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Date:   Wed, 24 Aug 2022 22:29:20 +0200
From:   netdev@kapio-technology.com
To:     Ido Schimmel <idosch@nvidia.com>
Cc:     Vladimir Oltean <olteanv@gmail.com>, davem@davemloft.net,
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Subject: Re: [PATCH v4 net-next 3/6] drivers: net: dsa: add locked fdb entry
 flag to drivers
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On 2022-08-21 09:08, Ido Schimmel wrote:
> 
> I assume you want a hub to simulate multiple MACs behind the same port.
> You don't need a hub for that. You can set the MAC using mausezahn. See
> '-a' option:
> 
> "
>    -a <src-mac|keyword>
>        Use specified source MAC address with hexadecimal notation such
> as 00:00:aa:bb:cc:dd.  By default the interface MAC address will be
> used. The  keywords  ''rand''
>        and  ''own''  refer to a random MAC address (only unicast
> addresses are created) and the own address, respectively. You can also
> use the keywords mentioned below
>        although broadcast-type source addresses are officially invalid.
> "
> 


Ido, I am not so known to the selftests, so I am wondering why I don't 
see either check_err or check_fail fail, whichever I use, when I think 
they should and then they are not really checking...


         local mac=10:20:30:30:20:10


         $MZ $h1 -t udp -a $mac -b rand
         bridge fdb show dev $swp1 | grep -q "$mac vlan 1 master br0 
locked"
         check_err $? "MAB station move: no locked entry on first 
injection"

         $MZ $h2 -t udp -a $mac -b rand
         bridge fdb show dev $swp1 | grep -q "$mac vlan 1 master br0 
locked"
         check_err $? "MAB station move: locked entry did not move"

What is wrong here?

For a mv88e6xxx test I guess I can make a check to verify that this 
driver is in use?