From: Shachar Beiser <shacharbe@mellanox.com>
Date: Tue, 16 Jan 2018 09:17:51 +0000 (+0200)
Subject: net: add IPv6 header fields macros
X-Git-Tag: spdx-start~76
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9b20c6e9028eb903ffc5e49cbf5c63e25a7c568f;p=dpdk.git

net: add IPv6 header fields macros

Support IPv6 header vtc_flow fields : tc , flow_label

Signed-off-by: Shachar Beiser <shacharbe@mellanox.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
---

diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index 9a62ff6670..f32684c661 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.
  *