[PATCH 2/5] net: move netdevice notifiers into netdevice.h

From: Amerigo Wang
Date: Wed Jun 22 2011 - 02:36:40 EST


It is not necessary to share the same notifier.h.

Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>
---
include/linux/netdevice.h | 36 +++++++++++++++++++++++++++++++++---
include/linux/notifier.h | 28 +---------------------------
2 files changed, 34 insertions(+), 30 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 54b8b4d..7c2026b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1566,6 +1566,39 @@ struct packet_type {
#include <linux/interrupt.h>
#include <linux/notifier.h>

+/* netdevice notifier chain. Please remember to update the rtnetlink
+ * notification exclusion list in rtnetlink_event() when adding new
+ * types.
+ */
+#define NETDEV_UP 0x0001 /* For now you can't veto a device up/down */
+#define NETDEV_DOWN 0x0002
+#define NETDEV_REBOOT 0x0003 /* Tell a protocol stack a network interface
+ detected a hardware crash and restarted
+ - we can use this eg to kick tcp sessions
+ once done */
+#define NETDEV_CHANGE 0x0004 /* Notify device state change */
+#define NETDEV_REGISTER 0x0005
+#define NETDEV_UNREGISTER 0x0006
+#define NETDEV_CHANGEMTU 0x0007
+#define NETDEV_CHANGEADDR 0x0008
+#define NETDEV_GOING_DOWN 0x0009
+#define NETDEV_CHANGENAME 0x000A
+#define NETDEV_FEAT_CHANGE 0x000B
+#define NETDEV_BONDING_FAILOVER 0x000C
+#define NETDEV_PRE_UP 0x000D
+#define NETDEV_PRE_TYPE_CHANGE 0x000E
+#define NETDEV_POST_TYPE_CHANGE 0x000F
+#define NETDEV_POST_INIT 0x0010
+#define NETDEV_UNREGISTER_BATCH 0x0011
+#define NETDEV_RELEASE 0x0012
+#define NETDEV_NOTIFY_PEERS 0x0013
+#define NETDEV_JOIN 0x0014
+
+extern int register_netdevice_notifier(struct notifier_block *nb);
+extern int unregister_netdevice_notifier(struct notifier_block *nb);
+extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
+
+
extern rwlock_t dev_base_lock; /* Device list lock */


@@ -1648,12 +1681,9 @@ static inline void unregister_netdevice(struct net_device *dev)
extern int netdev_refcnt_read(const struct net_device *dev);
extern void free_netdev(struct net_device *dev);
extern void synchronize_net(void);
-extern int register_netdevice_notifier(struct notifier_block *nb);
-extern int unregister_netdevice_notifier(struct notifier_block *nb);
extern int init_dummy_netdev(struct net_device *dev);
extern void netdev_resync_ops(struct net_device *dev);

-extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
extern struct net_device *dev_get_by_index(struct net *net, int ifindex);
extern struct net_device *__dev_get_by_index(struct net *net, int ifindex);
extern struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 9eb25fc..e8a858a 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -187,33 +187,7 @@ static inline int notifier_to_errno(int ret)

/* CPU notfiers are defined in include/linux/cpu.h. */

-/* netdevice notifier chain. Please remember to update the rtnetlink
- * notification exclusion list in rtnetlink_event() when adding new
- * types.
- */
-#define NETDEV_UP 0x0001 /* For now you can't veto a device up/down */
-#define NETDEV_DOWN 0x0002
-#define NETDEV_REBOOT 0x0003 /* Tell a protocol stack a network interface
- detected a hardware crash and restarted
- - we can use this eg to kick tcp sessions
- once done */
-#define NETDEV_CHANGE 0x0004 /* Notify device state change */
-#define NETDEV_REGISTER 0x0005
-#define NETDEV_UNREGISTER 0x0006
-#define NETDEV_CHANGEMTU 0x0007
-#define NETDEV_CHANGEADDR 0x0008
-#define NETDEV_GOING_DOWN 0x0009
-#define NETDEV_CHANGENAME 0x000A
-#define NETDEV_FEAT_CHANGE 0x000B
-#define NETDEV_BONDING_FAILOVER 0x000C
-#define NETDEV_PRE_UP 0x000D
-#define NETDEV_PRE_TYPE_CHANGE 0x000E
-#define NETDEV_POST_TYPE_CHANGE 0x000F
-#define NETDEV_POST_INIT 0x0010
-#define NETDEV_UNREGISTER_BATCH 0x0011
-#define NETDEV_RELEASE 0x0012
-#define NETDEV_NOTIFY_PEERS 0x0013
-#define NETDEV_JOIN 0x0014
+/* netdevice notifiers are defined in include/linux/netdevice.h */

#define SYS_DOWN 0x0001 /* Notify of system down */
#define SYS_RESTART SYS_DOWN
--
1.7.4.4

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