Ultrix-3.1/sys/net/in_proto.c

/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

/*
 * Copyright (c) 1982 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 * SCCSID: @(#)in_proto.c	3.0	4/21/86
 *	Based on: @(#)in_proto.c	6.8 (Berkeley) 6/8/85
 */

#include <sys/param.h>
#include <sys/socket.h>
#include <sys/protosw.h>
#include <sys/domain.h>
#include <sys/mbuf.h>

#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/tcp.h>		/* for #define tcp_usrreq ... */

/*
 * TCP/IP protocol family: IP, ICMP, UDP, TCP.
 */
int	ip_output();
int	ip_init(),ip_slowtimo(),ip_drain();
int	icmp_input();
int	udp_input(),udp_ctlinput();
int	udp_usrreq();
int	udp_init();
int	tcp_input(),tcp_ctlinput();
int	tcp_usrreq();
int	tcp_init(),tcp_fasttimo(),tcp_slowtimo(),tcp_drain();
int	rip_input(),rip_output();
extern	int raw_usrreq();
#ifndef	UNIX_DOMAIN
int	raw_init();
#endif	UNIX_DOMAIN
/*
 * IMP protocol family: raw interface.
 * Using the raw interface entry to get the timer routine
 * in is a kludge.
 */
#if NIMP > 0
int	rimp_output(), hostslowtimo();
#endif

#ifdef NSIP
int	idpip_input();
#endif

extern	struct domain inetdomain;

struct protosw inetsw[] = {
{ 0,		&inetdomain,	IPPROTO_IP,	0,
  0,		ip_output,	0,		0,
  0,
  ip_init,	0,		ip_slowtimo,	ip_drain,
  0,		0,		0,
},
{ SOCK_DGRAM,	&inetdomain,	IPPROTO_UDP,	PR_ATOMIC|PR_ADDR,
  udp_input,	0,		udp_ctlinput,	0,
  udp_usrreq,
  udp_init,	0,		0,		0,
  0,		0,		0,
},
{ SOCK_STREAM,	&inetdomain,	IPPROTO_TCP,	PR_CONNREQUIRED|PR_WANTRCVD,
  tcp_input,	0,		tcp_ctlinput,	0,
  tcp_usrreq,
  tcp_init,	tcp_fasttimo,	tcp_slowtimo,	tcp_drain,
  0,		0,		0,
},
{ SOCK_RAW,	&inetdomain,	IPPROTO_RAW,	PR_ATOMIC|PR_ADDR,
  rip_input,	rip_output,	0,	0,
  raw_usrreq,
#ifdef	UNIX_DOMAIN
  0,		0,		0,		0,
#else	UNIX_DOMAIN
  raw_init,	0,		0,		0,
#endif	UNIX_DOMAIN
  0,		0,		0,
},
{ SOCK_RAW,	&inetdomain,	IPPROTO_ICMP,	PR_ATOMIC|PR_ADDR,
  icmp_input,	rip_output,	0,		0,
  raw_usrreq,
  0,		0,		0,		0,
  0,		0,		0,
},
#ifdef NSIP
{ SOCK_RAW,	&inetdomain,	IPPROTO_PUP,	PR_ATOMIC|PR_ADDR,
  idpip_input,	rip_output,	0,		0,
  raw_usrreq,
  0,		0,		0,		0,
  0,		0,		0,
},
#endif
	/* raw wildcard */
{ SOCK_RAW,	&inetdomain,	0,		PR_ATOMIC|PR_ADDR,
  rip_input,	rip_output,	0,	0,
  raw_usrreq,
  0,		0,		0,		0,
  0,		0,		0,
},
};

struct domain inetdomain =
    { AF_INET, "internet", 0, 0, 0, 
      inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])] };

#if NIMP > 0
extern	struct domain impdomain;

struct protosw impsw[] = {
{ SOCK_RAW,	&impdomain,	0,		PR_ATOMIC|PR_ADDR,
  0,		rimp_output,	0,		0,
  raw_usrreq,
  0,		0,		hostslowtimo,	0,
  0,		0,		0,
},
};

struct domain impdomain =
    { AF_IMPLINK, "imp", 0, 0, 0,
      impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] };
#endif