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From: Li Zhang <lizh@nvidia.com>
To: "Dumitrescu, Cristian" <cristian.dumitrescu@intel.com>,
	"dekelp@nvidia.com" <dekelp@nvidia.com>,
	Ori Kam <orika@nvidia.com>,
	Slava Ovsiienko <viacheslavo@nvidia.com>,
	Matan Azrad <matan@nvidia.com>,
	Shahaf Shuler <shahafs@nvidia.com>,
	NBU-Contact-Thomas Monjalon <thomas@monjalon.net>,
	"Yigit, Ferruh" <ferruh.yigit@intel.com>,
	Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	Raslan Darawsheh <rasland@nvidia.com>,
	Roni Bar Yanai <roniba@nvidia.com>
Subject: Re: [dpdk-dev] [PATCH 1/2] ethdev: add packet mode in meter profile structure
Date: Thu, 1 Apr 2021 01:41:46 +0000
Message-ID: <DM6PR12MB4090D3907731442323976C7DBF7B9@DM6PR12MB4090.namprd12.prod.outlook.com> (raw)
In-Reply-To: <DM6PR11MB2796336D67827B588445D982EB7C9@DM6PR11MB2796.namprd11.prod.outlook.com>

Hi Dumitrescu,

Thank you for your comments.
I will add the necessary checks in V2 patches.

Regards,
Li Zhang

> -----Original Message-----
> From: Dumitrescu, Cristian <cristian.dumitrescu@intel.com>
> Sent: Thursday, April 1, 2021 12:27 AM
> To: Li Zhang <lizh@nvidia.com>; dekelp@nvidia.com; Ori Kam
> <orika@nvidia.com>; Slava Ovsiienko <viacheslavo@nvidia.com>; Matan
> Azrad <matan@nvidia.com>; Shahaf Shuler <shahafs@nvidia.com>; NBU-
> Contact-Thomas Monjalon <thomas@monjalon.net>; Yigit, Ferruh
> <ferruh.yigit@intel.com>; Andrew Rybchenko
> <andrew.rybchenko@oktetlabs.ru>
> Cc: dev@dpdk.org; Raslan Darawsheh <rasland@nvidia.com>; Roni Bar Yanai
> <roniba@nvidia.com>
> Subject: RE: [PATCH 1/2] ethdev: add packet mode in meter profile structure
> 
> External email: Use caution opening links or attachments
> 
> 
> Hi Li,
> 
> > -----Original Message-----
> > From: Li Zhang <lizh@nvidia.com>
> > Sent: Wednesday, March 31, 2021 9:54 AM
> > To: dekelp@nvidia.com; orika@nvidia.com; viacheslavo@nvidia.com;
> > matan@nvidia.com; shahafs@nvidia.com; Dumitrescu, Cristian
> > <cristian.dumitrescu@intel.com>; Thomas Monjalon
> > <thomas@monjalon.net>; Yigit, Ferruh <ferruh.yigit@intel.com>; Andrew
> > Rybchenko <andrew.rybchenko@oktetlabs.ru>
> > Cc: dev@dpdk.org; rasland@nvidia.com; roniba@nvidia.com
> > Subject: [PATCH 1/2] ethdev: add packet mode in meter profile
> > structure
> >
> > Currently meter algorithms only supports rate is bytes per second(BPS).
> > Add packet_mode flag in meter profile parameters data structure.
> > So that it can meter traffic by packet per second.
> >
> > When packet_mode is 0, the profile rates and bucket sizes are
> > specified in bytes per second and bytes when packet_mode is not 0, the
> > profile rates and bucket sizes are specified in packets and packets
> > per second.
> >
> > The below structure will be extended:
> > rte_mtr_meter_profile
> > rte_mtr_capabilities
> >
> > Signed-off-by: Li Zhang <lizh@nvidia.com>
> > ---
> >  doc/guides/rel_notes/release_21_05.rst |  7 ++
> >  lib/librte_ethdev/rte_mtr.h            | 89 ++++++++++++++++++++++----
> >  2 files changed, 85 insertions(+), 11 deletions(-)
> >
> > diff --git a/doc/guides/rel_notes/release_21_05.rst
> > b/doc/guides/rel_notes/release_21_05.rst
> > index 3c76148b11..c9c15794ad 100644
> > --- a/doc/guides/rel_notes/release_21_05.rst
> > +++ b/doc/guides/rel_notes/release_21_05.rst
> > @@ -119,6 +119,13 @@ New Features
> >    * Added command to display Rx queue used descriptor count.
> >      ``show port (port_id) rxq (queue_id) desc used count``
> >
> > +* **Added support for meter PPS profile.**
> > +
> > +  Currently meter algorithms only supports bytes per second(BPS).
> > +  Add packet_mode in the meter profile parameters data structures  to
> > + support packet per second (PPS) mode.
> > +  So that it can meter traffic by packet per second.
> > +  Packet_mode must be 0 when it is bytes mode.
> >
> >  Removed Items
> >  -------------
> > diff --git a/lib/librte_ethdev/rte_mtr.h b/lib/librte_ethdev/rte_mtr.h
> > index e1dc59eb06..52611a90f5 100644
> > --- a/lib/librte_ethdev/rte_mtr.h
> > +++ b/lib/librte_ethdev/rte_mtr.h
> > @@ -133,46 +133,71 @@ struct rte_mtr_meter_profile {
> >       union {
> >               /** Items only valid when *alg* is set to srTCM - RFC 2697. */
> >               struct {
> > -                     /** Committed Information Rate (CIR)
> > (bytes/second). */
> > +                     /**
> > +                      * Committed Information Rate (CIR)
> > +                      * (bytes per second or packets per second).
> > +                      */
> >                       uint64_t cir;
> >
> > -                     /** Committed Burst Size (CBS) (bytes). */
> > +                     /** Committed Burst Size (CBS) (bytes or
> > + packets). */
> >                       uint64_t cbs;
> >
> > -                     /** Excess Burst Size (EBS) (bytes). */
> > +                     /** Excess Burst Size (EBS) (bytes or packets).
> > + */
> >                       uint64_t ebs;
> >               } srtcm_rfc2697;
> >
> >               /** Items only valid when *alg* is set to trTCM - RFC 2698. */
> >               struct {
> > -                     /** Committed Information Rate (CIR)
> > (bytes/second). */
> > +                     /**
> > +                      * Committed Information Rate (CIR)
> > +                      * (bytes per second or packets per second).
> > +                      */
> >                       uint64_t cir;
> >
> > -                     /** Peak Information Rate (PIR) (bytes/second). */
> > +                     /**
> > +                      * Peak Information Rate (PIR)
> > +                      * (bytes per second or packets per second).
> > +                      */
> >                       uint64_t pir;
> >
> > -                     /** Committed Burst Size (CBS) (byes). */
> > +                     /** Committed Burst Size (CBS) (bytes or
> > + packets). */
> >                       uint64_t cbs;
> >
> > -                     /** Peak Burst Size (PBS) (bytes). */
> > +                     /** Peak Burst Size (PBS) (bytes or packets). */
> >                       uint64_t pbs;
> >               } trtcm_rfc2698;
> >
> >               /** Items only valid when *alg* is set to trTCM - RFC 4115. */
> >               struct {
> > -                     /** Committed Information Rate (CIR)
> > (bytes/second). */
> > +                     /**
> > +                      * Committed Information Rate (CIR)
> > +                      * (bytes per second or packets per second).
> > +                      */
> >                       uint64_t cir;
> >
> > -                     /** Excess Information Rate (EIR) (bytes/second). */
> > +                     /**
> > +                      * Excess Information Rate (EIR)
> > +                      * (bytes per second or packets per second).
> > +                      */
> >                       uint64_t eir;
> >
> > -                     /** Committed Burst Size (CBS) (byes). */
> > +                     /** Committed Burst Size (CBS) (bytes or
> > + packets). */
> >                       uint64_t cbs;
> >
> > -                     /** Excess Burst Size (EBS) (bytes). */
> > +                     /** Excess Burst Size (EBS) (bytes or packets).
> > + */
> >                       uint64_t ebs;
> >               } trtcm_rfc4115;
> >       };
> > +
> > +     /**
> > +      * When zero, the byte mode is enabled for the current profile,
> > + so
> > the
> > +      * *rate* and *size* fields are specified in bytes per second
> > +      * and bytes, respectively.
> > +      * When non-zero, the packet mode is enabled for the current
> > profile,
> > +      * so the *rate* and *size* fields are specified in packets per second
> > +      * and packets, respectively.
> > +      */
> > +     int packet_mode;
> >  };
> >
> >  /**
> > @@ -333,6 +358,48 @@ struct rte_mtr_capabilities {
> >        */
> >       int color_aware_trtcm_rfc4115_supported;
> >
> > +     /**
> > +      * srTCM rfc2697 byte mode supported.
> > +      * When non-zero, it indicates that byte mode is supported for
> > +      * the srTCM RFC 2697 metering algorithm.
> > +      */
> > +     int srtcm_rfc2697_byte_mode_supported;
> > +
> > +     /**
> > +      * srTCM rfc2697 packet mode supported.
> > +      * When non-zero, it indicates that packet mode is supported for
> > +      * the srTCM RFC 2697 metering algorithm.
> > +      */
> > +     int srtcm_rfc2697_packet_mode_supported;
> > +
> > +     /**
> > +      * trTCM rfc2698 byte mode supported.
> > +      * When non-zero, it indicates that byte mode is supported for
> > +      * the trTCM RFC 2698 metering algorithm.
> > +      */
> > +     int trtcm_rfc2698_byte_mode_supported;
> > +
> > +     /**
> > +      * trTCM rfc2698 packet mode supported.
> > +      * When non-zero, it indicates that packet mode is supported for
> > +      * the trTCM RFC 2698 metering algorithm.
> > +      */
> > +     int trtcm_rfc2698_packet_mode_supported;
> > +
> > +     /**
> > +      * trTCM rfc4115 byte mode supported.
> > +      * When non-zero, it indicates that byte mode is supported for
> > +      * the trTCM RFC 4115 metering algorithm.
> > +      */
> > +     int trtcm_rfc4115_byte_mode_supported;
> > +
> > +     /**
> > +      * trTCM rfc4115 packet mode supported.
> > +      * When non-zero, it indicates that packet mode is supported for
> > +      * the trTCM RFC 4115 metering algorithm.
> > +      */
> > +     int trtcm_rfc4115_packet_mode_supported;
> > +
> >       /** Set of supported statistics counter types.
> >        * @see enum rte_mtr_stats_type
> >        */
> > --
> > 2.27.0
> 
> These API updates look good to me, but please add the necessary checks to
> the existing drivers implementing the rte_mtr API to makes sure that profiles
> with packet_mode set to TRUE are rejected.
> 
> For the Soft NIC driver, this is a simple check in file
> drivers/net/softnic/rte_eth_softnic_meter.c, function meter_profile_check.
> Thanks!
> 
> Regards,
> Cristian

  reply	other threads:[~2021-04-01  1:41 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-31  8:54 [dpdk-dev] [PATCH 0/2] Support PPS(packet per second) on meter Li Zhang
2021-03-31  8:54 ` [dpdk-dev] [PATCH 1/2] ethdev: add packet mode in meter profile structure Li Zhang
2021-03-31 16:26   ` Dumitrescu, Cristian
2021-04-01  1:41     ` Li Zhang [this message]
2021-04-01  6:19       ` Li Zhang
2021-04-07 20:20         ` Dumitrescu, Cristian
2021-04-08  4:06           ` Li Zhang
2021-03-31  8:54 ` [dpdk-dev] [PATCH 2/2] app/testpmd: add meter profile packet mode option Li Zhang
2021-04-07 20:17   ` Dumitrescu, Cristian
2021-04-08  2:34     ` Li Zhang
2021-04-07 20:21   ` Dumitrescu, Cristian
2021-04-08  3:58 ` [dpdk-dev] [PATCH v2 0/4] Support PPS(packet per second) on meter Li Zhang
2021-04-08  3:58   ` [dpdk-dev] [PATCH v2 1/4] ethdev: add packet mode in meter profile structure Li Zhang
2021-04-08  3:58   ` [dpdk-dev] [PATCH v2 2/4] app/testpmd: add meter profile packet mode option Li Zhang
2021-04-08  3:58   ` [dpdk-dev] [PATCH v2 3/4] net/softnic: check meter packet mode Li Zhang
2021-04-08  3:58   ` [dpdk-dev] [PATCH v2 4/4] net/mvpp2: " Li Zhang
2021-04-10  7:24   ` [dpdk-dev] [PATCH v3 0/4] Support PPS(packet per second) on meter Li Zhang
2021-04-10  7:24     ` [dpdk-dev] [PATCH v3 1/4] ethdev: add packet mode in meter profile structure Li Zhang
2021-04-12 19:23       ` Dumitrescu, Cristian
2021-04-12 19:28         ` Jerin Jacob
2021-04-13  3:48           ` Ajit Khaparde
2021-04-10  7:24     ` [dpdk-dev] [PATCH v3 2/4] app/testpmd: add meter profile packet mode option Li Zhang
2021-04-12 23:51       ` Ferruh Yigit
2021-04-13  2:57         ` Li Zhang
2021-04-10  7:24     ` [dpdk-dev] [PATCH v3 3/4] net/softnic: check meter packet mode Li Zhang
2021-04-12 19:24       ` Dumitrescu, Cristian
2021-04-10  7:24     ` [dpdk-dev] [PATCH v3 4/4] net/mvpp2: " Li Zhang
2021-04-12 23:54     ` [dpdk-dev] [PATCH v3 0/4] Support PPS(packet per second) on meter Ferruh Yigit
2021-04-13  2:53       ` Li Zhang
2021-04-13  3:50 ` [dpdk-dev] [PATCH v4 " Li Zhang
2021-04-13  3:50   ` [dpdk-dev] [PATCH v4 1/4] ethdev: add packet mode in meter profile structure Li Zhang
2021-04-13  3:50   ` [dpdk-dev] [PATCH v4 2/4] app/testpmd: add meter profile packet mode option Li Zhang
2021-04-13  3:50   ` [dpdk-dev] [PATCH v4 3/4] net/softnic: check meter packet mode Li Zhang
2021-04-13  3:50   ` [dpdk-dev] [PATCH v4 4/4] net/mvpp2: " Li Zhang
2021-04-13  5:42     ` [dpdk-dev] [EXT] " Liron Himi
2021-04-13 10:24   ` [dpdk-dev] [PATCH v4 0/4] Support PPS(packet per second) on meter Ferruh Yigit
2021-04-13 11:02     ` Li Zhang
2021-04-13 11:05       ` Ferruh Yigit
2021-04-13 15:46         ` Li Zhang
2021-04-13 15:59 ` [dpdk-dev] [PATCH v5 " Li Zhang
2021-04-13 15:59   ` [dpdk-dev] [PATCH v5 1/4] ethdev: add packet mode in meter profile structure Li Zhang
2021-04-17 22:35     ` Thomas Monjalon
2021-04-13 15:59   ` [dpdk-dev] [PATCH v5 2/4] app/testpmd: add meter profile packet mode option Li Zhang
2021-04-13 16:09     ` Ajit Khaparde
2021-04-13 15:59   ` [dpdk-dev] [PATCH v5 3/4] net/softnic: check meter packet mode Li Zhang
2021-04-13 15:59   ` [dpdk-dev] [PATCH v5 4/4] net/mvpp2: " Li Zhang
2021-04-13 18:39   ` [dpdk-dev] [PATCH v5 0/4] Support PPS(packet per second) on meter Ferruh Yigit

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