Merge nuts.ninka.net:/disk1/davem/BK/bluetooth-2.6

into nuts.ninka.net:/disk1/davem/BK/net-2.6

CREDITS

@@ -1394,7 +1394,9 @@ S: USA
 N: Marcel Holtmann
 E: marcel@holtmann.org
 W: http://www.holtmann.org
+D: Maintainer of the Linux Bluetooth Subsystem
 D: Author and maintainer of the various Bluetooth HCI drivers
+D: Author and maintainer of the CAPI message transport protocol driver
 D: Various other Bluetooth related patches, cleanups and fixes
 S: Germany
 

MAINTAINERS

@@ -338,35 +338,64 @@ L:	linux-kernel@vger.kernel.org
 S:	Maintained
 
 BLUETOOTH SUBSYSTEM
+P:	Marcel Holtmann
+M:	marcel@holtmann.org
 P:	Maxim Krasnyansky
 M:	maxk@qualcomm.com
+L:	bluez-devel@lists.sf.net
 W:	http://bluez.sf.net
 S:	Maintained
 
 BLUETOOTH RFCOMM LAYER
+P:	Marcel Holtmann
+M:	marcel@holtmann.org
 P:	Maxim Krasnyansky
 M:	maxk@qualcomm.com
 W:	http://bluez.sf.net
 S:	Maintained
 
 BLUETOOTH BNEP LAYER
+P:	Marcel Holtmann
+M:	marcel@holtmann.org
 P:	Maxim Krasnyansky
 M:	maxk@qualcomm.com
 W:	http://bluez.sf.net
 S:	Maintained
 
+BLUETOOTH CMTP LAYER
+P:	Marcel Holtmann
+M:	marcel@holtmann.org
+W:	http://www.holtmann.org/linux/bluetooth/
+S:	Maintained
+
 BLUETOOTH HCI USB DRIVER
+P:	Marcel Holtmann
+M:	marcel@holtmann.org
 P:	Maxim Krasnyansky
 M:	maxk@qualcomm.com
 W:	http://bluez.sf.net
 S:	Maintained
 
 BLUETOOTH HCI UART DRIVER
+P:	Marcel Holtmann
+M:	marcel@holtmann.org
 P:	Maxim Krasnyansky
 M:	maxk@qualcomm.com
 W:	http://bluez.sf.net
 S:	Maintained
 
+BLUETOOTH HCI BCM203X DRIVER
+P:	Marcel Holtmann
+M:	marcel@holtmann.org
+W:	http://www.holtmann.org/linux/bluetooth/
+S:	Maintained
+
+BLUETOOTH HCI BFUSB DRIVER
+P:	Marcel Holtmann
+M:	marcel@holtmann.org
+W:	http://www.holtmann.org/linux/bluetooth/
+S:	Maintained
+
 BLUETOOTH HCI DTL1 DRIVER
 P:	Marcel Holtmann
 M:	marcel@holtmann.org

drivers/bluetooth/Kconfig

@@ -13,22 +13,14 @@ config BT_HCIUSB
 	  Say Y here to compile support for Bluetooth USB devices into the
 	  kernel or say M to compile it as module (hci_usb).
 
-config BT_USB_SCO
-	bool "SCO over HCI USB support"
+config BT_HCIUSB_SCO
+	bool "SCO (voice) support"
 	depends on BT_HCIUSB
 	help
 	  This option enables the SCO support in the HCI USB driver. You need this
-	  to transmit voice data with your Bluetooth USB device. 
-	  Say Y here to compile support for SCO over HCI USB.
+	  to transmit voice data with your Bluetooth USB device.
 
-config BT_USB_ZERO_PACKET
-	bool "USB zero packet support"
-	depends on BT_HCIUSB
-	help
-	  This option is provided only as a work around for buggy Bluetooth USB 
-	  devices. Do _not_ enable it unless you know for sure that your device 
-	  requires zero packets.
-	  Most people should say N here.
+	  Say Y here to compile support for SCO over HCI USB.
 
 config BT_HCIUART
 	tristate "HCI UART driver"
@@ -65,13 +57,38 @@ config BT_HCIUART_BCSP
 	  Say Y here to compile support for HCI BCSP protocol.
 
 config BT_HCIUART_BCSP_TXCRC
-        bool "Transmit CRC with every BCSP packet"
-        depends on BT_HCIUART_BCSP
-        help
+	bool "Transmit CRC with every BCSP packet"
+	depends on BT_HCIUART_BCSP
+	help
 	  If you say Y here, a 16-bit CRC checksum will be transmitted along with
 	  every BCSP (BlueCore Serial Protocol) packet sent to the Bluetooth chip.
 	  This increases reliability, but slightly reduces efficiency.
 
+config BT_HCIBCM203X
+	tristate "HCI BCM203x USB driver"
+	depends on USB && BT
+	select FW_LOADER
+	help
+	  Bluetooth HCI BCM203x USB driver.
+	  This driver provides the firmware loading mechanism for the Broadcom
+	  Blutonium based devices.
+
+	  Say Y here to compile support for HCI BCM203x devices into the
+	  kernel or say M to compile it as module (bcm203x).
+
+config BT_HCIBFUSB
+	tristate "HCI BlueFRITZ! USB driver"
+	depends on USB && BT
+	select FW_LOADER
+	help
+	  Bluetooth HCI BlueFRITZ! USB driver.
+	  This driver provides support for Bluetooth USB devices with AVM
+	  interface:
+	     AVM BlueFRITZ! USB
+
+	  Say Y here to compile support for HCI BFUSB devices into the
+	  kernel or say M to compile it as module (bfusb).
+
 config BT_HCIDTL1
 	tristate "HCI DTL1 (PC Card) driver"
 	depends on PCMCIA && BT

drivers/bluetooth/Makefile

@@ -5,6 +5,8 @@
 obj-$(CONFIG_BT_HCIUSB)		+= hci_usb.o
 obj-$(CONFIG_BT_HCIVHCI)	+= hci_vhci.o
 obj-$(CONFIG_BT_HCIUART)	+= hci_uart.o
+obj-$(CONFIG_BT_HCIBCM203X)	+= bcm203x.o
+obj-$(CONFIG_BT_HCIBFUSB)	+= bfusb.o
 obj-$(CONFIG_BT_HCIDTL1)	+= dtl1_cs.o
 obj-$(CONFIG_BT_HCIBT3C)	+= bt3c_cs.o
 obj-$(CONFIG_BT_HCIBLUECARD)	+= bluecard_cs.o

drivers/bluetooth/bcm203x.c

+/*
+ *
+ *  Broadcom Blutonium firmware driver
+ *
+ *  Copyright (C) 2003  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/timer.h>
+
+#include <linux/device.h>
+#include <linux/firmware.h>
+
+#include <linux/usb.h>
+
+#include <net/bluetooth/bluetooth.h>
+
+#ifndef CONFIG_BT_HCIBCM203X_DEBUG
+#undef  BT_DBG
+#define BT_DBG(D...)
+#endif
+
+#define VERSION "1.0"
+
+static struct usb_device_id bcm203x_table[] = {
+	/* Broadcom Blutonium (BCM2033) */
+	{ USB_DEVICE(0x0a5c, 0x2033) },
+
+	{ }	/* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, bcm203x_table);
+
+
+#define BCM203X_ERROR		0
+#define BCM203X_RESET		1
+#define BCM203X_LOAD_MINIDRV	2
+#define BCM203X_SELECT_MEMORY	3
+#define BCM203X_CHECK_MEMORY	4
+#define BCM203X_LOAD_FIRMWARE	5
+#define BCM203X_CHECK_FIRMWARE	6
+
+#define BCM203X_IN_EP		0x81
+#define BCM203X_OUT_EP		0x02
+
+struct bcm203x_data {
+	struct usb_device	*udev;
+
+	unsigned long		state;
+
+	struct timer_list	timer;
+
+	struct urb		*urb;
+	unsigned char		buffer[4096];
+
+	unsigned char		*fw_data;
+	unsigned int		fw_size;
+	unsigned int		fw_sent;
+};
+
+static void bcm203x_complete(struct urb *urb, struct pt_regs *regs)
+{
+	struct bcm203x_data *data = urb->context;
+	struct usb_device *udev = urb->dev;
+	int len;
+
+	BT_DBG("udev %p urb %p", udev, urb);
+
+	if (urb->status) {
+		BT_ERR("URB failed with status %d", urb->status);
+		data->state = BCM203X_ERROR;
+		return;
+	}
+
+	switch (data->state) {
+	case BCM203X_LOAD_MINIDRV:
+		memcpy(data->buffer, "#", 1);
+
+		usb_fill_bulk_urb(urb, udev,
+				usb_sndbulkpipe(udev, BCM203X_OUT_EP),
+				data->buffer, 1, bcm203x_complete, data);
+
+		data->state = BCM203X_SELECT_MEMORY;
+
+		mod_timer(&data->timer, jiffies + (HZ / 10));
+		break;
+
+	case BCM203X_SELECT_MEMORY:
+		usb_fill_int_urb(urb, udev,
+				usb_rcvintpipe(udev, BCM203X_IN_EP),
+				data->buffer, 32, bcm203x_complete, data, 1);
+
+		data->state = BCM203X_CHECK_MEMORY;
+
+		if (usb_submit_urb(data->urb, GFP_ATOMIC) < 0)
+			BT_ERR("Can't submit URB");
+		break;
+
+	case BCM203X_CHECK_MEMORY:
+		if (data->buffer[0] != '#') {
+			BT_ERR("Memory select failed");
+			data->state = BCM203X_ERROR;
+			break;
+		}
+
+		data->state = BCM203X_LOAD_FIRMWARE;
+
+	case BCM203X_LOAD_FIRMWARE:
+		if (data->fw_sent == data->fw_size) {
+			usb_fill_int_urb(urb, udev,
+					usb_rcvintpipe(udev, BCM203X_IN_EP),
+					data->buffer, 32,
+					bcm203x_complete, data, 1);
+
+			data->state = BCM203X_CHECK_FIRMWARE;
+		} else {
+			len = min_t(uint, data->fw_size - data->fw_sent,
+							sizeof(data->buffer));
+
+			usb_fill_bulk_urb(urb, udev,
+					usb_sndbulkpipe(udev, BCM203X_OUT_EP),
+					data->fw_data + data->fw_sent, len,
+					bcm203x_complete, data);
+
+			data->fw_sent += len;
+		}
+
+		if (usb_submit_urb(data->urb, GFP_ATOMIC) < 0)
+			BT_ERR("Can't submit URB");
+		break;
+
+	case BCM203X_CHECK_FIRMWARE:
+		if (data->buffer[0] != '.') {
+			BT_ERR("Firmware loading failed");
+			data->state = BCM203X_ERROR;
+			break;
+		}
+
+		data->state = BCM203X_RESET;
+		break;
+	}
+}
+
+static void bcm203x_timer(unsigned long user_data)
+{
+	struct bcm203x_data *data = (struct bcm203x_data *) user_data;
+
+	if (usb_submit_urb(data->urb, GFP_ATOMIC) < 0)
+		BT_ERR("Can't submit URB");
+}
+
+static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+	const struct firmware *firmware;
+	struct usb_device *udev = interface_to_usbdev(intf);
+	struct bcm203x_data *data;
+
+	BT_DBG("intf %p id %p", intf, id);
+
+	if (intf->altsetting->desc.bInterfaceNumber != 0)
+		return -ENODEV;
+
+	data = kmalloc(sizeof(*data), GFP_KERNEL);
+	if (!data) {
+		BT_ERR("Can't allocate memory for data structure");
+		return -ENOMEM;
+	}
+
+	memset(data, 0, sizeof(*data));
+
+	data->udev  = udev;
+	data->state = BCM203X_LOAD_MINIDRV;
+
+	data->urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!data->urb) {
+		BT_ERR("Can't allocate URB");
+		kfree(data);
+		return -ENOMEM;
+	}
+
+	if (request_firmware(&firmware, "BCM2033-MD.hex", &udev->dev) < 0) {
+		BT_ERR("Mini driver request failed");
+		usb_free_urb(data->urb);
+		kfree(data);
+		return -EIO;
+	}
+
+	BT_DBG("minidrv data %p size %d", firmware->data, firmware->size);
+
+	if (firmware->size > sizeof(data->buffer)) {
+		BT_ERR("Mini driver exceeds size of buffer");
+		release_firmware(firmware);
+		usb_free_urb(data->urb);
+		kfree(data);
+		return -EIO;
+	}
+
+	memcpy(data->buffer, firmware->data, firmware->size);
+
+	usb_fill_bulk_urb(data->urb, udev,
+			usb_sndbulkpipe(udev, BCM203X_OUT_EP),
+			data->buffer, firmware->size, bcm203x_complete, data);
+
+	release_firmware(firmware);
+
+	if (request_firmware(&firmware, "BCM2033-FW.bin", &udev->dev) < 0) {
+		BT_ERR("Firmware request failed");
+		usb_free_urb(data->urb);
+		kfree(data);
+		return -EIO;
+	}
+
+	BT_DBG("firmware data %p size %d", firmware->data, firmware->size);
+
+	data->fw_data = kmalloc(firmware->size, GFP_KERNEL);
+	if (!data->fw_data) {
+		BT_ERR("Can't allocate memory for firmware image");
+		usb_free_urb(data->urb);
+		kfree(data);
+		return -ENOMEM;
+	}
+
+	memcpy(data->fw_data, firmware->data, firmware->size);
+	data->fw_size = firmware->size;
+	data->fw_sent = 0;
+
+	release_firmware(firmware);
+
+	init_timer(&data->timer);
+	data->timer.function = bcm203x_timer;
+	data->timer.data = (unsigned long) data;
+
+	usb_set_intfdata(intf, data);
+
+	mod_timer(&data->timer, jiffies + HZ);
+
+	return 0;
+}
+
+static void bcm203x_disconnect(struct usb_interface *intf)
+{
+	struct bcm203x_data *data = usb_get_intfdata(intf);
+
+	BT_DBG("intf %p", intf);
+
+	usb_unlink_urb(data->urb);
+
+	usb_set_intfdata(intf, NULL);
+
+	usb_free_urb(data->urb);
+	kfree(data->fw_data);
+	kfree(data);
+}
+
+static struct usb_driver bcm203x_driver = {
+	.owner		= THIS_MODULE,
+	.name		= "bcm203x",
+	.probe		= bcm203x_probe,
+	.disconnect	= bcm203x_disconnect,
+	.id_table	= bcm203x_table,
+};
+
+static int __init bcm203x_init(void)
+{
+	int err;
+
+	BT_INFO("Broadcom Blutonium firmware driver ver %s", VERSION);
+
+	err = usb_register(&bcm203x_driver);
+	if (err < 0)
+		BT_ERR("Failed to register USB driver");
+
+	return err;
+}
+
+static void __exit bcm203x_cleanup(void)
+{
+	usb_deregister(&bcm203x_driver);
+}
+
+module_init(bcm203x_init);
+module_exit(bcm203x_cleanup);
+
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
+MODULE_DESCRIPTION("Broadcom Blutonium firmware driver ver " VERSION);
+MODULE_LICENSE("GPL");

drivers/bluetooth/bfusb.c

+/*
+ *
+ *  AVM BlueFRITZ! USB driver
+ *
+ *  Copyright (C) 2003  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/skbuff.h>
+
+#include <linux/device.h>
+#include <linux/firmware.h>
+
+#include <linux/usb.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#ifndef CONFIG_BT_HCIBFUSB_DEBUG
+#undef  BT_DBG
+#define BT_DBG(D...)
+#endif
+
+#define VERSION "1.1"
+
+static struct usb_driver bfusb_driver;
+
+static struct usb_device_id bfusb_table[] = {
+	/* AVM BlueFRITZ! USB */
+	{ USB_DEVICE(0x057c, 0x2200) },
+
+	{ }	/* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, bfusb_table);
+
+
+#define BFUSB_MAX_BLOCK_SIZE	256
+
+#define BFUSB_BLOCK_TIMEOUT	(HZ * 3)
+
+#define BFUSB_TX_PROCESS	1
+#define BFUSB_TX_WAKEUP		2
+
+#define BFUSB_MAX_BULK_TX	2
+#define BFUSB_MAX_BULK_RX	2
+
+struct bfusb {
+	struct hci_dev		hdev;
+
+	unsigned long		state;
+
+	struct usb_device	*udev;
+
+	unsigned int		bulk_in_ep;
+	unsigned int		bulk_out_ep;
+	unsigned int		bulk_pkt_size;
+
+	rwlock_t		lock;
+
+	struct sk_buff_head	transmit_q;
+
+	struct sk_buff		*reassembly;
+
+	atomic_t		pending_tx;
+	struct sk_buff_head	pending_q;
+	struct sk_buff_head	completed_q;
+};
+
+struct bfusb_scb {
+	struct urb *urb;
+};
+
+static void bfusb_tx_complete(struct urb *urb, struct pt_regs *regs);
+static void bfusb_rx_complete(struct urb *urb, struct pt_regs *regs);
+
+static struct urb *bfusb_get_completed(struct bfusb *bfusb)
+{
+	struct sk_buff *skb;
+	struct urb *urb = NULL;
+
+	BT_DBG("bfusb %p", bfusb);
+
+	skb = skb_dequeue(&bfusb->completed_q);
+	if (skb) {
+		urb = ((struct bfusb_scb *) skb->cb)->urb;
+		kfree_skb(skb);
+	}
+
+	return urb;
+}
+
+static inline void bfusb_unlink_urbs(struct bfusb *bfusb)
+{
+	struct sk_buff *skb;
+	struct urb *urb;
+
+	BT_DBG("bfusb %p", bfusb);
+
+	while ((skb = skb_dequeue(&bfusb->pending_q))) {
+		urb = ((struct bfusb_scb *) skb->cb)->urb;
+		usb_unlink_urb(urb);
+		skb_queue_tail(&bfusb->completed_q, skb);
+	}
+
+	while ((urb = bfusb_get_completed(bfusb)))
+		usb_free_urb(urb);
+}
+
+
+static int bfusb_send_bulk(struct bfusb *bfusb, struct sk_buff *skb)
+{
+	struct bfusb_scb *scb = (void *) skb->cb;
+	struct urb *urb = bfusb_get_completed(bfusb);
+	int err, pipe;
+
+	BT_DBG("bfusb %p skb %p len %d", bfusb, skb, skb->len);
+
+	if (!urb && !(urb = usb_alloc_urb(0, GFP_ATOMIC)))
+		return -ENOMEM;
+
+	pipe = usb_sndbulkpipe(bfusb->udev, bfusb->bulk_out_ep);
+
+	usb_fill_bulk_urb(urb, bfusb->udev, pipe, skb->data, skb->len,
+			bfusb_tx_complete, skb);
+
+	scb->urb = urb;
+
+	skb_queue_tail(&bfusb->pending_q, skb);
+
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err) {
+		BT_ERR("%s bulk tx submit failed urb %p err %d", 
+					bfusb->hdev.name, urb, err);
+		skb_unlink(skb);
+		usb_free_urb(urb);
+	} else
+		atomic_inc(&bfusb->pending_tx);
+
+	return err;
+}
+
+static void bfusb_tx_wakeup(struct bfusb *bfusb)
+{
+	struct sk_buff *skb;
+
+	BT_DBG("bfusb %p", bfusb);
+
+	if (test_and_set_bit(BFUSB_TX_PROCESS, &bfusb->state)) {
+		set_bit(BFUSB_TX_WAKEUP, &bfusb->state);
+		return;
+	}
+
+	do {
+		clear_bit(BFUSB_TX_WAKEUP, &bfusb->state);
+
+		while ((atomic_read(&bfusb->pending_tx) < BFUSB_MAX_BULK_TX) &&
+				(skb = skb_dequeue(&bfusb->transmit_q))) {
+			if (bfusb_send_bulk(bfusb, skb) < 0) {
+				skb_queue_head(&bfusb->transmit_q, skb);
+				break;
+			}
+		}
+
+	} while (test_bit(BFUSB_TX_WAKEUP, &bfusb->state));
+
+	clear_bit(BFUSB_TX_PROCESS, &bfusb->state);
+}
+
+static void bfusb_tx_complete(struct urb *urb, struct pt_regs *regs)
+{
+	struct sk_buff *skb = (struct sk_buff *) urb->context;
+	struct bfusb *bfusb = (struct bfusb *) skb->dev;
+
+	BT_DBG("bfusb %p urb %p skb %p len %d", bfusb, urb, skb, skb->len);
+
+	atomic_dec(&bfusb->pending_tx);
+
+	if (!test_bit(HCI_RUNNING, &bfusb->hdev.flags))
+		return;
+
+	if (!urb->status)
+		bfusb->hdev.stat.byte_tx += skb->len;
+	else
+		bfusb->hdev.stat.err_tx++;
+
+	read_lock(&bfusb->lock);
+
+	skb_unlink(skb);
+	skb_queue_tail(&bfusb->completed_q, skb);
+
+	bfusb_tx_wakeup(bfusb);
+
+	read_unlock(&bfusb->lock);
+}
+
+
+static int bfusb_rx_submit(struct bfusb *bfusb, struct urb *urb)
+{
+	struct bfusb_scb *scb;
+	struct sk_buff *skb;
+	int err, pipe, size = HCI_MAX_FRAME_SIZE + 32;
+
+	BT_DBG("bfusb %p urb %p", bfusb, urb);
+
+	if (!urb && !(urb = usb_alloc_urb(0, GFP_ATOMIC)))
+		return -ENOMEM;
+
+	if (!(skb = bt_skb_alloc(size, GFP_ATOMIC))) {
+		usb_free_urb(urb);
+		return -ENOMEM;
+	}
+
+	skb->dev = (void *) bfusb;
+
+	scb = (struct bfusb_scb *) skb->cb;
+	scb->urb = urb;
+
+	pipe = usb_rcvbulkpipe(bfusb->udev, bfusb->bulk_in_ep);
+
+	usb_fill_bulk_urb(urb, bfusb->udev, pipe, skb->data, size,
+			bfusb_rx_complete, skb);
+
+	skb_queue_tail(&bfusb->pending_q, skb);
+
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err) {
+		BT_ERR("%s bulk rx submit failed urb %p err %d",
+					bfusb->hdev.name, urb, err);
+		skb_unlink(skb);
+		kfree_skb(skb);
+		usb_free_urb(urb);
+	}
+
+	return err;
+}
+
+static inline int bfusb_recv_block(struct bfusb *bfusb, int hdr, unsigned char *data, int len)
+{
+	BT_DBG("bfusb %p hdr 0x%02x data %p len %d", bfusb, hdr, data, len);
+
+	if (hdr & 0x10) {
+		BT_ERR("%s error in block", bfusb->hdev.name);
+		if (bfusb->reassembly)
+			kfree_skb(bfusb->reassembly);
+		bfusb->reassembly = NULL;
+		return -EIO;
+	}
+
+	if (hdr & 0x04) {
+		struct sk_buff *skb;
+		unsigned char pkt_type;
+		int pkt_len = 0;
+
+		if (bfusb->reassembly) {
+			BT_ERR("%s unexpected start block", bfusb->hdev.name);
+			kfree_skb(bfusb->reassembly);
+			bfusb->reassembly = NULL;
+		}
+
+		if (len < 1) {
+			BT_ERR("%s no packet type found", bfusb->hdev.name);
+			return -EPROTO;
+		}
+
+		pkt_type = *data++; len--;
+
+		switch (pkt_type) {
+		case HCI_EVENT_PKT:
+			if (len >= HCI_EVENT_HDR_SIZE) {
+				struct hci_event_hdr *hdr = (struct hci_event_hdr *) data;
+				pkt_len = HCI_EVENT_HDR_SIZE + hdr->plen;
+			} else {
+				BT_ERR("%s event block is too short", bfusb->hdev.name);
+				return -EILSEQ;
+			}
+			break;
+
+		case HCI_ACLDATA_PKT:
+			if (len >= HCI_ACL_HDR_SIZE) {
+				struct hci_acl_hdr *hdr = (struct hci_acl_hdr *) data;
+				pkt_len = HCI_ACL_HDR_SIZE + __le16_to_cpu(hdr->dlen);
+			} else {
+				BT_ERR("%s data block is too short", bfusb->hdev.name);
+				return -EILSEQ;
+			}
+			break;
+
+		case HCI_SCODATA_PKT:
+			if (len >= HCI_SCO_HDR_SIZE) {
+				struct hci_sco_hdr *hdr = (struct hci_sco_hdr *) data;
+				pkt_len = HCI_SCO_HDR_SIZE + hdr->dlen;
+			} else {
+				BT_ERR("%s audio block is too short", bfusb->hdev.name);
+				return -EILSEQ;
+			}
+			break;
+		}
+
+		skb = bt_skb_alloc(pkt_len, GFP_ATOMIC);
+		if (!skb) {
+			BT_ERR("%s no memory for the packet", bfusb->hdev.name);
+			return -ENOMEM;
+		}
+
+		skb->dev = (void *) &bfusb->hdev;
+		skb->pkt_type = pkt_type;
+
+		bfusb->reassembly = skb;
+	} else {
+		if (!bfusb->reassembly) {
+			BT_ERR("%s unexpected continuation block", bfusb->hdev.name);
+			return -EIO;
+		}
+	}
+
+	if (len > 0)
+		memcpy(skb_put(bfusb->reassembly, len), data, len);
+
+	if (hdr & 0x08) {
+		hci_recv_frame(bfusb->reassembly);
+		bfusb->reassembly = NULL;
+	}
+
+	return 0;
+}
+
+static void bfusb_rx_complete(struct urb *urb, struct pt_regs *regs)
+{
+	struct sk_buff *skb = (struct sk_buff *) urb->context;
+	struct bfusb *bfusb = (struct bfusb *) skb->dev;
+	unsigned char *buf = urb->transfer_buffer;
+	int count = urb->actual_length;
+	int err, hdr, len;
+
+	BT_DBG("bfusb %p urb %p skb %p len %d", bfusb, urb, skb, skb->len);
+
+	if (!test_bit(HCI_RUNNING, &bfusb->hdev.flags))
+		return;
+
+	read_lock(&bfusb->lock);
+
+	if (urb->status || !count)
+		goto resubmit;
+
+	bfusb->hdev.stat.byte_rx += count;
+
+	skb_put(skb, count);
+
+	while (count) {
+		hdr = buf[0] | (buf[1] << 8);
+
+		if (hdr & 0x4000) {
+			len = 0;
+			count -= 2;
+			buf   += 2;
+		} else {
+			len = (buf[2] == 0) ? 256 : buf[2];
+			count -= 3;
+			buf   += 3;
+		}
+
+		if (count < len) {
+			BT_ERR("%s block extends over URB buffer ranges",
+					bfusb->hdev.name);
+		}
+
+		if ((hdr & 0xe1) == 0xc1)
+			bfusb_recv_block(bfusb, hdr, buf, len);
+
+		count -= len;
+		buf   += len;
+	}
+
+	skb_unlink(skb);
+	kfree_skb(skb);
+
+	bfusb_rx_submit(bfusb, urb);
+
+	read_unlock(&bfusb->lock);
+
+	return;
+
+resubmit:
+	urb->dev = bfusb->udev;
+
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err) {
+		BT_ERR("%s bulk resubmit failed urb %p err %d",
+					bfusb->hdev.name, urb, err);
+	}
+
+	read_unlock(&bfusb->lock);
+}
+
+
+static int bfusb_open(struct hci_dev *hdev)
+{
+	struct bfusb *bfusb = (struct bfusb *) hdev->driver_data;
+	unsigned long flags;
+	int i, err;
+
+	BT_DBG("hdev %p bfusb %p", hdev, bfusb);
+
+	if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
+		return 0;
+
+	write_lock_irqsave(&bfusb->lock, flags);
+
+	err = bfusb_rx_submit(bfusb, NULL);
+	if (!err) {
+		for (i = 1; i < BFUSB_MAX_BULK_RX; i++)
+			bfusb_rx_submit(bfusb, NULL);
+	} else {
+		clear_bit(HCI_RUNNING, &hdev->flags);
+	}
+
+	write_unlock_irqrestore(&bfusb->lock, flags);
+
+	return err;
+}
+
+static int bfusb_flush(struct hci_dev *hdev)
+{
+	struct bfusb *bfusb = (struct bfusb *) hdev->driver_data;
+
+	BT_DBG("hdev %p bfusb %p", hdev, bfusb);
+
+	skb_queue_purge(&bfusb->transmit_q);
+
+	return 0;
+}
+
+static int bfusb_close(struct hci_dev *hdev)
+{
+	struct bfusb *bfusb = (struct bfusb *) hdev->driver_data;
+	unsigned long flags;
+
+	BT_DBG("hdev %p bfusb %p", hdev, bfusb);
+
+	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
+		return 0;
+
+	write_lock_irqsave(&bfusb->lock, flags);
+	write_unlock_irqrestore(&bfusb->lock, flags);
+
+	bfusb_unlink_urbs(bfusb);
+	bfusb_flush(hdev);
+
+	return 0;
+}
+
+static int bfusb_send_frame(struct sk_buff *skb)
+{
+	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+	struct bfusb *bfusb;
+	struct sk_buff *nskb;
+	unsigned char buf[3];
+	int sent = 0, size, count;
+
+	BT_DBG("hdev %p skb %p type %d len %d", hdev, skb, skb->pkt_type, skb->len);
+
+	if (!hdev) {
+		BT_ERR("Frame for unknown HCI device (hdev=NULL)");
+		return -ENODEV;
+	}
+
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		return -EBUSY;
+
+	bfusb = (struct bfusb *) hdev->driver_data;
+
+	switch (skb->pkt_type) {
+	case HCI_COMMAND_PKT:
+		hdev->stat.cmd_tx++;
+		break;
+	case HCI_ACLDATA_PKT:
+		hdev->stat.acl_tx++;
+		break;
+	case HCI_SCODATA_PKT:
+		hdev->stat.sco_tx++;
+		break;
+	};
+
+	/* Prepend skb with frame type */
+	memcpy(skb_push(skb, 1), &(skb->pkt_type), 1);
+
+	count = skb->len;
+
+	/* Max HCI frame size seems to be 1511 + 1 */
+	if (!(nskb = bt_skb_alloc(count + 32, GFP_ATOMIC))) {
+		BT_ERR("Can't allocate memory for new packet");
+		return -ENOMEM;
+	}
+
+	nskb->dev = (void *) bfusb;
+
+	while (count) {
+		size = min_t(uint, count, BFUSB_MAX_BLOCK_SIZE);
+
+		buf[0] = 0xc1 | ((sent == 0) ? 0x04 : 0) | ((count == size) ? 0x08 : 0);
+		buf[1] = 0x00;
+		buf[2] = (size == BFUSB_MAX_BLOCK_SIZE) ? 0 : size;
+
+		memcpy(skb_put(nskb, 3), buf, 3);
+		memcpy(skb_put(nskb, size), skb->data + sent, size);
+
+		sent  += size;
+		count -= size;
+	}
+
+	/* Don't send frame with multiple size of bulk max packet */
+	if ((nskb->len % bfusb->bulk_pkt_size) == 0) {
+		buf[0] = 0xdd;
+		buf[1] = 0x00;
+		memcpy(skb_put(nskb, 2), buf, 2);
+	}
+
+	read_lock(&bfusb->lock);
+
+	skb_queue_tail(&bfusb->transmit_q, nskb);
+	bfusb_tx_wakeup(bfusb);
+
+	read_unlock(&bfusb->lock);
+
+	kfree_skb(skb);
+
+	return 0;
+}
+
+static void bfusb_destruct(struct hci_dev *hdev)
+{
+	struct bfusb *bfusb = (struct bfusb *) hdev->driver_data;
+
+	BT_DBG("hdev %p bfusb %p", hdev, bfusb);
+
+	kfree(bfusb);
+}
+
+static int bfusb_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg)
+{
+	return -ENOIOCTLCMD;
+}
+
+
+static int bfusb_load_firmware(struct bfusb *bfusb, unsigned char *firmware, int count)
+{
+	unsigned char *buf;
+	int err, pipe, len, size, sent = 0;
+
+	BT_DBG("bfusb %p udev %p", bfusb, bfusb->udev);
+
+	BT_INFO("BlueFRITZ! USB loading firmware");
+
+	pipe = usb_sndctrlpipe(bfusb->udev, 0);
+
+	if (usb_control_msg(bfusb->udev, pipe, USB_REQ_SET_CONFIGURATION,
+				0, 1, 0, NULL, 0, HZ * USB_CTRL_SET_TIMEOUT) < 0) {
+		BT_ERR("Can't change to loading configuration");
+		return -EBUSY;
+	}
+
+	buf = kmalloc(BFUSB_MAX_BLOCK_SIZE + 3, GFP_ATOMIC);
+	if (!buf) {
+		BT_ERR("Can't allocate memory chunk for firmware");
+		return -ENOMEM;
+	}
+
+	pipe = usb_sndbulkpipe(bfusb->udev, bfusb->bulk_out_ep);
+
+	while (count) {
+		size = min_t(uint, count, BFUSB_MAX_BLOCK_SIZE + 3);
+
+		memcpy(buf, firmware + sent, size);
+
+		err = usb_bulk_msg(bfusb->udev, pipe, buf, size,
+					&len, BFUSB_BLOCK_TIMEOUT);
+
+		if (err || (len != size)) {
+			BT_ERR("Error in firmware loading");
+			goto error;
+		}
+
+		sent  += size;
+		count -= size;
+	}
+
+	if ((err = usb_bulk_msg(bfusb->udev, pipe, NULL, 0,
+				&len, BFUSB_BLOCK_TIMEOUT)) < 0) {
+		BT_ERR("Error in null packet request");
+		goto error;
+	}
+
+	pipe = usb_sndctrlpipe(bfusb->udev, 0);
+
+        if ((err = usb_control_msg(bfusb->udev, pipe, USB_REQ_SET_CONFIGURATION,
+				0, 2, 0, NULL, 0, HZ * USB_CTRL_SET_TIMEOUT)) < 0) {
+		BT_ERR("Can't change to running configuration");
+		goto error;
+	}
+
+	BT_INFO("BlueFRITZ! USB device ready");
+
+	kfree(buf);
+	return 0;
+
+error:
+	kfree(buf);
+
+	pipe = usb_sndctrlpipe(bfusb->udev, 0);
+
+	usb_control_msg(bfusb->udev, pipe, USB_REQ_SET_CONFIGURATION,
+				0, 0, 0, NULL, 0, HZ * USB_CTRL_SET_TIMEOUT);
+
+	return err;
+}
+
+static int bfusb_probe(struct usb_interface *iface, const struct usb_device_id *id)
+{
+	const struct firmware *firmware;
+	struct usb_device *udev = interface_to_usbdev(iface);
+	struct usb_host_endpoint *bulk_out_ep;
+	struct usb_host_endpoint *bulk_in_ep;
+	struct hci_dev *hdev;
+	struct bfusb *bfusb;
+
+	BT_DBG("iface %p id %p", iface, id);
+
+	/* Check number of endpoints */
+	if (iface->altsetting[0].desc.bNumEndpoints < 2)
+		return -EIO;
+
+	bulk_out_ep = &iface->altsetting[0].endpoint[0];
+	bulk_in_ep  = &iface->altsetting[0].endpoint[1];
+
+	if (!bulk_out_ep || !bulk_in_ep) {
+		BT_ERR("Bulk endpoints not found");
+		goto done;
+	}
+
+	/* Initialize control structure and load firmware */
+	if (!(bfusb = kmalloc(sizeof(struct bfusb), GFP_KERNEL))) {
+		BT_ERR("Can't allocate memory for control structure");
+		goto done;
+	}
+
+	memset(bfusb, 0, sizeof(struct bfusb));
+
+	bfusb->udev = udev;
+	bfusb->bulk_in_ep    = bulk_in_ep->desc.bEndpointAddress;
+	bfusb->bulk_out_ep   = bulk_out_ep->desc.bEndpointAddress;
+	bfusb->bulk_pkt_size = bulk_out_ep->desc.wMaxPacketSize;
+
+	bfusb->lock = RW_LOCK_UNLOCKED;
+
+	bfusb->reassembly = NULL;
+
+	skb_queue_head_init(&bfusb->transmit_q);
+	skb_queue_head_init(&bfusb->pending_q);
+	skb_queue_head_init(&bfusb->completed_q);
+
+	if (request_firmware(&firmware, "bfubase.frm", &udev->dev) < 0) {
+		BT_ERR("Firmware request failed");
+		goto error;
+	}
+
+	BT_DBG("firmware data %p size %d", firmware->data, firmware->size);
+
+	if (bfusb_load_firmware(bfusb, firmware->data, firmware->size) < 0) {
+		BT_ERR("Firmware loading failed");
+		goto release;
+	}
+
+	release_firmware(firmware);
+
+	/* Initialize and register HCI device */
+	hdev = &bfusb->hdev;
+
+	hdev->type = HCI_USB;
+	hdev->driver_data = bfusb;
+
+	hdev->open     = bfusb_open;
+	hdev->close    = bfusb_close;
+	hdev->flush    = bfusb_flush;
+	hdev->send     = bfusb_send_frame;
+	hdev->destruct = bfusb_destruct;
+	hdev->ioctl    = bfusb_ioctl;
+
+	hdev->owner = THIS_MODULE;
+
+	if (hci_register_dev(hdev) < 0) {
+		BT_ERR("Can't register HCI device");
+		goto error;
+	}
+
+	usb_set_intfdata(iface, bfusb);
+
+	return 0;
+
+release:
+	release_firmware(firmware);
+
+error:
+	kfree(bfusb);
+
+done:
+	return -EIO;
+}
+
+static void bfusb_disconnect(struct usb_interface *iface)
+{
+	struct bfusb *bfusb = usb_get_intfdata(iface);
+	struct hci_dev *hdev = &bfusb->hdev;
+
+	BT_DBG("iface %p", iface);
+
+	if (!hdev)
+		return;
+
+	usb_set_intfdata(iface, NULL);
+
+	bfusb_close(hdev);
+
+	if (hci_unregister_dev(hdev) < 0)
+		BT_ERR("Can't unregister HCI device %s", hdev->name);
+}
+
+static struct usb_driver bfusb_driver = {
+	.owner		= THIS_MODULE,
+	.name		= "bfusb",
+	.probe		= bfusb_probe,
+	.disconnect	= bfusb_disconnect,
+	.id_table	= bfusb_table,
+};
+
+static int __init bfusb_init(void)
+{
+	int err;
+
+	BT_INFO("BlueFRITZ! USB driver ver %s", VERSION);
+
+	if ((err = usb_register(&bfusb_driver)) < 0)
+		BT_ERR("Failed to register BlueFRITZ! USB driver");
+
+	return err;
+}
+
+static void __exit bfusb_cleanup(void)
+{
+	usb_deregister(&bfusb_driver);
+}
+
+module_init(bfusb_init);
+module_exit(bfusb_cleanup);
+
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
+MODULE_DESCRIPTION("BlueFRITZ! USB driver ver " VERSION);
+MODULE_LICENSE("GPL");

drivers/bluetooth/bluecard_cs.c

@@ -499,7 +499,7 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset)
 }
 
 
-void bluecard_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
+static irqreturn_t bluecard_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 {
 	bluecard_info_t *info = dev_inst;
 	unsigned int iobase;
@@ -507,11 +507,11 @@ void bluecard_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 
 	if (!info) {
 		printk(KERN_WARNING "bluecard_cs: Call of irq %d for unknown device.\n", irq);
-		return;
+		return IRQ_NONE;
 	}
 
 	if (!test_bit(CARD_READY, &(info->hw_state)))
-		return;
+		return IRQ_NONE;
 
 	iobase = info->link.io.BasePort1;
 
@@ -556,6 +556,8 @@ void bluecard_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 	outb(info->ctrl_reg, iobase + REG_CONTROL);
 
 	spin_unlock(&(info->lock));
+
+	return IRQ_HANDLED;
 }
 
 

drivers/bluetooth/bt3c_cs.c

@@ -355,7 +355,7 @@ static void bt3c_receive(bt3c_info_t *info)
 }
 
 
-void bt3c_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
+static irqreturn_t bt3c_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 {
 	bt3c_info_t *info = dev_inst;
 	unsigned int iobase;
@@ -363,7 +363,7 @@ void bt3c_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 
 	if (!info) {
 		printk(KERN_WARNING "bt3c_cs: Call of irq %d for unknown device.\n", irq);
-		return;
+		return IRQ_NONE;
 	}
 
 	iobase = info->link.io.BasePort1;
@@ -396,6 +396,8 @@ void bt3c_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 	}
 
 	spin_unlock(&(info->lock));
+
+	return IRQ_HANDLED;
 }
 
 

drivers/bluetooth/btuart_cs.c

@@ -301,7 +301,7 @@ static void btuart_receive(btuart_info_t *info)
 }
 
 
-void btuart_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
+static irqreturn_t btuart_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 {
 	btuart_info_t *info = dev_inst;
 	unsigned int iobase;
@@ -310,7 +310,7 @@ void btuart_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 
 	if (!info) {
 		printk(KERN_WARNING "btuart_cs: Call of irq %d for unknown device.\n", irq);
-		return;
+		return IRQ_NONE;
 	}
 
 	iobase = info->link.io.BasePort1;
@@ -351,6 +351,8 @@ void btuart_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 	}
 
 	spin_unlock(&(info->lock));
+
+	return IRQ_HANDLED;
 }
 
 

drivers/bluetooth/dtl1_cs.c

@@ -304,7 +304,7 @@ static void dtl1_receive(dtl1_info_t *info)
 }
 
 
-void dtl1_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
+static irqreturn_t dtl1_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 {
 	dtl1_info_t *info = dev_inst;
 	unsigned int iobase;
@@ -314,7 +314,7 @@ void dtl1_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 
 	if (!info) {
 		printk(KERN_WARNING "dtl1_cs: Call of irq %d for unknown device.\n", irq);
-		return;
+		return IRQ_NONE;
 	}
 
 	iobase = info->link.io.BasePort1;
@@ -363,6 +363,8 @@ void dtl1_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
 	}
 
 	spin_unlock(&(info->lock));
+
+	return IRQ_HANDLED;
 }
 
 

drivers/bluetooth/hci_usb.c

@@ -62,7 +62,7 @@
 #define BT_DMP( A... )
 #endif
 
-#ifndef CONFIG_BT_USB_ZERO_PACKET
+#ifndef CONFIG_BT_HCIUSB_ZERO_PACKET
 #undef  URB_ZERO_PACKET
 #define URB_ZERO_PACKET 0
 #endif
@@ -70,12 +70,21 @@
 static struct usb_driver hci_usb_driver; 
 
 static struct usb_device_id bluetooth_ids[] = {
+	/* Broadcom BCM2033 without firmware */
+	{ USB_DEVICE(0x0a5c, 0x2033), driver_info: HCI_IGNORE },
+
+	/* Digianswer device */
+	{ USB_DEVICE(0x08fd, 0x0001), driver_info: HCI_DIGIANSWER },
+
 	/* Generic Bluetooth USB device */
 	{ USB_DEVICE_INFO(HCI_DEV_CLASS, HCI_DEV_SUBCLASS, HCI_DEV_PROTOCOL) },
 
 	/* Ericsson with non-standard id */
 	{ USB_DEVICE(0x0bdb, 0x1002) },
 
+	/* ALPS Module with non-standard id */
+	{ USB_DEVICE(0x044e, 0x3002) },
+
 	/* Bluetooth Ultraport Module from IBM */
 	{ USB_DEVICE(0x04bf, 0x030a) },
 
@@ -84,13 +93,6 @@ static struct usb_device_id bluetooth_ids[] = {
 
 MODULE_DEVICE_TABLE (usb, bluetooth_ids);
 
-static struct usb_device_id ignore_ids[] = {
-	/* Broadcom BCM2033 without firmware */
-	{ USB_DEVICE(0x0a5c, 0x2033) },
-
-	{ }	/* Terminating entry */
-};
-
 struct _urb *_urb_alloc(int isoc, int gfp)
 {
 	struct _urb *_urb = kmalloc(sizeof(struct _urb) +
@@ -134,7 +136,7 @@ static inline struct _urb *__get_completed(struct hci_usb *husb, int type)
 	return _urb_dequeue(__completed_q(husb, type)); 
 }
 
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 static void __fill_isoc_desc(struct urb *urb, int len, int mtu)
 {
 	int offset = 0, i;
@@ -232,7 +234,7 @@ static int hci_usb_bulk_rx_submit(struct hci_usb *husb)
 	return err;
 }
 
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 static int hci_usb_isoc_rx_submit(struct hci_usb *husb)
 {
 	struct _urb *_urb;
@@ -301,9 +303,10 @@ static int hci_usb_open(struct hci_dev *hdev)
 		for (i = 0; i < HCI_MAX_BULK_RX; i++)
 			hci_usb_bulk_rx_submit(husb);
 
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 		if (husb->isoc_iface)
-			hci_usb_isoc_rx_submit(husb);
+			for (i = 0; i < HCI_MAX_ISOC_RX; i++)
+				hci_usb_isoc_rx_submit(husb);
 #endif
 	} else {
 		clear_bit(HCI_RUNNING, &hdev->flags);
@@ -425,7 +428,7 @@ static inline int hci_usb_send_ctrl(struct hci_usb *husb, struct sk_buff *skb)
 	} else
 		dr = (void *) _urb->urb.setup_packet;
 
-	dr->bRequestType = HCI_CTRL_REQ;
+	dr->bRequestType = husb->ctrl_req;
 	dr->bRequest = 0;
 	dr->wIndex   = 0;
 	dr->wValue   = 0;
@@ -466,7 +469,7 @@ static inline int hci_usb_send_bulk(struct hci_usb *husb, struct sk_buff *skb)
 	return __tx_submit(husb, _urb);
 }
 
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 static inline int hci_usb_send_isoc(struct hci_usb *husb, struct sk_buff *skb)
 {
 	struct _urb *_urb = __get_completed(husb, skb->pkt_type);
@@ -517,10 +520,10 @@ static void hci_usb_tx_process(struct hci_usb *husb)
 				skb_queue_head(q, skb);
 		}
 
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 		/* Process SCO queue */
 		q = __transmit_q(husb, HCI_SCODATA_PKT);
-		if (!atomic_read(__pending_tx(husb, HCI_SCODATA_PKT)) &&
+		if (atomic_read(__pending_tx(husb, HCI_SCODATA_PKT)) < HCI_MAX_ISOC_TX &&
 				(skb = skb_dequeue(q))) {
 			if (hci_usb_send_isoc(husb, skb) < 0)
 				skb_queue_head(q, skb);
@@ -576,7 +579,7 @@ static int hci_usb_send_frame(struct sk_buff *skb)
 		hdev->stat.acl_tx++;
 		break;
 
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 	case HCI_SCODATA_PKT:
 		hdev->stat.sco_tx++;
 		break;
@@ -626,7 +629,7 @@ static inline int __recv_frame(struct hci_usb *husb, int type, void *data, int c
 				} else
 					return -EILSEQ;
 				break;
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 			case HCI_SCODATA_PKT:
 				if (count >= HCI_SCO_HDR_SIZE) {
 					struct hci_sco_hdr *h = data;
@@ -691,7 +694,7 @@ static void hci_usb_rx_complete(struct urb *urb, struct pt_regs *regs)
 		goto resubmit;
 
 	if (_urb->type == HCI_SCODATA_PKT) {
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 		int i;
 		for (i=0; i < urb->number_of_packets; i++) {
 			BT_DBG("desc %d status %d offset %d len %d", i,
@@ -785,9 +788,11 @@ int hci_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 
 	iface = udev->actconfig->interface[0];
 
-	/* Check our black list */
-	if (usb_match_id(intf, ignore_ids))
-		return -EIO;
+	if (id->driver_info & HCI_IGNORE)
+		return -ENODEV;
+
+	if (intf->altsetting->desc.bInterfaceNumber > 0)
+		return -ENODEV;
 
 	/* Check number of endpoints */
 	if (intf->altsetting[0].desc.bNumEndpoints < 3)
@@ -826,9 +831,9 @@ int hci_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 						bulk_out_ep[i] = ep;
 					break;
 
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 				case USB_ENDPOINT_XFER_ISOC:
-					if (ep->desc.wMaxPacketSize < size)
+					if (ep->desc.wMaxPacketSize < size || a > 2)
 						break;
 					size = ep->desc.wMaxPacketSize;
 
@@ -852,7 +857,7 @@ int hci_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 		goto done;
 	}
 
-#ifdef CONFIG_BT_USB_SCO
+#ifdef CONFIG_BT_HCIUSB_SCO
 	if (!isoc_in_ep[1] || !isoc_out_ep[1]) {
 		BT_DBG("Isoc endpoints not found");
 		isoc_iface = NULL;
@@ -871,7 +876,12 @@ int hci_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	husb->bulk_in_ep  = bulk_in_ep[0];
 	husb->intr_in_ep  = intr_in_ep[0];
 
-#ifdef CONFIG_BT_USB_SCO
+	if (id->driver_info & HCI_DIGIANSWER)
+		husb->ctrl_req = HCI_DIGI_REQ;
+	else
+		husb->ctrl_req = HCI_CTRL_REQ;
+
+#ifdef CONFIG_BT_HCIUSB_SCO
 	if (isoc_iface) {
 		BT_DBG("isoc ifnum %d alts %d", isoc_ifnum, isoc_alts);
 		if (usb_set_interface(udev, isoc_ifnum, isoc_alts)) {

drivers/bluetooth/hci_usb.h

@@ -35,12 +35,19 @@
 #define HCI_DEV_PROTOCOL     0x01	/* Bluetooth programming protocol */
 
 #define HCI_CTRL_REQ	     0x20
+#define HCI_DIGI_REQ	     0x40
+
+#define HCI_IGNORE           0x01
+#define HCI_DIGIANSWER       0x02
 
 #define HCI_MAX_IFACE_NUM	3 
 
 #define HCI_MAX_BULK_TX     	4
 #define HCI_MAX_BULK_RX     	1
 
+#define HCI_MAX_ISOC_RX		2
+#define HCI_MAX_ISOC_TX		2
+
 #define HCI_MAX_ISOC_FRAMES     10
 
 struct _urb_queue {
@@ -119,6 +126,8 @@ struct hci_usb {
 	struct usb_host_endpoint	*isoc_out_ep;
 	struct usb_host_endpoint	*isoc_in_ep;
 
+	__u8			ctrl_req;
+
 	struct sk_buff_head	transmit_q[4];
 	struct sk_buff		*reassembly[4]; // Reassembly buffers
 

include/net/bluetooth/bluetooth.h

@@ -47,7 +47,8 @@
 #define BTPROTO_HCI     1
 #define BTPROTO_SCO   	2
 #define BTPROTO_RFCOMM	3
-#define BTPROTO_BNEP    4
+#define BTPROTO_BNEP	4
+#define BTPROTO_CMTP	5
 
 #define SOL_HCI     0
 #define SOL_L2CAP   6

include/net/bluetooth/hci.h

@@ -408,6 +408,16 @@ struct inquiry_info {
 	__u16    clock_offset;
 } __attribute__ ((packed));
 
+#define HCI_EV_INQUIRY_RESULT_WITH_RSSI	0x22
+struct inquiry_info_with_rssi {
+	bdaddr_t bdaddr;
+	__u8     pscan_rep_mode;
+	__u8     pscan_period_mode;
+	__u8     dev_class[3];
+	__u16    clock_offset;
+	__u8     rssi;
+} __attribute__ ((packed));
+
 #define HCI_EV_CONN_COMPLETE 	0x03
 struct hci_ev_conn_complete {
 	__u8     status;

include/net/bluetooth/hci_core.h

@@ -176,6 +176,12 @@ static inline void inquiry_cache_init(struct hci_dev *hdev)
 	c->list = NULL;
 }
 
+static inline int inquiry_cache_empty(struct hci_dev *hdev)
+{
+	struct inquiry_cache *c = &hdev->inq_cache;
+	return (c->list == NULL);
+}
+
 static inline long inquiry_cache_age(struct hci_dev *hdev)
 {
 	struct inquiry_cache *c = &hdev->inq_cache;
@@ -281,10 +287,12 @@ static inline void hci_conn_hold(struct hci_conn *conn)
 static inline void hci_conn_put(struct hci_conn *conn)
 {
 	if (atomic_dec_and_test(&conn->refcnt)) {
-		if (conn->type == SCO_LINK)
+		if (conn->type == ACL_LINK) {
+			unsigned long timeo = (conn->out) ?
+				HCI_DISCONN_TIMEOUT : HCI_DISCONN_TIMEOUT * 2;
+			hci_conn_set_timer(conn, timeo);
+		} else
 			hci_conn_set_timer(conn, HZ / 100);
-		else if (conn->out)
-			hci_conn_set_timer(conn, HCI_DISCONN_TIMEOUT);
 	}
 }
 

include/net/bluetooth/rfcomm.h

@@ -167,8 +167,8 @@ struct rfcomm_session {
 	int              initiator;
 
 	/* Default DLC parameters */
+	int    cfc;
 	uint   mtu;
-	uint   credits;
 
 	struct list_head dlcs;
 };
@@ -190,7 +190,7 @@ struct rfcomm_dlc {
 	u8            mscex;
 
 	uint          mtu;
-	uint          credits;
+	uint          cfc;
 	uint          rx_credits;
 	uint          tx_credits;
 
@@ -219,6 +219,11 @@ struct rfcomm_dlc {
 #define RFCOMM_MSCEX_RX     2
 #define RFCOMM_MSCEX_OK     (RFCOMM_MSCEX_TX + RFCOMM_MSCEX_RX)
 
+/* CFC states */
+#define RFCOMM_CFC_UNKNOWN  -1
+#define RFCOMM_CFC_DISABLED 0
+#define RFCOMM_CFC_ENABLED  RFCOMM_MAX_CREDITS
+
 extern struct task_struct *rfcomm_thread;
 extern unsigned long rfcomm_event;
 

mm/mremap.c

@@ -315,8 +315,12 @@ unsigned long do_mremap(unsigned long addr,
 	old_len = PAGE_ALIGN(old_len);
 	new_len = PAGE_ALIGN(new_len);
 
-	/* Don't allow the degenerate cases */
-	if (!old_len || !new_len)
+	/*
+	 * We allow a zero old-len as a special case
+	 * for DOS-emu "duplicate shm area" thing. But
+	 * a zero new-len is nonsensical.
+	 */
+	if (!new_len)
 		goto out;
 
 	/* new_addr is only valid if MREMAP_FIXED is specified */

net/bluetooth/Kconfig

@@ -21,6 +21,7 @@ config BT
 	     SCO Module (SCO links)
 	     RFCOMM Module (RFCOMM protocol)  
 	     BNEP Module (BNEP protocol)
+	     CMTP Module (CMTP protocol)
 
 	  Say Y here to enable Linux Bluetooth support and to build Bluetooth Core
 	  layer.
@@ -57,6 +58,8 @@ source "net/bluetooth/rfcomm/Kconfig"
 
 source "net/bluetooth/bnep/Kconfig"
 
+source "net/bluetooth/cmtp/Kconfig"
+
 source "drivers/bluetooth/Kconfig"
 
 endmenu

net/bluetooth/Makefile

@@ -7,5 +7,6 @@ obj-$(CONFIG_BT_L2CAP)	+= l2cap.o
 obj-$(CONFIG_BT_SCO)	+= sco.o
 obj-$(CONFIG_BT_RFCOMM)	+= rfcomm/
 obj-$(CONFIG_BT_BNEP)	+= bnep/
+obj-$(CONFIG_BT_CMTP)	+= cmtp/
 
 bluetooth-objs := af_bluetooth.o hci_core.o hci_conn.o hci_event.o hci_sock.o hci_proc.o lib.o syms.o

net/bluetooth/af_bluetooth.c

@@ -59,7 +59,7 @@
 struct proc_dir_entry *proc_bt;
 
 /* Bluetooth sockets */
-#define BT_MAX_PROTO	5
+#define BT_MAX_PROTO	6
 static struct net_proto_family *bt_proto[BT_MAX_PROTO];
 
 static kmem_cache_t *bt_sock_cache;

net/bluetooth/bnep/core.c

@@ -707,3 +707,4 @@ module_exit(bnep_cleanup_module);
 MODULE_DESCRIPTION("Bluetooth BNEP ver " VERSION);
 MODULE_AUTHOR("David Libault <david.libault@inventel.fr>, Maxim Krasnyanskiy <maxk@qualcomm.com>");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("bt-proto-4");

net/bluetooth/cmtp/Kconfig

+config BT_CMTP
+	tristate "CMTP protocol support"
+	depends on BT && BT_L2CAP && ISDN_CAPI
+	help
+	  CMTP (CAPI Message Transport Protocol) is a transport layer
+	  for CAPI messages. CMTP is required for the Bluetooth Common
+	  ISDN Access Profile.
+
+	  Say Y here to compile CMTP support into the kernel or say M to
+	  compile it as module (cmtp).
+

net/bluetooth/cmtp/Makefile

+#
+# Makefile for the Linux Bluetooth CMTP layer
+#
+
+obj-$(CONFIG_BT_CMTP) += cmtp.o
+
+cmtp-objs := core.o sock.o capi.o

net/bluetooth/cmtp/capi.c

+/* 
+   CMTP implementation for Linux Bluetooth stack (BlueZ).
+   Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License version 2 as
+   published by the Free Software Foundation;
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   SOFTWARE IS DISCLAIMED.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <linux/fcntl.h>
+#include <linux/skbuff.h>
+#include <linux/socket.h>
+#include <linux/ioctl.h>
+#include <linux/file.h>
+#include <net/sock.h>
+
+#include <linux/isdn/capilli.h>
+#include <linux/isdn/capicmd.h>
+#include <linux/isdn/capiutil.h>
+
+#include "cmtp.h"
+
+#ifndef CONFIG_BT_CMTP_DEBUG
+#undef  BT_DBG
+#define BT_DBG(D...)
+#endif
+
+#define CAPI_INTEROPERABILITY		0x20
+
+#define CAPI_INTEROPERABILITY_REQ	CAPICMD(CAPI_INTEROPERABILITY, CAPI_REQ)
+#define CAPI_INTEROPERABILITY_CONF	CAPICMD(CAPI_INTEROPERABILITY, CAPI_CONF)
+#define CAPI_INTEROPERABILITY_IND	CAPICMD(CAPI_INTEROPERABILITY, CAPI_IND)
+#define CAPI_INTEROPERABILITY_RESP	CAPICMD(CAPI_INTEROPERABILITY, CAPI_RESP)
+
+#define CAPI_INTEROPERABILITY_REQ_LEN	(CAPI_MSG_BASELEN + 2)
+#define CAPI_INTEROPERABILITY_CONF_LEN	(CAPI_MSG_BASELEN + 4)
+#define CAPI_INTEROPERABILITY_IND_LEN	(CAPI_MSG_BASELEN + 2)
+#define CAPI_INTEROPERABILITY_RESP_LEN	(CAPI_MSG_BASELEN + 2)
+
+#define CAPI_FUNCTION_REGISTER		0
+#define CAPI_FUNCTION_RELEASE		1
+#define CAPI_FUNCTION_GET_PROFILE	2
+#define CAPI_FUNCTION_GET_MANUFACTURER	3
+#define CAPI_FUNCTION_GET_VERSION	4
+#define CAPI_FUNCTION_GET_SERIAL_NUMBER	5
+#define CAPI_FUNCTION_MANUFACTURER	6
+#define CAPI_FUNCTION_LOOPBACK		7
+
+
+#define CMTP_MSGNUM	1
+#define CMTP_APPLID	2
+#define CMTP_MAPPING	3
+
+static struct cmtp_application *cmtp_application_add(struct cmtp_session *session, __u16 appl)
+{
+	struct cmtp_application *app = kmalloc(sizeof(*app), GFP_KERNEL);
+
+	BT_DBG("session %p application %p appl %d", session, app, appl);
+
+	if (!app)
+		return NULL;
+
+	memset(app, 0, sizeof(*app));
+
+	app->state = BT_OPEN;
+	app->appl = appl;
+
+	list_add_tail(&app->list, &session->applications);
+
+	return app;
+}
+
+static void cmtp_application_del(struct cmtp_session *session, struct cmtp_application *app)
+{
+	BT_DBG("session %p application %p", session, app);
+
+	if (app) {
+		list_del(&app->list);
+		kfree(app);
+	}
+}
+
+static struct cmtp_application *cmtp_application_get(struct cmtp_session *session, int pattern, __u16 value)
+{
+	struct cmtp_application *app;
+	struct list_head *p, *n;
+
+	list_for_each_safe(p, n, &session->applications) {
+		app = list_entry(p, struct cmtp_application, list);
+		switch (pattern) {
+		case CMTP_MSGNUM:
+			if (app->msgnum == value)
+				return app;
+			break;
+		case CMTP_APPLID:
+			if (app->appl == value)
+				return app;
+			break;
+		case CMTP_MAPPING:
+			if (app->mapping == value)
+				return app;
+			break;
+		}
+	}
+
+	return NULL;
+}
+
+static int cmtp_msgnum_get(struct cmtp_session *session)
+{
+	session->msgnum++;
+
+	if ((session->msgnum & 0xff) > 200)
+		session->msgnum = CMTP_INITIAL_MSGNUM + 1;
+
+	return session->msgnum;
+}
+
+
+static void cmtp_send_interopmsg(struct cmtp_session *session,
+					__u8 subcmd, __u16 appl, __u16 msgnum,
+					__u16 function, unsigned char *buf, int len)
+{
+	struct sk_buff *skb;
+	unsigned char *s;
+
+	BT_DBG("session %p subcmd 0x%02x appl %d msgnum %d", session, subcmd, appl, msgnum);
+
+	if (!(skb = alloc_skb(CAPI_MSG_BASELEN + 6 + len, GFP_ATOMIC))) {
+		BT_ERR("Can't allocate memory for interoperability packet");
+		return;
+	}
+
+	s = skb_put(skb, CAPI_MSG_BASELEN + 6 + len);
+
+	capimsg_setu16(s, 0, CAPI_MSG_BASELEN + 6 + len);
+	capimsg_setu16(s, 2, appl);
+	capimsg_setu8 (s, 4, CAPI_INTEROPERABILITY);
+	capimsg_setu8 (s, 5, subcmd);
+	capimsg_setu16(s, 6, msgnum);
+
+	/* Interoperability selector (Bluetooth Device Management) */
+	capimsg_setu16(s, 8, 0x0001);
+
+	capimsg_setu8 (s, 10, 3 + len);
+	capimsg_setu16(s, 11, function);
+	capimsg_setu8 (s, 13, len);
+
+	if (len > 0)
+		memcpy(s + 14, buf, len);
+
+	cmtp_send_capimsg(session, skb);
+}
+
+static void cmtp_recv_interopmsg(struct cmtp_session *session, struct sk_buff *skb)
+{
+	struct capi_ctr *ctrl = &session->ctrl;
+	struct cmtp_application *application;
+	__u16 appl, msgnum, func, info;
+	__u32 controller;
+
+	BT_DBG("session %p skb %p len %d", session, skb, skb->len);
+
+	switch (CAPIMSG_SUBCOMMAND(skb->data)) {
+	case CAPI_CONF:
+		func = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 5);
+		info = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 8);
+
+		switch (func) {
+		case CAPI_FUNCTION_REGISTER:
+			msgnum = CAPIMSG_MSGID(skb->data);
+
+			application = cmtp_application_get(session, CMTP_MSGNUM, msgnum);
+			if (application) {
+				application->state = BT_CONNECTED;
+				application->msgnum = 0;
+				application->mapping = CAPIMSG_APPID(skb->data);
+				wake_up_interruptible(&session->wait);
+			}
+
+			break;
+
+		case CAPI_FUNCTION_RELEASE:
+			appl = CAPIMSG_APPID(skb->data);
+
+			application = cmtp_application_get(session, CMTP_MAPPING, appl);
+			if (application) {
+				application->state = BT_CLOSED;
+				application->msgnum = 0;
+				wake_up_interruptible(&session->wait);
+			}
+
+			break;
+
+		case CAPI_FUNCTION_GET_PROFILE:
+			controller = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 11);
+			msgnum = CAPIMSG_MSGID(skb->data);
+
+			if (!info && (msgnum == CMTP_INITIAL_MSGNUM)) {
+				session->ncontroller = controller;
+				wake_up_interruptible(&session->wait);
+				break;
+			}
+
+			if (!info && ctrl) {
+				memcpy(&ctrl->profile,
+					skb->data + CAPI_MSG_BASELEN + 11,
+					sizeof(capi_profile));
+				session->state = BT_CONNECTED;
+				capi_ctr_ready(ctrl);
+			}
+
+			break;
+
+		case CAPI_FUNCTION_GET_MANUFACTURER:
+			controller = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 10);
+
+			if (!info && ctrl) {
+				strncpy(ctrl->manu,
+					skb->data + CAPI_MSG_BASELEN + 15,
+					skb->data[CAPI_MSG_BASELEN + 14]);
+			}
+
+			break;
+
+		case CAPI_FUNCTION_GET_VERSION:
+			controller = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 12);
+
+			if (!info && ctrl) {
+				ctrl->version.majorversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 16);
+				ctrl->version.minorversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 20);
+				ctrl->version.majormanuversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 24);
+				ctrl->version.minormanuversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 28);
+			}
+
+			break;
+
+		case CAPI_FUNCTION_GET_SERIAL_NUMBER:
+			controller = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 12);
+
+			if (!info && ctrl) {
+				memset(ctrl->serial, 0, CAPI_SERIAL_LEN);
+				strncpy(ctrl->serial,
+					skb->data + CAPI_MSG_BASELEN + 17,
+					skb->data[CAPI_MSG_BASELEN + 16]);
+			}
+
+			break;
+		}
+
+		break;
+
+	case CAPI_IND:
+		func = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 3);
+
+		if (func == CAPI_FUNCTION_LOOPBACK) {
+			appl = CAPIMSG_APPID(skb->data);
+			msgnum = CAPIMSG_MSGID(skb->data);
+			cmtp_send_interopmsg(session, CAPI_RESP, appl, msgnum, func,
+						skb->data + CAPI_MSG_BASELEN + 6,
+						skb->data[CAPI_MSG_BASELEN + 5]);
+		}
+
+		break;
+	}
+
+	kfree_skb(skb);
+}
+
+void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb)
+{
+	struct capi_ctr *ctrl = &session->ctrl;
+	struct cmtp_application *application;
+	__u16 cmd, appl;
+	__u32 contr;
+
+	BT_DBG("session %p skb %p len %d", session, skb, skb->len);
+
+	if (CAPIMSG_COMMAND(skb->data) == CAPI_INTEROPERABILITY) {
+		cmtp_recv_interopmsg(session, skb);
+		return;
+	}
+
+	if (session->flags & (1 << CMTP_LOOPBACK)) {
+		kfree_skb(skb);
+		return;
+	}
+
+	cmd = CAPICMD(CAPIMSG_COMMAND(skb->data), CAPIMSG_SUBCOMMAND(skb->data));
+	appl = CAPIMSG_APPID(skb->data);
+	contr = CAPIMSG_CONTROL(skb->data);
+
+	application = cmtp_application_get(session, CMTP_MAPPING, appl);
+	if (application) {
+		appl = application->appl;
+		CAPIMSG_SETAPPID(skb->data, appl);
+	} else {
+		BT_ERR("Can't find application with id %d", appl);
+		kfree_skb(skb);
+		return;
+	}
+
+	if ((contr & 0x7f) == 0x01) {
+		contr = (contr & 0xffffff80) | session->num;
+		CAPIMSG_SETCONTROL(skb->data, contr);
+	}
+
+	if (!ctrl) {
+		BT_ERR("Can't find controller %d for message", session->num);
+		kfree_skb(skb);
+		return;
+	}
+
+	capi_ctr_handle_message(ctrl, appl, skb);
+}
+
+void cmtp_send_capimsg(struct cmtp_session *session, struct sk_buff *skb)
+{
+	struct cmtp_scb *scb = (void *) skb->cb;
+
+	BT_DBG("session %p skb %p len %d", session, skb, skb->len);
+
+	scb->id = -1;
+	scb->data = (CAPIMSG_COMMAND(skb->data) == CAPI_DATA_B3);
+
+	skb_queue_tail(&session->transmit, skb);
+
+	cmtp_schedule(session);
+}
+
+
+static int cmtp_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
+{
+	BT_DBG("ctrl %p data %p", ctrl, data);
+
+	return 0;
+}
+
+static void cmtp_reset_ctr(struct capi_ctr *ctrl)
+{
+	struct cmtp_session *session = ctrl->driverdata;
+
+	BT_DBG("ctrl %p", ctrl);
+
+	capi_ctr_reseted(ctrl);
+
+	atomic_inc(&session->terminate);
+	cmtp_schedule(session);
+}
+
+static void cmtp_register_appl(struct capi_ctr *ctrl, __u16 appl, capi_register_params *rp)
+{
+	DECLARE_WAITQUEUE(wait, current);
+	struct cmtp_session *session = ctrl->driverdata;
+	struct cmtp_application *application;
+	unsigned long timeo = CMTP_INTEROP_TIMEOUT;
+	unsigned char buf[8];
+	int err = 0, nconn, want = rp->level3cnt;
+
+	BT_DBG("ctrl %p appl %d level3cnt %d datablkcnt %d datablklen %d",
+		ctrl, appl, rp->level3cnt, rp->datablkcnt, rp->datablklen);
+
+	application = cmtp_application_add(session, appl);
+	if (!application) {
+		BT_ERR("Can't allocate memory for new application");
+		return;
+	}
+
+	if (want < 0)
+		nconn = ctrl->profile.nbchannel * -want;
+	else
+		nconn = want;
+
+	if (nconn == 0)
+		nconn = ctrl->profile.nbchannel;
+
+	capimsg_setu16(buf, 0, nconn);
+	capimsg_setu16(buf, 2, rp->datablkcnt);
+	capimsg_setu16(buf, 4, rp->datablklen);
+
+	application->state = BT_CONFIG;
+	application->msgnum = cmtp_msgnum_get(session);
+
+	cmtp_send_interopmsg(session, CAPI_REQ, 0x0000, application->msgnum,
+				CAPI_FUNCTION_REGISTER, buf, 6);
+
+	add_wait_queue(&session->wait, &wait);
+	while (1) {
+		set_current_state(TASK_INTERRUPTIBLE);
+
+		if (!timeo) {
+			err = -EAGAIN;
+			break;
+		}
+
+		if (application->state == BT_CLOSED) {
+			err = -application->err;
+			break;
+		}
+
+		if (application->state == BT_CONNECTED)
+			break;
+
+		if (signal_pending(current)) {
+			err = -EINTR;
+			break;
+		}
+
+		timeo = schedule_timeout(timeo);
+	}
+	set_current_state(TASK_RUNNING);
+	remove_wait_queue(&session->wait, &wait);
+
+	if (err) {
+		cmtp_application_del(session, application);
+		return;
+	}
+}
+
+static void cmtp_release_appl(struct capi_ctr *ctrl, __u16 appl)
+{
+	DECLARE_WAITQUEUE(wait, current);
+	struct cmtp_session *session = ctrl->driverdata;
+	struct cmtp_application *application;
+	unsigned long timeo = CMTP_INTEROP_TIMEOUT;
+
+	BT_DBG("ctrl %p appl %d", ctrl, appl);
+
+	application = cmtp_application_get(session, CMTP_APPLID, appl);
+	if (!application) {
+		BT_ERR("Can't find application");
+		return;
+	}
+
+	application->msgnum = cmtp_msgnum_get(session);
+
+	cmtp_send_interopmsg(session, CAPI_REQ, application->mapping, application->msgnum,
+				CAPI_FUNCTION_RELEASE, NULL, 0);
+
+	add_wait_queue(&session->wait, &wait);
+	while (timeo) {
+		set_current_state(TASK_INTERRUPTIBLE);
+
+		if (application->state == BT_CLOSED)
+			break;
+
+		if (signal_pending(current))
+			break;
+
+		timeo = schedule_timeout(timeo);
+	}
+	set_current_state(TASK_RUNNING);
+	remove_wait_queue(&session->wait, &wait);
+
+	cmtp_application_del(session, application);
+}
+
+static u16 cmtp_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
+{
+	struct cmtp_session *session = ctrl->driverdata;
+	struct cmtp_application *application;
+	__u16 appl;
+	__u32 contr;
+
+	BT_DBG("ctrl %p skb %p", ctrl, skb);
+
+	appl = CAPIMSG_APPID(skb->data);
+	contr = CAPIMSG_CONTROL(skb->data);
+
+	application = cmtp_application_get(session, CMTP_APPLID, appl);
+	if ((!application) || (application->state != BT_CONNECTED)) {
+		BT_ERR("Can't find application with id %d", appl);
+		kfree_skb(skb);
+		return CAPI_ILLAPPNR;
+	}
+
+	CAPIMSG_SETAPPID(skb->data, application->mapping);
+
+	if ((contr & 0x7f) == session->num) {
+		contr = (contr & 0xffffff80) | 0x01;
+		CAPIMSG_SETCONTROL(skb->data, contr);
+	}
+
+	cmtp_send_capimsg(session, skb);
+
+	return CAPI_NOERROR;
+}
+
+static char *cmtp_procinfo(struct capi_ctr *ctrl)
+{
+	return "CAPI Message Transport Protocol";
+}
+
+static int cmtp_ctr_read_proc(char *page, char **start, off_t off, int count, int *eof, struct capi_ctr *ctrl)
+{
+	struct cmtp_session *session = ctrl->driverdata;
+	struct cmtp_application *app;
+	struct list_head *p, *n;
+	int len = 0;
+
+	len += sprintf(page + len, "%s\n\n", cmtp_procinfo(ctrl));
+	len += sprintf(page + len, "addr %s\n", session->name);
+	len += sprintf(page + len, "ctrl %d\n", session->num);
+
+	list_for_each_safe(p, n, &session->applications) {
+		app = list_entry(p, struct cmtp_application, list);
+		len += sprintf(page + len, "appl %d -> %d\n", app->appl, app->mapping);
+	}
+
+	if (off + count >= len)
+		*eof = 1;
+
+	if (len < off)
+		return 0;
+
+	*start = page + off;
+
+	return ((count < len - off) ? count : len - off);
+}
+
+
+int cmtp_attach_device(struct cmtp_session *session)
+{
+	DECLARE_WAITQUEUE(wait, current);
+	unsigned long timeo = CMTP_INTEROP_TIMEOUT;
+	unsigned char buf[4];
+
+	BT_DBG("session %p", session);
+
+	capimsg_setu32(buf, 0, 0);
+
+	cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, CMTP_INITIAL_MSGNUM,
+				CAPI_FUNCTION_GET_PROFILE, buf, 4);
+
+	add_wait_queue(&session->wait, &wait);
+	while (timeo) {
+		set_current_state(TASK_INTERRUPTIBLE);
+
+		if (session->ncontroller)
+			break;
+
+		if (signal_pending(current))
+			break;
+
+		timeo = schedule_timeout(timeo);
+	}
+	set_current_state(TASK_RUNNING);
+	remove_wait_queue(&session->wait, &wait);
+
+	BT_INFO("Found %d CAPI controller(s) on device %s", session->ncontroller, session->name);
+
+	if (!timeo)
+		return -ETIMEDOUT;
+
+	if (!session->ncontroller)
+		return -ENODEV;
+
+
+	if (session->ncontroller > 1)
+		BT_INFO("Setting up only CAPI controller 1");
+
+	session->ctrl.owner      = THIS_MODULE;
+	session->ctrl.driverdata = session;
+	strcpy(session->ctrl.name, session->name);
+
+	session->ctrl.driver_name   = "cmtp";
+	session->ctrl.load_firmware = cmtp_load_firmware;
+	session->ctrl.reset_ctr     = cmtp_reset_ctr;
+	session->ctrl.register_appl = cmtp_register_appl;
+	session->ctrl.release_appl  = cmtp_release_appl;
+	session->ctrl.send_message  = cmtp_send_message;
+
+	session->ctrl.procinfo      = cmtp_procinfo;
+	session->ctrl.ctr_read_proc = cmtp_ctr_read_proc;
+
+	if (attach_capi_ctr(&session->ctrl) < 0) {
+		BT_ERR("Can't attach new controller");
+		return -EBUSY;
+	}
+
+	session->num = session->ctrl.cnr;
+
+	BT_DBG("session %p num %d", session, session->num);
+
+	capimsg_setu32(buf, 0, 1);
+
+	cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session),
+				CAPI_FUNCTION_GET_MANUFACTURER, buf, 4);
+
+	cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session),
+				CAPI_FUNCTION_GET_VERSION, buf, 4);
+
+	cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session),
+				CAPI_FUNCTION_GET_SERIAL_NUMBER, buf, 4);
+
+	cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session),
+				CAPI_FUNCTION_GET_PROFILE, buf, 4);
+
+	return 0;
+}
+
+void cmtp_detach_device(struct cmtp_session *session)
+{
+	BT_DBG("session %p", session);
+
+	detach_capi_ctr(&session->ctrl);
+}

net/bluetooth/cmtp/cmtp.h

+/* 
+   CMTP implementation for Linux Bluetooth stack (BlueZ).
+   Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License version 2 as
+   published by the Free Software Foundation;
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   SOFTWARE IS DISCLAIMED.
+*/
+
+#ifndef __CMTP_H
+#define __CMTP_H
+
+#include <linux/types.h>
+#include <net/bluetooth/bluetooth.h>
+
+#define BTNAMSIZ 18
+
+/* CMTP ioctl defines */
+#define CMTPCONNADD	_IOW('C', 200, int)
+#define CMTPCONNDEL	_IOW('C', 201, int)
+#define CMTPGETCONNLIST	_IOR('C', 210, int)
+#define CMTPGETCONNINFO	_IOR('C', 211, int)
+
+#define CMTP_LOOPBACK	0
+
+struct cmtp_connadd_req {
+	int   sock;	// Connected socket
+	__u32 flags;
+};
+
+struct cmtp_conndel_req {
+	bdaddr_t bdaddr;
+	__u32    flags;
+};
+
+struct cmtp_conninfo {
+	bdaddr_t bdaddr;
+	__u32    flags;
+	__u16    state;
+	int      num;
+};
+
+struct cmtp_connlist_req {
+	__u32  cnum;
+	struct cmtp_conninfo *ci;
+};
+
+int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock);
+int cmtp_del_connection(struct cmtp_conndel_req *req);
+int cmtp_get_connlist(struct cmtp_connlist_req *req);
+int cmtp_get_conninfo(struct cmtp_conninfo *ci);
+
+/* CMTP session defines */
+#define CMTP_INTEROP_TIMEOUT	(HZ * 5)
+#define CMTP_INITIAL_MSGNUM	0xff00
+
+struct cmtp_session {
+	struct list_head list;
+
+	struct socket *sock;
+
+	bdaddr_t bdaddr;
+
+	unsigned long state;
+	unsigned long flags;
+
+	uint mtu;
+
+	char name[BTNAMSIZ];
+
+	atomic_t terminate;
+
+	wait_queue_head_t wait;
+
+	int ncontroller;
+	int num;
+	struct capi_ctr ctrl;
+
+	struct list_head applications;
+
+	unsigned long blockids;
+	int msgnum;
+
+	struct sk_buff_head transmit;
+
+	struct sk_buff *reassembly[16];
+};
+
+struct cmtp_application {
+	struct list_head list;
+
+	unsigned long state;
+	int err;
+
+	__u16 appl;
+	__u16 mapping;
+
+	__u16 msgnum;
+};
+
+struct cmtp_scb {
+	int id;
+	int data;
+};
+
+int  cmtp_attach_device(struct cmtp_session *session);
+void cmtp_detach_device(struct cmtp_session *session);
+
+void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb);
+void cmtp_send_capimsg(struct cmtp_session *session, struct sk_buff *skb);
+
+static inline void cmtp_schedule(struct cmtp_session *session)
+{
+	struct sock *sk = session->sock->sk;
+
+	wake_up_interruptible(sk->sk_sleep);
+}
+
+/* CMTP init defines */
+int cmtp_init_sockets(void);
+void cmtp_cleanup_sockets(void);
+
+#endif /* __CMTP_H */

net/bluetooth/cmtp/core.c

+/* 
+   CMTP implementation for Linux Bluetooth stack (BlueZ).
+   Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License version 2 as
+   published by the Free Software Foundation;
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   SOFTWARE IS DISCLAIMED.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <linux/fcntl.h>
+#include <linux/skbuff.h>
+#include <linux/socket.h>
+#include <linux/ioctl.h>
+#include <linux/file.h>
+#include <linux/init.h>
+#include <net/sock.h>
+
+#include <linux/isdn/capilli.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/l2cap.h>
+
+#include "cmtp.h"
+
+#ifndef CONFIG_BT_CMTP_DEBUG
+#undef  BT_DBG
+#define BT_DBG(D...)
+#endif
+
+#define VERSION "1.0"
+
+static DECLARE_RWSEM(cmtp_session_sem);
+static LIST_HEAD(cmtp_session_list);
+
+static struct cmtp_session *__cmtp_get_session(bdaddr_t *bdaddr)
+{
+	struct cmtp_session *session;
+	struct list_head *p;
+
+	BT_DBG("");
+
+	list_for_each(p, &cmtp_session_list) {
+		session = list_entry(p, struct cmtp_session, list);
+		if (!bacmp(bdaddr, &session->bdaddr))
+			return session;
+	}
+	return NULL;
+}
+
+static void __cmtp_link_session(struct cmtp_session *session)
+{
+	__module_get(THIS_MODULE);
+	list_add(&session->list, &cmtp_session_list);
+}
+
+static void __cmtp_unlink_session(struct cmtp_session *session)
+{
+	list_del(&session->list);
+	module_put(THIS_MODULE);
+}
+
+static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci)
+{
+	bacpy(&ci->bdaddr, &session->bdaddr);
+
+	ci->flags = session->flags;
+	ci->state = session->state;
+
+	ci->num = session->num;
+}
+
+
+static inline int cmtp_alloc_block_id(struct cmtp_session *session)
+{
+	int i, id = -1;
+
+	for (i = 0; i < 16; i++)
+		if (!test_and_set_bit(i, &session->blockids)) {
+			id = i;
+			break;
+		}
+
+	return id;
+}
+
+static inline void cmtp_free_block_id(struct cmtp_session *session, int id)
+{
+	clear_bit(id, &session->blockids);
+}
+
+static inline void cmtp_add_msgpart(struct cmtp_session *session, int id, const unsigned char *buf, int count)
+{
+	struct sk_buff *skb = session->reassembly[id], *nskb;
+	int size;
+
+	BT_DBG("session %p buf %p count %d", session, buf, count);
+
+	size = (skb) ? skb->len + count : count;
+
+	if (!(nskb = alloc_skb(size, GFP_ATOMIC))) {
+		BT_ERR("Can't allocate memory for CAPI message");
+		return;
+	}
+
+	if (skb && (skb->len > 0))
+		memcpy(skb_put(nskb, skb->len), skb->data, skb->len);
+
+	memcpy(skb_put(nskb, count), buf, count);
+
+	session->reassembly[id] = nskb;
+
+	if (skb)
+		kfree_skb(skb);
+}
+
+static inline int cmtp_recv_frame(struct cmtp_session *session, struct sk_buff *skb)
+{
+	__u8 hdr, hdrlen, id;
+	__u16 len;
+
+	BT_DBG("session %p skb %p len %d", session, skb, skb->len);
+
+	while (skb->len > 0) {
+		hdr = skb->data[0];
+
+		switch (hdr & 0xc0) {
+		case 0x40:
+			hdrlen = 2;
+			len = skb->data[1];
+			break;
+		case 0x80:
+			hdrlen = 3;
+			len = skb->data[1] | (skb->data[2] << 8);
+			break;
+		default:
+			hdrlen = 1;
+			len = 0;
+			break;
+		}
+
+		id = (hdr & 0x3c) >> 2;
+
+		BT_DBG("hdr 0x%02x hdrlen %d len %d id %d", hdr, hdrlen, len, id);
+
+		if (hdrlen + len > skb->len) {
+			BT_ERR("Wrong size or header information in CMTP frame");
+			break;
+		}
+
+		if (len == 0) {
+			skb_pull(skb, hdrlen);
+			continue;
+		}
+
+		switch (hdr & 0x03) {
+		case 0x00:
+			cmtp_add_msgpart(session, id, skb->data + hdrlen, len);
+			cmtp_recv_capimsg(session, session->reassembly[id]);
+			session->reassembly[id] = NULL;
+			break;
+		case 0x01:
+			cmtp_add_msgpart(session, id, skb->data + hdrlen, len);
+			break;
+		default:
+			if (session->reassembly[id] != NULL)
+				kfree_skb(session->reassembly[id]);
+			session->reassembly[id] = NULL;
+			break;
+		}
+
+		skb_pull(skb, hdrlen + len);
+	}
+
+	kfree_skb(skb);
+	return 0;
+}
+
+static int cmtp_send_frame(struct cmtp_session *session, unsigned char *data, int len)
+{
+	struct socket *sock = session->sock;
+	struct iovec iv = { data, len };
+	struct msghdr msg;
+
+	BT_DBG("session %p data %p len %d", session, data, len);
+
+	if (!len)
+		return 0;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.msg_iovlen = 1;
+	msg.msg_iov = &iv;
+
+	return sock_sendmsg(sock, &msg, len);
+}
+
+static int cmtp_process_transmit(struct cmtp_session *session)
+{
+	struct sk_buff *skb, *nskb;
+	unsigned char *hdr;
+	unsigned int size, tail;
+
+	BT_DBG("session %p", session);
+
+	if (!(nskb = alloc_skb(session->mtu, GFP_ATOMIC))) {
+		BT_ERR("Can't allocate memory for new frame");
+		return -ENOMEM;
+	}
+
+	while ((skb = skb_dequeue(&session->transmit))) {
+		struct cmtp_scb *scb = (void *) skb->cb;
+
+		if ((tail = (session->mtu - nskb->len)) < 5) {
+			cmtp_send_frame(session, nskb->data, nskb->len);
+			skb_trim(nskb, 0);
+			tail = session->mtu;
+		}
+
+		size = min_t(uint, ((tail < 258) ? (tail - 2) : (tail - 3)), skb->len);
+
+		if ((scb->id < 0) && ((scb->id = cmtp_alloc_block_id(session)) < 0)) {
+			skb_queue_head(&session->transmit, skb);
+			break;
+		}
+
+		if (size < 256) {
+			hdr = skb_put(nskb, 2);
+			hdr[0] = 0x40
+				| ((scb->id << 2) & 0x3c)
+				| ((skb->len == size) ? 0x00 : 0x01);
+			hdr[1] = size;
+		} else {
+			hdr = skb_put(nskb, 3);
+			hdr[0] = 0x80
+				| ((scb->id << 2) & 0x3c)
+				| ((skb->len == size) ? 0x00 : 0x01);
+			hdr[1] = size & 0xff;
+			hdr[2] = size >> 8;
+		}
+
+		memcpy(skb_put(nskb, size), skb->data, size);
+		skb_pull(skb, size);
+
+		if (skb->len > 0) {
+			skb_queue_head(&session->transmit, skb);
+		} else {
+			cmtp_free_block_id(session, scb->id);
+			if (scb->data) {
+				cmtp_send_frame(session, nskb->data, nskb->len);
+				skb_trim(nskb, 0);
+			}
+			kfree_skb(skb);
+		}
+	}
+
+	cmtp_send_frame(session, nskb->data, nskb->len);
+
+	kfree_skb(nskb);
+
+	return skb_queue_len(&session->transmit);
+}
+
+static int cmtp_session(void *arg)
+{
+	struct cmtp_session *session = arg;
+	struct sock *sk = session->sock->sk;
+	struct sk_buff *skb;
+	wait_queue_t wait;
+
+	BT_DBG("session %p", session);
+
+	daemonize("kcmtpd_ctr_%d", session->num);
+	set_user_nice(current, -15);
+	current->flags |= PF_IOTHREAD;
+
+	set_fs(KERNEL_DS);
+
+	init_waitqueue_entry(&wait, current);
+	add_wait_queue(sk->sk_sleep, &wait);
+	while (!atomic_read(&session->terminate)) {
+		set_current_state(TASK_INTERRUPTIBLE);
+
+		if (sk->sk_state != BT_CONNECTED)
+			break;
+
+		while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
+			skb_orphan(skb);
+			cmtp_recv_frame(session, skb);
+		}
+
+		cmtp_process_transmit(session);
+
+		schedule();
+	}
+	set_current_state(TASK_RUNNING);
+	remove_wait_queue(sk->sk_sleep, &wait);
+
+	down_write(&cmtp_session_sem);
+
+	if (!(session->flags & (1 << CMTP_LOOPBACK)))
+		cmtp_detach_device(session);
+
+	fput(session->sock->file);
+
+	__cmtp_unlink_session(session);
+
+	up_write(&cmtp_session_sem);
+
+	kfree(session);
+	return 0;
+}
+
+int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
+{
+	struct cmtp_session *session, *s;
+	bdaddr_t src, dst;
+	int i, err;
+
+	BT_DBG("");
+
+	baswap(&src, &bt_sk(sock->sk)->src);
+	baswap(&dst, &bt_sk(sock->sk)->dst);
+
+	session = kmalloc(sizeof(struct cmtp_session), GFP_KERNEL);
+	if (!session) 
+		return -ENOMEM;
+	memset(session, 0, sizeof(struct cmtp_session));
+
+	down_write(&cmtp_session_sem);
+
+	s = __cmtp_get_session(&bt_sk(sock->sk)->dst);
+	if (s && s->state == BT_CONNECTED) {
+		err = -EEXIST;
+		goto failed;
+	}
+
+	bacpy(&session->bdaddr, &bt_sk(sock->sk)->dst);
+
+	session->mtu = min_t(uint, l2cap_pi(sock->sk)->omtu, l2cap_pi(sock->sk)->imtu);
+
+	BT_DBG("mtu %d", session->mtu);
+
+	sprintf(session->name, "%s", batostr(&dst));
+
+	session->sock  = sock;
+	session->state = BT_CONFIG;
+
+	init_waitqueue_head(&session->wait);
+
+	session->msgnum = CMTP_INITIAL_MSGNUM;
+
+	INIT_LIST_HEAD(&session->applications);
+
+	skb_queue_head_init(&session->transmit);
+
+	for (i = 0; i < 16; i++)
+		session->reassembly[i] = NULL;
+
+	session->flags = req->flags;
+
+	__cmtp_link_session(session);
+
+	err = kernel_thread(cmtp_session, session, CLONE_KERNEL);
+	if (err < 0)
+		goto unlink;
+
+	if (!(session->flags & (1 << CMTP_LOOPBACK))) {
+		err = cmtp_attach_device(session);
+		if (err < 0)
+			goto detach;
+	}
+
+	up_write(&cmtp_session_sem);
+	return 0;
+
+detach:
+	cmtp_detach_device(session);
+
+unlink:
+	__cmtp_unlink_session(session);
+
+failed:
+	up_write(&cmtp_session_sem);
+	kfree(session);
+	return err;
+}
+
+int cmtp_del_connection(struct cmtp_conndel_req *req)
+{
+	struct cmtp_session *session;
+	int err = 0;
+
+	BT_DBG("");
+
+	down_read(&cmtp_session_sem);
+
+	session = __cmtp_get_session(&req->bdaddr);
+	if (session) {
+		/* Flush the transmit queue */
+		skb_queue_purge(&session->transmit);
+
+		/* Kill session thread */
+		atomic_inc(&session->terminate);
+		cmtp_schedule(session);
+	} else
+		err = -ENOENT;
+
+	up_read(&cmtp_session_sem);
+	return err;
+}
+
+int cmtp_get_connlist(struct cmtp_connlist_req *req)
+{
+	struct list_head *p;
+	int err = 0, n = 0;
+
+	BT_DBG("");
+
+	down_read(&cmtp_session_sem);
+
+	list_for_each(p, &cmtp_session_list) {
+		struct cmtp_session *session;
+		struct cmtp_conninfo ci;
+
+		session = list_entry(p, struct cmtp_session, list);
+
+		__cmtp_copy_session(session, &ci);
+
+		if (copy_to_user(req->ci, &ci, sizeof(ci))) {
+			err = -EFAULT;
+			break;
+		}
+
+		if (++n >= req->cnum)
+			break;
+
+		req->ci++;
+	}
+	req->cnum = n;
+
+	up_read(&cmtp_session_sem);
+	return err;
+}
+
+int cmtp_get_conninfo(struct cmtp_conninfo *ci)
+{
+	struct cmtp_session *session;
+	int err = 0;
+
+	down_read(&cmtp_session_sem);
+
+	session = __cmtp_get_session(&ci->bdaddr);
+	if (session)
+		__cmtp_copy_session(session, ci);
+	else
+		err = -ENOENT;
+
+	up_read(&cmtp_session_sem);
+	return err;
+}
+
+
+int __init init_cmtp(void)
+{
+	l2cap_load();
+
+	BT_INFO("CMTP (CAPI Emulation) ver %s", VERSION);
+
+	cmtp_init_sockets();
+
+	return 0;
+}
+
+void __exit exit_cmtp(void)
+{
+	cmtp_cleanup_sockets();
+}
+
+module_init(init_cmtp);
+module_exit(exit_cmtp);
+
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
+MODULE_DESCRIPTION("Bluetooth CMTP ver " VERSION);
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("bt-proto-5");

net/bluetooth/cmtp/sock.c

+/* 
+   CMTP implementation for Linux Bluetooth stack (BlueZ).
+   Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License version 2 as
+   published by the Free Software Foundation;
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   SOFTWARE IS DISCLAIMED.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <linux/fcntl.h>
+#include <linux/skbuff.h>
+#include <linux/socket.h>
+#include <linux/ioctl.h>
+#include <linux/file.h>
+#include <net/sock.h>
+
+#include <linux/isdn/capilli.h>
+
+#include <asm/system.h>
+#include <asm/uaccess.h>
+
+#include "cmtp.h"
+
+#ifndef CONFIG_BT_CMTP_DEBUG
+#undef  BT_DBG
+#define BT_DBG(D...)
+#endif
+
+static int cmtp_sock_release(struct socket *sock)
+{
+	struct sock *sk = sock->sk;
+
+	BT_DBG("sock %p sk %p", sock, sk);
+
+	if (!sk)
+		return 0;
+
+	sock_orphan(sk);
+	sock_put(sk);
+
+	return 0;
+}
+
+static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+	struct cmtp_connadd_req ca;
+	struct cmtp_conndel_req cd;
+	struct cmtp_connlist_req cl;
+	struct cmtp_conninfo ci;
+	struct socket *nsock;
+	int err;
+
+	BT_DBG("cmd %x arg %lx", cmd, arg);
+
+	switch (cmd) {
+	case CMTPCONNADD:
+		if (!capable(CAP_NET_ADMIN))
+			return -EACCES;
+
+		if (copy_from_user(&ca, (void *) arg, sizeof(ca)))
+			return -EFAULT;
+
+		nsock = sockfd_lookup(ca.sock, &err);
+		if (!nsock)
+			return err;
+
+		if (nsock->sk->sk_state != BT_CONNECTED)
+			return -EBADFD;
+
+		err = cmtp_add_connection(&ca, nsock);
+		if (!err) {
+			if (copy_to_user((void *) arg, &ca, sizeof(ca)))
+				err = -EFAULT;
+		} else
+			fput(nsock->file);
+
+		return err;
+
+	case CMTPCONNDEL:
+		if (!capable(CAP_NET_ADMIN))
+			return -EACCES;
+
+		if (copy_from_user(&cd, (void *) arg, sizeof(cd)))
+			return -EFAULT;
+
+		return cmtp_del_connection(&cd);
+
+	case CMTPGETCONNLIST:
+		if (copy_from_user(&cl, (void *) arg, sizeof(cl)))
+			return -EFAULT;
+
+		if (cl.cnum <= 0)
+			return -EINVAL;
+
+		err = cmtp_get_connlist(&cl);
+		if (!err && copy_to_user((void *) arg, &cl, sizeof(cl)))
+			return -EFAULT;
+
+		return err;
+
+	case CMTPGETCONNINFO:
+		if (copy_from_user(&ci, (void *) arg, sizeof(ci)))
+			return -EFAULT;
+
+		err = cmtp_get_conninfo(&ci);
+		if (!err && copy_to_user((void *) arg, &ci, sizeof(ci)))
+			return -EFAULT;
+
+		return err;
+	}
+
+	return -EINVAL;
+}
+
+static struct proto_ops cmtp_sock_ops = {
+	.family		= PF_BLUETOOTH,
+	.owner		= THIS_MODULE,
+	.release	= cmtp_sock_release,
+	.ioctl		= cmtp_sock_ioctl,
+	.bind		= sock_no_bind,
+	.getname	= sock_no_getname,
+	.sendmsg	= sock_no_sendmsg,
+	.recvmsg	= sock_no_recvmsg,
+	.poll		= sock_no_poll,
+	.listen		= sock_no_listen,
+	.shutdown	= sock_no_shutdown,
+	.setsockopt	= sock_no_setsockopt,
+	.getsockopt	= sock_no_getsockopt,
+	.connect	= sock_no_connect,
+	.socketpair	= sock_no_socketpair,
+	.accept		= sock_no_accept,
+	.mmap		= sock_no_mmap
+};
+
+static int cmtp_sock_create(struct socket *sock, int protocol)
+{
+	struct sock *sk;
+
+	BT_DBG("sock %p", sock);
+
+	if (sock->type != SOCK_RAW)
+		return -ESOCKTNOSUPPORT;
+
+	if (!(sk = bt_sock_alloc(sock, PF_BLUETOOTH, 0, GFP_KERNEL)))
+		return -ENOMEM;
+
+	sk_set_owner(sk, THIS_MODULE);
+
+	sock->ops = &cmtp_sock_ops;
+
+	sock->state = SS_UNCONNECTED;
+
+	sk->sk_destruct = NULL;
+	sk->sk_protocol = protocol;
+
+	return 0;
+}
+
+static struct net_proto_family cmtp_sock_family_ops = {
+	.family	= PF_BLUETOOTH,
+	.owner	= THIS_MODULE,
+	.create	= cmtp_sock_create
+};
+
+int cmtp_init_sockets(void)
+{
+	bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops);
+
+	return 0;
+}
+
+void cmtp_cleanup_sockets(void)
+{
+	if (bt_sock_unregister(BTPROTO_CMTP))
+		BT_ERR("Can't unregister CMTP socket");
+}

net/bluetooth/hci_conn.c

@@ -71,7 +71,7 @@ void hci_acl_connect(struct hci_conn *conn)
 
 	memset(&cp, 0, sizeof(cp));
 	bacpy(&cp.bdaddr, &conn->dst);
-	cp.pscan_rep_mode = 0x01;
+	cp.pscan_rep_mode = 0x02;
 
 	if ((ie = inquiry_cache_lookup(hdev, &conn->dst)) &&
 			inquiry_entry_age(ie) <= INQUIRY_ENTRY_AGE_MAX) {

net/bluetooth/hci_core.c

@@ -406,6 +406,7 @@ int hci_inquiry(unsigned long arg)
 
 	hci_dev_lock_bh(hdev);
 	if (inquiry_cache_age(hdev) > INQUIRY_CACHE_AGE_MAX || 
+					inquiry_cache_empty(hdev) ||
 					ir.flags & IREQ_CACHE_FLUSH) {
 		inquiry_cache_flush(hdev);
 		do_inquiry = 1;

net/bluetooth/hci_event.c

@@ -452,6 +452,29 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
 	hci_dev_unlock(hdev);
 }
 
+/* Inquiry Result With RSSI */
+static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	struct inquiry_info_with_rssi *info = (struct inquiry_info_with_rssi *) (skb->data + 1);
+	int num_rsp = *((__u8 *) skb->data);
+
+	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
+
+	hci_dev_lock(hdev);
+	for (; num_rsp; num_rsp--) {
+		struct inquiry_info tmp;
+		bacpy(&tmp.bdaddr, &info->bdaddr);
+		tmp.pscan_rep_mode    = info->pscan_rep_mode;
+		tmp.pscan_period_mode = info->pscan_period_mode;
+		tmp.pscan_mode        = 0x00;
+		memcpy(tmp.dev_class, &info->dev_class, 3);
+		tmp.clock_offset      = info->clock_offset;
+		info++;
+		inquiry_cache_update(hdev, &tmp);
+	}
+	hci_dev_unlock(hdev);
+}
+
 /* Connect Request */
 static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
@@ -744,6 +767,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_inquiry_result_evt(hdev, skb);
 		break;
 
+	case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
+		hci_inquiry_result_with_rssi_evt(hdev, skb);
+		break;
+
 	case HCI_EV_CONN_REQUEST:
 		hci_conn_request_evt(hdev, skb);
 		break;

net/bluetooth/hci_sock.c

@@ -66,20 +66,20 @@ static struct hci_sec_filter hci_sec_filter = {
 	/* Packet types */
 	0x10,
 	/* Events */
-	{ 0xd9fe, 0x0 },
+	{ 0x1000d9fe, 0x0000300c },
 	/* Commands */
 	{
 		{ 0x0 },
 		/* OGF_LINK_CTL */
-		{ 0x2a000002, 0x0, 0x0, 0x0  },
+		{ 0xbe000006, 0x00000001, 0x0000, 0x00 },
 		/* OGF_LINK_POLICY */
-		{ 0x1200, 0x0, 0x0, 0x0      },
+		{ 0x00005200, 0x00000000, 0x0000, 0x00 },
 		/* OGF_HOST_CTL */
-		{ 0x80100000, 0x202a, 0x0, 0x0 },
+		{ 0xaab00200, 0x2b402aaa, 0x0154, 0x00 },
 		/* OGF_INFO_PARAM */
-		{ 0x22a, 0x0, 0x0, 0x0       },
+		{ 0x000002be, 0x00000000, 0x0000, 0x00 },
 		/* OGF_STATUS_PARAM */
-		{ 0x2e, 0x0, 0x0, 0x0        }
+		{ 0x000000ea, 0x00000000, 0x0000, 0x00 }
 	}
 };
 

net/bluetooth/l2cap.c

@@ -2202,3 +2202,4 @@ module_exit(l2cap_cleanup);
 MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>");
 MODULE_DESCRIPTION("Bluetooth L2CAP ver " VERSION);
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("bt-proto-0");

net/bluetooth/rfcomm/core.c

@@ -52,7 +52,7 @@
 #include <net/bluetooth/l2cap.h>
 #include <net/bluetooth/rfcomm.h>
 
-#define VERSION "1.0"
+#define VERSION "1.1"
 
 #ifndef CONFIG_BT_RFCOMM_DEBUG
 #undef  BT_DBG
@@ -207,7 +207,7 @@ static void rfcomm_dlc_clear_state(struct rfcomm_dlc *d)
 	d->mtu        = RFCOMM_DEFAULT_MTU;
 	d->v24_sig    = RFCOMM_V24_RTC | RFCOMM_V24_RTR | RFCOMM_V24_DV;
 
-	d->credits    = RFCOMM_MAX_CREDITS;
+	d->cfc        = RFCOMM_CFC_DISABLED;
 	d->rx_credits = RFCOMM_DEFAULT_CREDITS;
 }
 
@@ -314,8 +314,8 @@ static int __rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst,
 	d->state    = BT_CONFIG;
 	rfcomm_dlc_link(s, d);
 
-	d->mtu     = s->mtu;
-	d->credits = s->credits;
+	d->mtu = s->mtu;
+	d->cfc = (s->cfc == RFCOMM_CFC_UNKNOWN) ? 0 : s->cfc;
 
 	if (s->state == BT_CONNECTED)
 		rfcomm_send_pn(s, 1, d);
@@ -415,7 +415,7 @@ void __rfcomm_dlc_throttle(struct rfcomm_dlc *d)
 {
 	BT_DBG("dlc %p state %ld", d, d->state);
 
-	if (!d->credits) {
+	if (!d->cfc) {
 		d->v24_sig |= RFCOMM_V24_FC;
 		set_bit(RFCOMM_MSC_PENDING, &d->flags);
 	}
@@ -426,7 +426,7 @@ void __rfcomm_dlc_unthrottle(struct rfcomm_dlc *d)
 {
 	BT_DBG("dlc %p state %ld", d, d->state);
 
-	if (!d->credits) {
+	if (!d->cfc) {
 		d->v24_sig &= ~RFCOMM_V24_FC;
 		set_bit(RFCOMM_MSC_PENDING, &d->flags);
 	}
@@ -479,8 +479,8 @@ struct rfcomm_session *rfcomm_session_add(struct socket *sock, int state)
 	s->state = state;
 	s->sock  = sock;
 
-	s->mtu     = RFCOMM_DEFAULT_MTU;
-	s->credits = RFCOMM_MAX_CREDITS;
+	s->mtu   = RFCOMM_DEFAULT_MTU;
+	s->cfc   = RFCOMM_CFC_UNKNOWN;
 	
 	list_add(&s->list, &session_list);
 
@@ -752,7 +752,7 @@ static int rfcomm_send_pn(struct rfcomm_session *s, int cr, struct rfcomm_dlc *d
 	pn->ack_timer   = 0;
 	pn->max_retrans = 0;
 
-	if (d->credits) {
+	if (s->cfc) {
 		pn->flow_ctrl = cr ? 0xf0 : 0xe0;
 		pn->credits = RFCOMM_DEFAULT_CREDITS;
 	} else {
@@ -1142,28 +1142,22 @@ static int rfcomm_recv_sabm(struct rfcomm_session *s, u8 dlci)
 
 static int rfcomm_apply_pn(struct rfcomm_dlc *d, int cr, struct rfcomm_pn *pn)
 {
+	struct rfcomm_session *s = d->session;
+
 	BT_DBG("dlc %p state %ld dlci %d mtu %d fc 0x%x credits %d", 
 			d, d->state, d->dlci, pn->mtu, pn->flow_ctrl, pn->credits);
 
-	if (cr) {
-		if (pn->flow_ctrl == 0xf0) {
-			d->tx_credits = pn->credits;
-		} else {
-			set_bit(RFCOMM_TX_THROTTLED, &d->flags);
-			d->credits = 0;
-		}
+	if (pn->flow_ctrl == 0xf0 || pn->flow_ctrl == 0xe0) {
+		d->cfc = s->cfc = RFCOMM_CFC_ENABLED;
+		d->tx_credits = pn->credits;
 	} else {
-		if (pn->flow_ctrl == 0xe0) {
-			d->tx_credits = pn->credits;
-		} else {
-			set_bit(RFCOMM_TX_THROTTLED, &d->flags);
-			d->credits = 0;
-		}
+		d->cfc = s->cfc = RFCOMM_CFC_DISABLED;
+		set_bit(RFCOMM_TX_THROTTLED, &d->flags);
 	}
 
 	d->priority = pn->priority;
 
-	d->mtu = btohs(pn->mtu);
+	d->mtu = s->mtu = btohs(pn->mtu);
 
 	return 0;
 }
@@ -1353,7 +1347,7 @@ static int rfcomm_recv_msc(struct rfcomm_session *s, int cr, struct sk_buff *skb
 		return 0;
 
 	if (cr) {
-		if (msc->v24_sig & RFCOMM_V24_FC && !d->credits)
+		if (msc->v24_sig & RFCOMM_V24_FC && !d->cfc)
 			set_bit(RFCOMM_TX_THROTTLED, &d->flags);
 		else
 			clear_bit(RFCOMM_TX_THROTTLED, &d->flags);
@@ -1444,7 +1438,7 @@ static int rfcomm_recv_data(struct rfcomm_session *s, u8 dlci, int pf, struct sk
 		goto drop;
 	}
 
-	if (pf && d->credits) {
+	if (pf && d->cfc) {
 		u8 credits = *(u8 *) skb->data; skb_pull(skb, 1);
 
 		d->tx_credits += credits;
@@ -1549,20 +1543,20 @@ static inline int rfcomm_process_tx(struct rfcomm_dlc *d)
 	struct sk_buff *skb;
 	int err;
 
-	BT_DBG("dlc %p state %ld credits %d rx_credits %d tx_credits %d", 
-			d, d->state, d->credits, d->rx_credits, d->tx_credits);
+	BT_DBG("dlc %p state %ld cfc %d rx_credits %d tx_credits %d", 
+			d, d->state, d->cfc, d->rx_credits, d->tx_credits);
 
 	/* Send pending MSC */
 	if (test_and_clear_bit(RFCOMM_MSC_PENDING, &d->flags))
 		rfcomm_send_msc(d->session, 1, d->dlci, d->v24_sig); 
 	
-	if (d->credits) {
+	if (d->cfc) {
 		/* CFC enabled. 
 		 * Give them some credits */
 		if (!test_bit(RFCOMM_RX_THROTTLED, &d->flags) &&
-			       	d->rx_credits <= (d->credits >> 2)) {
-			rfcomm_send_credits(d->session, d->addr, d->credits - d->rx_credits);
-			d->rx_credits = d->credits;
+			       	d->rx_credits <= (d->cfc >> 2)) {
+			rfcomm_send_credits(d->session, d->addr, d->cfc - d->rx_credits);
+			d->rx_credits = d->cfc;
 		}
 	} else {
 		/* CFC disabled.
@@ -1583,7 +1577,7 @@ static inline int rfcomm_process_tx(struct rfcomm_dlc *d)
 		d->tx_credits--;
 	}
 
-	if (d->credits && !d->tx_credits) {
+	if (d->cfc && !d->tx_credits) {
 		/* We're out of TX credits.
 		 * Set TX_THROTTLED flag to avoid unnesary wakeups by dlc_send. */
 		set_bit(RFCOMM_TX_THROTTLED, &d->flags);
@@ -1655,7 +1649,9 @@ static inline void rfcomm_accept_connection(struct rfcomm_session *s)
 
 	nsock->type = sock->type;
 	nsock->ops  = sock->ops;
-	
+
+	__module_get(nsock->ops->owner);
+
 	err = sock->ops->accept(sock, nsock, O_NONBLOCK);
 	if (err < 0) {
 		sock_release(nsock);
@@ -1998,3 +1994,4 @@ module_exit(rfcomm_cleanup);
 MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>, Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Bluetooth RFCOMM ver " VERSION);
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("bt-proto-3");

net/bluetooth/sco.c

@@ -1055,3 +1055,4 @@ module_exit(sco_cleanup);
 MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>");
 MODULE_DESCRIPTION("Bluetooth SCO ver " VERSION);
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("bt-proto-2");