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From: DENG Qingfang <dqfext@gmail.com>
To: Vladimir Oltean <olteanv@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 <netdev@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-mediatek@lists.infradead.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [RFC net-next 2/2] net: dsa: mt7530: trap packets from standalone ports to the CPU
Date: Sat, 31 Jul 2021 01:51:39 +0800	[thread overview]
Message-ID: <20210730175139.518992-1-dqfext@gmail.com> (raw)
In-Reply-To: <20210730173511.ulsv7wfogk5cpx5j@skbuf>

On Fri, Jul 30, 2021 at 08:35:11PM +0300, Vladimir Oltean wrote:
> On Sat, Jul 31, 2021 at 01:21:14AM +0800, DENG Qingfang wrote:
> > I just found a cleaner solution: Leaving standalone ports in port matrix
> > mode. As all bridges use independent VLAN learning, standalone ports'
> > FDB lookup with FID 0 won't hit.
> 
> So standalone ports are completely VLAN-unaware and always use a FID of
> 0, ports under a VLAN-unaware bridge are in fallback mode (look up the
> VLAN table but don't drop on miss), use a FID of 1-7, and ports under a
> VLAN-aware bridge are in the security mode and use the CVID instead of
> the FID for VLAN classification?

No. Both VLAN-unaware and VLAN-aware bridges use independent VLAN learning
i.e. use CVID for FDB lookup.

> 
> Make sure to test a mix of standalone, VLAN-unaware bridge and
> VLAN-aware bridge with the same MAC address in all 3 domains. If that
> works well this should be really good.

  reply	other threads:[~2021-07-30 17:51 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
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 [this message]
2021-07-28 18:08 ` [RFC net-next 0/2] mt7530 software fallback bridging fix Vladimir Oltean

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