/*---------------------------------------------------------------------------*
* L3 FSM some states event RELEASE COMPLETE from L2
*---------------------------------------------------------------------------*/
static void F_RELCP(call_desc_t *cd)
{
NDBGL3(L3_F_MSG, "FSM function F_RELCP executing");
i4b_l3_stop_all_timers(cd);
i4b_l4_disconnect_ind(cd);
freecd_by_cd(cd);
}
/*---------------------------------------------------------------------------*
* L3 FSM some states event RELEASE from L2
*---------------------------------------------------------------------------*/
static void F_REL(call_desc_t *cd)
{
NDBGL3(L3_F_MSG, "FSM function F_REL executing");
i4b_l3_stop_all_timers(cd);
i4b_l3_tx_release_complete(cd, 0);
i4b_l4_disconnect_ind(cd);
freecd_by_cd(cd);
}
/*---------------------------------------------------------------------------*
* L3 FSM some states event DISCONNECT from L2
*---------------------------------------------------------------------------*/
static void F_DISC(call_desc_t *cd)
{
NDBGL3(L3_F_MSG, "FSM function F_DISC executing");
i4b_l3_stop_all_timers(cd);
/*
* no disconnect ind to L4, no jump to state U12
* instead we issue a RELEASE and jump to U19
*/
i4b_l3_tx_release(cd, 0);
cd->T308_first_to = 1;
T308_start(cd);
cd->Q931state = ST_U19;
}
/*---------------------------------------------------------------------------*
* i4b_mdl_status_ind - status indication from lower layers
*---------------------------------------------------------------------------*/
int
i4b_mdl_status_ind(struct isdn_l3_driver *d, int status, int parm)
{
int sendup, update_leds = 0;
int i;
NDBGL3(L3_MSG, "isdnif = %d, status = %d, parm = %d",
d->isdnif, status, parm);
switch(status)
{
case STI_ATTACH:
if (parm) {
NDBGL3(L3_MSG, "STI_ATTACH: attaching isdnif %d", d->isdnif);
} else {
NDBGL3(L3_MSG, "STI_ATTACH: dettaching isdnif %d", d->isdnif);
}
break;
case STI_L1STAT:
i4b_l4_l12stat(d, 1, parm);
update_leds = 1;
NDBGL3(L3_MSG, "STI_L1STAT: isdnif %d layer 1 = %s", d->isdnif, status ? "up" : "down");
break;
case STI_L2STAT:
i4b_l4_l12stat(d, 2, parm);
update_leds = 1;
NDBGL3(L3_MSG, "STI_L2STAT: isdnif %d layer 2 = %s", d->isdnif, status ? "up" : "down");
break;
case STI_TEIASG:
d->tei = parm;
i4b_l4_teiasg(d, parm);
update_leds = 1;
NDBGL3(L3_MSG, "STI_TEIASG: isdnif %d TEI = %d = 0x%02x", d->isdnif, parm, parm);
break;
case STI_PDEACT: /* L1 T4 timeout */
NDBGL3(L3_ERR, "STI_PDEACT: isdnif %d TEI = %d = 0x%02x", d->isdnif, parm, parm);
update_leds = 1;
sendup = 0;
for(i=0; i < num_call_desc; i++)
{
if(call_desc[i].isdnif == d->isdnif)
{
i4b_l3_stop_all_timers(&(call_desc[i]));
if(call_desc[i].cdid != CDID_UNUSED) {
sendup++;
call_desc[i].cdid = CDID_UNUSED;
}
}
}
d->dl_est = DL_DOWN;
for (i = 0; i < d->nbch; i++)
d->bch_state[i] = BCH_ST_FREE;
d->tei = -1;
if(sendup)
{
i4b_l4_pdeact(d, sendup);
}
break;
case STI_NOL1ACC: /* no outgoing access to S0 */
NDBGL3(L3_ERR, "STI_NOL1ACC: isdnif %d no outgoing access to S0", d->isdnif);
update_leds = 1;
for(i=0; i < num_call_desc; i++)
{
if(call_desc[i].isdnif == d->isdnif)
{
if(call_desc[i].cdid != CDID_UNUSED)
{
SET_CAUSE_TYPE(call_desc[i].cause_in, CAUSET_I4B);
SET_CAUSE_VAL(call_desc[i].cause_in, CAUSE_I4B_L1ERROR);
i4b_l4_disconnect_ind(&(call_desc[i]));
}
}
}
d->dl_est = DL_DOWN;
for (i = 0; i < d->nbch; i++)
d->bch_state[i] = BCH_ST_FREE;
d->tei = -1;
break;
default:
NDBGL3(L3_ERR, "ERROR, isdnif %d, unknown status value %d!", d->isdnif, status);
break;
}
if (update_leds && d != NULL)
update_controller_leds(d);
return(0);
}
