1 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V3.1//EN"[]>
5 <title>Synchronous PPP and Cisco HDLC Programming Guide</title>
9 <firstname>Alan</firstname>
10 <surname>Cox</surname>
13 <email>alan@redhat.com</email>
21 <holder>Alan Cox</holder>
26 This documentation is free software; you can redistribute
27 it and/or modify it under the terms of the GNU General Public
28 License as published by the Free Software Foundation; either
29 version 2 of the License, or (at your option) any later
34 This program is distributed in the hope that it will be
35 useful, but WITHOUT ANY WARRANTY; without even the implied
36 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
37 See the GNU General Public License for more details.
41 You should have received a copy of the GNU General Public
42 License along with this program; if not, write to the Free
43 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
48 For more details see the file COPYING in the source
49 distribution of Linux.
57 <title>Introduction</title>
59 The syncppp drivers in Linux provide a fairly complete
60 implementation of Cisco HDLC and a minimal implementation of
61 PPP. The longer term goal is to switch the PPP layer to the
62 generic PPP interface that is new in Linux 2.3.x. The API should
63 remain unchanged when this is done, but support will then be
64 available for IPX, compression and other PPP features
68 <title>Known Bugs And Assumptions</title>
71 <varlistentry><term>PPP is minimal</term>
74 The current PPP implementation is very basic, although sufficient
77 </listitem></varlistentry>
79 <varlistentry><term>Cisco HDLC Quirks</term>
82 Currently we do not end all packets with the correct Cisco multicast
83 or unicast flags. Nothing appears to mind too much but this should
86 </listitem></varlistentry>
92 <chapter id="pubfunctions">
93 <title>Public Functions Provided</title>
94 !Edrivers/net/wan/syncppp.c