On Thu, Feb 9, 2023 at 12:54 PM Rakesh Kudurumalla
<rkuduruma...@marvell.com> wrote:
>
> Skip the congestion management configuration applied using
> rte_eth_cman_config_set() API on the given ethdev Rx queue.
>
> Signed-off-by: Rakesh Kudurumalla <rkuduruma...@marvell.com>
> ---
> v3: Updated comments and programmers guide regrading
> new action
> doc/guides/prog_guide/rte_flow.rst | 22 ++++++++++++++++++++++
> lib/ethdev/rte_flow.h | 20 ++++++++++++++++++++
> 2 files changed, 42 insertions(+)
>
> diff --git a/doc/guides/prog_guide/rte_flow.rst
> b/doc/guides/prog_guide/rte_flow.rst
> index 3e6242803d..0737b877da 100644
> --- a/doc/guides/prog_guide/rte_flow.rst
> +++ b/doc/guides/prog_guide/rte_flow.rst
> @@ -1840,6 +1840,28 @@ Drop packets.
> | no properties |
> +---------------+
>
> +
> +Action: ``SKIP_CMAN``
> +^^^^^^^^^^^^^^^^^^^
> +
> +Skip congestion management on received packets
> +
> +- Using ``rte_eth_cman_config_set()``, application can configure ethdev Rx
> + queue's congestion mechanism.Once applied packets congestion configuration
> + is bypassed on that particular ethdev Rx queue for all packets directed
> + to that receive queue
> +
> +.. _table_rte_flow_action_skip_cman:
> +
> +.. table:: SKIP_CMAN
> +
> + +---------------+
> + | Field |
> + +===============+
> + | no properties |
> + +---------------+
> +
> +
> Action: ``COUNT``
> ^^^^^^^^^^^^^^^^^
>
> diff --git a/lib/ethdev/rte_flow.h b/lib/ethdev/rte_flow.h
> index b60987db4b..5ae00e2245 100644
> --- a/lib/ethdev/rte_flow.h
> +++ b/lib/ethdev/rte_flow.h
> @@ -2203,6 +2203,26 @@ enum rte_flow_action_type {
> */
> RTE_FLOW_ACTION_TYPE_DROP,
>
> + /**
> + * Skip congestion management configuration
> + *
> + * ethdev: introduce flow action to skip congestion
> + * management configuration
This supposes to be git commit heading.
> + *
> + * Using rte_eth_cman_config_set() API the application
> + * can configure ethdev Rx queue's congestion mechanism.
> + * Introducing RTE_FLOW_ACTION_TYPE_SKIP_CMAN flow action to skip the
> + * congestion configuration applied to the given ethdev Rx queue.
This paragraph is OK here.
> + *
> + * This feature helps to skip the congestion management processing
> + * based on per flow or the packet color identified by
> + * rte_flow meter object. For example, If one Rx queue configured as
> + * RED congestion and application wants tobypass the RED congestion
> + * processing for all GREEN color packet can be expressed though
> + * RTE_FLOW_ACTION_TYPE_SKIP_CMAN flow action
Move this to git commit log
> + */
> + RTE_FLOW_ACTION_TYPE_SKIP_CMAN,
> +
> /**
> * Enables counters for this flow rule.
> *
> --
> 2.25.1
>
