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 8.2 (Berkeley) 2/9/95 34 * $Id: in_proto.c,v 1.26 1996/03/11 15:13:15 davidg Exp $ 35 */ 36 37 #include <sys/param.h> 38 #include <sys/queue.h> 39 #include <sys/kernel.h> 40 #include <sys/socket.h> 41 #include <sys/socketvar.h> 42 #include <sys/domain.h> 43 #include <sys/mbuf.h> 44 #include <sys/protosw.h> 45 #include <sys/sysctl.h> 46 47 #include <net/if.h> 48 #include <net/radix.h> 49 #include <net/route.h> 50 51 #include <netinet/in.h> 52 #include <netinet/in_systm.h> 53 #include <netinet/ip.h> 54 #include <netinet/ip_var.h> 55 #include <netinet/ip_icmp.h> 56 #include <netinet/in_pcb.h> 57 #include <netinet/igmp_var.h> 58 #include <netinet/tcp.h> 59 #include <netinet/tcp_fsm.h> 60 #include <netinet/tcp_seq.h> 61 #include <netinet/tcp_timer.h> 62 #include <netinet/tcp_var.h> 63 #include <netinet/tcpip.h> 64 #ifdef TCPDEBUG 65 #include <netinet/tcp_debug.h> 66 #endif 67 #include <netinet/udp.h> 68 #include <netinet/udp_var.h> 69 /* 70 * TCP/IP protocol family: IP, ICMP, UDP, TCP. 71 */ 72 73 #ifdef IPXIP 74 #include <netipx/ipx.h> 75 #include <netipx/ipx_ip.h> 76 #endif 77 78 #ifdef NSIP 79 #include <netns/ns.h> 80 #include <netns/ns_if.h> 81 #endif 82 83 #ifdef TPIP 84 void tpip_input(), tpip_ctlinput(), tp_init(), tp_slowtimo(), tp_drain(); 85 int tp_ctloutput(), tp_usrreq(); 86 #endif 87 88 #ifdef EON 89 void eoninput(), eonctlinput(), eonprotoinit(); 90 #endif /* EON */ 91 92 extern struct domain inetdomain; 93 94 struct protosw inetsw[] = { 95 { 0, &inetdomain, 0, 0, 96 0, ip_output, 0, 0, 97 0, 98 ip_init, 0, ip_slowtimo, ip_drain 99 }, 100 { SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, 101 udp_input, 0, udp_ctlinput, ip_ctloutput, 102 udp_usrreq, 103 udp_init 104 }, 105 { SOCK_STREAM, &inetdomain, IPPROTO_TCP, 106 PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD, 107 tcp_input, 0, tcp_ctlinput, tcp_ctloutput, 108 tcp_usrreq, 109 tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain 110 }, 111 { SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, 112 rip_input, rip_output, 0, rip_ctloutput, 113 rip_usrreq, 114 0, 0, 0, 0, 115 }, 116 { SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR, 117 icmp_input, rip_output, 0, rip_ctloutput, 118 rip_usrreq 119 }, 120 { SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR, 121 igmp_input, rip_output, 0, rip_ctloutput, 122 rip_usrreq, 123 igmp_init, igmp_fasttimo, igmp_slowtimo 124 }, 125 { SOCK_RAW, &inetdomain, IPPROTO_RSVP, PR_ATOMIC|PR_ADDR, 126 rsvp_input, rip_output, 0, rip_ctloutput, 127 rip_usrreq, 128 0, 0, 0, 0, 129 }, 130 { SOCK_RAW, &inetdomain, IPPROTO_IPIP, PR_ATOMIC|PR_ADDR, 131 ipip_input, rip_output, 0, rip_ctloutput, 132 rip_usrreq, 133 0, 0, 0, 0, 134 }, 135 #ifdef TPIP 136 { SOCK_SEQPACKET,&inetdomain, IPPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD, 137 tpip_input, 0, tpip_ctlinput, tp_ctloutput, 138 tp_usrreq, 139 tp_init, 0, tp_slowtimo, tp_drain, 140 }, 141 #endif 142 /* EON (ISO CLNL over IP) */ 143 #ifdef EON 144 { SOCK_RAW, &inetdomain, IPPROTO_EON, 0, 145 eoninput, 0, eonctlinput, 0, 146 0, 147 eonprotoinit, 0, 0, 0, 148 }, 149 #endif 150 #ifdef IPXIP 151 { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR, 152 ipxip_input, rip_output, ipxip_ctlinput, 0, 153 rip_usrreq, 154 0, 0, 0, 0, 155 }, 156 #endif 157 #ifdef NSIP 158 { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR, 159 idpip_input, rip_output, nsip_ctlinput, 0, 160 rip_usrreq, 161 0, 0, 0, 0, 162 }, 163 #endif 164 /* raw wildcard */ 165 { SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR, 166 rip_input, rip_output, 0, rip_ctloutput, 167 rip_usrreq, 168 rip_init, 0, 0, 0, 169 }, 170 }; 171 172 extern int in_inithead(void **, int); 173 174 struct domain inetdomain = 175 { AF_INET, "internet", 0, 0, 0, 176 inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0, 177 in_inithead, 32, sizeof(struct sockaddr_in) 178 }; 179 180 DOMAIN_SET(inet); 181 182 SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0, 183 "Internet Family"); 184 185 SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW, 0, "IP"); 186 SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW, 0, "ICMP"); 187 SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW, 0, "UDP"); 188 SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW, 0, "TCP"); 189 SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW, 0, "IGMP"); 190 191 #if 0 192 #include "imp.h" 193 #if NIMP > 0 194 extern struct domain impdomain; 195 int rimp_output(), hostslowtimo(); 196 197 struct protosw impsw[] = { 198 { SOCK_RAW, &impdomain, 0, PR_ATOMIC|PR_ADDR, 199 0, rimp_output, 0, 0, 200 rip_usrreq, 201 0, 0, hostslowtimo, 0, 202 }, 203 }; 204 205 struct domain impdomain = 206 { AF_IMPLINK, "imp", 0, 0, 0, 207 impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] }; 208 209 DOMAIN_SET(imp); 210 211 #endif 212 #endif 213 214 #if 0 215 #include "hy.h" 216 #if NHY > 0 217 /* 218 * HYPERchannel protocol family: raw interface. 219 */ 220 int rhy_output(); 221 extern struct domain hydomain; 222 223 struct protosw hysw[] = { 224 { SOCK_RAW, &hydomain, 0, PR_ATOMIC|PR_ADDR, 225 0, rhy_output, 0, 0, 226 rip_usrreq, 227 0, 0, 0, 0, 228 }, 229 }; 230 231 struct domain hydomain = 232 { AF_HYLINK, "hy", 0, 0, 0, hysw, &hysw[sizeof (hysw)/sizeof(hysw[0])] }; 233 234 DOMAIN_SET(hy); 235 #endif 236 #endif 237