[IPV4] MROUTE: Move PIM definitions to <linux/pim.h>.

Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

include/linux/Kbuild

@@ -289,6 +289,7 @@ unifdef-y += parport.h
 unifdef-y += patchkey.h
 unifdef-y += pci.h
 unifdef-y += personality.h
+unifdef-y += pim.h
 unifdef-y += pktcdvd.h
 unifdef-y += pmu.h
 unifdef-y += poll.h

include/linux/mroute.h

@@ -3,6 +3,7 @@
 
 #include <linux/sockios.h>
 #include <linux/in.h>
+#include <linux/pim.h>
 
 /*
  *	Based on the MROUTING 3.5 defines primarily to keep
@@ -210,27 +211,6 @@ struct mfc_cache
 #define IGMPMSG_WHOLEPKT	3		/* For PIM Register processing */
 
 #ifdef __KERNEL__
-
-#define PIM_V1_VERSION		__constant_htonl(0x10000000)
-#define PIM_V1_REGISTER		1
-
-#define PIM_VERSION		2
-#define PIM_REGISTER		1
-
-#define PIM_NULL_REGISTER	__constant_htonl(0x40000000)
-
-/* PIMv2 register message header layout (ietf-draft-idmr-pimvsm-v2-00.ps */
-
-struct pimreghdr
-{
-	__u8	type;
-	__u8	reserved;
-	__be16	csum;
-	__be32	flags;
-};
-
-extern int pim_rcv_v1(struct sk_buff *);
-
 struct rtmsg;
 extern int ipmr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait);
 #endif

include/linux/pim.h

+#ifndef __LINUX_PIM_H
+#define __LINUX_PIM_H
+
+#include <asm/byteorder.h>
+
+/* Message types - V1 */
+#define PIM_V1_VERSION		__constant_htonl(0x10000000)
+#define PIM_V1_REGISTER		1
+
+/* Message types - V2 */
+#define PIM_VERSION		2
+#define PIM_REGISTER		1
+
+#if defined(__KERNEL__)
+#define PIM_NULL_REGISTER	__constant_htonl(0x40000000)
+
+/* PIMv2 register message header layout (ietf-draft-idmr-pimvsm-v2-00.ps */
+struct pimreghdr
+{
+	__u8	type;
+	__u8	reserved;
+	__be16	csum;
+	__be32	flags;
+};
+
+struct sk_buff;
+extern int pim_rcv_v1(struct sk_buff *);
+#endif
+#endif