linux-kernel - Re: [PATCH net] net: dsa: b53: Turn off Broadcom tags for more switches

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Date:   Thu, 04 Jan 2018 09:58:01 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     f.fainelli@...il.com
Cc:     netdev@...r.kernel.org, jochen@...am.de, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: dsa: b53: Turn off Broadcom tags for more
 switches

From: Florian Fainelli <f.fainelli@...il.com>
Date: Wed,  3 Jan 2018 22:02:29 -0800

> Models such as BCM5395/97/98 and BCM53125/24/53115 and compatible require that
> we turn on managed mode to actually act on Broadcom tags, otherwise they just
> pass them through on ingress (host -> switch) and don't insert them in egress
> (switch -> host). Turning on managed mode is simple, but requires us to
> properly support ARL misses on multicast addresses which is a much more
> involved set of changes not suitable for a bug fix for this release.
> 
> Reported-by: Jochen Friedrich <jochen@...am.de>
> Fixes: 7edc58d614d4 ("net: dsa: b53: Turn on Broadcom tags")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Applied.