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" []>
7 <title>Synchronous PPP and Cisco HDLC Programming Guide</title>
11 <firstname>Alan</firstname>
12 <surname>Cox</surname>
15 <email>alan@redhat.com</email>
23 <holder>Alan Cox</holder>
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
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.
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,
50 For more details see the file COPYING in the source
51 distribution of Linux.
59 <title>Introduction</title>
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
70 <title>Known Bugs And Assumptions</title>
73 <varlistentry><term>PPP is minimal</term>
76 The current PPP implementation is very basic, although sufficient
79 </listitem></varlistentry>
81 <varlistentry><term>Cisco HDLC Quirks</term>
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
88 </listitem></varlistentry>
94 <chapter id="pubfunctions">
95 <title>Public Functions Provided</title>
96 !Edrivers/net/wan/syncppp.c