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 strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version)); 225 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN)) 226 strlcpy(drvinfo->fw_version, adapter->fw_ver, 227 sizeof(drvinfo->fw_version)); 228 else 229 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 230 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash); 231 232 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 233 sizeof(drvinfo->bus_info)); 234 } 235 236 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name) 237 { 238 u32 data_read = 0, eof; 239 u8 addn_status; 240 struct be_dma_mem data_len_cmd; 241 242 memset(&data_len_cmd, 0, sizeof(data_len_cmd)); 243 /* data_offset and data_size should be 0 to get reg len */ 244 lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name, 245 &data_read, &eof, &addn_status); 246 247 return data_read; 248 } 249 250 static int be_get_dump_len(struct be_adapter *adapter) 251 { 252 u32 dump_size = 0; 253 254 if (lancer_chip(adapter)) 255 dump_size = lancer_cmd_get_file_len(adapter, 256 LANCER_FW_DUMP_FILE); 257 else 258 dump_size = adapter->fat_dump_len; 259 260 return dump_size; 261 } 262 263 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name, 264 u32 buf_len, void *buf) 265 { 266 struct be_dma_mem read_cmd; 267 u32 read_len = 0, total_read_len = 0, chunk_size; 268 u32 eof = 0; 269 u8 addn_status; 270 int status = 0; 271 272 read_cmd.size = LANCER_READ_FILE_CHUNK; 273 read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size, 274 &read_cmd.dma, GFP_ATOMIC); 275 276 if (!read_cmd.va) { 277 dev_err(&adapter->pdev->dev, 278 "Memory allocation failure while reading dump\n"); 279 return -ENOMEM; 280 } 281 282 while ((total_read_len < buf_len) && !eof) { 283 chunk_size = min_t(u32, (buf_len - total_read_len), 284 LANCER_READ_FILE_CHUNK); 285 chunk_size = ALIGN(chunk_size, 4); 286 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size, 287 total_read_len, file_name, 288 &read_len, &eof, &addn_status); 289 if (!status) { 290 memcpy(buf + total_read_len, read_cmd.va, read_len); 291 total_read_len += read_len; 292 eof &= LANCER_READ_FILE_EOF_MASK; 293 } else { 294 status = -EIO; 295 break; 296 } 297 } 298 dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va, 299 read_cmd.dma); 300 301 return status; 302 } 303 304 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len, 305 void *buf) 306 { 307 int status = 0; 308 309 if (lancer_chip(adapter)) 310 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE, 311 dump_len, buf); 312 else 313 status = be_cmd_get_fat_dump(adapter, dump_len, buf); 314 315 return status; 316 } 317 318 static int be_get_coalesce(struct net_device *netdev, 319 struct ethtool_coalesce *et) 320 { 321 struct be_adapter *adapter = netdev_priv(netdev); 322 struct be_aic_obj *aic = &adapter->aic_obj[0]; 323 324 et->rx_coalesce_usecs = aic->prev_eqd; 325 et->rx_coalesce_usecs_high = aic->max_eqd; 326 et->rx_coalesce_usecs_low = aic->min_eqd; 327 328 et->tx_coalesce_usecs = aic->prev_eqd; 329 et->tx_coalesce_usecs_high = aic->max_eqd; 330 et->tx_coalesce_usecs_low = aic->min_eqd; 331 332 et->use_adaptive_rx_coalesce = adapter->aic_enabled; 333 et->use_adaptive_tx_coalesce = adapter->aic_enabled; 334 335 return 0; 336 } 337 338 /* TX attributes are ignored. Only RX attributes are considered 339 * eqd cmd is issued in the worker thread. 340 */ 341 static int be_set_coalesce(struct net_device *netdev, 342 struct ethtool_coalesce *et) 343 { 344 struct be_adapter *adapter = netdev_priv(netdev); 345 struct be_aic_obj *aic = &adapter->aic_obj[0]; 346 struct be_eq_obj *eqo; 347 int i; 348 349 adapter->aic_enabled = et->use_adaptive_rx_coalesce; 350 351 for_all_evt_queues(adapter, eqo, i) { 352 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD); 353 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd); 354 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd); 355 aic->et_eqd = max(aic->et_eqd, aic->min_eqd); 356 aic++; 357 } 358 359 /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled. 360 * When AIC is disabled, persistently force set EQD value via the 361 * FW cmd, so that we don't have to calculate the delay multiplier 362 * encode value each time EQ_DB is rung 363 */ 364 if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter)) 365 be_eqd_update(adapter, true); 366 367 return 0; 368 } 369 370 static void be_get_ethtool_stats(struct net_device *netdev, 371 struct ethtool_stats *stats, uint64_t *data) 372 { 373 struct be_adapter *adapter = netdev_priv(netdev); 374 struct be_rx_obj *rxo; 375 struct be_tx_obj *txo; 376 void *p; 377 unsigned int i, j, base = 0, start; 378 379 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 380 p = (u8 *)&adapter->drv_stats + et_stats[i].offset; 381 data[i] = *(u32 *)p; 382 } 383 base += ETHTOOL_STATS_NUM; 384 385 for_all_rx_queues(adapter, rxo, j) { 386 struct be_rx_stats *stats = rx_stats(rxo); 387 388 do { 389 start = u64_stats_fetch_begin_irq(&stats->sync); 390 data[base] = stats->rx_bytes; 391 data[base + 1] = stats->rx_pkts; 392 } while (u64_stats_fetch_retry_irq(&stats->sync, start)); 393 394 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) { 395 p = (u8 *)stats + et_rx_stats[i].offset; 396 data[base + i] = *(u32 *)p; 397 } 398 base += ETHTOOL_RXSTATS_NUM; 399 } 400 401 for_all_tx_queues(adapter, txo, j) { 402 struct be_tx_stats *stats = tx_stats(txo); 403 404 do { 405 start = u64_stats_fetch_begin_irq(&stats->sync_compl); 406 data[base] = stats->tx_compl; 407 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start)); 408 409 do { 410 start = u64_stats_fetch_begin_irq(&stats->sync); 411 for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) { 412 p = (u8 *)stats + et_tx_stats[i].offset; 413 data[base + i] = 414 (et_tx_stats[i].size == sizeof(u64)) ? 415 *(u64 *)p : *(u32 *)p; 416 } 417 } while (u64_stats_fetch_retry_irq(&stats->sync, start)); 418 base += ETHTOOL_TXSTATS_NUM; 419 } 420 } 421 422 static const char be_priv_flags[][ETH_GSTRING_LEN] = { 423 "disable-tpe-recovery" 424 }; 425 426 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset, 427 uint8_t *data) 428 { 429 struct be_adapter *adapter = netdev_priv(netdev); 430 int i, j; 431 432 switch (stringset) { 433 case ETH_SS_STATS: 434 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 435 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN); 436 data += ETH_GSTRING_LEN; 437 } 438 for (i = 0; i < adapter->num_rx_qs; i++) { 439 for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) { 440 sprintf(data, "rxq%d: %s", i, 441 et_rx_stats[j].desc); 442 data += ETH_GSTRING_LEN; 443 } 444 } 445 for (i = 0; i < adapter->num_tx_qs; i++) { 446 for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) { 447 sprintf(data, "txq%d: %s", i, 448 et_tx_stats[j].desc); 449 data += ETH_GSTRING_LEN; 450 } 451 } 452 break; 453 case ETH_SS_TEST: 454 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) { 455 memcpy(data, et_self_tests[i], ETH_GSTRING_LEN); 456 data += ETH_GSTRING_LEN; 457 } 458 break; 459 case ETH_SS_PRIV_FLAGS: 460 for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++) 461 strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]); 462 break; 463 } 464 } 465 466 static int be_get_sset_count(struct net_device *netdev, int stringset) 467 { 468 struct be_adapter *adapter = netdev_priv(netdev); 469 470 switch (stringset) { 471 case ETH_SS_TEST: 472 return ETHTOOL_TESTS_NUM; 473 case ETH_SS_STATS: 474 return ETHTOOL_STATS_NUM + 475 adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM + 476 adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM; 477 case ETH_SS_PRIV_FLAGS: 478 return ARRAY_SIZE(be_priv_flags); 479 default: 480 return -EINVAL; 481 } 482 } 483 484 static u32 be_get_port_type(struct be_adapter *adapter) 485 { 486 u32 port; 487 488 switch (adapter->phy.interface_type) { 489 case PHY_TYPE_BASET_1GB: 490 case PHY_TYPE_BASEX_1GB: 491 case PHY_TYPE_SGMII: 492 port = PORT_TP; 493 break; 494 case PHY_TYPE_SFP_PLUS_10GB: 495 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE) 496 port = PORT_DA; 497 else 498 port = PORT_FIBRE; 499 break; 500 case PHY_TYPE_QSFP: 501 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE) 502 port = PORT_DA; 503 else 504 port = PORT_FIBRE; 505 break; 506 case PHY_TYPE_XFP_10GB: 507 case PHY_TYPE_SFP_1GB: 508 port = PORT_FIBRE; 509 break; 510 case PHY_TYPE_BASET_10GB: 511 port = PORT_TP; 512 break; 513 default: 514 port = PORT_OTHER; 515 } 516 517 return port; 518 } 519 520 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds) 521 { 522 u32 val = 0; 523 524 switch (adapter->phy.interface_type) { 525 case PHY_TYPE_BASET_1GB: 526 case PHY_TYPE_BASEX_1GB: 527 case PHY_TYPE_SGMII: 528 val |= SUPPORTED_TP; 529 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 530 val |= SUPPORTED_1000baseT_Full; 531 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 532 val |= SUPPORTED_100baseT_Full; 533 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS) 534 val |= SUPPORTED_10baseT_Full; 535 break; 536 case PHY_TYPE_KX4_10GB: 537 val |= SUPPORTED_Backplane; 538 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 539 val |= SUPPORTED_1000baseKX_Full; 540 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 541 val |= SUPPORTED_10000baseKX4_Full; 542 break; 543 case PHY_TYPE_KR2_20GB: 544 val |= SUPPORTED_Backplane; 545 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 546 val |= SUPPORTED_10000baseKR_Full; 547 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS) 548 val |= SUPPORTED_20000baseKR2_Full; 549 break; 550 case PHY_TYPE_KR_10GB: 551 val |= SUPPORTED_Backplane | 552 SUPPORTED_10000baseKR_Full; 553 break; 554 case PHY_TYPE_KR4_40GB: 555 val |= SUPPORTED_Backplane; 556 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 557 val |= SUPPORTED_10000baseKR_Full; 558 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) 559 val |= SUPPORTED_40000baseKR4_Full; 560 break; 561 case PHY_TYPE_QSFP: 562 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) { 563 switch (adapter->phy.cable_type) { 564 case QSFP_PLUS_CR4_CABLE: 565 val |= SUPPORTED_40000baseCR4_Full; 566 break; 567 case QSFP_PLUS_LR4_CABLE: 568 val |= SUPPORTED_40000baseLR4_Full; 569 break; 570 default: 571 val |= SUPPORTED_40000baseSR4_Full; 572 break; 573 } 574 } 575 /* fall through */ 576 case PHY_TYPE_SFP_PLUS_10GB: 577 case PHY_TYPE_XFP_10GB: 578 case PHY_TYPE_SFP_1GB: 579 val |= SUPPORTED_FIBRE; 580 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 581 val |= SUPPORTED_10000baseT_Full; 582 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 583 val |= SUPPORTED_1000baseT_Full; 584 break; 585 case PHY_TYPE_BASET_10GB: 586 val |= SUPPORTED_TP; 587 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 588 val |= SUPPORTED_10000baseT_Full; 589 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 590 val |= SUPPORTED_1000baseT_Full; 591 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 592 val |= SUPPORTED_100baseT_Full; 593 break; 594 default: 595 val |= SUPPORTED_TP; 596 } 597 598 return val; 599 } 600 601 bool be_pause_supported(struct be_adapter *adapter) 602 { 603 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB || 604 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ? 605 false : true; 606 } 607 608 static int be_get_link_ksettings(struct net_device *netdev, 609 struct ethtool_link_ksettings *cmd) 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 u32 supported = 0, advertising = 0; 618 619 if (adapter->phy.link_speed < 0) { 620 status = be_cmd_link_status_query(adapter, &link_speed, 621 &link_status, 0); 622 if (!status) 623 be_link_status_update(adapter, link_status); 624 cmd->base.speed = link_speed; 625 626 status = be_cmd_get_phy_info(adapter); 627 if (!status) { 628 auto_speeds = adapter->phy.auto_speeds_supported; 629 fixed_speeds = adapter->phy.fixed_speeds_supported; 630 631 be_cmd_query_cable_type(adapter); 632 633 supported = 634 convert_to_et_setting(adapter, 635 auto_speeds | 636 fixed_speeds); 637 advertising = 638 convert_to_et_setting(adapter, auto_speeds); 639 640 cmd->base.port = be_get_port_type(adapter); 641 642 if (adapter->phy.auto_speeds_supported) { 643 supported |= SUPPORTED_Autoneg; 644 cmd->base.autoneg = AUTONEG_ENABLE; 645 advertising |= ADVERTISED_Autoneg; 646 } 647 648 supported |= SUPPORTED_Pause; 649 if (be_pause_supported(adapter)) 650 advertising |= ADVERTISED_Pause; 651 } else { 652 cmd->base.port = PORT_OTHER; 653 cmd->base.autoneg = AUTONEG_DISABLE; 654 } 655 656 /* Save for future use */ 657 adapter->phy.link_speed = cmd->base.speed; 658 adapter->phy.port_type = cmd->base.port; 659 adapter->phy.autoneg = cmd->base.autoneg; 660 adapter->phy.advertising = advertising; 661 adapter->phy.supported = supported; 662 } else { 663 cmd->base.speed = adapter->phy.link_speed; 664 cmd->base.port = adapter->phy.port_type; 665 cmd->base.autoneg = adapter->phy.autoneg; 666 advertising = adapter->phy.advertising; 667 supported = adapter->phy.supported; 668 } 669 670 cmd->base.duplex = netif_carrier_ok(netdev) ? 671 DUPLEX_FULL : DUPLEX_UNKNOWN; 672 cmd->base.phy_address = adapter->port_num; 673 674 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 675 supported); 676 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 677 advertising); 678 679 return 0; 680 } 681 682 static void be_get_ringparam(struct net_device *netdev, 683 struct ethtool_ringparam *ring) 684 { 685 struct be_adapter *adapter = netdev_priv(netdev); 686 687 ring->rx_max_pending = adapter->rx_obj[0].q.len; 688 ring->rx_pending = adapter->rx_obj[0].q.len; 689 ring->tx_max_pending = adapter->tx_obj[0].q.len; 690 ring->tx_pending = adapter->tx_obj[0].q.len; 691 } 692 693 static void 694 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 695 { 696 struct be_adapter *adapter = netdev_priv(netdev); 697 698 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause); 699 ecmd->autoneg = adapter->phy.fc_autoneg; 700 } 701 702 static int 703 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 704 { 705 struct be_adapter *adapter = netdev_priv(netdev); 706 int status; 707 708 if (ecmd->autoneg != adapter->phy.fc_autoneg) 709 return -EINVAL; 710 711 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause, 712 ecmd->rx_pause); 713 if (status) { 714 dev_warn(&adapter->pdev->dev, "Pause param set failed\n"); 715 return be_cmd_status(status); 716 } 717 718 adapter->tx_fc = ecmd->tx_pause; 719 adapter->rx_fc = ecmd->rx_pause; 720 return 0; 721 } 722 723 static int be_set_phys_id(struct net_device *netdev, 724 enum ethtool_phys_id_state state) 725 { 726 struct be_adapter *adapter = netdev_priv(netdev); 727 int status = 0; 728 729 switch (state) { 730 case ETHTOOL_ID_ACTIVE: 731 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num, 732 &adapter->beacon_state); 733 if (status) 734 return be_cmd_status(status); 735 return 1; /* cycle on/off once per second */ 736 737 case ETHTOOL_ID_ON: 738 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 739 0, 0, BEACON_STATE_ENABLED); 740 break; 741 742 case ETHTOOL_ID_OFF: 743 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 744 0, 0, BEACON_STATE_DISABLED); 745 break; 746 747 case ETHTOOL_ID_INACTIVE: 748 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 749 0, 0, adapter->beacon_state); 750 } 751 752 return be_cmd_status(status); 753 } 754 755 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump) 756 { 757 struct be_adapter *adapter = netdev_priv(netdev); 758 struct device *dev = &adapter->pdev->dev; 759 int status; 760 761 if (!lancer_chip(adapter) || 762 !check_privilege(adapter, MAX_PRIVILEGES)) 763 return -EOPNOTSUPP; 764 765 switch (dump->flag) { 766 case LANCER_INITIATE_FW_DUMP: 767 status = lancer_initiate_dump(adapter); 768 if (!status) 769 dev_info(dev, "FW dump initiated successfully\n"); 770 break; 771 case LANCER_DELETE_FW_DUMP: 772 status = lancer_delete_dump(adapter); 773 if (!status) 774 dev_info(dev, "FW dump deleted successfully\n"); 775 break; 776 default: 777 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag); 778 return -EINVAL; 779 } 780 return status; 781 } 782 783 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 784 { 785 struct be_adapter *adapter = netdev_priv(netdev); 786 787 if (adapter->wol_cap & BE_WOL_CAP) { 788 wol->supported |= WAKE_MAGIC; 789 if (adapter->wol_en) 790 wol->wolopts |= WAKE_MAGIC; 791 } else { 792 wol->wolopts = 0; 793 } 794 memset(&wol->sopass, 0, sizeof(wol->sopass)); 795 } 796 797 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 798 { 799 struct be_adapter *adapter = netdev_priv(netdev); 800 struct device *dev = &adapter->pdev->dev; 801 struct be_dma_mem cmd; 802 u8 mac[ETH_ALEN]; 803 bool enable; 804 int status; 805 806 if (wol->wolopts & ~WAKE_MAGIC) 807 return -EOPNOTSUPP; 808 809 if (!(adapter->wol_cap & BE_WOL_CAP)) { 810 dev_warn(&adapter->pdev->dev, "WOL not supported\n"); 811 return -EOPNOTSUPP; 812 } 813 814 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); 815 cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL); 816 if (!cmd.va) 817 return -ENOMEM; 818 819 eth_zero_addr(mac); 820 821 enable = wol->wolopts & WAKE_MAGIC; 822 if (enable) 823 ether_addr_copy(mac, adapter->netdev->dev_addr); 824 825 status = be_cmd_enable_magic_wol(adapter, mac, &cmd); 826 if (status) { 827 dev_err(dev, "Could not set Wake-on-lan mac address\n"); 828 status = be_cmd_status(status); 829 goto err; 830 } 831 832 pci_enable_wake(adapter->pdev, PCI_D3hot, enable); 833 pci_enable_wake(adapter->pdev, PCI_D3cold, enable); 834 835 adapter->wol_en = enable ? true : false; 836 837 err: 838 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma); 839 return status; 840 } 841 842 static int be_test_ddr_dma(struct be_adapter *adapter) 843 { 844 int ret, i; 845 struct be_dma_mem ddrdma_cmd; 846 static const u64 pattern[2] = { 847 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL 848 }; 849 850 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test); 851 ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, 852 ddrdma_cmd.size, &ddrdma_cmd.dma, 853 GFP_KERNEL); 854 if (!ddrdma_cmd.va) 855 return -ENOMEM; 856 857 for (i = 0; i < 2; i++) { 858 ret = be_cmd_ddr_dma_test(adapter, pattern[i], 859 4096, &ddrdma_cmd); 860 if (ret != 0) 861 goto err; 862 } 863 864 err: 865 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va, 866 ddrdma_cmd.dma); 867 return be_cmd_status(ret); 868 } 869 870 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type, 871 u64 *status) 872 { 873 int ret; 874 875 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 876 loopback_type, 1); 877 if (ret) 878 return ret; 879 880 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num, 881 loopback_type, 1500, 2, 0xabc); 882 883 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 884 BE_NO_LOOPBACK, 1); 885 if (ret) 886 return ret; 887 888 return *status; 889 } 890 891 static void be_self_test(struct net_device *netdev, struct ethtool_test *test, 892 u64 *data) 893 { 894 struct be_adapter *adapter = netdev_priv(netdev); 895 int status, cnt; 896 u8 link_status = 0; 897 898 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { 899 dev_err(&adapter->pdev->dev, "Self test not supported\n"); 900 test->flags |= ETH_TEST_FL_FAILED; 901 return; 902 } 903 904 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM); 905 906 /* check link status before offline tests */ 907 link_status = netif_carrier_ok(netdev); 908 909 if (test->flags & ETH_TEST_FL_OFFLINE) { 910 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0) 911 test->flags |= ETH_TEST_FL_FAILED; 912 913 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0) 914 test->flags |= ETH_TEST_FL_FAILED; 915 916 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) { 917 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK, 918 &data[2]) != 0) 919 test->flags |= ETH_TEST_FL_FAILED; 920 test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 921 } 922 } 923 924 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) { 925 data[3] = 1; 926 test->flags |= ETH_TEST_FL_FAILED; 927 } 928 929 /* link status was down prior to test */ 930 if (!link_status) { 931 test->flags |= ETH_TEST_FL_FAILED; 932 data[4] = 1; 933 return; 934 } 935 936 for (cnt = 10; cnt; cnt--) { 937 status = be_cmd_link_status_query(adapter, NULL, &link_status, 938 0); 939 if (status) { 940 test->flags |= ETH_TEST_FL_FAILED; 941 data[4] = -1; 942 break; 943 } 944 945 if (link_status) 946 break; 947 948 msleep_interruptible(500); 949 } 950 } 951 952 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) 953 { 954 struct be_adapter *adapter = netdev_priv(netdev); 955 956 return be_load_fw(adapter, efl->data); 957 } 958 959 static int 960 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) 961 { 962 struct be_adapter *adapter = netdev_priv(netdev); 963 964 if (!check_privilege(adapter, MAX_PRIVILEGES)) 965 return -EOPNOTSUPP; 966 967 dump->len = be_get_dump_len(adapter); 968 dump->version = 1; 969 dump->flag = 0x1; /* FW dump is enabled */ 970 return 0; 971 } 972 973 static int 974 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, 975 void *buf) 976 { 977 struct be_adapter *adapter = netdev_priv(netdev); 978 int status; 979 980 if (!check_privilege(adapter, MAX_PRIVILEGES)) 981 return -EOPNOTSUPP; 982 983 status = be_read_dump_data(adapter, dump->len, buf); 984 return be_cmd_status(status); 985 } 986 987 static int be_get_eeprom_len(struct net_device *netdev) 988 { 989 struct be_adapter *adapter = netdev_priv(netdev); 990 991 if (!check_privilege(adapter, MAX_PRIVILEGES)) 992 return 0; 993 994 if (lancer_chip(adapter)) { 995 if (be_physfn(adapter)) 996 return lancer_cmd_get_file_len(adapter, 997 LANCER_VPD_PF_FILE); 998 else 999 return lancer_cmd_get_file_len(adapter, 1000 LANCER_VPD_VF_FILE); 1001 } else { 1002 return BE_READ_SEEPROM_LEN; 1003 } 1004 } 1005 1006 static int be_read_eeprom(struct net_device *netdev, 1007 struct ethtool_eeprom *eeprom, uint8_t *data) 1008 { 1009 struct be_adapter *adapter = netdev_priv(netdev); 1010 struct be_dma_mem eeprom_cmd; 1011 struct be_cmd_resp_seeprom_read *resp; 1012 int status; 1013 1014 if (!eeprom->len) 1015 return -EINVAL; 1016 1017 if (lancer_chip(adapter)) { 1018 if (be_physfn(adapter)) 1019 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE, 1020 eeprom->len, data); 1021 else 1022 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE, 1023 eeprom->len, data); 1024 } 1025 1026 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16); 1027 1028 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem)); 1029 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read); 1030 eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, 1031 eeprom_cmd.size, &eeprom_cmd.dma, 1032 GFP_KERNEL); 1033 1034 if (!eeprom_cmd.va) 1035 return -ENOMEM; 1036 1037 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd); 1038 1039 if (!status) { 1040 resp = eeprom_cmd.va; 1041 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len); 1042 } 1043 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va, 1044 eeprom_cmd.dma); 1045 1046 return be_cmd_status(status); 1047 } 1048 1049 static u32 be_get_msg_level(struct net_device *netdev) 1050 { 1051 struct be_adapter *adapter = netdev_priv(netdev); 1052 1053 return adapter->msg_enable; 1054 } 1055 1056 static void be_set_msg_level(struct net_device *netdev, u32 level) 1057 { 1058 struct be_adapter *adapter = netdev_priv(netdev); 1059 1060 if (adapter->msg_enable == level) 1061 return; 1062 1063 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW)) 1064 if (BEx_chip(adapter)) 1065 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ? 1066 FW_LOG_LEVEL_DEFAULT : 1067 FW_LOG_LEVEL_FATAL); 1068 adapter->msg_enable = level; 1069 } 1070 1071 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type) 1072 { 1073 u64 data = 0; 1074 1075 switch (flow_type) { 1076 case TCP_V4_FLOW: 1077 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1078 data |= RXH_IP_DST | RXH_IP_SRC; 1079 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4) 1080 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1081 break; 1082 case UDP_V4_FLOW: 1083 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1084 data |= RXH_IP_DST | RXH_IP_SRC; 1085 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4) 1086 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1087 break; 1088 case TCP_V6_FLOW: 1089 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1090 data |= RXH_IP_DST | RXH_IP_SRC; 1091 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6) 1092 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1093 break; 1094 case UDP_V6_FLOW: 1095 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1096 data |= RXH_IP_DST | RXH_IP_SRC; 1097 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6) 1098 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1099 break; 1100 } 1101 1102 return data; 1103 } 1104 1105 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1106 u32 *rule_locs) 1107 { 1108 struct be_adapter *adapter = netdev_priv(netdev); 1109 1110 if (!be_multi_rxq(adapter)) { 1111 dev_info(&adapter->pdev->dev, 1112 "ethtool::get_rxnfc: RX flow hashing is disabled\n"); 1113 return -EINVAL; 1114 } 1115 1116 switch (cmd->cmd) { 1117 case ETHTOOL_GRXFH: 1118 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type); 1119 break; 1120 case ETHTOOL_GRXRINGS: 1121 cmd->data = adapter->num_rx_qs; 1122 break; 1123 default: 1124 return -EINVAL; 1125 } 1126 1127 return 0; 1128 } 1129 1130 static int be_set_rss_hash_opts(struct be_adapter *adapter, 1131 struct ethtool_rxnfc *cmd) 1132 { 1133 int status; 1134 u32 rss_flags = adapter->rss_info.rss_flags; 1135 1136 if (cmd->data != L3_RSS_FLAGS && 1137 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1138 return -EINVAL; 1139 1140 switch (cmd->flow_type) { 1141 case TCP_V4_FLOW: 1142 if (cmd->data == L3_RSS_FLAGS) 1143 rss_flags &= ~RSS_ENABLE_TCP_IPV4; 1144 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1145 rss_flags |= RSS_ENABLE_IPV4 | 1146 RSS_ENABLE_TCP_IPV4; 1147 break; 1148 case TCP_V6_FLOW: 1149 if (cmd->data == L3_RSS_FLAGS) 1150 rss_flags &= ~RSS_ENABLE_TCP_IPV6; 1151 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1152 rss_flags |= RSS_ENABLE_IPV6 | 1153 RSS_ENABLE_TCP_IPV6; 1154 break; 1155 case UDP_V4_FLOW: 1156 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1157 BEx_chip(adapter)) 1158 return -EINVAL; 1159 1160 if (cmd->data == L3_RSS_FLAGS) 1161 rss_flags &= ~RSS_ENABLE_UDP_IPV4; 1162 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1163 rss_flags |= RSS_ENABLE_IPV4 | 1164 RSS_ENABLE_UDP_IPV4; 1165 break; 1166 case UDP_V6_FLOW: 1167 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1168 BEx_chip(adapter)) 1169 return -EINVAL; 1170 1171 if (cmd->data == L3_RSS_FLAGS) 1172 rss_flags &= ~RSS_ENABLE_UDP_IPV6; 1173 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1174 rss_flags |= RSS_ENABLE_IPV6 | 1175 RSS_ENABLE_UDP_IPV6; 1176 break; 1177 default: 1178 return -EINVAL; 1179 } 1180 1181 if (rss_flags == adapter->rss_info.rss_flags) 1182 return 0; 1183 1184 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable, 1185 rss_flags, RSS_INDIR_TABLE_LEN, 1186 adapter->rss_info.rss_hkey); 1187 if (!status) 1188 adapter->rss_info.rss_flags = rss_flags; 1189 1190 return be_cmd_status(status); 1191 } 1192 1193 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1194 { 1195 struct be_adapter *adapter = netdev_priv(netdev); 1196 int status = 0; 1197 1198 if (!be_multi_rxq(adapter)) { 1199 dev_err(&adapter->pdev->dev, 1200 "ethtool::set_rxnfc: RX flow hashing is disabled\n"); 1201 return -EINVAL; 1202 } 1203 1204 switch (cmd->cmd) { 1205 case ETHTOOL_SRXFH: 1206 status = be_set_rss_hash_opts(adapter, cmd); 1207 break; 1208 default: 1209 return -EINVAL; 1210 } 1211 1212 return status; 1213 } 1214 1215 static void be_get_channels(struct net_device *netdev, 1216 struct ethtool_channels *ch) 1217 { 1218 struct be_adapter *adapter = netdev_priv(netdev); 1219 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1); 1220 1221 /* num_tx_qs is always same as the number of irqs used for TX */ 1222 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs); 1223 ch->rx_count = num_rx_irqs - ch->combined_count; 1224 ch->tx_count = adapter->num_tx_qs - ch->combined_count; 1225 1226 ch->max_combined = be_max_qp_irqs(adapter); 1227 /* The user must create atleast one combined channel */ 1228 ch->max_rx = be_max_rx_irqs(adapter) - 1; 1229 ch->max_tx = be_max_tx_irqs(adapter) - 1; 1230 } 1231 1232 static int be_set_channels(struct net_device *netdev, 1233 struct ethtool_channels *ch) 1234 { 1235 struct be_adapter *adapter = netdev_priv(netdev); 1236 int status; 1237 1238 /* we support either only combined channels or a combination of 1239 * combined and either RX-only or TX-only channels. 1240 */ 1241 if (ch->other_count || !ch->combined_count || 1242 (ch->rx_count && ch->tx_count)) 1243 return -EINVAL; 1244 1245 if (ch->combined_count > be_max_qp_irqs(adapter) || 1246 (ch->rx_count && 1247 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) || 1248 (ch->tx_count && 1249 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter))) 1250 return -EINVAL; 1251 1252 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count; 1253 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count; 1254 1255 status = be_update_queues(adapter); 1256 return be_cmd_status(status); 1257 } 1258 1259 static u32 be_get_rxfh_indir_size(struct net_device *netdev) 1260 { 1261 return RSS_INDIR_TABLE_LEN; 1262 } 1263 1264 static u32 be_get_rxfh_key_size(struct net_device *netdev) 1265 { 1266 return RSS_HASH_KEY_LEN; 1267 } 1268 1269 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 1270 u8 *hfunc) 1271 { 1272 struct be_adapter *adapter = netdev_priv(netdev); 1273 int i; 1274 struct rss_info *rss = &adapter->rss_info; 1275 1276 if (indir) { 1277 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) 1278 indir[i] = rss->rss_queue[i]; 1279 } 1280 1281 if (hkey) 1282 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN); 1283 1284 if (hfunc) 1285 *hfunc = ETH_RSS_HASH_TOP; 1286 1287 return 0; 1288 } 1289 1290 static int be_set_rxfh(struct net_device *netdev, const u32 *indir, 1291 const u8 *hkey, const u8 hfunc) 1292 { 1293 int rc = 0, i, j; 1294 struct be_adapter *adapter = netdev_priv(netdev); 1295 u8 rsstable[RSS_INDIR_TABLE_LEN]; 1296 1297 /* We do not allow change in unsupported parameters */ 1298 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1299 return -EOPNOTSUPP; 1300 1301 if (indir) { 1302 struct be_rx_obj *rxo; 1303 1304 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) { 1305 j = indir[i]; 1306 rxo = &adapter->rx_obj[j]; 1307 rsstable[i] = rxo->rss_id; 1308 adapter->rss_info.rss_queue[i] = j; 1309 } 1310 } else { 1311 memcpy(rsstable, adapter->rss_info.rsstable, 1312 RSS_INDIR_TABLE_LEN); 1313 } 1314 1315 if (!hkey) 1316 hkey = adapter->rss_info.rss_hkey; 1317 1318 rc = be_cmd_rss_config(adapter, rsstable, 1319 adapter->rss_info.rss_flags, 1320 RSS_INDIR_TABLE_LEN, hkey); 1321 if (rc) { 1322 adapter->rss_info.rss_flags = RSS_ENABLE_NONE; 1323 return -EIO; 1324 } 1325 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN); 1326 memcpy(adapter->rss_info.rsstable, rsstable, 1327 RSS_INDIR_TABLE_LEN); 1328 return 0; 1329 } 1330 1331 static int be_get_module_info(struct net_device *netdev, 1332 struct ethtool_modinfo *modinfo) 1333 { 1334 struct be_adapter *adapter = netdev_priv(netdev); 1335 u8 page_data[PAGE_DATA_LEN]; 1336 int status; 1337 1338 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1339 return -EOPNOTSUPP; 1340 1341 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1342 page_data); 1343 if (!status) { 1344 if (!page_data[SFP_PLUS_SFF_8472_COMP]) { 1345 modinfo->type = ETH_MODULE_SFF_8079; 1346 modinfo->eeprom_len = PAGE_DATA_LEN; 1347 } else { 1348 modinfo->type = ETH_MODULE_SFF_8472; 1349 modinfo->eeprom_len = 2 * PAGE_DATA_LEN; 1350 } 1351 } 1352 return be_cmd_status(status); 1353 } 1354 1355 static int be_get_module_eeprom(struct net_device *netdev, 1356 struct ethtool_eeprom *eeprom, u8 *data) 1357 { 1358 struct be_adapter *adapter = netdev_priv(netdev); 1359 int status; 1360 1361 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1362 return -EOPNOTSUPP; 1363 1364 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1365 data); 1366 if (status) 1367 goto err; 1368 1369 if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) { 1370 status = be_cmd_read_port_transceiver_data(adapter, 1371 TR_PAGE_A2, 1372 data + 1373 PAGE_DATA_LEN); 1374 if (status) 1375 goto err; 1376 } 1377 if (eeprom->offset) 1378 memcpy(data, data + eeprom->offset, eeprom->len); 1379 err: 1380 return be_cmd_status(status); 1381 } 1382 1383 static u32 be_get_priv_flags(struct net_device *netdev) 1384 { 1385 struct be_adapter *adapter = netdev_priv(netdev); 1386 1387 return adapter->priv_flags; 1388 } 1389 1390 static int be_set_priv_flags(struct net_device *netdev, u32 flags) 1391 { 1392 struct be_adapter *adapter = netdev_priv(netdev); 1393 bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY); 1394 bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY); 1395 1396 if (tpe_old != tpe_new) { 1397 if (tpe_new) { 1398 adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY; 1399 dev_info(&adapter->pdev->dev, 1400 "HW error recovery is disabled\n"); 1401 } else { 1402 adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY; 1403 dev_info(&adapter->pdev->dev, 1404 "HW error recovery is enabled\n"); 1405 } 1406 } 1407 1408 return 0; 1409 } 1410 1411 const struct ethtool_ops be_ethtool_ops = { 1412 .get_drvinfo = be_get_drvinfo, 1413 .get_wol = be_get_wol, 1414 .set_wol = be_set_wol, 1415 .get_link = ethtool_op_get_link, 1416 .get_eeprom_len = be_get_eeprom_len, 1417 .get_eeprom = be_read_eeprom, 1418 .get_coalesce = be_get_coalesce, 1419 .set_coalesce = be_set_coalesce, 1420 .get_ringparam = be_get_ringparam, 1421 .get_pauseparam = be_get_pauseparam, 1422 .set_pauseparam = be_set_pauseparam, 1423 .set_priv_flags = be_set_priv_flags, 1424 .get_priv_flags = be_get_priv_flags, 1425 .get_strings = be_get_stat_strings, 1426 .set_phys_id = be_set_phys_id, 1427 .set_dump = be_set_dump, 1428 .get_msglevel = be_get_msg_level, 1429 .set_msglevel = be_set_msg_level, 1430 .get_sset_count = be_get_sset_count, 1431 .get_ethtool_stats = be_get_ethtool_stats, 1432 .flash_device = be_do_flash, 1433 .self_test = be_self_test, 1434 .get_rxnfc = be_get_rxnfc, 1435 .set_rxnfc = be_set_rxnfc, 1436 .get_rxfh_indir_size = be_get_rxfh_indir_size, 1437 .get_rxfh_key_size = be_get_rxfh_key_size, 1438 .get_rxfh = be_get_rxfh, 1439 .set_rxfh = be_set_rxfh, 1440 .get_dump_flag = be_get_dump_flag, 1441 .get_dump_data = be_get_dump_data, 1442 .get_channels = be_get_channels, 1443 .set_channels = be_set_channels, 1444 .get_module_info = be_get_module_info, 1445 .get_module_eeprom = be_get_module_eeprom, 1446 .get_link_ksettings = be_get_link_ksettings, 1447 }; 1448