[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_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg)
#define BT_DBG(fmt, arg...)  printk(KERN_INFO "%s: " fmt "\n" , __FUNCTION__ , ## arg)
#define BT_ERR(fmt, arg...)  printk(KERN_ERR  "%s: " fmt "\n" , __FUNCTION__ , ## arg)

#ifdef HCI_DATA_DUMP
#define BT_DMP(buf, len) bt_dump(__FUNCTION__, buf, len)
#else
#define BT_DMP(D...)
#endif

extern struct proc_dir_entry *proc_bt;

/* 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
};

/* Endianness conversions */
#define htobs(a)	__cpu_to_le16(a)
#define htobl(a)	__cpu_to_le32(a)
#define btohs(a)	__le16_to_cpu(a)
#define btohl(a)	__le32_to_cpu(a)

/* BD Address */
typedef struct {
	__u8 b[6];
} __attribute__((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;
};

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

int  bt_sock_register(int proto, 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);
uint bt_sock_poll(struct file * file, struct socket *sock, poll_table *wait);
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 {
	int incoming;
};
#define bt_cb(skb) ((struct bt_skb_cb *)(skb->cb)) 

static inline struct sk_buff *bt_skb_alloc(unsigned int len, int 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;

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

	return skb;
}

static inline int skb_frags_no(struct sk_buff *skb)
{
	register struct sk_buff *frag = skb_shinfo(skb)->frag_list;
	register int n = 1;

	for (; frag; frag=frag->next, n++);
	return n;
}

void bt_dump(char *pref, __u8 *buf, int count);

int bt_err(__u16 code);

#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
	56	#define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg)
	57	#define BT_DBG(fmt, arg...) printk(KERN_INFO "%s: " fmt "\n" , __FUNCTION__ , ## arg)
	58	#define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __FUNCTION__ , ## arg)
	59
	60	#ifdef HCI_DATA_DUMP
	61	#define BT_DMP(buf, len) bt_dump(__FUNCTION__, buf, len)
	62	#else
	63	#define BT_DMP(D...)
	64	#endif
65
66	extern struct proc_dir_entry *proc_bt;
67
68	/* Connection and socket states */
69	enum {
70	BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
71	BT_OPEN,
72	BT_BOUND,
73	BT_LISTEN,
74	BT_CONNECT,
75	BT_CONNECT2,
76	BT_CONFIG,
77	BT_DISCONN,
78	BT_CLOSED
79	};
80
81	/* Endianness conversions */
82	#define htobs(a) __cpu_to_le16(a)
83	#define htobl(a) __cpu_to_le32(a)
84	#define btohs(a) __le16_to_cpu(a)
85	#define btohl(a) __le32_to_cpu(a)
86
87	/* BD Address */
88	typedef struct {
89	__u8 b[6];
90	} __attribute__((packed)) bdaddr_t;
91
92	#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
93	#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
94
95	/* Copy, swap, convert BD Address */
96	static inline int bacmp(bdaddr_t ba1, bdaddr_t ba2)
97	{
98	return memcmp(ba1, ba2, sizeof(bdaddr_t));
99	}
100	static inline void bacpy(bdaddr_t dst, bdaddr_t src)
101	{
102	memcpy(dst, src, sizeof(bdaddr_t));
103	}
104
105	void baswap(bdaddr_t dst, bdaddr_t src);
106	char batostr(bdaddr_t ba);
107	bdaddr_t strtoba(char str);
108
109	/* Common socket structures and functions */
110
111	#define bt_sk(__sk) ((struct bt_sock *) __sk)
112
113	struct bt_sock {
114	struct sock sk;
115	bdaddr_t src;
116	bdaddr_t dst;
117	struct list_head accept_q;
118	struct sock *parent;
119	};
120
121	struct bt_sock_list {
122	struct hlist_head head;
123	rwlock_t lock;
124	};
125
126	int bt_sock_register(int proto, struct net_proto_family *ops);
127	int bt_sock_unregister(int proto);
128	void bt_sock_link(struct bt_sock_list l, struct sock s);
129	void bt_sock_unlink(struct bt_sock_list l, struct sock s);
130	int bt_sock_recvmsg(struct kiocb iocb, struct socket sock, struct msghdr *msg, size_t len, int flags);
131	uint bt_sock_poll(struct file * file, struct socket sock, poll_table wait);
132	int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
133
134	void bt_accept_enqueue(struct sock parent, struct sock sk);
135	void bt_accept_unlink(struct sock *sk);
136	struct sock bt_accept_dequeue(struct sock parent, struct socket *newsock);
137
138	/* Skb helpers */
139	struct bt_skb_cb {
140	int incoming;
141	};
142	#define bt_cb(skb) ((struct bt_skb_cb *)(skb->cb))
143
144	static inline struct sk_buff *bt_skb_alloc(unsigned int len, int how)
145	{
146	struct sk_buff *skb;
147
148	if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
149	skb_reserve(skb, BT_SKB_RESERVE);
150	bt_cb(skb)->incoming = 0;
151	}
152	return skb;
153	}
154
155	static inline struct sk_buff bt_skb_send_alloc(struct sock sk, unsigned long len,
156	int nb, int *err)
157	{
158	struct sk_buff *skb;
159
160	if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) {
161	skb_reserve(skb, BT_SKB_RESERVE);
162	bt_cb(skb)->incoming = 0;
163	}
164
165	return skb;
166	}
167
168	static inline int skb_frags_no(struct sk_buff *skb)
169	{
170	register struct sk_buff *frag = skb_shinfo(skb)->frag_list;
171	register int n = 1;
172
173	for (; frag; frag=frag->next, n++);
174	return n;
175	}
176
177	void bt_dump(char pref, __u8 buf, int count);
178
179	int bt_err(__u16 code);
180
181	#endif /* __BLUETOOTH_H */