hns3_ethtool.c 36.9 KB
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// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2016-2017 Hisilicon Limited.
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#include <linux/etherdevice.h>
#include <linux/string.h>
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#include <linux/phy.h>
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#include "hns3_enet.h"

struct hns3_stats {
	char stats_string[ETH_GSTRING_LEN];
	int stats_offset;
};

/* tqp related stats */
#define HNS3_TQP_STAT(_string, _member)	{			\
	.stats_string = _string,				\
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	.stats_offset = offsetof(struct hns3_enet_ring, stats) +\
			offsetof(struct ring_stats, _member),   \
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}
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static const struct hns3_stats hns3_txq_stats[] = {
	/* Tx per-queue statistics */
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	HNS3_TQP_STAT("io_err_cnt", io_err_cnt),
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	HNS3_TQP_STAT("dropped", sw_err_cnt),
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	HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
	HNS3_TQP_STAT("packets", tx_pkts),
	HNS3_TQP_STAT("bytes", tx_bytes),
	HNS3_TQP_STAT("errors", tx_err_cnt),
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	HNS3_TQP_STAT("wake", restart_queue),
	HNS3_TQP_STAT("busy", tx_busy),
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	HNS3_TQP_STAT("copy", tx_copy),
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	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),
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};

#define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)

static const struct hns3_stats hns3_rxq_stats[] = {
	/* Rx per-queue statistics */
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	HNS3_TQP_STAT("io_err_cnt", io_err_cnt),
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	HNS3_TQP_STAT("dropped", sw_err_cnt),
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	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),
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	HNS3_TQP_STAT("multicast", rx_multicast),
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	HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg),
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};

#define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)

#define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)

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David S. Miller 已提交
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#define HNS3_SELF_TEST_TYPE_NUM         3
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#define HNS3_NIC_LB_TEST_PKT_NUM	1
#define HNS3_NIC_LB_TEST_RING_ID	0
#define HNS3_NIC_LB_TEST_PACKET_SIZE	128
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#define HNS3_NIC_LB_SETUP_USEC		10000
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/* 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

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struct hns3_link_mode_mapping {
	u32 hns3_link_mode;
	u32 ethtool_link_mode;
};

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

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

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

	if (ret)
		return ret;

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	if (en) {
		h->ae_algo->ops->set_promisc_mode(h, true, true);
	} else {
		/* recover promisc mode before loopback test */
		hns3_update_promisc_mode(ndev, h->netdev_flags);
		vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true;
		hns3_enable_vlan_filter(ndev, vlan_filter_enable);
	}
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	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;

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

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

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

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

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	usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
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	return 0;
}

static void hns3_lp_setup_skb(struct sk_buff *skb)
{
	struct net_device *ndev = skb->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);
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	/* 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.
	 */
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	ethh->h_dest[5] += 0x1f;
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	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 i;

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

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

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		preempt_disable();
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		hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
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		preempt_enable();
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		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 budget)
{
	u32 i;

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

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		hns3_clean_tx_ring(ring);
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	}
}

/**
 * hns3_lp_run_test -  run loopback test
 * @ndev: net device
 * @mode: loopback type
 */
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);
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		if (tx_ret == NETDEV_TX_OK) {
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			good_cnt++;
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		} else {
			kfree_skb(skb);
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			netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
				   tx_ret);
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		}
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	}
	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,
			      HNS3_NIC_LB_TEST_PKT_NUM);

	kfree_skb(skb);
	return ret_val;
}

/**
 * hns3_nic_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)
{
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct hnae3_handle *h = priv->ae_handle;
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	int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
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	bool if_running = netif_running(ndev);
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#if IS_ENABLED(CONFIG_VLAN_8021Q)
	bool dis_vlan_filter;
#endif
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	int test_index = 0;
	u32 i;

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	if (hns3_nic_resetting(ndev)) {
		netdev_err(ndev, "dev resetting!");
		return;
	}

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	/* Only do offline selftest, or pass by default */
	if (eth_test->flags != ETH_TEST_FL_OFFLINE)
		return;

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	netif_dbg(h, drv, ndev, "self test start");

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	st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
	st_param[HNAE3_LOOP_APP][1] =
			h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
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	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;
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	if (if_running)
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		ndev->netdev_ops->ndo_stop(ndev);
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#if IS_ENABLED(CONFIG_VLAN_8021Q)
	/* Disable the vlan filter for selftest does not support it */
	dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
				h->ae_algo->ops->enable_vlan_filter;
	if (dis_vlan_filter)
		h->ae_algo->ops->enable_vlan_filter(h, false);
#endif

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	/* 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);

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	set_bit(HNS3_NIC_STATE_TESTING, &priv->state);

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	for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
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		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);
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		if (!data[test_index])
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			data[test_index] = hns3_lp_run_test(ndev, loop_type);
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		hns3_lp_down(ndev, loop_type);
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		if (data[test_index])
			eth_test->flags |= ETH_TEST_FL_FAILED;

		test_index++;
	}

	clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);

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

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#if IS_ENABLED(CONFIG_VLAN_8021Q)
	if (dis_vlan_filter)
		h->ae_algo->ops->enable_vlan_filter(h, true);
#endif

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	if (if_running)
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		ndev->netdev_ops->ndo_open(ndev);
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	netif_dbg(h, drv, ndev, "self test end\n");
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}

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

	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);

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	default:
		return -EOPNOTSUPP;
	}
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}

static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
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		u32 stat_count, u32 num_tqps, const char *prefix)
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{
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#define MAX_PREFIX_SIZE (6 + 4)
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	u32 size_left;
	u32 i, j;
	u32 n1;

	for (i = 0; i < num_tqps; i++) {
		for (j = 0; j < stat_count; j++) {
			data[ETH_GSTRING_LEN - 1] = '\0';

			/* first, prepend the prefix string */
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			n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_",
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				      prefix, i);
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			n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
			size_left = (ETH_GSTRING_LEN - 1) - n1;

			/* now, concatenate the stats string to it */
			strncat(data, stats[j].stats_string, size_left);
			data += ETH_GSTRING_LEN;
		}
	}

	return data;
}

static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
{
	struct hnae3_knic_private_info *kinfo = &handle->kinfo;
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	const char tx_prefix[] = "txq";
	const char rx_prefix[] = "rxq";
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	/* get strings for Tx */
	data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
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				   kinfo->num_tqps, tx_prefix);
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	/* get strings for Rx */
	data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
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				   kinfo->num_tqps, rx_prefix);
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	return data;
}

static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
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	struct hnae3_handle *h = hns3_get_handle(netdev);
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	const struct hnae3_ae_ops *ops = h->ae_algo->ops;
	char *buff = (char *)data;

	if (!ops->get_strings)
		return;

	switch (stringset) {
	case ETH_SS_STATS:
		buff = hns3_get_strings_tqps(h, buff);
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		ops->get_strings(h, stringset, (u8 *)buff);
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		break;
	case ETH_SS_TEST:
		ops->get_strings(h, stringset, data);
		break;
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	default:
		break;
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	}
}

static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
{
	struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
	struct hnae3_knic_private_info *kinfo = &handle->kinfo;
	struct hns3_enet_ring *ring;
	u8 *stat;
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	int i, j;
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	/* get stats for Tx */
	for (i = 0; i < kinfo->num_tqps; i++) {
		ring = nic_priv->ring_data[i].ring;
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		for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
			stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
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			*data++ = *(u64 *)stat;
		}
	}

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

	return data;
}

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

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

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

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	h->ae_algo->ops->update_stats(h, &netdev->stats);
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	/* 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;
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	u32 fw_version;
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	if (!h->ae_algo->ops->get_fw_version) {
		netdev_err(netdev, "could not get fw version!\n");
		return;
	}

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	strncpy(drvinfo->version, hns3_driver_version,
		sizeof(drvinfo->version));
	drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';

	strncpy(drvinfo->driver, h->pdev->driver->name,
		sizeof(drvinfo->driver));
	drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';

	strncpy(drvinfo->bus_info, pci_name(h->pdev),
		sizeof(drvinfo->bus_info));
	drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';

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	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));
569 570 571 572
}

static u32 hns3_get_link(struct net_device *netdev)
{
573
	struct hnae3_handle *h = hns3_get_handle(netdev);
574

575
	if (h->ae_algo->ops->get_status)
576 577 578 579 580 581 582 583 584
		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 hns3_nic_priv *priv = netdev_priv(netdev);
585 586
	struct hnae3_handle *h = priv->ae_handle;
	int queue_num = h->kinfo.num_tqps;
587

588 589 590 591 592
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting!");
		return;
	}

593 594 595 596 597 598 599 600 601 602
	param->tx_max_pending = HNS3_RING_MAX_PENDING;
	param->rx_max_pending = HNS3_RING_MAX_PENDING;

	param->tx_pending = priv->ring_data[0].ring->desc_num;
	param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
}

static void hns3_get_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *param)
{
603
	struct hnae3_handle *h = hns3_get_handle(netdev);
604

605
	if (h->ae_algo->ops->get_pauseparam)
606 607 608 609
		h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
			&param->rx_pause, &param->tx_pause);
}

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

615 616 617 618
	netif_dbg(h, drv, netdev,
		  "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
		  param->autoneg, param->rx_pause, param->tx_pause);

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	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;
}

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

	/* 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);

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	/* 2.get link mode */
639 640 641 642 643 644 645 646 647 648 649
	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);
}

650 651 652
static int hns3_get_link_ksettings(struct net_device *netdev,
				   struct ethtool_link_ksettings *cmd)
{
653
	struct hnae3_handle *h = hns3_get_handle(netdev);
654
	const struct hnae3_ae_ops *ops;
655
	u8 module_type;
656
	u8 media_type;
657 658
	u8 link_stat;

659
	ops = h->ae_algo->ops;
660
	if (ops->get_media_type)
661
		ops->get_media_type(h, &media_type, &module_type);
662 663 664
	else
		return -EOPNOTSUPP;

665 666 667 668 669 670
	switch (media_type) {
	case HNAE3_MEDIA_TYPE_NONE:
		cmd->base.port = PORT_NONE;
		hns3_get_ksettings(h, cmd);
		break;
	case HNAE3_MEDIA_TYPE_FIBER:
671 672 673 674 675 676 677 678 679
		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;
680
		hns3_get_ksettings(h, cmd);
681
		break;
682 683
	case HNAE3_MEDIA_TYPE_COPPER:
		cmd->base.port = PORT_TP;
684 685 686 687
		if (!netdev->phydev)
			hns3_get_ksettings(h, cmd);
		else
			phy_ethtool_ksettings_get(netdev->phydev, cmd);
688 689
		break;
	default:
690 691

		netdev_warn(netdev, "Unknown media type");
692 693 694
		return 0;
	}

695 696
	/* mdio_support */
	cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
697 698 699 700 701

	link_stat = hns3_get_link(netdev);
	if (!link_stat) {
		cmd->base.speed = SPEED_UNKNOWN;
		cmd->base.duplex = DUPLEX_UNKNOWN;
702 703 704 705 706
	}

	return 0;
}

707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746
static int hns3_check_ksettings_param(struct net_device *netdev,
				      const struct ethtool_link_ksettings *cmd)
{
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
	u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
	u8 autoneg;
	u32 speed;
	u8 duplex;
	int ret;

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

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

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

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static int hns3_set_link_ksettings(struct net_device *netdev,
				   const struct ethtool_link_ksettings *cmd)
{
750 751
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
752
	int ret;
753 754

	/* Chip don't support this mode. */
755 756 757
	if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
		return -EINVAL;

758 759 760 761 762
	netif_dbg(handle, drv, netdev,
		  "set link(%s): autoneg=%u, speed=%u, duplex=%u\n",
		  netdev->phydev ? "phy" : "mac",
		  cmd->base.autoneg, cmd->base.speed, cmd->base.duplex);

763 764 765 766
	/* Only support ksettings_set for netdev with phy attached for now */
	if (netdev->phydev)
		return phy_ethtool_ksettings_set(netdev->phydev, cmd);

767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784
	if (handle->pdev->revision == 0x20)
		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;
	}

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

	return ret;
785 786
}

787 788
static u32 hns3_get_rss_key_size(struct net_device *netdev)
{
789
	struct hnae3_handle *h = hns3_get_handle(netdev);
790

791
	if (!h->ae_algo->ops->get_rss_key_size)
792
		return 0;
793 794 795 796 797 798

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

static u32 hns3_get_rss_indir_size(struct net_device *netdev)
{
799
	struct hnae3_handle *h = hns3_get_handle(netdev);
800

801
	if (!h->ae_algo->ops->get_rss_indir_size)
802
		return 0;
803 804 805 806 807 808 809

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

static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
			u8 *hfunc)
{
810
	struct hnae3_handle *h = hns3_get_handle(netdev);
811

812
	if (!h->ae_algo->ops->get_rss)
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		return -EOPNOTSUPP;

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

static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
			const u8 *key, const u8 hfunc)
{
821
	struct hnae3_handle *h = hns3_get_handle(netdev);
822

823
	if (!h->ae_algo->ops->set_rss)
824 825
		return -EOPNOTSUPP;

826 827 828 829
	if ((h->pdev->revision == 0x20 &&
	     hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE &&
	     hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) {
		netdev_err(netdev, "hash func not supported\n");
830 831
		return -EOPNOTSUPP;
	}
832

833 834 835 836 837 838 839 840 841 842 843 844 845
	if (!indir) {
		netdev_err(netdev,
			   "set rss failed for indir is empty\n");
		return -EOPNOTSUPP;
	}

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

static int hns3_get_rxnfc(struct net_device *netdev,
			  struct ethtool_rxnfc *cmd,
			  u32 *rule_locs)
{
846
	struct hnae3_handle *h = hns3_get_handle(netdev);
847 848 849

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
850 851
		cmd->data = h->kinfo.num_tqps;
		return 0;
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	case ETHTOOL_GRXFH:
853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868
		if (h->ae_algo->ops->get_rss_tuple)
			return h->ae_algo->ops->get_rss_tuple(h, cmd);
		return -EOPNOTSUPP;
	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;
869 870 871 872 873
	default:
		return -EOPNOTSUPP;
	}
}

874 875
static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
					u32 tx_desc_num, u32 rx_desc_num)
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{
	struct hnae3_handle *h = priv->ae_handle;
	int i;

880 881
	h->kinfo.num_tx_desc = tx_desc_num;
	h->kinfo.num_rx_desc = rx_desc_num;
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883 884 885 886 887
	for (i = 0; i < h->kinfo.num_tqps; i++) {
		priv->ring_data[i].ring->desc_num = tx_desc_num;
		priv->ring_data[i + h->kinfo.num_tqps].ring->desc_num =
			rx_desc_num;
	}
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}

890
static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
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{
892 893 894
	struct hnae3_handle *handle = priv->ae_handle;
	struct hns3_enet_ring *tmp_rings;
	int i;
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	tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
			    sizeof(struct hns3_enet_ring), GFP_KERNEL);
	if (!tmp_rings)
		return NULL;

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

	return tmp_rings;
}

static int hns3_check_ringparam(struct net_device *ndev,
				struct ethtool_ringparam *param)
{
911 912 913
	if (hns3_nic_resetting(ndev))
		return -EBUSY;

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

	if (param->tx_pending > HNS3_RING_MAX_PENDING ||
918 919 920 921 922
	    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);
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		return -EINVAL;
	}

926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944
	return 0;
}

static int hns3_set_ringparam(struct net_device *ndev,
			      struct ethtool_ringparam *param)
{
	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);
	u32 old_tx_desc_num, new_tx_desc_num;
	u32 old_rx_desc_num, new_rx_desc_num;
	u16 queue_num = h->kinfo.num_tqps;
	int ret, i;

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

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	/* Hardware requires that its descriptors must be multiple of eight */
946 947 948 949 950 951
	new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE);
	new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE);
	old_tx_desc_num = priv->ring_data[0].ring->desc_num;
	old_rx_desc_num = priv->ring_data[queue_num].ring->desc_num;
	if (old_tx_desc_num == new_tx_desc_num &&
	    old_rx_desc_num == new_rx_desc_num)
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		return 0;

954 955 956 957 958 959 960
	tmp_rings = hns3_backup_ringparam(priv);
	if (!tmp_rings) {
		netdev_err(ndev,
			   "backup ring param failed by allocating memory fail\n");
		return -ENOMEM;
	}

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	netdev_info(ndev,
962 963 964
		    "Changing Tx/Rx ring depth from %d/%d to %d/%d\n",
		    old_tx_desc_num, old_rx_desc_num,
		    new_tx_desc_num, new_rx_desc_num);
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	if (if_running)
967
		ndev->netdev_ops->ndo_stop(ndev);
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969 970
	hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num);
	ret = hns3_init_all_ring(priv);
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	if (ret) {
972 973 974 975 976 977 978 979 980 981 982
		netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n",
			   ret);

		hns3_change_all_ring_bd_num(priv, old_tx_desc_num,
					    old_rx_desc_num);
		for (i = 0; i < h->kinfo.num_tqps * 2; i++)
			memcpy(priv->ring_data[i].ring, &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]);
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	}

985 986
	kfree(tmp_rings);

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	if (if_running)
988
		ret = ndev->netdev_ops->ndo_open(ndev);
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	return ret;
}

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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_SRXFH:
999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009
		if (h->ae_algo->ops->set_rss_tuple)
			return h->ae_algo->ops->set_rss_tuple(h, cmd);
		return -EOPNOTSUPP;
	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;
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	default:
		return -EOPNOTSUPP;
	}
}

1015 1016
static int hns3_nway_reset(struct net_device *netdev)
{
1017 1018
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1019
	struct phy_device *phy = netdev->phydev;
1020
	int autoneg;
1021 1022 1023 1024

	if (!netif_running(netdev))
		return 0;

1025 1026 1027 1028 1029 1030
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting!");
		return -EBUSY;
	}

	if (!ops->get_autoneg || !ops->restart_autoneg)
1031 1032
		return -EOPNOTSUPP;

1033 1034 1035 1036
	autoneg = ops->get_autoneg(handle);
	if (autoneg != AUTONEG_ENABLE) {
		netdev_err(netdev,
			   "Autoneg is off, don't support to restart it\n");
1037
		return -EINVAL;
1038 1039
	}

1040 1041 1042
	netif_dbg(handle, drv, netdev,
		  "nway reset (using %s)\n", phy ? "phy" : "mac");

1043 1044 1045 1046 1047
	if (phy)
		return genphy_restart_aneg(phy);

	if (handle->pdev->revision == 0x20)
		return -EOPNOTSUPP;
1048

1049
	return ops->restart_autoneg(handle);
1050 1051
}

1052 1053
static void hns3_get_channels(struct net_device *netdev,
			      struct ethtool_channels *ch)
1054 1055 1056 1057 1058 1059 1060
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

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

1061 1062 1063 1064 1065 1066 1067 1068
static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
				       struct ethtool_coalesce *cmd)
{
	struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
	struct hns3_nic_priv *priv = netdev_priv(netdev);
	struct hnae3_handle *h = priv->ae_handle;
	u16 queue_num = h->kinfo.num_tqps;

1069 1070 1071
	if (hns3_nic_resetting(netdev))
		return -EBUSY;

1072 1073 1074 1075 1076 1077 1078 1079 1080 1081
	if (queue >= queue_num) {
		netdev_err(netdev,
			   "Invalid queue value %d! Queue max id=%d\n",
			   queue, queue_num - 1);
		return -EINVAL;
	}

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

1082 1083 1084 1085
	cmd->use_adaptive_tx_coalesce =
			tx_vector->tx_group.coal.gl_adapt_enable;
	cmd->use_adaptive_rx_coalesce =
			rx_vector->rx_group.coal.gl_adapt_enable;
1086

1087 1088
	cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
	cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101

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

	return 0;
}

static int hns3_get_coalesce(struct net_device *netdev,
			     struct ethtool_coalesce *cmd)
{
	return hns3_get_coalesce_per_queue(netdev, 0, cmd);
}

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static int hns3_check_gl_coalesce_para(struct net_device *netdev,
				       struct ethtool_coalesce *cmd)
{
	u32 rx_gl, tx_gl;

	if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) {
		netdev_err(netdev,
			   "Invalid rx-usecs value, rx-usecs range is 0-%d\n",
			   HNS3_INT_GL_MAX);
		return -EINVAL;
	}

	if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) {
		netdev_err(netdev,
			   "Invalid tx-usecs value, tx-usecs range is 0-%d\n",
			   HNS3_INT_GL_MAX);
		return -EINVAL;
	}

	rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
	if (rx_gl != cmd->rx_coalesce_usecs) {
		netdev_info(netdev,
			    "rx_usecs(%d) rounded down to %d, 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(%d) rounded down to %d, 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(%d) rounded down to %d, because it must be multiple of 4.\n",
			    cmd->rx_coalesce_usecs_high, rl);
	}

	return 0;
}

static int hns3_check_coalesce_para(struct net_device *netdev,
				    struct ethtool_coalesce *cmd)
{
	int 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;
	}

	if (cmd->use_adaptive_tx_coalesce == 1 ||
	    cmd->use_adaptive_rx_coalesce == 1) {
		netdev_info(netdev,
			    "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n",
			    cmd->use_adaptive_tx_coalesce,
			    cmd->use_adaptive_rx_coalesce);
	}

	return 0;
}

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

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	tx_vector->tx_group.coal.gl_adapt_enable =
				cmd->use_adaptive_tx_coalesce;
	rx_vector->rx_group.coal.gl_adapt_enable =
				cmd->use_adaptive_rx_coalesce;
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	tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
	rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
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	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);
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	hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
	hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
}

static int hns3_set_coalesce(struct net_device *netdev,
			     struct ethtool_coalesce *cmd)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);
	u16 queue_num = h->kinfo.num_tqps;
	int ret;
	int i;

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	if (hns3_nic_resetting(netdev))
		return -EBUSY;

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

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

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

	return 0;
}

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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);
}

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

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

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

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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;
}

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/* 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_BASER))
		eth_fec |= ETHTOOL_FEC_BASER;

	/* if nothing is set, then FEC is off */
	if (!eth_fec)
		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)
		return loc_fec;

	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_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);
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u8 fec_ability;
	u8 fec_mode;

	if (handle->pdev->revision == 0x20)
		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);

	return 0;
}

static int hns3_set_fecparam(struct net_device *netdev,
			     struct ethtool_fecparam *fec)
{
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u32 fec_mode;

	if (handle->pdev->revision == 0x20)
		return -EOPNOTSUPP;

	if (!ops->set_fec)
		return -EOPNOTSUPP;
	fec_mode = eth_to_loc_fec(fec->fec);
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	netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);

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

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static const struct ethtool_ops hns3vf_ethtool_ops = {
	.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,
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	.set_rxnfc = hns3_set_rxnfc,
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	.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_link_ksettings = hns3_get_link_ksettings,
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	.get_channels = hns3_get_channels,
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	.get_coalesce = hns3_get_coalesce,
	.set_coalesce = hns3_set_coalesce,
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	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
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	.get_link = hns3_get_link,
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	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
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};

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static const struct ethtool_ops hns3_ethtool_ops = {
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	.self_test = hns3_self_test,
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	.get_drvinfo = hns3_get_drvinfo,
	.get_link = hns3_get_link,
	.get_ringparam = hns3_get_ringparam,
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	.set_ringparam = hns3_set_ringparam,
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	.get_pauseparam = hns3_get_pauseparam,
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	.set_pauseparam = hns3_set_pauseparam,
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	.get_strings = hns3_get_strings,
	.get_ethtool_stats = hns3_get_stats,
	.get_sset_count = hns3_get_sset_count,
	.get_rxnfc = hns3_get_rxnfc,
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	.set_rxnfc = hns3_set_rxnfc,
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	.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_link_ksettings = hns3_get_link_ksettings,
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	.set_link_ksettings = hns3_set_link_ksettings,
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	.nway_reset = hns3_nway_reset,
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	.get_channels = hns3_get_channels,
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	.set_channels = hns3_set_channels,
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	.get_coalesce = hns3_get_coalesce,
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	.set_coalesce = hns3_set_coalesce,
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	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
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	.set_phys_id = hns3_set_phys_id,
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	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
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	.get_fecparam = hns3_get_fecparam,
	.set_fecparam = hns3_set_fecparam,
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};

void hns3_ethtool_set_ops(struct net_device *netdev)
{
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	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;
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}