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 module; 9 10 struct fib_notifier_info { 11 struct net *net; 12 int family; 13 struct netlink_ext_ack *extack; 14 }; 15 16 enum fib_event_type { 17 FIB_EVENT_ENTRY_REPLACE, 18 FIB_EVENT_ENTRY_APPEND, 19 FIB_EVENT_ENTRY_ADD, 20 FIB_EVENT_ENTRY_DEL, 21 FIB_EVENT_RULE_ADD, 22 FIB_EVENT_RULE_DEL, 23 FIB_EVENT_NH_ADD, 24 FIB_EVENT_NH_DEL, 25 FIB_EVENT_VIF_ADD, 26 FIB_EVENT_VIF_DEL, 27 }; 28 29 struct fib_notifier_ops { 30 int family; 31 struct list_head list; 32 unsigned int (*fib_seq_read)(struct net *net); 33 int (*fib_dump)(struct net *net, struct notifier_block *nb); 34 struct module *owner; 35 struct rcu_head rcu; 36 }; 37 38 int call_fib_notifier(struct notifier_block *nb, struct net *net, 39 enum fib_event_type event_type, 40 struct fib_notifier_info *info); 41 int call_fib_notifiers(struct net *net, enum fib_event_type event_type, 42 struct fib_notifier_info *info); 43 int register_fib_notifier(struct notifier_block *nb, 44 void (*cb)(struct notifier_block *nb)); 45 int unregister_fib_notifier(struct notifier_block *nb); 46 struct fib_notifier_ops * 47 fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net); 48 void fib_notifier_ops_unregister(struct fib_notifier_ops *ops); 49 50 #endif 51