williamr@2: /* IN.H
williamr@2:  * 
williamr@4:  * Portions Copyright (c) 1997-2006 Nokia Corporation and/or its subsidiary(-ies).
williamr@4:  * All rights reserved.
williamr@2:  */
williamr@2: 
williamr@2: /** @file
williamr@4: @PublishedAll
williamr@2: */
williamr@2: 
williamr@2: /*
williamr@2:  * Copyright (c) 1982, 1986 Regents of the University of California.
williamr@2:  * All rights reserved.
williamr@2:  *
williamr@2:  * Redistribution and use in source and binary forms are permitted
williamr@2:  * provided that this notice is preserved and that due credit is given
williamr@2:  * to the University of California at Berkeley. The name of the University
williamr@2:  * may not be used to endorse or promote products derived from this
williamr@2:  * software without specific prior written permission. This software
williamr@2:  * is provided ``as is'' without express or implied warranty.
williamr@2:  */
williamr@2: 
williamr@2: /*
williamr@2:  * Constants and structures defined by the internet system,
williamr@2:  * Per RFC 790, September 1981.
williamr@2:  */
williamr@2: 
williamr@2: #ifndef _NETINET_IN_H
williamr@2: #define	_NETINET_IN_H
williamr@2: 
williamr@2: #ifdef	__cplusplus
williamr@2: extern "C" {
williamr@2: #endif
williamr@2: #include <_ansi.h>
williamr@2: 
williamr@2: /**
williamr@2: Protocols
williamr@2: */
williamr@2: #define	IPPROTO_IP		0x100		/* dummy for IP */
williamr@2: #define	IPPROTO_ICMP		1		/* control message protocol */
williamr@2: #define	IPPROTO_IGMP		2		/* group control protocol */
williamr@2: #define	IPPROTO_GGP		3		/* gateway^2 (deprecated) */
williamr@2: #define	IPPROTO_ENCAP		4		/* IP in IP encapsulation */
williamr@2: #define	IPPROTO_TCP		6		/* tcp */
williamr@2: #define	IPPROTO_EGP		8		/* exterior gateway protocol */
williamr@2: #define	IPPROTO_PUP		12		/* pup */
williamr@2: #define	IPPROTO_UDP		17		/* user datagram protocol */
williamr@2: #define	IPPROTO_IDP		22		/* xns idp */
williamr@2: #define	IPPROTO_HELLO		63		/* "hello" routing protocol */
williamr@2: #define	IPPROTO_ND		77		/* UNOFFICIAL net disk proto */
williamr@2: #define	IPPROTO_EON		80		/* ISO clnp */
williamr@2: #define	IPPROTO_RAW		255		/* raw IP packet */
williamr@2: #define	IPPROTO_MAX		0x101
williamr@2: 
williamr@2: /**
williamr@2: Port/socket numbers: network standard functions
williamr@2: */
williamr@2: #define	IPPORT_ECHO		7
williamr@2: #define	IPPORT_DISCARD		9
williamr@2: #define	IPPORT_SYSTAT		11
williamr@2: #define	IPPORT_DAYTIME		13
williamr@2: #define	IPPORT_NETSTAT		15
williamr@2: #define	IPPORT_FTP		21
williamr@2: #define	IPPORT_TELNET		23
williamr@2: #define	IPPORT_SMTP		25
williamr@2: #define	IPPORT_TIMESERVER	37
williamr@2: #define	IPPORT_NAMESERVER	42
williamr@2: #define	IPPORT_WHOIS		43
williamr@2: #define	IPPORT_MTP		57
williamr@2: 
williamr@2: /**
williamr@2: Port/socket numbers: host specific functions
williamr@2: */
williamr@2: #define	IPPORT_TFTP		69
williamr@2: #define	IPPORT_RJE		77
williamr@2: #define	IPPORT_FINGER		79
williamr@2: #define	IPPORT_TTYLINK		87
williamr@2: #define	IPPORT_SUPDUP		95
williamr@2: 
williamr@2: /**
williamr@2: UNIX TCP sockets
williamr@2: */
williamr@2: #define	IPPORT_EXECSERVER	512
williamr@2: #define	IPPORT_LOGINSERVER	513
williamr@2: #define	IPPORT_CMDSERVER	514
williamr@2: #define	IPPORT_EFSSERVER	520
williamr@2: 
williamr@2: /**
williamr@2: UNIX UDP sockets
williamr@2: */
williamr@2: #define	IPPORT_BIFFUDP		512
williamr@2: #define	IPPORT_WHOSERVER	513
williamr@2: #define	IPPORT_ROUTESERVER	520	/* 520+1 also used */
williamr@2: 
williamr@2: /**
williamr@2: Ports < IPPORT_RESERVED are reserved for
williamr@2: privileged processes (e.g. root).
williamr@2: Ports > IPPORT_USERRESERVED are reserved
williamr@2: for servers, not necessarily privileged.
williamr@2: */
williamr@2: #define	IPPORT_RESERVED		1024
williamr@2: #define	IPPORT_USERRESERVED	5000
williamr@2: 
williamr@2: /**
williamr@2: Link numbers
williamr@2: */
williamr@2: #define	IMPLINK_IP		155
williamr@2: #define	IMPLINK_LOWEXPER	156
williamr@2: #define	IMPLINK_HIGHEXPER	158
williamr@2: 
williamr@2: /**
williamr@2: Internet address
williamr@2: This definition contains obsolete fields for compatibility
williamr@2: with SunOS 3.x and 4.2bsd.  The presence of subnets renders
williamr@2: divisions into fixed fields misleading at best.	 New code
williamr@2: should use only the s_addr field.
williamr@2: @publishedAll
williamr@2: @released
williamr@2:  */
williamr@2: struct in_addr {
williamr@2: 	union {
williamr@2: 		struct { u_char s_b1, s_b2, s_b3, s_b4; } S_un_b;
williamr@2: 		struct { u_short s_w1, s_w2; } S_un_w;
williamr@2: 		u_long S_addr;
williamr@2: 	} S_un;
williamr@2: /**
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: #define	s_addr	S_un.S_addr		/* should be used for all code */
williamr@2: /**
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: #define	s_host	S_un.S_un_b.s_b2	/* OBSOLETE: host on imp */
williamr@2: /**
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: #define	s_net	S_un.S_un_b.s_b1	/* OBSOLETE: network */
williamr@2: /**
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: #define	s_imp	S_un.S_un_w.s_w2	/* OBSOLETE: imp */
williamr@2: /**
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: #define	s_impno	S_un.S_un_b.s_b4	/* OBSOLETE: imp # */
williamr@2: /**
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: #define	s_lh	S_un.S_un_b.s_b3	/* OBSOLETE: logical host */
williamr@2: };
williamr@2: 
williamr@2: /**
williamr@2: Definitions of bits in internet address integers.
williamr@2: On subnets, the decomposition of addresses to host and net parts
williamr@2: is done according to subnet mask, not the masks here.
williamr@2: */
williamr@2: #define	IN_CLASSA(i)		(((long)(i) & 0x80000000) == 0)
williamr@2: #define	IN_CLASSA_NET		0xff000000
williamr@2: #define	IN_CLASSA_NSHIFT	24
williamr@2: #define	IN_CLASSA_HOST		0x00ffffff
williamr@2: #define	IN_CLASSA_MAX		128
williamr@2: 
williamr@2: #define	IN_CLASSB(i)		(((long)(i) & 0xc0000000) == 0x80000000)
williamr@2: #define	IN_CLASSB_NET		0xffff0000
williamr@2: #define	IN_CLASSB_NSHIFT	16
williamr@2: #define	IN_CLASSB_HOST		0x0000ffff
williamr@2: #define	IN_CLASSB_MAX		65536
williamr@2: 
williamr@2: #define	IN_CLASSC(i)		(((long)(i) & 0xe0000000) == 0xc0000000)
williamr@2: #define	IN_CLASSC_NET		0xffffff00
williamr@2: #define	IN_CLASSC_NSHIFT	8
williamr@2: #define	IN_CLASSC_HOST		0x000000ff
williamr@2: #define	IN_CLASSC_MAX		16777216L
williamr@2: 
williamr@2: #define	IN_CLASSD(i)		(((long)(i) & 0xf0000000) == 0xe0000000)
williamr@2: #define	IN_CLASSD_NET		0xf0000000	/* These ones aren't really */
williamr@2: #define	IN_CLASSD_NSHIFT	28		/* net and host fields, but */
williamr@2: #define	IN_CLASSD_HOST		0x0fffffff	/* routing needn't know.    */
williamr@2: #define	IN_MULTICAST(i)		IN_CLASSD(i)
williamr@2: 
williamr@2: #define	IN_EXPERIMENTAL(i)	(((long)(i) & 0xe0000000) == 0xe0000000)
williamr@2: #define	IN_BADCLASS(i)		(((long)(i) & 0xf0000000) == 0xf0000000)
williamr@2: 
williamr@2: #define	INADDR_ANY			(u_long)0x00000000
williamr@2: #define	INADDR_LOOPBACK		(u_long)0x7F000001
williamr@2: #define	INADDR_BROADCAST	(u_long)0xffffffff	/* must be masked */
williamr@2: 
williamr@2: #define	INADDR_UNSPEC_GROUP		(u_long)0xe0000000	/* 224.0.0.0   */
williamr@2: #define	INADDR_ALLHOSTS_GROUP	(u_long)0xe0000001	/* 224.0.0.1   */
williamr@2: #define	INADDR_MAX_LOCAL_GROUP	(u_long)0xe00000ff	/* 224.0.0.255 */
williamr@2: 
williamr@2: #define INADDR_NONE			INADDR_BROADCAST	/* traditional, but misleading */
williamr@2: 
williamr@2: #define	IN_LOOPBACKNET		127			/* official! */
williamr@2: 
williamr@2: /**
williamr@2: Define a macro to stuff the loopback address into an Internet address
williamr@2: 0x0100007F is htonl(INADDR_LOOPBACK) without the overhead of a function call.
williamr@2: */
williamr@2: #define	IN_SET_LOOPBACK_ADDR(a) \
williamr@2: 	{ (a)->sin_addr.s_addr  = 0x0100007F; (a)->sin_family = AF_INET; }
williamr@2: 
williamr@2: /**
williamr@2: Socket address, internet style.
williamr@2: */
williamr@2: struct sockaddr_in {
williamr@2: 	u_short	sin_family;
williamr@2: 	u_short	sin_port;
williamr@2: 	struct	in_addr sin_addr;
williamr@2: 	char	sin_zero[20];
williamr@2: };
williamr@2: 
williamr@2: /**
williamr@2: * Options for use with [gs]etsockopt at the IP level.
williamr@2: * NB. The negative option values below are not supported and must not
williamr@2: * be used in calls to the [gs]etsockopt() API as they will be ignored
williamr@2: * or cause an error.
williamr@2: */
williamr@2: #define SOL_IP		0x100	/* options for IP level */
williamr@2: 
williamr@2: #define	IP_OPTIONS	0x306	/* set/get IP per-packet options   */
williamr@2: #define	IP_HDRINCL	0x308	/* int; header is included with data (raw) */
williamr@2: #define	IP_TOS		0x309	/* int; IP type of service and precedence */
williamr@2: #define	IP_TTL		0x310	/* int; IP time to live */
williamr@2: #define	IP_RECVOPTS	-1	/* bool; receive all IP options w/datagram */
williamr@2: #define	IP_RECVRETOPTS	-2	/* bool; receive IP options for response */
williamr@2: #define	IP_RECVDSTADDR	-3	/* bool; receive IP dst addr w/datagram */
williamr@2: #define	IP_RETOPTS	-4	/* ip_opts; set/get IP per-packet options */
williamr@2: #define	IP_MULTICAST_IF		-5	/* set/get IP multicast interface  */
williamr@2: #define	IP_MULTICAST_TTL	-6	/* set/get IP multicast timetolive */
williamr@2: #define	IP_MULTICAST_LOOP	-7	/* set/get IP multicast loopback   */
williamr@2: #define	IP_ADD_MEMBERSHIP	-8	/* add	an IP group membership	   */
williamr@2: #define	IP_DROP_MEMBERSHIP	-9	/* drop an IP group membership	   */
williamr@2: 
williamr@2: #define	IP_DEFAULT_MULTICAST_TTL  1	/* normally limit m'casts to 1 hop */
williamr@2: #define	IP_DEFAULT_MULTICAST_LOOP 1	/* normally hear sends if a member */
williamr@2: 
williamr@2: /**
williamr@2: Options for use with [gs]etsockopt at the TCP level.
williamr@2: */
williamr@2: #define SOL_TCP		0x106		/* options for TCP level */
williamr@2: 
williamr@2: #define	TCP_SENDWINDOW	0x301		/* int: send window size in bytes */
williamr@2: #define	TCP_RECVWINDOW	0x302		/* int: recv window size in bytes */
williamr@2: #define	TCP_NODELAY	0x304		/* disable Nagle's algorithm */
williamr@2: #define	TCP_KEEPALIVE	0x305		/* keep connections alive */
williamr@2: 
williamr@2: /**
williamr@2: Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: struct ip_mreq {
williamr@2: 	struct in_addr	imr_multiaddr;	/* IP multicast address of group */
williamr@2: 	struct in_addr	imr_interface;	/* local IP address of interface */
williamr@2: };
williamr@2: 
williamr@2: /* 
williamr@2: EPOC32 is little-endian
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: IMPORT_C unsigned short htons(unsigned short hs);
williamr@2: /**
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: IMPORT_C unsigned long  htonl(unsigned long hl);
williamr@2: 
williamr@2: 
williamr@2: #define ntohl	htonl
williamr@2: #define ntohs	htons
williamr@2: 
williamr@2: #ifdef	__cplusplus
williamr@2: }
williamr@2: #endif
williamr@2: 
williamr@2: #endif	/* _NETINET_IN_H */