netdev - Re: [RFC net-next 0/5] net: dsa: LAG support

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Message-ID: <20171002125109.GA4765@lunn.ch>
Date:   Mon, 2 Oct 2017 14:51:09 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, vivien.didelot@...oirfairelinux.com,
        jiri@...nulli.us, idosch@...lanox.com, Woojung.Huh@...rochip.com,
        john@...ozen.org, sean.wang@...iatek.com
Subject: Re: [RFC net-next 0/5] net: dsa: LAG support

> - not sure what to do with a switch fabric, naively, if adding two ports
>   of two distinct switches as a LAG group, we may have to propagate that
>   to "dsa" cross-chip interfaces as well

Hi Florian

Marvell switches do support this. If i remember correctly, it requires
some setup for forwarding over the DSA ports.

But for a first implementation, i would be tempted to disallow such
setups. Force the LAG members to be on the same switch.

	Andrew