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From: Rakesh Kudurumalla <rkudurumalla@marvell.com>
To: Ori Kam <orika@nvidia.com>, Jerin Jacob <jerinjacobk@gmail.com>,
	Stephen Hemminger <stephen@networkplumber.org>
Cc: "NBU-Contact-Thomas Monjalon (EXTERNAL)" <thomas@monjalon.net>,
	Ferruh Yigit <ferruh.yigit@amd.com>,
	Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"NBU-Contact-Adrien Mazarguil (EXTERNAL)"
	<adrien.mazarguil@6wind.com>
Subject: RE: [PATCH 1/3] lib: dpdk spec to skip red for ingress policer
Date: Wed, 18 Jan 2023 08:09:48 +0000	[thread overview]
Message-ID: <BN8PR18MB248276DBA6D3D0B39AC790B1CFC79@BN8PR18MB2482.namprd18.prod.outlook.com> (raw)
In-Reply-To: <BN8PR18MB2482F0E0864BB5B5CD806318CFFF9@BN8PR18MB2482.namprd18.prod.outlook.com>



> -----Original Message-----
> From: Rakesh Kudurumalla
> Sent: Tuesday, January 10, 2023 12:12 PM
> To: Ori Kam <orika@nvidia.com>; Jerin Jacob <jerinjacobk@gmail.com>;
> Stephen Hemminger <stephen@networkplumber.org>
> Cc: NBU-Contact-Thomas Monjalon (EXTERNAL) <thomas@monjalon.net>;
> Ferruh Yigit <ferruh.yigit@amd.com>; Andrew Rybchenko
> <andrew.rybchenko@oktetlabs.ru>; dev@dpdk.org; NBU-Contact-Adrien
> Mazarguil (EXTERNAL) <adrien.mazarguil@6wind.com>
> Subject: RE: [PATCH 1/3] lib: dpdk spec to skip red for ingress policer
> 
> 
> 
> > -----Original Message-----
> > From: Ori Kam <orika@nvidia.com>
> > Sent: Monday, December 26, 2022 10:30 PM
> > To: Jerin Jacob <jerinjacobk@gmail.com>; Stephen Hemminger
> > <stephen@networkplumber.org>
> > Cc: Rakesh Kudurumalla <rkudurumalla@marvell.com>; NBU-Contact-
> Thomas
> > Monjalon (EXTERNAL) <thomas@monjalon.net>; Ferruh Yigit
> > <ferruh.yigit@amd.com>; Andrew Rybchenko
> > <andrew.rybchenko@oktetlabs.ru>; dev@dpdk.org; NBU-Contact-Adrien
> > Mazarguil (EXTERNAL) <adrien.mazarguil@6wind.com>
> > Subject: [EXT] RE: [PATCH 1/3] lib: dpdk spec to skip red for ingress
> > policer
> >
> > External Email
> >
> > ----------------------------------------------------------------------
> > Hi All,
> >
> > > -----Original Message-----
> > > From: Jerin Jacob <jerinjacobk@gmail.com>
> > > Sent: Thursday, 22 December 2022 7:27
> > >
> > > On Thu, Dec 22, 2022 at 8:32 AM Stephen Hemminger
> > > <stephen@networkplumber.org> wrote:
> > > >
> > > > On Thu, 22 Dec 2022 07:09:02 +0530 Rakesh Kudurumalla
> > > > <rkudurumalla@marvell.com> wrote:
> > > >
> > > > > Dropping of packets based on RED can be skipped with meter
> > > > > action, when RED is configured using
> > > > > rte_eth_cman_config_set()
> > > > >
> > > > > Signed-off-by: Rakesh Kudurumalla <rkudurumalla@marvell.com>
> > > >
> > > > Should this be more general and apply to all congestion management
> > > > options. Assuming the hardware can do something better than RED.
> > >
> > > Yes. We can use "enum rte_cman_mode mode" in the descriptor to
> > > future- proof.
> >
> > I'm missing the idea of this new action, I understand that is related
> > to Jerin congestion patches.
> > But I fail to see why we need it? Is it to mark some metadata that
> > will have some effect on the congestion result? (I assume the system
> > is implemented in the HW)
> 
> Yes. It is implemented in HW. Congestion management is applied on ethdev
> Rx queue using rte_eth_cman_config() API. Once it is configured, it applies to
> all the packets that steer towards that particular ethdev Rx queue. This
> feature help to skip the congestion management processing based on the
> packet color identified by the rte_flow meter object. For example, If one Rx
> queue configured as RED congestion  and application wants to bypass the
> RED congestion  processing for all GREEN color packet can be expressed
> though this API proposal.

Hi Ori Kam,

Let me know if above information  would give clear idea on skip RED action


  reply	other threads:[~2023-01-18  8:09 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-22  1:39 Rakesh Kudurumalla
2022-12-22  1:39 ` [PATCH 2/3] app/testpmd: add skip red for testpmd Rakesh Kudurumalla
2022-12-22  1:39 ` [PATCH 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2022-12-22  3:01 ` [PATCH 1/3] lib: dpdk spec to skip red " Stephen Hemminger
2022-12-22  5:27   ` Jerin Jacob
2022-12-26 17:00     ` Ori Kam
2023-01-10  6:42       ` Rakesh Kudurumalla
2023-01-18  8:09         ` Rakesh Kudurumalla [this message]
2023-01-23 13:13           ` Jerin Jacob
2023-01-26 15:13           ` Ori Kam
2023-01-27  6:23             ` Jerin Jacob
2023-02-01 17:49               ` Ori Kam
2023-02-01 18:37                 ` Jerin Jacob
2023-02-02  7:31                   ` Ori Kam
2023-02-06  3:31                     ` Jerin Jacob
2023-01-25  7:32 ` [PATCH v2 1/3] lib: skip congestion management configuration Rakesh Kudurumalla
2023-01-25  7:32   ` [PATCH v2 2/3] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-01-25  7:32   ` [PATCH v2 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-01-25  9:26   ` [PATCH v2 1/3] lib: skip congestion management configuration Jerin Jacob
2023-02-09  7:24   ` [PATCH v3 " Rakesh Kudurumalla
2023-02-09  7:24     ` [PATCH v3 2/3] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-02-09  7:24     ` [PATCH v3 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-02-09  7:31     ` [PATCH v3 1/3] lib: skip congestion management configuration Jerin Jacob
2023-02-09  8:35     ` [PATCH v4 1/3] ethdev: " Rakesh Kudurumalla
2023-02-09  8:35       ` [PATCH v4 2/3] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-02-09  8:35       ` [PATCH v4 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-02-09 17:14         ` Jerin Jacob
2023-02-09 14:51       ` [PATCH v4 1/3] ethdev: skip congestion management configuration Ori Kam
2023-02-10  8:14       ` [PATCH v5 " Rakesh Kudurumalla
2023-02-10  8:14         ` [PATCH v5 2/3] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-02-10  8:14         ` [PATCH v5 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-02-10  8:16         ` [PATCH v5 1/3] ethdev: skip congestion management configuration Jerin Jacob
2023-02-10  8:26         ` [PATCH v6 " Rakesh Kudurumalla
2023-02-10  8:26           ` [PATCH v6 2/3] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-02-10 23:08             ` Ferruh Yigit
2023-02-14 13:12               ` Ferruh Yigit
2023-02-10  8:26           ` [PATCH v6 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-02-10 23:18             ` Ferruh Yigit
2023-02-10  9:27           ` [PATCH v6 1/3] ethdev: skip congestion management configuration Jerin Jacob
2023-02-10 23:10           ` Ferruh Yigit
2023-02-13 12:34             ` Ori Kam
2023-02-13 13:54               ` Ferruh Yigit
2023-02-13 15:44                 ` Jerin Jacob
2023-02-13 15:53                   ` Ferruh Yigit
2023-02-11  0:35           ` Ferruh Yigit
2023-02-11  5:16             ` Jerin Jacob
2023-02-12  9:00           ` [PATCH v7 " Rakesh Kudurumalla
2023-02-12  9:00             ` [PATCH v7 2/3] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-02-12  9:00             ` [PATCH v7 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-02-14 13:04             ` [PATCH v8 1/4] ethdev: skip congestion management configuration Rakesh Kudurumalla
2023-02-14 13:04               ` [PATCH v8 2/4] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-02-14 13:21                 ` Ferruh Yigit
2023-02-14 13:04               ` [PATCH v8 3/4] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-02-14 13:04               ` [PATCH v8 4/4] doc: update release notes for 23_03.rst Rakesh Kudurumalla
2023-02-14 13:19                 ` Ferruh Yigit
2023-02-14 13:13               ` [PATCH v8 1/4] ethdev: skip congestion management configuration Ferruh Yigit
2023-02-15  6:25               ` [PATCH v9 1/3] " Rakesh Kudurumalla
2023-02-15  6:25                 ` [PATCH v9 2/3] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-02-15  6:25                 ` [PATCH v9 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-02-15  9:45                   ` Ferruh Yigit
2023-02-15 10:00                   ` Nithin Kumar Dabilpuram
2023-02-15  9:43                 ` [PATCH v9 1/3] ethdev: skip congestion management configuration Ferruh Yigit
2023-02-15 17:42                 ` [PATCH v10 " Rakesh Kudurumalla
2023-02-15 17:42                   ` [PATCH v10 2/3] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-02-16 12:19                     ` Ferruh Yigit
2023-02-15 17:42                   ` [PATCH v10 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-02-16 14:51                   ` [PATCH v11 1/3] ethdev: skip congestion management configuration Rakesh Kudurumalla
2023-02-16 14:51                     ` [PATCH v11 2/3] app/testpmd: add skip cman support for testpmd Rakesh Kudurumalla
2023-02-16 14:51                     ` [PATCH v11 3/3] net/cnxk: skip red drop for ingress policer Rakesh Kudurumalla
2023-02-16 16:18                     ` [PATCH v11 1/3] ethdev: skip congestion management configuration Ferruh Yigit

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