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

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Message-ID: <20180524160254.GA22461@apalos>
Date:   Thu, 24 May 2018 19:02:54 +0300
From:   Ilias Apalodimas <ilias.apalodimas@...aro.org>
To:     Andrew Lunn <andrew@...n.ch>
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

On Thu, May 24, 2018 at 05:25:59PM +0200, Andrew Lunn wrote:
> 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.
I am not sure i am following. I might be missing something. In your case you
got two ethernet pci/pcie interfaces bridged through software. You can filter
those if needed. In the case we are trying to cover, you got a hardware that
offers that capability. Since not all switches are pcie based shouldn't we be
able to allow this ?

Regards
Ilias