sys/netbt/bluetooth.h

   1 /* $DragonFly: src/sys/netbt/bluetooth.h,v 1.2 2008/03/18 13:41:42 hasso Exp $ */
   2 /* $OpenBSD: src/sys/netbt/bluetooth.h,v 1.5 2008/02/24 21:34:48 uwe Exp $ */
   3 /* $NetBSD: bluetooth.h,v 1.6 2007/09/17 01:23:17 rillig Exp $ */
   4
   5 /*-
   6  * Copyright (c) 2005 Iain Hibbert.
   7  * Copyright (c) 2006 Itronix Inc.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. The name of Itronix Inc. may not be used to endorse
  19  *    or promote products derived from this software without specific
  20  *    prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
  26  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  29  * ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  */
  34
  35 #ifndef _NETBT_BLUETOOTH_H_
  36 #define _NETBT_BLUETOOTH_H_
  37
  38 #include <sys/socket.h>
  39 #include <sys/types.h>
  40
  41 /*
  42  * Bluetooth Address Family Protocol Numbers
  43  */
  44 #define BTPROTO_HCI     1
  45 #define BTPROTO_L2CAP   2
  46 #define BTPROTO_RFCOMM  3
  47 #define BTPROTO_SCO     4
  48
  49 /* All sizes are in bytes */
  50 #define BLUETOOTH_BDADDR_SIZE   6
  51
  52 /*
  53  * Bluetooth device address
  54  */
  55 typedef struct {
  56         uint8_t b[BLUETOOTH_BDADDR_SIZE];
  57 } __attribute__ ((packed)) bdaddr_t;
  58
  59 /*
  60  * bdaddr utility functions
  61  */
  62 static __inline int
  63 bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
  64 {
  65
  66         return (a->b[0] == b->b[0] && a->b[1] == b->b[1]
  67                 && a->b[2] == b->b[2] && a->b[3] == b->b[3]
  68                 && a->b[4] == b->b[4] && a->b[5] == b->b[5]);
  69 }
  70
  71 static __inline int
  72 bdaddr_any(const bdaddr_t *a)
  73 {
  74
  75         return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0
  76                 && a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
  77 }
  78
  79 static __inline void
  80 bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
  81 {
  82
  83         d->b[0] = s->b[0];
  84         d->b[1] = s->b[1];
  85         d->b[2] = s->b[2];
  86         d->b[3] = s->b[3];
  87         d->b[4] = s->b[4];
  88         d->b[5] = s->b[5];
  89 }
  90
  91 /*
  92  * Socket address used by Bluetooth protocols
  93  */
  94 struct sockaddr_bt {
  95         uint8_t         bt_len;
  96         sa_family_t     bt_family;
  97         bdaddr_t        bt_bdaddr;
  98         uint16_t        bt_psm;
  99         uint8_t         bt_channel;
 100         uint8_t         bt_zero[5];
 101 };
 102
 103 /* Note: this is actually 6 bytes including terminator */
 104 #define BDADDR_ANY      ((const bdaddr_t *) "\000\000\000\000\000")
 105
 106 #ifdef _KERNEL
 107 #include <sys/malloc.h>
 108 #include <sys/bus.h>
 109
 110 MALLOC_DECLARE(M_BLUETOOTH);
 111
 112 /*
 113  * Bluetooth Protocol API callback methods
 114  */
 115 struct mbuf;
 116 struct btproto {
 117         void (*connecting)(void *);
 118         void (*connected)(void *);
 119         void (*disconnected)(void *, int);
 120         void *(*newconn)(void *, struct sockaddr_bt *, struct sockaddr_bt *);
 121         void (*complete)(void *, int);
 122         void (*linkmode)(void *, int);
 123         void (*input)(void *, struct mbuf *);
 124 };
 125
 126 /*
 127  * Debugging stuff
 128  */
 129 #ifdef BLUETOOTH_DEBUG
 130 extern int bluetooth_debug;
 131 # define DPRINTF(fmt, args...)  do {                    \
 132         if (bluetooth_debug)                            \
 133                 kprintf("%s: "fmt, __func__ , ##args);  \
 134 } while (/* CONSTCOND */0)
 135
 136 # define DPRINTFN(n, fmt, args...)      do {            \
 137         if (bluetooth_debug > (n))                      \
 138                 kprintf("%s: "fmt, __func__ , ##args);  \
 139 } while (/* CONSTCOND */0)
 140
 141 # define UNKNOWN(value)                 \
 142                 kprintf("%s: %s = %d unknown!\n", __func__, #value, (value));
 143 #else
 144 # define DPRINTF(...) ((void)0)
 145 # define DPRINTFN(...) ((void)0)
 146 # define UNKNOWN(x) ((void)0)
 147 #endif  /* BLUETOOTH_DEBUG */
 148
 149 #define sbspace(sb) \
 150     ((long) imin((int)((sb)->ssb_hiwat - (sb)->ssb_cc), \
 151          (int)((sb)->ssb_mbmax - (sb)->ssb_mbcnt)))
 152 #endif  /* _KERNEL */
 153
 154 #define letoh16(x)              le16toh(x)
 155 #define letoh32(x)              le32toh(x)
 156
 157 #endif  /* _NETBT_BLUETOOTH_H_ */