[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / net / bluetooth / bluetooth.h

/* 
   BlueZ - Bluetooth protocol stack for Linux
   Copyright (C) 2000-2001 Qualcomm Incorporated

   Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>

   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 __BLUETOOTH_H
#define __BLUETOOTH_H

#include <asm/types.h>
#include <asm/byteorder.h>
#include <linux/list.h>
#include <linux/poll.h>
#include <net/sock.h>

#ifndef AF_BLUETOOTH
#define AF_BLUETOOTH	31
#define PF_BLUETOOTH	AF_BLUETOOTH
#endif

/* Reserv for core and drivers use */
#define BT_SKB_RESERVE	8

#define BTPROTO_L2CAP	0
#define BTPROTO_HCI	1
#define BTPROTO_SCO	2
#define BTPROTO_RFCOMM	3
#define BTPROTO_BNEP	4
#define BTPROTO_CMTP	5
#define BTPROTO_HIDP	6
#define BTPROTO_AVDTP	7

#define SOL_HCI		0
#define SOL_L2CAP	6
#define SOL_SCO		17
#define SOL_RFCOMM	18

#define BT_SECURITY	4
struct bt_security {
	__u8 level;
};
#define BT_SECURITY_SDP		0
#define BT_SECURITY_LOW		1
#define BT_SECURITY_MEDIUM	2
#define BT_SECURITY_HIGH	3

#define BT_DEFER_SETUP	7

#define BT_FLUSHABLE	8

#define BT_FLUSHABLE_OFF	0
#define BT_FLUSHABLE_ON		1

#define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg)
#define BT_ERR(fmt, arg...)  printk(KERN_ERR "%s: " fmt "\n" , __func__ , ## arg)
#define BT_DBG(fmt, arg...)  pr_debug("%s: " fmt "\n" , __func__ , ## arg)

/* Connection and socket states */
enum {
	BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
	BT_OPEN,
	BT_BOUND,
	BT_LISTEN,
	BT_CONNECT,
	BT_CONNECT2,
	BT_CONFIG,
	BT_DISCONN,
	BT_CLOSED
};

/* BD Address */
typedef struct {
	__u8 b[6];
} __packed bdaddr_t;

#define BDADDR_ANY   (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})

/* Copy, swap, convert BD Address */
static inline int bacmp(bdaddr_t *ba1, bdaddr_t *ba2)
{
	return memcmp(ba1, ba2, sizeof(bdaddr_t));
}
static inline void bacpy(bdaddr_t *dst, bdaddr_t *src)
{
	memcpy(dst, src, sizeof(bdaddr_t));
}

void baswap(bdaddr_t *dst, bdaddr_t *src);
char *batostr(bdaddr_t *ba);
bdaddr_t *strtoba(char *str);

/* Common socket structures and functions */

#define bt_sk(__sk) ((struct bt_sock *) __sk)

struct bt_sock {
	struct sock sk;
	bdaddr_t    src;
	bdaddr_t    dst;
	struct list_head accept_q;
	struct sock *parent;
	u32 defer_setup;
};

struct bt_sock_list {
	struct hlist_head head;
	rwlock_t          lock;
};

int  bt_sock_register(int proto, const struct net_proto_family *ops);
int  bt_sock_unregister(int proto);
void bt_sock_link(struct bt_sock_list *l, struct sock *s);
void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
int  bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags);
int  bt_sock_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
			struct msghdr *msg, size_t len, int flags);
uint bt_sock_poll(struct file * file, struct socket *sock, poll_table *wait);
int  bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int  bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);

void bt_accept_enqueue(struct sock *parent, struct sock *sk);
void bt_accept_unlink(struct sock *sk);
struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);

/* Skb helpers */
struct bt_skb_cb {
	__u8 pkt_type;
	__u8 incoming;
	__u16 expect;
	__u8 tx_seq;
	__u8 retries;
	__u8 sar;
	unsigned short channel;
};
#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))

static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
{
	struct sk_buff *skb;

	if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
		skb_reserve(skb, BT_SKB_RESERVE);
		bt_cb(skb)->incoming  = 0;
	}
	return skb;
}

static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk, unsigned long len, 
							int nb, int *err)
{
	struct sk_buff *skb;

	release_sock(sk);
	if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) {
		skb_reserve(skb, BT_SKB_RESERVE);
		bt_cb(skb)->incoming  = 0;
	}
	lock_sock(sk);

	if (!skb && *err)
		return NULL;

	*err = sock_error(sk);
	if (*err)
		goto out;

	if (sk->sk_shutdown) {
		*err = -ECONNRESET;
		goto out;
	}

	return skb;

out:
	kfree_skb(skb);
	return NULL;
}

int bt_err(__u16 code);

extern int hci_sock_init(void);
extern void hci_sock_cleanup(void);

extern int bt_sysfs_init(void);
extern void bt_sysfs_cleanup(void);

extern struct dentry *bt_debugfs;

#ifdef CONFIG_BT_L2CAP
int l2cap_init(void);
void l2cap_exit(void);
#else
static inline int l2cap_init(void)
{
	return 0;
}

static inline void l2cap_exit(void)
{
}
#endif

#ifdef CONFIG_BT_SCO
int sco_init(void);
void sco_exit(void);
#else
static inline int sco_init(void)
{
	return 0;
}

static inline void sco_exit(void)
{
}
#endif

#endif /* __BLUETOOTH_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	BlueZ - Bluetooth protocol stack for Linux
	3	Copyright (C) 2000-2001 Qualcomm Incorporated
	4
	5	Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License version 2 as
	9	published by the Free Software Foundation;
	10
	11	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
	12	OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	13	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
	14	IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
	15	CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
	16	WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	17	ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	18	OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	19
	20	ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
	21	COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
	22	SOFTWARE IS DISCLAIMED.
	23	*/
	24
	25	#ifndef __BLUETOOTH_H
	26	#define __BLUETOOTH_H
	27
	28	#include <asm/types.h>
	29	#include <asm/byteorder.h>
	30	#include <linux/list.h>
	31	#include <linux/poll.h>
	32	#include <net/sock.h>
	33
	34	#ifndef AF_BLUETOOTH
	35	#define AF_BLUETOOTH 31
	36	#define PF_BLUETOOTH AF_BLUETOOTH
	37	#endif
	38
	39	/* Reserv for core and drivers use */
	40	#define BT_SKB_RESERVE 8
	41
	42	#define BTPROTO_L2CAP 0
	43	#define BTPROTO_HCI 1
	44	#define BTPROTO_SCO 2
	45	#define BTPROTO_RFCOMM 3
	46	#define BTPROTO_BNEP 4
	47	#define BTPROTO_CMTP 5
	48	#define BTPROTO_HIDP 6
	49	#define BTPROTO_AVDTP 7
	50
	51	#define SOL_HCI 0
	52	#define SOL_L2CAP 6
	53	#define SOL_SCO 17
	54	#define SOL_RFCOMM 18
	55
8c1b2355 MH	56	#define BT_SECURITY 4
	57	struct bt_security {
	58	__u8 level;
	59	};
	60	#define BT_SECURITY_SDP 0
	61	#define BT_SECURITY_LOW 1
	62	#define BT_SECURITY_MEDIUM 2
	63	#define BT_SECURITY_HIGH 3
	64
c4f912e1 MH	65	#define BT_DEFER_SETUP 7
c4f912e1 MH	66
e702112f AE	67	#define BT_FLUSHABLE 8
	68
	69	#define BT_FLUSHABLE_OFF 0
	70	#define BT_FLUSHABLE_ON 1
	71
1da177e4	72	#define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg)
a418b893 MH	73	#define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __func__ , ## arg)
a418b893 MH	74	#define BT_DBG(fmt, arg...) pr_debug("%s: " fmt "\n" , __func__ , ## arg)
1da177e4	75
1da177e4 LT	76	/* Connection and socket states */
	77	enum {
	78	BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
	79	BT_OPEN,
	80	BT_BOUND,
	81	BT_LISTEN,
	82	BT_CONNECT,
	83	BT_CONNECT2,
	84	BT_CONFIG,
	85	BT_DISCONN,
	86	BT_CLOSED
	87	};
	88
1da177e4 LT	89	/* BD Address */
	90	typedef struct {
	91	__u8 b[6];
66c853cc	92	} __packed bdaddr_t;
1da177e4 LT	93
	94	#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
	95	#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
	96
	97	/* Copy, swap, convert BD Address */
	98	static inline int bacmp(bdaddr_t ba1, bdaddr_t ba2)
	99	{
	100	return memcmp(ba1, ba2, sizeof(bdaddr_t));
	101	}
	102	static inline void bacpy(bdaddr_t dst, bdaddr_t src)
	103	{
	104	memcpy(dst, src, sizeof(bdaddr_t));
	105	}
	106
	107	void baswap(bdaddr_t dst, bdaddr_t src);
	108	char batostr(bdaddr_t ba);
	109	bdaddr_t strtoba(char str);
	110
	111	/* Common socket structures and functions */
	112
	113	#define bt_sk(__sk) ((struct bt_sock *) __sk)
	114
	115	struct bt_sock {
	116	struct sock sk;
	117	bdaddr_t src;
	118	bdaddr_t dst;
	119	struct list_head accept_q;
	120	struct sock *parent;
c4f912e1	121	u32 defer_setup;
1da177e4 LT	122	};
	123
	124	struct bt_sock_list {
	125	struct hlist_head head;
	126	rwlock_t lock;
	127	};
	128
ec1b4cf7	129	int bt_sock_register(int proto, const struct net_proto_family *ops);
1da177e4 LT	130	int bt_sock_unregister(int proto);
	131	void bt_sock_link(struct bt_sock_list l, struct sock s);
	132	void bt_sock_unlink(struct bt_sock_list l, struct sock s);
	133	int bt_sock_recvmsg(struct kiocb iocb, struct socket sock, struct msghdr *msg, size_t len, int flags);
796c86ee MM	134	int bt_sock_stream_recvmsg(struct kiocb iocb, struct socket sock,
796c86ee MM	135	struct msghdr *msg, size_t len, int flags);
1da177e4	136	uint bt_sock_poll(struct file * file, struct socket sock, poll_table wait);
3241ad82	137	int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
1da177e4 LT	138	int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
	139
	140	void bt_accept_enqueue(struct sock parent, struct sock sk);
	141	void bt_accept_unlink(struct sock *sk);
	142	struct sock bt_accept_dequeue(struct sock parent, struct socket *newsock);
	143
	144	/* Skb helpers */
	145	struct bt_skb_cb {
0d48d939 MH	146	__u8 pkt_type;
0d48d939 MH	147	__u8 incoming;
33e882a5	148	__u16 expect;
1c2acffb	149	__u8 tx_seq;
e90bac06	150	__u8 retries;
8f17154f	151	__u8 sar;
a40c406c	152	unsigned short channel;
1da177e4	153	};
1c2acffb	154	#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
1da177e4	155
dd0fc66f	156	static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
1da177e4 LT	157	{
	158	struct sk_buff *skb;
	159
	160	if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
	161	skb_reserve(skb, BT_SKB_RESERVE);
	162	bt_cb(skb)->incoming = 0;
	163	}
	164	return skb;
	165	}
	166
	167	static inline struct sk_buff bt_skb_send_alloc(struct sock sk, unsigned long len,
	168	int nb, int *err)
	169	{
	170	struct sk_buff *skb;
	171
e454c844	172	release_sock(sk);
1da177e4 LT	173	if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) {
	174	skb_reserve(skb, BT_SKB_RESERVE);
	175	bt_cb(skb)->incoming = 0;
	176	}
e454c844 GP	177	lock_sock(sk);
	178
	179	if (!skb && *err)
	180	return NULL;
	181
	182	*err = sock_error(sk);
	183	if (*err)
	184	goto out;
	185
	186	if (sk->sk_shutdown) {
	187	*err = -ECONNRESET;
	188	goto out;
	189	}
1da177e4 LT	190
1da177e4 LT	191	return skb;
e454c844 GP	192
	193	out:
	194	kfree_skb(skb);
	195	return NULL;
1da177e4 LT	196	}
1da177e4 LT	197
1da177e4 LT	198	int bt_err(__u16 code);
1da177e4 LT	199
6516455d	200	extern int hci_sock_init(void);
04005dd9	201	extern void hci_sock_cleanup(void);
6516455d MH	202
	203	extern int bt_sysfs_init(void);
	204	extern void bt_sysfs_cleanup(void);
	205
aef7d97c	206	extern struct dentry *bt_debugfs;
be9d1227	207
64274518 GP	208	#ifdef CONFIG_BT_L2CAP
	209	int l2cap_init(void);
	210	void l2cap_exit(void);
	211	#else
	212	static inline int l2cap_init(void)
	213	{
	214	return 0;
	215	}
	216
	217	static inline void l2cap_exit(void)
	218	{
	219	}
	220	#endif
	221
	222	#ifdef CONFIG_BT_SCO
	223	int sco_init(void);
	224	void sco_exit(void);
	225	#else
	226	static inline int sco_init(void)
	227	{
	228	return 0;
	229	}
	230
	231	static inline void sco_exit(void)
	232	{
	233	}
	234	#endif
	235
1da177e4	236	#endif /* __BLUETOOTH_H */