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net: hns3: add support for nway_reset 

This patch adds nway_reset support for ethtool cmd.

Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Fuyun Liang 2017-11-03 12:18:29 +08:00 committed by David S. Miller
parent 80cb5f3d97
commit d63671d27c
1 changed files with 18 additions and 0 deletions
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18
drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c
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@ -832,6 +832,23 @@ static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
}
}
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 const struct ethtool_ops hns3_ethtool_ops = {
.self_test = hns3_self_test,
.get_drvinfo = hns3_get_drvinfo,
@ -850,6 +867,7 @@ static const struct ethtool_ops hns3_ethtool_ops = {
.set_rxfh = hns3_set_rss,
.get_link_ksettings = hns3_get_link_ksettings,
.set_link_ksettings = hns3_set_link_ksettings,
.nway_reset = hns3_nway_reset,
};
void hns3_ethtool_set_ops(struct net_device *netdev)