[dpdk-stable] [PATCH] net/mlx5: fix set VLAN vid size check

[Raslan Darawsheh]

Hi,

> -----Original Message-----
> From: Wisam Monther <wisamm at mellanox.com>
> Sent: Thursday, April 30, 2020 11:31 AM
> To: dev at dpdk.org; Dekel Peled <dekelp at mellanox.com>; Slava Ovsiienko
> <viacheslavo at mellanox.com>; Raslan Darawsheh <rasland at mellanox.com>
> Cc: Moti Haimovsky <motih at mellanox.com>; stable at dpdk.org
> Subject: [PATCH] net/mlx5: fix set VLAN vid size check
> 
> All comparison should be done in CPU endianness, otherwise
> it will not give right results.
> 
> for example:
> 255 after converting into RTE_BE16 will be biger than 4096 after
> converting into RTE_BE16.
> 
> Fixes: a5f2da0b816b ("net/mlx5: support modify VLAN ID on new VLAN
> header")
> Cc: motih at mellanox.com
> Cc: stable at dpdk.org backport
> 
> Signed-off-by: Wisam Jaddo <wisamm at mellanox.com>
> ---
>  drivers/net/mlx5/mlx5_flow_dv.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_flow_dv.c
> b/drivers/net/mlx5/mlx5_flow_dv.c
> index 6263ecc731..2b88e85248 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -1965,7 +1965,7 @@ flow_dv_validate_action_set_vlan_vid(uint64_t
> item_flags,
>  	const struct rte_flow_action *action = actions;
>  	const struct rte_flow_action_of_set_vlan_vid *conf = action->conf;
> 
> -	if (conf->vlan_vid > RTE_BE16(0xFFE))
> +	if (rte_be_to_cpu_16(conf->vlan_vid) > 0xFFE)
>  		return rte_flow_error_set(error, EINVAL,
>  					  RTE_FLOW_ERROR_TYPE_ACTION,
> action,
>  					  "VLAN VID value is too big");
> --
> 2.17.1


Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh