X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Finterface_output.c;h=ba69d36b6c46ee61a3cf9c162372e70fbae0ecec;hb=ad9d528;hp=b09f7996e18b3ce2a93cb321f3e651fdef3ac8da;hpb=178cf493d009995b28fdf220f04c98860ff79a9b;p=vpp.git

diff --git a/src/vnet/interface_output.c b/src/vnet/interface_output.c
index b09f7996e18..ba69d36b6c4 100644
--- a/src/vnet/interface_output.c
+++ b/src/vnet/interface_output.c
@@ -181,7 +181,10 @@ calc_checksums (vlib_main_t * vm, vlib_buffer_t * b)
       if (b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM)
 	ip4->checksum = ip4_header_checksum (ip4);
       if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM)
-	th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4);
+	{
+	  th->checksum = 0;
+	  th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4);
+	}
       if (b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)
 	uh->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4);
     }
@@ -1080,6 +1083,7 @@ VNET_FEATURE_ARC_INIT (interface_output, static) =
 {
   .arc_name  = "interface-output",
   .start_nodes = VNET_FEATURES (0),
+  .last_in_arc = "interface-tx",
   .arc_index_ptr = &vnet_main.interface_main.output_feature_arc_index,
 };