Remove in_gif.h and in6_gif.h files. They only contain function

declarations used by gif(4). Instead declare these functions in C files.
Also make some variables static.

ObsoleteFiles.inc

@@ -38,6 +38,9 @@
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20141223: remove in6_gif.h and in_gif.h
+OLD_FILES+=usr/include/netinet/in_gif.h
+OLD_FILES+=usr/include/netinet6/in6_gif.h
 # 20141202: update to mandoc CVS 20141201
 OLD_FILES+=usr.bin/preconv
 OLD_FILES+=share/man/man1/preconv.1.gz

sys/net/if_gif.c

@@ -72,7 +72,6 @@ __FBSDID("$FreeBSD$");
 #include <netinet/ip_ecn.h>
 #ifdef	INET
 #include <netinet/in_var.h>
-#include <netinet/in_gif.h>
 #include <netinet/ip_var.h>
 #endif	/* INET */
 
@@ -85,7 +84,6 @@ __FBSDID("$FreeBSD$");
 #include <netinet6/ip6_ecn.h>
 #include <netinet6/ip6_var.h>
 #include <netinet6/scope6_var.h>
-#include <netinet6/in6_gif.h>
 #include <netinet6/ip6protosw.h>
 #endif /* INET6 */
 
@@ -120,6 +118,16 @@ void	(*ng_gif_input_orphan_p)(struct ifnet *ifp, struct mbuf *m, int af);
 void	(*ng_gif_attach_p)(struct ifnet *ifp);
 void	(*ng_gif_detach_p)(struct ifnet *ifp);
 
+#ifdef INET
+extern int in_gif_output(struct ifnet *, struct mbuf *, int, uint8_t);
+extern int in_gif_encapcheck(const struct mbuf *, int, int, void *);
+extern int in_gif_attach(struct gif_softc *);
+#endif
+#ifdef INET6
+extern int in6_gif_output(struct ifnet *, struct mbuf *, int, uint8_t);
+extern int in6_gif_encapcheck(const struct mbuf *, int, int, void *);
+extern int in6_gif_attach(struct gif_softc *);
+#endif
 static int	gif_set_tunnel(struct ifnet *, struct sockaddr *,
     struct sockaddr *);
 static void	gif_delete_tunnel(struct ifnet *);

sys/netinet/in_gif.c

@@ -57,7 +57,6 @@ __FBSDID("$FreeBSD$");
 #include <netinet/in_systm.h>
 #include <netinet/ip.h>
 #include <netinet/ip_var.h>
-#include <netinet/in_gif.h>
 #include <netinet/in_var.h>
 #include <netinet/ip_encap.h>
 #include <netinet/ip_ecn.h>
@@ -68,11 +67,16 @@ __FBSDID("$FreeBSD$");
 
 #include <net/if_gif.h>
 
+int in_gif_output(struct ifnet *, struct mbuf *, int, uint8_t);
+int in_gif_encapcheck(const struct mbuf *, int, int, void *);
+int in_gif_attach(struct gif_softc *);
+
 static int gif_validate4(const struct ip *, struct gif_softc *,
 	struct ifnet *);
+static int in_gif_input(struct mbuf **, int *, int);
 
 extern  struct domain inetdomain;
-struct protosw in_gif_protosw = {
+static struct protosw in_gif_protosw = {
 	.pr_type =		SOCK_RAW,
 	.pr_domain =		&inetdomain,
 	.pr_protocol =		0/* IPPROTO_IPV[46] */,
@@ -83,7 +87,8 @@ struct protosw in_gif_protosw = {
 	.pr_usrreqs =		&rip_usrreqs
 };
 
-VNET_DEFINE(int, ip_gif_ttl) = GIF_TTL;
+#define GIF_TTL		30
+static VNET_DEFINE(int, ip_gif_ttl) = GIF_TTL;
 #define	V_ip_gif_ttl		VNET(ip_gif_ttl)
 SYSCTL_INT(_net_inet_ip, IPCTL_GIF_TTL, gifttl, CTLFLAG_VNET | CTLFLAG_RW,
 	&VNET_NAME(ip_gif_ttl), 0, "");
@@ -133,7 +138,7 @@ in_gif_output(struct ifnet *ifp, struct mbuf *m, int proto, uint8_t ecn)
 	return (ip_output(m, NULL, NULL, 0, NULL, NULL));
 }
 
-int
+static int
 in_gif_input(struct mbuf **mp, int *offp, int proto)
 {
 	struct mbuf *m = *mp;

sys/netinet/in_gif.h

@@ -1,44 +0,0 @@
-/*	$FreeBSD$	*/
-/*	$KAME: in_gif.h,v 1.5 2000/04/14 08:36:02 itojun Exp $	*/
-
-/*-
- * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the project nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _NETINET_IN_GIF_H_
-#define _NETINET_IN_GIF_H_
-
-#define GIF_TTL		30
-
-struct gif_softc;
-int in_gif_input(struct mbuf **, int *, int);
-int in_gif_output(struct ifnet *, struct mbuf *, int, uint8_t);
-int in_gif_encapcheck(const struct mbuf *, int, int, void *);
-int in_gif_attach(struct gif_softc *);
-
-#endif /*_NETINET_IN_GIF_H_*/

sys/netinet6/in6_gif.c

@@ -64,7 +64,6 @@ __FBSDID("$FreeBSD$");
 #ifdef INET6
 #include <netinet/ip6.h>
 #include <netinet6/ip6_var.h>
-#include <netinet6/in6_gif.h>
 #include <netinet6/in6_var.h>
 #endif
 #include <netinet/ip_ecn.h>
@@ -74,18 +73,24 @@ __FBSDID("$FreeBSD$");
 
 #include <net/if_gif.h>
 
-VNET_DEFINE(int, ip6_gif_hlim) = GIF_HLIM;
+#define GIF_HLIM	30
+static VNET_DEFINE(int, ip6_gif_hlim) = GIF_HLIM;
 #define	V_ip6_gif_hlim			VNET(ip6_gif_hlim)
 
 SYSCTL_DECL(_net_inet6_ip6);
 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, gifhlim, CTLFLAG_VNET | CTLFLAG_RW,
     &VNET_NAME(ip6_gif_hlim), 0, "");
 
+int in6_gif_output(struct ifnet *, struct mbuf *, int, uint8_t);
+int in6_gif_encapcheck(const struct mbuf *, int, int, void *);
+int in6_gif_attach(struct gif_softc *);
+
 static int gif_validate6(const struct ip6_hdr *, struct gif_softc *,
 			 struct ifnet *);
+static int in6_gif_input(struct mbuf **, int *, int);
 
 extern  struct domain inet6domain;
-struct protosw in6_gif_protosw = {
+static struct protosw in6_gif_protosw = {
 	.pr_type =	SOCK_RAW,
 	.pr_domain =	&inet6domain,
 	.pr_protocol =	0,			/* IPPROTO_IPV[46] */
@@ -144,7 +149,7 @@ in6_gif_output(struct ifnet *ifp, struct mbuf *m, int proto, uint8_t ecn)
 	return (ip6_output(m, 0, NULL, IPV6_MINMTU, 0, NULL, NULL));
 }
 
-int
+static int
 in6_gif_input(struct mbuf **mp, int *offp, int proto)
 {
 	struct mbuf *m = *mp;

sys/netinet6/in6_gif.h

@@ -1,44 +0,0 @@
-/*-
- * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the project nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	$KAME: in6_gif.h,v 1.5 2000/04/14 08:36:03 itojun Exp $
- * $FreeBSD$
- */
-
-#ifndef _NETINET6_IN6_GIF_H_
-#define _NETINET6_IN6_GIF_H_
-
-#define GIF_HLIM	30
-
-struct gif_softc;
-int in6_gif_input(struct mbuf **, int *, int);
-int in6_gif_output(struct ifnet *, struct mbuf *, int, uint8_t);
-int in6_gif_encapcheck(const struct mbuf *, int, int, void *);
-int in6_gif_attach(struct gif_softc *);
-
-#endif /* _NETINET6_IN6_GIF_H_ */