mirror of
https://github.com/espressif/esp-idf.git
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9cdf839cf6
1. Fix crash while cancelling NAN service 2. Avoid possible crash scenarios while forming datapath 3. Modify peer records structure thus fixing issues in datapath establishment 4. Fix timer out of bound issue causing "No timer handle" warning 5. Fix miscellaneous service discovery and datapath issues
205 lines
6.5 KiB
C
205 lines
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 1
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#define ESP_NAN_SUBSCRIBE 2
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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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