/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "sdkconfig.h"
#include "esp_wifi_types_generic.h"
#if CONFIG_SOC_WIFI_HE_SUPPORT
#include "esp_wifi_he_types.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if CONFIG_IDF_TARGET_ESP32C2
#define ESP_WIFI_MAX_CONN_NUM (4) /**< max number of stations which can connect to ESP32C2 soft-AP */
#elif CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6
#define ESP_WIFI_MAX_CONN_NUM (10) /**< max number of stations which can connect to ESP32C3 soft-AP */
#else
#define ESP_WIFI_MAX_CONN_NUM (15) /**< max number of stations which can connect to ESP32/ESP32S3/ESP32S2 soft-AP */
#endif
/** @brief List of stations associated with the Soft-AP */
typedef struct wifi_sta_list_t {
wifi_sta_info_t sta[ESP_WIFI_MAX_CONN_NUM]; /**< station list */
int num; /**< number of stations in the list (other entries are invalid) */
} wifi_sta_list_t;
#if !CONFIG_SOC_WIFI_HE_SUPPORT
/** @brief Received packet radio metadata header, this is the common header at the beginning of all promiscuous mode RX callback buffers */
typedef struct wifi_pkt_rx_ctrl_t{
signed rssi:8; /**< Received Signal Strength Indicator(RSSI) of packet. unit: dBm */
unsigned rate:5; /**< PHY rate encoding of the packet. Only valid for non HT(11bg) packet */
unsigned :1; /**< reserved */
unsigned sig_mode:2; /**< Protocol of the reveived packet, 0: non HT(11bg) packet; 1: HT(11n) packet; 3: VHT(11ac) packet */
unsigned :16; /**< reserved */
unsigned mcs:7; /**< Modulation Coding Scheme. If is HT(11n) packet, shows the modulation, range from 0 to 76(MSC0 ~ MCS76) */
unsigned cwb:1; /**< Channel Bandwidth of the packet. 0: 20MHz; 1: 40MHz */
unsigned :16; /**< reserved */
unsigned smoothing:1; /**< Set to 1 indicates that channel estimate smoothing is recommended.
Set to 0 indicates that only per-carrierindependent (unsmoothed) channel estimate is recommended. */
unsigned not_sounding:1; /**< Set to 0 indicates that PPDU is a sounding PPDU. Set to 1indicates that the PPDU is not a sounding PPDU.
sounding PPDU is used for channel estimation by the request receiver */
unsigned :1; /**< reserved */
unsigned aggregation:1; /**< Aggregation. 0: MPDU packet; 1: AMPDU packet */
unsigned stbc:2; /**< Space Time Block Code(STBC). 0: non STBC packet; 1: STBC packet */
unsigned fec_coding:1; /**< Forward Error Correction(FEC). Flag is set for 11n packets which are LDPC */
unsigned sgi:1; /**< Short Guide Interval(SGI). 0: Long GI; 1: Short GI */
#if CONFIG_IDF_TARGET_ESP32
signed noise_floor:8; /**< noise floor of Radio Frequency Module(RF). unit: dBm*/
#elif CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C2
unsigned :8; /**< reserved */
#endif
unsigned ampdu_cnt:8; /**< the number of subframes aggregated in AMPDU */
unsigned channel:4; /**< primary channel on which this packet is received */
unsigned secondary_channel:4; /**< secondary channel on which this packet is received. 0: none; 1: above; 2: below */
unsigned :8; /**< reserved */
unsigned timestamp:32; /**< timestamp. The local time when this packet is received. It is precise only if modem sleep or light sleep is not enabled. unit: microsecond */
unsigned :32; /**< reserved */
#if CONFIG_IDF_TARGET_ESP32S2
unsigned :32; /**< reserved */
#elif CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C2
signed noise_floor:8; /**< noise floor of Radio Frequency Module(RF). unit: dBm*/
unsigned :24; /**< reserved */
unsigned :32; /**< reserved */
#endif
unsigned :31; /**< reserved */
unsigned ant:1; /**< antenna number from which this packet is received. 0: WiFi antenna 0; 1: WiFi antenna 1 */
#if CONFIG_IDF_TARGET_ESP32S2
signed noise_floor:8; /**< noise floor of Radio Frequency Module(RF). unit: dBm*/
unsigned :24; /**< reserved */
#elif CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C2
unsigned :32; /**< reserved */
unsigned :32; /**< reserved */
unsigned :32; /**< reserved */
#endif
unsigned sig_len:12; /**< length of packet including Frame Check Sequence(FCS) */
unsigned :12; /**< reserved */
unsigned rx_state:8; /**< state of the packet. 0: no error; others: error numbers which are not public */
} wifi_pkt_rx_ctrl_t;
/**
* @brief Channel state information(CSI) configuration type
*
*/
typedef struct wifi_csi_config_t{
bool lltf_en; /**< enable to receive legacy long training field(lltf) data. Default enabled */
bool htltf_en; /**< enable to receive HT long training field(htltf) data. Default enabled */
bool stbc_htltf2_en; /**< enable to receive space time block code HT long training field(stbc-htltf2) data. Default enabled */
bool ltf_merge_en; /**< enable to generate htlft data by averaging lltf and ht_ltf data when receiving HT packet. Otherwise, use ht_ltf data directly. Default enabled */
bool channel_filter_en; /**< enable to turn on channel filter to smooth adjacent sub-carrier. Disable it to keep independence of adjacent sub-carrier. Default enabled */
bool manu_scale; /**< manually scale the CSI data by left shifting or automatically scale the CSI data. If set true, please set the shift bits. false: automatically. true: manually. Default false */
uint8_t shift; /**< manually left shift bits of the scale of the CSI data. The range of the left shift bits is 0~15 */
bool dump_ack_en; /**< enable to dump 802.11 ACK frame, default disabled */
} wifi_csi_config_t;
#endif // !CONFIG_SOC_WIFI_HE_SUPPORT
typedef wifi_pkt_rx_ctrl_t esp_wifi_rxctrl_t;
/** @brief Payload passed to 'buf' parameter of promiscuous mode RX callback.
*/
typedef struct {
wifi_pkt_rx_ctrl_t rx_ctrl; /**< metadata header */
uint8_t payload[0]; /**< Data or management payload. Length of payload is described by rx_ctrl.sig_len. Type of content determined by packet type argument of callback. */
} wifi_promiscuous_pkt_t;
/**
* @brief CSI data type
*
*/
typedef struct wifi_csi_info_t {
wifi_pkt_rx_ctrl_t rx_ctrl;/**< received packet radio metadata header of the CSI data */
uint8_t mac[6]; /**< source MAC address of the CSI data */
uint8_t dmac[6]; /**< destination MAC address of the CSI data */
bool first_word_invalid; /**< first four bytes of the CSI data is invalid or not, true indicates the first four bytes is invalid due to hardware limition */
int8_t *buf; /**< valid buffer of CSI data */
uint16_t len; /**< valid length of CSI data */
uint8_t *hdr; /**< header of the wifi packet */
uint8_t *payload; /**< payload of the wifi packet */
uint16_t payload_len; /**< payload len of the wifi packet */
} wifi_csi_info_t;
#ifdef __cplusplus
}
#endif