[RFC PATCH] ethdev: advertise flow restore in mbuf

[David Marchand]

Hello guys,

On Fri, May 5, 2023 at 12:31 PM David Marchand
<david.marchand at redhat.com> wrote:
>
> As reported by Ilya [1], unconditionally calling
> rte_flow_get_restore_info() impacts an application performance for drivers
> that do not provide this ops.
> It could also impact processing of packets that require no call to
> rte_flow_get_restore_info() at all.
>
> Advertise in mbuf (via a dynamic flag) whether the driver has more
> metadata to provide via rte_flow_get_restore_info().
> The application can then call it only when required.
>
> Link: http://inbox.dpdk.org/dev/5248c2ca-f2a6-3fb0-38b8-7f659bfa40de@ovn.org/
> Signed-off-by: David Marchand <david.marchand at redhat.com>
> ---
> Note: I did not test this RFC patch yet but I hope we can resume and
> maybe conclude on the discussion for the tunnel offloading API.

Any comment?
Thanks.


-- 
David Marchand