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net_pana_parameters_api.h

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00001 /*
00002  * Copyright (c) 2014-2017, 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 #ifndef NET_PANA_PARAMETERS_API_H_
00019 #define NET_PANA_PARAMETERS_API_H_
00020 
00021 #include "ns_types.h"
00022 
00023 /**
00024  * \file net_pana_parameters_api.h
00025  * \brief An API for setting up or changing PANA library parameters.
00026  *
00027  * \section set-pana-param Setting up PANA parameters.
00028  *  -  net_pana_parameter_set(), A function to set up PANA library parameters.
00029  * \section check-pana-param Checking existing PANA setup.
00030  *  -  net_pana_parameter_read(), A function to read current PANA library setup.
00031  */
00032 
00033 /*!
00034  * \struct pana_lib_parameters_s
00035  * \brief PANA library dynamic parameters.
00036  */
00037 /** The structure defines PANA library parameters.*/
00038 typedef struct pana_lib_parameters_s {
00039     uint16_t PCI_IRT;                   /**< Initial PCI timeout in seconds, default 10. */
00040     uint16_t PCI_MRT;                   /**< Max PCI timeout value in seconds, default 60.  */
00041     uint8_t PCI_MRC;                    /**< PCI_MRC Max PCI retransmission attempts, default 5. */
00042     uint16_t REQ_IRT;                   /**< PCI_MRC Initial request timeout in seconds, default 20. */
00043     uint16_t REQ_MRT;                   /**< Max request timeout value, default 60. */
00044     uint16_t REQ_MRC;                   /**< Max request retransmission attempts, default 4. */
00045     uint16_t AUTHENTICATION_TIMEOUT;        /**< Max timeout for authencication, default 100 seconds. */
00046     uint16_t KEY_UPDATE_THRESHOLD;      /**< Gap in seconds before the server starts to send a new network key, default 10. */
00047     uint8_t KEY_ID_MAX_VALUE;           /**< Define resolution for key ID [1-KEY_ID_MAX_VALUE], default 255. MIN accepted value is 3.*/
00048     uint16_t EAP_FRAGMENT_SIZE;         /**< Define EAP fragment slot size. Fragmentation is activated when EAP payload is more than 920. Default 296. */
00049     uint8_t  AUTH_COUNTER_MAX;          /**< Define PANA session re-authentication limit. When the MAX value is reached the server does not respond to the PANA notify request. Default 0xff. */
00050 } pana_lib_parameters_s;
00051 
00052 /**
00053  * \brief A function to set PANA library parameters.
00054  *
00055  * Note: This function should be called after net_init_core() and definitely
00056  * before creating any 6LoWPAN interface.
00057  *
00058  * For future compatibility, to support extensions to this structure, read
00059  * the current parameters using net_pana_parameter_read(),
00060  * modify known fields, then set.
00061  *
00062  * \param parameter_ptr A pointer for PANA parameters.
00063  *
00064  * \return 0, Change OK.
00065  * \return -1, Invalid values.
00066  * \return -2, PANA not supported.
00067  *
00068  */
00069 extern int8_t net_pana_parameter_set(const pana_lib_parameters_s *parameter_ptr);
00070 
00071 
00072 /**
00073  * \brief A function to read existing PANA library parameters.
00074  *
00075  * \param parameter_ptr An output pointer for PANA parameters.
00076  *
00077  * \return 0, Read OK.
00078  * \return -1, PANA not supported.
00079  */
00080 extern int8_t net_pana_parameter_read(pana_lib_parameters_s *parameter_ptr);
00081 
00082 #endif /* NET_PANA_PARAMETERS_API_H_ */