linux-kernel - Re: [PATCH net-next 1/3] net: dsa: add MDB support

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Date:   Wed, 31 Aug 2016 16:33:15 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH net-next 1/3] net: dsa: add MDB support

> > Does the bridge code use multicast group when referring to L2?
> 
> The switchdev MDB attribute is very similary to the FDB attribute. It
> contains the VLAN ID and the Ethernet MAC address of the group.

Hi Vivien

I'm just trying to avoid the use of 'multicast group' for a L2 entity,
unless it is already widespread used so in the bridge code. If the
bridge code does consider L2 a 'multciast group', fine, lets document
it so. But if the bridge code only uses 'multciast group' to mean L3,
we should not use it here for L2.

       Andrew