From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lunn Subject: [PATCH] dsa: mv88e6xxx: Enable forwarding for unknown to the CPU port Date: Tue, 29 Sep 2015 01:50:56 +0200 Message-ID: <1443484256-28873-1-git-send-email-andrew@lunn.ch> Cc: netdev , Russell King , Andrew Lunn To: David Miller Return-path: Received: from vps0.lunn.ch ([178.209.37.122]:36538 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753955AbbI1X7R (ORCPT ); Mon, 28 Sep 2015 19:59:17 -0400 Sender: netdev-owner@vger.kernel.org List-ID: 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 --- drivers/net/dsa/mv88e6xxx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index 6f13f7206762..75831fe29868 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2050,6 +2050,8 @@ 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) || -- 2.5.1