Re: [PATCH net-next 2/2] sctp: add weighted fair queueing stream scheduler

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On Tue, Mar 07, 2023 at 04:23:27PM -0500, Xin Long wrote:
> As it says in rfc8260#section-3.6 about the weighted fair queueing
> scheduler:
> 
>    A Weighted Fair Queueing scheduler between the streams is used.  The
>    weight is configurable per outgoing SCTP stream.  This scheduler
>    considers the lengths of the messages of each stream and schedules
>    them in a specific way to use the capacity according to the given
>    weights.  If the weight of stream S1 is n times the weight of stream
>    S2, the scheduler should assign to stream S1 n times the capacity it
>    assigns to stream S2.  The details are implementation dependent.
>    Interleaving user messages allows for a better realization of the
>    capacity usage according to the given weights.
> 
> This patch adds Weighted Fair Queueing Scheduler actually based on
> the code of Fair Capacity Scheduler by adding fc_weight into struct
> sctp_stream_out_ext and taking it into account when sorting stream->
> fc_list in sctp_sched_fc_sched() and sctp_sched_fc_dequeue_done().
> 
> Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>

Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>



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