62 	struct rfcomm_dlc	*dlc;  member
74 static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb);
75 static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err);
76 static void rfcomm_dev_modem_status(struct rfcomm_dlc *dlc, u8 v24_sig);
83 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_dev_destruct()  local
85 	BT_DBG("dev %p dlc %p", dev, dlc);  in rfcomm_dev_destruct()
87 	rfcomm_dlc_lock(dlc);  in rfcomm_dev_destruct()
89 	if (dlc->owner == dev)  in rfcomm_dev_destruct()
90 		dlc->owner = NULL;  in rfcomm_dev_destruct()
91 	rfcomm_dlc_unlock(dlc);  in rfcomm_dev_destruct()
93 	rfcomm_dlc_put(dlc);  in rfcomm_dev_destruct()
115 	err = rfcomm_dlc_open(dev->dlc, &dev->src, &dev->dst, dev->channel);  in rfcomm_dev_activate()
126 	return (dev->dlc->state == BT_CONNECTED);  in rfcomm_dev_carrier_raised()
138 	rfcomm_dlc_close(dev->dlc, 0);  in rfcomm_dev_shutdown()
218 					   struct rfcomm_dlc *dlc)  in __rfcomm_dev_add()  argument
277 	rfcomm_dlc_lock(dlc);  in __rfcomm_dev_add()
280 		struct sock *sk = dlc->owner;  in __rfcomm_dev_add()
285 		rfcomm_dlc_throttle(dlc);  in __rfcomm_dev_add()
294 	dlc->data_ready   = rfcomm_dev_data_ready;  in __rfcomm_dev_add()
295 	dlc->state_change = rfcomm_dev_state_change;  in __rfcomm_dev_add()
296 	dlc->modem_status = rfcomm_dev_modem_status;  in __rfcomm_dev_add()
298 	dlc->owner = dev;  in __rfcomm_dev_add()
299 	dev->dlc   = dlc;  in __rfcomm_dev_add()
301 	rfcomm_dev_modem_status(dlc, dlc->remote_v24_sig);  in __rfcomm_dev_add()
303 	rfcomm_dlc_unlock(dlc);  in __rfcomm_dev_add()
318 static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc)  in rfcomm_dev_add()  argument
325 	dev = __rfcomm_dev_add(req, dlc);  in rfcomm_dev_add()
327 		rfcomm_dlc_put(dlc);  in rfcomm_dev_add()
354 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_room()  local
359 	return max(0, pending) * dlc->mtu;  in rfcomm_room()
394 	struct rfcomm_dlc *dlc;  in __rfcomm_create_dev()  local
410 		dlc = rfcomm_pi(sk)->dlc;  in __rfcomm_create_dev()
411 		rfcomm_dlc_hold(dlc);  in __rfcomm_create_dev()
414 		dlc = rfcomm_dlc_exists(&req.src, &req.dst, req.channel);  in __rfcomm_create_dev()
415 		if (IS_ERR(dlc))  in __rfcomm_create_dev()
416 			return PTR_ERR(dlc);  in __rfcomm_create_dev()
417 		if (dlc)  in __rfcomm_create_dev()
419 		dlc = rfcomm_dlc_alloc(GFP_KERNEL);  in __rfcomm_create_dev()
420 		if (!dlc)  in __rfcomm_create_dev()
424 	id = rfcomm_dev_add(&req, dlc);  in __rfcomm_create_dev()
464 		rfcomm_dlc_close(dev->dlc, 0);  in __rfcomm_release_dev()
533 		(di + n)->state   = dev->dlc->state;  in rfcomm_get_dev_list()
570 	di.state   = dev->dlc->state;  in rfcomm_get_dev_info()
603 static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb)  in rfcomm_dev_data_ready()  argument
605 	struct rfcomm_dev *dev = dlc->owner;  in rfcomm_dev_data_ready()
617 	BT_DBG("dlc %p len %d", dlc, skb->len);  in rfcomm_dev_data_ready()
625 static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err)  in rfcomm_dev_state_change()  argument
627 	struct rfcomm_dev *dev = dlc->owner;  in rfcomm_dev_state_change()
631 	BT_DBG("dlc %p dev %p err %d", dlc, dev, err);  in rfcomm_dev_state_change()
634 	if (dlc->state == BT_CONNECTED) {  in rfcomm_dev_state_change()
638 	} else if (dlc->state == BT_CLOSED)  in rfcomm_dev_state_change()
642 static void rfcomm_dev_modem_status(struct rfcomm_dlc *dlc, u8 v24_sig)  in rfcomm_dev_modem_status()  argument
644 	struct rfcomm_dev *dev = dlc->owner;  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()
668 	rfcomm_dlc_lock(dev->dlc);  in rfcomm_tty_copy_pending()
676 	rfcomm_dlc_unlock(dev->dlc);  in rfcomm_tty_copy_pending()
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()
711 	struct rfcomm_dlc *dlc;  in rfcomm_tty_install()  local
718 	dlc = dev->dlc;  in rfcomm_tty_install()
721 	rfcomm_dlc_lock(dlc);  in rfcomm_tty_install()
723 	rfcomm_dlc_unlock(dlc);  in rfcomm_tty_install()
767 	rfcomm_dlc_unthrottle(dev->dlc);  in rfcomm_tty_open()
776 	BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc,  in rfcomm_tty_close()
786 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_tty_write()  local
793 		size = min_t(size_t, count, dlc->mtu);  in rfcomm_tty_write()
803 		rfcomm_dlc_send_noerror(dlc, skb);  in rfcomm_tty_write()
817 	if (dev && dev->dlc)  in rfcomm_tty_write_room()
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()
1004 	rfcomm_dlc_throttle(dev->dlc);  in rfcomm_tty_throttle()
1013 	rfcomm_dlc_unthrottle(dev->dlc);  in rfcomm_tty_unthrottle()
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()
1037 	if (!dev || !dev->dlc)  in rfcomm_tty_flush_buffer()
1040 	skb_queue_purge(&dev->dlc->tx_queue);  in rfcomm_tty_flush_buffer()
1075 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_tty_tiocmset()  local
1080 	rfcomm_dlc_get_modem_status(dlc, &v24_sig);  in rfcomm_tty_tiocmset()
1100 	rfcomm_dlc_set_modem_status(dlc, v24_sig);  in rfcomm_tty_tiocmset()