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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-24 01:52:47 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-24 01:52:47 -0400 |
| commit | 23930fa1cebfea6f79881c588ccd1b0781e49e3f (patch) | |
| tree | 36d29e3f83661c4f5f45b6f74ac0d5f9886867a8 /include/net/fib_rules.h | |
| parent | 36b35a5be0e4b406acd816e2122d153e875105be (diff) | |
| parent | 4f5537de7c1531398e84e18a24f667e49cc94208 (diff) | |
Merge branch 'master' into upstream
Diffstat (limited to 'include/net/fib_rules.h')
| -rw-r--r-- | include/net/fib_rules.h | 97 |
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 @@ | |||
| 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 | ||