VXLAN multicast dst (remote) address support

[vpp.git] / vnet / vnet / fib / fib_node.h

diff --git a/vnet/vnet/fib/fib_node.h b/vnet/vnet/fib/fib_node.h
index 2f9a107..4aabc64 100644 (file)
--- a/vnet/vnet/fib/fib_node.h
+++ b/vnet/vnet/fib/fib_node.h
@@ -37,8 +37,8 @@ typedef enum fib_node_type_t_ {
     FIB_NODE_TYPE_MPLS_ENTRY,
     FIB_NODE_TYPE_LISP_GPE_FWD_ENTRY,
     FIB_NODE_TYPE_LISP_ADJ,
-    FIB_NODE_TYPE_MPLS_GRE_TUNNEL,
     FIB_NODE_TYPE_GRE_TUNNEL,
+    FIB_NODE_TYPE_VXLAN_TUNNEL,
     /**
      * Marker. New types before this one. leave the test last.
      */
@@ -57,8 +57,8 @@ typedef enum fib_node_type_t_ {
     [FIB_NODE_TYPE_ADJ] = "adj",                  \
     [FIB_NODE_TYPE_LISP_GPE_FWD_ENTRY] = "lisp-gpe-fwd-entry", \
     [FIB_NODE_TYPE_LISP_ADJ] = "lisp-adj", \
-    [FIB_NODE_TYPE_MPLS_GRE_TUNNEL] = "mpls-gre-tunnel", \
     [FIB_NODE_TYPE_GRE_TUNNEL] = "gre-tunnel", \
+    [FIB_NODE_TYPE_VXLAN_TUNNEL] = "vxlan-tunnel", \
 }
 
 /**
@@ -97,21 +97,31 @@ typedef enum fib_node_back_walk_reason_t_ {
      * a unipath adjacency changes
      */
     FIB_NODE_BW_REASON_ADJ_UPDATE,
+    /**
+     * Walk to update children to inform them the adjacency is now down.
+     */
+    FIB_NODE_BW_REASON_ADJ_DOWN,
     /**
      * Marker. Add new before and update
      */
-    FIB_NODE_BW_REASON_LAST = FIB_NODE_BW_REASON_EVALUATE,
+    FIB_NODE_BW_REASON_LAST = FIB_NODE_BW_REASON_ADJ_DOWN,
 } fib_node_back_walk_reason_t;
 
-#define FIB_NODE_BW_REASONS {                  \
-    [FIB_NODE_BW_REASON_RESOLVE] = "resolve"   \
-    [FIB_NODE_BW_REASON_EVALUATE] = "evaluate" \
-    [FIB_NODE_BW_REASON_INTERFACE_UP] = "if-up"        \
-    [FIB_NODE_BW_REASON_INTERFACE_DOWN] = "if-down"    \
-    [FIB_NODE_BW_REASON_INTERFACE_DELETE] = "if-delete"        \
-    [FIB_NODE_BW_REASON_ADJ_UPDATE] = "adj-update"     \
+#define FIB_NODE_BW_REASONS {                              \
+    [FIB_NODE_BW_REASON_RESOLVE] = "resolve",              \
+    [FIB_NODE_BW_REASON_EVALUATE] = "evaluate",             \
+    [FIB_NODE_BW_REASON_INTERFACE_UP] = "if-up",            \
+    [FIB_NODE_BW_REASON_INTERFACE_DOWN] = "if-down",        \
+    [FIB_NODE_BW_REASON_INTERFACE_DELETE] = "if-delete",    \
+    [FIB_NODE_BW_REASON_ADJ_UPDATE] = "adj-update",         \
+    [FIB_NODE_BW_REASON_ADJ_DOWN] = "adj-down",             \
 }
 
+#define FOR_EACH_FIB_NODE_BW_REASON(_item) \
+    for (_item = FIB_NODE_BW_REASON_FIRST; \
+        _item <= FIB_NODE_BW_REASON_LAST; \
+        _item++)
+
 /**
  * Flags enum constructed from the reaons
  */
@@ -123,10 +133,22 @@ typedef enum fib_node_bw_reason_flag_t_ {
     FIB_NODE_BW_REASON_FLAG_INTERFACE_DOWN = (1 << FIB_NODE_BW_REASON_INTERFACE_DOWN),
     FIB_NODE_BW_REASON_FLAG_INTERFACE_DELETE = (1 << FIB_NODE_BW_REASON_INTERFACE_DELETE),
     FIB_NODE_BW_REASON_FLAG_ADJ_UPDATE = (1 << FIB_NODE_BW_REASON_ADJ_UPDATE),
+    FIB_NODE_BW_REASON_FLAG_ADJ_DOWN = (1 << FIB_NODE_BW_REASON_ADJ_DOWN),
 } __attribute__ ((packed)) fib_node_bw_reason_flag_t;
 
-_Static_assert(sizeof(fib_node_bw_reason_flag_t) < 2,
-              "BW Reason enum < 2 byte. Consequences for cover_upd_res_t");
+STATIC_ASSERT(sizeof(fib_node_bw_reason_flag_t) < 2,
+             "BW Reason enum < 2 byte. Consequences for cover_upd_res_t");
+
+/**
+ * Flags on the walk
+ */
+typedef enum fib_node_bw_flags_t_
+{
+    /**
+     * Force the walk to be synchronous
+     */
+    FIB_NODE_BW_FLAG_FORCE_SYNC = (1 << 0),
+} fib_node_bw_flags_t;
 
 /**
  * Forward eclarations
@@ -165,6 +187,11 @@ typedef struct fib_node_back_walk_ctx_t_ {
      */
     fib_node_bw_reason_flag_t fnbw_reason;
 
+    /**
+     * additional flags for the walk
+     */
+    fib_node_bw_flags_t fnbw_flags;
+
     /**
      * the number of levels the walk has already traversed.
      * this value is maintained by the walk infra, tp limit the depth of
@@ -314,6 +341,8 @@ extern void fib_node_deinit(fib_node_t *node);
 extern void fib_node_lock(fib_node_t *node);
 extern void fib_node_unlock(fib_node_t *node);
 
+extern u32 fib_node_child_get_n_children(fib_node_type_t parent_type,
+                                         fib_node_index_t parent_index);
 extern u32 fib_node_child_add(fib_node_type_t parent_type,
                              fib_node_index_t parent_index,
                              fib_node_type_t child_type,