FIB Inherited Srouce

[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 2f6e37f..273a5e6 100644 (file)
--- a/src/vnet/fib/fib_entry.h
+++ b/src/vnet/fib/fib_entry.h
@@ -42,6 +42,10 @@ typedef enum fib_source_t_ {
      * Classify. A route that links directly to a classify adj
      */
     FIB_SOURCE_CLASSIFY,
+    /**
+     * A route the is being 'proxied' on behalf of another device
+     */
+    FIB_SOURCE_PROXY,
     /**
      * Route added as a result of interface configuration.
      * this will also come from the API/CLI, but the distinction is
@@ -56,6 +60,10 @@ typedef enum fib_source_t_ {
      * A high priority source a plugin can use
      */
     FIB_SOURCE_PLUGIN_HI,
+    /**
+     * From the BIER subsystem
+     */
+    FIB_SOURCE_BIER,
     /**
      * From the control plane API
      */
@@ -136,6 +144,8 @@ STATIC_ASSERT (sizeof(fib_source_t) == 1,
 #define FIB_SOURCES {                                  \
     [FIB_SOURCE_SPECIAL] = "special",                  \
     [FIB_SOURCE_INTERFACE] = "interface",              \
+    [FIB_SOURCE_PROXY] = "proxy",                       \
+    [FIB_SOURCE_BIER] = "BIER",                                \
     [FIB_SOURCE_API] = "API",                          \
     [FIB_SOURCE_CLI] = "CLI",                          \
     [FIB_SOURCE_ADJ] = "adjacency",                    \
@@ -202,10 +212,15 @@ typedef enum fib_entry_attribute_t_ {
      * To be used with caution
      */
     FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT,
+    /**
+     * This FIB entry imposes its source information on all prefixes
+     * that is covers
+     */
+    FIB_ENTRY_ATTRIBUTE_COVERED_INHERIT,
     /**
      * Marker. add new entries before this one.
      */
-    FIB_ENTRY_ATTRIBUTE_LAST = FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT,
+    FIB_ENTRY_ATTRIBUTE_LAST = FIB_ENTRY_ATTRIBUTE_COVERED_INHERIT,
 } fib_entry_attribute_t;
 
 #define FIB_ENTRY_ATTRIBUTES {                         \
@@ -217,6 +232,7 @@ typedef enum fib_entry_attribute_t_ {
     [FIB_ENTRY_ATTRIBUTE_LOCAL]     = "local",         \
     [FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT] = "uRPF-exempt",  \
     [FIB_ENTRY_ATTRIBUTE_MULTICAST] = "multicast",     \
+    [FIB_ENTRY_ATTRIBUTE_COVERED_INHERIT] = "covered-inherit",  \
 }
 
 #define FOR_EACH_FIB_ATTRIBUTE(_item)                  \
@@ -234,6 +250,7 @@ typedef enum fib_entry_flag_t_ {
     FIB_ENTRY_FLAG_IMPORT    = (1 << FIB_ENTRY_ATTRIBUTE_IMPORT),
     FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT = (1 << FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT),
     FIB_ENTRY_FLAG_MULTICAST = (1 << FIB_ENTRY_ATTRIBUTE_MULTICAST),
+    FIB_ENTRY_FLAG_COVERED_INHERIT = (1 << FIB_ENTRY_ATTRIBUTE_COVERED_INHERIT),
 } __attribute__((packed)) fib_entry_flag_t;
 
 /**
@@ -252,10 +269,14 @@ typedef enum fib_entry_src_attribute_t_ {
      * the source is active/best
      */
     FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE,
+    /**
+     * the source is inherited from its cover
+     */
+    FIB_ENTRY_SRC_ATTRIBUTE_INHERITED,
     /**
      * Marker. add new entries before this one.
      */
-    FIB_ENTRY_SRC_ATTRIBUTE_LAST = FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE,
+    FIB_ENTRY_SRC_ATTRIBUTE_LAST = FIB_ENTRY_SRC_ATTRIBUTE_INHERITED,
 } fib_entry_src_attribute_t;
 
 #define FIB_ENTRY_SRC_ATTRIBUTE_MAX (FIB_ENTRY_SRC_ATTRIBUTE_LAST+1)
@@ -263,12 +284,19 @@ typedef enum fib_entry_src_attribute_t_ {
 #define FIB_ENTRY_SRC_ATTRIBUTES {              \
     [FIB_ENTRY_SRC_ATTRIBUTE_ADDED]  = "added",         \
     [FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE] = "active", \
+    [FIB_ENTRY_SRC_ATTRIBUTE_INHERITED] = "inherited", \
 }
 
+#define FOR_EACH_FIB_SRC_ATTRIBUTE(_item)                      \
+    for (_item = FIB_ENTRY_SRC_ATTRIBUTE_FIRST;                \
+        _item < FIB_ENTRY_SRC_ATTRIBUTE_MAX;           \
+        _item++)
+
 typedef enum fib_entry_src_flag_t_ {
     FIB_ENTRY_SRC_FLAG_NONE   = 0,
     FIB_ENTRY_SRC_FLAG_ADDED  = (1 << FIB_ENTRY_SRC_ATTRIBUTE_ADDED),
     FIB_ENTRY_SRC_FLAG_ACTIVE = (1 << FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE),
+    FIB_ENTRY_SRC_FLAG_INHERITED = (1 << FIB_ENTRY_SRC_ATTRIBUTE_INHERITED),
 } __attribute__ ((packed)) fib_entry_src_flag_t;
 
 /*
@@ -467,6 +495,10 @@ 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);
+
+extern void fib_entry_inherit(fib_node_index_t cover,
+                              fib_node_index_t covered);
+
 extern fib_entry_src_flag_t fib_entry_delete(fib_node_index_t fib_entry_index,
                                             fib_source_t source);