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Date: Mon, 11 May 2020 20:41:04 -0700 From: Florian Fainelli <f.fainelli@...il.com> To: Vladimir Oltean <olteanv@...il.com>, andrew@...n.ch, vivien.didelot@...il.com Cc: davem@...emloft.net, kuba@...nel.org, jiri@...lanox.com, idosch@...sch.org, rmk+kernel@...linux.org.uk, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 net-next 14/15] net: dsa: sja1105: implement VLAN retagging for dsa_8021q sub-VLANs On 5/11/2020 6:53 AM, Vladimir Oltean wrote: > From: Vladimir Oltean <vladimir.oltean@....com> > > Expand the delta commit procedure for VLANs with additional logic for > treating bridge_vlans in the newly introduced operating mode, > SJA1105_VLAN_BEST_EFFORT. > > For every bridge VLAN on every user port, a sub-VLAN index is calculated > and retagging rules are installed towards a dsa_8021q rx_vid that > encodes that sub-VLAN index. This way, the tagger can identify the > original VLANs. > > Extra care is taken for VLANs to still work as intended in cross-chip > scenarios. Retagging may have unintended consequences for these because > a sub-VLAN encoding that works for the CPU does not make any sense for a > front-panel port. > > Signed-off-by: Vladimir Oltean <vladimir.oltean@....com> Reviewed-by: Florian Fainelli <f.fainelli@...il.com> -- Florian
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