Fix unix socket diagnostic build

Get updated headers incorporated into build environment
and include required sock_diag.h.

include/linux/sock_diag.h

+#ifndef __SOCK_DIAG_H__
+#define __SOCK_DIAG_H__
+
+#include <linux/types.h>
+
+#define SOCK_DIAG_BY_FAMILY 20
+
+struct sock_diag_req {
+	__u8	sdiag_family;
+	__u8	sdiag_protocol;
+};
+
+enum {
+	SK_MEMINFO_RMEM_ALLOC,
+	SK_MEMINFO_RCVBUF,
+	SK_MEMINFO_WMEM_ALLOC,
+	SK_MEMINFO_SNDBUF,
+	SK_MEMINFO_FWD_ALLOC,
+	SK_MEMINFO_WMEM_QUEUED,
+	SK_MEMINFO_OPTMEM,
+
+	SK_MEMINFO_VARS,
+};
+
+#endif

include/linux/unix_diag.h

 #ifndef __UNIX_DIAG_H__
 #define __UNIX_DIAG_H__
 
+#include <linux/types.h>
+
 struct unix_diag_req {
 	__u8	sdiag_family;
 	__u8	sdiag_protocol;
@@ -16,6 +18,7 @@ struct unix_diag_req {
 #define UDIAG_SHOW_PEER		0x00000004	/* show peer socket info */
 #define UDIAG_SHOW_ICONS	0x00000008	/* show pending connections */
 #define UDIAG_SHOW_RQLEN	0x00000010	/* show skb receive queue len */
+#define UDIAG_SHOW_MEMINFO	0x00000020	/* show memory info of a socket */
 
 struct unix_diag_msg {
 	__u8	udiag_family;
@@ -33,6 +36,7 @@ enum {
 	UNIX_DIAG_PEER,
 	UNIX_DIAG_ICONS,
 	UNIX_DIAG_RQLEN,
+	UNIX_DIAG_MEMINFO,
 
 	UNIX_DIAG_MAX,
 };
@@ -42,4 +46,9 @@ struct unix_diag_vfs {
 	__u32	udiag_vfs_dev;
 };
 
+struct unix_diag_rqlen {
+	__u32	udiag_rqueue;
+	__u32	udiag_wqueue;
+};
+
 #endif

misc/ss.c

@@ -34,6 +34,7 @@
 #include "SNAPSHOT.h"
 
 #include <netinet/tcp.h>
+#include <linux/sock_diag.h>
 #include <linux/inet_diag.h>
 #include <linux/unix_diag.h>