hns3_ethtool.c 56.0 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("push", tx_push),
	HNS3_TQP_STAT("mem_doorbell", tx_mem_doorbell),
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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);
}

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static void hns3_update_state(struct net_device *netdev,
			      enum hns3_nic_state state, bool enable)
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);

	if (enable)
		set_bit(state, &priv->state);
	else
		clear_bit(state, &priv->state);
}

static void hns3_update_push_state(struct net_device *netdev, bool enable)
{
	hns3_update_state(netdev, HNS3_NIC_STATE_TX_PUSH_ENABLE, enable);
}

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static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = {
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	{ "limit_promisc",	hns3_update_limit_promisc_mode },
	{ "tx_push_enable",	hns3_update_push_state }
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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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	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;
549 550 551 552 553 554 555
	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;
556 557
	default:
		break;
558 559 560 561 562 563 564 565 566
	}
}

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;
567
	int i, j;
568 569 570

	/* get stats for Tx */
	for (i = 0; i < kinfo->num_tqps; i++) {
571
		ring = &nic_priv->ring[i];
572 573
		for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
			stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
574 575 576 577 578 579
			*data++ = *(u64 *)stat;
		}
	}

	/* get stats for Rx */
	for (i = 0; i < kinfo->num_tqps; i++) {
580
		ring = &nic_priv->ring[i + kinfo->num_tqps];
581 582
		for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
			stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
583 584 585 586 587 588 589 590 591 592 593 594
			*data++ = *(u64 *)stat;
		}
	}

	return data;
}

/* hns3_get_stats - get detail statistics.
 * @netdev: net device
 * @stats: statistics info.
 * @data: statistics data.
 */
595 596
static void hns3_get_stats(struct net_device *netdev,
			   struct ethtool_stats *stats, u64 *data)
597
{
598
	struct hnae3_handle *h = hns3_get_handle(netdev);
599 600
	u64 *p = data;

601 602 603 604 605
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting, could not get stats\n");
		return;
	}

606 607 608 609 610
	if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
		netdev_err(netdev, "could not get any statistics\n");
		return;
	}

611
	h->ae_algo->ops->update_stats(h, &netdev->stats);
612 613 614 615 616 617 618 619 620 621 622 623 624

	/* 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;
625
	u32 fw_version;
626

627 628 629 630 631
	if (!h->ae_algo->ops->get_fw_version) {
		netdev_err(netdev, "could not get fw version!\n");
		return;
	}

632
	strncpy(drvinfo->driver, dev_driver_string(&h->pdev->dev),
633 634 635 636 637 638 639
		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';

640 641 642 643 644 645 646 647 648 649 650 651
	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));
652 653 654 655
}

static u32 hns3_get_link(struct net_device *netdev)
{
656
	struct hnae3_handle *h = hns3_get_handle(netdev);
657

658
	if (h->ae_algo->ops->get_status)
659 660 661 662 663 664
		return h->ae_algo->ops->get_status(h);
	else
		return 0;
}

static void hns3_get_ringparam(struct net_device *netdev,
665 666 667
			       struct ethtool_ringparam *param,
			       struct kernel_ethtool_ringparam *kernel_param,
			       struct netlink_ext_ack *extack)
668 669
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
670
	struct hnae3_handle *h = priv->ae_handle;
671
	int rx_queue_index = h->kinfo.num_tqps;
672

673 674
	if (hns3_nic_resetting(netdev) || !priv->ring) {
		netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n");
675 676 677
		return;
	}

678 679 680
	param->tx_max_pending = HNS3_RING_MAX_PENDING;
	param->rx_max_pending = HNS3_RING_MAX_PENDING;

681
	param->tx_pending = priv->ring[0].desc_num;
682 683
	param->rx_pending = priv->ring[rx_queue_index].desc_num;
	kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size;
684 685 686 687 688
}

static void hns3_get_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *param)
{
689
	struct hnae3_handle *h = hns3_get_handle(netdev);
690 691 692 693
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);

	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
		return;
694

695
	if (h->ae_algo->ops->get_pauseparam)
696 697 698 699
		h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
			&param->rx_pause, &param->tx_pause);
}

700 701 702 703
static int hns3_set_pauseparam(struct net_device *netdev,
			       struct ethtool_pauseparam *param)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);
704 705 706 707
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);

	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
		return -EOPNOTSUPP;
708

709 710 711 712
	netif_dbg(h, drv, netdev,
		  "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
		  param->autoneg, param->rx_pause, param->tx_pause);

713 714 715 716 717 718 719
	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;
}

720 721 722 723 724 725 726 727 728 729 730 731
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 */
733 734 735 736 737 738 739 740 741 742 743
	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);
}

744 745 746
static int hns3_get_link_ksettings(struct net_device *netdev,
				   struct ethtool_link_ksettings *cmd)
{
747
	struct hnae3_handle *h = hns3_get_handle(netdev);
748
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
749
	const struct hnae3_ae_ops *ops;
750
	u8 module_type;
751
	u8 media_type;
752 753
	u8 link_stat;

754
	ops = h->ae_algo->ops;
755
	if (ops->get_media_type)
756
		ops->get_media_type(h, &media_type, &module_type);
757 758 759
	else
		return -EOPNOTSUPP;

760 761 762 763 764 765
	switch (media_type) {
	case HNAE3_MEDIA_TYPE_NONE:
		cmd->base.port = PORT_NONE;
		hns3_get_ksettings(h, cmd);
		break;
	case HNAE3_MEDIA_TYPE_FIBER:
766 767 768 769 770 771 772 773 774
		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;
775
		hns3_get_ksettings(h, cmd);
776
		break;
777 778
	case HNAE3_MEDIA_TYPE_COPPER:
		cmd->base.port = PORT_TP;
779 780 781 782
		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)
783 784 785
			hns3_get_ksettings(h, cmd);
		else
			phy_ethtool_ksettings_get(netdev->phydev, cmd);
786 787
		break;
	default:
788 789

		netdev_warn(netdev, "Unknown media type");
790 791 792
		return 0;
	}

793 794
	/* mdio_support */
	cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
795 796 797 798 799

	link_stat = hns3_get_link(netdev);
	if (!link_stat) {
		cmd->base.speed = SPEED_UNKNOWN;
		cmd->base.duplex = DUPLEX_UNKNOWN;
800 801 802 803 804
	}

	return 0;
}

805
static int hns3_check_ksettings_param(const struct net_device *netdev,
806 807 808 809 810 811 812 813 814 815 816
				      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;

817 818 819 820 821 822
	/* hw doesn't support use specified speed and duplex to negotiate,
	 * unnecessary to check them when autoneg on.
	 */
	if (cmd->base.autoneg)
		return 0;

823 824 825 826 827 828 829 830 831 832
	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);

833
	if (cmd->base.duplex == DUPLEX_HALF &&
834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850
	    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;
}

851 852 853
static int hns3_set_link_ksettings(struct net_device *netdev,
				   const struct ethtool_link_ksettings *cmd)
{
854
	struct hnae3_handle *handle = hns3_get_handle(netdev);
855
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
856
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
857
	int ret;
858 859

	/* Chip don't support this mode. */
860 861 862
	if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
		return -EINVAL;

863 864 865 866 867
	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);

868
	/* Only support ksettings_set for netdev with phy attached for now */
869 870 871 872 873
	if (netdev->phydev) {
		if (cmd->base.speed == SPEED_1000 &&
		    cmd->base.autoneg == AUTONEG_DISABLE)
			return -EINVAL;

874
		return phy_ethtool_ksettings_set(netdev->phydev, cmd);
875 876 877
	} 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);
878
	}
879

880
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
881 882 883 884 885 886 887 888 889 890 891 892
		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;
	}

893 894 895 896 897 898 899 900 901
	/* 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;
	}

902 903 904 905 906
	if (ops->cfg_mac_speed_dup_h)
		ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
					       cmd->base.duplex);

	return ret;
907 908
}

909 910
static u32 hns3_get_rss_key_size(struct net_device *netdev)
{
911
	struct hnae3_handle *h = hns3_get_handle(netdev);
912

913
	if (!h->ae_algo->ops->get_rss_key_size)
914
		return 0;
915 916 917 918 919 920

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

static u32 hns3_get_rss_indir_size(struct net_device *netdev)
{
921
	struct hnae3_handle *h = hns3_get_handle(netdev);
922
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
923

924
	return ae_dev->dev_specs.rss_ind_tbl_size;
925 926 927 928 929
}

static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
			u8 *hfunc)
{
930
	struct hnae3_handle *h = hns3_get_handle(netdev);
931

932
	if (!h->ae_algo->ops->get_rss)
933 934 935 936 937 938 939 940
		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)
{
941
	struct hnae3_handle *h = hns3_get_handle(netdev);
942
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
943

944
	if (!h->ae_algo->ops->set_rss)
945 946
		return -EOPNOTSUPP;

947
	if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
948 949 950
	     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");
951 952
		return -EOPNOTSUPP;
	}
953

954 955 956 957 958 959 960 961 962 963 964 965 966
	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)
{
967
	struct hnae3_handle *h = hns3_get_handle(netdev);
968 969 970

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
971 972
		cmd->data = h->kinfo.num_tqps;
		return 0;
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	case ETHTOOL_GRXFH:
974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989
		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;
990 991 992 993 994
	default:
		return -EOPNOTSUPP;
	}
}

995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011
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;
1012
	enum ethtool_reset_flags rst_flags;
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031
	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;
1032
			rst_flags = rst_type_map[i].rst_flags;
1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047
			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);

1048 1049
	*flags &= ~rst_flags;

1050 1051 1052
	return 0;
}

1053 1054
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;

1059 1060
	h->kinfo.num_tx_desc = tx_desc_num;
	h->kinfo.num_rx_desc = rx_desc_num;
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1061

1062
	for (i = 0; i < h->kinfo.num_tqps; i++) {
1063 1064
		priv->ring[i].desc_num = tx_desc_num;
		priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
1065
	}
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1066 1067
}

1068
static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
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1069
{
1070 1071 1072
	struct hnae3_handle *handle = priv->ae_handle;
	struct hns3_enet_ring *tmp_rings;
	int i;
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1073

1074 1075 1076 1077 1078
	tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
			    sizeof(struct hns3_enet_ring), GFP_KERNEL);
	if (!tmp_rings)
		return NULL;

1079
	for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
1080
		memcpy(&tmp_rings[i], &priv->ring[i],
1081
		       sizeof(struct hns3_enet_ring));
1082 1083
		tmp_rings[i].skb = NULL;
	}
1084 1085 1086 1087 1088

	return tmp_rings;
}

static int hns3_check_ringparam(struct net_device *ndev,
1089 1090
				struct ethtool_ringparam *param,
				struct kernel_ethtool_ringparam *kernel_param)
1091
{
1092 1093
#define RX_BUF_LEN_2K 2048
#define RX_BUF_LEN_4K 4096
1094 1095 1096 1097 1098

	struct hns3_nic_priv *priv = netdev_priv(ndev);

	if (hns3_nic_resetting(ndev) || !priv->ring) {
		netdev_err(ndev, "failed to set ringparam value, due to dev resetting or uninited\n");
1099
		return -EBUSY;
1100 1101
	}

1102

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1103 1104 1105
	if (param->rx_mini_pending || param->rx_jumbo_pending)
		return -EINVAL;

1106 1107 1108 1109 1110 1111
	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 ||
1113 1114 1115 1116 1117
	    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;
	}

1121 1122 1123
	return 0;
}

1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153
static bool
hns3_is_ringparam_changed(struct net_device *ndev,
			  struct ethtool_ringparam *param,
			  struct kernel_ethtool_ringparam *kernel_param,
			  struct hns3_ring_param *old_ringparam,
			  struct hns3_ring_param *new_ringparam)
{
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct hnae3_handle *h = priv->ae_handle;
	u16 queue_num = h->kinfo.num_tqps;

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

	if (old_ringparam->tx_desc_num == new_ringparam->tx_desc_num &&
	    old_ringparam->rx_desc_num == new_ringparam->rx_desc_num &&
	    old_ringparam->rx_buf_len == new_ringparam->rx_buf_len) {
		netdev_info(ndev, "ringparam not changed\n");
		return false;
	}

	return true;
}

1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169
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;
}

1170
static int hns3_set_ringparam(struct net_device *ndev,
1171 1172 1173
			      struct ethtool_ringparam *param,
			      struct kernel_ethtool_ringparam *kernel_param,
			      struct netlink_ext_ack *extack)
1174
{
1175
	struct hns3_ring_param old_ringparam, new_ringparam;
1176 1177 1178 1179 1180 1181
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct hnae3_handle *h = priv->ae_handle;
	struct hns3_enet_ring *tmp_rings;
	bool if_running = netif_running(ndev);
	int ret, i;

1182
	ret = hns3_check_ringparam(ndev, param, kernel_param);
1183 1184 1185
	if (ret)
		return ret;

1186 1187
	if (!hns3_is_ringparam_changed(ndev, param, kernel_param,
				       &old_ringparam, &new_ringparam))
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		return 0;

1190 1191 1192 1193 1194 1195 1196
	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,
1198 1199 1200 1201
		    "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %u to %u\n",
		    old_ringparam.tx_desc_num, old_ringparam.rx_desc_num,
		    new_ringparam.tx_desc_num, new_ringparam.rx_desc_num,
		    old_ringparam.rx_buf_len, new_ringparam.rx_buf_len);
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1202 1203

	if (if_running)
1204
		ndev->netdev_ops->ndo_stop(ndev);
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1206 1207 1208
	hns3_change_all_ring_bd_num(priv, new_ringparam.tx_desc_num,
				    new_ringparam.rx_desc_num);
	hns3_change_rx_buf_len(ndev, new_ringparam.rx_buf_len);
1209
	ret = hns3_init_all_ring(priv);
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1210
	if (ret) {
1211
		netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n",
1212 1213
			   ret);

1214 1215 1216
		hns3_change_rx_buf_len(ndev, old_ringparam.rx_buf_len);
		hns3_change_all_ring_bd_num(priv, old_ringparam.tx_desc_num,
					    old_ringparam.rx_desc_num);
1217
		for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1218
			memcpy(&priv->ring[i], &tmp_rings[i],
1219 1220 1221 1222
			       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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1223 1224
	}

1225 1226
	kfree(tmp_rings);

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1227
	if (if_running)
1228
		ret = ndev->netdev_ops->ndo_open(ndev);
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1229 1230 1231 1232

	return ret;
}

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1233 1234 1235 1236 1237 1238
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:
1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249
		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;
	}
}

1255 1256
static int hns3_nway_reset(struct net_device *netdev)
{
1257 1258
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1259
	struct phy_device *phy = netdev->phydev;
1260
	int autoneg;
1261 1262 1263 1264

	if (!netif_running(netdev))
		return 0;

1265 1266 1267 1268 1269 1270
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting!");
		return -EBUSY;
	}

	if (!ops->get_autoneg || !ops->restart_autoneg)
1271 1272
		return -EOPNOTSUPP;

1273 1274 1275 1276
	autoneg = ops->get_autoneg(handle);
	if (autoneg != AUTONEG_ENABLE) {
		netdev_err(netdev,
			   "Autoneg is off, don't support to restart it\n");
1277
		return -EINVAL;
1278 1279
	}

1280 1281 1282
	netif_dbg(handle, drv, netdev,
		  "nway reset (using %s)\n", phy ? "phy" : "mac");

1283 1284 1285 1286
	if (phy)
		return genphy_restart_aneg(phy);

	return ops->restart_autoneg(handle);
1287 1288
}

1289 1290
static void hns3_get_channels(struct net_device *netdev,
			      struct ethtool_channels *ch)
1291 1292 1293 1294 1295 1296 1297
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

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

1298
static int hns3_get_coalesce(struct net_device *netdev,
1299 1300 1301
			     struct ethtool_coalesce *cmd,
			     struct kernel_ethtool_coalesce *kernel_coal,
			     struct netlink_ext_ack *extack)
1302 1303
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
1304 1305
	struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
	struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
1306 1307
	struct hnae3_handle *h = priv->ae_handle;

1308 1309 1310
	if (hns3_nic_resetting(netdev))
		return -EBUSY;

1311 1312
	cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable;
	cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable;
1313

1314 1315
	cmd->tx_coalesce_usecs = tx_coal->int_gl;
	cmd->rx_coalesce_usecs = rx_coal->int_gl;
1316 1317 1318 1319

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

1320 1321
	cmd->tx_max_coalesced_frames = tx_coal->int_ql;
	cmd->rx_max_coalesced_frames = rx_coal->int_ql;
1322

1323 1324 1325 1326 1327
	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);

1328 1329 1330
	return 0;
}

1331 1332 1333
static int hns3_check_gl_coalesce_para(struct net_device *netdev,
				       struct ethtool_coalesce *cmd)
{
1334 1335
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1336 1337
	u32 rx_gl, tx_gl;

1338
	if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1339
		netdev_err(netdev,
1340 1341
			   "invalid rx-usecs value, rx-usecs range is 0-%u\n",
			   ae_dev->dev_specs.max_int_gl);
1342 1343 1344
		return -EINVAL;
	}

1345
	if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1346
		netdev_err(netdev,
1347 1348
			   "invalid tx-usecs value, tx-usecs range is 0-%u\n",
			   ae_dev->dev_specs.max_int_gl);
1349 1350 1351
		return -EINVAL;
	}

1352 1353 1354 1355 1356 1357
	/* 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;

1358 1359 1360
	rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
	if (rx_gl != cmd->rx_coalesce_usecs) {
		netdev_info(netdev,
1361
			    "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1362 1363 1364 1365 1366 1367
			    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,
1368
			    "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395
			    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,
1396
			    "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1397 1398 1399 1400 1401 1402
			    cmd->rx_coalesce_usecs_high, rl);
	}

	return 0;
}

1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425
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;
}

1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445
static int
hns3_check_cqe_coalesce_param(struct net_device *netdev,
			      struct kernel_ethtool_coalesce *kernel_coal)
{
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);

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

	return 0;
}

static int
hns3_check_coalesce_para(struct net_device *netdev,
			 struct ethtool_coalesce *cmd,
			 struct kernel_ethtool_coalesce *kernel_coal)
1446 1447 1448
{
	int ret;

1449 1450 1451 1452
	ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal);
	if (ret)
		return ret;

1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466
	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;
	}

1467
	return hns3_check_ql_coalesce_param(netdev, cmd);
1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478
}

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;

1479 1480
	tx_vector = priv->ring[queue].tqp_vector;
	rx_vector = priv->ring[queue_num + queue].tqp_vector;
1481

1482
	tx_vector->tx_group.coal.adapt_enable =
1483
				cmd->use_adaptive_tx_coalesce;
1484
	rx_vector->rx_group.coal.adapt_enable =
1485
				cmd->use_adaptive_rx_coalesce;
1486

1487 1488
	tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
	rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1489

1490 1491 1492
	tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
	rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;

1493 1494 1495 1496
	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);
1497 1498 1499

	hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
	hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1500 1501 1502 1503 1504 1505 1506

	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);
1507 1508 1509
}

static int hns3_set_coalesce(struct net_device *netdev,
1510 1511 1512
			     struct ethtool_coalesce *cmd,
			     struct kernel_ethtool_coalesce *kernel_coal,
			     struct netlink_ext_ack *extack)
1513 1514
{
	struct hnae3_handle *h = hns3_get_handle(netdev);
1515 1516 1517
	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;
1518
	u16 queue_num = h->kinfo.num_tqps;
1519 1520
	enum dim_cq_period_mode tx_mode;
	enum dim_cq_period_mode rx_mode;
1521 1522 1523
	int ret;
	int i;

1524 1525 1526
	if (hns3_nic_resetting(netdev))
		return -EBUSY;

1527
	ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal);
1528 1529 1530 1531 1532 1533
	if (ret)
		return ret;

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

1534 1535 1536 1537 1538 1539 1540 1541 1542
	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;

1543 1544 1545
	for (i = 0; i < queue_num; i++)
		hns3_set_coalesce_per_queue(netdev, cmd, i);

1546 1547 1548 1549 1550 1551 1552 1553
	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);

1554 1555 1556
	return 0;
}

1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577
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);
}

1578 1579 1580 1581 1582
static int hns3_set_phys_id(struct net_device *netdev,
			    enum ethtool_phys_id_state state)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

1583
	if (!h->ae_algo->ops->set_led_id)
1584 1585 1586 1587 1588
		return -EOPNOTSUPP;

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

1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602
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;
}

1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643
/* 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);
1644
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1645 1646 1647 1648
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u8 fec_ability;
	u8 fec_mode;

1649
	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666
		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);
1667
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1668 1669 1670
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u32 fec_mode;

1671
	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1672 1673 1674 1675 1676
		return -EOPNOTSUPP;

	if (!ops->set_fec)
		return -EOPNOTSUPP;
	fec_mode = eth_to_loc_fec(fec->fec);
1677 1678 1679

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

1680 1681 1682
	return ops->set_fec(handle, fec_mode);
}

1683 1684 1685 1686 1687 1688
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);
1689
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1690 1691 1692 1693
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	struct hns3_sfp_type sfp_type;
	int ret;

1694 1695
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
	    !ops->get_module_eeprom)
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 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738
		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);
1739
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1740 1741
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;

1742 1743
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
	    !ops->get_module_eeprom)
1744 1745 1746 1747 1748 1749 1750 1751 1752 1753
		return -EOPNOTSUPP;

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

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

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

1754 1755 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 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800
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;
}

1801 1802 1803 1804 1805
static int hns3_get_tunable(struct net_device *netdev,
			    const struct ethtool_tunable *tuna,
			    void *data)
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
1806
	struct hnae3_handle *h = priv->ae_handle;
1807 1808 1809 1810 1811 1812 1813
	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;
1814 1815 1816
	case ETHTOOL_RX_COPYBREAK:
		*(u32 *)data = priv->rx_copybreak;
		break;
1817 1818 1819
	case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
		*(u32 *)data = h->kinfo.tx_spare_buf_size;
		break;
1820 1821 1822 1823 1824 1825 1826 1827
	default:
		ret = -EOPNOTSUPP;
		break;
	}

	return ret;
}

1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855
static int hns3_set_tx_spare_buf_size(struct net_device *netdev,
				      u32 data)
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
	struct hnae3_handle *h = priv->ae_handle;
	int ret;

	h->kinfo.tx_spare_buf_size = data;

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

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

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

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

	return ret;
}

1856 1857 1858 1859 1860
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);
1861
	u32 old_tx_spare_buf_size, new_tx_spare_buf_size;
1862 1863 1864
	struct hnae3_handle *h = priv->ae_handle;
	int i, ret = 0;

1865 1866 1867 1868 1869
	if (hns3_nic_resetting(netdev) || !priv->ring) {
		netdev_err(netdev, "failed to set tunable value, dev resetting!");
		return -EBUSY;
	}

1870 1871 1872 1873 1874 1875 1876
	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;

1877 1878 1879 1880 1881 1882 1883
		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;

1884 1885 1886 1887
		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;
1888 1889
		netdev_info(netdev, "request to set tx spare buf size from %u to %u\n",
			    old_tx_spare_buf_size, new_tx_spare_buf_size);
1890
		ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size);
1891 1892
		if (ret ||
		    (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) {
1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906
			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;
		}
1907 1908 1909 1910

		netdev_info(netdev, "the actvie tx spare buf size is %u, due to page order\n",
			    priv->ring->tx_spare->len);

1911 1912 1913 1914 1915 1916 1917 1918 1919
		break;
	default:
		ret = -EOPNOTSUPP;
		break;
	}

	return ret;
}

1920 1921 1922
#define HNS3_ETHTOOL_COALESCE	(ETHTOOL_COALESCE_USECS |		\
				 ETHTOOL_COALESCE_USE_ADAPTIVE |	\
				 ETHTOOL_COALESCE_RX_USECS_HIGH |	\
1923
				 ETHTOOL_COALESCE_TX_USECS_HIGH |	\
1924 1925
				 ETHTOOL_COALESCE_MAX_FRAMES |		\
				 ETHTOOL_COALESCE_USE_CQE)
1926

1927 1928
#define HNS3_ETHTOOL_RING	ETHTOOL_RING_USE_RX_BUF_LEN

H
Huazhong Tan 已提交
1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939
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);
}

1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
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;
}

2005
static const struct ethtool_ops hns3vf_ethtool_ops = {
2006
	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
2007
	.supported_ring_params = HNS3_ETHTOOL_RING,
2008 2009 2010 2011 2012 2013 2014
	.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,
2015
	.set_rxnfc = hns3_set_rxnfc,
2016 2017 2018 2019 2020
	.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,
2021
	.get_channels = hns3_get_channels,
2022
	.set_channels = hns3_set_channels,
2023 2024
	.get_coalesce = hns3_get_coalesce,
	.set_coalesce = hns3_set_coalesce,
2025 2026
	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
2027
	.get_link = hns3_get_link,
2028 2029
	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
2030 2031
	.get_priv_flags = hns3_get_priv_flags,
	.set_priv_flags = hns3_set_priv_flags,
2032 2033
	.get_tunable = hns3_get_tunable,
	.set_tunable = hns3_set_tunable,
2034
	.reset = hns3_set_reset,
2035 2036
};

2037
static const struct ethtool_ops hns3_ethtool_ops = {
2038
	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
2039
	.supported_ring_params = HNS3_ETHTOOL_RING,
2040
	.self_test = hns3_self_test,
2041 2042 2043
	.get_drvinfo = hns3_get_drvinfo,
	.get_link = hns3_get_link,
	.get_ringparam = hns3_get_ringparam,
L
Lipeng 已提交
2044
	.set_ringparam = hns3_set_ringparam,
2045
	.get_pauseparam = hns3_get_pauseparam,
2046
	.set_pauseparam = hns3_set_pauseparam,
2047 2048 2049 2050
	.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
2051
	.set_rxnfc = hns3_set_rxnfc,
2052 2053 2054 2055 2056
	.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,
2057
	.set_link_ksettings = hns3_set_link_ksettings,
2058
	.nway_reset = hns3_nway_reset,
2059
	.get_channels = hns3_get_channels,
2060
	.set_channels = hns3_set_channels,
2061
	.get_coalesce = hns3_get_coalesce,
2062
	.set_coalesce = hns3_set_coalesce,
2063 2064
	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
2065
	.set_phys_id = hns3_set_phys_id,
2066 2067
	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
2068 2069
	.get_fecparam = hns3_get_fecparam,
	.set_fecparam = hns3_set_fecparam,
2070 2071
	.get_module_info = hns3_get_module_info,
	.get_module_eeprom = hns3_get_module_eeprom,
2072 2073
	.get_priv_flags = hns3_get_priv_flags,
	.set_priv_flags = hns3_set_priv_flags,
H
Huazhong Tan 已提交
2074
	.get_ts_info = hns3_get_ts_info,
2075 2076
	.get_tunable = hns3_get_tunable,
	.set_tunable = hns3_set_tunable,
2077
	.reset = hns3_set_reset,
2078
	.get_link_ext_state = hns3_get_link_ext_state,
2079 2080 2081 2082
};

void hns3_ethtool_set_ops(struct net_device *netdev)
{
2083 2084 2085 2086 2087 2088
	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;
2089
}