mbed-os/features/nanostack/sal-stack-nanostack/source/MLE/mle.h

249 lines
10 KiB
C

/*
* Copyright (c) 2013-2017, 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.
*/
#ifndef MLE_H_
#define MLE_H_
#include "nsconfig.h"
#include "Core/include/address.h"
#include "ns_list.h"
struct buffer;
#ifndef MAX_MLE_INFO_CNT
#ifdef CORTEXM3_STM32W108CC
#define MAX_MLE_INFO_CNT 40
#else
#define MAX_MLE_INFO_CNT 256
#endif
#endif
#define MLE_MAX_ROUTERS 64
/* Route option layout: 1 Sequence byte, ID mask (bit per router), Data (byte per valid ID) */
#define MLE_ROUTE_ID_MASK_SIZE ((MLE_MAX_ROUTERS+7)/8)
#define MLE_ROUTE_MAX_DATA_SIZE MLE_MAX_ROUTERS
#define MLE_ROUTE_MIN_OPTION_LEN (1 + MLE_ROUTE_ID_MASK_SIZE)
/* MLE messge types */
#define MLE_COMMAND_REQUEST 0
#define MLE_COMMAND_ACCEPT 1
#define MLE_COMMAND_ACCEPT_AND_REQUEST 2
#define MLE_COMMAND_REJECT 3
#define MLE_COMMAND_ADVERTISEMENT 4
#define MLE_COMMAND_UPDATE 5
#define MLE_COMMAND_UPDATE_REQUEST 6
/* New messages for Thread */
#define MLE_COMMAND_DATA_REQUEST 7
#define MLE_COMMAND_DATA_RESPONSE 8
#define MLE_COMMAND_PARENT_REQUEST 9 //Old MLE attache message number 1
#define MLE_COMMAND_PARENT_RESPONSE 10 //Old MLE attache message number 2
#define MLE_COMMAND_CHILD_ID_REQUEST 11 //Old MLE attache message number 3
#define MLE_COMMAND_CHILD_ID_RESPONSE 12 //Old MLE attache message number 4
#define MLE_COMMAND_CHILD_UPDATE_REQUEST 13
#define MLE_COMMAND_CHILD_UPDATE_RESPONSE 14
#define MLE_COMMAND_DATASET_ANNOUNCE 15
#define MLE_COMMAND_DISCOVERY_REQUEST 16
#define MLE_COMMAND_DISCOVERY_RESPONSE 17
#define MLE_COMMAND_METRIC_MANAGEMENT_REQUEST 18 // Experimental for BH
#define MLE_COMMAND_METRIC_MANAGEMENT_RESPONSE 19 // Experimental for BH
#define MLE_COMMAND_PROBE 20 // Experimental for BH
#define MLE_UPDATE_CHANNEL 0
#define MLE_UPDATE_PAN_ID 1
#define MLE_UPDATE_PERMIT_MSG 2
#define MLE_UPDATE_BEACON_PAYLOAD 3
#define MLE_UPDATE_CHANNEL_FLAG (1 << 0)
#define MLE_UPDATE_PAN_ID_FLAG (1 << 1)
#define MLE_UPDATE_PERMIT_MSG_FLAG (1 << 2)
#define MLE_UPDATE_BEACON_PAYLOAD_FLAG (1 << 3)
#define MLE_UPDATE_PROCESS_TRIG 0x80
#define MLE_ERROR_NO_ERROR 0
#define MLE_ERROR_BUFFER_ERROR 1
#define MLE_ERROR_ADDRESS_ERROR 2
#define MLE_ERROR_WRONG_TYPE 3
#define MLE_ERROR_ALLOCATION_ERROR 4
#define MLE_ERROR_DATA_TOO_LONG 5
#define MLE_ERROR_UNSUPPORTED_TYPE 6
#define MLE_ERROR_RESPONSE_NOT_WAITED 7
#define MLE_CHALLENGE_SIZE 4
#define MLE_RESPONSE_SIZE 32
#define MLE_MAX_SIZE 116
/* MLE TLV types */
typedef enum mle_tlv_type_t_ {
/* draft-kelsey-intarea-mesh-link-establishment-06 */
MLE_TYPE_SRC_ADDRESS = 0,
MLE_TYPE_MODE = 1,
MLE_TYPE_TIMEOUT = 2,
MLE_TYPE_CHALLENGE = 3,
MLE_TYPE_RESPONSE = 4,
MLE_TYPE_LL_FRAME_COUNTER = 5,
MLE_TYPE_LINK_QUALITY = 6,
MLE_TYPE_NWK_PARAM = 7,
MLE_TYPE_MLE_FRAME_COUNTER = 8,
/* Thread MLE Extensions (draft-kelsey-thread-mle-01) */
MLE_TYPE_ROUTE = 9,
MLE_TYPE_ADDRESS16 = 10,
MLE_TYPE_LEADER_DATA = 11,
MLE_TYPE_NETWORK_DATA = 12,
MLE_TYPE_TLV_REQUEST = 13,
MLE_TYPE_SCAN_MASK = 14,
MLE_TYPE_CONNECTIVITY = 15,
MLE_TYPE_RSSI = 16,
MLE_TYPE_STATUS = 17,
MLE_TYPE_VERSION = 18,
MLE_TYPE_ADDRESS_REGISTRATION = 19,
MLE_TYPE_CHANNEL = 20,
MLE_TYPE_PANID = 21,
MLE_TYPE_ACTIVE_TIMESTAMP = 22,
MLE_TYPE_PENDING_TIMESTAMP = 23,
MLE_TYPE_OPERATIONAL_DATASET = 24,
MLE_TYPE_PENDING_OPERATIONAL_DATASET = 25,
MLE_TYPE_DISCOVERY = 26,
/* Thread low power TLVs*/
MLE_TYPE_LINK_METRICS_QUERY = 87,
MLE_TYPE_LINK_METRICS_MANAGEMENT = 88,
MLE_TYPE_LINK_METRICS_REPORT = 89,
MLE_TYPE_UNASSIGNED = 0xFF
} mle_tlv_type_t;
#define MLE_STATUS_ERROR 1
/* MLE Mode = IEEE 802.15.4 Capability Information */
#define MLE_DEV_MASK 2
#define MLE_FFD_DEV 2
#define MLE_RFD_DEV 0
#define MLE_RX_ON_IDLE 8
/** Thead Spesific ModeFlags */
#define MLE_THREAD_SECURED_DATA_REQUEST 0x04
#define MLE_THREAD_REQ_FULL_DATA_SET 0x01
#define MLE_TIMER_TICKS_SECONDS 4
#define MLE_TIMER_TICKS_MS (MLE_TIMER_TICKS_SECONDS*1000)
#define MLE_TABLE_CHALLENGE_TIMER 3
#define MLE_NEIGHBOR_PRIORITY_LINK (1 << 5)
#define MLE_NEIGHBOR_OUTGOING_LINK (1 << 6)
#define MLE_NEIGHBOR_INCOMING_LINK (1 << 7)
typedef struct mle_neigh_table_entry_t {
uint8_t attribute_index;
uint16_t ttl; /*!< destination TTL * 4 seconds */
uint32_t last_contact_time; /*!< monotonic time - hard to define "contact"; used for Thread Leasequery replies */
uint32_t mle_frame_counter;
uint16_t timeout_rx;
uint16_t holdTime;
uint16_t link_margin;
uint8_t mac64[8]; /*!< MAC64 */
uint8_t mlEid[8];
uint16_t short_adr;
uint8_t mode;
uint16_t etx; /*!< 12 bits fraction */
uint16_t stored_diff_etx; /*!< 12 bits fraction */
uint8_t remote_incoming_idr; /*!< 5 bits fraction */
uint32_t last_key_sequence;
unsigned accumulated_failures: 5;
unsigned new_key_pending:1;
unsigned link_q_adv_sent: 1;
unsigned tmp_etx: 1;
unsigned priority_child_flag: 1; /* Is using our node as preferred parent */
unsigned second_priority_flag: 1; /* Is secondary parent */
unsigned thread_commission: 1;
unsigned threadNeighbor: 1;
unsigned priorityFlag: 1;
unsigned handshakeReady: 1;
unsigned medium_ttl_challenge: 1;
unsigned linkIdr: 4;
ns_list_link_t link;
} mle_neigh_table_entry_t ;
typedef NS_LIST_HEAD(mle_neigh_table_entry_t, link) mle_neigh_table_list_t;
/* MLE TLV types */
typedef enum mle_class_user_mode {
MLE_CLASS_ROUTER = 0,
MLE_CLASS_END_DEVICE,
MLE_CLASS_SLEEPY_END_DEVICE,
} mle_class_user_mode;
//MLE table class function pointer types
/**
* Remove entry notify
*/
typedef void mle_entry_user_entry_remove_notify(int8_t interface_id, mle_neigh_table_entry_t *entry_ptr);
typedef int8_t mle_entry_link_keep_alive(int8_t interface_id, const uint8_t *mac64);
typedef bool mle_entry_interface_activate(int8_t interface_id);
int8_t mle_class_init(int8_t interface_id, uint8_t table_size, mle_entry_user_entry_remove_notify *remove_cb, mle_entry_link_keep_alive *keep_alive_cb, mle_entry_interface_activate *interface_is_active);
int8_t mle_class_router_challenge(int8_t interface_id,mle_entry_link_keep_alive *challenge_cb);
bool mle_class_exists_for_interface(int8_t interface_id);
int8_t mle_class_deallocate(int8_t interface_id);
int8_t mle_class_list_clean(int8_t interface_id);
int8_t mle_class_mode_set(int8_t interface_id,mle_class_user_mode mode);
int8_t mle_class_set_new_key_pending(int8_t interface_id);
int16_t mle_class_free_entry_count_get(int8_t interface_id);
mle_neigh_table_entry_t *mle_class_get_entry_by_ll64(int8_t interface_id, uint8_t linkMargin, const uint8_t *ipv6Address, bool allocateNew, bool *new_entry_allocated);
mle_neigh_table_entry_t *mle_class_discover_entry_by_ll64(int8_t interface_id, const uint8_t *ipv6Address);
mle_neigh_table_entry_t *mle_class_get_entry_by_mac64(int8_t interface_id, uint8_t linkMargin, const uint8_t *mac64, bool allocateNew, bool *new_entry_allocated);
mle_neigh_table_entry_t *mle_class_get_by_link_address(int8_t interface_id, const uint8_t *address, addrtype_t type);
mle_neigh_table_entry_t *mle_class_get_by_device_attribute_id(int8_t interface_id, uint8_t attribute_index);
int8_t mle_class_remove_entry(int8_t interface_id, mle_neigh_table_entry_t *entry);
int8_t mle_class_remove_neighbour(int8_t interface_id, const uint8_t *address, addrtype_t type);
mle_neigh_table_list_t *mle_class_active_list_get(int8_t interface_id);
int16_t mle_class_sleepy_entry_count_get(int8_t interface_id);
int16_t mle_class_rfd_entry_count_get(int8_t interface_id);
uint16_t mle_class_active_neigh_counter(int8_t interface_id);
/**
* Function to refresh Neigh Entry when get some trusted response or spesified place
*/
mle_neigh_table_entry_t *mle_refresh_entry_timeout(int8_t interfaceId, const uint8_t *addressPtr, addrtype_t addressType, bool dataPollConfirmation);
bool mle_neigh_entry_frame_counter_update(mle_neigh_table_entry_t *entry_temp, uint8_t *tlv_ptr, uint16_t tlv_length, struct protocol_interface_info_entry *cur, uint8_t key_id);
uint8_t *mle_general_write_source_address(uint8_t *ptr, struct protocol_interface_info_entry *cur);
uint8_t *mle_general_write_link_layer_framecounter(uint8_t *ptr, struct protocol_interface_info_entry *cur);
void mle_entry_timeout_update(mle_neigh_table_entry_t *entry_temp, uint32_t timeout_tlv);
void mle_entry_timeout_refresh(mle_neigh_table_entry_t *entry_temp);
#endif /* MLE_H_ */