Here is a list of all documented files with brief descriptions:

[detail level 12]

esp_sdr
esp_sdr.h	ESP-SDR: raw I/Q receive and transmit on the ESP32-S3 Wi-Fi radio
esp_sdr_diag.h	ESP-SDR gapless receive on the ESP32-C5 through the modem diagnostic bus
esp_sdr_paced.h	ESP-SDR CPU-paced streaming (ESP32-C6, ESP32-C5): continuous receive and transmit, one sample at a time from the caller's loop
esp_sdr_replay.h	ESP-SDR loop replay through the modem DAC engine (ESP32-C5)
esp_sdr_ring.h	ESP-SDR continuous receive: gapless, decimated I/Q from the 16 MS/s ring
esp_sdr_rx.h	ESP-SDR receive: gain, analog low-pass, burst and decimated capture
esp_sdr_tx.h	ESP-SDR transmit: power steps, one-shot DAC playback and sweeps, and the streaming interface with its backends
ieee154_esp_sdr.h	Diagnostics of the esp_sdr IEEE 802.15.4 radio driver (device "esp_sdr_154")
ieee154_phy.h	Software IEEE 802.15.4 2.4 GHz O-QPSK PHY, portable C