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/*-
* Copyright (C) 2010 by Maxim Ignatenko <gelraen.ua@gmail.com>
* 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, 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: release/9.1.0/sys/netgraph/ng_patch.h 208989 2010-06-10 16:45:30Z ae $
*/
#ifndef _NETGRAPH_NG_PATCH_H_
#define _NETGRAPH_NG_PATCH_H_
/* Node type name. */
#define NG_PATCH_NODE_TYPE "patch"
/* Node type cookie. */
#define NGM_PATCH_COOKIE 1262445509
/* Hook names */
#define NG_PATCH_HOOK_IN "in"
#define NG_PATCH_HOOK_OUT "out"
/* Netgraph commands understood by this node type */
enum {
NGM_PATCH_SETCONFIG = 1,
NGM_PATCH_GETCONFIG,
NGM_PATCH_GET_STATS,
NGM_PATCH_CLR_STATS,
NGM_PATCH_GETCLR_STATS
};
/* Patching modes */
enum {
NG_PATCH_MODE_SET = 1,
NG_PATCH_MODE_ADD = 2,
NG_PATCH_MODE_SUB = 3,
NG_PATCH_MODE_MUL = 4,
NG_PATCH_MODE_DIV = 5,
NG_PATCH_MODE_NEG = 6,
NG_PATCH_MODE_AND = 7,
NG_PATCH_MODE_OR = 8,
NG_PATCH_MODE_XOR = 9,
NG_PATCH_MODE_SHL = 10,
NG_PATCH_MODE_SHR = 11
};
struct ng_patch_op {
uint64_t value;
uint32_t offset;
uint16_t length; /* 1,2,4 or 8 (bytes) */
uint16_t mode;
};
#define NG_PATCH_OP_TYPE_INFO { \
{ "value", &ng_parse_uint64_type }, \
{ "offset", &ng_parse_uint32_type }, \
{ "length", &ng_parse_uint16_type }, \
{ "mode", &ng_parse_uint16_type }, \
{ NULL } \
}
struct ng_patch_config {
uint32_t count;
uint32_t csum_flags;
struct ng_patch_op ops[];
};
#define NG_PATCH_CONFIG_TYPE_INFO { \
{ "count", &ng_parse_uint32_type }, \
{ "csum_flags", &ng_parse_uint32_type }, \
{ "ops", &ng_patch_confarr_type }, \
{ NULL } \
}
struct ng_patch_stats {
uint64_t received;
uint64_t patched;
uint64_t dropped;
};
#define NG_PATCH_STATS_TYPE_INFO { \
{ "received", &ng_parse_uint64_type }, \
{ "patched", &ng_parse_uint64_type }, \
{ "dropped", &ng_parse_uint64_type }, \
{ NULL } \
}
#endif /* _NETGRAPH_NG_PATCH_H_ */