1 /* 2 * IPX protocol formats 3 * 4 * @(#) $Header: /tcpdump/master/tcpdump/ipx.h,v 1.8 2002/12/11 07:13:54 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 32
