sys/netinet/in_proto.c

/*
 * Copyright (c) 1982, 1986 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.
 *
 *      from: @(#)in_proto.c    7.5 (Berkeley) 6/28/90
 *      $Id: in_proto.c,v 1.2 1993/10/16 18:26:04 rgrimes Exp $
 */

#include "param.h"
#include "socket.h"
#include "protosw.h"
#include "domain.h"
#include "mbuf.h"
#include "net/if.h"
#include "net/route.h"

#include "in.h"
#include "in_systm.h"
#include "in_var.h"             /* IP prototypes */

#include "ip.h"
#include "ip_var.h"             /* more IP prototypes */

#include "ip_icmp.h"
#include "icmp_var.h"           /* ICMP prototypes */

#include "udp.h"
#include "udp_var.h"            /* UDP prototypes */

#include "tcp.h"
#include "tcp_fsm.h"
#include "tcp_seq.h"
#include "tcp_timer.h"
#include "tcp_var.h"            /* TCP prototypes */

/*
 * TCP/IP protocol family: IP, ICMP, UDP, TCP.
 */
in_output_t ip_output;
in_ctloutput_t ip_ctloutput;
void ip_init();
void ip_slowtimo();
void ip_drain();
in_input_t udp_input;
in_ctlinput_t udp_ctlinput;
int udp_usrreq();
void udp_init();
in_input_t tcp_input;
in_ctlinput_t tcp_ctlinput;
int tcp_usrreq();
in_ctloutput_t tcp_ctloutput;
void tcp_init();
void tcp_fasttimo();
void tcp_slowtimo();
void tcp_drain();
in_input_t rip_input;
in_output_t rip_output;
in_ctloutput_t rip_ctloutput;
int rip_usrreq();
/*
 * IMP protocol family: raw interface.
 * Using the raw interface entry to get the timer routine
 * in is a kludge.
 */
#include "imp.h"
#if NIMP > 0
int rimp_output();
void hostslowtimo();
#endif

#ifdef NSIP
in_input_t idpip_input;
in_ctlinput_t nsip_ctlinput;
#endif

#ifdef TPIP
in_input_t tpip_input;
in_ctlinput_t tpip_ctlinput;
in_ctloutput_t tp_ctloutput;
int tp_usrreq();
void tp_init();
void tp_slowtimo();
void tp_drain();
#endif

#ifdef EON
in_input_t eoninput;
in_ctlinput_t eonctlinput;
void eonprotoinit();
#endif /* EON */

extern  struct domain inetdomain;

struct in_protosw inetsw[] = {
{ 0,            &inetdomain,    0,              0,
  0,            ip_output,      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,     0,              0,              0,
},
{ SOCK_STREAM,  &inetdomain,    IPPROTO_TCP,    PR_CONNREQUIRED|PR_WANTRCVD,
  tcp_input,    0,              tcp_ctlinput,   tcp_ctloutput,
  tcp_usrreq,
  tcp_init,     tcp_fasttimo,   tcp_slowtimo,   tcp_drain,
},
{ SOCK_RAW,     &inetdomain,    IPPROTO_RAW,    PR_ATOMIC|PR_ADDR,
  rip_input,    rip_output,     0,              rip_ctloutput,
  rip_usrreq,
  0,            0,              0,              0,
},
{ SOCK_RAW,     &inetdomain,    IPPROTO_ICMP,   PR_ATOMIC|PR_ADDR,
  icmp_input,   rip_output,     0,              rip_ctloutput,
  rip_usrreq,
  0,            0,              0,              0,
},
#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 NSIP
{ SOCK_RAW,     &inetdomain,    IPPROTO_IDP,    PR_ATOMIC|PR_ADDR,
  idpip_input,  rip_output,     nsip_ctlinput,  0,
  rip_usrreq,
  0,            0,              0,              0,
},
#endif
        /* raw wildcard */
{ SOCK_RAW,     &inetdomain,    0,              PR_ATOMIC|PR_ADDR,
  rip_input,    rip_output,     0,              rip_ctloutput,
  rip_usrreq,
  0,            0,              0,              0,
},
};

struct domain inetdomain =
{ AF_INET, "internet", 0, 0, 0,
    (struct protosw *)inetsw,
    (struct protosw *)&inetsw[sizeof(inetsw)/sizeof(inetsw[0])]
};

#if NIMP > 0
extern  struct domain impdomain;

struct protosw impsw[] = {
{ SOCK_RAW,     &impdomain,     0,              PR_ATOMIC|PR_ADDR,
  0,            rimp_output,    0,              0,
  rip_usrreq,
  0,            0,              hostslowtimo,   0,
},
};

struct domain impdomain =
    { AF_IMPLINK, "imp", 0, 0, 0,
      impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] };
#endif