Add ``ipcp'' as an optional argument to ``open'', and make

open capable of re-negotiatiating the various layers.

It is now possible to change various link options and then
re-open the relevant layer, making the changes effective -
for example, switching off VJ compression or starting ECHO
LQRs on-the-fly.

1 files changed, 13 insertions, 1 deletions

diff --git a/usr.sbin/ppp/fsm.c b/usr.sbin/ppp/fsm.c
index 4174650..0ca6065 100644
--- a/usr.sbin/ppp/fsm.c
+++ b/usr.sbin/ppp/fsm.c
@@ -17,7 +17,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- * $Id: fsm.c,v 1.31 1998/06/20 00:19:36 brian Exp $
+ * $Id: fsm.c,v 1.32 1998/06/20 01:55:28 brian Exp $
  *
  *  TODO:
  */
@@ -959,6 +959,18 @@ fsm_NullRecvResetAck(struct fsm *fp, u_char id)
 }
 
 void
+fsm_Reopen(struct fsm *fp)
+{
+  if (fp->state == ST_OPENED) {
+    (*fp->fn->LayerDown)(fp);
+    FsmInitRestartCounter(fp);
+    FsmSendConfigReq(fp);
+    NewState(fp, ST_REQSENT);
+    (*fp->parent->LayerDown)(fp->parent->object, fp);
+  }
+}
+
+void
 fsm2initial(struct fsm *fp)
 {
   if (fp->state == ST_STOPPED)