root/include/linux/if_ppp.h

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   1 /*      $Id: if_ppp.h,v 1.3 1995/06/12 11:36:50 paulus Exp $    */
   2 
   3 /*
   4  * if_ppp.h - Point-to-Point Protocol definitions.
   5  *
   6  * Copyright (c) 1989 Carnegie Mellon University.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms are permitted
  10  * provided that the above copyright notice and this paragraph are
  11  * duplicated in all such forms and that any documentation,
  12  * advertising materials, and other materials related to such
  13  * distribution and use acknowledge that the software was developed
  14  * by Carnegie Mellon University.  The name of the
  15  * University may not be used to endorse or promote products derived
  16  * from this software without specific prior written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  19  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  *
  21  */
  22 
  23 /*
  24  *  ==FILEVERSION 960109==
  25  *
  26  *  NOTE TO MAINTAINERS:
  27  *     If you modify this file at all, please set the above date.
  28  *     if_ppp.h is shipped with a PPP distribution as well as with the kernel;
  29  *     if everyone increases the FILEVERSION number above, then scripts
  30  *     can do the right thing when deciding whether to install a new if_ppp.h
  31  *     file.  Don't change the format of that line otherwise, so the
  32  *     installation script can recognize it.
  33  */
  34 
  35 #ifndef _IF_PPP_H_
  36 #define _IF_PPP_H_
  37 
  38 #if defined(__linux__)
  39 #include <linux/if.h>
  40 #include <linux/ioctl.h>
  41 #include <linux/ppp_defs.h>
  42 #endif
  43 
  44 /*
  45  * Packet sizes
  46  */
  47 
  48 #define PPP_MTU         1500    /* Default MTU (size of Info field) */
  49 #define PPP_MAXMRU      65000   /* Largest MRU we allow */
  50 #define PPP_VERSION     "2.2.0"
  51 #define PPP_MAGIC       0x5002  /* Magic value for the ppp structure */
  52 #define PROTO_IPX       0x002b  /* protocol numbers */
  53 #define PROTO_DNA_RT    0x0027  /* DNA Routing */
  54 
  55 
  56 /*
  57  * Bit definitions for flags.
  58  */
  59 
  60 #define SC_COMP_PROT    0x00000001      /* protocol compression (output) */
  61 #define SC_COMP_AC      0x00000002      /* header compression (output) */
  62 #define SC_COMP_TCP     0x00000004      /* TCP (VJ) compression (output) */
  63 #define SC_NO_TCP_CCID  0x00000008      /* disable VJ connection-id comp. */
  64 #define SC_REJ_COMP_AC  0x00000010      /* reject adrs/ctrl comp. on input */
  65 #define SC_REJ_COMP_TCP 0x00000020      /* reject TCP (VJ) comp. on input */
  66 #define SC_CCP_OPEN     0x00000040      /* Look at CCP packets */
  67 #define SC_CCP_UP       0x00000080      /* May send/recv compressed packets */
  68 #define SC_ENABLE_IP    0x00000100      /* IP packets may be exchanged */
  69 #define SC_COMP_RUN     0x00001000      /* compressor has been inited */
  70 #define SC_DECOMP_RUN   0x00002000      /* decompressor has been inited */
  71 #define SC_DEBUG        0x00010000      /* enable debug messages */
  72 #define SC_LOG_INPKT    0x00020000      /* log contents of good pkts recvd */
  73 #define SC_LOG_OUTPKT   0x00040000      /* log contents of pkts sent */
  74 #define SC_LOG_RAWIN    0x00080000      /* log all chars received */
  75 #define SC_LOG_FLUSH    0x00100000      /* log all chars flushed */
  76 #define SC_MASK         0x0fE0ffff      /* bits that user can change */
  77 
  78 /* state bits */
  79 #define SC_ESCAPED      0x80000000      /* saw a PPP_ESCAPE */
  80 #define SC_FLUSH        0x40000000      /* flush input until next PPP_FLAG */
  81 #define SC_VJ_RESET     0x20000000      /* Need to reset the VJ decompressor */
  82 #define SC_XMIT_BUSY    0x10000000      /* ppp_write_wakeup is active */
  83 #define SC_RCV_ODDP     0x08000000      /* have rcvd char with odd parity */
  84 #define SC_RCV_EVNP     0x04000000      /* have rcvd char with even parity */
  85 #define SC_RCV_B7_1     0x02000000      /* have rcvd char with bit 7 = 1 */
  86 #define SC_RCV_B7_0     0x01000000      /* have rcvd char with bit 7 = 0 */
  87 #define SC_DC_FERROR    0x00800000      /* fatal decomp error detected */
  88 #define SC_DC_ERROR     0x00400000      /* non-fatal decomp error detected */
  89 
  90 /*
  91  * Ioctl definitions.
  92  */
  93 
  94 struct npioctl {
  95     int         protocol;       /* PPP protocol, e.g. PPP_IP */
  96     enum NPmode mode;
  97 };
  98 
  99 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
 100 struct ppp_option_data {
 101         __u8    *ptr;
 102         __u32   length;
 103         int     transmit;
 104 };
 105 
 106 struct ifpppstatsreq {
 107   struct ifreq     b;
 108   struct ppp_stats stats;                       /* statistic information */
 109 };
 110 
 111 struct ifpppcstatsreq {
 112   struct ifreq          b;
 113   struct ppp_comp_stats stats;
 114 };
 115 
 116 #define ifr__name       b.ifr_ifrn.ifrn_name
 117 #define stats_ptr       b.ifr_ifru.ifru_data
 118 
 119 /*
 120  * Ioctl definitions.
 121  */
 122 
 123 #define PPPIOCGFLAGS    _IOR('t', 90, int)      /* get configuration flags */
 124 #define PPPIOCSFLAGS    _IOW('t', 89, int)      /* set configuration flags */
 125 #define PPPIOCGASYNCMAP _IOR('t', 88, int)      /* get async map */
 126 #define PPPIOCSASYNCMAP _IOW('t', 87, int)      /* set async map */
 127 #define PPPIOCGUNIT     _IOR('t', 86, int)      /* get ppp unit number */
 128 #define PPPIOCGRASYNCMAP _IOR('t', 85, int)     /* get receive async map */
 129 #define PPPIOCSRASYNCMAP _IOW('t', 84, int)     /* set receive async map */
 130 #define PPPIOCGMRU      _IOR('t', 83, int)      /* get max receive unit */
 131 #define PPPIOCSMRU      _IOW('t', 82, int)      /* set max receive unit */
 132 #define PPPIOCSMAXCID   _IOW('t', 81, int)      /* set VJ max slot ID */
 133 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
 134 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
 135 #define PPPIOCXFERUNIT  _IO('t', 78)            /* transfer PPP unit */
 136 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
 137 #define PPPIOCGNPMODE   _IOWR('t', 76, struct npioctl) /* get NP mode */
 138 #define PPPIOCSNPMODE   _IOW('t', 75, struct npioctl)  /* set NP mode */
 139 #define PPPIOCGDEBUG    _IOR('t', 65, int)      /* Read debug level */
 140 #define PPPIOCSDEBUG    _IOW('t', 64, int)      /* Set debug level */
 141 #define PPPIOCGIDLE     _IOR('t', 63, struct ppp_idle) /* get idle time */
 142 
 143 #define SIOCGPPPSTATS   (SIOCDEVPRIVATE + 0)
 144 #define SIOCGPPPVER     (SIOCDEVPRIVATE + 1)  /* NEVER change this!! */
 145 #define SIOCGPPPCSTATS  (SIOCDEVPRIVATE + 2)
 146 
 147 #if !defined(ifr_mtu)
 148 #define ifr_mtu ifr_ifru.ifru_metric
 149 #endif
 150 
 151 #endif /* _IF_PPP_H_ */

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