/*
* if_ppp.c - a network interface connected to a STREAMS module.
*
- * Copyright (c) 1994 The Australian National University.
- * All rights reserved.
+ * Copyright (c) 1994 Paul Mackerras. All rights reserved.
*
- * Permission to use, copy, modify, and distribute this software and its
- * documentation is hereby granted, provided that the above copyright
- * notice appears in all copies. This software is provided without any
- * warranty, express or implied. The Australian National University
- * makes no representations about the suitability of this software for
- * any purpose.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
*
- * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
- * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
- * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
*
- * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
- * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
- * OR MODIFICATIONS.
+ * 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.
*
- * $Id: if_ppp.c,v 1.12 1999/03/31 06:07:58 paulus Exp $
+ * 3. The name(s) of the authors of this software must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission.
+ *
+ * 4. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Paul Mackerras
+ * <paulus@samba.org>".
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * $Id: if_ppp.c,v 1.18 2002/12/06 09:49:15 paulus Exp $
*/
/*
#define ifr_mtu ifr_metric
-static int if_ppp_open __P((queue_t *, int, int, int));
-static int if_ppp_close __P((queue_t *, int));
-static int if_ppp_wput __P((queue_t *, mblk_t *));
-static int if_ppp_rput __P((queue_t *, mblk_t *));
+static int if_ppp_open(queue_t *, int, int, int);
+static int if_ppp_close(queue_t *, int);
+static int if_ppp_wput(queue_t *, mblk_t *);
+static int if_ppp_rput(queue_t *, mblk_t *);
#define PPP_IF_ID 0x8021
static struct module_info minfo = {
static struct ifnet **ifs; /* Array of pointers to interface structs */
static if_ppp_t **states; /* Array of pointers to state structs */
-static int if_ppp_output __P((struct ifnet *, struct mbuf *,
- struct sockaddr *));
-static int if_ppp_ioctl __P((struct ifnet *, u_int, caddr_t));
-static struct mbuf *make_mbufs __P((mblk_t *, int));
-static mblk_t *make_message __P((struct mbuf *, int));
+static int if_ppp_output(struct ifnet *, struct mbuf *,
+ struct sockaddr *);
+static int if_ppp_ioctl(struct ifnet *, u_int, caddr_t);
+static struct mbuf *make_mbufs(mblk_t *, int);
+static mblk_t *make_message(struct mbuf *, int);
#ifdef SNIT_SUPPORT
/* Fake ether header for SNIT */
#endif
#ifndef __osf__
-static void ppp_if_detach __P((struct ifnet *));
+static void ppp_if_detach(struct ifnet *);
/*
* Detach all the interfaces before unloading.
ifp->if_unit = unit;
ifp->if_mtu = PPP_MTU;
ifp->if_flags = IFF_POINTOPOINT | IFF_RUNNING;
+#ifndef __osf__
#ifdef IFF_MULTICAST
ifp->if_flags |= IFF_MULTICAST;
#endif
+#endif /* __osf__ */
ifp->if_output = if_ppp_output;
#ifdef __osf__
- ifp->if_version = "Point-to-Point Protocol, version 2.3.7";
+ ifp->if_version = "Point-to-Point Protocol, version 2.3.11";
ifp->if_mediamtu = PPP_MTU;
ifp->if_type = IFT_PPP;
ifp->if_hdrlen = PPP_HDRLEN;
int s, error;
struct ifreq *ifr = (struct ifreq *) data;
struct ifaddr *ifa = (struct ifaddr *) data;
+ u_short mtu;
error = 0;
s = splimp();
case SIOCSIFMTU:
if ((error = NOTSUSER()) != 0)
break;
+#ifdef __osf__
+ /* this hack is necessary because ifioctl checks ifr_data
+ * in 4.0 and 5.0, but ifr_data and ifr_metric overlay each
+ * other in the definition of struct ifreq so pppd can't set both.
+ */
+ bcopy(ifr->ifr_data, &mtu, sizeof (u_short));
+ ifr->ifr_mtu = mtu;
+#endif
+
if (ifr->ifr_mtu < PPP_MINMTU || ifr->ifr_mtu > PPP_MAXMTU) {
error = EINVAL;
break;
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