HelenOS sources
nic_received_frame 1191 uspace/drv/nic/e1k/e1k.c nic_received_frame(nic, frame);
nic_received_frame 99 uspace/drv/nic/virtio-net/virtio-net.c nic_received_frame(nic, frame);
nic_received_frame 1685 uspace/lib/ieee80211/src/ieee80211.c nic_received_frame(nic, frame);
nic_received_frame 244 uspace/lib/nic/include/nic.h extern void nic_received_frame(nic_t *, nic_frame_t *);
nic_received_frame 583 uspace/lib/nic/src/nic_driver.c nic_received_frame(nic_data, frame);
HelenOS homepage, sources at GitHub