On Mon, Mar 19, 2018 at 03:10:28PM +0200, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
>
> Changelog v0->v1:
> * Fixed padding in mlx5-abi.h
>
> >From Bodong:
>
> This is an enhancement for packet pacing. It is defined to achieve
> best performance and accuracy for the rate limit. It is achieved by
> specific the following two new parameters:
>
> max_burst_sz: The device will schedule bursts of packets for a
> QP connected to this rate, smaller than or equal to this value.
> Value 0x0 indicates packet bursts will be limited to the device
> defaults. This field should be used if bursts of packets must be
> strictly kept under a certain value.
>
> typical_pkt_size: When the rate limit is intended for a stream of
> similar packets, stating the typical packet size can improve the
> accuracy of the rate limiter. The expected packet size will be
> the same for all QPs associated with the same rate limit index.
>
> Now, a rate limit index will be chosen based on 3 parameters:
> rate_limit, max_burst_sz, and typical_pkt_size.
>
> The burst control information is passed by user through user data.
> Mlx5 driver {net, IB} is updated to support this enhancement and
> report the capabilities accordingly.
>
> Thanks
>
> Bodong Wang (2):
> net/mlx5: Packet pacing enhancement
> IB/mlx5: Packet packing enhancement for RAW QP
Applied to for-next,
Thanks
Jason
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