bnx2.c 216 KB

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  1. /* bnx2.c: QLogic bnx2 network driver.
  2. *
  3. * Copyright (c) 2004-2014 Broadcom Corporation
  4. * Copyright (c) 2014-2015 QLogic Corporation
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation.
  9. *
  10. * Written by: Michael Chan (mchan@broadcom.com)
  11. */
  12. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  13. #include <linux/module.h>
  14. #include <linux/moduleparam.h>
  15. #include <linux/stringify.h>
  16. #include <linux/kernel.h>
  17. #include <linux/timer.h>
  18. #include <linux/errno.h>
  19. #include <linux/ioport.h>
  20. #include <linux/slab.h>
  21. #include <linux/vmalloc.h>
  22. #include <linux/interrupt.h>
  23. #include <linux/pci.h>
  24. #include <linux/netdevice.h>
  25. #include <linux/etherdevice.h>
  26. #include <linux/skbuff.h>
  27. #include <linux/dma-mapping.h>
  28. #include <linux/bitops.h>
  29. #include <asm/io.h>
  30. #include <asm/irq.h>
  31. #include <linux/delay.h>
  32. #include <asm/byteorder.h>
  33. #include <asm/page.h>
  34. #include <linux/time.h>
  35. #include <linux/ethtool.h>
  36. #include <linux/mii.h>
  37. #include <linux/if.h>
  38. #include <linux/if_vlan.h>
  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/firmware.h>
  47. #include <linux/log2.h>
  48. #include <linux/aer.h>
  49. #include <linux/crash_dump.h>
  50. #if IS_ENABLED(CONFIG_CNIC)
  51. #define BCM_CNIC 1
  52. #include "cnic_if.h"
  53. #endif
  54. #include "bnx2.h"
  55. #include "bnx2_fw.h"
  56. #define DRV_MODULE_NAME "bnx2"
  57. #define DRV_MODULE_VERSION "2.2.6"
  58. #define DRV_MODULE_RELDATE "January 29, 2014"
  59. #define FW_MIPS_FILE_06 "/*(DEBLOBBED)*/"
  60. #define FW_RV2P_FILE_06 "/*(DEBLOBBED)*/"
  61. #define FW_MIPS_FILE_09 "/*(DEBLOBBED)*/"
  62. #define FW_RV2P_FILE_09_Ax "/*(DEBLOBBED)*/"
  63. #define FW_RV2P_FILE_09 "/*(DEBLOBBED)*/"
  64. #define RUN_AT(x) (jiffies + (x))
  65. /* Time in jiffies before concluding the transmitter is hung. */
  66. #define TX_TIMEOUT (5*HZ)
  67. static char version[] =
  68. "QLogic " DRV_MODULE_NAME " Gigabit Ethernet Driver v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  69. MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
  70. MODULE_DESCRIPTION("QLogic BCM5706/5708/5709/5716 Driver");
  71. MODULE_LICENSE("GPL");
  72. MODULE_VERSION(DRV_MODULE_VERSION);
  73. /*(DEBLOBBED)*/
  74. static int disable_msi = 0;
  75. module_param(disable_msi, int, S_IRUGO);
  76. MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
  77. typedef enum {
  78. BCM5706 = 0,
  79. NC370T,
  80. NC370I,
  81. BCM5706S,
  82. NC370F,
  83. BCM5708,
  84. BCM5708S,
  85. BCM5709,
  86. BCM5709S,
  87. BCM5716,
  88. BCM5716S,
  89. } board_t;
  90. /* indexed by board_t, above */
  91. static struct {
  92. char *name;
  93. } board_info[] = {
  94. { "Broadcom NetXtreme II BCM5706 1000Base-T" },
  95. { "HP NC370T Multifunction Gigabit Server Adapter" },
  96. { "HP NC370i Multifunction Gigabit Server Adapter" },
  97. { "Broadcom NetXtreme II BCM5706 1000Base-SX" },
  98. { "HP NC370F Multifunction Gigabit Server Adapter" },
  99. { "Broadcom NetXtreme II BCM5708 1000Base-T" },
  100. { "Broadcom NetXtreme II BCM5708 1000Base-SX" },
  101. { "Broadcom NetXtreme II BCM5709 1000Base-T" },
  102. { "Broadcom NetXtreme II BCM5709 1000Base-SX" },
  103. { "Broadcom NetXtreme II BCM5716 1000Base-T" },
  104. { "Broadcom NetXtreme II BCM5716 1000Base-SX" },
  105. };
  106. static const struct pci_device_id bnx2_pci_tbl[] = {
  107. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  108. PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T },
  109. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  110. PCI_VENDOR_ID_HP, 0x3106, 0, 0, NC370I },
  111. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706,
  112. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706 },
  113. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708,
  114. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708 },
  115. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  116. PCI_VENDOR_ID_HP, 0x3102, 0, 0, NC370F },
  117. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706S,
  118. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S },
  119. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S,
  120. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
  121. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
  122. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
  123. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
  124. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
  125. { PCI_VENDOR_ID_BROADCOM, 0x163b,
  126. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716 },
  127. { PCI_VENDOR_ID_BROADCOM, 0x163c,
  128. PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5716S },
  129. { 0, }
  130. };
  131. static const struct flash_spec flash_table[] =
  132. {
  133. #define BUFFERED_FLAGS (BNX2_NV_BUFFERED | BNX2_NV_TRANSLATE)
  134. #define NONBUFFERED_FLAGS (BNX2_NV_WREN)
  135. /* Slow EEPROM */
  136. {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
  137. BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
  138. SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
  139. "EEPROM - slow"},
  140. /* Expansion entry 0001 */
  141. {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
  142. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  143. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  144. "Entry 0001"},
  145. /* Saifun SA25F010 (non-buffered flash) */
  146. /* strap, cfg1, & write1 need updates */
  147. {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
  148. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  149. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
  150. "Non-buffered flash (128kB)"},
  151. /* Saifun SA25F020 (non-buffered flash) */
  152. /* strap, cfg1, & write1 need updates */
  153. {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
  154. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  155. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
  156. "Non-buffered flash (256kB)"},
  157. /* Expansion entry 0100 */
  158. {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
  159. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  160. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  161. "Entry 0100"},
  162. /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
  163. {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
  164. NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
  165. ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
  166. "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
  167. /* Entry 0110: ST M45PE20 (non-buffered flash)*/
  168. {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
  169. NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
  170. ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
  171. "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
  172. /* Saifun SA25F005 (non-buffered flash) */
  173. /* strap, cfg1, & write1 need updates */
  174. {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
  175. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  176. SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
  177. "Non-buffered flash (64kB)"},
  178. /* Fast EEPROM */
  179. {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
  180. BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
  181. SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
  182. "EEPROM - fast"},
  183. /* Expansion entry 1001 */
  184. {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
  185. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  186. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  187. "Entry 1001"},
  188. /* Expansion entry 1010 */
  189. {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
  190. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  191. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  192. "Entry 1010"},
  193. /* ATMEL AT45DB011B (buffered flash) */
  194. {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
  195. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  196. BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
  197. "Buffered flash (128kB)"},
  198. /* Expansion entry 1100 */
  199. {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
  200. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  201. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  202. "Entry 1100"},
  203. /* Expansion entry 1101 */
  204. {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
  205. NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
  206. SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
  207. "Entry 1101"},
  208. /* Ateml Expansion entry 1110 */
  209. {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
  210. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  211. BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
  212. "Entry 1110 (Atmel)"},
  213. /* ATMEL AT45DB021B (buffered flash) */
  214. {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
  215. BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
  216. BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
  217. "Buffered flash (256kB)"},
  218. };
  219. static const struct flash_spec flash_5709 = {
  220. .flags = BNX2_NV_BUFFERED,
  221. .page_bits = BCM5709_FLASH_PAGE_BITS,
  222. .page_size = BCM5709_FLASH_PAGE_SIZE,
  223. .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
  224. .total_size = BUFFERED_FLASH_TOTAL_SIZE*2,
  225. .name = "5709 Buffered flash (256kB)",
  226. };
  227. MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
  228. static void bnx2_init_napi(struct bnx2 *bp);
  229. static void bnx2_del_napi(struct bnx2 *bp);
  230. static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
  231. {
  232. u32 diff;
  233. /* Tell compiler to fetch tx_prod and tx_cons from memory. */
  234. barrier();
  235. /* The ring uses 256 indices for 255 entries, one of them
  236. * needs to be skipped.
  237. */
  238. diff = txr->tx_prod - txr->tx_cons;
  239. if (unlikely(diff >= BNX2_TX_DESC_CNT)) {
  240. diff &= 0xffff;
  241. if (diff == BNX2_TX_DESC_CNT)
  242. diff = BNX2_MAX_TX_DESC_CNT;
  243. }
  244. return bp->tx_ring_size - diff;
  245. }
  246. static u32
  247. bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
  248. {
  249. unsigned long flags;
  250. u32 val;
  251. spin_lock_irqsave(&bp->indirect_lock, flags);
  252. BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
  253. val = BNX2_RD(bp, BNX2_PCICFG_REG_WINDOW);
  254. spin_unlock_irqrestore(&bp->indirect_lock, flags);
  255. return val;
  256. }
  257. static void
  258. bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
  259. {
  260. unsigned long flags;
  261. spin_lock_irqsave(&bp->indirect_lock, flags);
  262. BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
  263. BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
  264. spin_unlock_irqrestore(&bp->indirect_lock, flags);
  265. }
  266. static void
  267. bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
  268. {
  269. bnx2_reg_wr_ind(bp, bp->shmem_base + offset, val);
  270. }
  271. static u32
  272. bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
  273. {
  274. return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
  275. }
  276. static void
  277. bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
  278. {
  279. unsigned long flags;
  280. offset += cid_addr;
  281. spin_lock_irqsave(&bp->indirect_lock, flags);
  282. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  283. int i;
  284. BNX2_WR(bp, BNX2_CTX_CTX_DATA, val);
  285. BNX2_WR(bp, BNX2_CTX_CTX_CTRL,
  286. offset | BNX2_CTX_CTX_CTRL_WRITE_REQ);
  287. for (i = 0; i < 5; i++) {
  288. val = BNX2_RD(bp, BNX2_CTX_CTX_CTRL);
  289. if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0)
  290. break;
  291. udelay(5);
  292. }
  293. } else {
  294. BNX2_WR(bp, BNX2_CTX_DATA_ADR, offset);
  295. BNX2_WR(bp, BNX2_CTX_DATA, val);
  296. }
  297. spin_unlock_irqrestore(&bp->indirect_lock, flags);
  298. }
  299. #ifdef BCM_CNIC
  300. static int
  301. bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info)
  302. {
  303. struct bnx2 *bp = netdev_priv(dev);
  304. struct drv_ctl_io *io = &info->data.io;
  305. switch (info->cmd) {
  306. case DRV_CTL_IO_WR_CMD:
  307. bnx2_reg_wr_ind(bp, io->offset, io->data);
  308. break;
  309. case DRV_CTL_IO_RD_CMD:
  310. io->data = bnx2_reg_rd_ind(bp, io->offset);
  311. break;
  312. case DRV_CTL_CTX_WR_CMD:
  313. bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data);
  314. break;
  315. default:
  316. return -EINVAL;
  317. }
  318. return 0;
  319. }
  320. static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
  321. {
  322. struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
  323. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  324. int sb_id;
  325. if (bp->flags & BNX2_FLAG_USING_MSIX) {
  326. cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
  327. bnapi->cnic_present = 0;
  328. sb_id = bp->irq_nvecs;
  329. cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
  330. } else {
  331. cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
  332. bnapi->cnic_tag = bnapi->last_status_idx;
  333. bnapi->cnic_present = 1;
  334. sb_id = 0;
  335. cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
  336. }
  337. cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector;
  338. cp->irq_arr[0].status_blk = (void *)
  339. ((unsigned long) bnapi->status_blk.msi +
  340. (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
  341. cp->irq_arr[0].status_blk_num = sb_id;
  342. cp->num_irq = 1;
  343. }
  344. static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops,
  345. void *data)
  346. {
  347. struct bnx2 *bp = netdev_priv(dev);
  348. struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
  349. if (ops == NULL)
  350. return -EINVAL;
  351. if (cp->drv_state & CNIC_DRV_STATE_REGD)
  352. return -EBUSY;
  353. if (!bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN))
  354. return -ENODEV;
  355. bp->cnic_data = data;
  356. rcu_assign_pointer(bp->cnic_ops, ops);
  357. cp->num_irq = 0;
  358. cp->drv_state = CNIC_DRV_STATE_REGD;
  359. bnx2_setup_cnic_irq_info(bp);
  360. return 0;
  361. }
  362. static int bnx2_unregister_cnic(struct net_device *dev)
  363. {
  364. struct bnx2 *bp = netdev_priv(dev);
  365. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  366. struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
  367. mutex_lock(&bp->cnic_lock);
  368. cp->drv_state = 0;
  369. bnapi->cnic_present = 0;
  370. RCU_INIT_POINTER(bp->cnic_ops, NULL);
  371. mutex_unlock(&bp->cnic_lock);
  372. synchronize_rcu();
  373. return 0;
  374. }
  375. static struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
  376. {
  377. struct bnx2 *bp = netdev_priv(dev);
  378. struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
  379. if (!cp->max_iscsi_conn)
  380. return NULL;
  381. cp->drv_owner = THIS_MODULE;
  382. cp->chip_id = bp->chip_id;
  383. cp->pdev = bp->pdev;
  384. cp->io_base = bp->regview;
  385. cp->drv_ctl = bnx2_drv_ctl;
  386. cp->drv_register_cnic = bnx2_register_cnic;
  387. cp->drv_unregister_cnic = bnx2_unregister_cnic;
  388. return cp;
  389. }
  390. static void
  391. bnx2_cnic_stop(struct bnx2 *bp)
  392. {
  393. struct cnic_ops *c_ops;
  394. struct cnic_ctl_info info;
  395. mutex_lock(&bp->cnic_lock);
  396. c_ops = rcu_dereference_protected(bp->cnic_ops,
  397. lockdep_is_held(&bp->cnic_lock));
  398. if (c_ops) {
  399. info.cmd = CNIC_CTL_STOP_CMD;
  400. c_ops->cnic_ctl(bp->cnic_data, &info);
  401. }
  402. mutex_unlock(&bp->cnic_lock);
  403. }
  404. static void
  405. bnx2_cnic_start(struct bnx2 *bp)
  406. {
  407. struct cnic_ops *c_ops;
  408. struct cnic_ctl_info info;
  409. mutex_lock(&bp->cnic_lock);
  410. c_ops = rcu_dereference_protected(bp->cnic_ops,
  411. lockdep_is_held(&bp->cnic_lock));
  412. if (c_ops) {
  413. if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
  414. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  415. bnapi->cnic_tag = bnapi->last_status_idx;
  416. }
  417. info.cmd = CNIC_CTL_START_CMD;
  418. c_ops->cnic_ctl(bp->cnic_data, &info);
  419. }
  420. mutex_unlock(&bp->cnic_lock);
  421. }
  422. #else
  423. static void
  424. bnx2_cnic_stop(struct bnx2 *bp)
  425. {
  426. }
  427. static void
  428. bnx2_cnic_start(struct bnx2 *bp)
  429. {
  430. }
  431. #endif
  432. static int
  433. bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
  434. {
  435. u32 val1;
  436. int i, ret;
  437. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  438. val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
  439. val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  440. BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  441. BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
  442. udelay(40);
  443. }
  444. val1 = (bp->phy_addr << 21) | (reg << 16) |
  445. BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
  446. BNX2_EMAC_MDIO_COMM_START_BUSY;
  447. BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
  448. for (i = 0; i < 50; i++) {
  449. udelay(10);
  450. val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
  451. if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
  452. udelay(5);
  453. val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
  454. val1 &= BNX2_EMAC_MDIO_COMM_DATA;
  455. break;
  456. }
  457. }
  458. if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
  459. *val = 0x0;
  460. ret = -EBUSY;
  461. }
  462. else {
  463. *val = val1;
  464. ret = 0;
  465. }
  466. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  467. val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
  468. val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  469. BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  470. BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
  471. udelay(40);
  472. }
  473. return ret;
  474. }
  475. static int
  476. bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
  477. {
  478. u32 val1;
  479. int i, ret;
  480. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  481. val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
  482. val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  483. BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  484. BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
  485. udelay(40);
  486. }
  487. val1 = (bp->phy_addr << 21) | (reg << 16) | val |
  488. BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
  489. BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
  490. BNX2_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
  491. for (i = 0; i < 50; i++) {
  492. udelay(10);
  493. val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_COMM);
  494. if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
  495. udelay(5);
  496. break;
  497. }
  498. }
  499. if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
  500. ret = -EBUSY;
  501. else
  502. ret = 0;
  503. if (bp->phy_flags & BNX2_PHY_FLAG_INT_MODE_AUTO_POLLING) {
  504. val1 = BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
  505. val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
  506. BNX2_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
  507. BNX2_RD(bp, BNX2_EMAC_MDIO_MODE);
  508. udelay(40);
  509. }
  510. return ret;
  511. }
  512. static void
  513. bnx2_disable_int(struct bnx2 *bp)
  514. {
  515. int i;
  516. struct bnx2_napi *bnapi;
  517. for (i = 0; i < bp->irq_nvecs; i++) {
  518. bnapi = &bp->bnx2_napi[i];
  519. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  520. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  521. }
  522. BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
  523. }
  524. static void
  525. bnx2_enable_int(struct bnx2 *bp)
  526. {
  527. int i;
  528. struct bnx2_napi *bnapi;
  529. for (i = 0; i < bp->irq_nvecs; i++) {
  530. bnapi = &bp->bnx2_napi[i];
  531. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  532. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  533. BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
  534. bnapi->last_status_idx);
  535. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  536. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  537. bnapi->last_status_idx);
  538. }
  539. BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
  540. }
  541. static void
  542. bnx2_disable_int_sync(struct bnx2 *bp)
  543. {
  544. int i;
  545. atomic_inc(&bp->intr_sem);
  546. if (!netif_running(bp->dev))
  547. return;
  548. bnx2_disable_int(bp);
  549. for (i = 0; i < bp->irq_nvecs; i++)
  550. synchronize_irq(bp->irq_tbl[i].vector);
  551. }
  552. static void
  553. bnx2_napi_disable(struct bnx2 *bp)
  554. {
  555. int i;
  556. for (i = 0; i < bp->irq_nvecs; i++)
  557. napi_disable(&bp->bnx2_napi[i].napi);
  558. }
  559. static void
  560. bnx2_napi_enable(struct bnx2 *bp)
  561. {
  562. int i;
  563. for (i = 0; i < bp->irq_nvecs; i++)
  564. napi_enable(&bp->bnx2_napi[i].napi);
  565. }
  566. static void
  567. bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
  568. {
  569. if (stop_cnic)
  570. bnx2_cnic_stop(bp);
  571. if (netif_running(bp->dev)) {
  572. bnx2_napi_disable(bp);
  573. netif_tx_disable(bp->dev);
  574. }
  575. bnx2_disable_int_sync(bp);
  576. netif_carrier_off(bp->dev); /* prevent tx timeout */
  577. }
  578. static void
  579. bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
  580. {
  581. if (atomic_dec_and_test(&bp->intr_sem)) {
  582. if (netif_running(bp->dev)) {
  583. netif_tx_wake_all_queues(bp->dev);
  584. spin_lock_bh(&bp->phy_lock);
  585. if (bp->link_up)
  586. netif_carrier_on(bp->dev);
  587. spin_unlock_bh(&bp->phy_lock);
  588. bnx2_napi_enable(bp);
  589. bnx2_enable_int(bp);
  590. if (start_cnic)
  591. bnx2_cnic_start(bp);
  592. }
  593. }
  594. }
  595. static void
  596. bnx2_free_tx_mem(struct bnx2 *bp)
  597. {
  598. int i;
  599. for (i = 0; i < bp->num_tx_rings; i++) {
  600. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  601. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  602. if (txr->tx_desc_ring) {
  603. dma_free_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
  604. txr->tx_desc_ring,
  605. txr->tx_desc_mapping);
  606. txr->tx_desc_ring = NULL;
  607. }
  608. kfree(txr->tx_buf_ring);
  609. txr->tx_buf_ring = NULL;
  610. }
  611. }
  612. static void
  613. bnx2_free_rx_mem(struct bnx2 *bp)
  614. {
  615. int i;
  616. for (i = 0; i < bp->num_rx_rings; i++) {
  617. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  618. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  619. int j;
  620. for (j = 0; j < bp->rx_max_ring; j++) {
  621. if (rxr->rx_desc_ring[j])
  622. dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
  623. rxr->rx_desc_ring[j],
  624. rxr->rx_desc_mapping[j]);
  625. rxr->rx_desc_ring[j] = NULL;
  626. }
  627. vfree(rxr->rx_buf_ring);
  628. rxr->rx_buf_ring = NULL;
  629. for (j = 0; j < bp->rx_max_pg_ring; j++) {
  630. if (rxr->rx_pg_desc_ring[j])
  631. dma_free_coherent(&bp->pdev->dev, RXBD_RING_SIZE,
  632. rxr->rx_pg_desc_ring[j],
  633. rxr->rx_pg_desc_mapping[j]);
  634. rxr->rx_pg_desc_ring[j] = NULL;
  635. }
  636. vfree(rxr->rx_pg_ring);
  637. rxr->rx_pg_ring = NULL;
  638. }
  639. }
  640. static int
  641. bnx2_alloc_tx_mem(struct bnx2 *bp)
  642. {
  643. int i;
  644. for (i = 0; i < bp->num_tx_rings; i++) {
  645. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  646. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  647. txr->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
  648. if (txr->tx_buf_ring == NULL)
  649. return -ENOMEM;
  650. txr->tx_desc_ring =
  651. dma_alloc_coherent(&bp->pdev->dev, TXBD_RING_SIZE,
  652. &txr->tx_desc_mapping, GFP_KERNEL);
  653. if (txr->tx_desc_ring == NULL)
  654. return -ENOMEM;
  655. }
  656. return 0;
  657. }
  658. static int
  659. bnx2_alloc_rx_mem(struct bnx2 *bp)
  660. {
  661. int i;
  662. for (i = 0; i < bp->num_rx_rings; i++) {
  663. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  664. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  665. int j;
  666. rxr->rx_buf_ring =
  667. vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
  668. if (rxr->rx_buf_ring == NULL)
  669. return -ENOMEM;
  670. for (j = 0; j < bp->rx_max_ring; j++) {
  671. rxr->rx_desc_ring[j] =
  672. dma_alloc_coherent(&bp->pdev->dev,
  673. RXBD_RING_SIZE,
  674. &rxr->rx_desc_mapping[j],
  675. GFP_KERNEL);
  676. if (rxr->rx_desc_ring[j] == NULL)
  677. return -ENOMEM;
  678. }
  679. if (bp->rx_pg_ring_size) {
  680. rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
  681. bp->rx_max_pg_ring);
  682. if (rxr->rx_pg_ring == NULL)
  683. return -ENOMEM;
  684. }
  685. for (j = 0; j < bp->rx_max_pg_ring; j++) {
  686. rxr->rx_pg_desc_ring[j] =
  687. dma_alloc_coherent(&bp->pdev->dev,
  688. RXBD_RING_SIZE,
  689. &rxr->rx_pg_desc_mapping[j],
  690. GFP_KERNEL);
  691. if (rxr->rx_pg_desc_ring[j] == NULL)
  692. return -ENOMEM;
  693. }
  694. }
  695. return 0;
  696. }
  697. static void
  698. bnx2_free_stats_blk(struct net_device *dev)
  699. {
  700. struct bnx2 *bp = netdev_priv(dev);
  701. if (bp->status_blk) {
  702. dma_free_coherent(&bp->pdev->dev, bp->status_stats_size,
  703. bp->status_blk,
  704. bp->status_blk_mapping);
  705. bp->status_blk = NULL;
  706. bp->stats_blk = NULL;
  707. }
  708. }
  709. static int
  710. bnx2_alloc_stats_blk(struct net_device *dev)
  711. {
  712. int status_blk_size;
  713. void *status_blk;
  714. struct bnx2 *bp = netdev_priv(dev);
  715. /* Combine status and statistics blocks into one allocation. */
  716. status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
  717. if (bp->flags & BNX2_FLAG_MSIX_CAP)
  718. status_blk_size = L1_CACHE_ALIGN(BNX2_MAX_MSIX_HW_VEC *
  719. BNX2_SBLK_MSIX_ALIGN_SIZE);
  720. bp->status_stats_size = status_blk_size +
  721. sizeof(struct statistics_block);
  722. status_blk = dma_zalloc_coherent(&bp->pdev->dev, bp->status_stats_size,
  723. &bp->status_blk_mapping, GFP_KERNEL);
  724. if (status_blk == NULL)
  725. return -ENOMEM;
  726. bp->status_blk = status_blk;
  727. bp->stats_blk = status_blk + status_blk_size;
  728. bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
  729. return 0;
  730. }
  731. static void
  732. bnx2_free_mem(struct bnx2 *bp)
  733. {
  734. int i;
  735. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  736. bnx2_free_tx_mem(bp);
  737. bnx2_free_rx_mem(bp);
  738. for (i = 0; i < bp->ctx_pages; i++) {
  739. if (bp->ctx_blk[i]) {
  740. dma_free_coherent(&bp->pdev->dev, BNX2_PAGE_SIZE,
  741. bp->ctx_blk[i],
  742. bp->ctx_blk_mapping[i]);
  743. bp->ctx_blk[i] = NULL;
  744. }
  745. }
  746. if (bnapi->status_blk.msi)
  747. bnapi->status_blk.msi = NULL;
  748. }
  749. static int
  750. bnx2_alloc_mem(struct bnx2 *bp)
  751. {
  752. int i, err;
  753. struct bnx2_napi *bnapi;
  754. bnapi = &bp->bnx2_napi[0];
  755. bnapi->status_blk.msi = bp->status_blk;
  756. bnapi->hw_tx_cons_ptr =
  757. &bnapi->status_blk.msi->status_tx_quick_consumer_index0;
  758. bnapi->hw_rx_cons_ptr =
  759. &bnapi->status_blk.msi->status_rx_quick_consumer_index0;
  760. if (bp->flags & BNX2_FLAG_MSIX_CAP) {
  761. for (i = 1; i < bp->irq_nvecs; i++) {
  762. struct status_block_msix *sblk;
  763. bnapi = &bp->bnx2_napi[i];
  764. sblk = (bp->status_blk + BNX2_SBLK_MSIX_ALIGN_SIZE * i);
  765. bnapi->status_blk.msix = sblk;
  766. bnapi->hw_tx_cons_ptr =
  767. &sblk->status_tx_quick_consumer_index;
  768. bnapi->hw_rx_cons_ptr =
  769. &sblk->status_rx_quick_consumer_index;
  770. bnapi->int_num = i << 24;
  771. }
  772. }
  773. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  774. bp->ctx_pages = 0x2000 / BNX2_PAGE_SIZE;
  775. if (bp->ctx_pages == 0)
  776. bp->ctx_pages = 1;
  777. for (i = 0; i < bp->ctx_pages; i++) {
  778. bp->ctx_blk[i] = dma_alloc_coherent(&bp->pdev->dev,
  779. BNX2_PAGE_SIZE,
  780. &bp->ctx_blk_mapping[i],
  781. GFP_KERNEL);
  782. if (bp->ctx_blk[i] == NULL)
  783. goto alloc_mem_err;
  784. }
  785. }
  786. err = bnx2_alloc_rx_mem(bp);
  787. if (err)
  788. goto alloc_mem_err;
  789. err = bnx2_alloc_tx_mem(bp);
  790. if (err)
  791. goto alloc_mem_err;
  792. return 0;
  793. alloc_mem_err:
  794. bnx2_free_mem(bp);
  795. return -ENOMEM;
  796. }
  797. static void
  798. bnx2_report_fw_link(struct bnx2 *bp)
  799. {
  800. u32 fw_link_status = 0;
  801. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  802. return;
  803. if (bp->link_up) {
  804. u32 bmsr;
  805. switch (bp->line_speed) {
  806. case SPEED_10:
  807. if (bp->duplex == DUPLEX_HALF)
  808. fw_link_status = BNX2_LINK_STATUS_10HALF;
  809. else
  810. fw_link_status = BNX2_LINK_STATUS_10FULL;
  811. break;
  812. case SPEED_100:
  813. if (bp->duplex == DUPLEX_HALF)
  814. fw_link_status = BNX2_LINK_STATUS_100HALF;
  815. else
  816. fw_link_status = BNX2_LINK_STATUS_100FULL;
  817. break;
  818. case SPEED_1000:
  819. if (bp->duplex == DUPLEX_HALF)
  820. fw_link_status = BNX2_LINK_STATUS_1000HALF;
  821. else
  822. fw_link_status = BNX2_LINK_STATUS_1000FULL;
  823. break;
  824. case SPEED_2500:
  825. if (bp->duplex == DUPLEX_HALF)
  826. fw_link_status = BNX2_LINK_STATUS_2500HALF;
  827. else
  828. fw_link_status = BNX2_LINK_STATUS_2500FULL;
  829. break;
  830. }
  831. fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
  832. if (bp->autoneg) {
  833. fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
  834. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  835. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  836. if (!(bmsr & BMSR_ANEGCOMPLETE) ||
  837. bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)
  838. fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
  839. else
  840. fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
  841. }
  842. }
  843. else
  844. fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
  845. bnx2_shmem_wr(bp, BNX2_LINK_STATUS, fw_link_status);
  846. }
  847. static char *
  848. bnx2_xceiver_str(struct bnx2 *bp)
  849. {
  850. return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
  851. ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
  852. "Copper");
  853. }
  854. static void
  855. bnx2_report_link(struct bnx2 *bp)
  856. {
  857. if (bp->link_up) {
  858. netif_carrier_on(bp->dev);
  859. netdev_info(bp->dev, "NIC %s Link is Up, %d Mbps %s duplex",
  860. bnx2_xceiver_str(bp),
  861. bp->line_speed,
  862. bp->duplex == DUPLEX_FULL ? "full" : "half");
  863. if (bp->flow_ctrl) {
  864. if (bp->flow_ctrl & FLOW_CTRL_RX) {
  865. pr_cont(", receive ");
  866. if (bp->flow_ctrl & FLOW_CTRL_TX)
  867. pr_cont("& transmit ");
  868. }
  869. else {
  870. pr_cont(", transmit ");
  871. }
  872. pr_cont("flow control ON");
  873. }
  874. pr_cont("\n");
  875. } else {
  876. netif_carrier_off(bp->dev);
  877. netdev_err(bp->dev, "NIC %s Link is Down\n",
  878. bnx2_xceiver_str(bp));
  879. }
  880. bnx2_report_fw_link(bp);
  881. }
  882. static void
  883. bnx2_resolve_flow_ctrl(struct bnx2 *bp)
  884. {
  885. u32 local_adv, remote_adv;
  886. bp->flow_ctrl = 0;
  887. if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
  888. (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
  889. if (bp->duplex == DUPLEX_FULL) {
  890. bp->flow_ctrl = bp->req_flow_ctrl;
  891. }
  892. return;
  893. }
  894. if (bp->duplex != DUPLEX_FULL) {
  895. return;
  896. }
  897. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  898. (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
  899. u32 val;
  900. bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
  901. if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
  902. bp->flow_ctrl |= FLOW_CTRL_TX;
  903. if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
  904. bp->flow_ctrl |= FLOW_CTRL_RX;
  905. return;
  906. }
  907. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  908. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  909. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  910. u32 new_local_adv = 0;
  911. u32 new_remote_adv = 0;
  912. if (local_adv & ADVERTISE_1000XPAUSE)
  913. new_local_adv |= ADVERTISE_PAUSE_CAP;
  914. if (local_adv & ADVERTISE_1000XPSE_ASYM)
  915. new_local_adv |= ADVERTISE_PAUSE_ASYM;
  916. if (remote_adv & ADVERTISE_1000XPAUSE)
  917. new_remote_adv |= ADVERTISE_PAUSE_CAP;
  918. if (remote_adv & ADVERTISE_1000XPSE_ASYM)
  919. new_remote_adv |= ADVERTISE_PAUSE_ASYM;
  920. local_adv = new_local_adv;
  921. remote_adv = new_remote_adv;
  922. }
  923. /* See Table 28B-3 of 802.3ab-1999 spec. */
  924. if (local_adv & ADVERTISE_PAUSE_CAP) {
  925. if(local_adv & ADVERTISE_PAUSE_ASYM) {
  926. if (remote_adv & ADVERTISE_PAUSE_CAP) {
  927. bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
  928. }
  929. else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
  930. bp->flow_ctrl = FLOW_CTRL_RX;
  931. }
  932. }
  933. else {
  934. if (remote_adv & ADVERTISE_PAUSE_CAP) {
  935. bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
  936. }
  937. }
  938. }
  939. else if (local_adv & ADVERTISE_PAUSE_ASYM) {
  940. if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
  941. (remote_adv & ADVERTISE_PAUSE_ASYM)) {
  942. bp->flow_ctrl = FLOW_CTRL_TX;
  943. }
  944. }
  945. }
  946. static int
  947. bnx2_5709s_linkup(struct bnx2 *bp)
  948. {
  949. u32 val, speed;
  950. bp->link_up = 1;
  951. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
  952. bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
  953. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  954. if ((bp->autoneg & AUTONEG_SPEED) == 0) {
  955. bp->line_speed = bp->req_line_speed;
  956. bp->duplex = bp->req_duplex;
  957. return 0;
  958. }
  959. speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
  960. switch (speed) {
  961. case MII_BNX2_GP_TOP_AN_SPEED_10:
  962. bp->line_speed = SPEED_10;
  963. break;
  964. case MII_BNX2_GP_TOP_AN_SPEED_100:
  965. bp->line_speed = SPEED_100;
  966. break;
  967. case MII_BNX2_GP_TOP_AN_SPEED_1G:
  968. case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
  969. bp->line_speed = SPEED_1000;
  970. break;
  971. case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
  972. bp->line_speed = SPEED_2500;
  973. break;
  974. }
  975. if (val & MII_BNX2_GP_TOP_AN_FD)
  976. bp->duplex = DUPLEX_FULL;
  977. else
  978. bp->duplex = DUPLEX_HALF;
  979. return 0;
  980. }
  981. static int
  982. bnx2_5708s_linkup(struct bnx2 *bp)
  983. {
  984. u32 val;
  985. bp->link_up = 1;
  986. bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
  987. switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
  988. case BCM5708S_1000X_STAT1_SPEED_10:
  989. bp->line_speed = SPEED_10;
  990. break;
  991. case BCM5708S_1000X_STAT1_SPEED_100:
  992. bp->line_speed = SPEED_100;
  993. break;
  994. case BCM5708S_1000X_STAT1_SPEED_1G:
  995. bp->line_speed = SPEED_1000;
  996. break;
  997. case BCM5708S_1000X_STAT1_SPEED_2G5:
  998. bp->line_speed = SPEED_2500;
  999. break;
  1000. }
  1001. if (val & BCM5708S_1000X_STAT1_FD)
  1002. bp->duplex = DUPLEX_FULL;
  1003. else
  1004. bp->duplex = DUPLEX_HALF;
  1005. return 0;
  1006. }
  1007. static int
  1008. bnx2_5706s_linkup(struct bnx2 *bp)
  1009. {
  1010. u32 bmcr, local_adv, remote_adv, common;
  1011. bp->link_up = 1;
  1012. bp->line_speed = SPEED_1000;
  1013. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1014. if (bmcr & BMCR_FULLDPLX) {
  1015. bp->duplex = DUPLEX_FULL;
  1016. }
  1017. else {
  1018. bp->duplex = DUPLEX_HALF;
  1019. }
  1020. if (!(bmcr & BMCR_ANENABLE)) {
  1021. return 0;
  1022. }
  1023. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  1024. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  1025. common = local_adv & remote_adv;
  1026. if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
  1027. if (common & ADVERTISE_1000XFULL) {
  1028. bp->duplex = DUPLEX_FULL;
  1029. }
  1030. else {
  1031. bp->duplex = DUPLEX_HALF;
  1032. }
  1033. }
  1034. return 0;
  1035. }
  1036. static int
  1037. bnx2_copper_linkup(struct bnx2 *bp)
  1038. {
  1039. u32 bmcr;
  1040. bp->phy_flags &= ~BNX2_PHY_FLAG_MDIX;
  1041. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1042. if (bmcr & BMCR_ANENABLE) {
  1043. u32 local_adv, remote_adv, common;
  1044. bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
  1045. bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
  1046. common = local_adv & (remote_adv >> 2);
  1047. if (common & ADVERTISE_1000FULL) {
  1048. bp->line_speed = SPEED_1000;
  1049. bp->duplex = DUPLEX_FULL;
  1050. }
  1051. else if (common & ADVERTISE_1000HALF) {
  1052. bp->line_speed = SPEED_1000;
  1053. bp->duplex = DUPLEX_HALF;
  1054. }
  1055. else {
  1056. bnx2_read_phy(bp, bp->mii_adv, &local_adv);
  1057. bnx2_read_phy(bp, bp->mii_lpa, &remote_adv);
  1058. common = local_adv & remote_adv;
  1059. if (common & ADVERTISE_100FULL) {
  1060. bp->line_speed = SPEED_100;
  1061. bp->duplex = DUPLEX_FULL;
  1062. }
  1063. else if (common & ADVERTISE_100HALF) {
  1064. bp->line_speed = SPEED_100;
  1065. bp->duplex = DUPLEX_HALF;
  1066. }
  1067. else if (common & ADVERTISE_10FULL) {
  1068. bp->line_speed = SPEED_10;
  1069. bp->duplex = DUPLEX_FULL;
  1070. }
  1071. else if (common & ADVERTISE_10HALF) {
  1072. bp->line_speed = SPEED_10;
  1073. bp->duplex = DUPLEX_HALF;
  1074. }
  1075. else {
  1076. bp->line_speed = 0;
  1077. bp->link_up = 0;
  1078. }
  1079. }
  1080. }
  1081. else {
  1082. if (bmcr & BMCR_SPEED100) {
  1083. bp->line_speed = SPEED_100;
  1084. }
  1085. else {
  1086. bp->line_speed = SPEED_10;
  1087. }
  1088. if (bmcr & BMCR_FULLDPLX) {
  1089. bp->duplex = DUPLEX_FULL;
  1090. }
  1091. else {
  1092. bp->duplex = DUPLEX_HALF;
  1093. }
  1094. }
  1095. if (bp->link_up) {
  1096. u32 ext_status;
  1097. bnx2_read_phy(bp, MII_BNX2_EXT_STATUS, &ext_status);
  1098. if (ext_status & EXT_STATUS_MDIX)
  1099. bp->phy_flags |= BNX2_PHY_FLAG_MDIX;
  1100. }
  1101. return 0;
  1102. }
  1103. static void
  1104. bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
  1105. {
  1106. u32 val, rx_cid_addr = GET_CID_ADDR(cid);
  1107. val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
  1108. val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
  1109. val |= 0x02 << 8;
  1110. if (bp->flow_ctrl & FLOW_CTRL_TX)
  1111. val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
  1112. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
  1113. }
  1114. static void
  1115. bnx2_init_all_rx_contexts(struct bnx2 *bp)
  1116. {
  1117. int i;
  1118. u32 cid;
  1119. for (i = 0, cid = RX_CID; i < bp->num_rx_rings; i++, cid++) {
  1120. if (i == 1)
  1121. cid = RX_RSS_CID;
  1122. bnx2_init_rx_context(bp, cid);
  1123. }
  1124. }
  1125. static void
  1126. bnx2_set_mac_link(struct bnx2 *bp)
  1127. {
  1128. u32 val;
  1129. BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
  1130. if (bp->link_up && (bp->line_speed == SPEED_1000) &&
  1131. (bp->duplex == DUPLEX_HALF)) {
  1132. BNX2_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
  1133. }
  1134. /* Configure the EMAC mode register. */
  1135. val = BNX2_RD(bp, BNX2_EMAC_MODE);
  1136. val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
  1137. BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
  1138. BNX2_EMAC_MODE_25G_MODE);
  1139. if (bp->link_up) {
  1140. switch (bp->line_speed) {
  1141. case SPEED_10:
  1142. if (BNX2_CHIP(bp) != BNX2_CHIP_5706) {
  1143. val |= BNX2_EMAC_MODE_PORT_MII_10M;
  1144. break;
  1145. }
  1146. /* fall through */
  1147. case SPEED_100:
  1148. val |= BNX2_EMAC_MODE_PORT_MII;
  1149. break;
  1150. case SPEED_2500:
  1151. val |= BNX2_EMAC_MODE_25G_MODE;
  1152. /* fall through */
  1153. case SPEED_1000:
  1154. val |= BNX2_EMAC_MODE_PORT_GMII;
  1155. break;
  1156. }
  1157. }
  1158. else {
  1159. val |= BNX2_EMAC_MODE_PORT_GMII;
  1160. }
  1161. /* Set the MAC to operate in the appropriate duplex mode. */
  1162. if (bp->duplex == DUPLEX_HALF)
  1163. val |= BNX2_EMAC_MODE_HALF_DUPLEX;
  1164. BNX2_WR(bp, BNX2_EMAC_MODE, val);
  1165. /* Enable/disable rx PAUSE. */
  1166. bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
  1167. if (bp->flow_ctrl & FLOW_CTRL_RX)
  1168. bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
  1169. BNX2_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
  1170. /* Enable/disable tx PAUSE. */
  1171. val = BNX2_RD(bp, BNX2_EMAC_TX_MODE);
  1172. val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
  1173. if (bp->flow_ctrl & FLOW_CTRL_TX)
  1174. val |= BNX2_EMAC_TX_MODE_FLOW_EN;
  1175. BNX2_WR(bp, BNX2_EMAC_TX_MODE, val);
  1176. /* Acknowledge the interrupt. */
  1177. BNX2_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
  1178. bnx2_init_all_rx_contexts(bp);
  1179. }
  1180. static void
  1181. bnx2_enable_bmsr1(struct bnx2 *bp)
  1182. {
  1183. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1184. (BNX2_CHIP(bp) == BNX2_CHIP_5709))
  1185. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1186. MII_BNX2_BLK_ADDR_GP_STATUS);
  1187. }
  1188. static void
  1189. bnx2_disable_bmsr1(struct bnx2 *bp)
  1190. {
  1191. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1192. (BNX2_CHIP(bp) == BNX2_CHIP_5709))
  1193. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1194. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1195. }
  1196. static int
  1197. bnx2_test_and_enable_2g5(struct bnx2 *bp)
  1198. {
  1199. u32 up1;
  1200. int ret = 1;
  1201. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1202. return 0;
  1203. if (bp->autoneg & AUTONEG_SPEED)
  1204. bp->advertising |= ADVERTISED_2500baseX_Full;
  1205. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  1206. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  1207. bnx2_read_phy(bp, bp->mii_up1, &up1);
  1208. if (!(up1 & BCM5708S_UP1_2G5)) {
  1209. up1 |= BCM5708S_UP1_2G5;
  1210. bnx2_write_phy(bp, bp->mii_up1, up1);
  1211. ret = 0;
  1212. }
  1213. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  1214. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1215. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1216. return ret;
  1217. }
  1218. static int
  1219. bnx2_test_and_disable_2g5(struct bnx2 *bp)
  1220. {
  1221. u32 up1;
  1222. int ret = 0;
  1223. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1224. return 0;
  1225. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  1226. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  1227. bnx2_read_phy(bp, bp->mii_up1, &up1);
  1228. if (up1 & BCM5708S_UP1_2G5) {
  1229. up1 &= ~BCM5708S_UP1_2G5;
  1230. bnx2_write_phy(bp, bp->mii_up1, up1);
  1231. ret = 1;
  1232. }
  1233. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  1234. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1235. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1236. return ret;
  1237. }
  1238. static void
  1239. bnx2_enable_forced_2g5(struct bnx2 *bp)
  1240. {
  1241. u32 uninitialized_var(bmcr);
  1242. int err;
  1243. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1244. return;
  1245. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  1246. u32 val;
  1247. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1248. MII_BNX2_BLK_ADDR_SERDES_DIG);
  1249. if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
  1250. val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
  1251. val |= MII_BNX2_SD_MISC1_FORCE |
  1252. MII_BNX2_SD_MISC1_FORCE_2_5G;
  1253. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
  1254. }
  1255. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1256. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1257. err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1258. } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
  1259. err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1260. if (!err)
  1261. bmcr |= BCM5708S_BMCR_FORCE_2500;
  1262. } else {
  1263. return;
  1264. }
  1265. if (err)
  1266. return;
  1267. if (bp->autoneg & AUTONEG_SPEED) {
  1268. bmcr &= ~BMCR_ANENABLE;
  1269. if (bp->req_duplex == DUPLEX_FULL)
  1270. bmcr |= BMCR_FULLDPLX;
  1271. }
  1272. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  1273. }
  1274. static void
  1275. bnx2_disable_forced_2g5(struct bnx2 *bp)
  1276. {
  1277. u32 uninitialized_var(bmcr);
  1278. int err;
  1279. if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  1280. return;
  1281. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  1282. u32 val;
  1283. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1284. MII_BNX2_BLK_ADDR_SERDES_DIG);
  1285. if (!bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val)) {
  1286. val &= ~MII_BNX2_SD_MISC1_FORCE;
  1287. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);
  1288. }
  1289. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
  1290. MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1291. err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1292. } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
  1293. err = bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1294. if (!err)
  1295. bmcr &= ~BCM5708S_BMCR_FORCE_2500;
  1296. } else {
  1297. return;
  1298. }
  1299. if (err)
  1300. return;
  1301. if (bp->autoneg & AUTONEG_SPEED)
  1302. bmcr |= BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_ANRESTART;
  1303. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  1304. }
  1305. static void
  1306. bnx2_5706s_force_link_dn(struct bnx2 *bp, int start)
  1307. {
  1308. u32 val;
  1309. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_SERDES_CTL);
  1310. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
  1311. if (start)
  1312. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val & 0xff0f);
  1313. else
  1314. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val | 0xc0);
  1315. }
  1316. static int
  1317. bnx2_set_link(struct bnx2 *bp)
  1318. {
  1319. u32 bmsr;
  1320. u8 link_up;
  1321. if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) {
  1322. bp->link_up = 1;
  1323. return 0;
  1324. }
  1325. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  1326. return 0;
  1327. link_up = bp->link_up;
  1328. bnx2_enable_bmsr1(bp);
  1329. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  1330. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  1331. bnx2_disable_bmsr1(bp);
  1332. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1333. (BNX2_CHIP(bp) == BNX2_CHIP_5706)) {
  1334. u32 val, an_dbg;
  1335. if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
  1336. bnx2_5706s_force_link_dn(bp, 0);
  1337. bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
  1338. }
  1339. val = BNX2_RD(bp, BNX2_EMAC_STATUS);
  1340. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
  1341. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  1342. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  1343. if ((val & BNX2_EMAC_STATUS_LINK) &&
  1344. !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
  1345. bmsr |= BMSR_LSTATUS;
  1346. else
  1347. bmsr &= ~BMSR_LSTATUS;
  1348. }
  1349. if (bmsr & BMSR_LSTATUS) {
  1350. bp->link_up = 1;
  1351. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1352. if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
  1353. bnx2_5706s_linkup(bp);
  1354. else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
  1355. bnx2_5708s_linkup(bp);
  1356. else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  1357. bnx2_5709s_linkup(bp);
  1358. }
  1359. else {
  1360. bnx2_copper_linkup(bp);
  1361. }
  1362. bnx2_resolve_flow_ctrl(bp);
  1363. }
  1364. else {
  1365. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  1366. (bp->autoneg & AUTONEG_SPEED))
  1367. bnx2_disable_forced_2g5(bp);
  1368. if (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT) {
  1369. u32 bmcr;
  1370. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1371. bmcr |= BMCR_ANENABLE;
  1372. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  1373. bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
  1374. }
  1375. bp->link_up = 0;
  1376. }
  1377. if (bp->link_up != link_up) {
  1378. bnx2_report_link(bp);
  1379. }
  1380. bnx2_set_mac_link(bp);
  1381. return 0;
  1382. }
  1383. static int
  1384. bnx2_reset_phy(struct bnx2 *bp)
  1385. {
  1386. int i;
  1387. u32 reg;
  1388. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_RESET);
  1389. #define PHY_RESET_MAX_WAIT 100
  1390. for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
  1391. udelay(10);
  1392. bnx2_read_phy(bp, bp->mii_bmcr, &reg);
  1393. if (!(reg & BMCR_RESET)) {
  1394. udelay(20);
  1395. break;
  1396. }
  1397. }
  1398. if (i == PHY_RESET_MAX_WAIT) {
  1399. return -EBUSY;
  1400. }
  1401. return 0;
  1402. }
  1403. static u32
  1404. bnx2_phy_get_pause_adv(struct bnx2 *bp)
  1405. {
  1406. u32 adv = 0;
  1407. if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
  1408. (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
  1409. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1410. adv = ADVERTISE_1000XPAUSE;
  1411. }
  1412. else {
  1413. adv = ADVERTISE_PAUSE_CAP;
  1414. }
  1415. }
  1416. else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
  1417. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1418. adv = ADVERTISE_1000XPSE_ASYM;
  1419. }
  1420. else {
  1421. adv = ADVERTISE_PAUSE_ASYM;
  1422. }
  1423. }
  1424. else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
  1425. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1426. adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
  1427. }
  1428. else {
  1429. adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
  1430. }
  1431. }
  1432. return adv;
  1433. }
  1434. static int bnx2_fw_sync(struct bnx2 *, u32, int, int);
  1435. static int
  1436. bnx2_setup_remote_phy(struct bnx2 *bp, u8 port)
  1437. __releases(&bp->phy_lock)
  1438. __acquires(&bp->phy_lock)
  1439. {
  1440. u32 speed_arg = 0, pause_adv;
  1441. pause_adv = bnx2_phy_get_pause_adv(bp);
  1442. if (bp->autoneg & AUTONEG_SPEED) {
  1443. speed_arg |= BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG;
  1444. if (bp->advertising & ADVERTISED_10baseT_Half)
  1445. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10HALF;
  1446. if (bp->advertising & ADVERTISED_10baseT_Full)
  1447. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_10FULL;
  1448. if (bp->advertising & ADVERTISED_100baseT_Half)
  1449. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100HALF;
  1450. if (bp->advertising & ADVERTISED_100baseT_Full)
  1451. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_100FULL;
  1452. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1453. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
  1454. if (bp->advertising & ADVERTISED_2500baseX_Full)
  1455. speed_arg |= BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
  1456. } else {
  1457. if (bp->req_line_speed == SPEED_2500)
  1458. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_2G5FULL;
  1459. else if (bp->req_line_speed == SPEED_1000)
  1460. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_1GFULL;
  1461. else if (bp->req_line_speed == SPEED_100) {
  1462. if (bp->req_duplex == DUPLEX_FULL)
  1463. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100FULL;
  1464. else
  1465. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_100HALF;
  1466. } else if (bp->req_line_speed == SPEED_10) {
  1467. if (bp->req_duplex == DUPLEX_FULL)
  1468. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10FULL;
  1469. else
  1470. speed_arg = BNX2_NETLINK_SET_LINK_SPEED_10HALF;
  1471. }
  1472. }
  1473. if (pause_adv & (ADVERTISE_1000XPAUSE | ADVERTISE_PAUSE_CAP))
  1474. speed_arg |= BNX2_NETLINK_SET_LINK_FC_SYM_PAUSE;
  1475. if (pause_adv & (ADVERTISE_1000XPSE_ASYM | ADVERTISE_PAUSE_ASYM))
  1476. speed_arg |= BNX2_NETLINK_SET_LINK_FC_ASYM_PAUSE;
  1477. if (port == PORT_TP)
  1478. speed_arg |= BNX2_NETLINK_SET_LINK_PHY_APP_REMOTE |
  1479. BNX2_NETLINK_SET_LINK_ETH_AT_WIRESPEED;
  1480. bnx2_shmem_wr(bp, BNX2_DRV_MB_ARG0, speed_arg);
  1481. spin_unlock_bh(&bp->phy_lock);
  1482. bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_CMD_SET_LINK, 1, 0);
  1483. spin_lock_bh(&bp->phy_lock);
  1484. return 0;
  1485. }
  1486. static int
  1487. bnx2_setup_serdes_phy(struct bnx2 *bp, u8 port)
  1488. __releases(&bp->phy_lock)
  1489. __acquires(&bp->phy_lock)
  1490. {
  1491. u32 adv, bmcr;
  1492. u32 new_adv = 0;
  1493. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  1494. return bnx2_setup_remote_phy(bp, port);
  1495. if (!(bp->autoneg & AUTONEG_SPEED)) {
  1496. u32 new_bmcr;
  1497. int force_link_down = 0;
  1498. if (bp->req_line_speed == SPEED_2500) {
  1499. if (!bnx2_test_and_enable_2g5(bp))
  1500. force_link_down = 1;
  1501. } else if (bp->req_line_speed == SPEED_1000) {
  1502. if (bnx2_test_and_disable_2g5(bp))
  1503. force_link_down = 1;
  1504. }
  1505. bnx2_read_phy(bp, bp->mii_adv, &adv);
  1506. adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
  1507. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1508. new_bmcr = bmcr & ~BMCR_ANENABLE;
  1509. new_bmcr |= BMCR_SPEED1000;
  1510. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  1511. if (bp->req_line_speed == SPEED_2500)
  1512. bnx2_enable_forced_2g5(bp);
  1513. else if (bp->req_line_speed == SPEED_1000) {
  1514. bnx2_disable_forced_2g5(bp);
  1515. new_bmcr &= ~0x2000;
  1516. }
  1517. } else if (BNX2_CHIP(bp) == BNX2_CHIP_5708) {
  1518. if (bp->req_line_speed == SPEED_2500)
  1519. new_bmcr |= BCM5708S_BMCR_FORCE_2500;
  1520. else
  1521. new_bmcr = bmcr & ~BCM5708S_BMCR_FORCE_2500;
  1522. }
  1523. if (bp->req_duplex == DUPLEX_FULL) {
  1524. adv |= ADVERTISE_1000XFULL;
  1525. new_bmcr |= BMCR_FULLDPLX;
  1526. }
  1527. else {
  1528. adv |= ADVERTISE_1000XHALF;
  1529. new_bmcr &= ~BMCR_FULLDPLX;
  1530. }
  1531. if ((new_bmcr != bmcr) || (force_link_down)) {
  1532. /* Force a link down visible on the other side */
  1533. if (bp->link_up) {
  1534. bnx2_write_phy(bp, bp->mii_adv, adv &
  1535. ~(ADVERTISE_1000XFULL |
  1536. ADVERTISE_1000XHALF));
  1537. bnx2_write_phy(bp, bp->mii_bmcr, bmcr |
  1538. BMCR_ANRESTART | BMCR_ANENABLE);
  1539. bp->link_up = 0;
  1540. netif_carrier_off(bp->dev);
  1541. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1542. bnx2_report_link(bp);
  1543. }
  1544. bnx2_write_phy(bp, bp->mii_adv, adv);
  1545. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1546. } else {
  1547. bnx2_resolve_flow_ctrl(bp);
  1548. bnx2_set_mac_link(bp);
  1549. }
  1550. return 0;
  1551. }
  1552. bnx2_test_and_enable_2g5(bp);
  1553. if (bp->advertising & ADVERTISED_1000baseT_Full)
  1554. new_adv |= ADVERTISE_1000XFULL;
  1555. new_adv |= bnx2_phy_get_pause_adv(bp);
  1556. bnx2_read_phy(bp, bp->mii_adv, &adv);
  1557. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1558. bp->serdes_an_pending = 0;
  1559. if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
  1560. /* Force a link down visible on the other side */
  1561. if (bp->link_up) {
  1562. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  1563. spin_unlock_bh(&bp->phy_lock);
  1564. msleep(20);
  1565. spin_lock_bh(&bp->phy_lock);
  1566. }
  1567. bnx2_write_phy(bp, bp->mii_adv, new_adv);
  1568. bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART |
  1569. BMCR_ANENABLE);
  1570. /* Speed up link-up time when the link partner
  1571. * does not autonegotiate which is very common
  1572. * in blade servers. Some blade servers use
  1573. * IPMI for kerboard input and it's important
  1574. * to minimize link disruptions. Autoneg. involves
  1575. * exchanging base pages plus 3 next pages and
  1576. * normally completes in about 120 msec.
  1577. */
  1578. bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
  1579. bp->serdes_an_pending = 1;
  1580. mod_timer(&bp->timer, jiffies + bp->current_interval);
  1581. } else {
  1582. bnx2_resolve_flow_ctrl(bp);
  1583. bnx2_set_mac_link(bp);
  1584. }
  1585. return 0;
  1586. }
  1587. #define ETHTOOL_ALL_FIBRE_SPEED \
  1588. (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) ? \
  1589. (ADVERTISED_2500baseX_Full | ADVERTISED_1000baseT_Full) :\
  1590. (ADVERTISED_1000baseT_Full)
  1591. #define ETHTOOL_ALL_COPPER_SPEED \
  1592. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
  1593. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
  1594. ADVERTISED_1000baseT_Full)
  1595. #define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
  1596. ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
  1597. #define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
  1598. static void
  1599. bnx2_set_default_remote_link(struct bnx2 *bp)
  1600. {
  1601. u32 link;
  1602. if (bp->phy_port == PORT_TP)
  1603. link = bnx2_shmem_rd(bp, BNX2_RPHY_COPPER_LINK);
  1604. else
  1605. link = bnx2_shmem_rd(bp, BNX2_RPHY_SERDES_LINK);
  1606. if (link & BNX2_NETLINK_SET_LINK_ENABLE_AUTONEG) {
  1607. bp->req_line_speed = 0;
  1608. bp->autoneg |= AUTONEG_SPEED;
  1609. bp->advertising = ADVERTISED_Autoneg;
  1610. if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
  1611. bp->advertising |= ADVERTISED_10baseT_Half;
  1612. if (link & BNX2_NETLINK_SET_LINK_SPEED_10FULL)
  1613. bp->advertising |= ADVERTISED_10baseT_Full;
  1614. if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
  1615. bp->advertising |= ADVERTISED_100baseT_Half;
  1616. if (link & BNX2_NETLINK_SET_LINK_SPEED_100FULL)
  1617. bp->advertising |= ADVERTISED_100baseT_Full;
  1618. if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
  1619. bp->advertising |= ADVERTISED_1000baseT_Full;
  1620. if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
  1621. bp->advertising |= ADVERTISED_2500baseX_Full;
  1622. } else {
  1623. bp->autoneg = 0;
  1624. bp->advertising = 0;
  1625. bp->req_duplex = DUPLEX_FULL;
  1626. if (link & BNX2_NETLINK_SET_LINK_SPEED_10) {
  1627. bp->req_line_speed = SPEED_10;
  1628. if (link & BNX2_NETLINK_SET_LINK_SPEED_10HALF)
  1629. bp->req_duplex = DUPLEX_HALF;
  1630. }
  1631. if (link & BNX2_NETLINK_SET_LINK_SPEED_100) {
  1632. bp->req_line_speed = SPEED_100;
  1633. if (link & BNX2_NETLINK_SET_LINK_SPEED_100HALF)
  1634. bp->req_duplex = DUPLEX_HALF;
  1635. }
  1636. if (link & BNX2_NETLINK_SET_LINK_SPEED_1GFULL)
  1637. bp->req_line_speed = SPEED_1000;
  1638. if (link & BNX2_NETLINK_SET_LINK_SPEED_2G5FULL)
  1639. bp->req_line_speed = SPEED_2500;
  1640. }
  1641. }
  1642. static void
  1643. bnx2_set_default_link(struct bnx2 *bp)
  1644. {
  1645. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  1646. bnx2_set_default_remote_link(bp);
  1647. return;
  1648. }
  1649. bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
  1650. bp->req_line_speed = 0;
  1651. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1652. u32 reg;
  1653. bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
  1654. reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG);
  1655. reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
  1656. if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
  1657. bp->autoneg = 0;
  1658. bp->req_line_speed = bp->line_speed = SPEED_1000;
  1659. bp->req_duplex = DUPLEX_FULL;
  1660. }
  1661. } else
  1662. bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
  1663. }
  1664. static void
  1665. bnx2_send_heart_beat(struct bnx2 *bp)
  1666. {
  1667. u32 msg;
  1668. u32 addr;
  1669. spin_lock(&bp->indirect_lock);
  1670. msg = (u32) (++bp->fw_drv_pulse_wr_seq & BNX2_DRV_PULSE_SEQ_MASK);
  1671. addr = bp->shmem_base + BNX2_DRV_PULSE_MB;
  1672. BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, addr);
  1673. BNX2_WR(bp, BNX2_PCICFG_REG_WINDOW, msg);
  1674. spin_unlock(&bp->indirect_lock);
  1675. }
  1676. static void
  1677. bnx2_remote_phy_event(struct bnx2 *bp)
  1678. {
  1679. u32 msg;
  1680. u8 link_up = bp->link_up;
  1681. u8 old_port;
  1682. msg = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
  1683. if (msg & BNX2_LINK_STATUS_HEART_BEAT_EXPIRED)
  1684. bnx2_send_heart_beat(bp);
  1685. msg &= ~BNX2_LINK_STATUS_HEART_BEAT_EXPIRED;
  1686. if ((msg & BNX2_LINK_STATUS_LINK_UP) == BNX2_LINK_STATUS_LINK_DOWN)
  1687. bp->link_up = 0;
  1688. else {
  1689. u32 speed;
  1690. bp->link_up = 1;
  1691. speed = msg & BNX2_LINK_STATUS_SPEED_MASK;
  1692. bp->duplex = DUPLEX_FULL;
  1693. switch (speed) {
  1694. case BNX2_LINK_STATUS_10HALF:
  1695. bp->duplex = DUPLEX_HALF;
  1696. /* fall through */
  1697. case BNX2_LINK_STATUS_10FULL:
  1698. bp->line_speed = SPEED_10;
  1699. break;
  1700. case BNX2_LINK_STATUS_100HALF:
  1701. bp->duplex = DUPLEX_HALF;
  1702. /* fall through */
  1703. case BNX2_LINK_STATUS_100BASE_T4:
  1704. case BNX2_LINK_STATUS_100FULL:
  1705. bp->line_speed = SPEED_100;
  1706. break;
  1707. case BNX2_LINK_STATUS_1000HALF:
  1708. bp->duplex = DUPLEX_HALF;
  1709. /* fall through */
  1710. case BNX2_LINK_STATUS_1000FULL:
  1711. bp->line_speed = SPEED_1000;
  1712. break;
  1713. case BNX2_LINK_STATUS_2500HALF:
  1714. bp->duplex = DUPLEX_HALF;
  1715. /* fall through */
  1716. case BNX2_LINK_STATUS_2500FULL:
  1717. bp->line_speed = SPEED_2500;
  1718. break;
  1719. default:
  1720. bp->line_speed = 0;
  1721. break;
  1722. }
  1723. bp->flow_ctrl = 0;
  1724. if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
  1725. (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
  1726. if (bp->duplex == DUPLEX_FULL)
  1727. bp->flow_ctrl = bp->req_flow_ctrl;
  1728. } else {
  1729. if (msg & BNX2_LINK_STATUS_TX_FC_ENABLED)
  1730. bp->flow_ctrl |= FLOW_CTRL_TX;
  1731. if (msg & BNX2_LINK_STATUS_RX_FC_ENABLED)
  1732. bp->flow_ctrl |= FLOW_CTRL_RX;
  1733. }
  1734. old_port = bp->phy_port;
  1735. if (msg & BNX2_LINK_STATUS_SERDES_LINK)
  1736. bp->phy_port = PORT_FIBRE;
  1737. else
  1738. bp->phy_port = PORT_TP;
  1739. if (old_port != bp->phy_port)
  1740. bnx2_set_default_link(bp);
  1741. }
  1742. if (bp->link_up != link_up)
  1743. bnx2_report_link(bp);
  1744. bnx2_set_mac_link(bp);
  1745. }
  1746. static int
  1747. bnx2_set_remote_link(struct bnx2 *bp)
  1748. {
  1749. u32 evt_code;
  1750. evt_code = bnx2_shmem_rd(bp, BNX2_FW_EVT_CODE_MB);
  1751. switch (evt_code) {
  1752. case BNX2_FW_EVT_CODE_LINK_EVENT:
  1753. bnx2_remote_phy_event(bp);
  1754. break;
  1755. case BNX2_FW_EVT_CODE_SW_TIMER_EXPIRATION_EVENT:
  1756. default:
  1757. bnx2_send_heart_beat(bp);
  1758. break;
  1759. }
  1760. return 0;
  1761. }
  1762. static int
  1763. bnx2_setup_copper_phy(struct bnx2 *bp)
  1764. __releases(&bp->phy_lock)
  1765. __acquires(&bp->phy_lock)
  1766. {
  1767. u32 bmcr, adv_reg, new_adv = 0;
  1768. u32 new_bmcr;
  1769. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  1770. bnx2_read_phy(bp, bp->mii_adv, &adv_reg);
  1771. adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
  1772. ADVERTISE_PAUSE_ASYM);
  1773. new_adv = ADVERTISE_CSMA | ethtool_adv_to_mii_adv_t(bp->advertising);
  1774. if (bp->autoneg & AUTONEG_SPEED) {
  1775. u32 adv1000_reg;
  1776. u32 new_adv1000 = 0;
  1777. new_adv |= bnx2_phy_get_pause_adv(bp);
  1778. bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
  1779. adv1000_reg &= PHY_ALL_1000_SPEED;
  1780. new_adv1000 |= ethtool_adv_to_mii_ctrl1000_t(bp->advertising);
  1781. if ((adv1000_reg != new_adv1000) ||
  1782. (adv_reg != new_adv) ||
  1783. ((bmcr & BMCR_ANENABLE) == 0)) {
  1784. bnx2_write_phy(bp, bp->mii_adv, new_adv);
  1785. bnx2_write_phy(bp, MII_CTRL1000, new_adv1000);
  1786. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_ANRESTART |
  1787. BMCR_ANENABLE);
  1788. }
  1789. else if (bp->link_up) {
  1790. /* Flow ctrl may have changed from auto to forced */
  1791. /* or vice-versa. */
  1792. bnx2_resolve_flow_ctrl(bp);
  1793. bnx2_set_mac_link(bp);
  1794. }
  1795. return 0;
  1796. }
  1797. /* advertise nothing when forcing speed */
  1798. if (adv_reg != new_adv)
  1799. bnx2_write_phy(bp, bp->mii_adv, new_adv);
  1800. new_bmcr = 0;
  1801. if (bp->req_line_speed == SPEED_100) {
  1802. new_bmcr |= BMCR_SPEED100;
  1803. }
  1804. if (bp->req_duplex == DUPLEX_FULL) {
  1805. new_bmcr |= BMCR_FULLDPLX;
  1806. }
  1807. if (new_bmcr != bmcr) {
  1808. u32 bmsr;
  1809. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1810. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1811. if (bmsr & BMSR_LSTATUS) {
  1812. /* Force link down */
  1813. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  1814. spin_unlock_bh(&bp->phy_lock);
  1815. msleep(50);
  1816. spin_lock_bh(&bp->phy_lock);
  1817. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1818. bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
  1819. }
  1820. bnx2_write_phy(bp, bp->mii_bmcr, new_bmcr);
  1821. /* Normally, the new speed is setup after the link has
  1822. * gone down and up again. In some cases, link will not go
  1823. * down so we need to set up the new speed here.
  1824. */
  1825. if (bmsr & BMSR_LSTATUS) {
  1826. bp->line_speed = bp->req_line_speed;
  1827. bp->duplex = bp->req_duplex;
  1828. bnx2_resolve_flow_ctrl(bp);
  1829. bnx2_set_mac_link(bp);
  1830. }
  1831. } else {
  1832. bnx2_resolve_flow_ctrl(bp);
  1833. bnx2_set_mac_link(bp);
  1834. }
  1835. return 0;
  1836. }
  1837. static int
  1838. bnx2_setup_phy(struct bnx2 *bp, u8 port)
  1839. __releases(&bp->phy_lock)
  1840. __acquires(&bp->phy_lock)
  1841. {
  1842. if (bp->loopback == MAC_LOOPBACK)
  1843. return 0;
  1844. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  1845. return bnx2_setup_serdes_phy(bp, port);
  1846. }
  1847. else {
  1848. return bnx2_setup_copper_phy(bp);
  1849. }
  1850. }
  1851. static int
  1852. bnx2_init_5709s_phy(struct bnx2 *bp, int reset_phy)
  1853. {
  1854. u32 val;
  1855. bp->mii_bmcr = MII_BMCR + 0x10;
  1856. bp->mii_bmsr = MII_BMSR + 0x10;
  1857. bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
  1858. bp->mii_adv = MII_ADVERTISE + 0x10;
  1859. bp->mii_lpa = MII_LPA + 0x10;
  1860. bp->mii_up1 = MII_BNX2_OVER1G_UP1;
  1861. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
  1862. bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);
  1863. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1864. if (reset_phy)
  1865. bnx2_reset_phy(bp);
  1866. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);
  1867. bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
  1868. val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
  1869. val |= MII_BNX2_SD_1000XCTL1_FIBER;
  1870. bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);
  1871. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
  1872. bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
  1873. if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
  1874. val |= BCM5708S_UP1_2G5;
  1875. else
  1876. val &= ~BCM5708S_UP1_2G5;
  1877. bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);
  1878. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
  1879. bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
  1880. val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
  1881. bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);
  1882. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);
  1883. val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
  1884. MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
  1885. bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);
  1886. bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
  1887. return 0;
  1888. }
  1889. static int
  1890. bnx2_init_5708s_phy(struct bnx2 *bp, int reset_phy)
  1891. {
  1892. u32 val;
  1893. if (reset_phy)
  1894. bnx2_reset_phy(bp);
  1895. bp->mii_up1 = BCM5708S_UP1;
  1896. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
  1897. bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
  1898. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
  1899. bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
  1900. val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
  1901. bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
  1902. bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
  1903. val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
  1904. bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
  1905. if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) {
  1906. bnx2_read_phy(bp, BCM5708S_UP1, &val);
  1907. val |= BCM5708S_UP1_2G5;
  1908. bnx2_write_phy(bp, BCM5708S_UP1, val);
  1909. }
  1910. if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
  1911. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
  1912. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1)) {
  1913. /* increase tx signal amplitude */
  1914. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1915. BCM5708S_BLK_ADDR_TX_MISC);
  1916. bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
  1917. val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
  1918. bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
  1919. bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
  1920. }
  1921. val = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_CONFIG) &
  1922. BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
  1923. if (val) {
  1924. u32 is_backplane;
  1925. is_backplane = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
  1926. if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
  1927. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1928. BCM5708S_BLK_ADDR_TX_MISC);
  1929. bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
  1930. bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
  1931. BCM5708S_BLK_ADDR_DIG);
  1932. }
  1933. }
  1934. return 0;
  1935. }
  1936. static int
  1937. bnx2_init_5706s_phy(struct bnx2 *bp, int reset_phy)
  1938. {
  1939. if (reset_phy)
  1940. bnx2_reset_phy(bp);
  1941. bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
  1942. if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
  1943. BNX2_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300);
  1944. if (bp->dev->mtu > 1500) {
  1945. u32 val;
  1946. /* Set extended packet length bit */
  1947. bnx2_write_phy(bp, 0x18, 0x7);
  1948. bnx2_read_phy(bp, 0x18, &val);
  1949. bnx2_write_phy(bp, 0x18, (val & 0xfff8) | 0x4000);
  1950. bnx2_write_phy(bp, 0x1c, 0x6c00);
  1951. bnx2_read_phy(bp, 0x1c, &val);
  1952. bnx2_write_phy(bp, 0x1c, (val & 0x3ff) | 0xec02);
  1953. }
  1954. else {
  1955. u32 val;
  1956. bnx2_write_phy(bp, 0x18, 0x7);
  1957. bnx2_read_phy(bp, 0x18, &val);
  1958. bnx2_write_phy(bp, 0x18, val & ~0x4007);
  1959. bnx2_write_phy(bp, 0x1c, 0x6c00);
  1960. bnx2_read_phy(bp, 0x1c, &val);
  1961. bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
  1962. }
  1963. return 0;
  1964. }
  1965. static int
  1966. bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
  1967. {
  1968. u32 val;
  1969. if (reset_phy)
  1970. bnx2_reset_phy(bp);
  1971. if (bp->phy_flags & BNX2_PHY_FLAG_CRC_FIX) {
  1972. bnx2_write_phy(bp, 0x18, 0x0c00);
  1973. bnx2_write_phy(bp, 0x17, 0x000a);
  1974. bnx2_write_phy(bp, 0x15, 0x310b);
  1975. bnx2_write_phy(bp, 0x17, 0x201f);
  1976. bnx2_write_phy(bp, 0x15, 0x9506);
  1977. bnx2_write_phy(bp, 0x17, 0x401f);
  1978. bnx2_write_phy(bp, 0x15, 0x14e2);
  1979. bnx2_write_phy(bp, 0x18, 0x0400);
  1980. }
  1981. if (bp->phy_flags & BNX2_PHY_FLAG_DIS_EARLY_DAC) {
  1982. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS,
  1983. MII_BNX2_DSP_EXPAND_REG | 0x8);
  1984. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &val);
  1985. val &= ~(1 << 8);
  1986. bnx2_write_phy(bp, MII_BNX2_DSP_RW_PORT, val);
  1987. }
  1988. if (bp->dev->mtu > 1500) {
  1989. /* Set extended packet length bit */
  1990. bnx2_write_phy(bp, 0x18, 0x7);
  1991. bnx2_read_phy(bp, 0x18, &val);
  1992. bnx2_write_phy(bp, 0x18, val | 0x4000);
  1993. bnx2_read_phy(bp, 0x10, &val);
  1994. bnx2_write_phy(bp, 0x10, val | 0x1);
  1995. }
  1996. else {
  1997. bnx2_write_phy(bp, 0x18, 0x7);
  1998. bnx2_read_phy(bp, 0x18, &val);
  1999. bnx2_write_phy(bp, 0x18, val & ~0x4007);
  2000. bnx2_read_phy(bp, 0x10, &val);
  2001. bnx2_write_phy(bp, 0x10, val & ~0x1);
  2002. }
  2003. /* ethernet@wirespeed */
  2004. bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL);
  2005. bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val);
  2006. val |= AUX_CTL_MISC_CTL_WR | AUX_CTL_MISC_CTL_WIRESPEED;
  2007. /* auto-mdix */
  2008. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  2009. val |= AUX_CTL_MISC_CTL_AUTOMDIX;
  2010. bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val);
  2011. return 0;
  2012. }
  2013. static int
  2014. bnx2_init_phy(struct bnx2 *bp, int reset_phy)
  2015. __releases(&bp->phy_lock)
  2016. __acquires(&bp->phy_lock)
  2017. {
  2018. u32 val;
  2019. int rc = 0;
  2020. bp->phy_flags &= ~BNX2_PHY_FLAG_INT_MODE_MASK;
  2021. bp->phy_flags |= BNX2_PHY_FLAG_INT_MODE_LINK_READY;
  2022. bp->mii_bmcr = MII_BMCR;
  2023. bp->mii_bmsr = MII_BMSR;
  2024. bp->mii_bmsr1 = MII_BMSR;
  2025. bp->mii_adv = MII_ADVERTISE;
  2026. bp->mii_lpa = MII_LPA;
  2027. BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
  2028. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  2029. goto setup_phy;
  2030. bnx2_read_phy(bp, MII_PHYSID1, &val);
  2031. bp->phy_id = val << 16;
  2032. bnx2_read_phy(bp, MII_PHYSID2, &val);
  2033. bp->phy_id |= val & 0xffff;
  2034. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  2035. if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
  2036. rc = bnx2_init_5706s_phy(bp, reset_phy);
  2037. else if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
  2038. rc = bnx2_init_5708s_phy(bp, reset_phy);
  2039. else if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  2040. rc = bnx2_init_5709s_phy(bp, reset_phy);
  2041. }
  2042. else {
  2043. rc = bnx2_init_copper_phy(bp, reset_phy);
  2044. }
  2045. setup_phy:
  2046. if (!rc)
  2047. rc = bnx2_setup_phy(bp, bp->phy_port);
  2048. return rc;
  2049. }
  2050. static int
  2051. bnx2_set_mac_loopback(struct bnx2 *bp)
  2052. {
  2053. u32 mac_mode;
  2054. mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
  2055. mac_mode &= ~BNX2_EMAC_MODE_PORT;
  2056. mac_mode |= BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK;
  2057. BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
  2058. bp->link_up = 1;
  2059. return 0;
  2060. }
  2061. static int bnx2_test_link(struct bnx2 *);
  2062. static int
  2063. bnx2_set_phy_loopback(struct bnx2 *bp)
  2064. {
  2065. u32 mac_mode;
  2066. int rc, i;
  2067. spin_lock_bh(&bp->phy_lock);
  2068. rc = bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK | BMCR_FULLDPLX |
  2069. BMCR_SPEED1000);
  2070. spin_unlock_bh(&bp->phy_lock);
  2071. if (rc)
  2072. return rc;
  2073. for (i = 0; i < 10; i++) {
  2074. if (bnx2_test_link(bp) == 0)
  2075. break;
  2076. msleep(100);
  2077. }
  2078. mac_mode = BNX2_RD(bp, BNX2_EMAC_MODE);
  2079. mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
  2080. BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
  2081. BNX2_EMAC_MODE_25G_MODE);
  2082. mac_mode |= BNX2_EMAC_MODE_PORT_GMII;
  2083. BNX2_WR(bp, BNX2_EMAC_MODE, mac_mode);
  2084. bp->link_up = 1;
  2085. return 0;
  2086. }
  2087. static void
  2088. bnx2_dump_mcp_state(struct bnx2 *bp)
  2089. {
  2090. struct net_device *dev = bp->dev;
  2091. u32 mcp_p0, mcp_p1;
  2092. netdev_err(dev, "<--- start MCP states dump --->\n");
  2093. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  2094. mcp_p0 = BNX2_MCP_STATE_P0;
  2095. mcp_p1 = BNX2_MCP_STATE_P1;
  2096. } else {
  2097. mcp_p0 = BNX2_MCP_STATE_P0_5708;
  2098. mcp_p1 = BNX2_MCP_STATE_P1_5708;
  2099. }
  2100. netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
  2101. bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1));
  2102. netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n",
  2103. bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE),
  2104. bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE),
  2105. bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK));
  2106. netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n",
  2107. bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
  2108. bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER),
  2109. bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION));
  2110. netdev_err(dev, "DEBUG: shmem states:\n");
  2111. netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]",
  2112. bnx2_shmem_rd(bp, BNX2_DRV_MB),
  2113. bnx2_shmem_rd(bp, BNX2_FW_MB),
  2114. bnx2_shmem_rd(bp, BNX2_LINK_STATUS));
  2115. pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB));
  2116. netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]",
  2117. bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE),
  2118. bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE));
  2119. pr_cont(" condition[%08x]\n",
  2120. bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION));
  2121. DP_SHMEM_LINE(bp, BNX2_BC_RESET_TYPE);
  2122. DP_SHMEM_LINE(bp, 0x3cc);
  2123. DP_SHMEM_LINE(bp, 0x3dc);
  2124. DP_SHMEM_LINE(bp, 0x3ec);
  2125. netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc));
  2126. netdev_err(dev, "<--- end MCP states dump --->\n");
  2127. }
  2128. static int
  2129. bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
  2130. {
  2131. int i;
  2132. u32 val;
  2133. bp->fw_wr_seq++;
  2134. msg_data |= bp->fw_wr_seq;
  2135. bp->fw_last_msg = msg_data;
  2136. bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
  2137. if (!ack)
  2138. return 0;
  2139. /* wait for an acknowledgement. */
  2140. for (i = 0; i < (BNX2_FW_ACK_TIME_OUT_MS / 10); i++) {
  2141. msleep(10);
  2142. val = bnx2_shmem_rd(bp, BNX2_FW_MB);
  2143. if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
  2144. break;
  2145. }
  2146. if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
  2147. return 0;
  2148. /* If we timed out, inform the firmware that this is the case. */
  2149. if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
  2150. msg_data &= ~BNX2_DRV_MSG_CODE;
  2151. msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
  2152. bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data);
  2153. if (!silent) {
  2154. pr_err("fw sync timeout, reset code = %x\n", msg_data);
  2155. bnx2_dump_mcp_state(bp);
  2156. }
  2157. return -EBUSY;
  2158. }
  2159. if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
  2160. return -EIO;
  2161. return 0;
  2162. }
  2163. static int
  2164. bnx2_init_5709_context(struct bnx2 *bp)
  2165. {
  2166. int i, ret = 0;
  2167. u32 val;
  2168. val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12);
  2169. val |= (BNX2_PAGE_BITS - 8) << 16;
  2170. BNX2_WR(bp, BNX2_CTX_COMMAND, val);
  2171. for (i = 0; i < 10; i++) {
  2172. val = BNX2_RD(bp, BNX2_CTX_COMMAND);
  2173. if (!(val & BNX2_CTX_COMMAND_MEM_INIT))
  2174. break;
  2175. udelay(2);
  2176. }
  2177. if (val & BNX2_CTX_COMMAND_MEM_INIT)
  2178. return -EBUSY;
  2179. for (i = 0; i < bp->ctx_pages; i++) {
  2180. int j;
  2181. if (bp->ctx_blk[i])
  2182. memset(bp->ctx_blk[i], 0, BNX2_PAGE_SIZE);
  2183. else
  2184. return -ENOMEM;
  2185. BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
  2186. (bp->ctx_blk_mapping[i] & 0xffffffff) |
  2187. BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);
  2188. BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1,
  2189. (u64) bp->ctx_blk_mapping[i] >> 32);
  2190. BNX2_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i |
  2191. BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
  2192. for (j = 0; j < 10; j++) {
  2193. val = BNX2_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL);
  2194. if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
  2195. break;
  2196. udelay(5);
  2197. }
  2198. if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
  2199. ret = -EBUSY;
  2200. break;
  2201. }
  2202. }
  2203. return ret;
  2204. }
  2205. static void
  2206. bnx2_init_context(struct bnx2 *bp)
  2207. {
  2208. u32 vcid;
  2209. vcid = 96;
  2210. while (vcid) {
  2211. u32 vcid_addr, pcid_addr, offset;
  2212. int i;
  2213. vcid--;
  2214. if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
  2215. u32 new_vcid;
  2216. vcid_addr = GET_PCID_ADDR(vcid);
  2217. if (vcid & 0x8) {
  2218. new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
  2219. }
  2220. else {
  2221. new_vcid = vcid;
  2222. }
  2223. pcid_addr = GET_PCID_ADDR(new_vcid);
  2224. }
  2225. else {
  2226. vcid_addr = GET_CID_ADDR(vcid);
  2227. pcid_addr = vcid_addr;
  2228. }
  2229. for (i = 0; i < (CTX_SIZE / PHY_CTX_SIZE); i++) {
  2230. vcid_addr += (i << PHY_CTX_SHIFT);
  2231. pcid_addr += (i << PHY_CTX_SHIFT);
  2232. BNX2_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
  2233. BNX2_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
  2234. /* Zero out the context. */
  2235. for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
  2236. bnx2_ctx_wr(bp, vcid_addr, offset, 0);
  2237. }
  2238. }
  2239. }
  2240. static int
  2241. bnx2_alloc_bad_rbuf(struct bnx2 *bp)
  2242. {
  2243. u16 *good_mbuf;
  2244. u32 good_mbuf_cnt;
  2245. u32 val;
  2246. good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL);
  2247. if (good_mbuf == NULL)
  2248. return -ENOMEM;
  2249. BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  2250. BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
  2251. good_mbuf_cnt = 0;
  2252. /* Allocate a bunch of mbufs and save the good ones in an array. */
  2253. val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
  2254. while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
  2255. bnx2_reg_wr_ind(bp, BNX2_RBUF_COMMAND,
  2256. BNX2_RBUF_COMMAND_ALLOC_REQ);
  2257. val = bnx2_reg_rd_ind(bp, BNX2_RBUF_FW_BUF_ALLOC);
  2258. val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
  2259. /* The addresses with Bit 9 set are bad memory blocks. */
  2260. if (!(val & (1 << 9))) {
  2261. good_mbuf[good_mbuf_cnt] = (u16) val;
  2262. good_mbuf_cnt++;
  2263. }
  2264. val = bnx2_reg_rd_ind(bp, BNX2_RBUF_STATUS1);
  2265. }
  2266. /* Free the good ones back to the mbuf pool thus discarding
  2267. * all the bad ones. */
  2268. while (good_mbuf_cnt) {
  2269. good_mbuf_cnt--;
  2270. val = good_mbuf[good_mbuf_cnt];
  2271. val = (val << 9) | val | 1;
  2272. bnx2_reg_wr_ind(bp, BNX2_RBUF_FW_BUF_FREE, val);
  2273. }
  2274. kfree(good_mbuf);
  2275. return 0;
  2276. }
  2277. static void
  2278. bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
  2279. {
  2280. u32 val;
  2281. val = (mac_addr[0] << 8) | mac_addr[1];
  2282. BNX2_WR(bp, BNX2_EMAC_MAC_MATCH0 + (pos * 8), val);
  2283. val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
  2284. (mac_addr[4] << 8) | mac_addr[5];
  2285. BNX2_WR(bp, BNX2_EMAC_MAC_MATCH1 + (pos * 8), val);
  2286. }
  2287. static inline int
  2288. bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
  2289. {
  2290. dma_addr_t mapping;
  2291. struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
  2292. struct bnx2_rx_bd *rxbd =
  2293. &rxr->rx_pg_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
  2294. struct page *page = alloc_page(gfp);
  2295. if (!page)
  2296. return -ENOMEM;
  2297. mapping = dma_map_page(&bp->pdev->dev, page, 0, PAGE_SIZE,
  2298. PCI_DMA_FROMDEVICE);
  2299. if (dma_mapping_error(&bp->pdev->dev, mapping)) {
  2300. __free_page(page);
  2301. return -EIO;
  2302. }
  2303. rx_pg->page = page;
  2304. dma_unmap_addr_set(rx_pg, mapping, mapping);
  2305. rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
  2306. rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  2307. return 0;
  2308. }
  2309. static void
  2310. bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index)
  2311. {
  2312. struct bnx2_sw_pg *rx_pg = &rxr->rx_pg_ring[index];
  2313. struct page *page = rx_pg->page;
  2314. if (!page)
  2315. return;
  2316. dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(rx_pg, mapping),
  2317. PAGE_SIZE, PCI_DMA_FROMDEVICE);
  2318. __free_page(page);
  2319. rx_pg->page = NULL;
  2320. }
  2321. static inline int
  2322. bnx2_alloc_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp)
  2323. {
  2324. u8 *data;
  2325. struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[index];
  2326. dma_addr_t mapping;
  2327. struct bnx2_rx_bd *rxbd =
  2328. &rxr->rx_desc_ring[BNX2_RX_RING(index)][BNX2_RX_IDX(index)];
  2329. data = kmalloc(bp->rx_buf_size, gfp);
  2330. if (!data)
  2331. return -ENOMEM;
  2332. mapping = dma_map_single(&bp->pdev->dev,
  2333. get_l2_fhdr(data),
  2334. bp->rx_buf_use_size,
  2335. PCI_DMA_FROMDEVICE);
  2336. if (dma_mapping_error(&bp->pdev->dev, mapping)) {
  2337. kfree(data);
  2338. return -EIO;
  2339. }
  2340. rx_buf->data = data;
  2341. dma_unmap_addr_set(rx_buf, mapping, mapping);
  2342. rxbd->rx_bd_haddr_hi = (u64) mapping >> 32;
  2343. rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  2344. rxr->rx_prod_bseq += bp->rx_buf_use_size;
  2345. return 0;
  2346. }
  2347. static int
  2348. bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event)
  2349. {
  2350. struct status_block *sblk = bnapi->status_blk.msi;
  2351. u32 new_link_state, old_link_state;
  2352. int is_set = 1;
  2353. new_link_state = sblk->status_attn_bits & event;
  2354. old_link_state = sblk->status_attn_bits_ack & event;
  2355. if (new_link_state != old_link_state) {
  2356. if (new_link_state)
  2357. BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD, event);
  2358. else
  2359. BNX2_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD, event);
  2360. } else
  2361. is_set = 0;
  2362. return is_set;
  2363. }
  2364. static void
  2365. bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi)
  2366. {
  2367. spin_lock(&bp->phy_lock);
  2368. if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE))
  2369. bnx2_set_link(bp);
  2370. if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT))
  2371. bnx2_set_remote_link(bp);
  2372. spin_unlock(&bp->phy_lock);
  2373. }
  2374. static inline u16
  2375. bnx2_get_hw_tx_cons(struct bnx2_napi *bnapi)
  2376. {
  2377. u16 cons;
  2378. /* Tell compiler that status block fields can change. */
  2379. barrier();
  2380. cons = *bnapi->hw_tx_cons_ptr;
  2381. barrier();
  2382. if (unlikely((cons & BNX2_MAX_TX_DESC_CNT) == BNX2_MAX_TX_DESC_CNT))
  2383. cons++;
  2384. return cons;
  2385. }
  2386. static int
  2387. bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
  2388. {
  2389. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  2390. u16 hw_cons, sw_cons, sw_ring_cons;
  2391. int tx_pkt = 0, index;
  2392. unsigned int tx_bytes = 0;
  2393. struct netdev_queue *txq;
  2394. index = (bnapi - bp->bnx2_napi);
  2395. txq = netdev_get_tx_queue(bp->dev, index);
  2396. hw_cons = bnx2_get_hw_tx_cons(bnapi);
  2397. sw_cons = txr->tx_cons;
  2398. while (sw_cons != hw_cons) {
  2399. struct bnx2_sw_tx_bd *tx_buf;
  2400. struct sk_buff *skb;
  2401. int i, last;
  2402. sw_ring_cons = BNX2_TX_RING_IDX(sw_cons);
  2403. tx_buf = &txr->tx_buf_ring[sw_ring_cons];
  2404. skb = tx_buf->skb;
  2405. /* prefetch skb_end_pointer() to speedup skb_shinfo(skb) */
  2406. prefetch(&skb->end);
  2407. /* partial BD completions possible with TSO packets */
  2408. if (tx_buf->is_gso) {
  2409. u16 last_idx, last_ring_idx;
  2410. last_idx = sw_cons + tx_buf->nr_frags + 1;
  2411. last_ring_idx = sw_ring_cons + tx_buf->nr_frags + 1;
  2412. if (unlikely(last_ring_idx >= BNX2_MAX_TX_DESC_CNT)) {
  2413. last_idx++;
  2414. }
  2415. if (((s16) ((s16) last_idx - (s16) hw_cons)) > 0) {
  2416. break;
  2417. }
  2418. }
  2419. dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
  2420. skb_headlen(skb), PCI_DMA_TODEVICE);
  2421. tx_buf->skb = NULL;
  2422. last = tx_buf->nr_frags;
  2423. for (i = 0; i < last; i++) {
  2424. struct bnx2_sw_tx_bd *tx_buf;
  2425. sw_cons = BNX2_NEXT_TX_BD(sw_cons);
  2426. tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(sw_cons)];
  2427. dma_unmap_page(&bp->pdev->dev,
  2428. dma_unmap_addr(tx_buf, mapping),
  2429. skb_frag_size(&skb_shinfo(skb)->frags[i]),
  2430. PCI_DMA_TODEVICE);
  2431. }
  2432. sw_cons = BNX2_NEXT_TX_BD(sw_cons);
  2433. tx_bytes += skb->len;
  2434. dev_kfree_skb_any(skb);
  2435. tx_pkt++;
  2436. if (tx_pkt == budget)
  2437. break;
  2438. if (hw_cons == sw_cons)
  2439. hw_cons = bnx2_get_hw_tx_cons(bnapi);
  2440. }
  2441. netdev_tx_completed_queue(txq, tx_pkt, tx_bytes);
  2442. txr->hw_tx_cons = hw_cons;
  2443. txr->tx_cons = sw_cons;
  2444. /* Need to make the tx_cons update visible to bnx2_start_xmit()
  2445. * before checking for netif_tx_queue_stopped(). Without the
  2446. * memory barrier, there is a small possibility that bnx2_start_xmit()
  2447. * will miss it and cause the queue to be stopped forever.
  2448. */
  2449. smp_mb();
  2450. if (unlikely(netif_tx_queue_stopped(txq)) &&
  2451. (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
  2452. __netif_tx_lock(txq, smp_processor_id());
  2453. if ((netif_tx_queue_stopped(txq)) &&
  2454. (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh))
  2455. netif_tx_wake_queue(txq);
  2456. __netif_tx_unlock(txq);
  2457. }
  2458. return tx_pkt;
  2459. }
  2460. static void
  2461. bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
  2462. struct sk_buff *skb, int count)
  2463. {
  2464. struct bnx2_sw_pg *cons_rx_pg, *prod_rx_pg;
  2465. struct bnx2_rx_bd *cons_bd, *prod_bd;
  2466. int i;
  2467. u16 hw_prod, prod;
  2468. u16 cons = rxr->rx_pg_cons;
  2469. cons_rx_pg = &rxr->rx_pg_ring[cons];
  2470. /* The caller was unable to allocate a new page to replace the
  2471. * last one in the frags array, so we need to recycle that page
  2472. * and then free the skb.
  2473. */
  2474. if (skb) {
  2475. struct page *page;
  2476. struct skb_shared_info *shinfo;
  2477. shinfo = skb_shinfo(skb);
  2478. shinfo->nr_frags--;
  2479. page = skb_frag_page(&shinfo->frags[shinfo->nr_frags]);
  2480. __skb_frag_set_page(&shinfo->frags[shinfo->nr_frags], NULL);
  2481. cons_rx_pg->page = page;
  2482. dev_kfree_skb(skb);
  2483. }
  2484. hw_prod = rxr->rx_pg_prod;
  2485. for (i = 0; i < count; i++) {
  2486. prod = BNX2_RX_PG_RING_IDX(hw_prod);
  2487. prod_rx_pg = &rxr->rx_pg_ring[prod];
  2488. cons_rx_pg = &rxr->rx_pg_ring[cons];
  2489. cons_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(cons)]
  2490. [BNX2_RX_IDX(cons)];
  2491. prod_bd = &rxr->rx_pg_desc_ring[BNX2_RX_RING(prod)]
  2492. [BNX2_RX_IDX(prod)];
  2493. if (prod != cons) {
  2494. prod_rx_pg->page = cons_rx_pg->page;
  2495. cons_rx_pg->page = NULL;
  2496. dma_unmap_addr_set(prod_rx_pg, mapping,
  2497. dma_unmap_addr(cons_rx_pg, mapping));
  2498. prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
  2499. prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
  2500. }
  2501. cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(cons));
  2502. hw_prod = BNX2_NEXT_RX_BD(hw_prod);
  2503. }
  2504. rxr->rx_pg_prod = hw_prod;
  2505. rxr->rx_pg_cons = cons;
  2506. }
  2507. static inline void
  2508. bnx2_reuse_rx_data(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr,
  2509. u8 *data, u16 cons, u16 prod)
  2510. {
  2511. struct bnx2_sw_bd *cons_rx_buf, *prod_rx_buf;
  2512. struct bnx2_rx_bd *cons_bd, *prod_bd;
  2513. cons_rx_buf = &rxr->rx_buf_ring[cons];
  2514. prod_rx_buf = &rxr->rx_buf_ring[prod];
  2515. dma_sync_single_for_device(&bp->pdev->dev,
  2516. dma_unmap_addr(cons_rx_buf, mapping),
  2517. BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
  2518. rxr->rx_prod_bseq += bp->rx_buf_use_size;
  2519. prod_rx_buf->data = data;
  2520. if (cons == prod)
  2521. return;
  2522. dma_unmap_addr_set(prod_rx_buf, mapping,
  2523. dma_unmap_addr(cons_rx_buf, mapping));
  2524. cons_bd = &rxr->rx_desc_ring[BNX2_RX_RING(cons)][BNX2_RX_IDX(cons)];
  2525. prod_bd = &rxr->rx_desc_ring[BNX2_RX_RING(prod)][BNX2_RX_IDX(prod)];
  2526. prod_bd->rx_bd_haddr_hi = cons_bd->rx_bd_haddr_hi;
  2527. prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
  2528. }
  2529. static struct sk_buff *
  2530. bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u8 *data,
  2531. unsigned int len, unsigned int hdr_len, dma_addr_t dma_addr,
  2532. u32 ring_idx)
  2533. {
  2534. int err;
  2535. u16 prod = ring_idx & 0xffff;
  2536. struct sk_buff *skb;
  2537. err = bnx2_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
  2538. if (unlikely(err)) {
  2539. bnx2_reuse_rx_data(bp, rxr, data, (u16) (ring_idx >> 16), prod);
  2540. error:
  2541. if (hdr_len) {
  2542. unsigned int raw_len = len + 4;
  2543. int pages = PAGE_ALIGN(raw_len - hdr_len) >> PAGE_SHIFT;
  2544. bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
  2545. }
  2546. return NULL;
  2547. }
  2548. dma_unmap_single(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
  2549. PCI_DMA_FROMDEVICE);
  2550. skb = build_skb(data, 0);
  2551. if (!skb) {
  2552. kfree(data);
  2553. goto error;
  2554. }
  2555. skb_reserve(skb, ((u8 *)get_l2_fhdr(data) - data) + BNX2_RX_OFFSET);
  2556. if (hdr_len == 0) {
  2557. skb_put(skb, len);
  2558. return skb;
  2559. } else {
  2560. unsigned int i, frag_len, frag_size, pages;
  2561. struct bnx2_sw_pg *rx_pg;
  2562. u16 pg_cons = rxr->rx_pg_cons;
  2563. u16 pg_prod = rxr->rx_pg_prod;
  2564. frag_size = len + 4 - hdr_len;
  2565. pages = PAGE_ALIGN(frag_size) >> PAGE_SHIFT;
  2566. skb_put(skb, hdr_len);
  2567. for (i = 0; i < pages; i++) {
  2568. dma_addr_t mapping_old;
  2569. frag_len = min(frag_size, (unsigned int) PAGE_SIZE);
  2570. if (unlikely(frag_len <= 4)) {
  2571. unsigned int tail = 4 - frag_len;
  2572. rxr->rx_pg_cons = pg_cons;
  2573. rxr->rx_pg_prod = pg_prod;
  2574. bnx2_reuse_rx_skb_pages(bp, rxr, NULL,
  2575. pages - i);
  2576. skb->len -= tail;
  2577. if (i == 0) {
  2578. skb->tail -= tail;
  2579. } else {
  2580. skb_frag_t *frag =
  2581. &skb_shinfo(skb)->frags[i - 1];
  2582. skb_frag_size_sub(frag, tail);
  2583. skb->data_len -= tail;
  2584. }
  2585. return skb;
  2586. }
  2587. rx_pg = &rxr->rx_pg_ring[pg_cons];
  2588. /* Don't unmap yet. If we're unable to allocate a new
  2589. * page, we need to recycle the page and the DMA addr.
  2590. */
  2591. mapping_old = dma_unmap_addr(rx_pg, mapping);
  2592. if (i == pages - 1)
  2593. frag_len -= 4;
  2594. skb_fill_page_desc(skb, i, rx_pg->page, 0, frag_len);
  2595. rx_pg->page = NULL;
  2596. err = bnx2_alloc_rx_page(bp, rxr,
  2597. BNX2_RX_PG_RING_IDX(pg_prod),
  2598. GFP_ATOMIC);
  2599. if (unlikely(err)) {
  2600. rxr->rx_pg_cons = pg_cons;
  2601. rxr->rx_pg_prod = pg_prod;
  2602. bnx2_reuse_rx_skb_pages(bp, rxr, skb,
  2603. pages - i);
  2604. return NULL;
  2605. }
  2606. dma_unmap_page(&bp->pdev->dev, mapping_old,
  2607. PAGE_SIZE, PCI_DMA_FROMDEVICE);
  2608. frag_size -= frag_len;
  2609. skb->data_len += frag_len;
  2610. skb->truesize += PAGE_SIZE;
  2611. skb->len += frag_len;
  2612. pg_prod = BNX2_NEXT_RX_BD(pg_prod);
  2613. pg_cons = BNX2_RX_PG_RING_IDX(BNX2_NEXT_RX_BD(pg_cons));
  2614. }
  2615. rxr->rx_pg_prod = pg_prod;
  2616. rxr->rx_pg_cons = pg_cons;
  2617. }
  2618. return skb;
  2619. }
  2620. static inline u16
  2621. bnx2_get_hw_rx_cons(struct bnx2_napi *bnapi)
  2622. {
  2623. u16 cons;
  2624. /* Tell compiler that status block fields can change. */
  2625. barrier();
  2626. cons = *bnapi->hw_rx_cons_ptr;
  2627. barrier();
  2628. if (unlikely((cons & BNX2_MAX_RX_DESC_CNT) == BNX2_MAX_RX_DESC_CNT))
  2629. cons++;
  2630. return cons;
  2631. }
  2632. static int
  2633. bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
  2634. {
  2635. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  2636. u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
  2637. struct l2_fhdr *rx_hdr;
  2638. int rx_pkt = 0, pg_ring_used = 0;
  2639. if (budget <= 0)
  2640. return rx_pkt;
  2641. hw_cons = bnx2_get_hw_rx_cons(bnapi);
  2642. sw_cons = rxr->rx_cons;
  2643. sw_prod = rxr->rx_prod;
  2644. /* Memory barrier necessary as speculative reads of the rx
  2645. * buffer can be ahead of the index in the status block
  2646. */
  2647. rmb();
  2648. while (sw_cons != hw_cons) {
  2649. unsigned int len, hdr_len;
  2650. u32 status;
  2651. struct bnx2_sw_bd *rx_buf, *next_rx_buf;
  2652. struct sk_buff *skb;
  2653. dma_addr_t dma_addr;
  2654. u8 *data;
  2655. u16 next_ring_idx;
  2656. sw_ring_cons = BNX2_RX_RING_IDX(sw_cons);
  2657. sw_ring_prod = BNX2_RX_RING_IDX(sw_prod);
  2658. rx_buf = &rxr->rx_buf_ring[sw_ring_cons];
  2659. data = rx_buf->data;
  2660. rx_buf->data = NULL;
  2661. rx_hdr = get_l2_fhdr(data);
  2662. prefetch(rx_hdr);
  2663. dma_addr = dma_unmap_addr(rx_buf, mapping);
  2664. dma_sync_single_for_cpu(&bp->pdev->dev, dma_addr,
  2665. BNX2_RX_OFFSET + BNX2_RX_COPY_THRESH,
  2666. PCI_DMA_FROMDEVICE);
  2667. next_ring_idx = BNX2_RX_RING_IDX(BNX2_NEXT_RX_BD(sw_cons));
  2668. next_rx_buf = &rxr->rx_buf_ring[next_ring_idx];
  2669. prefetch(get_l2_fhdr(next_rx_buf->data));
  2670. len = rx_hdr->l2_fhdr_pkt_len;
  2671. status = rx_hdr->l2_fhdr_status;
  2672. hdr_len = 0;
  2673. if (status & L2_FHDR_STATUS_SPLIT) {
  2674. hdr_len = rx_hdr->l2_fhdr_ip_xsum;
  2675. pg_ring_used = 1;
  2676. } else if (len > bp->rx_jumbo_thresh) {
  2677. hdr_len = bp->rx_jumbo_thresh;
  2678. pg_ring_used = 1;
  2679. }
  2680. if (unlikely(status & (L2_FHDR_ERRORS_BAD_CRC |
  2681. L2_FHDR_ERRORS_PHY_DECODE |
  2682. L2_FHDR_ERRORS_ALIGNMENT |
  2683. L2_FHDR_ERRORS_TOO_SHORT |
  2684. L2_FHDR_ERRORS_GIANT_FRAME))) {
  2685. bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
  2686. sw_ring_prod);
  2687. if (pg_ring_used) {
  2688. int pages;
  2689. pages = PAGE_ALIGN(len - hdr_len) >> PAGE_SHIFT;
  2690. bnx2_reuse_rx_skb_pages(bp, rxr, NULL, pages);
  2691. }
  2692. goto next_rx;
  2693. }
  2694. len -= 4;
  2695. if (len <= bp->rx_copy_thresh) {
  2696. skb = netdev_alloc_skb(bp->dev, len + 6);
  2697. if (skb == NULL) {
  2698. bnx2_reuse_rx_data(bp, rxr, data, sw_ring_cons,
  2699. sw_ring_prod);
  2700. goto next_rx;
  2701. }
  2702. /* aligned copy */
  2703. memcpy(skb->data,
  2704. (u8 *)rx_hdr + BNX2_RX_OFFSET - 6,
  2705. len + 6);
  2706. skb_reserve(skb, 6);
  2707. skb_put(skb, len);
  2708. bnx2_reuse_rx_data(bp, rxr, data,
  2709. sw_ring_cons, sw_ring_prod);
  2710. } else {
  2711. skb = bnx2_rx_skb(bp, rxr, data, len, hdr_len, dma_addr,
  2712. (sw_ring_cons << 16) | sw_ring_prod);
  2713. if (!skb)
  2714. goto next_rx;
  2715. }
  2716. if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
  2717. !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
  2718. __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rx_hdr->l2_fhdr_vlan_tag);
  2719. skb->protocol = eth_type_trans(skb, bp->dev);
  2720. if (len > (bp->dev->mtu + ETH_HLEN) &&
  2721. skb->protocol != htons(0x8100) &&
  2722. skb->protocol != htons(ETH_P_8021AD)) {
  2723. dev_kfree_skb(skb);
  2724. goto next_rx;
  2725. }
  2726. skb_checksum_none_assert(skb);
  2727. if ((bp->dev->features & NETIF_F_RXCSUM) &&
  2728. (status & (L2_FHDR_STATUS_TCP_SEGMENT |
  2729. L2_FHDR_STATUS_UDP_DATAGRAM))) {
  2730. if (likely((status & (L2_FHDR_ERRORS_TCP_XSUM |
  2731. L2_FHDR_ERRORS_UDP_XSUM)) == 0))
  2732. skb->ip_summed = CHECKSUM_UNNECESSARY;
  2733. }
  2734. if ((bp->dev->features & NETIF_F_RXHASH) &&
  2735. ((status & L2_FHDR_STATUS_USE_RXHASH) ==
  2736. L2_FHDR_STATUS_USE_RXHASH))
  2737. skb_set_hash(skb, rx_hdr->l2_fhdr_hash,
  2738. PKT_HASH_TYPE_L3);
  2739. skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
  2740. napi_gro_receive(&bnapi->napi, skb);
  2741. rx_pkt++;
  2742. next_rx:
  2743. sw_cons = BNX2_NEXT_RX_BD(sw_cons);
  2744. sw_prod = BNX2_NEXT_RX_BD(sw_prod);
  2745. if ((rx_pkt == budget))
  2746. break;
  2747. /* Refresh hw_cons to see if there is new work */
  2748. if (sw_cons == hw_cons) {
  2749. hw_cons = bnx2_get_hw_rx_cons(bnapi);
  2750. rmb();
  2751. }
  2752. }
  2753. rxr->rx_cons = sw_cons;
  2754. rxr->rx_prod = sw_prod;
  2755. if (pg_ring_used)
  2756. BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
  2757. BNX2_WR16(bp, rxr->rx_bidx_addr, sw_prod);
  2758. BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
  2759. mmiowb();
  2760. return rx_pkt;
  2761. }
  2762. /* MSI ISR - The only difference between this and the INTx ISR
  2763. * is that the MSI interrupt is always serviced.
  2764. */
  2765. static irqreturn_t
  2766. bnx2_msi(int irq, void *dev_instance)
  2767. {
  2768. struct bnx2_napi *bnapi = dev_instance;
  2769. struct bnx2 *bp = bnapi->bp;
  2770. prefetch(bnapi->status_blk.msi);
  2771. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2772. BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
  2773. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  2774. /* Return here if interrupt is disabled. */
  2775. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2776. return IRQ_HANDLED;
  2777. napi_schedule(&bnapi->napi);
  2778. return IRQ_HANDLED;
  2779. }
  2780. static irqreturn_t
  2781. bnx2_msi_1shot(int irq, void *dev_instance)
  2782. {
  2783. struct bnx2_napi *bnapi = dev_instance;
  2784. struct bnx2 *bp = bnapi->bp;
  2785. prefetch(bnapi->status_blk.msi);
  2786. /* Return here if interrupt is disabled. */
  2787. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2788. return IRQ_HANDLED;
  2789. napi_schedule(&bnapi->napi);
  2790. return IRQ_HANDLED;
  2791. }
  2792. static irqreturn_t
  2793. bnx2_interrupt(int irq, void *dev_instance)
  2794. {
  2795. struct bnx2_napi *bnapi = dev_instance;
  2796. struct bnx2 *bp = bnapi->bp;
  2797. struct status_block *sblk = bnapi->status_blk.msi;
  2798. /* When using INTx, it is possible for the interrupt to arrive
  2799. * at the CPU before the status block posted prior to the
  2800. * interrupt. Reading a register will flush the status block.
  2801. * When using MSI, the MSI message will always complete after
  2802. * the status block write.
  2803. */
  2804. if ((sblk->status_idx == bnapi->last_status_idx) &&
  2805. (BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS) &
  2806. BNX2_PCICFG_MISC_STATUS_INTA_VALUE))
  2807. return IRQ_NONE;
  2808. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2809. BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
  2810. BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  2811. /* Read back to deassert IRQ immediately to avoid too many
  2812. * spurious interrupts.
  2813. */
  2814. BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
  2815. /* Return here if interrupt is shared and is disabled. */
  2816. if (unlikely(atomic_read(&bp->intr_sem) != 0))
  2817. return IRQ_HANDLED;
  2818. if (napi_schedule_prep(&bnapi->napi)) {
  2819. bnapi->last_status_idx = sblk->status_idx;
  2820. __napi_schedule(&bnapi->napi);
  2821. }
  2822. return IRQ_HANDLED;
  2823. }
  2824. static inline int
  2825. bnx2_has_fast_work(struct bnx2_napi *bnapi)
  2826. {
  2827. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  2828. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  2829. if ((bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons) ||
  2830. (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons))
  2831. return 1;
  2832. return 0;
  2833. }
  2834. #define STATUS_ATTN_EVENTS (STATUS_ATTN_BITS_LINK_STATE | \
  2835. STATUS_ATTN_BITS_TIMER_ABORT)
  2836. static inline int
  2837. bnx2_has_work(struct bnx2_napi *bnapi)
  2838. {
  2839. struct status_block *sblk = bnapi->status_blk.msi;
  2840. if (bnx2_has_fast_work(bnapi))
  2841. return 1;
  2842. #ifdef BCM_CNIC
  2843. if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx))
  2844. return 1;
  2845. #endif
  2846. if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) !=
  2847. (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS))
  2848. return 1;
  2849. return 0;
  2850. }
  2851. static void
  2852. bnx2_chk_missed_msi(struct bnx2 *bp)
  2853. {
  2854. struct bnx2_napi *bnapi = &bp->bnx2_napi[0];
  2855. u32 msi_ctrl;
  2856. if (bnx2_has_work(bnapi)) {
  2857. msi_ctrl = BNX2_RD(bp, BNX2_PCICFG_MSI_CONTROL);
  2858. if (!(msi_ctrl & BNX2_PCICFG_MSI_CONTROL_ENABLE))
  2859. return;
  2860. if (bnapi->last_status_idx == bp->idle_chk_status_idx) {
  2861. BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl &
  2862. ~BNX2_PCICFG_MSI_CONTROL_ENABLE);
  2863. BNX2_WR(bp, BNX2_PCICFG_MSI_CONTROL, msi_ctrl);
  2864. bnx2_msi(bp->irq_tbl[0].vector, bnapi);
  2865. }
  2866. }
  2867. bp->idle_chk_status_idx = bnapi->last_status_idx;
  2868. }
  2869. #ifdef BCM_CNIC
  2870. static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi)
  2871. {
  2872. struct cnic_ops *c_ops;
  2873. if (!bnapi->cnic_present)
  2874. return;
  2875. rcu_read_lock();
  2876. c_ops = rcu_dereference(bp->cnic_ops);
  2877. if (c_ops)
  2878. bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data,
  2879. bnapi->status_blk.msi);
  2880. rcu_read_unlock();
  2881. }
  2882. #endif
  2883. static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi)
  2884. {
  2885. struct status_block *sblk = bnapi->status_blk.msi;
  2886. u32 status_attn_bits = sblk->status_attn_bits;
  2887. u32 status_attn_bits_ack = sblk->status_attn_bits_ack;
  2888. if ((status_attn_bits & STATUS_ATTN_EVENTS) !=
  2889. (status_attn_bits_ack & STATUS_ATTN_EVENTS)) {
  2890. bnx2_phy_int(bp, bnapi);
  2891. /* This is needed to take care of transient status
  2892. * during link changes.
  2893. */
  2894. BNX2_WR(bp, BNX2_HC_COMMAND,
  2895. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  2896. BNX2_RD(bp, BNX2_HC_COMMAND);
  2897. }
  2898. }
  2899. static int bnx2_poll_work(struct bnx2 *bp, struct bnx2_napi *bnapi,
  2900. int work_done, int budget)
  2901. {
  2902. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  2903. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  2904. if (bnx2_get_hw_tx_cons(bnapi) != txr->hw_tx_cons)
  2905. bnx2_tx_int(bp, bnapi, 0);
  2906. if (bnx2_get_hw_rx_cons(bnapi) != rxr->rx_cons)
  2907. work_done += bnx2_rx_int(bp, bnapi, budget - work_done);
  2908. return work_done;
  2909. }
  2910. static int bnx2_poll_msix(struct napi_struct *napi, int budget)
  2911. {
  2912. struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
  2913. struct bnx2 *bp = bnapi->bp;
  2914. int work_done = 0;
  2915. struct status_block_msix *sblk = bnapi->status_blk.msix;
  2916. while (1) {
  2917. work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
  2918. if (unlikely(work_done >= budget))
  2919. break;
  2920. bnapi->last_status_idx = sblk->status_idx;
  2921. /* status idx must be read before checking for more work. */
  2922. rmb();
  2923. if (likely(!bnx2_has_fast_work(bnapi))) {
  2924. napi_complete(napi);
  2925. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, bnapi->int_num |
  2926. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2927. bnapi->last_status_idx);
  2928. break;
  2929. }
  2930. }
  2931. return work_done;
  2932. }
  2933. static int bnx2_poll(struct napi_struct *napi, int budget)
  2934. {
  2935. struct bnx2_napi *bnapi = container_of(napi, struct bnx2_napi, napi);
  2936. struct bnx2 *bp = bnapi->bp;
  2937. int work_done = 0;
  2938. struct status_block *sblk = bnapi->status_blk.msi;
  2939. while (1) {
  2940. bnx2_poll_link(bp, bnapi);
  2941. work_done = bnx2_poll_work(bp, bnapi, work_done, budget);
  2942. #ifdef BCM_CNIC
  2943. bnx2_poll_cnic(bp, bnapi);
  2944. #endif
  2945. /* bnapi->last_status_idx is used below to tell the hw how
  2946. * much work has been processed, so we must read it before
  2947. * checking for more work.
  2948. */
  2949. bnapi->last_status_idx = sblk->status_idx;
  2950. if (unlikely(work_done >= budget))
  2951. break;
  2952. rmb();
  2953. if (likely(!bnx2_has_work(bnapi))) {
  2954. napi_complete(napi);
  2955. if (likely(bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)) {
  2956. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2957. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2958. bnapi->last_status_idx);
  2959. break;
  2960. }
  2961. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2962. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2963. BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
  2964. bnapi->last_status_idx);
  2965. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
  2966. BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
  2967. bnapi->last_status_idx);
  2968. break;
  2969. }
  2970. }
  2971. return work_done;
  2972. }
  2973. /* Called with rtnl_lock from vlan functions and also netif_tx_lock
  2974. * from set_multicast.
  2975. */
  2976. static void
  2977. bnx2_set_rx_mode(struct net_device *dev)
  2978. {
  2979. struct bnx2 *bp = netdev_priv(dev);
  2980. u32 rx_mode, sort_mode;
  2981. struct netdev_hw_addr *ha;
  2982. int i;
  2983. if (!netif_running(dev))
  2984. return;
  2985. spin_lock_bh(&bp->phy_lock);
  2986. rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
  2987. BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
  2988. sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
  2989. if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
  2990. (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
  2991. rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
  2992. if (dev->flags & IFF_PROMISC) {
  2993. /* Promiscuous mode. */
  2994. rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
  2995. sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
  2996. BNX2_RPM_SORT_USER0_PROM_VLAN;
  2997. }
  2998. else if (dev->flags & IFF_ALLMULTI) {
  2999. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  3000. BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  3001. 0xffffffff);
  3002. }
  3003. sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
  3004. }
  3005. else {
  3006. /* Accept one or more multicast(s). */
  3007. u32 mc_filter[NUM_MC_HASH_REGISTERS];
  3008. u32 regidx;
  3009. u32 bit;
  3010. u32 crc;
  3011. memset(mc_filter, 0, 4 * NUM_MC_HASH_REGISTERS);
  3012. netdev_for_each_mc_addr(ha, dev) {
  3013. crc = ether_crc_le(ETH_ALEN, ha->addr);
  3014. bit = crc & 0xff;
  3015. regidx = (bit & 0xe0) >> 5;
  3016. bit &= 0x1f;
  3017. mc_filter[regidx] |= (1 << bit);
  3018. }
  3019. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  3020. BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  3021. mc_filter[i]);
  3022. }
  3023. sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
  3024. }
  3025. if (netdev_uc_count(dev) > BNX2_MAX_UNICAST_ADDRESSES) {
  3026. rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
  3027. sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
  3028. BNX2_RPM_SORT_USER0_PROM_VLAN;
  3029. } else if (!(dev->flags & IFF_PROMISC)) {
  3030. /* Add all entries into to the match filter list */
  3031. i = 0;
  3032. netdev_for_each_uc_addr(ha, dev) {
  3033. bnx2_set_mac_addr(bp, ha->addr,
  3034. i + BNX2_START_UNICAST_ADDRESS_INDEX);
  3035. sort_mode |= (1 <<
  3036. (i + BNX2_START_UNICAST_ADDRESS_INDEX));
  3037. i++;
  3038. }
  3039. }
  3040. if (rx_mode != bp->rx_mode) {
  3041. bp->rx_mode = rx_mode;
  3042. BNX2_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
  3043. }
  3044. BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
  3045. BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
  3046. BNX2_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
  3047. spin_unlock_bh(&bp->phy_lock);
  3048. }
  3049. static int
  3050. check_fw_section(const struct firmware *fw,
  3051. const struct bnx2_fw_file_section *section,
  3052. u32 alignment, bool non_empty)
  3053. {
  3054. u32 offset = be32_to_cpu(section->offset);
  3055. u32 len = be32_to_cpu(section->len);
  3056. if ((offset == 0 && len != 0) || offset >= fw->size || offset & 3)
  3057. return -EINVAL;
  3058. if ((non_empty && len == 0) || len > fw->size - offset ||
  3059. len & (alignment - 1))
  3060. return -EINVAL;
  3061. return 0;
  3062. }
  3063. static int
  3064. check_mips_fw_entry(const struct firmware *fw,
  3065. const struct bnx2_mips_fw_file_entry *entry)
  3066. {
  3067. if (check_fw_section(fw, &entry->text, 4, true) ||
  3068. check_fw_section(fw, &entry->data, 4, false) ||
  3069. check_fw_section(fw, &entry->rodata, 4, false))
  3070. return -EINVAL;
  3071. return 0;
  3072. }
  3073. static void bnx2_release_firmware(struct bnx2 *bp)
  3074. {
  3075. if (bp->rv2p_firmware) {
  3076. release_firmware(bp->mips_firmware);
  3077. release_firmware(bp->rv2p_firmware);
  3078. bp->rv2p_firmware = NULL;
  3079. }
  3080. }
  3081. static int bnx2_request_uncached_firmware(struct bnx2 *bp)
  3082. {
  3083. const char *mips_fw_file, *rv2p_fw_file;
  3084. const struct bnx2_mips_fw_file *mips_fw;
  3085. const struct bnx2_rv2p_fw_file *rv2p_fw;
  3086. int rc;
  3087. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  3088. mips_fw_file = FW_MIPS_FILE_09;
  3089. if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A0) ||
  3090. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5709_A1))
  3091. rv2p_fw_file = FW_RV2P_FILE_09_Ax;
  3092. else
  3093. rv2p_fw_file = FW_RV2P_FILE_09;
  3094. } else {
  3095. mips_fw_file = FW_MIPS_FILE_06;
  3096. rv2p_fw_file = FW_RV2P_FILE_06;
  3097. }
  3098. rc = reject_firmware(&bp->mips_firmware, mips_fw_file, &bp->pdev->dev);
  3099. if (rc) {
  3100. pr_err("Can't load firmware file \"%s\"\n", mips_fw_file);
  3101. goto out;
  3102. }
  3103. rc = reject_firmware(&bp->rv2p_firmware, rv2p_fw_file, &bp->pdev->dev);
  3104. if (rc) {
  3105. pr_err("Can't load firmware file \"%s\"\n", rv2p_fw_file);
  3106. goto err_release_mips_firmware;
  3107. }
  3108. mips_fw = (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
  3109. rv2p_fw = (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
  3110. if (bp->mips_firmware->size < sizeof(*mips_fw) ||
  3111. check_mips_fw_entry(bp->mips_firmware, &mips_fw->com) ||
  3112. check_mips_fw_entry(bp->mips_firmware, &mips_fw->cp) ||
  3113. check_mips_fw_entry(bp->mips_firmware, &mips_fw->rxp) ||
  3114. check_mips_fw_entry(bp->mips_firmware, &mips_fw->tpat) ||
  3115. check_mips_fw_entry(bp->mips_firmware, &mips_fw->txp)) {
  3116. pr_err("Firmware file \"%s\" is invalid\n", mips_fw_file);
  3117. rc = -EINVAL;
  3118. goto err_release_firmware;
  3119. }
  3120. if (bp->rv2p_firmware->size < sizeof(*rv2p_fw) ||
  3121. check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc1.rv2p, 8, true) ||
  3122. check_fw_section(bp->rv2p_firmware, &rv2p_fw->proc2.rv2p, 8, true)) {
  3123. pr_err("Firmware file \"%s\" is invalid\n", rv2p_fw_file);
  3124. rc = -EINVAL;
  3125. goto err_release_firmware;
  3126. }
  3127. out:
  3128. return rc;
  3129. err_release_firmware:
  3130. release_firmware(bp->rv2p_firmware);
  3131. bp->rv2p_firmware = NULL;
  3132. err_release_mips_firmware:
  3133. release_firmware(bp->mips_firmware);
  3134. goto out;
  3135. }
  3136. static int bnx2_request_firmware(struct bnx2 *bp)
  3137. {
  3138. return bp->rv2p_firmware ? 0 : bnx2_request_uncached_firmware(bp);
  3139. }
  3140. static u32
  3141. rv2p_fw_fixup(u32 rv2p_proc, int idx, u32 loc, u32 rv2p_code)
  3142. {
  3143. switch (idx) {
  3144. case RV2P_P1_FIXUP_PAGE_SIZE_IDX:
  3145. rv2p_code &= ~RV2P_BD_PAGE_SIZE_MSK;
  3146. rv2p_code |= RV2P_BD_PAGE_SIZE;
  3147. break;
  3148. }
  3149. return rv2p_code;
  3150. }
  3151. static int
  3152. load_rv2p_fw(struct bnx2 *bp, u32 rv2p_proc,
  3153. const struct bnx2_rv2p_fw_file_entry *fw_entry)
  3154. {
  3155. u32 rv2p_code_len, file_offset;
  3156. __be32 *rv2p_code;
  3157. int i;
  3158. u32 val, cmd, addr;
  3159. rv2p_code_len = be32_to_cpu(fw_entry->rv2p.len);
  3160. file_offset = be32_to_cpu(fw_entry->rv2p.offset);
  3161. rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
  3162. if (rv2p_proc == RV2P_PROC1) {
  3163. cmd = BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
  3164. addr = BNX2_RV2P_PROC1_ADDR_CMD;
  3165. } else {
  3166. cmd = BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
  3167. addr = BNX2_RV2P_PROC2_ADDR_CMD;
  3168. }
  3169. for (i = 0; i < rv2p_code_len; i += 8) {
  3170. BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, be32_to_cpu(*rv2p_code));
  3171. rv2p_code++;
  3172. BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, be32_to_cpu(*rv2p_code));
  3173. rv2p_code++;
  3174. val = (i / 8) | cmd;
  3175. BNX2_WR(bp, addr, val);
  3176. }
  3177. rv2p_code = (__be32 *)(bp->rv2p_firmware->data + file_offset);
  3178. for (i = 0; i < 8; i++) {
  3179. u32 loc, code;
  3180. loc = be32_to_cpu(fw_entry->fixup[i]);
  3181. if (loc && ((loc * 4) < rv2p_code_len)) {
  3182. code = be32_to_cpu(*(rv2p_code + loc - 1));
  3183. BNX2_WR(bp, BNX2_RV2P_INSTR_HIGH, code);
  3184. code = be32_to_cpu(*(rv2p_code + loc));
  3185. code = rv2p_fw_fixup(rv2p_proc, i, loc, code);
  3186. BNX2_WR(bp, BNX2_RV2P_INSTR_LOW, code);
  3187. val = (loc / 2) | cmd;
  3188. BNX2_WR(bp, addr, val);
  3189. }
  3190. }
  3191. /* Reset the processor, un-stall is done later. */
  3192. if (rv2p_proc == RV2P_PROC1) {
  3193. BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
  3194. }
  3195. else {
  3196. BNX2_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
  3197. }
  3198. return 0;
  3199. }
  3200. static int
  3201. load_cpu_fw(struct bnx2 *bp, const struct cpu_reg *cpu_reg,
  3202. const struct bnx2_mips_fw_file_entry *fw_entry)
  3203. {
  3204. u32 addr, len, file_offset;
  3205. __be32 *data;
  3206. u32 offset;
  3207. u32 val;
  3208. /* Halt the CPU. */
  3209. val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
  3210. val |= cpu_reg->mode_value_halt;
  3211. bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
  3212. bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
  3213. /* Load the Text area. */
  3214. addr = be32_to_cpu(fw_entry->text.addr);
  3215. len = be32_to_cpu(fw_entry->text.len);
  3216. file_offset = be32_to_cpu(fw_entry->text.offset);
  3217. data = (__be32 *)(bp->mips_firmware->data + file_offset);
  3218. offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
  3219. if (len) {
  3220. int j;
  3221. for (j = 0; j < (len / 4); j++, offset += 4)
  3222. bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
  3223. }
  3224. /* Load the Data area. */
  3225. addr = be32_to_cpu(fw_entry->data.addr);
  3226. len = be32_to_cpu(fw_entry->data.len);
  3227. file_offset = be32_to_cpu(fw_entry->data.offset);
  3228. data = (__be32 *)(bp->mips_firmware->data + file_offset);
  3229. offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
  3230. if (len) {
  3231. int j;
  3232. for (j = 0; j < (len / 4); j++, offset += 4)
  3233. bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
  3234. }
  3235. /* Load the Read-Only area. */
  3236. addr = be32_to_cpu(fw_entry->rodata.addr);
  3237. len = be32_to_cpu(fw_entry->rodata.len);
  3238. file_offset = be32_to_cpu(fw_entry->rodata.offset);
  3239. data = (__be32 *)(bp->mips_firmware->data + file_offset);
  3240. offset = cpu_reg->spad_base + (addr - cpu_reg->mips_view_base);
  3241. if (len) {
  3242. int j;
  3243. for (j = 0; j < (len / 4); j++, offset += 4)
  3244. bnx2_reg_wr_ind(bp, offset, be32_to_cpu(data[j]));
  3245. }
  3246. /* Clear the pre-fetch instruction. */
  3247. bnx2_reg_wr_ind(bp, cpu_reg->inst, 0);
  3248. val = be32_to_cpu(fw_entry->start_addr);
  3249. bnx2_reg_wr_ind(bp, cpu_reg->pc, val);
  3250. /* Start the CPU. */
  3251. val = bnx2_reg_rd_ind(bp, cpu_reg->mode);
  3252. val &= ~cpu_reg->mode_value_halt;
  3253. bnx2_reg_wr_ind(bp, cpu_reg->state, cpu_reg->state_value_clear);
  3254. bnx2_reg_wr_ind(bp, cpu_reg->mode, val);
  3255. return 0;
  3256. }
  3257. static int
  3258. bnx2_init_cpus(struct bnx2 *bp)
  3259. {
  3260. const struct bnx2_mips_fw_file *mips_fw =
  3261. (const struct bnx2_mips_fw_file *) bp->mips_firmware->data;
  3262. const struct bnx2_rv2p_fw_file *rv2p_fw =
  3263. (const struct bnx2_rv2p_fw_file *) bp->rv2p_firmware->data;
  3264. int rc;
  3265. /* Initialize the RV2P processor. */
  3266. load_rv2p_fw(bp, RV2P_PROC1, &rv2p_fw->proc1);
  3267. load_rv2p_fw(bp, RV2P_PROC2, &rv2p_fw->proc2);
  3268. /* Initialize the RX Processor. */
  3269. rc = load_cpu_fw(bp, &cpu_reg_rxp, &mips_fw->rxp);
  3270. if (rc)
  3271. goto init_cpu_err;
  3272. /* Initialize the TX Processor. */
  3273. rc = load_cpu_fw(bp, &cpu_reg_txp, &mips_fw->txp);
  3274. if (rc)
  3275. goto init_cpu_err;
  3276. /* Initialize the TX Patch-up Processor. */
  3277. rc = load_cpu_fw(bp, &cpu_reg_tpat, &mips_fw->tpat);
  3278. if (rc)
  3279. goto init_cpu_err;
  3280. /* Initialize the Completion Processor. */
  3281. rc = load_cpu_fw(bp, &cpu_reg_com, &mips_fw->com);
  3282. if (rc)
  3283. goto init_cpu_err;
  3284. /* Initialize the Command Processor. */
  3285. rc = load_cpu_fw(bp, &cpu_reg_cp, &mips_fw->cp);
  3286. init_cpu_err:
  3287. return rc;
  3288. }
  3289. static void
  3290. bnx2_setup_wol(struct bnx2 *bp)
  3291. {
  3292. int i;
  3293. u32 val, wol_msg;
  3294. if (bp->wol) {
  3295. u32 advertising;
  3296. u8 autoneg;
  3297. autoneg = bp->autoneg;
  3298. advertising = bp->advertising;
  3299. if (bp->phy_port == PORT_TP) {
  3300. bp->autoneg = AUTONEG_SPEED;
  3301. bp->advertising = ADVERTISED_10baseT_Half |
  3302. ADVERTISED_10baseT_Full |
  3303. ADVERTISED_100baseT_Half |
  3304. ADVERTISED_100baseT_Full |
  3305. ADVERTISED_Autoneg;
  3306. }
  3307. spin_lock_bh(&bp->phy_lock);
  3308. bnx2_setup_phy(bp, bp->phy_port);
  3309. spin_unlock_bh(&bp->phy_lock);
  3310. bp->autoneg = autoneg;
  3311. bp->advertising = advertising;
  3312. bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
  3313. val = BNX2_RD(bp, BNX2_EMAC_MODE);
  3314. /* Enable port mode. */
  3315. val &= ~BNX2_EMAC_MODE_PORT;
  3316. val |= BNX2_EMAC_MODE_MPKT_RCVD |
  3317. BNX2_EMAC_MODE_ACPI_RCVD |
  3318. BNX2_EMAC_MODE_MPKT;
  3319. if (bp->phy_port == PORT_TP) {
  3320. val |= BNX2_EMAC_MODE_PORT_MII;
  3321. } else {
  3322. val |= BNX2_EMAC_MODE_PORT_GMII;
  3323. if (bp->line_speed == SPEED_2500)
  3324. val |= BNX2_EMAC_MODE_25G_MODE;
  3325. }
  3326. BNX2_WR(bp, BNX2_EMAC_MODE, val);
  3327. /* receive all multicast */
  3328. for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
  3329. BNX2_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
  3330. 0xffffffff);
  3331. }
  3332. BNX2_WR(bp, BNX2_EMAC_RX_MODE, BNX2_EMAC_RX_MODE_SORT_MODE);
  3333. val = 1 | BNX2_RPM_SORT_USER0_BC_EN | BNX2_RPM_SORT_USER0_MC_EN;
  3334. BNX2_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
  3335. BNX2_WR(bp, BNX2_RPM_SORT_USER0, val);
  3336. BNX2_WR(bp, BNX2_RPM_SORT_USER0, val | BNX2_RPM_SORT_USER0_ENA);
  3337. /* Need to enable EMAC and RPM for WOL. */
  3338. BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  3339. BNX2_MISC_ENABLE_SET_BITS_RX_PARSER_MAC_ENABLE |
  3340. BNX2_MISC_ENABLE_SET_BITS_TX_HEADER_Q_ENABLE |
  3341. BNX2_MISC_ENABLE_SET_BITS_EMAC_ENABLE);
  3342. val = BNX2_RD(bp, BNX2_RPM_CONFIG);
  3343. val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
  3344. BNX2_WR(bp, BNX2_RPM_CONFIG, val);
  3345. wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  3346. } else {
  3347. wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  3348. }
  3349. if (!(bp->flags & BNX2_FLAG_NO_WOL)) {
  3350. u32 val;
  3351. wol_msg |= BNX2_DRV_MSG_DATA_WAIT3;
  3352. if (bp->fw_last_msg || BNX2_CHIP(bp) != BNX2_CHIP_5709) {
  3353. bnx2_fw_sync(bp, wol_msg, 1, 0);
  3354. return;
  3355. }
  3356. /* Tell firmware not to power down the PHY yet, otherwise
  3357. * the chip will take a long time to respond to MMIO reads.
  3358. */
  3359. val = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
  3360. bnx2_shmem_wr(bp, BNX2_PORT_FEATURE,
  3361. val | BNX2_PORT_FEATURE_ASF_ENABLED);
  3362. bnx2_fw_sync(bp, wol_msg, 1, 0);
  3363. bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, val);
  3364. }
  3365. }
  3366. static int
  3367. bnx2_set_power_state(struct bnx2 *bp, pci_power_t state)
  3368. {
  3369. switch (state) {
  3370. case PCI_D0: {
  3371. u32 val;
  3372. pci_enable_wake(bp->pdev, PCI_D0, false);
  3373. pci_set_power_state(bp->pdev, PCI_D0);
  3374. val = BNX2_RD(bp, BNX2_EMAC_MODE);
  3375. val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
  3376. val &= ~BNX2_EMAC_MODE_MPKT;
  3377. BNX2_WR(bp, BNX2_EMAC_MODE, val);
  3378. val = BNX2_RD(bp, BNX2_RPM_CONFIG);
  3379. val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
  3380. BNX2_WR(bp, BNX2_RPM_CONFIG, val);
  3381. break;
  3382. }
  3383. case PCI_D3hot: {
  3384. bnx2_setup_wol(bp);
  3385. pci_wake_from_d3(bp->pdev, bp->wol);
  3386. if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
  3387. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)) {
  3388. if (bp->wol)
  3389. pci_set_power_state(bp->pdev, PCI_D3hot);
  3390. break;
  3391. }
  3392. if (!bp->fw_last_msg && BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  3393. u32 val;
  3394. /* Tell firmware not to power down the PHY yet,
  3395. * otherwise the other port may not respond to
  3396. * MMIO reads.
  3397. */
  3398. val = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
  3399. val &= ~BNX2_CONDITION_PM_STATE_MASK;
  3400. val |= BNX2_CONDITION_PM_STATE_UNPREP;
  3401. bnx2_shmem_wr(bp, BNX2_BC_STATE_CONDITION, val);
  3402. }
  3403. pci_set_power_state(bp->pdev, PCI_D3hot);
  3404. /* No more memory access after this point until
  3405. * device is brought back to D0.
  3406. */
  3407. break;
  3408. }
  3409. default:
  3410. return -EINVAL;
  3411. }
  3412. return 0;
  3413. }
  3414. static int
  3415. bnx2_acquire_nvram_lock(struct bnx2 *bp)
  3416. {
  3417. u32 val;
  3418. int j;
  3419. /* Request access to the flash interface. */
  3420. BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_SET2);
  3421. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3422. val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
  3423. if (val & BNX2_NVM_SW_ARB_ARB_ARB2)
  3424. break;
  3425. udelay(5);
  3426. }
  3427. if (j >= NVRAM_TIMEOUT_COUNT)
  3428. return -EBUSY;
  3429. return 0;
  3430. }
  3431. static int
  3432. bnx2_release_nvram_lock(struct bnx2 *bp)
  3433. {
  3434. int j;
  3435. u32 val;
  3436. /* Relinquish nvram interface. */
  3437. BNX2_WR(bp, BNX2_NVM_SW_ARB, BNX2_NVM_SW_ARB_ARB_REQ_CLR2);
  3438. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3439. val = BNX2_RD(bp, BNX2_NVM_SW_ARB);
  3440. if (!(val & BNX2_NVM_SW_ARB_ARB_ARB2))
  3441. break;
  3442. udelay(5);
  3443. }
  3444. if (j >= NVRAM_TIMEOUT_COUNT)
  3445. return -EBUSY;
  3446. return 0;
  3447. }
  3448. static int
  3449. bnx2_enable_nvram_write(struct bnx2 *bp)
  3450. {
  3451. u32 val;
  3452. val = BNX2_RD(bp, BNX2_MISC_CFG);
  3453. BNX2_WR(bp, BNX2_MISC_CFG, val | BNX2_MISC_CFG_NVM_WR_EN_PCI);
  3454. if (bp->flash_info->flags & BNX2_NV_WREN) {
  3455. int j;
  3456. BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3457. BNX2_WR(bp, BNX2_NVM_COMMAND,
  3458. BNX2_NVM_COMMAND_WREN | BNX2_NVM_COMMAND_DOIT);
  3459. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3460. udelay(5);
  3461. val = BNX2_RD(bp, BNX2_NVM_COMMAND);
  3462. if (val & BNX2_NVM_COMMAND_DONE)
  3463. break;
  3464. }
  3465. if (j >= NVRAM_TIMEOUT_COUNT)
  3466. return -EBUSY;
  3467. }
  3468. return 0;
  3469. }
  3470. static void
  3471. bnx2_disable_nvram_write(struct bnx2 *bp)
  3472. {
  3473. u32 val;
  3474. val = BNX2_RD(bp, BNX2_MISC_CFG);
  3475. BNX2_WR(bp, BNX2_MISC_CFG, val & ~BNX2_MISC_CFG_NVM_WR_EN);
  3476. }
  3477. static void
  3478. bnx2_enable_nvram_access(struct bnx2 *bp)
  3479. {
  3480. u32 val;
  3481. val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
  3482. /* Enable both bits, even on read. */
  3483. BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
  3484. val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
  3485. }
  3486. static void
  3487. bnx2_disable_nvram_access(struct bnx2 *bp)
  3488. {
  3489. u32 val;
  3490. val = BNX2_RD(bp, BNX2_NVM_ACCESS_ENABLE);
  3491. /* Disable both bits, even after read. */
  3492. BNX2_WR(bp, BNX2_NVM_ACCESS_ENABLE,
  3493. val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
  3494. BNX2_NVM_ACCESS_ENABLE_WR_EN));
  3495. }
  3496. static int
  3497. bnx2_nvram_erase_page(struct bnx2 *bp, u32 offset)
  3498. {
  3499. u32 cmd;
  3500. int j;
  3501. if (bp->flash_info->flags & BNX2_NV_BUFFERED)
  3502. /* Buffered flash, no erase needed */
  3503. return 0;
  3504. /* Build an erase command */
  3505. cmd = BNX2_NVM_COMMAND_ERASE | BNX2_NVM_COMMAND_WR |
  3506. BNX2_NVM_COMMAND_DOIT;
  3507. /* Need to clear DONE bit separately. */
  3508. BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3509. /* Address of the NVRAM to read from. */
  3510. BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  3511. /* Issue an erase command. */
  3512. BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
  3513. /* Wait for completion. */
  3514. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3515. u32 val;
  3516. udelay(5);
  3517. val = BNX2_RD(bp, BNX2_NVM_COMMAND);
  3518. if (val & BNX2_NVM_COMMAND_DONE)
  3519. break;
  3520. }
  3521. if (j >= NVRAM_TIMEOUT_COUNT)
  3522. return -EBUSY;
  3523. return 0;
  3524. }
  3525. static int
  3526. bnx2_nvram_read_dword(struct bnx2 *bp, u32 offset, u8 *ret_val, u32 cmd_flags)
  3527. {
  3528. u32 cmd;
  3529. int j;
  3530. /* Build the command word. */
  3531. cmd = BNX2_NVM_COMMAND_DOIT | cmd_flags;
  3532. /* Calculate an offset of a buffered flash, not needed for 5709. */
  3533. if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
  3534. offset = ((offset / bp->flash_info->page_size) <<
  3535. bp->flash_info->page_bits) +
  3536. (offset % bp->flash_info->page_size);
  3537. }
  3538. /* Need to clear DONE bit separately. */
  3539. BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3540. /* Address of the NVRAM to read from. */
  3541. BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  3542. /* Issue a read command. */
  3543. BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
  3544. /* Wait for completion. */
  3545. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3546. u32 val;
  3547. udelay(5);
  3548. val = BNX2_RD(bp, BNX2_NVM_COMMAND);
  3549. if (val & BNX2_NVM_COMMAND_DONE) {
  3550. __be32 v = cpu_to_be32(BNX2_RD(bp, BNX2_NVM_READ));
  3551. memcpy(ret_val, &v, 4);
  3552. break;
  3553. }
  3554. }
  3555. if (j >= NVRAM_TIMEOUT_COUNT)
  3556. return -EBUSY;
  3557. return 0;
  3558. }
  3559. static int
  3560. bnx2_nvram_write_dword(struct bnx2 *bp, u32 offset, u8 *val, u32 cmd_flags)
  3561. {
  3562. u32 cmd;
  3563. __be32 val32;
  3564. int j;
  3565. /* Build the command word. */
  3566. cmd = BNX2_NVM_COMMAND_DOIT | BNX2_NVM_COMMAND_WR | cmd_flags;
  3567. /* Calculate an offset of a buffered flash, not needed for 5709. */
  3568. if (bp->flash_info->flags & BNX2_NV_TRANSLATE) {
  3569. offset = ((offset / bp->flash_info->page_size) <<
  3570. bp->flash_info->page_bits) +
  3571. (offset % bp->flash_info->page_size);
  3572. }
  3573. /* Need to clear DONE bit separately. */
  3574. BNX2_WR(bp, BNX2_NVM_COMMAND, BNX2_NVM_COMMAND_DONE);
  3575. memcpy(&val32, val, 4);
  3576. /* Write the data. */
  3577. BNX2_WR(bp, BNX2_NVM_WRITE, be32_to_cpu(val32));
  3578. /* Address of the NVRAM to write to. */
  3579. BNX2_WR(bp, BNX2_NVM_ADDR, offset & BNX2_NVM_ADDR_NVM_ADDR_VALUE);
  3580. /* Issue the write command. */
  3581. BNX2_WR(bp, BNX2_NVM_COMMAND, cmd);
  3582. /* Wait for completion. */
  3583. for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
  3584. udelay(5);
  3585. if (BNX2_RD(bp, BNX2_NVM_COMMAND) & BNX2_NVM_COMMAND_DONE)
  3586. break;
  3587. }
  3588. if (j >= NVRAM_TIMEOUT_COUNT)
  3589. return -EBUSY;
  3590. return 0;
  3591. }
  3592. static int
  3593. bnx2_init_nvram(struct bnx2 *bp)
  3594. {
  3595. u32 val;
  3596. int j, entry_count, rc = 0;
  3597. const struct flash_spec *flash;
  3598. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  3599. bp->flash_info = &flash_5709;
  3600. goto get_flash_size;
  3601. }
  3602. /* Determine the selected interface. */
  3603. val = BNX2_RD(bp, BNX2_NVM_CFG1);
  3604. entry_count = ARRAY_SIZE(flash_table);
  3605. if (val & 0x40000000) {
  3606. /* Flash interface has been reconfigured */
  3607. for (j = 0, flash = &flash_table[0]; j < entry_count;
  3608. j++, flash++) {
  3609. if ((val & FLASH_BACKUP_STRAP_MASK) ==
  3610. (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
  3611. bp->flash_info = flash;
  3612. break;
  3613. }
  3614. }
  3615. }
  3616. else {
  3617. u32 mask;
  3618. /* Not yet been reconfigured */
  3619. if (val & (1 << 23))
  3620. mask = FLASH_BACKUP_STRAP_MASK;
  3621. else
  3622. mask = FLASH_STRAP_MASK;
  3623. for (j = 0, flash = &flash_table[0]; j < entry_count;
  3624. j++, flash++) {
  3625. if ((val & mask) == (flash->strapping & mask)) {
  3626. bp->flash_info = flash;
  3627. /* Request access to the flash interface. */
  3628. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3629. return rc;
  3630. /* Enable access to flash interface */
  3631. bnx2_enable_nvram_access(bp);
  3632. /* Reconfigure the flash interface */
  3633. BNX2_WR(bp, BNX2_NVM_CFG1, flash->config1);
  3634. BNX2_WR(bp, BNX2_NVM_CFG2, flash->config2);
  3635. BNX2_WR(bp, BNX2_NVM_CFG3, flash->config3);
  3636. BNX2_WR(bp, BNX2_NVM_WRITE1, flash->write1);
  3637. /* Disable access to flash interface */
  3638. bnx2_disable_nvram_access(bp);
  3639. bnx2_release_nvram_lock(bp);
  3640. break;
  3641. }
  3642. }
  3643. } /* if (val & 0x40000000) */
  3644. if (j == entry_count) {
  3645. bp->flash_info = NULL;
  3646. pr_alert("Unknown flash/EEPROM type\n");
  3647. return -ENODEV;
  3648. }
  3649. get_flash_size:
  3650. val = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG2);
  3651. val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
  3652. if (val)
  3653. bp->flash_size = val;
  3654. else
  3655. bp->flash_size = bp->flash_info->total_size;
  3656. return rc;
  3657. }
  3658. static int
  3659. bnx2_nvram_read(struct bnx2 *bp, u32 offset, u8 *ret_buf,
  3660. int buf_size)
  3661. {
  3662. int rc = 0;
  3663. u32 cmd_flags, offset32, len32, extra;
  3664. if (buf_size == 0)
  3665. return 0;
  3666. /* Request access to the flash interface. */
  3667. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3668. return rc;
  3669. /* Enable access to flash interface */
  3670. bnx2_enable_nvram_access(bp);
  3671. len32 = buf_size;
  3672. offset32 = offset;
  3673. extra = 0;
  3674. cmd_flags = 0;
  3675. if (offset32 & 3) {
  3676. u8 buf[4];
  3677. u32 pre_len;
  3678. offset32 &= ~3;
  3679. pre_len = 4 - (offset & 3);
  3680. if (pre_len >= len32) {
  3681. pre_len = len32;
  3682. cmd_flags = BNX2_NVM_COMMAND_FIRST |
  3683. BNX2_NVM_COMMAND_LAST;
  3684. }
  3685. else {
  3686. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3687. }
  3688. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3689. if (rc)
  3690. return rc;
  3691. memcpy(ret_buf, buf + (offset & 3), pre_len);
  3692. offset32 += 4;
  3693. ret_buf += pre_len;
  3694. len32 -= pre_len;
  3695. }
  3696. if (len32 & 3) {
  3697. extra = 4 - (len32 & 3);
  3698. len32 = (len32 + 4) & ~3;
  3699. }
  3700. if (len32 == 4) {
  3701. u8 buf[4];
  3702. if (cmd_flags)
  3703. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3704. else
  3705. cmd_flags = BNX2_NVM_COMMAND_FIRST |
  3706. BNX2_NVM_COMMAND_LAST;
  3707. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3708. memcpy(ret_buf, buf, 4 - extra);
  3709. }
  3710. else if (len32 > 0) {
  3711. u8 buf[4];
  3712. /* Read the first word. */
  3713. if (cmd_flags)
  3714. cmd_flags = 0;
  3715. else
  3716. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3717. rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, cmd_flags);
  3718. /* Advance to the next dword. */
  3719. offset32 += 4;
  3720. ret_buf += 4;
  3721. len32 -= 4;
  3722. while (len32 > 4 && rc == 0) {
  3723. rc = bnx2_nvram_read_dword(bp, offset32, ret_buf, 0);
  3724. /* Advance to the next dword. */
  3725. offset32 += 4;
  3726. ret_buf += 4;
  3727. len32 -= 4;
  3728. }
  3729. if (rc)
  3730. return rc;
  3731. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3732. rc = bnx2_nvram_read_dword(bp, offset32, buf, cmd_flags);
  3733. memcpy(ret_buf, buf, 4 - extra);
  3734. }
  3735. /* Disable access to flash interface */
  3736. bnx2_disable_nvram_access(bp);
  3737. bnx2_release_nvram_lock(bp);
  3738. return rc;
  3739. }
  3740. static int
  3741. bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
  3742. int buf_size)
  3743. {
  3744. u32 written, offset32, len32;
  3745. u8 *buf, start[4], end[4], *align_buf = NULL, *flash_buffer = NULL;
  3746. int rc = 0;
  3747. int align_start, align_end;
  3748. buf = data_buf;
  3749. offset32 = offset;
  3750. len32 = buf_size;
  3751. align_start = align_end = 0;
  3752. if ((align_start = (offset32 & 3))) {
  3753. offset32 &= ~3;
  3754. len32 += align_start;
  3755. if (len32 < 4)
  3756. len32 = 4;
  3757. if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
  3758. return rc;
  3759. }
  3760. if (len32 & 3) {
  3761. align_end = 4 - (len32 & 3);
  3762. len32 += align_end;
  3763. if ((rc = bnx2_nvram_read(bp, offset32 + len32 - 4, end, 4)))
  3764. return rc;
  3765. }
  3766. if (align_start || align_end) {
  3767. align_buf = kmalloc(len32, GFP_KERNEL);
  3768. if (align_buf == NULL)
  3769. return -ENOMEM;
  3770. if (align_start) {
  3771. memcpy(align_buf, start, 4);
  3772. }
  3773. if (align_end) {
  3774. memcpy(align_buf + len32 - 4, end, 4);
  3775. }
  3776. memcpy(align_buf + align_start, data_buf, buf_size);
  3777. buf = align_buf;
  3778. }
  3779. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3780. flash_buffer = kmalloc(264, GFP_KERNEL);
  3781. if (flash_buffer == NULL) {
  3782. rc = -ENOMEM;
  3783. goto nvram_write_end;
  3784. }
  3785. }
  3786. written = 0;
  3787. while ((written < len32) && (rc == 0)) {
  3788. u32 page_start, page_end, data_start, data_end;
  3789. u32 addr, cmd_flags;
  3790. int i;
  3791. /* Find the page_start addr */
  3792. page_start = offset32 + written;
  3793. page_start -= (page_start % bp->flash_info->page_size);
  3794. /* Find the page_end addr */
  3795. page_end = page_start + bp->flash_info->page_size;
  3796. /* Find the data_start addr */
  3797. data_start = (written == 0) ? offset32 : page_start;
  3798. /* Find the data_end addr */
  3799. data_end = (page_end > offset32 + len32) ?
  3800. (offset32 + len32) : page_end;
  3801. /* Request access to the flash interface. */
  3802. if ((rc = bnx2_acquire_nvram_lock(bp)) != 0)
  3803. goto nvram_write_end;
  3804. /* Enable access to flash interface */
  3805. bnx2_enable_nvram_access(bp);
  3806. cmd_flags = BNX2_NVM_COMMAND_FIRST;
  3807. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3808. int j;
  3809. /* Read the whole page into the buffer
  3810. * (non-buffer flash only) */
  3811. for (j = 0; j < bp->flash_info->page_size; j += 4) {
  3812. if (j == (bp->flash_info->page_size - 4)) {
  3813. cmd_flags |= BNX2_NVM_COMMAND_LAST;
  3814. }
  3815. rc = bnx2_nvram_read_dword(bp,
  3816. page_start + j,
  3817. &flash_buffer[j],
  3818. cmd_flags);
  3819. if (rc)
  3820. goto nvram_write_end;
  3821. cmd_flags = 0;
  3822. }
  3823. }
  3824. /* Enable writes to flash interface (unlock write-protect) */
  3825. if ((rc = bnx2_enable_nvram_write(bp)) != 0)
  3826. goto nvram_write_end;
  3827. /* Loop to write back the buffer data from page_start to
  3828. * data_start */
  3829. i = 0;
  3830. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3831. /* Erase the page */
  3832. if ((rc = bnx2_nvram_erase_page(bp, page_start)) != 0)
  3833. goto nvram_write_end;
  3834. /* Re-enable the write again for the actual write */
  3835. bnx2_enable_nvram_write(bp);
  3836. for (addr = page_start; addr < data_start;
  3837. addr += 4, i += 4) {
  3838. rc = bnx2_nvram_write_dword(bp, addr,
  3839. &flash_buffer[i], cmd_flags);
  3840. if (rc != 0)
  3841. goto nvram_write_end;
  3842. cmd_flags = 0;
  3843. }
  3844. }
  3845. /* Loop to write the new data from data_start to data_end */
  3846. for (addr = data_start; addr < data_end; addr += 4, i += 4) {
  3847. if ((addr == page_end - 4) ||
  3848. ((bp->flash_info->flags & BNX2_NV_BUFFERED) &&
  3849. (addr == data_end - 4))) {
  3850. cmd_flags |= BNX2_NVM_COMMAND_LAST;
  3851. }
  3852. rc = bnx2_nvram_write_dword(bp, addr, buf,
  3853. cmd_flags);
  3854. if (rc != 0)
  3855. goto nvram_write_end;
  3856. cmd_flags = 0;
  3857. buf += 4;
  3858. }
  3859. /* Loop to write back the buffer data from data_end
  3860. * to page_end */
  3861. if (!(bp->flash_info->flags & BNX2_NV_BUFFERED)) {
  3862. for (addr = data_end; addr < page_end;
  3863. addr += 4, i += 4) {
  3864. if (addr == page_end-4) {
  3865. cmd_flags = BNX2_NVM_COMMAND_LAST;
  3866. }
  3867. rc = bnx2_nvram_write_dword(bp, addr,
  3868. &flash_buffer[i], cmd_flags);
  3869. if (rc != 0)
  3870. goto nvram_write_end;
  3871. cmd_flags = 0;
  3872. }
  3873. }
  3874. /* Disable writes to flash interface (lock write-protect) */
  3875. bnx2_disable_nvram_write(bp);
  3876. /* Disable access to flash interface */
  3877. bnx2_disable_nvram_access(bp);
  3878. bnx2_release_nvram_lock(bp);
  3879. /* Increment written */
  3880. written += data_end - data_start;
  3881. }
  3882. nvram_write_end:
  3883. kfree(flash_buffer);
  3884. kfree(align_buf);
  3885. return rc;
  3886. }
  3887. static void
  3888. bnx2_init_fw_cap(struct bnx2 *bp)
  3889. {
  3890. u32 val, sig = 0;
  3891. bp->phy_flags &= ~BNX2_PHY_FLAG_REMOTE_PHY_CAP;
  3892. bp->flags &= ~BNX2_FLAG_CAN_KEEP_VLAN;
  3893. if (!(bp->flags & BNX2_FLAG_ASF_ENABLE))
  3894. bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
  3895. val = bnx2_shmem_rd(bp, BNX2_FW_CAP_MB);
  3896. if ((val & BNX2_FW_CAP_SIGNATURE_MASK) != BNX2_FW_CAP_SIGNATURE)
  3897. return;
  3898. if ((val & BNX2_FW_CAP_CAN_KEEP_VLAN) == BNX2_FW_CAP_CAN_KEEP_VLAN) {
  3899. bp->flags |= BNX2_FLAG_CAN_KEEP_VLAN;
  3900. sig |= BNX2_DRV_ACK_CAP_SIGNATURE | BNX2_FW_CAP_CAN_KEEP_VLAN;
  3901. }
  3902. if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
  3903. (val & BNX2_FW_CAP_REMOTE_PHY_CAPABLE)) {
  3904. u32 link;
  3905. bp->phy_flags |= BNX2_PHY_FLAG_REMOTE_PHY_CAP;
  3906. link = bnx2_shmem_rd(bp, BNX2_LINK_STATUS);
  3907. if (link & BNX2_LINK_STATUS_SERDES_LINK)
  3908. bp->phy_port = PORT_FIBRE;
  3909. else
  3910. bp->phy_port = PORT_TP;
  3911. sig |= BNX2_DRV_ACK_CAP_SIGNATURE |
  3912. BNX2_FW_CAP_REMOTE_PHY_CAPABLE;
  3913. }
  3914. if (netif_running(bp->dev) && sig)
  3915. bnx2_shmem_wr(bp, BNX2_DRV_ACK_CAP_MB, sig);
  3916. }
  3917. static void
  3918. bnx2_setup_msix_tbl(struct bnx2 *bp)
  3919. {
  3920. BNX2_WR(bp, BNX2_PCI_GRC_WINDOW_ADDR, BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN);
  3921. BNX2_WR(bp, BNX2_PCI_GRC_WINDOW2_ADDR, BNX2_MSIX_TABLE_ADDR);
  3922. BNX2_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR);
  3923. }
  3924. static void
  3925. bnx2_wait_dma_complete(struct bnx2 *bp)
  3926. {
  3927. u32 val;
  3928. int i;
  3929. /*
  3930. * Wait for the current PCI transaction to complete before
  3931. * issuing a reset.
  3932. */
  3933. if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
  3934. (BNX2_CHIP(bp) == BNX2_CHIP_5708)) {
  3935. BNX2_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
  3936. BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
  3937. BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
  3938. BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
  3939. BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
  3940. val = BNX2_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
  3941. udelay(5);
  3942. } else { /* 5709 */
  3943. val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
  3944. val &= ~BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
  3945. BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
  3946. val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
  3947. for (i = 0; i < 100; i++) {
  3948. msleep(1);
  3949. val = BNX2_RD(bp, BNX2_PCICFG_DEVICE_CONTROL);
  3950. if (!(val & BNX2_PCICFG_DEVICE_STATUS_NO_PEND))
  3951. break;
  3952. }
  3953. }
  3954. return;
  3955. }
  3956. static int
  3957. bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
  3958. {
  3959. u32 val;
  3960. int i, rc = 0;
  3961. u8 old_port;
  3962. /* Wait for the current PCI transaction to complete before
  3963. * issuing a reset. */
  3964. bnx2_wait_dma_complete(bp);
  3965. /* Wait for the firmware to tell us it is ok to issue a reset. */
  3966. bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1);
  3967. /* Deposit a driver reset signature so the firmware knows that
  3968. * this is a soft reset. */
  3969. bnx2_shmem_wr(bp, BNX2_DRV_RESET_SIGNATURE,
  3970. BNX2_DRV_RESET_SIGNATURE_MAGIC);
  3971. /* Do a dummy read to force the chip to complete all current transaction
  3972. * before we issue a reset. */
  3973. val = BNX2_RD(bp, BNX2_MISC_ID);
  3974. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  3975. BNX2_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
  3976. BNX2_RD(bp, BNX2_MISC_COMMAND);
  3977. udelay(5);
  3978. val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  3979. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
  3980. BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
  3981. } else {
  3982. val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3983. BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  3984. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
  3985. /* Chip reset. */
  3986. BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
  3987. /* Reading back any register after chip reset will hang the
  3988. * bus on 5706 A0 and A1. The msleep below provides plenty
  3989. * of margin for write posting.
  3990. */
  3991. if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
  3992. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1))
  3993. msleep(20);
  3994. /* Reset takes approximate 30 usec */
  3995. for (i = 0; i < 10; i++) {
  3996. val = BNX2_RD(bp, BNX2_PCICFG_MISC_CONFIG);
  3997. if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  3998. BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
  3999. break;
  4000. udelay(10);
  4001. }
  4002. if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
  4003. BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
  4004. pr_err("Chip reset did not complete\n");
  4005. return -EBUSY;
  4006. }
  4007. }
  4008. /* Make sure byte swapping is properly configured. */
  4009. val = BNX2_RD(bp, BNX2_PCI_SWAP_DIAG0);
  4010. if (val != 0x01020304) {
  4011. pr_err("Chip not in correct endian mode\n");
  4012. return -ENODEV;
  4013. }
  4014. /* Wait for the firmware to finish its initialization. */
  4015. rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 1, 0);
  4016. if (rc)
  4017. return rc;
  4018. spin_lock_bh(&bp->phy_lock);
  4019. old_port = bp->phy_port;
  4020. bnx2_init_fw_cap(bp);
  4021. if ((bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) &&
  4022. old_port != bp->phy_port)
  4023. bnx2_set_default_remote_link(bp);
  4024. spin_unlock_bh(&bp->phy_lock);
  4025. if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
  4026. /* Adjust the voltage regular to two steps lower. The default
  4027. * of this register is 0x0000000e. */
  4028. BNX2_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
  4029. /* Remove bad rbuf memory from the free pool. */
  4030. rc = bnx2_alloc_bad_rbuf(bp);
  4031. }
  4032. if (bp->flags & BNX2_FLAG_USING_MSIX) {
  4033. bnx2_setup_msix_tbl(bp);
  4034. /* Prevent MSIX table reads and write from timing out */
  4035. BNX2_WR(bp, BNX2_MISC_ECO_HW_CTL,
  4036. BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
  4037. }
  4038. return rc;
  4039. }
  4040. static int
  4041. bnx2_init_chip(struct bnx2 *bp)
  4042. {
  4043. u32 val, mtu;
  4044. int rc, i;
  4045. /* Make sure the interrupt is not active. */
  4046. BNX2_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
  4047. val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
  4048. BNX2_DMA_CONFIG_DATA_WORD_SWAP |
  4049. #ifdef __BIG_ENDIAN
  4050. BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
  4051. #endif
  4052. BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
  4053. DMA_READ_CHANS << 12 |
  4054. DMA_WRITE_CHANS << 16;
  4055. val |= (0x2 << 20) | (1 << 11);
  4056. if ((bp->flags & BNX2_FLAG_PCIX) && (bp->bus_speed_mhz == 133))
  4057. val |= (1 << 23);
  4058. if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) &&
  4059. (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0) &&
  4060. !(bp->flags & BNX2_FLAG_PCIX))
  4061. val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
  4062. BNX2_WR(bp, BNX2_DMA_CONFIG, val);
  4063. if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
  4064. val = BNX2_RD(bp, BNX2_TDMA_CONFIG);
  4065. val |= BNX2_TDMA_CONFIG_ONE_DMA;
  4066. BNX2_WR(bp, BNX2_TDMA_CONFIG, val);
  4067. }
  4068. if (bp->flags & BNX2_FLAG_PCIX) {
  4069. u16 val16;
  4070. pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
  4071. &val16);
  4072. pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
  4073. val16 & ~PCI_X_CMD_ERO);
  4074. }
  4075. BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
  4076. BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
  4077. BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
  4078. BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
  4079. /* Initialize context mapping and zero out the quick contexts. The
  4080. * context block must have already been enabled. */
  4081. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  4082. rc = bnx2_init_5709_context(bp);
  4083. if (rc)
  4084. return rc;
  4085. } else
  4086. bnx2_init_context(bp);
  4087. if ((rc = bnx2_init_cpus(bp)) != 0)
  4088. return rc;
  4089. bnx2_init_nvram(bp);
  4090. bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
  4091. val = BNX2_RD(bp, BNX2_MQ_CONFIG);
  4092. val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
  4093. val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
  4094. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  4095. val |= BNX2_MQ_CONFIG_BIN_MQ_MODE;
  4096. if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
  4097. val |= BNX2_MQ_CONFIG_HALT_DIS;
  4098. }
  4099. BNX2_WR(bp, BNX2_MQ_CONFIG, val);
  4100. val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
  4101. BNX2_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
  4102. BNX2_WR(bp, BNX2_MQ_KNL_WIND_END, val);
  4103. val = (BNX2_PAGE_BITS - 8) << 24;
  4104. BNX2_WR(bp, BNX2_RV2P_CONFIG, val);
  4105. /* Configure page size. */
  4106. val = BNX2_RD(bp, BNX2_TBDR_CONFIG);
  4107. val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
  4108. val |= (BNX2_PAGE_BITS - 8) << 24 | 0x40;
  4109. BNX2_WR(bp, BNX2_TBDR_CONFIG, val);
  4110. val = bp->mac_addr[0] +
  4111. (bp->mac_addr[1] << 8) +
  4112. (bp->mac_addr[2] << 16) +
  4113. bp->mac_addr[3] +
  4114. (bp->mac_addr[4] << 8) +
  4115. (bp->mac_addr[5] << 16);
  4116. BNX2_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
  4117. /* Program the MTU. Also include 4 bytes for CRC32. */
  4118. mtu = bp->dev->mtu;
  4119. val = mtu + ETH_HLEN + ETH_FCS_LEN;
  4120. if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
  4121. val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
  4122. BNX2_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
  4123. if (mtu < 1500)
  4124. mtu = 1500;
  4125. bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG, BNX2_RBUF_CONFIG_VAL(mtu));
  4126. bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG2, BNX2_RBUF_CONFIG2_VAL(mtu));
  4127. bnx2_reg_wr_ind(bp, BNX2_RBUF_CONFIG3, BNX2_RBUF_CONFIG3_VAL(mtu));
  4128. memset(bp->bnx2_napi[0].status_blk.msi, 0, bp->status_stats_size);
  4129. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++)
  4130. bp->bnx2_napi[i].last_status_idx = 0;
  4131. bp->idle_chk_status_idx = 0xffff;
  4132. /* Set up how to generate a link change interrupt. */
  4133. BNX2_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
  4134. BNX2_WR(bp, BNX2_HC_STATUS_ADDR_L,
  4135. (u64) bp->status_blk_mapping & 0xffffffff);
  4136. BNX2_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
  4137. BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
  4138. (u64) bp->stats_blk_mapping & 0xffffffff);
  4139. BNX2_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
  4140. (u64) bp->stats_blk_mapping >> 32);
  4141. BNX2_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
  4142. (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
  4143. BNX2_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
  4144. (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
  4145. BNX2_WR(bp, BNX2_HC_COMP_PROD_TRIP,
  4146. (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
  4147. BNX2_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
  4148. BNX2_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
  4149. BNX2_WR(bp, BNX2_HC_COM_TICKS,
  4150. (bp->com_ticks_int << 16) | bp->com_ticks);
  4151. BNX2_WR(bp, BNX2_HC_CMD_TICKS,
  4152. (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
  4153. if (bp->flags & BNX2_FLAG_BROKEN_STATS)
  4154. BNX2_WR(bp, BNX2_HC_STATS_TICKS, 0);
  4155. else
  4156. BNX2_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
  4157. BNX2_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
  4158. if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1)
  4159. val = BNX2_HC_CONFIG_COLLECT_STATS;
  4160. else {
  4161. val = BNX2_HC_CONFIG_RX_TMR_MODE | BNX2_HC_CONFIG_TX_TMR_MODE |
  4162. BNX2_HC_CONFIG_COLLECT_STATS;
  4163. }
  4164. if (bp->flags & BNX2_FLAG_USING_MSIX) {
  4165. BNX2_WR(bp, BNX2_HC_MSIX_BIT_VECTOR,
  4166. BNX2_HC_MSIX_BIT_VECTOR_VAL);
  4167. val |= BNX2_HC_CONFIG_SB_ADDR_INC_128B;
  4168. }
  4169. if (bp->flags & BNX2_FLAG_ONE_SHOT_MSI)
  4170. val |= BNX2_HC_CONFIG_ONE_SHOT | BNX2_HC_CONFIG_USE_INT_PARAM;
  4171. BNX2_WR(bp, BNX2_HC_CONFIG, val);
  4172. if (bp->rx_ticks < 25)
  4173. bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
  4174. else
  4175. bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
  4176. for (i = 1; i < bp->irq_nvecs; i++) {
  4177. u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
  4178. BNX2_HC_SB_CONFIG_1;
  4179. BNX2_WR(bp, base,
  4180. BNX2_HC_SB_CONFIG_1_TX_TMR_MODE |
  4181. BNX2_HC_SB_CONFIG_1_RX_TMR_MODE |
  4182. BNX2_HC_SB_CONFIG_1_ONE_SHOT);
  4183. BNX2_WR(bp, base + BNX2_HC_TX_QUICK_CONS_TRIP_OFF,
  4184. (bp->tx_quick_cons_trip_int << 16) |
  4185. bp->tx_quick_cons_trip);
  4186. BNX2_WR(bp, base + BNX2_HC_TX_TICKS_OFF,
  4187. (bp->tx_ticks_int << 16) | bp->tx_ticks);
  4188. BNX2_WR(bp, base + BNX2_HC_RX_QUICK_CONS_TRIP_OFF,
  4189. (bp->rx_quick_cons_trip_int << 16) |
  4190. bp->rx_quick_cons_trip);
  4191. BNX2_WR(bp, base + BNX2_HC_RX_TICKS_OFF,
  4192. (bp->rx_ticks_int << 16) | bp->rx_ticks);
  4193. }
  4194. /* Clear internal stats counters. */
  4195. BNX2_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
  4196. BNX2_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_EVENTS);
  4197. /* Initialize the receive filter. */
  4198. bnx2_set_rx_mode(bp->dev);
  4199. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  4200. val = BNX2_RD(bp, BNX2_MISC_NEW_CORE_CTL);
  4201. val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
  4202. BNX2_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
  4203. }
  4204. rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
  4205. 1, 0);
  4206. BNX2_WR(bp, BNX2_MISC_ENABLE_SET_BITS, BNX2_MISC_ENABLE_DEFAULT);
  4207. BNX2_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
  4208. udelay(20);
  4209. bp->hc_cmd = BNX2_RD(bp, BNX2_HC_COMMAND);
  4210. return rc;
  4211. }
  4212. static void
  4213. bnx2_clear_ring_states(struct bnx2 *bp)
  4214. {
  4215. struct bnx2_napi *bnapi;
  4216. struct bnx2_tx_ring_info *txr;
  4217. struct bnx2_rx_ring_info *rxr;
  4218. int i;
  4219. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
  4220. bnapi = &bp->bnx2_napi[i];
  4221. txr = &bnapi->tx_ring;
  4222. rxr = &bnapi->rx_ring;
  4223. txr->tx_cons = 0;
  4224. txr->hw_tx_cons = 0;
  4225. rxr->rx_prod_bseq = 0;
  4226. rxr->rx_prod = 0;
  4227. rxr->rx_cons = 0;
  4228. rxr->rx_pg_prod = 0;
  4229. rxr->rx_pg_cons = 0;
  4230. }
  4231. }
  4232. static void
  4233. bnx2_init_tx_context(struct bnx2 *bp, u32 cid, struct bnx2_tx_ring_info *txr)
  4234. {
  4235. u32 val, offset0, offset1, offset2, offset3;
  4236. u32 cid_addr = GET_CID_ADDR(cid);
  4237. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  4238. offset0 = BNX2_L2CTX_TYPE_XI;
  4239. offset1 = BNX2_L2CTX_CMD_TYPE_XI;
  4240. offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
  4241. offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
  4242. } else {
  4243. offset0 = BNX2_L2CTX_TYPE;
  4244. offset1 = BNX2_L2CTX_CMD_TYPE;
  4245. offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
  4246. offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
  4247. }
  4248. val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
  4249. bnx2_ctx_wr(bp, cid_addr, offset0, val);
  4250. val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
  4251. bnx2_ctx_wr(bp, cid_addr, offset1, val);
  4252. val = (u64) txr->tx_desc_mapping >> 32;
  4253. bnx2_ctx_wr(bp, cid_addr, offset2, val);
  4254. val = (u64) txr->tx_desc_mapping & 0xffffffff;
  4255. bnx2_ctx_wr(bp, cid_addr, offset3, val);
  4256. }
  4257. static void
  4258. bnx2_init_tx_ring(struct bnx2 *bp, int ring_num)
  4259. {
  4260. struct bnx2_tx_bd *txbd;
  4261. u32 cid = TX_CID;
  4262. struct bnx2_napi *bnapi;
  4263. struct bnx2_tx_ring_info *txr;
  4264. bnapi = &bp->bnx2_napi[ring_num];
  4265. txr = &bnapi->tx_ring;
  4266. if (ring_num == 0)
  4267. cid = TX_CID;
  4268. else
  4269. cid = TX_TSS_CID + ring_num - 1;
  4270. bp->tx_wake_thresh = bp->tx_ring_size / 2;
  4271. txbd = &txr->tx_desc_ring[BNX2_MAX_TX_DESC_CNT];
  4272. txbd->tx_bd_haddr_hi = (u64) txr->tx_desc_mapping >> 32;
  4273. txbd->tx_bd_haddr_lo = (u64) txr->tx_desc_mapping & 0xffffffff;
  4274. txr->tx_prod = 0;
  4275. txr->tx_prod_bseq = 0;
  4276. txr->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX;
  4277. txr->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ;
  4278. bnx2_init_tx_context(bp, cid, txr);
  4279. }
  4280. static void
  4281. bnx2_init_rxbd_rings(struct bnx2_rx_bd *rx_ring[], dma_addr_t dma[],
  4282. u32 buf_size, int num_rings)
  4283. {
  4284. int i;
  4285. struct bnx2_rx_bd *rxbd;
  4286. for (i = 0; i < num_rings; i++) {
  4287. int j;
  4288. rxbd = &rx_ring[i][0];
  4289. for (j = 0; j < BNX2_MAX_RX_DESC_CNT; j++, rxbd++) {
  4290. rxbd->rx_bd_len = buf_size;
  4291. rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
  4292. }
  4293. if (i == (num_rings - 1))
  4294. j = 0;
  4295. else
  4296. j = i + 1;
  4297. rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32;
  4298. rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff;
  4299. }
  4300. }
  4301. static void
  4302. bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
  4303. {
  4304. int i;
  4305. u16 prod, ring_prod;
  4306. u32 cid, rx_cid_addr, val;
  4307. struct bnx2_napi *bnapi = &bp->bnx2_napi[ring_num];
  4308. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  4309. if (ring_num == 0)
  4310. cid = RX_CID;
  4311. else
  4312. cid = RX_RSS_CID + ring_num - 1;
  4313. rx_cid_addr = GET_CID_ADDR(cid);
  4314. bnx2_init_rxbd_rings(rxr->rx_desc_ring, rxr->rx_desc_mapping,
  4315. bp->rx_buf_use_size, bp->rx_max_ring);
  4316. bnx2_init_rx_context(bp, cid);
  4317. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  4318. val = BNX2_RD(bp, BNX2_MQ_MAP_L2_5);
  4319. BNX2_WR(bp, BNX2_MQ_MAP_L2_5, val | BNX2_MQ_MAP_L2_5_ARM);
  4320. }
  4321. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0);
  4322. if (bp->rx_pg_ring_size) {
  4323. bnx2_init_rxbd_rings(rxr->rx_pg_desc_ring,
  4324. rxr->rx_pg_desc_mapping,
  4325. PAGE_SIZE, bp->rx_max_pg_ring);
  4326. val = (bp->rx_buf_use_size << 16) | PAGE_SIZE;
  4327. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val);
  4328. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY,
  4329. BNX2_L2CTX_RBDC_JUMBO_KEY - ring_num);
  4330. val = (u64) rxr->rx_pg_desc_mapping[0] >> 32;
  4331. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val);
  4332. val = (u64) rxr->rx_pg_desc_mapping[0] & 0xffffffff;
  4333. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val);
  4334. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  4335. BNX2_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT);
  4336. }
  4337. val = (u64) rxr->rx_desc_mapping[0] >> 32;
  4338. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
  4339. val = (u64) rxr->rx_desc_mapping[0] & 0xffffffff;
  4340. bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
  4341. ring_prod = prod = rxr->rx_pg_prod;
  4342. for (i = 0; i < bp->rx_pg_ring_size; i++) {
  4343. if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
  4344. netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n",
  4345. ring_num, i, bp->rx_pg_ring_size);
  4346. break;
  4347. }
  4348. prod = BNX2_NEXT_RX_BD(prod);
  4349. ring_prod = BNX2_RX_PG_RING_IDX(prod);
  4350. }
  4351. rxr->rx_pg_prod = prod;
  4352. ring_prod = prod = rxr->rx_prod;
  4353. for (i = 0; i < bp->rx_ring_size; i++) {
  4354. if (bnx2_alloc_rx_data(bp, rxr, ring_prod, GFP_KERNEL) < 0) {
  4355. netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n",
  4356. ring_num, i, bp->rx_ring_size);
  4357. break;
  4358. }
  4359. prod = BNX2_NEXT_RX_BD(prod);
  4360. ring_prod = BNX2_RX_RING_IDX(prod);
  4361. }
  4362. rxr->rx_prod = prod;
  4363. rxr->rx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BDIDX;
  4364. rxr->rx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_BSEQ;
  4365. rxr->rx_pg_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_HOST_PG_BDIDX;
  4366. BNX2_WR16(bp, rxr->rx_pg_bidx_addr, rxr->rx_pg_prod);
  4367. BNX2_WR16(bp, rxr->rx_bidx_addr, prod);
  4368. BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq);
  4369. }
  4370. static void
  4371. bnx2_init_all_rings(struct bnx2 *bp)
  4372. {
  4373. int i;
  4374. u32 val;
  4375. bnx2_clear_ring_states(bp);
  4376. BNX2_WR(bp, BNX2_TSCH_TSS_CFG, 0);
  4377. for (i = 0; i < bp->num_tx_rings; i++)
  4378. bnx2_init_tx_ring(bp, i);
  4379. if (bp->num_tx_rings > 1)
  4380. BNX2_WR(bp, BNX2_TSCH_TSS_CFG, ((bp->num_tx_rings - 1) << 24) |
  4381. (TX_TSS_CID << 7));
  4382. BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, 0);
  4383. bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ, 0);
  4384. for (i = 0; i < bp->num_rx_rings; i++)
  4385. bnx2_init_rx_ring(bp, i);
  4386. if (bp->num_rx_rings > 1) {
  4387. u32 tbl_32 = 0;
  4388. for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
  4389. int shift = (i % 8) << 2;
  4390. tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
  4391. if ((i % 8) == 7) {
  4392. BNX2_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
  4393. BNX2_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
  4394. BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
  4395. BNX2_RLUP_RSS_COMMAND_WRITE |
  4396. BNX2_RLUP_RSS_COMMAND_HASH_MASK);
  4397. tbl_32 = 0;
  4398. }
  4399. }
  4400. val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
  4401. BNX2_RLUP_RSS_CONFIG_IPV6_RSS_TYPE_ALL_XI;
  4402. BNX2_WR(bp, BNX2_RLUP_RSS_CONFIG, val);
  4403. }
  4404. }
  4405. static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size)
  4406. {
  4407. u32 max, num_rings = 1;
  4408. while (ring_size > BNX2_MAX_RX_DESC_CNT) {
  4409. ring_size -= BNX2_MAX_RX_DESC_CNT;
  4410. num_rings++;
  4411. }
  4412. /* round to next power of 2 */
  4413. max = max_size;
  4414. while ((max & num_rings) == 0)
  4415. max >>= 1;
  4416. if (num_rings != max)
  4417. max <<= 1;
  4418. return max;
  4419. }
  4420. static void
  4421. bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size)
  4422. {
  4423. u32 rx_size, rx_space, jumbo_size;
  4424. /* 8 for CRC and VLAN */
  4425. rx_size = bp->dev->mtu + ETH_HLEN + BNX2_RX_OFFSET + 8;
  4426. rx_space = SKB_DATA_ALIGN(rx_size + BNX2_RX_ALIGN) + NET_SKB_PAD +
  4427. SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
  4428. bp->rx_copy_thresh = BNX2_RX_COPY_THRESH;
  4429. bp->rx_pg_ring_size = 0;
  4430. bp->rx_max_pg_ring = 0;
  4431. bp->rx_max_pg_ring_idx = 0;
  4432. if ((rx_space > PAGE_SIZE) && !(bp->flags & BNX2_FLAG_JUMBO_BROKEN)) {
  4433. int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
  4434. jumbo_size = size * pages;
  4435. if (jumbo_size > BNX2_MAX_TOTAL_RX_PG_DESC_CNT)
  4436. jumbo_size = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
  4437. bp->rx_pg_ring_size = jumbo_size;
  4438. bp->rx_max_pg_ring = bnx2_find_max_ring(jumbo_size,
  4439. BNX2_MAX_RX_PG_RINGS);
  4440. bp->rx_max_pg_ring_idx =
  4441. (bp->rx_max_pg_ring * BNX2_RX_DESC_CNT) - 1;
  4442. rx_size = BNX2_RX_COPY_THRESH + BNX2_RX_OFFSET;
  4443. bp->rx_copy_thresh = 0;
  4444. }
  4445. bp->rx_buf_use_size = rx_size;
  4446. /* hw alignment + build_skb() overhead*/
  4447. bp->rx_buf_size = SKB_DATA_ALIGN(bp->rx_buf_use_size + BNX2_RX_ALIGN) +
  4448. NET_SKB_PAD + SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
  4449. bp->rx_jumbo_thresh = rx_size - BNX2_RX_OFFSET;
  4450. bp->rx_ring_size = size;
  4451. bp->rx_max_ring = bnx2_find_max_ring(size, BNX2_MAX_RX_RINGS);
  4452. bp->rx_max_ring_idx = (bp->rx_max_ring * BNX2_RX_DESC_CNT) - 1;
  4453. }
  4454. static void
  4455. bnx2_free_tx_skbs(struct bnx2 *bp)
  4456. {
  4457. int i;
  4458. for (i = 0; i < bp->num_tx_rings; i++) {
  4459. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  4460. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  4461. int j;
  4462. if (txr->tx_buf_ring == NULL)
  4463. continue;
  4464. for (j = 0; j < BNX2_TX_DESC_CNT; ) {
  4465. struct bnx2_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
  4466. struct sk_buff *skb = tx_buf->skb;
  4467. int k, last;
  4468. if (skb == NULL) {
  4469. j = BNX2_NEXT_TX_BD(j);
  4470. continue;
  4471. }
  4472. dma_unmap_single(&bp->pdev->dev,
  4473. dma_unmap_addr(tx_buf, mapping),
  4474. skb_headlen(skb),
  4475. PCI_DMA_TODEVICE);
  4476. tx_buf->skb = NULL;
  4477. last = tx_buf->nr_frags;
  4478. j = BNX2_NEXT_TX_BD(j);
  4479. for (k = 0; k < last; k++, j = BNX2_NEXT_TX_BD(j)) {
  4480. tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(j)];
  4481. dma_unmap_page(&bp->pdev->dev,
  4482. dma_unmap_addr(tx_buf, mapping),
  4483. skb_frag_size(&skb_shinfo(skb)->frags[k]),
  4484. PCI_DMA_TODEVICE);
  4485. }
  4486. dev_kfree_skb(skb);
  4487. }
  4488. netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
  4489. }
  4490. }
  4491. static void
  4492. bnx2_free_rx_skbs(struct bnx2 *bp)
  4493. {
  4494. int i;
  4495. for (i = 0; i < bp->num_rx_rings; i++) {
  4496. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  4497. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  4498. int j;
  4499. if (rxr->rx_buf_ring == NULL)
  4500. return;
  4501. for (j = 0; j < bp->rx_max_ring_idx; j++) {
  4502. struct bnx2_sw_bd *rx_buf = &rxr->rx_buf_ring[j];
  4503. u8 *data = rx_buf->data;
  4504. if (data == NULL)
  4505. continue;
  4506. dma_unmap_single(&bp->pdev->dev,
  4507. dma_unmap_addr(rx_buf, mapping),
  4508. bp->rx_buf_use_size,
  4509. PCI_DMA_FROMDEVICE);
  4510. rx_buf->data = NULL;
  4511. kfree(data);
  4512. }
  4513. for (j = 0; j < bp->rx_max_pg_ring_idx; j++)
  4514. bnx2_free_rx_page(bp, rxr, j);
  4515. }
  4516. }
  4517. static void
  4518. bnx2_free_skbs(struct bnx2 *bp)
  4519. {
  4520. bnx2_free_tx_skbs(bp);
  4521. bnx2_free_rx_skbs(bp);
  4522. }
  4523. static int
  4524. bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
  4525. {
  4526. int rc;
  4527. rc = bnx2_reset_chip(bp, reset_code);
  4528. bnx2_free_skbs(bp);
  4529. if (rc)
  4530. return rc;
  4531. if ((rc = bnx2_init_chip(bp)) != 0)
  4532. return rc;
  4533. bnx2_init_all_rings(bp);
  4534. return 0;
  4535. }
  4536. static int
  4537. bnx2_init_nic(struct bnx2 *bp, int reset_phy)
  4538. {
  4539. int rc;
  4540. if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
  4541. return rc;
  4542. spin_lock_bh(&bp->phy_lock);
  4543. bnx2_init_phy(bp, reset_phy);
  4544. bnx2_set_link(bp);
  4545. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  4546. bnx2_remote_phy_event(bp);
  4547. spin_unlock_bh(&bp->phy_lock);
  4548. return 0;
  4549. }
  4550. static int
  4551. bnx2_shutdown_chip(struct bnx2 *bp)
  4552. {
  4553. u32 reset_code;
  4554. if (bp->flags & BNX2_FLAG_NO_WOL)
  4555. reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN;
  4556. else if (bp->wol)
  4557. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL;
  4558. else
  4559. reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL;
  4560. return bnx2_reset_chip(bp, reset_code);
  4561. }
  4562. static int
  4563. bnx2_test_registers(struct bnx2 *bp)
  4564. {
  4565. int ret;
  4566. int i, is_5709;
  4567. static const struct {
  4568. u16 offset;
  4569. u16 flags;
  4570. #define BNX2_FL_NOT_5709 1
  4571. u32 rw_mask;
  4572. u32 ro_mask;
  4573. } reg_tbl[] = {
  4574. { 0x006c, 0, 0x00000000, 0x0000003f },
  4575. { 0x0090, 0, 0xffffffff, 0x00000000 },
  4576. { 0x0094, 0, 0x00000000, 0x00000000 },
  4577. { 0x0404, BNX2_FL_NOT_5709, 0x00003f00, 0x00000000 },
  4578. { 0x0418, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4579. { 0x041c, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4580. { 0x0420, BNX2_FL_NOT_5709, 0x00000000, 0x80ffffff },
  4581. { 0x0424, BNX2_FL_NOT_5709, 0x00000000, 0x00000000 },
  4582. { 0x0428, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
  4583. { 0x0450, BNX2_FL_NOT_5709, 0x00000000, 0x0000ffff },
  4584. { 0x0454, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4585. { 0x0458, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4586. { 0x0808, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4587. { 0x0854, BNX2_FL_NOT_5709, 0x00000000, 0xffffffff },
  4588. { 0x0868, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4589. { 0x086c, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4590. { 0x0870, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4591. { 0x0874, BNX2_FL_NOT_5709, 0x00000000, 0x77777777 },
  4592. { 0x0c00, BNX2_FL_NOT_5709, 0x00000000, 0x00000001 },
  4593. { 0x0c04, BNX2_FL_NOT_5709, 0x00000000, 0x03ff0001 },
  4594. { 0x0c08, BNX2_FL_NOT_5709, 0x0f0ff073, 0x00000000 },
  4595. { 0x1000, 0, 0x00000000, 0x00000001 },
  4596. { 0x1004, BNX2_FL_NOT_5709, 0x00000000, 0x000f0001 },
  4597. { 0x1408, 0, 0x01c00800, 0x00000000 },
  4598. { 0x149c, 0, 0x8000ffff, 0x00000000 },
  4599. { 0x14a8, 0, 0x00000000, 0x000001ff },
  4600. { 0x14ac, 0, 0x0fffffff, 0x10000000 },
  4601. { 0x14b0, 0, 0x00000002, 0x00000001 },
  4602. { 0x14b8, 0, 0x00000000, 0x00000000 },
  4603. { 0x14c0, 0, 0x00000000, 0x00000009 },
  4604. { 0x14c4, 0, 0x00003fff, 0x00000000 },
  4605. { 0x14cc, 0, 0x00000000, 0x00000001 },
  4606. { 0x14d0, 0, 0xffffffff, 0x00000000 },
  4607. { 0x1800, 0, 0x00000000, 0x00000001 },
  4608. { 0x1804, 0, 0x00000000, 0x00000003 },
  4609. { 0x2800, 0, 0x00000000, 0x00000001 },
  4610. { 0x2804, 0, 0x00000000, 0x00003f01 },
  4611. { 0x2808, 0, 0x0f3f3f03, 0x00000000 },
  4612. { 0x2810, 0, 0xffff0000, 0x00000000 },
  4613. { 0x2814, 0, 0xffff0000, 0x00000000 },
  4614. { 0x2818, 0, 0xffff0000, 0x00000000 },
  4615. { 0x281c, 0, 0xffff0000, 0x00000000 },
  4616. { 0x2834, 0, 0xffffffff, 0x00000000 },
  4617. { 0x2840, 0, 0x00000000, 0xffffffff },
  4618. { 0x2844, 0, 0x00000000, 0xffffffff },
  4619. { 0x2848, 0, 0xffffffff, 0x00000000 },
  4620. { 0x284c, 0, 0xf800f800, 0x07ff07ff },
  4621. { 0x2c00, 0, 0x00000000, 0x00000011 },
  4622. { 0x2c04, 0, 0x00000000, 0x00030007 },
  4623. { 0x3c00, 0, 0x00000000, 0x00000001 },
  4624. { 0x3c04, 0, 0x00000000, 0x00070000 },
  4625. { 0x3c08, 0, 0x00007f71, 0x07f00000 },
  4626. { 0x3c0c, 0, 0x1f3ffffc, 0x00000000 },
  4627. { 0x3c10, 0, 0xffffffff, 0x00000000 },
  4628. { 0x3c14, 0, 0x00000000, 0xffffffff },
  4629. { 0x3c18, 0, 0x00000000, 0xffffffff },
  4630. { 0x3c1c, 0, 0xfffff000, 0x00000000 },
  4631. { 0x3c20, 0, 0xffffff00, 0x00000000 },
  4632. { 0x5004, 0, 0x00000000, 0x0000007f },
  4633. { 0x5008, 0, 0x0f0007ff, 0x00000000 },
  4634. { 0x5c00, 0, 0x00000000, 0x00000001 },
  4635. { 0x5c04, 0, 0x00000000, 0x0003000f },
  4636. { 0x5c08, 0, 0x00000003, 0x00000000 },
  4637. { 0x5c0c, 0, 0x0000fff8, 0x00000000 },
  4638. { 0x5c10, 0, 0x00000000, 0xffffffff },
  4639. { 0x5c80, 0, 0x00000000, 0x0f7113f1 },
  4640. { 0x5c84, 0, 0x00000000, 0x0000f333 },
  4641. { 0x5c88, 0, 0x00000000, 0x00077373 },
  4642. { 0x5c8c, 0, 0x00000000, 0x0007f737 },
  4643. { 0x6808, 0, 0x0000ff7f, 0x00000000 },
  4644. { 0x680c, 0, 0xffffffff, 0x00000000 },
  4645. { 0x6810, 0, 0xffffffff, 0x00000000 },
  4646. { 0x6814, 0, 0xffffffff, 0x00000000 },
  4647. { 0x6818, 0, 0xffffffff, 0x00000000 },
  4648. { 0x681c, 0, 0xffffffff, 0x00000000 },
  4649. { 0x6820, 0, 0x00ff00ff, 0x00000000 },
  4650. { 0x6824, 0, 0x00ff00ff, 0x00000000 },
  4651. { 0x6828, 0, 0x00ff00ff, 0x00000000 },
  4652. { 0x682c, 0, 0x03ff03ff, 0x00000000 },
  4653. { 0x6830, 0, 0x03ff03ff, 0x00000000 },
  4654. { 0x6834, 0, 0x03ff03ff, 0x00000000 },
  4655. { 0x6838, 0, 0x03ff03ff, 0x00000000 },
  4656. { 0x683c, 0, 0x0000ffff, 0x00000000 },
  4657. { 0x6840, 0, 0x00000ff0, 0x00000000 },
  4658. { 0x6844, 0, 0x00ffff00, 0x00000000 },
  4659. { 0x684c, 0, 0xffffffff, 0x00000000 },
  4660. { 0x6850, 0, 0x7f7f7f7f, 0x00000000 },
  4661. { 0x6854, 0, 0x7f7f7f7f, 0x00000000 },
  4662. { 0x6858, 0, 0x7f7f7f7f, 0x00000000 },
  4663. { 0x685c, 0, 0x7f7f7f7f, 0x00000000 },
  4664. { 0x6908, 0, 0x00000000, 0x0001ff0f },
  4665. { 0x690c, 0, 0x00000000, 0x0ffe00f0 },
  4666. { 0xffff, 0, 0x00000000, 0x00000000 },
  4667. };
  4668. ret = 0;
  4669. is_5709 = 0;
  4670. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  4671. is_5709 = 1;
  4672. for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
  4673. u32 offset, rw_mask, ro_mask, save_val, val;
  4674. u16 flags = reg_tbl[i].flags;
  4675. if (is_5709 && (flags & BNX2_FL_NOT_5709))
  4676. continue;
  4677. offset = (u32) reg_tbl[i].offset;
  4678. rw_mask = reg_tbl[i].rw_mask;
  4679. ro_mask = reg_tbl[i].ro_mask;
  4680. save_val = readl(bp->regview + offset);
  4681. writel(0, bp->regview + offset);
  4682. val = readl(bp->regview + offset);
  4683. if ((val & rw_mask) != 0) {
  4684. goto reg_test_err;
  4685. }
  4686. if ((val & ro_mask) != (save_val & ro_mask)) {
  4687. goto reg_test_err;
  4688. }
  4689. writel(0xffffffff, bp->regview + offset);
  4690. val = readl(bp->regview + offset);
  4691. if ((val & rw_mask) != rw_mask) {
  4692. goto reg_test_err;
  4693. }
  4694. if ((val & ro_mask) != (save_val & ro_mask)) {
  4695. goto reg_test_err;
  4696. }
  4697. writel(save_val, bp->regview + offset);
  4698. continue;
  4699. reg_test_err:
  4700. writel(save_val, bp->regview + offset);
  4701. ret = -ENODEV;
  4702. break;
  4703. }
  4704. return ret;
  4705. }
  4706. static int
  4707. bnx2_do_mem_test(struct bnx2 *bp, u32 start, u32 size)
  4708. {
  4709. static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0x55555555,
  4710. 0xaaaaaaaa , 0xaa55aa55, 0x55aa55aa };
  4711. int i;
  4712. for (i = 0; i < sizeof(test_pattern) / 4; i++) {
  4713. u32 offset;
  4714. for (offset = 0; offset < size; offset += 4) {
  4715. bnx2_reg_wr_ind(bp, start + offset, test_pattern[i]);
  4716. if (bnx2_reg_rd_ind(bp, start + offset) !=
  4717. test_pattern[i]) {
  4718. return -ENODEV;
  4719. }
  4720. }
  4721. }
  4722. return 0;
  4723. }
  4724. static int
  4725. bnx2_test_memory(struct bnx2 *bp)
  4726. {
  4727. int ret = 0;
  4728. int i;
  4729. static struct mem_entry {
  4730. u32 offset;
  4731. u32 len;
  4732. } mem_tbl_5706[] = {
  4733. { 0x60000, 0x4000 },
  4734. { 0xa0000, 0x3000 },
  4735. { 0xe0000, 0x4000 },
  4736. { 0x120000, 0x4000 },
  4737. { 0x1a0000, 0x4000 },
  4738. { 0x160000, 0x4000 },
  4739. { 0xffffffff, 0 },
  4740. },
  4741. mem_tbl_5709[] = {
  4742. { 0x60000, 0x4000 },
  4743. { 0xa0000, 0x3000 },
  4744. { 0xe0000, 0x4000 },
  4745. { 0x120000, 0x4000 },
  4746. { 0x1a0000, 0x4000 },
  4747. { 0xffffffff, 0 },
  4748. };
  4749. struct mem_entry *mem_tbl;
  4750. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  4751. mem_tbl = mem_tbl_5709;
  4752. else
  4753. mem_tbl = mem_tbl_5706;
  4754. for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
  4755. if ((ret = bnx2_do_mem_test(bp, mem_tbl[i].offset,
  4756. mem_tbl[i].len)) != 0) {
  4757. return ret;
  4758. }
  4759. }
  4760. return ret;
  4761. }
  4762. #define BNX2_MAC_LOOPBACK 0
  4763. #define BNX2_PHY_LOOPBACK 1
  4764. static int
  4765. bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
  4766. {
  4767. unsigned int pkt_size, num_pkts, i;
  4768. struct sk_buff *skb;
  4769. u8 *data;
  4770. unsigned char *packet;
  4771. u16 rx_start_idx, rx_idx;
  4772. dma_addr_t map;
  4773. struct bnx2_tx_bd *txbd;
  4774. struct bnx2_sw_bd *rx_buf;
  4775. struct l2_fhdr *rx_hdr;
  4776. int ret = -ENODEV;
  4777. struct bnx2_napi *bnapi = &bp->bnx2_napi[0], *tx_napi;
  4778. struct bnx2_tx_ring_info *txr = &bnapi->tx_ring;
  4779. struct bnx2_rx_ring_info *rxr = &bnapi->rx_ring;
  4780. tx_napi = bnapi;
  4781. txr = &tx_napi->tx_ring;
  4782. rxr = &bnapi->rx_ring;
  4783. if (loopback_mode == BNX2_MAC_LOOPBACK) {
  4784. bp->loopback = MAC_LOOPBACK;
  4785. bnx2_set_mac_loopback(bp);
  4786. }
  4787. else if (loopback_mode == BNX2_PHY_LOOPBACK) {
  4788. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  4789. return 0;
  4790. bp->loopback = PHY_LOOPBACK;
  4791. bnx2_set_phy_loopback(bp);
  4792. }
  4793. else
  4794. return -EINVAL;
  4795. pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_jumbo_thresh - 4);
  4796. skb = netdev_alloc_skb(bp->dev, pkt_size);
  4797. if (!skb)
  4798. return -ENOMEM;
  4799. packet = skb_put(skb, pkt_size);
  4800. memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
  4801. memset(packet + ETH_ALEN, 0x0, 8);
  4802. for (i = 14; i < pkt_size; i++)
  4803. packet[i] = (unsigned char) (i & 0xff);
  4804. map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
  4805. PCI_DMA_TODEVICE);
  4806. if (dma_mapping_error(&bp->pdev->dev, map)) {
  4807. dev_kfree_skb(skb);
  4808. return -EIO;
  4809. }
  4810. BNX2_WR(bp, BNX2_HC_COMMAND,
  4811. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  4812. BNX2_RD(bp, BNX2_HC_COMMAND);
  4813. udelay(5);
  4814. rx_start_idx = bnx2_get_hw_rx_cons(bnapi);
  4815. num_pkts = 0;
  4816. txbd = &txr->tx_desc_ring[BNX2_TX_RING_IDX(txr->tx_prod)];
  4817. txbd->tx_bd_haddr_hi = (u64) map >> 32;
  4818. txbd->tx_bd_haddr_lo = (u64) map & 0xffffffff;
  4819. txbd->tx_bd_mss_nbytes = pkt_size;
  4820. txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
  4821. num_pkts++;
  4822. txr->tx_prod = BNX2_NEXT_TX_BD(txr->tx_prod);
  4823. txr->tx_prod_bseq += pkt_size;
  4824. BNX2_WR16(bp, txr->tx_bidx_addr, txr->tx_prod);
  4825. BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
  4826. udelay(100);
  4827. BNX2_WR(bp, BNX2_HC_COMMAND,
  4828. bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
  4829. BNX2_RD(bp, BNX2_HC_COMMAND);
  4830. udelay(5);
  4831. dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
  4832. dev_kfree_skb(skb);
  4833. if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
  4834. goto loopback_test_done;
  4835. rx_idx = bnx2_get_hw_rx_cons(bnapi);
  4836. if (rx_idx != rx_start_idx + num_pkts) {
  4837. goto loopback_test_done;
  4838. }
  4839. rx_buf = &rxr->rx_buf_ring[rx_start_idx];
  4840. data = rx_buf->data;
  4841. rx_hdr = get_l2_fhdr(data);
  4842. data = (u8 *)rx_hdr + BNX2_RX_OFFSET;
  4843. dma_sync_single_for_cpu(&bp->pdev->dev,
  4844. dma_unmap_addr(rx_buf, mapping),
  4845. bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
  4846. if (rx_hdr->l2_fhdr_status &
  4847. (L2_FHDR_ERRORS_BAD_CRC |
  4848. L2_FHDR_ERRORS_PHY_DECODE |
  4849. L2_FHDR_ERRORS_ALIGNMENT |
  4850. L2_FHDR_ERRORS_TOO_SHORT |
  4851. L2_FHDR_ERRORS_GIANT_FRAME)) {
  4852. goto loopback_test_done;
  4853. }
  4854. if ((rx_hdr->l2_fhdr_pkt_len - 4) != pkt_size) {
  4855. goto loopback_test_done;
  4856. }
  4857. for (i = 14; i < pkt_size; i++) {
  4858. if (*(data + i) != (unsigned char) (i & 0xff)) {
  4859. goto loopback_test_done;
  4860. }
  4861. }
  4862. ret = 0;
  4863. loopback_test_done:
  4864. bp->loopback = 0;
  4865. return ret;
  4866. }
  4867. #define BNX2_MAC_LOOPBACK_FAILED 1
  4868. #define BNX2_PHY_LOOPBACK_FAILED 2
  4869. #define BNX2_LOOPBACK_FAILED (BNX2_MAC_LOOPBACK_FAILED | \
  4870. BNX2_PHY_LOOPBACK_FAILED)
  4871. static int
  4872. bnx2_test_loopback(struct bnx2 *bp)
  4873. {
  4874. int rc = 0;
  4875. if (!netif_running(bp->dev))
  4876. return BNX2_LOOPBACK_FAILED;
  4877. bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
  4878. spin_lock_bh(&bp->phy_lock);
  4879. bnx2_init_phy(bp, 1);
  4880. spin_unlock_bh(&bp->phy_lock);
  4881. if (bnx2_run_loopback(bp, BNX2_MAC_LOOPBACK))
  4882. rc |= BNX2_MAC_LOOPBACK_FAILED;
  4883. if (bnx2_run_loopback(bp, BNX2_PHY_LOOPBACK))
  4884. rc |= BNX2_PHY_LOOPBACK_FAILED;
  4885. return rc;
  4886. }
  4887. #define NVRAM_SIZE 0x200
  4888. #define CRC32_RESIDUAL 0xdebb20e3
  4889. static int
  4890. bnx2_test_nvram(struct bnx2 *bp)
  4891. {
  4892. __be32 buf[NVRAM_SIZE / 4];
  4893. u8 *data = (u8 *) buf;
  4894. int rc = 0;
  4895. u32 magic, csum;
  4896. if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0)
  4897. goto test_nvram_done;
  4898. magic = be32_to_cpu(buf[0]);
  4899. if (magic != 0x669955aa) {
  4900. rc = -ENODEV;
  4901. goto test_nvram_done;
  4902. }
  4903. if ((rc = bnx2_nvram_read(bp, 0x100, data, NVRAM_SIZE)) != 0)
  4904. goto test_nvram_done;
  4905. csum = ether_crc_le(0x100, data);
  4906. if (csum != CRC32_RESIDUAL) {
  4907. rc = -ENODEV;
  4908. goto test_nvram_done;
  4909. }
  4910. csum = ether_crc_le(0x100, data + 0x100);
  4911. if (csum != CRC32_RESIDUAL) {
  4912. rc = -ENODEV;
  4913. }
  4914. test_nvram_done:
  4915. return rc;
  4916. }
  4917. static int
  4918. bnx2_test_link(struct bnx2 *bp)
  4919. {
  4920. u32 bmsr;
  4921. if (!netif_running(bp->dev))
  4922. return -ENODEV;
  4923. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  4924. if (bp->link_up)
  4925. return 0;
  4926. return -ENODEV;
  4927. }
  4928. spin_lock_bh(&bp->phy_lock);
  4929. bnx2_enable_bmsr1(bp);
  4930. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  4931. bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
  4932. bnx2_disable_bmsr1(bp);
  4933. spin_unlock_bh(&bp->phy_lock);
  4934. if (bmsr & BMSR_LSTATUS) {
  4935. return 0;
  4936. }
  4937. return -ENODEV;
  4938. }
  4939. static int
  4940. bnx2_test_intr(struct bnx2 *bp)
  4941. {
  4942. int i;
  4943. u16 status_idx;
  4944. if (!netif_running(bp->dev))
  4945. return -ENODEV;
  4946. status_idx = BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
  4947. /* This register is not touched during run-time. */
  4948. BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
  4949. BNX2_RD(bp, BNX2_HC_COMMAND);
  4950. for (i = 0; i < 10; i++) {
  4951. if ((BNX2_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff) !=
  4952. status_idx) {
  4953. break;
  4954. }
  4955. msleep_interruptible(10);
  4956. }
  4957. if (i < 10)
  4958. return 0;
  4959. return -ENODEV;
  4960. }
  4961. /* Determining link for parallel detection. */
  4962. static int
  4963. bnx2_5706_serdes_has_link(struct bnx2 *bp)
  4964. {
  4965. u32 mode_ctl, an_dbg, exp;
  4966. if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
  4967. return 0;
  4968. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
  4969. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
  4970. if (!(mode_ctl & MISC_SHDW_MODE_CTL_SIG_DET))
  4971. return 0;
  4972. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
  4973. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  4974. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
  4975. if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
  4976. return 0;
  4977. bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);
  4978. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
  4979. bnx2_read_phy(bp, MII_BNX2_DSP_RW_PORT, &exp);
  4980. if (exp & MII_EXPAND_REG1_RUDI_C) /* receiving CONFIG */
  4981. return 0;
  4982. return 1;
  4983. }
  4984. static void
  4985. bnx2_5706_serdes_timer(struct bnx2 *bp)
  4986. {
  4987. int check_link = 1;
  4988. spin_lock(&bp->phy_lock);
  4989. if (bp->serdes_an_pending) {
  4990. bp->serdes_an_pending--;
  4991. check_link = 0;
  4992. } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
  4993. u32 bmcr;
  4994. bp->current_interval = BNX2_TIMER_INTERVAL;
  4995. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  4996. if (bmcr & BMCR_ANENABLE) {
  4997. if (bnx2_5706_serdes_has_link(bp)) {
  4998. bmcr &= ~BMCR_ANENABLE;
  4999. bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
  5000. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  5001. bp->phy_flags |= BNX2_PHY_FLAG_PARALLEL_DETECT;
  5002. }
  5003. }
  5004. }
  5005. else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) &&
  5006. (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
  5007. u32 phy2;
  5008. bnx2_write_phy(bp, 0x17, 0x0f01);
  5009. bnx2_read_phy(bp, 0x15, &phy2);
  5010. if (phy2 & 0x20) {
  5011. u32 bmcr;
  5012. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  5013. bmcr |= BMCR_ANENABLE;
  5014. bnx2_write_phy(bp, bp->mii_bmcr, bmcr);
  5015. bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT;
  5016. }
  5017. } else
  5018. bp->current_interval = BNX2_TIMER_INTERVAL;
  5019. if (check_link) {
  5020. u32 val;
  5021. bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
  5022. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
  5023. bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
  5024. if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
  5025. if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
  5026. bnx2_5706s_force_link_dn(bp, 1);
  5027. bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
  5028. } else
  5029. bnx2_set_link(bp);
  5030. } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
  5031. bnx2_set_link(bp);
  5032. }
  5033. spin_unlock(&bp->phy_lock);
  5034. }
  5035. static void
  5036. bnx2_5708_serdes_timer(struct bnx2 *bp)
  5037. {
  5038. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  5039. return;
  5040. if ((bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE) == 0) {
  5041. bp->serdes_an_pending = 0;
  5042. return;
  5043. }
  5044. spin_lock(&bp->phy_lock);
  5045. if (bp->serdes_an_pending)
  5046. bp->serdes_an_pending--;
  5047. else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) {
  5048. u32 bmcr;
  5049. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  5050. if (bmcr & BMCR_ANENABLE) {
  5051. bnx2_enable_forced_2g5(bp);
  5052. bp->current_interval = BNX2_SERDES_FORCED_TIMEOUT;
  5053. } else {
  5054. bnx2_disable_forced_2g5(bp);
  5055. bp->serdes_an_pending = 2;
  5056. bp->current_interval = BNX2_TIMER_INTERVAL;
  5057. }
  5058. } else
  5059. bp->current_interval = BNX2_TIMER_INTERVAL;
  5060. spin_unlock(&bp->phy_lock);
  5061. }
  5062. static void
  5063. bnx2_timer(unsigned long data)
  5064. {
  5065. struct bnx2 *bp = (struct bnx2 *) data;
  5066. if (!netif_running(bp->dev))
  5067. return;
  5068. if (atomic_read(&bp->intr_sem) != 0)
  5069. goto bnx2_restart_timer;
  5070. if ((bp->flags & (BNX2_FLAG_USING_MSI | BNX2_FLAG_ONE_SHOT_MSI)) ==
  5071. BNX2_FLAG_USING_MSI)
  5072. bnx2_chk_missed_msi(bp);
  5073. bnx2_send_heart_beat(bp);
  5074. bp->stats_blk->stat_FwRxDrop =
  5075. bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
  5076. /* workaround occasional corrupted counters */
  5077. if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
  5078. BNX2_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
  5079. BNX2_HC_COMMAND_STATS_NOW);
  5080. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  5081. if (BNX2_CHIP(bp) == BNX2_CHIP_5706)
  5082. bnx2_5706_serdes_timer(bp);
  5083. else
  5084. bnx2_5708_serdes_timer(bp);
  5085. }
  5086. bnx2_restart_timer:
  5087. mod_timer(&bp->timer, jiffies + bp->current_interval);
  5088. }
  5089. static int
  5090. bnx2_request_irq(struct bnx2 *bp)
  5091. {
  5092. unsigned long flags;
  5093. struct bnx2_irq *irq;
  5094. int rc = 0, i;
  5095. if (bp->flags & BNX2_FLAG_USING_MSI_OR_MSIX)
  5096. flags = 0;
  5097. else
  5098. flags = IRQF_SHARED;
  5099. for (i = 0; i < bp->irq_nvecs; i++) {
  5100. irq = &bp->irq_tbl[i];
  5101. rc = request_irq(irq->vector, irq->handler, flags, irq->name,
  5102. &bp->bnx2_napi[i]);
  5103. if (rc)
  5104. break;
  5105. irq->requested = 1;
  5106. }
  5107. return rc;
  5108. }
  5109. static void
  5110. __bnx2_free_irq(struct bnx2 *bp)
  5111. {
  5112. struct bnx2_irq *irq;
  5113. int i;
  5114. for (i = 0; i < bp->irq_nvecs; i++) {
  5115. irq = &bp->irq_tbl[i];
  5116. if (irq->requested)
  5117. free_irq(irq->vector, &bp->bnx2_napi[i]);
  5118. irq->requested = 0;
  5119. }
  5120. }
  5121. static void
  5122. bnx2_free_irq(struct bnx2 *bp)
  5123. {
  5124. __bnx2_free_irq(bp);
  5125. if (bp->flags & BNX2_FLAG_USING_MSI)
  5126. pci_disable_msi(bp->pdev);
  5127. else if (bp->flags & BNX2_FLAG_USING_MSIX)
  5128. pci_disable_msix(bp->pdev);
  5129. bp->flags &= ~(BNX2_FLAG_USING_MSI_OR_MSIX | BNX2_FLAG_ONE_SHOT_MSI);
  5130. }
  5131. static void
  5132. bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
  5133. {
  5134. int i, total_vecs;
  5135. struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
  5136. struct net_device *dev = bp->dev;
  5137. const int len = sizeof(bp->irq_tbl[0].name);
  5138. bnx2_setup_msix_tbl(bp);
  5139. BNX2_WR(bp, BNX2_PCI_MSIX_CONTROL, BNX2_MAX_MSIX_HW_VEC - 1);
  5140. BNX2_WR(bp, BNX2_PCI_MSIX_TBL_OFF_BIR, BNX2_PCI_GRC_WINDOW2_BASE);
  5141. BNX2_WR(bp, BNX2_PCI_MSIX_PBA_OFF_BIT, BNX2_PCI_GRC_WINDOW3_BASE);
  5142. /* Need to flush the previous three writes to ensure MSI-X
  5143. * is setup properly */
  5144. BNX2_RD(bp, BNX2_PCI_MSIX_CONTROL);
  5145. for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
  5146. msix_ent[i].entry = i;
  5147. msix_ent[i].vector = 0;
  5148. }
  5149. total_vecs = msix_vecs;
  5150. #ifdef BCM_CNIC
  5151. total_vecs++;
  5152. #endif
  5153. total_vecs = pci_enable_msix_range(bp->pdev, msix_ent,
  5154. BNX2_MIN_MSIX_VEC, total_vecs);
  5155. if (total_vecs < 0)
  5156. return;
  5157. msix_vecs = total_vecs;
  5158. #ifdef BCM_CNIC
  5159. msix_vecs--;
  5160. #endif
  5161. bp->irq_nvecs = msix_vecs;
  5162. bp->flags |= BNX2_FLAG_USING_MSIX | BNX2_FLAG_ONE_SHOT_MSI;
  5163. for (i = 0; i < total_vecs; i++) {
  5164. bp->irq_tbl[i].vector = msix_ent[i].vector;
  5165. snprintf(bp->irq_tbl[i].name, len, "%s-%d", dev->name, i);
  5166. bp->irq_tbl[i].handler = bnx2_msi_1shot;
  5167. }
  5168. }
  5169. static int
  5170. bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
  5171. {
  5172. int cpus = netif_get_num_default_rss_queues();
  5173. int msix_vecs;
  5174. if (!bp->num_req_rx_rings)
  5175. msix_vecs = max(cpus + 1, bp->num_req_tx_rings);
  5176. else if (!bp->num_req_tx_rings)
  5177. msix_vecs = max(cpus, bp->num_req_rx_rings);
  5178. else
  5179. msix_vecs = max(bp->num_req_rx_rings, bp->num_req_tx_rings);
  5180. msix_vecs = min(msix_vecs, RX_MAX_RINGS);
  5181. bp->irq_tbl[0].handler = bnx2_interrupt;
  5182. strcpy(bp->irq_tbl[0].name, bp->dev->name);
  5183. bp->irq_nvecs = 1;
  5184. bp->irq_tbl[0].vector = bp->pdev->irq;
  5185. if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !dis_msi)
  5186. bnx2_enable_msix(bp, msix_vecs);
  5187. if ((bp->flags & BNX2_FLAG_MSI_CAP) && !dis_msi &&
  5188. !(bp->flags & BNX2_FLAG_USING_MSIX)) {
  5189. if (pci_enable_msi(bp->pdev) == 0) {
  5190. bp->flags |= BNX2_FLAG_USING_MSI;
  5191. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  5192. bp->flags |= BNX2_FLAG_ONE_SHOT_MSI;
  5193. bp->irq_tbl[0].handler = bnx2_msi_1shot;
  5194. } else
  5195. bp->irq_tbl[0].handler = bnx2_msi;
  5196. bp->irq_tbl[0].vector = bp->pdev->irq;
  5197. }
  5198. }
  5199. if (!bp->num_req_tx_rings)
  5200. bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
  5201. else
  5202. bp->num_tx_rings = min(bp->irq_nvecs, bp->num_req_tx_rings);
  5203. if (!bp->num_req_rx_rings)
  5204. bp->num_rx_rings = bp->irq_nvecs;
  5205. else
  5206. bp->num_rx_rings = min(bp->irq_nvecs, bp->num_req_rx_rings);
  5207. netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
  5208. return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
  5209. }
  5210. /* Called with rtnl_lock */
  5211. static int
  5212. bnx2_open(struct net_device *dev)
  5213. {
  5214. struct bnx2 *bp = netdev_priv(dev);
  5215. int rc;
  5216. rc = bnx2_request_firmware(bp);
  5217. if (rc < 0)
  5218. goto out;
  5219. netif_carrier_off(dev);
  5220. bnx2_disable_int(bp);
  5221. rc = bnx2_setup_int_mode(bp, disable_msi);
  5222. if (rc)
  5223. goto open_err;
  5224. bnx2_init_napi(bp);
  5225. bnx2_napi_enable(bp);
  5226. rc = bnx2_alloc_mem(bp);
  5227. if (rc)
  5228. goto open_err;
  5229. rc = bnx2_request_irq(bp);
  5230. if (rc)
  5231. goto open_err;
  5232. rc = bnx2_init_nic(bp, 1);
  5233. if (rc)
  5234. goto open_err;
  5235. mod_timer(&bp->timer, jiffies + bp->current_interval);
  5236. atomic_set(&bp->intr_sem, 0);
  5237. memset(bp->temp_stats_blk, 0, sizeof(struct statistics_block));
  5238. bnx2_enable_int(bp);
  5239. if (bp->flags & BNX2_FLAG_USING_MSI) {
  5240. /* Test MSI to make sure it is working
  5241. * If MSI test fails, go back to INTx mode
  5242. */
  5243. if (bnx2_test_intr(bp) != 0) {
  5244. netdev_warn(bp->dev, "No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information.\n");
  5245. bnx2_disable_int(bp);
  5246. bnx2_free_irq(bp);
  5247. bnx2_setup_int_mode(bp, 1);
  5248. rc = bnx2_init_nic(bp, 0);
  5249. if (!rc)
  5250. rc = bnx2_request_irq(bp);
  5251. if (rc) {
  5252. del_timer_sync(&bp->timer);
  5253. goto open_err;
  5254. }
  5255. bnx2_enable_int(bp);
  5256. }
  5257. }
  5258. if (bp->flags & BNX2_FLAG_USING_MSI)
  5259. netdev_info(dev, "using MSI\n");
  5260. else if (bp->flags & BNX2_FLAG_USING_MSIX)
  5261. netdev_info(dev, "using MSIX\n");
  5262. netif_tx_start_all_queues(dev);
  5263. out:
  5264. return rc;
  5265. open_err:
  5266. bnx2_napi_disable(bp);
  5267. bnx2_free_skbs(bp);
  5268. bnx2_free_irq(bp);
  5269. bnx2_free_mem(bp);
  5270. bnx2_del_napi(bp);
  5271. bnx2_release_firmware(bp);
  5272. goto out;
  5273. }
  5274. static void
  5275. bnx2_reset_task(struct work_struct *work)
  5276. {
  5277. struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
  5278. int rc;
  5279. u16 pcicmd;
  5280. rtnl_lock();
  5281. if (!netif_running(bp->dev)) {
  5282. rtnl_unlock();
  5283. return;
  5284. }
  5285. bnx2_netif_stop(bp, true);
  5286. pci_read_config_word(bp->pdev, PCI_COMMAND, &pcicmd);
  5287. if (!(pcicmd & PCI_COMMAND_MEMORY)) {
  5288. /* in case PCI block has reset */
  5289. pci_restore_state(bp->pdev);
  5290. pci_save_state(bp->pdev);
  5291. }
  5292. rc = bnx2_init_nic(bp, 1);
  5293. if (rc) {
  5294. netdev_err(bp->dev, "failed to reset NIC, closing\n");
  5295. bnx2_napi_enable(bp);
  5296. dev_close(bp->dev);
  5297. rtnl_unlock();
  5298. return;
  5299. }
  5300. atomic_set(&bp->intr_sem, 1);
  5301. bnx2_netif_start(bp, true);
  5302. rtnl_unlock();
  5303. }
  5304. #define BNX2_FTQ_ENTRY(ftq) { __stringify(ftq##FTQ_CTL), BNX2_##ftq##FTQ_CTL }
  5305. static void
  5306. bnx2_dump_ftq(struct bnx2 *bp)
  5307. {
  5308. int i;
  5309. u32 reg, bdidx, cid, valid;
  5310. struct net_device *dev = bp->dev;
  5311. static const struct ftq_reg {
  5312. char *name;
  5313. u32 off;
  5314. } ftq_arr[] = {
  5315. BNX2_FTQ_ENTRY(RV2P_P),
  5316. BNX2_FTQ_ENTRY(RV2P_T),
  5317. BNX2_FTQ_ENTRY(RV2P_M),
  5318. BNX2_FTQ_ENTRY(TBDR_),
  5319. BNX2_FTQ_ENTRY(TDMA_),
  5320. BNX2_FTQ_ENTRY(TXP_),
  5321. BNX2_FTQ_ENTRY(TXP_),
  5322. BNX2_FTQ_ENTRY(TPAT_),
  5323. BNX2_FTQ_ENTRY(RXP_C),
  5324. BNX2_FTQ_ENTRY(RXP_),
  5325. BNX2_FTQ_ENTRY(COM_COMXQ_),
  5326. BNX2_FTQ_ENTRY(COM_COMTQ_),
  5327. BNX2_FTQ_ENTRY(COM_COMQ_),
  5328. BNX2_FTQ_ENTRY(CP_CPQ_),
  5329. };
  5330. netdev_err(dev, "<--- start FTQ dump --->\n");
  5331. for (i = 0; i < ARRAY_SIZE(ftq_arr); i++)
  5332. netdev_err(dev, "%s %08x\n", ftq_arr[i].name,
  5333. bnx2_reg_rd_ind(bp, ftq_arr[i].off));
  5334. netdev_err(dev, "CPU states:\n");
  5335. for (reg = BNX2_TXP_CPU_MODE; reg <= BNX2_CP_CPU_MODE; reg += 0x40000)
  5336. netdev_err(dev, "%06x mode %x state %x evt_mask %x pc %x pc %x instr %x\n",
  5337. reg, bnx2_reg_rd_ind(bp, reg),
  5338. bnx2_reg_rd_ind(bp, reg + 4),
  5339. bnx2_reg_rd_ind(bp, reg + 8),
  5340. bnx2_reg_rd_ind(bp, reg + 0x1c),
  5341. bnx2_reg_rd_ind(bp, reg + 0x1c),
  5342. bnx2_reg_rd_ind(bp, reg + 0x20));
  5343. netdev_err(dev, "<--- end FTQ dump --->\n");
  5344. netdev_err(dev, "<--- start TBDC dump --->\n");
  5345. netdev_err(dev, "TBDC free cnt: %ld\n",
  5346. BNX2_RD(bp, BNX2_TBDC_STATUS) & BNX2_TBDC_STATUS_FREE_CNT);
  5347. netdev_err(dev, "LINE CID BIDX CMD VALIDS\n");
  5348. for (i = 0; i < 0x20; i++) {
  5349. int j = 0;
  5350. BNX2_WR(bp, BNX2_TBDC_BD_ADDR, i);
  5351. BNX2_WR(bp, BNX2_TBDC_CAM_OPCODE,
  5352. BNX2_TBDC_CAM_OPCODE_OPCODE_CAM_READ);
  5353. BNX2_WR(bp, BNX2_TBDC_COMMAND, BNX2_TBDC_COMMAND_CMD_REG_ARB);
  5354. while ((BNX2_RD(bp, BNX2_TBDC_COMMAND) &
  5355. BNX2_TBDC_COMMAND_CMD_REG_ARB) && j < 100)
  5356. j++;
  5357. cid = BNX2_RD(bp, BNX2_TBDC_CID);
  5358. bdidx = BNX2_RD(bp, BNX2_TBDC_BIDX);
  5359. valid = BNX2_RD(bp, BNX2_TBDC_CAM_OPCODE);
  5360. netdev_err(dev, "%02x %06x %04lx %02x [%x]\n",
  5361. i, cid, bdidx & BNX2_TBDC_BDIDX_BDIDX,
  5362. bdidx >> 24, (valid >> 8) & 0x0ff);
  5363. }
  5364. netdev_err(dev, "<--- end TBDC dump --->\n");
  5365. }
  5366. static void
  5367. bnx2_dump_state(struct bnx2 *bp)
  5368. {
  5369. struct net_device *dev = bp->dev;
  5370. u32 val1, val2;
  5371. pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1);
  5372. netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n",
  5373. atomic_read(&bp->intr_sem), val1);
  5374. pci_read_config_dword(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &val1);
  5375. pci_read_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, &val2);
  5376. netdev_err(dev, "DEBUG: PCI_PM[%08x] PCI_MISC_CFG[%08x]\n", val1, val2);
  5377. netdev_err(dev, "DEBUG: EMAC_TX_STATUS[%08x] EMAC_RX_STATUS[%08x]\n",
  5378. BNX2_RD(bp, BNX2_EMAC_TX_STATUS),
  5379. BNX2_RD(bp, BNX2_EMAC_RX_STATUS));
  5380. netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n",
  5381. BNX2_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
  5382. netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
  5383. BNX2_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
  5384. if (bp->flags & BNX2_FLAG_USING_MSIX)
  5385. netdev_err(dev, "DEBUG: PBA[%08x]\n",
  5386. BNX2_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
  5387. }
  5388. static void
  5389. bnx2_tx_timeout(struct net_device *dev)
  5390. {
  5391. struct bnx2 *bp = netdev_priv(dev);
  5392. bnx2_dump_ftq(bp);
  5393. bnx2_dump_state(bp);
  5394. bnx2_dump_mcp_state(bp);
  5395. /* This allows the netif to be shutdown gracefully before resetting */
  5396. schedule_work(&bp->reset_task);
  5397. }
  5398. /* Called with netif_tx_lock.
  5399. * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
  5400. * netif_wake_queue().
  5401. */
  5402. static netdev_tx_t
  5403. bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
  5404. {
  5405. struct bnx2 *bp = netdev_priv(dev);
  5406. dma_addr_t mapping;
  5407. struct bnx2_tx_bd *txbd;
  5408. struct bnx2_sw_tx_bd *tx_buf;
  5409. u32 len, vlan_tag_flags, last_frag, mss;
  5410. u16 prod, ring_prod;
  5411. int i;
  5412. struct bnx2_napi *bnapi;
  5413. struct bnx2_tx_ring_info *txr;
  5414. struct netdev_queue *txq;
  5415. /* Determine which tx ring we will be placed on */
  5416. i = skb_get_queue_mapping(skb);
  5417. bnapi = &bp->bnx2_napi[i];
  5418. txr = &bnapi->tx_ring;
  5419. txq = netdev_get_tx_queue(dev, i);
  5420. if (unlikely(bnx2_tx_avail(bp, txr) <
  5421. (skb_shinfo(skb)->nr_frags + 1))) {
  5422. netif_tx_stop_queue(txq);
  5423. netdev_err(dev, "BUG! Tx ring full when queue awake!\n");
  5424. return NETDEV_TX_BUSY;
  5425. }
  5426. len = skb_headlen(skb);
  5427. prod = txr->tx_prod;
  5428. ring_prod = BNX2_TX_RING_IDX(prod);
  5429. vlan_tag_flags = 0;
  5430. if (skb->ip_summed == CHECKSUM_PARTIAL) {
  5431. vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
  5432. }
  5433. if (skb_vlan_tag_present(skb)) {
  5434. vlan_tag_flags |=
  5435. (TX_BD_FLAGS_VLAN_TAG | (skb_vlan_tag_get(skb) << 16));
  5436. }
  5437. if ((mss = skb_shinfo(skb)->gso_size)) {
  5438. u32 tcp_opt_len;
  5439. struct iphdr *iph;
  5440. vlan_tag_flags |= TX_BD_FLAGS_SW_LSO;
  5441. tcp_opt_len = tcp_optlen(skb);
  5442. if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
  5443. u32 tcp_off = skb_transport_offset(skb) -
  5444. sizeof(struct ipv6hdr) - ETH_HLEN;
  5445. vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) |
  5446. TX_BD_FLAGS_SW_FLAGS;
  5447. if (likely(tcp_off == 0))
  5448. vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK;
  5449. else {
  5450. tcp_off >>= 3;
  5451. vlan_tag_flags |= ((tcp_off & 0x3) <<
  5452. TX_BD_FLAGS_TCP6_OFF0_SHL) |
  5453. ((tcp_off & 0x10) <<
  5454. TX_BD_FLAGS_TCP6_OFF4_SHL);
  5455. mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL;
  5456. }
  5457. } else {
  5458. iph = ip_hdr(skb);
  5459. if (tcp_opt_len || (iph->ihl > 5)) {
  5460. vlan_tag_flags |= ((iph->ihl - 5) +
  5461. (tcp_opt_len >> 2)) << 8;
  5462. }
  5463. }
  5464. } else
  5465. mss = 0;
  5466. mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
  5467. if (dma_mapping_error(&bp->pdev->dev, mapping)) {
  5468. dev_kfree_skb_any(skb);
  5469. return NETDEV_TX_OK;
  5470. }
  5471. tx_buf = &txr->tx_buf_ring[ring_prod];
  5472. tx_buf->skb = skb;
  5473. dma_unmap_addr_set(tx_buf, mapping, mapping);
  5474. txbd = &txr->tx_desc_ring[ring_prod];
  5475. txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
  5476. txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  5477. txbd->tx_bd_mss_nbytes = len | (mss << 16);
  5478. txbd->tx_bd_vlan_tag_flags = vlan_tag_flags | TX_BD_FLAGS_START;
  5479. last_frag = skb_shinfo(skb)->nr_frags;
  5480. tx_buf->nr_frags = last_frag;
  5481. tx_buf->is_gso = skb_is_gso(skb);
  5482. for (i = 0; i < last_frag; i++) {
  5483. const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  5484. prod = BNX2_NEXT_TX_BD(prod);
  5485. ring_prod = BNX2_TX_RING_IDX(prod);
  5486. txbd = &txr->tx_desc_ring[ring_prod];
  5487. len = skb_frag_size(frag);
  5488. mapping = skb_frag_dma_map(&bp->pdev->dev, frag, 0, len,
  5489. DMA_TO_DEVICE);
  5490. if (dma_mapping_error(&bp->pdev->dev, mapping))
  5491. goto dma_error;
  5492. dma_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
  5493. mapping);
  5494. txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
  5495. txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
  5496. txbd->tx_bd_mss_nbytes = len | (mss << 16);
  5497. txbd->tx_bd_vlan_tag_flags = vlan_tag_flags;
  5498. }
  5499. txbd->tx_bd_vlan_tag_flags |= TX_BD_FLAGS_END;
  5500. /* Sync BD data before updating TX mailbox */
  5501. wmb();
  5502. netdev_tx_sent_queue(txq, skb->len);
  5503. prod = BNX2_NEXT_TX_BD(prod);
  5504. txr->tx_prod_bseq += skb->len;
  5505. BNX2_WR16(bp, txr->tx_bidx_addr, prod);
  5506. BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq);
  5507. mmiowb();
  5508. txr->tx_prod = prod;
  5509. if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) {
  5510. netif_tx_stop_queue(txq);
  5511. /* netif_tx_stop_queue() must be done before checking
  5512. * tx index in bnx2_tx_avail() below, because in
  5513. * bnx2_tx_int(), we update tx index before checking for
  5514. * netif_tx_queue_stopped().
  5515. */
  5516. smp_mb();
  5517. if (bnx2_tx_avail(bp, txr) > bp->tx_wake_thresh)
  5518. netif_tx_wake_queue(txq);
  5519. }
  5520. return NETDEV_TX_OK;
  5521. dma_error:
  5522. /* save value of frag that failed */
  5523. last_frag = i;
  5524. /* start back at beginning and unmap skb */
  5525. prod = txr->tx_prod;
  5526. ring_prod = BNX2_TX_RING_IDX(prod);
  5527. tx_buf = &txr->tx_buf_ring[ring_prod];
  5528. tx_buf->skb = NULL;
  5529. dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
  5530. skb_headlen(skb), PCI_DMA_TODEVICE);
  5531. /* unmap remaining mapped pages */
  5532. for (i = 0; i < last_frag; i++) {
  5533. prod = BNX2_NEXT_TX_BD(prod);
  5534. ring_prod = BNX2_TX_RING_IDX(prod);
  5535. tx_buf = &txr->tx_buf_ring[ring_prod];
  5536. dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping),
  5537. skb_frag_size(&skb_shinfo(skb)->frags[i]),
  5538. PCI_DMA_TODEVICE);
  5539. }
  5540. dev_kfree_skb_any(skb);
  5541. return NETDEV_TX_OK;
  5542. }
  5543. /* Called with rtnl_lock */
  5544. static int
  5545. bnx2_close(struct net_device *dev)
  5546. {
  5547. struct bnx2 *bp = netdev_priv(dev);
  5548. bnx2_disable_int_sync(bp);
  5549. bnx2_napi_disable(bp);
  5550. netif_tx_disable(dev);
  5551. del_timer_sync(&bp->timer);
  5552. bnx2_shutdown_chip(bp);
  5553. bnx2_free_irq(bp);
  5554. bnx2_free_skbs(bp);
  5555. bnx2_free_mem(bp);
  5556. bnx2_del_napi(bp);
  5557. bp->link_up = 0;
  5558. netif_carrier_off(bp->dev);
  5559. return 0;
  5560. }
  5561. static void
  5562. bnx2_save_stats(struct bnx2 *bp)
  5563. {
  5564. u32 *hw_stats = (u32 *) bp->stats_blk;
  5565. u32 *temp_stats = (u32 *) bp->temp_stats_blk;
  5566. int i;
  5567. /* The 1st 10 counters are 64-bit counters */
  5568. for (i = 0; i < 20; i += 2) {
  5569. u32 hi;
  5570. u64 lo;
  5571. hi = temp_stats[i] + hw_stats[i];
  5572. lo = (u64) temp_stats[i + 1] + (u64) hw_stats[i + 1];
  5573. if (lo > 0xffffffff)
  5574. hi++;
  5575. temp_stats[i] = hi;
  5576. temp_stats[i + 1] = lo & 0xffffffff;
  5577. }
  5578. for ( ; i < sizeof(struct statistics_block) / 4; i++)
  5579. temp_stats[i] += hw_stats[i];
  5580. }
  5581. #define GET_64BIT_NET_STATS64(ctr) \
  5582. (((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
  5583. #define GET_64BIT_NET_STATS(ctr) \
  5584. GET_64BIT_NET_STATS64(bp->stats_blk->ctr) + \
  5585. GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
  5586. #define GET_32BIT_NET_STATS(ctr) \
  5587. (unsigned long) (bp->stats_blk->ctr + \
  5588. bp->temp_stats_blk->ctr)
  5589. static struct rtnl_link_stats64 *
  5590. bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
  5591. {
  5592. struct bnx2 *bp = netdev_priv(dev);
  5593. if (bp->stats_blk == NULL)
  5594. return net_stats;
  5595. net_stats->rx_packets =
  5596. GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
  5597. GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
  5598. GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
  5599. net_stats->tx_packets =
  5600. GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
  5601. GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
  5602. GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
  5603. net_stats->rx_bytes =
  5604. GET_64BIT_NET_STATS(stat_IfHCInOctets);
  5605. net_stats->tx_bytes =
  5606. GET_64BIT_NET_STATS(stat_IfHCOutOctets);
  5607. net_stats->multicast =
  5608. GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts);
  5609. net_stats->collisions =
  5610. GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
  5611. net_stats->rx_length_errors =
  5612. GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
  5613. GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
  5614. net_stats->rx_over_errors =
  5615. GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
  5616. GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
  5617. net_stats->rx_frame_errors =
  5618. GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
  5619. net_stats->rx_crc_errors =
  5620. GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
  5621. net_stats->rx_errors = net_stats->rx_length_errors +
  5622. net_stats->rx_over_errors + net_stats->rx_frame_errors +
  5623. net_stats->rx_crc_errors;
  5624. net_stats->tx_aborted_errors =
  5625. GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
  5626. GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
  5627. if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) ||
  5628. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
  5629. net_stats->tx_carrier_errors = 0;
  5630. else {
  5631. net_stats->tx_carrier_errors =
  5632. GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
  5633. }
  5634. net_stats->tx_errors =
  5635. GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
  5636. net_stats->tx_aborted_errors +
  5637. net_stats->tx_carrier_errors;
  5638. net_stats->rx_missed_errors =
  5639. GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
  5640. GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
  5641. GET_32BIT_NET_STATS(stat_FwRxDrop);
  5642. return net_stats;
  5643. }
  5644. /* All ethtool functions called with rtnl_lock */
  5645. static int
  5646. bnx2_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  5647. {
  5648. struct bnx2 *bp = netdev_priv(dev);
  5649. int support_serdes = 0, support_copper = 0;
  5650. cmd->supported = SUPPORTED_Autoneg;
  5651. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  5652. support_serdes = 1;
  5653. support_copper = 1;
  5654. } else if (bp->phy_port == PORT_FIBRE)
  5655. support_serdes = 1;
  5656. else
  5657. support_copper = 1;
  5658. if (support_serdes) {
  5659. cmd->supported |= SUPPORTED_1000baseT_Full |
  5660. SUPPORTED_FIBRE;
  5661. if (bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)
  5662. cmd->supported |= SUPPORTED_2500baseX_Full;
  5663. }
  5664. if (support_copper) {
  5665. cmd->supported |= SUPPORTED_10baseT_Half |
  5666. SUPPORTED_10baseT_Full |
  5667. SUPPORTED_100baseT_Half |
  5668. SUPPORTED_100baseT_Full |
  5669. SUPPORTED_1000baseT_Full |
  5670. SUPPORTED_TP;
  5671. }
  5672. spin_lock_bh(&bp->phy_lock);
  5673. cmd->port = bp->phy_port;
  5674. cmd->advertising = bp->advertising;
  5675. if (bp->autoneg & AUTONEG_SPEED) {
  5676. cmd->autoneg = AUTONEG_ENABLE;
  5677. } else {
  5678. cmd->autoneg = AUTONEG_DISABLE;
  5679. }
  5680. if (netif_carrier_ok(dev)) {
  5681. ethtool_cmd_speed_set(cmd, bp->line_speed);
  5682. cmd->duplex = bp->duplex;
  5683. if (!(bp->phy_flags & BNX2_PHY_FLAG_SERDES)) {
  5684. if (bp->phy_flags & BNX2_PHY_FLAG_MDIX)
  5685. cmd->eth_tp_mdix = ETH_TP_MDI_X;
  5686. else
  5687. cmd->eth_tp_mdix = ETH_TP_MDI;
  5688. }
  5689. }
  5690. else {
  5691. ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
  5692. cmd->duplex = DUPLEX_UNKNOWN;
  5693. }
  5694. spin_unlock_bh(&bp->phy_lock);
  5695. cmd->transceiver = XCVR_INTERNAL;
  5696. cmd->phy_address = bp->phy_addr;
  5697. return 0;
  5698. }
  5699. static int
  5700. bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  5701. {
  5702. struct bnx2 *bp = netdev_priv(dev);
  5703. u8 autoneg = bp->autoneg;
  5704. u8 req_duplex = bp->req_duplex;
  5705. u16 req_line_speed = bp->req_line_speed;
  5706. u32 advertising = bp->advertising;
  5707. int err = -EINVAL;
  5708. spin_lock_bh(&bp->phy_lock);
  5709. if (cmd->port != PORT_TP && cmd->port != PORT_FIBRE)
  5710. goto err_out_unlock;
  5711. if (cmd->port != bp->phy_port &&
  5712. !(bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP))
  5713. goto err_out_unlock;
  5714. /* If device is down, we can store the settings only if the user
  5715. * is setting the currently active port.
  5716. */
  5717. if (!netif_running(dev) && cmd->port != bp->phy_port)
  5718. goto err_out_unlock;
  5719. if (cmd->autoneg == AUTONEG_ENABLE) {
  5720. autoneg |= AUTONEG_SPEED;
  5721. advertising = cmd->advertising;
  5722. if (cmd->port == PORT_TP) {
  5723. advertising &= ETHTOOL_ALL_COPPER_SPEED;
  5724. if (!advertising)
  5725. advertising = ETHTOOL_ALL_COPPER_SPEED;
  5726. } else {
  5727. advertising &= ETHTOOL_ALL_FIBRE_SPEED;
  5728. if (!advertising)
  5729. advertising = ETHTOOL_ALL_FIBRE_SPEED;
  5730. }
  5731. advertising |= ADVERTISED_Autoneg;
  5732. }
  5733. else {
  5734. u32 speed = ethtool_cmd_speed(cmd);
  5735. if (cmd->port == PORT_FIBRE) {
  5736. if ((speed != SPEED_1000 &&
  5737. speed != SPEED_2500) ||
  5738. (cmd->duplex != DUPLEX_FULL))
  5739. goto err_out_unlock;
  5740. if (speed == SPEED_2500 &&
  5741. !(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE))
  5742. goto err_out_unlock;
  5743. } else if (speed == SPEED_1000 || speed == SPEED_2500)
  5744. goto err_out_unlock;
  5745. autoneg &= ~AUTONEG_SPEED;
  5746. req_line_speed = speed;
  5747. req_duplex = cmd->duplex;
  5748. advertising = 0;
  5749. }
  5750. bp->autoneg = autoneg;
  5751. bp->advertising = advertising;
  5752. bp->req_line_speed = req_line_speed;
  5753. bp->req_duplex = req_duplex;
  5754. err = 0;
  5755. /* If device is down, the new settings will be picked up when it is
  5756. * brought up.
  5757. */
  5758. if (netif_running(dev))
  5759. err = bnx2_setup_phy(bp, cmd->port);
  5760. err_out_unlock:
  5761. spin_unlock_bh(&bp->phy_lock);
  5762. return err;
  5763. }
  5764. static void
  5765. bnx2_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
  5766. {
  5767. struct bnx2 *bp = netdev_priv(dev);
  5768. strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
  5769. strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
  5770. strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
  5771. strlcpy(info->fw_version, bp->fw_version, sizeof(info->fw_version));
  5772. }
  5773. #define BNX2_REGDUMP_LEN (32 * 1024)
  5774. static int
  5775. bnx2_get_regs_len(struct net_device *dev)
  5776. {
  5777. return BNX2_REGDUMP_LEN;
  5778. }
  5779. static void
  5780. bnx2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
  5781. {
  5782. u32 *p = _p, i, offset;
  5783. u8 *orig_p = _p;
  5784. struct bnx2 *bp = netdev_priv(dev);
  5785. static const u32 reg_boundaries[] = {
  5786. 0x0000, 0x0098, 0x0400, 0x045c,
  5787. 0x0800, 0x0880, 0x0c00, 0x0c10,
  5788. 0x0c30, 0x0d08, 0x1000, 0x101c,
  5789. 0x1040, 0x1048, 0x1080, 0x10a4,
  5790. 0x1400, 0x1490, 0x1498, 0x14f0,
  5791. 0x1500, 0x155c, 0x1580, 0x15dc,
  5792. 0x1600, 0x1658, 0x1680, 0x16d8,
  5793. 0x1800, 0x1820, 0x1840, 0x1854,
  5794. 0x1880, 0x1894, 0x1900, 0x1984,
  5795. 0x1c00, 0x1c0c, 0x1c40, 0x1c54,
  5796. 0x1c80, 0x1c94, 0x1d00, 0x1d84,
  5797. 0x2000, 0x2030, 0x23c0, 0x2400,
  5798. 0x2800, 0x2820, 0x2830, 0x2850,
  5799. 0x2b40, 0x2c10, 0x2fc0, 0x3058,
  5800. 0x3c00, 0x3c94, 0x4000, 0x4010,
  5801. 0x4080, 0x4090, 0x43c0, 0x4458,
  5802. 0x4c00, 0x4c18, 0x4c40, 0x4c54,
  5803. 0x4fc0, 0x5010, 0x53c0, 0x5444,
  5804. 0x5c00, 0x5c18, 0x5c80, 0x5c90,
  5805. 0x5fc0, 0x6000, 0x6400, 0x6428,
  5806. 0x6800, 0x6848, 0x684c, 0x6860,
  5807. 0x6888, 0x6910, 0x8000
  5808. };
  5809. regs->version = 0;
  5810. memset(p, 0, BNX2_REGDUMP_LEN);
  5811. if (!netif_running(bp->dev))
  5812. return;
  5813. i = 0;
  5814. offset = reg_boundaries[0];
  5815. p += offset;
  5816. while (offset < BNX2_REGDUMP_LEN) {
  5817. *p++ = BNX2_RD(bp, offset);
  5818. offset += 4;
  5819. if (offset == reg_boundaries[i + 1]) {
  5820. offset = reg_boundaries[i + 2];
  5821. p = (u32 *) (orig_p + offset);
  5822. i += 2;
  5823. }
  5824. }
  5825. }
  5826. static void
  5827. bnx2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  5828. {
  5829. struct bnx2 *bp = netdev_priv(dev);
  5830. if (bp->flags & BNX2_FLAG_NO_WOL) {
  5831. wol->supported = 0;
  5832. wol->wolopts = 0;
  5833. }
  5834. else {
  5835. wol->supported = WAKE_MAGIC;
  5836. if (bp->wol)
  5837. wol->wolopts = WAKE_MAGIC;
  5838. else
  5839. wol->wolopts = 0;
  5840. }
  5841. memset(&wol->sopass, 0, sizeof(wol->sopass));
  5842. }
  5843. static int
  5844. bnx2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  5845. {
  5846. struct bnx2 *bp = netdev_priv(dev);
  5847. if (wol->wolopts & ~WAKE_MAGIC)
  5848. return -EINVAL;
  5849. if (wol->wolopts & WAKE_MAGIC) {
  5850. if (bp->flags & BNX2_FLAG_NO_WOL)
  5851. return -EINVAL;
  5852. bp->wol = 1;
  5853. }
  5854. else {
  5855. bp->wol = 0;
  5856. }
  5857. device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
  5858. return 0;
  5859. }
  5860. static int
  5861. bnx2_nway_reset(struct net_device *dev)
  5862. {
  5863. struct bnx2 *bp = netdev_priv(dev);
  5864. u32 bmcr;
  5865. if (!netif_running(dev))
  5866. return -EAGAIN;
  5867. if (!(bp->autoneg & AUTONEG_SPEED)) {
  5868. return -EINVAL;
  5869. }
  5870. spin_lock_bh(&bp->phy_lock);
  5871. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) {
  5872. int rc;
  5873. rc = bnx2_setup_remote_phy(bp, bp->phy_port);
  5874. spin_unlock_bh(&bp->phy_lock);
  5875. return rc;
  5876. }
  5877. /* Force a link down visible on the other side */
  5878. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  5879. bnx2_write_phy(bp, bp->mii_bmcr, BMCR_LOOPBACK);
  5880. spin_unlock_bh(&bp->phy_lock);
  5881. msleep(20);
  5882. spin_lock_bh(&bp->phy_lock);
  5883. bp->current_interval = BNX2_SERDES_AN_TIMEOUT;
  5884. bp->serdes_an_pending = 1;
  5885. mod_timer(&bp->timer, jiffies + bp->current_interval);
  5886. }
  5887. bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
  5888. bmcr &= ~BMCR_LOOPBACK;
  5889. bnx2_write_phy(bp, bp->mii_bmcr, bmcr | BMCR_ANRESTART | BMCR_ANENABLE);
  5890. spin_unlock_bh(&bp->phy_lock);
  5891. return 0;
  5892. }
  5893. static u32
  5894. bnx2_get_link(struct net_device *dev)
  5895. {
  5896. struct bnx2 *bp = netdev_priv(dev);
  5897. return bp->link_up;
  5898. }
  5899. static int
  5900. bnx2_get_eeprom_len(struct net_device *dev)
  5901. {
  5902. struct bnx2 *bp = netdev_priv(dev);
  5903. if (bp->flash_info == NULL)
  5904. return 0;
  5905. return (int) bp->flash_size;
  5906. }
  5907. static int
  5908. bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
  5909. u8 *eebuf)
  5910. {
  5911. struct bnx2 *bp = netdev_priv(dev);
  5912. int rc;
  5913. /* parameters already validated in ethtool_get_eeprom */
  5914. rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
  5915. return rc;
  5916. }
  5917. static int
  5918. bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
  5919. u8 *eebuf)
  5920. {
  5921. struct bnx2 *bp = netdev_priv(dev);
  5922. int rc;
  5923. /* parameters already validated in ethtool_set_eeprom */
  5924. rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
  5925. return rc;
  5926. }
  5927. static int
  5928. bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
  5929. {
  5930. struct bnx2 *bp = netdev_priv(dev);
  5931. memset(coal, 0, sizeof(struct ethtool_coalesce));
  5932. coal->rx_coalesce_usecs = bp->rx_ticks;
  5933. coal->rx_max_coalesced_frames = bp->rx_quick_cons_trip;
  5934. coal->rx_coalesce_usecs_irq = bp->rx_ticks_int;
  5935. coal->rx_max_coalesced_frames_irq = bp->rx_quick_cons_trip_int;
  5936. coal->tx_coalesce_usecs = bp->tx_ticks;
  5937. coal->tx_max_coalesced_frames = bp->tx_quick_cons_trip;
  5938. coal->tx_coalesce_usecs_irq = bp->tx_ticks_int;
  5939. coal->tx_max_coalesced_frames_irq = bp->tx_quick_cons_trip_int;
  5940. coal->stats_block_coalesce_usecs = bp->stats_ticks;
  5941. return 0;
  5942. }
  5943. static int
  5944. bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
  5945. {
  5946. struct bnx2 *bp = netdev_priv(dev);
  5947. bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
  5948. if (bp->rx_ticks > 0x3ff) bp->rx_ticks = 0x3ff;
  5949. bp->rx_quick_cons_trip = (u16) coal->rx_max_coalesced_frames;
  5950. if (bp->rx_quick_cons_trip > 0xff) bp->rx_quick_cons_trip = 0xff;
  5951. bp->rx_ticks_int = (u16) coal->rx_coalesce_usecs_irq;
  5952. if (bp->rx_ticks_int > 0x3ff) bp->rx_ticks_int = 0x3ff;
  5953. bp->rx_quick_cons_trip_int = (u16) coal->rx_max_coalesced_frames_irq;
  5954. if (bp->rx_quick_cons_trip_int > 0xff)
  5955. bp->rx_quick_cons_trip_int = 0xff;
  5956. bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
  5957. if (bp->tx_ticks > 0x3ff) bp->tx_ticks = 0x3ff;
  5958. bp->tx_quick_cons_trip = (u16) coal->tx_max_coalesced_frames;
  5959. if (bp->tx_quick_cons_trip > 0xff) bp->tx_quick_cons_trip = 0xff;
  5960. bp->tx_ticks_int = (u16) coal->tx_coalesce_usecs_irq;
  5961. if (bp->tx_ticks_int > 0x3ff) bp->tx_ticks_int = 0x3ff;
  5962. bp->tx_quick_cons_trip_int = (u16) coal->tx_max_coalesced_frames_irq;
  5963. if (bp->tx_quick_cons_trip_int > 0xff) bp->tx_quick_cons_trip_int =
  5964. 0xff;
  5965. bp->stats_ticks = coal->stats_block_coalesce_usecs;
  5966. if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
  5967. if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
  5968. bp->stats_ticks = USEC_PER_SEC;
  5969. }
  5970. if (bp->stats_ticks > BNX2_HC_STATS_TICKS_HC_STAT_TICKS)
  5971. bp->stats_ticks = BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  5972. bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  5973. if (netif_running(bp->dev)) {
  5974. bnx2_netif_stop(bp, true);
  5975. bnx2_init_nic(bp, 0);
  5976. bnx2_netif_start(bp, true);
  5977. }
  5978. return 0;
  5979. }
  5980. static void
  5981. bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  5982. {
  5983. struct bnx2 *bp = netdev_priv(dev);
  5984. ering->rx_max_pending = BNX2_MAX_TOTAL_RX_DESC_CNT;
  5985. ering->rx_jumbo_max_pending = BNX2_MAX_TOTAL_RX_PG_DESC_CNT;
  5986. ering->rx_pending = bp->rx_ring_size;
  5987. ering->rx_jumbo_pending = bp->rx_pg_ring_size;
  5988. ering->tx_max_pending = BNX2_MAX_TX_DESC_CNT;
  5989. ering->tx_pending = bp->tx_ring_size;
  5990. }
  5991. static int
  5992. bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx, bool reset_irq)
  5993. {
  5994. if (netif_running(bp->dev)) {
  5995. /* Reset will erase chipset stats; save them */
  5996. bnx2_save_stats(bp);
  5997. bnx2_netif_stop(bp, true);
  5998. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
  5999. if (reset_irq) {
  6000. bnx2_free_irq(bp);
  6001. bnx2_del_napi(bp);
  6002. } else {
  6003. __bnx2_free_irq(bp);
  6004. }
  6005. bnx2_free_skbs(bp);
  6006. bnx2_free_mem(bp);
  6007. }
  6008. bnx2_set_rx_ring_size(bp, rx);
  6009. bp->tx_ring_size = tx;
  6010. if (netif_running(bp->dev)) {
  6011. int rc = 0;
  6012. if (reset_irq) {
  6013. rc = bnx2_setup_int_mode(bp, disable_msi);
  6014. bnx2_init_napi(bp);
  6015. }
  6016. if (!rc)
  6017. rc = bnx2_alloc_mem(bp);
  6018. if (!rc)
  6019. rc = bnx2_request_irq(bp);
  6020. if (!rc)
  6021. rc = bnx2_init_nic(bp, 0);
  6022. if (rc) {
  6023. bnx2_napi_enable(bp);
  6024. dev_close(bp->dev);
  6025. return rc;
  6026. }
  6027. #ifdef BCM_CNIC
  6028. mutex_lock(&bp->cnic_lock);
  6029. /* Let cnic know about the new status block. */
  6030. if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
  6031. bnx2_setup_cnic_irq_info(bp);
  6032. mutex_unlock(&bp->cnic_lock);
  6033. #endif
  6034. bnx2_netif_start(bp, true);
  6035. }
  6036. return 0;
  6037. }
  6038. static int
  6039. bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  6040. {
  6041. struct bnx2 *bp = netdev_priv(dev);
  6042. int rc;
  6043. if ((ering->rx_pending > BNX2_MAX_TOTAL_RX_DESC_CNT) ||
  6044. (ering->tx_pending > BNX2_MAX_TX_DESC_CNT) ||
  6045. (ering->tx_pending <= MAX_SKB_FRAGS)) {
  6046. return -EINVAL;
  6047. }
  6048. rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending,
  6049. false);
  6050. return rc;
  6051. }
  6052. static void
  6053. bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  6054. {
  6055. struct bnx2 *bp = netdev_priv(dev);
  6056. epause->autoneg = ((bp->autoneg & AUTONEG_FLOW_CTRL) != 0);
  6057. epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) != 0);
  6058. epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) != 0);
  6059. }
  6060. static int
  6061. bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  6062. {
  6063. struct bnx2 *bp = netdev_priv(dev);
  6064. bp->req_flow_ctrl = 0;
  6065. if (epause->rx_pause)
  6066. bp->req_flow_ctrl |= FLOW_CTRL_RX;
  6067. if (epause->tx_pause)
  6068. bp->req_flow_ctrl |= FLOW_CTRL_TX;
  6069. if (epause->autoneg) {
  6070. bp->autoneg |= AUTONEG_FLOW_CTRL;
  6071. }
  6072. else {
  6073. bp->autoneg &= ~AUTONEG_FLOW_CTRL;
  6074. }
  6075. if (netif_running(dev)) {
  6076. spin_lock_bh(&bp->phy_lock);
  6077. bnx2_setup_phy(bp, bp->phy_port);
  6078. spin_unlock_bh(&bp->phy_lock);
  6079. }
  6080. return 0;
  6081. }
  6082. static struct {
  6083. char string[ETH_GSTRING_LEN];
  6084. } bnx2_stats_str_arr[] = {
  6085. { "rx_bytes" },
  6086. { "rx_error_bytes" },
  6087. { "tx_bytes" },
  6088. { "tx_error_bytes" },
  6089. { "rx_ucast_packets" },
  6090. { "rx_mcast_packets" },
  6091. { "rx_bcast_packets" },
  6092. { "tx_ucast_packets" },
  6093. { "tx_mcast_packets" },
  6094. { "tx_bcast_packets" },
  6095. { "tx_mac_errors" },
  6096. { "tx_carrier_errors" },
  6097. { "rx_crc_errors" },
  6098. { "rx_align_errors" },
  6099. { "tx_single_collisions" },
  6100. { "tx_multi_collisions" },
  6101. { "tx_deferred" },
  6102. { "tx_excess_collisions" },
  6103. { "tx_late_collisions" },
  6104. { "tx_total_collisions" },
  6105. { "rx_fragments" },
  6106. { "rx_jabbers" },
  6107. { "rx_undersize_packets" },
  6108. { "rx_oversize_packets" },
  6109. { "rx_64_byte_packets" },
  6110. { "rx_65_to_127_byte_packets" },
  6111. { "rx_128_to_255_byte_packets" },
  6112. { "rx_256_to_511_byte_packets" },
  6113. { "rx_512_to_1023_byte_packets" },
  6114. { "rx_1024_to_1522_byte_packets" },
  6115. { "rx_1523_to_9022_byte_packets" },
  6116. { "tx_64_byte_packets" },
  6117. { "tx_65_to_127_byte_packets" },
  6118. { "tx_128_to_255_byte_packets" },
  6119. { "tx_256_to_511_byte_packets" },
  6120. { "tx_512_to_1023_byte_packets" },
  6121. { "tx_1024_to_1522_byte_packets" },
  6122. { "tx_1523_to_9022_byte_packets" },
  6123. { "rx_xon_frames" },
  6124. { "rx_xoff_frames" },
  6125. { "tx_xon_frames" },
  6126. { "tx_xoff_frames" },
  6127. { "rx_mac_ctrl_frames" },
  6128. { "rx_filtered_packets" },
  6129. { "rx_ftq_discards" },
  6130. { "rx_discards" },
  6131. { "rx_fw_discards" },
  6132. };
  6133. #define BNX2_NUM_STATS ARRAY_SIZE(bnx2_stats_str_arr)
  6134. #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
  6135. static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
  6136. STATS_OFFSET32(stat_IfHCInOctets_hi),
  6137. STATS_OFFSET32(stat_IfHCInBadOctets_hi),
  6138. STATS_OFFSET32(stat_IfHCOutOctets_hi),
  6139. STATS_OFFSET32(stat_IfHCOutBadOctets_hi),
  6140. STATS_OFFSET32(stat_IfHCInUcastPkts_hi),
  6141. STATS_OFFSET32(stat_IfHCInMulticastPkts_hi),
  6142. STATS_OFFSET32(stat_IfHCInBroadcastPkts_hi),
  6143. STATS_OFFSET32(stat_IfHCOutUcastPkts_hi),
  6144. STATS_OFFSET32(stat_IfHCOutMulticastPkts_hi),
  6145. STATS_OFFSET32(stat_IfHCOutBroadcastPkts_hi),
  6146. STATS_OFFSET32(stat_emac_tx_stat_dot3statsinternalmactransmiterrors),
  6147. STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors),
  6148. STATS_OFFSET32(stat_Dot3StatsFCSErrors),
  6149. STATS_OFFSET32(stat_Dot3StatsAlignmentErrors),
  6150. STATS_OFFSET32(stat_Dot3StatsSingleCollisionFrames),
  6151. STATS_OFFSET32(stat_Dot3StatsMultipleCollisionFrames),
  6152. STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions),
  6153. STATS_OFFSET32(stat_Dot3StatsExcessiveCollisions),
  6154. STATS_OFFSET32(stat_Dot3StatsLateCollisions),
  6155. STATS_OFFSET32(stat_EtherStatsCollisions),
  6156. STATS_OFFSET32(stat_EtherStatsFragments),
  6157. STATS_OFFSET32(stat_EtherStatsJabbers),
  6158. STATS_OFFSET32(stat_EtherStatsUndersizePkts),
  6159. STATS_OFFSET32(stat_EtherStatsOverrsizePkts),
  6160. STATS_OFFSET32(stat_EtherStatsPktsRx64Octets),
  6161. STATS_OFFSET32(stat_EtherStatsPktsRx65Octetsto127Octets),
  6162. STATS_OFFSET32(stat_EtherStatsPktsRx128Octetsto255Octets),
  6163. STATS_OFFSET32(stat_EtherStatsPktsRx256Octetsto511Octets),
  6164. STATS_OFFSET32(stat_EtherStatsPktsRx512Octetsto1023Octets),
  6165. STATS_OFFSET32(stat_EtherStatsPktsRx1024Octetsto1522Octets),
  6166. STATS_OFFSET32(stat_EtherStatsPktsRx1523Octetsto9022Octets),
  6167. STATS_OFFSET32(stat_EtherStatsPktsTx64Octets),
  6168. STATS_OFFSET32(stat_EtherStatsPktsTx65Octetsto127Octets),
  6169. STATS_OFFSET32(stat_EtherStatsPktsTx128Octetsto255Octets),
  6170. STATS_OFFSET32(stat_EtherStatsPktsTx256Octetsto511Octets),
  6171. STATS_OFFSET32(stat_EtherStatsPktsTx512Octetsto1023Octets),
  6172. STATS_OFFSET32(stat_EtherStatsPktsTx1024Octetsto1522Octets),
  6173. STATS_OFFSET32(stat_EtherStatsPktsTx1523Octetsto9022Octets),
  6174. STATS_OFFSET32(stat_XonPauseFramesReceived),
  6175. STATS_OFFSET32(stat_XoffPauseFramesReceived),
  6176. STATS_OFFSET32(stat_OutXonSent),
  6177. STATS_OFFSET32(stat_OutXoffSent),
  6178. STATS_OFFSET32(stat_MacControlFramesReceived),
  6179. STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
  6180. STATS_OFFSET32(stat_IfInFTQDiscards),
  6181. STATS_OFFSET32(stat_IfInMBUFDiscards),
  6182. STATS_OFFSET32(stat_FwRxDrop),
  6183. };
  6184. /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
  6185. * skipped because of errata.
  6186. */
  6187. static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
  6188. 8,0,8,8,8,8,8,8,8,8,
  6189. 4,0,4,4,4,4,4,4,4,4,
  6190. 4,4,4,4,4,4,4,4,4,4,
  6191. 4,4,4,4,4,4,4,4,4,4,
  6192. 4,4,4,4,4,4,4,
  6193. };
  6194. static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
  6195. 8,0,8,8,8,8,8,8,8,8,
  6196. 4,4,4,4,4,4,4,4,4,4,
  6197. 4,4,4,4,4,4,4,4,4,4,
  6198. 4,4,4,4,4,4,4,4,4,4,
  6199. 4,4,4,4,4,4,4,
  6200. };
  6201. #define BNX2_NUM_TESTS 6
  6202. static struct {
  6203. char string[ETH_GSTRING_LEN];
  6204. } bnx2_tests_str_arr[BNX2_NUM_TESTS] = {
  6205. { "register_test (offline)" },
  6206. { "memory_test (offline)" },
  6207. { "loopback_test (offline)" },
  6208. { "nvram_test (online)" },
  6209. { "interrupt_test (online)" },
  6210. { "link_test (online)" },
  6211. };
  6212. static int
  6213. bnx2_get_sset_count(struct net_device *dev, int sset)
  6214. {
  6215. switch (sset) {
  6216. case ETH_SS_TEST:
  6217. return BNX2_NUM_TESTS;
  6218. case ETH_SS_STATS:
  6219. return BNX2_NUM_STATS;
  6220. default:
  6221. return -EOPNOTSUPP;
  6222. }
  6223. }
  6224. static void
  6225. bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
  6226. {
  6227. struct bnx2 *bp = netdev_priv(dev);
  6228. memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
  6229. if (etest->flags & ETH_TEST_FL_OFFLINE) {
  6230. int i;
  6231. bnx2_netif_stop(bp, true);
  6232. bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
  6233. bnx2_free_skbs(bp);
  6234. if (bnx2_test_registers(bp) != 0) {
  6235. buf[0] = 1;
  6236. etest->flags |= ETH_TEST_FL_FAILED;
  6237. }
  6238. if (bnx2_test_memory(bp) != 0) {
  6239. buf[1] = 1;
  6240. etest->flags |= ETH_TEST_FL_FAILED;
  6241. }
  6242. if ((buf[2] = bnx2_test_loopback(bp)) != 0)
  6243. etest->flags |= ETH_TEST_FL_FAILED;
  6244. if (!netif_running(bp->dev))
  6245. bnx2_shutdown_chip(bp);
  6246. else {
  6247. bnx2_init_nic(bp, 1);
  6248. bnx2_netif_start(bp, true);
  6249. }
  6250. /* wait for link up */
  6251. for (i = 0; i < 7; i++) {
  6252. if (bp->link_up)
  6253. break;
  6254. msleep_interruptible(1000);
  6255. }
  6256. }
  6257. if (bnx2_test_nvram(bp) != 0) {
  6258. buf[3] = 1;
  6259. etest->flags |= ETH_TEST_FL_FAILED;
  6260. }
  6261. if (bnx2_test_intr(bp) != 0) {
  6262. buf[4] = 1;
  6263. etest->flags |= ETH_TEST_FL_FAILED;
  6264. }
  6265. if (bnx2_test_link(bp) != 0) {
  6266. buf[5] = 1;
  6267. etest->flags |= ETH_TEST_FL_FAILED;
  6268. }
  6269. }
  6270. static void
  6271. bnx2_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
  6272. {
  6273. switch (stringset) {
  6274. case ETH_SS_STATS:
  6275. memcpy(buf, bnx2_stats_str_arr,
  6276. sizeof(bnx2_stats_str_arr));
  6277. break;
  6278. case ETH_SS_TEST:
  6279. memcpy(buf, bnx2_tests_str_arr,
  6280. sizeof(bnx2_tests_str_arr));
  6281. break;
  6282. }
  6283. }
  6284. static void
  6285. bnx2_get_ethtool_stats(struct net_device *dev,
  6286. struct ethtool_stats *stats, u64 *buf)
  6287. {
  6288. struct bnx2 *bp = netdev_priv(dev);
  6289. int i;
  6290. u32 *hw_stats = (u32 *) bp->stats_blk;
  6291. u32 *temp_stats = (u32 *) bp->temp_stats_blk;
  6292. u8 *stats_len_arr = NULL;
  6293. if (hw_stats == NULL) {
  6294. memset(buf, 0, sizeof(u64) * BNX2_NUM_STATS);
  6295. return;
  6296. }
  6297. if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) ||
  6298. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) ||
  6299. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A2) ||
  6300. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0))
  6301. stats_len_arr = bnx2_5706_stats_len_arr;
  6302. else
  6303. stats_len_arr = bnx2_5708_stats_len_arr;
  6304. for (i = 0; i < BNX2_NUM_STATS; i++) {
  6305. unsigned long offset;
  6306. if (stats_len_arr[i] == 0) {
  6307. /* skip this counter */
  6308. buf[i] = 0;
  6309. continue;
  6310. }
  6311. offset = bnx2_stats_offset_arr[i];
  6312. if (stats_len_arr[i] == 4) {
  6313. /* 4-byte counter */
  6314. buf[i] = (u64) *(hw_stats + offset) +
  6315. *(temp_stats + offset);
  6316. continue;
  6317. }
  6318. /* 8-byte counter */
  6319. buf[i] = (((u64) *(hw_stats + offset)) << 32) +
  6320. *(hw_stats + offset + 1) +
  6321. (((u64) *(temp_stats + offset)) << 32) +
  6322. *(temp_stats + offset + 1);
  6323. }
  6324. }
  6325. static int
  6326. bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
  6327. {
  6328. struct bnx2 *bp = netdev_priv(dev);
  6329. switch (state) {
  6330. case ETHTOOL_ID_ACTIVE:
  6331. bp->leds_save = BNX2_RD(bp, BNX2_MISC_CFG);
  6332. BNX2_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
  6333. return 1; /* cycle on/off once per second */
  6334. case ETHTOOL_ID_ON:
  6335. BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE |
  6336. BNX2_EMAC_LED_1000MB_OVERRIDE |
  6337. BNX2_EMAC_LED_100MB_OVERRIDE |
  6338. BNX2_EMAC_LED_10MB_OVERRIDE |
  6339. BNX2_EMAC_LED_TRAFFIC_OVERRIDE |
  6340. BNX2_EMAC_LED_TRAFFIC);
  6341. break;
  6342. case ETHTOOL_ID_OFF:
  6343. BNX2_WR(bp, BNX2_EMAC_LED, BNX2_EMAC_LED_OVERRIDE);
  6344. break;
  6345. case ETHTOOL_ID_INACTIVE:
  6346. BNX2_WR(bp, BNX2_EMAC_LED, 0);
  6347. BNX2_WR(bp, BNX2_MISC_CFG, bp->leds_save);
  6348. break;
  6349. }
  6350. return 0;
  6351. }
  6352. static int
  6353. bnx2_set_features(struct net_device *dev, netdev_features_t features)
  6354. {
  6355. struct bnx2 *bp = netdev_priv(dev);
  6356. /* TSO with VLAN tag won't work with current firmware */
  6357. if (features & NETIF_F_HW_VLAN_CTAG_TX)
  6358. dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO);
  6359. else
  6360. dev->vlan_features &= ~NETIF_F_ALL_TSO;
  6361. if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) !=
  6362. !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
  6363. netif_running(dev)) {
  6364. bnx2_netif_stop(bp, false);
  6365. dev->features = features;
  6366. bnx2_set_rx_mode(dev);
  6367. bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
  6368. bnx2_netif_start(bp, false);
  6369. return 1;
  6370. }
  6371. return 0;
  6372. }
  6373. static void bnx2_get_channels(struct net_device *dev,
  6374. struct ethtool_channels *channels)
  6375. {
  6376. struct bnx2 *bp = netdev_priv(dev);
  6377. u32 max_rx_rings = 1;
  6378. u32 max_tx_rings = 1;
  6379. if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
  6380. max_rx_rings = RX_MAX_RINGS;
  6381. max_tx_rings = TX_MAX_RINGS;
  6382. }
  6383. channels->max_rx = max_rx_rings;
  6384. channels->max_tx = max_tx_rings;
  6385. channels->max_other = 0;
  6386. channels->max_combined = 0;
  6387. channels->rx_count = bp->num_rx_rings;
  6388. channels->tx_count = bp->num_tx_rings;
  6389. channels->other_count = 0;
  6390. channels->combined_count = 0;
  6391. }
  6392. static int bnx2_set_channels(struct net_device *dev,
  6393. struct ethtool_channels *channels)
  6394. {
  6395. struct bnx2 *bp = netdev_priv(dev);
  6396. u32 max_rx_rings = 1;
  6397. u32 max_tx_rings = 1;
  6398. int rc = 0;
  6399. if ((bp->flags & BNX2_FLAG_MSIX_CAP) && !disable_msi) {
  6400. max_rx_rings = RX_MAX_RINGS;
  6401. max_tx_rings = TX_MAX_RINGS;
  6402. }
  6403. if (channels->rx_count > max_rx_rings ||
  6404. channels->tx_count > max_tx_rings)
  6405. return -EINVAL;
  6406. bp->num_req_rx_rings = channels->rx_count;
  6407. bp->num_req_tx_rings = channels->tx_count;
  6408. if (netif_running(dev))
  6409. rc = bnx2_change_ring_size(bp, bp->rx_ring_size,
  6410. bp->tx_ring_size, true);
  6411. return rc;
  6412. }
  6413. static const struct ethtool_ops bnx2_ethtool_ops = {
  6414. .get_settings = bnx2_get_settings,
  6415. .set_settings = bnx2_set_settings,
  6416. .get_drvinfo = bnx2_get_drvinfo,
  6417. .get_regs_len = bnx2_get_regs_len,
  6418. .get_regs = bnx2_get_regs,
  6419. .get_wol = bnx2_get_wol,
  6420. .set_wol = bnx2_set_wol,
  6421. .nway_reset = bnx2_nway_reset,
  6422. .get_link = bnx2_get_link,
  6423. .get_eeprom_len = bnx2_get_eeprom_len,
  6424. .get_eeprom = bnx2_get_eeprom,
  6425. .set_eeprom = bnx2_set_eeprom,
  6426. .get_coalesce = bnx2_get_coalesce,
  6427. .set_coalesce = bnx2_set_coalesce,
  6428. .get_ringparam = bnx2_get_ringparam,
  6429. .set_ringparam = bnx2_set_ringparam,
  6430. .get_pauseparam = bnx2_get_pauseparam,
  6431. .set_pauseparam = bnx2_set_pauseparam,
  6432. .self_test = bnx2_self_test,
  6433. .get_strings = bnx2_get_strings,
  6434. .set_phys_id = bnx2_set_phys_id,
  6435. .get_ethtool_stats = bnx2_get_ethtool_stats,
  6436. .get_sset_count = bnx2_get_sset_count,
  6437. .get_channels = bnx2_get_channels,
  6438. .set_channels = bnx2_set_channels,
  6439. };
  6440. /* Called with rtnl_lock */
  6441. static int
  6442. bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  6443. {
  6444. struct mii_ioctl_data *data = if_mii(ifr);
  6445. struct bnx2 *bp = netdev_priv(dev);
  6446. int err;
  6447. switch(cmd) {
  6448. case SIOCGMIIPHY:
  6449. data->phy_id = bp->phy_addr;
  6450. /* fallthru */
  6451. case SIOCGMIIREG: {
  6452. u32 mii_regval;
  6453. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  6454. return -EOPNOTSUPP;
  6455. if (!netif_running(dev))
  6456. return -EAGAIN;
  6457. spin_lock_bh(&bp->phy_lock);
  6458. err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
  6459. spin_unlock_bh(&bp->phy_lock);
  6460. data->val_out = mii_regval;
  6461. return err;
  6462. }
  6463. case SIOCSMIIREG:
  6464. if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
  6465. return -EOPNOTSUPP;
  6466. if (!netif_running(dev))
  6467. return -EAGAIN;
  6468. spin_lock_bh(&bp->phy_lock);
  6469. err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
  6470. spin_unlock_bh(&bp->phy_lock);
  6471. return err;
  6472. default:
  6473. /* do nothing */
  6474. break;
  6475. }
  6476. return -EOPNOTSUPP;
  6477. }
  6478. /* Called with rtnl_lock */
  6479. static int
  6480. bnx2_change_mac_addr(struct net_device *dev, void *p)
  6481. {
  6482. struct sockaddr *addr = p;
  6483. struct bnx2 *bp = netdev_priv(dev);
  6484. if (!is_valid_ether_addr(addr->sa_data))
  6485. return -EADDRNOTAVAIL;
  6486. memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
  6487. if (netif_running(dev))
  6488. bnx2_set_mac_addr(bp, bp->dev->dev_addr, 0);
  6489. return 0;
  6490. }
  6491. /* Called with rtnl_lock */
  6492. static int
  6493. bnx2_change_mtu(struct net_device *dev, int new_mtu)
  6494. {
  6495. struct bnx2 *bp = netdev_priv(dev);
  6496. if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
  6497. ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
  6498. return -EINVAL;
  6499. dev->mtu = new_mtu;
  6500. return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size,
  6501. false);
  6502. }
  6503. #ifdef CONFIG_NET_POLL_CONTROLLER
  6504. static void
  6505. poll_bnx2(struct net_device *dev)
  6506. {
  6507. struct bnx2 *bp = netdev_priv(dev);
  6508. int i;
  6509. for (i = 0; i < bp->irq_nvecs; i++) {
  6510. struct bnx2_irq *irq = &bp->irq_tbl[i];
  6511. disable_irq(irq->vector);
  6512. irq->handler(irq->vector, &bp->bnx2_napi[i]);
  6513. enable_irq(irq->vector);
  6514. }
  6515. }
  6516. #endif
  6517. static void
  6518. bnx2_get_5709_media(struct bnx2 *bp)
  6519. {
  6520. u32 val = BNX2_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL);
  6521. u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID;
  6522. u32 strap;
  6523. if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C)
  6524. return;
  6525. else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
  6526. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  6527. return;
  6528. }
  6529. if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE)
  6530. strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
  6531. else
  6532. strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
  6533. if (bp->func == 0) {
  6534. switch (strap) {
  6535. case 0x4:
  6536. case 0x5:
  6537. case 0x6:
  6538. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  6539. return;
  6540. }
  6541. } else {
  6542. switch (strap) {
  6543. case 0x1:
  6544. case 0x2:
  6545. case 0x4:
  6546. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  6547. return;
  6548. }
  6549. }
  6550. }
  6551. static void
  6552. bnx2_get_pci_speed(struct bnx2 *bp)
  6553. {
  6554. u32 reg;
  6555. reg = BNX2_RD(bp, BNX2_PCICFG_MISC_STATUS);
  6556. if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
  6557. u32 clkreg;
  6558. bp->flags |= BNX2_FLAG_PCIX;
  6559. clkreg = BNX2_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
  6560. clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
  6561. switch (clkreg) {
  6562. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
  6563. bp->bus_speed_mhz = 133;
  6564. break;
  6565. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
  6566. bp->bus_speed_mhz = 100;
  6567. break;
  6568. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
  6569. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
  6570. bp->bus_speed_mhz = 66;
  6571. break;
  6572. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
  6573. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
  6574. bp->bus_speed_mhz = 50;
  6575. break;
  6576. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
  6577. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
  6578. case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
  6579. bp->bus_speed_mhz = 33;
  6580. break;
  6581. }
  6582. }
  6583. else {
  6584. if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
  6585. bp->bus_speed_mhz = 66;
  6586. else
  6587. bp->bus_speed_mhz = 33;
  6588. }
  6589. if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
  6590. bp->flags |= BNX2_FLAG_PCI_32BIT;
  6591. }
  6592. static void
  6593. bnx2_read_vpd_fw_ver(struct bnx2 *bp)
  6594. {
  6595. int rc, i, j;
  6596. u8 *data;
  6597. unsigned int block_end, rosize, len;
  6598. #define BNX2_VPD_NVRAM_OFFSET 0x300
  6599. #define BNX2_VPD_LEN 128
  6600. #define BNX2_MAX_VER_SLEN 30
  6601. data = kmalloc(256, GFP_KERNEL);
  6602. if (!data)
  6603. return;
  6604. rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
  6605. BNX2_VPD_LEN);
  6606. if (rc)
  6607. goto vpd_done;
  6608. for (i = 0; i < BNX2_VPD_LEN; i += 4) {
  6609. data[i] = data[i + BNX2_VPD_LEN + 3];
  6610. data[i + 1] = data[i + BNX2_VPD_LEN + 2];
  6611. data[i + 2] = data[i + BNX2_VPD_LEN + 1];
  6612. data[i + 3] = data[i + BNX2_VPD_LEN];
  6613. }
  6614. i = pci_vpd_find_tag(data, 0, BNX2_VPD_LEN, PCI_VPD_LRDT_RO_DATA);
  6615. if (i < 0)
  6616. goto vpd_done;
  6617. rosize = pci_vpd_lrdt_size(&data[i]);
  6618. i += PCI_VPD_LRDT_TAG_SIZE;
  6619. block_end = i + rosize;
  6620. if (block_end > BNX2_VPD_LEN)
  6621. goto vpd_done;
  6622. j = pci_vpd_find_info_keyword(data, i, rosize,
  6623. PCI_VPD_RO_KEYWORD_MFR_ID);
  6624. if (j < 0)
  6625. goto vpd_done;
  6626. len = pci_vpd_info_field_size(&data[j]);
  6627. j += PCI_VPD_INFO_FLD_HDR_SIZE;
  6628. if (j + len > block_end || len != 4 ||
  6629. memcmp(&data[j], "1028", 4))
  6630. goto vpd_done;
  6631. j = pci_vpd_find_info_keyword(data, i, rosize,
  6632. PCI_VPD_RO_KEYWORD_VENDOR0);
  6633. if (j < 0)
  6634. goto vpd_done;
  6635. len = pci_vpd_info_field_size(&data[j]);
  6636. j += PCI_VPD_INFO_FLD_HDR_SIZE;
  6637. if (j + len > block_end || len > BNX2_MAX_VER_SLEN)
  6638. goto vpd_done;
  6639. memcpy(bp->fw_version, &data[j], len);
  6640. bp->fw_version[len] = ' ';
  6641. vpd_done:
  6642. kfree(data);
  6643. }
  6644. static int
  6645. bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
  6646. {
  6647. struct bnx2 *bp;
  6648. int rc, i, j;
  6649. u32 reg;
  6650. u64 dma_mask, persist_dma_mask;
  6651. int err;
  6652. SET_NETDEV_DEV(dev, &pdev->dev);
  6653. bp = netdev_priv(dev);
  6654. bp->flags = 0;
  6655. bp->phy_flags = 0;
  6656. bp->temp_stats_blk =
  6657. kzalloc(sizeof(struct statistics_block), GFP_KERNEL);
  6658. if (bp->temp_stats_blk == NULL) {
  6659. rc = -ENOMEM;
  6660. goto err_out;
  6661. }
  6662. /* enable device (incl. PCI PM wakeup), and bus-mastering */
  6663. rc = pci_enable_device(pdev);
  6664. if (rc) {
  6665. dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
  6666. goto err_out;
  6667. }
  6668. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  6669. dev_err(&pdev->dev,
  6670. "Cannot find PCI device base address, aborting\n");
  6671. rc = -ENODEV;
  6672. goto err_out_disable;
  6673. }
  6674. rc = pci_request_regions(pdev, DRV_MODULE_NAME);
  6675. if (rc) {
  6676. dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
  6677. goto err_out_disable;
  6678. }
  6679. pci_set_master(pdev);
  6680. bp->pm_cap = pdev->pm_cap;
  6681. if (bp->pm_cap == 0) {
  6682. dev_err(&pdev->dev,
  6683. "Cannot find power management capability, aborting\n");
  6684. rc = -EIO;
  6685. goto err_out_release;
  6686. }
  6687. bp->dev = dev;
  6688. bp->pdev = pdev;
  6689. spin_lock_init(&bp->phy_lock);
  6690. spin_lock_init(&bp->indirect_lock);
  6691. #ifdef BCM_CNIC
  6692. mutex_init(&bp->cnic_lock);
  6693. #endif
  6694. INIT_WORK(&bp->reset_task, bnx2_reset_task);
  6695. bp->regview = pci_iomap(pdev, 0, MB_GET_CID_ADDR(TX_TSS_CID +
  6696. TX_MAX_TSS_RINGS + 1));
  6697. if (!bp->regview) {
  6698. dev_err(&pdev->dev, "Cannot map register space, aborting\n");
  6699. rc = -ENOMEM;
  6700. goto err_out_release;
  6701. }
  6702. /* Configure byte swap and enable write to the reg_window registers.
  6703. * Rely on CPU to do target byte swapping on big endian systems
  6704. * The chip's target access swapping will not swap all accesses
  6705. */
  6706. BNX2_WR(bp, BNX2_PCICFG_MISC_CONFIG,
  6707. BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
  6708. BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
  6709. bp->chip_id = BNX2_RD(bp, BNX2_MISC_ID);
  6710. if (BNX2_CHIP(bp) == BNX2_CHIP_5709) {
  6711. if (!pci_is_pcie(pdev)) {
  6712. dev_err(&pdev->dev, "Not PCIE, aborting\n");
  6713. rc = -EIO;
  6714. goto err_out_unmap;
  6715. }
  6716. bp->flags |= BNX2_FLAG_PCIE;
  6717. if (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax)
  6718. bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
  6719. /* AER (Advanced Error Reporting) hooks */
  6720. err = pci_enable_pcie_error_reporting(pdev);
  6721. if (!err)
  6722. bp->flags |= BNX2_FLAG_AER_ENABLED;
  6723. } else {
  6724. bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
  6725. if (bp->pcix_cap == 0) {
  6726. dev_err(&pdev->dev,
  6727. "Cannot find PCIX capability, aborting\n");
  6728. rc = -EIO;
  6729. goto err_out_unmap;
  6730. }
  6731. bp->flags |= BNX2_FLAG_BROKEN_STATS;
  6732. }
  6733. if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
  6734. BNX2_CHIP_REV(bp) != BNX2_CHIP_REV_Ax) {
  6735. if (pdev->msix_cap)
  6736. bp->flags |= BNX2_FLAG_MSIX_CAP;
  6737. }
  6738. if (BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A0 &&
  6739. BNX2_CHIP_ID(bp) != BNX2_CHIP_ID_5706_A1) {
  6740. if (pdev->msi_cap)
  6741. bp->flags |= BNX2_FLAG_MSI_CAP;
  6742. }
  6743. /* 5708 cannot support DMA addresses > 40-bit. */
  6744. if (BNX2_CHIP(bp) == BNX2_CHIP_5708)
  6745. persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
  6746. else
  6747. persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
  6748. /* Configure DMA attributes. */
  6749. if (pci_set_dma_mask(pdev, dma_mask) == 0) {
  6750. dev->features |= NETIF_F_HIGHDMA;
  6751. rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask);
  6752. if (rc) {
  6753. dev_err(&pdev->dev,
  6754. "pci_set_consistent_dma_mask failed, aborting\n");
  6755. goto err_out_unmap;
  6756. }
  6757. } else if ((rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
  6758. dev_err(&pdev->dev, "System does not support DMA, aborting\n");
  6759. goto err_out_unmap;
  6760. }
  6761. if (!(bp->flags & BNX2_FLAG_PCIE))
  6762. bnx2_get_pci_speed(bp);
  6763. /* 5706A0 may falsely detect SERR and PERR. */
  6764. if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
  6765. reg = BNX2_RD(bp, PCI_COMMAND);
  6766. reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
  6767. BNX2_WR(bp, PCI_COMMAND, reg);
  6768. } else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) &&
  6769. !(bp->flags & BNX2_FLAG_PCIX)) {
  6770. dev_err(&pdev->dev,
  6771. "5706 A1 can only be used in a PCIX bus, aborting\n");
  6772. goto err_out_unmap;
  6773. }
  6774. bnx2_init_nvram(bp);
  6775. reg = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_SIGNATURE);
  6776. if (bnx2_reg_rd_ind(bp, BNX2_MCP_TOE_ID) & BNX2_MCP_TOE_ID_FUNCTION_ID)
  6777. bp->func = 1;
  6778. if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
  6779. BNX2_SHM_HDR_SIGNATURE_SIG) {
  6780. u32 off = bp->func << 2;
  6781. bp->shmem_base = bnx2_reg_rd_ind(bp, BNX2_SHM_HDR_ADDR_0 + off);
  6782. } else
  6783. bp->shmem_base = HOST_VIEW_SHMEM_BASE;
  6784. /* Get the permanent MAC address. First we need to make sure the
  6785. * firmware is actually running.
  6786. */
  6787. reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE);
  6788. if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
  6789. BNX2_DEV_INFO_SIGNATURE_MAGIC) {
  6790. dev_err(&pdev->dev, "Firmware not running, aborting\n");
  6791. rc = -ENODEV;
  6792. goto err_out_unmap;
  6793. }
  6794. bnx2_read_vpd_fw_ver(bp);
  6795. j = strlen(bp->fw_version);
  6796. reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
  6797. for (i = 0; i < 3 && j < 24; i++) {
  6798. u8 num, k, skip0;
  6799. if (i == 0) {
  6800. bp->fw_version[j++] = 'b';
  6801. bp->fw_version[j++] = 'c';
  6802. bp->fw_version[j++] = ' ';
  6803. }
  6804. num = (u8) (reg >> (24 - (i * 8)));
  6805. for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
  6806. if (num >= k || !skip0 || k == 1) {
  6807. bp->fw_version[j++] = (num / k) + '0';
  6808. skip0 = 0;
  6809. }
  6810. }
  6811. if (i != 2)
  6812. bp->fw_version[j++] = '.';
  6813. }
  6814. reg = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE);
  6815. if (reg & BNX2_PORT_FEATURE_WOL_ENABLED)
  6816. bp->wol = 1;
  6817. if (reg & BNX2_PORT_FEATURE_ASF_ENABLED) {
  6818. bp->flags |= BNX2_FLAG_ASF_ENABLE;
  6819. for (i = 0; i < 30; i++) {
  6820. reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
  6821. if (reg & BNX2_CONDITION_MFW_RUN_MASK)
  6822. break;
  6823. msleep(10);
  6824. }
  6825. }
  6826. reg = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION);
  6827. reg &= BNX2_CONDITION_MFW_RUN_MASK;
  6828. if (reg != BNX2_CONDITION_MFW_RUN_UNKNOWN &&
  6829. reg != BNX2_CONDITION_MFW_RUN_NONE) {
  6830. u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
  6831. if (j < 32)
  6832. bp->fw_version[j++] = ' ';
  6833. for (i = 0; i < 3 && j < 28; i++) {
  6834. reg = bnx2_reg_rd_ind(bp, addr + i * 4);
  6835. reg = be32_to_cpu(reg);
  6836. memcpy(&bp->fw_version[j], &reg, 4);
  6837. j += 4;
  6838. }
  6839. }
  6840. reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_UPPER);
  6841. bp->mac_addr[0] = (u8) (reg >> 8);
  6842. bp->mac_addr[1] = (u8) reg;
  6843. reg = bnx2_shmem_rd(bp, BNX2_PORT_HW_CFG_MAC_LOWER);
  6844. bp->mac_addr[2] = (u8) (reg >> 24);
  6845. bp->mac_addr[3] = (u8) (reg >> 16);
  6846. bp->mac_addr[4] = (u8) (reg >> 8);
  6847. bp->mac_addr[5] = (u8) reg;
  6848. bp->tx_ring_size = BNX2_MAX_TX_DESC_CNT;
  6849. bnx2_set_rx_ring_size(bp, 255);
  6850. bp->tx_quick_cons_trip_int = 2;
  6851. bp->tx_quick_cons_trip = 20;
  6852. bp->tx_ticks_int = 18;
  6853. bp->tx_ticks = 80;
  6854. bp->rx_quick_cons_trip_int = 2;
  6855. bp->rx_quick_cons_trip = 12;
  6856. bp->rx_ticks_int = 18;
  6857. bp->rx_ticks = 18;
  6858. bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
  6859. bp->current_interval = BNX2_TIMER_INTERVAL;
  6860. bp->phy_addr = 1;
  6861. /* allocate stats_blk */
  6862. rc = bnx2_alloc_stats_blk(dev);
  6863. if (rc)
  6864. goto err_out_unmap;
  6865. /* Disable WOL support if we are running on a SERDES chip. */
  6866. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  6867. bnx2_get_5709_media(bp);
  6868. else if (BNX2_CHIP_BOND(bp) & BNX2_CHIP_BOND_SERDES_BIT)
  6869. bp->phy_flags |= BNX2_PHY_FLAG_SERDES;
  6870. bp->phy_port = PORT_TP;
  6871. if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
  6872. bp->phy_port = PORT_FIBRE;
  6873. reg = bnx2_shmem_rd(bp, BNX2_SHARED_HW_CFG_CONFIG);
  6874. if (!(reg & BNX2_SHARED_HW_CFG_GIG_LINK_ON_VAUX)) {
  6875. bp->flags |= BNX2_FLAG_NO_WOL;
  6876. bp->wol = 0;
  6877. }
  6878. if (BNX2_CHIP(bp) == BNX2_CHIP_5706) {
  6879. /* Don't do parallel detect on this board because of
  6880. * some board problems. The link will not go down
  6881. * if we do parallel detect.
  6882. */
  6883. if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
  6884. pdev->subsystem_device == 0x310c)
  6885. bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
  6886. } else {
  6887. bp->phy_addr = 2;
  6888. if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
  6889. bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
  6890. }
  6891. } else if (BNX2_CHIP(bp) == BNX2_CHIP_5706 ||
  6892. BNX2_CHIP(bp) == BNX2_CHIP_5708)
  6893. bp->phy_flags |= BNX2_PHY_FLAG_CRC_FIX;
  6894. else if (BNX2_CHIP(bp) == BNX2_CHIP_5709 &&
  6895. (BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Ax ||
  6896. BNX2_CHIP_REV(bp) == BNX2_CHIP_REV_Bx))
  6897. bp->phy_flags |= BNX2_PHY_FLAG_DIS_EARLY_DAC;
  6898. bnx2_init_fw_cap(bp);
  6899. if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_A0) ||
  6900. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B0) ||
  6901. (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5708_B1) ||
  6902. !(BNX2_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
  6903. bp->flags |= BNX2_FLAG_NO_WOL;
  6904. bp->wol = 0;
  6905. }
  6906. if (bp->flags & BNX2_FLAG_NO_WOL)
  6907. device_set_wakeup_capable(&bp->pdev->dev, false);
  6908. else
  6909. device_set_wakeup_enable(&bp->pdev->dev, bp->wol);
  6910. if (BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A0) {
  6911. bp->tx_quick_cons_trip_int =
  6912. bp->tx_quick_cons_trip;
  6913. bp->tx_ticks_int = bp->tx_ticks;
  6914. bp->rx_quick_cons_trip_int =
  6915. bp->rx_quick_cons_trip;
  6916. bp->rx_ticks_int = bp->rx_ticks;
  6917. bp->comp_prod_trip_int = bp->comp_prod_trip;
  6918. bp->com_ticks_int = bp->com_ticks;
  6919. bp->cmd_ticks_int = bp->cmd_ticks;
  6920. }
  6921. /* Disable MSI on 5706 if AMD 8132 bridge is found.
  6922. *
  6923. * MSI is defined to be 32-bit write. The 5706 does 64-bit MSI writes
  6924. * with byte enables disabled on the unused 32-bit word. This is legal
  6925. * but causes problems on the AMD 8132 which will eventually stop
  6926. * responding after a while.
  6927. *
  6928. * AMD believes this incompatibility is unique to the 5706, and
  6929. * prefers to locally disable MSI rather than globally disabling it.
  6930. */
  6931. if (BNX2_CHIP(bp) == BNX2_CHIP_5706 && disable_msi == 0) {
  6932. struct pci_dev *amd_8132 = NULL;
  6933. while ((amd_8132 = pci_get_device(PCI_VENDOR_ID_AMD,
  6934. PCI_DEVICE_ID_AMD_8132_BRIDGE,
  6935. amd_8132))) {
  6936. if (amd_8132->revision >= 0x10 &&
  6937. amd_8132->revision <= 0x13) {
  6938. disable_msi = 1;
  6939. pci_dev_put(amd_8132);
  6940. break;
  6941. }
  6942. }
  6943. }
  6944. bnx2_set_default_link(bp);
  6945. bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
  6946. init_timer(&bp->timer);
  6947. bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL);
  6948. bp->timer.data = (unsigned long) bp;
  6949. bp->timer.function = bnx2_timer;
  6950. #ifdef BCM_CNIC
  6951. if (bnx2_shmem_rd(bp, BNX2_ISCSI_INITIATOR) & BNX2_ISCSI_INITIATOR_EN)
  6952. bp->cnic_eth_dev.max_iscsi_conn =
  6953. (bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) &
  6954. BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT;
  6955. bp->cnic_probe = bnx2_cnic_probe;
  6956. #endif
  6957. pci_save_state(pdev);
  6958. return 0;
  6959. err_out_unmap:
  6960. if (bp->flags & BNX2_FLAG_AER_ENABLED) {
  6961. pci_disable_pcie_error_reporting(pdev);
  6962. bp->flags &= ~BNX2_FLAG_AER_ENABLED;
  6963. }
  6964. pci_iounmap(pdev, bp->regview);
  6965. bp->regview = NULL;
  6966. err_out_release:
  6967. pci_release_regions(pdev);
  6968. err_out_disable:
  6969. pci_disable_device(pdev);
  6970. err_out:
  6971. kfree(bp->temp_stats_blk);
  6972. return rc;
  6973. }
  6974. static char *
  6975. bnx2_bus_string(struct bnx2 *bp, char *str)
  6976. {
  6977. char *s = str;
  6978. if (bp->flags & BNX2_FLAG_PCIE) {
  6979. s += sprintf(s, "PCI Express");
  6980. } else {
  6981. s += sprintf(s, "PCI");
  6982. if (bp->flags & BNX2_FLAG_PCIX)
  6983. s += sprintf(s, "-X");
  6984. if (bp->flags & BNX2_FLAG_PCI_32BIT)
  6985. s += sprintf(s, " 32-bit");
  6986. else
  6987. s += sprintf(s, " 64-bit");
  6988. s += sprintf(s, " %dMHz", bp->bus_speed_mhz);
  6989. }
  6990. return str;
  6991. }
  6992. static void
  6993. bnx2_del_napi(struct bnx2 *bp)
  6994. {
  6995. int i;
  6996. for (i = 0; i < bp->irq_nvecs; i++)
  6997. netif_napi_del(&bp->bnx2_napi[i].napi);
  6998. }
  6999. static void
  7000. bnx2_init_napi(struct bnx2 *bp)
  7001. {
  7002. int i;
  7003. for (i = 0; i < bp->irq_nvecs; i++) {
  7004. struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
  7005. int (*poll)(struct napi_struct *, int);
  7006. if (i == 0)
  7007. poll = bnx2_poll;
  7008. else
  7009. poll = bnx2_poll_msix;
  7010. netif_napi_add(bp->dev, &bp->bnx2_napi[i].napi, poll, 64);
  7011. bnapi->bp = bp;
  7012. }
  7013. }
  7014. static const struct net_device_ops bnx2_netdev_ops = {
  7015. .ndo_open = bnx2_open,
  7016. .ndo_start_xmit = bnx2_start_xmit,
  7017. .ndo_stop = bnx2_close,
  7018. .ndo_get_stats64 = bnx2_get_stats64,
  7019. .ndo_set_rx_mode = bnx2_set_rx_mode,
  7020. .ndo_do_ioctl = bnx2_ioctl,
  7021. .ndo_validate_addr = eth_validate_addr,
  7022. .ndo_set_mac_address = bnx2_change_mac_addr,
  7023. .ndo_change_mtu = bnx2_change_mtu,
  7024. .ndo_set_features = bnx2_set_features,
  7025. .ndo_tx_timeout = bnx2_tx_timeout,
  7026. #ifdef CONFIG_NET_POLL_CONTROLLER
  7027. .ndo_poll_controller = poll_bnx2,
  7028. #endif
  7029. };
  7030. static int
  7031. bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
  7032. {
  7033. static int version_printed = 0;
  7034. struct net_device *dev;
  7035. struct bnx2 *bp;
  7036. int rc;
  7037. char str[40];
  7038. if (version_printed++ == 0)
  7039. pr_info("%s", version);
  7040. /* dev zeroed in init_etherdev */
  7041. dev = alloc_etherdev_mq(sizeof(*bp), TX_MAX_RINGS);
  7042. if (!dev)
  7043. return -ENOMEM;
  7044. rc = bnx2_init_board(pdev, dev);
  7045. if (rc < 0)
  7046. goto err_free;
  7047. dev->netdev_ops = &bnx2_netdev_ops;
  7048. dev->watchdog_timeo = TX_TIMEOUT;
  7049. dev->ethtool_ops = &bnx2_ethtool_ops;
  7050. bp = netdev_priv(dev);
  7051. pci_set_drvdata(pdev, dev);
  7052. /*
  7053. * In-flight DMA from 1st kernel could continue going in kdump kernel.
  7054. * New io-page table has been created before bnx2 does reset at open stage.
  7055. * We have to wait for the in-flight DMA to complete to avoid it look up
  7056. * into the newly created io-page table.
  7057. */
  7058. if (is_kdump_kernel())
  7059. bnx2_wait_dma_complete(bp);
  7060. memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN);
  7061. dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
  7062. NETIF_F_TSO | NETIF_F_TSO_ECN |
  7063. NETIF_F_RXHASH | NETIF_F_RXCSUM;
  7064. if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
  7065. dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
  7066. dev->vlan_features = dev->hw_features;
  7067. dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
  7068. dev->features |= dev->hw_features;
  7069. dev->priv_flags |= IFF_UNICAST_FLT;
  7070. if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
  7071. dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
  7072. if ((rc = register_netdev(dev))) {
  7073. dev_err(&pdev->dev, "Cannot register net device\n");
  7074. goto error;
  7075. }
  7076. netdev_info(dev, "%s (%c%d) %s found at mem %lx, IRQ %d, "
  7077. "node addr %pM\n", board_info[ent->driver_data].name,
  7078. ((BNX2_CHIP_ID(bp) & 0xf000) >> 12) + 'A',
  7079. ((BNX2_CHIP_ID(bp) & 0x0ff0) >> 4),
  7080. bnx2_bus_string(bp, str), (long)pci_resource_start(pdev, 0),
  7081. pdev->irq, dev->dev_addr);
  7082. return 0;
  7083. error:
  7084. pci_iounmap(pdev, bp->regview);
  7085. pci_release_regions(pdev);
  7086. pci_disable_device(pdev);
  7087. err_free:
  7088. bnx2_free_stats_blk(dev);
  7089. free_netdev(dev);
  7090. return rc;
  7091. }
  7092. static void
  7093. bnx2_remove_one(struct pci_dev *pdev)
  7094. {
  7095. struct net_device *dev = pci_get_drvdata(pdev);
  7096. struct bnx2 *bp = netdev_priv(dev);
  7097. unregister_netdev(dev);
  7098. del_timer_sync(&bp->timer);
  7099. cancel_work_sync(&bp->reset_task);
  7100. pci_iounmap(bp->pdev, bp->regview);
  7101. bnx2_free_stats_blk(dev);
  7102. kfree(bp->temp_stats_blk);
  7103. if (bp->flags & BNX2_FLAG_AER_ENABLED) {
  7104. pci_disable_pcie_error_reporting(pdev);
  7105. bp->flags &= ~BNX2_FLAG_AER_ENABLED;
  7106. }
  7107. bnx2_release_firmware(bp);
  7108. free_netdev(dev);
  7109. pci_release_regions(pdev);
  7110. pci_disable_device(pdev);
  7111. }
  7112. #ifdef CONFIG_PM_SLEEP
  7113. static int
  7114. bnx2_suspend(struct device *device)
  7115. {
  7116. struct pci_dev *pdev = to_pci_dev(device);
  7117. struct net_device *dev = pci_get_drvdata(pdev);
  7118. struct bnx2 *bp = netdev_priv(dev);
  7119. if (netif_running(dev)) {
  7120. cancel_work_sync(&bp->reset_task);
  7121. bnx2_netif_stop(bp, true);
  7122. netif_device_detach(dev);
  7123. del_timer_sync(&bp->timer);
  7124. bnx2_shutdown_chip(bp);
  7125. __bnx2_free_irq(bp);
  7126. bnx2_free_skbs(bp);
  7127. }
  7128. bnx2_setup_wol(bp);
  7129. return 0;
  7130. }
  7131. static int
  7132. bnx2_resume(struct device *device)
  7133. {
  7134. struct pci_dev *pdev = to_pci_dev(device);
  7135. struct net_device *dev = pci_get_drvdata(pdev);
  7136. struct bnx2 *bp = netdev_priv(dev);
  7137. if (!netif_running(dev))
  7138. return 0;
  7139. bnx2_set_power_state(bp, PCI_D0);
  7140. netif_device_attach(dev);
  7141. bnx2_request_irq(bp);
  7142. bnx2_init_nic(bp, 1);
  7143. bnx2_netif_start(bp, true);
  7144. return 0;
  7145. }
  7146. static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume);
  7147. #define BNX2_PM_OPS (&bnx2_pm_ops)
  7148. #else
  7149. #define BNX2_PM_OPS NULL
  7150. #endif /* CONFIG_PM_SLEEP */
  7151. /**
  7152. * bnx2_io_error_detected - called when PCI error is detected
  7153. * @pdev: Pointer to PCI device
  7154. * @state: The current pci connection state
  7155. *
  7156. * This function is called after a PCI bus error affecting
  7157. * this device has been detected.
  7158. */
  7159. static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
  7160. pci_channel_state_t state)
  7161. {
  7162. struct net_device *dev = pci_get_drvdata(pdev);
  7163. struct bnx2 *bp = netdev_priv(dev);
  7164. rtnl_lock();
  7165. netif_device_detach(dev);
  7166. if (state == pci_channel_io_perm_failure) {
  7167. rtnl_unlock();
  7168. return PCI_ERS_RESULT_DISCONNECT;
  7169. }
  7170. if (netif_running(dev)) {
  7171. bnx2_netif_stop(bp, true);
  7172. del_timer_sync(&bp->timer);
  7173. bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
  7174. }
  7175. pci_disable_device(pdev);
  7176. rtnl_unlock();
  7177. /* Request a slot slot reset. */
  7178. return PCI_ERS_RESULT_NEED_RESET;
  7179. }
  7180. /**
  7181. * bnx2_io_slot_reset - called after the pci bus has been reset.
  7182. * @pdev: Pointer to PCI device
  7183. *
  7184. * Restart the card from scratch, as if from a cold-boot.
  7185. */
  7186. static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
  7187. {
  7188. struct net_device *dev = pci_get_drvdata(pdev);
  7189. struct bnx2 *bp = netdev_priv(dev);
  7190. pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
  7191. int err = 0;
  7192. rtnl_lock();
  7193. if (pci_enable_device(pdev)) {
  7194. dev_err(&pdev->dev,
  7195. "Cannot re-enable PCI device after reset\n");
  7196. } else {
  7197. pci_set_master(pdev);
  7198. pci_restore_state(pdev);
  7199. pci_save_state(pdev);
  7200. if (netif_running(dev))
  7201. err = bnx2_init_nic(bp, 1);
  7202. if (!err)
  7203. result = PCI_ERS_RESULT_RECOVERED;
  7204. }
  7205. if (result != PCI_ERS_RESULT_RECOVERED && netif_running(dev)) {
  7206. bnx2_napi_enable(bp);
  7207. dev_close(dev);
  7208. }
  7209. rtnl_unlock();
  7210. if (!(bp->flags & BNX2_FLAG_AER_ENABLED))
  7211. return result;
  7212. err = pci_cleanup_aer_uncorrect_error_status(pdev);
  7213. if (err) {
  7214. dev_err(&pdev->dev,
  7215. "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
  7216. err); /* non-fatal, continue */
  7217. }
  7218. return result;
  7219. }
  7220. /**
  7221. * bnx2_io_resume - called when traffic can start flowing again.
  7222. * @pdev: Pointer to PCI device
  7223. *
  7224. * This callback is called when the error recovery driver tells us that
  7225. * its OK to resume normal operation.
  7226. */
  7227. static void bnx2_io_resume(struct pci_dev *pdev)
  7228. {
  7229. struct net_device *dev = pci_get_drvdata(pdev);
  7230. struct bnx2 *bp = netdev_priv(dev);
  7231. rtnl_lock();
  7232. if (netif_running(dev))
  7233. bnx2_netif_start(bp, true);
  7234. netif_device_attach(dev);
  7235. rtnl_unlock();
  7236. }
  7237. static void bnx2_shutdown(struct pci_dev *pdev)
  7238. {
  7239. struct net_device *dev = pci_get_drvdata(pdev);
  7240. struct bnx2 *bp;
  7241. if (!dev)
  7242. return;
  7243. bp = netdev_priv(dev);
  7244. if (!bp)
  7245. return;
  7246. rtnl_lock();
  7247. if (netif_running(dev))
  7248. dev_close(bp->dev);
  7249. if (system_state == SYSTEM_POWER_OFF)
  7250. bnx2_set_power_state(bp, PCI_D3hot);
  7251. rtnl_unlock();
  7252. }
  7253. static const struct pci_error_handlers bnx2_err_handler = {
  7254. .error_detected = bnx2_io_error_detected,
  7255. .slot_reset = bnx2_io_slot_reset,
  7256. .resume = bnx2_io_resume,
  7257. };
  7258. static struct pci_driver bnx2_pci_driver = {
  7259. .name = DRV_MODULE_NAME,
  7260. .id_table = bnx2_pci_tbl,
  7261. .probe = bnx2_init_one,
  7262. .remove = bnx2_remove_one,
  7263. .driver.pm = BNX2_PM_OPS,
  7264. .err_handler = &bnx2_err_handler,
  7265. .shutdown = bnx2_shutdown,
  7266. };
  7267. module_pci_driver(bnx2_pci_driver);