1 // Copyright 2021 The Pigweed Authors
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
7 // https://www.apache.org/licenses/LICENSE-2.0
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
18 #include "pw_bytes/span.h"
19 #include "pw_status/status.h"
21 namespace pw::router {
23 // Data egress for a router to send packets over some transport system.
26 virtual ~Egress() = default;
28 // Sends a complete packet/frame over the transport. Returns OK on success, or
29 // an error status on failure.
31 // TODO(frolv): Document possible return values.
32 virtual Status SendPacket(ConstByteSpan packet) = 0;
35 } // namespace pw::router