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-rw-r--r--include/linux/netdevice.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 70256aa2ae81..8e8fb3ed574b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3388,6 +3388,21 @@ static inline const char *netdev_name(const struct net_device *dev)
return dev->name;
}
+static inline const char *netdev_reg_state(const struct net_device *dev)
+{
+ switch (dev->reg_state) {
+ case NETREG_UNINITIALIZED: return " (uninitialized)";
+ case NETREG_REGISTERED: return "";
+ case NETREG_UNREGISTERING: return " (unregistering)";
+ case NETREG_UNREGISTERED: return " (unregistered)";
+ case NETREG_RELEASED: return " (released)";
+ case NETREG_DUMMY: return " (dummy)";
+ }
+
+ WARN_ONCE(1, "%s: unknown reg_state %d\n", dev->name, dev->reg_state);
+ return " (unknown)";
+}
+
__printf(3, 4)
int netdev_printk(const char *level, const struct net_device *dev,
const char *format, ...);
@@ -3444,7 +3459,8 @@ do { \
* file/line information and a backtrace.
*/
#define netdev_WARN(dev, format, args...) \
- WARN(1, "netdevice: %s\n" format, netdev_name(dev), ##args)
+ WARN(1, "netdevice: %s%s\n" format, netdev_name(dev), \
+ netdev_reg_state(dev), ##args)
/* netif printk helpers, similar to netdev_printk */