Merge pull request #11784 from anlancs/fix/ospfd-cost-zebra-speed

[mirror_frr.git] / zebra / zebra_nhg_private.h

diff --git a/zebra/zebra_nhg_private.h b/zebra/zebra_nhg_private.h
index 170e2357e3a3791f6ef3f559605cefa5cf6dfa44..25048258d5b96090f9d84844d97e3a42c1c705ce 100644 (file)
--- a/zebra/zebra_nhg_private.h
+++ b/zebra/zebra_nhg_private.h
@@ -30,6 +30,10 @@
 
 #include "zebra/zebra_nhg.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Abstraction for connected trees */
 struct nhg_connected {
        struct nhg_connected_tree_item tree_item;
@@ -52,11 +56,26 @@ extern bool
 nhg_connected_tree_is_empty(const struct nhg_connected_tree_head *head);
 extern struct nhg_connected *
 nhg_connected_tree_root(struct nhg_connected_tree_head *head);
-extern void nhg_connected_tree_del_nhe(struct nhg_connected_tree_head *head,
-                                      struct nhg_hash_entry *nhe);
-extern void nhg_connected_tree_add_nhe(struct nhg_connected_tree_head *head,
-                                      struct nhg_hash_entry *nhe);
 
-extern void zebra_nhg_free(void *arg);
+/* I realize _add/_del returns are backwords.
+ *
+ * Currently the list APIs are not standardized for what happens in
+ * the _del() function when the item isn't present.
+ *
+ * We are choosing to return NULL if not found in the _del case for now.
+ */
+
+/* Delete NHE from the tree. On success, return the NHE, otherwise NULL. */
+extern struct nhg_hash_entry *
+nhg_connected_tree_del_nhe(struct nhg_connected_tree_head *head,
+                          struct nhg_hash_entry *nhe);
+/* ADD NHE to the tree. On success, return NULL, otherwise return the NHE. */
+extern struct nhg_hash_entry *
+nhg_connected_tree_add_nhe(struct nhg_connected_tree_head *head,
+                          struct nhg_hash_entry *nhe);
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* __ZEBRA_NHG_PRIVATE_H__ */