base = 0x8000000;
  2554. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2555. fw = &bnx2_com_fw_09;
  2556. else
  2557. fw = &bnx2_com_fw_06;
  2558. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2559. if (rc)
  2560. goto init_cpu_err;
  2561. /* Initialize the Command Processor. */
  2562. cpu_reg.mode = BNX2_CP_CPU_MODE;
  2563. cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
  2564. cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
  2565. cpu_reg.state = BNX2_CP_CPU_STATE;
  2566. cpu_reg.state_value_clear = 0xffffff;
  2567. cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
  2568. cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
  2569. cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
  2570. cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
  2571. cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
  2572. cpu_reg.spad_base = BNX2_CP_SCRATCH;
  2573. cpu_reg.mips_view_base = 0x8000000;
  2574. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  2575. fw = &bnx2_cp_fw_09;
  2576. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2577. if (rc)
  2578. goto init_cpu_err;
  2579. }
  2580. init_cpu_err:
  2581. bnx2_gunzip_end(bp);
  2582. return rc;
  2583. }
  2584. static int
  2585. bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
  2586. {
  2587. u16 pmcsr;
  2588. pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
  2589. switch (state) {
  2590. case PCI_D0: {
  2591. u32 val;
  2592. pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
  2593. (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
  2594. PCI_PM_CTRL_PME_STATUS);
  2595. if (pmcsr & PCI_PM_CTRL_STATE_MASK)
  2596. /* delay required during transition out of D3hot */
  2597. msleep(20);
  2598. val = REG_RD(bp, BNX2_EMAC_MODE);
  2599. val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
  2600. val &= ~BNX2_EMAC_MODE_MPKT;
  2601. REG_WR(bp, BNX2_EMAC_MODE, val);
  2602. val = REG_RD(bp, BNX2_RPM_CONFIG);
  2603. val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
  2604. REG_WR(bp, BNX2_RPM_CONFIG, val);
  2605. break;
  2606. }
  2607. case PCI_D3hot: {
  2608. int i;
  2609. u32 val, wol_msg;
  2610. if (bp->wol) {
  2611. u32 advertising;
  2612. u8 autoneg;
  2613. autoneg = bp->autoneg;
  2614. advertising = bp->advertising;
  2615. bp->autoneg = AUTONEG_SPEED;
  2616. bp->advertising = ADVERTISED_10baseT_Half |
  2617. ADVERTISED_10baseT_Full |
  2618. ADVERTISED_100baseT_Half |
  2619. ADVERTISED_100baseT_Full |
  2620. ADVERTISED_Autoneg;
  2621. bnx2_setup_copper_phy(bp);
  2622. bp->autoneg = autoneg;
  2623. bp->advertising = advertising;
  2624. bnx2_set_mac_addr(bp);
  2625. val = REG_RD(bp, BNX2_EMAC_MODE);
  2626. /* Enable port mode. */
  2627. val &= ~BNX2_EMAC_MODE_PORT;
  2628. val |= BNX2_EMAC_MODE_PORT_MII |
  2629. BNX2_EMAC_MODE_MPKT_RCVD |
  2630. BNX2_EMAC_MODE_ACPI_RCVD |
  2631. BNX2_EMAC_MODE_MPKT;
  2632. REG_WR(bp, BNX2_EMAC_MODE, val);
  2633. /* receive all multicast */
  2634. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  2635. REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  2636. 0xffffffff);
  2637. }
  2638. REG_WR(bp, BNX2_EMAC_RX_MODE,
  2639. BNX2_EMAC_RX_MODE_SORT_MODE);
  2640. val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
  2641. BNX2_RPM_SORT_USER0_MC_EN;
  2642. REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
  2643. REG_WR(bp, BNX2_RPM_SORT_USER0, val);
  2644. REG_WR(bp, BNX2_RPM_SORT_USER0, val |
  2645. BNX2_RPM_SORT_USER0_ENA);
  2646. /* Need to enable EMAC and RPM for WOL. */
  2647. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  2648. BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
  2649. BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
  2650. BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
  2651. val = REG_RD(bp, BNX2_RPM_CONFIG);
  2652. val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
  2653. REG_WR(bp, BNX2_RPM_CONFIG, val);
  2654. wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  2655. }
  2656. else {
  2657. wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  2658. }
  2659. if (!(bp->flags & NO_WOL_FLAG))
  2660. bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
  2661. pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
  2662. if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
  2663. (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
  2664. if (bp->wol)
  2665. pmcsr |= 3;
  2666. }
  2667. else {
  2668. pmcsr |= 3;
  2669. }
  2670. if (bp->wol) {
  2671. pmcsr |= PCI_PM_CTRL_PME_ENABLE;
  2672. }
  2673. pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
  2674. pmcsr);
  2675. /* No more memory access after this point until
  2676. * device is brought back to D0.
  2677. */
  2678. udelay(50);
  2679. break;
  2680. }
  2681. default:
  2682. return -EINVAL;
  2683. }
  2684. return 0;
  2685. }
  2686. static int
  2687. bnx2_acquire_nvram_lock(struct bnx2 *bp)
  2688. {
  2689. u32 val;
  2690. int j;
  2691. /* Request access to the flash interface. */
  2692. REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
  2693. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  2694. val = REG_RD(bp, BNX2_NVM_SW_ARB);
  2695. if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
  2696. break;
  2697. udelay(5);
  2698. }
  2699. if (j >= NVRAM_TIMEOUT_COUNT)
  2700. return -EBUSY;
  2701. return 0;
  2702. }
  2703. static int
  2704. bnx2_release_nvram_lock(struct bnx2 *bp)
  2705. {
  2706. int j;
  2707. u32 val;
  2708. /* Relinquish nvram interface. */
  2709. REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
  2710. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  2711. val = REG_RD(bp, BNX2_NVM_SW_ARB);
  2712. if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
  2713. break;
  2714. udelay(5);
  2715. }
  2716. if (j >= NVRAM_TIMEOUT_COUNT)
  2717. return -EBUSY;
  2718. return 0;
  2719. }
  2720. static int
  2721. bnx2_enable_nvram_write(struct bnx2 *bp)
  2722. {
  2723. u32 val;
  2724. val = REG_RD(bp, BNX2_MISC_CFG);
  2725. REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
  2726. if (bp->flash_info->flags & BNX2_NV_WREN) {
  2727. int j;
  2728. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  2729. REG_WR(bp, BNX2_NVM_COMMAND,
  2730. BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
  2731. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  2732. udelay(5);
  2733. val = REG_RD(bp, BNX2_NVM_COMMAND);
  2734. if (val & BNX2_NVM_COMMAND_DONE)
  2735. break;
  2736. }
  2737. if (j >= NVRAM_TIMEOUT_COUNT)
  2738. return -EBUSY;
  2739. }
  2740. return 0;
  2741. }
  2742. static void
  2743. bnx2_disable_nvram_write(struct bnx2 *bp)
  2744. {
  2745. u32 val;
  2746. val = REG_RD(bp, BNX2_MISC_CFG);
  2747. REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
  2748. }
  2749. static void
  2750. bnx2_enable_nvram_access(struct bnx2 *bp)
  2751. {
  2752. u32 val;
  2753. val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
  2754. /* Enable both bits, even on read. */
  2755. REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
  2756. val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
  2757. }
  2758. static void
  2759. bnx2_disable_nvram_access(struct bnx2 *bp)
  2760. {
  2761. u32 val;
  2762. val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
  2763. /* Disable both bits, even after read. */
  2764. REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
  2765. val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
  2766. BNX2_NVM_ACCESS_ENABLE_WR_EN));
  2767. }
  2768. static int
  2769. bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
  2770. {
  2771. u32 cmd;
  2772. int j;
  2773. if (bp->flash_info->flags & BNX2_NV_BUFFERED)
  2774. /* Buffered flash, no erase needed */
  2775. return 0;
  2776. /* Build an erase command */
  2777. cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
  2778. BNX2_NVM_COMMAND_DOIT;
  2779. /* Need to clear DONE bit separately. */
  2780. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  2781. /* Address of the NVRAM to read from. */
  2782. REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  2783. /* Issue an erase command. */
  2784. REG_WR(bp, BNX2_NVM_COMMAND, cmd);
  2785. /* Wait for completion. */
  2786. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  2787. u32 val;
  2788. udelay(5);
  2789. val = REG_RD(bp, BNX2_NVM_COMMAND);
  2790. if (val & BNX2_NVM_COMMAND_DONE)
  2791. break;
  2792. }
  2793. if (j >= NVRAM_TIMEOUT_COUNT)
  2794. return -EBUSY;
  2795. return 0;
  2796. }
  2797. static int
  2798. bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
  2799. {
  2800. u32 cmd;
  2801. int j;
  2802. /* Build the command word. */
  2803. cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
  2804. /* Calculate an offset of a buffered flash, not needed for 5709. */
  2805. if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
  2806. offset = ((offset / bp->flash_info->page_size) <<
  2807. bp->flash_info->page_bits) +
  2808. (offset % bp->flash_info->page_size);
  2809. }
  2810. /* Need to clear DONE bit separately. */
  2811. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  2812. /* Address of the NVRAM to read from. */
  2813. REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  2814. /* Issue a read command. */
  2815. REG_WR(bp, BNX2_NVM_COMMAND, cmd);
  2816. /* Wait for completion. */
  2817. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  2818. u32 val;
  2819. udelay(5);
  2820. val = REG_RD(bp, BNX2_NVM_COMMAND);
  2821. if (val & BNX2_NVM_COMMAND_DONE) {
  2822. val = REG_RD(bp, BNX2_NVM_READ);
  2823. val = be32_to_cpu(val);
  2824. memcpy(ret_val, &val, 4);
  2825. break;
  2826. }
  2827. }
  2828. if (j >= NVRAM_TIMEOUT_COUNT)
  2829. return -EBUSY;
  2830. return 0;
  2831. }
  2832. static int
  2833. bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
  2834. {
  2835. u32 cmd, val32;
  2836. int j;
  2837. /* Build the command word. */
  2838. cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
  2839. /* Calculate an offset of a buffered flash, not needed for 5709. */
  2840. if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
  2841. offset = ((offset / bp->flash_info->page_size) <<
  2842. bp->flash_info->page_bits) +
  2843. (offset % bp->flash_info->page_size);
  2844. }
  2845. /* Need to clear DONE bit separately. */
  2846. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  2847. memcpy(&val32, val, 4);
  2848. val32 = cpu_to_be32(val32);
  2849. /* Write the data. */
  2850. REG_WR(bp, BNX2_NVM_WRITE, val32);
  2851. /* Address of the NVRAM to write to. */
  2852. REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  2853. /* Issue the write command. */
  2854. REG_WR(bp, BNX2_NVM_COMMAND, cmd);
  2855. /* Wait for completion. */
  2856. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  2857. udelay(5);
  2858. if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
  2859. break;
  2860. }
  2861. if (j >= NVRAM_TIMEOUT_COUNT)
  2862. return -EBUSY;
  2863. return 0;
  2864. }
  2865. static int
  2866. bnx2_init_nvram(struct bnx2 *bp)
  2867. {
  2868. u32 val;
  2869. int j, entry_count, rc = 0;
  2870. struct flash_spec *flash;
  2871. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  2872. bp->flash_info = &flash_5709;
  2873. goto get_flash_size;
  2874. }
  2875. /* Determine the selected interface. */
  2876. val = REG_RD(bp, BNX2_NVM_CFG1);
  2877. entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
  2878. if (val & 0x40000000) {
  2879. /* Flash interface has been reconfigured */
  2880. for (j = 0, flash = &flash_table[0]; j < entry_count;
  2881. j++, flash++) {
  2882. if ((val & FLASH_BACKUP_STRAP_MASK) ==
  2883. (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
  2884. bp->flash_info = flash;
  2885. break;
  2886. }
  2887. }
  2888. }
  2889. else {
  2890. u32 mask;
  2891. /* Not yet been reconfigured */
  2892. if (val & (1 << 23))
  2893. mask = FLASH_BACKUP_STRAP_MASK;
  2894. else
  2895. mask = FLASH_STRAP_MASK;
  2896. for (j = 0, flash = &flash_table[0]; j < entry_count;
  2897. j++, flash++) {
  2898. if ((val & mask) == (flash->strapping & mask)) {
  2899. bp->flash_info = flash;
  2900. /* Request access to the flash interface. */
  2901. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  2902. return rc;
  2903. /* Enable access to flash interface */
  2904. bnx2_enable_nvram_access(bp);
  2905. /* Reconfigure the flash interface */
  2906. REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
  2907. REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
  2908. REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
  2909. REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
  2910. /* Disable access to flash interface */
  2911. bnx2_disable_nvram_access(bp);
  2912. bnx2_release_nvram_lock(bp);
  2913. break;
  2914. }
  2915. }
  2916. } /* if (val & 0x40000000) */
  2917. if (j == entry_count) {
  2918. bp->flash_info = NULL;
  2919. printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
  2920. return -ENODEV;
  2921. }
  2922. get_flash_size:
  2923. val = REG_RD_IND(bp, bp->shmem_base + BNX2_SHARED_HW_CFG_CONFIG2);
  2924. val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
  2925. if (val)
  2926. bp->flash_size = val;
  2927. else
  2928. bp->flash_size = bp->flash_info->total_size;
  2929. return rc;
  2930. }
  2931. static int
  2932. bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
  2933. int buf_size)
  2934. {
  2935. int rc = 0;
  2936. u32 cmd_flags, offset32, len32, extra;
  2937. if (buf_size == 0)
  2938. return 0;
  2939. /* Request access to the flash interface. */
  2940. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  2941. return rc;
  2942. /* Enable access to flash interface */
  2943. bnx2_enable_nvram_access(bp);
  2944. len32 = buf_size;
  2945. offset32 = offset;
  2946. extra = 0;
  2947. cmd_flags = 0;
  2948. if (offset32 & 3) {
  2949. u8 buf[4];
  2950. u32 pre_len;
  2951. offset32 &= ~3;
  2952. pre_len = 4 - (offset & 3);
  2953. if (pre_len >= len32) {
  2954. pre_len = len32;
  2955. cmd_flags = BNX2_NVM_COMMAND_FIRST |
  2956. BNX2_NVM_COMMAND_LAST;
  2957. }
  2958. else {
  2959. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  2960. }
  2961. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  2962. if (rc)
  2963. return rc;
  2964. memcpy(ret_buf, buf + (offset & 3), pre_len);
  2965. offset32 += 4;
  2966. ret_buf += pre_len;
  2967. len32 -= pre_len;
  2968. }
  2969. if (len32 & 3) {
  2970. extra = 4 - (len32 & 3);
  2971. len32 = (len32 + 4) & ~3;
  2972. }
  2973. if (len32 == 4) {
  2974. u8 buf[4];
  2975. if (cmd_flags)
  2976. cmd_flags = BNX2_NVM_COMMAND_LAST;
  2977. else
  2978. cmd_flags = BNX2_NVM_COMMAND_FIRST |
  2979. BNX2_NVM_COMMAND_LAST;
  2980. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  2981. memcpy(ret_buf, buf, 4 - extra);
  2982. }
  2983. else if (len32 > 0) {
  2984. u8 buf[4];
  2985. /* Read the first word. */
  2986. if (cmd_flags)
  2987. cmd_flags = 0;
  2988. else
  2989. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  2990. rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
  2991. /* Advance to the next dword. */
  2992. offset32 += 4;
  2993. ret_buf += 4;
  2994. len32 -= 4;
  2995. while (len32 > 4 && rc == 0) {
  2996. rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
  2997. /* Advance to the next dword. */
  2998. offset32 += 4;
  2999. ret_buf += 4;
  3000. len32 -= 4;
  3001. }
  3002. if (rc)
  3003. return rc;
  3004. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3005. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3006. memcpy(ret_buf, buf, 4 - extra);
  3007. }
  3008. /* Disable access to flash interface */
  3009. bnx2_disable_nvram_access(bp);
  3010. bnx2_release_nvram_lock(bp);
  3011. return rc;
  3012. }
  3013. static int
  3014. bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
  3015. int buf_size)
  3016. {
  3017. u32 written, offset32, len32;
  3018. u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
  3019. int rc = 0;
  3020. int align_start, align_end;
  3021. buf = data_buf;
  3022. offset32 = offset;
  3023. len32 = buf_size;
  3024. align_start = align_end = 0;
  3025. if ((align_start = (offset32 & 3))) {
  3026. offset32 &= ~3;
  3027. len32 += align_start;
  3028. if (len32 < 4)
  3029. len32 = 4;
  3030. if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
  3031. return rc;
  3032. }
  3033. if (len32 & 3) {
  3034. align_end = 4 - (len32 & 3);
  3035. len32 += align_end;
  3036. if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
  3037. return rc;
  3038. }
  3039. if (align_start || align_end) {
  3040. align_buf = kmalloc(len32, GFP_KERNEL);
  3041. if (align_buf == NULL)
  3042. return -ENOMEM;
  3043. if (align_start) {
  3044. memcpy(align_buf, start, 4);
  3045. }
  3046. if (align_end) {
  3047. memcpy(align_buf + len32 - 4, end, 4);
  3048. }
  3049. memcpy(align_buf + align_start, data_buf, buf_size);
  3050. buf = align_buf;
  3051. }
  3052. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3053. flash_buffer = kmalloc(264, GFP_KERNEL);
  3054. if (flash_buffer == NULL) {
  3055. rc = -ENOMEM;
  3056. goto nvram_write_end;
  3057. }
  3058. }
  3059. written = 0;
  3060. while ((written < len32) && (rc == 0)) {
  3061. u32 page_start, page_end, data_start, data_end;
  3062. u32 addr, cmd_flags;
  3063. int i;
  3064. /* Find the page_start addr */
  3065. page_start = offset32 + written;
  3066. page_start -= (page_start % bp->flash_info->page_size);
  3067. /* Find the page_end addr */
  3068. page_end = page_start + bp->flash_info->page_size;
  3069. /* Find the data_start addr */
  3070. data_start = (written == 0) ? offset32 : page_start;
  3071. /* Find the data_end addr */
  3072. data_end = (page_end > offset32 + len32) ?
  3073. (offset32 + len32) : page_end;
  3074. /* Request access to the flash interface. */
  3075. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3076. goto nvram_write_end;
  3077. /* Enable access to flash interface */
  3078. bnx2_enable_nvram_access(bp);
  3079. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3080. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3081. int j;
  3082. /* Read the whole page into the buffer
  3083. * (non-buffer flash only) */
  3084. for (j = 0; j < bp->flash_info->page_size; j += 4) {
  3085. if (j == (bp->flash_info->page_size - 4)) {
  3086. cmd_flags |= BNX2_NVM_COMMAND_LAST;
  3087. }
  3088. rc = bnx2_nvram_read_dword(bp,
  3089. page_start + j,
  3090. &flash_buffer[j],
  3091. cmd_flags);
  3092. if (rc)
  3093. goto nvram_write_end;
  3094. cmd_flags = 0;
  3095. }
  3096. }
  3097. /* Enable writes to flash interface (unlock write-protect) */
  3098. if ((rc = bnx2_enable_nvram_write(bp)) != 0)
  3099. goto nvram_write_end;
  3100. /* Loop to write back the buffer data from page_start to
  3101. * data_start */
  3102. i = 0;
  3103. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3104. /* Erase the page */
  3105. if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
  3106. goto nvram_write_end;
  3107. /* Re-enable the write again for the actual write */
  3108. bnx2_enable_nvram_write(bp);
  3109. for (addr = page_start; addr < data_start;
  3110. addr += 4, i += 4) {
  3111. rc = bnx2_nvram_write_dword(bp, addr,
  3112. &flash_buffer[i], cmd_flags);
  3113. if (rc != 0)
  3114. goto nvram_write_end;
  3115. cmd_flags = 0;
  3116. }
  3117. }
  3118. /* Loop to write the new data from data_start to data_end */
  3119. for (addr = data_start; addr < data_end; addr += 4, i += 4) {
  3120. if ((addr == page_end - 4) ||
  3121. ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
  3122. (addr == data_end - 4))) {
  3123. cmd_flags |= BNX2_NVM_COMMAND_LAST;
  3124. }
  3125. rc = bnx2_nvram_write_dword(bp, addr, buf,
  3126. cmd_flags);
  3127. if (rc != 0)
  3128. goto nvram_write_end;
  3129. cmd_flags = 0;
  3130. buf += 4;
  3131. }
  3132. /* Loop to write back the buffer data from data_end
  3133. * to page_end */
  3134. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3135. for (addr = data_end; addr < page_end;
  3136. addr += 4, i += 4) {
  3137. if (addr == page_end-4) {
  3138. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3139. }
  3140. rc = bnx2_nvram_write_dword(bp, addr,
  3141. &flash_buffer[i], cmd_flags);
  3142. if (rc != 0)
  3143. goto nvram_write_end;
  3144. cmd_flags = 0;
  3145. }
  3146. }
  3147. /* Disable writes to flash interface (lock write-protect) */
  3148. bnx2_disable_nvram_write(bp);
  3149. /* Disable access to flash interface */
  3150. bnx2_disable_nvram_access(bp);
  3151. bnx2_release_nvram_lock(bp);
  3152. /* Increment written */
  3153. written += data_end - data_start;
  3154. }
  3155. nvram_write_end:
  3156. kfree(flash_buffer);
  3157. kfree(align_buf);
  3158. return rc;
  3159. }
  3160. static void
  3161. bnx2_init_remote_phy(struct bnx2 *bp)
  3162. {
  3163. u32 val;
  3164. bp->phy_flags &= ~REMOTE_PHY_CAP_FLAG;
  3165. if (!(bp->phy_flags & PHY_SERDES_FLAG))
  3166. return;
  3167. val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_CAP_MB);
  3168. if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
  3169. return;
  3170. if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
  3171. if (netif_running(bp->dev)) {
  3172. val = BNX2_DRV_ACK_CAP_SIGNATURE |
  3173. BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
  3174. REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_ACK_CAP_MB,
  3175. val);
  3176. }
  3177. bp->phy_flags |= REMOTE_PHY_CAP_FLAG;
  3178. val = REG_RD_IND(bp, bp->shmem_base + BNX2_LINK_STATUS);
  3179. if (val & BNX2_LINK_STATUS_SERDES_LINK)
  3180. bp->phy_port = PORT_FIBRE;
  3181. else
  3182. bp->phy_port = PORT_TP;
  3183. }
  3184. }
  3185. static int
  3186. bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
  3187. {
  3188. u32 val;
  3189. int i, rc = 0;
  3190. /* Wait for the current PCI transaction to complete before
  3191. * issuing a reset. */
  3192. REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
  3193. BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
  3194. BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
  3195. BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
  3196. BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
  3197. val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
  3198. udelay(5);
  3199. /* Wait for the firmware to tell us it is ok to issue a reset. */
  3200. bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
  3201. /* Deposit a driver reset signature so the firmware knows that
  3202. * this is a soft reset. */
  3203. REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
  3204. BNX2_DRV_RESET_SIGNATURE_MAGIC);
  3205. /* Do a dummy read to force the chip to complete all current transaction
  3206. * before we issue a reset. */
  3207. val = REG_RD(bp, BNX2_MISC_ID);
  3208. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3209. REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
  3210. REG_RD(bp, BNX2_MISC_COMMAND);
  3211. udelay(5);
  3212. val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  3213. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
  3214. pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
  3215. } else {
  3216. val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3217. BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  3218. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
  3219. /* Chip reset. */
  3220. REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
  3221. if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
  3222. (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
  3223. current->state = TASK_UNINTERRUPTIBLE;
  3224. schedule_timeout(HZ / 50);
  3225. }
  3226. /* Reset takes approximate 30 usec */
  3227. for (i = 0; i < 10; i++) {
  3228. val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
  3229. if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3230. BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
  3231. break;
  3232. udelay(10);
  3233. }
  3234. if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3235. BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
  3236. printk(KERN_ERR PFX "Chip reset did not complete\n");
  3237. return -EBUSY;
  3238. }
  3239. }
  3240. /* Make sure byte swapping is properly configured. */
  3241. val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
  3242. if (val != 0x01020304) {
  3243. printk(KERN_ERR PFX "Chip not in correct endian mode\n");
  3244. return -ENODEV;
  3245. }
  3246. /* Wait for the firmware to finish its initialization. */
  3247. rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
  3248. if (rc)
  3249. return rc;
  3250. spin_lock_bh(&bp->phy_lock);
  3251. bnx2_init_remote_phy(bp);
  3252. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
  3253. bnx2_set_default_remote_link(bp);
  3254. spin_unlock_bh(&bp->phy_lock);
  3255. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  3256. /* Adjust the voltage regular to two steps lower. The default
  3257. * of this register is 0x0000000e. */
  3258. REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
  3259. /* Remove bad rbuf memory from the free pool. */
  3260. rc = bnx2_alloc_bad_rbuf(bp);
  3261. }
  3262. return rc;
  3263. }
  3264. static int
  3265. bnx2_init_chip(struct bnx2 *bp)
  3266. {
  3267. u32 val;
  3268. int rc;
  3269. /* Make sure the interrupt is not active. */
  3270. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  3271. val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
  3272. BNX2_DMA_CONFIG_DATA_WORD_SWAP |
  3273. #ifdef __BIG_ENDIAN
  3274. BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
  3275. #endif
  3276. BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
  3277. DMA_READ_CHANS << 12 |
  3278. DMA_WRITE_CHANS << 16;
  3279. val |= (0x2 << 20) | (1 << 11);
  3280. if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
  3281. val |= (1 << 23);
  3282. if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
  3283. (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
  3284. val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
  3285. REG_WR(bp, BNX2_DMA_CONFIG, val);
  3286. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  3287. val = REG_RD(bp, BNX2_TDMA_CONFIG);
  3288. val |= BNX2_TDMA_CONFIG_ONE_DMA;
  3289. REG_WR(bp, BNX2_TDMA_CONFIG, val);
  3290. }
  3291. if (bp->flags & PCIX_FLAG) {
  3292. u16 val16;
  3293. pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
  3294. &val16);
  3295. pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
  3296. val16 & ~PCI_X_CMD_ERO);
  3297. }
  3298. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  3299. BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
  3300. BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
  3301. BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
  3302. /* Initialize context mapping and zero out the quick contexts. The
  3303. * context block must have already been enabled. */
  3304. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3305. rc = bnx2_init_5709_context(bp);
  3306. if (rc)
  3307. return rc;
  3308. } else
  3309. bnx2_init_context(bp);
  3310. if ((rc = bnx2_init_cpus(bp)) != 0)
  3311. return rc;
  3312. bnx2_init_nvram(bp);
  3313. bnx2_set_mac_addr(bp);
  3314. val = REG_RD(bp, BNX2_MQ_CONFIG);
  3315. val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
  3316. val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
  3317. if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
  3318. val |= BNX2_MQ_CONFIG_HALT_DIS;
  3319. REG_WR(bp, BNX2_MQ_CONFIG, val);
  3320. val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
  3321. REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
  3322. REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
  3323. val = (BCM_PAGE_BITS - 8) << 24;
  3324. REG_WR(bp, BNX2_RV2P_CONFIG, val);
  3325. /* Configure page size. */
  3326. val = REG_RD(bp, BNX2_TBDR_CONFIG);
  3327. val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
  3328. val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
  3329. REG_WR(bp, BNX2_TBDR_CONFIG, val);
  3330. val = bp->mac_addr[0] +
  3331. (bp->mac_addr[1] << 8) +
  3332. (bp->mac_addr[2] << 16) +
  3333. bp->mac_addr[3] +
  3334. (bp->mac_addr[4] << 8) +
  3335. (bp->mac_addr[5] << 16);
  3336. REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
  3337. /* Program the MTU. Also include 4 bytes for CRC32. */
  3338. val = bp->dev->mtu + ETH_HLEN + 4;
  3339. if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
  3340. val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
  3341. REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
  3342. bp->last_status_idx = 0;
  3343. bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
  3344. /* Set up how to generate a link change interrupt. */
  3345. REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
  3346. REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
  3347. (u64) bp->status_blk_mapping & 0xffffffff);
  3348. REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
  3349. REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
  3350. (u64) bp->stats_blk_mapping & 0xffffffff);
  3351. REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
  3352. (u64) bp->stats_blk_mapping >> 32);
  3353. REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
  3354. (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
  3355. REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
  3356. (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
  3357. REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
  3358. (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
  3359. REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
  3360. REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
  3361. REG_WR(bp, BNX2_HC_COM_TICKS,
  3362. (bp->com_ticks_int << 16) | bp->com_ticks);
  3363. REG_WR(bp, BNX2_HC_CMD_TICKS,
  3364. (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
  3365. if (CHIP_NUM(bp) == CHIP_NUM_5708)
  3366. REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
  3367. else
  3368. REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
  3369. REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
  3370. if (CHIP_ID(bp) == CHIP_ID_5706_A1)
  3371. val = BNX2_HC_CONFIG_COLLECT_STATS;
  3372. else {
  3373. val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
  3374. BNX2_HC_CONFIG_COLLECT_STATS;
  3375. }
  3376. if (bp->flags & ONE_SHOT_MSI_FLAG)
  3377. val |= BNX2_HC_CONFIG_ONE_SHOT;
  3378. REG_WR(bp, BNX2_HC_CONFIG, val);
  3379. /* Clear internal stats counters. */
  3380. REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
  3381. REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
  3382. /* Initialize the receive filter. */
  3383. bnx2_set_rx_mode(bp->dev);
  3384. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3385. val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
  3386. val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
  3387. REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
  3388. }
  3389. rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
  3390. 0);
  3391. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
  3392. REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
  3393. udelay(20);
  3394. bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
  3395. return rc;
  3396. }
  3397. static void
  3398. bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
  3399. {
  3400. u32 val, offset0, offset1, offset2, offset3;
  3401. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3402. offset0 = BNX2_L2CTX_TYPE_XI;
  3403. offset1 = BNX2_L2CTX_CMD_TYPE_XI;
  3404. offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
  3405. offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
  3406. } else {
  3407. offset0 = BNX2_L2CTX_TYPE;
  3408. offset1 = BNX2_L2CTX_CMD_TYPE;
  3409. offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
  3410. offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
  3411. }
  3412. val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
  3413. CTX_WR(bp, GET_CID_ADDR(cid), offset0, val);
  3414. val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
  3415. CTX_WR(bp, GET_CID_ADDR(cid), offset1, val);
  3416. val = (u64) bp->tx_desc_mapping >> 32;
  3417. CTX_WR(bp, GET_CID_ADDR(cid), offset2, val);
  3418. val = (u64) bp->tx_desc_mapping & 0xffffffff;
  3419. CTX_WR(bp, GET_CID_ADDR(cid), offset3, val);
  3420. }
  3421. static void
  3422. bnx2_init_tx_ring(struct bnx2 *bp)
  3423. {
  3424. struct tx_bd *txbd;
  3425. u32 cid;
  3426. bp->tx_wake_thresh = bp->tx_ring_size / 2;
  3427. txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
  3428. txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
  3429. txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
  3430. bp->tx_prod = 0;
  3431. bp->tx_cons = 0;
  3432. bp->hw_tx_cons = 0;
  3433. bp->tx_prod_bseq = 0;
  3434. cid = TX_CID;
  3435. bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
  3436. bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
  3437. bnx2_init_tx_context(bp, cid);
  3438. }
  3439. static void
  3440. bnx2_init_rx_ring(struct bnx2 *bp)
  3441. {
  3442. struct rx_bd *rxbd;
  3443. int i;
  3444. u16 prod, ring_prod;
  3445. u32 val;
  3446. /* 8 for CRC and VLAN */
  3447. bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
  3448. /* hw alignment */
  3449. bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
  3450. ring_prod = prod = bp->rx_prod = 0;
  3451. bp->rx_cons = 0;
  3452. bp->hw_rx_cons = 0;
  3453. bp->rx_prod_bseq = 0;
  3454. for (i = 0; i < bp->rx_max_ring; i++) {
  3455. int j;
  3456. rxbd = &bp->rx_desc_ring[i][0];
  3457. for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
  3458. rxbd->rx_bd_len = bp->rx_buf_use_size;
  3459. rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
  3460. }
  3461. if (i == (bp->rx_max_ring - 1))
  3462. j = 0;
  3463. else
  3464. j = i + 1;
  3465. rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping[j] >> 32;
  3466. rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping[j] &
  3467. 0xffffffff;
  3468. }
  3469. val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
  3470. val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
  3471. val |= 0x02 << 8;
  3472. CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
  3473. val = (u64) bp->rx_desc_mapping[0] >> 32;
  3474. CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val);
  3475. val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
  3476. CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
  3477. for (i = 0; i < bp->rx_ring_size; i++) {
  3478. if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) {
  3479. break;
  3480. }
  3481. prod = NEXT_RX_BD(prod);
  3482. ring_prod = RX_RING_IDX(prod);
  3483. }
  3484. bp->rx_prod = prod;
  3485. REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
  3486. REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
  3487. }
  3488. static void
  3489. bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
  3490. {
  3491. u32 num_rings, max;
  3492. bp->rx_ring_size = size;
  3493. num_rings = 1;
  3494. while (size > MAX_RX_DESC_CNT) {
  3495. size -= MAX_RX_DESC_CNT;
  3496. num_rings++;
  3497. }
  3498. /* round to next power of 2 */
  3499. max = MAX_RX_RINGS;
  3500. while ((max & num_rings) == 0)
  3501. max >>= 1;
  3502. if (num_rings != max)
  3503. max <<= 1;
  3504. bp->rx_max_ring = max;
  3505. bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
  3506. }
  3507. static void
  3508. bnx2_free_tx_skbs(struct bnx2 *bp)
  3509. {
  3510. int i;
  3511. if (bp->tx_buf_ring == NULL)
  3512. return;
  3513. for (i = 0; i < TX_DESC_CNT; ) {
  3514. struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
  3515. struct sk_buff *skb = tx_buf->skb;
  3516. int j, last;
  3517. if (skb == NULL) {
  3518. i++;
  3519. continue;
  3520. }
  3521. pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
  3522. skb_headlen(skb), PCI_DMA_TODEVICE);
  3523. tx_buf->skb = NULL;
  3524. last = skb_shinfo(skb)->nr_frags;
  3525. for (j = 0; j < last; j++) {
  3526. tx_buf = &bp->tx_buf_ring[i + j + 1];
  3527. pci_unmap_page(bp->pdev,
  3528. pci_unmap_addr(tx_buf, mapping),
  3529. skb_shinfo(skb)->frags[j].size,
  3530. PCI_DMA_TODEVICE);
  3531. }
  3532. dev_kfree_skb(skb);
  3533. i += j + 1;
  3534. }
  3535. }
  3536. static void
  3537. bnx2_free_rx_skbs(struct bnx2 *bp)
  3538. {
  3539. int i;
  3540. if (bp->rx_buf_ring == NULL)
  3541. return;
  3542. for (i = 0; i < bp->rx_max_ring_idx; i++) {
  3543. struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
  3544. struct sk_buff *skb = rx_buf->skb;
  3545. if (skb == NULL)
  3546. continue;
  3547. pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
  3548. bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
  3549. rx_buf->skb = NULL;
  3550. dev_kfree_skb(skb);
  3551. }
  3552. }
  3553. static void
  3554. bnx2_free_skbs(struct bnx2 *bp)
  3555. {
  3556. bnx2_free_tx_skbs(bp);
  3557. bnx2_free_rx_skbs(bp);
  3558. }
  3559. static int
  3560. bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
  3561. {
  3562. int rc;
  3563. rc = bnx2_reset_chip(bp, reset_code);
  3564. bnx2_free_skbs(bp);
  3565. if (rc)
  3566. return rc;
  3567. if ((rc = bnx2_init_chip(bp)) != 0)
  3568. return rc;
  3569. bnx2_init_tx_ring(bp);
  3570. bnx2_init_rx_ring(bp);
  3571. return 0;
  3572. }
  3573. static int
  3574. bnx2_init_nic(struct bnx2 *bp)
  3575. {
  3576. int rc;
  3577. if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
  3578. return rc;
  3579. spin_lock_bh(&bp->phy_lock);
  3580. bnx2_init_phy(bp);
  3581. bnx2_set_link(bp);
  3582. spin_unlock_bh(&bp->phy_lock);
  3583. return 0;
  3584. }
  3585. static int
  3586. bnx2_test_registers(struct bnx2 *bp)
  3587. {
  3588. int ret;
  3589. int i, is_5709;
  3590. static const struct {
  3591. u16 offset;
  3592. u16 flags;
  3593. #define BNX2_FL_NOT_5709 1
  3594. u32 rw_mask;
  3595. u32 ro_mask;
  3596. } reg_tbl[] = {
  3597. { 0x006c, 0, 0x00000000, 0x0000003f },
  3598. { 0x0090, 0, 0xffffffff, 0x00000000 },
  3599. { 0x0094, 0, 0x00000000, 0x00000000 },
  3600. { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
  3601. { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  3602. { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  3603. { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
  3604. { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
  3605. { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
  3606. { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
  3607. { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  3608. { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  3609. { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  3610. { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  3611. { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  3612. { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  3613. { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  3614. { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  3615. { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
  3616. { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
  3617. { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
  3618. { 0x1000, 0, 0x00000000, 0x00000001 },
  3619. { 0x1004, 0, 0x00000000, 0x000f0001 },
  3620. { 0x1408, 0, 0x01c00800, 0x00000000 },
  3621. { 0x149c, 0, 0x8000ffff, 0x00000000 },
  3622. { 0x14a8, 0, 0x00000000, 0x000001ff },
  3623. { 0x14ac, 0, 0x0fffffff, 0x10000000 },
  3624. { 0x14b0, 0, 0x00000002, 0x00000001 },
  3625. { 0x14b8, 0, 0x00000000, 0x00000000 },
  3626. { 0x14c0, 0, 0x00000000, 0x00000009 },
  3627. { 0x14c4, 0, 0x00003fff, 0x00000000 },
  3628. { 0x14cc, 0, 0x00000000, 0x00000001 },
  3629. { 0x14d0, 0, 0xffffffff, 0x00000000 },
  3630. { 0x1800, 0, 0x00000000, 0x00000001 },
  3631. { 0x1804, 0, 0x00000000, 0x00000003 },
  3632. { 0x2800, 0, 0x00000000, 0x00000001 },
  3633. { 0x2804, 0, 0x00000000, 0x00003f01 },
  3634. { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
  3635. { 0x2810, 0, 0xffff0000, 0x00000000 },
  3636. { 0x2814, 0, 0xffff0000, 0x00000000 },
  3637. { 0x2818, 0, 0xffff0000, 0x00000000 },
  3638. { 0x281c, 0, 0xffff0000, 0x00000000 },
  3639. { 0x2834, 0, 0xffffffff, 0x00000000 },
  3640. { 0x2840, 0, 0x00000000, 0xffffffff },
  3641. { 0x2844, 0, 0x00000000, 0xffffffff },
  3642. { 0x2848, 0, 0xffffffff, 0x00000000 },
  3643. { 0x284c, 0, 0xf800f800, 0x07ff07ff },
  3644. { 0x2c00, 0, 0x00000000, 0x00000011 },
  3645. { 0x2c04, 0, 0x00000000, 0x00030007 },
  3646. { 0x3c00, 0, 0x00000000, 0x00000001 },
  3647. { 0x3c04, 0, 0x00000000, 0x00070000 },
  3648. { 0x3c08, 0, 0x00007f71, 0x07f00000 },
  3649. { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
  3650. { 0x3c10, 0, 0xffffffff, 0x00000000 },
  3651. { 0x3c14, 0, 0x00000000, 0xffffffff },
  3652. { 0x3c18, 0, 0x00000000, 0xffffffff },
  3653. { 0x3c1c, 0, 0xfffff000, 0x00000000 },
  3654. { 0x3c20, 0, 0xffffff00, 0x00000000 },
  3655. { 0x5004, 0, 0x00000000, 0x0000007f },
  3656. { 0x5008, 0, 0x0f0007ff, 0x00000000 },
  3657. { 0x5c00, 0, 0x00000000, 0x00000001 },
  3658. { 0x5c04, 0, 0x00000000, 0x0003000f },
  3659. { 0x5c08, 0, 0x00000003, 0x00000000 },
  3660. { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
  3661. { 0x5c10, 0, 0x00000000, 0xffffffff },
  3662. { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
  3663. { 0x5c84, 0, 0x00000000, 0x0000f333 },
  3664. { 0x5c88, 0, 0x00000000, 0x00077373 },
  3665. { 0x5c8c, 0, 0x00000000, 0x0007f737 },
  3666. { 0x6808, 0, 0x0000ff7f, 0x00000000 },
  3667. { 0x680c, 0, 0xffffffff, 0x00000000 },
  3668. { 0x6810, 0, 0xffffffff, 0x00000000 },
  3669. { 0x6814, 0, 0xffffffff, 0x00000000 },
  3670. { 0x6818, 0, 0xffffffff, 0x00000000 },
  3671. { 0x681c, 0, 0xffffffff, 0x00000000 },
  3672. { 0x6820, 0, 0x00ff00ff, 0x00000000 },
  3673. { 0x6824, 0, 0x00ff00ff, 0x00000000 },
  3674. { 0x6828, 0, 0x00ff00ff, 0x00000000 },
  3675. { 0x682c, 0, 0x03ff03ff, 0x00000000 },
  3676. { 0x6830, 0, 0x03ff03ff, 0x00000000 },
  3677. { 0x6834, 0, 0x03ff03ff, 0x00000000 },
  3678. { 0x6838, 0, 0x03ff03ff, 0x00000000 },
  3679. { 0x683c, 0, 0x0000ffff, 0x00000000 },
  3680. { 0x6840, 0, 0x00000ff0, 0x00000000 },
  3681. { 0x6844, 0, 0x00ffff00, 0x00000000 },
  3682. { 0x684c, 0, 0xffffffff, 0x00000000 },
  3683. { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
  3684. { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
  3685. { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
  3686. { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
  3687. { 0x6908, 0, 0x00000000, 0x0001ff0f },
  3688. { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
  3689. { 0xffff, 0, 0x00000000, 0x00000000 },
  3690. };
  3691. ret = 0;
  3692. is_5709 = 0;
  3693. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  3694. is_5709 = 1;
  3695. for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
  3696. u32 offset, rw_mask, ro_mask, save_val, val;
  3697. u16 flags = reg_tbl[i].flags;
  3698. if (is_5709 && (flags & BNX2_FL_NOT_5709))
  3699. continue;
  3700. offset = (u32) reg_tbl[i].offset;
  3701. rw_mask = reg_tbl[i].rw_mask;
  3702. ro_mask = reg_tbl[i].ro_mask;
  3703. save_val = readl(bp->regview + offset);
  3704. writel(0, bp->regview + offset);
  3705. val = readl(bp->regview + offset);
  3706. if ((val & rw_mask) != 0) {
  3707. goto reg_test_err;
  3708. }
  3709. if ((val & ro_mask) != (save_val & ro_mask)) {
  3710. goto reg_test_err;
  3711. }
  3712. writel(0xffffffff, bp->regview + offset);
  3713. val = readl(bp->regview + offset);
  3714. if ((val & rw_mask) != rw_mask) {
  3715. goto reg_test_err;
  3716. }
  3717. if ((val & ro_mask) != (save_val & ro_mask)) {
  3718. goto reg_test_err;
  3719. }
  3720. writel(save_val, bp->regview + offset);
  3721. continue;
  3722. reg_test_err:
  3723. writel(save_val, bp->regview + offset);
  3724. ret = -ENODEV;
  3725. break;
  3726. }
  3727. return ret;
  3728. }
  3729. static int
  3730. bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
  3731. {
  3732. static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
  3733. 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
  3734. int i;
  3735. for (i = 0; i < sizeof(test_pattern) / 4; i++) {
  3736. u32 offset;
  3737. for (offset = 0; offset < size; offset += 4) {
  3738. REG_WR_IND(bp, start + offset, test_pattern[i]);
  3739. if (REG_RD_IND(bp, start + offset) !=
  3740. test_pattern[i]) {
  3741. return -ENODEV;
  3742. }
  3743. }
  3744. }
  3745. return 0;
  3746. }
  3747. static int
  3748. bnx2_test_memory(struct bnx2 *bp)
  3749. {
  3750. int ret = 0;
  3751. int i;
  3752. static struct mem_entry {
  3753. u32 offset;
  3754. u32 len;
  3755. } mem_tbl_5706[] = {
  3756. { 0x60000, 0x4000 },
  3757. { 0xa0000, 0x3000 },
  3758. { 0xe0000, 0x4000 },
  3759. { 0x120000, 0x4000 },
  3760. { 0x1a0000, 0x4000 },
  3761. { 0x160000, 0x4000 },
  3762. { 0xffffffff, 0 },
  3763. },
  3764. mem_tbl_5709[] = {
  3765. { 0x60000, 0x4000 },
  3766. { 0xa0000, 0x3000 },
  3767. { 0xe0000, 0x4000 },
  3768. { 0x120000, 0x4000 },
  3769. { 0x1a0000, 0x4000 },
  3770. { 0xffffffff, 0 },
  3771. };
  3772. struct mem_entry *mem_tbl;
  3773. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  3774. mem_tbl = mem_tbl_5709;
  3775. else
  3776. mem_tbl = mem_tbl_5706;
  3777. for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
  3778. if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
  3779. mem_tbl[i].len)) != 0) {
  3780. return ret;
  3781. }
  3782. }
  3783. return ret;
  3784. }
  3785. #define BNX2_MAC_LOOPBACK 0
  3786. #define BNX2_PHY_LOOPBACK 1
  3787. static int
  3788. bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
  3789. {
  3790. unsigned int pkt_size, num_pkts, i;
  3791. struct sk_buff *skb, *rx_skb;
  3792. unsigned char *packet;
  3793. u16 rx_start_idx, rx_idx;
  3794. dma_addr_t map;
  3795. struct tx_bd *txbd;
  3796. struct sw_bd *rx_buf;
  3797. struct l2_fhdr *rx_hdr;
  3798. int ret = -ENODEV;
  3799. if (loopback_mode == BNX2_MAC_LOOPBACK) {
  3800. bp->loopback = MAC_LOOPBACK;
  3801. bnx2_set_mac_loopback(bp);
  3802. }
  3803. else if (loopback_mode == BNX2_PHY_LOOPBACK) {
  3804. bp->loopback = PHY_LOOPBACK;
  3805. bnx2_set_phy_loopback(bp);
  3806. }
  3807. else
  3808. return -EINVAL;
  3809. pkt_size = 1514;
  3810. skb = netdev_alloc_skb(bp->dev, pkt_size);
  3811. if (!skb)
  3812. return -ENOMEM;
  3813. packet = skb_put(skb, pkt_size);
  3814. memcpy(packet, bp->dev->dev_addr, 6);
  3815. memset(packet + 6, 0x0, 8);
  3816. for (i = 14; i < pkt_size; i++)
  3817. packet[i] = (unsigned char) (i & 0xff);
  3818. map = pci_map_single(bp->pdev, skb->data, pkt_size,
  3819. PCI_DMA_TODEVICE);
  3820. REG_WR(bp, BNX2_HC_COMMAND,
  3821. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  3822. REG_RD(bp, BNX2_HC_COMMAND);
  3823. udelay(5);
  3824. rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0;
  3825. num_pkts = 0;
  3826. txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
  3827. txbd->tx_bd_haddr_hi = (u64) map >> 32;
  3828. txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
  3829. txbd->tx_bd_mss_nbytes = pkt_size;
  3830. txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
  3831. num_pkts++;
  3832. bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
  3833. bp->tx_prod_bseq += pkt_size;
  3834. REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
  3835. REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
  3836. udelay(100);
  3837. REG_WR(bp, BNX2_HC_COMMAND,
  3838. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  3839. REG_RD(bp, BNX2_HC_COMMAND);
  3840. udelay(5);
  3841. pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
  3842. dev_kfree_skb(skb);
  3843. if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_prod) {
  3844. goto loopback_test_done;
  3845. }
  3846. rx_idx = bp->status_blk->status_rx_quick_consumer_index0;
  3847. if (rx_idx != rx_start_idx + num_pkts) {
  3848. goto loopback_test_done;
  3849. }
  3850. rx_buf = &bp->rx_buf_ring[rx_start_idx];
  3851. rx_skb = rx_buf->skb;
  3852. rx_hdr = (struct l2_fhdr *) rx_skb->data;
  3853. skb_reserve(rx_skb, bp->rx_offset);
  3854. pci_dma_sync_single_for_cpu(bp->pdev,
  3855. pci_unmap_addr(rx_buf, mapping),
  3856. bp->rx_buf_size, PCI_DMA_FROMDEVICE);
  3857. if (rx_hdr->l2_fhdr_status &
  3858. (L2_FHDR_ERRORS_BAD_CRC |
  3859. L2_FHDR_ERRORS_PHY_DECODE |
  3860. L2_FHDR_ERRORS_ALIGNMENT |
  3861. L2_FHDR_ERRORS_TOO_SHORT |
  3862. L2_FHDR_ERRORS_GIANT_FRAME)) {
  3863. goto loopback_test_done;
  3864. }
  3865. if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
  3866. goto loopback_test_done;
  3867. }
  3868. for (i = 14; i < pkt_size; i++) {
  3869. if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
  3870. goto loopback_test_done;
  3871. }
  3872. }
  3873. ret = 0;
  3874. loopback_test_done:
  3875. bp->loopback = 0;
  3876. return ret;
  3877. }
  3878. #define BNX2_MAC_LOOPBACK_FAILED 1
  3879. #define BNX2_PHY_LOOPBACK_FAILED 2
  3880. #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
  3881. BNX2_PHY_LOOPBACK_FAILED)
  3882. static int
  3883. bnx2_test_loopback(struct bnx2 *bp)
  3884. {
  3885. int rc = 0;
  3886. if (!netif_running(bp->dev))
  3887. return BNX2_LOOPBACK_FAILED;
  3888. bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
  3889. spin_lock_bh(&bp->phy_lock);
  3890. bnx2_init_phy(bp);
  3891. spin_unlock_bh(&bp->phy_lock);
  3892. if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
  3893. rc |= BNX2_MAC_LOOPBACK_FAILED;
  3894. if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
  3895. rc |= BNX2_PHY_LOOPBACK_FAILED;
  3896. return rc;
  3897. }
  3898. #define NVRAM_SIZE 0x200
  3899. #define CRC32_RESIDUAL 0xdebb20e3
  3900. static int
  3901. bnx2_test_nvram(struct bnx2 *bp)
  3902. {
  3903. u32 buf[NVRAM_SIZE / 4];
  3904. u8 *data = (u8 *) buf;
  3905. int rc = 0;
  3906. u32 magic, csum;
  3907. if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
  3908. goto test_nvram_done;
  3909. magic = be32_to_cpu(buf[0]);
  3910. if (magic != 0x669955aa) {
  3911. rc = -ENODEV;
  3912. goto test_nvram_done;
  3913. }
  3914. if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
  3915. goto test_nvram_done;
  3916. csum = ether_crc_le(0x100, data);
  3917. if (csum != CRC32_RESIDUAL) {
  3918. rc = -ENODEV;
  3919. goto test_nvram_done;
  3920. }
  3921. csum = ether_crc_le(0x100, data + 0x100);
  3922. if (csum != CRC32_RESIDUAL) {
  3923. rc = -ENODEV;
  3924. }
  3925. test_nvram_done:
  3926. return rc;
  3927. }
  3928. static int
  3929. bnx2_test_link(struct bnx2 *bp)
  3930. {
  3931. u32 bmsr;
  3932. spin_lock_bh(&bp->phy_lock);
  3933. bnx2_enable_bmsr1(bp);
  3934. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  3935. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  3936. bnx2_disable_bmsr1(bp);
  3937. spin_unlock_bh(&bp->phy_lock);
  3938. if (bmsr & BMSR_LSTATUS) {
  3939. return 0;
  3940. }
  3941. return -ENODEV;
  3942. }
  3943. static int
  3944. bnx2_test_intr(struct bnx2 *bp)
  3945. {
  3946. int i;
  3947. u16 status_idx;
  3948. if (!netif_running(bp->dev))
  3949. return -ENODEV;
  3950. status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
  3951. /* This register is not touched during run-time. */
  3952. REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
  3953. REG_RD(bp, BNX2_HC_COMMAND);
  3954. for (i = 0; i < 10; i++) {
  3955. if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
  3956. status_idx) {
  3957. break;
  3958. }
  3959. msleep_interruptible(10);
  3960. }
  3961. if (i < 10)
  3962. return 0;
  3963. return -ENODEV;
  3964. }
  3965. static void
  3966. bnx2_5706_serdes_timer(struct bnx2 *bp)
  3967. {
  3968. spin_lock(&bp->phy_lock);
  3969. if (bp->serdes_an_pending)
  3970. bp->serdes_an_pending--;
  3971. else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
  3972. u32 bmcr;
  3973. bp->current_interval = bp->timer_interval;
  3974. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  3975. if (bmcr & BMCR_ANENABLE) {
  3976. u32 phy1, phy2;
  3977. bnx2_write_phy(bp, 0x1c, 0x7c00);
  3978. bnx2_read_phy(bp, 0x1c, &phy1);
  3979. bnx2_write_phy(bp, 0x17, 0x0f01);
  3980. bnx2_read_phy(bp, 0x15, &phy2);
  3981. bnx2_write_phy(bp, 0x17, 0x0f01);
  3982. bnx2_read_phy(bp, 0x15, &phy2);
  3983. if ((phy1 & 0x10) && /* SIGNAL DETECT */
  3984. !(phy2 & 0x20)) { /* no CONFIG */
  3985. bmcr &= ~BMCR_ANENABLE;
  3986. bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
  3987. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  3988. bp->phy_flags |= PHY_PARALLEL_DETECT_FLAG;
  3989. }
  3990. }
  3991. }
  3992. else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
  3993. (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) {
  3994. u32 phy2;
  3995. bnx2_write_phy(bp, 0x17, 0x0f01);
  3996. bnx2_read_phy(bp, 0x15, &phy2);
  3997. if (phy2 & 0x20) {
  3998. u32 bmcr;
  3999. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4000. bmcr |= BMCR_ANENABLE;
  4001. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  4002. bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
  4003. }
  4004. } else
  4005. bp->current_interval = bp->timer_interval;
  4006. spin_unlock(&bp->phy_lock);
  4007. }
  4008. static void
  4009. bnx2_5708_serdes_timer(struct bnx2 *bp)
  4010. {
  4011. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
  4012. return;
  4013. if ((bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) == 0) {
  4014. bp->serdes_an_pending = 0;
  4015. return;
  4016. }
  4017. spin_lock(&bp->phy_lock);
  4018. if (bp->serdes_an_pending)
  4019. bp->serdes_an_pending--;
  4020. else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
  4021. u32 bmcr;
  4022. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4023. if (bmcr & BMCR_ANENABLE) {
  4024. bnx2_enable_forced_2g5(bp);
  4025. bp->current_interval = SERDES_FORCED_TIMEOUT;
  4026. } else {
  4027. bnx2_disable_forced_2g5(bp);
  4028. bp->serdes_an_pending = 2;
  4029. bp->current_interval = bp->timer_interval;
  4030. }
  4031. } else
  4032. bp->current_interval = bp->timer_interval;
  4033. spin_unlock(&bp->phy_lock);
  4034. }
  4035. static void
  4036. bnx2_timer(unsigned long data)
  4037. {
  4038. struct bnx2 *bp = (struct bnx2 *) data;
  4039. if (!netif_running(bp->dev))
  4040. return;
  4041. if (atomic_read(&bp->intr_sem) != 0)
  4042. goto bnx2_restart_timer;
  4043. bnx2_send_heart_beat(bp);
  4044. bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT);
  4045. /* workaround occasional corrupted counters */
  4046. if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
  4047. REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
  4048. BNX2_HC_COMMAND_STATS_NOW);
  4049. if (bp->phy_flags & PHY_SERDES_FLAG) {
  4050. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  4051. bnx2_5706_serdes_timer(bp);
  4052. else
  4053. bnx2_5708_serdes_timer(bp);
  4054. }
  4055. bnx2_restart_timer:
  4056. mod_timer(&bp->timer, jiffies + bp->current_interval);
  4057. }
  4058. static int
  4059. bnx2_request_irq(struct bnx2 *bp)
  4060. {
  4061. struct net_device *dev = bp->dev;
  4062. int rc = 0;
  4063. if (bp->flags & USING_MSI_FLAG) {
  4064. irq_handler_t fn = bnx2_msi;
  4065. if (bp->flags & ONE_SHOT_MSI_FLAG)
  4066. fn = bnx2_msi_1shot;
  4067. rc = request_irq(bp->pdev->irq, fn, 0, dev->name, dev);
  4068. } else
  4069. rc = request_irq(bp->pdev->irq, bnx2_interrupt,
  4070. IRQF_SHARED, dev->name, dev);
  4071. return rc;
  4072. }
  4073. static void
  4074. bnx2_free_irq(struct bnx2 *bp)
  4075. {
  4076. struct net_device *dev = bp->dev;
  4077. if (bp->flags & USING_MSI_FLAG) {
  4078. free_irq(bp->pdev->irq, dev);
  4079. pci_disable_msi(bp->pdev);
  4080. bp->flags &= ~(USING_MSI_FLAG | ONE_SHOT_MSI_FLAG);
  4081. } else
  4082. free_irq(bp->pdev->irq, dev);
  4083. }
  4084. /* Called with rtnl_lock */
  4085. static int
  4086. bnx2_open(struct net_device *dev)
  4087. {
  4088. struct bnx2 *bp = netdev_priv(dev);
  4089. int rc;
  4090. netif_carrier_off(dev);
  4091. bnx2_set_power_state(bp, PCI_D0);
  4092. bnx2_disable_int(bp);
  4093. rc = bnx2_alloc_mem(bp);
  4094. if (rc)
  4095. return rc;
  4096. if ((bp->flags & MSI_CAP_FLAG) && !disable_msi) {
  4097. if (pci_enable_msi(bp->pdev) == 0) {
  4098. bp->flags |= USING_MSI_FLAG;
  4099. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  4100. bp->flags |= ONE_SHOT_MSI_FLAG;
  4101. }
  4102. }
  4103. rc = bnx2_request_irq(bp);
  4104. if (rc) {
  4105. bnx2_free_mem(bp);
  4106. return rc;
  4107. }
  4108. rc = bnx2_init_nic(bp);
  4109. if (rc) {
  4110. bnx2_free_irq(bp);
  4111. bnx2_free_skbs(bp);
  4112. bnx2_free_mem(bp);
  4113. return rc;
  4114. }
  4115. mod_timer(&bp->timer, jiffies + bp->current_interval);
  4116. atomic_set(&bp->intr_sem, 0);
  4117. bnx2_enable_int(bp);
  4118. if (bp->flags & USING_MSI_FLAG) {
  4119. /* Test MSI to make sure it is working
  4120. * If MSI test fails, go back to INTx mode
  4121. */
  4122. if (bnx2_test_intr(bp) != 0) {
  4123. printk(KERN_WARNING PFX "%s: No interrupt was generated"
  4124. " using MSI, switching to INTx mode. Please"
  4125. " report this failure to the PCI maintainer"
  4126. " and include system chipset information.\n",
  4127. bp->dev->name);
  4128. bnx2_disable_int(bp);
  4129. bnx2_free_irq(bp);
  4130. rc = bnx2_init_nic(bp);
  4131. if (!rc)
  4132. rc = bnx2_request_irq(bp);
  4133. if (rc) {
  4134. bnx2_free_skbs(bp);
  4135. bnx2_free_mem(bp);
  4136. del_timer_sync(&bp->timer);
  4137. return rc;
  4138. }
  4139. bnx2_enable_int(bp);
  4140. }
  4141. }
  4142. if (bp->flags & USING_MSI_FLAG) {
  4143. printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
  4144. }
  4145. netif_start_queue(dev);
  4146. return 0;
  4147. }
  4148. static void
  4149. bnx2_reset_task(struct work_struct *work)
  4150. {
  4151. struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
  4152. if (!netif_running(bp->dev))
  4153. return;
  4154. bp->in_reset_task = 1;
  4155. bnx2_netif_stop(bp);
  4156. bnx2_init_nic(bp);
  4157. atomic_set(&bp->intr_sem, 1);
  4158. bnx2_netif_start(bp);
  4159. bp->in_reset_task = 0;
  4160. }
  4161. static void
  4162. bnx2_tx_timeout(struct net_device *dev)
  4163. {
  4164. struct bnx2 *bp = netdev_priv(dev);
  4165. /* This allows the netif to be shutdown gracefully before resetting */
  4166. schedule_work(&bp->reset_task);
  4167. }
  4168. #ifdef BCM_VLAN
  4169. /* Called with rtnl_lock */
  4170. static void
  4171. bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
  4172. {
  4173. struct bnx2 *bp = netdev_priv(dev);
  4174. bnx2_netif_stop(bp);
  4175. bp->vlgrp = vlgrp;
  4176. bnx2_set_rx_mode(dev);
  4177. bnx2_netif_start(bp);
  4178. }
  4179. #endif
  4180. /* Called with netif_tx_lock.
  4181. * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
  4182. * netif_wake_queue().
  4183. */
  4184. static int
  4185. bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
  4186. {
  4187. struct bnx2 *bp = netdev_priv(dev);
  4188. dma_addr_t mapping;
  4189. struct tx_bd *txbd;
  4190. struct sw_bd *tx_buf;
  4191. u32 len, vlan_tag_flags, last_frag, mss;
  4192. u16 prod, ring_prod;
  4193. int i;
  4194. if (unlikely(bnx2_tx_avail(bp) < (skb_shinfo(skb)->nr_frags + 1))) {
  4195. netif_stop_queue(dev);
  4196. printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
  4197. dev->name);
  4198. return NETDEV_TX_BUSY;
  4199. }
  4200. len = skb_headlen(skb);
  4201. prod = bp->tx_prod;
  4202. ring_prod = TX_RING_IDX(prod);
  4203. vlan_tag_flags = 0;
  4204. if (skb->ip_summed == CHECKSUM_PARTIAL) {
  4205. vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
  4206. }
  4207. if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
  4208. vlan_tag_flags |=
  4209. (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
  4210. }
  4211. if ((mss = skb_shinfo(skb)->gso_size)) {
  4212. u32 tcp_opt_len, ip_tcp_len;
  4213. struct iphdr *iph;
  4214. vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
  4215. tcp_opt_len = tcp_optlen(skb);
  4216. if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
  4217. u32 tcp_off = skb_transport_offset(skb) -
  4218. sizeof(struct ipv6hdr) - ETH_HLEN;
  4219. vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
  4220. TX_BD_FLAGS_SW_FLAGS;
  4221. if (likely(tcp_off == 0))
  4222. vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
  4223. else {
  4224. tcp_off >>= 3;
  4225. vlan_tag_flags |= ((tcp_off & 0x3) <<
  4226. TX_BD_FLAGS_TCP6_OFF0_SHL) |
  4227. ((tcp_off & 0x10) <<
  4228. TX_BD_FLAGS_TCP6_OFF4_SHL);
  4229. mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
  4230. }
  4231. } else {
  4232. if (skb_header_cloned(skb) &&
  4233. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  4234. dev_kfree_skb(skb);
  4235. return NETDEV_TX_OK;
  4236. }
  4237. ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
  4238. iph = ip_hdr(skb);
  4239. iph->check = 0;
  4240. iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
  4241. tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
  4242. iph->daddr, 0,
  4243. IPPROTO_TCP,
  4244. 0);
  4245. if (tcp_opt_len || (iph->ihl > 5)) {
  4246. vlan_tag_flags |= ((iph->ihl - 5) +
  4247. (tcp_opt_len >> 2)) << 8;
  4248. }
  4249. }
  4250. } else
  4251. mss = 0;
  4252. mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
  4253. tx_buf = &bp->tx_buf_ring[ring_prod];
  4254. tx_buf->skb = skb;
  4255. pci_unmap_addr_set(tx_buf, mapping, mapping);
  4256. txbd = &bp->tx_desc_ring[ring_prod];
  4257. txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
  4258. txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  4259. txbd->tx_bd_mss_nbytes = len | (mss << 16);
  4260. txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
  4261. last_frag = skb_shinfo(skb)->nr_frags;
  4262. for (i = 0; i < last_frag; i++) {
  4263. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  4264. prod = NEXT_TX_BD(prod);
  4265. ring_prod = TX_RING_IDX(prod);
  4266. txbd = &bp->tx_desc_ring[ring_prod];
  4267. len = frag->size;
  4268. mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
  4269. len, PCI_DMA_TODEVICE);
  4270. pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
  4271. mapping, mapping);
  4272. txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
  4273. txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  4274. txbd->tx_bd_mss_nbytes = len | (mss << 16);
  4275. txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
  4276. }
  4277. txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
  4278. prod = NEXT_TX_BD(prod);
  4279. bp->tx_prod_bseq += skb->len;
  4280. REG_WR16(bp, bp->tx_bidx_addr, prod);
  4281. REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
  4282. mmiowb();
  4283. bp->tx_prod = prod;
  4284. dev->trans_start = jiffies;
  4285. if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
  4286. netif_stop_queue(dev);
  4287. if (bnx2_tx_avail(bp) > bp->tx_wake_thresh)
  4288. netif_wake_queue(dev);
  4289. }
  4290. return NETDEV_TX_OK;
  4291. }
  4292. /* Called with rtnl_lock */
  4293. static int
  4294. bnx2_close(struct net_device *dev)
  4295. {
  4296. struct bnx2 *bp = netdev_priv(dev);
  4297. u32 reset_code;
  4298. /* Calling flush_scheduled_work() may deadlock because
  4299. * linkwatch_event() may be on the workqueue and it will try to get
  4300. * the rtnl_lock which we are holding.
  4301. */
  4302. while (bp->in_reset_task)
  4303. msleep(1);
  4304. bnx2_netif_stop(bp);
  4305. del_timer_sync(&bp->timer);
  4306. if (bp->flags & NO_WOL_FLAG)
  4307. reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
  4308. else if (bp->wol)
  4309. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  4310. else
  4311. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  4312. bnx2_reset_chip(bp, reset_code);
  4313. bnx2_free_irq(bp);
  4314. bnx2_free_skbs(bp);
  4315. bnx2_free_mem(bp);
  4316. bp->link_up = 0;
  4317. netif_carrier_off(bp->dev);
  4318. bnx2_set_power_state(bp, PCI_D3hot);
  4319. return 0;
  4320. }
  4321. #define GET_NET_STATS64(ctr) \
  4322. (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
  4323. (unsigned long) (ctr##_lo)
  4324. #define GET_NET_STATS32(ctr) \
  4325. (ctr##_lo)
  4326. #if (BITS_PER_LONG == 64)
  4327. #define GET_NET_STATS GET_NET_STATS64
  4328. #else
  4329. #define GET_NET_STATS GET_NET_STATS32
  4330. #endif
  4331. static struct net_device_stats *
  4332. bnx2_get_stats(struct net_device *dev)
  4333. {
  4334. struct bnx2 *bp = netdev_priv(dev);
  4335. struct statistics_block *stats_blk = bp->stats_blk;
  4336. struct net_device_stats *net_stats = &bp->net_stats;
  4337. if (bp->stats_blk == NULL) {
  4338. return net_stats;
  4339. }
  4340. net_stats->rx_packets =
  4341. GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
  4342. GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
  4343. GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
  4344. net_stats->tx_packets =
  4345. GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
  4346. GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
  4347. GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
  4348. net_stats->rx_bytes =
  4349. GET_NET_STATS(stats_blk->stat_IfHCInOctets);
  4350. net_stats->tx_bytes =
  4351. GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
  4352. net_stats->multicast =
  4353. GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
  4354. net_stats->collisions =
  4355. (unsigned long) stats_blk->stat_EtherStatsCollisions;
  4356. net_stats->rx_length_errors =
  4357. (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
  4358. stats_blk->stat_EtherStatsOverrsizePkts);
  4359. net_stats->rx_over_errors =
  4360. (unsigned long) stats_blk->stat_IfInMBUFDiscards;
  4361. net_stats->rx_frame_errors =
  4362. (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
  4363. net_stats->rx_crc_errors =
  4364. (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
  4365. net_stats->rx_errors = net_stats->rx_length_errors +
  4366. net_stats->rx_over_errors + net_stats->rx_frame_errors +
  4367. net_stats->rx_crc_errors;
  4368. net_stats->tx_aborted_errors =
  4369. (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
  4370. stats_blk->stat_Dot3StatsLateCollisions);
  4371. if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
  4372. (CHIP_ID(bp) == CHIP_ID_5708_A0))
  4373. net_stats->tx_carrier_errors = 0;
  4374. else {
  4375. net_stats->tx_carrier_errors =
  4376. (unsigned long)
  4377. stats_blk->stat_Dot3StatsCarrierSenseErrors;
  4378. }
  4379. net_stats->tx_errors =
  4380. (unsigned long)
  4381. stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
  4382. +
  4383. net_stats->tx_aborted_errors +
  4384. net_stats->tx_carrier_errors;
  4385. net_stats->rx_missed_errors =
  4386. (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
  4387. stats_blk->stat_FwRxDrop);
  4388. return net_stats;
  4389. }
  4390. /* All ethtool functions called with rtnl_lock */
  4391. static int
  4392. bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  4393. {
  4394. struct bnx2 *bp = netdev_priv(dev);
  4395. int support_serdes = 0, support_copper = 0;
  4396. cmd->supported = SUPPORTED_Autoneg;
  4397. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
  4398. support_serdes = 1;
  4399. support_copper = 1;
  4400. } else if (bp->phy_port == PORT_FIBRE)
  4401. support_serdes = 1;
  4402. else
  4403. support_copper = 1;
  4404. if (support_serdes) {
  4405. cmd->supported |= SUPPORTED_1000baseT_Full |
  4406. SUPPORTED_FIBRE;
  4407. if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
  4408. cmd->supported |= SUPPORTED_2500baseX_Full;
  4409. }
  4410. if (support_copper) {
  4411. cmd->supported |= SUPPORTED_10baseT_Half |
  4412. SUPPORTED_10baseT_Full |
  4413. SUPPORTED_100baseT_Half |
  4414. SUPPORTED_100baseT_Full |
  4415. SUPPORTED_1000baseT_Full |
  4416. SUPPORTED_TP;
  4417. }
  4418. spin_lock_bh(&bp->phy_lock);
  4419. cmd->port = bp->phy_port;
  4420. cmd->advertising = bp->advertising;
  4421. if (bp->autoneg & AUTONEG_SPEED) {
  4422. cmd->autoneg = AUTONEG_ENABLE;
  4423. }
  4424. else {
  4425. cmd->autoneg = AUTONEG_DISABLE;
  4426. }
  4427. if (netif_carrier_ok(dev)) {
  4428. cmd->speed = bp->line_speed;
  4429. cmd->duplex = bp->duplex;
  4430. }
  4431. else {
  4432. cmd->speed = -1;
  4433. cmd->duplex = -1;
  4434. }
  4435. spin_unlock_bh(&bp->phy_lock);
  4436. cmd->transceiver = XCVR_INTERNAL;
  4437. cmd->phy_address = bp->phy_addr;
  4438. return 0;
  4439. }
  4440. static int
  4441. bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  4442. {
  4443. struct bnx2 *bp = netdev_priv(dev);
  4444. u8 autoneg = bp->autoneg;
  4445. u8 req_duplex = bp->req_duplex;
  4446. u16 req_line_speed = bp->req_line_speed;
  4447. u32 advertising = bp->advertising;
  4448. int err = -EINVAL;
  4449. spin_lock_bh(&bp->phy_lock);
  4450. if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
  4451. goto err_out_unlock;
  4452. if (cmd->port != bp->phy_port && !(bp->phy_flags & REMOTE_PHY_CAP_FLAG))
  4453. goto err_out_unlock;
  4454. if (cmd->autoneg == AUTONEG_ENABLE) {
  4455. autoneg |= AUTONEG_SPEED;
  4456. cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
  4457. /* allow advertising 1 speed */
  4458. if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
  4459. (cmd->advertising == ADVERTISED_10baseT_Full) ||
  4460. (cmd->advertising == ADVERTISED_100baseT_Half) ||
  4461. (cmd->advertising == ADVERTISED_100baseT_Full)) {
  4462. if (cmd->port == PORT_FIBRE)
  4463. goto err_out_unlock;
  4464. advertising = cmd->advertising;
  4465. } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
  4466. if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) ||
  4467. (cmd->port == PORT_TP))
  4468. goto err_out_unlock;
  4469. } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
  4470. advertising = cmd->advertising;
  4471. else if (cmd->advertising == ADVERTISED_1000baseT_Half)
  4472. goto err_out_unlock;
  4473. else {
  4474. if (cmd->port == PORT_FIBRE)
  4475. advertising = ETHTOOL_ALL_FIBRE_SPEED;
  4476. else
  4477. advertising = ETHTOOL_ALL_COPPER_SPEED;
  4478. }
  4479. advertising |= ADVERTISED_Autoneg;
  4480. }
  4481. else {
  4482. if (cmd->port == PORT_FIBRE) {
  4483. if ((cmd->speed != SPEED_1000 &&
  4484. cmd->speed != SPEED_2500) ||
  4485. (cmd->duplex != DUPLEX_FULL))
  4486. goto err_out_unlock;
  4487. if (cmd->speed == SPEED_2500 &&
  4488. !(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
  4489. goto err_out_unlock;
  4490. }
  4491. else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
  4492. goto err_out_unlock;
  4493. autoneg &= ~AUTONEG_SPEED;
  4494. req_line_speed = cmd->speed;
  4495. req_duplex = cmd->duplex;
  4496. advertising = 0;
  4497. }
  4498. bp->autoneg = autoneg;
  4499. bp->advertising = advertising;
  4500. bp->req_line_speed = req_line_speed;
  4501. bp->req_duplex = req_duplex;
  4502. err = bnx2_setup_phy(bp, cmd->port);
  4503. err_out_unlock:
  4504. spin_unlock_bh(&bp->phy_lock);
  4505. return err;
  4506. }
  4507. static void
  4508. bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
  4509. {
  4510. struct bnx2 *bp = netdev_priv(dev);
  4511. strcpy(info->driver, DRV_MODULE_NAME);
  4512. strcpy(info->version, DRV_MODULE_VERSION);
  4513. strcpy(info->bus_info, pci_name(bp->pdev));
  4514. strcpy(info->fw_version, bp->fw_version);
  4515. }
  4516. #define BNX2_REGDUMP_LEN (32 * 1024)
  4517. static int
  4518. bnx2_get_regs_len(struct net_device *dev)
  4519. {
  4520. return BNX2_REGDUMP_LEN;
  4521. }
  4522. static void
  4523. bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
  4524. {
  4525. u32 *p = _p, i, offset;
  4526. u8 *orig_p = _p;
  4527. struct bnx2 *bp = netdev_priv(dev);
  4528. u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
  4529. 0x0800, 0x0880, 0x0c00, 0x0c10,
  4530. 0x0c30, 0x0d08, 0x1000, 0x101c,
  4531. 0x1040, 0x1048, 0x1080, 0x10a4,
  4532. 0x1400, 0x1490, 0x1498, 0x14f0,
  4533. 0x1500, 0x155c, 0x1580, 0x15dc,
  4534. 0x1600, 0x1658, 0x1680, 0x16d8,
  4535. 0x1800, 0x1820, 0x1840, 0x1854,
  4536. 0x1880, 0x1894, 0x1900, 0x1984,
  4537. 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
  4538. 0x1c80, 0x1c94, 0x1d00, 0x1d84,
  4539. 0x2000, 0x2030, 0x23c0, 0x2400,
  4540. 0x2800, 0x2820, 0x2830, 0x2850,
  4541. 0x2b40, 0x2c10, 0x2fc0, 0x3058,
  4542. 0x3c00, 0x3c94, 0x4000, 0x4010,
  4543. 0x4080, 0x4090, 0x43c0, 0x4458,
  4544. 0x4c00, 0x4c18, 0x4c40, 0x4c54,
  4545. 0x4fc0, 0x5010, 0x53c0, 0x5444,
  4546. 0x5c00, 0x5c18, 0x5c80, 0x5c90,
  4547. 0x5fc0, 0x6000, 0x6400, 0x6428,
  4548. 0x6800, 0x6848, 0x684c, 0x6860,
  4549. 0x6888, 0x6910, 0x8000 };
  4550. regs->version = 0;
  4551. memset(p, 0, BNX2_REGDUMP_LEN);
  4552. if (!netif_running(bp->dev))
  4553. return;
  4554. i = 0;
  4555. offset = reg_boundaries[0];
  4556. p += offset;
  4557. while (offset < BNX2_REGDUMP_LEN) {
  4558. *p++ = REG_RD(bp, offset);
  4559. offset += 4;
  4560. if (offset == reg_boundaries[i + 1]) {
  4561. offset = reg_boundaries[i + 2];
  4562. p = (u32 *) (orig_p + offset);
  4563. i += 2;
  4564. }
  4565. }
  4566. }
  4567. static void
  4568. bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  4569. {
  4570. struct bnx2 *bp = netdev_priv(dev);
  4571. if (bp->flags & NO_WOL_FLAG) {
  4572. wol->supported = 0;
  4573. wol->wolopts = 0;
  4574. }
  4575. else {
  4576. wol->supported = WAKE_MAGIC;
  4577. if (bp->wol)
  4578. wol->wolopts = WAKE_MAGIC;
  4579. else
  4580. wol->wolopts = 0;
  4581. }
  4582. memset(&wol->sopass, 0, sizeof(wol->sopass));
  4583. }
  4584. static int
  4585. bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  4586. {
  4587. struct bnx2 *bp = netdev_priv(dev);
  4588. if (wol->wolopts & ~WAKE_MAGIC)
  4589. return -EINVAL;
  4590. if (wol->wolopts & WAKE_MAGIC) {
  4591. if (bp->flags & NO_WOL_FLAG)
  4592. return -EINVAL;
  4593. bp->wol = 1;
  4594. }
  4595. else {
  4596. bp->wol = 0;
  4597. }
  4598. return 0;
  4599. }
  4600. static int
  4601. bnx2_nway_reset(struct net_device *dev)
  4602. {
  4603. struct bnx2 *bp = netdev_priv(dev);
  4604. u32 bmcr;
  4605. if (!(bp->autoneg & AUTONEG_SPEED)) {
  4606. return -EINVAL;
  4607. }
  4608. spin_lock_bh(&bp->phy_lock);
  4609. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG) {
  4610. int rc;
  4611. rc = bnx2_setup_remote_phy(bp, bp->phy_port);
  4612. spin_unlock_bh(&bp->phy_lock);
  4613. return rc;
  4614. }
  4615. /* Force a link down visible on the other side */
  4616. if (bp->phy_flags & PHY_SERDES_FLAG) {
  4617. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  4618. spin_unlock_bh(&bp->phy_lock);
  4619. msleep(20);
  4620. spin_lock_bh(&bp->phy_lock);
  4621. bp->current_interval = SERDES_AN_TIMEOUT;
  4622. bp->serdes_an_pending = 1;
  4623. mod_timer(&bp->timer, jiffies + bp->current_interval);
  4624. }
  4625. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4626. bmcr &= ~BMCR_LOOPBACK;
  4627. bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
  4628. spin_unlock_bh(&bp->phy_lock);
  4629. return 0;
  4630. }
  4631. static int
  4632. bnx2_get_eeprom_len(struct net_device *dev)
  4633. {
  4634. struct bnx2 *bp = netdev_priv(dev);
  4635. if (bp->flash_info == NULL)
  4636. return 0;
  4637. return (int) bp->flash_size;
  4638. }
  4639. static int
  4640. bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
  4641. u8 *eebuf)
  4642. {
  4643. struct bnx2 *bp = netdev_priv(dev);
  4644. int rc;
  4645. /* parameters already validated in ethtool_get_eeprom */
  4646. rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
  4647. return rc;
  4648. }
  4649. static int
  4650. bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
  4651. u8 *eebuf)
  4652. {
  4653. struct bnx2 *bp = netdev_priv(dev);
  4654. int rc;
  4655. /* parameters already validated in ethtool_set_eeprom */
  4656. rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
  4657. return rc;
  4658. }
  4659. static int
  4660. bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
  4661. {
  4662. struct bnx2 *bp = netdev_priv(dev);
  4663. memset(coal, 0, sizeof(struct ethtool_coalesce));
  4664. coal->rx_coalesce_usecs = bp->rx_ticks;
  4665. coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
  4666. coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
  4667. coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
  4668. coal->tx_coalesce_usecs = bp->tx_ticks;
  4669. coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
  4670. coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
  4671. coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
  4672. coal->stats_block_coalesce_usecs = bp->stats_ticks;
  4673. return 0;
  4674. }
  4675. static int
  4676. bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
  4677. {
  4678. struct bnx2 *bp = netdev_priv(dev);
  4679. bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
  4680. if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
  4681. bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
  4682. if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
  4683. bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
  4684. if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
  4685. bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
  4686. if (bp->rx_quick_cons_trip_int > 0xff)
  4687. bp->rx_quick_cons_trip_int = 0xff;
  4688. bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
  4689. if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
  4690. bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
  4691. if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
  4692. bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
  4693. if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
  4694. bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
  4695. if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
  4696. 0xff;
  4697. bp->stats_ticks = coal->stats_block_coalesce_usecs;
  4698. if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  4699. if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
  4700. bp->stats_ticks = USEC_PER_SEC;
  4701. }
  4702. if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
  4703. bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  4704. bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  4705. if (netif_running(bp->dev)) {
  4706. bnx2_netif_stop(bp);
  4707. bnx2_init_nic(bp);
  4708. bnx2_netif_start(bp);
  4709. }
  4710. return 0;
  4711. }
  4712. static void
  4713. bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  4714. {
  4715. struct bnx2 *bp = netdev_priv(dev);
  4716. ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
  4717. ering->rx_mini_max_pending = 0;
  4718. ering->rx_jumbo_max_pending = 0;
  4719. ering->rx_pending = bp->rx_ring_size;
  4720. ering->rx_mini_pending = 0;
  4721. ering->rx_jumbo_pending = 0;
  4722. ering->tx_max_pending = MAX_TX_DESC_CNT;
  4723. ering->tx_pending = bp->tx_ring_size;
  4724. }
  4725. static int
  4726. bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  4727. {
  4728. struct bnx2 *bp = netdev_priv(dev);
  4729. if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
  4730. (ering->tx_pending > MAX_TX_DESC_CNT) ||
  4731. (ering->tx_pending <= MAX_SKB_FRAGS)) {
  4732. return -EINVAL;
  4733. }
  4734. if (netif_running(bp->dev)) {
  4735. bnx2_netif_stop(bp);
  4736. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
  4737. bnx2_free_skbs(bp);
  4738. bnx2_free_mem(bp);
  4739. }
  4740. bnx2_set_rx_ring_size(bp, ering->rx_pending);
  4741. bp->tx_ring_size = ering->tx_pending;
  4742. if (netif_running(bp->dev)) {
  4743. int rc;
  4744. rc = bnx2_alloc_mem(bp);
  4745. if (rc)
  4746. return rc;
  4747. bnx2_init_nic(bp);
  4748. bnx2_netif_start(bp);
  4749. }
  4750. return 0;
  4751. }
  4752. static void
  4753. bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  4754. {
  4755. struct bnx2 *bp = netdev_priv(dev);
  4756. epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
  4757. epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
  4758. epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
  4759. }
  4760. static int
  4761. bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  4762. {
  4763. struct bnx2 *bp = netdev_priv(dev);
  4764. bp->req_flow_ctrl = 0;
  4765. if (epause->rx_pause)
  4766. bp->req_flow_ctrl |= FLOW_CTRL_RX;
  4767. if (epause->tx_pause)
  4768. bp->req_flow_ctrl |= FLOW_CTRL_TX;
  4769. if (epause->autoneg) {
  4770. bp->autoneg |= AUTONEG_FLOW_CTRL;
  4771. }
  4772. else {
  4773. bp->autoneg &= ~AUTONEG_FLOW_CTRL;
  4774. }
  4775. spin_lock_bh(&bp->phy_lock);
  4776. bnx2_setup_phy(bp, bp->phy_port);
  4777. spin_unlock_bh(&bp->phy_lock);
  4778. return 0;
  4779. }
  4780. static u32
  4781. bnx2_get_rx_csum(struct net_device *dev)
  4782. {
  4783. struct bnx2 *bp = netdev_priv(dev);
  4784. return bp->rx_csum;
  4785. }
  4786. static int
  4787. bnx2_set_rx_csum(struct net_device *dev, u32 data)
  4788. {
  4789. struct bnx2 *bp = netdev_priv(dev);
  4790. bp->rx_csum = data;
  4791. return 0;
  4792. }
  4793. static int
  4794. bnx2_set_tso(struct net_device *dev, u32 data)
  4795. {
  4796. struct bnx2 *bp = netdev_priv(dev);
  4797. if (data) {
  4798. dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
  4799. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  4800. dev->features |= NETIF_F_TSO6;
  4801. } else
  4802. dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
  4803. NETIF_F_TSO_ECN);
  4804. return 0;
  4805. }
  4806. #define BNX2_NUM_STATS 46
  4807. static struct {
  4808. char string[ETH_GSTRING_LEN];
  4809. } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
  4810. { "rx_bytes" },
  4811. { "rx_error_bytes" },
  4812. { "tx_bytes" },
  4813. { "tx_error_bytes" },
  4814. { "rx_ucast_packets" },
  4815. { "rx_mcast_packets" },
  4816. { "rx_bcast_packets" },
  4817. { "tx_ucast_packets" },
  4818. { "tx_mcast_packets" },
  4819. { "tx_bcast_packets" },
  4820. { "tx_mac_errors" },
  4821. { "tx_carrier_errors" },
  4822. { "rx_crc_errors" },
  4823. { "rx_align_errors" },
  4824. { "tx_single_collisions" },
  4825. { "tx_multi_collisions" },
  4826. { "tx_deferred" },
  4827. { "tx_excess_collisions" },
  4828. { "tx_late_collisions" },
  4829. { "tx_total_collisions" },
  4830. { "rx_fragments" },
  4831. { "rx_jabbers" },
  4832. { "rx_undersize_packets" },
  4833. { "rx_oversize_packets" },
  4834. { "rx_64_byte_packets" },
  4835. { "rx_65_to_127_byte_packets" },
  4836. { "rx_128_to_255_byte_packets" },
  4837. { "rx_256_to_511_byte_packets" },
  4838. { "rx_512_to_1023_byte_packets" },
  4839. { "rx_1024_to_1522_byte_packets" },
  4840. { "rx_1523_to_9022_byte_packets" },
  4841. { "tx_64_byte_packets" },
  4842. { "tx_65_to_127_byte_packets" },
  4843. { "tx_128_to_255_byte_packets" },
  4844. { "tx_256_to_511_byte_packets" },
  4845. { "tx_512_to_1023_byte_packets" },
  4846. { "tx_1024_to_1522_byte_packets" },
  4847. { "tx_1523_to_9022_byte_packets" },
  4848. { "rx_xon_frames" },
  4849. { "rx_xoff_frames" },
  4850. { "tx_xon_frames" },
  4851. { "tx_xoff_frames" },
  4852. { "rx_mac_ctrl_frames" },
  4853. { "rx_filtered_packets" },
  4854. { "rx_discards" },
  4855. { "rx_fw_discards" },
  4856. };
  4857. #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
  4858. static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
  4859. STATS_OFFSET32(stat_IfHCInOctets_hi),
  4860. STATS_OFFSET32(stat_IfHCInBadOctets_hi),
  4861. STATS_OFFSET32(stat_IfHCOutOctets_hi),
  4862. STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
  4863. STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
  4864. STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
  4865. STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
  4866. STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
  4867. STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
  4868. STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
  4869. STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
  4870. STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
  4871. STATS_OFFSET32(stat_Dot3StatsFCSErrors),
  4872. STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
  4873. STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
  4874. STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
  4875. STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
  4876. STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
  4877. STATS_OFFSET32(stat_Dot3StatsLateCollisions),
  4878. STATS_OFFSET32(stat_EtherStatsCollisions),
  4879. STATS_OFFSET32(stat_EtherStatsFragments),
  4880. STATS_OFFSET32(stat_EtherStatsJabbers),
  4881. STATS_OFFSET32(stat_EtherStatsUndersizePkts),
  4882. STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
  4883. STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
  4884. STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
  4885. STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
  4886. STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
  4887. STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
  4888. STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
  4889. STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
  4890. STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
  4891. STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
  4892. STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
  4893. STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
  4894. STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
  4895. STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
  4896. STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
  4897. STATS_OFFSET32(stat_XonPauseFramesReceived),
  4898. STATS_OFFSET32(stat_XoffPauseFramesReceived),
  4899. STATS_OFFSET32(stat_OutXonSent),
  4900. STATS_OFFSET32(stat_OutXoffSent),
  4901. STATS_OFFSET32(stat_MacControlFramesReceived),
  4902. STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
  4903. STATS_OFFSET32(stat_IfInMBUFDiscards),
  4904. STATS_OFFSET32(stat_FwRxDrop),
  4905. };
  4906. /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
  4907. * skipped because of errata.
  4908. */
  4909. static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
  4910. 8,0,8,8,8,8,8,8,8,8,
  4911. 4,0,4,4,4,4,4,4,4,4,
  4912. 4,4,4,4,4,4,4,4,4,4,
  4913. 4,4,4,4,4,4,4,4,4,4,
  4914. 4,4,4,4,4,4,
  4915. };
  4916. static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
  4917. 8,0,8,8,8,8,8,8,8,8,
  4918. 4,4,4,4,4,4,4,4,4,4,
  4919. 4,4,4,4,4,4,4,4,4,4,
  4920. 4,4,4,4,4,4,4,4,4,4,
  4921. 4,4,4,4,4,4,
  4922. };
  4923. #define BNX2_NUM_TESTS 6
  4924. static struct {
  4925. char string[ETH_GSTRING_LEN];
  4926. } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
  4927. { "register_test (offline)" },
  4928. { "memory_test (offline)" },
  4929. { "loopback_test (offline)" },
  4930. { "nvram_test (online)" },
  4931. { "interrupt_test (online)" },
  4932. { "link_test (online)" },
  4933. };
  4934. static int
  4935. bnx2_self_test_count(struct net_device *dev)
  4936. {
  4937. return BNX2_NUM_TESTS;
  4938. }
  4939. static void
  4940. bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
  4941. {
  4942. struct bnx2 *bp = netdev_priv(dev);
  4943. memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
  4944. if (etest->flags & ETH_TEST_FL_OFFLINE) {
  4945. int i;
  4946. bnx2_netif_stop(bp);
  4947. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
  4948. bnx2_free_skbs(bp);
  4949. if (bnx2_test_registers(bp) != 0) {
  4950. buf[0] = 1;
  4951. etest->flags |= ETH_TEST_FL_FAILED;
  4952. }
  4953. if (bnx2_test_memory(bp) != 0) {
  4954. buf[1] = 1;
  4955. etest->flags |= ETH_TEST_FL_FAILED;
  4956. }
  4957. if ((buf[2] = bnx2_test_loopback(bp)) != 0)
  4958. etest->flags |= ETH_TEST_FL_FAILED;
  4959. if (!netif_running(bp->dev)) {
  4960. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
  4961. }
  4962. else {
  4963. bnx2_init_nic(bp);
  4964. bnx2_netif_start(bp);
  4965. }
  4966. /* wait for link up */
  4967. for (i = 0; i < 7; i++) {
  4968. if (bp->link_up)
  4969. break;
  4970. msleep_interruptible(1000);
  4971. }
  4972. }
  4973. if (bnx2_test_nvram(bp) != 0) {
  4974. buf[3] = 1;
  4975. etest->flags |= ETH_TEST_FL_FAILED;
  4976. }
  4977. if (bnx2_test_intr(bp) != 0) {
  4978. buf[4] = 1;
  4979. etest->flags |= ETH_TEST_FL_FAILED;
  4980. }
  4981. if (bnx2_test_link(bp) != 0) {
  4982. buf[5] = 1;
  4983. etest->flags |= ETH_TEST_FL_FAILED;
  4984. }
  4985. }
  4986. static void
  4987. bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
  4988. {
  4989. switch (stringset) {
  4990. case ETH_SS_STATS:
  4991. memcpy(buf, bnx2_stats_str_arr,
  4992. sizeof(bnx2_stats_str_arr));
  4993. break;
  4994. case ETH_SS_TEST:
  4995. memcpy(buf, bnx2_tests_str_arr,
  4996. sizeof(bnx2_tests_str_arr));
  4997. break;
  4998. }
  4999. }
  5000. static int
  5001. bnx2_get_stats_count(struct net_device *dev)
  5002. {
  5003. return BNX2_NUM_STATS;
  5004. }
  5005. static void
  5006. bnx2_get_ethtool_stats(struct net_device *dev,
  5007. struct ethtool_stats *stats, u64 *buf)
  5008. {
  5009. struct bnx2 *bp = netdev_priv(dev);
  5010. int i;
  5011. u32 *hw_stats = (u32 *) bp->stats_blk;
  5012. u8 *stats_len_arr = NULL;
  5013. if (hw_stats == NULL) {
  5014. memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
  5015. return;
  5016. }
  5017. if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
  5018. (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
  5019. (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
  5020. (CHIP_ID(bp) == CHIP_ID_5708_A0))
  5021. stats_len_arr = bnx2_5706_stats_len_arr;
  5022. else
  5023. stats_len_arr = bnx2_5708_stats_len_arr;
  5024. for (i = 0; i < BNX2_NUM_STATS; i++) {
  5025. if (stats_len_arr[i] == 0) {
  5026. /* skip this counter */
  5027. buf[i] = 0;
  5028. continue;
  5029. }
  5030. if (stats_len_arr[i] == 4) {
  5031. /* 4-byte counter */
  5032. buf[i] = (u64)
  5033. *(hw_stats + bnx2_stats_offset_arr[i]);
  5034. continue;
  5035. }
  5036. /* 8-byte counter */
  5037. buf[i] = (((u64) *(hw_stats +
  5038. bnx2_stats_offset_arr[i])) << 32) +
  5039. *(hw_stats + bnx2_stats_offset_arr[i] + 1);
  5040. }
  5041. }
  5042. static int
  5043. bnx2_phys_id(struct net_device *dev, u32 data)
  5044. {
  5045. struct bnx2 *bp = netdev_priv(dev);
  5046. int i;
  5047. u32 save;
  5048. if (data == 0)
  5049. data = 2;
  5050. save = REG_RD(bp, BNX2_MISC_CFG);
  5051. REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
  5052. for (i = 0; i < (data * 2); i++) {
  5053. if ((i % 2) == 0) {
  5054. REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
  5055. }
  5056. else {
  5057. REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
  5058. BNX2_EMAC_LED_1000MB_OVERRIDE |
  5059. BNX2_EMAC_LED_100MB_OVERRIDE |
  5060. BNX2_EMAC_LED_10MB_OVERRIDE |
  5061. BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
  5062. BNX2_EMAC_LED_TRAFFIC);
  5063. }
  5064. msleep_interruptible(500);
  5065. if (signal_pending(current))
  5066. break;
  5067. }
  5068. REG_WR(bp, BNX2_EMAC_LED, 0);
  5069. REG_WR(bp, BNX2_MISC_CFG, save);
  5070. return 0;
  5071. }
  5072. static int
  5073. bnx2_set_tx_csum(struct net_device *dev, u32 data)
  5074. {
  5075. struct bnx2 *bp = netdev_priv(dev);
  5076. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  5077. return (ethtool_op_set_tx_ipv6_csum(dev, data));
  5078. else
  5079. return (ethtool_op_set_tx_csum(dev, data));
  5080. }
  5081. static const struct ethtool_ops bnx2_ethtool_ops = {
  5082. .get_settings = bnx2_get_settings,
  5083. .set_settings = bnx2_set_settings,
  5084. .get_drvinfo = bnx2_get_drvinfo,
  5085. .get_regs_len = bnx2_get_regs_len,
  5086. .get_regs = bnx2_get_regs,
  5087. .get_wol = bnx2_get_wol,
  5088. .set_wol = bnx2_set_wol,
  5089. .nway_reset = bnx2_nway_reset,
  5090. .get_link = ethtool_op_get_link,
  5091. .get_eeprom_len = bnx2_get_eeprom_len,
  5092. .get_eeprom = bnx2_get_eeprom,
  5093. .set_eeprom = bnx2_set_eeprom,
  5094. .get_coalesce = bnx2_get_coalesce,
  5095. .set_coalesce = bnx2_set_coalesce,
  5096. .get_ringparam = bnx2_get_ringparam,
  5097. .set_ringparam = bnx2_set_ringparam,
  5098. .get_pauseparam = bnx2_get_pauseparam,
  5099. .set_pauseparam = bnx2_set_pauseparam,
  5100. .get_rx_csum = bnx2_get_rx_csum,
  5101. .set_rx_csum = bnx2_set_rx_csum,
  5102. .get_tx_csum = ethtool_op_get_tx_csum,
  5103. .set_tx_csum = bnx2_set_tx_csum,
  5104. .get_sg = ethtool_op_get_sg,
  5105. .set_sg = ethtool_op_set_sg,
  5106. .get_tso = ethtool_op_get_tso,
  5107. .set_tso = bnx2_set_tso,
  5108. .self_test_count = bnx2_self_test_count,
  5109. .self_test = bnx2_self_test,
  5110. .get_strings = bnx2_get_strings,
  5111. .phys_id = bnx2_phys_id,
  5112. .get_stats_count = bnx2_get_stats_count,
  5113. .get_ethtool_stats = bnx2_get_ethtool_stats,
  5114. .get_perm_addr = ethtool_op_get_perm_addr,
  5115. };
  5116. /* Called with rtnl_lock */
  5117. static int
  5118. bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  5119. {
  5120. struct mii_ioctl_data *data = if_mii(ifr);
  5121. struct bnx2 *bp = netdev_priv(dev);
  5122. int err;
  5123. switch(cmd) {
  5124. case SIOCGMIIPHY:
  5125. data->phy_id = bp->phy_addr;
  5126. /* fallthru */
  5127. case SIOCGMIIREG: {
  5128. u32 mii_regval;
  5129. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
  5130. return -EOPNOTSUPP;
  5131. if (!netif_running(dev))
  5132. return -EAGAIN;
  5133. spin_lock_bh(&bp->phy_lock);
  5134. err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
  5135. spin_unlock_bh(&bp->phy_lock);
  5136. data->val_out = mii_regval;
  5137. return err;
  5138. }
  5139. case SIOCSMIIREG:
  5140. if (!capable(CAP_NET_ADMIN))
  5141. return -EPERM;
  5142. if (bp->phy_flags & REMOTE_PHY_CAP_FLAG)
  5143. return -EOPNOTSUPP;
  5144. if (!netif_running(dev))
  5145. return -EAGAIN;
  5146. spin_lock_bh(&bp->phy_lock);
  5147. err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
  5148. spin_unlock_bh(&bp->phy_lock);
  5149. return err;
  5150. default:
  5151. /* do nothing */
  5152. break;
  5153. }
  5154. return -EOPNOTSUPP;
  5155. }
  5156. /* Called with rtnl_lock */
  5157. static int
  5158. bnx2_change_mac_addr(struct net_device *dev, void *p)
  5159. {
  5160. struct sockaddr *addr = p;
  5161. struct bnx2 *bp = netdev_priv(dev);
  5162. if (!is_valid_ether_addr(addr->sa_data))
  5163. return -EINVAL;
  5164. memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
  5165. if (netif_running(dev))
  5166. bnx2_set_mac_addr(bp);
  5167. return 0;
  5168. }
  5169. /* Called with rtnl_lock */
  5170. static int
  5171. bnx2_change_mtu(struct net_device *dev, int new_mtu)
  5172. {
  5173. struct bnx2 *bp = netdev_priv(dev);
  5174. if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
  5175. ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
  5176. return -EINVAL;
  5177. dev->mtu = new_mtu;
  5178. if (netif_running(dev)) {
  5179. bnx2_netif_stop(bp);
  5180. bnx2_init_nic(bp);
  5181. bnx2_netif_start(bp);
  5182. }
  5183. return 0;
  5184. }
  5185. #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
  5186. static void
  5187. poll_bnx2(struct net_device *dev)
  5188. {
  5189. struct bnx2 *bp = netdev_priv(dev);
  5190. disable_irq(bp->pdev->irq);
  5191. bnx2_interrupt(bp->pdev->irq, dev);
  5192. enable_irq(bp->pdev->irq);
  5193. }
  5194. #endif
  5195. static void __devinit
  5196. bnx2_get_5709_media(struct bnx2 *bp)
  5197. {
  5198. u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
  5199. u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
  5200. u32 strap;
  5201. if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
  5202. return;
  5203. else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
  5204. bp->phy_flags |= PHY_SERDES_FLAG;
  5205. return;
  5206. }
  5207. if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
  5208. strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
  5209. else
  5210. strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
  5211. if (PCI_FUNC(bp->pdev->devfn) == 0) {
  5212. switch (strap) {
  5213. case 0x4:
  5214. case 0x5:
  5215. case 0x6:
  5216. bp->phy_flags |= PHY_SERDES_FLAG;
  5217. return;
  5218. }
  5219. } else {
  5220. switch (strap) {
  5221. case 0x1:
  5222. case 0x2:
  5223. case 0x4:
  5224. bp->phy_flags |= PHY_SERDES_FLAG;
  5225. return;
  5226. }
  5227. }
  5228. }
  5229. static void __devinit
  5230. bnx2_get_pci_speed(struct bnx2 *bp)
  5231. {
  5232. u32 reg;
  5233. reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
  5234. if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
  5235. u32 clkreg;
  5236. bp->flags |= PCIX_FLAG;
  5237. clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
  5238. clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
  5239. switch (clkreg) {
  5240. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
  5241. bp->bus_speed_mhz = 133;
  5242. break;
  5243. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
  5244. bp->bus_speed_mhz = 100;
  5245. break;
  5246. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
  5247. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
  5248. bp->bus_speed_mhz = 66;
  5249. break;
  5250. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
  5251. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
  5252. bp->bus_speed_mhz = 50;
  5253. break;
  5254. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
  5255. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
  5256. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
  5257. bp->bus_speed_mhz = 33;
  5258. break;
  5259. }
  5260. }
  5261. else {
  5262. if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
  5263. bp->bus_speed_mhz = 66;
  5264. else
  5265. bp->bus_speed_mhz = 33;
  5266. }
  5267. if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
  5268. bp->flags |= PCI_32BIT_FLAG;
  5269. }
  5270. static int __devinit
  5271. bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
  5272. {
  5273. struct bnx2 *bp;
  5274. unsigned long mem_len;
  5275. int rc, i, j;
  5276. u32 reg;
  5277. u64 dma_mask, persist_dma_mask;
  5278. SET_MODULE_OWNER(dev);
  5279. SET_NETDEV_DEV(dev, &pdev->dev);
  5280. bp = netdev_priv(dev);
  5281. bp->flags = 0;
  5282. bp->phy_flags = 0;
  5283. /* enable device (incl. PCI PM wakeup), and bus-mastering */
  5284. rc = pci_enable_device(pdev);
  5285. if (rc) {
  5286. dev_err(&pdev->dev, "Cannot enable PCI device, aborting.");
  5287. goto err_out;
  5288. }
  5289. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  5290. dev_err(&pdev->dev,
  5291. "Cannot find PCI device base address, aborting.\n");
  5292. rc = -ENODEV;
  5293. goto err_out_disable;
  5294. }
  5295. rc = pci_request_regions(pdev, DRV_MODULE_NAME);
  5296. if (rc) {
  5297. dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
  5298. goto err_out_disable;
  5299. }
  5300. pci_set_master(pdev);
  5301. bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
  5302. if (bp->pm_cap == 0) {
  5303. dev_err(&pdev->dev,
  5304. "Cannot find power management capability, aborting.\n");
  5305. rc = -EIO;
  5306. goto err_out_release;
  5307. }
  5308. bp->dev = dev;
  5309. bp->pdev = pdev;
  5310. spin_lock_init(&bp->phy_lock);
  5311. spin_lock_init(&bp->indirect_lock);
  5312. INIT_WORK(&bp->reset_task, bnx2_reset_task);
  5313. dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
  5314. mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
  5315. dev->mem_end = dev->mem_start + mem_len;
  5316. dev->irq = pdev->irq;
  5317. bp->regview = ioremap_nocache(dev->base_addr, mem_len);
  5318. if (!bp->regview) {
  5319. dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
  5320. rc = -ENOMEM;
  5321. goto err_out_release;
  5322. }
  5323. /* Configure byte swap and enable write to the reg_window registers.
  5324. * Rely on CPU to do target byte swapping on big endian systems
  5325. * The chip's target access swapping will not swap all accesses
  5326. */
  5327. pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
  5328. BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  5329. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
  5330. bnx2_set_power_state(bp, PCI_D0);
  5331. bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
  5332. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  5333. if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
  5334. dev_err(&pdev->dev,
  5335. "Cannot find PCIE capability, aborting.\n");
  5336. rc = -EIO;
  5337. goto err_out_unmap;
  5338. }
  5339. bp->flags |= PCIE_FLAG;
  5340. } else {
  5341. bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
  5342. if (bp->pcix_cap == 0) {
  5343. dev_err(&pdev->dev,
  5344. "Cannot find PCIX capability, aborting.\n");
  5345. rc = -EIO;
  5346. goto err_out_unmap;
  5347. }
  5348. }
  5349. if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
  5350. if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
  5351. bp->flags |= MSI_CAP_FLAG;
  5352. }
  5353. /* 5708 cannot support DMA addresses > 40-bit. */
  5354. if (CHIP_NUM(bp) == CHIP_NUM_5708)
  5355. persist_dma_mask = dma_mask = DMA_40BIT_MASK;
  5356. else
  5357. persist_dma_mask = dma_mask = DMA_64BIT_MASK;
  5358. /* Configure DMA attributes. */
  5359. if (pci_set_dma_mask(pdev, dma_mask) == 0) {
  5360. dev->features |= NETIF_F_HIGHDMA;
  5361. rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
  5362. if (rc) {
  5363. dev_err(&pdev->dev,
  5364. "pci_set_consistent_dma_mask failed, aborting.\n");
  5365. goto err_out_unmap;
  5366. }
  5367. } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
  5368. dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
  5369. goto err_out_unmap;
  5370. }
  5371. if (!(bp->flags & PCIE_FLAG))
  5372. bnx2_get_pci_speed(bp);
  5373. /* 5706A0 may falsely detect SERR and PERR. */
  5374. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  5375. reg = REG_RD(bp, PCI_COMMAND);
  5376. reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
  5377. REG_WR(bp, PCI_COMMAND, reg);
  5378. }
  5379. else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
  5380. !(bp->flags & PCIX_FLAG)) {
  5381. dev_err(&pdev->dev,
  5382. "5706 A1 can only be used in a PCIX bus, aborting.\n");
  5383. goto err_out_unmap;
  5384. }
  5385. bnx2_init_nvram(bp);
  5386. reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);
  5387. if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
  5388. BNX2_SHM_HDR_SIGNATURE_SIG) {
  5389. u32 off = PCI_FUNC(pdev->devfn) << 2;
  5390. bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0 + off);
  5391. } else
  5392. bp->shmem_base = HOST_VIEW_SHMEM_BASE;
  5393. /* Get the permanent MAC address. First we need to make sure the
  5394. * firmware is actually running.
  5395. */
  5396. reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
  5397. if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
  5398. BNX2_DEV_INFO_SIGNATURE_MAGIC) {
  5399. dev_err(&pdev->dev, "Firmware not running, aborting.\n");
  5400. rc = -ENODEV;
  5401. goto err_out_unmap;
  5402. }
  5403. reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
  5404. for (i = 0, j = 0; i < 3; i++) {
  5405. u8 num, k, skip0;
  5406. num = (u8) (reg >> (24 - (i * 8)));
  5407. for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
  5408. if (num >= k || !skip0 || k == 1) {
  5409. bp->fw_version[j++] = (num / k) + '0';
  5410. skip0 = 0;
  5411. }
  5412. }
  5413. if (i != 2)
  5414. bp->fw_version[j++] = '.';
  5415. }
  5416. if (REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE) &
  5417. BNX2_PORT_FEATURE_ASF_ENABLED) {
  5418. bp->flags |= ASF_ENABLE_FLAG;
  5419. for (i = 0; i < 30; i++) {
  5420. reg = REG_RD_IND(bp, bp->shmem_base +
  5421. BNX2_BC_STATE_CONDITION);
  5422. if (reg & BNX2_CONDITION_MFW_RUN_MASK)
  5423. break;
  5424. msleep(10);
  5425. }
  5426. }
  5427. reg = REG_RD_IND(bp, bp->shmem_base + BNX2_BC_STATE_CONDITION);
  5428. reg &= BNX2_CONDITION_MFW_RUN_MASK;
  5429. if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
  5430. reg != BNX2_CONDITION_MFW_RUN_NONE) {
  5431. int i;
  5432. u32 addr = REG_RD_IND(bp, bp->shmem_base + BNX2_MFW_VER_PTR);
  5433. bp->fw_version[j++] = ' ';
  5434. for (i = 0; i < 3; i++) {
  5435. reg = REG_RD_IND(bp, addr + i * 4);
  5436. reg = swab32(reg);
  5437. memcpy(&bp->fw_version[j], &reg, 4);
  5438. j += 4;
  5439. }
  5440. }
  5441. reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
  5442. bp->mac_addr[0] = (u8) (reg >> 8);
  5443. bp->mac_addr[1] = (u8) reg;
  5444. reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
  5445. bp->mac_addr[2] = (u8) (reg >> 24);
  5446. bp->mac_addr[3] = (u8) (reg >> 16);
  5447. bp->mac_addr[4] = (u8) (reg >> 8);
  5448. bp->mac_addr[5] = (u8) reg;
  5449. bp->tx_ring_size = MAX_TX_DESC_CNT;
  5450. bnx2_set_rx_ring_size(bp, 255);
  5451. bp->rx_csum = 1;
  5452. bp->rx_offset = sizeof(struct l2_fhdr) + 2;
  5453. bp->tx_quick_cons_trip_int = 20;
  5454. bp->tx_quick_cons_trip = 20;
  5455. bp->tx_ticks_int = 80;
  5456. bp->tx_ticks = 80;
  5457. bp->rx_quick_cons_trip_int = 6;
  5458. bp->rx_quick_cons_trip = 6;
  5459. bp->rx_ticks_int = 18;
  5460. bp->rx_ticks = 18;
  5461. bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  5462. bp->timer_interval = HZ;
  5463. bp->current_interval = HZ;
  5464. bp->phy_addr = 1;
  5465. /* Disable WOL support if we are running on a SERDES chip. */
  5466. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  5467. bnx2_get_5709_media(bp);
  5468. else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
  5469. bp->phy_flags |= PHY_SERDES_FLAG;
  5470. bp->phy_port = PORT_TP;
  5471. if (bp->phy_flags & PHY_SERDES_FLAG) {
  5472. bp->phy_port = PORT_FIBRE;
  5473. bp->flags |= NO_WOL_FLAG;
  5474. if (CHIP_NUM(bp) != CHIP_NUM_5706) {
  5475. bp->phy_addr = 2;
  5476. reg = REG_RD_IND(bp, bp->shmem_base +
  5477. BNX2_SHARED_HW_CFG_CONFIG);
  5478. if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
  5479. bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
  5480. }
  5481. bnx2_init_remote_phy(bp);
  5482. } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
  5483. CHIP_NUM(bp) == CHIP_NUM_5708)
  5484. bp->phy_flags |= PHY_CRC_FIX_FLAG;
  5485. else if (CHIP_ID(bp) == CHIP_ID_5709_A0)
  5486. bp->phy_flags |= PHY_DIS_EARLY_DAC_FLAG;
  5487. if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
  5488. (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
  5489. (CHIP_ID(bp) == CHIP_ID_5708_B1))
  5490. bp->flags |= NO_WOL_FLAG;
  5491. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  5492. bp->tx_quick_cons_trip_int =
  5493. bp->tx_quick_cons_trip;
  5494. bp->tx_ticks_int = bp->tx_ticks;
  5495. bp->rx_quick_cons_trip_int =
  5496. bp->rx_quick_cons_trip;
  5497. bp->rx_ticks_int = bp->rx_ticks;
  5498. bp->comp_prod_trip_int = bp->comp_prod_trip;
  5499. bp->com_ticks_int = bp->com_ticks;
  5500. bp->cmd_ticks_int = bp->cmd_ticks;
  5501. }
  5502. /* Disable MSI on 5706 if AMD 8132 bridge is found.
  5503. *
  5504. * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
  5505. * with byte enables disabled on the unused 32-bit word. This is legal
  5506. * but causes problems on the AMD 8132 which will eventually stop
  5507. * responding after a while.
  5508. *
  5509. * AMD believes this incompatibility is unique to the 5706, and
  5510. * prefers to locally disable MSI rather than globally disabling it.
  5511. */
  5512. if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
  5513. struct pci_dev *amd_8132 = NULL;
  5514. while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
  5515. PCI_DEVICE_ID_AMD_8132_BRIDGE,
  5516. amd_8132))) {
  5517. if (amd_8132->revision >= 0x10 &&
  5518. amd_8132->revision <= 0x13) {
  5519. disable_msi = 1;
  5520. pci_dev_put(amd_8132);
  5521. break;
  5522. }
  5523. }
  5524. }
  5525. bnx2_set_default_link(bp);
  5526. bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
  5527. init_timer(&bp->timer);
  5528. bp->timer.expires = RUN_AT(bp->timer_interval);
  5529. bp->timer.data = (unsigned long) bp;
  5530. bp->timer.function = bnx2_timer;
  5531. return 0;
  5532. err_out_unmap:
  5533. if (bp->regview) {
  5534. iounmap(bp->regview);
  5535. bp->regview = NULL;
  5536. }
  5537. err_out_release:
  5538. pci_release_regions(pdev);
  5539. err_out_disable:
  5540. pci_disable_device(pdev);
  5541. pci_set_drvdata(pdev, NULL);
  5542. err_out:
  5543. return rc;
  5544. }
  5545. static char * __devinit
  5546. bnx2_bus_string(struct bnx2 *bp, char *str)
  5547. {
  5548. char *s = str;
  5549. if (bp->flags & PCIE_FLAG) {
  5550. s += sprintf(s, "PCI Express");
  5551. } else {
  5552. s += sprintf(s, "PCI");
  5553. if (bp->flags & PCIX_FLAG)
  5554. s += sprintf(s, "-X");
  5555. if (bp->flags & PCI_32BIT_FLAG)
  5556. s += sprintf(s, " 32-bit");
  5557. else
  5558. s += sprintf(s, " 64-bit");
  5559. s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
  5560. }
  5561. return str;
  5562. }
  5563. static int __devinit
  5564. bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
  5565. {
  5566. static int version_printed = 0;
  5567. struct net_device *dev = NULL;
  5568. struct bnx2 *bp;
  5569. int rc, i;
  5570. char str[40];
  5571. if (version_printed++ == 0)
  5572. printk(KERN_INFO "%s", version);
  5573. /* dev zeroed in init_etherdev */
  5574. dev = alloc_etherdev(sizeof(*bp));
  5575. if (!dev)
  5576. return -ENOMEM;
  5577. rc = bnx2_init_board(pdev, dev);
  5578. if (rc < 0) {
  5579. free_netdev(dev);
  5580. return rc;
  5581. }
  5582. dev->open = bnx2_open;
  5583. dev->hard_start_xmit = bnx2_start_xmit;
  5584. dev->stop = bnx2_close;
  5585. dev->get_stats = bnx2_get_stats;
  5586. dev->set_multicast_list = bnx2_set_rx_mode;
  5587. dev->do_ioctl = bnx2_ioctl;
  5588. dev->set_mac_address = bnx2_change_mac_addr;
  5589. dev->change_mtu = bnx2_change_mtu;
  5590. dev->tx_timeout = bnx2_tx_timeout;
  5591. dev->watchdog_timeo = TX_TIMEOUT;
  5592. #ifdef BCM_VLAN
  5593. dev->vlan_rx_register = bnx2_vlan_rx_register;
  5594. #endif
  5595. dev->poll = bnx2_poll;
  5596. dev->ethtool_ops = &bnx2_ethtool_ops;
  5597. dev->weight = 64;
  5598. bp = netdev_priv(dev);
  5599. #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
  5600. dev->poll_controller = poll_bnx2;
  5601. #endif
  5602. pci_set_drvdata(pdev, dev);
  5603. memcpy(dev->dev_addr, bp->mac_addr, 6);
  5604. memcpy(dev->perm_addr, bp->mac_addr, 6);
  5605. bp->name = board_info[ent->driver_data].name;
  5606. dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
  5607. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  5608. dev->features |= NETIF_F_IPV6_CSUM;
  5609. #ifdef BCM_VLAN
  5610. dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
  5611. #endif
  5612. dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
  5613. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  5614. dev->features |= NETIF_F_TSO6;
  5615. if ((rc = register_netdev(dev))) {
  5616. dev_err(&pdev->dev, "Cannot register net device\n");
  5617. if (bp->regview)
  5618. iounmap(bp->regview);
  5619. pci_release_regions(pdev);
  5620. pci_disable_device(pdev);
  5621. pci_set_drvdata(pdev, NULL);
  5622. free_netdev(dev);
  5623. return rc;
  5624. }
  5625. printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
  5626. "IRQ %d, ",
  5627. dev->name,
  5628. bp->name,
  5629. ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
  5630. ((CHIP_ID(bp) & 0x0ff0) >> 4),
  5631. bnx2_bus_string(bp, str),
  5632. dev->base_addr,
  5633. bp->pdev->irq);
  5634. printk("node addr ");
  5635. for (i = 0; i < 6; i++)
  5636. printk("%2.2x", dev->dev_addr[i]);
  5637. printk("\n");
  5638. return 0;
  5639. }
  5640. static void __devexit
  5641. bnx2_remove_one(struct pci_dev *pdev)
  5642. {
  5643. struct net_device *dev = pci_get_drvdata(pdev);
  5644. struct bnx2 *bp = netdev_priv(dev);
  5645. flush_scheduled_work();
  5646. unregister_netdev(dev);
  5647. if (bp->regview)
  5648. iounmap(bp->regview);
  5649. free_netdev(dev);
  5650. pci_release_regions(pdev);
  5651. pci_disable_device(pdev);
  5652. pci_set_drvdata(pdev, NULL);
  5653. }
  5654. static int
  5655. bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
  5656. {
  5657. struct net_device *dev = pci_get_drvdata(pdev);
  5658. struct bnx2 *bp = netdev_priv(dev);
  5659. u32 reset_code;
  5660. if (!netif_running(dev))
  5661. return 0;
  5662. flush_scheduled_work();
  5663. bnx2_netif_stop(bp);
  5664. netif_device_detach(dev);
  5665. del_timer_sync(&bp->timer);
  5666. if (bp->flags & NO_WOL_FLAG)
  5667. reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
  5668. else if (bp->wol)
  5669. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  5670. else
  5671. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  5672. bnx2_reset_chip(bp, reset_code);
  5673. bnx2_free_skbs(bp);
  5674. pci_save_state(pdev);
  5675. bnx2_set_power_state(bp, pci_choose_state(pdev, state));
  5676. return 0;
  5677. }
  5678. static int
  5679. bnx2_resume(struct pci_dev *pdev)
  5680. {
  5681. struct net_device *dev = pci_get_drvdata(pdev);
  5682. struct bnx2 *bp = netdev_priv(dev);
  5683. if (!netif_running(dev))
  5684. return 0;
  5685. pci_restore_state(pdev);
  5686. bnx2_set_power_state(bp, PCI_D0);
  5687. netif_device_attach(dev);
  5688. bnx2_init_nic(bp);
  5689. bnx2_netif_start(bp);
  5690. return 0;
  5691. }
  5692. static struct pci_driver bnx2_pci_driver = {
  5693. .name = DRV_MODULE_NAME,
  5694. .id_table = bnx2_pci_tbl,
  5695. .probe = bnx2_init_one,
  5696. .remove = __devexit_p(bnx2_remove_one),
  5697. .suspend = bnx2_suspend,
  5698. .resume = bnx2_resume,
  5699. };
  5700. static int __init bnx2_init(void)
  5701. {
  5702. return pci_register_driver(&bnx2_pci_driver);
  5703. }
  5704. static void __exit bnx2_cleanup(void)
  5705. {
  5706. pci_unregister_driver(&bnx2_pci_driver);
  5707. }
  5708. module_init(bnx2_init);
  5709. module_exit(bnx2_cleanup);