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_hashlimit.h (3256B)

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

#include <linux/types.h>
#include <linux/limits.h>
#include <linux/if.h>

/* timings are in milliseconds. */
#define XT_HASHLIMIT_SCALE 10000
#define XT_HASHLIMIT_SCALE_v2 1000000llu
/* 1/10,000 sec period => max of 10,000/sec.  Min rate is then 429490
 * seconds, or one packet every 59 hours.
 */

/* packet length accounting is done in 16-byte steps */
#define XT_HASHLIMIT_BYTE_SHIFT 4

/* details of this structure hidden by the implementation */
struct xt_hashlimit_htable;

enum {
	XT_HASHLIMIT_HASH_DIP		= 1 << 0,
	XT_HASHLIMIT_HASH_DPT		= 1 << 1,
	XT_HASHLIMIT_HASH_SIP		= 1 << 2,
	XT_HASHLIMIT_HASH_SPT		= 1 << 3,
	XT_HASHLIMIT_INVERT		= 1 << 4,
	XT_HASHLIMIT_BYTES		= 1 << 5,
	XT_HASHLIMIT_RATE_MATCH		= 1 << 6,
};

struct hashlimit_cfg {
	__u32 mode;	  /* bitmask of XT_HASHLIMIT_HASH_* */
	__u32 avg;    /* Average secs between packets * scale */
	__u32 burst;  /* Period multiplier for upper limit. */

/* user specified */
	__u32 size;		/* how many buckets */
	__u32 max;		/* max number of entries */
	__u32 gc_interval;	/* gc interval */
	__u32 expire;	/* when do entries expire? */
};

struct xt_hashlimit_info {
	char name [IFNAMSIZ];		/* name */
	struct hashlimit_cfg cfg;

/* Used internally by the kernel */
	struct xt_hashlimit_htable *hinfo;
	union {
		void *ptr;
		struct xt_hashlimit_info *master;
	} u;
};

struct hashlimit_cfg1 {
	__u32 mode;	  /* bitmask of XT_HASHLIMIT_HASH_* */
	__u32 avg;    /* Average secs between packets * scale */
	__u32 burst;  /* Period multiplier for upper limit. */

/* user specified */
	__u32 size;		/* how many buckets */
	__u32 max;		/* max number of entries */
	__u32 gc_interval;	/* gc interval */
	__u32 expire;	/* when do entries expire? */

__u8 srcmask, dstmask;
};

struct hashlimit_cfg2 {
	__u64 avg;		/* Average secs between packets * scale */
	__u64 burst;		/* Period multiplier for upper limit. */
	__u32 mode;		/* bitmask of XT_HASHLIMIT_HASH_* */

/* user specified */
	__u32 size;		/* how many buckets */
	__u32 max;		/* max number of entries */
	__u32 gc_interval;	/* gc interval */
	__u32 expire;		/* when do entries expire? */

__u8 srcmask, dstmask;
};

struct hashlimit_cfg3 {
	__u64 avg;		/* Average secs between packets * scale */
	__u64 burst;		/* Period multiplier for upper limit. */
	__u32 mode;		/* bitmask of XT_HASHLIMIT_HASH_* */

/* user specified */
	__u32 size;		/* how many buckets */
	__u32 max;		/* max number of entries */
	__u32 gc_interval;	/* gc interval */
	__u32 expire;		/* when do entries expire? */

__u32 interval;
	__u8 srcmask, dstmask;
};

struct xt_hashlimit_mtinfo1 {
	char name[IFNAMSIZ];
	struct hashlimit_cfg1 cfg;

/* Used internally by the kernel */
	struct xt_hashlimit_htable *hinfo __attribute__((aligned(8)));
};

struct xt_hashlimit_mtinfo2 {
	char name[NAME_MAX];
	struct hashlimit_cfg2 cfg;

/* Used internally by the kernel */
	struct xt_hashlimit_htable *hinfo __attribute__((aligned(8)));
};

struct xt_hashlimit_mtinfo3 {
	char name[NAME_MAX];
	struct hashlimit_cfg3 cfg;

/* Used internally by the kernel */
	struct xt_hashlimit_htable *hinfo __attribute__((aligned(8)));
};

#endif /* _XT_HASHLIMIT_H */

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