< HCI Command: LE Connection Update (0x08|0x0013) plen 14
[hci0] 92750.079447
Handle: 42
Min connection interval: 50.00 msec (0x0028)
Max connection interval: 70.00 msec (0x0038)
Connection latency: 0x0000
Supervision timeout: 420 msec (0x002a)
Min connection length: 0.000 msec (0x0000)
Max connection length: 0.000 msec (0x0000)
> HCI Event: Command Status (0x0f) plen 4
[hci0] 92750.079459
LE Connection Update (0x08|0x0013) ncmd 1
Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 11
[hci1] 92750.079462
LE Remote Connection Parameter Request (0x06)
Handle: 42
Min connection interval: 50.00 msec (0x0028)
Max connection interval: 70.00 msec (0x0038)
Connection latency: 0x0000
Supervision timeout: 420 msec (0x002a)
< HCI Command: LE Remote Connection Parameter Request Reply
(0x08|0x0020) plen 14 [hci1] 92750.079476
Handle: 42
Min connection interval: 50.00 msec (0x0028)
Max connection interval: 70.00 msec (0x0038)
Connection latency: 0x0000
Supervision timeout: 420 msec (0x002a)
Min connection length: 0.000 msec (0x0000)
Max connection length: 0.000 msec (0x0000)
> HCI Event: Command Complete (0x0e) plen 6
[hci1] 92750.079507
LE Remote Connection Parameter Request Reply (0x08|0x0020)
ncmd 1
Status: Success (0x00)
Handle: 42
> HCI Event: LE Meta Event (0x3e) plen 10
[hci0] 92750.079510
LE Connection Update Complete (0x03)
Status: Success (0x00)
Handle: 42
Connection interval: 50.00 msec (0x0028)
Connection latency: 0.00 msec (0x0000)
Supervision timeout: 420 msec (0x002a)
> HCI Event: LE Meta Event (0x3e) plen 10
[hci1] 92750.079509
LE Connection Update Complete (0x03)
Status: Success (0x00)
Handle: 42
Connection interval: 50.00 msec (0x0028)
Connection latency: 0.00 msec (0x0000)
Supervision timeout: 420 msec (0x002a)
@ New Conn Param: 00:AA:01:00:00:23 (1) hint 0 min 0x0028 max 0x0038
latency 0x0000 timeout 0x002a
---
emulator/btdev.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 67 insertions(+), 7 deletions(-)
diff --git a/emulator/btdev.c b/emulator/btdev.c
index 77a83ef..1395ec8 100644
--- a/emulator/btdev.c
+++ b/emulator/btdev.c
@@ -443,6 +443,9 @@ static void set_le_commands(struct btdev *btdev)
btdev->commands[28] |= 0x20; /* LE Transmitter Test */
btdev->commands[28] |= 0x40; /* LE Test End */
+ /* Extra LE commands for >= 4.1 adapters */
+ btdev->commands[33] |= 0x10; /* LE Remote Conn Param Req Reply */
+
/* Extra LE commands for >= 4.2 adapters */
btdev->commands[34] |= 0x02; /* LE Read Local P-256 Public Key */
btdev->commands[34] |= 0x04; /* LE Generate DHKey */
@@ -562,6 +565,7 @@ static void set_le_features(struct btdev *btdev)
btdev->max_page = 1;
btdev->le_features[0] |= 0x01; /* LE Encryption */
+ btdev->le_features[0] |= 0x02; /* Connection Parameters Request */
}
static void set_amp_features(struct btdev *btdev)
@@ -1235,6 +1239,30 @@ static void le_conn_update(struct btdev *btdev, uint16_t handle,
send_event(remote, BT_HCI_EVT_LE_META_EVENT, &ev, sizeof(ev));
}
+static void le_conn_param_req(struct btdev *btdev, uint16_t handle,
+ uint16_t min_interval, uint16_t max_interval,
+ uint16_t latency, uint16_t supv_timeout,
+ uint16_t min_length, uint16_t max_length)
+{
+ struct btdev *remote = btdev->conn;
+ struct __packed {
+ uint8_t subevent;
+ struct bt_hci_evt_le_conn_param_request ev;
+ } ev;
+
+ if (!remote)
+ return;
+
+ ev.subevent = BT_HCI_EVT_LE_CONN_PARAM_REQUEST;
+ ev.ev.handle = cpu_to_le16(handle);
+ ev.ev.min_interval = cpu_to_le16(min_interval);
+ ev.ev.max_interval = cpu_to_le16(max_interval);
+ ev.ev.latency = cpu_to_le16(latency);
+ ev.ev.supv_timeout = cpu_to_le16(supv_timeout);
+
+ send_event(remote, BT_HCI_EVT_LE_META_EVENT, &ev, sizeof(ev));
+}
+
static void disconnect_complete(struct btdev *btdev, uint16_t handle,
uint8_t reason)
{
@@ -2004,6 +2032,7 @@ static void default_cmd(struct btdev *btdev, uint16_t opcode,
const struct bt_hci_cmd_le_ltk_req_reply *llrr;
const struct bt_hci_cmd_le_encrypt *lenc_cmd;
const struct bt_hci_cmd_le_generate_dhkey *dh;
+ const struct bt_hci_cmd_le_conn_param_req_reply *lcprr_cmd;
const struct bt_hci_cmd_read_local_amp_assoc *rlaa_cmd;
const struct bt_hci_cmd_read_rssi *rrssi;
const struct bt_hci_cmd_read_tx_power *rtxp;
@@ -2045,6 +2074,7 @@ static void default_cmd(struct btdev *btdev, uint16_t opcode,
struct bt_hci_rsp_read_local_amp_info rlai;
struct bt_hci_rsp_read_local_amp_assoc rlaa_rsp;
struct bt_hci_rsp_get_mws_transport_config *gmtc;
+ struct bt_hci_rsp_le_conn_param_req_reply lcprr_rsp;
struct bt_hci_rsp_le_read_buffer_size lrbs;
struct bt_hci_rsp_le_read_local_features lrlf;
struct bt_hci_rsp_le_read_adv_tx_power lratp;
@@ -3149,6 +3179,14 @@ static void default_cmd(struct btdev *btdev, uint16_t opcode,
cmd_complete(btdev, opcode, <e, sizeof(lte));
break;
+ case BT_HCI_CMD_LE_CONN_PARAM_REQ_REPLY:
+ if (btdev->type == BTDEV_TYPE_BREDR)
+ goto unsupported;
+ lcprr_cmd = data;
+ lcprr_rsp.handle = lcprr_cmd->handle;
+ lcprr_rsp.status = BT_HCI_ERR_SUCCESS;
+ cmd_complete(btdev, opcode, &lcprr_rsp, sizeof(lcprr_rsp));
+ break;
default:
goto unsupported;
}
@@ -3183,6 +3221,7 @@ static void default_cmd_completion(struct btdev *btdev, uint16_t opcode,
const struct bt_hci_cmd_read_clock_offset *rco;
const struct bt_hci_cmd_le_create_conn *lecc;
const struct bt_hci_cmd_le_conn_update *lecu;
+ const struct bt_hci_cmd_le_conn_param_req_reply *lcprr;
switch (opcode) {
case BT_HCI_CMD_INQUIRY:
@@ -3334,13 +3373,34 @@ static void default_cmd_completion(struct btdev *btdev, uint16_t opcode,
if (btdev->type == BTDEV_TYPE_BREDR)
return;
lecu = data;
- le_conn_update(btdev, le16_to_cpu(lecu->handle),
- le16_to_cpu(lecu->min_interval),
- le16_to_cpu(lecu->max_interval),
- le16_to_cpu(lecu->latency),
- le16_to_cpu(lecu->supv_timeout),
- le16_to_cpu(lecu->min_length),
- le16_to_cpu(lecu->max_length));
+ if (btdev->le_features[0] & 0x02)
+ le_conn_param_req(btdev, le16_to_cpu(lecu->handle),
+ le16_to_cpu(lecu->min_interval),
+ le16_to_cpu(lecu->max_interval),
+ le16_to_cpu(lecu->latency),
+ le16_to_cpu(lecu->supv_timeout),
+ le16_to_cpu(lecu->min_length),
+ le16_to_cpu(lecu->max_length));
+ else
+ le_conn_update(btdev, le16_to_cpu(lecu->handle),
+ le16_to_cpu(lecu->min_interval),
+ le16_to_cpu(lecu->max_interval),
+ le16_to_cpu(lecu->latency),
+ le16_to_cpu(lecu->supv_timeout),
+ le16_to_cpu(lecu->min_length),
+ le16_to_cpu(lecu->max_length));
+ break;
+ case BT_HCI_CMD_LE_CONN_PARAM_REQ_REPLY:
+ if (btdev->type == BTDEV_TYPE_BREDR)
+ return;
+ lcprr = data;
+ le_conn_update(btdev, le16_to_cpu(lcprr->handle),
+ le16_to_cpu(lcprr->min_interval),
+ le16_to_cpu(lcprr->max_interval),
+ le16_to_cpu(lcprr->latency),
+ le16_to_cpu(lcprr->supv_timeout),
+ le16_to_cpu(lcprr->min_length),
+ le16_to_cpu(lcprr->max_length));
break;
}
}
--
2.4.3
--
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