source: UsbWattMeter/trunk/lwip-1.4.1/src/netif/ppp/lcp.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 7 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

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1/*****************************************************************************
2* lcp.h - Network Link Control Protocol header file.
3*
4* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
5* portions Copyright (c) 1997 Global Election Systems Inc.
6*
7* The authors hereby grant permission to use, copy, modify, distribute,
8* and license this software and its documentation for any purpose, provided
9* that existing copyright notices are retained in all copies and that this
10* notice and the following disclaimer are included verbatim in any
11* distributions. No written agreement, license, or royalty fee is required
12* for any of the authorized uses.
13*
14* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
15* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
18* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24*
25******************************************************************************
26* REVISION HISTORY
27*
28* 03-01-01 Marc Boucher <marc@mbsi.ca>
29* Ported to lwIP.
30* 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
31* Original derived from BSD codes.
32*****************************************************************************/
33/*
34 * lcp.h - Link Control Protocol definitions.
35 *
36 * Copyright (c) 1989 Carnegie Mellon University.
37 * All rights reserved.
38 *
39 * Redistribution and use in source and binary forms are permitted
40 * provided that the above copyright notice and this paragraph are
41 * duplicated in all such forms and that any documentation,
42 * advertising materials, and other materials related to such
43 * distribution and use acknowledge that the software was developed
44 * by Carnegie Mellon University. The name of the
45 * University may not be used to endorse or promote products derived
46 * from this software without specific prior written permission.
47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
50 *
51 * $Id: lcp.h 164 2016-03-07 11:33:50Z coas-nagasima $
52 */
53
54#ifndef LCP_H
55#define LCP_H
56/*
57 * Options.
58 */
59#define CI_MRU 1 /* Maximum Receive Unit */
60#define CI_ASYNCMAP 2 /* Async Control Character Map */
61#define CI_AUTHTYPE 3 /* Authentication Type */
62#define CI_QUALITY 4 /* Quality Protocol */
63#define CI_MAGICNUMBER 5 /* Magic Number */
64#define CI_PCOMPRESSION 7 /* Protocol Field Compression */
65#define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
66#define CI_CALLBACK 13 /* callback */
67#define CI_MRRU 17 /* max reconstructed receive unit; multilink */
68#define CI_SSNHF 18 /* short sequence numbers for multilink */
69#define CI_EPDISC 19 /* endpoint discriminator */
70
71/*
72 * LCP-specific packet types (code numbers).
73 */
74#define PROTREJ 8 /* Protocol Reject */
75#define ECHOREQ 9 /* Echo Request */
76#define ECHOREP 10 /* Echo Reply */
77#define DISCREQ 11 /* Discard Request */
78#define CBCP_OPT 6 /* Use callback control protocol */
79
80/*
81 * The state of options is described by an lcp_options structure.
82 */
83typedef struct lcp_options {
84 u_int passive : 1; /* Don't die if we don't get a response */
85 u_int silent : 1; /* Wait for the other end to start first */
86 u_int restart : 1; /* Restart vs. exit after close */
87 u_int neg_mru : 1; /* Negotiate the MRU? */
88 u_int neg_asyncmap : 1; /* Negotiate the async map? */
89 u_int neg_upap : 1; /* Ask for UPAP authentication? */
90 u_int neg_chap : 1; /* Ask for CHAP authentication? */
91 u_int neg_magicnumber : 1; /* Ask for magic number? */
92 u_int neg_pcompression : 1; /* HDLC Protocol Field Compression? */
93 u_int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
94 u_int neg_lqr : 1; /* Negotiate use of Link Quality Reports */
95 u_int neg_cbcp : 1; /* Negotiate use of CBCP */
96#ifdef PPP_MULTILINK
97 u_int neg_mrru : 1; /* Negotiate multilink MRRU */
98 u_int neg_ssnhf : 1; /* Negotiate short sequence numbers */
99 u_int neg_endpoint : 1; /* Negotiate endpoint discriminator */
100#endif
101 u_short mru; /* Value of MRU */
102#ifdef PPP_MULTILINK
103 u_short mrru; /* Value of MRRU, and multilink enable */
104#endif
105 u_char chap_mdtype; /* which MD type (hashing algorithm) */
106 u32_t asyncmap; /* Value of async map */
107 u32_t magicnumber;
108 int numloops; /* Number of loops during magic number neg. */
109 u32_t lqr_period; /* Reporting period for LQR 1/100ths second */
110#ifdef PPP_MULTILINK
111 struct epdisc endpoint; /* endpoint discriminator */
112#endif
113} lcp_options;
114
115/*
116 * Values for phase from BSD pppd.h based on RFC 1661.
117 */
118typedef enum {
119 PHASE_DEAD = 0,
120 PHASE_INITIALIZE,
121 PHASE_ESTABLISH,
122 PHASE_AUTHENTICATE,
123 PHASE_CALLBACK,
124 PHASE_NETWORK,
125 PHASE_TERMINATE
126} LinkPhase;
127
128
129
130extern LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
131extern lcp_options lcp_wantoptions[];
132extern lcp_options lcp_gotoptions[];
133extern lcp_options lcp_allowoptions[];
134extern lcp_options lcp_hisoptions[];
135extern ext_accm xmit_accm[];
136
137
138void lcp_init (int);
139void lcp_open (int);
140void lcp_close (int, char *);
141void lcp_lowerup (int);
142void lcp_lowerdown(int);
143void lcp_sprotrej (int, u_char *, int); /* send protocol reject */
144
145extern struct protent lcp_protent;
146
147/* Default number of times we receive our magic number from the peer
148 before deciding the link is looped-back. */
149#define DEFLOOPBACKFAIL 10
150
151#endif /* LCP_H */
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