xref: /aosp_15_r20/external/pigweed/pw_bluetooth_sapphire/host/l2cap/basic_mode_tx_engine.cc (revision 61c4878ac05f98d0ceed94b57d316916de578985)
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 #include "pw_bluetooth_sapphire/internal/host/l2cap/basic_mode_tx_engine.h"
16 
17 #include "pw_bluetooth_sapphire/internal/host/common/assert.h"
18 #include "pw_bluetooth_sapphire/internal/host/common/log.h"
19 
20 namespace bt::l2cap::internal {
21 
NotifySduQueued()22 void BasicModeTxEngine::NotifySduQueued() {
23   std::optional<ByteBufferPtr> sdu = channel().GetNextQueuedSdu();
24 
25   PW_CHECK(sdu);
26   PW_CHECK(*sdu);
27 
28   if ((*sdu)->size() > max_tx_sdu_size()) {
29     bt_log(INFO,
30            "l2cap",
31            "SDU size exceeds channel TxMTU (channel-id: %#.4x)",
32            channel_id());
33     return;
34   }
35 
36   channel().SendFrame(std::move(*sdu));
37 }
38 
39 }  // namespace bt::l2cap::internal
40