source: rtems/cpukit/libnetworking/netinet/in_proto.c @ 3239698

/*
 * 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
 *      $Id$
 */

#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