/* packet-netflow.h * Routines for Cisco NetFlow packet disassembly * Matthew Smart * * $Id: packet-netflow.h,v 1.2 2002/09/06 21:22:37 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef __PACKET_NETFLOW_H #define __PACKET_NETFLOW_H #include #define UDP_PORT_NETFLOW 5000 /* XXX */ struct netflow5_hdr { guint16 version; guint16 count; /* Number of records */ guint32 sys_uptime; /* Time in msec since router booted */ guint32 unix_sec; /* Seconds since 0000 UTC 1970 */ guint32 unix_nsec; /* Residual nsec since 0000 UTC 1970 */ guint32 flow_sequence; /* Sequence num of flows seen */ guint8 engine_type; /* Type of flow switching engine */ guint8 engine_id; /* Slot number of switching engine */ guint16 sample_rate; /* sample 1/sample_rate packets */ }; struct netflow5_rec { guint32 src_addr; guint32 dst_addr; guint32 next_hop; guint16 input_iface; guint16 output_iface; guint32 pkts_sent; /* Between start_time and end_time */ guint32 bytes_sent; /* Between start_time and end_time */ guint32 start_time; /* Milliseconds since sys_uptime */ guint32 end_time; /* Milliseconds since sys_uptime */ guint16 src_port; guint16 dst_port; guint8 pad1; guint8 tcp_flags; guint8 ip_prot; guint8 tos; guint16 src_as; guint16 dst_as; guint8 src_mask; guint8 dst_mask; guint16 pad2; }; #endif