[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_POWER	9
struct bt_power {
	__u8 force_active;
};
#define BT_POWER_FORCE_ACTIVE_OFF 0
#define BT_POWER_FORCE_ACTIVE_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;
	__u8 force_active;
};
#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_to_errno(__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
14b12d0b JG	72	#define BT_POWER 9
	73	struct bt_power {
	74	__u8 force_active;
	75	};
	76	#define BT_POWER_FORCE_ACTIVE_OFF 0
	77	#define BT_POWER_FORCE_ACTIVE_ON 1
	78
1da177e4	79	#define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg)
a418b893 MH	80	#define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __func__ , ## arg)
a418b893 MH	81	#define BT_DBG(fmt, arg...) pr_debug("%s: " fmt "\n" , __func__ , ## arg)
1da177e4	82
1da177e4 LT	83	/* Connection and socket states */
	84	enum {
	85	BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
	86	BT_OPEN,
	87	BT_BOUND,
	88	BT_LISTEN,
	89	BT_CONNECT,
	90	BT_CONNECT2,
	91	BT_CONFIG,
	92	BT_DISCONN,
	93	BT_CLOSED
	94	};
	95
1da177e4 LT	96	/* BD Address */
	97	typedef struct {
	98	__u8 b[6];
66c853cc	99	} __packed bdaddr_t;
1da177e4 LT	100
	101	#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
	102	#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
	103
	104	/* Copy, swap, convert BD Address */
	105	static inline int bacmp(bdaddr_t ba1, bdaddr_t ba2)
	106	{
	107	return memcmp(ba1, ba2, sizeof(bdaddr_t));
	108	}
	109	static inline void bacpy(bdaddr_t dst, bdaddr_t src)
	110	{
	111	memcpy(dst, src, sizeof(bdaddr_t));
	112	}
	113
	114	void baswap(bdaddr_t dst, bdaddr_t src);
	115	char batostr(bdaddr_t ba);
	116	bdaddr_t strtoba(char str);
	117
	118	/* Common socket structures and functions */
	119
	120	#define bt_sk(__sk) ((struct bt_sock *) __sk)
	121
	122	struct bt_sock {
	123	struct sock sk;
	124	bdaddr_t src;
	125	bdaddr_t dst;
	126	struct list_head accept_q;
	127	struct sock *parent;
c4f912e1	128	u32 defer_setup;
1da177e4 LT	129	};
	130
	131	struct bt_sock_list {
	132	struct hlist_head head;
	133	rwlock_t lock;
	134	};
	135
ec1b4cf7	136	int bt_sock_register(int proto, const struct net_proto_family *ops);
1da177e4 LT	137	int bt_sock_unregister(int proto);
	138	void bt_sock_link(struct bt_sock_list l, struct sock s);
	139	void bt_sock_unlink(struct bt_sock_list l, struct sock s);
5a9d0a3f WR	140	int bt_sock_recvmsg(struct kiocb iocb, struct socket sock,
5a9d0a3f WR	141	struct msghdr *msg, size_t len, int flags);
796c86ee MM	142	int bt_sock_stream_recvmsg(struct kiocb iocb, struct socket sock,
796c86ee MM	143	struct msghdr *msg, size_t len, int flags);
1da177e4	144	uint bt_sock_poll(struct file * file, struct socket sock, poll_table wait);
3241ad82	145	int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
1da177e4 LT	146	int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
	147
	148	void bt_accept_enqueue(struct sock parent, struct sock sk);
	149	void bt_accept_unlink(struct sock *sk);
	150	struct sock bt_accept_dequeue(struct sock parent, struct socket *newsock);
	151
	152	/* Skb helpers */
	153	struct bt_skb_cb {
0d48d939 MH	154	__u8 pkt_type;
0d48d939 MH	155	__u8 incoming;
33e882a5	156	__u16 expect;
1c2acffb	157	__u8 tx_seq;
e90bac06	158	__u8 retries;
8f17154f	159	__u8 sar;
a40c406c	160	unsigned short channel;
14b12d0b	161	__u8 force_active;
1da177e4	162	};
1c2acffb	163	#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
1da177e4	164
dd0fc66f	165	static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
1da177e4 LT	166	{
	167	struct sk_buff *skb;
	168
	169	if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
	170	skb_reserve(skb, BT_SKB_RESERVE);
	171	bt_cb(skb)->incoming = 0;
	172	}
	173	return skb;
	174	}
	175
5a9d0a3f WR	176	static inline struct sk_buff bt_skb_send_alloc(struct sock sk,
5a9d0a3f WR	177	unsigned long len, int nb, int *err)
1da177e4 LT	178	{
	179	struct sk_buff *skb;
	180
e454c844	181	release_sock(sk);
1da177e4 LT	182	if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) {
	183	skb_reserve(skb, BT_SKB_RESERVE);
	184	bt_cb(skb)->incoming = 0;
	185	}
e454c844 GP	186	lock_sock(sk);
	187
	188	if (!skb && *err)
	189	return NULL;
	190
	191	*err = sock_error(sk);
	192	if (*err)
	193	goto out;
	194
	195	if (sk->sk_shutdown) {
	196	*err = -ECONNRESET;
	197	goto out;
	198	}
1da177e4 LT	199
1da177e4 LT	200	return skb;
e454c844 GP	201
	202	out:
	203	kfree_skb(skb);
	204	return NULL;
1da177e4 LT	205	}
1da177e4 LT	206
e175072f	207	int bt_to_errno(__u16 code);
1da177e4	208
6516455d	209	extern int hci_sock_init(void);
04005dd9	210	extern void hci_sock_cleanup(void);
6516455d MH	211
	212	extern int bt_sysfs_init(void);
	213	extern void bt_sysfs_cleanup(void);
	214
aef7d97c	215	extern struct dentry *bt_debugfs;
be9d1227	216
64274518 GP	217	#ifdef CONFIG_BT_L2CAP
	218	int l2cap_init(void);
	219	void l2cap_exit(void);
	220	#else
	221	static inline int l2cap_init(void)
	222	{
	223	return 0;
	224	}
	225
	226	static inline void l2cap_exit(void)
	227	{
	228	}
	229	#endif
	230
	231	#ifdef CONFIG_BT_SCO
	232	int sco_init(void);
	233	void sco_exit(void);
	234	#else
	235	static inline int sco_init(void)
	236	{
	237	return 0;
	238	}
	239
	240	static inline void sco_exit(void)
	241	{
	242	}
	243	#endif
	244
1da177e4	245	#endif /* __BLUETOOTH_H */