From e86a8987e458a1826f509c41494b0b29a61144a7 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 15 Nov 2016 10:06:30 -0800 Subject: [PATCH] net: phy: Add phy_ethtool_nway_reset This function just calls into genphy_restart_aneg() to perform an autonegotation restart. Signed-off-by: Florian Fainelli Signed-off-by: David S. Miller --- drivers/net/phy/phy.c | 11 +++++++++++ include/linux/phy.h | 1 + 2 files changed, 12 insertions(+) diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index e6dd222fddb1..73adbaa9ac86 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1441,3 +1441,14 @@ int phy_ethtool_set_link_ksettings(struct net_device *ndev, return phy_ethtool_ksettings_set(phydev, cmd); } EXPORT_SYMBOL(phy_ethtool_set_link_ksettings); + +int phy_ethtool_nway_reset(struct net_device *ndev) +{ + struct phy_device *phydev = ndev->phydev; + + if (!phydev) + return -ENODEV; + + return genphy_restart_aneg(phydev); +} +EXPORT_SYMBOL(phy_ethtool_nway_reset); diff --git a/include/linux/phy.h b/include/linux/phy.h index 9880d73a2c3d..b9bd3b4f4ea1 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -860,6 +860,7 @@ int phy_ethtool_get_link_ksettings(struct net_device *ndev, struct ethtool_link_ksettings *cmd); int phy_ethtool_set_link_ksettings(struct net_device *ndev, const struct ethtool_link_ksettings *cmd); +int phy_ethtool_nway_reset(struct net_device *ndev); int __init mdio_bus_init(void); void mdio_bus_exit(void); -- 2.20.1