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From a15c33450df64f183c8ab5de8ef113091081679d Mon Sep 17 00:00:00 2001
From: Maxime Bizon <mbizon@freebox.fr>
Date: Tue, 4 Jun 2013 20:53:33 +0000
Subject: [PATCH 1/3] bcm63xx_enet: implement reset autoneg ethtool callback
Implement the rset_nway ethtool callback which uses libphy generic
autonegotiation restart function.
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
---
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1328,6 +1328,20 @@ static void bcm_enet_get_ethtool_stats(s
mutex_unlock(&priv->mib_update_lock);
}
+static int bcm_enet_nway_reset(struct net_device *dev)
+{
+ struct bcm_enet_priv *priv;
+
+ priv = netdev_priv(dev);
+ if (priv->has_phy) {
+ if (!priv->phydev)
+ return -ENODEV;
+ return genphy_restart_aneg(priv->phydev);
+ }
+
+ return -EOPNOTSUPP;
+}
+
static int bcm_enet_get_settings(struct net_device *dev,
struct ethtool_cmd *cmd)
{
@@ -1470,6 +1484,7 @@ static const struct ethtool_ops bcm_enet
.get_strings = bcm_enet_get_strings,
.get_sset_count = bcm_enet_get_sset_count,
.get_ethtool_stats = bcm_enet_get_ethtool_stats,
+ .nway_reset = bcm_enet_nway_reset,
.get_settings = bcm_enet_get_settings,
.set_settings = bcm_enet_set_settings,
.get_drvinfo = bcm_enet_get_drvinfo,
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