468 lines
24 KiB
C
468 lines
24 KiB
C
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/**
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* Copyright (c) 2016 - 2020 Nordic Semiconductor ASA and Luxoft Global Operations Gmbh.
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*
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* All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef MAC_COMMON_H_INCLUDED
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#define MAC_COMMON_H_INCLUDED
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#include <stdint.h>
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#include "phy_common.h"
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#if (CONFIG_SECURE == 1)
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#include "mac_security.h"
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#endif
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/** @file
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* Types and declarations common for different MLME transactions listed here.
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*
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* @defgroup mac_common MAC Common API
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* @ingroup mac_15_4
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* @{
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* @brief Module for declaring MAC Common API.
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* @details The Common MAC module contains declarations of commonly used MAC routines and necessary
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* macros and types.
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*/
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/**@brief Maximum interval for acknowledgement frame to arrive in microseconds.
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*
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* macAckWaitDuration = aUnitBackoffPeriod(only for beacon enabled PAN) +
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* aTurnaroundTime +
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* phySHRDuration + ceil(6 * phySymbolsPerOctet) =
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* 20 + 12 + 10 + 6 * 2 =
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* 54 symbols / 62.5 ksymbols/s = 864 us (544 us for beacon disabled PAN)
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*/
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#if (CONFIG_BEACON_ENABLED == 1)
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#define macAckWaitDuration 864
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#else
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#define macAckWaitDuration 544
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#endif
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/**@brief The maximum number of octets added by the MAC
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* sublayer to the MAC payload of a beacon frame.
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*/
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#define aMaxBeaconOverhead 75
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/**@brief The number of symbols forming the basic time period
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* used by the CSMA-CA algorithm.
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*/
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#define aUnitBackoffPeriod 20UL
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/**@brief The number of symbols forming a superframe slot
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* when the superframe order is equal to 0.
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*/
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#define aBaseSlotDuration 60UL
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/**@brief The number of slots contained in any superframe. */
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#define aNumSuperframeSlots 16UL
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/**@brief The number of symbols forming a superframe when
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* the superframe order is equal to 0.
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*/
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#define aBaseSuperframeDuration (aBaseSlotDuration * aNumSuperframeSlots)
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/**@brief The maximum size, in octets, of a beacon payload. */
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#define aMaxBeaconPayloadLength (aMaxPHYPacketSize - aMaxBeaconOverhead)
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/**@brief The maximum number of octets added by the MAC
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* sublayer to the PSDU without security.
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*/
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#define aMaxMPDUUnsecuredOverhead 25
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/**@brief The maximum number of octets that can be transmitted in the MAC Payload
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* field of an unsecured MAC frame that will be guaranteed not to exceed aMaxPHYPacketSize.
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*/
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#define aMaxMACSafePayloadSize (aMaxPHYPacketSize - aMaxMPDUUnsecuredOverhead)
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/**@brief The minimum number of octets added by the MAC sublayer to the PSDU.*/
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#define aMinMPDUOverhead 9
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/**@brief The maximum number of octets that can be transmitted in the MAC
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* Payload field.
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*/
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#define aMaxMACPayloadSize (aMaxPHYPacketSize - aMinMPDUOverhead)
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/**@brief The maximum size of an MPDU, in octets, that can be followed by a SIFS period. */
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#define aMaxSIFSFrameSize 18
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/**@brief The minimum number of symbols forming the CAP.
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*
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* @details This ensures that MAC commands can still be transferred to devices
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* when GTSs are being used.
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*/
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#define aMinCAPLength 440
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/**@brief The number of superframes in which a GTS descriptor exists
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* in the beacon frame of the PAN coordinator.
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*/
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#define aGTSDescPersistenceTime 4
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/**@brief The number of consecutive lost beacons that will cause the MAC sublayer
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* of a receiving device to declare a loss of synchronization.
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*/
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#define aMaxLostBeacons 4
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/**@brief Maximum number of battery life extension periods. */
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#define MAC_MIN_BATT_LIFE_EXT_PERIODS 6
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/**@brief Minimum number of battery life extension periods. */
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#define MAC_MAX_BATT_LIFE_EXT_PERIODS 41
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/**@brief Minimum value for macBeaconOrder parameter. */
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#define MAC_MIN_BEACON_ORDER 0
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/**@brief Maximum value for macBeaconOrder parameter. */
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#define MAC_MAX_BEACON_ORDER 15
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/**@brief Minimum value for macMaxCSMABackoffs parameter. */
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#define MAC_MIN_MAX_CSMA_BACKOFFS 0
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/**@brief Maximum value for macMaxCSMABackoffs parameter. */
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#define MAC_MAX_MAX_CSMA_BACKOFFS 5
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/**@brief Minimum value for macMinBE parameter. */
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#define MAC_MIN_MIN_BE 0
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/**@brief Minimum value for macMaxBE parameter. */
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#define MAC_MIN_MAX_BE 3
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/**@brief Maximum value for macMaxBE parameter. */
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#define MAC_MAX_MAX_BE 8
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/**@brief Minimum value for macSuperframeOrder parameter. */
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#define MAC_MIN_SUPERFRAME_ORDER 0
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/**@brief Maximum value for macSuperframeOrder parameter. */
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#define MAC_MAX_SUPERFRAME_ORDER 15
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/**@brief Minimum value for macMaxFrameRetries parameter. */
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#define MAC_MIN_MAX_FRAME_RETRIES 0
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/**@brief Maximum value for macMaxFrameRetries parameter. */
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#define MAC_MAX_MAX_FRAME_RETRIES 7
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/**@brief Minimum value for macResponseWaitTime parameter. */
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#define MAC_MIN_RESPONSE_WAIT_TIME 2
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/**@brief Maximum value for macResponseWaitTime parameter. */
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#define MAC_MAX_RESPONSE_WAIT_TIME 64
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/**@brief A handy macro for a never initialized short address. */
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#define MAC_SHORT_ADDRESS_NOT_SET 0xFFFF
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/**@brief A handy macro for a never initialized short address. */
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#define MAC_EXTENDED_ADDRESS_NOT_SET 0xFFFFFFFFFFFFFFFFULL
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/**@brief A value of MAC beacon order attribute which determines
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* a state with no periodic beacons.
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*/
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#define MAC_NO_BEACONS 15
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/**@brief A handy macro for broadcast address. */
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#define MAC_BROADCAST_SHORT_ADDRESS 0xFFFF
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/**@brief A handy macro for unknown PAN ID. */
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#define MAC_BROADCAST_PANID 0xFFFF
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/**@brief Short address field value that is used when the device does not
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* support short addressing mode.
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*/
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#define MAC_EXTENDED_ADDRESS_ONLY 0xFFFE
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/**@brief Final CAP slot field value in the beacon for non-beacon enabled PAN. */
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#define MAC_FINAL_CAP_SLOT_NBPAN 15
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/**@brief Total amount of slots available in beacon enabled PAN. */
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#define MAC_SLOT_AMOUNT 16
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/**@brief This is the value of auto request key index until it has been set. */
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#define MAC_SECURITY_KEY_INDEX_NOT_SET 0xFF
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/**@brief Length of short MAC address in bytes. */
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#define MAC_ADDR_SHORT_LEN 2
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/**@brief Length of extended MAC address in bytes. */
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#define MAC_ADDR_EXTENDED_LEN 8
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/**@brief Length of PAN ID field in bytes. */
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#define MAC_PAN_ID_LEN 2
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/**@brief MAC footer (FCS) size. */
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#define MAC_MFR_SIZE 2
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/**@brief Maximum auxiliary header length */
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#if (CONFIG_SECURE == 1)
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#define MAC_MAX_AUX_HEADER_SIZE 14
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#else
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#define MAC_MAX_AUX_HEADER_SIZE 0
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#endif
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/**@brief Maximum MAC header length */
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#define MAC_MAX_MHR_SIZE (PHY_MAX_HEADER_SIZE + \
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2 /* Frame control */ + \
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1 /* Data sequence number */ + \
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2 * (sizeof(uint16_t) + (sizeof(uint64_t))) /* Two PAN IDs and extended addresses */ + \
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MAC_MAX_AUX_HEADER_SIZE)
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/**@brief Maximum MAC header length for beacon frame */
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#define MAC_MAX_BCN_MHR_SIZE (PHY_MAX_HEADER_SIZE + \
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2 /* Frame control field */ + \
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1 /* Beacon sequence number */ + \
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sizeof(uint16_t) /* PAN ID */ + \
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sizeof(uint64_t) /* Extended address */ + \
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MAC_MAX_AUX_HEADER_SIZE)
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/**@brief Memory which should be reserved for MAC fields */
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#if (CONFIG_SECURE == 1)
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#define MAC_MEMORY_RESERVE (MAC_MAX_MHR_SIZE + MAX_MIC_SIZE + MAC_MFR_SIZE)
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#else
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#define MAC_MEMORY_RESERVE (MAC_MAX_MHR_SIZE + MAC_MFR_SIZE)
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#endif
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/**@brief Offset of MAC payload in the frame buffer */
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#define MAC_MAX_MSDU_OFFSET MAC_MAX_MHR_SIZE
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/**@brief Possible MAC frame types. */
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typedef enum
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{
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MAC_BEACON, /**< Frame is a beacon. */
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MAC_DATA, /**< Frame is a data frame. */
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MAC_ACK, /**< Frame is a MAC ACKnowledgement. */
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MAC_COMMAND /**< Frame is a MAC command. */
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} mac_frame_type_t;
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/**@brief MAC ADDRESS. */
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typedef union
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{
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uint16_t short_address; /**< 16-bit short address. */
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uint64_t long_address; /**< 64-bit long address. */
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} mac_addr_t;
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/**@brief MAC ADDR MODE. */
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typedef enum
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{
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MAC_ADDR_NONE = 0, /**< NO address is used. */
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MAC_ADDR_SHORT = 2, /**< Short address is used. */
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MAC_ADDR_LONG = 3 /**< Long address is used. */
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} mac_addr_mode_t;
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typedef enum
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{
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MAC_FRAME_VERSION_2003, /**< IEEE 802.15.4-2003 compliant. */
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MAC_FRAME_VERSION_2006 /**< IEEE 802.15.4-2006 compliant. */
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} mac_frame_version_t;
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/**
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* @brief MAC status
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*
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* In accordance with IEEE Std 802.15.4-2006, section 7.1.17
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* excluding:
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* MAC_IS_NOT_AVAILABLE
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* This status is necessary for synchronous API.
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*/
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typedef enum
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{
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MAC_SUCCESS = 0x00, /* 0 */ /**< Operation is successful. */
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MAC_COUNTER_ERROR = 0xDB, /* 219 */ /**< The frame counter purportedly applied
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by the originator of the received
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frame is invalid. */
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MAC_IMPROPER_KEY_TYPE = 0xDC, /* 220 */ /**< The key purportedly applied by the
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originator of the received frame is
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not allowed to be used with that
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frame type according to the key usage
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policy of the recipient. */
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MAC_IMPROPER_SECURITY_LEVEL = 0xDD, /* 221 */ /**< The security level purportedly applied
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by the originator of the received
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frame does not meet the minimum
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security level required/expected by
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the recipient for that frame type. */
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MAC_UNSUPPORTED_LEGACY = 0xDE, /* 222 */ /**< The received frame was purportedly
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secured using security based on IEEE
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Std 802.15.4-2003, and such security
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is not supported by this standard. */
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MAC_UNSUPPORTED_SECURITY = 0xDF, /* 223 */ /**< The security purportedly applied by
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the originator of the received frame
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is not supported. */
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MAC_BEACON_LOSS = 0xE0, /* 224 */ /**< The beacon was lost following a
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synchronization request. */
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MAC_CHANNEL_ACCESS_FAILURE = 0xE1, /* 225 */ /**< A transmission could not take place
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due to activity on the channel, i.e.
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the CSMA-CA mechanism has failed. */
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MAC_DENIED = 0xE2, /* 226 */ /**< The GTS request has been denied by
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the PAN coordinator. */
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MAC_DISABLE_TRX_FAILURE = 0xE3, /* 227 */ /**< The attempt to disable the
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transceiver has failed. */
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MAC_SECURITY_ERROR = 0xE4, /* 228 */ /**< Cryptographic processing of the
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received secured frame failed. */
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MAC_FRAME_TOO_LONG = 0xE5, /* 229 */ /**< Either a frame resulting from
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processing has a length that is
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greater than aMaxPHYPacketSize or
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a requested transaction is too large
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to fit in the CAP or GTS. */
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MAC_INVALID_GTS = 0xE6, /* 230 */ /**< The requested GTS transmission failed
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because the specified GTS either did
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not have a transmit GTS direction or
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was not defined. */
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MAC_INVALID_HANDLE = 0xE7, /* 231 */ /**< A request to purge an MSDU from the
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transaction queue was made using an
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MSDU handle that was not found in
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the transaction table. */
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MAC_INVALID_PARAMETER = 0xE8, /* 232 */ /**< A parameter in the primitive is
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either not supported or is out of
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the valid range. */
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MAC_NO_ACK = 0xE9, /* 233 */ /**< No acknowledgment was received after
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macMaxFrameRetries. */
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MAC_NO_BEACON = 0xEA, /* 234 */ /**< A scan operation failed to find any
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network beacons. */
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MAC_NO_DATA = 0xEB, /* 235 */ /**< No response data was available
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following a request. */
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MAC_NO_SHORT_ADDRESS = 0xEC, /* 236 */ /**< The operation failed because a 16-bit
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short address was not allocated. */
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MAC_OUT_OF_CAP = 0xED, /* 237 */ /**< A receiver enable request was
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unsuccessful because it could not be
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completed within the CAP.
|
||
|
|
@note The enumeration description is
|
||
|
|
not used in this standard, and it is
|
||
|
|
included only to meet the backwards
|
||
|
|
compatibility requirements for
|
||
|
|
IEEE Std 802.15.4-2003. */
|
||
|
|
MAC_PAN_ID_CONFLICT = 0xEE, /* 238 */ /**< A PAN identifier conflict has been
|
||
|
|
detected and communicated to the PAN
|
||
|
|
coordinator. */
|
||
|
|
MAC_REALIGNMENT = 0xEF, /* 239 */ /**< A coordinator realignment command has
|
||
|
|
been received. */
|
||
|
|
MAC_TRANSACTION_EXPIRED = 0xF0, /* 240 */ /**< The transaction has expired and its
|
||
|
|
information was discarded. */
|
||
|
|
MAC_TRANSACTION_OVERFLOW = 0xF1, /* 241 */ /**< There is no capacity to store the
|
||
|
|
transaction. */
|
||
|
|
MAC_TX_ACTIVE = 0xF2, /* 242 */ /**< The transceiver was in the transmitter
|
||
|
|
enabled state when the receiver was
|
||
|
|
requested to be enabled.
|
||
|
|
@note The enumeration description is
|
||
|
|
not used in this standard, and it is
|
||
|
|
included only to meet the backwards
|
||
|
|
compatibility requirements for
|
||
|
|
IEEE Std 802.15.4-2003. */
|
||
|
|
MAC_UNAVAILABLE_KEY = 0xF3, /* 243 */ /**< The key purportedly used by the
|
||
|
|
originator of the received frame is
|
||
|
|
not available or, if available, the
|
||
|
|
originating device is not known or is
|
||
|
|
blacklisted with that particular
|
||
|
|
key. */
|
||
|
|
MAC_UNSUPPORTED_ATTRIBUTE = 0xF4, /* 244 */ /**< A SET/GET request was issued with the
|
||
|
|
identifier of a PIB attribute that is
|
||
|
|
not supported. */
|
||
|
|
MAC_INVALID_ADDRESS = 0xF5, /* 245 */ /**< A request to send data was
|
||
|
|
unsuccessful because neither the source
|
||
|
|
address parameters nor the destination
|
||
|
|
address parameters were present. */
|
||
|
|
MAC_ON_TIME_TOO_LONG = 0xF6, /* 246 */ /**< A receiver enable request was
|
||
|
|
unsuccessful because it specified a
|
||
|
|
number of symbols that was longer than
|
||
|
|
the beacon interval. */
|
||
|
|
MAC_PAST_TIME = 0xF7, /* 247 */ /**< A receiver enable request was
|
||
|
|
unsuccessful because it could not be
|
||
|
|
completed within the current superframe
|
||
|
|
and was not permitted to be deferred
|
||
|
|
until the next superframe. */
|
||
|
|
MAC_TRACKING_OFF = 0xF8, /* 248 */ /**< The device was instructed to start
|
||
|
|
sending beacons based on the timing
|
||
|
|
of the beacon transmissions of its
|
||
|
|
coordinator, but the device is not
|
||
|
|
currently tracking the beacon of its
|
||
|
|
coordinator. */
|
||
|
|
MAC_INVALID_INDEX = 0xF9, /* 249 */ /**< An attempt to write to a MAC PIB
|
||
|
|
attribute that is in a table failed
|
||
|
|
because the specified table index
|
||
|
|
was out of range. */
|
||
|
|
MAC_LIMIT_REACHED = 0xFA, /* 250 */ /**< A scan operation terminated
|
||
|
|
prematurely because the number of
|
||
|
|
PAN descriptors stored reached an
|
||
|
|
implementation specified maximum. */
|
||
|
|
MAC_READ_ONLY = 0xFB, /* 251 */ /**< A SET/GET request was issued with the
|
||
|
|
identifier of an attribute that is
|
||
|
|
read only. */
|
||
|
|
MAC_SCAN_IN_PROGRESS = 0xFC, /* 252 */ /**< A request to perform a scan operation
|
||
|
|
failed because the MLME was in the
|
||
|
|
process of performing a previously
|
||
|
|
initiated scan operation. */
|
||
|
|
MAC_SUPERFRAME_OVERLAP = 0xFD, /* 253 */ /**< The device was instructed to start
|
||
|
|
sending beacons based on the timing
|
||
|
|
of the beacon transmissions of its
|
||
|
|
coordinator, but the instructed start
|
||
|
|
time overlapped the transmission time
|
||
|
|
of the beacon of its coordinator. */
|
||
|
|
/* Statuses out from standard. It is used for synchronous API */
|
||
|
|
MAC_IS_NOT_AVAILABLE = 0xFF /* 255 */ /**< MAC is not available. */
|
||
|
|
} mac_status_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Payload descriptor.
|
||
|
|
*
|
||
|
|
* @details Not covered by the standard.
|
||
|
|
* Contains information sufficient to allow the next higher layer to clean
|
||
|
|
* the memory allocated for incoming frames.
|
||
|
|
*/
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* Pointer to the set of octets forming the frame payload being indicated by
|
||
|
|
* the MAC sublayer entity.
|
||
|
|
*/
|
||
|
|
uint8_t * p_payload;
|
||
|
|
/**
|
||
|
|
* Offset of the payload data relative to the beginning of the frame.
|
||
|
|
* Equal to the MAC header.
|
||
|
|
*/
|
||
|
|
uint8_t payload_offset;
|
||
|
|
} mac_payload_descriptor_t;
|
||
|
|
|
||
|
|
/** @brief Command frame IDs defined by the MAC sublayer that are listed
|
||
|
|
* in Table 82 of the standard.
|
||
|
|
*/
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
MAC_CMD_ASSOC_REQ = 0x01, /**< Association request.*/
|
||
|
|
MAC_CMD_ASSOC_RESP = 0x02, /**< Association response.*/
|
||
|
|
MAC_CMD_DISASSOC_NTF = 0x03, /**< Disassociation notification.*/
|
||
|
|
MAC_CMD_DATA_REQ = 0x04, /**< Data request.*/
|
||
|
|
MAC_CMD_PANID_CONFLICT_NTF = 0x05, /**< PAN ID conflict notification.*/
|
||
|
|
MAC_CMD_ORPHAN_NTF = 0x06, /**< Orphan notification.*/
|
||
|
|
MAC_CMD_BEACON_REQ = 0x07, /**< Beacon request.*/
|
||
|
|
MAC_CMD_COORD_REALIGN = 0x08, /**< Coordinator realignment.*/
|
||
|
|
MAC_CMD_GTS_REQ = 0x09 /**< GTS request.*/
|
||
|
|
} mac_command_id_t;
|
||
|
|
/** @} */
|
||
|
|
|
||
|
|
|
||
|
|
#endif // MAC_COMMON_H_INCLUDED
|