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 47