X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_types.h;h=805f8e1b9640ca97d341c22acf73c2ebd2cd8c92;hb=d0df49f2;hp=5742c69b7c7af45168b2ff251dbe328aa6d16dd3;hpb=79ae2d306269524b9de662dbbf532a04e11b7634;p=vpp.git

diff --git a/src/vnet/fib/fib_types.h b/src/vnet/fib/fib_types.h
index 5742c69b7c7..805f8e1b964 100644
--- a/src/vnet/fib/fib_types.h
+++ b/src/vnet/fib/fib_types.h
@@ -16,6 +16,7 @@
 #ifndef __FIB_TYPES_H__
 #define __FIB_TYPES_H__
 
+#include <stdbool.h>
 #include <vlib/vlib.h>
 #include <vnet/ip/ip6_packet.h>
 #include <vnet/mpls/packet.h>
@@ -71,6 +72,26 @@ typedef enum fib_protocol_t_ {
 	 _item <= FIB_PROTOCOL_IP6;        \
 	 _item++)
 
+/**
+ * @brief Convert from boolean is_ip6 to FIB protocol.
+ * Drop MPLS on the floor in favor of IPv4.
+ */
+static inline fib_protocol_t
+fib_ip_proto(bool is_ip6)
+{
+  return (is_ip6) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4;
+}
+
+/**
+ * @brief Convert from fib_protocol to ip46_type
+ */
+extern ip46_type_t fib_proto_to_ip46(fib_protocol_t fproto);
+
+/**
+ * @brief Convert from ip46_type to fib_protocol
+ */
+extern fib_protocol_t fib_proto_from_ip46(ip46_type_t iproto);
+
 /**
  * @brief Convert from a protocol to a link type
  */
@@ -152,10 +173,15 @@ typedef enum fib_forward_chain_type_t_ {
 	 _item++)
 
 /**
- * @brief Convert from a chain type to the adjacencies link type
+ * @brief Convert from a chain type to the adjacency's link type
  */
 extern vnet_link_t fib_forw_chain_type_to_link_type(fib_forward_chain_type_t fct);
 
+/**
+ * @brief Convert from a adjacency's link type to chain type
+ */
+extern fib_forward_chain_type_t fib_forw_chain_type_from_link_type(vnet_link_t lt);
+
 /**
  * @brief Convert from a payload-protocol to a chain type.
  */
@@ -344,6 +370,10 @@ typedef enum fib_route_path_flags_t_
      * A path that resolves via another table
      */
     FIB_ROUTE_PATH_DEAG = (1 << 13),
+    /**
+     * A path that resolves via a DVR DPO
+     */
+    FIB_ROUTE_PATH_DVR = (1 << 14),
 } fib_route_path_flags_t;
 
 /**
@@ -357,6 +387,64 @@ typedef u32 fib_rpf_id_t;
 
 #define MFIB_RPF_ID_NONE (0)
 
+/**
+ * MPLS LSP mode - only valid at the head and tail
+ */
+typedef enum fib_mpls_lsp_mode_t_
+{
+    /**
+     * Pipe Mode - the default.
+     *  TTL and DSCP markings are not carried between the layers
+     */
+    FIB_MPLS_LSP_MODE_PIPE,
+    /**
+     * Uniform mode.
+     *  TTL and DSCP are copied between the layers
+     */
+    FIB_MPLS_LSP_MODE_UNIFORM,
+} __attribute__((packed)) fib_mpls_lsp_mode_t;
+
+#define FIB_MPLS_LSP_MODES {			\
+    [FIB_MPLS_LSP_MODE_PIPE]     = "pipe",     	\
+    [FIB_MPLS_LSP_MODE_UNIFORM]  = "uniform",   \
+}
+
+/**
+ * Format an LSP mode type
+ */
+extern u8 * format_fib_mpls_lsp_mode(u8 *s, va_list *ap);
+
+/**
+ * Configuration for each label value in the output-stack
+ */
+typedef struct fib_mpls_label_t_
+{
+    /**
+     * The label value
+     */
+    mpls_label_t fml_value;
+
+    /**
+     * The LSP mode
+     */
+    fib_mpls_lsp_mode_t fml_mode;
+
+    /**
+     * TTL. valid only at imposition.
+     */
+    u8 fml_ttl;
+
+    /**
+     * EXP bits; valid only at imposition.
+     */
+    u8 fml_exp;
+} fib_mpls_label_t;
+
+/**
+ * Format an MPLS label
+ */
+extern u8 * format_fib_mpls_label(u8 *s, va_list *ap);
+
 /**
  * @brief 
  * A representation of a path as described by a route producer.
@@ -429,7 +517,7 @@ typedef struct fib_route_path_t_ {
             /**
              * The outgoing MPLS label Stack. NULL implies no label.
              */
-            mpls_label_t *frp_label_stack;
+            fib_mpls_label_t *frp_label_stack;
         };
         /**
          * A path that resolves via a BIER Table.