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hns3_ethtool.c
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hns3_ethtool.c
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// 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_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:
case HNAE3_LOOP_EXTERNAL:
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 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);
kfree_skb(skb);
return ret_val;
}
static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2])
{
st_param[HNAE3_LOOP_EXTERNAL][0] = HNAE3_LOOP_EXTERNAL;
st_param[HNAE3_LOOP_EXTERNAL][1] =
h->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK;
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)
{
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
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);
}
static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2],
struct ethtool_test *eth_test, u64 *data)
{
int test_index = HNAE3_LOOP_APP;
u32 i;
for (i = HNAE3_LOOP_APP; i < HNAE3_LOOP_NONE; 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++;
}
}
static void hns3_do_external_lb(struct net_device *ndev,
struct ethtool_test *eth_test, u64 *data)
{
data[HNAE3_LOOP_EXTERNAL] = hns3_lp_up(ndev, HNAE3_LOOP_EXTERNAL);
if (!data[HNAE3_LOOP_EXTERNAL])
data[HNAE3_LOOP_EXTERNAL] = hns3_lp_run_test(ndev, HNAE3_LOOP_EXTERNAL);
hns3_lp_down(ndev, HNAE3_LOOP_EXTERNAL);
if (data[HNAE3_LOOP_EXTERNAL])
eth_test->flags |= ETH_TEST_FL_FAILED;
eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
}
/**
* 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)
{
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
int st_param[HNAE3_LOOP_NONE][2];
bool if_running = netif_running(ndev);
if (hns3_nic_resetting(ndev)) {
netdev_err(ndev, "dev resetting!");
return;
}
if (!(eth_test->flags & ETH_TEST_FL_OFFLINE))
return;
if (netif_msg_ifdown(h))
netdev_info(ndev, "self test start\n");
hns3_set_selftest_param(h, st_param);
/* external loopback test requires that the link is up and the duplex is
* full, do external test first to reduce the whole test time
*/
if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) {
hns3_external_lb_prepare(ndev, if_running);
hns3_do_external_lb(ndev, eth_test, data);
hns3_external_lb_restore(ndev, if_running);
}
hns3_selftest_prepare(ndev, if_running);
hns3_do_selftest(ndev, st_param, eth_test, data);
hns3_selftest_restore(ndev, if_running);
if (netif_msg_ifdown(h))
netdev_info(ndev, "self test end\n");
}
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);
/* 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;
}
strscpy(drvinfo->driver, dev_driver_string(&h->pdev->dev),
sizeof(drvinfo->driver));
strscpy(drvinfo->bus_info, pci_name(h->pdev),
sizeof(drvinfo->bus_info));
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;
kernel_param->tx_push = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE,
&priv->state);
}
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, ¶m->autoneg,
¶m->rx_pause, ¶m->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,
&cmd->lanes);
/* 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_UNKNOWN)
cmd->base.port = PORT_OTHER;
else 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;
u32 lane_num;
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, &lane_num);
if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
cmd->base.duplex == duplex && cmd->lanes == lane_num)
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;
if (cmd->lanes && !hnae3_ae_dev_lane_num_supported(ae_dev))
return -EOPNOTSUPP;
netif_dbg(handle, drv, netdev,
"set link(%s): autoneg=%u, speed=%u, duplex=%u, lanes=%u\n",
netdev->phydev ? "phy" : "mac",
cmd->base.autoneg, cmd->base.speed, cmd->base.duplex,
cmd->lanes);
/* 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, (u8)(cmd->lanes));
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);