nf_conntrack_dccp.h

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#ifndef _NF_CONNTRACK_DCCP_H
#define _NF_CONNTRACK_DCCP_H

/* Exposed to userspace over nfnetlink */
enum ct_dccp_states {
    CT_DCCP_NONE,
    CT_DCCP_REQUEST,
    CT_DCCP_RESPOND,
    CT_DCCP_PARTOPEN,
    CT_DCCP_OPEN,
    CT_DCCP_CLOSEREQ,
    CT_DCCP_CLOSING,
    CT_DCCP_TIMEWAIT,
    CT_DCCP_IGNORE,
    CT_DCCP_INVALID,
    __CT_DCCP_MAX
};
#define CT_DCCP_MAX     (__CT_DCCP_MAX - 1)

enum ct_dccp_roles {
    CT_DCCP_ROLE_CLIENT,
    CT_DCCP_ROLE_SERVER,
    __CT_DCCP_ROLE_MAX
};
#define CT_DCCP_ROLE_MAX    (__CT_DCCP_ROLE_MAX - 1)

#ifdef __KERNEL__
#include <net/netfilter/nf_conntrack_tuple.h>

struct nf_ct_dccp {
    u_int8_t    role[IP_CT_DIR_MAX];
    u_int8_t    state;
    u_int8_t    last_pkt;
    u_int8_t    last_dir;
    u_int64_t   handshake_seq;
};

#endif /* __KERNEL__ */

#endif /* _NF_CONNTRACK_DCCP_H */