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From: Ajit Khaparde <ajit.khaparde@broadcom.com>
To: Andrey Vesnovaty <andreyv@nvidia.com>
Cc: dpdk-dev <dev@dpdk.org>,
	jer@marvell.com, Jerin Jacob <jerinjacobk@gmail.com>,
	 Thomas Monjalon <thomas@monjalon.net>,
	Ferruh Yigit <ferruh.yigit@intel.com>,
	 Stephen Hemminger <stephen@networkplumber.org>,
	Bruce Richardson <bruce.richardson@intel.com>,
	 Ori Kam <orika@nvidia.com>,
	Slava Ovsiienko <viacheslavo@nvidia.com>,
	andrey.vesnovaty@gmail.com,  Ray Kinsella <mdr@ashroe.eu>,
	Neil Horman <nhorman@tuxdriver.com>,
	 Samik Gupta <samik.gupta@broadcom.com>,
	Andrew Rybchenko <arybchenko@solarflare.com>
Subject: Re: [dpdk-dev] [PATCH v5 1/2] ethdev: add flow shared action API
Date: Wed, 7 Oct 2020 14:23:15 -0700
Message-ID: <CACZ4nhvJvc3bwV8i23yKpueg7LNtvUq5kbm0-xTMEeoOn=P_HQ@mail.gmail.com> (raw)
In-Reply-To: <20201007125612.20579-2-andreyv@nvidia.com>

Please see inline..

On Wed, Oct 7, 2020 at 5:56 AM Andrey Vesnovaty <andreyv@nvidia.com> wrote:
>
> This commit introduces extension of DPDK flow action API enabling
> sharing of single rte_flow_action in multiple flows. The API intended for
> PMDs, where multiple HW offloaded flows can reuse the same HW
> essence/object representing flow action and modification of such an
> essence/object affects all the rules using it.
>
> Motivation and example
> ===
> Adding or removing one or more queues to RSS used by multiple flow rules
> imposes per rule toll for current DPDK flow API; the scenario requires
> for each flow sharing cloned RSS action:
> - call `rte_flow_destroy()`
> - call `rte_flow_create()` with modified RSS action
>

[snip]
> Shared action create/use/destroy
> ===
> Shared action may be reused by some or none flow rules at any given
> moment, i.e. shared action reside outside of the context of any flow.
s/reside/resides

[snip]
> testpmd
> ===
> In order to utilize introduced API testpmd cli may implement following
> extension
> create/update/destroy/query shared action accordingly
>
> flow shared_action (port) create {action_id (id)} (action) / end
Same comment as in testpmd patch. Please add the ability to specify
and parse direction.

> flow shared_action (port) update (id) (action) / end
> flow shared_action (port) destroy action_id (id) {action_id (id) [...]}
> flow shared_action (port) query (id)
>
> testpmd example
> ===
>
> configure rss to queues 1 & 2
>
> > flow shared_action 0 create action_id 100 rss queues 1 2 end / end
>
> create flow rule utilizing shared action
>
> > flow create 0 ingress \
>     pattern eth dst is 0c:42:a1:15:fd:ac / ipv6 / tcp / end \
>   actions shared 100 / end
>
> add 2 more queues
>
> > flow shared_action 0 modify 100 rss queues 1 2 3 4 end / end
>
> example
> ===
>
> struct rte_flow_action actions[2];
> struct rte_flow_action action;
> /* skipped: initialize action */
> struct rte_flow_shared_action *handle = rte_flow_shared_action_create(
>                                         port_id, &action, &error);
> actions[0].type = RTE_FLOW_ACTION_TYPE_SHARED;
> actions[0].conf = handle;
direction?

> actions[1].type = RTE_FLOW_ACTION_TYPE_END;
> /* skipped: init attr0 & pattern0 args */
[snip]

> diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
> index da8bfa5489..383d516fbd 100644
> --- a/lib/librte_ethdev/rte_flow.h
> +++ b/lib/librte_ethdev/rte_flow.h
> @@ -1714,7 +1714,8 @@ enum rte_flow_action_type {
>         /**
>          * Enables counters for this flow rule.
>          *
> -        * These counters can be retrieved and reset through rte_flow_query(),
> +        * These counters can be retrieved and reset through rte_flow_query() or
> +        * rte_flow_shared_action_query() if the action provided via handle,
>          * see struct rte_flow_query_count.
>          *
>          * See struct rte_flow_action_count.
> @@ -2132,6 +2133,14 @@ enum rte_flow_action_type {
>          * see enum RTE_ETH_EVENT_FLOW_AGED
>          */
>         RTE_FLOW_ACTION_TYPE_AGE,
> +
> +       /**
> +        * Describe action shared a cross multiple flow rules.
s/a cross/across

> +        *
> +        * Allow multiple rules reference the same action by handle (see
> +        * struct rte_flow_shared_action).
> +        */
> +       RTE_FLOW_ACTION_TYPE_SHARED,
>  };
>
>  /**
> @@ -2693,6 +2702,20 @@ struct rte_flow_action_set_dscp {
>         uint8_t dscp;
>  };
>
> +
> +/**
> + * RTE_FLOW_ACTION_TYPE_SHARED
> + *
> + * Opaque type returned after successfully creating a shared action.
> + *
> + * This handle can be used to manage and query the related action:
> + * - share it a cross multiple flow rules
s/a cross/across

> + * - update action configuration
> + * - query action data
> + * - destroy action
> + */
> +struct rte_flow_shared_action;
> +
>  /* Mbuf dynamic field offset for metadata. */
>  extern int32_t rte_flow_dynf_metadata_offs;
>
> @@ -3357,6 +3380,144 @@ int
>  rte_flow_get_aged_flows(uint16_t port_id, void **contexts,
>                         uint32_t nb_contexts, struct rte_flow_error *error);
>
> +/**
> + * Specify shared action configuration
> + */
> +struct rte_flow_shared_action_conf {
> +       uint32_t ingress:1;
> +       /**< Action valid for rules applied to ingress traffic. */
> +       uint32_t egress:1;
> +       /**< Action valid for rules applied to egress traffic. */
Add a note to indicate only one of these shall be set.

> +};
> +
> +/**
> + * @warning
> + * @b EXPERIMENTAL: this API may change without prior notice.
> + *
[snip]

  parent reply	other threads:[~2020-10-07 21:23 UTC|newest]

Thread overview: 106+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-02 12:05 [dpdk-dev] [PATCH] " Andrey Vesnovaty
2020-07-03 15:02 ` Jerin Jacob
2020-07-03 15:21   ` Thomas Monjalon
2020-07-04  9:54     ` Andrey Vesnovaty
2020-07-04 10:10   ` Andrey Vesnovaty
2020-07-04 12:33     ` Jerin Jacob
2020-07-05 10:26       ` Ori Kam
2020-07-06  9:00         ` Jerin Jacob
2020-07-06 12:28           ` Ori Kam
2020-07-06 13:32             ` Andrey Vesnovaty
2020-07-07  2:30               ` Jerin Jacob
2020-07-07  6:21                 ` Ori Kam
2020-07-07 15:21                   ` Ferruh Yigit
2020-07-07 17:24                     ` Ori Kam
2020-07-07 17:52                       ` Ferruh Yigit
2020-07-07 19:38                   ` Jerin Jacob
2020-07-07 21:03                     ` Ori Kam
2020-07-08  9:25                       ` Jerin Jacob
2020-07-08  9:47                         ` Ori Kam
2020-07-08 11:00                           ` Jerin Jacob
2020-07-08 11:50                             ` Thomas Monjalon
2020-07-08 12:18                             ` Ori Kam
     [not found]                               ` <20200708204015.24429-2-andreyv@mellanox.com>
2020-07-13  8:04                                 ` [dpdk-dev] [PATCH v2 1/6] ethdev: " Kinsella, Ray
2020-07-13 10:16                                   ` Andrew Rybchenko
2020-07-15  8:54                                   ` Andrew Rybchenko
2020-07-15  9:00                                     ` Andrew Rybchenko
2020-09-15 11:30                                     ` Andrey Vesnovaty
     [not found]                               ` <20200708204015.24429-3-andreyv@mellanox.com>
2020-07-13  8:06                                 ` [dpdk-dev] [PATCH v2 2/6] common/mlx5: modify advanced Rx object via DevX Kinsella, Ray
2020-07-08 21:39 ` [dpdk-dev] [PATCH v2 0/6] add flow shared action API + PMD Andrey Vesnovaty
2020-07-08 21:39   ` [dpdk-dev] [PATCH v2 1/6] ethdev: add flow shared action API Andrey Vesnovaty
2020-09-12  2:18     ` Ajit Khaparde
2020-09-15 11:50       ` Andrey Vesnovaty
2020-09-15 15:49         ` Ajit Khaparde
2020-09-16 15:52           ` Andrey Vesnovaty
2020-09-16 19:20             ` Ajit Khaparde
2020-09-17 15:33               ` Andrew Rybchenko
2020-09-17 16:02                 ` Ori Kam
2020-09-24 19:25                   ` Ajit Khaparde
2020-09-26 11:09                     ` Andrey Vesnovaty
2020-10-03 22:06                       ` [dpdk-dev] [PATCH v3 00/10] RTE flow shared action Andrey Vesnovaty
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 01/10] ethdev: add flow shared action API Andrey Vesnovaty
2020-10-04 11:10                           ` Ori Kam
2020-10-06 10:22                             ` Andrey Vesnovaty
2020-10-04 17:00                           ` Stephen Hemminger
2020-10-04 17:01                             ` Stephen Hemminger
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 02/10] ethdev: add conf arg to shared action icreate API Andrey Vesnovaty
2020-10-04 11:11                           ` Ori Kam
2020-10-06 10:28                             ` Andrey Vesnovaty
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 03/10] common/mlx5: modify advanced Rx object via DevX Andrey Vesnovaty
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 04/10] net/mlx5: modify hash Rx queue objects Andrey Vesnovaty
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 05/10] net/mlx5: shared action PMD Andrey Vesnovaty
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 06/10] net/mlx5: shared action PMD create conf arg Andrey Vesnovaty
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 07/10] net/mlx5: driver support for shared action Andrey Vesnovaty
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 08/10] net/mlx5: shared action create conf drv support Andrey Vesnovaty
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 09/10] examples/flow_filtering: utilize shared RSS action Andrey Vesnovaty
2020-10-04 11:21                           ` Ori Kam
2020-10-06 10:34                             ` Andrey Vesnovaty
2020-10-03 22:06                         ` [dpdk-dev] [PATCH v3 10/10] app/testpmd: support shared action Andrey Vesnovaty
2020-10-04 11:28                           ` Ori Kam
2020-10-04 12:04                             ` Ori Kam
2020-10-06 10:36                               ` Andrey Vesnovaty
2020-10-04 11:14                         ` [dpdk-dev] [PATCH v3 00/10] RTE flow " Ori Kam
2020-10-06 10:28                           ` Andrey Vesnovaty
2020-07-08 21:39   ` [dpdk-dev] [PATCH v2 2/6] common/mlx5: modify advanced Rx object via DevX Andrey Vesnovaty
2020-07-08 21:39   ` [dpdk-dev] [PATCH v2 3/6] net/mlx5: modify hash Rx queue objects Andrey Vesnovaty
2020-07-08 21:39   ` [dpdk-dev] [PATCH v2 4/6] net/mlx5: shared action PMD Andrey Vesnovaty
2020-07-08 21:39   ` [dpdk-dev] [PATCH v2 5/6] net/mlx5: driver support for shared action Andrey Vesnovaty
2020-07-08 21:39   ` [dpdk-dev] [PATCH v2 6/6] examples/flow_filtering: utilize shared RSS action Andrey Vesnovaty
2020-07-09  4:44     ` Jerin Jacob
2020-07-09  6:08       ` Ori Kam
2020-07-09 12:25         ` Andrey Vesnovaty
2020-07-09 12:39           ` Thomas Monjalon
2020-07-09  4:39   ` [dpdk-dev] [PATCH v2 0/6] add flow shared action API + PMD Jerin Jacob
2020-10-06 20:08 ` [dpdk-dev] [PATCH v4 0/2] RTE flow shared action Andrey Vesnovaty
2020-10-06 20:08   ` [dpdk-dev] [PATCH v4 1/2] ethdev: add flow shared action API Andrey Vesnovaty
2020-10-07  6:27     ` Ori Kam
2020-10-06 20:08   ` [dpdk-dev] [PATCH v4 2/2] app/testpmd: support shared action Andrey Vesnovaty
2020-10-07  6:30     ` Ori Kam
2020-10-07 12:56 ` [dpdk-dev] [PATCH v5 0/2] RTE flow " Andrey Vesnovaty
2020-10-07 12:56   ` [dpdk-dev] [PATCH v5 1/2] ethdev: add flow shared action API Andrey Vesnovaty
2020-10-07 13:01     ` Ori Kam
2020-10-07 21:23     ` Ajit Khaparde [this message]
2020-10-08  7:28       ` Andrey Vesnovaty
2020-10-07 12:56   ` [dpdk-dev] [PATCH v5 2/2] app/testpmd: support shared action Andrey Vesnovaty
2020-10-07 18:36 ` [dpdk-dev] [PATCH v6 0/2] RTE flow " Andrey Vesnovaty
2020-10-07 18:36   ` [dpdk-dev] [PATCH v6 1/2] ethdev: add flow shared action API Andrey Vesnovaty
2020-10-07 18:36   ` [dpdk-dev] [PATCH v6 2/2] app/testpmd: support shared action Andrey Vesnovaty
2020-10-07 20:01     ` Ajit Khaparde
2020-10-08 10:58       ` Andrey Vesnovaty
2020-10-08 11:51 ` [dpdk-dev] [PATCH v7 0/2] RTE flow " Andrey Vesnovaty
2020-10-08 11:51   ` [dpdk-dev] [PATCH v7 1/2] ethdev: add flow shared action API Andrey Vesnovaty
2020-10-08 22:30     ` Ajit Khaparde
2020-10-14 11:47       ` Andrey Vesnovaty
2020-10-12 14:19     ` Andrew Rybchenko
2020-10-13 20:06       ` Andrey Vesnovaty
2020-10-14  6:49         ` Andrew Rybchenko
2020-10-14  7:22           ` Thomas Monjalon
2020-10-14 11:43             ` Andrey Vesnovaty
2020-10-14 11:42           ` Andrey Vesnovaty
2020-10-08 11:51   ` [dpdk-dev] [PATCH v7 2/2] app/testpmd: support shared action Andrey Vesnovaty
2020-10-08 23:54     ` Ajit Khaparde
2020-10-14 11:40 ` [dpdk-dev] [PATCH v8 0/2] RTE flow " Andrey Vesnovaty
2020-10-14 11:40   ` [dpdk-dev] [PATCH v8 1/2] ethdev: add shared actions to flow API Andrey Vesnovaty
2020-10-14 11:44     ` Andrew Rybchenko
2020-10-14 16:17       ` Ferruh Yigit
2020-10-14 11:40   ` [dpdk-dev] [PATCH v8 2/2] app/testpmd: support shared action Andrey Vesnovaty

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