bnx2.c 186 KB

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  1. /* bnx2.c: Broadcom NX2 network driver.
  2. *
  3. * Copyright (c) 2004-2008 Broadcom Corporation
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation.
  8. *
  9. * Written by: Michael Chan (mchan@broadcom.com)
  10. */
  11. #include <linux/module.h>
  12. #include <linux/moduleparam.h>
  13. #include <linux/kernel.h>
  14. #include <linux/timer.h>
  15. #include <linux/errno.h>
  16. #include <linux/ioport.h>
  17. #include <linux/slab.h>
  18. #include <linux/vmalloc.h>
  19. #include <linux/interrupt.h>
  20. #include <linux/pci.h>
  21. #include <linux/init.h>
  22. #include <linux/netdevice.h>
  23. #include <linux/etherdevice.h>
  24. #include <linux/skbuff.h>
  25. #include <linux/dma-mapping.h>
  26. #include <linux/bitops.h>
  27. #include <asm/io.h>
  28. #include <asm/irq.h>
  29. #include <linux/delay.h>
  30. #include <asm/byteorder.h>
  31. #include <asm/page.h>
  32. #include <linux/time.h>
  33. #include <linux/ethtool.h>
  34. #include <linux/mii.h>
  35. #ifdef NETIF_F_HW_VLAN_TX
  36. #include <linux/if_vlan.h>
  37. #define BCM_VLAN 1
  38. #endif
  39. #include <net/ip.h>
  40. #include <net/tcp.h>
  41. #include <net/checksum.h>
  42. #include <linux/workqueue.h>
  43. #include <linux/crc32.h>
  44. #include <linux/prefetch.h>
  45. #include <linux/cache.h>
  46. #include <linux/zlib.h>
  47. #include "bnx2.h"
  48. #include "bnx2_fw.h"
  49. #include "bnx2_fw2.h"
  50. #define FW_BUF_SIZE 0x10000
  51. #define DRV_MODULE_NAME "bnx2"
  52. #define PFX DRV_MODULE_NAME ": "
  53. #define DRV_MODULE_VERSION "1.7.5"
  54. #define DRV_MODULE_RELDATE "April 29, 2008"
  55. #define RUN_AT(x) (jiffies + (x))
  56. /* Time in jiffies before concluding the transmitter is hung. */
  57. #define TX_TIMEOUT (5*HZ)
  58. static char version[] __devinitdata =
  59. "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  60. MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
  61. MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708 Driver");
  62. MODULE_LICENSE("GPL");
  63. MODULE_VERSION(DRV_MODULE_VERSION);
  64. static int disable_msi = 0;
  65. module_param(disable_msi, int, 0);
  66. MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
  67. typedef enum {
  68. BCM5706 = 0,
  69. NC370T,
  70. NC370I,
  71. BCM5706S,
  72. NC370F,
  73. BCM5708,
  74. BCM5708S,
  75. BCM5709,
  76. BCM5709S,
  77. } board_t;
  78. /* indexed by board_t, above */
  79. static struct {
  80. char *name;
  81. } board_info[] __devinitdata = {
  82. { "Broadcom NetXtreme II BCM5706 1000Base-T" },
  83. { "HP NC370T Multifunction Gigabit Server Adapter" },
  84. { "HP NC370i Multifunction Gigabit Server Adapter" },
  85. { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
  86. { "HP NC370F Multifunction Gigabit Server Adapter" },
  87. { "Broadcom NetXtreme II BCM5708 1000Base-T" },
  88. { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
  89. { "Broadcom NetXtreme II BCM5709 1000Base-T" },
  90. { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
  91. };
  92. static struct pci_device_id bnx2_pci_tbl[] = {
  93. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  94. PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
  95. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  96. PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
  97. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  98. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
  99. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
  100. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
  101. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  102. PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
  103. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  104. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
  105. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
  106. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
  107. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
  108. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
  109. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
  110. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
  111. { 0, }
  112. };
  113. static struct flash_spec flash_table[] =
  114. {
  115. #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
  116. #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
  117. /* Slow EEPROM */
  118. {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
  119. BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
  120. SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
  121. "EEPROM - slow"},
  122. /* Expansion entry 0001 */
  123. {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
  124. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  125. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  126. "Entry 0001"},
  127. /* Saifun SA25F010 (non-buffered flash) */
  128. /* strap, cfg1, & write1 need updates */
  129. {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
  130. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  131. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
  132. "Non-buffered flash (128kB)"},
  133. /* Saifun SA25F020 (non-buffered flash) */
  134. /* strap, cfg1, & write1 need updates */
  135. {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
  136. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  137. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
  138. "Non-buffered flash (256kB)"},
  139. /* Expansion entry 0100 */
  140. {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
  141. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  142. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  143. "Entry 0100"},
  144. /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
  145. {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
  146. NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
  147. ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
  148. "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
  149. /* Entry 0110: ST M45PE20 (non-buffered flash)*/
  150. {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
  151. NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
  152. ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
  153. "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
  154. /* Saifun SA25F005 (non-buffered flash) */
  155. /* strap, cfg1, & write1 need updates */
  156. {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
  157. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  158. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
  159. "Non-buffered flash (64kB)"},
  160. /* Fast EEPROM */
  161. {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
  162. BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
  163. SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
  164. "EEPROM - fast"},
  165. /* Expansion entry 1001 */
  166. {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
  167. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  168. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  169. "Entry 1001"},
  170. /* Expansion entry 1010 */
  171. {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
  172. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  173. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  174. "Entry 1010"},
  175. /* ATMEL AT45DB011B (buffered flash) */
  176. {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
  177. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  178. BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
  179. "Buffered flash (128kB)"},
  180. /* Expansion entry 1100 */
  181. {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
  182. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  183. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  184. "Entry 1100"},
  185. /* Expansion entry 1101 */
  186. {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
  187. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  188. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  189. "Entry 1101"},
  190. /* Ateml Expansion entry 1110 */
  191. {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
  192. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  193. BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
  194. "Entry 1110 (Atmel)"},
  195. /* ATMEL AT45DB021B (buffered flash) */
  196. {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
  197. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  198. BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
  199. "Buffered flash (256kB)"},
  200. };
  201. static struct flash_spec flash_5709 = {
  202. .flags = BNX2_NV_BUFFERED,
  203. .page_bits = BCM5709_FLASH_PAGE_BITS,
  204. .page_size = BCM5709_FLASH_PAGE_SIZE,
  205. .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
  206. .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
  207. .name = "5709 Buffered flash (256kB)",
  208. };
  209. MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
  210. static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_napi *bnapi)
  211. {
  212. u32 diff;
  213. smp_mb();
  214. /* The ring uses 256 indices for 255 entries, one of them
  215. * needs to be skipped.
  216. */
  217. diff = bp->tx_prod - bnapi->tx_cons;
  218. if (unlikely(diff >= TX_DESC_CNT)) {
  219. diff &= 0xffff;
  220. if (diff == TX_DESC_CNT)
  221. diff = MAX_TX_DESC_CNT;
  222. }
  223. return (bp->tx_ring_size - diff);
  224. }
  225. static u32
  226. bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
  227. {
  228. u32 val;
  229. spin_lock_bh(&bp->indirect_lock);
  230. REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
  231. val = REG_RD(bp, BNX2_PCICFG_REG_WINDOW);
  232. spin_unlock_bh(&bp->indirect_lock);
  233. return val;
  234. }
  235. static void
  236. bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
  237. {
  238. spin_lock_bh(&bp->indirect_lock);
  239. REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
  240. REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
  241. spin_unlock_bh(&bp->indirect_lock);
  242. }
  243. static void
  244. bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
  245. {
  246. bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
  247. }
  248. static u32
  249. bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
  250. {
  251. return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
  252. }
  253. static void
  254. bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
  255. {
  256. offset += cid_addr;
  257. spin_lock_bh(&bp->indirect_lock);
  258. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  259. int i;
  260. REG_WR(bp, BNX2_CTX_CTX_DATA, val);
  261. REG_WR(bp, BNX2_CTX_CTX_CTRL,
  262. offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
  263. for (i = 0; i < 5; i++) {
  264. u32 val;
  265. val = REG_RD(bp, BNX2_CTX_CTX_CTRL);
  266. if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
  267. break;
  268. udelay(5);
  269. }
  270. } else {
  271. REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
  272. REG_WR(bp, BNX2_CTX_DATA, val);
  273. }
  274. spin_unlock_bh(&bp->indirect_lock);
  275. }
  276. static int
  277. bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
  278. {
  279. u32 val1;
  280. int i, ret;
  281. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  282. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  283. val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  284. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  285. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  286. udelay(40);
  287. }
  288. val1 = (bp->phy_addr << 21) | (reg << 16) |
  289. BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
  290. BNX2_EMAC_MDIO_COMM_START_BUSY;
  291. REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
  292. for (i = 0; i < 50; i++) {
  293. udelay(10);
  294. val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
  295. if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
  296. udelay(5);
  297. val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
  298. val1 &= BNX2_EMAC_MDIO_COMM_DATA;
  299. break;
  300. }
  301. }
  302. if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
  303. *val = 0x0;
  304. ret = -EBUSY;
  305. }
  306. else {
  307. *val = val1;
  308. ret = 0;
  309. }
  310. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  311. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  312. val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  313. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  314. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  315. udelay(40);
  316. }
  317. return ret;
  318. }
  319. static int
  320. bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
  321. {
  322. u32 val1;
  323. int i, ret;
  324. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  325. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  326. val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  327. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  328. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  329. udelay(40);
  330. }
  331. val1 = (bp->phy_addr << 21) | (reg << 16) | val |
  332. BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
  333. BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
  334. REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
  335. for (i = 0; i < 50; i++) {
  336. udelay(10);
  337. val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
  338. if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
  339. udelay(5);
  340. break;
  341. }
  342. }
  343. if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
  344. ret = -EBUSY;
  345. else
  346. ret = 0;
  347. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  348. val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  349. val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  350. REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  351. REG_RD(bp, BNX2_EMAC_MDIO_MODE);
  352. udelay(40);
  353. }
  354. return ret;
  355. }
  356. static void
  357. bnx2_disable_int(struct bnx2 *bp)
  358. {
  359. int i;
  360. struct bnx2_napi *bnapi;
  361. for (i = 0; i < bp->irq_nvecs; i++) {
  362. bnapi = &bp->bnx2_napi[i];
  363. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  364. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  365. }
  366. REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
  367. }
  368. static void
  369. bnx2_enable_int(struct bnx2 *bp)
  370. {
  371. int i;
  372. struct bnx2_napi *bnapi;
  373. for (i = 0; i < bp->irq_nvecs; i++) {
  374. bnapi = &bp->bnx2_napi[i];
  375. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  376. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  377. BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
  378. bnapi->last_status_idx);
  379. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  380. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  381. bnapi->last_status_idx);
  382. }
  383. REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
  384. }
  385. static void
  386. bnx2_disable_int_sync(struct bnx2 *bp)
  387. {
  388. int i;
  389. atomic_inc(&bp->intr_sem);
  390. bnx2_disable_int(bp);
  391. for (i = 0; i < bp->irq_nvecs; i++)
  392. synchronize_irq(bp->irq_tbl[i].vector);
  393. }
  394. static void
  395. bnx2_napi_disable(struct bnx2 *bp)
  396. {
  397. int i;
  398. for (i = 0; i < bp->irq_nvecs; i++)
  399. napi_disable(&bp->bnx2_napi[i].napi);
  400. }
  401. static void
  402. bnx2_napi_enable(struct bnx2 *bp)
  403. {
  404. int i;
  405. for (i = 0; i < bp->irq_nvecs; i++)
  406. napi_enable(&bp->bnx2_napi[i].napi);
  407. }
  408. static void
  409. bnx2_netif_stop(struct bnx2 *bp)
  410. {
  411. bnx2_disable_int_sync(bp);
  412. if (netif_running(bp->dev)) {
  413. bnx2_napi_disable(bp);
  414. netif_tx_disable(bp->dev);
  415. bp->dev->trans_start = jiffies; /* prevent tx timeout */
  416. }
  417. }
  418. static void
  419. bnx2_netif_start(struct bnx2 *bp)
  420. {
  421. if (atomic_dec_and_test(&bp->intr_sem)) {
  422. if (netif_running(bp->dev)) {
  423. netif_wake_queue(bp->dev);
  424. bnx2_napi_enable(bp);
  425. bnx2_enable_int(bp);
  426. }
  427. }
  428. }
  429. static void
  430. bnx2_free_mem(struct bnx2 *bp)
  431. {
  432. int i;
  433. for (i = 0; i < bp->ctx_pages; i++) {
  434. if (bp->ctx_blk[i]) {
  435. pci_free_consistent(bp->pdev, BCM_PAGE_SIZE,
  436. bp->ctx_blk[i],
  437. bp->ctx_blk_mapping[i]);
  438. bp->ctx_blk[i] = NULL;
  439. }
  440. }
  441. if (bp->status_blk) {
  442. pci_free_consistent(bp->pdev, bp->status_stats_size,
  443. bp->status_blk, bp->status_blk_mapping);
  444. bp->status_blk = NULL;
  445. bp->stats_blk = NULL;
  446. }
  447. if (bp->tx_desc_ring) {
  448. pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
  449. bp->tx_desc_ring, bp->tx_desc_mapping);
  450. bp->tx_desc_ring = NULL;
  451. }
  452. kfree(bp->tx_buf_ring);
  453. bp->tx_buf_ring = NULL;
  454. for (i = 0; i < bp->rx_max_ring; i++) {
  455. if (bp->rx_desc_ring[i])
  456. pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
  457. bp->rx_desc_ring[i],
  458. bp->rx_desc_mapping[i]);
  459. bp->rx_desc_ring[i] = NULL;
  460. }
  461. vfree(bp->rx_buf_ring);
  462. bp->rx_buf_ring = NULL;
  463. for (i = 0; i < bp->rx_max_pg_ring; i++) {
  464. if (bp->rx_pg_desc_ring[i])
  465. pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
  466. bp->rx_pg_desc_ring[i],
  467. bp->rx_pg_desc_mapping[i]);
  468. bp->rx_pg_desc_ring[i] = NULL;
  469. }
  470. if (bp->rx_pg_ring)
  471. vfree(bp->rx_pg_ring);
  472. bp->rx_pg_ring = NULL;
  473. }
  474. static int
  475. bnx2_alloc_mem(struct bnx2 *bp)
  476. {
  477. int i, status_blk_size;
  478. bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
  479. if (bp->tx_buf_ring == NULL)
  480. return -ENOMEM;
  481. bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
  482. &bp->tx_desc_mapping);
  483. if (bp->tx_desc_ring == NULL)
  484. goto alloc_mem_err;
  485. bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
  486. if (bp->rx_buf_ring == NULL)
  487. goto alloc_mem_err;
  488. memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
  489. for (i = 0; i < bp->rx_max_ring; i++) {
  490. bp->rx_desc_ring[i] =
  491. pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
  492. &bp->rx_desc_mapping[i]);
  493. if (bp->rx_desc_ring[i] == NULL)
  494. goto alloc_mem_err;
  495. }
  496. if (bp->rx_pg_ring_size) {
  497. bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
  498. bp->rx_max_pg_ring);
  499. if (bp->rx_pg_ring == NULL)
  500. goto alloc_mem_err;
  501. memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
  502. bp->rx_max_pg_ring);
  503. }
  504. for (i = 0; i < bp->rx_max_pg_ring; i++) {
  505. bp->rx_pg_desc_ring[i] =
  506. pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
  507. &bp->rx_pg_desc_mapping[i]);
  508. if (bp->rx_pg_desc_ring[i] == NULL)
  509. goto alloc_mem_err;
  510. }
  511. /* Combine status and statistics blocks into one allocation. */
  512. status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
  513. if (bp->flags & BNX2_FLAG_MSIX_CAP)
  514. status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
  515. BNX2_SBLK_MSIX_ALIGN_SIZE);
  516. bp->status_stats_size = status_blk_size +
  517. sizeof(struct statistics_block);
  518. bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
  519. &bp->status_blk_mapping);
  520. if (bp->status_blk == NULL)
  521. goto alloc_mem_err;
  522. memset(bp->status_blk, 0, bp->status_stats_size);
  523. bp->bnx2_napi[0].status_blk = bp->status_blk;
  524. if (bp->flags & BNX2_FLAG_MSIX_CAP) {
  525. for (i = 1; i < BNX2_MAX_MSIX_VEC; i++) {
  526. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  527. bnapi->status_blk_msix = (void *)
  528. ((unsigned long) bp->status_blk +
  529. BNX2_SBLK_MSIX_ALIGN_SIZE * i);
  530. bnapi->int_num = i << 24;
  531. }
  532. }
  533. bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
  534. status_blk_size);
  535. bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
  536. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  537. bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE;
  538. if (bp->ctx_pages == 0)
  539. bp->ctx_pages = 1;
  540. for (i = 0; i < bp->ctx_pages; i++) {
  541. bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev,
  542. BCM_PAGE_SIZE,
  543. &bp->ctx_blk_mapping[i]);
  544. if (bp->ctx_blk[i] == NULL)
  545. goto alloc_mem_err;
  546. }
  547. }
  548. return 0;
  549. alloc_mem_err:
  550. bnx2_free_mem(bp);
  551. return -ENOMEM;
  552. }
  553. static void
  554. bnx2_report_fw_link(struct bnx2 *bp)
  555. {
  556. u32 fw_link_status = 0;
  557. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  558. return;
  559. if (bp->link_up) {
  560. u32 bmsr;
  561. switch (bp->line_speed) {
  562. case SPEED_10:
  563. if (bp->duplex == DUPLEX_HALF)
  564. fw_link_status = BNX2_LINK_STATUS_10HALF;
  565. else
  566. fw_link_status = BNX2_LINK_STATUS_10FULL;
  567. break;
  568. case SPEED_100:
  569. if (bp->duplex == DUPLEX_HALF)
  570. fw_link_status = BNX2_LINK_STATUS_100HALF;
  571. else
  572. fw_link_status = BNX2_LINK_STATUS_100FULL;
  573. break;
  574. case SPEED_1000:
  575. if (bp->duplex == DUPLEX_HALF)
  576. fw_link_status = BNX2_LINK_STATUS_1000HALF;
  577. else
  578. fw_link_status = BNX2_LINK_STATUS_1000FULL;
  579. break;
  580. case SPEED_2500:
  581. if (bp->duplex == DUPLEX_HALF)
  582. fw_link_status = BNX2_LINK_STATUS_2500HALF;
  583. else
  584. fw_link_status = BNX2_LINK_STATUS_2500FULL;
  585. break;
  586. }
  587. fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
  588. if (bp->autoneg) {
  589. fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
  590. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  591. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  592. if (!(bmsr & BMSR_ANEGCOMPLETE) ||
  593. bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
  594. fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
  595. else
  596. fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
  597. }
  598. }
  599. else
  600. fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
  601. bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
  602. }
  603. static char *
  604. bnx2_xceiver_str(struct bnx2 *bp)
  605. {
  606. return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
  607. ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
  608. "Copper"));
  609. }
  610. static void
  611. bnx2_report_link(struct bnx2 *bp)
  612. {
  613. if (bp->link_up) {
  614. netif_carrier_on(bp->dev);
  615. printk(KERN_INFO PFX "%s NIC %s Link is Up, ", bp->dev->name,
  616. bnx2_xceiver_str(bp));
  617. printk("%d Mbps ", bp->line_speed);
  618. if (bp->duplex == DUPLEX_FULL)
  619. printk("full duplex");
  620. else
  621. printk("half duplex");
  622. if (bp->flow_ctrl) {
  623. if (bp->flow_ctrl & FLOW_CTRL_RX) {
  624. printk(", receive ");
  625. if (bp->flow_ctrl & FLOW_CTRL_TX)
  626. printk("& transmit ");
  627. }
  628. else {
  629. printk(", transmit ");
  630. }
  631. printk("flow control ON");
  632. }
  633. printk("\n");
  634. }
  635. else {
  636. netif_carrier_off(bp->dev);
  637. printk(KERN_ERR PFX "%s NIC %s Link is Down\n", bp->dev->name,
  638. bnx2_xceiver_str(bp));
  639. }
  640. bnx2_report_fw_link(bp);
  641. }
  642. static void
  643. bnx2_resolve_flow_ctrl(struct bnx2 *bp)
  644. {
  645. u32 local_adv, remote_adv;
  646. bp->flow_ctrl = 0;
  647. if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
  648. (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
  649. if (bp->duplex == DUPLEX_FULL) {
  650. bp->flow_ctrl = bp->req_flow_ctrl;
  651. }
  652. return;
  653. }
  654. if (bp->duplex != DUPLEX_FULL) {
  655. return;
  656. }
  657. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  658. (CHIP_NUM(bp) == CHIP_NUM_5708)) {
  659. u32 val;
  660. bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
  661. if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
  662. bp->flow_ctrl |= FLOW_CTRL_TX;
  663. if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
  664. bp->flow_ctrl |= FLOW_CTRL_RX;
  665. return;
  666. }
  667. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  668. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  669. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  670. u32 new_local_adv = 0;
  671. u32 new_remote_adv = 0;
  672. if (local_adv & ADVERTISE_1000XPAUSE)
  673. new_local_adv |= ADVERTISE_PAUSE_CAP;
  674. if (local_adv & ADVERTISE_1000XPSE_ASYM)
  675. new_local_adv |= ADVERTISE_PAUSE_ASYM;
  676. if (remote_adv & ADVERTISE_1000XPAUSE)
  677. new_remote_adv |= ADVERTISE_PAUSE_CAP;
  678. if (remote_adv & ADVERTISE_1000XPSE_ASYM)
  679. new_remote_adv |= ADVERTISE_PAUSE_ASYM;
  680. local_adv = new_local_adv;
  681. remote_adv = new_remote_adv;
  682. }
  683. /* See Table 28B-3 of 802.3ab-1999 spec. */
  684. if (local_adv & ADVERTISE_PAUSE_CAP) {
  685. if(local_adv & ADVERTISE_PAUSE_ASYM) {
  686. if (remote_adv & ADVERTISE_PAUSE_CAP) {
  687. bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
  688. }
  689. else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
  690. bp->flow_ctrl = FLOW_CTRL_RX;
  691. }
  692. }
  693. else {
  694. if (remote_adv & ADVERTISE_PAUSE_CAP) {
  695. bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
  696. }
  697. }
  698. }
  699. else if (local_adv & ADVERTISE_PAUSE_ASYM) {
  700. if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
  701. (remote_adv & ADVERTISE_PAUSE_ASYM)) {
  702. bp->flow_ctrl = FLOW_CTRL_TX;
  703. }
  704. }
  705. }
  706. static int
  707. bnx2_5709s_linkup(struct bnx2 *bp)
  708. {
  709. u32 val, speed;
  710. bp->link_up = 1;
  711. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
  712. bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
  713. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  714. if ((bp->autoneg & AUTONEG_SPEED) == 0) {
  715. bp->line_speed = bp->req_line_speed;
  716. bp->duplex = bp->req_duplex;
  717. return 0;
  718. }
  719. speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
  720. switch (speed) {
  721. case MII_BNX2_GP_TOP_AN_SPEED_10:
  722. bp->line_speed = SPEED_10;
  723. break;
  724. case MII_BNX2_GP_TOP_AN_SPEED_100:
  725. bp->line_speed = SPEED_100;
  726. break;
  727. case MII_BNX2_GP_TOP_AN_SPEED_1G:
  728. case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
  729. bp->line_speed = SPEED_1000;
  730. break;
  731. case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
  732. bp->line_speed = SPEED_2500;
  733. break;
  734. }
  735. if (val & MII_BNX2_GP_TOP_AN_FD)
  736. bp->duplex = DUPLEX_FULL;
  737. else
  738. bp->duplex = DUPLEX_HALF;
  739. return 0;
  740. }
  741. static int
  742. bnx2_5708s_linkup(struct bnx2 *bp)
  743. {
  744. u32 val;
  745. bp->link_up = 1;
  746. bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
  747. switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
  748. case BCM5708S_1000X_STAT1_SPEED_10:
  749. bp->line_speed = SPEED_10;
  750. break;
  751. case BCM5708S_1000X_STAT1_SPEED_100:
  752. bp->line_speed = SPEED_100;
  753. break;
  754. case BCM5708S_1000X_STAT1_SPEED_1G:
  755. bp->line_speed = SPEED_1000;
  756. break;
  757. case BCM5708S_1000X_STAT1_SPEED_2G5:
  758. bp->line_speed = SPEED_2500;
  759. break;
  760. }
  761. if (val & BCM5708S_1000X_STAT1_FD)
  762. bp->duplex = DUPLEX_FULL;
  763. else
  764. bp->duplex = DUPLEX_HALF;
  765. return 0;
  766. }
  767. static int
  768. bnx2_5706s_linkup(struct bnx2 *bp)
  769. {
  770. u32 bmcr, local_adv, remote_adv, common;
  771. bp->link_up = 1;
  772. bp->line_speed = SPEED_1000;
  773. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  774. if (bmcr & BMCR_FULLDPLX) {
  775. bp->duplex = DUPLEX_FULL;
  776. }
  777. else {
  778. bp->duplex = DUPLEX_HALF;
  779. }
  780. if (!(bmcr & BMCR_ANENABLE)) {
  781. return 0;
  782. }
  783. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  784. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  785. common = local_adv & remote_adv;
  786. if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
  787. if (common & ADVERTISE_1000XFULL) {
  788. bp->duplex = DUPLEX_FULL;
  789. }
  790. else {
  791. bp->duplex = DUPLEX_HALF;
  792. }
  793. }
  794. return 0;
  795. }
  796. static int
  797. bnx2_copper_linkup(struct bnx2 *bp)
  798. {
  799. u32 bmcr;
  800. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  801. if (bmcr & BMCR_ANENABLE) {
  802. u32 local_adv, remote_adv, common;
  803. bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
  804. bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
  805. common = local_adv & (remote_adv >> 2);
  806. if (common & ADVERTISE_1000FULL) {
  807. bp->line_speed = SPEED_1000;
  808. bp->duplex = DUPLEX_FULL;
  809. }
  810. else if (common & ADVERTISE_1000HALF) {
  811. bp->line_speed = SPEED_1000;
  812. bp->duplex = DUPLEX_HALF;
  813. }
  814. else {
  815. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  816. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  817. common = local_adv & remote_adv;
  818. if (common & ADVERTISE_100FULL) {
  819. bp->line_speed = SPEED_100;
  820. bp->duplex = DUPLEX_FULL;
  821. }
  822. else if (common & ADVERTISE_100HALF) {
  823. bp->line_speed = SPEED_100;
  824. bp->duplex = DUPLEX_HALF;
  825. }
  826. else if (common & ADVERTISE_10FULL) {
  827. bp->line_speed = SPEED_10;
  828. bp->duplex = DUPLEX_FULL;
  829. }
  830. else if (common & ADVERTISE_10HALF) {
  831. bp->line_speed = SPEED_10;
  832. bp->duplex = DUPLEX_HALF;
  833. }
  834. else {
  835. bp->line_speed = 0;
  836. bp->link_up = 0;
  837. }
  838. }
  839. }
  840. else {
  841. if (bmcr & BMCR_SPEED100) {
  842. bp->line_speed = SPEED_100;
  843. }
  844. else {
  845. bp->line_speed = SPEED_10;
  846. }
  847. if (bmcr & BMCR_FULLDPLX) {
  848. bp->duplex = DUPLEX_FULL;
  849. }
  850. else {
  851. bp->duplex = DUPLEX_HALF;
  852. }
  853. }
  854. return 0;
  855. }
  856. static void
  857. bnx2_init_rx_context0(struct bnx2 *bp)
  858. {
  859. u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
  860. val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
  861. val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
  862. val |= 0x02 << 8;
  863. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  864. u32 lo_water, hi_water;
  865. if (bp->flow_ctrl & FLOW_CTRL_TX)
  866. lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
  867. else
  868. lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
  869. if (lo_water >= bp->rx_ring_size)
  870. lo_water = 0;
  871. hi_water = bp->rx_ring_size / 4;
  872. if (hi_water <= lo_water)
  873. lo_water = 0;
  874. hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
  875. lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
  876. if (hi_water > 0xf)
  877. hi_water = 0xf;
  878. else if (hi_water == 0)
  879. lo_water = 0;
  880. val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
  881. }
  882. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
  883. }
  884. static int
  885. bnx2_set_mac_link(struct bnx2 *bp)
  886. {
  887. u32 val;
  888. REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
  889. if (bp->link_up && (bp->line_speed == SPEED_1000) &&
  890. (bp->duplex == DUPLEX_HALF)) {
  891. REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
  892. }
  893. /* Configure the EMAC mode register. */
  894. val = REG_RD(bp, BNX2_EMAC_MODE);
  895. val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
  896. BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
  897. BNX2_EMAC_MODE_25G_MODE);
  898. if (bp->link_up) {
  899. switch (bp->line_speed) {
  900. case SPEED_10:
  901. if (CHIP_NUM(bp) != CHIP_NUM_5706) {
  902. val |= BNX2_EMAC_MODE_PORT_MII_10M;
  903. break;
  904. }
  905. /* fall through */
  906. case SPEED_100:
  907. val |= BNX2_EMAC_MODE_PORT_MII;
  908. break;
  909. case SPEED_2500:
  910. val |= BNX2_EMAC_MODE_25G_MODE;
  911. /* fall through */
  912. case SPEED_1000:
  913. val |= BNX2_EMAC_MODE_PORT_GMII;
  914. break;
  915. }
  916. }
  917. else {
  918. val |= BNX2_EMAC_MODE_PORT_GMII;
  919. }
  920. /* Set the MAC to operate in the appropriate duplex mode. */
  921. if (bp->duplex == DUPLEX_HALF)
  922. val |= BNX2_EMAC_MODE_HALF_DUPLEX;
  923. REG_WR(bp, BNX2_EMAC_MODE, val);
  924. /* Enable/disable rx PAUSE. */
  925. bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
  926. if (bp->flow_ctrl & FLOW_CTRL_RX)
  927. bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
  928. REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
  929. /* Enable/disable tx PAUSE. */
  930. val = REG_RD(bp, BNX2_EMAC_TX_MODE);
  931. val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
  932. if (bp->flow_ctrl & FLOW_CTRL_TX)
  933. val |= BNX2_EMAC_TX_MODE_FLOW_EN;
  934. REG_WR(bp, BNX2_EMAC_TX_MODE, val);
  935. /* Acknowledge the interrupt. */
  936. REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
  937. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  938. bnx2_init_rx_context0(bp);
  939. return 0;
  940. }
  941. static void
  942. bnx2_enable_bmsr1(struct bnx2 *bp)
  943. {
  944. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  945. (CHIP_NUM(bp) == CHIP_NUM_5709))
  946. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  947. MII_BNX2_BLK_ADDR_GP_STATUS);
  948. }
  949. static void
  950. bnx2_disable_bmsr1(struct bnx2 *bp)
  951. {
  952. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  953. (CHIP_NUM(bp) == CHIP_NUM_5709))
  954. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  955. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  956. }
  957. static int
  958. bnx2_test_and_enable_2g5(struct bnx2 *bp)
  959. {
  960. u32 up1;
  961. int ret = 1;
  962. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  963. return 0;
  964. if (bp->autoneg & AUTONEG_SPEED)
  965. bp->advertising |= ADVERTISED_2500baseX_Full;
  966. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  967. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  968. bnx2_read_phy(bp, bp->mii_up1, &up1);
  969. if (!(up1 & BCM5708S_UP1_2G5)) {
  970. up1 |= BCM5708S_UP1_2G5;
  971. bnx2_write_phy(bp, bp->mii_up1, up1);
  972. ret = 0;
  973. }
  974. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  975. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  976. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  977. return ret;
  978. }
  979. static int
  980. bnx2_test_and_disable_2g5(struct bnx2 *bp)
  981. {
  982. u32 up1;
  983. int ret = 0;
  984. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  985. return 0;
  986. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  987. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  988. bnx2_read_phy(bp, bp->mii_up1, &up1);
  989. if (up1 & BCM5708S_UP1_2G5) {
  990. up1 &= ~BCM5708S_UP1_2G5;
  991. bnx2_write_phy(bp, bp->mii_up1, up1);
  992. ret = 1;
  993. }
  994. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  995. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  996. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  997. return ret;
  998. }
  999. static void
  1000. bnx2_enable_forced_2g5(struct bnx2 *bp)
  1001. {
  1002. u32 bmcr;
  1003. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1004. return;
  1005. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  1006. u32 val;
  1007. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1008. MII_BNX2_BLK_ADDR_SERDES_DIG);
  1009. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
  1010. val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
  1011. val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
  1012. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
  1013. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1014. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1015. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1016. } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  1017. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1018. bmcr |= BCM5708S_BMCR_FORCE_2500;
  1019. }
  1020. if (bp->autoneg & AUTONEG_SPEED) {
  1021. bmcr &= ~BMCR_ANENABLE;
  1022. if (bp->req_duplex == DUPLEX_FULL)
  1023. bmcr |= BMCR_FULLDPLX;
  1024. }
  1025. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  1026. }
  1027. static void
  1028. bnx2_disable_forced_2g5(struct bnx2 *bp)
  1029. {
  1030. u32 bmcr;
  1031. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1032. return;
  1033. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  1034. u32 val;
  1035. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1036. MII_BNX2_BLK_ADDR_SERDES_DIG);
  1037. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
  1038. val &= ~MII_BNX2_SD_MISC1_FORCE;
  1039. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
  1040. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1041. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1042. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1043. } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  1044. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1045. bmcr &= ~BCM5708S_BMCR_FORCE_2500;
  1046. }
  1047. if (bp->autoneg & AUTONEG_SPEED)
  1048. bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
  1049. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  1050. }
  1051. static void
  1052. bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
  1053. {
  1054. u32 val;
  1055. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
  1056. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
  1057. if (start)
  1058. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
  1059. else
  1060. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
  1061. }
  1062. static int
  1063. bnx2_set_link(struct bnx2 *bp)
  1064. {
  1065. u32 bmsr;
  1066. u8 link_up;
  1067. if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
  1068. bp->link_up = 1;
  1069. return 0;
  1070. }
  1071. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  1072. return 0;
  1073. link_up = bp->link_up;
  1074. bnx2_enable_bmsr1(bp);
  1075. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  1076. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  1077. bnx2_disable_bmsr1(bp);
  1078. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1079. (CHIP_NUM(bp) == CHIP_NUM_5706)) {
  1080. u32 val, an_dbg;
  1081. if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
  1082. bnx2_5706s_force_link_dn(bp, 0);
  1083. bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
  1084. }
  1085. val = REG_RD(bp, BNX2_EMAC_STATUS);
  1086. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
  1087. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  1088. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  1089. if ((val & BNX2_EMAC_STATUS_LINK) &&
  1090. !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
  1091. bmsr |= BMSR_LSTATUS;
  1092. else
  1093. bmsr &= ~BMSR_LSTATUS;
  1094. }
  1095. if (bmsr & BMSR_LSTATUS) {
  1096. bp->link_up = 1;
  1097. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1098. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  1099. bnx2_5706s_linkup(bp);
  1100. else if (CHIP_NUM(bp) == CHIP_NUM_5708)
  1101. bnx2_5708s_linkup(bp);
  1102. else if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1103. bnx2_5709s_linkup(bp);
  1104. }
  1105. else {
  1106. bnx2_copper_linkup(bp);
  1107. }
  1108. bnx2_resolve_flow_ctrl(bp);
  1109. }
  1110. else {
  1111. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1112. (bp->autoneg & AUTONEG_SPEED))
  1113. bnx2_disable_forced_2g5(bp);
  1114. if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
  1115. u32 bmcr;
  1116. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1117. bmcr |= BMCR_ANENABLE;
  1118. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  1119. bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
  1120. }
  1121. bp->link_up = 0;
  1122. }
  1123. if (bp->link_up != link_up) {
  1124. bnx2_report_link(bp);
  1125. }
  1126. bnx2_set_mac_link(bp);
  1127. return 0;
  1128. }
  1129. static int
  1130. bnx2_reset_phy(struct bnx2 *bp)
  1131. {
  1132. int i;
  1133. u32 reg;
  1134. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
  1135. #define PHY_RESET_MAX_WAIT 100
  1136. for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
  1137. udelay(10);
  1138. bnx2_read_phy(bp, bp->mii_bmcr, &reg);
  1139. if (!(reg & BMCR_RESET)) {
  1140. udelay(20);
  1141. break;
  1142. }
  1143. }
  1144. if (i == PHY_RESET_MAX_WAIT) {
  1145. return -EBUSY;
  1146. }
  1147. return 0;
  1148. }
  1149. static u32
  1150. bnx2_phy_get_pause_adv(struct bnx2 *bp)
  1151. {
  1152. u32 adv = 0;
  1153. if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
  1154. (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
  1155. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1156. adv = ADVERTISE_1000XPAUSE;
  1157. }
  1158. else {
  1159. adv = ADVERTISE_PAUSE_CAP;
  1160. }
  1161. }
  1162. else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
  1163. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1164. adv = ADVERTISE_1000XPSE_ASYM;
  1165. }
  1166. else {
  1167. adv = ADVERTISE_PAUSE_ASYM;
  1168. }
  1169. }
  1170. else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
  1171. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1172. adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
  1173. }
  1174. else {
  1175. adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
  1176. }
  1177. }
  1178. return adv;
  1179. }
  1180. static int bnx2_fw_sync(struct bnx2 *, u32, int);
  1181. static int
  1182. bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
  1183. {
  1184. u32 speed_arg = 0, pause_adv;
  1185. pause_adv = bnx2_phy_get_pause_adv(bp);
  1186. if (bp->autoneg & AUTONEG_SPEED) {
  1187. speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
  1188. if (bp->advertising & ADVERTISED_10baseT_Half)
  1189. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
  1190. if (bp->advertising & ADVERTISED_10baseT_Full)
  1191. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
  1192. if (bp->advertising & ADVERTISED_100baseT_Half)
  1193. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
  1194. if (bp->advertising & ADVERTISED_100baseT_Full)
  1195. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
  1196. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1197. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
  1198. if (bp->advertising & ADVERTISED_2500baseX_Full)
  1199. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
  1200. } else {
  1201. if (bp->req_line_speed == SPEED_2500)
  1202. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
  1203. else if (bp->req_line_speed == SPEED_1000)
  1204. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
  1205. else if (bp->req_line_speed == SPEED_100) {
  1206. if (bp->req_duplex == DUPLEX_FULL)
  1207. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
  1208. else
  1209. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
  1210. } else if (bp->req_line_speed == SPEED_10) {
  1211. if (bp->req_duplex == DUPLEX_FULL)
  1212. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
  1213. else
  1214. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
  1215. }
  1216. }
  1217. if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
  1218. speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
  1219. if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
  1220. speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
  1221. if (port == PORT_TP)
  1222. speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
  1223. BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
  1224. bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
  1225. spin_unlock_bh(&bp->phy_lock);
  1226. bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 0);
  1227. spin_lock_bh(&bp->phy_lock);
  1228. return 0;
  1229. }
  1230. static int
  1231. bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
  1232. {
  1233. u32 adv, bmcr;
  1234. u32 new_adv = 0;
  1235. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  1236. return (bnx2_setup_remote_phy(bp, port));
  1237. if (!(bp->autoneg & AUTONEG_SPEED)) {
  1238. u32 new_bmcr;
  1239. int force_link_down = 0;
  1240. if (bp->req_line_speed == SPEED_2500) {
  1241. if (!bnx2_test_and_enable_2g5(bp))
  1242. force_link_down = 1;
  1243. } else if (bp->req_line_speed == SPEED_1000) {
  1244. if (bnx2_test_and_disable_2g5(bp))
  1245. force_link_down = 1;
  1246. }
  1247. bnx2_read_phy(bp, bp->mii_adv, &adv);
  1248. adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
  1249. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1250. new_bmcr = bmcr & ~BMCR_ANENABLE;
  1251. new_bmcr |= BMCR_SPEED1000;
  1252. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  1253. if (bp->req_line_speed == SPEED_2500)
  1254. bnx2_enable_forced_2g5(bp);
  1255. else if (bp->req_line_speed == SPEED_1000) {
  1256. bnx2_disable_forced_2g5(bp);
  1257. new_bmcr &= ~0x2000;
  1258. }
  1259. } else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  1260. if (bp->req_line_speed == SPEED_2500)
  1261. new_bmcr |= BCM5708S_BMCR_FORCE_2500;
  1262. else
  1263. new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
  1264. }
  1265. if (bp->req_duplex == DUPLEX_FULL) {
  1266. adv |= ADVERTISE_1000XFULL;
  1267. new_bmcr |= BMCR_FULLDPLX;
  1268. }
  1269. else {
  1270. adv |= ADVERTISE_1000XHALF;
  1271. new_bmcr &= ~BMCR_FULLDPLX;
  1272. }
  1273. if ((new_bmcr != bmcr) || (force_link_down)) {
  1274. /* Force a link down visible on the other side */
  1275. if (bp->link_up) {
  1276. bnx2_write_phy(bp, bp->mii_adv, adv &
  1277. ~(ADVERTISE_1000XFULL |
  1278. ADVERTISE_1000XHALF));
  1279. bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
  1280. BMCR_ANRESTART | BMCR_ANENABLE);
  1281. bp->link_up = 0;
  1282. netif_carrier_off(bp->dev);
  1283. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1284. bnx2_report_link(bp);
  1285. }
  1286. bnx2_write_phy(bp, bp->mii_adv, adv);
  1287. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1288. } else {
  1289. bnx2_resolve_flow_ctrl(bp);
  1290. bnx2_set_mac_link(bp);
  1291. }
  1292. return 0;
  1293. }
  1294. bnx2_test_and_enable_2g5(bp);
  1295. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1296. new_adv |= ADVERTISE_1000XFULL;
  1297. new_adv |= bnx2_phy_get_pause_adv(bp);
  1298. bnx2_read_phy(bp, bp->mii_adv, &adv);
  1299. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1300. bp->serdes_an_pending = 0;
  1301. if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
  1302. /* Force a link down visible on the other side */
  1303. if (bp->link_up) {
  1304. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  1305. spin_unlock_bh(&bp->phy_lock);
  1306. msleep(20);
  1307. spin_lock_bh(&bp->phy_lock);
  1308. }
  1309. bnx2_write_phy(bp, bp->mii_adv, new_adv);
  1310. bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
  1311. BMCR_ANENABLE);
  1312. /* Speed up link-up time when the link partner
  1313. * does not autonegotiate which is very common
  1314. * in blade servers. Some blade servers use
  1315. * IPMI for kerboard input and it's important
  1316. * to minimize link disruptions. Autoneg. involves
  1317. * exchanging base pages plus 3 next pages and
  1318. * normally completes in about 120 msec.
  1319. */
  1320. bp->current_interval = SERDES_AN_TIMEOUT;
  1321. bp->serdes_an_pending = 1;
  1322. mod_timer(&bp->timer, jiffies + bp->current_interval);
  1323. } else {
  1324. bnx2_resolve_flow_ctrl(bp);
  1325. bnx2_set_mac_link(bp);
  1326. }
  1327. return 0;
  1328. }
  1329. #define ETHTOOL_ALL_FIBRE_SPEED \
  1330. (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
  1331. (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
  1332. (ADVERTISED_1000baseT_Full)
  1333. #define ETHTOOL_ALL_COPPER_SPEED \
  1334. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
  1335. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
  1336. ADVERTISED_1000baseT_Full)
  1337. #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
  1338. ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
  1339. #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
  1340. static void
  1341. bnx2_set_default_remote_link(struct bnx2 *bp)
  1342. {
  1343. u32 link;
  1344. if (bp->phy_port == PORT_TP)
  1345. link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
  1346. else
  1347. link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
  1348. if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
  1349. bp->req_line_speed = 0;
  1350. bp->autoneg |= AUTONEG_SPEED;
  1351. bp->advertising = ADVERTISED_Autoneg;
  1352. if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
  1353. bp->advertising |= ADVERTISED_10baseT_Half;
  1354. if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
  1355. bp->advertising |= ADVERTISED_10baseT_Full;
  1356. if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
  1357. bp->advertising |= ADVERTISED_100baseT_Half;
  1358. if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
  1359. bp->advertising |= ADVERTISED_100baseT_Full;
  1360. if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
  1361. bp->advertising |= ADVERTISED_1000baseT_Full;
  1362. if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
  1363. bp->advertising |= ADVERTISED_2500baseX_Full;
  1364. } else {
  1365. bp->autoneg = 0;
  1366. bp->advertising = 0;
  1367. bp->req_duplex = DUPLEX_FULL;
  1368. if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
  1369. bp->req_line_speed = SPEED_10;
  1370. if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
  1371. bp->req_duplex = DUPLEX_HALF;
  1372. }
  1373. if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
  1374. bp->req_line_speed = SPEED_100;
  1375. if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
  1376. bp->req_duplex = DUPLEX_HALF;
  1377. }
  1378. if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
  1379. bp->req_line_speed = SPEED_1000;
  1380. if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
  1381. bp->req_line_speed = SPEED_2500;
  1382. }
  1383. }
  1384. static void
  1385. bnx2_set_default_link(struct bnx2 *bp)
  1386. {
  1387. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  1388. bnx2_set_default_remote_link(bp);
  1389. return;
  1390. }
  1391. bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
  1392. bp->req_line_speed = 0;
  1393. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1394. u32 reg;
  1395. bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
  1396. reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
  1397. reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
  1398. if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
  1399. bp->autoneg = 0;
  1400. bp->req_line_speed = bp->line_speed = SPEED_1000;
  1401. bp->req_duplex = DUPLEX_FULL;
  1402. }
  1403. } else
  1404. bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
  1405. }
  1406. static void
  1407. bnx2_send_heart_beat(struct bnx2 *bp)
  1408. {
  1409. u32 msg;
  1410. u32 addr;
  1411. spin_lock(&bp->indirect_lock);
  1412. msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
  1413. addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
  1414. REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
  1415. REG_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
  1416. spin_unlock(&bp->indirect_lock);
  1417. }
  1418. static void
  1419. bnx2_remote_phy_event(struct bnx2 *bp)
  1420. {
  1421. u32 msg;
  1422. u8 link_up = bp->link_up;
  1423. u8 old_port;
  1424. msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
  1425. if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
  1426. bnx2_send_heart_beat(bp);
  1427. msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
  1428. if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
  1429. bp->link_up = 0;
  1430. else {
  1431. u32 speed;
  1432. bp->link_up = 1;
  1433. speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
  1434. bp->duplex = DUPLEX_FULL;
  1435. switch (speed) {
  1436. case BNX2_LINK_STATUS_10HALF:
  1437. bp->duplex = DUPLEX_HALF;
  1438. case BNX2_LINK_STATUS_10FULL:
  1439. bp->line_speed = SPEED_10;
  1440. break;
  1441. case BNX2_LINK_STATUS_100HALF:
  1442. bp->duplex = DUPLEX_HALF;
  1443. case BNX2_LINK_STATUS_100BASE_T4:
  1444. case BNX2_LINK_STATUS_100FULL:
  1445. bp->line_speed = SPEED_100;
  1446. break;
  1447. case BNX2_LINK_STATUS_1000HALF:
  1448. bp->duplex = DUPLEX_HALF;
  1449. case BNX2_LINK_STATUS_1000FULL:
  1450. bp->line_speed = SPEED_1000;
  1451. break;
  1452. case BNX2_LINK_STATUS_2500HALF:
  1453. bp->duplex = DUPLEX_HALF;
  1454. case BNX2_LINK_STATUS_2500FULL:
  1455. bp->line_speed = SPEED_2500;
  1456. break;
  1457. default:
  1458. bp->line_speed = 0;
  1459. break;
  1460. }
  1461. bp->flow_ctrl = 0;
  1462. if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
  1463. (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
  1464. if (bp->duplex == DUPLEX_FULL)
  1465. bp->flow_ctrl = bp->req_flow_ctrl;
  1466. } else {
  1467. if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
  1468. bp->flow_ctrl |= FLOW_CTRL_TX;
  1469. if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
  1470. bp->flow_ctrl |= FLOW_CTRL_RX;
  1471. }
  1472. old_port = bp->phy_port;
  1473. if (msg & BNX2_LINK_STATUS_SERDES_LINK)
  1474. bp->phy_port = PORT_FIBRE;
  1475. else
  1476. bp->phy_port = PORT_TP;
  1477. if (old_port != bp->phy_port)
  1478. bnx2_set_default_link(bp);
  1479. }
  1480. if (bp->link_up != link_up)
  1481. bnx2_report_link(bp);
  1482. bnx2_set_mac_link(bp);
  1483. }
  1484. static int
  1485. bnx2_set_remote_link(struct bnx2 *bp)
  1486. {
  1487. u32 evt_code;
  1488. evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
  1489. switch (evt_code) {
  1490. case BNX2_FW_EVT_CODE_LINK_EVENT:
  1491. bnx2_remote_phy_event(bp);
  1492. break;
  1493. case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
  1494. default:
  1495. bnx2_send_heart_beat(bp);
  1496. break;
  1497. }
  1498. return 0;
  1499. }
  1500. static int
  1501. bnx2_setup_copper_phy(struct bnx2 *bp)
  1502. {
  1503. u32 bmcr;
  1504. u32 new_bmcr;
  1505. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1506. if (bp->autoneg & AUTONEG_SPEED) {
  1507. u32 adv_reg, adv1000_reg;
  1508. u32 new_adv_reg = 0;
  1509. u32 new_adv1000_reg = 0;
  1510. bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
  1511. adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
  1512. ADVERTISE_PAUSE_ASYM);
  1513. bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
  1514. adv1000_reg &= PHY_ALL_1000_SPEED;
  1515. if (bp->advertising & ADVERTISED_10baseT_Half)
  1516. new_adv_reg |= ADVERTISE_10HALF;
  1517. if (bp->advertising & ADVERTISED_10baseT_Full)
  1518. new_adv_reg |= ADVERTISE_10FULL;
  1519. if (bp->advertising & ADVERTISED_100baseT_Half)
  1520. new_adv_reg |= ADVERTISE_100HALF;
  1521. if (bp->advertising & ADVERTISED_100baseT_Full)
  1522. new_adv_reg |= ADVERTISE_100FULL;
  1523. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1524. new_adv1000_reg |= ADVERTISE_1000FULL;
  1525. new_adv_reg |= ADVERTISE_CSMA;
  1526. new_adv_reg |= bnx2_phy_get_pause_adv(bp);
  1527. if ((adv1000_reg != new_adv1000_reg) ||
  1528. (adv_reg != new_adv_reg) ||
  1529. ((bmcr & BMCR_ANENABLE) == 0)) {
  1530. bnx2_write_phy(bp, bp->mii_adv, new_adv_reg);
  1531. bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
  1532. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
  1533. BMCR_ANENABLE);
  1534. }
  1535. else if (bp->link_up) {
  1536. /* Flow ctrl may have changed from auto to forced */
  1537. /* or vice-versa. */
  1538. bnx2_resolve_flow_ctrl(bp);
  1539. bnx2_set_mac_link(bp);
  1540. }
  1541. return 0;
  1542. }
  1543. new_bmcr = 0;
  1544. if (bp->req_line_speed == SPEED_100) {
  1545. new_bmcr |= BMCR_SPEED100;
  1546. }
  1547. if (bp->req_duplex == DUPLEX_FULL) {
  1548. new_bmcr |= BMCR_FULLDPLX;
  1549. }
  1550. if (new_bmcr != bmcr) {
  1551. u32 bmsr;
  1552. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1553. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1554. if (bmsr & BMSR_LSTATUS) {
  1555. /* Force link down */
  1556. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  1557. spin_unlock_bh(&bp->phy_lock);
  1558. msleep(50);
  1559. spin_lock_bh(&bp->phy_lock);
  1560. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1561. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1562. }
  1563. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1564. /* Normally, the new speed is setup after the link has
  1565. * gone down and up again. In some cases, link will not go
  1566. * down so we need to set up the new speed here.
  1567. */
  1568. if (bmsr & BMSR_LSTATUS) {
  1569. bp->line_speed = bp->req_line_speed;
  1570. bp->duplex = bp->req_duplex;
  1571. bnx2_resolve_flow_ctrl(bp);
  1572. bnx2_set_mac_link(bp);
  1573. }
  1574. } else {
  1575. bnx2_resolve_flow_ctrl(bp);
  1576. bnx2_set_mac_link(bp);
  1577. }
  1578. return 0;
  1579. }
  1580. static int
  1581. bnx2_setup_phy(struct bnx2 *bp, u8 port)
  1582. {
  1583. if (bp->loopback == MAC_LOOPBACK)
  1584. return 0;
  1585. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1586. return (bnx2_setup_serdes_phy(bp, port));
  1587. }
  1588. else {
  1589. return (bnx2_setup_copper_phy(bp));
  1590. }
  1591. }
  1592. static int
  1593. bnx2_init_5709s_phy(struct bnx2 *bp)
  1594. {
  1595. u32 val;
  1596. bp->mii_bmcr = MII_BMCR + 0x10;
  1597. bp->mii_bmsr = MII_BMSR + 0x10;
  1598. bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
  1599. bp->mii_adv = MII_ADVERTISE + 0x10;
  1600. bp->mii_lpa = MII_LPA + 0x10;
  1601. bp->mii_up1 = MII_BNX2_OVER1G_UP1;
  1602. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
  1603. bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
  1604. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1605. bnx2_reset_phy(bp);
  1606. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
  1607. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
  1608. val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
  1609. val |= MII_BNX2_SD_1000XCTL1_FIBER;
  1610. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
  1611. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  1612. bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
  1613. if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
  1614. val |= BCM5708S_UP1_2G5;
  1615. else
  1616. val &= ~BCM5708S_UP1_2G5;
  1617. bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
  1618. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
  1619. bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
  1620. val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
  1621. bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
  1622. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
  1623. val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
  1624. MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
  1625. bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
  1626. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1627. return 0;
  1628. }
  1629. static int
  1630. bnx2_init_5708s_phy(struct bnx2 *bp)
  1631. {
  1632. u32 val;
  1633. bnx2_reset_phy(bp);
  1634. bp->mii_up1 = BCM5708S_UP1;
  1635. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
  1636. bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
  1637. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
  1638. bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
  1639. val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
  1640. bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
  1641. bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
  1642. val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
  1643. bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
  1644. if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
  1645. bnx2_read_phy(bp, BCM5708S_UP1, &val);
  1646. val |= BCM5708S_UP1_2G5;
  1647. bnx2_write_phy(bp, BCM5708S_UP1, val);
  1648. }
  1649. if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
  1650. (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
  1651. (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
  1652. /* increase tx signal amplitude */
  1653. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1654. BCM5708S_BLK_ADDR_TX_MISC);
  1655. bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
  1656. val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
  1657. bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
  1658. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
  1659. }
  1660. val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
  1661. BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
  1662. if (val) {
  1663. u32 is_backplane;
  1664. is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
  1665. if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
  1666. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1667. BCM5708S_BLK_ADDR_TX_MISC);
  1668. bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
  1669. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1670. BCM5708S_BLK_ADDR_DIG);
  1671. }
  1672. }
  1673. return 0;
  1674. }
  1675. static int
  1676. bnx2_init_5706s_phy(struct bnx2 *bp)
  1677. {
  1678. bnx2_reset_phy(bp);
  1679. bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
  1680. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  1681. REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
  1682. if (bp->dev->mtu > 1500) {
  1683. u32 val;
  1684. /* Set extended packet length bit */
  1685. bnx2_write_phy(bp, 0x18, 0x7);
  1686. bnx2_read_phy(bp, 0x18, &val);
  1687. bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
  1688. bnx2_write_phy(bp, 0x1c, 0x6c00);
  1689. bnx2_read_phy(bp, 0x1c, &val);
  1690. bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
  1691. }
  1692. else {
  1693. u32 val;
  1694. bnx2_write_phy(bp, 0x18, 0x7);
  1695. bnx2_read_phy(bp, 0x18, &val);
  1696. bnx2_write_phy(bp, 0x18, val & ~0x4007);
  1697. bnx2_write_phy(bp, 0x1c, 0x6c00);
  1698. bnx2_read_phy(bp, 0x1c, &val);
  1699. bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
  1700. }
  1701. return 0;
  1702. }
  1703. static int
  1704. bnx2_init_copper_phy(struct bnx2 *bp)
  1705. {
  1706. u32 val;
  1707. bnx2_reset_phy(bp);
  1708. if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
  1709. bnx2_write_phy(bp, 0x18, 0x0c00);
  1710. bnx2_write_phy(bp, 0x17, 0x000a);
  1711. bnx2_write_phy(bp, 0x15, 0x310b);
  1712. bnx2_write_phy(bp, 0x17, 0x201f);
  1713. bnx2_write_phy(bp, 0x15, 0x9506);
  1714. bnx2_write_phy(bp, 0x17, 0x401f);
  1715. bnx2_write_phy(bp, 0x15, 0x14e2);
  1716. bnx2_write_phy(bp, 0x18, 0x0400);
  1717. }
  1718. if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
  1719. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
  1720. MII_BNX2_DSP_EXPAND_REG | 0x8);
  1721. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
  1722. val &= ~(1 << 8);
  1723. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
  1724. }
  1725. if (bp->dev->mtu > 1500) {
  1726. /* Set extended packet length bit */
  1727. bnx2_write_phy(bp, 0x18, 0x7);
  1728. bnx2_read_phy(bp, 0x18, &val);
  1729. bnx2_write_phy(bp, 0x18, val | 0x4000);
  1730. bnx2_read_phy(bp, 0x10, &val);
  1731. bnx2_write_phy(bp, 0x10, val | 0x1);
  1732. }
  1733. else {
  1734. bnx2_write_phy(bp, 0x18, 0x7);
  1735. bnx2_read_phy(bp, 0x18, &val);
  1736. bnx2_write_phy(bp, 0x18, val & ~0x4007);
  1737. bnx2_read_phy(bp, 0x10, &val);
  1738. bnx2_write_phy(bp, 0x10, val & ~0x1);
  1739. }
  1740. /* ethernet@wirespeed */
  1741. bnx2_write_phy(bp, 0x18, 0x7007);
  1742. bnx2_read_phy(bp, 0x18, &val);
  1743. bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
  1744. return 0;
  1745. }
  1746. static int
  1747. bnx2_init_phy(struct bnx2 *bp)
  1748. {
  1749. u32 val;
  1750. int rc = 0;
  1751. bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
  1752. bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
  1753. bp->mii_bmcr = MII_BMCR;
  1754. bp->mii_bmsr = MII_BMSR;
  1755. bp->mii_bmsr1 = MII_BMSR;
  1756. bp->mii_adv = MII_ADVERTISE;
  1757. bp->mii_lpa = MII_LPA;
  1758. REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
  1759. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  1760. goto setup_phy;
  1761. bnx2_read_phy(bp, MII_PHYSID1, &val);
  1762. bp->phy_id = val << 16;
  1763. bnx2_read_phy(bp, MII_PHYSID2, &val);
  1764. bp->phy_id |= val & 0xffff;
  1765. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1766. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  1767. rc = bnx2_init_5706s_phy(bp);
  1768. else if (CHIP_NUM(bp) == CHIP_NUM_5708)
  1769. rc = bnx2_init_5708s_phy(bp);
  1770. else if (CHIP_NUM(bp) == CHIP_NUM_5709)
  1771. rc = bnx2_init_5709s_phy(bp);
  1772. }
  1773. else {
  1774. rc = bnx2_init_copper_phy(bp);
  1775. }
  1776. setup_phy:
  1777. if (!rc)
  1778. rc = bnx2_setup_phy(bp, bp->phy_port);
  1779. return rc;
  1780. }
  1781. static int
  1782. bnx2_set_mac_loopback(struct bnx2 *bp)
  1783. {
  1784. u32 mac_mode;
  1785. mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
  1786. mac_mode &= ~BNX2_EMAC_MODE_PORT;
  1787. mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
  1788. REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
  1789. bp->link_up = 1;
  1790. return 0;
  1791. }
  1792. static int bnx2_test_link(struct bnx2 *);
  1793. static int
  1794. bnx2_set_phy_loopback(struct bnx2 *bp)
  1795. {
  1796. u32 mac_mode;
  1797. int rc, i;
  1798. spin_lock_bh(&bp->phy_lock);
  1799. rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
  1800. BMCR_SPEED1000);
  1801. spin_unlock_bh(&bp->phy_lock);
  1802. if (rc)
  1803. return rc;
  1804. for (i = 0; i < 10; i++) {
  1805. if (bnx2_test_link(bp) == 0)
  1806. break;
  1807. msleep(100);
  1808. }
  1809. mac_mode = REG_RD(bp, BNX2_EMAC_MODE);
  1810. mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
  1811. BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
  1812. BNX2_EMAC_MODE_25G_MODE);
  1813. mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
  1814. REG_WR(bp, BNX2_EMAC_MODE, mac_mode);
  1815. bp->link_up = 1;
  1816. return 0;
  1817. }
  1818. static int
  1819. bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
  1820. {
  1821. int i;
  1822. u32 val;
  1823. bp->fw_wr_seq++;
  1824. msg_data |= bp->fw_wr_seq;
  1825. bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
  1826. /* wait for an acknowledgement. */
  1827. for (i = 0; i < (FW_ACK_TIME_OUT_MS / 10); i++) {
  1828. msleep(10);
  1829. val = bnx2_shmem_rd(bp, BNX2_FW_MB);
  1830. if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
  1831. break;
  1832. }
  1833. if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
  1834. return 0;
  1835. /* If we timed out, inform the firmware that this is the case. */
  1836. if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
  1837. if (!silent)
  1838. printk(KERN_ERR PFX "fw sync timeout, reset code = "
  1839. "%x\n", msg_data);
  1840. msg_data &= ~BNX2_DRV_MSG_CODE;
  1841. msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
  1842. bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
  1843. return -EBUSY;
  1844. }
  1845. if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
  1846. return -EIO;
  1847. return 0;
  1848. }
  1849. static int
  1850. bnx2_init_5709_context(struct bnx2 *bp)
  1851. {
  1852. int i, ret = 0;
  1853. u32 val;
  1854. val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
  1855. val |= (BCM_PAGE_BITS - 8) << 16;
  1856. REG_WR(bp, BNX2_CTX_COMMAND, val);
  1857. for (i = 0; i < 10; i++) {
  1858. val = REG_RD(bp, BNX2_CTX_COMMAND);
  1859. if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
  1860. break;
  1861. udelay(2);
  1862. }
  1863. if (val & BNX2_CTX_COMMAND_MEM_INIT)
  1864. return -EBUSY;
  1865. for (i = 0; i < bp->ctx_pages; i++) {
  1866. int j;
  1867. if (bp->ctx_blk[i])
  1868. memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
  1869. else
  1870. return -ENOMEM;
  1871. REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
  1872. (bp->ctx_blk_mapping[i] & 0xffffffff) |
  1873. BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
  1874. REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
  1875. (u64) bp->ctx_blk_mapping[i] >> 32);
  1876. REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
  1877. BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
  1878. for (j = 0; j < 10; j++) {
  1879. val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
  1880. if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
  1881. break;
  1882. udelay(5);
  1883. }
  1884. if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
  1885. ret = -EBUSY;
  1886. break;
  1887. }
  1888. }
  1889. return ret;
  1890. }
  1891. static void
  1892. bnx2_init_context(struct bnx2 *bp)
  1893. {
  1894. u32 vcid;
  1895. vcid = 96;
  1896. while (vcid) {
  1897. u32 vcid_addr, pcid_addr, offset;
  1898. int i;
  1899. vcid--;
  1900. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  1901. u32 new_vcid;
  1902. vcid_addr = GET_PCID_ADDR(vcid);
  1903. if (vcid & 0x8) {
  1904. new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
  1905. }
  1906. else {
  1907. new_vcid = vcid;
  1908. }
  1909. pcid_addr = GET_PCID_ADDR(new_vcid);
  1910. }
  1911. else {
  1912. vcid_addr = GET_CID_ADDR(vcid);
  1913. pcid_addr = vcid_addr;
  1914. }
  1915. for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
  1916. vcid_addr += (i << PHY_CTX_SHIFT);
  1917. pcid_addr += (i << PHY_CTX_SHIFT);
  1918. REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
  1919. REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
  1920. /* Zero out the context. */
  1921. for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
  1922. bnx2_ctx_wr(bp, vcid_addr, offset, 0);
  1923. }
  1924. }
  1925. }
  1926. static int
  1927. bnx2_alloc_bad_rbuf(struct bnx2 *bp)
  1928. {
  1929. u16 *good_mbuf;
  1930. u32 good_mbuf_cnt;
  1931. u32 val;
  1932. good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
  1933. if (good_mbuf == NULL) {
  1934. printk(KERN_ERR PFX "Failed to allocate memory in "
  1935. "bnx2_alloc_bad_rbuf\n");
  1936. return -ENOMEM;
  1937. }
  1938. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  1939. BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
  1940. good_mbuf_cnt = 0;
  1941. /* Allocate a bunch of mbufs and save the good ones in an array. */
  1942. val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
  1943. while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
  1944. bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
  1945. BNX2_RBUF_COMMAND_ALLOC_REQ);
  1946. val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
  1947. val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
  1948. /* The addresses with Bit 9 set are bad memory blocks. */
  1949. if (!(val & (1 << 9))) {
  1950. good_mbuf[good_mbuf_cnt] = (u16) val;
  1951. good_mbuf_cnt++;
  1952. }
  1953. val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
  1954. }
  1955. /* Free the good ones back to the mbuf pool thus discarding
  1956. * all the bad ones. */
  1957. while (good_mbuf_cnt) {
  1958. good_mbuf_cnt--;
  1959. val = good_mbuf[good_mbuf_cnt];
  1960. val = (val << 9) | val | 1;
  1961. bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
  1962. }
  1963. kfree(good_mbuf);
  1964. return 0;
  1965. }
  1966. static void
  1967. bnx2_set_mac_addr(struct bnx2 *bp)
  1968. {
  1969. u32 val;
  1970. u8 *mac_addr = bp->dev->dev_addr;
  1971. val = (mac_addr[0] << 8) | mac_addr[1];
  1972. REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
  1973. val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
  1974. (mac_addr[4] << 8) | mac_addr[5];
  1975. REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
  1976. }
  1977. static inline int
  1978. bnx2_alloc_rx_page(struct bnx2 *bp, u16 index)
  1979. {
  1980. dma_addr_t mapping;
  1981. struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
  1982. struct rx_bd *rxbd =
  1983. &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)];
  1984. struct page *page = alloc_page(GFP_ATOMIC);
  1985. if (!page)
  1986. return -ENOMEM;
  1987. mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
  1988. PCI_DMA_FROMDEVICE);
  1989. rx_pg->page = page;
  1990. pci_unmap_addr_set(rx_pg, mapping, mapping);
  1991. rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
  1992. rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  1993. return 0;
  1994. }
  1995. static void
  1996. bnx2_free_rx_page(struct bnx2 *bp, u16 index)
  1997. {
  1998. struct sw_pg *rx_pg = &bp->rx_pg_ring[index];
  1999. struct page *page = rx_pg->page;
  2000. if (!page)
  2001. return;
  2002. pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE,
  2003. PCI_DMA_FROMDEVICE);
  2004. __free_page(page);
  2005. rx_pg->page = NULL;
  2006. }
  2007. static inline int
  2008. bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, u16 index)
  2009. {
  2010. struct sk_buff *skb;
  2011. struct sw_bd *rx_buf = &bp->rx_buf_ring[index];
  2012. dma_addr_t mapping;
  2013. struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
  2014. unsigned long align;
  2015. skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
  2016. if (skb == NULL) {
  2017. return -ENOMEM;
  2018. }
  2019. if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1))))
  2020. skb_reserve(skb, BNX2_RX_ALIGN - align);
  2021. mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
  2022. PCI_DMA_FROMDEVICE);
  2023. rx_buf->skb = skb;
  2024. pci_unmap_addr_set(rx_buf, mapping, mapping);
  2025. rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
  2026. rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  2027. bnapi->rx_prod_bseq += bp->rx_buf_use_size;
  2028. return 0;
  2029. }
  2030. static int
  2031. bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
  2032. {
  2033. struct status_block *sblk = bnapi->status_blk;
  2034. u32 new_link_state, old_link_state;
  2035. int is_set = 1;
  2036. new_link_state = sblk->status_attn_bits & event;
  2037. old_link_state = sblk->status_attn_bits_ack & event;
  2038. if (new_link_state != old_link_state) {
  2039. if (new_link_state)
  2040. REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
  2041. else
  2042. REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
  2043. } else
  2044. is_set = 0;
  2045. return is_set;
  2046. }
  2047. static void
  2048. bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
  2049. {
  2050. spin_lock(&bp->phy_lock);
  2051. if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
  2052. bnx2_set_link(bp);
  2053. if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
  2054. bnx2_set_remote_link(bp);
  2055. spin_unlock(&bp->phy_lock);
  2056. }
  2057. static inline u16
  2058. bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
  2059. {
  2060. u16 cons;
  2061. if (bnapi->int_num == 0)
  2062. cons = bnapi->status_blk->status_tx_quick_consumer_index0;
  2063. else
  2064. cons = bnapi->status_blk_msix->status_tx_quick_consumer_index;
  2065. if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT))
  2066. cons++;
  2067. return cons;
  2068. }
  2069. static int
  2070. bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
  2071. {
  2072. u16 hw_cons, sw_cons, sw_ring_cons;
  2073. int tx_pkt = 0;
  2074. hw_cons = bnx2_get_hw_tx_cons(bnapi);
  2075. sw_cons = bnapi->tx_cons;
  2076. while (sw_cons != hw_cons) {
  2077. struct sw_bd *tx_buf;
  2078. struct sk_buff *skb;
  2079. int i, last;
  2080. sw_ring_cons = TX_RING_IDX(sw_cons);
  2081. tx_buf = &bp->tx_buf_ring[sw_ring_cons];
  2082. skb = tx_buf->skb;
  2083. /* partial BD completions possible with TSO packets */
  2084. if (skb_is_gso(skb)) {
  2085. u16 last_idx, last_ring_idx;
  2086. last_idx = sw_cons +
  2087. skb_shinfo(skb)->nr_frags + 1;
  2088. last_ring_idx = sw_ring_cons +
  2089. skb_shinfo(skb)->nr_frags + 1;
  2090. if (unlikely(last_ring_idx >= MAX_TX_DESC_CNT)) {
  2091. last_idx++;
  2092. }
  2093. if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
  2094. break;
  2095. }
  2096. }
  2097. pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
  2098. skb_headlen(skb), PCI_DMA_TODEVICE);
  2099. tx_buf->skb = NULL;
  2100. last = skb_shinfo(skb)->nr_frags;
  2101. for (i = 0; i < last; i++) {
  2102. sw_cons = NEXT_TX_BD(sw_cons);
  2103. pci_unmap_page(bp->pdev,
  2104. pci_unmap_addr(
  2105. &bp->tx_buf_ring[TX_RING_IDX(sw_cons)],
  2106. mapping),
  2107. skb_shinfo(skb)->frags[i].size,
  2108. PCI_DMA_TODEVICE);
  2109. }
  2110. sw_cons = NEXT_TX_BD(sw_cons);
  2111. dev_kfree_skb(skb);
  2112. tx_pkt++;
  2113. if (tx_pkt == budget)
  2114. break;
  2115. hw_cons = bnx2_get_hw_tx_cons(bnapi);
  2116. }
  2117. bnapi->hw_tx_cons = hw_cons;
  2118. bnapi->tx_cons = sw_cons;
  2119. /* Need to make the tx_cons update visible to bnx2_start_xmit()
  2120. * before checking for netif_queue_stopped(). Without the
  2121. * memory barrier, there is a small possibility that bnx2_start_xmit()
  2122. * will miss it and cause the queue to be stopped forever.
  2123. */
  2124. smp_mb();
  2125. if (unlikely(netif_queue_stopped(bp->dev)) &&
  2126. (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)) {
  2127. netif_tx_lock(bp->dev);
  2128. if ((netif_queue_stopped(bp->dev)) &&
  2129. (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh))
  2130. netif_wake_queue(bp->dev);
  2131. netif_tx_unlock(bp->dev);
  2132. }
  2133. return tx_pkt;
  2134. }
  2135. static void
  2136. bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_napi *bnapi,
  2137. struct sk_buff *skb, int count)
  2138. {
  2139. struct sw_pg *cons_rx_pg, *prod_rx_pg;
  2140. struct rx_bd *cons_bd, *prod_bd;
  2141. dma_addr_t mapping;
  2142. int i;
  2143. u16 hw_prod = bnapi->rx_pg_prod, prod;
  2144. u16 cons = bnapi->rx_pg_cons;
  2145. for (i = 0; i < count; i++) {
  2146. prod = RX_PG_RING_IDX(hw_prod);
  2147. prod_rx_pg = &bp->rx_pg_ring[prod];
  2148. cons_rx_pg = &bp->rx_pg_ring[cons];
  2149. cons_bd = &bp->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)];
  2150. prod_bd = &bp->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
  2151. if (i == 0 && skb) {
  2152. struct page *page;
  2153. struct skb_shared_info *shinfo;
  2154. shinfo = skb_shinfo(skb);
  2155. shinfo->nr_frags--;
  2156. page = shinfo->frags[shinfo->nr_frags].page;
  2157. shinfo->frags[shinfo->nr_frags].page = NULL;
  2158. mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE,
  2159. PCI_DMA_FROMDEVICE);
  2160. cons_rx_pg->page = page;
  2161. pci_unmap_addr_set(cons_rx_pg, mapping, mapping);
  2162. dev_kfree_skb(skb);
  2163. }
  2164. if (prod != cons) {
  2165. prod_rx_pg->page = cons_rx_pg->page;
  2166. cons_rx_pg->page = NULL;
  2167. pci_unmap_addr_set(prod_rx_pg, mapping,
  2168. pci_unmap_addr(cons_rx_pg, mapping));
  2169. prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
  2170. prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
  2171. }
  2172. cons = RX_PG_RING_IDX(NEXT_RX_BD(cons));
  2173. hw_prod = NEXT_RX_BD(hw_prod);
  2174. }
  2175. bnapi->rx_pg_prod = hw_prod;
  2176. bnapi->rx_pg_cons = cons;
  2177. }
  2178. static inline void
  2179. bnx2_reuse_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
  2180. u16 cons, u16 prod)
  2181. {
  2182. struct sw_bd *cons_rx_buf, *prod_rx_buf;
  2183. struct rx_bd *cons_bd, *prod_bd;
  2184. cons_rx_buf = &bp->rx_buf_ring[cons];
  2185. prod_rx_buf = &bp->rx_buf_ring[prod];
  2186. pci_dma_sync_single_for_device(bp->pdev,
  2187. pci_unmap_addr(cons_rx_buf, mapping),
  2188. bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
  2189. bnapi->rx_prod_bseq += bp->rx_buf_use_size;
  2190. prod_rx_buf->skb = skb;
  2191. if (cons == prod)
  2192. return;
  2193. pci_unmap_addr_set(prod_rx_buf, mapping,
  2194. pci_unmap_addr(cons_rx_buf, mapping));
  2195. cons_bd = &bp->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
  2196. prod_bd = &bp->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
  2197. prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
  2198. prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
  2199. }
  2200. static int
  2201. bnx2_rx_skb(struct bnx2 *bp, struct bnx2_napi *bnapi, struct sk_buff *skb,
  2202. unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
  2203. u32 ring_idx)
  2204. {
  2205. int err;
  2206. u16 prod = ring_idx & 0xffff;
  2207. err = bnx2_alloc_rx_skb(bp, bnapi, prod);
  2208. if (unlikely(err)) {
  2209. bnx2_reuse_rx_skb(bp, bnapi, skb, (u16) (ring_idx >> 16), prod);
  2210. if (hdr_len) {
  2211. unsigned int raw_len = len + 4;
  2212. int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
  2213. bnx2_reuse_rx_skb_pages(bp, bnapi, NULL, pages);
  2214. }
  2215. return err;
  2216. }
  2217. skb_reserve(skb, bp->rx_offset);
  2218. pci_unmap_single(bp->pdev, dma_addr, bp->rx_buf_use_size,
  2219. PCI_DMA_FROMDEVICE);
  2220. if (hdr_len == 0) {
  2221. skb_put(skb, len);
  2222. return 0;
  2223. } else {
  2224. unsigned int i, frag_len, frag_size, pages;
  2225. struct sw_pg *rx_pg;
  2226. u16 pg_cons = bnapi->rx_pg_cons;
  2227. u16 pg_prod = bnapi->rx_pg_prod;
  2228. frag_size = len + 4 - hdr_len;
  2229. pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
  2230. skb_put(skb, hdr_len);
  2231. for (i = 0; i < pages; i++) {
  2232. frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
  2233. if (unlikely(frag_len <= 4)) {
  2234. unsigned int tail = 4 - frag_len;
  2235. bnapi->rx_pg_cons = pg_cons;
  2236. bnapi->rx_pg_prod = pg_prod;
  2237. bnx2_reuse_rx_skb_pages(bp, bnapi, NULL,
  2238. pages - i);
  2239. skb->len -= tail;
  2240. if (i == 0) {
  2241. skb->tail -= tail;
  2242. } else {
  2243. skb_frag_t *frag =
  2244. &skb_shinfo(skb)->frags[i - 1];
  2245. frag->size -= tail;
  2246. skb->data_len -= tail;
  2247. skb->truesize -= tail;
  2248. }
  2249. return 0;
  2250. }
  2251. rx_pg = &bp->rx_pg_ring[pg_cons];
  2252. pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping),
  2253. PAGE_SIZE, PCI_DMA_FROMDEVICE);
  2254. if (i == pages - 1)
  2255. frag_len -= 4;
  2256. skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
  2257. rx_pg->page = NULL;
  2258. err = bnx2_alloc_rx_page(bp, RX_PG_RING_IDX(pg_prod));
  2259. if (unlikely(err)) {
  2260. bnapi->rx_pg_cons = pg_cons;
  2261. bnapi->rx_pg_prod = pg_prod;
  2262. bnx2_reuse_rx_skb_pages(bp, bnapi, skb,
  2263. pages - i);
  2264. return err;
  2265. }
  2266. frag_size -= frag_len;
  2267. skb->data_len += frag_len;
  2268. skb->truesize += frag_len;
  2269. skb->len += frag_len;
  2270. pg_prod = NEXT_RX_BD(pg_prod);
  2271. pg_cons = RX_PG_RING_IDX(NEXT_RX_BD(pg_cons));
  2272. }
  2273. bnapi->rx_pg_prod = pg_prod;
  2274. bnapi->rx_pg_cons = pg_cons;
  2275. }
  2276. return 0;
  2277. }
  2278. static inline u16
  2279. bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
  2280. {
  2281. u16 cons = bnapi->status_blk->status_rx_quick_consumer_index0;
  2282. if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT))
  2283. cons++;
  2284. return cons;
  2285. }
  2286. static int
  2287. bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
  2288. {
  2289. u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
  2290. struct l2_fhdr *rx_hdr;
  2291. int rx_pkt = 0, pg_ring_used = 0;
  2292. hw_cons = bnx2_get_hw_rx_cons(bnapi);
  2293. sw_cons = bnapi->rx_cons;
  2294. sw_prod = bnapi->rx_prod;
  2295. /* Memory barrier necessary as speculative reads of the rx
  2296. * buffer can be ahead of the index in the status block
  2297. */
  2298. rmb();
  2299. while (sw_cons != hw_cons) {
  2300. unsigned int len, hdr_len;
  2301. u32 status;
  2302. struct sw_bd *rx_buf;
  2303. struct sk_buff *skb;
  2304. dma_addr_t dma_addr;
  2305. sw_ring_cons = RX_RING_IDX(sw_cons);
  2306. sw_ring_prod = RX_RING_IDX(sw_prod);
  2307. rx_buf = &bp->rx_buf_ring[sw_ring_cons];
  2308. skb = rx_buf->skb;
  2309. rx_buf->skb = NULL;
  2310. dma_addr = pci_unmap_addr(rx_buf, mapping);
  2311. pci_dma_sync_single_for_cpu(bp->pdev, dma_addr,
  2312. bp->rx_offset + RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
  2313. rx_hdr = (struct l2_fhdr *) skb->data;
  2314. len = rx_hdr->l2_fhdr_pkt_len;
  2315. if ((status = rx_hdr->l2_fhdr_status) &
  2316. (L2_FHDR_ERRORS_BAD_CRC |
  2317. L2_FHDR_ERRORS_PHY_DECODE |
  2318. L2_FHDR_ERRORS_ALIGNMENT |
  2319. L2_FHDR_ERRORS_TOO_SHORT |
  2320. L2_FHDR_ERRORS_GIANT_FRAME)) {
  2321. bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
  2322. sw_ring_prod);
  2323. goto next_rx;
  2324. }
  2325. hdr_len = 0;
  2326. if (status & L2_FHDR_STATUS_SPLIT) {
  2327. hdr_len = rx_hdr->l2_fhdr_ip_xsum;
  2328. pg_ring_used = 1;
  2329. } else if (len > bp->rx_jumbo_thresh) {
  2330. hdr_len = bp->rx_jumbo_thresh;
  2331. pg_ring_used = 1;
  2332. }
  2333. len -= 4;
  2334. if (len <= bp->rx_copy_thresh) {
  2335. struct sk_buff *new_skb;
  2336. new_skb = netdev_alloc_skb(bp->dev, len + 2);
  2337. if (new_skb == NULL) {
  2338. bnx2_reuse_rx_skb(bp, bnapi, skb, sw_ring_cons,
  2339. sw_ring_prod);
  2340. goto next_rx;
  2341. }
  2342. /* aligned copy */
  2343. skb_copy_from_linear_data_offset(skb, bp->rx_offset - 2,
  2344. new_skb->data, len + 2);
  2345. skb_reserve(new_skb, 2);
  2346. skb_put(new_skb, len);
  2347. bnx2_reuse_rx_skb(bp, bnapi, skb,
  2348. sw_ring_cons, sw_ring_prod);
  2349. skb = new_skb;
  2350. } else if (unlikely(bnx2_rx_skb(bp, bnapi, skb, len, hdr_len,
  2351. dma_addr, (sw_ring_cons << 16) | sw_ring_prod)))
  2352. goto next_rx;
  2353. skb->protocol = eth_type_trans(skb, bp->dev);
  2354. if ((len > (bp->dev->mtu + ETH_HLEN)) &&
  2355. (ntohs(skb->protocol) != 0x8100)) {
  2356. dev_kfree_skb(skb);
  2357. goto next_rx;
  2358. }
  2359. skb->ip_summed = CHECKSUM_NONE;
  2360. if (bp->rx_csum &&
  2361. (status & (L2_FHDR_STATUS_TCP_SEGMENT |
  2362. L2_FHDR_STATUS_UDP_DATAGRAM))) {
  2363. if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
  2364. L2_FHDR_ERRORS_UDP_XSUM)) == 0))
  2365. skb->ip_summed = CHECKSUM_UNNECESSARY;
  2366. }
  2367. #ifdef BCM_VLAN
  2368. if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
  2369. vlan_hwaccel_receive_skb(skb, bp->vlgrp,
  2370. rx_hdr->l2_fhdr_vlan_tag);
  2371. }
  2372. else
  2373. #endif
  2374. netif_receive_skb(skb);
  2375. bp->dev->last_rx = jiffies;
  2376. rx_pkt++;
  2377. next_rx:
  2378. sw_cons = NEXT_RX_BD(sw_cons);
  2379. sw_prod = NEXT_RX_BD(sw_prod);
  2380. if ((rx_pkt == budget))
  2381. break;
  2382. /* Refresh hw_cons to see if there is new work */
  2383. if (sw_cons == hw_cons) {
  2384. hw_cons = bnx2_get_hw_rx_cons(bnapi);
  2385. rmb();
  2386. }
  2387. }
  2388. bnapi->rx_cons = sw_cons;
  2389. bnapi->rx_prod = sw_prod;
  2390. if (pg_ring_used)
  2391. REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
  2392. bnapi->rx_pg_prod);
  2393. REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, sw_prod);
  2394. REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
  2395. mmiowb();
  2396. return rx_pkt;
  2397. }
  2398. /* MSI ISR - The only difference between this and the INTx ISR
  2399. * is that the MSI interrupt is always serviced.
  2400. */
  2401. static irqreturn_t
  2402. bnx2_msi(int irq, void *dev_instance)
  2403. {
  2404. struct net_device *dev = dev_instance;
  2405. struct bnx2 *bp = netdev_priv(dev);
  2406. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  2407. prefetch(bnapi->status_blk);
  2408. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2409. BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
  2410. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  2411. /* Return here if interrupt is disabled. */
  2412. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2413. return IRQ_HANDLED;
  2414. netif_rx_schedule(dev, &bnapi->napi);
  2415. return IRQ_HANDLED;
  2416. }
  2417. static irqreturn_t
  2418. bnx2_msi_1shot(int irq, void *dev_instance)
  2419. {
  2420. struct net_device *dev = dev_instance;
  2421. struct bnx2 *bp = netdev_priv(dev);
  2422. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  2423. prefetch(bnapi->status_blk);
  2424. /* Return here if interrupt is disabled. */
  2425. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2426. return IRQ_HANDLED;
  2427. netif_rx_schedule(dev, &bnapi->napi);
  2428. return IRQ_HANDLED;
  2429. }
  2430. static irqreturn_t
  2431. bnx2_interrupt(int irq, void *dev_instance)
  2432. {
  2433. struct net_device *dev = dev_instance;
  2434. struct bnx2 *bp = netdev_priv(dev);
  2435. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  2436. struct status_block *sblk = bnapi->status_blk;
  2437. /* When using INTx, it is possible for the interrupt to arrive
  2438. * at the CPU before the status block posted prior to the
  2439. * interrupt. Reading a register will flush the status block.
  2440. * When using MSI, the MSI message will always complete after
  2441. * the status block write.
  2442. */
  2443. if ((sblk->status_idx == bnapi->last_status_idx) &&
  2444. (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
  2445. BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
  2446. return IRQ_NONE;
  2447. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2448. BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
  2449. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  2450. /* Read back to deassert IRQ immediately to avoid too many
  2451. * spurious interrupts.
  2452. */
  2453. REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
  2454. /* Return here if interrupt is shared and is disabled. */
  2455. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2456. return IRQ_HANDLED;
  2457. if (netif_rx_schedule_prep(dev, &bnapi->napi)) {
  2458. bnapi->last_status_idx = sblk->status_idx;
  2459. __netif_rx_schedule(dev, &bnapi->napi);
  2460. }
  2461. return IRQ_HANDLED;
  2462. }
  2463. static irqreturn_t
  2464. bnx2_tx_msix(int irq, void *dev_instance)
  2465. {
  2466. struct net_device *dev = dev_instance;
  2467. struct bnx2 *bp = netdev_priv(dev);
  2468. struct bnx2_napi *bnapi = &bp->bnx2_napi[BNX2_TX_VEC];
  2469. prefetch(bnapi->status_blk_msix);
  2470. /* Return here if interrupt is disabled. */
  2471. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2472. return IRQ_HANDLED;
  2473. netif_rx_schedule(dev, &bnapi->napi);
  2474. return IRQ_HANDLED;
  2475. }
  2476. #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
  2477. STATUS_ATTN_BITS_TIMER_ABORT)
  2478. static inline int
  2479. bnx2_has_work(struct bnx2_napi *bnapi)
  2480. {
  2481. struct status_block *sblk = bnapi->status_blk;
  2482. if ((bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons) ||
  2483. (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons))
  2484. return 1;
  2485. if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
  2486. (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
  2487. return 1;
  2488. return 0;
  2489. }
  2490. static int bnx2_tx_poll(struct napi_struct *napi, int budget)
  2491. {
  2492. struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
  2493. struct bnx2 *bp = bnapi->bp;
  2494. int work_done = 0;
  2495. struct status_block_msix *sblk = bnapi->status_blk_msix;
  2496. do {
  2497. work_done += bnx2_tx_int(bp, bnapi, budget - work_done);
  2498. if (unlikely(work_done >= budget))
  2499. return work_done;
  2500. bnapi->last_status_idx = sblk->status_idx;
  2501. rmb();
  2502. } while (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons);
  2503. netif_rx_complete(bp->dev, napi);
  2504. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  2505. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2506. bnapi->last_status_idx);
  2507. return work_done;
  2508. }
  2509. static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
  2510. int work_done, int budget)
  2511. {
  2512. struct status_block *sblk = bnapi->status_blk;
  2513. u32 status_attn_bits = sblk->status_attn_bits;
  2514. u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
  2515. if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
  2516. (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
  2517. bnx2_phy_int(bp, bnapi);
  2518. /* This is needed to take care of transient status
  2519. * during link changes.
  2520. */
  2521. REG_WR(bp, BNX2_HC_COMMAND,
  2522. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  2523. REG_RD(bp, BNX2_HC_COMMAND);
  2524. }
  2525. if (bnx2_get_hw_tx_cons(bnapi) != bnapi->hw_tx_cons)
  2526. bnx2_tx_int(bp, bnapi, 0);
  2527. if (bnx2_get_hw_rx_cons(bnapi) != bnapi->rx_cons)
  2528. work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
  2529. return work_done;
  2530. }
  2531. static int bnx2_poll(struct napi_struct *napi, int budget)
  2532. {
  2533. struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
  2534. struct bnx2 *bp = bnapi->bp;
  2535. int work_done = 0;
  2536. struct status_block *sblk = bnapi->status_blk;
  2537. while (1) {
  2538. work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
  2539. if (unlikely(work_done >= budget))
  2540. break;
  2541. /* bnapi->last_status_idx is used below to tell the hw how
  2542. * much work has been processed, so we must read it before
  2543. * checking for more work.
  2544. */
  2545. bnapi->last_status_idx = sblk->status_idx;
  2546. rmb();
  2547. if (likely(!bnx2_has_work(bnapi))) {
  2548. netif_rx_complete(bp->dev, napi);
  2549. if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
  2550. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2551. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2552. bnapi->last_status_idx);
  2553. break;
  2554. }
  2555. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2556. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2557. BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
  2558. bnapi->last_status_idx);
  2559. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2560. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2561. bnapi->last_status_idx);
  2562. break;
  2563. }
  2564. }
  2565. return work_done;
  2566. }
  2567. /* Called with rtnl_lock from vlan functions and also netif_tx_lock
  2568. * from set_multicast.
  2569. */
  2570. static void
  2571. bnx2_set_rx_mode(struct net_device *dev)
  2572. {
  2573. struct bnx2 *bp = netdev_priv(dev);
  2574. u32 rx_mode, sort_mode;
  2575. int i;
  2576. spin_lock_bh(&bp->phy_lock);
  2577. rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
  2578. BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
  2579. sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
  2580. #ifdef BCM_VLAN
  2581. if (!bp->vlgrp && !(bp->flags & BNX2_FLAG_ASF_ENABLE))
  2582. rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
  2583. #else
  2584. if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
  2585. rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
  2586. #endif
  2587. if (dev->flags & IFF_PROMISC) {
  2588. /* Promiscuous mode. */
  2589. rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
  2590. sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
  2591. BNX2_RPM_SORT_USER0_PROM_VLAN;
  2592. }
  2593. else if (dev->flags & IFF_ALLMULTI) {
  2594. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  2595. REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  2596. 0xffffffff);
  2597. }
  2598. sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
  2599. }
  2600. else {
  2601. /* Accept one or more multicast(s). */
  2602. struct dev_mc_list *mclist;
  2603. u32 mc_filter[NUM_MC_HASH_REGISTERS];
  2604. u32 regidx;
  2605. u32 bit;
  2606. u32 crc;
  2607. memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
  2608. for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
  2609. i++, mclist = mclist->next) {
  2610. crc = ether_crc_le(ETH_ALEN, mclist->dmi_addr);
  2611. bit = crc & 0xff;
  2612. regidx = (bit & 0xe0) >> 5;
  2613. bit &= 0x1f;
  2614. mc_filter[regidx] |= (1 << bit);
  2615. }
  2616. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  2617. REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  2618. mc_filter[i]);
  2619. }
  2620. sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
  2621. }
  2622. if (rx_mode != bp->rx_mode) {
  2623. bp->rx_mode = rx_mode;
  2624. REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
  2625. }
  2626. REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
  2627. REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
  2628. REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
  2629. spin_unlock_bh(&bp->phy_lock);
  2630. }
  2631. static void
  2632. load_rv2p_fw(struct bnx2 *bp, __le32 *rv2p_code, u32 rv2p_code_len,
  2633. u32 rv2p_proc)
  2634. {
  2635. int i;
  2636. u32 val;
  2637. if (rv2p_proc == RV2P_PROC2 && CHIP_NUM(bp) == CHIP_NUM_5709) {
  2638. val = le32_to_cpu(rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC]);
  2639. val &= ~XI_RV2P_PROC2_BD_PAGE_SIZE_MSK;
  2640. val |= XI_RV2P_PROC2_BD_PAGE_SIZE;
  2641. rv2p_code[XI_RV2P_PROC2_MAX_BD_PAGE_LOC] = cpu_to_le32(val);
  2642. }
  2643. for (i = 0; i < rv2p_code_len; i += 8) {
  2644. REG_WR(bp, BNX2_RV2P_INSTR_HIGH, le32_to_cpu(*rv2p_code));
  2645. rv2p_code++;
  2646. REG_WR(bp, BNX2_RV2P_INSTR_LOW, le32_to_cpu(*rv2p_code));
  2647. rv2p_code++;
  2648. if (rv2p_proc == RV2P_PROC1) {
  2649. val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
  2650. REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
  2651. }
  2652. else {
  2653. val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
  2654. REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
  2655. }
  2656. }
  2657. /* Reset the processor, un-stall is done later. */
  2658. if (rv2p_proc == RV2P_PROC1) {
  2659. REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
  2660. }
  2661. else {
  2662. REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
  2663. }
  2664. }
  2665. static int
  2666. load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
  2667. {
  2668. u32 offset;
  2669. u32 val;
  2670. int rc;
  2671. /* Halt the CPU. */
  2672. val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
  2673. val |= cpu_reg->mode_value_halt;
  2674. bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
  2675. bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
  2676. /* Load the Text area. */
  2677. offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
  2678. if (fw->gz_text) {
  2679. int j;
  2680. rc = zlib_inflate_blob(fw->text, FW_BUF_SIZE, fw->gz_text,
  2681. fw->gz_text_len);
  2682. if (rc < 0)
  2683. return rc;
  2684. for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
  2685. bnx2_reg_wr_ind(bp, offset, le32_to_cpu(fw->text[j]));
  2686. }
  2687. }
  2688. /* Load the Data area. */
  2689. offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
  2690. if (fw->data) {
  2691. int j;
  2692. for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
  2693. bnx2_reg_wr_ind(bp, offset, fw->data[j]);
  2694. }
  2695. }
  2696. /* Load the SBSS area. */
  2697. offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
  2698. if (fw->sbss_len) {
  2699. int j;
  2700. for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
  2701. bnx2_reg_wr_ind(bp, offset, 0);
  2702. }
  2703. }
  2704. /* Load the BSS area. */
  2705. offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
  2706. if (fw->bss_len) {
  2707. int j;
  2708. for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
  2709. bnx2_reg_wr_ind(bp, offset, 0);
  2710. }
  2711. }
  2712. /* Load the Read-Only area. */
  2713. offset = cpu_reg->spad_base +
  2714. (fw->rodata_addr - cpu_reg->mips_view_base);
  2715. if (fw->rodata) {
  2716. int j;
  2717. for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
  2718. bnx2_reg_wr_ind(bp, offset, fw->rodata[j]);
  2719. }
  2720. }
  2721. /* Clear the pre-fetch instruction. */
  2722. bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
  2723. bnx2_reg_wr_ind(bp, cpu_reg->pc, fw->start_addr);
  2724. /* Start the CPU. */
  2725. val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
  2726. val &= ~cpu_reg->mode_value_halt;
  2727. bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
  2728. bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
  2729. return 0;
  2730. }
  2731. static int
  2732. bnx2_init_cpus(struct bnx2 *bp)
  2733. {
  2734. struct cpu_reg cpu_reg;
  2735. struct fw_info *fw;
  2736. int rc, rv2p_len;
  2737. void *text, *rv2p;
  2738. /* Initialize the RV2P processor. */
  2739. text = vmalloc(FW_BUF_SIZE);
  2740. if (!text)
  2741. return -ENOMEM;
  2742. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  2743. rv2p = bnx2_xi_rv2p_proc1;
  2744. rv2p_len = sizeof(bnx2_xi_rv2p_proc1);
  2745. } else {
  2746. rv2p = bnx2_rv2p_proc1;
  2747. rv2p_len = sizeof(bnx2_rv2p_proc1);
  2748. }
  2749. rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
  2750. if (rc < 0)
  2751. goto init_cpu_err;
  2752. load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
  2753. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  2754. rv2p = bnx2_xi_rv2p_proc2;
  2755. rv2p_len = sizeof(bnx2_xi_rv2p_proc2);
  2756. } else {
  2757. rv2p = bnx2_rv2p_proc2;
  2758. rv2p_len = sizeof(bnx2_rv2p_proc2);
  2759. }
  2760. rc = zlib_inflate_blob(text, FW_BUF_SIZE, rv2p, rv2p_len);
  2761. if (rc < 0)
  2762. goto init_cpu_err;
  2763. load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
  2764. /* Initialize the RX Processor. */
  2765. cpu_reg.mode = BNX2_RXP_CPU_MODE;
  2766. cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
  2767. cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
  2768. cpu_reg.state = BNX2_RXP_CPU_STATE;
  2769. cpu_reg.state_value_clear = 0xffffff;
  2770. cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
  2771. cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
  2772. cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
  2773. cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
  2774. cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
  2775. cpu_reg.spad_base = BNX2_RXP_SCRATCH;
  2776. cpu_reg.mips_view_base = 0x8000000;
  2777. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2778. fw = &bnx2_rxp_fw_09;
  2779. else
  2780. fw = &bnx2_rxp_fw_06;
  2781. fw->text = text;
  2782. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2783. if (rc)
  2784. goto init_cpu_err;
  2785. /* Initialize the TX Processor. */
  2786. cpu_reg.mode = BNX2_TXP_CPU_MODE;
  2787. cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
  2788. cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
  2789. cpu_reg.state = BNX2_TXP_CPU_STATE;
  2790. cpu_reg.state_value_clear = 0xffffff;
  2791. cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
  2792. cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
  2793. cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
  2794. cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
  2795. cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
  2796. cpu_reg.spad_base = BNX2_TXP_SCRATCH;
  2797. cpu_reg.mips_view_base = 0x8000000;
  2798. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2799. fw = &bnx2_txp_fw_09;
  2800. else
  2801. fw = &bnx2_txp_fw_06;
  2802. fw->text = text;
  2803. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2804. if (rc)
  2805. goto init_cpu_err;
  2806. /* Initialize the TX Patch-up Processor. */
  2807. cpu_reg.mode = BNX2_TPAT_CPU_MODE;
  2808. cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
  2809. cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
  2810. cpu_reg.state = BNX2_TPAT_CPU_STATE;
  2811. cpu_reg.state_value_clear = 0xffffff;
  2812. cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
  2813. cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
  2814. cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
  2815. cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
  2816. cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
  2817. cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
  2818. cpu_reg.mips_view_base = 0x8000000;
  2819. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2820. fw = &bnx2_tpat_fw_09;
  2821. else
  2822. fw = &bnx2_tpat_fw_06;
  2823. fw->text = text;
  2824. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2825. if (rc)
  2826. goto init_cpu_err;
  2827. /* Initialize the Completion Processor. */
  2828. cpu_reg.mode = BNX2_COM_CPU_MODE;
  2829. cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
  2830. cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
  2831. cpu_reg.state = BNX2_COM_CPU_STATE;
  2832. cpu_reg.state_value_clear = 0xffffff;
  2833. cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
  2834. cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
  2835. cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
  2836. cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
  2837. cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
  2838. cpu_reg.spad_base = BNX2_COM_SCRATCH;
  2839. cpu_reg.mips_view_base = 0x8000000;
  2840. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2841. fw = &bnx2_com_fw_09;
  2842. else
  2843. fw = &bnx2_com_fw_06;
  2844. fw->text = text;
  2845. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2846. if (rc)
  2847. goto init_cpu_err;
  2848. /* Initialize the Command Processor. */
  2849. cpu_reg.mode = BNX2_CP_CPU_MODE;
  2850. cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT;
  2851. cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA;
  2852. cpu_reg.state = BNX2_CP_CPU_STATE;
  2853. cpu_reg.state_value_clear = 0xffffff;
  2854. cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE;
  2855. cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK;
  2856. cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER;
  2857. cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION;
  2858. cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT;
  2859. cpu_reg.spad_base = BNX2_CP_SCRATCH;
  2860. cpu_reg.mips_view_base = 0x8000000;
  2861. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  2862. fw = &bnx2_cp_fw_09;
  2863. else
  2864. fw = &bnx2_cp_fw_06;
  2865. fw->text = text;
  2866. rc = load_cpu_fw(bp, &cpu_reg, fw);
  2867. init_cpu_err:
  2868. vfree(text);
  2869. return rc;
  2870. }
  2871. static int
  2872. bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
  2873. {
  2874. u16 pmcsr;
  2875. pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
  2876. switch (state) {
  2877. case PCI_D0: {
  2878. u32 val;
  2879. pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
  2880. (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
  2881. PCI_PM_CTRL_PME_STATUS);
  2882. if (pmcsr & PCI_PM_CTRL_STATE_MASK)
  2883. /* delay required during transition out of D3hot */
  2884. msleep(20);
  2885. val = REG_RD(bp, BNX2_EMAC_MODE);
  2886. val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
  2887. val &= ~BNX2_EMAC_MODE_MPKT;
  2888. REG_WR(bp, BNX2_EMAC_MODE, val);
  2889. val = REG_RD(bp, BNX2_RPM_CONFIG);
  2890. val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
  2891. REG_WR(bp, BNX2_RPM_CONFIG, val);
  2892. break;
  2893. }
  2894. case PCI_D3hot: {
  2895. int i;
  2896. u32 val, wol_msg;
  2897. if (bp->wol) {
  2898. u32 advertising;
  2899. u8 autoneg;
  2900. autoneg = bp->autoneg;
  2901. advertising = bp->advertising;
  2902. if (bp->phy_port == PORT_TP) {
  2903. bp->autoneg = AUTONEG_SPEED;
  2904. bp->advertising = ADVERTISED_10baseT_Half |
  2905. ADVERTISED_10baseT_Full |
  2906. ADVERTISED_100baseT_Half |
  2907. ADVERTISED_100baseT_Full |
  2908. ADVERTISED_Autoneg;
  2909. }
  2910. spin_lock_bh(&bp->phy_lock);
  2911. bnx2_setup_phy(bp, bp->phy_port);
  2912. spin_unlock_bh(&bp->phy_lock);
  2913. bp->autoneg = autoneg;
  2914. bp->advertising = advertising;
  2915. bnx2_set_mac_addr(bp);
  2916. val = REG_RD(bp, BNX2_EMAC_MODE);
  2917. /* Enable port mode. */
  2918. val &= ~BNX2_EMAC_MODE_PORT;
  2919. val |= BNX2_EMAC_MODE_MPKT_RCVD |
  2920. BNX2_EMAC_MODE_ACPI_RCVD |
  2921. BNX2_EMAC_MODE_MPKT;
  2922. if (bp->phy_port == PORT_TP)
  2923. val |= BNX2_EMAC_MODE_PORT_MII;
  2924. else {
  2925. val |= BNX2_EMAC_MODE_PORT_GMII;
  2926. if (bp->line_speed == SPEED_2500)
  2927. val |= BNX2_EMAC_MODE_25G_MODE;
  2928. }
  2929. REG_WR(bp, BNX2_EMAC_MODE, val);
  2930. /* receive all multicast */
  2931. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  2932. REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  2933. 0xffffffff);
  2934. }
  2935. REG_WR(bp, BNX2_EMAC_RX_MODE,
  2936. BNX2_EMAC_RX_MODE_SORT_MODE);
  2937. val = 1 | BNX2_RPM_SORT_USER0_BC_EN |
  2938. BNX2_RPM_SORT_USER0_MC_EN;
  2939. REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
  2940. REG_WR(bp, BNX2_RPM_SORT_USER0, val);
  2941. REG_WR(bp, BNX2_RPM_SORT_USER0, val |
  2942. BNX2_RPM_SORT_USER0_ENA);
  2943. /* Need to enable EMAC and RPM for WOL. */
  2944. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  2945. BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
  2946. BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
  2947. BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
  2948. val = REG_RD(bp, BNX2_RPM_CONFIG);
  2949. val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
  2950. REG_WR(bp, BNX2_RPM_CONFIG, val);
  2951. wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  2952. }
  2953. else {
  2954. wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  2955. }
  2956. if (!(bp->flags & BNX2_FLAG_NO_WOL))
  2957. bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 0);
  2958. pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
  2959. if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
  2960. (CHIP_ID(bp) == CHIP_ID_5706_A1)) {
  2961. if (bp->wol)
  2962. pmcsr |= 3;
  2963. }
  2964. else {
  2965. pmcsr |= 3;
  2966. }
  2967. if (bp->wol) {
  2968. pmcsr |= PCI_PM_CTRL_PME_ENABLE;
  2969. }
  2970. pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
  2971. pmcsr);
  2972. /* No more memory access after this point until
  2973. * device is brought back to D0.
  2974. */
  2975. udelay(50);
  2976. break;
  2977. }
  2978. default:
  2979. return -EINVAL;
  2980. }
  2981. return 0;
  2982. }
  2983. static int
  2984. bnx2_acquire_nvram_lock(struct bnx2 *bp)
  2985. {
  2986. u32 val;
  2987. int j;
  2988. /* Request access to the flash interface. */
  2989. REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
  2990. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  2991. val = REG_RD(bp, BNX2_NVM_SW_ARB);
  2992. if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
  2993. break;
  2994. udelay(5);
  2995. }
  2996. if (j >= NVRAM_TIMEOUT_COUNT)
  2997. return -EBUSY;
  2998. return 0;
  2999. }
  3000. static int
  3001. bnx2_release_nvram_lock(struct bnx2 *bp)
  3002. {
  3003. int j;
  3004. u32 val;
  3005. /* Relinquish nvram interface. */
  3006. REG_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
  3007. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3008. val = REG_RD(bp, BNX2_NVM_SW_ARB);
  3009. if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
  3010. break;
  3011. udelay(5);
  3012. }
  3013. if (j >= NVRAM_TIMEOUT_COUNT)
  3014. return -EBUSY;
  3015. return 0;
  3016. }
  3017. static int
  3018. bnx2_enable_nvram_write(struct bnx2 *bp)
  3019. {
  3020. u32 val;
  3021. val = REG_RD(bp, BNX2_MISC_CFG);
  3022. REG_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
  3023. if (bp->flash_info->flags & BNX2_NV_WREN) {
  3024. int j;
  3025. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3026. REG_WR(bp, BNX2_NVM_COMMAND,
  3027. BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
  3028. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3029. udelay(5);
  3030. val = REG_RD(bp, BNX2_NVM_COMMAND);
  3031. if (val & BNX2_NVM_COMMAND_DONE)
  3032. break;
  3033. }
  3034. if (j >= NVRAM_TIMEOUT_COUNT)
  3035. return -EBUSY;
  3036. }
  3037. return 0;
  3038. }
  3039. static void
  3040. bnx2_disable_nvram_write(struct bnx2 *bp)
  3041. {
  3042. u32 val;
  3043. val = REG_RD(bp, BNX2_MISC_CFG);
  3044. REG_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
  3045. }
  3046. static void
  3047. bnx2_enable_nvram_access(struct bnx2 *bp)
  3048. {
  3049. u32 val;
  3050. val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
  3051. /* Enable both bits, even on read. */
  3052. REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
  3053. val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
  3054. }
  3055. static void
  3056. bnx2_disable_nvram_access(struct bnx2 *bp)
  3057. {
  3058. u32 val;
  3059. val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
  3060. /* Disable both bits, even after read. */
  3061. REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
  3062. val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
  3063. BNX2_NVM_ACCESS_ENABLE_WR_EN));
  3064. }
  3065. static int
  3066. bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
  3067. {
  3068. u32 cmd;
  3069. int j;
  3070. if (bp->flash_info->flags & BNX2_NV_BUFFERED)
  3071. /* Buffered flash, no erase needed */
  3072. return 0;
  3073. /* Build an erase command */
  3074. cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
  3075. BNX2_NVM_COMMAND_DOIT;
  3076. /* Need to clear DONE bit separately. */
  3077. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3078. /* Address of the NVRAM to read from. */
  3079. REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  3080. /* Issue an erase command. */
  3081. REG_WR(bp, BNX2_NVM_COMMAND, cmd);
  3082. /* Wait for completion. */
  3083. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3084. u32 val;
  3085. udelay(5);
  3086. val = REG_RD(bp, BNX2_NVM_COMMAND);
  3087. if (val & BNX2_NVM_COMMAND_DONE)
  3088. break;
  3089. }
  3090. if (j >= NVRAM_TIMEOUT_COUNT)
  3091. return -EBUSY;
  3092. return 0;
  3093. }
  3094. static int
  3095. bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
  3096. {
  3097. u32 cmd;
  3098. int j;
  3099. /* Build the command word. */
  3100. cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
  3101. /* Calculate an offset of a buffered flash, not needed for 5709. */
  3102. if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
  3103. offset = ((offset / bp->flash_info->page_size) <<
  3104. bp->flash_info->page_bits) +
  3105. (offset % bp->flash_info->page_size);
  3106. }
  3107. /* Need to clear DONE bit separately. */
  3108. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3109. /* Address of the NVRAM to read from. */
  3110. REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  3111. /* Issue a read command. */
  3112. REG_WR(bp, BNX2_NVM_COMMAND, cmd);
  3113. /* Wait for completion. */
  3114. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3115. u32 val;
  3116. udelay(5);
  3117. val = REG_RD(bp, BNX2_NVM_COMMAND);
  3118. if (val & BNX2_NVM_COMMAND_DONE) {
  3119. __be32 v = cpu_to_be32(REG_RD(bp, BNX2_NVM_READ));
  3120. memcpy(ret_val, &v, 4);
  3121. break;
  3122. }
  3123. }
  3124. if (j >= NVRAM_TIMEOUT_COUNT)
  3125. return -EBUSY;
  3126. return 0;
  3127. }
  3128. static int
  3129. bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
  3130. {
  3131. u32 cmd;
  3132. __be32 val32;
  3133. int j;
  3134. /* Build the command word. */
  3135. cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
  3136. /* Calculate an offset of a buffered flash, not needed for 5709. */
  3137. if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
  3138. offset = ((offset / bp->flash_info->page_size) <<
  3139. bp->flash_info->page_bits) +
  3140. (offset % bp->flash_info->page_size);
  3141. }
  3142. /* Need to clear DONE bit separately. */
  3143. REG_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3144. memcpy(&val32, val, 4);
  3145. /* Write the data. */
  3146. REG_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
  3147. /* Address of the NVRAM to write to. */
  3148. REG_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  3149. /* Issue the write command. */
  3150. REG_WR(bp, BNX2_NVM_COMMAND, cmd);
  3151. /* Wait for completion. */
  3152. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3153. udelay(5);
  3154. if (REG_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
  3155. break;
  3156. }
  3157. if (j >= NVRAM_TIMEOUT_COUNT)
  3158. return -EBUSY;
  3159. return 0;
  3160. }
  3161. static int
  3162. bnx2_init_nvram(struct bnx2 *bp)
  3163. {
  3164. u32 val;
  3165. int j, entry_count, rc = 0;
  3166. struct flash_spec *flash;
  3167. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3168. bp->flash_info = &flash_5709;
  3169. goto get_flash_size;
  3170. }
  3171. /* Determine the selected interface. */
  3172. val = REG_RD(bp, BNX2_NVM_CFG1);
  3173. entry_count = ARRAY_SIZE(flash_table);
  3174. if (val & 0x40000000) {
  3175. /* Flash interface has been reconfigured */
  3176. for (j = 0, flash = &flash_table[0]; j < entry_count;
  3177. j++, flash++) {
  3178. if ((val & FLASH_BACKUP_STRAP_MASK) ==
  3179. (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
  3180. bp->flash_info = flash;
  3181. break;
  3182. }
  3183. }
  3184. }
  3185. else {
  3186. u32 mask;
  3187. /* Not yet been reconfigured */
  3188. if (val & (1 << 23))
  3189. mask = FLASH_BACKUP_STRAP_MASK;
  3190. else
  3191. mask = FLASH_STRAP_MASK;
  3192. for (j = 0, flash = &flash_table[0]; j < entry_count;
  3193. j++, flash++) {
  3194. if ((val & mask) == (flash->strapping & mask)) {
  3195. bp->flash_info = flash;
  3196. /* Request access to the flash interface. */
  3197. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3198. return rc;
  3199. /* Enable access to flash interface */
  3200. bnx2_enable_nvram_access(bp);
  3201. /* Reconfigure the flash interface */
  3202. REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
  3203. REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
  3204. REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
  3205. REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
  3206. /* Disable access to flash interface */
  3207. bnx2_disable_nvram_access(bp);
  3208. bnx2_release_nvram_lock(bp);
  3209. break;
  3210. }
  3211. }
  3212. } /* if (val & 0x40000000) */
  3213. if (j == entry_count) {
  3214. bp->flash_info = NULL;
  3215. printk(KERN_ALERT PFX "Unknown flash/EEPROM type.\n");
  3216. return -ENODEV;
  3217. }
  3218. get_flash_size:
  3219. val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
  3220. val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
  3221. if (val)
  3222. bp->flash_size = val;
  3223. else
  3224. bp->flash_size = bp->flash_info->total_size;
  3225. return rc;
  3226. }
  3227. static int
  3228. bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
  3229. int buf_size)
  3230. {
  3231. int rc = 0;
  3232. u32 cmd_flags, offset32, len32, extra;
  3233. if (buf_size == 0)
  3234. return 0;
  3235. /* Request access to the flash interface. */
  3236. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3237. return rc;
  3238. /* Enable access to flash interface */
  3239. bnx2_enable_nvram_access(bp);
  3240. len32 = buf_size;
  3241. offset32 = offset;
  3242. extra = 0;
  3243. cmd_flags = 0;
  3244. if (offset32 & 3) {
  3245. u8 buf[4];
  3246. u32 pre_len;
  3247. offset32 &= ~3;
  3248. pre_len = 4 - (offset & 3);
  3249. if (pre_len >= len32) {
  3250. pre_len = len32;
  3251. cmd_flags = BNX2_NVM_COMMAND_FIRST |
  3252. BNX2_NVM_COMMAND_LAST;
  3253. }
  3254. else {
  3255. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3256. }
  3257. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3258. if (rc)
  3259. return rc;
  3260. memcpy(ret_buf, buf + (offset & 3), pre_len);
  3261. offset32 += 4;
  3262. ret_buf += pre_len;
  3263. len32 -= pre_len;
  3264. }
  3265. if (len32 & 3) {
  3266. extra = 4 - (len32 & 3);
  3267. len32 = (len32 + 4) & ~3;
  3268. }
  3269. if (len32 == 4) {
  3270. u8 buf[4];
  3271. if (cmd_flags)
  3272. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3273. else
  3274. cmd_flags = BNX2_NVM_COMMAND_FIRST |
  3275. BNX2_NVM_COMMAND_LAST;
  3276. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3277. memcpy(ret_buf, buf, 4 - extra);
  3278. }
  3279. else if (len32 > 0) {
  3280. u8 buf[4];
  3281. /* Read the first word. */
  3282. if (cmd_flags)
  3283. cmd_flags = 0;
  3284. else
  3285. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3286. rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
  3287. /* Advance to the next dword. */
  3288. offset32 += 4;
  3289. ret_buf += 4;
  3290. len32 -= 4;
  3291. while (len32 > 4 && rc == 0) {
  3292. rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
  3293. /* Advance to the next dword. */
  3294. offset32 += 4;
  3295. ret_buf += 4;
  3296. len32 -= 4;
  3297. }
  3298. if (rc)
  3299. return rc;
  3300. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3301. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3302. memcpy(ret_buf, buf, 4 - extra);
  3303. }
  3304. /* Disable access to flash interface */
  3305. bnx2_disable_nvram_access(bp);
  3306. bnx2_release_nvram_lock(bp);
  3307. return rc;
  3308. }
  3309. static int
  3310. bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
  3311. int buf_size)
  3312. {
  3313. u32 written, offset32, len32;
  3314. u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
  3315. int rc = 0;
  3316. int align_start, align_end;
  3317. buf = data_buf;
  3318. offset32 = offset;
  3319. len32 = buf_size;
  3320. align_start = align_end = 0;
  3321. if ((align_start = (offset32 & 3))) {
  3322. offset32 &= ~3;
  3323. len32 += align_start;
  3324. if (len32 < 4)
  3325. len32 = 4;
  3326. if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
  3327. return rc;
  3328. }
  3329. if (len32 & 3) {
  3330. align_end = 4 - (len32 & 3);
  3331. len32 += align_end;
  3332. if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
  3333. return rc;
  3334. }
  3335. if (align_start || align_end) {
  3336. align_buf = kmalloc(len32, GFP_KERNEL);
  3337. if (align_buf == NULL)
  3338. return -ENOMEM;
  3339. if (align_start) {
  3340. memcpy(align_buf, start, 4);
  3341. }
  3342. if (align_end) {
  3343. memcpy(align_buf + len32 - 4, end, 4);
  3344. }
  3345. memcpy(align_buf + align_start, data_buf, buf_size);
  3346. buf = align_buf;
  3347. }
  3348. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3349. flash_buffer = kmalloc(264, GFP_KERNEL);
  3350. if (flash_buffer == NULL) {
  3351. rc = -ENOMEM;
  3352. goto nvram_write_end;
  3353. }
  3354. }
  3355. written = 0;
  3356. while ((written < len32) && (rc == 0)) {
  3357. u32 page_start, page_end, data_start, data_end;
  3358. u32 addr, cmd_flags;
  3359. int i;
  3360. /* Find the page_start addr */
  3361. page_start = offset32 + written;
  3362. page_start -= (page_start % bp->flash_info->page_size);
  3363. /* Find the page_end addr */
  3364. page_end = page_start + bp->flash_info->page_size;
  3365. /* Find the data_start addr */
  3366. data_start = (written == 0) ? offset32 : page_start;
  3367. /* Find the data_end addr */
  3368. data_end = (page_end > offset32 + len32) ?
  3369. (offset32 + len32) : page_end;
  3370. /* Request access to the flash interface. */
  3371. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3372. goto nvram_write_end;
  3373. /* Enable access to flash interface */
  3374. bnx2_enable_nvram_access(bp);
  3375. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3376. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3377. int j;
  3378. /* Read the whole page into the buffer
  3379. * (non-buffer flash only) */
  3380. for (j = 0; j < bp->flash_info->page_size; j += 4) {
  3381. if (j == (bp->flash_info->page_size - 4)) {
  3382. cmd_flags |= BNX2_NVM_COMMAND_LAST;
  3383. }
  3384. rc = bnx2_nvram_read_dword(bp,
  3385. page_start + j,
  3386. &flash_buffer[j],
  3387. cmd_flags);
  3388. if (rc)
  3389. goto nvram_write_end;
  3390. cmd_flags = 0;
  3391. }
  3392. }
  3393. /* Enable writes to flash interface (unlock write-protect) */
  3394. if ((rc = bnx2_enable_nvram_write(bp)) != 0)
  3395. goto nvram_write_end;
  3396. /* Loop to write back the buffer data from page_start to
  3397. * data_start */
  3398. i = 0;
  3399. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3400. /* Erase the page */
  3401. if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
  3402. goto nvram_write_end;
  3403. /* Re-enable the write again for the actual write */
  3404. bnx2_enable_nvram_write(bp);
  3405. for (addr = page_start; addr < data_start;
  3406. addr += 4, i += 4) {
  3407. rc = bnx2_nvram_write_dword(bp, addr,
  3408. &flash_buffer[i], cmd_flags);
  3409. if (rc != 0)
  3410. goto nvram_write_end;
  3411. cmd_flags = 0;
  3412. }
  3413. }
  3414. /* Loop to write the new data from data_start to data_end */
  3415. for (addr = data_start; addr < data_end; addr += 4, i += 4) {
  3416. if ((addr == page_end - 4) ||
  3417. ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
  3418. (addr == data_end - 4))) {
  3419. cmd_flags |= BNX2_NVM_COMMAND_LAST;
  3420. }
  3421. rc = bnx2_nvram_write_dword(bp, addr, buf,
  3422. cmd_flags);
  3423. if (rc != 0)
  3424. goto nvram_write_end;
  3425. cmd_flags = 0;
  3426. buf += 4;
  3427. }
  3428. /* Loop to write back the buffer data from data_end
  3429. * to page_end */
  3430. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3431. for (addr = data_end; addr < page_end;
  3432. addr += 4, i += 4) {
  3433. if (addr == page_end-4) {
  3434. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3435. }
  3436. rc = bnx2_nvram_write_dword(bp, addr,
  3437. &flash_buffer[i], cmd_flags);
  3438. if (rc != 0)
  3439. goto nvram_write_end;
  3440. cmd_flags = 0;
  3441. }
  3442. }
  3443. /* Disable writes to flash interface (lock write-protect) */
  3444. bnx2_disable_nvram_write(bp);
  3445. /* Disable access to flash interface */
  3446. bnx2_disable_nvram_access(bp);
  3447. bnx2_release_nvram_lock(bp);
  3448. /* Increment written */
  3449. written += data_end - data_start;
  3450. }
  3451. nvram_write_end:
  3452. kfree(flash_buffer);
  3453. kfree(align_buf);
  3454. return rc;
  3455. }
  3456. static void
  3457. bnx2_init_remote_phy(struct bnx2 *bp)
  3458. {
  3459. u32 val;
  3460. bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
  3461. if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES))
  3462. return;
  3463. val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
  3464. if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
  3465. return;
  3466. if (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE) {
  3467. bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
  3468. val = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
  3469. if (val & BNX2_LINK_STATUS_SERDES_LINK)
  3470. bp->phy_port = PORT_FIBRE;
  3471. else
  3472. bp->phy_port = PORT_TP;
  3473. if (netif_running(bp->dev)) {
  3474. u32 sig;
  3475. sig = BNX2_DRV_ACK_CAP_SIGNATURE |
  3476. BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
  3477. bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
  3478. }
  3479. }
  3480. }
  3481. static void
  3482. bnx2_setup_msix_tbl(struct bnx2 *bp)
  3483. {
  3484. REG_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
  3485. REG_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
  3486. REG_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
  3487. }
  3488. static int
  3489. bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
  3490. {
  3491. u32 val;
  3492. int i, rc = 0;
  3493. u8 old_port;
  3494. /* Wait for the current PCI transaction to complete before
  3495. * issuing a reset. */
  3496. REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
  3497. BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
  3498. BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
  3499. BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
  3500. BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
  3501. val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
  3502. udelay(5);
  3503. /* Wait for the firmware to tell us it is ok to issue a reset. */
  3504. bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
  3505. /* Deposit a driver reset signature so the firmware knows that
  3506. * this is a soft reset. */
  3507. bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
  3508. BNX2_DRV_RESET_SIGNATURE_MAGIC);
  3509. /* Do a dummy read to force the chip to complete all current transaction
  3510. * before we issue a reset. */
  3511. val = REG_RD(bp, BNX2_MISC_ID);
  3512. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3513. REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
  3514. REG_RD(bp, BNX2_MISC_COMMAND);
  3515. udelay(5);
  3516. val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  3517. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
  3518. pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);
  3519. } else {
  3520. val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3521. BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  3522. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
  3523. /* Chip reset. */
  3524. REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
  3525. /* Reading back any register after chip reset will hang the
  3526. * bus on 5706 A0 and A1. The msleep below provides plenty
  3527. * of margin for write posting.
  3528. */
  3529. if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
  3530. (CHIP_ID(bp) == CHIP_ID_5706_A1))
  3531. msleep(20);
  3532. /* Reset takes approximate 30 usec */
  3533. for (i = 0; i < 10; i++) {
  3534. val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
  3535. if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3536. BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
  3537. break;
  3538. udelay(10);
  3539. }
  3540. if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3541. BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
  3542. printk(KERN_ERR PFX "Chip reset did not complete\n");
  3543. return -EBUSY;
  3544. }
  3545. }
  3546. /* Make sure byte swapping is properly configured. */
  3547. val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
  3548. if (val != 0x01020304) {
  3549. printk(KERN_ERR PFX "Chip not in correct endian mode\n");
  3550. return -ENODEV;
  3551. }
  3552. /* Wait for the firmware to finish its initialization. */
  3553. rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
  3554. if (rc)
  3555. return rc;
  3556. spin_lock_bh(&bp->phy_lock);
  3557. old_port = bp->phy_port;
  3558. bnx2_init_remote_phy(bp);
  3559. if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
  3560. old_port != bp->phy_port)
  3561. bnx2_set_default_remote_link(bp);
  3562. spin_unlock_bh(&bp->phy_lock);
  3563. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  3564. /* Adjust the voltage regular to two steps lower. The default
  3565. * of this register is 0x0000000e. */
  3566. REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
  3567. /* Remove bad rbuf memory from the free pool. */
  3568. rc = bnx2_alloc_bad_rbuf(bp);
  3569. }
  3570. if (bp->flags & BNX2_FLAG_USING_MSIX)
  3571. bnx2_setup_msix_tbl(bp);
  3572. return rc;
  3573. }
  3574. static int
  3575. bnx2_init_chip(struct bnx2 *bp)
  3576. {
  3577. u32 val;
  3578. int rc, i;
  3579. /* Make sure the interrupt is not active. */
  3580. REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  3581. val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
  3582. BNX2_DMA_CONFIG_DATA_WORD_SWAP |
  3583. #ifdef __BIG_ENDIAN
  3584. BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
  3585. #endif
  3586. BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
  3587. DMA_READ_CHANS << 12 |
  3588. DMA_WRITE_CHANS << 16;
  3589. val |= (0x2 << 20) | (1 << 11);
  3590. if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
  3591. val |= (1 << 23);
  3592. if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
  3593. (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & BNX2_FLAG_PCIX))
  3594. val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
  3595. REG_WR(bp, BNX2_DMA_CONFIG, val);
  3596. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  3597. val = REG_RD(bp, BNX2_TDMA_CONFIG);
  3598. val |= BNX2_TDMA_CONFIG_ONE_DMA;
  3599. REG_WR(bp, BNX2_TDMA_CONFIG, val);
  3600. }
  3601. if (bp->flags & BNX2_FLAG_PCIX) {
  3602. u16 val16;
  3603. pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
  3604. &val16);
  3605. pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
  3606. val16 & ~PCI_X_CMD_ERO);
  3607. }
  3608. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  3609. BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
  3610. BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
  3611. BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
  3612. /* Initialize context mapping and zero out the quick contexts. The
  3613. * context block must have already been enabled. */
  3614. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3615. rc = bnx2_init_5709_context(bp);
  3616. if (rc)
  3617. return rc;
  3618. } else
  3619. bnx2_init_context(bp);
  3620. if ((rc = bnx2_init_cpus(bp)) != 0)
  3621. return rc;
  3622. bnx2_init_nvram(bp);
  3623. bnx2_set_mac_addr(bp);
  3624. val = REG_RD(bp, BNX2_MQ_CONFIG);
  3625. val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
  3626. val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
  3627. if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1)
  3628. val |= BNX2_MQ_CONFIG_HALT_DIS;
  3629. REG_WR(bp, BNX2_MQ_CONFIG, val);
  3630. val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
  3631. REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
  3632. REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
  3633. val = (BCM_PAGE_BITS - 8) << 24;
  3634. REG_WR(bp, BNX2_RV2P_CONFIG, val);
  3635. /* Configure page size. */
  3636. val = REG_RD(bp, BNX2_TBDR_CONFIG);
  3637. val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
  3638. val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
  3639. REG_WR(bp, BNX2_TBDR_CONFIG, val);
  3640. val = bp->mac_addr[0] +
  3641. (bp->mac_addr[1] << 8) +
  3642. (bp->mac_addr[2] << 16) +
  3643. bp->mac_addr[3] +
  3644. (bp->mac_addr[4] << 8) +
  3645. (bp->mac_addr[5] << 16);
  3646. REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
  3647. /* Program the MTU. Also include 4 bytes for CRC32. */
  3648. val = bp->dev->mtu + ETH_HLEN + 4;
  3649. if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
  3650. val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
  3651. REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
  3652. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
  3653. bp->bnx2_napi[i].last_status_idx = 0;
  3654. bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
  3655. /* Set up how to generate a link change interrupt. */
  3656. REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
  3657. REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
  3658. (u64) bp->status_blk_mapping & 0xffffffff);
  3659. REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
  3660. REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
  3661. (u64) bp->stats_blk_mapping & 0xffffffff);
  3662. REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
  3663. (u64) bp->stats_blk_mapping >> 32);
  3664. REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
  3665. (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
  3666. REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
  3667. (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
  3668. REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
  3669. (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
  3670. REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
  3671. REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
  3672. REG_WR(bp, BNX2_HC_COM_TICKS,
  3673. (bp->com_ticks_int << 16) | bp->com_ticks);
  3674. REG_WR(bp, BNX2_HC_CMD_TICKS,
  3675. (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
  3676. if (CHIP_NUM(bp) == CHIP_NUM_5708)
  3677. REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
  3678. else
  3679. REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
  3680. REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
  3681. if (CHIP_ID(bp) == CHIP_ID_5706_A1)
  3682. val = BNX2_HC_CONFIG_COLLECT_STATS;
  3683. else {
  3684. val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
  3685. BNX2_HC_CONFIG_COLLECT_STATS;
  3686. }
  3687. if (bp->flags & BNX2_FLAG_USING_MSIX) {
  3688. u32 base = ((BNX2_TX_VEC - 1) * BNX2_HC_SB_CONFIG_SIZE) +
  3689. BNX2_HC_SB_CONFIG_1;
  3690. REG_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
  3691. BNX2_HC_MSIX_BIT_VECTOR_VAL);
  3692. REG_WR(bp, base,
  3693. BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
  3694. BNX2_HC_SB_CONFIG_1_ONE_SHOT);
  3695. REG_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
  3696. (bp->tx_quick_cons_trip_int << 16) |
  3697. bp->tx_quick_cons_trip);
  3698. REG_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
  3699. (bp->tx_ticks_int << 16) | bp->tx_ticks);
  3700. val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
  3701. }
  3702. if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
  3703. val |= BNX2_HC_CONFIG_ONE_SHOT;
  3704. REG_WR(bp, BNX2_HC_CONFIG, val);
  3705. /* Clear internal stats counters. */
  3706. REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
  3707. REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
  3708. /* Initialize the receive filter. */
  3709. bnx2_set_rx_mode(bp->dev);
  3710. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3711. val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
  3712. val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
  3713. REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
  3714. }
  3715. rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
  3716. 0);
  3717. REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
  3718. REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
  3719. udelay(20);
  3720. bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
  3721. return rc;
  3722. }
  3723. static void
  3724. bnx2_clear_ring_states(struct bnx2 *bp)
  3725. {
  3726. struct bnx2_napi *bnapi;
  3727. int i;
  3728. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
  3729. bnapi = &bp->bnx2_napi[i];
  3730. bnapi->tx_cons = 0;
  3731. bnapi->hw_tx_cons = 0;
  3732. bnapi->rx_prod_bseq = 0;
  3733. bnapi->rx_prod = 0;
  3734. bnapi->rx_cons = 0;
  3735. bnapi->rx_pg_prod = 0;
  3736. bnapi->rx_pg_cons = 0;
  3737. }
  3738. }
  3739. static void
  3740. bnx2_init_tx_context(struct bnx2 *bp, u32 cid)
  3741. {
  3742. u32 val, offset0, offset1, offset2, offset3;
  3743. u32 cid_addr = GET_CID_ADDR(cid);
  3744. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3745. offset0 = BNX2_L2CTX_TYPE_XI;
  3746. offset1 = BNX2_L2CTX_CMD_TYPE_XI;
  3747. offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
  3748. offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
  3749. } else {
  3750. offset0 = BNX2_L2CTX_TYPE;
  3751. offset1 = BNX2_L2CTX_CMD_TYPE;
  3752. offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
  3753. offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
  3754. }
  3755. val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
  3756. bnx2_ctx_wr(bp, cid_addr, offset0, val);
  3757. val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
  3758. bnx2_ctx_wr(bp, cid_addr, offset1, val);
  3759. val = (u64) bp->tx_desc_mapping >> 32;
  3760. bnx2_ctx_wr(bp, cid_addr, offset2, val);
  3761. val = (u64) bp->tx_desc_mapping & 0xffffffff;
  3762. bnx2_ctx_wr(bp, cid_addr, offset3, val);
  3763. }
  3764. static void
  3765. bnx2_init_tx_ring(struct bnx2 *bp)
  3766. {
  3767. struct tx_bd *txbd;
  3768. u32 cid = TX_CID;
  3769. struct bnx2_napi *bnapi;
  3770. bp->tx_vec = 0;
  3771. if (bp->flags & BNX2_FLAG_USING_MSIX) {
  3772. cid = TX_TSS_CID;
  3773. bp->tx_vec = BNX2_TX_VEC;
  3774. REG_WR(bp, BNX2_TSCH_TSS_CFG, BNX2_TX_INT_NUM |
  3775. (TX_TSS_CID << 7));
  3776. }
  3777. bnapi = &bp->bnx2_napi[bp->tx_vec];
  3778. bp->tx_wake_thresh = bp->tx_ring_size / 2;
  3779. txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
  3780. txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
  3781. txbd->tx_bd_haddr_lo = (u64) bp->tx_desc_mapping & 0xffffffff;
  3782. bp->tx_prod = 0;
  3783. bp->tx_prod_bseq = 0;
  3784. bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
  3785. bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
  3786. bnx2_init_tx_context(bp, cid);
  3787. }
  3788. static void
  3789. bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size,
  3790. int num_rings)
  3791. {
  3792. int i;
  3793. struct rx_bd *rxbd;
  3794. for (i = 0; i < num_rings; i++) {
  3795. int j;
  3796. rxbd = &rx_ring[i][0];
  3797. for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) {
  3798. rxbd->rx_bd_len = buf_size;
  3799. rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
  3800. }
  3801. if (i == (num_rings - 1))
  3802. j = 0;
  3803. else
  3804. j = i + 1;
  3805. rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
  3806. rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
  3807. }
  3808. }
  3809. static void
  3810. bnx2_init_rx_ring(struct bnx2 *bp)
  3811. {
  3812. int i;
  3813. u16 prod, ring_prod;
  3814. u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID);
  3815. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  3816. bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping,
  3817. bp->rx_buf_use_size, bp->rx_max_ring);
  3818. bnx2_init_rx_context0(bp);
  3819. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  3820. val = REG_RD(bp, BNX2_MQ_MAP_L2_5);
  3821. REG_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
  3822. }
  3823. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
  3824. if (bp->rx_pg_ring_size) {
  3825. bnx2_init_rxbd_rings(bp->rx_pg_desc_ring,
  3826. bp->rx_pg_desc_mapping,
  3827. PAGE_SIZE, bp->rx_max_pg_ring);
  3828. val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
  3829. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
  3830. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
  3831. BNX2_L2CTX_RBDC_JUMBO_KEY);
  3832. val = (u64) bp->rx_pg_desc_mapping[0] >> 32;
  3833. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
  3834. val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff;
  3835. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
  3836. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  3837. REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
  3838. }
  3839. val = (u64) bp->rx_desc_mapping[0] >> 32;
  3840. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
  3841. val = (u64) bp->rx_desc_mapping[0] & 0xffffffff;
  3842. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
  3843. ring_prod = prod = bnapi->rx_pg_prod;
  3844. for (i = 0; i < bp->rx_pg_ring_size; i++) {
  3845. if (bnx2_alloc_rx_page(bp, ring_prod) < 0)
  3846. break;
  3847. prod = NEXT_RX_BD(prod);
  3848. ring_prod = RX_PG_RING_IDX(prod);
  3849. }
  3850. bnapi->rx_pg_prod = prod;
  3851. ring_prod = prod = bnapi->rx_prod;
  3852. for (i = 0; i < bp->rx_ring_size; i++) {
  3853. if (bnx2_alloc_rx_skb(bp, bnapi, ring_prod) < 0) {
  3854. break;
  3855. }
  3856. prod = NEXT_RX_BD(prod);
  3857. ring_prod = RX_RING_IDX(prod);
  3858. }
  3859. bnapi->rx_prod = prod;
  3860. REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX,
  3861. bnapi->rx_pg_prod);
  3862. REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod);
  3863. REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bnapi->rx_prod_bseq);
  3864. }
  3865. static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
  3866. {
  3867. u32 max, num_rings = 1;
  3868. while (ring_size > MAX_RX_DESC_CNT) {
  3869. ring_size -= MAX_RX_DESC_CNT;
  3870. num_rings++;
  3871. }
  3872. /* round to next power of 2 */
  3873. max = max_size;
  3874. while ((max & num_rings) == 0)
  3875. max >>= 1;
  3876. if (num_rings != max)
  3877. max <<= 1;
  3878. return max;
  3879. }
  3880. static void
  3881. bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
  3882. {
  3883. u32 rx_size, rx_space, jumbo_size;
  3884. /* 8 for CRC and VLAN */
  3885. rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
  3886. rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
  3887. sizeof(struct skb_shared_info);
  3888. bp->rx_copy_thresh = RX_COPY_THRESH;
  3889. bp->rx_pg_ring_size = 0;
  3890. bp->rx_max_pg_ring = 0;
  3891. bp->rx_max_pg_ring_idx = 0;
  3892. if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
  3893. int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
  3894. jumbo_size = size * pages;
  3895. if (jumbo_size > MAX_TOTAL_RX_PG_DESC_CNT)
  3896. jumbo_size = MAX_TOTAL_RX_PG_DESC_CNT;
  3897. bp->rx_pg_ring_size = jumbo_size;
  3898. bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
  3899. MAX_RX_PG_RINGS);
  3900. bp->rx_max_pg_ring_idx = (bp->rx_max_pg_ring * RX_DESC_CNT) - 1;
  3901. rx_size = RX_COPY_THRESH + bp->rx_offset;
  3902. bp->rx_copy_thresh = 0;
  3903. }
  3904. bp->rx_buf_use_size = rx_size;
  3905. /* hw alignment */
  3906. bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN;
  3907. bp->rx_jumbo_thresh = rx_size - bp->rx_offset;
  3908. bp->rx_ring_size = size;
  3909. bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS);
  3910. bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1;
  3911. }
  3912. static void
  3913. bnx2_free_tx_skbs(struct bnx2 *bp)
  3914. {
  3915. int i;
  3916. if (bp->tx_buf_ring == NULL)
  3917. return;
  3918. for (i = 0; i < TX_DESC_CNT; ) {
  3919. struct sw_bd *tx_buf = &bp->tx_buf_ring[i];
  3920. struct sk_buff *skb = tx_buf->skb;
  3921. int j, last;
  3922. if (skb == NULL) {
  3923. i++;
  3924. continue;
  3925. }
  3926. pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
  3927. skb_headlen(skb), PCI_DMA_TODEVICE);
  3928. tx_buf->skb = NULL;
  3929. last = skb_shinfo(skb)->nr_frags;
  3930. for (j = 0; j < last; j++) {
  3931. tx_buf = &bp->tx_buf_ring[i + j + 1];
  3932. pci_unmap_page(bp->pdev,
  3933. pci_unmap_addr(tx_buf, mapping),
  3934. skb_shinfo(skb)->frags[j].size,
  3935. PCI_DMA_TODEVICE);
  3936. }
  3937. dev_kfree_skb(skb);
  3938. i += j + 1;
  3939. }
  3940. }
  3941. static void
  3942. bnx2_free_rx_skbs(struct bnx2 *bp)
  3943. {
  3944. int i;
  3945. if (bp->rx_buf_ring == NULL)
  3946. return;
  3947. for (i = 0; i < bp->rx_max_ring_idx; i++) {
  3948. struct sw_bd *rx_buf = &bp->rx_buf_ring[i];
  3949. struct sk_buff *skb = rx_buf->skb;
  3950. if (skb == NULL)
  3951. continue;
  3952. pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
  3953. bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
  3954. rx_buf->skb = NULL;
  3955. dev_kfree_skb(skb);
  3956. }
  3957. for (i = 0; i < bp->rx_max_pg_ring_idx; i++)
  3958. bnx2_free_rx_page(bp, i);
  3959. }
  3960. static void
  3961. bnx2_free_skbs(struct bnx2 *bp)
  3962. {
  3963. bnx2_free_tx_skbs(bp);
  3964. bnx2_free_rx_skbs(bp);
  3965. }
  3966. static int
  3967. bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
  3968. {
  3969. int rc;
  3970. rc = bnx2_reset_chip(bp, reset_code);
  3971. bnx2_free_skbs(bp);
  3972. if (rc)
  3973. return rc;
  3974. if ((rc = bnx2_init_chip(bp)) != 0)
  3975. return rc;
  3976. bnx2_clear_ring_states(bp);
  3977. bnx2_init_tx_ring(bp);
  3978. bnx2_init_rx_ring(bp);
  3979. return 0;
  3980. }
  3981. static int
  3982. bnx2_init_nic(struct bnx2 *bp)
  3983. {
  3984. int rc;
  3985. if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
  3986. return rc;
  3987. spin_lock_bh(&bp->phy_lock);
  3988. bnx2_init_phy(bp);
  3989. bnx2_set_link(bp);
  3990. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  3991. bnx2_remote_phy_event(bp);
  3992. spin_unlock_bh(&bp->phy_lock);
  3993. return 0;
  3994. }
  3995. static int
  3996. bnx2_test_registers(struct bnx2 *bp)
  3997. {
  3998. int ret;
  3999. int i, is_5709;
  4000. static const struct {
  4001. u16 offset;
  4002. u16 flags;
  4003. #define BNX2_FL_NOT_5709 1
  4004. u32 rw_mask;
  4005. u32 ro_mask;
  4006. } reg_tbl[] = {
  4007. { 0x006c, 0, 0x00000000, 0x0000003f },
  4008. { 0x0090, 0, 0xffffffff, 0x00000000 },
  4009. { 0x0094, 0, 0x00000000, 0x00000000 },
  4010. { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
  4011. { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4012. { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4013. { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
  4014. { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
  4015. { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
  4016. { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
  4017. { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4018. { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4019. { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4020. { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4021. { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4022. { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4023. { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4024. { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4025. { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
  4026. { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
  4027. { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
  4028. { 0x1000, 0, 0x00000000, 0x00000001 },
  4029. { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
  4030. { 0x1408, 0, 0x01c00800, 0x00000000 },
  4031. { 0x149c, 0, 0x8000ffff, 0x00000000 },
  4032. { 0x14a8, 0, 0x00000000, 0x000001ff },
  4033. { 0x14ac, 0, 0x0fffffff, 0x10000000 },
  4034. { 0x14b0, 0, 0x00000002, 0x00000001 },
  4035. { 0x14b8, 0, 0x00000000, 0x00000000 },
  4036. { 0x14c0, 0, 0x00000000, 0x00000009 },
  4037. { 0x14c4, 0, 0x00003fff, 0x00000000 },
  4038. { 0x14cc, 0, 0x00000000, 0x00000001 },
  4039. { 0x14d0, 0, 0xffffffff, 0x00000000 },
  4040. { 0x1800, 0, 0x00000000, 0x00000001 },
  4041. { 0x1804, 0, 0x00000000, 0x00000003 },
  4042. { 0x2800, 0, 0x00000000, 0x00000001 },
  4043. { 0x2804, 0, 0x00000000, 0x00003f01 },
  4044. { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
  4045. { 0x2810, 0, 0xffff0000, 0x00000000 },
  4046. { 0x2814, 0, 0xffff0000, 0x00000000 },
  4047. { 0x2818, 0, 0xffff0000, 0x00000000 },
  4048. { 0x281c, 0, 0xffff0000, 0x00000000 },
  4049. { 0x2834, 0, 0xffffffff, 0x00000000 },
  4050. { 0x2840, 0, 0x00000000, 0xffffffff },
  4051. { 0x2844, 0, 0x00000000, 0xffffffff },
  4052. { 0x2848, 0, 0xffffffff, 0x00000000 },
  4053. { 0x284c, 0, 0xf800f800, 0x07ff07ff },
  4054. { 0x2c00, 0, 0x00000000, 0x00000011 },
  4055. { 0x2c04, 0, 0x00000000, 0x00030007 },
  4056. { 0x3c00, 0, 0x00000000, 0x00000001 },
  4057. { 0x3c04, 0, 0x00000000, 0x00070000 },
  4058. { 0x3c08, 0, 0x00007f71, 0x07f00000 },
  4059. { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
  4060. { 0x3c10, 0, 0xffffffff, 0x00000000 },
  4061. { 0x3c14, 0, 0x00000000, 0xffffffff },
  4062. { 0x3c18, 0, 0x00000000, 0xffffffff },
  4063. { 0x3c1c, 0, 0xfffff000, 0x00000000 },
  4064. { 0x3c20, 0, 0xffffff00, 0x00000000 },
  4065. { 0x5004, 0, 0x00000000, 0x0000007f },
  4066. { 0x5008, 0, 0x0f0007ff, 0x00000000 },
  4067. { 0x5c00, 0, 0x00000000, 0x00000001 },
  4068. { 0x5c04, 0, 0x00000000, 0x0003000f },
  4069. { 0x5c08, 0, 0x00000003, 0x00000000 },
  4070. { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
  4071. { 0x5c10, 0, 0x00000000, 0xffffffff },
  4072. { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
  4073. { 0x5c84, 0, 0x00000000, 0x0000f333 },
  4074. { 0x5c88, 0, 0x00000000, 0x00077373 },
  4075. { 0x5c8c, 0, 0x00000000, 0x0007f737 },
  4076. { 0x6808, 0, 0x0000ff7f, 0x00000000 },
  4077. { 0x680c, 0, 0xffffffff, 0x00000000 },
  4078. { 0x6810, 0, 0xffffffff, 0x00000000 },
  4079. { 0x6814, 0, 0xffffffff, 0x00000000 },
  4080. { 0x6818, 0, 0xffffffff, 0x00000000 },
  4081. { 0x681c, 0, 0xffffffff, 0x00000000 },
  4082. { 0x6820, 0, 0x00ff00ff, 0x00000000 },
  4083. { 0x6824, 0, 0x00ff00ff, 0x00000000 },
  4084. { 0x6828, 0, 0x00ff00ff, 0x00000000 },
  4085. { 0x682c, 0, 0x03ff03ff, 0x00000000 },
  4086. { 0x6830, 0, 0x03ff03ff, 0x00000000 },
  4087. { 0x6834, 0, 0x03ff03ff, 0x00000000 },
  4088. { 0x6838, 0, 0x03ff03ff, 0x00000000 },
  4089. { 0x683c, 0, 0x0000ffff, 0x00000000 },
  4090. { 0x6840, 0, 0x00000ff0, 0x00000000 },
  4091. { 0x6844, 0, 0x00ffff00, 0x00000000 },
  4092. { 0x684c, 0, 0xffffffff, 0x00000000 },
  4093. { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
  4094. { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
  4095. { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
  4096. { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
  4097. { 0x6908, 0, 0x00000000, 0x0001ff0f },
  4098. { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
  4099. { 0xffff, 0, 0x00000000, 0x00000000 },
  4100. };
  4101. ret = 0;
  4102. is_5709 = 0;
  4103. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  4104. is_5709 = 1;
  4105. for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
  4106. u32 offset, rw_mask, ro_mask, save_val, val;
  4107. u16 flags = reg_tbl[i].flags;
  4108. if (is_5709 && (flags & BNX2_FL_NOT_5709))
  4109. continue;
  4110. offset = (u32) reg_tbl[i].offset;
  4111. rw_mask = reg_tbl[i].rw_mask;
  4112. ro_mask = reg_tbl[i].ro_mask;
  4113. save_val = readl(bp->regview + offset);
  4114. writel(0, bp->regview + offset);
  4115. val = readl(bp->regview + offset);
  4116. if ((val & rw_mask) != 0) {
  4117. goto reg_test_err;
  4118. }
  4119. if ((val & ro_mask) != (save_val & ro_mask)) {
  4120. goto reg_test_err;
  4121. }
  4122. writel(0xffffffff, bp->regview + offset);
  4123. val = readl(bp->regview + offset);
  4124. if ((val & rw_mask) != rw_mask) {
  4125. goto reg_test_err;
  4126. }
  4127. if ((val & ro_mask) != (save_val & ro_mask)) {
  4128. goto reg_test_err;
  4129. }
  4130. writel(save_val, bp->regview + offset);
  4131. continue;
  4132. reg_test_err:
  4133. writel(save_val, bp->regview + offset);
  4134. ret = -ENODEV;
  4135. break;
  4136. }
  4137. return ret;
  4138. }
  4139. static int
  4140. bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
  4141. {
  4142. static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
  4143. 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
  4144. int i;
  4145. for (i = 0; i < sizeof(test_pattern) / 4; i++) {
  4146. u32 offset;
  4147. for (offset = 0; offset < size; offset += 4) {
  4148. bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
  4149. if (bnx2_reg_rd_ind(bp, start + offset) !=
  4150. test_pattern[i]) {
  4151. return -ENODEV;
  4152. }
  4153. }
  4154. }
  4155. return 0;
  4156. }
  4157. static int
  4158. bnx2_test_memory(struct bnx2 *bp)
  4159. {
  4160. int ret = 0;
  4161. int i;
  4162. static struct mem_entry {
  4163. u32 offset;
  4164. u32 len;
  4165. } mem_tbl_5706[] = {
  4166. { 0x60000, 0x4000 },
  4167. { 0xa0000, 0x3000 },
  4168. { 0xe0000, 0x4000 },
  4169. { 0x120000, 0x4000 },
  4170. { 0x1a0000, 0x4000 },
  4171. { 0x160000, 0x4000 },
  4172. { 0xffffffff, 0 },
  4173. },
  4174. mem_tbl_5709[] = {
  4175. { 0x60000, 0x4000 },
  4176. { 0xa0000, 0x3000 },
  4177. { 0xe0000, 0x4000 },
  4178. { 0x120000, 0x4000 },
  4179. { 0x1a0000, 0x4000 },
  4180. { 0xffffffff, 0 },
  4181. };
  4182. struct mem_entry *mem_tbl;
  4183. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  4184. mem_tbl = mem_tbl_5709;
  4185. else
  4186. mem_tbl = mem_tbl_5706;
  4187. for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
  4188. if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
  4189. mem_tbl[i].len)) != 0) {
  4190. return ret;
  4191. }
  4192. }
  4193. return ret;
  4194. }
  4195. #define BNX2_MAC_LOOPBACK 0
  4196. #define BNX2_PHY_LOOPBACK 1
  4197. static int
  4198. bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
  4199. {
  4200. unsigned int pkt_size, num_pkts, i;
  4201. struct sk_buff *skb, *rx_skb;
  4202. unsigned char *packet;
  4203. u16 rx_start_idx, rx_idx;
  4204. dma_addr_t map;
  4205. struct tx_bd *txbd;
  4206. struct sw_bd *rx_buf;
  4207. struct l2_fhdr *rx_hdr;
  4208. int ret = -ENODEV;
  4209. struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
  4210. tx_napi = bnapi;
  4211. if (bp->flags & BNX2_FLAG_USING_MSIX)
  4212. tx_napi = &bp->bnx2_napi[BNX2_TX_VEC];
  4213. if (loopback_mode == BNX2_MAC_LOOPBACK) {
  4214. bp->loopback = MAC_LOOPBACK;
  4215. bnx2_set_mac_loopback(bp);
  4216. }
  4217. else if (loopback_mode == BNX2_PHY_LOOPBACK) {
  4218. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  4219. return 0;
  4220. bp->loopback = PHY_LOOPBACK;
  4221. bnx2_set_phy_loopback(bp);
  4222. }
  4223. else
  4224. return -EINVAL;
  4225. pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
  4226. skb = netdev_alloc_skb(bp->dev, pkt_size);
  4227. if (!skb)
  4228. return -ENOMEM;
  4229. packet = skb_put(skb, pkt_size);
  4230. memcpy(packet, bp->dev->dev_addr, 6);
  4231. memset(packet + 6, 0x0, 8);
  4232. for (i = 14; i < pkt_size; i++)
  4233. packet[i] = (unsigned char) (i & 0xff);
  4234. map = pci_map_single(bp->pdev, skb->data, pkt_size,
  4235. PCI_DMA_TODEVICE);
  4236. REG_WR(bp, BNX2_HC_COMMAND,
  4237. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  4238. REG_RD(bp, BNX2_HC_COMMAND);
  4239. udelay(5);
  4240. rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
  4241. num_pkts = 0;
  4242. txbd = &bp->tx_desc_ring[TX_RING_IDX(bp->tx_prod)];
  4243. txbd->tx_bd_haddr_hi = (u64) map >> 32;
  4244. txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
  4245. txbd->tx_bd_mss_nbytes = pkt_size;
  4246. txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
  4247. num_pkts++;
  4248. bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
  4249. bp->tx_prod_bseq += pkt_size;
  4250. REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
  4251. REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
  4252. udelay(100);
  4253. REG_WR(bp, BNX2_HC_COMMAND,
  4254. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  4255. REG_RD(bp, BNX2_HC_COMMAND);
  4256. udelay(5);
  4257. pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
  4258. dev_kfree_skb(skb);
  4259. if (bnx2_get_hw_tx_cons(tx_napi) != bp->tx_prod)
  4260. goto loopback_test_done;
  4261. rx_idx = bnx2_get_hw_rx_cons(bnapi);
  4262. if (rx_idx != rx_start_idx + num_pkts) {
  4263. goto loopback_test_done;
  4264. }
  4265. rx_buf = &bp->rx_buf_ring[rx_start_idx];
  4266. rx_skb = rx_buf->skb;
  4267. rx_hdr = (struct l2_fhdr *) rx_skb->data;
  4268. skb_reserve(rx_skb, bp->rx_offset);
  4269. pci_dma_sync_single_for_cpu(bp->pdev,
  4270. pci_unmap_addr(rx_buf, mapping),
  4271. bp->rx_buf_size, PCI_DMA_FROMDEVICE);
  4272. if (rx_hdr->l2_fhdr_status &
  4273. (L2_FHDR_ERRORS_BAD_CRC |
  4274. L2_FHDR_ERRORS_PHY_DECODE |
  4275. L2_FHDR_ERRORS_ALIGNMENT |
  4276. L2_FHDR_ERRORS_TOO_SHORT |
  4277. L2_FHDR_ERRORS_GIANT_FRAME)) {
  4278. goto loopback_test_done;
  4279. }
  4280. if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
  4281. goto loopback_test_done;
  4282. }
  4283. for (i = 14; i < pkt_size; i++) {
  4284. if (*(rx_skb->data + i) != (unsigned char) (i & 0xff)) {
  4285. goto loopback_test_done;
  4286. }
  4287. }
  4288. ret = 0;
  4289. loopback_test_done:
  4290. bp->loopback = 0;
  4291. return ret;
  4292. }
  4293. #define BNX2_MAC_LOOPBACK_FAILED 1
  4294. #define BNX2_PHY_LOOPBACK_FAILED 2
  4295. #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
  4296. BNX2_PHY_LOOPBACK_FAILED)
  4297. static int
  4298. bnx2_test_loopback(struct bnx2 *bp)
  4299. {
  4300. int rc = 0;
  4301. if (!netif_running(bp->dev))
  4302. return BNX2_LOOPBACK_FAILED;
  4303. bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
  4304. spin_lock_bh(&bp->phy_lock);
  4305. bnx2_init_phy(bp);
  4306. spin_unlock_bh(&bp->phy_lock);
  4307. if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
  4308. rc |= BNX2_MAC_LOOPBACK_FAILED;
  4309. if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
  4310. rc |= BNX2_PHY_LOOPBACK_FAILED;
  4311. return rc;
  4312. }
  4313. #define NVRAM_SIZE 0x200
  4314. #define CRC32_RESIDUAL 0xdebb20e3
  4315. static int
  4316. bnx2_test_nvram(struct bnx2 *bp)
  4317. {
  4318. __be32 buf[NVRAM_SIZE / 4];
  4319. u8 *data = (u8 *) buf;
  4320. int rc = 0;
  4321. u32 magic, csum;
  4322. if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
  4323. goto test_nvram_done;
  4324. magic = be32_to_cpu(buf[0]);
  4325. if (magic != 0x669955aa) {
  4326. rc = -ENODEV;
  4327. goto test_nvram_done;
  4328. }
  4329. if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
  4330. goto test_nvram_done;
  4331. csum = ether_crc_le(0x100, data);
  4332. if (csum != CRC32_RESIDUAL) {
  4333. rc = -ENODEV;
  4334. goto test_nvram_done;
  4335. }
  4336. csum = ether_crc_le(0x100, data + 0x100);
  4337. if (csum != CRC32_RESIDUAL) {
  4338. rc = -ENODEV;
  4339. }
  4340. test_nvram_done:
  4341. return rc;
  4342. }
  4343. static int
  4344. bnx2_test_link(struct bnx2 *bp)
  4345. {
  4346. u32 bmsr;
  4347. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  4348. if (bp->link_up)
  4349. return 0;
  4350. return -ENODEV;
  4351. }
  4352. spin_lock_bh(&bp->phy_lock);
  4353. bnx2_enable_bmsr1(bp);
  4354. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  4355. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  4356. bnx2_disable_bmsr1(bp);
  4357. spin_unlock_bh(&bp->phy_lock);
  4358. if (bmsr & BMSR_LSTATUS) {
  4359. return 0;
  4360. }
  4361. return -ENODEV;
  4362. }
  4363. static int
  4364. bnx2_test_intr(struct bnx2 *bp)
  4365. {
  4366. int i;
  4367. u16 status_idx;
  4368. if (!netif_running(bp->dev))
  4369. return -ENODEV;
  4370. status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
  4371. /* This register is not touched during run-time. */
  4372. REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
  4373. REG_RD(bp, BNX2_HC_COMMAND);
  4374. for (i = 0; i < 10; i++) {
  4375. if ((REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
  4376. status_idx) {
  4377. break;
  4378. }
  4379. msleep_interruptible(10);
  4380. }
  4381. if (i < 10)
  4382. return 0;
  4383. return -ENODEV;
  4384. }
  4385. /* Determining link for parallel detection. */
  4386. static int
  4387. bnx2_5706_serdes_has_link(struct bnx2 *bp)
  4388. {
  4389. u32 mode_ctl, an_dbg, exp;
  4390. if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
  4391. return 0;
  4392. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
  4393. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
  4394. if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
  4395. return 0;
  4396. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
  4397. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  4398. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  4399. if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
  4400. return 0;
  4401. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
  4402. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
  4403. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
  4404. if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
  4405. return 0;
  4406. return 1;
  4407. }
  4408. static void
  4409. bnx2_5706_serdes_timer(struct bnx2 *bp)
  4410. {
  4411. int check_link = 1;
  4412. spin_lock(&bp->phy_lock);
  4413. if (bp->serdes_an_pending) {
  4414. bp->serdes_an_pending--;
  4415. check_link = 0;
  4416. } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
  4417. u32 bmcr;
  4418. bp->current_interval = bp->timer_interval;
  4419. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4420. if (bmcr & BMCR_ANENABLE) {
  4421. if (bnx2_5706_serdes_has_link(bp)) {
  4422. bmcr &= ~BMCR_ANENABLE;
  4423. bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
  4424. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  4425. bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
  4426. }
  4427. }
  4428. }
  4429. else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
  4430. (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
  4431. u32 phy2;
  4432. bnx2_write_phy(bp, 0x17, 0x0f01);
  4433. bnx2_read_phy(bp, 0x15, &phy2);
  4434. if (phy2 & 0x20) {
  4435. u32 bmcr;
  4436. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4437. bmcr |= BMCR_ANENABLE;
  4438. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  4439. bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
  4440. }
  4441. } else
  4442. bp->current_interval = bp->timer_interval;
  4443. if (check_link) {
  4444. u32 val;
  4445. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
  4446. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
  4447. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
  4448. if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
  4449. if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
  4450. bnx2_5706s_force_link_dn(bp, 1);
  4451. bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
  4452. } else
  4453. bnx2_set_link(bp);
  4454. } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
  4455. bnx2_set_link(bp);
  4456. }
  4457. spin_unlock(&bp->phy_lock);
  4458. }
  4459. static void
  4460. bnx2_5708_serdes_timer(struct bnx2 *bp)
  4461. {
  4462. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  4463. return;
  4464. if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
  4465. bp->serdes_an_pending = 0;
  4466. return;
  4467. }
  4468. spin_lock(&bp->phy_lock);
  4469. if (bp->serdes_an_pending)
  4470. bp->serdes_an_pending--;
  4471. else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
  4472. u32 bmcr;
  4473. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4474. if (bmcr & BMCR_ANENABLE) {
  4475. bnx2_enable_forced_2g5(bp);
  4476. bp->current_interval = SERDES_FORCED_TIMEOUT;
  4477. } else {
  4478. bnx2_disable_forced_2g5(bp);
  4479. bp->serdes_an_pending = 2;
  4480. bp->current_interval = bp->timer_interval;
  4481. }
  4482. } else
  4483. bp->current_interval = bp->timer_interval;
  4484. spin_unlock(&bp->phy_lock);
  4485. }
  4486. static void
  4487. bnx2_timer(unsigned long data)
  4488. {
  4489. struct bnx2 *bp = (struct bnx2 *) data;
  4490. if (!netif_running(bp->dev))
  4491. return;
  4492. if (atomic_read(&bp->intr_sem) != 0)
  4493. goto bnx2_restart_timer;
  4494. bnx2_send_heart_beat(bp);
  4495. bp->stats_blk->stat_FwRxDrop =
  4496. bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
  4497. /* workaround occasional corrupted counters */
  4498. if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
  4499. REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
  4500. BNX2_HC_COMMAND_STATS_NOW);
  4501. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  4502. if (CHIP_NUM(bp) == CHIP_NUM_5706)
  4503. bnx2_5706_serdes_timer(bp);
  4504. else
  4505. bnx2_5708_serdes_timer(bp);
  4506. }
  4507. bnx2_restart_timer:
  4508. mod_timer(&bp->timer, jiffies + bp->current_interval);
  4509. }
  4510. static int
  4511. bnx2_request_irq(struct bnx2 *bp)
  4512. {
  4513. struct net_device *dev = bp->dev;
  4514. unsigned long flags;
  4515. struct bnx2_irq *irq;
  4516. int rc = 0, i;
  4517. if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
  4518. flags = 0;
  4519. else
  4520. flags = IRQF_SHARED;
  4521. for (i = 0; i < bp->irq_nvecs; i++) {
  4522. irq = &bp->irq_tbl[i];
  4523. rc = request_irq(irq->vector, irq->handler, flags, irq->name,
  4524. dev);
  4525. if (rc)
  4526. break;
  4527. irq->requested = 1;
  4528. }
  4529. return rc;
  4530. }
  4531. static void
  4532. bnx2_free_irq(struct bnx2 *bp)
  4533. {
  4534. struct net_device *dev = bp->dev;
  4535. struct bnx2_irq *irq;
  4536. int i;
  4537. for (i = 0; i < bp->irq_nvecs; i++) {
  4538. irq = &bp->irq_tbl[i];
  4539. if (irq->requested)
  4540. free_irq(irq->vector, dev);
  4541. irq->requested = 0;
  4542. }
  4543. if (bp->flags & BNX2_FLAG_USING_MSI)
  4544. pci_disable_msi(bp->pdev);
  4545. else if (bp->flags & BNX2_FLAG_USING_MSIX)
  4546. pci_disable_msix(bp->pdev);
  4547. bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
  4548. }
  4549. static void
  4550. bnx2_enable_msix(struct bnx2 *bp)
  4551. {
  4552. int i, rc;
  4553. struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
  4554. bnx2_setup_msix_tbl(bp);
  4555. REG_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
  4556. REG_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
  4557. REG_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
  4558. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
  4559. msix_ent[i].entry = i;
  4560. msix_ent[i].vector = 0;
  4561. }
  4562. rc = pci_enable_msix(bp->pdev, msix_ent, BNX2_MAX_MSIX_VEC);
  4563. if (rc != 0)
  4564. return;
  4565. bp->irq_tbl[BNX2_BASE_VEC].handler = bnx2_msi_1shot;
  4566. bp->irq_tbl[BNX2_TX_VEC].handler = bnx2_tx_msix;
  4567. strcpy(bp->irq_tbl[BNX2_BASE_VEC].name, bp->dev->name);
  4568. strcat(bp->irq_tbl[BNX2_BASE_VEC].name, "-base");
  4569. strcpy(bp->irq_tbl[BNX2_TX_VEC].name, bp->dev->name);
  4570. strcat(bp->irq_tbl[BNX2_TX_VEC].name, "-tx");
  4571. bp->irq_nvecs = BNX2_MAX_MSIX_VEC;
  4572. bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
  4573. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
  4574. bp->irq_tbl[i].vector = msix_ent[i].vector;
  4575. }
  4576. static void
  4577. bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
  4578. {
  4579. bp->irq_tbl[0].handler = bnx2_interrupt;
  4580. strcpy(bp->irq_tbl[0].name, bp->dev->name);
  4581. bp->irq_nvecs = 1;
  4582. bp->irq_tbl[0].vector = bp->pdev->irq;
  4583. if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
  4584. bnx2_enable_msix(bp);
  4585. if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
  4586. !(bp->flags & BNX2_FLAG_USING_MSIX)) {
  4587. if (pci_enable_msi(bp->pdev) == 0) {
  4588. bp->flags |= BNX2_FLAG_USING_MSI;
  4589. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  4590. bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
  4591. bp->irq_tbl[0].handler = bnx2_msi_1shot;
  4592. } else
  4593. bp->irq_tbl[0].handler = bnx2_msi;
  4594. bp->irq_tbl[0].vector = bp->pdev->irq;
  4595. }
  4596. }
  4597. }
  4598. /* Called with rtnl_lock */
  4599. static int
  4600. bnx2_open(struct net_device *dev)
  4601. {
  4602. struct bnx2 *bp = netdev_priv(dev);
  4603. int rc;
  4604. netif_carrier_off(dev);
  4605. bnx2_set_power_state(bp, PCI_D0);
  4606. bnx2_disable_int(bp);
  4607. rc = bnx2_alloc_mem(bp);
  4608. if (rc)
  4609. return rc;
  4610. bnx2_setup_int_mode(bp, disable_msi);
  4611. bnx2_napi_enable(bp);
  4612. rc = bnx2_request_irq(bp);
  4613. if (rc) {
  4614. bnx2_napi_disable(bp);
  4615. bnx2_free_mem(bp);
  4616. return rc;
  4617. }
  4618. rc = bnx2_init_nic(bp);
  4619. if (rc) {
  4620. bnx2_napi_disable(bp);
  4621. bnx2_free_irq(bp);
  4622. bnx2_free_skbs(bp);
  4623. bnx2_free_mem(bp);
  4624. return rc;
  4625. }
  4626. mod_timer(&bp->timer, jiffies + bp->current_interval);
  4627. atomic_set(&bp->intr_sem, 0);
  4628. bnx2_enable_int(bp);
  4629. if (bp->flags & BNX2_FLAG_USING_MSI) {
  4630. /* Test MSI to make sure it is working
  4631. * If MSI test fails, go back to INTx mode
  4632. */
  4633. if (bnx2_test_intr(bp) != 0) {
  4634. printk(KERN_WARNING PFX "%s: No interrupt was generated"
  4635. " using MSI, switching to INTx mode. Please"
  4636. " report this failure to the PCI maintainer"
  4637. " and include system chipset information.\n",
  4638. bp->dev->name);
  4639. bnx2_disable_int(bp);
  4640. bnx2_free_irq(bp);
  4641. bnx2_setup_int_mode(bp, 1);
  4642. rc = bnx2_init_nic(bp);
  4643. if (!rc)
  4644. rc = bnx2_request_irq(bp);
  4645. if (rc) {
  4646. bnx2_napi_disable(bp);
  4647. bnx2_free_skbs(bp);
  4648. bnx2_free_mem(bp);
  4649. del_timer_sync(&bp->timer);
  4650. return rc;
  4651. }
  4652. bnx2_enable_int(bp);
  4653. }
  4654. }
  4655. if (bp->flags & BNX2_FLAG_USING_MSI)
  4656. printk(KERN_INFO PFX "%s: using MSI\n", dev->name);
  4657. else if (bp->flags & BNX2_FLAG_USING_MSIX)
  4658. printk(KERN_INFO PFX "%s: using MSIX\n", dev->name);
  4659. netif_start_queue(dev);
  4660. return 0;
  4661. }
  4662. static void
  4663. bnx2_reset_task(struct work_struct *work)
  4664. {
  4665. struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
  4666. if (!netif_running(bp->dev))
  4667. return;
  4668. bp->in_reset_task = 1;
  4669. bnx2_netif_stop(bp);
  4670. bnx2_init_nic(bp);
  4671. atomic_set(&bp->intr_sem, 1);
  4672. bnx2_netif_start(bp);
  4673. bp->in_reset_task = 0;
  4674. }
  4675. static void
  4676. bnx2_tx_timeout(struct net_device *dev)
  4677. {
  4678. struct bnx2 *bp = netdev_priv(dev);
  4679. /* This allows the netif to be shutdown gracefully before resetting */
  4680. schedule_work(&bp->reset_task);
  4681. }
  4682. #ifdef BCM_VLAN
  4683. /* Called with rtnl_lock */
  4684. static void
  4685. bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
  4686. {
  4687. struct bnx2 *bp = netdev_priv(dev);
  4688. bnx2_netif_stop(bp);
  4689. bp->vlgrp = vlgrp;
  4690. bnx2_set_rx_mode(dev);
  4691. bnx2_netif_start(bp);
  4692. }
  4693. #endif
  4694. /* Called with netif_tx_lock.
  4695. * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
  4696. * netif_wake_queue().
  4697. */
  4698. static int
  4699. bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
  4700. {
  4701. struct bnx2 *bp = netdev_priv(dev);
  4702. dma_addr_t mapping;
  4703. struct tx_bd *txbd;
  4704. struct sw_bd *tx_buf;
  4705. u32 len, vlan_tag_flags, last_frag, mss;
  4706. u16 prod, ring_prod;
  4707. int i;
  4708. struct bnx2_napi *bnapi = &bp->bnx2_napi[bp->tx_vec];
  4709. if (unlikely(bnx2_tx_avail(bp, bnapi) <
  4710. (skb_shinfo(skb)->nr_frags + 1))) {
  4711. netif_stop_queue(dev);
  4712. printk(KERN_ERR PFX "%s: BUG! Tx ring full when queue awake!\n",
  4713. dev->name);
  4714. return NETDEV_TX_BUSY;
  4715. }
  4716. len = skb_headlen(skb);
  4717. prod = bp->tx_prod;
  4718. ring_prod = TX_RING_IDX(prod);
  4719. vlan_tag_flags = 0;
  4720. if (skb->ip_summed == CHECKSUM_PARTIAL) {
  4721. vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
  4722. }
  4723. if (bp->vlgrp && vlan_tx_tag_present(skb)) {
  4724. vlan_tag_flags |=
  4725. (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
  4726. }
  4727. if ((mss = skb_shinfo(skb)->gso_size)) {
  4728. u32 tcp_opt_len, ip_tcp_len;
  4729. struct iphdr *iph;
  4730. vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
  4731. tcp_opt_len = tcp_optlen(skb);
  4732. if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
  4733. u32 tcp_off = skb_transport_offset(skb) -
  4734. sizeof(struct ipv6hdr) - ETH_HLEN;
  4735. vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
  4736. TX_BD_FLAGS_SW_FLAGS;
  4737. if (likely(tcp_off == 0))
  4738. vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
  4739. else {
  4740. tcp_off >>= 3;
  4741. vlan_tag_flags |= ((tcp_off & 0x3) <<
  4742. TX_BD_FLAGS_TCP6_OFF0_SHL) |
  4743. ((tcp_off & 0x10) <<
  4744. TX_BD_FLAGS_TCP6_OFF4_SHL);
  4745. mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
  4746. }
  4747. } else {
  4748. if (skb_header_cloned(skb) &&
  4749. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  4750. dev_kfree_skb(skb);
  4751. return NETDEV_TX_OK;
  4752. }
  4753. ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
  4754. iph = ip_hdr(skb);
  4755. iph->check = 0;
  4756. iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
  4757. tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
  4758. iph->daddr, 0,
  4759. IPPROTO_TCP,
  4760. 0);
  4761. if (tcp_opt_len || (iph->ihl > 5)) {
  4762. vlan_tag_flags |= ((iph->ihl - 5) +
  4763. (tcp_opt_len >> 2)) << 8;
  4764. }
  4765. }
  4766. } else
  4767. mss = 0;
  4768. mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
  4769. tx_buf = &bp->tx_buf_ring[ring_prod];
  4770. tx_buf->skb = skb;
  4771. pci_unmap_addr_set(tx_buf, mapping, mapping);
  4772. txbd = &bp->tx_desc_ring[ring_prod];
  4773. txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
  4774. txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  4775. txbd->tx_bd_mss_nbytes = len | (mss << 16);
  4776. txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
  4777. last_frag = skb_shinfo(skb)->nr_frags;
  4778. for (i = 0; i < last_frag; i++) {
  4779. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  4780. prod = NEXT_TX_BD(prod);
  4781. ring_prod = TX_RING_IDX(prod);
  4782. txbd = &bp->tx_desc_ring[ring_prod];
  4783. len = frag->size;
  4784. mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
  4785. len, PCI_DMA_TODEVICE);
  4786. pci_unmap_addr_set(&bp->tx_buf_ring[ring_prod],
  4787. mapping, mapping);
  4788. txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
  4789. txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  4790. txbd->tx_bd_mss_nbytes = len | (mss << 16);
  4791. txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
  4792. }
  4793. txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
  4794. prod = NEXT_TX_BD(prod);
  4795. bp->tx_prod_bseq += skb->len;
  4796. REG_WR16(bp, bp->tx_bidx_addr, prod);
  4797. REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);
  4798. mmiowb();
  4799. bp->tx_prod = prod;
  4800. dev->trans_start = jiffies;
  4801. if (unlikely(bnx2_tx_avail(bp, bnapi) <= MAX_SKB_FRAGS)) {
  4802. netif_stop_queue(dev);
  4803. if (bnx2_tx_avail(bp, bnapi) > bp->tx_wake_thresh)
  4804. netif_wake_queue(dev);
  4805. }
  4806. return NETDEV_TX_OK;
  4807. }
  4808. /* Called with rtnl_lock */
  4809. static int
  4810. bnx2_close(struct net_device *dev)
  4811. {
  4812. struct bnx2 *bp = netdev_priv(dev);
  4813. u32 reset_code;
  4814. /* Calling flush_scheduled_work() may deadlock because
  4815. * linkwatch_event() may be on the workqueue and it will try to get
  4816. * the rtnl_lock which we are holding.
  4817. */
  4818. while (bp->in_reset_task)
  4819. msleep(1);
  4820. bnx2_disable_int_sync(bp);
  4821. bnx2_napi_disable(bp);
  4822. del_timer_sync(&bp->timer);
  4823. if (bp->flags & BNX2_FLAG_NO_WOL)
  4824. reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
  4825. else if (bp->wol)
  4826. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  4827. else
  4828. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  4829. bnx2_reset_chip(bp, reset_code);
  4830. bnx2_free_irq(bp);
  4831. bnx2_free_skbs(bp);
  4832. bnx2_free_mem(bp);
  4833. bp->link_up = 0;
  4834. netif_carrier_off(bp->dev);
  4835. bnx2_set_power_state(bp, PCI_D3hot);
  4836. return 0;
  4837. }
  4838. #define GET_NET_STATS64(ctr) \
  4839. (unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
  4840. (unsigned long) (ctr##_lo)
  4841. #define GET_NET_STATS32(ctr) \
  4842. (ctr##_lo)
  4843. #if (BITS_PER_LONG == 64)
  4844. #define GET_NET_STATS GET_NET_STATS64
  4845. #else
  4846. #define GET_NET_STATS GET_NET_STATS32
  4847. #endif
  4848. static struct net_device_stats *
  4849. bnx2_get_stats(struct net_device *dev)
  4850. {
  4851. struct bnx2 *bp = netdev_priv(dev);
  4852. struct statistics_block *stats_blk = bp->stats_blk;
  4853. struct net_device_stats *net_stats = &bp->net_stats;
  4854. if (bp->stats_blk == NULL) {
  4855. return net_stats;
  4856. }
  4857. net_stats->rx_packets =
  4858. GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
  4859. GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
  4860. GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
  4861. net_stats->tx_packets =
  4862. GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
  4863. GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
  4864. GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
  4865. net_stats->rx_bytes =
  4866. GET_NET_STATS(stats_blk->stat_IfHCInOctets);
  4867. net_stats->tx_bytes =
  4868. GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
  4869. net_stats->multicast =
  4870. GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
  4871. net_stats->collisions =
  4872. (unsigned long) stats_blk->stat_EtherStatsCollisions;
  4873. net_stats->rx_length_errors =
  4874. (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
  4875. stats_blk->stat_EtherStatsOverrsizePkts);
  4876. net_stats->rx_over_errors =
  4877. (unsigned long) stats_blk->stat_IfInMBUFDiscards;
  4878. net_stats->rx_frame_errors =
  4879. (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
  4880. net_stats->rx_crc_errors =
  4881. (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
  4882. net_stats->rx_errors = net_stats->rx_length_errors +
  4883. net_stats->rx_over_errors + net_stats->rx_frame_errors +
  4884. net_stats->rx_crc_errors;
  4885. net_stats->tx_aborted_errors =
  4886. (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
  4887. stats_blk->stat_Dot3StatsLateCollisions);
  4888. if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
  4889. (CHIP_ID(bp) == CHIP_ID_5708_A0))
  4890. net_stats->tx_carrier_errors = 0;
  4891. else {
  4892. net_stats->tx_carrier_errors =
  4893. (unsigned long)
  4894. stats_blk->stat_Dot3StatsCarrierSenseErrors;
  4895. }
  4896. net_stats->tx_errors =
  4897. (unsigned long)
  4898. stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
  4899. +
  4900. net_stats->tx_aborted_errors +
  4901. net_stats->tx_carrier_errors;
  4902. net_stats->rx_missed_errors =
  4903. (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
  4904. stats_blk->stat_FwRxDrop);
  4905. return net_stats;
  4906. }
  4907. /* All ethtool functions called with rtnl_lock */
  4908. static int
  4909. bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  4910. {
  4911. struct bnx2 *bp = netdev_priv(dev);
  4912. int support_serdes = 0, support_copper = 0;
  4913. cmd->supported = SUPPORTED_Autoneg;
  4914. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  4915. support_serdes = 1;
  4916. support_copper = 1;
  4917. } else if (bp->phy_port == PORT_FIBRE)
  4918. support_serdes = 1;
  4919. else
  4920. support_copper = 1;
  4921. if (support_serdes) {
  4922. cmd->supported |= SUPPORTED_1000baseT_Full |
  4923. SUPPORTED_FIBRE;
  4924. if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
  4925. cmd->supported |= SUPPORTED_2500baseX_Full;
  4926. }
  4927. if (support_copper) {
  4928. cmd->supported |= SUPPORTED_10baseT_Half |
  4929. SUPPORTED_10baseT_Full |
  4930. SUPPORTED_100baseT_Half |
  4931. SUPPORTED_100baseT_Full |
  4932. SUPPORTED_1000baseT_Full |
  4933. SUPPORTED_TP;
  4934. }
  4935. spin_lock_bh(&bp->phy_lock);
  4936. cmd->port = bp->phy_port;
  4937. cmd->advertising = bp->advertising;
  4938. if (bp->autoneg & AUTONEG_SPEED) {
  4939. cmd->autoneg = AUTONEG_ENABLE;
  4940. }
  4941. else {
  4942. cmd->autoneg = AUTONEG_DISABLE;
  4943. }
  4944. if (netif_carrier_ok(dev)) {
  4945. cmd->speed = bp->line_speed;
  4946. cmd->duplex = bp->duplex;
  4947. }
  4948. else {
  4949. cmd->speed = -1;
  4950. cmd->duplex = -1;
  4951. }
  4952. spin_unlock_bh(&bp->phy_lock);
  4953. cmd->transceiver = XCVR_INTERNAL;
  4954. cmd->phy_address = bp->phy_addr;
  4955. return 0;
  4956. }
  4957. static int
  4958. bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  4959. {
  4960. struct bnx2 *bp = netdev_priv(dev);
  4961. u8 autoneg = bp->autoneg;
  4962. u8 req_duplex = bp->req_duplex;
  4963. u16 req_line_speed = bp->req_line_speed;
  4964. u32 advertising = bp->advertising;
  4965. int err = -EINVAL;
  4966. spin_lock_bh(&bp->phy_lock);
  4967. if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
  4968. goto err_out_unlock;
  4969. if (cmd->port != bp->phy_port &&
  4970. !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
  4971. goto err_out_unlock;
  4972. if (cmd->autoneg == AUTONEG_ENABLE) {
  4973. autoneg |= AUTONEG_SPEED;
  4974. cmd->advertising &= ETHTOOL_ALL_COPPER_SPEED;
  4975. /* allow advertising 1 speed */
  4976. if ((cmd->advertising == ADVERTISED_10baseT_Half) ||
  4977. (cmd->advertising == ADVERTISED_10baseT_Full) ||
  4978. (cmd->advertising == ADVERTISED_100baseT_Half) ||
  4979. (cmd->advertising == ADVERTISED_100baseT_Full)) {
  4980. if (cmd->port == PORT_FIBRE)
  4981. goto err_out_unlock;
  4982. advertising = cmd->advertising;
  4983. } else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
  4984. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ||
  4985. (cmd->port == PORT_TP))
  4986. goto err_out_unlock;
  4987. } else if (cmd->advertising == ADVERTISED_1000baseT_Full)
  4988. advertising = cmd->advertising;
  4989. else if (cmd->advertising == ADVERTISED_1000baseT_Half)
  4990. goto err_out_unlock;
  4991. else {
  4992. if (cmd->port == PORT_FIBRE)
  4993. advertising = ETHTOOL_ALL_FIBRE_SPEED;
  4994. else
  4995. advertising = ETHTOOL_ALL_COPPER_SPEED;
  4996. }
  4997. advertising |= ADVERTISED_Autoneg;
  4998. }
  4999. else {
  5000. if (cmd->port == PORT_FIBRE) {
  5001. if ((cmd->speed != SPEED_1000 &&
  5002. cmd->speed != SPEED_2500) ||
  5003. (cmd->duplex != DUPLEX_FULL))
  5004. goto err_out_unlock;
  5005. if (cmd->speed == SPEED_2500 &&
  5006. !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  5007. goto err_out_unlock;
  5008. }
  5009. else if (cmd->speed == SPEED_1000 || cmd->speed == SPEED_2500)
  5010. goto err_out_unlock;
  5011. autoneg &= ~AUTONEG_SPEED;
  5012. req_line_speed = cmd->speed;
  5013. req_duplex = cmd->duplex;
  5014. advertising = 0;
  5015. }
  5016. bp->autoneg = autoneg;
  5017. bp->advertising = advertising;
  5018. bp->req_line_speed = req_line_speed;
  5019. bp->req_duplex = req_duplex;
  5020. err = bnx2_setup_phy(bp, cmd->port);
  5021. err_out_unlock:
  5022. spin_unlock_bh(&bp->phy_lock);
  5023. return err;
  5024. }
  5025. static void
  5026. bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
  5027. {
  5028. struct bnx2 *bp = netdev_priv(dev);
  5029. strcpy(info->driver, DRV_MODULE_NAME);
  5030. strcpy(info->version, DRV_MODULE_VERSION);
  5031. strcpy(info->bus_info, pci_name(bp->pdev));
  5032. strcpy(info->fw_version, bp->fw_version);
  5033. }
  5034. #define BNX2_REGDUMP_LEN (32 * 1024)
  5035. static int
  5036. bnx2_get_regs_len(struct net_device *dev)
  5037. {
  5038. return BNX2_REGDUMP_LEN;
  5039. }
  5040. static void
  5041. bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
  5042. {
  5043. u32 *p = _p, i, offset;
  5044. u8 *orig_p = _p;
  5045. struct bnx2 *bp = netdev_priv(dev);
  5046. u32 reg_boundaries[] = { 0x0000, 0x0098, 0x0400, 0x045c,
  5047. 0x0800, 0x0880, 0x0c00, 0x0c10,
  5048. 0x0c30, 0x0d08, 0x1000, 0x101c,
  5049. 0x1040, 0x1048, 0x1080, 0x10a4,
  5050. 0x1400, 0x1490, 0x1498, 0x14f0,
  5051. 0x1500, 0x155c, 0x1580, 0x15dc,
  5052. 0x1600, 0x1658, 0x1680, 0x16d8,
  5053. 0x1800, 0x1820, 0x1840, 0x1854,
  5054. 0x1880, 0x1894, 0x1900, 0x1984,
  5055. 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
  5056. 0x1c80, 0x1c94, 0x1d00, 0x1d84,
  5057. 0x2000, 0x2030, 0x23c0, 0x2400,
  5058. 0x2800, 0x2820, 0x2830, 0x2850,
  5059. 0x2b40, 0x2c10, 0x2fc0, 0x3058,
  5060. 0x3c00, 0x3c94, 0x4000, 0x4010,
  5061. 0x4080, 0x4090, 0x43c0, 0x4458,
  5062. 0x4c00, 0x4c18, 0x4c40, 0x4c54,
  5063. 0x4fc0, 0x5010, 0x53c0, 0x5444,
  5064. 0x5c00, 0x5c18, 0x5c80, 0x5c90,
  5065. 0x5fc0, 0x6000, 0x6400, 0x6428,
  5066. 0x6800, 0x6848, 0x684c, 0x6860,
  5067. 0x6888, 0x6910, 0x8000 };
  5068. regs->version = 0;
  5069. memset(p, 0, BNX2_REGDUMP_LEN);
  5070. if (!netif_running(bp->dev))
  5071. return;
  5072. i = 0;
  5073. offset = reg_boundaries[0];
  5074. p += offset;
  5075. while (offset < BNX2_REGDUMP_LEN) {
  5076. *p++ = REG_RD(bp, offset);
  5077. offset += 4;
  5078. if (offset == reg_boundaries[i + 1]) {
  5079. offset = reg_boundaries[i + 2];
  5080. p = (u32 *) (orig_p + offset);
  5081. i += 2;
  5082. }
  5083. }
  5084. }
  5085. static void
  5086. bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  5087. {
  5088. struct bnx2 *bp = netdev_priv(dev);
  5089. if (bp->flags & BNX2_FLAG_NO_WOL) {
  5090. wol->supported = 0;
  5091. wol->wolopts = 0;
  5092. }
  5093. else {
  5094. wol->supported = WAKE_MAGIC;
  5095. if (bp->wol)
  5096. wol->wolopts = WAKE_MAGIC;
  5097. else
  5098. wol->wolopts = 0;
  5099. }
  5100. memset(&wol->sopass, 0, sizeof(wol->sopass));
  5101. }
  5102. static int
  5103. bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  5104. {
  5105. struct bnx2 *bp = netdev_priv(dev);
  5106. if (wol->wolopts & ~WAKE_MAGIC)
  5107. return -EINVAL;
  5108. if (wol->wolopts & WAKE_MAGIC) {
  5109. if (bp->flags & BNX2_FLAG_NO_WOL)
  5110. return -EINVAL;
  5111. bp->wol = 1;
  5112. }
  5113. else {
  5114. bp->wol = 0;
  5115. }
  5116. return 0;
  5117. }
  5118. static int
  5119. bnx2_nway_reset(struct net_device *dev)
  5120. {
  5121. struct bnx2 *bp = netdev_priv(dev);
  5122. u32 bmcr;
  5123. if (!(bp->autoneg & AUTONEG_SPEED)) {
  5124. return -EINVAL;
  5125. }
  5126. spin_lock_bh(&bp->phy_lock);
  5127. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  5128. int rc;
  5129. rc = bnx2_setup_remote_phy(bp, bp->phy_port);
  5130. spin_unlock_bh(&bp->phy_lock);
  5131. return rc;
  5132. }
  5133. /* Force a link down visible on the other side */
  5134. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  5135. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  5136. spin_unlock_bh(&bp->phy_lock);
  5137. msleep(20);
  5138. spin_lock_bh(&bp->phy_lock);
  5139. bp->current_interval = SERDES_AN_TIMEOUT;
  5140. bp->serdes_an_pending = 1;
  5141. mod_timer(&bp->timer, jiffies + bp->current_interval);
  5142. }
  5143. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  5144. bmcr &= ~BMCR_LOOPBACK;
  5145. bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
  5146. spin_unlock_bh(&bp->phy_lock);
  5147. return 0;
  5148. }
  5149. static int
  5150. bnx2_get_eeprom_len(struct net_device *dev)
  5151. {
  5152. struct bnx2 *bp = netdev_priv(dev);
  5153. if (bp->flash_info == NULL)
  5154. return 0;
  5155. return (int) bp->flash_size;
  5156. }
  5157. static int
  5158. bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
  5159. u8 *eebuf)
  5160. {
  5161. struct bnx2 *bp = netdev_priv(dev);
  5162. int rc;
  5163. /* parameters already validated in ethtool_get_eeprom */
  5164. rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
  5165. return rc;
  5166. }
  5167. static int
  5168. bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
  5169. u8 *eebuf)
  5170. {
  5171. struct bnx2 *bp = netdev_priv(dev);
  5172. int rc;
  5173. /* parameters already validated in ethtool_set_eeprom */
  5174. rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
  5175. return rc;
  5176. }
  5177. static int
  5178. bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
  5179. {
  5180. struct bnx2 *bp = netdev_priv(dev);
  5181. memset(coal, 0, sizeof(struct ethtool_coalesce));
  5182. coal->rx_coalesce_usecs = bp->rx_ticks;
  5183. coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
  5184. coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
  5185. coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
  5186. coal->tx_coalesce_usecs = bp->tx_ticks;
  5187. coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
  5188. coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
  5189. coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
  5190. coal->stats_block_coalesce_usecs = bp->stats_ticks;
  5191. return 0;
  5192. }
  5193. static int
  5194. bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
  5195. {
  5196. struct bnx2 *bp = netdev_priv(dev);
  5197. bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
  5198. if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
  5199. bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
  5200. if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
  5201. bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
  5202. if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
  5203. bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
  5204. if (bp->rx_quick_cons_trip_int > 0xff)
  5205. bp->rx_quick_cons_trip_int = 0xff;
  5206. bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
  5207. if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
  5208. bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
  5209. if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
  5210. bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
  5211. if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
  5212. bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
  5213. if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
  5214. 0xff;
  5215. bp->stats_ticks = coal->stats_block_coalesce_usecs;
  5216. if (CHIP_NUM(bp) == CHIP_NUM_5708) {
  5217. if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
  5218. bp->stats_ticks = USEC_PER_SEC;
  5219. }
  5220. if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
  5221. bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  5222. bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  5223. if (netif_running(bp->dev)) {
  5224. bnx2_netif_stop(bp);
  5225. bnx2_init_nic(bp);
  5226. bnx2_netif_start(bp);
  5227. }
  5228. return 0;
  5229. }
  5230. static void
  5231. bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  5232. {
  5233. struct bnx2 *bp = netdev_priv(dev);
  5234. ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT;
  5235. ering->rx_mini_max_pending = 0;
  5236. ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT;
  5237. ering->rx_pending = bp->rx_ring_size;
  5238. ering->rx_mini_pending = 0;
  5239. ering->rx_jumbo_pending = bp->rx_pg_ring_size;
  5240. ering->tx_max_pending = MAX_TX_DESC_CNT;
  5241. ering->tx_pending = bp->tx_ring_size;
  5242. }
  5243. static int
  5244. bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
  5245. {
  5246. if (netif_running(bp->dev)) {
  5247. bnx2_netif_stop(bp);
  5248. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
  5249. bnx2_free_skbs(bp);
  5250. bnx2_free_mem(bp);
  5251. }
  5252. bnx2_set_rx_ring_size(bp, rx);
  5253. bp->tx_ring_size = tx;
  5254. if (netif_running(bp->dev)) {
  5255. int rc;
  5256. rc = bnx2_alloc_mem(bp);
  5257. if (rc)
  5258. return rc;
  5259. bnx2_init_nic(bp);
  5260. bnx2_netif_start(bp);
  5261. }
  5262. return 0;
  5263. }
  5264. static int
  5265. bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  5266. {
  5267. struct bnx2 *bp = netdev_priv(dev);
  5268. int rc;
  5269. if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) ||
  5270. (ering->tx_pending > MAX_TX_DESC_CNT) ||
  5271. (ering->tx_pending <= MAX_SKB_FRAGS)) {
  5272. return -EINVAL;
  5273. }
  5274. rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending);
  5275. return rc;
  5276. }
  5277. static void
  5278. bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  5279. {
  5280. struct bnx2 *bp = netdev_priv(dev);
  5281. epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
  5282. epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
  5283. epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
  5284. }
  5285. static int
  5286. bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  5287. {
  5288. struct bnx2 *bp = netdev_priv(dev);
  5289. bp->req_flow_ctrl = 0;
  5290. if (epause->rx_pause)
  5291. bp->req_flow_ctrl |= FLOW_CTRL_RX;
  5292. if (epause->tx_pause)
  5293. bp->req_flow_ctrl |= FLOW_CTRL_TX;
  5294. if (epause->autoneg) {
  5295. bp->autoneg |= AUTONEG_FLOW_CTRL;
  5296. }
  5297. else {
  5298. bp->autoneg &= ~AUTONEG_FLOW_CTRL;
  5299. }
  5300. spin_lock_bh(&bp->phy_lock);
  5301. bnx2_setup_phy(bp, bp->phy_port);
  5302. spin_unlock_bh(&bp->phy_lock);
  5303. return 0;
  5304. }
  5305. static u32
  5306. bnx2_get_rx_csum(struct net_device *dev)
  5307. {
  5308. struct bnx2 *bp = netdev_priv(dev);
  5309. return bp->rx_csum;
  5310. }
  5311. static int
  5312. bnx2_set_rx_csum(struct net_device *dev, u32 data)
  5313. {
  5314. struct bnx2 *bp = netdev_priv(dev);
  5315. bp->rx_csum = data;
  5316. return 0;
  5317. }
  5318. static int
  5319. bnx2_set_tso(struct net_device *dev, u32 data)
  5320. {
  5321. struct bnx2 *bp = netdev_priv(dev);
  5322. if (data) {
  5323. dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
  5324. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  5325. dev->features |= NETIF_F_TSO6;
  5326. } else
  5327. dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 |
  5328. NETIF_F_TSO_ECN);
  5329. return 0;
  5330. }
  5331. #define BNX2_NUM_STATS 46
  5332. static struct {
  5333. char string[ETH_GSTRING_LEN];
  5334. } bnx2_stats_str_arr[BNX2_NUM_STATS] = {
  5335. { "rx_bytes" },
  5336. { "rx_error_bytes" },
  5337. { "tx_bytes" },
  5338. { "tx_error_bytes" },
  5339. { "rx_ucast_packets" },
  5340. { "rx_mcast_packets" },
  5341. { "rx_bcast_packets" },
  5342. { "tx_ucast_packets" },
  5343. { "tx_mcast_packets" },
  5344. { "tx_bcast_packets" },
  5345. { "tx_mac_errors" },
  5346. { "tx_carrier_errors" },
  5347. { "rx_crc_errors" },
  5348. { "rx_align_errors" },
  5349. { "tx_single_collisions" },
  5350. { "tx_multi_collisions" },
  5351. { "tx_deferred" },
  5352. { "tx_excess_collisions" },
  5353. { "tx_late_collisions" },
  5354. { "tx_total_collisions" },
  5355. { "rx_fragments" },
  5356. { "rx_jabbers" },
  5357. { "rx_undersize_packets" },
  5358. { "rx_oversize_packets" },
  5359. { "rx_64_byte_packets" },
  5360. { "rx_65_to_127_byte_packets" },
  5361. { "rx_128_to_255_byte_packets" },
  5362. { "rx_256_to_511_byte_packets" },
  5363. { "rx_512_to_1023_byte_packets" },
  5364. { "rx_1024_to_1522_byte_packets" },
  5365. { "rx_1523_to_9022_byte_packets" },
  5366. { "tx_64_byte_packets" },
  5367. { "tx_65_to_127_byte_packets" },
  5368. { "tx_128_to_255_byte_packets" },
  5369. { "tx_256_to_511_byte_packets" },
  5370. { "tx_512_to_1023_byte_packets" },
  5371. { "tx_1024_to_1522_byte_packets" },
  5372. { "tx_1523_to_9022_byte_packets" },
  5373. { "rx_xon_frames" },
  5374. { "rx_xoff_frames" },
  5375. { "tx_xon_frames" },
  5376. { "tx_xoff_frames" },
  5377. { "rx_mac_ctrl_frames" },
  5378. { "rx_filtered_packets" },
  5379. { "rx_discards" },
  5380. { "rx_fw_discards" },
  5381. };
  5382. #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
  5383. static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
  5384. STATS_OFFSET32(stat_IfHCInOctets_hi),
  5385. STATS_OFFSET32(stat_IfHCInBadOctets_hi),
  5386. STATS_OFFSET32(stat_IfHCOutOctets_hi),
  5387. STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
  5388. STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
  5389. STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
  5390. STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
  5391. STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
  5392. STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
  5393. STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
  5394. STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
  5395. STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
  5396. STATS_OFFSET32(stat_Dot3StatsFCSErrors),
  5397. STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
  5398. STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
  5399. STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
  5400. STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
  5401. STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
  5402. STATS_OFFSET32(stat_Dot3StatsLateCollisions),
  5403. STATS_OFFSET32(stat_EtherStatsCollisions),
  5404. STATS_OFFSET32(stat_EtherStatsFragments),
  5405. STATS_OFFSET32(stat_EtherStatsJabbers),
  5406. STATS_OFFSET32(stat_EtherStatsUndersizePkts),
  5407. STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
  5408. STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
  5409. STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
  5410. STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
  5411. STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
  5412. STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
  5413. STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
  5414. STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
  5415. STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
  5416. STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
  5417. STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
  5418. STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
  5419. STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
  5420. STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
  5421. STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
  5422. STATS_OFFSET32(stat_XonPauseFramesReceived),
  5423. STATS_OFFSET32(stat_XoffPauseFramesReceived),
  5424. STATS_OFFSET32(stat_OutXonSent),
  5425. STATS_OFFSET32(stat_OutXoffSent),
  5426. STATS_OFFSET32(stat_MacControlFramesReceived),
  5427. STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
  5428. STATS_OFFSET32(stat_IfInMBUFDiscards),
  5429. STATS_OFFSET32(stat_FwRxDrop),
  5430. };
  5431. /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
  5432. * skipped because of errata.
  5433. */
  5434. static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
  5435. 8,0,8,8,8,8,8,8,8,8,
  5436. 4,0,4,4,4,4,4,4,4,4,
  5437. 4,4,4,4,4,4,4,4,4,4,
  5438. 4,4,4,4,4,4,4,4,4,4,
  5439. 4,4,4,4,4,4,
  5440. };
  5441. static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
  5442. 8,0,8,8,8,8,8,8,8,8,
  5443. 4,4,4,4,4,4,4,4,4,4,
  5444. 4,4,4,4,4,4,4,4,4,4,
  5445. 4,4,4,4,4,4,4,4,4,4,
  5446. 4,4,4,4,4,4,
  5447. };
  5448. #define BNX2_NUM_TESTS 6
  5449. static struct {
  5450. char string[ETH_GSTRING_LEN];
  5451. } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
  5452. { "register_test (offline)" },
  5453. { "memory_test (offline)" },
  5454. { "loopback_test (offline)" },
  5455. { "nvram_test (online)" },
  5456. { "interrupt_test (online)" },
  5457. { "link_test (online)" },
  5458. };
  5459. static int
  5460. bnx2_get_sset_count(struct net_device *dev, int sset)
  5461. {
  5462. switch (sset) {
  5463. case ETH_SS_TEST:
  5464. return BNX2_NUM_TESTS;
  5465. case ETH_SS_STATS:
  5466. return BNX2_NUM_STATS;
  5467. default:
  5468. return -EOPNOTSUPP;
  5469. }
  5470. }
  5471. static void
  5472. bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
  5473. {
  5474. struct bnx2 *bp = netdev_priv(dev);
  5475. memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
  5476. if (etest->flags & ETH_TEST_FL_OFFLINE) {
  5477. int i;
  5478. bnx2_netif_stop(bp);
  5479. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
  5480. bnx2_free_skbs(bp);
  5481. if (bnx2_test_registers(bp) != 0) {
  5482. buf[0] = 1;
  5483. etest->flags |= ETH_TEST_FL_FAILED;
  5484. }
  5485. if (bnx2_test_memory(bp) != 0) {
  5486. buf[1] = 1;
  5487. etest->flags |= ETH_TEST_FL_FAILED;
  5488. }
  5489. if ((buf[2] = bnx2_test_loopback(bp)) != 0)
  5490. etest->flags |= ETH_TEST_FL_FAILED;
  5491. if (!netif_running(bp->dev)) {
  5492. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
  5493. }
  5494. else {
  5495. bnx2_init_nic(bp);
  5496. bnx2_netif_start(bp);
  5497. }
  5498. /* wait for link up */
  5499. for (i = 0; i < 7; i++) {
  5500. if (bp->link_up)
  5501. break;
  5502. msleep_interruptible(1000);
  5503. }
  5504. }
  5505. if (bnx2_test_nvram(bp) != 0) {
  5506. buf[3] = 1;
  5507. etest->flags |= ETH_TEST_FL_FAILED;
  5508. }
  5509. if (bnx2_test_intr(bp) != 0) {
  5510. buf[4] = 1;
  5511. etest->flags |= ETH_TEST_FL_FAILED;
  5512. }
  5513. if (bnx2_test_link(bp) != 0) {
  5514. buf[5] = 1;
  5515. etest->flags |= ETH_TEST_FL_FAILED;
  5516. }
  5517. }
  5518. static void
  5519. bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
  5520. {
  5521. switch (stringset) {
  5522. case ETH_SS_STATS:
  5523. memcpy(buf, bnx2_stats_str_arr,
  5524. sizeof(bnx2_stats_str_arr));
  5525. break;
  5526. case ETH_SS_TEST:
  5527. memcpy(buf, bnx2_tests_str_arr,
  5528. sizeof(bnx2_tests_str_arr));
  5529. break;
  5530. }
  5531. }
  5532. static void
  5533. bnx2_get_ethtool_stats(struct net_device *dev,
  5534. struct ethtool_stats *stats, u64 *buf)
  5535. {
  5536. struct bnx2 *bp = netdev_priv(dev);
  5537. int i;
  5538. u32 *hw_stats = (u32 *) bp->stats_blk;
  5539. u8 *stats_len_arr = NULL;
  5540. if (hw_stats == NULL) {
  5541. memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
  5542. return;
  5543. }
  5544. if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
  5545. (CHIP_ID(bp) == CHIP_ID_5706_A1) ||
  5546. (CHIP_ID(bp) == CHIP_ID_5706_A2) ||
  5547. (CHIP_ID(bp) == CHIP_ID_5708_A0))
  5548. stats_len_arr = bnx2_5706_stats_len_arr;
  5549. else
  5550. stats_len_arr = bnx2_5708_stats_len_arr;
  5551. for (i = 0; i < BNX2_NUM_STATS; i++) {
  5552. if (stats_len_arr[i] == 0) {
  5553. /* skip this counter */
  5554. buf[i] = 0;
  5555. continue;
  5556. }
  5557. if (stats_len_arr[i] == 4) {
  5558. /* 4-byte counter */
  5559. buf[i] = (u64)
  5560. *(hw_stats + bnx2_stats_offset_arr[i]);
  5561. continue;
  5562. }
  5563. /* 8-byte counter */
  5564. buf[i] = (((u64) *(hw_stats +
  5565. bnx2_stats_offset_arr[i])) << 32) +
  5566. *(hw_stats + bnx2_stats_offset_arr[i] + 1);
  5567. }
  5568. }
  5569. static int
  5570. bnx2_phys_id(struct net_device *dev, u32 data)
  5571. {
  5572. struct bnx2 *bp = netdev_priv(dev);
  5573. int i;
  5574. u32 save;
  5575. if (data == 0)
  5576. data = 2;
  5577. save = REG_RD(bp, BNX2_MISC_CFG);
  5578. REG_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
  5579. for (i = 0; i < (data * 2); i++) {
  5580. if ((i % 2) == 0) {
  5581. REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
  5582. }
  5583. else {
  5584. REG_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
  5585. BNX2_EMAC_LED_1000MB_OVERRIDE |
  5586. BNX2_EMAC_LED_100MB_OVERRIDE |
  5587. BNX2_EMAC_LED_10MB_OVERRIDE |
  5588. BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
  5589. BNX2_EMAC_LED_TRAFFIC);
  5590. }
  5591. msleep_interruptible(500);
  5592. if (signal_pending(current))
  5593. break;
  5594. }
  5595. REG_WR(bp, BNX2_EMAC_LED, 0);
  5596. REG_WR(bp, BNX2_MISC_CFG, save);
  5597. return 0;
  5598. }
  5599. static int
  5600. bnx2_set_tx_csum(struct net_device *dev, u32 data)
  5601. {
  5602. struct bnx2 *bp = netdev_priv(dev);
  5603. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  5604. return (ethtool_op_set_tx_ipv6_csum(dev, data));
  5605. else
  5606. return (ethtool_op_set_tx_csum(dev, data));
  5607. }
  5608. static const struct ethtool_ops bnx2_ethtool_ops = {
  5609. .get_settings = bnx2_get_settings,
  5610. .set_settings = bnx2_set_settings,
  5611. .get_drvinfo = bnx2_get_drvinfo,
  5612. .get_regs_len = bnx2_get_regs_len,
  5613. .get_regs = bnx2_get_regs,
  5614. .get_wol = bnx2_get_wol,
  5615. .set_wol = bnx2_set_wol,
  5616. .nway_reset = bnx2_nway_reset,
  5617. .get_link = ethtool_op_get_link,
  5618. .get_eeprom_len = bnx2_get_eeprom_len,
  5619. .get_eeprom = bnx2_get_eeprom,
  5620. .set_eeprom = bnx2_set_eeprom,
  5621. .get_coalesce = bnx2_get_coalesce,
  5622. .set_coalesce = bnx2_set_coalesce,
  5623. .get_ringparam = bnx2_get_ringparam,
  5624. .set_ringparam = bnx2_set_ringparam,
  5625. .get_pauseparam = bnx2_get_pauseparam,
  5626. .set_pauseparam = bnx2_set_pauseparam,
  5627. .get_rx_csum = bnx2_get_rx_csum,
  5628. .set_rx_csum = bnx2_set_rx_csum,
  5629. .set_tx_csum = bnx2_set_tx_csum,
  5630. .set_sg = ethtool_op_set_sg,
  5631. .set_tso = bnx2_set_tso,
  5632. .self_test = bnx2_self_test,
  5633. .get_strings = bnx2_get_strings,
  5634. .phys_id = bnx2_phys_id,
  5635. .get_ethtool_stats = bnx2_get_ethtool_stats,
  5636. .get_sset_count = bnx2_get_sset_count,
  5637. };
  5638. /* Called with rtnl_lock */
  5639. static int
  5640. bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  5641. {
  5642. struct mii_ioctl_data *data = if_mii(ifr);
  5643. struct bnx2 *bp = netdev_priv(dev);
  5644. int err;
  5645. switch(cmd) {
  5646. case SIOCGMIIPHY:
  5647. data->phy_id = bp->phy_addr;
  5648. /* fallthru */
  5649. case SIOCGMIIREG: {
  5650. u32 mii_regval;
  5651. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  5652. return -EOPNOTSUPP;
  5653. if (!netif_running(dev))
  5654. return -EAGAIN;
  5655. spin_lock_bh(&bp->phy_lock);
  5656. err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
  5657. spin_unlock_bh(&bp->phy_lock);
  5658. data->val_out = mii_regval;
  5659. return err;
  5660. }
  5661. case SIOCSMIIREG:
  5662. if (!capable(CAP_NET_ADMIN))
  5663. return -EPERM;
  5664. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  5665. return -EOPNOTSUPP;
  5666. if (!netif_running(dev))
  5667. return -EAGAIN;
  5668. spin_lock_bh(&bp->phy_lock);
  5669. err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
  5670. spin_unlock_bh(&bp->phy_lock);
  5671. return err;
  5672. default:
  5673. /* do nothing */
  5674. break;
  5675. }
  5676. return -EOPNOTSUPP;
  5677. }
  5678. /* Called with rtnl_lock */
  5679. static int
  5680. bnx2_change_mac_addr(struct net_device *dev, void *p)
  5681. {
  5682. struct sockaddr *addr = p;
  5683. struct bnx2 *bp = netdev_priv(dev);
  5684. if (!is_valid_ether_addr(addr->sa_data))
  5685. return -EINVAL;
  5686. memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
  5687. if (netif_running(dev))
  5688. bnx2_set_mac_addr(bp);
  5689. return 0;
  5690. }
  5691. /* Called with rtnl_lock */
  5692. static int
  5693. bnx2_change_mtu(struct net_device *dev, int new_mtu)
  5694. {
  5695. struct bnx2 *bp = netdev_priv(dev);
  5696. if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
  5697. ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
  5698. return -EINVAL;
  5699. dev->mtu = new_mtu;
  5700. return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
  5701. }
  5702. #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
  5703. static void
  5704. poll_bnx2(struct net_device *dev)
  5705. {
  5706. struct bnx2 *bp = netdev_priv(dev);
  5707. disable_irq(bp->pdev->irq);
  5708. bnx2_interrupt(bp->pdev->irq, dev);
  5709. enable_irq(bp->pdev->irq);
  5710. }
  5711. #endif
  5712. static void __devinit
  5713. bnx2_get_5709_media(struct bnx2 *bp)
  5714. {
  5715. u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
  5716. u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
  5717. u32 strap;
  5718. if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
  5719. return;
  5720. else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
  5721. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  5722. return;
  5723. }
  5724. if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
  5725. strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
  5726. else
  5727. strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
  5728. if (PCI_FUNC(bp->pdev->devfn) == 0) {
  5729. switch (strap) {
  5730. case 0x4:
  5731. case 0x5:
  5732. case 0x6:
  5733. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  5734. return;
  5735. }
  5736. } else {
  5737. switch (strap) {
  5738. case 0x1:
  5739. case 0x2:
  5740. case 0x4:
  5741. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  5742. return;
  5743. }
  5744. }
  5745. }
  5746. static void __devinit
  5747. bnx2_get_pci_speed(struct bnx2 *bp)
  5748. {
  5749. u32 reg;
  5750. reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
  5751. if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
  5752. u32 clkreg;
  5753. bp->flags |= BNX2_FLAG_PCIX;
  5754. clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
  5755. clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
  5756. switch (clkreg) {
  5757. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
  5758. bp->bus_speed_mhz = 133;
  5759. break;
  5760. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
  5761. bp->bus_speed_mhz = 100;
  5762. break;
  5763. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
  5764. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
  5765. bp->bus_speed_mhz = 66;
  5766. break;
  5767. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
  5768. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
  5769. bp->bus_speed_mhz = 50;
  5770. break;
  5771. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
  5772. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
  5773. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
  5774. bp->bus_speed_mhz = 33;
  5775. break;
  5776. }
  5777. }
  5778. else {
  5779. if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
  5780. bp->bus_speed_mhz = 66;
  5781. else
  5782. bp->bus_speed_mhz = 33;
  5783. }
  5784. if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
  5785. bp->flags |= BNX2_FLAG_PCI_32BIT;
  5786. }
  5787. static int __devinit
  5788. bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
  5789. {
  5790. struct bnx2 *bp;
  5791. unsigned long mem_len;
  5792. int rc, i, j;
  5793. u32 reg;
  5794. u64 dma_mask, persist_dma_mask;
  5795. SET_NETDEV_DEV(dev, &pdev->dev);
  5796. bp = netdev_priv(dev);
  5797. bp->flags = 0;
  5798. bp->phy_flags = 0;
  5799. /* enable device (incl. PCI PM wakeup), and bus-mastering */
  5800. rc = pci_enable_device(pdev);
  5801. if (rc) {
  5802. dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n");
  5803. goto err_out;
  5804. }
  5805. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  5806. dev_err(&pdev->dev,
  5807. "Cannot find PCI device base address, aborting.\n");
  5808. rc = -ENODEV;
  5809. goto err_out_disable;
  5810. }
  5811. rc = pci_request_regions(pdev, DRV_MODULE_NAME);
  5812. if (rc) {
  5813. dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
  5814. goto err_out_disable;
  5815. }
  5816. pci_set_master(pdev);
  5817. bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
  5818. if (bp->pm_cap == 0) {
  5819. dev_err(&pdev->dev,
  5820. "Cannot find power management capability, aborting.\n");
  5821. rc = -EIO;
  5822. goto err_out_release;
  5823. }
  5824. bp->dev = dev;
  5825. bp->pdev = pdev;
  5826. spin_lock_init(&bp->phy_lock);
  5827. spin_lock_init(&bp->indirect_lock);
  5828. INIT_WORK(&bp->reset_task, bnx2_reset_task);
  5829. dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
  5830. mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1);
  5831. dev->mem_end = dev->mem_start + mem_len;
  5832. dev->irq = pdev->irq;
  5833. bp->regview = ioremap_nocache(dev->base_addr, mem_len);
  5834. if (!bp->regview) {
  5835. dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
  5836. rc = -ENOMEM;
  5837. goto err_out_release;
  5838. }
  5839. /* Configure byte swap and enable write to the reg_window registers.
  5840. * Rely on CPU to do target byte swapping on big endian systems
  5841. * The chip's target access swapping will not swap all accesses
  5842. */
  5843. pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
  5844. BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  5845. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
  5846. bnx2_set_power_state(bp, PCI_D0);
  5847. bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
  5848. if (CHIP_NUM(bp) == CHIP_NUM_5709) {
  5849. if (pci_find_capability(pdev, PCI_CAP_ID_EXP) == 0) {
  5850. dev_err(&pdev->dev,
  5851. "Cannot find PCIE capability, aborting.\n");
  5852. rc = -EIO;
  5853. goto err_out_unmap;
  5854. }
  5855. bp->flags |= BNX2_FLAG_PCIE;
  5856. if (CHIP_REV(bp) == CHIP_REV_Ax)
  5857. bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
  5858. } else {
  5859. bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
  5860. if (bp->pcix_cap == 0) {
  5861. dev_err(&pdev->dev,
  5862. "Cannot find PCIX capability, aborting.\n");
  5863. rc = -EIO;
  5864. goto err_out_unmap;
  5865. }
  5866. }
  5867. if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
  5868. if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
  5869. bp->flags |= BNX2_FLAG_MSIX_CAP;
  5870. }
  5871. if (CHIP_ID(bp) != CHIP_ID_5706_A0 && CHIP_ID(bp) != CHIP_ID_5706_A1) {
  5872. if (pci_find_capability(pdev, PCI_CAP_ID_MSI))
  5873. bp->flags |= BNX2_FLAG_MSI_CAP;
  5874. }
  5875. /* 5708 cannot support DMA addresses > 40-bit. */
  5876. if (CHIP_NUM(bp) == CHIP_NUM_5708)
  5877. persist_dma_mask = dma_mask = DMA_40BIT_MASK;
  5878. else
  5879. persist_dma_mask = dma_mask = DMA_64BIT_MASK;
  5880. /* Configure DMA attributes. */
  5881. if (pci_set_dma_mask(pdev, dma_mask) == 0) {
  5882. dev->features |= NETIF_F_HIGHDMA;
  5883. rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
  5884. if (rc) {
  5885. dev_err(&pdev->dev,
  5886. "pci_set_consistent_dma_mask failed, aborting.\n");
  5887. goto err_out_unmap;
  5888. }
  5889. } else if ((rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) {
  5890. dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
  5891. goto err_out_unmap;
  5892. }
  5893. if (!(bp->flags & BNX2_FLAG_PCIE))
  5894. bnx2_get_pci_speed(bp);
  5895. /* 5706A0 may falsely detect SERR and PERR. */
  5896. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  5897. reg = REG_RD(bp, PCI_COMMAND);
  5898. reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
  5899. REG_WR(bp, PCI_COMMAND, reg);
  5900. }
  5901. else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
  5902. !(bp->flags & BNX2_FLAG_PCIX)) {
  5903. dev_err(&pdev->dev,
  5904. "5706 A1 can only be used in a PCIX bus, aborting.\n");
  5905. goto err_out_unmap;
  5906. }
  5907. bnx2_init_nvram(bp);
  5908. reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
  5909. if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
  5910. BNX2_SHM_HDR_SIGNATURE_SIG) {
  5911. u32 off = PCI_FUNC(pdev->devfn) << 2;
  5912. bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
  5913. } else
  5914. bp->shmem_base = HOST_VIEW_SHMEM_BASE;
  5915. /* Get the permanent MAC address. First we need to make sure the
  5916. * firmware is actually running.
  5917. */
  5918. reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
  5919. if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
  5920. BNX2_DEV_INFO_SIGNATURE_MAGIC) {
  5921. dev_err(&pdev->dev, "Firmware not running, aborting.\n");
  5922. rc = -ENODEV;
  5923. goto err_out_unmap;
  5924. }
  5925. reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
  5926. for (i = 0, j = 0; i < 3; i++) {
  5927. u8 num, k, skip0;
  5928. num = (u8) (reg >> (24 - (i * 8)));
  5929. for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
  5930. if (num >= k || !skip0 || k == 1) {
  5931. bp->fw_version[j++] = (num / k) + '0';
  5932. skip0 = 0;
  5933. }
  5934. }
  5935. if (i != 2)
  5936. bp->fw_version[j++] = '.';
  5937. }
  5938. reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
  5939. if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
  5940. bp->wol = 1;
  5941. if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
  5942. bp->flags |= BNX2_FLAG_ASF_ENABLE;
  5943. for (i = 0; i < 30; i++) {
  5944. reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
  5945. if (reg & BNX2_CONDITION_MFW_RUN_MASK)
  5946. break;
  5947. msleep(10);
  5948. }
  5949. }
  5950. reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
  5951. reg &= BNX2_CONDITION_MFW_RUN_MASK;
  5952. if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
  5953. reg != BNX2_CONDITION_MFW_RUN_NONE) {
  5954. int i;
  5955. u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
  5956. bp->fw_version[j++] = ' ';
  5957. for (i = 0; i < 3; i++) {
  5958. reg = bnx2_reg_rd_ind(bp, addr + i * 4);
  5959. reg = swab32(reg);
  5960. memcpy(&bp->fw_version[j], &reg, 4);
  5961. j += 4;
  5962. }
  5963. }
  5964. reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
  5965. bp->mac_addr[0] = (u8) (reg >> 8);
  5966. bp->mac_addr[1] = (u8) reg;
  5967. reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
  5968. bp->mac_addr[2] = (u8) (reg >> 24);
  5969. bp->mac_addr[3] = (u8) (reg >> 16);
  5970. bp->mac_addr[4] = (u8) (reg >> 8);
  5971. bp->mac_addr[5] = (u8) reg;
  5972. bp->rx_offset = sizeof(struct l2_fhdr) + 2;
  5973. bp->tx_ring_size = MAX_TX_DESC_CNT;
  5974. bnx2_set_rx_ring_size(bp, 255);
  5975. bp->rx_csum = 1;
  5976. bp->tx_quick_cons_trip_int = 20;
  5977. bp->tx_quick_cons_trip = 20;
  5978. bp->tx_ticks_int = 80;
  5979. bp->tx_ticks = 80;
  5980. bp->rx_quick_cons_trip_int = 6;
  5981. bp->rx_quick_cons_trip = 6;
  5982. bp->rx_ticks_int = 18;
  5983. bp->rx_ticks = 18;
  5984. bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  5985. bp->timer_interval = HZ;
  5986. bp->current_interval = HZ;
  5987. bp->phy_addr = 1;
  5988. /* Disable WOL support if we are running on a SERDES chip. */
  5989. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  5990. bnx2_get_5709_media(bp);
  5991. else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT)
  5992. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  5993. bp->phy_port = PORT_TP;
  5994. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  5995. bp->phy_port = PORT_FIBRE;
  5996. reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
  5997. if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
  5998. bp->flags |= BNX2_FLAG_NO_WOL;
  5999. bp->wol = 0;
  6000. }
  6001. if (CHIP_NUM(bp) == CHIP_NUM_5706) {
  6002. /* Don't do parallel detect on this board because of
  6003. * some board problems. The link will not go down
  6004. * if we do parallel detect.
  6005. */
  6006. if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
  6007. pdev->subsystem_device == 0x310c)
  6008. bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
  6009. } else {
  6010. bp->phy_addr = 2;
  6011. if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
  6012. bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
  6013. }
  6014. bnx2_init_remote_phy(bp);
  6015. } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
  6016. CHIP_NUM(bp) == CHIP_NUM_5708)
  6017. bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
  6018. else if (CHIP_NUM(bp) == CHIP_NUM_5709 &&
  6019. (CHIP_REV(bp) == CHIP_REV_Ax ||
  6020. CHIP_REV(bp) == CHIP_REV_Bx))
  6021. bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
  6022. if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
  6023. (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
  6024. (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
  6025. bp->flags |= BNX2_FLAG_NO_WOL;
  6026. bp->wol = 0;
  6027. }
  6028. if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
  6029. bp->tx_quick_cons_trip_int =
  6030. bp->tx_quick_cons_trip;
  6031. bp->tx_ticks_int = bp->tx_ticks;
  6032. bp->rx_quick_cons_trip_int =
  6033. bp->rx_quick_cons_trip;
  6034. bp->rx_ticks_int = bp->rx_ticks;
  6035. bp->comp_prod_trip_int = bp->comp_prod_trip;
  6036. bp->com_ticks_int = bp->com_ticks;
  6037. bp->cmd_ticks_int = bp->cmd_ticks;
  6038. }
  6039. /* Disable MSI on 5706 if AMD 8132 bridge is found.
  6040. *
  6041. * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
  6042. * with byte enables disabled on the unused 32-bit word. This is legal
  6043. * but causes problems on the AMD 8132 which will eventually stop
  6044. * responding after a while.
  6045. *
  6046. * AMD believes this incompatibility is unique to the 5706, and
  6047. * prefers to locally disable MSI rather than globally disabling it.
  6048. */
  6049. if (CHIP_NUM(bp) == CHIP_NUM_5706 && disable_msi == 0) {
  6050. struct pci_dev *amd_8132 = NULL;
  6051. while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
  6052. PCI_DEVICE_ID_AMD_8132_BRIDGE,
  6053. amd_8132))) {
  6054. if (amd_8132->revision >= 0x10 &&
  6055. amd_8132->revision <= 0x13) {
  6056. disable_msi = 1;
  6057. pci_dev_put(amd_8132);
  6058. break;
  6059. }
  6060. }
  6061. }
  6062. bnx2_set_default_link(bp);
  6063. bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
  6064. init_timer(&bp->timer);
  6065. bp->timer.expires = RUN_AT(bp->timer_interval);
  6066. bp->timer.data = (unsigned long) bp;
  6067. bp->timer.function = bnx2_timer;
  6068. return 0;
  6069. err_out_unmap:
  6070. if (bp->regview) {
  6071. iounmap(bp->regview);
  6072. bp->regview = NULL;
  6073. }
  6074. err_out_release:
  6075. pci_release_regions(pdev);
  6076. err_out_disable:
  6077. pci_disable_device(pdev);
  6078. pci_set_drvdata(pdev, NULL);
  6079. err_out:
  6080. return rc;
  6081. }
  6082. static char * __devinit
  6083. bnx2_bus_string(struct bnx2 *bp, char *str)
  6084. {
  6085. char *s = str;
  6086. if (bp->flags & BNX2_FLAG_PCIE) {
  6087. s += sprintf(s, "PCI Express");
  6088. } else {
  6089. s += sprintf(s, "PCI");
  6090. if (bp->flags & BNX2_FLAG_PCIX)
  6091. s += sprintf(s, "-X");
  6092. if (bp->flags & BNX2_FLAG_PCI_32BIT)
  6093. s += sprintf(s, " 32-bit");
  6094. else
  6095. s += sprintf(s, " 64-bit");
  6096. s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
  6097. }
  6098. return str;
  6099. }
  6100. static void __devinit
  6101. bnx2_init_napi(struct bnx2 *bp)
  6102. {
  6103. int i;
  6104. struct bnx2_napi *bnapi;
  6105. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
  6106. bnapi = &bp->bnx2_napi[i];
  6107. bnapi->bp = bp;
  6108. }
  6109. netif_napi_add(bp->dev, &bp->bnx2_napi[0].napi, bnx2_poll, 64);
  6110. netif_napi_add(bp->dev, &bp->bnx2_napi[BNX2_TX_VEC].napi, bnx2_tx_poll,
  6111. 64);
  6112. }
  6113. static int __devinit
  6114. bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
  6115. {
  6116. static int version_printed = 0;
  6117. struct net_device *dev = NULL;
  6118. struct bnx2 *bp;
  6119. int rc;
  6120. char str[40];
  6121. DECLARE_MAC_BUF(mac);
  6122. if (version_printed++ == 0)
  6123. printk(KERN_INFO "%s", version);
  6124. /* dev zeroed in init_etherdev */
  6125. dev = alloc_etherdev(sizeof(*bp));
  6126. if (!dev)
  6127. return -ENOMEM;
  6128. rc = bnx2_init_board(pdev, dev);
  6129. if (rc < 0) {
  6130. free_netdev(dev);
  6131. return rc;
  6132. }
  6133. dev->open = bnx2_open;
  6134. dev->hard_start_xmit = bnx2_start_xmit;
  6135. dev->stop = bnx2_close;
  6136. dev->get_stats = bnx2_get_stats;
  6137. dev->set_multicast_list = bnx2_set_rx_mode;
  6138. dev->do_ioctl = bnx2_ioctl;
  6139. dev->set_mac_address = bnx2_change_mac_addr;
  6140. dev->change_mtu = bnx2_change_mtu;
  6141. dev->tx_timeout = bnx2_tx_timeout;
  6142. dev->watchdog_timeo = TX_TIMEOUT;
  6143. #ifdef BCM_VLAN
  6144. dev->vlan_rx_register = bnx2_vlan_rx_register;
  6145. #endif
  6146. dev->ethtool_ops = &bnx2_ethtool_ops;
  6147. bp = netdev_priv(dev);
  6148. bnx2_init_napi(bp);
  6149. #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
  6150. dev->poll_controller = poll_bnx2;
  6151. #endif
  6152. pci_set_drvdata(pdev, dev);
  6153. memcpy(dev->dev_addr, bp->mac_addr, 6);
  6154. memcpy(dev->perm_addr, bp->mac_addr, 6);
  6155. bp->name = board_info[ent->driver_data].name;
  6156. dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
  6157. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  6158. dev->features |= NETIF_F_IPV6_CSUM;
  6159. #ifdef BCM_VLAN
  6160. dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
  6161. #endif
  6162. dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
  6163. if (CHIP_NUM(bp) == CHIP_NUM_5709)
  6164. dev->features |= NETIF_F_TSO6;
  6165. if ((rc = register_netdev(dev))) {
  6166. dev_err(&pdev->dev, "Cannot register net device\n");
  6167. if (bp->regview)
  6168. iounmap(bp->regview);
  6169. pci_release_regions(pdev);
  6170. pci_disable_device(pdev);
  6171. pci_set_drvdata(pdev, NULL);
  6172. free_netdev(dev);
  6173. return rc;
  6174. }
  6175. printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
  6176. "IRQ %d, node addr %s\n",
  6177. dev->name,
  6178. bp->name,
  6179. ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
  6180. ((CHIP_ID(bp) & 0x0ff0) >> 4),
  6181. bnx2_bus_string(bp, str),
  6182. dev->base_addr,
  6183. bp->pdev->irq, print_mac(mac, dev->dev_addr));
  6184. return 0;
  6185. }
  6186. static void __devexit
  6187. bnx2_remove_one(struct pci_dev *pdev)
  6188. {
  6189. struct net_device *dev = pci_get_drvdata(pdev);
  6190. struct bnx2 *bp = netdev_priv(dev);
  6191. flush_scheduled_work();
  6192. unregister_netdev(dev);
  6193. if (bp->regview)
  6194. iounmap(bp->regview);
  6195. free_netdev(dev);
  6196. pci_release_regions(pdev);
  6197. pci_disable_device(pdev);
  6198. pci_set_drvdata(pdev, NULL);
  6199. }
  6200. static int
  6201. bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
  6202. {
  6203. struct net_device *dev = pci_get_drvdata(pdev);
  6204. struct bnx2 *bp = netdev_priv(dev);
  6205. u32 reset_code;
  6206. /* PCI register 4 needs to be saved whether netif_running() or not.
  6207. * MSI address and data need to be saved if using MSI and
  6208. * netif_running().
  6209. */
  6210. pci_save_state(pdev);
  6211. if (!netif_running(dev))
  6212. return 0;
  6213. flush_scheduled_work();
  6214. bnx2_netif_stop(bp);
  6215. netif_device_detach(dev);
  6216. del_timer_sync(&bp->timer);
  6217. if (bp->flags & BNX2_FLAG_NO_WOL)
  6218. reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
  6219. else if (bp->wol)
  6220. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  6221. else
  6222. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  6223. bnx2_reset_chip(bp, reset_code);
  6224. bnx2_free_skbs(bp);
  6225. bnx2_set_power_state(bp, pci_choose_state(pdev, state));
  6226. return 0;
  6227. }
  6228. static int
  6229. bnx2_resume(struct pci_dev *pdev)
  6230. {
  6231. struct net_device *dev = pci_get_drvdata(pdev);
  6232. struct bnx2 *bp = netdev_priv(dev);
  6233. pci_restore_state(pdev);
  6234. if (!netif_running(dev))
  6235. return 0;
  6236. bnx2_set_power_state(bp, PCI_D0);
  6237. netif_device_attach(dev);
  6238. bnx2_init_nic(bp);
  6239. bnx2_netif_start(bp);
  6240. return 0;
  6241. }
  6242. static struct pci_driver bnx2_pci_driver = {
  6243. .name = DRV_MODULE_NAME,
  6244. .id_table = bnx2_pci_tbl,
  6245. .probe = bnx2_init_one,
  6246. .remove = __devexit_p(bnx2_remove_one),
  6247. .suspend = bnx2_suspend,
  6248. .resume = bnx2_resume,
  6249. };
  6250. static int __init bnx2_init(void)
  6251. {
  6252. return pci_register_driver(&bnx2_pci_driver);
  6253. }
  6254. static void __exit bnx2_cleanup(void)
  6255. {
  6256. pci_unregister_driver(&bnx2_pci_driver);
  6257. }
  6258. module_init(bnx2_init);
  6259. module_exit(bnx2_cleanup);