gso: add support for gso perf unittest

Type: test

Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: I5d44a6ea24e4aa0842024a0961f1fb22c6e6419a
diff --git a/src/vnet/gso/node.c b/src/vnet/gso/node.c
index 037f800..c48d8fe 100644
--- a/src/vnet/gso/node.c
+++ b/src/vnet/gso/node.c
@@ -468,6 +468,15 @@
   return n_tx_bytes;
 }
 
+__clib_unused u32
+gso_segment_buffer (vlib_main_t *vm, vnet_interface_per_thread_data_t *ptd,
+		    u32 bi, vlib_buffer_t *b, generic_header_offset_t *gho,
+		    u32 n_bytes_b, u8 is_l2, u8 is_ip6)
+{
+
+  return tso_segment_buffer (vm, ptd, bi, b, gho, n_bytes_b, is_l2, is_ip6);
+}
+
 static_always_inline void
 drop_one_buffer_and_count (vlib_main_t * vm, vnet_main_t * vnm,
 			   vlib_node_runtime_t * node, u32 * pbi0,