bnx2x_ethtool.c 68 KB

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  1. /* bnx2x_ethtool.c: Broadcom Everest network driver.
  2. *
  3. * Copyright (c) 2007-2012 Broadcom Corporation
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation.
  8. *
  9. * Maintained by: Eilon Greenstein <eilong@broadcom.com>
  10. * Written by: Eliezer Tamir
  11. * Based on code from Michael Chan's bnx2 driver
  12. * UDP CSUM errata workaround by Arik Gendelman
  13. * Slowpath and fastpath rework by Vladislav Zolotarov
  14. * Statistics and Link management by Yitchak Gertner
  15. *
  16. */
  17. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  18. #include <linux/ethtool.h>
  19. #include <linux/netdevice.h>
  20. #include <linux/types.h>
  21. #include <linux/sched.h>
  22. #include <linux/crc32.h>
  23. #include "bnx2x.h"
  24. #include "bnx2x_cmn.h"
  25. #include "bnx2x_dump.h"
  26. #include "bnx2x_init.h"
  27. /* Note: in the format strings below %s is replaced by the queue-name which is
  28. * either its index or 'fcoe' for the fcoe queue. Make sure the format string
  29. * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
  30. */
  31. #define MAX_QUEUE_NAME_LEN 4
  32. static const struct {
  33. long offset;
  34. int size;
  35. char string[ETH_GSTRING_LEN];
  36. } bnx2x_q_stats_arr[] = {
  37. /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
  38. { Q_STATS_OFFSET32(total_unicast_packets_received_hi),
  39. 8, "[%s]: rx_ucast_packets" },
  40. { Q_STATS_OFFSET32(total_multicast_packets_received_hi),
  41. 8, "[%s]: rx_mcast_packets" },
  42. { Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
  43. 8, "[%s]: rx_bcast_packets" },
  44. { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%s]: rx_discards" },
  45. { Q_STATS_OFFSET32(rx_err_discard_pkt),
  46. 4, "[%s]: rx_phy_ip_err_discards"},
  47. { Q_STATS_OFFSET32(rx_skb_alloc_failed),
  48. 4, "[%s]: rx_skb_alloc_discard" },
  49. { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
  50. { Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" },
  51. /* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
  52. 8, "[%s]: tx_ucast_packets" },
  53. { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
  54. 8, "[%s]: tx_mcast_packets" },
  55. { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
  56. 8, "[%s]: tx_bcast_packets" },
  57. { Q_STATS_OFFSET32(total_tpa_aggregations_hi),
  58. 8, "[%s]: tpa_aggregations" },
  59. { Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi),
  60. 8, "[%s]: tpa_aggregated_frames"},
  61. { Q_STATS_OFFSET32(total_tpa_bytes_hi), 8, "[%s]: tpa_bytes"}
  62. };
  63. #define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)
  64. static const struct {
  65. long offset;
  66. int size;
  67. u32 flags;
  68. #define STATS_FLAGS_PORT 1
  69. #define STATS_FLAGS_FUNC 2
  70. #define STATS_FLAGS_BOTH (STATS_FLAGS_FUNC | STATS_FLAGS_PORT)
  71. char string[ETH_GSTRING_LEN];
  72. } bnx2x_stats_arr[] = {
  73. /* 1 */ { STATS_OFFSET32(total_bytes_received_hi),
  74. 8, STATS_FLAGS_BOTH, "rx_bytes" },
  75. { STATS_OFFSET32(error_bytes_received_hi),
  76. 8, STATS_FLAGS_BOTH, "rx_error_bytes" },
  77. { STATS_OFFSET32(total_unicast_packets_received_hi),
  78. 8, STATS_FLAGS_BOTH, "rx_ucast_packets" },
  79. { STATS_OFFSET32(total_multicast_packets_received_hi),
  80. 8, STATS_FLAGS_BOTH, "rx_mcast_packets" },
  81. { STATS_OFFSET32(total_broadcast_packets_received_hi),
  82. 8, STATS_FLAGS_BOTH, "rx_bcast_packets" },
  83. { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
  84. 8, STATS_FLAGS_PORT, "rx_crc_errors" },
  85. { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
  86. 8, STATS_FLAGS_PORT, "rx_align_errors" },
  87. { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
  88. 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
  89. { STATS_OFFSET32(etherstatsoverrsizepkts_hi),
  90. 8, STATS_FLAGS_PORT, "rx_oversize_packets" },
  91. /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
  92. 8, STATS_FLAGS_PORT, "rx_fragments" },
  93. { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
  94. 8, STATS_FLAGS_PORT, "rx_jabbers" },
  95. { STATS_OFFSET32(no_buff_discard_hi),
  96. 8, STATS_FLAGS_BOTH, "rx_discards" },
  97. { STATS_OFFSET32(mac_filter_discard),
  98. 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
  99. { STATS_OFFSET32(mf_tag_discard),
  100. 4, STATS_FLAGS_PORT, "rx_mf_tag_discard" },
  101. { STATS_OFFSET32(pfc_frames_received_hi),
  102. 8, STATS_FLAGS_PORT, "pfc_frames_received" },
  103. { STATS_OFFSET32(pfc_frames_sent_hi),
  104. 8, STATS_FLAGS_PORT, "pfc_frames_sent" },
  105. { STATS_OFFSET32(brb_drop_hi),
  106. 8, STATS_FLAGS_PORT, "rx_brb_discard" },
  107. { STATS_OFFSET32(brb_truncate_hi),
  108. 8, STATS_FLAGS_PORT, "rx_brb_truncate" },
  109. { STATS_OFFSET32(pause_frames_received_hi),
  110. 8, STATS_FLAGS_PORT, "rx_pause_frames" },
  111. { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
  112. 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
  113. { STATS_OFFSET32(nig_timer_max),
  114. 4, STATS_FLAGS_PORT, "rx_constant_pause_events" },
  115. /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
  116. 4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"},
  117. { STATS_OFFSET32(rx_skb_alloc_failed),
  118. 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" },
  119. { STATS_OFFSET32(hw_csum_err),
  120. 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" },
  121. { STATS_OFFSET32(total_bytes_transmitted_hi),
  122. 8, STATS_FLAGS_BOTH, "tx_bytes" },
  123. { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
  124. 8, STATS_FLAGS_PORT, "tx_error_bytes" },
  125. { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
  126. 8, STATS_FLAGS_BOTH, "tx_ucast_packets" },
  127. { STATS_OFFSET32(total_multicast_packets_transmitted_hi),
  128. 8, STATS_FLAGS_BOTH, "tx_mcast_packets" },
  129. { STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
  130. 8, STATS_FLAGS_BOTH, "tx_bcast_packets" },
  131. { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
  132. 8, STATS_FLAGS_PORT, "tx_mac_errors" },
  133. { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
  134. 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
  135. /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
  136. 8, STATS_FLAGS_PORT, "tx_single_collisions" },
  137. { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
  138. 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
  139. { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
  140. 8, STATS_FLAGS_PORT, "tx_deferred" },
  141. { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
  142. 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
  143. { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
  144. 8, STATS_FLAGS_PORT, "tx_late_collisions" },
  145. { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
  146. 8, STATS_FLAGS_PORT, "tx_total_collisions" },
  147. { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
  148. 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
  149. { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
  150. 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
  151. { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
  152. 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
  153. { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
  154. 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
  155. /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
  156. 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
  157. { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
  158. 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
  159. { STATS_OFFSET32(etherstatspktsover1522octets_hi),
  160. 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
  161. { STATS_OFFSET32(pause_frames_sent_hi),
  162. 8, STATS_FLAGS_PORT, "tx_pause_frames" },
  163. { STATS_OFFSET32(total_tpa_aggregations_hi),
  164. 8, STATS_FLAGS_FUNC, "tpa_aggregations" },
  165. { STATS_OFFSET32(total_tpa_aggregated_frames_hi),
  166. 8, STATS_FLAGS_FUNC, "tpa_aggregated_frames"},
  167. { STATS_OFFSET32(total_tpa_bytes_hi),
  168. 8, STATS_FLAGS_FUNC, "tpa_bytes"},
  169. { STATS_OFFSET32(recoverable_error),
  170. 4, STATS_FLAGS_FUNC, "recoverable_errors" },
  171. { STATS_OFFSET32(unrecoverable_error),
  172. 4, STATS_FLAGS_FUNC, "unrecoverable_errors" },
  173. };
  174. #define BNX2X_NUM_STATS ARRAY_SIZE(bnx2x_stats_arr)
  175. static int bnx2x_get_port_type(struct bnx2x *bp)
  176. {
  177. int port_type;
  178. u32 phy_idx = bnx2x_get_cur_phy_idx(bp);
  179. switch (bp->link_params.phy[phy_idx].media_type) {
  180. case ETH_PHY_SFP_FIBER:
  181. case ETH_PHY_XFP_FIBER:
  182. case ETH_PHY_KR:
  183. case ETH_PHY_CX4:
  184. port_type = PORT_FIBRE;
  185. break;
  186. case ETH_PHY_DA_TWINAX:
  187. port_type = PORT_DA;
  188. break;
  189. case ETH_PHY_BASE_T:
  190. port_type = PORT_TP;
  191. break;
  192. case ETH_PHY_NOT_PRESENT:
  193. port_type = PORT_NONE;
  194. break;
  195. case ETH_PHY_UNSPECIFIED:
  196. default:
  197. port_type = PORT_OTHER;
  198. break;
  199. }
  200. return port_type;
  201. }
  202. static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  203. {
  204. struct bnx2x *bp = netdev_priv(dev);
  205. int cfg_idx = bnx2x_get_link_cfg_idx(bp);
  206. /* Dual Media boards present all available port types */
  207. cmd->supported = bp->port.supported[cfg_idx] |
  208. (bp->port.supported[cfg_idx ^ 1] &
  209. (SUPPORTED_TP | SUPPORTED_FIBRE));
  210. cmd->advertising = bp->port.advertising[cfg_idx];
  211. if ((bp->state == BNX2X_STATE_OPEN) && (bp->link_vars.link_up)) {
  212. if (!(bp->flags & MF_FUNC_DIS)) {
  213. ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed);
  214. cmd->duplex = bp->link_vars.duplex;
  215. } else {
  216. ethtool_cmd_speed_set(
  217. cmd, bp->link_params.req_line_speed[cfg_idx]);
  218. cmd->duplex = bp->link_params.req_duplex[cfg_idx];
  219. }
  220. if (IS_MF(bp) && !BP_NOMCP(bp))
  221. ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp));
  222. } else {
  223. cmd->duplex = DUPLEX_UNKNOWN;
  224. ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
  225. }
  226. cmd->port = bnx2x_get_port_type(bp);
  227. cmd->phy_address = bp->mdio.prtad;
  228. cmd->transceiver = XCVR_INTERNAL;
  229. if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
  230. cmd->autoneg = AUTONEG_ENABLE;
  231. else
  232. cmd->autoneg = AUTONEG_DISABLE;
  233. /* Publish LP advertised speeds and FC */
  234. if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  235. u32 status = bp->link_vars.link_status;
  236. cmd->lp_advertising |= ADVERTISED_Autoneg;
  237. if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE)
  238. cmd->lp_advertising |= ADVERTISED_Pause;
  239. if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  240. cmd->lp_advertising |= ADVERTISED_Asym_Pause;
  241. if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE)
  242. cmd->lp_advertising |= ADVERTISED_10baseT_Half;
  243. if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE)
  244. cmd->lp_advertising |= ADVERTISED_10baseT_Full;
  245. if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE)
  246. cmd->lp_advertising |= ADVERTISED_100baseT_Half;
  247. if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE)
  248. cmd->lp_advertising |= ADVERTISED_100baseT_Full;
  249. if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE)
  250. cmd->lp_advertising |= ADVERTISED_1000baseT_Half;
  251. if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE)
  252. cmd->lp_advertising |= ADVERTISED_1000baseT_Full;
  253. if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE)
  254. cmd->lp_advertising |= ADVERTISED_2500baseX_Full;
  255. if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE)
  256. cmd->lp_advertising |= ADVERTISED_10000baseT_Full;
  257. }
  258. cmd->maxtxpkt = 0;
  259. cmd->maxrxpkt = 0;
  260. DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
  261. " supported 0x%x advertising 0x%x speed %u\n"
  262. " duplex %d port %d phy_address %d transceiver %d\n"
  263. " autoneg %d maxtxpkt %d maxrxpkt %d\n",
  264. cmd->cmd, cmd->supported, cmd->advertising,
  265. ethtool_cmd_speed(cmd),
  266. cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
  267. cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
  268. return 0;
  269. }
  270. static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  271. {
  272. struct bnx2x *bp = netdev_priv(dev);
  273. u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
  274. u32 speed;
  275. if (IS_MF_SD(bp))
  276. return 0;
  277. DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
  278. " supported 0x%x advertising 0x%x speed %u\n"
  279. " duplex %d port %d phy_address %d transceiver %d\n"
  280. " autoneg %d maxtxpkt %d maxrxpkt %d\n",
  281. cmd->cmd, cmd->supported, cmd->advertising,
  282. ethtool_cmd_speed(cmd),
  283. cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
  284. cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
  285. speed = ethtool_cmd_speed(cmd);
  286. /* If recieved a request for an unknown duplex, assume full*/
  287. if (cmd->duplex == DUPLEX_UNKNOWN)
  288. cmd->duplex = DUPLEX_FULL;
  289. if (IS_MF_SI(bp)) {
  290. u32 part;
  291. u32 line_speed = bp->link_vars.line_speed;
  292. /* use 10G if no link detected */
  293. if (!line_speed)
  294. line_speed = 10000;
  295. if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
  296. DP(BNX2X_MSG_ETHTOOL,
  297. "To set speed BC %X or higher is required, please upgrade BC\n",
  298. REQ_BC_VER_4_SET_MF_BW);
  299. return -EINVAL;
  300. }
  301. part = (speed * 100) / line_speed;
  302. if (line_speed < speed || !part) {
  303. DP(BNX2X_MSG_ETHTOOL,
  304. "Speed setting should be in a range from 1%% to 100%% of actual line speed\n");
  305. return -EINVAL;
  306. }
  307. if (bp->state != BNX2X_STATE_OPEN)
  308. /* store value for following "load" */
  309. bp->pending_max = part;
  310. else
  311. bnx2x_update_max_mf_config(bp, part);
  312. return 0;
  313. }
  314. cfg_idx = bnx2x_get_link_cfg_idx(bp);
  315. old_multi_phy_config = bp->link_params.multi_phy_config;
  316. switch (cmd->port) {
  317. case PORT_TP:
  318. if (bp->port.supported[cfg_idx] & SUPPORTED_TP)
  319. break; /* no port change */
  320. if (!(bp->port.supported[0] & SUPPORTED_TP ||
  321. bp->port.supported[1] & SUPPORTED_TP)) {
  322. DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
  323. return -EINVAL;
  324. }
  325. bp->link_params.multi_phy_config &=
  326. ~PORT_HW_CFG_PHY_SELECTION_MASK;
  327. if (bp->link_params.multi_phy_config &
  328. PORT_HW_CFG_PHY_SWAPPED_ENABLED)
  329. bp->link_params.multi_phy_config |=
  330. PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  331. else
  332. bp->link_params.multi_phy_config |=
  333. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  334. break;
  335. case PORT_FIBRE:
  336. case PORT_DA:
  337. if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE)
  338. break; /* no port change */
  339. if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
  340. bp->port.supported[1] & SUPPORTED_FIBRE)) {
  341. DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
  342. return -EINVAL;
  343. }
  344. bp->link_params.multi_phy_config &=
  345. ~PORT_HW_CFG_PHY_SELECTION_MASK;
  346. if (bp->link_params.multi_phy_config &
  347. PORT_HW_CFG_PHY_SWAPPED_ENABLED)
  348. bp->link_params.multi_phy_config |=
  349. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  350. else
  351. bp->link_params.multi_phy_config |=
  352. PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  353. break;
  354. default:
  355. DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
  356. return -EINVAL;
  357. }
  358. /* Save new config in case command complete successully */
  359. new_multi_phy_config = bp->link_params.multi_phy_config;
  360. /* Get the new cfg_idx */
  361. cfg_idx = bnx2x_get_link_cfg_idx(bp);
  362. /* Restore old config in case command failed */
  363. bp->link_params.multi_phy_config = old_multi_phy_config;
  364. DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx);
  365. if (cmd->autoneg == AUTONEG_ENABLE) {
  366. u32 an_supported_speed = bp->port.supported[cfg_idx];
  367. if (bp->link_params.phy[EXT_PHY1].type ==
  368. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  369. an_supported_speed |= (SUPPORTED_100baseT_Half |
  370. SUPPORTED_100baseT_Full);
  371. if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
  372. DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n");
  373. return -EINVAL;
  374. }
  375. /* advertise the requested speed and duplex if supported */
  376. if (cmd->advertising & ~an_supported_speed) {
  377. DP(BNX2X_MSG_ETHTOOL,
  378. "Advertisement parameters are not supported\n");
  379. return -EINVAL;
  380. }
  381. bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
  382. bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
  383. bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
  384. cmd->advertising);
  385. if (cmd->advertising) {
  386. bp->link_params.speed_cap_mask[cfg_idx] = 0;
  387. if (cmd->advertising & ADVERTISED_10baseT_Half) {
  388. bp->link_params.speed_cap_mask[cfg_idx] |=
  389. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
  390. }
  391. if (cmd->advertising & ADVERTISED_10baseT_Full)
  392. bp->link_params.speed_cap_mask[cfg_idx] |=
  393. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
  394. if (cmd->advertising & ADVERTISED_100baseT_Full)
  395. bp->link_params.speed_cap_mask[cfg_idx] |=
  396. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;
  397. if (cmd->advertising & ADVERTISED_100baseT_Half) {
  398. bp->link_params.speed_cap_mask[cfg_idx] |=
  399. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
  400. }
  401. if (cmd->advertising & ADVERTISED_1000baseT_Half) {
  402. bp->link_params.speed_cap_mask[cfg_idx] |=
  403. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
  404. }
  405. if (cmd->advertising & (ADVERTISED_1000baseT_Full |
  406. ADVERTISED_1000baseKX_Full))
  407. bp->link_params.speed_cap_mask[cfg_idx] |=
  408. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
  409. if (cmd->advertising & (ADVERTISED_10000baseT_Full |
  410. ADVERTISED_10000baseKX4_Full |
  411. ADVERTISED_10000baseKR_Full))
  412. bp->link_params.speed_cap_mask[cfg_idx] |=
  413. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
  414. }
  415. } else { /* forced speed */
  416. /* advertise the requested speed and duplex if supported */
  417. switch (speed) {
  418. case SPEED_10:
  419. if (cmd->duplex == DUPLEX_FULL) {
  420. if (!(bp->port.supported[cfg_idx] &
  421. SUPPORTED_10baseT_Full)) {
  422. DP(BNX2X_MSG_ETHTOOL,
  423. "10M full not supported\n");
  424. return -EINVAL;
  425. }
  426. advertising = (ADVERTISED_10baseT_Full |
  427. ADVERTISED_TP);
  428. } else {
  429. if (!(bp->port.supported[cfg_idx] &
  430. SUPPORTED_10baseT_Half)) {
  431. DP(BNX2X_MSG_ETHTOOL,
  432. "10M half not supported\n");
  433. return -EINVAL;
  434. }
  435. advertising = (ADVERTISED_10baseT_Half |
  436. ADVERTISED_TP);
  437. }
  438. break;
  439. case SPEED_100:
  440. if (cmd->duplex == DUPLEX_FULL) {
  441. if (!(bp->port.supported[cfg_idx] &
  442. SUPPORTED_100baseT_Full)) {
  443. DP(BNX2X_MSG_ETHTOOL,
  444. "100M full not supported\n");
  445. return -EINVAL;
  446. }
  447. advertising = (ADVERTISED_100baseT_Full |
  448. ADVERTISED_TP);
  449. } else {
  450. if (!(bp->port.supported[cfg_idx] &
  451. SUPPORTED_100baseT_Half)) {
  452. DP(BNX2X_MSG_ETHTOOL,
  453. "100M half not supported\n");
  454. return -EINVAL;
  455. }
  456. advertising = (ADVERTISED_100baseT_Half |
  457. ADVERTISED_TP);
  458. }
  459. break;
  460. case SPEED_1000:
  461. if (cmd->duplex != DUPLEX_FULL) {
  462. DP(BNX2X_MSG_ETHTOOL,
  463. "1G half not supported\n");
  464. return -EINVAL;
  465. }
  466. if (!(bp->port.supported[cfg_idx] &
  467. SUPPORTED_1000baseT_Full)) {
  468. DP(BNX2X_MSG_ETHTOOL,
  469. "1G full not supported\n");
  470. return -EINVAL;
  471. }
  472. advertising = (ADVERTISED_1000baseT_Full |
  473. ADVERTISED_TP);
  474. break;
  475. case SPEED_2500:
  476. if (cmd->duplex != DUPLEX_FULL) {
  477. DP(BNX2X_MSG_ETHTOOL,
  478. "2.5G half not supported\n");
  479. return -EINVAL;
  480. }
  481. if (!(bp->port.supported[cfg_idx]
  482. & SUPPORTED_2500baseX_Full)) {
  483. DP(BNX2X_MSG_ETHTOOL,
  484. "2.5G full not supported\n");
  485. return -EINVAL;
  486. }
  487. advertising = (ADVERTISED_2500baseX_Full |
  488. ADVERTISED_TP);
  489. break;
  490. case SPEED_10000:
  491. if (cmd->duplex != DUPLEX_FULL) {
  492. DP(BNX2X_MSG_ETHTOOL,
  493. "10G half not supported\n");
  494. return -EINVAL;
  495. }
  496. if (!(bp->port.supported[cfg_idx]
  497. & SUPPORTED_10000baseT_Full)) {
  498. DP(BNX2X_MSG_ETHTOOL,
  499. "10G full not supported\n");
  500. return -EINVAL;
  501. }
  502. advertising = (ADVERTISED_10000baseT_Full |
  503. ADVERTISED_FIBRE);
  504. break;
  505. default:
  506. DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed);
  507. return -EINVAL;
  508. }
  509. bp->link_params.req_line_speed[cfg_idx] = speed;
  510. bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
  511. bp->port.advertising[cfg_idx] = advertising;
  512. }
  513. DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n"
  514. " req_duplex %d advertising 0x%x\n",
  515. bp->link_params.req_line_speed[cfg_idx],
  516. bp->link_params.req_duplex[cfg_idx],
  517. bp->port.advertising[cfg_idx]);
  518. /* Set new config */
  519. bp->link_params.multi_phy_config = new_multi_phy_config;
  520. if (netif_running(dev)) {
  521. bnx2x_stats_handle(bp, STATS_EVENT_STOP);
  522. bnx2x_link_set(bp);
  523. }
  524. return 0;
  525. }
  526. #define IS_E1_ONLINE(info) (((info) & RI_E1_ONLINE) == RI_E1_ONLINE)
  527. #define IS_E1H_ONLINE(info) (((info) & RI_E1H_ONLINE) == RI_E1H_ONLINE)
  528. #define IS_E2_ONLINE(info) (((info) & RI_E2_ONLINE) == RI_E2_ONLINE)
  529. #define IS_E3_ONLINE(info) (((info) & RI_E3_ONLINE) == RI_E3_ONLINE)
  530. #define IS_E3B0_ONLINE(info) (((info) & RI_E3B0_ONLINE) == RI_E3B0_ONLINE)
  531. static bool bnx2x_is_reg_online(struct bnx2x *bp,
  532. const struct reg_addr *reg_info)
  533. {
  534. if (CHIP_IS_E1(bp))
  535. return IS_E1_ONLINE(reg_info->info);
  536. else if (CHIP_IS_E1H(bp))
  537. return IS_E1H_ONLINE(reg_info->info);
  538. else if (CHIP_IS_E2(bp))
  539. return IS_E2_ONLINE(reg_info->info);
  540. else if (CHIP_IS_E3A0(bp))
  541. return IS_E3_ONLINE(reg_info->info);
  542. else if (CHIP_IS_E3B0(bp))
  543. return IS_E3B0_ONLINE(reg_info->info);
  544. else
  545. return false;
  546. }
  547. /******* Paged registers info selectors ********/
  548. static const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp)
  549. {
  550. if (CHIP_IS_E2(bp))
  551. return page_vals_e2;
  552. else if (CHIP_IS_E3(bp))
  553. return page_vals_e3;
  554. else
  555. return NULL;
  556. }
  557. static u32 __bnx2x_get_page_reg_num(struct bnx2x *bp)
  558. {
  559. if (CHIP_IS_E2(bp))
  560. return PAGE_MODE_VALUES_E2;
  561. else if (CHIP_IS_E3(bp))
  562. return PAGE_MODE_VALUES_E3;
  563. else
  564. return 0;
  565. }
  566. static const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp)
  567. {
  568. if (CHIP_IS_E2(bp))
  569. return page_write_regs_e2;
  570. else if (CHIP_IS_E3(bp))
  571. return page_write_regs_e3;
  572. else
  573. return NULL;
  574. }
  575. static u32 __bnx2x_get_page_write_num(struct bnx2x *bp)
  576. {
  577. if (CHIP_IS_E2(bp))
  578. return PAGE_WRITE_REGS_E2;
  579. else if (CHIP_IS_E3(bp))
  580. return PAGE_WRITE_REGS_E3;
  581. else
  582. return 0;
  583. }
  584. static const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp)
  585. {
  586. if (CHIP_IS_E2(bp))
  587. return page_read_regs_e2;
  588. else if (CHIP_IS_E3(bp))
  589. return page_read_regs_e3;
  590. else
  591. return NULL;
  592. }
  593. static u32 __bnx2x_get_page_read_num(struct bnx2x *bp)
  594. {
  595. if (CHIP_IS_E2(bp))
  596. return PAGE_READ_REGS_E2;
  597. else if (CHIP_IS_E3(bp))
  598. return PAGE_READ_REGS_E3;
  599. else
  600. return 0;
  601. }
  602. static int __bnx2x_get_regs_len(struct bnx2x *bp)
  603. {
  604. int num_pages = __bnx2x_get_page_reg_num(bp);
  605. int page_write_num = __bnx2x_get_page_write_num(bp);
  606. const struct reg_addr *page_read_addr = __bnx2x_get_page_read_ar(bp);
  607. int page_read_num = __bnx2x_get_page_read_num(bp);
  608. int regdump_len = 0;
  609. int i, j, k;
  610. for (i = 0; i < REGS_COUNT; i++)
  611. if (bnx2x_is_reg_online(bp, &reg_addrs[i]))
  612. regdump_len += reg_addrs[i].size;
  613. for (i = 0; i < num_pages; i++)
  614. for (j = 0; j < page_write_num; j++)
  615. for (k = 0; k < page_read_num; k++)
  616. if (bnx2x_is_reg_online(bp, &page_read_addr[k]))
  617. regdump_len += page_read_addr[k].size;
  618. return regdump_len;
  619. }
  620. static int bnx2x_get_regs_len(struct net_device *dev)
  621. {
  622. struct bnx2x *bp = netdev_priv(dev);
  623. int regdump_len = 0;
  624. regdump_len = __bnx2x_get_regs_len(bp);
  625. regdump_len *= 4;
  626. regdump_len += sizeof(struct dump_hdr);
  627. return regdump_len;
  628. }
  629. /**
  630. * bnx2x_read_pages_regs - read "paged" registers
  631. *
  632. * @bp device handle
  633. * @p output buffer
  634. *
  635. * Reads "paged" memories: memories that may only be read by first writing to a
  636. * specific address ("write address") and then reading from a specific address
  637. * ("read address"). There may be more than one write address per "page" and
  638. * more than one read address per write address.
  639. */
  640. static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p)
  641. {
  642. u32 i, j, k, n;
  643. /* addresses of the paged registers */
  644. const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
  645. /* number of paged registers */
  646. int num_pages = __bnx2x_get_page_reg_num(bp);
  647. /* write addresses */
  648. const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
  649. /* number of write addresses */
  650. int write_num = __bnx2x_get_page_write_num(bp);
  651. /* read addresses info */
  652. const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
  653. /* number of read addresses */
  654. int read_num = __bnx2x_get_page_read_num(bp);
  655. for (i = 0; i < num_pages; i++) {
  656. for (j = 0; j < write_num; j++) {
  657. REG_WR(bp, write_addr[j], page_addr[i]);
  658. for (k = 0; k < read_num; k++)
  659. if (bnx2x_is_reg_online(bp, &read_addr[k]))
  660. for (n = 0; n <
  661. read_addr[k].size; n++)
  662. *p++ = REG_RD(bp,
  663. read_addr[k].addr + n*4);
  664. }
  665. }
  666. }
  667. static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
  668. {
  669. u32 i, j;
  670. /* Read the regular registers */
  671. for (i = 0; i < REGS_COUNT; i++)
  672. if (bnx2x_is_reg_online(bp, &reg_addrs[i]))
  673. for (j = 0; j < reg_addrs[i].size; j++)
  674. *p++ = REG_RD(bp, reg_addrs[i].addr + j*4);
  675. /* Read "paged" registes */
  676. bnx2x_read_pages_regs(bp, p);
  677. }
  678. static void bnx2x_get_regs(struct net_device *dev,
  679. struct ethtool_regs *regs, void *_p)
  680. {
  681. u32 *p = _p;
  682. struct bnx2x *bp = netdev_priv(dev);
  683. struct dump_hdr dump_hdr = {0};
  684. regs->version = 0;
  685. memset(p, 0, regs->len);
  686. if (!netif_running(bp->dev))
  687. return;
  688. /* Disable parity attentions as long as following dump may
  689. * cause false alarms by reading never written registers. We
  690. * will re-enable parity attentions right after the dump.
  691. */
  692. bnx2x_disable_blocks_parity(bp);
  693. dump_hdr.hdr_size = (sizeof(struct dump_hdr) / 4) - 1;
  694. dump_hdr.dump_sign = dump_sign_all;
  695. dump_hdr.xstorm_waitp = REG_RD(bp, XSTORM_WAITP_ADDR);
  696. dump_hdr.tstorm_waitp = REG_RD(bp, TSTORM_WAITP_ADDR);
  697. dump_hdr.ustorm_waitp = REG_RD(bp, USTORM_WAITP_ADDR);
  698. dump_hdr.cstorm_waitp = REG_RD(bp, CSTORM_WAITP_ADDR);
  699. if (CHIP_IS_E1(bp))
  700. dump_hdr.info = RI_E1_ONLINE;
  701. else if (CHIP_IS_E1H(bp))
  702. dump_hdr.info = RI_E1H_ONLINE;
  703. else if (!CHIP_IS_E1x(bp))
  704. dump_hdr.info = RI_E2_ONLINE |
  705. (BP_PATH(bp) ? RI_PATH1_DUMP : RI_PATH0_DUMP);
  706. memcpy(p, &dump_hdr, sizeof(struct dump_hdr));
  707. p += dump_hdr.hdr_size + 1;
  708. /* Actually read the registers */
  709. __bnx2x_get_regs(bp, p);
  710. /* Re-enable parity attentions */
  711. bnx2x_clear_blocks_parity(bp);
  712. bnx2x_enable_blocks_parity(bp);
  713. }
  714. static void bnx2x_get_drvinfo(struct net_device *dev,
  715. struct ethtool_drvinfo *info)
  716. {
  717. struct bnx2x *bp = netdev_priv(dev);
  718. u8 phy_fw_ver[PHY_FW_VER_LEN];
  719. strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
  720. strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
  721. phy_fw_ver[0] = '\0';
  722. bnx2x_get_ext_phy_fw_version(&bp->link_params,
  723. phy_fw_ver, PHY_FW_VER_LEN);
  724. strlcpy(info->fw_version, bp->fw_ver, sizeof(info->fw_version));
  725. snprintf(info->fw_version + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
  726. "bc %d.%d.%d%s%s",
  727. (bp->common.bc_ver & 0xff0000) >> 16,
  728. (bp->common.bc_ver & 0xff00) >> 8,
  729. (bp->common.bc_ver & 0xff),
  730. ((phy_fw_ver[0] != '\0') ? " phy " : ""), phy_fw_ver);
  731. strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
  732. info->n_stats = BNX2X_NUM_STATS;
  733. info->testinfo_len = BNX2X_NUM_TESTS;
  734. info->eedump_len = bp->common.flash_size;
  735. info->regdump_len = bnx2x_get_regs_len(dev);
  736. }
  737. static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  738. {
  739. struct bnx2x *bp = netdev_priv(dev);
  740. if (bp->flags & NO_WOL_FLAG) {
  741. wol->supported = 0;
  742. wol->wolopts = 0;
  743. } else {
  744. wol->supported = WAKE_MAGIC;
  745. if (bp->wol)
  746. wol->wolopts = WAKE_MAGIC;
  747. else
  748. wol->wolopts = 0;
  749. }
  750. memset(&wol->sopass, 0, sizeof(wol->sopass));
  751. }
  752. static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  753. {
  754. struct bnx2x *bp = netdev_priv(dev);
  755. if (wol->wolopts & ~WAKE_MAGIC) {
  756. DP(BNX2X_MSG_ETHTOOL, "WOL not supproted\n");
  757. return -EINVAL;
  758. }
  759. if (wol->wolopts & WAKE_MAGIC) {
  760. if (bp->flags & NO_WOL_FLAG) {
  761. DP(BNX2X_MSG_ETHTOOL, "WOL not supproted\n");
  762. return -EINVAL;
  763. }
  764. bp->wol = 1;
  765. } else
  766. bp->wol = 0;
  767. return 0;
  768. }
  769. static u32 bnx2x_get_msglevel(struct net_device *dev)
  770. {
  771. struct bnx2x *bp = netdev_priv(dev);
  772. return bp->msg_enable;
  773. }
  774. static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
  775. {
  776. struct bnx2x *bp = netdev_priv(dev);
  777. if (capable(CAP_NET_ADMIN)) {
  778. /* dump MCP trace */
  779. if (level & BNX2X_MSG_MCP)
  780. bnx2x_fw_dump_lvl(bp, KERN_INFO);
  781. bp->msg_enable = level;
  782. }
  783. }
  784. static int bnx2x_nway_reset(struct net_device *dev)
  785. {
  786. struct bnx2x *bp = netdev_priv(dev);
  787. if (!bp->port.pmf)
  788. return 0;
  789. if (netif_running(dev)) {
  790. bnx2x_stats_handle(bp, STATS_EVENT_STOP);
  791. bnx2x_link_set(bp);
  792. }
  793. return 0;
  794. }
  795. static u32 bnx2x_get_link(struct net_device *dev)
  796. {
  797. struct bnx2x *bp = netdev_priv(dev);
  798. if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
  799. return 0;
  800. return bp->link_vars.link_up;
  801. }
  802. static int bnx2x_get_eeprom_len(struct net_device *dev)
  803. {
  804. struct bnx2x *bp = netdev_priv(dev);
  805. return bp->common.flash_size;
  806. }
  807. /* Per pf misc lock must be aquired before the per port mcp lock. Otherwise, had
  808. * we done things the other way around, if two pfs from the same port would
  809. * attempt to access nvram at the same time, we could run into a scenario such
  810. * as:
  811. * pf A takes the port lock.
  812. * pf B succeeds in taking the same lock since they are from the same port.
  813. * pf A takes the per pf misc lock. Performs eeprom access.
  814. * pf A finishes. Unlocks the per pf misc lock.
  815. * Pf B takes the lock and proceeds to perform it's own access.
  816. * pf A unlocks the per port lock, while pf B is still working (!).
  817. * mcp takes the per port lock and corrupts pf B's access (and/or has it's own
  818. * acess corrupted by pf B).*
  819. */
  820. static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
  821. {
  822. int port = BP_PORT(bp);
  823. int count, i;
  824. u32 val;
  825. /* acquire HW lock: protect against other PFs in PF Direct Assignment */
  826. bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
  827. /* adjust timeout for emulation/FPGA */
  828. count = BNX2X_NVRAM_TIMEOUT_COUNT;
  829. if (CHIP_REV_IS_SLOW(bp))
  830. count *= 100;
  831. /* request access to nvram interface */
  832. REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
  833. (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
  834. for (i = 0; i < count*10; i++) {
  835. val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
  836. if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
  837. break;
  838. udelay(5);
  839. }
  840. if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
  841. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  842. "cannot get access to nvram interface\n");
  843. return -EBUSY;
  844. }
  845. return 0;
  846. }
  847. static int bnx2x_release_nvram_lock(struct bnx2x *bp)
  848. {
  849. int port = BP_PORT(bp);
  850. int count, i;
  851. u32 val;
  852. /* adjust timeout for emulation/FPGA */
  853. count = BNX2X_NVRAM_TIMEOUT_COUNT;
  854. if (CHIP_REV_IS_SLOW(bp))
  855. count *= 100;
  856. /* relinquish nvram interface */
  857. REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
  858. (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
  859. for (i = 0; i < count*10; i++) {
  860. val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
  861. if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
  862. break;
  863. udelay(5);
  864. }
  865. if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
  866. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  867. "cannot free access to nvram interface\n");
  868. return -EBUSY;
  869. }
  870. /* release HW lock: protect against other PFs in PF Direct Assignment */
  871. bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
  872. return 0;
  873. }
  874. static void bnx2x_enable_nvram_access(struct bnx2x *bp)
  875. {
  876. u32 val;
  877. val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
  878. /* enable both bits, even on read */
  879. REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
  880. (val | MCPR_NVM_ACCESS_ENABLE_EN |
  881. MCPR_NVM_ACCESS_ENABLE_WR_EN));
  882. }
  883. static void bnx2x_disable_nvram_access(struct bnx2x *bp)
  884. {
  885. u32 val;
  886. val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
  887. /* disable both bits, even after read */
  888. REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
  889. (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
  890. MCPR_NVM_ACCESS_ENABLE_WR_EN)));
  891. }
  892. static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
  893. u32 cmd_flags)
  894. {
  895. int count, i, rc;
  896. u32 val;
  897. /* build the command word */
  898. cmd_flags |= MCPR_NVM_COMMAND_DOIT;
  899. /* need to clear DONE bit separately */
  900. REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
  901. /* address of the NVRAM to read from */
  902. REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
  903. (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
  904. /* issue a read command */
  905. REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
  906. /* adjust timeout for emulation/FPGA */
  907. count = BNX2X_NVRAM_TIMEOUT_COUNT;
  908. if (CHIP_REV_IS_SLOW(bp))
  909. count *= 100;
  910. /* wait for completion */
  911. *ret_val = 0;
  912. rc = -EBUSY;
  913. for (i = 0; i < count; i++) {
  914. udelay(5);
  915. val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
  916. if (val & MCPR_NVM_COMMAND_DONE) {
  917. val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
  918. /* we read nvram data in cpu order
  919. * but ethtool sees it as an array of bytes
  920. * converting to big-endian will do the work */
  921. *ret_val = cpu_to_be32(val);
  922. rc = 0;
  923. break;
  924. }
  925. }
  926. if (rc == -EBUSY)
  927. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  928. "nvram read timeout expired\n");
  929. return rc;
  930. }
  931. static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
  932. int buf_size)
  933. {
  934. int rc;
  935. u32 cmd_flags;
  936. __be32 val;
  937. if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
  938. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  939. "Invalid parameter: offset 0x%x buf_size 0x%x\n",
  940. offset, buf_size);
  941. return -EINVAL;
  942. }
  943. if (offset + buf_size > bp->common.flash_size) {
  944. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  945. "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
  946. offset, buf_size, bp->common.flash_size);
  947. return -EINVAL;
  948. }
  949. /* request access to nvram interface */
  950. rc = bnx2x_acquire_nvram_lock(bp);
  951. if (rc)
  952. return rc;
  953. /* enable access to nvram interface */
  954. bnx2x_enable_nvram_access(bp);
  955. /* read the first word(s) */
  956. cmd_flags = MCPR_NVM_COMMAND_FIRST;
  957. while ((buf_size > sizeof(u32)) && (rc == 0)) {
  958. rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
  959. memcpy(ret_buf, &val, 4);
  960. /* advance to the next dword */
  961. offset += sizeof(u32);
  962. ret_buf += sizeof(u32);
  963. buf_size -= sizeof(u32);
  964. cmd_flags = 0;
  965. }
  966. if (rc == 0) {
  967. cmd_flags |= MCPR_NVM_COMMAND_LAST;
  968. rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
  969. memcpy(ret_buf, &val, 4);
  970. }
  971. /* disable access to nvram interface */
  972. bnx2x_disable_nvram_access(bp);
  973. bnx2x_release_nvram_lock(bp);
  974. return rc;
  975. }
  976. static int bnx2x_get_eeprom(struct net_device *dev,
  977. struct ethtool_eeprom *eeprom, u8 *eebuf)
  978. {
  979. struct bnx2x *bp = netdev_priv(dev);
  980. int rc;
  981. if (!netif_running(dev)) {
  982. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  983. "cannot access eeprom when the interface is down\n");
  984. return -EAGAIN;
  985. }
  986. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
  987. " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
  988. eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
  989. eeprom->len, eeprom->len);
  990. /* parameters already validated in ethtool_get_eeprom */
  991. rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
  992. return rc;
  993. }
  994. static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
  995. u32 cmd_flags)
  996. {
  997. int count, i, rc;
  998. /* build the command word */
  999. cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
  1000. /* need to clear DONE bit separately */
  1001. REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
  1002. /* write the data */
  1003. REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
  1004. /* address of the NVRAM to write to */
  1005. REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
  1006. (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
  1007. /* issue the write command */
  1008. REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
  1009. /* adjust timeout for emulation/FPGA */
  1010. count = BNX2X_NVRAM_TIMEOUT_COUNT;
  1011. if (CHIP_REV_IS_SLOW(bp))
  1012. count *= 100;
  1013. /* wait for completion */
  1014. rc = -EBUSY;
  1015. for (i = 0; i < count; i++) {
  1016. udelay(5);
  1017. val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
  1018. if (val & MCPR_NVM_COMMAND_DONE) {
  1019. rc = 0;
  1020. break;
  1021. }
  1022. }
  1023. if (rc == -EBUSY)
  1024. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1025. "nvram write timeout expired\n");
  1026. return rc;
  1027. }
  1028. #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
  1029. static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
  1030. int buf_size)
  1031. {
  1032. int rc;
  1033. u32 cmd_flags;
  1034. u32 align_offset;
  1035. __be32 val;
  1036. if (offset + buf_size > bp->common.flash_size) {
  1037. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1038. "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
  1039. offset, buf_size, bp->common.flash_size);
  1040. return -EINVAL;
  1041. }
  1042. /* request access to nvram interface */
  1043. rc = bnx2x_acquire_nvram_lock(bp);
  1044. if (rc)
  1045. return rc;
  1046. /* enable access to nvram interface */
  1047. bnx2x_enable_nvram_access(bp);
  1048. cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
  1049. align_offset = (offset & ~0x03);
  1050. rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
  1051. if (rc == 0) {
  1052. val &= ~(0xff << BYTE_OFFSET(offset));
  1053. val |= (*data_buf << BYTE_OFFSET(offset));
  1054. /* nvram data is returned as an array of bytes
  1055. * convert it back to cpu order */
  1056. val = be32_to_cpu(val);
  1057. rc = bnx2x_nvram_write_dword(bp, align_offset, val,
  1058. cmd_flags);
  1059. }
  1060. /* disable access to nvram interface */
  1061. bnx2x_disable_nvram_access(bp);
  1062. bnx2x_release_nvram_lock(bp);
  1063. return rc;
  1064. }
  1065. static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
  1066. int buf_size)
  1067. {
  1068. int rc;
  1069. u32 cmd_flags;
  1070. u32 val;
  1071. u32 written_so_far;
  1072. if (buf_size == 1) /* ethtool */
  1073. return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
  1074. if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
  1075. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1076. "Invalid parameter: offset 0x%x buf_size 0x%x\n",
  1077. offset, buf_size);
  1078. return -EINVAL;
  1079. }
  1080. if (offset + buf_size > bp->common.flash_size) {
  1081. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1082. "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
  1083. offset, buf_size, bp->common.flash_size);
  1084. return -EINVAL;
  1085. }
  1086. /* request access to nvram interface */
  1087. rc = bnx2x_acquire_nvram_lock(bp);
  1088. if (rc)
  1089. return rc;
  1090. /* enable access to nvram interface */
  1091. bnx2x_enable_nvram_access(bp);
  1092. written_so_far = 0;
  1093. cmd_flags = MCPR_NVM_COMMAND_FIRST;
  1094. while ((written_so_far < buf_size) && (rc == 0)) {
  1095. if (written_so_far == (buf_size - sizeof(u32)))
  1096. cmd_flags |= MCPR_NVM_COMMAND_LAST;
  1097. else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
  1098. cmd_flags |= MCPR_NVM_COMMAND_LAST;
  1099. else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
  1100. cmd_flags |= MCPR_NVM_COMMAND_FIRST;
  1101. memcpy(&val, data_buf, 4);
  1102. rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
  1103. /* advance to the next dword */
  1104. offset += sizeof(u32);
  1105. data_buf += sizeof(u32);
  1106. written_so_far += sizeof(u32);
  1107. cmd_flags = 0;
  1108. }
  1109. /* disable access to nvram interface */
  1110. bnx2x_disable_nvram_access(bp);
  1111. bnx2x_release_nvram_lock(bp);
  1112. return rc;
  1113. }
  1114. static int bnx2x_set_eeprom(struct net_device *dev,
  1115. struct ethtool_eeprom *eeprom, u8 *eebuf)
  1116. {
  1117. struct bnx2x *bp = netdev_priv(dev);
  1118. int port = BP_PORT(bp);
  1119. int rc = 0;
  1120. u32 ext_phy_config;
  1121. if (!netif_running(dev)) {
  1122. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1123. "cannot access eeprom when the interface is down\n");
  1124. return -EAGAIN;
  1125. }
  1126. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
  1127. " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
  1128. eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
  1129. eeprom->len, eeprom->len);
  1130. /* parameters already validated in ethtool_set_eeprom */
  1131. /* PHY eeprom can be accessed only by the PMF */
  1132. if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
  1133. !bp->port.pmf) {
  1134. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1135. "wrong magic or interface is not pmf\n");
  1136. return -EINVAL;
  1137. }
  1138. ext_phy_config =
  1139. SHMEM_RD(bp,
  1140. dev_info.port_hw_config[port].external_phy_config);
  1141. if (eeprom->magic == 0x50485950) {
  1142. /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
  1143. bnx2x_stats_handle(bp, STATS_EVENT_STOP);
  1144. bnx2x_acquire_phy_lock(bp);
  1145. rc |= bnx2x_link_reset(&bp->link_params,
  1146. &bp->link_vars, 0);
  1147. if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
  1148. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
  1149. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  1150. MISC_REGISTERS_GPIO_HIGH, port);
  1151. bnx2x_release_phy_lock(bp);
  1152. bnx2x_link_report(bp);
  1153. } else if (eeprom->magic == 0x50485952) {
  1154. /* 'PHYR' (0x50485952): re-init link after FW upgrade */
  1155. if (bp->state == BNX2X_STATE_OPEN) {
  1156. bnx2x_acquire_phy_lock(bp);
  1157. rc |= bnx2x_link_reset(&bp->link_params,
  1158. &bp->link_vars, 1);
  1159. rc |= bnx2x_phy_init(&bp->link_params,
  1160. &bp->link_vars);
  1161. bnx2x_release_phy_lock(bp);
  1162. bnx2x_calc_fc_adv(bp);
  1163. }
  1164. } else if (eeprom->magic == 0x53985943) {
  1165. /* 'PHYC' (0x53985943): PHY FW upgrade completed */
  1166. if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
  1167. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
  1168. /* DSP Remove Download Mode */
  1169. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  1170. MISC_REGISTERS_GPIO_LOW, port);
  1171. bnx2x_acquire_phy_lock(bp);
  1172. bnx2x_sfx7101_sp_sw_reset(bp,
  1173. &bp->link_params.phy[EXT_PHY1]);
  1174. /* wait 0.5 sec to allow it to run */
  1175. msleep(500);
  1176. bnx2x_ext_phy_hw_reset(bp, port);
  1177. msleep(500);
  1178. bnx2x_release_phy_lock(bp);
  1179. }
  1180. } else
  1181. rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
  1182. return rc;
  1183. }
  1184. static int bnx2x_get_coalesce(struct net_device *dev,
  1185. struct ethtool_coalesce *coal)
  1186. {
  1187. struct bnx2x *bp = netdev_priv(dev);
  1188. memset(coal, 0, sizeof(struct ethtool_coalesce));
  1189. coal->rx_coalesce_usecs = bp->rx_ticks;
  1190. coal->tx_coalesce_usecs = bp->tx_ticks;
  1191. return 0;
  1192. }
  1193. static int bnx2x_set_coalesce(struct net_device *dev,
  1194. struct ethtool_coalesce *coal)
  1195. {
  1196. struct bnx2x *bp = netdev_priv(dev);
  1197. bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
  1198. if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
  1199. bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
  1200. bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
  1201. if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
  1202. bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
  1203. if (netif_running(dev))
  1204. bnx2x_update_coalesce(bp);
  1205. return 0;
  1206. }
  1207. static void bnx2x_get_ringparam(struct net_device *dev,
  1208. struct ethtool_ringparam *ering)
  1209. {
  1210. struct bnx2x *bp = netdev_priv(dev);
  1211. ering->rx_max_pending = MAX_RX_AVAIL;
  1212. if (bp->rx_ring_size)
  1213. ering->rx_pending = bp->rx_ring_size;
  1214. else
  1215. ering->rx_pending = MAX_RX_AVAIL;
  1216. ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
  1217. ering->tx_pending = bp->tx_ring_size;
  1218. }
  1219. static int bnx2x_set_ringparam(struct net_device *dev,
  1220. struct ethtool_ringparam *ering)
  1221. {
  1222. struct bnx2x *bp = netdev_priv(dev);
  1223. if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
  1224. DP(BNX2X_MSG_ETHTOOL,
  1225. "Handling parity error recovery. Try again later\n");
  1226. return -EAGAIN;
  1227. }
  1228. if ((ering->rx_pending > MAX_RX_AVAIL) ||
  1229. (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
  1230. MIN_RX_SIZE_TPA)) ||
  1231. (ering->tx_pending > (IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL)) ||
  1232. (ering->tx_pending <= MAX_SKB_FRAGS + 4)) {
  1233. DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
  1234. return -EINVAL;
  1235. }
  1236. bp->rx_ring_size = ering->rx_pending;
  1237. bp->tx_ring_size = ering->tx_pending;
  1238. return bnx2x_reload_if_running(dev);
  1239. }
  1240. static void bnx2x_get_pauseparam(struct net_device *dev,
  1241. struct ethtool_pauseparam *epause)
  1242. {
  1243. struct bnx2x *bp = netdev_priv(dev);
  1244. int cfg_idx = bnx2x_get_link_cfg_idx(bp);
  1245. int cfg_reg;
  1246. epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
  1247. BNX2X_FLOW_CTRL_AUTO);
  1248. if (!epause->autoneg)
  1249. cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx];
  1250. else
  1251. cfg_reg = bp->link_params.req_fc_auto_adv;
  1252. epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) ==
  1253. BNX2X_FLOW_CTRL_RX);
  1254. epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) ==
  1255. BNX2X_FLOW_CTRL_TX);
  1256. DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
  1257. " autoneg %d rx_pause %d tx_pause %d\n",
  1258. epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
  1259. }
  1260. static int bnx2x_set_pauseparam(struct net_device *dev,
  1261. struct ethtool_pauseparam *epause)
  1262. {
  1263. struct bnx2x *bp = netdev_priv(dev);
  1264. u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
  1265. if (IS_MF(bp))
  1266. return 0;
  1267. DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
  1268. " autoneg %d rx_pause %d tx_pause %d\n",
  1269. epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
  1270. bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
  1271. if (epause->rx_pause)
  1272. bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
  1273. if (epause->tx_pause)
  1274. bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
  1275. if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
  1276. bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
  1277. if (epause->autoneg) {
  1278. if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
  1279. DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n");
  1280. return -EINVAL;
  1281. }
  1282. if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
  1283. bp->link_params.req_flow_ctrl[cfg_idx] =
  1284. BNX2X_FLOW_CTRL_AUTO;
  1285. }
  1286. }
  1287. DP(BNX2X_MSG_ETHTOOL,
  1288. "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
  1289. if (netif_running(dev)) {
  1290. bnx2x_stats_handle(bp, STATS_EVENT_STOP);
  1291. bnx2x_link_set(bp);
  1292. }
  1293. return 0;
  1294. }
  1295. static const struct {
  1296. char string[ETH_GSTRING_LEN];
  1297. } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
  1298. { "register_test (offline)" },
  1299. { "memory_test (offline)" },
  1300. { "loopback_test (offline)" },
  1301. { "nvram_test (online)" },
  1302. { "interrupt_test (online)" },
  1303. { "link_test (online)" },
  1304. { "idle check (online)" }
  1305. };
  1306. enum {
  1307. BNX2X_CHIP_E1_OFST = 0,
  1308. BNX2X_CHIP_E1H_OFST,
  1309. BNX2X_CHIP_E2_OFST,
  1310. BNX2X_CHIP_E3_OFST,
  1311. BNX2X_CHIP_E3B0_OFST,
  1312. BNX2X_CHIP_MAX_OFST
  1313. };
  1314. #define BNX2X_CHIP_MASK_E1 (1 << BNX2X_CHIP_E1_OFST)
  1315. #define BNX2X_CHIP_MASK_E1H (1 << BNX2X_CHIP_E1H_OFST)
  1316. #define BNX2X_CHIP_MASK_E2 (1 << BNX2X_CHIP_E2_OFST)
  1317. #define BNX2X_CHIP_MASK_E3 (1 << BNX2X_CHIP_E3_OFST)
  1318. #define BNX2X_CHIP_MASK_E3B0 (1 << BNX2X_CHIP_E3B0_OFST)
  1319. #define BNX2X_CHIP_MASK_ALL ((1 << BNX2X_CHIP_MAX_OFST) - 1)
  1320. #define BNX2X_CHIP_MASK_E1X (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)
  1321. static int bnx2x_test_registers(struct bnx2x *bp)
  1322. {
  1323. int idx, i, rc = -ENODEV;
  1324. u32 wr_val = 0, hw;
  1325. int port = BP_PORT(bp);
  1326. static const struct {
  1327. u32 hw;
  1328. u32 offset0;
  1329. u32 offset1;
  1330. u32 mask;
  1331. } reg_tbl[] = {
  1332. /* 0 */ { BNX2X_CHIP_MASK_ALL,
  1333. BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
  1334. { BNX2X_CHIP_MASK_ALL,
  1335. DORQ_REG_DB_ADDR0, 4, 0xffffffff },
  1336. { BNX2X_CHIP_MASK_E1X,
  1337. HC_REG_AGG_INT_0, 4, 0x000003ff },
  1338. { BNX2X_CHIP_MASK_ALL,
  1339. PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
  1340. { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
  1341. PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
  1342. { BNX2X_CHIP_MASK_E3B0,
  1343. PBF_REG_INIT_CRD_Q0, 4, 0x000007ff },
  1344. { BNX2X_CHIP_MASK_ALL,
  1345. PRS_REG_CID_PORT_0, 4, 0x00ffffff },
  1346. { BNX2X_CHIP_MASK_ALL,
  1347. PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
  1348. { BNX2X_CHIP_MASK_ALL,
  1349. PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
  1350. { BNX2X_CHIP_MASK_ALL,
  1351. PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
  1352. /* 10 */ { BNX2X_CHIP_MASK_ALL,
  1353. PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
  1354. { BNX2X_CHIP_MASK_ALL,
  1355. PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
  1356. { BNX2X_CHIP_MASK_ALL,
  1357. QM_REG_CONNNUM_0, 4, 0x000fffff },
  1358. { BNX2X_CHIP_MASK_ALL,
  1359. TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
  1360. { BNX2X_CHIP_MASK_ALL,
  1361. SRC_REG_KEYRSS0_0, 40, 0xffffffff },
  1362. { BNX2X_CHIP_MASK_ALL,
  1363. SRC_REG_KEYRSS0_7, 40, 0xffffffff },
  1364. { BNX2X_CHIP_MASK_ALL,
  1365. XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
  1366. { BNX2X_CHIP_MASK_ALL,
  1367. XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
  1368. { BNX2X_CHIP_MASK_ALL,
  1369. XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
  1370. { BNX2X_CHIP_MASK_ALL,
  1371. NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
  1372. /* 20 */ { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
  1373. NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
  1374. { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
  1375. NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
  1376. { BNX2X_CHIP_MASK_ALL,
  1377. NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
  1378. { BNX2X_CHIP_MASK_ALL,
  1379. NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
  1380. { BNX2X_CHIP_MASK_ALL,
  1381. NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
  1382. { BNX2X_CHIP_MASK_ALL,
  1383. NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
  1384. { BNX2X_CHIP_MASK_ALL,
  1385. NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
  1386. { BNX2X_CHIP_MASK_ALL,
  1387. NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
  1388. { BNX2X_CHIP_MASK_ALL,
  1389. NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
  1390. { BNX2X_CHIP_MASK_ALL,
  1391. NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
  1392. /* 30 */ { BNX2X_CHIP_MASK_ALL,
  1393. NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
  1394. { BNX2X_CHIP_MASK_ALL,
  1395. NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
  1396. { BNX2X_CHIP_MASK_ALL,
  1397. NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
  1398. { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
  1399. NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
  1400. { BNX2X_CHIP_MASK_ALL,
  1401. NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
  1402. { BNX2X_CHIP_MASK_ALL,
  1403. NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
  1404. { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
  1405. NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
  1406. { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
  1407. NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
  1408. { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
  1409. };
  1410. if (!netif_running(bp->dev)) {
  1411. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1412. "cannot access eeprom when the interface is down\n");
  1413. return rc;
  1414. }
  1415. if (CHIP_IS_E1(bp))
  1416. hw = BNX2X_CHIP_MASK_E1;
  1417. else if (CHIP_IS_E1H(bp))
  1418. hw = BNX2X_CHIP_MASK_E1H;
  1419. else if (CHIP_IS_E2(bp))
  1420. hw = BNX2X_CHIP_MASK_E2;
  1421. else if (CHIP_IS_E3B0(bp))
  1422. hw = BNX2X_CHIP_MASK_E3B0;
  1423. else /* e3 A0 */
  1424. hw = BNX2X_CHIP_MASK_E3;
  1425. /* Repeat the test twice:
  1426. First by writing 0x00000000, second by writing 0xffffffff */
  1427. for (idx = 0; idx < 2; idx++) {
  1428. switch (idx) {
  1429. case 0:
  1430. wr_val = 0;
  1431. break;
  1432. case 1:
  1433. wr_val = 0xffffffff;
  1434. break;
  1435. }
  1436. for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
  1437. u32 offset, mask, save_val, val;
  1438. if (!(hw & reg_tbl[i].hw))
  1439. continue;
  1440. offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
  1441. mask = reg_tbl[i].mask;
  1442. save_val = REG_RD(bp, offset);
  1443. REG_WR(bp, offset, wr_val & mask);
  1444. val = REG_RD(bp, offset);
  1445. /* Restore the original register's value */
  1446. REG_WR(bp, offset, save_val);
  1447. /* verify value is as expected */
  1448. if ((val & mask) != (wr_val & mask)) {
  1449. DP(BNX2X_MSG_ETHTOOL,
  1450. "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
  1451. offset, val, wr_val, mask);
  1452. goto test_reg_exit;
  1453. }
  1454. }
  1455. }
  1456. rc = 0;
  1457. test_reg_exit:
  1458. return rc;
  1459. }
  1460. static int bnx2x_test_memory(struct bnx2x *bp)
  1461. {
  1462. int i, j, rc = -ENODEV;
  1463. u32 val, index;
  1464. static const struct {
  1465. u32 offset;
  1466. int size;
  1467. } mem_tbl[] = {
  1468. { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
  1469. { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
  1470. { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
  1471. { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
  1472. { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
  1473. { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
  1474. { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
  1475. { 0xffffffff, 0 }
  1476. };
  1477. static const struct {
  1478. char *name;
  1479. u32 offset;
  1480. u32 hw_mask[BNX2X_CHIP_MAX_OFST];
  1481. } prty_tbl[] = {
  1482. { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS,
  1483. {0x3ffc0, 0, 0, 0} },
  1484. { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS,
  1485. {0x2, 0x2, 0, 0} },
  1486. { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
  1487. {0, 0, 0, 0} },
  1488. { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS,
  1489. {0x3ffc0, 0, 0, 0} },
  1490. { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS,
  1491. {0x3ffc0, 0, 0, 0} },
  1492. { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS,
  1493. {0x3ffc1, 0, 0, 0} },
  1494. { NULL, 0xffffffff, {0, 0, 0, 0} }
  1495. };
  1496. if (!netif_running(bp->dev)) {
  1497. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1498. "cannot access eeprom when the interface is down\n");
  1499. return rc;
  1500. }
  1501. if (CHIP_IS_E1(bp))
  1502. index = BNX2X_CHIP_E1_OFST;
  1503. else if (CHIP_IS_E1H(bp))
  1504. index = BNX2X_CHIP_E1H_OFST;
  1505. else if (CHIP_IS_E2(bp))
  1506. index = BNX2X_CHIP_E2_OFST;
  1507. else /* e3 */
  1508. index = BNX2X_CHIP_E3_OFST;
  1509. /* pre-Check the parity status */
  1510. for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
  1511. val = REG_RD(bp, prty_tbl[i].offset);
  1512. if (val & ~(prty_tbl[i].hw_mask[index])) {
  1513. DP(BNX2X_MSG_ETHTOOL,
  1514. "%s is 0x%x\n", prty_tbl[i].name, val);
  1515. goto test_mem_exit;
  1516. }
  1517. }
  1518. /* Go through all the memories */
  1519. for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
  1520. for (j = 0; j < mem_tbl[i].size; j++)
  1521. REG_RD(bp, mem_tbl[i].offset + j*4);
  1522. /* Check the parity status */
  1523. for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
  1524. val = REG_RD(bp, prty_tbl[i].offset);
  1525. if (val & ~(prty_tbl[i].hw_mask[index])) {
  1526. DP(BNX2X_MSG_ETHTOOL,
  1527. "%s is 0x%x\n", prty_tbl[i].name, val);
  1528. goto test_mem_exit;
  1529. }
  1530. }
  1531. rc = 0;
  1532. test_mem_exit:
  1533. return rc;
  1534. }
  1535. static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
  1536. {
  1537. int cnt = 1400;
  1538. if (link_up) {
  1539. while (bnx2x_link_test(bp, is_serdes) && cnt--)
  1540. msleep(20);
  1541. if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
  1542. DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n");
  1543. }
  1544. }
  1545. static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
  1546. {
  1547. unsigned int pkt_size, num_pkts, i;
  1548. struct sk_buff *skb;
  1549. unsigned char *packet;
  1550. struct bnx2x_fastpath *fp_rx = &bp->fp[0];
  1551. struct bnx2x_fastpath *fp_tx = &bp->fp[0];
  1552. struct bnx2x_fp_txdata *txdata = &fp_tx->txdata[0];
  1553. u16 tx_start_idx, tx_idx;
  1554. u16 rx_start_idx, rx_idx;
  1555. u16 pkt_prod, bd_prod;
  1556. struct sw_tx_bd *tx_buf;
  1557. struct eth_tx_start_bd *tx_start_bd;
  1558. struct eth_tx_parse_bd_e1x *pbd_e1x = NULL;
  1559. struct eth_tx_parse_bd_e2 *pbd_e2 = NULL;
  1560. dma_addr_t mapping;
  1561. union eth_rx_cqe *cqe;
  1562. u8 cqe_fp_flags, cqe_fp_type;
  1563. struct sw_rx_bd *rx_buf;
  1564. u16 len;
  1565. int rc = -ENODEV;
  1566. u8 *data;
  1567. struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, txdata->txq_index);
  1568. /* check the loopback mode */
  1569. switch (loopback_mode) {
  1570. case BNX2X_PHY_LOOPBACK:
  1571. if (bp->link_params.loopback_mode != LOOPBACK_XGXS)
  1572. return -EINVAL;
  1573. break;
  1574. case BNX2X_MAC_LOOPBACK:
  1575. if (CHIP_IS_E3(bp)) {
  1576. int cfg_idx = bnx2x_get_link_cfg_idx(bp);
  1577. if (bp->port.supported[cfg_idx] &
  1578. (SUPPORTED_10000baseT_Full |
  1579. SUPPORTED_20000baseMLD2_Full |
  1580. SUPPORTED_20000baseKR2_Full))
  1581. bp->link_params.loopback_mode = LOOPBACK_XMAC;
  1582. else
  1583. bp->link_params.loopback_mode = LOOPBACK_UMAC;
  1584. } else
  1585. bp->link_params.loopback_mode = LOOPBACK_BMAC;
  1586. bnx2x_phy_init(&bp->link_params, &bp->link_vars);
  1587. break;
  1588. default:
  1589. DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
  1590. return -EINVAL;
  1591. }
  1592. /* prepare the loopback packet */
  1593. pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
  1594. bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
  1595. skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
  1596. if (!skb) {
  1597. DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n");
  1598. rc = -ENOMEM;
  1599. goto test_loopback_exit;
  1600. }
  1601. packet = skb_put(skb, pkt_size);
  1602. memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
  1603. memset(packet + ETH_ALEN, 0, ETH_ALEN);
  1604. memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
  1605. for (i = ETH_HLEN; i < pkt_size; i++)
  1606. packet[i] = (unsigned char) (i & 0xff);
  1607. mapping = dma_map_single(&bp->pdev->dev, skb->data,
  1608. skb_headlen(skb), DMA_TO_DEVICE);
  1609. if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
  1610. rc = -ENOMEM;
  1611. dev_kfree_skb(skb);
  1612. DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n");
  1613. goto test_loopback_exit;
  1614. }
  1615. /* send the loopback packet */
  1616. num_pkts = 0;
  1617. tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
  1618. rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
  1619. netdev_tx_sent_queue(txq, skb->len);
  1620. pkt_prod = txdata->tx_pkt_prod++;
  1621. tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
  1622. tx_buf->first_bd = txdata->tx_bd_prod;
  1623. tx_buf->skb = skb;
  1624. tx_buf->flags = 0;
  1625. bd_prod = TX_BD(txdata->tx_bd_prod);
  1626. tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
  1627. tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
  1628. tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
  1629. tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
  1630. tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
  1631. tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
  1632. tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
  1633. SET_FLAG(tx_start_bd->general_data,
  1634. ETH_TX_START_BD_ETH_ADDR_TYPE,
  1635. UNICAST_ADDRESS);
  1636. SET_FLAG(tx_start_bd->general_data,
  1637. ETH_TX_START_BD_HDR_NBDS,
  1638. 1);
  1639. /* turn on parsing and get a BD */
  1640. bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
  1641. pbd_e1x = &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
  1642. pbd_e2 = &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
  1643. memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
  1644. memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
  1645. wmb();
  1646. txdata->tx_db.data.prod += 2;
  1647. barrier();
  1648. DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
  1649. mmiowb();
  1650. barrier();
  1651. num_pkts++;
  1652. txdata->tx_bd_prod += 2; /* start + pbd */
  1653. udelay(100);
  1654. tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
  1655. if (tx_idx != tx_start_idx + num_pkts)
  1656. goto test_loopback_exit;
  1657. /* Unlike HC IGU won't generate an interrupt for status block
  1658. * updates that have been performed while interrupts were
  1659. * disabled.
  1660. */
  1661. if (bp->common.int_block == INT_BLOCK_IGU) {
  1662. /* Disable local BHes to prevent a dead-lock situation between
  1663. * sch_direct_xmit() and bnx2x_run_loopback() (calling
  1664. * bnx2x_tx_int()), as both are taking netif_tx_lock().
  1665. */
  1666. local_bh_disable();
  1667. bnx2x_tx_int(bp, txdata);
  1668. local_bh_enable();
  1669. }
  1670. rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
  1671. if (rx_idx != rx_start_idx + num_pkts)
  1672. goto test_loopback_exit;
  1673. cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
  1674. cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
  1675. cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
  1676. if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
  1677. goto test_loopback_rx_exit;
  1678. len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len);
  1679. if (len != pkt_size)
  1680. goto test_loopback_rx_exit;
  1681. rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
  1682. dma_sync_single_for_cpu(&bp->pdev->dev,
  1683. dma_unmap_addr(rx_buf, mapping),
  1684. fp_rx->rx_buf_size, DMA_FROM_DEVICE);
  1685. data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
  1686. for (i = ETH_HLEN; i < pkt_size; i++)
  1687. if (*(data + i) != (unsigned char) (i & 0xff))
  1688. goto test_loopback_rx_exit;
  1689. rc = 0;
  1690. test_loopback_rx_exit:
  1691. fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
  1692. fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
  1693. fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
  1694. fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
  1695. /* Update producers */
  1696. bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
  1697. fp_rx->rx_sge_prod);
  1698. test_loopback_exit:
  1699. bp->link_params.loopback_mode = LOOPBACK_NONE;
  1700. return rc;
  1701. }
  1702. static int bnx2x_test_loopback(struct bnx2x *bp)
  1703. {
  1704. int rc = 0, res;
  1705. if (BP_NOMCP(bp))
  1706. return rc;
  1707. if (!netif_running(bp->dev))
  1708. return BNX2X_LOOPBACK_FAILED;
  1709. bnx2x_netif_stop(bp, 1);
  1710. bnx2x_acquire_phy_lock(bp);
  1711. res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
  1712. if (res) {
  1713. DP(BNX2X_MSG_ETHTOOL, " PHY loopback failed (res %d)\n", res);
  1714. rc |= BNX2X_PHY_LOOPBACK_FAILED;
  1715. }
  1716. res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
  1717. if (res) {
  1718. DP(BNX2X_MSG_ETHTOOL, " MAC loopback failed (res %d)\n", res);
  1719. rc |= BNX2X_MAC_LOOPBACK_FAILED;
  1720. }
  1721. bnx2x_release_phy_lock(bp);
  1722. bnx2x_netif_start(bp);
  1723. return rc;
  1724. }
  1725. #define CRC32_RESIDUAL 0xdebb20e3
  1726. static int bnx2x_test_nvram(struct bnx2x *bp)
  1727. {
  1728. static const struct {
  1729. int offset;
  1730. int size;
  1731. } nvram_tbl[] = {
  1732. { 0, 0x14 }, /* bootstrap */
  1733. { 0x14, 0xec }, /* dir */
  1734. { 0x100, 0x350 }, /* manuf_info */
  1735. { 0x450, 0xf0 }, /* feature_info */
  1736. { 0x640, 0x64 }, /* upgrade_key_info */
  1737. { 0x708, 0x70 }, /* manuf_key_info */
  1738. { 0, 0 }
  1739. };
  1740. __be32 *buf;
  1741. u8 *data;
  1742. int i, rc;
  1743. u32 magic, crc;
  1744. if (BP_NOMCP(bp))
  1745. return 0;
  1746. buf = kmalloc(0x350, GFP_KERNEL);
  1747. if (!buf) {
  1748. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n");
  1749. rc = -ENOMEM;
  1750. goto test_nvram_exit;
  1751. }
  1752. data = (u8 *)buf;
  1753. rc = bnx2x_nvram_read(bp, 0, data, 4);
  1754. if (rc) {
  1755. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1756. "magic value read (rc %d)\n", rc);
  1757. goto test_nvram_exit;
  1758. }
  1759. magic = be32_to_cpu(buf[0]);
  1760. if (magic != 0x669955aa) {
  1761. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1762. "wrong magic value (0x%08x)\n", magic);
  1763. rc = -ENODEV;
  1764. goto test_nvram_exit;
  1765. }
  1766. for (i = 0; nvram_tbl[i].size; i++) {
  1767. rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
  1768. nvram_tbl[i].size);
  1769. if (rc) {
  1770. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1771. "nvram_tbl[%d] read data (rc %d)\n", i, rc);
  1772. goto test_nvram_exit;
  1773. }
  1774. crc = ether_crc_le(nvram_tbl[i].size, data);
  1775. if (crc != CRC32_RESIDUAL) {
  1776. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1777. "nvram_tbl[%d] wrong crc value (0x%08x)\n", i, crc);
  1778. rc = -ENODEV;
  1779. goto test_nvram_exit;
  1780. }
  1781. }
  1782. test_nvram_exit:
  1783. kfree(buf);
  1784. return rc;
  1785. }
  1786. /* Send an EMPTY ramrod on the first queue */
  1787. static int bnx2x_test_intr(struct bnx2x *bp)
  1788. {
  1789. struct bnx2x_queue_state_params params = {NULL};
  1790. if (!netif_running(bp->dev)) {
  1791. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1792. "cannot access eeprom when the interface is down\n");
  1793. return -ENODEV;
  1794. }
  1795. params.q_obj = &bp->fp->q_obj;
  1796. params.cmd = BNX2X_Q_CMD_EMPTY;
  1797. __set_bit(RAMROD_COMP_WAIT, &params.ramrod_flags);
  1798. return bnx2x_queue_state_change(bp, &params);
  1799. }
  1800. static void bnx2x_self_test(struct net_device *dev,
  1801. struct ethtool_test *etest, u64 *buf)
  1802. {
  1803. struct bnx2x *bp = netdev_priv(dev);
  1804. u8 is_serdes;
  1805. if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
  1806. netdev_err(bp->dev,
  1807. "Handling parity error recovery. Try again later\n");
  1808. etest->flags |= ETH_TEST_FL_FAILED;
  1809. return;
  1810. }
  1811. memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
  1812. if (!netif_running(dev))
  1813. return;
  1814. /* offline tests are not supported in MF mode */
  1815. if (IS_MF(bp))
  1816. etest->flags &= ~ETH_TEST_FL_OFFLINE;
  1817. is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
  1818. if (etest->flags & ETH_TEST_FL_OFFLINE) {
  1819. int port = BP_PORT(bp);
  1820. u32 val;
  1821. u8 link_up;
  1822. /* save current value of input enable for TX port IF */
  1823. val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
  1824. /* disable input for TX port IF */
  1825. REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
  1826. link_up = bp->link_vars.link_up;
  1827. bnx2x_nic_unload(bp, UNLOAD_NORMAL);
  1828. bnx2x_nic_load(bp, LOAD_DIAG);
  1829. /* wait until link state is restored */
  1830. bnx2x_wait_for_link(bp, 1, is_serdes);
  1831. if (bnx2x_test_registers(bp) != 0) {
  1832. buf[0] = 1;
  1833. etest->flags |= ETH_TEST_FL_FAILED;
  1834. }
  1835. if (bnx2x_test_memory(bp) != 0) {
  1836. buf[1] = 1;
  1837. etest->flags |= ETH_TEST_FL_FAILED;
  1838. }
  1839. buf[2] = bnx2x_test_loopback(bp);
  1840. if (buf[2] != 0)
  1841. etest->flags |= ETH_TEST_FL_FAILED;
  1842. bnx2x_nic_unload(bp, UNLOAD_NORMAL);
  1843. /* restore input for TX port IF */
  1844. REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
  1845. bnx2x_nic_load(bp, LOAD_NORMAL);
  1846. /* wait until link state is restored */
  1847. bnx2x_wait_for_link(bp, link_up, is_serdes);
  1848. }
  1849. if (bnx2x_test_nvram(bp) != 0) {
  1850. buf[3] = 1;
  1851. etest->flags |= ETH_TEST_FL_FAILED;
  1852. }
  1853. if (bnx2x_test_intr(bp) != 0) {
  1854. buf[4] = 1;
  1855. etest->flags |= ETH_TEST_FL_FAILED;
  1856. }
  1857. if (bnx2x_link_test(bp, is_serdes) != 0) {
  1858. buf[5] = 1;
  1859. etest->flags |= ETH_TEST_FL_FAILED;
  1860. }
  1861. #ifdef BNX2X_EXTRA_DEBUG
  1862. bnx2x_panic_dump(bp);
  1863. #endif
  1864. }
  1865. #define IS_PORT_STAT(i) \
  1866. ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
  1867. #define IS_FUNC_STAT(i) (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
  1868. #define IS_MF_MODE_STAT(bp) \
  1869. (IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS))
  1870. /* ethtool statistics are displayed for all regular ethernet queues and the
  1871. * fcoe L2 queue if not disabled
  1872. */
  1873. static int bnx2x_num_stat_queues(struct bnx2x *bp)
  1874. {
  1875. return BNX2X_NUM_ETH_QUEUES(bp);
  1876. }
  1877. static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
  1878. {
  1879. struct bnx2x *bp = netdev_priv(dev);
  1880. int i, num_stats;
  1881. switch (stringset) {
  1882. case ETH_SS_STATS:
  1883. if (is_multi(bp)) {
  1884. num_stats = bnx2x_num_stat_queues(bp) *
  1885. BNX2X_NUM_Q_STATS;
  1886. } else
  1887. num_stats = 0;
  1888. if (IS_MF_MODE_STAT(bp)) {
  1889. for (i = 0; i < BNX2X_NUM_STATS; i++)
  1890. if (IS_FUNC_STAT(i))
  1891. num_stats++;
  1892. } else
  1893. num_stats += BNX2X_NUM_STATS;
  1894. return num_stats;
  1895. case ETH_SS_TEST:
  1896. return BNX2X_NUM_TESTS;
  1897. default:
  1898. return -EINVAL;
  1899. }
  1900. }
  1901. static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
  1902. {
  1903. struct bnx2x *bp = netdev_priv(dev);
  1904. int i, j, k;
  1905. char queue_name[MAX_QUEUE_NAME_LEN+1];
  1906. switch (stringset) {
  1907. case ETH_SS_STATS:
  1908. k = 0;
  1909. if (is_multi(bp)) {
  1910. for_each_eth_queue(bp, i) {
  1911. memset(queue_name, 0, sizeof(queue_name));
  1912. sprintf(queue_name, "%d", i);
  1913. for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
  1914. snprintf(buf + (k + j)*ETH_GSTRING_LEN,
  1915. ETH_GSTRING_LEN,
  1916. bnx2x_q_stats_arr[j].string,
  1917. queue_name);
  1918. k += BNX2X_NUM_Q_STATS;
  1919. }
  1920. }
  1921. for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
  1922. if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
  1923. continue;
  1924. strcpy(buf + (k + j)*ETH_GSTRING_LEN,
  1925. bnx2x_stats_arr[i].string);
  1926. j++;
  1927. }
  1928. break;
  1929. case ETH_SS_TEST:
  1930. memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
  1931. break;
  1932. }
  1933. }
  1934. static void bnx2x_get_ethtool_stats(struct net_device *dev,
  1935. struct ethtool_stats *stats, u64 *buf)
  1936. {
  1937. struct bnx2x *bp = netdev_priv(dev);
  1938. u32 *hw_stats, *offset;
  1939. int i, j, k = 0;
  1940. if (is_multi(bp)) {
  1941. for_each_eth_queue(bp, i) {
  1942. hw_stats = (u32 *)&bp->fp[i].eth_q_stats;
  1943. for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
  1944. if (bnx2x_q_stats_arr[j].size == 0) {
  1945. /* skip this counter */
  1946. buf[k + j] = 0;
  1947. continue;
  1948. }
  1949. offset = (hw_stats +
  1950. bnx2x_q_stats_arr[j].offset);
  1951. if (bnx2x_q_stats_arr[j].size == 4) {
  1952. /* 4-byte counter */
  1953. buf[k + j] = (u64) *offset;
  1954. continue;
  1955. }
  1956. /* 8-byte counter */
  1957. buf[k + j] = HILO_U64(*offset, *(offset + 1));
  1958. }
  1959. k += BNX2X_NUM_Q_STATS;
  1960. }
  1961. }
  1962. hw_stats = (u32 *)&bp->eth_stats;
  1963. for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
  1964. if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
  1965. continue;
  1966. if (bnx2x_stats_arr[i].size == 0) {
  1967. /* skip this counter */
  1968. buf[k + j] = 0;
  1969. j++;
  1970. continue;
  1971. }
  1972. offset = (hw_stats + bnx2x_stats_arr[i].offset);
  1973. if (bnx2x_stats_arr[i].size == 4) {
  1974. /* 4-byte counter */
  1975. buf[k + j] = (u64) *offset;
  1976. j++;
  1977. continue;
  1978. }
  1979. /* 8-byte counter */
  1980. buf[k + j] = HILO_U64(*offset, *(offset + 1));
  1981. j++;
  1982. }
  1983. }
  1984. static int bnx2x_set_phys_id(struct net_device *dev,
  1985. enum ethtool_phys_id_state state)
  1986. {
  1987. struct bnx2x *bp = netdev_priv(dev);
  1988. if (!netif_running(dev)) {
  1989. DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
  1990. "cannot access eeprom when the interface is down\n");
  1991. return -EAGAIN;
  1992. }
  1993. if (!bp->port.pmf) {
  1994. DP(BNX2X_MSG_ETHTOOL, "Interface is not pmf\n");
  1995. return -EOPNOTSUPP;
  1996. }
  1997. switch (state) {
  1998. case ETHTOOL_ID_ACTIVE:
  1999. return 1; /* cycle on/off once per second */
  2000. case ETHTOOL_ID_ON:
  2001. bnx2x_set_led(&bp->link_params, &bp->link_vars,
  2002. LED_MODE_ON, SPEED_1000);
  2003. break;
  2004. case ETHTOOL_ID_OFF:
  2005. bnx2x_set_led(&bp->link_params, &bp->link_vars,
  2006. LED_MODE_FRONT_PANEL_OFF, 0);
  2007. break;
  2008. case ETHTOOL_ID_INACTIVE:
  2009. bnx2x_set_led(&bp->link_params, &bp->link_vars,
  2010. LED_MODE_OPER,
  2011. bp->link_vars.line_speed);
  2012. }
  2013. return 0;
  2014. }
  2015. static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
  2016. u32 *rules __always_unused)
  2017. {
  2018. struct bnx2x *bp = netdev_priv(dev);
  2019. switch (info->cmd) {
  2020. case ETHTOOL_GRXRINGS:
  2021. info->data = BNX2X_NUM_ETH_QUEUES(bp);
  2022. return 0;
  2023. default:
  2024. DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
  2025. return -EOPNOTSUPP;
  2026. }
  2027. }
  2028. static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
  2029. {
  2030. return T_ETH_INDIRECTION_TABLE_SIZE;
  2031. }
  2032. static int bnx2x_get_rxfh_indir(struct net_device *dev, u32 *indir)
  2033. {
  2034. struct bnx2x *bp = netdev_priv(dev);
  2035. u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
  2036. size_t i;
  2037. /* Get the current configuration of the RSS indirection table */
  2038. bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);
  2039. /*
  2040. * We can't use a memcpy() as an internal storage of an
  2041. * indirection table is a u8 array while indir->ring_index
  2042. * points to an array of u32.
  2043. *
  2044. * Indirection table contains the FW Client IDs, so we need to
  2045. * align the returned table to the Client ID of the leading RSS
  2046. * queue.
  2047. */
  2048. for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
  2049. indir[i] = ind_table[i] - bp->fp->cl_id;
  2050. return 0;
  2051. }
  2052. static int bnx2x_set_rxfh_indir(struct net_device *dev, const u32 *indir)
  2053. {
  2054. struct bnx2x *bp = netdev_priv(dev);
  2055. size_t i;
  2056. u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
  2057. for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
  2058. /*
  2059. * The same as in bnx2x_get_rxfh_indir: we can't use a memcpy()
  2060. * as an internal storage of an indirection table is a u8 array
  2061. * while indir->ring_index points to an array of u32.
  2062. *
  2063. * Indirection table contains the FW Client IDs, so we need to
  2064. * align the received table to the Client ID of the leading RSS
  2065. * queue
  2066. */
  2067. ind_table[i] = indir[i] + bp->fp->cl_id;
  2068. }
  2069. return bnx2x_config_rss_eth(bp, ind_table, false);
  2070. }
  2071. static const struct ethtool_ops bnx2x_ethtool_ops = {
  2072. .get_settings = bnx2x_get_settings,
  2073. .set_settings = bnx2x_set_settings,
  2074. .get_drvinfo = bnx2x_get_drvinfo,
  2075. .get_regs_len = bnx2x_get_regs_len,
  2076. .get_regs = bnx2x_get_regs,
  2077. .get_wol = bnx2x_get_wol,
  2078. .set_wol = bnx2x_set_wol,
  2079. .get_msglevel = bnx2x_get_msglevel,
  2080. .set_msglevel = bnx2x_set_msglevel,
  2081. .nway_reset = bnx2x_nway_reset,
  2082. .get_link = bnx2x_get_link,
  2083. .get_eeprom_len = bnx2x_get_eeprom_len,
  2084. .get_eeprom = bnx2x_get_eeprom,
  2085. .set_eeprom = bnx2x_set_eeprom,
  2086. .get_coalesce = bnx2x_get_coalesce,
  2087. .set_coalesce = bnx2x_set_coalesce,
  2088. .get_ringparam = bnx2x_get_ringparam,
  2089. .set_ringparam = bnx2x_set_ringparam,
  2090. .get_pauseparam = bnx2x_get_pauseparam,
  2091. .set_pauseparam = bnx2x_set_pauseparam,
  2092. .self_test = bnx2x_self_test,
  2093. .get_sset_count = bnx2x_get_sset_count,
  2094. .get_strings = bnx2x_get_strings,
  2095. .set_phys_id = bnx2x_set_phys_id,
  2096. .get_ethtool_stats = bnx2x_get_ethtool_stats,
  2097. .get_rxnfc = bnx2x_get_rxnfc,
  2098. .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size,
  2099. .get_rxfh_indir = bnx2x_get_rxfh_indir,
  2100. .set_rxfh_indir = bnx2x_set_rxfh_indir,
  2101. };
  2102. void bnx2x_set_ethtool_ops(struct net_device *netdev)
  2103. {
  2104. SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops);
  2105. }