FM / netfilter

/usr/include/linux/netfilter

Name	Size	Mode	Actions
ipset/	-	0755	rm
nfnetlink.h	2457	0644	edit dl rm
nfnetlink_acct.h	900	0644	edit dl rm
nfnetlink_compat.h	2444	0644	edit dl rm
nfnetlink_conntrack.h	6186	0644	edit dl rm
nfnetlink_cthelper.h	1206	0644	edit dl rm
nfnetlink_cttimeout.h	2951	0644	edit dl rm
nfnetlink_hook.h	1689	0644	edit dl rm
nfnetlink_log.h	3105	0644	edit dl rm
nfnetlink_osf.h	2665	0644	edit dl rm
nfnetlink_queue.h	3497	0644	edit dl rm
nf_conntrack_common.h	4588	0644	edit dl rm
nf_conntrack_ftp.h	438	0644	edit dl rm
nf_conntrack_sctp.h	597	0644	edit dl rm
nf_conntrack_tcp.h	1415	0644	edit dl rm
nf_conntrack_tuple_common.h	896	0644	edit dl rm
nf_log.h	538	0644	edit dl rm
nf_nat.h	1587	0644	edit dl rm
nf_synproxy.h	576	0644	edit dl rm
nf_tables.h	56433	0644	edit dl rm
nf_tables_compat.h	731	0644	edit dl rm
xt_addrtype.h	1084	0644	edit dl rm
xt_AUDIT.h	718	0644	edit dl rm
xt_bpf.h	935	0644	edit dl rm
xt_cgroup.h	740	0644	edit dl rm
xt_CHECKSUM.h	563	0644	edit dl rm
xt_CLASSIFY.h	217	0644	edit dl rm
xt_cluster.h	374	0644	edit dl rm
xt_comment.h	230	0644	edit dl rm
xt_connbytes.h	577	0644	edit dl rm
xt_connlabel.h	360	0644	edit dl rm
xt_connlimit.h	575	0644	edit dl rm
xt_CONNMARK.h	199	0644	edit dl rm
xt_connmark.h	901	0644	edit dl rm
xt_CONNSECMARK.h	301	0644	edit dl rm
xt_conntrack.h	2557	0644	edit dl rm
xt_cpu.h	199	0644	edit dl rm
xt_CT.h	853	0644	edit dl rm
xt_dccp.h	483	0644	edit dl rm
xt_devgroup.h	429	0644	edit dl rm
xt_DSCP.h	697	0644	edit dl rm
xt_dscp.h	701	0644	edit dl rm
xt_ecn.h	736	0644	edit dl rm
xt_esp.h	418	0644	edit dl rm
xt_hashlimit.h	3256	0644	edit dl rm
xt_helper.h	188	0644	edit dl rm
xt_HMARK.h	933	0644	edit dl rm
xt_IDLETIMER.h	1001	0644	edit dl rm
xt_ipcomp.h	485	0644	edit dl rm
xt_iprange.h	581	0644	edit dl rm
xt_ipvs.h	680	0644	edit dl rm
xt_l2tp.h	739	0644	edit dl rm
xt_LED.h	470	0644	edit dl rm
xt_length.h	221	0644	edit dl rm
xt_limit.h	673	0644	edit dl rm
xt_LOG.h	642	0644	edit dl rm
xt_mac.h	227	0644	edit dl rm
xt_MARK.h	184	0644	edit dl rm
xt_mark.h	260	0644	edit dl rm
xt_multiport.h	721	0644	edit dl rm
xt_nfacct.h	421	0644	edit dl rm
xt_NFLOG.h	556	0644	edit dl rm
xt_NFQUEUE.h	779	0644	edit dl rm
xt_osf.h	1703	0644	edit dl rm
xt_owner.h	535	0644	edit dl rm
xt_physdev.h	553	0644	edit dl rm
xt_pkttype.h	188	0644	edit dl rm
xt_policy.h	1051	0644	edit dl rm
xt_quota.h	400	0644	edit dl rm
xt_RATEEST.h	390	0644	edit dl rm
xt_rateest.h	859	0644	edit dl rm
xt_realm.h	220	0644	edit dl rm
xt_recent.h	1058	0644	edit dl rm
xt_rpfilter.h	320	0644	edit dl rm
xt_sctp.h	2329	0644	edit dl rm
xt_SECMARK.h	648	0644	edit dl rm
xt_set.h	1827	0644	edit dl rm
xt_socket.h	640	0644	edit dl rm
xt_state.h	331	0644	edit dl rm
xt_statistic.h	716	0644	edit dl rm
xt_string.h	664	0644	edit dl rm
xt_SYNPROXY.h	498	0644	edit dl rm
xt_TCPMSS.h	235	0644	edit dl rm
xt_tcpmss.h	253	0644	edit dl rm
xt_TCPOPTSTRIP.h	407	0644	edit dl rm
xt_tcpudp.h	1250	0644	edit dl rm
xt_TEE.h	333	0644	edit dl rm
xt_time.h	730	0644	edit dl rm
xt_TPROXY.h	575	0644	edit dl rm
xt_u32.h	752	0644	edit dl rm
x_tables.h	4466	0644	edit dl rm

Edit: /usr/include/linux/netfilter/xt_sctp.h (2329B)

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _XT_SCTP_H_
#define _XT_SCTP_H_

#include <linux/types.h>

#define XT_SCTP_SRC_PORTS	        0x01
#define XT_SCTP_DEST_PORTS	        0x02
#define XT_SCTP_CHUNK_TYPES		0x04

#define XT_SCTP_VALID_FLAGS		0x07

struct xt_sctp_flag_info {
	__u8 chunktype;
	__u8 flag;
	__u8 flag_mask;
};

#define XT_NUM_SCTP_FLAGS	4

struct xt_sctp_info {
	__u16 dpts[2];  /* Min, Max */
	__u16 spts[2];  /* Min, Max */

__u32 chunkmap[256 / sizeof (__u32)];  /* Bit mask of chunks to be matched according to RFC 2960 */

#define SCTP_CHUNK_MATCH_ANY   0x01  /* Match if any of the chunk types are present */
#define SCTP_CHUNK_MATCH_ALL   0x02  /* Match if all of the chunk types are present */
#define SCTP_CHUNK_MATCH_ONLY  0x04  /* Match if these are the only chunk types present */

__u32 chunk_match_type;
	struct xt_sctp_flag_info flag_info[XT_NUM_SCTP_FLAGS];
	int flag_count;

__u32 flags;
	__u32 invflags;
};

#define bytes(type) (sizeof(type) * 8)

#define SCTP_CHUNKMAP_SET(chunkmap, type) 		\
	do { 						\
		(chunkmap)[type / bytes(__u32)] |= 	\
			1u << (type % bytes(__u32));	\
	} while (0)

#define SCTP_CHUNKMAP_CLEAR(chunkmap, type)		 	\
	do {							\
		(chunkmap)[type / bytes(__u32)] &= 		\
			~(1u << (type % bytes(__u32)));	\
	} while (0)

#define SCTP_CHUNKMAP_IS_SET(chunkmap, type) 			\
({								\
	((chunkmap)[type / bytes (__u32)] & 		\
		(1u << (type % bytes (__u32)))) ? 1: 0;	\
})

#define SCTP_CHUNKMAP_RESET(chunkmap) \
	memset((chunkmap), 0, sizeof(chunkmap))

#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \
	memset((chunkmap), ~0U, sizeof(chunkmap))

#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \
	memcpy((destmap), (srcmap), sizeof(srcmap))

#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
	__sctp_chunkmap_is_clear((chunkmap), ARRAY_SIZE(chunkmap))
static __inline__ _Bool
__sctp_chunkmap_is_clear(const __u32 *chunkmap, unsigned int n)
{
	unsigned int i;
	for (i = 0; i < n; ++i)
		if (chunkmap[i])
			return 0;
	return 1;
}

#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
	__sctp_chunkmap_is_all_set((chunkmap), ARRAY_SIZE(chunkmap))
static __inline__ _Bool
__sctp_chunkmap_is_all_set(const __u32 *chunkmap, unsigned int n)
{
	unsigned int i;
	for (i = 0; i < n; ++i)
		if (chunkmap[i] != ~0U)
			return 0;
	return 1;
}

#endif /* _XT_SCTP_H_ */

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