kopia lustrzana https://github.com/espressif/esp-idf
205 wiersze
6.5 KiB
C
205 wiersze
6.5 KiB
C
/*
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* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "esp_log.h"
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#include "esp_err.h"
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#include "lwip/inet.h"
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#include "esp_wifi_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define WIFI_NAN_CONFIG_DEFAULT() { \
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.op_channel = 6, \
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.master_pref = 2, \
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.scan_time = 3, \
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.warm_up_sec = 5, \
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};
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#define NDP_STATUS_ACCEPTED 1
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#define NDP_STATUS_REJECTED 2
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#define NAN_MAX_PEERS_RECORD 15
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#define ESP_NAN_PUBLISH 2
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#define ESP_NAN_SUBSCRIBE 1
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/** Parameters of a peer service record */
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struct nan_peer_record {
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uint8_t peer_svc_id; /**< Identifier of Peer's service */
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uint8_t own_svc_id; /**< Identifier of own service associated with Peer */
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uint8_t peer_nmi[6]; /**< Peer's NAN Management Interface address */
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uint8_t peer_svc_type; /**< Peer's service type (Publish/Subscribe) */
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uint8_t ndp_id; /**< Specifies if the peer has any active datapath */
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uint8_t peer_ndi[6]; /**< Peer's NAN Data Interface address, only valid when ndp_id is non-zero */
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};
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/**
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* @brief Start NAN Discovery with provided configuration
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*
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* @attention This API should be called after esp_wifi_init().
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*
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* @param nan_cfg NAN related parameters to be configured.
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*
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* @return
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* - ESP_OK: succeed
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* - others: failed
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*/
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esp_err_t esp_wifi_nan_start(const wifi_nan_config_t *nan_cfg);
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/**
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* @brief Stop NAN Discovery, end NAN Services and Datapaths
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*
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* @return
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* - ESP_OK: succeed
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* - others: failed
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*/
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esp_err_t esp_wifi_nan_stop(void);
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/**
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* @brief Start Publishing a service to the NAN Peers in vicinity
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*
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* @attention This API should be called after esp_wifi_nan_start().
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*
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* @param publish_cfg Configuration parameters for publishing a service.
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* @param ndp_resp_needed Setting this true will require user response for every NDP Req using esp_wifi_nan_datapath_resp API.
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*
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* @return
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* - non-zero: Publish service identifier
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* - zero: failed
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*/
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uint8_t esp_wifi_nan_publish_service(const wifi_nan_publish_cfg_t *publish_cfg, bool ndp_resp_needed);
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/**
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* @brief Subscribe for a service within the NAN cluster
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*
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* @attention This API should be called after esp_wifi_nan_start().
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*
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* @param subscribe_cfg Configuration parameters for subscribing for a service.
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*
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* @return
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* - non-zero: Subscribe service identifier
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* - zero: failed
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*/
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uint8_t esp_wifi_nan_subscribe_service(const wifi_nan_subscribe_cfg_t *subscribe_cfg);
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/**
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* @brief Send a follow-up message to the NAN Peer with matched service
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*
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* @attention This API should be called after a NAN service is discovered due to a match.
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*
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* @param fup_params Configuration parameters for sending a Follow-up message.
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*
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* @return
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* - ESP_OK: succeed
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* - others: failed
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*/
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esp_err_t esp_wifi_nan_send_message(wifi_nan_followup_params_t *fup_params);
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/**
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* @brief Cancel a NAN service
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*
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* @param service_id Publish/Subscribe service id to be cancelled.
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*
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* @return
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* - ESP_OK: succeed
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* - others: failed
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*/
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esp_err_t esp_wifi_nan_cancel_service(uint8_t service_id);
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/**
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* @brief Send NAN Datapath Request to a NAN Publisher with matched service
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*
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* @attention This API should be called by the Subscriber after a match occurs with a Publisher.
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*
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* @param req NAN Datapath Request parameters.
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*
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* @return
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* - non-zero NAN Datapath identifier: If NAN datapath req was accepted by publisher
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* - zero: If NAN datapath req was rejected by publisher or a timeout occurs
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*/
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uint8_t esp_wifi_nan_datapath_req(wifi_nan_datapath_req_t *req);
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/**
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* @brief Respond to a NAN Datapath request with Accept or Reject
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*
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* @attention This API should be called if ndp_resp_needed is set True by the Publisher and
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* a WIFI_EVENT_NDP_INDICATION event is received due to an incoming NDP request.
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*
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* @param resp NAN Datapath Response parameters.
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*
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* @return
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* - ESP_OK: succeed
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* - others: failed
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*/
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esp_err_t esp_wifi_nan_datapath_resp(wifi_nan_datapath_resp_t *resp);
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/**
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* @brief Terminate a NAN Datapath
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*
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* @param req NAN Datapath end request parameters.
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*
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* @return
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* - ESP_OK: succeed
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* - others: failed
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*/
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esp_err_t esp_wifi_nan_datapath_end(wifi_nan_datapath_end_req_t *req);
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/**
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* @brief Get IPv6 Link Local address using MAC address
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*
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* @param[out] ip6 Derived IPv6 Link Local address.
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* @param[in] mac_addr Input MAC Address.
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*/
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void esp_wifi_nan_get_ipv6_linklocal_from_mac(ip6_addr_t *ip6, uint8_t *mac_addr);
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/**
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* brief Get own Service information from Service ID OR Name.
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*
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* @attention If service information is to be fetched from service name, set own_svc_id as zero.
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*
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* @param[inout] own_svc_id As input, it indicates Service ID to search for.
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* As output, it indicates Service ID of the service found using Service Name.
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* @param[inout] svc_name As input, it indicates Service Name to search for.
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* As output, it indicates Service Name of the service found using Service ID.
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* @param[out] num_peer_records Number of peers discovered by corresponding service.
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* @return
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* - ESP_OK: succeed
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* - ESP_FAIL: failed
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*/
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esp_err_t esp_wifi_nan_get_own_svc_info(uint8_t *own_svc_id, char *svc_name, int *num_peer_records);
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/**
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* brief Get a list of Peers discovered by the given Service.
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*
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* @param[inout] num_peer_records As input param, it stores max peers peer_record can hold.
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* As output param, it specifies the actual number of peers this API returns.
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* @param own_svc_id Service ID of own service.
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* @param[out] peer_record Pointer to first peer record.
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* @return
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* - ESP_OK: succeed
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* - ESP_FAIL: failed
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*/
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esp_err_t esp_wifi_nan_get_peer_records(int *num_peer_records, uint8_t own_svc_id, struct nan_peer_record *peer_record);
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/**
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* brief Find Peer's Service information using Peer MAC and optionally Service Name.
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*
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* @param svc_name Service Name of the published/subscribed service.
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* @param peer_mac Peer's NAN Management Interface MAC address.
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* @param[out] peer_info Peer's service information structure.
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* @return
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* - ESP_OK: succeed
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* - ESP_FAIL: failed
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*/
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esp_err_t esp_wifi_nan_get_peer_info(char *svc_name, uint8_t *peer_mac, struct nan_peer_record *peer_info);
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#ifdef __cplusplus
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}
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#endif
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