net: fib_notifier: make FIB notifier per-netns
Currently all users of FIB notifier only cares about events in init_net.
Later in this patchset, users get interested in other namespaces too.
However, for every registered block user is interested only about one
namespace. Make the FIB notifier registration per-netns and avoid
unnecessary calls of notifier block for other namespaces.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/fib_notifier.h b/include/net/fib_notifier.h
index c49d7bf..23353f6 100644
--- a/include/net/fib_notifier.h
+++ b/include/net/fib_notifier.h
@@ -8,7 +8,6 @@
struct module;
struct fib_notifier_info {
- struct net *net;
int family;
struct netlink_ext_ack *extack;
};
@@ -35,14 +34,14 @@ struct fib_notifier_ops {
struct rcu_head rcu;
};
-int call_fib_notifier(struct notifier_block *nb, struct net *net,
+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 notifier_block *nb,
+int register_fib_notifier(struct net *net, struct notifier_block *nb,
void (*cb)(struct notifier_block *nb));
-int unregister_fib_notifier(struct notifier_block *nb);
+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);