Index: sys/compat/linuxkpi/common/include/linux/net.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/net.h
+++ sys/compat/linuxkpi/common/include/linux/net.h
@@ -38,6 +38,7 @@
 #include <sys/socket.h>
 #include <sys/socketvar.h>
 #include <sys/errno.h>
+#include <sys/time.h>
 
 static inline int
 sock_create_kern(int family, int type, int proto, struct socket **res)
@@ -76,4 +77,16 @@
 	soclose(so);
 }
 
+static struct timeval lkpi_net_lastlog;
+static int lkpi_net_curpps;
+static int lkpi_net_maxpps = 99;
+
+static inline int
+net_ratelimit(void)
+{
+
+	return (ppsratecheck(&lkpi_net_lastlog, &lkpi_net_curpps,
+	   lkpi_net_maxpps));
+}
+
 #endif	/* _LINUX_NET_H_ */