diff --git a/include/proto/lb_chash.h b/include/proto/lb_chash.h
new file mode 100644
index 0000000..a0ebf69
--- /dev/null
+++ b/include/proto/lb_chash.h
@@ -0,0 +1,40 @@
+/*
+ * include/proto/lb_chash.h
+ * Function declarations for Consistent Hash LB algorithm.
+ *
+ * Copyright (C) 2000-2009 Willy Tarreau - w@1wt.eu
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _PROTO_LB_CHASH_H
+#define _PROTO_LB_CHASH_H
+
+#include <common/config.h>
+#include <types/proxy.h>
+#include <types/server.h>
+
+void chash_init_server_tree(struct proxy *p);
+struct server *chash_get_next_server(struct proxy *p, struct server *srvtoavoid);
+struct server *chash_get_server_hash(struct proxy *p, unsigned int hash);
+
+#endif /* _PROTO_LB_CHASH_H */
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ */