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-rw-r--r--include/linux/ppp-comp.h86
1 files changed, 2 insertions, 84 deletions
diff --git a/include/linux/ppp-comp.h b/include/linux/ppp-comp.h
index b7dc06f7f1d1..4ea1d377e1ad 100644
--- a/include/linux/ppp-comp.h
+++ b/include/linux/ppp-comp.h
@@ -10,7 +10,8 @@
10#ifndef _NET_PPP_COMP_H 10#ifndef _NET_PPP_COMP_H
11#define _NET_PPP_COMP_H 11#define _NET_PPP_COMP_H
12 12
13#ifdef __KERNEL__ 13#include <uapi/linux/ppp-comp.h>
14
14 15
15struct module; 16struct module;
16 17
@@ -100,89 +101,6 @@ struct compressor {
100#define DECOMP_ERROR -1 /* error detected before decomp. */ 101#define DECOMP_ERROR -1 /* error detected before decomp. */
101#define DECOMP_FATALERROR -2 /* error detected after decomp. */ 102#define DECOMP_FATALERROR -2 /* error detected after decomp. */
102 103
103#endif /* __KERNEL__ */
104
105/*
106 * CCP codes.
107 */
108
109#define CCP_CONFREQ 1
110#define CCP_CONFACK 2
111#define CCP_TERMREQ 5
112#define CCP_TERMACK 6
113#define CCP_RESETREQ 14
114#define CCP_RESETACK 15
115
116/*
117 * Max # bytes for a CCP option
118 */
119
120#define CCP_MAX_OPTION_LENGTH 32
121
122/*
123 * Parts of a CCP packet.
124 */
125
126#define CCP_CODE(dp) ((dp)[0])
127#define CCP_ID(dp) ((dp)[1])
128#define CCP_LENGTH(dp) (((dp)[2] << 8) + (dp)[3])
129#define CCP_HDRLEN 4
130
131#define CCP_OPT_CODE(dp) ((dp)[0])
132#define CCP_OPT_LENGTH(dp) ((dp)[1])
133#define CCP_OPT_MINLEN 2
134
135/*
136 * Definitions for BSD-Compress.
137 */
138
139#define CI_BSD_COMPRESS 21 /* config. option for BSD-Compress */
140#define CILEN_BSD_COMPRESS 3 /* length of config. option */
141
142/* Macros for handling the 3rd byte of the BSD-Compress config option. */
143#define BSD_NBITS(x) ((x) & 0x1F) /* number of bits requested */
144#define BSD_VERSION(x) ((x) >> 5) /* version of option format */
145#define BSD_CURRENT_VERSION 1 /* current version number */
146#define BSD_MAKE_OPT(v, n) (((v) << 5) | (n))
147
148#define BSD_MIN_BITS 9 /* smallest code size supported */
149#define BSD_MAX_BITS 15 /* largest code size supported */
150
151/*
152 * Definitions for Deflate.
153 */
154
155#define CI_DEFLATE 26 /* config option for Deflate */
156#define CI_DEFLATE_DRAFT 24 /* value used in original draft RFC */
157#define CILEN_DEFLATE 4 /* length of its config option */
158
159#define DEFLATE_MIN_SIZE 9
160#define DEFLATE_MAX_SIZE 15
161#define DEFLATE_METHOD_VAL 8
162#define DEFLATE_SIZE(x) (((x) >> 4) + 8)
163#define DEFLATE_METHOD(x) ((x) & 0x0F)
164#define DEFLATE_MAKE_OPT(w) ((((w) - 8) << 4) + DEFLATE_METHOD_VAL)
165#define DEFLATE_CHK_SEQUENCE 0
166
167/*
168 * Definitions for MPPE.
169 */
170
171#define CI_MPPE 18 /* config option for MPPE */
172#define CILEN_MPPE 6 /* length of config option */
173
174/*
175 * Definitions for other, as yet unsupported, compression methods.
176 */
177
178#define CI_PREDICTOR_1 1 /* config option for Predictor-1 */
179#define CILEN_PREDICTOR_1 2 /* length of its config option */
180#define CI_PREDICTOR_2 2 /* config option for Predictor-2 */
181#define CILEN_PREDICTOR_2 2 /* length of its config option */
182
183#ifdef __KERNEL__
184extern int ppp_register_compressor(struct compressor *); 104extern int ppp_register_compressor(struct compressor *);
185extern void ppp_unregister_compressor(struct compressor *); 105extern void ppp_unregister_compressor(struct compressor *);
186#endif /* __KERNEL__ */
187
188#endif /* _NET_PPP_COMP_H */ 106#endif /* _NET_PPP_COMP_H */