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 67 void idpip_input(), nsip_ctlinput(); 68 #endif 69 70 #ifdef TPIP 71 void tpip_input(), tpip_ctlinput(), tp_ctloutput(); 72 int tp_init(), tp_slowtimo(), tp_drain(), tp_usrreq(); 73 #endif 74 75 #ifdef EON 76 void eoninput(), eonctlinput(), eonprotoinit(); 77 #endif /* EON */ 78 79 extern struct domain inetdomain; 80 81 struct 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 }; 141 142 struct 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 > 0 149 extern struct domain impdomain; 150 int rimp_output(), hostslowtimo(); 151 152 struct 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 }; 159 160 struct 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 */ 171 int rhy_output(); 172 extern struct domain hydomain; 173 174 struct 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 }; 181 182 struct domain hydomain = 183 { AF_HYLINK, "hy", 0, 0, 0, hysw, &hysw[sizeof (hysw)/sizeof(hysw[0])] }; 184 #endif 185 #endif 186