1 /* 2 * Linux network driver for QLogic BR-series Converged Network Adapter. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License (GPL) Version 2 as 6 * published by the Free Software Foundation 7 * 8 * This program is distributed in the hope that it will be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11 * General Public License for more details. 12 */ 13 /* 14 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 15 * Copyright (c) 2014-2015 QLogic Corporation 16 * All rights reserved 17 * www.qlogic.com 18 */ 19 20 #include "cna.h" 21 22 #include <linux/netdevice.h> 23 #include <linux/skbuff.h> 24 #include <linux/ethtool.h> 25 #include <linux/rtnetlink.h> 26 27 #include "bna.h" 28 29 #include "bnad.h" 30 31 #define BNAD_NUM_TXF_COUNTERS 12 32 #define BNAD_NUM_RXF_COUNTERS 10 33 #define BNAD_NUM_CQ_COUNTERS (3 + 5) 34 #define BNAD_NUM_RXQ_COUNTERS 7 35 #define BNAD_NUM_TXQ_COUNTERS 5 36 37 static const char *bnad_net_stats_strings[] = { 38 "rx_packets", 39 "tx_packets", 40 "rx_bytes", 41 "tx_bytes", 42 "rx_errors", 43 "tx_errors", 44 "rx_dropped", 45 "tx_dropped", 46 "multicast", 47 "collisions", 48 "rx_length_errors", 49 "rx_crc_errors", 50 "rx_frame_errors", 51 "tx_fifo_errors", 52 53 "netif_queue_stop", 54 "netif_queue_wakeup", 55 "netif_queue_stopped", 56 "tso4", 57 "tso6", 58 "tso_err", 59 "tcpcsum_offload", 60 "udpcsum_offload", 61 "csum_help", 62 "tx_skb_too_short", 63 "tx_skb_stopping", 64 "tx_skb_max_vectors", 65 "tx_skb_mss_too_long", 66 "tx_skb_tso_too_short", 67 "tx_skb_tso_prepare", 68 "tx_skb_non_tso_too_long", 69 "tx_skb_tcp_hdr", 70 "tx_skb_udp_hdr", 71 "tx_skb_csum_err", 72 "tx_skb_headlen_too_long", 73 "tx_skb_headlen_zero", 74 "tx_skb_frag_zero", 75 "tx_skb_len_mismatch", 76 "tx_skb_map_failed", 77 "hw_stats_updates", 78 "netif_rx_dropped", 79 80 "link_toggle", 81 "cee_toggle", 82 83 "rxp_info_alloc_failed", 84 "mbox_intr_disabled", 85 "mbox_intr_enabled", 86 "tx_unmap_q_alloc_failed", 87 "rx_unmap_q_alloc_failed", 88 "rxbuf_alloc_failed", 89 "rxbuf_map_failed", 90 91 "mac_stats_clr_cnt", 92 "mac_frame_64", 93 "mac_frame_65_127", 94 "mac_frame_128_255", 95 "mac_frame_256_511", 96 "mac_frame_512_1023", 97 "mac_frame_1024_1518", 98 "mac_frame_1518_1522", 99 "mac_rx_bytes", 100 "mac_rx_packets", 101 "mac_rx_fcs_error", 102 "mac_rx_multicast", 103 "mac_rx_broadcast", 104 "mac_rx_control_frames", 105 "mac_rx_pause", 106 "mac_rx_unknown_opcode", 107 "mac_rx_alignment_error", 108 "mac_rx_frame_length_error", 109 "mac_rx_code_error", 110 "mac_rx_carrier_sense_error", 111 "mac_rx_undersize", 112 "mac_rx_oversize", 113 "mac_rx_fragments", 114 "mac_rx_jabber", 115 "mac_rx_drop", 116 117 "mac_tx_bytes", 118 "mac_tx_packets", 119 "mac_tx_multicast", 120 "mac_tx_broadcast", 121 "mac_tx_pause", 122 "mac_tx_deferral", 123 "mac_tx_excessive_deferral", 124 "mac_tx_single_collision", 125 "mac_tx_muliple_collision", 126 "mac_tx_late_collision", 127 "mac_tx_excessive_collision", 128 "mac_tx_total_collision", 129 "mac_tx_pause_honored", 130 "mac_tx_drop", 131 "mac_tx_jabber", 132 "mac_tx_fcs_error", 133 "mac_tx_control_frame", 134 "mac_tx_oversize", 135 "mac_tx_undersize", 136 "mac_tx_fragments", 137 138 "bpc_tx_pause_0", 139 "bpc_tx_pause_1", 140 "bpc_tx_pause_2", 141 "bpc_tx_pause_3", 142 "bpc_tx_pause_4", 143 "bpc_tx_pause_5", 144 "bpc_tx_pause_6", 145 "bpc_tx_pause_7", 146 "bpc_tx_zero_pause_0", 147 "bpc_tx_zero_pause_1", 148 "bpc_tx_zero_pause_2", 149 "bpc_tx_zero_pause_3", 150 "bpc_tx_zero_pause_4", 151 "bpc_tx_zero_pause_5", 152 "bpc_tx_zero_pause_6", 153 "bpc_tx_zero_pause_7", 154 "bpc_tx_first_pause_0", 155 "bpc_tx_first_pause_1", 156 "bpc_tx_first_pause_2", 157 "bpc_tx_first_pause_3", 158 "bpc_tx_first_pause_4", 159 "bpc_tx_first_pause_5", 160 "bpc_tx_first_pause_6", 161 "bpc_tx_first_pause_7", 162 163 "bpc_rx_pause_0", 164 "bpc_rx_pause_1", 165 "bpc_rx_pause_2", 166 "bpc_rx_pause_3", 167 "bpc_rx_pause_4", 168 "bpc_rx_pause_5", 169 "bpc_rx_pause_6", 170 "bpc_rx_pause_7", 171 "bpc_rx_zero_pause_0", 172 "bpc_rx_zero_pause_1", 173 "bpc_rx_zero_pause_2", 174 "bpc_rx_zero_pause_3", 175 "bpc_rx_zero_pause_4", 176 "bpc_rx_zero_pause_5", 177 "bpc_rx_zero_pause_6", 178 "bpc_rx_zero_pause_7", 179 "bpc_rx_first_pause_0", 180 "bpc_rx_first_pause_1", 181 "bpc_rx_first_pause_2", 182 "bpc_rx_first_pause_3", 183 "bpc_rx_first_pause_4", 184 "bpc_rx_first_pause_5", 185 "bpc_rx_first_pause_6", 186 "bpc_rx_first_pause_7", 187 188 "rad_rx_frames", 189 "rad_rx_octets", 190 "rad_rx_vlan_frames", 191 "rad_rx_ucast", 192 "rad_rx_ucast_octets", 193 "rad_rx_ucast_vlan", 194 "rad_rx_mcast", 195 "rad_rx_mcast_octets", 196 "rad_rx_mcast_vlan", 197 "rad_rx_bcast", 198 "rad_rx_bcast_octets", 199 "rad_rx_bcast_vlan", 200 "rad_rx_drops", 201 202 "rlb_rad_rx_frames", 203 "rlb_rad_rx_octets", 204 "rlb_rad_rx_vlan_frames", 205 "rlb_rad_rx_ucast", 206 "rlb_rad_rx_ucast_octets", 207 "rlb_rad_rx_ucast_vlan", 208 "rlb_rad_rx_mcast", 209 "rlb_rad_rx_mcast_octets", 210 "rlb_rad_rx_mcast_vlan", 211 "rlb_rad_rx_bcast", 212 "rlb_rad_rx_bcast_octets", 213 "rlb_rad_rx_bcast_vlan", 214 "rlb_rad_rx_drops", 215 216 "fc_rx_ucast_octets", 217 "fc_rx_ucast", 218 "fc_rx_ucast_vlan", 219 "fc_rx_mcast_octets", 220 "fc_rx_mcast", 221 "fc_rx_mcast_vlan", 222 "fc_rx_bcast_octets", 223 "fc_rx_bcast", 224 "fc_rx_bcast_vlan", 225 226 "fc_tx_ucast_octets", 227 "fc_tx_ucast", 228 "fc_tx_ucast_vlan", 229 "fc_tx_mcast_octets", 230 "fc_tx_mcast", 231 "fc_tx_mcast_vlan", 232 "fc_tx_bcast_octets", 233 "fc_tx_bcast", 234 "fc_tx_bcast_vlan", 235 "fc_tx_parity_errors", 236 "fc_tx_timeout", 237 "fc_tx_fid_parity_errors", 238 }; 239 240 #define BNAD_ETHTOOL_STATS_NUM ARRAY_SIZE(bnad_net_stats_strings) 241 242 static int 243 bnad_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) 244 { 245 cmd->supported = SUPPORTED_10000baseT_Full; 246 cmd->advertising = ADVERTISED_10000baseT_Full; 247 cmd->autoneg = AUTONEG_DISABLE; 248 cmd->supported |= SUPPORTED_FIBRE; 249 cmd->advertising |= ADVERTISED_FIBRE; 250 cmd->port = PORT_FIBRE; 251 cmd->phy_address = 0; 252 253 if (netif_carrier_ok(netdev)) { 254 ethtool_cmd_speed_set(cmd, SPEED_10000); 255 cmd->duplex = DUPLEX_FULL; 256 } else { 257 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN); 258 cmd->duplex = DUPLEX_UNKNOWN; 259 } 260 cmd->transceiver = XCVR_EXTERNAL; 261 cmd->maxtxpkt = 0; 262 cmd->maxrxpkt = 0; 263 264 return 0; 265 } 266 267 static int 268 bnad_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd) 269 { 270 /* 10G full duplex setting supported only */ 271 if (cmd->autoneg == AUTONEG_ENABLE) 272 return -EOPNOTSUPP; else { 273 if ((ethtool_cmd_speed(cmd) == SPEED_10000) 274 && (cmd->duplex == DUPLEX_FULL)) 275 return 0; 276 } 277 278 return -EOPNOTSUPP; 279 } 280 281 static void 282 bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 283 { 284 struct bnad *bnad = netdev_priv(netdev); 285 struct bfa_ioc_attr *ioc_attr; 286 unsigned long flags; 287 288 strlcpy(drvinfo->driver, BNAD_NAME, sizeof(drvinfo->driver)); 289 strlcpy(drvinfo->version, BNAD_VERSION, sizeof(drvinfo->version)); 290 291 ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL); 292 if (ioc_attr) { 293 spin_lock_irqsave(&bnad->bna_lock, flags); 294 bfa_nw_ioc_get_attr(&bnad->bna.ioceth.ioc, ioc_attr); 295 spin_unlock_irqrestore(&bnad->bna_lock, flags); 296 297 strlcpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver, 298 sizeof(drvinfo->fw_version)); 299 kfree(ioc_attr); 300 } 301 302 strlcpy(drvinfo->bus_info, pci_name(bnad->pcidev), 303 sizeof(drvinfo->bus_info)); 304 } 305 306 static void 307 bnad_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wolinfo) 308 { 309 wolinfo->supported = 0; 310 wolinfo->wolopts = 0; 311 } 312 313 static int 314 bnad_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) 315 { 316 struct bnad *bnad = netdev_priv(netdev); 317 unsigned long flags; 318 319 /* Lock rqd. to access bnad->bna_lock */ 320 spin_lock_irqsave(&bnad->bna_lock, flags); 321 coalesce->use_adaptive_rx_coalesce = 322 (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) ? true : false; 323 spin_unlock_irqrestore(&bnad->bna_lock, flags); 324 325 coalesce->rx_coalesce_usecs = bnad->rx_coalescing_timeo * 326 BFI_COALESCING_TIMER_UNIT; 327 coalesce->tx_coalesce_usecs = bnad->tx_coalescing_timeo * 328 BFI_COALESCING_TIMER_UNIT; 329 coalesce->tx_max_coalesced_frames = BFI_TX_INTERPKT_COUNT; 330 331 return 0; 332 } 333 334 static int 335 bnad_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) 336 { 337 struct bnad *bnad = netdev_priv(netdev); 338 unsigned long flags; 339 int to_del = 0; 340 341 if (coalesce->rx_coalesce_usecs == 0 || 342 coalesce->rx_coalesce_usecs > 343 BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT) 344 return -EINVAL; 345 346 if (coalesce->tx_coalesce_usecs == 0 || 347 coalesce->tx_coalesce_usecs > 348 BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT) 349 return -EINVAL; 350 351 mutex_lock(&bnad->conf_mutex); 352 /* 353 * Do not need to store rx_coalesce_usecs here 354 * Every time DIM is disabled, we can get it from the 355 * stack. 356 */ 357 spin_lock_irqsave(&bnad->bna_lock, flags); 358 if (coalesce->use_adaptive_rx_coalesce) { 359 if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) { 360 bnad->cfg_flags |= BNAD_CF_DIM_ENABLED; 361 bnad_dim_timer_start(bnad); 362 } 363 } else { 364 if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) { 365 bnad->cfg_flags &= ~BNAD_CF_DIM_ENABLED; 366 if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED && 367 test_bit(BNAD_RF_DIM_TIMER_RUNNING, 368 &bnad->run_flags)) { 369 clear_bit(BNAD_RF_DIM_TIMER_RUNNING, 370 &bnad->run_flags); 371 to_del = 1; 372 } 373 spin_unlock_irqrestore(&bnad->bna_lock, flags); 374 if (to_del) 375 del_timer_sync(&bnad->dim_timer); 376 spin_lock_irqsave(&bnad->bna_lock, flags); 377 bnad_rx_coalescing_timeo_set(bnad); 378 } 379 } 380 if (bnad->tx_coalescing_timeo != coalesce->tx_coalesce_usecs / 381 BFI_COALESCING_TIMER_UNIT) { 382 bnad->tx_coalescing_timeo = coalesce->tx_coalesce_usecs / 383 BFI_COALESCING_TIMER_UNIT; 384 bnad_tx_coalescing_timeo_set(bnad); 385 } 386 387 if (bnad->rx_coalescing_timeo != coalesce->rx_coalesce_usecs / 388 BFI_COALESCING_TIMER_UNIT) { 389 bnad->rx_coalescing_timeo = coalesce->rx_coalesce_usecs / 390 BFI_COALESCING_TIMER_UNIT; 391 392 if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) 393 bnad_rx_coalescing_timeo_set(bnad); 394 395 } 396 397 /* Add Tx Inter-pkt DMA count? */ 398 399 spin_unlock_irqrestore(&bnad->bna_lock, flags); 400 401 mutex_unlock(&bnad->conf_mutex); 402 return 0; 403 } 404 405 static void 406 bnad_get_ringparam(struct net_device *netdev, 407 struct ethtool_ringparam *ringparam) 408 { 409 struct bnad *bnad = netdev_priv(netdev); 410 411 ringparam->rx_max_pending = BNAD_MAX_RXQ_DEPTH; 412 ringparam->tx_max_pending = BNAD_MAX_TXQ_DEPTH; 413 414 ringparam->rx_pending = bnad->rxq_depth; 415 ringparam->tx_pending = bnad->txq_depth; 416 } 417 418 static int 419 bnad_set_ringparam(struct net_device *netdev, 420 struct ethtool_ringparam *ringparam) 421 { 422 int i, current_err, err = 0; 423 struct bnad *bnad = netdev_priv(netdev); 424 unsigned long flags; 425 426 mutex_lock(&bnad->conf_mutex); 427 if (ringparam->rx_pending == bnad->rxq_depth && 428 ringparam->tx_pending == bnad->txq_depth) { 429 mutex_unlock(&bnad->conf_mutex); 430 return 0; 431 } 432 433 if (ringparam->rx_pending < BNAD_MIN_Q_DEPTH || 434 ringparam->rx_pending > BNAD_MAX_RXQ_DEPTH || 435 !is_power_of_2(ringparam->rx_pending)) { 436 mutex_unlock(&bnad->conf_mutex); 437 return -EINVAL; 438 } 439 if (ringparam->tx_pending < BNAD_MIN_Q_DEPTH || 440 ringparam->tx_pending > BNAD_MAX_TXQ_DEPTH || 441 !is_power_of_2(ringparam->tx_pending)) { 442 mutex_unlock(&bnad->conf_mutex); 443 return -EINVAL; 444 } 445 446 if (ringparam->rx_pending != bnad->rxq_depth) { 447 bnad->rxq_depth = ringparam->rx_pending; 448 if (!netif_running(netdev)) { 449 mutex_unlock(&bnad->conf_mutex); 450 return 0; 451 } 452 453 for (i = 0; i < bnad->num_rx; i++) { 454 if (!bnad->rx_info[i].rx) 455 continue; 456 bnad_destroy_rx(bnad, i); 457 current_err = bnad_setup_rx(bnad, i); 458 if (current_err && !err) 459 err = current_err; 460 } 461 462 if (!err && bnad->rx_info[0].rx) { 463 /* restore rx configuration */ 464 bnad_restore_vlans(bnad, 0); 465 bnad_enable_default_bcast(bnad); 466 spin_lock_irqsave(&bnad->bna_lock, flags); 467 bnad_mac_addr_set_locked(bnad, netdev->dev_addr); 468 spin_unlock_irqrestore(&bnad->bna_lock, flags); 469 bnad->cfg_flags &= ~(BNAD_CF_ALLMULTI | 470 BNAD_CF_PROMISC); 471 bnad_set_rx_mode(netdev); 472 } 473 } 474 if (ringparam->tx_pending != bnad->txq_depth) { 475 bnad->txq_depth = ringparam->tx_pending; 476 if (!netif_running(netdev)) { 477 mutex_unlock(&bnad->conf_mutex); 478 return 0; 479 } 480 481 for (i = 0; i < bnad->num_tx; i++) { 482 if (!bnad->tx_info[i].tx) 483 continue; 484 bnad_destroy_tx(bnad, i); 485 current_err = bnad_setup_tx(bnad, i); 486 if (current_err && !err) 487 err = current_err; 488 } 489 } 490 491 mutex_unlock(&bnad->conf_mutex); 492 return err; 493 } 494 495 static void 496 bnad_get_pauseparam(struct net_device *netdev, 497 struct ethtool_pauseparam *pauseparam) 498 { 499 struct bnad *bnad = netdev_priv(netdev); 500 501 pauseparam->autoneg = 0; 502 pauseparam->rx_pause = bnad->bna.enet.pause_config.rx_pause; 503 pauseparam->tx_pause = bnad->bna.enet.pause_config.tx_pause; 504 } 505 506 static int 507 bnad_set_pauseparam(struct net_device *netdev, 508 struct ethtool_pauseparam *pauseparam) 509 { 510 struct bnad *bnad = netdev_priv(netdev); 511 struct bna_pause_config pause_config; 512 unsigned long flags; 513 514 if (pauseparam->autoneg == AUTONEG_ENABLE) 515 return -EINVAL; 516 517 mutex_lock(&bnad->conf_mutex); 518 if (pauseparam->rx_pause != bnad->bna.enet.pause_config.rx_pause || 519 pauseparam->tx_pause != bnad->bna.enet.pause_config.tx_pause) { 520 pause_config.rx_pause = pauseparam->rx_pause; 521 pause_config.tx_pause = pauseparam->tx_pause; 522 spin_lock_irqsave(&bnad->bna_lock, flags); 523 bna_enet_pause_config(&bnad->bna.enet, &pause_config); 524 spin_unlock_irqrestore(&bnad->bna_lock, flags); 525 } 526 mutex_unlock(&bnad->conf_mutex); 527 return 0; 528 } 529 530 static void 531 bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string) 532 { 533 struct bnad *bnad = netdev_priv(netdev); 534 int i, j, q_num; 535 u32 bmap; 536 537 mutex_lock(&bnad->conf_mutex); 538 539 switch (stringset) { 540 case ETH_SS_STATS: 541 for (i = 0; i < BNAD_ETHTOOL_STATS_NUM; i++) { 542 BUG_ON(!(strlen(bnad_net_stats_strings[i]) < 543 ETH_GSTRING_LEN)); 544 memcpy(string, bnad_net_stats_strings[i], 545 ETH_GSTRING_LEN); 546 string += ETH_GSTRING_LEN; 547 } 548 bmap = bna_tx_rid_mask(&bnad->bna); 549 for (i = 0; bmap; i++) { 550 if (bmap & 1) { 551 sprintf(string, "txf%d_ucast_octets", i); 552 string += ETH_GSTRING_LEN; 553 sprintf(string, "txf%d_ucast", i); 554 string += ETH_GSTRING_LEN; 555 sprintf(string, "txf%d_ucast_vlan", i); 556 string += ETH_GSTRING_LEN; 557 sprintf(string, "txf%d_mcast_octets", i); 558 string += ETH_GSTRING_LEN; 559 sprintf(string, "txf%d_mcast", i); 560 string += ETH_GSTRING_LEN; 561 sprintf(string, "txf%d_mcast_vlan", i); 562 string += ETH_GSTRING_LEN; 563 sprintf(string, "txf%d_bcast_octets", i); 564 string += ETH_GSTRING_LEN; 565 sprintf(string, "txf%d_bcast", i); 566 string += ETH_GSTRING_LEN; 567 sprintf(string, "txf%d_bcast_vlan", i); 568 string += ETH_GSTRING_LEN; 569 sprintf(string, "txf%d_errors", i); 570 string += ETH_GSTRING_LEN; 571 sprintf(string, "txf%d_filter_vlan", i); 572 string += ETH_GSTRING_LEN; 573 sprintf(string, "txf%d_filter_mac_sa", i); 574 string += ETH_GSTRING_LEN; 575 } 576 bmap >>= 1; 577 } 578 579 bmap = bna_rx_rid_mask(&bnad->bna); 580 for (i = 0; bmap; i++) { 581 if (bmap & 1) { 582 sprintf(string, "rxf%d_ucast_octets", i); 583 string += ETH_GSTRING_LEN; 584 sprintf(string, "rxf%d_ucast", i); 585 string += ETH_GSTRING_LEN; 586 sprintf(string, "rxf%d_ucast_vlan", i); 587 string += ETH_GSTRING_LEN; 588 sprintf(string, "rxf%d_mcast_octets", i); 589 string += ETH_GSTRING_LEN; 590 sprintf(string, "rxf%d_mcast", i); 591 string += ETH_GSTRING_LEN; 592 sprintf(string, "rxf%d_mcast_vlan", i); 593 string += ETH_GSTRING_LEN; 594 sprintf(string, "rxf%d_bcast_octets", i); 595 string += ETH_GSTRING_LEN; 596 sprintf(string, "rxf%d_bcast", i); 597 string += ETH_GSTRING_LEN; 598 sprintf(string, "rxf%d_bcast_vlan", i); 599 string += ETH_GSTRING_LEN; 600 sprintf(string, "rxf%d_frame_drops", i); 601 string += ETH_GSTRING_LEN; 602 } 603 bmap >>= 1; 604 } 605 606 q_num = 0; 607 for (i = 0; i < bnad->num_rx; i++) { 608 if (!bnad->rx_info[i].rx) 609 continue; 610 for (j = 0; j < bnad->num_rxp_per_rx; j++) { 611 sprintf(string, "cq%d_producer_index", q_num); 612 string += ETH_GSTRING_LEN; 613 sprintf(string, "cq%d_consumer_index", q_num); 614 string += ETH_GSTRING_LEN; 615 sprintf(string, "cq%d_hw_producer_index", 616 q_num); 617 string += ETH_GSTRING_LEN; 618 sprintf(string, "cq%d_intr", q_num); 619 string += ETH_GSTRING_LEN; 620 sprintf(string, "cq%d_poll", q_num); 621 string += ETH_GSTRING_LEN; 622 sprintf(string, "cq%d_schedule", q_num); 623 string += ETH_GSTRING_LEN; 624 sprintf(string, "cq%d_keep_poll", q_num); 625 string += ETH_GSTRING_LEN; 626 sprintf(string, "cq%d_complete", q_num); 627 string += ETH_GSTRING_LEN; 628 q_num++; 629 } 630 } 631 632 q_num = 0; 633 for (i = 0; i < bnad->num_rx; i++) { 634 if (!bnad->rx_info[i].rx) 635 continue; 636 for (j = 0; j < bnad->num_rxp_per_rx; j++) { 637 sprintf(string, "rxq%d_packets", q_num); 638 string += ETH_GSTRING_LEN; 639 sprintf(string, "rxq%d_bytes", q_num); 640 string += ETH_GSTRING_LEN; 641 sprintf(string, "rxq%d_packets_with_error", 642 q_num); 643 string += ETH_GSTRING_LEN; 644 sprintf(string, "rxq%d_allocbuf_failed", q_num); 645 string += ETH_GSTRING_LEN; 646 sprintf(string, "rxq%d_mapbuf_failed", q_num); 647 string += ETH_GSTRING_LEN; 648 sprintf(string, "rxq%d_producer_index", q_num); 649 string += ETH_GSTRING_LEN; 650 sprintf(string, "rxq%d_consumer_index", q_num); 651 string += ETH_GSTRING_LEN; 652 q_num++; 653 if (bnad->rx_info[i].rx_ctrl[j].ccb && 654 bnad->rx_info[i].rx_ctrl[j].ccb-> 655 rcb[1] && 656 bnad->rx_info[i].rx_ctrl[j].ccb-> 657 rcb[1]->rxq) { 658 sprintf(string, "rxq%d_packets", q_num); 659 string += ETH_GSTRING_LEN; 660 sprintf(string, "rxq%d_bytes", q_num); 661 string += ETH_GSTRING_LEN; 662 sprintf(string, 663 "rxq%d_packets_with_error", q_num); 664 string += ETH_GSTRING_LEN; 665 sprintf(string, "rxq%d_allocbuf_failed", 666 q_num); 667 string += ETH_GSTRING_LEN; 668 sprintf(string, "rxq%d_mapbuf_failed", 669 q_num); 670 string += ETH_GSTRING_LEN; 671 sprintf(string, "rxq%d_producer_index", 672 q_num); 673 string += ETH_GSTRING_LEN; 674 sprintf(string, "rxq%d_consumer_index", 675 q_num); 676 string += ETH_GSTRING_LEN; 677 q_num++; 678 } 679 } 680 } 681 682 q_num = 0; 683 for (i = 0; i < bnad->num_tx; i++) { 684 if (!bnad->tx_info[i].tx) 685 continue; 686 for (j = 0; j < bnad->num_txq_per_tx; j++) { 687 sprintf(string, "txq%d_packets", q_num); 688 string += ETH_GSTRING_LEN; 689 sprintf(string, "txq%d_bytes", q_num); 690 string += ETH_GSTRING_LEN; 691 sprintf(string, "txq%d_producer_index", q_num); 692 string += ETH_GSTRING_LEN; 693 sprintf(string, "txq%d_consumer_index", q_num); 694 string += ETH_GSTRING_LEN; 695 sprintf(string, "txq%d_hw_consumer_index", 696 q_num); 697 string += ETH_GSTRING_LEN; 698 q_num++; 699 } 700 } 701 702 break; 703 704 default: 705 break; 706 } 707 708 mutex_unlock(&bnad->conf_mutex); 709 } 710 711 static int 712 bnad_get_stats_count_locked(struct net_device *netdev) 713 { 714 struct bnad *bnad = netdev_priv(netdev); 715 int i, j, count = 0, rxf_active_num = 0, txf_active_num = 0; 716 u32 bmap; 717 718 bmap = bna_tx_rid_mask(&bnad->bna); 719 for (i = 0; bmap; i++) { 720 if (bmap & 1) 721 txf_active_num++; 722 bmap >>= 1; 723 } 724 bmap = bna_rx_rid_mask(&bnad->bna); 725 for (i = 0; bmap; i++) { 726 if (bmap & 1) 727 rxf_active_num++; 728 bmap >>= 1; 729 } 730 count = BNAD_ETHTOOL_STATS_NUM + 731 txf_active_num * BNAD_NUM_TXF_COUNTERS + 732 rxf_active_num * BNAD_NUM_RXF_COUNTERS; 733 734 for (i = 0; i < bnad->num_rx; i++) { 735 if (!bnad->rx_info[i].rx) 736 continue; 737 count += bnad->num_rxp_per_rx * BNAD_NUM_CQ_COUNTERS; 738 count += bnad->num_rxp_per_rx * BNAD_NUM_RXQ_COUNTERS; 739 for (j = 0; j < bnad->num_rxp_per_rx; j++) 740 if (bnad->rx_info[i].rx_ctrl[j].ccb && 741 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && 742 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq) 743 count += BNAD_NUM_RXQ_COUNTERS; 744 } 745 746 for (i = 0; i < bnad->num_tx; i++) { 747 if (!bnad->tx_info[i].tx) 748 continue; 749 count += bnad->num_txq_per_tx * BNAD_NUM_TXQ_COUNTERS; 750 } 751 return count; 752 } 753 754 static int 755 bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi) 756 { 757 int i, j; 758 struct bna_rcb *rcb = NULL; 759 struct bna_tcb *tcb = NULL; 760 761 for (i = 0; i < bnad->num_rx; i++) { 762 if (!bnad->rx_info[i].rx) 763 continue; 764 for (j = 0; j < bnad->num_rxp_per_rx; j++) 765 if (bnad->rx_info[i].rx_ctrl[j].ccb && 766 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] && 767 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0]->rxq) { 768 buf[bi++] = bnad->rx_info[i].rx_ctrl[j]. 769 ccb->producer_index; 770 buf[bi++] = 0; /* ccb->consumer_index */ 771 buf[bi++] = *(bnad->rx_info[i].rx_ctrl[j]. 772 ccb->hw_producer_index); 773 774 buf[bi++] = bnad->rx_info[i]. 775 rx_ctrl[j].rx_intr_ctr; 776 buf[bi++] = bnad->rx_info[i]. 777 rx_ctrl[j].rx_poll_ctr; 778 buf[bi++] = bnad->rx_info[i]. 779 rx_ctrl[j].rx_schedule; 780 buf[bi++] = bnad->rx_info[i]. 781 rx_ctrl[j].rx_keep_poll; 782 buf[bi++] = bnad->rx_info[i]. 783 rx_ctrl[j].rx_complete; 784 } 785 } 786 for (i = 0; i < bnad->num_rx; i++) { 787 if (!bnad->rx_info[i].rx) 788 continue; 789 for (j = 0; j < bnad->num_rxp_per_rx; j++) 790 if (bnad->rx_info[i].rx_ctrl[j].ccb) { 791 if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] && 792 bnad->rx_info[i].rx_ctrl[j].ccb-> 793 rcb[0]->rxq) { 794 rcb = bnad->rx_info[i].rx_ctrl[j]. 795 ccb->rcb[0]; 796 buf[bi++] = rcb->rxq->rx_packets; 797 buf[bi++] = rcb->rxq->rx_bytes; 798 buf[bi++] = rcb->rxq-> 799 rx_packets_with_error; 800 buf[bi++] = rcb->rxq-> 801 rxbuf_alloc_failed; 802 buf[bi++] = rcb->rxq->rxbuf_map_failed; 803 buf[bi++] = rcb->producer_index; 804 buf[bi++] = rcb->consumer_index; 805 } 806 if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] && 807 bnad->rx_info[i].rx_ctrl[j].ccb-> 808 rcb[1]->rxq) { 809 rcb = bnad->rx_info[i].rx_ctrl[j]. 810 ccb->rcb[1]; 811 buf[bi++] = rcb->rxq->rx_packets; 812 buf[bi++] = rcb->rxq->rx_bytes; 813 buf[bi++] = rcb->rxq-> 814 rx_packets_with_error; 815 buf[bi++] = rcb->rxq-> 816 rxbuf_alloc_failed; 817 buf[bi++] = rcb->rxq->rxbuf_map_failed; 818 buf[bi++] = rcb->producer_index; 819 buf[bi++] = rcb->consumer_index; 820 } 821 } 822 } 823 824 for (i = 0; i < bnad->num_tx; i++) { 825 if (!bnad->tx_info[i].tx) 826 continue; 827 for (j = 0; j < bnad->num_txq_per_tx; j++) 828 if (bnad->tx_info[i].tcb[j] && 829 bnad->tx_info[i].tcb[j]->txq) { 830 tcb = bnad->tx_info[i].tcb[j]; 831 buf[bi++] = tcb->txq->tx_packets; 832 buf[bi++] = tcb->txq->tx_bytes; 833 buf[bi++] = tcb->producer_index; 834 buf[bi++] = tcb->consumer_index; 835 buf[bi++] = *(tcb->hw_consumer_index); 836 } 837 } 838 839 return bi; 840 } 841 842 static void 843 bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats, 844 u64 *buf) 845 { 846 struct bnad *bnad = netdev_priv(netdev); 847 int i, j, bi = 0; 848 unsigned long flags; 849 struct rtnl_link_stats64 net_stats64; 850 u64 *stats64; 851 u32 bmap; 852 853 mutex_lock(&bnad->conf_mutex); 854 if (bnad_get_stats_count_locked(netdev) != stats->n_stats) { 855 mutex_unlock(&bnad->conf_mutex); 856 return; 857 } 858 859 /* 860 * Used bna_lock to sync reads from bna_stats, which is written 861 * under the same lock 862 */ 863 spin_lock_irqsave(&bnad->bna_lock, flags); 864 865 memset(&net_stats64, 0, sizeof(net_stats64)); 866 bnad_netdev_qstats_fill(bnad, &net_stats64); 867 bnad_netdev_hwstats_fill(bnad, &net_stats64); 868 869 buf[bi++] = net_stats64.rx_packets; 870 buf[bi++] = net_stats64.tx_packets; 871 buf[bi++] = net_stats64.rx_bytes; 872 buf[bi++] = net_stats64.tx_bytes; 873 buf[bi++] = net_stats64.rx_errors; 874 buf[bi++] = net_stats64.tx_errors; 875 buf[bi++] = net_stats64.rx_dropped; 876 buf[bi++] = net_stats64.tx_dropped; 877 buf[bi++] = net_stats64.multicast; 878 buf[bi++] = net_stats64.collisions; 879 buf[bi++] = net_stats64.rx_length_errors; 880 buf[bi++] = net_stats64.rx_crc_errors; 881 buf[bi++] = net_stats64.rx_frame_errors; 882 buf[bi++] = net_stats64.tx_fifo_errors; 883 884 /* Get netif_queue_stopped from stack */ 885 bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev); 886 887 /* Fill driver stats into ethtool buffers */ 888 stats64 = (u64 *)&bnad->stats.drv_stats; 889 for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++) 890 buf[bi++] = stats64[i]; 891 892 /* Fill hardware stats excluding the rxf/txf into ethtool bufs */ 893 stats64 = (u64 *) &bnad->stats.bna_stats->hw_stats; 894 for (i = 0; 895 i < offsetof(struct bfi_enet_stats, rxf_stats[0]) / 896 sizeof(u64); 897 i++) 898 buf[bi++] = stats64[i]; 899 900 /* Fill txf stats into ethtool buffers */ 901 bmap = bna_tx_rid_mask(&bnad->bna); 902 for (i = 0; bmap; i++) { 903 if (bmap & 1) { 904 stats64 = (u64 *)&bnad->stats.bna_stats-> 905 hw_stats.txf_stats[i]; 906 for (j = 0; j < sizeof(struct bfi_enet_stats_txf) / 907 sizeof(u64); j++) 908 buf[bi++] = stats64[j]; 909 } 910 bmap >>= 1; 911 } 912 913 /* Fill rxf stats into ethtool buffers */ 914 bmap = bna_rx_rid_mask(&bnad->bna); 915 for (i = 0; bmap; i++) { 916 if (bmap & 1) { 917 stats64 = (u64 *)&bnad->stats.bna_stats-> 918 hw_stats.rxf_stats[i]; 919 for (j = 0; j < sizeof(struct bfi_enet_stats_rxf) / 920 sizeof(u64); j++) 921 buf[bi++] = stats64[j]; 922 } 923 bmap >>= 1; 924 } 925 926 /* Fill per Q stats into ethtool buffers */ 927 bi = bnad_per_q_stats_fill(bnad, buf, bi); 928 929 spin_unlock_irqrestore(&bnad->bna_lock, flags); 930 931 mutex_unlock(&bnad->conf_mutex); 932 } 933 934 static int 935 bnad_get_sset_count(struct net_device *netdev, int sset) 936 { 937 switch (sset) { 938 case ETH_SS_STATS: 939 return bnad_get_stats_count_locked(netdev); 940 default: 941 return -EOPNOTSUPP; 942 } 943 } 944 945 static u32 946 bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset, 947 u32 *base_offset) 948 { 949 struct bfa_flash_attr *flash_attr; 950 struct bnad_iocmd_comp fcomp; 951 u32 i, flash_part = 0, ret; 952 unsigned long flags = 0; 953 954 flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL); 955 if (!flash_attr) 956 return 0; 957 958 fcomp.bnad = bnad; 959 fcomp.comp_status = 0; 960 961 init_completion(&fcomp.comp); 962 spin_lock_irqsave(&bnad->bna_lock, flags); 963 ret = bfa_nw_flash_get_attr(&bnad->bna.flash, flash_attr, 964 bnad_cb_completion, &fcomp); 965 if (ret != BFA_STATUS_OK) { 966 spin_unlock_irqrestore(&bnad->bna_lock, flags); 967 kfree(flash_attr); 968 return 0; 969 } 970 spin_unlock_irqrestore(&bnad->bna_lock, flags); 971 wait_for_completion(&fcomp.comp); 972 ret = fcomp.comp_status; 973 974 /* Check for the flash type & base offset value */ 975 if (ret == BFA_STATUS_OK) { 976 for (i = 0; i < flash_attr->npart; i++) { 977 if (offset >= flash_attr->part[i].part_off && 978 offset < (flash_attr->part[i].part_off + 979 flash_attr->part[i].part_size)) { 980 flash_part = flash_attr->part[i].part_type; 981 *base_offset = flash_attr->part[i].part_off; 982 break; 983 } 984 } 985 } 986 kfree(flash_attr); 987 return flash_part; 988 } 989 990 static int 991 bnad_get_eeprom_len(struct net_device *netdev) 992 { 993 return BFA_TOTAL_FLASH_SIZE; 994 } 995 996 static int 997 bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 998 u8 *bytes) 999 { 1000 struct bnad *bnad = netdev_priv(netdev); 1001 struct bnad_iocmd_comp fcomp; 1002 u32 flash_part = 0, base_offset = 0; 1003 unsigned long flags = 0; 1004 int ret = 0; 1005 1006 /* Fill the magic value */ 1007 eeprom->magic = bnad->pcidev->vendor | (bnad->pcidev->device << 16); 1008 1009 /* Query the flash partition based on the offset */ 1010 flash_part = bnad_get_flash_partition_by_offset(bnad, 1011 eeprom->offset, &base_offset); 1012 if (flash_part == 0) 1013 return -EFAULT; 1014 1015 fcomp.bnad = bnad; 1016 fcomp.comp_status = 0; 1017 1018 init_completion(&fcomp.comp); 1019 spin_lock_irqsave(&bnad->bna_lock, flags); 1020 ret = bfa_nw_flash_read_part(&bnad->bna.flash, flash_part, 1021 bnad->id, bytes, eeprom->len, 1022 eeprom->offset - base_offset, 1023 bnad_cb_completion, &fcomp); 1024 if (ret != BFA_STATUS_OK) { 1025 spin_unlock_irqrestore(&bnad->bna_lock, flags); 1026 goto done; 1027 } 1028 1029 spin_unlock_irqrestore(&bnad->bna_lock, flags); 1030 wait_for_completion(&fcomp.comp); 1031 ret = fcomp.comp_status; 1032 done: 1033 return ret; 1034 } 1035 1036 static int 1037 bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 1038 u8 *bytes) 1039 { 1040 struct bnad *bnad = netdev_priv(netdev); 1041 struct bnad_iocmd_comp fcomp; 1042 u32 flash_part = 0, base_offset = 0; 1043 unsigned long flags = 0; 1044 int ret = 0; 1045 1046 /* Check if the flash update request is valid */ 1047 if (eeprom->magic != (bnad->pcidev->vendor | 1048 (bnad->pcidev->device << 16))) 1049 return -EINVAL; 1050 1051 /* Query the flash partition based on the offset */ 1052 flash_part = bnad_get_flash_partition_by_offset(bnad, 1053 eeprom->offset, &base_offset); 1054 if (flash_part == 0) 1055 return -EFAULT; 1056 1057 fcomp.bnad = bnad; 1058 fcomp.comp_status = 0; 1059 1060 init_completion(&fcomp.comp); 1061 spin_lock_irqsave(&bnad->bna_lock, flags); 1062 ret = bfa_nw_flash_update_part(&bnad->bna.flash, flash_part, 1063 bnad->id, bytes, eeprom->len, 1064 eeprom->offset - base_offset, 1065 bnad_cb_completion, &fcomp); 1066 if (ret != BFA_STATUS_OK) { 1067 spin_unlock_irqrestore(&bnad->bna_lock, flags); 1068 goto done; 1069 } 1070 1071 spin_unlock_irqrestore(&bnad->bna_lock, flags); 1072 wait_for_completion(&fcomp.comp); 1073 ret = fcomp.comp_status; 1074 done: 1075 return ret; 1076 } 1077 1078 static int 1079 bnad_flash_device(struct net_device *netdev, struct ethtool_flash *eflash) 1080 { 1081 struct bnad *bnad = netdev_priv(netdev); 1082 struct bnad_iocmd_comp fcomp; 1083 const struct firmware *fw; 1084 int ret = 0; 1085 1086 ret = request_firmware(&fw, eflash->data, &bnad->pcidev->dev); 1087 if (ret) { 1088 netdev_err(netdev, "can't load firmware %s\n", eflash->data); 1089 goto out; 1090 } 1091 1092 fcomp.bnad = bnad; 1093 fcomp.comp_status = 0; 1094 1095 init_completion(&fcomp.comp); 1096 spin_lock_irq(&bnad->bna_lock); 1097 ret = bfa_nw_flash_update_part(&bnad->bna.flash, BFA_FLASH_PART_FWIMG, 1098 bnad->id, (u8 *)fw->data, fw->size, 0, 1099 bnad_cb_completion, &fcomp); 1100 if (ret != BFA_STATUS_OK) { 1101 netdev_warn(netdev, "flash update failed with err=%d\n", ret); 1102 ret = -EIO; 1103 spin_unlock_irq(&bnad->bna_lock); 1104 goto out; 1105 } 1106 1107 spin_unlock_irq(&bnad->bna_lock); 1108 wait_for_completion(&fcomp.comp); 1109 if (fcomp.comp_status != BFA_STATUS_OK) { 1110 ret = -EIO; 1111 netdev_warn(netdev, 1112 "firmware image update failed with err=%d\n", 1113 fcomp.comp_status); 1114 } 1115 out: 1116 release_firmware(fw); 1117 return ret; 1118 } 1119 1120 static const struct ethtool_ops bnad_ethtool_ops = { 1121 .get_settings = bnad_get_settings, 1122 .set_settings = bnad_set_settings, 1123 .get_drvinfo = bnad_get_drvinfo, 1124 .get_wol = bnad_get_wol, 1125 .get_link = ethtool_op_get_link, 1126 .get_coalesce = bnad_get_coalesce, 1127 .set_coalesce = bnad_set_coalesce, 1128 .get_ringparam = bnad_get_ringparam, 1129 .set_ringparam = bnad_set_ringparam, 1130 .get_pauseparam = bnad_get_pauseparam, 1131 .set_pauseparam = bnad_set_pauseparam, 1132 .get_strings = bnad_get_strings, 1133 .get_ethtool_stats = bnad_get_ethtool_stats, 1134 .get_sset_count = bnad_get_sset_count, 1135 .get_eeprom_len = bnad_get_eeprom_len, 1136 .get_eeprom = bnad_get_eeprom, 1137 .set_eeprom = bnad_set_eeprom, 1138 .flash_device = bnad_flash_device, 1139 .get_ts_info = ethtool_op_get_ts_info, 1140 }; 1141 1142 void 1143 bnad_set_ethtool_ops(struct net_device *netdev) 1144 { 1145 netdev->ethtool_ops = &bnad_ethtool_ops; 1146 } 1147