include/linux/ppp_defs.h - kernel/msm - Gitiles

 /*
  * 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.
  */

 #include <linux/types.h>

 /*
  *  ==FILEVERSION 20000114==
  *
  *  NOTE TO MAINTAINERS:
  *     If you modify this file at all, please set the above date.
  *     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)	(((__u8 *)(p))[0])
 #define PPP_CONTROL(p)	(((__u8 *)(p))[1])
 #define PPP_PROTOCOL(p)	((((__u8 *)(p))[2] << 8) + ((__u8 *)(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_IPX		0x2b	/* IPX protocol */
 #define	PPP_VJC_COMP	0x2d	/* VJ compressed TCP */
 #define	PPP_VJC_UNCOMP	0x2f	/* VJ uncompressed TCP */
 #define PPP_MP		0x3d	/* Multilink protocol */
 #define PPP_IPV6	0x57	/* Internet Protocol Version 6 */
 #define PPP_COMPFRAG	0xfb	/* fragment compressed below bundle */
 #define PPP_COMP	0xfd	/* compressed packet */
 #define PPP_MPLS_UC	0x0281	/* Multi Protocol Label Switching - Unicast */
 #define PPP_MPLS_MC	0x0283	/* Multi Protocol Label Switching - Multicast */
 #define PPP_IPCP	0x8021	/* IP Control Protocol */
 #define PPP_ATCP	0x8029	/* AppleTalk Control Protocol */
 #define PPP_IPXCP	0x802b	/* IPX Control Protocol */
 #define PPP_IPV6CP	0x8057	/* IPv6 Control Protocol */
 #define PPP_CCPFRAG	0x80fb	/* CCP at link level (below MP bundle) */
 #define PPP_CCP		0x80fd	/* Compression Control Protocol */
 #define PPP_MPLSCP	0x80fd	/* MPLS 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 */

 #ifdef __KERNEL__
 #include <linux/crc-ccitt.h>
 #define PPP_FCS(fcs, c) crc_ccitt_byte(fcs, c)
 #endif

 /*
  * Extended asyncmap - allows any character to be escaped.
  */

 typedef __u32		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	{
     __u32	ppp_discards;	/* # frames discarded */

     __u32	ppp_ibytes;	/* bytes received */
     __u32	ppp_ioctects;	/* bytes received not in error */
     __u32	ppp_ipackets;	/* packets received */
     __u32	ppp_ierrors;	/* receive errors */
     __u32	ppp_ilqrs;	/* # LQR frames received */

     __u32	ppp_obytes;	/* raw bytes sent */
     __u32	ppp_ooctects;	/* frame bytes sent */
     __u32	ppp_opackets;	/* packets sent */
     __u32	ppp_oerrors;	/* transmit errors */
     __u32	ppp_olqrs;	/* # LQR frames sent */
 };

 struct vjstat {
     __u32	vjs_packets;	/* outbound packets */
     __u32	vjs_compressed;	/* outbound compressed packets */
     __u32	vjs_searches;	/* searches for connection state */
     __u32	vjs_misses;	/* times couldn't find conn. state */
     __u32	vjs_uncompressedin; /* inbound uncompressed packets */
     __u32	vjs_compressedin;   /* inbound compressed packets */
     __u32	vjs_errorin;	/* inbound unknown type packets */
     __u32	vjs_tossed;	/* inbound packets tossed because of error */
 };

 struct compstat {
     __u32	unc_bytes;	/* total uncompressed bytes */
     __u32	unc_packets;	/* total uncompressed packets */
     __u32	comp_bytes;	/* compressed bytes */
     __u32	comp_packets;	/* compressed packets */
     __u32	inc_bytes;	/* incompressible bytes */
     __u32	inc_packets;	/* incompressible packets */

     /* the compression ratio is defined as in_count / bytes_out */
     __u32       in_count;	/* Bytes received */
     __u32       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 {
     __kernel_time_t xmit_idle;	/* time since last NP packet sent */
     __kernel_time_t recv_idle;	/* time since last NP packet received */
 };

 #endif /* _PPP_DEFS_H_ */
	/*
	* 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.
	*/

	#include <linux/types.h>

	/*
	* ==FILEVERSION 20000114==
	*
	* NOTE TO MAINTAINERS:
	* If you modify this file at all, please set the above date.
	* 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) (((__u8 *)(p))[0])
	#define PPP_CONTROL(p) (((__u8 *)(p))[1])
	#define PPP_PROTOCOL(p) ((((__u8 )(p))[2] << 8) + ((__u8 )(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_IPX 0x2b /* IPX protocol */
	#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
	#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
	#define PPP_MP 0x3d /* Multilink protocol */
	#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */
	#define PPP_COMPFRAG 0xfb /* fragment compressed below bundle */
	#define PPP_COMP 0xfd /* compressed packet */
	#define PPP_MPLS_UC 0x0281 /* Multi Protocol Label Switching - Unicast */
	#define PPP_MPLS_MC 0x0283 /* Multi Protocol Label Switching - Multicast */
	#define PPP_IPCP 0x8021 /* IP Control Protocol */
	#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
	#define PPP_IPXCP 0x802b /* IPX Control Protocol */
	#define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */
	#define PPP_CCPFRAG 0x80fb /* CCP at link level (below MP bundle) */
	#define PPP_CCP 0x80fd /* Compression Control Protocol */
	#define PPP_MPLSCP 0x80fd /* MPLS 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 */

	#ifdef __KERNEL__
	#include <linux/crc-ccitt.h>
	#define PPP_FCS(fcs, c) crc_ccitt_byte(fcs, c)
	#endif

	/*
	* Extended asyncmap - allows any character to be escaped.
	*/

	typedef __u32 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 {
	__u32 ppp_discards; /* # frames discarded */

	__u32 ppp_ibytes; /* bytes received */
	__u32 ppp_ioctects; /* bytes received not in error */
	__u32 ppp_ipackets; /* packets received */
	__u32 ppp_ierrors; /* receive errors */
	__u32 ppp_ilqrs; /* # LQR frames received */

	__u32 ppp_obytes; /* raw bytes sent */
	__u32 ppp_ooctects; /* frame bytes sent */
	__u32 ppp_opackets; /* packets sent */
	__u32 ppp_oerrors; /* transmit errors */
	__u32 ppp_olqrs; /* # LQR frames sent */
	};

	struct vjstat {
	__u32 vjs_packets; /* outbound packets */
	__u32 vjs_compressed; /* outbound compressed packets */
	__u32 vjs_searches; /* searches for connection state */
	__u32 vjs_misses; /* times couldn't find conn. state */
	__u32 vjs_uncompressedin; /* inbound uncompressed packets */
	__u32 vjs_compressedin; /* inbound compressed packets */
	__u32 vjs_errorin; /* inbound unknown type packets */
	__u32 vjs_tossed; /* inbound packets tossed because of error */
	};

	struct compstat {
	__u32 unc_bytes; /* total uncompressed bytes */
	__u32 unc_packets; /* total uncompressed packets */
	__u32 comp_bytes; /* compressed bytes */
	__u32 comp_packets; /* compressed packets */
	__u32 inc_bytes; /* incompressible bytes */
	__u32 inc_packets; /* incompressible packets */

	/* the compression ratio is defined as in_count / bytes_out */
	__u32 in_count; /* Bytes received */
	__u32 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 {
	__kernel_time_t xmit_idle; /* time since last NP packet sent */
	__kernel_time_t recv_idle; /* time since last NP packet received */
	};

	#endif /* _PPP_DEFS_H_ */