netdev - Re: [PATCH 0/4] RFC CPSW switchdev mode

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Message-ID: <20180524152559.GF5128@lunn.ch>
Date:   Thu, 24 May 2018 17:25:59 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Ilias Apalodimas <ilias.apalodimas@...aro.org>
Cc:     Ivan Vecera <ivecera@...hat.com>, Jiri Pirko <jiri@...nulli.us>,
        netdev@...r.kernel.org, grygorii.strashko@...com,
        ivan.khoronzhuk@...aro.org, nsekhar@...com,
        francois.ozog@...aro.org, yogeshs@...com, spatton@...com
Subject: Re: [PATCH 0/4] RFC CPSW switchdev mode

> > That i can understand. And it should actually work now with
> > switchdev. It performs IGMP snooping, and if there is nothing joining
> > the group on the CPU, it won't add an MDB entry to forward traffic to
> > the CPU.

> Yes, but this should be configurable (i.e the customer can deny adding the MDB
> on the cpu port)

O.K, back to the basic idea. Switch ports are just normal Linux
interfaces.

How would you configure this with two e1000e put in a bridge? I want
multicast to be bridged between the two e1000e, but the host stack
should not see the packets.

	Andrew