diff --git a/ChangeLog b/ChangeLog
index fdcaca6ee4..b84d7097d6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-09-12  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/gnu/netinet/udp.h (UDP_NO_CHECK6_TX): New macro.
+	(UDP_NO_CHECK6_RX): Likewise.
+
 2014-09-12  Siddhesh Poyarekar  <siddhesh@redhat.com>
 
 	* sysdeps/posix/sysconf.c (__sysconf): Spell
diff --git a/sysdeps/gnu/netinet/udp.h b/sysdeps/gnu/netinet/udp.h
index 32159cd142..8cc1c60a26 100644
--- a/sysdeps/gnu/netinet/udp.h
+++ b/sysdeps/gnu/netinet/udp.h
@@ -78,6 +78,10 @@ struct udphdr
 #define UDP_CORK	1	/* Never send partially complete segments.  */
 #define UDP_ENCAP	100	/* Set the socket to accept
 				   encapsulated packets.  */
+#define UDP_NO_CHECK6_TX 101	/* Disable sending checksum for UDP
+				   over IPv6.  */
+#define UDP_NO_CHECK6_RX 102	/* Disable accepting checksum for UDP
+				   over IPv6.  */
 
 /* UDP encapsulation types */
 #define UDP_ENCAP_ESPINUDP_NON_IKE 1	/* draft-ietf-ipsec-nat-t-ike-00/01 */