ng_btsocket.c revision 114878
1107120Sjulian/* 2107120Sjulian * ng_btsocket.c 3107120Sjulian * 4107120Sjulian * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com> 5107120Sjulian * All rights reserved. 6107120Sjulian * 7107120Sjulian * Redistribution and use in source and binary forms, with or without 8107120Sjulian * modification, are permitted provided that the following conditions 9107120Sjulian * are met: 10107120Sjulian * 1. Redistributions of source code must retain the above copyright 11107120Sjulian * notice, this list of conditions and the following disclaimer. 12107120Sjulian * 2. Redistributions in binary form must reproduce the above copyright 13107120Sjulian * notice, this list of conditions and the following disclaimer in the 14107120Sjulian * documentation and/or other materials provided with the distribution. 15107120Sjulian * 16107120Sjulian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17107120Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18107120Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19107120Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20107120Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21107120Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22107120Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23107120Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24107120Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25107120Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26107120Sjulian * SUCH DAMAGE. 27107120Sjulian * 28114878Sjulian * $Id: ng_btsocket.c,v 1.3 2003/01/19 00:19:04 max Exp $ 29107120Sjulian * $FreeBSD: head/sys/netgraph/bluetooth/socket/ng_btsocket.c 114878 2003-05-10 21:44:42Z julian $ 30107120Sjulian */ 31107120Sjulian 32107120Sjulian#include <sys/param.h> 33107120Sjulian#include <sys/systm.h> 34107120Sjulian#include <sys/errno.h> 35107120Sjulian#include <sys/domain.h> 36107120Sjulian#include <sys/kernel.h> 37107120Sjulian#include <sys/lock.h> 38107120Sjulian#include <sys/mutex.h> 39107120Sjulian#include <sys/protosw.h> 40107120Sjulian#include <sys/socket.h> 41107120Sjulian#include <sys/socketvar.h> 42107120Sjulian#include <sys/sysctl.h> 43114878Sjulian#include <sys/taskqueue.h> 44107120Sjulian#include <bitstring.h> 45107120Sjulian#include <netgraph/ng_message.h> 46107120Sjulian#include <netgraph/netgraph.h> 47107120Sjulian#include "ng_bluetooth.h" 48107120Sjulian#include "ng_hci.h" 49107120Sjulian#include "ng_l2cap.h" 50107120Sjulian#include "ng_btsocket.h" 51107120Sjulian#include "ng_btsocket_hci_raw.h" 52107120Sjulian#include "ng_btsocket_l2cap.h" 53114878Sjulian#include "ng_btsocket_rfcomm.h" 54107120Sjulian 55107120Sjulianstatic int ng_btsocket_modevent (module_t, int, void *); 56107120Sjulianextern struct domain ng_btsocket_domain; 57107120Sjulian 58107120Sjulian/* 59107120Sjulian * Bluetooth raw HCI sockets 60107120Sjulian */ 61107120Sjulian 62107120Sjulianstatic struct pr_usrreqs ng_btsocket_hci_raw_usrreqs = { 63107120Sjulian ng_btsocket_hci_raw_abort, /* abort */ 64107120Sjulian pru_accept_notsupp, /* accept */ 65107120Sjulian ng_btsocket_hci_raw_attach, /* attach */ 66107120Sjulian ng_btsocket_hci_raw_bind, /* bind */ 67107120Sjulian ng_btsocket_hci_raw_connect, /* connect */ 68107120Sjulian pru_connect2_notsupp, /* connect2 */ 69107120Sjulian ng_btsocket_hci_raw_control, /* control */ 70107120Sjulian ng_btsocket_hci_raw_detach, /* detach */ 71107120Sjulian ng_btsocket_hci_raw_disconnect, /* disconnect */ 72107120Sjulian pru_listen_notsupp, /* listen */ 73107120Sjulian ng_btsocket_hci_raw_peeraddr, /* peeraddr */ 74107120Sjulian pru_rcvd_notsupp, /* rcvd */ 75107120Sjulian pru_rcvoob_notsupp, /* rcvoob */ 76107120Sjulian ng_btsocket_hci_raw_send, /* send */ 77107120Sjulian pru_sense_null, /* send */ 78107120Sjulian NULL, /* shutdown */ 79107120Sjulian ng_btsocket_hci_raw_sockaddr, /* sockaddr */ 80107120Sjulian sosend, 81107120Sjulian soreceive, 82107120Sjulian sopoll 83107120Sjulian}; 84107120Sjulian 85107120Sjulian/* 86107120Sjulian * Bluetooth raw L2CAP sockets 87107120Sjulian */ 88107120Sjulian 89107120Sjulianstatic struct pr_usrreqs ng_btsocket_l2cap_raw_usrreqs = { 90107120Sjulian ng_btsocket_l2cap_raw_abort, /* abort */ 91107120Sjulian pru_accept_notsupp, /* accept */ 92107120Sjulian ng_btsocket_l2cap_raw_attach, /* attach */ 93107120Sjulian ng_btsocket_l2cap_raw_bind, /* bind */ 94107120Sjulian ng_btsocket_l2cap_raw_connect, /* connect */ 95107120Sjulian pru_connect2_notsupp, /* connect2 */ 96107120Sjulian ng_btsocket_l2cap_raw_control, /* control */ 97107120Sjulian ng_btsocket_l2cap_raw_detach, /* detach */ 98107120Sjulian ng_btsocket_l2cap_raw_disconnect, /* disconnect */ 99107120Sjulian pru_listen_notsupp, /* listen */ 100107120Sjulian ng_btsocket_l2cap_raw_peeraddr, /* peeraddr */ 101107120Sjulian pru_rcvd_notsupp, /* rcvd */ 102107120Sjulian pru_rcvoob_notsupp, /* rcvoob */ 103107120Sjulian ng_btsocket_l2cap_raw_send, /* send */ 104107120Sjulian pru_sense_null, /* send */ 105107120Sjulian NULL, /* shutdown */ 106107120Sjulian ng_btsocket_l2cap_raw_sockaddr, /* sockaddr */ 107107120Sjulian sosend, 108107120Sjulian soreceive, 109107120Sjulian sopoll 110107120Sjulian}; 111107120Sjulian 112107120Sjulian/* 113107120Sjulian * Bluetooth SEQPACKET L2CAP sockets 114107120Sjulian */ 115107120Sjulian 116107120Sjulianstatic struct pr_usrreqs ng_btsocket_l2cap_usrreqs = { 117107120Sjulian ng_btsocket_l2cap_abort, /* abort */ 118107120Sjulian ng_btsocket_l2cap_accept, /* accept */ 119107120Sjulian ng_btsocket_l2cap_attach, /* attach */ 120107120Sjulian ng_btsocket_l2cap_bind, /* bind */ 121107120Sjulian ng_btsocket_l2cap_connect, /* connect */ 122107120Sjulian pru_connect2_notsupp, /* connect2 */ 123107120Sjulian ng_btsocket_l2cap_control, /* control */ 124107120Sjulian ng_btsocket_l2cap_detach, /* detach */ 125107120Sjulian ng_btsocket_l2cap_disconnect, /* disconnect */ 126107120Sjulian ng_btsocket_l2cap_listen, /* listen */ 127107120Sjulian ng_btsocket_l2cap_peeraddr, /* peeraddr */ 128107120Sjulian pru_rcvd_notsupp, /* rcvd */ 129107120Sjulian pru_rcvoob_notsupp, /* rcvoob */ 130107120Sjulian ng_btsocket_l2cap_send, /* send */ 131107120Sjulian pru_sense_null, /* send */ 132107120Sjulian NULL, /* shutdown */ 133107120Sjulian ng_btsocket_l2cap_sockaddr, /* sockaddr */ 134107120Sjulian sosend, 135107120Sjulian soreceive, 136107120Sjulian sopoll 137107120Sjulian}; 138107120Sjulian 139114878Sjulian/* 140114878Sjulian * Bluetooth STREAM RFCOMM sockets 141114878Sjulian */ 142114878Sjulian 143114878Sjulianstatic struct pr_usrreqs ng_btsocket_rfcomm_usrreqs = { 144114878Sjulian ng_btsocket_rfcomm_abort, /* abort */ 145114878Sjulian ng_btsocket_rfcomm_accept, /* accept */ 146114878Sjulian ng_btsocket_rfcomm_attach, /* attach */ 147114878Sjulian ng_btsocket_rfcomm_bind, /* bind */ 148114878Sjulian ng_btsocket_rfcomm_connect, /* connect */ 149114878Sjulian pru_connect2_notsupp, /* connect2 */ 150114878Sjulian ng_btsocket_rfcomm_control, /* control */ 151114878Sjulian ng_btsocket_rfcomm_detach, /* detach */ 152114878Sjulian ng_btsocket_rfcomm_disconnect, /* disconnect */ 153114878Sjulian ng_btsocket_rfcomm_listen, /* listen */ 154114878Sjulian ng_btsocket_rfcomm_peeraddr, /* peeraddr */ 155114878Sjulian pru_rcvd_notsupp, /* rcvd */ 156114878Sjulian pru_rcvoob_notsupp, /* rcvoob */ 157114878Sjulian ng_btsocket_rfcomm_send, /* send */ 158114878Sjulian pru_sense_null, /* send */ 159114878Sjulian NULL, /* shutdown */ 160114878Sjulian ng_btsocket_rfcomm_sockaddr, /* sockaddr */ 161114878Sjulian sosend, 162114878Sjulian soreceive, 163114878Sjulian sopoll 164114878Sjulian}; 165114878Sjulian 166107120Sjulian/* 167107120Sjulian * Definitions of protocols supported in the BLUETOOTH domain 168107120Sjulian */ 169107120Sjulian 170107120Sjulianstatic struct protosw ng_btsocket_protosw[] = { 171107120Sjulian{ 172107120Sjulian SOCK_RAW, /* protocol type */ 173107120Sjulian &ng_btsocket_domain, /* backpointer to domain */ 174107120Sjulian BLUETOOTH_PROTO_HCI, /* protocol */ 175107120Sjulian PR_ATOMIC | PR_ADDR, /* flags */ 176107120Sjulian NULL, NULL, NULL, /* input, output, ctlinput */ 177107120Sjulian ng_btsocket_hci_raw_ctloutput, /* ctloutput */ 178107120Sjulian NULL, /* ousrreq() */ 179107120Sjulian ng_btsocket_hci_raw_init, /* init */ 180107120Sjulian NULL, NULL, NULL, /* fasttimeo, slowtimo, drain */ 181107120Sjulian &ng_btsocket_hci_raw_usrreqs, /* usrreq table (above) */ 182107120Sjulian /* { NULL } */ /* pfh (protocol filter head?) */ 183107120Sjulian}, 184107120Sjulian{ 185107120Sjulian SOCK_RAW, /* protocol type */ 186107120Sjulian &ng_btsocket_domain, /* backpointer to domain */ 187107120Sjulian BLUETOOTH_PROTO_L2CAP, /* protocol */ 188107120Sjulian PR_ATOMIC | PR_ADDR, /* flags */ 189107120Sjulian NULL, NULL, NULL, /* input, output, ctlinput */ 190107120Sjulian NULL, /* ctloutput */ 191107120Sjulian NULL, /* ousrreq() */ 192107120Sjulian ng_btsocket_l2cap_raw_init, /* init */ 193107120Sjulian NULL, NULL, NULL, /* fasttimeo, slowtimo, drain */ 194107120Sjulian &ng_btsocket_l2cap_raw_usrreqs, /* usrreq table (above) */ 195107120Sjulian /* { NULL } */ /* pfh (protocol filter head?) */ 196107120Sjulian}, 197107120Sjulian{ 198107120Sjulian SOCK_SEQPACKET, /* protocol type */ 199107120Sjulian &ng_btsocket_domain, /* backpointer to domain */ 200107120Sjulian BLUETOOTH_PROTO_L2CAP, /* protocol */ 201107120Sjulian PR_ATOMIC | PR_CONNREQUIRED, /* flags */ 202107120Sjulian NULL, NULL, NULL, /* input, output, ctlinput */ 203107120Sjulian ng_btsocket_l2cap_ctloutput, /* ctloutput */ 204107120Sjulian NULL, /* ousrreq() */ 205107120Sjulian ng_btsocket_l2cap_init, /* init */ 206107120Sjulian NULL, NULL, NULL, /* fasttimeo, slowtimo, drain */ 207107120Sjulian &ng_btsocket_l2cap_usrreqs, /* usrreq table (above) */ 208107120Sjulian /* { NULL } */ /* pfh (protocol filter head?) */ 209114878Sjulian}, 210114878Sjulian{ 211114878Sjulian SOCK_STREAM, /* protocol type */ 212114878Sjulian &ng_btsocket_domain, /* backpointer to domain */ 213114878Sjulian BLUETOOTH_PROTO_RFCOMM, /* protocol */ 214114878Sjulian PR_ATOMIC | PR_CONNREQUIRED, /* flags */ 215114878Sjulian NULL, NULL, NULL, /* input, output, ctlinput */ 216114878Sjulian ng_btsocket_rfcomm_ctloutput, /* ctloutput */ 217114878Sjulian NULL, /* ousrreq() */ 218114878Sjulian ng_btsocket_rfcomm_init, /* init */ 219114878Sjulian NULL, NULL, NULL, /* fasttimeo, slowtimo, drain */ 220114878Sjulian &ng_btsocket_rfcomm_usrreqs, /* usrreq table (above) */ 221114878Sjulian /* { NULL } */ /* pfh (protocol filter head?) */ 222107120Sjulian} 223107120Sjulian}; 224107120Sjulian#define ng_btsocket_protosw_size \ 225107120Sjulian (sizeof(ng_btsocket_protosw)/sizeof(ng_btsocket_protosw[0])) 226107120Sjulian#define ng_btsocket_protosw_end \ 227107120Sjulian &ng_btsocket_protosw[ng_btsocket_protosw_size] 228107120Sjulian 229107120Sjulian/* 230107120Sjulian * BLUETOOTH domain 231107120Sjulian */ 232107120Sjulian 233107120Sjulianstruct domain ng_btsocket_domain = { 234107120Sjulian AF_BLUETOOTH, /* family */ 235107120Sjulian "bluetooth", /* domain name */ 236107120Sjulian NULL, /* init() */ 237107120Sjulian NULL, /* externalize() */ 238107120Sjulian NULL, /* dispose() */ 239107120Sjulian ng_btsocket_protosw, /* protosw entry */ 240107120Sjulian ng_btsocket_protosw_end, /* end of protosw entries */ 241107120Sjulian NULL, /* next domain in list */ 242107120Sjulian NULL, /* rtattach() */ 243107120Sjulian 0, /* arg to rtattach in bits */ 244107120Sjulian 0 /* maxrtkey */ 245107120Sjulian}; 246107120Sjulian 247107120Sjulian/* 248107120Sjulian * Socket sysctl tree 249107120Sjulian */ 250107120Sjulian 251107120SjulianSYSCTL_NODE(_net_bluetooth_hci, OID_AUTO, sockets, CTLFLAG_RW, 252107120Sjulian 0, "Bluetooth HCI sockets family"); 253107120SjulianSYSCTL_NODE(_net_bluetooth_l2cap, OID_AUTO, sockets, CTLFLAG_RW, 254107120Sjulian 0, "Bluetooth L2CAP sockets family"); 255114878SjulianSYSCTL_NODE(_net_bluetooth_rfcomm, OID_AUTO, sockets, CTLFLAG_RW, 256114878Sjulian 0, "Bluetooth RFCOMM sockets family"); 257107120Sjulian 258107120Sjulian/* 259107120Sjulian * Module 260107120Sjulian */ 261107120Sjulian 262107120Sjulianstatic moduledata_t ng_btsocket_mod = { 263107120Sjulian "ng_btsocket", 264107120Sjulian ng_btsocket_modevent, 265107120Sjulian NULL 266107120Sjulian}; 267107120Sjulian 268107120SjulianDECLARE_MODULE(ng_btsocket, ng_btsocket_mod, SI_SUB_PSEUDO, SI_ORDER_ANY); 269107120SjulianMODULE_VERSION(ng_btsocket, NG_BLUETOOTH_VERSION); 270107120SjulianMODULE_DEPEND(ng_btsocket, ng_bluetooth, NG_BLUETOOTH_VERSION, 271107120Sjulian NG_BLUETOOTH_VERSION, NG_BLUETOOTH_VERSION); 272107120SjulianMODULE_DEPEND(ng_btsocket, netgraph, NG_ABI_VERSION, 273107120Sjulian NG_ABI_VERSION, NG_ABI_VERSION); 274107120Sjulian 275107120Sjulian/* 276107120Sjulian * Handle loading and unloading for this node type. 277107120Sjulian * This is to handle auxiliary linkages (e.g protocol domain addition). 278107120Sjulian */ 279107120Sjulian 280107120Sjulianstatic int 281107120Sjulianng_btsocket_modevent(module_t mod, int event, void *data) 282107120Sjulian{ 283107120Sjulian int error = 0; 284107120Sjulian 285107120Sjulian switch (event) { 286107120Sjulian case MOD_LOAD: 287107120Sjulian net_add_domain(&ng_btsocket_domain); 288107120Sjulian break; 289107120Sjulian 290107120Sjulian case MOD_UNLOAD: 291107120Sjulian /* XXX can't unload protocol domain yet */ 292107120Sjulian error = EBUSY; 293107120Sjulian break; 294107120Sjulian 295107120Sjulian default: 296107120Sjulian error = EOPNOTSUPP; 297107120Sjulian break; 298107120Sjulian } 299107120Sjulian 300107120Sjulian return (error); 301107120Sjulian} /* ng_btsocket_modevent */ 302107120Sjulian 303