[dpdk-dev] [PATCH] net/mlx5: fix vport id value in port id action

[Raslan Darawsheh]

Hi,

> -----Original Message-----
> From: Viacheslav Ovsiienko <viacheslavo at mellanox.com>
> Sent: Thursday, November 14, 2019 10:57 AM
> To: dev at dpdk.org
> Cc: Matan Azrad <matan at mellanox.com>; Raslan Darawsheh
> <rasland at mellanox.com>; Ori Kam <orika at mellanox.com>
> Subject: [PATCH] net/mlx5: fix vport id value in port id action
> 
> The kernel driver (starting from OFED 4.7.3.1.3) uses the upper half
> of metadata register C0 to provide VHCA and vport id's. The mlx5 PMD
> should check the actual mask of register C0 and shift the vport id
> value for port actions appropriately.
> 
> Fixes: f07341e7aed3 ("net/mlx5: update source and destination vport
> translations")
> 
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo at mellanox.com>
> ---
>  drivers/net/mlx5/mlx5_flow_dv.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_flow_dv.c
> b/drivers/net/mlx5/mlx5_flow_dv.c
> index 2094e18..5a0cd09 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -6532,7 +6532,8 @@ struct field_modify_info modify_tcp[] = {
>  					  NULL,
>  					  "No eswitch info was found for
> port");
>  	if (priv->vport_meta_mask)
> -		*dst_port_id = priv->vport_meta_tag;
> +		*dst_port_id = priv->vport_meta_tag >>
> +			rte_bsf32(priv->vport_meta_mask);
>  	else
>  		*dst_port_id = priv->vport_id;
>  	return 0;
> --
> 1.8.3.1


Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh