mlxsw: spectrum_router: Add FIB abort warning

Add a warning that the abort mechanism was triggered for device.
Also avoid going through the procedure if abort was already done.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

@@ -1877,6 +1877,9 @@ static void mlxsw_sp_router_fib4_abort(struct mlxsw_sp *mlxsw_sp)
 	int i;
 	int err;
 
+	if (mlxsw_sp->router.aborted)
+		return;
+	dev_warn(mlxsw_sp->bus_info->dev, "FIB abort triggered. Note that FIB entries are no longer being offloaded to this device.\n");
 	for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_VRS); i++) {
 		vr = &mlxsw_sp->router.vrs[i];
 		if (!vr->used)