diff options
Diffstat (limited to 'drivers/net/mlx4/en_ethtool.c')
| -rw-r--r-- | drivers/net/mlx4/en_ethtool.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/net/mlx4/en_ethtool.c b/drivers/net/mlx4/en_ethtool.c index d5afd037cd7..b275238fe70 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, }; |