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        strlcpy(drvinfo->version, BNAD_VERSION, sizeof(drvinfo->version));
 288
 289        ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL);
 290        if (ioc_attr) {
 291                spin_lock_irqsave(&bnad->bna_lock, flags);
 292                bfa_nw_ioc_get_attr(&bnad->bna.ioceth.ioc, ioc_attr);
 293                spin_unlock_irqrestore(&bnad->bna_lock, flags);
 294
 295                strlcpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver,
 296                        sizeof(drvinfo->fw_version));
 297                kfree(ioc_attr);
 298        }
 299
 300        strlcpy(drvinfo->bus_info, pci_name(bnad->pcidev),
 301                sizeof(drvinfo->bus_info));
 302}
 303
 304static void
 305bnad_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wolinfo)
 306{
 307        wolinfo->supported = 0;
 308        wolinfo->wolopts = 0;
 309}
 310
 311static int
 312bnad_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
 313{
 314        struct bnad *bnad = netdev_priv(netdev);
 315        unsigned long flags;
 316
 317        /* Lock rqd. to access bnad->bna_lock */
 318        spin_lock_irqsave(&bnad->bna_lock, flags);
 319        coalesce->use_adaptive_rx_coalesce =
 320                (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) ? true : false;
 321        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 322
 323        coalesce->rx_coalesce_usecs = bnad->rx_coalescing_timeo *
 324                                        BFI_COALESCING_TIMER_UNIT;
 325        coalesce->tx_coalesce_usecs = bnad->tx_coalescing_timeo *
 326                                        BFI_COALESCING_TIMER_UNIT;
 327        coalesce->tx_max_coalesced_frames = BFI_TX_INTERPKT_COUNT;
 328
 329        return 0;
 330}
 331
 332static int
 333bnad_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
 334{
 335        struct bnad *bnad = netdev_priv(netdev);
 336        unsigned long flags;
 337        int to_del = 0;
 338
 339        if (coalesce->rx_coalesce_usecs == 0 ||
 340            coalesce->rx_coalesce_usecs >
 341            BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
 342                return -EINVAL;
 343
 344        if (coalesce->tx_coalesce_usecs == 0 ||
 345            coalesce->tx_coalesce_usecs >
 346            BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
 347                return -EINVAL;
 348
 349        mutex_lock(&bnad->conf_mutex);
 350        /*
 351         * Do not need to store rx_coalesce_usecs here
 352         * Every time DIM is disabled, we can get it from the
 353         * stack.
 354         */
 355        spin_lock_irqsave(&bnad->bna_lock, flags);
 356        if (coalesce->use_adaptive_rx_coalesce) {
 357                if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) {
 358                        bnad->cfg_flags |= BNAD_CF_DIM_ENABLED;
 359                        bnad_dim_timer_start(bnad);
 360                }
 361        } else {
 362                if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) {
 363                        bnad->cfg_flags &= ~BNAD_CF_DIM_ENABLED;
 364                        if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED &&
 365                            test_bit(BNAD_RF_DIM_TIMER_RUNNING,
 366                            &bnad->run_flags)) {
 367                                clear_bit(BNAD_RF_DIM_TIMER_RUNNING,
 368                                                        &bnad->run_flags);
 369                                to_del = 1;
 370                        }
 371                        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 372                        if (to_del)
 373                                del_timer_sync(&bnad->dim_timer);
 374                        spin_lock_irqsave(&bnad->bna_lock, flags);
 375                        bnad_rx_coalescing_timeo_set(bnad);
 376                }
 377        }
 378        if (bnad->tx_coalescing_timeo != coalesce->tx_coalesce_usecs /
 379                                        BFI_COALESCING_TIMER_UNIT) {
 380                bnad->tx_coalescing_timeo = coalesce->tx_coalesce_usecs /
 381                                                BFI_COALESCING_TIMER_UNIT;
 382                bnad_tx_coalescing_timeo_set(bnad);
 383        }
 384
 385        if (bnad->rx_coalescing_timeo != coalesce->rx_coalesce_usecs /
 386                                        BFI_COALESCING_TIMER_UNIT) {
 387                bnad->rx_coalescing_timeo = coalesce->rx_coalesce_usecs /
 388                                                BFI_COALESCING_TIMER_UNIT;
 389
 390                if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED))
 391                        bnad_rx_coalescing_timeo_set(bnad);
 392
 393        }
 394
 395        /* Add Tx Inter-pkt DMA count?  */
 396
 397        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 398
 399        mutex_unlock(&bnad->conf_mutex);
 400        return 0;
 401}
 402
 403static void
 404bnad_get_ringparam(struct net_device *netdev,
 405                   struct ethtool_ringparam *ringparam)
 406{
 407        struct bnad *bnad = netdev_priv(netdev);
 408
 409        ringparam->rx_max_pending = BNAD_MAX_RXQ_DEPTH;
 410        ringparam->tx_max_pending = BNAD_MAX_TXQ_DEPTH;
 411
 412        ringparam->rx_pending = bnad->rxq_depth;
 413        ringparam->tx_pending = bnad->txq_depth;
 414}
 415
 416static int
 417bnad_set_ringparam(struct net_device *netdev,
 418                   struct ethtool_ringparam *ringparam)
 419{
 420        int i, current_err, err = 0;
 421        struct bnad *bnad = netdev_priv(netdev);
 422        unsigned long flags;
 423
 424        mutex_lock(&bnad->conf_mutex);
 425        if (ringparam->rx_pending == bnad->rxq_depth &&
 426            ringparam->tx_pending == bnad->txq_depth) {
 427                mutex_unlock(&bnad->conf_mutex);
 428                return 0;
 429        }
 430
 431        if (ringparam->rx_pending < BNAD_MIN_Q_DEPTH ||
 432            ringparam->rx_pending > BNAD_MAX_RXQ_DEPTH ||
 433            !is_power_of_2(ringparam->rx_pending)) {
 434                mutex_unlock(&bnad->conf_mutex);
 435                return -EINVAL;
 436        }
 437        if (ringparam->tx_pending < BNAD_MIN_Q_DEPTH ||
 438            ringparam->tx_pending > BNAD_MAX_TXQ_DEPTH ||
 439            !is_power_of_2(ringparam->tx_pending)) {
 440                mutex_unlock(&bnad->conf_mutex);
 441                return -EINVAL;
 442        }
 443
 444        if (ringparam->rx_pending != bnad->rxq_depth) {
 445                bnad->rxq_depth = ringparam->rx_pending;
 446                if (!netif_running(netdev)) {
 447                        mutex_unlock(&bnad->conf_mutex);
 448                        return 0;
 449                }
 450
 451                for (i = 0; i < bnad->num_rx; i++) {
 452                        if (!bnad->rx_info[i].rx)
 453                                continue;
 454                        bnad_destroy_rx(bnad, i);
 455                        current_err = bnad_setup_rx(bnad, i);
 456                        if (current_err && !err)
 457                                err = current_err;
 458                }
 459
 460                if (!err && bnad->rx_info[0].rx) {
 461                        /* restore rx configuration */
 462                        bnad_restore_vlans(bnad, 0);
 463                        bnad_enable_default_bcast(bnad);
 464                        spin_lock_irqsave(&bnad->bna_lock, flags);
 465                        bnad_mac_addr_set_locked(bnad, netdev->dev_addr);
 466                        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 467                        bnad->cfg_flags &= ~(BNAD_CF_ALLMULTI |
 468                                             BNAD_CF_PROMISC);
 469                        bnad_set_rx_mode(netdev);
 470                }
 471        }
 472        if (ringparam->tx_pending != bnad->txq_depth) {
 473                bnad->txq_depth = ringparam->tx_pending;
 474                if (!netif_running(netdev)) {
 475                        mutex_unlock(&bnad->conf_mutex);
 476                        return 0;
 477                }
 478
 479                for (i = 0; i < bnad->num_tx; i++) {
 480                        if (!bnad->tx_info[i].tx)
 481                                continue;
 482                        bnad_destroy_tx(bnad, i);
 483                        current_err = bnad_setup_tx(bnad, i);
 484                        if (current_err && !err)
 485                                err = current_err;
 486                }
 487        }
 488
 489        mutex_unlock(&bnad->conf_mutex);
 490        return err;
 491}
 492
 493static void
 494bnad_get_pauseparam(struct net_device *netdev,
 495                    struct ethtool_pauseparam *pauseparam)
 496{
 497        struct bnad *bnad = netdev_priv(netdev);
 498
 499        pauseparam->autoneg = 0;
 500        pauseparam->rx_pause = bnad->bna.enet.pause_config.rx_pause;
 501        pauseparam->tx_pause = bnad->bna.enet.pause_config.tx_pause;
 502}
 503
 504static int
 505bnad_set_pauseparam(struct net_device *netdev,
 506                    struct ethtool_pauseparam *pauseparam)
 507{
 508        struct bnad *bnad = netdev_priv(netdev);
 509        struct bna_pause_config pause_config;
 510        unsigned long flags;
 511
 512        if (pauseparam->autoneg == AUTONEG_ENABLE)
 513                return -EINVAL;
 514
 515        mutex_lock(&bnad->conf_mutex);
 516        if (pauseparam->rx_pause != bnad->bna.enet.pause_config.rx_pause ||
 517            pauseparam->tx_pause != bnad->bna.enet.pause_config.tx_pause) {
 518                pause_config.rx_pause = pauseparam->rx_pause;
 519                pause_config.tx_pause = pauseparam->tx_pause;
 520                spin_lock_irqsave(&bnad->bna_lock, flags);
 521                bna_enet_pause_config(&bnad->bna.enet, &pause_config);
 522                spin_unlock_irqrestore(&bnad->bna_lock, flags);
 523        }
 524        mutex_unlock(&bnad->conf_mutex);
 525        return 0;
 526}
 527
 528static void
 529bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string)
 530{
 531        struct bnad *bnad = netdev_priv(netdev);
 532        int i, j, q_num;
 533        u32 bmap;
 534
 535        mutex_lock(&bnad->conf_mutex);
 536
 537        switch (stringset) {
 538        case ETH_SS_STATS:
 539                for (i = 0; i < BNAD_ETHTOOL_STATS_NUM; i++) {
 540                        BUG_ON(!(strlen(bnad_net_stats_strings[i]) <
 541                                   ETH_GSTRING_LEN));
 542                        strncpy(string, bnad_net_stats_strings[i],
 543                                ETH_GSTRING_LEN);
 544                        string += ETH_GSTRING_LEN;
 545                }
 546                bmap = bna_tx_rid_mask(&bnad->bna);
 547                for (i = 0; bmap; i++) {
 548                        if (bmap & 1) {
 549                                sprintf(string, "txf%d_ucast_octets", i);
 550                                string += ETH_GSTRING_LEN;
 551                                sprintf(string, "txf%d_ucast", i);
 552                                string += ETH_GSTRING_LEN;
 553                                sprintf(string, "txf%d_ucast_vlan", i);
 554                                string += ETH_GSTRING_LEN;
 555                                sprintf(string, "txf%d_mcast_octets", i);
 556                                string += ETH_GSTRING_LEN;
 557                                sprintf(string, "txf%d_mcast", i);
 558                                string += ETH_GSTRING_LEN;
 559                                sprintf(string, "txf%d_mcast_vlan", i);
 560                                string += ETH_GSTRING_LEN;
 561                                sprintf(string, "txf%d_bcast_octets", i);
 562                                string += ETH_GSTRING_LEN;
 563                                sprintf(string, "txf%d_bcast", i);
 564                                string += ETH_GSTRING_LEN;
 565                                sprintf(string, "txf%d_bcast_vlan", i);
 566                                string += ETH_GSTRING_LEN;
 567                                sprintf(string, "txf%d_errors", i);
 568                                string += ETH_GSTRING_LEN;
 569                                sprintf(string, "txf%d_filter_vlan", i);
 570                                string += ETH_GSTRING_LEN;
 571                                sprintf(string, "txf%d_filter_mac_sa", i);
 572                                string += ETH_GSTRING_LEN;
 573                        }
 574                        bmap >>= 1;
 575                }
 576
 577                bmap = bna_rx_rid_mask(&bnad->bna);
 578                for (i = 0; bmap; i++) {
 579                        if (bmap & 1) {
 580                                sprintf(string, "rxf%d_ucast_octets", i);
 581                                string += ETH_GSTRING_LEN;
 582                                sprintf(string, "rxf%d_ucast", i);
 583                                string += ETH_GSTRING_LEN;
 584                                sprintf(string, "rxf%d_ucast_vlan", i);
 585                                string += ETH_GSTRING_LEN;
 586                                sprintf(string, "rxf%d_mcast_octets", i);
 587                                string += ETH_GSTRING_LEN;
 588                                sprintf(string, "rxf%d_mcast", i);
 589                                string += ETH_GSTRING_LEN;
 590                                sprintf(string, "rxf%d_mcast_vlan", i);
 591                                string += ETH_GSTRING_LEN;
 592                                sprintf(string, "rxf%d_bcast_octets", i);
 593                                string += ETH_GSTRING_LEN;
 594                                sprintf(string, "rxf%d_bcast", i);
 595                                string += ETH_GSTRING_LEN;
 596                                sprintf(string, "rxf%d_bcast_vlan", i);
 597                                string += ETH_GSTRING_LEN;
 598                                sprintf(string, "rxf%d_frame_drops", i);
 599                                string += ETH_GSTRING_LEN;
 600                        }
 601                        bmap >>= 1;
 602                }
 603
 604                q_num = 0;
 605                for (i = 0; i < bnad->num_rx; i++) {
 606                        if (!bnad->rx_info[i].rx)
 607                                continue;
 608                        for (j = 0; j < bnad->num_rxp_per_rx; j++) {
 609                                sprintf(string, "cq%d_producer_index", q_num);
 610                                string += ETH_GSTRING_LEN;
 611                                sprintf(string, "cq%d_consumer_index", q_num);
 612                                string += ETH_GSTRING_LEN;
 613                                sprintf(string, "cq%d_hw_producer_index",
 614                                        q_num);
 615                                string += ETH_GSTRING_LEN;
 616                                sprintf(string, "cq%d_intr", q_num);
 617                                string += ETH_GSTRING_LEN;
 618                                sprintf(string, "cq%d_poll", q_num);
 619                                string += ETH_GSTRING_LEN;
 620                                sprintf(string, "cq%d_schedule", q_num);
 621                                string += ETH_GSTRING_LEN;
 622                                sprintf(string, "cq%d_keep_poll", q_num);
 623                                string += ETH_GSTRING_LEN;
 624                                sprintf(string, "cq%d_complete", q_num);
 625                                string += ETH_GSTRING_LEN;
 626                                q_num++;
 627                        }
 628                }
 629
 630                q_num = 0;
 631                for (i = 0; i < bnad->num_rx; i++) {
 632                        if (!bnad->rx_info[i].rx)
 633                                continue;
 634                        for (j = 0; j < bnad->num_rxp_per_rx; j++) {
 635                                sprintf(string, "rxq%d_packets", q_num);
 636                                string += ETH_GSTRING_LEN;
 637                                sprintf(string, "rxq%d_bytes", q_num);
 638                                string += ETH_GSTRING_LEN;
 639                                sprintf(string, "rxq%d_packets_with_error",
 640                                                                q_num);
 641                                string += ETH_GSTRING_LEN;
 642                                sprintf(string, "rxq%d_allocbuf_failed", q_num);
 643                                string += ETH_GSTRING_LEN;
 644                                sprintf(string, "rxq%d_mapbuf_failed", q_num);
 645                                string += ETH_GSTRING_LEN;
 646                                sprintf(string, "rxq%d_producer_index", q_num);
 647                                string += ETH_GSTRING_LEN;
 648                                sprintf(string, "rxq%d_consumer_index", q_num);
 649                                string += ETH_GSTRING_LEN;
 650                                q_num++;
 651                                if (bnad->rx_info[i].rx_ctrl[j].ccb &&
 652                                        bnad->rx_info[i].rx_ctrl[j].ccb->
 653                                        rcb[1] &&
 654                                        bnad->rx_info[i].rx_ctrl[j].ccb->
 655                                        rcb[1]->rxq) {
 656                                        sprintf(string, "rxq%d_packets", q_num);
 657                                        string += ETH_GSTRING_LEN;
 658                                        sprintf(string, "rxq%d_bytes", q_num);
 659                                        string += ETH_GSTRING_LEN;
 660                                        sprintf(string,
 661                                        "rxq%d_packets_with_error", q_num);
 662                                        string += ETH_GSTRING_LEN;
 663                                        sprintf(string, "rxq%d_allocbuf_failed",
 664                                                                q_num);
 665                                        string += ETH_GSTRING_LEN;
 666                                        sprintf(string, "rxq%d_mapbuf_failed",
 667                                                q_num);
 668                                        string += ETH_GSTRING_LEN;
 669                                        sprintf(string, "rxq%d_producer_index",
 670                                                                q_num);
 671                                        string += ETH_GSTRING_LEN;
 672                                        sprintf(string, "rxq%d_consumer_index",
 673                                                                q_num);
 674                                        string += ETH_GSTRING_LEN;
 675                                        q_num++;
 676                                }
 677                        }
 678                }
 679
 680                q_num = 0;
 681                for (i = 0; i < bnad->num_tx; i++) {
 682                        if (!bnad->tx_info[i].tx)
 683                                continue;
 684                        for (j = 0; j < bnad->num_txq_per_tx; j++) {
 685                                sprintf(string, "txq%d_packets", q_num);
 686                                string += ETH_GSTRING_LEN;
 687                                sprintf(string, "txq%d_bytes", q_num);
 688                                string += ETH_GSTRING_LEN;
 689                                sprintf(string, "txq%d_producer_index", q_num);
 690                                string += ETH_GSTRING_LEN;
 691                                sprintf(string, "txq%d_consumer_index", q_num);
 692                                string += ETH_GSTRING_LEN;
 693                                sprintf(string, "txq%d_hw_consumer_index",
 694                                                                        q_num);
 695                                string += ETH_GSTRING_LEN;
 696                                q_num++;
 697                        }
 698                }
 699
 700                break;
 701
 702        default:
 703                break;
 704        }
 705
 706        mutex_unlock(&bnad->conf_mutex);
 707}
 708
 709static int
 710bnad_get_stats_count_locked(struct net_device *netdev)
 711{
 712        struct bnad *bnad = netdev_priv(netdev);
 713        int i, j, count = 0, rxf_active_num = 0, txf_active_num = 0;
 714        u32 bmap;
 715
 716        bmap = bna_tx_rid_mask(&bnad->bna);
 717        for (i = 0; bmap; i++) {
 718                if (bmap & 1)
 719                        txf_active_num++;
 720                bmap >>= 1;
 721        }
 722        bmap = bna_rx_rid_mask(&bnad->bna);
 723        for (i = 0; bmap; i++) {
 724                if (bmap & 1)
 725                        rxf_active_num++;
 726                bmap >>= 1;
 727        }
 728        count = BNAD_ETHTOOL_STATS_NUM +
 729                txf_active_num * BNAD_NUM_TXF_COUNTERS +
 730                rxf_active_num * BNAD_NUM_RXF_COUNTERS;
 731
 732        for (i = 0; i < bnad->num_rx; i++) {
 733                if (!bnad->rx_info[i].rx)
 734                        continue;
 735                count += bnad->num_rxp_per_rx * BNAD_NUM_CQ_COUNTERS;
 736                count += bnad->num_rxp_per_rx * BNAD_NUM_RXQ_COUNTERS;
 737                for (j = 0; j < bnad->num_rxp_per_rx; j++)
 738                        if (bnad->rx_info[i].rx_ctrl[j].ccb &&
 739                                bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
 740                                bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq)
 741                                count +=  BNAD_NUM_RXQ_COUNTERS;
 742        }
 743
 744        for (i = 0; i < bnad->num_tx; i++) {
 745                if (!bnad->tx_info[i].tx)
 746                        continue;
 747                count += bnad->num_txq_per_tx * BNAD_NUM_TXQ_COUNTERS;
 748        }
 749        return count;
 750}
 751
 752static int
 753bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi)
 754{
 755        int i, j;
 756        struct bna_rcb *rcb = NULL;
 757        struct bna_tcb *tcb = NULL;
 758
 759        for (i = 0; i < bnad->num_rx; i++) {
 760                if (!bnad->rx_info[i].rx)
 761                        continue;
 762                for (j = 0; j < bnad->num_rxp_per_rx; j++)
 763                        if (bnad->rx_info[i].rx_ctrl[j].ccb &&
 764                                bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
 765                                bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0]->rxq) {
 766                                buf[bi++] = bnad->rx_info[i].rx_ctrl[j].
 767                                                ccb->producer_index;
 768                                buf[bi++] = 0; /* ccb->consumer_index */
 769                                buf[bi++] = *(bnad->rx_info[i].rx_ctrl[j].
 770                                                ccb->hw_producer_index);
 771
 772                                buf[bi++] = bnad->rx_info[i].
 773                                                rx_ctrl[j].rx_intr_ctr;
 774                                buf[bi++] = bnad->rx_info[i].
 775                                                rx_ctrl[j].rx_poll_ctr;
 776                                buf[bi++] = bnad->rx_info[i].
 777                                                rx_ctrl[j].rx_schedule;
 778                                buf[bi++] = bnad->rx_info[i].
 779                                                rx_ctrl[j].rx_keep_poll;
 780                                buf[bi++] = bnad->rx_info[i].
 781                                                rx_ctrl[j].rx_complete;
 782                        }
 783        }
 784        for (i = 0; i < bnad->num_rx; i++) {
 785                if (!bnad->rx_info[i].rx)
 786                        continue;
 787                for (j = 0; j < bnad->num_rxp_per_rx; j++)
 788                        if (bnad->rx_info[i].rx_ctrl[j].ccb) {
 789                                if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
 790                                        bnad->rx_info[i].rx_ctrl[j].ccb->
 791                                        rcb[0]->rxq) {
 792                                        rcb = bnad->rx_info[i].rx_ctrl[j].
 793                                                        ccb->rcb[0];
 794                                        buf[bi++] = rcb->rxq->rx_packets;
 795                                        buf[bi++] = rcb->rxq->rx_bytes;
 796                                        buf[bi++] = rcb->rxq->
 797                                                        rx_packets_with_error;
 798                                        buf[bi++] = rcb->rxq->
 799                                                        rxbuf_alloc_failed;
 800                                        buf[bi++] = rcb->rxq->rxbuf_map_failed;
 801                                        buf[bi++] = rcb->producer_index;
 802                                        buf[bi++] = rcb->consumer_index;
 803                                }
 804                                if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
 805                                        bnad->rx_info[i].rx_ctrl[j].ccb->
 806                                        rcb[1]->rxq) {
 807                                        rcb = bnad->rx_info[i].rx_ctrl[j].
 808                                                                ccb->rcb[1];
 809                                        buf[bi++] = rcb->rxq->rx_packets;
 810                                        buf[bi++] = rcb->rxq->rx_bytes;
 811                                        buf[bi++] = rcb->rxq->
 812                                                        rx_packets_with_error;
 813                                        buf[bi++] = rcb->rxq->
 814                                                        rxbuf_alloc_failed;
 815                                        buf[bi++] = rcb->rxq->rxbuf_map_failed;
 816                                        buf[bi++] = rcb->producer_index;
 817                                        buf[bi++] = rcb->consumer_index;
 818                                }
 819                        }
 820        }
 821
 822        for (i = 0; i < bnad->num_tx; i++) {
 823                if (!bnad->tx_info[i].tx)
 824                        continue;
 825                for (j = 0; j < bnad->num_txq_per_tx; j++)
 826                        if (bnad->tx_info[i].tcb[j] &&
 827                                bnad->tx_info[i].tcb[j]->txq) {
 828                                tcb = bnad->tx_info[i].tcb[j];
 829                                buf[bi++] = tcb->txq->tx_packets;
 830                                buf[bi++] = tcb->txq->tx_bytes;
 831                                buf[bi++] = tcb->producer_index;
 832                                buf[bi++] = tcb->consumer_index;
 833                                buf[bi++] = *(tcb->hw_consumer_index);
 834                        }
 835        }
 836
 837        return bi;
 838}
 839
 840static void
 841bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats,
 842                       u64 *buf)
 843{
 844        struct bnad *bnad = netdev_priv(netdev);
 845        int i, j, bi = 0;
 846        unsigned long flags;
 847        struct rtnl_link_stats64 net_stats64;
 848        u64 *stats64;
 849        u32 bmap;
 850
 851        mutex_lock(&bnad->conf_mutex);
 852        if (bnad_get_stats_count_locked(netdev) != stats->n_stats) {
 853                mutex_unlock(&bnad->conf_mutex);
 854                return;
 855        }
 856
 857        /*
 858         * Used bna_lock to sync reads from bna_stats, which is written
 859         * under the same lock
 860         */
 861        spin_lock_irqsave(&bnad->bna_lock, flags);
 862
 863        memset(&net_stats64, 0, sizeof(net_stats64));
 864        bnad_netdev_qstats_fill(bnad, &net_stats64);
 865        bnad_netdev_hwstats_fill(bnad, &net_stats64);
 866
 867        buf[bi++] = net_stats64.rx_packets;
 868        buf[bi++] = net_stats64.tx_packets;
 869        buf[bi++] = net_stats64.rx_bytes;
 870        buf[bi++] = net_stats64.tx_bytes;
 871        buf[bi++] = net_stats64.rx_errors;
 872        buf[bi++] = net_stats64.tx_errors;
 873        buf[bi++] = net_stats64.rx_dropped;
 874        buf[bi++] = net_stats64.tx_dropped;
 875        buf[bi++] = net_stats64.multicast;
 876        buf[bi++] = net_stats64.collisions;
 877        buf[bi++] = net_stats64.rx_length_errors;
 878        buf[bi++] = net_stats64.rx_crc_errors;
 879        buf[bi++] = net_stats64.rx_frame_errors;
 880        buf[bi++] = net_stats64.tx_fifo_errors;
 881
 882        /* Get netif_queue_stopped from stack */
 883        bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev);
 884
 885        /* Fill driver stats into ethtool buffers */
 886        stats64 = (u64 *)&bnad->stats.drv_stats;
 887        for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++)
 888                buf[bi++] = stats64[i];
 889
 890        /* Fill hardware stats excluding the rxf/txf into ethtool bufs */
 891        stats64 = (u64 *) &bnad->stats.bna_stats->hw_stats;
 892        for (i = 0;
 893             i < offsetof(struct bfi_enet_stats, rxf_stats[0]) /
 894                sizeof(u64);
 895             i++)
 896                buf[bi++] = stats64[i];
 897
 898        /* Fill txf stats into ethtool buffers */
 899        bmap = bna_tx_rid_mask(&bnad->bna);
 900        for (i = 0; bmap; i++) {
 901                if (bmap & 1) {
 902                        stats64 = (u64 *)&bnad->stats.bna_stats->
 903                                                hw_stats.txf_stats[i];
 904                        for (j = 0; j < sizeof(struct bfi_enet_stats_txf) /
 905                                        sizeof(u64); j++)
 906                                buf[bi++] = stats64[j];
 907                }
 908                bmap >>= 1;
 909        }
 910
 911        /*  Fill rxf stats into ethtool buffers */
 912        bmap = bna_rx_rid_mask(&bnad->bna);
 913        for (i = 0; bmap; i++) {
 914                if (bmap & 1) {
 915                        stats64 = (u64 *)&bnad->stats.bna_stats->
 916                                                hw_stats.rxf_stats[i];
 917                        for (j = 0; j < sizeof(struct bfi_enet_stats_rxf) /
 918                                        sizeof(u64); j++)
 919                                buf[bi++] = stats64[j];
 920                }
 921                bmap >>= 1;
 922        }
 923
 924        /* Fill per Q stats into ethtool buffers */
 925        bi = bnad_per_q_stats_fill(bnad, buf, bi);
 926
 927        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 928
 929        mutex_unlock(&bnad->conf_mutex);
 930}
 931
 932static int
 933bnad_get_sset_count(struct net_device *netdev, int sset)
 934{
 935        switch (sset) {
 936        case ETH_SS_STATS:
 937                return bnad_get_stats_count_locked(netdev);
 938        default:
 939                return -EOPNOTSUPP;
 940        }
 941}
 942
 943static u32
 944bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
 945                                u32 *base_offset)
 946{
 947        struct bfa_flash_attr *flash_attr;
 948        struct bnad_iocmd_comp fcomp;
 949        u32 i, flash_part = 0, ret;
 950        unsigned long flags = 0;
 951
 952        flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL);
 953        if (!flash_attr)
 954                return 0;
 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_get_attr(&bnad->bna.flash, flash_attr,
 962                                bnad_cb_completion, &fcomp);
 963        if (ret != BFA_STATUS_OK) {
 964                spin_unlock_irqrestore(&bnad->bna_lock, flags);
 965                kfree(flash_attr);
 966                return 0;
 967        }
 968        spin_unlock_irqrestore(&bnad->bna_lock, flags);
 969        wait_for_completion(&fcomp.comp);
 970        ret = fcomp.comp_status;
 971
 972        /* Check for the flash type & base offset value */
 973        if (ret == BFA_STATUS_OK) {
 974                for (i = 0; i < flash_attr->npart; i++) {
 975                        if (offset >= flash_attr->part[i].part_off &&
 976                            offset < (flash_attr->part[i].part_off +
 977                                      flash_attr->part[i].part_size)) {
 978                                flash_part = flash_attr->part[i].part_type;
 979                                *base_offset = flash_attr->part[i].part_off;
 980                                break;
 981                        }
 982                }
 983        }
 984        kfree(flash_attr);
 985        return flash_part;
 986}
 987
 988static int
 989bnad_get_eeprom_len(struct net_device *netdev)
 990{
 991        return BFA_TOTAL_FLASH_SIZE;
 992}
 993
 994static int
 995bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 996                u8 *bytes)
 997{
 998        struct bnad *bnad = netdev_priv(netdev);
 999        struct bnad_iocmd_comp fcomp;
1000        u32 flash_part = 0, base_offset = 0;
1001        unsigned long flags = 0;
1002        int ret = 0;
1003
1004        /* Fill the magic value */
1005        eeprom->magic = bnad->pcidev->vendor | (bnad->pcidev->device << 16);
1006
1007        /* Query the flash partition based on the offset */
1008        flash_part = bnad_get_flash_partition_by_offset(bnad,
1009                                eeprom->offset, &base_offset);
1010        if (flash_part == 0)
1011                return -EFAULT;
1012
1013        fcomp.bnad = bnad;
1014        fcomp.comp_status = 0;
1015
1016        init_completion(&fcomp.comp);
1017        spin_lock_irqsave(&bnad->bna_lock, flags);
1018        ret = bfa_nw_flash_read_part(&bnad->bna.flash, flash_part,
1019                                bnad->id, bytes, eeprom->len,
1020                                eeprom->offset - base_offset,
1021                                bnad_cb_completion, &fcomp);
1022        if (ret != BFA_STATUS_OK) {
1023                spin_unlock_irqrestore(&bnad->bna_lock, flags);
1024                goto done;
1025        }
1026
1027        spin_unlock_irqrestore(&bnad->bna_lock, flags);
1028        wait_for_completion(&fcomp.comp);
1029        ret = fcomp.comp_status;
1030done:
1031        return ret;
1032}
1033
1034static int
1035bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
1036                u8 *bytes)
1037{
1038        struct bnad *bnad = netdev_priv(netdev);
1039        struct bnad_iocmd_comp fcomp;
1040        u32 flash_part = 0, base_offset = 0;
1041        unsigned long flags = 0;
1042        int ret = 0;
1043
1044        /* Check if the flash update request is valid */
1045        if (eeprom->magic != (bnad->pcidev->vendor |
1046                             (bnad->pcidev->device << 16)))
1047                return -EINVAL;
1048
1049        /* Query the flash partition based on the offset */
1050        flash_part = bnad_get_flash_partition_by_offset(bnad,
1051                                eeprom->offset, &base_offset);
1052        if (flash_part == 0)
1053                return -EFAULT;
1054
1055        fcomp.bnad = bnad;
1056        fcomp.comp_status = 0;
1057
1058        init_completion(&fcomp.comp);
1059        spin_lock_irqsave(&bnad->bna_lock, flags);
1060        ret = bfa_nw_flash_update_part(&bnad->bna.flash, flash_part,
1061                                bnad->id, bytes, eeprom->len,
1062                                eeprom->offset - base_offset,
1063                                bnad_cb_completion, &fcomp);
1064        if (ret != BFA_STATUS_OK) {
1065                spin_unlock_irqrestore(&bnad->bna_lock, flags);
1066                goto done;
1067        }
1068
1069        spin_unlock_irqrestore(&bnad->bna_lock, flags);
1070        wait_for_completion(&fcomp.comp);
1071        ret = fcomp.comp_status;
1072done:
1073        return ret;
1074}
1075
1076static int
1077bnad_flash_device(struct net_device *netdev, struct ethtool_flash *eflash)
1078{
1079        struct bnad *bnad = netdev_priv(netdev);
1080        struct bnad_iocmd_comp fcomp;
1081        const struct firmware *fw;
1082        int ret = 0;
1083
1084        ret = request_firmware(&fw, eflash->data, &bnad->pcidev->dev);
1085        if (ret) {
1086                netdev_err(netdev, "can't load firmware %s\n", eflash->data);
1087                goto out;
1088        }
1089
1090        fcomp.bnad = bnad;
1091        fcomp.comp_status = 0;
1092
1093        init_completion(&fcomp.comp);
1094        spin_lock_irq(&bnad->bna_lock);
1095        ret = bfa_nw_flash_update_part(&bnad->bna.flash, BFA_FLASH_PART_FWIMG,
1096                                bnad->id, (u8 *)fw->data, fw->size, 0,
1097                                bnad_cb_completion, &fcomp);
1098        if (ret != BFA_STATUS_OK) {
1099                netdev_warn(netdev, "flash update failed with err=%d\n", ret);
1100                ret = -EIO;
1101                spin_unlock_irq(&bnad->bna_lock);
1102                goto out;
1103        }
1104
1105        spin_unlock_irq(&bnad->bna_lock);
1106        wait_for_completion(&fcomp.comp);
1107        if (fcomp.comp_status != BFA_STATUS_OK) {
1108                ret = -EIO;
1109                netdev_warn(netdev,
1110                            "firmware image update failed with err=%d\n",
1111                            fcomp.comp_status);
1112        }
1113out:
1114        release_firmware(fw);
1115        return ret;
1116}
1117
1118static const struct ethtool_ops bnad_ethtool_ops = {
1119        .get_drvinfo = bnad_get_drvinfo,
1120        .get_wol = bnad_get_wol,
1121        .get_link = ethtool_op_get_link,
1122        .get_coalesce = bnad_get_coalesce,
1123        .set_coalesce = bnad_set_coalesce,
1124        .get_ringparam = bnad_get_ringparam,
1125        .set_ringparam = bnad_set_ringparam,
1126        .get_pauseparam = bnad_get_pauseparam,
1127        .set_pauseparam = bnad_set_pauseparam,
1128        .get_strings = bnad_get_strings,
1129        .get_ethtool_stats = bnad_get_ethtool_stats,
1130        .get_sset_count = bnad_get_sset_count,
1131        .get_eeprom_len = bnad_get_eeprom_len,
1132        .get_eeprom = bnad_get_eeprom,
1133        .set_eeprom = bnad_set_eeprom,
1134        .flash_device = bnad_flash_device,
1135        .get_ts_info = ethtool_op_get_ts_info,
1136        .get_link_ksettings = bnad_get_link_ksettings,
1137        .set_link_ksettings = bnad_set_link_ksettings,
1138};
1139
1140void
1141bnad_set_ethtool_ops(struct net_device *netdev)
1142{
1143        netdev->ethtool_ops = &bnad_ethtool_ops;
1144}
1145