linux-kernel - Re: [PATCH net-next 07/11] net: dsa: debugfs: add port fdb

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Message-ID: <20170814224710.GD16885@lunn.ch>
Date:   Tue, 15 Aug 2017 00:47:10 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Egil Hjelmeland <privat@...l-hjelmeland.no>,
        John Crispin <john@...ozen.org>,
        Woojung Huh <Woojung.Huh@...rochip.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Volodymyr Bendiuga <volodymyr.bendiuga@...il.com>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Maxime Hadjinlian <maxime@...ialet.com>,
        Chris Healy <cphealy@...il.com>,
        Maxim Uvarov <muvarov@...il.com>,
        Stefan Eichenberger <eichest@...il.com>,
        Jason Cobham <jcobham@...stertangent.com>,
        Juergen Borleis <jbe@...gutronix.de>,
        Tobias Waldekranz <tobias@...dekranz.com>
Subject: Re: [PATCH net-next 07/11] net: dsa: debugfs: add port fdb

On Mon, Aug 14, 2017 at 06:22:38PM -0400, Vivien Didelot wrote:
> Add a debug filesystem "fdb" entry to query a port's hardware FDB
> entries through the .port_fdb_dump switch operation.
> 
> This is really convenient to query directly the hardware or inspect DSA
> or CPU links, since these ports are not exposed to userspace.
> 
>     # cat port1/fdb
>     vid 0    12:34:56:78:90:ab    static    unicast
> 
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew