0001 #ifndef __NET_FIB_NOTIFIER_H
0002 #define __NET_FIB_NOTIFIER_H
0003
0004 #include <linux/types.h>
0005 #include <linux/notifier.h>
0006 #include <net/net_namespace.h>
0007
0008 struct module;
0009
0010 struct fib_notifier_info {
0011 int family;
0012 struct netlink_ext_ack *extack;
0013 };
0014
0015 enum fib_event_type {
0016 FIB_EVENT_ENTRY_REPLACE,
0017 FIB_EVENT_ENTRY_APPEND,
0018 FIB_EVENT_ENTRY_ADD,
0019 FIB_EVENT_ENTRY_DEL,
0020 FIB_EVENT_RULE_ADD,
0021 FIB_EVENT_RULE_DEL,
0022 FIB_EVENT_NH_ADD,
0023 FIB_EVENT_NH_DEL,
0024 FIB_EVENT_VIF_ADD,
0025 FIB_EVENT_VIF_DEL,
0026 };
0027
0028 struct fib_notifier_ops {
0029 int family;
0030 struct list_head list;
0031 unsigned int (*fib_seq_read)(struct net *net);
0032 int (*fib_dump)(struct net *net, struct notifier_block *nb,
0033 struct netlink_ext_ack *extack);
0034 struct module *owner;
0035 struct rcu_head rcu;
0036 };
0037
0038 int call_fib_notifier(struct notifier_block *nb,
0039 enum fib_event_type event_type,
0040 struct fib_notifier_info *info);
0041 int call_fib_notifiers(struct net *net, enum fib_event_type event_type,
0042 struct fib_notifier_info *info);
0043 int register_fib_notifier(struct net *net, struct notifier_block *nb,
0044 void (*cb)(struct notifier_block *nb),
0045 struct netlink_ext_ack *extack);
0046 int unregister_fib_notifier(struct net *net, struct notifier_block *nb);
0047 struct fib_notifier_ops *
0048 fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net);
0049 void fib_notifier_ops_unregister(struct fib_notifier_ops *ops);
0050
0051 #endif
