[dpdk-dev] [PATCH v2 1/2] lib/net: add IPv6 header fields macros
Ferruh Yigit
ferruh.yigit at intel.com
Wed Jan 17 17:53:25 CET 2018
On 1/16/2018 9:17 AM, Shahaf Shuler wrote:
> From: Shachar Beiser <shacharbe at mellanox.com>
>
> Support IPv6 header vtc_flow fields : tc , flow_label
>
> Signed-off-by: Shachar Beiser <shacharbe at 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.
> *
>
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