[dpdk-dev] [PATCH] net/mlx5: fix CQE decompression for ARM and PowerPC

Slava Ovsiienko viacheslavo at nvidia.com
Sun Nov 1 17:39:01 CET 2020


> -----Original Message-----
> From: Alexander Kozyrev <akozyrev at nvidia.com>
> Sent: Thursday, October 29, 2020 19:58
> To: dev at dpdk.org
> Cc: Raslan Darawsheh <rasland at nvidia.com>; Slava Ovsiienko
> <viacheslavo at nvidia.com>; Matan Azrad <matan at nvidia.com>
> Subject: [PATCH] net/mlx5: fix CQE decompression for ARM and PowerPC
> 
> The recent Rx code refactoring moved the incrementing of the CQ completion
> index out of the rxq_cq_decompress_v() function to the rxq_burst_v()
> function.
> 
> The advancing of CQ completion index was removed in SSE version only
> causing Neon and Altivec Rx bursts to stall.
> 
> Remove the incrementation of CQ completion index for all the architectures in
> order to fix the stall.
> 
> Fixes: bf7d5157ed ("net/mlx5: refactor vectorized Rx")
> 
> Signed-off-by: Alexander Kozyrev <akozyrev at nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>



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