| 1 | /* $NetBSD: bt_proto.c,v 1.16 2016/01/21 15:41:30 riastradh 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 1.16 2016/01/21 15:41:30 riastradh 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 | static const struct protosw btsw[] = { |
| 66 | { /* raw HCI commands */ |
| 67 | .pr_type = SOCK_RAW, |
| 68 | .pr_domain = &btdomain, |
| 69 | .pr_protocol = BTPROTO_HCI, |
| 70 | .pr_flags = (PR_ADDR | PR_ATOMIC), |
| 71 | .pr_init = hci_init, |
| 72 | .pr_ctloutput = hci_ctloutput, |
| 73 | .pr_usrreqs = &hci_usrreqs, |
| 74 | }, |
| 75 | { /* HCI SCO data (audio) */ |
| 76 | .pr_type = SOCK_SEQPACKET, |
| 77 | .pr_domain = &btdomain, |
| 78 | .pr_protocol = BTPROTO_SCO, |
| 79 | .pr_flags = (PR_CONNREQUIRED | PR_ATOMIC | PR_LISTEN), |
| 80 | .pr_ctloutput = sco_ctloutput, |
| 81 | .pr_usrreqs = &sco_usrreqs, |
| 82 | }, |
| 83 | { /* L2CAP Connection Oriented */ |
| 84 | .pr_type = SOCK_SEQPACKET, |
| 85 | .pr_domain = &btdomain, |
| 86 | .pr_protocol = BTPROTO_L2CAP, |
| 87 | .pr_flags = (PR_CONNREQUIRED | PR_ATOMIC | PR_LISTEN), |
| 88 | .pr_ctloutput = l2cap_ctloutput, |
| 89 | .pr_usrreqs = &l2cap_usrreqs, |
| 90 | .pr_init = l2cap_init, |
| 91 | }, |
| 92 | { /* RFCOMM */ |
| 93 | .pr_type = SOCK_STREAM, |
| 94 | .pr_domain = &btdomain, |
| 95 | .pr_protocol = BTPROTO_RFCOMM, |
| 96 | .pr_flags = (PR_CONNREQUIRED | PR_LISTEN | PR_WANTRCVD), |
| 97 | .pr_ctloutput = rfcomm_ctloutput, |
| 98 | .pr_usrreqs = &rfcomm_usrreqs, |
| 99 | .pr_init = rfcomm_init, |
| 100 | }, |
| 101 | }; |
| 102 | |
| 103 | struct domain btdomain = { |
| 104 | .dom_family = AF_BLUETOOTH, |
| 105 | .dom_name = "bluetooth" , |
| 106 | .dom_init = bt_init, |
| 107 | .dom_protosw = btsw, |
| 108 | .dom_protoswNPROTOSW = &btsw[__arraycount(btsw)], |
| 109 | }; |
| 110 | |
| 111 | kmutex_t *bt_lock; |
| 112 | |
| 113 | static void |
| 114 | bt_init(void) |
| 115 | { |
| 116 | |
| 117 | bt_lock = mutex_obj_alloc(MUTEX_DEFAULT, IPL_NONE); |
| 118 | } |
| 119 | |