isdn/mISDN/tei.c

109 	struct layer2	*l2;
113 	list_for_each_entry(l2, &mgr->layer2, list) {
114 		if (l2->l2m.state > ST_L2_4) {
146 	struct layer2	*l2;
151 	list_for_each_entry(l2, &mgr->layer2, list) {
152 		if (l2->l2m.state > ST_L2_4) {
234 	       tm->l2->sapi, tm->l2->tei, &vaf);
246 	struct layer2	*l2;
248 	list_for_each_entry(l2, &mgr->layer2, list) {
249 		if (l2->ch.nr > 63) {
255 		__set_bit(l2->ch.nr, ids);
270 	struct layer2	*l2;
272 	list_for_each_entry(l2, &mgr->layer2, list) {
273 		if (l2->ch.nr == 0)
275 		if ((l2->ch.addr & 0xff) != 0)
277 		i = l2->ch.addr >> 8;
416 	struct layer2	*l2;
420 	list_for_each_entry(l2, &mgr->layer2, list) {
421 		if ((l2->sapi == 0) && (l2->tei > 0) &&
422 		    (l2->tei != GROUP_TEI) && (l2->tei == tei))
425 	l2 = NULL;
428 	return l2;
460 	if (tm->l2->tei != GROUP_TEI) {
463 				     tm->l2->tei);
480 	struct layer2	*l2;
491 	l2 = findtei(tm->mgr, tei);
492 	if (l2) {	/* same tei is in use */
493 		if (ri != l2->tm->ri) {
496 			tei_l2(l2, MDL_ERROR_RSP, 0);
501 		tei_l2(tm->l2, MDL_ASSIGN_REQ, tei);
509 	struct layer2	*l2;
520 	l2 = findtei(tm->mgr, tei);
521 	if (l2) {	/* same tei is in use */
522 		if (ri != l2->tm->ri) {	/* and it wasn't our request */
525 			mISDN_FsmEvent(&l2->tm->tei_m, EV_VERIFY, NULL);
556 	if ((tm->l2->tei != GROUP_TEI) && ((tei == GROUP_TEI) ||
557 					   (tei == tm->l2->tei))) {
560 		put_tei_msg(tm->mgr, ID_CHK_RES, random_ri(), tm->l2->tei);
574 	if ((tm->l2->tei != GROUP_TEI) &&
575 	    ((tei == GROUP_TEI) || (tei == tm->l2->tei))) {
578 		tei_l2(tm->l2, MDL_REMOVE_REQ, 0);
589 				     tm->l2->tei);
590 	put_tei_msg(tm->mgr, ID_VERIFY, 0, tm->l2->tei);
610 		tei_l2(tm->l2, MDL_ERROR_RSP, 0);
624 					     3 - tm->nval, tm->l2->tei);
625 		put_tei_msg(tm->mgr, ID_VERIFY, 0, tm->l2->tei);
629 				     tm->l2->tei);
630 		tei_l2(tm->l2, MDL_REMOVE_REQ, 0);
651 tei_l2remove(struct layer2 *l2)
653 	put_tei_msg(l2->tm->mgr, ID_REMOVE, 0, l2->tei);
654 	tei_l2(l2, MDL_REMOVE_REQ, 0);
655 	list_del(&l2->ch.list);
656 	l2->ch.ctrl(&l2->ch, CLOSE_CHANNEL, NULL);
665 	if (tm->l2->tei == GROUP_TEI) {
675 	put_tei_msg(tm->mgr, ID_ASSIGNED, tm->ri, tm->l2->tei);
686 				     tm->l2->tei);
688 	put_tei_msg(tm->mgr, ID_CHK_REQ, 0, tm->l2->tei);
704 	if (tei == tm->l2->tei)
718 				     tei, tm->l2->tei);
719 	if (tei == tm->l2->tei)
731 					     "check req for tei %d successful\n", tm->l2->tei);
735 		tei_l2remove(tm->l2);
740 					     3 - tm->nval, tm->l2->tei);
741 		put_tei_msg(tm->mgr, ID_CHK_REQ, 0, tm->l2->tei);
745 				     tm->l2->tei);
747 		tei_l2remove(tm->l2);
763 	if (test_bit(FLG_FIXED_TEI, &tm->l2->flag))
787 	struct layer2		*l2;
801 	l2 = create_l2(mgr->up, ISDN_P_LAPD_NT, opt, tei, sapi);
802 	if (!l2) {
806 	l2->tm = kzalloc(sizeof(struct teimgr), GFP_KERNEL);
807 	if (!l2->tm) {
808 		kfree(l2);
812 	l2->tm->mgr = mgr;
813 	l2->tm->l2 = l2;
814 	l2->tm->tei_m.debug = *debug & DEBUG_L2_TEIFSM;
815 	l2->tm->tei_m.userdata = l2->tm;
816 	l2->tm->tei_m.printdebug = tei_debug;
817 	l2->tm->tei_m.fsm = &teifsmn;
818 	l2->tm->tei_m.state = ST_TEI_NOP;
819 	l2->tm->tval = 2000; /* T202  2 sec */
820 	mISDN_FsmInitTimer(&l2->tm->tei_m, &l2->tm->timer);
823 	list_add_tail(&l2->list, &mgr->layer2);
826 		l2->ch.ctrl(&l2->ch, CLOSE_CHANNEL, NULL);
830 		l2->ch.nr = id;
831 		__add_layer2(&l2->ch, mgr->ch.st);
832 		l2->ch.recv = mgr->ch.recv;
833 		l2->ch.peer = mgr->ch.peer;
834 		l2->ch.ctrl(&l2->ch, OPEN_CHANNEL, NULL);
840 			l2->ch.ctrl(&l2->ch, CLOSE_CHANNEL, NULL);
841 			l2 = NULL;
844 	return l2;
851 	struct layer2	*l2;
867 	l2 = create_new_tei(mgr, tei, CTRL_SAPI);
868 	if (!l2)
871 		mISDN_FsmEvent(&l2->tm->tei_m, EV_ASSIGN_REQ, dp);
881 	struct layer2	*l2, *nl2;
926 	list_for_each_entry_safe(l2, nl2, &mgr->layer2, list) {
927 		tei_ph_data_ind(l2->tm, mt, &skb->data[4], skb->len - 4);
934 l2_tei(struct layer2 *l2, u_int cmd, u_long arg)
936 	struct teimgr	*tm = l2->tm;
938 	if (test_bit(FLG_FIXED_TEI, &l2->flag))
948 			mISDN_FsmEvent(&tm->tei_m, EV_CHKREQ, &l2->tei);
969 TEIrelease(struct layer2 *l2)
971 	struct teimgr	*tm = l2->tm;
976 	list_del(&l2->list);
978 	l2->tm = NULL;
985 	struct layer2		*l2;
1037 			list_for_each_entry(l2, &mgr->layer2, list) {
1038 				l2->up = mgr->up;
1039 				l2->ch.ctrl(&l2->ch, OPEN_CHANNEL, NULL);
1045 	l2 = create_l2(crq->ch, crq->protocol, opt,
1047 	if (!l2)
1049 	l2->tm = kzalloc(sizeof(struct teimgr), GFP_KERNEL);
1050 	if (!l2->tm) {
1051 		kfree(l2);
1055 	l2->tm->mgr = mgr;
1056 	l2->tm->l2 = l2;
1057 	l2->tm->tei_m.debug = *debug & DEBUG_L2_TEIFSM;
1058 	l2->tm->tei_m.userdata = l2->tm;
1059 	l2->tm->tei_m.printdebug = tei_debug;
1061 		l2->tm->tei_m.fsm = &teifsmu;
1062 		l2->tm->tei_m.state = ST_TEI_NOP;
1063 		l2->tm->tval = 1000; /* T201  1 sec */
1069 		l2->tm->tei_m.fsm = &teifsmn;
1070 		l2->tm->tei_m.state = ST_TEI_NOP;
1071 		l2->tm->tval = 2000; /* T202  2 sec */
1077 	mISDN_FsmInitTimer(&l2->tm->tei_m, &l2->tm->timer);
1080 	list_add_tail(&l2->list, &mgr->layer2);
1083 		l2->ch.nr = id;
1084 		l2->up->nr = id;
1085 		crq->ch = &l2->ch;
1091 		l2->ch.ctrl(&l2->ch, CLOSE_CHANNEL, NULL);
1141 	struct layer2	*l2, *nl2;
1148 			list_for_each_entry_safe(l2, nl2, &mgr->layer2, list) {
1149 				put_tei_msg(mgr, ID_REMOVE, 0, l2->tei);
1151 				list_del(&l2->ch.list);
1153 				l2->ch.ctrl(&l2->ch, CLOSE_CHANNEL, NULL);
1157 			list_for_each_entry_safe(l2, nl2, &mgr->layer2, list) {
1158 				l2->up = NULL;
1201 	struct layer2		*l2;
1226 	l2 = create_new_tei(mgr, tei, sapi);
1227 	if (!l2) {
1233 	ret = l2->ch.send(&l2->ch, skb);
1241 	struct layer2	*l2, *nl2;
1245 	list_for_each_entry_safe(l2, nl2, &mgr->layer2, list) {
1247 		list_del(&l2->ch.list);
1249 		l2->ch.ctrl(&l2->ch, CLOSE_CHANNEL, NULL);
1289 	struct layer2		*l2;
1294 	list_for_each_entry(l2, &mgr->layer2, list) {
1296 		    (l2->ch.addr & MISDN_ID_SAPI_MASK)) {
1297 			if (list_is_last(&l2->list, &mgr->layer2)) {
1311 				hhc->id = l2->ch.nr;
1318 						       __func__, l2->ch.nr,
1319 						       hh->prim, l2->ch.addr, ret);