+
+/* Logging, debugging and troubleshooting/diagnostic helpers. */
+
+/* netdev_printk helpers, similar to dev_printk */
+
+static inline const char *netdev_name(const struct net_device *dev)
+{
+ if (dev->reg_state != NETREG_REGISTERED)
+ return "(unregistered net_device)";
+ return dev->name;
+}
+
+#define netdev_printk(level, netdev, format, args...) \
+ dev_printk(level, (netdev)->dev.parent, \
+ "%s: " format, \
+ netdev_name(netdev), ##args)
+
+#define netdev_emerg(dev, format, args...) \
+ netdev_printk(KERN_EMERG, dev, format, ##args)
+#define netdev_alert(dev, format, args...) \
+ netdev_printk(KERN_ALERT, dev, format, ##args)
+#define netdev_crit(dev, format, args...) \
+ netdev_printk(KERN_CRIT, dev, format, ##args)
+#define netdev_err(dev, format, args...) \
+ netdev_printk(KERN_ERR, dev, format, ##args)
+#define netdev_warn(dev, format, args...) \
+ netdev_printk(KERN_WARNING, dev, format, ##args)
+#define netdev_notice(dev, format, args...) \
+ netdev_printk(KERN_NOTICE, dev, format, ##args)
+#define netdev_info(dev, format, args...) \
+ netdev_printk(KERN_INFO, dev, format, ##args)
+
+#if defined(DEBUG)
+#define netdev_dbg(__dev, format, args...) \
+ netdev_printk(KERN_DEBUG, __dev, format, ##args)
+#elif defined(CONFIG_DYNAMIC_DEBUG)
+#define netdev_dbg(__dev, format, args...) \
+do { \
+ dynamic_dev_dbg((__dev)->dev.parent, "%s: " format, \
+ netdev_name(__dev), ##args); \
+} while (0)
+#else
+#define netdev_dbg(__dev, format, args...) \
+({ \
+ if (0) \
+ netdev_printk(KERN_DEBUG, __dev, format, ##args); \
+ 0; \
+})
+#endif
+
+#if defined(VERBOSE_DEBUG)
+#define netdev_vdbg netdev_dbg
+#else
+
+#define netdev_vdbg(dev, format, args...) \
+({ \
+ if (0) \
+ netdev_printk(KERN_DEBUG, dev, format, ##args); \
+ 0; \
+})
+#endif
+
+/*
+ * netdev_WARN() acts like dev_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 netdev_WARN(dev, format, args...) \
+ WARN(1, "netdevice: %s\n" format, netdev_name(dev), ##args);
+
+/* netif printk helpers, similar to netdev_printk */
+
+#define netif_printk(priv, type, level, dev, fmt, args...) \
+do { \
+ if (netif_msg_##type(priv)) \
+ netdev_printk(level, (dev), fmt, ##args); \
+} while (0)
+
+#define netif_emerg(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_EMERG, dev, fmt, ##args)
+#define netif_alert(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_ALERT, dev, fmt, ##args)
+#define netif_crit(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_CRIT, dev, fmt, ##args)
+#define netif_err(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_ERR, dev, fmt, ##args)
+#define netif_warn(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_WARNING, dev, fmt, ##args)
+#define netif_notice(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_NOTICE, dev, fmt, ##args)
+#define netif_info(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_INFO, (dev), fmt, ##args)
+
+#if defined(DEBUG)
+#define netif_dbg(priv, type, dev, format, args...) \
+ netif_printk(priv, type, KERN_DEBUG, dev, format, ##args)
+#elif defined(CONFIG_DYNAMIC_DEBUG)
+#define netif_dbg(priv, type, netdev, format, args...) \
+do { \
+ if (netif_msg_##type(priv)) \
+ dynamic_dev_dbg((netdev)->dev.parent, \
+ "%s: " format, \
+ netdev_name(netdev), ##args); \
+} while (0)
+#else
+#define netif_dbg(priv, type, dev, format, args...) \
+({ \
+ if (0) \
+ netif_printk(priv, type, KERN_DEBUG, dev, format, ##args); \
+ 0; \
+})
+#endif
+
+#if defined(VERBOSE_DEBUG)
+#define netif_vdbg netdev_dbg
+#else
+#define netif_vdbg(priv, type, dev, format, args...) \
+({ \
+ if (0) \
+ netif_printk(KERN_DEBUG, dev, format, ##args); \
+ 0; \
+})
+#endif
+