/*
 * snmp_vars.linux.h - kludge header file for Linux build of snmp_vars.c
 *
 *
 */
/***********************************************************
	Copyright 1988, 1989, 1990 by Carnegie Mellon University
	Copyright 1989	TGV, Incorporated

		      All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of CMU and TGV not be used
in advertising or publicity pertaining to distribution of the software
without specific, written prior permission.

CMU AND TGV DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
EVENT SHALL CMU OR TGV BE LIABLE FOR ANY SPECIAL, INDIRECT OR
CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
******************************************************************/

/*
 * additions, fixes and enhancements for Linux by Erik Schoenfelder
 * (schoenfr@ibr.cs.tu-bs.de) 1994/1995.
 * Ported to UCD by Jennifer Bray of Origin (jbray@origin-at.co.uk) 1997
 */

#ifdef linux
# include <time.h>
# include <linux/tasks.h>
# include <utmp.h>
# include <dirent.h>
# include <sys/stat.h>
# include <sys/vfs.h>
# include <unistd.h>
# include <ctype.h>
# include <stdlib.h>
# include <pwd.h>
# include <sys/time.h>

/*
 * this struct ifnet is cloned from the generic type and somewhat modified.
 * it will not work for other un*x'es...
 */

struct ifnet {
	char	*if_name;		/* name, e.g. ``en'' or ``lo'' */
	short	if_unit;		/* sub-unit for lower level driver */
	short	if_mtu;			/* maximum transmission unit */
	short	if_flags;		/* up/down, broadcast, etc. */
	int	if_metric;		/* routing metric (external only) */
	char    if_hwaddr [6];		/* ethernet address */
	int	if_type;		/* interface type: 1=generic,
					   28=slip, ether=6, loopback=24 */
	int	if_speed;		/* interface speed: in bits/sec */

	struct sockaddr if_addr;	/* interface's address */
	struct sockaddr ifu_broadaddr;	/* broadcast address */
	struct sockaddr ia_subnetmask; 	/* interface's mask */

	struct	ifqueue {
		int	ifq_len;
		int	ifq_drops;
	} if_snd;			/* output queue */
	int	if_ipackets;		/* packets received on interface */
	int	if_ierrors;		/* input errors on interface */
	int	if_opackets;		/* packets sent on interface */
	int	if_oerrors;		/* output errors on interface */
	int	if_collisions;		/* collisions on csma interfaces */
/* end statistics */
	struct	ifnet *if_next;
};


/*
 * arp struct to pass flags, hw-addr and ip-addr in bsd manner:
 */
struct arptab {
  int at_flags;
  char at_enaddr [6];
  struct in_addr at_iaddr;
};

/* in case its missing: */
#ifndef ATF_PERM
# define ATF_PERM	0x04
#endif /*  ATF_PERM */
#ifndef ATF_COM
# define ATF_COM	0x02
#endif /*  ATF_COM */

/*
 * networking statistics:
 */

/*
 * (the structs are from /usr/src/linux/net/inet/snmp.h)
 */

struct ip_mib
{
 	unsigned long	IpForwarding;
 	unsigned long	IpDefaultTTL;
 	unsigned long	IpInReceives;
 	unsigned long	IpInHdrErrors;
 	unsigned long	IpInAddrErrors;
 	unsigned long	IpForwDatagrams;
 	unsigned long	IpInUnknownProtos;
 	unsigned long	IpInDiscards;
 	unsigned long	IpInDelivers;
 	unsigned long	IpOutRequests;
 	unsigned long	IpOutDiscards;
 	unsigned long	IpOutNoRoutes;
 	unsigned long	IpReasmTimeout;
 	unsigned long	IpReasmReqds;
 	unsigned long	IpReasmOKs;
 	unsigned long	IpReasmFails;
 	unsigned long	IpFragOKs;
 	unsigned long	IpFragFails;
 	unsigned long	IpFragCreates;
};

struct icmp_mib
{
 	unsigned long	IcmpInMsgs;
 	unsigned long	IcmpInErrors;
  	unsigned long	IcmpInDestUnreachs;
 	unsigned long	IcmpInTimeExcds;
 	unsigned long	IcmpInParmProbs;
 	unsigned long	IcmpInSrcQuenchs;
 	unsigned long	IcmpInRedirects;
 	unsigned long	IcmpInEchos;
 	unsigned long	IcmpInEchoReps;
 	unsigned long	IcmpInTimestamps;
 	unsigned long	IcmpInTimestampReps;
 	unsigned long	IcmpInAddrMasks;
 	unsigned long	IcmpInAddrMaskReps;
 	unsigned long	IcmpOutMsgs;
 	unsigned long	IcmpOutErrors;
 	unsigned long	IcmpOutDestUnreachs;
 	unsigned long	IcmpOutTimeExcds;
 	unsigned long	IcmpOutParmProbs;
 	unsigned long	IcmpOutSrcQuenchs;
 	unsigned long	IcmpOutRedirects;
 	unsigned long	IcmpOutEchos;
 	unsigned long	IcmpOutEchoReps;
 	unsigned long	IcmpOutTimestamps;
 	unsigned long	IcmpOutTimestampReps;
 	unsigned long	IcmpOutAddrMasks;
 	unsigned long	IcmpOutAddrMaskReps;
};

struct tcp_mib
{
 	unsigned long	TcpRtoAlgorithm;
 	unsigned long	TcpRtoMin;
 	unsigned long	TcpRtoMax;
 	unsigned long	TcpMaxConn;
 	unsigned long	TcpActiveOpens;
 	unsigned long	TcpPassiveOpens;
 	unsigned long	TcpAttemptFails;
 	unsigned long	TcpEstabResets;
 	unsigned long	TcpCurrEstab;
 	unsigned long	TcpInSegs;
 	unsigned long	TcpOutSegs;
 	unsigned long	TcpRetransSegs;
};

struct udp_mib
{
 	unsigned long	UdpInDatagrams;
 	unsigned long	UdpNoPorts;
 	unsigned long	UdpInErrors;
 	unsigned long	UdpOutDatagrams;
};


/* ugly mapping of `struct tcpstat' -> `struct tcp_mib' (but what the heck): */
#define tcpstat tcp_mib
#define tcps_connattempt TcpActiveOpens
#define tcps_accepts TcpPassiveOpens
#define tcps_conndrops TcpAttemptFails
#define tcps_drops TcpEstabResets
#define tcps_rcvtotal TcpInSegs
#define tcps_sndtotal TcpOutSegs
#define tcps_sndrexmitpack TcpRetransSegs


struct inpcb {
        struct  inpcb *inp_next;        /* pointers to other pcb's */
        struct  in_addr inp_faddr;      /* foreign host table entry */
        u_short inp_fport;              /* foreign port */
        struct  in_addr inp_laddr;      /* local host table entry */
        u_short inp_lport;              /* local port */
	int     inp_state;
	int     uid;			/* owner of the connection */
};
struct arpcom {
  char ac_enaddr [6];
};
#endif /* linux */