release/src/router/ppp/include/net/if_ppp.h

   1 /*      $Id: if_ppp.h,v 1.1.1.4 2003/10/14 08:09:53 sparq 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 #ifndef _IF_PPP_H_
  23 #define _IF_PPP_H_
  24
  25 /*
  26  * Bit definitions for flags.
  27  */
  28 #define SC_COMP_PROT    0x00000001      /* protocol compression (output) */
  29 #define SC_COMP_AC      0x00000002      /* header compression (output) */
  30 #define SC_COMP_TCP     0x00000004      /* TCP (VJ) compression (output) */
  31 #define SC_NO_TCP_CCID  0x00000008      /* disable VJ connection-id comp. */
  32 #define SC_REJ_COMP_AC  0x00000010      /* reject adrs/ctrl comp. on input */
  33 #define SC_REJ_COMP_TCP 0x00000020      /* reject TCP (VJ) comp. on input */
  34 #define SC_CCP_OPEN     0x00000040      /* Look at CCP packets */
  35 #define SC_CCP_UP       0x00000080      /* May send/recv compressed packets */
  36 #define SC_DEBUG        0x00010000      /* enable debug messages */
  37 #define SC_LOG_INPKT    0x00020000      /* log contents of good pkts recvd */
  38 #define SC_LOG_OUTPKT   0x00040000      /* log contents of pkts sent */
  39 #define SC_LOG_RAWIN    0x00080000      /* log all chars received */
  40 #define SC_LOG_FLUSH    0x00100000      /* log all chars flushed */
  41 #define SC_RCV_B7_0     0x01000000      /* have rcvd char with bit 7 = 0 */
  42 #define SC_RCV_B7_1     0x02000000      /* have rcvd char with bit 7 = 1 */
  43 #define SC_RCV_EVNP     0x04000000      /* have rcvd char with even parity */
  44 #define SC_RCV_ODDP     0x08000000      /* have rcvd char with odd parity */
  45 #define SC_SYNC         0x00200000      /* use synchronous HDLC framing */
  46 #define SC_MASK         0x0fff00ff      /* bits that user can change */
  47
  48 /*
  49  * State bits in sc_flags, not changeable by user.
  50  */
  51 #define SC_TIMEOUT      0x00000400      /* timeout is currently pending */
  52 #define SC_VJ_RESET     0x00000800      /* need to reset VJ decomp */
  53 #define SC_COMP_RUN     0x00001000      /* compressor has been inited */
  54 #define SC_DECOMP_RUN   0x00002000      /* decompressor has been inited */
  55 #define SC_DC_ERROR     0x00004000      /* non-fatal decomp error detected */
  56 #define SC_DC_FERROR    0x00008000      /* fatal decomp error detected */
  57 #define SC_TBUSY        0x10000000      /* xmitter doesn't need a packet yet */
  58 #define SC_PKTLOST      0x20000000      /* have lost or dropped a packet */
  59 #define SC_FLUSH        0x40000000      /* flush input until next PPP_FLAG */
  60 #define SC_ESCAPED      0x80000000      /* saw a PPP_ESCAPE */
  61
  62 /*
  63  * Ioctl definitions.
  64  */
  65
  66 struct npioctl {
  67     int         protocol;       /* PPP procotol, e.g. PPP_IP */
  68     enum NPmode mode;
  69 };
  70
  71 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
  72 struct ppp_option_data {
  73         u_char  *ptr;
  74         u_int   length;
  75         int     transmit;
  76 };
  77
  78 struct ifpppstatsreq {
  79     char ifr_name[IFNAMSIZ];
  80     struct ppp_stats stats;
  81 };
  82
  83 struct ifpppcstatsreq {
  84     char ifr_name[IFNAMSIZ];
  85     struct ppp_comp_stats stats;
  86 };
  87
  88 /*
  89  * Ioctl definitions.
  90  */
  91
  92 #define PPPIOCGFLAGS    _IOR('t', 90, int)      /* get configuration flags */
  93 #define PPPIOCSFLAGS    _IOW('t', 89, int)      /* set configuration flags */
  94 #define PPPIOCGASYNCMAP _IOR('t', 88, int)      /* get async map */
  95 #define PPPIOCSASYNCMAP _IOW('t', 87, int)      /* set async map */
  96 #define PPPIOCGUNIT     _IOR('t', 86, int)      /* get ppp unit number */
  97 #define PPPIOCGRASYNCMAP _IOR('t', 85, int)     /* get receive async map */
  98 #define PPPIOCSRASYNCMAP _IOW('t', 84, int)     /* set receive async map */
  99 #define PPPIOCGMRU      _IOR('t', 83, int)      /* get max receive unit */
 100 #define PPPIOCSMRU      _IOW('t', 82, int)      /* set max receive unit */
 101 #define PPPIOCSMAXCID   _IOW('t', 81, int)      /* set VJ max slot ID */
 102 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
 103 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
 104 #define PPPIOCXFERUNIT  _IO('t', 78)            /* transfer PPP unit */
 105 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
 106 #define PPPIOCGNPMODE   _IOWR('t', 76, struct npioctl) /* get NP mode */
 107 #define PPPIOCSNPMODE   _IOW('t', 75, struct npioctl)  /* set NP mode */
 108 #define PPPIOCGIDLE     _IOR('t', 74, struct ppp_idle) /* get idle time */
 109 #ifdef PPP_FILTER
 110 #define PPPIOCSPASS     _IOW('t', 71, struct bpf_program) /* set pass filter */
 111 #define PPPIOCSACTIVE   _IOW('t', 70, struct bpf_program) /* set active filt */
 112 #endif /* PPP_FILTER */
 113
 114 /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
 115 #define PPPIOCGMTU      _IOR('t', 73, int)      /* get interface MTU */
 116 #define PPPIOCSMTU      _IOW('t', 72, int)      /* set interface MTU */
 117
 118 /*
 119  * These two are interface ioctls so that pppstats can do them on
 120  * a socket without having to open the serial device.
 121  */
 122 #define SIOCGPPPSTATS   _IOWR('i', 123, struct ifpppstatsreq)
 123 #define SIOCGPPPCSTATS  _IOWR('i', 122, struct ifpppcstatsreq)
 124
 125 #if !defined(ifr_mtu)
 126 #define ifr_mtu ifr_ifru.ifru_metric
 127 #endif
 128
 129 #if (defined(_KERNEL) || defined(KERNEL)) && !defined(NeXT)
 130 void pppattach __P((void));
 131 void pppintr __P((void));
 132 #endif
 133 #endif /* _IF_PPP_H_ */