C++ (Cpp) hci_conn_hold_device示例

示例#1

文件： hci_event.c 项目： mnlk2-custom/kernel-2638

static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

	BT_DBG("%s status %d", hdev->name, ev->status);

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
	if (!conn) {
		if (ev->link_type == ESCO_LINK)
			goto unlock;

		conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
		if (!conn)
			goto unlock;

		conn->type = SCO_LINK;
	}

	switch (ev->status) {
	case 0x00:
		conn->handle = __le16_to_cpu(ev->handle);
		conn->state  = BT_CONNECTED;

		hci_conn_hold_device(conn);
		hci_conn_add_sysfs(conn);
		break;

	case 0x10:	/* Connection Accept Timeout */
	case 0x11:	/* Unsupported Feature or Parameter Value */
	case 0x1c:	/* SCO interval rejected */
	case 0x1a:	/* Unsupported Remote Feature */
	case 0x1f:	/* Unspecified error */
		if (conn->out && conn->attempt < 2) {
			conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
					(hdev->esco_type & EDR_ESCO_MASK);
			hci_setup_sync(conn, conn->link->handle);
			goto unlock;
		}
		/* fall through */

	default:
		conn->state = BT_CLOSED;
		break;
	}

	hci_proto_connect_cfm(conn, ev->status);
	if (ev->status)
		hci_conn_del(conn);

unlock:
	hci_dev_unlock(hdev);
}

示例#2

文件： hci_event.c 项目： 325116067/semc-qsd8x50

static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_conn_complete *ev = (void *) skb->data;
	struct hci_conn *conn;

	BT_DBG("%s", hdev->name);

	hci_dev_lock(hdev);

	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
	if (!conn) {
		if (ev->link_type != SCO_LINK)
			goto unlock;

		conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
		if (!conn)
			goto unlock;

		conn->type = SCO_LINK;
	}

	if (!ev->status) {
		conn->handle = __le16_to_cpu(ev->handle);

		if (conn->type == ACL_LINK) {
			conn->state = BT_CONFIG;
			hci_conn_hold(conn);
			conn->disc_timeout = HCI_DISCONN_TIMEOUT;
		} else
			conn->state = BT_CONNECTED;

		hci_conn_hold_device(conn);
		hci_conn_add_sysfs(conn);

		if (test_bit(HCI_AUTH, &hdev->flags))
			conn->link_mode |= HCI_LM_AUTH;

		if (test_bit(HCI_ENCRYPT, &hdev->flags))
			conn->link_mode |= HCI_LM_ENCRYPT;

		/* Get remote features */
		if (conn->type == ACL_LINK) {
			struct hci_cp_read_remote_features cp;
			cp.handle = ev->handle;
			hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
							sizeof(cp), &cp);
		}

		/* Set packet type for incoming connection */
		if (!conn->out && hdev->hci_ver < 3) {
			struct hci_cp_change_conn_ptype cp;
			cp.handle = ev->handle;
			cp.pkt_type = cpu_to_le16(conn->pkt_type);
			hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
							sizeof(cp), &cp);
		}
	} else
		conn->state = BT_CLOSED;

	if (conn->type == ACL_LINK) {
		struct hci_conn *sco = conn->link;
		if (sco) {
			if (!ev->status) {
				if (lmp_esco_capable(hdev))
					hci_setup_sync(sco, conn->handle);
				else
					hci_add_sco(sco, conn->handle);
			} else {
				hci_proto_connect_cfm(sco, ev->status);
				hci_conn_del(sco);
			}
		}
	}

	if (ev->status) {
		hci_proto_connect_cfm(conn, ev->status);
		hci_conn_del(conn);
	} else if (ev->link_type != ACL_LINK)
		hci_proto_connect_cfm(conn, ev->status);

unlock:
	hci_dev_unlock(hdev);

	hci_conn_check_pending(hdev);
}