1 /* 2 * Copyright (C) 2005 - 2016 Broadcom 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License version 2 7 * as published by the Free Software Foundation. The full GNU General 8 * Public License is included in this distribution in the file called COPYING. 9 * 10 * Contact Information: 11 * linux-drivers@emulex.com 12 * 13 * Emulex 14 * 3333 Susan Street 15 * Costa Mesa, CA 92626 16 */ 17 18 #include "be.h" 19 #include "be_cmds.h" 20 #include <linux/ethtool.h> 21 22 struct be_ethtool_stat { 23 char desc[ETH_GSTRING_LEN]; 24 int type; 25 int size; 26 int offset; 27 }; 28 29 enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT}; 30 #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \ 31 offsetof(_struct, field) 32 #define DRVSTAT_TX_INFO(field) #field, DRVSTAT_TX,\ 33 FIELDINFO(struct be_tx_stats, field) 34 #define DRVSTAT_RX_INFO(field) #field, DRVSTAT_RX,\ 35 FIELDINFO(struct be_rx_stats, field) 36 #define DRVSTAT_INFO(field) #field, DRVSTAT,\ 37 FIELDINFO(struct be_drv_stats, field) 38 39 static const struct be_ethtool_stat et_stats[] = { 40 {DRVSTAT_INFO(rx_crc_errors)}, 41 {DRVSTAT_INFO(rx_alignment_symbol_errors)}, 42 {DRVSTAT_INFO(rx_pause_frames)}, 43 {DRVSTAT_INFO(rx_control_frames)}, 44 /* Received packets dropped when the Ethernet length field 45 * is not equal to the actual Ethernet data length. 46 */ 47 {DRVSTAT_INFO(rx_in_range_errors)}, 48 /* Received packets dropped when their length field is >= 1501 bytes 49 * and <= 1535 bytes. 50 */ 51 {DRVSTAT_INFO(rx_out_range_errors)}, 52 /* Received packets dropped when they are longer than 9216 bytes */ 53 {DRVSTAT_INFO(rx_frame_too_long)}, 54 /* Received packets dropped when they don't pass the unicast or 55 * multicast address filtering. 56 */ 57 {DRVSTAT_INFO(rx_address_filtered)}, 58 /* Received packets dropped when IP packet length field is less than 59 * the IP header length field. 60 */ 61 {DRVSTAT_INFO(rx_dropped_too_small)}, 62 /* Received packets dropped when IP length field is greater than 63 * the actual packet length. 64 */ 65 {DRVSTAT_INFO(rx_dropped_too_short)}, 66 /* Received packets dropped when the IP header length field is less 67 * than 5. 68 */ 69 {DRVSTAT_INFO(rx_dropped_header_too_small)}, 70 /* Received packets dropped when the TCP header length field is less 71 * than 5 or the TCP header length + IP header length is more 72 * than IP packet length. 73 */ 74 {DRVSTAT_INFO(rx_dropped_tcp_length)}, 75 {DRVSTAT_INFO(rx_dropped_runt)}, 76 /* Number of received packets dropped when a fifo for descriptors going 77 * into the packet demux block overflows. In normal operation, this 78 * fifo must never overflow. 79 */ 80 {DRVSTAT_INFO(rxpp_fifo_overflow_drop)}, 81 /* Received packets dropped when the RX block runs out of space in 82 * one of its input FIFOs. This could happen due a long burst of 83 * minimum-sized (64b) frames in the receive path. 84 * This counter may also be erroneously incremented rarely. 85 */ 86 {DRVSTAT_INFO(rx_input_fifo_overflow_drop)}, 87 {DRVSTAT_INFO(rx_ip_checksum_errs)}, 88 {DRVSTAT_INFO(rx_tcp_checksum_errs)}, 89 {DRVSTAT_INFO(rx_udp_checksum_errs)}, 90 {DRVSTAT_INFO(tx_pauseframes)}, 91 {DRVSTAT_INFO(tx_controlframes)}, 92 {DRVSTAT_INFO(rx_priority_pause_frames)}, 93 {DRVSTAT_INFO(tx_priority_pauseframes)}, 94 /* Received packets dropped when an internal fifo going into 95 * main packet buffer tank (PMEM) overflows. 96 */ 97 {DRVSTAT_INFO(pmem_fifo_overflow_drop)}, 98 {DRVSTAT_INFO(jabber_events)}, 99 /* Received packets dropped due to lack of available HW packet buffers 100 * used to temporarily hold the received packets. 101 */ 102 {DRVSTAT_INFO(rx_drops_no_pbuf)}, 103 /* Received packets dropped due to input receive buffer 104 * descriptor fifo overflowing. 105 */ 106 {DRVSTAT_INFO(rx_drops_no_erx_descr)}, 107 /* Packets dropped because the internal FIFO to the offloaded TCP 108 * receive processing block is full. This could happen only for 109 * offloaded iSCSI or FCoE trarffic. 110 */ 111 {DRVSTAT_INFO(rx_drops_no_tpre_descr)}, 112 /* Received packets dropped when they need more than 8 113 * receive buffers. This cannot happen as the driver configures 114 * 2048 byte receive buffers. 115 */ 116 {DRVSTAT_INFO(rx_drops_too_many_frags)}, 117 {DRVSTAT_INFO(forwarded_packets)}, 118 /* Received packets dropped when the frame length 119 * is more than 9018 bytes 120 */ 121 {DRVSTAT_INFO(rx_drops_mtu)}, 122 /* Number of dma mapping errors */ 123 {DRVSTAT_INFO(dma_map_errors)}, 124 /* Number of packets dropped due to random early drop function */ 125 {DRVSTAT_INFO(eth_red_drops)}, 126 {DRVSTAT_INFO(rx_roce_bytes_lsd)}, 127 {DRVSTAT_INFO(rx_roce_bytes_msd)}, 128 {DRVSTAT_INFO(rx_roce_frames)}, 129 {DRVSTAT_INFO(roce_drops_payload_len)}, 130 {DRVSTAT_INFO(roce_drops_crc)} 131 }; 132 133 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats) 134 135 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts 136 * are first and second members respectively. 137 */ 138 static const struct be_ethtool_stat et_rx_stats[] = { 139 {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */ 140 {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */ 141 {DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)}, 142 {DRVSTAT_RX_INFO(rx_compl)}, 143 {DRVSTAT_RX_INFO(rx_compl_err)}, 144 {DRVSTAT_RX_INFO(rx_mcast_pkts)}, 145 /* Number of page allocation failures while posting receive buffers 146 * to HW. 147 */ 148 {DRVSTAT_RX_INFO(rx_post_fail)}, 149 /* Recevied packets dropped due to skb allocation failure */ 150 {DRVSTAT_RX_INFO(rx_drops_no_skbs)}, 151 /* Received packets dropped due to lack of available fetched buffers 152 * posted by the driver. 153 */ 154 {DRVSTAT_RX_INFO(rx_drops_no_frags)} 155 }; 156 157 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats)) 158 159 /* Stats related to multi TX queues: get_stats routine assumes compl is the 160 * first member 161 */ 162 static const struct be_ethtool_stat et_tx_stats[] = { 163 {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */ 164 /* This counter is incremented when the HW encounters an error while 165 * parsing the packet header of an outgoing TX request. This counter is 166 * applicable only for BE2, BE3 and Skyhawk based adapters. 167 */ 168 {DRVSTAT_TX_INFO(tx_hdr_parse_err)}, 169 /* This counter is incremented when an error occurs in the DMA 170 * operation associated with the TX request from the host to the device. 171 */ 172 {DRVSTAT_TX_INFO(tx_dma_err)}, 173 /* This counter is incremented when MAC or VLAN spoof checking is 174 * enabled on the interface and the TX request fails the spoof check 175 * in HW. 176 */ 177 {DRVSTAT_TX_INFO(tx_spoof_check_err)}, 178 /* This counter is incremented when the HW encounters an error while 179 * performing TSO offload. This counter is applicable only for Lancer 180 * adapters. 181 */ 182 {DRVSTAT_TX_INFO(tx_tso_err)}, 183 /* This counter is incremented when the HW detects Q-in-Q style VLAN 184 * tagging in a packet and such tagging is not expected on the outgoing 185 * interface. This counter is applicable only for Lancer adapters. 186 */ 187 {DRVSTAT_TX_INFO(tx_qinq_err)}, 188 /* This counter is incremented when the HW detects parity errors in the 189 * packet data. This counter is applicable only for Lancer adapters. 190 */ 191 {DRVSTAT_TX_INFO(tx_internal_parity_err)}, 192 {DRVSTAT_TX_INFO(tx_bytes)}, 193 {DRVSTAT_TX_INFO(tx_pkts)}, 194 {DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)}, 195 /* Number of skbs queued for trasmission by the driver */ 196 {DRVSTAT_TX_INFO(tx_reqs)}, 197 /* Number of times the TX queue was stopped due to lack 198 * of spaces in the TXQ. 199 */ 200 {DRVSTAT_TX_INFO(tx_stops)}, 201 /* Pkts dropped in the driver's transmit path */ 202 {DRVSTAT_TX_INFO(tx_drv_drops)} 203 }; 204 205 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats)) 206 207 static const char et_self_tests[][ETH_GSTRING_LEN] = { 208 "MAC Loopback test", 209 "PHY Loopback test", 210 "External Loopback test", 211 "DDR DMA test", 212 "Link test" 213 }; 214 215 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests) 216 #define BE_MAC_LOOPBACK 0x0 217 #define BE_PHY_LOOPBACK 0x1 218 #define BE_ONE_PORT_EXT_LOOPBACK 0x2 219 #define BE_NO_LOOPBACK 0xff 220 221 static void be_get_drvinfo(struct net_device *netdev, 222 struct ethtool_drvinfo *drvinfo) 223 { 224 struct be_adapter *adapter = netdev_priv(netdev); 225 226 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 227 strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version)); 228 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN)) 229 strlcpy(drvinfo->fw_version, adapter->fw_ver, 230 sizeof(drvinfo->fw_version)); 231 else 232 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 233 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash); 234 235 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 236 sizeof(drvinfo->bus_info)); 237 } 238 239 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name) 240 { 241 u32 data_read = 0, eof; 242 u8 addn_status; 243 struct be_dma_mem data_len_cmd; 244 245 memset(&data_len_cmd, 0, sizeof(data_len_cmd)); 246 /* data_offset and data_size should be 0 to get reg len */ 247 lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name, 248 &data_read, &eof, &addn_status); 249 250 return data_read; 251 } 252 253 static int be_get_dump_len(struct be_adapter *adapter) 254 { 255 u32 dump_size = 0; 256 257 if (lancer_chip(adapter)) 258 dump_size = lancer_cmd_get_file_len(adapter, 259 LANCER_FW_DUMP_FILE); 260 else 261 dump_size = adapter->fat_dump_len; 262 263 return dump_size; 264 } 265 266 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name, 267 u32 buf_len, void *buf) 268 { 269 struct be_dma_mem read_cmd; 270 u32 read_len = 0, total_read_len = 0, chunk_size; 271 u32 eof = 0; 272 u8 addn_status; 273 int status = 0; 274 275 read_cmd.size = LANCER_READ_FILE_CHUNK; 276 read_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, read_cmd.size, 277 &read_cmd.dma, GFP_ATOMIC); 278 279 if (!read_cmd.va) { 280 dev_err(&adapter->pdev->dev, 281 "Memory allocation failure while reading dump\n"); 282 return -ENOMEM; 283 } 284 285 while ((total_read_len < buf_len) && !eof) { 286 chunk_size = min_t(u32, (buf_len - total_read_len), 287 LANCER_READ_FILE_CHUNK); 288 chunk_size = ALIGN(chunk_size, 4); 289 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size, 290 total_read_len, file_name, 291 &read_len, &eof, &addn_status); 292 if (!status) { 293 memcpy(buf + total_read_len, read_cmd.va, read_len); 294 total_read_len += read_len; 295 eof &= LANCER_READ_FILE_EOF_MASK; 296 } else { 297 status = -EIO; 298 break; 299 } 300 } 301 dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va, 302 read_cmd.dma); 303 304 return status; 305 } 306 307 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len, 308 void *buf) 309 { 310 int status = 0; 311 312 if (lancer_chip(adapter)) 313 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE, 314 dump_len, buf); 315 else 316 status = be_cmd_get_fat_dump(adapter, dump_len, buf); 317 318 return status; 319 } 320 321 static int be_get_coalesce(struct net_device *netdev, 322 struct ethtool_coalesce *et) 323 { 324 struct be_adapter *adapter = netdev_priv(netdev); 325 struct be_aic_obj *aic = &adapter->aic_obj[0]; 326 327 et->rx_coalesce_usecs = aic->prev_eqd; 328 et->rx_coalesce_usecs_high = aic->max_eqd; 329 et->rx_coalesce_usecs_low = aic->min_eqd; 330 331 et->tx_coalesce_usecs = aic->prev_eqd; 332 et->tx_coalesce_usecs_high = aic->max_eqd; 333 et->tx_coalesce_usecs_low = aic->min_eqd; 334 335 et->use_adaptive_rx_coalesce = aic->enable; 336 et->use_adaptive_tx_coalesce = aic->enable; 337 338 return 0; 339 } 340 341 /* TX attributes are ignored. Only RX attributes are considered 342 * eqd cmd is issued in the worker thread. 343 */ 344 static int be_set_coalesce(struct net_device *netdev, 345 struct ethtool_coalesce *et) 346 { 347 struct be_adapter *adapter = netdev_priv(netdev); 348 struct be_aic_obj *aic = &adapter->aic_obj[0]; 349 struct be_eq_obj *eqo; 350 int i; 351 352 for_all_evt_queues(adapter, eqo, i) { 353 aic->enable = et->use_adaptive_rx_coalesce; 354 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD); 355 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd); 356 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd); 357 aic->et_eqd = max(aic->et_eqd, aic->min_eqd); 358 aic++; 359 } 360 361 /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled. 362 * When AIC is disabled, persistently force set EQD value via the 363 * FW cmd, so that we don't have to calculate the delay multiplier 364 * encode value each time EQ_DB is rung 365 */ 366 if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter)) 367 be_eqd_update(adapter, true); 368 369 return 0; 370 } 371 372 static void be_get_ethtool_stats(struct net_device *netdev, 373 struct ethtool_stats *stats, uint64_t *data) 374 { 375 struct be_adapter *adapter = netdev_priv(netdev); 376 struct be_rx_obj *rxo; 377 struct be_tx_obj *txo; 378 void *p; 379 unsigned int i, j, base = 0, start; 380 381 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 382 p = (u8 *)&adapter->drv_stats + et_stats[i].offset; 383 data[i] = *(u32 *)p; 384 } 385 base += ETHTOOL_STATS_NUM; 386 387 for_all_rx_queues(adapter, rxo, j) { 388 struct be_rx_stats *stats = rx_stats(rxo); 389 390 do { 391 start = u64_stats_fetch_begin_irq(&stats->sync); 392 data[base] = stats->rx_bytes; 393 data[base + 1] = stats->rx_pkts; 394 } while (u64_stats_fetch_retry_irq(&stats->sync, start)); 395 396 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) { 397 p = (u8 *)stats + et_rx_stats[i].offset; 398 data[base + i] = *(u32 *)p; 399 } 400 base += ETHTOOL_RXSTATS_NUM; 401 } 402 403 for_all_tx_queues(adapter, txo, j) { 404 struct be_tx_stats *stats = tx_stats(txo); 405 406 do { 407 start = u64_stats_fetch_begin_irq(&stats->sync_compl); 408 data[base] = stats->tx_compl; 409 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start)); 410 411 do { 412 start = u64_stats_fetch_begin_irq(&stats->sync); 413 for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) { 414 p = (u8 *)stats + et_tx_stats[i].offset; 415 data[base + i] = 416 (et_tx_stats[i].size == sizeof(u64)) ? 417 *(u64 *)p : *(u32 *)p; 418 } 419 } while (u64_stats_fetch_retry_irq(&stats->sync, start)); 420 base += ETHTOOL_TXSTATS_NUM; 421 } 422 } 423 424 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset, 425 uint8_t *data) 426 { 427 struct be_adapter *adapter = netdev_priv(netdev); 428 int i, j; 429 430 switch (stringset) { 431 case ETH_SS_STATS: 432 for (i = 0; i < ETHTOOL_STATS_NUM; i++) { 433 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN); 434 data += ETH_GSTRING_LEN; 435 } 436 for (i = 0; i < adapter->num_rx_qs; i++) { 437 for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) { 438 sprintf(data, "rxq%d: %s", i, 439 et_rx_stats[j].desc); 440 data += ETH_GSTRING_LEN; 441 } 442 } 443 for (i = 0; i < adapter->num_tx_qs; i++) { 444 for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) { 445 sprintf(data, "txq%d: %s", i, 446 et_tx_stats[j].desc); 447 data += ETH_GSTRING_LEN; 448 } 449 } 450 break; 451 case ETH_SS_TEST: 452 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) { 453 memcpy(data, et_self_tests[i], ETH_GSTRING_LEN); 454 data += ETH_GSTRING_LEN; 455 } 456 break; 457 } 458 } 459 460 static int be_get_sset_count(struct net_device *netdev, int stringset) 461 { 462 struct be_adapter *adapter = netdev_priv(netdev); 463 464 switch (stringset) { 465 case ETH_SS_TEST: 466 return ETHTOOL_TESTS_NUM; 467 case ETH_SS_STATS: 468 return ETHTOOL_STATS_NUM + 469 adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM + 470 adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM; 471 default: 472 return -EINVAL; 473 } 474 } 475 476 static u32 be_get_port_type(struct be_adapter *adapter) 477 { 478 u32 port; 479 480 switch (adapter->phy.interface_type) { 481 case PHY_TYPE_BASET_1GB: 482 case PHY_TYPE_BASEX_1GB: 483 case PHY_TYPE_SGMII: 484 port = PORT_TP; 485 break; 486 case PHY_TYPE_SFP_PLUS_10GB: 487 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE) 488 port = PORT_DA; 489 else 490 port = PORT_FIBRE; 491 break; 492 case PHY_TYPE_QSFP: 493 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE) 494 port = PORT_DA; 495 else 496 port = PORT_FIBRE; 497 break; 498 case PHY_TYPE_XFP_10GB: 499 case PHY_TYPE_SFP_1GB: 500 port = PORT_FIBRE; 501 break; 502 case PHY_TYPE_BASET_10GB: 503 port = PORT_TP; 504 break; 505 default: 506 port = PORT_OTHER; 507 } 508 509 return port; 510 } 511 512 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds) 513 { 514 u32 val = 0; 515 516 switch (adapter->phy.interface_type) { 517 case PHY_TYPE_BASET_1GB: 518 case PHY_TYPE_BASEX_1GB: 519 case PHY_TYPE_SGMII: 520 val |= SUPPORTED_TP; 521 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 522 val |= SUPPORTED_1000baseT_Full; 523 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 524 val |= SUPPORTED_100baseT_Full; 525 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS) 526 val |= SUPPORTED_10baseT_Full; 527 break; 528 case PHY_TYPE_KX4_10GB: 529 val |= SUPPORTED_Backplane; 530 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 531 val |= SUPPORTED_1000baseKX_Full; 532 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 533 val |= SUPPORTED_10000baseKX4_Full; 534 break; 535 case PHY_TYPE_KR2_20GB: 536 val |= SUPPORTED_Backplane; 537 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 538 val |= SUPPORTED_10000baseKR_Full; 539 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS) 540 val |= SUPPORTED_20000baseKR2_Full; 541 break; 542 case PHY_TYPE_KR_10GB: 543 val |= SUPPORTED_Backplane | 544 SUPPORTED_10000baseKR_Full; 545 break; 546 case PHY_TYPE_KR4_40GB: 547 val |= SUPPORTED_Backplane; 548 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 549 val |= SUPPORTED_10000baseKR_Full; 550 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) 551 val |= SUPPORTED_40000baseKR4_Full; 552 break; 553 case PHY_TYPE_QSFP: 554 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) { 555 switch (adapter->phy.cable_type) { 556 case QSFP_PLUS_CR4_CABLE: 557 val |= SUPPORTED_40000baseCR4_Full; 558 break; 559 case QSFP_PLUS_LR4_CABLE: 560 val |= SUPPORTED_40000baseLR4_Full; 561 break; 562 default: 563 val |= SUPPORTED_40000baseSR4_Full; 564 break; 565 } 566 } 567 case PHY_TYPE_SFP_PLUS_10GB: 568 case PHY_TYPE_XFP_10GB: 569 case PHY_TYPE_SFP_1GB: 570 val |= SUPPORTED_FIBRE; 571 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 572 val |= SUPPORTED_10000baseT_Full; 573 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 574 val |= SUPPORTED_1000baseT_Full; 575 break; 576 case PHY_TYPE_BASET_10GB: 577 val |= SUPPORTED_TP; 578 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS) 579 val |= SUPPORTED_10000baseT_Full; 580 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS) 581 val |= SUPPORTED_1000baseT_Full; 582 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS) 583 val |= SUPPORTED_100baseT_Full; 584 break; 585 default: 586 val |= SUPPORTED_TP; 587 } 588 589 return val; 590 } 591 592 bool be_pause_supported(struct be_adapter *adapter) 593 { 594 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB || 595 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ? 596 false : true; 597 } 598 599 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) 600 { 601 struct be_adapter *adapter = netdev_priv(netdev); 602 u8 link_status; 603 u16 link_speed = 0; 604 int status; 605 u32 auto_speeds; 606 u32 fixed_speeds; 607 608 if (adapter->phy.link_speed < 0) { 609 status = be_cmd_link_status_query(adapter, &link_speed, 610 &link_status, 0); 611 if (!status) 612 be_link_status_update(adapter, link_status); 613 ethtool_cmd_speed_set(ecmd, link_speed); 614 615 status = be_cmd_get_phy_info(adapter); 616 if (!status) { 617 auto_speeds = adapter->phy.auto_speeds_supported; 618 fixed_speeds = adapter->phy.fixed_speeds_supported; 619 620 be_cmd_query_cable_type(adapter); 621 622 ecmd->supported = 623 convert_to_et_setting(adapter, 624 auto_speeds | 625 fixed_speeds); 626 ecmd->advertising = 627 convert_to_et_setting(adapter, auto_speeds); 628 629 ecmd->port = be_get_port_type(adapter); 630 631 if (adapter->phy.auto_speeds_supported) { 632 ecmd->supported |= SUPPORTED_Autoneg; 633 ecmd->autoneg = AUTONEG_ENABLE; 634 ecmd->advertising |= ADVERTISED_Autoneg; 635 } 636 637 ecmd->supported |= SUPPORTED_Pause; 638 if (be_pause_supported(adapter)) 639 ecmd->advertising |= ADVERTISED_Pause; 640 641 switch (adapter->phy.interface_type) { 642 case PHY_TYPE_KR_10GB: 643 case PHY_TYPE_KX4_10GB: 644 ecmd->transceiver = XCVR_INTERNAL; 645 break; 646 default: 647 ecmd->transceiver = XCVR_EXTERNAL; 648 break; 649 } 650 } else { 651 ecmd->port = PORT_OTHER; 652 ecmd->autoneg = AUTONEG_DISABLE; 653 ecmd->transceiver = XCVR_DUMMY1; 654 } 655 656 /* Save for future use */ 657 adapter->phy.link_speed = ethtool_cmd_speed(ecmd); 658 adapter->phy.port_type = ecmd->port; 659 adapter->phy.transceiver = ecmd->transceiver; 660 adapter->phy.autoneg = ecmd->autoneg; 661 adapter->phy.advertising = ecmd->advertising; 662 adapter->phy.supported = ecmd->supported; 663 } else { 664 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed); 665 ecmd->port = adapter->phy.port_type; 666 ecmd->transceiver = adapter->phy.transceiver; 667 ecmd->autoneg = adapter->phy.autoneg; 668 ecmd->advertising = adapter->phy.advertising; 669 ecmd->supported = adapter->phy.supported; 670 } 671 672 ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN; 673 ecmd->phy_address = adapter->port_num; 674 675 return 0; 676 } 677 678 static void be_get_ringparam(struct net_device *netdev, 679 struct ethtool_ringparam *ring) 680 { 681 struct be_adapter *adapter = netdev_priv(netdev); 682 683 ring->rx_max_pending = adapter->rx_obj[0].q.len; 684 ring->rx_pending = adapter->rx_obj[0].q.len; 685 ring->tx_max_pending = adapter->tx_obj[0].q.len; 686 ring->tx_pending = adapter->tx_obj[0].q.len; 687 } 688 689 static void 690 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 691 { 692 struct be_adapter *adapter = netdev_priv(netdev); 693 694 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause); 695 ecmd->autoneg = adapter->phy.fc_autoneg; 696 } 697 698 static int 699 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) 700 { 701 struct be_adapter *adapter = netdev_priv(netdev); 702 int status; 703 704 if (ecmd->autoneg != adapter->phy.fc_autoneg) 705 return -EINVAL; 706 707 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause, 708 ecmd->rx_pause); 709 if (status) { 710 dev_warn(&adapter->pdev->dev, "Pause param set failed\n"); 711 return be_cmd_status(status); 712 } 713 714 adapter->tx_fc = ecmd->tx_pause; 715 adapter->rx_fc = ecmd->rx_pause; 716 return 0; 717 } 718 719 static int be_set_phys_id(struct net_device *netdev, 720 enum ethtool_phys_id_state state) 721 { 722 struct be_adapter *adapter = netdev_priv(netdev); 723 int status = 0; 724 725 switch (state) { 726 case ETHTOOL_ID_ACTIVE: 727 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num, 728 &adapter->beacon_state); 729 if (status) 730 return be_cmd_status(status); 731 return 1; /* cycle on/off once per second */ 732 733 case ETHTOOL_ID_ON: 734 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 735 0, 0, BEACON_STATE_ENABLED); 736 break; 737 738 case ETHTOOL_ID_OFF: 739 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 740 0, 0, BEACON_STATE_DISABLED); 741 break; 742 743 case ETHTOOL_ID_INACTIVE: 744 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 745 0, 0, adapter->beacon_state); 746 } 747 748 return be_cmd_status(status); 749 } 750 751 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump) 752 { 753 struct be_adapter *adapter = netdev_priv(netdev); 754 struct device *dev = &adapter->pdev->dev; 755 int status; 756 757 if (!lancer_chip(adapter) || 758 !check_privilege(adapter, MAX_PRIVILEGES)) 759 return -EOPNOTSUPP; 760 761 switch (dump->flag) { 762 case LANCER_INITIATE_FW_DUMP: 763 status = lancer_initiate_dump(adapter); 764 if (!status) 765 dev_info(dev, "FW dump initiated successfully\n"); 766 break; 767 case LANCER_DELETE_FW_DUMP: 768 status = lancer_delete_dump(adapter); 769 if (!status) 770 dev_info(dev, "FW dump deleted successfully\n"); 771 break; 772 default: 773 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag); 774 return -EINVAL; 775 } 776 return status; 777 } 778 779 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 780 { 781 struct be_adapter *adapter = netdev_priv(netdev); 782 783 if (adapter->wol_cap & BE_WOL_CAP) { 784 wol->supported |= WAKE_MAGIC; 785 if (adapter->wol_en) 786 wol->wolopts |= WAKE_MAGIC; 787 } else { 788 wol->wolopts = 0; 789 } 790 memset(&wol->sopass, 0, sizeof(wol->sopass)); 791 } 792 793 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 794 { 795 struct be_adapter *adapter = netdev_priv(netdev); 796 struct device *dev = &adapter->pdev->dev; 797 struct be_dma_mem cmd; 798 u8 mac[ETH_ALEN]; 799 bool enable; 800 int status; 801 802 if (wol->wolopts & ~WAKE_MAGIC) 803 return -EOPNOTSUPP; 804 805 if (!(adapter->wol_cap & BE_WOL_CAP)) { 806 dev_warn(&adapter->pdev->dev, "WOL not supported\n"); 807 return -EOPNOTSUPP; 808 } 809 810 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); 811 cmd.va = dma_zalloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL); 812 if (!cmd.va) 813 return -ENOMEM; 814 815 eth_zero_addr(mac); 816 817 enable = wol->wolopts & WAKE_MAGIC; 818 if (enable) 819 ether_addr_copy(mac, adapter->netdev->dev_addr); 820 821 status = be_cmd_enable_magic_wol(adapter, mac, &cmd); 822 if (status) { 823 dev_err(dev, "Could not set Wake-on-lan mac address\n"); 824 status = be_cmd_status(status); 825 goto err; 826 } 827 828 pci_enable_wake(adapter->pdev, PCI_D3hot, enable); 829 pci_enable_wake(adapter->pdev, PCI_D3cold, enable); 830 831 adapter->wol_en = enable ? true : false; 832 833 err: 834 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma); 835 return status; 836 } 837 838 static int be_test_ddr_dma(struct be_adapter *adapter) 839 { 840 int ret, i; 841 struct be_dma_mem ddrdma_cmd; 842 static const u64 pattern[2] = { 843 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL 844 }; 845 846 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test); 847 ddrdma_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, 848 ddrdma_cmd.size, &ddrdma_cmd.dma, 849 GFP_KERNEL); 850 if (!ddrdma_cmd.va) 851 return -ENOMEM; 852 853 for (i = 0; i < 2; i++) { 854 ret = be_cmd_ddr_dma_test(adapter, pattern[i], 855 4096, &ddrdma_cmd); 856 if (ret != 0) 857 goto err; 858 } 859 860 err: 861 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va, 862 ddrdma_cmd.dma); 863 return be_cmd_status(ret); 864 } 865 866 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type, 867 u64 *status) 868 { 869 int ret; 870 871 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 872 loopback_type, 1); 873 if (ret) 874 return ret; 875 876 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num, 877 loopback_type, 1500, 2, 0xabc); 878 879 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num, 880 BE_NO_LOOPBACK, 1); 881 if (ret) 882 return ret; 883 884 return *status; 885 } 886 887 static void be_self_test(struct net_device *netdev, struct ethtool_test *test, 888 u64 *data) 889 { 890 struct be_adapter *adapter = netdev_priv(netdev); 891 int status; 892 u8 link_status = 0; 893 894 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) { 895 dev_err(&adapter->pdev->dev, "Self test not supported\n"); 896 test->flags |= ETH_TEST_FL_FAILED; 897 return; 898 } 899 900 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM); 901 902 if (test->flags & ETH_TEST_FL_OFFLINE) { 903 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0) 904 test->flags |= ETH_TEST_FL_FAILED; 905 906 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0) 907 test->flags |= ETH_TEST_FL_FAILED; 908 909 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) { 910 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK, 911 &data[2]) != 0) 912 test->flags |= ETH_TEST_FL_FAILED; 913 test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; 914 } 915 } 916 917 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) { 918 data[3] = 1; 919 test->flags |= ETH_TEST_FL_FAILED; 920 } 921 922 status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); 923 if (status) { 924 test->flags |= ETH_TEST_FL_FAILED; 925 data[4] = -1; 926 } else if (!link_status) { 927 test->flags |= ETH_TEST_FL_FAILED; 928 data[4] = 1; 929 } 930 } 931 932 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) 933 { 934 struct be_adapter *adapter = netdev_priv(netdev); 935 936 return be_load_fw(adapter, efl->data); 937 } 938 939 static int 940 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) 941 { 942 struct be_adapter *adapter = netdev_priv(netdev); 943 944 if (!check_privilege(adapter, MAX_PRIVILEGES)) 945 return -EOPNOTSUPP; 946 947 dump->len = be_get_dump_len(adapter); 948 dump->version = 1; 949 dump->flag = 0x1; /* FW dump is enabled */ 950 return 0; 951 } 952 953 static int 954 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, 955 void *buf) 956 { 957 struct be_adapter *adapter = netdev_priv(netdev); 958 int status; 959 960 if (!check_privilege(adapter, MAX_PRIVILEGES)) 961 return -EOPNOTSUPP; 962 963 status = be_read_dump_data(adapter, dump->len, buf); 964 return be_cmd_status(status); 965 } 966 967 static int be_get_eeprom_len(struct net_device *netdev) 968 { 969 struct be_adapter *adapter = netdev_priv(netdev); 970 971 if (!check_privilege(adapter, MAX_PRIVILEGES)) 972 return 0; 973 974 if (lancer_chip(adapter)) { 975 if (be_physfn(adapter)) 976 return lancer_cmd_get_file_len(adapter, 977 LANCER_VPD_PF_FILE); 978 else 979 return lancer_cmd_get_file_len(adapter, 980 LANCER_VPD_VF_FILE); 981 } else { 982 return BE_READ_SEEPROM_LEN; 983 } 984 } 985 986 static int be_read_eeprom(struct net_device *netdev, 987 struct ethtool_eeprom *eeprom, uint8_t *data) 988 { 989 struct be_adapter *adapter = netdev_priv(netdev); 990 struct be_dma_mem eeprom_cmd; 991 struct be_cmd_resp_seeprom_read *resp; 992 int status; 993 994 if (!eeprom->len) 995 return -EINVAL; 996 997 if (lancer_chip(adapter)) { 998 if (be_physfn(adapter)) 999 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE, 1000 eeprom->len, data); 1001 else 1002 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE, 1003 eeprom->len, data); 1004 } 1005 1006 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16); 1007 1008 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem)); 1009 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read); 1010 eeprom_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, 1011 eeprom_cmd.size, &eeprom_cmd.dma, 1012 GFP_KERNEL); 1013 1014 if (!eeprom_cmd.va) 1015 return -ENOMEM; 1016 1017 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd); 1018 1019 if (!status) { 1020 resp = eeprom_cmd.va; 1021 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len); 1022 } 1023 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va, 1024 eeprom_cmd.dma); 1025 1026 return be_cmd_status(status); 1027 } 1028 1029 static u32 be_get_msg_level(struct net_device *netdev) 1030 { 1031 struct be_adapter *adapter = netdev_priv(netdev); 1032 1033 return adapter->msg_enable; 1034 } 1035 1036 static void be_set_msg_level(struct net_device *netdev, u32 level) 1037 { 1038 struct be_adapter *adapter = netdev_priv(netdev); 1039 1040 if (adapter->msg_enable == level) 1041 return; 1042 1043 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW)) 1044 if (BEx_chip(adapter)) 1045 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ? 1046 FW_LOG_LEVEL_DEFAULT : 1047 FW_LOG_LEVEL_FATAL); 1048 adapter->msg_enable = level; 1049 } 1050 1051 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type) 1052 { 1053 u64 data = 0; 1054 1055 switch (flow_type) { 1056 case TCP_V4_FLOW: 1057 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4) 1058 data |= RXH_IP_DST | RXH_IP_SRC; 1059 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4) 1060 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1061 break; 1062 case UDP_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_UDP_IPV4) 1066 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1067 break; 1068 case TCP_V6_FLOW: 1069 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6) 1070 data |= RXH_IP_DST | RXH_IP_SRC; 1071 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6) 1072 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1073 break; 1074 case UDP_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_UDP_IPV6) 1078 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1079 break; 1080 } 1081 1082 return data; 1083 } 1084 1085 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1086 u32 *rule_locs) 1087 { 1088 struct be_adapter *adapter = netdev_priv(netdev); 1089 1090 if (!be_multi_rxq(adapter)) { 1091 dev_info(&adapter->pdev->dev, 1092 "ethtool::get_rxnfc: RX flow hashing is disabled\n"); 1093 return -EINVAL; 1094 } 1095 1096 switch (cmd->cmd) { 1097 case ETHTOOL_GRXFH: 1098 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type); 1099 break; 1100 case ETHTOOL_GRXRINGS: 1101 cmd->data = adapter->num_rx_qs - 1; 1102 break; 1103 default: 1104 return -EINVAL; 1105 } 1106 1107 return 0; 1108 } 1109 1110 static int be_set_rss_hash_opts(struct be_adapter *adapter, 1111 struct ethtool_rxnfc *cmd) 1112 { 1113 int status; 1114 u32 rss_flags = adapter->rss_info.rss_flags; 1115 1116 if (cmd->data != L3_RSS_FLAGS && 1117 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1118 return -EINVAL; 1119 1120 switch (cmd->flow_type) { 1121 case TCP_V4_FLOW: 1122 if (cmd->data == L3_RSS_FLAGS) 1123 rss_flags &= ~RSS_ENABLE_TCP_IPV4; 1124 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1125 rss_flags |= RSS_ENABLE_IPV4 | 1126 RSS_ENABLE_TCP_IPV4; 1127 break; 1128 case TCP_V6_FLOW: 1129 if (cmd->data == L3_RSS_FLAGS) 1130 rss_flags &= ~RSS_ENABLE_TCP_IPV6; 1131 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1132 rss_flags |= RSS_ENABLE_IPV6 | 1133 RSS_ENABLE_TCP_IPV6; 1134 break; 1135 case UDP_V4_FLOW: 1136 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1137 BEx_chip(adapter)) 1138 return -EINVAL; 1139 1140 if (cmd->data == L3_RSS_FLAGS) 1141 rss_flags &= ~RSS_ENABLE_UDP_IPV4; 1142 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1143 rss_flags |= RSS_ENABLE_IPV4 | 1144 RSS_ENABLE_UDP_IPV4; 1145 break; 1146 case UDP_V6_FLOW: 1147 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) && 1148 BEx_chip(adapter)) 1149 return -EINVAL; 1150 1151 if (cmd->data == L3_RSS_FLAGS) 1152 rss_flags &= ~RSS_ENABLE_UDP_IPV6; 1153 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) 1154 rss_flags |= RSS_ENABLE_IPV6 | 1155 RSS_ENABLE_UDP_IPV6; 1156 break; 1157 default: 1158 return -EINVAL; 1159 } 1160 1161 if (rss_flags == adapter->rss_info.rss_flags) 1162 return 0; 1163 1164 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable, 1165 rss_flags, RSS_INDIR_TABLE_LEN, 1166 adapter->rss_info.rss_hkey); 1167 if (!status) 1168 adapter->rss_info.rss_flags = rss_flags; 1169 1170 return be_cmd_status(status); 1171 } 1172 1173 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 1174 { 1175 struct be_adapter *adapter = netdev_priv(netdev); 1176 int status = 0; 1177 1178 if (!be_multi_rxq(adapter)) { 1179 dev_err(&adapter->pdev->dev, 1180 "ethtool::set_rxnfc: RX flow hashing is disabled\n"); 1181 return -EINVAL; 1182 } 1183 1184 switch (cmd->cmd) { 1185 case ETHTOOL_SRXFH: 1186 status = be_set_rss_hash_opts(adapter, cmd); 1187 break; 1188 default: 1189 return -EINVAL; 1190 } 1191 1192 return status; 1193 } 1194 1195 static void be_get_channels(struct net_device *netdev, 1196 struct ethtool_channels *ch) 1197 { 1198 struct be_adapter *adapter = netdev_priv(netdev); 1199 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1); 1200 1201 /* num_tx_qs is always same as the number of irqs used for TX */ 1202 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs); 1203 ch->rx_count = num_rx_irqs - ch->combined_count; 1204 ch->tx_count = adapter->num_tx_qs - ch->combined_count; 1205 1206 ch->max_combined = be_max_qp_irqs(adapter); 1207 /* The user must create atleast one combined channel */ 1208 ch->max_rx = be_max_rx_irqs(adapter) - 1; 1209 ch->max_tx = be_max_tx_irqs(adapter) - 1; 1210 } 1211 1212 static int be_set_channels(struct net_device *netdev, 1213 struct ethtool_channels *ch) 1214 { 1215 struct be_adapter *adapter = netdev_priv(netdev); 1216 int status; 1217 1218 /* we support either only combined channels or a combination of 1219 * combined and either RX-only or TX-only channels. 1220 */ 1221 if (ch->other_count || !ch->combined_count || 1222 (ch->rx_count && ch->tx_count)) 1223 return -EINVAL; 1224 1225 if (ch->combined_count > be_max_qp_irqs(adapter) || 1226 (ch->rx_count && 1227 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) || 1228 (ch->tx_count && 1229 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter))) 1230 return -EINVAL; 1231 1232 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count; 1233 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count; 1234 1235 status = be_update_queues(adapter); 1236 return be_cmd_status(status); 1237 } 1238 1239 static u32 be_get_rxfh_indir_size(struct net_device *netdev) 1240 { 1241 return RSS_INDIR_TABLE_LEN; 1242 } 1243 1244 static u32 be_get_rxfh_key_size(struct net_device *netdev) 1245 { 1246 return RSS_HASH_KEY_LEN; 1247 } 1248 1249 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 1250 u8 *hfunc) 1251 { 1252 struct be_adapter *adapter = netdev_priv(netdev); 1253 int i; 1254 struct rss_info *rss = &adapter->rss_info; 1255 1256 if (indir) { 1257 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) 1258 indir[i] = rss->rss_queue[i]; 1259 } 1260 1261 if (hkey) 1262 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN); 1263 1264 if (hfunc) 1265 *hfunc = ETH_RSS_HASH_TOP; 1266 1267 return 0; 1268 } 1269 1270 static int be_set_rxfh(struct net_device *netdev, const u32 *indir, 1271 const u8 *hkey, const u8 hfunc) 1272 { 1273 int rc = 0, i, j; 1274 struct be_adapter *adapter = netdev_priv(netdev); 1275 u8 rsstable[RSS_INDIR_TABLE_LEN]; 1276 1277 /* We do not allow change in unsupported parameters */ 1278 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1279 return -EOPNOTSUPP; 1280 1281 if (indir) { 1282 struct be_rx_obj *rxo; 1283 1284 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) { 1285 j = indir[i]; 1286 rxo = &adapter->rx_obj[j]; 1287 rsstable[i] = rxo->rss_id; 1288 adapter->rss_info.rss_queue[i] = j; 1289 } 1290 } else { 1291 memcpy(rsstable, adapter->rss_info.rsstable, 1292 RSS_INDIR_TABLE_LEN); 1293 } 1294 1295 if (!hkey) 1296 hkey = adapter->rss_info.rss_hkey; 1297 1298 rc = be_cmd_rss_config(adapter, rsstable, 1299 adapter->rss_info.rss_flags, 1300 RSS_INDIR_TABLE_LEN, hkey); 1301 if (rc) { 1302 adapter->rss_info.rss_flags = RSS_ENABLE_NONE; 1303 return -EIO; 1304 } 1305 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN); 1306 memcpy(adapter->rss_info.rsstable, rsstable, 1307 RSS_INDIR_TABLE_LEN); 1308 return 0; 1309 } 1310 1311 static int be_get_module_info(struct net_device *netdev, 1312 struct ethtool_modinfo *modinfo) 1313 { 1314 struct be_adapter *adapter = netdev_priv(netdev); 1315 u8 page_data[PAGE_DATA_LEN]; 1316 int status; 1317 1318 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1319 return -EOPNOTSUPP; 1320 1321 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1322 page_data); 1323 if (!status) { 1324 if (!page_data[SFP_PLUS_SFF_8472_COMP]) { 1325 modinfo->type = ETH_MODULE_SFF_8079; 1326 modinfo->eeprom_len = PAGE_DATA_LEN; 1327 } else { 1328 modinfo->type = ETH_MODULE_SFF_8472; 1329 modinfo->eeprom_len = 2 * PAGE_DATA_LEN; 1330 } 1331 } 1332 return be_cmd_status(status); 1333 } 1334 1335 static int be_get_module_eeprom(struct net_device *netdev, 1336 struct ethtool_eeprom *eeprom, u8 *data) 1337 { 1338 struct be_adapter *adapter = netdev_priv(netdev); 1339 int status; 1340 1341 if (!check_privilege(adapter, MAX_PRIVILEGES)) 1342 return -EOPNOTSUPP; 1343 1344 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, 1345 data); 1346 if (status) 1347 goto err; 1348 1349 if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) { 1350 status = be_cmd_read_port_transceiver_data(adapter, 1351 TR_PAGE_A2, 1352 data + 1353 PAGE_DATA_LEN); 1354 if (status) 1355 goto err; 1356 } 1357 if (eeprom->offset) 1358 memcpy(data, data + eeprom->offset, eeprom->len); 1359 err: 1360 return be_cmd_status(status); 1361 } 1362 1363 const struct ethtool_ops be_ethtool_ops = { 1364 .get_settings = be_get_settings, 1365 .get_drvinfo = be_get_drvinfo, 1366 .get_wol = be_get_wol, 1367 .set_wol = be_set_wol, 1368 .get_link = ethtool_op_get_link, 1369 .get_eeprom_len = be_get_eeprom_len, 1370 .get_eeprom = be_read_eeprom, 1371 .get_coalesce = be_get_coalesce, 1372 .set_coalesce = be_set_coalesce, 1373 .get_ringparam = be_get_ringparam, 1374 .get_pauseparam = be_get_pauseparam, 1375 .set_pauseparam = be_set_pauseparam, 1376 .get_strings = be_get_stat_strings, 1377 .set_phys_id = be_set_phys_id, 1378 .set_dump = be_set_dump, 1379 .get_msglevel = be_get_msg_level, 1380 .set_msglevel = be_set_msg_level, 1381 .get_sset_count = be_get_sset_count, 1382 .get_ethtool_stats = be_get_ethtool_stats, 1383 .flash_device = be_do_flash, 1384 .self_test = be_self_test, 1385 .get_rxnfc = be_get_rxnfc, 1386 .set_rxnfc = be_set_rxnfc, 1387 .get_rxfh_indir_size = be_get_rxfh_indir_size, 1388 .get_rxfh_key_size = be_get_rxfh_key_size, 1389 .get_rxfh = be_get_rxfh, 1390 .set_rxfh = be_set_rxfh, 1391 .get_dump_flag = be_get_dump_flag, 1392 .get_dump_data = be_get_dump_data, 1393 .get_channels = be_get_channels, 1394 .set_channels = be_set_channels, 1395 .get_module_info = be_get_module_info, 1396 .get_module_eeprom = be_get_module_eeprom 1397 }; 1398