1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* ng_async.h
*
* Copyright (c) 1996-1999 Whistle Communications, Inc.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty, use and
* redistribution of this software, in source or object code forms, with or
* without modifications are expressly permitted by Whistle Communications;
* provided, however, that:
* 1. Any and all reproductions of the source or object code must include the
* copyright notice above and the following disclaimer of warranties; and
* 2. No rights are granted, in any manner or form, to use Whistle
* Communications, Inc. trademarks, including the mark "WHISTLE
* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
* such appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Archie Cobbs <archie@whistle.com>
*
* $FreeBSD$
* $Whistle: ng_async.h,v 1.5 1999/01/25 01:17:14 archie Exp $
*/
#ifndef _NETGRAPH_ASYNC_H_
#define _NETGRAPH_ASYNC_H_
/* Type name and cookie */
#define NG_ASYNC_NODE_TYPE "async"
#define NGM_ASYNC_COOKIE 886473715
/* Hook names */
#define NG_ASYNC_HOOK_SYNC "sync" /* Normal encoding */
#define NG_ASYNC_HOOK_SYNC2 "sync2" /* Full ACCM, no ACF comp. */
#define NG_ASYNC_HOOK_ASYNC "async" /* Normal decoding */
/* Maximum receive size bounds (for both sync and async sides) */
#define NG_ASYNC_MIN_MRU 1
#define NG_ASYNC_MAX_MRU 8192
#define NG_ASYNC_DEFAULT_MRU 1600
/* Frame statistics */
struct ng_async_stat {
u_int32_t syncOctets;
u_int32_t syncFrames;
u_int32_t syncOverflows;
u_int32_t asyncOctets;
u_int32_t asyncFrames;
u_int32_t asyncRunts;
u_int32_t asyncOverflows;
u_int32_t asyncBadCheckSums;
};
/* Configuration for this node */
struct ng_async_cfg {
u_char enabled; /* Turn encoding on/off */
u_char acfcomp; /* Address/control field compression */
u_int16_t amru; /* Max receive async frame length */
u_int16_t smru; /* Max receive sync frame length */
u_int32_t accm; /* ACCM encoding */
};
/* Commands */
enum {
NGM_ASYNC_CMD_GET_STATS = 1, /* returns struct ng_async_stat */
NGM_ASYNC_CMD_CLR_STATS,
NGM_ASYNC_CMD_SET_CONFIG, /* takes struct ng_async_cfg */
NGM_ASYNC_CMD_GET_CONFIG, /* returns struct ng_async_cfg */
};
#endif /* _NETGRAPH_ASYNC_H_ */
|
