#endif /* < 2.6.39 */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33)
+#define HAVE_SIMPLIFIED_PERNET_OPERATIONS
+#endif
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
#define sk_sleep(s) (s)->sk_sleep
#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
+#define HAVE_CHANGE_CARRIER_CB
+#endif
+
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)
#define HAVE_IOV_ITER_MSGHDR
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 0)
#define HAVE_KIOCB_MSG_PARAM
+#define HAVE_REBUILD_HEADER
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0)