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 FIB_EVENT_VIF_ADD, 24 FIB_EVENT_VIF_DEL, 25 }; 26 27 struct fib_notifier_ops { 28 int family; 29 struct list_head list; 30 unsigned int (*fib_seq_read)(struct net *net); 31 int (*fib_dump)(struct net *net, struct notifier_block *nb); 32 struct module *owner; 33 struct rcu_head rcu; 34 }; 35 36 int call_fib_notifier(struct notifier_block *nb, struct net *net, 37 enum fib_event_type event_type, 38 struct fib_notifier_info *info); 39 int call_fib_notifiers(struct net *net, enum fib_event_type event_type, 40 struct fib_notifier_info *info); 41 int register_fib_notifier(struct notifier_block *nb, 42 void (*cb)(struct notifier_block *nb)); 43 int unregister_fib_notifier(struct notifier_block *nb); 44 struct fib_notifier_ops * 45 fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net); 46 void fib_notifier_ops_unregister(struct fib_notifier_ops *ops); 47 48 #endif 49