hns3_ethtool.c 57.5 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("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_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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	case HNAE3_LOOP_EXTERNAL:
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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_EXTERNAL][0] = HNAE3_LOOP_EXTERNAL;
	st_param[HNAE3_LOOP_EXTERNAL][1] =
			h->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK;

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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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}

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

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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);
}

static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2],
			     struct ethtool_test *eth_test, u64 *data)
{
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	int test_index = HNAE3_LOOP_APP;
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	u32 i;
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	for (i = HNAE3_LOOP_APP; i < HNAE3_LOOP_NONE; 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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static void hns3_do_external_lb(struct net_device *ndev,
				struct ethtool_test *eth_test, u64 *data)
{
	data[HNAE3_LOOP_EXTERNAL] = hns3_lp_up(ndev, HNAE3_LOOP_EXTERNAL);
	if (!data[HNAE3_LOOP_EXTERNAL])
		data[HNAE3_LOOP_EXTERNAL] = hns3_lp_run_test(ndev, HNAE3_LOOP_EXTERNAL);
	hns3_lp_down(ndev, HNAE3_LOOP_EXTERNAL);

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

	eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
}

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/**
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Huazhong Tan 已提交
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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)
{
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	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct hnae3_handle *h = priv->ae_handle;
	int st_param[HNAE3_LOOP_NONE][2];
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	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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	if (!(eth_test->flags & ETH_TEST_FL_OFFLINE))
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		return;
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	if (netif_msg_ifdown(h))
		netdev_info(ndev, "self test start\n");

	hns3_set_selftest_param(h, st_param);

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

	hns3_selftest_prepare(ndev, if_running);
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	hns3_do_selftest(ndev, st_param, eth_test, data);
	hns3_selftest_restore(ndev, if_running);
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	if (netif_msg_ifdown(h))
		netdev_info(ndev, "self test end\n");
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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_fd_qb_state(struct net_device *netdev, bool enable)
{
	struct hnae3_handle *handle = hns3_get_handle(netdev);

	if (!handle->ae_algo->ops->request_flush_qb_config)
		return;

	handle->ae_algo->ops->request_flush_qb_config(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 },
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	{ "tx_push_enable",	hns3_update_push_state },
	{ "qb_enable",		hns3_update_fd_qb_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 */
539
			n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_",
540
				       prefix, i);
541 542 543 544 545 546 547 548 549 550 551 552 553 554
			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;
555 556
	const char tx_prefix[] = "txq";
	const char rx_prefix[] = "rxq";
557 558 559

	/* get strings for Tx */
	data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
560
				   kinfo->num_tqps, tx_prefix);
561 562 563

	/* get strings for Rx */
	data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
564
				   kinfo->num_tqps, rx_prefix);
565 566 567 568 569 570

	return data;
}

static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
571
	struct hnae3_handle *h = hns3_get_handle(netdev);
572 573
	const struct hnae3_ae_ops *ops = h->ae_algo->ops;
	char *buff = (char *)data;
574
	int i;
575 576 577 578 579 580 581

	if (!ops->get_strings)
		return;

	switch (stringset) {
	case ETH_SS_STATS:
		buff = hns3_get_strings_tqps(h, buff);
582
		ops->get_strings(h, stringset, (u8 *)buff);
583 584 585 586
		break;
	case ETH_SS_TEST:
		ops->get_strings(h, stringset, data);
		break;
587 588 589 590 591 592 593
	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;
594 595
	default:
		break;
596 597 598 599 600 601 602 603 604
	}
}

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;
605
	int i, j;
606 607 608

	/* get stats for Tx */
	for (i = 0; i < kinfo->num_tqps; i++) {
609
		ring = &nic_priv->ring[i];
610 611
		for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
			stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
612 613 614 615 616 617
			*data++ = *(u64 *)stat;
		}
	}

	/* get stats for Rx */
	for (i = 0; i < kinfo->num_tqps; i++) {
618
		ring = &nic_priv->ring[i + kinfo->num_tqps];
619 620
		for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
			stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
621 622 623 624 625 626 627 628 629 630 631 632
			*data++ = *(u64 *)stat;
		}
	}

	return data;
}

/* hns3_get_stats - get detail statistics.
 * @netdev: net device
 * @stats: statistics info.
 * @data: statistics data.
 */
633 634
static void hns3_get_stats(struct net_device *netdev,
			   struct ethtool_stats *stats, u64 *data)
635
{
636
	struct hnae3_handle *h = hns3_get_handle(netdev);
637 638
	u64 *p = data;

639 640 641 642 643
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting, could not get stats\n");
		return;
	}

644 645 646 647 648
	if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
		netdev_err(netdev, "could not get any statistics\n");
		return;
	}

649
	h->ae_algo->ops->update_stats(h, &netdev->stats);
650 651 652 653 654 655 656 657 658 659 660 661 662

	/* 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;
663
	u32 fw_version;
664

665 666 667 668 669
	if (!h->ae_algo->ops->get_fw_version) {
		netdev_err(netdev, "could not get fw version!\n");
		return;
	}

670
	strncpy(drvinfo->driver, dev_driver_string(&h->pdev->dev),
671 672 673 674 675 676 677
		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';

678 679 680 681 682 683 684 685 686 687 688 689
	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));
690 691 692 693
}

static u32 hns3_get_link(struct net_device *netdev)
{
694
	struct hnae3_handle *h = hns3_get_handle(netdev);
695

696
	if (h->ae_algo->ops->get_status)
697 698 699 700 701 702
		return h->ae_algo->ops->get_status(h);
	else
		return 0;
}

static void hns3_get_ringparam(struct net_device *netdev,
703 704 705
			       struct ethtool_ringparam *param,
			       struct kernel_ethtool_ringparam *kernel_param,
			       struct netlink_ext_ack *extack)
706 707
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
708
	struct hnae3_handle *h = priv->ae_handle;
709
	int rx_queue_index = h->kinfo.num_tqps;
710

711 712
	if (hns3_nic_resetting(netdev) || !priv->ring) {
		netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n");
713 714 715
		return;
	}

716 717 718
	param->tx_max_pending = HNS3_RING_MAX_PENDING;
	param->rx_max_pending = HNS3_RING_MAX_PENDING;

719
	param->tx_pending = priv->ring[0].desc_num;
720 721
	param->rx_pending = priv->ring[rx_queue_index].desc_num;
	kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size;
722 723 724 725 726
}

static void hns3_get_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *param)
{
727
	struct hnae3_handle *h = hns3_get_handle(netdev);
728 729 730 731
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);

	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
		return;
732

733
	if (h->ae_algo->ops->get_pauseparam)
734 735 736 737
		h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
			&param->rx_pause, &param->tx_pause);
}

738 739 740 741
static int hns3_set_pauseparam(struct net_device *netdev,
			       struct ethtool_pauseparam *param)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);
742 743 744 745
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);

	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
		return -EOPNOTSUPP;
746

747 748 749 750
	netif_dbg(h, drv, netdev,
		  "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
		  param->autoneg, param->rx_pause, param->tx_pause);

751 752 753 754 755 756 757
	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;
}

758 759 760 761 762 763 764 765 766 767 768 769
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);

G
Guojia Liao 已提交
770
	/* 2.get link mode */
771 772 773 774 775 776 777 778 779 780 781
	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);
}

782 783 784
static int hns3_get_link_ksettings(struct net_device *netdev,
				   struct ethtool_link_ksettings *cmd)
{
785
	struct hnae3_handle *h = hns3_get_handle(netdev);
786
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
787
	const struct hnae3_ae_ops *ops;
788
	u8 module_type;
789
	u8 media_type;
790 791
	u8 link_stat;

792
	ops = h->ae_algo->ops;
793
	if (ops->get_media_type)
794
		ops->get_media_type(h, &media_type, &module_type);
795 796 797
	else
		return -EOPNOTSUPP;

798 799 800 801 802 803
	switch (media_type) {
	case HNAE3_MEDIA_TYPE_NONE:
		cmd->base.port = PORT_NONE;
		hns3_get_ksettings(h, cmd);
		break;
	case HNAE3_MEDIA_TYPE_FIBER:
804 805 806 807 808 809 810 811 812
		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;
813
		hns3_get_ksettings(h, cmd);
814
		break;
815 816
	case HNAE3_MEDIA_TYPE_COPPER:
		cmd->base.port = PORT_TP;
817 818 819 820
		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)
821 822 823
			hns3_get_ksettings(h, cmd);
		else
			phy_ethtool_ksettings_get(netdev->phydev, cmd);
824 825
		break;
	default:
826 827

		netdev_warn(netdev, "Unknown media type");
828 829 830
		return 0;
	}

831 832
	/* mdio_support */
	cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
833 834 835 836 837

	link_stat = hns3_get_link(netdev);
	if (!link_stat) {
		cmd->base.speed = SPEED_UNKNOWN;
		cmd->base.duplex = DUPLEX_UNKNOWN;
838 839 840 841 842
	}

	return 0;
}

843
static int hns3_check_ksettings_param(const struct net_device *netdev,
844 845 846 847 848 849 850 851 852 853 854
				      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;

855 856 857 858 859 860
	/* hw doesn't support use specified speed and duplex to negotiate,
	 * unnecessary to check them when autoneg on.
	 */
	if (cmd->base.autoneg)
		return 0;

861 862 863 864 865 866 867 868 869 870
	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);

871
	if (cmd->base.duplex == DUPLEX_HALF &&
872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888
	    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;
}

889 890 891
static int hns3_set_link_ksettings(struct net_device *netdev,
				   const struct ethtool_link_ksettings *cmd)
{
892
	struct hnae3_handle *handle = hns3_get_handle(netdev);
893
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
894
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
895
	int ret;
896 897

	/* Chip don't support this mode. */
898 899 900
	if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
		return -EINVAL;

901 902 903 904 905
	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);

906
	/* Only support ksettings_set for netdev with phy attached for now */
907 908 909 910 911
	if (netdev->phydev) {
		if (cmd->base.speed == SPEED_1000 &&
		    cmd->base.autoneg == AUTONEG_DISABLE)
			return -EINVAL;

912
		return phy_ethtool_ksettings_set(netdev->phydev, cmd);
913 914 915
	} 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);
916
	}
917

918
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
919 920 921 922 923 924 925 926 927 928 929 930
		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;
	}

931 932 933 934 935 936 937 938 939
	/* 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;
	}

940 941 942 943 944
	if (ops->cfg_mac_speed_dup_h)
		ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
					       cmd->base.duplex);

	return ret;
945 946
}

947 948
static u32 hns3_get_rss_key_size(struct net_device *netdev)
{
949
	struct hnae3_handle *h = hns3_get_handle(netdev);
950

951
	if (!h->ae_algo->ops->get_rss_key_size)
952
		return 0;
953 954 955 956 957 958

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

static u32 hns3_get_rss_indir_size(struct net_device *netdev)
{
959
	struct hnae3_handle *h = hns3_get_handle(netdev);
960
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
961

962
	return ae_dev->dev_specs.rss_ind_tbl_size;
963 964 965 966 967
}

static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
			u8 *hfunc)
{
968
	struct hnae3_handle *h = hns3_get_handle(netdev);
969

970
	if (!h->ae_algo->ops->get_rss)
971 972 973 974 975 976 977 978
		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)
{
979
	struct hnae3_handle *h = hns3_get_handle(netdev);
980
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
981

982
	if (!h->ae_algo->ops->set_rss)
983 984
		return -EOPNOTSUPP;

985
	if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
986 987 988
	     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");
989 990
		return -EOPNOTSUPP;
	}
991

992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004
	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)
{
1005
	struct hnae3_handle *h = hns3_get_handle(netdev);
1006 1007 1008

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
1009 1010
		cmd->data = h->kinfo.num_tqps;
		return 0;
L
Lipeng 已提交
1011
	case ETHTOOL_GRXFH:
1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027
		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;
1028 1029 1030 1031 1032
	default:
		return -EOPNOTSUPP;
	}
}

1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049
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;
1050
	enum ethtool_reset_flags rst_flags;
1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069
	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;
1070
			rst_flags = rst_type_map[i].rst_flags;
1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085
			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);

1086 1087
	*flags &= ~rst_flags;

1088 1089 1090
	return 0;
}

1091 1092
static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
					u32 tx_desc_num, u32 rx_desc_num)
L
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1093 1094 1095 1096
{
	struct hnae3_handle *h = priv->ae_handle;
	int i;

1097 1098
	h->kinfo.num_tx_desc = tx_desc_num;
	h->kinfo.num_rx_desc = rx_desc_num;
L
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1099

1100
	for (i = 0; i < h->kinfo.num_tqps; i++) {
1101 1102
		priv->ring[i].desc_num = tx_desc_num;
		priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
1103
	}
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1104 1105
}

1106
static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
L
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{
1108 1109 1110
	struct hnae3_handle *handle = priv->ae_handle;
	struct hns3_enet_ring *tmp_rings;
	int i;
L
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1111

1112 1113 1114 1115 1116
	tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
			    sizeof(struct hns3_enet_ring), GFP_KERNEL);
	if (!tmp_rings)
		return NULL;

1117
	for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
1118
		memcpy(&tmp_rings[i], &priv->ring[i],
1119
		       sizeof(struct hns3_enet_ring));
1120 1121
		tmp_rings[i].skb = NULL;
	}
1122 1123 1124 1125 1126

	return tmp_rings;
}

static int hns3_check_ringparam(struct net_device *ndev,
1127 1128
				struct ethtool_ringparam *param,
				struct kernel_ethtool_ringparam *kernel_param)
1129
{
1130 1131
#define RX_BUF_LEN_2K 2048
#define RX_BUF_LEN_4K 4096
1132 1133 1134 1135 1136

	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");
1137
		return -EBUSY;
1138 1139
	}

1140

L
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1141 1142 1143
	if (param->rx_mini_pending || param->rx_jumbo_pending)
		return -EINVAL;

1144 1145 1146 1147 1148 1149
	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;
	}

L
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1150
	if (param->tx_pending > HNS3_RING_MAX_PENDING ||
1151 1152 1153 1154 1155
	    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
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1156 1157 1158
		return -EINVAL;
	}

1159 1160 1161
	return 0;
}

1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184
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) {
1185
		netdev_info(ndev, "descriptor number and rx buffer length not changed\n");
1186 1187 1188 1189 1190 1191
		return false;
	}

	return true;
}

1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207
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;
}

1208
static int hns3_set_ringparam(struct net_device *ndev,
1209 1210 1211
			      struct ethtool_ringparam *param,
			      struct kernel_ethtool_ringparam *kernel_param,
			      struct netlink_ext_ack *extack)
1212
{
1213
	struct hns3_ring_param old_ringparam, new_ringparam;
1214 1215 1216 1217 1218 1219
	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;

1220
	ret = hns3_check_ringparam(ndev, param, kernel_param);
1221 1222 1223
	if (ret)
		return ret;

1224 1225
	if (!hns3_is_ringparam_changed(ndev, param, kernel_param,
				       &old_ringparam, &new_ringparam))
L
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1226 1227
		return 0;

1228 1229
	tmp_rings = hns3_backup_ringparam(priv);
	if (!tmp_rings) {
1230
		netdev_err(ndev, "backup ring param failed by allocating memory fail\n");
1231 1232 1233
		return -ENOMEM;
	}

L
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	netdev_info(ndev,
1235 1236 1237 1238
		    "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);
L
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1239 1240

	if (if_running)
1241
		ndev->netdev_ops->ndo_stop(ndev);
L
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1242

1243 1244 1245
	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);
1246
	ret = hns3_init_all_ring(priv);
L
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1247
	if (ret) {
1248
		netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n",
1249 1250
			   ret);

1251 1252 1253
		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);
1254
		for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1255
			memcpy(&priv->ring[i], &tmp_rings[i],
1256 1257 1258 1259
			       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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1260 1261
	}

1262 1263
	kfree(tmp_rings);

L
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1264
	if (if_running)
1265
		ret = ndev->netdev_ops->ndo_open(ndev);
L
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1266 1267 1268 1269

	return ret;
}

L
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1270 1271 1272 1273 1274 1275
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:
1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286
		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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1287 1288 1289 1290 1291
	default:
		return -EOPNOTSUPP;
	}
}

1292 1293
static int hns3_nway_reset(struct net_device *netdev)
{
1294 1295
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1296
	struct phy_device *phy = netdev->phydev;
1297
	int autoneg;
1298 1299 1300 1301

	if (!netif_running(netdev))
		return 0;

1302 1303 1304 1305 1306 1307
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting!");
		return -EBUSY;
	}

	if (!ops->get_autoneg || !ops->restart_autoneg)
1308 1309
		return -EOPNOTSUPP;

1310 1311 1312 1313
	autoneg = ops->get_autoneg(handle);
	if (autoneg != AUTONEG_ENABLE) {
		netdev_err(netdev,
			   "Autoneg is off, don't support to restart it\n");
1314
		return -EINVAL;
1315 1316
	}

1317 1318 1319
	netif_dbg(handle, drv, netdev,
		  "nway reset (using %s)\n", phy ? "phy" : "mac");

1320 1321 1322 1323
	if (phy)
		return genphy_restart_aneg(phy);

	return ops->restart_autoneg(handle);
1324 1325
}

1326 1327
static void hns3_get_channels(struct net_device *netdev,
			      struct ethtool_channels *ch)
1328 1329 1330 1331 1332 1333 1334
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

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

1335
static int hns3_get_coalesce(struct net_device *netdev,
1336 1337 1338
			     struct ethtool_coalesce *cmd,
			     struct kernel_ethtool_coalesce *kernel_coal,
			     struct netlink_ext_ack *extack)
1339 1340
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
1341 1342
	struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
	struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
1343 1344
	struct hnae3_handle *h = priv->ae_handle;

1345 1346 1347
	if (hns3_nic_resetting(netdev))
		return -EBUSY;

1348 1349
	cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable;
	cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable;
1350

1351 1352
	cmd->tx_coalesce_usecs = tx_coal->int_gl;
	cmd->rx_coalesce_usecs = rx_coal->int_gl;
1353 1354 1355 1356

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

1357 1358
	cmd->tx_max_coalesced_frames = tx_coal->int_ql;
	cmd->rx_max_coalesced_frames = rx_coal->int_ql;
1359

1360 1361 1362 1363 1364
	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);

1365 1366 1367
	return 0;
}

1368 1369 1370
static int hns3_check_gl_coalesce_para(struct net_device *netdev,
				       struct ethtool_coalesce *cmd)
{
1371 1372
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1373 1374
	u32 rx_gl, tx_gl;

1375
	if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1376
		netdev_err(netdev,
1377 1378
			   "invalid rx-usecs value, rx-usecs range is 0-%u\n",
			   ae_dev->dev_specs.max_int_gl);
1379 1380 1381
		return -EINVAL;
	}

1382
	if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1383
		netdev_err(netdev,
1384 1385
			   "invalid tx-usecs value, tx-usecs range is 0-%u\n",
			   ae_dev->dev_specs.max_int_gl);
1386 1387 1388
		return -EINVAL;
	}

1389 1390 1391 1392 1393 1394
	/* 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;

1395 1396 1397
	rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
	if (rx_gl != cmd->rx_coalesce_usecs) {
		netdev_info(netdev,
1398
			    "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1399 1400 1401 1402 1403 1404
			    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,
1405
			    "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432
			    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,
1433
			    "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1434 1435 1436 1437 1438 1439
			    cmd->rx_coalesce_usecs_high, rl);
	}

	return 0;
}

1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462
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;
}

1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482
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)
1483 1484 1485
{
	int ret;

1486 1487 1488 1489
	ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal);
	if (ret)
		return ret;

1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503
	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;
	}

1504
	return hns3_check_ql_coalesce_param(netdev, cmd);
1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515
}

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;

1516 1517
	tx_vector = priv->ring[queue].tqp_vector;
	rx_vector = priv->ring[queue_num + queue].tqp_vector;
1518

1519
	tx_vector->tx_group.coal.adapt_enable =
1520
				cmd->use_adaptive_tx_coalesce;
1521
	rx_vector->rx_group.coal.adapt_enable =
1522
				cmd->use_adaptive_rx_coalesce;
1523

1524 1525
	tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
	rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1526

1527 1528 1529
	tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
	rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;

1530 1531 1532 1533
	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);
1534 1535 1536

	hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
	hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1537 1538 1539 1540 1541 1542 1543

	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);
1544 1545 1546
}

static int hns3_set_coalesce(struct net_device *netdev,
1547 1548 1549
			     struct ethtool_coalesce *cmd,
			     struct kernel_ethtool_coalesce *kernel_coal,
			     struct netlink_ext_ack *extack)
1550 1551
{
	struct hnae3_handle *h = hns3_get_handle(netdev);
1552 1553 1554
	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;
1555
	u16 queue_num = h->kinfo.num_tqps;
1556 1557
	enum dim_cq_period_mode tx_mode;
	enum dim_cq_period_mode rx_mode;
1558 1559 1560
	int ret;
	int i;

1561 1562 1563
	if (hns3_nic_resetting(netdev))
		return -EBUSY;

1564
	ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal);
1565 1566 1567 1568 1569 1570
	if (ret)
		return ret;

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

1571 1572 1573 1574 1575 1576 1577 1578 1579
	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;

1580 1581 1582
	for (i = 0; i < queue_num; i++)
		hns3_set_coalesce_per_queue(netdev, cmd, i);

1583 1584 1585 1586 1587 1588 1589 1590
	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);

1591 1592 1593
	return 0;
}

1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614
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);
}

1615 1616 1617 1618 1619
static int hns3_set_phys_id(struct net_device *netdev,
			    enum ethtool_phys_id_state state)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

1620
	if (!h->ae_algo->ops->set_led_id)
1621 1622 1623 1624 1625
		return -EOPNOTSUPP;

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

1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639
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;
}

1640 1641 1642 1643 1644 1645 1646 1647 1648
/* 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;
1649 1650
	if (loc_fec & BIT(HNAE3_FEC_LLRS))
		eth_fec |= ETHTOOL_FEC_LLRS;
1651 1652
	if (loc_fec & BIT(HNAE3_FEC_BASER))
		eth_fec |= ETHTOOL_FEC_BASER;
1653 1654
	if (loc_fec & BIT(HNAE3_FEC_NONE))
		eth_fec |= ETHTOOL_FEC_OFF;
1655 1656 1657 1658 1659 1660 1661 1662 1663 1664

	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)
1665
		loc_fec |= BIT(HNAE3_FEC_NONE);
1666 1667 1668 1669
	if (eth_fec & ETHTOOL_FEC_AUTO)
		loc_fec |= BIT(HNAE3_FEC_AUTO);
	if (eth_fec & ETHTOOL_FEC_RS)
		loc_fec |= BIT(HNAE3_FEC_RS);
1670 1671
	if (eth_fec & ETHTOOL_FEC_LLRS)
		loc_fec |= BIT(HNAE3_FEC_LLRS);
1672 1673 1674 1675 1676 1677 1678 1679 1680 1681
	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);
1682
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1683 1684 1685 1686
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u8 fec_ability;
	u8 fec_mode;

1687
	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1688 1689 1690 1691 1692 1693 1694 1695 1696
		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);
1697 1698
	if (!fec->active_fec)
		fec->active_fec = ETHTOOL_FEC_OFF;
1699 1700 1701 1702 1703 1704 1705 1706

	return 0;
}

static int hns3_set_fecparam(struct net_device *netdev,
			     struct ethtool_fecparam *fec)
{
	struct hnae3_handle *handle = hns3_get_handle(netdev);
1707
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1708 1709 1710
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u32 fec_mode;

1711
	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1712 1713 1714 1715 1716
		return -EOPNOTSUPP;

	if (!ops->set_fec)
		return -EOPNOTSUPP;
	fec_mode = eth_to_loc_fec(fec->fec);
1717 1718 1719

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

1720 1721 1722
	return ops->set_fec(handle, fec_mode);
}

1723 1724 1725 1726 1727 1728
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);
1729
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1730 1731 1732 1733
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	struct hns3_sfp_type sfp_type;
	int ret;

1734 1735
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
	    !ops->get_module_eeprom)
1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 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
		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);
1779
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1780 1781
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;

1782 1783
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
	    !ops->get_module_eeprom)
1784 1785 1786 1787 1788 1789 1790 1791 1792 1793
		return -EOPNOTSUPP;

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

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

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

1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840
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;
}

1841 1842 1843 1844 1845
static int hns3_get_tunable(struct net_device *netdev,
			    const struct ethtool_tunable *tuna,
			    void *data)
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
1846
	struct hnae3_handle *h = priv->ae_handle;
1847 1848 1849 1850 1851 1852 1853
	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;
1854 1855 1856
	case ETHTOOL_RX_COPYBREAK:
		*(u32 *)data = priv->rx_copybreak;
		break;
1857 1858 1859
	case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
		*(u32 *)data = h->kinfo.tx_spare_buf_size;
		break;
1860 1861 1862 1863 1864 1865 1866 1867
	default:
		ret = -EOPNOTSUPP;
		break;
	}

	return ret;
}

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
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;
}

1896 1897 1898 1899 1900
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);
1901
	u32 old_tx_spare_buf_size, new_tx_spare_buf_size;
1902 1903 1904
	struct hnae3_handle *h = priv->ae_handle;
	int i, ret = 0;

1905 1906 1907 1908 1909
	if (hns3_nic_resetting(netdev) || !priv->ring) {
		netdev_err(netdev, "failed to set tunable value, dev resetting!");
		return -EBUSY;
	}

1910 1911 1912 1913 1914 1915 1916
	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;

1917 1918 1919 1920 1921 1922 1923
		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;

1924 1925 1926 1927
		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;
1928 1929
		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);
1930
		ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size);
1931 1932
		if (ret ||
		    (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) {
1933 1934
			int ret1;

1935
			netdev_warn(netdev, "change tx spare buf size fail, revert to old value\n");
1936 1937 1938
			ret1 = hns3_set_tx_spare_buf_size(netdev,
							  old_tx_spare_buf_size);
			if (ret1) {
1939
				netdev_err(netdev, "revert to old tx spare buf size fail\n");
1940 1941 1942 1943 1944
				return ret1;
			}

			return ret;
		}
1945

1946 1947 1948 1949 1950
		if (!priv->ring->tx_spare)
			netdev_info(netdev, "the active tx spare buf size is 0, disable tx spare buffer\n");
		else
			netdev_info(netdev, "the active tx spare buf size is %u, due to page order\n",
				    priv->ring->tx_spare->len);
1951

1952 1953 1954 1955 1956 1957 1958 1959 1960
		break;
	default:
		ret = -EOPNOTSUPP;
		break;
	}

	return ret;
}

1961 1962 1963
#define HNS3_ETHTOOL_COALESCE	(ETHTOOL_COALESCE_USECS |		\
				 ETHTOOL_COALESCE_USE_ADAPTIVE |	\
				 ETHTOOL_COALESCE_RX_USECS_HIGH |	\
1964
				 ETHTOOL_COALESCE_TX_USECS_HIGH |	\
1965 1966
				 ETHTOOL_COALESCE_MAX_FRAMES |		\
				 ETHTOOL_COALESCE_USE_CQE)
1967

1968 1969
#define HNS3_ETHTOOL_RING	ETHTOOL_RING_USE_RX_BUF_LEN

H
Huazhong Tan 已提交
1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980
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);
}

1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045
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;
}

2046
static const struct ethtool_ops hns3vf_ethtool_ops = {
2047
	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
2048
	.supported_ring_params = HNS3_ETHTOOL_RING,
2049 2050 2051 2052 2053 2054 2055
	.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,
2056
	.set_rxnfc = hns3_set_rxnfc,
2057 2058 2059 2060 2061
	.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,
2062
	.get_channels = hns3_get_channels,
2063
	.set_channels = hns3_set_channels,
2064 2065
	.get_coalesce = hns3_get_coalesce,
	.set_coalesce = hns3_set_coalesce,
2066 2067
	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
2068
	.get_link = hns3_get_link,
2069 2070
	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
2071 2072
	.get_priv_flags = hns3_get_priv_flags,
	.set_priv_flags = hns3_set_priv_flags,
2073 2074
	.get_tunable = hns3_get_tunable,
	.set_tunable = hns3_set_tunable,
2075
	.reset = hns3_set_reset,
2076 2077
};

2078
static const struct ethtool_ops hns3_ethtool_ops = {
2079
	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
2080
	.supported_ring_params = HNS3_ETHTOOL_RING,
2081
	.self_test = hns3_self_test,
2082 2083 2084
	.get_drvinfo = hns3_get_drvinfo,
	.get_link = hns3_get_link,
	.get_ringparam = hns3_get_ringparam,
L
Lipeng 已提交
2085
	.set_ringparam = hns3_set_ringparam,
2086
	.get_pauseparam = hns3_get_pauseparam,
2087
	.set_pauseparam = hns3_set_pauseparam,
2088 2089 2090 2091
	.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
2092
	.set_rxnfc = hns3_set_rxnfc,
2093 2094 2095 2096 2097
	.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,
2098
	.set_link_ksettings = hns3_set_link_ksettings,
2099
	.nway_reset = hns3_nway_reset,
2100
	.get_channels = hns3_get_channels,
2101
	.set_channels = hns3_set_channels,
2102
	.get_coalesce = hns3_get_coalesce,
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	.set_coalesce = hns3_set_coalesce,
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	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
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	.set_phys_id = hns3_set_phys_id,
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	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
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	.get_fecparam = hns3_get_fecparam,
	.set_fecparam = hns3_set_fecparam,
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	.get_module_info = hns3_get_module_info,
	.get_module_eeprom = hns3_get_module_eeprom,
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	.get_priv_flags = hns3_get_priv_flags,
	.set_priv_flags = hns3_set_priv_flags,
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Huazhong Tan 已提交
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	.get_ts_info = hns3_get_ts_info,
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	.get_tunable = hns3_get_tunable,
	.set_tunable = hns3_set_tunable,
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	.reset = hns3_set_reset,
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	.get_link_ext_state = hns3_get_link_ext_state,
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};

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

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