From: Andrey Vesnovaty <andreyv@nvidia.com>
To: Ajit Khaparde <ajit.khaparde@broadcom.com>
Cc: dpdk-dev <dev@dpdk.org>, "jer@marvell.com" <jer@marvell.com>,
Jerin Jacob <jerinjacobk@gmail.com>,
NBU-Contact-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" <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: Thu, 8 Oct 2020 07:28:46 +0000 [thread overview]
Message-ID: <MWHPR1201MB2525818A9D3BEDDD0AAEB7BDDB0B0@MWHPR1201MB2525.namprd12.prod.outlook.com> (raw)
In-Reply-To: <CACZ4nhvJvc3bwV8i23yKpueg7LNtvUq5kbm0-xTMEeoOn=P_HQ@mail.gmail.com>
Hi, Ajit.
All spelling & rephrases will be fixed in next couple of hours & v7 will be sent.
PSB response on shared action configuration documentation.
Please respond ASAP since RC1 window about to close very soon.
Thanks,
Andrey
> -----Original Message-----
> From: Ajit Khaparde <ajit.khaparde@broadcom.com>
> Sent: Thursday, October 8, 2020 12:23 AM
> To: Andrey Vesnovaty <andreyv@nvidia.com>
> Cc: dpdk-dev <dev@dpdk.org>; jer@marvell.com; Jerin Jacob
> <jerinjacobk@gmail.com>; NBU-Contact-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: [PATCH v5 1/2] ethdev: add flow shared action API
>
> 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.
>
"only" -> "at least"
Action should be valid for at least one direction but some actions
valid for both ingress & egress. For example, shared counter can
be incremented on both incoming & outgoing packets.
> > +};
> > +
> > +/**
> > + * @warning
> > + * @b EXPERIMENTAL: this API may change without prior notice.
> > + *
> [snip]
next prev parent reply other threads:[~2020-10-08 7:29 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
2020-10-08 7:28 ` Andrey Vesnovaty [this message]
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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