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 89 struct 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 */ 95 struct ppp_option_data { 96 u_char *ptr; 97 u_int length; 98 int transmit; 99 }; 100 101 struct ifpppstatsreq { 102 char ifr_name[IFNAMSIZ]; 103 struct ppp_stats stats; 104 }; 105 106 struct 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) 153 void pppattach __P((void)); 154 void pppintr __P((void)); 155 #endif 156 #endif /* _IF_PPP_H_ */ 157