HAMMER 61E/Many: Stabilization, Performance
[dragonfly.git] / sys / netgraph7 / ng_tag.h
blob539d9bad04b114c5cc57466bd952bebdbff8ff89
1 /*-
2 * Copyright (c) 2006 Vadim Goncharov <vadimnuclight@tpu.ru>
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.
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.
27 * $FreeBSD: src/sys/netgraph/ng_tag.h,v 1.1 2006/06/27 12:45:28 glebius Exp $
28 * $DragonFly: src/sys/netgraph7/ng_tag.h,v 1.2 2008/06/26 23:05:35 dillon Exp $
31 #ifndef _NETGRAPH_NG_TAG_H_
32 #define _NETGRAPH_NG_TAG_H_
34 /* Node type name and magic cookie. */
35 #define NG_TAG_NODE_TYPE "tag"
36 #define NGM_TAG_COOKIE 1149771193
39 * The types of tag_cookie, tag_len and tag_id in structures below
40 * must be the same as corresponding members m_tag_cookie, m_tag_len
41 * and m_tag_id in struct m_tag (defined in <sys/mbuf.h>).
44 /* Tag match structure for every (input) hook. */
45 struct ng_tag_hookin {
46 char thisHook[NG_HOOKSIZ]; /* name of hook */
47 char ifMatch[NG_HOOKSIZ]; /* match dest hook */
48 char ifNotMatch[NG_HOOKSIZ]; /* !match dest hook */
49 uint8_t strip; /* strip tag if found */
50 uint32_t tag_cookie; /* ABI/Module ID */
51 uint16_t tag_id; /* tag ID */
52 uint16_t tag_len; /* length of data */
53 uint8_t tag_data[0]; /* tag data */
56 /* Tag set structure for every (output) hook. */
57 struct ng_tag_hookout {
58 char thisHook[NG_HOOKSIZ]; /* name of hook */
59 uint32_t tag_cookie; /* ABI/Module ID */
60 uint16_t tag_id; /* tag ID */
61 uint16_t tag_len; /* length of data */
62 uint8_t tag_data[0]; /* tag data */
65 #define NG_TAG_HOOKIN_SIZE(taglen) \
66 (sizeof(struct ng_tag_hookin) + (taglen))
68 #define NG_TAG_HOOKOUT_SIZE(taglen) \
69 (sizeof(struct ng_tag_hookout) + (taglen))
71 /* Keep this in sync with the above structures definitions. */
72 #define NG_TAG_HOOKIN_TYPE_INFO(tdtype) { \
73 { "thisHook", &ng_parse_hookbuf_type }, \
74 { "ifMatch", &ng_parse_hookbuf_type }, \
75 { "ifNotMatch", &ng_parse_hookbuf_type }, \
76 { "strip", &ng_parse_uint8_type }, \
77 { "tag_cookie", &ng_parse_uint32_type }, \
78 { "tag_id", &ng_parse_uint16_type }, \
79 { "tag_len", &ng_parse_uint16_type }, \
80 { "tag_data", (tdtype) }, \
81 { NULL } \
84 #define NG_TAG_HOOKOUT_TYPE_INFO(tdtype) { \
85 { "thisHook", &ng_parse_hookbuf_type }, \
86 { "tag_cookie", &ng_parse_uint32_type }, \
87 { "tag_id", &ng_parse_uint16_type }, \
88 { "tag_len", &ng_parse_uint16_type }, \
89 { "tag_data", (tdtype) }, \
90 { NULL } \
93 #ifdef NG_TAG_DEBUG
95 /* Statistics structure for one hook. */
96 struct ng_tag_hookstat {
97 uint64_t recvFrames;
98 uint64_t recvOctets;
99 uint64_t recvMatchFrames;
100 uint64_t recvMatchOctets;
101 uint64_t xmitFrames;
102 uint64_t xmitOctets;
105 /* Keep this in sync with the above structure definition. */
106 #define NG_TAG_HOOKSTAT_TYPE_INFO { \
107 { "recvFrames", &ng_parse_uint64_type }, \
108 { "recvOctets", &ng_parse_uint64_type }, \
109 { "recvMatchFrames", &ng_parse_uint64_type }, \
110 { "recvMatchOctets", &ng_parse_uint64_type }, \
111 { "xmitFrames", &ng_parse_uint64_type }, \
112 { "xmitOctets", &ng_parse_uint64_type }, \
113 { NULL } \
116 #endif /* NG_TAG_DEBUG */
118 /* Netgraph commands. */
119 enum {
120 NGM_TAG_SET_HOOKIN = 1, /* supply a struct ng_tag_hookin */
121 NGM_TAG_GET_HOOKIN, /* returns a struct ng_tag_hookin */
122 NGM_TAG_SET_HOOKOUT, /* supply a struct ng_tag_hookout */
123 NGM_TAG_GET_HOOKOUT, /* returns a struct ng_tag_hookout */
124 #ifdef NG_TAG_DEBUG
125 NGM_TAG_GET_STATS, /* supply name as char[NG_HOOKSIZ] */
126 NGM_TAG_CLR_STATS, /* supply name as char[NG_HOOKSIZ] */
127 NGM_TAG_GETCLR_STATS, /* supply name as char[NG_HOOKSIZ] */
128 #endif
131 #endif /* _NETGRAPH_NG_TAG_H_ */