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lwip/netif/ppp/lcp.h@0:d7bd7384a37c, 2016-12-07 (annotated)

Committer:
grzemich
Date:
Wed Dec 07 23:47:50 2016 +0000
Revision:
0:d7bd7384a37c
dgd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
grzemich 0:d7bd7384a37c 1 /*****************************************************************************
grzemich 0:d7bd7384a37c 2 * lcp.h - Network Link Control Protocol header file.
grzemich 0:d7bd7384a37c 3 *
grzemich 0:d7bd7384a37c 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
grzemich 0:d7bd7384a37c 5 * portions Copyright (c) 1997 Global Election Systems Inc.
grzemich 0:d7bd7384a37c 6 *
grzemich 0:d7bd7384a37c 7 * The authors hereby grant permission to use, copy, modify, distribute,
grzemich 0:d7bd7384a37c 8 * and license this software and its documentation for any purpose, provided
grzemich 0:d7bd7384a37c 9 * that existing copyright notices are retained in all copies and that this
grzemich 0:d7bd7384a37c 10 * notice and the following disclaimer are included verbatim in any
grzemich 0:d7bd7384a37c 11 * distributions. No written agreement, license, or royalty fee is required
grzemich 0:d7bd7384a37c 12 * for any of the authorized uses.
grzemich 0:d7bd7384a37c 13 *
grzemich 0:d7bd7384a37c 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
grzemich 0:d7bd7384a37c 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
grzemich 0:d7bd7384a37c 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
grzemich 0:d7bd7384a37c 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
grzemich 0:d7bd7384a37c 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
grzemich 0:d7bd7384a37c 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
grzemich 0:d7bd7384a37c 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
grzemich 0:d7bd7384a37c 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
grzemich 0:d7bd7384a37c 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
grzemich 0:d7bd7384a37c 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
grzemich 0:d7bd7384a37c 24 *
grzemich 0:d7bd7384a37c 25 ******************************************************************************
grzemich 0:d7bd7384a37c 26 * REVISION HISTORY
grzemich 0:d7bd7384a37c 27 *
grzemich 0:d7bd7384a37c 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
grzemich 0:d7bd7384a37c 29 * Ported to lwIP.
grzemich 0:d7bd7384a37c 30 * 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
grzemich 0:d7bd7384a37c 31 * Original derived from BSD codes.
grzemich 0:d7bd7384a37c 32 *****************************************************************************/
grzemich 0:d7bd7384a37c 33 /*
grzemich 0:d7bd7384a37c 34 * lcp.h - Link Control Protocol definitions.
grzemich 0:d7bd7384a37c 35 *
grzemich 0:d7bd7384a37c 36 * Copyright (c) 1989 Carnegie Mellon University.
grzemich 0:d7bd7384a37c 37 * All rights reserved.
grzemich 0:d7bd7384a37c 38 *
grzemich 0:d7bd7384a37c 39 * Redistribution and use in source and binary forms are permitted
grzemich 0:d7bd7384a37c 40 * provided that the above copyright notice and this paragraph are
grzemich 0:d7bd7384a37c 41 * duplicated in all such forms and that any documentation,
grzemich 0:d7bd7384a37c 42 * advertising materials, and other materials related to such
grzemich 0:d7bd7384a37c 43 * distribution and use acknowledge that the software was developed
grzemich 0:d7bd7384a37c 44 * by Carnegie Mellon University. The name of the
grzemich 0:d7bd7384a37c 45 * University may not be used to endorse or promote products derived
grzemich 0:d7bd7384a37c 46 * from this software without specific prior written permission.
grzemich 0:d7bd7384a37c 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
grzemich 0:d7bd7384a37c 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
grzemich 0:d7bd7384a37c 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
grzemich 0:d7bd7384a37c 50 *
grzemich 0:d7bd7384a37c 51 * $Id: lcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
grzemich 0:d7bd7384a37c 52 */
grzemich 0:d7bd7384a37c 53
grzemich 0:d7bd7384a37c 54 #ifndef LCP_H
grzemich 0:d7bd7384a37c 55 #define LCP_H
grzemich 0:d7bd7384a37c 56 /*
grzemich 0:d7bd7384a37c 57 * Options.
grzemich 0:d7bd7384a37c 58 */
grzemich 0:d7bd7384a37c 59 #define CI_MRU 1 /* Maximum Receive Unit */
grzemich 0:d7bd7384a37c 60 #define CI_ASYNCMAP 2 /* Async Control Character Map */
grzemich 0:d7bd7384a37c 61 #define CI_AUTHTYPE 3 /* Authentication Type */
grzemich 0:d7bd7384a37c 62 #define CI_QUALITY 4 /* Quality Protocol */
grzemich 0:d7bd7384a37c 63 #define CI_MAGICNUMBER 5 /* Magic Number */
grzemich 0:d7bd7384a37c 64 #define CI_PCOMPRESSION 7 /* Protocol Field Compression */
grzemich 0:d7bd7384a37c 65 #define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
grzemich 0:d7bd7384a37c 66 #define CI_CALLBACK 13 /* callback */
grzemich 0:d7bd7384a37c 67 #define CI_MRRU 17 /* max reconstructed receive unit; multilink */
grzemich 0:d7bd7384a37c 68 #define CI_SSNHF 18 /* short sequence numbers for multilink */
grzemich 0:d7bd7384a37c 69 #define CI_EPDISC 19 /* endpoint discriminator */
grzemich 0:d7bd7384a37c 70
grzemich 0:d7bd7384a37c 71 /*
grzemich 0:d7bd7384a37c 72 * LCP-specific packet types (code numbers).
grzemich 0:d7bd7384a37c 73 */
grzemich 0:d7bd7384a37c 74 #define PROTREJ 8 /* Protocol Reject */
grzemich 0:d7bd7384a37c 75 #define ECHOREQ 9 /* Echo Request */
grzemich 0:d7bd7384a37c 76 #define ECHOREP 10 /* Echo Reply */
grzemich 0:d7bd7384a37c 77 #define DISCREQ 11 /* Discard Request */
grzemich 0:d7bd7384a37c 78 #define CBCP_OPT 6 /* Use callback control protocol */
grzemich 0:d7bd7384a37c 79
grzemich 0:d7bd7384a37c 80 /*
grzemich 0:d7bd7384a37c 81 * The state of options is described by an lcp_options structure.
grzemich 0:d7bd7384a37c 82 */
grzemich 0:d7bd7384a37c 83 typedef struct lcp_options {
grzemich 0:d7bd7384a37c 84 u_int passive : 1; /* Don't die if we don't get a response */
grzemich 0:d7bd7384a37c 85 u_int silent : 1; /* Wait for the other end to start first */
grzemich 0:d7bd7384a37c 86 u_int restart : 1; /* Restart vs. exit after close */
grzemich 0:d7bd7384a37c 87 u_int neg_mru : 1; /* Negotiate the MRU? */
grzemich 0:d7bd7384a37c 88 u_int neg_asyncmap : 1; /* Negotiate the async map? */
grzemich 0:d7bd7384a37c 89 u_int neg_upap : 1; /* Ask for UPAP authentication? */
grzemich 0:d7bd7384a37c 90 u_int neg_chap : 1; /* Ask for CHAP authentication? */
grzemich 0:d7bd7384a37c 91 u_int neg_magicnumber : 1; /* Ask for magic number? */
grzemich 0:d7bd7384a37c 92 u_int neg_pcompression : 1; /* HDLC Protocol Field Compression? */
grzemich 0:d7bd7384a37c 93 u_int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
grzemich 0:d7bd7384a37c 94 u_int neg_lqr : 1; /* Negotiate use of Link Quality Reports */
grzemich 0:d7bd7384a37c 95 u_int neg_cbcp : 1; /* Negotiate use of CBCP */
grzemich 0:d7bd7384a37c 96 #ifdef PPP_MULTILINK
grzemich 0:d7bd7384a37c 97 u_int neg_mrru : 1; /* Negotiate multilink MRRU */
grzemich 0:d7bd7384a37c 98 u_int neg_ssnhf : 1; /* Negotiate short sequence numbers */
grzemich 0:d7bd7384a37c 99 u_int neg_endpoint : 1; /* Negotiate endpoint discriminator */
grzemich 0:d7bd7384a37c 100 #endif
grzemich 0:d7bd7384a37c 101 u_short mru; /* Value of MRU */
grzemich 0:d7bd7384a37c 102 #ifdef PPP_MULTILINK
grzemich 0:d7bd7384a37c 103 u_short mrru; /* Value of MRRU, and multilink enable */
grzemich 0:d7bd7384a37c 104 #endif
grzemich 0:d7bd7384a37c 105 u_char chap_mdtype; /* which MD type (hashing algorithm) */
grzemich 0:d7bd7384a37c 106 u32_t asyncmap; /* Value of async map */
grzemich 0:d7bd7384a37c 107 u32_t magicnumber;
grzemich 0:d7bd7384a37c 108 int numloops; /* Number of loops during magic number neg. */
grzemich 0:d7bd7384a37c 109 u32_t lqr_period; /* Reporting period for LQR 1/100ths second */
grzemich 0:d7bd7384a37c 110 #ifdef PPP_MULTILINK
grzemich 0:d7bd7384a37c 111 struct epdisc endpoint; /* endpoint discriminator */
grzemich 0:d7bd7384a37c 112 #endif
grzemich 0:d7bd7384a37c 113 } lcp_options;
grzemich 0:d7bd7384a37c 114
grzemich 0:d7bd7384a37c 115 /*
grzemich 0:d7bd7384a37c 116 * Values for phase from BSD pppd.h based on RFC 1661.
grzemich 0:d7bd7384a37c 117 */
grzemich 0:d7bd7384a37c 118 typedef enum {
grzemich 0:d7bd7384a37c 119 PHASE_DEAD = 0,
grzemich 0:d7bd7384a37c 120 PHASE_INITIALIZE,
grzemich 0:d7bd7384a37c 121 PHASE_ESTABLISH,
grzemich 0:d7bd7384a37c 122 PHASE_AUTHENTICATE,
grzemich 0:d7bd7384a37c 123 PHASE_CALLBACK,
grzemich 0:d7bd7384a37c 124 PHASE_NETWORK,
grzemich 0:d7bd7384a37c 125 PHASE_TERMINATE
grzemich 0:d7bd7384a37c 126 } LinkPhase;
grzemich 0:d7bd7384a37c 127
grzemich 0:d7bd7384a37c 128
grzemich 0:d7bd7384a37c 129
grzemich 0:d7bd7384a37c 130 extern LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
grzemich 0:d7bd7384a37c 131 extern lcp_options lcp_wantoptions[];
grzemich 0:d7bd7384a37c 132 extern lcp_options lcp_gotoptions[];
grzemich 0:d7bd7384a37c 133 extern lcp_options lcp_allowoptions[];
grzemich 0:d7bd7384a37c 134 extern lcp_options lcp_hisoptions[];
grzemich 0:d7bd7384a37c 135 extern ext_accm xmit_accm[];
grzemich 0:d7bd7384a37c 136
grzemich 0:d7bd7384a37c 137
grzemich 0:d7bd7384a37c 138 void lcp_init (int);
grzemich 0:d7bd7384a37c 139 void lcp_open (int);
grzemich 0:d7bd7384a37c 140 void lcp_close (int, char *);
grzemich 0:d7bd7384a37c 141 void lcp_lowerup (int);
grzemich 0:d7bd7384a37c 142 void lcp_lowerdown(int);
grzemich 0:d7bd7384a37c 143 void lcp_sprotrej (int, u_char *, int); /* send protocol reject */
grzemich 0:d7bd7384a37c 144
grzemich 0:d7bd7384a37c 145 extern struct protent lcp_protent;
grzemich 0:d7bd7384a37c 146
grzemich 0:d7bd7384a37c 147 /* Default number of times we receive our magic number from the peer
grzemich 0:d7bd7384a37c 148 before deciding the link is looped-back. */
grzemich 0:d7bd7384a37c 149 #define DEFLOOPBACKFAIL 10
grzemich 0:d7bd7384a37c 150
grzemich 0:d7bd7384a37c 151 #endif /* LCP_H */