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linux/include/net/fib_notifier.h
Jiri Pirko b7a595577e net: fib_notifier: propagate extack down to the notifier block callback
Since errors are propagated all the way up to the caller, propagate
possible extack of the caller all the way down to the notifier block
callback.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04 11:10:56 -07:00

52 lines
1.4 KiB
C

#ifndef __NET_FIB_NOTIFIER_H
#define __NET_FIB_NOTIFIER_H
#include <linux/types.h>
#include <linux/notifier.h>
#include <net/net_namespace.h>
struct module;
struct fib_notifier_info {
int family;
struct netlink_ext_ack *extack;
};
enum fib_event_type {
FIB_EVENT_ENTRY_REPLACE,
FIB_EVENT_ENTRY_APPEND,
FIB_EVENT_ENTRY_ADD,
FIB_EVENT_ENTRY_DEL,
FIB_EVENT_RULE_ADD,
FIB_EVENT_RULE_DEL,
FIB_EVENT_NH_ADD,
FIB_EVENT_NH_DEL,
FIB_EVENT_VIF_ADD,
FIB_EVENT_VIF_DEL,
};
struct fib_notifier_ops {
int family;
struct list_head list;
unsigned int (*fib_seq_read)(struct net *net);
int (*fib_dump)(struct net *net, struct notifier_block *nb,
struct netlink_ext_ack *extack);
struct module *owner;
struct rcu_head rcu;
};
int call_fib_notifier(struct notifier_block *nb,
enum fib_event_type event_type,
struct fib_notifier_info *info);
int call_fib_notifiers(struct net *net, enum fib_event_type event_type,
struct fib_notifier_info *info);
int register_fib_notifier(struct net *net, struct notifier_block *nb,
void (*cb)(struct notifier_block *nb),
struct netlink_ext_ack *extack);
int unregister_fib_notifier(struct net *net, struct notifier_block *nb);
struct fib_notifier_ops *
fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net);
void fib_notifier_ops_unregister(struct fib_notifier_ops *ops);
#endif