balrog | 1ae26a1 | 2008-09-28 23:19:47 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Convenience functions for bluetooth. |
| 3 | * |
| 4 | * Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation; either version 2 or |
| 9 | * (at your option) version 3 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
aurel32 | fad6cb1 | 2009-01-04 22:05:52 +0000 | [diff] [blame] | 16 | * You should have received a copy of the GNU General Public License along |
Blue Swirl | 8167ee8 | 2009-07-16 20:47:01 +0000 | [diff] [blame] | 17 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
balrog | 1ae26a1 | 2008-09-28 23:19:47 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | #include "qemu-common.h" |
| 21 | #include "net.h" |
| 22 | #include "bt.h" |
| 23 | |
| 24 | /* Slave implementations can ignore this */ |
| 25 | static void bt_dummy_lmp_mode_change(struct bt_link_s *link) |
| 26 | { |
| 27 | } |
| 28 | |
| 29 | /* Slaves should never receive these PDUs */ |
| 30 | static void bt_dummy_lmp_connection_complete(struct bt_link_s *link) |
| 31 | { |
| 32 | if (link->slave->reject_reason) |
| 33 | fprintf(stderr, "%s: stray LMP_not_accepted received, fixme\n", |
| 34 | __FUNCTION__); |
| 35 | else |
| 36 | fprintf(stderr, "%s: stray LMP_accepted received, fixme\n", |
| 37 | __FUNCTION__); |
| 38 | exit(-1); |
| 39 | } |
| 40 | |
| 41 | static void bt_dummy_lmp_disconnect_master(struct bt_link_s *link) |
| 42 | { |
| 43 | fprintf(stderr, "%s: stray LMP_detach received, fixme\n", __FUNCTION__); |
| 44 | exit(-1); |
| 45 | } |
| 46 | |
| 47 | static void bt_dummy_lmp_acl_resp(struct bt_link_s *link, |
| 48 | const uint8_t *data, int start, int len) |
| 49 | { |
| 50 | fprintf(stderr, "%s: stray ACL response PDU, fixme\n", __FUNCTION__); |
| 51 | exit(-1); |
| 52 | } |
| 53 | |
| 54 | /* Slaves that don't hold any additional per link state can use these */ |
| 55 | static void bt_dummy_lmp_connection_request(struct bt_link_s *req) |
| 56 | { |
| 57 | struct bt_link_s *link = qemu_mallocz(sizeof(struct bt_link_s)); |
| 58 | |
| 59 | link->slave = req->slave; |
| 60 | link->host = req->host; |
| 61 | |
| 62 | req->host->reject_reason = 0; |
| 63 | req->host->lmp_connection_complete(link); |
| 64 | } |
| 65 | |
| 66 | static void bt_dummy_lmp_disconnect_slave(struct bt_link_s *link) |
| 67 | { |
| 68 | qemu_free(link); |
| 69 | } |
| 70 | |
| 71 | static void bt_dummy_destroy(struct bt_device_s *device) |
| 72 | { |
| 73 | bt_device_done(device); |
| 74 | qemu_free(device); |
| 75 | } |
| 76 | |
| 77 | static int bt_dev_idx = 0; |
| 78 | |
| 79 | void bt_device_init(struct bt_device_s *dev, struct bt_scatternet_s *net) |
| 80 | { |
| 81 | memset(dev, 0, sizeof(*dev)); |
| 82 | dev->inquiry_scan = 1; |
| 83 | dev->page_scan = 1; |
| 84 | |
| 85 | dev->bd_addr.b[0] = bt_dev_idx & 0xff; |
| 86 | dev->bd_addr.b[1] = bt_dev_idx >> 8; |
| 87 | dev->bd_addr.b[2] = 0xd0; |
| 88 | dev->bd_addr.b[3] = 0xba; |
| 89 | dev->bd_addr.b[4] = 0xbe; |
| 90 | dev->bd_addr.b[5] = 0xba; |
| 91 | bt_dev_idx ++; |
| 92 | |
| 93 | /* Simple slave-only devices need to implement only .lmp_acl_data */ |
| 94 | dev->lmp_connection_complete = bt_dummy_lmp_connection_complete; |
| 95 | dev->lmp_disconnect_master = bt_dummy_lmp_disconnect_master; |
| 96 | dev->lmp_acl_resp = bt_dummy_lmp_acl_resp; |
| 97 | dev->lmp_mode_change = bt_dummy_lmp_mode_change; |
| 98 | dev->lmp_connection_request = bt_dummy_lmp_connection_request; |
| 99 | dev->lmp_disconnect_slave = bt_dummy_lmp_disconnect_slave; |
| 100 | |
| 101 | dev->handle_destroy = bt_dummy_destroy; |
| 102 | |
| 103 | dev->net = net; |
| 104 | dev->next = net->slave; |
| 105 | net->slave = dev; |
| 106 | } |
| 107 | |
| 108 | void bt_device_done(struct bt_device_s *dev) |
| 109 | { |
| 110 | struct bt_device_s **p = &dev->net->slave; |
| 111 | |
| 112 | while (*p && *p != dev) |
| 113 | p = &(*p)->next; |
| 114 | if (*p != dev) { |
| 115 | fprintf(stderr, "%s: bad bt device \"%s\"\n", __FUNCTION__, |
| 116 | dev->lmp_name ?: "(null)"); |
| 117 | exit(-1); |
| 118 | } |
| 119 | |
| 120 | *p = dev->next; |
| 121 | } |