[dpdk-dev] [PATCH v3 1/2] ethdev: introduce transfer attribute to shared action conf

[Ferruh Yigit]

On 11/2/2020 11:43 AM, Ivan Malov wrote:
> In a flow rule, attribute "transfer" means operation level
> at which both traffic is matched and actions are conducted.
> 
> Add the very same attribute to shared action configuration.
> If a driver needs to prepare HW resources in two different
> ways, depending on the operation level, in order to set up
> an action, then this new attribute will indicate the level.
> Also, when handling a flow rule insertion, the driver will
> be able to turn down a shared action if its level is unfit.
> 
> Signed-off-by: Ivan Malov <ivan.malov at oktetlabs.ru>
> Acked-by: Ori Kam <orika at nvidia.com>
> ---
>   lib/librte_ethdev/rte_flow.h | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 
> diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
> index a8eac4deb..8b970ba0b 100644
> --- a/lib/librte_ethdev/rte_flow.h
> +++ b/lib/librte_ethdev/rte_flow.h
> @@ -3487,6 +3487,14 @@ struct rte_flow_shared_action_conf {
>   	/**< Action valid for rules applied to ingress traffic. */
>   	uint32_t egress:1;
>   	/**< Action valid for rules applied to egress traffic. */
> +
> +	/**
> +	 * When set to 1, indicates that the action is valid for
> +	 * transfer traffic; otherwise, for non-transfer traffic.
> +	 *
> +	 * See struct rte_flow_attr.
> +	 */
> +	uint32_t transfer:1;

Is this require any documentation update?

Also cc'ed Andrey, as he is author of the shared action feature, @Andrey can you 
please review this update?