1/* 2 * ng_btsocket.c 3 */ 4 5/*- 6 * SPDX-License-Identifier: BSD-2-Clause 7 * 8 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com> 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: ng_btsocket.c,v 1.4 2003/09/14 23:29:06 max Exp $ 33 */ 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/bitstring.h> 38#include <sys/errno.h> 39#include <sys/domain.h> 40#include <sys/kernel.h> 41#include <sys/lock.h> 42#include <sys/mbuf.h> 43#include <sys/mutex.h> 44#include <sys/protosw.h> 45#include <sys/socket.h> 46#include <sys/socketvar.h> 47#include <sys/sysctl.h> 48#include <sys/taskqueue.h> 49 50#include <net/vnet.h> 51 52#include <netgraph/ng_message.h> 53#include <netgraph/netgraph.h> 54#include <netgraph/bluetooth/include/ng_bluetooth.h> 55#include <netgraph/bluetooth/include/ng_hci.h> 56#include <netgraph/bluetooth/include/ng_l2cap.h> 57#include <netgraph/bluetooth/include/ng_btsocket.h> 58#include <netgraph/bluetooth/include/ng_btsocket_hci_raw.h> 59#include <netgraph/bluetooth/include/ng_btsocket_l2cap.h> 60#include <netgraph/bluetooth/include/ng_btsocket_rfcomm.h> 61#include <netgraph/bluetooth/include/ng_btsocket_sco.h> 62 63static int ng_btsocket_modevent (module_t, int, void *); 64 65/* 66 * Definitions of protocols supported in the BLUETOOTH domain 67 */ 68 69/* Bluetooth raw HCI sockets */ 70static struct protosw ng_btsocket_hci_raw_protosw = { 71 .pr_type = SOCK_RAW, 72 .pr_protocol = BLUETOOTH_PROTO_HCI, 73 .pr_flags = PR_ATOMIC|PR_ADDR, 74 .pr_ctloutput = ng_btsocket_hci_raw_ctloutput, 75 .pr_abort = ng_btsocket_hci_raw_abort, 76 .pr_attach = ng_btsocket_hci_raw_attach, 77 .pr_bind = ng_btsocket_hci_raw_bind, 78 .pr_connect = ng_btsocket_hci_raw_connect, 79 .pr_control = ng_btsocket_hci_raw_control, 80 .pr_detach = ng_btsocket_hci_raw_detach, 81 .pr_disconnect = ng_btsocket_hci_raw_disconnect, 82 .pr_peeraddr = ng_btsocket_hci_raw_sockaddr, 83 .pr_send = ng_btsocket_hci_raw_send, 84 .pr_sockaddr = ng_btsocket_hci_raw_sockaddr, 85 .pr_close = ng_btsocket_hci_raw_close, 86}; 87 88/* Bluetooth raw L2CAP sockets */ 89static struct protosw ng_btsocket_l2cap_raw_protosw = { 90 .pr_type = SOCK_RAW, 91 .pr_protocol = BLUETOOTH_PROTO_L2CAP, 92 .pr_flags = PR_ATOMIC|PR_ADDR, 93 .pr_abort = ng_btsocket_l2cap_raw_abort, 94 .pr_attach = ng_btsocket_l2cap_raw_attach, 95 .pr_bind = ng_btsocket_l2cap_raw_bind, 96 .pr_connect = ng_btsocket_l2cap_raw_connect, 97 .pr_control = ng_btsocket_l2cap_raw_control, 98 .pr_detach = ng_btsocket_l2cap_raw_detach, 99 .pr_disconnect = ng_btsocket_l2cap_raw_disconnect, 100 .pr_peeraddr = ng_btsocket_l2cap_raw_peeraddr, 101 .pr_send = ng_btsocket_l2cap_raw_send, 102 .pr_sockaddr = ng_btsocket_l2cap_raw_sockaddr, 103 .pr_close = ng_btsocket_l2cap_raw_close, 104}; 105 106/* Bluetooth SEQPACKET L2CAP sockets */ 107static struct protosw ng_btsocket_l2cap_protosw = { 108 .pr_type = SOCK_SEQPACKET, 109 .pr_protocol = BLUETOOTH_PROTO_L2CAP, 110 .pr_flags = PR_ATOMIC|PR_CONNREQUIRED, 111 .pr_ctloutput = ng_btsocket_l2cap_ctloutput, 112 .pr_abort = ng_btsocket_l2cap_abort, 113 .pr_accept = ng_btsocket_l2cap_peeraddr, 114 .pr_attach = ng_btsocket_l2cap_attach, 115 .pr_bind = ng_btsocket_l2cap_bind, 116 .pr_connect = ng_btsocket_l2cap_connect, 117 .pr_control = ng_btsocket_l2cap_control, 118 .pr_detach = ng_btsocket_l2cap_detach, 119 .pr_disconnect = ng_btsocket_l2cap_disconnect, 120 .pr_listen = ng_btsocket_l2cap_listen, 121 .pr_peeraddr = ng_btsocket_l2cap_peeraddr, 122 .pr_send = ng_btsocket_l2cap_send, 123 .pr_sockaddr = ng_btsocket_l2cap_sockaddr, 124 .pr_close = ng_btsocket_l2cap_close, 125}; 126 127/* Bluetooth STREAM RFCOMM sockets */ 128static struct protosw ng_btsocket_rfcomm_protosw = { 129 .pr_type = SOCK_STREAM, 130 .pr_protocol = BLUETOOTH_PROTO_RFCOMM, 131 .pr_flags = PR_CONNREQUIRED, 132 .pr_ctloutput = ng_btsocket_rfcomm_ctloutput, 133 .pr_abort = ng_btsocket_rfcomm_abort, 134 .pr_accept = ng_btsocket_rfcomm_peeraddr, 135 .pr_attach = ng_btsocket_rfcomm_attach, 136 .pr_bind = ng_btsocket_rfcomm_bind, 137 .pr_connect = ng_btsocket_rfcomm_connect, 138 .pr_control = ng_btsocket_rfcomm_control, 139 .pr_detach = ng_btsocket_rfcomm_detach, 140 .pr_disconnect = ng_btsocket_rfcomm_disconnect, 141 .pr_listen = ng_btsocket_rfcomm_listen, 142 .pr_peeraddr = ng_btsocket_rfcomm_peeraddr, 143 .pr_send = ng_btsocket_rfcomm_send, 144 .pr_sockaddr = ng_btsocket_rfcomm_sockaddr, 145 .pr_close = ng_btsocket_rfcomm_close, 146}; 147 148/* Bluetooth SEQPACKET SCO sockets */ 149static struct protosw ng_btsocket_sco_protosw = { 150 .pr_type = SOCK_SEQPACKET, 151 .pr_protocol = BLUETOOTH_PROTO_SCO, 152 .pr_flags = PR_ATOMIC|PR_CONNREQUIRED, 153 .pr_ctloutput = ng_btsocket_sco_ctloutput, 154 .pr_abort = ng_btsocket_sco_abort, 155 .pr_accept = ng_btsocket_sco_peeraddr, 156 .pr_attach = ng_btsocket_sco_attach, 157 .pr_bind = ng_btsocket_sco_bind, 158 .pr_connect = ng_btsocket_sco_connect, 159 .pr_control = ng_btsocket_sco_control, 160 .pr_detach = ng_btsocket_sco_detach, 161 .pr_disconnect = ng_btsocket_sco_disconnect, 162 .pr_listen = ng_btsocket_sco_listen, 163 .pr_peeraddr = ng_btsocket_sco_peeraddr, 164 .pr_send = ng_btsocket_sco_send, 165 .pr_sockaddr = ng_btsocket_sco_sockaddr, 166 .pr_close = ng_btsocket_sco_close, 167}; 168 169/* 170 * BLUETOOTH domain 171 */ 172 173static struct domain ng_btsocket_domain = { 174 .dom_family = AF_BLUETOOTH, 175 .dom_name = "bluetooth", 176 .dom_nprotosw = 5, 177 .dom_protosw = { 178 &ng_btsocket_hci_raw_protosw, 179 &ng_btsocket_l2cap_raw_protosw, 180 &ng_btsocket_l2cap_protosw, 181 &ng_btsocket_rfcomm_protosw, 182 &ng_btsocket_sco_protosw, 183 }, 184}; 185 186/* 187 * Socket sysctl tree 188 */ 189 190SYSCTL_NODE(_net_bluetooth_hci, OID_AUTO, sockets, 191 CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 192 "Bluetooth HCI sockets family"); 193SYSCTL_NODE(_net_bluetooth_l2cap, OID_AUTO, sockets, 194 CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 195 "Bluetooth L2CAP sockets family"); 196SYSCTL_NODE(_net_bluetooth_rfcomm, OID_AUTO, sockets, 197 CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 198 "Bluetooth RFCOMM sockets family"); 199SYSCTL_NODE(_net_bluetooth_sco, OID_AUTO, sockets, 200 CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 201 "Bluetooth SCO sockets family"); 202 203/* 204 * Module 205 */ 206 207static moduledata_t ng_btsocket_mod = { 208 "ng_btsocket", 209 ng_btsocket_modevent, 210 NULL 211}; 212 213DECLARE_MODULE(ng_btsocket, ng_btsocket_mod, SI_SUB_PROTO_DOMAIN, 214 SI_ORDER_ANY); 215MODULE_VERSION(ng_btsocket, NG_BLUETOOTH_VERSION); 216MODULE_DEPEND(ng_btsocket, ng_bluetooth, NG_BLUETOOTH_VERSION, 217 NG_BLUETOOTH_VERSION, NG_BLUETOOTH_VERSION); 218MODULE_DEPEND(ng_btsocket, netgraph, NG_ABI_VERSION, 219 NG_ABI_VERSION, NG_ABI_VERSION); 220 221/* 222 * Handle loading and unloading for this node type. 223 * This is to handle auxiliary linkages (e.g protocol domain addition). 224 */ 225 226static int 227ng_btsocket_modevent(module_t mod, int event, void *data) 228{ 229 int error = 0; 230 231 switch (event) { 232 case MOD_LOAD: 233 break; 234 235 case MOD_UNLOAD: 236 /* XXX can't unload protocol domain yet */ 237 error = EBUSY; 238 break; 239 240 default: 241 error = EOPNOTSUPP; 242 break; 243 } 244 245 return (error); 246} /* ng_btsocket_modevent */ 247 248DOMAIN_SET(ng_btsocket_); 249