1 files changed, 7 insertions, 0 deletions
diff --git a/dhcp6.h b/dhcp6.h
index 6afb517..9f3a62d 100644
--- a/dhcp6.h
+++ b/dhcp6.h
@@ -108,6 +108,13 @@ typedef uint64_t u_int64_t;
 #define DHCP6_IRT_DEFAULT 86400	/* 1 day */
 #define DHCP6_IRT_MINIMUM 600
 
+#ifndef HAVE_IN6_PKTINFO
+struct in6_pktinfo {
+	struct in6_addr ipi6_addr;  /* src/dst IPv6 address */
+	unsigned int ipi6_ifindex;  /* send/recv interface index */
+};
+#endif
+
 /* DUID: DHCP unique Identifier */
 struct duid {
 	size_t duid_len;	/* length */