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Annotation of kernel/bsd/netinet/in_proto.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            26: /*
        !            27:  * Copyright (c) 1982, 1986, 1993
        !            28:  *     The Regents of the University of California.  All rights reserved.
        !            29:  *
        !            30:  * Redistribution and use in source and binary forms, with or without
        !            31:  * modification, are permitted provided that the following conditions
        !            32:  * are met:
        !            33:  * 1. Redistributions of source code must retain the above copyright
        !            34:  *    notice, this list of conditions and the following disclaimer.
        !            35:  * 2. Redistributions in binary form must reproduce the above copyright
        !            36:  *    notice, this list of conditions and the following disclaimer in the
        !            37:  *    documentation and/or other materials provided with the distribution.
        !            38:  * 3. All advertising materials mentioning features or use of this software
        !            39:  *    must display the following acknowledgement:
        !            40:  *     This product includes software developed by the University of
        !            41:  *     California, Berkeley and its contributors.
        !            42:  * 4. Neither the name of the University nor the names of its contributors
        !            43:  *    may be used to endorse or promote products derived from this software
        !            44:  *    without specific prior written permission.
        !            45:  *
        !            46:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            47:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            48:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            49:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            50:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            51:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            52:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            53:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            54:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            55:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            56:  * SUCH DAMAGE.
        !            57:  *
        !            58:  *     @(#)in_proto.c  8.2 (Berkeley) 2/9/95
        !            59:  */
        !            60: 
        !            61: #include <sys/param.h>
        !            62: #include <sys/socket.h>
        !            63: #include <sys/protosw.h>
        !            64: #include <sys/domain.h>
        !            65: #include <sys/mbuf.h>
        !            66: 
        !            67: #include <net/if.h>
        !            68: #include <net/radix.h>
        !            69: #include <net/route.h>
        !            70: 
        !            71: #include <netinet/in.h>
        !            72: #include <netinet/in_systm.h>
        !            73: #include <netinet/ip.h>
        !            74: #include <netinet/ip_var.h>
        !            75: #include <netinet/ip_icmp.h>
        !            76: #include <netinet/in_pcb.h>
        !            77: #include <netinet/igmp_var.h>
        !            78: #include <netinet/tcp.h>
        !            79: #include <netinet/tcp_fsm.h>
        !            80: #include <netinet/tcp_seq.h>
        !            81: #include <netinet/tcp_timer.h>
        !            82: #include <netinet/tcp_var.h>
        !            83: #include <netinet/tcpip.h>
        !            84: #include <netinet/tcp_debug.h>
        !            85: #include <netinet/udp.h>
        !            86: #include <netinet/udp_var.h>
        !            87: /*
        !            88:  * TCP/IP protocol family: IP, ICMP, UDP, TCP.
        !            89:  */
        !            90: 
        !            91: #if NSIP
        !            92: void   idpip_input(), nsip_ctlinput();
        !            93: #endif
        !            94: 
        !            95: #if TPIP
        !            96: void   tpip_input(), tpip_ctlinput(), tp_init(), tp_slowtimo(), tp_drain();
        !            97: int    tp_ctloutput(), tp_usrreq();
        !            98: #endif
        !            99: 
        !           100: #if EON
        !           101: void   eoninput(), eonctlinput(), eonprotoinit();
        !           102: #endif /* EON */
        !           103: 
        !           104: extern struct domain inetdomain;
        !           105: 
        !           106: struct protosw inetsw[] = {
        !           107: { 0,           &inetdomain,    0,              0,
        !           108:   0,           ip_output,      0,              0,
        !           109:   0,
        !           110:   ip_init,     0,              ip_slowtimo,    ip_drain,       ip_sysctl
        !           111: },
        !           112: { SOCK_DGRAM,  &inetdomain,    IPPROTO_UDP,    PR_ATOMIC|PR_ADDR,
        !           113:   udp_input,   0,              udp_ctlinput,   ip_ctloutput,
        !           114:   udp_usrreq,
        !           115:   udp_init,    0,              0,              0,              udp_sysctl
        !           116: },
        !           117: { SOCK_STREAM, &inetdomain,    IPPROTO_TCP,    PR_CONNREQUIRED|PR_WANTRCVD,
        !           118:   tcp_input,   0,              tcp_ctlinput,   tcp_ctloutput,
        !           119:   tcp_usrreq,
        !           120:   tcp_init,    tcp_fasttimo,   tcp_slowtimo,   tcp_drain,
        !           121: },
        !           122: { SOCK_RAW,    &inetdomain,    IPPROTO_RAW,    PR_ATOMIC|PR_ADDR,
        !           123:   rip_input,   rip_output,     0,              rip_ctloutput,
        !           124:   rip_usrreq,
        !           125:   0,           0,              0,              0,
        !           126: },
        !           127: { SOCK_RAW,    &inetdomain,    IPPROTO_ICMP,   PR_ATOMIC|PR_ADDR,
        !           128:   icmp_input,  rip_output,     0,              rip_ctloutput,
        !           129:   rip_usrreq,
        !           130:   0,           0,              0,              0,              icmp_sysctl
        !           131: },
        !           132: { SOCK_RAW,    &inetdomain,    IPPROTO_IGMP,   PR_ATOMIC|PR_ADDR,
        !           133:   igmp_input,  rip_output,     0,              rip_ctloutput,
        !           134:   rip_usrreq,
        !           135:   igmp_init,   igmp_fasttimo,  0,              0,
        !           136: },
        !           137: #if TPIP
        !           138: { SOCK_SEQPACKET,&inetdomain,  IPPROTO_TP,     PR_CONNREQUIRED|PR_WANTRCVD,
        !           139:   tpip_input,  0,              tpip_ctlinput,  tp_ctloutput,
        !           140:   tp_usrreq,
        !           141:   tp_init,     0,              tp_slowtimo,    tp_drain,
        !           142: },
        !           143: #endif
        !           144: /* EON (ISO CLNL over IP) */
        !           145: #if EON
        !           146: { SOCK_RAW,    &inetdomain,    IPPROTO_EON,    0,
        !           147:   eoninput,    0,              eonctlinput,            0,
        !           148:   0,
        !           149:   eonprotoinit,        0,              0,              0,
        !           150: },
        !           151: #endif
        !           152: #if NSIP
        !           153: { SOCK_RAW,    &inetdomain,    IPPROTO_IDP,    PR_ATOMIC|PR_ADDR,
        !           154:   idpip_input, rip_output,     nsip_ctlinput,  0,
        !           155:   rip_usrreq,
        !           156:   0,           0,              0,              0,
        !           157: },
        !           158: #endif
        !           159:        /* raw wildcard */
        !           160: { SOCK_RAW,    &inetdomain,    0,              PR_ATOMIC|PR_ADDR,
        !           161:   rip_input,   rip_output,     0,              rip_ctloutput,
        !           162:   rip_usrreq,
        !           163:   rip_init,    0,              0,              0,
        !           164: },
        !           165: };
        !           166: 
        !           167: struct domain inetdomain =
        !           168:     { AF_INET, "internet", 0, 0, 0, 
        !           169:       inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0,
        !           170:       rn_inithead, 32, sizeof(struct sockaddr_in) };
        !           171: 
        !           172: #ifdef notyet /* XXXX */
        !           173: #include "imp.h"
        !           174: #if NIMP > 0
        !           175: extern struct domain impdomain;
        !           176: int    rimp_output(), hostslowtimo();
        !           177: 
        !           178: struct protosw impsw[] = {
        !           179: { SOCK_RAW,    &impdomain,     0,              PR_ATOMIC|PR_ADDR,
        !           180:   0,           rimp_output,    0,              0,
        !           181:   rip_usrreq,
        !           182:   0,           0,              hostslowtimo,   0,
        !           183: },
        !           184: };
        !           185: 
        !           186: struct domain impdomain =
        !           187:     { AF_IMPLINK, "imp", 0, 0, 0,
        !           188:       impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] };
        !           189: #endif
        !           190: 
        !           191: #include "hy.h"
        !           192: #if NHY > 0
        !           193: /*
        !           194:  * HYPERchannel protocol family: raw interface.
        !           195:  */
        !           196: int    rhy_output();
        !           197: extern struct domain hydomain;
        !           198: 
        !           199: struct protosw hysw[] = {
        !           200: { SOCK_RAW,    &hydomain,      0,              PR_ATOMIC|PR_ADDR,
        !           201:   0,           rhy_output,     0,              0,
        !           202:   rip_usrreq,
        !           203:   0,           0,              0,              0,
        !           204: },
        !           205: };
        !           206: 
        !           207: struct domain hydomain =
        !           208:     { AF_HYLINK, "hy", 0, 0, 0, hysw, &hysw[sizeof (hysw)/sizeof(hysw[0])] };
        !           209: #endif
        !           210: #endif

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