1 /* 2 * ng_btsocket.c 3 */ 4 5 /*- 6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 34 */ 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/bitstring.h> 39 #include <sys/errno.h> 40 #include <sys/domain.h> 41 #include <sys/kernel.h> 42 #include <sys/lock.h> 43 #include <sys/mbuf.h> 44 #include <sys/mutex.h> 45 #include <sys/protosw.h> 46 #include <sys/socket.h> 47 #include <sys/socketvar.h> 48 #include <sys/sysctl.h> 49 #include <sys/taskqueue.h> 50 51 #include <net/vnet.h> 52 53 #include <netgraph/ng_message.h> 54 #include <netgraph/netgraph.h> 55 #include <netgraph/bluetooth/include/ng_bluetooth.h> 56 #include <netgraph/bluetooth/include/ng_hci.h> 57 #include <netgraph/bluetooth/include/ng_l2cap.h> 58 #include <netgraph/bluetooth/include/ng_btsocket.h> 59 #include <netgraph/bluetooth/include/ng_btsocket_hci_raw.h> 60 #include <netgraph/bluetooth/include/ng_btsocket_l2cap.h> 61 #include <netgraph/bluetooth/include/ng_btsocket_rfcomm.h> 62 #include <netgraph/bluetooth/include/ng_btsocket_sco.h> 63 64 static int ng_btsocket_modevent (module_t, int, void *); 65 66 /* 67 * Definitions of protocols supported in the BLUETOOTH domain 68 */ 69 70 /* Bluetooth raw HCI sockets */ 71 static struct protosw ng_btsocket_hci_raw_protosw = { 72 .pr_type = SOCK_RAW, 73 .pr_protocol = BLUETOOTH_PROTO_HCI, 74 .pr_flags = PR_ATOMIC|PR_ADDR, 75 .pr_ctloutput = ng_btsocket_hci_raw_ctloutput, 76 .pr_abort = ng_btsocket_hci_raw_abort, 77 .pr_attach = ng_btsocket_hci_raw_attach, 78 .pr_bind = ng_btsocket_hci_raw_bind, 79 .pr_connect = ng_btsocket_hci_raw_connect, 80 .pr_control = ng_btsocket_hci_raw_control, 81 .pr_detach = ng_btsocket_hci_raw_detach, 82 .pr_disconnect = ng_btsocket_hci_raw_disconnect, 83 .pr_peeraddr = ng_btsocket_hci_raw_peeraddr, 84 .pr_send = ng_btsocket_hci_raw_send, 85 .pr_sockaddr = ng_btsocket_hci_raw_sockaddr, 86 .pr_close = ng_btsocket_hci_raw_close, 87 }; 88 89 /* Bluetooth raw L2CAP sockets */ 90 static struct protosw ng_btsocket_l2cap_raw_protosw = { 91 .pr_type = SOCK_RAW, 92 .pr_protocol = BLUETOOTH_PROTO_L2CAP, 93 .pr_flags = PR_ATOMIC|PR_ADDR, 94 .pr_abort = ng_btsocket_l2cap_raw_abort, 95 .pr_attach = ng_btsocket_l2cap_raw_attach, 96 .pr_bind = ng_btsocket_l2cap_raw_bind, 97 .pr_connect = ng_btsocket_l2cap_raw_connect, 98 .pr_control = ng_btsocket_l2cap_raw_control, 99 .pr_detach = ng_btsocket_l2cap_raw_detach, 100 .pr_disconnect = ng_btsocket_l2cap_raw_disconnect, 101 .pr_peeraddr = ng_btsocket_l2cap_raw_peeraddr, 102 .pr_send = ng_btsocket_l2cap_raw_send, 103 .pr_sockaddr = ng_btsocket_l2cap_raw_sockaddr, 104 .pr_close = ng_btsocket_l2cap_raw_close, 105 }; 106 107 /* Bluetooth SEQPACKET L2CAP sockets */ 108 static struct protosw ng_btsocket_l2cap_protosw = { 109 .pr_type = SOCK_SEQPACKET, 110 .pr_protocol = BLUETOOTH_PROTO_L2CAP, 111 .pr_flags = PR_ATOMIC|PR_CONNREQUIRED, 112 .pr_ctloutput = ng_btsocket_l2cap_ctloutput, 113 .pr_abort = ng_btsocket_l2cap_abort, 114 .pr_accept = ng_btsocket_l2cap_accept, 115 .pr_attach = ng_btsocket_l2cap_attach, 116 .pr_bind = ng_btsocket_l2cap_bind, 117 .pr_connect = ng_btsocket_l2cap_connect, 118 .pr_control = ng_btsocket_l2cap_control, 119 .pr_detach = ng_btsocket_l2cap_detach, 120 .pr_disconnect = ng_btsocket_l2cap_disconnect, 121 .pr_listen = ng_btsocket_l2cap_listen, 122 .pr_peeraddr = ng_btsocket_l2cap_peeraddr, 123 .pr_send = ng_btsocket_l2cap_send, 124 .pr_sockaddr = ng_btsocket_l2cap_sockaddr, 125 .pr_close = ng_btsocket_l2cap_close, 126 }; 127 128 /* Bluetooth STREAM RFCOMM sockets */ 129 static struct protosw ng_btsocket_rfcomm_protosw = { 130 .pr_type = SOCK_STREAM, 131 .pr_protocol = BLUETOOTH_PROTO_RFCOMM, 132 .pr_flags = PR_CONNREQUIRED, 133 .pr_ctloutput = ng_btsocket_rfcomm_ctloutput, 134 .pr_abort = ng_btsocket_rfcomm_abort, 135 .pr_accept = ng_btsocket_rfcomm_accept, 136 .pr_attach = ng_btsocket_rfcomm_attach, 137 .pr_bind = ng_btsocket_rfcomm_bind, 138 .pr_connect = ng_btsocket_rfcomm_connect, 139 .pr_control = ng_btsocket_rfcomm_control, 140 .pr_detach = ng_btsocket_rfcomm_detach, 141 .pr_disconnect = ng_btsocket_rfcomm_disconnect, 142 .pr_listen = ng_btsocket_rfcomm_listen, 143 .pr_peeraddr = ng_btsocket_rfcomm_peeraddr, 144 .pr_send = ng_btsocket_rfcomm_send, 145 .pr_sockaddr = ng_btsocket_rfcomm_sockaddr, 146 .pr_close = ng_btsocket_rfcomm_close, 147 }; 148 149 /* Bluetooth SEQPACKET SCO sockets */ 150 static struct protosw ng_btsocket_sco_protosw = { 151 .pr_type = SOCK_SEQPACKET, 152 .pr_protocol = BLUETOOTH_PROTO_SCO, 153 .pr_flags = PR_ATOMIC|PR_CONNREQUIRED, 154 .pr_ctloutput = ng_btsocket_sco_ctloutput, 155 .pr_abort = ng_btsocket_sco_abort, 156 .pr_accept = ng_btsocket_sco_accept, 157 .pr_attach = ng_btsocket_sco_attach, 158 .pr_bind = ng_btsocket_sco_bind, 159 .pr_connect = ng_btsocket_sco_connect, 160 .pr_control = ng_btsocket_sco_control, 161 .pr_detach = ng_btsocket_sco_detach, 162 .pr_disconnect = ng_btsocket_sco_disconnect, 163 .pr_listen = ng_btsocket_sco_listen, 164 .pr_peeraddr = ng_btsocket_sco_peeraddr, 165 .pr_send = ng_btsocket_sco_send, 166 .pr_sockaddr = ng_btsocket_sco_sockaddr, 167 .pr_close = ng_btsocket_sco_close, 168 }; 169 170 /* 171 * BLUETOOTH domain 172 */ 173 174 static struct domain ng_btsocket_domain = { 175 .dom_family = AF_BLUETOOTH, 176 .dom_name = "bluetooth", 177 .dom_nprotosw = 5, 178 .dom_protosw = { 179 &ng_btsocket_hci_raw_protosw, 180 &ng_btsocket_l2cap_raw_protosw, 181 &ng_btsocket_l2cap_protosw, 182 &ng_btsocket_rfcomm_protosw, 183 &ng_btsocket_sco_protosw, 184 }, 185 }; 186 187 /* 188 * Socket sysctl tree 189 */ 190 191 SYSCTL_NODE(_net_bluetooth_hci, OID_AUTO, sockets, 192 CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 193 "Bluetooth HCI sockets family"); 194 SYSCTL_NODE(_net_bluetooth_l2cap, OID_AUTO, sockets, 195 CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 196 "Bluetooth L2CAP sockets family"); 197 SYSCTL_NODE(_net_bluetooth_rfcomm, OID_AUTO, sockets, 198 CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 199 "Bluetooth RFCOMM sockets family"); 200 SYSCTL_NODE(_net_bluetooth_sco, OID_AUTO, sockets, 201 CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 202 "Bluetooth SCO sockets family"); 203 204 /* 205 * Module 206 */ 207 208 static moduledata_t ng_btsocket_mod = { 209 "ng_btsocket", 210 ng_btsocket_modevent, 211 NULL 212 }; 213 214 DECLARE_MODULE(ng_btsocket, ng_btsocket_mod, SI_SUB_PROTO_DOMAIN, 215 SI_ORDER_ANY); 216 MODULE_VERSION(ng_btsocket, NG_BLUETOOTH_VERSION); 217 MODULE_DEPEND(ng_btsocket, ng_bluetooth, NG_BLUETOOTH_VERSION, 218 NG_BLUETOOTH_VERSION, NG_BLUETOOTH_VERSION); 219 MODULE_DEPEND(ng_btsocket, netgraph, NG_ABI_VERSION, 220 NG_ABI_VERSION, NG_ABI_VERSION); 221 222 /* 223 * Handle loading and unloading for this node type. 224 * This is to handle auxiliary linkages (e.g protocol domain addition). 225 */ 226 227 static int 228 ng_btsocket_modevent(module_t mod, int event, void *data) 229 { 230 int error = 0; 231 232 switch (event) { 233 case MOD_LOAD: 234 break; 235 236 case MOD_UNLOAD: 237 /* XXX can't unload protocol domain yet */ 238 error = EBUSY; 239 break; 240 241 default: 242 error = EOPNOTSUPP; 243 break; 244 } 245 246 return (error); 247 } /* ng_btsocket_modevent */ 248 249 DOMAIN_SET(ng_btsocket_); 250