u8 proto,
u8 is_ip4);
u32 session_lookup_get_index_for_fib (u32 fib_proto, u32 fib_index);
+u32 session_lookup_get_or_alloc_index_for_fib (u32 fib_proto, u32 fib_index);
void session_lookup_show_table_entries (vlib_main_t * vm,
session_table_t * table, u8 type,