vxlan: reuse inner packet flow hash for tunnel outer header load balance

[vpp.git] / src / vnet / vxlan-gbp / encap.c

diff --git a/src/vnet/vxlan-gbp/encap.c b/src/vnet/vxlan-gbp/encap.c
index 4bba49a..a606b89 100644 (file)
--- a/src/vnet/vxlan-gbp/encap.c
+++ b/src/vnet/vxlan-gbp/encap.c
@@ -309,6 +309,10 @@ vxlan_gbp_encap_inline (vlib_main_t * vm,
                udp1->checksum = 0xffff;
            }
 
+         /* save inner packet flow_hash for load-balance node */
+         vnet_buffer (b[0])->ip.flow_hash = flow_hash0;
+         vnet_buffer (b[1])->ip.flow_hash = flow_hash1;
+
          vlib_increment_combined_counter (tx_counter, thread_index,
                                           sw_if_index0, 1, len0);
          vlib_increment_combined_counter (tx_counter, thread_index,
@@ -451,6 +455,9 @@ vxlan_gbp_encap_inline (vlib_main_t * vm,
                udp0->checksum = 0xffff;
            }
 
+         /* save inner packet flow_hash for load-balance node */
+         vnet_buffer (b[0])->ip.flow_hash = flow_hash0;
+
          vlib_increment_combined_counter (tx_counter, thread_index,
                                           sw_if_index0, 1, len0);
          pkts_encapsulated++;