yafrag.h
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1/*
2 * Copyright 2006-2023 Carnegie Mellon University
3 * See license information in LICENSE.txt.
4 */
5/*
6 * yafrag.h
7 * YAF Active Fragment Table
8 *
9 * ------------------------------------------------------------------------
10 * Authors: Brian Trammell
11 * ------------------------------------------------------------------------
12 * @DISTRIBUTION_STATEMENT_BEGIN@
13 * YAF 2.15.0
14 *
15 * Copyright 2023 Carnegie Mellon University.
16 *
17 * NO WARRANTY. THIS CARNEGIE MELLON UNIVERSITY AND SOFTWARE ENGINEERING
18 * INSTITUTE MATERIAL IS FURNISHED ON AN "AS-IS" BASIS. CARNEGIE MELLON
19 * UNIVERSITY MAKES NO WARRANTIES OF ANY KIND, EITHER EXPRESSED OR IMPLIED,
20 * AS TO ANY MATTER INCLUDING, BUT NOT LIMITED TO, WARRANTY OF FITNESS FOR
21 * PURPOSE OR MERCHANTABILITY, EXCLUSIVITY, OR RESULTS OBTAINED FROM USE OF
22 * THE MATERIAL. CARNEGIE MELLON UNIVERSITY DOES NOT MAKE ANY WARRANTY OF
23 * ANY KIND WITH RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT
24 * INFRINGEMENT.
25 *
26 * Licensed under a GNU GPL 2.0-style license, please see LICENSE.txt or
27 * contact permission@sei.cmu.edu for full terms.
28 *
29 * [DISTRIBUTION STATEMENT A] This material has been approved for public
30 * release and unlimited distribution. Please see Copyright notice for
31 * non-US Government use and distribution.
32 *
33 * GOVERNMENT PURPOSE RIGHTS - Software and Software Documentation
34 * Contract No.: FA8702-15-D-0002
35 * Contractor Name: Carnegie Mellon University
36 * Contractor Address: 4500 Fifth Avenue, Pittsburgh, PA 15213
37 *
38 * The Government's rights to use, modify, reproduce, release, perform,
39 * display, or disclose this software are restricted by paragraph (b)(2) of
40 * the Rights in Noncommercial Computer Software and Noncommercial Computer
41 * Software Documentation clause contained in the above identified
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50 * @DISTRIBUTION_STATEMENT_END@
51 * ------------------------------------------------------------------------
52 */
53
62#ifndef _YAF_FRAG_H_
63#define _YAF_FRAG_H_
64
65#include <yaf/autoinc.h>
66#include <yaf/decode.h>
67#include <yaf/yafcore.h>
68
69struct yfFragTab_st;
74typedef struct yfFragTab_st yfFragTab_t;
75
96 uint32_t idle_ms,
97 uint32_t max_frags,
98 uint32_t max_payload);
99
105void
107 yfFragTab_t *fragtab);
108
130gboolean
132 yfFragTab_t *fragtab,
133 yfIPFragInfo_t *fraginfo,
134 size_t pbuflen,
135 yfPBuf_t *pbuf,
136 const uint8_t *pkt,
137 size_t hdr_len);
138
145void
147 yfFragTab_t *fragtab,
148 uint64_t packetTotal);
149
158void
160 yfFragTab_t *fragtab,
161 uint32_t *dropped,
162 uint32_t *assembled,
163 uint32_t *frags);
164
165#endif /* ifndef _YAF_FRAG_H_ */
Fragmentation information structure.
Definition decode.h:79
Full packet information structure.
Definition decode.h:146
YAF Core Library.
void yfFragTabFree(yfFragTab_t *fragtab)
Free a fragment table.
void yfFragDumpStats(yfFragTab_t *fragtab, uint64_t packetTotal)
Print fragment reassembler statistics to the log.
void yfGetFragTabStats(yfFragTab_t *fragtab, uint32_t *dropped, uint32_t *assembled, uint32_t *frags)
Get Frag Stats to yfWriteStatsFlow for Stats Export.
struct yfFragTab_st yfFragTab_t
A fragment table.
Definition yafrag.h:74
yfFragTab_t * yfFragTabAlloc(uint32_t idle_ms, uint32_t max_frags, uint32_t max_payload)
Allocate a fragment table.
gboolean yfDefragPBuf(yfFragTab_t *fragtab, yfIPFragInfo_t *fraginfo, size_t pbuflen, yfPBuf_t *pbuf, const uint8_t *pkt, size_t hdr_len)
Defragment a fragment returned by yfDecodeToPBuf().