golden hour

/usr/include/linux/netfilter

File/Folder	Size	Actions
ipset	-
nf_conntrack_common.h	3.81 KB
nf_conntrack_ftp.h	375 B
nf_conntrack_sctp.h	595 B
nf_conntrack_tcp.h	1.24 KB
nf_conntrack_tuple_common.h	708 B
nf_nat.h	1.12 KB
nf_tables.h	31.31 KB
nf_tables_compat.h	668 B
nfnetlink.h	2.01 KB
nfnetlink_acct.h	522 B
nfnetlink_compat.h	2.33 KB
nfnetlink_conntrack.h	5.42 KB
nfnetlink_cthelper.h	1.11 KB
nfnetlink_cttimeout.h	2.8 KB
nfnetlink_log.h	2.51 KB
nfnetlink_queue.h	2.88 KB
x_tables.h	4.3 KB
xt_AUDIT.h	655 B
xt_CHECKSUM.h	500 B
xt_CLASSIFY.h	154 B
xt_CONNMARK.h	136 B
xt_CONNSECMARK.h	238 B
xt_CT.h	790 B
xt_DSCP.h	709 B
xt_HMARK.h	841 B
xt_IDLETIMER.h	1.3 KB
xt_LED.h	407 B
xt_LOG.h	579 B
xt_MARK.h	121 B
xt_NFLOG.h	326 B
xt_NFQUEUE.h	716 B
xt_RATEEST.h	305 B
xt_SECMARK.h	486 B
xt_TCPMSS.h	172 B
xt_TCPOPTSTRIP.h	344 B
xt_TEE.h	240 B
xt_TPROXY.h	483 B
xt_addrtype.h	1021 B
xt_bpf.h	340 B
xt_cgroup.h	149 B
xt_cluster.h	311 B
xt_comment.h	167 B
xt_connbytes.h	514 B
xt_connlabel.h	217 B
xt_connlimit.h	571 B
xt_connmark.h	853 B
xt_conntrack.h	2.99 KB
xt_cpu.h	136 B
xt_dccp.h	420 B
xt_devgroup.h	366 B
xt_dscp.h	638 B
xt_ecn.h	673 B
xt_esp.h	355 B
xt_hashlimit.h	1.83 KB
xt_helper.h	125 B
xt_iprange.h	518 B
xt_ipvs.h	588 B
xt_length.h	158 B
xt_limit.h	610 B
xt_mac.h	135 B
xt_mark.h	473 B
xt_multiport.h	658 B
xt_nfacct.h	238 B
xt_osf.h	3.27 KB
xt_owner.h	557 B
xt_physdev.h	469 B
xt_pkttype.h	125 B
xt_policy.h	914 B
xt_quota.h	337 B
xt_rateest.h	774 B
xt_realm.h	157 B
xt_recent.h	966 B
xt_rpfilter.h	257 B
xt_sctp.h	2.22 KB
xt_set.h	1.38 KB
xt_socket.h	382 B
xt_state.h	268 B
xt_statistic.h	653 B
xt_string.h	601 B
xt_tcpmss.h	190 B
xt_tcpudp.h	1.16 KB
xt_time.h	667 B
xt_u32.h	689 B

Edit: nfnetlink_compat.h

#ifndef _NFNETLINK_COMPAT_H
#define _NFNETLINK_COMPAT_H

#include <linux/types.h>

/* Old nfnetlink macros for userspace */

/* nfnetlink groups: Up to 32 maximum */
#define NF_NETLINK_CONNTRACK_NEW 		0x00000001
#define NF_NETLINK_CONNTRACK_UPDATE		0x00000002
#define NF_NETLINK_CONNTRACK_DESTROY		0x00000004
#define NF_NETLINK_CONNTRACK_EXP_NEW		0x00000008
#define NF_NETLINK_CONNTRACK_EXP_UPDATE		0x00000010
#define NF_NETLINK_CONNTRACK_EXP_DESTROY	0x00000020

/* Generic structure for encapsulation optional netfilter information.
 * It is reminiscent of sockaddr, but with sa_family replaced
 * with attribute type.
 * ! This should someday be put somewhere generic as now rtnetlink and
 * ! nfnetlink use the same attributes methods. - J. Schulist.
 */

struct nfattr {
	__u16 nfa_len;
	__u16 nfa_type;	/* we use 15 bits for the type, and the highest
				 * bit to indicate whether the payload is nested */
};

/* FIXME: Apart from NFNL_NFA_NESTED shamelessly copy and pasted from
 * rtnetlink.h, it's time to put this in a generic file */

#define NFNL_NFA_NEST	0x8000
#define NFA_TYPE(attr) 	((attr)->nfa_type & 0x7fff)

#define NFA_ALIGNTO     4
#define NFA_ALIGN(len)	(((len) + NFA_ALIGNTO - 1) & ~(NFA_ALIGNTO - 1))
#define NFA_OK(nfa,len)	((len) > 0 && (nfa)->nfa_len >= sizeof(struct nfattr) \
	&& (nfa)->nfa_len <= (len))
#define NFA_NEXT(nfa,attrlen)	((attrlen) -= NFA_ALIGN((nfa)->nfa_len), \
	(struct nfattr *)(((char *)(nfa)) + NFA_ALIGN((nfa)->nfa_len)))
#define NFA_LENGTH(len)	(NFA_ALIGN(sizeof(struct nfattr)) + (len))
#define NFA_SPACE(len)	NFA_ALIGN(NFA_LENGTH(len))
#define NFA_DATA(nfa)   ((void *)(((char *)(nfa)) + NFA_LENGTH(0)))
#define NFA_PAYLOAD(nfa) ((int)((nfa)->nfa_len) - NFA_LENGTH(0))
#define NFA_NEST(skb, type) \
({	struct nfattr *__start = (struct nfattr *)skb_tail_pointer(skb); \
	NFA_PUT(skb, (NFNL_NFA_NEST | type), 0, NULL); \
	__start;  })
#define NFA_NEST_END(skb, start) \
({      (start)->nfa_len = skb_tail_pointer(skb) - (unsigned char *)(start); \
        (skb)->len; })
#define NFA_NEST_CANCEL(skb, start) \
({      if (start) \
                skb_trim(skb, (unsigned char *) (start) - (skb)->data); \
        -1; })

#define NFM_NFA(n)      ((struct nfattr *)(((char *)(n)) \
        + NLMSG_ALIGN(sizeof(struct nfgenmsg))))
#define NFM_PAYLOAD(n)  NLMSG_PAYLOAD(n, sizeof(struct nfgenmsg))

#endif /* _NFNETLINK_COMPAT_H */