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