X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fudp%2Fudp_input.c;h=1e1c60b419fcefdc63b71725badcfb3d170e4d7e;hb=ba78e2380e86926c7e29bc3538eb7ac4e78699b1;hp=4b22cbef54d617b8f654489ca39dcf624ec6b7e8;hpb=59fea5a6a3fafe0a5a0d2f543db53af790013e3a;p=vpp.git

diff --git a/src/vnet/udp/udp_input.c b/src/vnet/udp/udp_input.c
index 4b22cbef54d..1e1c60b419f 100644
--- a/src/vnet/udp/udp_input.c
+++ b/src/vnet/udp/udp_input.c
@@ -208,6 +208,7 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
 	      child0->c_rmt_port = udp0->src_port;
 	      child0->c_is_ip4 = is_ip4;
 	      child0->c_fib_index = tc0->fib_index;
+	      child0->mss = uc0->mss;
 	      child0->flags |= UDP_CONN_F_CONNECTED;
 
 	      if (session_stream_accept (&child0->connection,
@@ -238,7 +239,14 @@ udp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
 	  error0 = UDP_ERROR_FIFO_FULL;
 	  goto trace0;
 	}
-      hdr0.data_length = b0->current_length = data_len;
+
+      hdr0.data_length = data_len;
+      if (PREDICT_TRUE (!(b0->flags & VLIB_BUFFER_NEXT_PRESENT)))
+	b0->current_length = data_len;
+      else
+	b0->total_length_not_including_first_buffer = data_len
+	  - b0->current_length;
+
       hdr0.data_offset = 0;
       ip_set (&hdr0.lcl_ip, lcl_addr, is_ip4);
       ip_set (&hdr0.rmt_ip, rmt_addr, is_ip4);