HL-PDJ-1/components/802_15_4/api/MAC/mac_mcps_purge.h
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/**
* Copyright (c) 2016 - 2020 Nordic Semiconductor ASA and Luxoft Global Operations Gmbh.
*
* All Rights Reserved.
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* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
*
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*
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*/
#ifndef MAC_MCPS_PURGE_H_INCLUDED
#define MAC_MCPS_PURGE_H_INCLUDED
#if (CONFIG_PURGE_ENABLED == 1)
#include <stdint.h>
#include "mac_common.h"
#include "mac_task_scheduler.h"
/** @file
* The MAC Purge module declares the MAC Purge routines and necessary types
* according to the MAC specification.
*
* @defgroup mac_purge MAC MCPS Purge API
* @ingroup mac_15_4
* @{
* @brief Module to declare MAC MCPS Purge API.
* @details The MAC MCPS Purge module declares the MAC Purge routines and necessary types according to
* the MAC specification. More specifically, MAC purge request mcps_purge_req(), and the
* confirmation callback typedef is declared as mcps_purge_conf_cb_t. An additional primitive
* not covered by the standard is declared. This is mpcs_purge() which is a synchronous version
* of mcps_purge_req().
*/
/**
* @brief MCPS-PURGE.confirm.
*
* @details The MCPS-PURGE.confirm primitive allows the MAC sublayer to notify the next higher layer
* of the success of its request to purge an MSDU from the transaction queue.
*
* In accordance with IEEE Std 802.15.4-2006, section 7.1.1.5.
*/
typedef struct
{
/** The handle of the MSDU to be purged from the transaction queue. */
uint8_t msdu_handle;
/** The status of the request to be purged an MSDU from the transaction queue. */
mac_status_t status;
} mcps_purge_conf_t;
/**
* @brief MCPS-PURGE.request.
*
* @details The MCPS-PURGE.request primitive allows the next higher layer
* to purge an MSDU from the transaction queue.
*
* In accordance with IEEE Std 802.15.4-2006, section 7.1.1.4.
*/
typedef struct
{
/** Do not edit this field. */
mac_abstract_req_t service;
/** Confirmation to this request. */
mcps_purge_conf_t confirm;
/** The handle of the MSDU to be purged from the transaction queue. */
uint8_t msdu_handle;
} mcps_purge_req_t;
/**
* @brief Confirmation function.
*
* @details The MCPS-PURGE.confirm primitive is generated by the MAC sublayer
* entity in response to an MCPS-PURGE.request primitive. The MCPS-PURGE.confirm
* primitive returns a status of either SUCCESS, indicating that the purge request
* was successful, or INVALID_HANDLE, indicating an error.
* The status values are fully described in 7.1.1.4.3.
*
* @param Pointer to confirmation primitive.
*/
typedef void (* mcps_purge_conf_cb_t)(mcps_purge_conf_t *);
/**
* @brief MCPS-PURGE.request service.
*
* @details The MCPS-PURGE.request primitive is generated by the next higher layer
* whenever an MSDU is to be purged from the transaction queue.
* After request completion, user callback will be issued with
* valid data stored in structure mcps_purge_conf_t.
*
* @param req Pointer to MCPS-PURGE request structure.
* @param conf_cb Pointer to the confirmation function (user callback).
*
* In accordance with IEEE Std 802.15.4-2006, section 7.1.1.4.
*/
void mcps_purge_req(mcps_purge_req_t * req, mcps_purge_conf_cb_t conf_cb);
/**
* @brief Performs MCPS-PURGE.request directly (without request - confirm approach).
*
* @details Optional. Not covered by the standard.
*
* The MCPS-PURGE.request primitive is generated by the next higher layer
* whenever an MSDU is to be purged from the transaction queue.
*
* @param req Pointer to MCPS-PURGE request structure.
*
* @return Result of the purge procedure.
*/
mac_status_t mcps_purge(mcps_purge_req_t * req);
/** @} */
#endif // (CONFIG_PURGE_ENABLED == 1)
#endif // MAC_MCPS_PURGE_H_INCLUDED