commit 164fd39d05925717e75715929c7ced14a2c1505e
Author: Andreas Jaeger <aj@suse.de>
Date:   Fri May 3 20:51:27 2013 +0200

    Sync with Linux 3.9
    
            * sysdeps/gnu/netinet/tcp.h (TCP_TIMESTAMP): New value, from
            Linux 3.9.
            * sysdeps/unix/sysv/linux/bits/socket.h (PF_VSOCK, AF_VSOCK):
            Add.
            (PF_MAX): Adjust for VSOCK change.

Index: b/sysdeps/gnu/netinet/tcp.h
===================================================================
--- a/sysdeps/gnu/netinet/tcp.h
+++ b/sysdeps/gnu/netinet/tcp.h
@@ -60,6 +60,7 @@
 #define TCP_QUEUE_SEQ		 21 /* Set sequence number of repaired queue. */
 #define TCP_REPAIR_OPTIONS	 22 /* Repair TCP connection options */
 #define TCP_FASTOPEN		 23 /* Enable FastOpen on listeners */
+#define TCP_TIMESTAMP		 24 /* TCP time stamp */
 
 #ifdef __USE_MISC
 # include <sys/types.h>
Index: b/sysdeps/unix/sysv/linux/bits/socket.h
===================================================================
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -80,7 +80,8 @@ typedef __socklen_t socklen_t;
 #define PF_CAIF		37	/* CAIF sockets.  */
 #define PF_ALG		38	/* Algorithm sockets.  */
 #define PF_NFC		39	/* NFC sockets.  */
-#define	PF_MAX		40	/* For now..  */
+#define PF_VSOCK	40	/* vSockets.  */
+#define	PF_MAX		41	/* For now..  */
 
 /* Address families.  */
 #define	AF_UNSPEC	PF_UNSPEC
@@ -124,6 +125,7 @@ typedef __socklen_t socklen_t;
 #define AF_CAIF		PF_CAIF
 #define AF_ALG		PF_ALG
 #define AF_NFC		PF_NFC
+#define AF_VSOCK	PF_VSOCK
 #define	AF_MAX		PF_MAX
 
 /* Socket level values.  Others are defined in the appropriate headers.