net_mle.c

00001 /*
00002  * Copyright (c) 2016-2017, 2019, Arm Limited and affiliates.
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License");
00006  * you may not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  *     http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 /*
00019  * \file net_mle.c
00020  * \brief 6LoWPAN MLE options control API
00021  *
00022  */
00023 #include "nsconfig.h"
00024 #include "ns_types.h"
00025 #include "string.h"
00026 #include "ns_trace.h"
00027 #include "net_mle_api.h"
00028 #include "Core/include/ns_address_internal.h"
00029 #include "net_interface.h"
00030 #include "MLE/mle.h"
00031 #include "NWK_INTERFACE/Include/protocol.h"
00032 #include "Service_Libs/mle_service/mle_service_api.h"
00033 #include "6LoWPAN/Bootstraps/protocol_6lowpan_bootstrap.h"
00034 
00035 /** Set parameter.
00036 
00037  * \return zero on success, negative on failure.
00038 
00039  */
00040 
00041 int8_t arm_nwk_6lowpan_mle_router_lifetime_set(int8_t interface_id, uint16_t lifetime)
00042 {
00043     protocol_interface_info_entry_t *cur;
00044     mle_6lowpan_data_t *mle_6lowpan_data;
00045 
00046     cur = protocol_stack_interface_info_get_by_id(interface_id);
00047 
00048     if (!cur || cur->nwk_id != IF_6LoWPAN) {
00049         return -1;
00050     }
00051 
00052     mle_6lowpan_data = protocol_6lowpan_mle_data_get();
00053 
00054     if (!mle_6lowpan_data) {
00055         return -1;
00056     }
00057 
00058     if (lifetime < 64 || lifetime > 2560) {
00059         return -1;
00060     }
00061 
00062     mle_6lowpan_data->router_lifetime = lifetime;
00063 
00064     return 0;
00065 }
00066 
00067 int8_t arm_nwk_6lowpan_mle_host_lifetime_set(int8_t interface_id, uint16_t lifetime)
00068 {
00069     protocol_interface_info_entry_t *cur;
00070     mle_6lowpan_data_t *mle_6lowpan_data;
00071 
00072     cur = protocol_stack_interface_info_get_by_id(interface_id);
00073 
00074     if (!cur || cur->nwk_id != IF_6LoWPAN) {
00075         return -1;
00076     }
00077 
00078     mle_6lowpan_data = protocol_6lowpan_mle_data_get();
00079 
00080     if (!mle_6lowpan_data) {
00081         return -1;
00082     }
00083 
00084     if (lifetime < 64 || lifetime > 2560) {
00085         return -1;
00086     }
00087 
00088     mle_6lowpan_data->host_lifetime = lifetime;
00089 
00090     return 0;
00091 }
00092 
00093 int8_t arm_nwk_6lowpan_mle_neighbor_limits_set(int8_t interface_id, uint16_t lower_threshold, uint16_t upper_threshold, uint16_t max)
00094 {
00095     protocol_interface_info_entry_t *cur;
00096     mle_6lowpan_data_t *mle_6lowpan_data;
00097 
00098     cur = protocol_stack_interface_info_get_by_id(interface_id);
00099 
00100     if (!cur || cur->nwk_id != IF_6LoWPAN) {
00101         return -1;
00102     }
00103 
00104     if (lower_threshold == 0 || upper_threshold == 0 || max == 0) {
00105         if (lower_threshold != 0) {
00106             return -1;
00107         }
00108         if (upper_threshold != 0) {
00109             return -1;
00110         }
00111         if (max != 0) {
00112             return -1;
00113         }
00114     }
00115 
00116     if ((lower_threshold < 5 && lower_threshold != 0) || lower_threshold > 499) {
00117         return -1;
00118     }
00119     if ((upper_threshold < 5  && upper_threshold != 0) || upper_threshold > 500) {
00120         return -1;
00121     }
00122     if ((max < 5  && max != 0) || max > 500) {
00123         return -1;
00124     }
00125     if (lower_threshold >= upper_threshold) {
00126         return -1;
00127     }
00128     if (lower_threshold >= max) {
00129         return -1;
00130     }
00131     if (upper_threshold > max) {
00132         return -1;
00133     }
00134 
00135     mle_6lowpan_data = protocol_6lowpan_mle_data_get();
00136 
00137     if (!mle_6lowpan_data) {
00138         return -1;
00139     }
00140 
00141     mle_6lowpan_data->nbr_of_neigh_lower_threshold = lower_threshold;
00142     mle_6lowpan_data->nbr_of_neigh_upper_threshold = upper_threshold;
00143     mle_6lowpan_data->nbr_of_neigh_max = max;
00144 
00145     return 0;
00146 }
00147 
00148 int8_t arm_nwk_6lowpan_mle_token_bucket_settings_set(int8_t interface_id, uint8_t size, uint8_t rate, uint8_t count)
00149 {
00150     protocol_interface_info_entry_t *cur;
00151     mle_6lowpan_data_t *mle_6lowpan_data;
00152 
00153     cur = protocol_stack_interface_info_get_by_id(interface_id);
00154 
00155     if (!cur || cur->nwk_id != IF_6LoWPAN) {
00156         return -1;
00157     }
00158 
00159     if (size == 0 || rate == 0 || count == 0) {
00160         if (size != 0) {
00161             return -1;
00162         }
00163         if (rate != 0) {
00164             return -1;
00165         }
00166         if (count != 0) {
00167             return -1;
00168         }
00169     }
00170 
00171     mle_6lowpan_data = protocol_6lowpan_mle_data_get();
00172 
00173     if (!mle_6lowpan_data) {
00174         return -1;
00175     }
00176 
00177     mle_6lowpan_data->token_bucket_size = size;
00178     mle_6lowpan_data->token_bucket_rate = rate;
00179     mle_6lowpan_data->token_bucket_count = count;
00180 
00181     return mle_service_interface_token_bucket_settings_set(interface_id, size, rate, count);
00182 }
00183