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fix(ble/bluedroid): report conn param update failure for unknown BD_ADDR

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Route unknown BD_ADDR and other immediate failures through the existing
need_cb path so ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT is always delivered.


(cherry picked from commit f9eaeb5e84)

Co-authored-by: zhanghaipeng <zhanghaipeng@espressif.com>
This commit is contained in:
Zhang Hai Peng
2026-06-26 20:16:03 +08:00
parent f052415e45
commit fd6a76d00d
1 changed files with 24 additions and 22 deletions
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46
components/bt/host/bluedroid/stack/l2cap/l2c_ble.c
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@@ -147,40 +147,42 @@ BOOLEAN L2CA_UpdateBleConnParams (BD_ADDR rem_bda, UINT16 min_int, UINT16 max_in
/* See if we have a link control block for the remote device */
p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda, BT_TRANSPORT_LE);
/* If we don't have one, create one and accept the connection. */
if (!p_lcb || !p_acl_cb) {
L2CAP_TRACE_WARNING ("L2CA_UpdateBleConnParams - unknown BD_ADDR "MACSTR"", MAC2STR(rem_bda));
return (FALSE);
}
if (p_lcb->transport != BT_TRANSPORT_LE) {
status = HCI_ERR_NO_CONNECTION;
need_cb = true;
} else if (p_lcb->transport != BT_TRANSPORT_LE) {
L2CAP_TRACE_WARNING ("L2CA_UpdateBleConnParams - BD_ADDR "MACSTR" not LE", MAC2STR(rem_bda));
return (FALSE);
}
/* Check whether the request conn params is already set */
if ((max_int == p_lcb->current_used_conn_interval) && (latency == p_lcb->current_used_conn_latency) &&
(timeout == p_lcb->current_used_conn_timeout)) {
status = HCI_SUCCESS;
status = HCI_ERR_NO_CONNECTION;
need_cb = true;
L2CAP_TRACE_WARNING("%s connection parameter already set", __func__);
}
} else {
/* Check whether the request conn params is already set */
if ((max_int == p_lcb->current_used_conn_interval) && (latency == p_lcb->current_used_conn_latency) &&
(timeout == p_lcb->current_used_conn_timeout)) {
status = HCI_SUCCESS;
need_cb = true;
L2CAP_TRACE_WARNING("%s connection parameter already set", __func__);
}
if (p_lcb->conn_update_mask & L2C_BLE_UPDATE_PARAM_FULL){
status = HCI_ERR_ILLEGAL_COMMAND;
need_cb = true;
L2CAP_TRACE_ERROR("%s connection parameter update in progress, please try later", __func__);
if (p_lcb->conn_update_mask & L2C_BLE_UPDATE_PARAM_FULL){
status = HCI_ERR_ILLEGAL_COMMAND;
need_cb = true;
L2CAP_TRACE_ERROR("%s connection parameter update in progress, please try later", __func__);
}
}
if (need_cb) {
tBTM_BLE_LEGACY_GAP_CB_PARAMS cb_params = {0};
cb_params.conn_params_update.status = status;
memcpy(cb_params.conn_params_update.remote_bd_addr, p_lcb->remote_bd_addr, BD_ADDR_LEN);
memcpy(cb_params.conn_params_update.remote_bd_addr,
p_lcb ? p_lcb->remote_bd_addr : rem_bda, BD_ADDR_LEN);
cb_params.conn_params_update.min_conn_int = min_int;
cb_params.conn_params_update.max_conn_int = max_int;
cb_params.conn_params_update.conn_int = p_lcb->current_used_conn_interval;
cb_params.conn_params_update.slave_latency = p_lcb->current_used_conn_latency;
cb_params.conn_params_update.supervision_tout = p_lcb->current_used_conn_timeout;
if (p_lcb) {
cb_params.conn_params_update.conn_int = p_lcb->current_used_conn_interval;
cb_params.conn_params_update.slave_latency = p_lcb->current_used_conn_latency;
cb_params.conn_params_update.supervision_tout = p_lcb->current_used_conn_timeout;
}
BTM_LegacyBleCallbackTrigger(BTM_BLE_LEGACY_GAP_CONNECTION_PARAMS_UPDATE_EVT, &cb_params);