taglinefilesource code
mfcc_origin67include/linux/mroute.hstruct in_addr mfcc_origin;    /* Origin of mcast  */
mfcc_origin364net/ipv4/ipmr.ccache=ipmr_cache_find(mfc->mfcc_origin.s_addr,mfc->mfcc_mcastgrp.s_addr);
mfcc_origin411net/ipv4/ipmr.ccache->mfc_origin=mfc->mfcc_origin.s_addr;