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in_proto.c revision 1.3 
      1 /*
      2  * Copyright (c) 1982, 1986 Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	from: @(#)in_proto.c	7.5 (Berkeley) 6/28/90
     34  *	$Id: in_proto.c,v 1.3 1993/05/20 03:50:08 cgd Exp $
     35  */
     36 
     37 #include "param.h"
     38 #include "socket.h"
     39 #include "protosw.h"
     40 #include "domain.h"
     41 #include "mbuf.h"
     42 
     43 #include "in.h"
     44 #include "in_systm.h"
     45 
     46 /*
     47  * TCP/IP protocol family: IP, ICMP, UDP, TCP.
     48  */
     49 int	ip_output(),ip_ctloutput();
     50 int	ip_init(),ip_slowtimo(),ip_drain();
     51 int	icmp_input();
     52 int	udp_input(),udp_ctlinput();
     53 int	udp_usrreq();
     54 int	udp_init();
     55 int	tcp_input(),tcp_ctlinput();
     56 int	tcp_usrreq(),tcp_ctloutput();
     57 int	tcp_init(),tcp_fasttimo(),tcp_slowtimo(),tcp_drain();
     58 int	rip_input(),rip_output(),rip_ctloutput(), rip_usrreq();
     59 /*
     60  * IMP protocol family: raw interface.
     61  * Using the raw interface entry to get the timer routine
     62  * in is a kludge.
     63  */
     64 #ifdef IMP
     65 int	rimp_output(), hostslowtimo();
     66 #endif
     67 
     68 #ifdef NSIP
     69 int	idpip_input(), nsip_ctlinput();
     70 #endif
     71 
     72 #ifdef TPIP
     73 int	tpip_input(), tpip_ctlinput(), tp_ctloutput(), tp_usrreq();
     74 int	tp_init(), tp_slowtimo(), tp_drain();
     75 #endif
     76 
     77 #ifdef EON
     78 int	eoninput(), eonctlinput(), eonprotoinit();
     79 #endif EON
     80 
     81 extern	struct domain inetdomain;
     82 
     83 struct protosw inetsw[] = {
     84 { 0,		&inetdomain,	0,		0,
     85   0,		ip_output,	0,		0,
     86   0,
     87   ip_init,	0,		ip_slowtimo,	ip_drain,
     88 },
     89 { SOCK_DGRAM,	&inetdomain,	IPPROTO_UDP,	PR_ATOMIC|PR_ADDR,
     90   udp_input,	0,		udp_ctlinput,	ip_ctloutput,
     91   udp_usrreq,
     92   udp_init,	0,		0,		0,
     93 },
     94 { SOCK_STREAM,	&inetdomain,	IPPROTO_TCP,	PR_CONNREQUIRED|PR_WANTRCVD,
     95   tcp_input,	0,		tcp_ctlinput,	tcp_ctloutput,
     96   tcp_usrreq,
     97   tcp_init,	tcp_fasttimo,	tcp_slowtimo,	tcp_drain,
     98 },
     99 { SOCK_RAW,	&inetdomain,	IPPROTO_RAW,	PR_ATOMIC|PR_ADDR,
    100   rip_input,	rip_output,	0,		rip_ctloutput,
    101   rip_usrreq,
    102   0,		0,		0,		0,
    103 },
    104 { SOCK_RAW,	&inetdomain,	IPPROTO_ICMP,	PR_ATOMIC|PR_ADDR,
    105   icmp_input,	rip_output,	0,		rip_ctloutput,
    106   rip_usrreq,
    107   0,		0,		0,		0,
    108 },
    109 #ifdef TPIP
    110 { SOCK_SEQPACKET,&inetdomain,	IPPROTO_TP,	PR_CONNREQUIRED|PR_WANTRCVD,
    111   tpip_input,	0,		tpip_ctlinput,		tp_ctloutput,
    112   tp_usrreq,
    113   tp_init,	0,		tp_slowtimo,	tp_drain,
    114 },
    115 #endif
    116 /* EON (ISO CLNL over IP) */
    117 #ifdef EON
    118 { SOCK_RAW,	&inetdomain,	IPPROTO_EON,	0,
    119   eoninput,	0,		eonctlinput,		0,
    120   0,
    121   eonprotoinit,	0,		0,		0,
    122 },
    123 #endif
    124 #ifdef NSIP
    125 { SOCK_RAW,	&inetdomain,	IPPROTO_IDP,	PR_ATOMIC|PR_ADDR,
    126   idpip_input,	rip_output,	nsip_ctlinput,	0,
    127   rip_usrreq,
    128   0,		0,		0,		0,
    129 },
    130 #endif
    131 	/* raw wildcard */
    132 { SOCK_RAW,	&inetdomain,	0,		PR_ATOMIC|PR_ADDR,
    133   rip_input,	rip_output,	0,		rip_ctloutput,
    134   rip_usrreq,
    135   0,		0,		0,		0,
    136 },
    137 };
    138 
    139 struct domain inetdomain =
    140     { AF_INET, "internet", 0, 0, 0,
    141       inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])] };
    142 
    143 #if NIMP > 0
    144 extern	struct domain impdomain;
    145 
    146 struct protosw impsw[] = {
    147 { SOCK_RAW,	&impdomain,	0,		PR_ATOMIC|PR_ADDR,
    148   0,		rimp_output,	0,		0,
    149   rip_usrreq,
    150   0,		0,		hostslowtimo,	0,
    151 },
    152 };
    153 
    154 struct domain impdomain =
    155     { AF_IMPLINK, "imp", 0, 0, 0,
    156       impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] };
    157 #endif
    158 
    159