Symbol: ipnospoof_check_v4
usr/src/uts/common/io/mac/mac_protect.c
1954
if (!ipnospoof_check_v4(mcip, protect, &ipha->ipha_src))
usr/src/uts/common/io/mac/mac_protect.c
1987
if (!ipnospoof_check_v4(mcip, protect, &spaddr))