Add support for ip rules

[project/netifd.git] / iprule.h

diff --git a/iprule.h b/iprule.h
new file mode 100644 (file)
index 0000000..75c6a2b
--- /dev/null
+++ b/iprule.h
@@ -0,0 +1,95 @@
+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program 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 General Public License for more details.
+ */
+#ifndef __IPRULE_H
+#define __IPRULE_H
+
+#include "interface-ip.h"
+
+enum iprule_flags {
+       /* address family for rule */
+       IPRULE_INET4            = (0 << 0),
+       IPRULE_INET6            = (1 << 0),
+       IPRULE_FAMILY           = IPRULE_INET4 | IPRULE_INET6,
+
+       /* rule specifies input device */
+       IPRULE_IN                       = (1 << 2),
+
+       /* rule specifies output device */
+       IPRULE_OUT                      = (1 << 3),
+
+       /* rule specifies src */
+       IPRULE_SRC                      = (1 << 4),
+
+       /* rule specifies dest */
+       IPRULE_DEST                     = (1 << 5),
+
+       /* rule specifies priority */
+       IPRULE_PRIORITY         = (1 << 6),
+
+       /* rule specifies diffserv/tos */
+       IPRULE_TOS                      = (1 << 7),
+
+       /* rule specifies fwmark */
+       IPRULE_FWMARK           = (1 << 8),
+
+       /* rule specifies fwmask */
+       IPRULE_FWMASK           = (1 << 9),
+
+       /* rule performs table lookup */
+       IPRULE_LOOKUP           = (1 << 10),
+
+       /* rule performs routing action */
+       IPRULE_ACTION           = (1 << 11),
+
+       /* rule is a goto */
+       IPRULE_GOTO                     = (1 << 12),
+};
+
+struct iprule {
+       struct vlist_node node;
+
+       /* everything below is used as avl tree key */
+       enum iprule_flags flags;
+
+       bool invert;
+
+       char in_dev[IFNAMSIZ + 1];
+       char out_dev[IFNAMSIZ + 1];
+
+       unsigned int src_mask;
+       union if_addr src_addr;
+
+       unsigned int dest_mask;
+       union if_addr dest_addr;
+
+       unsigned int priority;
+       unsigned int tos;
+
+       unsigned int fwmark;
+       unsigned int fwmask;
+
+       unsigned int lookup;
+       unsigned int action;
+       unsigned int gotoid;
+};
+
+extern struct vlist_tree iprules;
+extern const struct config_param_list rule_attr_list;
+
+void iprule_add(struct blob_attr *attr, bool v6);
+void iprule_update_start(void);
+void iprule_update_complete(void);
+
+#endif