FreeBSD/Linux Kernel Cross Reference
sys/netipx/ipx.h

     /*
      * Copyright (c) 1995, Mike Mitchell
      * Copyright (c) 1984, 1985, 1986, 1987, 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.
     *
     *      @(#)ipx.h
     *
     * $FreeBSD: src/sys/netipx/ipx.h,v 1.7.4.2 1999/09/05 08:18:55 peter Exp $
     */
    
    #ifndef _NETIPX_IPX_H_
    #define _NETIPX_IPX_H_
    
    /*
     * Constants and Structures
     */
    
    /*
     * Protocols
     */
    #define IPXPROTO_UNKWN          0       /* Unknown */
    #define IPXPROTO_RI             1       /* RIP Routing Information */
    #define IPXPROTO_PXP            4       /* IPX Packet Exchange Protocol */
    #define IPXPROTO_SPX            5       /* SPX Sequenced Packet */
    #define IPXPROTO_NCP            17      /* NCP NetWare Core */
    #define IPXPROTO_NETBIOS        20      /* Propagated Packet */
    #define IPXPROTO_RAW            255     /* Placemarker*/
    #define IPXPROTO_MAX            256     /* Placemarker*/
    
    /*
     * Port/Socket numbers: network standard functions
     */
    
    #define IPXPORT_RI              1       /* NS RIP Routing Information */
    #define IPXPORT_ECHO            2       /* NS Echo */
    #define IPXPORT_RE              3       /* NS Router Error */
    #define IPXPORT_NCP             0x0451  /* NW NCP Core Protocol */
    #define IPXPORT_SAP             0x0452  /* NW SAP Service Advertising */
    #define IPXPORT_RIP             0x0453  /* NW RIP Routing Information */
    #define IPXPORT_NETBIOS         0x0455  /* NW NetBIOS */
    #define IPXPORT_DIAGS           0x0456  /* NW Diagnostics */
    /*
     * Ports < IPXPORT_RESERVED are reserved for privileged
     */
    #define IPXPORT_RESERVED        0x4000
    /*
     * Ports > IPXPORT_WELLKNOWN are reserved for privileged
     * processes (e.g. root).
     */
    #define IPXPORT_WELLKNOWN       0x6000
    
    /* flags passed to ipx_outputfl as last parameter */
    
    #define IPX_FORWARDING          0x1     /* most of ipx header exists */
    #define IPX_ROUTETOIF           0x10    /* same as SO_DONTROUTE */
    #define IPX_ALLOWBROADCAST      SO_BROADCAST    /* can send broadcast packets */
    
    #define IPX_MAXHOPS             15
    
    /* flags passed to get/set socket option */
    #define SO_HEADERS_ON_INPUT     1
    #define SO_HEADERS_ON_OUTPUT    2
    #define SO_DEFAULT_HEADERS      3
    #define SO_LAST_HEADER          4
    #define SO_IPXIP_ROUTE          5
    #define SO_SEQNO                6
    #define SO_ALL_PACKETS          7
    #define SO_MTU                  8
    #define SO_IPXTUN_ROUTE         9
    
    /*
    * IPX addressing
    */
   union ipx_host {
           u_char  c_host[6];
           u_short s_host[3];
   };
   
   union ipx_net {
           u_char  c_net[4];
           u_short s_net[2];
   };
   
   union ipx_net_u {
           union   ipx_net net_e;
           u_long          long_e;
   };
   
   struct ipx_addr {
           union ipx_net   x_net;
           union ipx_host  x_host;
           u_short         x_port;
   };
   
   /*
    * Socket address
    */
   struct sockaddr_ipx {
           u_char          sipx_len;
           u_char          sipx_family;
           struct ipx_addr sipx_addr;
           char            sipx_zero[2];
   };
   #define sipx_port sipx_addr.x_port
   
   /*
    * Definitions for IPX Internetwork Packet Exchange Protocol
    */
   struct ipx {
           u_short ipx_sum;        /* Checksum */
           u_short ipx_len;        /* Length, in bytes, including header */
           u_char  ipx_tc;         /* Transport Control (i.e. hop count) */
           u_char  ipx_pt;         /* Packet Type (i.e. level 2 protocol) */
           struct ipx_addr ipx_dna;        /* Destination Network Address */
           struct ipx_addr ipx_sna;        /* Source Network Address */
   };
   
   #ifdef vax
   #define ipx_netof(a) (*(long *) & ((a).x_net)) /* XXX - not needed */
   #endif
   #define ipx_neteqnn(a,b) \
           (((a).s_net[0] == (b).s_net[0]) && ((a).s_net[1] == (b).s_net[1]))
   #define ipx_neteq(a,b) ipx_neteqnn((a).x_net, (b).x_net)
   #define satoipx_addr(sa) (((struct sockaddr_ipx *)&(sa))->sipx_addr)
   #define ipx_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \
           (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2])
   #define ipx_hosteq(s,t) (ipx_hosteqnh((s).x_host,(t).x_host))
   #define ipx_nullnet(x) (((x).x_net.s_net[0]==0) && ((x).x_net.s_net[1]==0))
   #define ipx_nullhost(x) (((x).x_host.s_host[0] == 0) && \
           ((x).x_host.s_host[1] == 0) && ((x).x_host.s_host[2] == 0))
   #define ipx_wildnet(x) (((x).x_net.s_net[0] == 0xffff) && \
           ((x).x_net.s_net[1] == 0xffff))
   #define ipx_wildhost(x) (((x).x_host.s_host[0] == 0xffff) && \
           ((x).x_host.s_host[1] == 0xffff) && ((x).x_host.s_host[2] == 0xffff))
   
   #include <sys/cdefs.h>
   
   __BEGIN_DECLS
   struct  ipx_addr ipx_addr __P((const char *));
   char    *ipx_ntoa __P((struct ipx_addr));
   __END_DECLS
   
   #endif /* !_NETIPX_IPX_H_ */

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