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 */