SWAMPy

✎ CARVE FLESH

EDITING: nf_conntrack_tcp.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NF_CONNTRACK_TCP_H
#define _NF_CONNTRACK_TCP_H

#include <uapi/linux/netfilter/nf_conntrack_tcp.h>

struct ip_ct_tcp_state {
	u_int32_t	td_end;		/* max of seq + len */
	u_int32_t	td_maxend;	/* max of ack + max(win, 1) */
	u_int32_t	td_maxwin;	/* max(win) */
	u_int32_t	td_maxack;	/* max of ack */
	u_int8_t	td_scale;	/* window scale factor */
	u_int8_t	flags;		/* per direction options */
};

struct ip_ct_tcp {
	struct ip_ct_tcp_state seen[2];	/* connection parameters per direction */
	u_int8_t	state;		/* state of the connection (enum tcp_conntrack) */
	/* For detecting stale connections */
	u_int8_t	last_dir;	/* Direction of the last packet (enum ip_conntrack_dir) */
	u_int8_t	retrans;	/* Number of retransmitted packets */
	u_int8_t	last_index;	/* Index of the last packet */
	u_int32_t	last_seq;	/* Last sequence number seen in dir */
	u_int32_t	last_ack;	/* Last sequence number seen in opposite dir */
	u_int32_t	last_end;	/* Last seq + len */
	u_int16_t	last_win;	/* Last window advertisement seen in dir */
	/* For SYN packets while we may be out-of-sync */
	u_int8_t	last_wscale;	/* Last window scaling factor seen */
	u_int8_t	last_flags;	/* Last flags set */
};

#endif /* _NF_CONNTRACK_TCP_H */

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 ipset/	DIR	—	2026-03-10 17:30
📄 nf_conntrack_amanda.h	H	495 B	2025-09-28 21:39	EDIT
📄 nf_conntrack_common.h	H	1 KB	2025-09-28 21:39	EDIT
📄 nf_conntrack_ftp.h	H	1.2 KB	2025-09-28 21:39	EDIT
📄 nf_conntrack_h323.h	H	3.1 KB	2025-09-28 21:39	EDIT
📄 nf_conntrack_h323_asn1.h	H	3.3 KB	2025-09-28 21:39	EDIT
📄 nf_conntrack_h323_types.h	H	33.7 KB	2025-09-28 21:39	EDIT
📄 nf_conntrack_irc.h	H	504 B	2025-09-28 21:39	EDIT
📄 nf_conntrack_pptp.h	H	7.4 KB	2025-09-28 21:39	EDIT
📄 nf_conntrack_proto_gre.h	H	869 B	2025-09-28 21:39	EDIT
📄 nf_conntrack_sane.h	H	352 B	2025-09-28 21:39	EDIT
📄 nf_conntrack_sctp.h	H	338 B	2025-09-28 21:39	EDIT
📄 nf_conntrack_sip.h	H	5.5 KB	2025-09-28 21:39	EDIT
📄 nf_conntrack_snmp.h	H	327 B	2025-09-28 21:39	EDIT
📄 nf_conntrack_tcp.h	H	1.2 KB	2025-09-28 21:39	EDIT
📄 nf_conntrack_tftp.h	H	608 B	2025-09-28 21:39	EDIT
📄 nf_conntrack_zones_common.h	H	576 B	2025-09-28 21:39	EDIT
📄 nfnetlink.h	H	2.8 KB	2025-09-28 21:39	EDIT
📄 nfnetlink_acct.h	H	542 B	2025-09-28 21:39	EDIT
📄 nfnetlink_osf.h	H	967 B	2025-09-28 21:39	EDIT
📄 x_tables.h	H	14.7 KB	2025-09-28 21:39	EDIT