diff options
Diffstat (limited to 'sys/net/if_pflow.h')
| -rw-r--r-- | sys/net/if_pflow.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/sys/net/if_pflow.h b/sys/net/if_pflow.h new file mode 100644 index 00000000000..cd9d2dcc145 --- /dev/null +++ b/sys/net/if_pflow.h @@ -0,0 +1,123 @@ +/* $OpenBSD: if_pflow.h,v 1.1 2008/09/09 13:56:39 henning Exp $ */ + +/* + * Copyright (c) 2008 Henning Brauer <henning@openbsd.org> + * Copyright (c) 2008 Joerg Goltermann <jg@osn.de> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _NET_IF_PFLOW_H_ +#define _NET_IF_PFLOW_H_ + +#define PFLOW_ID_LEN sizeof(u_int64_t) + +#define PFLOW_MAXFLOWS 30 +#define PFLOW_VERSION 5 +#define PFLOW_ENGINE_TYPE 42 +#define PFLOW_ENGINE_ID 42 +#define PFLOW_MAXBYTES 0xffffffff +#define PFLOW_TIMEOUT 30 + +struct pflow_flow { + u_int32_t src_ip; + u_int32_t dest_ip; + u_int32_t nexthop_ip; + u_int16_t if_index_in; + u_int16_t if_index_out; + u_int32_t flow_packets; + u_int32_t flow_octets; + u_int32_t flow_start; + u_int32_t flow_finish; + u_int16_t src_port; + u_int16_t dest_port; + u_int8_t pad1; + u_int8_t tcp_flags; + u_int8_t protocol; + u_int8_t tos; + u_int16_t src_as; + u_int16_t dest_as; + u_int8_t src_mask; + u_int8_t dest_mask; + u_int16_t pad2; +} __packed; + +#ifdef _KERNEL + +extern int pflow_ok; + +union sc_flowp { + struct pflow_flow *s; +}; + +struct pflow_softc { + struct ifnet sc_if; + struct ifnet *sc_pflow_ifp; + + unsigned int sc_count; + unsigned int sc_maxcount; + u_int32_t sc_gcounter; + struct ip_moptions sc_imo; + struct timeout sc_tmo; + struct in_addr sc_sender_ip; + u_int16_t sc_sender_port; + struct in_addr sc_receiver_ip; + u_int16_t sc_receiver_port; + union sc_flowp sc_flowp; + struct mbuf *sc_mbuf; /* current cumulative mbuf */ +}; + +extern struct pflow_softc *pflowif; + +#endif /* _KERNEL */ + +struct pflow_header { + u_int16_t version; + u_int16_t count; + u_int32_t uptime_ms; + u_int32_t time_sec; + u_int32_t time_nanosec; + u_int32_t flow_sequence; + u_int8_t engine_type; + u_int8_t engine_id; + u_int8_t reserved1; + u_int8_t reserved2; +} __packed; + +#define PFLOW_HDRLEN sizeof(struct pflow_header) + +struct pflowstats { + u_int64_t pflow_flows; + u_int64_t pflow_packets; + u_int64_t pflow_onomem; + u_int64_t pflow_oerrors; +}; + +/* + * Configuration structure for SIOCSETPFLOW SIOCGETPFLOW + */ +struct pflowreq { + struct in_addr sender_ip; + struct in_addr receiver_ip; + u_int16_t receiver_port; + u_int16_t addrmask; +#define PFLOW_MASK_SRCIP 0x01 +#define PFLOW_MASK_DSTIP 0x02 +#define PFLOW_MASK_DSTPRT 0x04 +}; + +#ifdef _KERNEL +int export_pflow(struct pf_state *); +#endif /* _KERNEL */ + +#endif /* _NET_IF_PFLOW_H_ */ |