include/net/ipx.h

   1 /*
   2  *      The following information is in its entirety obtained from:
   3  *
   4  *      Novell 'IPX Router Specification' Version 1.10
   5  *              Part No. 107-000029-001
   6  *
   7  *      Which is available from ftp.novell.com
   8  */
   9
  10 #ifndef _NET_INET_IPX_H_
  11 #define _NET_INET_IPX_H_
  12
  13 #include <linux/netdevice.h>
  14 #include <net/datalink.h>
  15 #include <linux/ipx.h>
  16
  17 typedef struct
  18 {
  19         __u32   net;
  20         __u8    node[IPX_NODE_LEN];
  21         __u16   sock;
  22 } ipx_address;
  23
  24 #define ipx_broadcast_node      "\377\377\377\377\377\377"
  25 #define ipx_this_node           "\0\0\0\0\0\0"
  26
  27 struct ipxhdr
  28 {
  29         __u16           ipx_checksum __attribute__ ((packed));
  30 #define IPX_NO_CHECKSUM 0xFFFF
  31         __u16           ipx_pktsize __attribute__ ((packed));
  32         __u8            ipx_tctrl;
  33         __u8            ipx_type;
  34 #define IPX_TYPE_UNKNOWN        0x00
  35 #define IPX_TYPE_RIP            0x01    /* may also be 0 */
  36 #define IPX_TYPE_SAP            0x04    /* may also be 0 */
  37 #define IPX_TYPE_SPX            0x05    /* SPX protocol */
  38 #define IPX_TYPE_NCP            0x11    /* $lots for docs on this (SPIT) */
  39 #define IPX_TYPE_PPROP          0x14    /* complicated flood fill brdcast [Not supported] */
  40         ipx_address     ipx_dest __attribute__ ((packed));
  41         ipx_address     ipx_source __attribute__ ((packed));
  42 };
  43
  44 #include <net/ipxcall.h>
  45
  46 typedef struct ipx_interface {
  47         /* IPX address */
  48         __u32           if_netnum;
  49         unsigned char   if_node[IPX_NODE_LEN];
  50
  51         /* physical device info */
  52         struct device   *if_dev;
  53         struct datalink_proto   *if_dlink;
  54         unsigned short  if_dlink_type;
  55
  56         /* socket support */
  57         unsigned short  if_sknum;
  58         struct sock     *if_sklist;
  59
  60         /* administrative overhead */
  61         int             if_ipx_offset;
  62         unsigned char   if_internal;
  63         unsigned char   if_primary;
  64
  65         struct ipx_interface    *if_next;
  66 }       ipx_interface;
  67
  68 typedef struct ipx_route {
  69         __u32         ir_net;
  70         ipx_interface *ir_intrfc;
  71         unsigned char ir_routed;
  72         unsigned char ir_router_node[IPX_NODE_LEN];
  73         struct ipx_route *ir_next;
  74 }       ipx_route;
  75
  76 #define IPX_MIN_EPHEMERAL_SOCKET        0x4000
  77 #define IPX_MAX_EPHEMERAL_SOCKET        0x7fff
  78
  79 extern int ipx_register_spx(struct proto_ops **, struct net_proto_family *);
  80 extern int ipx_unregister_spx(void);
  81
  82 #endif /* def _NET_INET_IPX_H_ */