1 /*
2  * Copyright 2001 Niels Provos <provos@citi.umich.edu>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 #ifndef _NET_NPF_IF_NPFLOG_H_
26 #define _NET_NPF_IF_NPFLOG_H_
27 
28 #ifndef _KERNEL
29 #error "not supposed to be exposed to userland"
30 #endif
31 
32 #define NPFLOG_RULESET_NAME_SIZE        16
33 
34 /*
35  * For now, we use a header compatible with pflog.
36  * This will be improved in the future.
37  */
38 
39 struct npfloghdr {
40           uint8_t             length;
41           sa_family_t         af;
42           uint8_t             action;
43           uint8_t             reason;
44           char                ifname[IFNAMSIZ];
45           char                ruleset[NPFLOG_RULESET_NAME_SIZE];
46           uint32_t  rulenr;
47           uint32_t  subrulenr;
48           uint32_t  uid;
49           uint32_t  pid;
50           uint32_t  rule_uid;
51           uint32_t  rule_pid;
52           uint8_t             dir;
53           uint8_t             pad[3];
54 };
55 
56 #define DLT_NPFLOG  DLT_PFLOG
57 
58 #define NPFLOG_HDRLEN                   sizeof(struct npfloghdr)
59 #define NPFLOG_REAL_HDRLEN    offsetof(struct npfloghdr, pad)
60 
61 #endif /* _NET_NPF_IF_NPFLOG_H_ */
62