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Diffstat (limited to 'usr.sbin/pppd/lcp.h')
| -rw-r--r-- | usr.sbin/pppd/lcp.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/usr.sbin/pppd/lcp.h b/usr.sbin/pppd/lcp.h new file mode 100644 index 00000000000..7182223bedb --- /dev/null +++ b/usr.sbin/pppd/lcp.h @@ -0,0 +1,88 @@ +/* + * lcp.h - Link Control Protocol definitions. + * + * 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. + * + * $Id: lcp.h,v 1.1 1995/10/18 08:47:59 deraadt Exp $ + */ + +/* + * 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_int32_t asyncmap; /* Value of async map */ + u_int32_t magicnumber; + int numloops; /* Number of loops during magic number neg. */ + u_int32_t lqr_period; /* Reporting period for LQR 1/100ths second */ +} lcp_options; + +extern fsm lcp_fsm[]; +extern lcp_options lcp_wantoptions[]; +extern lcp_options lcp_gotoptions[]; +extern lcp_options lcp_allowoptions[]; +extern lcp_options lcp_hisoptions[]; +extern u_int32_t xmit_accm[][8]; + +#define DEFMRU 1500 /* Try for this */ +#define MINMRU 128 /* No MRUs below this */ +#define MAXMRU 16384 /* Normally limit MRU to this */ + +void lcp_init __P((int)); +void lcp_open __P((int)); +void lcp_close __P((int)); +void lcp_lowerup __P((int)); +void lcp_lowerdown __P((int)); +void lcp_input __P((int, u_char *, int)); +void lcp_protrej __P((int)); +void lcp_sprotrej __P((int, u_char *, int)); +int lcp_printpkt __P((u_char *, int, + void (*) __P((void *, char *, ...)), void *)); + +/* Default number of times we receive our magic number from the peer + before deciding the link is looped-back. */ +#define DEFLOOPBACKFAIL 5 |