mbed-os/source/MAC/IEEE802_15_4/mac_mcps_sap.h

212 lines
6.8 KiB
C

/*
* Copyright (c) 2016-2018, Arm Limited and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* mac_mcps_sap.h
*
* Created on: 19 Jan 2016
* Author: juhhei01
*/
#ifndef MAC_IEEE802_15_4_MAC_MCPS_SAP_H_
#define MAC_IEEE802_15_4_MAC_MCPS_SAP_H_
#include "mlme.h"
#include "mac_common_defines.h"
struct protocol_interface_rf_mac_setup;
struct mcps_data_req_s;
struct arm_phy_sap_msg_s;
struct mcps_purge_s;
struct mcps_data_ie_list;
struct mcps_data_req_ie_list;
struct channel_list_s;
/** Address types */
typedef enum {
MAC_FRAME_REQ, /*!< MAC upper layer data request message */
MAC_PHY_RAW_REQ,
MAC_PARSED_FRAME_IND, /*!< PD-SAP parsed MAC Frame */
} mac_mcps_primitiv_type;
#define MAC_PD_DATA_NORMAL_PRIORITY 0 //Normal MCPS DATA REQ
#define MAC_PD_DATA_MEDIUM_PRIORITY 1 //Indirect Data which is polled
#define MAC_PD_DATA_HIGH_PRIOTITY 2 //Beacon request Beacon response
#define MCPS_SAP_DATA_IND_EVENT 1
#define MCPS_SAP_DATA_CNF_EVENT 2
#define MCPS_SAP_DATA_CNF_FAIL_EVENT 3
#define MAC_MLME_EVENT_HANDLER 4
#define MAC_MCPS_INDIRECT_TIMER_CB 5
#define MAC_MLME_SCAN_CONFIRM_HANDLER 6
#define MAC_SAP_TRIG_TX 7
#define MCPS_SAP_DATA_ACK_CNF_EVENT 8
/**
* @brief struct mac_aux_security_header_t MAC auxiliarity security header structure
* INTERNAL use only
*/
typedef struct mac_aux_security_header_s {
unsigned securityLevel: 3;
unsigned KeyIdMode: 2;
uint32_t frameCounter;
uint8_t Keysource[8];
uint8_t KeyIndex;
} mac_aux_security_header_t;
typedef struct mac_fcf_sequence_s {
unsigned frametype: 3;
bool securityEnabled: 1;
bool framePending : 1;
bool ackRequested: 1;
bool intraPan: 1;
bool sequenceNumberSuppress: 1;
bool informationElementsPresets: 1;
bool DstPanPresents: 1;
bool SrcPanPresents: 1;
unsigned DstAddrMode: 2; /*0x00 = no address 0x01 = reserved 0x02 = 16-bit short address 0x03 = 64-bit extended address */
unsigned frameVersion: 2;
unsigned SrcAddrMode: 2; /*0x00 = no address 0x01 = reserved 0x02 = 16-bit short address 0x03 = 64-bit extended address */
uint8_t DSN;
} mac_fcf_sequence_t;
typedef struct mac_pre_parsed_frame_s {
void *mac_class_ptr;
uint8_t *payloadsIePtr;
uint8_t *headerIePtr;
uint8_t *macPayloadPtr;
mlme_device_descriptor_t *neigh_info;
uint8_t LQI;
int8_t dbm;
mac_fcf_sequence_t fcf_dsn;
uint16_t frameLength; //Encoded or open payload length
uint16_t payloadsIeLength;
uint16_t headerIeLength;
uint16_t mac_header_length;
uint16_t header_ie_length;
uint8_t security_aux_header_length;
uint16_t mac_payload_length;
uint32_t timestamp;
bool ack_pendinfg_status;
uint8_t buf[]; /*!< Trailing buffer data */
} mac_pre_parsed_frame_t;
typedef struct mac_pre_build_frame {
mac_fcf_sequence_t fcf_dsn;
uint16_t DstPANId;
uint8_t DstAddr[8];
uint16_t SrcPANId;
uint8_t SrcAddr[8];
mac_aux_security_header_t aux_header;
uint8_t mac_command_id; //For MLME
uint16_t payloadsIeLength;
uint16_t headerIeLength;
uint16_t mac_payload_length;
uint16_t mac_header_length_with_security;
uint8_t msduHandle;
uint16_t buffer_ttl;
struct mcps_data_req_ie_list ie_elements;
struct channel_list_s asynch_channel_list;
uint8_t *mac_payload;
uint8_t status;
uint8_t asynch_channel;
uint32_t tx_time;
bool upper_layer_request;
bool mac_allocated_payload_ptr: 1;
bool asynch_request: 1;
bool message_builded: 1;
unsigned security_mic_len: 5; //Max possible lengths 0, 4, 8, 16 bytes
unsigned priority: 2;
struct mac_pre_build_frame *next; //Pointer for queue purpose
} mac_pre_build_frame_t;
void mac_generic_event_trig(uint8_t event_type, void *mac_ptr, bool low_latency);
/**
* Create MAC MCPS event handler tasklet
*/
int8_t mac_mcps_sap_tasklet_init(void);
/**
* Free MAC MCPS SAP layer pre parsed buffer
*/
void mcps_sap_pre_parsed_frame_buffer_free(mac_pre_parsed_frame_t *buf);
/**
* Allocate MCPS SAP data request buffer frame
*
* \param payload_size set 0 when MCPS-DATA-REQUSEST other wise MAC internal packet send need to set dynamic payload size!!
*/
mac_pre_build_frame_t *mcps_sap_prebuild_frame_buffer_get(uint16_t payload_size);
/**
* Free MCPS SAP data request buffer frame
*
* \param buffer pointer to allocated frame
*/
void mcps_sap_prebuild_frame_buffer_free(mac_pre_build_frame_t *buffer);
void mcps_sap_pd_req_queue_write(struct protocol_interface_rf_mac_setup *rf_mac_setup, mac_pre_build_frame_t *buffer);
/**
* Allocate MAC MCPS SAP layer buffer for received PHY layer Data Indication
*/
mac_pre_parsed_frame_t *mcps_sap_pre_parsed_frame_buffer_get(const uint8_t *data_ptr, uint16_t frame_length);
/**
* Forward Buffer for MAC MCPS SAP layer event handler
*/
int8_t mcps_sap_pd_ind(mac_pre_parsed_frame_t *buffer);
/**
* MAC MCPS SAP layer data confirmation event trig
*/
int8_t mcps_sap_pd_confirm(void *mac_ptr);
int8_t mcps_sap_pd_confirm_failure(void *mac_ptr);
void mcps_sap_pd_ack(void *ack_ptr);
int8_t mac_virtual_sap_data_cb(void *identifier, struct arm_phy_sap_msg_s *message);
void mcps_sap_data_req_handler(struct protocol_interface_rf_mac_setup *rf_mac_setup, const struct mcps_data_req_s *data_req);
void mcps_sap_data_req_handler_ext(struct protocol_interface_rf_mac_setup *rf_mac_setup, const struct mcps_data_req_s *data_req, const struct mcps_data_req_ie_list *ie_list, const channel_list_s *asynch_channel_list);
void mac_mcps_trig_buffer_from_queue(struct protocol_interface_rf_mac_setup *rf_mac_setup);
void mac_mcps_buffer_queue_free(struct protocol_interface_rf_mac_setup *rf_mac_setup);
bool mac_is_ack_request_set(mac_pre_build_frame_t *buffer);
int mac_convert_frame_type_to_fhss(uint8_t frame_type);
void mcps_sap_trig_tx(void *mac_ptr);
uint8_t mcps_sap_purge_reg_handler(struct protocol_interface_rf_mac_setup *rf_mac_setup, const struct mcps_purge_s *purge_req);
int8_t mcps_pd_data_rebuild(struct protocol_interface_rf_mac_setup *rf_ptr, mac_pre_build_frame_t *buffer);
int8_t mcps_generic_ack_build(struct protocol_interface_rf_mac_setup *rf_ptr, const mac_fcf_sequence_t *fcf, const uint8_t *data_ptr, const mcps_ack_data_payload_t *ack_payload, uint32_t rx_time);
#endif /* MAC_IEEE802_15_4_MAC_MCPS_SAP_H_ */