net/mlx5: E-Switch, Fix switching to switchdev mode with IB device disabled

In case that IB device is already disabled when moving to switchdev mode,
which can happen when working with LAG, need to do rescan_drivers()
before leaving in order to add ethernet representor auxiliary device.

Fixes: ab85ebf43723 ("net/mlx5: E-switch, refactor eswitch mode change")
Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241203204920.232744-4-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index d6ff2dc4c19e9df18992de2eab07fc68a5f63dcb..5213d5b2cad58dd12719e1faaa4528c81cc8addc 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2338,6 +2338,7 @@ static void esw_mode_change(struct mlx5_eswitch *esw, u16 mode)
 
        if (esw->dev->priv.flags & MLX5_PRIV_FLAGS_DISABLE_IB_ADEV) {
                esw->mode = mode;
+               mlx5_rescan_drivers_locked(esw->dev);
                mlx5_devcom_comp_unlock(esw->dev->priv.hca_devcom_comp);
                return;
        }