Commit dcfa61d5 authored by Marcel Holtmann's avatar Marcel Holtmann

Merge bk://linux.bkbits.net/linux-2.5

into hostme.bitkeeper.com:/ua/repos/l/linux-bt/bt-2.5
parents 5882eeaf 134c3f5a
menu "Bluetooth device drivers"
depends on BT!=n
depends on BT
config BT_HCIUSB
tristate "HCI USB driver"
......@@ -57,6 +57,14 @@ 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
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_HCIDTL1
tristate "HCI DTL1 (PC Card) driver"
depends on PCMCIA && BT
......@@ -73,7 +81,7 @@ config BT_HCIDTL1
config BT_HCIBT3C
tristate "HCI BT3C (PC Card) driver"
depends on PCMCIA && BT
---help---
help
Bluetooth HCI BT3C (PC Card) driver.
This driver provides support for Bluetooth PCMCIA devices with
3Com BT3C interface:
......@@ -99,6 +107,22 @@ config BT_HCIBLUECARD
Say Y here to compile support for HCI BlueCard devices into the
kernel or say M to compile it as module (bluecard_cs.o).
config BT_HCIBTUART
tristate "HCI UART (PC Card) device driver"
depends on PCMCIA && BT
help
Bluetooth HCI UART (PC Card) driver.
This driver provides support for Bluetooth PCMCIA devices with
an UART interface:
Xircom CreditCard Bluetooth Adapter
Xircom RealPort2 Bluetooth Adapter
Sphinx PICO Card
H-Soft blue+Card
Cyber-blue Compact Flash Card
Say Y here to compile support for HCI UART devices into the
kernel or say M to compile it as module (btuart_cs.o).
config BT_HCIVHCI
tristate "HCI VHCI (Virtual HCI device) driver"
depends on BT
......
......@@ -8,6 +8,7 @@ obj-$(CONFIG_BT_HCIUART) += hci_uart.o
obj-$(CONFIG_BT_HCIDTL1) += dtl1_cs.o
obj-$(CONFIG_BT_HCIBT3C) += bt3c_cs.o
obj-$(CONFIG_BT_HCIBLUECARD) += bluecard_cs.o
obj-$(CONFIG_BT_HCIBTUART) += btuart_cs.o
hci_uart-y := hci_ldisc.o
hci_uart-$(CONFIG_BT_HCIUART_H4) += hci_h4.o
......
/*
*
* Driver for Bluetooth PCMCIA cards with HCI UART interface
*
* Copyright (C) 2001-2002 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;
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The initial developer of the original code is David A. Hinds
* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
*
*/
#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/timer.h>
#include <linux/errno.h>
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/spinlock.h>
#include <linux/skbuff.h>
#include <linux/string.h>
#include <linux/serial.h>
#include <linux/serial_reg.h>
#include <asm/system.h>
#include <asm/bitops.h>
#include <asm/io.h>
#include <pcmcia/version.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ciscode.h>
#include <pcmcia/ds.h>
#include <pcmcia/cisreg.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
/* ======================== Module parameters ======================== */
/* Bit map of interrupts to choose from */
static u_int irq_mask = 0xffff;
static int irq_list[4] = { -1 };
MODULE_PARM(irq_mask, "i");
MODULE_PARM(irq_list, "1-4i");
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth driver for Bluetooth PCMCIA cards with HCI UART interface");
MODULE_LICENSE("GPL");
/* ======================== Local structures ======================== */
typedef struct btuart_info_t {
dev_link_t link;
dev_node_t node;
struct hci_dev hdev;
spinlock_t lock; /* For serializing operations */
struct sk_buff_head txq;
unsigned long tx_state;
unsigned long rx_state;
unsigned long rx_count;
struct sk_buff *rx_skb;
} btuart_info_t;
void btuart_config(dev_link_t *link);
void btuart_release(u_long arg);
int btuart_event(event_t event, int priority, event_callback_args_t *args);
static dev_info_t dev_info = "btuart_cs";
dev_link_t *btuart_attach(void);
void btuart_detach(dev_link_t *);
static dev_link_t *dev_list = NULL;
/* Maximum baud rate */
#define SPEED_MAX 115200
/* Default baud rate: 57600, 115200, 230400 or 460800 */
#define DEFAULT_BAUD_RATE 115200
/* Transmit states */
#define XMIT_SENDING 1
#define XMIT_WAKEUP 2
#define XMIT_WAITING 8
/* Receiver states */
#define RECV_WAIT_PACKET_TYPE 0
#define RECV_WAIT_EVENT_HEADER 1
#define RECV_WAIT_ACL_HEADER 2
#define RECV_WAIT_SCO_HEADER 3
#define RECV_WAIT_DATA 4
/* ======================== Interrupt handling ======================== */
static int btuart_write(unsigned int iobase, int fifo_size, __u8 *buf, int len)
{
int actual = 0;
/* Tx FIFO should be empty */
if (!(inb(iobase + UART_LSR) & UART_LSR_THRE))
return 0;
/* Fill FIFO with current frame */
while ((fifo_size-- > 0) && (actual < len)) {
/* Transmit next byte */
outb(buf[actual], iobase + UART_TX);
actual++;
}
return actual;
}
static void btuart_write_wakeup(btuart_info_t *info)
{
if (!info) {
printk(KERN_WARNING "btuart_cs: Call of write_wakeup for unknown device.\n");
return;
}
if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) {
set_bit(XMIT_WAKEUP, &(info->tx_state));
return;
}
do {
register unsigned int iobase = info->link.io.BasePort1;
register struct sk_buff *skb;
register int len;
clear_bit(XMIT_WAKEUP, &(info->tx_state));
if (!(info->link.state & DEV_PRESENT))
return;
if (!(skb = skb_dequeue(&(info->txq))))
break;
/* Send frame */
len = btuart_write(iobase, 16, skb->data, skb->len);
set_bit(XMIT_WAKEUP, &(info->tx_state));
if (len == skb->len) {
kfree_skb(skb);
} else {
skb_pull(skb, len);
skb_queue_head(&(info->txq), skb);
}
info->hdev.stat.byte_tx += len;
} while (test_bit(XMIT_WAKEUP, &(info->tx_state)));
clear_bit(XMIT_SENDING, &(info->tx_state));
}
static void btuart_receive(btuart_info_t *info)
{
unsigned int iobase;
int boguscount = 0;
if (!info) {
printk(KERN_WARNING "btuart_cs: Call of receive for unknown device.\n");
return;
}
iobase = info->link.io.BasePort1;
do {
info->hdev.stat.byte_rx++;
/* Allocate packet */
if (info->rx_skb == NULL) {
info->rx_state = RECV_WAIT_PACKET_TYPE;
info->rx_count = 0;
if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) {
printk(KERN_WARNING "btuart_cs: Can't allocate mem for new packet.\n");
return;
}
}
if (info->rx_state == RECV_WAIT_PACKET_TYPE) {
info->rx_skb->dev = (void *)&(info->hdev);
info->rx_skb->pkt_type = inb(iobase + UART_RX);
switch (info->rx_skb->pkt_type) {
case HCI_EVENT_PKT:
info->rx_state = RECV_WAIT_EVENT_HEADER;
info->rx_count = HCI_EVENT_HDR_SIZE;
break;
case HCI_ACLDATA_PKT:
info->rx_state = RECV_WAIT_ACL_HEADER;
info->rx_count = HCI_ACL_HDR_SIZE;
break;
case HCI_SCODATA_PKT:
info->rx_state = RECV_WAIT_SCO_HEADER;
info->rx_count = HCI_SCO_HDR_SIZE;
break;
default:
/* Unknown packet */
printk(KERN_WARNING "btuart_cs: Unknown HCI packet with type 0x%02x received.\n", info->rx_skb->pkt_type);
info->hdev.stat.err_rx++;
clear_bit(HCI_RUNNING, &(info->hdev.flags));
kfree_skb(info->rx_skb);
info->rx_skb = NULL;
break;
}
} else {
*skb_put(info->rx_skb, 1) = inb(iobase + UART_RX);
info->rx_count--;
if (info->rx_count == 0) {
int dlen;
struct hci_event_hdr *eh;
struct hci_acl_hdr *ah;
struct hci_sco_hdr *sh;
switch (info->rx_state) {
case RECV_WAIT_EVENT_HEADER:
eh = (struct hci_event_hdr *)(info->rx_skb->data);
info->rx_state = RECV_WAIT_DATA;
info->rx_count = eh->plen;
break;
case RECV_WAIT_ACL_HEADER:
ah = (struct hci_acl_hdr *)(info->rx_skb->data);
dlen = __le16_to_cpu(ah->dlen);
info->rx_state = RECV_WAIT_DATA;
info->rx_count = dlen;
break;
case RECV_WAIT_SCO_HEADER:
sh = (struct hci_sco_hdr *)(info->rx_skb->data);
info->rx_state = RECV_WAIT_DATA;
info->rx_count = sh->dlen;
break;
case RECV_WAIT_DATA:
hci_recv_frame(info->rx_skb);
info->rx_skb = NULL;
break;
}
}
}
/* Make sure we don't stay here to long */
if (boguscount++ > 16)
break;
} while (inb(iobase + UART_LSR) & UART_LSR_DR);
}
void btuart_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
{
btuart_info_t *info = dev_inst;
unsigned int iobase;
int boguscount = 0;
int iir, lsr;
if (!info) {
printk(KERN_WARNING "btuart_cs: Call of irq %d for unknown device.\n", irq);
return;
}
iobase = info->link.io.BasePort1;
spin_lock(&(info->lock));
iir = inb(iobase + UART_IIR) & UART_IIR_ID;
while (iir) {
/* Clear interrupt */
lsr = inb(iobase + UART_LSR);
switch (iir) {
case UART_IIR_RLSI:
printk(KERN_NOTICE "btuart_cs: RLSI\n");
break;
case UART_IIR_RDI:
/* Receive interrupt */
btuart_receive(info);
break;
case UART_IIR_THRI:
if (lsr & UART_LSR_THRE) {
/* Transmitter ready for data */
btuart_write_wakeup(info);
}
break;
default:
printk(KERN_NOTICE "btuart_cs: Unhandled IIR=%#x\n", iir);
break;
}
/* Make sure we don't stay here to long */
if (boguscount++ > 100)
break;
iir = inb(iobase + UART_IIR) & UART_IIR_ID;
}
spin_unlock(&(info->lock));
}
static void btuart_change_speed(btuart_info_t *info, unsigned int speed)
{
unsigned long flags;
unsigned int iobase;
int fcr; /* FIFO control reg */
int lcr; /* Line control reg */
int divisor;
if (!info) {
printk(KERN_WARNING "btuart_cs: Call of change speed for unknown device.\n");
return;
}
iobase = info->link.io.BasePort1;
spin_lock_irqsave(&(info->lock), flags);
/* Turn off interrupts */
outb(0, iobase + UART_IER);
divisor = SPEED_MAX / speed;
fcr = UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT;
/*
* Use trigger level 1 to avoid 3 ms. timeout delay at 9600 bps, and
* almost 1,7 ms at 19200 bps. At speeds above that we can just forget
* about this timeout since it will always be fast enough.
*/
if (speed < 38400)
fcr |= UART_FCR_TRIGGER_1;
else
fcr |= UART_FCR_TRIGGER_14;
/* Bluetooth cards use 8N1 */
lcr = UART_LCR_WLEN8;
outb(UART_LCR_DLAB | lcr, iobase + UART_LCR); /* Set DLAB */
outb(divisor & 0xff, iobase + UART_DLL); /* Set speed */
outb(divisor >> 8, iobase + UART_DLM);
outb(lcr, iobase + UART_LCR); /* Set 8N1 */
outb(fcr, iobase + UART_FCR); /* Enable FIFO's */
/* Turn on interrups */
outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER);
spin_unlock_irqrestore(&(info->lock), flags);
}
/* ======================== HCI interface ======================== */
static int btuart_hci_flush(struct hci_dev *hdev)
{
btuart_info_t *info = (btuart_info_t *)(hdev->driver_data);
/* Drop TX queue */
skb_queue_purge(&(info->txq));
return 0;
}
static int btuart_hci_open(struct hci_dev *hdev)
{
set_bit(HCI_RUNNING, &(hdev->flags));
return 0;
}
static int btuart_hci_close(struct hci_dev *hdev)
{
if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
return 0;
btuart_hci_flush(hdev);
return 0;
}
static int btuart_hci_send_frame(struct sk_buff *skb)
{
btuart_info_t *info;
struct hci_dev *hdev = (struct hci_dev *)(skb->dev);
if (!hdev) {
printk(KERN_WARNING "btuart_cs: Frame for unknown HCI device (hdev=NULL).");
return -ENODEV;
}
info = (btuart_info_t *)(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);
skb_queue_tail(&(info->txq), skb);
btuart_write_wakeup(info);
return 0;
}
static void btuart_hci_destruct(struct hci_dev *hdev)
{
}
static int btuart_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg)
{
return -ENOIOCTLCMD;
}
/* ======================== Card services HCI interaction ======================== */
int btuart_open(btuart_info_t *info)
{
unsigned long flags;
unsigned int iobase = info->link.io.BasePort1;
struct hci_dev *hdev;
spin_lock_init(&(info->lock));
skb_queue_head_init(&(info->txq));
info->rx_state = RECV_WAIT_PACKET_TYPE;
info->rx_count = 0;
info->rx_skb = NULL;
spin_lock_irqsave(&(info->lock), flags);
/* Reset UART */
outb(0, iobase + UART_MCR);
/* Turn off interrupts */
outb(0, iobase + UART_IER);
/* Initialize UART */
outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */
outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR);
/* Turn on interrupts */
// outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER);
spin_unlock_irqrestore(&(info->lock), flags);
btuart_change_speed(info, DEFAULT_BAUD_RATE);
/* Timeout before it is safe to send the first HCI packet */
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(HZ);
/* Initialize and register HCI device */
hdev = &(info->hdev);
hdev->type = HCI_PCCARD;
hdev->driver_data = info;
hdev->open = btuart_hci_open;
hdev->close = btuart_hci_close;
hdev->flush = btuart_hci_flush;
hdev->send = btuart_hci_send_frame;
hdev->destruct = btuart_hci_destruct;
hdev->ioctl = btuart_hci_ioctl;
if (hci_register_dev(hdev) < 0) {
printk(KERN_WARNING "btuart_cs: Can't register HCI device %s.\n", hdev->name);
return -ENODEV;
}
return 0;
}
int btuart_close(btuart_info_t *info)
{
unsigned long flags;
unsigned int iobase = info->link.io.BasePort1;
struct hci_dev *hdev = &(info->hdev);
btuart_hci_close(hdev);
spin_lock_irqsave(&(info->lock), flags);
/* Reset UART */
outb(0, iobase + UART_MCR);
/* Turn off interrupts */
outb(0, iobase + UART_IER);
spin_unlock_irqrestore(&(info->lock), flags);
if (hci_unregister_dev(hdev) < 0)
printk(KERN_WARNING "btuart_cs: Can't unregister HCI device %s.\n", hdev->name);
return 0;
}
/* ======================== Card services ======================== */
static void cs_error(client_handle_t handle, int func, int ret)
{
error_info_t err = { func, ret };
CardServices(ReportError, handle, &err);
}
dev_link_t *btuart_attach(void)
{
btuart_info_t *info;
client_reg_t client_reg;
dev_link_t *link;
int i, ret;
/* Create new info device */
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (!info)
return NULL;
memset(info, 0, sizeof(*info));
link = &info->link;
link->priv = info;
init_timer(&link->release);
link->release.function = &btuart_release;
link->release.data = (u_long)link;
link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
link->io.NumPorts1 = 8;
link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
if (irq_list[0] == -1)
link->irq.IRQInfo2 = irq_mask;
else
for (i = 0; i < 4; i++)
link->irq.IRQInfo2 |= 1 << irq_list[i];
link->irq.Handler = btuart_interrupt;
link->irq.Instance = info;
link->conf.Attributes = CONF_ENABLE_IRQ;
link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
/* Register with Card Services */
link->next = dev_list;
dev_list = link;
client_reg.dev_info = &dev_info;
client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
client_reg.EventMask =
CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
client_reg.event_handler = &btuart_event;
client_reg.Version = 0x0210;
client_reg.event_callback_args.client_data = link;
ret = CardServices(RegisterClient, &link->handle, &client_reg);
if (ret != CS_SUCCESS) {
cs_error(link->handle, RegisterClient, ret);
btuart_detach(link);
return NULL;
}
return link;
}
void btuart_detach(dev_link_t *link)
{
btuart_info_t *info = link->priv;
dev_link_t **linkp;
int ret;
/* Locate device structure */
for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
if (*linkp == link)
break;
if (*linkp == NULL)
return;
del_timer(&link->release);
if (link->state & DEV_CONFIG)
btuart_release((u_long)link);
if (link->handle) {
ret = CardServices(DeregisterClient, link->handle);
if (ret != CS_SUCCESS)
cs_error(link->handle, DeregisterClient, ret);
}
/* Unlink device structure, free bits */
*linkp = link->next;
kfree(info);
}
static int get_tuple(int fn, client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
{
int i;
i = CardServices(fn, handle, tuple);
if (i != CS_SUCCESS)
return CS_NO_MORE_ITEMS;
i = CardServices(GetTupleData, handle, tuple);
if (i != CS_SUCCESS)
return i;
return CardServices(ParseTuple, handle, tuple, parse);
}
#define first_tuple(a, b, c) get_tuple(GetFirstTuple, a, b, c)
#define next_tuple(a, b, c) get_tuple(GetNextTuple, a, b, c)
void btuart_config(dev_link_t *link)
{
static ioaddr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
client_handle_t handle = link->handle;
btuart_info_t *info = link->priv;
tuple_t tuple;
u_short buf[256];
cisparse_t parse;
cistpl_cftable_entry_t *cf = &parse.cftable_entry;
config_info_t config;
int i, j, try, last_ret, last_fn;
tuple.TupleData = (cisdata_t *)buf;
tuple.TupleOffset = 0;
tuple.TupleDataMax = 255;
tuple.Attributes = 0;
/* Get configuration register information */
tuple.DesiredTuple = CISTPL_CONFIG;
last_ret = first_tuple(handle, &tuple, &parse);
if (last_ret != CS_SUCCESS) {
last_fn = ParseTuple;
goto cs_failed;
}
link->conf.ConfigBase = parse.config.base;
link->conf.Present = parse.config.rmask[0];
/* Configure card */
link->state |= DEV_CONFIG;
i = CardServices(GetConfigurationInfo, handle, &config);
link->conf.Vcc = config.Vcc;
/* First pass: look for a config entry that looks normal. */
tuple.TupleData = (cisdata_t *) buf;
tuple.TupleOffset = 0;
tuple.TupleDataMax = 255;
tuple.Attributes = 0;
tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
/* Two tries: without IO aliases, then with aliases */
for (try = 0; try < 2; try++) {
i = first_tuple(handle, &tuple, &parse);
while (i != CS_NO_MORE_ITEMS) {
if (i != CS_SUCCESS)
goto next_entry;
if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM))
link->conf.Vpp1 = link->conf.Vpp2 = cf->vpp1.param[CISTPL_POWER_VNOM] / 10000;
if ((cf->io.nwin > 0) && (cf->io.win[0].len == 8) && (cf->io.win[0].base != 0)) {
link->conf.ConfigIndex = cf->index;
link->io.BasePort1 = cf->io.win[0].base;
link->io.IOAddrLines = (try == 0) ? 16 : cf->io.flags & CISTPL_IO_LINES_MASK;
i = CardServices(RequestIO, link->handle, &link->io);
if (i == CS_SUCCESS)
goto found_port;
}
next_entry:
i = next_tuple(handle, &tuple, &parse);
}
}
/* Second pass: try to find an entry that isn't picky about
its base address, then try to grab any standard serial port
address, and finally try to get any free port. */
i = first_tuple(handle, &tuple, &parse);
while (i != CS_NO_MORE_ITEMS) {
if ((i == CS_SUCCESS) && (cf->io.nwin > 0)
&& ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) {
link->conf.ConfigIndex = cf->index;
for (j = 0; j < 5; j++) {
link->io.BasePort1 = base[j];
link->io.IOAddrLines = base[j] ? 16 : 3;
i = CardServices(RequestIO, link->handle, &link->io);
if (i == CS_SUCCESS)
goto found_port;
}
}
i = next_tuple(handle, &tuple, &parse);
}
found_port:
if (i != CS_SUCCESS) {
printk(KERN_NOTICE "btuart_cs: No usable port range found. Giving up.\n");
cs_error(link->handle, RequestIO, i);
goto failed;
}
i = CardServices(RequestIRQ, link->handle, &link->irq);
if (i != CS_SUCCESS) {
cs_error(link->handle, RequestIRQ, i);
link->irq.AssignedIRQ = 0;
}
i = CardServices(RequestConfiguration, link->handle, &link->conf);
if (i != CS_SUCCESS) {
cs_error(link->handle, RequestConfiguration, i);
goto failed;
}
MOD_INC_USE_COUNT;
if (btuart_open(info) != 0)
goto failed;
strcpy(info->node.dev_name, info->hdev.name);
link->dev = &info->node;
link->state &= ~DEV_CONFIG_PENDING;
return;
cs_failed:
cs_error(link->handle, last_fn, last_ret);
failed:
btuart_release((u_long) link);
}
void btuart_release(u_long arg)
{
dev_link_t *link = (dev_link_t *)arg;
btuart_info_t *info = link->priv;
if (link->state & DEV_PRESENT)
btuart_close(info);
MOD_DEC_USE_COUNT;
link->dev = NULL;
CardServices(ReleaseConfiguration, link->handle);
CardServices(ReleaseIO, link->handle, &link->io);
CardServices(ReleaseIRQ, link->handle, &link->irq);
link->state &= ~DEV_CONFIG;
}
int btuart_event(event_t event, int priority, event_callback_args_t *args)
{
dev_link_t *link = args->client_data;
btuart_info_t *info = link->priv;
switch (event) {
case CS_EVENT_CARD_REMOVAL:
link->state &= ~DEV_PRESENT;
if (link->state & DEV_CONFIG) {
btuart_close(info);
mod_timer(&link->release, jiffies + HZ / 20);
}
break;
case CS_EVENT_CARD_INSERTION:
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
btuart_config(link);
break;
case CS_EVENT_PM_SUSPEND:
link->state |= DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_RESET_PHYSICAL:
if (link->state & DEV_CONFIG)
CardServices(ReleaseConfiguration, link->handle);
break;
case CS_EVENT_PM_RESUME:
link->state &= ~DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_CARD_RESET:
if (DEV_OK(link))
CardServices(RequestConfiguration, link->handle, &link->conf);
break;
}
return 0;
}
/* ======================== Module initialization ======================== */
int __init init_btuart_cs(void)
{
servinfo_t serv;
int err;
CardServices(GetCardServicesInfo, &serv);
if (serv.Revision != CS_RELEASE_CODE) {
printk(KERN_NOTICE "btuart_cs: Card Services release does not match!\n");
return -1;
}
err = register_pccard_driver(&dev_info, &btuart_attach, &btuart_detach);
return err;
}
void __exit exit_btuart_cs(void)
{
unregister_pccard_driver(&dev_info);
while (dev_list != NULL)
btuart_detach(dev_list);
}
module_init(init_btuart_cs);
module_exit(exit_btuart_cs);
EXPORT_NO_SYMBOLS;
......@@ -48,6 +48,7 @@
#define HCI_PCCARD 2
#define HCI_UART 3
#define HCI_RS232 4
#define HCI_PCI 5
/* HCI device flags */
enum {
......
......@@ -224,6 +224,8 @@ struct l2cap_pinfo {
__u8 ident;
__u16 sport;
struct l2cap_conn *conn;
struct sock *next_c;
struct sock *prev_c;
......
......@@ -7,7 +7,7 @@ menu "Bluetooth support"
config BT
tristate "Bluetooth subsystem support"
---help---
help
Bluetooth is low-cost, low-power, short-range wireless technology.
It was designed as a replacement for cables and other short-range
technologies like IrDA. Bluetooth operates in personal area range
......
config BT_BNEP
tristate "BNEP protocol support"
depends on BT_L2CAP
---help---
depends on BT && BT_L2CAP
help
BNEP (Bluetooth Network Encapsulation Protocol) is Ethernet
emulation layer on top of Bluetooth. BNEP is required for Bluetooth
PAN (Personal Area Network).
......
......@@ -128,18 +128,17 @@ static int bnep_send_rsp(struct bnep_session *s, u8 ctrl, u16 resp)
return bnep_send(s, &rsp, sizeof(rsp));
}
static int bnep_ctrl_set_netfilter(struct bnep_session *s, struct sk_buff *skb)
static int bnep_ctrl_set_netfilter(struct bnep_session *s, u16 *data, int len)
{
u16 *data;
int n;
data = (void *) skb->data;
if (!skb_pull(skb, 2))
if (len < 2)
return -EILSEQ;
n = ntohs(get_unaligned(data));
data++; len -= 2;
data = (void *) skb->data;
if (!skb_pull(skb, n))
if (len < n)
return -EILSEQ;
BT_DBG("filter len %d", n);
......@@ -170,18 +169,17 @@ static int bnep_ctrl_set_netfilter(struct bnep_session *s, struct sk_buff *skb)
return 0;
}
static int bnep_ctrl_set_mcfilter(struct bnep_session *s, struct sk_buff *skb)
static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
{
u8 *data;
int n;
data = (void *) skb->data;
if (!skb_pull(skb, 2))
if (len < 2)
return -EILSEQ;
n = ntohs(get_unaligned((u16 *) data));
data += 2; len -= 2;
data = (void *) skb->data;
if (!skb_pull(skb, n))
if (len < n)
return -EILSEQ;
BT_DBG("filter len %d", n);
......@@ -225,11 +223,12 @@ static int bnep_ctrl_set_mcfilter(struct bnep_session *s, struct sk_buff *skb)
return 0;
}
static int bnep_rx_control(struct bnep_session *s, struct sk_buff *skb)
static int bnep_rx_control(struct bnep_session *s, void *data, int len)
{
u8 cmd = *(u8 *)data;
int err = 0;
u8 cmd = *(u8 *) skb->data;
skb_pull(skb, 1);
data++; len--;
switch (cmd) {
case BNEP_CMD_NOT_UNDERSTOOD:
......@@ -241,11 +240,11 @@ static int bnep_rx_control(struct bnep_session *s, struct sk_buff *skb)
break;
case BNEP_FILTER_NET_TYPE_SET:
err = bnep_ctrl_set_netfilter(s, skb);
err = bnep_ctrl_set_netfilter(s, data, len);
break;
case BNEP_FILTER_MULTI_ADDR_SET:
err = bnep_ctrl_set_mcfilter(s, skb);
err = bnep_ctrl_set_mcfilter(s, data, len);
break;
default: {
......@@ -277,12 +276,15 @@ static int bnep_rx_extension(struct bnep_session *s, struct sk_buff *skb)
switch (h->type & BNEP_TYPE_MASK) {
case BNEP_EXT_CONTROL:
err = bnep_rx_control(s, skb);
bnep_rx_control(s, skb->data, skb->len);
break;
default:
/* Unknown extension */
if (!skb_pull(skb, h->len))
/* Unknown extension, skip it. */
break;
}
if (!skb_pull(skb, h->len)) {
err = -EILSEQ;
break;
}
......@@ -315,7 +317,7 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
goto badframe;
if ((type & BNEP_TYPE_MASK) == BNEP_CONTROL) {
bnep_rx_control(s, skb);
bnep_rx_control(s, skb->data, skb->len);
kfree_skb(skb);
return 0;
}
......
......@@ -718,7 +718,7 @@ int hci_get_dev_list(unsigned long arg)
if (!dev_num)
return -EINVAL;
size = dev_num * sizeof(struct hci_dev_req) + sizeof(__u16);
size = dev_num * sizeof(*dr) + sizeof(*dl);
if (verify_area(VERIFY_WRITE, (void *) arg, size))
return -EFAULT;
......@@ -739,7 +739,7 @@ int hci_get_dev_list(unsigned long arg)
read_unlock_bh(&hci_dev_list_lock);
dl->dev_num = n;
size = n * sizeof(struct hci_dev_req) + sizeof(__u16);
size = n * sizeof(*dr) + sizeof(*dl);
copy_to_user((void *) arg, dl, size);
kfree(dl);
......
......@@ -186,69 +186,12 @@ static inline void l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, stru
write_unlock(&l->lock);
}
int l2cap_connect(struct sock *sk)
{
bdaddr_t *src = &bt_sk(sk)->src;
bdaddr_t *dst = &bt_sk(sk)->dst;
struct l2cap_conn *conn;
struct hci_conn *hcon;
struct hci_dev *hdev;
int err = 0;
BT_DBG("%s -> %s psm 0x%2.2x", batostr(src), batostr(dst), l2cap_pi(sk)->psm);
if (!(hdev = hci_get_route(dst, src)))
return -EHOSTUNREACH;
hci_dev_lock_bh(hdev);
err = -ENOMEM;
hcon = hci_connect(hdev, ACL_LINK, dst);
if (!hcon)
goto done;
conn = l2cap_conn_add(hcon, 0);
if (!conn) {
hci_conn_put(hcon);
goto done;
}
err = 0;
/* Update source addr of the socket */
bacpy(src, conn->src);
l2cap_chan_add(conn, sk, NULL);
sk->state = BT_CONNECT;
l2cap_sock_set_timer(sk, sk->sndtimeo);
if (hcon->state == BT_CONNECTED) {
if (sk->type == SOCK_SEQPACKET) {
struct l2cap_conn_req req;
req.scid = __cpu_to_le16(l2cap_pi(sk)->scid);
req.psm = l2cap_pi(sk)->psm;
l2cap_send_req(conn, L2CAP_CONN_REQ, sizeof(req), &req);
} else {
l2cap_sock_clear_timer(sk);
sk->state = BT_CONNECTED;
}
}
done:
hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
}
/* ---- Socket interface ---- */
static struct sock *__l2cap_get_sock_by_addr(u16 psm, bdaddr_t *src)
{
struct sock *sk;
for (sk = l2cap_sk_list.head; sk; sk = sk->next) {
if (l2cap_pi(sk)->psm == psm &&
!bacmp(&bt_sk(sk)->src, src))
if (l2cap_pi(sk)->sport == psm && !bacmp(&bt_sk(sk)->src, src))
break;
}
return sk;
......@@ -438,6 +381,9 @@ static int l2cap_sock_create(struct socket *sock, int protocol)
if (sock->type != SOCK_SEQPACKET && sock->type != SOCK_DGRAM && sock->type != SOCK_RAW)
return -ESOCKTNOSUPPORT;
if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
return -EPERM;
sock->ops = &l2cap_sock_ops;
sk = l2cap_sock_alloc(sock, protocol, GFP_KERNEL);
......@@ -473,6 +419,7 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_
/* Save source address */
bacpy(&bt_sk(sk)->src, &la->l2_bdaddr);
l2cap_pi(sk)->psm = la->l2_psm;
l2cap_pi(sk)->sport = la->l2_psm;
sk->state = BT_BOUND;
}
write_unlock_bh(&l2cap_sk_list.lock);
......@@ -482,6 +429,62 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_
return err;
}
static int l2cap_do_connect(struct sock *sk)
{
bdaddr_t *src = &bt_sk(sk)->src;
bdaddr_t *dst = &bt_sk(sk)->dst;
struct l2cap_conn *conn;
struct hci_conn *hcon;
struct hci_dev *hdev;
int err = 0;
BT_DBG("%s -> %s psm 0x%2.2x", batostr(src), batostr(dst), l2cap_pi(sk)->psm);
if (!(hdev = hci_get_route(dst, src)))
return -EHOSTUNREACH;
hci_dev_lock_bh(hdev);
err = -ENOMEM;
hcon = hci_connect(hdev, ACL_LINK, dst);
if (!hcon)
goto done;
conn = l2cap_conn_add(hcon, 0);
if (!conn) {
hci_conn_put(hcon);
goto done;
}
err = 0;
/* Update source addr of the socket */
bacpy(src, conn->src);
l2cap_chan_add(conn, sk, NULL);
sk->state = BT_CONNECT;
l2cap_sock_set_timer(sk, sk->sndtimeo);
if (hcon->state == BT_CONNECTED) {
if (sk->type == SOCK_SEQPACKET) {
struct l2cap_conn_req req;
req.scid = __cpu_to_le16(l2cap_pi(sk)->scid);
req.psm = l2cap_pi(sk)->psm;
l2cap_send_req(conn, L2CAP_CONN_REQ, sizeof(req), &req);
} else {
l2cap_sock_clear_timer(sk);
sk->state = BT_CONNECTED;
}
}
done:
hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
}
static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags)
{
struct sockaddr_l2 *la = (struct sockaddr_l2 *) addr;
......@@ -527,7 +530,7 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
bacpy(&bt_sk(sk)->dst, &la->l2_bdaddr);
l2cap_pi(sk)->psm = la->l2_psm;
if ((err = l2cap_connect(sk)))
if ((err = l2cap_do_connect(sk)))
goto done;
wait:
......@@ -2074,7 +2077,7 @@ static int __init l2cap_proc_init(void)
static void __init l2cap_proc_cleanup(void)
{
return 0;
return;
}
#endif /* CONFIG_PROC_FS */
......
config BT_RFCOMM
tristate "RFCOMM protocol support"
depends on BT_L2CAP
depends on BT && BT_L2CAP
help
RFCOMM provides connection oriented stream transport. RFCOMM
support is required for Dialup Networking, OBEX and other Bluetooth
......
......@@ -1312,6 +1312,9 @@ static int rfcomm_recv_mcc(struct rfcomm_session *s, struct sk_buff *skb)
rfcomm_send_test(s, 0, skb->data, skb->len);
break;
case RFCOMM_NSC:
break;
default:
BT_ERR("Unknown control type 0x%02x", type);
rfcomm_send_nsc(s, cr, type);
......@@ -1442,7 +1445,7 @@ static inline int rfcomm_process_tx(struct rfcomm_dlc *d)
/* Send pending MSC */
if (test_and_clear_bit(RFCOMM_MSC_PENDING, &d->flags))
rfcomm_send_msc(d->session, d->dlci, 1, d->v24_sig);
rfcomm_send_msc(d->session, 1, d->dlci, d->v24_sig);
if (d->credits) {
/* CFC enabled.
......@@ -1831,7 +1834,7 @@ static int __init rfcomm_proc_init(void)
static void __init rfcomm_proc_cleanup(void)
{
return 0;
return;
}
#endif /* CONFIG_PROC_FS */
......
......@@ -851,7 +851,7 @@ static int __init rfcomm_sock_proc_init(void)
static void __init rfcomm_sock_proc_cleanup(void)
{
return 0;
return;
}
#endif /* CONFIG_PROC_FS */
......
......@@ -442,7 +442,7 @@ static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb)
struct tty_struct *tty;
if (!dev || !(tty = dev->tty)) {
kfree(skb);
kfree_skb(skb);
return;
}
......@@ -669,12 +669,12 @@ static int rfcomm_tty_set_modem_status(uint cmd, struct rfcomm_dlc *dlc, uint st
else
rfcomm_dlc_get_modem_status(dlc, &v24_sig);
mask = (status & TIOCM_DSR) ? RFCOMM_V24_RTC : 0 |
(status & TIOCM_DTR) ? RFCOMM_V24_RTC : 0 |
(status & TIOCM_RTS) ? RFCOMM_V24_RTR : 0 |
(status & TIOCM_CTS) ? RFCOMM_V24_RTR : 0 |
(status & TIOCM_RI) ? RFCOMM_V24_IC : 0 |
(status & TIOCM_CD) ? RFCOMM_V24_DV : 0;
mask = ((status & TIOCM_DSR) ? RFCOMM_V24_RTC : 0) |
((status & TIOCM_DTR) ? RFCOMM_V24_RTC : 0) |
((status & TIOCM_RTS) ? RFCOMM_V24_RTR : 0) |
((status & TIOCM_CTS) ? RFCOMM_V24_RTR : 0) |
((status & TIOCM_RI) ? RFCOMM_V24_IC : 0) |
((status & TIOCM_CD) ? RFCOMM_V24_DV : 0);
if (cmd == TIOCMBIC)
v24_sig &= ~mask;
......
......@@ -962,7 +962,7 @@ static int __init sco_proc_init(void)
static void __init sco_proc_cleanup(void)
{
return 0;
return;
}
#endif /* CONFIG_PROC_FS */
......
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