1 /* $DragonFly: src/sys/netbt/bt_proto.c,v 1.7 2008/11/01 04:22:15 sephe Exp $ */ 2 /* $OpenBSD: bt_proto.c,v 1.4 2007/06/24 20:55:27 uwe Exp $ */ 3 4 /* 5 * Copyright (c) 2004 Alexander Yurchenko <grange@openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <sys/param.h> 21 #include <sys/domain.h> 22 #include <sys/protosw.h> 23 #include <sys/socket.h> 24 #include <sys/socketvar.h> 25 #include <sys/queue.h> 26 #include <sys/kernel.h> 27 #include <sys/mbuf.h> 28 #include <sys/sysctl.h> 29 #include <sys/bus.h> 30 #include <sys/malloc.h> 31 #include <net/if.h> 32 33 #include <netbt/bluetooth.h> 34 #include <netbt/hci.h> 35 #include <netbt/l2cap.h> 36 #include <netbt/rfcomm.h> 37 #include <netbt/sco.h> 38 39 MALLOC_DEFINE(M_BLUETOOTH, "Bluetooth", "Bluetooth system memory"); 40 41 extern struct pr_usrreqs hci_usrreqs; 42 43 static int 44 netbt_modevent(module_t mod, int type, void *data) 45 { 46 switch (type) { 47 case MOD_LOAD: 48 break; 49 case MOD_UNLOAD: 50 return EBUSY; 51 break; 52 default: 53 break; 54 } 55 return 0; 56 } 57 58 static moduledata_t netbt_mod = { 59 "netbt", 60 netbt_modevent, 61 NULL 62 }; 63 64 DECLARE_MODULE(netbt, netbt_mod, SI_SUB_EXEC, SI_ORDER_ANY); 65 MODULE_VERSION(netbt, 1); 66 67 struct domain btdomain; 68 69 struct protosw btsw[] = { 70 { /* raw HCI commands */ 71 .pr_type = SOCK_RAW, 72 .pr_domain = &btdomain, 73 .pr_protocol = BTPROTO_HCI, 74 .pr_flags = (PR_ADDR | PR_ATOMIC), 75 .pr_input = 0, 76 .pr_output = 0, 77 .pr_ctlinput = 0, 78 .pr_ctloutput = hci_ctloutput, 79 .pr_ctlport = NULL, 80 .pr_init = 0, 81 .pr_fasttimo = 0, 82 .pr_slowtimo = 0, 83 .pr_drain = 0, 84 .pr_usrreqs = &hci_usrreqs 85 }, 86 { /* HCI SCO data (audio) */ 87 .pr_type = SOCK_SEQPACKET, 88 .pr_domain = &btdomain, 89 .pr_protocol = BTPROTO_SCO, 90 .pr_flags = (PR_CONNREQUIRED | PR_ATOMIC ), 91 .pr_input = 0, 92 .pr_output = 0, 93 .pr_ctlinput = 0, 94 .pr_ctloutput = sco_ctloutput, 95 .pr_ctlport = NULL, 96 .pr_init = 0, 97 .pr_fasttimo = 0, 98 .pr_slowtimo = 0, 99 .pr_drain = 0, 100 .pr_usrreqs = &sco_usrreqs 101 102 }, 103 { /* L2CAP Connection Oriented */ 104 .pr_type = SOCK_SEQPACKET, 105 .pr_domain = &btdomain, 106 .pr_protocol = BTPROTO_L2CAP, 107 .pr_flags = (PR_CONNREQUIRED | PR_ATOMIC ), 108 .pr_input = 0, 109 .pr_output = 0, 110 .pr_ctlinput = 0, 111 .pr_ctloutput = l2cap_ctloutput, 112 .pr_ctlport = NULL, 113 .pr_init = 0, 114 .pr_fasttimo = 0, 115 .pr_slowtimo = 0, 116 .pr_drain = 0, 117 .pr_usrreqs = &l2cap_usrreqs 118 }, 119 { /* RFCOMM */ 120 .pr_type = SOCK_STREAM, 121 .pr_domain = &btdomain, 122 .pr_protocol = BTPROTO_RFCOMM, 123 .pr_flags = (PR_CONNREQUIRED | PR_WANTRCVD), 124 .pr_input = 0, 125 .pr_output = 0, 126 .pr_ctlinput = 0, 127 .pr_ctloutput = rfcomm_ctloutput, 128 .pr_ctlport = NULL, 129 .pr_init = 0, 130 .pr_fasttimo = 0, 131 .pr_slowtimo = 0, 132 .pr_drain = 0, 133 .pr_usrreqs = &rfcomm_usrreqs 134 }, 135 }; 136 137 static void 138 netbt_dispose(struct mbuf* m) 139 { 140 zdestroy(l2cap_pdu_pool); 141 zdestroy(l2cap_req_pool); 142 zdestroy(rfcomm_credit_pool); 143 } 144 145 static void 146 netbt_init(void) 147 { 148 l2cap_pdu_pool = zinit("l2cap_pdu", sizeof(struct l2cap_pdu), 1, 149 ZONE_DESTROYABLE, 1); 150 if (l2cap_pdu_pool == NULL) 151 goto fail; 152 l2cap_req_pool = zinit("l2cap_req", sizeof(struct l2cap_req), 1, 153 ZONE_DESTROYABLE, 1); 154 if (l2cap_req_pool == NULL) 155 goto fail; 156 rfcomm_credit_pool = zinit("rfcomm_credit", 157 sizeof(struct rfcomm_credit), 1, ZONE_DESTROYABLE, 1); 158 if (rfcomm_credit_pool == NULL) 159 goto fail; 160 return; 161 fail: 162 netbt_dispose(NULL); 163 panic("Can't create vm_zones"); 164 } 165 166 struct domain btdomain = { 167 .dom_family = AF_BLUETOOTH, 168 .dom_name = "bluetooth", 169 .dom_init = netbt_init, 170 .dom_externalize = NULL, 171 .dom_dispose = netbt_dispose, 172 .dom_protosw = btsw, 173 .dom_protoswNPROTOSW = &btsw[sizeof(btsw)/sizeof(btsw[0])], 174 .dom_next = SLIST_ENTRY_INITIALIZER, 175 .dom_rtattach = 0, 176 .dom_rtoffset = 32, 177 .dom_maxrtkey = sizeof(struct sockaddr_bt), 178 .dom_ifattach = 0, 179 .dom_ifdetach = 0, 180 }; 181 182 DOMAIN_SET(bt); 183 SYSCTL_NODE(_net, OID_AUTO, bluetooth, CTLFLAG_RD, 0, 184 "Bluetooth Protocol Family"); 185 186 /* HCI sysctls */ 187 SYSCTL_NODE(_net_bluetooth, OID_AUTO, hci, CTLFLAG_RD, 0, 188 "Host Controller Interface"); 189 SYSCTL_INT(_net_bluetooth_hci, OID_AUTO, sendspace, CTLFLAG_RW, &hci_sendspace, 190 0, "Socket Send Buffer Size"); 191 SYSCTL_INT(_net_bluetooth_hci, OID_AUTO, recvspace, CTLFLAG_RW, &hci_recvspace, 192 0, "Socket Receive Buffer Size"); 193 SYSCTL_INT(_net_bluetooth_hci, OID_AUTO, acl_expiry, CTLFLAG_RW, 194 &hci_acl_expiry, 0, "ACL Connection Expiry Time"); 195 SYSCTL_INT(_net_bluetooth_hci, OID_AUTO, memo_expiry, CTLFLAG_RW, 196 &hci_memo_expiry, 0, "Memo Expiry Time"); 197 SYSCTL_INT(_net_bluetooth_hci, OID_AUTO, eventq_max, CTLFLAG_RW, 198 &hci_eventq_max, 0, "Max Event queue length"); 199 SYSCTL_INT(_net_bluetooth_hci, OID_AUTO, aclrxq_max, CTLFLAG_RW, 200 &hci_aclrxq_max, 0, "Max ACL rx queue length"); 201 SYSCTL_INT(_net_bluetooth_hci, OID_AUTO, scorxq_max, CTLFLAG_RW, 202 &hci_scorxq_max, 0, "Max SCO rx queue length"); 203 204 /* L2CAP sysctls */ 205 SYSCTL_NODE(_net_bluetooth, OID_AUTO, l2cap, CTLFLAG_RD, 0, 206 "Logical Link Control & Adaptation Protocol"); 207 SYSCTL_INT(_net_bluetooth_l2cap, OID_AUTO, sendspace, CTLFLAG_RW, 208 &l2cap_sendspace, 0, "Socket Send Buffer Size"); 209 SYSCTL_INT(_net_bluetooth_l2cap, OID_AUTO, recvspace, CTLFLAG_RW, 210 &l2cap_recvspace, 0, "Socket Receive Buffer Size"); 211 SYSCTL_INT(_net_bluetooth_l2cap, OID_AUTO, rtx, CTLFLAG_RW, 212 &l2cap_response_timeout, 0, "Response Timeout"); 213 SYSCTL_INT(_net_bluetooth_l2cap, OID_AUTO, ertx, CTLFLAG_RW, 214 &l2cap_response_extended_timeout, 0, "Extended Response Timeout"); 215 216 /* RFCOMM sysctls */ 217 SYSCTL_NODE(_net_bluetooth, OID_AUTO, rfcomm, CTLFLAG_RD, 0, 218 "Serial Cable Emulation"); 219 SYSCTL_INT(_net_bluetooth_rfcomm, OID_AUTO, sendspace, CTLFLAG_RW, 220 &rfcomm_sendspace, 0, "Socket Send Buffer Size"); 221 SYSCTL_INT(_net_bluetooth_rfcomm, OID_AUTO, recvspace, CTLFLAG_RW, 222 &rfcomm_recvspace, 0, "Socket Receive Buffer Size"); 223 SYSCTL_INT(_net_bluetooth_rfcomm, OID_AUTO, mtu_default, CTLFLAG_RW, 224 &rfcomm_mtu_default, 0, "Default MTU"); 225 SYSCTL_INT(_net_bluetooth_rfcomm, OID_AUTO, ack_timeout, CTLFLAG_RW, 226 &rfcomm_ack_timeout, 0, "Acknowledgement Timer"); 227 SYSCTL_INT(_net_bluetooth_rfcomm, OID_AUTO, mcc_timeout, CTLFLAG_RW, 228 &rfcomm_mcc_timeout, 0, "Response Timeout for Multiplexer Control Channel"); 229 230 /* SCO sysctls */ 231 SYSCTL_NODE(_net_bluetooth, OID_AUTO, sco, CTLFLAG_RD, 0, "SCO data"); 232 SYSCTL_INT(_net_bluetooth_sco, OID_AUTO, sendspace, CTLFLAG_RW, &sco_sendspace, 233 0, "Socket Send Buffer Size"); 234 SYSCTL_INT(_net_bluetooth_sco, OID_AUTO, recvspace, CTLFLAG_RW, &sco_recvspace, 235 0, "Socket Receive Buffer Size"); 236 237 static void 238 netisr_netbt_setup(void *dummy __unused) 239 { 240 netisr_register(NETISR_BLUETOOTH, btintr, NULL); 241 } 242 243 SYSINIT(netbt_setup, SI_BOOT2_KLD, SI_ORDER_ANY, netisr_netbt_setup, NULL); 244