/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_NET_DEBUG_H#define _LINUX_NET_DEBUG_H #include <linux/bug.h>#include <linux/kern_levels.h> struct net_device; __printf(3, 4) __coldvoid netdev_printk(const char *level, const struct net_device *dev,		   const char *format, ...);__printf(2, 3) __coldvoid netdev_emerg(const struct net_device *dev, const char *format, ...);__printf(2, 3) __coldvoid netdev_alert(const struct net_device *dev, const char *format, ...);__printf(2, 3) __coldvoid netdev_crit(const struct net_device *dev, const char *format, ...);__printf(2, 3) __coldvoid netdev_err(const struct net_device *dev, const char *format, ...);__printf(2, 3) __coldvoid netdev_warn(const struct net_device *dev, const char *format, ...);__printf(2, 3) __coldvoid netdev_notice(const struct net_device *dev, const char *format, ...);__printf(2, 3) __coldvoid netdev_info(const struct net_device *dev, const char *format, ...); #define netdev_level_once(level, dev, fmt, ...)			\do {								\	static bool __section(".data.once") __print_once;	\								\	if (!__print_once) {					\		__print_once = true;				\		netdev_printk(level, dev, fmt, ##__VA_ARGS__);	\	}							\} while (0) #define netdev_emerg_once(dev, fmt, ...) \	netdev_level_once(KERN_EMERG, dev, fmt, ##__VA_ARGS__)#define netdev_alert_once(dev, fmt, ...) \	netdev_level_once(KERN_ALERT, dev, fmt, ##__VA_ARGS__)#define netdev_crit_once(dev, fmt, ...) \	netdev_level_once(KERN_CRIT, dev, fmt, ##__VA_ARGS__)#define netdev_err_once(dev, fmt, ...) \	netdev_level_once(KERN_ERR, dev, fmt, ##__VA_ARGS__)#define netdev_warn_once(dev, fmt, ...) \	netdev_level_once(KERN_WARNING, dev, fmt, ##__VA_ARGS__)#define netdev_notice_once(dev, fmt, ...) \	netdev_level_once(KERN_NOTICE, dev, fmt, ##__VA_ARGS__)#define netdev_info_once(dev, fmt, ...) \	netdev_level_once(KERN_INFO, dev, fmt, ##__VA_ARGS__) #if defined(CONFIG_DYNAMIC_DEBUG) || \	(defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))#define netdev_dbg(__dev, format, args...)			\do {								\	dynamic_netdev_dbg(__dev, format, ##args);		\} while (0)#elif defined(DEBUG)#define netdev_dbg(__dev, format, args...)			\	netdev_printk(KERN_DEBUG, __dev, format, ##args)#else#define netdev_dbg(__dev, format, args...)			\({								\	if (0)							\		netdev_printk(KERN_DEBUG, __dev, format, ##args); \})#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 /* 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_level(level, priv, type, dev, fmt, args...)	\do {								\	if (netif_msg_##type(priv))				\		netdev_##level(dev, fmt, ##args);		\} while (0) #define netif_emerg(priv, type, dev, fmt, args...)		\	netif_level(emerg, priv, type, dev, fmt, ##args)#define netif_alert(priv, type, dev, fmt, args...)		\	netif_level(alert, priv, type, dev, fmt, ##args)#define netif_crit(priv, type, dev, fmt, args...)		\	netif_level(crit, priv, type, dev, fmt, ##args)#define netif_err(priv, type, dev, fmt, args...)		\	netif_level(err, priv, type, dev, fmt, ##args)#define netif_warn(priv, type, dev, fmt, args...)		\	netif_level(warn, priv, type, dev, fmt, ##args)#define netif_notice(priv, type, dev, fmt, args...)		\	netif_level(notice, priv, type, dev, fmt, ##args)#define netif_info(priv, type, dev, fmt, args...)		\	netif_level(info, priv, type, dev, fmt, ##args) #if defined(CONFIG_DYNAMIC_DEBUG) || \	(defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))#define netif_dbg(priv, type, netdev, format, args...)		\do {								\	if (netif_msg_##type(priv))				\		dynamic_netdev_dbg(netdev, format, ##args);	\} while (0)#elif defined(DEBUG)#define netif_dbg(priv, type, dev, format, args...)		\	netif_printk(priv, type, KERN_DEBUG, dev, format, ##args)#else#define netif_dbg(priv, type, dev, format, args...)			\({									\	if (0)								\		netif_printk(priv, type, KERN_DEBUG, dev, format, ##args); \	0;								\})#endif /* if @cond then downgrade to debug, else print at @level */#define netif_cond_dbg(priv, type, netdev, cond, level, fmt, args...)     \	do {                                                              \		if (cond)                                                 \			netif_dbg(priv, type, netdev, fmt, ##args);       \		else                                                      \			netif_ ## level(priv, type, netdev, fmt, ##args); \	} while (0) #if defined(VERBOSE_DEBUG)#define netif_vdbg	netif_dbg#else#define netif_vdbg(priv, type, dev, format, args...)		\({								\	if (0)							\		netif_printk(priv, type, KERN_DEBUG, dev, format, ##args); \	0;							\})#endif  #if defined(CONFIG_DEBUG_NET)#define DEBUG_NET_WARN_ON_ONCE(cond) (void)WARN_ON_ONCE(cond)#else#define DEBUG_NET_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond)#endif #endif	/* _LINUX_NET_DEBUG_H */