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https://github.com/xemu-project/xemu.git
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1ae26a18a3
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5342 c046a42c-6fe2-441c-8c8c-71466251a162
124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/*
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* Convenience functions for bluetooth.
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*
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* Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include "qemu-common.h"
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#include "net.h"
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#include "bt.h"
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/* Slave implementations can ignore this */
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static void bt_dummy_lmp_mode_change(struct bt_link_s *link)
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{
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}
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/* Slaves should never receive these PDUs */
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static void bt_dummy_lmp_connection_complete(struct bt_link_s *link)
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{
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if (link->slave->reject_reason)
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fprintf(stderr, "%s: stray LMP_not_accepted received, fixme\n",
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__FUNCTION__);
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else
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fprintf(stderr, "%s: stray LMP_accepted received, fixme\n",
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__FUNCTION__);
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exit(-1);
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}
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static void bt_dummy_lmp_disconnect_master(struct bt_link_s *link)
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{
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fprintf(stderr, "%s: stray LMP_detach received, fixme\n", __FUNCTION__);
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exit(-1);
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}
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static void bt_dummy_lmp_acl_resp(struct bt_link_s *link,
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const uint8_t *data, int start, int len)
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{
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fprintf(stderr, "%s: stray ACL response PDU, fixme\n", __FUNCTION__);
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exit(-1);
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}
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/* Slaves that don't hold any additional per link state can use these */
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static void bt_dummy_lmp_connection_request(struct bt_link_s *req)
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{
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struct bt_link_s *link = qemu_mallocz(sizeof(struct bt_link_s));
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link->slave = req->slave;
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link->host = req->host;
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req->host->reject_reason = 0;
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req->host->lmp_connection_complete(link);
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}
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static void bt_dummy_lmp_disconnect_slave(struct bt_link_s *link)
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{
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qemu_free(link);
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}
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static void bt_dummy_destroy(struct bt_device_s *device)
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{
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bt_device_done(device);
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qemu_free(device);
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}
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static int bt_dev_idx = 0;
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void bt_device_init(struct bt_device_s *dev, struct bt_scatternet_s *net)
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{
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memset(dev, 0, sizeof(*dev));
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dev->inquiry_scan = 1;
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dev->page_scan = 1;
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dev->bd_addr.b[0] = bt_dev_idx & 0xff;
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dev->bd_addr.b[1] = bt_dev_idx >> 8;
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dev->bd_addr.b[2] = 0xd0;
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dev->bd_addr.b[3] = 0xba;
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dev->bd_addr.b[4] = 0xbe;
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dev->bd_addr.b[5] = 0xba;
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bt_dev_idx ++;
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/* Simple slave-only devices need to implement only .lmp_acl_data */
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dev->lmp_connection_complete = bt_dummy_lmp_connection_complete;
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dev->lmp_disconnect_master = bt_dummy_lmp_disconnect_master;
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dev->lmp_acl_resp = bt_dummy_lmp_acl_resp;
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dev->lmp_mode_change = bt_dummy_lmp_mode_change;
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dev->lmp_connection_request = bt_dummy_lmp_connection_request;
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dev->lmp_disconnect_slave = bt_dummy_lmp_disconnect_slave;
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dev->handle_destroy = bt_dummy_destroy;
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dev->net = net;
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dev->next = net->slave;
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net->slave = dev;
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}
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void bt_device_done(struct bt_device_s *dev)
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{
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struct bt_device_s **p = &dev->net->slave;
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while (*p && *p != dev)
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p = &(*p)->next;
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if (*p != dev) {
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fprintf(stderr, "%s: bad bt device \"%s\"\n", __FUNCTION__,
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dev->lmp_name ?: "(null)");
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exit(-1);
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}
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*p = dev->next;
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}
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