Reg: "Query in DPDK HQOS "

Reg: "Query in DPDK HQOS "

[Prabakar Prabakar]

Hi
i have query with respect to HQos.

why number of queues in traffic class is fixed to *4*.  And it was
mentioned that "*cannot be changed*".

RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS  *4*

link :
http://doc.dpdk.org/api-17.11/rte__sched_8h.html#a326fddd15331c0fd66c7a181a6b43e29

Any reason behind this, Please help.


Regards,
Prabakar k

Re: Reg: "Query in DPDK HQOS "

[Dumitrescu, Cristian]

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Prabakar Prabakar
> Sent: Wednesday, September 12, 2018 10:01 AM
> To: dev@dpdk.org
> Subject: [dpdk-dev] Reg: "Query in DPDK HQOS "
> 
> Hi
> i have query with respect to HQos.
> 
> why number of queues in traffic class is fixed to *4*.  And it was
> mentioned that "*cannot be changed*".
> 
> RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS  *4*
> 
> link :
> http://doc.dpdk.org/api-
> 17.11/rte__sched_8h.html#a326fddd15331c0fd66c7a181a6b43e29
> 
> Any reason behind this, Please help.
> 
> 
> Regards,
> Prabakar k

Hi Prabakar,

This assumption is built into multiple places throughout the implementation. This comment means that changing the value of this parameter to any value other than 4 will not be picked up seamlessly, i.e. the code will no longer work correctly, therefore it should not be changed.

Regards,
Cristian