XT_PHYSDEV_OP_MASK 13 include/linux/netfilter_ipv4/ipt_physdev.h #define IPT_PHYSDEV_OP_MASK XT_PHYSDEV_OP_MASK XT_PHYSDEV_OP_MASK 13 include/linux/netfilter_ipv6/ip6t_physdev.h #define IP6T_PHYSDEV_OP_MASK XT_PHYSDEV_OP_MASK XT_PHYSDEV_OP_MASK 98 net/netfilter/xt_physdev.c if (!(info->bitmask & XT_PHYSDEV_OP_MASK) || XT_PHYSDEV_OP_MASK 99 net/netfilter/xt_physdev.c info->bitmask & ~XT_PHYSDEV_OP_MASK)