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