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 }; 187 188 #define BNX2X_NUM_STATS ARRAY_SIZE(bnx2x_stats_arr) 189 190 static int bnx2x_get_port_type(struct bnx2x *bp) 191 { 192 int port_type; 193 u32 phy_idx = bnx2x_get_cur_phy_idx(bp); 194 switch (bp->link_params.phy[phy_idx].media_type) { 195 case ETH_PHY_SFPP_10G_FIBER: 196 case ETH_PHY_SFP_1G_FIBER: 197 case ETH_PHY_XFP_FIBER: 198 case ETH_PHY_KR: 199 case ETH_PHY_CX4: 200 port_type = PORT_FIBRE; 201 break; 202 case ETH_PHY_DA_TWINAX: 203 port_type = PORT_DA; 204 break; 205 case ETH_PHY_BASE_T: 206 port_type = PORT_TP; 207 break; 208 case ETH_PHY_NOT_PRESENT: 209 port_type = PORT_NONE; 210 break; 211 case ETH_PHY_UNSPECIFIED: 212 default: 213 port_type = PORT_OTHER; 214 break; 215 } 216 return port_type; 217 } 218 219 static int bnx2x_get_vf_settings(struct net_device *dev, 220 struct ethtool_cmd *cmd) 221 { 222 struct bnx2x *bp = netdev_priv(dev); 223 224 if (bp->state == BNX2X_STATE_OPEN) { 225 if (test_bit(BNX2X_LINK_REPORT_FD, 226 &bp->vf_link_vars.link_report_flags)) 227 cmd->duplex = DUPLEX_FULL; 228 else 229 cmd->duplex = DUPLEX_HALF; 230 231 ethtool_cmd_speed_set(cmd, bp->vf_link_vars.line_speed); 232 } else { 233 cmd->duplex = DUPLEX_UNKNOWN; 234 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN); 235 } 236 237 cmd->port = PORT_OTHER; 238 cmd->phy_address = 0; 239 cmd->transceiver = XCVR_INTERNAL; 240 cmd->autoneg = AUTONEG_DISABLE; 241 cmd->maxtxpkt = 0; 242 cmd->maxrxpkt = 0; 243 244 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n" 245 " supported 0x%x advertising 0x%x speed %u\n" 246 " duplex %d port %d phy_address %d transceiver %d\n" 247 " autoneg %d maxtxpkt %d maxrxpkt %d\n", 248 cmd->cmd, cmd->supported, cmd->advertising, 249 ethtool_cmd_speed(cmd), 250 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, 251 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); 252 253 return 0; 254 } 255 256 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 257 { 258 struct bnx2x *bp = netdev_priv(dev); 259 int cfg_idx = bnx2x_get_link_cfg_idx(bp); 260 u32 media_type; 261 262 /* Dual Media boards present all available port types */ 263 cmd->supported = bp->port.supported[cfg_idx] | 264 (bp->port.supported[cfg_idx ^ 1] & 265 (SUPPORTED_TP | SUPPORTED_FIBRE)); 266 cmd->advertising = bp->port.advertising[cfg_idx]; 267 media_type = bp->link_params.phy[bnx2x_get_cur_phy_idx(bp)].media_type; 268 if (media_type == ETH_PHY_SFP_1G_FIBER) { 269 cmd->supported &= ~(SUPPORTED_10000baseT_Full); 270 cmd->advertising &= ~(ADVERTISED_10000baseT_Full); 271 } 272 273 if ((bp->state == BNX2X_STATE_OPEN) && bp->link_vars.link_up && 274 !(bp->flags & MF_FUNC_DIS)) { 275 cmd->duplex = bp->link_vars.duplex; 276 277 if (IS_MF(bp) && !BP_NOMCP(bp)) 278 ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp)); 279 else 280 ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed); 281 } else { 282 cmd->duplex = DUPLEX_UNKNOWN; 283 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN); 284 } 285 286 cmd->port = bnx2x_get_port_type(bp); 287 288 cmd->phy_address = bp->mdio.prtad; 289 cmd->transceiver = XCVR_INTERNAL; 290 291 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) 292 cmd->autoneg = AUTONEG_ENABLE; 293 else 294 cmd->autoneg = AUTONEG_DISABLE; 295 296 /* Publish LP advertised speeds and FC */ 297 if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 298 u32 status = bp->link_vars.link_status; 299 300 cmd->lp_advertising |= ADVERTISED_Autoneg; 301 if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE) 302 cmd->lp_advertising |= ADVERTISED_Pause; 303 if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE) 304 cmd->lp_advertising |= ADVERTISED_Asym_Pause; 305 306 if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE) 307 cmd->lp_advertising |= ADVERTISED_10baseT_Half; 308 if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE) 309 cmd->lp_advertising |= ADVERTISED_10baseT_Full; 310 if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE) 311 cmd->lp_advertising |= ADVERTISED_100baseT_Half; 312 if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE) 313 cmd->lp_advertising |= ADVERTISED_100baseT_Full; 314 if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) 315 cmd->lp_advertising |= ADVERTISED_1000baseT_Half; 316 if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) { 317 if (media_type == ETH_PHY_KR) { 318 cmd->lp_advertising |= 319 ADVERTISED_1000baseKX_Full; 320 } else { 321 cmd->lp_advertising |= 322 ADVERTISED_1000baseT_Full; 323 } 324 } 325 if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE) 326 cmd->lp_advertising |= ADVERTISED_2500baseX_Full; 327 if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE) { 328 if (media_type == ETH_PHY_KR) { 329 cmd->lp_advertising |= 330 ADVERTISED_10000baseKR_Full; 331 } else { 332 cmd->lp_advertising |= 333 ADVERTISED_10000baseT_Full; 334 } 335 } 336 if (status & LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE) 337 cmd->lp_advertising |= ADVERTISED_20000baseKR2_Full; 338 } 339 340 cmd->maxtxpkt = 0; 341 cmd->maxrxpkt = 0; 342 343 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n" 344 " supported 0x%x advertising 0x%x speed %u\n" 345 " duplex %d port %d phy_address %d transceiver %d\n" 346 " autoneg %d maxtxpkt %d maxrxpkt %d\n", 347 cmd->cmd, cmd->supported, cmd->advertising, 348 ethtool_cmd_speed(cmd), 349 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, 350 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); 351 352 return 0; 353 } 354 355 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 356 { 357 struct bnx2x *bp = netdev_priv(dev); 358 u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config; 359 u32 speed, phy_idx; 360 361 if (IS_MF_SD(bp)) 362 return 0; 363 364 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n" 365 " supported 0x%x advertising 0x%x speed %u\n" 366 " duplex %d port %d phy_address %d transceiver %d\n" 367 " autoneg %d maxtxpkt %d maxrxpkt %d\n", 368 cmd->cmd, cmd->supported, cmd->advertising, 369 ethtool_cmd_speed(cmd), 370 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, 371 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); 372 373 speed = ethtool_cmd_speed(cmd); 374 375 /* If received a request for an unknown duplex, assume full*/ 376 if (cmd->duplex == DUPLEX_UNKNOWN) 377 cmd->duplex = DUPLEX_FULL; 378 379 if (IS_MF_SI(bp)) { 380 u32 part; 381 u32 line_speed = bp->link_vars.line_speed; 382 383 /* use 10G if no link detected */ 384 if (!line_speed) 385 line_speed = 10000; 386 387 if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) { 388 DP(BNX2X_MSG_ETHTOOL, 389 "To set speed BC %X or higher is required, please upgrade BC\n", 390 REQ_BC_VER_4_SET_MF_BW); 391 return -EINVAL; 392 } 393 394 part = (speed * 100) / line_speed; 395 396 if (line_speed < speed || !part) { 397 DP(BNX2X_MSG_ETHTOOL, 398 "Speed setting should be in a range from 1%% to 100%% of actual line speed\n"); 399 return -EINVAL; 400 } 401 402 if (bp->state != BNX2X_STATE_OPEN) 403 /* store value for following "load" */ 404 bp->pending_max = part; 405 else 406 bnx2x_update_max_mf_config(bp, part); 407 408 return 0; 409 } 410 411 cfg_idx = bnx2x_get_link_cfg_idx(bp); 412 old_multi_phy_config = bp->link_params.multi_phy_config; 413 if (cmd->port != bnx2x_get_port_type(bp)) { 414 switch (cmd->port) { 415 case PORT_TP: 416 if (!(bp->port.supported[0] & SUPPORTED_TP || 417 bp->port.supported[1] & SUPPORTED_TP)) { 418 DP(BNX2X_MSG_ETHTOOL, 419 "Unsupported port type\n"); 420 return -EINVAL; 421 } 422 bp->link_params.multi_phy_config &= 423 ~PORT_HW_CFG_PHY_SELECTION_MASK; 424 if (bp->link_params.multi_phy_config & 425 PORT_HW_CFG_PHY_SWAPPED_ENABLED) 426 bp->link_params.multi_phy_config |= 427 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 428 else 429 bp->link_params.multi_phy_config |= 430 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 431 break; 432 case PORT_FIBRE: 433 case PORT_DA: 434 case PORT_NONE: 435 if (!(bp->port.supported[0] & SUPPORTED_FIBRE || 436 bp->port.supported[1] & SUPPORTED_FIBRE)) { 437 DP(BNX2X_MSG_ETHTOOL, 438 "Unsupported port type\n"); 439 return -EINVAL; 440 } 441 bp->link_params.multi_phy_config &= 442 ~PORT_HW_CFG_PHY_SELECTION_MASK; 443 if (bp->link_params.multi_phy_config & 444 PORT_HW_CFG_PHY_SWAPPED_ENABLED) 445 bp->link_params.multi_phy_config |= 446 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 447 else 448 bp->link_params.multi_phy_config |= 449 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 450 break; 451 default: 452 DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n"); 453 return -EINVAL; 454 } 455 } 456 /* Save new config in case command complete successfully */ 457 new_multi_phy_config = bp->link_params.multi_phy_config; 458 /* Get the new cfg_idx */ 459 cfg_idx = bnx2x_get_link_cfg_idx(bp); 460 /* Restore old config in case command failed */ 461 bp->link_params.multi_phy_config = old_multi_phy_config; 462 DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx); 463 464 if (cmd->autoneg == AUTONEG_ENABLE) { 465 u32 an_supported_speed = bp->port.supported[cfg_idx]; 466 if (bp->link_params.phy[EXT_PHY1].type == 467 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) 468 an_supported_speed |= (SUPPORTED_100baseT_Half | 469 SUPPORTED_100baseT_Full); 470 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) { 471 DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n"); 472 return -EINVAL; 473 } 474 475 /* advertise the requested speed and duplex if supported */ 476 if (cmd->advertising & ~an_supported_speed) { 477 DP(BNX2X_MSG_ETHTOOL, 478 "Advertisement parameters are not supported\n"); 479 return -EINVAL; 480 } 481 482 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG; 483 bp->link_params.req_duplex[cfg_idx] = cmd->duplex; 484 bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg | 485 cmd->advertising); 486 if (cmd->advertising) { 487 488 bp->link_params.speed_cap_mask[cfg_idx] = 0; 489 if (cmd->advertising & ADVERTISED_10baseT_Half) { 490 bp->link_params.speed_cap_mask[cfg_idx] |= 491 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF; 492 } 493 if (cmd->advertising & ADVERTISED_10baseT_Full) 494 bp->link_params.speed_cap_mask[cfg_idx] |= 495 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL; 496 497 if (cmd->advertising & ADVERTISED_100baseT_Full) 498 bp->link_params.speed_cap_mask[cfg_idx] |= 499 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL; 500 501 if (cmd->advertising & ADVERTISED_100baseT_Half) { 502 bp->link_params.speed_cap_mask[cfg_idx] |= 503 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF; 504 } 505 if (cmd->advertising & ADVERTISED_1000baseT_Half) { 506 bp->link_params.speed_cap_mask[cfg_idx] |= 507 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; 508 } 509 if (cmd->advertising & (ADVERTISED_1000baseT_Full | 510 ADVERTISED_1000baseKX_Full)) 511 bp->link_params.speed_cap_mask[cfg_idx] |= 512 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; 513 514 if (cmd->advertising & (ADVERTISED_10000baseT_Full | 515 ADVERTISED_10000baseKX4_Full | 516 ADVERTISED_10000baseKR_Full)) 517 bp->link_params.speed_cap_mask[cfg_idx] |= 518 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G; 519 520 if (cmd->advertising & ADVERTISED_20000baseKR2_Full) 521 bp->link_params.speed_cap_mask[cfg_idx] |= 522 PORT_HW_CFG_SPEED_CAPABILITY_D0_20G; 523 } 524 } else { /* forced speed */ 525 /* advertise the requested speed and duplex if supported */ 526 switch (speed) { 527 case SPEED_10: 528 if (cmd->duplex == DUPLEX_FULL) { 529 if (!(bp->port.supported[cfg_idx] & 530 SUPPORTED_10baseT_Full)) { 531 DP(BNX2X_MSG_ETHTOOL, 532 "10M full not supported\n"); 533 return -EINVAL; 534 } 535 536 advertising = (ADVERTISED_10baseT_Full | 537 ADVERTISED_TP); 538 } else { 539 if (!(bp->port.supported[cfg_idx] & 540 SUPPORTED_10baseT_Half)) { 541 DP(BNX2X_MSG_ETHTOOL, 542 "10M half not supported\n"); 543 return -EINVAL; 544 } 545 546 advertising = (ADVERTISED_10baseT_Half | 547 ADVERTISED_TP); 548 } 549 break; 550 551 case SPEED_100: 552 if (cmd->duplex == DUPLEX_FULL) { 553 if (!(bp->port.supported[cfg_idx] & 554 SUPPORTED_100baseT_Full)) { 555 DP(BNX2X_MSG_ETHTOOL, 556 "100M full not supported\n"); 557 return -EINVAL; 558 } 559 560 advertising = (ADVERTISED_100baseT_Full | 561 ADVERTISED_TP); 562 } else { 563 if (!(bp->port.supported[cfg_idx] & 564 SUPPORTED_100baseT_Half)) { 565 DP(BNX2X_MSG_ETHTOOL, 566 "100M half not supported\n"); 567 return -EINVAL; 568 } 569 570 advertising = (ADVERTISED_100baseT_Half | 571 ADVERTISED_TP); 572 } 573 break; 574 575 case SPEED_1000: 576 if (cmd->duplex != DUPLEX_FULL) { 577 DP(BNX2X_MSG_ETHTOOL, 578 "1G half not supported\n"); 579 return -EINVAL; 580 } 581 582 if (bp->port.supported[cfg_idx] & 583 SUPPORTED_1000baseT_Full) { 584 advertising = (ADVERTISED_1000baseT_Full | 585 ADVERTISED_TP); 586 587 } else if (bp->port.supported[cfg_idx] & 588 SUPPORTED_1000baseKX_Full) { 589 advertising = ADVERTISED_1000baseKX_Full; 590 } else { 591 DP(BNX2X_MSG_ETHTOOL, 592 "1G full not supported\n"); 593 return -EINVAL; 594 } 595 596 break; 597 598 case SPEED_2500: 599 if (cmd->duplex != DUPLEX_FULL) { 600 DP(BNX2X_MSG_ETHTOOL, 601 "2.5G half not supported\n"); 602 return -EINVAL; 603 } 604 605 if (!(bp->port.supported[cfg_idx] 606 & SUPPORTED_2500baseX_Full)) { 607 DP(BNX2X_MSG_ETHTOOL, 608 "2.5G full not supported\n"); 609 return -EINVAL; 610 } 611 612 advertising = (ADVERTISED_2500baseX_Full | 613 ADVERTISED_TP); 614 break; 615 616 case SPEED_10000: 617 if (cmd->duplex != DUPLEX_FULL) { 618 DP(BNX2X_MSG_ETHTOOL, 619 "10G half not supported\n"); 620 return -EINVAL; 621 } 622 phy_idx = bnx2x_get_cur_phy_idx(bp); 623 if ((bp->port.supported[cfg_idx] & 624 SUPPORTED_10000baseT_Full) && 625 (bp->link_params.phy[phy_idx].media_type != 626 ETH_PHY_SFP_1G_FIBER)) { 627 advertising = (ADVERTISED_10000baseT_Full | 628 ADVERTISED_FIBRE); 629 } else if (bp->port.supported[cfg_idx] & 630 SUPPORTED_10000baseKR_Full) { 631 advertising = (ADVERTISED_10000baseKR_Full | 632 ADVERTISED_FIBRE); 633 } else { 634 DP(BNX2X_MSG_ETHTOOL, 635 "10G full not supported\n"); 636 return -EINVAL; 637 } 638 639 break; 640 641 default: 642 DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed); 643 return -EINVAL; 644 } 645 646 bp->link_params.req_line_speed[cfg_idx] = speed; 647 bp->link_params.req_duplex[cfg_idx] = cmd->duplex; 648 bp->port.advertising[cfg_idx] = advertising; 649 } 650 651 DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n" 652 " req_duplex %d advertising 0x%x\n", 653 bp->link_params.req_line_speed[cfg_idx], 654 bp->link_params.req_duplex[cfg_idx], 655 bp->port.advertising[cfg_idx]); 656 657 /* Set new config */ 658 bp->link_params.multi_phy_config = new_multi_phy_config; 659 if (netif_running(dev)) { 660 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 661 bnx2x_force_link_reset(bp); 662 bnx2x_link_set(bp); 663 } 664 665 return 0; 666 } 667 668 #define DUMP_ALL_PRESETS 0x1FFF 669 #define DUMP_MAX_PRESETS 13 670 671 static int __bnx2x_get_preset_regs_len(struct bnx2x *bp, u32 preset) 672 { 673 if (CHIP_IS_E1(bp)) 674 return dump_num_registers[0][preset-1]; 675 else if (CHIP_IS_E1H(bp)) 676 return dump_num_registers[1][preset-1]; 677 else if (CHIP_IS_E2(bp)) 678 return dump_num_registers[2][preset-1]; 679 else if (CHIP_IS_E3A0(bp)) 680 return dump_num_registers[3][preset-1]; 681 else if (CHIP_IS_E3B0(bp)) 682 return dump_num_registers[4][preset-1]; 683 else 684 return 0; 685 } 686 687 static int __bnx2x_get_regs_len(struct bnx2x *bp) 688 { 689 u32 preset_idx; 690 int regdump_len = 0; 691 692 /* Calculate the total preset regs length */ 693 for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) 694 regdump_len += __bnx2x_get_preset_regs_len(bp, preset_idx); 695 696 return regdump_len; 697 } 698 699 static int bnx2x_get_regs_len(struct net_device *dev) 700 { 701 struct bnx2x *bp = netdev_priv(dev); 702 int regdump_len = 0; 703 704 if (IS_VF(bp)) 705 return 0; 706 707 regdump_len = __bnx2x_get_regs_len(bp); 708 regdump_len *= 4; 709 regdump_len += sizeof(struct dump_header); 710 711 return regdump_len; 712 } 713 714 #define IS_E1_REG(chips) ((chips & DUMP_CHIP_E1) == DUMP_CHIP_E1) 715 #define IS_E1H_REG(chips) ((chips & DUMP_CHIP_E1H) == DUMP_CHIP_E1H) 716 #define IS_E2_REG(chips) ((chips & DUMP_CHIP_E2) == DUMP_CHIP_E2) 717 #define IS_E3A0_REG(chips) ((chips & DUMP_CHIP_E3A0) == DUMP_CHIP_E3A0) 718 #define IS_E3B0_REG(chips) ((chips & DUMP_CHIP_E3B0) == DUMP_CHIP_E3B0) 719 720 #define IS_REG_IN_PRESET(presets, idx) \ 721 ((presets & (1 << (idx-1))) == (1 << (idx-1))) 722 723 /******* Paged registers info selectors ********/ 724 static const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp) 725 { 726 if (CHIP_IS_E2(bp)) 727 return page_vals_e2; 728 else if (CHIP_IS_E3(bp)) 729 return page_vals_e3; 730 else 731 return NULL; 732 } 733 734 static u32 __bnx2x_get_page_reg_num(struct bnx2x *bp) 735 { 736 if (CHIP_IS_E2(bp)) 737 return PAGE_MODE_VALUES_E2; 738 else if (CHIP_IS_E3(bp)) 739 return PAGE_MODE_VALUES_E3; 740 else 741 return 0; 742 } 743 744 static const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp) 745 { 746 if (CHIP_IS_E2(bp)) 747 return page_write_regs_e2; 748 else if (CHIP_IS_E3(bp)) 749 return page_write_regs_e3; 750 else 751 return NULL; 752 } 753 754 static u32 __bnx2x_get_page_write_num(struct bnx2x *bp) 755 { 756 if (CHIP_IS_E2(bp)) 757 return PAGE_WRITE_REGS_E2; 758 else if (CHIP_IS_E3(bp)) 759 return PAGE_WRITE_REGS_E3; 760 else 761 return 0; 762 } 763 764 static const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp) 765 { 766 if (CHIP_IS_E2(bp)) 767 return page_read_regs_e2; 768 else if (CHIP_IS_E3(bp)) 769 return page_read_regs_e3; 770 else 771 return NULL; 772 } 773 774 static u32 __bnx2x_get_page_read_num(struct bnx2x *bp) 775 { 776 if (CHIP_IS_E2(bp)) 777 return PAGE_READ_REGS_E2; 778 else if (CHIP_IS_E3(bp)) 779 return PAGE_READ_REGS_E3; 780 else 781 return 0; 782 } 783 784 static bool bnx2x_is_reg_in_chip(struct bnx2x *bp, 785 const struct reg_addr *reg_info) 786 { 787 if (CHIP_IS_E1(bp)) 788 return IS_E1_REG(reg_info->chips); 789 else if (CHIP_IS_E1H(bp)) 790 return IS_E1H_REG(reg_info->chips); 791 else if (CHIP_IS_E2(bp)) 792 return IS_E2_REG(reg_info->chips); 793 else if (CHIP_IS_E3A0(bp)) 794 return IS_E3A0_REG(reg_info->chips); 795 else if (CHIP_IS_E3B0(bp)) 796 return IS_E3B0_REG(reg_info->chips); 797 else 798 return false; 799 } 800 801 static bool bnx2x_is_wreg_in_chip(struct bnx2x *bp, 802 const struct wreg_addr *wreg_info) 803 { 804 if (CHIP_IS_E1(bp)) 805 return IS_E1_REG(wreg_info->chips); 806 else if (CHIP_IS_E1H(bp)) 807 return IS_E1H_REG(wreg_info->chips); 808 else if (CHIP_IS_E2(bp)) 809 return IS_E2_REG(wreg_info->chips); 810 else if (CHIP_IS_E3A0(bp)) 811 return IS_E3A0_REG(wreg_info->chips); 812 else if (CHIP_IS_E3B0(bp)) 813 return IS_E3B0_REG(wreg_info->chips); 814 else 815 return false; 816 } 817 818 /** 819 * bnx2x_read_pages_regs - read "paged" registers 820 * 821 * @bp device handle 822 * @p output buffer 823 * 824 * Reads "paged" memories: memories that may only be read by first writing to a 825 * specific address ("write address") and then reading from a specific address 826 * ("read address"). There may be more than one write address per "page" and 827 * more than one read address per write address. 828 */ 829 static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p, u32 preset) 830 { 831 u32 i, j, k, n; 832 833 /* addresses of the paged registers */ 834 const u32 *page_addr = __bnx2x_get_page_addr_ar(bp); 835 /* number of paged registers */ 836 int num_pages = __bnx2x_get_page_reg_num(bp); 837 /* write addresses */ 838 const u32 *write_addr = __bnx2x_get_page_write_ar(bp); 839 /* number of write addresses */ 840 int write_num = __bnx2x_get_page_write_num(bp); 841 /* read addresses info */ 842 const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp); 843 /* number of read addresses */ 844 int read_num = __bnx2x_get_page_read_num(bp); 845 u32 addr, size; 846 847 for (i = 0; i < num_pages; i++) { 848 for (j = 0; j < write_num; j++) { 849 REG_WR(bp, write_addr[j], page_addr[i]); 850 851 for (k = 0; k < read_num; k++) { 852 if (IS_REG_IN_PRESET(read_addr[k].presets, 853 preset)) { 854 size = read_addr[k].size; 855 for (n = 0; n < size; n++) { 856 addr = read_addr[k].addr + n*4; 857 *p++ = REG_RD(bp, addr); 858 } 859 } 860 } 861 } 862 } 863 } 864 865 static int __bnx2x_get_preset_regs(struct bnx2x *bp, u32 *p, u32 preset) 866 { 867 u32 i, j, addr; 868 const struct wreg_addr *wreg_addr_p = NULL; 869 870 if (CHIP_IS_E1(bp)) 871 wreg_addr_p = &wreg_addr_e1; 872 else if (CHIP_IS_E1H(bp)) 873 wreg_addr_p = &wreg_addr_e1h; 874 else if (CHIP_IS_E2(bp)) 875 wreg_addr_p = &wreg_addr_e2; 876 else if (CHIP_IS_E3A0(bp)) 877 wreg_addr_p = &wreg_addr_e3; 878 else if (CHIP_IS_E3B0(bp)) 879 wreg_addr_p = &wreg_addr_e3b0; 880 881 /* Read the idle_chk registers */ 882 for (i = 0; i < IDLE_REGS_COUNT; i++) { 883 if (bnx2x_is_reg_in_chip(bp, &idle_reg_addrs[i]) && 884 IS_REG_IN_PRESET(idle_reg_addrs[i].presets, preset)) { 885 for (j = 0; j < idle_reg_addrs[i].size; j++) 886 *p++ = REG_RD(bp, idle_reg_addrs[i].addr + j*4); 887 } 888 } 889 890 /* Read the regular registers */ 891 for (i = 0; i < REGS_COUNT; i++) { 892 if (bnx2x_is_reg_in_chip(bp, ®_addrs[i]) && 893 IS_REG_IN_PRESET(reg_addrs[i].presets, preset)) { 894 for (j = 0; j < reg_addrs[i].size; j++) 895 *p++ = REG_RD(bp, reg_addrs[i].addr + j*4); 896 } 897 } 898 899 /* Read the CAM registers */ 900 if (bnx2x_is_wreg_in_chip(bp, wreg_addr_p) && 901 IS_REG_IN_PRESET(wreg_addr_p->presets, preset)) { 902 for (i = 0; i < wreg_addr_p->size; i++) { 903 *p++ = REG_RD(bp, wreg_addr_p->addr + i*4); 904 905 /* In case of wreg_addr register, read additional 906 registers from read_regs array 907 */ 908 for (j = 0; j < wreg_addr_p->read_regs_count; j++) { 909 addr = *(wreg_addr_p->read_regs); 910 *p++ = REG_RD(bp, addr + j*4); 911 } 912 } 913 } 914 915 /* Paged registers are supported in E2 & E3 only */ 916 if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) { 917 /* Read "paged" registers */ 918 bnx2x_read_pages_regs(bp, p, preset); 919 } 920 921 return 0; 922 } 923 924 static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p) 925 { 926 u32 preset_idx; 927 928 /* Read all registers, by reading all preset registers */ 929 for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) { 930 /* Skip presets with IOR */ 931 if ((preset_idx == 2) || 932 (preset_idx == 5) || 933 (preset_idx == 8) || 934 (preset_idx == 11)) 935 continue; 936 __bnx2x_get_preset_regs(bp, p, preset_idx); 937 p += __bnx2x_get_preset_regs_len(bp, preset_idx); 938 } 939 } 940 941 static void bnx2x_get_regs(struct net_device *dev, 942 struct ethtool_regs *regs, void *_p) 943 { 944 u32 *p = _p; 945 struct bnx2x *bp = netdev_priv(dev); 946 struct dump_header dump_hdr = {0}; 947 948 regs->version = 2; 949 memset(p, 0, regs->len); 950 951 if (!netif_running(bp->dev)) 952 return; 953 954 /* Disable parity attentions as long as following dump may 955 * cause false alarms by reading never written registers. We 956 * will re-enable parity attentions right after the dump. 957 */ 958 959 bnx2x_disable_blocks_parity(bp); 960 961 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1; 962 dump_hdr.preset = DUMP_ALL_PRESETS; 963 dump_hdr.version = BNX2X_DUMP_VERSION; 964 965 /* dump_meta_data presents OR of CHIP and PATH. */ 966 if (CHIP_IS_E1(bp)) { 967 dump_hdr.dump_meta_data = DUMP_CHIP_E1; 968 } else if (CHIP_IS_E1H(bp)) { 969 dump_hdr.dump_meta_data = DUMP_CHIP_E1H; 970 } else if (CHIP_IS_E2(bp)) { 971 dump_hdr.dump_meta_data = DUMP_CHIP_E2 | 972 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 973 } else if (CHIP_IS_E3A0(bp)) { 974 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 | 975 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 976 } else if (CHIP_IS_E3B0(bp)) { 977 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 | 978 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 979 } 980 981 memcpy(p, &dump_hdr, sizeof(struct dump_header)); 982 p += dump_hdr.header_size + 1; 983 984 /* This isn't really an error, but since attention handling is going 985 * to print the GRC timeouts using this macro, we use the same. 986 */ 987 BNX2X_ERR("Generating register dump. Might trigger harmless GRC timeouts\n"); 988 989 /* Actually read the registers */ 990 __bnx2x_get_regs(bp, p); 991 992 /* Re-enable parity attentions */ 993 bnx2x_clear_blocks_parity(bp); 994 bnx2x_enable_blocks_parity(bp); 995 } 996 997 static int bnx2x_get_preset_regs_len(struct net_device *dev, u32 preset) 998 { 999 struct bnx2x *bp = netdev_priv(dev); 1000 int regdump_len = 0; 1001 1002 regdump_len = __bnx2x_get_preset_regs_len(bp, preset); 1003 regdump_len *= 4; 1004 regdump_len += sizeof(struct dump_header); 1005 1006 return regdump_len; 1007 } 1008 1009 static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val) 1010 { 1011 struct bnx2x *bp = netdev_priv(dev); 1012 1013 /* Use the ethtool_dump "flag" field as the dump preset index */ 1014 if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS) 1015 return -EINVAL; 1016 1017 bp->dump_preset_idx = val->flag; 1018 return 0; 1019 } 1020 1021 static int bnx2x_get_dump_flag(struct net_device *dev, 1022 struct ethtool_dump *dump) 1023 { 1024 struct bnx2x *bp = netdev_priv(dev); 1025 1026 dump->version = BNX2X_DUMP_VERSION; 1027 dump->flag = bp->dump_preset_idx; 1028 /* Calculate the requested preset idx length */ 1029 dump->len = bnx2x_get_preset_regs_len(dev, bp->dump_preset_idx); 1030 DP(BNX2X_MSG_ETHTOOL, "Get dump preset %d length=%d\n", 1031 bp->dump_preset_idx, dump->len); 1032 return 0; 1033 } 1034 1035 static int bnx2x_get_dump_data(struct net_device *dev, 1036 struct ethtool_dump *dump, 1037 void *buffer) 1038 { 1039 u32 *p = buffer; 1040 struct bnx2x *bp = netdev_priv(dev); 1041 struct dump_header dump_hdr = {0}; 1042 1043 /* Disable parity attentions as long as following dump may 1044 * cause false alarms by reading never written registers. We 1045 * will re-enable parity attentions right after the dump. 1046 */ 1047 1048 bnx2x_disable_blocks_parity(bp); 1049 1050 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1; 1051 dump_hdr.preset = bp->dump_preset_idx; 1052 dump_hdr.version = BNX2X_DUMP_VERSION; 1053 1054 DP(BNX2X_MSG_ETHTOOL, "Get dump data of preset %d\n", dump_hdr.preset); 1055 1056 /* dump_meta_data presents OR of CHIP and PATH. */ 1057 if (CHIP_IS_E1(bp)) { 1058 dump_hdr.dump_meta_data = DUMP_CHIP_E1; 1059 } else if (CHIP_IS_E1H(bp)) { 1060 dump_hdr.dump_meta_data = DUMP_CHIP_E1H; 1061 } else if (CHIP_IS_E2(bp)) { 1062 dump_hdr.dump_meta_data = DUMP_CHIP_E2 | 1063 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 1064 } else if (CHIP_IS_E3A0(bp)) { 1065 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 | 1066 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 1067 } else if (CHIP_IS_E3B0(bp)) { 1068 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 | 1069 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 1070 } 1071 1072 memcpy(p, &dump_hdr, sizeof(struct dump_header)); 1073 p += dump_hdr.header_size + 1; 1074 1075 /* Actually read the registers */ 1076 __bnx2x_get_preset_regs(bp, p, dump_hdr.preset); 1077 1078 /* Re-enable parity attentions */ 1079 bnx2x_clear_blocks_parity(bp); 1080 bnx2x_enable_blocks_parity(bp); 1081 1082 return 0; 1083 } 1084 1085 static void bnx2x_get_drvinfo(struct net_device *dev, 1086 struct ethtool_drvinfo *info) 1087 { 1088 struct bnx2x *bp = netdev_priv(dev); 1089 1090 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 1091 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 1092 1093 bnx2x_fill_fw_str(bp, info->fw_version, sizeof(info->fw_version)); 1094 1095 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 1096 } 1097 1098 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 1099 { 1100 struct bnx2x *bp = netdev_priv(dev); 1101 1102 if (bp->flags & NO_WOL_FLAG) { 1103 wol->supported = 0; 1104 wol->wolopts = 0; 1105 } else { 1106 wol->supported = WAKE_MAGIC; 1107 if (bp->wol) 1108 wol->wolopts = WAKE_MAGIC; 1109 else 1110 wol->wolopts = 0; 1111 } 1112 memset(&wol->sopass, 0, sizeof(wol->sopass)); 1113 } 1114 1115 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 1116 { 1117 struct bnx2x *bp = netdev_priv(dev); 1118 1119 if (wol->wolopts & ~WAKE_MAGIC) { 1120 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n"); 1121 return -EINVAL; 1122 } 1123 1124 if (wol->wolopts & WAKE_MAGIC) { 1125 if (bp->flags & NO_WOL_FLAG) { 1126 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n"); 1127 return -EINVAL; 1128 } 1129 bp->wol = 1; 1130 } else 1131 bp->wol = 0; 1132 1133 if (SHMEM2_HAS(bp, curr_cfg)) 1134 SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS); 1135 1136 return 0; 1137 } 1138 1139 static u32 bnx2x_get_msglevel(struct net_device *dev) 1140 { 1141 struct bnx2x *bp = netdev_priv(dev); 1142 1143 return bp->msg_enable; 1144 } 1145 1146 static void bnx2x_set_msglevel(struct net_device *dev, u32 level) 1147 { 1148 struct bnx2x *bp = netdev_priv(dev); 1149 1150 if (capable(CAP_NET_ADMIN)) { 1151 /* dump MCP trace */ 1152 if (IS_PF(bp) && (level & BNX2X_MSG_MCP)) 1153 bnx2x_fw_dump_lvl(bp, KERN_INFO); 1154 bp->msg_enable = level; 1155 } 1156 } 1157 1158 static int bnx2x_nway_reset(struct net_device *dev) 1159 { 1160 struct bnx2x *bp = netdev_priv(dev); 1161 1162 if (!bp->port.pmf) 1163 return 0; 1164 1165 if (netif_running(dev)) { 1166 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 1167 bnx2x_force_link_reset(bp); 1168 bnx2x_link_set(bp); 1169 } 1170 1171 return 0; 1172 } 1173 1174 static u32 bnx2x_get_link(struct net_device *dev) 1175 { 1176 struct bnx2x *bp = netdev_priv(dev); 1177 1178 if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN)) 1179 return 0; 1180 1181 if (IS_VF(bp)) 1182 return !test_bit(BNX2X_LINK_REPORT_LINK_DOWN, 1183 &bp->vf_link_vars.link_report_flags); 1184 1185 return bp->link_vars.link_up; 1186 } 1187 1188 static int bnx2x_get_eeprom_len(struct net_device *dev) 1189 { 1190 struct bnx2x *bp = netdev_priv(dev); 1191 1192 return bp->common.flash_size; 1193 } 1194 1195 /* Per pf misc lock must be acquired before the per port mcp lock. Otherwise, 1196 * had we done things the other way around, if two pfs from the same port would 1197 * attempt to access nvram at the same time, we could run into a scenario such 1198 * as: 1199 * pf A takes the port lock. 1200 * pf B succeeds in taking the same lock since they are from the same port. 1201 * pf A takes the per pf misc lock. Performs eeprom access. 1202 * pf A finishes. Unlocks the per pf misc lock. 1203 * Pf B takes the lock and proceeds to perform it's own access. 1204 * pf A unlocks the per port lock, while pf B is still working (!). 1205 * mcp takes the per port lock and corrupts pf B's access (and/or has it's own 1206 * access corrupted by pf B) 1207 */ 1208 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp) 1209 { 1210 int port = BP_PORT(bp); 1211 int count, i; 1212 u32 val; 1213 1214 /* acquire HW lock: protect against other PFs in PF Direct Assignment */ 1215 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM); 1216 1217 /* adjust timeout for emulation/FPGA */ 1218 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1219 if (CHIP_REV_IS_SLOW(bp)) 1220 count *= 100; 1221 1222 /* request access to nvram interface */ 1223 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, 1224 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port)); 1225 1226 for (i = 0; i < count*10; i++) { 1227 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); 1228 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) 1229 break; 1230 1231 udelay(5); 1232 } 1233 1234 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) { 1235 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1236 "cannot get access to nvram interface\n"); 1237 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM); 1238 return -EBUSY; 1239 } 1240 1241 return 0; 1242 } 1243 1244 static int bnx2x_release_nvram_lock(struct bnx2x *bp) 1245 { 1246 int port = BP_PORT(bp); 1247 int count, i; 1248 u32 val; 1249 1250 /* adjust timeout for emulation/FPGA */ 1251 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1252 if (CHIP_REV_IS_SLOW(bp)) 1253 count *= 100; 1254 1255 /* relinquish nvram interface */ 1256 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, 1257 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port)); 1258 1259 for (i = 0; i < count*10; i++) { 1260 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); 1261 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) 1262 break; 1263 1264 udelay(5); 1265 } 1266 1267 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) { 1268 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1269 "cannot free access to nvram interface\n"); 1270 return -EBUSY; 1271 } 1272 1273 /* release HW lock: protect against other PFs in PF Direct Assignment */ 1274 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM); 1275 return 0; 1276 } 1277 1278 static void bnx2x_enable_nvram_access(struct bnx2x *bp) 1279 { 1280 u32 val; 1281 1282 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); 1283 1284 /* enable both bits, even on read */ 1285 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, 1286 (val | MCPR_NVM_ACCESS_ENABLE_EN | 1287 MCPR_NVM_ACCESS_ENABLE_WR_EN)); 1288 } 1289 1290 static void bnx2x_disable_nvram_access(struct bnx2x *bp) 1291 { 1292 u32 val; 1293 1294 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); 1295 1296 /* disable both bits, even after read */ 1297 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, 1298 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN | 1299 MCPR_NVM_ACCESS_ENABLE_WR_EN))); 1300 } 1301 1302 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val, 1303 u32 cmd_flags) 1304 { 1305 int count, i, rc; 1306 u32 val; 1307 1308 /* build the command word */ 1309 cmd_flags |= MCPR_NVM_COMMAND_DOIT; 1310 1311 /* need to clear DONE bit separately */ 1312 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); 1313 1314 /* address of the NVRAM to read from */ 1315 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, 1316 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); 1317 1318 /* issue a read command */ 1319 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); 1320 1321 /* adjust timeout for emulation/FPGA */ 1322 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1323 if (CHIP_REV_IS_SLOW(bp)) 1324 count *= 100; 1325 1326 /* wait for completion */ 1327 *ret_val = 0; 1328 rc = -EBUSY; 1329 for (i = 0; i < count; i++) { 1330 udelay(5); 1331 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); 1332 1333 if (val & MCPR_NVM_COMMAND_DONE) { 1334 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ); 1335 /* we read nvram data in cpu order 1336 * but ethtool sees it as an array of bytes 1337 * converting to big-endian will do the work 1338 */ 1339 *ret_val = cpu_to_be32(val); 1340 rc = 0; 1341 break; 1342 } 1343 } 1344 if (rc == -EBUSY) 1345 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1346 "nvram read timeout expired\n"); 1347 return rc; 1348 } 1349 1350 int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, 1351 int buf_size) 1352 { 1353 int rc; 1354 u32 cmd_flags; 1355 __be32 val; 1356 1357 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { 1358 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1359 "Invalid parameter: offset 0x%x buf_size 0x%x\n", 1360 offset, buf_size); 1361 return -EINVAL; 1362 } 1363 1364 if (offset + buf_size > bp->common.flash_size) { 1365 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1366 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n", 1367 offset, buf_size, bp->common.flash_size); 1368 return -EINVAL; 1369 } 1370 1371 /* request access to nvram interface */ 1372 rc = bnx2x_acquire_nvram_lock(bp); 1373 if (rc) 1374 return rc; 1375 1376 /* enable access to nvram interface */ 1377 bnx2x_enable_nvram_access(bp); 1378 1379 /* read the first word(s) */ 1380 cmd_flags = MCPR_NVM_COMMAND_FIRST; 1381 while ((buf_size > sizeof(u32)) && (rc == 0)) { 1382 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); 1383 memcpy(ret_buf, &val, 4); 1384 1385 /* advance to the next dword */ 1386 offset += sizeof(u32); 1387 ret_buf += sizeof(u32); 1388 buf_size -= sizeof(u32); 1389 cmd_flags = 0; 1390 } 1391 1392 if (rc == 0) { 1393 cmd_flags |= MCPR_NVM_COMMAND_LAST; 1394 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); 1395 memcpy(ret_buf, &val, 4); 1396 } 1397 1398 /* disable access to nvram interface */ 1399 bnx2x_disable_nvram_access(bp); 1400 bnx2x_release_nvram_lock(bp); 1401 1402 return rc; 1403 } 1404 1405 static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf, 1406 int buf_size) 1407 { 1408 int rc; 1409 1410 rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size); 1411 1412 if (!rc) { 1413 __be32 *be = (__be32 *)buf; 1414 1415 while ((buf_size -= 4) >= 0) 1416 *buf++ = be32_to_cpu(*be++); 1417 } 1418 1419 return rc; 1420 } 1421 1422 static bool bnx2x_is_nvm_accessible(struct bnx2x *bp) 1423 { 1424 int rc = 1; 1425 u16 pm = 0; 1426 struct net_device *dev = pci_get_drvdata(bp->pdev); 1427 1428 if (bp->pdev->pm_cap) 1429 rc = pci_read_config_word(bp->pdev, 1430 bp->pdev->pm_cap + PCI_PM_CTRL, &pm); 1431 1432 if ((rc && !netif_running(dev)) || 1433 (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0))) 1434 return false; 1435 1436 return true; 1437 } 1438 1439 static int bnx2x_get_eeprom(struct net_device *dev, 1440 struct ethtool_eeprom *eeprom, u8 *eebuf) 1441 { 1442 struct bnx2x *bp = netdev_priv(dev); 1443 1444 if (!bnx2x_is_nvm_accessible(bp)) { 1445 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1446 "cannot access eeprom when the interface is down\n"); 1447 return -EAGAIN; 1448 } 1449 1450 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" 1451 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", 1452 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, 1453 eeprom->len, eeprom->len); 1454 1455 /* parameters already validated in ethtool_get_eeprom */ 1456 1457 return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); 1458 } 1459 1460 static int bnx2x_get_module_eeprom(struct net_device *dev, 1461 struct ethtool_eeprom *ee, 1462 u8 *data) 1463 { 1464 struct bnx2x *bp = netdev_priv(dev); 1465 int rc = -EINVAL, phy_idx; 1466 u8 *user_data = data; 1467 unsigned int start_addr = ee->offset, xfer_size = 0; 1468 1469 if (!bnx2x_is_nvm_accessible(bp)) { 1470 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1471 "cannot access eeprom when the interface is down\n"); 1472 return -EAGAIN; 1473 } 1474 1475 phy_idx = bnx2x_get_cur_phy_idx(bp); 1476 1477 /* Read A0 section */ 1478 if (start_addr < ETH_MODULE_SFF_8079_LEN) { 1479 /* Limit transfer size to the A0 section boundary */ 1480 if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN) 1481 xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr; 1482 else 1483 xfer_size = ee->len; 1484 bnx2x_acquire_phy_lock(bp); 1485 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1486 &bp->link_params, 1487 I2C_DEV_ADDR_A0, 1488 start_addr, 1489 xfer_size, 1490 user_data); 1491 bnx2x_release_phy_lock(bp); 1492 if (rc) { 1493 DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n"); 1494 1495 return -EINVAL; 1496 } 1497 user_data += xfer_size; 1498 start_addr += xfer_size; 1499 } 1500 1501 /* Read A2 section */ 1502 if ((start_addr >= ETH_MODULE_SFF_8079_LEN) && 1503 (start_addr < ETH_MODULE_SFF_8472_LEN)) { 1504 xfer_size = ee->len - xfer_size; 1505 /* Limit transfer size to the A2 section boundary */ 1506 if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN) 1507 xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr; 1508 start_addr -= ETH_MODULE_SFF_8079_LEN; 1509 bnx2x_acquire_phy_lock(bp); 1510 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1511 &bp->link_params, 1512 I2C_DEV_ADDR_A2, 1513 start_addr, 1514 xfer_size, 1515 user_data); 1516 bnx2x_release_phy_lock(bp); 1517 if (rc) { 1518 DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n"); 1519 return -EINVAL; 1520 } 1521 } 1522 return rc; 1523 } 1524 1525 static int bnx2x_get_module_info(struct net_device *dev, 1526 struct ethtool_modinfo *modinfo) 1527 { 1528 struct bnx2x *bp = netdev_priv(dev); 1529 int phy_idx, rc; 1530 u8 sff8472_comp, diag_type; 1531 1532 if (!bnx2x_is_nvm_accessible(bp)) { 1533 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1534 "cannot access eeprom when the interface is down\n"); 1535 return -EAGAIN; 1536 } 1537 phy_idx = bnx2x_get_cur_phy_idx(bp); 1538 bnx2x_acquire_phy_lock(bp); 1539 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1540 &bp->link_params, 1541 I2C_DEV_ADDR_A0, 1542 SFP_EEPROM_SFF_8472_COMP_ADDR, 1543 SFP_EEPROM_SFF_8472_COMP_SIZE, 1544 &sff8472_comp); 1545 bnx2x_release_phy_lock(bp); 1546 if (rc) { 1547 DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n"); 1548 return -EINVAL; 1549 } 1550 1551 bnx2x_acquire_phy_lock(bp); 1552 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1553 &bp->link_params, 1554 I2C_DEV_ADDR_A0, 1555 SFP_EEPROM_DIAG_TYPE_ADDR, 1556 SFP_EEPROM_DIAG_TYPE_SIZE, 1557 &diag_type); 1558 bnx2x_release_phy_lock(bp); 1559 if (rc) { 1560 DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n"); 1561 return -EINVAL; 1562 } 1563 1564 if (!sff8472_comp || 1565 (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ)) { 1566 modinfo->type = ETH_MODULE_SFF_8079; 1567 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 1568 } else { 1569 modinfo->type = ETH_MODULE_SFF_8472; 1570 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1571 } 1572 return 0; 1573 } 1574 1575 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, 1576 u32 cmd_flags) 1577 { 1578 int count, i, rc; 1579 1580 /* build the command word */ 1581 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; 1582 1583 /* need to clear DONE bit separately */ 1584 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); 1585 1586 /* write the data */ 1587 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); 1588 1589 /* address of the NVRAM to write to */ 1590 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, 1591 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); 1592 1593 /* issue the write command */ 1594 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); 1595 1596 /* adjust timeout for emulation/FPGA */ 1597 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1598 if (CHIP_REV_IS_SLOW(bp)) 1599 count *= 100; 1600 1601 /* wait for completion */ 1602 rc = -EBUSY; 1603 for (i = 0; i < count; i++) { 1604 udelay(5); 1605 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); 1606 if (val & MCPR_NVM_COMMAND_DONE) { 1607 rc = 0; 1608 break; 1609 } 1610 } 1611 1612 if (rc == -EBUSY) 1613 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1614 "nvram write timeout expired\n"); 1615 return rc; 1616 } 1617 1618 #define BYTE_OFFSET(offset) (8 * (offset & 0x03)) 1619 1620 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, 1621 int buf_size) 1622 { 1623 int rc; 1624 u32 cmd_flags, align_offset, val; 1625 __be32 val_be; 1626 1627 if (offset + buf_size > bp->common.flash_size) { 1628 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1629 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n", 1630 offset, buf_size, bp->common.flash_size); 1631 return -EINVAL; 1632 } 1633 1634 /* request access to nvram interface */ 1635 rc = bnx2x_acquire_nvram_lock(bp); 1636 if (rc) 1637 return rc; 1638 1639 /* enable access to nvram interface */ 1640 bnx2x_enable_nvram_access(bp); 1641 1642 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST); 1643 align_offset = (offset & ~0x03); 1644 rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags); 1645 1646 if (rc == 0) { 1647 /* nvram data is returned as an array of bytes 1648 * convert it back to cpu order 1649 */ 1650 val = be32_to_cpu(val_be); 1651 1652 val &= ~le32_to_cpu((__force __le32) 1653 (0xff << BYTE_OFFSET(offset))); 1654 val |= le32_to_cpu((__force __le32) 1655 (*data_buf << BYTE_OFFSET(offset))); 1656 1657 rc = bnx2x_nvram_write_dword(bp, align_offset, val, 1658 cmd_flags); 1659 } 1660 1661 /* disable access to nvram interface */ 1662 bnx2x_disable_nvram_access(bp); 1663 bnx2x_release_nvram_lock(bp); 1664 1665 return rc; 1666 } 1667 1668 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, 1669 int buf_size) 1670 { 1671 int rc; 1672 u32 cmd_flags; 1673 u32 val; 1674 u32 written_so_far; 1675 1676 if (buf_size == 1) /* ethtool */ 1677 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size); 1678 1679 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { 1680 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1681 "Invalid parameter: offset 0x%x buf_size 0x%x\n", 1682 offset, buf_size); 1683 return -EINVAL; 1684 } 1685 1686 if (offset + buf_size > bp->common.flash_size) { 1687 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1688 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n", 1689 offset, buf_size, bp->common.flash_size); 1690 return -EINVAL; 1691 } 1692 1693 /* request access to nvram interface */ 1694 rc = bnx2x_acquire_nvram_lock(bp); 1695 if (rc) 1696 return rc; 1697 1698 /* enable access to nvram interface */ 1699 bnx2x_enable_nvram_access(bp); 1700 1701 written_so_far = 0; 1702 cmd_flags = MCPR_NVM_COMMAND_FIRST; 1703 while ((written_so_far < buf_size) && (rc == 0)) { 1704 if (written_so_far == (buf_size - sizeof(u32))) 1705 cmd_flags |= MCPR_NVM_COMMAND_LAST; 1706 else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0) 1707 cmd_flags |= MCPR_NVM_COMMAND_LAST; 1708 else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0) 1709 cmd_flags |= MCPR_NVM_COMMAND_FIRST; 1710 1711 memcpy(&val, data_buf, 4); 1712 1713 /* Notice unlike bnx2x_nvram_read_dword() this will not 1714 * change val using be32_to_cpu(), which causes data to flip 1715 * if the eeprom is read and then written back. This is due 1716 * to tools utilizing this functionality that would break 1717 * if this would be resolved. 1718 */ 1719 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags); 1720 1721 /* advance to the next dword */ 1722 offset += sizeof(u32); 1723 data_buf += sizeof(u32); 1724 written_so_far += sizeof(u32); 1725 1726 /* At end of each 4Kb page, release nvram lock to allow MFW 1727 * chance to take it for its own use. 1728 */ 1729 if ((cmd_flags & MCPR_NVM_COMMAND_LAST) && 1730 (written_so_far < buf_size)) { 1731 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1732 "Releasing NVM lock after offset 0x%x\n", 1733 (u32)(offset - sizeof(u32))); 1734 bnx2x_release_nvram_lock(bp); 1735 usleep_range(1000, 2000); 1736 rc = bnx2x_acquire_nvram_lock(bp); 1737 if (rc) 1738 return rc; 1739 } 1740 1741 cmd_flags = 0; 1742 } 1743 1744 /* disable access to nvram interface */ 1745 bnx2x_disable_nvram_access(bp); 1746 bnx2x_release_nvram_lock(bp); 1747 1748 return rc; 1749 } 1750 1751 static int bnx2x_set_eeprom(struct net_device *dev, 1752 struct ethtool_eeprom *eeprom, u8 *eebuf) 1753 { 1754 struct bnx2x *bp = netdev_priv(dev); 1755 int port = BP_PORT(bp); 1756 int rc = 0; 1757 u32 ext_phy_config; 1758 1759 if (!bnx2x_is_nvm_accessible(bp)) { 1760 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1761 "cannot access eeprom when the interface is down\n"); 1762 return -EAGAIN; 1763 } 1764 1765 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" 1766 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", 1767 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, 1768 eeprom->len, eeprom->len); 1769 1770 /* parameters already validated in ethtool_set_eeprom */ 1771 1772 /* PHY eeprom can be accessed only by the PMF */ 1773 if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) && 1774 !bp->port.pmf) { 1775 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1776 "wrong magic or interface is not pmf\n"); 1777 return -EINVAL; 1778 } 1779 1780 ext_phy_config = 1781 SHMEM_RD(bp, 1782 dev_info.port_hw_config[port].external_phy_config); 1783 1784 if (eeprom->magic == 0x50485950) { 1785 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */ 1786 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 1787 1788 bnx2x_acquire_phy_lock(bp); 1789 rc |= bnx2x_link_reset(&bp->link_params, 1790 &bp->link_vars, 0); 1791 if (XGXS_EXT_PHY_TYPE(ext_phy_config) == 1792 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) 1793 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, 1794 MISC_REGISTERS_GPIO_HIGH, port); 1795 bnx2x_release_phy_lock(bp); 1796 bnx2x_link_report(bp); 1797 1798 } else if (eeprom->magic == 0x50485952) { 1799 /* 'PHYR' (0x50485952): re-init link after FW upgrade */ 1800 if (bp->state == BNX2X_STATE_OPEN) { 1801 bnx2x_acquire_phy_lock(bp); 1802 rc |= bnx2x_link_reset(&bp->link_params, 1803 &bp->link_vars, 1); 1804 1805 rc |= bnx2x_phy_init(&bp->link_params, 1806 &bp->link_vars); 1807 bnx2x_release_phy_lock(bp); 1808 bnx2x_calc_fc_adv(bp); 1809 } 1810 } else if (eeprom->magic == 0x53985943) { 1811 /* 'PHYC' (0x53985943): PHY FW upgrade completed */ 1812 if (XGXS_EXT_PHY_TYPE(ext_phy_config) == 1813 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) { 1814 1815 /* DSP Remove Download Mode */ 1816 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, 1817 MISC_REGISTERS_GPIO_LOW, port); 1818 1819 bnx2x_acquire_phy_lock(bp); 1820 1821 bnx2x_sfx7101_sp_sw_reset(bp, 1822 &bp->link_params.phy[EXT_PHY1]); 1823 1824 /* wait 0.5 sec to allow it to run */ 1825 msleep(500); 1826 bnx2x_ext_phy_hw_reset(bp, port); 1827 msleep(500); 1828 bnx2x_release_phy_lock(bp); 1829 } 1830 } else 1831 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); 1832 1833 return rc; 1834 } 1835 1836 static int bnx2x_get_coalesce(struct net_device *dev, 1837 struct ethtool_coalesce *coal) 1838 { 1839 struct bnx2x *bp = netdev_priv(dev); 1840 1841 memset(coal, 0, sizeof(struct ethtool_coalesce)); 1842 1843 coal->rx_coalesce_usecs = bp->rx_ticks; 1844 coal->tx_coalesce_usecs = bp->tx_ticks; 1845 1846 return 0; 1847 } 1848 1849 static int bnx2x_set_coalesce(struct net_device *dev, 1850 struct ethtool_coalesce *coal) 1851 { 1852 struct bnx2x *bp = netdev_priv(dev); 1853 1854 bp->rx_ticks = (u16)coal->rx_coalesce_usecs; 1855 if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT) 1856 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT; 1857 1858 bp->tx_ticks = (u16)coal->tx_coalesce_usecs; 1859 if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT) 1860 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT; 1861 1862 if (netif_running(dev)) 1863 bnx2x_update_coalesce(bp); 1864 1865 return 0; 1866 } 1867 1868 static void bnx2x_get_ringparam(struct net_device *dev, 1869 struct ethtool_ringparam *ering) 1870 { 1871 struct bnx2x *bp = netdev_priv(dev); 1872 1873 ering->rx_max_pending = MAX_RX_AVAIL; 1874 1875 /* If size isn't already set, we give an estimation of the number 1876 * of buffers we'll have. We're neglecting some possible conditions 1877 * [we couldn't know for certain at this point if number of queues 1878 * might shrink] but the number would be correct for the likely 1879 * scenario. 1880 */ 1881 if (bp->rx_ring_size) 1882 ering->rx_pending = bp->rx_ring_size; 1883 else if (BNX2X_NUM_RX_QUEUES(bp)) 1884 ering->rx_pending = MAX_RX_AVAIL / BNX2X_NUM_RX_QUEUES(bp); 1885 else 1886 ering->rx_pending = MAX_RX_AVAIL; 1887 1888 ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL; 1889 ering->tx_pending = bp->tx_ring_size; 1890 } 1891 1892 static int bnx2x_set_ringparam(struct net_device *dev, 1893 struct ethtool_ringparam *ering) 1894 { 1895 struct bnx2x *bp = netdev_priv(dev); 1896 1897 DP(BNX2X_MSG_ETHTOOL, 1898 "set ring params command parameters: rx_pending = %d, tx_pending = %d\n", 1899 ering->rx_pending, ering->tx_pending); 1900 1901 if (pci_num_vf(bp->pdev)) { 1902 DP(BNX2X_MSG_IOV, 1903 "VFs are enabled, can not change ring parameters\n"); 1904 return -EPERM; 1905 } 1906 1907 if (bp->recovery_state != BNX2X_RECOVERY_DONE) { 1908 DP(BNX2X_MSG_ETHTOOL, 1909 "Handling parity error recovery. Try again later\n"); 1910 return -EAGAIN; 1911 } 1912 1913 if ((ering->rx_pending > MAX_RX_AVAIL) || 1914 (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA : 1915 MIN_RX_SIZE_TPA)) || 1916 (ering->tx_pending > (IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL)) || 1917 (ering->tx_pending <= MAX_SKB_FRAGS + 4)) { 1918 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 1919 return -EINVAL; 1920 } 1921 1922 bp->rx_ring_size = ering->rx_pending; 1923 bp->tx_ring_size = ering->tx_pending; 1924 1925 return bnx2x_reload_if_running(dev); 1926 } 1927 1928 static void bnx2x_get_pauseparam(struct net_device *dev, 1929 struct ethtool_pauseparam *epause) 1930 { 1931 struct bnx2x *bp = netdev_priv(dev); 1932 int cfg_idx = bnx2x_get_link_cfg_idx(bp); 1933 int cfg_reg; 1934 1935 epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] == 1936 BNX2X_FLOW_CTRL_AUTO); 1937 1938 if (!epause->autoneg) 1939 cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx]; 1940 else 1941 cfg_reg = bp->link_params.req_fc_auto_adv; 1942 1943 epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) == 1944 BNX2X_FLOW_CTRL_RX); 1945 epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) == 1946 BNX2X_FLOW_CTRL_TX); 1947 1948 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n" 1949 " autoneg %d rx_pause %d tx_pause %d\n", 1950 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); 1951 } 1952 1953 static int bnx2x_set_pauseparam(struct net_device *dev, 1954 struct ethtool_pauseparam *epause) 1955 { 1956 struct bnx2x *bp = netdev_priv(dev); 1957 u32 cfg_idx = bnx2x_get_link_cfg_idx(bp); 1958 if (IS_MF(bp)) 1959 return 0; 1960 1961 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n" 1962 " autoneg %d rx_pause %d tx_pause %d\n", 1963 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); 1964 1965 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO; 1966 1967 if (epause->rx_pause) 1968 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX; 1969 1970 if (epause->tx_pause) 1971 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX; 1972 1973 if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO) 1974 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE; 1975 1976 if (epause->autoneg) { 1977 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) { 1978 DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n"); 1979 return -EINVAL; 1980 } 1981 1982 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) { 1983 bp->link_params.req_flow_ctrl[cfg_idx] = 1984 BNX2X_FLOW_CTRL_AUTO; 1985 } 1986 bp->link_params.req_fc_auto_adv = 0; 1987 if (epause->rx_pause) 1988 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX; 1989 1990 if (epause->tx_pause) 1991 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX; 1992 1993 if (!bp->link_params.req_fc_auto_adv) 1994 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_NONE; 1995 } 1996 1997 DP(BNX2X_MSG_ETHTOOL, 1998 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]); 1999 2000 if (netif_running(dev)) { 2001 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 2002 bnx2x_force_link_reset(bp); 2003 bnx2x_link_set(bp); 2004 } 2005 2006 return 0; 2007 } 2008 2009 static const char bnx2x_tests_str_arr[BNX2X_NUM_TESTS_SF][ETH_GSTRING_LEN] = { 2010 "register_test (offline) ", 2011 "memory_test (offline) ", 2012 "int_loopback_test (offline)", 2013 "ext_loopback_test (offline)", 2014 "nvram_test (online) ", 2015 "interrupt_test (online) ", 2016 "link_test (online) " 2017 }; 2018 2019 enum { 2020 BNX2X_PRI_FLAG_ISCSI, 2021 BNX2X_PRI_FLAG_FCOE, 2022 BNX2X_PRI_FLAG_STORAGE, 2023 BNX2X_PRI_FLAG_LEN, 2024 }; 2025 2026 static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = { 2027 "iSCSI offload support", 2028 "FCoE offload support", 2029 "Storage only interface" 2030 }; 2031 2032 static u32 bnx2x_eee_to_adv(u32 eee_adv) 2033 { 2034 u32 modes = 0; 2035 2036 if (eee_adv & SHMEM_EEE_100M_ADV) 2037 modes |= ADVERTISED_100baseT_Full; 2038 if (eee_adv & SHMEM_EEE_1G_ADV) 2039 modes |= ADVERTISED_1000baseT_Full; 2040 if (eee_adv & SHMEM_EEE_10G_ADV) 2041 modes |= ADVERTISED_10000baseT_Full; 2042 2043 return modes; 2044 } 2045 2046 static u32 bnx2x_adv_to_eee(u32 modes, u32 shift) 2047 { 2048 u32 eee_adv = 0; 2049 if (modes & ADVERTISED_100baseT_Full) 2050 eee_adv |= SHMEM_EEE_100M_ADV; 2051 if (modes & ADVERTISED_1000baseT_Full) 2052 eee_adv |= SHMEM_EEE_1G_ADV; 2053 if (modes & ADVERTISED_10000baseT_Full) 2054 eee_adv |= SHMEM_EEE_10G_ADV; 2055 2056 return eee_adv << shift; 2057 } 2058 2059 static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata) 2060 { 2061 struct bnx2x *bp = netdev_priv(dev); 2062 u32 eee_cfg; 2063 2064 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) { 2065 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n"); 2066 return -EOPNOTSUPP; 2067 } 2068 2069 eee_cfg = bp->link_vars.eee_status; 2070 2071 edata->supported = 2072 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >> 2073 SHMEM_EEE_SUPPORTED_SHIFT); 2074 2075 edata->advertised = 2076 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >> 2077 SHMEM_EEE_ADV_STATUS_SHIFT); 2078 edata->lp_advertised = 2079 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >> 2080 SHMEM_EEE_LP_ADV_STATUS_SHIFT); 2081 2082 /* SHMEM value is in 16u units --> Convert to 1u units. */ 2083 edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4; 2084 2085 edata->eee_enabled = (eee_cfg & SHMEM_EEE_REQUESTED_BIT) ? 1 : 0; 2086 edata->eee_active = (eee_cfg & SHMEM_EEE_ACTIVE_BIT) ? 1 : 0; 2087 edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0; 2088 2089 return 0; 2090 } 2091 2092 static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata) 2093 { 2094 struct bnx2x *bp = netdev_priv(dev); 2095 u32 eee_cfg; 2096 u32 advertised; 2097 2098 if (IS_MF(bp)) 2099 return 0; 2100 2101 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) { 2102 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n"); 2103 return -EOPNOTSUPP; 2104 } 2105 2106 eee_cfg = bp->link_vars.eee_status; 2107 2108 if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) { 2109 DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n"); 2110 return -EOPNOTSUPP; 2111 } 2112 2113 advertised = bnx2x_adv_to_eee(edata->advertised, 2114 SHMEM_EEE_ADV_STATUS_SHIFT); 2115 if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) { 2116 DP(BNX2X_MSG_ETHTOOL, 2117 "Direct manipulation of EEE advertisement is not supported\n"); 2118 return -EINVAL; 2119 } 2120 2121 if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) { 2122 DP(BNX2X_MSG_ETHTOOL, 2123 "Maximal Tx Lpi timer supported is %x(u)\n", 2124 EEE_MODE_TIMER_MASK); 2125 return -EINVAL; 2126 } 2127 if (edata->tx_lpi_enabled && 2128 (edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) { 2129 DP(BNX2X_MSG_ETHTOOL, 2130 "Minimal Tx Lpi timer supported is %d(u)\n", 2131 EEE_MODE_NVRAM_AGGRESSIVE_TIME); 2132 return -EINVAL; 2133 } 2134 2135 /* All is well; Apply changes*/ 2136 if (edata->eee_enabled) 2137 bp->link_params.eee_mode |= EEE_MODE_ADV_LPI; 2138 else 2139 bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI; 2140 2141 if (edata->tx_lpi_enabled) 2142 bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI; 2143 else 2144 bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI; 2145 2146 bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK; 2147 bp->link_params.eee_mode |= (edata->tx_lpi_timer & 2148 EEE_MODE_TIMER_MASK) | 2149 EEE_MODE_OVERRIDE_NVRAM | 2150 EEE_MODE_OUTPUT_TIME; 2151 2152 /* Restart link to propagate changes */ 2153 if (netif_running(dev)) { 2154 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 2155 bnx2x_force_link_reset(bp); 2156 bnx2x_link_set(bp); 2157 } 2158 2159 return 0; 2160 } 2161 2162 enum { 2163 BNX2X_CHIP_E1_OFST = 0, 2164 BNX2X_CHIP_E1H_OFST, 2165 BNX2X_CHIP_E2_OFST, 2166 BNX2X_CHIP_E3_OFST, 2167 BNX2X_CHIP_E3B0_OFST, 2168 BNX2X_CHIP_MAX_OFST 2169 }; 2170 2171 #define BNX2X_CHIP_MASK_E1 (1 << BNX2X_CHIP_E1_OFST) 2172 #define BNX2X_CHIP_MASK_E1H (1 << BNX2X_CHIP_E1H_OFST) 2173 #define BNX2X_CHIP_MASK_E2 (1 << BNX2X_CHIP_E2_OFST) 2174 #define BNX2X_CHIP_MASK_E3 (1 << BNX2X_CHIP_E3_OFST) 2175 #define BNX2X_CHIP_MASK_E3B0 (1 << BNX2X_CHIP_E3B0_OFST) 2176 2177 #define BNX2X_CHIP_MASK_ALL ((1 << BNX2X_CHIP_MAX_OFST) - 1) 2178 #define BNX2X_CHIP_MASK_E1X (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H) 2179 2180 static int bnx2x_test_registers(struct bnx2x *bp) 2181 { 2182 int idx, i, rc = -ENODEV; 2183 u32 wr_val = 0, hw; 2184 int port = BP_PORT(bp); 2185 static const struct { 2186 u32 hw; 2187 u32 offset0; 2188 u32 offset1; 2189 u32 mask; 2190 } reg_tbl[] = { 2191 /* 0 */ { BNX2X_CHIP_MASK_ALL, 2192 BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff }, 2193 { BNX2X_CHIP_MASK_ALL, 2194 DORQ_REG_DB_ADDR0, 4, 0xffffffff }, 2195 { BNX2X_CHIP_MASK_E1X, 2196 HC_REG_AGG_INT_0, 4, 0x000003ff }, 2197 { BNX2X_CHIP_MASK_ALL, 2198 PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 }, 2199 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3, 2200 PBF_REG_P0_INIT_CRD, 4, 0x000007ff }, 2201 { BNX2X_CHIP_MASK_E3B0, 2202 PBF_REG_INIT_CRD_Q0, 4, 0x000007ff }, 2203 { BNX2X_CHIP_MASK_ALL, 2204 PRS_REG_CID_PORT_0, 4, 0x00ffffff }, 2205 { BNX2X_CHIP_MASK_ALL, 2206 PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff }, 2207 { BNX2X_CHIP_MASK_ALL, 2208 PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, 2209 { BNX2X_CHIP_MASK_ALL, 2210 PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff }, 2211 /* 10 */ { BNX2X_CHIP_MASK_ALL, 2212 PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, 2213 { BNX2X_CHIP_MASK_ALL, 2214 PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff }, 2215 { BNX2X_CHIP_MASK_ALL, 2216 QM_REG_CONNNUM_0, 4, 0x000fffff }, 2217 { BNX2X_CHIP_MASK_ALL, 2218 TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff }, 2219 { BNX2X_CHIP_MASK_ALL, 2220 SRC_REG_KEYRSS0_0, 40, 0xffffffff }, 2221 { BNX2X_CHIP_MASK_ALL, 2222 SRC_REG_KEYRSS0_7, 40, 0xffffffff }, 2223 { BNX2X_CHIP_MASK_ALL, 2224 XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 }, 2225 { BNX2X_CHIP_MASK_ALL, 2226 XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 }, 2227 { BNX2X_CHIP_MASK_ALL, 2228 XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff }, 2229 { BNX2X_CHIP_MASK_ALL, 2230 NIG_REG_LLH0_T_BIT, 4, 0x00000001 }, 2231 /* 20 */ { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2232 NIG_REG_EMAC0_IN_EN, 4, 0x00000001 }, 2233 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2234 NIG_REG_BMAC0_IN_EN, 4, 0x00000001 }, 2235 { BNX2X_CHIP_MASK_ALL, 2236 NIG_REG_XCM0_OUT_EN, 4, 0x00000001 }, 2237 { BNX2X_CHIP_MASK_ALL, 2238 NIG_REG_BRB0_OUT_EN, 4, 0x00000001 }, 2239 { BNX2X_CHIP_MASK_ALL, 2240 NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 }, 2241 { BNX2X_CHIP_MASK_ALL, 2242 NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff }, 2243 { BNX2X_CHIP_MASK_ALL, 2244 NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff }, 2245 { BNX2X_CHIP_MASK_ALL, 2246 NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff }, 2247 { BNX2X_CHIP_MASK_ALL, 2248 NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff }, 2249 { BNX2X_CHIP_MASK_ALL, 2250 NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 }, 2251 /* 30 */ { BNX2X_CHIP_MASK_ALL, 2252 NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff }, 2253 { BNX2X_CHIP_MASK_ALL, 2254 NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff }, 2255 { BNX2X_CHIP_MASK_ALL, 2256 NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff }, 2257 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2258 NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 }, 2259 { BNX2X_CHIP_MASK_ALL, 2260 NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001}, 2261 { BNX2X_CHIP_MASK_ALL, 2262 NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff }, 2263 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2264 NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 }, 2265 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2266 NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f }, 2267 2268 { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 } 2269 }; 2270 2271 if (!bnx2x_is_nvm_accessible(bp)) { 2272 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2273 "cannot access eeprom when the interface is down\n"); 2274 return rc; 2275 } 2276 2277 if (CHIP_IS_E1(bp)) 2278 hw = BNX2X_CHIP_MASK_E1; 2279 else if (CHIP_IS_E1H(bp)) 2280 hw = BNX2X_CHIP_MASK_E1H; 2281 else if (CHIP_IS_E2(bp)) 2282 hw = BNX2X_CHIP_MASK_E2; 2283 else if (CHIP_IS_E3B0(bp)) 2284 hw = BNX2X_CHIP_MASK_E3B0; 2285 else /* e3 A0 */ 2286 hw = BNX2X_CHIP_MASK_E3; 2287 2288 /* Repeat the test twice: 2289 * First by writing 0x00000000, second by writing 0xffffffff 2290 */ 2291 for (idx = 0; idx < 2; idx++) { 2292 2293 switch (idx) { 2294 case 0: 2295 wr_val = 0; 2296 break; 2297 case 1: 2298 wr_val = 0xffffffff; 2299 break; 2300 } 2301 2302 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) { 2303 u32 offset, mask, save_val, val; 2304 if (!(hw & reg_tbl[i].hw)) 2305 continue; 2306 2307 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1; 2308 mask = reg_tbl[i].mask; 2309 2310 save_val = REG_RD(bp, offset); 2311 2312 REG_WR(bp, offset, wr_val & mask); 2313 2314 val = REG_RD(bp, offset); 2315 2316 /* Restore the original register's value */ 2317 REG_WR(bp, offset, save_val); 2318 2319 /* verify value is as expected */ 2320 if ((val & mask) != (wr_val & mask)) { 2321 DP(BNX2X_MSG_ETHTOOL, 2322 "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n", 2323 offset, val, wr_val, mask); 2324 goto test_reg_exit; 2325 } 2326 } 2327 } 2328 2329 rc = 0; 2330 2331 test_reg_exit: 2332 return rc; 2333 } 2334 2335 static int bnx2x_test_memory(struct bnx2x *bp) 2336 { 2337 int i, j, rc = -ENODEV; 2338 u32 val, index; 2339 static const struct { 2340 u32 offset; 2341 int size; 2342 } mem_tbl[] = { 2343 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE }, 2344 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE }, 2345 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE }, 2346 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE }, 2347 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE }, 2348 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE }, 2349 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE }, 2350 2351 { 0xffffffff, 0 } 2352 }; 2353 2354 static const struct { 2355 char *name; 2356 u32 offset; 2357 u32 hw_mask[BNX2X_CHIP_MAX_OFST]; 2358 } prty_tbl[] = { 2359 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 2360 {0x3ffc0, 0, 0, 0} }, 2361 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 2362 {0x2, 0x2, 0, 0} }, 2363 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 2364 {0, 0, 0, 0} }, 2365 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 2366 {0x3ffc0, 0, 0, 0} }, 2367 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 2368 {0x3ffc0, 0, 0, 0} }, 2369 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 2370 {0x3ffc1, 0, 0, 0} }, 2371 2372 { NULL, 0xffffffff, {0, 0, 0, 0} } 2373 }; 2374 2375 if (!bnx2x_is_nvm_accessible(bp)) { 2376 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2377 "cannot access eeprom when the interface is down\n"); 2378 return rc; 2379 } 2380 2381 if (CHIP_IS_E1(bp)) 2382 index = BNX2X_CHIP_E1_OFST; 2383 else if (CHIP_IS_E1H(bp)) 2384 index = BNX2X_CHIP_E1H_OFST; 2385 else if (CHIP_IS_E2(bp)) 2386 index = BNX2X_CHIP_E2_OFST; 2387 else /* e3 */ 2388 index = BNX2X_CHIP_E3_OFST; 2389 2390 /* pre-Check the parity status */ 2391 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { 2392 val = REG_RD(bp, prty_tbl[i].offset); 2393 if (val & ~(prty_tbl[i].hw_mask[index])) { 2394 DP(BNX2X_MSG_ETHTOOL, 2395 "%s is 0x%x\n", prty_tbl[i].name, val); 2396 goto test_mem_exit; 2397 } 2398 } 2399 2400 /* Go through all the memories */ 2401 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) 2402 for (j = 0; j < mem_tbl[i].size; j++) 2403 REG_RD(bp, mem_tbl[i].offset + j*4); 2404 2405 /* Check the parity status */ 2406 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { 2407 val = REG_RD(bp, prty_tbl[i].offset); 2408 if (val & ~(prty_tbl[i].hw_mask[index])) { 2409 DP(BNX2X_MSG_ETHTOOL, 2410 "%s is 0x%x\n", prty_tbl[i].name, val); 2411 goto test_mem_exit; 2412 } 2413 } 2414 2415 rc = 0; 2416 2417 test_mem_exit: 2418 return rc; 2419 } 2420 2421 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes) 2422 { 2423 int cnt = 1400; 2424 2425 if (link_up) { 2426 while (bnx2x_link_test(bp, is_serdes) && cnt--) 2427 msleep(20); 2428 2429 if (cnt <= 0 && bnx2x_link_test(bp, is_serdes)) 2430 DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n"); 2431 2432 cnt = 1400; 2433 while (!bp->link_vars.link_up && cnt--) 2434 msleep(20); 2435 2436 if (cnt <= 0 && !bp->link_vars.link_up) 2437 DP(BNX2X_MSG_ETHTOOL, 2438 "Timeout waiting for link init\n"); 2439 } 2440 } 2441 2442 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode) 2443 { 2444 unsigned int pkt_size, num_pkts, i; 2445 struct sk_buff *skb; 2446 unsigned char *packet; 2447 struct bnx2x_fastpath *fp_rx = &bp->fp[0]; 2448 struct bnx2x_fastpath *fp_tx = &bp->fp[0]; 2449 struct bnx2x_fp_txdata *txdata = fp_tx->txdata_ptr[0]; 2450 u16 tx_start_idx, tx_idx; 2451 u16 rx_start_idx, rx_idx; 2452 u16 pkt_prod, bd_prod; 2453 struct sw_tx_bd *tx_buf; 2454 struct eth_tx_start_bd *tx_start_bd; 2455 dma_addr_t mapping; 2456 union eth_rx_cqe *cqe; 2457 u8 cqe_fp_flags, cqe_fp_type; 2458 struct sw_rx_bd *rx_buf; 2459 u16 len; 2460 int rc = -ENODEV; 2461 u8 *data; 2462 struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, 2463 txdata->txq_index); 2464 2465 /* check the loopback mode */ 2466 switch (loopback_mode) { 2467 case BNX2X_PHY_LOOPBACK: 2468 if (bp->link_params.loopback_mode != LOOPBACK_XGXS) { 2469 DP(BNX2X_MSG_ETHTOOL, "PHY loopback not supported\n"); 2470 return -EINVAL; 2471 } 2472 break; 2473 case BNX2X_MAC_LOOPBACK: 2474 if (CHIP_IS_E3(bp)) { 2475 int cfg_idx = bnx2x_get_link_cfg_idx(bp); 2476 if (bp->port.supported[cfg_idx] & 2477 (SUPPORTED_10000baseT_Full | 2478 SUPPORTED_20000baseMLD2_Full | 2479 SUPPORTED_20000baseKR2_Full)) 2480 bp->link_params.loopback_mode = LOOPBACK_XMAC; 2481 else 2482 bp->link_params.loopback_mode = LOOPBACK_UMAC; 2483 } else 2484 bp->link_params.loopback_mode = LOOPBACK_BMAC; 2485 2486 bnx2x_phy_init(&bp->link_params, &bp->link_vars); 2487 break; 2488 case BNX2X_EXT_LOOPBACK: 2489 if (bp->link_params.loopback_mode != LOOPBACK_EXT) { 2490 DP(BNX2X_MSG_ETHTOOL, 2491 "Can't configure external loopback\n"); 2492 return -EINVAL; 2493 } 2494 break; 2495 default: 2496 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 2497 return -EINVAL; 2498 } 2499 2500 /* prepare the loopback packet */ 2501 pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ? 2502 bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN); 2503 skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size); 2504 if (!skb) { 2505 DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n"); 2506 rc = -ENOMEM; 2507 goto test_loopback_exit; 2508 } 2509 packet = skb_put(skb, pkt_size); 2510 memcpy(packet, bp->dev->dev_addr, ETH_ALEN); 2511 eth_zero_addr(packet + ETH_ALEN); 2512 memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN)); 2513 for (i = ETH_HLEN; i < pkt_size; i++) 2514 packet[i] = (unsigned char) (i & 0xff); 2515 mapping = dma_map_single(&bp->pdev->dev, skb->data, 2516 skb_headlen(skb), DMA_TO_DEVICE); 2517 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { 2518 rc = -ENOMEM; 2519 dev_kfree_skb(skb); 2520 DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n"); 2521 goto test_loopback_exit; 2522 } 2523 2524 /* send the loopback packet */ 2525 num_pkts = 0; 2526 tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb); 2527 rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb); 2528 2529 netdev_tx_sent_queue(txq, skb->len); 2530 2531 pkt_prod = txdata->tx_pkt_prod++; 2532 tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)]; 2533 tx_buf->first_bd = txdata->tx_bd_prod; 2534 tx_buf->skb = skb; 2535 tx_buf->flags = 0; 2536 2537 bd_prod = TX_BD(txdata->tx_bd_prod); 2538 tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd; 2539 tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); 2540 tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); 2541 tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */ 2542 tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb)); 2543 tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod); 2544 tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; 2545 SET_FLAG(tx_start_bd->general_data, 2546 ETH_TX_START_BD_HDR_NBDS, 2547 1); 2548 SET_FLAG(tx_start_bd->general_data, 2549 ETH_TX_START_BD_PARSE_NBDS, 2550 0); 2551 2552 /* turn on parsing and get a BD */ 2553 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); 2554 2555 if (CHIP_IS_E1x(bp)) { 2556 u16 global_data = 0; 2557 struct eth_tx_parse_bd_e1x *pbd_e1x = 2558 &txdata->tx_desc_ring[bd_prod].parse_bd_e1x; 2559 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x)); 2560 SET_FLAG(global_data, 2561 ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE, UNICAST_ADDRESS); 2562 pbd_e1x->global_data = cpu_to_le16(global_data); 2563 } else { 2564 u32 parsing_data = 0; 2565 struct eth_tx_parse_bd_e2 *pbd_e2 = 2566 &txdata->tx_desc_ring[bd_prod].parse_bd_e2; 2567 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2)); 2568 SET_FLAG(parsing_data, 2569 ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE, UNICAST_ADDRESS); 2570 pbd_e2->parsing_data = cpu_to_le32(parsing_data); 2571 } 2572 wmb(); 2573 2574 txdata->tx_db.data.prod += 2; 2575 barrier(); 2576 DOORBELL(bp, txdata->cid, txdata->tx_db.raw); 2577 2578 mmiowb(); 2579 barrier(); 2580 2581 num_pkts++; 2582 txdata->tx_bd_prod += 2; /* start + pbd */ 2583 2584 udelay(100); 2585 2586 tx_idx = le16_to_cpu(*txdata->tx_cons_sb); 2587 if (tx_idx != tx_start_idx + num_pkts) 2588 goto test_loopback_exit; 2589 2590 /* Unlike HC IGU won't generate an interrupt for status block 2591 * updates that have been performed while interrupts were 2592 * disabled. 2593 */ 2594 if (bp->common.int_block == INT_BLOCK_IGU) { 2595 /* Disable local BHes to prevent a dead-lock situation between 2596 * sch_direct_xmit() and bnx2x_run_loopback() (calling 2597 * bnx2x_tx_int()), as both are taking netif_tx_lock(). 2598 */ 2599 local_bh_disable(); 2600 bnx2x_tx_int(bp, txdata); 2601 local_bh_enable(); 2602 } 2603 2604 rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb); 2605 if (rx_idx != rx_start_idx + num_pkts) 2606 goto test_loopback_exit; 2607 2608 cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)]; 2609 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; 2610 cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE; 2611 if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS)) 2612 goto test_loopback_rx_exit; 2613 2614 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len); 2615 if (len != pkt_size) 2616 goto test_loopback_rx_exit; 2617 2618 rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)]; 2619 dma_sync_single_for_cpu(&bp->pdev->dev, 2620 dma_unmap_addr(rx_buf, mapping), 2621 fp_rx->rx_buf_size, DMA_FROM_DEVICE); 2622 data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset; 2623 for (i = ETH_HLEN; i < pkt_size; i++) 2624 if (*(data + i) != (unsigned char) (i & 0xff)) 2625 goto test_loopback_rx_exit; 2626 2627 rc = 0; 2628 2629 test_loopback_rx_exit: 2630 2631 fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons); 2632 fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod); 2633 fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons); 2634 fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod); 2635 2636 /* Update producers */ 2637 bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod, 2638 fp_rx->rx_sge_prod); 2639 2640 test_loopback_exit: 2641 bp->link_params.loopback_mode = LOOPBACK_NONE; 2642 2643 return rc; 2644 } 2645 2646 static int bnx2x_test_loopback(struct bnx2x *bp) 2647 { 2648 int rc = 0, res; 2649 2650 if (BP_NOMCP(bp)) 2651 return rc; 2652 2653 if (!netif_running(bp->dev)) 2654 return BNX2X_LOOPBACK_FAILED; 2655 2656 bnx2x_netif_stop(bp, 1); 2657 bnx2x_acquire_phy_lock(bp); 2658 2659 res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK); 2660 if (res) { 2661 DP(BNX2X_MSG_ETHTOOL, " PHY loopback failed (res %d)\n", res); 2662 rc |= BNX2X_PHY_LOOPBACK_FAILED; 2663 } 2664 2665 res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK); 2666 if (res) { 2667 DP(BNX2X_MSG_ETHTOOL, " MAC loopback failed (res %d)\n", res); 2668 rc |= BNX2X_MAC_LOOPBACK_FAILED; 2669 } 2670 2671 bnx2x_release_phy_lock(bp); 2672 bnx2x_netif_start(bp); 2673 2674 return rc; 2675 } 2676 2677 static int bnx2x_test_ext_loopback(struct bnx2x *bp) 2678 { 2679 int rc; 2680 u8 is_serdes = 2681 (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0; 2682 2683 if (BP_NOMCP(bp)) 2684 return -ENODEV; 2685 2686 if (!netif_running(bp->dev)) 2687 return BNX2X_EXT_LOOPBACK_FAILED; 2688 2689 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false); 2690 rc = bnx2x_nic_load(bp, LOAD_LOOPBACK_EXT); 2691 if (rc) { 2692 DP(BNX2X_MSG_ETHTOOL, 2693 "Can't perform self-test, nic_load (for external lb) failed\n"); 2694 return -ENODEV; 2695 } 2696 bnx2x_wait_for_link(bp, 1, is_serdes); 2697 2698 bnx2x_netif_stop(bp, 1); 2699 2700 rc = bnx2x_run_loopback(bp, BNX2X_EXT_LOOPBACK); 2701 if (rc) 2702 DP(BNX2X_MSG_ETHTOOL, "EXT loopback failed (res %d)\n", rc); 2703 2704 bnx2x_netif_start(bp); 2705 2706 return rc; 2707 } 2708 2709 struct code_entry { 2710 u32 sram_start_addr; 2711 u32 code_attribute; 2712 #define CODE_IMAGE_TYPE_MASK 0xf0800003 2713 #define CODE_IMAGE_VNTAG_PROFILES_DATA 0xd0000003 2714 #define CODE_IMAGE_LENGTH_MASK 0x007ffffc 2715 #define CODE_IMAGE_TYPE_EXTENDED_DIR 0xe0000000 2716 u32 nvm_start_addr; 2717 }; 2718 2719 #define CODE_ENTRY_MAX 16 2720 #define CODE_ENTRY_EXTENDED_DIR_IDX 15 2721 #define MAX_IMAGES_IN_EXTENDED_DIR 64 2722 #define NVRAM_DIR_OFFSET 0x14 2723 2724 #define EXTENDED_DIR_EXISTS(code) \ 2725 ((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \ 2726 (code & CODE_IMAGE_LENGTH_MASK) != 0) 2727 2728 #define CRC32_RESIDUAL 0xdebb20e3 2729 #define CRC_BUFF_SIZE 256 2730 2731 static int bnx2x_nvram_crc(struct bnx2x *bp, 2732 int offset, 2733 int size, 2734 u8 *buff) 2735 { 2736 u32 crc = ~0; 2737 int rc = 0, done = 0; 2738 2739 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2740 "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size); 2741 2742 while (done < size) { 2743 int count = min_t(int, size - done, CRC_BUFF_SIZE); 2744 2745 rc = bnx2x_nvram_read(bp, offset + done, buff, count); 2746 2747 if (rc) 2748 return rc; 2749 2750 crc = crc32_le(crc, buff, count); 2751 done += count; 2752 } 2753 2754 if (crc != CRC32_RESIDUAL) 2755 rc = -EINVAL; 2756 2757 return rc; 2758 } 2759 2760 static int bnx2x_test_nvram_dir(struct bnx2x *bp, 2761 struct code_entry *entry, 2762 u8 *buff) 2763 { 2764 size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK; 2765 u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK; 2766 int rc; 2767 2768 /* Zero-length images and AFEX profiles do not have CRC */ 2769 if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA) 2770 return 0; 2771 2772 rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff); 2773 if (rc) 2774 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2775 "image %x has failed crc test (rc %d)\n", type, rc); 2776 2777 return rc; 2778 } 2779 2780 static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff) 2781 { 2782 int rc; 2783 struct code_entry entry; 2784 2785 rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry)); 2786 if (rc) 2787 return rc; 2788 2789 return bnx2x_test_nvram_dir(bp, &entry, buff); 2790 } 2791 2792 static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff) 2793 { 2794 u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET; 2795 struct code_entry entry; 2796 int i; 2797 2798 rc = bnx2x_nvram_read32(bp, 2799 dir_offset + 2800 sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX, 2801 (u32 *)&entry, sizeof(entry)); 2802 if (rc) 2803 return rc; 2804 2805 if (!EXTENDED_DIR_EXISTS(entry.code_attribute)) 2806 return 0; 2807 2808 rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr, 2809 &cnt, sizeof(u32)); 2810 if (rc) 2811 return rc; 2812 2813 dir_offset = entry.nvm_start_addr + 8; 2814 2815 for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) { 2816 rc = bnx2x_test_dir_entry(bp, dir_offset + 2817 sizeof(struct code_entry) * i, 2818 buff); 2819 if (rc) 2820 return rc; 2821 } 2822 2823 return 0; 2824 } 2825 2826 static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff) 2827 { 2828 u32 rc, dir_offset = NVRAM_DIR_OFFSET; 2829 int i; 2830 2831 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n"); 2832 2833 for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) { 2834 rc = bnx2x_test_dir_entry(bp, dir_offset + 2835 sizeof(struct code_entry) * i, 2836 buff); 2837 if (rc) 2838 return rc; 2839 } 2840 2841 return bnx2x_test_nvram_ext_dirs(bp, buff); 2842 } 2843 2844 struct crc_pair { 2845 int offset; 2846 int size; 2847 }; 2848 2849 static int bnx2x_test_nvram_tbl(struct bnx2x *bp, 2850 const struct crc_pair *nvram_tbl, u8 *buf) 2851 { 2852 int i; 2853 2854 for (i = 0; nvram_tbl[i].size; i++) { 2855 int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset, 2856 nvram_tbl[i].size, buf); 2857 if (rc) { 2858 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2859 "nvram_tbl[%d] has failed crc test (rc %d)\n", 2860 i, rc); 2861 return rc; 2862 } 2863 } 2864 2865 return 0; 2866 } 2867 2868 static int bnx2x_test_nvram(struct bnx2x *bp) 2869 { 2870 const struct crc_pair nvram_tbl[] = { 2871 { 0, 0x14 }, /* bootstrap */ 2872 { 0x14, 0xec }, /* dir */ 2873 { 0x100, 0x350 }, /* manuf_info */ 2874 { 0x450, 0xf0 }, /* feature_info */ 2875 { 0x640, 0x64 }, /* upgrade_key_info */ 2876 { 0x708, 0x70 }, /* manuf_key_info */ 2877 { 0, 0 } 2878 }; 2879 const struct crc_pair nvram_tbl2[] = { 2880 { 0x7e8, 0x350 }, /* manuf_info2 */ 2881 { 0xb38, 0xf0 }, /* feature_info */ 2882 { 0, 0 } 2883 }; 2884 2885 u8 *buf; 2886 int rc; 2887 u32 magic; 2888 2889 if (BP_NOMCP(bp)) 2890 return 0; 2891 2892 buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL); 2893 if (!buf) { 2894 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n"); 2895 rc = -ENOMEM; 2896 goto test_nvram_exit; 2897 } 2898 2899 rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic)); 2900 if (rc) { 2901 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2902 "magic value read (rc %d)\n", rc); 2903 goto test_nvram_exit; 2904 } 2905 2906 if (magic != 0x669955aa) { 2907 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2908 "wrong magic value (0x%08x)\n", magic); 2909 rc = -ENODEV; 2910 goto test_nvram_exit; 2911 } 2912 2913 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n"); 2914 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf); 2915 if (rc) 2916 goto test_nvram_exit; 2917 2918 if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) { 2919 u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) & 2920 SHARED_HW_CFG_HIDE_PORT1; 2921 2922 if (!hide) { 2923 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2924 "Port 1 CRC test-set\n"); 2925 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf); 2926 if (rc) 2927 goto test_nvram_exit; 2928 } 2929 } 2930 2931 rc = bnx2x_test_nvram_dirs(bp, buf); 2932 2933 test_nvram_exit: 2934 kfree(buf); 2935 return rc; 2936 } 2937 2938 /* Send an EMPTY ramrod on the first queue */ 2939 static int bnx2x_test_intr(struct bnx2x *bp) 2940 { 2941 struct bnx2x_queue_state_params params = {NULL}; 2942 2943 if (!netif_running(bp->dev)) { 2944 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2945 "cannot access eeprom when the interface is down\n"); 2946 return -ENODEV; 2947 } 2948 2949 params.q_obj = &bp->sp_objs->q_obj; 2950 params.cmd = BNX2X_Q_CMD_EMPTY; 2951 2952 __set_bit(RAMROD_COMP_WAIT, ¶ms.ramrod_flags); 2953 2954 return bnx2x_queue_state_change(bp, ¶ms); 2955 } 2956 2957 static void bnx2x_self_test(struct net_device *dev, 2958 struct ethtool_test *etest, u64 *buf) 2959 { 2960 struct bnx2x *bp = netdev_priv(dev); 2961 u8 is_serdes, link_up; 2962 int rc, cnt = 0; 2963 2964 if (pci_num_vf(bp->pdev)) { 2965 DP(BNX2X_MSG_IOV, 2966 "VFs are enabled, can not perform self test\n"); 2967 return; 2968 } 2969 2970 if (bp->recovery_state != BNX2X_RECOVERY_DONE) { 2971 netdev_err(bp->dev, 2972 "Handling parity error recovery. Try again later\n"); 2973 etest->flags |= ETH_TEST_FL_FAILED; 2974 return; 2975 } 2976 2977 DP(BNX2X_MSG_ETHTOOL, 2978 "Self-test command parameters: offline = %d, external_lb = %d\n", 2979 (etest->flags & ETH_TEST_FL_OFFLINE), 2980 (etest->flags & ETH_TEST_FL_EXTERNAL_LB)>>2); 2981 2982 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp)); 2983 2984 if (bnx2x_test_nvram(bp) != 0) { 2985 if (!IS_MF(bp)) 2986 buf[4] = 1; 2987 else 2988 buf[0] = 1; 2989 etest->flags |= ETH_TEST_FL_FAILED; 2990 } 2991 2992 if (!netif_running(dev)) { 2993 DP(BNX2X_MSG_ETHTOOL, "Interface is down\n"); 2994 return; 2995 } 2996 2997 is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0; 2998 link_up = bp->link_vars.link_up; 2999 /* offline tests are not supported in MF mode */ 3000 if ((etest->flags & ETH_TEST_FL_OFFLINE) && !IS_MF(bp)) { 3001 int port = BP_PORT(bp); 3002 u32 val; 3003 3004 /* save current value of input enable for TX port IF */ 3005 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4); 3006 /* disable input for TX port IF */ 3007 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0); 3008 3009 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false); 3010 rc = bnx2x_nic_load(bp, LOAD_DIAG); 3011 if (rc) { 3012 etest->flags |= ETH_TEST_FL_FAILED; 3013 DP(BNX2X_MSG_ETHTOOL, 3014 "Can't perform self-test, nic_load (for offline) failed\n"); 3015 return; 3016 } 3017 3018 /* wait until link state is restored */ 3019 bnx2x_wait_for_link(bp, 1, is_serdes); 3020 3021 if (bnx2x_test_registers(bp) != 0) { 3022 buf[0] = 1; 3023 etest->flags |= ETH_TEST_FL_FAILED; 3024 } 3025 if (bnx2x_test_memory(bp) != 0) { 3026 buf[1] = 1; 3027 etest->flags |= ETH_TEST_FL_FAILED; 3028 } 3029 3030 buf[2] = bnx2x_test_loopback(bp); /* internal LB */ 3031 if (buf[2] != 0) 3032 etest->flags |= ETH_TEST_FL_FAILED; 3033 3034 if (etest->flags & ETH_TEST_FL_EXTERNAL_LB) { 3035 buf[3] = bnx2x_test_ext_loopback(bp); /* external LB */ 3036 if (buf[3] != 0) 3037 etest->flags |= ETH_TEST_FL_FAILED; 3038 etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 3039 } 3040 3041 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false); 3042 3043 /* restore input for TX port IF */ 3044 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val); 3045 rc = bnx2x_nic_load(bp, LOAD_NORMAL); 3046 if (rc) { 3047 etest->flags |= ETH_TEST_FL_FAILED; 3048 DP(BNX2X_MSG_ETHTOOL, 3049 "Can't perform self-test, nic_load (for online) failed\n"); 3050 return; 3051 } 3052 /* wait until link state is restored */ 3053 bnx2x_wait_for_link(bp, link_up, is_serdes); 3054 } 3055 3056 if (bnx2x_test_intr(bp) != 0) { 3057 if (!IS_MF(bp)) 3058 buf[5] = 1; 3059 else 3060 buf[1] = 1; 3061 etest->flags |= ETH_TEST_FL_FAILED; 3062 } 3063 3064 if (link_up) { 3065 cnt = 100; 3066 while (bnx2x_link_test(bp, is_serdes) && --cnt) 3067 msleep(20); 3068 } 3069 3070 if (!cnt) { 3071 if (!IS_MF(bp)) 3072 buf[6] = 1; 3073 else 3074 buf[2] = 1; 3075 etest->flags |= ETH_TEST_FL_FAILED; 3076 } 3077 } 3078 3079 #define IS_PORT_STAT(i) (bnx2x_stats_arr[i].is_port_stat) 3080 #define HIDE_PORT_STAT(bp) IS_VF(bp) 3081 3082 /* ethtool statistics are displayed for all regular ethernet queues and the 3083 * fcoe L2 queue if not disabled 3084 */ 3085 static int bnx2x_num_stat_queues(struct bnx2x *bp) 3086 { 3087 return BNX2X_NUM_ETH_QUEUES(bp); 3088 } 3089 3090 static int bnx2x_get_sset_count(struct net_device *dev, int stringset) 3091 { 3092 struct bnx2x *bp = netdev_priv(dev); 3093 int i, num_strings = 0; 3094 3095 switch (stringset) { 3096 case ETH_SS_STATS: 3097 if (is_multi(bp)) { 3098 num_strings = bnx2x_num_stat_queues(bp) * 3099 BNX2X_NUM_Q_STATS; 3100 } else 3101 num_strings = 0; 3102 if (HIDE_PORT_STAT(bp)) { 3103 for (i = 0; i < BNX2X_NUM_STATS; i++) 3104 if (!IS_PORT_STAT(i)) 3105 num_strings++; 3106 } else 3107 num_strings += BNX2X_NUM_STATS; 3108 3109 return num_strings; 3110 3111 case ETH_SS_TEST: 3112 return BNX2X_NUM_TESTS(bp); 3113 3114 case ETH_SS_PRIV_FLAGS: 3115 return BNX2X_PRI_FLAG_LEN; 3116 3117 default: 3118 return -EINVAL; 3119 } 3120 } 3121 3122 static u32 bnx2x_get_private_flags(struct net_device *dev) 3123 { 3124 struct bnx2x *bp = netdev_priv(dev); 3125 u32 flags = 0; 3126 3127 flags |= (!(bp->flags & NO_ISCSI_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_ISCSI; 3128 flags |= (!(bp->flags & NO_FCOE_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_FCOE; 3129 flags |= (!!IS_MF_STORAGE_ONLY(bp)) << BNX2X_PRI_FLAG_STORAGE; 3130 3131 return flags; 3132 } 3133 3134 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 3135 { 3136 struct bnx2x *bp = netdev_priv(dev); 3137 int i, j, k, start; 3138 char queue_name[MAX_QUEUE_NAME_LEN+1]; 3139 3140 switch (stringset) { 3141 case ETH_SS_STATS: 3142 k = 0; 3143 if (is_multi(bp)) { 3144 for_each_eth_queue(bp, i) { 3145 memset(queue_name, 0, sizeof(queue_name)); 3146 sprintf(queue_name, "%d", i); 3147 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) 3148 snprintf(buf + (k + j)*ETH_GSTRING_LEN, 3149 ETH_GSTRING_LEN, 3150 bnx2x_q_stats_arr[j].string, 3151 queue_name); 3152 k += BNX2X_NUM_Q_STATS; 3153 } 3154 } 3155 3156 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { 3157 if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i)) 3158 continue; 3159 strcpy(buf + (k + j)*ETH_GSTRING_LEN, 3160 bnx2x_stats_arr[i].string); 3161 j++; 3162 } 3163 3164 break; 3165 3166 case ETH_SS_TEST: 3167 /* First 4 tests cannot be done in MF mode */ 3168 if (!IS_MF(bp)) 3169 start = 0; 3170 else 3171 start = 4; 3172 memcpy(buf, bnx2x_tests_str_arr + start, 3173 ETH_GSTRING_LEN * BNX2X_NUM_TESTS(bp)); 3174 break; 3175 3176 case ETH_SS_PRIV_FLAGS: 3177 memcpy(buf, bnx2x_private_arr, 3178 ETH_GSTRING_LEN * BNX2X_PRI_FLAG_LEN); 3179 break; 3180 } 3181 } 3182 3183 static void bnx2x_get_ethtool_stats(struct net_device *dev, 3184 struct ethtool_stats *stats, u64 *buf) 3185 { 3186 struct bnx2x *bp = netdev_priv(dev); 3187 u32 *hw_stats, *offset; 3188 int i, j, k = 0; 3189 3190 if (is_multi(bp)) { 3191 for_each_eth_queue(bp, i) { 3192 hw_stats = (u32 *)&bp->fp_stats[i].eth_q_stats; 3193 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) { 3194 if (bnx2x_q_stats_arr[j].size == 0) { 3195 /* skip this counter */ 3196 buf[k + j] = 0; 3197 continue; 3198 } 3199 offset = (hw_stats + 3200 bnx2x_q_stats_arr[j].offset); 3201 if (bnx2x_q_stats_arr[j].size == 4) { 3202 /* 4-byte counter */ 3203 buf[k + j] = (u64) *offset; 3204 continue; 3205 } 3206 /* 8-byte counter */ 3207 buf[k + j] = HILO_U64(*offset, *(offset + 1)); 3208 } 3209 k += BNX2X_NUM_Q_STATS; 3210 } 3211 } 3212 3213 hw_stats = (u32 *)&bp->eth_stats; 3214 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { 3215 if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i)) 3216 continue; 3217 if (bnx2x_stats_arr[i].size == 0) { 3218 /* skip this counter */ 3219 buf[k + j] = 0; 3220 j++; 3221 continue; 3222 } 3223 offset = (hw_stats + bnx2x_stats_arr[i].offset); 3224 if (bnx2x_stats_arr[i].size == 4) { 3225 /* 4-byte counter */ 3226 buf[k + j] = (u64) *offset; 3227 j++; 3228 continue; 3229 } 3230 /* 8-byte counter */ 3231 buf[k + j] = HILO_U64(*offset, *(offset + 1)); 3232 j++; 3233 } 3234 } 3235 3236 static int bnx2x_set_phys_id(struct net_device *dev, 3237 enum ethtool_phys_id_state state) 3238 { 3239 struct bnx2x *bp = netdev_priv(dev); 3240 3241 if (!bnx2x_is_nvm_accessible(bp)) { 3242 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 3243 "cannot access eeprom when the interface is down\n"); 3244 return -EAGAIN; 3245 } 3246 3247 switch (state) { 3248 case ETHTOOL_ID_ACTIVE: 3249 return 1; /* cycle on/off once per second */ 3250 3251 case ETHTOOL_ID_ON: 3252 bnx2x_acquire_phy_lock(bp); 3253 bnx2x_set_led(&bp->link_params, &bp->link_vars, 3254 LED_MODE_ON, SPEED_1000); 3255 bnx2x_release_phy_lock(bp); 3256 break; 3257 3258 case ETHTOOL_ID_OFF: 3259 bnx2x_acquire_phy_lock(bp); 3260 bnx2x_set_led(&bp->link_params, &bp->link_vars, 3261 LED_MODE_FRONT_PANEL_OFF, 0); 3262 bnx2x_release_phy_lock(bp); 3263 break; 3264 3265 case ETHTOOL_ID_INACTIVE: 3266 bnx2x_acquire_phy_lock(bp); 3267 bnx2x_set_led(&bp->link_params, &bp->link_vars, 3268 LED_MODE_OPER, 3269 bp->link_vars.line_speed); 3270 bnx2x_release_phy_lock(bp); 3271 } 3272 3273 return 0; 3274 } 3275 3276 static int bnx2x_get_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info) 3277 { 3278 switch (info->flow_type) { 3279 case TCP_V4_FLOW: 3280 case TCP_V6_FLOW: 3281 info->data = RXH_IP_SRC | RXH_IP_DST | 3282 RXH_L4_B_0_1 | RXH_L4_B_2_3; 3283 break; 3284 case UDP_V4_FLOW: 3285 if (bp->rss_conf_obj.udp_rss_v4) 3286 info->data = RXH_IP_SRC | RXH_IP_DST | 3287 RXH_L4_B_0_1 | RXH_L4_B_2_3; 3288 else 3289 info->data = RXH_IP_SRC | RXH_IP_DST; 3290 break; 3291 case UDP_V6_FLOW: 3292 if (bp->rss_conf_obj.udp_rss_v6) 3293 info->data = RXH_IP_SRC | RXH_IP_DST | 3294 RXH_L4_B_0_1 | RXH_L4_B_2_3; 3295 else 3296 info->data = RXH_IP_SRC | RXH_IP_DST; 3297 break; 3298 case IPV4_FLOW: 3299 case IPV6_FLOW: 3300 info->data = RXH_IP_SRC | RXH_IP_DST; 3301 break; 3302 default: 3303 info->data = 0; 3304 break; 3305 } 3306 3307 return 0; 3308 } 3309 3310 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 3311 u32 *rules __always_unused) 3312 { 3313 struct bnx2x *bp = netdev_priv(dev); 3314 3315 switch (info->cmd) { 3316 case ETHTOOL_GRXRINGS: 3317 info->data = BNX2X_NUM_ETH_QUEUES(bp); 3318 return 0; 3319 case ETHTOOL_GRXFH: 3320 return bnx2x_get_rss_flags(bp, info); 3321 default: 3322 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 3323 return -EOPNOTSUPP; 3324 } 3325 } 3326 3327 static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info) 3328 { 3329 int udp_rss_requested; 3330 3331 DP(BNX2X_MSG_ETHTOOL, 3332 "Set rss flags command parameters: flow type = %d, data = %llu\n", 3333 info->flow_type, info->data); 3334 3335 switch (info->flow_type) { 3336 case TCP_V4_FLOW: 3337 case TCP_V6_FLOW: 3338 /* For TCP only 4-tupple hash is supported */ 3339 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST | 3340 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 3341 DP(BNX2X_MSG_ETHTOOL, 3342 "Command parameters not supported\n"); 3343 return -EINVAL; 3344 } 3345 return 0; 3346 3347 case UDP_V4_FLOW: 3348 case UDP_V6_FLOW: 3349 /* For UDP either 2-tupple hash or 4-tupple hash is supported */ 3350 if (info->data == (RXH_IP_SRC | RXH_IP_DST | 3351 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 3352 udp_rss_requested = 1; 3353 else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) 3354 udp_rss_requested = 0; 3355 else 3356 return -EINVAL; 3357 3358 if (CHIP_IS_E1x(bp) && udp_rss_requested) { 3359 DP(BNX2X_MSG_ETHTOOL, 3360 "57710, 57711 boards don't support RSS according to UDP 4-tuple\n"); 3361 return -EINVAL; 3362 } 3363 3364 if ((info->flow_type == UDP_V4_FLOW) && 3365 (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) { 3366 bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested; 3367 DP(BNX2X_MSG_ETHTOOL, 3368 "rss re-configured, UDP 4-tupple %s\n", 3369 udp_rss_requested ? "enabled" : "disabled"); 3370 return bnx2x_rss(bp, &bp->rss_conf_obj, false, true); 3371 } else if ((info->flow_type == UDP_V6_FLOW) && 3372 (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) { 3373 bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested; 3374 DP(BNX2X_MSG_ETHTOOL, 3375 "rss re-configured, UDP 4-tupple %s\n", 3376 udp_rss_requested ? "enabled" : "disabled"); 3377 return bnx2x_rss(bp, &bp->rss_conf_obj, false, true); 3378 } 3379 return 0; 3380 3381 case IPV4_FLOW: 3382 case IPV6_FLOW: 3383 /* For IP only 2-tupple hash is supported */ 3384 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) { 3385 DP(BNX2X_MSG_ETHTOOL, 3386 "Command parameters not supported\n"); 3387 return -EINVAL; 3388 } 3389 return 0; 3390 3391 case SCTP_V4_FLOW: 3392 case AH_ESP_V4_FLOW: 3393 case AH_V4_FLOW: 3394 case ESP_V4_FLOW: 3395 case SCTP_V6_FLOW: 3396 case AH_ESP_V6_FLOW: 3397 case AH_V6_FLOW: 3398 case ESP_V6_FLOW: 3399 case IP_USER_FLOW: 3400 case ETHER_FLOW: 3401 /* RSS is not supported for these protocols */ 3402 if (info->data) { 3403 DP(BNX2X_MSG_ETHTOOL, 3404 "Command parameters not supported\n"); 3405 return -EINVAL; 3406 } 3407 return 0; 3408 3409 default: 3410 return -EINVAL; 3411 } 3412 } 3413 3414 static int bnx2x_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info) 3415 { 3416 struct bnx2x *bp = netdev_priv(dev); 3417 3418 switch (info->cmd) { 3419 case ETHTOOL_SRXFH: 3420 return bnx2x_set_rss_flags(bp, info); 3421 default: 3422 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 3423 return -EOPNOTSUPP; 3424 } 3425 } 3426 3427 static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev) 3428 { 3429 return T_ETH_INDIRECTION_TABLE_SIZE; 3430 } 3431 3432 static int bnx2x_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 3433 u8 *hfunc) 3434 { 3435 struct bnx2x *bp = netdev_priv(dev); 3436 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0}; 3437 size_t i; 3438 3439 if (hfunc) 3440 *hfunc = ETH_RSS_HASH_TOP; 3441 if (!indir) 3442 return 0; 3443 3444 /* Get the current configuration of the RSS indirection table */ 3445 bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table); 3446 3447 /* 3448 * We can't use a memcpy() as an internal storage of an 3449 * indirection table is a u8 array while indir->ring_index 3450 * points to an array of u32. 3451 * 3452 * Indirection table contains the FW Client IDs, so we need to 3453 * align the returned table to the Client ID of the leading RSS 3454 * queue. 3455 */ 3456 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) 3457 indir[i] = ind_table[i] - bp->fp->cl_id; 3458 3459 return 0; 3460 } 3461 3462 static int bnx2x_set_rxfh(struct net_device *dev, const u32 *indir, 3463 const u8 *key, const u8 hfunc) 3464 { 3465 struct bnx2x *bp = netdev_priv(dev); 3466 size_t i; 3467 3468 /* We require at least one supported parameter to be changed and no 3469 * change in any of the unsupported parameters 3470 */ 3471 if (key || 3472 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) 3473 return -EOPNOTSUPP; 3474 3475 if (!indir) 3476 return 0; 3477 3478 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) { 3479 /* 3480 * The same as in bnx2x_get_rxfh: we can't use a memcpy() 3481 * as an internal storage of an indirection table is a u8 array 3482 * while indir->ring_index points to an array of u32. 3483 * 3484 * Indirection table contains the FW Client IDs, so we need to 3485 * align the received table to the Client ID of the leading RSS 3486 * queue 3487 */ 3488 bp->rss_conf_obj.ind_table[i] = indir[i] + bp->fp->cl_id; 3489 } 3490 3491 return bnx2x_config_rss_eth(bp, false); 3492 } 3493 3494 /** 3495 * bnx2x_get_channels - gets the number of RSS queues. 3496 * 3497 * @dev: net device 3498 * @channels: returns the number of max / current queues 3499 */ 3500 static void bnx2x_get_channels(struct net_device *dev, 3501 struct ethtool_channels *channels) 3502 { 3503 struct bnx2x *bp = netdev_priv(dev); 3504 3505 channels->max_combined = BNX2X_MAX_RSS_COUNT(bp); 3506 channels->combined_count = BNX2X_NUM_ETH_QUEUES(bp); 3507 } 3508 3509 /** 3510 * bnx2x_change_num_queues - change the number of RSS queues. 3511 * 3512 * @bp: bnx2x private structure 3513 * 3514 * Re-configure interrupt mode to get the new number of MSI-X 3515 * vectors and re-add NAPI objects. 3516 */ 3517 static void bnx2x_change_num_queues(struct bnx2x *bp, int num_rss) 3518 { 3519 bnx2x_disable_msi(bp); 3520 bp->num_ethernet_queues = num_rss; 3521 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues; 3522 BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues); 3523 bnx2x_set_int_mode(bp); 3524 } 3525 3526 /** 3527 * bnx2x_set_channels - sets the number of RSS queues. 3528 * 3529 * @dev: net device 3530 * @channels: includes the number of queues requested 3531 */ 3532 static int bnx2x_set_channels(struct net_device *dev, 3533 struct ethtool_channels *channels) 3534 { 3535 struct bnx2x *bp = netdev_priv(dev); 3536 3537 DP(BNX2X_MSG_ETHTOOL, 3538 "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n", 3539 channels->rx_count, channels->tx_count, channels->other_count, 3540 channels->combined_count); 3541 3542 if (pci_num_vf(bp->pdev)) { 3543 DP(BNX2X_MSG_IOV, "VFs are enabled, can not set channels\n"); 3544 return -EPERM; 3545 } 3546 3547 /* We don't support separate rx / tx channels. 3548 * We don't allow setting 'other' channels. 3549 */ 3550 if (channels->rx_count || channels->tx_count || channels->other_count 3551 || (channels->combined_count == 0) || 3552 (channels->combined_count > BNX2X_MAX_RSS_COUNT(bp))) { 3553 DP(BNX2X_MSG_ETHTOOL, "command parameters not supported\n"); 3554 return -EINVAL; 3555 } 3556 3557 /* Check if there was a change in the active parameters */ 3558 if (channels->combined_count == BNX2X_NUM_ETH_QUEUES(bp)) { 3559 DP(BNX2X_MSG_ETHTOOL, "No change in active parameters\n"); 3560 return 0; 3561 } 3562 3563 /* Set the requested number of queues in bp context. 3564 * Note that the actual number of queues created during load may be 3565 * less than requested if memory is low. 3566 */ 3567 if (unlikely(!netif_running(dev))) { 3568 bnx2x_change_num_queues(bp, channels->combined_count); 3569 return 0; 3570 } 3571 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true); 3572 bnx2x_change_num_queues(bp, channels->combined_count); 3573 return bnx2x_nic_load(bp, LOAD_NORMAL); 3574 } 3575 3576 static int bnx2x_get_ts_info(struct net_device *dev, 3577 struct ethtool_ts_info *info) 3578 { 3579 struct bnx2x *bp = netdev_priv(dev); 3580 3581 if (bp->flags & PTP_SUPPORTED) { 3582 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3583 SOF_TIMESTAMPING_RX_SOFTWARE | 3584 SOF_TIMESTAMPING_SOFTWARE | 3585 SOF_TIMESTAMPING_TX_HARDWARE | 3586 SOF_TIMESTAMPING_RX_HARDWARE | 3587 SOF_TIMESTAMPING_RAW_HARDWARE; 3588 3589 if (bp->ptp_clock) 3590 info->phc_index = ptp_clock_index(bp->ptp_clock); 3591 else 3592 info->phc_index = -1; 3593 3594 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 3595 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 3596 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 3597 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT); 3598 3599 info->tx_types = (1 << HWTSTAMP_TX_OFF)|(1 << HWTSTAMP_TX_ON); 3600 3601 return 0; 3602 } 3603 3604 return ethtool_op_get_ts_info(dev, info); 3605 } 3606 3607 static const struct ethtool_ops bnx2x_ethtool_ops = { 3608 .get_settings = bnx2x_get_settings, 3609 .set_settings = bnx2x_set_settings, 3610 .get_drvinfo = bnx2x_get_drvinfo, 3611 .get_regs_len = bnx2x_get_regs_len, 3612 .get_regs = bnx2x_get_regs, 3613 .get_dump_flag = bnx2x_get_dump_flag, 3614 .get_dump_data = bnx2x_get_dump_data, 3615 .set_dump = bnx2x_set_dump, 3616 .get_wol = bnx2x_get_wol, 3617 .set_wol = bnx2x_set_wol, 3618 .get_msglevel = bnx2x_get_msglevel, 3619 .set_msglevel = bnx2x_set_msglevel, 3620 .nway_reset = bnx2x_nway_reset, 3621 .get_link = bnx2x_get_link, 3622 .get_eeprom_len = bnx2x_get_eeprom_len, 3623 .get_eeprom = bnx2x_get_eeprom, 3624 .set_eeprom = bnx2x_set_eeprom, 3625 .get_coalesce = bnx2x_get_coalesce, 3626 .set_coalesce = bnx2x_set_coalesce, 3627 .get_ringparam = bnx2x_get_ringparam, 3628 .set_ringparam = bnx2x_set_ringparam, 3629 .get_pauseparam = bnx2x_get_pauseparam, 3630 .set_pauseparam = bnx2x_set_pauseparam, 3631 .self_test = bnx2x_self_test, 3632 .get_sset_count = bnx2x_get_sset_count, 3633 .get_priv_flags = bnx2x_get_private_flags, 3634 .get_strings = bnx2x_get_strings, 3635 .set_phys_id = bnx2x_set_phys_id, 3636 .get_ethtool_stats = bnx2x_get_ethtool_stats, 3637 .get_rxnfc = bnx2x_get_rxnfc, 3638 .set_rxnfc = bnx2x_set_rxnfc, 3639 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size, 3640 .get_rxfh = bnx2x_get_rxfh, 3641 .set_rxfh = bnx2x_set_rxfh, 3642 .get_channels = bnx2x_get_channels, 3643 .set_channels = bnx2x_set_channels, 3644 .get_module_info = bnx2x_get_module_info, 3645 .get_module_eeprom = bnx2x_get_module_eeprom, 3646 .get_eee = bnx2x_get_eee, 3647 .set_eee = bnx2x_set_eee, 3648 .get_ts_info = bnx2x_get_ts_info, 3649 }; 3650 3651 static const struct ethtool_ops bnx2x_vf_ethtool_ops = { 3652 .get_settings = bnx2x_get_vf_settings, 3653 .get_drvinfo = bnx2x_get_drvinfo, 3654 .get_msglevel = bnx2x_get_msglevel, 3655 .set_msglevel = bnx2x_set_msglevel, 3656 .get_link = bnx2x_get_link, 3657 .get_coalesce = bnx2x_get_coalesce, 3658 .get_ringparam = bnx2x_get_ringparam, 3659 .set_ringparam = bnx2x_set_ringparam, 3660 .get_sset_count = bnx2x_get_sset_count, 3661 .get_strings = bnx2x_get_strings, 3662 .get_ethtool_stats = bnx2x_get_ethtool_stats, 3663 .get_rxnfc = bnx2x_get_rxnfc, 3664 .set_rxnfc = bnx2x_set_rxnfc, 3665 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size, 3666 .get_rxfh = bnx2x_get_rxfh, 3667 .set_rxfh = bnx2x_set_rxfh, 3668 .get_channels = bnx2x_get_channels, 3669 .set_channels = bnx2x_set_channels, 3670 }; 3671 3672 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev) 3673 { 3674 netdev->ethtool_ops = (IS_PF(bp)) ? 3675 &bnx2x_ethtool_ops : &bnx2x_vf_ethtool_ops; 3676 } 3677