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Add new Linux 3.16 constants to netinet/udp.h

This patch adds the new constants UDP_NO_CHECK6_TX and
UDP_NO_CHECK6_RX from Linux 3.16 to sysdeps/gnu/netinet/udp.h.  (I
believe the existing constants there are already Linux-specific,
possibly with the intention that other OSes should adopt the same
values if possible if adopting the features in question.)

Tested on x86_64.

2014-09-10  Joseph Myers  <>

	* sysdeps/gnu/netinet/udp.h (UDP_NO_CHECK6_TX): New macro.
	(UDP_NO_CHECK6_RX): Likewise.

diff --git a/sysdeps/gnu/netinet/udp.h b/sysdeps/gnu/netinet/udp.h
index 32159cd..1f015ca 100644
--- a/sysdeps/gnu/netinet/udp.h
+++ b/sysdeps/gnu/netinet/udp.h
@@ -78,6 +78,8 @@ 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 UDP6X.  */
+#define UDP_NO_CHECK6_RX 102	/* Disable accepting checksum for UDP6.  */
 /* UDP encapsulation types */
 #define UDP_ENCAP_ESPINUDP_NON_IKE 1	/* draft-ietf-ipsec-nat-t-ike-00/01 */

Joseph S. Myers

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