135 lines
3.9 KiB
C
135 lines
3.9 KiB
C
/* $NetBSD: bt_proto.c,v 1.17 2023/08/07 13:31:54 riastradh Exp $ */
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/*-
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* Copyright (c) 2005 Iain Hibbert.
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* Copyright (c) 2006 Itronix Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of Itronix Inc. may not be used to endorse
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* or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: bt_proto.c,v 1.17 2023/08/07 13:31:54 riastradh Exp $");
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#include <sys/param.h>
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#include <sys/domain.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <net/route.h>
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#include <netbt/bluetooth.h>
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#include <netbt/hci.h>
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#include <netbt/l2cap.h>
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#include <netbt/rfcomm.h>
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#include <netbt/sco.h>
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DOMAIN_DEFINE(btdomain); /* forward declare and add to link set */
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static void bt_init(void);
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PR_WRAP_CTLOUTPUT(hci_ctloutput)
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PR_WRAP_CTLOUTPUT(sco_ctloutput)
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PR_WRAP_CTLOUTPUT(l2cap_ctloutput)
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PR_WRAP_CTLOUTPUT(rfcomm_ctloutput)
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#define hci_ctloutput hci_ctloutput_wrapper
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#define sco_ctloutput sco_ctloutput_wrapper
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#define l2cap_ctloutput l2cap_ctloutput_wrapper
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#define rfcomm_ctloutput rfcomm_ctloutput_wrapper
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static const struct protosw btsw[] = {
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{ /* raw HCI commands */
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.pr_type = SOCK_RAW,
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.pr_domain = &btdomain,
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.pr_protocol = BTPROTO_HCI,
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.pr_flags = (PR_ADDR | PR_ATOMIC),
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.pr_init = hci_init,
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.pr_ctloutput = hci_ctloutput,
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.pr_usrreqs = &hci_usrreqs,
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},
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{ /* HCI SCO data (audio) */
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.pr_type = SOCK_SEQPACKET,
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.pr_domain = &btdomain,
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.pr_protocol = BTPROTO_SCO,
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.pr_flags = (PR_CONNREQUIRED | PR_ATOMIC | PR_LISTEN),
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.pr_ctloutput = sco_ctloutput,
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.pr_usrreqs = &sco_usrreqs,
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},
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{ /* L2CAP Connection Oriented */
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.pr_type = SOCK_SEQPACKET,
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.pr_domain = &btdomain,
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.pr_protocol = BTPROTO_L2CAP,
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.pr_flags = (PR_CONNREQUIRED | PR_ATOMIC | PR_LISTEN),
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.pr_ctloutput = l2cap_ctloutput,
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.pr_usrreqs = &l2cap_usrreqs,
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.pr_init = l2cap_init,
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},
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{ /* RFCOMM */
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.pr_type = SOCK_STREAM,
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.pr_domain = &btdomain,
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.pr_protocol = BTPROTO_RFCOMM,
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.pr_flags = (PR_CONNREQUIRED | PR_LISTEN | PR_WANTRCVD),
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.pr_ctloutput = rfcomm_ctloutput,
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.pr_usrreqs = &rfcomm_usrreqs,
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.pr_init = rfcomm_init,
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},
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};
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struct domain btdomain = {
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.dom_family = AF_BLUETOOTH,
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.dom_name = "bluetooth",
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.dom_init = bt_init,
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.dom_protosw = btsw,
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.dom_protoswNPROTOSW = &btsw[__arraycount(btsw)],
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};
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kmutex_t *bt_lock;
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static void
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bt_init(void)
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{
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}
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MODULE(MODULE_CLASS_DRIVER, netbt, NULL);
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static int
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netbt_modcmd(modcmd_t cmd, void *aux)
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{
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switch (cmd) {
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case MODULE_CMD_INIT:
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bt_lock = mutex_obj_alloc(MUTEX_DEFAULT, IPL_NONE);
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return 0;
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case MODULE_CMD_FINI:
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return EBUSY; /* XXX */
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default:
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return ENOTTY;
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}
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}
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