bsd/net/if_ppp.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * if_ppp.h - Point-to-Point Protocol definitions.
  32  *
  33  * Copyright (c) 1989 Carnegie Mellon University.
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms are permitted
  37  * provided that the above copyright notice and this paragraph are
  38  * duplicated in all such forms and that any documentation,
  39  * advertising materials, and other materials related to such
  40  * distribution and use acknowledge that the software was developed
  41  * by Carnegie Mellon University.  The name of the
  42  * University may not be used to endorse or promote products derived
  43  * from this software without specific prior written permission.
  44  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  45  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  46  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  47  *
  48  * $FreeBSD: src/sys/net/if_ppp.h,v 1.14 1999/08/28 00:48:20 peter Exp $
  49  */
  50
  51 #ifndef _IF_PPP_H_
  52 #define _IF_PPP_H_
  53 #include <sys/appleapiopts.h>
  54
  55 /* XXX this used to be self-contained. */
  56 #include <net/ppp_defs.h>
  57 #include <net/if.h>
  58
  59 /*
  60  * Packet sizes
  61  */
  62 #define PPP_MTU         1500    /* Default MTU (size of Info field) */
  63 #define PPP_MAXMRU      65000   /* Largest MRU we allow */
  64 #define PPP_MAXMTU      16384   /* Largest MTU we allow */
  65
  66 /*
  67  * Bit definitions for flags.
  68  */
  69 #define SC_COMP_PROT    0x00000001      /* protocol compression (output) */
  70 #define SC_COMP_AC      0x00000002      /* header compression (output) */
  71 #define SC_COMP_TCP     0x00000004      /* TCP (VJ) compression (output) */
  72 #define SC_NO_TCP_CCID  0x00000008      /* disable VJ connection-id comp. */
  73 #define SC_REJ_COMP_AC  0x00000010      /* reject adrs/ctrl comp. on input */
  74 #define SC_REJ_COMP_TCP 0x00000020      /* reject TCP (VJ) comp. on input */
  75 #define SC_CCP_OPEN     0x00000040      /* Look at CCP packets */
  76 #define SC_CCP_UP       0x00000080      /* May send/recv compressed packets */
  77 #define SC_DEBUG        0x00010000      /* enable debug messages */
  78 #define SC_LOG_INPKT    0x00020000      /* log contents of good pkts recvd */
  79 #define SC_LOG_OUTPKT   0x00040000      /* log contents of pkts sent */
  80 #define SC_LOG_RAWIN    0x00080000      /* log all chars received */
  81 #define SC_LOG_FLUSH    0x00100000      /* log all chars flushed */
  82 #define SC_RCV_B7_0     0x01000000      /* have rcvd char with bit 7 = 0 */
  83 #define SC_RCV_B7_1     0x02000000      /* have rcvd char with bit 7 = 1 */
  84 #define SC_RCV_EVNP     0x04000000      /* have rcvd char with even parity */
  85 #define SC_RCV_ODDP     0x08000000      /* have rcvd char with odd parity */
  86 #define SC_MASK         0x0fff00ff      /* bits that user can change */
  87
  88 /*
  89  * State bits in sc_flags, not changeable by user.
  90  */
  91 #define SC_TIMEOUT      0x00000400      /* timeout is currently pending */
  92 #define SC_VJ_RESET     0x00000800      /* need to reset VJ decomp */
  93 #define SC_COMP_RUN     0x00001000      /* compressor has been initiated */
  94 #define SC_DECOMP_RUN   0x00002000      /* decompressor has been initiated */
  95 #define SC_DC_ERROR     0x00004000      /* non-fatal decomp error detected */
  96 #define SC_DC_FERROR    0x00008000      /* fatal decomp error detected */
  97 #define SC_TBUSY        0x10000000      /* xmitter doesn't need a packet yet */
  98 #define SC_PKTLOST      0x20000000      /* have lost or dropped a packet */
  99 #define SC_FLUSH        0x40000000      /* flush input until next PPP_FLAG */
 100 #define SC_ESCAPED      0x80000000      /* saw a PPP_ESCAPE */
 101
 102 /*
 103  * Ioctl definitions.
 104  */
 105
 106 struct npioctl {
 107     int         protocol;       /* PPP procotol, e.g. PPP_IP */
 108     enum NPmode mode;
 109 };
 110
 111 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
 112 struct ppp_option_data {
 113         u_char  *ptr;
 114         u_int   length;
 115         int     transmit;
 116 };
 117
 118 struct ifpppstatsreq {
 119     char ifr_name[IFNAMSIZ];
 120     struct ppp_stats stats;
 121 };
 122
 123 struct ifpppcstatsreq {
 124     char ifr_name[IFNAMSIZ];
 125     struct ppp_comp_stats stats;
 126 };
 127
 128 /*
 129  * Ioctl definitions.
 130  */
 131
 132 #define PPPIOCGFLAGS    _IOR('t', 90, int)      /* get configuration flags */
 133 #define PPPIOCSFLAGS    _IOW('t', 89, int)      /* set configuration flags */
 134 #define PPPIOCGASYNCMAP _IOR('t', 88, int)      /* get async map */
 135 #define PPPIOCSASYNCMAP _IOW('t', 87, int)      /* set async map */
 136 #define PPPIOCGUNIT     _IOR('t', 86, int)      /* get ppp unit number */
 137 #define PPPIOCGRASYNCMAP _IOR('t', 85, int)     /* get receive async map */
 138 #define PPPIOCSRASYNCMAP _IOW('t', 84, int)     /* set receive async map */
 139 #define PPPIOCGMRU      _IOR('t', 83, int)      /* get max receive unit */
 140 #define PPPIOCSMRU      _IOW('t', 82, int)      /* set max receive unit */
 141 #define PPPIOCSMAXCID   _IOW('t', 81, int)      /* set VJ max slot ID */
 142 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
 143 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
 144 #define PPPIOCXFERUNIT  _IO('t', 78)            /* transfer PPP unit */
 145 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
 146 #define PPPIOCGNPMODE   _IOWR('t', 76, struct npioctl) /* get NP mode */
 147 #define PPPIOCSNPMODE   _IOW('t', 75, struct npioctl)  /* set NP mode */
 148 #define PPPIOCGIDLE     _IOR('t', 74, struct ppp_idle) /* get idle time */
 149 #define PPPIOCSPASS     _IOW('t', 71, struct bpf_program) /* set pass filter */
 150 #define PPPIOCSACTIVE   _IOW('t', 70, struct bpf_program) /* set active filt */
 151
 152 /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
 153 #define PPPIOCGMTU      _IOR('t', 73, int)      /* get interface MTU */
 154 #define PPPIOCSMTU      _IOW('t', 72, int)      /* set interface MTU */
 155
 156 /*
 157  * These two are interface ioctls so that pppstats can do them on
 158  * a socket without having to open the serial device.
 159  */
 160 #define SIOCGPPPSTATS   _IOWR('i', 123, struct ifpppstatsreq)
 161 #define SIOCGPPPCSTATS  _IOWR('i', 122, struct ifpppcstatsreq)
 162
 163 #if !defined(ifr_mtu)
 164 #define ifr_mtu ifr_ifru.ifru_metric
 165 #endif
 166
 167 #endif /* _IF_PPP_H_ */