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Diffstat (limited to 'lwip/src/include/netif/ppp/lcp.h')
| -rw-r--r-- | lwip/src/include/netif/ppp/lcp.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/lwip/src/include/netif/ppp/lcp.h b/lwip/src/include/netif/ppp/lcp.h new file mode 100644 index 0000000..18ad1cb --- /dev/null +++ b/lwip/src/include/netif/ppp/lcp.h @@ -0,0 +1,179 @@ +/* + * 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 1.20 2004/11/14 22:53:42 carlsonj Exp $ + */ + +#include "netif/ppp/ppp_opts.h" +#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */ + +#ifndef LCP_H +#define LCP_H + +#include "ppp.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Options. + */ +#define CI_VENDOR 0 /* Vendor Specific */ +#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_FCSALTERN 9 /* FCS-Alternatives */ +#define CI_SDP 10 /* Self-Describing-Pad */ +#define CI_NUMBERED 11 /* Numbered-Mode */ +#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 */ +#define CI_MPPLUS 22 /* Multi-Link-Plus-Procedure */ +#define CI_LDISC 23 /* Link-Discriminator */ +#define CI_LCPAUTH 24 /* LCP Authentication */ +#define CI_COBS 25 /* Consistent Overhead Byte Stuffing */ +#define CI_PREFELIS 26 /* Prefix Elision */ +#define CI_MPHDRFMT 27 /* MP Header Format */ +#define CI_I18N 28 /* Internationalization */ +#define CI_SDL 29 /* Simple Data Link */ + +/* + * LCP-specific packet types (code numbers). + */ +#define PROTREJ 8 /* Protocol Reject */ +#define ECHOREQ 9 /* Echo Request */ +#define ECHOREP 10 /* Echo Reply */ +#define DISCREQ 11 /* Discard Request */ +#define IDENTIF 12 /* Identification */ +#define TIMEREM 13 /* Time Remaining */ + +/* Value used as data for CI_CALLBACK option */ +#define CBCP_OPT 6 /* Use callback control protocol */ + +#if 0 /* moved to ppp_opts.h */ +#define DEFMRU 1500 /* Try for this */ +#define MINMRU 128 /* No MRUs below this */ +#define MAXMRU 16384 /* Normally limit MRU to this */ +#endif /* moved to ppp_opts.h */ + +/* An endpoint discriminator, used with multilink. */ +#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */ +struct epdisc { + unsigned char class_; /* -- The word "class" is reserved in C++. */ + unsigned char length; + unsigned char value[MAX_ENDP_LEN]; +}; + +/* + * The state of options is described by an lcp_options structure. + */ +typedef struct lcp_options { + unsigned int passive :1; /* Don't die if we don't get a response */ + unsigned int silent :1; /* Wait for the other end to start first */ +#if 0 /* UNUSED */ + unsigned int restart :1; /* Restart vs. exit after close */ +#endif /* UNUSED */ + unsigned int neg_mru :1; /* Negotiate the MRU? */ + unsigned int neg_asyncmap :1; /* Negotiate the async map? */ +#if PAP_SUPPORT + unsigned int neg_upap :1; /* Ask for UPAP authentication? */ +#endif /* PAP_SUPPORT */ +#if CHAP_SUPPORT + unsigned int neg_chap :1; /* Ask for CHAP authentication? */ +#endif /* CHAP_SUPPORT */ +#if EAP_SUPPORT + unsigned int neg_eap :1; /* Ask for EAP authentication? */ +#endif /* EAP_SUPPORT */ + unsigned int neg_magicnumber :1; /* Ask for magic number? */ + unsigned int neg_pcompression :1; /* HDLC Protocol Field Compression? */ + unsigned int neg_accompression :1; /* HDLC Address/Control Field Compression? */ +#if LQR_SUPPORT + unsigned int neg_lqr :1; /* Negotiate use of Link Quality Reports */ +#endif /* LQR_SUPPORT */ + unsigned int neg_cbcp :1; /* Negotiate use of CBCP */ +#ifdef HAVE_MULTILINK + unsigned int neg_mrru :1; /* negotiate multilink MRRU */ +#endif /* HAVE_MULTILINK */ + unsigned int neg_ssnhf :1; /* negotiate short sequence numbers */ + unsigned int neg_endpoint :1; /* negotiate endpoint discriminator */ + + u16_t mru; /* Value of MRU */ +#ifdef HAVE_MULTILINK + u16_t mrru; /* Value of MRRU, and multilink enable */ +#endif /* MULTILINK */ +#if CHAP_SUPPORT + u8_t chap_mdtype; /* which MD types (hashing algorithm) */ +#endif /* CHAP_SUPPORT */ + u32_t asyncmap; /* Value of async map */ + u32_t magicnumber; + u8_t numloops; /* Number of loops during magic number neg. */ +#if LQR_SUPPORT + u32_t lqr_period; /* Reporting period for LQR 1/100ths second */ +#endif /* LQR_SUPPORT */ + struct epdisc endpoint; /* endpoint discriminator */ +} lcp_options; + +void lcp_open(ppp_pcb *pcb); +void lcp_close(ppp_pcb *pcb, const char *reason); +void lcp_lowerup(ppp_pcb *pcb); +void lcp_lowerdown(ppp_pcb *pcb); +void lcp_sprotrej(ppp_pcb *pcb, u_char *p, int len); /* send protocol reject */ + +extern const struct protent lcp_protent; + +#if 0 /* moved to ppp_opts.h */ +/* Default number of times we receive our magic number from the peer + before deciding the link is looped-back. */ +#define DEFLOOPBACKFAIL 10 +#endif /* moved to ppp_opts.h */ + +#ifdef __cplusplus +} +#endif + +#endif /* LCP_H */ +#endif /* PPP_SUPPORT */ |