[PATCH v2] net/mlx5: fix MPRQ stride size to accommodate the headroom

Raslan Darawsheh rasland at nvidia.com
Tue Jul 18 17:02:16 CEST 2023


Hi,

> -----Original Message-----
> From: Alexander Kozyrev <akozyrev at nvidia.com>
> Sent: Wednesday, May 31, 2023 10:00 PM
> To: dev at dpdk.org
> Cc: stable at dpdk.org; Raslan Darawsheh <rasland at nvidia.com>; Slava
> Ovsiienko <viacheslavo at nvidia.com>; Matan Azrad <matan at nvidia.com>;
> Michael Baum <michaelba at nvidia.com>
> Subject: [PATCH v2] net/mlx5: fix MPRQ stride size to accommodate the
> headroom
> 
> The space for the headroom is reserved at the end of every MPRQ stride for
> the next packet. The Rx burst logic is to copy any overlapping packet data if
> there is an overlap with this reserved headroom space.
> But it is not possible if the headroom size is bigger than the whole stride.
> Adjust the stride size to make sure the stride size is greater than the headroom
> size.
> 
> Fixes: 34776af600df ("net/mlx5: fix MPRQ stride devargs adjustment")
> 
> Signed-off-by: Alexander Kozyrev <akozyrev at nvidia.com>
> ---

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh


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