Add netdev_level_ratelimited so we can use it in the future.
The code is copied from device.h.
Suggested-by: Joe Perches <j...@perches.com>
Signed-off-by: Hangbin Liu <liuhang...@gmail.com>
---
include/linux/netdevice.h | 53 +++++++++++++++++++++++++++++++++++++++
1 file changed, 53 insertions(+)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 88292953aa6f..4e37065c6717 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -4737,6 +4737,59 @@ do {
\
#define netdev_info_once(dev, fmt, ...) \
netdev_level_once(KERN_INFO, dev, fmt, ##__VA_ARGS__)
+#define netdev_level_ratelimited(netdev_level, dev, fmt, ...) \
+do { \
+ static DEFINE_RATELIMIT_STATE(_rs, \
+ DEFAULT_RATELIMIT_INTERVAL, \
+ DEFAULT_RATELIMIT_BURST); \
+ if (__ratelimit(&_rs)) \
+ netdev_level(dev, fmt, ##__VA_ARGS__); \
+} while (0)
+
+#define netdev_emerg_ratelimited(dev, fmt, ...)
\
+ netdev_level_ratelimited(netdev_emerg, dev, fmt, ##__VA_ARGS__)
+#define netdev_alert_ratelimited(dev, fmt, ...)
\
+ netdev_level_ratelimited(netdev_alert, dev, fmt, ##__VA_ARGS__)
+#define netdev_crit_ratelimited(dev, fmt, ...) \
+ netdev_level_ratelimited(netdev_crit, dev, fmt, ##__VA_ARGS__)
+#define netdev_err_ratelimited(dev, fmt, ...) \
+ netdev_level_ratelimited(netdev_err, dev, fmt, ##__VA_ARGS__)
+#define netdev_warn_ratelimited(dev, fmt, ...) \
+ netdev_level_ratelimited(netdev_warn, dev, fmt, ##__VA_ARGS__)
+#define netdev_notice_ratelimited(dev, fmt, ...) \
+ netdev_level_ratelimited(netdev_notice, dev, fmt, ##__VA_ARGS__)
+#define netdev_info_ratelimited(dev, fmt, ...) \
+ netdev_level_ratelimited(netdev_info, dev, fmt, ##__VA_ARGS__)
+#if defined(CONFIG_DYNAMIC_DEBUG)
+/* descriptor check is first to prevent flooding with "callbacks suppressed" */
+#define netdev_dbg_ratelimited(dev, fmt, ...) \
+do { \
+ static DEFINE_RATELIMIT_STATE(_rs, \
+ DEFAULT_RATELIMIT_INTERVAL, \
+ DEFAULT_RATELIMIT_BURST); \
+ DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
+ if (DYNAMIC_DEBUG_BRANCH(descriptor) && \
+ __ratelimit(&_rs)) \
+ __dynamic_netdev_dbg(&descriptor, dev, dev_fmt(fmt), \
+ ##__VA_ARGS__); \
+} while (0)
+#elif defined(DEBUG)
+#define netdev_dbg_ratelimited(dev, fmt, ...) \
+do { \
+ static DEFINE_RATELIMIT_STATE(_rs, \
+ DEFAULT_RATELIMIT_INTERVAL, \
+ DEFAULT_RATELIMIT_BURST); \
+ if (__ratelimit(&_rs)) \
+ netdev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
+} while (0)
+#else
+#define netdev_dbg_ratelimited(dev, fmt, ...) \
+do { \
+ if (0) \
+ netdev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
+} while (0)
+#endif
+
#define MODULE_ALIAS_NETDEV(device) \
MODULE_ALIAS("netdev-" device)
--
2.19.2
