コード例 #1
0
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)
		goto unlock;

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

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

		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);
}
コード例 #2
0
static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct hci_ev_conn_request *ev = (void *) skb->data;
	int mask = hdev->link_mode;

	BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
					batostr(&ev->bdaddr), ev->link_type);

	mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);

	if (mask & HCI_LM_ACCEPT) {
		/* Connection accepted */
		struct inquiry_entry *ie;
		struct hci_conn *conn;

		hci_dev_lock(hdev);

		if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr)))
			memcpy(ie->data.dev_class, ev->dev_class, 3);

		conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
		if (!conn) {
			if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) {
				BT_ERR("No memmory for new connection");
				hci_dev_unlock(hdev);
				return;
			}
		}

		memcpy(conn->dev_class, ev->dev_class, 3);
		conn->state = BT_CONNECT;

		hci_dev_unlock(hdev);

		if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
			struct hci_cp_accept_conn_req cp;

			bacpy(&cp.bdaddr, &ev->bdaddr);

			if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
				cp.role = 0x00; /* Become master */
			else
				cp.role = 0x01; /* Remain slave */

			hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ,
							sizeof(cp), &cp);
		} else {
			struct hci_cp_accept_sync_conn_req cp;

			bacpy(&cp.bdaddr, &ev->bdaddr);
			cp.pkt_type = cpu_to_le16(conn->pkt_type);

			cp.tx_bandwidth   = cpu_to_le32(0x00001f40);
			cp.rx_bandwidth   = cpu_to_le32(0x00001f40);
			cp.max_latency    = cpu_to_le16(0xffff);
			cp.content_format = cpu_to_le16(hdev->voice_setting);
			cp.retrans_effort = 0xff;

			hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
							sizeof(cp), &cp);
		}
	} else {
		/* Connection rejected */
		struct hci_cp_reject_conn_req cp;

		bacpy(&cp.bdaddr, &ev->bdaddr);
		cp.reason = 0x0f;
		hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
	}
}