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 <stdint.h> 53 #include <net/if.h> 54 #include <sys/ioctl.h> 55 #include <net/ppp_defs.h> 56 57 __BEGIN_DECLS 58 59 /* 60 * Packet sizes 61 */ 62 63 #define PPP_MTU 1500 /* Default MTU (size of Info field) */ 64 #define PPP_MAXMRU 65000 /* Largest MRU we allow */ 65 #define PPP_VERSION "2.2.0" 66 #define PPP_MAGIC 0x5002 /* Magic value for the ppp structure */ 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_COMP_RUN 0x00001000 /* compressor has been inited */ 85 #define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ 86 #define SC_DEBUG 0x00010000 /* enable debug messages */ 87 #define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ 88 #define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ 89 #define SC_LOG_RAWIN 0x00080000 /* log all chars received */ 90 #define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ 91 #define SC_MASK 0x0fE0ffff /* bits that user can change */ 92 93 /* state bits */ 94 #define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */ 95 #define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */ 96 #define SC_VJ_RESET 0x20000000 /* Need to reset the VJ decompressor */ 97 #define SC_XMIT_BUSY 0x10000000 /* ppp_write_wakeup is active */ 98 #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ 99 #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ 100 #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ 101 #define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ 102 #define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */ 103 #define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */ 104 105 /* 106 * Ioctl definitions. 107 */ 108 109 struct npioctl { 110 int protocol; /* PPP protocol, e.g. PPP_IP */ 111 enum NPmode mode; 112 }; 113 114 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ 115 struct ppp_option_data { 116 uint8_t *ptr; 117 uint32_t length; 118 int transmit; 119 }; 120 121 /* 'struct ifreq' is only available from net/if.h under __USE_MISC. */ 122 #ifdef __USE_MISC 123 struct ifpppstatsreq { 124 struct ifreq b; 125 struct ppp_stats stats; /* statistic information */ 126 }; 127 128 struct 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 #endif 136 137 /* 138 * Ioctl definitions. 139 */ 140 141 #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 142 #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 143 #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ 144 #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ 145 #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ 146 #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ 147 #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ 148 #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ 149 #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ 150 #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ 151 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ 152 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ 153 #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ 154 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) 155 #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ 156 #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ 157 #define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */ 158 #define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */ 159 #define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */ 160 161 #define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0) 162 #define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */ 163 #define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2) 164 165 #if !defined(ifr_mtu) 166 #define ifr_mtu ifr_ifru.ifru_metric 167 #endif 168 169 __END_DECLS 170 171 #endif /* net/if_ppp.h */