[Bridge] [PATCH v4 net-next 15/15] net: dsa: tag_dsa: offload the bridge forwarding process

Florian Fainelli f.fainelli at gmail.com
Mon Jul 19 02:47:22 UTC 2021



On 7/18/2021 2:44 PM, Vladimir Oltean wrote:
> From: Tobias Waldekranz <tobias at waldekranz.com>
> 
> Allow the DSA tagger to generate FORWARD frames for offloaded skbs
> sent from a bridge that we offload, allowing the switch to handle any
> frame replication that may be required. This also means that source
> address learning takes place on packets sent from the CPU, meaning
> that return traffic no longer needs to be flooded as unknown unicast.
> 
> Signed-off-by: Tobias Waldekranz <tobias at waldekranz.com>
> Signed-off-by: Vladimir Oltean <vladimir.oltean at nxp.com>

This looks pretty complicated to but if this is how it has to work, it 
has to. For tag_brcm.c we can simply indicate that the frame to be 
transmitted should have a specific bitmask of egress ports.
-- 
Florian


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