mirror of
https://github.com/0xFEEDC0DE64/arduino-esp32.git
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96822d783f
* TX Flow Control and Code cleanup * Use semaphore instead of delay TX functionality is done. * Use single buffer and empty queue on exit * Fix compile issues because of LwIP code relocation * Add temporary header to fix Azure not compiling * Fix AsyncUDP early init * AsyncUDP Multicast fixes * Add source mac address and rework multicast * Allow redefinition of default pins for Serials 1 and 2 * Update IDF to 3276a13 * Update esptool.py to 2.5.0 * Fix sketches * Fix log level in BluetoothSetial
157 lines
4.8 KiB
C
157 lines
4.8 KiB
C
/*
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* ccp.h - Definitions for PPP Compression Control Protocol.
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*
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* Copyright (c) 1994-2002 Paul Mackerras. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. The name(s) of the authors of this software must not be used to
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* endorse or promote products derived from this software without
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* prior written permission.
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*
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* 3. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by Paul Mackerras
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* <paulus@samba.org>".
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*
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* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $Id: ccp.h,v 1.12 2004/11/04 10:02:26 paulus Exp $
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*/
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#include "netif/ppp/ppp_opts.h"
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#if PPP_SUPPORT && CCP_SUPPORT /* don't build if not configured for use in lwipopts.h */
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#ifndef CCP_H
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#define CCP_H
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/*
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* CCP codes.
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*/
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#define CCP_CONFREQ 1
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#define CCP_CONFACK 2
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#define CCP_TERMREQ 5
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#define CCP_TERMACK 6
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#define CCP_RESETREQ 14
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#define CCP_RESETACK 15
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/*
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* Max # bytes for a CCP option
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*/
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#define CCP_MAX_OPTION_LENGTH 32
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/*
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* Parts of a CCP packet.
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*/
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#define CCP_CODE(dp) ((dp)[0])
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#define CCP_ID(dp) ((dp)[1])
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#define CCP_LENGTH(dp) (((dp)[2] << 8) + (dp)[3])
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#define CCP_HDRLEN 4
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#define CCP_OPT_CODE(dp) ((dp)[0])
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#define CCP_OPT_LENGTH(dp) ((dp)[1])
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#define CCP_OPT_MINLEN 2
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#if BSDCOMPRESS_SUPPORT
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/*
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* Definitions for BSD-Compress.
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*/
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#define CI_BSD_COMPRESS 21 /* config. option for BSD-Compress */
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#define CILEN_BSD_COMPRESS 3 /* length of config. option */
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/* Macros for handling the 3rd byte of the BSD-Compress config option. */
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#define BSD_NBITS(x) ((x) & 0x1F) /* number of bits requested */
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#define BSD_VERSION(x) ((x) >> 5) /* version of option format */
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#define BSD_CURRENT_VERSION 1 /* current version number */
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#define BSD_MAKE_OPT(v, n) (((v) << 5) | (n))
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#define BSD_MIN_BITS 9 /* smallest code size supported */
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#define BSD_MAX_BITS 15 /* largest code size supported */
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#endif /* BSDCOMPRESS_SUPPORT */
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#if DEFLATE_SUPPORT
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/*
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* Definitions for Deflate.
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*/
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#define CI_DEFLATE 26 /* config option for Deflate */
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#define CI_DEFLATE_DRAFT 24 /* value used in original draft RFC */
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#define CILEN_DEFLATE 4 /* length of its config option */
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#define DEFLATE_MIN_SIZE 9
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#define DEFLATE_MAX_SIZE 15
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#define DEFLATE_METHOD_VAL 8
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#define DEFLATE_SIZE(x) (((x) >> 4) + 8)
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#define DEFLATE_METHOD(x) ((x) & 0x0F)
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#define DEFLATE_MAKE_OPT(w) ((((w) - 8) << 4) + DEFLATE_METHOD_VAL)
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#define DEFLATE_CHK_SEQUENCE 0
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#endif /* DEFLATE_SUPPORT */
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#if MPPE_SUPPORT
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/*
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* Definitions for MPPE.
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*/
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#define CI_MPPE 18 /* config option for MPPE */
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#define CILEN_MPPE 6 /* length of config option */
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#endif /* MPPE_SUPPORT */
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#if PREDICTOR_SUPPORT
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/*
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* Definitions for other, as yet unsupported, compression methods.
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*/
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#define CI_PREDICTOR_1 1 /* config option for Predictor-1 */
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#define CILEN_PREDICTOR_1 2 /* length of its config option */
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#define CI_PREDICTOR_2 2 /* config option for Predictor-2 */
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#define CILEN_PREDICTOR_2 2 /* length of its config option */
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#endif /* PREDICTOR_SUPPORT */
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typedef struct ccp_options {
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#if DEFLATE_SUPPORT
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unsigned int deflate :1; /* do Deflate? */
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unsigned int deflate_correct :1; /* use correct code for deflate? */
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unsigned int deflate_draft :1; /* use draft RFC code for deflate? */
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#endif /* DEFLATE_SUPPORT */
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#if BSDCOMPRESS_SUPPORT
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unsigned int bsd_compress :1; /* do BSD Compress? */
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#endif /* BSDCOMPRESS_SUPPORT */
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#if PREDICTOR_SUPPORT
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unsigned int predictor_1 :1; /* do Predictor-1? */
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unsigned int predictor_2 :1; /* do Predictor-2? */
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#endif /* PREDICTOR_SUPPORT */
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#if MPPE_SUPPORT
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u8_t mppe; /* MPPE bitfield */
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#endif /* MPPE_SUPPORT */
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#if BSDCOMPRESS_SUPPORT
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u_short bsd_bits; /* # bits/code for BSD Compress */
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#endif /* BSDCOMPRESS_SUPPORT */
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#if DEFLATE_SUPPORT
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u_short deflate_size; /* lg(window size) for Deflate */
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#endif /* DEFLATE_SUPPORT */
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u8_t method; /* code for chosen compression method */
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} ccp_options;
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extern const struct protent ccp_protent;
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void ccp_resetrequest(ppp_pcb *pcb); /* Issue a reset-request. */
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#endif /* CCP_H */
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#endif /* PPP_SUPPORT && CCP_SUPPORT */
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