1 #ifndef __NET_FIB_RULES_H
2 #define __NET_FIB_RULES_H
4 #include <linux/types.h>
5 #include <linux/netdevice.h>
6 #include <linux/fib_rules.h>
8 #include <net/netlink.h>
12 struct list_head list;
15 char ifname[IFNAMSIZ];
29 struct fib_rule *rule;
35 struct list_head list;
38 int (*action)(struct fib_rule *,
40 struct fib_lookup_arg *);
41 int (*match)(struct fib_rule *,
43 int (*configure)(struct fib_rule *,
46 struct fib_rule_hdr *,
48 int (*compare)(struct fib_rule *,
49 struct fib_rule_hdr *,
51 int (*fill)(struct fib_rule *, struct sk_buff *,
53 struct fib_rule_hdr *);
54 u32 (*default_pref)(void);
57 struct nla_policy *policy;
58 struct list_head *rules_list;
62 static inline void fib_rule_get(struct fib_rule *rule)
64 atomic_inc(&rule->refcnt);
67 static inline void fib_rule_put_rcu(struct rcu_head *head)
69 struct fib_rule *rule = container_of(head, struct fib_rule, rcu);
73 static inline void fib_rule_put(struct fib_rule *rule)
75 if (atomic_dec_and_test(&rule->refcnt))
76 call_rcu(&rule->rcu, fib_rule_put_rcu);
79 static inline u32 frh_get_table(struct fib_rule_hdr *frh, struct nlattr **nla)
82 return nla_get_u32(nla[FRA_TABLE]);
86 extern int fib_rules_register(struct fib_rules_ops *);
87 extern int fib_rules_unregister(struct fib_rules_ops *);
89 extern int fib_rules_lookup(struct fib_rules_ops *,
90 struct flowi *, int flags,
91 struct fib_lookup_arg *);
93 extern int fib_nl_newrule(struct sk_buff *,
94 struct nlmsghdr *, void *);
95 extern int fib_nl_delrule(struct sk_buff *,
96 struct nlmsghdr *, void *);
97 extern int fib_rules_dump(struct sk_buff *,
98 struct netlink_callback *, int);