From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lunn Subject: Re: [PATCH net-next 1/2] net: dsa: lan9303: Set up trapping of IGMP to CPU port Date: Fri, 10 Nov 2017 15:10:00 +0100 Message-ID: <20171110141000.GD11872@lunn.ch> References: <20171110115435.4261-1-privat@egil-hjelmeland.no> <20171110115435.4261-2-privat@egil-hjelmeland.no> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: vivien.didelot@savoirfairelinux.com, f.fainelli@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Egil Hjelmeland Return-path: Content-Disposition: inline In-Reply-To: <20171110115435.4261-2-privat@egil-hjelmeland.no> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, Nov 10, 2017 at 12:54:34PM +0100, Egil Hjelmeland wrote: > IGMP packets should be trapped to the CPU port. The SW bridge knows > whether to forward to other ports. > > With "IGMP snooping for local traffic" merged, IGMP trapping is also > required for stable IGMPv2 operation. > > LAN9303 does not trap IGMP packets by default. > > Enable IGMP trapping in lan9303_setup. > > Signed-off-by: Egil Hjelmeland Reviewed-by: Andrew Lunn Andrew