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.
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
WARNING: multiple messages have this Message-ID (diff)
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.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
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.
next prev parent reply other threads:[~2021-07-30 17:52 UTC|newest]
Thread overview: 72+ 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 ` DENG Qingfang
2021-07-28 17:53 ` 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 17:53 ` DENG Qingfang
2021-07-28 17:53 ` DENG Qingfang
2021-07-28 18:37 ` Vladimir Oltean
2021-07-28 18:37 ` Vladimir Oltean
2021-07-28 18:37 ` Vladimir Oltean
2021-07-30 16:24 ` Vladimir Oltean
2021-07-30 16:24 ` Vladimir Oltean
2021-07-30 16:24 ` Vladimir Oltean
2021-07-30 17:32 ` DENG Qingfang
2021-07-30 17:32 ` DENG Qingfang
2021-07-30 17:32 ` DENG Qingfang
2021-07-30 17:39 ` Vladimir Oltean
2021-07-30 17:39 ` Vladimir Oltean
2021-07-30 17:39 ` Vladimir Oltean
2021-07-30 17:41 ` Vladimir Oltean
2021-07-30 17:41 ` Vladimir Oltean
2021-07-30 17:41 ` Vladimir Oltean
2021-07-30 17:58 ` DENG Qingfang
2021-07-30 17:58 ` DENG Qingfang
2021-07-30 17:58 ` DENG Qingfang
2021-07-30 19:00 ` DENG Qingfang
2021-07-30 19:00 ` DENG Qingfang
2021-07-30 19:00 ` DENG Qingfang
2021-07-30 19:07 ` Vladimir Oltean
2021-07-30 19:07 ` Vladimir Oltean
2021-07-30 19:07 ` Vladimir Oltean
2021-07-30 19:25 ` DENG Qingfang
2021-07-30 19:25 ` DENG Qingfang
2021-07-30 19:25 ` DENG Qingfang
2021-07-30 19:30 ` Vladimir Oltean
2021-07-30 19:30 ` Vladimir Oltean
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 17:53 ` DENG Qingfang
2021-07-28 17:53 ` DENG Qingfang
2021-07-28 18:47 ` Vladimir Oltean
2021-07-28 18:47 ` Vladimir Oltean
2021-07-28 18:47 ` Vladimir Oltean
2021-07-29 15:28 ` Vladimir Oltean
2021-07-29 15:28 ` Vladimir Oltean
2021-07-29 15:28 ` Vladimir Oltean
2021-07-29 16:11 ` DENG Qingfang
2021-07-29 16:11 ` DENG Qingfang
2021-07-29 16:11 ` DENG Qingfang
2021-07-29 16:50 ` Vladimir Oltean
2021-07-29 16:50 ` Vladimir Oltean
2021-07-29 16:50 ` Vladimir Oltean
2021-07-30 15:45 ` DENG Qingfang
2021-07-30 15:45 ` DENG Qingfang
2021-07-30 15:45 ` DENG Qingfang
2021-07-30 15:58 ` DENG Qingfang
2021-07-30 15:58 ` DENG Qingfang
2021-07-30 15:58 ` DENG Qingfang
2021-07-30 16:18 ` Vladimir Oltean
2021-07-30 16:18 ` Vladimir Oltean
2021-07-30 16:18 ` Vladimir Oltean
2021-07-30 17:21 ` DENG Qingfang
2021-07-30 17:21 ` DENG Qingfang
2021-07-30 17:21 ` DENG Qingfang
2021-07-30 17:35 ` Vladimir Oltean
2021-07-30 17:35 ` Vladimir Oltean
2021-07-30 17:35 ` Vladimir Oltean
2021-07-30 17:51 ` DENG Qingfang [this message]
2021-07-30 17:51 ` DENG Qingfang
2021-07-30 17:51 ` DENG Qingfang
2021-07-28 18:08 ` [RFC net-next 0/2] mt7530 software fallback bridging fix Vladimir Oltean
2021-07-28 18:08 ` Vladimir Oltean
2021-07-28 18:08 ` Vladimir Oltean
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