xref: /freebsd/sys/netgraph/ng_pred1.h (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2006 Alexander Motin <mav@alkar.net>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    disclaimer.
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.
16  *
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
27  * SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef _NETGRAPH_NG_PRED1_H_
33 #define _NETGRAPH_NG_PRED1_H_
34 
35 /* Node type name and magic cookie */
36 #define NG_PRED1_NODE_TYPE	"pred1"
37 #define NGM_PRED1_COOKIE	1166902612
38 
39 /* Hook names */
40 #define NG_PRED1_HOOK_COMP	"comp"		/* compression hook */
41 #define NG_PRED1_HOOK_DECOMP	"decomp"	/* decompression hook */
42 
43 /* Config struct */
44 struct ng_pred1_config {
45 	u_char		enable;			/* node enabled */
46 };
47 
48 /* Keep this in sync with the above structure definition. */
49 #define NG_PRED1_CONFIG_INFO	{			\
50 	{ "enable",	&ng_parse_uint8_type	},	\
51 	{ NULL }					\
52 }
53 
54 /* Statistics structure for one direction. */
55 struct ng_pred1_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_PRED1_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_PRED1_CONFIG = 1,
78 	NGM_PRED1_RESETREQ,			/* sent either way! */
79 	NGM_PRED1_GET_STATS,
80 	NGM_PRED1_CLR_STATS,
81 	NGM_PRED1_GETCLR_STATS,
82 };
83 
84 #endif /* _NETGRAPH_NG_PRED1_H_ */
85