From c047a1f918af75e572a19ba0581c3e3e202ed698 Mon Sep 17 00:00:00 2001
From: Andrew Lunn <andrew@lunn.ch>
Date: Tue, 29 Sep 2015 01:50:56 +0200
Subject: dsa: mv88e6xxx: Enable forwarding for unknown to the CPU port

Frames destined to an unknown address must be forwarded to the CPU
port. Otherwise incoming ARP, dhcp leases, etc, do not work.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index f8baa89..1f7dd92 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2051,6 +2051,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
 				reg |= PORT_CONTROL_FRAME_ETHER_TYPE_DSA;
 			else
 				reg |= PORT_CONTROL_FRAME_MODE_DSA;
+			reg |= PORT_CONTROL_FORWARD_UNKNOWN |
+				PORT_CONTROL_FORWARD_UNKNOWN_MC;
 		}
 
 		if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
-- 
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