// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2016-2017 Hisilicon Limited.

#include <linux/etherdevice.h>
#include <linux/string.h>
#include <linux/string_choices.h>
#include <linux/phy.h>
#include <linux/sfp.h>

#include "hns3_enet.h"
#include "hns3_ethtool.h"

/* tqp related stats */
#define HNS3_TQP_STAT(_string, _member) {                       \
        .stats_string = _string,                                \
        .stats_offset = offsetof(struct hns3_enet_ring, stats) +\
                        offsetof(struct ring_stats, _member),   \
}

static const struct hns3_stats hns3_txq_stats[] = {
        /* Tx per-queue statistics */
        HNS3_TQP_STAT("dropped", sw_err_cnt),
        HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
        HNS3_TQP_STAT("packets", tx_pkts),
        HNS3_TQP_STAT("bytes", tx_bytes),
        HNS3_TQP_STAT("more", tx_more),
        HNS3_TQP_STAT("push", tx_push),
        HNS3_TQP_STAT("mem_doorbell", tx_mem_doorbell),
        HNS3_TQP_STAT("wake", restart_queue),
        HNS3_TQP_STAT("busy", tx_busy),
        HNS3_TQP_STAT("copy", tx_copy),
        HNS3_TQP_STAT("vlan_err", tx_vlan_err),
        HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err),
        HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err),
        HNS3_TQP_STAT("tso_err", tx_tso_err),
        HNS3_TQP_STAT("over_max_recursion", over_max_recursion),
        HNS3_TQP_STAT("hw_limitation", hw_limitation),
        HNS3_TQP_STAT("bounce", tx_bounce),
        HNS3_TQP_STAT("spare_full", tx_spare_full),
        HNS3_TQP_STAT("copy_bits_err", copy_bits_err),
        HNS3_TQP_STAT("sgl", tx_sgl),
        HNS3_TQP_STAT("skb2sgl_err", skb2sgl_err),
        HNS3_TQP_STAT("map_sg_err", map_sg_err),
};

#define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)

static const struct hns3_stats hns3_rxq_stats[] = {
        /* Rx per-queue statistics */
        HNS3_TQP_STAT("dropped", sw_err_cnt),
        HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
        HNS3_TQP_STAT("packets", rx_pkts),
        HNS3_TQP_STAT("bytes", rx_bytes),
        HNS3_TQP_STAT("errors", rx_err_cnt),
        HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt),
        HNS3_TQP_STAT("err_pkt_len", err_pkt_len),
        HNS3_TQP_STAT("err_bd_num", err_bd_num),
        HNS3_TQP_STAT("l2_err", l2_err),
        HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err),
        HNS3_TQP_STAT("csum_complete", csum_complete),
        HNS3_TQP_STAT("multicast", rx_multicast),
        HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg),
        HNS3_TQP_STAT("frag_alloc_err", frag_alloc_err),
        HNS3_TQP_STAT("frag_alloc", frag_alloc),
};

#define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags)

#define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)

#define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)

#define HNS3_NIC_LB_TEST_PKT_NUM        1
#define HNS3_NIC_LB_TEST_RING_ID        0
#define HNS3_NIC_LB_TEST_PACKET_SIZE    128
#define HNS3_NIC_LB_SETUP_USEC          10000

/* Nic loopback test err  */
#define HNS3_NIC_LB_TEST_NO_MEM_ERR     1
#define HNS3_NIC_LB_TEST_TX_CNT_ERR     2
#define HNS3_NIC_LB_TEST_RX_CNT_ERR     3
#define HNS3_NIC_LB_TEST_UNEXECUTED     4

static int hns3_get_sset_count(struct net_device *netdev, int stringset);

static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
{
        struct hnae3_handle *h = hns3_get_handle(ndev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h);
        int ret;

        if (!h->ae_algo->ops->set_loopback ||
            !h->ae_algo->ops->set_promisc_mode)
                return -EOPNOTSUPP;

        switch (loop) {
        case HNAE3_LOOP_SERIAL_SERDES:
        case HNAE3_LOOP_PARALLEL_SERDES:
        case HNAE3_LOOP_APP:
        case HNAE3_LOOP_PHY:
        case HNAE3_LOOP_EXTERNAL:
                ret = h->ae_algo->ops->set_loopback(h, loop, en);
                break;
        default:
                ret = -ENOTSUPP;
                break;
        }

        if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2)
                return ret;

        if (en)
                h->ae_algo->ops->set_promisc_mode(h, true, true);
        else
                /* recover promisc mode before loopback test */
                hns3_request_update_promisc_mode(h);

        return ret;
}

static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
{
        struct hnae3_handle *h = hns3_get_handle(ndev);
        int ret;

        ret = hns3_nic_reset_all_ring(h);
        if (ret)
                return ret;

        ret = hns3_lp_setup(ndev, loop_mode, true);
        usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);

        return ret;
}

static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
{
        int ret;

        ret = hns3_lp_setup(ndev, loop_mode, false);
        if (ret) {
                netdev_err(ndev, "lb_setup return error: %d\n", ret);
                return ret;
        }

        usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);

        return 0;
}

static void hns3_lp_setup_skb(struct sk_buff *skb)
{
#define HNS3_NIC_LB_DST_MAC_ADDR        0x1f

        struct net_device *ndev = skb->dev;
        struct hnae3_handle *handle;
        struct hnae3_ae_dev *ae_dev;
        unsigned char *packet;
        struct ethhdr *ethh;
        unsigned int i;

        skb_reserve(skb, NET_IP_ALIGN);
        ethh = skb_put(skb, sizeof(struct ethhdr));
        packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);

        memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);

        /* The dst mac addr of loopback packet is the same as the host'
         * mac addr, the SSU component may loop back the packet to host
         * before the packet reaches mac or serdes, which will defect
         * the purpose of mac or serdes selftest.
         */
        handle = hns3_get_handle(ndev);
        ae_dev = hns3_get_ae_dev(handle);
        if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
                ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR;
        eth_zero_addr(ethh->h_source);
        ethh->h_proto = htons(ETH_P_ARP);
        skb_reset_mac_header(skb);

        for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
                packet[i] = (unsigned char)(i & 0xff);
}

static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
                                   struct sk_buff *skb)
{
        struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
        unsigned char *packet = skb->data;
        u32 len = skb_headlen(skb);
        u32 i;

        len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);

        for (i = 0; i < len; i++)
                if (packet[i] != (unsigned char)(i & 0xff))
                        break;

        /* The packet is correctly received */
        if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
                tqp_vector->rx_group.total_packets++;
        else
                print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
                               skb->data, len, true);

        dev_kfree_skb_any(skb);
}

static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
{
        struct hnae3_handle *h = priv->ae_handle;
        struct hnae3_knic_private_info *kinfo;
        u32 i, rcv_good_pkt_total = 0;

        kinfo = &h->kinfo;
        for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
                struct hns3_enet_ring *ring = &priv->ring[i];
                struct hns3_enet_ring_group *rx_group;
                u64 pre_rx_pkt;

                rx_group = &ring->tqp_vector->rx_group;
                pre_rx_pkt = rx_group->total_packets;

                preempt_disable();
                hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
                preempt_enable();

                rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
                rx_group->total_packets = pre_rx_pkt;
        }
        return rcv_good_pkt_total;
}

static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
                                  u32 end_ringid)
{
        u32 i;

        for (i = start_ringid; i <= end_ringid; i++) {
                struct hns3_enet_ring *ring = &priv->ring[i];

                hns3_clean_tx_ring(ring, 0);
        }
}

/**
 * hns3_lp_run_test - run loopback test
 * @ndev: net device
 * @mode: loopback type
 *
 * Return: %0 for success or a NIC loopback test error code on failure
 */
static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
{
        struct hns3_nic_priv *priv = netdev_priv(ndev);
        struct sk_buff *skb;
        u32 i, good_cnt;
        int ret_val = 0;

        skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
                        GFP_KERNEL);
        if (!skb)
                return HNS3_NIC_LB_TEST_NO_MEM_ERR;

        skb->dev = ndev;
        hns3_lp_setup_skb(skb);
        skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;

        good_cnt = 0;
        for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
                netdev_tx_t tx_ret;

                skb_get(skb);
                tx_ret = hns3_nic_net_xmit(skb, ndev);
                if (tx_ret == NETDEV_TX_OK) {
                        good_cnt++;
                } else {
                        kfree_skb(skb);
                        netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
                                   tx_ret);
                }
        }
        if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
                ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
                netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
                           mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
                goto out;
        }

        /* Allow 200 milliseconds for packets to go from Tx to Rx */
        msleep(200);

        good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
        if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
                ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
                netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
                           mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
        }

out:
        hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
                              HNS3_NIC_LB_TEST_RING_ID);

        kfree_skb(skb);
        return ret_val;
}

static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2])
{
        st_param[HNAE3_LOOP_EXTERNAL][0] = HNAE3_LOOP_EXTERNAL;
        st_param[HNAE3_LOOP_EXTERNAL][1] =
                        h->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK;

        st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
        st_param[HNAE3_LOOP_APP][1] =
                        h->flags & HNAE3_SUPPORT_APP_LOOPBACK;

        st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES;
        st_param[HNAE3_LOOP_SERIAL_SERDES][1] =
                        h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;

        st_param[HNAE3_LOOP_PARALLEL_SERDES][0] =
                        HNAE3_LOOP_PARALLEL_SERDES;
        st_param[HNAE3_LOOP_PARALLEL_SERDES][1] =
                        h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;

        st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY;
        st_param[HNAE3_LOOP_PHY][1] =
                        h->flags & HNAE3_SUPPORT_PHY_LOOPBACK;
}

static void hns3_selftest_prepare(struct net_device *ndev, bool if_running)
{
        struct hns3_nic_priv *priv = netdev_priv(ndev);
        struct hnae3_handle *h = priv->ae_handle;

        if (if_running)
                ndev->netdev_ops->ndo_stop(ndev);

#if IS_ENABLED(CONFIG_VLAN_8021Q)
        /* Disable the vlan filter for selftest does not support it */
        if (h->ae_algo->ops->enable_vlan_filter &&
            ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
                h->ae_algo->ops->enable_vlan_filter(h, false);
#endif

        /* Tell firmware to stop mac autoneg before loopback test start,
         * otherwise loopback test may be failed when the port is still
         * negotiating.
         */
        if (h->ae_algo->ops->halt_autoneg)
                h->ae_algo->ops->halt_autoneg(h, true);

        set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
}

static void hns3_selftest_restore(struct net_device *ndev, bool if_running)
{
        struct hns3_nic_priv *priv = netdev_priv(ndev);
        struct hnae3_handle *h = priv->ae_handle;

        clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);

        if (h->ae_algo->ops->halt_autoneg)
                h->ae_algo->ops->halt_autoneg(h, false);

#if IS_ENABLED(CONFIG_VLAN_8021Q)
        if (h->ae_algo->ops->enable_vlan_filter &&
            ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
                h->ae_algo->ops->enable_vlan_filter(h, true);
#endif

        if (if_running)
                ndev->netdev_ops->ndo_open(ndev);
}

static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2],
                             struct ethtool_test *eth_test, u64 *data)
{
        int test_index = HNAE3_LOOP_APP;
        u32 i;

        for (i = HNAE3_LOOP_APP; i < HNAE3_LOOP_NONE; i++) {
                enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];

                if (!st_param[i][1])
                        continue;

                data[test_index] = hns3_lp_up(ndev, loop_type);
                if (!data[test_index])
                        data[test_index] = hns3_lp_run_test(ndev, loop_type);

                hns3_lp_down(ndev, loop_type);

                if (data[test_index])
                        eth_test->flags |= ETH_TEST_FL_FAILED;

                test_index++;
        }
}

static void hns3_do_external_lb(struct net_device *ndev,
                                struct ethtool_test *eth_test, u64 *data)
{
        data[HNAE3_LOOP_EXTERNAL] = hns3_lp_up(ndev, HNAE3_LOOP_EXTERNAL);
        if (!data[HNAE3_LOOP_EXTERNAL])
                data[HNAE3_LOOP_EXTERNAL] = hns3_lp_run_test(ndev, HNAE3_LOOP_EXTERNAL);
        hns3_lp_down(ndev, HNAE3_LOOP_EXTERNAL);

        if (data[HNAE3_LOOP_EXTERNAL])
                eth_test->flags |= ETH_TEST_FL_FAILED;

        eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
}

/**
 * hns3_self_test - self test
 * @ndev: net device
 * @eth_test: test cmd
 * @data: test result
 */
static void hns3_self_test(struct net_device *ndev,
                           struct ethtool_test *eth_test, u64 *data)
{
        int cnt = hns3_get_sset_count(ndev, ETH_SS_TEST);
        struct hns3_nic_priv *priv = netdev_priv(ndev);
        struct hnae3_handle *h = priv->ae_handle;
        int st_param[HNAE3_LOOP_NONE][2];
        bool if_running = netif_running(ndev);
        int i;

        /* initialize the loopback test result, avoid marking an unexcuted
         * loopback test as PASS.
         */
        for (i = 0; i < cnt; i++)
                data[i] = HNS3_NIC_LB_TEST_UNEXECUTED;

        if (hns3_nic_resetting(ndev)) {
                netdev_err(ndev, "dev resetting!\n");
                goto failure;
        }

        if (!(eth_test->flags & ETH_TEST_FL_OFFLINE))
                goto failure;

        if (netif_msg_ifdown(h))
                netdev_info(ndev, "self test start\n");

        hns3_set_selftest_param(h, st_param);

        /* external loopback test requires that the link is up and the duplex is
         * full, do external test first to reduce the whole test time
         */
        if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) {
                hns3_external_lb_prepare(ndev, if_running);
                hns3_do_external_lb(ndev, eth_test, data);
                hns3_external_lb_restore(ndev, if_running);
        }

        hns3_selftest_prepare(ndev, if_running);
        hns3_do_selftest(ndev, st_param, eth_test, data);
        hns3_selftest_restore(ndev, if_running);

        if (netif_msg_ifdown(h))
                netdev_info(ndev, "self test end\n");
        return;

failure:
        eth_test->flags |= ETH_TEST_FL_FAILED;
}

static void hns3_update_limit_promisc_mode(struct net_device *netdev,
                                           bool enable)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);

        if (enable)
                set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
        else
                clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);

        hns3_request_update_promisc_mode(handle);
}

static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = {
        { "limit_promisc",      hns3_update_limit_promisc_mode }
};

static int hns3_get_sset_count(struct net_device *netdev, int stringset)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);
        const struct hnae3_ae_ops *ops = hns3_get_ops(h);

        if (!ops->get_sset_count)
                return -EOPNOTSUPP;

        switch (stringset) {
        case ETH_SS_STATS:
                return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
                        ops->get_sset_count(h, stringset));

        case ETH_SS_TEST:
                return ops->get_sset_count(h, stringset);

        case ETH_SS_PRIV_FLAGS:
                return HNAE3_PFLAG_MAX;

        default:
                return -EOPNOTSUPP;
        }
}

static void hns3_update_strings(u8 **data, const struct hns3_stats *stats,
                                u32 stat_count, u32 num_tqps,
                                const char *prefix)
{
        u32 i, j;

        for (i = 0; i < num_tqps; i++)
                for (j = 0; j < stat_count; j++)
                        ethtool_sprintf(data, "%s%u_%s", prefix, i,
                                        stats[j].stats_string);
}

static void hns3_get_strings_tqps(struct hnae3_handle *handle, u8 **data)
{
        struct hnae3_knic_private_info *kinfo = &handle->kinfo;
        const char tx_prefix[] = "txq";
        const char rx_prefix[] = "rxq";

        /* get strings for Tx */
        hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
                            kinfo->num_tqps, tx_prefix);

        /* get strings for Rx */
        hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
                            kinfo->num_tqps, rx_prefix);
}

static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);
        const struct hnae3_ae_ops *ops = hns3_get_ops(h);
        u32 i;

        if (!ops->get_strings)
                return;

        switch (stringset) {
        case ETH_SS_STATS:
                hns3_get_strings_tqps(h, &data);
                ops->get_strings(h, stringset, &data);
                break;
        case ETH_SS_TEST:
                ops->get_strings(h, stringset, &data);
                break;
        case ETH_SS_PRIV_FLAGS:
                for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++)
                        ethtool_puts(&data, hns3_priv_flags[i].name);
                break;
        default:
                break;
        }
}

static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
{
        struct hnae3_knic_private_info *kinfo = &handle->kinfo;
        struct hns3_nic_priv *nic_priv = handle->priv;
        struct hns3_enet_ring *ring;
        u8 *stat;
        u32 i, j;

        /* get stats for Tx */
        for (i = 0; i < kinfo->num_tqps; i++) {
                ring = &nic_priv->ring[i];
                for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
                        stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
                        *data++ = *(u64 *)stat;
                }
        }

        /* get stats for Rx */
        for (i = 0; i < kinfo->num_tqps; i++) {
                ring = &nic_priv->ring[i + kinfo->num_tqps];
                for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
                        stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
                        *data++ = *(u64 *)stat;
                }
        }

        return data;
}

/* hns3_get_stats - get detail statistics.
 * @netdev: net device
 * @stats: statistics info.
 * @data: statistics data.
 */
static void hns3_get_stats(struct net_device *netdev,
                           struct ethtool_stats *stats, u64 *data)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);
        u64 *p = data;

        if (hns3_nic_resetting(netdev)) {
                netdev_err(netdev, "dev resetting, could not get stats\n");
                return;
        }

        if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
                netdev_err(netdev, "could not get any statistics\n");
                return;
        }

        h->ae_algo->ops->update_stats(h);

        /* get per-queue stats */
        p = hns3_get_stats_tqps(h, p);

        /* get MAC & other misc hardware stats */
        h->ae_algo->ops->get_stats(h, p);
}

static void hns3_get_drvinfo(struct net_device *netdev,
                             struct ethtool_drvinfo *drvinfo)
{
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        struct hnae3_handle *h = priv->ae_handle;
        u32 fw_version;

        if (!h->ae_algo->ops->get_fw_version) {
                netdev_err(netdev, "could not get fw version!\n");
                return;
        }

        strscpy(drvinfo->driver, dev_driver_string(&h->pdev->dev),
                sizeof(drvinfo->driver));

        strscpy(drvinfo->bus_info, pci_name(h->pdev),
                sizeof(drvinfo->bus_info));

        fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h);

        snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
                 "%lu.%lu.%lu.%lu",
                 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
                                 HNAE3_FW_VERSION_BYTE3_SHIFT),
                 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
                                 HNAE3_FW_VERSION_BYTE2_SHIFT),
                 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
                                 HNAE3_FW_VERSION_BYTE1_SHIFT),
                 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
                                 HNAE3_FW_VERSION_BYTE0_SHIFT));
}

static u32 hns3_get_link(struct net_device *netdev)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (h->ae_algo->ops->get_status)
                return h->ae_algo->ops->get_status(h);
        else
                return 0;
}

static void hns3_get_ringparam(struct net_device *netdev,
                               struct ethtool_ringparam *param,
                               struct kernel_ethtool_ringparam *kernel_param,
                               struct netlink_ext_ack *extack)
{
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        struct hnae3_handle *h = priv->ae_handle;
        int rx_queue_index = h->kinfo.num_tqps;

        if (hns3_nic_resetting(netdev) || !priv->ring) {
                netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n");
                return;
        }

        param->tx_max_pending = HNS3_RING_MAX_PENDING;
        param->rx_max_pending = HNS3_RING_MAX_PENDING;

        param->tx_pending = priv->ring[0].desc_num;
        param->rx_pending = priv->ring[rx_queue_index].desc_num;
        kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size;
        kernel_param->tx_push = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE,
                                         &priv->state);
}

static void hns3_get_pauseparam(struct net_device *netdev,
                                struct ethtool_pauseparam *param)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h);

        if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
                return;

        if (h->ae_algo->ops->get_pauseparam)
                h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
                        &param->rx_pause, &param->tx_pause);
}

static int hns3_set_pauseparam(struct net_device *netdev,
                               struct ethtool_pauseparam *param)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h);

        if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
                return -EOPNOTSUPP;

        netif_dbg(h, drv, netdev,
                  "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
                  param->autoneg, param->rx_pause, param->tx_pause);

        if (h->ae_algo->ops->set_pauseparam)
                return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
                                                       param->rx_pause,
                                                       param->tx_pause);
        return -EOPNOTSUPP;
}

static void hns3_get_ksettings(struct hnae3_handle *h,
                               struct ethtool_link_ksettings *cmd)
{
        const struct hnae3_ae_ops *ops = hns3_get_ops(h);

        /* 1.auto_neg & speed & duplex from cmd */
        if (ops->get_ksettings_an_result)
                ops->get_ksettings_an_result(h,
                                             &cmd->base.autoneg,
                                             &cmd->base.speed,
                                             &cmd->base.duplex,
                                             &cmd->lanes);

        /* 2.get link mode */
        if (ops->get_link_mode)
                ops->get_link_mode(h,
                                   cmd->link_modes.supported,
                                   cmd->link_modes.advertising);

        /* 3.mdix_ctrl&mdix get from phy reg */
        if (ops->get_mdix_mode)
                ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
                                   &cmd->base.eth_tp_mdix);
}

static int hns3_get_link_ksettings(struct net_device *netdev,
                                   struct ethtool_link_ksettings *cmd)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h);
        const struct hnae3_ae_ops *ops;
        u8 module_type;
        u8 media_type;
        u8 link_stat;

        ops = h->ae_algo->ops;
        if (ops->get_media_type)
                ops->get_media_type(h, &media_type, &module_type);
        else
                return -EOPNOTSUPP;

        switch (media_type) {
        case HNAE3_MEDIA_TYPE_NONE:
                cmd->base.port = PORT_NONE;
                hns3_get_ksettings(h, cmd);
                break;
        case HNAE3_MEDIA_TYPE_FIBER:
                if (module_type == HNAE3_MODULE_TYPE_UNKNOWN)
                        cmd->base.port = PORT_OTHER;
                else if (module_type == HNAE3_MODULE_TYPE_CR)
                        cmd->base.port = PORT_DA;
                else
                        cmd->base.port = PORT_FIBRE;

                hns3_get_ksettings(h, cmd);
                break;
        case HNAE3_MEDIA_TYPE_BACKPLANE:
                cmd->base.port = PORT_NONE;
                hns3_get_ksettings(h, cmd);
                break;
        case HNAE3_MEDIA_TYPE_COPPER:
                cmd->base.port = PORT_TP;
                if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
                    ops->get_phy_link_ksettings)
                        ops->get_phy_link_ksettings(h, cmd);
                else if (!netdev->phydev)
                        hns3_get_ksettings(h, cmd);
                else
                        phy_ethtool_ksettings_get(netdev->phydev, cmd);
                break;
        default:

                netdev_warn(netdev, "Unknown media type\n");
                return 0;
        }

        /* mdio_support */
        cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;

        link_stat = hns3_get_link(netdev);
        if (!link_stat) {
                cmd->base.speed = SPEED_UNKNOWN;
                cmd->base.duplex = DUPLEX_UNKNOWN;
        }

        return 0;
}

static int hns3_check_ksettings_param(const struct net_device *netdev,
                                      const struct ethtool_link_ksettings *cmd)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);
        u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
        u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
        u32 lane_num;
        u8 autoneg;
        u32 speed;
        u8 duplex;
        int ret;

        /* hw doesn't support use specified speed and duplex to negotiate,
         * unnecessary to check them when autoneg on.
         */
        if (cmd->base.autoneg)
                return 0;

        if (ops->get_ksettings_an_result) {
                ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex, &lane_num);
                if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
                    cmd->base.duplex == duplex && cmd->lanes == lane_num)
                        return 0;
        }

        if (ops->get_media_type)
                ops->get_media_type(handle, &media_type, &module_type);

        if (cmd->base.duplex == DUPLEX_HALF &&
            media_type != HNAE3_MEDIA_TYPE_COPPER) {
                netdev_err(netdev,
                           "only copper port supports half duplex!\n");
                return -EINVAL;
        }

        if (ops->check_port_speed) {
                ret = ops->check_port_speed(handle, cmd->base.speed);
                if (ret) {
                        netdev_err(netdev, "unsupported speed\n");
                        return ret;
                }
        }

        return 0;
}

static int hns3_set_link_ksettings(struct net_device *netdev,
                                   const struct ethtool_link_ksettings *cmd)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);
        int ret;

        /* Chip don't support this mode. */
        if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
                return -EINVAL;

        if (cmd->lanes && !hnae3_ae_dev_lane_num_supported(ae_dev))
                return -EOPNOTSUPP;

        netif_dbg(handle, drv, netdev,
                  "set link(%s): autoneg=%u, speed=%u, duplex=%u, lanes=%u\n",
                  netdev->phydev ? "phy" : "mac",
                  cmd->base.autoneg, cmd->base.speed, cmd->base.duplex,
                  cmd->lanes);

        /* Only support ksettings_set for netdev with phy attached for now */
        if (netdev->phydev) {
                if (cmd->base.speed == SPEED_1000 &&
                    cmd->base.autoneg == AUTONEG_DISABLE)
                        return -EINVAL;

                return phy_ethtool_ksettings_set(netdev->phydev, cmd);
        } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
                   ops->set_phy_link_ksettings) {
                return ops->set_phy_link_ksettings(handle, cmd);
        }

        if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
                return -EOPNOTSUPP;

        ret = hns3_check_ksettings_param(netdev, cmd);
        if (ret)
                return ret;

        if (ops->set_autoneg) {
                ret = ops->set_autoneg(handle, cmd->base.autoneg);
                if (ret)
                        return ret;
        }

        /* hw doesn't support use specified speed and duplex to negotiate,
         * ignore them when autoneg on.
         */
        if (cmd->base.autoneg) {
                netdev_info(netdev,
                            "autoneg is on, ignore the speed and duplex\n");
                return 0;
        }

        if (ops->cfg_mac_speed_dup_h)
                ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
                                               cmd->base.duplex, (u8)(cmd->lanes));

        return ret;
}

static u32 hns3_get_rss_key_size(struct net_device *netdev)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (!h->ae_algo->ops->get_rss_key_size)
                return 0;

        return h->ae_algo->ops->get_rss_key_size(h);
}

static u32 hns3_get_rss_indir_size(struct net_device *netdev)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h);

        return ae_dev->dev_specs.rss_ind_tbl_size;
}

static int hns3_get_rss(struct net_device *netdev,
                        struct ethtool_rxfh_param *rxfh)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (!h->ae_algo->ops->get_rss)
                return -EOPNOTSUPP;

        return h->ae_algo->ops->get_rss(h, rxfh->indir, rxfh->key,
                                        &rxfh->hfunc);
}

static int hns3_set_rss(struct net_device *netdev,
                        struct ethtool_rxfh_param *rxfh,
                        struct netlink_ext_ack *extack)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h);

        if (!h->ae_algo->ops->set_rss)
                return -EOPNOTSUPP;

        if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
             rxfh->hfunc != ETH_RSS_HASH_TOP) ||
            (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
             rxfh->hfunc != ETH_RSS_HASH_TOP &&
             rxfh->hfunc != ETH_RSS_HASH_XOR)) {
                netdev_err(netdev, "hash func not supported\n");
                return -EOPNOTSUPP;
        }

        if (!rxfh->indir) {
                netdev_err(netdev,
                           "set rss failed for indir is empty\n");
                return -EOPNOTSUPP;
        }

        return h->ae_algo->ops->set_rss(h, rxfh->indir, rxfh->key,
                                        rxfh->hfunc);
}

static int hns3_get_rxfh_fields(struct net_device *netdev,
                                struct ethtool_rxfh_fields *cmd)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (h->ae_algo->ops->get_rss_tuple)
                return h->ae_algo->ops->get_rss_tuple(h, cmd);
        return -EOPNOTSUPP;
}

static u32 hns3_get_rx_ring_count(struct net_device *netdev)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        return h->kinfo.num_tqps;
}

static int hns3_get_rxnfc(struct net_device *netdev,
                          struct ethtool_rxnfc *cmd,
                          u32 *rule_locs)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        switch (cmd->cmd) {
        case ETHTOOL_GRXCLSRLCNT:
                if (h->ae_algo->ops->get_fd_rule_cnt)
                        return h->ae_algo->ops->get_fd_rule_cnt(h, cmd);
                return -EOPNOTSUPP;
        case ETHTOOL_GRXCLSRULE:
                if (h->ae_algo->ops->get_fd_rule_info)
                        return h->ae_algo->ops->get_fd_rule_info(h, cmd);
                return -EOPNOTSUPP;
        case ETHTOOL_GRXCLSRLALL:
                if (h->ae_algo->ops->get_fd_all_rules)
                        return h->ae_algo->ops->get_fd_all_rules(h, cmd,
                                                                 rule_locs);
                return -EOPNOTSUPP;
        default:
                return -EOPNOTSUPP;
        }
}

static const struct hns3_reset_type_map hns3_reset_type[] = {
        {ETH_RESET_MGMT, HNAE3_IMP_RESET},
        {ETH_RESET_ALL, HNAE3_GLOBAL_RESET},
        {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET},
};

static const struct hns3_reset_type_map hns3vf_reset_type[] = {
        {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET},
};

static int hns3_set_reset(struct net_device *netdev, u32 *flags)
{
        enum hnae3_reset_type rst_type = HNAE3_NONE_RESET;
        struct hnae3_handle *h = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h);
        const struct hnae3_ae_ops *ops = hns3_get_ops(h);
        const struct hns3_reset_type_map *rst_type_map;
        enum ethtool_reset_flags rst_flags;
        u32 i, size;

        if (ops->ae_dev_resetting && ops->ae_dev_resetting(h))
                return -EBUSY;

        if (!ops->set_default_reset_request || !ops->reset_event)
                return -EOPNOTSUPP;

        if (h->flags & HNAE3_SUPPORT_VF) {
                rst_type_map = hns3vf_reset_type;
                size = ARRAY_SIZE(hns3vf_reset_type);
        } else {
                rst_type_map = hns3_reset_type;
                size = ARRAY_SIZE(hns3_reset_type);
        }

        for (i = 0; i < size; i++) {
                if (rst_type_map[i].rst_flags == *flags) {
                        rst_type = rst_type_map[i].rst_type;
                        rst_flags = rst_type_map[i].rst_flags;
                        break;
                }
        }

        if (rst_type == HNAE3_NONE_RESET ||
            (rst_type == HNAE3_IMP_RESET &&
             ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2))
                return -EOPNOTSUPP;

        netdev_info(netdev, "Setting reset type %d\n", rst_type);

        ops->set_default_reset_request(ae_dev, rst_type);

        ops->reset_event(h->pdev, h);

        *flags &= ~rst_flags;

        return 0;
}

static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
                                        u32 tx_desc_num, u32 rx_desc_num)
{
        struct hnae3_handle *h = priv->ae_handle;
        int i;

        h->kinfo.num_tx_desc = tx_desc_num;
        h->kinfo.num_rx_desc = rx_desc_num;

        for (i = 0; i < h->kinfo.num_tqps; i++) {
                priv->ring[i].desc_num = tx_desc_num;
                priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
        }
}

static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
{
        struct hnae3_handle *handle = priv->ae_handle;
        struct hns3_enet_ring *tmp_rings;
        int i;

        tmp_rings = kzalloc_objs(struct hns3_enet_ring,
                                 handle->kinfo.num_tqps * 2);
        if (!tmp_rings)
                return NULL;

        for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
                memcpy(&tmp_rings[i], &priv->ring[i],
                       sizeof(struct hns3_enet_ring));
                tmp_rings[i].skb = NULL;
        }

        return tmp_rings;
}

static int hns3_check_ringparam(struct net_device *ndev,
                                struct ethtool_ringparam *param,
                                struct kernel_ethtool_ringparam *kernel_param)
{
#define RX_BUF_LEN_2K 2048
#define RX_BUF_LEN_4K 4096

        struct hns3_nic_priv *priv = netdev_priv(ndev);

        if (hns3_nic_resetting(ndev) || !priv->ring) {
                netdev_err(ndev, "failed to set ringparam value, due to dev resetting or uninited\n");
                return -EBUSY;
        }


        if (param->rx_mini_pending || param->rx_jumbo_pending)
                return -EINVAL;

        if (kernel_param->rx_buf_len != RX_BUF_LEN_2K &&
            kernel_param->rx_buf_len != RX_BUF_LEN_4K) {
                netdev_err(ndev, "Rx buf len only support 2048 and 4096\n");
                return -EINVAL;
        }

        if (param->tx_pending > HNS3_RING_MAX_PENDING ||
            param->tx_pending < HNS3_RING_MIN_PENDING ||
            param->rx_pending > HNS3_RING_MAX_PENDING ||
            param->rx_pending < HNS3_RING_MIN_PENDING) {
                netdev_err(ndev, "Queue depth out of range [%d-%d]\n",
                           HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING);
                return -EINVAL;
        }

        return 0;
}

static bool
hns3_is_ringparam_changed(struct net_device *ndev,
                          struct ethtool_ringparam *param,
                          struct kernel_ethtool_ringparam *kernel_param,
                          struct hns3_ring_param *old_ringparam,
                          struct hns3_ring_param *new_ringparam)
{
        struct hns3_nic_priv *priv = netdev_priv(ndev);
        struct hnae3_handle *h = priv->ae_handle;
        u16 queue_num = h->kinfo.num_tqps;

        new_ringparam->tx_desc_num = ALIGN(param->tx_pending,
                                           HNS3_RING_BD_MULTIPLE);
        new_ringparam->rx_desc_num = ALIGN(param->rx_pending,
                                           HNS3_RING_BD_MULTIPLE);
        old_ringparam->tx_desc_num = priv->ring[0].desc_num;
        old_ringparam->rx_desc_num = priv->ring[queue_num].desc_num;
        old_ringparam->rx_buf_len = priv->ring[queue_num].buf_size;
        new_ringparam->rx_buf_len = kernel_param->rx_buf_len;

        if (old_ringparam->tx_desc_num == new_ringparam->tx_desc_num &&
            old_ringparam->rx_desc_num == new_ringparam->rx_desc_num &&
            old_ringparam->rx_buf_len == new_ringparam->rx_buf_len) {
                netdev_info(ndev, "descriptor number and rx buffer length not changed\n");
                return false;
        }

        return true;
}

static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len)
{
        struct hns3_nic_priv *priv = netdev_priv(ndev);
        struct hnae3_handle *h = priv->ae_handle;
        int i;

        h->kinfo.rx_buf_len = rx_buf_len;

        for (i = 0; i < h->kinfo.num_tqps; i++) {
                h->kinfo.tqp[i]->buf_size = rx_buf_len;
                priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len;
        }

        return 0;
}

static int hns3_set_tx_push(struct net_device *netdev, u32 tx_push)
{
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        struct hnae3_handle *h = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(h);
        u32 old_state = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);

        if (!test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps) && tx_push)
                return -EOPNOTSUPP;

        if (tx_push == old_state)
                return 0;

        netdev_dbg(netdev, "Changing tx push from %s to %s\n",
                   str_on_off(old_state), str_on_off(tx_push));

        if (tx_push)
                set_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
        else
                clear_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);

        return 0;
}

static int hns3_set_ringparam(struct net_device *ndev,
                              struct ethtool_ringparam *param,
                              struct kernel_ethtool_ringparam *kernel_param,
                              struct netlink_ext_ack *extack)
{
        struct hns3_ring_param old_ringparam, new_ringparam;
        struct hns3_nic_priv *priv = netdev_priv(ndev);
        struct hnae3_handle *h = priv->ae_handle;
        struct hns3_enet_ring *tmp_rings;
        bool if_running = netif_running(ndev);
        int ret, i;

        ret = hns3_check_ringparam(ndev, param, kernel_param);
        if (ret)
                return ret;

        ret = hns3_set_tx_push(ndev, kernel_param->tx_push);
        if (ret)
                return ret;

        if (!hns3_is_ringparam_changed(ndev, param, kernel_param,
                                       &old_ringparam, &new_ringparam))
                return 0;

        tmp_rings = hns3_backup_ringparam(priv);
        if (!tmp_rings) {
                netdev_err(ndev, "backup ring param failed by allocating memory fail\n");
                return -ENOMEM;
        }

        netdev_info(ndev,
                    "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %u to %u\n",
                    old_ringparam.tx_desc_num, old_ringparam.rx_desc_num,
                    new_ringparam.tx_desc_num, new_ringparam.rx_desc_num,
                    old_ringparam.rx_buf_len, new_ringparam.rx_buf_len);

        if (if_running)
                ndev->netdev_ops->ndo_stop(ndev);

        hns3_change_all_ring_bd_num(priv, new_ringparam.tx_desc_num,
                                    new_ringparam.rx_desc_num);
        hns3_change_rx_buf_len(ndev, new_ringparam.rx_buf_len);
        ret = hns3_init_all_ring(priv);
        if (ret) {
                netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n",
                           ret);

                hns3_change_rx_buf_len(ndev, old_ringparam.rx_buf_len);
                hns3_change_all_ring_bd_num(priv, old_ringparam.tx_desc_num,
                                            old_ringparam.rx_desc_num);
                for (i = 0; i < h->kinfo.num_tqps * 2; i++)
                        memcpy(&priv->ring[i], &tmp_rings[i],
                               sizeof(struct hns3_enet_ring));
        } else {
                for (i = 0; i < h->kinfo.num_tqps * 2; i++)
                        hns3_fini_ring(&tmp_rings[i]);
        }

        kfree(tmp_rings);

        if (if_running)
                ret = ndev->netdev_ops->ndo_open(ndev);

        return ret;
}

static int hns3_set_rxfh_fields(struct net_device *netdev,
                                const struct ethtool_rxfh_fields *cmd,
                                struct netlink_ext_ack *extack)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (h->ae_algo->ops->set_rss_tuple)
                return h->ae_algo->ops->set_rss_tuple(h, cmd);
        return -EOPNOTSUPP;
}

static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        switch (cmd->cmd) {
        case ETHTOOL_SRXCLSRLINS:
                if (h->ae_algo->ops->add_fd_entry)
                        return h->ae_algo->ops->add_fd_entry(h, cmd);
                return -EOPNOTSUPP;
        case ETHTOOL_SRXCLSRLDEL:
                if (h->ae_algo->ops->del_fd_entry)
                        return h->ae_algo->ops->del_fd_entry(h, cmd);
                return -EOPNOTSUPP;
        default:
                return -EOPNOTSUPP;
        }
}

static int hns3_nway_reset(struct net_device *netdev)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);
        struct phy_device *phy = netdev->phydev;
        int autoneg;

        if (!netif_running(netdev))
                return 0;

        if (hns3_nic_resetting(netdev)) {
                netdev_err(netdev, "dev resetting!\n");
                return -EBUSY;
        }

        if (!ops->get_autoneg || !ops->restart_autoneg)
                return -EOPNOTSUPP;

        autoneg = ops->get_autoneg(handle);
        if (autoneg != AUTONEG_ENABLE) {
                netdev_err(netdev,
                           "Autoneg is off, don't support to restart it\n");
                return -EINVAL;
        }

        netif_dbg(handle, drv, netdev,
                  "nway reset (using %s)\n", phy ? "phy" : "mac");

        if (phy)
                return genphy_restart_aneg(phy);

        return ops->restart_autoneg(handle);
}

static void hns3_get_channels(struct net_device *netdev,
                              struct ethtool_channels *ch)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (h->ae_algo->ops->get_channels)
                h->ae_algo->ops->get_channels(h, ch);
}

static int hns3_get_coalesce(struct net_device *netdev,
                             struct ethtool_coalesce *cmd,
                             struct kernel_ethtool_coalesce *kernel_coal,
                             struct netlink_ext_ack *extack)
{
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
        struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
        struct hnae3_handle *h = priv->ae_handle;

        if (hns3_nic_resetting(netdev))
                return -EBUSY;

        cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable;
        cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable;

        cmd->tx_coalesce_usecs = tx_coal->int_gl;
        cmd->rx_coalesce_usecs = rx_coal->int_gl;

        cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
        cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;

        cmd->tx_max_coalesced_frames = tx_coal->int_ql;
        cmd->rx_max_coalesced_frames = rx_coal->int_ql;

        kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode ==
                                        DIM_CQ_PERIOD_MODE_START_FROM_CQE);
        kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode ==
                                        DIM_CQ_PERIOD_MODE_START_FROM_CQE);

        return 0;
}

static int hns3_check_gl_coalesce_para(struct net_device *netdev,
                                       struct ethtool_coalesce *cmd)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);
        u32 rx_gl, tx_gl;

        if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
                netdev_err(netdev,
                           "invalid rx-usecs value, rx-usecs range is 0-%u\n",
                           ae_dev->dev_specs.max_int_gl);
                return -EINVAL;
        }

        if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
                netdev_err(netdev,
                           "invalid tx-usecs value, tx-usecs range is 0-%u\n",
                           ae_dev->dev_specs.max_int_gl);
                return -EINVAL;
        }

        /* device version above V3(include V3), GL uses 1us unit,
         * so the round down is not needed.
         */
        if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
                return 0;

        rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
        if (rx_gl != cmd->rx_coalesce_usecs) {
                netdev_info(netdev,
                            "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
                            cmd->rx_coalesce_usecs, rx_gl);
        }

        tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
        if (tx_gl != cmd->tx_coalesce_usecs) {
                netdev_info(netdev,
                            "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
                            cmd->tx_coalesce_usecs, tx_gl);
        }

        return 0;
}

static int hns3_check_rl_coalesce_para(struct net_device *netdev,
                                       struct ethtool_coalesce *cmd)
{
        u32 rl;

        if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
                netdev_err(netdev,
                           "tx_usecs_high must be same as rx_usecs_high.\n");
                return -EINVAL;
        }

        if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
                netdev_err(netdev,
                           "Invalid usecs_high value, usecs_high range is 0-%d\n",
                           HNS3_INT_RL_MAX);
                return -EINVAL;
        }

        rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
        if (rl != cmd->rx_coalesce_usecs_high) {
                netdev_info(netdev,
                            "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
                            cmd->rx_coalesce_usecs_high, rl);
        }

        return 0;
}

static int hns3_check_ql_coalesce_param(struct net_device *netdev,
                                        struct ethtool_coalesce *cmd)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);

        if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) &&
            !ae_dev->dev_specs.int_ql_max) {
                netdev_err(netdev, "coalesced frames is not supported\n");
                return -EOPNOTSUPP;
        }

        if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max ||
            cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) {
                netdev_err(netdev,
                           "invalid coalesced_frames value, range is 0-%u\n",
                           ae_dev->dev_specs.int_ql_max);
                return -ERANGE;
        }

        return 0;
}

static int
hns3_check_cqe_coalesce_param(struct net_device *netdev,
                              struct kernel_ethtool_coalesce *kernel_coal)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);

        if ((kernel_coal->use_cqe_mode_tx || kernel_coal->use_cqe_mode_rx) &&
            !hnae3_ae_dev_cq_supported(ae_dev)) {
                netdev_err(netdev, "coalesced cqe mode is not supported\n");
                return -EOPNOTSUPP;
        }

        return 0;
}

static int
hns3_check_coalesce_para(struct net_device *netdev,
                         struct ethtool_coalesce *cmd,
                         struct kernel_ethtool_coalesce *kernel_coal)
{
        int ret;

        ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal);
        if (ret)
                return ret;

        ret = hns3_check_gl_coalesce_para(netdev, cmd);
        if (ret) {
                netdev_err(netdev,
                           "Check gl coalesce param fail. ret = %d\n", ret);
                return ret;
        }

        ret = hns3_check_rl_coalesce_para(netdev, cmd);
        if (ret) {
                netdev_err(netdev,
                           "Check rl coalesce param fail. ret = %d\n", ret);
                return ret;
        }

        return hns3_check_ql_coalesce_param(netdev, cmd);
}

static void hns3_set_coalesce_per_queue(struct net_device *netdev,
                                        struct ethtool_coalesce *cmd,
                                        u32 queue)
{
        struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        struct hnae3_handle *h = priv->ae_handle;
        int queue_num = h->kinfo.num_tqps;

        tx_vector = priv->ring[queue].tqp_vector;
        rx_vector = priv->ring[queue_num + queue].tqp_vector;

        tx_vector->tx_group.coal.adapt_enable =
                                cmd->use_adaptive_tx_coalesce;
        rx_vector->rx_group.coal.adapt_enable =
                                cmd->use_adaptive_rx_coalesce;

        tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
        rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;

        tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
        rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;

        hns3_set_vector_coalesce_tx_gl(tx_vector,
                                       tx_vector->tx_group.coal.int_gl);
        hns3_set_vector_coalesce_rx_gl(rx_vector,
                                       rx_vector->rx_group.coal.int_gl);

        hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
        hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);

        if (tx_vector->tx_group.coal.ql_enable)
                hns3_set_vector_coalesce_tx_ql(tx_vector,
                                               tx_vector->tx_group.coal.int_ql);
        if (rx_vector->rx_group.coal.ql_enable)
                hns3_set_vector_coalesce_rx_ql(rx_vector,
                                               rx_vector->rx_group.coal.int_ql);
}

static int hns3_set_coalesce(struct net_device *netdev,
                             struct ethtool_coalesce *cmd,
                             struct kernel_ethtool_coalesce *kernel_coal,
                             struct netlink_ext_ack *extack)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
        struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
        u16 queue_num = h->kinfo.num_tqps;
        enum dim_cq_period_mode tx_mode;
        enum dim_cq_period_mode rx_mode;
        int ret;
        int i;

        if (hns3_nic_resetting(netdev))
                return -EBUSY;

        ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal);
        if (ret)
                return ret;

        h->kinfo.int_rl_setting =
                hns3_rl_round_down(cmd->rx_coalesce_usecs_high);

        tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce;
        rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce;

        tx_coal->int_gl = cmd->tx_coalesce_usecs;
        rx_coal->int_gl = cmd->rx_coalesce_usecs;

        tx_coal->int_ql = cmd->tx_max_coalesced_frames;
        rx_coal->int_ql = cmd->rx_max_coalesced_frames;

        for (i = 0; i < queue_num; i++)
                hns3_set_coalesce_per_queue(netdev, cmd, i);

        tx_mode = kernel_coal->use_cqe_mode_tx ?
                  DIM_CQ_PERIOD_MODE_START_FROM_CQE :
                  DIM_CQ_PERIOD_MODE_START_FROM_EQE;
        rx_mode = kernel_coal->use_cqe_mode_rx ?
                  DIM_CQ_PERIOD_MODE_START_FROM_CQE :
                  DIM_CQ_PERIOD_MODE_START_FROM_EQE;
        hns3_cq_period_mode_init(priv, tx_mode, rx_mode);

        return 0;
}

static int hns3_get_regs_len(struct net_device *netdev)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (!h->ae_algo->ops->get_regs_len)
                return -EOPNOTSUPP;

        return h->ae_algo->ops->get_regs_len(h);
}

static void hns3_get_regs(struct net_device *netdev,
                          struct ethtool_regs *cmd, void *data)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (!h->ae_algo->ops->get_regs)
                return;

        h->ae_algo->ops->get_regs(h, &cmd->version, data);
}

static int hns3_set_phys_id(struct net_device *netdev,
                            enum ethtool_phys_id_state state)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (!h->ae_algo->ops->set_led_id)
                return -EOPNOTSUPP;

        return h->ae_algo->ops->set_led_id(h, state);
}

static u32 hns3_get_msglevel(struct net_device *netdev)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        return h->msg_enable;
}

static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        h->msg_enable = msg_level;
}

static void hns3_get_fec_stats(struct net_device *netdev,
                               struct ethtool_fec_stats *fec_stats,
                               struct ethtool_fec_hist *hist)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);

        if (!hnae3_ae_dev_fec_stats_supported(ae_dev) || !ops->get_fec_stats)
                return;

        ops->get_fec_stats(handle, fec_stats);
}

/* Translate local fec value into ethtool value. */
static unsigned int loc_to_eth_fec(u8 loc_fec)
{
        u32 eth_fec = 0;

        if (loc_fec & BIT(HNAE3_FEC_AUTO))
                eth_fec |= ETHTOOL_FEC_AUTO;
        if (loc_fec & BIT(HNAE3_FEC_RS))
                eth_fec |= ETHTOOL_FEC_RS;
        if (loc_fec & BIT(HNAE3_FEC_LLRS))
                eth_fec |= ETHTOOL_FEC_LLRS;
        if (loc_fec & BIT(HNAE3_FEC_BASER))
                eth_fec |= ETHTOOL_FEC_BASER;
        if (loc_fec & BIT(HNAE3_FEC_NONE))
                eth_fec |= ETHTOOL_FEC_OFF;

        return eth_fec;
}

/* Translate ethtool fec value into local value. */
static unsigned int eth_to_loc_fec(unsigned int eth_fec)
{
        u32 loc_fec = 0;

        if (eth_fec & ETHTOOL_FEC_OFF)
                loc_fec |= BIT(HNAE3_FEC_NONE);
        if (eth_fec & ETHTOOL_FEC_AUTO)
                loc_fec |= BIT(HNAE3_FEC_AUTO);
        if (eth_fec & ETHTOOL_FEC_RS)
                loc_fec |= BIT(HNAE3_FEC_RS);
        if (eth_fec & ETHTOOL_FEC_LLRS)
                loc_fec |= BIT(HNAE3_FEC_LLRS);
        if (eth_fec & ETHTOOL_FEC_BASER)
                loc_fec |= BIT(HNAE3_FEC_BASER);

        return loc_fec;
}

static int hns3_get_fecparam(struct net_device *netdev,
                             struct ethtool_fecparam *fec)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);
        u8 fec_ability;
        u8 fec_mode;

        if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
                return -EOPNOTSUPP;

        if (!ops->get_fec)
                return -EOPNOTSUPP;

        ops->get_fec(handle, &fec_ability, &fec_mode);

        fec->fec = loc_to_eth_fec(fec_ability);
        fec->active_fec = loc_to_eth_fec(fec_mode);
        if (!fec->active_fec)
                fec->active_fec = ETHTOOL_FEC_OFF;

        return 0;
}

static int hns3_set_fecparam(struct net_device *netdev,
                             struct ethtool_fecparam *fec)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);
        u32 fec_mode;

        if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
                return -EOPNOTSUPP;

        if (!ops->set_fec)
                return -EOPNOTSUPP;
        fec_mode = eth_to_loc_fec(fec->fec);

        netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);

        return ops->set_fec(handle, fec_mode);
}

static int hns3_get_module_info(struct net_device *netdev,
                                struct ethtool_modinfo *modinfo)
{
#define HNS3_SFF_8636_V1_3 0x03

        struct hnae3_handle *handle = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);
        struct hns3_sfp_type sfp_type;
        int ret;

        if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
            !ops->get_module_eeprom)
                return -EOPNOTSUPP;

        memset(&sfp_type, 0, sizeof(sfp_type));
        ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8),
                                     (u8 *)&sfp_type);
        if (ret)
                return ret;

        switch (sfp_type.type) {
        case SFF8024_ID_SFP:
                modinfo->type = ETH_MODULE_SFF_8472;
                modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
                break;
        case SFF8024_ID_QSFP_8438:
                modinfo->type = ETH_MODULE_SFF_8436;
                modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
                break;
        case SFF8024_ID_QSFP_8436_8636:
                if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) {
                        modinfo->type = ETH_MODULE_SFF_8436;
                        modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
                } else {
                        modinfo->type = ETH_MODULE_SFF_8636;
                        modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
                }
                break;
        case SFF8024_ID_QSFP28_8636:
                modinfo->type = ETH_MODULE_SFF_8636;
                modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
                break;
        default:
                netdev_err(netdev, "Optical module unknown: %#x\n",
                           sfp_type.type);
                return -EINVAL;
        }

        return 0;
}

static int hns3_get_module_eeprom(struct net_device *netdev,
                                  struct ethtool_eeprom *ee, u8 *data)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);

        if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
            !ops->get_module_eeprom)
                return -EOPNOTSUPP;

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

        memset(data, 0, ee->len);

        return ops->get_module_eeprom(handle, ee->offset, ee->len, data);
}

static u32 hns3_get_priv_flags(struct net_device *netdev)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);

        return handle->priv_flags;
}

static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed)
{
        u32 i;

        for (i = 0; i < HNAE3_PFLAG_MAX; i++)
                if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) {
                        netdev_err(h->netdev, "%s is unsupported\n",
                                   hns3_priv_flags[i].name);
                        return -EOPNOTSUPP;
                }

        return 0;
}

static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        u32 changed = pflags ^ handle->priv_flags;
        int ret;
        u32 i;

        ret = hns3_check_priv_flags(handle, changed);
        if (ret)
                return ret;

        for (i = 0; i < HNAE3_PFLAG_MAX; i++) {
                if (changed & BIT(i)) {
                        bool enable = !(handle->priv_flags & BIT(i));

                        if (enable)
                                handle->priv_flags |= BIT(i);
                        else
                                handle->priv_flags &= ~BIT(i);
                        hns3_priv_flags[i].handler(netdev, enable);
                }
        }

        return 0;
}

static int hns3_get_tunable(struct net_device *netdev,
                            const struct ethtool_tunable *tuna,
                            void *data)
{
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        struct hnae3_handle *h = priv->ae_handle;
        int ret = 0;

        switch (tuna->id) {
        case ETHTOOL_TX_COPYBREAK:
                /* all the tx rings have the same tx_copybreak */
                *(u32 *)data = priv->tx_copybreak;
                break;
        case ETHTOOL_RX_COPYBREAK:
                *(u32 *)data = priv->rx_copybreak;
                break;
        case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
                *(u32 *)data = h->kinfo.tx_spare_buf_size;
                break;
        default:
                ret = -EOPNOTSUPP;
                break;
        }

        return ret;
}

static int hns3_set_tx_spare_buf_size(struct net_device *netdev,
                                      u32 data)
{
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        struct hnae3_handle *h = priv->ae_handle;
        int ret;

        h->kinfo.tx_spare_buf_size = data;

        ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT);
        if (ret)
                return ret;

        ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT);
        if (ret)
                return ret;

        ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT);
        if (ret)
                return ret;

        ret = hns3_reset_notify(h, HNAE3_UP_CLIENT);
        if (ret)
                hns3_reset_notify(h, HNAE3_UNINIT_CLIENT);

        return ret;
}

static int hns3_check_tx_copybreak(struct net_device *netdev, u32 copybreak)
{
        struct hns3_nic_priv *priv = netdev_priv(netdev);

        if (copybreak < priv->min_tx_copybreak) {
                netdev_err(netdev, "tx copybreak %u should be no less than %u!\n",
                           copybreak, priv->min_tx_copybreak);
                return -EINVAL;
        }
        return 0;
}

static int hns3_check_tx_spare_buf_size(struct net_device *netdev, u32 buf_size)
{
        struct hns3_nic_priv *priv = netdev_priv(netdev);

        if (buf_size < priv->min_tx_spare_buf_size) {
                netdev_err(netdev,
                           "tx spare buf size %u should be no less than %u!\n",
                           buf_size, priv->min_tx_spare_buf_size);
                return -EINVAL;
        }
        return 0;
}

static int hns3_set_tunable(struct net_device *netdev,
                            const struct ethtool_tunable *tuna,
                            const void *data)
{
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        u32 old_tx_spare_buf_size, new_tx_spare_buf_size;
        struct hnae3_handle *h = priv->ae_handle;
        int i, ret = 0;

        if (hns3_nic_resetting(netdev) || !priv->ring) {
                netdev_err(netdev, "failed to set tunable value, dev resetting!\n");
                return -EBUSY;
        }

        switch (tuna->id) {
        case ETHTOOL_TX_COPYBREAK:
                ret = hns3_check_tx_copybreak(netdev, *(u32 *)data);
                if (ret)
                        return ret;

                priv->tx_copybreak = *(u32 *)data;

                for (i = 0; i < h->kinfo.num_tqps; i++)
                        priv->ring[i].tx_copybreak = priv->tx_copybreak;

                break;
        case ETHTOOL_RX_COPYBREAK:
                priv->rx_copybreak = *(u32 *)data;

                for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++)
                        priv->ring[i].rx_copybreak = priv->rx_copybreak;

                break;
        case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
                ret = hns3_check_tx_spare_buf_size(netdev, *(u32 *)data);
                if (ret)
                        return ret;

                old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size;
                new_tx_spare_buf_size = *(u32 *)data;
                netdev_info(netdev, "request to set tx spare buf size from %u to %u\n",
                            old_tx_spare_buf_size, new_tx_spare_buf_size);
                ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size);
                if (ret ||
                    (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) {
                        int ret1;

                        netdev_warn(netdev, "change tx spare buf size fail, revert to old value\n");
                        ret1 = hns3_set_tx_spare_buf_size(netdev,
                                                          old_tx_spare_buf_size);
                        if (ret1) {
                                netdev_err(netdev, "revert to old tx spare buf size fail\n");
                                return ret1;
                        }

                        return ret;
                }

                if (!priv->ring->tx_spare)
                        netdev_info(netdev, "the active tx spare buf size is 0, disable tx spare buffer\n");
                else
                        netdev_info(netdev, "the active tx spare buf size is %u, due to page order\n",
                                    priv->ring->tx_spare->len);

                break;
        default:
                ret = -EOPNOTSUPP;
                break;
        }

        return ret;
}

#define HNS3_ETHTOOL_COALESCE   (ETHTOOL_COALESCE_USECS |               \
                                 ETHTOOL_COALESCE_USE_ADAPTIVE |        \
                                 ETHTOOL_COALESCE_RX_USECS_HIGH |       \
                                 ETHTOOL_COALESCE_TX_USECS_HIGH |       \
                                 ETHTOOL_COALESCE_MAX_FRAMES |          \
                                 ETHTOOL_COALESCE_USE_CQE)

#define HNS3_ETHTOOL_RING       (ETHTOOL_RING_USE_RX_BUF_LEN |          \
                                 ETHTOOL_RING_USE_TX_PUSH)

static int hns3_get_ts_info(struct net_device *netdev,
                            struct kernel_ethtool_ts_info *info)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);

        if (handle->ae_algo->ops->get_ts_info)
                return handle->ae_algo->ops->get_ts_info(handle, info);

        return ethtool_op_get_ts_info(netdev, info);
}

static const struct hns3_ethtool_link_ext_state_mapping
hns3_link_ext_state_map[] = {
        {1, ETHTOOL_LINK_EXT_STATE_AUTONEG,
                ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD},
        {2, ETHTOOL_LINK_EXT_STATE_AUTONEG,
                ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED},

        {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
                ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT},
        {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
                ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY},
        {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
                ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT},

        {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
                ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK},
        {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
                ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED},
        {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
                ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED},

        {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
                ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS},
        {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
                ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST},
        {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
                ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS},

        {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0},
        {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
                ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},

        {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0},
};

static int hns3_get_link_ext_state(struct net_device *netdev,
                                   struct ethtool_link_ext_state_info *info)
{
        const struct hns3_ethtool_link_ext_state_mapping *map;
        struct hnae3_handle *h = hns3_get_handle(netdev);
        u32 status_code, i;
        int ret;

        if (netif_carrier_ok(netdev))
                return -ENODATA;

        if (!h->ae_algo->ops->get_link_diagnosis_info)
                return -EOPNOTSUPP;

        ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code);
        if (ret)
                return ret;

        for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) {
                map = &hns3_link_ext_state_map[i];
                if (map->status_code == status_code) {
                        info->link_ext_state = map->link_ext_state;
                        info->__link_ext_substate = map->link_ext_substate;
                        return 0;
                }
        }

        return -ENODATA;
}

static void hns3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);

        if (!hnae3_ae_dev_wol_supported(ae_dev))
                return;

        ops->get_wol(handle, wol);
}

static int hns3_set_wol(struct net_device *netdev,
                        struct ethtool_wolinfo *wol)
{
        struct hnae3_handle *handle = hns3_get_handle(netdev);
        const struct hnae3_ae_ops *ops = hns3_get_ops(handle);
        struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);

        if (!hnae3_ae_dev_wol_supported(ae_dev))
                return -EOPNOTSUPP;

        return ops->set_wol(handle, wol);
}

static const struct ethtool_ops hns3vf_ethtool_ops = {
        .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
        .supported_ring_params = HNS3_ETHTOOL_RING,
        .get_drvinfo = hns3_get_drvinfo,
        .get_ringparam = hns3_get_ringparam,
        .set_ringparam = hns3_set_ringparam,
        .get_strings = hns3_get_strings,
        .get_ethtool_stats = hns3_get_stats,
        .get_sset_count = hns3_get_sset_count,
        .get_rxnfc = hns3_get_rxnfc,
        .set_rxnfc = hns3_set_rxnfc,
        .get_rx_ring_count = hns3_get_rx_ring_count,
        .get_rxfh_key_size = hns3_get_rss_key_size,
        .get_rxfh_indir_size = hns3_get_rss_indir_size,
        .get_rxfh = hns3_get_rss,
        .set_rxfh = hns3_set_rss,
        .get_rxfh_fields = hns3_get_rxfh_fields,
        .set_rxfh_fields = hns3_set_rxfh_fields,
        .get_link_ksettings = hns3_get_link_ksettings,
        .get_channels = hns3_get_channels,
        .set_channels = hns3_set_channels,
        .get_coalesce = hns3_get_coalesce,
        .set_coalesce = hns3_set_coalesce,
        .get_regs_len = hns3_get_regs_len,
        .get_regs = hns3_get_regs,
        .get_link = hns3_get_link,
        .get_msglevel = hns3_get_msglevel,
        .set_msglevel = hns3_set_msglevel,
        .get_priv_flags = hns3_get_priv_flags,
        .set_priv_flags = hns3_set_priv_flags,
        .get_tunable = hns3_get_tunable,
        .set_tunable = hns3_set_tunable,
        .reset = hns3_set_reset,
};

static const struct ethtool_ops hns3_ethtool_ops = {
        .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
        .supported_ring_params = HNS3_ETHTOOL_RING,
        .cap_link_lanes_supported = true,
        .self_test = hns3_self_test,
        .get_drvinfo = hns3_get_drvinfo,
        .get_link = hns3_get_link,
        .get_ringparam = hns3_get_ringparam,
        .set_ringparam = hns3_set_ringparam,
        .get_pauseparam = hns3_get_pauseparam,
        .set_pauseparam = hns3_set_pauseparam,
        .get_strings = hns3_get_strings,
        .get_ethtool_stats = hns3_get_stats,
        .get_sset_count = hns3_get_sset_count,
        .get_rxnfc = hns3_get_rxnfc,
        .set_rxnfc = hns3_set_rxnfc,
        .get_rx_ring_count = hns3_get_rx_ring_count,
        .get_rxfh_key_size = hns3_get_rss_key_size,
        .get_rxfh_indir_size = hns3_get_rss_indir_size,
        .get_rxfh = hns3_get_rss,
        .set_rxfh = hns3_set_rss,
        .get_rxfh_fields = hns3_get_rxfh_fields,
        .set_rxfh_fields = hns3_set_rxfh_fields,
        .get_link_ksettings = hns3_get_link_ksettings,
        .set_link_ksettings = hns3_set_link_ksettings,
        .nway_reset = hns3_nway_reset,
        .get_channels = hns3_get_channels,
        .set_channels = hns3_set_channels,
        .get_coalesce = hns3_get_coalesce,
        .set_coalesce = hns3_set_coalesce,
        .get_regs_len = hns3_get_regs_len,
        .get_regs = hns3_get_regs,
        .set_phys_id = hns3_set_phys_id,
        .get_msglevel = hns3_get_msglevel,
        .set_msglevel = hns3_set_msglevel,
        .get_fecparam = hns3_get_fecparam,
        .set_fecparam = hns3_set_fecparam,
        .get_fec_stats = hns3_get_fec_stats,
        .get_module_info = hns3_get_module_info,
        .get_module_eeprom = hns3_get_module_eeprom,
        .get_priv_flags = hns3_get_priv_flags,
        .set_priv_flags = hns3_set_priv_flags,
        .get_ts_info = hns3_get_ts_info,
        .get_tunable = hns3_get_tunable,
        .set_tunable = hns3_set_tunable,
        .reset = hns3_set_reset,
        .get_link_ext_state = hns3_get_link_ext_state,
        .get_wol = hns3_get_wol,
        .set_wol = hns3_set_wol,
};

void hns3_ethtool_set_ops(struct net_device *netdev)
{
        struct hnae3_handle *h = hns3_get_handle(netdev);

        if (h->flags & HNAE3_SUPPORT_VF)
                netdev->ethtool_ops = &hns3vf_ethtool_ops;
        else
                netdev->ethtool_ops = &hns3_ethtool_ops;
}