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38 * Author: Archie Cobbs <archie@freebsd.org>
39 * $Whistle: ng_async.h,v 1.5 1999/01/25 01:17:14 archie Exp $
42 #ifndef _NETGRAPH_NG_ASYNC_H_
43 #define _NETGRAPH_NG_ASYNC_H_
45 /* Type name and cookie */
46 #define NG_ASYNC_NODE_TYPE "async"
47 #define NGM_ASYNC_COOKIE 886473717
50 #define NG_ASYNC_HOOK_SYNC "sync" /* Sync frames */
51 #define NG_ASYNC_HOOK_ASYNC "async" /* Async-encoded frames */
53 /* Maximum receive size bounds (for both sync and async sides) */
54 #define NG_ASYNC_MIN_MRU 1
55 #define NG_ASYNC_MAX_MRU 8192
56 #define NG_ASYNC_DEFAULT_MRU 1600
58 /* Frame statistics */
59 struct ng_async_stat {
62 u_int32_t syncOverflows;
63 u_int32_t asyncOctets;
64 u_int32_t asyncFrames;
66 u_int32_t asyncOverflows;
67 u_int32_t asyncBadCheckSums;
70 /* Keep this in sync with the above structure definition */
71 #define NG_ASYNC_STATS_TYPE_INFO { \
72 { "syncOctets", &ng_parse_uint32_type }, \
73 { "syncFrames", &ng_parse_uint32_type }, \
74 { "syncOverflows", &ng_parse_uint32_type }, \
75 { "asyncOctets", &ng_parse_uint32_type }, \
76 { "asyncFrames", &ng_parse_uint32_type }, \
77 { "asyncRunts", &ng_parse_uint32_type }, \
78 { "asyncOverflows", &ng_parse_uint32_type }, \
79 { "asyncBadCheckSums",&ng_parse_uint32_type }, \
83 /* Configuration for this node */
85 u_char enabled; /* Turn encoding on/off */
86 u_int16_t amru; /* Max receive async frame length */
87 u_int16_t smru; /* Max receive sync frame length */
88 u_int32_t accm; /* ACCM encoding */
91 /* Keep this in sync with the above structure definition */
92 #define NG_ASYNC_CONFIG_TYPE_INFO { \
93 { "enabled", &ng_parse_int8_type }, \
94 { "amru", &ng_parse_uint16_type }, \
95 { "smru", &ng_parse_uint16_type }, \
96 { "accm", &ng_parse_hint32_type }, \
102 NGM_ASYNC_CMD_GET_STATS = 1, /* returns struct ng_async_stat */
103 NGM_ASYNC_CMD_CLR_STATS,
104 NGM_ASYNC_CMD_SET_CONFIG, /* takes struct ng_async_cfg */
105 NGM_ASYNC_CMD_GET_CONFIG, /* returns struct ng_async_cfg */
108 #endif /* _NETGRAPH_NG_ASYNC_H_ */