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linux/linux-5.18.11/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c

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2024-03-22 18:12:32 +00:00
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2014-2015 Hisilicon Limited.
*/
#include <linux/etherdevice.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include "hns_enet.h"
#define HNS_PHY_PAGE_MDIX 0
#define HNS_PHY_PAGE_LED 3
#define HNS_PHY_PAGE_COPPER 0
#define HNS_PHY_PAGE_REG 22 /* Page Selection Reg. */
#define HNS_PHY_CSC_REG 16 /* Copper Specific Control Register */
#define HNS_PHY_CSS_REG 17 /* Copper Specific Status Register */
#define HNS_LED_FC_REG 16 /* LED Function Control Reg. */
#define HNS_LED_FORCE_ON 9
#define HNS_LED_FORCE_OFF 8
#define HNS_CHIP_VERSION 660
#define HNS_NET_STATS_CNT 26
#define PHY_MDIX_CTRL_S (5)
#define PHY_MDIX_CTRL_M (3 << PHY_MDIX_CTRL_S)
#define PHY_MDIX_STATUS_B (6)
#define PHY_SPEED_DUP_RESOLVE_B (11)
/**
*hns_nic_get_link - get current link status
*@net_dev: net_device
*retuen 0 - success , negative --fail
*/
static u32 hns_nic_get_link(struct net_device *net_dev)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
u32 link_stat = priv->link;
struct hnae_handle *h;
h = priv->ae_handle;
if (net_dev->phydev) {
if (!genphy_read_status(net_dev->phydev))
link_stat = net_dev->phydev->link;
else
link_stat = 0;
}
if (h->dev && h->dev->ops && h->dev->ops->get_status)
link_stat = link_stat && h->dev->ops->get_status(h);
else
link_stat = 0;
return link_stat;
}
static void hns_get_mdix_mode(struct net_device *net_dev,
struct ethtool_link_ksettings *cmd)
{
int mdix_ctrl, mdix, retval, is_resolved;
struct phy_device *phy_dev = net_dev->phydev;
if (!phy_dev || !phy_dev->mdio.bus) {
cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
return;
}
phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
switch (mdix_ctrl) {
case 0x0:
cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI;
break;
case 0x1:
cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X;
break;
case 0x3:
cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
break;
default:
cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
break;
}
if (!is_resolved)
cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
else if (mdix)
cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
else
cmd->base.eth_tp_mdix = ETH_TP_MDI;
}
/**
*hns_nic_get_link_ksettings - implement ethtool get link ksettings
*@net_dev: net_device
*@cmd: ethtool_link_ksettings
*retuen 0 - success , negative --fail
*/
static int hns_nic_get_link_ksettings(struct net_device *net_dev,
struct ethtool_link_ksettings *cmd)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_handle *h;
u32 link_stat;
int ret;
u8 duplex;
u16 speed;
u32 supported, advertising;
if (!priv || !priv->ae_handle)
return -ESRCH;
h = priv->ae_handle;
if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
return -ESRCH;
ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
if (ret < 0) {
netdev_err(net_dev, "%s get_info error!\n", __func__);
return -EINVAL;
}
ethtool_convert_link_mode_to_legacy_u32(&supported,
cmd->link_modes.supported);
ethtool_convert_link_mode_to_legacy_u32(&advertising,
cmd->link_modes.advertising);
/* When there is no phy, autoneg is off. */
cmd->base.autoneg = false;
cmd->base.speed = speed;
cmd->base.duplex = duplex;
if (net_dev->phydev)
phy_ethtool_ksettings_get(net_dev->phydev, cmd);
link_stat = hns_nic_get_link(net_dev);
if (!link_stat) {
cmd->base.speed = (u32)SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
}
if (cmd->base.autoneg)
advertising |= ADVERTISED_Autoneg;
supported |= h->if_support;
if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
supported |= SUPPORTED_TP;
advertising |= ADVERTISED_1000baseT_Full;
} else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
supported |= SUPPORTED_FIBRE;
advertising |= ADVERTISED_10000baseKR_Full;
}
switch (h->media_type) {
case HNAE_MEDIA_TYPE_FIBER:
cmd->base.port = PORT_FIBRE;
break;
case HNAE_MEDIA_TYPE_COPPER:
cmd->base.port = PORT_TP;
break;
case HNAE_MEDIA_TYPE_UNKNOWN:
default:
break;
}
if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
supported |= SUPPORTED_Pause;
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
supported);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
advertising);
cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22;
hns_get_mdix_mode(net_dev, cmd);
return 0;
}
/**
*hns_nic_set_link_ksettings - implement ethtool set link ksettings
*@net_dev: net_device
*@cmd: ethtool_link_ksettings
*retuen 0 - success , negative --fail
*/
static int hns_nic_set_link_ksettings(struct net_device *net_dev,
const struct ethtool_link_ksettings *cmd)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_handle *h;
u32 speed;
if (!netif_running(net_dev))
return -ESRCH;
if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
!priv->ae_handle->dev->ops)
return -ENODEV;
h = priv->ae_handle;
speed = cmd->base.speed;
if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
if (cmd->base.autoneg == AUTONEG_ENABLE ||
speed != SPEED_10000 ||
cmd->base.duplex != DUPLEX_FULL)
return -EINVAL;
} else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE)
return -EINVAL;
if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
return -EINVAL;
if (net_dev->phydev)
return phy_ethtool_ksettings_set(net_dev->phydev, cmd);
if ((speed != SPEED_10 && speed != SPEED_100 &&
speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF &&
cmd->base.duplex != DUPLEX_FULL))
return -EINVAL;
} else {
netdev_err(net_dev, "Not supported!");
return -ENOTSUPP;
}
if (h->dev->ops->adjust_link) {
netif_carrier_off(net_dev);
h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex);
netif_carrier_on(net_dev);
return 0;
}
netdev_err(net_dev, "Not supported!");
return -ENOTSUPP;
}
static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
"Mac Loopback test",
"Serdes Loopback test",
"Phy Loopback test"
};
static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
{
int err;
if (en) {
/* Doing phy loopback in offline state, phy resuming is
* needed to power up the device.
*/
err = phy_resume(phy_dev);
if (err)
goto out;
err = phy_loopback(phy_dev, true);
} else {
err = phy_loopback(phy_dev, false);
if (err)
goto out;
err = phy_suspend(phy_dev);
}
out:
return err;
}
static int __lb_setup(struct net_device *ndev,
enum hnae_loop loop)
{
int ret = 0;
struct hns_nic_priv *priv = netdev_priv(ndev);
struct phy_device *phy_dev = ndev->phydev;
struct hnae_handle *h = priv->ae_handle;
switch (loop) {
case MAC_INTERNALLOOP_PHY:
ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
if (!ret)
ret = h->dev->ops->set_loopback(h, loop, 0x1);
break;
case MAC_INTERNALLOOP_MAC:
if ((h->dev->ops->set_loopback) &&
(priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
ret = h->dev->ops->set_loopback(h, loop, 0x1);
break;
case MAC_INTERNALLOOP_SERDES:
if (h->dev->ops->set_loopback)
ret = h->dev->ops->set_loopback(h, loop, 0x1);
break;
case MAC_LOOP_PHY_NONE:
ret = hns_nic_config_phy_loopback(phy_dev, 0x0);
fallthrough;
case MAC_LOOP_NONE:
if (!ret && h->dev->ops->set_loopback) {
if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
ret = h->dev->ops->set_loopback(h,
MAC_INTERNALLOOP_MAC, 0x0);
if (!ret)
ret = h->dev->ops->set_loopback(h,
MAC_INTERNALLOOP_SERDES, 0x0);
}
break;
default:
ret = -EINVAL;
break;
}
if (!ret) {
if (loop == MAC_LOOP_NONE)
h->dev->ops->set_promisc_mode(
h, ndev->flags & IFF_PROMISC);
else
h->dev->ops->set_promisc_mode(h, 1);
}
return ret;
}
static int __lb_up(struct net_device *ndev,
enum hnae_loop loop_mode)
{
#define NIC_LB_TEST_WAIT_PHY_LINK_TIME 300
struct hns_nic_priv *priv = netdev_priv(ndev);
struct hnae_handle *h = priv->ae_handle;
int speed, duplex;
int ret;
hns_nic_net_reset(ndev);
ret = __lb_setup(ndev, loop_mode);
if (ret)
return ret;
msleep(200);
ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
if (ret)
return ret;
/* link adjust duplex*/
if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
speed = 1000;
else
speed = 10000;
duplex = 1;
h->dev->ops->adjust_link(h, speed, duplex);
/* wait adjust link done and phy ready */
msleep(NIC_LB_TEST_WAIT_PHY_LINK_TIME);
return 0;
}
static void __lb_other_process(struct hns_nic_ring_data *ring_data,
struct sk_buff *skb)
{
struct net_device *ndev;
struct hns_nic_priv *priv;
struct hnae_ring *ring;
struct netdev_queue *dev_queue;
struct sk_buff *new_skb;
unsigned int frame_size;
int check_ok;
u32 i;
char buff[33]; /* 32B data and the last character '\0' */
if (!ring_data) { /* Just for doing create frame*/
ndev = skb->dev;
priv = netdev_priv(ndev);
frame_size = skb->len;
memset(skb->data, 0xFF, frame_size);
if ((!AE_IS_VER1(priv->enet_ver)) &&
(priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
memcpy(skb->data, ndev->dev_addr, 6);
skb->data[5] += 0x1f;
}
frame_size &= ~1ul;
memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
memset(&skb->data[frame_size / 2 + 10], 0xBE,
frame_size / 2 - 11);
memset(&skb->data[frame_size / 2 + 12], 0xAF,
frame_size / 2 - 13);
return;
}
ring = ring_data->ring;
ndev = ring_data->napi.dev;
if (is_tx_ring(ring)) { /* for tx queue reset*/
dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
netdev_tx_reset_queue(dev_queue);
return;
}
frame_size = skb->len;
frame_size &= ~1ul;
/* for mutl buffer*/
new_skb = skb_copy(skb, GFP_ATOMIC);
dev_kfree_skb_any(skb);
if (!new_skb) {
netdev_err(ndev, "skb alloc failed\n");
return;
}
skb = new_skb;
check_ok = 0;
if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
(*(skb->data + frame_size / 2 + 12) == 0xAF))
check_ok = 1;
}
if (check_ok) {
ndev->stats.rx_packets++;
ndev->stats.rx_bytes += skb->len;
} else {
ndev->stats.rx_frame_errors++;
for (i = 0; i < skb->len; i++) {
snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
"%02x", *(skb->data + i));
if ((i % 16 == 15) || (i == skb->len - 1))
pr_info("%s\n", buff);
}
}
dev_kfree_skb_any(skb);
}
static int __lb_clean_rings(struct hns_nic_priv *priv,
int ringid0, int ringid1, int budget)
{
int i, ret;
struct hns_nic_ring_data *ring_data;
struct net_device *ndev = priv->netdev;
unsigned long rx_packets = ndev->stats.rx_packets;
unsigned long rx_bytes = ndev->stats.rx_bytes;
unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
for (i = ringid0; i <= ringid1; i++) {
ring_data = &priv->ring_data[i];
(void)ring_data->poll_one(ring_data,
budget, __lb_other_process);
}
ret = (int)(ndev->stats.rx_packets - rx_packets);
ndev->stats.rx_packets = rx_packets;
ndev->stats.rx_bytes = rx_bytes;
ndev->stats.rx_frame_errors = rx_frame_errors;
return ret;
}
/**
* __lb_run_test - run loopback test
* @ndev: net device
* @loop_mode: loopback mode
*/
static int __lb_run_test(struct net_device *ndev,
enum hnae_loop loop_mode)
{
#define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
#define NIC_LB_TEST_RING_ID 0
#define NIC_LB_TEST_FRAME_SIZE 128
/* nic loopback test err */
#define NIC_LB_TEST_NO_MEM_ERR 1
#define NIC_LB_TEST_TX_CNT_ERR 2
#define NIC_LB_TEST_RX_CNT_ERR 3
struct hns_nic_priv *priv = netdev_priv(ndev);
struct hnae_handle *h = priv->ae_handle;
int i, j, lc, good_cnt, ret_val = 0;
unsigned int size;
netdev_tx_t tx_ret_val;
struct sk_buff *skb;
size = NIC_LB_TEST_FRAME_SIZE;
/* allocate test skb */
skb = alloc_skb(size, GFP_KERNEL);
if (!skb)
return NIC_LB_TEST_NO_MEM_ERR;
/* place data into test skb */
(void)skb_put(skb, size);
skb->dev = ndev;
__lb_other_process(NULL, skb);
skb->queue_mapping = NIC_LB_TEST_RING_ID;
lc = 1;
for (j = 0; j < lc; j++) {
/* reset count of good packets */
good_cnt = 0;
/* place 64 packets on the transmit queue*/
for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
(void)skb_get(skb);
tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
ndev, skb,
&tx_ring_data(priv, skb->queue_mapping));
if (tx_ret_val == NETDEV_TX_OK)
good_cnt++;
else
break;
}
if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
ret_val = NIC_LB_TEST_TX_CNT_ERR;
dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
hns_nic_test_strs[loop_mode], good_cnt,
NIC_LB_TEST_PKT_NUM_PER_CYCLE);
break;
}
/* allow 100 milliseconds for packets to go from Tx to Rx */
msleep(100);
good_cnt = __lb_clean_rings(priv,
h->q_num, h->q_num * 2 - 1,
NIC_LB_TEST_PKT_NUM_PER_CYCLE);
if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
ret_val = NIC_LB_TEST_RX_CNT_ERR;
dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
hns_nic_test_strs[loop_mode], good_cnt,
NIC_LB_TEST_PKT_NUM_PER_CYCLE);
break;
}
(void)__lb_clean_rings(priv,
NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
NIC_LB_TEST_PKT_NUM_PER_CYCLE);
}
/* free the original skb */
kfree_skb(skb);
return ret_val;
}
static int __lb_down(struct net_device *ndev, enum hnae_loop loop)
{
struct hns_nic_priv *priv = netdev_priv(ndev);
struct hnae_handle *h = priv->ae_handle;
int ret;
if (loop == MAC_INTERNALLOOP_PHY)
ret = __lb_setup(ndev, MAC_LOOP_PHY_NONE);
else
ret = __lb_setup(ndev, MAC_LOOP_NONE);
if (ret)
netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
__func__,
ret);
if (h->dev->ops->stop)
h->dev->ops->stop(h);
usleep_range(10000, 20000);
(void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
hns_nic_net_reset(ndev);
return 0;
}
/**
* hns_nic_self_test - self test
* @ndev: net device
* @eth_test: test cmd
* @data: test result
*/
static void hns_nic_self_test(struct net_device *ndev,
struct ethtool_test *eth_test, u64 *data)
{
struct hns_nic_priv *priv = netdev_priv(ndev);
bool if_running = netif_running(ndev);
#define SELF_TEST_TPYE_NUM 3
int st_param[SELF_TEST_TPYE_NUM][2];
int i;
int test_index = 0;
st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
st_param[1][0] = MAC_INTERNALLOOP_SERDES;
st_param[1][1] = 1; /*serdes must exist*/
st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) &&
(priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
set_bit(NIC_STATE_TESTING, &priv->state);
if (if_running)
dev_close(ndev);
for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
if (!st_param[i][1])
continue; /* NEXT testing */
data[test_index] = __lb_up(ndev,
(enum hnae_loop)st_param[i][0]);
if (!data[test_index]) {
data[test_index] = __lb_run_test(
ndev, (enum hnae_loop)st_param[i][0]);
(void)__lb_down(ndev,
(enum hnae_loop)st_param[i][0]);
}
if (data[test_index])
eth_test->flags |= ETH_TEST_FL_FAILED;
test_index++;
}
hns_nic_net_reset(priv->netdev);
clear_bit(NIC_STATE_TESTING, &priv->state);
if (if_running)
(void)dev_open(ndev, NULL);
}
/* Online tests aren't run; pass by default */
(void)msleep_interruptible(4 * 1000);
}
/**
* hns_nic_get_drvinfo - get net driver info
* @net_dev: net device
* @drvinfo: driver info
*/
static void hns_nic_get_drvinfo(struct net_device *net_dev,
struct ethtool_drvinfo *drvinfo)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
sizeof(drvinfo->version));
drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
strncpy(drvinfo->bus_info, priv->dev->bus->name,
sizeof(drvinfo->bus_info));
drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
drvinfo->eedump_len = 0;
}
/**
* hns_get_ringparam - get ring parameter
* @net_dev: net device
* @param: ethtool parameter
* @kernel_param: ethtool external parameter
* @extack: netlink extended ACK report struct
*/
static void hns_get_ringparam(struct net_device *net_dev,
struct ethtool_ringparam *param,
struct kernel_ethtool_ringparam *kernel_param,
struct netlink_ext_ack *extack)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_ae_ops *ops;
struct hnae_queue *queue;
u32 uplimit = 0;
queue = priv->ae_handle->qs[0];
ops = priv->ae_handle->dev->ops;
if (ops->get_ring_bdnum_limit)
ops->get_ring_bdnum_limit(queue, &uplimit);
param->rx_max_pending = uplimit;
param->tx_max_pending = uplimit;
param->rx_pending = queue->rx_ring.desc_num;
param->tx_pending = queue->tx_ring.desc_num;
}
/**
* hns_get_pauseparam - get pause parameter
* @net_dev: net device
* @param: pause parameter
*/
static void hns_get_pauseparam(struct net_device *net_dev,
struct ethtool_pauseparam *param)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_ae_ops *ops;
ops = priv->ae_handle->dev->ops;
if (ops->get_pauseparam)
ops->get_pauseparam(priv->ae_handle, &param->autoneg,
&param->rx_pause, &param->tx_pause);
}
/**
* hns_set_pauseparam - set pause parameter
* @net_dev: net device
* @param: pause parameter
*
* Return 0 on success, negative on failure
*/
static int hns_set_pauseparam(struct net_device *net_dev,
struct ethtool_pauseparam *param)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_handle *h;
struct hnae_ae_ops *ops;
h = priv->ae_handle;
ops = h->dev->ops;
if (!ops->set_pauseparam)
return -ESRCH;
return ops->set_pauseparam(priv->ae_handle, param->autoneg,
param->rx_pause, param->tx_pause);
}
/**
* hns_get_coalesce - get coalesce info.
* @net_dev: net device
* @ec: coalesce info.
* @kernel_coal: ethtool CQE mode setting structure
* @extack: extack for reporting error messages
*
* Return 0 on success, negative on failure.
*/
static int hns_get_coalesce(struct net_device *net_dev,
struct ethtool_coalesce *ec,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_ae_ops *ops;
ops = priv->ae_handle->dev->ops;
ec->use_adaptive_rx_coalesce = priv->ae_handle->coal_adapt_en;
ec->use_adaptive_tx_coalesce = priv->ae_handle->coal_adapt_en;
if ((!ops->get_coalesce_usecs) ||
(!ops->get_max_coalesced_frames))
return -ESRCH;
ops->get_coalesce_usecs(priv->ae_handle,
&ec->tx_coalesce_usecs,
&ec->rx_coalesce_usecs);
ops->get_max_coalesced_frames(
priv->ae_handle,
&ec->tx_max_coalesced_frames,
&ec->rx_max_coalesced_frames);
ops->get_coalesce_range(priv->ae_handle,
&ec->tx_max_coalesced_frames_low,
&ec->rx_max_coalesced_frames_low,
&ec->tx_max_coalesced_frames_high,
&ec->rx_max_coalesced_frames_high,
&ec->tx_coalesce_usecs_low,
&ec->rx_coalesce_usecs_low,
&ec->tx_coalesce_usecs_high,
&ec->rx_coalesce_usecs_high);
return 0;
}
/**
* hns_set_coalesce - set coalesce info.
* @net_dev: net device
* @ec: coalesce info.
* @kernel_coal: ethtool CQE mode setting structure
* @extack: extack for reporting error messages
*
* Return 0 on success, negative on failure.
*/
static int hns_set_coalesce(struct net_device *net_dev,
struct ethtool_coalesce *ec,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_ae_ops *ops;
int rc1, rc2;
ops = priv->ae_handle->dev->ops;
if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
return -EINVAL;
if ((!ops->set_coalesce_usecs) ||
(!ops->set_coalesce_frames))
return -ESRCH;
if (ec->use_adaptive_rx_coalesce != priv->ae_handle->coal_adapt_en)
priv->ae_handle->coal_adapt_en = ec->use_adaptive_rx_coalesce;
rc1 = ops->set_coalesce_usecs(priv->ae_handle,
ec->rx_coalesce_usecs);
rc2 = ops->set_coalesce_frames(priv->ae_handle,
ec->tx_max_coalesced_frames,
ec->rx_max_coalesced_frames);
if (rc1 || rc2)
return -EINVAL;
return 0;
}
/**
* hns_get_channels - get channel info.
* @net_dev: net device
* @ch: channel info.
*/
static void
hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
ch->max_rx = priv->ae_handle->q_num;
ch->max_tx = priv->ae_handle->q_num;
ch->rx_count = priv->ae_handle->q_num;
ch->tx_count = priv->ae_handle->q_num;
}
/**
* hns_get_ethtool_stats - get detail statistics.
* @netdev: net device
* @stats: statistics info.
* @data: statistics data.
*/
static void hns_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
u64 *p = data;
struct hns_nic_priv *priv = netdev_priv(netdev);
struct hnae_handle *h = priv->ae_handle;
const struct rtnl_link_stats64 *net_stats;
struct rtnl_link_stats64 temp;
if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
netdev_err(netdev, "get_stats or update_stats is null!\n");
return;
}
h->dev->ops->update_stats(h, &netdev->stats);
net_stats = dev_get_stats(netdev, &temp);
/* get netdev statistics */
p[0] = net_stats->rx_packets;
p[1] = net_stats->tx_packets;
p[2] = net_stats->rx_bytes;
p[3] = net_stats->tx_bytes;
p[4] = net_stats->rx_errors;
p[5] = net_stats->tx_errors;
p[6] = net_stats->rx_dropped;
p[7] = net_stats->tx_dropped;
p[8] = net_stats->multicast;
p[9] = net_stats->collisions;
p[10] = net_stats->rx_over_errors;
p[11] = net_stats->rx_crc_errors;
p[12] = net_stats->rx_frame_errors;
p[13] = net_stats->rx_fifo_errors;
p[14] = net_stats->rx_missed_errors;
p[15] = net_stats->tx_aborted_errors;
p[16] = net_stats->tx_carrier_errors;
p[17] = net_stats->tx_fifo_errors;
p[18] = net_stats->tx_heartbeat_errors;
p[19] = net_stats->rx_length_errors;
p[20] = net_stats->tx_window_errors;
p[21] = net_stats->rx_compressed;
p[22] = net_stats->tx_compressed;
p[23] = 0; /* was netdev->rx_dropped.counter */
p[24] = 0; /* was netdev->tx_dropped.counter */
p[25] = priv->tx_timeout_count;
/* get driver statistics */
h->dev->ops->get_stats(h, &p[26]);
}
/**
* hns_get_strings: Return a set of strings that describe the requested objects
* @netdev: net device
* @stringset: string set ID.
* @data: objects data.
*/
static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
struct hns_nic_priv *priv = netdev_priv(netdev);
struct hnae_handle *h = priv->ae_handle;
u8 *buff = data;
if (!h->dev->ops->get_strings) {
netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
return;
}
if (stringset == ETH_SS_TEST) {
if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
ethtool_sprintf(&buff,
hns_nic_test_strs[MAC_INTERNALLOOP_MAC]);
ethtool_sprintf(&buff,
hns_nic_test_strs[MAC_INTERNALLOOP_SERDES]);
if ((netdev->phydev) && (!netdev->phydev->is_c45))
ethtool_sprintf(&buff,
hns_nic_test_strs[MAC_INTERNALLOOP_PHY]);
} else {
ethtool_sprintf(&buff, "rx_packets");
ethtool_sprintf(&buff, "tx_packets");
ethtool_sprintf(&buff, "rx_bytes");
ethtool_sprintf(&buff, "tx_bytes");
ethtool_sprintf(&buff, "rx_errors");
ethtool_sprintf(&buff, "tx_errors");
ethtool_sprintf(&buff, "rx_dropped");
ethtool_sprintf(&buff, "tx_dropped");
ethtool_sprintf(&buff, "multicast");
ethtool_sprintf(&buff, "collisions");
ethtool_sprintf(&buff, "rx_over_errors");
ethtool_sprintf(&buff, "rx_crc_errors");
ethtool_sprintf(&buff, "rx_frame_errors");
ethtool_sprintf(&buff, "rx_fifo_errors");
ethtool_sprintf(&buff, "rx_missed_errors");
ethtool_sprintf(&buff, "tx_aborted_errors");
ethtool_sprintf(&buff, "tx_carrier_errors");
ethtool_sprintf(&buff, "tx_fifo_errors");
ethtool_sprintf(&buff, "tx_heartbeat_errors");
ethtool_sprintf(&buff, "rx_length_errors");
ethtool_sprintf(&buff, "tx_window_errors");
ethtool_sprintf(&buff, "rx_compressed");
ethtool_sprintf(&buff, "tx_compressed");
ethtool_sprintf(&buff, "netdev_rx_dropped");
ethtool_sprintf(&buff, "netdev_tx_dropped");
ethtool_sprintf(&buff, "netdev_tx_timeout");
h->dev->ops->get_strings(h, stringset, buff);
}
}
/**
* hns_get_sset_count - get string set count returned by nic_get_strings
* @netdev: net device
* @stringset: string set index, 0: self test string; 1: statistics string.
*
* Return string set count.
*/
static int hns_get_sset_count(struct net_device *netdev, int stringset)
{
struct hns_nic_priv *priv = netdev_priv(netdev);
struct hnae_handle *h = priv->ae_handle;
struct hnae_ae_ops *ops = h->dev->ops;
if (!ops->get_sset_count) {
netdev_err(netdev, "get_sset_count is null!\n");
return -EOPNOTSUPP;
}
if (stringset == ETH_SS_TEST) {
u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
cnt--;
if ((!netdev->phydev) || (netdev->phydev->is_c45))
cnt--;
return cnt;
} else if (stringset == ETH_SS_STATS) {
return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
} else {
return -EOPNOTSUPP;
}
}
/**
* hns_phy_led_set - set phy LED status.
* @netdev: net device
* @value: LED state.
*
* Return 0 on success, negative on failure.
*/
static int hns_phy_led_set(struct net_device *netdev, int value)
{
int retval;
struct phy_device *phy_dev = netdev->phydev;
retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
if (retval) {
netdev_err(netdev, "mdiobus_write fail !\n");
return retval;
}
return 0;
}
/**
* hns_set_phys_id - set phy identify LED.
* @netdev: net device
* @state: LED state.
*
* Return 0 on success, negative on failure.
*/
static int
hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
{
struct hns_nic_priv *priv = netdev_priv(netdev);
struct hnae_handle *h = priv->ae_handle;
struct phy_device *phy_dev = netdev->phydev;
int ret;
if (phy_dev)
switch (state) {
case ETHTOOL_ID_ACTIVE:
ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
HNS_PHY_PAGE_LED);
if (ret)
return ret;
priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
HNS_PHY_PAGE_COPPER);
if (ret)
return ret;
return 2;
case ETHTOOL_ID_ON:
ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
if (ret)
return ret;
break;
case ETHTOOL_ID_OFF:
ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
if (ret)
return ret;
break;
case ETHTOOL_ID_INACTIVE:
ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
HNS_PHY_PAGE_LED);
if (ret)
return ret;
ret = phy_write(phy_dev, HNS_LED_FC_REG,
priv->phy_led_val);
if (ret)
return ret;
ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
HNS_PHY_PAGE_COPPER);
if (ret)
return ret;
break;
default:
return -EINVAL;
}
else
switch (state) {
case ETHTOOL_ID_ACTIVE:
return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
case ETHTOOL_ID_ON:
return h->dev->ops->set_led_id(h, HNAE_LED_ON);
case ETHTOOL_ID_OFF:
return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
case ETHTOOL_ID_INACTIVE:
return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
default:
return -EINVAL;
}
return 0;
}
/**
* hns_get_regs - get net device register
* @net_dev: net device
* @cmd: ethtool cmd
* @data: register data
*/
static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
void *data)
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_ae_ops *ops;
ops = priv->ae_handle->dev->ops;
cmd->version = HNS_CHIP_VERSION;
if (!ops->get_regs) {
netdev_err(net_dev, "ops->get_regs is null!\n");
return;
}
ops->get_regs(priv->ae_handle, data);
}
/**
* hns_get_regs_len - get total register len.
* @net_dev: net device
*
* Return total register len.
*/
static int hns_get_regs_len(struct net_device *net_dev)
{
u32 reg_num;
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_ae_ops *ops;
ops = priv->ae_handle->dev->ops;
if (!ops->get_regs_len) {
netdev_err(net_dev, "ops->get_regs_len is null!\n");
return -EOPNOTSUPP;
}
reg_num = ops->get_regs_len(priv->ae_handle);
if (reg_num > 0)
return reg_num * sizeof(u32);
else
return reg_num; /* error code */
}
/**
* hns_nic_nway_reset - nway reset
* @netdev: net device
*
* Return 0 on success, negative on failure
*/
static int hns_nic_nway_reset(struct net_device *netdev)
{
struct phy_device *phy = netdev->phydev;
if (!netif_running(netdev))
return 0;
if (!phy)
return -EOPNOTSUPP;
if (phy->autoneg != AUTONEG_ENABLE)
return -EINVAL;
return genphy_restart_aneg(phy);
}
static u32
hns_get_rss_key_size(struct net_device *netdev)
{
struct hns_nic_priv *priv = netdev_priv(netdev);
struct hnae_ae_ops *ops;
if (AE_IS_VER1(priv->enet_ver)) {
netdev_err(netdev,
"RSS feature is not supported on this hardware\n");
return 0;
}
ops = priv->ae_handle->dev->ops;
return ops->get_rss_key_size(priv->ae_handle);
}
static u32
hns_get_rss_indir_size(struct net_device *netdev)
{
struct hns_nic_priv *priv = netdev_priv(netdev);
struct hnae_ae_ops *ops;
if (AE_IS_VER1(priv->enet_ver)) {
netdev_err(netdev,
"RSS feature is not supported on this hardware\n");
return 0;
}
ops = priv->ae_handle->dev->ops;
return ops->get_rss_indir_size(priv->ae_handle);
}
static int
hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
{
struct hns_nic_priv *priv = netdev_priv(netdev);
struct hnae_ae_ops *ops;
if (AE_IS_VER1(priv->enet_ver)) {
netdev_err(netdev,
"RSS feature is not supported on this hardware\n");
return -EOPNOTSUPP;
}
ops = priv->ae_handle->dev->ops;
if (!indir)
return 0;
return ops->get_rss(priv->ae_handle, indir, key, hfunc);
}
static int
hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
const u8 hfunc)
{
struct hns_nic_priv *priv = netdev_priv(netdev);
struct hnae_ae_ops *ops;
if (AE_IS_VER1(priv->enet_ver)) {
netdev_err(netdev,
"RSS feature is not supported on this hardware\n");
return -EOPNOTSUPP;
}
ops = priv->ae_handle->dev->ops;
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
netdev_err(netdev, "Invalid hfunc!\n");
return -EOPNOTSUPP;
}
return ops->set_rss(priv->ae_handle, indir, key, hfunc);
}
static int hns_get_rxnfc(struct net_device *netdev,
struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
struct hns_nic_priv *priv = netdev_priv(netdev);
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = priv->ae_handle->q_num;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static const struct ethtool_ops hns_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_MAX_FRAMES |
ETHTOOL_COALESCE_USE_ADAPTIVE |
ETHTOOL_COALESCE_USECS_LOW_HIGH |
ETHTOOL_COALESCE_MAX_FRAMES_LOW_HIGH,
.get_drvinfo = hns_nic_get_drvinfo,
.get_link = hns_nic_get_link,
.get_ringparam = hns_get_ringparam,
.get_pauseparam = hns_get_pauseparam,
.set_pauseparam = hns_set_pauseparam,
.get_coalesce = hns_get_coalesce,
.set_coalesce = hns_set_coalesce,
.get_channels = hns_get_channels,
.self_test = hns_nic_self_test,
.get_strings = hns_get_strings,
.get_sset_count = hns_get_sset_count,
.get_ethtool_stats = hns_get_ethtool_stats,
.set_phys_id = hns_set_phys_id,
.get_regs_len = hns_get_regs_len,
.get_regs = hns_get_regs,
.nway_reset = hns_nic_nway_reset,
.get_rxfh_key_size = hns_get_rss_key_size,
.get_rxfh_indir_size = hns_get_rss_indir_size,
.get_rxfh = hns_get_rss,
.set_rxfh = hns_set_rss,
.get_rxnfc = hns_get_rxnfc,
.get_link_ksettings = hns_nic_get_link_ksettings,
.set_link_ksettings = hns_nic_set_link_ksettings,
};
void hns_ethtool_set_ops(struct net_device *ndev)
{
ndev->ethtool_ops = &hns_ethtool_ops;
}