1 /* $OpenBSD: bt_proto.c,v 1.4 2007/06/24 20:55:27 uwe Exp $ */ 2 /* $DragonFly: src/sys/netbt/bt_proto.c,v 1.1 2007/12/30 20:02:56 hasso 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 #include <net/pf/pfvar.h> 33 34 #include <netbt/bluetooth.h> 35 #include <netbt/hci.h> 36 #include <netbt/l2cap.h> 37 #include <netbt/rfcomm.h> 38 #include <netbt/sco.h> 39 40 MALLOC_DEFINE(M_BLUETOOTH, "Bluetooth", "Bluetooth system memory"); 41 42 extern struct pr_usrreqs hci_usrreqs; 43 44 static int 45 netbt_modevent(module_t mod, int type, void *data) 46 { 47 switch (type) { 48 case MOD_LOAD: 49 break; 50 case MOD_UNLOAD: 51 return EBUSY; 52 break; 53 default: 54 break; 55 } 56 return 0; 57 } 58 59 static moduledata_t netbt_mod = { 60 "netbt", 61 netbt_modevent, 62 NULL 63 }; 64 65 DECLARE_MODULE(netbt, netbt_mod, SI_SUB_EXEC, SI_ORDER_ANY); 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_mport = cpu0_soport, 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_mport = cpu0_soport, 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_mport = cpu0_soport, 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_mport = cpu0_soport, 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 ZONE_DESTROY(l2cap_pdu_pool); 141 ZONE_DESTROY(l2cap_req_pool); 142 ZONE_DESTROY(rfcomm_credit_pool); 143 } 144 145 static void 146 netbt_init(void) 147 { 148 int error = 1; 149 do { 150 ZONE_CREATE(l2cap_pdu_pool, struct l2cap_pdu, "l2cap_pdu"); 151 ZONE_CREATE(l2cap_req_pool, struct l2cap_req, "l2cap_req"); 152 ZONE_CREATE(rfcomm_credit_pool, struct rfcomm_credit, 153 "rfcomm_credit"); 154 error = 0; 155 } while(0); 156 157 if (error) { 158 netbt_dispose(NULL); 159 panic("Can't create vm_zones"); 160 } 161 } 162 163 struct domain btdomain = { 164 .dom_family = AF_BLUETOOTH, 165 .dom_name = "bluetooth", 166 .dom_init = netbt_init, 167 .dom_externalize = NULL, 168 .dom_dispose = netbt_dispose, 169 .dom_protosw = btsw, 170 .dom_protoswNPROTOSW = &btsw[sizeof(btsw)/sizeof(btsw[0])], 171 .dom_next = SLIST_ENTRY_INITIALIZER, 172 .dom_rtattach = 0, 173 .dom_rtoffset = 32, 174 .dom_maxrtkey = sizeof(struct sockaddr_bt), 175 .dom_ifattach = 0, 176 .dom_ifdetach = 0, 177 }; 178 179 DOMAIN_SET(bt); 180 SYSCTL_NODE(_net, PF_BLUETOOTH, bt, CTLFLAG_RW, 0, "Bluetooth protocol"); 181 SYSCTL_NODE(_net_bt, BTPROTO_HCI, hci_unit, CTLFLAG_RW, 0, 182 "Bluetooth HCI protocol"); 183 184 static void 185 netisr_netbt_setup(void *dummy __unused) 186 { 187 netisr_register(NETISR_BLUETOOTH, cpu0_portfn, btintr); 188 } 189 190 SYSINIT(netbt_setup, SI_BOOT2_KLD, SI_ORDER_ANY, netisr_netbt_setup, NULL); 191