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/*****************************************************************************
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* ppp.h - Network Point to Point Protocol header file.
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*
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* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
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* portions Copyright (c) 1997 Global Election Systems Inc.
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice and the following disclaimer are included verbatim in any
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* distributions. No written agreement, license, or royalty fee is required
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* for any of the authorized uses.
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*
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* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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* REVISION HISTORY
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*
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* 03-01-01 Marc Boucher <marc@mbsi.ca>
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* Ported to lwIP.
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* 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
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* Original derived from BSD codes.
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*****************************************************************************/
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#ifndef PPP_H
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#define PPP_H
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#include "lwip/opt.h"
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#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
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#include "lwip/def.h"
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#include "lwip/sio.h"
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#include "lwip/stats.h"
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#include "lwip/mem.h"
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#include "lwip/netif.h"
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#include "lwip/sys.h"
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#include "lwip/timers.h"
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/** Some defines for code we skip compared to the original pppd.
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* These are just here to minimise the use of the ugly "#if 0". */
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#define PPP_ADDITIONAL_CALLBACKS 0
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/** Some error checks to test for unsupported code */
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#if CBCP_SUPPORT
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#error "CBCP is not supported in lwIP PPP"
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#endif
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#if CCP_SUPPORT
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#error "CCP is not supported in lwIP PPP"
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#endif
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/*
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* pppd.h - PPP daemon global declarations.
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*
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* Copyright (c) 1989 Carnegie Mellon University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by Carnegie Mellon University. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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/*
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* ppp_defs.h - PPP definitions.
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*
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* Copyright (c) 1994 The Australian National University.
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* All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, provided that the above copyright
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* notice appears in all copies. This software is provided without any
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* warranty, express or implied. The Australian National University
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* makes no representations about the suitability of this software for
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* any purpose.
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*
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* IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
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* PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
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* THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
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* OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
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* OR MODIFICATIONS.
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*/
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#define TIMEOUT(f, a, t) do { sys_untimeout((f), (a)); sys_timeout((t)*1000, (f), (a)); } while(0)
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#define UNTIMEOUT(f, a) sys_untimeout((f), (a))
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#ifndef __u_char_defined
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/* Type definitions for BSD code. */
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typedef unsigned long u_long;
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typedef unsigned int u_int;
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typedef unsigned short u_short;
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typedef unsigned char u_char;
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#endif
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/*
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* Constants and structures defined by the internet system,
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* Per RFC 790, September 1981, and numerous additions.
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*/
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/*
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* The basic PPP frame.
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*/
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#define PPP_HDRLEN 4 /* octets for standard ppp header */
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#define PPP_FCSLEN 2 /* octets for FCS */
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/*
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* Significant octet values.
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*/
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#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */
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#define PPP_UI 0x03 /* Unnumbered Information */
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#define PPP_FLAG 0x7e /* Flag Sequence */
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#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */
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#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */
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/*
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* Protocol field values.
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*/
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#define PPP_IP 0x21 /* Internet Protocol */
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#define PPP_AT 0x29 /* AppleTalk Protocol */
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#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
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#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
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#define PPP_COMP 0xfd /* compressed packet */
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#define PPP_IPCP 0x8021 /* IP Control Protocol */
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#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
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#define PPP_CCP 0x80fd /* Compression Control Protocol */
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#define PPP_LCP 0xc021 /* Link Control Protocol */
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#define PPP_PAP 0xc023 /* Password Authentication Protocol */
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#define PPP_LQR 0xc025 /* Link Quality Report protocol */
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#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */
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#define PPP_CBCP 0xc029 /* Callback Control Protocol */
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/*
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* Values for FCS calculations.
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*/
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#define PPP_INITFCS 0xffff /* Initial FCS value */
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#define PPP_GOODFCS 0xf0b8 /* Good final FCS value */
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#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
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/*
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* Extended asyncmap - allows any character to be escaped.
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*/
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typedef u_char ext_accm[32];
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/*
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* What to do with network protocol (NP) packets.
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*/
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enum NPmode {
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NPMODE_PASS, /* pass the packet through */
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NPMODE_DROP, /* silently drop the packet */
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NPMODE_ERROR, /* return an error */
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NPMODE_QUEUE /* save it up for later. */
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};
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/*
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* Inline versions of get/put char/short/long.
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* Pointer is advanced; we assume that both arguments
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* are lvalues and will already be in registers.
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* cp MUST be u_char *.
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*/
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#define GETCHAR(c, cp) { \
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(c) = *(cp)++; \
|
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}
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|
#define PUTCHAR(c, cp) { \
|
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|
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|
*(cp)++ = (u_char) (c); \
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}
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|
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|
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#define GETSHORT(s, cp) { \
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|
(s) = *(cp); (cp)++; (s) <<= 8; \
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|
(s) |= *(cp); (cp)++; \
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}
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|
#define PUTSHORT(s, cp) { \
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|
200
|
*(cp)++ = (u_char) ((s) >> 8); \
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201
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*(cp)++ = (u_char) (s & 0xff); \
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}
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|
203
|
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|
#define GETLONG(l, cp) { \
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|
(l) = *(cp); (cp)++; (l) <<= 8; \
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|
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|
(l) |= *(cp); (cp)++; (l) <<= 8; \
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(l) |= *(cp); (cp)++; (l) <<= 8; \
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(l) |= *(cp); (cp)++; \
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}
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|
#define PUTLONG(l, cp) { \
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|
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|
*(cp)++ = (u_char) ((l) >> 24); \
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|
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|
*(cp)++ = (u_char) ((l) >> 16); \
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|
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|
*(cp)++ = (u_char) ((l) >> 8); \
|
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|
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|
*(cp)++ = (u_char) (l); \
|
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|
}
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|
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|
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|
217
|
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#define INCPTR(n, cp) ((cp) += (n))
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#define DECPTR(n, cp) ((cp) -= (n))
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|
220
|
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221
|
#define BCMP(s0, s1, l) memcmp((u_char *)(s0), (u_char *)(s1), (l))
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222
|
#define BCOPY(s, d, l) MEMCPY((d), (s), (l))
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|
223
|
#define BZERO(s, n) memset(s, 0, n)
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|
224
|
|
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|
225
|
#if PPP_DEBUG
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|
226
|
#define PRINTMSG(m, l) { m[l] = '\0'; LWIP_DEBUGF(LOG_INFO, ("Remote message: %s\n", m)); }
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|
227
|
#else /* PPP_DEBUG */
|
| zoot661 |
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|
228
|
#define PRINTMSG(m, l)
|
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|
229
|
#endif /* PPP_DEBUG */
|
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|
230
|
|
| zoot661 |
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|
231
|
/*
|
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0:f993b6d8b1d8
|
232
|
* MAKEHEADER - Add PPP Header fields to a packet.
|
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0:f993b6d8b1d8
|
233
|
*/
|
| zoot661 |
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|
234
|
#define MAKEHEADER(p, t) { \
|
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|
235
|
PUTCHAR(PPP_ALLSTATIONS, p); \
|
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|
236
|
PUTCHAR(PPP_UI, p); \
|
| zoot661 |
0:f993b6d8b1d8
|
237
|
PUTSHORT(t, p); }
|
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0:f993b6d8b1d8
|
238
|
|
| zoot661 |
0:f993b6d8b1d8
|
239
|
/*************************
|
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0:f993b6d8b1d8
|
240
|
*** PUBLIC DEFINITIONS ***
|
| zoot661 |
0:f993b6d8b1d8
|
241
|
*************************/
|
| zoot661 |
0:f993b6d8b1d8
|
242
|
|
| zoot661 |
0:f993b6d8b1d8
|
243
|
/* Error codes. */
|
| zoot661 |
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|
244
|
#define PPPERR_NONE 0 /* No error. */
|
| zoot661 |
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|
245
|
#define PPPERR_PARAM -1 /* Invalid parameter. */
|
| zoot661 |
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|
246
|
#define PPPERR_OPEN -2 /* Unable to open PPP session. */
|
| zoot661 |
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|
247
|
#define PPPERR_DEVICE -3 /* Invalid I/O device for PPP. */
|
| zoot661 |
0:f993b6d8b1d8
|
248
|
#define PPPERR_ALLOC -4 /* Unable to allocate resources. */
|
| zoot661 |
0:f993b6d8b1d8
|
249
|
#define PPPERR_USER -5 /* User interrupt. */
|
| zoot661 |
0:f993b6d8b1d8
|
250
|
#define PPPERR_CONNECT -6 /* Connection lost. */
|
| zoot661 |
0:f993b6d8b1d8
|
251
|
#define PPPERR_AUTHFAIL -7 /* Failed authentication challenge. */
|
| zoot661 |
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|
252
|
#define PPPERR_PROTOCOL -8 /* Failed to meet protocol. */
|
| zoot661 |
0:f993b6d8b1d8
|
253
|
|
| zoot661 |
0:f993b6d8b1d8
|
254
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
255
|
* PPP IOCTL commands.
|
| zoot661 |
0:f993b6d8b1d8
|
256
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
257
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
258
|
* Get the up status - 0 for down, non-zero for up. The argument must
|
| zoot661 |
0:f993b6d8b1d8
|
259
|
* point to an int.
|
| zoot661 |
0:f993b6d8b1d8
|
260
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
261
|
#define PPPCTLG_UPSTATUS 100 /* Get the up status - 0 down else up */
|
| zoot661 |
0:f993b6d8b1d8
|
262
|
#define PPPCTLS_ERRCODE 101 /* Set the error code */
|
| zoot661 |
0:f993b6d8b1d8
|
263
|
#define PPPCTLG_ERRCODE 102 /* Get the error code */
|
| zoot661 |
0:f993b6d8b1d8
|
264
|
#define PPPCTLG_FD 103 /* Get the fd associated with the ppp */
|
| zoot661 |
0:f993b6d8b1d8
|
265
|
|
| zoot661 |
0:f993b6d8b1d8
|
266
|
/************************
|
| zoot661 |
0:f993b6d8b1d8
|
267
|
*** PUBLIC DATA TYPES ***
|
| zoot661 |
0:f993b6d8b1d8
|
268
|
************************/
|
| zoot661 |
0:f993b6d8b1d8
|
269
|
|
| zoot661 |
0:f993b6d8b1d8
|
270
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
271
|
* The following struct gives the addresses of procedures to call
|
| zoot661 |
0:f993b6d8b1d8
|
272
|
* for a particular protocol.
|
| zoot661 |
0:f993b6d8b1d8
|
273
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
274
|
struct protent {
|
| zoot661 |
0:f993b6d8b1d8
|
275
|
u_short protocol; /* PPP protocol number */
|
| zoot661 |
0:f993b6d8b1d8
|
276
|
/* Initialization procedure */
|
| zoot661 |
0:f993b6d8b1d8
|
277
|
void (*init) (int unit);
|
| zoot661 |
0:f993b6d8b1d8
|
278
|
/* Process a received packet */
|
| zoot661 |
0:f993b6d8b1d8
|
279
|
void (*input) (int unit, u_char *pkt, int len);
|
| zoot661 |
0:f993b6d8b1d8
|
280
|
/* Process a received protocol-reject */
|
| zoot661 |
0:f993b6d8b1d8
|
281
|
void (*protrej) (int unit);
|
| zoot661 |
0:f993b6d8b1d8
|
282
|
/* Lower layer has come up */
|
| zoot661 |
0:f993b6d8b1d8
|
283
|
void (*lowerup) (int unit);
|
| zoot661 |
0:f993b6d8b1d8
|
284
|
/* Lower layer has gone down */
|
| zoot661 |
0:f993b6d8b1d8
|
285
|
void (*lowerdown) (int unit);
|
| zoot661 |
0:f993b6d8b1d8
|
286
|
/* Open the protocol */
|
| zoot661 |
0:f993b6d8b1d8
|
287
|
void (*open) (int unit);
|
| zoot661 |
0:f993b6d8b1d8
|
288
|
/* Close the protocol */
|
| zoot661 |
0:f993b6d8b1d8
|
289
|
void (*close) (int unit, char *reason);
|
| zoot661 |
0:f993b6d8b1d8
|
290
|
#if PPP_ADDITIONAL_CALLBACKS
|
| zoot661 |
0:f993b6d8b1d8
|
291
|
/* Print a packet in readable form */
|
| zoot661 |
0:f993b6d8b1d8
|
292
|
int (*printpkt) (u_char *pkt, int len,
|
| zoot661 |
0:f993b6d8b1d8
|
293
|
void (*printer) (void *, char *, ...),
|
| zoot661 |
0:f993b6d8b1d8
|
294
|
void *arg);
|
| zoot661 |
0:f993b6d8b1d8
|
295
|
/* Process a received data packet */
|
| zoot661 |
0:f993b6d8b1d8
|
296
|
void (*datainput) (int unit, u_char *pkt, int len);
|
| zoot661 |
0:f993b6d8b1d8
|
297
|
#endif /* PPP_ADDITIONAL_CALLBACKS */
|
| zoot661 |
0:f993b6d8b1d8
|
298
|
int enabled_flag; /* 0 if protocol is disabled */
|
| zoot661 |
0:f993b6d8b1d8
|
299
|
char *name; /* Text name of protocol */
|
| zoot661 |
0:f993b6d8b1d8
|
300
|
#if PPP_ADDITIONAL_CALLBACKS
|
| zoot661 |
0:f993b6d8b1d8
|
301
|
/* Check requested options, assign defaults */
|
| zoot661 |
0:f993b6d8b1d8
|
302
|
void (*check_options) (u_long);
|
| zoot661 |
0:f993b6d8b1d8
|
303
|
/* Configure interface for demand-dial */
|
| zoot661 |
0:f993b6d8b1d8
|
304
|
int (*demand_conf) (int unit);
|
| zoot661 |
0:f993b6d8b1d8
|
305
|
/* Say whether to bring up link for this pkt */
|
| zoot661 |
0:f993b6d8b1d8
|
306
|
int (*active_pkt) (u_char *pkt, int len);
|
| zoot661 |
0:f993b6d8b1d8
|
307
|
#endif /* PPP_ADDITIONAL_CALLBACKS */
|
| zoot661 |
0:f993b6d8b1d8
|
308
|
};
|
| zoot661 |
0:f993b6d8b1d8
|
309
|
|
| zoot661 |
0:f993b6d8b1d8
|
310
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
311
|
* The following structure records the time in seconds since
|
| zoot661 |
0:f993b6d8b1d8
|
312
|
* the last NP packet was sent or received.
|
| zoot661 |
0:f993b6d8b1d8
|
313
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
314
|
struct ppp_idle {
|
| zoot661 |
0:f993b6d8b1d8
|
315
|
u_short xmit_idle; /* seconds since last NP packet sent */
|
| zoot661 |
0:f993b6d8b1d8
|
316
|
u_short recv_idle; /* seconds since last NP packet received */
|
| zoot661 |
0:f993b6d8b1d8
|
317
|
};
|
| zoot661 |
0:f993b6d8b1d8
|
318
|
|
| zoot661 |
0:f993b6d8b1d8
|
319
|
struct ppp_settings {
|
| zoot661 |
0:f993b6d8b1d8
|
320
|
|
| zoot661 |
0:f993b6d8b1d8
|
321
|
u_int disable_defaultip : 1; /* Don't use hostname for default IP addrs */
|
| zoot661 |
0:f993b6d8b1d8
|
322
|
u_int auth_required : 1; /* Peer is required to authenticate */
|
| zoot661 |
0:f993b6d8b1d8
|
323
|
u_int explicit_remote : 1; /* remote_name specified with remotename opt */
|
| zoot661 |
0:f993b6d8b1d8
|
324
|
u_int refuse_pap : 1; /* Don't wanna auth. ourselves with PAP */
|
| zoot661 |
0:f993b6d8b1d8
|
325
|
u_int refuse_chap : 1; /* Don't wanna auth. ourselves with CHAP */
|
| zoot661 |
0:f993b6d8b1d8
|
326
|
u_int usehostname : 1; /* Use hostname for our_name */
|
| zoot661 |
0:f993b6d8b1d8
|
327
|
u_int usepeerdns : 1; /* Ask peer for DNS adds */
|
| zoot661 |
0:f993b6d8b1d8
|
328
|
|
| zoot661 |
0:f993b6d8b1d8
|
329
|
u_short idle_time_limit; /* Shut down link if idle for this long */
|
| zoot661 |
0:f993b6d8b1d8
|
330
|
int maxconnect; /* Maximum connect time (seconds) */
|
| zoot661 |
0:f993b6d8b1d8
|
331
|
|
| zoot661 |
0:f993b6d8b1d8
|
332
|
char user [MAXNAMELEN + 1]; /* Username for PAP */
|
| zoot661 |
0:f993b6d8b1d8
|
333
|
char passwd [MAXSECRETLEN + 1]; /* Password for PAP, secret for CHAP */
|
| zoot661 |
0:f993b6d8b1d8
|
334
|
char our_name [MAXNAMELEN + 1]; /* Our name for authentication purposes */
|
| zoot661 |
0:f993b6d8b1d8
|
335
|
char remote_name[MAXNAMELEN + 1]; /* Peer's name for authentication */
|
| zoot661 |
0:f993b6d8b1d8
|
336
|
};
|
| zoot661 |
0:f993b6d8b1d8
|
337
|
|
| zoot661 |
0:f993b6d8b1d8
|
338
|
struct ppp_addrs {
|
| zoot661 |
0:f993b6d8b1d8
|
339
|
ip_addr_t our_ipaddr, his_ipaddr, netmask, dns1, dns2;
|
| zoot661 |
0:f993b6d8b1d8
|
340
|
};
|
| zoot661 |
0:f993b6d8b1d8
|
341
|
|
| zoot661 |
0:f993b6d8b1d8
|
342
|
/*****************************
|
| zoot661 |
0:f993b6d8b1d8
|
343
|
*** PUBLIC DATA STRUCTURES ***
|
| zoot661 |
0:f993b6d8b1d8
|
344
|
*****************************/
|
| zoot661 |
0:f993b6d8b1d8
|
345
|
|
| zoot661 |
0:f993b6d8b1d8
|
346
|
/* Buffers for outgoing packets. */
|
| zoot661 |
0:f993b6d8b1d8
|
347
|
extern u_char outpacket_buf[NUM_PPP][PPP_MRU+PPP_HDRLEN];
|
| zoot661 |
0:f993b6d8b1d8
|
348
|
|
| zoot661 |
0:f993b6d8b1d8
|
349
|
extern struct ppp_settings ppp_settings;
|
| zoot661 |
0:f993b6d8b1d8
|
350
|
|
| zoot661 |
0:f993b6d8b1d8
|
351
|
extern struct protent *ppp_protocols[]; /* Table of pointers to supported protocols */
|
| zoot661 |
0:f993b6d8b1d8
|
352
|
|
| zoot661 |
0:f993b6d8b1d8
|
353
|
|
| zoot661 |
0:f993b6d8b1d8
|
354
|
/***********************
|
| zoot661 |
0:f993b6d8b1d8
|
355
|
*** PUBLIC FUNCTIONS ***
|
| zoot661 |
0:f993b6d8b1d8
|
356
|
***********************/
|
| zoot661 |
0:f993b6d8b1d8
|
357
|
|
| zoot661 |
0:f993b6d8b1d8
|
358
|
/* Initialize the PPP subsystem. */
|
| zoot661 |
0:f993b6d8b1d8
|
359
|
void pppInit(void);
|
| zoot661 |
0:f993b6d8b1d8
|
360
|
|
| zoot661 |
0:f993b6d8b1d8
|
361
|
/* Warning: Using PPPAUTHTYPE_ANY might have security consequences.
|
| zoot661 |
0:f993b6d8b1d8
|
362
|
* RFC 1994 says:
|
| zoot661 |
0:f993b6d8b1d8
|
363
|
*
|
| zoot661 |
0:f993b6d8b1d8
|
364
|
* In practice, within or associated with each PPP server, there is a
|
| zoot661 |
0:f993b6d8b1d8
|
365
|
* database which associates "user" names with authentication
|
| zoot661 |
0:f993b6d8b1d8
|
366
|
* information ("secrets"). It is not anticipated that a particular
|
| zoot661 |
0:f993b6d8b1d8
|
367
|
* named user would be authenticated by multiple methods. This would
|
| zoot661 |
0:f993b6d8b1d8
|
368
|
* make the user vulnerable to attacks which negotiate the least secure
|
| zoot661 |
0:f993b6d8b1d8
|
369
|
* method from among a set (such as PAP rather than CHAP). If the same
|
| zoot661 |
0:f993b6d8b1d8
|
370
|
* secret was used, PAP would reveal the secret to be used later with
|
| zoot661 |
0:f993b6d8b1d8
|
371
|
* CHAP.
|
| zoot661 |
0:f993b6d8b1d8
|
372
|
*
|
| zoot661 |
0:f993b6d8b1d8
|
373
|
* Instead, for each user name there should be an indication of exactly
|
| zoot661 |
0:f993b6d8b1d8
|
374
|
* one method used to authenticate that user name. If a user needs to
|
| zoot661 |
0:f993b6d8b1d8
|
375
|
* make use of different authentication methods under different
|
| zoot661 |
0:f993b6d8b1d8
|
376
|
* circumstances, then distinct user names SHOULD be employed, each of
|
| zoot661 |
0:f993b6d8b1d8
|
377
|
* which identifies exactly one authentication method.
|
| zoot661 |
0:f993b6d8b1d8
|
378
|
*
|
| zoot661 |
0:f993b6d8b1d8
|
379
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
380
|
enum pppAuthType {
|
| zoot661 |
0:f993b6d8b1d8
|
381
|
PPPAUTHTYPE_NONE,
|
| zoot661 |
0:f993b6d8b1d8
|
382
|
PPPAUTHTYPE_ANY,
|
| zoot661 |
0:f993b6d8b1d8
|
383
|
PPPAUTHTYPE_PAP,
|
| zoot661 |
0:f993b6d8b1d8
|
384
|
PPPAUTHTYPE_CHAP
|
| zoot661 |
0:f993b6d8b1d8
|
385
|
};
|
| zoot661 |
0:f993b6d8b1d8
|
386
|
|
| zoot661 |
0:f993b6d8b1d8
|
387
|
void pppSetAuth(enum pppAuthType authType, const char *user, const char *passwd);
|
| zoot661 |
0:f993b6d8b1d8
|
388
|
|
| zoot661 |
0:f993b6d8b1d8
|
389
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
390
|
* Open a new PPP connection using the given serial I/O device.
|
| zoot661 |
0:f993b6d8b1d8
|
391
|
* This initializes the PPP control block but does not
|
| zoot661 |
0:f993b6d8b1d8
|
392
|
* attempt to negotiate the LCP session.
|
| zoot661 |
0:f993b6d8b1d8
|
393
|
* Return a new PPP connection descriptor on success or
|
| zoot661 |
0:f993b6d8b1d8
|
394
|
* an error code (negative) on failure.
|
| zoot661 |
0:f993b6d8b1d8
|
395
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
396
|
int pppOverSerialOpen(sio_fd_t fd, void (*linkStatusCB)(void *ctx, int errCode, void *arg), void *linkStatusCtx);
|
| zoot661 |
0:f993b6d8b1d8
|
397
|
|
| zoot661 |
0:f993b6d8b1d8
|
398
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
399
|
* Open a new PPP Over Ethernet (PPPOE) connection.
|
| zoot661 |
0:f993b6d8b1d8
|
400
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
401
|
int pppOverEthernetOpen(struct netif *ethif, const char *service_name, const char *concentrator_name, void (*linkStatusCB)(void *ctx, int errCode, void *arg), void *linkStatusCtx);
|
| zoot661 |
0:f993b6d8b1d8
|
402
|
|
| zoot661 |
0:f993b6d8b1d8
|
403
|
/* for source code compatibility */
|
| zoot661 |
0:f993b6d8b1d8
|
404
|
#define pppOpen(fd,cb,ls) pppOverSerialOpen(fd,cb,ls)
|
| zoot661 |
0:f993b6d8b1d8
|
405
|
|
| zoot661 |
0:f993b6d8b1d8
|
406
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
407
|
* Close a PPP connection and release the descriptor.
|
| zoot661 |
0:f993b6d8b1d8
|
408
|
* Any outstanding packets in the queues are dropped.
|
| zoot661 |
0:f993b6d8b1d8
|
409
|
* Return 0 on success, an error code on failure.
|
| zoot661 |
0:f993b6d8b1d8
|
410
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
411
|
int pppClose(int pd);
|
| zoot661 |
0:f993b6d8b1d8
|
412
|
|
| zoot661 |
0:f993b6d8b1d8
|
413
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
414
|
* Indicate to the PPP process that the line has disconnected.
|
| zoot661 |
0:f993b6d8b1d8
|
415
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
416
|
void pppSigHUP(int pd);
|
| zoot661 |
0:f993b6d8b1d8
|
417
|
|
| zoot661 |
0:f993b6d8b1d8
|
418
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
419
|
* Get and set parameters for the given connection.
|
| zoot661 |
0:f993b6d8b1d8
|
420
|
* Return 0 on success, an error code on failure.
|
| zoot661 |
0:f993b6d8b1d8
|
421
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
422
|
int pppIOCtl(int pd, int cmd, void *arg);
|
| zoot661 |
0:f993b6d8b1d8
|
423
|
|
| zoot661 |
0:f993b6d8b1d8
|
424
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
425
|
* Return the Maximum Transmission Unit for the given PPP connection.
|
| zoot661 |
0:f993b6d8b1d8
|
426
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
427
|
u_short pppMTU(int pd);
|
| zoot661 |
0:f993b6d8b1d8
|
428
|
|
| zoot661 |
0:f993b6d8b1d8
|
429
|
/*
|
| zoot661 |
0:f993b6d8b1d8
|
430
|
* Write n characters to a ppp link.
|
| zoot661 |
0:f993b6d8b1d8
|
431
|
* RETURN: >= 0 Number of characters written, -1 Failed to write to device.
|
| zoot661 |
0:f993b6d8b1d8
|
432
|
*/
|
| zoot661 |
0:f993b6d8b1d8
|
433
|
int pppWrite(int pd, const u_char *s, int n);
|
| zoot661 |
0:f993b6d8b1d8
|
434
|
|
| zoot661 |
0:f993b6d8b1d8
|
435
|
void pppInProcOverEthernet(int pd, struct pbuf *pb);
|
| zoot661 |
0:f993b6d8b1d8
|
436
|
|
| zoot661 |
0:f993b6d8b1d8
|
437
|
struct pbuf *pppSingleBuf(struct pbuf *p);
|
| zoot661 |
0:f993b6d8b1d8
|
438
|
|
| zoot661 |
0:f993b6d8b1d8
|
439
|
void pppLinkTerminated(int pd);
|
| zoot661 |
0:f993b6d8b1d8
|
440
|
|
| zoot661 |
0:f993b6d8b1d8
|
441
|
void pppLinkDown(int pd);
|
| zoot661 |
0:f993b6d8b1d8
|
442
|
|
| zoot661 |
0:f993b6d8b1d8
|
443
|
void pppos_input(int pd, u_char* data, int len);
|
| zoot661 |
0:f993b6d8b1d8
|
444
|
|
| zoot661 |
0:f993b6d8b1d8
|
445
|
/* Configure i/f transmit parameters */
|
| zoot661 |
0:f993b6d8b1d8
|
446
|
void ppp_send_config (int, u16_t, u32_t, int, int);
|
| zoot661 |
0:f993b6d8b1d8
|
447
|
/* Set extended transmit ACCM */
|
| zoot661 |
0:f993b6d8b1d8
|
448
|
void ppp_set_xaccm (int, ext_accm *);
|
| zoot661 |
0:f993b6d8b1d8
|
449
|
/* Configure i/f receive parameters */
|
| zoot661 |
0:f993b6d8b1d8
|
450
|
void ppp_recv_config (int, int, u32_t, int, int);
|
| zoot661 |
0:f993b6d8b1d8
|
451
|
/* Find out how long link has been idle */
|
| zoot661 |
0:f993b6d8b1d8
|
452
|
int get_idle_time (int, struct ppp_idle *);
|
| zoot661 |
0:f993b6d8b1d8
|
453
|
|
| zoot661 |
0:f993b6d8b1d8
|
454
|
/* Configure VJ TCP header compression */
|
| zoot661 |
0:f993b6d8b1d8
|
455
|
int sifvjcomp (int, int, u8_t, u8_t);
|
| zoot661 |
0:f993b6d8b1d8
|
456
|
/* Configure i/f down (for IP) */
|
| zoot661 |
0:f993b6d8b1d8
|
457
|
int sifup (int);
|
| zoot661 |
0:f993b6d8b1d8
|
458
|
/* Set mode for handling packets for proto */
|
| zoot661 |
0:f993b6d8b1d8
|
459
|
int sifnpmode (int u, int proto, enum NPmode mode);
|
| zoot661 |
0:f993b6d8b1d8
|
460
|
/* Configure i/f down (for IP) */
|
| zoot661 |
0:f993b6d8b1d8
|
461
|
int sifdown (int);
|
| zoot661 |
0:f993b6d8b1d8
|
462
|
/* Configure IP addresses for i/f */
|
| zoot661 |
0:f993b6d8b1d8
|
463
|
int sifaddr (int, u32_t, u32_t, u32_t, u32_t, u32_t);
|
| zoot661 |
0:f993b6d8b1d8
|
464
|
/* Reset i/f IP addresses */
|
| zoot661 |
0:f993b6d8b1d8
|
465
|
int cifaddr (int, u32_t, u32_t);
|
| zoot661 |
0:f993b6d8b1d8
|
466
|
/* Create default route through i/f */
|
| zoot661 |
0:f993b6d8b1d8
|
467
|
int sifdefaultroute (int, u32_t, u32_t);
|
| zoot661 |
0:f993b6d8b1d8
|
468
|
/* Delete default route through i/f */
|
| zoot661 |
0:f993b6d8b1d8
|
469
|
int cifdefaultroute (int, u32_t, u32_t);
|
| zoot661 |
0:f993b6d8b1d8
|
470
|
|
| zoot661 |
0:f993b6d8b1d8
|
471
|
/* Get appropriate netmask for address */
|
| zoot661 |
0:f993b6d8b1d8
|
472
|
u32_t GetMask (u32_t);
|
| zoot661 |
0:f993b6d8b1d8
|
473
|
|
| zoot661 |
0:f993b6d8b1d8
|
474
|
#if LWIP_NETIF_STATUS_CALLBACK
|
| zoot661 |
0:f993b6d8b1d8
|
475
|
void ppp_set_netif_statuscallback(int pd, netif_status_callback_fn status_callback);
|
| zoot661 |
0:f993b6d8b1d8
|
476
|
#endif /* LWIP_NETIF_STATUS_CALLBACK */
|
| zoot661 |
0:f993b6d8b1d8
|
477
|
#if LWIP_NETIF_LINK_CALLBACK
|
| zoot661 |
0:f993b6d8b1d8
|
478
|
void ppp_set_netif_linkcallback(int pd, netif_status_callback_fn link_callback);
|
| zoot661 |
0:f993b6d8b1d8
|
479
|
#endif /* LWIP_NETIF_LINK_CALLBACK */
|
| zoot661 |
0:f993b6d8b1d8
|
480
|
|
| zoot661 |
0:f993b6d8b1d8
|
481
|
#endif /* PPP_SUPPORT */
|
| zoot661 |
0:f993b6d8b1d8
|
482
|
|
| zoot661 |
0:f993b6d8b1d8
|
483
|
#endif /* PPP_H */
|
Rob Greenhill