Re: [EXT] Re: [dpdk-dev] [PATCH v2 2/2] app/testpmd: add queue based pfc CLI options

[Ajit Khaparde <ajit.khaparde@broadcom.com>]

On Thu, Jan 27, 2022 at 2:40 AM Ferruh Yigit <ferruh.yigit@intel.com> wrote:
>
> On 1/27/2022 7:13 AM, Sunil Kumar Kori wrote:
> >
> >> -----Original Message-----
> >> From: Ferruh Yigit <ferruh.yigit@intel.com>
> >> Sent: Tuesday, January 25, 2022 11:07 PM
> >> To: Jerin Jacob Kollanukkaran <jerinj@marvell.com>; dev@dpdk.org; Xiaoyun
> >> Li <xiaoyun.li@intel.com>; Aman Singh <aman.deep.singh@intel.com>; Yuying
> >> Zhang <yuying.zhang@intel.com>
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> >> Subject: [EXT] Re: [dpdk-dev] [PATCH v2 2/2] app/testpmd: add queue based
> >> pfc CLI options
> >>
> >> External Email
> >>
> >> ----------------------------------------------------------------------
> >> On 1/13/2022 10:27 AM, jerinj@marvell.com wrote:
> >>> From: Sunil Kumar Kori <skori@marvell.com>
> >>>
> >>> Patch adds command line options to configure queue based priority flow
> >>> control.
> >>>
> >>> - Syntax command is given as below:
> >>>
> >>> set pfc_queue_ctrl <port_id> rx <on|off> <tx_qid> <tx_tc> \
> >>>     tx <on|off> <rx_qid> <rx_tc> <pause_time>
> >>>
> >>
> >> Isn't the order of the paramters odd, it is mixing Rx/Tx config, what about
> >> ordering Rx and Tx paramters?
> >>
> > It's been kept like this to portray config for rx_pause and tx_pause separately i.e. mode and corresponding config.
> >
>
> What do you mean 'separately'? You need to provide all arguments anyway, right?
>
> I was thinking first have the Rx arguments, later Tx, like:
>
> rx <on|off> <rx_qid> <rx_tc> tx <on|off> <tx_qid> <tx_tc> <pause_time>
I think this grouping is better.

>
> Am I missing something, is there a benefit of what you did in this patch?

>
> >>> - Example command to configure queue based priority flow control
> >>>     on rx and tx side for port 0, Rx queue 0, Tx queue 0 with pause
> >>>     time 2047
> >>>
> >>> testpmd> set pfc_queue_ctrl 0 rx on 0 0 tx on 0 0 2047
> >>>
> >>> Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
> >>
> >> <...>
>