sys/netbt/bluetooth.h

   1 /*      $NetBSD: bluetooth.h,v 1.7 2008/04/24 11:38:37 ad 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 MALLOC_DECLARE(M_BLUETOOTH);
 107
 108 /*
 109  * Bluetooth Protocol API callback methods
 110  */
 111 struct mbuf;
 112 struct btproto {
 113         void (*connecting)(void *);
 114         void (*connected)(void *);
 115         void (*disconnected)(void *, int);
 116         void *(*newconn)(void *, struct sockaddr_bt *, struct sockaddr_bt *);
 117         void (*complete)(void *, int);
 118         void (*linkmode)(void *, int);
 119         void (*input)(void *, struct mbuf *);
 120 };
 121
 122 /*
 123  * Debugging stuff
 124  */
 125 #include "opt_bluetooth.h"
 126
 127 #ifdef BLUETOOTH_DEBUG
 128 extern int bluetooth_debug;
 129 # define DPRINTF(fmt, args...)  do {                    \
 130         if (bluetooth_debug)                            \
 131                 printf("%s: "fmt, __func__ , ##args);   \
 132 } while (/* CONSTCOND */0)
 133
 134 # define DPRINTFN(n, fmt, args...)      do {            \
 135         if (bluetooth_debug > (n))                      \
 136                 printf("%s: "fmt, __func__ , ##args);   \
 137 } while (/* CONSTCOND */0)
 138
 139 # define UNKNOWN(value)                 \
 140                 printf("%s: %s = %d unknown!\n", __func__, #value, (value));
 141 #else
 142 # define DPRINTF(...) ((void)0)
 143 # define DPRINTFN(...) ((void)0)
 144 # define UNKNOWN(x) ((void)0)
 145 #endif  /* BLUETOOTH_DEBUG */
 146
 147 extern kmutex_t *bt_lock;
 148
 149 #endif  /* _KERNEL */
 150
 151 #endif  /* _NETBT_BLUETOOTH_H_ */