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esp-idf/components/esp_wifi/src/wifi_init.c

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/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <esp_event.h>
#include <esp_wifi.h>
#include "esp_log.h"
#include "esp_private/wifi.h"
#include "esp_private/adc_share_hw_ctrl.h"
#include "esp_pm.h"
#include "esp_sleep.h"
#include "esp_private/pm_impl.h"
#include "esp_private/esp_clk.h"
#include "esp_wpa.h"
#include "esp_netif.h"
#include "esp_coexist_internal.h"
#include "esp_phy_init.h"
#include "phy.h"
#if (CONFIG_ESP32_WIFI_RX_BA_WIN > CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM)
#error "WiFi configuration check: WARNING, WIFI_RX_BA_WIN should not be larger than WIFI_DYNAMIC_RX_BUFFER_NUM!"
#endif
#if (CONFIG_ESP32_WIFI_RX_BA_WIN > (CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM << 1))
#error "WiFi configuration check: WARNING, WIFI_RX_BA_WIN should not be larger than double of the WIFI_STATIC_RX_BUFFER_NUM!"
#endif
ESP_EVENT_DEFINE_BASE(WIFI_EVENT);
extern uint8_t esp_wifi_get_user_init_flag_internal(void);
#ifdef CONFIG_PM_ENABLE
static esp_pm_lock_handle_t s_wifi_modem_sleep_lock;
#endif
#if CONFIG_IDF_TARGET_ESP32
/* Callback function to update WiFi MAC time */
wifi_mac_time_update_cb_t s_wifi_mac_time_update_cb = NULL;
#endif
/* Set additional WiFi features and capabilities */
uint64_t g_wifi_feature_caps =
#if CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE
CONFIG_FEATURE_WPA3_SAE_BIT |
#endif
#if CONFIG_SPIRAM
CONFIG_FEATURE_CACHE_TX_BUF_BIT |
#endif
#if CONFIG_ESP_WIFI_FTM_INITIATOR_SUPPORT
CONFIG_FEATURE_FTM_INITIATOR_BIT |
#endif
#if CONFIG_ESP_WIFI_FTM_RESPONDER_SUPPORT
CONFIG_FEATURE_FTM_RESPONDER_BIT |
#endif
0;
static const char* TAG = "wifi_init";
static void __attribute__((constructor)) s_set_default_wifi_log_level(void)
{
/* WiFi libraries aren't compiled to know CONFIG_LOG_DEFAULT_LEVEL,
so set it at runtime startup. Done here not in esp_wifi_init() to allow
the user to set the level again before esp_wifi_init() is called.
*/
esp_log_level_set("wifi", CONFIG_LOG_DEFAULT_LEVEL);
esp_log_level_set("mesh", CONFIG_LOG_DEFAULT_LEVEL);
esp_log_level_set("smartconfig", CONFIG_LOG_DEFAULT_LEVEL);
esp_log_level_set("ESPNOW", CONFIG_LOG_DEFAULT_LEVEL);
}
static void esp_wifi_set_log_level(void)
{
wifi_log_level_t wifi_log_level = WIFI_LOG_INFO;
/* set WiFi log level */
#if CONFIG_LOG_MAXIMUM_LEVEL == 0
wifi_log_level = WIFI_LOG_NONE;
#elif CONFIG_LOG_MAXIMUM_LEVEL == 1
wifi_log_level = WIFI_LOG_ERROR;
#elif CONFIG_LOG_MAXIMUM_LEVEL == 2
wifi_log_level = WIFI_LOG_WARNING;
#elif CONFIG_LOG_MAXIMUM_LEVEL == 3
wifi_log_level = WIFI_LOG_INFO;
#elif CONFIG_LOG_MAXIMUM_LEVEL == 4
wifi_log_level = WIFI_LOG_DEBUG;
#elif CONFIG_LOG_MAXIMUM_LEVEL == 5
wifi_log_level = WIFI_LOG_VERBOSE;
#endif
esp_wifi_internal_set_log_level(wifi_log_level);
}
esp_err_t esp_wifi_deinit(void)
{
esp_err_t err = ESP_OK;
if (esp_wifi_get_user_init_flag_internal()) {
ESP_LOGE(TAG, "Wi-Fi not stop");
return ESP_ERR_WIFI_NOT_STOPPED;
}
if (esp_wifi_internal_reg_rxcb(WIFI_IF_STA, NULL) != ESP_OK ||
esp_wifi_internal_reg_rxcb(WIFI_IF_AP, NULL) != ESP_OK) {
ESP_LOGW(TAG, "Failed to unregister Rx callbacks");
}
esp_supplicant_deinit();
err = esp_wifi_deinit_internal();
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to deinit Wi-Fi driver (0x%x)", err);
return err;
}
#if CONFIG_ESP_WIFI_SLP_BEACON_LOST_OPT
esp_wifi_beacon_monitor_configure(false, 0, 0, 0, 0);
#endif
#if CONFIG_ESP_WIFI_SLP_IRAM_OPT
esp_pm_unregister_light_sleep_default_params_config_callback();
#endif
#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
#if SOC_WIFI_HW_TSF
esp_pm_unregister_skip_light_sleep_callback(esp_wifi_internal_is_tsf_active);
esp_pm_unregister_inform_out_light_sleep_overhead_callback(esp_wifi_internal_update_light_sleep_wake_ahead_time);
esp_sleep_disable_wifi_wakeup();
#endif
#endif
#if CONFIG_MAC_BB_PD
esp_unregister_mac_bb_pd_callback(pm_mac_sleep);
esp_unregister_mac_bb_pu_callback(pm_mac_wakeup);
#endif
#if CONFIG_IDF_TARGET_ESP32C3
phy_init_flag();
#endif
esp_wifi_power_domain_off();
#if CONFIG_MAC_BB_PD
esp_mac_bb_pd_mem_deinit();
#endif
esp_phy_pd_mem_deinit();
return err;
}
static void esp_wifi_config_info(void)
{
#ifdef CONFIG_ESP32_WIFI_RX_BA_WIN
ESP_LOGI(TAG, "rx ba win: %d", CONFIG_ESP32_WIFI_RX_BA_WIN);
#endif
#ifdef CONFIG_ESP_NETIF_TCPIP_LWIP
ESP_LOGI(TAG, "tcpip mbox: %d", CONFIG_LWIP_TCPIP_RECVMBOX_SIZE);
ESP_LOGI(TAG, "udp mbox: %d", CONFIG_LWIP_UDP_RECVMBOX_SIZE);
ESP_LOGI(TAG, "tcp mbox: %d", CONFIG_LWIP_TCP_RECVMBOX_SIZE);
ESP_LOGI(TAG, "tcp tx win: %d", CONFIG_LWIP_TCP_SND_BUF_DEFAULT);
ESP_LOGI(TAG, "tcp rx win: %d", CONFIG_LWIP_TCP_WND_DEFAULT);
ESP_LOGI(TAG, "tcp mss: %d", CONFIG_LWIP_TCP_MSS);
#ifdef CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP
ESP_LOGI(TAG, "WiFi/LWIP prefer SPIRAM");
#endif
#ifdef CONFIG_ESP32_WIFI_IRAM_OPT
ESP_LOGI(TAG, "WiFi IRAM OP enabled");
#endif
#ifdef CONFIG_ESP32_WIFI_RX_IRAM_OPT
ESP_LOGI(TAG, "WiFi RX IRAM OP enabled");
#endif
#ifdef CONFIG_ESP_WIFI_SLP_IRAM_OPT
ESP_LOGI(TAG, "WiFi SLP IRAM OP enabled");
#endif
#ifdef CONFIG_LWIP_IRAM_OPTIMIZATION
ESP_LOGI(TAG, "LWIP IRAM OP enabled");
#endif
#else
ESP_LOGI(TAG, "LWIP disabled");
#endif
}
esp_err_t esp_wifi_init(const wifi_init_config_t *config)
{
if ((config->feature_caps & CONFIG_FEATURE_CACHE_TX_BUF_BIT) && (WIFI_CACHE_TX_BUFFER_NUM == 0))
{
ESP_LOGE(TAG, "Number of WiFi cache TX buffers should not equal 0 when enable SPIRAM");
return ESP_ERR_NOT_SUPPORTED;
}
esp_wifi_power_domain_on();
#ifdef CONFIG_PM_ENABLE
if (s_wifi_modem_sleep_lock == NULL) {
esp_err_t err = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "wifi",
&s_wifi_modem_sleep_lock);
if (err != ESP_OK) {
return err;
}
}
#endif
#if CONFIG_ESP_WIFI_SLP_IRAM_OPT
esp_pm_register_light_sleep_default_params_config_callback(esp_wifi_internal_update_light_sleep_default_params);
int min_freq_mhz = esp_pm_impl_get_cpu_freq(PM_MODE_LIGHT_SLEEP);
int max_freq_mhz = esp_pm_impl_get_cpu_freq(PM_MODE_CPU_MAX);
esp_wifi_internal_update_light_sleep_default_params(min_freq_mhz, max_freq_mhz);
uint32_t sleep_delay_us = CONFIG_ESP_WIFI_SLP_DEFAULT_MIN_ACTIVE_TIME * 1000;
esp_wifi_set_sleep_delay_time(sleep_delay_us);
uint32_t keep_alive_time_us = CONFIG_ESP_WIFI_SLP_DEFAULT_MAX_ACTIVE_TIME * 1000 * 1000;
esp_wifi_set_keep_alive_time(keep_alive_time_us);
#endif
#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
#if CONFIG_MAC_BB_PD
if (esp_register_mac_bb_pd_callback(pm_mac_sleep) != ESP_OK
|| esp_register_mac_bb_pu_callback(pm_mac_wakeup) != ESP_OK) {
esp_unregister_mac_bb_pd_callback(pm_mac_sleep);
esp_unregister_mac_bb_pu_callback(pm_mac_wakeup);
return ESP_ERR_INVALID_ARG;
}
#endif
#if SOC_WIFI_HW_TSF
esp_err_t ret = esp_pm_register_skip_light_sleep_callback(esp_wifi_internal_is_tsf_active);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to register skip light sleep callback (0x%x)", ret);
#if CONFIG_MAC_BB_PD
esp_unregister_mac_bb_pd_callback(pm_mac_sleep);
esp_unregister_mac_bb_pu_callback(pm_mac_wakeup);
#endif
return ret;
}
ret = esp_pm_register_inform_out_light_sleep_overhead_callback(esp_wifi_internal_update_light_sleep_wake_ahead_time);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to register inform light sleep overhead callback (0x%x)", ret);
return ret;
}
esp_sleep_enable_wifi_wakeup();
#if CONFIG_SW_COEXIST_ENABLE || CONFIG_EXTERNAL_COEX_ENABLE
coex_wifi_register_update_lpclk_callback(esp_wifi_update_tsf_tick_interval);
#endif
#endif
#endif
#if CONFIG_SW_COEXIST_ENABLE || CONFIG_EXTERNAL_COEX_ENABLE
coex_init();
#endif
esp_wifi_set_log_level();
esp_err_t result = esp_wifi_init_internal(config);
if (result == ESP_OK) {
#if CONFIG_MAC_BB_PD
esp_mac_bb_pd_mem_init();
esp_wifi_internal_set_mac_sleep(true);
#endif
esp_phy_pd_mem_init();
#if CONFIG_IDF_TARGET_ESP32
s_wifi_mac_time_update_cb = esp_wifi_internal_update_mac_time;
#endif
result = esp_supplicant_init();
if (result != ESP_OK) {
ESP_LOGE(TAG, "Failed to init supplicant (0x%x)", result);
esp_err_t deinit_ret = esp_wifi_deinit();
if (deinit_ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to deinit Wi-Fi (0x%x)", deinit_ret);
}
return result;
}
}
#if CONFIG_ESP_WIFI_SLP_BEACON_LOST_OPT
esp_wifi_beacon_monitor_configure(true, CONFIG_ESP_WIFI_SLP_BEACON_LOST_TIMEOUT,
CONFIG_ESP_WIFI_SLP_BEACON_LOST_THRESHOLD, CONFIG_ESP_WIFI_SLP_PHY_ON_DELTA_EARLY_TIME,
CONFIG_ESP_WIFI_SLP_PHY_OFF_DELTA_TIMEOUT_TIME);
#endif
adc2_cal_include(); //This enables the ADC2 calibration constructor at start up.
esp_wifi_config_info();
return result;
}
#ifdef CONFIG_PM_ENABLE
void wifi_apb80m_request(void)
{
assert(s_wifi_modem_sleep_lock);
esp_pm_lock_acquire(s_wifi_modem_sleep_lock);
if (esp_clk_apb_freq() != APB_CLK_FREQ) {
ESP_LOGE(__func__, "WiFi needs 80MHz APB frequency to work, but got %dHz", esp_clk_apb_freq());
}
}
void wifi_apb80m_release(void)
{
assert(s_wifi_modem_sleep_lock);
esp_pm_lock_release(s_wifi_modem_sleep_lock);
}
#endif //CONFIG_PM_ENABLE
#ifndef CONFIG_ESP_WIFI_FTM_ENABLE
void ieee80211_ftm_attach(void)
{
/* Do not remove, stub to overwrite weak link in Wi-Fi Lib */
}
#endif
#ifndef CONFIG_ESP_WIFI_SOFTAP_SUPPORT
void net80211_softap_funcs_init(void)
{
}
#endif
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