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37 * Author: Archie Cobbs <archie@freebsd.org>
40 * $Whistle: ng_async.h,v 1.5 1999/01/25 01:17:14 archie Exp $
43 #ifndef _NETGRAPH_ASYNC_H_
44 #define _NETGRAPH_ASYNC_H_
46 /* Type name and cookie */
47 #define NG_ASYNC_NODE_TYPE "async"
48 #define NGM_ASYNC_COOKIE 886473717
51 #define NG_ASYNC_HOOK_SYNC "sync" /* Sync frames */
52 #define NG_ASYNC_HOOK_ASYNC "async" /* Async-encoded frames */
54 /* Maximum receive size bounds (for both sync and async sides) */
55 #define NG_ASYNC_MIN_MRU 1
56 #define NG_ASYNC_MAX_MRU 8192
57 #define NG_ASYNC_DEFAULT_MRU 1600
59 /* Frame statistics */
60 struct ng_async_stat {
63 u_int32_t syncOverflows;
64 u_int32_t asyncOctets;
65 u_int32_t asyncFrames;
67 u_int32_t asyncOverflows;
68 u_int32_t asyncBadCheckSums;
71 /* Keep this in sync with the above structure definition */
72 #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 }, \
86 /* Configuration for this node */
88 u_char enabled; /* Turn encoding on/off */
89 u_int16_t amru; /* Max receive async frame length */
90 u_int16_t smru; /* Max receive sync frame length */
91 u_int32_t accm; /* ACCM encoding */
94 /* Keep this in sync with the above structure definition */
95 #define NG_ASYNC_CONFIG_TYPE_INFO { \
97 { "enabled", &ng_parse_int8_type }, \
98 { "amru", &ng_parse_uint16_type }, \
99 { "smru", &ng_parse_uint16_type }, \
100 { "accm", &ng_parse_hint32_type }, \
107 NGM_ASYNC_CMD_GET_STATS = 1, /* returns struct ng_async_stat */
108 NGM_ASYNC_CMD_CLR_STATS,
109 NGM_ASYNC_CMD_SET_CONFIG, /* takes struct ng_async_cfg */
110 NGM_ASYNC_CMD_GET_CONFIG, /* returns struct ng_async_cfg */
113 #endif /* _NETGRAPH_ASYNC_H_ */