1 files changed, 0 insertions, 429 deletions
diff --git a/sys/netns/ns_ip.c b/sys/netns/ns_ip.c
deleted file mode 100644
index ef898ce..0000000
--- a/sys/netns/ns_ip.c
+++ /dev/null
@@ -1,429 +0,0 @@
-/*
- * Copyright (c) 1984, 1985, 1986, 1987, 1993
- *	The Regents of the University of California.  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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
- *
- *	@(#)ns_ip.c	8.1 (Berkeley) 6/10/93
- * $FreeBSD$
- */
-
-/*
- * Software interface driver for encapsulating ns in ip.
- */
-
-#ifdef NSIP
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/malloc.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <sys/socketvar.h>
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/protosw.h>
-
-#include <net/if.h>
-#include <net/netisr.h>
-#include <net/route.h>
-
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/in_var.h>
-#include <netinet/ip.h>
-#include <netinet/ip_var.h>
-
-#include <machine/mtpr.h>
-
-#include <netns/ns.h>
-#include <netns/ns_if.h>
-#include <netns/idp.h>
-
-struct ifnet_en {
-	struct ifnet ifen_ifnet;
-	struct route ifen_route;
-	struct in_addr ifen_src;
-	struct in_addr ifen_dst;
-	struct ifnet_en *ifen_next;
-};
-
-int	nsipoutput(), nsipioctl(), nsipstart();
-#define LOMTU	(1024+512);
-
-struct ifnet nsipif;
-struct ifnet_en *nsip_list;		/* list of all hosts and gateways or
-					broadcast addrs */
-
-struct ifnet_en *
-nsipattach()
-{
-	register struct ifnet_en *m;
-	register struct ifnet *ifp;
-
-	if (nsipif.if_mtu == 0) {
-		ifp = &nsipif;
-		ifp->if_name = "nsip";
-		ifp->if_mtu = LOMTU;
-		ifp->if_ioctl = nsipioctl;
-		ifp->if_output = nsipoutput;
-		ifp->if_start = nsipstart;
-		ifp->if_flags = IFF_POINTOPOINT;
-	}
-
-	MALLOC((m), struct ifnet_en *, sizeof(*m), M_PCB, M_NOWAIT);
-	if (m == NULL) return (NULL);
-	m->ifen_next = nsip_list;
-	nsip_list = m;
-	ifp = &m->ifen_ifnet;
-
-	ifp->if_name = "nsip";
-	ifp->if_mtu = LOMTU;
-	ifp->if_ioctl = nsipioctl;
-	ifp->if_output = nsipoutput;
-	ifp->if_start = nsipstart;
-	ifp->if_flags = IFF_POINTOPOINT;
-	ifp->if_unit = nsipif.if_unit++;
-	if_attach(ifp);
-
-	return (m);
-}
-
-
-/*
- * Process an ioctl request.
- */
-/* ARGSUSED */
-nsipioctl(ifp, cmd, data)
-	register struct ifnet *ifp;
-	int cmd;
-	caddr_t data;
-{
-	int error = 0;
-	struct ifreq *ifr;
-
-	switch (cmd) {
-
-	case SIOCSIFADDR:
-		ifp->if_flags |= IFF_UP;
-		/* FALLTHROUGH */
-
-	case SIOCSIFDSTADDR:
-		/*
-		 * Everything else is done at a higher level.
-		 */
-		break;
-
-	case SIOCSIFFLAGS:
-		ifr = (struct ifreq *)data;
-		if ((ifr->ifr_flags & IFF_UP) == 0)
-			error = nsip_free(ifp);
-
-
-	default:
-		error = EINVAL;
-	}
-	return (error);
-}
-
-struct mbuf *nsip_badlen;
-struct mbuf *nsip_lastin;
-int nsip_hold_input;
-
-idpip_input(m, ifp)
-	register struct mbuf *m;
-	struct ifnet *ifp;
-{
-	register struct ip *ip;
-	register struct idp *idp;
-	int len, s;
-
-	if (nsip_hold_input) {
-		if (nsip_lastin) {
-			m_freem(nsip_lastin);
-		}
-		nsip_lastin = m_copym(m, 0, (int)M_COPYALL, M_DONTWAIT);
-	}
-	/*
-	 * Get IP and IDP header together in first mbuf.
-	 */
-	nsipif.if_ipackets++;
-	s = sizeof (struct ip) + sizeof (struct idp);
-	if (((m->m_flags & M_EXT) || m->m_len < s) &&
-	    (m = m_pullup(m, s)) == 0) {
-		nsipif.if_ierrors++;
-		return;
-	}
-	ip = mtod(m, struct ip *);
-	if (ip->ip_hl > (sizeof (struct ip) >> 2)) {
-		ip_stripoptions(m, (struct mbuf *)0);
-		if (m->m_len < s) {
-			if ((m = m_pullup(m, s)) == 0) {
-				nsipif.if_ierrors++;
-				return;
-			}
-			ip = mtod(m, struct ip *);
-		}
-	}
-
-	/*
-	 * Make mbuf data length reflect IDP length.
-	 * If not enough data to reflect IDP length, drop.
-	 */
-	m->m_data += sizeof (struct ip);
-	m->m_len -= sizeof (struct ip);
-	m->m_pkthdr.len -= sizeof (struct ip);
-	idp = mtod(m, struct idp *);
-	len = ntohs(idp->idp_len);
-	if (len & 1) len++;		/* Preserve Garbage Byte */
-	if (ip->ip_len != len) {
-		if (len > ip->ip_len) {
-			nsipif.if_ierrors++;
-			if (nsip_badlen) m_freem(nsip_badlen);
-			nsip_badlen = m;
-			return;
-		}
-		/* Any extra will be trimmed off by the NS routines */
-	}
-
-	/*
-	 * Place interface pointer before the data
-	 * for the receiving protocol.
-	 */
-	m->m_pkthdr.rcvif = ifp;
-	/*
-	 * Deliver to NS
-	 */
-	netisr_dispatch(NETISR_NS, m);
-}
-
-/* ARGSUSED */
-nsipoutput(ifn, m, dst)
-	struct ifnet_en *ifn;
-	register struct mbuf *m;
-	struct sockaddr *dst;
-{
-
-	register struct ip *ip;
-	register struct route *ro = &(ifn->ifen_route);
-	register int len = 0;
-	register struct idp *idp = mtod(m, struct idp *);
-	int error;
-
-	ifn->ifen_ifnet.if_opackets++;
-	nsipif.if_opackets++;
-
-
-	/*
-	 * Calculate data length and make space
-	 * for IP header.
-	 */
-	len =  ntohs(idp->idp_len);
-	if (len & 1) len++;		/* Preserve Garbage Byte */
-	/* following clause not necessary on vax */
-	if (3 & (int)m->m_data) {
-		/* force longword alignment of ip hdr */
-		struct mbuf *m0 = m_gethdr(MT_HEADER, M_DONTWAIT);
-		if (m0 == 0) {
-			m_freem(m);
-			return (ENOBUFS);
-		}
-		MH_ALIGN(m0, sizeof (struct ip));
-		m0->m_flags = m->m_flags & M_COPYFLAGS;
-		m0->m_next = m;
-		m0->m_len = sizeof (struct ip);
-		m0->m_pkthdr.len = m0->m_len + m->m_len;
-		m->m_flags &= ~M_PKTHDR;
-	} else {
-		M_PREPEND(m, sizeof (struct ip), M_DONTWAIT);
-		if (m == 0)
-			return (ENOBUFS);
-	}
-	/*
-	 * Fill in IP header.
-	 */
-	ip = mtod(m, struct ip *);
-	*(long *)ip = 0;
-	ip->ip_p = IPPROTO_IDP;
-	ip->ip_src = ifn->ifen_src;
-	ip->ip_dst = ifn->ifen_dst;
-	ip->ip_len = (u_short)len + sizeof (struct ip);
-	ip->ip_ttl = MAXTTL;
-
-	/*
-	 * Output final datagram.
-	 */
-	error =  (ip_output(m, (struct mbuf *)0, ro, SO_BROADCAST, NULL));
-	if (error) {
-		ifn->ifen_ifnet.if_oerrors++;
-		ifn->ifen_ifnet.if_ierrors = error;
-	}
-	return (error);
-bad:
-	m_freem(m);
-	return (ENETUNREACH);
-}
-
-nsipstart(ifp)
-struct ifnet *ifp;
-{
-	panic("nsip_start called");
-}
-
-struct ifreq ifr = {"nsip0"};
-
-nsip_route(m)
-	register struct mbuf *m;
-{
-	register struct nsip_req *rq = mtod(m, struct nsip_req *);
-	struct sockaddr_ns *ns_dst = (struct sockaddr_ns *)&rq->rq_ns;
-	struct sockaddr_in *ip_dst = (struct sockaddr_in *)&rq->rq_ip;
-	struct route ro;
-	struct ifnet_en *ifn;
-	struct sockaddr_in *src;
-
-	/*
-	 * First, make sure we already have an ns address:
-	 */
-	if (ns_hosteqnh(ns_thishost, ns_zerohost))
-		return (EADDRNOTAVAIL);
-	/*
-	 * Now, determine if we can get to the destination
-	 */
-	bzero((caddr_t)&ro, sizeof (ro));
-	ro.ro_dst = *(struct sockaddr *)ip_dst;
-	rtalloc(&ro);
-	if (ro.ro_rt == 0 || ro.ro_rt->rt_ifp == 0) {
-		return (ENETUNREACH);
-	}
-
-	/*
-	 * And see how he's going to get back to us:
-	 * i.e., what return ip address do we use?
-	 */
-	{
-		register struct in_ifaddr *ia;
-		struct ifnet *ifp = ro.ro_rt->rt_ifp;
-
-		for (ia = in_ifaddr; ia; ia = ia->ia_next)
-			if (ia->ia_ifp == ifp)
-				break;
-		if (ia == 0)
-			ia = in_ifaddr;
-		if (ia == 0) {
-			RTFREE(ro.ro_rt);
-			return (EADDRNOTAVAIL);
-		}
-		src = (struct sockaddr_in *)&ia->ia_addr;
-	}
-
-	/*
-	 * Is there a free (pseudo-)interface or space?
-	 */
-	for (ifn = nsip_list; ifn; ifn = ifn->ifen_next) {
-		if ((ifn->ifen_ifnet.if_flags & IFF_UP) == 0)
-			break;
-	}
-	if (ifn == NULL)
-		ifn = nsipattach();
-	if (ifn == NULL) {
-		RTFREE(ro.ro_rt);
-		return (ENOBUFS);
-	}
-	ifn->ifen_route = ro;
-	ifn->ifen_dst =  ip_dst->sin_addr;
-	ifn->ifen_src = src->sin_addr;
-
-	/*
-	 * now configure this as a point to point link
-	 */
-	ifr.ifr_name[4] = '0' + nsipif.if_unit - 1;
-	ifr.ifr_dstaddr = * (struct sockaddr *) ns_dst;
-	(void)ns_control((struct socket *)0, (int)SIOCSIFDSTADDR, (caddr_t)&ifr,
-			(struct ifnet *)ifn);
-	satons_addr(ifr.ifr_addr).x_host = ns_thishost;
-	return (ns_control((struct socket *)0, (int)SIOCSIFADDR, (caddr_t)&ifr,
-			(struct ifnet *)ifn));
-}
-
-nsip_free(ifp)
-struct ifnet *ifp;
-{
-	register struct ifnet_en *ifn = (struct ifnet_en *)ifp;
-	struct route *ro = & ifn->ifen_route;
-
-	if (ro->ro_rt) {
-		RTFREE(ro->ro_rt);
-		ro->ro_rt = 0;
-	}
-	ifp->if_flags &= ~IFF_UP;
-	return (0);
-}
-
-nsip_ctlinput(cmd, sa)
-	int cmd;
-	struct sockaddr *sa;
-{
-	extern u_char inetctlerrmap[];
-	struct sockaddr_in *sin;
-	int in_rtchange();
-
-	if ((unsigned)cmd >= PRC_NCMDS)
-		return;
-	if (sa->sa_family != AF_INET && sa->sa_family != AF_IMPLINK)
-		return;
-	sin = (struct sockaddr_in *)sa;
-	if (sin->sin_addr.s_addr == INADDR_ANY)
-		return;
-
-	switch (cmd) {
-
-	case PRC_ROUTEDEAD:
-	case PRC_REDIRECT_NET:
-	case PRC_REDIRECT_HOST:
-	case PRC_REDIRECT_TOSNET:
-	case PRC_REDIRECT_TOSHOST:
-		nsip_rtchange(&sin->sin_addr);
-		break;
-	}
-}
-
-nsip_rtchange(dst)
-	register struct in_addr *dst;
-{
-	register struct ifnet_en *ifn;
-
-	for (ifn = nsip_list; ifn; ifn = ifn->ifen_next) {
-		if (ifn->ifen_dst.s_addr == dst->s_addr &&
-			ifn->ifen_route.ro_rt) {
-				RTFREE(ifn->ifen_route.ro_rt);
-				ifn->ifen_route.ro_rt = 0;
-		}
-	}
-}
-#endif