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Dependencies:   mbed

NetServices/lwip/netif/ppp/lcp.h@1:f5ac63519541, 2014-03-05 (annotated)

Committer:
Michael J. Spencer
Date:
Wed Mar 05 06:14:02 2014 -0800
Revision:
1:f5ac63519541
Initial commit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Michael J. Spencer 1:f5ac63519541 1 /*****************************************************************************
Michael J. Spencer 1:f5ac63519541 2 * lcp.h - Network Link Control Protocol header file.
Michael J. Spencer 1:f5ac63519541 3 *
Michael J. Spencer 1:f5ac63519541 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
Michael J. Spencer 1:f5ac63519541 5 * portions Copyright (c) 1997 Global Election Systems Inc.
Michael J. Spencer 1:f5ac63519541 6 *
Michael J. Spencer 1:f5ac63519541 7 * The authors hereby grant permission to use, copy, modify, distribute,
Michael J. Spencer 1:f5ac63519541 8 * and license this software and its documentation for any purpose, provided
Michael J. Spencer 1:f5ac63519541 9 * that existing copyright notices are retained in all copies and that this
Michael J. Spencer 1:f5ac63519541 10 * notice and the following disclaimer are included verbatim in any
Michael J. Spencer 1:f5ac63519541 11 * distributions. No written agreement, license, or royalty fee is required
Michael J. Spencer 1:f5ac63519541 12 * for any of the authorized uses.
Michael J. Spencer 1:f5ac63519541 13 *
Michael J. Spencer 1:f5ac63519541 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
Michael J. Spencer 1:f5ac63519541 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
Michael J. Spencer 1:f5ac63519541 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
Michael J. Spencer 1:f5ac63519541 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
Michael J. Spencer 1:f5ac63519541 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
Michael J. Spencer 1:f5ac63519541 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Michael J. Spencer 1:f5ac63519541 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Michael J. Spencer 1:f5ac63519541 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Michael J. Spencer 1:f5ac63519541 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
Michael J. Spencer 1:f5ac63519541 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Michael J. Spencer 1:f5ac63519541 24 *
Michael J. Spencer 1:f5ac63519541 25 ******************************************************************************
Michael J. Spencer 1:f5ac63519541 26 * REVISION HISTORY
Michael J. Spencer 1:f5ac63519541 27 *
Michael J. Spencer 1:f5ac63519541 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
Michael J. Spencer 1:f5ac63519541 29 * Ported to lwIP.
Michael J. Spencer 1:f5ac63519541 30 * 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
Michael J. Spencer 1:f5ac63519541 31 * Original derived from BSD codes.
Michael J. Spencer 1:f5ac63519541 32 *****************************************************************************/
Michael J. Spencer 1:f5ac63519541 33 /*
Michael J. Spencer 1:f5ac63519541 34 * lcp.h - Link Control Protocol definitions.
Michael J. Spencer 1:f5ac63519541 35 *
Michael J. Spencer 1:f5ac63519541 36 * Copyright (c) 1989 Carnegie Mellon University.
Michael J. Spencer 1:f5ac63519541 37 * All rights reserved.
Michael J. Spencer 1:f5ac63519541 38 *
Michael J. Spencer 1:f5ac63519541 39 * Redistribution and use in source and binary forms are permitted
Michael J. Spencer 1:f5ac63519541 40 * provided that the above copyright notice and this paragraph are
Michael J. Spencer 1:f5ac63519541 41 * duplicated in all such forms and that any documentation,
Michael J. Spencer 1:f5ac63519541 42 * advertising materials, and other materials related to such
Michael J. Spencer 1:f5ac63519541 43 * distribution and use acknowledge that the software was developed
Michael J. Spencer 1:f5ac63519541 44 * by Carnegie Mellon University. The name of the
Michael J. Spencer 1:f5ac63519541 45 * University may not be used to endorse or promote products derived
Michael J. Spencer 1:f5ac63519541 46 * from this software without specific prior written permission.
Michael J. Spencer 1:f5ac63519541 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
Michael J. Spencer 1:f5ac63519541 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
Michael J. Spencer 1:f5ac63519541 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Michael J. Spencer 1:f5ac63519541 50 *
Michael J. Spencer 1:f5ac63519541 51 * $Id: lcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
Michael J. Spencer 1:f5ac63519541 52 */
Michael J. Spencer 1:f5ac63519541 53
Michael J. Spencer 1:f5ac63519541 54 #ifndef LCP_H
Michael J. Spencer 1:f5ac63519541 55 #define LCP_H
Michael J. Spencer 1:f5ac63519541 56 /*
Michael J. Spencer 1:f5ac63519541 57 * Options.
Michael J. Spencer 1:f5ac63519541 58 */
Michael J. Spencer 1:f5ac63519541 59 #define CI_MRU 1 /* Maximum Receive Unit */
Michael J. Spencer 1:f5ac63519541 60 #define CI_ASYNCMAP 2 /* Async Control Character Map */
Michael J. Spencer 1:f5ac63519541 61 #define CI_AUTHTYPE 3 /* Authentication Type */
Michael J. Spencer 1:f5ac63519541 62 #define CI_QUALITY 4 /* Quality Protocol */
Michael J. Spencer 1:f5ac63519541 63 #define CI_MAGICNUMBER 5 /* Magic Number */
Michael J. Spencer 1:f5ac63519541 64 #define CI_PCOMPRESSION 7 /* Protocol Field Compression */
Michael J. Spencer 1:f5ac63519541 65 #define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
Michael J. Spencer 1:f5ac63519541 66 #define CI_CALLBACK 13 /* callback */
Michael J. Spencer 1:f5ac63519541 67 #define CI_MRRU 17 /* max reconstructed receive unit; multilink */
Michael J. Spencer 1:f5ac63519541 68 #define CI_SSNHF 18 /* short sequence numbers for multilink */
Michael J. Spencer 1:f5ac63519541 69 #define CI_EPDISC 19 /* endpoint discriminator */
Michael J. Spencer 1:f5ac63519541 70
Michael J. Spencer 1:f5ac63519541 71 /*
Michael J. Spencer 1:f5ac63519541 72 * LCP-specific packet types (code numbers).
Michael J. Spencer 1:f5ac63519541 73 */
Michael J. Spencer 1:f5ac63519541 74 #define PROTREJ 8 /* Protocol Reject */
Michael J. Spencer 1:f5ac63519541 75 #define ECHOREQ 9 /* Echo Request */
Michael J. Spencer 1:f5ac63519541 76 #define ECHOREP 10 /* Echo Reply */
Michael J. Spencer 1:f5ac63519541 77 #define DISCREQ 11 /* Discard Request */
Michael J. Spencer 1:f5ac63519541 78 #define CBCP_OPT 6 /* Use callback control protocol */
Michael J. Spencer 1:f5ac63519541 79
Michael J. Spencer 1:f5ac63519541 80 /*
Michael J. Spencer 1:f5ac63519541 81 * The state of options is described by an lcp_options structure.
Michael J. Spencer 1:f5ac63519541 82 */
Michael J. Spencer 1:f5ac63519541 83 typedef struct lcp_options {
Michael J. Spencer 1:f5ac63519541 84 u_int passive : 1; /* Don't die if we don't get a response */
Michael J. Spencer 1:f5ac63519541 85 u_int silent : 1; /* Wait for the other end to start first */
Michael J. Spencer 1:f5ac63519541 86 u_int restart : 1; /* Restart vs. exit after close */
Michael J. Spencer 1:f5ac63519541 87 u_int neg_mru : 1; /* Negotiate the MRU? */
Michael J. Spencer 1:f5ac63519541 88 u_int neg_asyncmap : 1; /* Negotiate the async map? */
Michael J. Spencer 1:f5ac63519541 89 u_int neg_upap : 1; /* Ask for UPAP authentication? */
Michael J. Spencer 1:f5ac63519541 90 u_int neg_chap : 1; /* Ask for CHAP authentication? */
Michael J. Spencer 1:f5ac63519541 91 u_int neg_magicnumber : 1; /* Ask for magic number? */
Michael J. Spencer 1:f5ac63519541 92 u_int neg_pcompression : 1; /* HDLC Protocol Field Compression? */
Michael J. Spencer 1:f5ac63519541 93 u_int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
Michael J. Spencer 1:f5ac63519541 94 u_int neg_lqr : 1; /* Negotiate use of Link Quality Reports */
Michael J. Spencer 1:f5ac63519541 95 u_int neg_cbcp : 1; /* Negotiate use of CBCP */
Michael J. Spencer 1:f5ac63519541 96 #ifdef PPP_MULTILINK
Michael J. Spencer 1:f5ac63519541 97 u_int neg_mrru : 1; /* Negotiate multilink MRRU */
Michael J. Spencer 1:f5ac63519541 98 u_int neg_ssnhf : 1; /* Negotiate short sequence numbers */
Michael J. Spencer 1:f5ac63519541 99 u_int neg_endpoint : 1; /* Negotiate endpoint discriminator */
Michael J. Spencer 1:f5ac63519541 100 #endif
Michael J. Spencer 1:f5ac63519541 101 u_short mru; /* Value of MRU */
Michael J. Spencer 1:f5ac63519541 102 #ifdef PPP_MULTILINK
Michael J. Spencer 1:f5ac63519541 103 u_short mrru; /* Value of MRRU, and multilink enable */
Michael J. Spencer 1:f5ac63519541 104 #endif
Michael J. Spencer 1:f5ac63519541 105 u_char chap_mdtype; /* which MD type (hashing algorithm) */
Michael J. Spencer 1:f5ac63519541 106 u32_t asyncmap; /* Value of async map */
Michael J. Spencer 1:f5ac63519541 107 u32_t magicnumber;
Michael J. Spencer 1:f5ac63519541 108 int numloops; /* Number of loops during magic number neg. */
Michael J. Spencer 1:f5ac63519541 109 u32_t lqr_period; /* Reporting period for LQR 1/100ths second */
Michael J. Spencer 1:f5ac63519541 110 #ifdef PPP_MULTILINK
Michael J. Spencer 1:f5ac63519541 111 struct epdisc endpoint; /* endpoint discriminator */
Michael J. Spencer 1:f5ac63519541 112 #endif
Michael J. Spencer 1:f5ac63519541 113 } lcp_options;
Michael J. Spencer 1:f5ac63519541 114
Michael J. Spencer 1:f5ac63519541 115 /*
Michael J. Spencer 1:f5ac63519541 116 * Values for phase from BSD pppd.h based on RFC 1661.
Michael J. Spencer 1:f5ac63519541 117 */
Michael J. Spencer 1:f5ac63519541 118 typedef enum {
Michael J. Spencer 1:f5ac63519541 119 PHASE_DEAD = 0,
Michael J. Spencer 1:f5ac63519541 120 PHASE_INITIALIZE,
Michael J. Spencer 1:f5ac63519541 121 PHASE_ESTABLISH,
Michael J. Spencer 1:f5ac63519541 122 PHASE_AUTHENTICATE,
Michael J. Spencer 1:f5ac63519541 123 PHASE_CALLBACK,
Michael J. Spencer 1:f5ac63519541 124 PHASE_NETWORK,
Michael J. Spencer 1:f5ac63519541 125 PHASE_TERMINATE
Michael J. Spencer 1:f5ac63519541 126 } LinkPhase;
Michael J. Spencer 1:f5ac63519541 127
Michael J. Spencer 1:f5ac63519541 128
Michael J. Spencer 1:f5ac63519541 129
Michael J. Spencer 1:f5ac63519541 130 extern LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
Michael J. Spencer 1:f5ac63519541 131 extern lcp_options lcp_wantoptions[];
Michael J. Spencer 1:f5ac63519541 132 extern lcp_options lcp_gotoptions[];
Michael J. Spencer 1:f5ac63519541 133 extern lcp_options lcp_allowoptions[];
Michael J. Spencer 1:f5ac63519541 134 extern lcp_options lcp_hisoptions[];
Michael J. Spencer 1:f5ac63519541 135 extern ext_accm xmit_accm[];
Michael J. Spencer 1:f5ac63519541 136
Michael J. Spencer 1:f5ac63519541 137
Michael J. Spencer 1:f5ac63519541 138 void lcp_init (int);
Michael J. Spencer 1:f5ac63519541 139 void lcp_open (int);
Michael J. Spencer 1:f5ac63519541 140 void lcp_close (int, char *);
Michael J. Spencer 1:f5ac63519541 141 void lcp_lowerup (int);
Michael J. Spencer 1:f5ac63519541 142 void lcp_lowerdown(int);
Michael J. Spencer 1:f5ac63519541 143 void lcp_sprotrej (int, u_char *, int); /* send protocol reject */
Michael J. Spencer 1:f5ac63519541 144
Michael J. Spencer 1:f5ac63519541 145 extern struct protent lcp_protent;
Michael J. Spencer 1:f5ac63519541 146
Michael J. Spencer 1:f5ac63519541 147 /* Default number of times we receive our magic number from the peer
Michael J. Spencer 1:f5ac63519541 148 before deciding the link is looped-back. */
Michael J. Spencer 1:f5ac63519541 149 #define DEFLOOPBACKFAIL 10
Michael J. Spencer 1:f5ac63519541 150
Michael J. Spencer 1:f5ac63519541 151 #endif /* LCP_H */