hns3_ethtool.c 44.0 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"

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

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struct hns3_sfp_type {
	u8 type;
	u8 ext_type;
};

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struct hns3_pflag_desc {
	char name[ETH_GSTRING_LEN];
	void (*handler)(struct net_device *netdev, bool enable);
};

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/* tqp related stats */
#define HNS3_TQP_STAT(_string, _member)	{			\
	.stats_string = _string,				\
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	.stats_offset = offsetof(struct hns3_enet_ring, stats) +\
			offsetof(struct ring_stats, _member),   \
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}
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static const struct hns3_stats hns3_txq_stats[] = {
	/* Tx per-queue statistics */
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	HNS3_TQP_STAT("dropped", sw_err_cnt),
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	HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
	HNS3_TQP_STAT("packets", tx_pkts),
	HNS3_TQP_STAT("bytes", tx_bytes),
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	HNS3_TQP_STAT("more", tx_more),
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	HNS3_TQP_STAT("wake", restart_queue),
	HNS3_TQP_STAT("busy", tx_busy),
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	HNS3_TQP_STAT("copy", tx_copy),
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	HNS3_TQP_STAT("vlan_err", tx_vlan_err),
	HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err),
	HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err),
	HNS3_TQP_STAT("tso_err", tx_tso_err),
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	HNS3_TQP_STAT("over_max_recursion", over_max_recursion),
	HNS3_TQP_STAT("hw_limitation", hw_limitation),
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};

#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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};

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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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	bool vlan_filter_enable;
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	int ret;

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

	switch (loop) {
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	case HNAE3_LOOP_SERIAL_SERDES:
	case HNAE3_LOOP_PARALLEL_SERDES:
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	case HNAE3_LOOP_APP:
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	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) {
		h->ae_algo->ops->set_promisc_mode(h, true, true);
	} else {
		/* recover promisc mode before loopback test */
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		hns3_request_update_promisc_mode(h);
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		vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true;
		hns3_enable_vlan_filter(ndev, vlan_filter_enable);
	}
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	return ret;
}

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

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

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

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

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

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

static void hns3_lp_setup_skb(struct sk_buff *skb)
{
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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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	}
}

/**
 * hns3_lp_run_test -  run loopback test
 * @ndev: net device
 * @mode: loopback type
 */
static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
{
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct sk_buff *skb;
	u32 i, good_cnt;
	int ret_val = 0;

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

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

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

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

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

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

out:
	hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
			      HNS3_NIC_LB_TEST_RING_ID,
			      HNS3_NIC_LB_TEST_PKT_NUM);

	kfree_skb(skb);
	return ret_val;
}

/**
 * hns3_nic_self_test - self test
 * @ndev: net device
 * @eth_test: test cmd
 * @data: test result
 */
static void hns3_self_test(struct net_device *ndev,
			   struct ethtool_test *eth_test, u64 *data)
{
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct hnae3_handle *h = priv->ae_handle;
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	int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
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	bool if_running = netif_running(ndev);
	int test_index = 0;
	u32 i;

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

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

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

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	st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
	st_param[HNAE3_LOOP_APP][1] =
			h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
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	st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES;
	st_param[HNAE3_LOOP_SERIAL_SERDES][1] =
			h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;

	st_param[HNAE3_LOOP_PARALLEL_SERDES][0] =
			HNAE3_LOOP_PARALLEL_SERDES;
	st_param[HNAE3_LOOP_PARALLEL_SERDES][1] =
			h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
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	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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	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)
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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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	for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
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		enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];

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

		data[test_index] = hns3_lp_up(ndev, loop_type);
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		if (!data[test_index])
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			data[test_index] = hns3_lp_run_test(ndev, loop_type);
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		hns3_lp_down(ndev, loop_type);
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		if (data[test_index])
			eth_test->flags |= ETH_TEST_FL_FAILED;

		test_index++;
	}

	clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);

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

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

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

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

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

	hns3_request_update_promisc_mode(handle);
}

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

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

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

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

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

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	case ETH_SS_PRIV_FLAGS:
		return HNAE3_PFLAG_MAX;

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	default:
		return -EOPNOTSUPP;
	}
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}

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

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

			/* first, prepend the prefix string */
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			n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_",
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				       prefix, i);
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			size_left = (ETH_GSTRING_LEN - 1) - n1;

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

	return data;
}

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

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

	switch (stringset) {
	case ETH_SS_STATS:
		buff = hns3_get_strings_tqps(h, buff);
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		ops->get_strings(h, stringset, (u8 *)buff);
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		break;
	case ETH_SS_TEST:
		ops->get_strings(h, stringset, data);
		break;
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	case ETH_SS_PRIV_FLAGS:
		for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) {
			snprintf(buff, ETH_GSTRING_LEN, "%s",
				 hns3_priv_flags[i].name);
			buff += ETH_GSTRING_LEN;
		}
		break;
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	default:
		break;
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	}
}

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

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

	return data;
}

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

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

566 567 568 569 570
	if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
		netdev_err(netdev, "could not get any statistics\n");
		return;
	}

571
	h->ae_algo->ops->update_stats(h, &netdev->stats);
572 573 574 575 576 577 578 579 580 581 582 583 584

	/* 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;
585
	u32 fw_version;
586

587 588 589 590 591
	if (!h->ae_algo->ops->get_fw_version) {
		netdev_err(netdev, "could not get fw version!\n");
		return;
	}

592 593 594 595 596 597 598 599
	strncpy(drvinfo->driver, h->pdev->driver->name,
		sizeof(drvinfo->driver));
	drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';

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

600 601 602 603 604 605 606 607 608 609 610 611
	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));
612 613 614 615
}

static u32 hns3_get_link(struct net_device *netdev)
{
616
	struct hnae3_handle *h = hns3_get_handle(netdev);
617

618
	if (h->ae_algo->ops->get_status)
619 620 621 622 623 624 625 626 627
		return h->ae_algo->ops->get_status(h);
	else
		return 0;
}

static void hns3_get_ringparam(struct net_device *netdev,
			       struct ethtool_ringparam *param)
{
	struct hns3_nic_priv *priv = netdev_priv(netdev);
628 629
	struct hnae3_handle *h = priv->ae_handle;
	int queue_num = h->kinfo.num_tqps;
630

631 632 633 634 635
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting!");
		return;
	}

636 637 638
	param->tx_max_pending = HNS3_RING_MAX_PENDING;
	param->rx_max_pending = HNS3_RING_MAX_PENDING;

639 640
	param->tx_pending = priv->ring[0].desc_num;
	param->rx_pending = priv->ring[queue_num].desc_num;
641 642 643 644 645
}

static void hns3_get_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *param)
{
646
	struct hnae3_handle *h = hns3_get_handle(netdev);
647 648 649 650
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);

	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
		return;
651

652
	if (h->ae_algo->ops->get_pauseparam)
653 654 655 656
		h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
			&param->rx_pause, &param->tx_pause);
}

657 658 659 660
static int hns3_set_pauseparam(struct net_device *netdev,
			       struct ethtool_pauseparam *param)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);
661 662 663 664
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);

	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
		return -EOPNOTSUPP;
665

666 667 668 669
	netif_dbg(h, drv, netdev,
		  "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
		  param->autoneg, param->rx_pause, param->tx_pause);

670 671 672 673 674 675 676
	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;
}

677 678 679 680 681 682 683 684 685 686 687 688
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 */
690 691 692 693 694 695 696 697 698 699 700
	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);
}

701 702 703
static int hns3_get_link_ksettings(struct net_device *netdev,
				   struct ethtool_link_ksettings *cmd)
{
704
	struct hnae3_handle *h = hns3_get_handle(netdev);
705
	const struct hnae3_ae_ops *ops;
706
	u8 module_type;
707
	u8 media_type;
708 709
	u8 link_stat;

710
	ops = h->ae_algo->ops;
711
	if (ops->get_media_type)
712
		ops->get_media_type(h, &media_type, &module_type);
713 714 715
	else
		return -EOPNOTSUPP;

716 717 718 719 720 721
	switch (media_type) {
	case HNAE3_MEDIA_TYPE_NONE:
		cmd->base.port = PORT_NONE;
		hns3_get_ksettings(h, cmd);
		break;
	case HNAE3_MEDIA_TYPE_FIBER:
722 723 724 725 726 727 728 729 730
		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;
731
		hns3_get_ksettings(h, cmd);
732
		break;
733 734
	case HNAE3_MEDIA_TYPE_COPPER:
		cmd->base.port = PORT_TP;
735 736 737 738
		if (!netdev->phydev)
			hns3_get_ksettings(h, cmd);
		else
			phy_ethtool_ksettings_get(netdev->phydev, cmd);
739 740
		break;
	default:
741 742

		netdev_warn(netdev, "Unknown media type");
743 744 745
		return 0;
	}

746 747
	/* mdio_support */
	cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
748 749 750 751 752

	link_stat = hns3_get_link(netdev);
	if (!link_stat) {
		cmd->base.speed = SPEED_UNKNOWN;
		cmd->base.duplex = DUPLEX_UNKNOWN;
753 754 755 756 757
	}

	return 0;
}

758
static int hns3_check_ksettings_param(const struct net_device *netdev,
759 760 761 762 763 764 765 766 767 768 769
				      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;

770 771 772 773 774 775
	/* hw doesn't support use specified speed and duplex to negotiate,
	 * unnecessary to check them when autoneg on.
	 */
	if (cmd->base.autoneg)
		return 0;

776 777 778 779 780 781 782 783 784 785
	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);

786
	if (cmd->base.duplex == DUPLEX_HALF &&
787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803
	    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;
}

804 805 806
static int hns3_set_link_ksettings(struct net_device *netdev,
				   const struct ethtool_link_ksettings *cmd)
{
807
	struct hnae3_handle *handle = hns3_get_handle(netdev);
808
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
809
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
810
	int ret;
811 812

	/* Chip don't support this mode. */
813 814 815
	if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
		return -EINVAL;

816 817 818 819 820
	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);

821
	/* Only support ksettings_set for netdev with phy attached for now */
822 823 824 825 826
	if (netdev->phydev) {
		if (cmd->base.speed == SPEED_1000 &&
		    cmd->base.autoneg == AUTONEG_DISABLE)
			return -EINVAL;

827
		return phy_ethtool_ksettings_set(netdev->phydev, cmd);
828
	}
829

830
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
831 832 833 834 835 836 837 838 839 840 841 842
		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;
	}

843 844 845 846 847 848 849 850 851
	/* 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;
	}

852 853 854 855 856
	if (ops->cfg_mac_speed_dup_h)
		ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
					       cmd->base.duplex);

	return ret;
857 858
}

859 860
static u32 hns3_get_rss_key_size(struct net_device *netdev)
{
861
	struct hnae3_handle *h = hns3_get_handle(netdev);
862

863
	if (!h->ae_algo->ops->get_rss_key_size)
864
		return 0;
865 866 867 868 869 870

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

static u32 hns3_get_rss_indir_size(struct net_device *netdev)
{
871
	struct hnae3_handle *h = hns3_get_handle(netdev);
872
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
873

874
	return ae_dev->dev_specs.rss_ind_tbl_size;
875 876 877 878 879
}

static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
			u8 *hfunc)
{
880
	struct hnae3_handle *h = hns3_get_handle(netdev);
881

882
	if (!h->ae_algo->ops->get_rss)
883 884 885 886 887 888 889 890
		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)
{
891
	struct hnae3_handle *h = hns3_get_handle(netdev);
892
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
893

894
	if (!h->ae_algo->ops->set_rss)
895 896
		return -EOPNOTSUPP;

897
	if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
898 899 900
	     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");
901 902
		return -EOPNOTSUPP;
	}
903

904 905 906 907 908 909 910 911 912 913 914 915 916
	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)
{
917
	struct hnae3_handle *h = hns3_get_handle(netdev);
918 919 920

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
921 922
		cmd->data = h->kinfo.num_tqps;
		return 0;
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	case ETHTOOL_GRXFH:
924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939
		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;
940 941 942 943 944
	default:
		return -EOPNOTSUPP;
	}
}

945 946
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;

951 952
	h->kinfo.num_tx_desc = tx_desc_num;
	h->kinfo.num_rx_desc = rx_desc_num;
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954
	for (i = 0; i < h->kinfo.num_tqps; i++) {
955 956
		priv->ring[i].desc_num = tx_desc_num;
		priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
957
	}
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}

960
static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
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{
962 963 964
	struct hnae3_handle *handle = priv->ae_handle;
	struct hns3_enet_ring *tmp_rings;
	int i;
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966 967 968 969 970
	tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
			    sizeof(struct hns3_enet_ring), GFP_KERNEL);
	if (!tmp_rings)
		return NULL;

971
	for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
972
		memcpy(&tmp_rings[i], &priv->ring[i],
973
		       sizeof(struct hns3_enet_ring));
974 975
		tmp_rings[i].skb = NULL;
	}
976 977 978 979 980 981 982

	return tmp_rings;
}

static int hns3_check_ringparam(struct net_device *ndev,
				struct ethtool_ringparam *param)
{
983 984 985
	if (hns3_nic_resetting(ndev))
		return -EBUSY;

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

	if (param->tx_pending > HNS3_RING_MAX_PENDING ||
990 991 992 993 994
	    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;
	}

998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
	return 0;
}

static int hns3_set_ringparam(struct net_device *ndev,
			      struct ethtool_ringparam *param)
{
	struct hns3_nic_priv *priv = netdev_priv(ndev);
	struct hnae3_handle *h = priv->ae_handle;
	struct hns3_enet_ring *tmp_rings;
	bool if_running = netif_running(ndev);
	u32 old_tx_desc_num, new_tx_desc_num;
	u32 old_rx_desc_num, new_rx_desc_num;
	u16 queue_num = h->kinfo.num_tqps;
	int ret, i;

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

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	/* Hardware requires that its descriptors must be multiple of eight */
1018 1019
	new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE);
	new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE);
1020 1021
	old_tx_desc_num = priv->ring[0].desc_num;
	old_rx_desc_num = priv->ring[queue_num].desc_num;
1022 1023
	if (old_tx_desc_num == new_tx_desc_num &&
	    old_rx_desc_num == new_rx_desc_num)
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		return 0;

1026 1027 1028 1029 1030 1031 1032
	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,
1034
		    "Changing Tx/Rx ring depth from %u/%u to %u/%u\n",
1035 1036
		    old_tx_desc_num, old_rx_desc_num,
		    new_tx_desc_num, new_rx_desc_num);
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	if (if_running)
1039
		ndev->netdev_ops->ndo_stop(ndev);
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1041 1042
	hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num);
	ret = hns3_init_all_ring(priv);
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	if (ret) {
1044 1045 1046 1047 1048 1049
		netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n",
			   ret);

		hns3_change_all_ring_bd_num(priv, old_tx_desc_num,
					    old_rx_desc_num);
		for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1050
			memcpy(&priv->ring[i], &tmp_rings[i],
1051 1052 1053 1054
			       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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	}

1057 1058
	kfree(tmp_rings);

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	if (if_running)
1060
		ret = ndev->netdev_ops->ndo_open(ndev);
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	return ret;
}

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

	switch (cmd->cmd) {
	case ETHTOOL_SRXFH:
1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081
		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;
	}
}

1087 1088
static int hns3_nway_reset(struct net_device *netdev)
{
1089 1090
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1091
	struct phy_device *phy = netdev->phydev;
1092
	int autoneg;
1093 1094 1095 1096

	if (!netif_running(netdev))
		return 0;

1097 1098 1099 1100 1101 1102
	if (hns3_nic_resetting(netdev)) {
		netdev_err(netdev, "dev resetting!");
		return -EBUSY;
	}

	if (!ops->get_autoneg || !ops->restart_autoneg)
1103 1104
		return -EOPNOTSUPP;

1105 1106 1107 1108
	autoneg = ops->get_autoneg(handle);
	if (autoneg != AUTONEG_ENABLE) {
		netdev_err(netdev,
			   "Autoneg is off, don't support to restart it\n");
1109
		return -EINVAL;
1110 1111
	}

1112 1113 1114
	netif_dbg(handle, drv, netdev,
		  "nway reset (using %s)\n", phy ? "phy" : "mac");

1115 1116 1117 1118
	if (phy)
		return genphy_restart_aneg(phy);

	return ops->restart_autoneg(handle);
1119 1120
}

1121 1122
static void hns3_get_channels(struct net_device *netdev,
			      struct ethtool_channels *ch)
1123 1124 1125 1126 1127 1128 1129
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

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

1130 1131 1132 1133 1134 1135 1136 1137
static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
				       struct ethtool_coalesce *cmd)
{
	struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
	struct hns3_nic_priv *priv = netdev_priv(netdev);
	struct hnae3_handle *h = priv->ae_handle;
	u16 queue_num = h->kinfo.num_tqps;

1138 1139 1140
	if (hns3_nic_resetting(netdev))
		return -EBUSY;

1141 1142
	if (queue >= queue_num) {
		netdev_err(netdev,
1143
			   "Invalid queue value %u! Queue max id=%u\n",
1144 1145 1146 1147
			   queue, queue_num - 1);
		return -EINVAL;
	}

1148 1149
	tx_vector = priv->ring[queue].tqp_vector;
	rx_vector = priv->ring[queue_num + queue].tqp_vector;
1150

1151
	cmd->use_adaptive_tx_coalesce =
1152
			tx_vector->tx_group.coal.adapt_enable;
1153
	cmd->use_adaptive_rx_coalesce =
1154
			rx_vector->rx_group.coal.adapt_enable;
1155

1156 1157
	cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
	cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
1158 1159 1160 1161

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

1162 1163 1164
	cmd->tx_max_coalesced_frames = tx_vector->tx_group.coal.int_ql;
	cmd->rx_max_coalesced_frames = rx_vector->rx_group.coal.int_ql;

1165 1166 1167 1168 1169 1170 1171 1172 1173
	return 0;
}

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

1174 1175 1176
static int hns3_check_gl_coalesce_para(struct net_device *netdev,
				       struct ethtool_coalesce *cmd)
{
1177 1178
	struct hnae3_handle *handle = hns3_get_handle(netdev);
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1179 1180
	u32 rx_gl, tx_gl;

1181
	if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1182
		netdev_err(netdev,
1183 1184
			   "invalid rx-usecs value, rx-usecs range is 0-%u\n",
			   ae_dev->dev_specs.max_int_gl);
1185 1186 1187
		return -EINVAL;
	}

1188
	if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1189
		netdev_err(netdev,
1190 1191
			   "invalid tx-usecs value, tx-usecs range is 0-%u\n",
			   ae_dev->dev_specs.max_int_gl);
1192 1193 1194
		return -EINVAL;
	}

1195 1196 1197 1198 1199 1200
	/* 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;

1201 1202 1203
	rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
	if (rx_gl != cmd->rx_coalesce_usecs) {
		netdev_info(netdev,
1204
			    "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1205 1206 1207 1208 1209 1210
			    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,
1211
			    "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238
			    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,
1239
			    "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1240 1241 1242 1243 1244 1245
			    cmd->rx_coalesce_usecs_high, rl);
	}

	return 0;
}

1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268
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;
}

1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287
static int hns3_check_coalesce_para(struct net_device *netdev,
				    struct ethtool_coalesce *cmd)
{
	int ret;

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

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

1288 1289 1290 1291
	ret = hns3_check_ql_coalesce_param(netdev, cmd);
	if (ret)
		return ret;

1292 1293 1294
	if (cmd->use_adaptive_tx_coalesce == 1 ||
	    cmd->use_adaptive_rx_coalesce == 1) {
		netdev_info(netdev,
1295
			    "adaptive-tx=%u and adaptive-rx=%u, tx_usecs or rx_usecs will changed dynamically.\n",
1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311
			    cmd->use_adaptive_tx_coalesce,
			    cmd->use_adaptive_rx_coalesce);
	}

	return 0;
}

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

1312 1313
	tx_vector = priv->ring[queue].tqp_vector;
	rx_vector = priv->ring[queue_num + queue].tqp_vector;
1314

1315
	tx_vector->tx_group.coal.adapt_enable =
1316
				cmd->use_adaptive_tx_coalesce;
1317
	rx_vector->rx_group.coal.adapt_enable =
1318
				cmd->use_adaptive_rx_coalesce;
1319

1320 1321
	tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
	rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1322

1323 1324 1325
	tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
	rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;

1326 1327 1328 1329
	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);
1330 1331 1332

	hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
	hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1333 1334 1335 1336 1337 1338 1339

	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);
1340 1341 1342 1343 1344 1345 1346 1347 1348 1349
}

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

1350 1351 1352
	if (hns3_nic_resetting(netdev))
		return -EBUSY;

1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365
	ret = hns3_check_coalesce_para(netdev, cmd);
	if (ret)
		return ret;

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

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

	return 0;
}

1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386
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);
}

1387 1388 1389 1390 1391
static int hns3_set_phys_id(struct net_device *netdev,
			    enum ethtool_phys_id_state state)
{
	struct hnae3_handle *h = hns3_get_handle(netdev);

1392
	if (!h->ae_algo->ops->set_led_id)
1393 1394 1395 1396 1397
		return -EOPNOTSUPP;

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

1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411
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;
}

1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452
/* 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);
1453
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1454 1455 1456 1457
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u8 fec_ability;
	u8 fec_mode;

1458
	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475
		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);
1476
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1477 1478 1479
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	u32 fec_mode;

1480
	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1481 1482 1483 1484 1485
		return -EOPNOTSUPP;

	if (!ops->set_fec)
		return -EOPNOTSUPP;
	fec_mode = eth_to_loc_fec(fec->fec);
1486 1487 1488

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

1489 1490 1491
	return ops->set_fec(handle, fec_mode);
}

1492 1493 1494 1495 1496 1497
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);
1498
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1499 1500 1501 1502
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
	struct hns3_sfp_type sfp_type;
	int ret;

1503 1504
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
	    !ops->get_module_eeprom)
1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547
		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);
1548
	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1549 1550
	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;

1551 1552
	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
	    !ops->get_module_eeprom)
1553 1554 1555 1556 1557 1558 1559 1560 1561 1562
		return -EOPNOTSUPP;

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

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

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

1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609
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;
}

1610 1611 1612
#define HNS3_ETHTOOL_COALESCE	(ETHTOOL_COALESCE_USECS |		\
				 ETHTOOL_COALESCE_USE_ADAPTIVE |	\
				 ETHTOOL_COALESCE_RX_USECS_HIGH |	\
1613 1614
				 ETHTOOL_COALESCE_TX_USECS_HIGH |	\
				 ETHTOOL_COALESCE_MAX_FRAMES)
1615

1616
static const struct ethtool_ops hns3vf_ethtool_ops = {
1617
	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1618 1619 1620 1621 1622 1623 1624
	.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,
1625
	.set_rxnfc = hns3_set_rxnfc,
1626 1627 1628 1629 1630
	.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,
1631
	.get_channels = hns3_get_channels,
1632
	.set_channels = hns3_set_channels,
1633 1634
	.get_coalesce = hns3_get_coalesce,
	.set_coalesce = hns3_set_coalesce,
1635 1636
	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
1637
	.get_link = hns3_get_link,
1638 1639
	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
1640 1641
	.get_priv_flags = hns3_get_priv_flags,
	.set_priv_flags = hns3_set_priv_flags,
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};

1644
static const struct ethtool_ops hns3_ethtool_ops = {
1645
	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1646
	.self_test = hns3_self_test,
1647 1648 1649
	.get_drvinfo = hns3_get_drvinfo,
	.get_link = hns3_get_link,
	.get_ringparam = hns3_get_ringparam,
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	.set_ringparam = hns3_set_ringparam,
1651
	.get_pauseparam = hns3_get_pauseparam,
1652
	.set_pauseparam = hns3_set_pauseparam,
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	.get_strings = hns3_get_strings,
	.get_ethtool_stats = hns3_get_stats,
	.get_sset_count = hns3_get_sset_count,
	.get_rxnfc = hns3_get_rxnfc,
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	.set_rxnfc = hns3_set_rxnfc,
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	.get_rxfh_key_size = hns3_get_rss_key_size,
	.get_rxfh_indir_size = hns3_get_rss_indir_size,
	.get_rxfh = hns3_get_rss,
	.set_rxfh = hns3_set_rss,
	.get_link_ksettings = hns3_get_link_ksettings,
1663
	.set_link_ksettings = hns3_set_link_ksettings,
1664
	.nway_reset = hns3_nway_reset,
1665
	.get_channels = hns3_get_channels,
1666
	.set_channels = hns3_set_channels,
1667
	.get_coalesce = hns3_get_coalesce,
1668
	.set_coalesce = hns3_set_coalesce,
1669 1670
	.get_regs_len = hns3_get_regs_len,
	.get_regs = hns3_get_regs,
1671
	.set_phys_id = hns3_set_phys_id,
1672 1673
	.get_msglevel = hns3_get_msglevel,
	.set_msglevel = hns3_set_msglevel,
1674 1675
	.get_fecparam = hns3_get_fecparam,
	.set_fecparam = hns3_set_fecparam,
1676 1677
	.get_module_info = hns3_get_module_info,
	.get_module_eeprom = hns3_get_module_eeprom,
1678 1679
	.get_priv_flags = hns3_get_priv_flags,
	.set_priv_flags = hns3_set_priv_flags,
1680 1681 1682 1683
};

void hns3_ethtool_set_ops(struct net_device *netdev)
{
1684 1685 1686 1687 1688 1689
	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;
1690
}