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-rw-r--r--src/compat/compat.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/compat/compat.h b/src/compat/compat.h
index 6a9bfd9..277e7e7 100644
--- a/src/compat/compat.h
+++ b/src/compat/compat.h
@@ -153,6 +153,14 @@ __attribute__((unused)) static inline int udp_sock_create_new(struct net *net, s
#define time_is_after_eq_jiffies64(a) time_before_eq64(get_jiffies_64(), a)
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 8, 0) && IS_ENABLED(CONFIG_IPV6)
+#include <net/addrconf.h>
+static inline bool ipv6_mod_enabled(void)
+{
+ return ipv6_stub->udpv6_encap_enable != NULL;
+}
+#endif
+
/* https://lkml.org/lkml/2015/6/12/415 */
#include <linux/netdevice.h>
static inline struct net_device *netdev_pub(void *dev)