1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include "l2cap/mtu.h"
20 
21 namespace bluetooth {
22 namespace l2cap {
23 namespace classic {
24 
25 /**
26  * Configuration Option specified by L2CAP Channel user on a dynamic channel. L2CAP module will configure the channel
27  * based on user provided option.
28  */
29 struct DynamicChannelConfigurationOption {
30   enum class RetransmissionAndFlowControlMode {
31     L2CAP_BASIC,
32     ENHANCED_RETRANSMISSION,
33     ENHANCED_RETRANSMISSION_OPTIONAL,
34   };
35   /**
36    * Retransmission and flow control mode. Currently L2CAP_BASIC and ENHANCED_RETRANSMISSION.
37    * If the remote doesn't support a mode, it might fall back to basic, as this is a negotiable option.
38    */
39   RetransmissionAndFlowControlMode channel_mode = RetransmissionAndFlowControlMode::L2CAP_BASIC;
40 
41   /**
42    * Maximum SDU size that the L2CAP Channel user is able to process.
43    */
44   Mtu incoming_mtu = kDefaultClassicMtu;
45 };
46 
47 }  // namespace classic
48 }  // namespace l2cap
49 }  // namespace bluetooth
50