net/mlx5: Allow co-enablement of uplink LAG and SRIOV

Enable setting uplink LAG if sriov is enabled on both ports in switchdev
mode.

Once the sriov mode is changed from switchdev for any of the ports, the
LAG instance is disabled.

Signed-off-by: Rabie Loulou <[email protected]>
Signed-off-by: Aviv Heller <[email protected]>
Signed-off-by: Jianbo Liu <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>

Author: Rabie Loulou

drivers/net/ethernet/mellanox/mlx5/core/eswitch.c

@@ -2232,8 +2232,10 @@ EXPORT_SYMBOL_GPL(mlx5_eswitch_mode);
 
 bool mlx5_esw_lag_prereq(struct mlx5_core_dev *dev0, struct mlx5_core_dev *dev1)
 {
-	if (dev0->priv.eswitch->mode == SRIOV_NONE &&
-	    dev1->priv.eswitch->mode == SRIOV_NONE)
+	if ((dev0->priv.eswitch->mode == SRIOV_NONE &&
+	     dev1->priv.eswitch->mode == SRIOV_NONE) ||
+	    (dev0->priv.eswitch->mode == SRIOV_OFFLOADS &&
+	     dev1->priv.eswitch->mode == SRIOV_OFFLOADS))
 		return true;
 
 	return false;