Re: [dpdk-dev] [PATCH v2 1/2] lib/net: add IPv6 header fields macros

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 1/16/2018 9:17 AM, Shahaf Shuler wrote:
> From: Shachar Beiser <shacharbe@mellanox.com>
> 
> Support IPv6 header vtc_flow fields : tc , flow_label
> 
> Signed-off-by: Shachar Beiser <shacharbe@mellanox.com>
> ---
> Sending on behalf of Shachar.
> 
> On v2:
>  - Addressed Stephen comments on the coding style.

Hi Olivier,

Any objection to the patch?

Thanks,
ferruh

> 
> ---
>  lib/librte_net/rte_ip.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
> index 9a62ff667..f32684c66 100644
> --- a/lib/librte_net/rte_ip.h
> +++ b/lib/librte_net/rte_ip.h
> @@ -344,6 +344,12 @@ struct ipv6_hdr {
>  	uint8_t  dst_addr[16]; /**< IP address of destination host(s). */
>  } __attribute__((__packed__));
>  
> +/* IPv6 vtc_flow: IPv / TC / flow_label */
> +#define IPV6_HDR_FL_SHIFT 0
> +#define IPV6_HDR_TC_SHIFT 20
> +#define IPV6_HDR_FL_MASK ((1u << IPV6_HDR_TC_SHIFT) - 1)
> +#define IPV6_HDR_TC_MASK (0xf << IPV6_HDR_TC_SHIFT)
> +
>  /**
>   * Process the pseudo-header checksum of an IPv6 header.
>   *
>