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lwip/netif/ppp/lcp.h@0:281d6ff68967, 2010-11-19 (annotated)

Committer:: hexley
Date:: Fri Nov 19 01:54:45 2010 +0000
Revision:: 0:281d6ff68967

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User	Revision	Line number	New contents of line
hexley	0:281d6ff68967	1	/*****************************************************************************
hexley	0:281d6ff68967	2	* lcp.h - Network Link Control Protocol header file.
hexley	0:281d6ff68967	3	*
hexley	0:281d6ff68967	4	* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
hexley	0:281d6ff68967	5	* portions Copyright (c) 1997 Global Election Systems Inc.
hexley	0:281d6ff68967	6	*
hexley	0:281d6ff68967	7	* The authors hereby grant permission to use, copy, modify, distribute,
hexley	0:281d6ff68967	8	* and license this software and its documentation for any purpose, provided
hexley	0:281d6ff68967	9	* that existing copyright notices are retained in all copies and that this
hexley	0:281d6ff68967	10	* notice and the following disclaimer are included verbatim in any
hexley	0:281d6ff68967	11	* distributions. No written agreement, license, or royalty fee is required
hexley	0:281d6ff68967	12	* for any of the authorized uses.
hexley	0:281d6ff68967	13	*
hexley	0:281d6ff68967	14	* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS AS IS AND ANY EXPRESS OR
hexley	0:281d6ff68967	15	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
hexley	0:281d6ff68967	16	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
hexley	0:281d6ff68967	17	* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
hexley	0:281d6ff68967	18	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
hexley	0:281d6ff68967	19	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
hexley	0:281d6ff68967	20	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
hexley	0:281d6ff68967	21	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
hexley	0:281d6ff68967	22	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
hexley	0:281d6ff68967	23	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
hexley	0:281d6ff68967	24	*
hexley	0:281d6ff68967	25	******************************************************************************
hexley	0:281d6ff68967	26	* REVISION HISTORY
hexley	0:281d6ff68967	27	*
hexley	0:281d6ff68967	28	* 03-01-01 Marc Boucher <marc@mbsi.ca>
hexley	0:281d6ff68967	29	* Ported to lwIP.
hexley	0:281d6ff68967	30	* 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
hexley	0:281d6ff68967	31	* Original derived from BSD codes.
hexley	0:281d6ff68967	32	*****************************************************************************/
hexley	0:281d6ff68967	33	/*
hexley	0:281d6ff68967	34	* lcp.h - Link Control Protocol definitions.
hexley	0:281d6ff68967	35	*
hexley	0:281d6ff68967	36	* Copyright (c) 1989 Carnegie Mellon University.
hexley	0:281d6ff68967	37	* All rights reserved.
hexley	0:281d6ff68967	38	*
hexley	0:281d6ff68967	39	* Redistribution and use in source and binary forms are permitted
hexley	0:281d6ff68967	40	* provided that the above copyright notice and this paragraph are
hexley	0:281d6ff68967	41	* duplicated in all such forms and that any documentation,
hexley	0:281d6ff68967	42	* advertising materials, and other materials related to such
hexley	0:281d6ff68967	43	* distribution and use acknowledge that the software was developed
hexley	0:281d6ff68967	44	* by Carnegie Mellon University. The name of the
hexley	0:281d6ff68967	45	* University may not be used to endorse or promote products derived
hexley	0:281d6ff68967	46	* from this software without specific prior written permission.
hexley	0:281d6ff68967	47	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
hexley	0:281d6ff68967	48	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
hexley	0:281d6ff68967	49	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
hexley	0:281d6ff68967	50	*
hexley	0:281d6ff68967	51	* $Id: lcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
hexley	0:281d6ff68967	52	*/
hexley	0:281d6ff68967	53
hexley	0:281d6ff68967	54	#ifndef LCP_H
hexley	0:281d6ff68967	55	#define LCP_H
hexley	0:281d6ff68967	56	/*
hexley	0:281d6ff68967	57	* Options.
hexley	0:281d6ff68967	58	*/
hexley	0:281d6ff68967	59	#define CI_MRU 1 /* Maximum Receive Unit */
hexley	0:281d6ff68967	60	#define CI_ASYNCMAP 2 /* Async Control Character Map */
hexley	0:281d6ff68967	61	#define CI_AUTHTYPE 3 /* Authentication Type */
hexley	0:281d6ff68967	62	#define CI_QUALITY 4 /* Quality Protocol */
hexley	0:281d6ff68967	63	#define CI_MAGICNUMBER 5 /* Magic Number */
hexley	0:281d6ff68967	64	#define CI_PCOMPRESSION 7 /* Protocol Field Compression */
hexley	0:281d6ff68967	65	#define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
hexley	0:281d6ff68967	66	#define CI_CALLBACK 13 /* callback */
hexley	0:281d6ff68967	67	#define CI_MRRU 17 /* max reconstructed receive unit; multilink */
hexley	0:281d6ff68967	68	#define CI_SSNHF 18 /* short sequence numbers for multilink */
hexley	0:281d6ff68967	69	#define CI_EPDISC 19 /* endpoint discriminator */
hexley	0:281d6ff68967	70
hexley	0:281d6ff68967	71	/*
hexley	0:281d6ff68967	72	* LCP-specific packet types (code numbers).
hexley	0:281d6ff68967	73	*/
hexley	0:281d6ff68967	74	#define PROTREJ 8 /* Protocol Reject */
hexley	0:281d6ff68967	75	#define ECHOREQ 9 /* Echo Request */
hexley	0:281d6ff68967	76	#define ECHOREP 10 /* Echo Reply */
hexley	0:281d6ff68967	77	#define DISCREQ 11 /* Discard Request */
hexley	0:281d6ff68967	78	#define CBCP_OPT 6 /* Use callback control protocol */
hexley	0:281d6ff68967	79
hexley	0:281d6ff68967	80	/*
hexley	0:281d6ff68967	81	* The state of options is described by an lcp_options structure.
hexley	0:281d6ff68967	82	*/
hexley	0:281d6ff68967	83	typedef struct lcp_options {
hexley	0:281d6ff68967	84	u_int passive : 1; /* Don't die if we don't get a response */
hexley	0:281d6ff68967	85	u_int silent : 1; /* Wait for the other end to start first */
hexley	0:281d6ff68967	86	u_int restart : 1; /* Restart vs. exit after close */
hexley	0:281d6ff68967	87	u_int neg_mru : 1; /* Negotiate the MRU? */
hexley	0:281d6ff68967	88	u_int neg_asyncmap : 1; /* Negotiate the async map? */
hexley	0:281d6ff68967	89	u_int neg_upap : 1; /* Ask for UPAP authentication? */
hexley	0:281d6ff68967	90	u_int neg_chap : 1; /* Ask for CHAP authentication? */
hexley	0:281d6ff68967	91	u_int neg_magicnumber : 1; /* Ask for magic number? */
hexley	0:281d6ff68967	92	u_int neg_pcompression : 1; /* HDLC Protocol Field Compression? */
hexley	0:281d6ff68967	93	u_int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
hexley	0:281d6ff68967	94	u_int neg_lqr : 1; /* Negotiate use of Link Quality Reports */
hexley	0:281d6ff68967	95	u_int neg_cbcp : 1; /* Negotiate use of CBCP */
hexley	0:281d6ff68967	96	#ifdef PPP_MULTILINK
hexley	0:281d6ff68967	97	u_int neg_mrru : 1; /* Negotiate multilink MRRU */
hexley	0:281d6ff68967	98	u_int neg_ssnhf : 1; /* Negotiate short sequence numbers */
hexley	0:281d6ff68967	99	u_int neg_endpoint : 1; /* Negotiate endpoint discriminator */
hexley	0:281d6ff68967	100	#endif
hexley	0:281d6ff68967	101	u_short mru; /* Value of MRU */
hexley	0:281d6ff68967	102	#ifdef PPP_MULTILINK
hexley	0:281d6ff68967	103	u_short mrru; /* Value of MRRU, and multilink enable */
hexley	0:281d6ff68967	104	#endif
hexley	0:281d6ff68967	105	u_char chap_mdtype; /* which MD type (hashing algorithm) */
hexley	0:281d6ff68967	106	u32_t asyncmap; /* Value of async map */
hexley	0:281d6ff68967	107	u32_t magicnumber;
hexley	0:281d6ff68967	108	int numloops; /* Number of loops during magic number neg. */
hexley	0:281d6ff68967	109	u32_t lqr_period; /* Reporting period for LQR 1/100ths second */
hexley	0:281d6ff68967	110	#ifdef PPP_MULTILINK
hexley	0:281d6ff68967	111	struct epdisc endpoint; /* endpoint discriminator */
hexley	0:281d6ff68967	112	#endif
hexley	0:281d6ff68967	113	} lcp_options;
hexley	0:281d6ff68967	114
hexley	0:281d6ff68967	115	/*
hexley	0:281d6ff68967	116	* Values for phase from BSD pppd.h based on RFC 1661.
hexley	0:281d6ff68967	117	*/
hexley	0:281d6ff68967	118	typedef enum {
hexley	0:281d6ff68967	119	PHASE_DEAD = 0,
hexley	0:281d6ff68967	120	PHASE_INITIALIZE,
hexley	0:281d6ff68967	121	PHASE_ESTABLISH,
hexley	0:281d6ff68967	122	PHASE_AUTHENTICATE,
hexley	0:281d6ff68967	123	PHASE_CALLBACK,
hexley	0:281d6ff68967	124	PHASE_NETWORK,
hexley	0:281d6ff68967	125	PHASE_TERMINATE
hexley	0:281d6ff68967	126	} LinkPhase;
hexley	0:281d6ff68967	127
hexley	0:281d6ff68967	128
hexley	0:281d6ff68967	129
hexley	0:281d6ff68967	130	extern LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
hexley	0:281d6ff68967	131	extern lcp_options lcp_wantoptions[];
hexley	0:281d6ff68967	132	extern lcp_options lcp_gotoptions[];
hexley	0:281d6ff68967	133	extern lcp_options lcp_allowoptions[];
hexley	0:281d6ff68967	134	extern lcp_options lcp_hisoptions[];
hexley	0:281d6ff68967	135	extern ext_accm xmit_accm[];
hexley	0:281d6ff68967	136
hexley	0:281d6ff68967	137
hexley	0:281d6ff68967	138	void lcp_init (int);
hexley	0:281d6ff68967	139	void lcp_open (int);
hexley	0:281d6ff68967	140	void lcp_close (int, char *);
hexley	0:281d6ff68967	141	void lcp_lowerup (int);
hexley	0:281d6ff68967	142	void lcp_lowerdown(int);
hexley	0:281d6ff68967	143	void lcp_sprotrej (int, u_char , int); / send protocol reject */
hexley	0:281d6ff68967	144
hexley	0:281d6ff68967	145	extern struct protent lcp_protent;
hexley	0:281d6ff68967	146
hexley	0:281d6ff68967	147	/* Default number of times we receive our magic number from the peer
hexley	0:281d6ff68967	148	before deciding the link is looped-back. */
hexley	0:281d6ff68967	149	#define DEFLOOPBACKFAIL 10
hexley	0:281d6ff68967	150
hexley	0:281d6ff68967	151	#endif /* LCP_H */

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Type:	Library
Created:	19 Nov 2010
Imports:	44
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	1

lwip/netif/ppp/lcp.h@0:281d6ff68967, 2010-11-19 (annotated)

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