efx_fast_push_rx_descriptors
efx_fast_push_rx_descriptors(&channel->rx_queue, true);
efx_fast_push_rx_descriptors(rx_queue, false);
efx_fast_push_rx_descriptors(rx_queue, true);
void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue, bool atomic);