Re: [dpdk-stable] [PATCH] net/mlx5: fix wrong assert in modify converting

[Raslan Darawsheh <rasland@mellanox.com>]

Hi,
> -----Original Message-----
> From: Bing Zhao <bingz@mellanox.com>
> Sent: Wednesday, April 29, 2020 4:06 PM
> To: Slava Ovsiienko <viacheslavo@mellanox.com>; Raslan Darawsheh
> <rasland@mellanox.com>
> Cc: Ori Kam <orika@mellanox.com>; Matan Azrad <matan@mellanox.com>;
> dev@dpdk.org; stable@dpdk.org
> Subject: [PATCH] net/mlx5: fix wrong assert in modify converting
> 
> The assertion was added incorrectly in converting the modify actions
> into the format of low layer driver.
> There is no mask specified in the rte_flow actions, and PMD dirver
> will give a mask of all 1s to the field to be modified. For each
> field, the mask could not be zero. But for the whole header which
> contains this field, the masks of other fields could be zero. The
> assertion needs to be removed for debug mode.
> 
> Fixes: 72a944dba163 ("net/mlx5: fix header modify action validation")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Bing Zhao <bingz@mellanox.com>
> Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
> ---
>  drivers/net/mlx5/mlx5_flow_dv.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_flow_dv.c
> b/drivers/net/mlx5/mlx5_flow_dv.c
> index 6263ecc..8cd9c83 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -434,7 +434,6 @@ struct field_modify_info modify_tcp[] = {
>  		/* Fetch variable byte size mask from the array. */
>  		mask = flow_dv_fetch_field((const uint8_t *)item->mask +
>  					   field->offset, field->size);
> -		MLX5_ASSERT(mask);
>  		if (!mask) {
>  			++field;
>  			continue;
> --
> 1.8.3.1


Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh