1/* From: 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 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY AND 21 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 22 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 29 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 31 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35/* 36 * ==FILEVERSION 960926== 37 * 38 * NOTE TO MAINTAINERS: 39 * If you modify this file at all, please set the above date. 40 * if_ppp.h is shipped with a PPP distribution as well as with the kernel; 41 * if everyone increases the FILEVERSION number above, then scripts 42 * can do the right thing when deciding whether to install a new if_ppp.h 43 * file. Don't change the format of that line otherwise, so the 44 * installation script can recognize it. 45 */ 46 47 48#ifndef __NET_IF_PPP_H 49#define __NET_IF_PPP_H 1 50 51#include <sys/types.h> 52#include <sys/cdefs.h> 53 54#include <net/if.h> 55#include <sys/ioctl.h> 56#include <net/ppp_defs.h> 57 58__BEGIN_DECLS 59 60/* 61 * Packet sizes 62 */ 63 64#define PPP_MTU 1500 /* Default MTU (size of Info field) */ 65#define PPP_MAXMRU 65000 /* Largest MRU we allow */ 66#define PPP_VERSION "2.2.0" 67#define PPP_MAGIC 0x5002 /* Magic value for the ppp structure */ 68#define PROTO_IPX 0x002b /* protocol numbers */ 69#define PROTO_DNA_RT 0x0027 /* DNA Routing */ 70 71 72/* 73 * Bit definitions for flags. 74 */ 75 76#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ 77#define SC_COMP_AC 0x00000002 /* header compression (output) */ 78#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ 79#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ 80#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ 81#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ 82#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ 83#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ 84#define SC_ENABLE_IP 0x00000100 /* IP packets may be exchanged */ 85#define SC_COMP_RUN 0x00001000 /* compressor has been inited */ 86#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ 87#define SC_DEBUG 0x00010000 /* enable debug messages */ 88#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ 89#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ 90#define SC_LOG_RAWIN 0x00080000 /* log all chars received */ 91#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ 92#define SC_MASK 0x0fE0ffff /* bits that user can change */ 93 94/* state bits */ 95#define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */ 96#define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */ 97#define SC_VJ_RESET 0x20000000 /* Need to reset the VJ decompressor */ 98#define SC_XMIT_BUSY 0x10000000 /* ppp_write_wakeup is active */ 99#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ 100#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ 101#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ 102#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ 103#define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */ 104#define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */ 105 106/* 107 * Ioctl definitions. 108 */ 109 110struct npioctl { 111 int protocol; /* PPP protocol, e.g. PPP_IP */ 112 enum NPmode mode; 113}; 114 115/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ 116struct ppp_option_data { 117 u_int8_t *ptr; 118 u_int32_t length; 119 int transmit; 120}; 121 122struct ifpppstatsreq { 123 struct ifreq b; 124 struct ppp_stats stats; /* statistic information */ 125}; 126 127struct ifpppcstatsreq { 128 struct ifreq b; 129 struct ppp_comp_stats stats; 130}; 131 132#define ifr__name b.ifr_ifrn.ifrn_name 133#define stats_ptr b.ifr_ifru.ifru_data 134 135/* 136 * Ioctl definitions. 137 */ 138 139#define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 140#define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 141#define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ 142#define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ 143#define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ 144#define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ 145#define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ 146#define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ 147#define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ 148#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ 149#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ 150#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ 151#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ 152#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) 153#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ 154#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ 155#define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */ 156#define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */ 157#define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */ 158 159#define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0) 160#define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */ 161#define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2) 162 163#if !defined(ifr_mtu) 164#define ifr_mtu ifr_ifru.ifru_metric 165#endif 166 167__END_DECLS 168 169#endif /* net/if_ppp.h */ 170