HelenOS sources

e1000_disable_receive_address  612 uspace/drv/nic/e1k/e1k.c 		e1000_disable_receive_address(e1000, ra_num);
e1000_disable_receive_address  630 uspace/drv/nic/e1k/e1k.c 		e1000_disable_receive_address(e1000, ra_num);
HelenOS homepage, sources at GitHub