xfrm: get #define's from linux includes

Use linux/ipsec.h and linux/in.h to get the definition of IP related
protocols.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

include/linux/ipsec.h

@@ -0,0 +1,47 @@
+#ifndef _LINUX_IPSEC_H
+#define _LINUX_IPSEC_H
+
+/* The definitions, required to talk to KAME racoon IKE. */
+
+#include <linux/pfkeyv2.h>
+
+#define IPSEC_PORT_ANY		0
+#define IPSEC_ULPROTO_ANY	255
+#define IPSEC_PROTO_ANY		255
+
+enum {
+	IPSEC_MODE_ANY		= 0,	/* We do not support this for SA */
+	IPSEC_MODE_TRANSPORT	= 1,
+	IPSEC_MODE_TUNNEL	= 2,
+	IPSEC_MODE_BEET         = 3
+};
+
+enum {
+	IPSEC_DIR_ANY		= 0,
+	IPSEC_DIR_INBOUND	= 1,
+	IPSEC_DIR_OUTBOUND	= 2,
+	IPSEC_DIR_FWD		= 3,	/* It is our own */
+	IPSEC_DIR_MAX		= 4,
+	IPSEC_DIR_INVALID	= 5
+};
+
+enum {
+	IPSEC_POLICY_DISCARD	= 0,
+	IPSEC_POLICY_NONE	= 1,
+	IPSEC_POLICY_IPSEC	= 2,
+	IPSEC_POLICY_ENTRUST	= 3,
+	IPSEC_POLICY_BYPASS	= 4
+};
+
+enum {
+	IPSEC_LEVEL_DEFAULT	= 0,
+	IPSEC_LEVEL_USE		= 1,
+	IPSEC_LEVEL_REQUIRE	= 2,
+	IPSEC_LEVEL_UNIQUE	= 3
+};
+
+#define IPSEC_MANUAL_REQID_MAX	0x3fff
+
+#define IPSEC_REPLAYWSIZE  32
+
+#endif	/* _LINUX_IPSEC_H */

include/utils.h

@@ -27,19 +27,6 @@ extern int max_flush_loops;
 extern int batch_mode;
 extern bool do_all;
 
-#ifndef IPPROTO_ESP
-#define IPPROTO_ESP	50
-#endif
-#ifndef IPPROTO_AH
-#define IPPROTO_AH	51
-#endif
-#ifndef IPPROTO_COMP
-#define IPPROTO_COMP	108
-#endif
-#ifndef IPSEC_PROTO_ANY
-#define IPSEC_PROTO_ANY	255
-#endif
-
 #ifndef CONFDIR
 #define CONFDIR		"/etc/iproute2"
 #endif

ip/xfrm.h

@@ -26,17 +26,9 @@
 
 #include <stdio.h>
 #include <sys/socket.h>
+#include <linux/in.h>
 #include <linux/xfrm.h>
-
-#ifndef IPPROTO_SCTP
-# define IPPROTO_SCTP	132
-#endif
-#ifndef IPPROTO_DCCP
-# define IPPROTO_DCCP	33
-#endif
-#ifndef IPPROTO_MH
-# define IPPROTO_MH	135
-#endif
+#include <linux/ipsec.h>
 
 #define XFRMS_RTA(x)  ((struct rtattr*)(((char*)(x)) + NLMSG_ALIGN(sizeof(struct xfrm_usersa_info))))
 #define XFRMS_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct xfrm_usersa_info))