1 /* 2 * Copyright (C) 2005 - 2013 Emulex 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License version 2 7 * as published by the Free Software Foundation. The full GNU General 8 * Public License is included in this distribution in the file called COPYING. 9 * 10 * Contact Information: 11 * linux-drivers@emulex.com 12 * 13 * Emulex 14 * 3333 Susan Street 15 * Costa Mesa, CA 92626 16 */ 17 18 #include "be.h" 19 #include "be_cmds.h" 20 #include <linux/ethtool.h> 21 22 struct be_ethtool_stat { 23 char desc[ETH_GSTRING_LEN]; 24 int type; 25 int size; 26 int offset; 27 }; 28 29 enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT}; 30 #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \ 31 offsetof(_struct, field) 32 #define DRVSTAT_TX_INFO(field) #field, DRVSTAT_TX,\ 33 FIELDINFO(struct be_tx_stats, field) 34 #define DRVSTAT_RX_INFO(field) #field, DRVSTAT_RX,\ 35 FIELDINFO(struct be_rx_stats, field) 36 #define DRVSTAT_INFO(field) #field, DRVSTAT,\ 37 FIELDINFO(struct be_drv_stats, field) 38 39 static const struct be_ethtool_stat et_stats[] = { 40 {DRVSTAT_INFO(rx_crc_errors)}, 41 {DRVSTAT_INFO(rx_alignment_symbol_errors)}, 42 {DRVSTAT_INFO(rx_pause_frames)}, 43 {DRVSTAT_INFO(rx_control_frames)}, 44 /* Received packets dropped when the Ethernet length field 45 * is not equal to the actual Ethernet data length. 46 */ 47 {DRVSTAT_INFO(rx_in_range_errors)}, 48 /* Received packets dropped when their length field is >= 1501 bytes 49 * and <= 1535 bytes. 50 */ 51 {DRVSTAT_INFO(rx_out_range_errors)}, 52 /* Received packets dropped when they are longer than 9216 bytes */ 53 {DRVSTAT_INFO(rx_frame_too_long)}, 54 /* Received packets dropped when they don't pass the unicast or 55 * multicast address filtering. 56 */ 57 {DRVSTAT_INFO(rx_address_filtered)}, 58 /* Received packets dropped when IP packet length field is less than 59 * the IP header length field. 60 */ 61 {DRVSTAT_INFO(rx_dropped_too_small)}, 62 /* Received packets dropped when IP length field is greater than 63 * the actual packet length. 64 */ 65 {DRVSTAT_INFO(rx_dropped_too_short)}, 66 /* Received packets dropped when the IP header length field is less 67 * than 5. 68 */ 69 {DRVSTAT_INFO(rx_dropped_header_too_small)}, 70 /* Received packets dropped when the TCP header length field is less 71 * than 5 or the TCP header length + IP header length is more 72 * than IP packet length. 73 */ 74 {DRVSTAT_INFO(rx_dropped_tcp_length)}, 75 {DRVSTAT_INFO(rx_dropped_runt)}, 76 /* Number of received packets dropped when a fifo for descriptors going 77 * into the packet demux block overflows. In normal operation, this 78 * fifo must never overflow. 79 */ 80 {DRVSTAT_INFO(rxpp_fifo_overflow_drop)}, 81 {DRVSTAT_INFO(rx_input_fifo_overflow_drop)}, 82 {DRVSTAT_INFO(rx_ip_checksum_errs)}, 83 {DRVSTAT_INFO(rx_tcp_checksum_errs)}, 84 {DRVSTAT_INFO(rx_udp_checksum_errs)}, 85 {DRVSTAT_INFO(tx_pauseframes)}, 86 {DRVSTAT_INFO(tx_controlframes)}, 87 {DRVSTAT_INFO(rx_priority_pause_frames)}, 88 {DRVSTAT_INFO(tx_priority_pauseframes)}, 89 /* Received packets dropped when an internal fifo going into 90 * main packet buffer tank (PMEM) overflows. 91 */ 92 {DRVSTAT_INFO(pmem_fifo_overflow_drop)}, 93 {DRVSTAT_INFO(jabber_events)}, 94 /* Received packets dropped due to lack of available HW packet buffers 95 * used to temporarily hold the received packets. 96 */ 97 {DRVSTAT_INFO(rx_drops_no_pbuf)}, 98 /* Received packets dropped due to input receive buffer 99 * descriptor fifo overflowing. 100 */ 101 {DRVSTAT_INFO(rx_drops_no_erx_descr)}, 102 /* Packets dropped because the internal FIFO to the offloaded TCP 103 * receive processing block is full. This could happen only for 104 * offloaded iSCSI or FCoE trarffic. 105 */ 106 {DRVSTAT_INFO(rx_drops_no_tpre_descr)}, 107 /* Received packets dropped when they need more than 8 108 * receive buffers. This cannot happen as the driver configures 109 * 2048 byte receive buffers. 110 */ 111 {DRVSTAT_INFO(rx_drops_too_many_frags)}, 112 {DRVSTAT_INFO(forwarded_packets)}, 113 /* Received packets dropped when the frame length 114 * is more than 9018 bytes 115 */ 116 {DRVSTAT_INFO(rx_drops_mtu)}, 117 /* Number of packets dropped due to random early drop function */ 118 {DRVSTAT_INFO(eth_red_drops)}, 119 {DRVSTAT_INFO(be_on_die_temperature)}, 120 {DRVSTAT_INFO(rx_roce_bytes_lsd)}, 121 {DRVSTAT_INFO(rx_roce_bytes_msd)}, 122 {DRVSTAT_INFO(rx_roce_frames)}, 123 {DRVSTAT_INFO(roce_drops_payload_len)}, 124 {DRVSTAT_INFO(roce_drops_crc)} 125 }; 126 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats) 127 128 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts 129 * are first and second members respectively. 130 */ 131 static const struct be_ethtool_stat et_rx_stats[] = { 132 {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */ 133 {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */ 134 {DRVSTAT_RX_INFO(rx_compl)}, 135 {DRVSTAT_RX_INFO(rx_mcast_pkts)}, 136 /* Number of page allocation failures while posting receive buffers 137 * to HW. 138 */ 139 {DRVSTAT_RX_INFO(rx_post_fail)}, 140 /* Recevied packets dropped due to skb allocation failure */ 141 {DRVSTAT_RX_INFO(rx_drops_no_skbs)}, 142 /* Received packets dropped due to lack of available fetched buffers 143 * posted by the driver. 144 */ 145 {DRVSTAT_RX_INFO(rx_drops_no_frags)} 146 }; 147 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats)) 148 149 /* Stats related to multi TX queues: get_stats routine assumes compl is the 150 * first member 151 */ 152 static const struct be_ethtool_stat et_tx_stats[] = { 153 {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */ 154 {DRVSTAT_TX_INFO(tx_bytes)}, 155 {DRVSTAT_TX_INFO(tx_pkts)}, 156 /* Number of skbs queued for trasmission by the driver */ 157 {DRVSTAT_TX_INFO(tx_reqs)}, 158 /* Number of TX work request blocks DMAed to HW */ 159 {DRVSTAT_TX_INFO(tx_wrbs)}, 160 /* Number of times the TX queue was stopped due to lack 161 * of spaces in the TXQ. 162 */ 163 {DRVSTAT_TX_INFO(tx_stops)}, 164 /* Pkts dropped in the driver's transmit path */ 165 {DRVSTAT_TX_INFO(tx_drv_drops)} 166 }; 167 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats)) 168 169 static const char et_self_tests[][ETH_GSTRING_LEN] = { 170 "MAC Loopback test", 171 "PHY Loopback test", 172 "External Loopback test", 173 "DDR DMA test", 174 "Link test" 175 }; 176 177 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests) 178 #define BE_MAC_LOOPBACK 0x0 179 #define BE_PHY_LOOPBACK 0x1 180 #define BE_ONE_PORT_EXT_LOOPBACK 0x2 181 #define BE_NO_LOOPBACK 0xff 182 183 static void be_get_drvinfo(struct net_device *netdev, 184 struct ethtool_drvinfo *drvinfo) 185 { 186 struct be_adapter *adapter = netdev_priv(netdev); 187 188 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 189 strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version)); 190 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN)) 191 strlcpy(drvinfo->fw_version, adapter->fw_ver, 192 sizeof(drvinfo->fw_version)); 193 else 194 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 195 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash); 196 197 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 198 sizeof(drvinfo->bus_info)); 199 drvinfo->testinfo_len = 0; 200 drvinfo->regdump_len = 0; 201 drvinfo->eedump_len = 0; 202 } 203 204 static u32 205 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name) 206 { 207 u32 data_read = 0, eof; 208 u8 addn_status; 209 struct be_dma_mem data_len_cmd; 210 int status; 211 212 memset(&data_len_cmd, 0, sizeof(data_len_cmd)); 213 /* data_offset and data_size should be 0 to get reg len */ 214 status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, 215 file_name, &data_read, &eof, &addn_status); 216 217 return data_read; 218 } 219 220 static int 221 lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name, 222 u32 buf_len, void *buf) 223 { 224 struct be_dma_mem read_cmd; 225 u32 read_len = 0, total_read_len = 0, chunk_size; 226 u32 eof = 0; 227 u8 addn_status; 228 int status = 0; 229 230 read_cmd.size = LANCER_READ_FILE_CHUNK; 231 read_cmd.va = pci_alloc_consistent(adapter->pdev, read_cmd.size, 232 &read_cmd.dma); 233 234 if (!read_cmd.va) { 235 dev_err(&adapter->pdev->dev, 236 "Memory allocation failure while reading dump\n"); 237 return -ENOMEM; 238 } 239 240 while ((total_read_len < buf_len) && !eof) { 241 chunk_size = min_t(u32, (buf_len - total_read_len), 242 LANCER_READ_FILE_CHUNK); 243 chunk_size = ALIGN(chunk_size, 4); 244 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size, 245 total_read_len, file_name, &read_len, 246 &eof, &addn_status); 247 if (!status) { 248 memcpy(buf + total_read_len, read_cmd.va, read_len); 249 total_read_len += read_len; 250 eof &= LANCER_READ_FILE_EOF_MASK; 251 } else { 252 status = -EIO; 253 break; 254 } 255 } 256 pci_free_consistent(adapter->pdev, read_cmd.size, read_cmd.va, 257 read_cmd.dma); 258 259 return status; 260 } 261 262 static int 263 be_get_reg_len(struct net_device *netdev) 264 { 265 struct be_adapter *adapter = netdev_priv(netdev); 266 u32 log_size = 0; 267 268 if (!check_privilege(adapter, MAX_PRIVILEGES)) 269 return 0; 270 271 if (be_physfn(adapter)) { 272 if (lancer_chip(adapter)) 273 log_size = lancer_cmd_get_file_len(adapter, 274 LANCER_FW_DUMP_FILE); 275 else 276 be_cmd_get_reg_len(adapter, &log_size); 277 } 278 return log_size; 279 } 280 281 static void 282 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf) 283 { 284 struct be_adapter *adapter = netdev_priv(netdev); 285 286 if (be_physfn(adapter)) { 287 memset(buf, 0, regs->len); 288 if (lancer_chip(adapter)) 289 lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE, 290 regs->len, buf); 291 else 292 be_cmd_get_regs(adapter, regs->len, buf); 293 } 294 } 295 296 static int be_get_coalesce(struct net_device *netdev, 297 struct ethtool_coalesce *et) 298 { 299 struct be_adapter *adapter = netdev_priv(netdev); 300 struct be_aic_obj *aic = &adapter->aic_obj[0]; 301 302 303 et->rx_coalesce_usecs = aic->prev_eqd; 304 et->rx_coalesce_usecs_high = aic->max_eqd; 305 et->rx_coalesce_usecs_low = aic->min_eqd; 306 307 et->tx_coalesce_usecs = aic->prev_eqd; 308 et->tx_coalesce_usecs_high = aic->max_eqd; 309 et->tx_coalesce_usecs_low = aic->min_eqd; 310 311 et->use_adaptive_rx_coalesce = aic->enable; 312 et->use_adaptive_tx_coalesce = aic->enable; 313 314 return 0; 315 } 316 317 /* TX attributes are ignored. Only RX attributes are considered 318 * eqd cmd is issued in the worker thread. 319 */ 320 static int be_set_coalesce(struct net_device *netdev, 321 struct ethtool_coalesce *et) 322 { 323 struct be_adapter *adapter = netdev_priv(netdev); 324 struct be_aic_obj *aic = &adapter->aic_obj[0]; 325 struct be_eq_obj *eqo; 326 int i; 327 328 for_all_evt_queues(adapter, eqo, i) { 329 aic->enable = et->use_adaptive_rx_coalesce; 330 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD); 331 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd); 332 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd); 333 aic->et_eqd = max(aic->et_eqd, aic->min_eqd); 334 aic++; 335 } 336 337 return 0; 338 } 339 340 static void 341 be_get_ethtool_stats(struct net_device *netdev, 342 struct ethtool_stats *stats, uint64_t *data) 343 { 344 struct be_adapter *adapter = netdev_priv(netdev); 345 struct be_rx_obj *rxo; 346 struct be_tx_obj *txo; 347 void *p; 348 unsigned int i, j, base = 0, start; 349 350 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 351 p = (u8 *)&adapter->drv_stats + et_stats[i].offset; 352 data[i] = *(u32 *)p; 353 } 354 base += ETHTOOL_STATS_NUM; 355 356 for_all_rx_queues(adapter, rxo, j) { 357 struct be_rx_stats *stats = rx_stats(rxo); 358 359 do { 360 start = u64_stats_fetch_begin_bh(&stats->sync); 361 data[base] = stats->rx_bytes; 362 data[base + 1] = stats->rx_pkts; 363 } while (u64_stats_fetch_retry_bh(&stats->sync, start)); 364 365 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) { 366 p = (u8 *)stats + et_rx_stats[i].offset; 367 data[base + i] = *(u32 *)p; 368 } 369 base += ETHTOOL_RXSTATS_NUM; 370 } 371 372 for_all_tx_queues(adapter, txo, j) { 373 struct be_tx_stats *stats = tx_stats(txo); 374 375 do { 376 start = u64_stats_fetch_begin_bh(&stats->sync_compl); 377 data[base] = stats->tx_compl; 378 } while (u64_stats_fetch_retry_bh(&stats->sync_compl, start)); 379 380 do { 381 start = u64_stats_fetch_begin_bh(&stats->sync); 382 for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) { 383 p = (u8 *)stats + et_tx_stats[i].offset; 384 data[base + i] = 385 (et_tx_stats[i].size == sizeof(u64)) ? 386 *(u64 *)p : *(u32 *)p; 387 } 388 } while (u64_stats_fetch_retry_bh(&stats->sync, start)); 389 base += ETHTOOL_TXSTATS_NUM; 390 } 391 } 392 393 static void 394 be_get_stat_strings(struct net_device *netdev, uint32_t stringset, 395 uint8_t *data) 396 { 397 struct be_adapter *adapter = netdev_priv(netdev); 398 int i, j; 399 400 switch (stringset) { 401 case ETH_SS_STATS: 402 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 403 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN); 404 data += ETH_GSTRING_LEN; 405 } 406 for (i = 0; i < adapter->num_rx_qs; i++) { 407 for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) { 408 sprintf(data, "rxq%d: %s", i, 409 et_rx_stats[j].desc); 410 data += ETH_GSTRING_LEN; 411 } 412 } 413 for (i = 0; i < adapter->num_tx_qs; i++) { 414 for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) { 415 sprintf(data, "txq%d: %s", i, 416 et_tx_stats[j].desc); 417 data += ETH_GSTRING_LEN; 418 } 419 } 420 break; 421 case ETH_SS_TEST: 422 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) { 423 memcpy(data, et_self_tests[i], ETH_GSTRING_LEN); 424 data += ETH_GSTRING_LEN; 425 } 426 break; 427 } 428 } 429 430 static int be_get_sset_count(struct net_device *netdev, int stringset) 431 { 432 struct be_adapter *adapter = netdev_priv(netdev); 433 434 switch (stringset) { 435 case ETH_SS_TEST: 436 return ETHTOOL_TESTS_NUM; 437 case ETH_SS_STATS: 438 return ETHTOOL_STATS_NUM + 439 adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM + 440 adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM; 441 default: 442 return -EINVAL; 443 } 444 } 445 446 static u32 be_get_port_type(u32 phy_type, u32 dac_cable_len) 447 { 448 u32 port; 449 450 switch (phy_type) { 451 case PHY_TYPE_BASET_1GB: 452 case PHY_TYPE_BASEX_1GB: 453 case PHY_TYPE_SGMII: 454 port = PORT_TP; 455 break; 456 case PHY_TYPE_SFP_PLUS_10GB: 457 port = dac_cable_len ? PORT_DA : PORT_FIBRE; 458 break; 459 case PHY_TYPE_XFP_10GB: 460 case PHY_TYPE_SFP_1GB: 461 port = PORT_FIBRE; 462 break; 463 case PHY_TYPE_BASET_10GB: 464 port = PORT_TP; 465 break; 466 default: 467 port = PORT_OTHER; 468 } 469 470 return port; 471 } 472 473 static u32 convert_to_et_setting(u32 if_type, u32 if_speeds) 474 { 475 u32 val = 0; 476 477 switch (if_type) { 478 case PHY_TYPE_BASET_1GB: 479 case PHY_TYPE_BASEX_1GB: 480 case PHY_TYPE_SGMII: 481 val |= SUPPORTED_TP; 482 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 483 val |= SUPPORTED_1000baseT_Full; 484 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 485 val |= SUPPORTED_100baseT_Full; 486 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS) 487 val |= SUPPORTED_10baseT_Full; 488 break; 489 case PHY_TYPE_KX4_10GB: 490 val |= SUPPORTED_Backplane; 491 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 492 val |= SUPPORTED_1000baseKX_Full; 493 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 494 val |= SUPPORTED_10000baseKX4_Full; 495 break; 496 case PHY_TYPE_KR_10GB: 497 val |= SUPPORTED_Backplane | 498 SUPPORTED_10000baseKR_Full; 499 break; 500 case PHY_TYPE_SFP_PLUS_10GB: 501 case PHY_TYPE_XFP_10GB: 502 case PHY_TYPE_SFP_1GB: 503 val |= SUPPORTED_FIBRE; 504 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 505 val |= SUPPORTED_10000baseT_Full; 506 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 507 val |= SUPPORTED_1000baseT_Full; 508 break; 509 case PHY_TYPE_BASET_10GB: 510 val |= SUPPORTED_TP; 511 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 512 val |= SUPPORTED_10000baseT_Full; 513 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 514 val |= SUPPORTED_1000baseT_Full; 515 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 516 val |= SUPPORTED_100baseT_Full; 517 break; 518 default: 519 val |= SUPPORTED_TP; 520 } 521 522 return val; 523 } 524 525 bool be_pause_supported(struct be_adapter *adapter) 526 { 527 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB || 528 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ? 529 false : true; 530 } 531 532 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) 533 { 534 struct be_adapter *adapter = netdev_priv(netdev); 535 u8 link_status; 536 u16 link_speed = 0; 537 int status; 538 u32 auto_speeds; 539 u32 fixed_speeds; 540 u32 dac_cable_len; 541 u16 interface_type; 542 543 if (adapter->phy.link_speed < 0) { 544 status = be_cmd_link_status_query(adapter, &link_speed, 545 &link_status, 0); 546 if (!status) 547 be_link_status_update(adapter, link_status); 548 ethtool_cmd_speed_set(ecmd, link_speed); 549 550 status = be_cmd_get_phy_info(adapter); 551 if (!status) { 552 interface_type = adapter->phy.interface_type; 553 auto_speeds = adapter->phy.auto_speeds_supported; 554 fixed_speeds = adapter->phy.fixed_speeds_supported; 555 dac_cable_len = adapter->phy.dac_cable_len; 556 557 ecmd->supported = 558 convert_to_et_setting(interface_type, 559 auto_speeds | 560 fixed_speeds); 561 ecmd->advertising = 562 convert_to_et_setting(interface_type, 563 auto_speeds); 564 565 ecmd->port = be_get_port_type(interface_type, 566 dac_cable_len); 567 568 if (adapter->phy.auto_speeds_supported) { 569 ecmd->supported |= SUPPORTED_Autoneg; 570 ecmd->autoneg = AUTONEG_ENABLE; 571 ecmd->advertising |= ADVERTISED_Autoneg; 572 } 573 574 ecmd->supported |= SUPPORTED_Pause; 575 if (be_pause_supported(adapter)) 576 ecmd->advertising |= ADVERTISED_Pause; 577 578 switch (adapter->phy.interface_type) { 579 case PHY_TYPE_KR_10GB: 580 case PHY_TYPE_KX4_10GB: 581 ecmd->transceiver = XCVR_INTERNAL; 582 break; 583 default: 584 ecmd->transceiver = XCVR_EXTERNAL; 585 break; 586 } 587 } else { 588 ecmd->port = PORT_OTHER; 589 ecmd->autoneg = AUTONEG_DISABLE; 590 ecmd->transceiver = XCVR_DUMMY1; 591 } 592 593 /* Save for future use */ 594 adapter->phy.link_speed = ethtool_cmd_speed(ecmd); 595 adapter->phy.port_type = ecmd->port; 596 adapter->phy.transceiver = ecmd->transceiver; 597 adapter->phy.autoneg = ecmd->autoneg; 598 adapter->phy.advertising = ecmd->advertising; 599 adapter->phy.supported = ecmd->supported; 600 } else { 601 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed); 602 ecmd->port = adapter->phy.port_type; 603 ecmd->transceiver = adapter->phy.transceiver; 604 ecmd->autoneg = adapter->phy.autoneg; 605 ecmd->advertising = adapter->phy.advertising; 606 ecmd->supported = adapter->phy.supported; 607 } 608 609 ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN; 610 ecmd->phy_address = adapter->port_num; 611 612 return 0; 613 } 614 615 static void be_get_ringparam(struct net_device *netdev, 616 struct ethtool_ringparam *ring) 617 { 618 struct be_adapter *adapter = netdev_priv(netdev); 619 620 ring->rx_max_pending = ring->rx_pending = adapter->rx_obj[0].q.len; 621 ring->tx_max_pending = ring->tx_pending = adapter->tx_obj[0].q.len; 622 } 623 624 static void 625 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 626 { 627 struct be_adapter *adapter = netdev_priv(netdev); 628 629 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause); 630 ecmd->autoneg = adapter->phy.fc_autoneg; 631 } 632 633 static int 634 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 635 { 636 struct be_adapter *adapter = netdev_priv(netdev); 637 int status; 638 639 if (ecmd->autoneg != adapter->phy.fc_autoneg) 640 return -EINVAL; 641 adapter->tx_fc = ecmd->tx_pause; 642 adapter->rx_fc = ecmd->rx_pause; 643 644 status = be_cmd_set_flow_control(adapter, 645 adapter->tx_fc, adapter->rx_fc); 646 if (status) 647 dev_warn(&adapter->pdev->dev, "Pause param set failed.\n"); 648 649 return status; 650 } 651 652 static int 653 be_set_phys_id(struct net_device *netdev, 654 enum ethtool_phys_id_state state) 655 { 656 struct be_adapter *adapter = netdev_priv(netdev); 657 658 switch (state) { 659 case ETHTOOL_ID_ACTIVE: 660 be_cmd_get_beacon_state(adapter, adapter->hba_port_num, 661 &adapter->beacon_state); 662 return 1; /* cycle on/off once per second */ 663 664 case ETHTOOL_ID_ON: 665 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0, 666 BEACON_STATE_ENABLED); 667 break; 668 669 case ETHTOOL_ID_OFF: 670 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0, 671 BEACON_STATE_DISABLED); 672 break; 673 674 case ETHTOOL_ID_INACTIVE: 675 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0, 676 adapter->beacon_state); 677 } 678 679 return 0; 680 } 681 682 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump) 683 { 684 struct be_adapter *adapter = netdev_priv(netdev); 685 struct device *dev = &adapter->pdev->dev; 686 int status; 687 688 if (!lancer_chip(adapter)) { 689 dev_err(dev, "FW dump not supported\n"); 690 return -EOPNOTSUPP; 691 } 692 693 if (dump_present(adapter)) { 694 dev_err(dev, "Previous dump not cleared, not forcing dump\n"); 695 return 0; 696 } 697 698 switch (dump->flag) { 699 case LANCER_INITIATE_FW_DUMP: 700 status = lancer_initiate_dump(adapter); 701 if (!status) 702 dev_info(dev, "F/w dump initiated successfully\n"); 703 break; 704 default: 705 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag); 706 return -EINVAL; 707 } 708 return status; 709 } 710 711 static void 712 be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 713 { 714 struct be_adapter *adapter = netdev_priv(netdev); 715 716 if (be_is_wol_supported(adapter)) { 717 wol->supported |= WAKE_MAGIC; 718 if (adapter->wol) 719 wol->wolopts |= WAKE_MAGIC; 720 } else 721 wol->wolopts = 0; 722 memset(&wol->sopass, 0, sizeof(wol->sopass)); 723 } 724 725 static int 726 be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 727 { 728 struct be_adapter *adapter = netdev_priv(netdev); 729 730 if (wol->wolopts & ~WAKE_MAGIC) 731 return -EOPNOTSUPP; 732 733 if (!be_is_wol_supported(adapter)) { 734 dev_warn(&adapter->pdev->dev, "WOL not supported\n"); 735 return -EOPNOTSUPP; 736 } 737 738 if (wol->wolopts & WAKE_MAGIC) 739 adapter->wol = true; 740 else 741 adapter->wol = false; 742 743 return 0; 744 } 745 746 static int 747 be_test_ddr_dma(struct be_adapter *adapter) 748 { 749 int ret, i; 750 struct be_dma_mem ddrdma_cmd; 751 static const u64 pattern[2] = { 752 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL 753 }; 754 755 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test); 756 ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size, 757 &ddrdma_cmd.dma, GFP_KERNEL); 758 if (!ddrdma_cmd.va) 759 return -ENOMEM; 760 761 for (i = 0; i < 2; i++) { 762 ret = be_cmd_ddr_dma_test(adapter, pattern[i], 763 4096, &ddrdma_cmd); 764 if (ret != 0) 765 goto err; 766 } 767 768 err: 769 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va, 770 ddrdma_cmd.dma); 771 return ret; 772 } 773 774 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type, 775 u64 *status) 776 { 777 be_cmd_set_loopback(adapter, adapter->hba_port_num, 778 loopback_type, 1); 779 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num, 780 loopback_type, 1500, 781 2, 0xabc); 782 be_cmd_set_loopback(adapter, adapter->hba_port_num, 783 BE_NO_LOOPBACK, 1); 784 return *status; 785 } 786 787 static void 788 be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data) 789 { 790 struct be_adapter *adapter = netdev_priv(netdev); 791 int status; 792 u8 link_status = 0; 793 794 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { 795 dev_err(&adapter->pdev->dev, "Self test not supported\n"); 796 test->flags |= ETH_TEST_FL_FAILED; 797 return; 798 } 799 800 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM); 801 802 if (test->flags & ETH_TEST_FL_OFFLINE) { 803 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, 804 &data[0]) != 0) { 805 test->flags |= ETH_TEST_FL_FAILED; 806 } 807 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, 808 &data[1]) != 0) { 809 test->flags |= ETH_TEST_FL_FAILED; 810 } 811 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK, 812 &data[2]) != 0) { 813 test->flags |= ETH_TEST_FL_FAILED; 814 } 815 } 816 817 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) { 818 data[3] = 1; 819 test->flags |= ETH_TEST_FL_FAILED; 820 } 821 822 status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); 823 if (status) { 824 test->flags |= ETH_TEST_FL_FAILED; 825 data[4] = -1; 826 } else if (!link_status) { 827 test->flags |= ETH_TEST_FL_FAILED; 828 data[4] = 1; 829 } 830 } 831 832 static int 833 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) 834 { 835 struct be_adapter *adapter = netdev_priv(netdev); 836 837 return be_load_fw(adapter, efl->data); 838 } 839 840 static int 841 be_get_eeprom_len(struct net_device *netdev) 842 { 843 struct be_adapter *adapter = netdev_priv(netdev); 844 845 if (!check_privilege(adapter, MAX_PRIVILEGES)) 846 return 0; 847 848 if (lancer_chip(adapter)) { 849 if (be_physfn(adapter)) 850 return lancer_cmd_get_file_len(adapter, 851 LANCER_VPD_PF_FILE); 852 else 853 return lancer_cmd_get_file_len(adapter, 854 LANCER_VPD_VF_FILE); 855 } else { 856 return BE_READ_SEEPROM_LEN; 857 } 858 } 859 860 static int 861 be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 862 uint8_t *data) 863 { 864 struct be_adapter *adapter = netdev_priv(netdev); 865 struct be_dma_mem eeprom_cmd; 866 struct be_cmd_resp_seeprom_read *resp; 867 int status; 868 869 if (!eeprom->len) 870 return -EINVAL; 871 872 if (lancer_chip(adapter)) { 873 if (be_physfn(adapter)) 874 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE, 875 eeprom->len, data); 876 else 877 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE, 878 eeprom->len, data); 879 } 880 881 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16); 882 883 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem)); 884 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read); 885 eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size, 886 &eeprom_cmd.dma, GFP_KERNEL); 887 888 if (!eeprom_cmd.va) 889 return -ENOMEM; 890 891 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd); 892 893 if (!status) { 894 resp = eeprom_cmd.va; 895 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len); 896 } 897 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va, 898 eeprom_cmd.dma); 899 900 return status; 901 } 902 903 static u32 be_get_msg_level(struct net_device *netdev) 904 { 905 struct be_adapter *adapter = netdev_priv(netdev); 906 907 if (lancer_chip(adapter)) { 908 dev_err(&adapter->pdev->dev, "Operation not supported\n"); 909 return -EOPNOTSUPP; 910 } 911 912 return adapter->msg_enable; 913 } 914 915 static void be_set_fw_log_level(struct be_adapter *adapter, u32 level) 916 { 917 struct be_dma_mem extfat_cmd; 918 struct be_fat_conf_params *cfgs; 919 int status; 920 int i, j; 921 922 memset(&extfat_cmd, 0, sizeof(struct be_dma_mem)); 923 extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps); 924 extfat_cmd.va = pci_alloc_consistent(adapter->pdev, extfat_cmd.size, 925 &extfat_cmd.dma); 926 if (!extfat_cmd.va) { 927 dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n", 928 __func__); 929 goto err; 930 } 931 status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd); 932 if (!status) { 933 cfgs = (struct be_fat_conf_params *)(extfat_cmd.va + 934 sizeof(struct be_cmd_resp_hdr)); 935 for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) { 936 u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes); 937 for (j = 0; j < num_modes; j++) { 938 if (cfgs->module[i].trace_lvl[j].mode == 939 MODE_UART) 940 cfgs->module[i].trace_lvl[j].dbg_lvl = 941 cpu_to_le32(level); 942 } 943 } 944 status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd, 945 cfgs); 946 if (status) 947 dev_err(&adapter->pdev->dev, 948 "Message level set failed\n"); 949 } else { 950 dev_err(&adapter->pdev->dev, "Message level get failed\n"); 951 } 952 953 pci_free_consistent(adapter->pdev, extfat_cmd.size, extfat_cmd.va, 954 extfat_cmd.dma); 955 err: 956 return; 957 } 958 959 static void be_set_msg_level(struct net_device *netdev, u32 level) 960 { 961 struct be_adapter *adapter = netdev_priv(netdev); 962 963 if (lancer_chip(adapter)) { 964 dev_err(&adapter->pdev->dev, "Operation not supported\n"); 965 return; 966 } 967 968 if (adapter->msg_enable == level) 969 return; 970 971 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW)) 972 be_set_fw_log_level(adapter, level & NETIF_MSG_HW ? 973 FW_LOG_LEVEL_DEFAULT : FW_LOG_LEVEL_FATAL); 974 adapter->msg_enable = level; 975 976 return; 977 } 978 979 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type) 980 { 981 u64 data = 0; 982 983 switch (flow_type) { 984 case TCP_V4_FLOW: 985 if (adapter->rss_flags & RSS_ENABLE_IPV4) 986 data |= RXH_IP_DST | RXH_IP_SRC; 987 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV4) 988 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 989 break; 990 case UDP_V4_FLOW: 991 if (adapter->rss_flags & RSS_ENABLE_IPV4) 992 data |= RXH_IP_DST | RXH_IP_SRC; 993 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV4) 994 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 995 break; 996 case TCP_V6_FLOW: 997 if (adapter->rss_flags & RSS_ENABLE_IPV6) 998 data |= RXH_IP_DST | RXH_IP_SRC; 999 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV6) 1000 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1001 break; 1002 case UDP_V6_FLOW: 1003 if (adapter->rss_flags & RSS_ENABLE_IPV6) 1004 data |= RXH_IP_DST | RXH_IP_SRC; 1005 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV6) 1006 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1007 break; 1008 } 1009 1010 return data; 1011 } 1012 1013 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1014 u32 *rule_locs) 1015 { 1016 struct be_adapter *adapter = netdev_priv(netdev); 1017 1018 if (!be_multi_rxq(adapter)) { 1019 dev_info(&adapter->pdev->dev, 1020 "ethtool::get_rxnfc: RX flow hashing is disabled\n"); 1021 return -EINVAL; 1022 } 1023 1024 switch (cmd->cmd) { 1025 case ETHTOOL_GRXFH: 1026 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type); 1027 break; 1028 case ETHTOOL_GRXRINGS: 1029 cmd->data = adapter->num_rx_qs - 1; 1030 break; 1031 default: 1032 return -EINVAL; 1033 } 1034 1035 return 0; 1036 } 1037 1038 static int be_set_rss_hash_opts(struct be_adapter *adapter, 1039 struct ethtool_rxnfc *cmd) 1040 { 1041 struct be_rx_obj *rxo; 1042 int status = 0, i, j; 1043 u8 rsstable[128]; 1044 u32 rss_flags = adapter->rss_flags; 1045 1046 if (cmd->data != L3_RSS_FLAGS && 1047 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1048 return -EINVAL; 1049 1050 switch (cmd->flow_type) { 1051 case TCP_V4_FLOW: 1052 if (cmd->data == L3_RSS_FLAGS) 1053 rss_flags &= ~RSS_ENABLE_TCP_IPV4; 1054 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1055 rss_flags |= RSS_ENABLE_IPV4 | 1056 RSS_ENABLE_TCP_IPV4; 1057 break; 1058 case TCP_V6_FLOW: 1059 if (cmd->data == L3_RSS_FLAGS) 1060 rss_flags &= ~RSS_ENABLE_TCP_IPV6; 1061 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1062 rss_flags |= RSS_ENABLE_IPV6 | 1063 RSS_ENABLE_TCP_IPV6; 1064 break; 1065 case UDP_V4_FLOW: 1066 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1067 BEx_chip(adapter)) 1068 return -EINVAL; 1069 1070 if (cmd->data == L3_RSS_FLAGS) 1071 rss_flags &= ~RSS_ENABLE_UDP_IPV4; 1072 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1073 rss_flags |= RSS_ENABLE_IPV4 | 1074 RSS_ENABLE_UDP_IPV4; 1075 break; 1076 case UDP_V6_FLOW: 1077 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1078 BEx_chip(adapter)) 1079 return -EINVAL; 1080 1081 if (cmd->data == L3_RSS_FLAGS) 1082 rss_flags &= ~RSS_ENABLE_UDP_IPV6; 1083 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1084 rss_flags |= RSS_ENABLE_IPV6 | 1085 RSS_ENABLE_UDP_IPV6; 1086 break; 1087 default: 1088 return -EINVAL; 1089 } 1090 1091 if (rss_flags == adapter->rss_flags) 1092 return status; 1093 1094 if (be_multi_rxq(adapter)) { 1095 for (j = 0; j < 128; j += adapter->num_rx_qs - 1) { 1096 for_all_rss_queues(adapter, rxo, i) { 1097 if ((j + i) >= 128) 1098 break; 1099 rsstable[j + i] = rxo->rss_id; 1100 } 1101 } 1102 } 1103 status = be_cmd_rss_config(adapter, rsstable, rss_flags, 128); 1104 if (!status) 1105 adapter->rss_flags = rss_flags; 1106 1107 return status; 1108 } 1109 1110 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1111 { 1112 struct be_adapter *adapter = netdev_priv(netdev); 1113 int status = 0; 1114 1115 if (!be_multi_rxq(adapter)) { 1116 dev_err(&adapter->pdev->dev, 1117 "ethtool::set_rxnfc: RX flow hashing is disabled\n"); 1118 return -EINVAL; 1119 } 1120 1121 switch (cmd->cmd) { 1122 case ETHTOOL_SRXFH: 1123 status = be_set_rss_hash_opts(adapter, cmd); 1124 break; 1125 default: 1126 return -EINVAL; 1127 } 1128 1129 return status; 1130 } 1131 1132 static void be_get_channels(struct net_device *netdev, 1133 struct ethtool_channels *ch) 1134 { 1135 struct be_adapter *adapter = netdev_priv(netdev); 1136 1137 ch->combined_count = adapter->num_evt_qs; 1138 ch->max_combined = be_max_qs(adapter); 1139 } 1140 1141 static int be_set_channels(struct net_device *netdev, 1142 struct ethtool_channels *ch) 1143 { 1144 struct be_adapter *adapter = netdev_priv(netdev); 1145 1146 if (ch->rx_count || ch->tx_count || ch->other_count || 1147 !ch->combined_count || ch->combined_count > be_max_qs(adapter)) 1148 return -EINVAL; 1149 1150 adapter->cfg_num_qs = ch->combined_count; 1151 1152 return be_update_queues(adapter); 1153 } 1154 1155 const struct ethtool_ops be_ethtool_ops = { 1156 .get_settings = be_get_settings, 1157 .get_drvinfo = be_get_drvinfo, 1158 .get_wol = be_get_wol, 1159 .set_wol = be_set_wol, 1160 .get_link = ethtool_op_get_link, 1161 .get_eeprom_len = be_get_eeprom_len, 1162 .get_eeprom = be_read_eeprom, 1163 .get_coalesce = be_get_coalesce, 1164 .set_coalesce = be_set_coalesce, 1165 .get_ringparam = be_get_ringparam, 1166 .get_pauseparam = be_get_pauseparam, 1167 .set_pauseparam = be_set_pauseparam, 1168 .get_strings = be_get_stat_strings, 1169 .set_phys_id = be_set_phys_id, 1170 .set_dump = be_set_dump, 1171 .get_msglevel = be_get_msg_level, 1172 .set_msglevel = be_set_msg_level, 1173 .get_sset_count = be_get_sset_count, 1174 .get_ethtool_stats = be_get_ethtool_stats, 1175 .get_regs_len = be_get_reg_len, 1176 .get_regs = be_get_regs, 1177 .flash_device = be_do_flash, 1178 .self_test = be_self_test, 1179 .get_rxnfc = be_get_rxnfc, 1180 .set_rxnfc = be_set_rxnfc, 1181 .get_channels = be_get_channels, 1182 .set_channels = be_set_channels 1183 }; 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