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Message-ID: <80c8a02f-95b9-8e96-b05c-016b43876c15@blackwall.org>
Date:   Sat, 27 Aug 2022 18:52:07 +0300
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Subject: Re: [PATCH v5 net-next 2/6] net: switchdev: add support for
 offloading of fdb locked flag
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To:     Ido Schimmel <idosch@nvidia.com>,
        Hans Schultz <netdev@kapio-technology.com>
Cc:     davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org,
        Florian Fainelli <f.fainelli@gmail.com>,
        Andrew Lunn <andrew@lunn.ch>,
        Vivien Didelot <vivien.didelot@gmail.com>,
        Vladimir Oltean <olteanv@gmail.com>,
        Eric Dumazet <edumazet@google.com>,
        Paolo Abeni <pabeni@redhat.com>,
        Kurt Kanzenbach <kurt@linutronix.de>,
        Hauke Mehrtens <hauke@hauke-m.de>,
        Woojung Huh <woojung.huh@microchip.com>,
        UNGLinuxDriver@microchip.com, Sean Wang <sean.wang@mediatek.com>,
        Landen Chao <Landen.Chao@mediatek.com>,
        DENG Qingfang <dqfext@gmail.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Claudiu Manoil <claudiu.manoil@nxp.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Jiri Pirko <jiri@resnulli.us>,
        Ivan Vecera <ivecera@redhat.com>,
        Roopa Prabhu <roopa@nvidia.com>, Shuah Khan <shuah@kernel.org>,
        Christian Marangi <ansuelsmth@gmail.com>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Yuwei Wang <wangyuweihx@gmail.com>,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org,
        bridge@lists.linux-foundation.org, linux-kselftest@vger.kernel.org
References: <20220826114538.705433-1-netdev@kapio-technology.com>
 <20220826114538.705433-3-netdev@kapio-technology.com>
 <Ywo8PONgDW/lUj+X@shredder>
From:   Nikolay Aleksandrov <razor@blackwall.org>
In-Reply-To: <Ywo8PONgDW/lUj+X@shredder>
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On 27/08/2022 18:46, Ido Schimmel wrote:
> On Fri, Aug 26, 2022 at 01:45:34PM +0200, Hans Schultz wrote:
>> diff --git a/include/net/switchdev.h b/include/net/switchdev.h
>> index 7dcdc97c0bc3..437945179373 100644
>> --- a/include/net/switchdev.h
>> +++ b/include/net/switchdev.h
>> @@ -247,7 +247,10 @@ struct switchdev_notifier_fdb_info {
>>  	const unsigned char *addr;
>>  	u16 vid;
>>  	u8 added_by_user:1,
>> +	   sticky:1,
> 
> If mv88e6xxx reports entries with 'is_local=1, locked=1, blackhole=1',
> then the 'sticky' bit can be removed for now (we will need it some day
> to support sticky entries notified from the bridge). This takes care of
> the discrepancy Nik mentioned here:
> 
> https://lore.kernel.org/netdev/d1de0337-ae16-7dca-b212-1a4e85129c31@blackwall.org/
> 

+1

>>  	   is_local:1,
>> +	   locked:1,
>> +	   blackhole:1,
>>  	   offloaded:1;
>>  };