+++ /dev/null
-/* $Id: ppp_defs.h,v 1.3 2002/12/06 09:49:15 paulus Exp $ */
-
-/*
- * ppp_defs.h - PPP definitions.
- *
- * Copyright (c) 1989-2002 Paul Mackerras. 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(s) of the authors of this software must not be used to
- * endorse or promote products derived from this software without
- * prior written permission.
- *
- * 4. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by Paul Mackerras
- * <paulus@samba.org>".
- *
- * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
- * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS, IN NO EVENT SHALL THE AUTHORS 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.
- */
-
-#ifndef _PPP_DEFS_H_
-#define _PPP_DEFS_H_
-
-/*
- * The basic PPP frame.
- */
-#define PPP_HDRLEN 4 /* octets for standard ppp header */
-#define PPP_FCSLEN 2 /* octets for FCS */
-#define PPP_MRU 1500 /* default MRU = max length of info field */
-
-#define PPP_ADDRESS(p) (((u_char *)(p))[0])
-#define PPP_CONTROL(p) (((u_char *)(p))[1])
-#define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3])
-
-/*
- * Significant octet values.
- */
-#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */
-#define PPP_UI 0x03 /* Unnumbered Information */
-#define PPP_FLAG 0x7e /* Flag Sequence */
-#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */
-#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */
-
-/*
- * Protocol field values.
- */
-#define PPP_IP 0x21 /* Internet Protocol */
-#define PPP_AT 0x29 /* AppleTalk Protocol */
-#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
-#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
-#define PPP_COMP 0xfd /* compressed packet */
-#define PPP_IPCP 0x8021 /* IP Control Protocol */
-#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
-#define PPP_CCP 0x80fd /* Compression Control Protocol */
-#define PPP_LCP 0xc021 /* Link Control Protocol */
-#define PPP_PAP 0xc023 /* Password Authentication Protocol */
-#define PPP_LQR 0xc025 /* Link Quality Report protocol */
-#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */
-#define PPP_CBCP 0xc029 /* Callback Control Protocol */
-
-/*
- * Values for FCS calculations.
- */
-#define PPP_INITFCS 0xffff /* Initial FCS value */
-#define PPP_GOODFCS 0xf0b8 /* Good final FCS value */
-#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
-
-/*
- * Extended asyncmap - allows any character to be escaped.
- */
-typedef u_int32_t ext_accm[8];
-
-/*
- * What to do with network protocol (NP) packets.
- */
-enum NPmode {
- NPMODE_PASS, /* pass the packet through */
- NPMODE_DROP, /* silently drop the packet */
- NPMODE_ERROR, /* return an error */
- NPMODE_QUEUE /* save it up for later. */
-};
-
-/*
- * Statistics.
- */
-struct pppstat {
- unsigned int ppp_ibytes; /* bytes received */
- unsigned int ppp_ipackets; /* packets received */
- unsigned int ppp_ierrors; /* receive errors */
- unsigned int ppp_obytes; /* bytes sent */
- unsigned int ppp_opackets; /* packets sent */
- unsigned int ppp_oerrors; /* transmit errors */
-};
-
-struct vjstat {
- unsigned int vjs_packets; /* outbound packets */
- unsigned int vjs_compressed; /* outbound compressed packets */
- unsigned int vjs_searches; /* searches for connection state */
- unsigned int vjs_misses; /* times couldn't find conn. state */
- unsigned int vjs_uncompressedin; /* inbound uncompressed packets */
- unsigned int vjs_compressedin; /* inbound compressed packets */
- unsigned int vjs_errorin; /* inbound unknown type packets */
- unsigned int vjs_tossed; /* inbound packets tossed because of error */
-};
-
-struct ppp_stats {
- struct pppstat p; /* basic PPP statistics */
- struct vjstat vj; /* VJ header compression statistics */
-};
-
-struct compstat {
- unsigned int unc_bytes; /* total uncompressed bytes */
- unsigned int unc_packets; /* total uncompressed packets */
- unsigned int comp_bytes; /* compressed bytes */
- unsigned int comp_packets; /* compressed packets */
- unsigned int inc_bytes; /* incompressible bytes */
- unsigned int inc_packets; /* incompressible packets */
- unsigned int ratio; /* recent compression ratio << 8 */
-};
-
-struct ppp_comp_stats {
- struct compstat c; /* packet compression statistics */
- struct compstat d; /* packet decompression statistics */
-};
-
-/*
- * The following structure records the time in seconds since
- * the last NP packet was sent or received.
- */
-struct ppp_idle {
- time_t xmit_idle; /* time since last NP packet sent */
- time_t recv_idle; /* time since last NP packet received */
-};
-
-#ifndef __P
-#ifdef __STDC__
-#define __P(x) x
-#else
-#define __P(x) ()
-#endif
-#endif
-
-#endif /* _PPP_DEFS_H_ */
projects / ppp.git / blobdiff