1 /* $NetBSD: if_ppp.h,v 1.28 2025/01/08 18:05:39 christos Exp $ */ 2 /* Id: if_ppp.h,v 1.16 1997/04/30 05:46:04 paulus Exp */ 3 4 /* 5 * if_ppp.h - Point-to-Point Protocol definitions. 6 * 7 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The name "Carnegie Mellon University" must not be used to 22 * endorse or promote products derived from this software without 23 * prior written permission. For permission or any legal 24 * details, please contact 25 * Office of Technology Transfer 26 * Carnegie Mellon University 27 * 5000 Forbes Avenue 28 * Pittsburgh, PA 15213-3890 29 * (412) 268-4387, fax: (412) 268-7395 30 * tech-transfer@andrew.cmu.edu 31 * 32 * 4. Redistributions of any form whatsoever must retain the following 33 * acknowledgment: 34 * "This product includes software developed by Computing Services 35 * at Carnegie Mellon University (http://www.cmu.edu/computing/)." 36 * 37 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO 38 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 39 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE 40 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 41 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 42 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 43 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 44 */ 45 46 #ifndef _NET_IF_PPP_H_ 47 #define _NET_IF_PPP_H_ 48 49 #include <sys/ioccom.h> 50 51 /* 52 * Bit definitions for flags. 53 */ 54 #define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ 55 #define SC_COMP_AC 0x00000002 /* header compression (output) */ 56 #define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ 57 #define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ 58 #define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ 59 #define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ 60 #define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ 61 #define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ 62 #define SC_DEBUG 0x00010000 /* enable debug messages */ 63 #define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ 64 #define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ 65 #define SC_LOG_RAWIN 0x00080000 /* log all chars received */ 66 #define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ 67 #define SC_SYNC 0x00200000 /* synchronous HDLC */ 68 #define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ 69 #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ 70 #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ 71 #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ 72 73 #define SC_MASK 0x0fff00ff /* bits that user can change */ 74 75 /* 76 * State bits in sc_flags, not changeable by user. 77 */ 78 #define SC_TIMEOUT 0x00000400 /* timeout is currently pending */ 79 #define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */ 80 #define SC_COMP_RUN 0x00001000 /* compressor has been inited */ 81 #define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ 82 #define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */ 83 #define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */ 84 #define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */ 85 #define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */ 86 #define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */ 87 #define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */ 88 89 /* 90 * Ioctl definitions. 91 */ 92 93 struct npioctl { 94 int protocol; /* PPP procotol, e.g. PPP_IP */ 95 enum NPmode mode; 96 }; 97 98 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ 99 struct ppp_option_data { 100 u_char *ptr; 101 u_int length; 102 int transmit; 103 }; 104 105 struct ifpppstatsreq { 106 char ifr_name[IFNAMSIZ]; 107 struct ppp_stats stats; 108 }; 109 110 struct ifpppcstatsreq { 111 char ifr_name[IFNAMSIZ]; 112 struct ppp_comp_stats stats; 113 }; 114 115 struct ppp_rawin { 116 u_char buf[63]; 117 u_char count; 118 }; 119 120 /* 121 * Ioctl definitions. 122 */ 123 124 #define PPPIOCGRAWIN _IOR('t', 91, struct ppp_rawin) /* get raw input */ 125 #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 126 #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 127 #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ 128 #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ 129 #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ 130 #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ 131 #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ 132 #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ 133 #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ 134 #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ 135 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ 136 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ 137 #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ 138 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) 139 #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ 140 #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ 141 #define PPPIOCGIDLE _IOR('t', 74, struct ppp_idle) /* get idle time */ 142 /* 143 * XXX These are deprecated; they can no longer be used, because they 144 * XXX don't play well with multiple encaps. The defs are here so that 145 * XXX we can return decent errors to old pppds, and so that new pppds 146 * XXX will work with old kernels. 147 */ 148 #define PPPIOCSPASS _IOW('t', 71, struct bpf_program) /* set pass filter */ 149 #define PPPIOCSACTIVE _IOW('t', 70, struct bpf_program) /* set active filt */ 150 151 /* 152 * Use these instead. 153 */ 154 #define PPPIOCSIPASS _IOW('t', 69, struct bpf_program) /* set in pass flt */ 155 #define PPPIOCSOPASS _IOW('t', 68, struct bpf_program) /* set out pass flt */ 156 #define PPPIOCSIACTIVE _IOW('t', 67, struct bpf_program) /* set in act flt */ 157 #define PPPIOCSOACTIVE _IOW('t', 66, struct bpf_program) /* set out act flt */ 158 159 /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */ 160 #define PPPIOCGMTU _IOR('t', 73, int) /* get interface MTU */ 161 #define PPPIOCSMTU _IOW('t', 72, int) /* set interface MTU */ 162 163 /* 164 * These two are interface ioctls so that pppstats can do them on 165 * a socket without having to open the serial device. 166 */ 167 #define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq) 168 #define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq) 169 170 #if !defined(ifr_mtu) 171 #define ifr_mtu ifr_ifru.ifru_metric 172 #endif 173 174 #if defined(_KERNEL) || defined(KERNEL) 175 struct compressor; 176 int ppp_register_compressor(struct compressor *, size_t); 177 int ppp_unregister_compressor(struct compressor *, size_t); 178 #endif 179 #endif /* !_NET_IF_PPP_H_ */ 180