@@ -65,4 +65,28 @@ extern struct bpf_list_node *bpf_list_pop_front(struct bpf_list_head *head) __ks
*/
extern struct bpf_list_node *bpf_list_pop_back(struct bpf_list_head *head) __ksym;
+/* Description
+ * Remove 'node' from rbtree with root 'root'
+ * Returns
+ * Pointer to the removed node, or NULL if 'root' didn't contain 'node'
+ */
+extern struct bpf_rb_node *bpf_rbtree_remove(struct bpf_rb_root *root,
+ struct bpf_rb_node *node) __ksym;
+
+/* Description
+ * Add 'node' to rbtree with root 'root' using comparator 'less'
+ * Returns
+ * Nothing
+ */
+extern void bpf_rbtree_add(struct bpf_rb_root *root, struct bpf_rb_node *node,
+ bool (less)(struct bpf_rb_node *a, const struct bpf_rb_node *b)) __ksym;
+
+/* Description
+ * Return the first (leftmost) node in input tree
+ * Returns
+ * Pointer to the node, which is _not_ removed from the tree. If the tree
+ * contains no nodes, returns NULL.
+ */
+extern struct bpf_rb_node *bpf_rbtree_first(struct bpf_rb_root *root) __ksym;
+
#endif
These kfuncs will be used by selftests in following patches Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com> --- .../testing/selftests/bpf/bpf_experimental.h | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+)