1 files changed, 97 insertions, 0 deletions
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
new file mode 100644
index 000000000000..8e2f473d3e82
--- /dev/null
+++ b/include/net/fib_rules.h
@@ -0,0 +1,97 @@
+#ifndef __NET_FIB_RULES_H
+#define __NET_FIB_RULES_H
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/fib_rules.h>
+#include <net/flow.h>
+#include <net/netlink.h>
+struct fib_rule
+{
+        struct list_head        list;
+        atomic_t                refcnt;
+        int                     ifindex;
+        char                    ifname[IFNAMSIZ];
+        u32                     pref;
+        u32                     flags;
+        u32                     table;
+        u8                      action;
+        struct rcu_head         rcu;
+};
+struct fib_lookup_arg
+{
+        void                    *lookup_ptr;
+        void                    *result;
+        struct fib_rule         *rule;
+};
+struct fib_rules_ops
+{
+        int                     family;
+        struct list_head        list;
+        int                     rule_size;
+        int                     (*action)(struct fib_rule *,
+                                          struct flowi *, int,
+                                          struct fib_lookup_arg *);
+        int                     (*match)(struct fib_rule *,
+                                         struct flowi *, int);
+        int                     (*configure)(struct fib_rule *,
+                                             struct sk_buff *,
+                                             struct nlmsghdr *,
+                                             struct fib_rule_hdr *,
+                                             struct nlattr **);
+        int                     (*compare)(struct fib_rule *,
+                                           struct fib_rule_hdr *,
+                                           struct nlattr **);
+        int                     (*fill)(struct fib_rule *, struct sk_buff *,
+                                        struct nlmsghdr *,
+                                        struct fib_rule_hdr *);
+        u32                     (*default_pref)(void);
+        int                     nlgroup;
+        struct nla_policy       *policy;
+        struct list_head        *rules_list;
+        struct module           *owner;
+};
+static inline void fib_rule_get(struct fib_rule *rule)
+{
+        atomic_inc(&rule->refcnt);
+}
+static inline void fib_rule_put_rcu(struct rcu_head *head)
+{
+        struct fib_rule *rule = container_of(head, struct fib_rule, rcu);
+        kfree(rule);
+}
+static inline void fib_rule_put(struct fib_rule *rule)
+{
+        if (atomic_dec_and_test(&rule->refcnt))
+                call_rcu(&rule->rcu, fib_rule_put_rcu);
+}
+static inline u32 frh_get_table(struct fib_rule_hdr *frh, struct nlattr **nla)
+{
+        if (nla[FRA_TABLE])
+                return nla_get_u32(nla[FRA_TABLE]);
+        return frh->table;
+}
+extern int                      fib_rules_register(struct fib_rules_ops *);
+extern int                      fib_rules_unregister(struct fib_rules_ops *);
+extern int                      fib_rules_lookup(struct fib_rules_ops *,
+                                                 struct flowi *, int flags,
+                                                 struct fib_lookup_arg *);
+extern int                      fib_nl_newrule(struct sk_buff *,
+                                               struct nlmsghdr *, void *);
+extern int                      fib_nl_delrule(struct sk_buff *,
+                                               struct nlmsghdr *, void *);
+extern int                      fib_rules_dump(struct sk_buff *,
+                                               struct netlink_callback *, int);
+#endif

diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h new file mode 100644 index 000000000000..8e2f473d3e82 --- /dev/null +++ b/include/net/fib_rules.h
@@ -0,0 +1,97 @@
	1	#ifndef __NET_FIB_RULES_H
	2	#define __NET_FIB_RULES_H
	3
	4	#include <linux/types.h>
	5	#include <linux/netdevice.h>
	6	#include <linux/fib_rules.h>
	7	#include <net/flow.h>
	8	#include <net/netlink.h>
	9
	10	struct fib_rule
	11	{
	12	struct list_head list;
	13	atomic_t refcnt;
	14	int ifindex;
	15	char ifname[IFNAMSIZ];
	16	u32 pref;
	17	u32 flags;
	18	u32 table;
	19	u8 action;
	20	struct rcu_head rcu;
	21	};
	22
	23	struct fib_lookup_arg
	24	{
	25	void *lookup_ptr;
	26	void *result;
	27	struct fib_rule *rule;
	28	};
	29
	30	struct fib_rules_ops
	31	{
	32	int family;
	33	struct list_head list;
	34	int rule_size;
	35
	36	int (action)(struct fib_rule ,
	37	struct flowi *, int,
	38	struct fib_lookup_arg *);
	39	int (match)(struct fib_rule ,
	40	struct flowi *, int);
	41	int (configure)(struct fib_rule ,
	42	struct sk_buff *,
	43	struct nlmsghdr *,
	44	struct fib_rule_hdr *,
	45	struct nlattr **);
	46	int (compare)(struct fib_rule ,
	47	struct fib_rule_hdr *,
	48	struct nlattr **);
	49	int (fill)(struct fib_rule , struct sk_buff *,
	50	struct nlmsghdr *,
	51	struct fib_rule_hdr *);
	52	u32 (*default_pref)(void);
	53
	54	int nlgroup;
	55	struct nla_policy *policy;
	56	struct list_head *rules_list;
	57	struct module *owner;
	58	};
	59
	60	static inline void fib_rule_get(struct fib_rule *rule)
	61	{
	62	atomic_inc(&rule->refcnt);
	63	}
	64
	65	static inline void fib_rule_put_rcu(struct rcu_head *head)
	66	{
	67	struct fib_rule *rule = container_of(head, struct fib_rule, rcu);
	68	kfree(rule);
	69	}
	70
	71	static inline void fib_rule_put(struct fib_rule *rule)
	72	{
	73	if (atomic_dec_and_test(&rule->refcnt))
	74	call_rcu(&rule->rcu, fib_rule_put_rcu);
	75	}
	76
	77	static inline u32 frh_get_table(struct fib_rule_hdr frh, struct nlattr *nla)
	78	{
	79	if (nla[FRA_TABLE])
	80	return nla_get_u32(nla[FRA_TABLE]);
	81	return frh->table;
	82	}
	83
	84	extern int fib_rules_register(struct fib_rules_ops *);
	85	extern int fib_rules_unregister(struct fib_rules_ops *);
	86
	87	extern int fib_rules_lookup(struct fib_rules_ops *,
	88	struct flowi *, int flags,
	89	struct fib_lookup_arg *);
	90
	91	extern int fib_nl_newrule(struct sk_buff *,
	92	struct nlmsghdr , void );
	93	extern int fib_nl_delrule(struct sk_buff *,
	94	struct nlmsghdr , void );
	95	extern int fib_rules_dump(struct sk_buff *,
	96	struct netlink_callback *, int);
	97	#endif