1 /* $NetBSD: bt_proto.c,v 1.12 2009/09/13 18:45:11 pooka 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 1.12 2009/09/13 18:45:11 pooka 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 } 129