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