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 [thread overview]
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]
next prev 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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