callc.c

arm平台上的uclinux系统全部源代码

	} else {
		chanp->d_st->lli.l4l3(chanp->d_st, CC_IGNORE | REQUEST, chanp->proc);
		chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan);
		FsmChangeState(fi, ST_NULL);
		if (test_bit(FLG_ESTAB_D, &chanp->Flags) &&
			!test_bit(FLG_PTP, &chanp->d_st->l2.flag))
			FsmRestartTimer(&chanp->drel_timer, DREL_TIMER_VALUE, EV_SHUTDOWN_D, NULL, 62);
	}
}

static void
lli_establish_d(struct FsmInst *fi, int event, void *arg)
{
	/* This establish the D-channel for pending L3 messages
	 * without blocking the channel
	 */
	struct Channel *chanp = fi->userdata;

	test_and_set_bit(FLG_DO_ESTAB, &chanp->Flags);
	FsmChangeState(fi, ST_IN_WAIT_D);
	test_and_set_bit(FLG_START_D, &chanp->Flags);
	chanp->d_st->lli.l4l3(chanp->d_st, DL_ESTABLISH | REQUEST, NULL);
}

static void
lli_do_action(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;

	test_and_set_bit(FLG_ESTAB_D, &chanp->Flags);
	if (chanp->leased) {
		FsmChangeState(fi, ST_IN_WAIT_CONN_ACK);
		test_and_clear_bit(FLG_DO_ALERT, &chanp->Flags);
		test_and_clear_bit(FLG_DO_CONNECT, &chanp->Flags);
		FsmEvent(&chanp->fi, EV_SETUP_CMPL_IND, NULL);
	} else if (test_and_clear_bit(FLG_DO_CONNECT, &chanp->Flags) &&
		!test_bit(FLG_DO_HANGUP, &chanp->Flags)) {
		FsmChangeState(fi, ST_IN_WAIT_CONN_ACK);
		test_and_clear_bit(FLG_DO_ALERT, &chanp->Flags);
		chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | RESPONSE, chanp->proc);
	} else if (test_and_clear_bit(FLG_DO_ALERT, &chanp->Flags)) {
		if (test_bit(FLG_DO_HANGUP, &chanp->Flags))
			FsmRestartTimer(&chanp->drel_timer, 40, EV_HANGUP, NULL, 63);
		FsmChangeState(fi, ST_IN_ALERT_SEND);
		test_and_set_bit(FLG_CALL_ALERT, &chanp->Flags);
		chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc);
	} else if (test_and_clear_bit(FLG_DO_HANGUP, &chanp->Flags)) {
		FsmChangeState(fi, ST_WAIT_DRELEASE);
		chanp->proc->para.cause = 0x15;		/* Call Rejected */
		chanp->d_st->lli.l4l3(chanp->d_st, CC_REJECT | REQUEST, chanp->proc);
		test_and_set_bit(FLG_DISC_SEND, &chanp->Flags);
	}
}

static void
lli_send_dconnect(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;

	FsmChangeState(fi, ST_IN_WAIT_CONN_ACK);
	chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | RESPONSE, chanp->proc);
}

static void
lli_init_bchan_in(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	FsmChangeState(fi, ST_WAIT_BCONN);
	test_and_set_bit(FLG_LL_DCONN, &chanp->Flags);
	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DCONN");
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DCONN;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	chanp->l2_active_protocol = chanp->l2_protocol;
	chanp->incoming = !0;
	init_b_st(chanp, !0);
	test_and_set_bit(FLG_START_B, &chanp->Flags);
	chanp->b_st->lli.l4l3(chanp->b_st, DL_ESTABLISH | REQUEST, NULL);
}

/* Call suspend */

static void
lli_suspend(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;

	chanp->d_st->lli.l4l3(chanp->d_st, CC_SUSPEND | REQUEST, chanp->proc);
}

/* Call clearing */

static void
lli_cancel_call(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	FsmChangeState(fi, ST_WAIT_DRELEASE);
	if (test_and_clear_bit(FLG_LL_BCONN, &chanp->Flags)) {
		if (chanp->debug & 1)
			link_debug(chanp, 0, "STAT_BHUP");
		ic.driver = chanp->cs->myid;
		ic.command = ISDN_STAT_BHUP;
		ic.arg = chanp->chan;
		chanp->cs->iif.statcallb(&ic);
	}
	if (test_and_clear_bit(FLG_START_B, &chanp->Flags))
		release_b_st(chanp);
	chanp->proc->para.cause = 0x10;		/* Normal Call Clearing */
	chanp->d_st->lli.l4l3(chanp->d_st, CC_DISCONNECT | REQUEST, chanp->proc);
	test_and_set_bit(FLG_DISC_SEND, &chanp->Flags);
}

static void
lli_shutdown_d(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;

	FsmDelTimer(&chanp->drel_timer, 62);
	if (test_bit(FLG_PTP, &chanp->d_st->l2.flag)) {
		FsmChangeState(fi, ST_NULL);
	} else {
		if (!test_bit(FLG_TWO_DCHAN, &chanp->cs->HW_Flags)) {
			if (chanp->chan) {
				if (chanp->cs->channel[0].fi.state != ST_NULL)
					return;
			} else {
				if (chanp->cs->channel[1].fi.state != ST_NULL)
					return;
			}
		}
		FsmChangeState(fi, ST_WAIT_DSHUTDOWN);
		test_and_clear_bit(FLG_ESTAB_D, &chanp->Flags);
		chanp->d_st->lli.l4l3(chanp->d_st, DL_RELEASE | REQUEST, NULL);
	}
}

static void
lli_timeout_d(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	test_and_clear_bit(FLG_LL_DCONN, &chanp->Flags);
	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DHUP");
	lli_deliver_cause(chanp, &ic);
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DHUP;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	FsmChangeState(fi, ST_NULL);
	chanp->Flags = 0;
	test_and_set_bit(FLG_ESTAB_D, &chanp->Flags);
	if (!test_bit(FLG_PTP, &chanp->d_st->l2.flag))
		FsmAddTimer(&chanp->drel_timer, DREL_TIMER_VALUE, EV_SHUTDOWN_D, NULL, 60);
	chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan);
}

static void
lli_go_null(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;

	FsmChangeState(fi, ST_NULL);
	chanp->Flags = 0;
	FsmDelTimer(&chanp->drel_timer, 63);
	chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan);
}

static void
lli_disconn_bchan(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;

	chanp->data_open = 0;
	FsmChangeState(fi, ST_WAIT_BRELEASE);
	test_and_clear_bit(FLG_CONNECT_B, &chanp->Flags);
	chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL);
}

static void
lli_send_d_disc(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	if (test_bit(FLG_DISC_REC, &chanp->Flags) ||
		test_bit(FLG_REL_REC, &chanp->Flags))
		return;
	FsmChangeState(fi, ST_WAIT_DRELEASE);
	if (test_and_clear_bit(FLG_LL_BCONN, &chanp->Flags)) {
		if (chanp->debug & 1)
			link_debug(chanp, 0, "STAT_BHUP");
		ic.driver = chanp->cs->myid;
		ic.command = ISDN_STAT_BHUP;
		ic.arg = chanp->chan;
		chanp->cs->iif.statcallb(&ic);
	}
	if (test_and_clear_bit(FLG_START_B, &chanp->Flags))
		release_b_st(chanp);
	if (chanp->leased) {
		ic.command = ISDN_STAT_CAUSE;
		ic.arg = chanp->chan;
		sprintf(ic.parm.num, "L0010");
		chanp->cs->iif.statcallb(&ic);
		if (chanp->debug & 1)
			link_debug(chanp, 0, "STAT_DHUP");
		ic.driver = chanp->cs->myid;
		ic.command = ISDN_STAT_DHUP;
		ic.arg = chanp->chan;
		chanp->cs->iif.statcallb(&ic);
		FsmChangeState(fi, ST_WAIT_DSHUTDOWN);
		test_and_clear_bit(FLG_ESTAB_D, &chanp->Flags);
		chanp->d_st->lli.l4l3(chanp->d_st, DL_RELEASE | REQUEST, NULL);
	} else {
		if (test_and_clear_bit(FLG_DO_HANGUP, &chanp->Flags))
			chanp->proc->para.cause = 0x15;		/* Call Reject */
		else
			chanp->proc->para.cause = 0x10;		/* Normal Call Clearing */
		chanp->d_st->lli.l4l3(chanp->d_st, CC_DISCONNECT | REQUEST, chanp->proc);
		test_and_set_bit(FLG_DISC_SEND, &chanp->Flags);
	}
}

static void
lli_released_bchan(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	FsmChangeState(fi, ST_WAIT_DCOMMAND);
	chanp->data_open = 0;
	if (test_and_clear_bit(FLG_LL_BCONN, &chanp->Flags)) {
		if (chanp->debug & 1)
			link_debug(chanp, 0, "STAT_BHUP");
		ic.driver = chanp->cs->myid;
		ic.command = ISDN_STAT_BHUP;
		ic.arg = chanp->chan;
		chanp->cs->iif.statcallb(&ic);
	}
	release_b_st(chanp);
	test_and_clear_bit(FLG_START_B, &chanp->Flags);
}


static void
lli_release_bchan(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;

	chanp->data_open = 0;
	test_and_set_bit(FLG_DISC_REC, &chanp->Flags);
	FsmChangeState(fi, ST_WAIT_BREL_DISC);
	test_and_clear_bit(FLG_CONNECT_B, &chanp->Flags);
	chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL);
}

static void
lli_received_d_rel(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	chanp->data_open = 0;
	FsmChangeState(fi, ST_NULL);
	test_and_set_bit(FLG_REL_REC, &chanp->Flags);
	if (test_and_clear_bit(FLG_CONNECT_B, &chanp->Flags)) {
		chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL);
	}
	if (test_and_clear_bit(FLG_LL_BCONN, &chanp->Flags)) {
		if (chanp->debug & 1)
			link_debug(chanp, 0, "STAT_BHUP");
		ic.driver = chanp->cs->myid;
		ic.command = ISDN_STAT_BHUP;
		ic.arg = chanp->chan;
		chanp->cs->iif.statcallb(&ic);
	}
	if (test_and_clear_bit(FLG_START_B, &chanp->Flags))
		release_b_st(chanp);
	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DHUP");
	lli_deliver_cause(chanp, &ic);
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DHUP;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	test_and_clear_bit(FLG_DISC_SEND, &chanp->Flags);
	test_and_clear_bit(FLG_CALL_REC, &chanp->Flags);
	test_and_clear_bit(FLG_CALL_ALERT, &chanp->Flags);
	test_and_clear_bit(FLG_LL_DCONN, &chanp->Flags);
	test_and_clear_bit(FLG_CALL_SEND, &chanp->Flags);
	lli_timeout_d(fi, event, arg);
}

static void
lli_received_d_relcnf(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	chanp->data_open = 0;
	FsmChangeState(fi, ST_NULL);
	if (test_and_clear_bit(FLG_CONNECT_B, &chanp->Flags)) {
		chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL);
	}
	if (test_and_clear_bit(FLG_LL_BCONN, &chanp->Flags)) {
		if (chanp->debug & 1)
			link_debug(chanp, 0, "STAT_BHUP");
		ic.driver = chanp->cs->myid;
		ic.command = ISDN_STAT_BHUP;
		ic.arg = chanp->chan;
		chanp->cs->iif.statcallb(&ic);
	}
	if (test_and_clear_bit(FLG_START_B, &chanp->Flags))
		release_b_st(chanp);
	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DHUP");
	lli_deliver_cause(chanp, &ic);
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DHUP;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	test_and_clear_bit(FLG_DISC_SEND, &chanp->Flags);
	test_and_clear_bit(FLG_CALL_REC, &chanp->Flags);
	test_and_clear_bit(FLG_CALL_ALERT, &chanp->Flags);
	test_and_clear_bit(FLG_LL_DCONN, &chanp->Flags);
	test_and_clear_bit(FLG_CALL_SEND, &chanp->Flags);
	lli_timeout_d(fi, event, arg);
}

static void
lli_received_d_disc(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	chanp->data_open = 0;
	FsmChangeState(fi, ST_WAIT_D_REL_CNF);
	test_and_set_bit(FLG_DISC_REC, &chanp->Flags);
	if (test_and_clear_bit(FLG_LL_BCONN, &chanp->Flags)) {
		if (chanp->debug & 1)
			link_debug(chanp, 0, "STAT_BHUP");
		ic.driver = chanp->cs->myid;
		ic.command = ISDN_STAT_BHUP;
		ic.arg = chanp->chan;
		chanp->cs->iif.statcallb(&ic);
	}
	if (test_and_clear_bit(FLG_START_B, &chanp->Flags))
		release_b_st(chanp);
	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DHUP");
	lli_deliver_cause(chanp, &ic);
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DHUP;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	test_and_clear_bit(FLG_CALL_ALERT, &chanp->Flags);
	test_and_clear_bit(FLG_LL_DCONN, &chanp->Flags);
	test_and_clear_bit(FLG_CALL_SEND, &chanp->Flags);
	chanp->d_st->lli.l4l3(chanp->d_st, CC_RELEASE | REQUEST, chanp->proc);
}

/* processing charge info */
static void
lli_charge_info(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_CINF;
	ic.arg = chanp->chan;
	sprintf(ic.parm.num, "%d", chanp->proc->para.chargeinfo);
	chanp->cs->iif.statcallb(&ic);
}

/* error procedures */

static void
lli_no_dchan(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_NODCH");
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_NODCH;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	chanp->Flags = 0;
	FsmChangeState(fi, ST_NULL);
	chanp->d_st->lli.l4l3(chanp->d_st, DL_RELEASE | REQUEST, NULL);
}

static void
lli_no_dchan_ready(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DHUP");
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DHUP;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
}

static void
lli_no_dchan_in(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DHUP");
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DHUP;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	chanp->d_st->lli.l4l3(chanp->d_st, CC_DLRL | REQUEST, chanp->proc);
	chanp->Flags = 0;
	FsmChangeState(fi, ST_NULL);
	chanp->d_st->lli.l4l3(chanp->d_st, DL_RELEASE | REQUEST, NULL);
}

static void
lli_no_setup_rsp(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	FsmChangeState(fi, ST_NULL);
	test_and_clear_bit(FLG_CALL_SEND, &chanp->Flags);
	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DHUP");
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DHUP;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	lli_shutdown_d(fi, event, arg);
}

static void
lli_setup_err(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	FsmChangeState(fi, ST_WAIT_DRELEASE);
	test_and_clear_bit(FLG_LL_DCONN, &chanp->Flags);
	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DHUP");
	lli_deliver_cause(chanp, &ic);
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DHUP;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	test_and_set_bit(FLG_DISC_SEND, &chanp->Flags);	/* DISCONN was sent from L3 */
}

static void
lli_connect_err(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	FsmChangeState(fi, ST_WAIT_DRELEASE);
	test_and_clear_bit(FLG_LL_DCONN, &chanp->Flags);
	if (chanp->debug & 1)
		link_debug(chanp, 0, "STAT_DHUP");
	lli_deliver_cause(chanp, &ic);
	ic.driver = chanp->cs->myid;
	ic.command = ISDN_STAT_DHUP;
	ic.arg = chanp->chan;
	chanp->cs->iif.statcallb(&ic);
	test_and_set_bit(FLG_DISC_SEND, &chanp->Flags);	/* DISCONN was sent from L3 */
}

static void
lli_got_dlrl(struct FsmInst *fi, int event, void *arg)
{
	struct Channel *chanp = fi->userdata;
	isdn_ctrl ic;

	chanp->data_open = 0;
	FsmChangeState(fi, ST_NULL);
	if (test_and_clear_bit(FLG_CONNECT_B, &chanp->Flags)) {
		chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL);
	}
	if (test_and_clear_bit(FLG_LL_BCONN, &chanp->Flags)) {
		if (chanp->debug & 1)
			link_debug(chanp, 0, "STAT_BHUP");
		ic.driver = chanp->cs->myid;
		ic.command = ISDN_STAT_BHUP;
		ic.arg = chanp->chan;
		chanp->cs->iif.statcallb(&ic);
	}
	if (test_and_clear_bit(FLG_START_B, &chanp->Flags))
		release_b_st(chanp);
	if (chanp->leased) {
		ic.driver = chanp->cs->myid;
		ic.command = ISDN_STAT_CAUSE;
		ic.arg = chanp->chan;
		sprintf(ic.parm.num, "L%02X%02X", 0, 0x2f);
		chanp->cs->iif.statcallb(&ic);