a5c89047c0
NetBSD Foundation Membership still pending.) This stack was written by Iain under sponsorship from Itronix Inc. The stack includes support for rfcomm networking (networking via your bluetooth enabled cell phone), hid devices (keyboards/mice), and headsets. Drivers for both PCMCIA and USB bluetooth controllers are included.
299 lines
8.2 KiB
C
299 lines
8.2 KiB
C
/* $NetBSD: hci_ioctl.c,v 1.1 2006/06/19 15:44:45 gdamore 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: hci_ioctl.c,v 1.1 2006/06/19 15:44:45 gdamore Exp $");
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#include <sys/param.h>
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#include <sys/domain.h>
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#include <sys/ioctl.h>
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#include <sys/kauth.h>
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#include <sys/kernel.h>
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#include <sys/mbuf.h>
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#include <sys/proc.h>
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#include <sys/systm.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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#ifdef BLUETOOTH_DEBUG
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#define BDADDR(bd) (bd).b[5], (bd).b[4], (bd).b[3], \
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(bd).b[2], (bd).b[1], (bd).b[0]
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static void
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hci_dump(void)
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{
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struct hci_unit *unit;
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struct hci_link *link;
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struct l2cap_channel *chan;
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struct rfcomm_session *rs;
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struct rfcomm_dlc *dlc;
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printf("HCI:\n");
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SIMPLEQ_FOREACH(unit, &hci_unit_list, hci_next) {
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printf("UNIT %s: flags 0x%4.4x, "
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"num_cmd=%d, num_acl=%d, num_sco=%d\n",
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unit->hci_devname, unit->hci_flags,
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unit->hci_num_cmd_pkts,
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unit->hci_num_acl_pkts,
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unit->hci_num_sco_pkts);
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TAILQ_FOREACH(link, &unit->hci_links, hl_next) {
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printf("+HANDLE #%d: %s "
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"raddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
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"state %d, refcnt %d\n",
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link->hl_handle,
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(link->hl_type == HCI_LINK_ACL ? "ACL":"SCO"),
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BDADDR(link->hl_bdaddr),
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link->hl_state, link->hl_refcnt);
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}
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}
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printf("L2CAP:\n");
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LIST_FOREACH(chan, &l2cap_active_list, lc_ncid) {
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printf("CID #%d state %d, psm=0x%4.4x, "
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"laddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
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"raddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
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chan->lc_lcid, chan->lc_state, chan->lc_raddr.bt_psm,
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BDADDR(chan->lc_laddr.bt_bdaddr),
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BDADDR(chan->lc_raddr.bt_bdaddr));
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}
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LIST_FOREACH(chan, &l2cap_listen_list, lc_ncid) {
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printf("LISTEN psm=0x%4.4x, "
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"laddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
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chan->lc_laddr.bt_psm,
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BDADDR(chan->lc_laddr.bt_bdaddr));
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}
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printf("RFCOMM:\n");
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LIST_FOREACH(rs, &rfcomm_session_active, rs_next) {
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chan = rs->rs_l2cap;
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printf("SESSION: state=%d, flags=0x%4.4x, psm 0x%4.4x "
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"laddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
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"raddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
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rs->rs_state, rs->rs_flags, chan->lc_raddr.bt_psm,
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BDADDR(chan->lc_laddr.bt_bdaddr),
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BDADDR(chan->lc_raddr.bt_bdaddr));
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LIST_FOREACH(dlc, &rs->rs_dlcs, rd_next) {
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printf("+DLC channel=%d, dlci=%d, "
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"state=%d, flags=0x%4.4x, rxcred=%d, rxsize=%d, "
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"txcred=%d, pending=%d, txqlen=%d\n",
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dlc->rd_raddr.bt_channel, dlc->rd_dlci,
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dlc->rd_state, dlc->rd_flags,
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dlc->rd_rxcred, dlc->rd_rxsize,
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dlc->rd_txcred, dlc->rd_pending,
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(dlc->rd_txbuf ? dlc->rd_txbuf->m_pkthdr.len : 0));
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}
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}
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LIST_FOREACH(rs, &rfcomm_session_listen, rs_next) {
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chan = rs->rs_l2cap;
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printf("LISTEN: psm 0x%4.4x, "
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"laddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
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chan->lc_laddr.bt_psm,
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BDADDR(chan->lc_laddr.bt_bdaddr));
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LIST_FOREACH(dlc, &rs->rs_dlcs, rd_next)
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printf("+DLC channel=%d\n", dlc->rd_laddr.bt_channel);
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}
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}
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#undef BDADDR
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#endif
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int
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hci_ioctl(unsigned long cmd, void *data, struct proc *p)
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{
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struct btreq *btr = data;
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struct hci_unit *unit;
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int s, err = 0;
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DPRINTFN(1, "cmd %#lx\n", cmd);
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switch(cmd) {
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#ifdef BLUETOOTH_DEBUG
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case SIOCBTDUMP:
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hci_dump();
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return 0;
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#endif
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/*
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* Get unit info based on address rather than name
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*/
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case SIOCGBTINFOA:
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unit = hci_unit_lookup(&btr->btr_bdaddr);
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if (unit == NULL)
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return ENXIO;
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break;
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/*
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* The remaining ioctl's all use the same btreq structure and
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* index on the name of the device, so we look that up first.
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*/
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case SIOCNBTINFO:
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/* empty name means give the first unit */
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if (btr->btr_name[0] == '\0') {
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unit = NULL;
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break;
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}
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/* else fall through and look it up */
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case SIOCGBTINFO:
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case SIOCSBTFLAGS:
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case SIOCSBTPOLICY:
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case SIOCSBTPTYPE:
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case SIOCGBTSTATS:
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case SIOCZBTSTATS:
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SIMPLEQ_FOREACH(unit, &hci_unit_list, hci_next) {
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if (strncmp(unit->hci_devname, btr->btr_name,
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HCI_DEVNAME_SIZE) == 0)
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break;
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}
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if (unit == NULL)
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return ENXIO;
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break;
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default: /* not one of mine */
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return EPASSTHROUGH;
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}
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switch(cmd) {
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case SIOCNBTINFO: /* get next info */
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if (unit)
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unit = SIMPLEQ_NEXT(unit, hci_next);
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else
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unit = SIMPLEQ_FIRST(&hci_unit_list);
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if (unit == NULL) {
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err = ENXIO;
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break;
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}
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/* and fall through to */
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case SIOCGBTINFO: /* get unit info */
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case SIOCGBTINFOA: /* get info by address */
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memset(btr, 0, sizeof(struct btreq));
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strlcpy(btr->btr_name, unit->hci_devname, HCI_DEVNAME_SIZE);
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bdaddr_copy(&btr->btr_bdaddr, &unit->hci_bdaddr);
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btr->btr_flags = unit->hci_flags;
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btr->btr_num_cmd = unit->hci_num_cmd_pkts;
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btr->btr_num_acl = unit->hci_num_acl_pkts;
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btr->btr_num_sco = unit->hci_num_sco_pkts;
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btr->btr_acl_mtu = unit->hci_max_acl_size;
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btr->btr_sco_mtu = unit->hci_max_sco_size;
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btr->btr_packet_type = unit->hci_packet_type;
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btr->btr_link_policy = unit->hci_link_policy;
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break;
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case SIOCSBTFLAGS: /* set unit flags (privileged) */
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err = kauth_authorize_generic(p->p_cred, KAUTH_GENERIC_ISSUSER, &p->p_acflag);
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if (err)
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break;
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if ((unit->hci_flags & BTF_UP)
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&& (btr->btr_flags & BTF_UP) == 0) {
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hci_disable(unit);
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unit->hci_flags &= ~BTF_UP;
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}
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s = splraiseipl(unit->hci_ipl);
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unit->hci_flags |= (btr->btr_flags & BTF_INIT);
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splx(s);
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if ((unit->hci_flags & BTF_UP) == 0
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&& (btr->btr_flags & BTF_UP)) {
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err = hci_enable(unit);
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if (err)
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break;
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s = splraiseipl(unit->hci_ipl);
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unit->hci_flags |= BTF_UP;
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splx(s);
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}
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btr->btr_flags = unit->hci_flags;
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break;
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case SIOCSBTPOLICY: /* set unit link policy (privileged) */
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err = kauth_authorize_generic(p->p_cred, KAUTH_GENERIC_ISSUSER, &p->p_acflag);
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if (err)
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break;
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unit->hci_link_policy = btr->btr_link_policy;
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unit->hci_link_policy &= unit->hci_lmp_mask;
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btr->btr_link_policy = unit->hci_link_policy;
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break;
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case SIOCSBTPTYPE: /* set unit packet types (privileged) */
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err = kauth_authorize_generic(p->p_cred, KAUTH_GENERIC_ISSUSER, &p->p_acflag);
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if (err)
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break;
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unit->hci_packet_type = btr->btr_packet_type;
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unit->hci_packet_type &= unit->hci_acl_mask;
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btr->btr_packet_type = unit->hci_packet_type;
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break;
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case SIOCGBTSTATS: /* get unit statistics */
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s = splraiseipl(unit->hci_ipl);
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memcpy(&btr->btr_stats, &unit->hci_stats,
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sizeof(struct bt_stats));
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splx(s);
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break;
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case SIOCZBTSTATS: /* get & reset unit statistics */
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err = kauth_authorize_generic(p->p_cred, KAUTH_GENERIC_ISSUSER, &p->p_acflag);
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if (err)
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break;
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s = splraiseipl(unit->hci_ipl);
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memcpy(&btr->btr_stats, &unit->hci_stats,
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sizeof(struct bt_stats));
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memset(&unit->hci_stats, 0, sizeof(struct bt_stats));
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splx(s);
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break;
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default:
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err = EFAULT;
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break;
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}
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return err;
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}
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