linux-kernel - Re: [PATCH net-next] net: dsa: add cross-chip multicast support

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Message-ID: <52745077-effa-1592-5ab1-2778b394cf91@gmail.com>
Date:   Thu, 15 Jun 2017 17:34:27 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>,
        Jason Cobham <jcobham@...stertangent.com>
Subject: Re: [PATCH net-next] net: dsa: add cross-chip multicast support

On 06/15/2017 01:14 PM, Vivien Didelot wrote:
> Similarly to how cross-chip VLAN works, define a bitmap of multicast
> group members for a switch, now including its DSA ports, so that
> multicast traffic can be sent to all switches of the fabric.
> 
> A switch may drop the frames if no user port is a member.
> 
> This brings support for multicast in a multi-chip environment.
> As of now, all switches of the fabric must support the multicast
> operations in order to program a single fabric port.
> 
> Reported-by: Jason Cobham <jcobham@...stertangent.com>
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian