Commit 6bb10c2b authored by Yegor Yefremov's avatar Yegor Yefremov Committed by David S. Miller

cpsw: ethtool: add support for nway reset

This patch adds support for ethtool's '-r' command. Restarting
N-WAY negotiation can be useful to activate newly changed EEE
settings etc.
Signed-off-by: default avatarYegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6d5274eb
...@@ -2261,6 +2261,18 @@ static int cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata) ...@@ -2261,6 +2261,18 @@ static int cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata)
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }
static int cpsw_nway_reset(struct net_device *ndev)
{
struct cpsw_priv *priv = netdev_priv(ndev);
struct cpsw_common *cpsw = priv->cpsw;
int slave_no = cpsw_slave_index(cpsw, priv);
if (cpsw->slaves[slave_no].phy)
return genphy_restart_aneg(cpsw->slaves[slave_no].phy);
else
return -EOPNOTSUPP;
}
static const struct ethtool_ops cpsw_ethtool_ops = { static const struct ethtool_ops cpsw_ethtool_ops = {
.get_drvinfo = cpsw_get_drvinfo, .get_drvinfo = cpsw_get_drvinfo,
.get_msglevel = cpsw_get_msglevel, .get_msglevel = cpsw_get_msglevel,
...@@ -2286,6 +2298,7 @@ static const struct ethtool_ops cpsw_ethtool_ops = { ...@@ -2286,6 +2298,7 @@ static const struct ethtool_ops cpsw_ethtool_ops = {
.set_link_ksettings = cpsw_set_link_ksettings, .set_link_ksettings = cpsw_set_link_ksettings,
.get_eee = cpsw_get_eee, .get_eee = cpsw_get_eee,
.set_eee = cpsw_set_eee, .set_eee = cpsw_set_eee,
.nway_reset = cpsw_nway_reset,
}; };
static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_common *cpsw, static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_common *cpsw,
......
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