Re: [dpdk-dev] Regarding HQOS with run-to-completion Model

[farooq basha <farooq.juturu@gmail.com>]

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Thanks Stephen.

             While browsing the DPDK qos code, i figured out that existing
PIPE-PROFILE cannot be updated or deleted at run time.
Was there any reason why this limitation ?

Thanks
Farooq.J

On Thu, 22 May, 2025, 20:51 Stephen Hemminger, <stephen@networkplumber.org>
wrote:

> On Thu, 22 May 2025 08:15:14 +0530
> farooq basha <farooq.juturu@gmail.com> wrote:
>
> > Thanks Stephen for addressing my queries , and it is helpful.
> >
> >     One more follow up question on the same ,   Can DPDK HQOS be
> customized
> > based on Use case ?
> >
> >     For example: Hqos config for one of the use cases ,  *One Port , One
> > Subport , 16 Pipes & Each Pipe with only one TC*.
> >                          16 pipe config was allowed but changing the
> 13TCs
> > to 1TC is not allowed per Pipe.
> >
> >     Can I still use 13 TCs but use the QueueSize as 0, Can that impact
> > performance ?
> >
>
> No. Current qos sched code has hard coded assumptions on number of pipes
> etc.
> I think it is modeled after some carrier standard and is not generally
> that useful.
>

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