capidrv.c

linux-2.6.15.6

			cmd.parm.setup.phone,
			cmd.parm.setup.si1,
			cmd.parm.setup.si2,
			cmd.parm.setup.eazmsn);
		break;
	case 1:
		/* At least one device matching this call (RING on ttyI)
		 * HL-driver may send ALERTING on the D-channel in this
		 * case.
		 * really means: RING on ttyI or a net interface
		 * accepted this call already.
		 *
		 * If the call was accepted, state has already changed,
		 * and CONNECT_RESP already sent.
		 */
		if (plcip->state == ST_PLCI_INCOMING) {
			printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s tty alerting\n",
				card->contrnr,
				cmd.parm.setup.phone,
				cmd.parm.setup.si1,
				cmd.parm.setup.si2,
				cmd.parm.setup.eazmsn);
			capi_fill_ALERT_REQ(cmsg,
					    global.ap.applid,
					    card->msgid++,
					    plcip->plci,	/* adr */
					    NULL,/* BChannelinformation */
					    NULL,/* Keypadfacility */
					    NULL,/* Useruserdata */
					    NULL /* Facilitydataarray */
			);
			plcip->msgid = cmsg->Messagenumber;
			send_message(card, cmsg);
		} else {
			printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdev\n",
				card->contrnr,
				cmd.parm.setup.phone,
				cmd.parm.setup.si1,
				cmd.parm.setup.si2,
				cmd.parm.setup.eazmsn);
		}
		break;

	case 2:		/* Call will be rejected. */
		capi_cmsg_answer(cmsg);
		cmsg->Reject = 2;	/* reject call, normal call clearing */
		send_message(card, cmsg);
		plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
		break;

	default:
		/* An error happened. (Invalid parameters for example.) */
		capi_cmsg_answer(cmsg);
		cmsg->Reject = 8;	/* reject call,
					   destination out of order */
		send_message(card, cmsg);
		plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
		break;
	}
	return;
}

static void handle_plci(_cmsg * cmsg)
{
	capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
	capidrv_plci *plcip;
	isdn_ctrl cmd;

	if (!card) {
		printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
		       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
		       cmsg->adr.adrController & 0x7f);
		return;
	}
	switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {

	case CAPI_DISCONNECT_IND:	/* plci */
		if (cmsg->Reason) {
			printk(KERN_INFO "capidrv-%d: %s reason 0x%x (%s) for plci 0x%x\n",
			   card->contrnr,
			   capi_cmd2str(cmsg->Command, cmsg->Subcommand),
			       cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI);
		}
		if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) {
			capi_cmsg_answer(cmsg);
			send_message(card, cmsg);
			goto notfound;
		}
		card->bchans[plcip->chan].disconnecting = 1;
		plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND);
		capi_cmsg_answer(cmsg);
		send_message(card, cmsg);
		plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP);
		break;

	case CAPI_DISCONNECT_CONF:	/* plci */
		if (cmsg->Info) {
			printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
			   card->contrnr,
			   capi_cmd2str(cmsg->Command, cmsg->Subcommand),
			       cmsg->Info, capi_info2str(cmsg->Info), 
			       cmsg->adr.adrPLCI);
		}
		if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
			goto notfound;

		card->bchans[plcip->chan].disconnecting = 1;
		break;

	case CAPI_ALERT_CONF:	/* plci */
		if (cmsg->Info) {
			printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
			   card->contrnr,
			   capi_cmd2str(cmsg->Command, cmsg->Subcommand),
			       cmsg->Info, capi_info2str(cmsg->Info), 
			       cmsg->adr.adrPLCI);
		}
		break;

	case CAPI_CONNECT_IND:	/* plci */
		handle_incoming_call(card, cmsg);
		break;

	case CAPI_CONNECT_CONF:	/* plci */
		if (cmsg->Info) {
			printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
			   card->contrnr,
			   capi_cmd2str(cmsg->Command, cmsg->Subcommand),
			       cmsg->Info, capi_info2str(cmsg->Info), 
			       cmsg->adr.adrPLCI);
		}
		if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber)))
			goto notfound;

		plcip->plci = cmsg->adr.adrPLCI;
		if (cmsg->Info) {
			plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_ERROR);
		} else {
			plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_OK);
		}
		break;

	case CAPI_CONNECT_ACTIVE_IND:	/* plci */

		if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
			goto notfound;

		if (card->bchans[plcip->chan].incoming) {
			capi_cmsg_answer(cmsg);
			send_message(card, cmsg);
			plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
		} else {
			capidrv_ncci *nccip;
			capi_cmsg_answer(cmsg);
			send_message(card, cmsg);

			nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI);

			if (!nccip) {
				printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr);
				break;	/* $$$$ */
			}
			capi_fill_CONNECT_B3_REQ(cmsg,
						 global.ap.applid,
						 card->msgid++,
						 plcip->plci,	/* adr */
						 NULL	/* NCPI */
			);
			nccip->msgid = cmsg->Messagenumber;
			send_message(card, cmsg);
			cmd.command = ISDN_STAT_DCONN;
			cmd.driver = card->myid;
			cmd.arg = plcip->chan;
			card->interface.statcallb(&cmd);
			plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
			ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
		}
		break;

	case CAPI_INFO_IND:	/* Controller/plci */

		if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
			goto notfound;

		if (cmsg->InfoNumber == 0x4000) {
			if (cmsg->InfoElement[0] == 4) {
				cmd.command = ISDN_STAT_CINF;
				cmd.driver = card->myid;
				cmd.arg = plcip->chan;
				sprintf(cmd.parm.num, "%lu",
					(unsigned long)
					((u32) cmsg->InfoElement[1]
				  | ((u32) (cmsg->InfoElement[2]) << 8)
				 | ((u32) (cmsg->InfoElement[3]) << 16)
					 | ((u32) (cmsg->InfoElement[4]) << 24)));
				card->interface.statcallb(&cmd);
				break;
			}
		}
		printk(KERN_ERR "capidrv-%d: %s\n",
				card->contrnr, capi_cmsg2str(cmsg));
		break;

	case CAPI_CONNECT_ACTIVE_CONF:		/* plci */
		goto ignored;
	case CAPI_SELECT_B_PROTOCOL_CONF:	/* plci */
		goto ignored;
	case CAPI_FACILITY_IND:	/* Controller/plci/ncci */
		goto ignored;
	case CAPI_FACILITY_CONF:	/* Controller/plci/ncci */
		goto ignored;

	case CAPI_INFO_CONF:	/* Controller/plci */
		goto ignored;

	default:
		printk(KERN_ERR "capidrv-%d: got %s for plci 0x%x ???",
		       card->contrnr,
		       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
		       cmsg->adr.adrPLCI);
	}
	return;
      ignored:
	printk(KERN_INFO "capidrv-%d: %s for plci 0x%x ignored\n",
	       card->contrnr,
	       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
	       cmsg->adr.adrPLCI);
	return;
      notfound:
	printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not found\n",
	       card->contrnr,
	       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
	       cmsg->adr.adrPLCI);
	return;
}

static void handle_ncci(_cmsg * cmsg)
{
	capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
	capidrv_plci *plcip;
	capidrv_ncci *nccip;
	isdn_ctrl cmd;
	int len;

	if (!card) {
		printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
		       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
		       cmsg->adr.adrController & 0x7f);
		return;
	}
	switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {

	case CAPI_CONNECT_B3_ACTIVE_IND:	/* ncci */
		if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
			goto notfound;

		capi_cmsg_answer(cmsg);
		send_message(card, cmsg);
		ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND);

		cmd.command = ISDN_STAT_BCONN;
		cmd.driver = card->myid;
		cmd.arg = nccip->chan;
		card->interface.statcallb(&cmd);

		printk(KERN_INFO "capidrv-%d: chan %d up with ncci 0x%x\n",
		       card->contrnr, nccip->chan, nccip->ncci);
		break;

	case CAPI_CONNECT_B3_ACTIVE_CONF:	/* ncci */
		goto ignored;

	case CAPI_CONNECT_B3_IND:	/* ncci */

		plcip = find_plci_by_ncci(card, cmsg->adr.adrNCCI);
		if (plcip) {
			nccip = new_ncci(card, plcip, cmsg->adr.adrNCCI);
			if (nccip) {
				ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_IND);
				capi_fill_CONNECT_B3_RESP(cmsg,
							  global.ap.applid,
							  card->msgid++,
							  nccip->ncci,	/* adr */
							  0,	/* Reject */
							  NULL	/* NCPI */
				);
				send_message(card, cmsg);
				ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP);
				break;
			}
			printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n",							card->contrnr);
		} else {
			printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not found\n",
			   card->contrnr,
			   capi_cmd2str(cmsg->Command, cmsg->Subcommand),
			       cmsg->adr.adrNCCI);
		}
		capi_fill_CONNECT_B3_RESP(cmsg,
					  global.ap.applid,
					  card->msgid++,
					  cmsg->adr.adrNCCI,
					  2,	/* Reject */
					  NULL	/* NCPI */
		);
		send_message(card, cmsg);
		break;

	case CAPI_CONNECT_B3_CONF:	/* ncci */

		if (!(nccip = find_ncci_by_msgid(card,
						 cmsg->adr.adrNCCI,
						 cmsg->Messagenumber)))
			goto notfound;

		nccip->ncci = cmsg->adr.adrNCCI;
		if (cmsg->Info) {
			printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n",
			   card->contrnr,
			   capi_cmd2str(cmsg->Command, cmsg->Subcommand),
			       cmsg->Info, capi_info2str(cmsg->Info), 
			       cmsg->adr.adrNCCI);
		}

		if (cmsg->Info)
			ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_ERROR);
		else
			ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_OK);
		break;

	case CAPI_CONNECT_B3_T90_ACTIVE_IND:	/* ncci */
		capi_cmsg_answer(cmsg);
		send_message(card, cmsg);
		break;

	case CAPI_DATA_B3_IND:	/* ncci */
		/* handled in handle_data() */
		goto ignored;

	case CAPI_DATA_B3_CONF:	/* ncci */
		if (cmsg->Info) {
			printk(KERN_WARNING "CAPI_DATA_B3_CONF: Info %x - %s\n",
				cmsg->Info, capi_info2str(cmsg->Info));
		}
		if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
			goto notfound;

		len = capidrv_del_ack(nccip, cmsg->DataHandle);
		if (len < 0)
			break;
	        cmd.command = ISDN_STAT_BSENT;
	        cmd.driver = card->myid;
	        cmd.arg = nccip->chan;
		cmd.parm.length = len;
	        card->interface.statcallb(&cmd);
		break;

	case CAPI_DISCONNECT_B3_IND:	/* ncci */
		if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
			goto notfound;

		card->bchans[nccip->chan].disconnecting = 1;
		ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND);
		capi_cmsg_answer(cmsg);
		send_message(card, cmsg);
		ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP);
		break;

	case CAPI_DISCONNECT_B3_CONF:	/* ncci */
		if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
			goto notfound;
		if (cmsg->Info) {
			printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n",
			   card->contrnr,
			   capi_cmd2str(cmsg->Command, cmsg->Subcommand),
			       cmsg->Info, capi_info2str(cmsg->Info), 
			       cmsg->adr.adrNCCI);
			ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR);
		}
		break;

	case CAPI_RESET_B3_IND:	/* ncci */
		if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
			goto notfound;
		ncci_change_state(card, nccip, EV_NCCI_RESET_B3_IND);
		capi_cmsg_answer(cmsg);
		send_message(card, cmsg);
		break;

	case CAPI_RESET_B3_CONF:	/* ncci */
		goto ignored;	/* $$$$ */

	case CAPI_FACILITY_IND:	/* Controller/plci/ncci */
		goto ignored;
	case CAPI_FACILITY_CONF:	/* Controller/plci/ncci */
		goto ignored;

	default:
		printk(KERN_ERR "capidrv-%d: got %s for ncci 0x%x ???",
		       card->contrnr,
		       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
		       cmsg->adr.adrNCCI);
	}
	return;
      ignored:
	printk(KERN_INFO "capidrv-%d: %s for ncci 0x%x ignored\n",
	       card->contrnr,
	       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
	       cmsg->adr.adrNCCI);
	return;
      notfound:
	printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n",
	       card->contrnr,
	       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
	       cmsg->adr.adrNCCI);
}


static void handle_data(_cmsg * cmsg, struct sk_buff *skb)
{
	capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
	capidrv_ncci *nccip;

	if (!card) {
		printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
		       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
		       cmsg->adr.adrController & 0x7f);
		kfree_skb(skb);
		return;
	}
	if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) {
		printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n",
		       card->contrnr,
		       capi_cmd2str(cmsg->Command, cmsg->Subcommand),
		       cmsg->adr.adrNCCI);
		kfree_skb(skb);
		return;
	}
	(void) skb_pull(skb, CAPIMSG_LEN(skb->data));
	card->interface.rcvcallb_skb(card->myid, nccip->chan, skb);
	capi_cmsg_answer(cmsg);
	send_message(card, cmsg);
}

static _cmsg s_cmsg;

static void capidrv_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
{
	capi_message2cmsg(&s_cmsg, skb->data);
	if (debugmode > 3)
		printk(KERN_DEBUG "capidrv_signal: applid=%d %s\n",
		       ap->applid, capi_cmsg2str(&s_cmsg));
	
	if (s_cmsg.Command == CAPI_DATA_B3
	    && s_cmsg.Subcommand == CAPI_IND) {
		handle_data(&s_cmsg, skb);
		return;
	}
	if ((s_cmsg.adr.adrController & 0xffffff00) == 0)
		handle_controller(&s_cmsg);
	else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0)
		handle_plci(&s_cmsg);
	else
		handle_ncci(&s_cmsg);
	/*