Re: [dpdk-dev] [PATCH v4 0/4] Support PPS(packet per second) on meter

[Li Zhang <lizh@nvidia.com>]

Hi Ferruh,

> -----Original Message-----
> From: Ferruh Yigit <ferruh.yigit@intel.com>
> Sent: Tuesday, April 13, 2021 7:06 PM
> 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>;
> cristian.dumitrescu@intel.com; lironh@marvell.com; jerinj@marvell.com
> Cc: dev@dpdk.org; NBU-Contact-Thomas Monjalon <thomas@monjalon.net>;
> Raslan Darawsheh <rasland@nvidia.com>; Roni Bar Yanai
> <roniba@nvidia.com>
> Subject: Re: [PATCH v4 0/4] Support PPS(packet per second) on meter
> 
> External email: Use caution opening links or attachments
> 
> 
> On 4/13/2021 12:02 PM, Li Zhang wrote:
> > Hi Ferruh,
> >
> >> -----Original Message-----
> >> From: Ferruh Yigit <ferruh.yigit@intel.com>
> >> Sent: Tuesday, April 13, 2021 6:25 PM
> >> 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>;
> >> cristian.dumitrescu@intel.com; lironh@marvell.com; jerinj@marvell.com
> >> Cc: dev@dpdk.org; NBU-Contact-Thomas Monjalon
> <thomas@monjalon.net>;
> >> Raslan Darawsheh <rasland@nvidia.com>; Roni Bar Yanai
> >> <roniba@nvidia.com>
> >> Subject: Re: [PATCH v4 0/4] Support PPS(packet per second) on meter
> >>
> >> External email: Use caution opening links or attachments
> >>
> >>
> >> On 4/13/2021 4:50 AM, Li Zhang wrote:
> >>> 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.
> >>>
> >>> 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.
> >>>
> >>> RFC ("adds support PPS(packet per second) on meter")
> >>>
> https://patchwork.dpdk.org/project/dpdk/patch/20210125012023.1769769
> >>> -
> >> 2
> >>> -lizh@nvidia.com/
> >>>
> >>> Depends-on: series=16301  ("Support meter policy API ")
> >>> https://patchwork.dpdk.org/project/dpdk/list/?series=16301
> >>>
> >>
> >> Hi Li,
> >>
> >> I am not clear with the dependency chain, can you please clarify,
> >>
> >> 1) Is this set depends to series-16301? Because it compiles fine
> >> after conflict resolved, I can see in your repo there is an order,
> >> but if there is no functional/logical dependency you can set this
> >> patch exactly on top of HEAD (removing the series-16301 in between), so
> the CI will be enabled.
> >
> > I will delete series-16301.
> > But it will merge conflict when series-16301 merged after it.
> >
> 
> Please send both this patch, and series-16301 on top of latest head, this
> enables CI for both.
> 
> When merging them we can handle the conflict, based on which one merged
> first, or can ask you to rebase the second one but for this case it does not look
> too complex to resolve ourselves.
> 

Got it and will sent it on V5 patch.

> >> 2) According its cover letter series-16301 depends on mlx ASO patch,
> >> this makes all ethdev patches dependent to mlx5 set, I guess that is
> >> wrong, can you please confirm?
> >>
> >> Above (1) is more important, since series-16301 not fully acked, it
> >> is blocking me to proceed.
> >>
> >>> V2: create a unified patch that contains both the series with
> >>>        the API changes and the series with the necessary error
> >>> checks in the
> >> drivers.
> >>> V3: Fix comments about commit-log.
> >>> V4: Fix comments about Depends-on and rebase.
> >>>
> >>> Li Zhang (4):
> >>>     ethdev: add packet mode in meter profile structure
> >>>     app/testpmd: add meter profile packet mode option
> >>>     net/softnic: check meter packet mode
> >>>     net/mvpp2: check meter packet mode
> >>>
> >>>    app/test-pmd/cmdline_mtr.c                  | 40 ++++++++-
> >>>    doc/guides/rel_notes/release_21_05.rst      | 12 +++
> >>>    doc/guides/testpmd_app_ug/testpmd_funcs.rst | 31 +++----
> >>>    drivers/net/mvpp2/mrvl_mtr.c                |  6 ++
> >>>    drivers/net/softnic/rte_eth_softnic_meter.c |  8 ++
> >>>    lib/librte_ethdev/rte_mtr.h                 | 90 ++++++++++++++++++---
> >>>    6 files changed, 159 insertions(+), 28 deletions(-)
> >>>
> >