in_proto.c revision 1549
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 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93 34 */ 35 36#include <sys/param.h> 37#include <sys/socket.h> 38#include <sys/protosw.h> 39#include <sys/domain.h> 40#include <sys/mbuf.h> 41 42#include <net/if.h> 43#include <net/radix.h> 44#include <net/route.h> 45 46#include <netinet/in.h> 47#include <netinet/in_systm.h> 48#include <netinet/ip.h> 49#include <netinet/ip_var.h> 50#include <netinet/ip_icmp.h> 51#include <netinet/in_pcb.h> 52#include <netinet/igmp_var.h> 53#include <netinet/tcp.h> 54#include <netinet/tcp_fsm.h> 55#include <netinet/tcp_seq.h> 56#include <netinet/tcp_timer.h> 57#include <netinet/tcp_var.h> 58#include <netinet/tcpip.h> 59#include <netinet/tcp_debug.h> 60#include <netinet/udp.h> 61#include <netinet/udp_var.h> 62/* 63 * TCP/IP protocol family: IP, ICMP, UDP, TCP. 64 */ 65 66#ifdef NSIP 67void idpip_input(), nsip_ctlinput(); 68#endif 69 70#ifdef TPIP 71void tpip_input(), tpip_ctlinput(), tp_ctloutput(); 72int tp_init(), tp_slowtimo(), tp_drain(), tp_usrreq(); 73#endif 74 75#ifdef EON 76void eoninput(), eonctlinput(), eonprotoinit(); 77#endif /* EON */ 78 79extern struct domain inetdomain; 80 81struct protosw inetsw[] = { 82{ 0, &inetdomain, 0, 0, 83 0, ip_output, 0, 0, 84 0, 85 ip_init, 0, ip_slowtimo, ip_drain, ip_sysctl 86}, 87{ SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, 88 udp_input, 0, udp_ctlinput, ip_ctloutput, 89 udp_usrreq, 90 udp_init, 0, 0, 0, udp_sysctl 91}, 92{ SOCK_STREAM, &inetdomain, IPPROTO_TCP, PR_CONNREQUIRED|PR_WANTRCVD, 93 tcp_input, 0, tcp_ctlinput, tcp_ctloutput, 94 tcp_usrreq, 95 tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, 96}, 97{ SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, 98 rip_input, rip_output, 0, rip_ctloutput, 99 rip_usrreq, 100 0, 0, 0, 0, 101}, 102{ SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR, 103 icmp_input, rip_output, 0, rip_ctloutput, 104 rip_usrreq, 105 0, 0, 0, 0, icmp_sysctl 106}, 107{ SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR, 108 igmp_input, rip_output, 0, rip_ctloutput, 109 rip_usrreq, 110 igmp_init, igmp_fasttimo, 0, 0, 111}, 112#ifdef TPIP 113{ SOCK_SEQPACKET,&inetdomain, IPPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD, 114 tpip_input, 0, tpip_ctlinput, tp_ctloutput, 115 tp_usrreq, 116 tp_init, 0, tp_slowtimo, tp_drain, 117}, 118#endif 119/* EON (ISO CLNL over IP) */ 120#ifdef EON 121{ SOCK_RAW, &inetdomain, IPPROTO_EON, 0, 122 eoninput, 0, eonctlinput, 0, 123 0, 124 eonprotoinit, 0, 0, 0, 125}, 126#endif 127#ifdef NSIP 128{ SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR, 129 idpip_input, rip_output, nsip_ctlinput, 0, 130 rip_usrreq, 131 0, 0, 0, 0, 132}, 133#endif 134 /* raw wildcard */ 135{ SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR, 136 rip_input, rip_output, 0, rip_ctloutput, 137 rip_usrreq, 138 rip_init, 0, 0, 0, 139}, 140}; 141 142struct domain inetdomain = 143 { AF_INET, "internet", 0, 0, 0, 144 inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0, 145 rn_inithead, 32, sizeof(struct sockaddr_in) }; 146 147#include "imp.h" 148#if NIMP > 0 149extern struct domain impdomain; 150int rimp_output(), hostslowtimo(); 151 152struct protosw impsw[] = { 153{ SOCK_RAW, &impdomain, 0, PR_ATOMIC|PR_ADDR, 154 0, rimp_output, 0, 0, 155 rip_usrreq, 156 0, 0, hostslowtimo, 0, 157}, 158}; 159 160struct domain impdomain = 161 { AF_IMPLINK, "imp", 0, 0, 0, 162 impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] }; 163#endif 164 165#if 0 166#include "hy.h" 167#if NHY > 0 168/* 169 * HYPERchannel protocol family: raw interface. 170 */ 171int rhy_output(); 172extern struct domain hydomain; 173 174struct protosw hysw[] = { 175{ SOCK_RAW, &hydomain, 0, PR_ATOMIC|PR_ADDR, 176 0, rhy_output, 0, 0, 177 rip_usrreq, 178 0, 0, 0, 0, 179}, 180}; 181 182struct domain hydomain = 183 { AF_HYLINK, "hy", 0, 0, 0, hysw, &hysw[sizeof (hysw)/sizeof(hysw[0])] }; 184#endif 185#endif 186