diff --git a/sys/net/if.c b/sys/net/if.c
index 5d67e49a849e..e73fdb6b6bf1 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)if.c	8.3 (Berkeley) 1/4/94
- * $Id: if.c,v 1.29 1996/03/11 15:13:00 davidg Exp $
+ * $Id: if.c,v 1.30 1996/06/05 17:12:41 wollman Exp $
  */
 
 #include <sys/param.h>
@@ -115,6 +115,7 @@ if_attach(ifp)
 		p = &((*p)->if_next);
 	*p = ifp;
 	ifp->if_index = ++if_index;
+	ifp->if_lastchange = time;
 	if (ifnet_addrs == 0 || if_index >= if_indexlim) {
 		unsigned n = (if_indexlim <<= 1) * sizeof(ifa);
 		struct ifaddr **q = (struct ifaddr **)
@@ -356,6 +357,7 @@ if_down(ifp)
 	register struct ifaddr *ifa;
 
 	ifp->if_flags &= ~IFF_UP;
+	ifp->if_lastchange = time;
 	for (ifa = ifp->if_addrlist; ifa; ifa = ifa->ifa_next)
 		pfctlinput(PRC_IFDOWN, ifa->ifa_addr);
 	if_qflush(&ifp->if_snd);
@@ -373,6 +375,7 @@ if_up(ifp)
 {
 
 	ifp->if_flags |= IFF_UP;
+	ifp->if_lastchange = time;
 #ifdef notyet
 	register struct ifaddr *ifa;
 	/* this has no effect on IP, and will kill all iso connections XXX */
@@ -525,6 +528,7 @@ ifioctl(so, cmd, data, p)
 			(ifr->ifr_flags &~ IFF_CANTCHANGE);
 		if (ifp->if_ioctl)
 			(void) (*ifp->if_ioctl)(ifp, cmd, data);
+		ifp->if_lastchange = time;
 		break;
 
 	case SIOCSIFMETRIC:
@@ -532,14 +536,19 @@ ifioctl(so, cmd, data, p)
 		if (error)
 			return (error);
 		ifp->if_metric = ifr->ifr_metric;
+		ifp->if_lastchange = time;
 		break;
 
 	case SIOCSIFPHYS:
 		error = suser(p->p_ucred, &p->p_acflag);
-		if (error) return error;
-
-		if (!ifp->if_ioctl) return EOPNOTSUPP;
-		return ifp->if_ioctl(ifp, cmd, data);
+		if (error)
+		        return error;
+		if (!ifp->if_ioctl)
+		        return EOPNOTSUPP;
+		error = (*ifp->if_ioctl)(ifp, cmd, data);
+		if (error == 0)
+			ifp->if_lastchange = time;
+		return(error);
 
 	case SIOCSIFMTU:
 		error = suser(p->p_ucred, &p->p_acflag);
@@ -553,7 +562,10 @@ ifioctl(so, cmd, data, p)
 		 */
 		if (ifr->ifr_mtu < 72 || ifr->ifr_mtu > 65535)
 			return (EINVAL);
-		return ((*ifp->if_ioctl)(ifp, cmd, data));
+		error = (*ifp->if_ioctl)(ifp, cmd, data);
+		if (error == 0)
+			ifp->if_lastchange = time;
+		return(error);
 
 	case SIOCADDMULTI:
 	case SIOCDELMULTI:
@@ -562,7 +574,10 @@ ifioctl(so, cmd, data, p)
 			return (error);
 		if (ifp->if_ioctl == NULL)
 			return (EOPNOTSUPP);
-		return ((*ifp->if_ioctl)(ifp, cmd, data));
+		error = (*ifp->if_ioctl)(ifp, cmd, data);
+		if (error == 0 )
+		    	ifp->if_lastchange = time;
+		return(error);
 
 	default:
 		if (so->so_proto == 0)
diff --git a/sys/net/if.h b/sys/net/if.h
index 16a731cefec2..0827f506bad5 100644
--- a/sys/net/if.h
+++ b/sys/net/if.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)if.h	8.1 (Berkeley) 6/10/93
- * $Id: if.h,v 1.27 1996/01/26 22:09:54 wollman Exp $
+ * $Id: if.h,v 1.28 1996/02/06 18:51:10 wollman Exp $
  */
 
 #ifndef _NET_IF_H_
@@ -100,7 +100,7 @@ struct if_data {
 	u_long	ifi_omcasts;		/* packets sent via multicast */
 	u_long	ifi_iqdrops;		/* dropped on input, this interface */
 	u_long	ifi_noproto;		/* destined for unsupported protocol */
-	struct	timeval ifi_lastchange;	/* last updated */
+	struct	timeval ifi_lastchange;	/* time of last administrative change */
 };
 
 /*
diff --git a/sys/net/if_disc.c b/sys/net/if_disc.c
index ffbcbec983ea..ee080414ffa1 100644
--- a/sys/net/if_disc.c
+++ b/sys/net/if_disc.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	From: @(#)if_loop.c	8.1 (Berkeley) 6/10/93
- *	$Id: if_disc.c,v 1.11 1996/02/06 18:51:11 wollman Exp $
+ *	$Id: if_disc.c,v 1.12 1996/04/07 17:39:03 bde Exp $
  */
 
 /*
@@ -118,7 +118,6 @@ dsoutput(ifp, m, dst, rt)
 {
 	if ((m->m_flags & M_PKTHDR) == 0)
 		panic("dsoutput no HDR");
-	ifp->if_lastchange = time;
 #if NBPFILTER > 0
 	/* BPF write needs to be handled specially */
 	if (dst->sa_family == AF_UNSPEC) {
diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c
index 1c9ddb867f6d..7421541713ef 100644
--- a/sys/net/if_ethersubr.c
+++ b/sys/net/if_ethersubr.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)if_ethersubr.c	8.1 (Berkeley) 6/10/93
- * $Id: if_ethersubr.c,v 1.16 1996/05/24 01:35:08 julian Exp $
+ * $Id: if_ethersubr.c,v 1.17 1996/06/01 23:23:54 gpalmer Exp $
  */
 
 #include <sys/param.h>
@@ -129,7 +129,6 @@ ether_output(ifp, m0, dst, rt0)
 
 	if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
 		senderr(ENETDOWN);
-	ifp->if_lastchange = time;
 	rt = rt0;
 	if (rt) {
 		if ((rt->rt_flags & RTF_UP) == 0) {
@@ -388,7 +387,6 @@ ether_input(ifp, eh, m)
 		m_freem(m);
 		return;
 	}
-	ifp->if_lastchange = time;
 	ifp->if_ibytes += m->m_pkthdr.len + sizeof (*eh);
 	if (bcmp((caddr_t)etherbroadcastaddr, (caddr_t)eh->ether_dhost,
 	    sizeof(etherbroadcastaddr)) == 0)
@@ -620,7 +618,7 @@ ether_addmulti(ifr, ac)
 	struct sockaddr_in *sin;
 	u_char addrlo[6];
 	u_char addrhi[6];
-      int set_allmulti = 0;
+        int set_allmulti = 0;
 	int s = splimp();
 
 	switch (ifr->ifr_addr.sa_family) {
@@ -691,8 +689,8 @@ ether_addmulti(ifr, ac)
 	ac->ac_multiaddrs = enm;
 	ac->ac_multicnt++;
 	splx(s);
-      if (set_allmulti)
-              ac->ac_if.if_flags |= IFF_ALLMULTI;
+        if (set_allmulti)
+        	ac->ac_if.if_flags |= IFF_ALLMULTI;
 
 	/*
 	 * Return ENETRESET to inform the driver that the list has changed
diff --git a/sys/net/if_fddisubr.c b/sys/net/if_fddisubr.c
index 0d9ebabe1e5c..7b807358292b 100644
--- a/sys/net/if_fddisubr.c
+++ b/sys/net/if_fddisubr.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	from: if_ethersubr.c,v 1.5 1994/12/13 22:31:45 wollman Exp
- * $Id: if_fddisubr.c,v 1.7 1996/04/07 17:39:04 bde Exp $
+ * $Id: if_fddisubr.c,v 1.8 1996/06/01 23:23:55 gpalmer Exp $
  */
 
 #include <sys/param.h>
@@ -132,7 +132,6 @@ fddi_output(ifp, m0, dst, rt0)
 
 	if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
 		senderr(ENETDOWN);
-	ifp->if_lastchange = time;
 	if (rt = rt0) {
 		if ((rt->rt_flags & RTF_UP) == 0) {
 			if (rt0 = rt = RTALLOC1(dst, 1))
@@ -400,7 +399,6 @@ fddi_input(ifp, fh, m)
 		m_freem(m);
 		return;
 	}
-	ifp->if_lastchange = time;
 	ifp->if_ibytes += m->m_pkthdr.len + sizeof (*fh);
 	if (bcmp((caddr_t)fddibroadcastaddr, (caddr_t)fh->fddi_dhost,
 	    sizeof(fddibroadcastaddr)) == 0)
diff --git a/sys/net/if_loop.c b/sys/net/if_loop.c
index acbc82287a66..dfe22e1729ce 100644
--- a/sys/net/if_loop.c
+++ b/sys/net/if_loop.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)if_loop.c	8.1 (Berkeley) 6/10/93
- * $Id: if_loop.c,v 1.19 1996/04/07 17:39:06 bde Exp $
+ * $Id: if_loop.c,v 1.20 1996/05/24 01:35:10 julian Exp $
  */
 
 /*
@@ -137,7 +137,6 @@ looutput(ifp, m, dst, rt)
 
 	if ((m->m_flags & M_PKTHDR) == 0)
 		panic("looutput no HDR");
-	ifp->if_lastchange = time;
 #if NBPFILTER > 0
 	/* BPF write needs to be handled specially */
 	if (dst->sa_family == AF_UNSPEC) {
diff --git a/sys/net/if_ppp.c b/sys/net/if_ppp.c
index d1022d384c89..c1ba804a452c 100644
--- a/sys/net/if_ppp.c
+++ b/sys/net/if_ppp.c
@@ -69,7 +69,7 @@
  * Paul Mackerras (paulus@cs.anu.edu.au).
  */
 
-/* $Id: if_ppp.c,v 1.32 1996/04/07 17:39:08 bde Exp $ */
+/* $Id: if_ppp.c,v 1.33 1996/04/13 12:45:33 bde Exp $ */
 /* from if_ppp.c,v 1.5 1995/08/16 01:36:38 paulus Exp */
 /* from if_sl.c,v 1.11 84/10/04 12:54:47 rick Exp */
 
@@ -258,6 +258,7 @@ pppdealloc(sc)
 
     if_down(&sc->sc_if);
     sc->sc_if.if_flags &= ~(IFF_UP|IFF_RUNNING);
+    sc->sc_if.if_lastchange = time;
     sc->sc_devp = NULL;
     sc->sc_xfer = 0;
     for (;;) {
@@ -737,7 +738,6 @@ pppoutput(ifp, m0, dst, rtp)
 	IF_ENQUEUE(ifq, m0);
 	(*sc->sc_start)(sc);
     }
-    sc->sc_if.if_lastchange = time;
 
     splx(s);
     return (0);
@@ -1152,7 +1152,6 @@ ppp_inproc(sc, m)
     u_int hlen;
 
     sc->sc_if.if_ipackets++;
-    sc->sc_if.if_lastchange = time;
 
     if (sc->sc_flags & SC_LOG_INPKT) {
 	printf("ppp%d: got %d bytes\n", sc->sc_if.if_unit, ilen);
diff --git a/sys/net/if_sl.c b/sys/net/if_sl.c
index e69bc54a793a..3cf39f3cfec2 100644
--- a/sys/net/if_sl.c
+++ b/sys/net/if_sl.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)if_sl.c	8.6 (Berkeley) 2/1/94
- * $Id: if_sl.c,v 1.40 1996/05/13 14:09:34 ache Exp $
+ * $Id: if_sl.c,v 1.41 1996/05/13 14:18:18 ache Exp $
  */
 
 /*
@@ -302,6 +302,7 @@ slopen(dev, tp)
 
 			s = splnet();
 			if_up(&sc->sc_if);
+			sc->sc_if.if_lastchange = time;
 			splx(s);
 			return (0);
 		}
@@ -487,7 +488,6 @@ sloutput(ifp, m, dst, rtp)
 		return (ENOBUFS);
 	}
 	IF_ENQUEUE(ifq, m);
-	sc->sc_if.if_lastchange = time;
 	if (sc->sc_ttyp->t_outq.c_cc == 0)
 		slstart(sc->sc_ttyp);
 	splx(s);
@@ -595,7 +595,6 @@ slstart(tp)
 			bpf_tap(&sc->sc_if, bpfbuf, len + SLIP_HDRLEN);
 		}
 #endif
-		sc->sc_if.if_lastchange = time;
 
 		/*
 		 * If system is getting low on clists, just flush our
@@ -877,7 +876,6 @@ slinput(c, tp)
 			goto error;
 
 		sc->sc_if.if_ipackets++;
-		sc->sc_if.if_lastchange = time;
 
 		if ((sc->sc_if.if_flags & IFF_UP) == 0) {
 			m_freem(m);
diff --git a/sys/net/if_spppsubr.c b/sys/net/if_spppsubr.c
index b7ab6abff2e7..b6bee56fc0f8 100644
--- a/sys/net/if_spppsubr.c
+++ b/sys/net/if_spppsubr.c
@@ -201,7 +201,6 @@ void sppp_input (struct ifnet *ifp, struct mbuf *m)
 	struct ifqueue *inq = 0;
 	int s;
 
-	ifp->if_lastchange = time;
 	if (ifp->if_flags & IFF_UP)
 		/* Count received bytes, add FCS and one flag */
 		ifp->if_ibytes += m->m_pkthdr.len + 3;
@@ -470,7 +469,6 @@ sppp_output (struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst, struct rte
 	 * according to RFC 1333.
 	 */
 	ifp->if_obytes += m->m_pkthdr.len + 3;
-	ifp->if_lastchange = time;
 	splx (s);
 	return (0);
 }
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c
index 972b6fede427..7efab599768f 100644
--- a/sys/net/if_tun.c
+++ b/sys/net/if_tun.c
@@ -104,9 +104,10 @@ tunattach(dummy)
 	struct ifnet *ifp;
 	dev_t dev;
 
-	if( tun_devsw_installed ) return;
+	if ( tun_devsw_installed )
+		return;
 	dev = makedev(CDEV_MAJOR, 0);
-	cdevsw_add(&dev,&tun_cdevsw, NULL);
+	cdevsw_add(&dev, &tun_cdevsw, NULL);
 	tun_devsw_installed = 1;
 	for ( i = 0; i < NTUN; i++ ) {
 #ifdef DEVFS
@@ -193,6 +194,7 @@ tunclose(dev_t dev, int foo, int bar, struct proc *p)
 	if (ifp->if_flags & IFF_UP) {
 		s = splimp();
 		if_down(ifp);
+		ifp->if_lastchange = time;
 		if (ifp->if_flags & IFF_RUNNING) {
 		    /* find internet addresses and delete routes */
 		    register struct ifaddr *ifa;
@@ -223,6 +225,7 @@ tuninit(unit)
 	TUNDEBUG("%s%d: tuninit\n", ifp->if_name, ifp->if_unit);
 
 	ifp->if_flags |= IFF_UP | IFF_RUNNING;
+	ifp->if_lastchange = time;
 
 	for (ifa = ifp->if_addrlist; ifa; ifa = ifa->ifa_next)
 		if (ifa->ifa_addr->sa_family == AF_INET) {
diff --git a/sys/net/ppp_tty.c b/sys/net/ppp_tty.c
index cc46cf8fcf15..5915310d2a8e 100644
--- a/sys/net/ppp_tty.c
+++ b/sys/net/ppp_tty.c
@@ -70,7 +70,7 @@
  * Paul Mackerras (paulus@cs.anu.edu.au).
  */
 
-/* $Id: ppp_tty.c,v 1.4 1995/12/14 09:53:20 phk Exp $ */
+/* $Id: ppp_tty.c,v 1.5 1996/01/24 21:09:25 phk Exp $ */
 /* from Id: ppp_tty.c,v 1.3 1995/08/16 01:36:40 paulus Exp */
 /* from if_sl.c,v 1.11 84/10/04 12:54:47 rick Exp */
 
@@ -248,6 +248,7 @@ pppopen(dev, tp)
     sc->sc_outm = NULL;
     pppgetm(sc);
     sc->sc_if.if_flags |= IFF_RUNNING;
+    sc->sc_if.if_lastchange = time;
     sc->sc_if.if_baudrate = tp->t_ospeed;
 
     tp->t_sc = (caddr_t) sc;
@@ -669,7 +670,6 @@ pppstart(tp)
 
 	    /* Calculate the FCS for the first mbuf's worth. */
 	    sc->sc_outfcs = pppfcs(PPP_INITFCS, mtod(m, u_char *), m->m_len);
-	    sc->sc_if.if_lastchange = time;
 	}
 
 	for (;;) {