Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /sys/external/bsd/ipf/netinet/ip_frag.h 
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
/*	$NetBSD: ip_frag.h,v 1.3 2012/07/22 14:27:51 darrenr Exp $	*/

/*
 * Copyright (C) 2012 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * @(#)ip_frag.h	1.5 3/24/96
 * Id: ip_frag.h,v 1.1.1.2 2012/07/22 13:45:17 darrenr Exp
 */

#ifndef _NETINET_IP_FRAG_H_
#define _NETINET_IP_FRAG_H_

#define	IPFT_SIZE	257

typedef	struct	ipfr	{
	struct	ipfr	*ipfr_hnext, **ipfr_hprev;
	struct	ipfr	*ipfr_next, **ipfr_prev;
	void	*ipfr_data;
	frentry_t *ipfr_rule;
	u_long	ipfr_ttl;
	u_int	ipfr_pkts;
	u_int	ipfr_bytes;
	u_int	ipfr_badorder;
	int	ipfr_ref;
	u_short	ipfr_off;
	u_short	ipfr_firstend;
	u_char	ipfr_p;
	u_char	ipfr_seen0;
	/*
	 * All of the fields, from ipfr_ifp to ipfr_pass, are compared
	 * using bcmp to see if an identical entry is present.  It is
	 * therefore important for this set to remain together.
	 */
	void	*ipfr_ifp;
	i6addr_t	ipfr_source;
	i6addr_t	ipfr_dest;
	u_32_t	ipfr_optmsk;
	u_short	ipfr_secmsk;
	u_short	ipfr_auth;
	u_32_t	ipfr_id;
	u_32_t	ipfr_pass;
	int	ipfr_v;
} ipfr_t;

#define	ipfr_src	ipfr_source.in4
#define	ipfr_dst	ipfr_dest.in4


typedef	struct	ipfrstat {
	u_long	ifs_exists;	/* add & already exists */
	u_long	ifs_nomem;
	u_long	ifs_new;
	u_long	ifs_hits;
	u_long	ifs_expire;
	u_long	ifs_inuse;
	u_long	ifs_retrans0;
	u_long	ifs_short;
	u_long	ifs_bad;
	u_long	ifs_overlap;
	u_long	ifs_unordered;
	u_long	ifs_strict;
	u_long	ifs_miss;
	u_long	ifs_maximum;
	u_long	ifs_newbad;
	u_long	ifs_newrestrictnot0;
	struct	ipfr	**ifs_table;
	struct	ipfr	**ifs_nattab;
} ipfrstat_t;

#define	IPFR_CMPSZ	(offsetof(ipfr_t, ipfr_pass) - \
			 offsetof(ipfr_t, ipfr_ifp))

extern	void	*ipf_frag_soft_create(ipf_main_softc_t *);
extern	int	ipf_frag_soft_init(ipf_main_softc_t *, void *);
extern	int	ipf_frag_soft_fini(ipf_main_softc_t *, void *);
extern	void	ipf_frag_soft_destroy(ipf_main_softc_t *, void *);
extern	int	ipf_frag_main_load(void);
extern	int	ipf_frag_main_unload(void);
extern	int	ipf_frag_load(void);
extern	void	ipf_frag_clear(ipf_main_softc_t *);
extern	void	ipf_frag_expire(ipf_main_softc_t *);
extern	void	ipf_frag_forget(void *);
extern	int	ipf_frag_init(void);
extern	u_32_t	ipf_frag_ipidknown(fr_info_t *);
extern	int	ipf_frag_ipidnew(fr_info_t *, u_32_t);
extern	frentry_t *ipf_frag_known(fr_info_t *, u_32_t *);
extern	void	ipf_frag_natforget(ipf_main_softc_t *, void *);
extern	int	ipf_frag_natnew(ipf_main_softc_t *, fr_info_t *, u_32_t, struct nat *);
extern	nat_t	*ipf_frag_natknown(fr_info_t *);
extern	int	ipf_frag_new(ipf_main_softc_t *, fr_info_t *, u_32_t);
extern	ipfrstat_t	*ipf_frag_stats(void *);
extern	void	ipf_frag_setlock(void *, int);
extern	void	ipf_frag_pkt_deref(ipf_main_softc_t *, void *);
extern	int	ipf_frag_pkt_next(ipf_main_softc_t *, ipftoken_t *,
				       ipfgeniter_t *);
extern	void	ipf_frag_nat_deref(ipf_main_softc_t *, void *);
extern	int	ipf_frag_nat_next(ipf_main_softc_t *, ipftoken_t *,
				       ipfgeniter_t *);
extern	void	ipf_slowtimer(ipf_main_softc_t *);

#endif /* _NETINET_IP_FRAG_H_ */