usr/src/sys/netiso/iso_proto.c

/***********************************************************
                Copyright IBM Corporation 1987

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******************************************************************/

/*
 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
 */
/* $Header: iso_proto.c,v 4.4 88/09/08 08:38:42 hagens Exp $
 * $Source: /usr/argo/sys/netiso/RCS/iso_proto.c,v $
 *      @(#)iso_proto.c 7.4 (Berkeley) %G% *
 *
 * iso_proto.c : protocol switch tables in the ISO domain
 *
 * ISO protocol family includes TP, CLTP, CLNP, 8208
 * TP and CLNP are implemented here.
 */

#ifndef lint
static char *rcsid = "$Header: iso_proto.c,v 4.4 88/09/08 08:38:42 hagens Exp $";
#endif

#ifdef  ISO
#include "types.h"
#include "param.h"
#include "socket.h"
#include "protosw.h"
#include "domain.h"
#include "mbuf.h"

#include "iso.h"

int clnp_output(), clnp_init(),clnp_slowtimo(),clnp_drain();
int rclnp_input(), rclnp_output(), rclnp_ctloutput(), raw_usrreq();
int     clnp_usrreq();

int     tp_ctloutput();
int     tpclnp_ctlinput();
int     tpclnp_input();
int     tp_usrreq();
int     tp_init(),tp_slowtimo(),tp_drain();

int     esis_input(), esis_ctlinput(), esis_init(), esis_usrreq();
int     cltp_input(), cltp_ctlinput(), cltp_init(), cltp_usrreq(), cltp_output();

struct protosw isosw[] = {
/*
 *  We need a datagram entry through which net mgmt programs can get
 *      to the iso_control procedure (iso ioctls). Thus, a minimal
 *      SOCK_DGRAM interface is provided here.
 *  THIS ONE MUST BE FIRST: Kludge city : socket() says if(!proto) call
 *  pffindtype, which gets the first entry that matches the type.
 *  sigh.
 */
{ SOCK_DGRAM,   &isodomain,             ISOPROTO_CLTP,          PR_ATOMIC|PR_ADDR,
        0,                      cltp_output,    0,                                      0,
        cltp_usrreq,
        cltp_init,      0,                              0,                                      0
},

/*
 *      A datagram interface for clnp cannot co-exist with TP/CLNP
 *  because CLNP has no way to discriminate incoming TP packets from
 *  packets coming in for any other higher layer protocol.
 *  Old way: set it up so that pffindproto(... dgm, clnp) fails.
 *  New way: let pffindproto work (for x.25, thank you) but create
 *      a clnp_usrreq() that returns error on PRU_ATTACH.
 */
{SOCK_DGRAM,    &isodomain,             ISOPROTO_CLNP,          0,
 0,                             clnp_output,    0,                                      0,
 clnp_usrreq,
 clnp_init,             0,                              clnp_slowtimo,          clnp_drain,
},

/* raw clnp */
{ SOCK_RAW,             &isodomain,             ISOPROTO_RAW,           PR_ATOMIC|PR_ADDR,
  rclnp_input,  rclnp_output,   0,                                      rclnp_ctloutput,
  raw_usrreq,
  0,                    0,                              0,                                      0
},

/* ES-IS protocol */
{ SOCK_DGRAM,   &isodomain,             ISOPROTO_ESIS,          PR_ATOMIC|PR_ADDR,
  esis_input,   0,                              esis_ctlinput,                          0,
  esis_usrreq,
  esis_init,                    0,                              0,                                      0
},

/* ISOPROTO_TP */
{ SOCK_SEQPACKET,       &isodomain,     ISOPROTO_TP,    PR_CONNREQUIRED|PR_WANTRCVD,
  tpclnp_input,         0,                      tpclnp_ctlinput,        tp_ctloutput,
  tp_usrreq,
  tp_init,                      0,                      tp_slowtimo,    tp_drain,
},

};

int     iso_init();

struct domain isodomain = {
    AF_ISO,                     /* family */
        "iso-domain",           /* name */
        iso_init,                       /* initialize routine */
        0,                                      /* externalize access rights */
        0,                                      /* dispose of internalized rights */
        isosw,                          /* protosw */
        &isosw[sizeof(isosw)/sizeof(isosw[0])] /* NPROTOSW */
};
#endif  ISO