include/linux/if_ppp.h

   1 /*      $Id: if_ppp.h,v 1.21 2000/03/27 06:03:36 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 20050812==
  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 #include <linux/compiler.h>
  39
  40 /*
  41  * Packet sizes
  42  */
  43
  44 #define PPP_MTU         1500    /* Default MTU (size of Info field) */
  45 #define PPP_MAXMRU      65000   /* Largest MRU we allow */
  46 #define PROTO_IPX       0x002b  /* protocol numbers */
  47 #define PROTO_DNA_RT    0x0027  /* DNA Routing */
  48
  49
  50 /*
  51  * Bit definitions for flags.
  52  */
  53
  54 #define SC_COMP_PROT    0x00000001      /* protocol compression (output) */
  55 #define SC_COMP_AC      0x00000002      /* header compression (output) */
  56 #define SC_COMP_TCP     0x00000004      /* TCP (VJ) compression (output) */
  57 #define SC_NO_TCP_CCID  0x00000008      /* disable VJ connection-id comp. */
  58 #define SC_REJ_COMP_AC  0x00000010      /* reject adrs/ctrl comp. on input */
  59 #define SC_REJ_COMP_TCP 0x00000020      /* reject TCP (VJ) comp. on input */
  60 #define SC_CCP_OPEN     0x00000040      /* Look at CCP packets */
  61 #define SC_CCP_UP       0x00000080      /* May send/recv compressed packets */
  62 #define SC_ENABLE_IP    0x00000100      /* IP packets may be exchanged */
  63 #define SC_LOOP_TRAFFIC 0x00000200      /* send traffic to pppd */
  64 #define SC_MULTILINK    0x00000400      /* do multilink encapsulation */
  65 #define SC_MP_SHORTSEQ  0x00000800      /* use short MP sequence numbers */
  66 #define SC_COMP_RUN     0x00001000      /* compressor has been inited */
  67 #define SC_DECOMP_RUN   0x00002000      /* decompressor has been inited */
  68 #define SC_MP_XSHORTSEQ 0x00004000      /* transmit short MP seq numbers */
  69 #define SC_DEBUG        0x00010000      /* enable debug messages */
  70 #define SC_LOG_INPKT    0x00020000      /* log contents of good pkts recvd */
  71 #define SC_LOG_OUTPKT   0x00040000      /* log contents of pkts sent */
  72 #define SC_LOG_RAWIN    0x00080000      /* log all chars received */
  73 #define SC_LOG_FLUSH    0x00100000      /* log all chars flushed */
  74 #define SC_SYNC         0x00200000      /* synchronous serial mode */
  75 #define SC_MUST_COMP    0x00400000      /* no uncompressed packets may be sent or received */
  76 #define SC_MASK         0x0f600fff      /* bits that user can change */
  77
  78 /* state bits */
  79 #define SC_XMIT_BUSY    0x10000000      /* (used by isdn_ppp?) */
  80 #define SC_RCV_ODDP     0x08000000      /* have rcvd char with odd parity */
  81 #define SC_RCV_EVNP     0x04000000      /* have rcvd char with even parity */
  82 #define SC_RCV_B7_1     0x02000000      /* have rcvd char with bit 7 = 1 */
  83 #define SC_RCV_B7_0     0x01000000      /* have rcvd char with bit 7 = 0 */
  84 #define SC_DC_FERROR    0x00800000      /* fatal decomp error detected */
  85 #define SC_DC_ERROR     0x00400000      /* non-fatal decomp error detected */
  86
  87 /*
  88  * Ioctl definitions.
  89  */
  90
  91 struct npioctl {
  92         int             protocol;       /* PPP protocol, e.g. PPP_IP */
  93         enum NPmode     mode;
  94 };
  95
  96 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
  97 struct ppp_option_data {
  98         __u8    __user *ptr;
  99         __u32   length;
 100         int     transmit;
 101 };
 102
 103 struct ifpppstatsreq {
 104         struct ifreq     b;
 105         struct ppp_stats stats;                 /* statistic information */
 106 };
 107
 108 struct ifpppcstatsreq {
 109         struct ifreq          b;
 110         struct ppp_comp_stats stats;
 111 };
 112
 113 /* For PPPIOCGL2TPSTATS */
 114 struct pppol2tp_ioc_stats {
 115         __u16           tunnel_id;      /* redundant */
 116         __u16           session_id;     /* if zero, get tunnel stats */
 117         __u32           using_ipsec:1;  /* valid only for session_id == 0 */
 118         aligned_u64     tx_packets;
 119         aligned_u64     tx_bytes;
 120         aligned_u64     tx_errors;
 121         aligned_u64     rx_packets;
 122         aligned_u64     rx_bytes;
 123         aligned_u64     rx_seq_discards;
 124         aligned_u64     rx_oos_packets;
 125         aligned_u64     rx_errors;
 126 };
 127
 128 #define ifr__name       b.ifr_ifrn.ifrn_name
 129 #define stats_ptr       b.ifr_ifru.ifru_data
 130
 131 /*
 132  * Ioctl definitions.
 133  */
 134
 135 #define PPPIOCGFLAGS    _IOR('t', 90, int)      /* get configuration flags */
 136 #define PPPIOCSFLAGS    _IOW('t', 89, int)      /* set configuration flags */
 137 #define PPPIOCGASYNCMAP _IOR('t', 88, int)      /* get async map */
 138 #define PPPIOCSASYNCMAP _IOW('t', 87, int)      /* set async map */
 139 #define PPPIOCGUNIT     _IOR('t', 86, int)      /* get ppp unit number */
 140 #define PPPIOCGRASYNCMAP _IOR('t', 85, int)     /* get receive async map */
 141 #define PPPIOCSRASYNCMAP _IOW('t', 84, int)     /* set receive async map */
 142 #define PPPIOCGMRU      _IOR('t', 83, int)      /* get max receive unit */
 143 #define PPPIOCSMRU      _IOW('t', 82, int)      /* set max receive unit */
 144 #define PPPIOCSMAXCID   _IOW('t', 81, int)      /* set VJ max slot ID */
 145 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
 146 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
 147 #define PPPIOCXFERUNIT  _IO('t', 78)            /* transfer PPP unit */
 148 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
 149 #define PPPIOCGNPMODE   _IOWR('t', 76, struct npioctl) /* get NP mode */
 150 #define PPPIOCSNPMODE   _IOW('t', 75, struct npioctl)  /* set NP mode */
 151 #define PPPIOCSPASS     _IOW('t', 71, struct sock_fprog) /* set pass filter */
 152 #define PPPIOCSACTIVE   _IOW('t', 70, struct sock_fprog) /* set active filt */
 153 #define PPPIOCGDEBUG    _IOR('t', 65, int)      /* Read debug level */
 154 #define PPPIOCSDEBUG    _IOW('t', 64, int)      /* Set debug level */
 155 #define PPPIOCGIDLE     _IOR('t', 63, struct ppp_idle) /* get idle time */
 156 #define PPPIOCNEWUNIT   _IOWR('t', 62, int)     /* create new ppp unit */
 157 #define PPPIOCATTACH    _IOW('t', 61, int)      /* attach to ppp unit */
 158 #define PPPIOCDETACH    _IOW('t', 60, int)      /* detach from ppp unit/chan */
 159 #define PPPIOCSMRRU     _IOW('t', 59, int)      /* set multilink MRU */
 160 #define PPPIOCCONNECT   _IOW('t', 58, int)      /* connect channel to unit */
 161 #define PPPIOCDISCONN   _IO('t', 57)            /* disconnect channel */
 162 #define PPPIOCATTCHAN   _IOW('t', 56, int)      /* attach to ppp channel */
 163 #define PPPIOCGCHAN     _IOR('t', 55, int)      /* get ppp channel number */
 164 #define PPPIOCGL2TPSTATS _IOR('t', 54, struct pppol2tp_ioc_stats)
 165
 166 #define SIOCGPPPSTATS   (SIOCDEVPRIVATE + 0)
 167 #define SIOCGPPPVER     (SIOCDEVPRIVATE + 1)    /* NEVER change this!! */
 168 #define SIOCGPPPCSTATS  (SIOCDEVPRIVATE + 2)
 169
 170 #if !defined(ifr_mtu)
 171 #define ifr_mtu ifr_ifru.ifru_metric
 172 #endif
 173
 174 #endif /* _IF_PPP_H_ */