lcp.h
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上传用户:luoyougen
上传日期:2008-05-12
资源大小:23136k
文件大小:3k
源码类别:
VxWorks
开发平台:
C/C++
- /* lcp.h - Link Control Protocol header */
- /* Copyright 1995 Wind River Systems, Inc. */
- /*
- * Copyright (c) 1989 Carnegie Mellon University.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
- /*
- modification history
- --------------------
- 01a,16jan95,dzb WRS-ize.
- */
- #ifndef __INClcph
- #define __INClcph
- #ifdef __cplusplus
- extern "C" {
- #endif
- /*
- * Options.
- */
- #define CI_MRU 1 /* Maximum Receive Unit */
- #define CI_ASYNCMAP 2 /* Async Control Character Map */
- #define CI_AUTHTYPE 3 /* Authentication Type */
- #define CI_QUALITY 4 /* Quality Protocol */
- #define CI_MAGICNUMBER 5 /* Magic Number */
- #define CI_PCOMPRESSION 7 /* Protocol Field Compression */
- #define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
- /*
- * LCP-specific packet types.
- */
- #define PROTREJ 8 /* Protocol Reject */
- #define ECHOREQ 9 /* Echo Request */
- #define ECHOREP 10 /* Echo Reply */
- #define DISCREQ 11 /* Discard Request */
- /*
- * The state of options is described by an lcp_options structure.
- */
- typedef struct lcp_options {
- int passive : 1; /* Don't die if we don't get a response */
- int silent : 1; /* Wait for the other end to start first */
- int restart : 1; /* Restart vs. exit after close */
- int neg_mru : 1; /* Negotiate the MRU? */
- int neg_asyncmap : 1; /* Negotiate the async map? */
- int neg_upap : 1; /* Ask for UPAP authentication? */
- int neg_chap : 1; /* Ask for CHAP authentication? */
- int neg_magicnumber : 1; /* Ask for magic number? */
- int neg_pcompression : 1; /* HDLC Protocol Field Compression? */
- int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
- int neg_lqr : 1; /* Negotiate use of Link Quality Reports */
- u_short mru; /* Value of MRU */
- u_char chap_mdtype; /* which MD type (hashing algorithm) */
- u_long asyncmap; /* Value of async map */
- u_long magicnumber;
- int numloops; /* Number of loops during magic number neg. */
- u_long lqr_period; /* Reporting period for link quality */
- } lcp_options;
- #define DEFMRU 1500 /* Try for this */
- #define MINMRU 128 /* No MRUs below this */
- #define MAXMRU 16384 /* Normally limit MRU to this */
- extern void lcp_init __ARGS((int));
- extern void lcp_open __ARGS((int));
- extern void lcp_close __ARGS((int));
- extern void lcp_lowerup __ARGS((int));
- extern void lcp_lowerdown __ARGS((int));
- extern void lcp_input __ARGS((int, u_char *, int));
- extern void lcp_protrej __ARGS((int));
- extern void lcp_sprotrej __ARGS((int, u_char *, int));
- extern int lcp_printpkt __ARGS((u_char *, int,
- void (*) __ARGS((void *, char *, ...)), void *));
- extern int lcp_warnloops; /* Warn about a loopback this often */
- #define DEFWARNLOOPS 10 /* Default value for above */
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INClcph */