- fsm_close(&lcp_fsm[unit]);
-}
-
-#ifdef _linux_
-static void IdleTimeCheck __P((caddr_t));
-
-/*
- * Timer expired for the LCP echo requests from this process.
- */
-
-static void
-RestartIdleTimer (f)
- fsm *f;
-{
- u_long delta;
- struct ppp_ddinfo ddinfo;
- u_long latest;
-/*
- * Read the time since the last packet was received.
- */
- if (ioctl (fd, PPPIOCGTIME, &ddinfo) < 0) {
- syslog (LOG_ERR, "ioctl(PPPIOCGTIME): %m");
- die (1);
- }
-/*
- * Choose the most recient IP activity. It may be a read or write frame
- */
- latest = ddinfo.ip_sjiffies < ddinfo.ip_rjiffies ? ddinfo.ip_sjiffies
- : ddinfo.ip_rjiffies;
-/*
- * Compute the time since the last packet was received. If the timer
- * has expired then send the echo request and reset the timer to maximum.
- */
- delta = (idle_time_limit * HZ) - latest;
- if (((int) delta < HZ || (int) latest < 0L) && f->state == OPENED) {
- syslog (LOG_NOTICE, "No IP frames exchanged within idle time limit");
- lcp_close(f->unit); /* Reset connection */
- phase = PHASE_TERMINATE; /* Mark it down */
- } else {
- delta = (delta + HZ - 1) / HZ;
- if (delta == 0)
- delta = (u_long) idle_time_limit;
- assert (idle_timer_running==0);
- TIMEOUT (IdleTimeCheck, (caddr_t) f, delta);
- idle_timer_running = 1;
- }