[PATCH] net/mlx5: fix error packets drop in the regular Rx

[Dariusz Sosnowski]

> -----Original Message-----
> From: Slava Ovsiienko <viacheslavo at nvidia.com>
> Sent: Tuesday, February 20, 2024 12:45
> To: dev at dpdk.org
> Cc: Matan Azrad <matan at nvidia.com>; Raslan Darawsheh
> <rasland at nvidia.com>; Ori Kam <orika at nvidia.com>; Dariusz Sosnowski
> <dsosnowski at nvidia.com>; stable at dpdk.org
> Subject: [PATCH] net/mlx5: fix error packets drop in the regular Rx
> 
> When packet gets received with error it is reported in CQE structure and PMD
> analyzes the error syndrome and provides two options - either reset the entire
> queue for the critical errors, or just ignore the packet.
> 
> The non-vectorized rx_burst did not ignore the non-critical error packets, and
> in case of packet length exceeding the mbuf data buffer length it took the next
> element in the queue WQE ring, resulting in CQE/WQE consume indices
> synchronization lost.
> 
> Fixes: aa67ed308458 ("net/mlx5: ignore non-critical syndromes for Rx
> queue")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>
Acked-by: Dariusz Sosnowski <dsosnowski at nvidia.com>

Best regards,
Dariusz Sosnowski