FreeBSD/Linux Kernel Cross Reference
sys/netbt/bluetooth.h

     /*      $NetBSD: bluetooth.h,v 1.12 2014/05/18 14:46:16 rmind Exp $     */
     
     /*-
      * Copyright (c) 2005 Iain Hibbert.
      * Copyright (c) 2006 Itronix Inc.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of Itronix Inc. may not be used to endorse
     *    or promote products derived from this software without specific
     *    prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
     * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     * ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #ifndef _NETBT_BLUETOOTH_H_
    #define _NETBT_BLUETOOTH_H_
    
    #include <sys/socket.h>
    #include <sys/types.h>
    
    /*
     * Bluetooth Address Family Protocol Numbers
     */
    #define BTPROTO_HCI     1
    #define BTPROTO_L2CAP   2
    #define BTPROTO_RFCOMM  3
    #define BTPROTO_SCO     4
    
    /* All sizes are in bytes */
    #define BLUETOOTH_BDADDR_SIZE   6
    
    /*
     * Bluetooth device address
     */
    typedef struct {
            uint8_t b[BLUETOOTH_BDADDR_SIZE];
    } __packed bdaddr_t;
    
    /*
     * bdaddr utility functions
     */
    static __inline int
    bdaddr_same(const bdaddr_t *a, const bdaddr_t *b)
    {
    
            return (a->b[0] == b->b[0] && a->b[1] == b->b[1]
                    && a->b[2] == b->b[2] && a->b[3] == b->b[3]
                    && a->b[4] == b->b[4] && a->b[5] == b->b[5]);
    }
    
    static __inline int
    bdaddr_any(const bdaddr_t *a)
    {
    
            return (a->b[0] == 0 && a->b[1] == 0 && a->b[2] == 0
                    && a->b[3] == 0 && a->b[4] == 0 && a->b[5] == 0);
    }
    
    static __inline void
    bdaddr_copy(bdaddr_t *d, const bdaddr_t *s)
    {
    
            d->b[0] = s->b[0];
            d->b[1] = s->b[1];
            d->b[2] = s->b[2];
            d->b[3] = s->b[3];
            d->b[4] = s->b[4];
            d->b[5] = s->b[5];
    }
    
    /*
     * Socket address used by Bluetooth protocols
     */
    struct sockaddr_bt {
            uint8_t         bt_len;
            sa_family_t     bt_family;
            bdaddr_t        bt_bdaddr;
            uint16_t        bt_psm;
            uint8_t         bt_channel;
            uint8_t         bt_zero[5];
    };
   
   /* Note: this is actually 6 bytes including terminator */
   #define BDADDR_ANY      ((const bdaddr_t *) "\000\000\000\000\000")
   
   #ifdef _KERNEL
   
   #include <sys/protosw.h>
   
   #include <sys/mallocvar.h>
   MALLOC_DECLARE(M_BLUETOOTH);
   
   /*
    * Bluetooth Protocol API callback methods
    */
   struct mbuf;
   struct btproto {
           void (*connecting)(void *);
           void (*connected)(void *);
           void (*disconnected)(void *, int);
           void *(*newconn)(void *, struct sockaddr_bt *, struct sockaddr_bt *);
           void (*complete)(void *, int);
           void (*linkmode)(void *, int);
           void (*input)(void *, struct mbuf *);
   };
   
   extern const struct pr_usrreqs hci_usrreqs;
   extern const struct pr_usrreqs sco_usrreqs;
   extern const struct pr_usrreqs l2cap_usrreqs;
   extern const struct pr_usrreqs rfcomm_usrreqs;
   
   extern kmutex_t *bt_lock;
   
   /*
    * Debugging stuff
    */
   #ifdef BLUETOOTH_DEBUG
   extern int bluetooth_debug;
   # define DPRINTF(...)   do {                    \
           if (bluetooth_debug) {                  \
                   printf("%s: ", __func__);       \
                   printf(__VA_ARGS__);            \
           }                                       \
   } while (/* CONSTCOND */0)
   
   # define DPRINTFN(n, ...)       do {            \
           if (bluetooth_debug > (n)) {            \
                   printf("%s: ", __func__);       \
                   printf(__VA_ARGS__);            \
           }                                       \
   } while (/* CONSTCOND */0)
   
   # define UNKNOWN(value)                 \
                   printf("%s: %s = %d unknown!\n", __func__, #value, (value));
   #else
   # define DPRINTF(...) ((void)0)
   # define DPRINTFN(...) ((void)0)
   # define UNKNOWN(x) ((void)0)
   #endif  /* BLUETOOTH_DEBUG */
   
   #endif  /* _KERNEL */
   
   #endif  /* _NETBT_BLUETOOTH_H_ */

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