ip: use IPv6 flowlabel in flow hash computation

[vpp.git] / src / vnet / ip / ip6_inlines.h

diff --git a/src/vnet/ip/ip6_inlines.h b/src/vnet/ip/ip6_inlines.h
index ae7b7a1..8376377 100644 (file)
--- a/src/vnet/ip/ip6_inlines.h
+++ b/src/vnet/ip/ip6_inlines.h
@@ -108,6 +108,8 @@ ip6_compute_flow_hash (const ip6_header_t * ip,
   b ^= (flow_hash_config & IP_FLOW_HASH_PROTO) ? protocol : 0;
   c = (flow_hash_config & IP_FLOW_HASH_REVERSE_SRC_DST) ?
     ((t1 << 16) | t2) : ((t2 << 16) | t1);
+  t1 = ip->ip_version_traffic_class_and_flow_label & IP6_PACKET_FL_MASK;
+  c ^= (flow_hash_config & IP_FLOW_HASH_FL) ? (t1 << 32) : 0;
 
   hash_mix64 (a, b, c);
   return (u32) c;