/* This function is called when carrier is lost on the PPP channel. */
void pppSigHUP(int pd)
{
PPPControl *pc = &pppControl[pd];
pc->sig_hup = 1;
pppMainWakeup(pd);
}
/*
* LCP has terminated the link; go to the Dead phase and take the
* physical layer down.
*/
void link_terminated(int unit)
{
AUTHDEBUG((LOG_INFO, "link_terminated: %d\n", unit));
if (lcp_phase[unit] == PHASE_DEAD)
return;
if (logged_in)
logout();
lcp_phase[unit] = PHASE_DEAD;
ppp_trace(LOG_NOTICE, "Connection terminated.\n");
pppMainWakeup(unit);
}
/* Close a PPP connection and release the descriptor.
* Any outstanding packets in the queues are dropped.
* Return 0 on success, an error code on failure. */
int pppClose(int pd)
{
PPPControl *pc = &pppControl[pd];
int st = 0;
/* Disconnect */
pc->kill_link = !0;
pppMainWakeup(pd);
if(!pc->linkStatusCB) {
while(st >= 0 && lcp_phase[pd] != PHASE_DEAD) {
sys_msleep(500);
break;
}
}
return st;
}
/*
* LCP has gone down; it will either die or try to re-establish.
*/
void link_down(int unit)
{
int i;
struct protent *protp;
AUTHDEBUG((LOG_INFO, "link_down: %d\n", unit));
if (did_authup) {
/* XXX Do link down processing. */
did_authup = 0;
}
for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
if (!protp->enabled_flag)
continue;
if (protp->protocol != PPP_LCP && protp->lowerdown != NULL)
(*protp->lowerdown)(unit);
if (protp->protocol < 0xC000 && protp->close != NULL)
(*protp->close)(unit, "LCP down");
}
num_np_open = 0;
num_np_up = 0;
if (lcp_phase[unit] != PHASE_DEAD)
lcp_phase[unit] = PHASE_TERMINATE;
pppMainWakeup(unit);
}
