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37 * Author: Archie Cobbs <archie@freebsd.org>
40 * $Whistle: ng_vjc.h,v 1.6 1999/01/25 02:40:22 archie Exp $
43 #ifndef _NETGRAPH_VJC_H_
44 #define _NETGRAPH_VJC_H_
46 /* Node type name and magic cookie */
47 #define NG_VJC_NODE_TYPE "vjc"
48 #define NGM_VJC_COOKIE 868219210
51 #define NG_VJC_HOOK_IP "ip" /* normal IP traffic */
52 #define NG_VJC_HOOK_VJCOMP "vjcomp" /* compressed TCP */
53 #define NG_VJC_HOOK_VJUNCOMP "vjuncomp" /* uncompressed TCP */
54 #define NG_VJC_HOOK_VJIP "vjip" /* uncompressed IP */
56 /* Minimum and maximum number of compression channels */
57 #define NG_VJC_MIN_CHANNELS 4
58 #define NG_VJC_MAX_CHANNELS 16
60 /* Configure struct */
61 struct ngm_vjc_config {
62 u_char enableComp; /* Enable compression */
63 u_char enableDecomp; /* Enable decompression */
64 u_char maxChannel; /* Number of compression channels - 1 */
65 u_char compressCID; /* OK to compress outgoing CID's */
68 /* Keep this in sync with the above structure definition */
69 #define NG_VJC_CONFIG_TYPE_INFO { \
71 { "enableComp", &ng_parse_uint8_type }, \
72 { "enableDecomp", &ng_parse_uint8_type }, \
73 { "maxChannel", &ng_parse_uint8_type }, \
74 { "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_VJC_H_ */