1 /* bnx2x_ethtool.c: QLogic Everest network driver. 2 * 3 * Copyright (c) 2007-2013 Broadcom Corporation 4 * Copyright (c) 2014 QLogic Corporation 5 * All rights reserved 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation. 10 * 11 * Maintained by: Ariel Elior <ariel.elior@qlogic.com> 12 * Written by: Eliezer Tamir 13 * Based on code from Michael Chan's bnx2 driver 14 * UDP CSUM errata workaround by Arik Gendelman 15 * Slowpath and fastpath rework by Vladislav Zolotarov 16 * Statistics and Link management by Yitchak Gertner 17 * 18 */ 19 20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 21 22 #include <linux/ethtool.h> 23 #include <linux/netdevice.h> 24 #include <linux/types.h> 25 #include <linux/sched.h> 26 #include <linux/crc32.h> 27 #include "bnx2x.h" 28 #include "bnx2x_cmn.h" 29 #include "bnx2x_dump.h" 30 #include "bnx2x_init.h" 31 32 /* Note: in the format strings below %s is replaced by the queue-name which is 33 * either its index or 'fcoe' for the fcoe queue. Make sure the format string 34 * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2 35 */ 36 #define MAX_QUEUE_NAME_LEN 4 37 static const struct { 38 long offset; 39 int size; 40 char string[ETH_GSTRING_LEN]; 41 } bnx2x_q_stats_arr[] = { 42 /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" }, 43 { Q_STATS_OFFSET32(total_unicast_packets_received_hi), 44 8, "[%s]: rx_ucast_packets" }, 45 { Q_STATS_OFFSET32(total_multicast_packets_received_hi), 46 8, "[%s]: rx_mcast_packets" }, 47 { Q_STATS_OFFSET32(total_broadcast_packets_received_hi), 48 8, "[%s]: rx_bcast_packets" }, 49 { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%s]: rx_discards" }, 50 { Q_STATS_OFFSET32(rx_err_discard_pkt), 51 4, "[%s]: rx_phy_ip_err_discards"}, 52 { Q_STATS_OFFSET32(rx_skb_alloc_failed), 53 4, "[%s]: rx_skb_alloc_discard" }, 54 { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" }, 55 { Q_STATS_OFFSET32(driver_xoff), 4, "[%s]: tx_exhaustion_events" }, 56 { Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" }, 57 /* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi), 58 8, "[%s]: tx_ucast_packets" }, 59 { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi), 60 8, "[%s]: tx_mcast_packets" }, 61 { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi), 62 8, "[%s]: tx_bcast_packets" }, 63 { Q_STATS_OFFSET32(total_tpa_aggregations_hi), 64 8, "[%s]: tpa_aggregations" }, 65 { Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi), 66 8, "[%s]: tpa_aggregated_frames"}, 67 { Q_STATS_OFFSET32(total_tpa_bytes_hi), 8, "[%s]: tpa_bytes"}, 68 { Q_STATS_OFFSET32(driver_filtered_tx_pkt), 69 4, "[%s]: driver_filtered_tx_pkt" } 70 }; 71 72 #define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr) 73 74 static const struct { 75 long offset; 76 int size; 77 bool is_port_stat; 78 char string[ETH_GSTRING_LEN]; 79 } bnx2x_stats_arr[] = { 80 /* 1 */ { STATS_OFFSET32(total_bytes_received_hi), 81 8, false, "rx_bytes" }, 82 { STATS_OFFSET32(error_bytes_received_hi), 83 8, false, "rx_error_bytes" }, 84 { STATS_OFFSET32(total_unicast_packets_received_hi), 85 8, false, "rx_ucast_packets" }, 86 { STATS_OFFSET32(total_multicast_packets_received_hi), 87 8, false, "rx_mcast_packets" }, 88 { STATS_OFFSET32(total_broadcast_packets_received_hi), 89 8, false, "rx_bcast_packets" }, 90 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi), 91 8, true, "rx_crc_errors" }, 92 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi), 93 8, true, "rx_align_errors" }, 94 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi), 95 8, true, "rx_undersize_packets" }, 96 { STATS_OFFSET32(etherstatsoverrsizepkts_hi), 97 8, true, "rx_oversize_packets" }, 98 /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi), 99 8, true, "rx_fragments" }, 100 { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi), 101 8, true, "rx_jabbers" }, 102 { STATS_OFFSET32(no_buff_discard_hi), 103 8, false, "rx_discards" }, 104 { STATS_OFFSET32(mac_filter_discard), 105 4, true, "rx_filtered_packets" }, 106 { STATS_OFFSET32(mf_tag_discard), 107 4, true, "rx_mf_tag_discard" }, 108 { STATS_OFFSET32(pfc_frames_received_hi), 109 8, true, "pfc_frames_received" }, 110 { STATS_OFFSET32(pfc_frames_sent_hi), 111 8, true, "pfc_frames_sent" }, 112 { STATS_OFFSET32(brb_drop_hi), 113 8, true, "rx_brb_discard" }, 114 { STATS_OFFSET32(brb_truncate_hi), 115 8, true, "rx_brb_truncate" }, 116 { STATS_OFFSET32(pause_frames_received_hi), 117 8, true, "rx_pause_frames" }, 118 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi), 119 8, true, "rx_mac_ctrl_frames" }, 120 { STATS_OFFSET32(nig_timer_max), 121 4, true, "rx_constant_pause_events" }, 122 /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt), 123 4, false, "rx_phy_ip_err_discards"}, 124 { STATS_OFFSET32(rx_skb_alloc_failed), 125 4, false, "rx_skb_alloc_discard" }, 126 { STATS_OFFSET32(hw_csum_err), 127 4, false, "rx_csum_offload_errors" }, 128 { STATS_OFFSET32(driver_xoff), 129 4, false, "tx_exhaustion_events" }, 130 { STATS_OFFSET32(total_bytes_transmitted_hi), 131 8, false, "tx_bytes" }, 132 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), 133 8, true, "tx_error_bytes" }, 134 { STATS_OFFSET32(total_unicast_packets_transmitted_hi), 135 8, false, "tx_ucast_packets" }, 136 { STATS_OFFSET32(total_multicast_packets_transmitted_hi), 137 8, false, "tx_mcast_packets" }, 138 { STATS_OFFSET32(total_broadcast_packets_transmitted_hi), 139 8, false, "tx_bcast_packets" }, 140 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi), 141 8, true, "tx_mac_errors" }, 142 { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi), 143 8, true, "tx_carrier_errors" }, 144 /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi), 145 8, true, "tx_single_collisions" }, 146 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi), 147 8, true, "tx_multi_collisions" }, 148 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi), 149 8, true, "tx_deferred" }, 150 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi), 151 8, true, "tx_excess_collisions" }, 152 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi), 153 8, true, "tx_late_collisions" }, 154 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi), 155 8, true, "tx_total_collisions" }, 156 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi), 157 8, true, "tx_64_byte_packets" }, 158 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi), 159 8, true, "tx_65_to_127_byte_packets" }, 160 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi), 161 8, true, "tx_128_to_255_byte_packets" }, 162 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi), 163 8, true, "tx_256_to_511_byte_packets" }, 164 /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi), 165 8, true, "tx_512_to_1023_byte_packets" }, 166 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi), 167 8, true, "tx_1024_to_1522_byte_packets" }, 168 { STATS_OFFSET32(etherstatspktsover1522octets_hi), 169 8, true, "tx_1523_to_9022_byte_packets" }, 170 { STATS_OFFSET32(pause_frames_sent_hi), 171 8, true, "tx_pause_frames" }, 172 { STATS_OFFSET32(total_tpa_aggregations_hi), 173 8, false, "tpa_aggregations" }, 174 { STATS_OFFSET32(total_tpa_aggregated_frames_hi), 175 8, false, "tpa_aggregated_frames"}, 176 { STATS_OFFSET32(total_tpa_bytes_hi), 177 8, false, "tpa_bytes"}, 178 { STATS_OFFSET32(recoverable_error), 179 4, false, "recoverable_errors" }, 180 { STATS_OFFSET32(unrecoverable_error), 181 4, false, "unrecoverable_errors" }, 182 { STATS_OFFSET32(driver_filtered_tx_pkt), 183 4, false, "driver_filtered_tx_pkt" }, 184 { STATS_OFFSET32(eee_tx_lpi), 185 4, true, "Tx LPI entry count"}, 186 { STATS_OFFSET32(ptp_skip_tx_ts), 187 4, false, "ptp_skipped_tx_tstamp" }, 188 }; 189 190 #define BNX2X_NUM_STATS ARRAY_SIZE(bnx2x_stats_arr) 191 192 static int bnx2x_get_port_type(struct bnx2x *bp) 193 { 194 int port_type; 195 u32 phy_idx = bnx2x_get_cur_phy_idx(bp); 196 switch (bp->link_params.phy[phy_idx].media_type) { 197 case ETH_PHY_SFPP_10G_FIBER: 198 case ETH_PHY_SFP_1G_FIBER: 199 case ETH_PHY_XFP_FIBER: 200 case ETH_PHY_KR: 201 case ETH_PHY_CX4: 202 port_type = PORT_FIBRE; 203 break; 204 case ETH_PHY_DA_TWINAX: 205 port_type = PORT_DA; 206 break; 207 case ETH_PHY_BASE_T: 208 port_type = PORT_TP; 209 break; 210 case ETH_PHY_NOT_PRESENT: 211 port_type = PORT_NONE; 212 break; 213 case ETH_PHY_UNSPECIFIED: 214 default: 215 port_type = PORT_OTHER; 216 break; 217 } 218 return port_type; 219 } 220 221 static int bnx2x_get_vf_link_ksettings(struct net_device *dev, 222 struct ethtool_link_ksettings *cmd) 223 { 224 struct bnx2x *bp = netdev_priv(dev); 225 u32 supported, advertising; 226 227 ethtool_convert_link_mode_to_legacy_u32(&supported, 228 cmd->link_modes.supported); 229 ethtool_convert_link_mode_to_legacy_u32(&advertising, 230 cmd->link_modes.advertising); 231 232 if (bp->state == BNX2X_STATE_OPEN) { 233 if (test_bit(BNX2X_LINK_REPORT_FD, 234 &bp->vf_link_vars.link_report_flags)) 235 cmd->base.duplex = DUPLEX_FULL; 236 else 237 cmd->base.duplex = DUPLEX_HALF; 238 239 cmd->base.speed = bp->vf_link_vars.line_speed; 240 } else { 241 cmd->base.duplex = DUPLEX_UNKNOWN; 242 cmd->base.speed = SPEED_UNKNOWN; 243 } 244 245 cmd->base.port = PORT_OTHER; 246 cmd->base.phy_address = 0; 247 cmd->base.autoneg = AUTONEG_DISABLE; 248 249 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n" 250 " supported 0x%x advertising 0x%x speed %u\n" 251 " duplex %d port %d phy_address %d\n" 252 " autoneg %d\n", 253 cmd->base.cmd, supported, advertising, 254 cmd->base.speed, 255 cmd->base.duplex, cmd->base.port, cmd->base.phy_address, 256 cmd->base.autoneg); 257 258 return 0; 259 } 260 261 static int bnx2x_get_link_ksettings(struct net_device *dev, 262 struct ethtool_link_ksettings *cmd) 263 { 264 struct bnx2x *bp = netdev_priv(dev); 265 int cfg_idx = bnx2x_get_link_cfg_idx(bp); 266 u32 media_type; 267 u32 supported, advertising, lp_advertising; 268 269 ethtool_convert_link_mode_to_legacy_u32(&lp_advertising, 270 cmd->link_modes.lp_advertising); 271 272 /* Dual Media boards present all available port types */ 273 supported = bp->port.supported[cfg_idx] | 274 (bp->port.supported[cfg_idx ^ 1] & 275 (SUPPORTED_TP | SUPPORTED_FIBRE)); 276 advertising = bp->port.advertising[cfg_idx]; 277 media_type = bp->link_params.phy[bnx2x_get_cur_phy_idx(bp)].media_type; 278 if (media_type == ETH_PHY_SFP_1G_FIBER) { 279 supported &= ~(SUPPORTED_10000baseT_Full); 280 advertising &= ~(ADVERTISED_10000baseT_Full); 281 } 282 283 if ((bp->state == BNX2X_STATE_OPEN) && bp->link_vars.link_up && 284 !(bp->flags & MF_FUNC_DIS)) { 285 cmd->base.duplex = bp->link_vars.duplex; 286 287 if (IS_MF(bp) && !BP_NOMCP(bp)) 288 cmd->base.speed = bnx2x_get_mf_speed(bp); 289 else 290 cmd->base.speed = bp->link_vars.line_speed; 291 } else { 292 cmd->base.duplex = DUPLEX_UNKNOWN; 293 cmd->base.speed = SPEED_UNKNOWN; 294 } 295 296 cmd->base.port = bnx2x_get_port_type(bp); 297 298 cmd->base.phy_address = bp->mdio.prtad; 299 300 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) 301 cmd->base.autoneg = AUTONEG_ENABLE; 302 else 303 cmd->base.autoneg = AUTONEG_DISABLE; 304 305 /* Publish LP advertised speeds and FC */ 306 if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 307 u32 status = bp->link_vars.link_status; 308 309 lp_advertising |= ADVERTISED_Autoneg; 310 if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE) 311 lp_advertising |= ADVERTISED_Pause; 312 if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE) 313 lp_advertising |= ADVERTISED_Asym_Pause; 314 315 if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE) 316 lp_advertising |= ADVERTISED_10baseT_Half; 317 if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE) 318 lp_advertising |= ADVERTISED_10baseT_Full; 319 if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE) 320 lp_advertising |= ADVERTISED_100baseT_Half; 321 if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE) 322 lp_advertising |= ADVERTISED_100baseT_Full; 323 if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) 324 lp_advertising |= ADVERTISED_1000baseT_Half; 325 if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) { 326 if (media_type == ETH_PHY_KR) { 327 lp_advertising |= 328 ADVERTISED_1000baseKX_Full; 329 } else { 330 lp_advertising |= 331 ADVERTISED_1000baseT_Full; 332 } 333 } 334 if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE) 335 lp_advertising |= ADVERTISED_2500baseX_Full; 336 if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE) { 337 if (media_type == ETH_PHY_KR) { 338 lp_advertising |= 339 ADVERTISED_10000baseKR_Full; 340 } else { 341 lp_advertising |= 342 ADVERTISED_10000baseT_Full; 343 } 344 } 345 if (status & LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE) 346 lp_advertising |= ADVERTISED_20000baseKR2_Full; 347 } 348 349 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 350 supported); 351 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 352 advertising); 353 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising, 354 lp_advertising); 355 356 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n" 357 " supported 0x%x advertising 0x%x speed %u\n" 358 " duplex %d port %d phy_address %d\n" 359 " autoneg %d\n", 360 cmd->base.cmd, supported, advertising, 361 cmd->base.speed, 362 cmd->base.duplex, cmd->base.port, cmd->base.phy_address, 363 cmd->base.autoneg); 364 365 return 0; 366 } 367 368 static int bnx2x_set_link_ksettings(struct net_device *dev, 369 const struct ethtool_link_ksettings *cmd) 370 { 371 struct bnx2x *bp = netdev_priv(dev); 372 u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config; 373 u32 speed, phy_idx; 374 u32 supported; 375 u8 duplex = cmd->base.duplex; 376 377 ethtool_convert_link_mode_to_legacy_u32(&supported, 378 cmd->link_modes.supported); 379 ethtool_convert_link_mode_to_legacy_u32(&advertising, 380 cmd->link_modes.advertising); 381 382 if (IS_MF_SD(bp)) 383 return 0; 384 385 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n" 386 " supported 0x%x advertising 0x%x speed %u\n" 387 " duplex %d port %d phy_address %d\n" 388 " autoneg %d\n", 389 cmd->base.cmd, supported, advertising, 390 cmd->base.speed, 391 cmd->base.duplex, cmd->base.port, cmd->base.phy_address, 392 cmd->base.autoneg); 393 394 speed = cmd->base.speed; 395 396 /* If received a request for an unknown duplex, assume full*/ 397 if (duplex == DUPLEX_UNKNOWN) 398 duplex = DUPLEX_FULL; 399 400 if (IS_MF_SI(bp)) { 401 u32 part; 402 u32 line_speed = bp->link_vars.line_speed; 403 404 /* use 10G if no link detected */ 405 if (!line_speed) 406 line_speed = 10000; 407 408 if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) { 409 DP(BNX2X_MSG_ETHTOOL, 410 "To set speed BC %X or higher is required, please upgrade BC\n", 411 REQ_BC_VER_4_SET_MF_BW); 412 return -EINVAL; 413 } 414 415 part = (speed * 100) / line_speed; 416 417 if (line_speed < speed || !part) { 418 DP(BNX2X_MSG_ETHTOOL, 419 "Speed setting should be in a range from 1%% to 100%% of actual line speed\n"); 420 return -EINVAL; 421 } 422 423 if (bp->state != BNX2X_STATE_OPEN) 424 /* store value for following "load" */ 425 bp->pending_max = part; 426 else 427 bnx2x_update_max_mf_config(bp, part); 428 429 return 0; 430 } 431 432 cfg_idx = bnx2x_get_link_cfg_idx(bp); 433 old_multi_phy_config = bp->link_params.multi_phy_config; 434 if (cmd->base.port != bnx2x_get_port_type(bp)) { 435 switch (cmd->base.port) { 436 case PORT_TP: 437 if (!(bp->port.supported[0] & SUPPORTED_TP || 438 bp->port.supported[1] & SUPPORTED_TP)) { 439 DP(BNX2X_MSG_ETHTOOL, 440 "Unsupported port type\n"); 441 return -EINVAL; 442 } 443 bp->link_params.multi_phy_config &= 444 ~PORT_HW_CFG_PHY_SELECTION_MASK; 445 if (bp->link_params.multi_phy_config & 446 PORT_HW_CFG_PHY_SWAPPED_ENABLED) 447 bp->link_params.multi_phy_config |= 448 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 449 else 450 bp->link_params.multi_phy_config |= 451 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 452 break; 453 case PORT_FIBRE: 454 case PORT_DA: 455 case PORT_NONE: 456 if (!(bp->port.supported[0] & SUPPORTED_FIBRE || 457 bp->port.supported[1] & SUPPORTED_FIBRE)) { 458 DP(BNX2X_MSG_ETHTOOL, 459 "Unsupported port type\n"); 460 return -EINVAL; 461 } 462 bp->link_params.multi_phy_config &= 463 ~PORT_HW_CFG_PHY_SELECTION_MASK; 464 if (bp->link_params.multi_phy_config & 465 PORT_HW_CFG_PHY_SWAPPED_ENABLED) 466 bp->link_params.multi_phy_config |= 467 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 468 else 469 bp->link_params.multi_phy_config |= 470 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 471 break; 472 default: 473 DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n"); 474 return -EINVAL; 475 } 476 } 477 /* Save new config in case command complete successfully */ 478 new_multi_phy_config = bp->link_params.multi_phy_config; 479 /* Get the new cfg_idx */ 480 cfg_idx = bnx2x_get_link_cfg_idx(bp); 481 /* Restore old config in case command failed */ 482 bp->link_params.multi_phy_config = old_multi_phy_config; 483 DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx); 484 485 if (cmd->base.autoneg == AUTONEG_ENABLE) { 486 u32 an_supported_speed = bp->port.supported[cfg_idx]; 487 if (bp->link_params.phy[EXT_PHY1].type == 488 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) 489 an_supported_speed |= (SUPPORTED_100baseT_Half | 490 SUPPORTED_100baseT_Full); 491 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) { 492 DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n"); 493 return -EINVAL; 494 } 495 496 /* advertise the requested speed and duplex if supported */ 497 if (advertising & ~an_supported_speed) { 498 DP(BNX2X_MSG_ETHTOOL, 499 "Advertisement parameters are not supported\n"); 500 return -EINVAL; 501 } 502 503 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG; 504 bp->link_params.req_duplex[cfg_idx] = duplex; 505 bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg | 506 advertising); 507 if (advertising) { 508 509 bp->link_params.speed_cap_mask[cfg_idx] = 0; 510 if (advertising & ADVERTISED_10baseT_Half) { 511 bp->link_params.speed_cap_mask[cfg_idx] |= 512 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF; 513 } 514 if (advertising & ADVERTISED_10baseT_Full) 515 bp->link_params.speed_cap_mask[cfg_idx] |= 516 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL; 517 518 if (advertising & ADVERTISED_100baseT_Full) 519 bp->link_params.speed_cap_mask[cfg_idx] |= 520 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL; 521 522 if (advertising & ADVERTISED_100baseT_Half) { 523 bp->link_params.speed_cap_mask[cfg_idx] |= 524 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF; 525 } 526 if (advertising & ADVERTISED_1000baseT_Half) { 527 bp->link_params.speed_cap_mask[cfg_idx] |= 528 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; 529 } 530 if (advertising & (ADVERTISED_1000baseT_Full | 531 ADVERTISED_1000baseKX_Full)) 532 bp->link_params.speed_cap_mask[cfg_idx] |= 533 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; 534 535 if (advertising & (ADVERTISED_10000baseT_Full | 536 ADVERTISED_10000baseKX4_Full | 537 ADVERTISED_10000baseKR_Full)) 538 bp->link_params.speed_cap_mask[cfg_idx] |= 539 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G; 540 541 if (advertising & ADVERTISED_20000baseKR2_Full) 542 bp->link_params.speed_cap_mask[cfg_idx] |= 543 PORT_HW_CFG_SPEED_CAPABILITY_D0_20G; 544 } 545 } else { /* forced speed */ 546 /* advertise the requested speed and duplex if supported */ 547 switch (speed) { 548 case SPEED_10: 549 if (duplex == DUPLEX_FULL) { 550 if (!(bp->port.supported[cfg_idx] & 551 SUPPORTED_10baseT_Full)) { 552 DP(BNX2X_MSG_ETHTOOL, 553 "10M full not supported\n"); 554 return -EINVAL; 555 } 556 557 advertising = (ADVERTISED_10baseT_Full | 558 ADVERTISED_TP); 559 } else { 560 if (!(bp->port.supported[cfg_idx] & 561 SUPPORTED_10baseT_Half)) { 562 DP(BNX2X_MSG_ETHTOOL, 563 "10M half not supported\n"); 564 return -EINVAL; 565 } 566 567 advertising = (ADVERTISED_10baseT_Half | 568 ADVERTISED_TP); 569 } 570 break; 571 572 case SPEED_100: 573 if (duplex == DUPLEX_FULL) { 574 if (!(bp->port.supported[cfg_idx] & 575 SUPPORTED_100baseT_Full)) { 576 DP(BNX2X_MSG_ETHTOOL, 577 "100M full not supported\n"); 578 return -EINVAL; 579 } 580 581 advertising = (ADVERTISED_100baseT_Full | 582 ADVERTISED_TP); 583 } else { 584 if (!(bp->port.supported[cfg_idx] & 585 SUPPORTED_100baseT_Half)) { 586 DP(BNX2X_MSG_ETHTOOL, 587 "100M half not supported\n"); 588 return -EINVAL; 589 } 590 591 advertising = (ADVERTISED_100baseT_Half | 592 ADVERTISED_TP); 593 } 594 break; 595 596 case SPEED_1000: 597 if (duplex != DUPLEX_FULL) { 598 DP(BNX2X_MSG_ETHTOOL, 599 "1G half not supported\n"); 600 return -EINVAL; 601 } 602 603 if (bp->port.supported[cfg_idx] & 604 SUPPORTED_1000baseT_Full) { 605 advertising = (ADVERTISED_1000baseT_Full | 606 ADVERTISED_TP); 607 608 } else if (bp->port.supported[cfg_idx] & 609 SUPPORTED_1000baseKX_Full) { 610 advertising = ADVERTISED_1000baseKX_Full; 611 } else { 612 DP(BNX2X_MSG_ETHTOOL, 613 "1G full not supported\n"); 614 return -EINVAL; 615 } 616 617 break; 618 619 case SPEED_2500: 620 if (duplex != DUPLEX_FULL) { 621 DP(BNX2X_MSG_ETHTOOL, 622 "2.5G half not supported\n"); 623 return -EINVAL; 624 } 625 626 if (!(bp->port.supported[cfg_idx] 627 & SUPPORTED_2500baseX_Full)) { 628 DP(BNX2X_MSG_ETHTOOL, 629 "2.5G full not supported\n"); 630 return -EINVAL; 631 } 632 633 advertising = (ADVERTISED_2500baseX_Full | 634 ADVERTISED_TP); 635 break; 636 637 case SPEED_10000: 638 if (duplex != DUPLEX_FULL) { 639 DP(BNX2X_MSG_ETHTOOL, 640 "10G half not supported\n"); 641 return -EINVAL; 642 } 643 phy_idx = bnx2x_get_cur_phy_idx(bp); 644 if ((bp->port.supported[cfg_idx] & 645 SUPPORTED_10000baseT_Full) && 646 (bp->link_params.phy[phy_idx].media_type != 647 ETH_PHY_SFP_1G_FIBER)) { 648 advertising = (ADVERTISED_10000baseT_Full | 649 ADVERTISED_FIBRE); 650 } else if (bp->port.supported[cfg_idx] & 651 SUPPORTED_10000baseKR_Full) { 652 advertising = (ADVERTISED_10000baseKR_Full | 653 ADVERTISED_FIBRE); 654 } else { 655 DP(BNX2X_MSG_ETHTOOL, 656 "10G full not supported\n"); 657 return -EINVAL; 658 } 659 660 break; 661 662 default: 663 DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed); 664 return -EINVAL; 665 } 666 667 bp->link_params.req_line_speed[cfg_idx] = speed; 668 bp->link_params.req_duplex[cfg_idx] = duplex; 669 bp->port.advertising[cfg_idx] = advertising; 670 } 671 672 DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n" 673 " req_duplex %d advertising 0x%x\n", 674 bp->link_params.req_line_speed[cfg_idx], 675 bp->link_params.req_duplex[cfg_idx], 676 bp->port.advertising[cfg_idx]); 677 678 /* Set new config */ 679 bp->link_params.multi_phy_config = new_multi_phy_config; 680 if (netif_running(dev)) { 681 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 682 bnx2x_force_link_reset(bp); 683 bnx2x_link_set(bp); 684 } 685 686 return 0; 687 } 688 689 #define DUMP_ALL_PRESETS 0x1FFF 690 #define DUMP_MAX_PRESETS 13 691 692 static int __bnx2x_get_preset_regs_len(struct bnx2x *bp, u32 preset) 693 { 694 if (CHIP_IS_E1(bp)) 695 return dump_num_registers[0][preset-1]; 696 else if (CHIP_IS_E1H(bp)) 697 return dump_num_registers[1][preset-1]; 698 else if (CHIP_IS_E2(bp)) 699 return dump_num_registers[2][preset-1]; 700 else if (CHIP_IS_E3A0(bp)) 701 return dump_num_registers[3][preset-1]; 702 else if (CHIP_IS_E3B0(bp)) 703 return dump_num_registers[4][preset-1]; 704 else 705 return 0; 706 } 707 708 static int __bnx2x_get_regs_len(struct bnx2x *bp) 709 { 710 u32 preset_idx; 711 int regdump_len = 0; 712 713 /* Calculate the total preset regs length */ 714 for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) 715 regdump_len += __bnx2x_get_preset_regs_len(bp, preset_idx); 716 717 return regdump_len; 718 } 719 720 static int bnx2x_get_regs_len(struct net_device *dev) 721 { 722 struct bnx2x *bp = netdev_priv(dev); 723 int regdump_len = 0; 724 725 if (IS_VF(bp)) 726 return 0; 727 728 regdump_len = __bnx2x_get_regs_len(bp); 729 regdump_len *= 4; 730 regdump_len += sizeof(struct dump_header); 731 732 return regdump_len; 733 } 734 735 #define IS_E1_REG(chips) ((chips & DUMP_CHIP_E1) == DUMP_CHIP_E1) 736 #define IS_E1H_REG(chips) ((chips & DUMP_CHIP_E1H) == DUMP_CHIP_E1H) 737 #define IS_E2_REG(chips) ((chips & DUMP_CHIP_E2) == DUMP_CHIP_E2) 738 #define IS_E3A0_REG(chips) ((chips & DUMP_CHIP_E3A0) == DUMP_CHIP_E3A0) 739 #define IS_E3B0_REG(chips) ((chips & DUMP_CHIP_E3B0) == DUMP_CHIP_E3B0) 740 741 #define IS_REG_IN_PRESET(presets, idx) \ 742 ((presets & (1 << (idx-1))) == (1 << (idx-1))) 743 744 /******* Paged registers info selectors ********/ 745 static const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp) 746 { 747 if (CHIP_IS_E2(bp)) 748 return page_vals_e2; 749 else if (CHIP_IS_E3(bp)) 750 return page_vals_e3; 751 else 752 return NULL; 753 } 754 755 static u32 __bnx2x_get_page_reg_num(struct bnx2x *bp) 756 { 757 if (CHIP_IS_E2(bp)) 758 return PAGE_MODE_VALUES_E2; 759 else if (CHIP_IS_E3(bp)) 760 return PAGE_MODE_VALUES_E3; 761 else 762 return 0; 763 } 764 765 static const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp) 766 { 767 if (CHIP_IS_E2(bp)) 768 return page_write_regs_e2; 769 else if (CHIP_IS_E3(bp)) 770 return page_write_regs_e3; 771 else 772 return NULL; 773 } 774 775 static u32 __bnx2x_get_page_write_num(struct bnx2x *bp) 776 { 777 if (CHIP_IS_E2(bp)) 778 return PAGE_WRITE_REGS_E2; 779 else if (CHIP_IS_E3(bp)) 780 return PAGE_WRITE_REGS_E3; 781 else 782 return 0; 783 } 784 785 static const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp) 786 { 787 if (CHIP_IS_E2(bp)) 788 return page_read_regs_e2; 789 else if (CHIP_IS_E3(bp)) 790 return page_read_regs_e3; 791 else 792 return NULL; 793 } 794 795 static u32 __bnx2x_get_page_read_num(struct bnx2x *bp) 796 { 797 if (CHIP_IS_E2(bp)) 798 return PAGE_READ_REGS_E2; 799 else if (CHIP_IS_E3(bp)) 800 return PAGE_READ_REGS_E3; 801 else 802 return 0; 803 } 804 805 static bool bnx2x_is_reg_in_chip(struct bnx2x *bp, 806 const struct reg_addr *reg_info) 807 { 808 if (CHIP_IS_E1(bp)) 809 return IS_E1_REG(reg_info->chips); 810 else if (CHIP_IS_E1H(bp)) 811 return IS_E1H_REG(reg_info->chips); 812 else if (CHIP_IS_E2(bp)) 813 return IS_E2_REG(reg_info->chips); 814 else if (CHIP_IS_E3A0(bp)) 815 return IS_E3A0_REG(reg_info->chips); 816 else if (CHIP_IS_E3B0(bp)) 817 return IS_E3B0_REG(reg_info->chips); 818 else 819 return false; 820 } 821 822 static bool bnx2x_is_wreg_in_chip(struct bnx2x *bp, 823 const struct wreg_addr *wreg_info) 824 { 825 if (CHIP_IS_E1(bp)) 826 return IS_E1_REG(wreg_info->chips); 827 else if (CHIP_IS_E1H(bp)) 828 return IS_E1H_REG(wreg_info->chips); 829 else if (CHIP_IS_E2(bp)) 830 return IS_E2_REG(wreg_info->chips); 831 else if (CHIP_IS_E3A0(bp)) 832 return IS_E3A0_REG(wreg_info->chips); 833 else if (CHIP_IS_E3B0(bp)) 834 return IS_E3B0_REG(wreg_info->chips); 835 else 836 return false; 837 } 838 839 /** 840 * bnx2x_read_pages_regs - read "paged" registers 841 * 842 * @bp: device handle 843 * @p: output buffer 844 * @preset: the preset value 845 * 846 * Reads "paged" memories: memories that may only be read by first writing to a 847 * specific address ("write address") and then reading from a specific address 848 * ("read address"). There may be more than one write address per "page" and 849 * more than one read address per write address. 850 */ 851 static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p, u32 preset) 852 { 853 u32 i, j, k, n; 854 855 /* addresses of the paged registers */ 856 const u32 *page_addr = __bnx2x_get_page_addr_ar(bp); 857 /* number of paged registers */ 858 int num_pages = __bnx2x_get_page_reg_num(bp); 859 /* write addresses */ 860 const u32 *write_addr = __bnx2x_get_page_write_ar(bp); 861 /* number of write addresses */ 862 int write_num = __bnx2x_get_page_write_num(bp); 863 /* read addresses info */ 864 const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp); 865 /* number of read addresses */ 866 int read_num = __bnx2x_get_page_read_num(bp); 867 u32 addr, size; 868 869 for (i = 0; i < num_pages; i++) { 870 for (j = 0; j < write_num; j++) { 871 REG_WR(bp, write_addr[j], page_addr[i]); 872 873 for (k = 0; k < read_num; k++) { 874 if (IS_REG_IN_PRESET(read_addr[k].presets, 875 preset)) { 876 size = read_addr[k].size; 877 for (n = 0; n < size; n++) { 878 addr = read_addr[k].addr + n*4; 879 *p++ = REG_RD(bp, addr); 880 } 881 } 882 } 883 } 884 } 885 } 886 887 static int __bnx2x_get_preset_regs(struct bnx2x *bp, u32 *p, u32 preset) 888 { 889 u32 i, j, addr; 890 const struct wreg_addr *wreg_addr_p = NULL; 891 892 if (CHIP_IS_E1(bp)) 893 wreg_addr_p = &wreg_addr_e1; 894 else if (CHIP_IS_E1H(bp)) 895 wreg_addr_p = &wreg_addr_e1h; 896 else if (CHIP_IS_E2(bp)) 897 wreg_addr_p = &wreg_addr_e2; 898 else if (CHIP_IS_E3A0(bp)) 899 wreg_addr_p = &wreg_addr_e3; 900 else if (CHIP_IS_E3B0(bp)) 901 wreg_addr_p = &wreg_addr_e3b0; 902 903 /* Read the idle_chk registers */ 904 for (i = 0; i < IDLE_REGS_COUNT; i++) { 905 if (bnx2x_is_reg_in_chip(bp, &idle_reg_addrs[i]) && 906 IS_REG_IN_PRESET(idle_reg_addrs[i].presets, preset)) { 907 for (j = 0; j < idle_reg_addrs[i].size; j++) 908 *p++ = REG_RD(bp, idle_reg_addrs[i].addr + j*4); 909 } 910 } 911 912 /* Read the regular registers */ 913 for (i = 0; i < REGS_COUNT; i++) { 914 if (bnx2x_is_reg_in_chip(bp, ®_addrs[i]) && 915 IS_REG_IN_PRESET(reg_addrs[i].presets, preset)) { 916 for (j = 0; j < reg_addrs[i].size; j++) 917 *p++ = REG_RD(bp, reg_addrs[i].addr + j*4); 918 } 919 } 920 921 /* Read the CAM registers */ 922 if (bnx2x_is_wreg_in_chip(bp, wreg_addr_p) && 923 IS_REG_IN_PRESET(wreg_addr_p->presets, preset)) { 924 for (i = 0; i < wreg_addr_p->size; i++) { 925 *p++ = REG_RD(bp, wreg_addr_p->addr + i*4); 926 927 /* In case of wreg_addr register, read additional 928 registers from read_regs array 929 */ 930 for (j = 0; j < wreg_addr_p->read_regs_count; j++) { 931 addr = *(wreg_addr_p->read_regs); 932 *p++ = REG_RD(bp, addr + j*4); 933 } 934 } 935 } 936 937 /* Paged registers are supported in E2 & E3 only */ 938 if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) { 939 /* Read "paged" registers */ 940 bnx2x_read_pages_regs(bp, p, preset); 941 } 942 943 return 0; 944 } 945 946 static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p) 947 { 948 u32 preset_idx; 949 950 /* Read all registers, by reading all preset registers */ 951 for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) { 952 /* Skip presets with IOR */ 953 if ((preset_idx == 2) || 954 (preset_idx == 5) || 955 (preset_idx == 8) || 956 (preset_idx == 11)) 957 continue; 958 __bnx2x_get_preset_regs(bp, p, preset_idx); 959 p += __bnx2x_get_preset_regs_len(bp, preset_idx); 960 } 961 } 962 963 static void bnx2x_get_regs(struct net_device *dev, 964 struct ethtool_regs *regs, void *_p) 965 { 966 u32 *p = _p; 967 struct bnx2x *bp = netdev_priv(dev); 968 struct dump_header dump_hdr = {0}; 969 970 regs->version = 2; 971 memset(p, 0, regs->len); 972 973 if (!netif_running(bp->dev)) 974 return; 975 976 /* Disable parity attentions as long as following dump may 977 * cause false alarms by reading never written registers. We 978 * will re-enable parity attentions right after the dump. 979 */ 980 981 bnx2x_disable_blocks_parity(bp); 982 983 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1; 984 dump_hdr.preset = DUMP_ALL_PRESETS; 985 dump_hdr.version = BNX2X_DUMP_VERSION; 986 987 /* dump_meta_data presents OR of CHIP and PATH. */ 988 if (CHIP_IS_E1(bp)) { 989 dump_hdr.dump_meta_data = DUMP_CHIP_E1; 990 } else if (CHIP_IS_E1H(bp)) { 991 dump_hdr.dump_meta_data = DUMP_CHIP_E1H; 992 } else if (CHIP_IS_E2(bp)) { 993 dump_hdr.dump_meta_data = DUMP_CHIP_E2 | 994 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 995 } else if (CHIP_IS_E3A0(bp)) { 996 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 | 997 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 998 } else if (CHIP_IS_E3B0(bp)) { 999 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 | 1000 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 1001 } 1002 1003 memcpy(p, &dump_hdr, sizeof(struct dump_header)); 1004 p += dump_hdr.header_size + 1; 1005 1006 /* This isn't really an error, but since attention handling is going 1007 * to print the GRC timeouts using this macro, we use the same. 1008 */ 1009 BNX2X_ERR("Generating register dump. Might trigger harmless GRC timeouts\n"); 1010 1011 /* Actually read the registers */ 1012 __bnx2x_get_regs(bp, p); 1013 1014 /* Re-enable parity attentions */ 1015 bnx2x_clear_blocks_parity(bp); 1016 bnx2x_enable_blocks_parity(bp); 1017 } 1018 1019 static int bnx2x_get_preset_regs_len(struct net_device *dev, u32 preset) 1020 { 1021 struct bnx2x *bp = netdev_priv(dev); 1022 int regdump_len = 0; 1023 1024 regdump_len = __bnx2x_get_preset_regs_len(bp, preset); 1025 regdump_len *= 4; 1026 regdump_len += sizeof(struct dump_header); 1027 1028 return regdump_len; 1029 } 1030 1031 static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val) 1032 { 1033 struct bnx2x *bp = netdev_priv(dev); 1034 1035 /* Use the ethtool_dump "flag" field as the dump preset index */ 1036 if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS) 1037 return -EINVAL; 1038 1039 bp->dump_preset_idx = val->flag; 1040 return 0; 1041 } 1042 1043 static int bnx2x_get_dump_flag(struct net_device *dev, 1044 struct ethtool_dump *dump) 1045 { 1046 struct bnx2x *bp = netdev_priv(dev); 1047 1048 dump->version = BNX2X_DUMP_VERSION; 1049 dump->flag = bp->dump_preset_idx; 1050 /* Calculate the requested preset idx length */ 1051 dump->len = bnx2x_get_preset_regs_len(dev, bp->dump_preset_idx); 1052 DP(BNX2X_MSG_ETHTOOL, "Get dump preset %d length=%d\n", 1053 bp->dump_preset_idx, dump->len); 1054 return 0; 1055 } 1056 1057 static int bnx2x_get_dump_data(struct net_device *dev, 1058 struct ethtool_dump *dump, 1059 void *buffer) 1060 { 1061 u32 *p = buffer; 1062 struct bnx2x *bp = netdev_priv(dev); 1063 struct dump_header dump_hdr = {0}; 1064 1065 /* Disable parity attentions as long as following dump may 1066 * cause false alarms by reading never written registers. We 1067 * will re-enable parity attentions right after the dump. 1068 */ 1069 1070 bnx2x_disable_blocks_parity(bp); 1071 1072 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1; 1073 dump_hdr.preset = bp->dump_preset_idx; 1074 dump_hdr.version = BNX2X_DUMP_VERSION; 1075 1076 DP(BNX2X_MSG_ETHTOOL, "Get dump data of preset %d\n", dump_hdr.preset); 1077 1078 /* dump_meta_data presents OR of CHIP and PATH. */ 1079 if (CHIP_IS_E1(bp)) { 1080 dump_hdr.dump_meta_data = DUMP_CHIP_E1; 1081 } else if (CHIP_IS_E1H(bp)) { 1082 dump_hdr.dump_meta_data = DUMP_CHIP_E1H; 1083 } else if (CHIP_IS_E2(bp)) { 1084 dump_hdr.dump_meta_data = DUMP_CHIP_E2 | 1085 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 1086 } else if (CHIP_IS_E3A0(bp)) { 1087 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 | 1088 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 1089 } else if (CHIP_IS_E3B0(bp)) { 1090 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 | 1091 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 1092 } 1093 1094 memcpy(p, &dump_hdr, sizeof(struct dump_header)); 1095 p += dump_hdr.header_size + 1; 1096 1097 /* Actually read the registers */ 1098 __bnx2x_get_preset_regs(bp, p, dump_hdr.preset); 1099 1100 /* Re-enable parity attentions */ 1101 bnx2x_clear_blocks_parity(bp); 1102 bnx2x_enable_blocks_parity(bp); 1103 1104 return 0; 1105 } 1106 1107 static void bnx2x_get_drvinfo(struct net_device *dev, 1108 struct ethtool_drvinfo *info) 1109 { 1110 struct bnx2x *bp = netdev_priv(dev); 1111 char version[ETHTOOL_FWVERS_LEN]; 1112 int ext_dev_info_offset; 1113 u32 mbi; 1114 1115 strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 1116 1117 if (SHMEM2_HAS(bp, extended_dev_info_shared_addr)) { 1118 ext_dev_info_offset = SHMEM2_RD(bp, 1119 extended_dev_info_shared_addr); 1120 mbi = REG_RD(bp, ext_dev_info_offset + 1121 offsetof(struct extended_dev_info_shared_cfg, 1122 mbi_version)); 1123 if (mbi) { 1124 memset(version, 0, sizeof(version)); 1125 snprintf(version, ETHTOOL_FWVERS_LEN, "mbi %d.%d.%d ", 1126 (mbi & 0xff000000) >> 24, 1127 (mbi & 0x00ff0000) >> 16, 1128 (mbi & 0x0000ff00) >> 8); 1129 strscpy(info->fw_version, version, 1130 sizeof(info->fw_version)); 1131 } 1132 } 1133 1134 memset(version, 0, sizeof(version)); 1135 bnx2x_fill_fw_str(bp, version, ETHTOOL_FWVERS_LEN); 1136 strlcat(info->fw_version, version, sizeof(info->fw_version)); 1137 1138 strscpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 1139 } 1140 1141 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 1142 { 1143 struct bnx2x *bp = netdev_priv(dev); 1144 1145 if (bp->flags & NO_WOL_FLAG) { 1146 wol->supported = 0; 1147 wol->wolopts = 0; 1148 } else { 1149 wol->supported = WAKE_MAGIC; 1150 if (bp->wol) 1151 wol->wolopts = WAKE_MAGIC; 1152 else 1153 wol->wolopts = 0; 1154 } 1155 memset(&wol->sopass, 0, sizeof(wol->sopass)); 1156 } 1157 1158 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 1159 { 1160 struct bnx2x *bp = netdev_priv(dev); 1161 1162 if (wol->wolopts & ~WAKE_MAGIC) { 1163 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n"); 1164 return -EINVAL; 1165 } 1166 1167 if (wol->wolopts & WAKE_MAGIC) { 1168 if (bp->flags & NO_WOL_FLAG) { 1169 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n"); 1170 return -EINVAL; 1171 } 1172 bp->wol = 1; 1173 } else 1174 bp->wol = 0; 1175 1176 if (SHMEM2_HAS(bp, curr_cfg)) 1177 SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS); 1178 1179 return 0; 1180 } 1181 1182 static u32 bnx2x_get_msglevel(struct net_device *dev) 1183 { 1184 struct bnx2x *bp = netdev_priv(dev); 1185 1186 return bp->msg_enable; 1187 } 1188 1189 static void bnx2x_set_msglevel(struct net_device *dev, u32 level) 1190 { 1191 struct bnx2x *bp = netdev_priv(dev); 1192 1193 if (capable(CAP_NET_ADMIN)) { 1194 /* dump MCP trace */ 1195 if (IS_PF(bp) && (level & BNX2X_MSG_MCP)) 1196 bnx2x_fw_dump_lvl(bp, KERN_INFO); 1197 bp->msg_enable = level; 1198 } 1199 } 1200 1201 static int bnx2x_nway_reset(struct net_device *dev) 1202 { 1203 struct bnx2x *bp = netdev_priv(dev); 1204 1205 if (!bp->port.pmf) 1206 return 0; 1207 1208 if (netif_running(dev)) { 1209 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 1210 bnx2x_force_link_reset(bp); 1211 bnx2x_link_set(bp); 1212 } 1213 1214 return 0; 1215 } 1216 1217 static u32 bnx2x_get_link(struct net_device *dev) 1218 { 1219 struct bnx2x *bp = netdev_priv(dev); 1220 1221 if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN)) 1222 return 0; 1223 1224 if (IS_VF(bp)) 1225 return !test_bit(BNX2X_LINK_REPORT_LINK_DOWN, 1226 &bp->vf_link_vars.link_report_flags); 1227 1228 return bp->link_vars.link_up; 1229 } 1230 1231 static int bnx2x_get_eeprom_len(struct net_device *dev) 1232 { 1233 struct bnx2x *bp = netdev_priv(dev); 1234 1235 return bp->common.flash_size; 1236 } 1237 1238 /* Per pf misc lock must be acquired before the per port mcp lock. Otherwise, 1239 * had we done things the other way around, if two pfs from the same port would 1240 * attempt to access nvram at the same time, we could run into a scenario such 1241 * as: 1242 * pf A takes the port lock. 1243 * pf B succeeds in taking the same lock since they are from the same port. 1244 * pf A takes the per pf misc lock. Performs eeprom access. 1245 * pf A finishes. Unlocks the per pf misc lock. 1246 * Pf B takes the lock and proceeds to perform it's own access. 1247 * pf A unlocks the per port lock, while pf B is still working (!). 1248 * mcp takes the per port lock and corrupts pf B's access (and/or has it's own 1249 * access corrupted by pf B) 1250 */ 1251 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp) 1252 { 1253 int port = BP_PORT(bp); 1254 int count, i; 1255 u32 val; 1256 1257 /* acquire HW lock: protect against other PFs in PF Direct Assignment */ 1258 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM); 1259 1260 /* adjust timeout for emulation/FPGA */ 1261 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1262 if (CHIP_REV_IS_SLOW(bp)) 1263 count *= 100; 1264 1265 /* request access to nvram interface */ 1266 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, 1267 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port)); 1268 1269 for (i = 0; i < count*10; i++) { 1270 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); 1271 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) 1272 break; 1273 1274 udelay(5); 1275 } 1276 1277 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) { 1278 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1279 "cannot get access to nvram interface\n"); 1280 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM); 1281 return -EBUSY; 1282 } 1283 1284 return 0; 1285 } 1286 1287 static int bnx2x_release_nvram_lock(struct bnx2x *bp) 1288 { 1289 int port = BP_PORT(bp); 1290 int count, i; 1291 u32 val; 1292 1293 /* adjust timeout for emulation/FPGA */ 1294 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1295 if (CHIP_REV_IS_SLOW(bp)) 1296 count *= 100; 1297 1298 /* relinquish nvram interface */ 1299 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, 1300 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port)); 1301 1302 for (i = 0; i < count*10; i++) { 1303 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); 1304 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) 1305 break; 1306 1307 udelay(5); 1308 } 1309 1310 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) { 1311 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1312 "cannot free access to nvram interface\n"); 1313 return -EBUSY; 1314 } 1315 1316 /* release HW lock: protect against other PFs in PF Direct Assignment */ 1317 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM); 1318 return 0; 1319 } 1320 1321 static void bnx2x_enable_nvram_access(struct bnx2x *bp) 1322 { 1323 u32 val; 1324 1325 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); 1326 1327 /* enable both bits, even on read */ 1328 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, 1329 (val | MCPR_NVM_ACCESS_ENABLE_EN | 1330 MCPR_NVM_ACCESS_ENABLE_WR_EN)); 1331 } 1332 1333 static void bnx2x_disable_nvram_access(struct bnx2x *bp) 1334 { 1335 u32 val; 1336 1337 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); 1338 1339 /* disable both bits, even after read */ 1340 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, 1341 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN | 1342 MCPR_NVM_ACCESS_ENABLE_WR_EN))); 1343 } 1344 1345 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val, 1346 u32 cmd_flags) 1347 { 1348 int count, i, rc; 1349 u32 val; 1350 1351 /* build the command word */ 1352 cmd_flags |= MCPR_NVM_COMMAND_DOIT; 1353 1354 /* need to clear DONE bit separately */ 1355 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); 1356 1357 /* address of the NVRAM to read from */ 1358 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, 1359 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); 1360 1361 /* issue a read command */ 1362 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); 1363 1364 /* adjust timeout for emulation/FPGA */ 1365 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1366 if (CHIP_REV_IS_SLOW(bp)) 1367 count *= 100; 1368 1369 /* wait for completion */ 1370 *ret_val = 0; 1371 rc = -EBUSY; 1372 for (i = 0; i < count; i++) { 1373 udelay(5); 1374 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); 1375 1376 if (val & MCPR_NVM_COMMAND_DONE) { 1377 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ); 1378 /* we read nvram data in cpu order 1379 * but ethtool sees it as an array of bytes 1380 * converting to big-endian will do the work 1381 */ 1382 *ret_val = cpu_to_be32(val); 1383 rc = 0; 1384 break; 1385 } 1386 } 1387 if (rc == -EBUSY) 1388 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1389 "nvram read timeout expired\n"); 1390 return rc; 1391 } 1392 1393 int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, 1394 int buf_size) 1395 { 1396 int rc; 1397 u32 cmd_flags; 1398 __be32 val; 1399 1400 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { 1401 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1402 "Invalid parameter: offset 0x%x buf_size 0x%x\n", 1403 offset, buf_size); 1404 return -EINVAL; 1405 } 1406 1407 if (offset + buf_size > bp->common.flash_size) { 1408 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1409 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n", 1410 offset, buf_size, bp->common.flash_size); 1411 return -EINVAL; 1412 } 1413 1414 /* request access to nvram interface */ 1415 rc = bnx2x_acquire_nvram_lock(bp); 1416 if (rc) 1417 return rc; 1418 1419 /* enable access to nvram interface */ 1420 bnx2x_enable_nvram_access(bp); 1421 1422 /* read the first word(s) */ 1423 cmd_flags = MCPR_NVM_COMMAND_FIRST; 1424 while ((buf_size > sizeof(u32)) && (rc == 0)) { 1425 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); 1426 memcpy(ret_buf, &val, 4); 1427 1428 /* advance to the next dword */ 1429 offset += sizeof(u32); 1430 ret_buf += sizeof(u32); 1431 buf_size -= sizeof(u32); 1432 cmd_flags = 0; 1433 } 1434 1435 if (rc == 0) { 1436 cmd_flags |= MCPR_NVM_COMMAND_LAST; 1437 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); 1438 memcpy(ret_buf, &val, 4); 1439 } 1440 1441 /* disable access to nvram interface */ 1442 bnx2x_disable_nvram_access(bp); 1443 bnx2x_release_nvram_lock(bp); 1444 1445 return rc; 1446 } 1447 1448 static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf, 1449 int buf_size) 1450 { 1451 int rc; 1452 1453 rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size); 1454 1455 if (!rc) { 1456 __be32 *be = (__be32 *)buf; 1457 1458 while ((buf_size -= 4) >= 0) 1459 *buf++ = be32_to_cpu(*be++); 1460 } 1461 1462 return rc; 1463 } 1464 1465 static bool bnx2x_is_nvm_accessible(struct bnx2x *bp) 1466 { 1467 int rc = 1; 1468 u16 pm = 0; 1469 struct net_device *dev = pci_get_drvdata(bp->pdev); 1470 1471 if (bp->pdev->pm_cap) 1472 rc = pci_read_config_word(bp->pdev, 1473 bp->pdev->pm_cap + PCI_PM_CTRL, &pm); 1474 1475 if ((rc && !netif_running(dev)) || 1476 (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0))) 1477 return false; 1478 1479 return true; 1480 } 1481 1482 static int bnx2x_get_eeprom(struct net_device *dev, 1483 struct ethtool_eeprom *eeprom, u8 *eebuf) 1484 { 1485 struct bnx2x *bp = netdev_priv(dev); 1486 1487 if (!bnx2x_is_nvm_accessible(bp)) { 1488 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1489 "cannot access eeprom when the interface is down\n"); 1490 return -EAGAIN; 1491 } 1492 1493 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" 1494 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", 1495 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, 1496 eeprom->len, eeprom->len); 1497 1498 /* parameters already validated in ethtool_get_eeprom */ 1499 1500 return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); 1501 } 1502 1503 static int bnx2x_get_module_eeprom(struct net_device *dev, 1504 struct ethtool_eeprom *ee, 1505 u8 *data) 1506 { 1507 struct bnx2x *bp = netdev_priv(dev); 1508 int rc = -EINVAL, phy_idx; 1509 u8 *user_data = data; 1510 unsigned int start_addr = ee->offset, xfer_size = 0; 1511 1512 if (!bnx2x_is_nvm_accessible(bp)) { 1513 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1514 "cannot access eeprom when the interface is down\n"); 1515 return -EAGAIN; 1516 } 1517 1518 phy_idx = bnx2x_get_cur_phy_idx(bp); 1519 1520 /* Read A0 section */ 1521 if (start_addr < ETH_MODULE_SFF_8079_LEN) { 1522 /* Limit transfer size to the A0 section boundary */ 1523 if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN) 1524 xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr; 1525 else 1526 xfer_size = ee->len; 1527 bnx2x_acquire_phy_lock(bp); 1528 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1529 &bp->link_params, 1530 I2C_DEV_ADDR_A0, 1531 start_addr, 1532 xfer_size, 1533 user_data); 1534 bnx2x_release_phy_lock(bp); 1535 if (rc) { 1536 DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n"); 1537 1538 return -EINVAL; 1539 } 1540 user_data += xfer_size; 1541 start_addr += xfer_size; 1542 } 1543 1544 /* Read A2 section */ 1545 if ((start_addr >= ETH_MODULE_SFF_8079_LEN) && 1546 (start_addr < ETH_MODULE_SFF_8472_LEN)) { 1547 xfer_size = ee->len - xfer_size; 1548 /* Limit transfer size to the A2 section boundary */ 1549 if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN) 1550 xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr; 1551 start_addr -= ETH_MODULE_SFF_8079_LEN; 1552 bnx2x_acquire_phy_lock(bp); 1553 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1554 &bp->link_params, 1555 I2C_DEV_ADDR_A2, 1556 start_addr, 1557 xfer_size, 1558 user_data); 1559 bnx2x_release_phy_lock(bp); 1560 if (rc) { 1561 DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n"); 1562 return -EINVAL; 1563 } 1564 } 1565 return rc; 1566 } 1567 1568 static int bnx2x_get_module_info(struct net_device *dev, 1569 struct ethtool_modinfo *modinfo) 1570 { 1571 struct bnx2x *bp = netdev_priv(dev); 1572 int phy_idx, rc; 1573 u8 sff8472_comp, diag_type; 1574 1575 if (!bnx2x_is_nvm_accessible(bp)) { 1576 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1577 "cannot access eeprom when the interface is down\n"); 1578 return -EAGAIN; 1579 } 1580 phy_idx = bnx2x_get_cur_phy_idx(bp); 1581 bnx2x_acquire_phy_lock(bp); 1582 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1583 &bp->link_params, 1584 I2C_DEV_ADDR_A0, 1585 SFP_EEPROM_SFF_8472_COMP_ADDR, 1586 SFP_EEPROM_SFF_8472_COMP_SIZE, 1587 &sff8472_comp); 1588 bnx2x_release_phy_lock(bp); 1589 if (rc) { 1590 DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n"); 1591 return -EINVAL; 1592 } 1593 1594 bnx2x_acquire_phy_lock(bp); 1595 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1596 &bp->link_params, 1597 I2C_DEV_ADDR_A0, 1598 SFP_EEPROM_DIAG_TYPE_ADDR, 1599 SFP_EEPROM_DIAG_TYPE_SIZE, 1600 &diag_type); 1601 bnx2x_release_phy_lock(bp); 1602 if (rc) { 1603 DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n"); 1604 return -EINVAL; 1605 } 1606 1607 if (!sff8472_comp || 1608 (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ) || 1609 !(diag_type & SFP_EEPROM_DDM_IMPLEMENTED)) { 1610 modinfo->type = ETH_MODULE_SFF_8079; 1611 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 1612 } else { 1613 modinfo->type = ETH_MODULE_SFF_8472; 1614 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1615 } 1616 return 0; 1617 } 1618 1619 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, 1620 u32 cmd_flags) 1621 { 1622 int count, i, rc; 1623 1624 /* build the command word */ 1625 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; 1626 1627 /* need to clear DONE bit separately */ 1628 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); 1629 1630 /* write the data */ 1631 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); 1632 1633 /* address of the NVRAM to write to */ 1634 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, 1635 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); 1636 1637 /* issue the write command */ 1638 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); 1639 1640 /* adjust timeout for emulation/FPGA */ 1641 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1642 if (CHIP_REV_IS_SLOW(bp)) 1643 count *= 100; 1644 1645 /* wait for completion */ 1646 rc = -EBUSY; 1647 for (i = 0; i < count; i++) { 1648 udelay(5); 1649 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); 1650 if (val & MCPR_NVM_COMMAND_DONE) { 1651 rc = 0; 1652 break; 1653 } 1654 } 1655 1656 if (rc == -EBUSY) 1657 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1658 "nvram write timeout expired\n"); 1659 return rc; 1660 } 1661 1662 #define BYTE_OFFSET(offset) (8 * (offset & 0x03)) 1663 1664 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, 1665 int buf_size) 1666 { 1667 int rc; 1668 u32 cmd_flags, align_offset, val; 1669 __be32 val_be; 1670 1671 if (offset + buf_size > bp->common.flash_size) { 1672 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1673 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n", 1674 offset, buf_size, bp->common.flash_size); 1675 return -EINVAL; 1676 } 1677 1678 /* request access to nvram interface */ 1679 rc = bnx2x_acquire_nvram_lock(bp); 1680 if (rc) 1681 return rc; 1682 1683 /* enable access to nvram interface */ 1684 bnx2x_enable_nvram_access(bp); 1685 1686 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST); 1687 align_offset = (offset & ~0x03); 1688 rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags); 1689 1690 if (rc == 0) { 1691 /* nvram data is returned as an array of bytes 1692 * convert it back to cpu order 1693 */ 1694 val = be32_to_cpu(val_be); 1695 1696 val &= ~le32_to_cpu((__force __le32) 1697 (0xff << BYTE_OFFSET(offset))); 1698 val |= le32_to_cpu((__force __le32) 1699 (*data_buf << BYTE_OFFSET(offset))); 1700 1701 rc = bnx2x_nvram_write_dword(bp, align_offset, val, 1702 cmd_flags); 1703 } 1704 1705 /* disable access to nvram interface */ 1706 bnx2x_disable_nvram_access(bp); 1707 bnx2x_release_nvram_lock(bp); 1708 1709 return rc; 1710 } 1711 1712 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, 1713 int buf_size) 1714 { 1715 int rc; 1716 u32 cmd_flags; 1717 u32 val; 1718 u32 written_so_far; 1719 1720 if (buf_size == 1) /* ethtool */ 1721 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size); 1722 1723 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { 1724 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1725 "Invalid parameter: offset 0x%x buf_size 0x%x\n", 1726 offset, buf_size); 1727 return -EINVAL; 1728 } 1729 1730 if (offset + buf_size > bp->common.flash_size) { 1731 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1732 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n", 1733 offset, buf_size, bp->common.flash_size); 1734 return -EINVAL; 1735 } 1736 1737 /* request access to nvram interface */ 1738 rc = bnx2x_acquire_nvram_lock(bp); 1739 if (rc) 1740 return rc; 1741 1742 /* enable access to nvram interface */ 1743 bnx2x_enable_nvram_access(bp); 1744 1745 written_so_far = 0; 1746 cmd_flags = MCPR_NVM_COMMAND_FIRST; 1747 while ((written_so_far < buf_size) && (rc == 0)) { 1748 if (written_so_far == (buf_size - sizeof(u32))) 1749 cmd_flags |= MCPR_NVM_COMMAND_LAST; 1750 else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0) 1751 cmd_flags |= MCPR_NVM_COMMAND_LAST; 1752 else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0) 1753 cmd_flags |= MCPR_NVM_COMMAND_FIRST; 1754 1755 memcpy(&val, data_buf, 4); 1756 1757 /* Notice unlike bnx2x_nvram_read_dword() this will not 1758 * change val using be32_to_cpu(), which causes data to flip 1759 * if the eeprom is read and then written back. This is due 1760 * to tools utilizing this functionality that would break 1761 * if this would be resolved. 1762 */ 1763 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags); 1764 1765 /* advance to the next dword */ 1766 offset += sizeof(u32); 1767 data_buf += sizeof(u32); 1768 written_so_far += sizeof(u32); 1769 1770 /* At end of each 4Kb page, release nvram lock to allow MFW 1771 * chance to take it for its own use. 1772 */ 1773 if ((cmd_flags & MCPR_NVM_COMMAND_LAST) && 1774 (written_so_far < buf_size)) { 1775 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1776 "Releasing NVM lock after offset 0x%x\n", 1777 (u32)(offset - sizeof(u32))); 1778 bnx2x_release_nvram_lock(bp); 1779 usleep_range(1000, 2000); 1780 rc = bnx2x_acquire_nvram_lock(bp); 1781 if (rc) 1782 return rc; 1783 } 1784 1785 cmd_flags = 0; 1786 } 1787 1788 /* disable access to nvram interface */ 1789 bnx2x_disable_nvram_access(bp); 1790 bnx2x_release_nvram_lock(bp); 1791 1792 return rc; 1793 } 1794 1795 static int bnx2x_set_eeprom(struct net_device *dev, 1796 struct ethtool_eeprom *eeprom, u8 *eebuf) 1797 { 1798 struct bnx2x *bp = netdev_priv(dev); 1799 int port = BP_PORT(bp); 1800 int rc = 0; 1801 u32 ext_phy_config; 1802 1803 if (!bnx2x_is_nvm_accessible(bp)) { 1804 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1805 "cannot access eeprom when the interface is down\n"); 1806 return -EAGAIN; 1807 } 1808 1809 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" 1810 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", 1811 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, 1812 eeprom->len, eeprom->len); 1813 1814 /* parameters already validated in ethtool_set_eeprom */ 1815 1816 /* PHY eeprom can be accessed only by the PMF */ 1817 if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) && 1818 !bp->port.pmf) { 1819 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1820 "wrong magic or interface is not pmf\n"); 1821 return -EINVAL; 1822 } 1823 1824 ext_phy_config = 1825 SHMEM_RD(bp, 1826 dev_info.port_hw_config[port].external_phy_config); 1827 1828 if (eeprom->magic == 0x50485950) { 1829 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */ 1830 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 1831 1832 bnx2x_acquire_phy_lock(bp); 1833 rc |= bnx2x_link_reset(&bp->link_params, 1834 &bp->link_vars, 0); 1835 if (XGXS_EXT_PHY_TYPE(ext_phy_config) == 1836 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) 1837 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, 1838 MISC_REGISTERS_GPIO_HIGH, port); 1839 bnx2x_release_phy_lock(bp); 1840 bnx2x_link_report(bp); 1841 1842 } else if (eeprom->magic == 0x50485952) { 1843 /* 'PHYR' (0x50485952): re-init link after FW upgrade */ 1844 if (bp->state == BNX2X_STATE_OPEN) { 1845 bnx2x_acquire_phy_lock(bp); 1846 rc |= bnx2x_link_reset(&bp->link_params, 1847 &bp->link_vars, 1); 1848 1849 rc |= bnx2x_phy_init(&bp->link_params, 1850 &bp->link_vars); 1851 bnx2x_release_phy_lock(bp); 1852 bnx2x_calc_fc_adv(bp); 1853 } 1854 } else if (eeprom->magic == 0x53985943) { 1855 /* 'PHYC' (0x53985943): PHY FW upgrade completed */ 1856 if (XGXS_EXT_PHY_TYPE(ext_phy_config) == 1857 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) { 1858 1859 /* DSP Remove Download Mode */ 1860 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, 1861 MISC_REGISTERS_GPIO_LOW, port); 1862 1863 bnx2x_acquire_phy_lock(bp); 1864 1865 bnx2x_sfx7101_sp_sw_reset(bp, 1866 &bp->link_params.phy[EXT_PHY1]); 1867 1868 /* wait 0.5 sec to allow it to run */ 1869 msleep(500); 1870 bnx2x_ext_phy_hw_reset(bp, port); 1871 msleep(500); 1872 bnx2x_release_phy_lock(bp); 1873 } 1874 } else 1875 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); 1876 1877 return rc; 1878 } 1879 1880 static int bnx2x_get_coalesce(struct net_device *dev, 1881 struct ethtool_coalesce *coal, 1882 struct kernel_ethtool_coalesce *kernel_coal, 1883 struct netlink_ext_ack *extack) 1884 { 1885 struct bnx2x *bp = netdev_priv(dev); 1886 1887 memset(coal, 0, sizeof(struct ethtool_coalesce)); 1888 1889 coal->rx_coalesce_usecs = bp->rx_ticks; 1890 coal->tx_coalesce_usecs = bp->tx_ticks; 1891 1892 return 0; 1893 } 1894 1895 static int bnx2x_set_coalesce(struct net_device *dev, 1896 struct ethtool_coalesce *coal, 1897 struct kernel_ethtool_coalesce *kernel_coal, 1898 struct netlink_ext_ack *extack) 1899 { 1900 struct bnx2x *bp = netdev_priv(dev); 1901 1902 bp->rx_ticks = (u16)coal->rx_coalesce_usecs; 1903 if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT) 1904 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT; 1905 1906 bp->tx_ticks = (u16)coal->tx_coalesce_usecs; 1907 if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT) 1908 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT; 1909 1910 if (netif_running(dev)) 1911 bnx2x_update_coalesce(bp); 1912 1913 return 0; 1914 } 1915 1916 static void bnx2x_get_ringparam(struct net_device *dev, 1917 struct ethtool_ringparam *ering, 1918 struct kernel_ethtool_ringparam *kernel_ering, 1919 struct netlink_ext_ack *extack) 1920 { 1921 struct bnx2x *bp = netdev_priv(dev); 1922 1923 ering->rx_max_pending = MAX_RX_AVAIL; 1924 1925 /* If size isn't already set, we give an estimation of the number 1926 * of buffers we'll have. We're neglecting some possible conditions 1927 * [we couldn't know for certain at this point if number of queues 1928 * might shrink] but the number would be correct for the likely 1929 * scenario. 1930 */ 1931 if (bp->rx_ring_size) 1932 ering->rx_pending = bp->rx_ring_size; 1933 else if (BNX2X_NUM_RX_QUEUES(bp)) 1934 ering->rx_pending = MAX_RX_AVAIL / BNX2X_NUM_RX_QUEUES(bp); 1935 else 1936 ering->rx_pending = MAX_RX_AVAIL; 1937 1938 ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL; 1939 ering->tx_pending = bp->tx_ring_size; 1940 } 1941 1942 static int bnx2x_set_ringparam(struct net_device *dev, 1943 struct ethtool_ringparam *ering, 1944 struct kernel_ethtool_ringparam *kernel_ering, 1945 struct netlink_ext_ack *extack) 1946 { 1947 struct bnx2x *bp = netdev_priv(dev); 1948 1949 DP(BNX2X_MSG_ETHTOOL, 1950 "set ring params command parameters: rx_pending = %d, tx_pending = %d\n", 1951 ering->rx_pending, ering->tx_pending); 1952 1953 if (pci_num_vf(bp->pdev)) { 1954 DP(BNX2X_MSG_IOV, 1955 "VFs are enabled, can not change ring parameters\n"); 1956 return -EPERM; 1957 } 1958 1959 if (bp->recovery_state != BNX2X_RECOVERY_DONE) { 1960 DP(BNX2X_MSG_ETHTOOL, 1961 "Handling parity error recovery. Try again later\n"); 1962 return -EAGAIN; 1963 } 1964 1965 if ((ering->rx_pending > MAX_RX_AVAIL) || 1966 (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA : 1967 MIN_RX_SIZE_TPA)) || 1968 (ering->tx_pending > (IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL)) || 1969 (ering->tx_pending <= MAX_SKB_FRAGS + 4)) { 1970 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 1971 return -EINVAL; 1972 } 1973 1974 bp->rx_ring_size = ering->rx_pending; 1975 bp->tx_ring_size = ering->tx_pending; 1976 1977 return bnx2x_reload_if_running(dev); 1978 } 1979 1980 static void bnx2x_get_pauseparam(struct net_device *dev, 1981 struct ethtool_pauseparam *epause) 1982 { 1983 struct bnx2x *bp = netdev_priv(dev); 1984 int cfg_idx = bnx2x_get_link_cfg_idx(bp); 1985 int cfg_reg; 1986 1987 epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] == 1988 BNX2X_FLOW_CTRL_AUTO); 1989 1990 if (!epause->autoneg) 1991 cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx]; 1992 else 1993 cfg_reg = bp->link_params.req_fc_auto_adv; 1994 1995 epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) == 1996 BNX2X_FLOW_CTRL_RX); 1997 epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) == 1998 BNX2X_FLOW_CTRL_TX); 1999 2000 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n" 2001 " autoneg %d rx_pause %d tx_pause %d\n", 2002 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); 2003 } 2004 2005 static int bnx2x_set_pauseparam(struct net_device *dev, 2006 struct ethtool_pauseparam *epause) 2007 { 2008 struct bnx2x *bp = netdev_priv(dev); 2009 u32 cfg_idx = bnx2x_get_link_cfg_idx(bp); 2010 if (IS_MF(bp)) 2011 return 0; 2012 2013 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n" 2014 " autoneg %d rx_pause %d tx_pause %d\n", 2015 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); 2016 2017 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO; 2018 2019 if (epause->rx_pause) 2020 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX; 2021 2022 if (epause->tx_pause) 2023 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX; 2024 2025 if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO) 2026 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE; 2027 2028 if (epause->autoneg) { 2029 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) { 2030 DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n"); 2031 return -EINVAL; 2032 } 2033 2034 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) { 2035 bp->link_params.req_flow_ctrl[cfg_idx] = 2036 BNX2X_FLOW_CTRL_AUTO; 2037 } 2038 bp->link_params.req_fc_auto_adv = 0; 2039 if (epause->rx_pause) 2040 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX; 2041 2042 if (epause->tx_pause) 2043 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX; 2044 2045 if (!bp->link_params.req_fc_auto_adv) 2046 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_NONE; 2047 } 2048 2049 DP(BNX2X_MSG_ETHTOOL, 2050 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]); 2051 2052 if (netif_running(dev)) { 2053 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 2054 bnx2x_force_link_reset(bp); 2055 bnx2x_link_set(bp); 2056 } 2057 2058 return 0; 2059 } 2060 2061 static const char bnx2x_tests_str_arr[BNX2X_NUM_TESTS_SF][ETH_GSTRING_LEN] = { 2062 "register_test (offline) ", 2063 "memory_test (offline) ", 2064 "int_loopback_test (offline)", 2065 "ext_loopback_test (offline)", 2066 "nvram_test (online) ", 2067 "interrupt_test (online) ", 2068 "link_test (online) " 2069 }; 2070 2071 enum { 2072 BNX2X_PRI_FLAG_ISCSI, 2073 BNX2X_PRI_FLAG_FCOE, 2074 BNX2X_PRI_FLAG_STORAGE, 2075 BNX2X_PRI_FLAG_LEN, 2076 }; 2077 2078 static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = { 2079 "iSCSI offload support", 2080 "FCoE offload support", 2081 "Storage only interface" 2082 }; 2083 2084 static u32 bnx2x_eee_to_adv(u32 eee_adv) 2085 { 2086 u32 modes = 0; 2087 2088 if (eee_adv & SHMEM_EEE_100M_ADV) 2089 modes |= ADVERTISED_100baseT_Full; 2090 if (eee_adv & SHMEM_EEE_1G_ADV) 2091 modes |= ADVERTISED_1000baseT_Full; 2092 if (eee_adv & SHMEM_EEE_10G_ADV) 2093 modes |= ADVERTISED_10000baseT_Full; 2094 2095 return modes; 2096 } 2097 2098 static u32 bnx2x_adv_to_eee(u32 modes, u32 shift) 2099 { 2100 u32 eee_adv = 0; 2101 if (modes & ADVERTISED_100baseT_Full) 2102 eee_adv |= SHMEM_EEE_100M_ADV; 2103 if (modes & ADVERTISED_1000baseT_Full) 2104 eee_adv |= SHMEM_EEE_1G_ADV; 2105 if (modes & ADVERTISED_10000baseT_Full) 2106 eee_adv |= SHMEM_EEE_10G_ADV; 2107 2108 return eee_adv << shift; 2109 } 2110 2111 static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata) 2112 { 2113 struct bnx2x *bp = netdev_priv(dev); 2114 u32 eee_cfg; 2115 2116 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) { 2117 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n"); 2118 return -EOPNOTSUPP; 2119 } 2120 2121 eee_cfg = bp->link_vars.eee_status; 2122 2123 edata->supported = 2124 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >> 2125 SHMEM_EEE_SUPPORTED_SHIFT); 2126 2127 edata->advertised = 2128 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >> 2129 SHMEM_EEE_ADV_STATUS_SHIFT); 2130 edata->lp_advertised = 2131 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >> 2132 SHMEM_EEE_LP_ADV_STATUS_SHIFT); 2133 2134 /* SHMEM value is in 16u units --> Convert to 1u units. */ 2135 edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4; 2136 2137 edata->eee_enabled = (eee_cfg & SHMEM_EEE_REQUESTED_BIT) ? 1 : 0; 2138 edata->eee_active = (eee_cfg & SHMEM_EEE_ACTIVE_BIT) ? 1 : 0; 2139 edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0; 2140 2141 return 0; 2142 } 2143 2144 static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata) 2145 { 2146 struct bnx2x *bp = netdev_priv(dev); 2147 u32 eee_cfg; 2148 u32 advertised; 2149 2150 if (IS_MF(bp)) 2151 return 0; 2152 2153 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) { 2154 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n"); 2155 return -EOPNOTSUPP; 2156 } 2157 2158 eee_cfg = bp->link_vars.eee_status; 2159 2160 if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) { 2161 DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n"); 2162 return -EOPNOTSUPP; 2163 } 2164 2165 advertised = bnx2x_adv_to_eee(edata->advertised, 2166 SHMEM_EEE_ADV_STATUS_SHIFT); 2167 if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) { 2168 DP(BNX2X_MSG_ETHTOOL, 2169 "Direct manipulation of EEE advertisement is not supported\n"); 2170 return -EINVAL; 2171 } 2172 2173 if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) { 2174 DP(BNX2X_MSG_ETHTOOL, 2175 "Maximal Tx Lpi timer supported is %x(u)\n", 2176 EEE_MODE_TIMER_MASK); 2177 return -EINVAL; 2178 } 2179 if (edata->tx_lpi_enabled && 2180 (edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) { 2181 DP(BNX2X_MSG_ETHTOOL, 2182 "Minimal Tx Lpi timer supported is %d(u)\n", 2183 EEE_MODE_NVRAM_AGGRESSIVE_TIME); 2184 return -EINVAL; 2185 } 2186 2187 /* All is well; Apply changes*/ 2188 if (edata->eee_enabled) 2189 bp->link_params.eee_mode |= EEE_MODE_ADV_LPI; 2190 else 2191 bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI; 2192 2193 if (edata->tx_lpi_enabled) 2194 bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI; 2195 else 2196 bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI; 2197 2198 bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK; 2199 bp->link_params.eee_mode |= (edata->tx_lpi_timer & 2200 EEE_MODE_TIMER_MASK) | 2201 EEE_MODE_OVERRIDE_NVRAM | 2202 EEE_MODE_OUTPUT_TIME; 2203 2204 /* Restart link to propagate changes */ 2205 if (netif_running(dev)) { 2206 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 2207 bnx2x_force_link_reset(bp); 2208 bnx2x_link_set(bp); 2209 } 2210 2211 return 0; 2212 } 2213 2214 enum { 2215 BNX2X_CHIP_E1_OFST = 0, 2216 BNX2X_CHIP_E1H_OFST, 2217 BNX2X_CHIP_E2_OFST, 2218 BNX2X_CHIP_E3_OFST, 2219 BNX2X_CHIP_E3B0_OFST, 2220 BNX2X_CHIP_MAX_OFST 2221 }; 2222 2223 #define BNX2X_CHIP_MASK_E1 (1 << BNX2X_CHIP_E1_OFST) 2224 #define BNX2X_CHIP_MASK_E1H (1 << BNX2X_CHIP_E1H_OFST) 2225 #define BNX2X_CHIP_MASK_E2 (1 << BNX2X_CHIP_E2_OFST) 2226 #define BNX2X_CHIP_MASK_E3 (1 << BNX2X_CHIP_E3_OFST) 2227 #define BNX2X_CHIP_MASK_E3B0 (1 << BNX2X_CHIP_E3B0_OFST) 2228 2229 #define BNX2X_CHIP_MASK_ALL ((1 << BNX2X_CHIP_MAX_OFST) - 1) 2230 #define BNX2X_CHIP_MASK_E1X (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H) 2231 2232 static int bnx2x_test_registers(struct bnx2x *bp) 2233 { 2234 int idx, i, rc = -ENODEV; 2235 u32 wr_val = 0, hw; 2236 int port = BP_PORT(bp); 2237 static const struct { 2238 u32 hw; 2239 u32 offset0; 2240 u32 offset1; 2241 u32 mask; 2242 } reg_tbl[] = { 2243 /* 0 */ { BNX2X_CHIP_MASK_ALL, 2244 BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff }, 2245 { BNX2X_CHIP_MASK_ALL, 2246 DORQ_REG_DB_ADDR0, 4, 0xffffffff }, 2247 { BNX2X_CHIP_MASK_E1X, 2248 HC_REG_AGG_INT_0, 4, 0x000003ff }, 2249 { BNX2X_CHIP_MASK_ALL, 2250 PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 }, 2251 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3, 2252 PBF_REG_P0_INIT_CRD, 4, 0x000007ff }, 2253 { BNX2X_CHIP_MASK_E3B0, 2254 PBF_REG_INIT_CRD_Q0, 4, 0x000007ff }, 2255 { BNX2X_CHIP_MASK_ALL, 2256 PRS_REG_CID_PORT_0, 4, 0x00ffffff }, 2257 { BNX2X_CHIP_MASK_ALL, 2258 PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff }, 2259 { BNX2X_CHIP_MASK_ALL, 2260 PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, 2261 { BNX2X_CHIP_MASK_ALL, 2262 PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff }, 2263 /* 10 */ { BNX2X_CHIP_MASK_ALL, 2264 PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, 2265 { BNX2X_CHIP_MASK_ALL, 2266 PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff }, 2267 { BNX2X_CHIP_MASK_ALL, 2268 QM_REG_CONNNUM_0, 4, 0x000fffff }, 2269 { BNX2X_CHIP_MASK_ALL, 2270 TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff }, 2271 { BNX2X_CHIP_MASK_ALL, 2272 SRC_REG_KEYRSS0_0, 40, 0xffffffff }, 2273 { BNX2X_CHIP_MASK_ALL, 2274 SRC_REG_KEYRSS0_7, 40, 0xffffffff }, 2275 { BNX2X_CHIP_MASK_ALL, 2276 XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 }, 2277 { BNX2X_CHIP_MASK_ALL, 2278 XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 }, 2279 { BNX2X_CHIP_MASK_ALL, 2280 XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff }, 2281 { BNX2X_CHIP_MASK_ALL, 2282 NIG_REG_LLH0_T_BIT, 4, 0x00000001 }, 2283 /* 20 */ { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2284 NIG_REG_EMAC0_IN_EN, 4, 0x00000001 }, 2285 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2286 NIG_REG_BMAC0_IN_EN, 4, 0x00000001 }, 2287 { BNX2X_CHIP_MASK_ALL, 2288 NIG_REG_XCM0_OUT_EN, 4, 0x00000001 }, 2289 { BNX2X_CHIP_MASK_ALL, 2290 NIG_REG_BRB0_OUT_EN, 4, 0x00000001 }, 2291 { BNX2X_CHIP_MASK_ALL, 2292 NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 }, 2293 { BNX2X_CHIP_MASK_ALL, 2294 NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff }, 2295 { BNX2X_CHIP_MASK_ALL, 2296 NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff }, 2297 { BNX2X_CHIP_MASK_ALL, 2298 NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff }, 2299 { BNX2X_CHIP_MASK_ALL, 2300 NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff }, 2301 { BNX2X_CHIP_MASK_ALL, 2302 NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 }, 2303 /* 30 */ { BNX2X_CHIP_MASK_ALL, 2304 NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff }, 2305 { BNX2X_CHIP_MASK_ALL, 2306 NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff }, 2307 { BNX2X_CHIP_MASK_ALL, 2308 NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff }, 2309 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2310 NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 }, 2311 { BNX2X_CHIP_MASK_ALL, 2312 NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001}, 2313 { BNX2X_CHIP_MASK_ALL, 2314 NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff }, 2315 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2316 NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 }, 2317 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2318 NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f }, 2319 2320 { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 } 2321 }; 2322 2323 if (!bnx2x_is_nvm_accessible(bp)) { 2324 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2325 "cannot access eeprom when the interface is down\n"); 2326 return rc; 2327 } 2328 2329 if (CHIP_IS_E1(bp)) 2330 hw = BNX2X_CHIP_MASK_E1; 2331 else if (CHIP_IS_E1H(bp)) 2332 hw = BNX2X_CHIP_MASK_E1H; 2333 else if (CHIP_IS_E2(bp)) 2334 hw = BNX2X_CHIP_MASK_E2; 2335 else if (CHIP_IS_E3B0(bp)) 2336 hw = BNX2X_CHIP_MASK_E3B0; 2337 else /* e3 A0 */ 2338 hw = BNX2X_CHIP_MASK_E3; 2339 2340 /* Repeat the test twice: 2341 * First by writing 0x00000000, second by writing 0xffffffff 2342 */ 2343 for (idx = 0; idx < 2; idx++) { 2344 2345 switch (idx) { 2346 case 0: 2347 wr_val = 0; 2348 break; 2349 case 1: 2350 wr_val = 0xffffffff; 2351 break; 2352 } 2353 2354 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) { 2355 u32 offset, mask, save_val, val; 2356 if (!(hw & reg_tbl[i].hw)) 2357 continue; 2358 2359 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1; 2360 mask = reg_tbl[i].mask; 2361 2362 save_val = REG_RD(bp, offset); 2363 2364 REG_WR(bp, offset, wr_val & mask); 2365 2366 val = REG_RD(bp, offset); 2367 2368 /* Restore the original register's value */ 2369 REG_WR(bp, offset, save_val); 2370 2371 /* verify value is as expected */ 2372 if ((val & mask) != (wr_val & mask)) { 2373 DP(BNX2X_MSG_ETHTOOL, 2374 "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n", 2375 offset, val, wr_val, mask); 2376 goto test_reg_exit; 2377 } 2378 } 2379 } 2380 2381 rc = 0; 2382 2383 test_reg_exit: 2384 return rc; 2385 } 2386 2387 static int bnx2x_test_memory(struct bnx2x *bp) 2388 { 2389 int i, j, rc = -ENODEV; 2390 u32 val, index; 2391 static const struct { 2392 u32 offset; 2393 int size; 2394 } mem_tbl[] = { 2395 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE }, 2396 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE }, 2397 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE }, 2398 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE }, 2399 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE }, 2400 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE }, 2401 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE }, 2402 2403 { 0xffffffff, 0 } 2404 }; 2405 2406 static const struct { 2407 char *name; 2408 u32 offset; 2409 u32 hw_mask[BNX2X_CHIP_MAX_OFST]; 2410 } prty_tbl[] = { 2411 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 2412 {0x3ffc0, 0, 0, 0} }, 2413 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 2414 {0x2, 0x2, 0, 0} }, 2415 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 2416 {0, 0, 0, 0} }, 2417 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 2418 {0x3ffc0, 0, 0, 0} }, 2419 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 2420 {0x3ffc0, 0, 0, 0} }, 2421 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 2422 {0x3ffc1, 0, 0, 0} }, 2423 2424 { NULL, 0xffffffff, {0, 0, 0, 0} } 2425 }; 2426 2427 if (!bnx2x_is_nvm_accessible(bp)) { 2428 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2429 "cannot access eeprom when the interface is down\n"); 2430 return rc; 2431 } 2432 2433 if (CHIP_IS_E1(bp)) 2434 index = BNX2X_CHIP_E1_OFST; 2435 else if (CHIP_IS_E1H(bp)) 2436 index = BNX2X_CHIP_E1H_OFST; 2437 else if (CHIP_IS_E2(bp)) 2438 index = BNX2X_CHIP_E2_OFST; 2439 else /* e3 */ 2440 index = BNX2X_CHIP_E3_OFST; 2441 2442 /* pre-Check the parity status */ 2443 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { 2444 val = REG_RD(bp, prty_tbl[i].offset); 2445 if (val & ~(prty_tbl[i].hw_mask[index])) { 2446 DP(BNX2X_MSG_ETHTOOL, 2447 "%s is 0x%x\n", prty_tbl[i].name, val); 2448 goto test_mem_exit; 2449 } 2450 } 2451 2452 /* Go through all the memories */ 2453 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) 2454 for (j = 0; j < mem_tbl[i].size; j++) 2455 REG_RD(bp, mem_tbl[i].offset + j*4); 2456 2457 /* Check the parity status */ 2458 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { 2459 val = REG_RD(bp, prty_tbl[i].offset); 2460 if (val & ~(prty_tbl[i].hw_mask[index])) { 2461 DP(BNX2X_MSG_ETHTOOL, 2462 "%s is 0x%x\n", prty_tbl[i].name, val); 2463 goto test_mem_exit; 2464 } 2465 } 2466 2467 rc = 0; 2468 2469 test_mem_exit: 2470 return rc; 2471 } 2472 2473 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes) 2474 { 2475 int cnt = 1400; 2476 2477 if (link_up) { 2478 while (bnx2x_link_test(bp, is_serdes) && cnt--) 2479 msleep(20); 2480 2481 if (cnt <= 0 && bnx2x_link_test(bp, is_serdes)) 2482 DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n"); 2483 2484 cnt = 1400; 2485 while (!bp->link_vars.link_up && cnt--) 2486 msleep(20); 2487 2488 if (cnt <= 0 && !bp->link_vars.link_up) 2489 DP(BNX2X_MSG_ETHTOOL, 2490 "Timeout waiting for link init\n"); 2491 } 2492 } 2493 2494 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode) 2495 { 2496 unsigned int pkt_size, num_pkts, i; 2497 struct sk_buff *skb; 2498 unsigned char *packet; 2499 struct bnx2x_fastpath *fp_rx = &bp->fp[0]; 2500 struct bnx2x_fastpath *fp_tx = &bp->fp[0]; 2501 struct bnx2x_fp_txdata *txdata = fp_tx->txdata_ptr[0]; 2502 u16 tx_start_idx, tx_idx; 2503 u16 rx_start_idx, rx_idx; 2504 u16 pkt_prod, bd_prod; 2505 struct sw_tx_bd *tx_buf; 2506 struct eth_tx_start_bd *tx_start_bd; 2507 dma_addr_t mapping; 2508 union eth_rx_cqe *cqe; 2509 u8 cqe_fp_flags, cqe_fp_type; 2510 struct sw_rx_bd *rx_buf; 2511 u16 len; 2512 int rc = -ENODEV; 2513 u8 *data; 2514 struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, 2515 txdata->txq_index); 2516 2517 /* check the loopback mode */ 2518 switch (loopback_mode) { 2519 case BNX2X_PHY_LOOPBACK: 2520 if (bp->link_params.loopback_mode != LOOPBACK_XGXS) { 2521 DP(BNX2X_MSG_ETHTOOL, "PHY loopback not supported\n"); 2522 return -EINVAL; 2523 } 2524 break; 2525 case BNX2X_MAC_LOOPBACK: 2526 if (CHIP_IS_E3(bp)) { 2527 int cfg_idx = bnx2x_get_link_cfg_idx(bp); 2528 if (bp->port.supported[cfg_idx] & 2529 (SUPPORTED_10000baseT_Full | 2530 SUPPORTED_20000baseMLD2_Full | 2531 SUPPORTED_20000baseKR2_Full)) 2532 bp->link_params.loopback_mode = LOOPBACK_XMAC; 2533 else 2534 bp->link_params.loopback_mode = LOOPBACK_UMAC; 2535 } else 2536 bp->link_params.loopback_mode = LOOPBACK_BMAC; 2537 2538 bnx2x_phy_init(&bp->link_params, &bp->link_vars); 2539 break; 2540 case BNX2X_EXT_LOOPBACK: 2541 if (bp->link_params.loopback_mode != LOOPBACK_EXT) { 2542 DP(BNX2X_MSG_ETHTOOL, 2543 "Can't configure external loopback\n"); 2544 return -EINVAL; 2545 } 2546 break; 2547 default: 2548 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 2549 return -EINVAL; 2550 } 2551 2552 /* prepare the loopback packet */ 2553 pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ? 2554 bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN); 2555 skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size); 2556 if (!skb) { 2557 DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n"); 2558 rc = -ENOMEM; 2559 goto test_loopback_exit; 2560 } 2561 packet = skb_put(skb, pkt_size); 2562 memcpy(packet, bp->dev->dev_addr, ETH_ALEN); 2563 eth_zero_addr(packet + ETH_ALEN); 2564 memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN)); 2565 for (i = ETH_HLEN; i < pkt_size; i++) 2566 packet[i] = (unsigned char) (i & 0xff); 2567 mapping = dma_map_single(&bp->pdev->dev, skb->data, 2568 skb_headlen(skb), DMA_TO_DEVICE); 2569 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { 2570 rc = -ENOMEM; 2571 dev_kfree_skb(skb); 2572 DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n"); 2573 goto test_loopback_exit; 2574 } 2575 2576 /* send the loopback packet */ 2577 num_pkts = 0; 2578 tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb); 2579 rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb); 2580 2581 netdev_tx_sent_queue(txq, skb->len); 2582 2583 pkt_prod = txdata->tx_pkt_prod++; 2584 tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)]; 2585 tx_buf->first_bd = txdata->tx_bd_prod; 2586 tx_buf->skb = skb; 2587 tx_buf->flags = 0; 2588 2589 bd_prod = TX_BD(txdata->tx_bd_prod); 2590 tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd; 2591 tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); 2592 tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); 2593 tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */ 2594 tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb)); 2595 tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod); 2596 tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; 2597 SET_FLAG(tx_start_bd->general_data, 2598 ETH_TX_START_BD_HDR_NBDS, 2599 1); 2600 SET_FLAG(tx_start_bd->general_data, 2601 ETH_TX_START_BD_PARSE_NBDS, 2602 0); 2603 2604 /* turn on parsing and get a BD */ 2605 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); 2606 2607 if (CHIP_IS_E1x(bp)) { 2608 u16 global_data = 0; 2609 struct eth_tx_parse_bd_e1x *pbd_e1x = 2610 &txdata->tx_desc_ring[bd_prod].parse_bd_e1x; 2611 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x)); 2612 SET_FLAG(global_data, 2613 ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE, UNICAST_ADDRESS); 2614 pbd_e1x->global_data = cpu_to_le16(global_data); 2615 } else { 2616 u32 parsing_data = 0; 2617 struct eth_tx_parse_bd_e2 *pbd_e2 = 2618 &txdata->tx_desc_ring[bd_prod].parse_bd_e2; 2619 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2)); 2620 SET_FLAG(parsing_data, 2621 ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE, UNICAST_ADDRESS); 2622 pbd_e2->parsing_data = cpu_to_le32(parsing_data); 2623 } 2624 wmb(); 2625 2626 txdata->tx_db.data.prod += 2; 2627 /* make sure descriptor update is observed by the HW */ 2628 wmb(); 2629 DOORBELL_RELAXED(bp, txdata->cid, txdata->tx_db.raw); 2630 2631 barrier(); 2632 2633 num_pkts++; 2634 txdata->tx_bd_prod += 2; /* start + pbd */ 2635 2636 udelay(100); 2637 2638 tx_idx = le16_to_cpu(*txdata->tx_cons_sb); 2639 if (tx_idx != tx_start_idx + num_pkts) 2640 goto test_loopback_exit; 2641 2642 /* Unlike HC IGU won't generate an interrupt for status block 2643 * updates that have been performed while interrupts were 2644 * disabled. 2645 */ 2646 if (bp->common.int_block == INT_BLOCK_IGU) { 2647 /* Disable local BHes to prevent a dead-lock situation between 2648 * sch_direct_xmit() and bnx2x_run_loopback() (calling 2649 * bnx2x_tx_int()), as both are taking netif_tx_lock(). 2650 */ 2651 local_bh_disable(); 2652 bnx2x_tx_int(bp, txdata); 2653 local_bh_enable(); 2654 } 2655 2656 rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb); 2657 if (rx_idx != rx_start_idx + num_pkts) 2658 goto test_loopback_exit; 2659 2660 cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)]; 2661 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; 2662 cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE; 2663 if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS)) 2664 goto test_loopback_rx_exit; 2665 2666 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len); 2667 if (len != pkt_size) 2668 goto test_loopback_rx_exit; 2669 2670 rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)]; 2671 dma_sync_single_for_cpu(&bp->pdev->dev, 2672 dma_unmap_addr(rx_buf, mapping), 2673 fp_rx->rx_buf_size, DMA_FROM_DEVICE); 2674 data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset; 2675 for (i = ETH_HLEN; i < pkt_size; i++) 2676 if (*(data + i) != (unsigned char) (i & 0xff)) 2677 goto test_loopback_rx_exit; 2678 2679 rc = 0; 2680 2681 test_loopback_rx_exit: 2682 2683 fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons); 2684 fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod); 2685 fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons); 2686 fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod); 2687 2688 /* Update producers */ 2689 bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod, 2690 fp_rx->rx_sge_prod); 2691 2692 test_loopback_exit: 2693 bp->link_params.loopback_mode = LOOPBACK_NONE; 2694 2695 return rc; 2696 } 2697 2698 static int bnx2x_test_loopback(struct bnx2x *bp) 2699 { 2700 int rc = 0, res; 2701 2702 if (BP_NOMCP(bp)) 2703 return rc; 2704 2705 if (!netif_running(bp->dev)) 2706 return BNX2X_LOOPBACK_FAILED; 2707 2708 bnx2x_netif_stop(bp, 1); 2709 bnx2x_acquire_phy_lock(bp); 2710 2711 res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK); 2712 if (res) { 2713 DP(BNX2X_MSG_ETHTOOL, " PHY loopback failed (res %d)\n", res); 2714 rc |= BNX2X_PHY_LOOPBACK_FAILED; 2715 } 2716 2717 res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK); 2718 if (res) { 2719 DP(BNX2X_MSG_ETHTOOL, " MAC loopback failed (res %d)\n", res); 2720 rc |= BNX2X_MAC_LOOPBACK_FAILED; 2721 } 2722 2723 bnx2x_release_phy_lock(bp); 2724 bnx2x_netif_start(bp); 2725 2726 return rc; 2727 } 2728 2729 static int bnx2x_test_ext_loopback(struct bnx2x *bp) 2730 { 2731 int rc; 2732 u8 is_serdes = 2733 (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0; 2734 2735 if (BP_NOMCP(bp)) 2736 return -ENODEV; 2737 2738 if (!netif_running(bp->dev)) 2739 return BNX2X_EXT_LOOPBACK_FAILED; 2740 2741 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false); 2742 rc = bnx2x_nic_load(bp, LOAD_LOOPBACK_EXT); 2743 if (rc) { 2744 DP(BNX2X_MSG_ETHTOOL, 2745 "Can't perform self-test, nic_load (for external lb) failed\n"); 2746 return -ENODEV; 2747 } 2748 bnx2x_wait_for_link(bp, 1, is_serdes); 2749 2750 bnx2x_netif_stop(bp, 1); 2751 2752 rc = bnx2x_run_loopback(bp, BNX2X_EXT_LOOPBACK); 2753 if (rc) 2754 DP(BNX2X_MSG_ETHTOOL, "EXT loopback failed (res %d)\n", rc); 2755 2756 bnx2x_netif_start(bp); 2757 2758 return rc; 2759 } 2760 2761 struct code_entry { 2762 u32 sram_start_addr; 2763 u32 code_attribute; 2764 #define CODE_IMAGE_TYPE_MASK 0xf0800003 2765 #define CODE_IMAGE_VNTAG_PROFILES_DATA 0xd0000003 2766 #define CODE_IMAGE_LENGTH_MASK 0x007ffffc 2767 #define CODE_IMAGE_TYPE_EXTENDED_DIR 0xe0000000 2768 u32 nvm_start_addr; 2769 }; 2770 2771 #define CODE_ENTRY_MAX 16 2772 #define CODE_ENTRY_EXTENDED_DIR_IDX 15 2773 #define MAX_IMAGES_IN_EXTENDED_DIR 64 2774 #define NVRAM_DIR_OFFSET 0x14 2775 2776 #define EXTENDED_DIR_EXISTS(code) \ 2777 ((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \ 2778 (code & CODE_IMAGE_LENGTH_MASK) != 0) 2779 2780 #define CRC32_RESIDUAL 0xdebb20e3 2781 #define CRC_BUFF_SIZE 256 2782 2783 static int bnx2x_nvram_crc(struct bnx2x *bp, 2784 int offset, 2785 int size, 2786 u8 *buff) 2787 { 2788 u32 crc = ~0; 2789 int rc = 0, done = 0; 2790 2791 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2792 "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size); 2793 2794 while (done < size) { 2795 int count = min_t(int, size - done, CRC_BUFF_SIZE); 2796 2797 rc = bnx2x_nvram_read(bp, offset + done, buff, count); 2798 2799 if (rc) 2800 return rc; 2801 2802 crc = crc32_le(crc, buff, count); 2803 done += count; 2804 } 2805 2806 if (crc != CRC32_RESIDUAL) 2807 rc = -EINVAL; 2808 2809 return rc; 2810 } 2811 2812 static int bnx2x_test_nvram_dir(struct bnx2x *bp, 2813 struct code_entry *entry, 2814 u8 *buff) 2815 { 2816 size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK; 2817 u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK; 2818 int rc; 2819 2820 /* Zero-length images and AFEX profiles do not have CRC */ 2821 if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA) 2822 return 0; 2823 2824 rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff); 2825 if (rc) 2826 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2827 "image %x has failed crc test (rc %d)\n", type, rc); 2828 2829 return rc; 2830 } 2831 2832 static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff) 2833 { 2834 int rc; 2835 struct code_entry entry; 2836 2837 rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry)); 2838 if (rc) 2839 return rc; 2840 2841 return bnx2x_test_nvram_dir(bp, &entry, buff); 2842 } 2843 2844 static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff) 2845 { 2846 u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET; 2847 struct code_entry entry; 2848 int i; 2849 2850 rc = bnx2x_nvram_read32(bp, 2851 dir_offset + 2852 sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX, 2853 (u32 *)&entry, sizeof(entry)); 2854 if (rc) 2855 return rc; 2856 2857 if (!EXTENDED_DIR_EXISTS(entry.code_attribute)) 2858 return 0; 2859 2860 rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr, 2861 &cnt, sizeof(u32)); 2862 if (rc) 2863 return rc; 2864 2865 dir_offset = entry.nvm_start_addr + 8; 2866 2867 for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) { 2868 rc = bnx2x_test_dir_entry(bp, dir_offset + 2869 sizeof(struct code_entry) * i, 2870 buff); 2871 if (rc) 2872 return rc; 2873 } 2874 2875 return 0; 2876 } 2877 2878 static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff) 2879 { 2880 u32 rc, dir_offset = NVRAM_DIR_OFFSET; 2881 int i; 2882 2883 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n"); 2884 2885 for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) { 2886 rc = bnx2x_test_dir_entry(bp, dir_offset + 2887 sizeof(struct code_entry) * i, 2888 buff); 2889 if (rc) 2890 return rc; 2891 } 2892 2893 return bnx2x_test_nvram_ext_dirs(bp, buff); 2894 } 2895 2896 struct crc_pair { 2897 int offset; 2898 int size; 2899 }; 2900 2901 static int bnx2x_test_nvram_tbl(struct bnx2x *bp, 2902 const struct crc_pair *nvram_tbl, u8 *buf) 2903 { 2904 int i; 2905 2906 for (i = 0; nvram_tbl[i].size; i++) { 2907 int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset, 2908 nvram_tbl[i].size, buf); 2909 if (rc) { 2910 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2911 "nvram_tbl[%d] has failed crc test (rc %d)\n", 2912 i, rc); 2913 return rc; 2914 } 2915 } 2916 2917 return 0; 2918 } 2919 2920 static int bnx2x_test_nvram(struct bnx2x *bp) 2921 { 2922 static const struct crc_pair nvram_tbl[] = { 2923 { 0, 0x14 }, /* bootstrap */ 2924 { 0x14, 0xec }, /* dir */ 2925 { 0x100, 0x350 }, /* manuf_info */ 2926 { 0x450, 0xf0 }, /* feature_info */ 2927 { 0x640, 0x64 }, /* upgrade_key_info */ 2928 { 0x708, 0x70 }, /* manuf_key_info */ 2929 { 0, 0 } 2930 }; 2931 static const struct crc_pair nvram_tbl2[] = { 2932 { 0x7e8, 0x350 }, /* manuf_info2 */ 2933 { 0xb38, 0xf0 }, /* feature_info */ 2934 { 0, 0 } 2935 }; 2936 2937 u8 *buf; 2938 int rc; 2939 u32 magic; 2940 2941 if (BP_NOMCP(bp)) 2942 return 0; 2943 2944 buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL); 2945 if (!buf) { 2946 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n"); 2947 rc = -ENOMEM; 2948 goto test_nvram_exit; 2949 } 2950 2951 rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic)); 2952 if (rc) { 2953 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2954 "magic value read (rc %d)\n", rc); 2955 goto test_nvram_exit; 2956 } 2957 2958 if (magic != 0x669955aa) { 2959 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2960 "wrong magic value (0x%08x)\n", magic); 2961 rc = -ENODEV; 2962 goto test_nvram_exit; 2963 } 2964 2965 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n"); 2966 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf); 2967 if (rc) 2968 goto test_nvram_exit; 2969 2970 if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) { 2971 u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) & 2972 SHARED_HW_CFG_HIDE_PORT1; 2973 2974 if (!hide) { 2975 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2976 "Port 1 CRC test-set\n"); 2977 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf); 2978 if (rc) 2979 goto test_nvram_exit; 2980 } 2981 } 2982 2983 rc = bnx2x_test_nvram_dirs(bp, buf); 2984 2985 test_nvram_exit: 2986 kfree(buf); 2987 return rc; 2988 } 2989 2990 /* Send an EMPTY ramrod on the first queue */ 2991 static int bnx2x_test_intr(struct bnx2x *bp) 2992 { 2993 struct bnx2x_queue_state_params params = {NULL}; 2994 2995 if (!netif_running(bp->dev)) { 2996 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2997 "cannot access eeprom when the interface is down\n"); 2998 return -ENODEV; 2999 } 3000 3001 params.q_obj = &bp->sp_objs->q_obj; 3002 params.cmd = BNX2X_Q_CMD_EMPTY; 3003 3004 __set_bit(RAMROD_COMP_WAIT, ¶ms.ramrod_flags); 3005 3006 return bnx2x_queue_state_change(bp, ¶ms); 3007 } 3008 3009 static void bnx2x_self_test(struct net_device *dev, 3010 struct ethtool_test *etest, u64 *buf) 3011 { 3012 struct bnx2x *bp = netdev_priv(dev); 3013 u8 is_serdes, link_up; 3014 int rc, cnt = 0; 3015 3016 if (pci_num_vf(bp->pdev)) { 3017 DP(BNX2X_MSG_IOV, 3018 "VFs are enabled, can not perform self test\n"); 3019 return; 3020 } 3021 3022 if (bp->recovery_state != BNX2X_RECOVERY_DONE) { 3023 netdev_err(bp->dev, 3024 "Handling parity error recovery. Try again later\n"); 3025 etest->flags |= ETH_TEST_FL_FAILED; 3026 return; 3027 } 3028 3029 DP(BNX2X_MSG_ETHTOOL, 3030 "Self-test command parameters: offline = %d, external_lb = %d\n", 3031 (etest->flags & ETH_TEST_FL_OFFLINE), 3032 (etest->flags & ETH_TEST_FL_EXTERNAL_LB)>>2); 3033 3034 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp)); 3035 3036 if (bnx2x_test_nvram(bp) != 0) { 3037 if (!IS_MF(bp)) 3038 buf[4] = 1; 3039 else 3040 buf[0] = 1; 3041 etest->flags |= ETH_TEST_FL_FAILED; 3042 } 3043 3044 if (!netif_running(dev)) { 3045 DP(BNX2X_MSG_ETHTOOL, "Interface is down\n"); 3046 return; 3047 } 3048 3049 is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0; 3050 link_up = bp->link_vars.link_up; 3051 /* offline tests are not supported in MF mode */ 3052 if ((etest->flags & ETH_TEST_FL_OFFLINE) && !IS_MF(bp)) { 3053 int port = BP_PORT(bp); 3054 u32 val; 3055 3056 /* save current value of input enable for TX port IF */ 3057 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4); 3058 /* disable input for TX port IF */ 3059 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0); 3060 3061 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false); 3062 rc = bnx2x_nic_load(bp, LOAD_DIAG); 3063 if (rc) { 3064 etest->flags |= ETH_TEST_FL_FAILED; 3065 DP(BNX2X_MSG_ETHTOOL, 3066 "Can't perform self-test, nic_load (for offline) failed\n"); 3067 return; 3068 } 3069 3070 /* wait until link state is restored */ 3071 bnx2x_wait_for_link(bp, 1, is_serdes); 3072 3073 if (bnx2x_test_registers(bp) != 0) { 3074 buf[0] = 1; 3075 etest->flags |= ETH_TEST_FL_FAILED; 3076 } 3077 if (bnx2x_test_memory(bp) != 0) { 3078 buf[1] = 1; 3079 etest->flags |= ETH_TEST_FL_FAILED; 3080 } 3081 3082 buf[2] = bnx2x_test_loopback(bp); /* internal LB */ 3083 if (buf[2] != 0) 3084 etest->flags |= ETH_TEST_FL_FAILED; 3085 3086 if (etest->flags & ETH_TEST_FL_EXTERNAL_LB) { 3087 buf[3] = bnx2x_test_ext_loopback(bp); /* external LB */ 3088 if (buf[3] != 0) 3089 etest->flags |= ETH_TEST_FL_FAILED; 3090 etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 3091 } 3092 3093 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false); 3094 3095 /* restore input for TX port IF */ 3096 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val); 3097 rc = bnx2x_nic_load(bp, LOAD_NORMAL); 3098 if (rc) { 3099 etest->flags |= ETH_TEST_FL_FAILED; 3100 DP(BNX2X_MSG_ETHTOOL, 3101 "Can't perform self-test, nic_load (for online) failed\n"); 3102 return; 3103 } 3104 /* wait until link state is restored */ 3105 bnx2x_wait_for_link(bp, link_up, is_serdes); 3106 } 3107 3108 if (bnx2x_test_intr(bp) != 0) { 3109 if (!IS_MF(bp)) 3110 buf[5] = 1; 3111 else 3112 buf[1] = 1; 3113 etest->flags |= ETH_TEST_FL_FAILED; 3114 } 3115 3116 if (link_up) { 3117 cnt = 100; 3118 while (bnx2x_link_test(bp, is_serdes) && --cnt) 3119 msleep(20); 3120 } 3121 3122 if (!cnt) { 3123 if (!IS_MF(bp)) 3124 buf[6] = 1; 3125 else 3126 buf[2] = 1; 3127 etest->flags |= ETH_TEST_FL_FAILED; 3128 } 3129 } 3130 3131 #define IS_PORT_STAT(i) (bnx2x_stats_arr[i].is_port_stat) 3132 #define HIDE_PORT_STAT(bp) IS_VF(bp) 3133 3134 /* ethtool statistics are displayed for all regular ethernet queues and the 3135 * fcoe L2 queue if not disabled 3136 */ 3137 static int bnx2x_num_stat_queues(struct bnx2x *bp) 3138 { 3139 return BNX2X_NUM_ETH_QUEUES(bp); 3140 } 3141 3142 static int bnx2x_get_sset_count(struct net_device *dev, int stringset) 3143 { 3144 struct bnx2x *bp = netdev_priv(dev); 3145 int i, num_strings = 0; 3146 3147 switch (stringset) { 3148 case ETH_SS_STATS: 3149 if (is_multi(bp)) { 3150 num_strings = bnx2x_num_stat_queues(bp) * 3151 BNX2X_NUM_Q_STATS; 3152 } else 3153 num_strings = 0; 3154 if (HIDE_PORT_STAT(bp)) { 3155 for (i = 0; i < BNX2X_NUM_STATS; i++) 3156 if (!IS_PORT_STAT(i)) 3157 num_strings++; 3158 } else 3159 num_strings += BNX2X_NUM_STATS; 3160 3161 return num_strings; 3162 3163 case ETH_SS_TEST: 3164 return BNX2X_NUM_TESTS(bp); 3165 3166 case ETH_SS_PRIV_FLAGS: 3167 return BNX2X_PRI_FLAG_LEN; 3168 3169 default: 3170 return -EINVAL; 3171 } 3172 } 3173 3174 static u32 bnx2x_get_private_flags(struct net_device *dev) 3175 { 3176 struct bnx2x *bp = netdev_priv(dev); 3177 u32 flags = 0; 3178 3179 flags |= (!(bp->flags & NO_ISCSI_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_ISCSI; 3180 flags |= (!(bp->flags & NO_FCOE_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_FCOE; 3181 flags |= (!!IS_MF_STORAGE_ONLY(bp)) << BNX2X_PRI_FLAG_STORAGE; 3182 3183 return flags; 3184 } 3185 3186 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 3187 { 3188 struct bnx2x *bp = netdev_priv(dev); 3189 int i, j, k, start; 3190 char queue_name[MAX_QUEUE_NAME_LEN+1]; 3191 3192 switch (stringset) { 3193 case ETH_SS_STATS: 3194 k = 0; 3195 if (is_multi(bp)) { 3196 for_each_eth_queue(bp, i) { 3197 memset(queue_name, 0, sizeof(queue_name)); 3198 snprintf(queue_name, sizeof(queue_name), 3199 "%d", i); 3200 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) 3201 snprintf(buf + (k + j)*ETH_GSTRING_LEN, 3202 ETH_GSTRING_LEN, 3203 bnx2x_q_stats_arr[j].string, 3204 queue_name); 3205 k += BNX2X_NUM_Q_STATS; 3206 } 3207 } 3208 3209 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { 3210 if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i)) 3211 continue; 3212 strcpy(buf + (k + j)*ETH_GSTRING_LEN, 3213 bnx2x_stats_arr[i].string); 3214 j++; 3215 } 3216 3217 break; 3218 3219 case ETH_SS_TEST: 3220 /* First 4 tests cannot be done in MF mode */ 3221 if (!IS_MF(bp)) 3222 start = 0; 3223 else 3224 start = 4; 3225 memcpy(buf, bnx2x_tests_str_arr + start, 3226 ETH_GSTRING_LEN * BNX2X_NUM_TESTS(bp)); 3227 break; 3228 3229 case ETH_SS_PRIV_FLAGS: 3230 memcpy(buf, bnx2x_private_arr, 3231 ETH_GSTRING_LEN * BNX2X_PRI_FLAG_LEN); 3232 break; 3233 } 3234 } 3235 3236 static void bnx2x_get_ethtool_stats(struct net_device *dev, 3237 struct ethtool_stats *stats, u64 *buf) 3238 { 3239 struct bnx2x *bp = netdev_priv(dev); 3240 u32 *hw_stats, *offset; 3241 int i, j, k = 0; 3242 3243 if (is_multi(bp)) { 3244 for_each_eth_queue(bp, i) { 3245 hw_stats = (u32 *)&bp->fp_stats[i].eth_q_stats; 3246 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) { 3247 if (bnx2x_q_stats_arr[j].size == 0) { 3248 /* skip this counter */ 3249 buf[k + j] = 0; 3250 continue; 3251 } 3252 offset = (hw_stats + 3253 bnx2x_q_stats_arr[j].offset); 3254 if (bnx2x_q_stats_arr[j].size == 4) { 3255 /* 4-byte counter */ 3256 buf[k + j] = (u64) *offset; 3257 continue; 3258 } 3259 /* 8-byte counter */ 3260 buf[k + j] = HILO_U64(*offset, *(offset + 1)); 3261 } 3262 k += BNX2X_NUM_Q_STATS; 3263 } 3264 } 3265 3266 hw_stats = (u32 *)&bp->eth_stats; 3267 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { 3268 if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i)) 3269 continue; 3270 if (bnx2x_stats_arr[i].size == 0) { 3271 /* skip this counter */ 3272 buf[k + j] = 0; 3273 j++; 3274 continue; 3275 } 3276 offset = (hw_stats + bnx2x_stats_arr[i].offset); 3277 if (bnx2x_stats_arr[i].size == 4) { 3278 /* 4-byte counter */ 3279 buf[k + j] = (u64) *offset; 3280 j++; 3281 continue; 3282 } 3283 /* 8-byte counter */ 3284 buf[k + j] = HILO_U64(*offset, *(offset + 1)); 3285 j++; 3286 } 3287 } 3288 3289 static int bnx2x_set_phys_id(struct net_device *dev, 3290 enum ethtool_phys_id_state state) 3291 { 3292 struct bnx2x *bp = netdev_priv(dev); 3293 3294 if (!bnx2x_is_nvm_accessible(bp)) { 3295 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 3296 "cannot access eeprom when the interface is down\n"); 3297 return -EAGAIN; 3298 } 3299 3300 switch (state) { 3301 case ETHTOOL_ID_ACTIVE: 3302 return 1; /* cycle on/off once per second */ 3303 3304 case ETHTOOL_ID_ON: 3305 bnx2x_acquire_phy_lock(bp); 3306 bnx2x_set_led(&bp->link_params, &bp->link_vars, 3307 LED_MODE_ON, SPEED_1000); 3308 bnx2x_release_phy_lock(bp); 3309 break; 3310 3311 case ETHTOOL_ID_OFF: 3312 bnx2x_acquire_phy_lock(bp); 3313 bnx2x_set_led(&bp->link_params, &bp->link_vars, 3314 LED_MODE_FRONT_PANEL_OFF, 0); 3315 bnx2x_release_phy_lock(bp); 3316 break; 3317 3318 case ETHTOOL_ID_INACTIVE: 3319 bnx2x_acquire_phy_lock(bp); 3320 bnx2x_set_led(&bp->link_params, &bp->link_vars, 3321 LED_MODE_OPER, 3322 bp->link_vars.line_speed); 3323 bnx2x_release_phy_lock(bp); 3324 } 3325 3326 return 0; 3327 } 3328 3329 static int bnx2x_get_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info) 3330 { 3331 switch (info->flow_type) { 3332 case TCP_V4_FLOW: 3333 case TCP_V6_FLOW: 3334 info->data = RXH_IP_SRC | RXH_IP_DST | 3335 RXH_L4_B_0_1 | RXH_L4_B_2_3; 3336 break; 3337 case UDP_V4_FLOW: 3338 if (bp->rss_conf_obj.udp_rss_v4) 3339 info->data = RXH_IP_SRC | RXH_IP_DST | 3340 RXH_L4_B_0_1 | RXH_L4_B_2_3; 3341 else 3342 info->data = RXH_IP_SRC | RXH_IP_DST; 3343 break; 3344 case UDP_V6_FLOW: 3345 if (bp->rss_conf_obj.udp_rss_v6) 3346 info->data = RXH_IP_SRC | RXH_IP_DST | 3347 RXH_L4_B_0_1 | RXH_L4_B_2_3; 3348 else 3349 info->data = RXH_IP_SRC | RXH_IP_DST; 3350 break; 3351 case IPV4_FLOW: 3352 case IPV6_FLOW: 3353 info->data = RXH_IP_SRC | RXH_IP_DST; 3354 break; 3355 default: 3356 info->data = 0; 3357 break; 3358 } 3359 3360 return 0; 3361 } 3362 3363 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 3364 u32 *rules __always_unused) 3365 { 3366 struct bnx2x *bp = netdev_priv(dev); 3367 3368 switch (info->cmd) { 3369 case ETHTOOL_GRXRINGS: 3370 info->data = BNX2X_NUM_ETH_QUEUES(bp); 3371 return 0; 3372 case ETHTOOL_GRXFH: 3373 return bnx2x_get_rss_flags(bp, info); 3374 default: 3375 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 3376 return -EOPNOTSUPP; 3377 } 3378 } 3379 3380 static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info) 3381 { 3382 int udp_rss_requested; 3383 3384 DP(BNX2X_MSG_ETHTOOL, 3385 "Set rss flags command parameters: flow type = %d, data = %llu\n", 3386 info->flow_type, info->data); 3387 3388 switch (info->flow_type) { 3389 case TCP_V4_FLOW: 3390 case TCP_V6_FLOW: 3391 /* For TCP only 4-tupple hash is supported */ 3392 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST | 3393 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 3394 DP(BNX2X_MSG_ETHTOOL, 3395 "Command parameters not supported\n"); 3396 return -EINVAL; 3397 } 3398 return 0; 3399 3400 case UDP_V4_FLOW: 3401 case UDP_V6_FLOW: 3402 /* For UDP either 2-tupple hash or 4-tupple hash is supported */ 3403 if (info->data == (RXH_IP_SRC | RXH_IP_DST | 3404 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 3405 udp_rss_requested = 1; 3406 else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) 3407 udp_rss_requested = 0; 3408 else 3409 return -EINVAL; 3410 3411 if (CHIP_IS_E1x(bp) && udp_rss_requested) { 3412 DP(BNX2X_MSG_ETHTOOL, 3413 "57710, 57711 boards don't support RSS according to UDP 4-tuple\n"); 3414 return -EINVAL; 3415 } 3416 3417 if ((info->flow_type == UDP_V4_FLOW) && 3418 (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) { 3419 bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested; 3420 DP(BNX2X_MSG_ETHTOOL, 3421 "rss re-configured, UDP 4-tupple %s\n", 3422 udp_rss_requested ? "enabled" : "disabled"); 3423 if (bp->state == BNX2X_STATE_OPEN) 3424 return bnx2x_rss(bp, &bp->rss_conf_obj, false, 3425 true); 3426 } else if ((info->flow_type == UDP_V6_FLOW) && 3427 (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) { 3428 bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested; 3429 DP(BNX2X_MSG_ETHTOOL, 3430 "rss re-configured, UDP 4-tupple %s\n", 3431 udp_rss_requested ? "enabled" : "disabled"); 3432 if (bp->state == BNX2X_STATE_OPEN) 3433 return bnx2x_rss(bp, &bp->rss_conf_obj, false, 3434 true); 3435 } 3436 return 0; 3437 3438 case IPV4_FLOW: 3439 case IPV6_FLOW: 3440 /* For IP only 2-tupple hash is supported */ 3441 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) { 3442 DP(BNX2X_MSG_ETHTOOL, 3443 "Command parameters not supported\n"); 3444 return -EINVAL; 3445 } 3446 return 0; 3447 3448 case SCTP_V4_FLOW: 3449 case AH_ESP_V4_FLOW: 3450 case AH_V4_FLOW: 3451 case ESP_V4_FLOW: 3452 case SCTP_V6_FLOW: 3453 case AH_ESP_V6_FLOW: 3454 case AH_V6_FLOW: 3455 case ESP_V6_FLOW: 3456 case IP_USER_FLOW: 3457 case ETHER_FLOW: 3458 /* RSS is not supported for these protocols */ 3459 if (info->data) { 3460 DP(BNX2X_MSG_ETHTOOL, 3461 "Command parameters not supported\n"); 3462 return -EINVAL; 3463 } 3464 return 0; 3465 3466 default: 3467 return -EINVAL; 3468 } 3469 } 3470 3471 static int bnx2x_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info) 3472 { 3473 struct bnx2x *bp = netdev_priv(dev); 3474 3475 switch (info->cmd) { 3476 case ETHTOOL_SRXFH: 3477 return bnx2x_set_rss_flags(bp, info); 3478 default: 3479 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 3480 return -EOPNOTSUPP; 3481 } 3482 } 3483 3484 static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev) 3485 { 3486 return T_ETH_INDIRECTION_TABLE_SIZE; 3487 } 3488 3489 static int bnx2x_get_rxfh(struct net_device *dev, 3490 struct ethtool_rxfh_param *rxfh) 3491 { 3492 struct bnx2x *bp = netdev_priv(dev); 3493 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0}; 3494 size_t i; 3495 3496 rxfh->hfunc = ETH_RSS_HASH_TOP; 3497 if (!rxfh->indir) 3498 return 0; 3499 3500 /* Get the current configuration of the RSS indirection table */ 3501 bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table); 3502 3503 /* 3504 * We can't use a memcpy() as an internal storage of an 3505 * indirection table is a u8 array while indir->ring_index 3506 * points to an array of u32. 3507 * 3508 * Indirection table contains the FW Client IDs, so we need to 3509 * align the returned table to the Client ID of the leading RSS 3510 * queue. 3511 */ 3512 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) 3513 rxfh->indir[i] = ind_table[i] - bp->fp->cl_id; 3514 3515 return 0; 3516 } 3517 3518 static int bnx2x_set_rxfh(struct net_device *dev, 3519 struct ethtool_rxfh_param *rxfh, 3520 struct netlink_ext_ack *extack) 3521 { 3522 struct bnx2x *bp = netdev_priv(dev); 3523 size_t i; 3524 3525 /* We require at least one supported parameter to be changed and no 3526 * change in any of the unsupported parameters 3527 */ 3528 if (rxfh->key || 3529 (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 3530 rxfh->hfunc != ETH_RSS_HASH_TOP)) 3531 return -EOPNOTSUPP; 3532 3533 if (!rxfh->indir) 3534 return 0; 3535 3536 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) { 3537 /* 3538 * The same as in bnx2x_get_rxfh: we can't use a memcpy() 3539 * as an internal storage of an indirection table is a u8 array 3540 * while indir->ring_index points to an array of u32. 3541 * 3542 * Indirection table contains the FW Client IDs, so we need to 3543 * align the received table to the Client ID of the leading RSS 3544 * queue 3545 */ 3546 bp->rss_conf_obj.ind_table[i] = rxfh->indir[i] + bp->fp->cl_id; 3547 } 3548 3549 if (bp->state == BNX2X_STATE_OPEN) 3550 return bnx2x_config_rss_eth(bp, false); 3551 3552 return 0; 3553 } 3554 3555 /** 3556 * bnx2x_get_channels - gets the number of RSS queues. 3557 * 3558 * @dev: net device 3559 * @channels: returns the number of max / current queues 3560 */ 3561 static void bnx2x_get_channels(struct net_device *dev, 3562 struct ethtool_channels *channels) 3563 { 3564 struct bnx2x *bp = netdev_priv(dev); 3565 3566 channels->max_combined = BNX2X_MAX_RSS_COUNT(bp); 3567 channels->combined_count = BNX2X_NUM_ETH_QUEUES(bp); 3568 } 3569 3570 /** 3571 * bnx2x_change_num_queues - change the number of RSS queues. 3572 * 3573 * @bp: bnx2x private structure 3574 * @num_rss: rss count 3575 * 3576 * Re-configure interrupt mode to get the new number of MSI-X 3577 * vectors and re-add NAPI objects. 3578 */ 3579 static void bnx2x_change_num_queues(struct bnx2x *bp, int num_rss) 3580 { 3581 bnx2x_disable_msi(bp); 3582 bp->num_ethernet_queues = num_rss; 3583 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues; 3584 BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues); 3585 bnx2x_set_int_mode(bp); 3586 } 3587 3588 /** 3589 * bnx2x_set_channels - sets the number of RSS queues. 3590 * 3591 * @dev: net device 3592 * @channels: includes the number of queues requested 3593 */ 3594 static int bnx2x_set_channels(struct net_device *dev, 3595 struct ethtool_channels *channels) 3596 { 3597 struct bnx2x *bp = netdev_priv(dev); 3598 3599 DP(BNX2X_MSG_ETHTOOL, 3600 "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n", 3601 channels->rx_count, channels->tx_count, channels->other_count, 3602 channels->combined_count); 3603 3604 if (pci_num_vf(bp->pdev)) { 3605 DP(BNX2X_MSG_IOV, "VFs are enabled, can not set channels\n"); 3606 return -EPERM; 3607 } 3608 3609 /* We don't support separate rx / tx channels. 3610 * We don't allow setting 'other' channels. 3611 */ 3612 if (channels->rx_count || channels->tx_count || channels->other_count 3613 || (channels->combined_count == 0) || 3614 (channels->combined_count > BNX2X_MAX_RSS_COUNT(bp))) { 3615 DP(BNX2X_MSG_ETHTOOL, "command parameters not supported\n"); 3616 return -EINVAL; 3617 } 3618 3619 /* Check if there was a change in the active parameters */ 3620 if (channels->combined_count == BNX2X_NUM_ETH_QUEUES(bp)) { 3621 DP(BNX2X_MSG_ETHTOOL, "No change in active parameters\n"); 3622 return 0; 3623 } 3624 3625 /* Set the requested number of queues in bp context. 3626 * Note that the actual number of queues created during load may be 3627 * less than requested if memory is low. 3628 */ 3629 if (unlikely(!netif_running(dev))) { 3630 bnx2x_change_num_queues(bp, channels->combined_count); 3631 return 0; 3632 } 3633 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true); 3634 bnx2x_change_num_queues(bp, channels->combined_count); 3635 return bnx2x_nic_load(bp, LOAD_NORMAL); 3636 } 3637 3638 static int bnx2x_get_ts_info(struct net_device *dev, 3639 struct ethtool_ts_info *info) 3640 { 3641 struct bnx2x *bp = netdev_priv(dev); 3642 3643 if (bp->flags & PTP_SUPPORTED) { 3644 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3645 SOF_TIMESTAMPING_RX_SOFTWARE | 3646 SOF_TIMESTAMPING_SOFTWARE | 3647 SOF_TIMESTAMPING_TX_HARDWARE | 3648 SOF_TIMESTAMPING_RX_HARDWARE | 3649 SOF_TIMESTAMPING_RAW_HARDWARE; 3650 3651 if (bp->ptp_clock) 3652 info->phc_index = ptp_clock_index(bp->ptp_clock); 3653 else 3654 info->phc_index = -1; 3655 3656 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 3657 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 3658 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 3659 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT); 3660 3661 info->tx_types = (1 << HWTSTAMP_TX_OFF)|(1 << HWTSTAMP_TX_ON); 3662 3663 return 0; 3664 } 3665 3666 return ethtool_op_get_ts_info(dev, info); 3667 } 3668 3669 static const struct ethtool_ops bnx2x_ethtool_ops = { 3670 .supported_coalesce_params = ETHTOOL_COALESCE_USECS, 3671 .get_drvinfo = bnx2x_get_drvinfo, 3672 .get_regs_len = bnx2x_get_regs_len, 3673 .get_regs = bnx2x_get_regs, 3674 .get_dump_flag = bnx2x_get_dump_flag, 3675 .get_dump_data = bnx2x_get_dump_data, 3676 .set_dump = bnx2x_set_dump, 3677 .get_wol = bnx2x_get_wol, 3678 .set_wol = bnx2x_set_wol, 3679 .get_msglevel = bnx2x_get_msglevel, 3680 .set_msglevel = bnx2x_set_msglevel, 3681 .nway_reset = bnx2x_nway_reset, 3682 .get_link = bnx2x_get_link, 3683 .get_eeprom_len = bnx2x_get_eeprom_len, 3684 .get_eeprom = bnx2x_get_eeprom, 3685 .set_eeprom = bnx2x_set_eeprom, 3686 .get_coalesce = bnx2x_get_coalesce, 3687 .set_coalesce = bnx2x_set_coalesce, 3688 .get_ringparam = bnx2x_get_ringparam, 3689 .set_ringparam = bnx2x_set_ringparam, 3690 .get_pauseparam = bnx2x_get_pauseparam, 3691 .set_pauseparam = bnx2x_set_pauseparam, 3692 .self_test = bnx2x_self_test, 3693 .get_sset_count = bnx2x_get_sset_count, 3694 .get_priv_flags = bnx2x_get_private_flags, 3695 .get_strings = bnx2x_get_strings, 3696 .set_phys_id = bnx2x_set_phys_id, 3697 .get_ethtool_stats = bnx2x_get_ethtool_stats, 3698 .get_rxnfc = bnx2x_get_rxnfc, 3699 .set_rxnfc = bnx2x_set_rxnfc, 3700 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size, 3701 .get_rxfh = bnx2x_get_rxfh, 3702 .set_rxfh = bnx2x_set_rxfh, 3703 .get_channels = bnx2x_get_channels, 3704 .set_channels = bnx2x_set_channels, 3705 .get_module_info = bnx2x_get_module_info, 3706 .get_module_eeprom = bnx2x_get_module_eeprom, 3707 .get_eee = bnx2x_get_eee, 3708 .set_eee = bnx2x_set_eee, 3709 .get_ts_info = bnx2x_get_ts_info, 3710 .get_link_ksettings = bnx2x_get_link_ksettings, 3711 .set_link_ksettings = bnx2x_set_link_ksettings, 3712 }; 3713 3714 static const struct ethtool_ops bnx2x_vf_ethtool_ops = { 3715 .get_drvinfo = bnx2x_get_drvinfo, 3716 .get_msglevel = bnx2x_get_msglevel, 3717 .set_msglevel = bnx2x_set_msglevel, 3718 .get_link = bnx2x_get_link, 3719 .get_coalesce = bnx2x_get_coalesce, 3720 .get_ringparam = bnx2x_get_ringparam, 3721 .set_ringparam = bnx2x_set_ringparam, 3722 .get_sset_count = bnx2x_get_sset_count, 3723 .get_strings = bnx2x_get_strings, 3724 .get_ethtool_stats = bnx2x_get_ethtool_stats, 3725 .get_rxnfc = bnx2x_get_rxnfc, 3726 .set_rxnfc = bnx2x_set_rxnfc, 3727 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size, 3728 .get_rxfh = bnx2x_get_rxfh, 3729 .set_rxfh = bnx2x_set_rxfh, 3730 .get_channels = bnx2x_get_channels, 3731 .set_channels = bnx2x_set_channels, 3732 .get_link_ksettings = bnx2x_get_vf_link_ksettings, 3733 }; 3734 3735 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev) 3736 { 3737 netdev->ethtool_ops = (IS_PF(bp)) ? 3738 &bnx2x_ethtool_ops : &bnx2x_vf_ethtool_ops; 3739 } 3740