[RFC 1/2] ethdev: port flags for pre-configuration flow hints

[Thomas Monjalon]

We were waiting for a v2 of this patch.
More comments below.

07/04/2022 07:30, Xiaoyu Min:
> The data-path focused flow rule management can manage flow rules in more
> optimized way then tranditional one by using hits provided by

hits -> hints

> application in initialization phase.
> 
> In addition to the current hints we have in port attr, more hints could
> be proivded by application about it's behaviour.

it's -> its

> One example is how the application do with the same flow:

flow -> flow rule ?

> A. create/destroy flow on same queue but query flow on different queue
>    or queue-less way (i.e, counter query)
> B. All flow operations will be exactly on the same queue, by which PMD
>    could be in more optimized way then A because resource could be
>    isolated and access based on queue, without lock for example.
> 
> This patch add flag about above situation and could be extanded to cover

extended

> more situations.
> 
> Signed-off-by: Xiaoyu Min <jackmin at nvidia.com>
> ---
> +/**
> + * The flags of rte flow port
> + */
> +enum rte_flow_port_flag {

Don't use enum for bit flags.

> +	/**
> +	 * All flow operations for one specified flow will _strictlly_ happen

I guess you mean "for a given flow rule"

strictlly -> _strictly_