xref: /freebsd/sys/netgraph/ng_pred1.h (revision 2b15cb3d0922bd70ea592f0da9b4a5b167f4d53f)
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  * $FreeBSD$
28  */
29 
30 #ifndef _NETGRAPH_NG_PRED1_H_
31 #define _NETGRAPH_NG_PRED1_H_
32 
33 /* Node type name and magic cookie */
34 #define NG_PRED1_NODE_TYPE	"pred1"
35 #define NGM_PRED1_COOKIE	1166902612
36 
37 /* Hook names */
38 #define NG_PRED1_HOOK_COMP	"comp"		/* compression hook */
39 #define NG_PRED1_HOOK_DECOMP	"decomp"	/* decompression hook */
40 
41 /* Config struct */
42 struct ng_pred1_config {
43 	u_char		enable;			/* node enabled */
44 };
45 
46 /* Keep this in sync with the above structure definition. */
47 #define NG_PRED1_CONFIG_INFO	{			\
48 	{ "enable",	&ng_parse_uint8_type	},	\
49 	{ NULL }					\
50 }
51 
52 /* Statistics structure for one direction. */
53 struct ng_pred1_stats {
54 	uint64_t	FramesPlain;
55 	uint64_t	FramesComp;
56 	uint64_t	FramesUncomp;
57 	uint64_t	InOctets;
58 	uint64_t	OutOctets;
59 	uint64_t	Errors;
60 };
61 
62 /* Keep this in sync with the above structure definition. */
63 #define NG_PRED1_STATS_INFO	{				\
64 	{ "FramesPlain",&ng_parse_uint64_type	},	\
65 	{ "FramesComp",	&ng_parse_uint64_type	},	\
66 	{ "FramesUncomp", &ng_parse_uint64_type	},	\
67 	{ "InOctets",	&ng_parse_uint64_type	},	\
68 	{ "OutOctets",	&ng_parse_uint64_type	},	\
69 	{ "Errors",	&ng_parse_uint64_type	},	\
70 	{ NULL }					\
71 }
72 
73 /* Netgraph commands */
74 enum {
75 	NGM_PRED1_CONFIG = 1,
76 	NGM_PRED1_RESETREQ,			/* sent either way! */
77 	NGM_PRED1_GET_STATS,
78 	NGM_PRED1_CLR_STATS,
79 	NGM_PRED1_GETCLR_STATS,
80 };
81 
82 #endif /* _NETGRAPH_NG_PRED1_H_ */
83 
84