82 	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);  in rfcomm_dev_destruct()  local
83 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_dev_destruct()
85 	BT_DBG("dev %p dlc %p", dev, dlc);  in rfcomm_dev_destruct()
89 	if (dlc->owner == dev)  in rfcomm_dev_destruct()
95 	if (dev->tty_dev)  in rfcomm_dev_destruct()
96 		tty_unregister_device(rfcomm_tty_driver, dev->id);  in rfcomm_dev_destruct()
99 	list_del(&dev->list);  in rfcomm_dev_destruct()
102 	kfree(dev);  in rfcomm_dev_destruct()
112 	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);  in rfcomm_dev_activate()  local
115 	err = rfcomm_dlc_open(dev->dlc, &dev->src, &dev->dst, dev->channel);  in rfcomm_dev_activate()
124 	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);  in rfcomm_dev_carrier_raised()  local
126 	return (dev->dlc->state == BT_CONNECTED);  in rfcomm_dev_carrier_raised()
132 	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);  in rfcomm_dev_shutdown()  local
134 	if (dev->tty_dev->parent)  in rfcomm_dev_shutdown()
135 		device_move(dev->tty_dev, NULL, DPM_ORDER_DEV_LAST);  in rfcomm_dev_shutdown()
138 	rfcomm_dlc_close(dev->dlc, 0);  in rfcomm_dev_shutdown()
150 	struct rfcomm_dev *dev;  in __rfcomm_dev_lookup()  local
152 	list_for_each_entry(dev, &rfcomm_dev_list, list)  in __rfcomm_dev_lookup()
153 		if (dev->id == id)  in __rfcomm_dev_lookup()
154 			return dev;  in __rfcomm_dev_lookup()
161 	struct rfcomm_dev *dev;  in rfcomm_dev_get()  local
165 	dev = __rfcomm_dev_lookup(id);  in rfcomm_dev_get()
167 	if (dev && !tty_port_get(&dev->port))  in rfcomm_dev_get()
168 		dev = NULL;  in rfcomm_dev_get()
172 	return dev;  in rfcomm_dev_get()
175 static void rfcomm_reparent_device(struct rfcomm_dev *dev)  in rfcomm_reparent_device()  argument
180 	hdev = hci_get_route(&dev->dst, &dev->src, BDADDR_BREDR);  in rfcomm_reparent_device()
188 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &dev->dst);  in rfcomm_reparent_device()
193 	if (conn && device_is_registered(&conn->dev))  in rfcomm_reparent_device()
194 		device_move(dev->tty_dev, &conn->dev, DPM_ORDER_DEV_AFTER_PARENT);  in rfcomm_reparent_device()
203 	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);  in address_show()  local
204 	return sprintf(buf, "%pMR\n", &dev->dst);  in address_show()
210 	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);  in channel_show()  local
211 	return sprintf(buf, "%d\n", dev->channel);  in channel_show()
220 	struct rfcomm_dev *dev, *entry;  in __rfcomm_dev_add()  local
224 	dev = kzalloc(sizeof(struct rfcomm_dev), GFP_KERNEL);  in __rfcomm_dev_add()
225 	if (!dev)  in __rfcomm_dev_add()
231 		dev->id = 0;  in __rfcomm_dev_add()
234 			if (entry->id != dev->id)  in __rfcomm_dev_add()
237 			dev->id++;  in __rfcomm_dev_add()
241 		dev->id = req->dev_id;  in __rfcomm_dev_add()
244 			if (entry->id == dev->id) {  in __rfcomm_dev_add()
249 			if (entry->id > dev->id - 1)  in __rfcomm_dev_add()
256 	if ((dev->id < 0) || (dev->id > RFCOMM_MAX_DEV - 1)) {  in __rfcomm_dev_add()
261 	sprintf(dev->name, "rfcomm%d", dev->id);  in __rfcomm_dev_add()
263 	list_add(&dev->list, head);  in __rfcomm_dev_add()
265 	bacpy(&dev->src, &req->src);  in __rfcomm_dev_add()
266 	bacpy(&dev->dst, &req->dst);  in __rfcomm_dev_add()
267 	dev->channel = req->channel;  in __rfcomm_dev_add()
269 	dev->flags = req->flags &  in __rfcomm_dev_add()
272 	tty_port_init(&dev->port);  in __rfcomm_dev_add()
273 	dev->port.ops = &rfcomm_port_ops;  in __rfcomm_dev_add()
275 	skb_queue_head_init(&dev->pending);  in __rfcomm_dev_add()
289 			skb_queue_tail(&dev->pending, skb);  in __rfcomm_dev_add()
298 	dlc->owner = dev;  in __rfcomm_dev_add()
299 	dev->dlc   = dlc;  in __rfcomm_dev_add()
310 	return dev;  in __rfcomm_dev_add()
314 	kfree(dev);  in __rfcomm_dev_add()
320 	struct rfcomm_dev *dev;  in rfcomm_dev_add()  local
325 	dev = __rfcomm_dev_add(req, dlc);  in rfcomm_dev_add()
326 	if (IS_ERR(dev)) {  in rfcomm_dev_add()
328 		return PTR_ERR(dev);  in rfcomm_dev_add()
331 	tty = tty_port_register_device(&dev->port, rfcomm_tty_driver,  in rfcomm_dev_add()
332 			dev->id, NULL);  in rfcomm_dev_add()
334 		tty_port_put(&dev->port);  in rfcomm_dev_add()
338 	dev->tty_dev = tty;  in rfcomm_dev_add()
339 	rfcomm_reparent_device(dev);  in rfcomm_dev_add()
340 	dev_set_drvdata(dev->tty_dev, dev);  in rfcomm_dev_add()
342 	if (device_create_file(dev->tty_dev, &dev_attr_address) < 0)  in rfcomm_dev_add()
345 	if (device_create_file(dev->tty_dev, &dev_attr_channel) < 0)  in rfcomm_dev_add()
348 	return dev->id;  in rfcomm_dev_add()
352 static inline unsigned int rfcomm_room(struct rfcomm_dev *dev)  in rfcomm_room()  argument
354 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_room()
357 	int pending = 40 - atomic_read(&dev->wmem_alloc);  in rfcomm_room()
364 	struct rfcomm_dev *dev = (void *) skb->sk;  in rfcomm_wfree()  local
365 	atomic_dec(&dev->wmem_alloc);  in rfcomm_wfree()
366 	if (test_bit(RFCOMM_TTY_ATTACHED, &dev->flags))  in rfcomm_wfree()
367 		tty_port_tty_wakeup(&dev->port);  in rfcomm_wfree()
368 	tty_port_put(&dev->port);  in rfcomm_wfree()
371 static void rfcomm_set_owner_w(struct sk_buff *skb, struct rfcomm_dev *dev)  in rfcomm_set_owner_w()  argument
373 	tty_port_get(&dev->port);  in rfcomm_set_owner_w()
374 	atomic_inc(&dev->wmem_alloc);  in rfcomm_set_owner_w()
375 	skb->sk = (void *) dev;  in rfcomm_set_owner_w()
379 static struct sk_buff *rfcomm_wmalloc(struct rfcomm_dev *dev, unsigned long size, gfp_t priority)  in rfcomm_wmalloc()  argument
383 		rfcomm_set_owner_w(skb, dev);  in rfcomm_wmalloc()
440 	struct rfcomm_dev *dev;  in __rfcomm_release_dev()  local
448 	dev = rfcomm_dev_get(req.dev_id);  in __rfcomm_release_dev()
449 	if (!dev)  in __rfcomm_release_dev()
452 	if (dev->flags != NOCAP_FLAGS && !capable(CAP_NET_ADMIN)) {  in __rfcomm_release_dev()
453 		tty_port_put(&dev->port);  in __rfcomm_release_dev()
458 	if (test_and_set_bit(RFCOMM_DEV_RELEASED, &dev->status)) {  in __rfcomm_release_dev()
459 		tty_port_put(&dev->port);  in __rfcomm_release_dev()
464 		rfcomm_dlc_close(dev->dlc, 0);  in __rfcomm_release_dev()
467 	tty = tty_port_tty_get(&dev->port);  in __rfcomm_release_dev()
473 	if (!test_bit(RFCOMM_TTY_OWNED, &dev->status))  in __rfcomm_release_dev()
474 		tty_port_put(&dev->port);  in __rfcomm_release_dev()
476 	tty_port_put(&dev->port);  in __rfcomm_release_dev()
504 	struct rfcomm_dev *dev;  in rfcomm_get_dev_list()  local
528 	list_for_each_entry(dev, &rfcomm_dev_list, list) {  in rfcomm_get_dev_list()
529 		if (!tty_port_get(&dev->port))  in rfcomm_get_dev_list()
531 		(di + n)->id      = dev->id;  in rfcomm_get_dev_list()
532 		(di + n)->flags   = dev->flags;  in rfcomm_get_dev_list()
533 		(di + n)->state   = dev->dlc->state;  in rfcomm_get_dev_list()
534 		(di + n)->channel = dev->channel;  in rfcomm_get_dev_list()
535 		bacpy(&(di + n)->src, &dev->src);  in rfcomm_get_dev_list()
536 		bacpy(&(di + n)->dst, &dev->dst);  in rfcomm_get_dev_list()
537 		tty_port_put(&dev->port);  in rfcomm_get_dev_list()
555 	struct rfcomm_dev *dev;  in rfcomm_get_dev_info()  local
564 	dev = rfcomm_dev_get(di.id);  in rfcomm_get_dev_info()
565 	if (!dev)  in rfcomm_get_dev_info()
568 	di.flags   = dev->flags;  in rfcomm_get_dev_info()
569 	di.channel = dev->channel;  in rfcomm_get_dev_info()
570 	di.state   = dev->dlc->state;  in rfcomm_get_dev_info()
571 	bacpy(&di.src, &dev->src);  in rfcomm_get_dev_info()
572 	bacpy(&di.dst, &dev->dst);  in rfcomm_get_dev_info()
577 	tty_port_put(&dev->port);  in rfcomm_get_dev_info()
605 	struct rfcomm_dev *dev = dlc->owner;  in rfcomm_dev_data_ready()  local
607 	if (!dev) {  in rfcomm_dev_data_ready()
612 	if (!skb_queue_empty(&dev->pending)) {  in rfcomm_dev_data_ready()
613 		skb_queue_tail(&dev->pending, skb);  in rfcomm_dev_data_ready()
619 	tty_insert_flip_string(&dev->port, skb->data, skb->len);  in rfcomm_dev_data_ready()
620 	tty_flip_buffer_push(&dev->port);  in rfcomm_dev_data_ready()
627 	struct rfcomm_dev *dev = dlc->owner;  in rfcomm_dev_state_change()  local
628 	if (!dev)  in rfcomm_dev_state_change()
631 	BT_DBG("dlc %p dev %p err %d", dlc, dev, err);  in rfcomm_dev_state_change()
633 	dev->err = err;  in rfcomm_dev_state_change()
635 		rfcomm_reparent_device(dev);  in rfcomm_dev_state_change()
637 		wake_up_interruptible(&dev->port.open_wait);  in rfcomm_dev_state_change()
639 		tty_port_tty_hangup(&dev->port, false);  in rfcomm_dev_state_change()
644 	struct rfcomm_dev *dev = dlc->owner;  in rfcomm_dev_modem_status()  local
645 	if (!dev)  in rfcomm_dev_modem_status()
648 	BT_DBG("dlc %p dev %p v24_sig 0x%02x", dlc, dev, v24_sig);  in rfcomm_dev_modem_status()
650 	if ((dev->modem_status & TIOCM_CD) && !(v24_sig & RFCOMM_V24_DV))  in rfcomm_dev_modem_status()
651 		tty_port_tty_hangup(&dev->port, true);  in rfcomm_dev_modem_status()
653 	dev->modem_status =  in rfcomm_dev_modem_status()
661 static void rfcomm_tty_copy_pending(struct rfcomm_dev *dev)  in rfcomm_tty_copy_pending()  argument
666 	BT_DBG("dev %p", dev);  in rfcomm_tty_copy_pending()
668 	rfcomm_dlc_lock(dev->dlc);  in rfcomm_tty_copy_pending()
670 	while ((skb = skb_dequeue(&dev->pending))) {  in rfcomm_tty_copy_pending()
671 		inserted += tty_insert_flip_string(&dev->port, skb->data,  in rfcomm_tty_copy_pending()
676 	rfcomm_dlc_unlock(dev->dlc);  in rfcomm_tty_copy_pending()
679 		tty_flip_buffer_push(&dev->port);  in rfcomm_tty_copy_pending()
687 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_cleanup()  local
689 	clear_bit(RFCOMM_TTY_ATTACHED, &dev->flags);  in rfcomm_tty_cleanup()
691 	rfcomm_dlc_lock(dev->dlc);  in rfcomm_tty_cleanup()
693 	rfcomm_dlc_unlock(dev->dlc);  in rfcomm_tty_cleanup()
699 	skb_queue_purge(&dev->dlc->tx_queue);  in rfcomm_tty_cleanup()
701 	tty_port_put(&dev->port);  in rfcomm_tty_cleanup()
710 	struct rfcomm_dev *dev;  in rfcomm_tty_install()  local
714 	dev = rfcomm_dev_get(tty->index);  in rfcomm_tty_install()
715 	if (!dev)  in rfcomm_tty_install()
718 	dlc = dev->dlc;  in rfcomm_tty_install()
722 	tty->driver_data = dev;  in rfcomm_tty_install()
724 	set_bit(RFCOMM_TTY_ATTACHED, &dev->flags);  in rfcomm_tty_install()
727 	err = tty_port_install(&dev->port, driver, tty);  in rfcomm_tty_install()
738 	if (test_bit(RFCOMM_RELEASE_ONHUP, &dev->flags)) {  in rfcomm_tty_install()
739 		set_bit(RFCOMM_TTY_OWNED, &dev->status);  in rfcomm_tty_install()
740 		tty_port_put(&dev->port);  in rfcomm_tty_install()
748 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_open()  local
753 	BT_DBG("dev %p dst %pMR channel %d opened %d", dev, &dev->dst,  in rfcomm_tty_open()
754 	       dev->channel, dev->port.count);  in rfcomm_tty_open()
756 	err = tty_port_open(&dev->port, tty, filp);  in rfcomm_tty_open()
765 	rfcomm_tty_copy_pending(dev);  in rfcomm_tty_open()
767 	rfcomm_dlc_unthrottle(dev->dlc);  in rfcomm_tty_open()
774 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_close()  local
776 	BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc,  in rfcomm_tty_close()
777 						dev->port.count);  in rfcomm_tty_close()
779 	tty_port_close(&dev->port, tty, filp);  in rfcomm_tty_close()
785 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_write()  local
786 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_tty_write()
795 		skb = rfcomm_wmalloc(dev, size + RFCOMM_SKB_RESERVE, GFP_ATOMIC);  in rfcomm_tty_write()
814 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_write_room()  local
817 	if (dev && dev->dlc)  in rfcomm_tty_write_room()
818 		room = rfcomm_room(dev);  in rfcomm_tty_write_room()
868 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_set_termios()  local
872 	if (!dev || !dev->dlc || !dev->dlc->session)  in rfcomm_tty_set_termios()
993 		rfcomm_send_rpn(dev->dlc->session, 1, dev->dlc->dlci, baud,  in rfcomm_tty_set_termios()
1000 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_throttle()  local
1002 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_throttle()
1004 	rfcomm_dlc_throttle(dev->dlc);  in rfcomm_tty_throttle()
1009 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_unthrottle()  local
1011 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_unthrottle()
1013 	rfcomm_dlc_unthrottle(dev->dlc);  in rfcomm_tty_unthrottle()
1018 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_chars_in_buffer()  local
1020 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_chars_in_buffer()
1022 	if (!dev || !dev->dlc)  in rfcomm_tty_chars_in_buffer()
1025 	if (!skb_queue_empty(&dev->dlc->tx_queue))  in rfcomm_tty_chars_in_buffer()
1026 		return dev->dlc->mtu;  in rfcomm_tty_chars_in_buffer()
1033 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_flush_buffer()  local
1035 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_flush_buffer()
1037 	if (!dev || !dev->dlc)  in rfcomm_tty_flush_buffer()
1040 	skb_queue_purge(&dev->dlc->tx_queue);  in rfcomm_tty_flush_buffer()
1056 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_hangup()  local
1058 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_hangup()
1060 	tty_port_hangup(&dev->port);  in rfcomm_tty_hangup()
1065 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_tiocmget()  local
1067 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_tiocmget()
1069 	return dev->modem_status;  in rfcomm_tty_tiocmget()
1074 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_tiocmset()  local
1075 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_tty_tiocmset()
1078 	BT_DBG("tty %p dev %p set 0x%02x clear 0x%02x", tty, dev, set, clear);  in rfcomm_tty_tiocmset()