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/*
* Copyright 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <cstdint>
namespace bluetooth {
namespace l2cap {
using Psm = uint16_t;
constexpr Psm kDefaultPsm = 0; // Invalid Psm as a default value
constexpr bool IsPsmValid(Psm psm) {
// See Core spec 5.1 Vol 3 Part A 4.2 for definition
return (psm & 0x0101u) == 0x0001u;
}
} // namespace l2cap
} // namespace bluetooth
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