X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Fip6_packet.h;h=1be2ceae5a108b39db80214185a9a756df645e9b;hb=3d5f08a82;hp=34bc7a8ec1ad56b85ec10371c434f1877be284ce;hpb=041add7d12217494934b651e4e38b5eab5216ddc;p=vpp.git

diff --git a/src/vnet/ip/ip6_packet.h b/src/vnet/ip/ip6_packet.h
index 34bc7a8ec1a..1be2ceae5a1 100644
--- a/src/vnet/ip/ip6_packet.h
+++ b/src/vnet/ip/ip6_packet.h
@@ -313,6 +313,7 @@ typedef struct
 #define IP6_PACKET_TC_MASK 0x0FF00000
 #define IP6_PACKET_DSCP_MASK 0x0FC00000
 #define IP6_PACKET_ECN_MASK 0x00300000
+#define IP6_PACKET_FL_MASK   0x000FFFFF
 
 always_inline ip_dscp_t
 ip6_traffic_class (const ip6_header_t * i)
@@ -342,6 +343,13 @@ ip6_ecn_network_order (const ip6_header_t * ip6)
 	  & IP6_PACKET_ECN_MASK) >> 20;
 }
 
+static_always_inline u32
+ip6_flow_label_network_order (const ip6_header_t *ip6)
+{
+  return (clib_net_to_host_u32 (ip6->ip_version_traffic_class_and_flow_label) &
+	  IP6_PACKET_FL_MASK);
+}
+
 static_always_inline void
 ip6_set_traffic_class_network_order (ip6_header_t * ip6, ip_dscp_t dscp)
 {