X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=include%2Flinux%2Fppp_defs.h;fp=include%2Flinux%2Fppp_defs.h;h=8913ae70242cc2b9659b4817f11bbfa1892cee74;hp=0000000000000000000000000000000000000000;hb=0f61ac5460e89dd768f1fb56fbdd8fa6f8af79f1;hpb=2874cacceefc32c0371e0670af1604a99554161a diff --git a/include/linux/ppp_defs.h b/include/linux/ppp_defs.h new file mode 100644 index 0000000..8913ae7 --- /dev/null +++ b/include/linux/ppp_defs.h @@ -0,0 +1,177 @@ +/* $Id: ppp_defs.h,v 1.1 1995/12/18 03:38:15 paulus Exp $ */ + +/* + * ppp_defs.h - PPP definitions. + * + * Copyright (c) 1994 The Australian National University. + * All rights reserved. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation is hereby granted, provided that the above copyright + * notice appears in all copies. This software is provided without any + * warranty, express or implied. The Australian National University + * makes no representations about the suitability of this software for + * any purpose. + * + * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY + * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF + * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO + * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, + * OR MODIFICATIONS. + */ + +/* + * ==FILEVERSION 6== + * + * NOTE TO MAINTAINERS: + * If you modify this file at all, increment the number above. + * ppp_defs.h is shipped with a PPP distribution as well as with the kernel; + * if everyone increases the FILEVERSION number above, then scripts + * can do the right thing when deciding whether to install a new ppp_defs.h + * file. Don't change the format of that line otherwise, so the + * installation script can recognize it. + */ + +#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_IPX 0x2b /* IPX 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_IPXCP 0x802b /* IPX 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 */ + +/* + * A 32-bit unsigned integral type. + */ +#ifndef __BIT_TYPES_DEFINED__ +#ifdef UINT32_T +typedef UINT32_T u_int32_t; +#else +typedef unsigned int u_int32_t; +#endif +#endif + +/* + * 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 for LQRP and pppstats + */ +struct pppstat { + u_int ppp_discards; /* # frames discarded */ + + u_int ppp_ibytes; /* bytes received */ + u_int ppp_ioctects; /* bytes received not in error */ + u_int ppp_ipackets; /* packets received */ + u_int ppp_ierrors; /* receive errors */ + u_int ppp_ilqrs; /* # LQR frames received */ + + u_int ppp_obytes; /* raw bytes sent */ + u_int ppp_ooctects; /* frame bytes sent */ + u_int ppp_opackets; /* packets sent */ + u_int ppp_oerrors; /* transmit errors */ + u_int ppp_olqrs; /* # LQR frames sent */ +}; + +struct vjstat { + u_int vjs_packets; /* outbound packets */ + u_int vjs_compressed; /* outbound compressed packets */ + u_int vjs_searches; /* searches for connection state */ + u_int vjs_misses; /* times couldn't find conn. state */ + u_int vjs_uncompressedin; /* inbound uncompressed packets */ + u_int vjs_compressedin; /* inbound compressed packets */ + u_int vjs_errorin; /* inbound unknown type packets */ + u_int vjs_tossed; /* inbound packets tossed because of error */ +}; + +struct compstat { + u_int unc_bytes; /* total uncompressed bytes */ + u_int unc_packets; /* total uncompressed packets */ + u_int comp_bytes; /* compressed bytes */ + u_int comp_packets; /* compressed packets */ + u_int inc_bytes; /* incompressible bytes */ + u_int inc_packets; /* incompressible packets */ + /* the compression ratio is defined as in_count / bytes_out */ + u_int in_count; /* Bytes received */ + u_int bytes_out; /* Bytes transmitted */ + double ratio; /* not computed in kernel. */ +}; + +struct ppp_stats { + struct pppstat p; /* basic PPP statistics */ + struct vjstat vj; /* VJ header compression statistics */ +}; + +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_ */