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         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