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From: Vladimir Oltean <olteanv@gmail.com>
To: DENG Qingfang <dqfext@gmail.com>
Cc: Sean Wang <sean.wang@mediatek.com>,
	Landen Chao <Landen.Chao@mediatek.com>,
	Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC net-next 1/2] net: dsa: tag_mtk: skip address learning on transmit to standalone ports
Date: Fri, 30 Jul 2021 22:30:57 +0300	[thread overview]
Message-ID: <20210730193057.k7su2njgdakhsnah@skbuf> (raw)
In-Reply-To: <20210730192555.638774-1-dqfext@gmail.com>

On Sat, Jul 31, 2021 at 03:25:55AM +0800, DENG Qingfang wrote:
> On Fri, Jul 30, 2021 at 10:07:06PM +0300, Vladimir Oltean wrote:
> > > After enabling it, I noticed .port_fdb_{add,del} are called with VID=0
> > > (which it does not use now) unless I turn on VLAN filtering. Is that
> > > normal?
> > 
> > They are called with the VID from the learned packet.
> > If the bridge is VLAN-unaware, the MAC SA is learned with VID 0.
> > Generally, VID 0 is always used for VLAN-unaware bridging. You can
> > privately translate VID 0 to whatever VLAN ID you use in VLAN-unaware
> > mode.
> 
> Now the issue is PVID is always set to the bridge's vlan_default_pvid,
> regardless of VLAN awareless.

Then change that, sja1105 and ocelot/felix are good examples of how to
set a pvid in VLAN-unaware mode that is independent of what the bridge
asks for.

  reply	other threads:[~2021-07-30 19:31 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-28 17:53 [RFC net-next 0/2] mt7530 software fallback bridging fix DENG Qingfang
2021-07-28 17:53 ` [RFC net-next 1/2] net: dsa: tag_mtk: skip address learning on transmit to standalone ports DENG Qingfang
2021-07-28 18:37   ` Vladimir Oltean
2021-07-30 16:24     ` Vladimir Oltean
2021-07-30 17:32       ` DENG Qingfang
2021-07-30 17:39         ` Vladimir Oltean
2021-07-30 17:41           ` Vladimir Oltean
2021-07-30 17:58             ` DENG Qingfang
2021-07-30 19:00       ` DENG Qingfang
2021-07-30 19:07         ` Vladimir Oltean
2021-07-30 19:25           ` DENG Qingfang
2021-07-30 19:30             ` Vladimir Oltean [this message]
2021-07-28 17:53 ` [RFC net-next 2/2] net: dsa: mt7530: trap packets from standalone ports to the CPU DENG Qingfang
2021-07-28 18:47   ` Vladimir Oltean
2021-07-29 15:28   ` Vladimir Oltean
2021-07-29 16:11     ` DENG Qingfang
2021-07-29 16:50       ` Vladimir Oltean
2021-07-30 15:45         ` DENG Qingfang
2021-07-30 15:58           ` DENG Qingfang
2021-07-30 16:18           ` Vladimir Oltean
2021-07-30 17:21             ` DENG Qingfang
2021-07-30 17:35               ` Vladimir Oltean
2021-07-30 17:51                 ` DENG Qingfang
2021-07-28 18:08 ` [RFC net-next 0/2] mt7530 software fallback bridging fix Vladimir Oltean

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