1 // Copyright 2023 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #pragma once 16 #include "pw_bluetooth_sapphire/internal/host/l2cap/tx_engine.h" 17 18 namespace bt::l2cap::internal { 19 20 // Implements the sender-side functionality of L2CAP Basic Mode. See Bluetooth 21 // Core Spec v5.0, Volume 3, Part A, Sec 2.4, "Modes of Operation". 22 // 23 // THREAD-SAFETY: This class may is _not_ thread-safe. In particular, the class 24 // assumes that some other party ensures that QueueSdu() is not invoked 25 // concurrently with the destructor. 26 class BasicModeTxEngine final : public TxEngine { 27 public: BasicModeTxEngine(ChannelId channel_id,uint16_t max_tx_sdu_size,TxChannel & channel)28 BasicModeTxEngine(ChannelId channel_id, 29 uint16_t max_tx_sdu_size, 30 TxChannel& channel) 31 : TxEngine(channel_id, max_tx_sdu_size, channel) {} 32 ~BasicModeTxEngine() override = default; 33 34 // Notify that an SDU is ready for transmitting. See |TxEngine|. 35 void NotifySduQueued() override; 36 37 private: 38 BT_DISALLOW_COPY_AND_ASSIGN_ALLOW_MOVE(BasicModeTxEngine); 39 }; 40 41 } // namespace bt::l2cap::internal 42