dpaa2-switch: mark skbs with offload_fwd_mark

If a switch port is under a bridge, the offload_fwd_mark should be setup
before sending the skb towards the stack so that the bridge does not try
to flood the packet on the other switch ports.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c

@@ -2005,6 +2005,9 @@ static void dpaa2_switch_rx(struct dpaa2_switch_fq *fq,
 	skb->dev = netdev;
 	skb->protocol = eth_type_trans(skb, skb->dev);
 
+	/* Setup the offload_fwd_mark only if the port is under a bridge */
+	skb->offload_fwd_mark = !!(port_priv->fdb->bridge_dev);
+
 	netif_receive_skb(skb);
 
 	return;