[PATCH] net/sfc: support packet replay in transfer flows

[Andrew Rybchenko]

On 9/27/23 13:36, Ivan Malov wrote:
> Packet replay enables users to leverage multiple counters in
> one flow and allows to request delivery to multiple ports.
> 
> A given flow rule may use either one inline count action
> and multiple indirect counters or just multiple indirect
> counters. The inline count action (if any) must come
> before the first delivery action or before the first
> indirect count action, whichever comes earlier.
> 
> These are some testpmd examples of supported
> multi-count and mirroring use cases:
> 
> flow create 0 transfer pattern represented_port ethdev_port_id is 0 / end \
>   actions port_representor port_id 0 / port_representor port_id 1 / end
> 
> or
> 
> flow indirect_action 0 create action_id 239 transfer action count / end
> 
> flow create 0 transfer pattern represented_port ethdev_port_id is 0 / end \
>   actions count / port_representor port_id 0 / indirect 239 / \
>   port_representor port_id 1 / end
> 
> or
> 
> flow indirect_action 0 create action_id 239 transfer action count / end
> 
> flow create 0 transfer pattern represented_port ethdev_port_id is 0 / end \
>   actions indirect 239 / port_representor port_id 0 / indirect 239 / \
>   port_representor port_id 1 / end
> 
> and the likes.
> 
> Signed-off-by: Ivan Malov <ivan.malov at arknetworks.am>
> Reviewed-by: Andy Moreton <andy.moreton at amd.com>

Acked-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>