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_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) 610 { 611 struct be_adapter *adapter = netdev_priv(netdev); 612 u8 link_status; 613 u16 link_speed = 0; 614 int status; 615 u32 auto_speeds; 616 u32 fixed_speeds; 617 618 if (adapter->phy.link_speed < 0) { 619 status = be_cmd_link_status_query(adapter, &link_speed, 620 &link_status, 0); 621 if (!status) 622 be_link_status_update(adapter, link_status); 623 ethtool_cmd_speed_set(ecmd, link_speed); 624 625 status = be_cmd_get_phy_info(adapter); 626 if (!status) { 627 auto_speeds = adapter->phy.auto_speeds_supported; 628 fixed_speeds = adapter->phy.fixed_speeds_supported; 629 630 be_cmd_query_cable_type(adapter); 631 632 ecmd->supported = 633 convert_to_et_setting(adapter, 634 auto_speeds | 635 fixed_speeds); 636 ecmd->advertising = 637 convert_to_et_setting(adapter, auto_speeds); 638 639 ecmd->port = be_get_port_type(adapter); 640 641 if (adapter->phy.auto_speeds_supported) { 642 ecmd->supported |= SUPPORTED_Autoneg; 643 ecmd->autoneg = AUTONEG_ENABLE; 644 ecmd->advertising |= ADVERTISED_Autoneg; 645 } 646 647 ecmd->supported |= SUPPORTED_Pause; 648 if (be_pause_supported(adapter)) 649 ecmd->advertising |= ADVERTISED_Pause; 650 651 switch (adapter->phy.interface_type) { 652 case PHY_TYPE_KR_10GB: 653 case PHY_TYPE_KX4_10GB: 654 ecmd->transceiver = XCVR_INTERNAL; 655 break; 656 default: 657 ecmd->transceiver = XCVR_EXTERNAL; 658 break; 659 } 660 } else { 661 ecmd->port = PORT_OTHER; 662 ecmd->autoneg = AUTONEG_DISABLE; 663 ecmd->transceiver = XCVR_DUMMY1; 664 } 665 666 /* Save for future use */ 667 adapter->phy.link_speed = ethtool_cmd_speed(ecmd); 668 adapter->phy.port_type = ecmd->port; 669 adapter->phy.transceiver = ecmd->transceiver; 670 adapter->phy.autoneg = ecmd->autoneg; 671 adapter->phy.advertising = ecmd->advertising; 672 adapter->phy.supported = ecmd->supported; 673 } else { 674 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed); 675 ecmd->port = adapter->phy.port_type; 676 ecmd->transceiver = adapter->phy.transceiver; 677 ecmd->autoneg = adapter->phy.autoneg; 678 ecmd->advertising = adapter->phy.advertising; 679 ecmd->supported = adapter->phy.supported; 680 } 681 682 ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN; 683 ecmd->phy_address = adapter->port_num; 684 685 return 0; 686 } 687 688 static void be_get_ringparam(struct net_device *netdev, 689 struct ethtool_ringparam *ring) 690 { 691 struct be_adapter *adapter = netdev_priv(netdev); 692 693 ring->rx_max_pending = adapter->rx_obj[0].q.len; 694 ring->rx_pending = adapter->rx_obj[0].q.len; 695 ring->tx_max_pending = adapter->tx_obj[0].q.len; 696 ring->tx_pending = adapter->tx_obj[0].q.len; 697 } 698 699 static void 700 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 701 { 702 struct be_adapter *adapter = netdev_priv(netdev); 703 704 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause); 705 ecmd->autoneg = adapter->phy.fc_autoneg; 706 } 707 708 static int 709 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 710 { 711 struct be_adapter *adapter = netdev_priv(netdev); 712 int status; 713 714 if (ecmd->autoneg != adapter->phy.fc_autoneg) 715 return -EINVAL; 716 717 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause, 718 ecmd->rx_pause); 719 if (status) { 720 dev_warn(&adapter->pdev->dev, "Pause param set failed\n"); 721 return be_cmd_status(status); 722 } 723 724 adapter->tx_fc = ecmd->tx_pause; 725 adapter->rx_fc = ecmd->rx_pause; 726 return 0; 727 } 728 729 static int be_set_phys_id(struct net_device *netdev, 730 enum ethtool_phys_id_state state) 731 { 732 struct be_adapter *adapter = netdev_priv(netdev); 733 int status = 0; 734 735 switch (state) { 736 case ETHTOOL_ID_ACTIVE: 737 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num, 738 &adapter->beacon_state); 739 if (status) 740 return be_cmd_status(status); 741 return 1; /* cycle on/off once per second */ 742 743 case ETHTOOL_ID_ON: 744 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 745 0, 0, BEACON_STATE_ENABLED); 746 break; 747 748 case ETHTOOL_ID_OFF: 749 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 750 0, 0, BEACON_STATE_DISABLED); 751 break; 752 753 case ETHTOOL_ID_INACTIVE: 754 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 755 0, 0, adapter->beacon_state); 756 } 757 758 return be_cmd_status(status); 759 } 760 761 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump) 762 { 763 struct be_adapter *adapter = netdev_priv(netdev); 764 struct device *dev = &adapter->pdev->dev; 765 int status; 766 767 if (!lancer_chip(adapter) || 768 !check_privilege(adapter, MAX_PRIVILEGES)) 769 return -EOPNOTSUPP; 770 771 switch (dump->flag) { 772 case LANCER_INITIATE_FW_DUMP: 773 status = lancer_initiate_dump(adapter); 774 if (!status) 775 dev_info(dev, "FW dump initiated successfully\n"); 776 break; 777 case LANCER_DELETE_FW_DUMP: 778 status = lancer_delete_dump(adapter); 779 if (!status) 780 dev_info(dev, "FW dump deleted successfully\n"); 781 break; 782 default: 783 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag); 784 return -EINVAL; 785 } 786 return status; 787 } 788 789 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 790 { 791 struct be_adapter *adapter = netdev_priv(netdev); 792 793 if (adapter->wol_cap & BE_WOL_CAP) { 794 wol->supported |= WAKE_MAGIC; 795 if (adapter->wol_en) 796 wol->wolopts |= WAKE_MAGIC; 797 } else { 798 wol->wolopts = 0; 799 } 800 memset(&wol->sopass, 0, sizeof(wol->sopass)); 801 } 802 803 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 804 { 805 struct be_adapter *adapter = netdev_priv(netdev); 806 struct device *dev = &adapter->pdev->dev; 807 struct be_dma_mem cmd; 808 u8 mac[ETH_ALEN]; 809 bool enable; 810 int status; 811 812 if (wol->wolopts & ~WAKE_MAGIC) 813 return -EOPNOTSUPP; 814 815 if (!(adapter->wol_cap & BE_WOL_CAP)) { 816 dev_warn(&adapter->pdev->dev, "WOL not supported\n"); 817 return -EOPNOTSUPP; 818 } 819 820 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); 821 cmd.va = dma_zalloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL); 822 if (!cmd.va) 823 return -ENOMEM; 824 825 eth_zero_addr(mac); 826 827 enable = wol->wolopts & WAKE_MAGIC; 828 if (enable) 829 ether_addr_copy(mac, adapter->netdev->dev_addr); 830 831 status = be_cmd_enable_magic_wol(adapter, mac, &cmd); 832 if (status) { 833 dev_err(dev, "Could not set Wake-on-lan mac address\n"); 834 status = be_cmd_status(status); 835 goto err; 836 } 837 838 pci_enable_wake(adapter->pdev, PCI_D3hot, enable); 839 pci_enable_wake(adapter->pdev, PCI_D3cold, enable); 840 841 adapter->wol_en = enable ? true : false; 842 843 err: 844 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma); 845 return status; 846 } 847 848 static int be_test_ddr_dma(struct be_adapter *adapter) 849 { 850 int ret, i; 851 struct be_dma_mem ddrdma_cmd; 852 static const u64 pattern[2] = { 853 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL 854 }; 855 856 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test); 857 ddrdma_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, 858 ddrdma_cmd.size, &ddrdma_cmd.dma, 859 GFP_KERNEL); 860 if (!ddrdma_cmd.va) 861 return -ENOMEM; 862 863 for (i = 0; i < 2; i++) { 864 ret = be_cmd_ddr_dma_test(adapter, pattern[i], 865 4096, &ddrdma_cmd); 866 if (ret != 0) 867 goto err; 868 } 869 870 err: 871 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va, 872 ddrdma_cmd.dma); 873 return be_cmd_status(ret); 874 } 875 876 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type, 877 u64 *status) 878 { 879 int ret; 880 881 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 882 loopback_type, 1); 883 if (ret) 884 return ret; 885 886 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num, 887 loopback_type, 1500, 2, 0xabc); 888 889 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 890 BE_NO_LOOPBACK, 1); 891 if (ret) 892 return ret; 893 894 return *status; 895 } 896 897 static void be_self_test(struct net_device *netdev, struct ethtool_test *test, 898 u64 *data) 899 { 900 struct be_adapter *adapter = netdev_priv(netdev); 901 int status; 902 u8 link_status = 0; 903 904 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { 905 dev_err(&adapter->pdev->dev, "Self test not supported\n"); 906 test->flags |= ETH_TEST_FL_FAILED; 907 return; 908 } 909 910 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM); 911 912 if (test->flags & ETH_TEST_FL_OFFLINE) { 913 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0) 914 test->flags |= ETH_TEST_FL_FAILED; 915 916 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0) 917 test->flags |= ETH_TEST_FL_FAILED; 918 919 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) { 920 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK, 921 &data[2]) != 0) 922 test->flags |= ETH_TEST_FL_FAILED; 923 test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 924 } 925 } 926 927 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) { 928 data[3] = 1; 929 test->flags |= ETH_TEST_FL_FAILED; 930 } 931 932 status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); 933 if (status) { 934 test->flags |= ETH_TEST_FL_FAILED; 935 data[4] = -1; 936 } else if (!link_status) { 937 test->flags |= ETH_TEST_FL_FAILED; 938 data[4] = 1; 939 } 940 } 941 942 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) 943 { 944 struct be_adapter *adapter = netdev_priv(netdev); 945 946 return be_load_fw(adapter, efl->data); 947 } 948 949 static int 950 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) 951 { 952 struct be_adapter *adapter = netdev_priv(netdev); 953 954 if (!check_privilege(adapter, MAX_PRIVILEGES)) 955 return -EOPNOTSUPP; 956 957 dump->len = be_get_dump_len(adapter); 958 dump->version = 1; 959 dump->flag = 0x1; /* FW dump is enabled */ 960 return 0; 961 } 962 963 static int 964 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, 965 void *buf) 966 { 967 struct be_adapter *adapter = netdev_priv(netdev); 968 int status; 969 970 if (!check_privilege(adapter, MAX_PRIVILEGES)) 971 return -EOPNOTSUPP; 972 973 status = be_read_dump_data(adapter, dump->len, buf); 974 return be_cmd_status(status); 975 } 976 977 static int be_get_eeprom_len(struct net_device *netdev) 978 { 979 struct be_adapter *adapter = netdev_priv(netdev); 980 981 if (!check_privilege(adapter, MAX_PRIVILEGES)) 982 return 0; 983 984 if (lancer_chip(adapter)) { 985 if (be_physfn(adapter)) 986 return lancer_cmd_get_file_len(adapter, 987 LANCER_VPD_PF_FILE); 988 else 989 return lancer_cmd_get_file_len(adapter, 990 LANCER_VPD_VF_FILE); 991 } else { 992 return BE_READ_SEEPROM_LEN; 993 } 994 } 995 996 static int be_read_eeprom(struct net_device *netdev, 997 struct ethtool_eeprom *eeprom, uint8_t *data) 998 { 999 struct be_adapter *adapter = netdev_priv(netdev); 1000 struct be_dma_mem eeprom_cmd; 1001 struct be_cmd_resp_seeprom_read *resp; 1002 int status; 1003 1004 if (!eeprom->len) 1005 return -EINVAL; 1006 1007 if (lancer_chip(adapter)) { 1008 if (be_physfn(adapter)) 1009 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE, 1010 eeprom->len, data); 1011 else 1012 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE, 1013 eeprom->len, data); 1014 } 1015 1016 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16); 1017 1018 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem)); 1019 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read); 1020 eeprom_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, 1021 eeprom_cmd.size, &eeprom_cmd.dma, 1022 GFP_KERNEL); 1023 1024 if (!eeprom_cmd.va) 1025 return -ENOMEM; 1026 1027 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd); 1028 1029 if (!status) { 1030 resp = eeprom_cmd.va; 1031 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len); 1032 } 1033 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va, 1034 eeprom_cmd.dma); 1035 1036 return be_cmd_status(status); 1037 } 1038 1039 static u32 be_get_msg_level(struct net_device *netdev) 1040 { 1041 struct be_adapter *adapter = netdev_priv(netdev); 1042 1043 return adapter->msg_enable; 1044 } 1045 1046 static void be_set_msg_level(struct net_device *netdev, u32 level) 1047 { 1048 struct be_adapter *adapter = netdev_priv(netdev); 1049 1050 if (adapter->msg_enable == level) 1051 return; 1052 1053 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW)) 1054 if (BEx_chip(adapter)) 1055 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ? 1056 FW_LOG_LEVEL_DEFAULT : 1057 FW_LOG_LEVEL_FATAL); 1058 adapter->msg_enable = level; 1059 } 1060 1061 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type) 1062 { 1063 u64 data = 0; 1064 1065 switch (flow_type) { 1066 case TCP_V4_FLOW: 1067 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1068 data |= RXH_IP_DST | RXH_IP_SRC; 1069 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4) 1070 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1071 break; 1072 case UDP_V4_FLOW: 1073 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1074 data |= RXH_IP_DST | RXH_IP_SRC; 1075 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4) 1076 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1077 break; 1078 case TCP_V6_FLOW: 1079 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1080 data |= RXH_IP_DST | RXH_IP_SRC; 1081 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6) 1082 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1083 break; 1084 case UDP_V6_FLOW: 1085 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1086 data |= RXH_IP_DST | RXH_IP_SRC; 1087 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6) 1088 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1089 break; 1090 } 1091 1092 return data; 1093 } 1094 1095 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1096 u32 *rule_locs) 1097 { 1098 struct be_adapter *adapter = netdev_priv(netdev); 1099 1100 if (!be_multi_rxq(adapter)) { 1101 dev_info(&adapter->pdev->dev, 1102 "ethtool::get_rxnfc: RX flow hashing is disabled\n"); 1103 return -EINVAL; 1104 } 1105 1106 switch (cmd->cmd) { 1107 case ETHTOOL_GRXFH: 1108 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type); 1109 break; 1110 case ETHTOOL_GRXRINGS: 1111 cmd->data = adapter->num_rx_qs - 1; 1112 break; 1113 default: 1114 return -EINVAL; 1115 } 1116 1117 return 0; 1118 } 1119 1120 static int be_set_rss_hash_opts(struct be_adapter *adapter, 1121 struct ethtool_rxnfc *cmd) 1122 { 1123 int status; 1124 u32 rss_flags = adapter->rss_info.rss_flags; 1125 1126 if (cmd->data != L3_RSS_FLAGS && 1127 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1128 return -EINVAL; 1129 1130 switch (cmd->flow_type) { 1131 case TCP_V4_FLOW: 1132 if (cmd->data == L3_RSS_FLAGS) 1133 rss_flags &= ~RSS_ENABLE_TCP_IPV4; 1134 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1135 rss_flags |= RSS_ENABLE_IPV4 | 1136 RSS_ENABLE_TCP_IPV4; 1137 break; 1138 case TCP_V6_FLOW: 1139 if (cmd->data == L3_RSS_FLAGS) 1140 rss_flags &= ~RSS_ENABLE_TCP_IPV6; 1141 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1142 rss_flags |= RSS_ENABLE_IPV6 | 1143 RSS_ENABLE_TCP_IPV6; 1144 break; 1145 case UDP_V4_FLOW: 1146 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1147 BEx_chip(adapter)) 1148 return -EINVAL; 1149 1150 if (cmd->data == L3_RSS_FLAGS) 1151 rss_flags &= ~RSS_ENABLE_UDP_IPV4; 1152 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1153 rss_flags |= RSS_ENABLE_IPV4 | 1154 RSS_ENABLE_UDP_IPV4; 1155 break; 1156 case UDP_V6_FLOW: 1157 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1158 BEx_chip(adapter)) 1159 return -EINVAL; 1160 1161 if (cmd->data == L3_RSS_FLAGS) 1162 rss_flags &= ~RSS_ENABLE_UDP_IPV6; 1163 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1164 rss_flags |= RSS_ENABLE_IPV6 | 1165 RSS_ENABLE_UDP_IPV6; 1166 break; 1167 default: 1168 return -EINVAL; 1169 } 1170 1171 if (rss_flags == adapter->rss_info.rss_flags) 1172 return 0; 1173 1174 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable, 1175 rss_flags, RSS_INDIR_TABLE_LEN, 1176 adapter->rss_info.rss_hkey); 1177 if (!status) 1178 adapter->rss_info.rss_flags = rss_flags; 1179 1180 return be_cmd_status(status); 1181 } 1182 1183 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1184 { 1185 struct be_adapter *adapter = netdev_priv(netdev); 1186 int status = 0; 1187 1188 if (!be_multi_rxq(adapter)) { 1189 dev_err(&adapter->pdev->dev, 1190 "ethtool::set_rxnfc: RX flow hashing is disabled\n"); 1191 return -EINVAL; 1192 } 1193 1194 switch (cmd->cmd) { 1195 case ETHTOOL_SRXFH: 1196 status = be_set_rss_hash_opts(adapter, cmd); 1197 break; 1198 default: 1199 return -EINVAL; 1200 } 1201 1202 return status; 1203 } 1204 1205 static void be_get_channels(struct net_device *netdev, 1206 struct ethtool_channels *ch) 1207 { 1208 struct be_adapter *adapter = netdev_priv(netdev); 1209 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1); 1210 1211 /* num_tx_qs is always same as the number of irqs used for TX */ 1212 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs); 1213 ch->rx_count = num_rx_irqs - ch->combined_count; 1214 ch->tx_count = adapter->num_tx_qs - ch->combined_count; 1215 1216 ch->max_combined = be_max_qp_irqs(adapter); 1217 /* The user must create atleast one combined channel */ 1218 ch->max_rx = be_max_rx_irqs(adapter) - 1; 1219 ch->max_tx = be_max_tx_irqs(adapter) - 1; 1220 } 1221 1222 static int be_set_channels(struct net_device *netdev, 1223 struct ethtool_channels *ch) 1224 { 1225 struct be_adapter *adapter = netdev_priv(netdev); 1226 int status; 1227 1228 /* we support either only combined channels or a combination of 1229 * combined and either RX-only or TX-only channels. 1230 */ 1231 if (ch->other_count || !ch->combined_count || 1232 (ch->rx_count && ch->tx_count)) 1233 return -EINVAL; 1234 1235 if (ch->combined_count > be_max_qp_irqs(adapter) || 1236 (ch->rx_count && 1237 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) || 1238 (ch->tx_count && 1239 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter))) 1240 return -EINVAL; 1241 1242 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count; 1243 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count; 1244 1245 status = be_update_queues(adapter); 1246 return be_cmd_status(status); 1247 } 1248 1249 static u32 be_get_rxfh_indir_size(struct net_device *netdev) 1250 { 1251 return RSS_INDIR_TABLE_LEN; 1252 } 1253 1254 static u32 be_get_rxfh_key_size(struct net_device *netdev) 1255 { 1256 return RSS_HASH_KEY_LEN; 1257 } 1258 1259 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 1260 u8 *hfunc) 1261 { 1262 struct be_adapter *adapter = netdev_priv(netdev); 1263 int i; 1264 struct rss_info *rss = &adapter->rss_info; 1265 1266 if (indir) { 1267 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) 1268 indir[i] = rss->rss_queue[i]; 1269 } 1270 1271 if (hkey) 1272 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN); 1273 1274 if (hfunc) 1275 *hfunc = ETH_RSS_HASH_TOP; 1276 1277 return 0; 1278 } 1279 1280 static int be_set_rxfh(struct net_device *netdev, const u32 *indir, 1281 const u8 *hkey, const u8 hfunc) 1282 { 1283 int rc = 0, i, j; 1284 struct be_adapter *adapter = netdev_priv(netdev); 1285 u8 rsstable[RSS_INDIR_TABLE_LEN]; 1286 1287 /* We do not allow change in unsupported parameters */ 1288 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1289 return -EOPNOTSUPP; 1290 1291 if (indir) { 1292 struct be_rx_obj *rxo; 1293 1294 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) { 1295 j = indir[i]; 1296 rxo = &adapter->rx_obj[j]; 1297 rsstable[i] = rxo->rss_id; 1298 adapter->rss_info.rss_queue[i] = j; 1299 } 1300 } else { 1301 memcpy(rsstable, adapter->rss_info.rsstable, 1302 RSS_INDIR_TABLE_LEN); 1303 } 1304 1305 if (!hkey) 1306 hkey = adapter->rss_info.rss_hkey; 1307 1308 rc = be_cmd_rss_config(adapter, rsstable, 1309 adapter->rss_info.rss_flags, 1310 RSS_INDIR_TABLE_LEN, hkey); 1311 if (rc) { 1312 adapter->rss_info.rss_flags = RSS_ENABLE_NONE; 1313 return -EIO; 1314 } 1315 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN); 1316 memcpy(adapter->rss_info.rsstable, rsstable, 1317 RSS_INDIR_TABLE_LEN); 1318 return 0; 1319 } 1320 1321 static int be_get_module_info(struct net_device *netdev, 1322 struct ethtool_modinfo *modinfo) 1323 { 1324 struct be_adapter *adapter = netdev_priv(netdev); 1325 u8 page_data[PAGE_DATA_LEN]; 1326 int status; 1327 1328 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1329 return -EOPNOTSUPP; 1330 1331 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1332 page_data); 1333 if (!status) { 1334 if (!page_data[SFP_PLUS_SFF_8472_COMP]) { 1335 modinfo->type = ETH_MODULE_SFF_8079; 1336 modinfo->eeprom_len = PAGE_DATA_LEN; 1337 } else { 1338 modinfo->type = ETH_MODULE_SFF_8472; 1339 modinfo->eeprom_len = 2 * PAGE_DATA_LEN; 1340 } 1341 } 1342 return be_cmd_status(status); 1343 } 1344 1345 static int be_get_module_eeprom(struct net_device *netdev, 1346 struct ethtool_eeprom *eeprom, u8 *data) 1347 { 1348 struct be_adapter *adapter = netdev_priv(netdev); 1349 int status; 1350 1351 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1352 return -EOPNOTSUPP; 1353 1354 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1355 data); 1356 if (status) 1357 goto err; 1358 1359 if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) { 1360 status = be_cmd_read_port_transceiver_data(adapter, 1361 TR_PAGE_A2, 1362 data + 1363 PAGE_DATA_LEN); 1364 if (status) 1365 goto err; 1366 } 1367 if (eeprom->offset) 1368 memcpy(data, data + eeprom->offset, eeprom->len); 1369 err: 1370 return be_cmd_status(status); 1371 } 1372 1373 static u32 be_get_priv_flags(struct net_device *netdev) 1374 { 1375 struct be_adapter *adapter = netdev_priv(netdev); 1376 1377 return adapter->priv_flags; 1378 } 1379 1380 static int be_set_priv_flags(struct net_device *netdev, u32 flags) 1381 { 1382 struct be_adapter *adapter = netdev_priv(netdev); 1383 bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY); 1384 bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY); 1385 1386 if (tpe_old != tpe_new) { 1387 if (tpe_new) { 1388 adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY; 1389 dev_info(&adapter->pdev->dev, 1390 "HW error recovery is disabled\n"); 1391 } else { 1392 adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY; 1393 dev_info(&adapter->pdev->dev, 1394 "HW error recovery is enabled\n"); 1395 } 1396 } 1397 1398 return 0; 1399 } 1400 1401 const struct ethtool_ops be_ethtool_ops = { 1402 .get_settings = be_get_settings, 1403 .get_drvinfo = be_get_drvinfo, 1404 .get_wol = be_get_wol, 1405 .set_wol = be_set_wol, 1406 .get_link = ethtool_op_get_link, 1407 .get_eeprom_len = be_get_eeprom_len, 1408 .get_eeprom = be_read_eeprom, 1409 .get_coalesce = be_get_coalesce, 1410 .set_coalesce = be_set_coalesce, 1411 .get_ringparam = be_get_ringparam, 1412 .get_pauseparam = be_get_pauseparam, 1413 .set_pauseparam = be_set_pauseparam, 1414 .set_priv_flags = be_set_priv_flags, 1415 .get_priv_flags = be_get_priv_flags, 1416 .get_strings = be_get_stat_strings, 1417 .set_phys_id = be_set_phys_id, 1418 .set_dump = be_set_dump, 1419 .get_msglevel = be_get_msg_level, 1420 .set_msglevel = be_set_msg_level, 1421 .get_sset_count = be_get_sset_count, 1422 .get_ethtool_stats = be_get_ethtool_stats, 1423 .flash_device = be_do_flash, 1424 .self_test = be_self_test, 1425 .get_rxnfc = be_get_rxnfc, 1426 .set_rxnfc = be_set_rxnfc, 1427 .get_rxfh_indir_size = be_get_rxfh_indir_size, 1428 .get_rxfh_key_size = be_get_rxfh_key_size, 1429 .get_rxfh = be_get_rxfh, 1430 .set_rxfh = be_set_rxfh, 1431 .get_dump_flag = be_get_dump_flag, 1432 .get_dump_data = be_get_dump_data, 1433 .get_channels = be_get_channels, 1434 .set_channels = be_set_channels, 1435 .get_module_info = be_get_module_info, 1436 .get_module_eeprom = be_get_module_eeprom 1437 }; 1438