X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fbfd%2Fbfd_udp.h;h=87868104f98955ec8be010c61539814577c28ae8;hb=12989b538881f9681f078cf1485c51df1251877a;hp=5080ec98f75e2e0e31b408dd7c7aae5dea9fde2b;hpb=b16bfe3f94739821c7382bd0849630b21e03a8b7;p=vpp.git

diff --git a/src/vnet/bfd/bfd_udp.h b/src/vnet/bfd/bfd_udp.h
index 5080ec98f75..87868104f98 100644
--- a/src/vnet/bfd/bfd_udp.h
+++ b/src/vnet/bfd/bfd_udp.h
@@ -27,8 +27,12 @@
 /* *INDENT-OFF* */
 /** identifier of BFD session based on UDP transport only */
 typedef CLIB_PACKED (struct {
-  /** interface to which the session is tied */
-  u32 sw_if_index;
+  union {
+    /** interface to which the session is tied - single-hop */
+    u32 sw_if_index;
+    /** the FIB index the peer is in - multi-hop*/
+    u32 fib_index;
+  };
   /** local address */
   ip46_address_t local_addr;
   /** peer address */
@@ -57,11 +61,12 @@ struct bfd_session_s;
 /**
  * @brief add the necessary transport layer by prepending it to existing data
  *
+ *
  * @param is_echo 1 if this is echo packet, 0 if control frame
  *
  * @return 1 on success, 0 on failure
  */
-int bfd_add_udp4_transport (vlib_main_t * vm, vlib_buffer_t * b,
+int bfd_add_udp4_transport (vlib_main_t * vm, u32 bi,
 			    const struct bfd_session_s *bs, int is_echo);
 
 /**
@@ -71,9 +76,29 @@ int bfd_add_udp4_transport (vlib_main_t * vm, vlib_buffer_t * b,
  *
  * @return 1 on success, 0 on failure
  */
-int bfd_add_udp6_transport (vlib_main_t * vm, vlib_buffer_t * b,
+int bfd_add_udp6_transport (vlib_main_t * vm, u32 bi,
 			    const struct bfd_session_s *bs, int is_echo);
 
+/**
+ * @brief transport packet over udpv4
+ *
+ * @param is_echo 1 if this is echo packet, 0 if control frame
+ *
+ * @return 1 on success, 0 on failure
+ */
+int bfd_transport_udp4 (vlib_main_t * vm, u32 bi,
+			const struct bfd_session_s *bs);
+
+/**
+ * @brief transport packet over udpv6
+ *
+ * @param is_echo 1 if this is echo packet, 0 if control frame
+ *
+ * @return 1 on success, 0 on failure
+ */
+int bfd_transport_udp6 (vlib_main_t * vm, u32 bi,
+			const struct bfd_session_s *bs);
+
 /**
  * @brief check if the bfd udp layer is echo-capable at this time
  *