1/* $Id: if_ppp.h,v 1.23 2002/12/06 09:49:15 paulus Exp $ */ 2 3/* 4 * if_ppp.h - Point-to-Point Protocol definitions. 5 * 6 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved. 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 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. The name "Carnegie Mellon University" must not be used to 21 * endorse or promote products derived from this software without 22 * prior written permission. For permission or any legal 23 * details, please contact 24 * Office of Technology Transfer 25 * Carnegie Mellon University 26 * 5000 Forbes Avenue 27 * Pittsburgh, PA 15213-3890 28 * (412) 268-4387, fax: (412) 268-7395 29 * tech-transfer@andrew.cmu.edu 30 * 31 * 4. Redistributions of any form whatsoever must retain the following 32 * acknowledgment: 33 * "This product includes software developed by Computing Services 34 * at Carnegie Mellon University (http://www.cmu.edu/computing/)." 35 * 36 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO 37 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 38 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE 39 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 40 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 41 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 42 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 43 * 44 */ 45 46/* 47 * ==FILEVERSION 20000724== 48 * 49 * NOTE TO MAINTAINERS: 50 * If you modify this file at all, please set the above date. 51 * if_ppp.h is shipped with a PPP distribution as well as with the kernel; 52 * if everyone increases the FILEVERSION number above, then scripts 53 * can do the right thing when deciding whether to install a new if_ppp.h 54 * file. Don't change the format of that line otherwise, so the 55 * installation script can recognize it. 56 */ 57 58#ifndef _IF_PPP_H_ 59#define _IF_PPP_H_ 60 61/* 62 * Packet sizes 63 */ 64 65#define PPP_MTU 1500 /* Default MTU (size of Info field) */ 66#define PPP_MAXMRU 65000 /* Largest MRU we allow */ 67#define PROTO_IPX 0x002b /* protocol numbers */ 68#define PROTO_DNA_RT 0x0027 /* DNA Routing */ 69 70 71/* 72 * Bit definitions for flags. 73 */ 74 75#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ 76#define SC_COMP_AC 0x00000002 /* header compression (output) */ 77#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ 78#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ 79#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ 80#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ 81#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ 82#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ 83#define SC_ENABLE_IP 0x00000100 /* IP packets may be exchanged */ 84#define SC_LOOP_TRAFFIC 0x00000200 /* send traffic to pppd */ 85#define SC_MULTILINK 0x00000400 /* do multilink encapsulation */ 86#define SC_MP_SHORTSEQ 0x00000800 /* use short MP sequence numbers */ 87#define SC_COMP_RUN 0x00001000 /* compressor has been inited */ 88#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ 89#define SC_MP_XSHORTSEQ 0x00004000 /* transmit short MP seq numbers */ 90#define SC_DEBUG 0x00010000 /* enable debug messages */ 91#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ 92#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ 93#define SC_LOG_RAWIN 0x00080000 /* log all chars received */ 94#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ 95#define SC_SYNC 0x00200000 /* synchronous serial mode */ 96#define SC_MASK 0x0f200fff /* bits that user can change */ 97 98/* state bits */ 99#define SC_XMIT_BUSY 0x10000000 /* (used by isdn_ppp?) */ 100#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ 101#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ 102#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ 103#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ 104#define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */ 105#define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */ 106 107/* 108 * Ioctl definitions. 109 */ 110 111struct npioctl { 112 int protocol; /* PPP protocol, e.g. PPP_IP */ 113 enum NPmode mode; 114}; 115 116/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ 117struct ppp_option_data { 118 __u8 *ptr; 119 __u32 length; 120 int transmit; 121}; 122 123struct ifpppstatsreq { 124 struct ifreq b; 125 struct ppp_stats stats; /* statistic information */ 126}; 127 128struct ifpppcstatsreq { 129 struct ifreq b; 130 struct ppp_comp_stats stats; 131}; 132 133#define ifr__name b.ifr_ifrn.ifrn_name 134#define stats_ptr b.ifr_ifru.ifru_data 135 136/* 137 * Ioctl definitions. 138 */ 139 140#define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 141#define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 142#define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ 143#define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ 144#define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ 145#define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ 146#define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ 147#define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ 148#define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ 149#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ 150#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ 151#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ 152#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ 153#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) 154#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ 155#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ 156#define PPPIOCSPASS _IOW('t', 71, struct sock_fprog) /* set pass filter */ 157#define PPPIOCSACTIVE _IOW('t', 70, struct sock_fprog) /* set active filt */ 158#define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */ 159#define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */ 160#define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */ 161#define PPPIOCNEWUNIT _IOWR('t', 62, int) /* create new ppp unit */ 162#define PPPIOCATTACH _IOW('t', 61, int) /* attach to ppp unit */ 163#define PPPIOCDETACH _IOW('t', 60, int) /* detach from ppp unit/chan */ 164#define PPPIOCSMRRU _IOW('t', 59, int) /* set multilink MRU */ 165#define PPPIOCCONNECT _IOW('t', 58, int) /* connect channel to unit */ 166#define PPPIOCDISCONN _IO('t', 57) /* disconnect channel */ 167#define PPPIOCATTCHAN _IOW('t', 56, int) /* attach to ppp channel */ 168#define PPPIOCGCHAN _IOR('t', 55, int) /* get ppp channel number */ 169 170#define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0) 171#define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */ 172#define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2) 173 174#if !defined(ifr_mtu) 175#define ifr_mtu ifr_ifru.ifru_metric 176#endif 177 178#endif /* _IF_PPP_H_ */ 179