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/*

 * Copyright (c) 1982, 1986, 1993

 *      The Regents of the University of California.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. All advertising materials mentioning features or use of this software

 *    must display the following acknowledgement:

 *      This product includes software developed by the University of

 *      California, Berkeley and its contributors.

 * 4. Neither the name of the University nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 *

 *      @(#)in_proto.c  8.2 (Berkeley) 2/9/95

 *      $Id: in_proto.c,v 1.2 2001-09-27 12:01:55 chris Exp $

 */

#include "opt_tcpdebug.h"

#include <sys/param.h>

#include <sys/queue.h>

#include <sys/kernel.h>

#include <sys/socket.h>

#include <sys/socketvar.h>

#include <sys/domain.h>

#include <sys/mbuf.h>

#include <sys/protosw.h>

#include <sys/sysctl.h>

#include <net/if.h>

#include <net/radix.h>

#include <net/route.h>

#include <netinet/in.h>

#include <netinet/in_systm.h>

#include <netinet/ip.h>

#include <netinet/ip_var.h>

#include <netinet/ip_icmp.h>

#include <netinet/in_pcb.h>

#include <netinet/igmp_var.h>

#include <netinet/tcp.h>

#include <netinet/tcp_fsm.h>

#include <netinet/tcp_seq.h>

#include <netinet/tcp_timer.h>

#include <netinet/tcp_var.h>

#include <netinet/tcpip.h>

#ifdef TCPDEBUG

#include <netinet/tcp_debug.h>

#endif

#include <netinet/udp.h>

#include <netinet/udp_var.h>

/*

 * TCP/IP protocol family: IP, ICMP, UDP, TCP.

 */

#ifdef IPXIP

#include <netipx/ipx.h>

#include <netipx/ipx_ip.h>

#endif

#ifdef NSIP

#include <netns/ns.h>

#include <netns/ns_if.h>

#endif

#ifdef TPIP

void    tpip_input(), tpip_ctlinput(), tp_init(), tp_slowtimo(), tp_drain();

int     tp_ctloutput(), tp_usrreq();

#endif

#ifdef EON

void    eoninput(), eonctlinput(), eonprotoinit();

#endif /* EON */

extern  struct domain inetdomain;

struct protosw inetsw[] = {

{ 0,             &inetdomain,    0,               0,

  0,             0,               0,               0,

  0,

  ip_init,      0,               ip_slowtimo,    ip_drain

},

{ SOCK_DGRAM,   &inetdomain,    IPPROTO_UDP,    PR_ATOMIC|PR_ADDR,

  udp_input,    0,               udp_ctlinput,   ip_ctloutput,

  udp_usrreq,

  udp_init

},

{ SOCK_STREAM,  &inetdomain,    IPPROTO_TCP,

        PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD,

  tcp_input,    0,               tcp_ctlinput,   tcp_ctloutput,

  0,

  tcp_init,     tcp_fasttimo,   tcp_slowtimo,   tcp_drain,

  &tcp_usrreqs

},

{ SOCK_RAW,     &inetdomain,    IPPROTO_RAW,    PR_ATOMIC|PR_ADDR,

  rip_input,    0,               0,               rip_ctloutput,

  rip_usrreq,

  0,             0,               0,               0,

},

{ SOCK_RAW,     &inetdomain,    IPPROTO_ICMP,   PR_ATOMIC|PR_ADDR,

  icmp_input,   0,               0,               rip_ctloutput,

  rip_usrreq

},

{ SOCK_RAW,     &inetdomain,    IPPROTO_IGMP,   PR_ATOMIC|PR_ADDR,

  igmp_input,   0,               0,               rip_ctloutput,

  rip_usrreq,

  igmp_init,    igmp_fasttimo,  igmp_slowtimo

},

{ SOCK_RAW,     &inetdomain,    IPPROTO_RSVP,   PR_ATOMIC|PR_ADDR,

  rsvp_input,   0,               0,               rip_ctloutput,

  rip_usrreq,

  0,             0,               0,               0,

},

{ SOCK_RAW,     &inetdomain,    IPPROTO_IPIP,   PR_ATOMIC|PR_ADDR,

  ipip_input,   0,               0,               rip_ctloutput,

  rip_usrreq,

  0,             0,               0,               0,

},

#ifdef IPDIVERT

{ SOCK_RAW,     &inetdomain,    IPPROTO_DIVERT, PR_ATOMIC|PR_ADDR,

  div_input,    0,               0,               ip_ctloutput,

  div_usrreq,

  div_init,     0,               0,               0,

},

#endif

#ifdef TPIP

{ SOCK_SEQPACKET,&inetdomain,   IPPROTO_TP,     PR_CONNREQUIRED|PR_WANTRCVD,

  tpip_input,   0,               tpip_ctlinput,  tp_ctloutput,

  tp_usrreq,

  tp_init,      0,               tp_slowtimo,    tp_drain,

},

#endif

/* EON (ISO CLNL over IP) */

#ifdef EON

{ SOCK_RAW,     &inetdomain,    IPPROTO_EON,    0,

  eoninput,     0,               eonctlinput,            0,

  0,

  eonprotoinit, 0,               0,               0,

},

#endif

#ifdef IPXIP

{ SOCK_RAW,     &inetdomain,    IPPROTO_IDP,    PR_ATOMIC|PR_ADDR,

  ipxip_input,  0,               ipxip_ctlinput, 0,

  rip_usrreq,

  0,             0,               0,               0,

},

#endif

#ifdef NSIP

{ SOCK_RAW,     &inetdomain,    IPPROTO_IDP,    PR_ATOMIC|PR_ADDR,

  idpip_input,  0,               nsip_ctlinput,  0,

  rip_usrreq,

  0,             0,               0,               0,

},

#endif

        /* raw wildcard */

{ SOCK_RAW,     &inetdomain,    0,               PR_ATOMIC|PR_ADDR,

  rip_input,    0,               0,               rip_ctloutput,

  rip_usrreq,

  rip_init,     0,               0,               0,

},

};

extern int in_inithead(void **, int);

struct domain inetdomain =

    { AF_INET, "internet", 0, 0, 0,

      inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0,

      in_inithead, 32, sizeof(struct sockaddr_in)

    };

DOMAIN_SET(inet);

SYSCTL_NODE(_net,      PF_INET,         inet,   CTLFLAG_RW, 0,

        "Internet Family");

SYSCTL_NODE(_net_inet, IPPROTO_IP,      ip,     CTLFLAG_RW, 0,   "IP");

SYSCTL_NODE(_net_inet, IPPROTO_ICMP,    icmp,   CTLFLAG_RW, 0,   "ICMP");

SYSCTL_NODE(_net_inet, IPPROTO_UDP,     udp,    CTLFLAG_RW, 0,   "UDP");

SYSCTL_NODE(_net_inet, IPPROTO_TCP,     tcp,    CTLFLAG_RW, 0,   "TCP");

SYSCTL_NODE(_net_inet, IPPROTO_IGMP,    igmp,   CTLFLAG_RW, 0,   "IGMP");

#ifdef IPDIVERT

SYSCTL_NODE(_net_inet, IPPROTO_DIVERT,  div,    CTLFLAG_RW, 0,   "DIVERT");

#endif