3 * Copyright (c) 2020 Project CHIP Authors
4 * Copyright (c) 2017 Nest Labs, Inc.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
21 * This header file includes common private definitions for the CHIP system layer.
25 #include <system/SystemConfig.h>
28 // Common definitions for the LwIP configuration
30 #if CHIP_SYSTEM_CONFIG_USE_LWIP
32 #include <lwip/init.h>
33 #include <lwip/stats.h>
35 // To use LwIP 1.x, some additional definitions are required here.
36 #if LWIP_VERSION_MAJOR < 2
38 // Compatibility adaptations for statistical data in LwIP 1.x
39 #ifndef MEMP_STATS_GET
40 #define MEMP_STATS_GET(FIELD, INDEX) (lwip_stats.memp[INDEX].FIELD)
41 #endif // !defined(MEMP_STATS_GET)
42 #endif // LWIP_VERSION_MAJOR
44 #endif // CHIP_SYSTEM_CONFIG_USE_LWIP