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net/mlx5e: Fix VXLAN configuration restore after function reload 

When detaching netdev, remove vxlan port configuration using
udp_tunnel_drop_rx_info. During function reload, configuration will be
restored using udp_tunnel_get_rx_info. This ensures sync between
firmware and driver. Use udp_tunnel_get_rx_info even if its physical
interface is down.

Fixes: 4383cfcc65 ("net/mlx5: Add devlink reload")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Aya Levin 2020-06-24 19:04:03 +03:00 committed by Saeed Mahameed
parent c1aea9e176
commit b3c2ed21c0
1 changed files with 4 additions and 3 deletions
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7
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -3104,9 +3104,6 @@ int mlx5e_open(struct net_device *netdev)
mlx5_set_port_admin_status(priv->mdev, MLX5_PORT_UP);
mutex_unlock(&priv->state_lock);
if (mlx5_vxlan_allowed(priv->mdev->vxlan))
udp_tunnel_get_rx_info(netdev);
return err;
}
@ -5202,6 +5199,8 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
rtnl_lock();
if (netif_running(netdev))
mlx5e_open(netdev);
if (mlx5_vxlan_allowed(priv->mdev->vxlan))
udp_tunnel_get_rx_info(netdev);
netif_device_attach(netdev);
rtnl_unlock();
}
@ -5216,6 +5215,8 @@ static void mlx5e_nic_disable(struct mlx5e_priv *priv)
rtnl_lock();
if (netif_running(priv->netdev))
mlx5e_close(priv->netdev);
if (mlx5_vxlan_allowed(priv->mdev->vxlan))
udp_tunnel_drop_rx_info(priv->netdev);
netif_device_detach(priv->netdev);
rtnl_unlock();