Add support for ip rules

1 files changed, 95 insertions, 0 deletions

diff --git a/iprule.h b/iprule.h
new file mode 100644
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