From: Jesse Gross <jesse@nicira.com>
Date: Fri, 25 May 2012 18:16:54 +0000 (-0700)
Subject: datapath: Backport net_warn_ratelimited() and friends.
X-Git-Tag: sliver-openvswitch-1.8.90-0~48^2~402
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=0b10e452a96295c4f0a117f5fae4f55bca5f6b58;p=sliver-openvswitch.git

datapath: Backport net_warn_ratelimited() and friends.

Signed-off-by: Jesse Gross <jesse@nicira.com>
---

diff --git a/datapath/linux/Modules.mk b/datapath/linux/Modules.mk
index 819247b03..8ce611579 100644
--- a/datapath/linux/Modules.mk
+++ b/datapath/linux/Modules.mk
@@ -37,6 +37,7 @@ openvswitch_headers += \
 	linux/compat/include/linux/lockdep.h \
 	linux/compat/include/linux/log2.h \
 	linux/compat/include/linux/mutex.h \
+	linux/compat/include/linux/net.h \
 	linux/compat/include/linux/netdevice.h \
 	linux/compat/include/linux/netfilter_bridge.h \
 	linux/compat/include/linux/netfilter_ipv4.h \
diff --git a/datapath/linux/compat/include/linux/net.h b/datapath/linux/compat/include/linux/net.h
new file mode 100644
index 000000000..5665e2ee0
--- /dev/null
+++ b/datapath/linux/compat/include/linux/net.h
@@ -0,0 +1,31 @@
+#ifndef __LINUX_NET_WRAPPER_H
+#define __LINUX_NET_WRAPPER_H 1
+
+#include_next <linux/net.h>
+
+#ifndef net_ratelimited_function
+#define net_ratelimited_function(function, ...)			\
+do {								\
+	if (net_ratelimit())					\
+		function(__VA_ARGS__);				\
+} while (0)
+
+#define net_emerg_ratelimited(fmt, ...)				\
+	net_ratelimited_function(pr_emerg, fmt, ##__VA_ARGS__)
+#define net_alert_ratelimited(fmt, ...)				\
+	net_ratelimited_function(pr_alert, fmt, ##__VA_ARGS__)
+#define net_crit_ratelimited(fmt, ...)				\
+	net_ratelimited_function(pr_crit, fmt, ##__VA_ARGS__)
+#define net_err_ratelimited(fmt, ...)				\
+	net_ratelimited_function(pr_err, fmt, ##__VA_ARGS__)
+#define net_notice_ratelimited(fmt, ...)			\
+	net_ratelimited_function(pr_notice, fmt, ##__VA_ARGS__)
+#define net_warn_ratelimited(fmt, ...)				\
+	net_ratelimited_function(pr_warn, fmt, ##__VA_ARGS__)
+#define net_info_ratelimited(fmt, ...)				\
+	net_ratelimited_function(pr_info, fmt, ##__VA_ARGS__)
+#define net_dbg_ratelimited(fmt, ...)				\
+	net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__)
+#endif
+
+#endif