Re: [RFC PATCH net-next 0/6] Mirroring to DSA CPU port

[Vladimir Oltean]

On Fri, Sep 13, 2024 at 06:29:09PM +0300, Vladimir Oltean wrote:
> Greetings,
> 
> Users of the NXP LS1028A SoC (drivers/net/dsa/ocelot L2 switch inside)
> have requested to mirror packets from the ingress of a switch port to
> software. Both port-based and flow-based mirroring is required.
> 
> The simplest way I could come up with was to set up tc mirred actions
> towards a dummy net_device, and make the offloading of that be accepted
> by the driver. Currently, the pattern in drivers is to reject mirred
> towards ports they don't know about, but I'm now permitting that,
> precisely by mirroring "to the CPU". I am unsure if there are other,
> perhaps better ways of doing this.

Since there aren't any review comments, I will just resubmit this to
net-next.