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/*
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|---|---|
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* QEMU Bluetooth HCI logic.
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*
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| 4 |
* Copyright (C) 2007 OpenMoko, Inc.
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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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| 8 |
* 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 of
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| 10 |
* the License, or (at your option) any later version.
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| 11 |
*
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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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| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 |
* GNU General Public License for more details.
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| 16 |
*
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* You should have received a copy of the GNU General Public License
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| 18 |
* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu-common.h" |
| 22 |
#include "qemu-timer.h" |
| 23 |
#include "usb.h" |
| 24 |
#include "net.h" |
| 25 |
#include "bt.h" |
| 26 |
|
| 27 |
struct bt_hci_s {
|
| 28 |
uint8_t *(*evt_packet)(void *opaque);
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void (*evt_submit)(void *opaque, int len); |
| 30 |
void *opaque;
|
| 31 |
uint8_t evt_buf[256];
|
| 32 |
|
| 33 |
uint8_t acl_buf[4096];
|
| 34 |
int acl_len;
|
| 35 |
|
| 36 |
uint16_t asb_handle; |
| 37 |
uint16_t psb_handle; |
| 38 |
|
| 39 |
int last_cmd; /* Note: Always little-endian */ |
| 40 |
|
| 41 |
struct bt_device_s *conn_req_host;
|
| 42 |
|
| 43 |
struct {
|
| 44 |
int inquire;
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| 45 |
int periodic;
|
| 46 |
int responses_left;
|
| 47 |
int responses;
|
| 48 |
QEMUTimer *inquiry_done; |
| 49 |
QEMUTimer *inquiry_next; |
| 50 |
int inquiry_length;
|
| 51 |
int inquiry_period;
|
| 52 |
int inquiry_mode;
|
| 53 |
|
| 54 |
#define HCI_HANDLE_OFFSET 0x20 |
| 55 |
#define HCI_HANDLES_MAX 0x10 |
| 56 |
struct bt_hci_master_link_s {
|
| 57 |
struct bt_link_s *link;
|
| 58 |
void (*lmp_acl_data)(struct bt_link_s *link, |
| 59 |
const uint8_t *data, int start, int len); |
| 60 |
QEMUTimer *acl_mode_timer; |
| 61 |
} handle[HCI_HANDLES_MAX]; |
| 62 |
uint32_t role_bmp; |
| 63 |
int last_handle;
|
| 64 |
int connecting;
|
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bdaddr_t awaiting_bdaddr[HCI_HANDLES_MAX]; |
| 66 |
} lm; |
| 67 |
|
| 68 |
uint8_t event_mask[8];
|
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uint16_t voice_setting; /* Notw: Always little-endian */
|
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uint16_t conn_accept_tout; |
| 71 |
QEMUTimer *conn_accept_timer; |
| 72 |
|
| 73 |
struct HCIInfo info;
|
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struct bt_device_s device;
|
| 75 |
}; |
| 76 |
|
| 77 |
#define DEFAULT_RSSI_DBM 20 |
| 78 |
|
| 79 |
#define hci_from_info(ptr) container_of((ptr), struct bt_hci_s, info) |
| 80 |
#define hci_from_device(ptr) container_of((ptr), struct bt_hci_s, device) |
| 81 |
|
| 82 |
struct bt_hci_link_s {
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| 83 |
struct bt_link_s btlink;
|
| 84 |
uint16_t handle; /* Local */
|
| 85 |
}; |
| 86 |
|
| 87 |
/* LMP layer emulation */
|
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#if 0
|
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static void bt_submit_lmp(struct bt_device_s *bt, int length, uint8_t *data)
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{
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int resp, resplen, error, op, tr;
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uint8_t respdata[17];
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|
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if (length < 1)
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return;
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tr = *data & 1;
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op = *(data ++) >> 1;
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resp = LMP_ACCEPTED;
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resplen = 2;
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respdata[1] = op;
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error = 0;
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length --;
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| 104 |
|
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if (op >= 0x7c) { /* Extended opcode */
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op |= *(data ++) << 8;
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resp = LMP_ACCEPTED_EXT;
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resplen = 4;
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respdata[0] = op >> 8;
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respdata[1] = op & 0xff;
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length --;
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}
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switch (op) {
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case LMP_ACCEPTED:
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/* data[0] Op code
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*/
|
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if (length < 1) {
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
|
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}
|
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resp = 0;
|
| 123 |
break;
|
| 124 |
|
| 125 |
case LMP_ACCEPTED_EXT:
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/* data[0] Escape op code
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* data[1] Extended op code
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*/
|
| 129 |
if (length < 2) {
|
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
|
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}
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| 133 |
resp = 0;
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break;
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| 135 |
|
| 136 |
case LMP_NOT_ACCEPTED:
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/* data[0] Op code
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* data[1] Error code
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*/
|
| 140 |
if (length < 2) {
|
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
|
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}
|
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resp = 0;
|
| 145 |
break;
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| 146 |
|
| 147 |
case LMP_NOT_ACCEPTED_EXT:
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/* data[0] Op code
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* data[1] Extended op code
|
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* data[2] Error code
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*/
|
| 152 |
if (length < 3) {
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
|
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}
|
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resp = 0;
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| 157 |
break;
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|
| 159 |
case LMP_HOST_CONNECTION_REQ:
|
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break;
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| 161 |
|
| 162 |
case LMP_SETUP_COMPLETE:
|
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resp = LMP_SETUP_COMPLETE;
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resplen = 1;
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bt->setup = 1;
|
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break;
|
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|
| 168 |
case LMP_DETACH:
|
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/* data[0] Error code
|
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*/
|
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if (length < 1) {
|
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
|
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}
|
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bt->setup = 0;
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resp = 0;
|
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break;
|
| 178 |
|
| 179 |
case LMP_SUPERVISION_TIMEOUT:
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/* data[0,1] Supervision timeout
|
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*/
|
| 182 |
if (length < 2) {
|
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
|
| 184 |
goto not_accepted;
|
| 185 |
}
|
| 186 |
resp = 0;
|
| 187 |
break;
|
| 188 |
|
| 189 |
case LMP_QUALITY_OF_SERVICE:
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resp = 0;
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/* Fall through */
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case LMP_QOS_REQ:
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/* data[0,1] Poll interval
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* data[2] N(BC)
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*/
|
| 196 |
if (length < 3) {
|
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
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}
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| 200 |
break;
|
| 201 |
|
| 202 |
case LMP_MAX_SLOT:
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resp = 0;
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/* Fall through */
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case LMP_MAX_SLOT_REQ:
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/* data[0] Max slots
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*/
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if (length < 1) {
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
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}
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break;
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|
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case LMP_AU_RAND:
|
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case LMP_IN_RAND:
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case LMP_COMB_KEY:
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/* data[0-15] Random number
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*/
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if (length < 16) {
|
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
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}
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| 223 |
if (op == LMP_AU_RAND) {
|
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if (bt->key_present) {
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resp = LMP_SRES;
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resplen = 5;
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/* XXX: [Part H] Section 6.1 on page 801 */
|
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} else {
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error = HCI_PIN_OR_KEY_MISSING;
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goto not_accepted;
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}
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} else if (op == LMP_IN_RAND) {
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error = HCI_PAIRING_NOT_ALLOWED;
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goto not_accepted;
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} else {
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/* XXX: [Part H] Section 3.2 on page 779 */
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resp = LMP_UNIT_KEY;
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resplen = 17;
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memcpy(respdata + 1, bt->key, 16);
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|
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error = HCI_UNIT_LINK_KEY_USED;
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goto not_accepted;
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}
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break;
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| 245 |
|
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case LMP_UNIT_KEY:
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/* data[0-15] Key
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*/
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if (length < 16) {
|
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
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}
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memcpy(bt->key, data, 16);
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bt->key_present = 1;
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break;
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| 256 |
|
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case LMP_SRES:
|
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/* data[0-3] Authentication response
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*/
|
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if (length < 4) {
|
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error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
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goto not_accepted;
|
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}
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break;
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| 265 |
|
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case LMP_CLKOFFSET_REQ:
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resp = LMP_CLKOFFSET_RES;
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resplen = 3;
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respdata[1] = 0x33;
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respdata[2] = 0x33;
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break;
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| 272 |
|
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case LMP_CLKOFFSET_RES:
|
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/* data[0,1] Clock offset
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* (Slave to master only)
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*/
|
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if (length < 2) {
|
| 278 |
error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
|
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goto not_accepted;
|
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}
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break;
|
| 282 |
|
| 283 |
case LMP_VERSION_REQ:
|
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case LMP_VERSION_RES:
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/* data[0] VersNr
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* data[1,2] CompId
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| 287 |
* data[3,4] SubVersNr
|
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*/
|
| 289 |
if (length < 5) {
|
| 290 |
error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
|
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goto not_accepted;
|
| 292 |
}
|
| 293 |
if (op == LMP_VERSION_REQ) {
|
| 294 |
resp = LMP_VERSION_RES;
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resplen = 6;
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respdata[1] = 0x20;
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| 297 |
respdata[2] = 0xff;
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| 298 |
respdata[3] = 0xff;
|
| 299 |
respdata[4] = 0xff;
|
| 300 |
respdata[5] = 0xff;
|
| 301 |
} else
|
| 302 |
resp = 0;
|
| 303 |
break;
|
| 304 |
|
| 305 |
case LMP_FEATURES_REQ:
|
| 306 |
case LMP_FEATURES_RES:
|
| 307 |
/* data[0-7] Features
|
| 308 |
*/
|
| 309 |
if (length < 8) {
|
| 310 |
error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
|
| 311 |
goto not_accepted;
|
| 312 |
}
|
| 313 |
if (op == LMP_FEATURES_REQ) {
|
| 314 |
resp = LMP_FEATURES_RES;
|
| 315 |
resplen = 9;
|
| 316 |
respdata[1] = (bt->lmp_caps >> 0) & 0xff;
|
| 317 |
respdata[2] = (bt->lmp_caps >> 8) & 0xff;
|
| 318 |
respdata[3] = (bt->lmp_caps >> 16) & 0xff;
|
| 319 |
respdata[4] = (bt->lmp_caps >> 24) & 0xff;
|
| 320 |
respdata[5] = (bt->lmp_caps >> 32) & 0xff;
|
| 321 |
respdata[6] = (bt->lmp_caps >> 40) & 0xff;
|
| 322 |
respdata[7] = (bt->lmp_caps >> 48) & 0xff;
|
| 323 |
respdata[8] = (bt->lmp_caps >> 56) & 0xff;
|
| 324 |
} else
|
| 325 |
resp = 0;
|
| 326 |
break;
|
| 327 |
|
| 328 |
case LMP_NAME_REQ:
|
| 329 |
/* data[0] Name offset
|
| 330 |
*/
|
| 331 |
if (length < 1) {
|
| 332 |
error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
|
| 333 |
goto not_accepted;
|
| 334 |
}
|
| 335 |
resp = LMP_NAME_RES;
|
| 336 |
resplen = 17;
|
| 337 |
respdata[1] = data[0];
|
| 338 |
respdata[2] = strlen(bt->lmp_name);
|
| 339 |
memset(respdata + 3, 0x00, 14);
|
| 340 |
if (respdata[2] > respdata[1])
|
| 341 |
memcpy(respdata + 3, bt->lmp_name + respdata[1],
|
| 342 |
respdata[2] - respdata[1]);
|
| 343 |
break;
|
| 344 |
|
| 345 |
case LMP_NAME_RES:
|
| 346 |
/* data[0] Name offset
|
| 347 |
* data[1] Name length
|
| 348 |
* data[2-15] Name fragment
|
| 349 |
*/
|
| 350 |
if (length < 16) {
|
| 351 |
error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
|
| 352 |
goto not_accepted;
|
| 353 |
}
|
| 354 |
resp = 0;
|
| 355 |
break;
|
| 356 |
|
| 357 |
default:
|
| 358 |
error = HCI_UNKNOWN_LMP_PDU;
|
| 359 |
/* Fall through */
|
| 360 |
not_accepted:
|
| 361 |
if (op >> 8) {
|
| 362 |
resp = LMP_NOT_ACCEPTED_EXT;
|
| 363 |
resplen = 5;
|
| 364 |
respdata[0] = op >> 8;
|
| 365 |
respdata[1] = op & 0xff;
|
| 366 |
respdata[2] = error;
|
| 367 |
} else {
|
| 368 |
resp = LMP_NOT_ACCEPTED;
|
| 369 |
resplen = 3;
|
| 370 |
respdata[0] = op & 0xff;
|
| 371 |
respdata[1] = error;
|
| 372 |
}
|
| 373 |
}
|
| 374 |
|
| 375 |
if (resp == 0)
|
| 376 |
return;
|
| 377 |
|
| 378 |
if (resp >> 8) {
|
| 379 |
respdata[0] = resp >> 8;
|
| 380 |
respdata[1] = resp & 0xff;
|
| 381 |
} else
|
| 382 |
respdata[0] = resp & 0xff;
|
| 383 |
|
| 384 |
respdata[0] <<= 1;
|
| 385 |
respdata[0] |= tr;
|
| 386 |
}
|
| 387 |
|
| 388 |
static void bt_submit_raw_acl(struct bt_piconet_s *net, int length, uint8_t *data)
|
| 389 |
{
|
| 390 |
struct bt_device_s *slave;
|
| 391 |
if (length < 1)
|
| 392 |
return;
|
| 393 |
|
| 394 |
slave = 0;
|
| 395 |
#if 0
|
| 396 |
slave = net->slave;
|
| 397 |
#endif
|
| 398 |
|
| 399 |
switch (data[0] & 3) { |
| 400 |
case LLID_ACLC:
|
| 401 |
bt_submit_lmp(slave, length - 1, data + 1); |
| 402 |
break;
|
| 403 |
case LLID_ACLU_START:
|
| 404 |
#if 0
|
| 405 |
bt_sumbit_l2cap(slave, length - 1, data + 1, (data[0] >> 2) & 1);
|
| 406 |
breka;
|
| 407 |
#endif
|
| 408 |
default:
|
| 409 |
case LLID_ACLU_CONT:
|
| 410 |
break;
|
| 411 |
} |
| 412 |
} |
| 413 |
#endif
|
| 414 |
|
| 415 |
/* HCI layer emulation */
|
| 416 |
|
| 417 |
/* Note: we could ignore endiannes because unswapped handles will still
|
| 418 |
* be valid as connection identifiers for the guest - they don't have to
|
| 419 |
* be continuously allocated. We do it though, to preserve similar
|
| 420 |
* behaviour between hosts. Some things, like the BD_ADDR cannot be
|
| 421 |
* preserved though (for example if a real hci is used). */
|
| 422 |
#ifdef HOST_WORDS_BIGENDIAN
|
| 423 |
# define HNDL(raw) bswap16(raw)
|
| 424 |
#else
|
| 425 |
# define HNDL(raw) (raw)
|
| 426 |
#endif
|
| 427 |
|
| 428 |
static const uint8_t bt_event_reserved_mask[8] = { |
| 429 |
0xff, 0x9f, 0xfb, 0xff, 0x07, 0x18, 0x00, 0x00, |
| 430 |
}; |
| 431 |
|
| 432 |
static inline uint8_t *bt_hci_event_start(struct bt_hci_s *hci, |
| 433 |
int evt, int len) |
| 434 |
{
|
| 435 |
uint8_t *packet, mask; |
| 436 |
int mask_byte;
|
| 437 |
|
| 438 |
if (len > 255) { |
| 439 |
fprintf(stderr, "%s: HCI event params too long (%ib)\n",
|
| 440 |
__FUNCTION__, len); |
| 441 |
exit(-1);
|
| 442 |
} |
| 443 |
|
| 444 |
mask_byte = (evt - 1) >> 3; |
| 445 |
mask = 1 << ((evt - 1) & 3); |
| 446 |
if (mask & bt_event_reserved_mask[mask_byte] & ~hci->event_mask[mask_byte])
|
| 447 |
return NULL; |
| 448 |
|
| 449 |
packet = hci->evt_packet(hci->opaque); |
| 450 |
packet[0] = evt;
|
| 451 |
packet[1] = len;
|
| 452 |
|
| 453 |
return &packet[2]; |
| 454 |
} |
| 455 |
|
| 456 |
static inline void bt_hci_event(struct bt_hci_s *hci, int evt, |
| 457 |
void *params, int len) |
| 458 |
{
|
| 459 |
uint8_t *packet = bt_hci_event_start(hci, evt, len); |
| 460 |
|
| 461 |
if (!packet)
|
| 462 |
return;
|
| 463 |
|
| 464 |
if (len)
|
| 465 |
memcpy(packet, params, len); |
| 466 |
|
| 467 |
hci->evt_submit(hci->opaque, len + 2);
|
| 468 |
} |
| 469 |
|
| 470 |
static inline void bt_hci_event_status(struct bt_hci_s *hci, int status) |
| 471 |
{
|
| 472 |
evt_cmd_status params = {
|
| 473 |
.status = status, |
| 474 |
.ncmd = 1,
|
| 475 |
.opcode = hci->last_cmd, |
| 476 |
}; |
| 477 |
|
| 478 |
bt_hci_event(hci, EVT_CMD_STATUS, ¶ms, EVT_CMD_STATUS_SIZE); |
| 479 |
} |
| 480 |
|
| 481 |
static inline void bt_hci_event_complete(struct bt_hci_s *hci, |
| 482 |
void *ret, int len) |
| 483 |
{
|
| 484 |
uint8_t *packet = bt_hci_event_start(hci, EVT_CMD_COMPLETE, |
| 485 |
len + EVT_CMD_COMPLETE_SIZE); |
| 486 |
evt_cmd_complete *params = (evt_cmd_complete *) packet; |
| 487 |
|
| 488 |
if (!packet)
|
| 489 |
return;
|
| 490 |
|
| 491 |
params->ncmd = 1;
|
| 492 |
params->opcode = hci->last_cmd; |
| 493 |
if (len)
|
| 494 |
memcpy(&packet[EVT_CMD_COMPLETE_SIZE], ret, len); |
| 495 |
|
| 496 |
hci->evt_submit(hci->opaque, len + EVT_CMD_COMPLETE_SIZE + 2);
|
| 497 |
} |
| 498 |
|
| 499 |
static void bt_hci_inquiry_done(void *opaque) |
| 500 |
{
|
| 501 |
struct bt_hci_s *hci = (struct bt_hci_s *) opaque; |
| 502 |
uint8_t status = HCI_SUCCESS; |
| 503 |
|
| 504 |
if (!hci->lm.periodic)
|
| 505 |
hci->lm.inquire = 0;
|
| 506 |
|
| 507 |
/* The specification is inconsistent about this one. Page 565 reads
|
| 508 |
* "The event parameters of Inquiry Complete event will have a summary
|
| 509 |
* of the result from the Inquiry process, which reports the number of
|
| 510 |
* nearby Bluetooth devices that responded [so hci->responses].", but
|
| 511 |
* Event Parameters (see page 729) has only Status. */
|
| 512 |
bt_hci_event(hci, EVT_INQUIRY_COMPLETE, &status, 1);
|
| 513 |
} |
| 514 |
|
| 515 |
static void bt_hci_inquiry_result_standard(struct bt_hci_s *hci, |
| 516 |
struct bt_device_s *slave)
|
| 517 |
{
|
| 518 |
inquiry_info params = {
|
| 519 |
.num_responses = 1,
|
| 520 |
.bdaddr = BAINIT(&slave->bd_addr), |
| 521 |
.pscan_rep_mode = 0x00, /* R0 */ |
| 522 |
.pscan_period_mode = 0x00, /* P0 - deprecated */ |
| 523 |
.pscan_mode = 0x00, /* Standard scan - deprecated */ |
| 524 |
.dev_class[0] = slave->class[0], |
| 525 |
.dev_class[1] = slave->class[1], |
| 526 |
.dev_class[2] = slave->class[2], |
| 527 |
/* TODO: return the clkoff *differenece* */
|
| 528 |
.clock_offset = slave->clkoff, /* Note: no swapping */
|
| 529 |
}; |
| 530 |
|
| 531 |
bt_hci_event(hci, EVT_INQUIRY_RESULT, ¶ms, INQUIRY_INFO_SIZE); |
| 532 |
} |
| 533 |
|
| 534 |
static void bt_hci_inquiry_result_with_rssi(struct bt_hci_s *hci, |
| 535 |
struct bt_device_s *slave)
|
| 536 |
{
|
| 537 |
inquiry_info_with_rssi params = {
|
| 538 |
.num_responses = 1,
|
| 539 |
.bdaddr = BAINIT(&slave->bd_addr), |
| 540 |
.pscan_rep_mode = 0x00, /* R0 */ |
| 541 |
.pscan_period_mode = 0x00, /* P0 - deprecated */ |
| 542 |
.dev_class[0] = slave->class[0], |
| 543 |
.dev_class[1] = slave->class[1], |
| 544 |
.dev_class[2] = slave->class[2], |
| 545 |
/* TODO: return the clkoff *differenece* */
|
| 546 |
.clock_offset = slave->clkoff, /* Note: no swapping */
|
| 547 |
.rssi = DEFAULT_RSSI_DBM, |
| 548 |
}; |
| 549 |
|
| 550 |
bt_hci_event(hci, EVT_INQUIRY_RESULT_WITH_RSSI, |
| 551 |
¶ms, INQUIRY_INFO_WITH_RSSI_SIZE); |
| 552 |
} |
| 553 |
|
| 554 |
static void bt_hci_inquiry_result(struct bt_hci_s *hci, |
| 555 |
struct bt_device_s *slave)
|
| 556 |
{
|
| 557 |
if (!slave->inquiry_scan || !hci->lm.responses_left)
|
| 558 |
return;
|
| 559 |
|
| 560 |
hci->lm.responses_left --; |
| 561 |
hci->lm.responses ++; |
| 562 |
|
| 563 |
switch (hci->lm.inquiry_mode) {
|
| 564 |
case 0x00: |
| 565 |
bt_hci_inquiry_result_standard(hci, slave); |
| 566 |
return;
|
| 567 |
case 0x01: |
| 568 |
bt_hci_inquiry_result_with_rssi(hci, slave); |
| 569 |
return;
|
| 570 |
default:
|
| 571 |
fprintf(stderr, "%s: bad inquiry mode %02x\n", __FUNCTION__,
|
| 572 |
hci->lm.inquiry_mode); |
| 573 |
exit(-1);
|
| 574 |
} |
| 575 |
} |
| 576 |
|
| 577 |
static void bt_hci_mod_timer_1280ms(QEMUTimer *timer, int period) |
| 578 |
{
|
| 579 |
qemu_mod_timer(timer, qemu_get_clock_ns(vm_clock) + |
| 580 |
muldiv64(period << 7, get_ticks_per_sec(), 100)); |
| 581 |
} |
| 582 |
|
| 583 |
static void bt_hci_inquiry_start(struct bt_hci_s *hci, int length) |
| 584 |
{
|
| 585 |
struct bt_device_s *slave;
|
| 586 |
|
| 587 |
hci->lm.inquiry_length = length; |
| 588 |
for (slave = hci->device.net->slave; slave; slave = slave->next)
|
| 589 |
/* Don't uncover ourselves. */
|
| 590 |
if (slave != &hci->device)
|
| 591 |
bt_hci_inquiry_result(hci, slave); |
| 592 |
|
| 593 |
/* TODO: register for a callback on a new device's addition to the
|
| 594 |
* scatternet so that if it's added before inquiry_length expires,
|
| 595 |
* an Inquiry Result is generated immediately. Alternatively re-loop
|
| 596 |
* through the devices on the inquiry_length expiration and report
|
| 597 |
* devices not seen before. */
|
| 598 |
if (hci->lm.responses_left)
|
| 599 |
bt_hci_mod_timer_1280ms(hci->lm.inquiry_done, hci->lm.inquiry_length); |
| 600 |
else
|
| 601 |
bt_hci_inquiry_done(hci); |
| 602 |
|
| 603 |
if (hci->lm.periodic)
|
| 604 |
bt_hci_mod_timer_1280ms(hci->lm.inquiry_next, hci->lm.inquiry_period); |
| 605 |
} |
| 606 |
|
| 607 |
static void bt_hci_inquiry_next(void *opaque) |
| 608 |
{
|
| 609 |
struct bt_hci_s *hci = (struct bt_hci_s *) opaque; |
| 610 |
|
| 611 |
hci->lm.responses_left += hci->lm.responses; |
| 612 |
hci->lm.responses = 0;
|
| 613 |
bt_hci_inquiry_start(hci, hci->lm.inquiry_length); |
| 614 |
} |
| 615 |
|
| 616 |
static inline int bt_hci_handle_bad(struct bt_hci_s *hci, uint16_t handle) |
| 617 |
{
|
| 618 |
return !(handle & HCI_HANDLE_OFFSET) ||
|
| 619 |
handle >= (HCI_HANDLE_OFFSET | HCI_HANDLES_MAX) || |
| 620 |
!hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link; |
| 621 |
} |
| 622 |
|
| 623 |
static inline int bt_hci_role_master(struct bt_hci_s *hci, uint16_t handle) |
| 624 |
{
|
| 625 |
return !!(hci->lm.role_bmp & (1 << (handle & ~HCI_HANDLE_OFFSET))); |
| 626 |
} |
| 627 |
|
| 628 |
static inline struct bt_device_s *bt_hci_remote_dev(struct bt_hci_s *hci, |
| 629 |
uint16_t handle) |
| 630 |
{
|
| 631 |
struct bt_link_s *link = hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link;
|
| 632 |
|
| 633 |
return bt_hci_role_master(hci, handle) ? link->slave : link->host;
|
| 634 |
} |
| 635 |
|
| 636 |
static void bt_hci_mode_tick(void *opaque); |
| 637 |
static void bt_hci_lmp_link_establish(struct bt_hci_s *hci, |
| 638 |
struct bt_link_s *link, int master) |
| 639 |
{
|
| 640 |
hci->lm.handle[hci->lm.last_handle].link = link; |
| 641 |
|
| 642 |
if (master) {
|
| 643 |
/* We are the master side of an ACL link */
|
| 644 |
hci->lm.role_bmp |= 1 << hci->lm.last_handle;
|
| 645 |
|
| 646 |
hci->lm.handle[hci->lm.last_handle].lmp_acl_data = |
| 647 |
link->slave->lmp_acl_data; |
| 648 |
} else {
|
| 649 |
/* We are the slave side of an ACL link */
|
| 650 |
hci->lm.role_bmp &= ~(1 << hci->lm.last_handle);
|
| 651 |
|
| 652 |
hci->lm.handle[hci->lm.last_handle].lmp_acl_data = |
| 653 |
link->host->lmp_acl_resp; |
| 654 |
} |
| 655 |
|
| 656 |
/* Mode */
|
| 657 |
if (master) {
|
| 658 |
link->acl_mode = acl_active; |
| 659 |
hci->lm.handle[hci->lm.last_handle].acl_mode_timer = |
| 660 |
qemu_new_timer_ns(vm_clock, bt_hci_mode_tick, link); |
| 661 |
} |
| 662 |
} |
| 663 |
|
| 664 |
static void bt_hci_lmp_link_teardown(struct bt_hci_s *hci, uint16_t handle) |
| 665 |
{
|
| 666 |
handle &= ~HCI_HANDLE_OFFSET; |
| 667 |
hci->lm.handle[handle].link = NULL;
|
| 668 |
|
| 669 |
if (bt_hci_role_master(hci, handle)) {
|
| 670 |
qemu_del_timer(hci->lm.handle[handle].acl_mode_timer); |
| 671 |
qemu_free_timer(hci->lm.handle[handle].acl_mode_timer); |
| 672 |
} |
| 673 |
} |
| 674 |
|
| 675 |
static int bt_hci_connect(struct bt_hci_s *hci, bdaddr_t *bdaddr) |
| 676 |
{
|
| 677 |
struct bt_device_s *slave;
|
| 678 |
struct bt_link_s link;
|
| 679 |
|
| 680 |
for (slave = hci->device.net->slave; slave; slave = slave->next)
|
| 681 |
if (slave->page_scan && !bacmp(&slave->bd_addr, bdaddr))
|
| 682 |
break;
|
| 683 |
if (!slave || slave == &hci->device)
|
| 684 |
return -ENODEV;
|
| 685 |
|
| 686 |
bacpy(&hci->lm.awaiting_bdaddr[hci->lm.connecting ++], &slave->bd_addr); |
| 687 |
|
| 688 |
link.slave = slave; |
| 689 |
link.host = &hci->device; |
| 690 |
link.slave->lmp_connection_request(&link); /* Always last */
|
| 691 |
|
| 692 |
return 0; |
| 693 |
} |
| 694 |
|
| 695 |
static void bt_hci_connection_reject(struct bt_hci_s *hci, |
| 696 |
struct bt_device_s *host, uint8_t because)
|
| 697 |
{
|
| 698 |
struct bt_link_s link = {
|
| 699 |
.slave = &hci->device, |
| 700 |
.host = host, |
| 701 |
/* Rest uninitialised */
|
| 702 |
}; |
| 703 |
|
| 704 |
host->reject_reason = because; |
| 705 |
host->lmp_connection_complete(&link); |
| 706 |
} |
| 707 |
|
| 708 |
static void bt_hci_connection_reject_event(struct bt_hci_s *hci, |
| 709 |
bdaddr_t *bdaddr) |
| 710 |
{
|
| 711 |
evt_conn_complete params; |
| 712 |
|
| 713 |
params.status = HCI_NO_CONNECTION; |
| 714 |
params.handle = 0;
|
| 715 |
bacpy(¶ms.bdaddr, bdaddr); |
| 716 |
params.link_type = ACL_LINK; |
| 717 |
params.encr_mode = 0x00; /* Encryption not required */ |
| 718 |
bt_hci_event(hci, EVT_CONN_COMPLETE, ¶ms, EVT_CONN_COMPLETE_SIZE); |
| 719 |
} |
| 720 |
|
| 721 |
static void bt_hci_connection_accept(struct bt_hci_s *hci, |
| 722 |
struct bt_device_s *host)
|
| 723 |
{
|
| 724 |
struct bt_hci_link_s *link = qemu_mallocz(sizeof(struct bt_hci_link_s)); |
| 725 |
evt_conn_complete params; |
| 726 |
uint16_t handle; |
| 727 |
uint8_t status = HCI_SUCCESS; |
| 728 |
int tries = HCI_HANDLES_MAX;
|
| 729 |
|
| 730 |
/* Make a connection handle */
|
| 731 |
do {
|
| 732 |
while (hci->lm.handle[++ hci->lm.last_handle].link && -- tries)
|
| 733 |
hci->lm.last_handle &= HCI_HANDLES_MAX - 1;
|
| 734 |
handle = hci->lm.last_handle | HCI_HANDLE_OFFSET; |
| 735 |
} while ((handle == hci->asb_handle || handle == hci->psb_handle) &&
|
| 736 |
tries); |
| 737 |
|
| 738 |
if (!tries) {
|
| 739 |
qemu_free(link); |
| 740 |
bt_hci_connection_reject(hci, host, HCI_REJECTED_LIMITED_RESOURCES); |
| 741 |
status = HCI_NO_CONNECTION; |
| 742 |
goto complete;
|
| 743 |
} |
| 744 |
|
| 745 |
link->btlink.slave = &hci->device; |
| 746 |
link->btlink.host = host; |
| 747 |
link->handle = handle; |
| 748 |
|
| 749 |
/* Link established */
|
| 750 |
bt_hci_lmp_link_establish(hci, &link->btlink, 0);
|
| 751 |
|
| 752 |
complete:
|
| 753 |
params.status = status; |
| 754 |
params.handle = HNDL(handle); |
| 755 |
bacpy(¶ms.bdaddr, &host->bd_addr); |
| 756 |
params.link_type = ACL_LINK; |
| 757 |
params.encr_mode = 0x00; /* Encryption not required */ |
| 758 |
bt_hci_event(hci, EVT_CONN_COMPLETE, ¶ms, EVT_CONN_COMPLETE_SIZE); |
| 759 |
|
| 760 |
/* Neets to be done at the very end because it can trigger a (nested)
|
| 761 |
* disconnected, in case the other and had cancelled the request
|
| 762 |
* locally. */
|
| 763 |
if (status == HCI_SUCCESS) {
|
| 764 |
host->reject_reason = 0;
|
| 765 |
host->lmp_connection_complete(&link->btlink); |
| 766 |
} |
| 767 |
} |
| 768 |
|
| 769 |
static void bt_hci_lmp_connection_request(struct bt_link_s *link) |
| 770 |
{
|
| 771 |
struct bt_hci_s *hci = hci_from_device(link->slave);
|
| 772 |
evt_conn_request params; |
| 773 |
|
| 774 |
if (hci->conn_req_host) {
|
| 775 |
bt_hci_connection_reject(hci, link->host, |
| 776 |
HCI_REJECTED_LIMITED_RESOURCES); |
| 777 |
return;
|
| 778 |
} |
| 779 |
hci->conn_req_host = link->host; |
| 780 |
/* TODO: if masked and auto-accept, then auto-accept,
|
| 781 |
* if masked and not auto-accept, then auto-reject */
|
| 782 |
/* TODO: kick the hci->conn_accept_timer, timeout after
|
| 783 |
* hci->conn_accept_tout * 0.625 msec */
|
| 784 |
|
| 785 |
bacpy(¶ms.bdaddr, &link->host->bd_addr); |
| 786 |
memcpy(¶ms.dev_class, &link->host->class, sizeof(params.dev_class));
|
| 787 |
params.link_type = ACL_LINK; |
| 788 |
bt_hci_event(hci, EVT_CONN_REQUEST, ¶ms, EVT_CONN_REQUEST_SIZE); |
| 789 |
return;
|
| 790 |
} |
| 791 |
|
| 792 |
static void bt_hci_conn_accept_timeout(void *opaque) |
| 793 |
{
|
| 794 |
struct bt_hci_s *hci = (struct bt_hci_s *) opaque; |
| 795 |
|
| 796 |
if (!hci->conn_req_host)
|
| 797 |
/* Already accepted or rejected. If the other end cancelled the
|
| 798 |
* connection request then we still have to reject or accept it
|
| 799 |
* and then we'll get a disconnect. */
|
| 800 |
return;
|
| 801 |
|
| 802 |
/* TODO */
|
| 803 |
} |
| 804 |
|
| 805 |
/* Remove from the list of devices which we wanted to connect to and
|
| 806 |
* are awaiting a response from. If the callback sees a response from
|
| 807 |
* a device which is not on the list it will assume it's a connection
|
| 808 |
* that's been cancelled by the host in the meantime and immediately
|
| 809 |
* try to detach the link and send a Connection Complete. */
|
| 810 |
static int bt_hci_lmp_connection_ready(struct bt_hci_s *hci, |
| 811 |
bdaddr_t *bdaddr) |
| 812 |
{
|
| 813 |
int i;
|
| 814 |
|
| 815 |
for (i = 0; i < hci->lm.connecting; i ++) |
| 816 |
if (!bacmp(&hci->lm.awaiting_bdaddr[i], bdaddr)) {
|
| 817 |
if (i < -- hci->lm.connecting)
|
| 818 |
bacpy(&hci->lm.awaiting_bdaddr[i], |
| 819 |
&hci->lm.awaiting_bdaddr[hci->lm.connecting]); |
| 820 |
return 0; |
| 821 |
} |
| 822 |
|
| 823 |
return 1; |
| 824 |
} |
| 825 |
|
| 826 |
static void bt_hci_lmp_connection_complete(struct bt_link_s *link) |
| 827 |
{
|
| 828 |
struct bt_hci_s *hci = hci_from_device(link->host);
|
| 829 |
evt_conn_complete params; |
| 830 |
uint16_t handle; |
| 831 |
uint8_t status = HCI_SUCCESS; |
| 832 |
int tries = HCI_HANDLES_MAX;
|
| 833 |
|
| 834 |
if (bt_hci_lmp_connection_ready(hci, &link->slave->bd_addr)) {
|
| 835 |
if (!hci->device.reject_reason)
|
| 836 |
link->slave->lmp_disconnect_slave(link); |
| 837 |
handle = 0;
|
| 838 |
status = HCI_NO_CONNECTION; |
| 839 |
goto complete;
|
| 840 |
} |
| 841 |
|
| 842 |
if (hci->device.reject_reason) {
|
| 843 |
handle = 0;
|
| 844 |
status = hci->device.reject_reason; |
| 845 |
goto complete;
|
| 846 |
} |
| 847 |
|
| 848 |
/* Make a connection handle */
|
| 849 |
do {
|
| 850 |
while (hci->lm.handle[++ hci->lm.last_handle].link && -- tries)
|
| 851 |
hci->lm.last_handle &= HCI_HANDLES_MAX - 1;
|
| 852 |
handle = hci->lm.last_handle | HCI_HANDLE_OFFSET; |
| 853 |
} while ((handle == hci->asb_handle || handle == hci->psb_handle) &&
|
| 854 |
tries); |
| 855 |
|
| 856 |
if (!tries) {
|
| 857 |
link->slave->lmp_disconnect_slave(link); |
| 858 |
status = HCI_NO_CONNECTION; |
| 859 |
goto complete;
|
| 860 |
} |
| 861 |
|
| 862 |
/* Link established */
|
| 863 |
link->handle = handle; |
| 864 |
bt_hci_lmp_link_establish(hci, link, 1);
|
| 865 |
|
| 866 |
complete:
|
| 867 |
params.status = status; |
| 868 |
params.handle = HNDL(handle); |
| 869 |
params.link_type = ACL_LINK; |
| 870 |
bacpy(¶ms.bdaddr, &link->slave->bd_addr); |
| 871 |
params.encr_mode = 0x00; /* Encryption not required */ |
| 872 |
bt_hci_event(hci, EVT_CONN_COMPLETE, ¶ms, EVT_CONN_COMPLETE_SIZE); |
| 873 |
} |
| 874 |
|
| 875 |
static void bt_hci_disconnect(struct bt_hci_s *hci, |
| 876 |
uint16_t handle, int reason)
|
| 877 |
{
|
| 878 |
struct bt_link_s *btlink =
|
| 879 |
hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link; |
| 880 |
struct bt_hci_link_s *link;
|
| 881 |
evt_disconn_complete params; |
| 882 |
|
| 883 |
if (bt_hci_role_master(hci, handle)) {
|
| 884 |
btlink->slave->reject_reason = reason; |
| 885 |
btlink->slave->lmp_disconnect_slave(btlink); |
| 886 |
/* The link pointer is invalid from now on */
|
| 887 |
|
| 888 |
goto complete;
|
| 889 |
} |
| 890 |
|
| 891 |
btlink->host->reject_reason = reason; |
| 892 |
btlink->host->lmp_disconnect_master(btlink); |
| 893 |
|
| 894 |
/* We are the slave, we get to clean this burden */
|
| 895 |
link = (struct bt_hci_link_s *) btlink;
|
| 896 |
qemu_free(link); |
| 897 |
|
| 898 |
complete:
|
| 899 |
bt_hci_lmp_link_teardown(hci, handle); |
| 900 |
|
| 901 |
params.status = HCI_SUCCESS; |
| 902 |
params.handle = HNDL(handle); |
| 903 |
params.reason = HCI_CONNECTION_TERMINATED; |
| 904 |
bt_hci_event(hci, EVT_DISCONN_COMPLETE, |
| 905 |
¶ms, EVT_DISCONN_COMPLETE_SIZE); |
| 906 |
} |
| 907 |
|
| 908 |
/* TODO: use only one function */
|
| 909 |
static void bt_hci_lmp_disconnect_host(struct bt_link_s *link) |
| 910 |
{
|
| 911 |
struct bt_hci_s *hci = hci_from_device(link->host);
|
| 912 |
uint16_t handle = link->handle; |
| 913 |
evt_disconn_complete params; |
| 914 |
|
| 915 |
bt_hci_lmp_link_teardown(hci, handle); |
| 916 |
|
| 917 |
params.status = HCI_SUCCESS; |
| 918 |
params.handle = HNDL(handle); |
| 919 |
params.reason = hci->device.reject_reason; |
| 920 |
bt_hci_event(hci, EVT_DISCONN_COMPLETE, |
| 921 |
¶ms, EVT_DISCONN_COMPLETE_SIZE); |
| 922 |
} |
| 923 |
|
| 924 |
static void bt_hci_lmp_disconnect_slave(struct bt_link_s *btlink) |
| 925 |
{
|
| 926 |
struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink; |
| 927 |
struct bt_hci_s *hci = hci_from_device(btlink->slave);
|
| 928 |
uint16_t handle = link->handle; |
| 929 |
evt_disconn_complete params; |
| 930 |
|
| 931 |
qemu_free(link); |
| 932 |
|
| 933 |
bt_hci_lmp_link_teardown(hci, handle); |
| 934 |
|
| 935 |
params.status = HCI_SUCCESS; |
| 936 |
params.handle = HNDL(handle); |
| 937 |
params.reason = hci->device.reject_reason; |
| 938 |
bt_hci_event(hci, EVT_DISCONN_COMPLETE, |
| 939 |
¶ms, EVT_DISCONN_COMPLETE_SIZE); |
| 940 |
} |
| 941 |
|
| 942 |
static int bt_hci_name_req(struct bt_hci_s *hci, bdaddr_t *bdaddr) |
| 943 |
{
|
| 944 |
struct bt_device_s *slave;
|
| 945 |
evt_remote_name_req_complete params; |
| 946 |
int len;
|
| 947 |
|
| 948 |
for (slave = hci->device.net->slave; slave; slave = slave->next)
|
| 949 |
if (slave->page_scan && !bacmp(&slave->bd_addr, bdaddr))
|
| 950 |
break;
|
| 951 |
if (!slave)
|
| 952 |
return -ENODEV;
|
| 953 |
|
| 954 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 955 |
|
| 956 |
params.status = HCI_SUCCESS; |
| 957 |
bacpy(¶ms.bdaddr, &slave->bd_addr); |
| 958 |
len = snprintf(params.name, sizeof(params.name),
|
| 959 |
"%s", slave->lmp_name ?: ""); |
| 960 |
memset(params.name + len, 0, sizeof(params.name) - len); |
| 961 |
bt_hci_event(hci, EVT_REMOTE_NAME_REQ_COMPLETE, |
| 962 |
¶ms, EVT_REMOTE_NAME_REQ_COMPLETE_SIZE); |
| 963 |
|
| 964 |
return 0; |
| 965 |
} |
| 966 |
|
| 967 |
static int bt_hci_features_req(struct bt_hci_s *hci, uint16_t handle) |
| 968 |
{
|
| 969 |
struct bt_device_s *slave;
|
| 970 |
evt_read_remote_features_complete params; |
| 971 |
|
| 972 |
if (bt_hci_handle_bad(hci, handle))
|
| 973 |
return -ENODEV;
|
| 974 |
|
| 975 |
slave = bt_hci_remote_dev(hci, handle); |
| 976 |
|
| 977 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 978 |
|
| 979 |
params.status = HCI_SUCCESS; |
| 980 |
params.handle = HNDL(handle); |
| 981 |
params.features[0] = (slave->lmp_caps >> 0) & 0xff; |
| 982 |
params.features[1] = (slave->lmp_caps >> 8) & 0xff; |
| 983 |
params.features[2] = (slave->lmp_caps >> 16) & 0xff; |
| 984 |
params.features[3] = (slave->lmp_caps >> 24) & 0xff; |
| 985 |
params.features[4] = (slave->lmp_caps >> 32) & 0xff; |
| 986 |
params.features[5] = (slave->lmp_caps >> 40) & 0xff; |
| 987 |
params.features[6] = (slave->lmp_caps >> 48) & 0xff; |
| 988 |
params.features[7] = (slave->lmp_caps >> 56) & 0xff; |
| 989 |
bt_hci_event(hci, EVT_READ_REMOTE_FEATURES_COMPLETE, |
| 990 |
¶ms, EVT_READ_REMOTE_FEATURES_COMPLETE_SIZE); |
| 991 |
|
| 992 |
return 0; |
| 993 |
} |
| 994 |
|
| 995 |
static int bt_hci_version_req(struct bt_hci_s *hci, uint16_t handle) |
| 996 |
{
|
| 997 |
evt_read_remote_version_complete params; |
| 998 |
|
| 999 |
if (bt_hci_handle_bad(hci, handle))
|
| 1000 |
return -ENODEV;
|
| 1001 |
|
| 1002 |
bt_hci_remote_dev(hci, handle); |
| 1003 |
|
| 1004 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1005 |
|
| 1006 |
params.status = HCI_SUCCESS; |
| 1007 |
params.handle = HNDL(handle); |
| 1008 |
params.lmp_ver = 0x03;
|
| 1009 |
params.manufacturer = cpu_to_le16(0xa000);
|
| 1010 |
params.lmp_subver = cpu_to_le16(0xa607);
|
| 1011 |
bt_hci_event(hci, EVT_READ_REMOTE_VERSION_COMPLETE, |
| 1012 |
¶ms, EVT_READ_REMOTE_VERSION_COMPLETE_SIZE); |
| 1013 |
|
| 1014 |
return 0; |
| 1015 |
} |
| 1016 |
|
| 1017 |
static int bt_hci_clkoffset_req(struct bt_hci_s *hci, uint16_t handle) |
| 1018 |
{
|
| 1019 |
struct bt_device_s *slave;
|
| 1020 |
evt_read_clock_offset_complete params; |
| 1021 |
|
| 1022 |
if (bt_hci_handle_bad(hci, handle))
|
| 1023 |
return -ENODEV;
|
| 1024 |
|
| 1025 |
slave = bt_hci_remote_dev(hci, handle); |
| 1026 |
|
| 1027 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1028 |
|
| 1029 |
params.status = HCI_SUCCESS; |
| 1030 |
params.handle = HNDL(handle); |
| 1031 |
/* TODO: return the clkoff *differenece* */
|
| 1032 |
params.clock_offset = slave->clkoff; /* Note: no swapping */
|
| 1033 |
bt_hci_event(hci, EVT_READ_CLOCK_OFFSET_COMPLETE, |
| 1034 |
¶ms, EVT_READ_CLOCK_OFFSET_COMPLETE_SIZE); |
| 1035 |
|
| 1036 |
return 0; |
| 1037 |
} |
| 1038 |
|
| 1039 |
static void bt_hci_event_mode(struct bt_hci_s *hci, struct bt_link_s *link, |
| 1040 |
uint16_t handle) |
| 1041 |
{
|
| 1042 |
evt_mode_change params = {
|
| 1043 |
.status = HCI_SUCCESS, |
| 1044 |
.handle = HNDL(handle), |
| 1045 |
.mode = link->acl_mode, |
| 1046 |
.interval = cpu_to_le16(link->acl_interval), |
| 1047 |
}; |
| 1048 |
|
| 1049 |
bt_hci_event(hci, EVT_MODE_CHANGE, ¶ms, EVT_MODE_CHANGE_SIZE); |
| 1050 |
} |
| 1051 |
|
| 1052 |
static void bt_hci_lmp_mode_change_master(struct bt_hci_s *hci, |
| 1053 |
struct bt_link_s *link, int mode, uint16_t interval) |
| 1054 |
{
|
| 1055 |
link->acl_mode = mode; |
| 1056 |
link->acl_interval = interval; |
| 1057 |
|
| 1058 |
bt_hci_event_mode(hci, link, link->handle); |
| 1059 |
|
| 1060 |
link->slave->lmp_mode_change(link); |
| 1061 |
} |
| 1062 |
|
| 1063 |
static void bt_hci_lmp_mode_change_slave(struct bt_link_s *btlink) |
| 1064 |
{
|
| 1065 |
struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink; |
| 1066 |
struct bt_hci_s *hci = hci_from_device(btlink->slave);
|
| 1067 |
|
| 1068 |
bt_hci_event_mode(hci, btlink, link->handle); |
| 1069 |
} |
| 1070 |
|
| 1071 |
static int bt_hci_mode_change(struct bt_hci_s *hci, uint16_t handle, |
| 1072 |
int interval, int mode) |
| 1073 |
{
|
| 1074 |
struct bt_hci_master_link_s *link;
|
| 1075 |
|
| 1076 |
if (bt_hci_handle_bad(hci, handle) || !bt_hci_role_master(hci, handle))
|
| 1077 |
return -ENODEV;
|
| 1078 |
|
| 1079 |
link = &hci->lm.handle[handle & ~HCI_HANDLE_OFFSET]; |
| 1080 |
if (link->link->acl_mode != acl_active) {
|
| 1081 |
bt_hci_event_status(hci, HCI_COMMAND_DISALLOWED); |
| 1082 |
return 0; |
| 1083 |
} |
| 1084 |
|
| 1085 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1086 |
|
| 1087 |
qemu_mod_timer(link->acl_mode_timer, qemu_get_clock_ns(vm_clock) + |
| 1088 |
muldiv64(interval * 625, get_ticks_per_sec(), 1000000)); |
| 1089 |
bt_hci_lmp_mode_change_master(hci, link->link, mode, interval); |
| 1090 |
|
| 1091 |
return 0; |
| 1092 |
} |
| 1093 |
|
| 1094 |
static int bt_hci_mode_cancel(struct bt_hci_s *hci, uint16_t handle, int mode) |
| 1095 |
{
|
| 1096 |
struct bt_hci_master_link_s *link;
|
| 1097 |
|
| 1098 |
if (bt_hci_handle_bad(hci, handle) || !bt_hci_role_master(hci, handle))
|
| 1099 |
return -ENODEV;
|
| 1100 |
|
| 1101 |
link = &hci->lm.handle[handle & ~HCI_HANDLE_OFFSET]; |
| 1102 |
if (link->link->acl_mode != mode) {
|
| 1103 |
bt_hci_event_status(hci, HCI_COMMAND_DISALLOWED); |
| 1104 |
|
| 1105 |
return 0; |
| 1106 |
} |
| 1107 |
|
| 1108 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1109 |
|
| 1110 |
qemu_del_timer(link->acl_mode_timer); |
| 1111 |
bt_hci_lmp_mode_change_master(hci, link->link, acl_active, 0);
|
| 1112 |
|
| 1113 |
return 0; |
| 1114 |
} |
| 1115 |
|
| 1116 |
static void bt_hci_mode_tick(void *opaque) |
| 1117 |
{
|
| 1118 |
struct bt_link_s *link = opaque;
|
| 1119 |
struct bt_hci_s *hci = hci_from_device(link->host);
|
| 1120 |
|
| 1121 |
bt_hci_lmp_mode_change_master(hci, link, acl_active, 0);
|
| 1122 |
} |
| 1123 |
|
| 1124 |
static void bt_hci_reset(struct bt_hci_s *hci) |
| 1125 |
{
|
| 1126 |
hci->acl_len = 0;
|
| 1127 |
hci->last_cmd = 0;
|
| 1128 |
hci->lm.connecting = 0;
|
| 1129 |
|
| 1130 |
hci->event_mask[0] = 0xff; |
| 1131 |
hci->event_mask[1] = 0xff; |
| 1132 |
hci->event_mask[2] = 0xff; |
| 1133 |
hci->event_mask[3] = 0xff; |
| 1134 |
hci->event_mask[4] = 0xff; |
| 1135 |
hci->event_mask[5] = 0x1f; |
| 1136 |
hci->event_mask[6] = 0x00; |
| 1137 |
hci->event_mask[7] = 0x00; |
| 1138 |
hci->device.inquiry_scan = 0;
|
| 1139 |
hci->device.page_scan = 0;
|
| 1140 |
if (hci->device.lmp_name)
|
| 1141 |
qemu_free((void *) hci->device.lmp_name);
|
| 1142 |
hci->device.lmp_name = NULL;
|
| 1143 |
hci->device.class[0] = 0x00; |
| 1144 |
hci->device.class[1] = 0x00; |
| 1145 |
hci->device.class[2] = 0x00; |
| 1146 |
hci->voice_setting = 0x0000;
|
| 1147 |
hci->conn_accept_tout = 0x1f40;
|
| 1148 |
hci->lm.inquiry_mode = 0x00;
|
| 1149 |
|
| 1150 |
hci->psb_handle = 0x000;
|
| 1151 |
hci->asb_handle = 0x000;
|
| 1152 |
|
| 1153 |
/* XXX: qemu_del_timer(sl->acl_mode_timer); for all links */
|
| 1154 |
qemu_del_timer(hci->lm.inquiry_done); |
| 1155 |
qemu_del_timer(hci->lm.inquiry_next); |
| 1156 |
qemu_del_timer(hci->conn_accept_timer); |
| 1157 |
} |
| 1158 |
|
| 1159 |
static void bt_hci_read_local_version_rp(struct bt_hci_s *hci) |
| 1160 |
{
|
| 1161 |
read_local_version_rp lv = {
|
| 1162 |
.status = HCI_SUCCESS, |
| 1163 |
.hci_ver = 0x03,
|
| 1164 |
.hci_rev = cpu_to_le16(0xa607),
|
| 1165 |
.lmp_ver = 0x03,
|
| 1166 |
.manufacturer = cpu_to_le16(0xa000),
|
| 1167 |
.lmp_subver = cpu_to_le16(0xa607),
|
| 1168 |
}; |
| 1169 |
|
| 1170 |
bt_hci_event_complete(hci, &lv, READ_LOCAL_VERSION_RP_SIZE); |
| 1171 |
} |
| 1172 |
|
| 1173 |
static void bt_hci_read_local_commands_rp(struct bt_hci_s *hci) |
| 1174 |
{
|
| 1175 |
read_local_commands_rp lc = {
|
| 1176 |
.status = HCI_SUCCESS, |
| 1177 |
.commands = {
|
| 1178 |
/* Keep updated! */
|
| 1179 |
/* Also, keep in sync with hci->device.lmp_caps in bt_new_hci */
|
| 1180 |
0xbf, 0x80, 0xf9, 0x03, 0xb2, 0xc0, 0x03, 0xc3, |
| 1181 |
0x00, 0x0f, 0x80, 0x00, 0xc0, 0x00, 0xe8, 0x13, |
| 1182 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 1183 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 1184 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 1185 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 1186 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 1187 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 1188 |
}, |
| 1189 |
}; |
| 1190 |
|
| 1191 |
bt_hci_event_complete(hci, &lc, READ_LOCAL_COMMANDS_RP_SIZE); |
| 1192 |
} |
| 1193 |
|
| 1194 |
static void bt_hci_read_local_features_rp(struct bt_hci_s *hci) |
| 1195 |
{
|
| 1196 |
read_local_features_rp lf = {
|
| 1197 |
.status = HCI_SUCCESS, |
| 1198 |
.features = {
|
| 1199 |
(hci->device.lmp_caps >> 0) & 0xff, |
| 1200 |
(hci->device.lmp_caps >> 8) & 0xff, |
| 1201 |
(hci->device.lmp_caps >> 16) & 0xff, |
| 1202 |
(hci->device.lmp_caps >> 24) & 0xff, |
| 1203 |
(hci->device.lmp_caps >> 32) & 0xff, |
| 1204 |
(hci->device.lmp_caps >> 40) & 0xff, |
| 1205 |
(hci->device.lmp_caps >> 48) & 0xff, |
| 1206 |
(hci->device.lmp_caps >> 56) & 0xff, |
| 1207 |
}, |
| 1208 |
}; |
| 1209 |
|
| 1210 |
bt_hci_event_complete(hci, &lf, READ_LOCAL_FEATURES_RP_SIZE); |
| 1211 |
} |
| 1212 |
|
| 1213 |
static void bt_hci_read_local_ext_features_rp(struct bt_hci_s *hci, int page) |
| 1214 |
{
|
| 1215 |
read_local_ext_features_rp lef = {
|
| 1216 |
.status = HCI_SUCCESS, |
| 1217 |
.page_num = page, |
| 1218 |
.max_page_num = 0x00,
|
| 1219 |
.features = {
|
| 1220 |
/* Keep updated! */
|
| 1221 |
0x5f, 0x35, 0x85, 0x7e, 0x9b, 0x19, 0x00, 0x80, |
| 1222 |
}, |
| 1223 |
}; |
| 1224 |
if (page)
|
| 1225 |
memset(lef.features, 0, sizeof(lef.features)); |
| 1226 |
|
| 1227 |
bt_hci_event_complete(hci, &lef, READ_LOCAL_EXT_FEATURES_RP_SIZE); |
| 1228 |
} |
| 1229 |
|
| 1230 |
static void bt_hci_read_buffer_size_rp(struct bt_hci_s *hci) |
| 1231 |
{
|
| 1232 |
read_buffer_size_rp bs = {
|
| 1233 |
/* This can be made configurable, for one standard USB dongle HCI
|
| 1234 |
* the four values are cpu_to_le16(0x0180), 0x40,
|
| 1235 |
* cpu_to_le16(0x0008), cpu_to_le16(0x0008). */
|
| 1236 |
.status = HCI_SUCCESS, |
| 1237 |
.acl_mtu = cpu_to_le16(0x0200),
|
| 1238 |
.sco_mtu = 0,
|
| 1239 |
.acl_max_pkt = cpu_to_le16(0x0001),
|
| 1240 |
.sco_max_pkt = cpu_to_le16(0x0000),
|
| 1241 |
}; |
| 1242 |
|
| 1243 |
bt_hci_event_complete(hci, &bs, READ_BUFFER_SIZE_RP_SIZE); |
| 1244 |
} |
| 1245 |
|
| 1246 |
/* Deprecated in V2.0 (page 661) */
|
| 1247 |
static void bt_hci_read_country_code_rp(struct bt_hci_s *hci) |
| 1248 |
{
|
| 1249 |
read_country_code_rp cc ={
|
| 1250 |
.status = HCI_SUCCESS, |
| 1251 |
.country_code = 0x00, /* North America & Europe^1 and Japan */ |
| 1252 |
}; |
| 1253 |
|
| 1254 |
bt_hci_event_complete(hci, &cc, READ_COUNTRY_CODE_RP_SIZE); |
| 1255 |
|
| 1256 |
/* ^1. Except France, sorry */
|
| 1257 |
} |
| 1258 |
|
| 1259 |
static void bt_hci_read_bd_addr_rp(struct bt_hci_s *hci) |
| 1260 |
{
|
| 1261 |
read_bd_addr_rp ba = {
|
| 1262 |
.status = HCI_SUCCESS, |
| 1263 |
.bdaddr = BAINIT(&hci->device.bd_addr), |
| 1264 |
}; |
| 1265 |
|
| 1266 |
bt_hci_event_complete(hci, &ba, READ_BD_ADDR_RP_SIZE); |
| 1267 |
} |
| 1268 |
|
| 1269 |
static int bt_hci_link_quality_rp(struct bt_hci_s *hci, uint16_t handle) |
| 1270 |
{
|
| 1271 |
read_link_quality_rp lq = {
|
| 1272 |
.status = HCI_SUCCESS, |
| 1273 |
.handle = HNDL(handle), |
| 1274 |
.link_quality = 0xff,
|
| 1275 |
}; |
| 1276 |
|
| 1277 |
if (bt_hci_handle_bad(hci, handle))
|
| 1278 |
lq.status = HCI_NO_CONNECTION; |
| 1279 |
|
| 1280 |
bt_hci_event_complete(hci, &lq, READ_LINK_QUALITY_RP_SIZE); |
| 1281 |
return 0; |
| 1282 |
} |
| 1283 |
|
| 1284 |
/* Generate a Command Complete event with only the Status parameter */
|
| 1285 |
static inline void bt_hci_event_complete_status(struct bt_hci_s *hci, |
| 1286 |
uint8_t status) |
| 1287 |
{
|
| 1288 |
bt_hci_event_complete(hci, &status, 1);
|
| 1289 |
} |
| 1290 |
|
| 1291 |
static inline void bt_hci_event_complete_conn_cancel(struct bt_hci_s *hci, |
| 1292 |
uint8_t status, bdaddr_t *bd_addr) |
| 1293 |
{
|
| 1294 |
create_conn_cancel_rp params = {
|
| 1295 |
.status = status, |
| 1296 |
.bdaddr = BAINIT(bd_addr), |
| 1297 |
}; |
| 1298 |
|
| 1299 |
bt_hci_event_complete(hci, ¶ms, CREATE_CONN_CANCEL_RP_SIZE); |
| 1300 |
} |
| 1301 |
|
| 1302 |
static inline void bt_hci_event_auth_complete(struct bt_hci_s *hci, |
| 1303 |
uint16_t handle) |
| 1304 |
{
|
| 1305 |
evt_auth_complete params = {
|
| 1306 |
.status = HCI_SUCCESS, |
| 1307 |
.handle = HNDL(handle), |
| 1308 |
}; |
| 1309 |
|
| 1310 |
bt_hci_event(hci, EVT_AUTH_COMPLETE, ¶ms, EVT_AUTH_COMPLETE_SIZE); |
| 1311 |
} |
| 1312 |
|
| 1313 |
static inline void bt_hci_event_encrypt_change(struct bt_hci_s *hci, |
| 1314 |
uint16_t handle, uint8_t mode) |
| 1315 |
{
|
| 1316 |
evt_encrypt_change params = {
|
| 1317 |
.status = HCI_SUCCESS, |
| 1318 |
.handle = HNDL(handle), |
| 1319 |
.encrypt = mode, |
| 1320 |
}; |
| 1321 |
|
| 1322 |
bt_hci_event(hci, EVT_ENCRYPT_CHANGE, ¶ms, EVT_ENCRYPT_CHANGE_SIZE); |
| 1323 |
} |
| 1324 |
|
| 1325 |
static inline void bt_hci_event_complete_name_cancel(struct bt_hci_s *hci, |
| 1326 |
bdaddr_t *bd_addr) |
| 1327 |
{
|
| 1328 |
remote_name_req_cancel_rp params = {
|
| 1329 |
.status = HCI_INVALID_PARAMETERS, |
| 1330 |
.bdaddr = BAINIT(bd_addr), |
| 1331 |
}; |
| 1332 |
|
| 1333 |
bt_hci_event_complete(hci, ¶ms, REMOTE_NAME_REQ_CANCEL_RP_SIZE); |
| 1334 |
} |
| 1335 |
|
| 1336 |
static inline void bt_hci_event_read_remote_ext_features(struct bt_hci_s *hci, |
| 1337 |
uint16_t handle) |
| 1338 |
{
|
| 1339 |
evt_read_remote_ext_features_complete params = {
|
| 1340 |
.status = HCI_UNSUPPORTED_FEATURE, |
| 1341 |
.handle = HNDL(handle), |
| 1342 |
/* Rest uninitialised */
|
| 1343 |
}; |
| 1344 |
|
| 1345 |
bt_hci_event(hci, EVT_READ_REMOTE_EXT_FEATURES_COMPLETE, |
| 1346 |
¶ms, EVT_READ_REMOTE_EXT_FEATURES_COMPLETE_SIZE); |
| 1347 |
} |
| 1348 |
|
| 1349 |
static inline void bt_hci_event_complete_lmp_handle(struct bt_hci_s *hci, |
| 1350 |
uint16_t handle) |
| 1351 |
{
|
| 1352 |
read_lmp_handle_rp params = {
|
| 1353 |
.status = HCI_NO_CONNECTION, |
| 1354 |
.handle = HNDL(handle), |
| 1355 |
.reserved = 0,
|
| 1356 |
/* Rest uninitialised */
|
| 1357 |
}; |
| 1358 |
|
| 1359 |
bt_hci_event_complete(hci, ¶ms, READ_LMP_HANDLE_RP_SIZE); |
| 1360 |
} |
| 1361 |
|
| 1362 |
static inline void bt_hci_event_complete_role_discovery(struct bt_hci_s *hci, |
| 1363 |
int status, uint16_t handle, int master) |
| 1364 |
{
|
| 1365 |
role_discovery_rp params = {
|
| 1366 |
.status = status, |
| 1367 |
.handle = HNDL(handle), |
| 1368 |
.role = master ? 0x00 : 0x01, |
| 1369 |
}; |
| 1370 |
|
| 1371 |
bt_hci_event_complete(hci, ¶ms, ROLE_DISCOVERY_RP_SIZE); |
| 1372 |
} |
| 1373 |
|
| 1374 |
static inline void bt_hci_event_complete_flush(struct bt_hci_s *hci, |
| 1375 |
int status, uint16_t handle)
|
| 1376 |
{
|
| 1377 |
flush_rp params = {
|
| 1378 |
.status = status, |
| 1379 |
.handle = HNDL(handle), |
| 1380 |
}; |
| 1381 |
|
| 1382 |
bt_hci_event_complete(hci, ¶ms, FLUSH_RP_SIZE); |
| 1383 |
} |
| 1384 |
|
| 1385 |
static inline void bt_hci_event_complete_read_local_name(struct bt_hci_s *hci) |
| 1386 |
{
|
| 1387 |
read_local_name_rp params; |
| 1388 |
params.status = HCI_SUCCESS; |
| 1389 |
memset(params.name, 0, sizeof(params.name)); |
| 1390 |
if (hci->device.lmp_name)
|
| 1391 |
strncpy(params.name, hci->device.lmp_name, sizeof(params.name));
|
| 1392 |
|
| 1393 |
bt_hci_event_complete(hci, ¶ms, READ_LOCAL_NAME_RP_SIZE); |
| 1394 |
} |
| 1395 |
|
| 1396 |
static inline void bt_hci_event_complete_read_conn_accept_timeout( |
| 1397 |
struct bt_hci_s *hci)
|
| 1398 |
{
|
| 1399 |
read_conn_accept_timeout_rp params = {
|
| 1400 |
.status = HCI_SUCCESS, |
| 1401 |
.timeout = cpu_to_le16(hci->conn_accept_tout), |
| 1402 |
}; |
| 1403 |
|
| 1404 |
bt_hci_event_complete(hci, ¶ms, READ_CONN_ACCEPT_TIMEOUT_RP_SIZE); |
| 1405 |
} |
| 1406 |
|
| 1407 |
static inline void bt_hci_event_complete_read_scan_enable(struct bt_hci_s *hci) |
| 1408 |
{
|
| 1409 |
read_scan_enable_rp params = {
|
| 1410 |
.status = HCI_SUCCESS, |
| 1411 |
.enable = |
| 1412 |
(hci->device.inquiry_scan ? SCAN_INQUIRY : 0) |
|
| 1413 |
(hci->device.page_scan ? SCAN_PAGE : 0),
|
| 1414 |
}; |
| 1415 |
|
| 1416 |
bt_hci_event_complete(hci, ¶ms, READ_SCAN_ENABLE_RP_SIZE); |
| 1417 |
} |
| 1418 |
|
| 1419 |
static inline void bt_hci_event_complete_read_local_class(struct bt_hci_s *hci) |
| 1420 |
{
|
| 1421 |
read_class_of_dev_rp params; |
| 1422 |
|
| 1423 |
params.status = HCI_SUCCESS; |
| 1424 |
memcpy(params.dev_class, hci->device.class, sizeof(params.dev_class));
|
| 1425 |
|
| 1426 |
bt_hci_event_complete(hci, ¶ms, READ_CLASS_OF_DEV_RP_SIZE); |
| 1427 |
} |
| 1428 |
|
| 1429 |
static inline void bt_hci_event_complete_voice_setting(struct bt_hci_s *hci) |
| 1430 |
{
|
| 1431 |
read_voice_setting_rp params = {
|
| 1432 |
.status = HCI_SUCCESS, |
| 1433 |
.voice_setting = hci->voice_setting, /* Note: no swapping */
|
| 1434 |
}; |
| 1435 |
|
| 1436 |
bt_hci_event_complete(hci, ¶ms, READ_VOICE_SETTING_RP_SIZE); |
| 1437 |
} |
| 1438 |
|
| 1439 |
static inline void bt_hci_event_complete_read_inquiry_mode( |
| 1440 |
struct bt_hci_s *hci)
|
| 1441 |
{
|
| 1442 |
read_inquiry_mode_rp params = {
|
| 1443 |
.status = HCI_SUCCESS, |
| 1444 |
.mode = hci->lm.inquiry_mode, |
| 1445 |
}; |
| 1446 |
|
| 1447 |
bt_hci_event_complete(hci, ¶ms, READ_INQUIRY_MODE_RP_SIZE); |
| 1448 |
} |
| 1449 |
|
| 1450 |
static inline void bt_hci_event_num_comp_pkts(struct bt_hci_s *hci, |
| 1451 |
uint16_t handle, int packets)
|
| 1452 |
{
|
| 1453 |
uint16_t buf[EVT_NUM_COMP_PKTS_SIZE(1) / 2 + 1]; |
| 1454 |
evt_num_comp_pkts *params = (void *) ((uint8_t *) buf + 1); |
| 1455 |
|
| 1456 |
params->num_hndl = 1;
|
| 1457 |
params->connection->handle = HNDL(handle); |
| 1458 |
params->connection->num_packets = cpu_to_le16(packets); |
| 1459 |
|
| 1460 |
bt_hci_event(hci, EVT_NUM_COMP_PKTS, params, EVT_NUM_COMP_PKTS_SIZE(1));
|
| 1461 |
} |
| 1462 |
|
| 1463 |
static void bt_submit_hci(struct HCIInfo *info, |
| 1464 |
const uint8_t *data, int length) |
| 1465 |
{
|
| 1466 |
struct bt_hci_s *hci = hci_from_info(info);
|
| 1467 |
uint16_t cmd; |
| 1468 |
int paramlen, i;
|
| 1469 |
|
| 1470 |
if (length < HCI_COMMAND_HDR_SIZE)
|
| 1471 |
goto short_hci;
|
| 1472 |
|
| 1473 |
memcpy(&hci->last_cmd, data, 2);
|
| 1474 |
|
| 1475 |
cmd = (data[1] << 8) | data[0]; |
| 1476 |
paramlen = data[2];
|
| 1477 |
if (cmd_opcode_ogf(cmd) == 0 || cmd_opcode_ocf(cmd) == 0) /* NOP */ |
| 1478 |
return;
|
| 1479 |
|
| 1480 |
data += HCI_COMMAND_HDR_SIZE; |
| 1481 |
length -= HCI_COMMAND_HDR_SIZE; |
| 1482 |
|
| 1483 |
if (paramlen > length)
|
| 1484 |
return;
|
| 1485 |
|
| 1486 |
#define PARAM(cmd, param) (((cmd##_cp *) data)->param) |
| 1487 |
#define PARAM16(cmd, param) le16_to_cpup(&PARAM(cmd, param))
|
| 1488 |
#define PARAMHANDLE(cmd) HNDL(PARAM(cmd, handle))
|
| 1489 |
#define LENGTH_CHECK(cmd) if (length < sizeof(cmd##_cp)) goto short_hci |
| 1490 |
/* Note: the supported commands bitmask in bt_hci_read_local_commands_rp
|
| 1491 |
* needs to be updated every time a command is implemented here! */
|
| 1492 |
switch (cmd) {
|
| 1493 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_INQUIRY):
|
| 1494 |
LENGTH_CHECK(inquiry); |
| 1495 |
|
| 1496 |
if (PARAM(inquiry, length) < 1) { |
| 1497 |
bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
| 1498 |
break;
|
| 1499 |
} |
| 1500 |
|
| 1501 |
hci->lm.inquire = 1;
|
| 1502 |
hci->lm.periodic = 0;
|
| 1503 |
hci->lm.responses_left = PARAM(inquiry, num_rsp) ?: INT_MAX; |
| 1504 |
hci->lm.responses = 0;
|
| 1505 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1506 |
bt_hci_inquiry_start(hci, PARAM(inquiry, length)); |
| 1507 |
break;
|
| 1508 |
|
| 1509 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_INQUIRY_CANCEL):
|
| 1510 |
if (!hci->lm.inquire || hci->lm.periodic) {
|
| 1511 |
fprintf(stderr, "%s: Inquiry Cancel should only be issued after "
|
| 1512 |
"the Inquiry command has been issued, a Command "
|
| 1513 |
"Status event has been received for the Inquiry "
|
| 1514 |
"command, and before the Inquiry Complete event "
|
| 1515 |
"occurs", __FUNCTION__);
|
| 1516 |
bt_hci_event_complete_status(hci, HCI_COMMAND_DISALLOWED); |
| 1517 |
break;
|
| 1518 |
} |
| 1519 |
|
| 1520 |
hci->lm.inquire = 0;
|
| 1521 |
qemu_del_timer(hci->lm.inquiry_done); |
| 1522 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1523 |
break;
|
| 1524 |
|
| 1525 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_PERIODIC_INQUIRY):
|
| 1526 |
LENGTH_CHECK(periodic_inquiry); |
| 1527 |
|
| 1528 |
if (!(PARAM(periodic_inquiry, length) <
|
| 1529 |
PARAM16(periodic_inquiry, min_period) && |
| 1530 |
PARAM16(periodic_inquiry, min_period) < |
| 1531 |
PARAM16(periodic_inquiry, max_period)) || |
| 1532 |
PARAM(periodic_inquiry, length) < 1 ||
|
| 1533 |
PARAM16(periodic_inquiry, min_period) < 2 ||
|
| 1534 |
PARAM16(periodic_inquiry, max_period) < 3) {
|
| 1535 |
bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
| 1536 |
break;
|
| 1537 |
} |
| 1538 |
|
| 1539 |
hci->lm.inquire = 1;
|
| 1540 |
hci->lm.periodic = 1;
|
| 1541 |
hci->lm.responses_left = PARAM(periodic_inquiry, num_rsp); |
| 1542 |
hci->lm.responses = 0;
|
| 1543 |
hci->lm.inquiry_period = PARAM16(periodic_inquiry, max_period); |
| 1544 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1545 |
bt_hci_inquiry_start(hci, PARAM(periodic_inquiry, length)); |
| 1546 |
break;
|
| 1547 |
|
| 1548 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_EXIT_PERIODIC_INQUIRY):
|
| 1549 |
if (!hci->lm.inquire || !hci->lm.periodic) {
|
| 1550 |
fprintf(stderr, "%s: Inquiry Cancel should only be issued after "
|
| 1551 |
"the Inquiry command has been issued, a Command "
|
| 1552 |
"Status event has been received for the Inquiry "
|
| 1553 |
"command, and before the Inquiry Complete event "
|
| 1554 |
"occurs", __FUNCTION__);
|
| 1555 |
bt_hci_event_complete_status(hci, HCI_COMMAND_DISALLOWED); |
| 1556 |
break;
|
| 1557 |
} |
| 1558 |
hci->lm.inquire = 0;
|
| 1559 |
qemu_del_timer(hci->lm.inquiry_done); |
| 1560 |
qemu_del_timer(hci->lm.inquiry_next); |
| 1561 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1562 |
break;
|
| 1563 |
|
| 1564 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_CREATE_CONN):
|
| 1565 |
LENGTH_CHECK(create_conn); |
| 1566 |
|
| 1567 |
if (hci->lm.connecting >= HCI_HANDLES_MAX) {
|
| 1568 |
bt_hci_event_status(hci, HCI_REJECTED_LIMITED_RESOURCES); |
| 1569 |
break;
|
| 1570 |
} |
| 1571 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1572 |
|
| 1573 |
if (bt_hci_connect(hci, &PARAM(create_conn, bdaddr)))
|
| 1574 |
bt_hci_connection_reject_event(hci, &PARAM(create_conn, bdaddr)); |
| 1575 |
break;
|
| 1576 |
|
| 1577 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_DISCONNECT):
|
| 1578 |
LENGTH_CHECK(disconnect); |
| 1579 |
|
| 1580 |
if (bt_hci_handle_bad(hci, PARAMHANDLE(disconnect))) {
|
| 1581 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1582 |
break;
|
| 1583 |
} |
| 1584 |
|
| 1585 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1586 |
bt_hci_disconnect(hci, PARAMHANDLE(disconnect), |
| 1587 |
PARAM(disconnect, reason)); |
| 1588 |
break;
|
| 1589 |
|
| 1590 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_CREATE_CONN_CANCEL):
|
| 1591 |
LENGTH_CHECK(create_conn_cancel); |
| 1592 |
|
| 1593 |
if (bt_hci_lmp_connection_ready(hci,
|
| 1594 |
&PARAM(create_conn_cancel, bdaddr))) {
|
| 1595 |
for (i = 0; i < HCI_HANDLES_MAX; i ++) |
| 1596 |
if (bt_hci_role_master(hci, i) && hci->lm.handle[i].link &&
|
| 1597 |
!bacmp(&hci->lm.handle[i].link->slave->bd_addr, |
| 1598 |
&PARAM(create_conn_cancel, bdaddr))) |
| 1599 |
break;
|
| 1600 |
|
| 1601 |
bt_hci_event_complete_conn_cancel(hci, i < HCI_HANDLES_MAX ? |
| 1602 |
HCI_ACL_CONNECTION_EXISTS : HCI_NO_CONNECTION, |
| 1603 |
&PARAM(create_conn_cancel, bdaddr)); |
| 1604 |
} else
|
| 1605 |
bt_hci_event_complete_conn_cancel(hci, HCI_SUCCESS, |
| 1606 |
&PARAM(create_conn_cancel, bdaddr)); |
| 1607 |
break;
|
| 1608 |
|
| 1609 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_ACCEPT_CONN_REQ):
|
| 1610 |
LENGTH_CHECK(accept_conn_req); |
| 1611 |
|
| 1612 |
if (!hci->conn_req_host ||
|
| 1613 |
bacmp(&PARAM(accept_conn_req, bdaddr), |
| 1614 |
&hci->conn_req_host->bd_addr)) {
|
| 1615 |
bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
| 1616 |
break;
|
| 1617 |
} |
| 1618 |
|
| 1619 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1620 |
bt_hci_connection_accept(hci, hci->conn_req_host); |
| 1621 |
hci->conn_req_host = NULL;
|
| 1622 |
break;
|
| 1623 |
|
| 1624 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_REJECT_CONN_REQ):
|
| 1625 |
LENGTH_CHECK(reject_conn_req); |
| 1626 |
|
| 1627 |
if (!hci->conn_req_host ||
|
| 1628 |
bacmp(&PARAM(reject_conn_req, bdaddr), |
| 1629 |
&hci->conn_req_host->bd_addr)) {
|
| 1630 |
bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
| 1631 |
break;
|
| 1632 |
} |
| 1633 |
|
| 1634 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1635 |
bt_hci_connection_reject(hci, hci->conn_req_host, |
| 1636 |
PARAM(reject_conn_req, reason)); |
| 1637 |
bt_hci_connection_reject_event(hci, &hci->conn_req_host->bd_addr); |
| 1638 |
hci->conn_req_host = NULL;
|
| 1639 |
break;
|
| 1640 |
|
| 1641 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_AUTH_REQUESTED):
|
| 1642 |
LENGTH_CHECK(auth_requested); |
| 1643 |
|
| 1644 |
if (bt_hci_handle_bad(hci, PARAMHANDLE(auth_requested)))
|
| 1645 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1646 |
else {
|
| 1647 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1648 |
bt_hci_event_auth_complete(hci, PARAMHANDLE(auth_requested)); |
| 1649 |
} |
| 1650 |
break;
|
| 1651 |
|
| 1652 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_SET_CONN_ENCRYPT):
|
| 1653 |
LENGTH_CHECK(set_conn_encrypt); |
| 1654 |
|
| 1655 |
if (bt_hci_handle_bad(hci, PARAMHANDLE(set_conn_encrypt)))
|
| 1656 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1657 |
else {
|
| 1658 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1659 |
bt_hci_event_encrypt_change(hci, |
| 1660 |
PARAMHANDLE(set_conn_encrypt), |
| 1661 |
PARAM(set_conn_encrypt, encrypt)); |
| 1662 |
} |
| 1663 |
break;
|
| 1664 |
|
| 1665 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_REMOTE_NAME_REQ):
|
| 1666 |
LENGTH_CHECK(remote_name_req); |
| 1667 |
|
| 1668 |
if (bt_hci_name_req(hci, &PARAM(remote_name_req, bdaddr)))
|
| 1669 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1670 |
break;
|
| 1671 |
|
| 1672 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_REMOTE_NAME_REQ_CANCEL):
|
| 1673 |
LENGTH_CHECK(remote_name_req_cancel); |
| 1674 |
|
| 1675 |
bt_hci_event_complete_name_cancel(hci, |
| 1676 |
&PARAM(remote_name_req_cancel, bdaddr)); |
| 1677 |
break;
|
| 1678 |
|
| 1679 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_FEATURES):
|
| 1680 |
LENGTH_CHECK(read_remote_features); |
| 1681 |
|
| 1682 |
if (bt_hci_features_req(hci, PARAMHANDLE(read_remote_features)))
|
| 1683 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1684 |
break;
|
| 1685 |
|
| 1686 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_EXT_FEATURES):
|
| 1687 |
LENGTH_CHECK(read_remote_ext_features); |
| 1688 |
|
| 1689 |
if (bt_hci_handle_bad(hci, PARAMHANDLE(read_remote_ext_features)))
|
| 1690 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1691 |
else {
|
| 1692 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1693 |
bt_hci_event_read_remote_ext_features(hci, |
| 1694 |
PARAMHANDLE(read_remote_ext_features)); |
| 1695 |
} |
| 1696 |
break;
|
| 1697 |
|
| 1698 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_VERSION):
|
| 1699 |
LENGTH_CHECK(read_remote_version); |
| 1700 |
|
| 1701 |
if (bt_hci_version_req(hci, PARAMHANDLE(read_remote_version)))
|
| 1702 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1703 |
break;
|
| 1704 |
|
| 1705 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_CLOCK_OFFSET):
|
| 1706 |
LENGTH_CHECK(read_clock_offset); |
| 1707 |
|
| 1708 |
if (bt_hci_clkoffset_req(hci, PARAMHANDLE(read_clock_offset)))
|
| 1709 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1710 |
break;
|
| 1711 |
|
| 1712 |
case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_LMP_HANDLE):
|
| 1713 |
LENGTH_CHECK(read_lmp_handle); |
| 1714 |
|
| 1715 |
/* TODO: */
|
| 1716 |
bt_hci_event_complete_lmp_handle(hci, PARAMHANDLE(read_lmp_handle)); |
| 1717 |
break;
|
| 1718 |
|
| 1719 |
case cmd_opcode_pack(OGF_LINK_POLICY, OCF_HOLD_MODE):
|
| 1720 |
LENGTH_CHECK(hold_mode); |
| 1721 |
|
| 1722 |
if (PARAM16(hold_mode, min_interval) >
|
| 1723 |
PARAM16(hold_mode, max_interval) || |
| 1724 |
PARAM16(hold_mode, min_interval) < 0x0002 ||
|
| 1725 |
PARAM16(hold_mode, max_interval) > 0xff00 ||
|
| 1726 |
(PARAM16(hold_mode, min_interval) & 1) ||
|
| 1727 |
(PARAM16(hold_mode, max_interval) & 1)) {
|
| 1728 |
bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
| 1729 |
break;
|
| 1730 |
} |
| 1731 |
|
| 1732 |
if (bt_hci_mode_change(hci, PARAMHANDLE(hold_mode),
|
| 1733 |
PARAM16(hold_mode, max_interval), |
| 1734 |
acl_hold)) |
| 1735 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1736 |
break;
|
| 1737 |
|
| 1738 |
case cmd_opcode_pack(OGF_LINK_POLICY, OCF_PARK_MODE):
|
| 1739 |
LENGTH_CHECK(park_mode); |
| 1740 |
|
| 1741 |
if (PARAM16(park_mode, min_interval) >
|
| 1742 |
PARAM16(park_mode, max_interval) || |
| 1743 |
PARAM16(park_mode, min_interval) < 0x000e ||
|
| 1744 |
(PARAM16(park_mode, min_interval) & 1) ||
|
| 1745 |
(PARAM16(park_mode, max_interval) & 1)) {
|
| 1746 |
bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
| 1747 |
break;
|
| 1748 |
} |
| 1749 |
|
| 1750 |
if (bt_hci_mode_change(hci, PARAMHANDLE(park_mode),
|
| 1751 |
PARAM16(park_mode, max_interval), |
| 1752 |
acl_parked)) |
| 1753 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1754 |
break;
|
| 1755 |
|
| 1756 |
case cmd_opcode_pack(OGF_LINK_POLICY, OCF_EXIT_PARK_MODE):
|
| 1757 |
LENGTH_CHECK(exit_park_mode); |
| 1758 |
|
| 1759 |
if (bt_hci_mode_cancel(hci, PARAMHANDLE(exit_park_mode),
|
| 1760 |
acl_parked)) |
| 1761 |
bt_hci_event_status(hci, HCI_NO_CONNECTION); |
| 1762 |
break;
|
| 1763 |
|
| 1764 |
case cmd_opcode_pack(OGF_LINK_POLICY, OCF_ROLE_DISCOVERY):
|
| 1765 |
LENGTH_CHECK(role_discovery); |
| 1766 |
|
| 1767 |
if (bt_hci_handle_bad(hci, PARAMHANDLE(role_discovery)))
|
| 1768 |
bt_hci_event_complete_role_discovery(hci, |
| 1769 |
HCI_NO_CONNECTION, PARAMHANDLE(role_discovery), 0);
|
| 1770 |
else
|
| 1771 |
bt_hci_event_complete_role_discovery(hci, |
| 1772 |
HCI_SUCCESS, PARAMHANDLE(role_discovery), |
| 1773 |
bt_hci_role_master(hci, |
| 1774 |
PARAMHANDLE(role_discovery))); |
| 1775 |
break;
|
| 1776 |
|
| 1777 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_SET_EVENT_MASK):
|
| 1778 |
LENGTH_CHECK(set_event_mask); |
| 1779 |
|
| 1780 |
memcpy(hci->event_mask, PARAM(set_event_mask, mask), 8);
|
| 1781 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1782 |
break;
|
| 1783 |
|
| 1784 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_RESET):
|
| 1785 |
bt_hci_reset(hci); |
| 1786 |
bt_hci_event_status(hci, HCI_SUCCESS); |
| 1787 |
break;
|
| 1788 |
|
| 1789 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_SET_EVENT_FLT):
|
| 1790 |
if (length >= 1 && PARAM(set_event_flt, flt_type) == FLT_CLEAR_ALL) |
| 1791 |
/* No length check */;
|
| 1792 |
else
|
| 1793 |
LENGTH_CHECK(set_event_flt); |
| 1794 |
|
| 1795 |
/* Filters are not implemented */
|
| 1796 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1797 |
break;
|
| 1798 |
|
| 1799 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_FLUSH):
|
| 1800 |
LENGTH_CHECK(flush); |
| 1801 |
|
| 1802 |
if (bt_hci_handle_bad(hci, PARAMHANDLE(flush)))
|
| 1803 |
bt_hci_event_complete_flush(hci, |
| 1804 |
HCI_NO_CONNECTION, PARAMHANDLE(flush)); |
| 1805 |
else {
|
| 1806 |
/* TODO: ordering? */
|
| 1807 |
bt_hci_event(hci, EVT_FLUSH_OCCURRED, |
| 1808 |
&PARAM(flush, handle), |
| 1809 |
EVT_FLUSH_OCCURRED_SIZE); |
| 1810 |
bt_hci_event_complete_flush(hci, |
| 1811 |
HCI_SUCCESS, PARAMHANDLE(flush)); |
| 1812 |
} |
| 1813 |
break;
|
| 1814 |
|
| 1815 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_CHANGE_LOCAL_NAME):
|
| 1816 |
LENGTH_CHECK(change_local_name); |
| 1817 |
|
| 1818 |
if (hci->device.lmp_name)
|
| 1819 |
qemu_free((void *) hci->device.lmp_name);
|
| 1820 |
hci->device.lmp_name = qemu_strndup(PARAM(change_local_name, name), |
| 1821 |
sizeof(PARAM(change_local_name, name)));
|
| 1822 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1823 |
break;
|
| 1824 |
|
| 1825 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_LOCAL_NAME):
|
| 1826 |
bt_hci_event_complete_read_local_name(hci); |
| 1827 |
break;
|
| 1828 |
|
| 1829 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_CONN_ACCEPT_TIMEOUT):
|
| 1830 |
bt_hci_event_complete_read_conn_accept_timeout(hci); |
| 1831 |
break;
|
| 1832 |
|
| 1833 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_CONN_ACCEPT_TIMEOUT):
|
| 1834 |
/* TODO */
|
| 1835 |
LENGTH_CHECK(write_conn_accept_timeout); |
| 1836 |
|
| 1837 |
if (PARAM16(write_conn_accept_timeout, timeout) < 0x0001 || |
| 1838 |
PARAM16(write_conn_accept_timeout, timeout) > 0xb540) {
|
| 1839 |
bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
| 1840 |
break;
|
| 1841 |
} |
| 1842 |
|
| 1843 |
hci->conn_accept_tout = PARAM16(write_conn_accept_timeout, timeout); |
| 1844 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1845 |
break;
|
| 1846 |
|
| 1847 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_SCAN_ENABLE):
|
| 1848 |
bt_hci_event_complete_read_scan_enable(hci); |
| 1849 |
break;
|
| 1850 |
|
| 1851 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE):
|
| 1852 |
LENGTH_CHECK(write_scan_enable); |
| 1853 |
|
| 1854 |
/* TODO: check that the remaining bits are all 0 */
|
| 1855 |
hci->device.inquiry_scan = |
| 1856 |
!!(PARAM(write_scan_enable, scan_enable) & SCAN_INQUIRY); |
| 1857 |
hci->device.page_scan = |
| 1858 |
!!(PARAM(write_scan_enable, scan_enable) & SCAN_PAGE); |
| 1859 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1860 |
break;
|
| 1861 |
|
| 1862 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_CLASS_OF_DEV):
|
| 1863 |
bt_hci_event_complete_read_local_class(hci); |
| 1864 |
break;
|
| 1865 |
|
| 1866 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_CLASS_OF_DEV):
|
| 1867 |
LENGTH_CHECK(write_class_of_dev); |
| 1868 |
|
| 1869 |
memcpy(hci->device.class, PARAM(write_class_of_dev, dev_class), |
| 1870 |
sizeof(PARAM(write_class_of_dev, dev_class)));
|
| 1871 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1872 |
break;
|
| 1873 |
|
| 1874 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_VOICE_SETTING):
|
| 1875 |
bt_hci_event_complete_voice_setting(hci); |
| 1876 |
break;
|
| 1877 |
|
| 1878 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_VOICE_SETTING):
|
| 1879 |
LENGTH_CHECK(write_voice_setting); |
| 1880 |
|
| 1881 |
hci->voice_setting = PARAM(write_voice_setting, voice_setting); |
| 1882 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1883 |
break;
|
| 1884 |
|
| 1885 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_HOST_NUMBER_OF_COMPLETED_PACKETS):
|
| 1886 |
if (length < data[0] * 2 + 1) |
| 1887 |
goto short_hci;
|
| 1888 |
|
| 1889 |
for (i = 0; i < data[0]; i ++) |
| 1890 |
if (bt_hci_handle_bad(hci,
|
| 1891 |
data[i * 2 + 1] | (data[i * 2 + 2] << 8))) |
| 1892 |
bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
| 1893 |
break;
|
| 1894 |
|
| 1895 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_INQUIRY_MODE):
|
| 1896 |
/* Only if (local_features[3] & 0x40) && (local_commands[12] & 0x40)
|
| 1897 |
* else
|
| 1898 |
* goto unknown_command */
|
| 1899 |
bt_hci_event_complete_read_inquiry_mode(hci); |
| 1900 |
break;
|
| 1901 |
|
| 1902 |
case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_INQUIRY_MODE):
|
| 1903 |
/* Only if (local_features[3] & 0x40) && (local_commands[12] & 0x80)
|
| 1904 |
* else
|
| 1905 |
* goto unknown_command */
|
| 1906 |
LENGTH_CHECK(write_inquiry_mode); |
| 1907 |
|
| 1908 |
if (PARAM(write_inquiry_mode, mode) > 0x01) { |
| 1909 |
bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
| 1910 |
break;
|
| 1911 |
} |
| 1912 |
|
| 1913 |
hci->lm.inquiry_mode = PARAM(write_inquiry_mode, mode); |
| 1914 |
bt_hci_event_complete_status(hci, HCI_SUCCESS); |
| 1915 |
break;
|
| 1916 |
|
| 1917 |
case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_VERSION):
|
| 1918 |
bt_hci_read_local_version_rp(hci); |
| 1919 |
break;
|
| 1920 |
|
| 1921 |
case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_COMMANDS):
|
| 1922 |
bt_hci_read_local_commands_rp(hci); |
| 1923 |
break;
|
| 1924 |
|
| 1925 |
case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_FEATURES):
|
| 1926 |
bt_hci_read_local_features_rp(hci); |
| 1927 |
break;
|
| 1928 |
|
| 1929 |
case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_EXT_FEATURES):
|
| 1930 |
LENGTH_CHECK(read_local_ext_features); |
| 1931 |
|
| 1932 |
bt_hci_read_local_ext_features_rp(hci, |
| 1933 |
PARAM(read_local_ext_features, page_num)); |
| 1934 |
break;
|
| 1935 |
|
| 1936 |
case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_BUFFER_SIZE):
|
| 1937 |
bt_hci_read_buffer_size_rp(hci); |
| 1938 |
break;
|
| 1939 |
|
| 1940 |
case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_COUNTRY_CODE):
|
| 1941 |
bt_hci_read_country_code_rp(hci); |
| 1942 |
break;
|
| 1943 |
|
| 1944 |
case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_BD_ADDR):
|
| 1945 |
bt_hci_read_bd_addr_rp(hci); |
| 1946 |
break;
|
| 1947 |
|
| 1948 |
case cmd_opcode_pack(OGF_STATUS_PARAM, OCF_READ_LINK_QUALITY):
|
| 1949 |
LENGTH_CHECK(read_link_quality); |
| 1950 |
|
| 1951 |
bt_hci_link_quality_rp(hci, PARAMHANDLE(read_link_quality)); |
| 1952 |
break;
|
| 1953 |
|
| 1954 |
default:
|
| 1955 |
bt_hci_event_status(hci, HCI_UNKNOWN_COMMAND); |
| 1956 |
break;
|
| 1957 |
|
| 1958 |
short_hci:
|
| 1959 |
fprintf(stderr, "%s: HCI packet too short (%iB)\n",
|
| 1960 |
__FUNCTION__, length); |
| 1961 |
bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
| 1962 |
break;
|
| 1963 |
} |
| 1964 |
} |
| 1965 |
|
| 1966 |
/* We could perform fragmentation here, we can't do "recombination" because
|
| 1967 |
* at this layer the length of the payload is not know ahead, so we only
|
| 1968 |
* know that a packet contained the last fragment of the SDU when the next
|
| 1969 |
* SDU starts. */
|
| 1970 |
static inline void bt_hci_lmp_acl_data(struct bt_hci_s *hci, uint16_t handle, |
| 1971 |
const uint8_t *data, int start, int len) |
| 1972 |
{
|
| 1973 |
struct hci_acl_hdr *pkt = (void *) hci->acl_buf; |
| 1974 |
|
| 1975 |
/* TODO: packet flags */
|
| 1976 |
/* TODO: avoid memcpy'ing */
|
| 1977 |
|
| 1978 |
if (len + HCI_ACL_HDR_SIZE > sizeof(hci->acl_buf)) { |
| 1979 |
fprintf(stderr, "%s: can't take ACL packets %i bytes long\n",
|
| 1980 |
__FUNCTION__, len); |
| 1981 |
return;
|
| 1982 |
} |
| 1983 |
memcpy(hci->acl_buf + HCI_ACL_HDR_SIZE, data, len); |
| 1984 |
|
| 1985 |
pkt->handle = cpu_to_le16( |
| 1986 |
acl_handle_pack(handle, start ? ACL_START : ACL_CONT)); |
| 1987 |
pkt->dlen = cpu_to_le16(len); |
| 1988 |
hci->info.acl_recv(hci->info.opaque, |
| 1989 |
hci->acl_buf, len + HCI_ACL_HDR_SIZE); |
| 1990 |
} |
| 1991 |
|
| 1992 |
static void bt_hci_lmp_acl_data_slave(struct bt_link_s *btlink, |
| 1993 |
const uint8_t *data, int start, int len) |
| 1994 |
{
|
| 1995 |
struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink; |
| 1996 |
|
| 1997 |
bt_hci_lmp_acl_data(hci_from_device(btlink->slave), |
| 1998 |
link->handle, data, start, len); |
| 1999 |
} |
| 2000 |
|
| 2001 |
static void bt_hci_lmp_acl_data_host(struct bt_link_s *link, |
| 2002 |
const uint8_t *data, int start, int len) |
| 2003 |
{
|
| 2004 |
bt_hci_lmp_acl_data(hci_from_device(link->host), |
| 2005 |
link->handle, data, start, len); |
| 2006 |
} |
| 2007 |
|
| 2008 |
static void bt_submit_acl(struct HCIInfo *info, |
| 2009 |
const uint8_t *data, int length) |
| 2010 |
{
|
| 2011 |
struct bt_hci_s *hci = hci_from_info(info);
|
| 2012 |
uint16_t handle; |
| 2013 |
int datalen, flags;
|
| 2014 |
struct bt_link_s *link;
|
| 2015 |
|
| 2016 |
if (length < HCI_ACL_HDR_SIZE) {
|
| 2017 |
fprintf(stderr, "%s: ACL packet too short (%iB)\n",
|
| 2018 |
__FUNCTION__, length); |
| 2019 |
return;
|
| 2020 |
} |
| 2021 |
|
| 2022 |
handle = acl_handle((data[1] << 8) | data[0]); |
| 2023 |
flags = acl_flags((data[1] << 8) | data[0]); |
| 2024 |
datalen = (data[3] << 8) | data[2]; |
| 2025 |
data += HCI_ACL_HDR_SIZE; |
| 2026 |
length -= HCI_ACL_HDR_SIZE; |
| 2027 |
|
| 2028 |
if (bt_hci_handle_bad(hci, handle)) {
|
| 2029 |
fprintf(stderr, "%s: invalid ACL handle %03x\n",
|
| 2030 |
__FUNCTION__, handle); |
| 2031 |
/* TODO: signal an error */
|
| 2032 |
return;
|
| 2033 |
} |
| 2034 |
handle &= ~HCI_HANDLE_OFFSET; |
| 2035 |
|
| 2036 |
if (datalen > length) {
|
| 2037 |
fprintf(stderr, "%s: ACL packet too short (%iB < %iB)\n",
|
| 2038 |
__FUNCTION__, length, datalen); |
| 2039 |
return;
|
| 2040 |
} |
| 2041 |
|
| 2042 |
link = hci->lm.handle[handle].link; |
| 2043 |
|
| 2044 |
if ((flags & ~3) == ACL_ACTIVE_BCAST) { |
| 2045 |
if (!hci->asb_handle)
|
| 2046 |
hci->asb_handle = handle; |
| 2047 |
else if (handle != hci->asb_handle) { |
| 2048 |
fprintf(stderr, "%s: Bad handle %03x in Active Slave Broadcast\n",
|
| 2049 |
__FUNCTION__, handle); |
| 2050 |
/* TODO: signal an error */
|
| 2051 |
return;
|
| 2052 |
} |
| 2053 |
|
| 2054 |
/* TODO */
|
| 2055 |
} |
| 2056 |
|
| 2057 |
if ((flags & ~3) == ACL_PICO_BCAST) { |
| 2058 |
if (!hci->psb_handle)
|
| 2059 |
hci->psb_handle = handle; |
| 2060 |
else if (handle != hci->psb_handle) { |
| 2061 |
fprintf(stderr, "%s: Bad handle %03x in Parked Slave Broadcast\n",
|
| 2062 |
__FUNCTION__, handle); |
| 2063 |
/* TODO: signal an error */
|
| 2064 |
return;
|
| 2065 |
} |
| 2066 |
|
| 2067 |
/* TODO */
|
| 2068 |
} |
| 2069 |
|
| 2070 |
/* TODO: increase counter and send EVT_NUM_COMP_PKTS */
|
| 2071 |
bt_hci_event_num_comp_pkts(hci, handle | HCI_HANDLE_OFFSET, 1);
|
| 2072 |
|
| 2073 |
/* Do this last as it can trigger further events even in this HCI */
|
| 2074 |
hci->lm.handle[handle].lmp_acl_data(link, data, |
| 2075 |
(flags & 3) == ACL_START, length);
|
| 2076 |
} |
| 2077 |
|
| 2078 |
static void bt_submit_sco(struct HCIInfo *info, |
| 2079 |
const uint8_t *data, int length) |
| 2080 |
{
|
| 2081 |
struct bt_hci_s *hci = hci_from_info(info);
|
| 2082 |
uint16_t handle; |
| 2083 |
int datalen;
|
| 2084 |
|
| 2085 |
if (length < 3) |
| 2086 |
return;
|
| 2087 |
|
| 2088 |
handle = acl_handle((data[1] << 8) | data[0]); |
| 2089 |
datalen = data[2];
|
| 2090 |
length -= 3;
|
| 2091 |
|
| 2092 |
if (bt_hci_handle_bad(hci, handle)) {
|
| 2093 |
fprintf(stderr, "%s: invalid SCO handle %03x\n",
|
| 2094 |
__FUNCTION__, handle); |
| 2095 |
return;
|
| 2096 |
} |
| 2097 |
|
| 2098 |
if (datalen > length) {
|
| 2099 |
fprintf(stderr, "%s: SCO packet too short (%iB < %iB)\n",
|
| 2100 |
__FUNCTION__, length, datalen); |
| 2101 |
return;
|
| 2102 |
} |
| 2103 |
|
| 2104 |
/* TODO */
|
| 2105 |
|
| 2106 |
/* TODO: increase counter and send EVT_NUM_COMP_PKTS if synchronous
|
| 2107 |
* Flow Control is enabled.
|
| 2108 |
* (See Read/Write_Synchronous_Flow_Control_Enable on page 513 and
|
| 2109 |
* page 514.) */
|
| 2110 |
} |
| 2111 |
|
| 2112 |
static uint8_t *bt_hci_evt_packet(void *opaque) |
| 2113 |
{
|
| 2114 |
/* TODO: allocate a packet from upper layer */
|
| 2115 |
struct bt_hci_s *s = opaque;
|
| 2116 |
|
| 2117 |
return s->evt_buf;
|
| 2118 |
} |
| 2119 |
|
| 2120 |
static void bt_hci_evt_submit(void *opaque, int len) |
| 2121 |
{
|
| 2122 |
/* TODO: notify upper layer */
|
| 2123 |
struct bt_hci_s *s = opaque;
|
| 2124 |
|
| 2125 |
s->info.evt_recv(s->info.opaque, s->evt_buf, len); |
| 2126 |
} |
| 2127 |
|
| 2128 |
static int bt_hci_bdaddr_set(struct HCIInfo *info, const uint8_t *bd_addr) |
| 2129 |
{
|
| 2130 |
struct bt_hci_s *hci = hci_from_info(info);
|
| 2131 |
|
| 2132 |
bacpy(&hci->device.bd_addr, (const bdaddr_t *) bd_addr);
|
| 2133 |
return 0; |
| 2134 |
} |
| 2135 |
|
| 2136 |
static void bt_hci_done(struct HCIInfo *info); |
| 2137 |
static void bt_hci_destroy(struct bt_device_s *dev) |
| 2138 |
{
|
| 2139 |
struct bt_hci_s *hci = hci_from_device(dev);
|
| 2140 |
|
| 2141 |
bt_hci_done(&hci->info); |
| 2142 |
} |
| 2143 |
|
| 2144 |
struct HCIInfo *bt_new_hci(struct bt_scatternet_s *net) |
| 2145 |
{
|
| 2146 |
struct bt_hci_s *s = qemu_mallocz(sizeof(struct bt_hci_s)); |
| 2147 |
|
| 2148 |
s->lm.inquiry_done = qemu_new_timer_ns(vm_clock, bt_hci_inquiry_done, s); |
| 2149 |
s->lm.inquiry_next = qemu_new_timer_ns(vm_clock, bt_hci_inquiry_next, s); |
| 2150 |
s->conn_accept_timer = |
| 2151 |
qemu_new_timer_ns(vm_clock, bt_hci_conn_accept_timeout, s); |
| 2152 |
|
| 2153 |
s->evt_packet = bt_hci_evt_packet; |
| 2154 |
s->evt_submit = bt_hci_evt_submit; |
| 2155 |
s->opaque = s; |
| 2156 |
|
| 2157 |
bt_device_init(&s->device, net); |
| 2158 |
s->device.lmp_connection_request = bt_hci_lmp_connection_request; |
| 2159 |
s->device.lmp_connection_complete = bt_hci_lmp_connection_complete; |
| 2160 |
s->device.lmp_disconnect_master = bt_hci_lmp_disconnect_host; |
| 2161 |
s->device.lmp_disconnect_slave = bt_hci_lmp_disconnect_slave; |
| 2162 |
s->device.lmp_acl_data = bt_hci_lmp_acl_data_slave; |
| 2163 |
s->device.lmp_acl_resp = bt_hci_lmp_acl_data_host; |
| 2164 |
s->device.lmp_mode_change = bt_hci_lmp_mode_change_slave; |
| 2165 |
|
| 2166 |
/* Keep updated! */
|
| 2167 |
/* Also keep in sync with supported commands bitmask in
|
| 2168 |
* bt_hci_read_local_commands_rp */
|
| 2169 |
s->device.lmp_caps = 0x8000199b7e85355fll;
|
| 2170 |
|
| 2171 |
bt_hci_reset(s); |
| 2172 |
|
| 2173 |
s->info.cmd_send = bt_submit_hci; |
| 2174 |
s->info.sco_send = bt_submit_sco; |
| 2175 |
s->info.acl_send = bt_submit_acl; |
| 2176 |
s->info.bdaddr_set = bt_hci_bdaddr_set; |
| 2177 |
|
| 2178 |
s->device.handle_destroy = bt_hci_destroy; |
| 2179 |
|
| 2180 |
return &s->info;
|
| 2181 |
} |
| 2182 |
|
| 2183 |
static void bt_hci_done(struct HCIInfo *info) |
| 2184 |
{
|
| 2185 |
struct bt_hci_s *hci = hci_from_info(info);
|
| 2186 |
int handle;
|
| 2187 |
|
| 2188 |
bt_device_done(&hci->device); |
| 2189 |
|
| 2190 |
if (hci->device.lmp_name)
|
| 2191 |
qemu_free((void *) hci->device.lmp_name);
|
| 2192 |
|
| 2193 |
/* Be gentle and send DISCONNECT to all connected peers and those
|
| 2194 |
* currently waiting for us to accept or reject a connection request.
|
| 2195 |
* This frees the links. */
|
| 2196 |
if (hci->conn_req_host) {
|
| 2197 |
bt_hci_connection_reject(hci, |
| 2198 |
hci->conn_req_host, HCI_OE_POWER_OFF); |
| 2199 |
return;
|
| 2200 |
} |
| 2201 |
|
| 2202 |
for (handle = HCI_HANDLE_OFFSET;
|
| 2203 |
handle < (HCI_HANDLE_OFFSET | HCI_HANDLES_MAX); handle ++) |
| 2204 |
if (!bt_hci_handle_bad(hci, handle))
|
| 2205 |
bt_hci_disconnect(hci, handle, HCI_OE_POWER_OFF); |
| 2206 |
|
| 2207 |
/* TODO: this is not enough actually, there may be slaves from whom
|
| 2208 |
* we have requested a connection who will soon (or not) respond with
|
| 2209 |
* an accept or a reject, so we should also check if hci->lm.connecting
|
| 2210 |
* is non-zero and if so, avoid freeing the hci but otherwise disappear
|
| 2211 |
* from all qemu social life (e.g. stop scanning and request to be
|
| 2212 |
* removed from s->device.net) and arrange for
|
| 2213 |
* s->device.lmp_connection_complete to free the remaining bits once
|
| 2214 |
* hci->lm.awaiting_bdaddr[] is empty. */
|
| 2215 |
|
| 2216 |
qemu_free_timer(hci->lm.inquiry_done); |
| 2217 |
qemu_free_timer(hci->lm.inquiry_next); |
| 2218 |
qemu_free_timer(hci->conn_accept_timer); |
| 2219 |
|
| 2220 |
qemu_free(hci); |
| 2221 |
} |