[net-next-2.6.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)

/* 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 {
	__u8 pkt_type;
	__u8 incoming;
};
#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;

	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;
}

int bt_err(__u16 code);

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

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

extern struct class *bt_class;

#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
1da177e4 LT	60	/* Connection and socket states */
	61	enum {
	62	BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
	63	BT_OPEN,
	64	BT_BOUND,
	65	BT_LISTEN,
	66	BT_CONNECT,
	67	BT_CONNECT2,
	68	BT_CONFIG,
	69	BT_DISCONN,
	70	BT_CLOSED
	71	};
	72
	73	/* Endianness conversions */
	74	#define htobs(a) __cpu_to_le16(a)
	75	#define htobl(a) __cpu_to_le32(a)
	76	#define btohs(a) __le16_to_cpu(a)
	77	#define btohl(a) __le32_to_cpu(a)
	78
	79	/* BD Address */
	80	typedef struct {
	81	__u8 b[6];
	82	} __attribute__((packed)) bdaddr_t;
	83
	84	#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
	85	#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
	86
	87	/* Copy, swap, convert BD Address */
	88	static inline int bacmp(bdaddr_t ba1, bdaddr_t ba2)
	89	{
	90	return memcmp(ba1, ba2, sizeof(bdaddr_t));
	91	}
	92	static inline void bacpy(bdaddr_t dst, bdaddr_t src)
	93	{
	94	memcpy(dst, src, sizeof(bdaddr_t));
	95	}
	96
	97	void baswap(bdaddr_t dst, bdaddr_t src);
	98	char batostr(bdaddr_t ba);
	99	bdaddr_t strtoba(char str);
	100
	101	/* Common socket structures and functions */
	102
	103	#define bt_sk(__sk) ((struct bt_sock *) __sk)
	104
	105	struct bt_sock {
	106	struct sock sk;
	107	bdaddr_t src;
	108	bdaddr_t dst;
	109	struct list_head accept_q;
	110	struct sock *parent;
	111	};
	112
	113	struct bt_sock_list {
	114	struct hlist_head head;
	115	rwlock_t lock;
	116	};
	117
	118	int bt_sock_register(int proto, struct net_proto_family *ops);
	119	int bt_sock_unregister(int proto);
	120	void bt_sock_link(struct bt_sock_list l, struct sock s);
	121	void bt_sock_unlink(struct bt_sock_list l, struct sock s);
	122	int bt_sock_recvmsg(struct kiocb iocb, struct socket sock, struct msghdr *msg, size_t len, int flags);
	123	uint bt_sock_poll(struct file * file, struct socket sock, poll_table wait);
124	int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
125
126	void bt_accept_enqueue(struct sock parent, struct sock sk);
127	void bt_accept_unlink(struct sock *sk);
128	struct sock bt_accept_dequeue(struct sock parent, struct socket *newsock);
129
130	/* Skb helpers */
131	struct bt_skb_cb {
0d48d939 MH	132	__u8 pkt_type;
0d48d939 MH	133	__u8 incoming;
1da177e4 LT	134	};
	135	#define bt_cb(skb) ((struct bt_skb_cb *)(skb->cb))
	136
dd0fc66f	137	static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
1da177e4 LT	138	{
	139	struct sk_buff *skb;
	140
	141	if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
	142	skb_reserve(skb, BT_SKB_RESERVE);
	143	bt_cb(skb)->incoming = 0;
	144	}
	145	return skb;
	146	}
	147
	148	static inline struct sk_buff bt_skb_send_alloc(struct sock sk, unsigned long len,
	149	int nb, int *err)
	150	{
	151	struct sk_buff *skb;
	152
	153	if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) {
	154	skb_reserve(skb, BT_SKB_RESERVE);
	155	bt_cb(skb)->incoming = 0;
	156	}
	157
	158	return skb;
	159	}
	160
	161	static inline int skb_frags_no(struct sk_buff *skb)
	162	{
	163	register struct sk_buff *frag = skb_shinfo(skb)->frag_list;
	164	register int n = 1;
	165
	166	for (; frag; frag=frag->next, n++);
	167	return n;
	168	}
	169
1da177e4 LT	170	int bt_err(__u16 code);
1da177e4 LT	171
6516455d MH	172	extern int hci_sock_init(void);
	173	extern int hci_sock_cleanup(void);
	174
	175	extern int bt_sysfs_init(void);
	176	extern void bt_sysfs_cleanup(void);
	177
a91f2e39	178	extern struct class *bt_class;
be9d1227	179
1da177e4	180	#endif /* __BLUETOOTH_H */