Function esp_idf_svc::hal::sys::esp_wifi_internal_reg_netstack_buf_cb
source ยท pub unsafe extern "C" fn esp_wifi_internal_reg_netstack_buf_cb(
ref_: Option<unsafe extern "C" fn(_: *mut c_void)>,
free: Option<unsafe extern "C" fn(_: *mut c_void)>,
) -> i32
Expand description
@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