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   1 /*
   2  * IPX protocol formats
   3  *
   4  * @(#) $Header: /tcpdump/master/tcpdump/ipx.h,v 1.5 2002-03-05 11:35:45 guy Exp $
   5  */
   6
   7 /* well-known sockets */
   8 #define IPX_SKT_NCP             0x0451
   9 #define IPX_SKT_SAP             0x0452
  10 #define IPX_SKT_RIP             0x0453
  11 #define IPX_SKT_NETBIOS         0x0455
  12 #define IPX_SKT_DIAGNOSTICS     0x0456
  13 #define IPX_SKT_NWLINK_DGM      0x0553  /* NWLink datagram, may contain SMB */
  14 #define IPX_SKT_EIGRP           0x85be  /* Cisco EIGRP over IPX */
  15
  16 /* IPX transport header */
  17 struct ipxHdr {
  18     u_int16_t   cksum;          /* Checksum */
  19     u_int16_t   length;         /* Length, in bytes, including header */
  20     u_int8_t    tCtl;           /* Transport Control (i.e. hop count) */
  21     u_int8_t    pType;          /* Packet Type (i.e. level 2 protocol) */
  22     u_int16_t   dstNet[2];      /* destination net */
  23     u_int8_t    dstNode[6];     /* destination node */
  24     u_int16_t   dstSkt;         /* destination socket */
  25     u_int16_t   srcNet[2];      /* source net */
  26     u_int8_t    srcNode[6];     /* source node */
  27     u_int16_t   srcSkt;         /* source socket */
  28 };
  29
  30 #define ipxSize 30
  31