MGMT_OP_READ_CONFIG_INFO,
MGMT_OP_SET_EXTERNAL_CONFIG,
MGMT_OP_SET_PUBLIC_ADDRESS,
+ MGMT_OP_START_SERVICE_DISCOVERY,
};
static const u16 mgmt_events[] = {
hci_dev_lock(hdev);
cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
+ if (!cmd)
+ cmd = mgmt_pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
+
if (cmd) {
u8 type = hdev->discovery.type;
return err;
}
+static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_start_service_discovery *cp = data;
+ struct pending_cmd *cmd;
+ struct hci_request req;
+ const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
+ u16 uuid_count, expected_len;
+ u8 status;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (!hdev_is_powered(hdev)) {
+ err = cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_NOT_POWERED,
+ &cp->type, sizeof(cp->type));
+ goto failed;
+ }
+
+ if (hdev->discovery.state != DISCOVERY_STOPPED ||
+ test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
+ err = cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_BUSY, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ uuid_count = __le16_to_cpu(cp->uuid_count);
+ if (uuid_count > max_uuid_count) {
+ BT_ERR("service_discovery: too big uuid_count value %u",
+ uuid_count);
+ err = cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_INVALID_PARAMS, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ expected_len = sizeof(*cp) + uuid_count * 16;
+ if (expected_len != len) {
+ BT_ERR("service_discovery: expected %u bytes, got %u bytes",
+ expected_len, len);
+ err = cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_INVALID_PARAMS, &cp->type,
+ sizeof(cp->type));
+ goto failed;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
+ hdev, NULL, 0);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
+ hdev->discovery.type = cp->type;
+ hdev->discovery.rssi = cp->rssi;
+ hdev->discovery.uuid_count = uuid_count;
+
+ if (uuid_count > 0) {
+ hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
+ GFP_KERNEL);
+ if (!hdev->discovery.uuids) {
+ err = cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ MGMT_STATUS_FAILED,
+ &cp->type, sizeof(cp->type));
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+ }
+
+ hci_req_init(&req, hdev);
+
+ if (!trigger_discovery(&req, &status)) {
+ err = cmd_complete(sk, hdev->id,
+ MGMT_OP_START_SERVICE_DISCOVERY,
+ status, &cp->type, sizeof(cp->type));
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+ err = hci_req_run(&req, start_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ goto failed;
+ }
+
+ hci_discovery_set_state(hdev, DISCOVERY_STARTING);
+
+failed:
+ hci_dev_unlock(hdev);
+ return err;
+}
+
static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
{
struct pending_cmd *cmd;
{ read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
{ set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
{ set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
+ { start_service_discovery,true, MGMT_START_SERVICE_DISCOVERY_SIZE },
};
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)