Re: [PATCH v3 net-next 00/15] Traffic support for dsa_8021q in vlan_filtering=1 mode

From: David Miller
Date: Tue May 12 2020 - 16:10:56 EST


From: Vladimir Oltean <olteanv@xxxxxxxxx>
Date: Tue, 12 May 2020 20:20:24 +0300

> From: Vladimir Oltean <vladimir.oltean@xxxxxxx>
>
> This series is an attempt to support as much as possible in terms of
> traffic I/O from the network stack with the only dsa_8021q user thus
> far, sja1105.
>
> The hardware doesn't support pushing a second VLAN tag to packets that
> are already tagged, so our only option is to combine the dsa_8021q with
> the user tag into a single tag and decode that on the CPU.
>
> The assumption is that there is a type of use cases for which 7 VLANs
> per port are more than sufficient, and that there's another type of use
> cases where the full 4096 entries are barely enough. Those use cases are
> very different from one another, so I prefer trying to give both the
> best experience by creating this best_effort_vlan_filtering knob to
> select the mode in which they want to operate in.
...

Series applied, thanks Vladimir.