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_zalloc_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 case PHY_TYPE_SFP_PLUS_10GB: 579 case PHY_TYPE_XFP_10GB: 580 case PHY_TYPE_SFP_1GB: 581 val |= SUPPORTED_FIBRE; 582 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 583 val |= SUPPORTED_10000baseT_Full; 584 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 585 val |= SUPPORTED_1000baseT_Full; 586 break; 587 case PHY_TYPE_BASET_10GB: 588 val |= SUPPORTED_TP; 589 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 590 val |= SUPPORTED_10000baseT_Full; 591 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 592 val |= SUPPORTED_1000baseT_Full; 593 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 594 val |= SUPPORTED_100baseT_Full; 595 break; 596 default: 597 val |= SUPPORTED_TP; 598 } 599 600 return val; 601 } 602 603 bool be_pause_supported(struct be_adapter *adapter) 604 { 605 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB || 606 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ? 607 false : true; 608 } 609 610 static int be_get_link_ksettings(struct net_device *netdev, 611 struct ethtool_link_ksettings *cmd) 612 { 613 struct be_adapter *adapter = netdev_priv(netdev); 614 u8 link_status; 615 u16 link_speed = 0; 616 int status; 617 u32 auto_speeds; 618 u32 fixed_speeds; 619 u32 supported = 0, advertising = 0; 620 621 if (adapter->phy.link_speed < 0) { 622 status = be_cmd_link_status_query(adapter, &link_speed, 623 &link_status, 0); 624 if (!status) 625 be_link_status_update(adapter, link_status); 626 cmd->base.speed = link_speed; 627 628 status = be_cmd_get_phy_info(adapter); 629 if (!status) { 630 auto_speeds = adapter->phy.auto_speeds_supported; 631 fixed_speeds = adapter->phy.fixed_speeds_supported; 632 633 be_cmd_query_cable_type(adapter); 634 635 supported = 636 convert_to_et_setting(adapter, 637 auto_speeds | 638 fixed_speeds); 639 advertising = 640 convert_to_et_setting(adapter, auto_speeds); 641 642 cmd->base.port = be_get_port_type(adapter); 643 644 if (adapter->phy.auto_speeds_supported) { 645 supported |= SUPPORTED_Autoneg; 646 cmd->base.autoneg = AUTONEG_ENABLE; 647 advertising |= ADVERTISED_Autoneg; 648 } 649 650 supported |= SUPPORTED_Pause; 651 if (be_pause_supported(adapter)) 652 advertising |= ADVERTISED_Pause; 653 } else { 654 cmd->base.port = PORT_OTHER; 655 cmd->base.autoneg = AUTONEG_DISABLE; 656 } 657 658 /* Save for future use */ 659 adapter->phy.link_speed = cmd->base.speed; 660 adapter->phy.port_type = cmd->base.port; 661 adapter->phy.autoneg = cmd->base.autoneg; 662 adapter->phy.advertising = advertising; 663 adapter->phy.supported = supported; 664 } else { 665 cmd->base.speed = adapter->phy.link_speed; 666 cmd->base.port = adapter->phy.port_type; 667 cmd->base.autoneg = adapter->phy.autoneg; 668 advertising = adapter->phy.advertising; 669 supported = adapter->phy.supported; 670 } 671 672 cmd->base.duplex = netif_carrier_ok(netdev) ? 673 DUPLEX_FULL : DUPLEX_UNKNOWN; 674 cmd->base.phy_address = adapter->port_num; 675 676 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 677 supported); 678 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 679 advertising); 680 681 return 0; 682 } 683 684 static void be_get_ringparam(struct net_device *netdev, 685 struct ethtool_ringparam *ring) 686 { 687 struct be_adapter *adapter = netdev_priv(netdev); 688 689 ring->rx_max_pending = adapter->rx_obj[0].q.len; 690 ring->rx_pending = adapter->rx_obj[0].q.len; 691 ring->tx_max_pending = adapter->tx_obj[0].q.len; 692 ring->tx_pending = adapter->tx_obj[0].q.len; 693 } 694 695 static void 696 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 697 { 698 struct be_adapter *adapter = netdev_priv(netdev); 699 700 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause); 701 ecmd->autoneg = adapter->phy.fc_autoneg; 702 } 703 704 static int 705 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 706 { 707 struct be_adapter *adapter = netdev_priv(netdev); 708 int status; 709 710 if (ecmd->autoneg != adapter->phy.fc_autoneg) 711 return -EINVAL; 712 713 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause, 714 ecmd->rx_pause); 715 if (status) { 716 dev_warn(&adapter->pdev->dev, "Pause param set failed\n"); 717 return be_cmd_status(status); 718 } 719 720 adapter->tx_fc = ecmd->tx_pause; 721 adapter->rx_fc = ecmd->rx_pause; 722 return 0; 723 } 724 725 static int be_set_phys_id(struct net_device *netdev, 726 enum ethtool_phys_id_state state) 727 { 728 struct be_adapter *adapter = netdev_priv(netdev); 729 int status = 0; 730 731 switch (state) { 732 case ETHTOOL_ID_ACTIVE: 733 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num, 734 &adapter->beacon_state); 735 if (status) 736 return be_cmd_status(status); 737 return 1; /* cycle on/off once per second */ 738 739 case ETHTOOL_ID_ON: 740 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 741 0, 0, BEACON_STATE_ENABLED); 742 break; 743 744 case ETHTOOL_ID_OFF: 745 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 746 0, 0, BEACON_STATE_DISABLED); 747 break; 748 749 case ETHTOOL_ID_INACTIVE: 750 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 751 0, 0, adapter->beacon_state); 752 } 753 754 return be_cmd_status(status); 755 } 756 757 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump) 758 { 759 struct be_adapter *adapter = netdev_priv(netdev); 760 struct device *dev = &adapter->pdev->dev; 761 int status; 762 763 if (!lancer_chip(adapter) || 764 !check_privilege(adapter, MAX_PRIVILEGES)) 765 return -EOPNOTSUPP; 766 767 switch (dump->flag) { 768 case LANCER_INITIATE_FW_DUMP: 769 status = lancer_initiate_dump(adapter); 770 if (!status) 771 dev_info(dev, "FW dump initiated successfully\n"); 772 break; 773 case LANCER_DELETE_FW_DUMP: 774 status = lancer_delete_dump(adapter); 775 if (!status) 776 dev_info(dev, "FW dump deleted successfully\n"); 777 break; 778 default: 779 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag); 780 return -EINVAL; 781 } 782 return status; 783 } 784 785 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 786 { 787 struct be_adapter *adapter = netdev_priv(netdev); 788 789 if (adapter->wol_cap & BE_WOL_CAP) { 790 wol->supported |= WAKE_MAGIC; 791 if (adapter->wol_en) 792 wol->wolopts |= WAKE_MAGIC; 793 } else { 794 wol->wolopts = 0; 795 } 796 memset(&wol->sopass, 0, sizeof(wol->sopass)); 797 } 798 799 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 800 { 801 struct be_adapter *adapter = netdev_priv(netdev); 802 struct device *dev = &adapter->pdev->dev; 803 struct be_dma_mem cmd; 804 u8 mac[ETH_ALEN]; 805 bool enable; 806 int status; 807 808 if (wol->wolopts & ~WAKE_MAGIC) 809 return -EOPNOTSUPP; 810 811 if (!(adapter->wol_cap & BE_WOL_CAP)) { 812 dev_warn(&adapter->pdev->dev, "WOL not supported\n"); 813 return -EOPNOTSUPP; 814 } 815 816 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); 817 cmd.va = dma_zalloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL); 818 if (!cmd.va) 819 return -ENOMEM; 820 821 eth_zero_addr(mac); 822 823 enable = wol->wolopts & WAKE_MAGIC; 824 if (enable) 825 ether_addr_copy(mac, adapter->netdev->dev_addr); 826 827 status = be_cmd_enable_magic_wol(adapter, mac, &cmd); 828 if (status) { 829 dev_err(dev, "Could not set Wake-on-lan mac address\n"); 830 status = be_cmd_status(status); 831 goto err; 832 } 833 834 pci_enable_wake(adapter->pdev, PCI_D3hot, enable); 835 pci_enable_wake(adapter->pdev, PCI_D3cold, enable); 836 837 adapter->wol_en = enable ? true : false; 838 839 err: 840 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma); 841 return status; 842 } 843 844 static int be_test_ddr_dma(struct be_adapter *adapter) 845 { 846 int ret, i; 847 struct be_dma_mem ddrdma_cmd; 848 static const u64 pattern[2] = { 849 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL 850 }; 851 852 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test); 853 ddrdma_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, 854 ddrdma_cmd.size, &ddrdma_cmd.dma, 855 GFP_KERNEL); 856 if (!ddrdma_cmd.va) 857 return -ENOMEM; 858 859 for (i = 0; i < 2; i++) { 860 ret = be_cmd_ddr_dma_test(adapter, pattern[i], 861 4096, &ddrdma_cmd); 862 if (ret != 0) 863 goto err; 864 } 865 866 err: 867 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va, 868 ddrdma_cmd.dma); 869 return be_cmd_status(ret); 870 } 871 872 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type, 873 u64 *status) 874 { 875 int ret; 876 877 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 878 loopback_type, 1); 879 if (ret) 880 return ret; 881 882 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num, 883 loopback_type, 1500, 2, 0xabc); 884 885 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 886 BE_NO_LOOPBACK, 1); 887 if (ret) 888 return ret; 889 890 return *status; 891 } 892 893 static void be_self_test(struct net_device *netdev, struct ethtool_test *test, 894 u64 *data) 895 { 896 struct be_adapter *adapter = netdev_priv(netdev); 897 int status; 898 u8 link_status = 0; 899 900 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { 901 dev_err(&adapter->pdev->dev, "Self test not supported\n"); 902 test->flags |= ETH_TEST_FL_FAILED; 903 return; 904 } 905 906 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM); 907 908 if (test->flags & ETH_TEST_FL_OFFLINE) { 909 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0) 910 test->flags |= ETH_TEST_FL_FAILED; 911 912 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0) 913 test->flags |= ETH_TEST_FL_FAILED; 914 915 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) { 916 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK, 917 &data[2]) != 0) 918 test->flags |= ETH_TEST_FL_FAILED; 919 test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 920 } 921 } 922 923 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) { 924 data[3] = 1; 925 test->flags |= ETH_TEST_FL_FAILED; 926 } 927 928 status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); 929 if (status) { 930 test->flags |= ETH_TEST_FL_FAILED; 931 data[4] = -1; 932 } else if (!link_status) { 933 test->flags |= ETH_TEST_FL_FAILED; 934 data[4] = 1; 935 } 936 } 937 938 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) 939 { 940 struct be_adapter *adapter = netdev_priv(netdev); 941 942 return be_load_fw(adapter, efl->data); 943 } 944 945 static int 946 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) 947 { 948 struct be_adapter *adapter = netdev_priv(netdev); 949 950 if (!check_privilege(adapter, MAX_PRIVILEGES)) 951 return -EOPNOTSUPP; 952 953 dump->len = be_get_dump_len(adapter); 954 dump->version = 1; 955 dump->flag = 0x1; /* FW dump is enabled */ 956 return 0; 957 } 958 959 static int 960 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, 961 void *buf) 962 { 963 struct be_adapter *adapter = netdev_priv(netdev); 964 int status; 965 966 if (!check_privilege(adapter, MAX_PRIVILEGES)) 967 return -EOPNOTSUPP; 968 969 status = be_read_dump_data(adapter, dump->len, buf); 970 return be_cmd_status(status); 971 } 972 973 static int be_get_eeprom_len(struct net_device *netdev) 974 { 975 struct be_adapter *adapter = netdev_priv(netdev); 976 977 if (!check_privilege(adapter, MAX_PRIVILEGES)) 978 return 0; 979 980 if (lancer_chip(adapter)) { 981 if (be_physfn(adapter)) 982 return lancer_cmd_get_file_len(adapter, 983 LANCER_VPD_PF_FILE); 984 else 985 return lancer_cmd_get_file_len(adapter, 986 LANCER_VPD_VF_FILE); 987 } else { 988 return BE_READ_SEEPROM_LEN; 989 } 990 } 991 992 static int be_read_eeprom(struct net_device *netdev, 993 struct ethtool_eeprom *eeprom, uint8_t *data) 994 { 995 struct be_adapter *adapter = netdev_priv(netdev); 996 struct be_dma_mem eeprom_cmd; 997 struct be_cmd_resp_seeprom_read *resp; 998 int status; 999 1000 if (!eeprom->len) 1001 return -EINVAL; 1002 1003 if (lancer_chip(adapter)) { 1004 if (be_physfn(adapter)) 1005 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE, 1006 eeprom->len, data); 1007 else 1008 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE, 1009 eeprom->len, data); 1010 } 1011 1012 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16); 1013 1014 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem)); 1015 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read); 1016 eeprom_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, 1017 eeprom_cmd.size, &eeprom_cmd.dma, 1018 GFP_KERNEL); 1019 1020 if (!eeprom_cmd.va) 1021 return -ENOMEM; 1022 1023 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd); 1024 1025 if (!status) { 1026 resp = eeprom_cmd.va; 1027 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len); 1028 } 1029 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va, 1030 eeprom_cmd.dma); 1031 1032 return be_cmd_status(status); 1033 } 1034 1035 static u32 be_get_msg_level(struct net_device *netdev) 1036 { 1037 struct be_adapter *adapter = netdev_priv(netdev); 1038 1039 return adapter->msg_enable; 1040 } 1041 1042 static void be_set_msg_level(struct net_device *netdev, u32 level) 1043 { 1044 struct be_adapter *adapter = netdev_priv(netdev); 1045 1046 if (adapter->msg_enable == level) 1047 return; 1048 1049 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW)) 1050 if (BEx_chip(adapter)) 1051 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ? 1052 FW_LOG_LEVEL_DEFAULT : 1053 FW_LOG_LEVEL_FATAL); 1054 adapter->msg_enable = level; 1055 } 1056 1057 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type) 1058 { 1059 u64 data = 0; 1060 1061 switch (flow_type) { 1062 case TCP_V4_FLOW: 1063 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1064 data |= RXH_IP_DST | RXH_IP_SRC; 1065 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4) 1066 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1067 break; 1068 case UDP_V4_FLOW: 1069 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1070 data |= RXH_IP_DST | RXH_IP_SRC; 1071 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4) 1072 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1073 break; 1074 case TCP_V6_FLOW: 1075 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1076 data |= RXH_IP_DST | RXH_IP_SRC; 1077 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6) 1078 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1079 break; 1080 case UDP_V6_FLOW: 1081 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1082 data |= RXH_IP_DST | RXH_IP_SRC; 1083 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6) 1084 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1085 break; 1086 } 1087 1088 return data; 1089 } 1090 1091 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1092 u32 *rule_locs) 1093 { 1094 struct be_adapter *adapter = netdev_priv(netdev); 1095 1096 if (!be_multi_rxq(adapter)) { 1097 dev_info(&adapter->pdev->dev, 1098 "ethtool::get_rxnfc: RX flow hashing is disabled\n"); 1099 return -EINVAL; 1100 } 1101 1102 switch (cmd->cmd) { 1103 case ETHTOOL_GRXFH: 1104 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type); 1105 break; 1106 case ETHTOOL_GRXRINGS: 1107 cmd->data = adapter->num_rx_qs - 1; 1108 break; 1109 default: 1110 return -EINVAL; 1111 } 1112 1113 return 0; 1114 } 1115 1116 static int be_set_rss_hash_opts(struct be_adapter *adapter, 1117 struct ethtool_rxnfc *cmd) 1118 { 1119 int status; 1120 u32 rss_flags = adapter->rss_info.rss_flags; 1121 1122 if (cmd->data != L3_RSS_FLAGS && 1123 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1124 return -EINVAL; 1125 1126 switch (cmd->flow_type) { 1127 case TCP_V4_FLOW: 1128 if (cmd->data == L3_RSS_FLAGS) 1129 rss_flags &= ~RSS_ENABLE_TCP_IPV4; 1130 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1131 rss_flags |= RSS_ENABLE_IPV4 | 1132 RSS_ENABLE_TCP_IPV4; 1133 break; 1134 case TCP_V6_FLOW: 1135 if (cmd->data == L3_RSS_FLAGS) 1136 rss_flags &= ~RSS_ENABLE_TCP_IPV6; 1137 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1138 rss_flags |= RSS_ENABLE_IPV6 | 1139 RSS_ENABLE_TCP_IPV6; 1140 break; 1141 case UDP_V4_FLOW: 1142 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1143 BEx_chip(adapter)) 1144 return -EINVAL; 1145 1146 if (cmd->data == L3_RSS_FLAGS) 1147 rss_flags &= ~RSS_ENABLE_UDP_IPV4; 1148 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1149 rss_flags |= RSS_ENABLE_IPV4 | 1150 RSS_ENABLE_UDP_IPV4; 1151 break; 1152 case UDP_V6_FLOW: 1153 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1154 BEx_chip(adapter)) 1155 return -EINVAL; 1156 1157 if (cmd->data == L3_RSS_FLAGS) 1158 rss_flags &= ~RSS_ENABLE_UDP_IPV6; 1159 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1160 rss_flags |= RSS_ENABLE_IPV6 | 1161 RSS_ENABLE_UDP_IPV6; 1162 break; 1163 default: 1164 return -EINVAL; 1165 } 1166 1167 if (rss_flags == adapter->rss_info.rss_flags) 1168 return 0; 1169 1170 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable, 1171 rss_flags, RSS_INDIR_TABLE_LEN, 1172 adapter->rss_info.rss_hkey); 1173 if (!status) 1174 adapter->rss_info.rss_flags = rss_flags; 1175 1176 return be_cmd_status(status); 1177 } 1178 1179 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1180 { 1181 struct be_adapter *adapter = netdev_priv(netdev); 1182 int status = 0; 1183 1184 if (!be_multi_rxq(adapter)) { 1185 dev_err(&adapter->pdev->dev, 1186 "ethtool::set_rxnfc: RX flow hashing is disabled\n"); 1187 return -EINVAL; 1188 } 1189 1190 switch (cmd->cmd) { 1191 case ETHTOOL_SRXFH: 1192 status = be_set_rss_hash_opts(adapter, cmd); 1193 break; 1194 default: 1195 return -EINVAL; 1196 } 1197 1198 return status; 1199 } 1200 1201 static void be_get_channels(struct net_device *netdev, 1202 struct ethtool_channels *ch) 1203 { 1204 struct be_adapter *adapter = netdev_priv(netdev); 1205 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1); 1206 1207 /* num_tx_qs is always same as the number of irqs used for TX */ 1208 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs); 1209 ch->rx_count = num_rx_irqs - ch->combined_count; 1210 ch->tx_count = adapter->num_tx_qs - ch->combined_count; 1211 1212 ch->max_combined = be_max_qp_irqs(adapter); 1213 /* The user must create atleast one combined channel */ 1214 ch->max_rx = be_max_rx_irqs(adapter) - 1; 1215 ch->max_tx = be_max_tx_irqs(adapter) - 1; 1216 } 1217 1218 static int be_set_channels(struct net_device *netdev, 1219 struct ethtool_channels *ch) 1220 { 1221 struct be_adapter *adapter = netdev_priv(netdev); 1222 int status; 1223 1224 /* we support either only combined channels or a combination of 1225 * combined and either RX-only or TX-only channels. 1226 */ 1227 if (ch->other_count || !ch->combined_count || 1228 (ch->rx_count && ch->tx_count)) 1229 return -EINVAL; 1230 1231 if (ch->combined_count > be_max_qp_irqs(adapter) || 1232 (ch->rx_count && 1233 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) || 1234 (ch->tx_count && 1235 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter))) 1236 return -EINVAL; 1237 1238 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count; 1239 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count; 1240 1241 status = be_update_queues(adapter); 1242 return be_cmd_status(status); 1243 } 1244 1245 static u32 be_get_rxfh_indir_size(struct net_device *netdev) 1246 { 1247 return RSS_INDIR_TABLE_LEN; 1248 } 1249 1250 static u32 be_get_rxfh_key_size(struct net_device *netdev) 1251 { 1252 return RSS_HASH_KEY_LEN; 1253 } 1254 1255 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 1256 u8 *hfunc) 1257 { 1258 struct be_adapter *adapter = netdev_priv(netdev); 1259 int i; 1260 struct rss_info *rss = &adapter->rss_info; 1261 1262 if (indir) { 1263 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) 1264 indir[i] = rss->rss_queue[i]; 1265 } 1266 1267 if (hkey) 1268 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN); 1269 1270 if (hfunc) 1271 *hfunc = ETH_RSS_HASH_TOP; 1272 1273 return 0; 1274 } 1275 1276 static int be_set_rxfh(struct net_device *netdev, const u32 *indir, 1277 const u8 *hkey, const u8 hfunc) 1278 { 1279 int rc = 0, i, j; 1280 struct be_adapter *adapter = netdev_priv(netdev); 1281 u8 rsstable[RSS_INDIR_TABLE_LEN]; 1282 1283 /* We do not allow change in unsupported parameters */ 1284 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1285 return -EOPNOTSUPP; 1286 1287 if (indir) { 1288 struct be_rx_obj *rxo; 1289 1290 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) { 1291 j = indir[i]; 1292 rxo = &adapter->rx_obj[j]; 1293 rsstable[i] = rxo->rss_id; 1294 adapter->rss_info.rss_queue[i] = j; 1295 } 1296 } else { 1297 memcpy(rsstable, adapter->rss_info.rsstable, 1298 RSS_INDIR_TABLE_LEN); 1299 } 1300 1301 if (!hkey) 1302 hkey = adapter->rss_info.rss_hkey; 1303 1304 rc = be_cmd_rss_config(adapter, rsstable, 1305 adapter->rss_info.rss_flags, 1306 RSS_INDIR_TABLE_LEN, hkey); 1307 if (rc) { 1308 adapter->rss_info.rss_flags = RSS_ENABLE_NONE; 1309 return -EIO; 1310 } 1311 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN); 1312 memcpy(adapter->rss_info.rsstable, rsstable, 1313 RSS_INDIR_TABLE_LEN); 1314 return 0; 1315 } 1316 1317 static int be_get_module_info(struct net_device *netdev, 1318 struct ethtool_modinfo *modinfo) 1319 { 1320 struct be_adapter *adapter = netdev_priv(netdev); 1321 u8 page_data[PAGE_DATA_LEN]; 1322 int status; 1323 1324 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1325 return -EOPNOTSUPP; 1326 1327 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1328 page_data); 1329 if (!status) { 1330 if (!page_data[SFP_PLUS_SFF_8472_COMP]) { 1331 modinfo->type = ETH_MODULE_SFF_8079; 1332 modinfo->eeprom_len = PAGE_DATA_LEN; 1333 } else { 1334 modinfo->type = ETH_MODULE_SFF_8472; 1335 modinfo->eeprom_len = 2 * PAGE_DATA_LEN; 1336 } 1337 } 1338 return be_cmd_status(status); 1339 } 1340 1341 static int be_get_module_eeprom(struct net_device *netdev, 1342 struct ethtool_eeprom *eeprom, u8 *data) 1343 { 1344 struct be_adapter *adapter = netdev_priv(netdev); 1345 int status; 1346 1347 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1348 return -EOPNOTSUPP; 1349 1350 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1351 data); 1352 if (status) 1353 goto err; 1354 1355 if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) { 1356 status = be_cmd_read_port_transceiver_data(adapter, 1357 TR_PAGE_A2, 1358 data + 1359 PAGE_DATA_LEN); 1360 if (status) 1361 goto err; 1362 } 1363 if (eeprom->offset) 1364 memcpy(data, data + eeprom->offset, eeprom->len); 1365 err: 1366 return be_cmd_status(status); 1367 } 1368 1369 static u32 be_get_priv_flags(struct net_device *netdev) 1370 { 1371 struct be_adapter *adapter = netdev_priv(netdev); 1372 1373 return adapter->priv_flags; 1374 } 1375 1376 static int be_set_priv_flags(struct net_device *netdev, u32 flags) 1377 { 1378 struct be_adapter *adapter = netdev_priv(netdev); 1379 bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY); 1380 bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY); 1381 1382 if (tpe_old != tpe_new) { 1383 if (tpe_new) { 1384 adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY; 1385 dev_info(&adapter->pdev->dev, 1386 "HW error recovery is disabled\n"); 1387 } else { 1388 adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY; 1389 dev_info(&adapter->pdev->dev, 1390 "HW error recovery is enabled\n"); 1391 } 1392 } 1393 1394 return 0; 1395 } 1396 1397 const struct ethtool_ops be_ethtool_ops = { 1398 .get_drvinfo = be_get_drvinfo, 1399 .get_wol = be_get_wol, 1400 .set_wol = be_set_wol, 1401 .get_link = ethtool_op_get_link, 1402 .get_eeprom_len = be_get_eeprom_len, 1403 .get_eeprom = be_read_eeprom, 1404 .get_coalesce = be_get_coalesce, 1405 .set_coalesce = be_set_coalesce, 1406 .get_ringparam = be_get_ringparam, 1407 .get_pauseparam = be_get_pauseparam, 1408 .set_pauseparam = be_set_pauseparam, 1409 .set_priv_flags = be_set_priv_flags, 1410 .get_priv_flags = be_get_priv_flags, 1411 .get_strings = be_get_stat_strings, 1412 .set_phys_id = be_set_phys_id, 1413 .set_dump = be_set_dump, 1414 .get_msglevel = be_get_msg_level, 1415 .set_msglevel = be_set_msg_level, 1416 .get_sset_count = be_get_sset_count, 1417 .get_ethtool_stats = be_get_ethtool_stats, 1418 .flash_device = be_do_flash, 1419 .self_test = be_self_test, 1420 .get_rxnfc = be_get_rxnfc, 1421 .set_rxnfc = be_set_rxnfc, 1422 .get_rxfh_indir_size = be_get_rxfh_indir_size, 1423 .get_rxfh_key_size = be_get_rxfh_key_size, 1424 .get_rxfh = be_get_rxfh, 1425 .set_rxfh = be_set_rxfh, 1426 .get_dump_flag = be_get_dump_flag, 1427 .get_dump_data = be_get_dump_data, 1428 .get_channels = be_get_channels, 1429 .set_channels = be_set_channels, 1430 .get_module_info = be_get_module_info, 1431 .get_module_eeprom = be_get_module_eeprom, 1432 .get_link_ksettings = be_get_link_ksettings, 1433 }; 1434