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_sge_err)}, 193 {DRVSTAT_TX_INFO(tx_bytes)}, 194 {DRVSTAT_TX_INFO(tx_pkts)}, 195 {DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)}, 196 /* Number of skbs queued for trasmission by the driver */ 197 {DRVSTAT_TX_INFO(tx_reqs)}, 198 /* Number of times the TX queue was stopped due to lack 199 * of spaces in the TXQ. 200 */ 201 {DRVSTAT_TX_INFO(tx_stops)}, 202 /* Pkts dropped in the driver's transmit path */ 203 {DRVSTAT_TX_INFO(tx_drv_drops)} 204 }; 205 206 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats)) 207 208 static const char et_self_tests[][ETH_GSTRING_LEN] = { 209 "MAC Loopback test", 210 "PHY Loopback test", 211 "External Loopback test", 212 "DDR DMA test", 213 "Link test" 214 }; 215 216 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests) 217 #define BE_MAC_LOOPBACK 0x0 218 #define BE_PHY_LOOPBACK 0x1 219 #define BE_ONE_PORT_EXT_LOOPBACK 0x2 220 #define BE_NO_LOOPBACK 0xff 221 222 static void be_get_drvinfo(struct net_device *netdev, 223 struct ethtool_drvinfo *drvinfo) 224 { 225 struct be_adapter *adapter = netdev_priv(netdev); 226 227 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 228 strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version)); 229 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN)) 230 strlcpy(drvinfo->fw_version, adapter->fw_ver, 231 sizeof(drvinfo->fw_version)); 232 else 233 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 234 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash); 235 236 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 237 sizeof(drvinfo->bus_info)); 238 } 239 240 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name) 241 { 242 u32 data_read = 0, eof; 243 u8 addn_status; 244 struct be_dma_mem data_len_cmd; 245 246 memset(&data_len_cmd, 0, sizeof(data_len_cmd)); 247 /* data_offset and data_size should be 0 to get reg len */ 248 lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name, 249 &data_read, &eof, &addn_status); 250 251 return data_read; 252 } 253 254 static int be_get_dump_len(struct be_adapter *adapter) 255 { 256 u32 dump_size = 0; 257 258 if (lancer_chip(adapter)) 259 dump_size = lancer_cmd_get_file_len(adapter, 260 LANCER_FW_DUMP_FILE); 261 else 262 dump_size = adapter->fat_dump_len; 263 264 return dump_size; 265 } 266 267 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name, 268 u32 buf_len, void *buf) 269 { 270 struct be_dma_mem read_cmd; 271 u32 read_len = 0, total_read_len = 0, chunk_size; 272 u32 eof = 0; 273 u8 addn_status; 274 int status = 0; 275 276 read_cmd.size = LANCER_READ_FILE_CHUNK; 277 read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size, 278 &read_cmd.dma, GFP_ATOMIC); 279 280 if (!read_cmd.va) { 281 dev_err(&adapter->pdev->dev, 282 "Memory allocation failure while reading dump\n"); 283 return -ENOMEM; 284 } 285 286 while ((total_read_len < buf_len) && !eof) { 287 chunk_size = min_t(u32, (buf_len - total_read_len), 288 LANCER_READ_FILE_CHUNK); 289 chunk_size = ALIGN(chunk_size, 4); 290 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size, 291 total_read_len, file_name, 292 &read_len, &eof, &addn_status); 293 if (!status) { 294 memcpy(buf + total_read_len, read_cmd.va, read_len); 295 total_read_len += read_len; 296 eof &= LANCER_READ_FILE_EOF_MASK; 297 } else { 298 status = -EIO; 299 break; 300 } 301 } 302 dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va, 303 read_cmd.dma); 304 305 return status; 306 } 307 308 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len, 309 void *buf) 310 { 311 int status = 0; 312 313 if (lancer_chip(adapter)) 314 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE, 315 dump_len, buf); 316 else 317 status = be_cmd_get_fat_dump(adapter, dump_len, buf); 318 319 return status; 320 } 321 322 static int be_get_coalesce(struct net_device *netdev, 323 struct ethtool_coalesce *et) 324 { 325 struct be_adapter *adapter = netdev_priv(netdev); 326 struct be_aic_obj *aic = &adapter->aic_obj[0]; 327 328 et->rx_coalesce_usecs = aic->prev_eqd; 329 et->rx_coalesce_usecs_high = aic->max_eqd; 330 et->rx_coalesce_usecs_low = aic->min_eqd; 331 332 et->tx_coalesce_usecs = aic->prev_eqd; 333 et->tx_coalesce_usecs_high = aic->max_eqd; 334 et->tx_coalesce_usecs_low = aic->min_eqd; 335 336 et->use_adaptive_rx_coalesce = aic->enable; 337 et->use_adaptive_tx_coalesce = aic->enable; 338 339 return 0; 340 } 341 342 /* TX attributes are ignored. Only RX attributes are considered 343 * eqd cmd is issued in the worker thread. 344 */ 345 static int be_set_coalesce(struct net_device *netdev, 346 struct ethtool_coalesce *et) 347 { 348 struct be_adapter *adapter = netdev_priv(netdev); 349 struct be_aic_obj *aic = &adapter->aic_obj[0]; 350 struct be_eq_obj *eqo; 351 int i; 352 353 for_all_evt_queues(adapter, eqo, i) { 354 aic->enable = et->use_adaptive_rx_coalesce; 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 /* fall through */ 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 { 688 struct be_adapter *adapter = netdev_priv(netdev); 689 690 ring->rx_max_pending = adapter->rx_obj[0].q.len; 691 ring->rx_pending = adapter->rx_obj[0].q.len; 692 ring->tx_max_pending = adapter->tx_obj[0].q.len; 693 ring->tx_pending = adapter->tx_obj[0].q.len; 694 } 695 696 static void 697 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 698 { 699 struct be_adapter *adapter = netdev_priv(netdev); 700 701 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause); 702 ecmd->autoneg = adapter->phy.fc_autoneg; 703 } 704 705 static int 706 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 707 { 708 struct be_adapter *adapter = netdev_priv(netdev); 709 int status; 710 711 if (ecmd->autoneg != adapter->phy.fc_autoneg) 712 return -EINVAL; 713 714 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause, 715 ecmd->rx_pause); 716 if (status) { 717 dev_warn(&adapter->pdev->dev, "Pause param set failed\n"); 718 return be_cmd_status(status); 719 } 720 721 adapter->tx_fc = ecmd->tx_pause; 722 adapter->rx_fc = ecmd->rx_pause; 723 return 0; 724 } 725 726 static int be_set_phys_id(struct net_device *netdev, 727 enum ethtool_phys_id_state state) 728 { 729 struct be_adapter *adapter = netdev_priv(netdev); 730 int status = 0; 731 732 switch (state) { 733 case ETHTOOL_ID_ACTIVE: 734 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num, 735 &adapter->beacon_state); 736 if (status) 737 return be_cmd_status(status); 738 return 1; /* cycle on/off once per second */ 739 740 case ETHTOOL_ID_ON: 741 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 742 0, 0, BEACON_STATE_ENABLED); 743 break; 744 745 case ETHTOOL_ID_OFF: 746 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 747 0, 0, BEACON_STATE_DISABLED); 748 break; 749 750 case ETHTOOL_ID_INACTIVE: 751 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 752 0, 0, adapter->beacon_state); 753 } 754 755 return be_cmd_status(status); 756 } 757 758 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump) 759 { 760 struct be_adapter *adapter = netdev_priv(netdev); 761 struct device *dev = &adapter->pdev->dev; 762 int status; 763 764 if (!lancer_chip(adapter) || 765 !check_privilege(adapter, MAX_PRIVILEGES)) 766 return -EOPNOTSUPP; 767 768 switch (dump->flag) { 769 case LANCER_INITIATE_FW_DUMP: 770 status = lancer_initiate_dump(adapter); 771 if (!status) 772 dev_info(dev, "FW dump initiated successfully\n"); 773 break; 774 case LANCER_DELETE_FW_DUMP: 775 status = lancer_delete_dump(adapter); 776 if (!status) 777 dev_info(dev, "FW dump deleted successfully\n"); 778 break; 779 default: 780 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag); 781 return -EINVAL; 782 } 783 return status; 784 } 785 786 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 787 { 788 struct be_adapter *adapter = netdev_priv(netdev); 789 790 if (adapter->wol_cap & BE_WOL_CAP) { 791 wol->supported |= WAKE_MAGIC; 792 if (adapter->wol_en) 793 wol->wolopts |= WAKE_MAGIC; 794 } else { 795 wol->wolopts = 0; 796 } 797 memset(&wol->sopass, 0, sizeof(wol->sopass)); 798 } 799 800 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 801 { 802 struct be_adapter *adapter = netdev_priv(netdev); 803 struct device *dev = &adapter->pdev->dev; 804 struct be_dma_mem cmd; 805 u8 mac[ETH_ALEN]; 806 bool enable; 807 int status; 808 809 if (wol->wolopts & ~WAKE_MAGIC) 810 return -EOPNOTSUPP; 811 812 if (!(adapter->wol_cap & BE_WOL_CAP)) { 813 dev_warn(&adapter->pdev->dev, "WOL not supported\n"); 814 return -EOPNOTSUPP; 815 } 816 817 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); 818 cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL); 819 if (!cmd.va) 820 return -ENOMEM; 821 822 eth_zero_addr(mac); 823 824 enable = wol->wolopts & WAKE_MAGIC; 825 if (enable) 826 ether_addr_copy(mac, adapter->netdev->dev_addr); 827 828 status = be_cmd_enable_magic_wol(adapter, mac, &cmd); 829 if (status) { 830 dev_err(dev, "Could not set Wake-on-lan mac address\n"); 831 status = be_cmd_status(status); 832 goto err; 833 } 834 835 pci_enable_wake(adapter->pdev, PCI_D3hot, enable); 836 pci_enable_wake(adapter->pdev, PCI_D3cold, enable); 837 838 adapter->wol_en = enable ? true : false; 839 840 err: 841 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma); 842 return status; 843 } 844 845 static int be_test_ddr_dma(struct be_adapter *adapter) 846 { 847 int ret, i; 848 struct be_dma_mem ddrdma_cmd; 849 static const u64 pattern[2] = { 850 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL 851 }; 852 853 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test); 854 ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, 855 ddrdma_cmd.size, &ddrdma_cmd.dma, 856 GFP_KERNEL); 857 if (!ddrdma_cmd.va) 858 return -ENOMEM; 859 860 for (i = 0; i < 2; i++) { 861 ret = be_cmd_ddr_dma_test(adapter, pattern[i], 862 4096, &ddrdma_cmd); 863 if (ret != 0) 864 goto err; 865 } 866 867 err: 868 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va, 869 ddrdma_cmd.dma); 870 return be_cmd_status(ret); 871 } 872 873 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type, 874 u64 *status) 875 { 876 int ret; 877 878 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 879 loopback_type, 1); 880 if (ret) 881 return ret; 882 883 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num, 884 loopback_type, 1500, 2, 0xabc); 885 886 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 887 BE_NO_LOOPBACK, 1); 888 if (ret) 889 return ret; 890 891 return *status; 892 } 893 894 static void be_self_test(struct net_device *netdev, struct ethtool_test *test, 895 u64 *data) 896 { 897 struct be_adapter *adapter = netdev_priv(netdev); 898 int status; 899 u8 link_status = 0; 900 901 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { 902 dev_err(&adapter->pdev->dev, "Self test not supported\n"); 903 test->flags |= ETH_TEST_FL_FAILED; 904 return; 905 } 906 907 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM); 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 status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); 930 if (status) { 931 test->flags |= ETH_TEST_FL_FAILED; 932 data[4] = -1; 933 } else if (!link_status) { 934 test->flags |= ETH_TEST_FL_FAILED; 935 data[4] = 1; 936 } 937 } 938 939 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) 940 { 941 struct be_adapter *adapter = netdev_priv(netdev); 942 943 return be_load_fw(adapter, efl->data); 944 } 945 946 static int 947 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) 948 { 949 struct be_adapter *adapter = netdev_priv(netdev); 950 951 if (!check_privilege(adapter, MAX_PRIVILEGES)) 952 return -EOPNOTSUPP; 953 954 dump->len = be_get_dump_len(adapter); 955 dump->version = 1; 956 dump->flag = 0x1; /* FW dump is enabled */ 957 return 0; 958 } 959 960 static int 961 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, 962 void *buf) 963 { 964 struct be_adapter *adapter = netdev_priv(netdev); 965 int status; 966 967 if (!check_privilege(adapter, MAX_PRIVILEGES)) 968 return -EOPNOTSUPP; 969 970 status = be_read_dump_data(adapter, dump->len, buf); 971 return be_cmd_status(status); 972 } 973 974 static int be_get_eeprom_len(struct net_device *netdev) 975 { 976 struct be_adapter *adapter = netdev_priv(netdev); 977 978 if (!check_privilege(adapter, MAX_PRIVILEGES)) 979 return 0; 980 981 if (lancer_chip(adapter)) { 982 if (be_physfn(adapter)) 983 return lancer_cmd_get_file_len(adapter, 984 LANCER_VPD_PF_FILE); 985 else 986 return lancer_cmd_get_file_len(adapter, 987 LANCER_VPD_VF_FILE); 988 } else { 989 return BE_READ_SEEPROM_LEN; 990 } 991 } 992 993 static int be_read_eeprom(struct net_device *netdev, 994 struct ethtool_eeprom *eeprom, uint8_t *data) 995 { 996 struct be_adapter *adapter = netdev_priv(netdev); 997 struct be_dma_mem eeprom_cmd; 998 struct be_cmd_resp_seeprom_read *resp; 999 int status; 1000 1001 if (!eeprom->len) 1002 return -EINVAL; 1003 1004 if (lancer_chip(adapter)) { 1005 if (be_physfn(adapter)) 1006 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE, 1007 eeprom->len, data); 1008 else 1009 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE, 1010 eeprom->len, data); 1011 } 1012 1013 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16); 1014 1015 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem)); 1016 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read); 1017 eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, 1018 eeprom_cmd.size, &eeprom_cmd.dma, 1019 GFP_KERNEL); 1020 1021 if (!eeprom_cmd.va) 1022 return -ENOMEM; 1023 1024 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd); 1025 1026 if (!status) { 1027 resp = eeprom_cmd.va; 1028 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len); 1029 } 1030 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va, 1031 eeprom_cmd.dma); 1032 1033 return be_cmd_status(status); 1034 } 1035 1036 static u32 be_get_msg_level(struct net_device *netdev) 1037 { 1038 struct be_adapter *adapter = netdev_priv(netdev); 1039 1040 return adapter->msg_enable; 1041 } 1042 1043 static void be_set_msg_level(struct net_device *netdev, u32 level) 1044 { 1045 struct be_adapter *adapter = netdev_priv(netdev); 1046 1047 if (adapter->msg_enable == level) 1048 return; 1049 1050 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW)) 1051 if (BEx_chip(adapter)) 1052 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ? 1053 FW_LOG_LEVEL_DEFAULT : 1054 FW_LOG_LEVEL_FATAL); 1055 adapter->msg_enable = level; 1056 } 1057 1058 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type) 1059 { 1060 u64 data = 0; 1061 1062 switch (flow_type) { 1063 case TCP_V4_FLOW: 1064 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1065 data |= RXH_IP_DST | RXH_IP_SRC; 1066 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4) 1067 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1068 break; 1069 case UDP_V4_FLOW: 1070 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1071 data |= RXH_IP_DST | RXH_IP_SRC; 1072 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4) 1073 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1074 break; 1075 case TCP_V6_FLOW: 1076 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1077 data |= RXH_IP_DST | RXH_IP_SRC; 1078 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6) 1079 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1080 break; 1081 case UDP_V6_FLOW: 1082 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1083 data |= RXH_IP_DST | RXH_IP_SRC; 1084 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6) 1085 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1086 break; 1087 } 1088 1089 return data; 1090 } 1091 1092 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1093 u32 *rule_locs) 1094 { 1095 struct be_adapter *adapter = netdev_priv(netdev); 1096 1097 if (!be_multi_rxq(adapter)) { 1098 dev_info(&adapter->pdev->dev, 1099 "ethtool::get_rxnfc: RX flow hashing is disabled\n"); 1100 return -EINVAL; 1101 } 1102 1103 switch (cmd->cmd) { 1104 case ETHTOOL_GRXFH: 1105 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type); 1106 break; 1107 case ETHTOOL_GRXRINGS: 1108 cmd->data = adapter->num_rx_qs - 1; 1109 break; 1110 default: 1111 return -EINVAL; 1112 } 1113 1114 return 0; 1115 } 1116 1117 static int be_set_rss_hash_opts(struct be_adapter *adapter, 1118 struct ethtool_rxnfc *cmd) 1119 { 1120 int status; 1121 u32 rss_flags = adapter->rss_info.rss_flags; 1122 1123 if (cmd->data != L3_RSS_FLAGS && 1124 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1125 return -EINVAL; 1126 1127 switch (cmd->flow_type) { 1128 case TCP_V4_FLOW: 1129 if (cmd->data == L3_RSS_FLAGS) 1130 rss_flags &= ~RSS_ENABLE_TCP_IPV4; 1131 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1132 rss_flags |= RSS_ENABLE_IPV4 | 1133 RSS_ENABLE_TCP_IPV4; 1134 break; 1135 case TCP_V6_FLOW: 1136 if (cmd->data == L3_RSS_FLAGS) 1137 rss_flags &= ~RSS_ENABLE_TCP_IPV6; 1138 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1139 rss_flags |= RSS_ENABLE_IPV6 | 1140 RSS_ENABLE_TCP_IPV6; 1141 break; 1142 case UDP_V4_FLOW: 1143 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1144 BEx_chip(adapter)) 1145 return -EINVAL; 1146 1147 if (cmd->data == L3_RSS_FLAGS) 1148 rss_flags &= ~RSS_ENABLE_UDP_IPV4; 1149 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1150 rss_flags |= RSS_ENABLE_IPV4 | 1151 RSS_ENABLE_UDP_IPV4; 1152 break; 1153 case UDP_V6_FLOW: 1154 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1155 BEx_chip(adapter)) 1156 return -EINVAL; 1157 1158 if (cmd->data == L3_RSS_FLAGS) 1159 rss_flags &= ~RSS_ENABLE_UDP_IPV6; 1160 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1161 rss_flags |= RSS_ENABLE_IPV6 | 1162 RSS_ENABLE_UDP_IPV6; 1163 break; 1164 default: 1165 return -EINVAL; 1166 } 1167 1168 if (rss_flags == adapter->rss_info.rss_flags) 1169 return 0; 1170 1171 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable, 1172 rss_flags, RSS_INDIR_TABLE_LEN, 1173 adapter->rss_info.rss_hkey); 1174 if (!status) 1175 adapter->rss_info.rss_flags = rss_flags; 1176 1177 return be_cmd_status(status); 1178 } 1179 1180 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1181 { 1182 struct be_adapter *adapter = netdev_priv(netdev); 1183 int status = 0; 1184 1185 if (!be_multi_rxq(adapter)) { 1186 dev_err(&adapter->pdev->dev, 1187 "ethtool::set_rxnfc: RX flow hashing is disabled\n"); 1188 return -EINVAL; 1189 } 1190 1191 switch (cmd->cmd) { 1192 case ETHTOOL_SRXFH: 1193 status = be_set_rss_hash_opts(adapter, cmd); 1194 break; 1195 default: 1196 return -EINVAL; 1197 } 1198 1199 return status; 1200 } 1201 1202 static void be_get_channels(struct net_device *netdev, 1203 struct ethtool_channels *ch) 1204 { 1205 struct be_adapter *adapter = netdev_priv(netdev); 1206 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1); 1207 1208 /* num_tx_qs is always same as the number of irqs used for TX */ 1209 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs); 1210 ch->rx_count = num_rx_irqs - ch->combined_count; 1211 ch->tx_count = adapter->num_tx_qs - ch->combined_count; 1212 1213 ch->max_combined = be_max_qp_irqs(adapter); 1214 /* The user must create atleast one combined channel */ 1215 ch->max_rx = be_max_rx_irqs(adapter) - 1; 1216 ch->max_tx = be_max_tx_irqs(adapter) - 1; 1217 } 1218 1219 static int be_set_channels(struct net_device *netdev, 1220 struct ethtool_channels *ch) 1221 { 1222 struct be_adapter *adapter = netdev_priv(netdev); 1223 int status; 1224 1225 /* we support either only combined channels or a combination of 1226 * combined and either RX-only or TX-only channels. 1227 */ 1228 if (ch->other_count || !ch->combined_count || 1229 (ch->rx_count && ch->tx_count)) 1230 return -EINVAL; 1231 1232 if (ch->combined_count > be_max_qp_irqs(adapter) || 1233 (ch->rx_count && 1234 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) || 1235 (ch->tx_count && 1236 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter))) 1237 return -EINVAL; 1238 1239 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count; 1240 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count; 1241 1242 status = be_update_queues(adapter); 1243 return be_cmd_status(status); 1244 } 1245 1246 static u32 be_get_rxfh_indir_size(struct net_device *netdev) 1247 { 1248 return RSS_INDIR_TABLE_LEN; 1249 } 1250 1251 static u32 be_get_rxfh_key_size(struct net_device *netdev) 1252 { 1253 return RSS_HASH_KEY_LEN; 1254 } 1255 1256 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 1257 u8 *hfunc) 1258 { 1259 struct be_adapter *adapter = netdev_priv(netdev); 1260 int i; 1261 struct rss_info *rss = &adapter->rss_info; 1262 1263 if (indir) { 1264 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) 1265 indir[i] = rss->rss_queue[i]; 1266 } 1267 1268 if (hkey) 1269 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN); 1270 1271 if (hfunc) 1272 *hfunc = ETH_RSS_HASH_TOP; 1273 1274 return 0; 1275 } 1276 1277 static int be_set_rxfh(struct net_device *netdev, const u32 *indir, 1278 const u8 *hkey, const u8 hfunc) 1279 { 1280 int rc = 0, i, j; 1281 struct be_adapter *adapter = netdev_priv(netdev); 1282 u8 rsstable[RSS_INDIR_TABLE_LEN]; 1283 1284 /* We do not allow change in unsupported parameters */ 1285 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1286 return -EOPNOTSUPP; 1287 1288 if (indir) { 1289 struct be_rx_obj *rxo; 1290 1291 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) { 1292 j = indir[i]; 1293 rxo = &adapter->rx_obj[j]; 1294 rsstable[i] = rxo->rss_id; 1295 adapter->rss_info.rss_queue[i] = j; 1296 } 1297 } else { 1298 memcpy(rsstable, adapter->rss_info.rsstable, 1299 RSS_INDIR_TABLE_LEN); 1300 } 1301 1302 if (!hkey) 1303 hkey = adapter->rss_info.rss_hkey; 1304 1305 rc = be_cmd_rss_config(adapter, rsstable, 1306 adapter->rss_info.rss_flags, 1307 RSS_INDIR_TABLE_LEN, hkey); 1308 if (rc) { 1309 adapter->rss_info.rss_flags = RSS_ENABLE_NONE; 1310 return -EIO; 1311 } 1312 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN); 1313 memcpy(adapter->rss_info.rsstable, rsstable, 1314 RSS_INDIR_TABLE_LEN); 1315 return 0; 1316 } 1317 1318 static int be_get_module_info(struct net_device *netdev, 1319 struct ethtool_modinfo *modinfo) 1320 { 1321 struct be_adapter *adapter = netdev_priv(netdev); 1322 u8 page_data[PAGE_DATA_LEN]; 1323 int status; 1324 1325 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1326 return -EOPNOTSUPP; 1327 1328 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1329 page_data); 1330 if (!status) { 1331 if (!page_data[SFP_PLUS_SFF_8472_COMP]) { 1332 modinfo->type = ETH_MODULE_SFF_8079; 1333 modinfo->eeprom_len = PAGE_DATA_LEN; 1334 } else { 1335 modinfo->type = ETH_MODULE_SFF_8472; 1336 modinfo->eeprom_len = 2 * PAGE_DATA_LEN; 1337 } 1338 } 1339 return be_cmd_status(status); 1340 } 1341 1342 static int be_get_module_eeprom(struct net_device *netdev, 1343 struct ethtool_eeprom *eeprom, u8 *data) 1344 { 1345 struct be_adapter *adapter = netdev_priv(netdev); 1346 int status; 1347 1348 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1349 return -EOPNOTSUPP; 1350 1351 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1352 data); 1353 if (status) 1354 goto err; 1355 1356 if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) { 1357 status = be_cmd_read_port_transceiver_data(adapter, 1358 TR_PAGE_A2, 1359 data + 1360 PAGE_DATA_LEN); 1361 if (status) 1362 goto err; 1363 } 1364 if (eeprom->offset) 1365 memcpy(data, data + eeprom->offset, eeprom->len); 1366 err: 1367 return be_cmd_status(status); 1368 } 1369 1370 static u32 be_get_priv_flags(struct net_device *netdev) 1371 { 1372 struct be_adapter *adapter = netdev_priv(netdev); 1373 1374 return adapter->priv_flags; 1375 } 1376 1377 static int be_set_priv_flags(struct net_device *netdev, u32 flags) 1378 { 1379 struct be_adapter *adapter = netdev_priv(netdev); 1380 bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY); 1381 bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY); 1382 1383 if (tpe_old != tpe_new) { 1384 if (tpe_new) { 1385 adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY; 1386 dev_info(&adapter->pdev->dev, 1387 "HW error recovery is disabled\n"); 1388 } else { 1389 adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY; 1390 dev_info(&adapter->pdev->dev, 1391 "HW error recovery is enabled\n"); 1392 } 1393 } 1394 1395 return 0; 1396 } 1397 1398 const struct ethtool_ops be_ethtool_ops = { 1399 .get_drvinfo = be_get_drvinfo, 1400 .get_wol = be_get_wol, 1401 .set_wol = be_set_wol, 1402 .get_link = ethtool_op_get_link, 1403 .get_eeprom_len = be_get_eeprom_len, 1404 .get_eeprom = be_read_eeprom, 1405 .get_coalesce = be_get_coalesce, 1406 .set_coalesce = be_set_coalesce, 1407 .get_ringparam = be_get_ringparam, 1408 .get_pauseparam = be_get_pauseparam, 1409 .set_pauseparam = be_set_pauseparam, 1410 .set_priv_flags = be_set_priv_flags, 1411 .get_priv_flags = be_get_priv_flags, 1412 .get_strings = be_get_stat_strings, 1413 .set_phys_id = be_set_phys_id, 1414 .set_dump = be_set_dump, 1415 .get_msglevel = be_get_msg_level, 1416 .set_msglevel = be_set_msg_level, 1417 .get_sset_count = be_get_sset_count, 1418 .get_ethtool_stats = be_get_ethtool_stats, 1419 .flash_device = be_do_flash, 1420 .self_test = be_self_test, 1421 .get_rxnfc = be_get_rxnfc, 1422 .set_rxnfc = be_set_rxnfc, 1423 .get_rxfh_indir_size = be_get_rxfh_indir_size, 1424 .get_rxfh_key_size = be_get_rxfh_key_size, 1425 .get_rxfh = be_get_rxfh, 1426 .set_rxfh = be_set_rxfh, 1427 .get_dump_flag = be_get_dump_flag, 1428 .get_dump_data = be_get_dump_data, 1429 .get_channels = be_get_channels, 1430 .set_channels = be_set_channels, 1431 .get_module_info = be_get_module_info, 1432 .get_module_eeprom = be_get_module_eeprom, 1433 .get_link_ksettings = be_get_link_ksettings, 1434 }; 1435