X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fmultilink.c;h=dd6d23f699496420221230d49e3d63c0354c4733;hb=0d3f05cc3d0a1cf631778296065ce9c158dd9c0e;hp=cb6bd106d1061e72d081741cfc4c134a06200df6;hpb=0ee3b432e6ff5fabcddb8ea4e234f3efc44ba09d;p=ppp.git

diff --git a/pppd/multilink.c b/pppd/multilink.c
index cb6bd10..dd6d23f 100644
--- a/pppd/multilink.c
+++ b/pppd/multilink.c
@@ -1,17 +1,31 @@
 /*
  * multilink.c - support routines for multilink.
  *
- * Copyright (c) 2000 Paul Mackerras.
- * All rights reserved.
+ * Copyright (c) 2000-2002 Paul Mackerras. All rights reserved.
  *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms.  The name of the author may not be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * 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. 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.
+ *
+ * 3. 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.
  */
 #include <string.h>
 #include <ctype.h>
@@ -71,9 +85,6 @@ mp_check_options()
 	if (!wo->neg_endpoint && !noendpoint) {
 		/* get a default endpoint value */
 		wo->neg_endpoint = get_default_epdisc(&wo->endpoint);
-		if (wo->neg_endpoint)
-			dbglog("using default endpoint %s",
-			       epdisc_to_str(&wo->endpoint));
 	}
 }
 
@@ -86,8 +97,9 @@ mp_join_bundle()
 {
 	lcp_options *go = &lcp_gotoptions[0];
 	lcp_options *ho = &lcp_hisoptions[0];
+	lcp_options *ao = &lcp_allowoptions[0];
 	int unit, pppd_pid;
-	int l;
+	int l, mtu;
 	char *p;
 	TDB_DATA key, pid, rec;
 
@@ -95,13 +107,18 @@ mp_join_bundle()
 		/* not doing multilink */
 		if (go->neg_mrru)
 			notice("oops, multilink negotiated only for receive");
+		mtu = ho->neg_mru? ho->mru: PPP_MRU;
+		if (mtu > ao->mru)
+			mtu = ao->mru;
 		if (demand) {
 			/* already have a bundle */
 			cfg_bundle(0, 0, 0, 0);
+			netif_set_mtu(0, mtu);
 			return 0;
 		}
 		make_new_bundle(0, 0, 0, 0);
 		set_ifunit(1);
+		netif_set_mtu(0, mtu);
 		return 0;
 	}
 
@@ -134,8 +151,10 @@ mp_join_bundle()
 	 * For demand mode, we only need to configure the bundle
 	 * and attach the link.
 	 */
+	mtu = MIN(ho->mrru, ao->mru);
 	if (demand) {
 		cfg_bundle(go->mrru, ho->mrru, go->neg_ssnhf, ho->neg_ssnhf);
+		netif_set_mtu(0, mtu);
 		script_setenv("BUNDLE", bundle_id + 7, 1);
 		return 0;
 	}
@@ -179,6 +198,7 @@ mp_join_bundle()
 	/* we have to make a new bundle */
 	make_new_bundle(go->mrru, ho->mrru, go->neg_ssnhf, ho->neg_ssnhf);
 	set_ifunit(1);
+	netif_set_mtu(0, mtu);
 	script_setenv("BUNDLE", bundle_id + 7, 1);
 	tdb_writeunlock(pppdb);
 	info("New bundle %s created", ifname);