sys/netbt/bt_proto.c

   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);