diff options
Diffstat (limited to 'include/linux/if_ppp.h')
| -rw-r--r-- | include/linux/if_ppp.h | 326 |
1 files changed, 120 insertions, 206 deletions
diff --git a/include/linux/if_ppp.h b/include/linux/if_ppp.h index 51389df71..1d3a750d8 100644 --- a/include/linux/if_ppp.h +++ b/include/linux/if_ppp.h @@ -1,237 +1,151 @@ -#ifndef _LINUX_IF_PPP_H -#define _LINUX_IF_PPP_H - -/* 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 +/* $Id: if_ppp.h,v 1.3 1995/06/12 11:36:50 paulus Exp $ */ + +/* + * 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. + * + */ + +/* + * ==FILEVERSION 960109== + * + * NOTE TO MAINTAINERS: + * If you modify this file at all, please set the above date. + * 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. + */ + +#ifndef _IF_PPP_H_ +#define _IF_PPP_H_ + +#if defined(__linux__) +#include <linux/if.h> +#include <linux/ioctl.h> +#include <linux/ppp_defs.h> #endif -#define PPP_VERSION "0.2.7" - -/* line discipline number */ -#define N_PPP 3 - -/* Magic value for the ppp structure */ -#define PPP_MAGIC 0x5002 - -#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 - -/* initial MTU */ -#define PPP_MTU 1500 - -/* initial MRU */ -#define PPP_MRU PPP_MTU - -/* flags */ +/* + * Packet sizes + */ + +#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 */ +#define PROTO_DNA_RT 0x0027 /* DNA Routing */ + + +/* + * Bit definitions for 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. - */ - -struct ppp_lqp_packet_hdr { - unsigned long LastOutLQRs; /* Copied from PeerOutLQRs */ - unsigned long LastOutPackets; /* Copied from PeerOutPackets */ - unsigned long LastOutOctets; /* Copied from PeerOutOctets */ - unsigned long PeerInLQRs; /* Copied from SavedInLQRs */ - unsigned long PeerInPackets; /* Copied from SavedInPackets */ - unsigned long PeerInDiscards; /* Copied from SavedInDiscards */ - unsigned long PeerInErrors; /* Copied from SavedInErrors */ - unsigned long PeerInOctets; /* Copied from SavedInOctets */ - unsigned long PeerOutLQRs; /* Copied from OutLQRs, plus 1 */ - unsigned long PeerOutPackets; /* Current ifOutUniPackets, + 1 */ - unsigned long PeerOutOctets; /* Current ifOutOctets + LQR */ - }; - -/* - * This data is not sent to the remote. It is updated by the driver when - * a packet is received. + * Ioctl definitions. */ -struct ppp_lqp_packet_trailer { - unsigned long SaveInLQRs; /* Current InLQRs on reception */ - unsigned long SaveInPackets; /* Current ifInUniPackets */ - unsigned long SaveInDiscards; /* Current ifInDiscards */ - unsigned long SaveInErrors; /* Current ifInErrors */ - unsigned long SaveInOctets; /* Current ifInOctects */ +struct npioctl { + int protocol; /* PPP protocol, 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 { - unsigned long 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 { + __u8 *ptr; + __u32 length; + int transmit; }; -/* - * PPP interface statistics. (used by LQP / pppstats) - */ - -struct ppp_stats { - unsigned long rbytes; /* bytes received */ - unsigned long rcomp; /* compressed packets received */ - unsigned long runcomp; /* uncompressed packets received */ - unsigned long rothers; /* non-ip frames received */ - unsigned long rerrors; /* received errors */ - unsigned long roverrun; /* "buffer overrun" counter */ - unsigned long tossed; /* packets discarded */ - unsigned long runts; /* frames too short to process */ - unsigned long rgiants; /* frames too large to process */ - unsigned long sbytes; /* bytes sent */ - unsigned long scomp; /* compressed packets sent */ - unsigned long suncomp; /* uncompressed packets sent */ - unsigned long sothers; /* non-ip frames sent */ - unsigned long serrors; /* transmitter errors */ - unsigned long 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 inuse; /* are we allocated? */ - char sending; /* "channel busy" indicator */ - char escape; /* 0x20 if prev char was PPP_ESC*/ - char toss; /* toss this frame */ - - unsigned int flags; /* miscellany */ - - unsigned long xmit_async_map[8]; /* 1 bit means that given control - character is quoted on output*/ - - unsigned long 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 char 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 */ - - /* PPP demand dial information. */ - struct ppp_ddinfo ddinfo; /* demand dial information */ -}; +#define ifr__name b.ifr_ifrn.ifrn_name +#define stats_ptr b.ifr_ifru.ifru_data -#endif /* __KERNEL__ */ -#endif /* _LINUX_PPP_H */ +/* + * Ioctl definitions. + */ +#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_ */ |