+always_inline u32 vlib_buffer_get_ip4_fib_index (vlib_buffer_t * b);
+always_inline u32 vlib_buffer_get_ip6_fib_index (vlib_buffer_t * b);
+always_inline u32
+vlib_buffer_get_ip_fib_index (vlib_buffer_t * b, u8 is_ip4)
+{
+ return (is_ip4 ? vlib_buffer_get_ip4_fib_index
+ : vlib_buffer_get_ip6_fib_index) (b);
+}
+