summaryrefslogtreecommitdiffstats
path: root/drivers/net/mlx4/en_ethtool.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/mlx4/en_ethtool.c')
-rw-r--r--drivers/net/mlx4/en_ethtool.c38
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/net/mlx4/en_ethtool.c b/drivers/net/mlx4/en_ethtool.c
index d5afd03..b275238 100644
--- a/drivers/net/mlx4/en_ethtool.c
+++ b/drivers/net/mlx4/en_ethtool.c
@@ -387,6 +387,42 @@ static void mlx4_en_get_ringparam(struct net_device *dev,
param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size;
}
+static int mlx4_ethtool_op_set_flags(struct net_device *dev, u32 data)
+{
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_en_dev *mdev = priv->mdev;
+ int rc = 0;
+ int changed = 0;
+
+ if (data & ~ETH_FLAG_LRO)
+ return -EOPNOTSUPP;
+
+ if (data & ETH_FLAG_LRO) {
+ if (mdev->profile.num_lro == 0)
+ return -EOPNOTSUPP;
+ if (!(dev->features & NETIF_F_LRO))
+ changed = 1;
+ } else if (dev->features & NETIF_F_LRO) {
+ changed = 1;
+ }
+
+ if (changed) {
+ if (netif_running(dev)) {
+ mutex_lock(&mdev->state_lock);
+ mlx4_en_stop_port(dev);
+ }
+ dev->features ^= NETIF_F_LRO;
+ if (netif_running(dev)) {
+ rc = mlx4_en_start_port(dev);
+ if (rc)
+ en_err(priv, "Failed to restart port\n");
+ mutex_unlock(&mdev->state_lock);
+ }
+ }
+
+ return rc;
+}
+
const struct ethtool_ops mlx4_en_ethtool_ops = {
.get_drvinfo = mlx4_en_get_drvinfo,
.get_settings = mlx4_en_get_settings,
@@ -415,7 +451,7 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
.get_ringparam = mlx4_en_get_ringparam,
.set_ringparam = mlx4_en_set_ringparam,
.get_flags = ethtool_op_get_flags,
- .set_flags = ethtool_op_set_flags,
+ .set_flags = mlx4_ethtool_op_set_flags,
};
OpenPOWER on IntegriCloud