1<?xml version="1.0" encoding="UTF-8"?> 2<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" 3 "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []> 4 5<book id="WANGuide"> 6 <bookinfo> 7 <title>Synchronous PPP and Cisco HDLC Programming Guide</title> 8 9 <authorgroup> 10 <author> 11 <firstname>Alan</firstname> 12 <surname>Cox</surname> 13 <affiliation> 14 <address> 15 <email>alan@redhat.com</email> 16 </address> 17 </affiliation> 18 </author> 19 </authorgroup> 20 21 <copyright> 22 <year>2000</year> 23 <holder>Alan Cox</holder> 24 </copyright> 25 26 <legalnotice> 27 <para> 28 This documentation is free software; you can redistribute 29 it and/or modify it under the terms of the GNU General Public 30 License as published by the Free Software Foundation; either 31 version 2 of the License, or (at your option) any later 32 version. 33 </para> 34 35 <para> 36 This program is distributed in the hope that it will be 37 useful, but WITHOUT ANY WARRANTY; without even the implied 38 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 39 See the GNU General Public License for more details. 40 </para> 41 42 <para> 43 You should have received a copy of the GNU General Public 44 License along with this program; if not, write to the Free 45 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, 46 MA 02111-1307 USA 47 </para> 48 49 <para> 50 For more details see the file COPYING in the source 51 distribution of Linux. 52 </para> 53 </legalnotice> 54 </bookinfo> 55 56<toc></toc> 57 58 <chapter id="intro"> 59 <title>Introduction</title> 60 <para> 61 The syncppp drivers in Linux provide a fairly complete 62 implementation of Cisco HDLC and a minimal implementation of 63 PPP. The longer term goal is to switch the PPP layer to the 64 generic PPP interface that is new in Linux 2.3.x. The API should 65 remain unchanged when this is done, but support will then be 66 available for IPX, compression and other PPP features 67 </para> 68 </chapter> 69 <chapter id="bugs"> 70 <title>Known Bugs And Assumptions</title> 71 <para> 72 <variablelist> 73 <varlistentry><term>PPP is minimal</term> 74 <listitem> 75 <para> 76 The current PPP implementation is very basic, although sufficient 77 for most wan usages. 78 </para> 79 </listitem></varlistentry> 80 81 <varlistentry><term>Cisco HDLC Quirks</term> 82 <listitem> 83 <para> 84 Currently we do not end all packets with the correct Cisco multicast 85 or unicast flags. Nothing appears to mind too much but this should 86 be corrected. 87 </para> 88 </listitem></varlistentry> 89 </variablelist> 90 91 </para> 92 </chapter> 93 94 <chapter id="pubfunctions"> 95 <title>Public Functions Provided</title> 96!Edrivers/net/wan/syncppp.c 97 </chapter> 98 99</book> 100