/* $OpenBSD: ccp.h,v 1.6 2002/09/13 00:12:10 deraadt Exp $ */ /* * ccp.h - Definitions for PPP Compression Control Protocol. * * Copyright (c) 1989-2002 Paul Mackerras. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The name(s) of the authors of this software must not be used to * endorse or promote products derived from this software without * prior written permission. * * 4. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by Paul Mackerras * ". * * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ typedef struct ccp_options { u_int bsd_compress: 1; /* do BSD Compress? */ u_int deflate: 1; /* do Deflate? */ u_int predictor_1: 1; /* do Predictor-1? */ u_int predictor_2: 1; /* do Predictor-2? */ u_int deflate_correct: 1; /* use correct code for deflate? */ u_int deflate_draft: 1; /* use draft RFC code for deflate? */ u_short bsd_bits; /* # bits/code for BSD Compress */ u_short deflate_size; /* lg(window size) for Deflate */ short method; /* code for chosen compression method */ } ccp_options; extern fsm ccp_fsm[]; extern ccp_options ccp_wantoptions[]; extern ccp_options ccp_gotoptions[]; extern ccp_options ccp_allowoptions[]; extern ccp_options ccp_hisoptions[]; extern struct protent ccp_protent;