linux/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Linux network driver for QLogic BR-series Converged Network Adapter.
   4 */
   5/*
   6 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   7 * Copyright (c) 2014-2015 QLogic Corporation
   8 * All rights reserved
   9 * www.qlogic.com
  10 */
  11
  12#include "cna.h"
  13
  14#include <linux/netdevice.h>
  15#include <linux/skbuff.h>
  16#include <linux/ethtool.h>
  17#include <linux/rtnetlink.h>
  18
  19#include "bna.h"
  20
  21#include "bnad.h"
  22
  23#define BNAD_NUM_TXF_COUNTERS 12
  24#define BNAD_NUM_RXF_COUNTERS 10
  25#define BNAD_NUM_CQ_COUNTERS (3 + 5)
  26#define BNAD_NUM_RXQ_COUNTERS 7
  27#define BNAD_NUM_TXQ_COUNTERS 5
  28
  29static const char *bnad_net_stats_strings[] = {
  30        "rx_packets",
  31        "tx_packets",
  32        "rx_bytes",
  33        "tx_bytes",
  34        "rx_errors",
  35        "tx_errors",
  36        "rx_dropped",
  37        "tx_dropped",
  38        "multicast",
  39        "collisions",
  40        "rx_length_errors",
  41        "rx_crc_errors",
  42        "rx_frame_errors",
  43        "tx_fifo_errors",
  44
  45        "netif_queue_stop",
  46        "netif_queue_wakeup",
  47        "netif_queue_stopped",
  48        "tso4",
  49        "tso6",
  50        "tso_err",
  51        "tcpcsum_offload",
  52        "udpcsum_offload",
  53        "csum_help",
  54        "tx_skb_too_short",
  55        "tx_skb_stopping",
  56        "tx_skb_max_vectors",
  57        "tx_skb_mss_too_long",
  58        "tx_skb_tso_too_short",
  59        "tx_skb_tso_prepare",
  60        "tx_skb_non_tso_too_long",
  61        "tx_skb_tcp_hdr",
  62        "tx_skb_udp_hdr",
  63        "tx_skb_csum_err",
  64        "tx_skb_headlen_too_long",
  65        "tx_skb_headlen_zero",
  66        "tx_skb_frag_zero",
  67        "tx_skb_len_mismatch",
  68        "tx_skb_map_failed",
  69        "hw_stats_updates",
  70        "netif_rx_dropped",
  71
  72        "link_toggle",
  73        "cee_toggle",
  74
  75        "rxp_info_alloc_failed",
  76        "mbox_intr_disabled",
  77        "mbox_intr_enabled",
  78        "tx_unmap_q_alloc_failed",
  79        "rx_unmap_q_alloc_failed",
  80        "rxbuf_alloc_failed",
  81        "rxbuf_map_failed",
  82
  83        "mac_stats_clr_cnt",
  84        "mac_frame_64",
  85        "mac_frame_65_127",
  86        "mac_frame_128_255",
  87        "mac_frame_256_511",
  88        "mac_frame_512_1023",
  89        "mac_frame_1024_1518",
  90        "mac_frame_1518_1522",
  91        "mac_rx_bytes",
  92        "mac_rx_packets",
  93        "mac_rx_fcs_error",
  94        "mac_rx_multicast",
  95        "mac_rx_broadcast",
  96        "mac_rx_control_frames",
  97        "mac_rx_pause",
  98        "mac_rx_unknown_opcode",
  99        "mac_rx_alignment_error",
 100        "mac_rx_frame_length_error",
 101        "mac_rx_code_error",
 102        "mac_rx_carrier_sense_error",
 103        "mac_rx_undersize",
 104        "mac_rx_oversize",
 105        "mac_rx_fragments",
 106        "mac_rx_jabber",
 107        "mac_rx_drop",
 108
 109        "mac_tx_bytes",
 110        "mac_tx_packets",
 111        "mac_tx_multicast",
 112        "mac_tx_broadcast",
 113        "mac_tx_pause",
 114        "mac_tx_deferral",
 115        "mac_tx_excessive_deferral",
 116        "mac_tx_single_collision",
 117        "mac_tx_muliple_collision",
 118        "mac_tx_late_collision",
 119        "mac_tx_excessive_collision",
 120        "mac_tx_total_collision",
 121        "mac_tx_pause_honored",
 122        "mac_tx_drop",
 123        "mac_tx_jabber",
 124        "mac_tx_fcs_error",
 125        "mac_tx_control_frame",
 126        "mac_tx_oversize",
 127        "mac_tx_undersize",
 128        "mac_tx_fragments",
 129
 130        "bpc_tx_pause_0",
 131        "bpc_tx_pause_1",
 132        "bpc_tx_pause_2",
 133        "bpc_tx_pause_3",
 134        "bpc_tx_pause_4",
 135        "bpc_tx_pause_5",
 136        "bpc_tx_pause_6",
 137        "bpc_tx_pause_7",
 138        "bpc_tx_zero_pause_0",
 139        "bpc_tx_zero_pause_1",
 140        "bpc_tx_zero_pause_2",
 141        "bpc_tx_zero_pause_3",
 142        "bpc_tx_zero_pause_4",
 143        "bpc_tx_zero_pause_5",
 144        "bpc_tx_zero_pause_6",
 145        "bpc_tx_zero_pause_7",
 146        "bpc_tx_first_pause_0",
 147        "bpc_tx_first_pause_1",
 148        "bpc_tx_first_pause_2",
 149        "bpc_tx_first_pause_3",
 150        "bpc_tx_first_pause_4",
 151        "bpc_tx_first_pause_5",
 152        "bpc_tx_first_pause_6",
 153        "bpc_tx_first_pause_7",
 154
 155        "bpc_rx_pause_0",
 156        "bpc_rx_pause_1",
 157        "bpc_rx_pause_2",
 158        "bpc_rx_pause_3",
 159        "bpc_rx_pause_4",
 160        "bpc_rx_pause_5",
 161        "bpc_rx_pause_6",
 162        "bpc_rx_pause_7",
 163        "bpc_rx_zero_pause_0",
 164        "bpc_rx_zero_pause_1",
 165        "bpc_rx_zero_pause_2",
 166        "bpc_rx_zero_pause_3",
 167        "bpc_rx_zero_pause_4",
 168        "bpc_rx_zero_pause_5",
 169        "bpc_rx_zero_pause_6",
 170        "bpc_rx_zero_pause_7",
 171        "bpc_rx_first_pause_0",
 172        "bpc_rx_first_pause_1",
 173        "bpc_rx_first_pause_2",
 174        "bpc_rx_first_pause_3",
 175        "bpc_rx_first_pause_4",
 176        "bpc_rx_first_pause_5",
 177        "bpc_rx_first_pause_6",
 178        "bpc_rx_first_pause_7",
 179
 180        "rad_rx_frames",
 181        "rad_rx_octets",
 182        "rad_rx_vlan_frames",
 183        "rad_rx_ucast",
 184        "rad_rx_ucast_octets",
 185        "rad_rx_ucast_vlan",
 186        "rad_rx_mcast",
 187        "rad_rx_mcast_octets",
 188        "rad_rx_mcast_vlan",
 189        "rad_rx_bcast",
 190        "rad_rx_bcast_octets",
 191        "rad_rx_bcast_vlan",
 192        "rad_rx_drops",
 193
 194        "rlb_rad_rx_frames",
 195        "rlb_rad_rx_octets",
 196        "rlb_rad_rx_vlan_frames",
 197        "rlb_rad_rx_ucast",
 198        "rlb_rad_rx_ucast_octets",
 199        "rlb_rad_rx_ucast_vlan",
 200        "rlb_rad_rx_mcast",
 201        "rlb_rad_rx_mcast_octets",
 202        "rlb_rad_rx_mcast_vlan",
 203        "rlb_rad_rx_bcast",
 204        "rlb_rad_rx_bcast_octets",
 205        "rlb_rad_rx_bcast_vlan",
 206        "rlb_rad_rx_drops",
 207
 208        "fc_rx_ucast_octets",
 209        "fc_rx_ucast",
 210        "fc_rx_ucast_vlan",
 211        "fc_rx_mcast_octets",
 212        "fc_rx_mcast",
 213        "fc_rx_mcast_vlan",
 214        "fc_rx_bcast_octets",
 215        "fc_rx_bcast",
 216        "fc_rx_bcast_vlan",
 217
 218        "fc_tx_ucast_octets",
 219        "fc_tx_ucast",
 220        "fc_tx_ucast_vlan",
 221        "fc_tx_mcast_octets",
 222        "fc_tx_mcast",
 223        "fc_tx_mcast_vlan",
 224        "fc_tx_bcast_octets",
 225        "fc_tx_bcast",
 226        "fc_tx_bcast_vlan",
 227        "fc_tx_parity_errors",
 228        "fc_tx_timeout",
 229        "fc_tx_fid_parity_errors",
 230};
 231
 232#define BNAD_ETHTOOL_STATS_NUM  ARRAY_SIZE(bnad_net_stats_strings)
 233
 234static int
 235bnad_get_link_ksettings(struct net_device *netdev,
 236                        struct ethtool_link_ksettings *cmd)
 237{
 238        u32 supported, advertising;
 239
 240        supported = SUPPORTED_10000baseT_Full;
 241        advertising = ADVERTISED_10000baseT_Full;
 242        cmd->base.autoneg = AUTONEG_DISABLE;
 243        supported |= SUPPORTED_FIBRE;
 244        advertising |= ADVERTISED_FIBRE;
 245        cmd->base.port = PORT_FIBRE;
 246        cmd->base.phy_address = 0;
 247
 248        if (netif_carrier_ok(netdev)) {
 249                cmd->base.speed = SPEED_10000;
 250                cmd->base.duplex = DUPLEX_FULL;
 251        } else {
 252                cmd->base.speed = SPEED_UNKNOWN;
 253                cmd->base.duplex = DUPLEX_UNKNOWN;
 254        }
 255
 256        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 257                                                supported);
 258        ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 259                                                advertising);
 260
 261        return 0;
 262}
 263
 264static int
 265bnad_set_link_ksettings(struct net_device *netdev,
 266                        const struct ethtool_link_ksettings *cmd)
 267{
 268        /* 10G full duplex setting supported only */
 269        if (cmd->base.autoneg == AUTONEG_ENABLE)
 270                return -EOPNOTSUPP;
 271
 272        if ((cmd->base.speed == SPEED_10000) &&
 273            (cmd->base.duplex == DUPLEX_FULL))
 274                return 0;
 275
 276        return -EOPNOTSUPP;
 277}
 278
 279static void
 280bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 281{
 282        struct bnad *bnad = netdev_priv(netdev);
 283        struct bfa_ioc_attr *ioc_attr;
 284        unsigned long flags;
 285
 286        strlcpy(drvinfo->driver, BNAD_NAME, sizeof(drvinfo->driver));
 287
 288        ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL);
 289        if (ioc_attr) {
 290                spin_lock_irqsave(&bnad->bna_lock, flags);
 291                bfa_nw_ioc_get_attr(&bnad->bna.ioceth.ioc, ioc_attr);
 292                spin_unlock_irqrestore(&bnad->bna_lock, flags);
 293
 294                strlcpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver,
 295                        sizeof(drvinfo->fw_version));
 296                kfree(ioc_attr);
 297        }
 298
 299        strlcpy(drvinfo->bus_info, pci_name(bnad->pcidev),
 300                sizeof(drvinfo->bus_info));
 301}
 302
 303static void
 304bnad_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wolinfo)
 305{
 306        wolinfo->supported = 0;
 307        wolinfo->wolopts = 0;
 308}
 309
 310static int
 311bnad_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
 312{
 313        struct bnad *bnad = netdev_priv(netdev);
 314        unsigned long flags;
 315
 316        /* Lock rqd. to access bnad->bna_lock */
 317        spin_lock_irqsave(&bnad->bna_lock, flags);
 318        coalesce->use_adaptive_rx_coalesce =
 319                (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) ? true : false;
 320        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 321
 322        coalesce->rx_coalesce_usecs = bnad->rx_coalescing_timeo *
 323                                        BFI_COALESCING_TIMER_UNIT;
 324        coalesce->tx_coalesce_usecs = bnad->tx_coalescing_timeo *
 325                                        BFI_COALESCING_TIMER_UNIT;
 326        coalesce->tx_max_coalesced_frames = BFI_TX_INTERPKT_COUNT;
 327
 328        return 0;
 329}
 330
 331static int
 332bnad_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
 333{
 334        struct bnad *bnad = netdev_priv(netdev);
 335        unsigned long flags;
 336        int to_del = 0;
 337
 338        if (coalesce->rx_coalesce_usecs == 0 ||
 339            coalesce->rx_coalesce_usecs >
 340            BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
 341                return -EINVAL;
 342
 343        if (coalesce->tx_coalesce_usecs == 0 ||
 344            coalesce->tx_coalesce_usecs >
 345            BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
 346                return -EINVAL;
 347
 348        mutex_lock(&bnad->conf_mutex);
 349        /*
 350         * Do not need to store rx_coalesce_usecs here
 351         * Every time DIM is disabled, we can get it from the
 352         * stack.
 353         */
 354        spin_lock_irqsave(&bnad->bna_lock, flags);
 355        if (coalesce->use_adaptive_rx_coalesce) {
 356                if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) {
 357                        bnad->cfg_flags |= BNAD_CF_DIM_ENABLED;
 358                        bnad_dim_timer_start(bnad);
 359                }
 360        } else {
 361                if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) {
 362                        bnad->cfg_flags &= ~BNAD_CF_DIM_ENABLED;
 363                        if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED &&
 364                            test_bit(BNAD_RF_DIM_TIMER_RUNNING,
 365                            &bnad->run_flags)) {
 366                                clear_bit(BNAD_RF_DIM_TIMER_RUNNING,
 367                                                        &bnad->run_flags);
 368                                to_del = 1;
 369                        }
 370                        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 371                        if (to_del)
 372                                del_timer_sync(&bnad->dim_timer);
 373                        spin_lock_irqsave(&bnad->bna_lock, flags);
 374                        bnad_rx_coalescing_timeo_set(bnad);
 375                }
 376        }
 377        if (bnad->tx_coalescing_timeo != coalesce->tx_coalesce_usecs /
 378                                        BFI_COALESCING_TIMER_UNIT) {
 379                bnad->tx_coalescing_timeo = coalesce->tx_coalesce_usecs /
 380                                                BFI_COALESCING_TIMER_UNIT;
 381                bnad_tx_coalescing_timeo_set(bnad);
 382        }
 383
 384        if (bnad->rx_coalescing_timeo != coalesce->rx_coalesce_usecs /
 385                                        BFI_COALESCING_TIMER_UNIT) {
 386                bnad->rx_coalescing_timeo = coalesce->rx_coalesce_usecs /
 387                                                BFI_COALESCING_TIMER_UNIT;
 388
 389                if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED))
 390                        bnad_rx_coalescing_timeo_set(bnad);
 391
 392        }
 393
 394        /* Add Tx Inter-pkt DMA count?  */
 395
 396        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 397
 398        mutex_unlock(&bnad->conf_mutex);
 399        return 0;
 400}
 401
 402static void
 403bnad_get_ringparam(struct net_device *netdev,
 404                   struct ethtool_ringparam *ringparam)
 405{
 406        struct bnad *bnad = netdev_priv(netdev);
 407
 408        ringparam->rx_max_pending = BNAD_MAX_RXQ_DEPTH;
 409        ringparam->tx_max_pending = BNAD_MAX_TXQ_DEPTH;
 410
 411        ringparam->rx_pending = bnad->rxq_depth;
 412        ringparam->tx_pending = bnad->txq_depth;
 413}
 414
 415static int
 416bnad_set_ringparam(struct net_device *netdev,
 417                   struct ethtool_ringparam *ringparam)
 418{
 419        int i, current_err, err = 0;
 420        struct bnad *bnad = netdev_priv(netdev);
 421        unsigned long flags;
 422
 423        mutex_lock(&bnad->conf_mutex);
 424        if (ringparam->rx_pending == bnad->rxq_depth &&
 425            ringparam->tx_pending == bnad->txq_depth) {
 426                mutex_unlock(&bnad->conf_mutex);
 427                return 0;
 428        }
 429
 430        if (ringparam->rx_pending < BNAD_MIN_Q_DEPTH ||
 431            ringparam->rx_pending > BNAD_MAX_RXQ_DEPTH ||
 432            !is_power_of_2(ringparam->rx_pending)) {
 433                mutex_unlock(&bnad->conf_mutex);
 434                return -EINVAL;
 435        }
 436        if (ringparam->tx_pending < BNAD_MIN_Q_DEPTH ||
 437            ringparam->tx_pending > BNAD_MAX_TXQ_DEPTH ||
 438            !is_power_of_2(ringparam->tx_pending)) {
 439                mutex_unlock(&bnad->conf_mutex);
 440                return -EINVAL;
 441        }
 442
 443        if (ringparam->rx_pending != bnad->rxq_depth) {
 444                bnad->rxq_depth = ringparam->rx_pending;
 445                if (!netif_running(netdev)) {
 446                        mutex_unlock(&bnad->conf_mutex);
 447                        return 0;
 448                }
 449
 450                for (i = 0; i < bnad->num_rx; i++) {
 451                        if (!bnad->rx_info[i].rx)
 452                                continue;
 453                        bnad_destroy_rx(bnad, i);
 454                        current_err = bnad_setup_rx(bnad, i);
 455                        if (current_err && !err)
 456                                err = current_err;
 457                }
 458
 459                if (!err && bnad->rx_info[0].rx) {
 460                        /* restore rx configuration */
 461                        bnad_restore_vlans(bnad, 0);
 462                        bnad_enable_default_bcast(bnad);
 463                        spin_lock_irqsave(&bnad->bna_lock, flags);
 464                        bnad_mac_addr_set_locked(bnad, netdev->dev_addr);
 465                        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 466                        bnad->cfg_flags &= ~(BNAD_CF_ALLMULTI |
 467                                             BNAD_CF_PROMISC);
 468                        bnad_set_rx_mode(netdev);
 469                }
 470        }
 471        if (ringparam->tx_pending != bnad->txq_depth) {
 472                bnad->txq_depth = ringparam->tx_pending;
 473                if (!netif_running(netdev)) {
 474                        mutex_unlock(&bnad->conf_mutex);
 475                        return 0;
 476                }
 477
 478                for (i = 0; i < bnad->num_tx; i++) {
 479                        if (!bnad->tx_info[i].tx)
 480                                continue;
 481                        bnad_destroy_tx(bnad, i);
 482                        current_err = bnad_setup_tx(bnad, i);
 483                        if (current_err && !err)
 484                                err = current_err;
 485                }
 486        }
 487
 488        mutex_unlock(&bnad->conf_mutex);
 489        return err;
 490}
 491
 492static void
 493bnad_get_pauseparam(struct net_device *netdev,
 494                    struct ethtool_pauseparam *pauseparam)
 495{
 496        struct bnad *bnad = netdev_priv(netdev);
 497
 498        pauseparam->autoneg = 0;
 499        pauseparam->rx_pause = bnad->bna.enet.pause_config.rx_pause;
 500        pauseparam->tx_pause = bnad->bna.enet.pause_config.tx_pause;
 501}
 502
 503static int
 504bnad_set_pauseparam(struct net_device *netdev,
 505                    struct ethtool_pauseparam *pauseparam)
 506{
 507        struct bnad *bnad = netdev_priv(netdev);
 508        struct bna_pause_config pause_config;
 509        unsigned long flags;
 510
 511        if (pauseparam->autoneg == AUTONEG_ENABLE)
 512                return -EINVAL;
 513
 514        mutex_lock(&bnad->conf_mutex);
 515        if (pauseparam->rx_pause != bnad->bna.enet.pause_config.rx_pause ||
 516            pauseparam->tx_pause != bnad->bna.enet.pause_config.tx_pause) {
 517                pause_config.rx_pause = pauseparam->rx_pause;
 518                pause_config.tx_pause = pauseparam->tx_pause;
 519                spin_lock_irqsave(&bnad->bna_lock, flags);
 520                bna_enet_pause_config(&bnad->bna.enet, &pause_config);
 521                spin_unlock_irqrestore(&bnad->bna_lock, flags);
 522        }
 523        mutex_unlock(&bnad->conf_mutex);
 524        return 0;
 525}
 526
 527static void bnad_get_txf_strings(u8 **string, int f_num)
 528{
 529        ethtool_sprintf(string, "txf%d_ucast_octets", f_num);
 530        ethtool_sprintf(string, "txf%d_ucast", f_num);
 531        ethtool_sprintf(string, "txf%d_ucast_vlan", f_num);
 532        ethtool_sprintf(string, "txf%d_mcast_octets", f_num);
 533        ethtool_sprintf(string, "txf%d_mcast", f_num);
 534        ethtool_sprintf(string, "txf%d_mcast_vlan", f_num);
 535        ethtool_sprintf(string, "txf%d_bcast_octets", f_num);
 536        ethtool_sprintf(string, "txf%d_bcast", f_num);
 537        ethtool_sprintf(string, "txf%d_bcast_vlan", f_num);
 538        ethtool_sprintf(string, "txf%d_errors", f_num);
 539        ethtool_sprintf(string, "txf%d_filter_vlan", f_num);
 540        ethtool_sprintf(string, "txf%d_filter_mac_sa", f_num);
 541}
 542
 543static void bnad_get_rxf_strings(u8 **string, int f_num)
 544{
 545        ethtool_sprintf(string, "rxf%d_ucast_octets", f_num);
 546        ethtool_sprintf(string, "rxf%d_ucast", f_num);
 547        ethtool_sprintf(string, "rxf%d_ucast_vlan", f_num);
 548        ethtool_sprintf(string, "rxf%d_mcast_octets", f_num);
 549        ethtool_sprintf(string, "rxf%d_mcast", f_num);
 550        ethtool_sprintf(string, "rxf%d_mcast_vlan", f_num);
 551        ethtool_sprintf(string, "rxf%d_bcast_octets", f_num);
 552        ethtool_sprintf(string, "rxf%d_bcast", f_num);
 553        ethtool_sprintf(string, "rxf%d_bcast_vlan", f_num);
 554        ethtool_sprintf(string, "rxf%d_frame_drops", f_num);
 555}
 556
 557static void bnad_get_cq_strings(u8 **string, int q_num)
 558{
 559        ethtool_sprintf(string, "cq%d_producer_index", q_num);
 560        ethtool_sprintf(string, "cq%d_consumer_index", q_num);
 561        ethtool_sprintf(string, "cq%d_hw_producer_index", q_num);
 562        ethtool_sprintf(string, "cq%d_intr", q_num);
 563        ethtool_sprintf(string, "cq%d_poll", q_num);
 564        ethtool_sprintf(string, "cq%d_schedule", q_num);
 565        ethtool_sprintf(string, "cq%d_keep_poll", q_num);
 566        ethtool_sprintf(string, "cq%d_complete", q_num);
 567}
 568
 569static void bnad_get_rxq_strings(u8 **string, int q_num)
 570{
 571        ethtool_sprintf(string, "rxq%d_packets", q_num);
 572        ethtool_sprintf(string, "rxq%d_bytes", q_num);
 573        ethtool_sprintf(string, "rxq%d_packets_with_error", q_num);
 574        ethtool_sprintf(string, "rxq%d_allocbuf_failed", q_num);
 575        ethtool_sprintf(string, "rxq%d_mapbuf_failed", q_num);
 576        ethtool_sprintf(string, "rxq%d_producer_index", q_num);
 577        ethtool_sprintf(string, "rxq%d_consumer_index", q_num);
 578}
 579
 580static void bnad_get_txq_strings(u8 **string, int q_num)
 581{
 582        ethtool_sprintf(string, "txq%d_packets", q_num);
 583        ethtool_sprintf(string, "txq%d_bytes", q_num);
 584        ethtool_sprintf(string, "txq%d_producer_index", q_num);
 585        ethtool_sprintf(string, "txq%d_consumer_index", q_num);
 586        ethtool_sprintf(string, "txq%d_hw_consumer_index", q_num);
 587}
 588
 589static void
 590bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string)
 591{
 592        struct bnad *bnad = netdev_priv(netdev);
 593        int i, j, q_num;
 594        u32 bmap;
 595
 596        if (stringset != ETH_SS_STATS)
 597                return;
 598
 599        mutex_lock(&bnad->conf_mutex);
 600
 601        for (i = 0; i < BNAD_ETHTOOL_STATS_NUM; i++) {
 602                BUG_ON(!(strlen(bnad_net_stats_strings[i]) < ETH_GSTRING_LEN));
 603                ethtool_sprintf(&string, bnad_net_stats_strings[i]);
 604        }
 605
 606        bmap = bna_tx_rid_mask(&bnad->bna);
 607        for (i = 0; bmap; i++) {
 608                if (bmap & 1)
 609                        bnad_get_txf_strings(&string, i);
 610                bmap >>= 1;
 611        }
 612
 613        bmap = bna_rx_rid_mask(&bnad->bna);
 614        for (i = 0; bmap; i++, bmap >>= 1) {
 615                if (bmap & 1)
 616                        bnad_get_rxf_strings(&string, i);
 617                bmap >>= 1;
 618        }
 619
 620        q_num = 0;
 621        for (i = 0; i < bnad->num_rx; i++) {
 622                if (!bnad->rx_info[i].rx)
 623                        continue;
 624                for (j = 0; j < bnad->num_rxp_per_rx; j++)
 625                        bnad_get_cq_strings(&string, q_num++);
 626        }
 627
 628        q_num = 0;
 629        for (i = 0; i < bnad->num_rx; i++) {
 630                if (!bnad->rx_info[i].rx)
 631                        continue;
 632                for (j = 0; j < bnad->num_rxp_per_rx; j++) {
 633                        bnad_get_rxq_strings(&string, q_num++);
 634                        if (bnad->rx_info[i].rx_ctrl[j].ccb &&
 635                            bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
 636                            bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq)
 637                                bnad_get_rxq_strings(&string, q_num++);
 638                }
 639        }
 640
 641        q_num = 0;
 642        for (i = 0; i < bnad->num_tx; i++) {
 643                if (!bnad->tx_info[i].tx)
 644                        continue;
 645                for (j = 0; j < bnad->num_txq_per_tx; j++)
 646                        bnad_get_txq_strings(&string, q_num++);
 647        }
 648
 649        mutex_unlock(&bnad->conf_mutex);
 650}
 651
 652static int
 653bnad_get_stats_count_locked(struct net_device *netdev)
 654{
 655        struct bnad *bnad = netdev_priv(netdev);
 656        int i, j, count = 0, rxf_active_num = 0, txf_active_num = 0;
 657        u32 bmap;
 658
 659        bmap = bna_tx_rid_mask(&bnad->bna);
 660        for (i = 0; bmap; i++) {
 661                if (bmap & 1)
 662                        txf_active_num++;
 663                bmap >>= 1;
 664        }
 665        bmap = bna_rx_rid_mask(&bnad->bna);
 666        for (i = 0; bmap; i++) {
 667                if (bmap & 1)
 668                        rxf_active_num++;
 669                bmap >>= 1;
 670        }
 671        count = BNAD_ETHTOOL_STATS_NUM +
 672                txf_active_num * BNAD_NUM_TXF_COUNTERS +
 673                rxf_active_num * BNAD_NUM_RXF_COUNTERS;
 674
 675        for (i = 0; i < bnad->num_rx; i++) {
 676                if (!bnad->rx_info[i].rx)
 677                        continue;
 678                count += bnad->num_rxp_per_rx * BNAD_NUM_CQ_COUNTERS;
 679                count += bnad->num_rxp_per_rx * BNAD_NUM_RXQ_COUNTERS;
 680                for (j = 0; j < bnad->num_rxp_per_rx; j++)
 681                        if (bnad->rx_info[i].rx_ctrl[j].ccb &&
 682                                bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
 683                                bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq)
 684                                count +=  BNAD_NUM_RXQ_COUNTERS;
 685        }
 686
 687        for (i = 0; i < bnad->num_tx; i++) {
 688                if (!bnad->tx_info[i].tx)
 689                        continue;
 690                count += bnad->num_txq_per_tx * BNAD_NUM_TXQ_COUNTERS;
 691        }
 692        return count;
 693}
 694
 695static int
 696bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi)
 697{
 698        int i, j;
 699        struct bna_rcb *rcb = NULL;
 700        struct bna_tcb *tcb = NULL;
 701
 702        for (i = 0; i < bnad->num_rx; i++) {
 703                if (!bnad->rx_info[i].rx)
 704                        continue;
 705                for (j = 0; j < bnad->num_rxp_per_rx; j++)
 706                        if (bnad->rx_info[i].rx_ctrl[j].ccb &&
 707                                bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
 708                                bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0]->rxq) {
 709                                buf[bi++] = bnad->rx_info[i].rx_ctrl[j].
 710                                                ccb->producer_index;
 711                                buf[bi++] = 0; /* ccb->consumer_index */
 712                                buf[bi++] = *(bnad->rx_info[i].rx_ctrl[j].
 713                                                ccb->hw_producer_index);
 714
 715                                buf[bi++] = bnad->rx_info[i].
 716                                                rx_ctrl[j].rx_intr_ctr;
 717                                buf[bi++] = bnad->rx_info[i].
 718                                                rx_ctrl[j].rx_poll_ctr;
 719                                buf[bi++] = bnad->rx_info[i].
 720                                                rx_ctrl[j].rx_schedule;
 721                                buf[bi++] = bnad->rx_info[i].
 722                                                rx_ctrl[j].rx_keep_poll;
 723                                buf[bi++] = bnad->rx_info[i].
 724                                                rx_ctrl[j].rx_complete;
 725                        }
 726        }
 727        for (i = 0; i < bnad->num_rx; i++) {
 728                if (!bnad->rx_info[i].rx)
 729                        continue;
 730                for (j = 0; j < bnad->num_rxp_per_rx; j++)
 731                        if (bnad->rx_info[i].rx_ctrl[j].ccb) {
 732                                if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
 733                                        bnad->rx_info[i].rx_ctrl[j].ccb->
 734                                        rcb[0]->rxq) {
 735                                        rcb = bnad->rx_info[i].rx_ctrl[j].
 736                                                        ccb->rcb[0];
 737                                        buf[bi++] = rcb->rxq->rx_packets;
 738                                        buf[bi++] = rcb->rxq->rx_bytes;
 739                                        buf[bi++] = rcb->rxq->
 740                                                        rx_packets_with_error;
 741                                        buf[bi++] = rcb->rxq->
 742                                                        rxbuf_alloc_failed;
 743                                        buf[bi++] = rcb->rxq->rxbuf_map_failed;
 744                                        buf[bi++] = rcb->producer_index;
 745                                        buf[bi++] = rcb->consumer_index;
 746                                }
 747                                if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
 748                                        bnad->rx_info[i].rx_ctrl[j].ccb->
 749                                        rcb[1]->rxq) {
 750                                        rcb = bnad->rx_info[i].rx_ctrl[j].
 751                                                                ccb->rcb[1];
 752                                        buf[bi++] = rcb->rxq->rx_packets;
 753                                        buf[bi++] = rcb->rxq->rx_bytes;
 754                                        buf[bi++] = rcb->rxq->
 755                                                        rx_packets_with_error;
 756                                        buf[bi++] = rcb->rxq->
 757                                                        rxbuf_alloc_failed;
 758                                        buf[bi++] = rcb->rxq->rxbuf_map_failed;
 759                                        buf[bi++] = rcb->producer_index;
 760                                        buf[bi++] = rcb->consumer_index;
 761                                }
 762                        }
 763        }
 764
 765        for (i = 0; i < bnad->num_tx; i++) {
 766                if (!bnad->tx_info[i].tx)
 767                        continue;
 768                for (j = 0; j < bnad->num_txq_per_tx; j++)
 769                        if (bnad->tx_info[i].tcb[j] &&
 770                                bnad->tx_info[i].tcb[j]->txq) {
 771                                tcb = bnad->tx_info[i].tcb[j];
 772                                buf[bi++] = tcb->txq->tx_packets;
 773                                buf[bi++] = tcb->txq->tx_bytes;
 774                                buf[bi++] = tcb->producer_index;
 775                                buf[bi++] = tcb->consumer_index;
 776                                buf[bi++] = *(tcb->hw_consumer_index);
 777                        }
 778        }
 779
 780        return bi;
 781}
 782
 783static void
 784bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats,
 785                       u64 *buf)
 786{
 787        struct bnad *bnad = netdev_priv(netdev);
 788        int i, j, bi = 0;
 789        unsigned long flags;
 790        struct rtnl_link_stats64 net_stats64;
 791        u64 *stats64;
 792        u32 bmap;
 793
 794        mutex_lock(&bnad->conf_mutex);
 795        if (bnad_get_stats_count_locked(netdev) != stats->n_stats) {
 796                mutex_unlock(&bnad->conf_mutex);
 797                return;
 798        }
 799
 800        /*
 801         * Used bna_lock to sync reads from bna_stats, which is written
 802         * under the same lock
 803         */
 804        spin_lock_irqsave(&bnad->bna_lock, flags);
 805
 806        memset(&net_stats64, 0, sizeof(net_stats64));
 807        bnad_netdev_qstats_fill(bnad, &net_stats64);
 808        bnad_netdev_hwstats_fill(bnad, &net_stats64);
 809
 810        buf[bi++] = net_stats64.rx_packets;
 811        buf[bi++] = net_stats64.tx_packets;
 812        buf[bi++] = net_stats64.rx_bytes;
 813        buf[bi++] = net_stats64.tx_bytes;
 814        buf[bi++] = net_stats64.rx_errors;
 815        buf[bi++] = net_stats64.tx_errors;
 816        buf[bi++] = net_stats64.rx_dropped;
 817        buf[bi++] = net_stats64.tx_dropped;
 818        buf[bi++] = net_stats64.multicast;
 819        buf[bi++] = net_stats64.collisions;
 820        buf[bi++] = net_stats64.rx_length_errors;
 821        buf[bi++] = net_stats64.rx_crc_errors;
 822        buf[bi++] = net_stats64.rx_frame_errors;
 823        buf[bi++] = net_stats64.tx_fifo_errors;
 824
 825        /* Get netif_queue_stopped from stack */
 826        bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev);
 827
 828        /* Fill driver stats into ethtool buffers */
 829        stats64 = (u64 *)&bnad->stats.drv_stats;
 830        for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++)
 831                buf[bi++] = stats64[i];
 832
 833        /* Fill hardware stats excluding the rxf/txf into ethtool bufs */
 834        stats64 = (u64 *) &bnad->stats.bna_stats->hw_stats;
 835        for (i = 0;
 836             i < offsetof(struct bfi_enet_stats, rxf_stats[0]) /
 837                sizeof(u64);
 838             i++)
 839                buf[bi++] = stats64[i];
 840
 841        /* Fill txf stats into ethtool buffers */
 842        bmap = bna_tx_rid_mask(&bnad->bna);
 843        for (i = 0; bmap; i++) {
 844                if (bmap & 1) {
 845                        stats64 = (u64 *)&bnad->stats.bna_stats->
 846                                                hw_stats.txf_stats[i];
 847                        for (j = 0; j < sizeof(struct bfi_enet_stats_txf) /
 848                                        sizeof(u64); j++)
 849                                buf[bi++] = stats64[j];
 850                }
 851                bmap >>= 1;
 852        }
 853
 854        /*  Fill rxf stats into ethtool buffers */
 855        bmap = bna_rx_rid_mask(&bnad->bna);
 856        for (i = 0; bmap; i++) {
 857                if (bmap & 1) {
 858                        stats64 = (u64 *)&bnad->stats.bna_stats->
 859                                                hw_stats.rxf_stats[i];
 860                        for (j = 0; j < sizeof(struct bfi_enet_stats_rxf) /
 861                                        sizeof(u64); j++)
 862                                buf[bi++] = stats64[j];
 863                }
 864                bmap >>= 1;
 865        }
 866
 867        /* Fill per Q stats into ethtool buffers */
 868        bi = bnad_per_q_stats_fill(bnad, buf, bi);
 869
 870        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 871
 872        mutex_unlock(&bnad->conf_mutex);
 873}
 874
 875static int
 876bnad_get_sset_count(struct net_device *netdev, int sset)
 877{
 878        switch (sset) {
 879        case ETH_SS_STATS:
 880                return bnad_get_stats_count_locked(netdev);
 881        default:
 882                return -EOPNOTSUPP;
 883        }
 884}
 885
 886static u32
 887bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
 888                                u32 *base_offset)
 889{
 890        struct bfa_flash_attr *flash_attr;
 891        struct bnad_iocmd_comp fcomp;
 892        u32 i, flash_part = 0, ret;
 893        unsigned long flags = 0;
 894
 895        flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL);
 896        if (!flash_attr)
 897                return 0;
 898
 899        fcomp.bnad = bnad;
 900        fcomp.comp_status = 0;
 901
 902        init_completion(&fcomp.comp);
 903        spin_lock_irqsave(&bnad->bna_lock, flags);
 904        ret = bfa_nw_flash_get_attr(&bnad->bna.flash, flash_attr,
 905                                bnad_cb_completion, &fcomp);
 906        if (ret != BFA_STATUS_OK) {
 907                spin_unlock_irqrestore(&bnad->bna_lock, flags);
 908                kfree(flash_attr);
 909                return 0;
 910        }
 911        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 912        wait_for_completion(&fcomp.comp);
 913        ret = fcomp.comp_status;
 914
 915        /* Check for the flash type & base offset value */
 916        if (ret == BFA_STATUS_OK) {
 917                for (i = 0; i < flash_attr->npart; i++) {
 918                        if (offset >= flash_attr->part[i].part_off &&
 919                            offset < (flash_attr->part[i].part_off +
 920                                      flash_attr->part[i].part_size)) {
 921                                flash_part = flash_attr->part[i].part_type;
 922                                *base_offset = flash_attr->part[i].part_off;
 923                                break;
 924                        }
 925                }
 926        }
 927        kfree(flash_attr);
 928        return flash_part;
 929}
 930
 931static int
 932bnad_get_eeprom_len(struct net_device *netdev)
 933{
 934        return BFA_TOTAL_FLASH_SIZE;
 935}
 936
 937static int
 938bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 939                u8 *bytes)
 940{
 941        struct bnad *bnad = netdev_priv(netdev);
 942        struct bnad_iocmd_comp fcomp;
 943        u32 flash_part = 0, base_offset = 0;
 944        unsigned long flags = 0;
 945        int ret = 0;
 946
 947        /* Fill the magic value */
 948        eeprom->magic = bnad->pcidev->vendor | (bnad->pcidev->device << 16);
 949
 950        /* Query the flash partition based on the offset */
 951        flash_part = bnad_get_flash_partition_by_offset(bnad,
 952                                eeprom->offset, &base_offset);
 953        if (flash_part == 0)
 954                return -EFAULT;
 955
 956        fcomp.bnad = bnad;
 957        fcomp.comp_status = 0;
 958
 959        init_completion(&fcomp.comp);
 960        spin_lock_irqsave(&bnad->bna_lock, flags);
 961        ret = bfa_nw_flash_read_part(&bnad->bna.flash, flash_part,
 962                                bnad->id, bytes, eeprom->len,
 963                                eeprom->offset - base_offset,
 964                                bnad_cb_completion, &fcomp);
 965        if (ret != BFA_STATUS_OK) {
 966                spin_unlock_irqrestore(&bnad->bna_lock, flags);
 967                goto done;
 968        }
 969
 970        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 971        wait_for_completion(&fcomp.comp);
 972        ret = fcomp.comp_status;
 973done:
 974        return ret;
 975}
 976
 977static int
 978bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 979                u8 *bytes)
 980{
 981        struct bnad *bnad = netdev_priv(netdev);
 982        struct bnad_iocmd_comp fcomp;
 983        u32 flash_part = 0, base_offset = 0;
 984        unsigned long flags = 0;
 985        int ret = 0;
 986
 987        /* Check if the flash update request is valid */
 988        if (eeprom->magic != (bnad->pcidev->vendor |
 989                             (bnad->pcidev->device << 16)))
 990                return -EINVAL;
 991
 992        /* Query the flash partition based on the offset */
 993        flash_part = bnad_get_flash_partition_by_offset(bnad,
 994                                eeprom->offset, &base_offset);
 995        if (flash_part == 0)
 996                return -EFAULT;
 997
 998        fcomp.bnad = bnad;
 999        fcomp.comp_status = 0;
1000
1001        init_completion(&fcomp.comp);
1002        spin_lock_irqsave(&bnad->bna_lock, flags);
1003        ret = bfa_nw_flash_update_part(&bnad->bna.flash, flash_part,
1004                                bnad->id, bytes, eeprom->len,
1005                                eeprom->offset - base_offset,
1006                                bnad_cb_completion, &fcomp);
1007        if (ret != BFA_STATUS_OK) {
1008                spin_unlock_irqrestore(&bnad->bna_lock, flags);
1009                goto done;
1010        }
1011
1012        spin_unlock_irqrestore(&bnad->bna_lock, flags);
1013        wait_for_completion(&fcomp.comp);
1014        ret = fcomp.comp_status;
1015done:
1016        return ret;
1017}
1018
1019static int
1020bnad_flash_device(struct net_device *netdev, struct ethtool_flash *eflash)
1021{
1022        struct bnad *bnad = netdev_priv(netdev);
1023        struct bnad_iocmd_comp fcomp;
1024        const struct firmware *fw;
1025        int ret = 0;
1026
1027        ret = request_firmware(&fw, eflash->data, &bnad->pcidev->dev);
1028        if (ret) {
1029                netdev_err(netdev, "can't load firmware %s\n", eflash->data);
1030                goto out;
1031        }
1032
1033        fcomp.bnad = bnad;
1034        fcomp.comp_status = 0;
1035
1036        init_completion(&fcomp.comp);
1037        spin_lock_irq(&bnad->bna_lock);
1038        ret = bfa_nw_flash_update_part(&bnad->bna.flash, BFA_FLASH_PART_FWIMG,
1039                                bnad->id, (u8 *)fw->data, fw->size, 0,
1040                                bnad_cb_completion, &fcomp);
1041        if (ret != BFA_STATUS_OK) {
1042                netdev_warn(netdev, "flash update failed with err=%d\n", ret);
1043                ret = -EIO;
1044                spin_unlock_irq(&bnad->bna_lock);
1045                goto out;
1046        }
1047
1048        spin_unlock_irq(&bnad->bna_lock);
1049        wait_for_completion(&fcomp.comp);
1050        if (fcomp.comp_status != BFA_STATUS_OK) {
1051                ret = -EIO;
1052                netdev_warn(netdev,
1053                            "firmware image update failed with err=%d\n",
1054                            fcomp.comp_status);
1055        }
1056out:
1057        release_firmware(fw);
1058        return ret;
1059}
1060
1061static const struct ethtool_ops bnad_ethtool_ops = {
1062        .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1063                                     ETHTOOL_COALESCE_TX_MAX_FRAMES |
1064                                     ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
1065        .get_drvinfo = bnad_get_drvinfo,
1066        .get_wol = bnad_get_wol,
1067        .get_link = ethtool_op_get_link,
1068        .get_coalesce = bnad_get_coalesce,
1069        .set_coalesce = bnad_set_coalesce,
1070        .get_ringparam = bnad_get_ringparam,
1071        .set_ringparam = bnad_set_ringparam,
1072        .get_pauseparam = bnad_get_pauseparam,
1073        .set_pauseparam = bnad_set_pauseparam,
1074        .get_strings = bnad_get_strings,
1075        .get_ethtool_stats = bnad_get_ethtool_stats,
1076        .get_sset_count = bnad_get_sset_count,
1077        .get_eeprom_len = bnad_get_eeprom_len,
1078        .get_eeprom = bnad_get_eeprom,
1079        .set_eeprom = bnad_set_eeprom,
1080        .flash_device = bnad_flash_device,
1081        .get_ts_info = ethtool_op_get_ts_info,
1082        .get_link_ksettings = bnad_get_link_ksettings,
1083        .set_link_ksettings = bnad_set_link_ksettings,
1084};
1085
1086void
1087bnad_set_ethtool_ops(struct net_device *netdev)
1088{
1089        netdev->ethtool_ops = &bnad_ethtool_ops;
1090}
1091