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-rw-r--r--src/vnet/ip/ip6_inlines.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/vnet/ip/ip6_inlines.h b/src/vnet/ip/ip6_inlines.h
index ae7b7a1761b..8376377600a 100644
--- 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;