IPV6_FW_F_IIFACE
rule.fw_flg |= IPV6_FW_F_IIFACE;
rule.fw_flg |= IPV6_FW_F_IIFACE;
if (chain->fw_flg & IPV6_FW_F_IIFACE)
if ((f->fw_flg & IPV6_FW_F_IIFACE)
#define IF6_FW_F_VIAHACK (IPV6_FW_F_IN|IPV6_FW_F_OUT|IPV6_FW_F_IIFACE|IPV6_FW_F_OIFACE)