[unix-history] / usr / src / sys / netinet / in.h

/*	in.h	4.16	82/10/20	*/

/*
 * Constants and structures defined by the internet system,
 * Per RFC 790, September 1981.
 */

/*
 * Protocols
 */
#define	IPPROTO_ICMP		1		/* control message protocol */
#define	IPPROTO_GGP		2		/* gateway^2 (deprecated) */
#define	IPPROTO_TCP		6		/* tcp */
#define	IPPROTO_PUP		12		/* pup */
#define	IPPROTO_UDP		17		/* user datagram protocol */

#define	IPPROTO_RAW		255		/* raw IP packet */
#define	IPPROTO_MAX		256

/*
 * Port/socket numbers: network standard functions
 */
#define	IPPORT_ECHO		7
#define	IPPORT_DISCARD		9
#define	IPPORT_SYSTAT		11
#define	IPPORT_DAYTIME		13
#define	IPPORT_NETSTAT		15
#define	IPPORT_FTP		21
#define	IPPORT_TELNET		23
#define	IPPORT_SMTP		25
#define	IPPORT_TIMESERVER	37
#define	IPPORT_NAMESERVER	42
#define	IPPORT_WHOIS		43
#define	IPPORT_MTP		57

/*
 * Port/socket numbers: host specific functions
 */
#define	IPPORT_TFTP		69
#define	IPPORT_RJE		77
#define	IPPORT_FINGER		79
#define	IPPORT_TTYLINK		87
#define	IPPORT_SUPDUP		95

/*
 * UNIX TCP sockets
 */
#define	IPPORT_EXECSERVER	512
#define	IPPORT_LOGINSERVER	513
#define	IPPORT_CMDSERVER	514
#define	IPPORT_EFSSERVER	520

/*
 * UNIX UDP sockets
 */
#define	IPPORT_BIFFUDP		512
#define	IPPORT_WHOSERVER	513
#define	IPPORT_ROUTESERVER	520	/* 520+1 also used */

/*
 * Ports < IPPORT_RESERVED are reserved for
 * privileged processes (e.g. root).
 */
#define	IPPORT_RESERVED		1024

/*
 * Link numbers
 */
#define	IMPLINK_IP		155
#define	IMPLINK_LOWEXPER	156
#define	IMPLINK_HIGHEXPER	158

/*
 * Internet address (old style... should be updated)
 */
struct in_addr {
	union {
		struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
		struct { u_short s_w1,s_w2; } S_un_w;
		u_long S_addr;
	} S_un;
#define	s_addr	S_un.S_addr	/* can be used for most tcp & ip code */
#ifdef vax
#define	s_host	S_un.S_un_b.s_b2	/* host on imp */
#define	s_net	S_un.S_un_b.s_b1	/* network */
#define	s_imp	S_un.S_un_w.s_w2	/* imp */
#define	s_impno	S_un.S_un_b.s_b4	/* imp # */
#define	s_lh	S_un.S_un_b.s_b3	/* logical host */
#endif
};

/*
 * Definitions of bits in internet address integers.
 */
#define	IN_CLASSA(i)		((((long)(i))&0x80000000)==0)
#define	IN_CLASSA_NET		0xff000000
#define	IN_CLASSA_NSHIFT	24
#define	IN_CLASSA_HOST		0x00ffffff

#define	IN_CLASSB(i)		((((long)(i))&0xc0000000)==0x80000000)
#define	IN_CLASSB_NET		0xffff0000
#define	IN_CLASSB_NSHIFT	16
#define	IN_CLASSB_HOST		0x0000ffff

#define	IN_CLASSC(i)		((((long)(i))&0xc0000000)==0xc0000000)
#define	IN_CLASSC_NET		0xffffff00
#define	IN_CLASSC_NSHIFT	8
#define	IN_CLASSC_HOST		0x000000ff

#define	INADDR_ANY	0x00000000

/*
 * Socket address, internet style.
 */
struct sockaddr_in {
	short	sin_family;
	u_short	sin_port;
	struct	in_addr sin_addr;
	char	sin_zero[8];
};
Commit	Line	Data
6e7edb25	1	/* in.h 4.16 82/10/20 */
8958351e BJ	2
	3	/*
	4	* Constants and structures defined by the internet system,
	5	* Per RFC 790, September 1981.
	6	*/
	7
	8	/*
	9	* Protocols
	10	*/
	11	#define IPPROTO_ICMP 1 /* control message protocol */
1aa87517	12	#define IPPROTO_GGP 2 /* gateway^2 (deprecated) */
8958351e BJ	13	#define IPPROTO_TCP 6 /* tcp */
	14	#define IPPROTO_PUP 12 /* pup */
	15	#define IPPROTO_UDP 17 /* user datagram protocol */
	16
13ab51b7	17	#define IPPROTO_RAW 255 /* raw IP packet */
eb44bfb2 BJ	18	#define IPPROTO_MAX 256
eb44bfb2 BJ	19
8958351e BJ	20	/*
	21	* Port/socket numbers: network standard functions
	22	*/
	23	#define IPPORT_ECHO 7
	24	#define IPPORT_DISCARD 9
	25	#define IPPORT_SYSTAT 11
	26	#define IPPORT_DAYTIME 13
	27	#define IPPORT_NETSTAT 15
	28	#define IPPORT_FTP 21
	29	#define IPPORT_TELNET 23
	30	#define IPPORT_SMTP 25
	31	#define IPPORT_TIMESERVER 37
	32	#define IPPORT_NAMESERVER 42
	33	#define IPPORT_WHOIS 43
	34	#define IPPORT_MTP 57
	35
	36	/*
	37	* Port/socket numbers: host specific functions
	38	*/
	39	#define IPPORT_TFTP 69
	40	#define IPPORT_RJE 77
	41	#define IPPORT_FINGER 79
	42	#define IPPORT_TTYLINK 87
	43	#define IPPORT_SUPDUP 95
	44
becdab37 BJ	45	/*
	46	* UNIX TCP sockets
	47	*/
	48	#define IPPORT_EXECSERVER 512
	49	#define IPPORT_LOGINSERVER 513
	50	#define IPPORT_CMDSERVER 514
40f07a3b	51	#define IPPORT_EFSSERVER 520
becdab37 BJ	52
	53	/*
	54	* UNIX UDP sockets
	55	*/
	56	#define IPPORT_BIFFUDP 512
	57	#define IPPORT_WHOSERVER 513
40f07a3b	58	#define IPPORT_ROUTESERVER 520 /* 520+1 also used */
becdab37 BJ	59
	60	/*
	61	* Ports < IPPORT_RESERVED are reserved for
	62	* privileged processes (e.g. root).
	63	*/
1aa87517 BJ	64	#define IPPORT_RESERVED 1024
1aa87517 BJ	65
8958351e BJ	66	/*
	67	* Link numbers
	68	*/
	69	#define IMPLINK_IP 155
	70	#define IMPLINK_LOWEXPER 156
	71	#define IMPLINK_HIGHEXPER 158
	72
	73	/*
	74	* Internet address (old style... should be updated)
	75	*/
2b4b57cd	76	struct in_addr {
8958351e BJ	77	union {
	78	struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
	79	struct { u_short s_w1,s_w2; } S_un_w;
1a88ef94	80	u_long S_addr;
8958351e	81	} S_un;
1a88ef94 SL	82	#define s_addr S_un.S_addr /* can be used for most tcp & ip code */
1a88ef94 SL	83	#ifdef vax
8958351e BJ	84	#define s_host S_un.S_un_b.s_b2 /* host on imp */
	85	#define s_net S_un.S_un_b.s_b1 /* network */
	86	#define s_imp S_un.S_un_w.s_w2 /* imp */
1e25d807 BJ	87	#define s_impno S_un.S_un_b.s_b4 /* imp # */
1e25d807 BJ	88	#define s_lh S_un.S_un_b.s_b3 /* logical host */
1a88ef94	89	#endif
8958351e	90	};
2b4b57cd	91
ae34128e	92	/*
a8d3bf7f	93	* Definitions of bits in internet address integers.
ae34128e	94	*/
6e7edb25	95	#define IN_CLASSA(i) ((((long)(i))&0x80000000)==0)
a8d3bf7f BJ	96	#define IN_CLASSA_NET 0xff000000
	97	#define IN_CLASSA_NSHIFT 24
	98	#define IN_CLASSA_HOST 0x00ffffff
	99
6e7edb25	100	#define IN_CLASSB(i) ((((long)(i))&0xc0000000)==0x80000000)
a8d3bf7f BJ	101	#define IN_CLASSB_NET 0xffff0000
	102	#define IN_CLASSB_NSHIFT 16
	103	#define IN_CLASSB_HOST 0x0000ffff
ae34128e	104
6e7edb25	105	#define IN_CLASSC(i) ((((long)(i))&0xc0000000)==0xc0000000)
a8d3bf7f BJ	106	#define IN_CLASSC_NET 0xffffff00
	107	#define IN_CLASSC_NSHIFT 8
	108	#define IN_CLASSC_HOST 0x000000ff
ae34128e	109
1aa87517 BJ	110	#define INADDR_ANY 0x00000000
1aa87517 BJ	111
2b4b57cd BJ	112	/*
	113	* Socket address, internet style.
	114	*/
	115	struct sockaddr_in {
	116	short sin_family;
	117	u_short sin_port;
	118	struct in_addr sin_addr;
	119	char sin_zero[8];
	120	};