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@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 2/4] net: dsa: mt7530: use independent VLAN learning on VLAN-unaware bridges
Date: Wed, 4 Aug 2021 01:13:21 +0800 [thread overview]
Message-ID: <20210803171321.3026041-1-dqfext@gmail.com> (raw)
In-Reply-To: <20210803164853.gxw4zfxmmgs2kgry@skbuf>
On Tue, Aug 03, 2021 at 07:48:53PM +0300, Vladimir Oltean wrote:
> After this patch set gets merged, can you also please take a look at the
> following:
>
> Documentation/networking/switchdev.rst says:
>
> When the bridge has VLAN filtering enabled and a PVID is not configured on the
> ingress port, untagged and 802.1p tagged packets must be dropped. When the bridge
> has VLAN filtering enabled and a PVID exists on the ingress port, untagged and
> priority-tagged packets must be accepted and forwarded according to the
> bridge's port membership of the PVID VLAN. When the bridge has VLAN filtering
> disabled, the presence/lack of a PVID should not influence the packet
> forwarding decision.
>
> I'm not sure if this happens or not with mt7530, since the driver
> attempts to change the pvid back to 0. You are not changing this
> behavior in this series, so no reason to deal with it as part of it.
>
There is PVC.ACC_FRM which controls the acceptable frame type.
Currently the driver does not use it, so untagged and priority-tagged frames
can get into a VLAN-aware port without a PVID.
_______________________________________________
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@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 2/4] net: dsa: mt7530: use independent VLAN learning on VLAN-unaware bridges
Date: Wed, 4 Aug 2021 01:13:21 +0800 [thread overview]
Message-ID: <20210803171321.3026041-1-dqfext@gmail.com> (raw)
In-Reply-To: <20210803164853.gxw4zfxmmgs2kgry@skbuf>
On Tue, Aug 03, 2021 at 07:48:53PM +0300, Vladimir Oltean wrote:
> After this patch set gets merged, can you also please take a look at the
> following:
>
> Documentation/networking/switchdev.rst says:
>
> When the bridge has VLAN filtering enabled and a PVID is not configured on the
> ingress port, untagged and 802.1p tagged packets must be dropped. When the bridge
> has VLAN filtering enabled and a PVID exists on the ingress port, untagged and
> priority-tagged packets must be accepted and forwarded according to the
> bridge's port membership of the PVID VLAN. When the bridge has VLAN filtering
> disabled, the presence/lack of a PVID should not influence the packet
> forwarding decision.
>
> I'm not sure if this happens or not with mt7530, since the driver
> attempts to change the pvid back to 0. You are not changing this
> behavior in this series, so no reason to deal with it as part of it.
>
There is PVC.ACC_FRM which controls the acceptable frame type.
Currently the driver does not use it, so untagged and priority-tagged frames
can get into a VLAN-aware port without a PVID.
_______________________________________________
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@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 2/4] net: dsa: mt7530: use independent VLAN learning on VLAN-unaware bridges
Date: Wed, 4 Aug 2021 01:13:21 +0800 [thread overview]
Message-ID: <20210803171321.3026041-1-dqfext@gmail.com> (raw)
In-Reply-To: <20210803164853.gxw4zfxmmgs2kgry@skbuf>
On Tue, Aug 03, 2021 at 07:48:53PM +0300, Vladimir Oltean wrote:
> After this patch set gets merged, can you also please take a look at the
> following:
>
> Documentation/networking/switchdev.rst says:
>
> When the bridge has VLAN filtering enabled and a PVID is not configured on the
> ingress port, untagged and 802.1p tagged packets must be dropped. When the bridge
> has VLAN filtering enabled and a PVID exists on the ingress port, untagged and
> priority-tagged packets must be accepted and forwarded according to the
> bridge's port membership of the PVID VLAN. When the bridge has VLAN filtering
> disabled, the presence/lack of a PVID should not influence the packet
> forwarding decision.
>
> I'm not sure if this happens or not with mt7530, since the driver
> attempts to change the pvid back to 0. You are not changing this
> behavior in this series, so no reason to deal with it as part of it.
>
There is PVC.ACC_FRM which controls the acceptable frame type.
Currently the driver does not use it, so untagged and priority-tagged frames
can get into a VLAN-aware port without a PVID.
next prev parent reply other threads:[~2021-08-03 17:14 UTC|newest]
Thread overview: 36+ 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 ` DENG Qingfang
2021-08-03 16:04 ` 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 ` DENG Qingfang
2021-08-03 16:04 ` 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 16:04 ` DENG Qingfang
2021-08-03 16:04 ` DENG Qingfang
2021-08-03 16:48 ` Vladimir Oltean
2021-08-03 16:48 ` Vladimir Oltean
2021-08-03 16:48 ` Vladimir Oltean
2021-08-03 17:13 ` DENG Qingfang [this message]
2021-08-03 17:13 ` DENG Qingfang
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 16:04 ` DENG Qingfang
2021-08-03 16:04 ` DENG Qingfang
2021-08-03 16:50 ` Vladimir Oltean
2021-08-03 16:50 ` Vladimir Oltean
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 16:04 ` DENG Qingfang
2021-08-03 16:04 ` DENG Qingfang
2021-08-03 16:51 ` Vladimir Oltean
2021-08-03 16:51 ` Vladimir Oltean
2021-08-03 16:51 ` Vladimir Oltean
2021-08-03 17:53 ` DENG Qingfang
2021-08-03 17:53 ` DENG Qingfang
2021-08-03 17:53 ` DENG Qingfang
2021-08-03 18:23 ` Vladimir Oltean
2021-08-03 18:23 ` Vladimir Oltean
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
2021-08-04 9:40 ` patchwork-bot+netdevbpf
2021-08-04 9:40 ` patchwork-bot+netdevbpf
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