bsd/net/if_ppp.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * if_ppp.h - Point-to-Point Protocol definitions.
  30  *
  31  * Copyright (c) 1989 Carnegie Mellon University.
  32  * All rights reserved.
  33  *
  34  * Redistribution and use in source and binary forms are permitted
  35  * provided that the above copyright notice and this paragraph are
  36  * duplicated in all such forms and that any documentation,
  37  * advertising materials, and other materials related to such
  38  * distribution and use acknowledge that the software was developed
  39  * by Carnegie Mellon University.  The name of the
  40  * University may not be used to endorse or promote products derived
  41  * from this software without specific prior written permission.
  42  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  43  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  44  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  45  *
  46  * $FreeBSD: src/sys/net/if_ppp.h,v 1.14 1999/08/28 00:48:20 peter Exp $
  47  */
  48
  49 #ifndef _IF_PPP_H_
  50 #define _IF_PPP_H_
  51 #include <sys/appleapiopts.h>
  52
  53 /* XXX this used to be self-contained. */
  54 #include <net/ppp_defs.h>
  55 #include <net/if.h>
  56
  57 /*
  58  * Packet sizes
  59  */
  60 #define PPP_MTU         1500    /* Default MTU (size of Info field) */
  61 #define PPP_MAXMRU      65000   /* Largest MRU we allow */
  62 #define PPP_MAXMTU      16384   /* Largest MTU we allow */
  63
  64 /*
  65  * Bit definitions for flags.
  66  */
  67 #define SC_COMP_PROT    0x00000001      /* protocol compression (output) */
  68 #define SC_COMP_AC      0x00000002      /* header compression (output) */
  69 #define SC_COMP_TCP     0x00000004      /* TCP (VJ) compression (output) */
  70 #define SC_NO_TCP_CCID  0x00000008      /* disable VJ connection-id comp. */
  71 #define SC_REJ_COMP_AC  0x00000010      /* reject adrs/ctrl comp. on input */
  72 #define SC_REJ_COMP_TCP 0x00000020      /* reject TCP (VJ) comp. on input */
  73 #define SC_CCP_OPEN     0x00000040      /* Look at CCP packets */
  74 #define SC_CCP_UP       0x00000080      /* May send/recv compressed packets */
  75 #define SC_DEBUG        0x00010000      /* enable debug messages */
  76 #define SC_LOG_INPKT    0x00020000      /* log contents of good pkts recvd */
  77 #define SC_LOG_OUTPKT   0x00040000      /* log contents of pkts sent */
  78 #define SC_LOG_RAWIN    0x00080000      /* log all chars received */
  79 #define SC_LOG_FLUSH    0x00100000      /* log all chars flushed */
  80 #define SC_RCV_B7_0     0x01000000      /* have rcvd char with bit 7 = 0 */
  81 #define SC_RCV_B7_1     0x02000000      /* have rcvd char with bit 7 = 1 */
  82 #define SC_RCV_EVNP     0x04000000      /* have rcvd char with even parity */
  83 #define SC_RCV_ODDP     0x08000000      /* have rcvd char with odd parity */
  84 #define SC_MASK         0x0fff00ff      /* bits that user can change */
  85
  86 /*
  87  * State bits in sc_flags, not changeable by user.
  88  */
  89 #define SC_TIMEOUT      0x00000400      /* timeout is currently pending */
  90 #define SC_VJ_RESET     0x00000800      /* need to reset VJ decomp */
  91 #define SC_COMP_RUN     0x00001000      /* compressor has been initiated */
  92 #define SC_DECOMP_RUN   0x00002000      /* decompressor has been initiated */
  93 #define SC_DC_ERROR     0x00004000      /* non-fatal decomp error detected */
  94 #define SC_DC_FERROR    0x00008000      /* fatal decomp error detected */
  95 #define SC_TBUSY        0x10000000      /* xmitter doesn't need a packet yet */
  96 #define SC_PKTLOST      0x20000000      /* have lost or dropped a packet */
  97 #define SC_FLUSH        0x40000000      /* flush input until next PPP_FLAG */
  98 #define SC_ESCAPED      0x80000000      /* saw a PPP_ESCAPE */
  99
 100 /*
 101  * Ioctl definitions.
 102  */
 103
 104 struct npioctl {
 105     int         protocol;       /* PPP procotol, e.g. PPP_IP */
 106     enum NPmode mode;
 107 };
 108
 109 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
 110 struct ppp_option_data {
 111         u_char  *ptr;
 112         u_int   length;
 113         int     transmit;
 114 };
 115
 116 struct ifpppstatsreq {
 117     char ifr_name[IFNAMSIZ];
 118     struct ppp_stats stats;
 119 };
 120
 121 struct ifpppcstatsreq {
 122     char ifr_name[IFNAMSIZ];
 123     struct ppp_comp_stats stats;
 124 };
 125
 126 /*
 127  * Ioctl definitions.
 128  */
 129
 130 #define PPPIOCGFLAGS    _IOR('t', 90, int)      /* get configuration flags */
 131 #define PPPIOCSFLAGS    _IOW('t', 89, int)      /* set configuration flags */
 132 #define PPPIOCGASYNCMAP _IOR('t', 88, int)      /* get async map */
 133 #define PPPIOCSASYNCMAP _IOW('t', 87, int)      /* set async map */
 134 #define PPPIOCGUNIT     _IOR('t', 86, int)      /* get ppp unit number */
 135 #define PPPIOCGRASYNCMAP _IOR('t', 85, int)     /* get receive async map */
 136 #define PPPIOCSRASYNCMAP _IOW('t', 84, int)     /* set receive async map */
 137 #define PPPIOCGMRU      _IOR('t', 83, int)      /* get max receive unit */
 138 #define PPPIOCSMRU      _IOW('t', 82, int)      /* set max receive unit */
 139 #define PPPIOCSMAXCID   _IOW('t', 81, int)      /* set VJ max slot ID */
 140 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
 141 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
 142 #define PPPIOCXFERUNIT  _IO('t', 78)            /* transfer PPP unit */
 143 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
 144 #define PPPIOCGNPMODE   _IOWR('t', 76, struct npioctl) /* get NP mode */
 145 #define PPPIOCSNPMODE   _IOW('t', 75, struct npioctl)  /* set NP mode */
 146 #define PPPIOCGIDLE     _IOR('t', 74, struct ppp_idle) /* get idle time */
 147 #define PPPIOCSPASS     _IOW('t', 71, struct bpf_program) /* set pass filter */
 148 #define PPPIOCSACTIVE   _IOW('t', 70, struct bpf_program) /* set active filt */
 149
 150 /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
 151 #define PPPIOCGMTU      _IOR('t', 73, int)      /* get interface MTU */
 152 #define PPPIOCSMTU      _IOW('t', 72, int)      /* set interface MTU */
 153
 154 /*
 155  * These two are interface ioctls so that pppstats can do them on
 156  * a socket without having to open the serial device.
 157  */
 158 #define SIOCGPPPSTATS   _IOWR('i', 123, struct ifpppstatsreq)
 159 #define SIOCGPPPCSTATS  _IOWR('i', 122, struct ifpppcstatsreq)
 160
 161 #if !defined(ifr_mtu)
 162 #define ifr_mtu ifr_ifru.ifru_metric
 163 #endif
 164
 165 #endif /* _IF_PPP_H_ */