in_proto.c revision 2531
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 * $Id: in_proto.c,v 1.3 1994/08/02 07:48:23 davidg 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_ctloutput(); 73 int tp_init(), tp_slowtimo(), tp_drain(), tp_usrreq(); 74 #endif 75 76 #ifdef EON 77 void eoninput(), eonctlinput(), eonprotoinit(); 78 #endif /* EON */ 79 80 #ifdef MROUTING 81 void multiencap_decap(struct mbuf *); 82 #endif 83 84 extern struct domain inetdomain; 85 86 struct protosw inetsw[] = { 87 { 0, &inetdomain, 0, 0, 88 0, ip_output, 0, 0, 89 0, 90 ip_init, 0, ip_slowtimo, ip_drain, ip_sysctl 91 }, 92 { SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, 93 udp_input, 0, udp_ctlinput, ip_ctloutput, 94 udp_usrreq, 95 udp_init, 0, 0, 0, udp_sysctl 96 }, 97 { SOCK_STREAM, &inetdomain, IPPROTO_TCP, PR_CONNREQUIRED|PR_WANTRCVD, 98 tcp_input, 0, tcp_ctlinput, tcp_ctloutput, 99 tcp_usrreq, 100 tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, 101 }, 102 { SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, 103 rip_input, rip_output, 0, rip_ctloutput, 104 rip_usrreq, 105 0, 0, 0, 0, 106 }, 107 { SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR, 108 icmp_input, rip_output, 0, rip_ctloutput, 109 rip_usrreq, 110 0, 0, 0, 0, icmp_sysctl 111 }, 112 { SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR, 113 igmp_input, rip_output, 0, rip_ctloutput, 114 rip_usrreq, 115 igmp_init, igmp_fasttimo, igmp_slowtimo, 0, 116 }, 117 { SOCK_RAW, &inetdomain, IPPROTO_RSVP, PR_ATOMIC|PR_ADDR, 118 rip_input, rip_output, 0, rip_ctloutput, 119 rip_usrreq, 120 0, 0, 0, 0, 121 }, 122#ifdef MROUTING 123 { SOCK_RAW, &inetdomain, IPPROTO_ENCAP, PR_ATOMIC|PR_ADDR, 124 multiencap_decap, rip_output, 0, rip_ctloutput, 125 rip_usrreq, 126 0, 0, 0, 0, 127 }, 128#endif /* MROUTING */ 129#ifdef TPIP 130{ SOCK_SEQPACKET,&inetdomain, IPPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD, 131 tpip_input, 0, tpip_ctlinput, tp_ctloutput, 132 tp_usrreq, 133 tp_init, 0, tp_slowtimo, tp_drain, 134}, 135#endif 136/* EON (ISO CLNL over IP) */ 137#ifdef EON 138{ SOCK_RAW, &inetdomain, IPPROTO_EON, 0, 139 eoninput, 0, eonctlinput, 0, 140 0, 141 eonprotoinit, 0, 0, 0, 142}, 143#endif 144#ifdef NSIP 145{ SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR, 146 idpip_input, rip_output, nsip_ctlinput, 0, 147 rip_usrreq, 148 0, 0, 0, 0, 149}, 150#endif 151 /* raw wildcard */ 152{ SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR, 153 rip_input, rip_output, 0, rip_ctloutput, 154 rip_usrreq, 155 rip_init, 0, 0, 0, 156}, 157}; 158 159struct domain inetdomain = 160 { AF_INET, "internet", 0, 0, 0, 161 inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0, 162 rn_inithead, 32, sizeof(struct sockaddr_in) }; 163 164#include "imp.h" 165#if NIMP > 0 166extern struct domain impdomain; 167int rimp_output(), hostslowtimo(); 168 169struct protosw impsw[] = { 170{ SOCK_RAW, &impdomain, 0, PR_ATOMIC|PR_ADDR, 171 0, rimp_output, 0, 0, 172 rip_usrreq, 173 0, 0, hostslowtimo, 0, 174}, 175}; 176 177struct domain impdomain = 178 { AF_IMPLINK, "imp", 0, 0, 0, 179 impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] }; 180#endif 181 182#if 0 183#include "hy.h" 184#if NHY > 0 185/* 186 * HYPERchannel protocol family: raw interface. 187 */ 188int rhy_output(); 189extern struct domain hydomain; 190 191struct protosw hysw[] = { 192{ SOCK_RAW, &hydomain, 0, PR_ATOMIC|PR_ADDR, 193 0, rhy_output, 0, 0, 194 rip_usrreq, 195 0, 0, 0, 0, 196}, 197}; 198 199struct domain hydomain = 200 { AF_HYLINK, "hy", 0, 0, 0, hysw, &hysw[sizeof (hysw)/sizeof(hysw[0])] }; 201#endif 202#endif 203