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OpenCloudOS-Kernel/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c

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/*
* Copyright (c) 2016~2017 Hisilicon Limited.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/etherdevice.h>
#include <linux/string.h>
#include <linux/phy.h>
#include "hns3_enet.h"
struct hns3_stats {
char stats_string[ETH_GSTRING_LEN];
int stats_offset;
};
/* 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("io_err_cnt", io_err_cnt),
HNS3_TQP_STAT("tx_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("errors", tx_err_cnt),
HNS3_TQP_STAT("tx_wake", restart_queue),
HNS3_TQP_STAT("tx_busy", tx_busy),
};
#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("io_err_cnt", io_err_cnt),
HNS3_TQP_STAT("rx_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("non_vld_descs", non_vld_descs),
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),
};
#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_TPYE_NUM 1
#define HNS3_NIC_LB_TEST_PKT_NUM 1
#define HNS3_NIC_LB_TEST_RING_ID 0
#define HNS3_NIC_LB_TEST_PACKET_SIZE 128
/* 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
struct hns3_link_mode_mapping {
u32 hns3_link_mode;
u32 ethtool_link_mode;
};
static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop)
{
struct hnae3_handle *h = hns3_get_handle(ndev);
int ret;
if (!h->ae_algo->ops->set_loopback ||
!h->ae_algo->ops->set_promisc_mode)
return -EOPNOTSUPP;
switch (loop) {
case HNAE3_MAC_INTER_LOOP_MAC:
ret = h->ae_algo->ops->set_loopback(h, loop, true);
break;
case HNAE3_MAC_LOOP_NONE:
ret = h->ae_algo->ops->set_loopback(h,
HNAE3_MAC_INTER_LOOP_MAC, false);
break;
default:
ret = -ENOTSUPP;
break;
}
if (ret)
return ret;
if (loop == HNAE3_MAC_LOOP_NONE)
h->ae_algo->ops->set_promisc_mode(h, ndev->flags & IFF_PROMISC);
else
h->ae_algo->ops->set_promisc_mode(h, 1);
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;
if (!h->ae_algo->ops->start)
return -EOPNOTSUPP;
ret = h->ae_algo->ops->start(h);
if (ret) {
netdev_err(ndev,
"hns3_lb_up ae start return error: %d\n", ret);
return ret;
}
ret = hns3_lp_setup(ndev, loop_mode);
usleep_range(10000, 20000);
return ret;
}
static int hns3_lp_down(struct net_device *ndev)
{
struct hnae3_handle *h = hns3_get_handle(ndev);
int ret;
if (!h->ae_algo->ops->stop)
return -EOPNOTSUPP;
ret = hns3_lp_setup(ndev, HNAE3_MAC_LOOP_NONE);
if (ret) {
netdev_err(ndev, "lb_setup return error: %d\n", ret);
return ret;
}
h->ae_algo->ops->stop(h);
usleep_range(10000, 20000);
return 0;
}
static void hns3_lp_setup_skb(struct sk_buff *skb)
{
struct net_device *ndev = skb->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);
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 i;
for (i = 0; i < skb->len; i++)
if (packet[i] != (unsigned char)(i & 0xff))
break;
/* The packet is correctly received */
if (i == skb->len)
tqp_vector->rx_group.total_packets++;
else
print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
skb->data, skb->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_data[i].ring;
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;
hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
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_data[i].ring;
hns3_clean_tx_ring(ring, budget);
}
}
/**
* 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);
if (tx_ret == NETDEV_TX_OK)
good_cnt++;
else
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;
}
/**
* 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;
int st_param[HNS3_SELF_TEST_TPYE_NUM][2];
bool if_running = netif_running(ndev);
#if IS_ENABLED(CONFIG_VLAN_8021Q)
bool dis_vlan_filter;
#endif
int test_index = 0;
u32 i;
/* Only do offline selftest, or pass by default */
if (eth_test->flags != ETH_TEST_FL_OFFLINE)
return;
st_param[HNAE3_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC;
st_param[HNAE3_MAC_INTER_LOOP_MAC][1] =
h->flags & HNAE3_SUPPORT_MAC_LOOPBACK;
if (if_running)
dev_close(ndev);
#if IS_ENABLED(CONFIG_VLAN_8021Q)
/* Disable the vlan filter for selftest does not support it */
dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
h->ae_algo->ops->enable_vlan_filter;
if (dis_vlan_filter)
h->ae_algo->ops->enable_vlan_filter(h, false);
#endif
set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
for (i = 0; i < HNS3_SELF_TEST_TPYE_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);
}
if (data[test_index])
eth_test->flags |= ETH_TEST_FL_FAILED;
test_index++;
}
clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
#if IS_ENABLED(CONFIG_VLAN_8021Q)
if (dis_vlan_filter)
h->ae_algo->ops->enable_vlan_filter(h, true);
#endif
if (if_running)
dev_open(ndev);
}
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);
}
return 0;
}
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 = snprintf(data, MAX_PREFIX_SIZE, "%s#%d_",
prefix, i);
n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
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;
if (!ops->get_strings)
return;
switch (stringset) {
case ETH_SS_STATS:
buff = hns3_get_strings_tqps(h, buff);
h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff);
break;
case ETH_SS_TEST:
ops->get_strings(h, stringset, data);
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_data[i].ring;
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_data[i + kinfo->num_tqps].ring;
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 (!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;
strncpy(drvinfo->version, hns3_driver_version,
sizeof(drvinfo->version));
drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
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';
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
priv->ae_handle->ae_algo->ops->get_fw_version(h));
}
static u32 hns3_get_link(struct net_device *netdev)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
if (h->ae_algo && h->ae_algo->ops && 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 hns3_nic_priv *priv = netdev_priv(netdev);
struct hnae3_handle *h = priv->ae_handle;
int queue_num = h->kinfo.num_tqps;
param->tx_max_pending = HNS3_RING_MAX_PENDING;
param->rx_max_pending = HNS3_RING_MAX_PENDING;
param->tx_pending = priv->ring_data[0].ring->desc_num;
param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
}
static void hns3_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *param)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
if (h->ae_algo && h->ae_algo->ops && 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);
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 int hns3_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *cmd)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
u32 flowctrl_adv = 0;
u8 link_stat;
if (!h->ae_algo || !h->ae_algo->ops)
return -EOPNOTSUPP;
/* 1.auto_neg & speed & duplex from cmd */
if (netdev->phydev) {
phy_ethtool_ksettings_get(netdev->phydev, cmd);
return 0;
}
if (h->ae_algo->ops->get_ksettings_an_result)
h->ae_algo->ops->get_ksettings_an_result(h,
&cmd->base.autoneg,
&cmd->base.speed,
&cmd->base.duplex);
else
return -EOPNOTSUPP;
link_stat = hns3_get_link(netdev);
if (!link_stat) {
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
}
/* 2.get link mode and port type*/
if (h->ae_algo->ops->get_link_mode)
h->ae_algo->ops->get_link_mode(h,
cmd->link_modes.supported,
cmd->link_modes.advertising);
cmd->base.port = PORT_NONE;
if (h->ae_algo->ops->get_port_type)
h->ae_algo->ops->get_port_type(h,
&cmd->base.port);
/* 3.mdix_ctrl&mdix get from phy reg */
if (h->ae_algo->ops->get_mdix_mode)
h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
&cmd->base.eth_tp_mdix);
/* 4.mdio_support */
cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
/* 5.get flow control setttings */
if (h->ae_algo->ops->get_flowctrl_adv)
h->ae_algo->ops->get_flowctrl_adv(h, &flowctrl_adv);
if (flowctrl_adv & ADVERTISED_Pause)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
Pause);
if (flowctrl_adv & ADVERTISED_Asym_Pause)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
Asym_Pause);
return 0;
}
static int hns3_set_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *cmd)
{
/* Only support ksettings_set for netdev with phy attached for now */
if (netdev->phydev)
return phy_ethtool_ksettings_set(netdev->phydev, cmd);
return -EOPNOTSUPP;
}
static u32 hns3_get_rss_key_size(struct net_device *netdev)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
if (!h->ae_algo || !h->ae_algo->ops ||
!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);
if (!h->ae_algo || !h->ae_algo->ops ||
!h->ae_algo->ops->get_rss_indir_size)
return 0;
return h->ae_algo->ops->get_rss_indir_size(h);
}
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 || !h->ae_algo->ops || !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);
if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss)
return -EOPNOTSUPP;
/* currently we only support Toeplitz hash */
if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) {
netdev_err(netdev,
"hash func not supported (only Toeplitz hash)\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);
if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple)
return -EOPNOTSUPP;
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = h->kinfo.rss_size;
break;
case ETHTOOL_GRXFH:
return h->ae_algo->ops->get_rss_tuple(h, cmd);
default:
return -EOPNOTSUPP;
}
return 0;
}
static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
u32 new_desc_num)
{
struct hnae3_handle *h = priv->ae_handle;
int i;
h->kinfo.num_desc = new_desc_num;
for (i = 0; i < h->kinfo.num_tqps * 2; i++)
priv->ring_data[i].ring->desc_num = new_desc_num;
return hns3_init_all_ring(priv);
}
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;
bool if_running = netif_running(ndev);
u32 old_desc_num, new_desc_num;
int ret;
if (param->rx_mini_pending || param->rx_jumbo_pending)
return -EINVAL;
if (param->tx_pending != param->rx_pending) {
netdev_err(ndev,
"Descriptors of tx and rx must be equal");
return -EINVAL;
}
if (param->tx_pending > HNS3_RING_MAX_PENDING ||
param->tx_pending < HNS3_RING_MIN_PENDING) {
netdev_err(ndev,
"Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n",
param->tx_pending, HNS3_RING_MIN_PENDING,
HNS3_RING_MAX_PENDING);
return -EINVAL;
}
new_desc_num = param->tx_pending;
/* Hardware requires that its descriptors must be multiple of eight */
new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE);
old_desc_num = h->kinfo.num_desc;
if (old_desc_num == new_desc_num)
return 0;
netdev_info(ndev,
"Changing descriptor count from %d to %d.\n",
old_desc_num, new_desc_num);
if (if_running)
dev_close(ndev);
ret = hns3_uninit_all_ring(priv);
if (ret)
return ret;
ret = hns3_change_all_ring_bd_num(priv, new_desc_num);
if (ret) {
ret = hns3_change_all_ring_bd_num(priv, old_desc_num);
if (ret) {
netdev_err(ndev,
"Revert to old bd num fail, ret=%d.\n", ret);
return ret;
}
}
if (if_running)
ret = dev_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);
if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple)
return -EOPNOTSUPP;
switch (cmd->cmd) {
case ETHTOOL_SRXFH:
return h->ae_algo->ops->set_rss_tuple(h, cmd);
default:
return -EOPNOTSUPP;
}
}
static int hns3_nway_reset(struct net_device *netdev)
{
struct phy_device *phy = netdev->phydev;
if (!netif_running(netdev))
return 0;
/* Only support nway_reset for netdev with phy attached for now */
if (!phy)
return -EOPNOTSUPP;
if (phy->autoneg != AUTONEG_ENABLE)
return -EINVAL;
return genphy_restart_aneg(phy);
}
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_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;
if (queue >= queue_num) {
netdev_err(netdev,
"Invalid queue value %d! Queue max id=%d\n",
queue, queue_num - 1);
return -EINVAL;
}
tx_vector = priv->ring_data[queue].ring->tqp_vector;
rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
cmd->use_adaptive_tx_coalesce =
tx_vector->tx_group.coal.gl_adapt_enable;
cmd->use_adaptive_rx_coalesce =
rx_vector->rx_group.coal.gl_adapt_enable;
cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
return 0;
}
static int hns3_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *cmd)
{
return hns3_get_coalesce_per_queue(netdev, 0, cmd);
}
static int hns3_check_gl_coalesce_para(struct net_device *netdev,
struct ethtool_coalesce *cmd)
{
u32 rx_gl, tx_gl;
if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) {
netdev_err(netdev,
"Invalid rx-usecs value, rx-usecs range is 0-%d\n",
HNS3_INT_GL_MAX);
return -EINVAL;
}
if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) {
netdev_err(netdev,
"Invalid tx-usecs value, tx-usecs range is 0-%d\n",
HNS3_INT_GL_MAX);
return -EINVAL;
}
rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
if (rx_gl != cmd->rx_coalesce_usecs) {
netdev_info(netdev,
"rx_usecs(%d) rounded down to %d, 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(%d) rounded down to %d, 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(%d) rounded down to %d, because it must be multiple of 4.\n",
cmd->rx_coalesce_usecs_high, rl);
}
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;
}
if (cmd->use_adaptive_tx_coalesce == 1 ||
cmd->use_adaptive_rx_coalesce == 1) {
netdev_info(netdev,
"adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n",
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;
tx_vector = priv->ring_data[queue].ring->tqp_vector;
rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
tx_vector->tx_group.coal.gl_adapt_enable =
cmd->use_adaptive_tx_coalesce;
rx_vector->rx_group.coal.gl_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;
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);
}
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;
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;
}
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 || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id)
return -EOPNOTSUPP;
return h->ae_algo->ops->set_led_id(h, state);
}
static const struct ethtool_ops hns3vf_ethtool_ops = {
.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,
.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,
.get_coalesce = hns3_get_coalesce,
.set_coalesce = hns3_set_coalesce,
.get_link = hns3_get_link,
};
static const struct ethtool_ops hns3_ethtool_ops = {
.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,
};
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;
}
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