WX_FLAG_RX_HWTSTAMP_ENABLED
if (unlikely(test_bit(WX_FLAG_RX_HWTSTAMP_ENABLED, wx->flags)) &&
clear_bit(WX_FLAG_RX_HWTSTAMP_ENABLED, flags);
set_bit(WX_FLAG_RX_HWTSTAMP_ENABLED, flags);
set_bit(WX_FLAG_RX_HWTSTAMP_ENABLED, flags);
set_bit(WX_FLAG_RX_HWTSTAMP_ENABLED, flags);