golden hour

/usr/include/linux/netfilter

File/Folder	Size	Actions
ipset	-
nf_conntrack_common.h	4.48 KB
nf_conntrack_ftp.h	438 B
nf_conntrack_sctp.h	597 B
nf_conntrack_tcp.h	1.38 KB
nf_conntrack_tuple_common.h	896 B
nf_log.h	538 B
nf_nat.h	1.55 KB
nf_synproxy.h	576 B
nf_tables.h	56.89 KB
nf_tables_compat.h	731 B
nfnetlink.h	2.4 KB
nfnetlink_acct.h	900 B
nfnetlink_compat.h	2.39 KB
nfnetlink_conntrack.h	6.04 KB
nfnetlink_cthelper.h	1.18 KB
nfnetlink_cttimeout.h	2.88 KB
nfnetlink_hook.h	1.65 KB
nfnetlink_log.h	3.03 KB
nfnetlink_osf.h	2.6 KB
nfnetlink_queue.h	3.5 KB
x_tables.h	4.36 KB
xt_AUDIT.h	718 B
xt_CHECKSUM.h	563 B
xt_CLASSIFY.h	217 B
xt_CONNMARK.h	199 B
xt_CONNSECMARK.h	301 B
xt_CT.h	853 B
xt_DSCP.h	697 B
xt_HMARK.h	933 B
xt_IDLETIMER.h	1.6 KB
xt_LED.h	470 B
xt_LOG.h	642 B
xt_MARK.h	184 B
xt_NFLOG.h	556 B
xt_NFQUEUE.h	779 B
xt_RATEEST.h	390 B
xt_SECMARK.h	648 B
xt_SYNPROXY.h	498 B
xt_TCPMSS.h	235 B
xt_TCPOPTSTRIP.h	407 B
xt_TEE.h	333 B
xt_TPROXY.h	575 B
xt_addrtype.h	1.06 KB
xt_bpf.h	935 B
xt_cgroup.h	740 B
xt_cluster.h	374 B
xt_comment.h	230 B
xt_connbytes.h	577 B
xt_connlabel.h	360 B
xt_connlimit.h	575 B
xt_connmark.h	901 B
xt_conntrack.h	2.5 KB
xt_cpu.h	199 B
xt_dccp.h	483 B
xt_devgroup.h	429 B
xt_dscp.h	701 B
xt_ecn.h	736 B
xt_esp.h	418 B
xt_hashlimit.h	3.18 KB
xt_helper.h	188 B
xt_ipcomp.h	485 B
xt_iprange.h	581 B
xt_ipvs.h	680 B
xt_l2tp.h	739 B
xt_length.h	221 B
xt_limit.h	673 B
xt_mac.h	227 B
xt_mark.h	260 B
xt_multiport.h	721 B
xt_nfacct.h	421 B
xt_osf.h	1.66 KB
xt_owner.h	535 B
xt_physdev.h	553 B
xt_pkttype.h	188 B
xt_policy.h	1.03 KB
xt_quota.h	400 B
xt_rateest.h	859 B
xt_realm.h	220 B
xt_recent.h	1.03 KB
xt_rpfilter.h	320 B
xt_sctp.h	2.27 KB
xt_set.h	1.78 KB
xt_socket.h	640 B
xt_state.h	331 B
xt_statistic.h	716 B
xt_string.h	664 B
xt_tcpmss.h	253 B
xt_tcpudp.h	1.22 KB
xt_time.h	730 B
xt_u32.h	752 B

Edit: nfnetlink_cttimeout.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _CTTIMEOUT_NETLINK_H
#define _CTTIMEOUT_NETLINK_H
#include <linux/netfilter/nfnetlink.h>

enum ctnl_timeout_msg_types {
	IPCTNL_MSG_TIMEOUT_NEW,
	IPCTNL_MSG_TIMEOUT_GET,
	IPCTNL_MSG_TIMEOUT_DELETE,
	IPCTNL_MSG_TIMEOUT_DEFAULT_SET,
	IPCTNL_MSG_TIMEOUT_DEFAULT_GET,

IPCTNL_MSG_TIMEOUT_MAX
};

enum ctattr_timeout {
	CTA_TIMEOUT_UNSPEC,
	CTA_TIMEOUT_NAME,
	CTA_TIMEOUT_L3PROTO,
	CTA_TIMEOUT_L4PROTO,
	CTA_TIMEOUT_DATA,
	CTA_TIMEOUT_USE,
	__CTA_TIMEOUT_MAX
};
#define CTA_TIMEOUT_MAX (__CTA_TIMEOUT_MAX - 1)

enum ctattr_timeout_generic {
	CTA_TIMEOUT_GENERIC_UNSPEC,
	CTA_TIMEOUT_GENERIC_TIMEOUT,
	__CTA_TIMEOUT_GENERIC_MAX
};
#define CTA_TIMEOUT_GENERIC_MAX (__CTA_TIMEOUT_GENERIC_MAX - 1)

enum ctattr_timeout_tcp {
	CTA_TIMEOUT_TCP_UNSPEC,
	CTA_TIMEOUT_TCP_SYN_SENT,
	CTA_TIMEOUT_TCP_SYN_RECV,
	CTA_TIMEOUT_TCP_ESTABLISHED,
	CTA_TIMEOUT_TCP_FIN_WAIT,
	CTA_TIMEOUT_TCP_CLOSE_WAIT,
	CTA_TIMEOUT_TCP_LAST_ACK,
	CTA_TIMEOUT_TCP_TIME_WAIT,
	CTA_TIMEOUT_TCP_CLOSE,
	CTA_TIMEOUT_TCP_SYN_SENT2,
	CTA_TIMEOUT_TCP_RETRANS,
	CTA_TIMEOUT_TCP_UNACK,
	__CTA_TIMEOUT_TCP_MAX
};
#define CTA_TIMEOUT_TCP_MAX (__CTA_TIMEOUT_TCP_MAX - 1)

enum ctattr_timeout_udp {
	CTA_TIMEOUT_UDP_UNSPEC,
	CTA_TIMEOUT_UDP_UNREPLIED,
	CTA_TIMEOUT_UDP_REPLIED,
	__CTA_TIMEOUT_UDP_MAX
};
#define CTA_TIMEOUT_UDP_MAX (__CTA_TIMEOUT_UDP_MAX - 1)

enum ctattr_timeout_udplite {
	CTA_TIMEOUT_UDPLITE_UNSPEC,
	CTA_TIMEOUT_UDPLITE_UNREPLIED,
	CTA_TIMEOUT_UDPLITE_REPLIED,
	__CTA_TIMEOUT_UDPLITE_MAX
};
#define CTA_TIMEOUT_UDPLITE_MAX (__CTA_TIMEOUT_UDPLITE_MAX - 1)

enum ctattr_timeout_icmp {
	CTA_TIMEOUT_ICMP_UNSPEC,
	CTA_TIMEOUT_ICMP_TIMEOUT,
	__CTA_TIMEOUT_ICMP_MAX
};
#define CTA_TIMEOUT_ICMP_MAX (__CTA_TIMEOUT_ICMP_MAX - 1)

enum ctattr_timeout_dccp {
	CTA_TIMEOUT_DCCP_UNSPEC,
	CTA_TIMEOUT_DCCP_REQUEST,
	CTA_TIMEOUT_DCCP_RESPOND,
	CTA_TIMEOUT_DCCP_PARTOPEN,
	CTA_TIMEOUT_DCCP_OPEN,
	CTA_TIMEOUT_DCCP_CLOSEREQ,
	CTA_TIMEOUT_DCCP_CLOSING,
	CTA_TIMEOUT_DCCP_TIMEWAIT,
	__CTA_TIMEOUT_DCCP_MAX
};
#define CTA_TIMEOUT_DCCP_MAX (__CTA_TIMEOUT_DCCP_MAX - 1)

enum ctattr_timeout_sctp {
	CTA_TIMEOUT_SCTP_UNSPEC,
	CTA_TIMEOUT_SCTP_CLOSED,
	CTA_TIMEOUT_SCTP_COOKIE_WAIT,
	CTA_TIMEOUT_SCTP_COOKIE_ECHOED,
	CTA_TIMEOUT_SCTP_ESTABLISHED,
	CTA_TIMEOUT_SCTP_SHUTDOWN_SENT,
	CTA_TIMEOUT_SCTP_SHUTDOWN_RECD,
	CTA_TIMEOUT_SCTP_SHUTDOWN_ACK_SENT,
	CTA_TIMEOUT_SCTP_HEARTBEAT_SENT,
	CTA_TIMEOUT_SCTP_HEARTBEAT_ACKED, /* no longer used */
	__CTA_TIMEOUT_SCTP_MAX
};
#define CTA_TIMEOUT_SCTP_MAX (__CTA_TIMEOUT_SCTP_MAX - 1)

enum ctattr_timeout_icmpv6 {
	CTA_TIMEOUT_ICMPV6_UNSPEC,
	CTA_TIMEOUT_ICMPV6_TIMEOUT,
	__CTA_TIMEOUT_ICMPV6_MAX
};
#define CTA_TIMEOUT_ICMPV6_MAX (__CTA_TIMEOUT_ICMPV6_MAX - 1)

enum ctattr_timeout_gre {
	CTA_TIMEOUT_GRE_UNSPEC,
	CTA_TIMEOUT_GRE_UNREPLIED,
	CTA_TIMEOUT_GRE_REPLIED,
	__CTA_TIMEOUT_GRE_MAX
};
#define CTA_TIMEOUT_GRE_MAX (__CTA_TIMEOUT_GRE_MAX - 1)

#define CTNL_TIMEOUT_NAME_MAX	32

#endif