// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2015 - 2023 Beijing WangXun Technology Co., Ltd. */

#include <linux/pci.h>
#include <linux/phy.h>
#include <linux/ethtool.h>

#include "wx_type.h"
#include "wx_ethtool.h"
#include "wx_hw.h"
#include "wx_lib.h"

struct wx_stats {
        char stat_string[ETH_GSTRING_LEN];
        size_t sizeof_stat;
        off_t stat_offset;
};

#define WX_STAT(str, m) { \
                .stat_string = str, \
                .sizeof_stat = sizeof(((struct wx *)0)->m), \
                .stat_offset = offsetof(struct wx, m) }

static const struct wx_stats wx_gstrings_stats[] = {
        WX_STAT("rx_dma_pkts", stats.gprc),
        WX_STAT("tx_dma_pkts", stats.gptc),
        WX_STAT("rx_dma_bytes", stats.gorc),
        WX_STAT("tx_dma_bytes", stats.gotc),
        WX_STAT("rx_total_pkts", stats.tpr),
        WX_STAT("tx_total_pkts", stats.tpt),
        WX_STAT("rx_long_length_count", stats.roc),
        WX_STAT("rx_short_length_count", stats.ruc),
        WX_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
        WX_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
        WX_STAT("os2bmc_tx_by_host", stats.o2bspc),
        WX_STAT("os2bmc_rx_by_host", stats.b2ogprc),
        WX_STAT("rx_no_dma_resources", stats.rdmdrop),
        WX_STAT("tx_busy", tx_busy),
        WX_STAT("non_eop_descs", non_eop_descs),
        WX_STAT("tx_restart_queue", restart_queue),
        WX_STAT("rx_csum_offload_good_count", hw_csum_rx_good),
        WX_STAT("rx_csum_offload_errors", hw_csum_rx_error),
        WX_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
        WX_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
        WX_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
        WX_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
};

static const struct wx_stats wx_gstrings_fdir_stats[] = {
        WX_STAT("fdir_match", stats.fdirmatch),
        WX_STAT("fdir_miss", stats.fdirmiss),
};

static const struct wx_stats wx_gstrings_rsc_stats[] = {
        WX_STAT("rsc_aggregated", rsc_count),
        WX_STAT("rsc_flushed", rsc_flush),
};

/* drivers allocates num_tx_queues and num_rx_queues symmetrically so
 * we set the num_rx_queues to evaluate to num_tx_queues. This is
 * used because we do not have a good way to get the max number of
 * rx queues with CONFIG_RPS disabled.
 */
#define WX_NUM_RX_QUEUES netdev->num_tx_queues
#define WX_NUM_TX_QUEUES netdev->num_tx_queues

#define WX_QUEUE_STATS_LEN ( \
                (WX_NUM_TX_QUEUES + WX_NUM_RX_QUEUES) * \
                (sizeof(struct wx_queue_stats) / sizeof(u64)))
#define WX_GLOBAL_STATS_LEN  ARRAY_SIZE(wx_gstrings_stats)
#define WX_FDIR_STATS_LEN  ARRAY_SIZE(wx_gstrings_fdir_stats)
#define WX_RSC_STATS_LEN  ARRAY_SIZE(wx_gstrings_rsc_stats)
#define WX_STATS_LEN (WX_GLOBAL_STATS_LEN + WX_QUEUE_STATS_LEN)

int wx_get_sset_count(struct net_device *netdev, int sset)
{
        struct wx *wx = netdev_priv(netdev);
        int len = WX_STATS_LEN;

        switch (sset) {
        case ETH_SS_STATS:
                if (test_bit(WX_FLAG_FDIR_CAPABLE, wx->flags))
                        len += WX_FDIR_STATS_LEN;
                if (test_bit(WX_FLAG_RSC_CAPABLE, wx->flags))
                        len += WX_RSC_STATS_LEN;
                return len;
        default:
                return -EOPNOTSUPP;
        }
}
EXPORT_SYMBOL(wx_get_sset_count);

void wx_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
        struct wx *wx = netdev_priv(netdev);
        u8 *p = data;
        int i;

        switch (stringset) {
        case ETH_SS_STATS:
                for (i = 0; i < WX_GLOBAL_STATS_LEN; i++)
                        ethtool_puts(&p, wx_gstrings_stats[i].stat_string);
                if (test_bit(WX_FLAG_FDIR_CAPABLE, wx->flags)) {
                        for (i = 0; i < WX_FDIR_STATS_LEN; i++)
                                ethtool_puts(&p, wx_gstrings_fdir_stats[i].stat_string);
                }
                if (test_bit(WX_FLAG_RSC_CAPABLE, wx->flags)) {
                        for (i = 0; i < WX_RSC_STATS_LEN; i++)
                                ethtool_puts(&p, wx_gstrings_rsc_stats[i].stat_string);
                }
                for (i = 0; i < netdev->num_tx_queues; i++) {
                        ethtool_sprintf(&p, "tx_queue_%u_packets", i);
                        ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
                }
                for (i = 0; i < WX_NUM_RX_QUEUES; i++) {
                        ethtool_sprintf(&p, "rx_queue_%u_packets", i);
                        ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
                }
                break;
        }
}
EXPORT_SYMBOL(wx_get_strings);

void wx_get_ethtool_stats(struct net_device *netdev,
                          struct ethtool_stats *stats, u64 *data)
{
        struct wx *wx = netdev_priv(netdev);
        struct wx_ring *ring;
        unsigned int start;
        int i, j, k;
        char *p;

        wx_update_stats(wx);

        for (i = 0; i < WX_GLOBAL_STATS_LEN; i++) {
                p = (char *)wx + wx_gstrings_stats[i].stat_offset;
                data[i] = (wx_gstrings_stats[i].sizeof_stat ==
                           sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
        }

        if (test_bit(WX_FLAG_FDIR_CAPABLE, wx->flags)) {
                for (k = 0; k < WX_FDIR_STATS_LEN; k++) {
                        p = (char *)wx + wx_gstrings_fdir_stats[k].stat_offset;
                        data[i++] = *(u64 *)p;
                }
        }

        if (test_bit(WX_FLAG_RSC_CAPABLE, wx->flags)) {
                for (k = 0; k < WX_RSC_STATS_LEN; k++) {
                        p = (char *)wx + wx_gstrings_rsc_stats[k].stat_offset;
                        data[i++] = *(u64 *)p;
                }
        }

        for (j = 0; j < netdev->num_tx_queues; j++) {
                ring = wx->tx_ring[j];
                if (!ring) {
                        data[i++] = 0;
                        data[i++] = 0;
                        continue;
                }

                do {
                        start = u64_stats_fetch_begin(&ring->syncp);
                        data[i] = ring->stats.packets;
                        data[i + 1] = ring->stats.bytes;
                } while (u64_stats_fetch_retry(&ring->syncp, start));
                i += 2;
        }
        for (j = 0; j < WX_NUM_RX_QUEUES; j++) {
                ring = wx->rx_ring[j];
                if (!ring) {
                        data[i++] = 0;
                        data[i++] = 0;
                        continue;
                }

                do {
                        start = u64_stats_fetch_begin(&ring->syncp);
                        data[i] = ring->stats.packets;
                        data[i + 1] = ring->stats.bytes;
                } while (u64_stats_fetch_retry(&ring->syncp, start));
                i += 2;
        }
}
EXPORT_SYMBOL(wx_get_ethtool_stats);

void wx_get_mac_stats(struct net_device *netdev,
                      struct ethtool_eth_mac_stats *mac_stats)
{
        struct wx *wx = netdev_priv(netdev);
        struct wx_hw_stats *hwstats;

        wx_update_stats(wx);

        hwstats = &wx->stats;
        mac_stats->MulticastFramesXmittedOK = hwstats->mptc;
        mac_stats->BroadcastFramesXmittedOK = hwstats->bptc;
        mac_stats->MulticastFramesReceivedOK = hwstats->mprc;
        mac_stats->BroadcastFramesReceivedOK = hwstats->bprc;
}
EXPORT_SYMBOL(wx_get_mac_stats);

void wx_get_pause_stats(struct net_device *netdev,
                        struct ethtool_pause_stats *stats)
{
        struct wx *wx = netdev_priv(netdev);
        struct wx_hw_stats *hwstats;

        wx_update_stats(wx);

        hwstats = &wx->stats;
        stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc;
        stats->rx_pause_frames = hwstats->lxonoffrxc;
}
EXPORT_SYMBOL(wx_get_pause_stats);

void wx_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info)
{
        unsigned int stats_len = WX_STATS_LEN;
        struct wx *wx = netdev_priv(netdev);

        if (test_bit(WX_FLAG_FDIR_CAPABLE, wx->flags))
                stats_len += WX_FDIR_STATS_LEN;

        strscpy(info->driver, wx->driver_name, sizeof(info->driver));
        strscpy(info->fw_version, wx->eeprom_id, sizeof(info->fw_version));
        strscpy(info->bus_info, pci_name(wx->pdev), sizeof(info->bus_info));
        if (wx->num_tx_queues <= WX_NUM_TX_QUEUES) {
                info->n_stats = stats_len -
                                   (WX_NUM_TX_QUEUES - wx->num_tx_queues) *
                                   (sizeof(struct wx_queue_stats) / sizeof(u64)) * 2;
        } else {
                info->n_stats = stats_len;
        }
}
EXPORT_SYMBOL(wx_get_drvinfo);

int wx_nway_reset(struct net_device *netdev)
{
        struct wx *wx = netdev_priv(netdev);

        return phylink_ethtool_nway_reset(wx->phylink);
}
EXPORT_SYMBOL(wx_nway_reset);

int wx_get_link_ksettings(struct net_device *netdev,
                          struct ethtool_link_ksettings *cmd)
{
        struct wx *wx = netdev_priv(netdev);

        return phylink_ethtool_ksettings_get(wx->phylink, cmd);
}
EXPORT_SYMBOL(wx_get_link_ksettings);

int wx_set_link_ksettings(struct net_device *netdev,
                          const struct ethtool_link_ksettings *cmd)
{
        struct wx *wx = netdev_priv(netdev);

        return phylink_ethtool_ksettings_set(wx->phylink, cmd);
}
EXPORT_SYMBOL(wx_set_link_ksettings);

void wx_get_pauseparam(struct net_device *netdev,
                       struct ethtool_pauseparam *pause)
{
        struct wx *wx = netdev_priv(netdev);

        phylink_ethtool_get_pauseparam(wx->phylink, pause);
}
EXPORT_SYMBOL(wx_get_pauseparam);

int wx_set_pauseparam(struct net_device *netdev,
                      struct ethtool_pauseparam *pause)
{
        struct wx *wx = netdev_priv(netdev);

        return phylink_ethtool_set_pauseparam(wx->phylink, pause);
}
EXPORT_SYMBOL(wx_set_pauseparam);

void wx_get_ringparam(struct net_device *netdev,
                      struct ethtool_ringparam *ring,
                      struct kernel_ethtool_ringparam *kernel_ring,
                      struct netlink_ext_ack *extack)
{
        struct wx *wx = netdev_priv(netdev);

        ring->rx_max_pending = WX_MAX_RXD;
        ring->tx_max_pending = WX_MAX_TXD;
        ring->rx_mini_max_pending = 0;
        ring->rx_jumbo_max_pending = 0;
        ring->rx_pending = wx->rx_ring_count;
        ring->tx_pending = wx->tx_ring_count;
        ring->rx_mini_pending = 0;
        ring->rx_jumbo_pending = 0;
}
EXPORT_SYMBOL(wx_get_ringparam);

int wx_get_coalesce(struct net_device *netdev,
                    struct ethtool_coalesce *ec,
                    struct kernel_ethtool_coalesce *kernel_coal,
                    struct netlink_ext_ack *extack)
{
        struct wx *wx = netdev_priv(netdev);

        ec->tx_max_coalesced_frames_irq = wx->tx_work_limit;
        /* only valid if in constant ITR mode */
        if (wx->rx_itr_setting <= 1)
                ec->rx_coalesce_usecs = wx->rx_itr_setting;
        else
                ec->rx_coalesce_usecs = wx->rx_itr_setting >> 2;

        if (wx->adaptive_itr) {
                ec->use_adaptive_rx_coalesce = 1;
                ec->use_adaptive_tx_coalesce = 1;
        }

        /* if in mixed tx/rx queues per vector mode, report only rx settings */
        if (wx->q_vector[0]->tx.count && wx->q_vector[0]->rx.count)
                return 0;

        /* only valid if in constant ITR mode */
        if (wx->tx_itr_setting <= 1)
                ec->tx_coalesce_usecs = wx->tx_itr_setting;
        else
                ec->tx_coalesce_usecs = wx->tx_itr_setting >> 2;

        return 0;
}
EXPORT_SYMBOL(wx_get_coalesce);

static void wx_update_rsc(struct wx *wx)
{
        struct net_device *netdev = wx->netdev;
        bool need_reset = false;

        /* nothing to do if LRO or RSC are not enabled */
        if (!test_bit(WX_FLAG_RSC_CAPABLE, wx->flags) ||
            !(netdev->features & NETIF_F_LRO))
                return;

        /* check the feature flag value and enable RSC if necessary */
        if (wx->rx_itr_setting == 1 ||
            wx->rx_itr_setting > WX_MIN_RSC_ITR) {
                if (!test_bit(WX_FLAG_RSC_ENABLED, wx->flags)) {
                        set_bit(WX_FLAG_RSC_ENABLED, wx->flags);
                        dev_info(&wx->pdev->dev,
                                 "rx-usecs value high enough to re-enable RSC\n");

                        need_reset = true;
                }
        /* if interrupt rate is too high then disable RSC */
        } else if (test_bit(WX_FLAG_RSC_ENABLED, wx->flags)) {
                clear_bit(WX_FLAG_RSC_ENABLED, wx->flags);
                dev_info(&wx->pdev->dev,
                         "rx-usecs set too low, disabling RSC\n");

                need_reset = true;
        }

        /* reset the device to apply the new RSC setting */
        if (need_reset && wx->do_reset)
                wx->do_reset(netdev);
}

int wx_set_coalesce(struct net_device *netdev,
                    struct ethtool_coalesce *ec,
                    struct kernel_ethtool_coalesce *kernel_coal,
                    struct netlink_ext_ack *extack)
{
        struct wx *wx = netdev_priv(netdev);
        u16 tx_itr_param, rx_itr_param;
        struct wx_q_vector *q_vector;
        u16 max_eitr;
        int i;

        if (wx->q_vector[0]->tx.count && wx->q_vector[0]->rx.count) {
                /* reject Tx specific changes in case of mixed RxTx vectors */
                if (ec->tx_coalesce_usecs)
                        return -EOPNOTSUPP;
        }

        if (ec->tx_max_coalesced_frames_irq > U16_MAX  ||
            !ec->tx_max_coalesced_frames_irq)
                return -EINVAL;

        wx->tx_work_limit = ec->tx_max_coalesced_frames_irq;

        switch (wx->mac.type) {
        case wx_mac_sp:
                max_eitr = WX_SP_MAX_EITR;
                rx_itr_param = WX_20K_ITR;
                tx_itr_param = WX_12K_ITR;
                break;
        case wx_mac_aml:
        case wx_mac_aml40:
                max_eitr = WX_AML_MAX_EITR;
                rx_itr_param = WX_20K_ITR;
                tx_itr_param = WX_12K_ITR;
                break;
        default:
                max_eitr = WX_EM_MAX_EITR;
                rx_itr_param = WX_7K_ITR;
                tx_itr_param = WX_7K_ITR;
                break;
        }

        if ((ec->rx_coalesce_usecs > (max_eitr >> 2)) ||
            (ec->tx_coalesce_usecs > (max_eitr >> 2)))
                return -EINVAL;

        if (ec->use_adaptive_rx_coalesce) {
                wx->adaptive_itr = true;
                wx->rx_itr_setting = 1;
                wx->tx_itr_setting = 1;
                return 0;
        }

        if (ec->rx_coalesce_usecs > 1)
                wx->rx_itr_setting = ec->rx_coalesce_usecs << 2;
        else
                wx->rx_itr_setting = ec->rx_coalesce_usecs;

        if (ec->tx_coalesce_usecs > 1)
                wx->tx_itr_setting = ec->tx_coalesce_usecs << 2;
        else
                wx->tx_itr_setting = ec->tx_coalesce_usecs;

        if (wx->adaptive_itr) {
                wx->adaptive_itr = false;
                wx->rx_itr_setting = rx_itr_param;
                wx->tx_itr_setting = tx_itr_param;
        } else if (wx->rx_itr_setting == 1 || wx->tx_itr_setting == 1) {
                wx->adaptive_itr = true;
        }

        if (wx->rx_itr_setting != 1)
                rx_itr_param = wx->rx_itr_setting;

        if (wx->tx_itr_setting != 1)
                tx_itr_param = wx->tx_itr_setting;

        /* mixed Rx/Tx */
        if (wx->q_vector[0]->tx.count && wx->q_vector[0]->rx.count)
                wx->tx_itr_setting = wx->rx_itr_setting;

        for (i = 0; i < wx->num_q_vectors; i++) {
                q_vector = wx->q_vector[i];
                if (q_vector->tx.count && !q_vector->rx.count)
                        /* tx only */
                        q_vector->itr = tx_itr_param;
                else
                        /* rx only or mixed */
                        q_vector->itr = rx_itr_param;
                wx_write_eitr(q_vector);
        }

        wx_update_rsc(wx);

        return 0;
}
EXPORT_SYMBOL(wx_set_coalesce);

static unsigned int wx_max_channels(struct wx *wx)
{
        unsigned int max_combined;

        if (!wx->msix_q_entries) {
                /* We only support one q_vector without MSI-X */
                max_combined = 1;
        } else {
                /* support up to max allowed queues with RSS */
                if (test_bit(WX_FLAG_MULTI_64_FUNC, wx->flags))
                        max_combined = 63;
                else
                        max_combined = 8;
        }

        return max_combined;
}

void wx_get_channels(struct net_device *dev,
                     struct ethtool_channels *ch)
{
        struct wx *wx = netdev_priv(dev);

        /* report maximum channels */
        ch->max_combined = wx_max_channels(wx);

        /* report info for other vector */
        if (wx->msix_q_entries) {
                ch->max_other = 1;
                ch->other_count = 1;
        }

        /* record RSS queues */
        ch->combined_count = wx->ring_feature[RING_F_RSS].indices;

        if (test_bit(WX_FLAG_FDIR_CAPABLE, wx->flags))
                ch->combined_count = wx->ring_feature[RING_F_FDIR].indices;
}
EXPORT_SYMBOL(wx_get_channels);

int wx_set_channels(struct net_device *dev,
                    struct ethtool_channels *ch)
{
        unsigned int count = ch->combined_count;
        struct wx *wx = netdev_priv(dev);

        /* verify other_count has not changed */
        if (ch->other_count != 1)
                return -EINVAL;

        /* verify the number of channels does not exceed hardware limits */
        if (count > wx_max_channels(wx))
                return -EINVAL;

        if (test_bit(WX_FLAG_FDIR_CAPABLE, wx->flags))
                wx->ring_feature[RING_F_FDIR].limit = count;

        wx->ring_feature[RING_F_RSS].limit = count;

        return 0;
}
EXPORT_SYMBOL(wx_set_channels);

u32 wx_rss_indir_size(struct net_device *netdev)
{
        struct wx *wx = netdev_priv(netdev);

        return wx_rss_indir_tbl_entries(wx);
}
EXPORT_SYMBOL(wx_rss_indir_size);

u32 wx_get_rxfh_key_size(struct net_device *netdev)
{
        return WX_RSS_KEY_SIZE;
}
EXPORT_SYMBOL(wx_get_rxfh_key_size);

static void wx_get_reta(struct wx *wx, u32 *indir)
{
        u32 reta_size = wx_rss_indir_tbl_entries(wx);
        u16 rss_m = wx->ring_feature[RING_F_RSS].mask;

        if (test_bit(WX_FLAG_SRIOV_ENABLED, wx->flags))
                rss_m = wx->ring_feature[RING_F_RSS].indices - 1;

        for (u32 i = 0; i < reta_size; i++)
                indir[i] = wx->rss_indir_tbl[i] & rss_m;
}

int wx_get_rxfh(struct net_device *netdev,
                struct ethtool_rxfh_param *rxfh)
{
        struct wx *wx = netdev_priv(netdev);

        rxfh->hfunc = ETH_RSS_HASH_TOP;

        if (rxfh->indir)
                wx_get_reta(wx, rxfh->indir);

        if (rxfh->key)
                memcpy(rxfh->key, wx->rss_key, WX_RSS_KEY_SIZE);

        return 0;
}
EXPORT_SYMBOL(wx_get_rxfh);

int wx_set_rxfh(struct net_device *netdev,
                struct ethtool_rxfh_param *rxfh,
                struct netlink_ext_ack *extack)
{
        struct wx *wx = netdev_priv(netdev);
        u32 reta_entries, i;

        if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
            rxfh->hfunc != ETH_RSS_HASH_TOP)
                return -EOPNOTSUPP;

        reta_entries = wx_rss_indir_tbl_entries(wx);
        /* Fill out the redirection table */
        if (rxfh->indir) {
                for (i = 0; i < reta_entries; i++)
                        wx->rss_indir_tbl[i] = rxfh->indir[i];

                wx_store_reta(wx);
        }

        /* Fill out the rss hash key */
        if (rxfh->key) {
                memcpy(wx->rss_key, rxfh->key, WX_RSS_KEY_SIZE);
                wx_store_rsskey(wx);
        }

        return 0;
}
EXPORT_SYMBOL(wx_set_rxfh);

static const struct wx_rss_flow_map rss_flow_table[] = {
        { TCP_V4_FLOW, RXH_L4_B_0_1 | RXH_L4_B_2_3, WX_RSS_FIELD_IPV4_TCP },
        { TCP_V6_FLOW, RXH_L4_B_0_1 | RXH_L4_B_2_3, WX_RSS_FIELD_IPV6_TCP },
        { UDP_V4_FLOW, RXH_L4_B_0_1 | RXH_L4_B_2_3, WX_RSS_FIELD_IPV4_UDP },
        { UDP_V6_FLOW, RXH_L4_B_0_1 | RXH_L4_B_2_3, WX_RSS_FIELD_IPV6_UDP },
        { SCTP_V4_FLOW, RXH_L4_B_0_1 | RXH_L4_B_2_3, WX_RSS_FIELD_IPV4_SCTP },
        { SCTP_V6_FLOW, RXH_L4_B_0_1 | RXH_L4_B_2_3, WX_RSS_FIELD_IPV6_SCTP },
};

int wx_get_rxfh_fields(struct net_device *dev,
                       struct ethtool_rxfh_fields *nfc)
{
        struct wx *wx = netdev_priv(dev);

        nfc->data = RXH_IP_SRC | RXH_IP_DST;

        for (u32 i = 0; i < ARRAY_SIZE(rss_flow_table); i++) {
                const struct wx_rss_flow_map *entry = &rss_flow_table[i];

                if (entry->flow_type == nfc->flow_type) {
                        if (wx->rss_flags & entry->flag)
                                nfc->data |= entry->data;
                        break;
                }
        }

        return 0;
}
EXPORT_SYMBOL(wx_get_rxfh_fields);

int wx_set_rxfh_fields(struct net_device *dev,
                       const struct ethtool_rxfh_fields *nfc,
                       struct netlink_ext_ack *extack)
{
        struct wx *wx = netdev_priv(dev);
        u8 flags = wx->rss_flags;

        if (!(nfc->data & RXH_IP_SRC) ||
            !(nfc->data & RXH_IP_DST))
                return -EINVAL;

        for (u32 i = 0; i < ARRAY_SIZE(rss_flow_table); i++) {
                const struct wx_rss_flow_map *entry = &rss_flow_table[i];

                if (entry->flow_type == nfc->flow_type) {
                        if (nfc->data & entry->data)
                                flags |= entry->flag;
                        else
                                flags &= ~entry->flag;

                        if (flags != wx->rss_flags) {
                                wx->rss_flags = flags;
                                wx_config_rss_field(wx);
                        }

                        return 0;
                }
        }

        return -EINVAL;
}
EXPORT_SYMBOL(wx_set_rxfh_fields);

u32 wx_get_msglevel(struct net_device *netdev)
{
        struct wx *wx = netdev_priv(netdev);

        return wx->msg_enable;
}
EXPORT_SYMBOL(wx_get_msglevel);

void wx_set_msglevel(struct net_device *netdev, u32 data)
{
        struct wx *wx = netdev_priv(netdev);

        wx->msg_enable = data;
}
EXPORT_SYMBOL(wx_set_msglevel);

int wx_get_ts_info(struct net_device *dev,
                   struct kernel_ethtool_ts_info *info)
{
        struct wx *wx = netdev_priv(dev);

        info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
                           BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
                           BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
                           BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
                           BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
                           BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
                           BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
                           BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
                           BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
                           BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
                           BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
                           BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);

        info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
                                SOF_TIMESTAMPING_TX_HARDWARE |
                                SOF_TIMESTAMPING_RX_HARDWARE |
                                SOF_TIMESTAMPING_RAW_HARDWARE;

        if (wx->ptp_clock)
                info->phc_index = ptp_clock_index(wx->ptp_clock);
        else
                info->phc_index = -1;

        info->tx_types = BIT(HWTSTAMP_TX_OFF) |
                         BIT(HWTSTAMP_TX_ON);

        return 0;
}
EXPORT_SYMBOL(wx_get_ts_info);

void wx_get_ptp_stats(struct net_device *dev,
                      struct ethtool_ts_stats *ts_stats)
{
        struct wx *wx = netdev_priv(dev);

        if (wx->ptp_clock) {
                ts_stats->pkts = wx->tx_hwtstamp_pkts;
                ts_stats->lost = wx->tx_hwtstamp_timeouts +
                                 wx->tx_hwtstamp_skipped +
                                 wx->rx_hwtstamp_cleared;
                ts_stats->err = wx->tx_hwtstamp_errors;
        }
}
EXPORT_SYMBOL(wx_get_ptp_stats);

static int wx_get_link_ksettings_vf(struct net_device *netdev,
                                    struct ethtool_link_ksettings *cmd)
{
        struct wx *wx = netdev_priv(netdev);

        ethtool_link_ksettings_zero_link_mode(cmd, supported);
        cmd->base.autoneg = AUTONEG_DISABLE;
        cmd->base.port = PORT_NONE;
        cmd->base.duplex = DUPLEX_FULL;
        cmd->base.speed = wx->speed;

        return 0;
}

static const struct ethtool_ops wx_ethtool_ops_vf = {
        .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
                                     ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ |
                                     ETHTOOL_COALESCE_USE_ADAPTIVE,
        .get_drvinfo            = wx_get_drvinfo,
        .get_link               = ethtool_op_get_link,
        .get_ringparam          = wx_get_ringparam,
        .get_msglevel           = wx_get_msglevel,
        .get_coalesce           = wx_get_coalesce,
        .get_ts_info            = ethtool_op_get_ts_info,
        .get_link_ksettings     = wx_get_link_ksettings_vf,
};

void wx_set_ethtool_ops_vf(struct net_device *netdev)
{
        netdev->ethtool_ops = &wx_ethtool_ops_vf;
}
EXPORT_SYMBOL(wx_set_ethtool_ops_vf);