be_ethtool.c

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/*
 * Copyright (C) 2005 - 2011 Emulex
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.  The full GNU General
 * Public License is included in this distribution in the file called COPYING.
 *
 * Contact Information:
 * [email protected]
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */

#include "be.h"
#include "be_cmds.h"
#include <linux/ethtool.h>

struct be_ethtool_stat {
    char desc[ETH_GSTRING_LEN];
    int type;
    int size;
    int offset;
};

enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
#define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
                    offsetof(_struct, field)
#define DRVSTAT_TX_INFO(field)  #field, DRVSTAT_TX,\
                    FIELDINFO(struct be_tx_stats, field)
#define DRVSTAT_RX_INFO(field)  #field, DRVSTAT_RX,\
                    FIELDINFO(struct be_rx_stats, field)
#define DRVSTAT_INFO(field) #field, DRVSTAT,\
                    FIELDINFO(struct be_drv_stats, field)

static const struct be_ethtool_stat et_stats[] = {
    {DRVSTAT_INFO(rx_crc_errors)},
    {DRVSTAT_INFO(rx_alignment_symbol_errors)},
    {DRVSTAT_INFO(rx_pause_frames)},
    {DRVSTAT_INFO(rx_control_frames)},
    /* Received packets dropped when the Ethernet length field
     * is not equal to the actual Ethernet data length.
     */
    {DRVSTAT_INFO(rx_in_range_errors)},
    /* Received packets dropped when their length field is >= 1501 bytes
     * and <= 1535 bytes.
     */
    {DRVSTAT_INFO(rx_out_range_errors)},
    /* Received packets dropped when they are longer than 9216 bytes */
    {DRVSTAT_INFO(rx_frame_too_long)},
    /* Received packets dropped when they don't pass the unicast or
     * multicast address filtering.
     */
    {DRVSTAT_INFO(rx_address_mismatch_drops)},
    /* Received packets dropped when IP packet length field is less than
     * the IP header length field.
     */
    {DRVSTAT_INFO(rx_dropped_too_small)},
    /* Received packets dropped when IP length field is greater than
     * the actual packet length.
     */
    {DRVSTAT_INFO(rx_dropped_too_short)},
    /* Received packets dropped when the IP header length field is less
     * than 5.
     */
    {DRVSTAT_INFO(rx_dropped_header_too_small)},
    /* Received packets dropped when the TCP header length field is less
     * than 5 or the TCP header length + IP header length is more
     * than IP packet length.
     */
    {DRVSTAT_INFO(rx_dropped_tcp_length)},
    {DRVSTAT_INFO(rx_dropped_runt)},
    /* Number of received packets dropped when a fifo for descriptors going
     * into the packet demux block overflows. In normal operation, this
     * fifo must never overflow.
     */
    {DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
    {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
    {DRVSTAT_INFO(rx_ip_checksum_errs)},
    {DRVSTAT_INFO(rx_tcp_checksum_errs)},
    {DRVSTAT_INFO(rx_udp_checksum_errs)},
    {DRVSTAT_INFO(tx_pauseframes)},
    {DRVSTAT_INFO(tx_controlframes)},
    {DRVSTAT_INFO(rx_priority_pause_frames)},
    /* Received packets dropped when an internal fifo going into
     * main packet buffer tank (PMEM) overflows.
     */
    {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
    {DRVSTAT_INFO(jabber_events)},
    /* Received packets dropped due to lack of available HW packet buffers
     * used to temporarily hold the received packets.
     */
    {DRVSTAT_INFO(rx_drops_no_pbuf)},
    /* Received packets dropped due to input receive buffer
     * descriptor fifo overflowing.
     */
    {DRVSTAT_INFO(rx_drops_no_erx_descr)},
    /* Packets dropped because the internal FIFO to the offloaded TCP
     * receive processing block is full. This could happen only for
     * offloaded iSCSI or FCoE trarffic.
     */
    {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
    /* Received packets dropped when they need more than 8
     * receive buffers. This cannot happen as the driver configures
     * 2048 byte receive buffers.
     */
    {DRVSTAT_INFO(rx_drops_too_many_frags)},
    {DRVSTAT_INFO(forwarded_packets)},
    /* Received packets dropped when the frame length
     * is more than 9018 bytes
     */
    {DRVSTAT_INFO(rx_drops_mtu)},
    /* Number of packets dropped due to random early drop function */
    {DRVSTAT_INFO(eth_red_drops)},
    {DRVSTAT_INFO(be_on_die_temperature)}
};
#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)

/* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
 * are first and second members respectively.
 */
static const struct be_ethtool_stat et_rx_stats[] = {
    {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
    {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
    {DRVSTAT_RX_INFO(rx_compl)},
    {DRVSTAT_RX_INFO(rx_mcast_pkts)},
    /* Number of page allocation failures while posting receive buffers
     * to HW.
     */
    {DRVSTAT_RX_INFO(rx_post_fail)},
    /* Recevied packets dropped due to skb allocation failure */
    {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
    /* Received packets dropped due to lack of available fetched buffers
     * posted by the driver.
     */
    {DRVSTAT_RX_INFO(rx_drops_no_frags)}
};
#define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))

/* Stats related to multi TX queues: get_stats routine assumes compl is the
 * first member
 */
static const struct be_ethtool_stat et_tx_stats[] = {
    {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
    {DRVSTAT_TX_INFO(tx_bytes)},
    {DRVSTAT_TX_INFO(tx_pkts)},
    /* Number of skbs queued for trasmission by the driver */
    {DRVSTAT_TX_INFO(tx_reqs)},
    /* Number of TX work request blocks DMAed to HW */
    {DRVSTAT_TX_INFO(tx_wrbs)},
    /* Number of times the TX queue was stopped due to lack
     * of spaces in the TXQ.
     */
    {DRVSTAT_TX_INFO(tx_stops)}
};
#define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))

static const char et_self_tests[][ETH_GSTRING_LEN] = {
    "MAC Loopback test",
    "PHY Loopback test",
    "External Loopback test",
    "DDR DMA test",
    "Link test"
};

#define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
#define BE_MAC_LOOPBACK 0x0
#define BE_PHY_LOOPBACK 0x1
#define BE_ONE_PORT_EXT_LOOPBACK 0x2
#define BE_NO_LOOPBACK 0xff

static void be_get_drvinfo(struct net_device *netdev,
                struct ethtool_drvinfo *drvinfo)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    char fw_on_flash[FW_VER_LEN];

    memset(fw_on_flash, 0 , sizeof(fw_on_flash));
    be_cmd_get_fw_ver(adapter, adapter->fw_ver, fw_on_flash);

    strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
    strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
    strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN);
    if (memcmp(adapter->fw_ver, fw_on_flash, FW_VER_LEN) != 0) {
        strcat(drvinfo->fw_version, " [");
        strcat(drvinfo->fw_version, fw_on_flash);
        strcat(drvinfo->fw_version, "]");
    }

    strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
        sizeof(drvinfo->bus_info));
    drvinfo->testinfo_len = 0;
    drvinfo->regdump_len = 0;
    drvinfo->eedump_len = 0;
}

static u32
lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
{
    u32 data_read = 0, eof;
    u8 addn_status;
    struct be_dma_mem data_len_cmd;
    int status;

    memset(&data_len_cmd, 0, sizeof(data_len_cmd));
    /* data_offset and data_size should be 0 to get reg len */
    status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
                file_name, &data_read, &eof, &addn_status);

    return data_read;
}

static int
lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
        u32 buf_len, void *buf)
{
    struct be_dma_mem read_cmd;
    u32 read_len = 0, total_read_len = 0, chunk_size;
    u32 eof = 0;
    u8 addn_status;
    int status = 0;

    read_cmd.size = LANCER_READ_FILE_CHUNK;
    read_cmd.va = pci_alloc_consistent(adapter->pdev, read_cmd.size,
            &read_cmd.dma);

    if (!read_cmd.va) {
        dev_err(&adapter->pdev->dev,
                "Memory allocation failure while reading dump\n");
        return -ENOMEM;
    }

    while ((total_read_len < buf_len) && !eof) {
        chunk_size = min_t(u32, (buf_len - total_read_len),
                LANCER_READ_FILE_CHUNK);
        chunk_size = ALIGN(chunk_size, 4);
        status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
                total_read_len, file_name, &read_len,
                &eof, &addn_status);
        if (!status) {
            memcpy(buf + total_read_len, read_cmd.va, read_len);
            total_read_len += read_len;
            eof &= LANCER_READ_FILE_EOF_MASK;
        } else {
            status = -EIO;
            break;
        }
    }
    pci_free_consistent(adapter->pdev, read_cmd.size, read_cmd.va,
            read_cmd.dma);

    return status;
}

static int
be_get_reg_len(struct net_device *netdev)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    u32 log_size = 0;

    if (be_physfn(adapter)) {
        if (lancer_chip(adapter))
            log_size = lancer_cmd_get_file_len(adapter,
                    LANCER_FW_DUMP_FILE);
        else
            be_cmd_get_reg_len(adapter, &log_size);
    }
    return log_size;
}

static void
be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    if (be_physfn(adapter)) {
        memset(buf, 0, regs->len);
        if (lancer_chip(adapter))
            lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
                    regs->len, buf);
        else
            be_cmd_get_regs(adapter, regs->len, buf);
    }
}

static int be_get_coalesce(struct net_device *netdev,
               struct ethtool_coalesce *et)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    struct be_eq_obj *eqo = &adapter->eq_obj[0];


    et->rx_coalesce_usecs = eqo->cur_eqd;
    et->rx_coalesce_usecs_high = eqo->max_eqd;
    et->rx_coalesce_usecs_low = eqo->min_eqd;

    et->tx_coalesce_usecs = eqo->cur_eqd;
    et->tx_coalesce_usecs_high = eqo->max_eqd;
    et->tx_coalesce_usecs_low = eqo->min_eqd;

    et->use_adaptive_rx_coalesce = eqo->enable_aic;
    et->use_adaptive_tx_coalesce = eqo->enable_aic;

    return 0;
}

/* TX attributes are ignored. Only RX attributes are considered
 * eqd cmd is issued in the worker thread.
 */
static int be_set_coalesce(struct net_device *netdev,
               struct ethtool_coalesce *et)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    struct be_eq_obj *eqo;
    int i;

    for_all_evt_queues(adapter, eqo, i) {
        eqo->enable_aic = et->use_adaptive_rx_coalesce;
        eqo->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
        eqo->min_eqd = min(et->rx_coalesce_usecs_low, eqo->max_eqd);
        eqo->eqd = et->rx_coalesce_usecs;
    }

    return 0;
}

static void
be_get_ethtool_stats(struct net_device *netdev,
        struct ethtool_stats *stats, uint64_t *data)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    struct be_rx_obj *rxo;
    struct be_tx_obj *txo;
    void *p;
    unsigned int i, j, base = 0, start;

    for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
        p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
        data[i] = *(u32 *)p;
    }
    base += ETHTOOL_STATS_NUM;

    for_all_rx_queues(adapter, rxo, j) {
        struct be_rx_stats *stats = rx_stats(rxo);

        do {
            start = u64_stats_fetch_begin_bh(&stats->sync);
            data[base] = stats->rx_bytes;
            data[base + 1] = stats->rx_pkts;
        } while (u64_stats_fetch_retry_bh(&stats->sync, start));

        for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
            p = (u8 *)stats + et_rx_stats[i].offset;
            data[base + i] = *(u32 *)p;
        }
        base += ETHTOOL_RXSTATS_NUM;
    }

    for_all_tx_queues(adapter, txo, j) {
        struct be_tx_stats *stats = tx_stats(txo);

        do {
            start = u64_stats_fetch_begin_bh(&stats->sync_compl);
            data[base] = stats->tx_compl;
        } while (u64_stats_fetch_retry_bh(&stats->sync_compl, start));

        do {
            start = u64_stats_fetch_begin_bh(&stats->sync);
            for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
                p = (u8 *)stats + et_tx_stats[i].offset;
                data[base + i] =
                    (et_tx_stats[i].size == sizeof(u64)) ?
                        *(u64 *)p : *(u32 *)p;
            }
        } while (u64_stats_fetch_retry_bh(&stats->sync, start));
        base += ETHTOOL_TXSTATS_NUM;
    }
}

static void
be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
        uint8_t *data)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    int i, j;

    switch (stringset) {
    case ETH_SS_STATS:
        for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
            memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
            data += ETH_GSTRING_LEN;
        }
        for (i = 0; i < adapter->num_rx_qs; i++) {
            for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
                sprintf(data, "rxq%d: %s", i,
                    et_rx_stats[j].desc);
                data += ETH_GSTRING_LEN;
            }
        }
        for (i = 0; i < adapter->num_tx_qs; i++) {
            for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
                sprintf(data, "txq%d: %s", i,
                    et_tx_stats[j].desc);
                data += ETH_GSTRING_LEN;
            }
        }
        break;
    case ETH_SS_TEST:
        for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
            memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
            data += ETH_GSTRING_LEN;
        }
        break;
    }
}

static int be_get_sset_count(struct net_device *netdev, int stringset)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    switch (stringset) {
    case ETH_SS_TEST:
        return ETHTOOL_TESTS_NUM;
    case ETH_SS_STATS:
        return ETHTOOL_STATS_NUM +
            adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
            adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
    default:
        return -EINVAL;
    }
}

static u32 be_get_port_type(u32 phy_type, u32 dac_cable_len)
{
    u32 port;

    switch (phy_type) {
    case PHY_TYPE_BASET_1GB:
    case PHY_TYPE_BASEX_1GB:
    case PHY_TYPE_SGMII:
        port = PORT_TP;
        break;
    case PHY_TYPE_SFP_PLUS_10GB:
        port = dac_cable_len ? PORT_DA : PORT_FIBRE;
        break;
    case PHY_TYPE_XFP_10GB:
    case PHY_TYPE_SFP_1GB:
        port = PORT_FIBRE;
        break;
    case PHY_TYPE_BASET_10GB:
        port = PORT_TP;
        break;
    default:
        port = PORT_OTHER;
    }

    return port;
}

static u32 convert_to_et_setting(u32 if_type, u32 if_speeds)
{
    u32 val = 0;

    switch (if_type) {
    case PHY_TYPE_BASET_1GB:
    case PHY_TYPE_BASEX_1GB:
    case PHY_TYPE_SGMII:
        val |= SUPPORTED_TP;
        if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
            val |= SUPPORTED_1000baseT_Full;
        if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
            val |= SUPPORTED_100baseT_Full;
        if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
            val |= SUPPORTED_10baseT_Full;
        break;
    case PHY_TYPE_KX4_10GB:
        val |= SUPPORTED_Backplane;
        if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
            val |= SUPPORTED_1000baseKX_Full;
        if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
            val |= SUPPORTED_10000baseKX4_Full;
        break;
    case PHY_TYPE_KR_10GB:
        val |= SUPPORTED_Backplane |
                SUPPORTED_10000baseKR_Full;
        break;
    case PHY_TYPE_SFP_PLUS_10GB:
    case PHY_TYPE_XFP_10GB:
    case PHY_TYPE_SFP_1GB:
        val |= SUPPORTED_FIBRE;
        if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
            val |= SUPPORTED_10000baseT_Full;
        if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
            val |= SUPPORTED_1000baseT_Full;
        break;
    case PHY_TYPE_BASET_10GB:
        val |= SUPPORTED_TP;
        if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
            val |= SUPPORTED_10000baseT_Full;
        if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
            val |= SUPPORTED_1000baseT_Full;
        if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
            val |= SUPPORTED_100baseT_Full;
        break;
    default:
        val |= SUPPORTED_TP;
    }

    return val;
}

bool be_pause_supported(struct be_adapter *adapter)
{
    return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
        adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
        false : true;
}

static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    u8 link_status;
    u16 link_speed = 0;
    int status;

    if (adapter->phy.link_speed < 0) {
        status = be_cmd_link_status_query(adapter, &link_speed,
                          &link_status, 0);
        if (!status)
            be_link_status_update(adapter, link_status);
        ethtool_cmd_speed_set(ecmd, link_speed);

        status = be_cmd_get_phy_info(adapter);
        if (status)
            return status;

        ecmd->supported =
            convert_to_et_setting(adapter->phy.interface_type,
                    adapter->phy.auto_speeds_supported |
                    adapter->phy.fixed_speeds_supported);
        ecmd->advertising =
            convert_to_et_setting(adapter->phy.interface_type,
                    adapter->phy.auto_speeds_supported);

        ecmd->port = be_get_port_type(adapter->phy.interface_type,
                          adapter->phy.dac_cable_len);

        if (adapter->phy.auto_speeds_supported) {
            ecmd->supported |= SUPPORTED_Autoneg;
            ecmd->autoneg = AUTONEG_ENABLE;
            ecmd->advertising |= ADVERTISED_Autoneg;
        }

        if (be_pause_supported(adapter)) {
            ecmd->supported |= SUPPORTED_Pause;
            ecmd->advertising |= ADVERTISED_Pause;
        }

        switch (adapter->phy.interface_type) {
        case PHY_TYPE_KR_10GB:
        case PHY_TYPE_KX4_10GB:
            ecmd->transceiver = XCVR_INTERNAL;
            break;
        default:
            ecmd->transceiver = XCVR_EXTERNAL;
            break;
        }

        /* Save for future use */
        adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
        adapter->phy.port_type = ecmd->port;
        adapter->phy.transceiver = ecmd->transceiver;
        adapter->phy.autoneg = ecmd->autoneg;
        adapter->phy.advertising = ecmd->advertising;
        adapter->phy.supported = ecmd->supported;
    } else {
        ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
        ecmd->port = adapter->phy.port_type;
        ecmd->transceiver = adapter->phy.transceiver;
        ecmd->autoneg = adapter->phy.autoneg;
        ecmd->advertising = adapter->phy.advertising;
        ecmd->supported = adapter->phy.supported;
    }

    ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
    ecmd->phy_address = adapter->port_num;

    return 0;
}

static void be_get_ringparam(struct net_device *netdev,
                 struct ethtool_ringparam *ring)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    ring->rx_max_pending = ring->rx_pending = adapter->rx_obj[0].q.len;
    ring->tx_max_pending = ring->tx_pending = adapter->tx_obj[0].q.len;
}

static void
be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
    ecmd->autoneg = adapter->phy.fc_autoneg;
}

static int
be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    int status;

    if (ecmd->autoneg != adapter->phy.fc_autoneg)
        return -EINVAL;
    adapter->tx_fc = ecmd->tx_pause;
    adapter->rx_fc = ecmd->rx_pause;

    status = be_cmd_set_flow_control(adapter,
                    adapter->tx_fc, adapter->rx_fc);
    if (status)
        dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");

    return status;
}

static int
be_set_phys_id(struct net_device *netdev,
           enum ethtool_phys_id_state state)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    switch (state) {
    case ETHTOOL_ID_ACTIVE:
        be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
                    &adapter->beacon_state);
        return 1;   /* cycle on/off once per second */

    case ETHTOOL_ID_ON:
        be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
                    BEACON_STATE_ENABLED);
        break;

    case ETHTOOL_ID_OFF:
        be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
                    BEACON_STATE_DISABLED);
        break;

    case ETHTOOL_ID_INACTIVE:
        be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
                    adapter->beacon_state);
    }

    return 0;
}


static void
be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    if (be_is_wol_supported(adapter)) {
        wol->supported |= WAKE_MAGIC;
        wol->wolopts |= WAKE_MAGIC;
    } else
        wol->wolopts = 0;
    memset(&wol->sopass, 0, sizeof(wol->sopass));
}

static int
be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    if (wol->wolopts & ~WAKE_MAGIC)
        return -EOPNOTSUPP;

    if (!be_is_wol_supported(adapter)) {
        dev_warn(&adapter->pdev->dev, "WOL not supported\n");
        return -EOPNOTSUPP;
    }

    if (wol->wolopts & WAKE_MAGIC)
        adapter->wol = true;
    else
        adapter->wol = false;

    return 0;
}

static int
be_test_ddr_dma(struct be_adapter *adapter)
{
    int ret, i;
    struct be_dma_mem ddrdma_cmd;
    static const u64 pattern[2] = {
        0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
    };

    ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
    ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
                       &ddrdma_cmd.dma, GFP_KERNEL);
    if (!ddrdma_cmd.va) {
        dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
        return -ENOMEM;
    }

    for (i = 0; i < 2; i++) {
        ret = be_cmd_ddr_dma_test(adapter, pattern[i],
                    4096, &ddrdma_cmd);
        if (ret != 0)
            goto err;
    }

err:
    dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
              ddrdma_cmd.dma);
    return ret;
}

static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
                u64 *status)
{
    be_cmd_set_loopback(adapter, adapter->hba_port_num,
                loopback_type, 1);
    *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
                loopback_type, 1500,
                2, 0xabc);
    be_cmd_set_loopback(adapter, adapter->hba_port_num,
                BE_NO_LOOPBACK, 1);
    return *status;
}

static void
be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    int status;
    u8 link_status = 0;

    memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);

    if (test->flags & ETH_TEST_FL_OFFLINE) {
        if (be_loopback_test(adapter, BE_MAC_LOOPBACK,
                        &data[0]) != 0) {
            test->flags |= ETH_TEST_FL_FAILED;
        }
        if (be_loopback_test(adapter, BE_PHY_LOOPBACK,
                        &data[1]) != 0) {
            test->flags |= ETH_TEST_FL_FAILED;
        }
        if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
                        &data[2]) != 0) {
            test->flags |= ETH_TEST_FL_FAILED;
        }
    }

    if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
        data[3] = 1;
        test->flags |= ETH_TEST_FL_FAILED;
    }

    status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
    if (status) {
        test->flags |= ETH_TEST_FL_FAILED;
        data[4] = -1;
    } else if (!link_status) {
        test->flags |= ETH_TEST_FL_FAILED;
        data[4] = 1;
    }
}

static int
be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    return be_load_fw(adapter, efl->data);
}

static int
be_get_eeprom_len(struct net_device *netdev)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    if (lancer_chip(adapter)) {
        if (be_physfn(adapter))
            return lancer_cmd_get_file_len(adapter,
                    LANCER_VPD_PF_FILE);
        else
            return lancer_cmd_get_file_len(adapter,
                    LANCER_VPD_VF_FILE);
    } else {
        return BE_READ_SEEPROM_LEN;
    }
}

static int
be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
            uint8_t *data)
{
    struct be_adapter *adapter = netdev_priv(netdev);
    struct be_dma_mem eeprom_cmd;
    struct be_cmd_resp_seeprom_read *resp;
    int status;

    if (!eeprom->len)
        return -EINVAL;

    if (lancer_chip(adapter)) {
        if (be_physfn(adapter))
            return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
                    eeprom->len, data);
        else
            return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
                    eeprom->len, data);
    }

    eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);

    memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
    eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
    eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
                       &eeprom_cmd.dma, GFP_KERNEL);

    if (!eeprom_cmd.va) {
        dev_err(&adapter->pdev->dev,
            "Memory allocation failure. Could not read eeprom\n");
        return -ENOMEM;
    }

    status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);

    if (!status) {
        resp = eeprom_cmd.va;
        memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
    }
    dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
              eeprom_cmd.dma);

    return status;
}

static u32 be_get_msg_level(struct net_device *netdev)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    if (lancer_chip(adapter)) {
        dev_err(&adapter->pdev->dev, "Operation not supported\n");
        return -EOPNOTSUPP;
    }

    return adapter->msg_enable;
}

static void be_set_fw_log_level(struct be_adapter *adapter, u32 level)
{
    struct be_dma_mem extfat_cmd;
    struct be_fat_conf_params *cfgs;
    int status;
    int i, j;

    memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
    extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
    extfat_cmd.va = pci_alloc_consistent(adapter->pdev, extfat_cmd.size,
                         &extfat_cmd.dma);
    if (!extfat_cmd.va) {
        dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
            __func__);
        goto err;
    }
    status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
    if (!status) {
        cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
                    sizeof(struct be_cmd_resp_hdr));
        for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
            u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);
            for (j = 0; j < num_modes; j++) {
                if (cfgs->module[i].trace_lvl[j].mode ==
                                MODE_UART)
                    cfgs->module[i].trace_lvl[j].dbg_lvl =
                            cpu_to_le32(level);
            }
        }
        status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd,
                            cfgs);
        if (status)
            dev_err(&adapter->pdev->dev,
                "Message level set failed\n");
    } else {
        dev_err(&adapter->pdev->dev, "Message level get failed\n");
    }

    pci_free_consistent(adapter->pdev, extfat_cmd.size, extfat_cmd.va,
                extfat_cmd.dma);
err:
    return;
}

static void be_set_msg_level(struct net_device *netdev, u32 level)
{
    struct be_adapter *adapter = netdev_priv(netdev);

    if (lancer_chip(adapter)) {
        dev_err(&adapter->pdev->dev, "Operation not supported\n");
        return;
    }

    if (adapter->msg_enable == level)
        return;

    if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
        be_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
                    FW_LOG_LEVEL_DEFAULT : FW_LOG_LEVEL_FATAL);
    adapter->msg_enable = level;

    return;
}

const struct ethtool_ops be_ethtool_ops = {
    .get_settings = be_get_settings,
    .get_drvinfo = be_get_drvinfo,
    .get_wol = be_get_wol,
    .set_wol = be_set_wol,
    .get_link = ethtool_op_get_link,
    .get_eeprom_len = be_get_eeprom_len,
    .get_eeprom = be_read_eeprom,
    .get_coalesce = be_get_coalesce,
    .set_coalesce = be_set_coalesce,
    .get_ringparam = be_get_ringparam,
    .get_pauseparam = be_get_pauseparam,
    .set_pauseparam = be_set_pauseparam,
    .get_strings = be_get_stat_strings,
    .set_phys_id = be_set_phys_id,
    .get_msglevel = be_get_msg_level,
    .set_msglevel = be_set_msg_level,
    .get_sset_count = be_get_sset_count,
    .get_ethtool_stats = be_get_ethtool_stats,
    .get_regs_len = be_get_reg_len,
    .get_regs = be_get_regs,
    .flash_device = be_do_flash,
    .self_test = be_self_test,
};