1 /*-
2 * Copyright (c) 2006 Alexander Motin <mav@alkar.net>
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 unmodified, this list of conditions, and the following
10 * disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: src/sys/netgraph/ng_deflate.h,v 1.1 2006/12/28 15:44:05 glebius Exp $
28 */
29
30 #ifndef _NETGRAPH_NG_DEFLATE_H_
31 #define _NETGRAPH_NG_DEFLATE_H_
32
33 /* Node type name and magic cookie */
34 #define NG_DEFLATE_NODE_TYPE "deflate"
35 #define NGM_DEFLATE_COOKIE 1166642656
36
37 /* Hook names */
38 #define NG_DEFLATE_HOOK_COMP "comp" /* compression hook */
39 #define NG_DEFLATE_HOOK_DECOMP "decomp" /* decompression hook */
40
41 /* Config struct */
42 struct ng_deflate_config {
43 u_char enable; /* node enabled */
44 u_char windowBits; /* log2(Window size) */
45 };
46
47 /* Keep this in sync with the above structure definition. */
48 #define NG_DEFLATE_CONFIG_INFO { \
49 { "enable", &ng_parse_uint8_type }, \
50 { "windowBits", &ng_parse_uint8_type }, \
51 { NULL } \
52 }
53
54 /* Statistics structure for one direction. */
55 struct ng_deflate_stats {
56 uint64_t FramesPlain;
57 uint64_t FramesComp;
58 uint64_t FramesUncomp;
59 uint64_t InOctets;
60 uint64_t OutOctets;
61 uint64_t Errors;
62 };
63
64 /* Keep this in sync with the above structure definition. */
65 #define NG_DEFLATE_STATS_INFO { \
66 { "FramesPlain",&ng_parse_uint64_type }, \
67 { "FramesComp", &ng_parse_uint64_type }, \
68 { "FramesUncomp", &ng_parse_uint64_type }, \
69 { "InOctets", &ng_parse_uint64_type }, \
70 { "OutOctets", &ng_parse_uint64_type }, \
71 { "Errors", &ng_parse_uint64_type }, \
72 { NULL } \
73 }
74
75 /* Netgraph commands */
76 enum {
77 NGM_DEFLATE_CONFIG = 1,
78 NGM_DEFLATE_RESETREQ, /* sent either way! */
79 NGM_DEFLATE_GET_STATS,
80 NGM_DEFLATE_CLR_STATS,
81 NGM_DEFLATE_GETCLR_STATS,
82 };
83
84 #endif /* _NETGRAPH_NG_DEFLATE_H_ */
85
86
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