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Message-ID: <715c068915c9f07ad62d9837e70df7a1@kapio-technology.com>
Date:   Thu, 20 Oct 2022 21:43:40 +0200
From:   netdev@...io-technology.com
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Woojung Huh <woojung.huh@...rochip.com>,
        UNGLinuxDriver@...rochip.com, Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.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>,
        Russell King <linux@...linux.org.uk>,
        Christian Marangi <ansuelsmth@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Yuwei Wang <wangyuweihx@...il.com>,
        Petr Machata <petrm@...dia.com>,
        Ido Schimmel <idosch@...dia.com>,
        Florent Fourcot <florent.fourcot@...irst.fr>,
        Hans Schultz <schultz.hans@...il.com>,
        Joachim Wiberg <troglobit@...il.com>,
        Amit Cohen <amcohen@...dia.com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        bridge@...ts.linux-foundation.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v8 net-next 05/12] net: dsa: propagate the locked flag
 down through the DSA layer

On 2022-10-20 15:02, Vladimir Oltean wrote:

>> --- a/net/dsa/port.c
>> +++ b/net/dsa/port.c
>> @@ -304,7 +304,7 @@ static int dsa_port_inherit_brport_flags(struct 
>> dsa_port *dp,
>>  					 struct netlink_ext_ack *extack)
>>  {
>>  	const unsigned long mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
>> -				   BR_BCAST_FLOOD | BR_PORT_LOCKED;
>> +				   BR_BCAST_FLOOD;
>>  	struct net_device *brport_dev = dsa_port_to_bridge_port(dp);
>>  	int flag, err;
>> 
>> @@ -328,7 +328,7 @@ static void dsa_port_clear_brport_flags(struct 
>> dsa_port *dp)
>>  {
>>  	const unsigned long val = BR_FLOOD | BR_MCAST_FLOOD | 
>> BR_BCAST_FLOOD;
>>  	const unsigned long mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
>> -				   BR_BCAST_FLOOD | BR_PORT_LOCKED;
>> +				   BR_BCAST_FLOOD | BR_PORT_LOCKED | BR_PORT_MAB;
> 
> Why does the mask of cleared brport flags differ from the one of set
> brport flags, and what/where is the explanation for this change?
> 

I guess you mean, why it differs from the inherit flag mask list?

If so it is explained in the update to v7 in 00/12.

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