Cross Reference: /drivers/isdn/capi/capi.c

Lines Matching defs:mp
143 static int capiminor_add_ack(struct capiminor *mp, u16 datahandle)
154 	spin_lock_bh(&mp->ackqlock);
155 	list_add_tail(&n->list, &mp->ackqueue);
156 	mp->nack++;
157 	spin_unlock_bh(&mp->ackqlock);
161 static int capiminor_del_ack(struct capiminor *mp, u16 datahandle)
165 	spin_lock_bh(&mp->ackqlock);
166 	list_for_each_entry_safe(p, tmp, &mp->ackqueue, list) {
169 			mp->nack--;
170 			spin_unlock_bh(&mp->ackqlock);
175 	spin_unlock_bh(&mp->ackqlock);
179 static void capiminor_del_all_ack(struct capiminor *mp)
183 	list_for_each_entry_safe(p, tmp, &mp->ackqueue, list) {
186 		mp->nack--;
197 	struct capiminor *mp;
201 	mp = kzalloc(sizeof(*mp), GFP_KERNEL);
202 	if (!mp) {
207 	kref_init(&mp->kref);
209 	mp->ap = ap;
210 	mp->ncci = ncci;
211 	INIT_LIST_HEAD(&mp->ackqueue);
212 	spin_lock_init(&mp->ackqlock);
214 	skb_queue_head_init(&mp->inqueue);
215 	skb_queue_head_init(&mp->outqueue);
216 	spin_lock_init(&mp->outlock);
218 	tty_port_init(&mp->port);
219 	mp->port.ops = &capiminor_port_ops;
225 			capiminors[minor] = mp;
235 	mp->minor = minor;
241 	return mp;
249 	kfree(mp);
255 	struct capiminor *mp = container_of(kref, struct capiminor, kref);
257 	kfree_skb(mp->outskb);
258 	skb_queue_purge(&mp->inqueue);
259 	skb_queue_purge(&mp->outqueue);
260 	capiminor_del_all_ack(mp);
261 	kfree(mp);
266 	struct capiminor *mp;
269 	mp = capiminors[minor];
270 	if (mp)
271 		kref_get(&mp->kref);
274 	return mp;
277 static inline void capiminor_put(struct capiminor *mp)
279 	kref_put(&mp->kref, capiminor_destroy);
282 static void capiminor_free(struct capiminor *mp)
284 	tty_unregister_device(capinc_tty_driver, mp->minor);
287 	capiminors[mp->minor] = NULL;
290 	capiminor_put(mp);
303 	struct capiminor *mp = np->minorp;
306 	if (mp) {
307 		tty = tty_port_tty_get(&mp->port);
313 		capiminor_free(mp);
319 	struct capiminor *mp = np->minorp;
323 	if (mp) {
324 		tty = tty_port_tty_get(&mp->port);
389 gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb)
397 		capimsg_setu16(s, 2, mp->ap->applid);
400 		capimsg_setu16(s, 6, atomic_inc_return(&mp->msgid));
401 		capimsg_setu32(s, 8, mp->ncci);
407 static int handle_recv_skb(struct capiminor *mp, struct sk_buff *skb)
416 	tty = tty_port_tty_get(&mp->port);
435 	if (mp->ttyinstop) {
445 	nskb = gen_data_b3_resp_for(mp, skb);
453 	errcode = capi20_put_message(mp->ap, nskb);
481 static void handle_minor_recv(struct capiminor *mp)
485 	while ((skb = skb_dequeue(&mp->inqueue)) != NULL)
486 		if (handle_recv_skb(mp, skb) < 0) {
487 			skb_queue_head(&mp->inqueue, skb);
492 static void handle_minor_send(struct capiminor *mp)
500 	tty = tty_port_tty_get(&mp->port);
504 	if (mp->ttyoutstop) {
511 		spin_lock_bh(&mp->outlock);
512 		skb = __skb_dequeue(&mp->outqueue);
514 			spin_unlock_bh(&mp->outlock);
518 		mp->outbytes -= len;
519 		spin_unlock_bh(&mp->outlock);
521 		datahandle = atomic_inc_return(&mp->datahandle);
525 		capimsg_setu16(skb->data, 2, mp->ap->applid);
528 		capimsg_setu16(skb->data, 6, atomic_inc_return(&mp->msgid));
529 		capimsg_setu32(skb->data, 8, mp->ncci);	/* NCCI */
535 		if (capiminor_add_ack(mp, datahandle) < 0) {
538 			spin_lock_bh(&mp->outlock);
539 			__skb_queue_head(&mp->outqueue, skb);
540 			mp->outbytes += len;
541 			spin_unlock_bh(&mp->outlock);
545 		errcode = capi20_put_message(mp->ap, skb);
551 		capiminor_del_ack(mp, datahandle);
556 			spin_lock_bh(&mp->outlock);
557 			__skb_queue_head(&mp->outqueue, skb);
558 			mp->outbytes += len;
559 			spin_unlock_bh(&mp->outlock);
579 	struct capiminor *mp;
614 	mp = np->minorp;
615 	if (!mp) {
624 		skb_queue_tail(&mp->inqueue, skb);
626 		handle_minor_recv(mp);
635 		capiminor_del_ack(mp, datahandle);
636 		tty = tty_port_tty_get(&mp->port);
641 		handle_minor_send(mp);
924 		struct capiminor *mp;
934 			mp = nccip->minorp;
935 			if (mp)
936 				unit = mp->minor;
1016 	struct capiminor *mp = capiminor_get(tty->index);
1020 		tty->driver_data = mp;
1022 		capiminor_put(mp);
1028 	struct capiminor *mp = tty->driver_data;
1030 	capiminor_put(mp);
1035 	struct capiminor *mp = tty->driver_data;
1038 	err = tty_port_open(&mp->port, tty, filp);
1042 	handle_minor_recv(mp);
1048 	struct capiminor *mp = tty->driver_data;
1050 	tty_port_close(&mp->port, tty, filp);
1056 	struct capiminor *mp = tty->driver_data;
1061 	spin_lock_bh(&mp->outlock);
1062 	skb = mp->outskb;
1064 		mp->outskb = NULL;
1065 		__skb_queue_tail(&mp->outqueue, skb);
1066 		mp->outbytes += skb->len;
1072 		spin_unlock_bh(&mp->outlock);
1079 	__skb_queue_tail(&mp->outqueue, skb);
1080 	mp->outbytes += skb->len;
1081 	spin_unlock_bh(&mp->outlock);
1083 	handle_minor_send(mp);
1090 	struct capiminor *mp = tty->driver_data;
1097 	spin_lock_bh(&mp->outlock);
1098 	skb = mp->outskb;
1104 		mp->outskb = NULL;
1105 		__skb_queue_tail(&mp->outqueue, skb);
1106 		mp->outbytes += skb->len;
1114 		mp->outskb = skb;
1121 	spin_unlock_bh(&mp->outlock);
1124 		handle_minor_send(mp);
1131 	struct capiminor *mp = tty->driver_data;
1136 	spin_lock_bh(&mp->outlock);
1137 	skb = mp->outskb;
1139 		mp->outskb = NULL;
1140 		__skb_queue_tail(&mp->outqueue, skb);
1141 		mp->outbytes += skb->len;
1142 		spin_unlock_bh(&mp->outlock);
1144 		handle_minor_send(mp);
1146 		spin_unlock_bh(&mp->outlock);
1148 	handle_minor_recv(mp);
1153 	struct capiminor *mp = tty->driver_data;
1156 	room = CAPINC_MAX_SENDQUEUE-skb_queue_len(&mp->outqueue);
1164 	struct capiminor *mp = tty->driver_data;
1167 		 mp->outbytes, mp->nack,
1168 		 skb_queue_len(&mp->outqueue),
1169 		 skb_queue_len(&mp->inqueue));
1170 	return mp->outbytes;
1186 	struct capiminor *mp = tty->driver_data;
1188 	mp->ttyinstop = 1;
1193 	struct capiminor *mp = tty->driver_data;
1196 	mp->ttyinstop = 0;
1197 	handle_minor_recv(mp);
1202 	struct capiminor *mp = tty->driver_data;
1205 	mp->ttyoutstop = 1;
1210 	struct capiminor *mp = tty->driver_data;
1213 	mp->ttyoutstop = 0;
1214 	handle_minor_send(mp);
1219 	struct capiminor *mp = tty->driver_data;
1222 	tty_port_hangup(&mp->port);