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/*
* Convenience functions for bluetooth.
*
* Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 or
* (at your option) version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu-common.h"
#include "net.h"
#include "bt.h"
/* Slave implementations can ignore this */
static void bt_dummy_lmp_mode_change(struct bt_link_s *link)
{
}
/* Slaves should never receive these PDUs */
static void bt_dummy_lmp_connection_complete(struct bt_link_s *link)
{
if (link->slave->reject_reason)
fprintf(stderr, "%s: stray LMP_not_accepted received, fixme\n",
__FUNCTION__);
else
fprintf(stderr, "%s: stray LMP_accepted received, fixme\n",
__FUNCTION__);
exit(-1);
}
static void bt_dummy_lmp_disconnect_master(struct bt_link_s *link)
{
fprintf(stderr, "%s: stray LMP_detach received, fixme\n", __FUNCTION__);
exit(-1);
}
static void bt_dummy_lmp_acl_resp(struct bt_link_s *link,
const uint8_t *data, int start, int len)
{
fprintf(stderr, "%s: stray ACL response PDU, fixme\n", __FUNCTION__);
exit(-1);
}
/* Slaves that don't hold any additional per link state can use these */
static void bt_dummy_lmp_connection_request(struct bt_link_s *req)
{
struct bt_link_s *link = qemu_mallocz(sizeof(struct bt_link_s));
link->slave = req->slave;
link->host = req->host;
req->host->reject_reason = 0;
req->host->lmp_connection_complete(link);
}
static void bt_dummy_lmp_disconnect_slave(struct bt_link_s *link)
{
qemu_free(link);
}
static void bt_dummy_destroy(struct bt_device_s *device)
{
bt_device_done(device);
qemu_free(device);
}
static int bt_dev_idx = 0;
void bt_device_init(struct bt_device_s *dev, struct bt_scatternet_s *net)
{
memset(dev, 0, sizeof(*dev));
dev->inquiry_scan = 1;
dev->page_scan = 1;
dev->bd_addr.b[0] = bt_dev_idx & 0xff;
dev->bd_addr.b[1] = bt_dev_idx >> 8;
dev->bd_addr.b[2] = 0xd0;
dev->bd_addr.b[3] = 0xba;
dev->bd_addr.b[4] = 0xbe;
dev->bd_addr.b[5] = 0xba;
bt_dev_idx ++;
/* Simple slave-only devices need to implement only .lmp_acl_data */
dev->lmp_connection_complete = bt_dummy_lmp_connection_complete;
dev->lmp_disconnect_master = bt_dummy_lmp_disconnect_master;
dev->lmp_acl_resp = bt_dummy_lmp_acl_resp;
dev->lmp_mode_change = bt_dummy_lmp_mode_change;
dev->lmp_connection_request = bt_dummy_lmp_connection_request;
dev->lmp_disconnect_slave = bt_dummy_lmp_disconnect_slave;
dev->handle_destroy = bt_dummy_destroy;
dev->net = net;
dev->next = net->slave;
net->slave = dev;
}
void bt_device_done(struct bt_device_s *dev)
{
struct bt_device_s **p = &dev->net->slave;
while (*p && *p != dev)
p = &(*p)->next;
if (*p != dev) {
fprintf(stderr, "%s: bad bt device \"%s\"\n", __FUNCTION__,
dev->lmp_name ?: "(null)");
exit(-1);
}
*p = dev->next;
}
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