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-rw-r--r--src/vppinfra/rbtree.h22
1 files changed, 20 insertions, 2 deletions
diff --git a/src/vppinfra/rbtree.h b/src/vppinfra/rbtree.h
index 73180d1d54c..79437cdd719 100644
--- a/src/vppinfra/rbtree.h
+++ b/src/vppinfra/rbtree.h
@@ -36,7 +36,7 @@ typedef struct rb_node_
rb_node_index_t left; /**< left child index */
rb_node_index_t right; /**< right child index */
u32 key; /**< node key */
- u32 opaque; /**< value stored by node */
+ uword opaque; /**< value stored by node */
} rb_node_t;
typedef struct rb_tree_
@@ -47,7 +47,7 @@ typedef struct rb_tree_
void rb_tree_init (rb_tree_t * rt);
rb_node_index_t rb_tree_add (rb_tree_t * rt, u32 key);
-rb_node_index_t rb_tree_add2 (rb_tree_t * rt, u32 key, u32 opaque);
+rb_node_index_t rb_tree_add2 (rb_tree_t * rt, u32 key, uword opaque);
void rb_tree_del (rb_tree_t * rt, u32 key);
void rb_tree_free_nodes (rb_tree_t * rt);
u32 rb_tree_n_nodes (rb_tree_t * rt);
@@ -75,6 +75,24 @@ rb_node (rb_tree_t * rt, rb_node_index_t ri)
return pool_elt_at_index (rt->nodes, ri);
}
+static inline rb_node_t *
+rb_node_right (rb_tree_t * rt, rb_node_t * n)
+{
+ return pool_elt_at_index (rt->nodes, n->right);
+}
+
+static inline rb_node_t *
+rb_node_left (rb_tree_t * rt, rb_node_t * n)
+{
+ return pool_elt_at_index (rt->nodes, n->left);
+}
+
+static inline rb_node_t *
+rb_node_parent (rb_tree_t * rt, rb_node_t * n)
+{
+ return pool_elt_at_index (rt->nodes, n->parent);
+}
+
#endif /* SRC_VPPINFRA_RBTREE_H_ */
/*