genericopenlibs/cstdlib/LINCINET/IP.H
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cstdlib/LINCINET/IP.H	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,170 @@
+/* IP.H
+ * 
+ * Portions Copyright (c) 1997-1999 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ */
+
+/** @file
+@publishedAll
+@released
+*/
+
+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of California at Berkeley. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+
+/*
+ * Definitions for internet protocol version 4.
+ * Per RFC 791, September 1981.
+ */
+
+#ifndef	_NETINET_IP_H
+#define	_NETINET_IP_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	IPVERSION	4
+
+/**
+Structure of an internet header, naked of options.
+
+We declare ip_len and ip_off to be short, rather than u_short
+pragmatically since otherwise unsigned comparisons can result
+against negative integers quite easily, and fail in subtle ways.
+*/
+struct ip {
+#ifdef _BIT_FIELDS_LTOH
+	u_char	ip_hl:4,		/* header length */
+		ip_v:4;			/* version */
+#else
+	u_char	ip_v:4,			/* version */
+		ip_hl:4;		/* header length */
+#endif
+	u_char	ip_tos;			/* type of service */
+	short	ip_len;			/* total length */
+	u_short	ip_id;			/* identification */
+	short	ip_off;			/* fragment offset field */
+#define	IP_DF 0x4000			/* dont fragment flag */
+#define	IP_MF 0x2000			/* more fragments flag */
+	u_char	ip_ttl;			/* time to live */
+	u_char	ip_p;			/* protocol */
+	u_short	ip_sum;			/* checksum */
+	struct	in_addr ip_src, ip_dst;	/* source and dest address */
+};
+
+#define	IP_MAXPACKET	65535		/* maximum packet size */
+
+/**
+Definitions for IP type of service (ip_tos)
+*/
+#define	IPTOS_LOWDELAY		0x10
+#define	IPTOS_THROUGHPUT	0x08
+#define	IPTOS_RELIABILITY	0x04
+
+/**
+Definitions for IP precedence (also in ip_tos) (hopefully unused)
+*/
+#define	IPTOS_PREC_NETCONTROL		0xe0
+#define	IPTOS_PREC_INTERNETCONTROL	0xc0
+#define	IPTOS_PREC_CRITIC_ECP		0xa0
+#define	IPTOS_PREC_FLASHOVERRIDE	0x80
+#define	IPTOS_PREC_FLASH		0x60
+#define	IPTOS_PREC_IMMEDIATE		0x40
+#define	IPTOS_PREC_PRIORITY		0x20
+#define	IPTOS_PREC_ROUTINE		0x00
+
+/**
+Definitions for options.
+*/
+#define	IPOPT_COPIED(o)		((o)&0x80)
+#define	IPOPT_CLASS(o)		((o)&0x60)
+#define	IPOPT_NUMBER(o)		((o)&0x1f)
+
+#define	IPOPT_CONTROL		0x00
+#define	IPOPT_RESERVED1		0x20
+#define	IPOPT_DEBMEAS		0x40
+#define	IPOPT_RESERVED2		0x60
+
+#define	IPOPT_EOL		0		/* end of option list */
+#define	IPOPT_NOP		1		/* no operation */
+
+#define	IPOPT_RR		7		/* record packet route */
+#define	IPOPT_TS		68		/* timestamp */
+#define	IPOPT_SECURITY		130		/* provide s,c,h,tcc */
+#define	IPOPT_LSRR		131		/* loose source route */
+#define	IPOPT_SATID		136		/* satnet id */
+#define	IPOPT_SSRR		137		/* strict source route */
+
+/**
+Offsets to fields in options other than EOL and NOP.
+*/
+#define	IPOPT_OPTVAL		0		/* option ID */
+#define	IPOPT_OLEN		1		/* option length */
+#define	IPOPT_OFFSET		2		/* offset within option */
+#define	IPOPT_MINOFF		4		/* min value of above */
+
+/**
+Time stamp option structure.
+*/
+struct	ip_timestamp {
+	u_char	ipt_code;		/* IPOPT_TS */
+	u_char	ipt_len;		/* size of structure (variable) */
+	u_char	ipt_ptr;		/* index of current entry */
+#ifdef _BIT_FIELDS_LTOH
+	u_char	ipt_flg:4,		/* flags, see below */
+		ipt_oflw:4;		/* overflow counter */
+#else
+	u_char	ipt_oflw:4,		/* overflow counter */
+		ipt_flg:4;		/* flags, see below */
+#endif
+	union ipt_timestamp {
+		n_long	ipt_time[1];
+		struct	ipt_ta {
+			struct in_addr ipt_addr;
+			n_long ipt_time;
+		} ipt_ta[1];
+	} ipt_timestamp;
+};
+
+/**
+flag bits for ipt_flg 
+*/
+#define	IPOPT_TS_TSONLY		0		/* timestamps only */
+#define	IPOPT_TS_TSANDADDR	1		/* timestamps and addresses */
+#define	IPOPT_TS_PRESPEC	2		/* specified modules only */
+
+/** 
+bits for security (not byte swapped) 
+*/
+#define	IPOPT_SECUR_UNCLASS	0x0000
+#define	IPOPT_SECUR_CONFID	0xf135
+#define	IPOPT_SECUR_EFTO	0x789a
+#define	IPOPT_SECUR_MMMM	0xbc4d
+#define	IPOPT_SECUR_RESTR	0xaf13
+#define	IPOPT_SECUR_SECRET	0xd788
+#define	IPOPT_SECUR_TOPSECRET	0x6bc5
+
+/**
+Internet implementation parameters.
+*/
+#define	MAXTTL		255		/* maximum time to live (seconds) */
+#define	IPFRAGTTL	60		/* time to live for frags, slowhz */
+#define	IPTTLDEC	1		/* subtracted when forwarding */
+
+#define	IP_MSS		576		/* default maximum segment size */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _NETINET_IP_H */