hns3_ethtool.c 53.5 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 <linux/sfp.h>
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#include "hns3_enet.h"
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#include "hns3_ethtool.h"
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/* 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("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),
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	HNS3_TQP_STAT("more", tx_more),
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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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	HNS3_TQP_STAT("over_max_recursion", over_max_recursion),
	HNS3_TQP_STAT("hw_limitation", hw_limitation),
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	HNS3_TQP_STAT("bounce", tx_bounce),
	HNS3_TQP_STAT("spare_full", tx_spare_full),
	HNS3_TQP_STAT("copy_bits_err", copy_bits_err),
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	HNS3_TQP_STAT("sgl", tx_sgl),
	HNS3_TQP_STAT("skb2sgl_err", skb2sgl_err),
	HNS3_TQP_STAT("map_sg_err", map_sg_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("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("csum_complete", csum_complete),
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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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	HNS3_TQP_STAT("frag_alloc_err", frag_alloc_err),
	HNS3_TQP_STAT("frag_alloc", frag_alloc),
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};

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#define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags)

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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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#define HNS3_SELF_TEST_TYPE_NUM         4
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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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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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	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
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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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	case HNAE3_LOOP_PHY:
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		ret = h->ae_algo->ops->set_loopback(h, loop, en);
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		break;
	default:
		ret = -ENOTSUPP;
		break;
	}

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

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	if (en)
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		h->ae_algo->ops->set_promisc_mode(h, true, true);
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	else
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		/* recover promisc mode before loopback test */
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		hns3_request_update_promisc_mode(h);
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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)
{
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#define	HNS3_NIC_LB_DST_MAC_ADDR	0x1f

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	struct net_device *ndev = skb->dev;
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	struct hnae3_handle *handle;
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	struct hnae3_ae_dev *ae_dev;
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	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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	handle = hns3_get_handle(ndev);
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	ae_dev = pci_get_drvdata(handle->pdev);
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
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		ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR;
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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;
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	u32 len = skb_headlen(skb);
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	u32 i;

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	len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);

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

	/* The packet is correctly received */
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	if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
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		tqp_vector->rx_group.total_packets++;
	else
		print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
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			       skb->data, len, true);
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	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++) {
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		struct hns3_enet_ring *ring = &priv->ring[i];
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		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++) {
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		struct hns3_enet_ring *ring = &priv->ring[i];
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		hns3_clean_tx_ring(ring, 0);
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	}
}

/**
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 * hns3_lp_run_test - run loopback test
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 * @ndev: net device
 * @mode: loopback type
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 *
 * Return: %0 for success or a NIC loopback test error code on failure
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 */
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;
}

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static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2])
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{
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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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	st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY;
	st_param[HNAE3_LOOP_PHY][1] =
			h->flags & HNAE3_SUPPORT_PHY_LOOPBACK;
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}

static void hns3_selftest_prepare(struct net_device *ndev,
				  bool if_running, int (*st_param)[2])
{
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct hnae3_handle *h = priv->ae_handle;

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

	hns3_set_selftest_param(h, st_param);
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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 */
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	if (h->ae_algo->ops->enable_vlan_filter &&
	    ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
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		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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}

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

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

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

static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2],
			     struct ethtool_test *eth_test, u64 *data)
{
	int test_index = 0;
	u32 i;
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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++;
	}
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}
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/**
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 * hns3_self_test - self test
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 * @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 st_param[HNS3_SELF_TEST_TYPE_NUM][2];
	bool if_running = netif_running(ndev);
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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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	hns3_selftest_prepare(ndev, if_running, st_param);
	hns3_do_selftest(ndev, st_param, eth_test, data);
	hns3_selftest_restore(ndev, if_running);
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}

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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 }
};

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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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	case ETH_SS_PRIV_FLAGS:
		return HNAE3_PFLAG_MAX;

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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 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_",
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				       prefix, i);
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			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;
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	int i;
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	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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	case ETH_SS_PRIV_FLAGS:
		for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) {
			snprintf(buff, ETH_GSTRING_LEN, "%s",
				 hns3_priv_flags[i].name);
			buff += ETH_GSTRING_LEN;
		}
		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;
549 550 551

	/* get stats for Tx */
	for (i = 0; i < kinfo->num_tqps; i++) {
552
		ring = &nic_priv->ring[i];
553 554
		for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
			stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
555 556 557 558 559 560
			*data++ = *(u64 *)stat;
		}
	}

	/* get stats for Rx */
	for (i = 0; i < kinfo->num_tqps; i++) {
561
		ring = &nic_priv->ring[i + kinfo->num_tqps];
562 563
		for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
			stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
564 565 566 567 568 569 570 571 572 573 574 575
			*data++ = *(u64 *)stat;
		}
	}

	return data;
}

/* hns3_get_stats - get detail statistics.
 * @netdev: net device
 * @stats: statistics info.
 * @data: statistics data.
 */
576 577
static void hns3_get_stats(struct net_device *netdev,
			   struct ethtool_stats *stats, u64 *data)
578
{
579
	struct hnae3_handle *h = hns3_get_handle(netdev);
580 581
	u64 *p = data;

582 583 584 585 586
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting, could not get stats\n");
		return;
	}

587 588 589 590 591
	if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
		netdev_err(netdev, "could not get any statistics\n");
		return;
	}

592
	h->ae_algo->ops->update_stats(h, &netdev->stats);
593 594 595 596 597 598 599 600 601 602 603 604 605

	/* 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;
606
	u32 fw_version;
607

608 609 610 611 612
	if (!h->ae_algo->ops->get_fw_version) {
		netdev_err(netdev, "could not get fw version!\n");
		return;
	}

613
	strncpy(drvinfo->driver, dev_driver_string(&h->pdev->dev),
614 615 616 617 618 619 620
		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';

621 622 623 624 625 626 627 628 629 630 631 632
	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));
633 634 635 636
}

static u32 hns3_get_link(struct net_device *netdev)
{
637
	struct hnae3_handle *h = hns3_get_handle(netdev);
638

639
	if (h->ae_algo->ops->get_status)
640 641 642 643 644 645
		return h->ae_algo->ops->get_status(h);
	else
		return 0;
}

static void hns3_get_ringparam(struct net_device *netdev,
646 647 648
			       struct ethtool_ringparam *param,
			       struct kernel_ethtool_ringparam *kernel_param,
			       struct netlink_ext_ack *extack)
649 650
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
651
	struct hnae3_handle *h = priv->ae_handle;
652
	int rx_queue_index = h->kinfo.num_tqps;
653

654 655 656 657 658
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting!");
		return;
	}

659 660 661
	param->tx_max_pending = HNS3_RING_MAX_PENDING;
	param->rx_max_pending = HNS3_RING_MAX_PENDING;

662
	param->tx_pending = priv->ring[0].desc_num;
663 664
	param->rx_pending = priv->ring[rx_queue_index].desc_num;
	kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size;
665 666 667 668 669
}

static void hns3_get_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *param)
{
670
	struct hnae3_handle *h = hns3_get_handle(netdev);
671 672 673 674
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);

	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
		return;
675

676
	if (h->ae_algo->ops->get_pauseparam)
677 678 679 680
		h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
			&param->rx_pause, &param->tx_pause);
}

681 682 683 684
static int hns3_set_pauseparam(struct net_device *netdev,
			       struct ethtool_pauseparam *param)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);
685 686 687 688
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);

	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
		return -EOPNOTSUPP;
689

690 691 692 693
	netif_dbg(h, drv, netdev,
		  "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
		  param->autoneg, param->rx_pause, param->tx_pause);

694 695 696 697 698 699 700
	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;
}

701 702 703 704 705 706 707 708 709 710 711 712
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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713
	/* 2.get link mode */
714 715 716 717 718 719 720 721 722 723 724
	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);
}

725 726 727
static int hns3_get_link_ksettings(struct net_device *netdev,
				   struct ethtool_link_ksettings *cmd)
{
728
	struct hnae3_handle *h = hns3_get_handle(netdev);
729
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
730
	const struct hnae3_ae_ops *ops;
731
	u8 module_type;
732
	u8 media_type;
733 734
	u8 link_stat;

735
	ops = h->ae_algo->ops;
736
	if (ops->get_media_type)
737
		ops->get_media_type(h, &media_type, &module_type);
738 739 740
	else
		return -EOPNOTSUPP;

741 742 743 744 745 746
	switch (media_type) {
	case HNAE3_MEDIA_TYPE_NONE:
		cmd->base.port = PORT_NONE;
		hns3_get_ksettings(h, cmd);
		break;
	case HNAE3_MEDIA_TYPE_FIBER:
747 748 749 750 751 752 753 754 755
		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;
756
		hns3_get_ksettings(h, cmd);
757
		break;
758 759
	case HNAE3_MEDIA_TYPE_COPPER:
		cmd->base.port = PORT_TP;
760 761 762 763
		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)
764 765 766
			hns3_get_ksettings(h, cmd);
		else
			phy_ethtool_ksettings_get(netdev->phydev, cmd);
767 768
		break;
	default:
769 770

		netdev_warn(netdev, "Unknown media type");
771 772 773
		return 0;
	}

774 775
	/* mdio_support */
	cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
776 777 778 779 780

	link_stat = hns3_get_link(netdev);
	if (!link_stat) {
		cmd->base.speed = SPEED_UNKNOWN;
		cmd->base.duplex = DUPLEX_UNKNOWN;
781 782 783 784 785
	}

	return 0;
}

786
static int hns3_check_ksettings_param(const struct net_device *netdev,
787 788 789 790 791 792 793 794 795 796 797
				      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;

798 799 800 801 802 803
	/* hw doesn't support use specified speed and duplex to negotiate,
	 * unnecessary to check them when autoneg on.
	 */
	if (cmd->base.autoneg)
		return 0;

804 805 806 807 808 809 810 811 812 813
	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);

814
	if (cmd->base.duplex == DUPLEX_HALF &&
815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831
	    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;
}

832 833 834
static int hns3_set_link_ksettings(struct net_device *netdev,
				   const struct ethtool_link_ksettings *cmd)
{
835
	struct hnae3_handle *handle = hns3_get_handle(netdev);
836
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
837
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
838
	int ret;
839 840

	/* Chip don't support this mode. */
841 842 843
	if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
		return -EINVAL;

844 845 846 847 848
	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);

849
	/* Only support ksettings_set for netdev with phy attached for now */
850 851 852 853 854
	if (netdev->phydev) {
		if (cmd->base.speed == SPEED_1000 &&
		    cmd->base.autoneg == AUTONEG_DISABLE)
			return -EINVAL;

855
		return phy_ethtool_ksettings_set(netdev->phydev, cmd);
856 857 858
	} 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);
859
	}
860

861
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
862 863 864 865 866 867 868 869 870 871 872 873
		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;
	}

874 875 876 877 878 879 880 881 882
	/* 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;
	}

883 884 885 886 887
	if (ops->cfg_mac_speed_dup_h)
		ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
					       cmd->base.duplex);

	return ret;
888 889
}

890 891
static u32 hns3_get_rss_key_size(struct net_device *netdev)
{
892
	struct hnae3_handle *h = hns3_get_handle(netdev);
893

894
	if (!h->ae_algo->ops->get_rss_key_size)
895
		return 0;
896 897 898 899 900 901

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

static u32 hns3_get_rss_indir_size(struct net_device *netdev)
{
902
	struct hnae3_handle *h = hns3_get_handle(netdev);
903
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
904

905
	return ae_dev->dev_specs.rss_ind_tbl_size;
906 907 908 909 910
}

static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
			u8 *hfunc)
{
911
	struct hnae3_handle *h = hns3_get_handle(netdev);
912

913
	if (!h->ae_algo->ops->get_rss)
914 915 916 917 918 919 920 921
		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)
{
922
	struct hnae3_handle *h = hns3_get_handle(netdev);
923
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
924

925
	if (!h->ae_algo->ops->set_rss)
926 927
		return -EOPNOTSUPP;

928
	if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
929 930 931
	     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");
932 933
		return -EOPNOTSUPP;
	}
934

935 936 937 938 939 940 941 942 943 944 945 946 947
	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)
{
948
	struct hnae3_handle *h = hns3_get_handle(netdev);
949 950 951

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
952 953
		cmd->data = h->kinfo.num_tqps;
		return 0;
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	case ETHTOOL_GRXFH:
955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970
		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;
971 972 973 974 975
	default:
		return -EOPNOTSUPP;
	}
}

976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
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 = pci_get_drvdata(h->pdev);
	const struct hnae3_ae_ops *ops = h->ae_algo->ops;
	const struct hns3_reset_type_map *rst_type_map;
	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;
			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);

	return 0;
}

1030 1031
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;

1036 1037
	h->kinfo.num_tx_desc = tx_desc_num;
	h->kinfo.num_rx_desc = rx_desc_num;
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1039
	for (i = 0; i < h->kinfo.num_tqps; i++) {
1040 1041
		priv->ring[i].desc_num = tx_desc_num;
		priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
1042
	}
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}

1045
static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
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{
1047 1048 1049
	struct hnae3_handle *handle = priv->ae_handle;
	struct hns3_enet_ring *tmp_rings;
	int i;
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1050

1051 1052 1053 1054 1055
	tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
			    sizeof(struct hns3_enet_ring), GFP_KERNEL);
	if (!tmp_rings)
		return NULL;

1056
	for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
1057
		memcpy(&tmp_rings[i], &priv->ring[i],
1058
		       sizeof(struct hns3_enet_ring));
1059 1060
		tmp_rings[i].skb = NULL;
	}
1061 1062 1063 1064 1065

	return tmp_rings;
}

static int hns3_check_ringparam(struct net_device *ndev,
1066 1067
				struct ethtool_ringparam *param,
				struct kernel_ethtool_ringparam *kernel_param)
1068
{
1069 1070
#define RX_BUF_LEN_2K 2048
#define RX_BUF_LEN_4K 4096
1071 1072 1073
	if (hns3_nic_resetting(ndev))
		return -EBUSY;

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1074 1075 1076
	if (param->rx_mini_pending || param->rx_jumbo_pending)
		return -EINVAL;

1077 1078 1079 1080 1081 1082
	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;
	}

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	if (param->tx_pending > HNS3_RING_MAX_PENDING ||
1084 1085 1086 1087 1088
	    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);
L
Lipeng 已提交
1089 1090 1091
		return -EINVAL;
	}

1092 1093 1094
	return 0;
}

1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110
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;
}

1111
static int hns3_set_ringparam(struct net_device *ndev,
1112 1113 1114
			      struct ethtool_ringparam *param,
			      struct kernel_ethtool_ringparam *kernel_param,
			      struct netlink_ext_ack *extack)
1115 1116 1117 1118 1119 1120 1121 1122
{
	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;
1123
	u32 old_rx_buf_len;
1124 1125
	int ret, i;

1126
	ret = hns3_check_ringparam(ndev, param, kernel_param);
1127 1128 1129
	if (ret)
		return ret;

L
Lipeng 已提交
1130
	/* Hardware requires that its descriptors must be multiple of eight */
1131 1132
	new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE);
	new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE);
1133 1134
	old_tx_desc_num = priv->ring[0].desc_num;
	old_rx_desc_num = priv->ring[queue_num].desc_num;
1135
	old_rx_buf_len = priv->ring[queue_num].buf_size;
1136
	if (old_tx_desc_num == new_tx_desc_num &&
1137 1138
	    old_rx_desc_num == new_rx_desc_num &&
	    kernel_param->rx_buf_len == old_rx_buf_len)
L
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1139 1140
		return 0;

1141 1142 1143 1144 1145 1146 1147
	tmp_rings = hns3_backup_ringparam(priv);
	if (!tmp_rings) {
		netdev_err(ndev,
			   "backup ring param failed by allocating memory fail\n");
		return -ENOMEM;
	}

L
Lipeng 已提交
1148
	netdev_info(ndev,
1149
		    "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %d to %d\n",
1150
		    old_tx_desc_num, old_rx_desc_num,
1151 1152
		    new_tx_desc_num, new_rx_desc_num,
		    old_rx_buf_len, kernel_param->rx_buf_len);
L
Lipeng 已提交
1153 1154

	if (if_running)
1155
		ndev->netdev_ops->ndo_stop(ndev);
L
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1156

1157
	hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num);
1158
	hns3_change_rx_buf_len(ndev, kernel_param->rx_buf_len);
1159
	ret = hns3_init_all_ring(priv);
L
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1160
	if (ret) {
1161
		netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n",
1162 1163
			   ret);

1164
		hns3_change_rx_buf_len(ndev, old_rx_buf_len);
1165 1166 1167
		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++)
1168
			memcpy(&priv->ring[i], &tmp_rings[i],
1169 1170 1171 1172
			       sizeof(struct hns3_enet_ring));
	} else {
		for (i = 0; i < h->kinfo.num_tqps * 2; i++)
			hns3_fini_ring(&tmp_rings[i]);
L
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1173 1174
	}

1175 1176
	kfree(tmp_rings);

L
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1177
	if (if_running)
1178
		ret = ndev->netdev_ops->ndo_open(ndev);
L
Lipeng 已提交
1179 1180 1181 1182

	return ret;
}

L
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1183 1184 1185 1186 1187 1188
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:
1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199
		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;
L
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1200 1201 1202 1203 1204
	default:
		return -EOPNOTSUPP;
	}
}

1205 1206
static int hns3_nway_reset(struct net_device *netdev)
{
1207 1208
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1209
	struct phy_device *phy = netdev->phydev;
1210
	int autoneg;
1211 1212 1213 1214

	if (!netif_running(netdev))
		return 0;

1215 1216 1217 1218 1219 1220
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting!");
		return -EBUSY;
	}

	if (!ops->get_autoneg || !ops->restart_autoneg)
1221 1222
		return -EOPNOTSUPP;

1223 1224 1225 1226
	autoneg = ops->get_autoneg(handle);
	if (autoneg != AUTONEG_ENABLE) {
		netdev_err(netdev,
			   "Autoneg is off, don't support to restart it\n");
1227
		return -EINVAL;
1228 1229
	}

1230 1231 1232
	netif_dbg(handle, drv, netdev,
		  "nway reset (using %s)\n", phy ? "phy" : "mac");

1233 1234 1235 1236
	if (phy)
		return genphy_restart_aneg(phy);

	return ops->restart_autoneg(handle);
1237 1238
}

1239 1240
static void hns3_get_channels(struct net_device *netdev,
			      struct ethtool_channels *ch)
1241 1242 1243 1244 1245 1246 1247
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

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

1248
static int hns3_get_coalesce(struct net_device *netdev,
1249 1250 1251
			     struct ethtool_coalesce *cmd,
			     struct kernel_ethtool_coalesce *kernel_coal,
			     struct netlink_ext_ack *extack)
1252 1253
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
1254 1255
	struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
	struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
1256 1257
	struct hnae3_handle *h = priv->ae_handle;

1258 1259 1260
	if (hns3_nic_resetting(netdev))
		return -EBUSY;

1261 1262
	cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable;
	cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable;
1263

1264 1265
	cmd->tx_coalesce_usecs = tx_coal->int_gl;
	cmd->rx_coalesce_usecs = rx_coal->int_gl;
1266 1267 1268 1269

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

1270 1271
	cmd->tx_max_coalesced_frames = tx_coal->int_ql;
	cmd->rx_max_coalesced_frames = rx_coal->int_ql;
1272

1273 1274 1275 1276 1277
	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);

1278 1279 1280
	return 0;
}

1281 1282 1283
static int hns3_check_gl_coalesce_para(struct net_device *netdev,
				       struct ethtool_coalesce *cmd)
{
1284 1285
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1286 1287
	u32 rx_gl, tx_gl;

1288
	if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1289
		netdev_err(netdev,
1290 1291
			   "invalid rx-usecs value, rx-usecs range is 0-%u\n",
			   ae_dev->dev_specs.max_int_gl);
1292 1293 1294
		return -EINVAL;
	}

1295
	if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1296
		netdev_err(netdev,
1297 1298
			   "invalid tx-usecs value, tx-usecs range is 0-%u\n",
			   ae_dev->dev_specs.max_int_gl);
1299 1300 1301
		return -EINVAL;
	}

1302 1303 1304 1305 1306 1307
	/* 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;

1308 1309 1310
	rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
	if (rx_gl != cmd->rx_coalesce_usecs) {
		netdev_info(netdev,
1311
			    "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1312 1313 1314 1315 1316 1317
			    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,
1318
			    "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345
			    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,
1346
			    "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1347 1348 1349 1350 1351 1352
			    cmd->rx_coalesce_usecs_high, rl);
	}

	return 0;
}

1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375
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 = pci_get_drvdata(handle->pdev);

	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;
}

1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394
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;
	}

1395
	return hns3_check_ql_coalesce_param(netdev, cmd);
1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406
}

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;

1407 1408
	tx_vector = priv->ring[queue].tqp_vector;
	rx_vector = priv->ring[queue_num + queue].tqp_vector;
1409

1410
	tx_vector->tx_group.coal.adapt_enable =
1411
				cmd->use_adaptive_tx_coalesce;
1412
	rx_vector->rx_group.coal.adapt_enable =
1413
				cmd->use_adaptive_rx_coalesce;
1414

1415 1416
	tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
	rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1417

1418 1419 1420
	tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
	rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;

1421 1422 1423 1424
	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);
1425 1426 1427

	hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
	hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1428 1429 1430 1431 1432 1433 1434

	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);
1435 1436 1437
}

static int hns3_set_coalesce(struct net_device *netdev,
1438 1439 1440
			     struct ethtool_coalesce *cmd,
			     struct kernel_ethtool_coalesce *kernel_coal,
			     struct netlink_ext_ack *extack)
1441 1442
{
	struct hnae3_handle *h = hns3_get_handle(netdev);
1443 1444 1445
	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;
1446
	u16 queue_num = h->kinfo.num_tqps;
1447 1448
	enum dim_cq_period_mode tx_mode;
	enum dim_cq_period_mode rx_mode;
1449 1450 1451
	int ret;
	int i;

1452 1453 1454
	if (hns3_nic_resetting(netdev))
		return -EBUSY;

1455 1456 1457 1458 1459 1460 1461
	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);

1462 1463 1464 1465 1466 1467 1468 1469 1470
	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;

1471 1472 1473
	for (i = 0; i < queue_num; i++)
		hns3_set_coalesce_per_queue(netdev, cmd, i);

1474 1475 1476 1477 1478 1479 1480 1481
	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);

1482 1483 1484
	return 0;
}

1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505
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);
}

1506 1507 1508 1509 1510
static int hns3_set_phys_id(struct net_device *netdev,
			    enum ethtool_phys_id_state state)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

1511
	if (!h->ae_algo->ops->set_led_id)
1512 1513 1514 1515 1516
		return -EOPNOTSUPP;

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

1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530
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;
}

1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571
/* 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);
1572
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1573 1574 1575 1576
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u8 fec_ability;
	u8 fec_mode;

1577
	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594
		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);
1595
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1596 1597 1598
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u32 fec_mode;

1599
	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1600 1601 1602 1603 1604
		return -EOPNOTSUPP;

	if (!ops->set_fec)
		return -EOPNOTSUPP;
	fec_mode = eth_to_loc_fec(fec->fec);
1605 1606 1607

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

1608 1609 1610
	return ops->set_fec(handle, fec_mode);
}

1611 1612 1613 1614 1615 1616
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);
1617
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1618 1619 1620 1621
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	struct hns3_sfp_type sfp_type;
	int ret;

1622 1623
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
	    !ops->get_module_eeprom)
1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666
		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);
1667
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1668 1669
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;

1670 1671
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
	    !ops->get_module_eeprom)
1672 1673 1674 1675 1676 1677 1678 1679 1680 1681
		return -EOPNOTSUPP;

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

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

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

1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728
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;
}

1729 1730 1731 1732 1733
static int hns3_get_tunable(struct net_device *netdev,
			    const struct ethtool_tunable *tuna,
			    void *data)
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
1734
	struct hnae3_handle *h = priv->ae_handle;
1735 1736 1737 1738 1739 1740 1741
	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;
1742 1743 1744
	case ETHTOOL_RX_COPYBREAK:
		*(u32 *)data = priv->rx_copybreak;
		break;
1745 1746 1747
	case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
		*(u32 *)data = h->kinfo.tx_spare_buf_size;
		break;
1748 1749 1750 1751 1752 1753 1754 1755
	default:
		ret = -EOPNOTSUPP;
		break;
	}

	return ret;
}

1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786
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;

	if (hns3_nic_resetting(netdev))
		return -EBUSY;

	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;
}

1787 1788 1789 1790 1791
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);
1792
	u32 old_tx_spare_buf_size, new_tx_spare_buf_size;
1793 1794 1795 1796 1797 1798 1799 1800 1801 1802
	struct hnae3_handle *h = priv->ae_handle;
	int i, ret = 0;

	switch (tuna->id) {
	case ETHTOOL_TX_COPYBREAK:
		priv->tx_copybreak = *(u32 *)data;

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

1803 1804 1805 1806 1807 1808 1809
		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;

1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829
		break;
	case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
		old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size;
		new_tx_spare_buf_size = *(u32 *)data;
		ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size);
		if (ret) {
			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;
		}
1830 1831 1832 1833 1834 1835 1836 1837 1838
		break;
	default:
		ret = -EOPNOTSUPP;
		break;
	}

	return ret;
}

1839 1840 1841
#define HNS3_ETHTOOL_COALESCE	(ETHTOOL_COALESCE_USECS |		\
				 ETHTOOL_COALESCE_USE_ADAPTIVE |	\
				 ETHTOOL_COALESCE_RX_USECS_HIGH |	\
1842
				 ETHTOOL_COALESCE_TX_USECS_HIGH |	\
1843 1844
				 ETHTOOL_COALESCE_MAX_FRAMES |		\
				 ETHTOOL_COALESCE_USE_CQE)
1845

1846 1847
#define HNS3_ETHTOOL_RING	ETHTOOL_RING_USE_RX_BUF_LEN

H
Huazhong Tan 已提交
1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858
static int hns3_get_ts_info(struct net_device *netdev,
			    struct 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);
}

1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923
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;
}

1924
static const struct ethtool_ops hns3vf_ethtool_ops = {
1925
	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1926
	.supported_ring_params = HNS3_ETHTOOL_RING,
1927 1928 1929 1930 1931 1932 1933
	.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,
1934
	.set_rxnfc = hns3_set_rxnfc,
1935 1936 1937 1938 1939
	.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,
1940
	.get_channels = hns3_get_channels,
1941
	.set_channels = hns3_set_channels,
1942 1943
	.get_coalesce = hns3_get_coalesce,
	.set_coalesce = hns3_set_coalesce,
1944 1945
	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
1946
	.get_link = hns3_get_link,
1947 1948
	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
1949 1950
	.get_priv_flags = hns3_get_priv_flags,
	.set_priv_flags = hns3_set_priv_flags,
1951 1952
	.get_tunable = hns3_get_tunable,
	.set_tunable = hns3_set_tunable,
1953
	.reset = hns3_set_reset,
1954 1955
};

1956
static const struct ethtool_ops hns3_ethtool_ops = {
1957
	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1958
	.supported_ring_params = HNS3_ETHTOOL_RING,
1959
	.self_test = hns3_self_test,
1960 1961 1962
	.get_drvinfo = hns3_get_drvinfo,
	.get_link = hns3_get_link,
	.get_ringparam = hns3_get_ringparam,
L
Lipeng 已提交
1963
	.set_ringparam = hns3_set_ringparam,
1964
	.get_pauseparam = hns3_get_pauseparam,
1965
	.set_pauseparam = hns3_set_pauseparam,
1966 1967 1968 1969
	.get_strings = hns3_get_strings,
	.get_ethtool_stats = hns3_get_stats,
	.get_sset_count = hns3_get_sset_count,
	.get_rxnfc = hns3_get_rxnfc,
L
Lipeng 已提交
1970
	.set_rxnfc = hns3_set_rxnfc,
1971 1972 1973 1974 1975
	.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,
1976
	.set_link_ksettings = hns3_set_link_ksettings,
1977
	.nway_reset = hns3_nway_reset,
1978
	.get_channels = hns3_get_channels,
1979
	.set_channels = hns3_set_channels,
1980
	.get_coalesce = hns3_get_coalesce,
1981
	.set_coalesce = hns3_set_coalesce,
1982 1983
	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
1984
	.set_phys_id = hns3_set_phys_id,
1985 1986
	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
1987 1988
	.get_fecparam = hns3_get_fecparam,
	.set_fecparam = hns3_set_fecparam,
1989 1990
	.get_module_info = hns3_get_module_info,
	.get_module_eeprom = hns3_get_module_eeprom,
1991 1992
	.get_priv_flags = hns3_get_priv_flags,
	.set_priv_flags = hns3_set_priv_flags,
H
Huazhong Tan 已提交
1993
	.get_ts_info = hns3_get_ts_info,
1994 1995
	.get_tunable = hns3_get_tunable,
	.set_tunable = hns3_set_tunable,
1996
	.reset = hns3_set_reset,
1997
	.get_link_ext_state = hns3_get_link_ext_state,
1998 1999 2000 2001
};

void hns3_ethtool_set_ops(struct net_device *netdev)
{
2002 2003 2004 2005 2006 2007
	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;
2008
}