# Re: \[RFC PATCH v2 net-next 14/16\] net: dsa: don't set skb-\>offload\_fwd\_mark when not offloading the bridge

- From: DENG Qingfang \<dqfext@gmail.com\>
- Date: 2021-03-19 09:30:24 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/03/6307478
- Thread: https://ratatoskr.run/netdev/2021/03/6306967/t.md

```text
On Fri, Mar 19, 2021 at 5:06 PM Vladimir Oltean [ref] wrote:
>
> This is a good point actually, which I thought about, but did not give a
> lot of importance to for the moment. Either we go full steam ahead with
> assisted learning on the CPU port for everybody, and we selectively
> learn the addresses relevant to the bridging funciton only, or we do
> what you say, but then it will be a little bit more complicated IMO, and
> have hardware dependencies, which isn't as nice.

Are skb->offload_fwd_mark and source DSA switch kept in dsa_slave_xmit?
I think SA learning should be bypassed iff skb->offload_fwd_mark == 1 and
source DSA switch == destination DSA switch.
```