netdev - Re: [PATCH net-next 1/2] net: dsa: lan9303: Set up trapping of IGMP to CPU port

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 10 Nov 2017 15:10:00 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Egil Hjelmeland <privat@...l-hjelmeland.no>
Cc:     vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] net: dsa: lan9303: Set up trapping of IGMP
 to CPU port

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 <privat@...l-hjelmeland.no>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew