master
  1/*	$NetBSD: bluetooth.h,v 1.12 2014/05/18 14:46:16 rmind Exp $	*/
  2
  3/*-
  4 * Copyright (c) 2005 Iain Hibbert.
  5 * Copyright (c) 2006 Itronix Inc.
  6 * All rights reserved.
  7 *
  8 * Redistribution and use in source and binary forms, with or without
  9 * modification, are permitted provided that the following conditions
 10 * are met:
 11 * 1. Redistributions of source code must retain the above copyright
 12 *    notice, this list of conditions and the following disclaimer.
 13 * 2. Redistributions in binary form must reproduce the above copyright
 14 *    notice, this list of conditions and the following disclaimer in the
 15 *    documentation and/or other materials provided with the distribution.
 16 * 3. The name of Itronix Inc. may not be used to endorse
 17 *    or promote products derived from this software without specific
 18 *    prior written permission.
 19 *
 20 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
 24 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 27 * ON ANY THEORY OF LIABILITY, WHETHER IN
 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 30 * POSSIBILITY OF SUCH DAMAGE.
 31 */
 32
 33#ifndef _NETBT_BLUETOOTH_H_
 34#define _NETBT_BLUETOOTH_H_
 35
 36#include <sys/socket.h>
 37#include <sys/types.h>
 38
 39/*
 40 * Bluetooth Address Family Protocol Numbers
 41 */
 42#define BTPROTO_HCI	1
 43#define BTPROTO_L2CAP	2
 44#define BTPROTO_RFCOMM	3
 45#define BTPROTO_SCO	4
 46
 47/* All sizes are in bytes */
 48#define BLUETOOTH_BDADDR_SIZE	6
 49
 50/*
 51 * Bluetooth device address
 52 */
 53typedef struct {
 54	uint8_t	b[BLUETOOTH_BDADDR_SIZE];
 55} __packed bdaddr_t;
 56
 57/*
 58 * bdaddr utility functions
 59 */
 60static __inline int
 61bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
 62{
 63
 64	return (a->b[0] == b->b[0] && a->b[1] == b->b[1]
 65		&& a->b[2] == b->b[2] && a->b[3] == b->b[3]
 66		&& a->b[4] == b->b[4] && a->b[5] == b->b[5]);
 67}
 68
 69static __inline int
 70bdaddr_any(const bdaddr_t *a)
 71{
 72
 73	return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0
 74		&& a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
 75}
 76
 77static __inline void
 78bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
 79{
 80
 81	d->b[0] = s->b[0];
 82	d->b[1] = s->b[1];
 83	d->b[2] = s->b[2];
 84	d->b[3] = s->b[3];
 85	d->b[4] = s->b[4];
 86	d->b[5] = s->b[5];
 87}
 88
 89/*
 90 * Socket address used by Bluetooth protocols
 91 */
 92struct sockaddr_bt {
 93	uint8_t		bt_len;
 94	sa_family_t	bt_family;
 95	bdaddr_t	bt_bdaddr;
 96	uint16_t	bt_psm;
 97	uint8_t		bt_channel;
 98	uint8_t		bt_zero[5];
 99};
100
101/* Note: this is actually 6 bytes including terminator */
102#define BDADDR_ANY	((const bdaddr_t *) "\000\000\000\000\000")
103
104#ifdef _KERNEL
105
106#include <sys/protosw.h>
107
108#include <sys/mallocvar.h>
109MALLOC_DECLARE(M_BLUETOOTH);
110
111/*
112 * Bluetooth Protocol API callback methods
113 */
114struct mbuf;
115struct btproto {
116	void (*connecting)(void *);
117	void (*connected)(void *);
118	void (*disconnected)(void *, int);
119	void *(*newconn)(void *, struct sockaddr_bt *, struct sockaddr_bt *);
120	void (*complete)(void *, int);
121	void (*linkmode)(void *, int);
122	void (*input)(void *, struct mbuf *);
123};
124
125extern const struct pr_usrreqs hci_usrreqs;
126extern const struct pr_usrreqs sco_usrreqs;
127extern const struct pr_usrreqs l2cap_usrreqs;
128extern const struct pr_usrreqs rfcomm_usrreqs;
129
130extern kmutex_t *bt_lock;
131
132/*
133 * Debugging stuff
134 */
135#ifdef BLUETOOTH_DEBUG
136extern int bluetooth_debug;
137# define DPRINTF(...)	do {			\
138	if (bluetooth_debug) {			\
139		printf("%s: ", __func__);	\
140		printf(__VA_ARGS__);		\
141	}					\
142} while (/* CONSTCOND */0)
143
144# define DPRINTFN(n, ...)	do {		\
145	if (bluetooth_debug > (n)) {		\
146		printf("%s: ", __func__);	\
147		printf(__VA_ARGS__);		\
148	}					\
149} while (/* CONSTCOND */0)
150
151# define UNKNOWN(value)			\
152		printf("%s: %s = %d unknown!\n", __func__, #value, (value));
153#else
154# define DPRINTF(...) ((void)0)
155# define DPRINTFN(...) ((void)0)
156# define UNKNOWN(x) ((void)0)
157#endif	/* BLUETOOTH_DEBUG */
158
159#endif	/* _KERNEL */
160
161#endif	/* _NETBT_BLUETOOTH_H_ */