NAPI_STATE_NPSVC
NAPIF_STATE_NPSVC = BIT(NAPI_STATE_NPSVC),
set_bit(NAPI_STATE_NPSVC, &napi->state);
if (test_and_set_bit(NAPI_STATE_NPSVC, &napi->state))
clear_bit(NAPI_STATE_NPSVC, &napi->state);