2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2006 Alexander Motin <mav@alkar.net>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #ifndef _NETGRAPH_NG_DEFLATE_H_
33 #define _NETGRAPH_NG_DEFLATE_H_
35 /* Node type name and magic cookie */
36 #define NG_DEFLATE_NODE_TYPE "deflate"
37 #define NGM_DEFLATE_COOKIE 1166642656
40 #define NG_DEFLATE_HOOK_COMP "comp" /* compression hook */
41 #define NG_DEFLATE_HOOK_DECOMP "decomp" /* decompression hook */
44 struct ng_deflate_config {
45 u_char enable; /* node enabled */
46 u_char windowBits; /* log2(Window size) */
49 /* Keep this in sync with the above structure definition. */
50 #define NG_DEFLATE_CONFIG_INFO { \
51 { "enable", &ng_parse_uint8_type }, \
52 { "windowBits", &ng_parse_uint8_type }, \
56 /* Statistics structure for one direction. */
57 struct ng_deflate_stats {
60 uint64_t FramesUncomp;
66 /* Keep this in sync with the above structure definition. */
67 #define NG_DEFLATE_STATS_INFO { \
68 { "FramesPlain",&ng_parse_uint64_type }, \
69 { "FramesComp", &ng_parse_uint64_type }, \
70 { "FramesUncomp", &ng_parse_uint64_type }, \
71 { "InOctets", &ng_parse_uint64_type }, \
72 { "OutOctets", &ng_parse_uint64_type }, \
73 { "Errors", &ng_parse_uint64_type }, \
77 /* Netgraph commands */
79 NGM_DEFLATE_CONFIG = 1,
80 NGM_DEFLATE_RESETREQ, /* sent either way! */
81 NGM_DEFLATE_GET_STATS,
82 NGM_DEFLATE_CLR_STATS,
83 NGM_DEFLATE_GETCLR_STATS,
86 #endif /* _NETGRAPH_NG_DEFLATE_H_ */