ip_var.h

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/*
 * Copyright (c) 1982, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
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 * modification, are permitted provided that the following conditions
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 *	@(#)ip_var.h	8.2 (Berkeley) 1/9/95
 */
/*
 * NOTICE: This file was modified by SPARTA, Inc. in 2007 to introduce
 * support for mandatory and extensible security protections.  This notice
 * is included in support of clause 2.2 (b) of the Apple Public License,
 * Version 2.0.
 */

#ifndef _NETINET_IP_VAR_H_
#define	_NETINET_IP_VAR_H_
#include <sys/appleapiopts.h>

/*
 * Overlay for ip header used by other protocols (tcp, udp).
 */
struct ipovly {
	u_char	ih_x1[9];		/* (unused) */
	u_char	ih_pr;			/* protocol */
	u_short	ih_len;			/* protocol length */
	struct	in_addr ih_src;		/* source internet address */
	struct	in_addr ih_dst;		/* destination internet address */
};

#define	MAX_IPOPTLEN	40

struct	ipstat {
	u_int32_t ips_total;		/* total packets received */
	u_int32_t ips_badsum;		/* checksum bad */
	u_int32_t ips_tooshort;		/* packet too short */
	u_int32_t ips_toosmall;		/* not enough data */
	u_int32_t ips_badhlen;		/* ip header length < data size */
	u_int32_t ips_badlen;		/* ip length < ip header length */
	u_int32_t ips_fragments;	/* fragments received */
	u_int32_t ips_fragdropped;	/* frags dropped (dups, out of space) */
	u_int32_t ips_fragtimeout;	/* fragments timed out */
	u_int32_t ips_forward;		/* packets forwarded */
	u_int32_t ips_fastforward;	/* packets fast forwarded */
	u_int32_t ips_cantforward;	/* packets rcvd for unreachable dest */
	u_int32_t ips_redirectsent;	/* packets forwarded on same net */
	u_int32_t ips_noproto;		/* unknown or unsupported protocol */
	u_int32_t ips_delivered;	/* datagrams delivered to upper level */
	u_int32_t ips_localout;		/* total ip packets generated here */
	u_int32_t ips_odropped;		/* lost packets due to nobufs, etc. */
	u_int32_t ips_reassembled;	/* total packets reassembled ok */
	u_int32_t ips_fragmented;	/* datagrams successfully fragmented */
	u_int32_t ips_ofragments;	/* output fragments created */
	u_int32_t ips_cantfrag;		/* don't fragment flag was set, etc. */
	u_int32_t ips_badoptions;	/* error in option processing */
	u_int32_t ips_noroute;		/* packets discarded due to no route */
	u_int32_t ips_badvers;		/* ip version != 4 */
	u_int32_t ips_rawout;		/* total raw ip packets generated */
	u_int32_t ips_toolong;		/* ip length > max ip packet size */
	u_int32_t ips_notmember;	/* multicasts for unregistered grps */
	u_int32_t ips_nogif;		/* no match gif found */
	u_int32_t ips_badaddr;		/* invalid address on header */
	u_int32_t ips_pktdropcntrl;	/* pkt dropped, no mbufs for ctl data */
	u_int32_t ips_rcv_swcsum;	/* ip hdr swcksum (inbound), packets */
	u_int32_t ips_rcv_swcsum_bytes;	/* ip hdr swcksum (inbound), bytes */
	u_int32_t ips_snd_swcsum;	/* ip hdr swcksum (outbound), packets */
	u_int32_t ips_snd_swcsum_bytes;	/* ip hdr swcksum (outbound), bytes */
	u_int32_t ips_adj;		/* total packets trimmed/adjusted */
	u_int32_t ips_adj_hwcsum_clr;	/* hwcksum discarded during adj */
	u_int32_t ips_rxc_collisions;	/* rx chaining collisions */
	u_int32_t ips_rxc_chained;	/* rx chains */
	u_int32_t ips_rxc_notchain;	/* rx bypassed chaining */
	u_int32_t ips_rxc_chainsz_gt2;	/* rx chain size greater than 2 */
	u_int32_t ips_rxc_chainsz_gt4;  /* rx chain size greater than 4 */
	u_int32_t ips_rxc_notlist;	/* count of pkts through ip_input */
	u_int32_t ips_raw_sappend_fail;	/* sock append failed */
	u_int32_t ips_necp_policy_drop; /* NECP policy related drop */
};

struct ip_linklocal_stat {
	u_int32_t	iplls_in_total;
	u_int32_t	iplls_in_badttl;
	u_int32_t	iplls_out_total;
	u_int32_t	iplls_out_badttl;
};


#endif /* !_NETINET_IP_VAR_H_ */