esp-idf/components/esp_wifi/include/esp_private/wifi.h

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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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.
/*
* All the APIs declared here are internal only APIs, it can only be used by
* espressif internal modules, such as SSC, LWIP, TCPIP adapter etc, espressif
* customers are not recommended to use them.
*
* If someone really want to use specified APIs declared in here, please contact
* espressif AE/developer to make sure you know the limitations or risk of
* the API, otherwise you may get unexpected behavior!!!
*
*/
#ifndef __ESP_WIFI_INTERNAL_H__
#define __ESP_WIFI_INTERNAL_H__
#include <stdint.h>
#include <stdbool.h>
#include "freertos/FreeRTOS.h"
#include "freertos/queue.h"
#include "sys/queue.h"
#include "esp_err.h"
#include "esp_wifi_types.h"
#include "esp_event.h"
#include "esp_wifi.h"
#include "esp_smartconfig.h"
#include "wifi_types.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
QueueHandle_t handle; /**< FreeRTOS queue handler */
void *storage; /**< storage for FreeRTOS queue */
} wifi_static_queue_t;
/**
* @brief WiFi log level
*
*/
typedef enum {
WIFI_LOG_NONE = 0,
WIFI_LOG_ERROR , /*enabled by default*/
WIFI_LOG_WARNING, /*enabled by default*/
WIFI_LOG_INFO, /*enabled by default*/
WIFI_LOG_DEBUG, /*can be set in menuconfig*/
WIFI_LOG_VERBOSE, /*can be set in menuconfig*/
} wifi_log_level_t;
/**
* @brief WiFi log module definition
*
*/
typedef enum {
WIFI_LOG_MODULE_ALL = 0, /*all log modules */
WIFI_LOG_MODULE_WIFI, /*logs related to WiFi*/
WIFI_LOG_MODULE_COEX, /*logs related to WiFi and BT(or BLE) coexist*/
WIFI_LOG_MODULE_MESH, /*logs related to Mesh*/
} wifi_log_module_t;
/**
* @brief WiFi log submodule definition
*
*/
#define WIFI_LOG_SUBMODULE_ALL (0) /*all log submodules*/
#define WIFI_LOG_SUBMODULE_INIT (1) /*logs related to initialization*/
#define WIFI_LOG_SUBMODULE_IOCTL (1<<1) /*logs related to API calling*/
#define WIFI_LOG_SUBMODULE_CONN (1<<2) /*logs related to connecting*/
#define WIFI_LOG_SUBMODULE_SCAN (1<<3) /*logs related to scaning*/
/**
* @brief Initialize Wi-Fi Driver
* Alloc resource for WiFi driver, such as WiFi control structure, RX/TX buffer,
* WiFi NVS structure among others.
*
* For the most part, you need not call this function directly. It gets called
* from esp_wifi_init().
*
* This function may be called, if you only need to initialize the Wi-Fi driver
* without having to use the network stack on top.
*
* @param config provide WiFi init configuration
*
* @return
* - ESP_OK: succeed
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* - ESP_ERR_NO_MEM: out of memory
* - others: refer to error code esp_err.h
*/
esp_err_t esp_wifi_init_internal(const wifi_init_config_t *config);
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/**
* @brief Deinitialize Wi-Fi Driver
* Free resource for WiFi driver, such as WiFi control structure, RX/TX buffer,
* WiFi NVS structure among others.
*
* For the most part, you need not call this function directly. It gets called
* from esp_wifi_deinit().
*
* This function may be called, if you call esp_wifi_init_internal to initialize
* WiFi driver.
*
* @return
* - ESP_OK: succeed
* - others: refer to error code esp_err.h
*/
esp_err_t esp_wifi_deinit_internal(void);
/**
* @brief free the rx buffer which allocated by wifi driver
*
* @param void* buffer: rx buffer pointer
*/
void esp_wifi_internal_free_rx_buffer(void* buffer);
/**
* @brief transmit the buffer via wifi driver
*
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* This API makes a copy of the input buffer and then forwards the buffer
* copy to WiFi driver.
*
* @param wifi_interface_t wifi_if : wifi interface id
* @param void *buffer : the buffer to be tansmit
* @param uint16_t len : the length of buffer
*
* @return
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* - ESP_OK : Successfully transmit the buffer to wifi driver
* - ESP_ERR_NO_MEM: out of memory
* - ESP_ERR_WIFI_ARG: invalid argument
* - ESP_ERR_WIFI_IF : WiFi interface is invalid
* - ESP_ERR_WIFI_CONN : WiFi interface is not created, e.g. send the data to STA while WiFi mode is AP mode
* - ESP_ERR_WIFI_NOT_STARTED : WiFi is not started
* - ESP_ERR_WIFI_STATE : WiFi internal state is not ready, e.g. WiFi is not started
* - ESP_ERR_WIFI_NOT_ASSOC : WiFi is not associated
* - ESP_ERR_WIFI_TX_DISALLOW : WiFi TX is disallowed, e.g. WiFi hasn't pass the authentication
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* - ESP_ERR_WIFI_POST : caller fails to post event to WiFi task
*/
int esp_wifi_internal_tx(wifi_interface_t wifi_if, void *buffer, uint16_t len);
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/**
* @brief The net stack buffer reference counter callback function
*
*/
typedef void (*wifi_netstack_buf_ref_cb_t)(void *netstack_buf);
/**
* @brief The net stack buffer free callback function
*
*/
typedef void (*wifi_netstack_buf_free_cb_t)(void *netstack_buf);
/**
* @brief transmit the buffer by reference via wifi driver
*
* This API firstly increases the reference counter of the input buffer and
* then forwards the buffer to WiFi driver. The WiFi driver will free the buffer
* after processing it. Use esp_wifi_internal_tx() if the uplayer buffer doesn't
* supports reference counter.
*
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* @param wifi_if : wifi interface id
* @param buffer : the buffer to be tansmit
* @param len : the length of buffer
* @param netstack_buf : the netstack buffer related to bufffer
*
* @return
* - ESP_OK : Successfully transmit the buffer to wifi driver
* - ESP_ERR_NO_MEM: out of memory
* - ESP_ERR_WIFI_ARG: invalid argument
* - ESP_ERR_WIFI_IF : WiFi interface is invalid
* - ESP_ERR_WIFI_CONN : WiFi interface is not created, e.g. send the data to STA while WiFi mode is AP mode
* - ESP_ERR_WIFI_NOT_STARTED : WiFi is not started
* - ESP_ERR_WIFI_STATE : WiFi internal state is not ready, e.g. WiFi is not started
* - ESP_ERR_WIFI_NOT_ASSOC : WiFi is not associated
* - ESP_ERR_WIFI_TX_DISALLOW : WiFi TX is disallowed, e.g. WiFi hasn't pass the authentication
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* - ESP_ERR_WIFI_POST : caller fails to post event to WiFi task
*/
esp_err_t esp_wifi_internal_tx_by_ref(wifi_interface_t ifx, void *buffer, size_t len, void *netstack_buf);
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/**
* @brief Initialize WAPI function when wpa_supplicant initialize.
*
* This API is privately used, be careful not open to external applicantion.
*
* @return
* - ESP_OK : succeed
* - ESP_ERR_WAPI_INTERNAL : Internal error
*/
esp_err_t esp_wifi_internal_wapi_init(void);
/**
* @brief De-initialize WAPI function when wpa_supplicant de-initialize.
*
* This API is privately used, be careful not open to external applicantion.
*
* @return
* - ESP_OK : succeed
*/
esp_err_t esp_wifi_internal_wapi_deinit(void);
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/**
* @brief register the net stack buffer reference increasing and free callback
*
* @param ref : net stack buffer reference callback
* @param free: net stack buffer free callback
*
* @return
* - ESP_OK : Successfully transmit the buffer to wifi driver
* - others : failed to register the callback
*/
esp_err_t esp_wifi_internal_reg_netstack_buf_cb(wifi_netstack_buf_ref_cb_t ref, wifi_netstack_buf_free_cb_t free);
/**
* @brief The WiFi RX callback function
*
* Each time the WiFi need to forward the packets to high layer, the callback function will be called
*/
typedef esp_err_t (*wifi_rxcb_t)(void *buffer, uint16_t len, void *eb);
/**
* @brief Set the WiFi RX callback
*
* @attention 1. Currently we support only one RX callback for each interface
*
* @param wifi_interface_t ifx : interface
* @param wifi_rxcb_t fn : WiFi RX callback
*
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* @return
* - ESP_OK : succeed
* - others : fail
*/
esp_err_t esp_wifi_internal_reg_rxcb(wifi_interface_t ifx, wifi_rxcb_t fn);
/**
* @brief Notify WIFI driver that the station got ip successfully
*
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* @return
* - ESP_OK : succeed
* - others : fail
*/
esp_err_t esp_wifi_internal_set_sta_ip(void);
/**
* @brief enable or disable transmitting WiFi MAC frame with fixed rate
*
* @attention 1. If fixed rate is enabled, both management and data frame are transmitted with fixed rate
* @attention 2. Make sure that the receiver is able to receive the frame with the fixed rate if you want the frame to be received
*
* @param ifx : wifi interface
* @param en : false - disable, true - enable
* @param rate : PHY rate
*
* @return
* - ERR_OK : succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_NOT_STARTED: WiFi was not started by esp_wifi_start
* - ESP_ERR_WIFI_IF : invalid WiFi interface
* - ESP_ERR_INVALID_ARG : invalid rate
* - ESP_ERR_NOT_SUPPORTED : do not support to set fixed rate if TX AMPDU is enabled
*/
esp_err_t esp_wifi_internal_set_fix_rate(wifi_interface_t ifx, bool en, wifi_phy_rate_t rate);
/**
* @brief Start SmartConfig, config ESP device to connect AP. You need to broadcast information by phone APP.
* Device sniffer special packets from the air that containing SSID and password of target AP.
*
* @attention 1. This API can be called in station or softAP-station mode.
* @attention 2. Can not call esp_smartconfig_start twice before it finish, please call
* esp_smartconfig_stop first.
*
* @param config pointer to smartconfig start configure structure
*
* @return
* - ESP_OK: succeed
* - others: fail
*/
esp_err_t esp_smartconfig_internal_start(const smartconfig_start_config_t *config);
/**
* @brief Stop SmartConfig, free the buffer taken by esp_smartconfig_start.
*
* @attention Whether connect to AP succeed or not, this API should be called to free
* memory taken by smartconfig_start.
*
* @return
* - ESP_OK: succeed
* - others: fail
*/
esp_err_t esp_smartconfig_internal_stop(void);
/**
* @brief Check the MD5 values of the OS adapter header files in IDF and WiFi library
*
* @attention 1. It is used for internal CI version check
*
* @return
* - ESP_OK : succeed
* - ESP_WIFI_INVALID_ARG : MD5 check fail
*/
esp_err_t esp_wifi_internal_osi_funcs_md5_check(const char *md5);
/**
* @brief Check the MD5 values of the crypto types header files in IDF and WiFi library
*
* @attention 1. It is used for internal CI version check
*
* @return
* - ESP_OK : succeed
* - ESP_WIFI_INVALID_ARG : MD5 check fail
*/
esp_err_t esp_wifi_internal_crypto_funcs_md5_check(const char *md5);
/**
* @brief Check the MD5 values of the esp_wifi_types.h in IDF and WiFi library
*
* @attention 1. It is used for internal CI version check
*
* @return
* - ESP_OK : succeed
* - ESP_WIFI_INVALID_ARG : MD5 check fail
*/
esp_err_t esp_wifi_internal_wifi_type_md5_check(const char *md5);
/**
* @brief Check the MD5 values of the esp_wifi.h in IDF and WiFi library
*
* @attention 1. It is used for internal CI version check
*
* @return
* - ESP_OK : succeed
* - ESP_WIFI_INVALID_ARG : MD5 check fail
*/
esp_err_t esp_wifi_internal_esp_wifi_md5_check(const char *md5);
/**
* @brief Allocate a chunk of memory for WiFi driver
*
* @attention This API is not used for DMA memory allocation.
*
* @param size_t size : Size, in bytes, of the amount of memory to allocate
*
* @return A pointer to the memory allocated on success, NULL on failure
*/
void *wifi_malloc( size_t size );
/**
* @brief Reallocate a chunk of memory for WiFi driver
*
* @attention This API is not used for DMA memory allocation.
*
* @param void * ptr : Pointer to previously allocated memory, or NULL for a new allocation.
* @param size_t size : Size, in bytes, of the amount of memory to allocate
*
* @return A pointer to the memory allocated on success, NULL on failure
*/
void *wifi_realloc( void *ptr, size_t size );
/**
* @brief Callocate memory for WiFi driver
*
* @attention This API is not used for DMA memory allocation.
*
* @param size_t n : Number of continuing chunks of memory to allocate
* @param size_t size : Size, in bytes, of the amount of memory to allocate
*
* @return A pointer to the memory allocated on success, NULL on failure
*/
void *wifi_calloc( size_t n, size_t size );
/**
* @brief Update WiFi MAC time
*
* @param uint32_t time_delta : time duration since the WiFi/BT common clock is disabled
*
* @return Always returns ESP_OK
*/
typedef esp_err_t (* wifi_mac_time_update_cb_t)( uint32_t time_delta );
/**
* @brief Update WiFi MAC time
*
* @param uint32_t time_delta : time duration since the WiFi/BT common clock is disabled
*
* @return Always returns ESP_OK
*/
esp_err_t esp_wifi_internal_update_mac_time( uint32_t time_delta );
/**
* @brief Set current WiFi log level
*
* @param level Log level.
*
* @return
* - ESP_OK: succeed
* - ESP_FAIL: level is invalid
*/
esp_err_t esp_wifi_internal_set_log_level(wifi_log_level_t level);
/**
* @brief Set current log module and submodule
*
* @param module Log module
* @param submodule Log submodule
* @param enable enable or disable
* If module == 0 && enable == 0, all log modules are disabled.
* If module == 0 && enable == 1, all log modules are enabled.
* If submodule == 0 && enable == 0, all log submodules are disabled.
* If submodule == 0 && enable == 1, all log submodules are enabled.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_ARG: invalid argument
*/
esp_err_t esp_wifi_internal_set_log_mod(wifi_log_module_t module, uint32_t submodule, bool enable);
/**
* @brief Get current WiFi log info
*
* @param log_level the return log level.
* @param log_mod the return log module and submodule
*
* @return
* - ESP_OK: succeed
*/
esp_err_t esp_wifi_internal_get_log(wifi_log_level_t *log_level, uint32_t *log_mod);
/**
* @brief A general API to set/get WiFi internal configuration, it's for debug only
*
* @param cmd : ioctl command type
* @param cfg : configuration for the command
*
* @return
* - ESP_OK: succeed
* - others: failed
*/
esp_err_t esp_wifi_internal_ioctl(int cmd, wifi_ioctl_config_t *cfg);
/**
* @brief Get the user-configured channel info
*
* @param ifx : WiFi interface
* @param primary : store the configured primary channel
* @param second : store the configured second channel
*
* @return
* - ESP_OK: succeed
*/
esp_err_t esp_wifi_internal_get_config_channel(wifi_interface_t ifx, uint8_t *primary, uint8_t *second);
/**
* @brief Get the negotiated channel info after WiFi connection established
*
* @param ifx : WiFi interface
* @param aid : the connection number when a STA connects to the softAP
* @param primary : store the negotiated primary channel
* @param second : store the negotiated second channel
* @attention the aid param is only works when the ESP32 in softAP/softAP+STA mode
*
* @return
* - ESP_OK: succeed
*/
esp_err_t esp_wifi_internal_get_negotiated_channel(wifi_interface_t ifx, uint8_t aid, uint8_t *primary, uint8_t *second);
/**
* @brief Get the negotiated bandwidth info after WiFi connection established
*
* @param ifx : WiFi interface
* @param bw : store the negotiated bandwidth
*
* @return
* - ESP_OK: succeed
*/
esp_err_t esp_wifi_internal_get_negotiated_bandwidth(wifi_interface_t ifx, uint8_t aid, uint8_t *bw);
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#if SOC_WIFI_HW_TSF
/**
* @brief Check if WiFi TSF is active
*
* @return
* - true: Active
* - false: Not active
*/
bool esp_wifi_internal_is_tsf_active(void);
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/**
* @brief Update WIFI light sleep wake ahead time
*
*/
void esp_wifi_internal_update_light_sleep_wake_ahead_time(uint32_t);
#endif
#if CONFIG_MAC_BB_PD
/**
* @brief Enable or disable powering down MAC and baseband when Wi-Fi is sleeping.
*
* @param enable : enable or disable
*
* @return
* - ESP_OK: succeed
*/
esp_err_t esp_wifi_internal_set_mac_sleep(bool enable);
/**
* @brief mac bb sleep.
*/
void pm_mac_sleep(void);
/**
* @brief mac bb wakeup.
*/
void pm_mac_wakeup(void);
#endif
/**
* @breif TxDone callback function type. Should be registered using esp_wifi_set_tx_done_cb()
*
* @param ifidx The interface id that the tx callback has been triggered from
* @param data Pointer to the data transmitted
* @param data_len Length of the data transmitted
* @param txStatus True:if the data was transmitted sucessfully False: if data transmission failed
*/
typedef void (* wifi_tx_done_cb_t)(uint8_t ifidx, uint8_t *data, uint16_t *data_len, bool txStatus);
/**
* @brief Register the txDone callback function of type wifi_tx_done_cb_t
*
* @param cb The callback function
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_NOT_STARTED: WiFi is not started by esp_wifi_start
*/
esp_err_t esp_wifi_set_tx_done_cb(wifi_tx_done_cb_t cb);
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/**
* @brief Set device spp amsdu attributes
*
* @param ifx: WiFi interface
* @param spp_cap: spp amsdu capable
* @param spp_req: spp amsdu require
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_IF : invalid WiFi interface
*/
esp_err_t esp_wifi_internal_set_spp_amsdu(wifi_interface_t ifidx, bool spp_cap, bool spp_req);
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/**
* @brief Update WIFI light sleep default parameters
*
* @param min_freq_mhz: minimum frequency of DFS
* @param max_freq_mhz: maximum frequency of DFS
*/
void esp_wifi_internal_update_light_sleep_default_params(int min_freq_mhz, int max_freq_mhz);
/**
* @brief Set the delay time for wifi to enter the sleep state when light sleep
*
* @param return_to_sleep_delay: minimum timeout time for waiting to receive
* data, when no data is received during the timeout period,
* the wifi enters the sleep process.
*/
void esp_wifi_set_sleep_delay_time(uint32_t return_to_sleep_delay);
/**
* @brief Set wifi keep alive time
*
* @param keep_alive_time: keep alive time
*/
void esp_wifi_set_keep_alive_time(uint32_t keep_alive_time);
#ifdef __cplusplus
}
#endif
#endif /* __ESP_WIFI_H__ */