/*---------------------------------------------------------------------------* * 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); }