include/net/fib_notifier.h

   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