On Wed, Jul 6, 2016 at 3:29 PM, Tariq Toukan <tar...@mellanox.com> wrote:
> From: Moshe Shemesh <mo...@mellanox.com>
>
> Expose mlx4_config_svlan_tpid, that checks for feature support
> in device capabilities and sets the Service Tag TPID accordingly.
I Googled for service tag TPID and I understand this is what we can
vlan protcol, correct? any reason to call it differently?
> @@ -2286,6 +2291,7 @@ struct mlx4_config_dev {
> #define MLX4_VXLAN_UDP_DPORT (1 << 0)
> #define MLX4_ROCE_V2_UDP_DPORT BIT(3)
> #define MLX4_DISABLE_RX_PORT BIT(18)
> +#define MLX4_SVLAN_TPID BIT(20)
>
> static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev
> *config_dev)
> {
> @@ -2372,6 +2378,8 @@ int mlx4_config_dev_retrieval(struct mlx4_dev *dev,
>
> params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport);
>
> + params->svlan_tpid = be16_to_cpu(config_dev.svlan_tpid);
> +
> return 0;
> }
> EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval);
> @@ -2414,6 +2422,21 @@ int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16
> udp_port)
> }
> EXPORT_SYMBOL_GPL(mlx4_config_roce_v2_port);
>
> +int mlx4_config_svlan_tpid(struct mlx4_dev *dev, __be16 svlan_tpid)
> +{
> + struct mlx4_config_dev config_dev;
> +
> + if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SVLAN_TPID))
> + return -ENOTSUPP;
> +
> + memset(&config_dev, 0, sizeof(config_dev));
> + config_dev.update_flags = cpu_to_be32(MLX4_SVLAN_TPID);
> + config_dev.svlan_tpid = svlan_tpid;
> +
> + return mlx4_CONFIG_DEV_set(dev, &config_dev);
> +}
> +EXPORT_SYMBOL_GPL(mlx4_config_svlan_tpid);
dead code? I don't see any invocation of this helper on the patch, if
it's on earlier patches of the series it means you broke bisection...
