text: #ifndef _IPCONNTRACK_NETLINK_H
  #define _IPCONNTRACK_NETLINK_H
  #include <linux/netfilter/nfnetlink.h>
  
  enum cntl_msg_types
  {
      IPCTNL_MSG_CT_NEW,
      IPCTNL_MSG_CT_GET,
      IPCTNL_MSG_CT_DELETE,
      IPCTNL_MSG_CT_GET_CTRZERO,
      IPCTNL_MSG_CT_GET_STATS_CPU,
      IPCTNL_MSG_CT_GET_STATS,
  
      IPCTNL_MSG_MAX
  };
  
  enum ctnl_exp_msg_types
  {
      IPCTNL_MSG_EXP_NEW,
      IPCTNL_MSG_EXP_GET,
      IPCTNL_MSG_EXP_DELETE,
      IPCTNL_MSG_EXP_GET_STATS_CPU,
  
      IPCTNL_MSG_EXP_MAX
  };
  
  enum ctattr_type
  {
      CTA_UNSPEC,
      CTA_TUPLE_ORIG,
      CTA_TUPLE_REPLY,
      CTA_STATUS,
      CTA_PROTOINFO,
      CTA_HELP,
      CTA_NAT_SRC,
  #define CTA_NAT CTA_NAT_SRC /* backwards compatibility */
      CTA_TIMEOUT,
      CTA_MARK,
      CTA_COUNTERS_ORIG,
      CTA_COUNTERS_REPLY,
      CTA_USE,
      CTA_ID,
      CTA_NAT_DST,
      CTA_TUPLE_MASTER,
      CTA_NAT_SEQ_ADJ_ORIG,
      CTA_NAT_SEQ_ADJ_REPLY,
      CTA_SECMARK, /* obsolete */
      CTA_ZONE,
      CTA_SECCTX,
      CTA_TIMESTAMP,
      CTA_MARK_MASK,
      __CTA_MAX
  };
  #define CTA_MAX (__CTA_MAX - 1)
  
  enum ctattr_tuple
  {
      CTA_TUPLE_UNSPEC,
      CTA_TUPLE_IP,
      CTA_TUPLE_PROTO,
      __CTA_TUPLE_MAX
  };
  #define CTA_TUPLE_MAX (__CTA_TUPLE_MAX - 1)
  
  enum ctattr_ip
  {
      CTA_IP_UNSPEC,
      CTA_IP_V4_SRC,
      CTA_IP_V4_DST,
      CTA_IP_V6_SRC,
      CTA_IP_V6_DST,
      __CTA_IP_MAX
  };
  #define CTA_IP_MAX (__CTA_IP_MAX - 1)
  
  enum ctattr_l4proto
  {
      CTA_PROTO_UNSPEC,
      CTA_PROTO_NUM,
      CTA_PROTO_SRC_PORT,
      CTA_PROTO_DST_PORT,
      CTA_PROTO_ICMP_ID,
      CTA_PROTO_ICMP_TYPE,
      CTA_PROTO_ICMP_CODE,
      CTA_PROTO_ICMPV6_ID,
      CTA_PROTO_ICMPV6_TYPE,
      CTA_PROTO_ICMPV6_CODE,
      __CTA_PROTO_MAX
  };
  #define CTA_PROTO_MAX (__CTA_PROTO_MAX - 1)
  
  enum ctattr_protoinfo
  {
      CTA_PROTOINFO_UNSPEC,
      CTA_PROTOINFO_TCP,
      CTA_PROTOINFO_DCCP,
      CTA_PROTOINFO_SCTP,
      __CTA_PROTOINFO_MAX
  };
  #define CTA_PROTOINFO_MAX (__CTA_PROTOINFO_MAX - 1)
  
  enum ctattr_protoinfo_tcp
  {
      CTA_PROTOINFO_TCP_UNSPEC,
      CTA_PROTOINFO_TCP_STATE,
      CTA_PROTOINFO_TCP_WSCALE_ORIGINAL,
      CTA_PROTOINFO_TCP_WSCALE_REPLY,
      CTA_PROTOINFO_TCP_FLAGS_ORIGINAL,
      CTA_PROTOINFO_TCP_FLAGS_REPLY,
      __CTA_PROTOINFO_TCP_MAX
  };
  #define CTA_PROTOINFO_TCP_MAX (__CTA_PROTOINFO_TCP_MAX - 1)
  
  enum ctattr_protoinfo_dccp
  {
      CTA_PROTOINFO_DCCP_UNSPEC,
      CTA_PROTOINFO_DCCP_STATE,
      CTA_PROTOINFO_DCCP_ROLE,
      CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ,
      __CTA_PROTOINFO_DCCP_MAX,
  };
  #define CTA_PROTOINFO_DCCP_MAX (__CTA_PROTOINFO_DCCP_MAX - 1)
  
  enum ctattr_protoinfo_sctp
  {
      CTA_PROTOINFO_SCTP_UNSPEC,
      CTA_PROTOINFO_SCTP_STATE,
      CTA_PROTOINFO_SCTP_VTAG_ORIGINAL,
      CTA_PROTOINFO_SCTP_VTAG_REPLY,
      __CTA_PROTOINFO_SCTP_MAX
  };
  #define CTA_PROTOINFO_SCTP_MAX (__CTA_PROTOINFO_SCTP_MAX - 1)
  
  enum ctattr_counters
  {
      CTA_COUNTERS_UNSPEC,
      CTA_COUNTERS_PACKETS,   /* 64bit counters */
      CTA_COUNTERS_BYTES,     /* 64bit counters */
      CTA_COUNTERS32_PACKETS, /* old 32bit counters, unused */
      CTA_COUNTERS32_BYTES,   /* old 32bit counters, unused */
      __CTA_COUNTERS_MAX
  };
  #define CTA_COUNTERS_MAX (__CTA_COUNTERS_MAX - 1)
  
  enum ctattr_tstamp
  {
      CTA_TIMESTAMP_UNSPEC,
      CTA_TIMESTAMP_START,
      CTA_TIMESTAMP_STOP,
      __CTA_TIMESTAMP_MAX
  };
  #define CTA_TIMESTAMP_MAX (__CTA_TIMESTAMP_MAX - 1)
  
  enum ctattr_nat
  {
      CTA_NAT_UNSPEC,
      CTA_NAT_V4_MINIP,
  #define CTA_NAT_MINIP CTA_NAT_V4_MINIP
      CTA_NAT_V4_MAXIP,
  #define CTA_NAT_MAXIP CTA_NAT_V4_MAXIP
      CTA_NAT_PROTO,
      CTA_NAT_V6_MINIP,
      CTA_NAT_V6_MAXIP,
      __CTA_NAT_MAX
  };
  #define CTA_NAT_MAX (__CTA_NAT_MAX - 1)
  
  enum ctattr_protonat
  {
      CTA_PROTONAT_UNSPEC,
      CTA_PROTONAT_PORT_MIN,
      CTA_PROTONAT_PORT_MAX,
      __CTA_PROTONAT_MAX
  };
  #define CTA_PROTONAT_MAX (__CTA_PROTONAT_MAX - 1)
  
  enum ctattr_natseq
  {
      CTA_NAT_SEQ_UNSPEC,
      CTA_NAT_SEQ_CORRECTION_POS,
      CTA_NAT_SEQ_OFFSET_BEFORE,
      CTA_NAT_SEQ_OFFSET_AFTER,
      __CTA_NAT_SEQ_MAX
  };
  #define CTA_NAT_SEQ_MAX (__CTA_NAT_SEQ_MAX - 1)
  
  enum ctattr_expect
  {
      CTA_EXPECT_UNSPEC,
      CTA_EXPECT_MASTER,
      CTA_EXPECT_TUPLE,
      CTA_EXPECT_MASK,
      CTA_EXPECT_TIMEOUT,
      CTA_EXPECT_ID,
      CTA_EXPECT_HELP_NAME,
      CTA_EXPECT_ZONE,
      CTA_EXPECT_FLAGS,
      CTA_EXPECT_CLASS,
      CTA_EXPECT_NAT,
      CTA_EXPECT_FN,
      __CTA_EXPECT_MAX
  };
  #define CTA_EXPECT_MAX (__CTA_EXPECT_MAX - 1)
  
  enum ctattr_expect_nat
  {
      CTA_EXPECT_NAT_UNSPEC,
      CTA_EXPECT_NAT_DIR,
      CTA_EXPECT_NAT_TUPLE,
      __CTA_EXPECT_NAT_MAX
  };
  #define CTA_EXPECT_NAT_MAX (__CTA_EXPECT_NAT_MAX - 1)
  
  enum ctattr_help
  {
      CTA_HELP_UNSPEC,
      CTA_HELP_NAME,
      CTA_HELP_INFO,
      __CTA_HELP_MAX
  };
  #define CTA_HELP_MAX (__CTA_HELP_MAX - 1)
  
  enum ctattr_secctx
  {
      CTA_SECCTX_UNSPEC,
      CTA_SECCTX_NAME,
      __CTA_SECCTX_MAX
  };
  #define CTA_SECCTX_MAX (__CTA_SECCTX_MAX - 1)
  
  enum ctattr_stats_cpu
  {
      CTA_STATS_UNSPEC,
      CTA_STATS_SEARCHED,
      CTA_STATS_FOUND,
      CTA_STATS_NEW,
      CTA_STATS_INVALID,
      CTA_STATS_IGNORE,
      CTA_STATS_DELETE,
      CTA_STATS_DELETE_LIST,
      CTA_STATS_INSERT,
      CTA_STATS_INSERT_FAILED,
      CTA_STATS_DROP,
      CTA_STATS_EARLY_DROP,
      CTA_STATS_ERROR,
      CTA_STATS_SEARCH_RESTART,
      __CTA_STATS_MAX,
  };
  #define CTA_STATS_MAX (__CTA_STATS_MAX - 1)
  
  enum ctattr_stats_global
  {
      CTA_STATS_GLOBAL_UNSPEC,
      CTA_STATS_GLOBAL_ENTRIES,
      __CTA_STATS_GLOBAL_MAX,
  };
  #define CTA_STATS_GLOBAL_MAX (__CTA_STATS_GLOBAL_MAX - 1)
  
  enum ctattr_expect_stats
  {
      CTA_STATS_EXP_UNSPEC,
      CTA_STATS_EXP_NEW,
      CTA_STATS_EXP_CREATE,
      CTA_STATS_EXP_DELETE,
      __CTA_STATS_EXP_MAX,
  };
  #define CTA_STATS_EXP_MAX (__CTA_STATS_EXP_MAX - 1)
  
  #endif /* _IPCONNTRACK_NETLINK_H */
  