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Diffstat (limited to 'pppd_plugin/src/pppd/lcp.h')
| -rw-r--r-- | pppd_plugin/src/pppd/lcp.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/pppd_plugin/src/pppd/lcp.h b/pppd_plugin/src/pppd/lcp.h new file mode 100644 index 00000000..23f3c849 --- /dev/null +++ b/pppd_plugin/src/pppd/lcp.h @@ -0,0 +1,119 @@ +/* + * lcp.h - Link Control Protocol definitions. + * + * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The name "Carnegie Mellon University" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For permission or any legal + * details, please contact + * Office of Technology Transfer + * Carnegie Mellon University + * 5000 Forbes Avenue + * Pittsburgh, PA 15213-3890 + * (412) 268-4387, fax: (412) 268-7395 + * tech-transfer@andrew.cmu.edu + * + * 4. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by Computing Services + * at Carnegie Mellon University (http://www.cmu.edu/computing/)." + * + * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO + * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE + * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $Id: lcp.h,v 1.19 2002/12/04 23:03:32 paulus 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 */ +#define CI_CALLBACK 13 /* callback */ +#define CI_MRRU 17 /* max reconstructed receive unit; multilink */ +#define CI_SSNHF 18 /* short sequence numbers for multilink */ +#define CI_EPDISC 19 /* endpoint discriminator */ + +/* + * LCP-specific packet types. + */ +#define PROTREJ 8 /* Protocol Reject */ +#define ECHOREQ 9 /* Echo Request */ +#define ECHOREP 10 /* Echo Reply */ +#define DISCREQ 11 /* Discard Request */ +#define CBCP_OPT 6 /* Use callback control protocol */ + +/* + * The state of options is described by an lcp_options structure. + */ +typedef struct lcp_options { + bool passive; /* Don't die if we don't get a response */ + bool silent; /* Wait for the other end to start first */ + bool restart; /* Restart vs. exit after close */ + bool neg_mru; /* Negotiate the MRU? */ + bool neg_asyncmap; /* Negotiate the async map? */ + bool neg_upap; /* Ask for UPAP authentication? */ + bool neg_chap; /* Ask for CHAP authentication? */ + bool neg_eap; /* Ask for EAP authentication? */ + bool neg_magicnumber; /* Ask for magic number? */ + bool neg_pcompression; /* HDLC Protocol Field Compression? */ + bool neg_accompression; /* HDLC Address/Control Field Compression? */ + bool neg_lqr; /* Negotiate use of Link Quality Reports */ + bool neg_cbcp; /* Negotiate use of CBCP */ + bool neg_mrru; /* negotiate multilink MRRU */ + bool neg_ssnhf; /* negotiate short sequence numbers */ + bool neg_endpoint; /* negotiate endpoint discriminator */ + int mru; /* Value of MRU */ + int mrru; /* Value of MRRU, and multilink enable */ + u_char chap_mdtype; /* which MD types (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 */ + struct epdisc endpoint; /* endpoint discriminator */ +} 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[]; + +#define DEFMRU 1500 /* Try for this */ +#define MINMRU 128 /* No MRUs below this */ +#define MAXMRU 16384 /* Normally limit MRU to this */ + +void lcp_open __P((int)); +void lcp_close __P((int, char *)); +void lcp_lowerup __P((int)); +void lcp_lowerdown __P((int)); +void lcp_sprotrej __P((int, u_char *, int)); /* send protocol reject */ + +extern struct protent lcp_protent; + +/* Default number of times we receive our magic number from the peer + before deciding the link is looped-back. */ +#define DEFLOOPBACKFAIL 10 |