Donatien Garnier / lwip_ppp_ethernet

LwIP with PPP & Ethernet integration

Dependents:   NetworkingCoreLib

This is the mbed port of the LwIP stack: http://savannah.nongnu.org/projects/lwip/

It includes contributed content from NXP's port for LPCxxxx devices: http://www.lpcware.com/content/project/lightweight-ip-lwip-networking-stack

Licence

LwIP is licenced under the BSD licence: 

Copyright (c) 2001-2004 Swedish Institute of Computer Science. 
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 of the author may not be used to endorse or promote products 
derived from this software without specific prior written permission. 
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.

src/netif/ppp/lcp.h@0:8e01dca41002, 2012-05-24 (annotated)

Committer:
donatien
Date:
Thu May 24 15:53:48 2012 +0000
Revision:
0:8e01dca41002
Merge with Emilio's LwIp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:8e01dca41002 1 /*****************************************************************************
donatien 0:8e01dca41002 2 * lcp.h - Network Link Control Protocol header file.
donatien 0:8e01dca41002 3 *
donatien 0:8e01dca41002 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
donatien 0:8e01dca41002 5 * portions Copyright (c) 1997 Global Election Systems Inc.
donatien 0:8e01dca41002 6 *
donatien 0:8e01dca41002 7 * The authors hereby grant permission to use, copy, modify, distribute,
donatien 0:8e01dca41002 8 * and license this software and its documentation for any purpose, provided
donatien 0:8e01dca41002 9 * that existing copyright notices are retained in all copies and that this
donatien 0:8e01dca41002 10 * notice and the following disclaimer are included verbatim in any
donatien 0:8e01dca41002 11 * distributions. No written agreement, license, or royalty fee is required
donatien 0:8e01dca41002 12 * for any of the authorized uses.
donatien 0:8e01dca41002 13 *
donatien 0:8e01dca41002 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
donatien 0:8e01dca41002 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
donatien 0:8e01dca41002 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
donatien 0:8e01dca41002 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
donatien 0:8e01dca41002 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
donatien 0:8e01dca41002 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
donatien 0:8e01dca41002 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
donatien 0:8e01dca41002 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
donatien 0:8e01dca41002 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
donatien 0:8e01dca41002 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
donatien 0:8e01dca41002 24 *
donatien 0:8e01dca41002 25 ******************************************************************************
donatien 0:8e01dca41002 26 * REVISION HISTORY
donatien 0:8e01dca41002 27 *
donatien 0:8e01dca41002 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
donatien 0:8e01dca41002 29 * Ported to lwIP.
donatien 0:8e01dca41002 30 * 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
donatien 0:8e01dca41002 31 * Original derived from BSD codes.
donatien 0:8e01dca41002 32 *****************************************************************************/
donatien 0:8e01dca41002 33 /*
donatien 0:8e01dca41002 34 * lcp.h - Link Control Protocol definitions.
donatien 0:8e01dca41002 35 *
donatien 0:8e01dca41002 36 * Copyright (c) 1989 Carnegie Mellon University.
donatien 0:8e01dca41002 37 * All rights reserved.
donatien 0:8e01dca41002 38 *
donatien 0:8e01dca41002 39 * Redistribution and use in source and binary forms are permitted
donatien 0:8e01dca41002 40 * provided that the above copyright notice and this paragraph are
donatien 0:8e01dca41002 41 * duplicated in all such forms and that any documentation,
donatien 0:8e01dca41002 42 * advertising materials, and other materials related to such
donatien 0:8e01dca41002 43 * distribution and use acknowledge that the software was developed
donatien 0:8e01dca41002 44 * by Carnegie Mellon University. The name of the
donatien 0:8e01dca41002 45 * University may not be used to endorse or promote products derived
donatien 0:8e01dca41002 46 * from this software without specific prior written permission.
donatien 0:8e01dca41002 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
donatien 0:8e01dca41002 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
donatien 0:8e01dca41002 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
donatien 0:8e01dca41002 50 *
donatien 0:8e01dca41002 51 * $Id: lcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
donatien 0:8e01dca41002 52 */
donatien 0:8e01dca41002 53
donatien 0:8e01dca41002 54 #ifndef LCP_H
donatien 0:8e01dca41002 55 #define LCP_H
donatien 0:8e01dca41002 56 /*
donatien 0:8e01dca41002 57 * Options.
donatien 0:8e01dca41002 58 */
donatien 0:8e01dca41002 59 #define CI_MRU 1 /* Maximum Receive Unit */
donatien 0:8e01dca41002 60 #define CI_ASYNCMAP 2 /* Async Control Character Map */
donatien 0:8e01dca41002 61 #define CI_AUTHTYPE 3 /* Authentication Type */
donatien 0:8e01dca41002 62 #define CI_QUALITY 4 /* Quality Protocol */
donatien 0:8e01dca41002 63 #define CI_MAGICNUMBER 5 /* Magic Number */
donatien 0:8e01dca41002 64 #define CI_PCOMPRESSION 7 /* Protocol Field Compression */
donatien 0:8e01dca41002 65 #define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
donatien 0:8e01dca41002 66 #define CI_CALLBACK 13 /* callback */
donatien 0:8e01dca41002 67 #define CI_MRRU 17 /* max reconstructed receive unit; multilink */
donatien 0:8e01dca41002 68 #define CI_SSNHF 18 /* short sequence numbers for multilink */
donatien 0:8e01dca41002 69 #define CI_EPDISC 19 /* endpoint discriminator */
donatien 0:8e01dca41002 70
donatien 0:8e01dca41002 71 /*
donatien 0:8e01dca41002 72 * LCP-specific packet types (code numbers).
donatien 0:8e01dca41002 73 */
donatien 0:8e01dca41002 74 #define PROTREJ 8 /* Protocol Reject */
donatien 0:8e01dca41002 75 #define ECHOREQ 9 /* Echo Request */
donatien 0:8e01dca41002 76 #define ECHOREP 10 /* Echo Reply */
donatien 0:8e01dca41002 77 #define DISCREQ 11 /* Discard Request */
donatien 0:8e01dca41002 78 #define CBCP_OPT 6 /* Use callback control protocol */
donatien 0:8e01dca41002 79
donatien 0:8e01dca41002 80 /*
donatien 0:8e01dca41002 81 * The state of options is described by an lcp_options structure.
donatien 0:8e01dca41002 82 */
donatien 0:8e01dca41002 83 typedef struct lcp_options {
donatien 0:8e01dca41002 84 u_int passive : 1; /* Don't die if we don't get a response */
donatien 0:8e01dca41002 85 u_int silent : 1; /* Wait for the other end to start first */
donatien 0:8e01dca41002 86 u_int restart : 1; /* Restart vs. exit after close */
donatien 0:8e01dca41002 87 u_int neg_mru : 1; /* Negotiate the MRU? */
donatien 0:8e01dca41002 88 u_int neg_asyncmap : 1; /* Negotiate the async map? */
donatien 0:8e01dca41002 89 u_int neg_upap : 1; /* Ask for UPAP authentication? */
donatien 0:8e01dca41002 90 u_int neg_chap : 1; /* Ask for CHAP authentication? */
donatien 0:8e01dca41002 91 u_int neg_magicnumber : 1; /* Ask for magic number? */
donatien 0:8e01dca41002 92 u_int neg_pcompression : 1; /* HDLC Protocol Field Compression? */
donatien 0:8e01dca41002 93 u_int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
donatien 0:8e01dca41002 94 u_int neg_lqr : 1; /* Negotiate use of Link Quality Reports */
donatien 0:8e01dca41002 95 u_int neg_cbcp : 1; /* Negotiate use of CBCP */
donatien 0:8e01dca41002 96 #ifdef PPP_MULTILINK
donatien 0:8e01dca41002 97 u_int neg_mrru : 1; /* Negotiate multilink MRRU */
donatien 0:8e01dca41002 98 u_int neg_ssnhf : 1; /* Negotiate short sequence numbers */
donatien 0:8e01dca41002 99 u_int neg_endpoint : 1; /* Negotiate endpoint discriminator */
donatien 0:8e01dca41002 100 #endif
donatien 0:8e01dca41002 101 u_short mru; /* Value of MRU */
donatien 0:8e01dca41002 102 #ifdef PPP_MULTILINK
donatien 0:8e01dca41002 103 u_short mrru; /* Value of MRRU, and multilink enable */
donatien 0:8e01dca41002 104 #endif
donatien 0:8e01dca41002 105 u_char chap_mdtype; /* which MD type (hashing algorithm) */
donatien 0:8e01dca41002 106 u32_t asyncmap; /* Value of async map */
donatien 0:8e01dca41002 107 u32_t magicnumber;
donatien 0:8e01dca41002 108 int numloops; /* Number of loops during magic number neg. */
donatien 0:8e01dca41002 109 u32_t lqr_period; /* Reporting period for LQR 1/100ths second */
donatien 0:8e01dca41002 110 #ifdef PPP_MULTILINK
donatien 0:8e01dca41002 111 struct epdisc endpoint; /* endpoint discriminator */
donatien 0:8e01dca41002 112 #endif
donatien 0:8e01dca41002 113 } lcp_options;
donatien 0:8e01dca41002 114
donatien 0:8e01dca41002 115 /*
donatien 0:8e01dca41002 116 * Values for phase from BSD pppd.h based on RFC 1661.
donatien 0:8e01dca41002 117 */
donatien 0:8e01dca41002 118 typedef enum {
donatien 0:8e01dca41002 119 PHASE_DEAD = 0,
donatien 0:8e01dca41002 120 PHASE_INITIALIZE,
donatien 0:8e01dca41002 121 PHASE_ESTABLISH,
donatien 0:8e01dca41002 122 PHASE_AUTHENTICATE,
donatien 0:8e01dca41002 123 PHASE_CALLBACK,
donatien 0:8e01dca41002 124 PHASE_NETWORK,
donatien 0:8e01dca41002 125 PHASE_TERMINATE
donatien 0:8e01dca41002 126 } LinkPhase;
donatien 0:8e01dca41002 127
donatien 0:8e01dca41002 128
donatien 0:8e01dca41002 129
donatien 0:8e01dca41002 130 extern LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
donatien 0:8e01dca41002 131 extern lcp_options lcp_wantoptions[];
donatien 0:8e01dca41002 132 extern lcp_options lcp_gotoptions[];
donatien 0:8e01dca41002 133 extern lcp_options lcp_allowoptions[];
donatien 0:8e01dca41002 134 extern lcp_options lcp_hisoptions[];
donatien 0:8e01dca41002 135 extern ext_accm xmit_accm[];
donatien 0:8e01dca41002 136
donatien 0:8e01dca41002 137
donatien 0:8e01dca41002 138 void lcp_init (int);
donatien 0:8e01dca41002 139 void lcp_open (int);
donatien 0:8e01dca41002 140 void lcp_close (int, char *);
donatien 0:8e01dca41002 141 void lcp_lowerup (int);
donatien 0:8e01dca41002 142 void lcp_lowerdown(int);
donatien 0:8e01dca41002 143 void lcp_sprotrej (int, u_char *, int); /* send protocol reject */
donatien 0:8e01dca41002 144
donatien 0:8e01dca41002 145 extern struct protent lcp_protent;
donatien 0:8e01dca41002 146
donatien 0:8e01dca41002 147 /* Default number of times we receive our magic number from the peer
donatien 0:8e01dca41002 148 before deciding the link is looped-back. */
donatien 0:8e01dca41002 149 #define DEFLOOPBACKFAIL 10
donatien 0:8e01dca41002 150
donatien 0:8e01dca41002 151 #endif /* LCP_H */