From: Florian Fainelli <f.fainelli@gmail.com>
To: Vladimir Oltean <olteanv@gmail.com>,
vivien.didelot@gmail.com, andrew@lunn.ch, idosch@idosch.org,
roopa@cumulusnetworks.com, nikolay@cumulusnetworks.com,
davem@davemloft.net
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH net-next 6/6] net: dsa: tag_8021q: Restore bridge pvid when enabling vlan_filtering
Date: Tue, 20 Aug 2019 16:24:22 -0700 [thread overview]
Message-ID: <56a427b4-bac2-b64c-7950-64680523f148@gmail.com> (raw)
In-Reply-To: <20190820000002.9776-7-olteanv@gmail.com>
On 8/19/19 5:00 PM, Vladimir Oltean wrote:
> The bridge core assumes that enabling/disabling vlan_filtering will
> translate into the simple toggling of a flag for switchdev drivers.
>
> That is clearly not the case for sja1105, which alters the VLAN table
> and the pvids in order to obtain port separation in standalone mode.
>
> So, since the bridge will not call any vlan operation through switchdev
> after enabling vlan_filtering, we need to ensure we're in a functional
> state ourselves.
>
> Hence read the pvid that the bridge is aware of, and program that into
> our ports.
>
> Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
OK, after reading how
drivers/net/dsa/sja1105/sja1105_main.c::sja1105_vlan_filtering makes use
of that functionality, that looks like the correct thing to do.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian
next prev parent reply other threads:[~2019-08-20 23:24 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-19 23:59 [PATCH net-next 0/6] Dynamic toggling of vlan_filtering for SJA1105 DSA Vladimir Oltean
2019-08-19 23:59 ` [PATCH net-next 1/6] net: dsa: tag_8021q: Future-proof the reserved fields in the custom VID Vladimir Oltean
2019-08-20 3:16 ` Florian Fainelli
2019-08-19 23:59 ` [PATCH net-next 2/6] net: bridge: Populate the pvid flag in br_vlan_get_info Vladimir Oltean
2019-08-20 0:12 ` Nikolay Aleksandrov
2019-08-19 23:59 ` [PATCH net-next 3/6] net: dsa: Delete the VID from the upstream port as well Vladimir Oltean
2019-08-20 5:51 ` Vivien Didelot
2019-08-20 9:54 ` Vladimir Oltean
2019-08-20 17:52 ` Vivien Didelot
2019-08-20 19:40 ` Florian Fainelli
2019-08-20 20:40 ` Vladimir Oltean
2019-08-20 20:58 ` Vivien Didelot
2019-08-20 21:02 ` Vladimir Oltean
2019-08-20 21:36 ` Vivien Didelot
2019-08-20 22:09 ` Vladimir Oltean
2019-08-21 3:30 ` Vivien Didelot
2019-08-21 9:51 ` Vladimir Oltean
2019-08-20 0:00 ` [PATCH net-next 4/6] net: dsa: Don't program the VLAN as pvid on the upstream port Vladimir Oltean
2019-08-20 3:15 ` Florian Fainelli
2019-08-20 12:09 ` Vladimir Oltean
2019-08-20 22:43 ` Florian Fainelli
2019-08-20 6:07 ` Vivien Didelot
2019-08-20 10:22 ` Vladimir Oltean
2019-08-20 0:00 ` [PATCH net-next 5/6] net: dsa: Allow proper internal use of VLANs Vladimir Oltean
2019-08-20 3:20 ` Florian Fainelli
2019-08-20 0:00 ` [PATCH net-next 6/6] net: dsa: tag_8021q: Restore bridge pvid when enabling vlan_filtering Vladimir Oltean
2019-08-20 3:32 ` Florian Fainelli
2019-08-20 10:28 ` Vladimir Oltean
2019-08-20 17:36 ` Florian Fainelli
2019-08-20 23:24 ` Florian Fainelli [this message]
2019-08-20 8:04 ` [PATCH net-next 0/6] Dynamic toggling of vlan_filtering for SJA1105 DSA Vivien Didelot
2019-08-20 10:18 ` Vladimir Oltean
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