using idle_time_limit from ppp_settings

src/netif/ppp/auth.c

@@ -1219,7 +1219,7 @@ np_up(unit, proto)
 	    tlim = (*idle_time_hook)(NULL);
 	else
 #endif /* UNUSED */
-	    tlim = idle_time_limit;
+	    tlim = ppp_settings.idle_time_limit;
 	if (tlim > 0)
 	    TIMEOUT(check_idle, NULL, tlim);
 
@@ -1336,7 +1336,7 @@ check_idle(arg)
     } else {
 #endif /* UNUSED */
 	itime = LWIP_MIN(idle.xmit_idle, idle.recv_idle);
-	tlim = idle_time_limit - itime;
+	tlim = ppp_settings.idle_time_limit - itime;
 #if 0 /* UNUSED */
     }
 #endif /* UNUSED */

src/netif/ppp/options.c

@@ -108,9 +108,7 @@ bool	demand = 0;		/* do dial-on-demand */
 #endif /* DEMAND_SUPPORT */
 #if 0
 char	*ipparam = NULL;	/* Extra parameter for ip up/down scripts */
-#endif
 int	idle_time_limit = 0;	/* Disconnect if idle for this many seconds */
-#if 0
 int	holdoff = 30;		/* # seconds to pause before reconnecting */
 bool	holdoff_specified;	/* true if a holdoff value has been given */
 int	log_to_fd = 1;		/* send log messages to this fd too */

src/netif/ppp/ppp_impl.h

@@ -434,7 +434,7 @@ struct ppp_settings {
   u_int  usepeerdns        : 1;       /* Ask peer for DNS adds */
   u_int  persist           : 1;       /* Persist mode, always try to reopen the connection */
 
-  u_short idle_time_limit;            /* Shut down link if idle for this long */
+  u_short idle_time_limit;	      /* Disconnect if idle for this many seconds */
   int  maxconnect;                    /* Maximum connect time (seconds) */
 
   char user       [MAXNAMELEN   + 1]; /* Username for PAP */