The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/netbt/bluetooth.h

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    1 /*      $NetBSD: bluetooth.h,v 1.8 2008/09/08 23:36:55 gmcgarry 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_ */

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