1 /* 2 * Copyright (C) 2005 - 2016 Broadcom 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 /* Received packets dropped when the RX block runs out of space in 82 * one of its input FIFOs. This could happen due a long burst of 83 * minimum-sized (64b) frames in the receive path. 84 * This counter may also be erroneously incremented rarely. 85 */ 86 {DRVSTAT_INFO(rx_input_fifo_overflow_drop)}, 87 {DRVSTAT_INFO(rx_ip_checksum_errs)}, 88 {DRVSTAT_INFO(rx_tcp_checksum_errs)}, 89 {DRVSTAT_INFO(rx_udp_checksum_errs)}, 90 {DRVSTAT_INFO(tx_pauseframes)}, 91 {DRVSTAT_INFO(tx_controlframes)}, 92 {DRVSTAT_INFO(rx_priority_pause_frames)}, 93 {DRVSTAT_INFO(tx_priority_pauseframes)}, 94 /* Received packets dropped when an internal fifo going into 95 * main packet buffer tank (PMEM) overflows. 96 */ 97 {DRVSTAT_INFO(pmem_fifo_overflow_drop)}, 98 {DRVSTAT_INFO(jabber_events)}, 99 /* Received packets dropped due to lack of available HW packet buffers 100 * used to temporarily hold the received packets. 101 */ 102 {DRVSTAT_INFO(rx_drops_no_pbuf)}, 103 /* Received packets dropped due to input receive buffer 104 * descriptor fifo overflowing. 105 */ 106 {DRVSTAT_INFO(rx_drops_no_erx_descr)}, 107 /* Packets dropped because the internal FIFO to the offloaded TCP 108 * receive processing block is full. This could happen only for 109 * offloaded iSCSI or FCoE trarffic. 110 */ 111 {DRVSTAT_INFO(rx_drops_no_tpre_descr)}, 112 /* Received packets dropped when they need more than 8 113 * receive buffers. This cannot happen as the driver configures 114 * 2048 byte receive buffers. 115 */ 116 {DRVSTAT_INFO(rx_drops_too_many_frags)}, 117 {DRVSTAT_INFO(forwarded_packets)}, 118 /* Received packets dropped when the frame length 119 * is more than 9018 bytes 120 */ 121 {DRVSTAT_INFO(rx_drops_mtu)}, 122 /* Number of dma mapping errors */ 123 {DRVSTAT_INFO(dma_map_errors)}, 124 /* Number of packets dropped due to random early drop function */ 125 {DRVSTAT_INFO(eth_red_drops)}, 126 {DRVSTAT_INFO(rx_roce_bytes_lsd)}, 127 {DRVSTAT_INFO(rx_roce_bytes_msd)}, 128 {DRVSTAT_INFO(rx_roce_frames)}, 129 {DRVSTAT_INFO(roce_drops_payload_len)}, 130 {DRVSTAT_INFO(roce_drops_crc)} 131 }; 132 133 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats) 134 135 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts 136 * are first and second members respectively. 137 */ 138 static const struct be_ethtool_stat et_rx_stats[] = { 139 {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */ 140 {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */ 141 {DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)}, 142 {DRVSTAT_RX_INFO(rx_compl)}, 143 {DRVSTAT_RX_INFO(rx_compl_err)}, 144 {DRVSTAT_RX_INFO(rx_mcast_pkts)}, 145 /* Number of page allocation failures while posting receive buffers 146 * to HW. 147 */ 148 {DRVSTAT_RX_INFO(rx_post_fail)}, 149 /* Recevied packets dropped due to skb allocation failure */ 150 {DRVSTAT_RX_INFO(rx_drops_no_skbs)}, 151 /* Received packets dropped due to lack of available fetched buffers 152 * posted by the driver. 153 */ 154 {DRVSTAT_RX_INFO(rx_drops_no_frags)} 155 }; 156 157 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats)) 158 159 /* Stats related to multi TX queues: get_stats routine assumes compl is the 160 * first member 161 */ 162 static const struct be_ethtool_stat et_tx_stats[] = { 163 {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */ 164 /* This counter is incremented when the HW encounters an error while 165 * parsing the packet header of an outgoing TX request. This counter is 166 * applicable only for BE2, BE3 and Skyhawk based adapters. 167 */ 168 {DRVSTAT_TX_INFO(tx_hdr_parse_err)}, 169 /* This counter is incremented when an error occurs in the DMA 170 * operation associated with the TX request from the host to the device. 171 */ 172 {DRVSTAT_TX_INFO(tx_dma_err)}, 173 /* This counter is incremented when MAC or VLAN spoof checking is 174 * enabled on the interface and the TX request fails the spoof check 175 * in HW. 176 */ 177 {DRVSTAT_TX_INFO(tx_spoof_check_err)}, 178 /* This counter is incremented when the HW encounters an error while 179 * performing TSO offload. This counter is applicable only for Lancer 180 * adapters. 181 */ 182 {DRVSTAT_TX_INFO(tx_tso_err)}, 183 /* This counter is incremented when the HW detects Q-in-Q style VLAN 184 * tagging in a packet and such tagging is not expected on the outgoing 185 * interface. This counter is applicable only for Lancer adapters. 186 */ 187 {DRVSTAT_TX_INFO(tx_qinq_err)}, 188 /* This counter is incremented when the HW detects parity errors in the 189 * packet data. This counter is applicable only for Lancer adapters. 190 */ 191 {DRVSTAT_TX_INFO(tx_internal_parity_err)}, 192 {DRVSTAT_TX_INFO(tx_bytes)}, 193 {DRVSTAT_TX_INFO(tx_pkts)}, 194 {DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)}, 195 /* Number of skbs queued for trasmission by the driver */ 196 {DRVSTAT_TX_INFO(tx_reqs)}, 197 /* Number of times the TX queue was stopped due to lack 198 * of spaces in the TXQ. 199 */ 200 {DRVSTAT_TX_INFO(tx_stops)}, 201 /* Pkts dropped in the driver's transmit path */ 202 {DRVSTAT_TX_INFO(tx_drv_drops)} 203 }; 204 205 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats)) 206 207 static const char et_self_tests[][ETH_GSTRING_LEN] = { 208 "MAC Loopback test", 209 "PHY Loopback test", 210 "External Loopback test", 211 "DDR DMA test", 212 "Link test" 213 }; 214 215 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests) 216 #define BE_MAC_LOOPBACK 0x0 217 #define BE_PHY_LOOPBACK 0x1 218 #define BE_ONE_PORT_EXT_LOOPBACK 0x2 219 #define BE_NO_LOOPBACK 0xff 220 221 static void be_get_drvinfo(struct net_device *netdev, 222 struct ethtool_drvinfo *drvinfo) 223 { 224 struct be_adapter *adapter = netdev_priv(netdev); 225 226 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 227 strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version)); 228 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN)) 229 strlcpy(drvinfo->fw_version, adapter->fw_ver, 230 sizeof(drvinfo->fw_version)); 231 else 232 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 233 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash); 234 235 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 236 sizeof(drvinfo->bus_info)); 237 } 238 239 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name) 240 { 241 u32 data_read = 0, eof; 242 u8 addn_status; 243 struct be_dma_mem data_len_cmd; 244 245 memset(&data_len_cmd, 0, sizeof(data_len_cmd)); 246 /* data_offset and data_size should be 0 to get reg len */ 247 lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name, 248 &data_read, &eof, &addn_status); 249 250 return data_read; 251 } 252 253 static int be_get_dump_len(struct be_adapter *adapter) 254 { 255 u32 dump_size = 0; 256 257 if (lancer_chip(adapter)) 258 dump_size = lancer_cmd_get_file_len(adapter, 259 LANCER_FW_DUMP_FILE); 260 else 261 dump_size = adapter->fat_dump_len; 262 263 return dump_size; 264 } 265 266 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name, 267 u32 buf_len, void *buf) 268 { 269 struct be_dma_mem read_cmd; 270 u32 read_len = 0, total_read_len = 0, chunk_size; 271 u32 eof = 0; 272 u8 addn_status; 273 int status = 0; 274 275 read_cmd.size = LANCER_READ_FILE_CHUNK; 276 read_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, read_cmd.size, 277 &read_cmd.dma, GFP_ATOMIC); 278 279 if (!read_cmd.va) { 280 dev_err(&adapter->pdev->dev, 281 "Memory allocation failure while reading dump\n"); 282 return -ENOMEM; 283 } 284 285 while ((total_read_len < buf_len) && !eof) { 286 chunk_size = min_t(u32, (buf_len - total_read_len), 287 LANCER_READ_FILE_CHUNK); 288 chunk_size = ALIGN(chunk_size, 4); 289 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size, 290 total_read_len, file_name, 291 &read_len, &eof, &addn_status); 292 if (!status) { 293 memcpy(buf + total_read_len, read_cmd.va, read_len); 294 total_read_len += read_len; 295 eof &= LANCER_READ_FILE_EOF_MASK; 296 } else { 297 status = -EIO; 298 break; 299 } 300 } 301 dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va, 302 read_cmd.dma); 303 304 return status; 305 } 306 307 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len, 308 void *buf) 309 { 310 int status = 0; 311 312 if (lancer_chip(adapter)) 313 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE, 314 dump_len, buf); 315 else 316 status = be_cmd_get_fat_dump(adapter, dump_len, buf); 317 318 return status; 319 } 320 321 static int be_get_coalesce(struct net_device *netdev, 322 struct ethtool_coalesce *et) 323 { 324 struct be_adapter *adapter = netdev_priv(netdev); 325 struct be_aic_obj *aic = &adapter->aic_obj[0]; 326 327 et->rx_coalesce_usecs = aic->prev_eqd; 328 et->rx_coalesce_usecs_high = aic->max_eqd; 329 et->rx_coalesce_usecs_low = aic->min_eqd; 330 331 et->tx_coalesce_usecs = aic->prev_eqd; 332 et->tx_coalesce_usecs_high = aic->max_eqd; 333 et->tx_coalesce_usecs_low = aic->min_eqd; 334 335 et->use_adaptive_rx_coalesce = aic->enable; 336 et->use_adaptive_tx_coalesce = aic->enable; 337 338 return 0; 339 } 340 341 /* TX attributes are ignored. Only RX attributes are considered 342 * eqd cmd is issued in the worker thread. 343 */ 344 static int be_set_coalesce(struct net_device *netdev, 345 struct ethtool_coalesce *et) 346 { 347 struct be_adapter *adapter = netdev_priv(netdev); 348 struct be_aic_obj *aic = &adapter->aic_obj[0]; 349 struct be_eq_obj *eqo; 350 int i; 351 352 for_all_evt_queues(adapter, eqo, i) { 353 aic->enable = et->use_adaptive_rx_coalesce; 354 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD); 355 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd); 356 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd); 357 aic->et_eqd = max(aic->et_eqd, aic->min_eqd); 358 aic++; 359 } 360 361 /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled. 362 * When AIC is disabled, persistently force set EQD value via the 363 * FW cmd, so that we don't have to calculate the delay multiplier 364 * encode value each time EQ_DB is rung 365 */ 366 if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter)) 367 be_eqd_update(adapter, true); 368 369 return 0; 370 } 371 372 static void be_get_ethtool_stats(struct net_device *netdev, 373 struct ethtool_stats *stats, uint64_t *data) 374 { 375 struct be_adapter *adapter = netdev_priv(netdev); 376 struct be_rx_obj *rxo; 377 struct be_tx_obj *txo; 378 void *p; 379 unsigned int i, j, base = 0, start; 380 381 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 382 p = (u8 *)&adapter->drv_stats + et_stats[i].offset; 383 data[i] = *(u32 *)p; 384 } 385 base += ETHTOOL_STATS_NUM; 386 387 for_all_rx_queues(adapter, rxo, j) { 388 struct be_rx_stats *stats = rx_stats(rxo); 389 390 do { 391 start = u64_stats_fetch_begin_irq(&stats->sync); 392 data[base] = stats->rx_bytes; 393 data[base + 1] = stats->rx_pkts; 394 } while (u64_stats_fetch_retry_irq(&stats->sync, start)); 395 396 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) { 397 p = (u8 *)stats + et_rx_stats[i].offset; 398 data[base + i] = *(u32 *)p; 399 } 400 base += ETHTOOL_RXSTATS_NUM; 401 } 402 403 for_all_tx_queues(adapter, txo, j) { 404 struct be_tx_stats *stats = tx_stats(txo); 405 406 do { 407 start = u64_stats_fetch_begin_irq(&stats->sync_compl); 408 data[base] = stats->tx_compl; 409 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start)); 410 411 do { 412 start = u64_stats_fetch_begin_irq(&stats->sync); 413 for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) { 414 p = (u8 *)stats + et_tx_stats[i].offset; 415 data[base + i] = 416 (et_tx_stats[i].size == sizeof(u64)) ? 417 *(u64 *)p : *(u32 *)p; 418 } 419 } while (u64_stats_fetch_retry_irq(&stats->sync, start)); 420 base += ETHTOOL_TXSTATS_NUM; 421 } 422 } 423 424 static const char be_priv_flags[][ETH_GSTRING_LEN] = { 425 "disable-tpe-recovery" 426 }; 427 428 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset, 429 uint8_t *data) 430 { 431 struct be_adapter *adapter = netdev_priv(netdev); 432 int i, j; 433 434 switch (stringset) { 435 case ETH_SS_STATS: 436 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 437 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN); 438 data += ETH_GSTRING_LEN; 439 } 440 for (i = 0; i < adapter->num_rx_qs; i++) { 441 for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) { 442 sprintf(data, "rxq%d: %s", i, 443 et_rx_stats[j].desc); 444 data += ETH_GSTRING_LEN; 445 } 446 } 447 for (i = 0; i < adapter->num_tx_qs; i++) { 448 for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) { 449 sprintf(data, "txq%d: %s", i, 450 et_tx_stats[j].desc); 451 data += ETH_GSTRING_LEN; 452 } 453 } 454 break; 455 case ETH_SS_TEST: 456 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) { 457 memcpy(data, et_self_tests[i], ETH_GSTRING_LEN); 458 data += ETH_GSTRING_LEN; 459 } 460 break; 461 case ETH_SS_PRIV_FLAGS: 462 for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++) 463 strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]); 464 break; 465 } 466 } 467 468 static int be_get_sset_count(struct net_device *netdev, int stringset) 469 { 470 struct be_adapter *adapter = netdev_priv(netdev); 471 472 switch (stringset) { 473 case ETH_SS_TEST: 474 return ETHTOOL_TESTS_NUM; 475 case ETH_SS_STATS: 476 return ETHTOOL_STATS_NUM + 477 adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM + 478 adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM; 479 case ETH_SS_PRIV_FLAGS: 480 return ARRAY_SIZE(be_priv_flags); 481 default: 482 return -EINVAL; 483 } 484 } 485 486 static u32 be_get_port_type(struct be_adapter *adapter) 487 { 488 u32 port; 489 490 switch (adapter->phy.interface_type) { 491 case PHY_TYPE_BASET_1GB: 492 case PHY_TYPE_BASEX_1GB: 493 case PHY_TYPE_SGMII: 494 port = PORT_TP; 495 break; 496 case PHY_TYPE_SFP_PLUS_10GB: 497 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE) 498 port = PORT_DA; 499 else 500 port = PORT_FIBRE; 501 break; 502 case PHY_TYPE_QSFP: 503 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE) 504 port = PORT_DA; 505 else 506 port = PORT_FIBRE; 507 break; 508 case PHY_TYPE_XFP_10GB: 509 case PHY_TYPE_SFP_1GB: 510 port = PORT_FIBRE; 511 break; 512 case PHY_TYPE_BASET_10GB: 513 port = PORT_TP; 514 break; 515 default: 516 port = PORT_OTHER; 517 } 518 519 return port; 520 } 521 522 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds) 523 { 524 u32 val = 0; 525 526 switch (adapter->phy.interface_type) { 527 case PHY_TYPE_BASET_1GB: 528 case PHY_TYPE_BASEX_1GB: 529 case PHY_TYPE_SGMII: 530 val |= SUPPORTED_TP; 531 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 532 val |= SUPPORTED_1000baseT_Full; 533 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 534 val |= SUPPORTED_100baseT_Full; 535 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS) 536 val |= SUPPORTED_10baseT_Full; 537 break; 538 case PHY_TYPE_KX4_10GB: 539 val |= SUPPORTED_Backplane; 540 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 541 val |= SUPPORTED_1000baseKX_Full; 542 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 543 val |= SUPPORTED_10000baseKX4_Full; 544 break; 545 case PHY_TYPE_KR2_20GB: 546 val |= SUPPORTED_Backplane; 547 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 548 val |= SUPPORTED_10000baseKR_Full; 549 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS) 550 val |= SUPPORTED_20000baseKR2_Full; 551 break; 552 case PHY_TYPE_KR_10GB: 553 val |= SUPPORTED_Backplane | 554 SUPPORTED_10000baseKR_Full; 555 break; 556 case PHY_TYPE_KR4_40GB: 557 val |= SUPPORTED_Backplane; 558 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 559 val |= SUPPORTED_10000baseKR_Full; 560 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) 561 val |= SUPPORTED_40000baseKR4_Full; 562 break; 563 case PHY_TYPE_QSFP: 564 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) { 565 switch (adapter->phy.cable_type) { 566 case QSFP_PLUS_CR4_CABLE: 567 val |= SUPPORTED_40000baseCR4_Full; 568 break; 569 case QSFP_PLUS_LR4_CABLE: 570 val |= SUPPORTED_40000baseLR4_Full; 571 break; 572 default: 573 val |= SUPPORTED_40000baseSR4_Full; 574 break; 575 } 576 } 577 case PHY_TYPE_SFP_PLUS_10GB: 578 case PHY_TYPE_XFP_10GB: 579 case PHY_TYPE_SFP_1GB: 580 val |= SUPPORTED_FIBRE; 581 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 582 val |= SUPPORTED_10000baseT_Full; 583 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 584 val |= SUPPORTED_1000baseT_Full; 585 break; 586 case PHY_TYPE_BASET_10GB: 587 val |= SUPPORTED_TP; 588 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 589 val |= SUPPORTED_10000baseT_Full; 590 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 591 val |= SUPPORTED_1000baseT_Full; 592 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 593 val |= SUPPORTED_100baseT_Full; 594 break; 595 default: 596 val |= SUPPORTED_TP; 597 } 598 599 return val; 600 } 601 602 bool be_pause_supported(struct be_adapter *adapter) 603 { 604 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB || 605 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ? 606 false : true; 607 } 608 609 static int be_get_link_ksettings(struct net_device *netdev, 610 struct ethtool_link_ksettings *cmd) 611 { 612 struct be_adapter *adapter = netdev_priv(netdev); 613 u8 link_status; 614 u16 link_speed = 0; 615 int status; 616 u32 auto_speeds; 617 u32 fixed_speeds; 618 u32 supported = 0, advertising = 0; 619 620 if (adapter->phy.link_speed < 0) { 621 status = be_cmd_link_status_query(adapter, &link_speed, 622 &link_status, 0); 623 if (!status) 624 be_link_status_update(adapter, link_status); 625 cmd->base.speed = link_speed; 626 627 status = be_cmd_get_phy_info(adapter); 628 if (!status) { 629 auto_speeds = adapter->phy.auto_speeds_supported; 630 fixed_speeds = adapter->phy.fixed_speeds_supported; 631 632 be_cmd_query_cable_type(adapter); 633 634 supported = 635 convert_to_et_setting(adapter, 636 auto_speeds | 637 fixed_speeds); 638 advertising = 639 convert_to_et_setting(adapter, auto_speeds); 640 641 cmd->base.port = be_get_port_type(adapter); 642 643 if (adapter->phy.auto_speeds_supported) { 644 supported |= SUPPORTED_Autoneg; 645 cmd->base.autoneg = AUTONEG_ENABLE; 646 advertising |= ADVERTISED_Autoneg; 647 } 648 649 supported |= SUPPORTED_Pause; 650 if (be_pause_supported(adapter)) 651 advertising |= ADVERTISED_Pause; 652 } else { 653 cmd->base.port = PORT_OTHER; 654 cmd->base.autoneg = AUTONEG_DISABLE; 655 } 656 657 /* Save for future use */ 658 adapter->phy.link_speed = cmd->base.speed; 659 adapter->phy.port_type = cmd->base.port; 660 adapter->phy.autoneg = cmd->base.autoneg; 661 adapter->phy.advertising = advertising; 662 adapter->phy.supported = supported; 663 } else { 664 cmd->base.speed = adapter->phy.link_speed; 665 cmd->base.port = adapter->phy.port_type; 666 cmd->base.autoneg = adapter->phy.autoneg; 667 advertising = adapter->phy.advertising; 668 supported = adapter->phy.supported; 669 } 670 671 cmd->base.duplex = netif_carrier_ok(netdev) ? 672 DUPLEX_FULL : DUPLEX_UNKNOWN; 673 cmd->base.phy_address = adapter->port_num; 674 675 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 676 supported); 677 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 678 advertising); 679 680 return 0; 681 } 682 683 static void be_get_ringparam(struct net_device *netdev, 684 struct ethtool_ringparam *ring) 685 { 686 struct be_adapter *adapter = netdev_priv(netdev); 687 688 ring->rx_max_pending = adapter->rx_obj[0].q.len; 689 ring->rx_pending = adapter->rx_obj[0].q.len; 690 ring->tx_max_pending = adapter->tx_obj[0].q.len; 691 ring->tx_pending = adapter->tx_obj[0].q.len; 692 } 693 694 static void 695 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 696 { 697 struct be_adapter *adapter = netdev_priv(netdev); 698 699 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause); 700 ecmd->autoneg = adapter->phy.fc_autoneg; 701 } 702 703 static int 704 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 705 { 706 struct be_adapter *adapter = netdev_priv(netdev); 707 int status; 708 709 if (ecmd->autoneg != adapter->phy.fc_autoneg) 710 return -EINVAL; 711 712 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause, 713 ecmd->rx_pause); 714 if (status) { 715 dev_warn(&adapter->pdev->dev, "Pause param set failed\n"); 716 return be_cmd_status(status); 717 } 718 719 adapter->tx_fc = ecmd->tx_pause; 720 adapter->rx_fc = ecmd->rx_pause; 721 return 0; 722 } 723 724 static int be_set_phys_id(struct net_device *netdev, 725 enum ethtool_phys_id_state state) 726 { 727 struct be_adapter *adapter = netdev_priv(netdev); 728 int status = 0; 729 730 switch (state) { 731 case ETHTOOL_ID_ACTIVE: 732 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num, 733 &adapter->beacon_state); 734 if (status) 735 return be_cmd_status(status); 736 return 1; /* cycle on/off once per second */ 737 738 case ETHTOOL_ID_ON: 739 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 740 0, 0, BEACON_STATE_ENABLED); 741 break; 742 743 case ETHTOOL_ID_OFF: 744 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 745 0, 0, BEACON_STATE_DISABLED); 746 break; 747 748 case ETHTOOL_ID_INACTIVE: 749 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 750 0, 0, adapter->beacon_state); 751 } 752 753 return be_cmd_status(status); 754 } 755 756 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump) 757 { 758 struct be_adapter *adapter = netdev_priv(netdev); 759 struct device *dev = &adapter->pdev->dev; 760 int status; 761 762 if (!lancer_chip(adapter) || 763 !check_privilege(adapter, MAX_PRIVILEGES)) 764 return -EOPNOTSUPP; 765 766 switch (dump->flag) { 767 case LANCER_INITIATE_FW_DUMP: 768 status = lancer_initiate_dump(adapter); 769 if (!status) 770 dev_info(dev, "FW dump initiated successfully\n"); 771 break; 772 case LANCER_DELETE_FW_DUMP: 773 status = lancer_delete_dump(adapter); 774 if (!status) 775 dev_info(dev, "FW dump deleted successfully\n"); 776 break; 777 default: 778 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag); 779 return -EINVAL; 780 } 781 return status; 782 } 783 784 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 785 { 786 struct be_adapter *adapter = netdev_priv(netdev); 787 788 if (adapter->wol_cap & BE_WOL_CAP) { 789 wol->supported |= WAKE_MAGIC; 790 if (adapter->wol_en) 791 wol->wolopts |= WAKE_MAGIC; 792 } else { 793 wol->wolopts = 0; 794 } 795 memset(&wol->sopass, 0, sizeof(wol->sopass)); 796 } 797 798 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 799 { 800 struct be_adapter *adapter = netdev_priv(netdev); 801 struct device *dev = &adapter->pdev->dev; 802 struct be_dma_mem cmd; 803 u8 mac[ETH_ALEN]; 804 bool enable; 805 int status; 806 807 if (wol->wolopts & ~WAKE_MAGIC) 808 return -EOPNOTSUPP; 809 810 if (!(adapter->wol_cap & BE_WOL_CAP)) { 811 dev_warn(&adapter->pdev->dev, "WOL not supported\n"); 812 return -EOPNOTSUPP; 813 } 814 815 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); 816 cmd.va = dma_zalloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL); 817 if (!cmd.va) 818 return -ENOMEM; 819 820 eth_zero_addr(mac); 821 822 enable = wol->wolopts & WAKE_MAGIC; 823 if (enable) 824 ether_addr_copy(mac, adapter->netdev->dev_addr); 825 826 status = be_cmd_enable_magic_wol(adapter, mac, &cmd); 827 if (status) { 828 dev_err(dev, "Could not set Wake-on-lan mac address\n"); 829 status = be_cmd_status(status); 830 goto err; 831 } 832 833 pci_enable_wake(adapter->pdev, PCI_D3hot, enable); 834 pci_enable_wake(adapter->pdev, PCI_D3cold, enable); 835 836 adapter->wol_en = enable ? true : false; 837 838 err: 839 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma); 840 return status; 841 } 842 843 static int be_test_ddr_dma(struct be_adapter *adapter) 844 { 845 int ret, i; 846 struct be_dma_mem ddrdma_cmd; 847 static const u64 pattern[2] = { 848 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL 849 }; 850 851 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test); 852 ddrdma_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, 853 ddrdma_cmd.size, &ddrdma_cmd.dma, 854 GFP_KERNEL); 855 if (!ddrdma_cmd.va) 856 return -ENOMEM; 857 858 for (i = 0; i < 2; i++) { 859 ret = be_cmd_ddr_dma_test(adapter, pattern[i], 860 4096, &ddrdma_cmd); 861 if (ret != 0) 862 goto err; 863 } 864 865 err: 866 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va, 867 ddrdma_cmd.dma); 868 return be_cmd_status(ret); 869 } 870 871 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type, 872 u64 *status) 873 { 874 int ret; 875 876 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 877 loopback_type, 1); 878 if (ret) 879 return ret; 880 881 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num, 882 loopback_type, 1500, 2, 0xabc); 883 884 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 885 BE_NO_LOOPBACK, 1); 886 if (ret) 887 return ret; 888 889 return *status; 890 } 891 892 static void be_self_test(struct net_device *netdev, struct ethtool_test *test, 893 u64 *data) 894 { 895 struct be_adapter *adapter = netdev_priv(netdev); 896 int status; 897 u8 link_status = 0; 898 899 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { 900 dev_err(&adapter->pdev->dev, "Self test not supported\n"); 901 test->flags |= ETH_TEST_FL_FAILED; 902 return; 903 } 904 905 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM); 906 907 if (test->flags & ETH_TEST_FL_OFFLINE) { 908 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0) 909 test->flags |= ETH_TEST_FL_FAILED; 910 911 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0) 912 test->flags |= ETH_TEST_FL_FAILED; 913 914 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) { 915 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK, 916 &data[2]) != 0) 917 test->flags |= ETH_TEST_FL_FAILED; 918 test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 919 } 920 } 921 922 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) { 923 data[3] = 1; 924 test->flags |= ETH_TEST_FL_FAILED; 925 } 926 927 status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); 928 if (status) { 929 test->flags |= ETH_TEST_FL_FAILED; 930 data[4] = -1; 931 } else if (!link_status) { 932 test->flags |= ETH_TEST_FL_FAILED; 933 data[4] = 1; 934 } 935 } 936 937 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) 938 { 939 struct be_adapter *adapter = netdev_priv(netdev); 940 941 return be_load_fw(adapter, efl->data); 942 } 943 944 static int 945 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) 946 { 947 struct be_adapter *adapter = netdev_priv(netdev); 948 949 if (!check_privilege(adapter, MAX_PRIVILEGES)) 950 return -EOPNOTSUPP; 951 952 dump->len = be_get_dump_len(adapter); 953 dump->version = 1; 954 dump->flag = 0x1; /* FW dump is enabled */ 955 return 0; 956 } 957 958 static int 959 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, 960 void *buf) 961 { 962 struct be_adapter *adapter = netdev_priv(netdev); 963 int status; 964 965 if (!check_privilege(adapter, MAX_PRIVILEGES)) 966 return -EOPNOTSUPP; 967 968 status = be_read_dump_data(adapter, dump->len, buf); 969 return be_cmd_status(status); 970 } 971 972 static int be_get_eeprom_len(struct net_device *netdev) 973 { 974 struct be_adapter *adapter = netdev_priv(netdev); 975 976 if (!check_privilege(adapter, MAX_PRIVILEGES)) 977 return 0; 978 979 if (lancer_chip(adapter)) { 980 if (be_physfn(adapter)) 981 return lancer_cmd_get_file_len(adapter, 982 LANCER_VPD_PF_FILE); 983 else 984 return lancer_cmd_get_file_len(adapter, 985 LANCER_VPD_VF_FILE); 986 } else { 987 return BE_READ_SEEPROM_LEN; 988 } 989 } 990 991 static int be_read_eeprom(struct net_device *netdev, 992 struct ethtool_eeprom *eeprom, uint8_t *data) 993 { 994 struct be_adapter *adapter = netdev_priv(netdev); 995 struct be_dma_mem eeprom_cmd; 996 struct be_cmd_resp_seeprom_read *resp; 997 int status; 998 999 if (!eeprom->len) 1000 return -EINVAL; 1001 1002 if (lancer_chip(adapter)) { 1003 if (be_physfn(adapter)) 1004 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE, 1005 eeprom->len, data); 1006 else 1007 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE, 1008 eeprom->len, data); 1009 } 1010 1011 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16); 1012 1013 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem)); 1014 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read); 1015 eeprom_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, 1016 eeprom_cmd.size, &eeprom_cmd.dma, 1017 GFP_KERNEL); 1018 1019 if (!eeprom_cmd.va) 1020 return -ENOMEM; 1021 1022 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd); 1023 1024 if (!status) { 1025 resp = eeprom_cmd.va; 1026 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len); 1027 } 1028 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va, 1029 eeprom_cmd.dma); 1030 1031 return be_cmd_status(status); 1032 } 1033 1034 static u32 be_get_msg_level(struct net_device *netdev) 1035 { 1036 struct be_adapter *adapter = netdev_priv(netdev); 1037 1038 return adapter->msg_enable; 1039 } 1040 1041 static void be_set_msg_level(struct net_device *netdev, u32 level) 1042 { 1043 struct be_adapter *adapter = netdev_priv(netdev); 1044 1045 if (adapter->msg_enable == level) 1046 return; 1047 1048 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW)) 1049 if (BEx_chip(adapter)) 1050 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ? 1051 FW_LOG_LEVEL_DEFAULT : 1052 FW_LOG_LEVEL_FATAL); 1053 adapter->msg_enable = level; 1054 } 1055 1056 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type) 1057 { 1058 u64 data = 0; 1059 1060 switch (flow_type) { 1061 case TCP_V4_FLOW: 1062 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1063 data |= RXH_IP_DST | RXH_IP_SRC; 1064 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4) 1065 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1066 break; 1067 case UDP_V4_FLOW: 1068 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1069 data |= RXH_IP_DST | RXH_IP_SRC; 1070 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4) 1071 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1072 break; 1073 case TCP_V6_FLOW: 1074 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1075 data |= RXH_IP_DST | RXH_IP_SRC; 1076 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6) 1077 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1078 break; 1079 case UDP_V6_FLOW: 1080 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1081 data |= RXH_IP_DST | RXH_IP_SRC; 1082 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6) 1083 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1084 break; 1085 } 1086 1087 return data; 1088 } 1089 1090 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1091 u32 *rule_locs) 1092 { 1093 struct be_adapter *adapter = netdev_priv(netdev); 1094 1095 if (!be_multi_rxq(adapter)) { 1096 dev_info(&adapter->pdev->dev, 1097 "ethtool::get_rxnfc: RX flow hashing is disabled\n"); 1098 return -EINVAL; 1099 } 1100 1101 switch (cmd->cmd) { 1102 case ETHTOOL_GRXFH: 1103 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type); 1104 break; 1105 case ETHTOOL_GRXRINGS: 1106 cmd->data = adapter->num_rx_qs - 1; 1107 break; 1108 default: 1109 return -EINVAL; 1110 } 1111 1112 return 0; 1113 } 1114 1115 static int be_set_rss_hash_opts(struct be_adapter *adapter, 1116 struct ethtool_rxnfc *cmd) 1117 { 1118 int status; 1119 u32 rss_flags = adapter->rss_info.rss_flags; 1120 1121 if (cmd->data != L3_RSS_FLAGS && 1122 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1123 return -EINVAL; 1124 1125 switch (cmd->flow_type) { 1126 case TCP_V4_FLOW: 1127 if (cmd->data == L3_RSS_FLAGS) 1128 rss_flags &= ~RSS_ENABLE_TCP_IPV4; 1129 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1130 rss_flags |= RSS_ENABLE_IPV4 | 1131 RSS_ENABLE_TCP_IPV4; 1132 break; 1133 case TCP_V6_FLOW: 1134 if (cmd->data == L3_RSS_FLAGS) 1135 rss_flags &= ~RSS_ENABLE_TCP_IPV6; 1136 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1137 rss_flags |= RSS_ENABLE_IPV6 | 1138 RSS_ENABLE_TCP_IPV6; 1139 break; 1140 case UDP_V4_FLOW: 1141 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1142 BEx_chip(adapter)) 1143 return -EINVAL; 1144 1145 if (cmd->data == L3_RSS_FLAGS) 1146 rss_flags &= ~RSS_ENABLE_UDP_IPV4; 1147 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1148 rss_flags |= RSS_ENABLE_IPV4 | 1149 RSS_ENABLE_UDP_IPV4; 1150 break; 1151 case UDP_V6_FLOW: 1152 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1153 BEx_chip(adapter)) 1154 return -EINVAL; 1155 1156 if (cmd->data == L3_RSS_FLAGS) 1157 rss_flags &= ~RSS_ENABLE_UDP_IPV6; 1158 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1159 rss_flags |= RSS_ENABLE_IPV6 | 1160 RSS_ENABLE_UDP_IPV6; 1161 break; 1162 default: 1163 return -EINVAL; 1164 } 1165 1166 if (rss_flags == adapter->rss_info.rss_flags) 1167 return 0; 1168 1169 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable, 1170 rss_flags, RSS_INDIR_TABLE_LEN, 1171 adapter->rss_info.rss_hkey); 1172 if (!status) 1173 adapter->rss_info.rss_flags = rss_flags; 1174 1175 return be_cmd_status(status); 1176 } 1177 1178 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1179 { 1180 struct be_adapter *adapter = netdev_priv(netdev); 1181 int status = 0; 1182 1183 if (!be_multi_rxq(adapter)) { 1184 dev_err(&adapter->pdev->dev, 1185 "ethtool::set_rxnfc: RX flow hashing is disabled\n"); 1186 return -EINVAL; 1187 } 1188 1189 switch (cmd->cmd) { 1190 case ETHTOOL_SRXFH: 1191 status = be_set_rss_hash_opts(adapter, cmd); 1192 break; 1193 default: 1194 return -EINVAL; 1195 } 1196 1197 return status; 1198 } 1199 1200 static void be_get_channels(struct net_device *netdev, 1201 struct ethtool_channels *ch) 1202 { 1203 struct be_adapter *adapter = netdev_priv(netdev); 1204 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1); 1205 1206 /* num_tx_qs is always same as the number of irqs used for TX */ 1207 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs); 1208 ch->rx_count = num_rx_irqs - ch->combined_count; 1209 ch->tx_count = adapter->num_tx_qs - ch->combined_count; 1210 1211 ch->max_combined = be_max_qp_irqs(adapter); 1212 /* The user must create atleast one combined channel */ 1213 ch->max_rx = be_max_rx_irqs(adapter) - 1; 1214 ch->max_tx = be_max_tx_irqs(adapter) - 1; 1215 } 1216 1217 static int be_set_channels(struct net_device *netdev, 1218 struct ethtool_channels *ch) 1219 { 1220 struct be_adapter *adapter = netdev_priv(netdev); 1221 int status; 1222 1223 /* we support either only combined channels or a combination of 1224 * combined and either RX-only or TX-only channels. 1225 */ 1226 if (ch->other_count || !ch->combined_count || 1227 (ch->rx_count && ch->tx_count)) 1228 return -EINVAL; 1229 1230 if (ch->combined_count > be_max_qp_irqs(adapter) || 1231 (ch->rx_count && 1232 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) || 1233 (ch->tx_count && 1234 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter))) 1235 return -EINVAL; 1236 1237 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count; 1238 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count; 1239 1240 status = be_update_queues(adapter); 1241 return be_cmd_status(status); 1242 } 1243 1244 static u32 be_get_rxfh_indir_size(struct net_device *netdev) 1245 { 1246 return RSS_INDIR_TABLE_LEN; 1247 } 1248 1249 static u32 be_get_rxfh_key_size(struct net_device *netdev) 1250 { 1251 return RSS_HASH_KEY_LEN; 1252 } 1253 1254 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 1255 u8 *hfunc) 1256 { 1257 struct be_adapter *adapter = netdev_priv(netdev); 1258 int i; 1259 struct rss_info *rss = &adapter->rss_info; 1260 1261 if (indir) { 1262 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) 1263 indir[i] = rss->rss_queue[i]; 1264 } 1265 1266 if (hkey) 1267 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN); 1268 1269 if (hfunc) 1270 *hfunc = ETH_RSS_HASH_TOP; 1271 1272 return 0; 1273 } 1274 1275 static int be_set_rxfh(struct net_device *netdev, const u32 *indir, 1276 const u8 *hkey, const u8 hfunc) 1277 { 1278 int rc = 0, i, j; 1279 struct be_adapter *adapter = netdev_priv(netdev); 1280 u8 rsstable[RSS_INDIR_TABLE_LEN]; 1281 1282 /* We do not allow change in unsupported parameters */ 1283 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1284 return -EOPNOTSUPP; 1285 1286 if (indir) { 1287 struct be_rx_obj *rxo; 1288 1289 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) { 1290 j = indir[i]; 1291 rxo = &adapter->rx_obj[j]; 1292 rsstable[i] = rxo->rss_id; 1293 adapter->rss_info.rss_queue[i] = j; 1294 } 1295 } else { 1296 memcpy(rsstable, adapter->rss_info.rsstable, 1297 RSS_INDIR_TABLE_LEN); 1298 } 1299 1300 if (!hkey) 1301 hkey = adapter->rss_info.rss_hkey; 1302 1303 rc = be_cmd_rss_config(adapter, rsstable, 1304 adapter->rss_info.rss_flags, 1305 RSS_INDIR_TABLE_LEN, hkey); 1306 if (rc) { 1307 adapter->rss_info.rss_flags = RSS_ENABLE_NONE; 1308 return -EIO; 1309 } 1310 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN); 1311 memcpy(adapter->rss_info.rsstable, rsstable, 1312 RSS_INDIR_TABLE_LEN); 1313 return 0; 1314 } 1315 1316 static int be_get_module_info(struct net_device *netdev, 1317 struct ethtool_modinfo *modinfo) 1318 { 1319 struct be_adapter *adapter = netdev_priv(netdev); 1320 u8 page_data[PAGE_DATA_LEN]; 1321 int status; 1322 1323 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1324 return -EOPNOTSUPP; 1325 1326 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1327 page_data); 1328 if (!status) { 1329 if (!page_data[SFP_PLUS_SFF_8472_COMP]) { 1330 modinfo->type = ETH_MODULE_SFF_8079; 1331 modinfo->eeprom_len = PAGE_DATA_LEN; 1332 } else { 1333 modinfo->type = ETH_MODULE_SFF_8472; 1334 modinfo->eeprom_len = 2 * PAGE_DATA_LEN; 1335 } 1336 } 1337 return be_cmd_status(status); 1338 } 1339 1340 static int be_get_module_eeprom(struct net_device *netdev, 1341 struct ethtool_eeprom *eeprom, u8 *data) 1342 { 1343 struct be_adapter *adapter = netdev_priv(netdev); 1344 int status; 1345 1346 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1347 return -EOPNOTSUPP; 1348 1349 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1350 data); 1351 if (status) 1352 goto err; 1353 1354 if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) { 1355 status = be_cmd_read_port_transceiver_data(adapter, 1356 TR_PAGE_A2, 1357 data + 1358 PAGE_DATA_LEN); 1359 if (status) 1360 goto err; 1361 } 1362 if (eeprom->offset) 1363 memcpy(data, data + eeprom->offset, eeprom->len); 1364 err: 1365 return be_cmd_status(status); 1366 } 1367 1368 static u32 be_get_priv_flags(struct net_device *netdev) 1369 { 1370 struct be_adapter *adapter = netdev_priv(netdev); 1371 1372 return adapter->priv_flags; 1373 } 1374 1375 static int be_set_priv_flags(struct net_device *netdev, u32 flags) 1376 { 1377 struct be_adapter *adapter = netdev_priv(netdev); 1378 bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY); 1379 bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY); 1380 1381 if (tpe_old != tpe_new) { 1382 if (tpe_new) { 1383 adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY; 1384 dev_info(&adapter->pdev->dev, 1385 "HW error recovery is disabled\n"); 1386 } else { 1387 adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY; 1388 dev_info(&adapter->pdev->dev, 1389 "HW error recovery is enabled\n"); 1390 } 1391 } 1392 1393 return 0; 1394 } 1395 1396 const struct ethtool_ops be_ethtool_ops = { 1397 .get_drvinfo = be_get_drvinfo, 1398 .get_wol = be_get_wol, 1399 .set_wol = be_set_wol, 1400 .get_link = ethtool_op_get_link, 1401 .get_eeprom_len = be_get_eeprom_len, 1402 .get_eeprom = be_read_eeprom, 1403 .get_coalesce = be_get_coalesce, 1404 .set_coalesce = be_set_coalesce, 1405 .get_ringparam = be_get_ringparam, 1406 .get_pauseparam = be_get_pauseparam, 1407 .set_pauseparam = be_set_pauseparam, 1408 .set_priv_flags = be_set_priv_flags, 1409 .get_priv_flags = be_get_priv_flags, 1410 .get_strings = be_get_stat_strings, 1411 .set_phys_id = be_set_phys_id, 1412 .set_dump = be_set_dump, 1413 .get_msglevel = be_get_msg_level, 1414 .set_msglevel = be_set_msg_level, 1415 .get_sset_count = be_get_sset_count, 1416 .get_ethtool_stats = be_get_ethtool_stats, 1417 .flash_device = be_do_flash, 1418 .self_test = be_self_test, 1419 .get_rxnfc = be_get_rxnfc, 1420 .set_rxnfc = be_set_rxnfc, 1421 .get_rxfh_indir_size = be_get_rxfh_indir_size, 1422 .get_rxfh_key_size = be_get_rxfh_key_size, 1423 .get_rxfh = be_get_rxfh, 1424 .set_rxfh = be_set_rxfh, 1425 .get_dump_flag = be_get_dump_flag, 1426 .get_dump_data = be_get_dump_data, 1427 .get_channels = be_get_channels, 1428 .set_channels = be_set_channels, 1429 .get_module_info = be_get_module_info, 1430 .get_module_eeprom = be_get_module_eeprom, 1431 .get_link_ksettings = be_get_link_ksettings, 1432 }; 1433