NIC_POLL_SOFTWARE_PERIODIC 756 uspace/lib/nic/src/nic_impl.c if (mode == NIC_POLL_PERIODIC || mode == NIC_POLL_SOFTWARE_PERIODIC) { NIC_POLL_SOFTWARE_PERIODIC 768 uspace/lib/nic/src/nic_impl.c (mode == NIC_POLL_PERIODIC || mode == NIC_POLL_SOFTWARE_PERIODIC)) {HelenOS homepage, sources at GitHub