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39 * Author: Archie Cobbs <archie@freebsd.org>
42 * $Whistle: ng_tee.h,v 1.2 1999/01/20 00:22:14 archie Exp $
45 #ifndef _NETGRAPH_NG_TEE_H_
46 #define _NETGRAPH_NG_TEE_H_
48 /* Node type name and magic cookie */
49 #define NG_TEE_NODE_TYPE "tee"
50 #define NGM_TEE_COOKIE 916107047
53 #define NG_TEE_HOOK_RIGHT "right"
54 #define NG_TEE_HOOK_LEFT "left"
55 #define NG_TEE_HOOK_RIGHT2LEFT "right2left"
56 #define NG_TEE_HOOK_LEFT2RIGHT "left2right"
58 /* Statistics structure for one hook */
59 struct ng_tee_hookstat {
66 /* Keep this in sync with the above structure definition */
67 #define NG_TEE_HOOKSTAT_INFO { \
68 { "inOctets", &ng_parse_uint64_type }, \
69 { "inFrames", &ng_parse_uint64_type }, \
70 { "outOctets", &ng_parse_uint64_type }, \
71 { "outFrames", &ng_parse_uint64_type }, \
75 /* Statistics structure returned by NGM_TEE_GET_STATS */
77 struct ng_tee_hookstat right;
78 struct ng_tee_hookstat left;
79 struct ng_tee_hookstat right2left;
80 struct ng_tee_hookstat left2right;
83 /* Keep this in sync with the above structure definition */
84 #define NG_TEE_STATS_INFO(hstype) { \
85 { "right", (hstype) }, \
86 { "left", (hstype) }, \
87 { "right2left", (hstype) }, \
88 { "left2right", (hstype) }, \
92 /* Netgraph commands */
94 NGM_TEE_GET_STATS = 1, /* get stats */
95 NGM_TEE_CLR_STATS, /* clear stats */
96 NGM_TEE_GETCLR_STATS, /* atomically get and clear stats */
99 #endif /* _NETGRAPH_NG_TEE_H_ */