diff options
| author | Paul Mackerras <paulus@samba.org> | 1995-04-24 02:41:37 +0000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 1995-04-24 02:41:37 +0000 |
| commit | 4e8378004c3f7b84cd84aaad7cadd61f7af4b72f (patch) | |
| tree | d88c00a3aa60e2e7b519876550df820d838abab1 /include | |
| parent | a09af83c5c266e155851e6dee0e87793ee5afd5f (diff) | |
| download | ppp-4e8378004c3f7b84cd84aaad7cadd61f7af4b72f.tar.gz | |
added definitions for BSD-Compress and some if[n]defs
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/ppp-comp.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/include/net/ppp-comp.h b/include/net/ppp-comp.h index 0dc5d1d..b97ff3c 100644 --- a/include/net/ppp-comp.h +++ b/include/net/ppp-comp.h @@ -24,9 +24,13 @@ * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, * OR MODIFICATIONS. * - * $Id: ppp-comp.h,v 1.5 1994/12/05 00:33:33 paulus Exp $ + * $Id: ppp-comp.h,v 1.6 1995/04/24 02:41:37 paulus Exp $ */ +#ifndef _NET_PPP_COMP_H +#define _NET_PPP_COMP_H + +#ifdef PACKETPTR /* * Structure giving methods for compression/decompression. */ @@ -39,7 +43,7 @@ struct compressor { void (*comp_free) __P((void *state)); /* Initialize a compressor */ int (*comp_init) __P((void *state, u_char *options, int opt_len, - int unit, int debug)); + int unit, int hdrlen, int debug)); /* Reset a compressor */ void (*comp_reset) __P((void *state)); /* Compress a packet */ @@ -65,6 +69,7 @@ struct compressor { /* Return decompression statistics */ void (*decomp_stat) __P((void *state, struct compstat *stats)); }; +#endif /* PACKETPTR */ /* * Return values for decompress routine. @@ -105,3 +110,19 @@ struct compressor { #define CCP_OPT_LENGTH(dp) ((dp)[1]) #define CCP_OPT_MINLEN 2 +/* + * Definitions for BSD-Compress. + */ +#define CI_BSD_COMPRESS 21 /* config. option for BSD-Compress */ +#define CILEN_BSD_COMPRESS 3 /* length of config. option */ + +/* Macros for handling the 3rd byte of the BSD-Compress config option. */ +#define BSD_NBITS(x) ((x) & 0x1F) /* number of bits requested */ +#define BSD_VERSION(x) ((x) >> 5) /* version of option format */ +#define BSD_CURRENT_VERSION 1 /* current version number */ +#define BSD_MAKE_OPT(v, n) (((v) << 5) | (n)) + +#define BSD_MIN_BITS 9 /* smallest code size supported */ +#define BSD_MAX_BITS 15 /* largest code size supported */ + +#endif /* _NET_PPP_COMP_H */ |