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authorIngo Molnar <mingo@kernel.org>2017-07-30 12:15:13 +0300
committerIngo Molnar <mingo@kernel.org>2017-07-30 12:15:13 +0300
commitf5db340f19f14a8df9dfd22d71fba1513e9f1f7e (patch)
tree131d3345bc987aee3c922624de816492e7f323a4 /include/linux/inetdevice.h
parentee438ec8f33c5af0d4a4ffb935c5b9272e8c2680 (diff)
parent38115f2f8cec8087d558c062e779c443a01f87d6 (diff)
downloadlinux-f5db340f19f14a8df9dfd22d71fba1513e9f1f7e.tar.xz
Merge branch 'perf/urgent' into perf/core, to pick up latest fixes and refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/inetdevice.h')
-rw-r--r--include/linux/inetdevice.h18
1 files changed, 13 insertions, 5 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index a2e9d6ea1349..fb3f809e34e4 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -11,6 +11,7 @@
#include <linux/timer.h>
#include <linux/sysctl.h>
#include <linux/rtnetlink.h>
+#include <linux/refcount.h>
struct ipv4_devconf {
void *sysctl;
@@ -22,7 +23,7 @@ struct ipv4_devconf {
struct in_device {
struct net_device *dev;
- atomic_t refcnt;
+ refcount_t refcnt;
int dead;
struct in_ifaddr *ifa_list; /* IP ifaddr chain */
@@ -150,8 +151,15 @@ struct in_ifaddr {
unsigned long ifa_tstamp; /* updated timestamp */
};
+struct in_validator_info {
+ __be32 ivi_addr;
+ struct in_device *ivi_dev;
+};
+
int register_inetaddr_notifier(struct notifier_block *nb);
int unregister_inetaddr_notifier(struct notifier_block *nb);
+int register_inetaddr_validator_notifier(struct notifier_block *nb);
+int unregister_inetaddr_validator_notifier(struct notifier_block *nb);
void inet_netconf_notify_devconf(struct net *net, int event, int type,
int ifindex, struct ipv4_devconf *devconf);
@@ -212,7 +220,7 @@ static inline struct in_device *in_dev_get(const struct net_device *dev)
rcu_read_lock();
in_dev = __in_dev_get_rcu(dev);
if (in_dev)
- atomic_inc(&in_dev->refcnt);
+ refcount_inc(&in_dev->refcnt);
rcu_read_unlock();
return in_dev;
}
@@ -233,12 +241,12 @@ void in_dev_finish_destroy(struct in_device *idev);
static inline void in_dev_put(struct in_device *idev)
{
- if (atomic_dec_and_test(&idev->refcnt))
+ if (refcount_dec_and_test(&idev->refcnt))
in_dev_finish_destroy(idev);
}
-#define __in_dev_put(idev) atomic_dec(&(idev)->refcnt)
-#define in_dev_hold(idev) atomic_inc(&(idev)->refcnt)
+#define __in_dev_put(idev) refcount_dec(&(idev)->refcnt)
+#define in_dev_hold(idev) refcount_inc(&(idev)->refcnt)
#endif /* __KERNEL__ */