1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * ppp-comp.h - Definitions for doing PPP packet compression. 24*7c478bd9Sstevel@tonic-gate * 25*7c478bd9Sstevel@tonic-gate * Copyright (c) 2000 by Sun Microsystems, Inc. 26*7c478bd9Sstevel@tonic-gate * All rights reserved. 27*7c478bd9Sstevel@tonic-gate * 28*7c478bd9Sstevel@tonic-gate * Copyright (c) 1994 The Australian National University. 29*7c478bd9Sstevel@tonic-gate * All rights reserved. 30*7c478bd9Sstevel@tonic-gate * 31*7c478bd9Sstevel@tonic-gate * Permission to use, copy, modify, and distribute this software and its 32*7c478bd9Sstevel@tonic-gate * documentation is hereby granted, provided that the above copyright 33*7c478bd9Sstevel@tonic-gate * notice appears in all copies. This software is provided without any 34*7c478bd9Sstevel@tonic-gate * warranty, express or implied. The Australian National University 35*7c478bd9Sstevel@tonic-gate * makes no representations about the suitability of this software for 36*7c478bd9Sstevel@tonic-gate * any purpose. 37*7c478bd9Sstevel@tonic-gate * 38*7c478bd9Sstevel@tonic-gate * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY 39*7c478bd9Sstevel@tonic-gate * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 40*7c478bd9Sstevel@tonic-gate * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF 41*7c478bd9Sstevel@tonic-gate * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY 42*7c478bd9Sstevel@tonic-gate * OF SUCH DAMAGE. 43*7c478bd9Sstevel@tonic-gate * 44*7c478bd9Sstevel@tonic-gate * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, 45*7c478bd9Sstevel@tonic-gate * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 46*7c478bd9Sstevel@tonic-gate * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 47*7c478bd9Sstevel@tonic-gate * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO 48*7c478bd9Sstevel@tonic-gate * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, 49*7c478bd9Sstevel@tonic-gate * OR MODIFICATIONS. 50*7c478bd9Sstevel@tonic-gate * 51*7c478bd9Sstevel@tonic-gate * $Id: ppp-comp.h,v 1.11 1998/03/25 03:33:34 paulus Exp $ 52*7c478bd9Sstevel@tonic-gate */ 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate #ifndef _NET_PPP_COMP_H 55*7c478bd9Sstevel@tonic-gate #define _NET_PPP_COMP_H 56*7c478bd9Sstevel@tonic-gate 57*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 58*7c478bd9Sstevel@tonic-gate 59*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 60*7c478bd9Sstevel@tonic-gate extern "C" { 61*7c478bd9Sstevel@tonic-gate #endif 62*7c478bd9Sstevel@tonic-gate 63*7c478bd9Sstevel@tonic-gate /* 64*7c478bd9Sstevel@tonic-gate * The following symbols control whether we include code for 65*7c478bd9Sstevel@tonic-gate * various compression methods. 66*7c478bd9Sstevel@tonic-gate */ 67*7c478bd9Sstevel@tonic-gate #ifndef DO_BSD_COMPRESS 68*7c478bd9Sstevel@tonic-gate #define DO_BSD_COMPRESS 1 /* by default, include BSD-Compress */ 69*7c478bd9Sstevel@tonic-gate #endif 70*7c478bd9Sstevel@tonic-gate #ifndef DO_DEFLATE 71*7c478bd9Sstevel@tonic-gate #define DO_DEFLATE 1 /* by default, include Deflate */ 72*7c478bd9Sstevel@tonic-gate #endif 73*7c478bd9Sstevel@tonic-gate #define DO_PREDICTOR_1 0 74*7c478bd9Sstevel@tonic-gate #define DO_PREDICTOR_2 0 75*7c478bd9Sstevel@tonic-gate 76*7c478bd9Sstevel@tonic-gate /* 77*7c478bd9Sstevel@tonic-gate * Structure giving methods for compression/decompression. 78*7c478bd9Sstevel@tonic-gate */ 79*7c478bd9Sstevel@tonic-gate #ifdef PACKETPTR 80*7c478bd9Sstevel@tonic-gate struct compressor { 81*7c478bd9Sstevel@tonic-gate int compress_proto; /* CCP compression protocol number */ 82*7c478bd9Sstevel@tonic-gate 83*7c478bd9Sstevel@tonic-gate /* Allocate space for a compressor (transmit side) */ 84*7c478bd9Sstevel@tonic-gate void *(*comp_alloc) __P((uchar_t *options, int opt_len)); 85*7c478bd9Sstevel@tonic-gate /* Free space used by a compressor */ 86*7c478bd9Sstevel@tonic-gate void (*comp_free) __P((void *state)); 87*7c478bd9Sstevel@tonic-gate /* Initialize a compressor */ 88*7c478bd9Sstevel@tonic-gate int (*comp_init) __P((void *state, uchar_t *options, int opt_len, 89*7c478bd9Sstevel@tonic-gate int unit, int hdrlen, int debug)); 90*7c478bd9Sstevel@tonic-gate /* Reset a compressor */ 91*7c478bd9Sstevel@tonic-gate void (*comp_reset) __P((void *state)); 92*7c478bd9Sstevel@tonic-gate /* Compress a packet */ 93*7c478bd9Sstevel@tonic-gate int (*compress) __P((void *state, PACKETPTR *mret, 94*7c478bd9Sstevel@tonic-gate PACKETPTR mp, int orig_len, int max_len)); 95*7c478bd9Sstevel@tonic-gate /* Return compression statistics */ 96*7c478bd9Sstevel@tonic-gate void (*comp_stat) __P((void *state, struct compstat *stats)); 97*7c478bd9Sstevel@tonic-gate 98*7c478bd9Sstevel@tonic-gate /* Allocate space for a decompressor (receive side) */ 99*7c478bd9Sstevel@tonic-gate void *(*decomp_alloc) __P((uchar_t *options, int opt_len)); 100*7c478bd9Sstevel@tonic-gate /* Free space used by a decompressor */ 101*7c478bd9Sstevel@tonic-gate void (*decomp_free) __P((void *state)); 102*7c478bd9Sstevel@tonic-gate /* Initialize a decompressor */ 103*7c478bd9Sstevel@tonic-gate int (*decomp_init) __P((void *state, uchar_t *options, int opt_len, 104*7c478bd9Sstevel@tonic-gate int unit, int hdrlen, int mru, int debug)); 105*7c478bd9Sstevel@tonic-gate /* Reset a decompressor */ 106*7c478bd9Sstevel@tonic-gate void (*decomp_reset) __P((void *state)); 107*7c478bd9Sstevel@tonic-gate /* Decompress a packet. */ 108*7c478bd9Sstevel@tonic-gate int (*decompress) __P((void *state, PACKETPTR *mp)); 109*7c478bd9Sstevel@tonic-gate /* Update state for an incompressible packet received */ 110*7c478bd9Sstevel@tonic-gate int (*incomp) __P((void *state, PACKETPTR mp)); 111*7c478bd9Sstevel@tonic-gate /* Return decompression statistics */ 112*7c478bd9Sstevel@tonic-gate void (*decomp_stat) __P((void *state, struct compstat *stats)); 113*7c478bd9Sstevel@tonic-gate 114*7c478bd9Sstevel@tonic-gate /* Set or change compression effort level */ 115*7c478bd9Sstevel@tonic-gate int (*set_effort) __P((void *xstate, void *rstate, 116*7c478bd9Sstevel@tonic-gate int effortlevel)); 117*7c478bd9Sstevel@tonic-gate }; 118*7c478bd9Sstevel@tonic-gate #endif /* PACKETPTR */ 119*7c478bd9Sstevel@tonic-gate 120*7c478bd9Sstevel@tonic-gate /* 121*7c478bd9Sstevel@tonic-gate * Return values for decompress routine. 122*7c478bd9Sstevel@tonic-gate * We need to make these distinctions so that we can disable certain 123*7c478bd9Sstevel@tonic-gate * useful functionality, namely sending a CCP reset-request as a result 124*7c478bd9Sstevel@tonic-gate * of an error detected after decompression. This is to avoid infringing 125*7c478bd9Sstevel@tonic-gate * a patent held by Motorola. 126*7c478bd9Sstevel@tonic-gate * Don't you just lurve software patents. 127*7c478bd9Sstevel@tonic-gate */ 128*7c478bd9Sstevel@tonic-gate #define DECOMP_OK 0 /* everything went OK */ 129*7c478bd9Sstevel@tonic-gate #define DECOMP_ERROR 1 /* error detected before decomp. */ 130*7c478bd9Sstevel@tonic-gate #define DECOMP_FATALERROR 2 /* error detected after decomp. */ 131*7c478bd9Sstevel@tonic-gate 132*7c478bd9Sstevel@tonic-gate /* 133*7c478bd9Sstevel@tonic-gate * CCP codes. 134*7c478bd9Sstevel@tonic-gate */ 135*7c478bd9Sstevel@tonic-gate #define CCP_CONFREQ 1 136*7c478bd9Sstevel@tonic-gate #define CCP_CONFACK 2 137*7c478bd9Sstevel@tonic-gate #define CCP_TERMREQ 5 138*7c478bd9Sstevel@tonic-gate #define CCP_TERMACK 6 139*7c478bd9Sstevel@tonic-gate #define CCP_RESETREQ 14 140*7c478bd9Sstevel@tonic-gate #define CCP_RESETACK 15 141*7c478bd9Sstevel@tonic-gate 142*7c478bd9Sstevel@tonic-gate /* 143*7c478bd9Sstevel@tonic-gate * Max # bytes for a CCP option 144*7c478bd9Sstevel@tonic-gate */ 145*7c478bd9Sstevel@tonic-gate #define CCP_MAX_OPTION_LENGTH 32 146*7c478bd9Sstevel@tonic-gate 147*7c478bd9Sstevel@tonic-gate /* 148*7c478bd9Sstevel@tonic-gate * Parts of a CCP packet. 149*7c478bd9Sstevel@tonic-gate */ 150*7c478bd9Sstevel@tonic-gate #define CCP_CODE(dp) ((dp)[0]) 151*7c478bd9Sstevel@tonic-gate #define CCP_ID(dp) ((dp)[1]) 152*7c478bd9Sstevel@tonic-gate #define CCP_LENGTH(dp) (((dp)[2] << 8) + (dp)[3]) 153*7c478bd9Sstevel@tonic-gate #define CCP_HDRLEN 4 154*7c478bd9Sstevel@tonic-gate 155*7c478bd9Sstevel@tonic-gate #define CCP_OPT_CODE(dp) ((dp)[0]) 156*7c478bd9Sstevel@tonic-gate #define CCP_OPT_LENGTH(dp) ((dp)[1]) 157*7c478bd9Sstevel@tonic-gate #define CCP_OPT_MINLEN 2 158*7c478bd9Sstevel@tonic-gate 159*7c478bd9Sstevel@tonic-gate /* 160*7c478bd9Sstevel@tonic-gate * Definitions for BSD-Compress. 161*7c478bd9Sstevel@tonic-gate */ 162*7c478bd9Sstevel@tonic-gate #define CI_BSD_COMPRESS 21 /* config. option for BSD-Compress */ 163*7c478bd9Sstevel@tonic-gate #define CILEN_BSD_COMPRESS 3 /* length of config. option */ 164*7c478bd9Sstevel@tonic-gate 165*7c478bd9Sstevel@tonic-gate /* Macros for handling the 3rd byte of the BSD-Compress config option. */ 166*7c478bd9Sstevel@tonic-gate #define BSD_NBITS(x) ((x) & 0x1F) /* number of bits requested */ 167*7c478bd9Sstevel@tonic-gate #define BSD_VERSION(x) ((x) >> 5) /* version of option format */ 168*7c478bd9Sstevel@tonic-gate #define BSD_CURRENT_VERSION 1 /* current version number */ 169*7c478bd9Sstevel@tonic-gate #define BSD_MAKE_OPT(v, n) (((v) << 5) | (n)) 170*7c478bd9Sstevel@tonic-gate 171*7c478bd9Sstevel@tonic-gate #define BSD_MIN_BITS 9 /* smallest code size supported */ 172*7c478bd9Sstevel@tonic-gate #define BSD_MAX_BITS 15 /* largest code size supported */ 173*7c478bd9Sstevel@tonic-gate 174*7c478bd9Sstevel@tonic-gate /* 175*7c478bd9Sstevel@tonic-gate * Definitions for Deflate. 176*7c478bd9Sstevel@tonic-gate */ 177*7c478bd9Sstevel@tonic-gate #define CI_DEFLATE 26 /* config option for Deflate */ 178*7c478bd9Sstevel@tonic-gate #define CI_DEFLATE_DRAFT 24 /* value used in original draft RFC */ 179*7c478bd9Sstevel@tonic-gate #define CILEN_DEFLATE 4 /* length of its config option */ 180*7c478bd9Sstevel@tonic-gate 181*7c478bd9Sstevel@tonic-gate #define DEFLATE_MIN_SIZE 8 182*7c478bd9Sstevel@tonic-gate #define DEFLATE_MAX_SIZE 15 183*7c478bd9Sstevel@tonic-gate #define DEFLATE_METHOD_VAL 8 184*7c478bd9Sstevel@tonic-gate #define DEFLATE_SIZE(x) (((x) >> 4) + DEFLATE_MIN_SIZE) 185*7c478bd9Sstevel@tonic-gate #define DEFLATE_METHOD(x) ((x) & 0x0F) 186*7c478bd9Sstevel@tonic-gate #define DEFLATE_MAKE_OPT(w) ((((w) - DEFLATE_MIN_SIZE) << 4) \ 187*7c478bd9Sstevel@tonic-gate + DEFLATE_METHOD_VAL) 188*7c478bd9Sstevel@tonic-gate #define DEFLATE_CHK_SEQUENCE 0 189*7c478bd9Sstevel@tonic-gate 190*7c478bd9Sstevel@tonic-gate /* 191*7c478bd9Sstevel@tonic-gate * Definitions for other, as yet unsupported, compression methods. 192*7c478bd9Sstevel@tonic-gate */ 193*7c478bd9Sstevel@tonic-gate #define CI_PREDICTOR_1 1 /* config option for Predictor-1 */ 194*7c478bd9Sstevel@tonic-gate #define CILEN_PREDICTOR_1 2 /* length of its config option */ 195*7c478bd9Sstevel@tonic-gate #define CI_PREDICTOR_2 2 /* config option for Predictor-2 */ 196*7c478bd9Sstevel@tonic-gate #define CILEN_PREDICTOR_2 2 /* length of its config option */ 197*7c478bd9Sstevel@tonic-gate 198*7c478bd9Sstevel@tonic-gate /* 199*7c478bd9Sstevel@tonic-gate * Note that some systems emit requests for STAC using a length of 6. 200*7c478bd9Sstevel@tonic-gate * The extra octet is 00 and should be ignored. 201*7c478bd9Sstevel@tonic-gate */ 202*7c478bd9Sstevel@tonic-gate #define CI_STAC 17 /* config option for STAC LZS */ 203*7c478bd9Sstevel@tonic-gate #define CILEN_STAC 5 /* length of its config option */ 204*7c478bd9Sstevel@tonic-gate 205*7c478bd9Sstevel@tonic-gate #define STAC_CHK_NONE 0 /* No checking */ 206*7c478bd9Sstevel@tonic-gate #define STAC_CHK_LCB 1 /* Longitudinal Check Bytes */ 207*7c478bd9Sstevel@tonic-gate #define STAC_CHK_CRC 2 /* Cyclic Redundancy Check */ 208*7c478bd9Sstevel@tonic-gate #define STAC_CHK_SEQ 3 /* Sequence Number */ 209*7c478bd9Sstevel@tonic-gate #define STAC_CHK_EXTENDED 4 /* Extended (Microsoft) */ 210*7c478bd9Sstevel@tonic-gate 211*7c478bd9Sstevel@tonic-gate #define CI_MPPC 18 /* config option for MS-PPC */ 212*7c478bd9Sstevel@tonic-gate #define CILEN_MPPC 6 /* length of its config option */ 213*7c478bd9Sstevel@tonic-gate 214*7c478bd9Sstevel@tonic-gate #define MPPC_COMP 0x00000001 /* Compression */ 215*7c478bd9Sstevel@tonic-gate #define MPPC_40LANM 0x00000010 /* MPPE, 40 bit LANManager */ 216*7c478bd9Sstevel@tonic-gate #define MPPC_40NT 0x00000020 /* MPPE, 40 bit NT key */ 217*7c478bd9Sstevel@tonic-gate #define MPPC_128NT 0x00000040 /* MPPE, 128 bit NT key */ 218*7c478bd9Sstevel@tonic-gate #define MPPC_56NT 0x00000080 /* MPPE, 56 bit NT key */ 219*7c478bd9Sstevel@tonic-gate #define MPPC_PBP 0x01000000 /* Packet-by-Packet mode */ 220*7c478bd9Sstevel@tonic-gate #define MPPC_MPPE 0x000000F0 221*7c478bd9Sstevel@tonic-gate 222*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 223*7c478bd9Sstevel@tonic-gate } 224*7c478bd9Sstevel@tonic-gate #endif 225*7c478bd9Sstevel@tonic-gate 226*7c478bd9Sstevel@tonic-gate #endif /* _NET_PPP_COMP_H */ 227