1 /* bnx2x_ethtool.c: Broadcom Everest network driver. 2 * 3 * Copyright (c) 2007-2013 Broadcom Corporation 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation. 8 * 9 * Maintained by: Eilon Greenstein <eilong@broadcom.com> 10 * Written by: Eliezer Tamir 11 * Based on code from Michael Chan's bnx2 driver 12 * UDP CSUM errata workaround by Arik Gendelman 13 * Slowpath and fastpath rework by Vladislav Zolotarov 14 * Statistics and Link management by Yitchak Gertner 15 * 16 */ 17 18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 19 20 #include <linux/ethtool.h> 21 #include <linux/netdevice.h> 22 #include <linux/types.h> 23 #include <linux/sched.h> 24 #include <linux/crc32.h> 25 #include "bnx2x.h" 26 #include "bnx2x_cmn.h" 27 #include "bnx2x_dump.h" 28 #include "bnx2x_init.h" 29 30 /* Note: in the format strings below %s is replaced by the queue-name which is 31 * either its index or 'fcoe' for the fcoe queue. Make sure the format string 32 * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2 33 */ 34 #define MAX_QUEUE_NAME_LEN 4 35 static const struct { 36 long offset; 37 int size; 38 char string[ETH_GSTRING_LEN]; 39 } bnx2x_q_stats_arr[] = { 40 /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" }, 41 { Q_STATS_OFFSET32(total_unicast_packets_received_hi), 42 8, "[%s]: rx_ucast_packets" }, 43 { Q_STATS_OFFSET32(total_multicast_packets_received_hi), 44 8, "[%s]: rx_mcast_packets" }, 45 { Q_STATS_OFFSET32(total_broadcast_packets_received_hi), 46 8, "[%s]: rx_bcast_packets" }, 47 { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%s]: rx_discards" }, 48 { Q_STATS_OFFSET32(rx_err_discard_pkt), 49 4, "[%s]: rx_phy_ip_err_discards"}, 50 { Q_STATS_OFFSET32(rx_skb_alloc_failed), 51 4, "[%s]: rx_skb_alloc_discard" }, 52 { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" }, 53 54 { Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" }, 55 /* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi), 56 8, "[%s]: tx_ucast_packets" }, 57 { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi), 58 8, "[%s]: tx_mcast_packets" }, 59 { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi), 60 8, "[%s]: tx_bcast_packets" }, 61 { Q_STATS_OFFSET32(total_tpa_aggregations_hi), 62 8, "[%s]: tpa_aggregations" }, 63 { Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi), 64 8, "[%s]: tpa_aggregated_frames"}, 65 { Q_STATS_OFFSET32(total_tpa_bytes_hi), 8, "[%s]: tpa_bytes"}, 66 { Q_STATS_OFFSET32(driver_filtered_tx_pkt), 67 4, "[%s]: driver_filtered_tx_pkt" } 68 }; 69 70 #define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr) 71 72 static const struct { 73 long offset; 74 int size; 75 u32 flags; 76 #define STATS_FLAGS_PORT 1 77 #define STATS_FLAGS_FUNC 2 78 #define STATS_FLAGS_BOTH (STATS_FLAGS_FUNC | STATS_FLAGS_PORT) 79 char string[ETH_GSTRING_LEN]; 80 } bnx2x_stats_arr[] = { 81 /* 1 */ { STATS_OFFSET32(total_bytes_received_hi), 82 8, STATS_FLAGS_BOTH, "rx_bytes" }, 83 { STATS_OFFSET32(error_bytes_received_hi), 84 8, STATS_FLAGS_BOTH, "rx_error_bytes" }, 85 { STATS_OFFSET32(total_unicast_packets_received_hi), 86 8, STATS_FLAGS_BOTH, "rx_ucast_packets" }, 87 { STATS_OFFSET32(total_multicast_packets_received_hi), 88 8, STATS_FLAGS_BOTH, "rx_mcast_packets" }, 89 { STATS_OFFSET32(total_broadcast_packets_received_hi), 90 8, STATS_FLAGS_BOTH, "rx_bcast_packets" }, 91 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi), 92 8, STATS_FLAGS_PORT, "rx_crc_errors" }, 93 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi), 94 8, STATS_FLAGS_PORT, "rx_align_errors" }, 95 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi), 96 8, STATS_FLAGS_PORT, "rx_undersize_packets" }, 97 { STATS_OFFSET32(etherstatsoverrsizepkts_hi), 98 8, STATS_FLAGS_PORT, "rx_oversize_packets" }, 99 /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi), 100 8, STATS_FLAGS_PORT, "rx_fragments" }, 101 { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi), 102 8, STATS_FLAGS_PORT, "rx_jabbers" }, 103 { STATS_OFFSET32(no_buff_discard_hi), 104 8, STATS_FLAGS_BOTH, "rx_discards" }, 105 { STATS_OFFSET32(mac_filter_discard), 106 4, STATS_FLAGS_PORT, "rx_filtered_packets" }, 107 { STATS_OFFSET32(mf_tag_discard), 108 4, STATS_FLAGS_PORT, "rx_mf_tag_discard" }, 109 { STATS_OFFSET32(pfc_frames_received_hi), 110 8, STATS_FLAGS_PORT, "pfc_frames_received" }, 111 { STATS_OFFSET32(pfc_frames_sent_hi), 112 8, STATS_FLAGS_PORT, "pfc_frames_sent" }, 113 { STATS_OFFSET32(brb_drop_hi), 114 8, STATS_FLAGS_PORT, "rx_brb_discard" }, 115 { STATS_OFFSET32(brb_truncate_hi), 116 8, STATS_FLAGS_PORT, "rx_brb_truncate" }, 117 { STATS_OFFSET32(pause_frames_received_hi), 118 8, STATS_FLAGS_PORT, "rx_pause_frames" }, 119 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi), 120 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" }, 121 { STATS_OFFSET32(nig_timer_max), 122 4, STATS_FLAGS_PORT, "rx_constant_pause_events" }, 123 /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt), 124 4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"}, 125 { STATS_OFFSET32(rx_skb_alloc_failed), 126 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" }, 127 { STATS_OFFSET32(hw_csum_err), 128 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" }, 129 130 { STATS_OFFSET32(total_bytes_transmitted_hi), 131 8, STATS_FLAGS_BOTH, "tx_bytes" }, 132 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), 133 8, STATS_FLAGS_PORT, "tx_error_bytes" }, 134 { STATS_OFFSET32(total_unicast_packets_transmitted_hi), 135 8, STATS_FLAGS_BOTH, "tx_ucast_packets" }, 136 { STATS_OFFSET32(total_multicast_packets_transmitted_hi), 137 8, STATS_FLAGS_BOTH, "tx_mcast_packets" }, 138 { STATS_OFFSET32(total_broadcast_packets_transmitted_hi), 139 8, STATS_FLAGS_BOTH, "tx_bcast_packets" }, 140 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi), 141 8, STATS_FLAGS_PORT, "tx_mac_errors" }, 142 { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi), 143 8, STATS_FLAGS_PORT, "tx_carrier_errors" }, 144 /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi), 145 8, STATS_FLAGS_PORT, "tx_single_collisions" }, 146 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi), 147 8, STATS_FLAGS_PORT, "tx_multi_collisions" }, 148 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi), 149 8, STATS_FLAGS_PORT, "tx_deferred" }, 150 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi), 151 8, STATS_FLAGS_PORT, "tx_excess_collisions" }, 152 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi), 153 8, STATS_FLAGS_PORT, "tx_late_collisions" }, 154 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi), 155 8, STATS_FLAGS_PORT, "tx_total_collisions" }, 156 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi), 157 8, STATS_FLAGS_PORT, "tx_64_byte_packets" }, 158 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi), 159 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" }, 160 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi), 161 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" }, 162 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi), 163 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" }, 164 /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi), 165 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" }, 166 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi), 167 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" }, 168 { STATS_OFFSET32(etherstatspktsover1522octets_hi), 169 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" }, 170 { STATS_OFFSET32(pause_frames_sent_hi), 171 8, STATS_FLAGS_PORT, "tx_pause_frames" }, 172 { STATS_OFFSET32(total_tpa_aggregations_hi), 173 8, STATS_FLAGS_FUNC, "tpa_aggregations" }, 174 { STATS_OFFSET32(total_tpa_aggregated_frames_hi), 175 8, STATS_FLAGS_FUNC, "tpa_aggregated_frames"}, 176 { STATS_OFFSET32(total_tpa_bytes_hi), 177 8, STATS_FLAGS_FUNC, "tpa_bytes"}, 178 { STATS_OFFSET32(recoverable_error), 179 4, STATS_FLAGS_FUNC, "recoverable_errors" }, 180 { STATS_OFFSET32(unrecoverable_error), 181 4, STATS_FLAGS_FUNC, "unrecoverable_errors" }, 182 { STATS_OFFSET32(driver_filtered_tx_pkt), 183 4, STATS_FLAGS_FUNC, "driver_filtered_tx_pkt" }, 184 { STATS_OFFSET32(eee_tx_lpi), 185 4, STATS_FLAGS_PORT, "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_settings(struct net_device *dev, struct ethtool_cmd *cmd) 220 { 221 struct bnx2x *bp = netdev_priv(dev); 222 int cfg_idx = bnx2x_get_link_cfg_idx(bp); 223 224 /* Dual Media boards present all available port types */ 225 cmd->supported = bp->port.supported[cfg_idx] | 226 (bp->port.supported[cfg_idx ^ 1] & 227 (SUPPORTED_TP | SUPPORTED_FIBRE)); 228 cmd->advertising = bp->port.advertising[cfg_idx]; 229 if (bp->link_params.phy[bnx2x_get_cur_phy_idx(bp)].media_type == 230 ETH_PHY_SFP_1G_FIBER) { 231 cmd->supported &= ~(SUPPORTED_10000baseT_Full); 232 cmd->advertising &= ~(ADVERTISED_10000baseT_Full); 233 } 234 235 if ((bp->state == BNX2X_STATE_OPEN) && bp->link_vars.link_up && 236 !(bp->flags & MF_FUNC_DIS)) { 237 cmd->duplex = bp->link_vars.duplex; 238 239 if (IS_MF(bp) && !BP_NOMCP(bp)) 240 ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp)); 241 else 242 ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed); 243 } else { 244 cmd->duplex = DUPLEX_UNKNOWN; 245 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN); 246 } 247 248 cmd->port = bnx2x_get_port_type(bp); 249 250 cmd->phy_address = bp->mdio.prtad; 251 cmd->transceiver = XCVR_INTERNAL; 252 253 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) 254 cmd->autoneg = AUTONEG_ENABLE; 255 else 256 cmd->autoneg = AUTONEG_DISABLE; 257 258 /* Publish LP advertised speeds and FC */ 259 if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 260 u32 status = bp->link_vars.link_status; 261 262 cmd->lp_advertising |= ADVERTISED_Autoneg; 263 if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE) 264 cmd->lp_advertising |= ADVERTISED_Pause; 265 if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE) 266 cmd->lp_advertising |= ADVERTISED_Asym_Pause; 267 268 if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE) 269 cmd->lp_advertising |= ADVERTISED_10baseT_Half; 270 if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE) 271 cmd->lp_advertising |= ADVERTISED_10baseT_Full; 272 if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE) 273 cmd->lp_advertising |= ADVERTISED_100baseT_Half; 274 if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE) 275 cmd->lp_advertising |= ADVERTISED_100baseT_Full; 276 if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) 277 cmd->lp_advertising |= ADVERTISED_1000baseT_Half; 278 if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) 279 cmd->lp_advertising |= ADVERTISED_1000baseT_Full; 280 if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE) 281 cmd->lp_advertising |= ADVERTISED_2500baseX_Full; 282 if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE) 283 cmd->lp_advertising |= ADVERTISED_10000baseT_Full; 284 if (status & LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE) 285 cmd->lp_advertising |= ADVERTISED_20000baseKR2_Full; 286 } 287 288 cmd->maxtxpkt = 0; 289 cmd->maxrxpkt = 0; 290 291 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n" 292 " supported 0x%x advertising 0x%x speed %u\n" 293 " duplex %d port %d phy_address %d transceiver %d\n" 294 " autoneg %d maxtxpkt %d maxrxpkt %d\n", 295 cmd->cmd, cmd->supported, cmd->advertising, 296 ethtool_cmd_speed(cmd), 297 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, 298 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); 299 300 return 0; 301 } 302 303 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 304 { 305 struct bnx2x *bp = netdev_priv(dev); 306 u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config; 307 u32 speed, phy_idx; 308 309 if (IS_MF_SD(bp)) 310 return 0; 311 312 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n" 313 " supported 0x%x advertising 0x%x speed %u\n" 314 " duplex %d port %d phy_address %d transceiver %d\n" 315 " autoneg %d maxtxpkt %d maxrxpkt %d\n", 316 cmd->cmd, cmd->supported, cmd->advertising, 317 ethtool_cmd_speed(cmd), 318 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, 319 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); 320 321 speed = ethtool_cmd_speed(cmd); 322 323 /* If received a request for an unknown duplex, assume full*/ 324 if (cmd->duplex == DUPLEX_UNKNOWN) 325 cmd->duplex = DUPLEX_FULL; 326 327 if (IS_MF_SI(bp)) { 328 u32 part; 329 u32 line_speed = bp->link_vars.line_speed; 330 331 /* use 10G if no link detected */ 332 if (!line_speed) 333 line_speed = 10000; 334 335 if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) { 336 DP(BNX2X_MSG_ETHTOOL, 337 "To set speed BC %X or higher is required, please upgrade BC\n", 338 REQ_BC_VER_4_SET_MF_BW); 339 return -EINVAL; 340 } 341 342 part = (speed * 100) / line_speed; 343 344 if (line_speed < speed || !part) { 345 DP(BNX2X_MSG_ETHTOOL, 346 "Speed setting should be in a range from 1%% to 100%% of actual line speed\n"); 347 return -EINVAL; 348 } 349 350 if (bp->state != BNX2X_STATE_OPEN) 351 /* store value for following "load" */ 352 bp->pending_max = part; 353 else 354 bnx2x_update_max_mf_config(bp, part); 355 356 return 0; 357 } 358 359 cfg_idx = bnx2x_get_link_cfg_idx(bp); 360 old_multi_phy_config = bp->link_params.multi_phy_config; 361 switch (cmd->port) { 362 case PORT_TP: 363 if (bp->port.supported[cfg_idx] & SUPPORTED_TP) 364 break; /* no port change */ 365 366 if (!(bp->port.supported[0] & SUPPORTED_TP || 367 bp->port.supported[1] & SUPPORTED_TP)) { 368 DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n"); 369 return -EINVAL; 370 } 371 bp->link_params.multi_phy_config &= 372 ~PORT_HW_CFG_PHY_SELECTION_MASK; 373 if (bp->link_params.multi_phy_config & 374 PORT_HW_CFG_PHY_SWAPPED_ENABLED) 375 bp->link_params.multi_phy_config |= 376 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 377 else 378 bp->link_params.multi_phy_config |= 379 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 380 break; 381 case PORT_FIBRE: 382 case PORT_DA: 383 if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE) 384 break; /* no port change */ 385 386 if (!(bp->port.supported[0] & SUPPORTED_FIBRE || 387 bp->port.supported[1] & SUPPORTED_FIBRE)) { 388 DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n"); 389 return -EINVAL; 390 } 391 bp->link_params.multi_phy_config &= 392 ~PORT_HW_CFG_PHY_SELECTION_MASK; 393 if (bp->link_params.multi_phy_config & 394 PORT_HW_CFG_PHY_SWAPPED_ENABLED) 395 bp->link_params.multi_phy_config |= 396 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 397 else 398 bp->link_params.multi_phy_config |= 399 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 400 break; 401 default: 402 DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n"); 403 return -EINVAL; 404 } 405 /* Save new config in case command complete successfully */ 406 new_multi_phy_config = bp->link_params.multi_phy_config; 407 /* Get the new cfg_idx */ 408 cfg_idx = bnx2x_get_link_cfg_idx(bp); 409 /* Restore old config in case command failed */ 410 bp->link_params.multi_phy_config = old_multi_phy_config; 411 DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx); 412 413 if (cmd->autoneg == AUTONEG_ENABLE) { 414 u32 an_supported_speed = bp->port.supported[cfg_idx]; 415 if (bp->link_params.phy[EXT_PHY1].type == 416 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) 417 an_supported_speed |= (SUPPORTED_100baseT_Half | 418 SUPPORTED_100baseT_Full); 419 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) { 420 DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n"); 421 return -EINVAL; 422 } 423 424 /* advertise the requested speed and duplex if supported */ 425 if (cmd->advertising & ~an_supported_speed) { 426 DP(BNX2X_MSG_ETHTOOL, 427 "Advertisement parameters are not supported\n"); 428 return -EINVAL; 429 } 430 431 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG; 432 bp->link_params.req_duplex[cfg_idx] = cmd->duplex; 433 bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg | 434 cmd->advertising); 435 if (cmd->advertising) { 436 437 bp->link_params.speed_cap_mask[cfg_idx] = 0; 438 if (cmd->advertising & ADVERTISED_10baseT_Half) { 439 bp->link_params.speed_cap_mask[cfg_idx] |= 440 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF; 441 } 442 if (cmd->advertising & ADVERTISED_10baseT_Full) 443 bp->link_params.speed_cap_mask[cfg_idx] |= 444 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL; 445 446 if (cmd->advertising & ADVERTISED_100baseT_Full) 447 bp->link_params.speed_cap_mask[cfg_idx] |= 448 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL; 449 450 if (cmd->advertising & ADVERTISED_100baseT_Half) { 451 bp->link_params.speed_cap_mask[cfg_idx] |= 452 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF; 453 } 454 if (cmd->advertising & ADVERTISED_1000baseT_Half) { 455 bp->link_params.speed_cap_mask[cfg_idx] |= 456 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; 457 } 458 if (cmd->advertising & (ADVERTISED_1000baseT_Full | 459 ADVERTISED_1000baseKX_Full)) 460 bp->link_params.speed_cap_mask[cfg_idx] |= 461 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; 462 463 if (cmd->advertising & (ADVERTISED_10000baseT_Full | 464 ADVERTISED_10000baseKX4_Full | 465 ADVERTISED_10000baseKR_Full)) 466 bp->link_params.speed_cap_mask[cfg_idx] |= 467 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G; 468 469 if (cmd->advertising & ADVERTISED_20000baseKR2_Full) 470 bp->link_params.speed_cap_mask[cfg_idx] |= 471 PORT_HW_CFG_SPEED_CAPABILITY_D0_20G; 472 } 473 } else { /* forced speed */ 474 /* advertise the requested speed and duplex if supported */ 475 switch (speed) { 476 case SPEED_10: 477 if (cmd->duplex == DUPLEX_FULL) { 478 if (!(bp->port.supported[cfg_idx] & 479 SUPPORTED_10baseT_Full)) { 480 DP(BNX2X_MSG_ETHTOOL, 481 "10M full not supported\n"); 482 return -EINVAL; 483 } 484 485 advertising = (ADVERTISED_10baseT_Full | 486 ADVERTISED_TP); 487 } else { 488 if (!(bp->port.supported[cfg_idx] & 489 SUPPORTED_10baseT_Half)) { 490 DP(BNX2X_MSG_ETHTOOL, 491 "10M half not supported\n"); 492 return -EINVAL; 493 } 494 495 advertising = (ADVERTISED_10baseT_Half | 496 ADVERTISED_TP); 497 } 498 break; 499 500 case SPEED_100: 501 if (cmd->duplex == DUPLEX_FULL) { 502 if (!(bp->port.supported[cfg_idx] & 503 SUPPORTED_100baseT_Full)) { 504 DP(BNX2X_MSG_ETHTOOL, 505 "100M full not supported\n"); 506 return -EINVAL; 507 } 508 509 advertising = (ADVERTISED_100baseT_Full | 510 ADVERTISED_TP); 511 } else { 512 if (!(bp->port.supported[cfg_idx] & 513 SUPPORTED_100baseT_Half)) { 514 DP(BNX2X_MSG_ETHTOOL, 515 "100M half not supported\n"); 516 return -EINVAL; 517 } 518 519 advertising = (ADVERTISED_100baseT_Half | 520 ADVERTISED_TP); 521 } 522 break; 523 524 case SPEED_1000: 525 if (cmd->duplex != DUPLEX_FULL) { 526 DP(BNX2X_MSG_ETHTOOL, 527 "1G half not supported\n"); 528 return -EINVAL; 529 } 530 531 if (!(bp->port.supported[cfg_idx] & 532 SUPPORTED_1000baseT_Full)) { 533 DP(BNX2X_MSG_ETHTOOL, 534 "1G full not supported\n"); 535 return -EINVAL; 536 } 537 538 advertising = (ADVERTISED_1000baseT_Full | 539 ADVERTISED_TP); 540 break; 541 542 case SPEED_2500: 543 if (cmd->duplex != DUPLEX_FULL) { 544 DP(BNX2X_MSG_ETHTOOL, 545 "2.5G half not supported\n"); 546 return -EINVAL; 547 } 548 549 if (!(bp->port.supported[cfg_idx] 550 & SUPPORTED_2500baseX_Full)) { 551 DP(BNX2X_MSG_ETHTOOL, 552 "2.5G full not supported\n"); 553 return -EINVAL; 554 } 555 556 advertising = (ADVERTISED_2500baseX_Full | 557 ADVERTISED_TP); 558 break; 559 560 case SPEED_10000: 561 if (cmd->duplex != DUPLEX_FULL) { 562 DP(BNX2X_MSG_ETHTOOL, 563 "10G half not supported\n"); 564 return -EINVAL; 565 } 566 phy_idx = bnx2x_get_cur_phy_idx(bp); 567 if (!(bp->port.supported[cfg_idx] 568 & SUPPORTED_10000baseT_Full) || 569 (bp->link_params.phy[phy_idx].media_type == 570 ETH_PHY_SFP_1G_FIBER)) { 571 DP(BNX2X_MSG_ETHTOOL, 572 "10G full not supported\n"); 573 return -EINVAL; 574 } 575 576 advertising = (ADVERTISED_10000baseT_Full | 577 ADVERTISED_FIBRE); 578 break; 579 580 default: 581 DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed); 582 return -EINVAL; 583 } 584 585 bp->link_params.req_line_speed[cfg_idx] = speed; 586 bp->link_params.req_duplex[cfg_idx] = cmd->duplex; 587 bp->port.advertising[cfg_idx] = advertising; 588 } 589 590 DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n" 591 " req_duplex %d advertising 0x%x\n", 592 bp->link_params.req_line_speed[cfg_idx], 593 bp->link_params.req_duplex[cfg_idx], 594 bp->port.advertising[cfg_idx]); 595 596 /* Set new config */ 597 bp->link_params.multi_phy_config = new_multi_phy_config; 598 if (netif_running(dev)) { 599 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 600 bnx2x_link_set(bp); 601 } 602 603 return 0; 604 } 605 606 #define DUMP_ALL_PRESETS 0x1FFF 607 #define DUMP_MAX_PRESETS 13 608 609 static int __bnx2x_get_preset_regs_len(struct bnx2x *bp, u32 preset) 610 { 611 if (CHIP_IS_E1(bp)) 612 return dump_num_registers[0][preset-1]; 613 else if (CHIP_IS_E1H(bp)) 614 return dump_num_registers[1][preset-1]; 615 else if (CHIP_IS_E2(bp)) 616 return dump_num_registers[2][preset-1]; 617 else if (CHIP_IS_E3A0(bp)) 618 return dump_num_registers[3][preset-1]; 619 else if (CHIP_IS_E3B0(bp)) 620 return dump_num_registers[4][preset-1]; 621 else 622 return 0; 623 } 624 625 static int __bnx2x_get_regs_len(struct bnx2x *bp) 626 { 627 u32 preset_idx; 628 int regdump_len = 0; 629 630 /* Calculate the total preset regs length */ 631 for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) 632 regdump_len += __bnx2x_get_preset_regs_len(bp, preset_idx); 633 634 return regdump_len; 635 } 636 637 static int bnx2x_get_regs_len(struct net_device *dev) 638 { 639 struct bnx2x *bp = netdev_priv(dev); 640 int regdump_len = 0; 641 642 if (IS_VF(bp)) 643 return 0; 644 645 regdump_len = __bnx2x_get_regs_len(bp); 646 regdump_len *= 4; 647 regdump_len += sizeof(struct dump_header); 648 649 return regdump_len; 650 } 651 652 #define IS_E1_REG(chips) ((chips & DUMP_CHIP_E1) == DUMP_CHIP_E1) 653 #define IS_E1H_REG(chips) ((chips & DUMP_CHIP_E1H) == DUMP_CHIP_E1H) 654 #define IS_E2_REG(chips) ((chips & DUMP_CHIP_E2) == DUMP_CHIP_E2) 655 #define IS_E3A0_REG(chips) ((chips & DUMP_CHIP_E3A0) == DUMP_CHIP_E3A0) 656 #define IS_E3B0_REG(chips) ((chips & DUMP_CHIP_E3B0) == DUMP_CHIP_E3B0) 657 658 #define IS_REG_IN_PRESET(presets, idx) \ 659 ((presets & (1 << (idx-1))) == (1 << (idx-1))) 660 661 /******* Paged registers info selectors ********/ 662 static const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp) 663 { 664 if (CHIP_IS_E2(bp)) 665 return page_vals_e2; 666 else if (CHIP_IS_E3(bp)) 667 return page_vals_e3; 668 else 669 return NULL; 670 } 671 672 static u32 __bnx2x_get_page_reg_num(struct bnx2x *bp) 673 { 674 if (CHIP_IS_E2(bp)) 675 return PAGE_MODE_VALUES_E2; 676 else if (CHIP_IS_E3(bp)) 677 return PAGE_MODE_VALUES_E3; 678 else 679 return 0; 680 } 681 682 static const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp) 683 { 684 if (CHIP_IS_E2(bp)) 685 return page_write_regs_e2; 686 else if (CHIP_IS_E3(bp)) 687 return page_write_regs_e3; 688 else 689 return NULL; 690 } 691 692 static u32 __bnx2x_get_page_write_num(struct bnx2x *bp) 693 { 694 if (CHIP_IS_E2(bp)) 695 return PAGE_WRITE_REGS_E2; 696 else if (CHIP_IS_E3(bp)) 697 return PAGE_WRITE_REGS_E3; 698 else 699 return 0; 700 } 701 702 static const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp) 703 { 704 if (CHIP_IS_E2(bp)) 705 return page_read_regs_e2; 706 else if (CHIP_IS_E3(bp)) 707 return page_read_regs_e3; 708 else 709 return NULL; 710 } 711 712 static u32 __bnx2x_get_page_read_num(struct bnx2x *bp) 713 { 714 if (CHIP_IS_E2(bp)) 715 return PAGE_READ_REGS_E2; 716 else if (CHIP_IS_E3(bp)) 717 return PAGE_READ_REGS_E3; 718 else 719 return 0; 720 } 721 722 static bool bnx2x_is_reg_in_chip(struct bnx2x *bp, 723 const struct reg_addr *reg_info) 724 { 725 if (CHIP_IS_E1(bp)) 726 return IS_E1_REG(reg_info->chips); 727 else if (CHIP_IS_E1H(bp)) 728 return IS_E1H_REG(reg_info->chips); 729 else if (CHIP_IS_E2(bp)) 730 return IS_E2_REG(reg_info->chips); 731 else if (CHIP_IS_E3A0(bp)) 732 return IS_E3A0_REG(reg_info->chips); 733 else if (CHIP_IS_E3B0(bp)) 734 return IS_E3B0_REG(reg_info->chips); 735 else 736 return false; 737 } 738 739 static bool bnx2x_is_wreg_in_chip(struct bnx2x *bp, 740 const struct wreg_addr *wreg_info) 741 { 742 if (CHIP_IS_E1(bp)) 743 return IS_E1_REG(wreg_info->chips); 744 else if (CHIP_IS_E1H(bp)) 745 return IS_E1H_REG(wreg_info->chips); 746 else if (CHIP_IS_E2(bp)) 747 return IS_E2_REG(wreg_info->chips); 748 else if (CHIP_IS_E3A0(bp)) 749 return IS_E3A0_REG(wreg_info->chips); 750 else if (CHIP_IS_E3B0(bp)) 751 return IS_E3B0_REG(wreg_info->chips); 752 else 753 return false; 754 } 755 756 /** 757 * bnx2x_read_pages_regs - read "paged" registers 758 * 759 * @bp device handle 760 * @p output buffer 761 * 762 * Reads "paged" memories: memories that may only be read by first writing to a 763 * specific address ("write address") and then reading from a specific address 764 * ("read address"). There may be more than one write address per "page" and 765 * more than one read address per write address. 766 */ 767 static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p, u32 preset) 768 { 769 u32 i, j, k, n; 770 771 /* addresses of the paged registers */ 772 const u32 *page_addr = __bnx2x_get_page_addr_ar(bp); 773 /* number of paged registers */ 774 int num_pages = __bnx2x_get_page_reg_num(bp); 775 /* write addresses */ 776 const u32 *write_addr = __bnx2x_get_page_write_ar(bp); 777 /* number of write addresses */ 778 int write_num = __bnx2x_get_page_write_num(bp); 779 /* read addresses info */ 780 const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp); 781 /* number of read addresses */ 782 int read_num = __bnx2x_get_page_read_num(bp); 783 u32 addr, size; 784 785 for (i = 0; i < num_pages; i++) { 786 for (j = 0; j < write_num; j++) { 787 REG_WR(bp, write_addr[j], page_addr[i]); 788 789 for (k = 0; k < read_num; k++) { 790 if (IS_REG_IN_PRESET(read_addr[k].presets, 791 preset)) { 792 size = read_addr[k].size; 793 for (n = 0; n < size; n++) { 794 addr = read_addr[k].addr + n*4; 795 *p++ = REG_RD(bp, addr); 796 } 797 } 798 } 799 } 800 } 801 } 802 803 static int __bnx2x_get_preset_regs(struct bnx2x *bp, u32 *p, u32 preset) 804 { 805 u32 i, j, addr; 806 const struct wreg_addr *wreg_addr_p = NULL; 807 808 if (CHIP_IS_E1(bp)) 809 wreg_addr_p = &wreg_addr_e1; 810 else if (CHIP_IS_E1H(bp)) 811 wreg_addr_p = &wreg_addr_e1h; 812 else if (CHIP_IS_E2(bp)) 813 wreg_addr_p = &wreg_addr_e2; 814 else if (CHIP_IS_E3A0(bp)) 815 wreg_addr_p = &wreg_addr_e3; 816 else if (CHIP_IS_E3B0(bp)) 817 wreg_addr_p = &wreg_addr_e3b0; 818 819 /* Read the idle_chk registers */ 820 for (i = 0; i < IDLE_REGS_COUNT; i++) { 821 if (bnx2x_is_reg_in_chip(bp, &idle_reg_addrs[i]) && 822 IS_REG_IN_PRESET(idle_reg_addrs[i].presets, preset)) { 823 for (j = 0; j < idle_reg_addrs[i].size; j++) 824 *p++ = REG_RD(bp, idle_reg_addrs[i].addr + j*4); 825 } 826 } 827 828 /* Read the regular registers */ 829 for (i = 0; i < REGS_COUNT; i++) { 830 if (bnx2x_is_reg_in_chip(bp, ®_addrs[i]) && 831 IS_REG_IN_PRESET(reg_addrs[i].presets, preset)) { 832 for (j = 0; j < reg_addrs[i].size; j++) 833 *p++ = REG_RD(bp, reg_addrs[i].addr + j*4); 834 } 835 } 836 837 /* Read the CAM registers */ 838 if (bnx2x_is_wreg_in_chip(bp, wreg_addr_p) && 839 IS_REG_IN_PRESET(wreg_addr_p->presets, preset)) { 840 for (i = 0; i < wreg_addr_p->size; i++) { 841 *p++ = REG_RD(bp, wreg_addr_p->addr + i*4); 842 843 /* In case of wreg_addr register, read additional 844 registers from read_regs array 845 */ 846 for (j = 0; j < wreg_addr_p->read_regs_count; j++) { 847 addr = *(wreg_addr_p->read_regs); 848 *p++ = REG_RD(bp, addr + j*4); 849 } 850 } 851 } 852 853 /* Paged registers are supported in E2 & E3 only */ 854 if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) { 855 /* Read "paged" registers */ 856 bnx2x_read_pages_regs(bp, p, preset); 857 } 858 859 return 0; 860 } 861 862 static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p) 863 { 864 u32 preset_idx; 865 866 /* Read all registers, by reading all preset registers */ 867 for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) { 868 /* Skip presets with IOR */ 869 if ((preset_idx == 2) || 870 (preset_idx == 5) || 871 (preset_idx == 8) || 872 (preset_idx == 11)) 873 continue; 874 __bnx2x_get_preset_regs(bp, p, preset_idx); 875 p += __bnx2x_get_preset_regs_len(bp, preset_idx); 876 } 877 } 878 879 static void bnx2x_get_regs(struct net_device *dev, 880 struct ethtool_regs *regs, void *_p) 881 { 882 u32 *p = _p; 883 struct bnx2x *bp = netdev_priv(dev); 884 struct dump_header dump_hdr = {0}; 885 886 regs->version = 2; 887 memset(p, 0, regs->len); 888 889 if (!netif_running(bp->dev)) 890 return; 891 892 /* Disable parity attentions as long as following dump may 893 * cause false alarms by reading never written registers. We 894 * will re-enable parity attentions right after the dump. 895 */ 896 897 bnx2x_disable_blocks_parity(bp); 898 899 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1; 900 dump_hdr.preset = DUMP_ALL_PRESETS; 901 dump_hdr.version = BNX2X_DUMP_VERSION; 902 903 /* dump_meta_data presents OR of CHIP and PATH. */ 904 if (CHIP_IS_E1(bp)) { 905 dump_hdr.dump_meta_data = DUMP_CHIP_E1; 906 } else if (CHIP_IS_E1H(bp)) { 907 dump_hdr.dump_meta_data = DUMP_CHIP_E1H; 908 } else if (CHIP_IS_E2(bp)) { 909 dump_hdr.dump_meta_data = DUMP_CHIP_E2 | 910 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 911 } else if (CHIP_IS_E3A0(bp)) { 912 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 | 913 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 914 } else if (CHIP_IS_E3B0(bp)) { 915 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 | 916 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 917 } 918 919 memcpy(p, &dump_hdr, sizeof(struct dump_header)); 920 p += dump_hdr.header_size + 1; 921 922 /* Actually read the registers */ 923 __bnx2x_get_regs(bp, p); 924 925 /* Re-enable parity attentions */ 926 bnx2x_clear_blocks_parity(bp); 927 bnx2x_enable_blocks_parity(bp); 928 } 929 930 static int bnx2x_get_preset_regs_len(struct net_device *dev, u32 preset) 931 { 932 struct bnx2x *bp = netdev_priv(dev); 933 int regdump_len = 0; 934 935 regdump_len = __bnx2x_get_preset_regs_len(bp, preset); 936 regdump_len *= 4; 937 regdump_len += sizeof(struct dump_header); 938 939 return regdump_len; 940 } 941 942 static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val) 943 { 944 struct bnx2x *bp = netdev_priv(dev); 945 946 /* Use the ethtool_dump "flag" field as the dump preset index */ 947 if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS) 948 return -EINVAL; 949 950 bp->dump_preset_idx = val->flag; 951 return 0; 952 } 953 954 static int bnx2x_get_dump_flag(struct net_device *dev, 955 struct ethtool_dump *dump) 956 { 957 struct bnx2x *bp = netdev_priv(dev); 958 959 dump->version = BNX2X_DUMP_VERSION; 960 dump->flag = bp->dump_preset_idx; 961 /* Calculate the requested preset idx length */ 962 dump->len = bnx2x_get_preset_regs_len(dev, bp->dump_preset_idx); 963 DP(BNX2X_MSG_ETHTOOL, "Get dump preset %d length=%d\n", 964 bp->dump_preset_idx, dump->len); 965 return 0; 966 } 967 968 static int bnx2x_get_dump_data(struct net_device *dev, 969 struct ethtool_dump *dump, 970 void *buffer) 971 { 972 u32 *p = buffer; 973 struct bnx2x *bp = netdev_priv(dev); 974 struct dump_header dump_hdr = {0}; 975 976 /* Disable parity attentions as long as following dump may 977 * cause false alarms by reading never written registers. We 978 * will re-enable parity attentions right after the dump. 979 */ 980 981 bnx2x_disable_blocks_parity(bp); 982 983 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1; 984 dump_hdr.preset = bp->dump_preset_idx; 985 dump_hdr.version = BNX2X_DUMP_VERSION; 986 987 DP(BNX2X_MSG_ETHTOOL, "Get dump data of preset %d\n", dump_hdr.preset); 988 989 /* dump_meta_data presents OR of CHIP and PATH. */ 990 if (CHIP_IS_E1(bp)) { 991 dump_hdr.dump_meta_data = DUMP_CHIP_E1; 992 } else if (CHIP_IS_E1H(bp)) { 993 dump_hdr.dump_meta_data = DUMP_CHIP_E1H; 994 } else if (CHIP_IS_E2(bp)) { 995 dump_hdr.dump_meta_data = DUMP_CHIP_E2 | 996 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 997 } else if (CHIP_IS_E3A0(bp)) { 998 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 | 999 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 1000 } else if (CHIP_IS_E3B0(bp)) { 1001 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 | 1002 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0); 1003 } 1004 1005 memcpy(p, &dump_hdr, sizeof(struct dump_header)); 1006 p += dump_hdr.header_size + 1; 1007 1008 /* Actually read the registers */ 1009 __bnx2x_get_preset_regs(bp, p, dump_hdr.preset); 1010 1011 /* Re-enable parity attentions */ 1012 bnx2x_clear_blocks_parity(bp); 1013 bnx2x_enable_blocks_parity(bp); 1014 1015 return 0; 1016 } 1017 1018 static void bnx2x_get_drvinfo(struct net_device *dev, 1019 struct ethtool_drvinfo *info) 1020 { 1021 struct bnx2x *bp = netdev_priv(dev); 1022 1023 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 1024 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 1025 1026 bnx2x_fill_fw_str(bp, info->fw_version, sizeof(info->fw_version)); 1027 1028 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 1029 info->n_stats = BNX2X_NUM_STATS; 1030 info->testinfo_len = BNX2X_NUM_TESTS(bp); 1031 info->eedump_len = bp->common.flash_size; 1032 info->regdump_len = bnx2x_get_regs_len(dev); 1033 } 1034 1035 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 1036 { 1037 struct bnx2x *bp = netdev_priv(dev); 1038 1039 if (bp->flags & NO_WOL_FLAG) { 1040 wol->supported = 0; 1041 wol->wolopts = 0; 1042 } else { 1043 wol->supported = WAKE_MAGIC; 1044 if (bp->wol) 1045 wol->wolopts = WAKE_MAGIC; 1046 else 1047 wol->wolopts = 0; 1048 } 1049 memset(&wol->sopass, 0, sizeof(wol->sopass)); 1050 } 1051 1052 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 1053 { 1054 struct bnx2x *bp = netdev_priv(dev); 1055 1056 if (wol->wolopts & ~WAKE_MAGIC) { 1057 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n"); 1058 return -EINVAL; 1059 } 1060 1061 if (wol->wolopts & WAKE_MAGIC) { 1062 if (bp->flags & NO_WOL_FLAG) { 1063 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n"); 1064 return -EINVAL; 1065 } 1066 bp->wol = 1; 1067 } else 1068 bp->wol = 0; 1069 1070 return 0; 1071 } 1072 1073 static u32 bnx2x_get_msglevel(struct net_device *dev) 1074 { 1075 struct bnx2x *bp = netdev_priv(dev); 1076 1077 return bp->msg_enable; 1078 } 1079 1080 static void bnx2x_set_msglevel(struct net_device *dev, u32 level) 1081 { 1082 struct bnx2x *bp = netdev_priv(dev); 1083 1084 if (capable(CAP_NET_ADMIN)) { 1085 /* dump MCP trace */ 1086 if (IS_PF(bp) && (level & BNX2X_MSG_MCP)) 1087 bnx2x_fw_dump_lvl(bp, KERN_INFO); 1088 bp->msg_enable = level; 1089 } 1090 } 1091 1092 static int bnx2x_nway_reset(struct net_device *dev) 1093 { 1094 struct bnx2x *bp = netdev_priv(dev); 1095 1096 if (!bp->port.pmf) 1097 return 0; 1098 1099 if (netif_running(dev)) { 1100 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 1101 bnx2x_force_link_reset(bp); 1102 bnx2x_link_set(bp); 1103 } 1104 1105 return 0; 1106 } 1107 1108 static u32 bnx2x_get_link(struct net_device *dev) 1109 { 1110 struct bnx2x *bp = netdev_priv(dev); 1111 1112 if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN)) 1113 return 0; 1114 1115 return bp->link_vars.link_up; 1116 } 1117 1118 static int bnx2x_get_eeprom_len(struct net_device *dev) 1119 { 1120 struct bnx2x *bp = netdev_priv(dev); 1121 1122 return bp->common.flash_size; 1123 } 1124 1125 /* Per pf misc lock must be acquired before the per port mcp lock. Otherwise, 1126 * had we done things the other way around, if two pfs from the same port would 1127 * attempt to access nvram at the same time, we could run into a scenario such 1128 * as: 1129 * pf A takes the port lock. 1130 * pf B succeeds in taking the same lock since they are from the same port. 1131 * pf A takes the per pf misc lock. Performs eeprom access. 1132 * pf A finishes. Unlocks the per pf misc lock. 1133 * Pf B takes the lock and proceeds to perform it's own access. 1134 * pf A unlocks the per port lock, while pf B is still working (!). 1135 * mcp takes the per port lock and corrupts pf B's access (and/or has it's own 1136 * access corrupted by pf B) 1137 */ 1138 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp) 1139 { 1140 int port = BP_PORT(bp); 1141 int count, i; 1142 u32 val; 1143 1144 /* acquire HW lock: protect against other PFs in PF Direct Assignment */ 1145 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM); 1146 1147 /* adjust timeout for emulation/FPGA */ 1148 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1149 if (CHIP_REV_IS_SLOW(bp)) 1150 count *= 100; 1151 1152 /* request access to nvram interface */ 1153 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, 1154 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port)); 1155 1156 for (i = 0; i < count*10; i++) { 1157 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); 1158 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) 1159 break; 1160 1161 udelay(5); 1162 } 1163 1164 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) { 1165 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1166 "cannot get access to nvram interface\n"); 1167 return -EBUSY; 1168 } 1169 1170 return 0; 1171 } 1172 1173 static int bnx2x_release_nvram_lock(struct bnx2x *bp) 1174 { 1175 int port = BP_PORT(bp); 1176 int count, i; 1177 u32 val; 1178 1179 /* adjust timeout for emulation/FPGA */ 1180 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1181 if (CHIP_REV_IS_SLOW(bp)) 1182 count *= 100; 1183 1184 /* relinquish nvram interface */ 1185 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, 1186 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port)); 1187 1188 for (i = 0; i < count*10; i++) { 1189 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); 1190 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) 1191 break; 1192 1193 udelay(5); 1194 } 1195 1196 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) { 1197 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1198 "cannot free access to nvram interface\n"); 1199 return -EBUSY; 1200 } 1201 1202 /* release HW lock: protect against other PFs in PF Direct Assignment */ 1203 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM); 1204 return 0; 1205 } 1206 1207 static void bnx2x_enable_nvram_access(struct bnx2x *bp) 1208 { 1209 u32 val; 1210 1211 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); 1212 1213 /* enable both bits, even on read */ 1214 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, 1215 (val | MCPR_NVM_ACCESS_ENABLE_EN | 1216 MCPR_NVM_ACCESS_ENABLE_WR_EN)); 1217 } 1218 1219 static void bnx2x_disable_nvram_access(struct bnx2x *bp) 1220 { 1221 u32 val; 1222 1223 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); 1224 1225 /* disable both bits, even after read */ 1226 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, 1227 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN | 1228 MCPR_NVM_ACCESS_ENABLE_WR_EN))); 1229 } 1230 1231 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val, 1232 u32 cmd_flags) 1233 { 1234 int count, i, rc; 1235 u32 val; 1236 1237 /* build the command word */ 1238 cmd_flags |= MCPR_NVM_COMMAND_DOIT; 1239 1240 /* need to clear DONE bit separately */ 1241 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); 1242 1243 /* address of the NVRAM to read from */ 1244 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, 1245 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); 1246 1247 /* issue a read command */ 1248 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); 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 /* wait for completion */ 1256 *ret_val = 0; 1257 rc = -EBUSY; 1258 for (i = 0; i < count; i++) { 1259 udelay(5); 1260 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); 1261 1262 if (val & MCPR_NVM_COMMAND_DONE) { 1263 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ); 1264 /* we read nvram data in cpu order 1265 * but ethtool sees it as an array of bytes 1266 * converting to big-endian will do the work 1267 */ 1268 *ret_val = cpu_to_be32(val); 1269 rc = 0; 1270 break; 1271 } 1272 } 1273 if (rc == -EBUSY) 1274 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1275 "nvram read timeout expired\n"); 1276 return rc; 1277 } 1278 1279 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, 1280 int buf_size) 1281 { 1282 int rc; 1283 u32 cmd_flags; 1284 __be32 val; 1285 1286 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { 1287 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1288 "Invalid parameter: offset 0x%x buf_size 0x%x\n", 1289 offset, buf_size); 1290 return -EINVAL; 1291 } 1292 1293 if (offset + buf_size > bp->common.flash_size) { 1294 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1295 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n", 1296 offset, buf_size, bp->common.flash_size); 1297 return -EINVAL; 1298 } 1299 1300 /* request access to nvram interface */ 1301 rc = bnx2x_acquire_nvram_lock(bp); 1302 if (rc) 1303 return rc; 1304 1305 /* enable access to nvram interface */ 1306 bnx2x_enable_nvram_access(bp); 1307 1308 /* read the first word(s) */ 1309 cmd_flags = MCPR_NVM_COMMAND_FIRST; 1310 while ((buf_size > sizeof(u32)) && (rc == 0)) { 1311 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); 1312 memcpy(ret_buf, &val, 4); 1313 1314 /* advance to the next dword */ 1315 offset += sizeof(u32); 1316 ret_buf += sizeof(u32); 1317 buf_size -= sizeof(u32); 1318 cmd_flags = 0; 1319 } 1320 1321 if (rc == 0) { 1322 cmd_flags |= MCPR_NVM_COMMAND_LAST; 1323 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); 1324 memcpy(ret_buf, &val, 4); 1325 } 1326 1327 /* disable access to nvram interface */ 1328 bnx2x_disable_nvram_access(bp); 1329 bnx2x_release_nvram_lock(bp); 1330 1331 return rc; 1332 } 1333 1334 static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf, 1335 int buf_size) 1336 { 1337 int rc; 1338 1339 rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size); 1340 1341 if (!rc) { 1342 __be32 *be = (__be32 *)buf; 1343 1344 while ((buf_size -= 4) >= 0) 1345 *buf++ = be32_to_cpu(*be++); 1346 } 1347 1348 return rc; 1349 } 1350 1351 static bool bnx2x_is_nvm_accessible(struct bnx2x *bp) 1352 { 1353 int rc = 1; 1354 u16 pm = 0; 1355 struct net_device *dev = pci_get_drvdata(bp->pdev); 1356 1357 if (bp->pdev->pm_cap) 1358 rc = pci_read_config_word(bp->pdev, 1359 bp->pdev->pm_cap + PCI_PM_CTRL, &pm); 1360 1361 if ((rc && !netif_running(dev)) || 1362 (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0))) 1363 return false; 1364 1365 return true; 1366 } 1367 1368 static int bnx2x_get_eeprom(struct net_device *dev, 1369 struct ethtool_eeprom *eeprom, u8 *eebuf) 1370 { 1371 struct bnx2x *bp = netdev_priv(dev); 1372 1373 if (!bnx2x_is_nvm_accessible(bp)) { 1374 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1375 "cannot access eeprom when the interface is down\n"); 1376 return -EAGAIN; 1377 } 1378 1379 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" 1380 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", 1381 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, 1382 eeprom->len, eeprom->len); 1383 1384 /* parameters already validated in ethtool_get_eeprom */ 1385 1386 return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); 1387 } 1388 1389 static int bnx2x_get_module_eeprom(struct net_device *dev, 1390 struct ethtool_eeprom *ee, 1391 u8 *data) 1392 { 1393 struct bnx2x *bp = netdev_priv(dev); 1394 int rc = -EINVAL, phy_idx; 1395 u8 *user_data = data; 1396 unsigned int start_addr = ee->offset, xfer_size = 0; 1397 1398 if (!bnx2x_is_nvm_accessible(bp)) { 1399 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1400 "cannot access eeprom when the interface is down\n"); 1401 return -EAGAIN; 1402 } 1403 1404 phy_idx = bnx2x_get_cur_phy_idx(bp); 1405 1406 /* Read A0 section */ 1407 if (start_addr < ETH_MODULE_SFF_8079_LEN) { 1408 /* Limit transfer size to the A0 section boundary */ 1409 if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN) 1410 xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr; 1411 else 1412 xfer_size = ee->len; 1413 bnx2x_acquire_phy_lock(bp); 1414 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1415 &bp->link_params, 1416 I2C_DEV_ADDR_A0, 1417 start_addr, 1418 xfer_size, 1419 user_data); 1420 bnx2x_release_phy_lock(bp); 1421 if (rc) { 1422 DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n"); 1423 1424 return -EINVAL; 1425 } 1426 user_data += xfer_size; 1427 start_addr += xfer_size; 1428 } 1429 1430 /* Read A2 section */ 1431 if ((start_addr >= ETH_MODULE_SFF_8079_LEN) && 1432 (start_addr < ETH_MODULE_SFF_8472_LEN)) { 1433 xfer_size = ee->len - xfer_size; 1434 /* Limit transfer size to the A2 section boundary */ 1435 if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN) 1436 xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr; 1437 start_addr -= ETH_MODULE_SFF_8079_LEN; 1438 bnx2x_acquire_phy_lock(bp); 1439 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1440 &bp->link_params, 1441 I2C_DEV_ADDR_A2, 1442 start_addr, 1443 xfer_size, 1444 user_data); 1445 bnx2x_release_phy_lock(bp); 1446 if (rc) { 1447 DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n"); 1448 return -EINVAL; 1449 } 1450 } 1451 return rc; 1452 } 1453 1454 static int bnx2x_get_module_info(struct net_device *dev, 1455 struct ethtool_modinfo *modinfo) 1456 { 1457 struct bnx2x *bp = netdev_priv(dev); 1458 int phy_idx, rc; 1459 u8 sff8472_comp, diag_type; 1460 1461 if (!bnx2x_is_nvm_accessible(bp)) { 1462 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1463 "cannot access eeprom when the interface is down\n"); 1464 return -EAGAIN; 1465 } 1466 phy_idx = bnx2x_get_cur_phy_idx(bp); 1467 bnx2x_acquire_phy_lock(bp); 1468 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1469 &bp->link_params, 1470 I2C_DEV_ADDR_A0, 1471 SFP_EEPROM_SFF_8472_COMP_ADDR, 1472 SFP_EEPROM_SFF_8472_COMP_SIZE, 1473 &sff8472_comp); 1474 bnx2x_release_phy_lock(bp); 1475 if (rc) { 1476 DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n"); 1477 return -EINVAL; 1478 } 1479 1480 bnx2x_acquire_phy_lock(bp); 1481 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx], 1482 &bp->link_params, 1483 I2C_DEV_ADDR_A0, 1484 SFP_EEPROM_DIAG_TYPE_ADDR, 1485 SFP_EEPROM_DIAG_TYPE_SIZE, 1486 &diag_type); 1487 bnx2x_release_phy_lock(bp); 1488 if (rc) { 1489 DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n"); 1490 return -EINVAL; 1491 } 1492 1493 if (!sff8472_comp || 1494 (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ)) { 1495 modinfo->type = ETH_MODULE_SFF_8079; 1496 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 1497 } else { 1498 modinfo->type = ETH_MODULE_SFF_8472; 1499 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1500 } 1501 return 0; 1502 } 1503 1504 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, 1505 u32 cmd_flags) 1506 { 1507 int count, i, rc; 1508 1509 /* build the command word */ 1510 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; 1511 1512 /* need to clear DONE bit separately */ 1513 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); 1514 1515 /* write the data */ 1516 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); 1517 1518 /* address of the NVRAM to write to */ 1519 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, 1520 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); 1521 1522 /* issue the write command */ 1523 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); 1524 1525 /* adjust timeout for emulation/FPGA */ 1526 count = BNX2X_NVRAM_TIMEOUT_COUNT; 1527 if (CHIP_REV_IS_SLOW(bp)) 1528 count *= 100; 1529 1530 /* wait for completion */ 1531 rc = -EBUSY; 1532 for (i = 0; i < count; i++) { 1533 udelay(5); 1534 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); 1535 if (val & MCPR_NVM_COMMAND_DONE) { 1536 rc = 0; 1537 break; 1538 } 1539 } 1540 1541 if (rc == -EBUSY) 1542 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1543 "nvram write timeout expired\n"); 1544 return rc; 1545 } 1546 1547 #define BYTE_OFFSET(offset) (8 * (offset & 0x03)) 1548 1549 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, 1550 int buf_size) 1551 { 1552 int rc; 1553 u32 cmd_flags, align_offset, val; 1554 __be32 val_be; 1555 1556 if (offset + buf_size > bp->common.flash_size) { 1557 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1558 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n", 1559 offset, buf_size, bp->common.flash_size); 1560 return -EINVAL; 1561 } 1562 1563 /* request access to nvram interface */ 1564 rc = bnx2x_acquire_nvram_lock(bp); 1565 if (rc) 1566 return rc; 1567 1568 /* enable access to nvram interface */ 1569 bnx2x_enable_nvram_access(bp); 1570 1571 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST); 1572 align_offset = (offset & ~0x03); 1573 rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags); 1574 1575 if (rc == 0) { 1576 /* nvram data is returned as an array of bytes 1577 * convert it back to cpu order 1578 */ 1579 val = be32_to_cpu(val_be); 1580 1581 val &= ~le32_to_cpu((__force __le32) 1582 (0xff << BYTE_OFFSET(offset))); 1583 val |= le32_to_cpu((__force __le32) 1584 (*data_buf << BYTE_OFFSET(offset))); 1585 1586 rc = bnx2x_nvram_write_dword(bp, align_offset, val, 1587 cmd_flags); 1588 } 1589 1590 /* disable access to nvram interface */ 1591 bnx2x_disable_nvram_access(bp); 1592 bnx2x_release_nvram_lock(bp); 1593 1594 return rc; 1595 } 1596 1597 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, 1598 int buf_size) 1599 { 1600 int rc; 1601 u32 cmd_flags; 1602 u32 val; 1603 u32 written_so_far; 1604 1605 if (buf_size == 1) /* ethtool */ 1606 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size); 1607 1608 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { 1609 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1610 "Invalid parameter: offset 0x%x buf_size 0x%x\n", 1611 offset, buf_size); 1612 return -EINVAL; 1613 } 1614 1615 if (offset + buf_size > bp->common.flash_size) { 1616 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1617 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n", 1618 offset, buf_size, bp->common.flash_size); 1619 return -EINVAL; 1620 } 1621 1622 /* request access to nvram interface */ 1623 rc = bnx2x_acquire_nvram_lock(bp); 1624 if (rc) 1625 return rc; 1626 1627 /* enable access to nvram interface */ 1628 bnx2x_enable_nvram_access(bp); 1629 1630 written_so_far = 0; 1631 cmd_flags = MCPR_NVM_COMMAND_FIRST; 1632 while ((written_so_far < buf_size) && (rc == 0)) { 1633 if (written_so_far == (buf_size - sizeof(u32))) 1634 cmd_flags |= MCPR_NVM_COMMAND_LAST; 1635 else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0) 1636 cmd_flags |= MCPR_NVM_COMMAND_LAST; 1637 else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0) 1638 cmd_flags |= MCPR_NVM_COMMAND_FIRST; 1639 1640 memcpy(&val, data_buf, 4); 1641 1642 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags); 1643 1644 /* advance to the next dword */ 1645 offset += sizeof(u32); 1646 data_buf += sizeof(u32); 1647 written_so_far += sizeof(u32); 1648 cmd_flags = 0; 1649 } 1650 1651 /* disable access to nvram interface */ 1652 bnx2x_disable_nvram_access(bp); 1653 bnx2x_release_nvram_lock(bp); 1654 1655 return rc; 1656 } 1657 1658 static int bnx2x_set_eeprom(struct net_device *dev, 1659 struct ethtool_eeprom *eeprom, u8 *eebuf) 1660 { 1661 struct bnx2x *bp = netdev_priv(dev); 1662 int port = BP_PORT(bp); 1663 int rc = 0; 1664 u32 ext_phy_config; 1665 1666 if (!bnx2x_is_nvm_accessible(bp)) { 1667 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1668 "cannot access eeprom when the interface is down\n"); 1669 return -EAGAIN; 1670 } 1671 1672 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" 1673 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", 1674 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, 1675 eeprom->len, eeprom->len); 1676 1677 /* parameters already validated in ethtool_set_eeprom */ 1678 1679 /* PHY eeprom can be accessed only by the PMF */ 1680 if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) && 1681 !bp->port.pmf) { 1682 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 1683 "wrong magic or interface is not pmf\n"); 1684 return -EINVAL; 1685 } 1686 1687 ext_phy_config = 1688 SHMEM_RD(bp, 1689 dev_info.port_hw_config[port].external_phy_config); 1690 1691 if (eeprom->magic == 0x50485950) { 1692 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */ 1693 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 1694 1695 bnx2x_acquire_phy_lock(bp); 1696 rc |= bnx2x_link_reset(&bp->link_params, 1697 &bp->link_vars, 0); 1698 if (XGXS_EXT_PHY_TYPE(ext_phy_config) == 1699 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) 1700 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, 1701 MISC_REGISTERS_GPIO_HIGH, port); 1702 bnx2x_release_phy_lock(bp); 1703 bnx2x_link_report(bp); 1704 1705 } else if (eeprom->magic == 0x50485952) { 1706 /* 'PHYR' (0x50485952): re-init link after FW upgrade */ 1707 if (bp->state == BNX2X_STATE_OPEN) { 1708 bnx2x_acquire_phy_lock(bp); 1709 rc |= bnx2x_link_reset(&bp->link_params, 1710 &bp->link_vars, 1); 1711 1712 rc |= bnx2x_phy_init(&bp->link_params, 1713 &bp->link_vars); 1714 bnx2x_release_phy_lock(bp); 1715 bnx2x_calc_fc_adv(bp); 1716 } 1717 } else if (eeprom->magic == 0x53985943) { 1718 /* 'PHYC' (0x53985943): PHY FW upgrade completed */ 1719 if (XGXS_EXT_PHY_TYPE(ext_phy_config) == 1720 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) { 1721 1722 /* DSP Remove Download Mode */ 1723 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, 1724 MISC_REGISTERS_GPIO_LOW, port); 1725 1726 bnx2x_acquire_phy_lock(bp); 1727 1728 bnx2x_sfx7101_sp_sw_reset(bp, 1729 &bp->link_params.phy[EXT_PHY1]); 1730 1731 /* wait 0.5 sec to allow it to run */ 1732 msleep(500); 1733 bnx2x_ext_phy_hw_reset(bp, port); 1734 msleep(500); 1735 bnx2x_release_phy_lock(bp); 1736 } 1737 } else 1738 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); 1739 1740 return rc; 1741 } 1742 1743 static int bnx2x_get_coalesce(struct net_device *dev, 1744 struct ethtool_coalesce *coal) 1745 { 1746 struct bnx2x *bp = netdev_priv(dev); 1747 1748 memset(coal, 0, sizeof(struct ethtool_coalesce)); 1749 1750 coal->rx_coalesce_usecs = bp->rx_ticks; 1751 coal->tx_coalesce_usecs = bp->tx_ticks; 1752 1753 return 0; 1754 } 1755 1756 static int bnx2x_set_coalesce(struct net_device *dev, 1757 struct ethtool_coalesce *coal) 1758 { 1759 struct bnx2x *bp = netdev_priv(dev); 1760 1761 bp->rx_ticks = (u16)coal->rx_coalesce_usecs; 1762 if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT) 1763 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT; 1764 1765 bp->tx_ticks = (u16)coal->tx_coalesce_usecs; 1766 if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT) 1767 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT; 1768 1769 if (netif_running(dev)) 1770 bnx2x_update_coalesce(bp); 1771 1772 return 0; 1773 } 1774 1775 static void bnx2x_get_ringparam(struct net_device *dev, 1776 struct ethtool_ringparam *ering) 1777 { 1778 struct bnx2x *bp = netdev_priv(dev); 1779 1780 ering->rx_max_pending = MAX_RX_AVAIL; 1781 1782 if (bp->rx_ring_size) 1783 ering->rx_pending = bp->rx_ring_size; 1784 else 1785 ering->rx_pending = MAX_RX_AVAIL; 1786 1787 ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL; 1788 ering->tx_pending = bp->tx_ring_size; 1789 } 1790 1791 static int bnx2x_set_ringparam(struct net_device *dev, 1792 struct ethtool_ringparam *ering) 1793 { 1794 struct bnx2x *bp = netdev_priv(dev); 1795 1796 DP(BNX2X_MSG_ETHTOOL, 1797 "set ring params command parameters: rx_pending = %d, tx_pending = %d\n", 1798 ering->rx_pending, ering->tx_pending); 1799 1800 if (bp->recovery_state != BNX2X_RECOVERY_DONE) { 1801 DP(BNX2X_MSG_ETHTOOL, 1802 "Handling parity error recovery. Try again later\n"); 1803 return -EAGAIN; 1804 } 1805 1806 if ((ering->rx_pending > MAX_RX_AVAIL) || 1807 (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA : 1808 MIN_RX_SIZE_TPA)) || 1809 (ering->tx_pending > (IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL)) || 1810 (ering->tx_pending <= MAX_SKB_FRAGS + 4)) { 1811 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 1812 return -EINVAL; 1813 } 1814 1815 bp->rx_ring_size = ering->rx_pending; 1816 bp->tx_ring_size = ering->tx_pending; 1817 1818 return bnx2x_reload_if_running(dev); 1819 } 1820 1821 static void bnx2x_get_pauseparam(struct net_device *dev, 1822 struct ethtool_pauseparam *epause) 1823 { 1824 struct bnx2x *bp = netdev_priv(dev); 1825 int cfg_idx = bnx2x_get_link_cfg_idx(bp); 1826 int cfg_reg; 1827 1828 epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] == 1829 BNX2X_FLOW_CTRL_AUTO); 1830 1831 if (!epause->autoneg) 1832 cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx]; 1833 else 1834 cfg_reg = bp->link_params.req_fc_auto_adv; 1835 1836 epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) == 1837 BNX2X_FLOW_CTRL_RX); 1838 epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) == 1839 BNX2X_FLOW_CTRL_TX); 1840 1841 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n" 1842 " autoneg %d rx_pause %d tx_pause %d\n", 1843 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); 1844 } 1845 1846 static int bnx2x_set_pauseparam(struct net_device *dev, 1847 struct ethtool_pauseparam *epause) 1848 { 1849 struct bnx2x *bp = netdev_priv(dev); 1850 u32 cfg_idx = bnx2x_get_link_cfg_idx(bp); 1851 if (IS_MF(bp)) 1852 return 0; 1853 1854 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n" 1855 " autoneg %d rx_pause %d tx_pause %d\n", 1856 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); 1857 1858 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO; 1859 1860 if (epause->rx_pause) 1861 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX; 1862 1863 if (epause->tx_pause) 1864 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX; 1865 1866 if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO) 1867 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE; 1868 1869 if (epause->autoneg) { 1870 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) { 1871 DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n"); 1872 return -EINVAL; 1873 } 1874 1875 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) { 1876 bp->link_params.req_flow_ctrl[cfg_idx] = 1877 BNX2X_FLOW_CTRL_AUTO; 1878 } 1879 bp->link_params.req_fc_auto_adv = 0; 1880 if (epause->rx_pause) 1881 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX; 1882 1883 if (epause->tx_pause) 1884 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX; 1885 1886 if (!bp->link_params.req_fc_auto_adv) 1887 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_NONE; 1888 } 1889 1890 DP(BNX2X_MSG_ETHTOOL, 1891 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]); 1892 1893 if (netif_running(dev)) { 1894 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 1895 bnx2x_link_set(bp); 1896 } 1897 1898 return 0; 1899 } 1900 1901 static const char bnx2x_tests_str_arr[BNX2X_NUM_TESTS_SF][ETH_GSTRING_LEN] = { 1902 "register_test (offline) ", 1903 "memory_test (offline) ", 1904 "int_loopback_test (offline)", 1905 "ext_loopback_test (offline)", 1906 "nvram_test (online) ", 1907 "interrupt_test (online) ", 1908 "link_test (online) " 1909 }; 1910 1911 enum { 1912 BNX2X_PRI_FLAG_ISCSI, 1913 BNX2X_PRI_FLAG_FCOE, 1914 BNX2X_PRI_FLAG_STORAGE, 1915 BNX2X_PRI_FLAG_LEN, 1916 }; 1917 1918 static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = { 1919 "iSCSI offload support", 1920 "FCoE offload support", 1921 "Storage only interface" 1922 }; 1923 1924 static u32 bnx2x_eee_to_adv(u32 eee_adv) 1925 { 1926 u32 modes = 0; 1927 1928 if (eee_adv & SHMEM_EEE_100M_ADV) 1929 modes |= ADVERTISED_100baseT_Full; 1930 if (eee_adv & SHMEM_EEE_1G_ADV) 1931 modes |= ADVERTISED_1000baseT_Full; 1932 if (eee_adv & SHMEM_EEE_10G_ADV) 1933 modes |= ADVERTISED_10000baseT_Full; 1934 1935 return modes; 1936 } 1937 1938 static u32 bnx2x_adv_to_eee(u32 modes, u32 shift) 1939 { 1940 u32 eee_adv = 0; 1941 if (modes & ADVERTISED_100baseT_Full) 1942 eee_adv |= SHMEM_EEE_100M_ADV; 1943 if (modes & ADVERTISED_1000baseT_Full) 1944 eee_adv |= SHMEM_EEE_1G_ADV; 1945 if (modes & ADVERTISED_10000baseT_Full) 1946 eee_adv |= SHMEM_EEE_10G_ADV; 1947 1948 return eee_adv << shift; 1949 } 1950 1951 static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1952 { 1953 struct bnx2x *bp = netdev_priv(dev); 1954 u32 eee_cfg; 1955 1956 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) { 1957 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n"); 1958 return -EOPNOTSUPP; 1959 } 1960 1961 eee_cfg = bp->link_vars.eee_status; 1962 1963 edata->supported = 1964 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >> 1965 SHMEM_EEE_SUPPORTED_SHIFT); 1966 1967 edata->advertised = 1968 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >> 1969 SHMEM_EEE_ADV_STATUS_SHIFT); 1970 edata->lp_advertised = 1971 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >> 1972 SHMEM_EEE_LP_ADV_STATUS_SHIFT); 1973 1974 /* SHMEM value is in 16u units --> Convert to 1u units. */ 1975 edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4; 1976 1977 edata->eee_enabled = (eee_cfg & SHMEM_EEE_REQUESTED_BIT) ? 1 : 0; 1978 edata->eee_active = (eee_cfg & SHMEM_EEE_ACTIVE_BIT) ? 1 : 0; 1979 edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0; 1980 1981 return 0; 1982 } 1983 1984 static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1985 { 1986 struct bnx2x *bp = netdev_priv(dev); 1987 u32 eee_cfg; 1988 u32 advertised; 1989 1990 if (IS_MF(bp)) 1991 return 0; 1992 1993 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) { 1994 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n"); 1995 return -EOPNOTSUPP; 1996 } 1997 1998 eee_cfg = bp->link_vars.eee_status; 1999 2000 if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) { 2001 DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n"); 2002 return -EOPNOTSUPP; 2003 } 2004 2005 advertised = bnx2x_adv_to_eee(edata->advertised, 2006 SHMEM_EEE_ADV_STATUS_SHIFT); 2007 if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) { 2008 DP(BNX2X_MSG_ETHTOOL, 2009 "Direct manipulation of EEE advertisement is not supported\n"); 2010 return -EINVAL; 2011 } 2012 2013 if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) { 2014 DP(BNX2X_MSG_ETHTOOL, 2015 "Maximal Tx Lpi timer supported is %x(u)\n", 2016 EEE_MODE_TIMER_MASK); 2017 return -EINVAL; 2018 } 2019 if (edata->tx_lpi_enabled && 2020 (edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) { 2021 DP(BNX2X_MSG_ETHTOOL, 2022 "Minimal Tx Lpi timer supported is %d(u)\n", 2023 EEE_MODE_NVRAM_AGGRESSIVE_TIME); 2024 return -EINVAL; 2025 } 2026 2027 /* All is well; Apply changes*/ 2028 if (edata->eee_enabled) 2029 bp->link_params.eee_mode |= EEE_MODE_ADV_LPI; 2030 else 2031 bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI; 2032 2033 if (edata->tx_lpi_enabled) 2034 bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI; 2035 else 2036 bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI; 2037 2038 bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK; 2039 bp->link_params.eee_mode |= (edata->tx_lpi_timer & 2040 EEE_MODE_TIMER_MASK) | 2041 EEE_MODE_OVERRIDE_NVRAM | 2042 EEE_MODE_OUTPUT_TIME; 2043 2044 /* Restart link to propagate changes */ 2045 if (netif_running(dev)) { 2046 bnx2x_stats_handle(bp, STATS_EVENT_STOP); 2047 bnx2x_force_link_reset(bp); 2048 bnx2x_link_set(bp); 2049 } 2050 2051 return 0; 2052 } 2053 2054 enum { 2055 BNX2X_CHIP_E1_OFST = 0, 2056 BNX2X_CHIP_E1H_OFST, 2057 BNX2X_CHIP_E2_OFST, 2058 BNX2X_CHIP_E3_OFST, 2059 BNX2X_CHIP_E3B0_OFST, 2060 BNX2X_CHIP_MAX_OFST 2061 }; 2062 2063 #define BNX2X_CHIP_MASK_E1 (1 << BNX2X_CHIP_E1_OFST) 2064 #define BNX2X_CHIP_MASK_E1H (1 << BNX2X_CHIP_E1H_OFST) 2065 #define BNX2X_CHIP_MASK_E2 (1 << BNX2X_CHIP_E2_OFST) 2066 #define BNX2X_CHIP_MASK_E3 (1 << BNX2X_CHIP_E3_OFST) 2067 #define BNX2X_CHIP_MASK_E3B0 (1 << BNX2X_CHIP_E3B0_OFST) 2068 2069 #define BNX2X_CHIP_MASK_ALL ((1 << BNX2X_CHIP_MAX_OFST) - 1) 2070 #define BNX2X_CHIP_MASK_E1X (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H) 2071 2072 static int bnx2x_test_registers(struct bnx2x *bp) 2073 { 2074 int idx, i, rc = -ENODEV; 2075 u32 wr_val = 0, hw; 2076 int port = BP_PORT(bp); 2077 static const struct { 2078 u32 hw; 2079 u32 offset0; 2080 u32 offset1; 2081 u32 mask; 2082 } reg_tbl[] = { 2083 /* 0 */ { BNX2X_CHIP_MASK_ALL, 2084 BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff }, 2085 { BNX2X_CHIP_MASK_ALL, 2086 DORQ_REG_DB_ADDR0, 4, 0xffffffff }, 2087 { BNX2X_CHIP_MASK_E1X, 2088 HC_REG_AGG_INT_0, 4, 0x000003ff }, 2089 { BNX2X_CHIP_MASK_ALL, 2090 PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 }, 2091 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3, 2092 PBF_REG_P0_INIT_CRD, 4, 0x000007ff }, 2093 { BNX2X_CHIP_MASK_E3B0, 2094 PBF_REG_INIT_CRD_Q0, 4, 0x000007ff }, 2095 { BNX2X_CHIP_MASK_ALL, 2096 PRS_REG_CID_PORT_0, 4, 0x00ffffff }, 2097 { BNX2X_CHIP_MASK_ALL, 2098 PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff }, 2099 { BNX2X_CHIP_MASK_ALL, 2100 PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, 2101 { BNX2X_CHIP_MASK_ALL, 2102 PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff }, 2103 /* 10 */ { BNX2X_CHIP_MASK_ALL, 2104 PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, 2105 { BNX2X_CHIP_MASK_ALL, 2106 PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff }, 2107 { BNX2X_CHIP_MASK_ALL, 2108 QM_REG_CONNNUM_0, 4, 0x000fffff }, 2109 { BNX2X_CHIP_MASK_ALL, 2110 TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff }, 2111 { BNX2X_CHIP_MASK_ALL, 2112 SRC_REG_KEYRSS0_0, 40, 0xffffffff }, 2113 { BNX2X_CHIP_MASK_ALL, 2114 SRC_REG_KEYRSS0_7, 40, 0xffffffff }, 2115 { BNX2X_CHIP_MASK_ALL, 2116 XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 }, 2117 { BNX2X_CHIP_MASK_ALL, 2118 XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 }, 2119 { BNX2X_CHIP_MASK_ALL, 2120 XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff }, 2121 { BNX2X_CHIP_MASK_ALL, 2122 NIG_REG_LLH0_T_BIT, 4, 0x00000001 }, 2123 /* 20 */ { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2124 NIG_REG_EMAC0_IN_EN, 4, 0x00000001 }, 2125 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2126 NIG_REG_BMAC0_IN_EN, 4, 0x00000001 }, 2127 { BNX2X_CHIP_MASK_ALL, 2128 NIG_REG_XCM0_OUT_EN, 4, 0x00000001 }, 2129 { BNX2X_CHIP_MASK_ALL, 2130 NIG_REG_BRB0_OUT_EN, 4, 0x00000001 }, 2131 { BNX2X_CHIP_MASK_ALL, 2132 NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 }, 2133 { BNX2X_CHIP_MASK_ALL, 2134 NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff }, 2135 { BNX2X_CHIP_MASK_ALL, 2136 NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff }, 2137 { BNX2X_CHIP_MASK_ALL, 2138 NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff }, 2139 { BNX2X_CHIP_MASK_ALL, 2140 NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff }, 2141 { BNX2X_CHIP_MASK_ALL, 2142 NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 }, 2143 /* 30 */ { BNX2X_CHIP_MASK_ALL, 2144 NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff }, 2145 { BNX2X_CHIP_MASK_ALL, 2146 NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff }, 2147 { BNX2X_CHIP_MASK_ALL, 2148 NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff }, 2149 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2150 NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 }, 2151 { BNX2X_CHIP_MASK_ALL, 2152 NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001}, 2153 { BNX2X_CHIP_MASK_ALL, 2154 NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff }, 2155 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2156 NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 }, 2157 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2, 2158 NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f }, 2159 2160 { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 } 2161 }; 2162 2163 if (!bnx2x_is_nvm_accessible(bp)) { 2164 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2165 "cannot access eeprom when the interface is down\n"); 2166 return rc; 2167 } 2168 2169 if (CHIP_IS_E1(bp)) 2170 hw = BNX2X_CHIP_MASK_E1; 2171 else if (CHIP_IS_E1H(bp)) 2172 hw = BNX2X_CHIP_MASK_E1H; 2173 else if (CHIP_IS_E2(bp)) 2174 hw = BNX2X_CHIP_MASK_E2; 2175 else if (CHIP_IS_E3B0(bp)) 2176 hw = BNX2X_CHIP_MASK_E3B0; 2177 else /* e3 A0 */ 2178 hw = BNX2X_CHIP_MASK_E3; 2179 2180 /* Repeat the test twice: 2181 * First by writing 0x00000000, second by writing 0xffffffff 2182 */ 2183 for (idx = 0; idx < 2; idx++) { 2184 2185 switch (idx) { 2186 case 0: 2187 wr_val = 0; 2188 break; 2189 case 1: 2190 wr_val = 0xffffffff; 2191 break; 2192 } 2193 2194 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) { 2195 u32 offset, mask, save_val, val; 2196 if (!(hw & reg_tbl[i].hw)) 2197 continue; 2198 2199 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1; 2200 mask = reg_tbl[i].mask; 2201 2202 save_val = REG_RD(bp, offset); 2203 2204 REG_WR(bp, offset, wr_val & mask); 2205 2206 val = REG_RD(bp, offset); 2207 2208 /* Restore the original register's value */ 2209 REG_WR(bp, offset, save_val); 2210 2211 /* verify value is as expected */ 2212 if ((val & mask) != (wr_val & mask)) { 2213 DP(BNX2X_MSG_ETHTOOL, 2214 "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n", 2215 offset, val, wr_val, mask); 2216 goto test_reg_exit; 2217 } 2218 } 2219 } 2220 2221 rc = 0; 2222 2223 test_reg_exit: 2224 return rc; 2225 } 2226 2227 static int bnx2x_test_memory(struct bnx2x *bp) 2228 { 2229 int i, j, rc = -ENODEV; 2230 u32 val, index; 2231 static const struct { 2232 u32 offset; 2233 int size; 2234 } mem_tbl[] = { 2235 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE }, 2236 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE }, 2237 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE }, 2238 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE }, 2239 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE }, 2240 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE }, 2241 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE }, 2242 2243 { 0xffffffff, 0 } 2244 }; 2245 2246 static const struct { 2247 char *name; 2248 u32 offset; 2249 u32 hw_mask[BNX2X_CHIP_MAX_OFST]; 2250 } prty_tbl[] = { 2251 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 2252 {0x3ffc0, 0, 0, 0} }, 2253 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 2254 {0x2, 0x2, 0, 0} }, 2255 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 2256 {0, 0, 0, 0} }, 2257 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 2258 {0x3ffc0, 0, 0, 0} }, 2259 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 2260 {0x3ffc0, 0, 0, 0} }, 2261 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 2262 {0x3ffc1, 0, 0, 0} }, 2263 2264 { NULL, 0xffffffff, {0, 0, 0, 0} } 2265 }; 2266 2267 if (!bnx2x_is_nvm_accessible(bp)) { 2268 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2269 "cannot access eeprom when the interface is down\n"); 2270 return rc; 2271 } 2272 2273 if (CHIP_IS_E1(bp)) 2274 index = BNX2X_CHIP_E1_OFST; 2275 else if (CHIP_IS_E1H(bp)) 2276 index = BNX2X_CHIP_E1H_OFST; 2277 else if (CHIP_IS_E2(bp)) 2278 index = BNX2X_CHIP_E2_OFST; 2279 else /* e3 */ 2280 index = BNX2X_CHIP_E3_OFST; 2281 2282 /* pre-Check the parity status */ 2283 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { 2284 val = REG_RD(bp, prty_tbl[i].offset); 2285 if (val & ~(prty_tbl[i].hw_mask[index])) { 2286 DP(BNX2X_MSG_ETHTOOL, 2287 "%s is 0x%x\n", prty_tbl[i].name, val); 2288 goto test_mem_exit; 2289 } 2290 } 2291 2292 /* Go through all the memories */ 2293 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) 2294 for (j = 0; j < mem_tbl[i].size; j++) 2295 REG_RD(bp, mem_tbl[i].offset + j*4); 2296 2297 /* Check the parity status */ 2298 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { 2299 val = REG_RD(bp, prty_tbl[i].offset); 2300 if (val & ~(prty_tbl[i].hw_mask[index])) { 2301 DP(BNX2X_MSG_ETHTOOL, 2302 "%s is 0x%x\n", prty_tbl[i].name, val); 2303 goto test_mem_exit; 2304 } 2305 } 2306 2307 rc = 0; 2308 2309 test_mem_exit: 2310 return rc; 2311 } 2312 2313 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes) 2314 { 2315 int cnt = 1400; 2316 2317 if (link_up) { 2318 while (bnx2x_link_test(bp, is_serdes) && cnt--) 2319 msleep(20); 2320 2321 if (cnt <= 0 && bnx2x_link_test(bp, is_serdes)) 2322 DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n"); 2323 2324 cnt = 1400; 2325 while (!bp->link_vars.link_up && cnt--) 2326 msleep(20); 2327 2328 if (cnt <= 0 && !bp->link_vars.link_up) 2329 DP(BNX2X_MSG_ETHTOOL, 2330 "Timeout waiting for link init\n"); 2331 } 2332 } 2333 2334 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode) 2335 { 2336 unsigned int pkt_size, num_pkts, i; 2337 struct sk_buff *skb; 2338 unsigned char *packet; 2339 struct bnx2x_fastpath *fp_rx = &bp->fp[0]; 2340 struct bnx2x_fastpath *fp_tx = &bp->fp[0]; 2341 struct bnx2x_fp_txdata *txdata = fp_tx->txdata_ptr[0]; 2342 u16 tx_start_idx, tx_idx; 2343 u16 rx_start_idx, rx_idx; 2344 u16 pkt_prod, bd_prod; 2345 struct sw_tx_bd *tx_buf; 2346 struct eth_tx_start_bd *tx_start_bd; 2347 dma_addr_t mapping; 2348 union eth_rx_cqe *cqe; 2349 u8 cqe_fp_flags, cqe_fp_type; 2350 struct sw_rx_bd *rx_buf; 2351 u16 len; 2352 int rc = -ENODEV; 2353 u8 *data; 2354 struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, 2355 txdata->txq_index); 2356 2357 /* check the loopback mode */ 2358 switch (loopback_mode) { 2359 case BNX2X_PHY_LOOPBACK: 2360 if (bp->link_params.loopback_mode != LOOPBACK_XGXS) { 2361 DP(BNX2X_MSG_ETHTOOL, "PHY loopback not supported\n"); 2362 return -EINVAL; 2363 } 2364 break; 2365 case BNX2X_MAC_LOOPBACK: 2366 if (CHIP_IS_E3(bp)) { 2367 int cfg_idx = bnx2x_get_link_cfg_idx(bp); 2368 if (bp->port.supported[cfg_idx] & 2369 (SUPPORTED_10000baseT_Full | 2370 SUPPORTED_20000baseMLD2_Full | 2371 SUPPORTED_20000baseKR2_Full)) 2372 bp->link_params.loopback_mode = LOOPBACK_XMAC; 2373 else 2374 bp->link_params.loopback_mode = LOOPBACK_UMAC; 2375 } else 2376 bp->link_params.loopback_mode = LOOPBACK_BMAC; 2377 2378 bnx2x_phy_init(&bp->link_params, &bp->link_vars); 2379 break; 2380 case BNX2X_EXT_LOOPBACK: 2381 if (bp->link_params.loopback_mode != LOOPBACK_EXT) { 2382 DP(BNX2X_MSG_ETHTOOL, 2383 "Can't configure external loopback\n"); 2384 return -EINVAL; 2385 } 2386 break; 2387 default: 2388 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 2389 return -EINVAL; 2390 } 2391 2392 /* prepare the loopback packet */ 2393 pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ? 2394 bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN); 2395 skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size); 2396 if (!skb) { 2397 DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n"); 2398 rc = -ENOMEM; 2399 goto test_loopback_exit; 2400 } 2401 packet = skb_put(skb, pkt_size); 2402 memcpy(packet, bp->dev->dev_addr, ETH_ALEN); 2403 memset(packet + ETH_ALEN, 0, ETH_ALEN); 2404 memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN)); 2405 for (i = ETH_HLEN; i < pkt_size; i++) 2406 packet[i] = (unsigned char) (i & 0xff); 2407 mapping = dma_map_single(&bp->pdev->dev, skb->data, 2408 skb_headlen(skb), DMA_TO_DEVICE); 2409 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { 2410 rc = -ENOMEM; 2411 dev_kfree_skb(skb); 2412 DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n"); 2413 goto test_loopback_exit; 2414 } 2415 2416 /* send the loopback packet */ 2417 num_pkts = 0; 2418 tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb); 2419 rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb); 2420 2421 netdev_tx_sent_queue(txq, skb->len); 2422 2423 pkt_prod = txdata->tx_pkt_prod++; 2424 tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)]; 2425 tx_buf->first_bd = txdata->tx_bd_prod; 2426 tx_buf->skb = skb; 2427 tx_buf->flags = 0; 2428 2429 bd_prod = TX_BD(txdata->tx_bd_prod); 2430 tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd; 2431 tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); 2432 tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); 2433 tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */ 2434 tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb)); 2435 tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod); 2436 tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; 2437 SET_FLAG(tx_start_bd->general_data, 2438 ETH_TX_START_BD_HDR_NBDS, 2439 1); 2440 SET_FLAG(tx_start_bd->general_data, 2441 ETH_TX_START_BD_PARSE_NBDS, 2442 0); 2443 2444 /* turn on parsing and get a BD */ 2445 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); 2446 2447 if (CHIP_IS_E1x(bp)) { 2448 u16 global_data = 0; 2449 struct eth_tx_parse_bd_e1x *pbd_e1x = 2450 &txdata->tx_desc_ring[bd_prod].parse_bd_e1x; 2451 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x)); 2452 SET_FLAG(global_data, 2453 ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE, UNICAST_ADDRESS); 2454 pbd_e1x->global_data = cpu_to_le16(global_data); 2455 } else { 2456 u32 parsing_data = 0; 2457 struct eth_tx_parse_bd_e2 *pbd_e2 = 2458 &txdata->tx_desc_ring[bd_prod].parse_bd_e2; 2459 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2)); 2460 SET_FLAG(parsing_data, 2461 ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE, UNICAST_ADDRESS); 2462 pbd_e2->parsing_data = cpu_to_le32(parsing_data); 2463 } 2464 wmb(); 2465 2466 txdata->tx_db.data.prod += 2; 2467 barrier(); 2468 DOORBELL(bp, txdata->cid, txdata->tx_db.raw); 2469 2470 mmiowb(); 2471 barrier(); 2472 2473 num_pkts++; 2474 txdata->tx_bd_prod += 2; /* start + pbd */ 2475 2476 udelay(100); 2477 2478 tx_idx = le16_to_cpu(*txdata->tx_cons_sb); 2479 if (tx_idx != tx_start_idx + num_pkts) 2480 goto test_loopback_exit; 2481 2482 /* Unlike HC IGU won't generate an interrupt for status block 2483 * updates that have been performed while interrupts were 2484 * disabled. 2485 */ 2486 if (bp->common.int_block == INT_BLOCK_IGU) { 2487 /* Disable local BHes to prevent a dead-lock situation between 2488 * sch_direct_xmit() and bnx2x_run_loopback() (calling 2489 * bnx2x_tx_int()), as both are taking netif_tx_lock(). 2490 */ 2491 local_bh_disable(); 2492 bnx2x_tx_int(bp, txdata); 2493 local_bh_enable(); 2494 } 2495 2496 rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb); 2497 if (rx_idx != rx_start_idx + num_pkts) 2498 goto test_loopback_exit; 2499 2500 cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)]; 2501 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; 2502 cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE; 2503 if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS)) 2504 goto test_loopback_rx_exit; 2505 2506 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len); 2507 if (len != pkt_size) 2508 goto test_loopback_rx_exit; 2509 2510 rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)]; 2511 dma_sync_single_for_cpu(&bp->pdev->dev, 2512 dma_unmap_addr(rx_buf, mapping), 2513 fp_rx->rx_buf_size, DMA_FROM_DEVICE); 2514 data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset; 2515 for (i = ETH_HLEN; i < pkt_size; i++) 2516 if (*(data + i) != (unsigned char) (i & 0xff)) 2517 goto test_loopback_rx_exit; 2518 2519 rc = 0; 2520 2521 test_loopback_rx_exit: 2522 2523 fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons); 2524 fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod); 2525 fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons); 2526 fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod); 2527 2528 /* Update producers */ 2529 bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod, 2530 fp_rx->rx_sge_prod); 2531 2532 test_loopback_exit: 2533 bp->link_params.loopback_mode = LOOPBACK_NONE; 2534 2535 return rc; 2536 } 2537 2538 static int bnx2x_test_loopback(struct bnx2x *bp) 2539 { 2540 int rc = 0, res; 2541 2542 if (BP_NOMCP(bp)) 2543 return rc; 2544 2545 if (!netif_running(bp->dev)) 2546 return BNX2X_LOOPBACK_FAILED; 2547 2548 bnx2x_netif_stop(bp, 1); 2549 bnx2x_acquire_phy_lock(bp); 2550 2551 res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK); 2552 if (res) { 2553 DP(BNX2X_MSG_ETHTOOL, " PHY loopback failed (res %d)\n", res); 2554 rc |= BNX2X_PHY_LOOPBACK_FAILED; 2555 } 2556 2557 res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK); 2558 if (res) { 2559 DP(BNX2X_MSG_ETHTOOL, " MAC loopback failed (res %d)\n", res); 2560 rc |= BNX2X_MAC_LOOPBACK_FAILED; 2561 } 2562 2563 bnx2x_release_phy_lock(bp); 2564 bnx2x_netif_start(bp); 2565 2566 return rc; 2567 } 2568 2569 static int bnx2x_test_ext_loopback(struct bnx2x *bp) 2570 { 2571 int rc; 2572 u8 is_serdes = 2573 (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0; 2574 2575 if (BP_NOMCP(bp)) 2576 return -ENODEV; 2577 2578 if (!netif_running(bp->dev)) 2579 return BNX2X_EXT_LOOPBACK_FAILED; 2580 2581 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false); 2582 rc = bnx2x_nic_load(bp, LOAD_LOOPBACK_EXT); 2583 if (rc) { 2584 DP(BNX2X_MSG_ETHTOOL, 2585 "Can't perform self-test, nic_load (for external lb) failed\n"); 2586 return -ENODEV; 2587 } 2588 bnx2x_wait_for_link(bp, 1, is_serdes); 2589 2590 bnx2x_netif_stop(bp, 1); 2591 2592 rc = bnx2x_run_loopback(bp, BNX2X_EXT_LOOPBACK); 2593 if (rc) 2594 DP(BNX2X_MSG_ETHTOOL, "EXT loopback failed (res %d)\n", rc); 2595 2596 bnx2x_netif_start(bp); 2597 2598 return rc; 2599 } 2600 2601 struct code_entry { 2602 u32 sram_start_addr; 2603 u32 code_attribute; 2604 #define CODE_IMAGE_TYPE_MASK 0xf0800003 2605 #define CODE_IMAGE_VNTAG_PROFILES_DATA 0xd0000003 2606 #define CODE_IMAGE_LENGTH_MASK 0x007ffffc 2607 #define CODE_IMAGE_TYPE_EXTENDED_DIR 0xe0000000 2608 u32 nvm_start_addr; 2609 }; 2610 2611 #define CODE_ENTRY_MAX 16 2612 #define CODE_ENTRY_EXTENDED_DIR_IDX 15 2613 #define MAX_IMAGES_IN_EXTENDED_DIR 64 2614 #define NVRAM_DIR_OFFSET 0x14 2615 2616 #define EXTENDED_DIR_EXISTS(code) \ 2617 ((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \ 2618 (code & CODE_IMAGE_LENGTH_MASK) != 0) 2619 2620 #define CRC32_RESIDUAL 0xdebb20e3 2621 #define CRC_BUFF_SIZE 256 2622 2623 static int bnx2x_nvram_crc(struct bnx2x *bp, 2624 int offset, 2625 int size, 2626 u8 *buff) 2627 { 2628 u32 crc = ~0; 2629 int rc = 0, done = 0; 2630 2631 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2632 "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size); 2633 2634 while (done < size) { 2635 int count = min_t(int, size - done, CRC_BUFF_SIZE); 2636 2637 rc = bnx2x_nvram_read(bp, offset + done, buff, count); 2638 2639 if (rc) 2640 return rc; 2641 2642 crc = crc32_le(crc, buff, count); 2643 done += count; 2644 } 2645 2646 if (crc != CRC32_RESIDUAL) 2647 rc = -EINVAL; 2648 2649 return rc; 2650 } 2651 2652 static int bnx2x_test_nvram_dir(struct bnx2x *bp, 2653 struct code_entry *entry, 2654 u8 *buff) 2655 { 2656 size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK; 2657 u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK; 2658 int rc; 2659 2660 /* Zero-length images and AFEX profiles do not have CRC */ 2661 if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA) 2662 return 0; 2663 2664 rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff); 2665 if (rc) 2666 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2667 "image %x has failed crc test (rc %d)\n", type, rc); 2668 2669 return rc; 2670 } 2671 2672 static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff) 2673 { 2674 int rc; 2675 struct code_entry entry; 2676 2677 rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry)); 2678 if (rc) 2679 return rc; 2680 2681 return bnx2x_test_nvram_dir(bp, &entry, buff); 2682 } 2683 2684 static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff) 2685 { 2686 u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET; 2687 struct code_entry entry; 2688 int i; 2689 2690 rc = bnx2x_nvram_read32(bp, 2691 dir_offset + 2692 sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX, 2693 (u32 *)&entry, sizeof(entry)); 2694 if (rc) 2695 return rc; 2696 2697 if (!EXTENDED_DIR_EXISTS(entry.code_attribute)) 2698 return 0; 2699 2700 rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr, 2701 &cnt, sizeof(u32)); 2702 if (rc) 2703 return rc; 2704 2705 dir_offset = entry.nvm_start_addr + 8; 2706 2707 for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) { 2708 rc = bnx2x_test_dir_entry(bp, dir_offset + 2709 sizeof(struct code_entry) * i, 2710 buff); 2711 if (rc) 2712 return rc; 2713 } 2714 2715 return 0; 2716 } 2717 2718 static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff) 2719 { 2720 u32 rc, dir_offset = NVRAM_DIR_OFFSET; 2721 int i; 2722 2723 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n"); 2724 2725 for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) { 2726 rc = bnx2x_test_dir_entry(bp, dir_offset + 2727 sizeof(struct code_entry) * i, 2728 buff); 2729 if (rc) 2730 return rc; 2731 } 2732 2733 return bnx2x_test_nvram_ext_dirs(bp, buff); 2734 } 2735 2736 struct crc_pair { 2737 int offset; 2738 int size; 2739 }; 2740 2741 static int bnx2x_test_nvram_tbl(struct bnx2x *bp, 2742 const struct crc_pair *nvram_tbl, u8 *buf) 2743 { 2744 int i; 2745 2746 for (i = 0; nvram_tbl[i].size; i++) { 2747 int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset, 2748 nvram_tbl[i].size, buf); 2749 if (rc) { 2750 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2751 "nvram_tbl[%d] has failed crc test (rc %d)\n", 2752 i, rc); 2753 return rc; 2754 } 2755 } 2756 2757 return 0; 2758 } 2759 2760 static int bnx2x_test_nvram(struct bnx2x *bp) 2761 { 2762 const struct crc_pair nvram_tbl[] = { 2763 { 0, 0x14 }, /* bootstrap */ 2764 { 0x14, 0xec }, /* dir */ 2765 { 0x100, 0x350 }, /* manuf_info */ 2766 { 0x450, 0xf0 }, /* feature_info */ 2767 { 0x640, 0x64 }, /* upgrade_key_info */ 2768 { 0x708, 0x70 }, /* manuf_key_info */ 2769 { 0, 0 } 2770 }; 2771 const struct crc_pair nvram_tbl2[] = { 2772 { 0x7e8, 0x350 }, /* manuf_info2 */ 2773 { 0xb38, 0xf0 }, /* feature_info */ 2774 { 0, 0 } 2775 }; 2776 2777 u8 *buf; 2778 int rc; 2779 u32 magic; 2780 2781 if (BP_NOMCP(bp)) 2782 return 0; 2783 2784 buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL); 2785 if (!buf) { 2786 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n"); 2787 rc = -ENOMEM; 2788 goto test_nvram_exit; 2789 } 2790 2791 rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic)); 2792 if (rc) { 2793 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2794 "magic value read (rc %d)\n", rc); 2795 goto test_nvram_exit; 2796 } 2797 2798 if (magic != 0x669955aa) { 2799 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2800 "wrong magic value (0x%08x)\n", magic); 2801 rc = -ENODEV; 2802 goto test_nvram_exit; 2803 } 2804 2805 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n"); 2806 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf); 2807 if (rc) 2808 goto test_nvram_exit; 2809 2810 if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) { 2811 u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) & 2812 SHARED_HW_CFG_HIDE_PORT1; 2813 2814 if (!hide) { 2815 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2816 "Port 1 CRC test-set\n"); 2817 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf); 2818 if (rc) 2819 goto test_nvram_exit; 2820 } 2821 } 2822 2823 rc = bnx2x_test_nvram_dirs(bp, buf); 2824 2825 test_nvram_exit: 2826 kfree(buf); 2827 return rc; 2828 } 2829 2830 /* Send an EMPTY ramrod on the first queue */ 2831 static int bnx2x_test_intr(struct bnx2x *bp) 2832 { 2833 struct bnx2x_queue_state_params params = {NULL}; 2834 2835 if (!netif_running(bp->dev)) { 2836 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 2837 "cannot access eeprom when the interface is down\n"); 2838 return -ENODEV; 2839 } 2840 2841 params.q_obj = &bp->sp_objs->q_obj; 2842 params.cmd = BNX2X_Q_CMD_EMPTY; 2843 2844 __set_bit(RAMROD_COMP_WAIT, ¶ms.ramrod_flags); 2845 2846 return bnx2x_queue_state_change(bp, ¶ms); 2847 } 2848 2849 static void bnx2x_self_test(struct net_device *dev, 2850 struct ethtool_test *etest, u64 *buf) 2851 { 2852 struct bnx2x *bp = netdev_priv(dev); 2853 u8 is_serdes, link_up; 2854 int rc, cnt = 0; 2855 2856 if (bp->recovery_state != BNX2X_RECOVERY_DONE) { 2857 netdev_err(bp->dev, 2858 "Handling parity error recovery. Try again later\n"); 2859 etest->flags |= ETH_TEST_FL_FAILED; 2860 return; 2861 } 2862 2863 DP(BNX2X_MSG_ETHTOOL, 2864 "Self-test command parameters: offline = %d, external_lb = %d\n", 2865 (etest->flags & ETH_TEST_FL_OFFLINE), 2866 (etest->flags & ETH_TEST_FL_EXTERNAL_LB)>>2); 2867 2868 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp)); 2869 2870 if (bnx2x_test_nvram(bp) != 0) { 2871 if (!IS_MF(bp)) 2872 buf[4] = 1; 2873 else 2874 buf[0] = 1; 2875 etest->flags |= ETH_TEST_FL_FAILED; 2876 } 2877 2878 if (!netif_running(dev)) { 2879 DP(BNX2X_MSG_ETHTOOL, "Interface is down\n"); 2880 return; 2881 } 2882 2883 is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0; 2884 link_up = bp->link_vars.link_up; 2885 /* offline tests are not supported in MF mode */ 2886 if ((etest->flags & ETH_TEST_FL_OFFLINE) && !IS_MF(bp)) { 2887 int port = BP_PORT(bp); 2888 u32 val; 2889 2890 /* save current value of input enable for TX port IF */ 2891 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4); 2892 /* disable input for TX port IF */ 2893 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0); 2894 2895 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false); 2896 rc = bnx2x_nic_load(bp, LOAD_DIAG); 2897 if (rc) { 2898 etest->flags |= ETH_TEST_FL_FAILED; 2899 DP(BNX2X_MSG_ETHTOOL, 2900 "Can't perform self-test, nic_load (for offline) failed\n"); 2901 return; 2902 } 2903 2904 /* wait until link state is restored */ 2905 bnx2x_wait_for_link(bp, 1, is_serdes); 2906 2907 if (bnx2x_test_registers(bp) != 0) { 2908 buf[0] = 1; 2909 etest->flags |= ETH_TEST_FL_FAILED; 2910 } 2911 if (bnx2x_test_memory(bp) != 0) { 2912 buf[1] = 1; 2913 etest->flags |= ETH_TEST_FL_FAILED; 2914 } 2915 2916 buf[2] = bnx2x_test_loopback(bp); /* internal LB */ 2917 if (buf[2] != 0) 2918 etest->flags |= ETH_TEST_FL_FAILED; 2919 2920 if (etest->flags & ETH_TEST_FL_EXTERNAL_LB) { 2921 buf[3] = bnx2x_test_ext_loopback(bp); /* external LB */ 2922 if (buf[3] != 0) 2923 etest->flags |= ETH_TEST_FL_FAILED; 2924 etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 2925 } 2926 2927 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false); 2928 2929 /* restore input for TX port IF */ 2930 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val); 2931 rc = bnx2x_nic_load(bp, LOAD_NORMAL); 2932 if (rc) { 2933 etest->flags |= ETH_TEST_FL_FAILED; 2934 DP(BNX2X_MSG_ETHTOOL, 2935 "Can't perform self-test, nic_load (for online) failed\n"); 2936 return; 2937 } 2938 /* wait until link state is restored */ 2939 bnx2x_wait_for_link(bp, link_up, is_serdes); 2940 } 2941 2942 if (bnx2x_test_intr(bp) != 0) { 2943 if (!IS_MF(bp)) 2944 buf[5] = 1; 2945 else 2946 buf[1] = 1; 2947 etest->flags |= ETH_TEST_FL_FAILED; 2948 } 2949 2950 if (link_up) { 2951 cnt = 100; 2952 while (bnx2x_link_test(bp, is_serdes) && --cnt) 2953 msleep(20); 2954 } 2955 2956 if (!cnt) { 2957 if (!IS_MF(bp)) 2958 buf[6] = 1; 2959 else 2960 buf[2] = 1; 2961 etest->flags |= ETH_TEST_FL_FAILED; 2962 } 2963 } 2964 2965 #define IS_PORT_STAT(i) \ 2966 ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT) 2967 #define IS_FUNC_STAT(i) (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC) 2968 #define IS_MF_MODE_STAT(bp) \ 2969 (IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS)) 2970 2971 /* ethtool statistics are displayed for all regular ethernet queues and the 2972 * fcoe L2 queue if not disabled 2973 */ 2974 static int bnx2x_num_stat_queues(struct bnx2x *bp) 2975 { 2976 return BNX2X_NUM_ETH_QUEUES(bp); 2977 } 2978 2979 static int bnx2x_get_sset_count(struct net_device *dev, int stringset) 2980 { 2981 struct bnx2x *bp = netdev_priv(dev); 2982 int i, num_strings = 0; 2983 2984 switch (stringset) { 2985 case ETH_SS_STATS: 2986 if (is_multi(bp)) { 2987 num_strings = bnx2x_num_stat_queues(bp) * 2988 BNX2X_NUM_Q_STATS; 2989 } else 2990 num_strings = 0; 2991 if (IS_MF_MODE_STAT(bp)) { 2992 for (i = 0; i < BNX2X_NUM_STATS; i++) 2993 if (IS_FUNC_STAT(i)) 2994 num_strings++; 2995 } else 2996 num_strings += BNX2X_NUM_STATS; 2997 2998 return num_strings; 2999 3000 case ETH_SS_TEST: 3001 return BNX2X_NUM_TESTS(bp); 3002 3003 case ETH_SS_PRIV_FLAGS: 3004 return BNX2X_PRI_FLAG_LEN; 3005 3006 default: 3007 return -EINVAL; 3008 } 3009 } 3010 3011 static u32 bnx2x_get_private_flags(struct net_device *dev) 3012 { 3013 struct bnx2x *bp = netdev_priv(dev); 3014 u32 flags = 0; 3015 3016 flags |= (!(bp->flags & NO_ISCSI_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_ISCSI; 3017 flags |= (!(bp->flags & NO_FCOE_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_FCOE; 3018 flags |= (!!IS_MF_STORAGE_ONLY(bp)) << BNX2X_PRI_FLAG_STORAGE; 3019 3020 return flags; 3021 } 3022 3023 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 3024 { 3025 struct bnx2x *bp = netdev_priv(dev); 3026 int i, j, k, start; 3027 char queue_name[MAX_QUEUE_NAME_LEN+1]; 3028 3029 switch (stringset) { 3030 case ETH_SS_STATS: 3031 k = 0; 3032 if (is_multi(bp)) { 3033 for_each_eth_queue(bp, i) { 3034 memset(queue_name, 0, sizeof(queue_name)); 3035 sprintf(queue_name, "%d", i); 3036 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) 3037 snprintf(buf + (k + j)*ETH_GSTRING_LEN, 3038 ETH_GSTRING_LEN, 3039 bnx2x_q_stats_arr[j].string, 3040 queue_name); 3041 k += BNX2X_NUM_Q_STATS; 3042 } 3043 } 3044 3045 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { 3046 if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i)) 3047 continue; 3048 strcpy(buf + (k + j)*ETH_GSTRING_LEN, 3049 bnx2x_stats_arr[i].string); 3050 j++; 3051 } 3052 3053 break; 3054 3055 case ETH_SS_TEST: 3056 /* First 4 tests cannot be done in MF mode */ 3057 if (!IS_MF(bp)) 3058 start = 0; 3059 else 3060 start = 4; 3061 memcpy(buf, bnx2x_tests_str_arr + start, 3062 ETH_GSTRING_LEN * BNX2X_NUM_TESTS(bp)); 3063 break; 3064 3065 case ETH_SS_PRIV_FLAGS: 3066 memcpy(buf, bnx2x_private_arr, 3067 ETH_GSTRING_LEN * BNX2X_PRI_FLAG_LEN); 3068 break; 3069 } 3070 } 3071 3072 static void bnx2x_get_ethtool_stats(struct net_device *dev, 3073 struct ethtool_stats *stats, u64 *buf) 3074 { 3075 struct bnx2x *bp = netdev_priv(dev); 3076 u32 *hw_stats, *offset; 3077 int i, j, k = 0; 3078 3079 if (is_multi(bp)) { 3080 for_each_eth_queue(bp, i) { 3081 hw_stats = (u32 *)&bp->fp_stats[i].eth_q_stats; 3082 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) { 3083 if (bnx2x_q_stats_arr[j].size == 0) { 3084 /* skip this counter */ 3085 buf[k + j] = 0; 3086 continue; 3087 } 3088 offset = (hw_stats + 3089 bnx2x_q_stats_arr[j].offset); 3090 if (bnx2x_q_stats_arr[j].size == 4) { 3091 /* 4-byte counter */ 3092 buf[k + j] = (u64) *offset; 3093 continue; 3094 } 3095 /* 8-byte counter */ 3096 buf[k + j] = HILO_U64(*offset, *(offset + 1)); 3097 } 3098 k += BNX2X_NUM_Q_STATS; 3099 } 3100 } 3101 3102 hw_stats = (u32 *)&bp->eth_stats; 3103 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { 3104 if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i)) 3105 continue; 3106 if (bnx2x_stats_arr[i].size == 0) { 3107 /* skip this counter */ 3108 buf[k + j] = 0; 3109 j++; 3110 continue; 3111 } 3112 offset = (hw_stats + bnx2x_stats_arr[i].offset); 3113 if (bnx2x_stats_arr[i].size == 4) { 3114 /* 4-byte counter */ 3115 buf[k + j] = (u64) *offset; 3116 j++; 3117 continue; 3118 } 3119 /* 8-byte counter */ 3120 buf[k + j] = HILO_U64(*offset, *(offset + 1)); 3121 j++; 3122 } 3123 } 3124 3125 static int bnx2x_set_phys_id(struct net_device *dev, 3126 enum ethtool_phys_id_state state) 3127 { 3128 struct bnx2x *bp = netdev_priv(dev); 3129 3130 if (!bnx2x_is_nvm_accessible(bp)) { 3131 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, 3132 "cannot access eeprom when the interface is down\n"); 3133 return -EAGAIN; 3134 } 3135 3136 switch (state) { 3137 case ETHTOOL_ID_ACTIVE: 3138 return 1; /* cycle on/off once per second */ 3139 3140 case ETHTOOL_ID_ON: 3141 bnx2x_acquire_phy_lock(bp); 3142 bnx2x_set_led(&bp->link_params, &bp->link_vars, 3143 LED_MODE_ON, SPEED_1000); 3144 bnx2x_release_phy_lock(bp); 3145 break; 3146 3147 case ETHTOOL_ID_OFF: 3148 bnx2x_acquire_phy_lock(bp); 3149 bnx2x_set_led(&bp->link_params, &bp->link_vars, 3150 LED_MODE_FRONT_PANEL_OFF, 0); 3151 bnx2x_release_phy_lock(bp); 3152 break; 3153 3154 case ETHTOOL_ID_INACTIVE: 3155 bnx2x_acquire_phy_lock(bp); 3156 bnx2x_set_led(&bp->link_params, &bp->link_vars, 3157 LED_MODE_OPER, 3158 bp->link_vars.line_speed); 3159 bnx2x_release_phy_lock(bp); 3160 } 3161 3162 return 0; 3163 } 3164 3165 static int bnx2x_get_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info) 3166 { 3167 switch (info->flow_type) { 3168 case TCP_V4_FLOW: 3169 case TCP_V6_FLOW: 3170 info->data = RXH_IP_SRC | RXH_IP_DST | 3171 RXH_L4_B_0_1 | RXH_L4_B_2_3; 3172 break; 3173 case UDP_V4_FLOW: 3174 if (bp->rss_conf_obj.udp_rss_v4) 3175 info->data = RXH_IP_SRC | RXH_IP_DST | 3176 RXH_L4_B_0_1 | RXH_L4_B_2_3; 3177 else 3178 info->data = RXH_IP_SRC | RXH_IP_DST; 3179 break; 3180 case UDP_V6_FLOW: 3181 if (bp->rss_conf_obj.udp_rss_v6) 3182 info->data = RXH_IP_SRC | RXH_IP_DST | 3183 RXH_L4_B_0_1 | RXH_L4_B_2_3; 3184 else 3185 info->data = RXH_IP_SRC | RXH_IP_DST; 3186 break; 3187 case IPV4_FLOW: 3188 case IPV6_FLOW: 3189 info->data = RXH_IP_SRC | RXH_IP_DST; 3190 break; 3191 default: 3192 info->data = 0; 3193 break; 3194 } 3195 3196 return 0; 3197 } 3198 3199 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 3200 u32 *rules __always_unused) 3201 { 3202 struct bnx2x *bp = netdev_priv(dev); 3203 3204 switch (info->cmd) { 3205 case ETHTOOL_GRXRINGS: 3206 info->data = BNX2X_NUM_ETH_QUEUES(bp); 3207 return 0; 3208 case ETHTOOL_GRXFH: 3209 return bnx2x_get_rss_flags(bp, info); 3210 default: 3211 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 3212 return -EOPNOTSUPP; 3213 } 3214 } 3215 3216 static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info) 3217 { 3218 int udp_rss_requested; 3219 3220 DP(BNX2X_MSG_ETHTOOL, 3221 "Set rss flags command parameters: flow type = %d, data = %llu\n", 3222 info->flow_type, info->data); 3223 3224 switch (info->flow_type) { 3225 case TCP_V4_FLOW: 3226 case TCP_V6_FLOW: 3227 /* For TCP only 4-tupple hash is supported */ 3228 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST | 3229 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 3230 DP(BNX2X_MSG_ETHTOOL, 3231 "Command parameters not supported\n"); 3232 return -EINVAL; 3233 } 3234 return 0; 3235 3236 case UDP_V4_FLOW: 3237 case UDP_V6_FLOW: 3238 /* For UDP either 2-tupple hash or 4-tupple hash is supported */ 3239 if (info->data == (RXH_IP_SRC | RXH_IP_DST | 3240 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 3241 udp_rss_requested = 1; 3242 else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) 3243 udp_rss_requested = 0; 3244 else 3245 return -EINVAL; 3246 if ((info->flow_type == UDP_V4_FLOW) && 3247 (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) { 3248 bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested; 3249 DP(BNX2X_MSG_ETHTOOL, 3250 "rss re-configured, UDP 4-tupple %s\n", 3251 udp_rss_requested ? "enabled" : "disabled"); 3252 return bnx2x_rss(bp, &bp->rss_conf_obj, false, true); 3253 } else if ((info->flow_type == UDP_V6_FLOW) && 3254 (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) { 3255 bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested; 3256 DP(BNX2X_MSG_ETHTOOL, 3257 "rss re-configured, UDP 4-tupple %s\n", 3258 udp_rss_requested ? "enabled" : "disabled"); 3259 return bnx2x_rss(bp, &bp->rss_conf_obj, false, true); 3260 } 3261 return 0; 3262 3263 case IPV4_FLOW: 3264 case IPV6_FLOW: 3265 /* For IP only 2-tupple hash is supported */ 3266 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) { 3267 DP(BNX2X_MSG_ETHTOOL, 3268 "Command parameters not supported\n"); 3269 return -EINVAL; 3270 } 3271 return 0; 3272 3273 case SCTP_V4_FLOW: 3274 case AH_ESP_V4_FLOW: 3275 case AH_V4_FLOW: 3276 case ESP_V4_FLOW: 3277 case SCTP_V6_FLOW: 3278 case AH_ESP_V6_FLOW: 3279 case AH_V6_FLOW: 3280 case ESP_V6_FLOW: 3281 case IP_USER_FLOW: 3282 case ETHER_FLOW: 3283 /* RSS is not supported for these protocols */ 3284 if (info->data) { 3285 DP(BNX2X_MSG_ETHTOOL, 3286 "Command parameters not supported\n"); 3287 return -EINVAL; 3288 } 3289 return 0; 3290 3291 default: 3292 return -EINVAL; 3293 } 3294 } 3295 3296 static int bnx2x_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info) 3297 { 3298 struct bnx2x *bp = netdev_priv(dev); 3299 3300 switch (info->cmd) { 3301 case ETHTOOL_SRXFH: 3302 return bnx2x_set_rss_flags(bp, info); 3303 default: 3304 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n"); 3305 return -EOPNOTSUPP; 3306 } 3307 } 3308 3309 static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev) 3310 { 3311 return T_ETH_INDIRECTION_TABLE_SIZE; 3312 } 3313 3314 static int bnx2x_get_rxfh_indir(struct net_device *dev, u32 *indir) 3315 { 3316 struct bnx2x *bp = netdev_priv(dev); 3317 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0}; 3318 size_t i; 3319 3320 /* Get the current configuration of the RSS indirection table */ 3321 bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table); 3322 3323 /* 3324 * We can't use a memcpy() as an internal storage of an 3325 * indirection table is a u8 array while indir->ring_index 3326 * points to an array of u32. 3327 * 3328 * Indirection table contains the FW Client IDs, so we need to 3329 * align the returned table to the Client ID of the leading RSS 3330 * queue. 3331 */ 3332 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) 3333 indir[i] = ind_table[i] - bp->fp->cl_id; 3334 3335 return 0; 3336 } 3337 3338 static int bnx2x_set_rxfh_indir(struct net_device *dev, const u32 *indir) 3339 { 3340 struct bnx2x *bp = netdev_priv(dev); 3341 size_t i; 3342 3343 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) { 3344 /* 3345 * The same as in bnx2x_get_rxfh_indir: we can't use a memcpy() 3346 * as an internal storage of an indirection table is a u8 array 3347 * while indir->ring_index points to an array of u32. 3348 * 3349 * Indirection table contains the FW Client IDs, so we need to 3350 * align the received table to the Client ID of the leading RSS 3351 * queue 3352 */ 3353 bp->rss_conf_obj.ind_table[i] = indir[i] + bp->fp->cl_id; 3354 } 3355 3356 return bnx2x_config_rss_eth(bp, false); 3357 } 3358 3359 /** 3360 * bnx2x_get_channels - gets the number of RSS queues. 3361 * 3362 * @dev: net device 3363 * @channels: returns the number of max / current queues 3364 */ 3365 static void bnx2x_get_channels(struct net_device *dev, 3366 struct ethtool_channels *channels) 3367 { 3368 struct bnx2x *bp = netdev_priv(dev); 3369 3370 channels->max_combined = BNX2X_MAX_RSS_COUNT(bp); 3371 channels->combined_count = BNX2X_NUM_ETH_QUEUES(bp); 3372 } 3373 3374 /** 3375 * bnx2x_change_num_queues - change the number of RSS queues. 3376 * 3377 * @bp: bnx2x private structure 3378 * 3379 * Re-configure interrupt mode to get the new number of MSI-X 3380 * vectors and re-add NAPI objects. 3381 */ 3382 static void bnx2x_change_num_queues(struct bnx2x *bp, int num_rss) 3383 { 3384 bnx2x_disable_msi(bp); 3385 bp->num_ethernet_queues = num_rss; 3386 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues; 3387 BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues); 3388 bnx2x_set_int_mode(bp); 3389 } 3390 3391 /** 3392 * bnx2x_set_channels - sets the number of RSS queues. 3393 * 3394 * @dev: net device 3395 * @channels: includes the number of queues requested 3396 */ 3397 static int bnx2x_set_channels(struct net_device *dev, 3398 struct ethtool_channels *channels) 3399 { 3400 struct bnx2x *bp = netdev_priv(dev); 3401 3402 DP(BNX2X_MSG_ETHTOOL, 3403 "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n", 3404 channels->rx_count, channels->tx_count, channels->other_count, 3405 channels->combined_count); 3406 3407 /* We don't support separate rx / tx channels. 3408 * We don't allow setting 'other' channels. 3409 */ 3410 if (channels->rx_count || channels->tx_count || channels->other_count 3411 || (channels->combined_count == 0) || 3412 (channels->combined_count > BNX2X_MAX_RSS_COUNT(bp))) { 3413 DP(BNX2X_MSG_ETHTOOL, "command parameters not supported\n"); 3414 return -EINVAL; 3415 } 3416 3417 /* Check if there was a change in the active parameters */ 3418 if (channels->combined_count == BNX2X_NUM_ETH_QUEUES(bp)) { 3419 DP(BNX2X_MSG_ETHTOOL, "No change in active parameters\n"); 3420 return 0; 3421 } 3422 3423 /* Set the requested number of queues in bp context. 3424 * Note that the actual number of queues created during load may be 3425 * less than requested if memory is low. 3426 */ 3427 if (unlikely(!netif_running(dev))) { 3428 bnx2x_change_num_queues(bp, channels->combined_count); 3429 return 0; 3430 } 3431 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true); 3432 bnx2x_change_num_queues(bp, channels->combined_count); 3433 return bnx2x_nic_load(bp, LOAD_NORMAL); 3434 } 3435 3436 static const struct ethtool_ops bnx2x_ethtool_ops = { 3437 .get_settings = bnx2x_get_settings, 3438 .set_settings = bnx2x_set_settings, 3439 .get_drvinfo = bnx2x_get_drvinfo, 3440 .get_regs_len = bnx2x_get_regs_len, 3441 .get_regs = bnx2x_get_regs, 3442 .get_dump_flag = bnx2x_get_dump_flag, 3443 .get_dump_data = bnx2x_get_dump_data, 3444 .set_dump = bnx2x_set_dump, 3445 .get_wol = bnx2x_get_wol, 3446 .set_wol = bnx2x_set_wol, 3447 .get_msglevel = bnx2x_get_msglevel, 3448 .set_msglevel = bnx2x_set_msglevel, 3449 .nway_reset = bnx2x_nway_reset, 3450 .get_link = bnx2x_get_link, 3451 .get_eeprom_len = bnx2x_get_eeprom_len, 3452 .get_eeprom = bnx2x_get_eeprom, 3453 .set_eeprom = bnx2x_set_eeprom, 3454 .get_coalesce = bnx2x_get_coalesce, 3455 .set_coalesce = bnx2x_set_coalesce, 3456 .get_ringparam = bnx2x_get_ringparam, 3457 .set_ringparam = bnx2x_set_ringparam, 3458 .get_pauseparam = bnx2x_get_pauseparam, 3459 .set_pauseparam = bnx2x_set_pauseparam, 3460 .self_test = bnx2x_self_test, 3461 .get_sset_count = bnx2x_get_sset_count, 3462 .get_priv_flags = bnx2x_get_private_flags, 3463 .get_strings = bnx2x_get_strings, 3464 .set_phys_id = bnx2x_set_phys_id, 3465 .get_ethtool_stats = bnx2x_get_ethtool_stats, 3466 .get_rxnfc = bnx2x_get_rxnfc, 3467 .set_rxnfc = bnx2x_set_rxnfc, 3468 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size, 3469 .get_rxfh_indir = bnx2x_get_rxfh_indir, 3470 .set_rxfh_indir = bnx2x_set_rxfh_indir, 3471 .get_channels = bnx2x_get_channels, 3472 .set_channels = bnx2x_set_channels, 3473 .get_module_info = bnx2x_get_module_info, 3474 .get_module_eeprom = bnx2x_get_module_eeprom, 3475 .get_eee = bnx2x_get_eee, 3476 .set_eee = bnx2x_set_eee, 3477 .get_ts_info = ethtool_op_get_ts_info, 3478 }; 3479 3480 static const struct ethtool_ops bnx2x_vf_ethtool_ops = { 3481 .get_settings = bnx2x_get_settings, 3482 .set_settings = bnx2x_set_settings, 3483 .get_drvinfo = bnx2x_get_drvinfo, 3484 .get_msglevel = bnx2x_get_msglevel, 3485 .set_msglevel = bnx2x_set_msglevel, 3486 .get_link = bnx2x_get_link, 3487 .get_coalesce = bnx2x_get_coalesce, 3488 .get_ringparam = bnx2x_get_ringparam, 3489 .set_ringparam = bnx2x_set_ringparam, 3490 .get_sset_count = bnx2x_get_sset_count, 3491 .get_strings = bnx2x_get_strings, 3492 .get_ethtool_stats = bnx2x_get_ethtool_stats, 3493 .get_rxnfc = bnx2x_get_rxnfc, 3494 .set_rxnfc = bnx2x_set_rxnfc, 3495 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size, 3496 .get_rxfh_indir = bnx2x_get_rxfh_indir, 3497 .set_rxfh_indir = bnx2x_set_rxfh_indir, 3498 .get_channels = bnx2x_get_channels, 3499 .set_channels = bnx2x_set_channels, 3500 }; 3501 3502 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev) 3503 { 3504 if (IS_PF(bp)) 3505 SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops); 3506 else /* vf */ 3507 SET_ETHTOOL_OPS(netdev, &bnx2x_vf_ethtool_ops); 3508 } 3509