Re: [dpdk-stable] [PATCH] net/mlx5: fix incorrect set VLAN ID action offset

[Raslan Darawsheh <rasland@mellanox.com>]

Hi,

> -----Original Message-----
> From: Suanming Mou <suanmingm@mellanox.com>
> Sent: Wednesday, February 19, 2020 4:15 PM
> To: Slava Ovsiienko <viacheslavo@mellanox.com>; Matan Azrad
> <matan@mellanox.com>; Dekel Peled <dekelp@mellanox.com>
> Cc: dev@dpdk.org; Raslan Darawsheh <rasland@mellanox.com>;
> stable@dpdk.org
> Subject: [PATCH] net/mlx5: fix incorrect set VLAN ID action offset
> 
> Currently, the set VLAN ID header modify action has already got the
> action pointer with offset from the header modify action array, but
> the configuration saves the detail to the memory of action with the
> offset again. It causes double offset to set the VLAN ID action to
> the wrong place in the header modify array.
> 
> Remove the offset when get the action pointer to fix that issue.
> 
> Fixes: 5f163d520cff ("net/mlx5: support modify VLAN ID on existing VLAN
> header")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Suanming Mou <suanmingm@mellanox.com>
> Acked-by: Dekel Peled <dekelp@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 359a037..5950274 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -637,7 +637,7 @@ struct field_modify_info modify_tcp[] = {
>  	const struct rte_flow_action_of_set_vlan_vid *conf =
>  		(const struct rte_flow_action_of_set_vlan_vid *)(action-
> >conf);
>  	int i = resource->actions_num;
> -	struct mlx5_modification_cmd *actions = &resource->actions[i];
> +	struct mlx5_modification_cmd *actions = resource->actions;
>  	struct field_modify_info *field = modify_vlan_out_first_vid;
> 
>  	if (i >= MLX5_MAX_MODIFY_NUM)
> --
> 1.8.3.1


Patch applied to next-net-mlx,
Kindest regards,
Raslan Darawsheh