[39e6e65a] | 1 | /* |
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| 2 | * Copyright (c) 1982, 1986, 1993 |
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| 3 | * The Regents of the University of California. All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 3. All advertising materials mentioning features or use of this software |
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| 14 | * must display the following acknowledgement: |
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| 15 | * This product includes software developed by the University of |
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| 16 | * California, Berkeley and its contributors. |
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| 17 | * 4. Neither the name of the University nor the names of its contributors |
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| 18 | * may be used to endorse or promote products derived from this software |
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| 19 | * without specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 31 | * SUCH DAMAGE. |
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| 32 | * |
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| 33 | * @(#)in_proto.c 8.2 (Berkeley) 2/9/95 |
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| 34 | * $Id$ |
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| 35 | */ |
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| 36 | |
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| 37 | #include "opt_tcpdebug.h" |
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| 38 | |
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| 39 | #include <sys/param.h> |
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[c301570] | 40 | #include <rtems/bsd/sys/queue.h> |
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[39e6e65a] | 41 | #include <sys/kernel.h> |
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| 42 | #include <sys/socket.h> |
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| 43 | #include <sys/socketvar.h> |
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| 44 | #include <sys/domain.h> |
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| 45 | #include <sys/mbuf.h> |
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| 46 | #include <sys/protosw.h> |
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| 47 | #include <sys/sysctl.h> |
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| 48 | |
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| 49 | #include <net/if.h> |
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| 50 | #include <net/radix.h> |
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| 51 | #include <net/route.h> |
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| 52 | |
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| 53 | #include <netinet/in.h> |
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| 54 | #include <netinet/in_systm.h> |
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| 55 | #include <netinet/ip.h> |
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| 56 | #include <netinet/ip_var.h> |
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| 57 | #include <netinet/ip_icmp.h> |
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| 58 | #include <netinet/in_pcb.h> |
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| 59 | #include <netinet/igmp_var.h> |
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| 60 | #include <netinet/tcp.h> |
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| 61 | #include <netinet/tcp_fsm.h> |
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| 62 | #include <netinet/tcp_seq.h> |
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| 63 | #include <netinet/tcp_timer.h> |
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| 64 | #include <netinet/tcp_var.h> |
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| 65 | #include <netinet/tcpip.h> |
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| 66 | #ifdef TCPDEBUG |
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| 67 | #include <netinet/tcp_debug.h> |
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| 68 | #endif |
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| 69 | #include <netinet/udp.h> |
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| 70 | #include <netinet/udp_var.h> |
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| 71 | /* |
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| 72 | * TCP/IP protocol family: IP, ICMP, UDP, TCP. |
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| 73 | */ |
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| 74 | |
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| 75 | #ifdef IPXIP |
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| 76 | #include <netipx/ipx.h> |
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| 77 | #include <netipx/ipx_ip.h> |
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| 78 | #endif |
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| 79 | |
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| 80 | #ifdef NSIP |
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| 81 | #include <netns/ns.h> |
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| 82 | #include <netns/ns_if.h> |
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| 83 | #endif |
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| 84 | |
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| 85 | #ifdef TPIP |
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| 86 | void tpip_input(), tpip_ctlinput(), tp_init(), tp_slowtimo(), tp_drain(); |
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| 87 | int tp_ctloutput(), tp_usrreq(); |
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| 88 | #endif |
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| 89 | |
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| 90 | #ifdef EON |
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| 91 | void eoninput(), eonctlinput(), eonprotoinit(); |
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| 92 | #endif /* EON */ |
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| 93 | |
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| 94 | extern struct domain inetdomain; |
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| 95 | |
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| 96 | struct protosw inetsw[] = { |
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| 97 | { 0, &inetdomain, 0, 0, |
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| 98 | 0, 0, 0, 0, |
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| 99 | 0, |
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| 100 | ip_init, 0, ip_slowtimo, ip_drain |
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| 101 | }, |
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| 102 | { SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, |
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| 103 | udp_input, 0, udp_ctlinput, ip_ctloutput, |
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| 104 | udp_usrreq, |
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| 105 | udp_init |
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| 106 | }, |
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| 107 | { SOCK_STREAM, &inetdomain, IPPROTO_TCP, |
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| 108 | PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD, |
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| 109 | tcp_input, 0, tcp_ctlinput, tcp_ctloutput, |
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| 110 | 0, |
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| 111 | tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, |
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| 112 | &tcp_usrreqs |
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| 113 | }, |
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| 114 | { SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, |
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| 115 | rip_input, 0, 0, rip_ctloutput, |
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| 116 | rip_usrreq, |
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| 117 | 0, 0, 0, 0, |
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| 118 | }, |
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| 119 | { SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR, |
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| 120 | icmp_input, 0, 0, rip_ctloutput, |
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| 121 | rip_usrreq |
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| 122 | }, |
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| 123 | { SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR, |
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| 124 | igmp_input, 0, 0, rip_ctloutput, |
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| 125 | rip_usrreq, |
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| 126 | igmp_init, igmp_fasttimo, igmp_slowtimo |
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| 127 | }, |
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| 128 | { SOCK_RAW, &inetdomain, IPPROTO_RSVP, PR_ATOMIC|PR_ADDR, |
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| 129 | rsvp_input, 0, 0, rip_ctloutput, |
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| 130 | rip_usrreq, |
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| 131 | 0, 0, 0, 0, |
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| 132 | }, |
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| 133 | { SOCK_RAW, &inetdomain, IPPROTO_IPIP, PR_ATOMIC|PR_ADDR, |
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| 134 | ipip_input, 0, 0, rip_ctloutput, |
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| 135 | rip_usrreq, |
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| 136 | 0, 0, 0, 0, |
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| 137 | }, |
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| 138 | #ifdef IPDIVERT |
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| 139 | { SOCK_RAW, &inetdomain, IPPROTO_DIVERT, PR_ATOMIC|PR_ADDR, |
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| 140 | div_input, 0, 0, ip_ctloutput, |
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| 141 | div_usrreq, |
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| 142 | div_init, 0, 0, 0, |
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| 143 | }, |
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| 144 | #endif |
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| 145 | #ifdef TPIP |
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| 146 | { SOCK_SEQPACKET,&inetdomain, IPPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD, |
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| 147 | tpip_input, 0, tpip_ctlinput, tp_ctloutput, |
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| 148 | tp_usrreq, |
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| 149 | tp_init, 0, tp_slowtimo, tp_drain, |
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| 150 | }, |
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| 151 | #endif |
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| 152 | /* EON (ISO CLNL over IP) */ |
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| 153 | #ifdef EON |
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| 154 | { SOCK_RAW, &inetdomain, IPPROTO_EON, 0, |
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| 155 | eoninput, 0, eonctlinput, 0, |
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| 156 | 0, |
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| 157 | eonprotoinit, 0, 0, 0, |
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| 158 | }, |
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| 159 | #endif |
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| 160 | #ifdef IPXIP |
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| 161 | { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR, |
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| 162 | ipxip_input, 0, ipxip_ctlinput, 0, |
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| 163 | rip_usrreq, |
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| 164 | 0, 0, 0, 0, |
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| 165 | }, |
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| 166 | #endif |
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| 167 | #ifdef NSIP |
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| 168 | { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR, |
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| 169 | idpip_input, 0, nsip_ctlinput, 0, |
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| 170 | rip_usrreq, |
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| 171 | 0, 0, 0, 0, |
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| 172 | }, |
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| 173 | #endif |
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| 174 | /* raw wildcard */ |
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| 175 | { SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR, |
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| 176 | rip_input, 0, 0, rip_ctloutput, |
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| 177 | rip_usrreq, |
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| 178 | rip_init, 0, 0, 0, |
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| 179 | }, |
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| 180 | }; |
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| 181 | |
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| 182 | extern int in_inithead(void **, int); |
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| 183 | |
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| 184 | struct domain inetdomain = |
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| 185 | { AF_INET, "internet", 0, 0, 0, |
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| 186 | inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0, |
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| 187 | in_inithead, 32, sizeof(struct sockaddr_in) |
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| 188 | }; |
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| 189 | |
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| 190 | DOMAIN_SET(inet); |
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| 191 | |
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| 192 | SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0, |
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| 193 | "Internet Family"); |
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| 194 | |
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| 195 | SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW, 0, "IP"); |
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| 196 | SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW, 0, "ICMP"); |
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| 197 | SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW, 0, "UDP"); |
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| 198 | SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW, 0, "TCP"); |
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| 199 | SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW, 0, "IGMP"); |
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| 200 | #ifdef IPDIVERT |
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| 201 | SYSCTL_NODE(_net_inet, IPPROTO_DIVERT, div, CTLFLAG_RW, 0, "DIVERT"); |
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| 202 | #endif |
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