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127 lines
3.0 KiB
C
127 lines
3.0 KiB
C
/* $OpenBSD: if_pflow.h,v 1.5 2009/02/27 11:09:36 gollo Exp $ */
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/*
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* Copyright (c) 2008 Henning Brauer <henning@openbsd.org>
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* Copyright (c) 2008 Joerg Goltermann <jg@osn.de>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $FreeBSD$
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*/
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#ifndef _NET_IF_PFLOW_H_
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#define _NET_IF_PFLOW_H_
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#define PFLOW_ID_LEN sizeof(u_int64_t)
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#define PFLOW_MAXFLOWS 30
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#define PFLOW_VERSION 5
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#define PFLOW_ENGINE_TYPE 42
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#define PFLOW_ENGINE_ID 42
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#define PFLOW_MAXBYTES 0xffffffff
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#define PFLOW_TIMEOUT 30
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struct pflow_flow {
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u_int32_t src_ip;
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u_int32_t dest_ip;
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u_int32_t nexthop_ip;
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u_int16_t if_index_in;
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u_int16_t if_index_out;
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u_int32_t flow_packets;
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u_int32_t flow_octets;
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u_int32_t flow_start;
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u_int32_t flow_finish;
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u_int16_t src_port;
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u_int16_t dest_port;
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u_int8_t pad1;
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u_int8_t tcp_flags;
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u_int8_t protocol;
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u_int8_t tos;
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u_int16_t src_as;
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u_int16_t dest_as;
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u_int8_t src_mask;
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u_int8_t dest_mask;
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u_int16_t pad2;
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} __packed;
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#ifdef _KERNEL
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extern int pflow_ok;
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struct pflow_softc {
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struct ifnet sc_if;
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struct ifnet *sc_pflow_ifp;
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unsigned int sc_count;
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unsigned int sc_maxcount;
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u_int64_t sc_gcounter;
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struct ip_moptions sc_imo;
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#ifdef __FreeBSD__
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struct callout sc_tmo;
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#else
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struct timeout sc_tmo;
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#endif
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struct in_addr sc_sender_ip;
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u_int16_t sc_sender_port;
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struct in_addr sc_receiver_ip;
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u_int16_t sc_receiver_port;
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struct mbuf *sc_mbuf; /* current cumulative mbuf */
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SLIST_ENTRY(pflow_softc) sc_next;
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};
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extern struct pflow_softc *pflowif;
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#endif /* _KERNEL */
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struct pflow_header {
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u_int16_t version;
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u_int16_t count;
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u_int32_t uptime_ms;
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u_int32_t time_sec;
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u_int32_t time_nanosec;
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u_int32_t flow_sequence;
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u_int8_t engine_type;
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u_int8_t engine_id;
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u_int8_t reserved1;
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u_int8_t reserved2;
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} __packed;
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#define PFLOW_HDRLEN sizeof(struct pflow_header)
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struct pflowstats {
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u_int64_t pflow_flows;
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u_int64_t pflow_packets;
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u_int64_t pflow_onomem;
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u_int64_t pflow_oerrors;
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};
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/*
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* Configuration structure for SIOCSETPFLOW SIOCGETPFLOW
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*/
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struct pflowreq {
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struct in_addr sender_ip;
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struct in_addr receiver_ip;
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u_int16_t receiver_port;
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u_int16_t addrmask;
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#define PFLOW_MASK_SRCIP 0x01
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#define PFLOW_MASK_DSTIP 0x02
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#define PFLOW_MASK_DSTPRT 0x04
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};
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#ifdef _KERNEL
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int export_pflow(struct pf_state *);
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int pflow_sysctl(int *, u_int, void *, size_t *, void *, size_t);
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#endif /* _KERNEL */
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#endif /* _NET_IF_PFLOW_H_ */
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