1 files changed, 64 insertions, 1 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 4d1f19d70798..2fd06c60ffbb 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1416,7 +1416,7 @@ static inline struct device *wiphy_dev(struct wiphy *wiphy)
  *
  * @wiphy: The wiphy whose name to return
  */
-static inline const char *wiphy_name(struct wiphy *wiphy)
+static inline const char *wiphy_name(const struct wiphy *wiphy)
 {
 	return dev_name(&wiphy->dev);
 }
@@ -2420,4 +2420,67 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev,
 			      enum nl80211_cqm_rssi_threshold_event rssi_event,
 			      gfp_t gfp);
 
+#ifdef __KERNEL__
+
+/* Logging, debugging and troubleshooting/diagnostic helpers. */
+
+/* wiphy_printk helpers, similar to dev_printk */
+
+#define wiphy_printk(level, wiphy, format, args...)		\
+	printk(level "%s: " format, wiphy_name(wiphy), ##args)
+#define wiphy_emerg(wiphy, format, args...)			\
+	wiphy_printk(KERN_EMERG, wiphy, format, ##args)
+#define wiphy_alert(wiphy, format, args...)			\
+	wiphy_printk(KERN_ALERT, wiphy, format, ##args)
+#define wiphy_crit(wiphy, format, args...)			\
+	wiphy_printk(KERN_CRIT, wiphy, format, ##args)
+#define wiphy_err(wiphy, format, args...)			\
+	wiphy_printk(KERN_ERR, wiphy, format, ##args)
+#define wiphy_warn(wiphy, format, args...)			\
+	wiphy_printk(KERN_WARNING, wiphy, format, ##args)
+#define wiphy_notice(wiphy, format, args...)			\
+	wiphy_printk(KERN_NOTICE, wiphy, format, ##args)
+#define wiphy_info(wiphy, format, args...)			\
+	wiphy_printk(KERN_INFO, wiphy, format, ##args)
+
+int wiphy_debug(const struct wiphy *wiphy, const char *format, ...)
+	__attribute__ ((format (printf, 2, 3)));
+
+#if defined(DEBUG)
+#define wiphy_dbg(wiphy, format, args...)			\
+	wiphy_printk(KERN_DEBUG, wiphy, format, ##args)
+#elif defined(CONFIG_DYNAMIC_DEBUG)
+#define wiphy_dbg(wiphy, format, args...)			\
+	dynamic_pr_debug("%s: " format,	wiphy_name(wiphy), ##args)
+#else
+#define wiphy_dbg(wiphy, format, args...)				\
+({									\
+	if (0)								\
+		wiphy_printk(KERN_DEBUG, wiphy, format, ##args);	\
+	0;								\
+})
+#endif
+
+#if defined(VERBOSE_DEBUG)
+#define wiphy_vdbg	wiphy_dbg
+#else
+
+#define wiphy_vdbg(wiphy, format, args...)				\
+({									\
+	if (0)								\
+		wiphy_printk(KERN_DEBUG, wiphy, format, ##args);	\
+		0;							\
+})
+#endif
+
+/*
+ * wiphy_WARN() acts like wiphy_printk(), but with the key difference
+ * of using a WARN/WARN_ON to get the message out, including the
+ * file/line information and a backtrace.
+ */
+#define wiphy_WARN(wiphy, format, args...)			\
+	WARN(1, "wiphy: %s\n" format, wiphy_name(wiphy), ##args);
+
+#endif
+
 #endif /* __NET_CFG80211_H */