patch-1.3.33 linux/include/linux/if_ppp.h

• Lines: 344
• Date: Mon Oct 9 09:17:54 1995
• Orig file: v1.3.32/linux/include/linux/if_ppp.h
• Orig date: Tue Jul 25 18:21:23 1995

diff -u --recursive --new-file v1.3.32/linux/include/linux/if_ppp.h linux/include/linux/if_ppp.h
@@ -1,237 +1,143 @@
-#ifndef _LINUX_IF_PPP_H
-#define _LINUX_IF_PPP_H
+/*	$Id: if_ppp.h,v 1.3 1995/06/12 11:36:50 paulus Exp $	*/
 
-/* definitions for kernel PPP module
-   Michael Callahan <callahan@maths.ox.ac.uk>
-   Nov. 4 1993 */
-
-/* how many PPP units? */
-#ifdef CONFIG_PPP_LOTS
-#define PPP_NRUNIT     16
-#else
-#define PPP_NRUNIT     4
-#endif
-
-#define PPP_VERSION  "0.2.7"
+/*
+ * if_ppp.h - Point-to-Point Protocol definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
 
-/* line discipline number */
-#define N_PPP	       3
+/*
+ *  ==FILEVERSION 3==
+ *
+ *  NOTE TO MAINTAINERS:
+ *     If you modify this file at all, increment the number above.
+ *     if_ppp.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 if_ppp.h
+ *     file.  Don't change the format of that line otherwise, so the
+ *     installation script can recognize it.
+ */
 
-/* Magic value for the ppp structure */
-#define PPP_MAGIC 0x5002
+#ifndef _IF_PPP_H_
+#define _IF_PPP_H_
 
-#define	PPPIOCGFLAGS	 0x5490	/* get configuration flags */
-#define	PPPIOCSFLAGS	 0x5491	/* set configuration flags */
-#define	PPPIOCGASYNCMAP	 0x5492	/* get async map */
-#define	PPPIOCSASYNCMAP	 0x5493	/* set async map */
-#define	PPPIOCGUNIT	 0x5494	/* get ppp unit number */
-#define PPPIOCSINPSIG	 0x5495	/* set input ready signal */
-#define PPPIOCSDEBUG	 0x5497	/* set debug level */
-#define PPPIOCGDEBUG	 0x5498	/* get debug level */
-#define PPPIOCGSTAT	 0x5499	/* read PPP statistic information */
-#define PPPIOCGTIME	 0x549A	/* read time delta information */
-#define	PPPIOCGXASYNCMAP 0x549B	/* get async table */
-#define	PPPIOCSXASYNCMAP 0x549C	/* set async table */
-#define PPPIOCSMRU	 0x549D	/* set receive unit size for PPP */
-#define PPPIOCRASYNCMAP	 0x549E	/* set receive async map */
-#define PPPIOCSMAXCID    0x549F /* set the maximum compression slot id */
-
-/* special characters in the framing protocol */
-#define	PPP_ALLSTATIONS	0xff	/* All-Stations broadcast address */
-#define	PPP_UI		0x03	/* Unnumbered Information */
-#define PPP_FLAG	0x7E	/* frame delimiter -- marks frame boundaries */
-#define PPP_ADDRESS	0xFF	/* first character of frame   <--  (may be   */
-#define PPP_CONTROL	0x03	/* second character of frame  <-- compressed)*/
-#define	PPP_TRANS	0x20	/* Asynchronous transparency modifier */
-#define PPP_ESC		0x7d	/* escape character -- next character is
-				   data, and the PPP_TRANS bit should be
-				   toggled. PPP_ESC PPP_FLAG is illegal */
-
-/* protocol numbers */
-#define PROTO_IP       0x0021
-#define PROTO_VJCOMP   0x002d
-#define PROTO_VJUNCOMP 0x002f
-
-/* FCS support */
-#define PPP_FCS_INIT   0xffff
-#define PPP_FCS_GOOD   0xf0b8
+/*
+ * Packet sizes
+ */
 
-/* initial MTU */
-#define PPP_MTU	       1500
+#define	PPP_MTU		1500	/* Default MTU (size of Info field) */
+#define PPP_MAXMRU	65000	/* Largest MRU we allow */
+#define PPP_VERSION	"2.2.0"
+#define PPP_MAGIC	0x5002	/* Magic value for the ppp structure */
+#define PROTO_IPX	0x002b	/* protocol numbers */
 
-/* initial MRU */
-#define PPP_MRU	       PPP_MTU
+/*
+ * Bit definitions for flags.
+ */
 
-/* flags */
 #define SC_COMP_PROT	0x00000001	/* protocol compression (output) */
 #define SC_COMP_AC	0x00000002	/* header compression (output) */
 #define	SC_COMP_TCP	0x00000004	/* TCP (VJ) compression (output) */
 #define SC_NO_TCP_CCID	0x00000008	/* disable VJ connection-id comp. */
 #define SC_REJ_COMP_AC	0x00000010	/* reject adrs/ctrl comp. on input */
 #define SC_REJ_COMP_TCP	0x00000020	/* reject TCP (VJ) comp. on input */
+#define SC_CCP_OPEN	0x00000040	/* Look at CCP packets */
+#define SC_CCP_UP	0x00000080	/* May send/recv compressed packets */
 #define SC_ENABLE_IP	0x00000100	/* IP packets may be exchanged */
-#define SC_IP_DOWN	0x00000200	/* give ip frames to pppd */
-#define SC_IP_FLUSH	0x00000400	/* "next time" flag for IP_DOWN */
+#define SC_COMP_RUN	0x00001000	/* compressor has been inited */
+#define SC_DECOMP_RUN	0x00002000	/* decompressor has been inited */
 #define SC_DEBUG	0x00010000	/* enable debug messages */
 #define SC_LOG_INPKT	0x00020000	/* log contents of good pkts recvd */
 #define SC_LOG_OUTPKT	0x00040000	/* log contents of pkts sent */
 #define SC_LOG_RAWIN	0x00080000	/* log all chars received */
 #define SC_LOG_FLUSH	0x00100000	/* log all chars flushed */
+#define	SC_MASK		0x0fE0ffff	/* bits that user can change */
 
-/* Flag bits to determine state of input characters */
-#define SC_RCV_B7_0	0x01000000	/* have rcvd char with bit 7 = 0 */
-#define SC_RCV_B7_1	0x02000000	/* have rcvd char with bit 7 = 0 */
-#define SC_RCV_EVNP	0x04000000	/* have rcvd char with even parity */
-#define SC_RCV_ODDP	0x08000000	/* have rcvd char with odd parity */
-
-#define	SC_MASK		0x0fffffff	/* bits that user can change */
-
-/* flag for doing transmitter lockout */
+/* state bits */
+#define	SC_ESCAPED	0x80000000	/* saw a PPP_ESCAPE */
+#define	SC_FLUSH	0x40000000	/* flush input until next PPP_FLAG */
+#define SC_VJ_RESET	0x20000000	/* Need to reset the VJ decompressor */
 #define SC_XMIT_BUSY	0x10000000	/* ppp_write_wakeup is active */
+#define SC_RCV_ODDP	0x08000000	/* have rcvd char with odd parity */
+#define SC_RCV_EVNP	0x04000000	/* have rcvd char with even parity */
+#define SC_RCV_B7_1	0x02000000	/* have rcvd char with bit 7 = 1 */
+#define SC_RCV_B7_0	0x01000000	/* have rcvd char with bit 7 = 0 */
+#define SC_DC_FERROR	0x00800000	/* fatal decomp error detected */
+#define SC_DC_ERROR	0x00400000	/* non-fatal decomp error detected */
 
 /*
- * This is the format of the data buffer of a LQP packet. The packet data
- * is sent/received to the peer.
+ * Ioctl definitions.
  */
 
-struct ppp_lqp_packet_hdr {
-  __u32		LastOutLQRs;	/* Copied from PeerOutLQRs	 */
-  __u32		LastOutPackets; /* Copied from PeerOutPackets	 */
-  __u32		LastOutOctets;	/* Copied from PeerOutOctets	 */
-  __u32		PeerInLQRs;	/* Copied from SavedInLQRs	 */
-  __u32		PeerInPackets;	/* Copied from SavedInPackets	 */
-  __u32		PeerInDiscards; /* Copied from SavedInDiscards	 */
-  __u32		PeerInErrors;	/* Copied from SavedInErrors	 */
-  __u32		PeerInOctets;	/* Copied from SavedInOctets	 */
-  __u32		PeerOutLQRs;	/* Copied from OutLQRs, plus 1	 */
-  __u32		PeerOutPackets; /* Current ifOutUniPackets, + 1	 */
-  __u32		PeerOutOctets;	/* Current ifOutOctets + LQR	 */
-  };
-
-/*
- * This data is not sent to the remote. It is updated by the driver when
- * a packet is received.
- */
-
-struct ppp_lqp_packet_trailer {
-  __u32		SaveInLQRs;	/* Current InLQRs on reception	 */
-  __u32		SaveInPackets;	/* Current ifInUniPackets	 */
-  __u32		SaveInDiscards; /* Current ifInDiscards		 */
-  __u32		SaveInErrors;	/* Current ifInErrors		 */
-  __u32		SaveInOctets;	/* Current ifInOctects		 */
+struct npioctl {
+    int		protocol;	/* PPP procotol, e.g. PPP_IP */
+    enum NPmode	mode;
 };
 
-/*
- * PPP LQP packet. The packet is changed by the driver immediately prior
- * to transmission and updated upon reception with the current values.
- * So, it must be known to the driver as well as the pppd software.
- */
-
-struct ppp_lpq_packet {
-  __u32				magic;	/* current magic value		 */
-  struct ppp_lqp_packet_hdr	hdr;	/* Header fields for structure	 */
-  struct ppp_lqp_packet_trailer tail;	/* Trailer fields (not sent)	 */
+/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
+struct ppp_option_data {
+	u_char	*ptr;
+	u_int	length;
+	int	transmit;
 };
 
-/*
- * PPP interface statistics. (used by LQP / pppstats)
- */
-
-struct ppp_stats {
-  __u32		rbytes;		/* bytes received		 */
-  __u32		rcomp;		/* compressed packets received	 */
-  __u32		runcomp;	/* uncompressed packets received */
-  __u32		rothers;	/* non-ip frames received	 */
-  __u32		rerrors;	/* received errors		 */
-  __u32		roverrun;	/* "buffer overrun" counter	 */
-  __u32		tossed;		/* packets discarded		 */
-  __u32		runts;		/* frames too short to process	 */
-  __u32		rgiants;	/* frames too large to process	 */
-  __u32		sbytes;		/* bytes sent			 */
-  __u32		scomp;		/* compressed packets sent	 */
-  __u32		suncomp;	/* uncompressed packets sent	 */
-  __u32		sothers;	/* non-ip frames sent		 */
-  __u32		serrors;	/* transmitter errors		 */
-  __u32		sbusy;		/* "transmitter busy" counter	 */
+struct ifpppstatsreq {
+  struct ifreq	   b;
+  struct ppp_stats stats;			/* statistic information */
 };
 
-/*
- * Demand dial fields
- */
-
-struct ppp_ddinfo {
-  unsigned long		ip_sjiffies;	/* time when last IP frame sent */
-  unsigned long		ip_rjiffies;	/* time when last IP frame recvd*/
-  unsigned long		nip_sjiffies;	/* time when last NON-IP sent	*/
-  unsigned long		nip_rjiffies;	/* time when last NON-IP recvd	*/
+struct ifpppcstatsreq {
+  struct ifreq		b;
+  struct ppp_comp_stats stats;
 };
 
-#ifdef __KERNEL__
-
-struct ppp {
-  int			magic;		/* magic value for structure	*/
-
-  /* Bitmapped flag fields. */
-  char			sending;	/* "channel busy" indicator	*/
-  char			escape;		/* 0x20 if prev char was PPP_ESC*/
-  char			toss;		/* toss this frame		*/
-  unsigned long		inuse;		/* are we allocated?		*/
-
-  unsigned int		flags;		/* miscellany			*/
-
-  __u32			xmit_async_map[8]; /* 1 bit means that given control 
-					   character is quoted on output*/
-
-  __u32			recv_async_map; /* 1 bit means that given control 
-					   character is ignored on input*/
-  int			mtu;		/* maximum xmit frame size	*/
-  int			mru;		/* maximum receive frame size	*/
-  unsigned short	fcs;		/* FCS field of current frame	*/
-
-  /* Various fields. */
-  int			line;		/* PPP channel number		*/
-  struct tty_struct	*tty;		/* ptr to TTY structure		*/
-  struct device		*dev;		/* easy for intr handling	*/
-  struct slcompress	*slcomp;	/* for header compression	*/
-  unsigned long		last_xmit;	/* time of last transmission	*/
-
-  /* These are pointers to the malloc()ed frame buffers.
-     These buffers are used while processing a packet.	If a packet
-     has to hang around for the user process to read it, it lingers in
-     the user buffers below. */
-  unsigned char		*rbuff;		/* receiver buffer		*/
-  unsigned char		*xbuff;		/* transmitter buffer		*/
-  unsigned char		*cbuff;		/* compression buffer		*/
-
-  /* These are the various pointers into the buffers. */
-  unsigned char		*rhead;		/* RECV buffer pointer (head)	*/
-  unsigned char		*rend;		/* RECV buffer pointer (end)	*/
-  int			rcount;		/* PPP receive counter		*/
-  unsigned char		*xhead;		/* XMIT buffer pointer (head)	*/
-  unsigned char 	*xtail;		/* XMIT buffer pointer (end) 	*/
-
-  /* Structures for interfacing with the user process. */
-#define RBUFSIZE 4000
-  unsigned char		*us_rbuff;	/* circular incoming packet buf.*/
-  unsigned char		*us_rbuff_end;	/* end of allocated space	*/
-  unsigned char		*us_rbuff_head; /* head of waiting packets	*/
-  unsigned char		*us_rbuff_tail; /* tail of waiting packets	*/
-  unsigned long		us_rbuff_lock;	/* lock: bit 0 head bit 1 tail	*/
-  int			inp_sig;	/* input ready signal for pgrp	*/
-  int			inp_sig_pid;	/* process to get notified	*/
-
-  /* items to support the select() function */
-  struct wait_queue	*write_wait;	/* queue for reading processes	*/
-  struct wait_queue	*read_wait;	/* queue for writing processes	*/
-
-  /* PPP interface statistics. */
-  struct ppp_stats	stats;		/* statistic information	*/
+#define ifr__name       b.ifr_ifrn.ifrn_name
+#define stats_ptr       b.ifr_ifru.ifru_data
 
-  /* PPP demand dial information. */
-  struct ppp_ddinfo	ddinfo;		/* demand dial information	*/
-};
+/*
+ * Ioctl definitions.
+ */
 
-#endif	/* __KERNEL__ */
-#endif	/* _LINUX_PPP_H */
+#define	PPPIOCGFLAGS	_IOR('t', 90, int)	/* get configuration flags */
+#define	PPPIOCSFLAGS	_IOW('t', 89, int)	/* set configuration flags */
+#define	PPPIOCGASYNCMAP	_IOR('t', 88, int)	/* get async map */
+#define	PPPIOCSASYNCMAP	_IOW('t', 87, int)	/* set async map */
+#define	PPPIOCGUNIT	_IOR('t', 86, int)	/* get ppp unit number */
+#define	PPPIOCGRASYNCMAP _IOR('t', 85, int)	/* get receive async map */
+#define	PPPIOCSRASYNCMAP _IOW('t', 84, int)	/* set receive async map */
+#define	PPPIOCGMRU	_IOR('t', 83, int)	/* get max receive unit */
+#define	PPPIOCSMRU	_IOW('t', 82, int)	/* set max receive unit */
+#define	PPPIOCSMAXCID	_IOW('t', 81, int)	/* set VJ max slot ID */
+#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
+#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
+#define PPPIOCXFERUNIT	_IO('t', 78)		/* transfer PPP unit */
+#define PPPIOCSCOMPRESS	_IOW('t', 77, struct ppp_option_data)
+#define PPPIOCGNPMODE	_IOWR('t', 76, struct npioctl) /* get NP mode */
+#define PPPIOCSNPMODE	_IOW('t', 75, struct npioctl)  /* set NP mode */
+#define PPPIOCGDEBUG	_IOR('t', 65, int)	/* Read debug level */
+#define PPPIOCSDEBUG	_IOW('t', 64, int)	/* Set debug level */
+#define PPPIOCGIDLE	_IOR('t', 63, struct ppp_idle) /* get idle time */
+
+#define SIOCGPPPSTATS   (SIOCDEVPRIVATE + 0)
+#define SIOCGPPPVER     (SIOCDEVPRIVATE + 1)  /* NEVER change this!! */
+#define SIOCGPPPCSTATS  (SIOCDEVPRIVATE + 2)
 
+#if !defined(ifr_mtu)
+#define ifr_mtu	ifr_ifru.ifru_metric
+#endif
 
+#endif /* _IF_PPP_H_ */