4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Shahar Klein <shahark@xxxxxxxxxxxx>
[ Upstream commit a117f73dc2430443f23e18367fa545981129c1a6 ]
When mlx5_core is loaded it is expected to sync ports
with all vxlan devices so it can support vxlan encap/decap.
This is done via udp_tunnel_get_rx_info(). Currently this
call is set in mlx5e_nic_enable() and if the netdev is not in
NETREG_REGISTERED state it will not be called.
Normally on load the netdev state is not NETREG_REGISTERED
so udp_tunnel_get_rx_info() will not be called.
Moving udp_tunnel_get_rx_info() to mlx5e_open() so
it will be called on netdev UP event and allow encap/decap.
Fixes: 610e89e05c3f ("net/mlx5e: Don't sync netdev state when not registered")
Signed-off-by: Shahar Klein <shahark@xxxxxxxxxxxx>
Reviewed-by: Roi Dayan <roid@xxxxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2741,6 +2741,9 @@ static int set_feature_lro(struct net_de
mutex_unlock(&priv->state_lock);
+ if (mlx5e_vxlan_allowed(priv->mdev))
+ udp_tunnel_get_rx_info(netdev);
+
return err;
}
@@ -3785,13 +3788,6 @@ static void mlx5e_nic_enable(struct mlx5
if (netdev->reg_state != NETREG_REGISTERED)
return;
- /* Device already registered: sync netdev system state */
- if (mlx5e_vxlan_allowed(mdev)) {
- rtnl_lock();
- udp_tunnel_get_rx_info(netdev);
- rtnl_unlock();
- }
-
queue_work(priv->wq, &priv->set_rx_mode_work);
}