Change the use if ifnet.if_lastchange to be more in line with

SNMP requirements. Update description of ifnet.if_lastchange in if.h
to indicate this.

1 files changed, 22 insertions, 7 deletions

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)