mac_data_req.c File Reference

Implements data request related functions.

Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries.

#include <compiler.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
#include "return_val.h"
#include "pal.h"
#include "bmm.h"
#include "qmm.h"
#include "tal.h"
#include "ieee_const.h"
#include "mac_msg_const.h"
#include "mac_api.h"
#include "mac_msg_types.h"
#include "mac_data_structures.h"
#include "stack_config.h"
#include "mac_internal.h"
#include "mac.h"
#include "mac_build_config.h"

Macros
#define	DATA_REQ_PAYLOAD_LEN   (1)

Functions
static buffer_t *	build_null_data_frame (void)
static uint8_t	find_long_buffer (void *buf, void *long_addr)
static uint8_t	find_short_buffer (void *buf, void *short_addr)
bool	mac_build_and_tx_data_req (bool expl_poll, bool force_own_long_addr, uint8_t expl_dest_addr_mode, address_field_t *expl_dest_addr, uint16_t expl_dest_pan_id)
	Build and transmits data request command frame. More...
void	mac_handle_tx_null_data_frame (void)
void	mac_process_data_request (buffer_t *msg)
	Processes a received data request command frame. More...

#define DATA_REQ_PAYLOAD_LEN   (1)

Referenced by mac_build_and_tx_data_req().

static buffer_t * build_null_data_frame ( void  )

static

References bmm_buffer_alloc(), BMM_BUFFER_POINTER, BROADCAST, frame_info_tag::buffer_header, convert_16_bit_to_byte_array(), convert_64_bit_to_byte_array(), convert_spec_16_bit_to_byte_array(), FCF_FRAMETYPE_DATA, FCF_LONG_ADDR, FCF_PAN_ID_COMPRESSION, FCF_SET_DEST_ADDR_MODE, FCF_SET_FRAMETYPE, FCF_SET_SOURCE_ADDR_MODE, FCF_SHORT_ADDR, frame_info_tag::indirect_in_transit, LARGE_BUFFER_SIZE, address_field_t::long_address, mac_pib_tag::mac_DSN, MAC_NO_SHORT_ADDR_VALUE, mac_parse_data, mac_pib, frame_info_tag::mpdu, frame_info_tag::msg_type, NULL_FRAME, address_field_t::short_address, parse_tag::src_addr, parse_tag::src_addr_mode, parse_tag::src_panid, and tal_pib.

Referenced by mac_handle_tx_null_data_frame().

static uint8_t find_long_buffer ( void *  buf, void *  long_addr  )

static

References convert_byte_array_to_64_bit(), FCF_2_DEST_ADDR_OFFSET, FCF_ADDR_MASK, FCF_LONG_ADDR, frame_info_tag::indirect_in_transit, frame_info_tag::mpdu, PL_POS_DST_ADDR_START, and PL_POS_FCF_2.

Referenced by mac_process_data_request().

static uint8_t find_short_buffer ( void *  buf, void *  short_addr  )

static

References convert_byte_array_to_16_bit(), FCF_2_DEST_ADDR_OFFSET, FCF_ADDR_MASK, FCF_SHORT_ADDR, frame_info_tag::indirect_in_transit, frame_info_tag::mpdu, PL_POS_DST_ADDR_START, and PL_POS_FCF_2.

Referenced by mac_process_data_request().