diff options
| author | Yegor Yefremov <yegorslists@googlemail.com> | 2016-11-28 10:47:52 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-30 10:13:30 -0500 |
| commit | 6bb10c2bc6576d80d2e933a58b4210101e56c30c (patch) | |
| tree | 5910b0c88ef6a8ddef80b980739512e36ad4f46a /drivers | |
| parent | 6d5274eba48539bf4fcea3fa85d8789e4a6b3425 (diff) | |
| download | linux-6bb10c2bc6576d80d2e933a58b4210101e56c30c.tar.bz2 | |
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: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index df87bfff04f8..caec6acd04d3 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2261,6 +2261,18 @@ static int cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata) 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 = { .get_drvinfo = cpsw_get_drvinfo, .get_msglevel = cpsw_get_msglevel, @@ -2286,6 +2298,7 @@ static const struct ethtool_ops cpsw_ethtool_ops = { .set_link_ksettings = cpsw_set_link_ksettings, .get_eee = cpsw_get_eee, .set_eee = cpsw_set_eee, + .nway_reset = cpsw_nway_reset, }; static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_common *cpsw, |