Home | History | Annotate | Line # | Download | only in netinet
in_proto.c revision 1.8
      1 /*
      2  * Copyright (c) 1982, 1986, 1993
      3  *	The Regents of the University of California.  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	8.1 (Berkeley) 6/10/93
     34  *	$Id: in_proto.c,v 1.8 1994/05/13 06:06:11 mycroft Exp $
     35  */
     36 
     37 #include <sys/param.h>
     38 #include <sys/socket.h>
     39 #include <sys/protosw.h>
     40 #include <sys/domain.h>
     41 #include <sys/mbuf.h>
     42 
     43 #include <net/if.h>
     44 #include <net/radix.h>
     45 #include <net/route.h>
     46 
     47 #include <netinet/in.h>
     48 #include <netinet/in_systm.h>
     49 #include <netinet/ip.h>
     50 #include <netinet/ip_var.h>
     51 #include <netinet/ip_icmp.h>
     52 #include <netinet/in_pcb.h>
     53 #include <netinet/igmp_var.h>
     54 #include <netinet/tcp.h>
     55 #include <netinet/tcp_fsm.h>
     56 #include <netinet/tcp_seq.h>
     57 #include <netinet/tcp_timer.h>
     58 #include <netinet/tcp_var.h>
     59 #include <netinet/tcpip.h>
     60 #include <netinet/tcp_debug.h>
     61 #include <netinet/udp.h>
     62 #include <netinet/udp_var.h>
     63 /*
     64  * TCP/IP protocol family: IP, ICMP, UDP, TCP.
     65  */
     66 
     67 #ifdef NSIP
     68 void	idpip_input(), nsip_ctlinput();
     69 #endif
     70 
     71 #ifdef TPIP
     72 void	tpip_input(), tpip_ctlinput(), tp_init(), tp_slowtimo(), tp_drain();
     73 int	tp_ctloutput(), tp_usrreq();
     74 #endif
     75 
     76 #ifdef EON
     77 void	eoninput(), eonctlinput(), eonprotoinit();
     78 #endif /* EON */
     79 
     80 extern	struct domain inetdomain;
     81 
     82 struct protosw inetsw[] = {
     83 { 0,		&inetdomain,	0,		0,
     84   0,		ip_output,	0,		0,
     85   0,
     86   ip_init,	0,		ip_slowtimo,	ip_drain,	ip_sysctl
     87 },
     88 { SOCK_DGRAM,	&inetdomain,	IPPROTO_UDP,	PR_ATOMIC|PR_ADDR,
     89   udp_input,	0,		udp_ctlinput,	ip_ctloutput,
     90   udp_usrreq,
     91   udp_init,	0,		0,		0,		udp_sysctl
     92 },
     93 { SOCK_STREAM,	&inetdomain,	IPPROTO_TCP,	PR_CONNREQUIRED|PR_WANTRCVD,
     94   tcp_input,	0,		tcp_ctlinput,	tcp_ctloutput,
     95   tcp_usrreq,
     96   tcp_init,	tcp_fasttimo,	tcp_slowtimo,	tcp_drain,
     97 },
     98 { SOCK_RAW,	&inetdomain,	IPPROTO_RAW,	PR_ATOMIC|PR_ADDR,
     99   rip_input,	rip_output,	0,		rip_ctloutput,
    100   rip_usrreq,
    101   0,		0,		0,		0,
    102 },
    103 { SOCK_RAW,	&inetdomain,	IPPROTO_ICMP,	PR_ATOMIC|PR_ADDR,
    104   icmp_input,	rip_output,	0,		rip_ctloutput,
    105   rip_usrreq,
    106   0,		0,		0,		0,		icmp_sysctl
    107 },
    108 { SOCK_RAW,	&inetdomain,	IPPROTO_IGMP,	PR_ATOMIC|PR_ADDR,
    109   igmp_input,	rip_output,	0,		rip_ctloutput,
    110   rip_usrreq,
    111   igmp_init,	igmp_fasttimo,	0,		0,
    112 },
    113 #ifdef TPIP
    114 { SOCK_SEQPACKET,&inetdomain,	IPPROTO_TP,	PR_CONNREQUIRED|PR_WANTRCVD,
    115   tpip_input,	0,		tpip_ctlinput,	tp_ctloutput,
    116   tp_usrreq,
    117   tp_init,	0,		tp_slowtimo,	tp_drain,
    118 },
    119 #endif
    120 /* EON (ISO CLNL over IP) */
    121 #ifdef EON
    122 { SOCK_RAW,	&inetdomain,	IPPROTO_EON,	0,
    123   eoninput,	0,		eonctlinput,		0,
    124   0,
    125   eonprotoinit,	0,		0,		0,
    126 },
    127 #endif
    128 #ifdef NSIP
    129 { SOCK_RAW,	&inetdomain,	IPPROTO_IDP,	PR_ATOMIC|PR_ADDR,
    130   idpip_input,	rip_output,	nsip_ctlinput,	0,
    131   rip_usrreq,
    132   0,		0,		0,		0,
    133 },
    134 #endif
    135 	/* raw wildcard */
    136 { SOCK_RAW,	&inetdomain,	0,		PR_ATOMIC|PR_ADDR,
    137   rip_input,	rip_output,	0,		rip_ctloutput,
    138   rip_usrreq,
    139   rip_init,	0,		0,		0,
    140 },
    141 };
    142 
    143 struct domain inetdomain =
    144     { AF_INET, "internet", 0, 0, 0,
    145       inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0,
    146       rn_inithead, 32, sizeof(struct sockaddr_in) };
    147 
    148 #ifdef notyet /* XXXX */
    149 #include "imp.h"
    150 #if NIMP > 0
    151 extern	struct domain impdomain;
    152 int	rimp_output(), hostslowtimo();
    153 
    154 struct protosw impsw[] = {
    155 { SOCK_RAW,	&impdomain,	0,		PR_ATOMIC|PR_ADDR,
    156   0,		rimp_output,	0,		0,
    157   rip_usrreq,
    158   0,		0,		hostslowtimo,	0,
    159 },
    160 };
    161 
    162 struct domain impdomain =
    163     { AF_IMPLINK, "imp", 0, 0, 0,
    164       impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] };
    165 #endif
    166 
    167 #include "hy.h"
    168 #if NHY > 0
    169 /*
    170  * HYPERchannel protocol family: raw interface.
    171  */
    172 int	rhy_output();
    173 extern	struct domain hydomain;
    174 
    175 struct protosw hysw[] = {
    176 { SOCK_RAW,	&hydomain,	0,		PR_ATOMIC|PR_ADDR,
    177   0,		rhy_output,	0,		0,
    178   rip_usrreq,
    179   0,		0,		0,		0,
    180 },
    181 };
    182 
    183 struct domain hydomain =
    184     { AF_HYLINK, "hy", 0, 0, 0, hysw, &hysw[sizeof (hysw)/sizeof(hysw[0])] };
    185 #endif
    186 #endif
    187