XT_PHYSDEV_OP_MASK 99 net/netfilter/xt_physdev.c if (!(info->bitmask & XT_PHYSDEV_OP_MASK) || XT_PHYSDEV_OP_MASK 100 net/netfilter/xt_physdev.c info->bitmask & ~XT_PHYSDEV_OP_MASK)