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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,
	"Eric Woudstra" <ericwouds@gmail.com>,
	"René van Dorst" <opensource@vdorst.com>,
	"Frank Wunderlich" <frank-w@public-files.de>,
	"Ilya Lipnitskiy" <ilya.lipnitskiy@gmail.com>
Subject: Re: [PATCH net-next v2 4/4] net: dsa: mt7530: always install FDB entries with IVL and FID 1
Date: Tue, 3 Aug 2021 19:51:38 +0300	[thread overview]
Message-ID: <20210803165138.3obbvtjj2xn6j2n5@skbuf> (raw)
In-Reply-To: <20210803160405.3025624-5-dqfext@gmail.com>

On Wed, Aug 04, 2021 at 12:04:04AM +0800, DENG Qingfang wrote:
> This reverts commit 7e777021780e ("mt7530 mt7530_fdb_write only set ivl
> bit vid larger than 1").
> 
> Before this series, the default value of all ports' PVID is 1, which is
> copied into the FDB entry, even if the ports are VLAN unaware. So
> `bridge fdb show` will show entries like `dev swp0 vlan 1 self` even on
> a VLAN-unaware bridge.
> 
> The blamed commit does not solve that issue completely, instead it may
> cause a new issue that FDB is inaccessible in a VLAN-aware bridge with
> PVID 1.
> 
> This series sets PVID to 0 on VLAN-unaware ports, so `bridge fdb show`
> will no longer print `vlan 1` on VLAN-unaware bridges, and that special
> case in fdb_write is not required anymore.
> 
> Set FDB entries' filter ID to 1 to match the VLAN table.
> 
> Signed-off-by: DENG Qingfang <dqfext@gmail.com>
> ---

The way FDB entries are installed now makes a lot more intuitive sense.

  reply	other threads:[~2021-08-03 16:51 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-03 16:04 [PATCH net-next v2 0/4] mt7530 software fallback bridging fix DENG Qingfang
2021-08-03 16:04 ` [PATCH net-next v2 1/4] net: dsa: mt7530: enable assisted learning on CPU port DENG Qingfang
2021-08-03 16:04 ` [PATCH net-next v2 2/4] net: dsa: mt7530: use independent VLAN learning on VLAN-unaware bridges DENG Qingfang
2021-08-03 16:48   ` Vladimir Oltean
2021-08-03 17:13     ` DENG Qingfang
2021-08-03 16:04 ` [PATCH net-next v2 3/4] net: dsa: mt7530: set STP state on filter ID 1 DENG Qingfang
2021-08-03 16:50   ` Vladimir Oltean
2021-08-03 16:04 ` [PATCH net-next v2 4/4] net: dsa: mt7530: always install FDB entries with IVL and FID 1 DENG Qingfang
2021-08-03 16:51   ` Vladimir Oltean [this message]
2021-08-03 17:53     ` DENG Qingfang
2021-08-03 18:23       ` Vladimir Oltean
2021-08-04  9:40 ` [PATCH net-next v2 0/4] mt7530 software fallback bridging fix patchwork-bot+netdevbpf

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