netdev - Re: [PATCH v2 net-next 3/4] net: dsa: mv88e6xxx: mac-auth/MAB implementation

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Date:   Thu, 17 Mar 2022 08:26:01 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Hans Schultz <schultz.hans@...il.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        Hans Schultz <schultz.hans+netdev@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Ivan Vecera <ivecera@...hat.com>,
        Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Shuah Khan <shuah@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Ido Schimmel <idosch@...dia.com>, linux-kernel@...r.kernel.org,
        bridge@...ts.linux-foundation.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v2 net-next 3/4] net: dsa: mv88e6xxx: mac-auth/MAB
 implementation

On Thu, 17 Mar 2022 10:39:01 +0100 Hans Schultz wrote:
> This implementation for the Marvell mv88e6xxx chip series, is
> based on handling ATU miss violations occurring when packets
> ingress on a port that is locked. The mac address triggering
> the ATU miss violation is communicated through switchdev to
> the bridge module, which adds a fdb entry with the fdb locked
> flag set.
> Note: The locked port must have learning enabled for the ATU
> miss violation to occur.
> 
> Signed-off-by: Hans Schultz <schultz.hans+netdev@...il.com>

drivers/net/dsa/mv88e6xxx/mv88e6xxx_switchdev.c:32:5: warning: no previous prototype for ‘mv88e6xxx_switchdev_handle_atu_miss_violation’ [-Wmissing-prototypes]
  32 | int mv88e6xxx_switchdev_handle_atu_miss_violation(struct mv88e6xxx_chip *chip,
     |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~