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freebsd/sys/netgraph/ng_pred1.h
Gleb Smirnoff 700218c77b A node that implements Predictor-1 compression for PPP.
Submitted by:	Alexander Motin <mav alkar.net>
2006-12-29 09:54:32 +00:00

84 lines
2.7 KiB
C

/*-
* Copyright (c) 2006 Alexander Motin <mav@alkar.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _NETGRAPH_NG_PRED1_H_
#define _NETGRAPH_NG_PRED1_H_
/* Node type name and magic cookie */
#define NG_PRED1_NODE_TYPE "pred1"
#define NGM_PRED1_COOKIE 1166902612
/* Hook names */
#define NG_PRED1_HOOK_COMP "comp" /* compression hook */
#define NG_PRED1_HOOK_DECOMP "decomp" /* decompression hook */
/* Config struct */
struct ng_pred1_config {
u_char enable; /* node enabled */
};
/* Keep this in sync with the above structure definition. */
#define NG_PRED1_CONFIG_INFO { \
{ "enable", &ng_parse_uint8_type }, \
{ NULL } \
}
/* Statistics structure for one direction. */
struct ng_pred1_stats {
uint64_t FramesPlain;
uint64_t FramesComp;
uint64_t FramesUncomp;
uint64_t InOctets;
uint64_t OutOctets;
uint64_t Errors;
};
/* Keep this in sync with the above structure definition. */
#define NG_PRED1_STATS_INFO { \
{ "FramesPlain",&ng_parse_uint64_type }, \
{ "FramesComp", &ng_parse_uint64_type }, \
{ "FramesUncomp", &ng_parse_uint64_type }, \
{ "InOctets", &ng_parse_uint64_type }, \
{ "OutOctets", &ng_parse_uint64_type }, \
{ "Errors", &ng_parse_uint64_type }, \
{ NULL } \
}
/* Netgraph commands */
enum {
NGM_PRED1_CONFIG = 1,
NGM_PRED1_RESETREQ, /* sent either way! */
NGM_PRED1_GET_STATS,
NGM_PRED1_CLR_STATS,
NGM_PRED1_GETCLR_STATS,
};
#endif /* _NETGRAPH_NG_PRED1_H_ */