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linux/linux-5.18.11/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c

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2024-03-22 18:12:32 +00:00
// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2016-2017 Hisilicon Limited.
#include <linux/etherdevice.h>
#include <linux/string.h>
#include <linux/phy.h>
#include <linux/sfp.h>
#include "hns3_enet.h"
#include "hns3_ethtool.h"
/* tqp related stats */
#define HNS3_TQP_STAT(_string, _member) { \
.stats_string = _string, \
.stats_offset = offsetof(struct hns3_enet_ring, stats) +\
offsetof(struct ring_stats, _member), \
}
static const struct hns3_stats hns3_txq_stats[] = {
/* Tx per-queue statistics */
HNS3_TQP_STAT("dropped", sw_err_cnt),
HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
HNS3_TQP_STAT("packets", tx_pkts),
HNS3_TQP_STAT("bytes", tx_bytes),
HNS3_TQP_STAT("more", tx_more),
HNS3_TQP_STAT("push", tx_push),
HNS3_TQP_STAT("mem_doorbell", tx_mem_doorbell),
HNS3_TQP_STAT("wake", restart_queue),
HNS3_TQP_STAT("busy", tx_busy),
HNS3_TQP_STAT("copy", tx_copy),
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),
HNS3_TQP_STAT("over_max_recursion", over_max_recursion),
HNS3_TQP_STAT("hw_limitation", hw_limitation),
HNS3_TQP_STAT("bounce", tx_bounce),
HNS3_TQP_STAT("spare_full", tx_spare_full),
HNS3_TQP_STAT("copy_bits_err", copy_bits_err),
HNS3_TQP_STAT("sgl", tx_sgl),
HNS3_TQP_STAT("skb2sgl_err", skb2sgl_err),
HNS3_TQP_STAT("map_sg_err", map_sg_err),
};
#define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)
static const struct hns3_stats hns3_rxq_stats[] = {
/* Rx per-queue statistics */
HNS3_TQP_STAT("dropped", sw_err_cnt),
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),
HNS3_TQP_STAT("csum_complete", csum_complete),
HNS3_TQP_STAT("multicast", rx_multicast),
HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg),
HNS3_TQP_STAT("frag_alloc_err", frag_alloc_err),
HNS3_TQP_STAT("frag_alloc", frag_alloc),
};
#define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags)
#define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)
#define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
#define HNS3_SELF_TEST_TYPE_NUM 4
#define HNS3_NIC_LB_TEST_PKT_NUM 1
#define HNS3_NIC_LB_TEST_RING_ID 0
#define HNS3_NIC_LB_TEST_PACKET_SIZE 128
#define HNS3_NIC_LB_SETUP_USEC 10000
/* 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
static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
{
struct hnae3_handle *h = hns3_get_handle(ndev);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
int ret;
if (!h->ae_algo->ops->set_loopback ||
!h->ae_algo->ops->set_promisc_mode)
return -EOPNOTSUPP;
switch (loop) {
case HNAE3_LOOP_SERIAL_SERDES:
case HNAE3_LOOP_PARALLEL_SERDES:
case HNAE3_LOOP_APP:
case HNAE3_LOOP_PHY:
ret = h->ae_algo->ops->set_loopback(h, loop, en);
break;
default:
ret = -ENOTSUPP;
break;
}
if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2)
return ret;
if (en)
h->ae_algo->ops->set_promisc_mode(h, true, true);
else
/* recover promisc mode before loopback test */
hns3_request_update_promisc_mode(h);
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;
ret = hns3_nic_reset_all_ring(h);
if (ret)
return ret;
ret = hns3_lp_setup(ndev, loop_mode, true);
usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
return ret;
}
static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
{
int ret;
ret = hns3_lp_setup(ndev, loop_mode, false);
if (ret) {
netdev_err(ndev, "lb_setup return error: %d\n", ret);
return ret;
}
usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
return 0;
}
static void hns3_lp_setup_skb(struct sk_buff *skb)
{
#define HNS3_NIC_LB_DST_MAC_ADDR 0x1f
struct net_device *ndev = skb->dev;
struct hnae3_handle *handle;
struct hnae3_ae_dev *ae_dev;
unsigned char *packet;
struct ethhdr *ethh;
unsigned int i;
skb_reserve(skb, NET_IP_ALIGN);
ethh = skb_put(skb, sizeof(struct ethhdr));
packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
/* 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.
*/
handle = hns3_get_handle(ndev);
ae_dev = pci_get_drvdata(handle->pdev);
if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR;
eth_zero_addr(ethh->h_source);
ethh->h_proto = htons(ETH_P_ARP);
skb_reset_mac_header(skb);
for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
packet[i] = (unsigned char)(i & 0xff);
}
static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
struct sk_buff *skb)
{
struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
unsigned char *packet = skb->data;
u32 len = skb_headlen(skb);
u32 i;
len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);
for (i = 0; i < len; i++)
if (packet[i] != (unsigned char)(i & 0xff))
break;
/* The packet is correctly received */
if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
tqp_vector->rx_group.total_packets++;
else
print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
skb->data, len, true);
dev_kfree_skb_any(skb);
}
static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
{
struct hnae3_handle *h = priv->ae_handle;
struct hnae3_knic_private_info *kinfo;
u32 i, rcv_good_pkt_total = 0;
kinfo = &h->kinfo;
for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
struct hns3_enet_ring *ring = &priv->ring[i];
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;
preempt_disable();
hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
preempt_enable();
rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
rx_group->total_packets = pre_rx_pkt;
}
return rcv_good_pkt_total;
}
static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
u32 end_ringid, u32 budget)
{
u32 i;
for (i = start_ringid; i <= end_ringid; i++) {
struct hns3_enet_ring *ring = &priv->ring[i];
hns3_clean_tx_ring(ring, 0);
}
}
/**
* hns3_lp_run_test - run loopback test
* @ndev: net device
* @mode: loopback type
*
* Return: %0 for success or a NIC loopback test error code on failure
*/
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);
if (tx_ret == NETDEV_TX_OK) {
good_cnt++;
} else {
kfree_skb(skb);
netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
tx_ret);
}
}
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;
}
static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2])
{
st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
st_param[HNAE3_LOOP_APP][1] =
h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
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;
st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY;
st_param[HNAE3_LOOP_PHY][1] =
h->flags & HNAE3_SUPPORT_PHY_LOOPBACK;
}
static void hns3_selftest_prepare(struct net_device *ndev,
bool if_running, int (*st_param)[2])
{
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
if (netif_msg_ifdown(h))
netdev_info(ndev, "self test start\n");
hns3_set_selftest_param(h, st_param);
if (if_running)
ndev->netdev_ops->ndo_stop(ndev);
#if IS_ENABLED(CONFIG_VLAN_8021Q)
/* Disable the vlan filter for selftest does not support it */
if (h->ae_algo->ops->enable_vlan_filter &&
ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
h->ae_algo->ops->enable_vlan_filter(h, false);
#endif
/* 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);
set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
}
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)
if (h->ae_algo->ops->enable_vlan_filter &&
ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
h->ae_algo->ops->enable_vlan_filter(h, true);
#endif
if (if_running)
ndev->netdev_ops->ndo_open(ndev);
if (netif_msg_ifdown(h))
netdev_info(ndev, "self test end\n");
}
static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2],
struct ethtool_test *eth_test, u64 *data)
{
int test_index = 0;
u32 i;
for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
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);
if (!data[test_index])
data[test_index] = hns3_lp_run_test(ndev, loop_type);
hns3_lp_down(ndev, loop_type);
if (data[test_index])
eth_test->flags |= ETH_TEST_FL_FAILED;
test_index++;
}
}
/**
* hns3_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)
{
int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
bool if_running = netif_running(ndev);
if (hns3_nic_resetting(ndev)) {
netdev_err(ndev, "dev resetting!");
return;
}
/* Only do offline selftest, or pass by default */
if (eth_test->flags != ETH_TEST_FL_OFFLINE)
return;
hns3_selftest_prepare(ndev, if_running, st_param);
hns3_do_selftest(ndev, st_param, eth_test, data);
hns3_selftest_restore(ndev, if_running);
}
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 }
};
static int hns3_get_sset_count(struct net_device *netdev, int stringset)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
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);
case ETH_SS_PRIV_FLAGS:
return HNAE3_PFLAG_MAX;
default:
return -EOPNOTSUPP;
}
}
static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
u32 stat_count, u32 num_tqps, const char *prefix)
{
#define MAX_PREFIX_SIZE (6 + 4)
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 */
n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_",
prefix, i);
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;
const char tx_prefix[] = "txq";
const char rx_prefix[] = "rxq";
/* get strings for Tx */
data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
kinfo->num_tqps, tx_prefix);
/* get strings for Rx */
data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
kinfo->num_tqps, rx_prefix);
return data;
}
static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
const struct hnae3_ae_ops *ops = h->ae_algo->ops;
char *buff = (char *)data;
int i;
if (!ops->get_strings)
return;
switch (stringset) {
case ETH_SS_STATS:
buff = hns3_get_strings_tqps(h, buff);
ops->get_strings(h, stringset, (u8 *)buff);
break;
case ETH_SS_TEST:
ops->get_strings(h, stringset, data);
break;
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;
default:
break;
}
}
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;
int i, j;
/* get stats for Tx */
for (i = 0; i < kinfo->num_tqps; i++) {
ring = &nic_priv->ring[i];
for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
*data++ = *(u64 *)stat;
}
}
/* get stats for Rx */
for (i = 0; i < kinfo->num_tqps; i++) {
ring = &nic_priv->ring[i + kinfo->num_tqps];
for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
*data++ = *(u64 *)stat;
}
}
return data;
}
/* hns3_get_stats - get detail statistics.
* @netdev: net device
* @stats: statistics info.
* @data: statistics data.
*/
static void hns3_get_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
u64 *p = data;
if (hns3_nic_resetting(netdev)) {
netdev_err(netdev, "dev resetting, could not get stats\n");
return;
}
if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
netdev_err(netdev, "could not get any statistics\n");
return;
}
h->ae_algo->ops->update_stats(h, &netdev->stats);
/* 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;
u32 fw_version;
if (!h->ae_algo->ops->get_fw_version) {
netdev_err(netdev, "could not get fw version!\n");
return;
}
strncpy(drvinfo->driver, dev_driver_string(&h->pdev->dev),
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';
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));
}
static u32 hns3_get_link(struct net_device *netdev)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
if (h->ae_algo->ops->get_status)
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 kernel_ethtool_ringparam *kernel_param,
struct netlink_ext_ack *extack)
{
struct hns3_nic_priv *priv = netdev_priv(netdev);
struct hnae3_handle *h = priv->ae_handle;
int rx_queue_index = h->kinfo.num_tqps;
if (hns3_nic_resetting(netdev) || !priv->ring) {
netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n");
return;
}
param->tx_max_pending = HNS3_RING_MAX_PENDING;
param->rx_max_pending = HNS3_RING_MAX_PENDING;
param->tx_pending = priv->ring[0].desc_num;
param->rx_pending = priv->ring[rx_queue_index].desc_num;
kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size;
}
static void hns3_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *param)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
return;
if (h->ae_algo->ops->get_pauseparam)
h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
&param->rx_pause, &param->tx_pause);
}
static int hns3_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *param)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
return -EOPNOTSUPP;
netif_dbg(h, drv, netdev,
"set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
param->autoneg, param->rx_pause, param->tx_pause);
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;
}
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);
/* 2.get link mode */
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);
}
static int hns3_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *cmd)
{
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;
u8 module_type;
u8 media_type;
u8 link_stat;
ops = h->ae_algo->ops;
if (ops->get_media_type)
ops->get_media_type(h, &media_type, &module_type);
else
return -EOPNOTSUPP;
switch (media_type) {
case HNAE3_MEDIA_TYPE_NONE:
cmd->base.port = PORT_NONE;
hns3_get_ksettings(h, cmd);
break;
case HNAE3_MEDIA_TYPE_FIBER:
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;
hns3_get_ksettings(h, cmd);
break;
case HNAE3_MEDIA_TYPE_COPPER:
cmd->base.port = PORT_TP;
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)
hns3_get_ksettings(h, cmd);
else
phy_ethtool_ksettings_get(netdev->phydev, cmd);
break;
default:
netdev_warn(netdev, "Unknown media type");
return 0;
}
/* mdio_support */
cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
link_stat = hns3_get_link(netdev);
if (!link_stat) {
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
}
return 0;
}
static int hns3_check_ksettings_param(const struct net_device *netdev,
const struct ethtool_link_ksettings *cmd)
{
struct hnae3_handle *handle = hns3_get_handle(netdev);
const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
u8 autoneg;
u32 speed;
u8 duplex;
int ret;
/* hw doesn't support use specified speed and duplex to negotiate,
* unnecessary to check them when autoneg on.
*/
if (cmd->base.autoneg)
return 0;
if (ops->get_ksettings_an_result) {
ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex);
if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
cmd->base.duplex == duplex)
return 0;
}
if (ops->get_media_type)
ops->get_media_type(handle, &media_type, &module_type);
if (cmd->base.duplex == DUPLEX_HALF &&
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;
}
static int hns3_set_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *cmd)
{
struct hnae3_handle *handle = hns3_get_handle(netdev);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
int ret;
/* Chip don't support this mode. */
if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
return -EINVAL;
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);
/* Only support ksettings_set for netdev with phy attached for now */
if (netdev->phydev) {
if (cmd->base.speed == SPEED_1000 &&
cmd->base.autoneg == AUTONEG_DISABLE)
return -EINVAL;
return phy_ethtool_ksettings_set(netdev->phydev, cmd);
} 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);
}
if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
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;
}
/* 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;
}
if (ops->cfg_mac_speed_dup_h)
ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
cmd->base.duplex);
return ret;
}
static u32 hns3_get_rss_key_size(struct net_device *netdev)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
if (!h->ae_algo->ops->get_rss_key_size)
return 0;
return h->ae_algo->ops->get_rss_key_size(h);
}
static u32 hns3_get_rss_indir_size(struct net_device *netdev)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
return ae_dev->dev_specs.rss_ind_tbl_size;
}
static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
u8 *hfunc)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
if (!h->ae_algo->ops->get_rss)
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)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
if (!h->ae_algo->ops->set_rss)
return -EOPNOTSUPP;
if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
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");
return -EOPNOTSUPP;
}
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)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = h->kinfo.num_tqps;
return 0;
case ETHTOOL_GRXFH:
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;
default:
return -EOPNOTSUPP;
}
}
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;
enum ethtool_reset_flags rst_flags;
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;
rst_flags = rst_type_map[i].rst_flags;
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);
*flags &= ~rst_flags;
return 0;
}
static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
u32 tx_desc_num, u32 rx_desc_num)
{
struct hnae3_handle *h = priv->ae_handle;
int i;
h->kinfo.num_tx_desc = tx_desc_num;
h->kinfo.num_rx_desc = rx_desc_num;
for (i = 0; i < h->kinfo.num_tqps; i++) {
priv->ring[i].desc_num = tx_desc_num;
priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
}
}
static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
{
struct hnae3_handle *handle = priv->ae_handle;
struct hns3_enet_ring *tmp_rings;
int i;
tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
sizeof(struct hns3_enet_ring), GFP_KERNEL);
if (!tmp_rings)
return NULL;
for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
memcpy(&tmp_rings[i], &priv->ring[i],
sizeof(struct hns3_enet_ring));
tmp_rings[i].skb = NULL;
}
return tmp_rings;
}
static int hns3_check_ringparam(struct net_device *ndev,
struct ethtool_ringparam *param,
struct kernel_ethtool_ringparam *kernel_param)
{
#define RX_BUF_LEN_2K 2048
#define RX_BUF_LEN_4K 4096
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");
return -EBUSY;
}
if (param->rx_mini_pending || param->rx_jumbo_pending)
return -EINVAL;
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;
}
if (param->tx_pending > HNS3_RING_MAX_PENDING ||
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);
return -EINVAL;
}
return 0;
}
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;
}
static int hns3_set_ringparam(struct net_device *ndev,
struct ethtool_ringparam *param,
struct kernel_ethtool_ringparam *kernel_param,
struct netlink_ext_ack *extack)
{
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;
u32 old_rx_buf_len;
int ret, i;
ret = hns3_check_ringparam(ndev, param, kernel_param);
if (ret)
return ret;
/* Hardware requires that its descriptors must be multiple of eight */
new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE);
new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE);
old_tx_desc_num = priv->ring[0].desc_num;
old_rx_desc_num = priv->ring[queue_num].desc_num;
old_rx_buf_len = priv->ring[queue_num].buf_size;
if (old_tx_desc_num == new_tx_desc_num &&
old_rx_desc_num == new_rx_desc_num &&
kernel_param->rx_buf_len == old_rx_buf_len)
return 0;
tmp_rings = hns3_backup_ringparam(priv);
if (!tmp_rings) {
netdev_err(ndev,
"backup ring param failed by allocating memory fail\n");
return -ENOMEM;
}
netdev_info(ndev,
"Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %d to %d\n",
old_tx_desc_num, old_rx_desc_num,
new_tx_desc_num, new_rx_desc_num,
old_rx_buf_len, kernel_param->rx_buf_len);
if (if_running)
ndev->netdev_ops->ndo_stop(ndev);
hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num);
hns3_change_rx_buf_len(ndev, kernel_param->rx_buf_len);
ret = hns3_init_all_ring(priv);
if (ret) {
netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n",
ret);
hns3_change_rx_buf_len(ndev, old_rx_buf_len);
hns3_change_all_ring_bd_num(priv, old_tx_desc_num,
old_rx_desc_num);
for (i = 0; i < h->kinfo.num_tqps * 2; i++)
memcpy(&priv->ring[i], &tmp_rings[i],
sizeof(struct hns3_enet_ring));
} else {
for (i = 0; i < h->kinfo.num_tqps * 2; i++)
hns3_fini_ring(&tmp_rings[i]);
}
kfree(tmp_rings);
if (if_running)
ret = ndev->netdev_ops->ndo_open(ndev);
return ret;
}
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:
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;
default:
return -EOPNOTSUPP;
}
}
static int hns3_nway_reset(struct net_device *netdev)
{
struct hnae3_handle *handle = hns3_get_handle(netdev);
const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
struct phy_device *phy = netdev->phydev;
int autoneg;
if (!netif_running(netdev))
return 0;
if (hns3_nic_resetting(netdev)) {
netdev_err(netdev, "dev resetting!");
return -EBUSY;
}
if (!ops->get_autoneg || !ops->restart_autoneg)
return -EOPNOTSUPP;
autoneg = ops->get_autoneg(handle);
if (autoneg != AUTONEG_ENABLE) {
netdev_err(netdev,
"Autoneg is off, don't support to restart it\n");
return -EINVAL;
}
netif_dbg(handle, drv, netdev,
"nway reset (using %s)\n", phy ? "phy" : "mac");
if (phy)
return genphy_restart_aneg(phy);
return ops->restart_autoneg(handle);
}
static void hns3_get_channels(struct net_device *netdev,
struct ethtool_channels *ch)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
if (h->ae_algo->ops->get_channels)
h->ae_algo->ops->get_channels(h, ch);
}
static int hns3_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *cmd,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
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;
struct hnae3_handle *h = priv->ae_handle;
if (hns3_nic_resetting(netdev))
return -EBUSY;
cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable;
cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable;
cmd->tx_coalesce_usecs = tx_coal->int_gl;
cmd->rx_coalesce_usecs = rx_coal->int_gl;
cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
cmd->tx_max_coalesced_frames = tx_coal->int_ql;
cmd->rx_max_coalesced_frames = rx_coal->int_ql;
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);
return 0;
}
static int hns3_check_gl_coalesce_para(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);
u32 rx_gl, tx_gl;
if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
netdev_err(netdev,
"invalid rx-usecs value, rx-usecs range is 0-%u\n",
ae_dev->dev_specs.max_int_gl);
return -EINVAL;
}
if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
netdev_err(netdev,
"invalid tx-usecs value, tx-usecs range is 0-%u\n",
ae_dev->dev_specs.max_int_gl);
return -EINVAL;
}
/* 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;
rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
if (rx_gl != cmd->rx_coalesce_usecs) {
netdev_info(netdev,
"rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
cmd->rx_coalesce_usecs, rx_gl);
}
tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
if (tx_gl != cmd->tx_coalesce_usecs) {
netdev_info(netdev,
"tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
cmd->tx_coalesce_usecs, tx_gl);
}
return 0;
}
static int hns3_check_rl_coalesce_para(struct net_device *netdev,
struct ethtool_coalesce *cmd)
{
u32 rl;
if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
netdev_err(netdev,
"tx_usecs_high must be same as rx_usecs_high.\n");
return -EINVAL;
}
if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
netdev_err(netdev,
"Invalid usecs_high value, usecs_high range is 0-%d\n",
HNS3_INT_RL_MAX);
return -EINVAL;
}
rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
if (rl != cmd->rx_coalesce_usecs_high) {
netdev_info(netdev,
"usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
cmd->rx_coalesce_usecs_high, rl);
}
return 0;
}
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;
}
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;
}
return hns3_check_ql_coalesce_param(netdev, cmd);
}
static void hns3_set_coalesce_per_queue(struct net_device *netdev,
struct ethtool_coalesce *cmd,
u32 queue)
{
struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
struct hns3_nic_priv *priv = netdev_priv(netdev);
struct hnae3_handle *h = priv->ae_handle;
int queue_num = h->kinfo.num_tqps;
tx_vector = priv->ring[queue].tqp_vector;
rx_vector = priv->ring[queue_num + queue].tqp_vector;
tx_vector->tx_group.coal.adapt_enable =
cmd->use_adaptive_tx_coalesce;
rx_vector->rx_group.coal.adapt_enable =
cmd->use_adaptive_rx_coalesce;
tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;
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);
hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
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);
}
static int hns3_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *cmd,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
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;
u16 queue_num = h->kinfo.num_tqps;
enum dim_cq_period_mode tx_mode;
enum dim_cq_period_mode rx_mode;
int ret;
int i;
if (hns3_nic_resetting(netdev))
return -EBUSY;
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);
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;
for (i = 0; i < queue_num; i++)
hns3_set_coalesce_per_queue(netdev, cmd, i);
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);
return 0;
}
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);
}
static int hns3_set_phys_id(struct net_device *netdev,
enum ethtool_phys_id_state state)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
if (!h->ae_algo->ops->set_led_id)
return -EOPNOTSUPP;
return h->ae_algo->ops->set_led_id(h, state);
}
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;
}
/* 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);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
u8 fec_ability;
u8 fec_mode;
if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
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);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
u32 fec_mode;
if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
return -EOPNOTSUPP;
if (!ops->set_fec)
return -EOPNOTSUPP;
fec_mode = eth_to_loc_fec(fec->fec);
netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);
return ops->set_fec(handle, fec_mode);
}
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);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
struct hns3_sfp_type sfp_type;
int ret;
if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
!ops->get_module_eeprom)
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);
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
!ops->get_module_eeprom)
return -EOPNOTSUPP;
if (!ee->len)
return -EINVAL;
memset(data, 0, ee->len);
return ops->get_module_eeprom(handle, ee->offset, ee->len, data);
}
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;
}
static int hns3_get_tunable(struct net_device *netdev,
const struct ethtool_tunable *tuna,
void *data)
{
struct hns3_nic_priv *priv = netdev_priv(netdev);
struct hnae3_handle *h = priv->ae_handle;
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;
case ETHTOOL_RX_COPYBREAK:
*(u32 *)data = priv->rx_copybreak;
break;
case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
*(u32 *)data = h->kinfo.tx_spare_buf_size;
break;
default:
ret = -EOPNOTSUPP;
break;
}
return ret;
}
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;
}
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);
u32 old_tx_spare_buf_size, new_tx_spare_buf_size;
struct hnae3_handle *h = priv->ae_handle;
int i, ret = 0;
if (hns3_nic_resetting(netdev) || !priv->ring) {
netdev_err(netdev, "failed to set tunable value, dev resetting!");
return -EBUSY;
}
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;
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;
break;
case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size;
new_tx_spare_buf_size = *(u32 *)data;
ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size);
if (ret ||
(!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) {
int ret1;
netdev_warn(netdev,
"change tx spare buf size fail, revert to old value\n");
ret1 = hns3_set_tx_spare_buf_size(netdev,
old_tx_spare_buf_size);
if (ret1) {
netdev_err(netdev,
"revert to old tx spare buf size fail\n");
return ret1;
}
return ret;
}
break;
default:
ret = -EOPNOTSUPP;
break;
}
return ret;
}
#define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \
ETHTOOL_COALESCE_USE_ADAPTIVE | \
ETHTOOL_COALESCE_RX_USECS_HIGH | \
ETHTOOL_COALESCE_TX_USECS_HIGH | \
ETHTOOL_COALESCE_MAX_FRAMES | \
ETHTOOL_COALESCE_USE_CQE)
#define HNS3_ETHTOOL_RING ETHTOOL_RING_USE_RX_BUF_LEN
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);
}
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;
}
static const struct ethtool_ops hns3vf_ethtool_ops = {
.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
.supported_ring_params = HNS3_ETHTOOL_RING,
.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,
.set_rxnfc = hns3_set_rxnfc,
.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,
.get_channels = hns3_get_channels,
.set_channels = hns3_set_channels,
.get_coalesce = hns3_get_coalesce,
.set_coalesce = hns3_set_coalesce,
.get_regs_len = hns3_get_regs_len,
.get_regs = hns3_get_regs,
.get_link = hns3_get_link,
.get_msglevel = hns3_get_msglevel,
.set_msglevel = hns3_set_msglevel,
.get_priv_flags = hns3_get_priv_flags,
.set_priv_flags = hns3_set_priv_flags,
.get_tunable = hns3_get_tunable,
.set_tunable = hns3_set_tunable,
.reset = hns3_set_reset,
};
static const struct ethtool_ops hns3_ethtool_ops = {
.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
.supported_ring_params = HNS3_ETHTOOL_RING,
.self_test = hns3_self_test,
.get_drvinfo = hns3_get_drvinfo,
.get_link = hns3_get_link,
.get_ringparam = hns3_get_ringparam,
.set_ringparam = hns3_set_ringparam,
.get_pauseparam = hns3_get_pauseparam,
.set_pauseparam = hns3_set_pauseparam,
.get_strings = hns3_get_strings,
.get_ethtool_stats = hns3_get_stats,
.get_sset_count = hns3_get_sset_count,
.get_rxnfc = hns3_get_rxnfc,
.set_rxnfc = hns3_set_rxnfc,
.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,
.set_link_ksettings = hns3_set_link_ksettings,
.nway_reset = hns3_nway_reset,
.get_channels = hns3_get_channels,
.set_channels = hns3_set_channels,
.get_coalesce = hns3_get_coalesce,
.set_coalesce = hns3_set_coalesce,
.get_regs_len = hns3_get_regs_len,
.get_regs = hns3_get_regs,
.set_phys_id = hns3_set_phys_id,
.get_msglevel = hns3_get_msglevel,
.set_msglevel = hns3_set_msglevel,
.get_fecparam = hns3_get_fecparam,
.set_fecparam = hns3_set_fecparam,
.get_module_info = hns3_get_module_info,
.get_module_eeprom = hns3_get_module_eeprom,
.get_priv_flags = hns3_get_priv_flags,
.set_priv_flags = hns3_set_priv_flags,
.get_ts_info = hns3_get_ts_info,
.get_tunable = hns3_get_tunable,
.set_tunable = hns3_set_tunable,
.reset = hns3_set_reset,
.get_link_ext_state = hns3_get_link_ext_state,
};
void hns3_ethtool_set_ops(struct net_device *netdev)
{
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;
}