[dpdk-dev] [PATCH 26/28] net/mlx5: zero the LRO mbuf headroom

[Slava Ovsiienko]

> -----Original Message-----
> From: Matan Azrad <matan at mellanox.com>
> Sent: Monday, July 22, 2019 12:13
> To: Shahaf Shuler <shahafs at mellanox.com>; Yongseok Koh
> <yskoh at mellanox.com>; Slava Ovsiienko <viacheslavo at mellanox.com>
> Cc: dev at dpdk.org; Dekel Peled <dekelp at mellanox.com>
> Subject: [PATCH 26/28] net/mlx5: zero the LRO mbuf headroom
> 
> LRO packet may consume all the stride memory, hence the PMD cannot
> guaranty head-room for the LRO mbuf.
> 
> The issue is lack in HW support to write the packet in offset from the stride
> start.
> 
> A new striding RQ feature may be added in CX6 DX to allow head-room and
> tail-room for the LRO strides.
> 
> Signed-off-by: Matan Azrad <matan at mellanox.com>

Acked-by: Viacheslav Ovsiienko <viacheslavo at mellanox.com>