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37 * Author: Archie Cobbs <archie@freebsd.org>
39 * $FreeBSD: src/sys/netgraph/ng_async.h,v 1.6.2.3 2002/07/02 23:44:02 archie Exp $
40 * $DragonFly: src/sys/netgraph/async/ng_async.h,v 1.2 2003/06/17 04:28:49 dillon Exp $
41 * $Whistle: ng_async.h,v 1.5 1999/01/25 01:17:14 archie Exp $
44 #ifndef _NETGRAPH_ASYNC_H_
45 #define _NETGRAPH_ASYNC_H_
47 /* Type name and cookie */
48 #define NG_ASYNC_NODE_TYPE "async"
49 #define NGM_ASYNC_COOKIE 886473717
52 #define NG_ASYNC_HOOK_SYNC "sync" /* Sync frames */
53 #define NG_ASYNC_HOOK_ASYNC "async" /* Async-encoded frames */
55 /* Maximum receive size bounds (for both sync and async sides) */
56 #define NG_ASYNC_MIN_MRU 1
57 #define NG_ASYNC_MAX_MRU 8192
58 #define NG_ASYNC_DEFAULT_MRU 1600
60 /* Frame statistics */
61 struct ng_async_stat {
64 u_int32_t syncOverflows;
65 u_int32_t asyncOctets;
66 u_int32_t asyncFrames;
68 u_int32_t asyncOverflows;
69 u_int32_t asyncBadCheckSums;
72 /* Keep this in sync with the above structure definition */
73 #define NG_ASYNC_STATS_TYPE_INFO { \
74 { "syncOctets", &ng_parse_uint32_type }, \
75 { "syncFrames", &ng_parse_uint32_type }, \
76 { "syncOverflows", &ng_parse_uint32_type }, \
77 { "asyncOctets", &ng_parse_uint32_type }, \
78 { "asyncFrames", &ng_parse_uint32_type }, \
79 { "asyncRunts", &ng_parse_uint32_type }, \
80 { "asyncOverflows", &ng_parse_uint32_type }, \
81 { "asyncBadCheckSums",&ng_parse_uint32_type }, \
85 /* Configuration for this node */
87 u_char enabled; /* Turn encoding on/off */
88 u_int16_t amru; /* Max receive async frame length */
89 u_int16_t smru; /* Max receive sync frame length */
90 u_int32_t accm; /* ACCM encoding */
93 /* Keep this in sync with the above structure definition */
94 #define NG_ASYNC_CONFIG_TYPE_INFO { \
95 { "enabled", &ng_parse_int8_type }, \
96 { "amru", &ng_parse_uint16_type }, \
97 { "smru", &ng_parse_uint16_type }, \
98 { "accm", &ng_parse_hint32_type }, \
104 NGM_ASYNC_CMD_GET_STATS = 1, /* returns struct ng_async_stat */
105 NGM_ASYNC_CMD_CLR_STATS,
106 NGM_ASYNC_CMD_SET_CONFIG, /* takes struct ng_async_cfg */
107 NGM_ASYNC_CMD_GET_CONFIG, /* returns struct ng_async_cfg */
110 #endif /* _NETGRAPH_ASYNC_H_ */