1 /* $OpenBSD: ccp.h,v 1.6 2002/09/13 00:12:10 deraadt Exp $ */ 2 3 /* 4 * ccp.h - Definitions for PPP Compression Control Protocol. 5 * 6 * Copyright (c) 1989-2002 Paul Mackerras. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. The name(s) of the authors of this software must not be used to 21 * endorse or promote products derived from this software without 22 * prior written permission. 23 * 24 * 4. Redistributions of any form whatsoever must retain the following 25 * acknowledgment: 26 * "This product includes software developed by Paul Mackerras 27 * <paulus@samba.org>". 28 * 29 * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO 30 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 31 * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY 32 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 33 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 34 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 35 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 36 */ 37 38 typedef struct ccp_options { 39 u_int bsd_compress: 1; /* do BSD Compress? */ 40 u_int deflate: 1; /* do Deflate? */ 41 u_int predictor_1: 1; /* do Predictor-1? */ 42 u_int predictor_2: 1; /* do Predictor-2? */ 43 u_int deflate_correct: 1; /* use correct code for deflate? */ 44 u_int deflate_draft: 1; /* use draft RFC code for deflate? */ 45 u_short bsd_bits; /* # bits/code for BSD Compress */ 46 u_short deflate_size; /* lg(window size) for Deflate */ 47 short method; /* code for chosen compression method */ 48 } ccp_options; 49 50 extern fsm ccp_fsm[]; 51 extern ccp_options ccp_wantoptions[]; 52 extern ccp_options ccp_gotoptions[]; 53 extern ccp_options ccp_allowoptions[]; 54 extern ccp_options ccp_hisoptions[]; 55 56 extern struct protent ccp_protent; 57