1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2005 - 2016 Broadcom 4 * All rights reserved. 5 * 6 * Contact Information: 7 * linux-drivers@emulex.com 8 * 9 * Emulex 10 * 3333 Susan Street 11 * Costa Mesa, CA 92626 12 */ 13 14 #include "be.h" 15 #include "be_cmds.h" 16 #include <linux/ethtool.h> 17 18 struct be_ethtool_stat { 19 char desc[ETH_GSTRING_LEN]; 20 int type; 21 int size; 22 int offset; 23 }; 24 25 enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT}; 26 #define FIELDINFO(_struct, field) sizeof_field(_struct, field), \ 27 offsetof(_struct, field) 28 #define DRVSTAT_TX_INFO(field) #field, DRVSTAT_TX,\ 29 FIELDINFO(struct be_tx_stats, field) 30 #define DRVSTAT_RX_INFO(field) #field, DRVSTAT_RX,\ 31 FIELDINFO(struct be_rx_stats, field) 32 #define DRVSTAT_INFO(field) #field, DRVSTAT,\ 33 FIELDINFO(struct be_drv_stats, field) 34 35 static const struct be_ethtool_stat et_stats[] = { 36 {DRVSTAT_INFO(rx_crc_errors)}, 37 {DRVSTAT_INFO(rx_alignment_symbol_errors)}, 38 {DRVSTAT_INFO(rx_pause_frames)}, 39 {DRVSTAT_INFO(rx_control_frames)}, 40 /* Received packets dropped when the Ethernet length field 41 * is not equal to the actual Ethernet data length. 42 */ 43 {DRVSTAT_INFO(rx_in_range_errors)}, 44 /* Received packets dropped when their length field is >= 1501 bytes 45 * and <= 1535 bytes. 46 */ 47 {DRVSTAT_INFO(rx_out_range_errors)}, 48 /* Received packets dropped when they are longer than 9216 bytes */ 49 {DRVSTAT_INFO(rx_frame_too_long)}, 50 /* Received packets dropped when they don't pass the unicast or 51 * multicast address filtering. 52 */ 53 {DRVSTAT_INFO(rx_address_filtered)}, 54 /* Received packets dropped when IP packet length field is less than 55 * the IP header length field. 56 */ 57 {DRVSTAT_INFO(rx_dropped_too_small)}, 58 /* Received packets dropped when IP length field is greater than 59 * the actual packet length. 60 */ 61 {DRVSTAT_INFO(rx_dropped_too_short)}, 62 /* Received packets dropped when the IP header length field is less 63 * than 5. 64 */ 65 {DRVSTAT_INFO(rx_dropped_header_too_small)}, 66 /* Received packets dropped when the TCP header length field is less 67 * than 5 or the TCP header length + IP header length is more 68 * than IP packet length. 69 */ 70 {DRVSTAT_INFO(rx_dropped_tcp_length)}, 71 {DRVSTAT_INFO(rx_dropped_runt)}, 72 /* Number of received packets dropped when a fifo for descriptors going 73 * into the packet demux block overflows. In normal operation, this 74 * fifo must never overflow. 75 */ 76 {DRVSTAT_INFO(rxpp_fifo_overflow_drop)}, 77 /* Received packets dropped when the RX block runs out of space in 78 * one of its input FIFOs. This could happen due a long burst of 79 * minimum-sized (64b) frames in the receive path. 80 * This counter may also be erroneously incremented rarely. 81 */ 82 {DRVSTAT_INFO(rx_input_fifo_overflow_drop)}, 83 {DRVSTAT_INFO(rx_ip_checksum_errs)}, 84 {DRVSTAT_INFO(rx_tcp_checksum_errs)}, 85 {DRVSTAT_INFO(rx_udp_checksum_errs)}, 86 {DRVSTAT_INFO(tx_pauseframes)}, 87 {DRVSTAT_INFO(tx_controlframes)}, 88 {DRVSTAT_INFO(rx_priority_pause_frames)}, 89 {DRVSTAT_INFO(tx_priority_pauseframes)}, 90 /* Received packets dropped when an internal fifo going into 91 * main packet buffer tank (PMEM) overflows. 92 */ 93 {DRVSTAT_INFO(pmem_fifo_overflow_drop)}, 94 {DRVSTAT_INFO(jabber_events)}, 95 /* Received packets dropped due to lack of available HW packet buffers 96 * used to temporarily hold the received packets. 97 */ 98 {DRVSTAT_INFO(rx_drops_no_pbuf)}, 99 /* Received packets dropped due to input receive buffer 100 * descriptor fifo overflowing. 101 */ 102 {DRVSTAT_INFO(rx_drops_no_erx_descr)}, 103 /* Packets dropped because the internal FIFO to the offloaded TCP 104 * receive processing block is full. This could happen only for 105 * offloaded iSCSI or FCoE trarffic. 106 */ 107 {DRVSTAT_INFO(rx_drops_no_tpre_descr)}, 108 /* Received packets dropped when they need more than 8 109 * receive buffers. This cannot happen as the driver configures 110 * 2048 byte receive buffers. 111 */ 112 {DRVSTAT_INFO(rx_drops_too_many_frags)}, 113 {DRVSTAT_INFO(forwarded_packets)}, 114 /* Received packets dropped when the frame length 115 * is more than 9018 bytes 116 */ 117 {DRVSTAT_INFO(rx_drops_mtu)}, 118 /* Number of dma mapping errors */ 119 {DRVSTAT_INFO(dma_map_errors)}, 120 /* Number of packets dropped due to random early drop function */ 121 {DRVSTAT_INFO(eth_red_drops)}, 122 {DRVSTAT_INFO(rx_roce_bytes_lsd)}, 123 {DRVSTAT_INFO(rx_roce_bytes_msd)}, 124 {DRVSTAT_INFO(rx_roce_frames)}, 125 {DRVSTAT_INFO(roce_drops_payload_len)}, 126 {DRVSTAT_INFO(roce_drops_crc)} 127 }; 128 129 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats) 130 131 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts 132 * are first and second members respectively. 133 */ 134 static const struct be_ethtool_stat et_rx_stats[] = { 135 {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */ 136 {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */ 137 {DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)}, 138 {DRVSTAT_RX_INFO(rx_compl)}, 139 {DRVSTAT_RX_INFO(rx_compl_err)}, 140 {DRVSTAT_RX_INFO(rx_mcast_pkts)}, 141 /* Number of page allocation failures while posting receive buffers 142 * to HW. 143 */ 144 {DRVSTAT_RX_INFO(rx_post_fail)}, 145 /* Recevied packets dropped due to skb allocation failure */ 146 {DRVSTAT_RX_INFO(rx_drops_no_skbs)}, 147 /* Received packets dropped due to lack of available fetched buffers 148 * posted by the driver. 149 */ 150 {DRVSTAT_RX_INFO(rx_drops_no_frags)} 151 }; 152 153 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats)) 154 155 /* Stats related to multi TX queues: get_stats routine assumes compl is the 156 * first member 157 */ 158 static const struct be_ethtool_stat et_tx_stats[] = { 159 {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */ 160 /* This counter is incremented when the HW encounters an error while 161 * parsing the packet header of an outgoing TX request. This counter is 162 * applicable only for BE2, BE3 and Skyhawk based adapters. 163 */ 164 {DRVSTAT_TX_INFO(tx_hdr_parse_err)}, 165 /* This counter is incremented when an error occurs in the DMA 166 * operation associated with the TX request from the host to the device. 167 */ 168 {DRVSTAT_TX_INFO(tx_dma_err)}, 169 /* This counter is incremented when MAC or VLAN spoof checking is 170 * enabled on the interface and the TX request fails the spoof check 171 * in HW. 172 */ 173 {DRVSTAT_TX_INFO(tx_spoof_check_err)}, 174 /* This counter is incremented when the HW encounters an error while 175 * performing TSO offload. This counter is applicable only for Lancer 176 * adapters. 177 */ 178 {DRVSTAT_TX_INFO(tx_tso_err)}, 179 /* This counter is incremented when the HW detects Q-in-Q style VLAN 180 * tagging in a packet and such tagging is not expected on the outgoing 181 * interface. This counter is applicable only for Lancer adapters. 182 */ 183 {DRVSTAT_TX_INFO(tx_qinq_err)}, 184 /* This counter is incremented when the HW detects parity errors in the 185 * packet data. This counter is applicable only for Lancer adapters. 186 */ 187 {DRVSTAT_TX_INFO(tx_internal_parity_err)}, 188 {DRVSTAT_TX_INFO(tx_sge_err)}, 189 {DRVSTAT_TX_INFO(tx_bytes)}, 190 {DRVSTAT_TX_INFO(tx_pkts)}, 191 {DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)}, 192 /* Number of skbs queued for trasmission by the driver */ 193 {DRVSTAT_TX_INFO(tx_reqs)}, 194 /* Number of times the TX queue was stopped due to lack 195 * of spaces in the TXQ. 196 */ 197 {DRVSTAT_TX_INFO(tx_stops)}, 198 /* Pkts dropped in the driver's transmit path */ 199 {DRVSTAT_TX_INFO(tx_drv_drops)} 200 }; 201 202 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats)) 203 204 static const char et_self_tests[][ETH_GSTRING_LEN] = { 205 "MAC Loopback test", 206 "PHY Loopback test", 207 "External Loopback test", 208 "DDR DMA test", 209 "Link test" 210 }; 211 212 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests) 213 #define BE_MAC_LOOPBACK 0x0 214 #define BE_PHY_LOOPBACK 0x1 215 #define BE_ONE_PORT_EXT_LOOPBACK 0x2 216 #define BE_NO_LOOPBACK 0xff 217 218 static void be_get_drvinfo(struct net_device *netdev, 219 struct ethtool_drvinfo *drvinfo) 220 { 221 struct be_adapter *adapter = netdev_priv(netdev); 222 223 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 224 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN)) 225 strlcpy(drvinfo->fw_version, adapter->fw_ver, 226 sizeof(drvinfo->fw_version)); 227 else 228 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 229 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash); 230 231 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 232 sizeof(drvinfo->bus_info)); 233 } 234 235 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name) 236 { 237 u32 data_read = 0, eof; 238 u8 addn_status; 239 struct be_dma_mem data_len_cmd; 240 241 memset(&data_len_cmd, 0, sizeof(data_len_cmd)); 242 /* data_offset and data_size should be 0 to get reg len */ 243 lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name, 244 &data_read, &eof, &addn_status); 245 246 return data_read; 247 } 248 249 static int be_get_dump_len(struct be_adapter *adapter) 250 { 251 u32 dump_size = 0; 252 253 if (lancer_chip(adapter)) 254 dump_size = lancer_cmd_get_file_len(adapter, 255 LANCER_FW_DUMP_FILE); 256 else 257 dump_size = adapter->fat_dump_len; 258 259 return dump_size; 260 } 261 262 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name, 263 u32 buf_len, void *buf) 264 { 265 struct be_dma_mem read_cmd; 266 u32 read_len = 0, total_read_len = 0, chunk_size; 267 u32 eof = 0; 268 u8 addn_status; 269 int status = 0; 270 271 read_cmd.size = LANCER_READ_FILE_CHUNK; 272 read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size, 273 &read_cmd.dma, GFP_ATOMIC); 274 275 if (!read_cmd.va) { 276 dev_err(&adapter->pdev->dev, 277 "Memory allocation failure while reading dump\n"); 278 return -ENOMEM; 279 } 280 281 while ((total_read_len < buf_len) && !eof) { 282 chunk_size = min_t(u32, (buf_len - total_read_len), 283 LANCER_READ_FILE_CHUNK); 284 chunk_size = ALIGN(chunk_size, 4); 285 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size, 286 total_read_len, file_name, 287 &read_len, &eof, &addn_status); 288 if (!status) { 289 memcpy(buf + total_read_len, read_cmd.va, read_len); 290 total_read_len += read_len; 291 eof &= LANCER_READ_FILE_EOF_MASK; 292 } else { 293 status = -EIO; 294 break; 295 } 296 } 297 dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va, 298 read_cmd.dma); 299 300 return status; 301 } 302 303 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len, 304 void *buf) 305 { 306 int status = 0; 307 308 if (lancer_chip(adapter)) 309 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE, 310 dump_len, buf); 311 else 312 status = be_cmd_get_fat_dump(adapter, dump_len, buf); 313 314 return status; 315 } 316 317 static int be_get_coalesce(struct net_device *netdev, 318 struct ethtool_coalesce *et, 319 struct kernel_ethtool_coalesce *kernel_coal, 320 struct netlink_ext_ack *extack) 321 { 322 struct be_adapter *adapter = netdev_priv(netdev); 323 struct be_aic_obj *aic = &adapter->aic_obj[0]; 324 325 et->rx_coalesce_usecs = aic->prev_eqd; 326 et->rx_coalesce_usecs_high = aic->max_eqd; 327 et->rx_coalesce_usecs_low = aic->min_eqd; 328 329 et->tx_coalesce_usecs = aic->prev_eqd; 330 et->tx_coalesce_usecs_high = aic->max_eqd; 331 et->tx_coalesce_usecs_low = aic->min_eqd; 332 333 et->use_adaptive_rx_coalesce = adapter->aic_enabled; 334 et->use_adaptive_tx_coalesce = adapter->aic_enabled; 335 336 return 0; 337 } 338 339 /* TX attributes are ignored. Only RX attributes are considered 340 * eqd cmd is issued in the worker thread. 341 */ 342 static int be_set_coalesce(struct net_device *netdev, 343 struct ethtool_coalesce *et, 344 struct kernel_ethtool_coalesce *kernel_coal, 345 struct netlink_ext_ack *extack) 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 adapter->aic_enabled = et->use_adaptive_rx_coalesce; 353 354 for_all_evt_queues(adapter, eqo, i) { 355 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD); 356 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd); 357 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd); 358 aic->et_eqd = max(aic->et_eqd, aic->min_eqd); 359 aic++; 360 } 361 362 /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled. 363 * When AIC is disabled, persistently force set EQD value via the 364 * FW cmd, so that we don't have to calculate the delay multiplier 365 * encode value each time EQ_DB is rung 366 */ 367 if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter)) 368 be_eqd_update(adapter, true); 369 370 return 0; 371 } 372 373 static void be_get_ethtool_stats(struct net_device *netdev, 374 struct ethtool_stats *stats, uint64_t *data) 375 { 376 struct be_adapter *adapter = netdev_priv(netdev); 377 struct be_rx_obj *rxo; 378 struct be_tx_obj *txo; 379 void *p; 380 unsigned int i, j, base = 0, start; 381 382 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 383 p = (u8 *)&adapter->drv_stats + et_stats[i].offset; 384 data[i] = *(u32 *)p; 385 } 386 base += ETHTOOL_STATS_NUM; 387 388 for_all_rx_queues(adapter, rxo, j) { 389 struct be_rx_stats *stats = rx_stats(rxo); 390 391 do { 392 start = u64_stats_fetch_begin_irq(&stats->sync); 393 data[base] = stats->rx_bytes; 394 data[base + 1] = stats->rx_pkts; 395 } while (u64_stats_fetch_retry_irq(&stats->sync, start)); 396 397 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) { 398 p = (u8 *)stats + et_rx_stats[i].offset; 399 data[base + i] = *(u32 *)p; 400 } 401 base += ETHTOOL_RXSTATS_NUM; 402 } 403 404 for_all_tx_queues(adapter, txo, j) { 405 struct be_tx_stats *stats = tx_stats(txo); 406 407 do { 408 start = u64_stats_fetch_begin_irq(&stats->sync_compl); 409 data[base] = stats->tx_compl; 410 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start)); 411 412 do { 413 start = u64_stats_fetch_begin_irq(&stats->sync); 414 for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) { 415 p = (u8 *)stats + et_tx_stats[i].offset; 416 data[base + i] = 417 (et_tx_stats[i].size == sizeof(u64)) ? 418 *(u64 *)p : *(u32 *)p; 419 } 420 } while (u64_stats_fetch_retry_irq(&stats->sync, start)); 421 base += ETHTOOL_TXSTATS_NUM; 422 } 423 } 424 425 static const char be_priv_flags[][ETH_GSTRING_LEN] = { 426 "disable-tpe-recovery" 427 }; 428 429 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset, 430 uint8_t *data) 431 { 432 struct be_adapter *adapter = netdev_priv(netdev); 433 int i, j; 434 435 switch (stringset) { 436 case ETH_SS_STATS: 437 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 438 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN); 439 data += ETH_GSTRING_LEN; 440 } 441 for (i = 0; i < adapter->num_rx_qs; i++) { 442 for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) { 443 sprintf(data, "rxq%d: %s", i, 444 et_rx_stats[j].desc); 445 data += ETH_GSTRING_LEN; 446 } 447 } 448 for (i = 0; i < adapter->num_tx_qs; i++) { 449 for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) { 450 sprintf(data, "txq%d: %s", i, 451 et_tx_stats[j].desc); 452 data += ETH_GSTRING_LEN; 453 } 454 } 455 break; 456 case ETH_SS_TEST: 457 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) { 458 memcpy(data, et_self_tests[i], ETH_GSTRING_LEN); 459 data += ETH_GSTRING_LEN; 460 } 461 break; 462 case ETH_SS_PRIV_FLAGS: 463 for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++) 464 strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]); 465 break; 466 } 467 } 468 469 static int be_get_sset_count(struct net_device *netdev, int stringset) 470 { 471 struct be_adapter *adapter = netdev_priv(netdev); 472 473 switch (stringset) { 474 case ETH_SS_TEST: 475 return ETHTOOL_TESTS_NUM; 476 case ETH_SS_STATS: 477 return ETHTOOL_STATS_NUM + 478 adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM + 479 adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM; 480 case ETH_SS_PRIV_FLAGS: 481 return ARRAY_SIZE(be_priv_flags); 482 default: 483 return -EINVAL; 484 } 485 } 486 487 static u32 be_get_port_type(struct be_adapter *adapter) 488 { 489 u32 port; 490 491 switch (adapter->phy.interface_type) { 492 case PHY_TYPE_BASET_1GB: 493 case PHY_TYPE_BASEX_1GB: 494 case PHY_TYPE_SGMII: 495 port = PORT_TP; 496 break; 497 case PHY_TYPE_SFP_PLUS_10GB: 498 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE) 499 port = PORT_DA; 500 else 501 port = PORT_FIBRE; 502 break; 503 case PHY_TYPE_QSFP: 504 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE) 505 port = PORT_DA; 506 else 507 port = PORT_FIBRE; 508 break; 509 case PHY_TYPE_XFP_10GB: 510 case PHY_TYPE_SFP_1GB: 511 port = PORT_FIBRE; 512 break; 513 case PHY_TYPE_BASET_10GB: 514 port = PORT_TP; 515 break; 516 default: 517 port = PORT_OTHER; 518 } 519 520 return port; 521 } 522 523 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds) 524 { 525 u32 val = 0; 526 527 switch (adapter->phy.interface_type) { 528 case PHY_TYPE_BASET_1GB: 529 case PHY_TYPE_BASEX_1GB: 530 case PHY_TYPE_SGMII: 531 val |= SUPPORTED_TP; 532 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 533 val |= SUPPORTED_1000baseT_Full; 534 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 535 val |= SUPPORTED_100baseT_Full; 536 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS) 537 val |= SUPPORTED_10baseT_Full; 538 break; 539 case PHY_TYPE_KX4_10GB: 540 val |= SUPPORTED_Backplane; 541 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 542 val |= SUPPORTED_1000baseKX_Full; 543 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 544 val |= SUPPORTED_10000baseKX4_Full; 545 break; 546 case PHY_TYPE_KR2_20GB: 547 val |= SUPPORTED_Backplane; 548 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 549 val |= SUPPORTED_10000baseKR_Full; 550 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS) 551 val |= SUPPORTED_20000baseKR2_Full; 552 break; 553 case PHY_TYPE_KR_10GB: 554 val |= SUPPORTED_Backplane | 555 SUPPORTED_10000baseKR_Full; 556 break; 557 case PHY_TYPE_KR4_40GB: 558 val |= SUPPORTED_Backplane; 559 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 560 val |= SUPPORTED_10000baseKR_Full; 561 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) 562 val |= SUPPORTED_40000baseKR4_Full; 563 break; 564 case PHY_TYPE_QSFP: 565 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) { 566 switch (adapter->phy.cable_type) { 567 case QSFP_PLUS_CR4_CABLE: 568 val |= SUPPORTED_40000baseCR4_Full; 569 break; 570 case QSFP_PLUS_LR4_CABLE: 571 val |= SUPPORTED_40000baseLR4_Full; 572 break; 573 default: 574 val |= SUPPORTED_40000baseSR4_Full; 575 break; 576 } 577 } 578 fallthrough; 579 case PHY_TYPE_SFP_PLUS_10GB: 580 case PHY_TYPE_XFP_10GB: 581 case PHY_TYPE_SFP_1GB: 582 val |= SUPPORTED_FIBRE; 583 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 584 val |= SUPPORTED_10000baseT_Full; 585 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 586 val |= SUPPORTED_1000baseT_Full; 587 break; 588 case PHY_TYPE_BASET_10GB: 589 val |= SUPPORTED_TP; 590 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 591 val |= SUPPORTED_10000baseT_Full; 592 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 593 val |= SUPPORTED_1000baseT_Full; 594 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 595 val |= SUPPORTED_100baseT_Full; 596 break; 597 default: 598 val |= SUPPORTED_TP; 599 } 600 601 return val; 602 } 603 604 bool be_pause_supported(struct be_adapter *adapter) 605 { 606 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB || 607 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ? 608 false : true; 609 } 610 611 static int be_get_link_ksettings(struct net_device *netdev, 612 struct ethtool_link_ksettings *cmd) 613 { 614 struct be_adapter *adapter = netdev_priv(netdev); 615 u8 link_status; 616 u16 link_speed = 0; 617 int status; 618 u32 auto_speeds; 619 u32 fixed_speeds; 620 u32 supported = 0, advertising = 0; 621 622 if (adapter->phy.link_speed < 0) { 623 status = be_cmd_link_status_query(adapter, &link_speed, 624 &link_status, 0); 625 if (!status) 626 be_link_status_update(adapter, link_status); 627 cmd->base.speed = link_speed; 628 629 status = be_cmd_get_phy_info(adapter); 630 if (!status) { 631 auto_speeds = adapter->phy.auto_speeds_supported; 632 fixed_speeds = adapter->phy.fixed_speeds_supported; 633 634 be_cmd_query_cable_type(adapter); 635 636 supported = 637 convert_to_et_setting(adapter, 638 auto_speeds | 639 fixed_speeds); 640 advertising = 641 convert_to_et_setting(adapter, auto_speeds); 642 643 cmd->base.port = be_get_port_type(adapter); 644 645 if (adapter->phy.auto_speeds_supported) { 646 supported |= SUPPORTED_Autoneg; 647 cmd->base.autoneg = AUTONEG_ENABLE; 648 advertising |= ADVERTISED_Autoneg; 649 } 650 651 supported |= SUPPORTED_Pause; 652 if (be_pause_supported(adapter)) 653 advertising |= ADVERTISED_Pause; 654 } else { 655 cmd->base.port = PORT_OTHER; 656 cmd->base.autoneg = AUTONEG_DISABLE; 657 } 658 659 /* Save for future use */ 660 adapter->phy.link_speed = cmd->base.speed; 661 adapter->phy.port_type = cmd->base.port; 662 adapter->phy.autoneg = cmd->base.autoneg; 663 adapter->phy.advertising = advertising; 664 adapter->phy.supported = supported; 665 } else { 666 cmd->base.speed = adapter->phy.link_speed; 667 cmd->base.port = adapter->phy.port_type; 668 cmd->base.autoneg = adapter->phy.autoneg; 669 advertising = adapter->phy.advertising; 670 supported = adapter->phy.supported; 671 } 672 673 cmd->base.duplex = netif_carrier_ok(netdev) ? 674 DUPLEX_FULL : DUPLEX_UNKNOWN; 675 cmd->base.phy_address = adapter->port_num; 676 677 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 678 supported); 679 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 680 advertising); 681 682 return 0; 683 } 684 685 static void be_get_ringparam(struct net_device *netdev, 686 struct ethtool_ringparam *ring, 687 struct kernel_ethtool_ringparam *kernel_ring, 688 struct netlink_ext_ack *extack) 689 { 690 struct be_adapter *adapter = netdev_priv(netdev); 691 692 ring->rx_max_pending = adapter->rx_obj[0].q.len; 693 ring->rx_pending = adapter->rx_obj[0].q.len; 694 ring->tx_max_pending = adapter->tx_obj[0].q.len; 695 ring->tx_pending = adapter->tx_obj[0].q.len; 696 } 697 698 static void 699 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 700 { 701 struct be_adapter *adapter = netdev_priv(netdev); 702 703 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause); 704 ecmd->autoneg = adapter->phy.fc_autoneg; 705 } 706 707 static int 708 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 709 { 710 struct be_adapter *adapter = netdev_priv(netdev); 711 int status; 712 713 if (ecmd->autoneg != adapter->phy.fc_autoneg) 714 return -EINVAL; 715 716 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause, 717 ecmd->rx_pause); 718 if (status) { 719 dev_warn(&adapter->pdev->dev, "Pause param set failed\n"); 720 return be_cmd_status(status); 721 } 722 723 adapter->tx_fc = ecmd->tx_pause; 724 adapter->rx_fc = ecmd->rx_pause; 725 return 0; 726 } 727 728 static int be_set_phys_id(struct net_device *netdev, 729 enum ethtool_phys_id_state state) 730 { 731 struct be_adapter *adapter = netdev_priv(netdev); 732 int status = 0; 733 734 switch (state) { 735 case ETHTOOL_ID_ACTIVE: 736 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num, 737 &adapter->beacon_state); 738 if (status) 739 return be_cmd_status(status); 740 return 1; /* cycle on/off once per second */ 741 742 case ETHTOOL_ID_ON: 743 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 744 0, 0, BEACON_STATE_ENABLED); 745 break; 746 747 case ETHTOOL_ID_OFF: 748 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 749 0, 0, BEACON_STATE_DISABLED); 750 break; 751 752 case ETHTOOL_ID_INACTIVE: 753 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 754 0, 0, adapter->beacon_state); 755 } 756 757 return be_cmd_status(status); 758 } 759 760 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump) 761 { 762 struct be_adapter *adapter = netdev_priv(netdev); 763 struct device *dev = &adapter->pdev->dev; 764 int status; 765 766 if (!lancer_chip(adapter) || 767 !check_privilege(adapter, MAX_PRIVILEGES)) 768 return -EOPNOTSUPP; 769 770 switch (dump->flag) { 771 case LANCER_INITIATE_FW_DUMP: 772 status = lancer_initiate_dump(adapter); 773 if (!status) 774 dev_info(dev, "FW dump initiated successfully\n"); 775 break; 776 case LANCER_DELETE_FW_DUMP: 777 status = lancer_delete_dump(adapter); 778 if (!status) 779 dev_info(dev, "FW dump deleted successfully\n"); 780 break; 781 default: 782 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag); 783 return -EINVAL; 784 } 785 return status; 786 } 787 788 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 789 { 790 struct be_adapter *adapter = netdev_priv(netdev); 791 792 if (adapter->wol_cap & BE_WOL_CAP) { 793 wol->supported |= WAKE_MAGIC; 794 if (adapter->wol_en) 795 wol->wolopts |= WAKE_MAGIC; 796 } else { 797 wol->wolopts = 0; 798 } 799 memset(&wol->sopass, 0, sizeof(wol->sopass)); 800 } 801 802 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 803 { 804 struct be_adapter *adapter = netdev_priv(netdev); 805 struct device *dev = &adapter->pdev->dev; 806 struct be_dma_mem cmd; 807 u8 mac[ETH_ALEN]; 808 bool enable; 809 int status; 810 811 if (wol->wolopts & ~WAKE_MAGIC) 812 return -EOPNOTSUPP; 813 814 if (!(adapter->wol_cap & BE_WOL_CAP)) { 815 dev_warn(&adapter->pdev->dev, "WOL not supported\n"); 816 return -EOPNOTSUPP; 817 } 818 819 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); 820 cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL); 821 if (!cmd.va) 822 return -ENOMEM; 823 824 eth_zero_addr(mac); 825 826 enable = wol->wolopts & WAKE_MAGIC; 827 if (enable) 828 ether_addr_copy(mac, adapter->netdev->dev_addr); 829 830 status = be_cmd_enable_magic_wol(adapter, mac, &cmd); 831 if (status) { 832 dev_err(dev, "Could not set Wake-on-lan mac address\n"); 833 status = be_cmd_status(status); 834 goto err; 835 } 836 837 pci_enable_wake(adapter->pdev, PCI_D3hot, enable); 838 pci_enable_wake(adapter->pdev, PCI_D3cold, enable); 839 840 adapter->wol_en = enable ? true : false; 841 842 err: 843 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma); 844 return status; 845 } 846 847 static int be_test_ddr_dma(struct be_adapter *adapter) 848 { 849 int ret, i; 850 struct be_dma_mem ddrdma_cmd; 851 static const u64 pattern[2] = { 852 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL 853 }; 854 855 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test); 856 ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, 857 ddrdma_cmd.size, &ddrdma_cmd.dma, 858 GFP_KERNEL); 859 if (!ddrdma_cmd.va) 860 return -ENOMEM; 861 862 for (i = 0; i < 2; i++) { 863 ret = be_cmd_ddr_dma_test(adapter, pattern[i], 864 4096, &ddrdma_cmd); 865 if (ret != 0) 866 goto err; 867 } 868 869 err: 870 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va, 871 ddrdma_cmd.dma); 872 return be_cmd_status(ret); 873 } 874 875 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type, 876 u64 *status) 877 { 878 int ret; 879 880 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 881 loopback_type, 1); 882 if (ret) 883 return ret; 884 885 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num, 886 loopback_type, 1500, 2, 0xabc); 887 888 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 889 BE_NO_LOOPBACK, 1); 890 if (ret) 891 return ret; 892 893 return *status; 894 } 895 896 static void be_self_test(struct net_device *netdev, struct ethtool_test *test, 897 u64 *data) 898 { 899 struct be_adapter *adapter = netdev_priv(netdev); 900 int status, cnt; 901 u8 link_status = 0; 902 903 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { 904 dev_err(&adapter->pdev->dev, "Self test not supported\n"); 905 test->flags |= ETH_TEST_FL_FAILED; 906 return; 907 } 908 909 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM); 910 911 /* check link status before offline tests */ 912 link_status = netif_carrier_ok(netdev); 913 914 if (test->flags & ETH_TEST_FL_OFFLINE) { 915 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0) 916 test->flags |= ETH_TEST_FL_FAILED; 917 918 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0) 919 test->flags |= ETH_TEST_FL_FAILED; 920 921 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) { 922 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK, 923 &data[2]) != 0) 924 test->flags |= ETH_TEST_FL_FAILED; 925 test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 926 } 927 } 928 929 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) { 930 data[3] = 1; 931 test->flags |= ETH_TEST_FL_FAILED; 932 } 933 934 /* link status was down prior to test */ 935 if (!link_status) { 936 test->flags |= ETH_TEST_FL_FAILED; 937 data[4] = 1; 938 return; 939 } 940 941 for (cnt = 10; cnt; cnt--) { 942 status = be_cmd_link_status_query(adapter, NULL, &link_status, 943 0); 944 if (status) { 945 test->flags |= ETH_TEST_FL_FAILED; 946 data[4] = -1; 947 break; 948 } 949 950 if (link_status) 951 break; 952 953 msleep_interruptible(500); 954 } 955 } 956 957 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) 958 { 959 struct be_adapter *adapter = netdev_priv(netdev); 960 961 return be_load_fw(adapter, efl->data); 962 } 963 964 static int 965 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) 966 { 967 struct be_adapter *adapter = netdev_priv(netdev); 968 969 if (!check_privilege(adapter, MAX_PRIVILEGES)) 970 return -EOPNOTSUPP; 971 972 dump->len = be_get_dump_len(adapter); 973 dump->version = 1; 974 dump->flag = 0x1; /* FW dump is enabled */ 975 return 0; 976 } 977 978 static int 979 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, 980 void *buf) 981 { 982 struct be_adapter *adapter = netdev_priv(netdev); 983 int status; 984 985 if (!check_privilege(adapter, MAX_PRIVILEGES)) 986 return -EOPNOTSUPP; 987 988 status = be_read_dump_data(adapter, dump->len, buf); 989 return be_cmd_status(status); 990 } 991 992 static int be_get_eeprom_len(struct net_device *netdev) 993 { 994 struct be_adapter *adapter = netdev_priv(netdev); 995 996 if (!check_privilege(adapter, MAX_PRIVILEGES)) 997 return 0; 998 999 if (lancer_chip(adapter)) { 1000 if (be_physfn(adapter)) 1001 return lancer_cmd_get_file_len(adapter, 1002 LANCER_VPD_PF_FILE); 1003 else 1004 return lancer_cmd_get_file_len(adapter, 1005 LANCER_VPD_VF_FILE); 1006 } else { 1007 return BE_READ_SEEPROM_LEN; 1008 } 1009 } 1010 1011 static int be_read_eeprom(struct net_device *netdev, 1012 struct ethtool_eeprom *eeprom, uint8_t *data) 1013 { 1014 struct be_adapter *adapter = netdev_priv(netdev); 1015 struct be_dma_mem eeprom_cmd; 1016 struct be_cmd_resp_seeprom_read *resp; 1017 int status; 1018 1019 if (!eeprom->len) 1020 return -EINVAL; 1021 1022 if (lancer_chip(adapter)) { 1023 if (be_physfn(adapter)) 1024 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE, 1025 eeprom->len, data); 1026 else 1027 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE, 1028 eeprom->len, data); 1029 } 1030 1031 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16); 1032 1033 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem)); 1034 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read); 1035 eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, 1036 eeprom_cmd.size, &eeprom_cmd.dma, 1037 GFP_KERNEL); 1038 1039 if (!eeprom_cmd.va) 1040 return -ENOMEM; 1041 1042 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd); 1043 1044 if (!status) { 1045 resp = eeprom_cmd.va; 1046 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len); 1047 } 1048 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va, 1049 eeprom_cmd.dma); 1050 1051 return be_cmd_status(status); 1052 } 1053 1054 static u32 be_get_msg_level(struct net_device *netdev) 1055 { 1056 struct be_adapter *adapter = netdev_priv(netdev); 1057 1058 return adapter->msg_enable; 1059 } 1060 1061 static void be_set_msg_level(struct net_device *netdev, u32 level) 1062 { 1063 struct be_adapter *adapter = netdev_priv(netdev); 1064 1065 if (adapter->msg_enable == level) 1066 return; 1067 1068 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW)) 1069 if (BEx_chip(adapter)) 1070 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ? 1071 FW_LOG_LEVEL_DEFAULT : 1072 FW_LOG_LEVEL_FATAL); 1073 adapter->msg_enable = level; 1074 } 1075 1076 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type) 1077 { 1078 u64 data = 0; 1079 1080 switch (flow_type) { 1081 case TCP_V4_FLOW: 1082 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1083 data |= RXH_IP_DST | RXH_IP_SRC; 1084 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4) 1085 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1086 break; 1087 case UDP_V4_FLOW: 1088 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1089 data |= RXH_IP_DST | RXH_IP_SRC; 1090 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4) 1091 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1092 break; 1093 case TCP_V6_FLOW: 1094 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1095 data |= RXH_IP_DST | RXH_IP_SRC; 1096 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6) 1097 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1098 break; 1099 case UDP_V6_FLOW: 1100 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1101 data |= RXH_IP_DST | RXH_IP_SRC; 1102 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6) 1103 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1104 break; 1105 } 1106 1107 return data; 1108 } 1109 1110 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1111 u32 *rule_locs) 1112 { 1113 struct be_adapter *adapter = netdev_priv(netdev); 1114 1115 if (!be_multi_rxq(adapter)) { 1116 dev_info(&adapter->pdev->dev, 1117 "ethtool::get_rxnfc: RX flow hashing is disabled\n"); 1118 return -EINVAL; 1119 } 1120 1121 switch (cmd->cmd) { 1122 case ETHTOOL_GRXFH: 1123 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type); 1124 break; 1125 case ETHTOOL_GRXRINGS: 1126 cmd->data = adapter->num_rx_qs; 1127 break; 1128 default: 1129 return -EINVAL; 1130 } 1131 1132 return 0; 1133 } 1134 1135 static int be_set_rss_hash_opts(struct be_adapter *adapter, 1136 struct ethtool_rxnfc *cmd) 1137 { 1138 int status; 1139 u32 rss_flags = adapter->rss_info.rss_flags; 1140 1141 if (cmd->data != L3_RSS_FLAGS && 1142 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1143 return -EINVAL; 1144 1145 switch (cmd->flow_type) { 1146 case TCP_V4_FLOW: 1147 if (cmd->data == L3_RSS_FLAGS) 1148 rss_flags &= ~RSS_ENABLE_TCP_IPV4; 1149 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1150 rss_flags |= RSS_ENABLE_IPV4 | 1151 RSS_ENABLE_TCP_IPV4; 1152 break; 1153 case TCP_V6_FLOW: 1154 if (cmd->data == L3_RSS_FLAGS) 1155 rss_flags &= ~RSS_ENABLE_TCP_IPV6; 1156 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1157 rss_flags |= RSS_ENABLE_IPV6 | 1158 RSS_ENABLE_TCP_IPV6; 1159 break; 1160 case UDP_V4_FLOW: 1161 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1162 BEx_chip(adapter)) 1163 return -EINVAL; 1164 1165 if (cmd->data == L3_RSS_FLAGS) 1166 rss_flags &= ~RSS_ENABLE_UDP_IPV4; 1167 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1168 rss_flags |= RSS_ENABLE_IPV4 | 1169 RSS_ENABLE_UDP_IPV4; 1170 break; 1171 case UDP_V6_FLOW: 1172 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1173 BEx_chip(adapter)) 1174 return -EINVAL; 1175 1176 if (cmd->data == L3_RSS_FLAGS) 1177 rss_flags &= ~RSS_ENABLE_UDP_IPV6; 1178 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1179 rss_flags |= RSS_ENABLE_IPV6 | 1180 RSS_ENABLE_UDP_IPV6; 1181 break; 1182 default: 1183 return -EINVAL; 1184 } 1185 1186 if (rss_flags == adapter->rss_info.rss_flags) 1187 return 0; 1188 1189 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable, 1190 rss_flags, RSS_INDIR_TABLE_LEN, 1191 adapter->rss_info.rss_hkey); 1192 if (!status) 1193 adapter->rss_info.rss_flags = rss_flags; 1194 1195 return be_cmd_status(status); 1196 } 1197 1198 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1199 { 1200 struct be_adapter *adapter = netdev_priv(netdev); 1201 int status = 0; 1202 1203 if (!be_multi_rxq(adapter)) { 1204 dev_err(&adapter->pdev->dev, 1205 "ethtool::set_rxnfc: RX flow hashing is disabled\n"); 1206 return -EINVAL; 1207 } 1208 1209 switch (cmd->cmd) { 1210 case ETHTOOL_SRXFH: 1211 status = be_set_rss_hash_opts(adapter, cmd); 1212 break; 1213 default: 1214 return -EINVAL; 1215 } 1216 1217 return status; 1218 } 1219 1220 static void be_get_channels(struct net_device *netdev, 1221 struct ethtool_channels *ch) 1222 { 1223 struct be_adapter *adapter = netdev_priv(netdev); 1224 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1); 1225 1226 /* num_tx_qs is always same as the number of irqs used for TX */ 1227 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs); 1228 ch->rx_count = num_rx_irqs - ch->combined_count; 1229 ch->tx_count = adapter->num_tx_qs - ch->combined_count; 1230 1231 ch->max_combined = be_max_qp_irqs(adapter); 1232 /* The user must create atleast one combined channel */ 1233 ch->max_rx = be_max_rx_irqs(adapter) - 1; 1234 ch->max_tx = be_max_tx_irqs(adapter) - 1; 1235 } 1236 1237 static int be_set_channels(struct net_device *netdev, 1238 struct ethtool_channels *ch) 1239 { 1240 struct be_adapter *adapter = netdev_priv(netdev); 1241 int status; 1242 1243 /* we support either only combined channels or a combination of 1244 * combined and either RX-only or TX-only channels. 1245 */ 1246 if (ch->other_count || !ch->combined_count || 1247 (ch->rx_count && ch->tx_count)) 1248 return -EINVAL; 1249 1250 if (ch->combined_count > be_max_qp_irqs(adapter) || 1251 (ch->rx_count && 1252 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) || 1253 (ch->tx_count && 1254 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter))) 1255 return -EINVAL; 1256 1257 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count; 1258 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count; 1259 1260 status = be_update_queues(adapter); 1261 return be_cmd_status(status); 1262 } 1263 1264 static u32 be_get_rxfh_indir_size(struct net_device *netdev) 1265 { 1266 return RSS_INDIR_TABLE_LEN; 1267 } 1268 1269 static u32 be_get_rxfh_key_size(struct net_device *netdev) 1270 { 1271 return RSS_HASH_KEY_LEN; 1272 } 1273 1274 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 1275 u8 *hfunc) 1276 { 1277 struct be_adapter *adapter = netdev_priv(netdev); 1278 int i; 1279 struct rss_info *rss = &adapter->rss_info; 1280 1281 if (indir) { 1282 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) 1283 indir[i] = rss->rss_queue[i]; 1284 } 1285 1286 if (hkey) 1287 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN); 1288 1289 if (hfunc) 1290 *hfunc = ETH_RSS_HASH_TOP; 1291 1292 return 0; 1293 } 1294 1295 static int be_set_rxfh(struct net_device *netdev, const u32 *indir, 1296 const u8 *hkey, const u8 hfunc) 1297 { 1298 int rc = 0, i, j; 1299 struct be_adapter *adapter = netdev_priv(netdev); 1300 u8 rsstable[RSS_INDIR_TABLE_LEN]; 1301 1302 /* We do not allow change in unsupported parameters */ 1303 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1304 return -EOPNOTSUPP; 1305 1306 if (indir) { 1307 struct be_rx_obj *rxo; 1308 1309 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) { 1310 j = indir[i]; 1311 rxo = &adapter->rx_obj[j]; 1312 rsstable[i] = rxo->rss_id; 1313 adapter->rss_info.rss_queue[i] = j; 1314 } 1315 } else { 1316 memcpy(rsstable, adapter->rss_info.rsstable, 1317 RSS_INDIR_TABLE_LEN); 1318 } 1319 1320 if (!hkey) 1321 hkey = adapter->rss_info.rss_hkey; 1322 1323 rc = be_cmd_rss_config(adapter, rsstable, 1324 adapter->rss_info.rss_flags, 1325 RSS_INDIR_TABLE_LEN, hkey); 1326 if (rc) { 1327 adapter->rss_info.rss_flags = RSS_ENABLE_NONE; 1328 return -EIO; 1329 } 1330 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN); 1331 memcpy(adapter->rss_info.rsstable, rsstable, 1332 RSS_INDIR_TABLE_LEN); 1333 return 0; 1334 } 1335 1336 static int be_get_module_info(struct net_device *netdev, 1337 struct ethtool_modinfo *modinfo) 1338 { 1339 struct be_adapter *adapter = netdev_priv(netdev); 1340 u8 page_data[PAGE_DATA_LEN]; 1341 int status; 1342 1343 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1344 return -EOPNOTSUPP; 1345 1346 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1347 page_data); 1348 if (!status) { 1349 if (!page_data[SFP_PLUS_SFF_8472_COMP]) { 1350 modinfo->type = ETH_MODULE_SFF_8079; 1351 modinfo->eeprom_len = PAGE_DATA_LEN; 1352 } else { 1353 modinfo->type = ETH_MODULE_SFF_8472; 1354 modinfo->eeprom_len = 2 * PAGE_DATA_LEN; 1355 } 1356 } 1357 return be_cmd_status(status); 1358 } 1359 1360 static int be_get_module_eeprom(struct net_device *netdev, 1361 struct ethtool_eeprom *eeprom, u8 *data) 1362 { 1363 struct be_adapter *adapter = netdev_priv(netdev); 1364 int status; 1365 1366 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1367 return -EOPNOTSUPP; 1368 1369 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1370 data); 1371 if (status) 1372 goto err; 1373 1374 if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) { 1375 status = be_cmd_read_port_transceiver_data(adapter, 1376 TR_PAGE_A2, 1377 data + 1378 PAGE_DATA_LEN); 1379 if (status) 1380 goto err; 1381 } 1382 if (eeprom->offset) 1383 memcpy(data, data + eeprom->offset, eeprom->len); 1384 err: 1385 return be_cmd_status(status); 1386 } 1387 1388 static u32 be_get_priv_flags(struct net_device *netdev) 1389 { 1390 struct be_adapter *adapter = netdev_priv(netdev); 1391 1392 return adapter->priv_flags; 1393 } 1394 1395 static int be_set_priv_flags(struct net_device *netdev, u32 flags) 1396 { 1397 struct be_adapter *adapter = netdev_priv(netdev); 1398 bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY); 1399 bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY); 1400 1401 if (tpe_old != tpe_new) { 1402 if (tpe_new) { 1403 adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY; 1404 dev_info(&adapter->pdev->dev, 1405 "HW error recovery is disabled\n"); 1406 } else { 1407 adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY; 1408 dev_info(&adapter->pdev->dev, 1409 "HW error recovery is enabled\n"); 1410 } 1411 } 1412 1413 return 0; 1414 } 1415 1416 const struct ethtool_ops be_ethtool_ops = { 1417 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 1418 ETHTOOL_COALESCE_USE_ADAPTIVE | 1419 ETHTOOL_COALESCE_USECS_LOW_HIGH, 1420 .get_drvinfo = be_get_drvinfo, 1421 .get_wol = be_get_wol, 1422 .set_wol = be_set_wol, 1423 .get_link = ethtool_op_get_link, 1424 .get_eeprom_len = be_get_eeprom_len, 1425 .get_eeprom = be_read_eeprom, 1426 .get_coalesce = be_get_coalesce, 1427 .set_coalesce = be_set_coalesce, 1428 .get_ringparam = be_get_ringparam, 1429 .get_pauseparam = be_get_pauseparam, 1430 .set_pauseparam = be_set_pauseparam, 1431 .set_priv_flags = be_set_priv_flags, 1432 .get_priv_flags = be_get_priv_flags, 1433 .get_strings = be_get_stat_strings, 1434 .set_phys_id = be_set_phys_id, 1435 .set_dump = be_set_dump, 1436 .get_msglevel = be_get_msg_level, 1437 .set_msglevel = be_set_msg_level, 1438 .get_sset_count = be_get_sset_count, 1439 .get_ethtool_stats = be_get_ethtool_stats, 1440 .flash_device = be_do_flash, 1441 .self_test = be_self_test, 1442 .get_rxnfc = be_get_rxnfc, 1443 .set_rxnfc = be_set_rxnfc, 1444 .get_rxfh_indir_size = be_get_rxfh_indir_size, 1445 .get_rxfh_key_size = be_get_rxfh_key_size, 1446 .get_rxfh = be_get_rxfh, 1447 .set_rxfh = be_set_rxfh, 1448 .get_dump_flag = be_get_dump_flag, 1449 .get_dump_data = be_get_dump_data, 1450 .get_channels = be_get_channels, 1451 .set_channels = be_set_channels, 1452 .get_module_info = be_get_module_info, 1453 .get_module_eeprom = be_get_module_eeprom, 1454 .get_link_ksettings = be_get_link_ksettings, 1455 }; 1456