[dpdk-dev] [PATCH v2] net/mlx5: fix limit on direct rules tables number

[Slava Ovsiienko]

> -----Original Message-----
> From: Dekel Peled <dekelp at mellanox.com>
> Sent: Thursday, August 1, 2019 16:23
> To: Yongseok Koh <yskoh at mellanox.com>; Slava Ovsiienko
> <viacheslavo at mellanox.com>; Shahaf Shuler <shahafs at mellanox.com>
> Cc: Ori Kam <orika at mellanox.com>; dev at dpdk.org
> Subject: [PATCH v2] net/mlx5: fix limit on direct rules tables number
> 
> MLX5 PMD limits the number of SW steering tables to 32.
> This patch updates the limit to 65535, to allow wide range of values.
> 
> Fixes: e2b4925ef7c1 ("net/mlx5: support Direct Rules E-Switch")
> 
> v2: remove Cc to stable release, not relevant for this fix.
> 
> Signed-off-by: Dekel Peled <dekelp at mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo at mellanox.com>

> ---
>  drivers/net/mlx5/mlx5.h         | 4 ++--
>  drivers/net/mlx5/mlx5_flow_dv.c | 2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index
> caf2491..f559f83 100644
> --- a/drivers/net/mlx5/mlx5.h
> +++ b/drivers/net/mlx5/mlx5.h
> @@ -513,8 +513,8 @@ struct mlx5_flow_tbl_resource {
>  	rte_atomic32_t refcnt; /**< Reference counter. */  };
> 
> -#define MLX5_MAX_TABLES 1024
> -#define MLX5_MAX_TABLES_FDB 32
> +#define MLX5_MAX_TABLES 0xffff
> +#define MLX5_MAX_TABLES_FDB 0xffff
>  #define MLX5_GROUP_FACTOR 1
> 
>  #define MLX5_DBR_PAGE_SIZE 4096 /* Must be >= 512. */ diff --git
> a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
> index 9c0a261..14e70ed 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -2817,7 +2817,7 @@ struct field_modify_info modify_tcp[] = {
>  				(error, EINVAL,
>  				 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
>  				 NULL, "group must be smaller than "
> -				 RTE_STR(MLX5_MAX_FDB_TABLES));
> +				 RTE_STR(MLX5_MAX_TABLES_FDB));
>  	}
>  	if (!(attributes->egress ^ attributes->ingress))
>  		return rte_flow_error_set(error, ENOTSUP,
> --
> 1.8.3.1