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      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  */
     53 typedef struct {
     54 	uint8_t	b[BLUETOOTH_BDADDR_SIZE];
     55 } __packed bdaddr_t;
     56 
     57 /*
     58  * bdaddr utility functions
     59  */
     60 static __inline int
     61 bdaddr_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 
     69 static __inline int
     70 bdaddr_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 
     77 static __inline void
     78 bdaddr_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  */
     92 struct 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>
    109 MALLOC_DECLARE(M_BLUETOOTH);
    110 
    111 /*
    112  * Bluetooth Protocol API callback methods
    113  */
    114 struct mbuf;
    115 struct 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 
    125 extern const struct pr_usrreqs hci_usrreqs;
    126 extern const struct pr_usrreqs sco_usrreqs;
    127 extern const struct pr_usrreqs l2cap_usrreqs;
    128 extern const struct pr_usrreqs rfcomm_usrreqs;
    129 
    130 extern kmutex_t *bt_lock;
    131 
    132 /*
    133  * Debugging stuff
    134  */
    135 #ifdef BLUETOOTH_DEBUG
    136 extern 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_ */
    162