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39 * Author: Archie Cobbs <archie@freebsd.org>
42 * $Whistle: ng_vjc.h,v 1.6 1999/01/25 02:40:22 archie Exp $
45 #ifndef _NETGRAPH_NG_VJC_H_
46 #define _NETGRAPH_NG_VJC_H_
48 /* Node type name and magic cookie */
49 #define NG_VJC_NODE_TYPE "vjc"
50 #define NGM_VJC_COOKIE 868219210
53 #define NG_VJC_HOOK_IP "ip" /* normal IP traffic */
54 #define NG_VJC_HOOK_VJCOMP "vjcomp" /* compressed TCP */
55 #define NG_VJC_HOOK_VJUNCOMP "vjuncomp" /* uncompressed TCP */
56 #define NG_VJC_HOOK_VJIP "vjip" /* uncompressed IP */
58 /* Minimum and maximum number of compression channels */
59 #define NG_VJC_MIN_CHANNELS 4
60 #define NG_VJC_MAX_CHANNELS 16
62 /* Configure struct */
63 struct ngm_vjc_config
{
64 u_char enableComp
; /* Enable compression */
65 u_char enableDecomp
; /* Enable decompression */
66 u_char maxChannel
; /* Number of compression channels - 1 */
67 u_char compressCID
; /* OK to compress outgoing CID's */
70 /* Keep this in sync with the above structure definition */
71 #define NG_VJC_CONFIG_TYPE_INFO { \
72 { "enableComp", &ng_parse_uint8_type }, \
73 { "enableDecomp", &ng_parse_uint8_type }, \
74 { "maxChannel", &ng_parse_uint8_type }, \
75 { "compressCID", &ng_parse_uint8_type }, \
79 /* Netgraph commands */
81 NGM_VJC_SET_CONFIG
, /* Supply a struct ngm_vjc_config */
82 NGM_VJC_GET_CONFIG
, /* Returns a struct ngm_vjc_config */
83 NGM_VJC_GET_STATE
, /* Returns current struct slcompress */
84 NGM_VJC_CLR_STATS
, /* Clears statistics counters */
85 NGM_VJC_RECV_ERROR
, /* Indicate loss of incoming frame */
88 #endif /* _NETGRAPH_NG_VJC_H_ */