Re: [RFC PATCH v2 net-next 14/16] net: dsa: don't set skb->offload_fwd_mark when not offloading the bridge
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From: Vladimir Oltean <olteanv@gmail.com>
Date: 2021-03-22 22:24:09
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On Mon, Mar 22, 2021 at 04:04:01PM +0800, DENG Qingfang wrote:
On Fri, Mar 19, 2021 at 6:49 PM Vladimir Oltean [off-list ref] wrote:quoted
Why would you even want to look at the source net device for forwarding? I'd say that if dp->bridge_dev is NULL in the xmit function, you certainly want to bypass address learning if you can. Maybe also for link-local traffic.Also for trapped traffic (snooping, tc-flower trap action) if the CPU sends them back.
This sounds line an interesting use case, please tell me more about what commands I could run to reinject trapped packets into the hardware data path.