linux-kernel - Re: [PATCH] net: dsa: b53: Fix egress flooding settings

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Date:   Mon, 16 Dec 2019 11:46:52 -0500
From:   Vivien Didelot <vivien.didelot@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net: dsa: b53: Fix egress flooding settings

On Fri, 13 Dec 2019 12:00:27 -0800, Florian Fainelli <f.fainelli@...il.com> wrote:
> There were several issues with 53568438e381 ("net: dsa: b53: Add support for port_egress_floods callback") that resulted in breaking connectivity for standalone ports:
> 
> - both user and CPU ports must allow unicast and multicast forwarding by
>   default otherwise this just flat out breaks connectivity for
>   standalone DSA ports
> - IP multicast is treated similarly as multicast, but has separate
>   control registers
> - the UC, MC and IPMC lookup failure register offsets were wrong, and
>   instead used bit values that are meaningful for the
>   B53_IP_MULTICAST_CTRL register
> 
> Fixes: 53568438e381 ("net: dsa: b53: Add support for port_egress_floods callback")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Reviewed-by: Vivien Didelot <vivien.didelot@...il.com>