| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame] | 1 | #ifndef __NET_FIB_NOTIFIER_H |
| 2 | #define __NET_FIB_NOTIFIER_H |
| 3 | |
| 4 | #include <linux/types.h> |
| 5 | #include <linux/module.h> |
| 6 | #include <linux/notifier.h> |
| 7 | #include <net/net_namespace.h> |
| 8 | |
| 9 | struct fib_notifier_info { |
| 10 | struct net *net; |
| 11 | int family; |
| 12 | }; |
| 13 | |
| 14 | enum fib_event_type { |
| 15 | FIB_EVENT_ENTRY_REPLACE, |
| 16 | FIB_EVENT_ENTRY_APPEND, |
| 17 | FIB_EVENT_ENTRY_ADD, |
| 18 | FIB_EVENT_ENTRY_DEL, |
| 19 | FIB_EVENT_RULE_ADD, |
| 20 | FIB_EVENT_RULE_DEL, |
| 21 | FIB_EVENT_NH_ADD, |
| 22 | FIB_EVENT_NH_DEL, |
| 23 | }; |
| 24 | |
| 25 | struct fib_notifier_ops { |
| 26 | int family; |
| 27 | struct list_head list; |
| 28 | unsigned int (*fib_seq_read)(struct net *net); |
| 29 | int (*fib_dump)(struct net *net, struct notifier_block *nb); |
| 30 | struct module *owner; |
| 31 | struct rcu_head rcu; |
| 32 | }; |
| 33 | |
| 34 | int call_fib_notifier(struct notifier_block *nb, struct net *net, |
| 35 | enum fib_event_type event_type, |
| 36 | struct fib_notifier_info *info); |
| 37 | int call_fib_notifiers(struct net *net, enum fib_event_type event_type, |
| 38 | struct fib_notifier_info *info); |
| 39 | int register_fib_notifier(struct notifier_block *nb, |
| 40 | void (*cb)(struct notifier_block *nb)); |
| 41 | int unregister_fib_notifier(struct notifier_block *nb); |
| 42 | struct fib_notifier_ops * |
| 43 | fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net); |
| 44 | void fib_notifier_ops_unregister(struct fib_notifier_ops *ops); |
| 45 | |
| 46 | #endif |