HL-PDJ-1/components/802_15_4/api/MAC/mac_mcps_data.h
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/**
* Copyright (c) 2016 - 2020 Nordic Semiconductor ASA and Luxoft Global Operations Gmbh.
*
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
*
* 1. Redistributions of source code must retain the above copyright notice, this
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*
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* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
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*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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*
* 4. This software, with or without modification, must only be used with a
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*
*
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*/
#ifndef MAC_MCPS_DATA_H_INCLUDED
#define MAC_MCPS_DATA_H_INCLUDED
#include <stdint.h>
#include "mac_common.h"
#include "mac_task_scheduler.h"
/** @file
* The MAC Data module declares the MAC Data transmittion routines and necessary types
* according to the MAC specification.
*
* @defgroup mac_data MAC MCPS Data API
* @ingroup mac_15_4
* @{
* @brief Module to declare MAC MCPS Data API.
* @details The MAC MCPS Data module declares the MAC Data transmission routines and necessary types according
* to the MAC specification. More specifically, MAC data request mcps_data_req(), and MAC Data
* indication mcps_data_ind() primitives are declared. The confirmation callback typedef is
* declared as mcps_data_conf_cb_t.
*/
/**
* @brief TX options bit fields.
*
* In accordance with IEEE Std 802.15.4-2006, section 7.1.1.1.
*/
#define TX_ACKNOWLEDGED_BIT (0)
#define TX_GTS_BIT (1)
#define TX_INDIRECT_BIT (2)
/**
* @brief TX options for MAC data transmission.
*
* @details The three bits (b0, b1, b2) indicate the transmission options for this MSDU.
* For b0, 1 = acknowledged transmission, 0 = unacknowledged transmission.
* For b1, 1 = GTS transmission, 0 = CAP transmission for a beacon-enabled PAN.
* For b2, 1 = indirect transmission, 0 = direct transmission.
* For a nonbeacon-enabled PAN, bit b1 should always be set to 0.
*/
typedef struct
{
uint8_t ack : 1;
uint8_t gts : 1;
uint8_t indirect : 1;
uint8_t : 5;
} mac_tx_options_t;
/**
* @brief MCPS-DATA.confirm.
*
* @details The MCPS-DATA.confirm primitive reports the results of a request to transfer
* a data SPDU (MSDU) from a local SSCS entity to a single peer SSCS entity.
*
* In accordance with IEEE Std 802.15.4-2006, section 7.1.1.2.
*/
typedef struct
{
/** The handle associated with the MSDU being confirmed. */
uint8_t msdu_handle;
/** The status of the last MSDU transmission. */
mac_status_t status;
/**
* Optional. The time, in symbols, at which the data was transmitted (see 7.5.4.1).
*
* The value of this parameter will be considered valid only if the value of the
* status parameter is SUCCESS; if the status parameter is not equal to
* SUCCESS, the value of the Timestamp parameter will not be used for any other
* purpose. The symbol boundary is described by macSyncSymbolOffset (see Table 86 in 7.4.1).
*
* This is a 24-bit value, and the precision of this value will be a minimum of 20 bits,
* with the lowest 4 bits being the least significant.
*/
uint32_t timestamp;
} mcps_data_conf_t;
/**
* @brief MCPS-DATA.request.
*
* @details The MCPS-DATA.request primitive requests the transfer of
* a data SPDU (i.e., MSDU) from a local SSCS entity to a single peer SSCS entity.
*
* In accordance with IEEE Std 802.15.4-2006, section 7.1.1.1.
*/
typedef struct
{
/** Do not edit this field. */
mac_abstract_req_t service;
/** Confirm to this request. */
mcps_data_conf_t confirm;
/**
* The source addressing mode for this primitive and
* subsequent MPDU. This value can take one of the following values:
* @ref mac_addr_mode_t
* 0x00 = no address (addressing fields omitted, see 7.2.1.1.8).
* 0x01 = reserved.
* 0x02 = 16-bit short address.
* 0x03 = 64-bit extended address.
*/
mac_addr_mode_t src_addr_mode;
/**
* The destination addressing mode for this primitive
* and subsequent MPDU.
* According to 7.1.1.1.1, Table 41.
*/
mac_addr_mode_t dst_addr_mode;
/** The 16-bit PAN identifier of the entity to which the MSDU is being transferred. */
uint16_t dst_pan_id;
/** The individual device address of the entity to which the MSDU is being transferred. */
mac_addr_t dst_addr;
/** The number of octets contained in the MSDU to be transmitted by
* the MAC sublayer entity.
*/
uint8_t msdu_length;
/**
* The pointer to the set of octets forming the MSDU
* to be transmitted by the MAC sublayer entity.
*
* Caller must provide enough space for MAC and PHY header before this pointer.
*/
uint8_t * msdu;
/** The handle associated with the MSDU to be transmitted by the MAC sublayer entity. */
uint8_t msdu_handle;
/**
* The bits (b0, b1, b2) indicate the transmission options for this MSDU.
* For b0, 1 = acknowledged transmission, 0 = unacknowledged transmission.
* For b1, 1 = GTS transmission, 0 = CAP transmission for a beacon-enabled PAN.
* For b2, 1 = indirect transmission, 0 = direct transmission.
* For a nonbeacon-enabled PAN, bit b1 should always be set to 0.
*/
mac_tx_options_t tx_options;
#if (CONFIG_SECURE == 1)
uint8_t security_level; /**< Security level. */
uint8_t key_id_mode; /**< Key ID node. */
uint64_t key_source; /**< Key source. */
uint8_t key_index; /**< Key index. */
#endif
} mcps_data_req_t;
/**
* @brief Private information passed with MCPS-DATA.indication.
* Not covered by the standard.
*/
typedef struct
{
/** RSSI value, which corresponds to packet that caused this indication. */
int8_t rssi;
/** Value of a pending bit from MHR. */
uint8_t pending_bit;
} mcps_data_ind_private_t;
/**
* @brief MCPS-DATA.indication
*
* @details The MCPS-DATA.indication primitive indicates the transfer of
* a data SPDU (i.e., MSDU) from the MAC sublayer to the local SSCS entity.
*
* In accordance with IEEE Std 802.15.4-2006, section 7.1.1.3
*/
typedef struct
{
mcps_data_ind_private_t service;
/**
* The source addressing mode for this primitive corresponding to the received MPDU.
* According to 7.1.1.1.1, Table 43.
*/
mac_addr_mode_t src_addr_mode;
/** The 16-bit PAN identifier of the entity from which the MSDU was received. */
uint16_t src_pan_id;
/** The individual device address of the entity from which the MSDU was received. */
mac_addr_t src_addr;
/**
* The destination addressing mode for this primitive corresponding to the received MPDU.
* According to 7.1.1.1.1, Table 43.
*/
mac_addr_mode_t dst_addr_mode;
/** The 16-bit PAN identifier of the entity to which the MSDU is being transferred. */
uint16_t dst_pan_id;
/** The individual device address of the entity to which the MSDU is being transferred. */
mac_addr_t dst_addr;
/** The number of octets contained in the MSDU being indicated by the MAC sublayer entity. */
uint8_t msdu_length;
/**
* The information that is required for the next higher layer to read incoming message and to
* free the memory allocated for this message.
*/
mac_payload_descriptor_t msdu;
/**
* LQI value measured during reception of the MPDU.
* Lower values represent lower LQI (see 6.9.8).
*/
uint8_t mpdu_link_quality;
/** The DSN of the received data frame. */
uint8_t dsn;
/**
* Optional. The time, in symbols, at which the data was received (see 7.5.4.1).
* The symbol boundary is described by macSyncSymbolOffset (see Table 86 in 7.4.1).
*
* This is a 24-bit value, and the precision of this value shall be a minimum of 20 bits,
* with the lowest 4 bits being the least significant.
*/
uint32_t timestamp;
#if (CONFIG_SECURE == 1)
uint8_t security_level; /**< Security level. */
uint8_t key_id_mode; /**< Key ID node. */
uint64_t key_source; /**< Key source. */
uint8_t key_index; /**< Key index. */
#endif
} mcps_data_ind_t;
/**
* @brief Confirmation function.
*
* @details The MCPS-DATA.confirm primitive is generated by the MAC sublayer
* entity in response to an MCPS-DATA. request primitive. The MCPS-DATA.confirm
* primitive returns a status of either SUCCESS, indicating that the request to
* transmit was successful, or the appropriate error code.
* The status values are fully described in 7.1.1.1.3 and subclauses referenced by 7.1.1.1.3.
*
* @param Pointer to confirmation primitive.
*/
typedef void (* mcps_data_conf_cb_t)(mcps_data_conf_t *);
/**
* @brief MCPS-DATA.request service
*
* @details The MCPS-DATA.request primitive is generated by a local SSCS entity
* when a data SPDU (i.e., MSDU) is to be transferred to a peer SSCS entity.
* After request completion, user callback will be issued with
* valid data stored in structure @ref mcps_data_conf_t.
*
* @param req Pointer to MCPS-DATA request structure.
* @param conf_cb Pointer to confirmation function (user callback).
*
* In accordance with IEEE Std 802.15.4-2006, section 7.1.1.2.
*/
void mcps_data_req(mcps_data_req_t * req, mcps_data_conf_cb_t conf_cb);
/**
* @brief MCPS-DATA.indication handler.
*
* @details The MCPS-DATA.indication primitive is generated by the MAC sublayer and
* issued to the SSCS on receipt of a data frame at the local MAC sublayer entity
* that passes the appropriate message filtering operations as described in 7.5.6.2.
*
* @param ind MCPS-DATA.indication structure.
*
* In accordance with IEEE Std 802.15.4-2006, section 7.1.1.3.
*/
extern void mcps_data_ind(mcps_data_ind_t * ind);
/**
* @brief Free memory allocated for incoming message.
*
* @details The function will be invoked after all manipulations
* with MSDU are completed. That is necessary to return the memory allocated by MAC
* into the heap.
*
* @param p_payload_descriptor - Pointer to MSDU descriptor.
*/
void mac_mem_msdu_free(mac_payload_descriptor_t * p_payload_descriptor);
/** @} */
#endif // MAC_MCPS_DATA_H_INCLUDED