sys/netbt/bt_proto.c

   1 /*      $NetBSD: bt_proto.c,v 1.11 2009/08/10 18:25:20 plunky 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 #include <sys/cdefs.h>
  34 __KERNEL_RCSID(0, "$NetBSD: bt_proto.c,v 1.11 2009/08/10 18:25:20 plunky Exp $");
  35
  36 #include <sys/param.h>
  37 #include <sys/domain.h>
  38 #include <sys/kernel.h>
  39 #include <sys/protosw.h>
  40 #include <sys/socket.h>
  41 #include <sys/systm.h>
  42
  43 #include <net/route.h>
  44
  45 #include <netbt/bluetooth.h>
  46 #include <netbt/hci.h>
  47 #include <netbt/l2cap.h>
  48 #include <netbt/rfcomm.h>
  49 #include <netbt/sco.h>
  50
  51 DOMAIN_DEFINE(btdomain);        /* forward declare and add to link set */
  52
  53 static void     bt_init(void);
  54
  55 PR_WRAP_CTLOUTPUT(hci_ctloutput)
  56 PR_WRAP_CTLOUTPUT(sco_ctloutput)
  57 PR_WRAP_CTLOUTPUT(l2cap_ctloutput)
  58 PR_WRAP_CTLOUTPUT(rfcomm_ctloutput)
  59
  60 #define hci_ctloutput           hci_ctloutput_wrapper
  61 #define sco_ctloutput           sco_ctloutput_wrapper
  62 #define l2cap_ctloutput         l2cap_ctloutput_wrapper
  63 #define rfcomm_ctloutput        rfcomm_ctloutput_wrapper
  64
  65 PR_WRAP_USRREQ(hci_usrreq)
  66 PR_WRAP_USRREQ(sco_usrreq)
  67 PR_WRAP_USRREQ(l2cap_usrreq)
  68 PR_WRAP_USRREQ(rfcomm_usrreq)
  69
  70 #define hci_usrreq              hci_usrreq_wrapper
  71 #define sco_usrreq              sco_usrreq_wrapper
  72 #define l2cap_usrreq            l2cap_usrreq_wrapper
  73 #define rfcomm_usrreq           rfcomm_usrreq_wrapper
  74
  75 const struct protosw btsw[] = {
  76         { /* raw HCI commands */
  77                 .pr_type = SOCK_RAW,
  78                 .pr_domain = &btdomain,
  79                 .pr_protocol = BTPROTO_HCI,
  80                 .pr_flags = (PR_ADDR | PR_ATOMIC),
  81                 .pr_init = hci_init,
  82                 .pr_ctloutput = hci_ctloutput,
  83                 .pr_usrreq = hci_usrreq,
  84         },
  85         { /* HCI SCO data (audio) */
  86                 .pr_type = SOCK_SEQPACKET,
  87                 .pr_domain = &btdomain,
  88                 .pr_protocol = BTPROTO_SCO,
  89                 .pr_flags = (PR_CONNREQUIRED | PR_ATOMIC | PR_LISTEN),
  90                 .pr_ctloutput = sco_ctloutput,
  91                 .pr_usrreq = sco_usrreq,
  92         },
  93         { /* L2CAP Connection Oriented */
  94                 .pr_type = SOCK_SEQPACKET,
  95                 .pr_domain = &btdomain,
  96                 .pr_protocol = BTPROTO_L2CAP,
  97                 .pr_flags = (PR_CONNREQUIRED | PR_ATOMIC | PR_LISTEN),
  98                 .pr_ctloutput = l2cap_ctloutput,
  99                 .pr_usrreq = l2cap_usrreq,
 100                 .pr_init = l2cap_init,
 101         },
 102         { /* RFCOMM */
 103                 .pr_type = SOCK_STREAM,
 104                 .pr_domain = &btdomain,
 105                 .pr_protocol = BTPROTO_RFCOMM,
 106                 .pr_flags = (PR_CONNREQUIRED | PR_LISTEN | PR_WANTRCVD),
 107                 .pr_ctloutput = rfcomm_ctloutput,
 108                 .pr_usrreq = rfcomm_usrreq,
 109                 .pr_init = rfcomm_init,
 110         },
 111 };
 112
 113 struct domain btdomain = {
 114         .dom_family = AF_BLUETOOTH,
 115         .dom_name = "bluetooth",
 116         .dom_init = bt_init,
 117         .dom_protosw = btsw,
 118         .dom_protoswNPROTOSW = &btsw[__arraycount(btsw)],
 119 };
 120
 121 kmutex_t *bt_lock;
 122
 123 static void
 124 bt_init(void)
 125 {
 126
 127         bt_lock = mutex_obj_alloc(MUTEX_DEFAULT, IPL_NONE);
 128 }