geneve gtpu vxlan vxlan-gpe: VRF-aware bypass node

[vpp.git] / src / vnet / ip / ip4.h

diff --git a/src/vnet/ip/ip4.h b/src/vnet/ip/ip4.h
index bed552b..7a42510 100644 (file)
--- a/src/vnet/ip/ip4.h
+++ b/src/vnet/ip/ip4.h
@@ -410,6 +410,16 @@ vlib_buffer_push_ip4 (vlib_main_t * vm, vlib_buffer_t * b,
 
   return ih;
 }
+
+always_inline u32
+vlib_buffer_get_ip4_fib_index (vlib_buffer_t * b)
+{
+  u32 fib_index, sw_if_index;
+  sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
+  fib_index = vnet_buffer (b)->sw_if_index[VLIB_TX];
+  return (fib_index == (u32) ~ 0) ?
+    vec_elt (ip4_main.fib_index_by_sw_if_index, sw_if_index) : fib_index;
+}
 #endif /* included_ip_ip4_h */
 
 /*