Symbol: fr_sifpidx
usr/src/uts/common/inet/ipf/fil.c
3881
fr->fr_ifas[fr->fr_sifpidx],
usr/src/uts/common/inet/ipf/fil.c
4572
if (fp->fr_sifpidx < 0 || fp->fr_sifpidx > 3) {