IP_CT_IS_REPLY 21 include/uapi/linux/netfilter/nf_conntrack_common.h IP_CT_ESTABLISHED_REPLY = IP_CT_ESTABLISHED + IP_CT_IS_REPLY, IP_CT_IS_REPLY 22 include/uapi/linux/netfilter/nf_conntrack_common.h IP_CT_RELATED_REPLY = IP_CT_RELATED + IP_CT_IS_REPLY, IP_CT_IS_REPLY 23 include/uapi/linux/netfilter/nf_conntrack_common.h IP_CT_NEW_REPLY = IP_CT_NEW + IP_CT_IS_REPLY, IP_CT_IS_REPLY 25 include/uapi/linux/netfilter/nf_conntrack_common.h IP_CT_NUMBER = IP_CT_IS_REPLY * 2 - 1 IP_CT_IS_REPLY 29 include/uapi/linux/netfilter/nf_conntrack_common.h #define NF_CT_STATE_BIT(ctinfo) (1 << ((ctinfo) % IP_CT_IS_REPLY + 1)) IP_CT_IS_REPLY 37 include/uapi/linux/netfilter/nf_conntrack_tuple_common.h #define CTINFO2DIR(ctinfo) ((ctinfo) >= IP_CT_IS_REPLY ? IP_CT_DIR_REPLY : IP_CT_DIR_ORIGINAL) IP_CT_IS_REPLY 12 include/uapi/linux/netfilter/xt_conntrack.h #define XT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1)) IP_CT_IS_REPLY 4 include/uapi/linux/netfilter/xt_state.h #define XT_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))