linux-kernel - Re: [PATCH net-next] net: dsa: initialize the routing table

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Date:	Sat, 09 Jul 2016 00:00:28 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	vivien.didelot@...oirfairelinux.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel@...oirfairelinux.com, f.fainelli@...il.com, andrew@...n.ch
Subject: Re: [PATCH net-next] net: dsa: initialize the routing table

From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Date: Wed,  6 Jul 2016 20:03:54 -0400

> The routing table of every switch in a tree is currently initialized to
> all zeros. This is an issue since 0 is a valid port number.
> 
> Add a DSA_RTABLE_NONE=-1 constant to initialize the signed values of the
> routing table pointing to other switches.
> 
> This fixes the device mapping of the mv88e6xxx driver where the port
> pointing to the switch itself and to non-existent switches was wrongly
> configured to be 0. It is now set to the expected 0xf value.
> 
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

Applied.