1/* $Id: if_ppp.h,v 1.19 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#ifndef _IF_PPP_H_ 46#define _IF_PPP_H_ 47 48/* 49 * Bit definitions for flags. 50 */ 51#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ 52#define SC_COMP_AC 0x00000002 /* header compression (output) */ 53#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ 54#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ 55#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ 56#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ 57#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ 58#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ 59#define SC_DEBUG 0x00010000 /* enable debug messages */ 60#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ 61#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ 62#define SC_LOG_RAWIN 0x00080000 /* log all chars received */ 63#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ 64#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ 65#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ 66#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ 67#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ 68#define SC_SYNC 0x00200000 /* use synchronous HDLC framing */ 69#define SC_MASK 0x0fff00ff /* bits that user can change */ 70 71/* 72 * State bits in sc_flags, not changeable by user. 73 */ 74#define SC_TIMEOUT 0x00000400 /* timeout is currently pending */ 75#define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */ 76#define SC_COMP_RUN 0x00001000 /* compressor has been inited */ 77#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ 78#define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */ 79#define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */ 80#define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */ 81#define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */ 82#define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */ 83#define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */ 84 85/* 86 * Ioctl definitions. 87 */ 88 89struct npioctl { 90 int protocol; /* PPP procotol, e.g. PPP_IP */ 91 enum NPmode mode; 92}; 93 94/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ 95struct ppp_option_data { 96 u_char *ptr; 97 u_int length; 98 int transmit; 99}; 100 101struct ifpppstatsreq { 102 char ifr_name[IFNAMSIZ]; 103 struct ppp_stats stats; 104}; 105 106struct ifpppcstatsreq { 107 char ifr_name[IFNAMSIZ]; 108 struct ppp_comp_stats stats; 109}; 110 111/* 112 * Ioctl definitions. 113 */ 114 115#define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 116#define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 117#define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ 118#define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ 119#define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ 120#define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ 121#define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ 122#define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ 123#define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ 124#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ 125#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ 126#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ 127#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ 128#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) 129#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ 130#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ 131#define PPPIOCGIDLE _IOR('t', 74, struct ppp_idle) /* get idle time */ 132#ifdef PPP_FILTER 133#define PPPIOCSPASS _IOW('t', 71, struct bpf_program) /* set pass filter */ 134#define PPPIOCSACTIVE _IOW('t', 70, struct bpf_program) /* set active filt */ 135#endif /* PPP_FILTER */ 136 137/* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */ 138#define PPPIOCGMTU _IOR('t', 73, int) /* get interface MTU */ 139#define PPPIOCSMTU _IOW('t', 72, int) /* set interface MTU */ 140 141/* 142 * These two are interface ioctls so that pppstats can do them on 143 * a socket without having to open the serial device. 144 */ 145#define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq) 146#define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq) 147 148#if !defined(ifr_mtu) 149#define ifr_mtu ifr_ifru.ifru_metric 150#endif 151 152#if (defined(_KERNEL) || defined(KERNEL)) && !defined(NeXT) 153void pppattach __P((void)); 154void pppintr __P((void)); 155#endif 156#endif /* _IF_PPP_H_ */ 157