fib: Table Replace

[vpp.git] / src / vnet / fib / fib_entry.h

diff --git a/src/vnet/fib/fib_entry.h b/src/vnet/fib/fib_entry.h
index dcc310e..f0e6e8d 100644 (file)
--- a/src/vnet/fib/fib_entry.h
+++ b/src/vnet/fib/fib_entry.h
@@ -17,17 +17,22 @@
 #define __FIB_ENTRY_H__
 
 #include <vnet/fib/fib_node.h>
-#include <vnet/fib/fib_entry_delegate.h>
 #include <vnet/adj/adj.h>
 #include <vnet/ip/ip.h>
 #include <vnet/dpo/dpo.h>
 
 /**
  * The different sources that can create a route.
- * The sources are defined here the thier relative priority order.
+ * The sources are defined here with their relative priority order.
  * The lower the value the higher the priority
  */
 typedef enum fib_source_t_ {
+    /**
+     * An invalid source
+     * This is not a real source, so don't use it to source a prefix.
+     * It exists here to provide a value for inexistant/uninitialized source
+     */
+    FIB_SOURCE_INVALID = 0,
     /**
      * Marker. Add new values after this one.
      */
@@ -64,6 +69,10 @@ typedef enum fib_source_t_ {
      * From the BIER subsystem
      */
     FIB_SOURCE_BIER,
+    /**
+     * From 6RD.
+     */
+    FIB_SOURCE_6RD,
     /**
      * From the control plane API
      */
@@ -153,10 +162,12 @@ STATIC_ASSERT (sizeof(fib_source_t) == 1,
 #define FIB_SOURCE_MAX (FIB_SOURCE_LAST+1)
 
 #define FIB_SOURCES {                                  \
+    [FIB_SOURCE_INVALID] = "invalid",                  \
     [FIB_SOURCE_SPECIAL] = "special",                  \
     [FIB_SOURCE_INTERFACE] = "interface",              \
     [FIB_SOURCE_PROXY] = "proxy",                       \
     [FIB_SOURCE_BIER] = "BIER",                                \
+    [FIB_SOURCE_6RD] = "6RD",                          \
     [FIB_SOURCE_API] = "API",                          \
     [FIB_SOURCE_CLI] = "CLI",                          \
     [FIB_SOURCE_ADJ] = "adjacency",                    \
@@ -182,7 +193,7 @@ STATIC_ASSERT (sizeof(fib_source_t) == 1,
 
 /**
  * The different sources that can create a route.
- * The sources are defined here the thier relative priority order.
+ * The sources are defined here with their relative priority order.
  * The lower the value the higher the priority
  */
 typedef enum fib_entry_attribute_t_ {
@@ -281,6 +292,8 @@ typedef enum fib_entry_flag_t_ {
     FIB_ENTRY_FLAG_INTERPOSE = (1 << FIB_ENTRY_ATTRIBUTE_INTERPOSE),
 } __attribute__((packed)) fib_entry_flag_t;
 
+extern u8 * format_fib_entry_flags(u8 *s, va_list *args);
+
 /**
  * Flags for the source data
  */
@@ -301,6 +314,10 @@ typedef enum fib_entry_src_attribute_t_ {
      * the source is active/best
      */
     FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE,
+    /**
+     * the source is stale
+     */
+    FIB_ENTRY_SRC_ATTRIBUTE_STALE,
     /**
      * the source is inherited from its cover
      */
@@ -316,6 +333,7 @@ typedef enum fib_entry_src_attribute_t_ {
     [FIB_ENTRY_SRC_ATTRIBUTE_ADDED]  = "added",         \
     [FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING] = "contributing", \
     [FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE] = "active", \
+    [FIB_ENTRY_SRC_ATTRIBUTE_STALE] = "stale",      \
     [FIB_ENTRY_SRC_ATTRIBUTE_INHERITED] = "inherited", \
 }
 
@@ -329,9 +347,12 @@ typedef enum fib_entry_src_flag_t_ {
     FIB_ENTRY_SRC_FLAG_ADDED  = (1 << FIB_ENTRY_SRC_ATTRIBUTE_ADDED),
     FIB_ENTRY_SRC_FLAG_CONTRIBUTING = (1 << FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING),
     FIB_ENTRY_SRC_FLAG_ACTIVE = (1 << FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE),
+    FIB_ENTRY_SRC_FLAG_STALE = (1 << FIB_ENTRY_SRC_ATTRIBUTE_STALE),
     FIB_ENTRY_SRC_FLAG_INHERITED = (1 << FIB_ENTRY_SRC_ATTRIBUTE_INHERITED),
 } __attribute__ ((packed)) fib_entry_src_flag_t;
 
+extern u8 * format_fib_entry_src_flags(u8 *s, va_list *args);
+
 /*
  * Keep the size of the flags field to 2 bytes, so it
  * can be placed next to the 2 bytes reference count
@@ -496,9 +517,9 @@ typedef struct fib_entry_t_ {
     u32 fe_sibling;
 
     /**
-     * A vector of delegates.
+     * A vector of delegate indices.
      */
-    fib_entry_delegate_t *fe_delegates;
+    index_t *fe_delegates;
 } fib_entry_t;
 
 #define FOR_EACH_FIB_ENTRY_FLAG(_item) \
@@ -530,7 +551,7 @@ extern void fib_entry_update (fib_node_index_t fib_entry_index,
 extern void fib_entry_path_add(fib_node_index_t fib_entry_index,
                               fib_source_t source,
                               fib_entry_flag_t flags,
-                              const fib_route_path_t *rpath);
+                              const fib_route_path_t *rpaths);
 extern void fib_entry_special_add(fib_node_index_t fib_entry_index,
                                  fib_source_t source,
                                  fib_entry_flag_t flags,
@@ -544,7 +565,7 @@ extern fib_entry_src_flag_t fib_entry_special_remove(fib_node_index_t fib_entry_
 
 extern fib_entry_src_flag_t fib_entry_path_remove(fib_node_index_t fib_entry_index,
                                                  fib_source_t source,
-                                                 const fib_route_path_t *rpath);
+                                                 const fib_route_path_t *rpaths);
 
 extern void fib_entry_inherit(fib_node_index_t cover,
                               fib_node_index_t covered);
@@ -592,10 +613,8 @@ extern u32 fib_entry_get_resolving_interface_for_source(
     fib_node_index_t fib_entry_index,
     fib_source_t source);
 
-extern void fib_entry_encode(fib_node_index_t fib_entry_index,
-                            fib_route_path_encode_t **api_rpaths);
-extern void fib_entry_get_prefix(fib_node_index_t fib_entry_index,
-                                fib_prefix_t *pfx);
+extern fib_route_path_t* fib_entry_encode(fib_node_index_t fib_entry_index);
+extern const fib_prefix_t* fib_entry_get_prefix(fib_node_index_t fib_entry_index);
 extern u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index);
 extern void fib_entry_set_source_data(fib_node_index_t fib_entry_index,
                                       fib_source_t source,
@@ -614,11 +633,15 @@ extern int fib_entry_is_sourced(fib_node_index_t fib_entry_index,
 extern fib_node_index_t fib_entry_get_path_list(fib_node_index_t fib_entry_index);
 extern int fib_entry_is_resolved(fib_node_index_t fib_entry_index);
 extern int fib_entry_is_host(fib_node_index_t fib_entry_index);
+extern int fib_entry_is_marked(fib_node_index_t fib_entry_index, fib_source_t source);
+extern void fib_entry_mark(fib_node_index_t fib_entry_index, fib_source_t source);
 extern void fib_entry_set_flow_hash_config(fib_node_index_t fib_entry_index,
                                            flow_hash_config_t hash_config);
 
 extern void fib_entry_module_init(void);
 
+extern u32 fib_entry_get_stats_index(fib_node_index_t fib_entry_index);
+
 /*
  * unsafe... beware the raw pointer.
  */