1 /* $Id: if_ppp.h,v 1.21 2000/03/27 06:03:36 paulus Exp $ */ 2 3 /* 4 * if_ppp.h - Point-to-Point Protocol definitions. 5 * 6 * Copyright (c) 1989 Carnegie Mellon University. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms are permitted 10 * provided that the above copyright notice and this paragraph are 11 * duplicated in all such forms and that any documentation, 12 * advertising materials, and other materials related to such 13 * distribution and use acknowledge that the software was developed 14 * by Carnegie Mellon University. The name of the 15 * University may not be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 19 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 20 * 21 */ 22 23 /* 24 * ==FILEVERSION 20000724== 25 * 26 * NOTE TO MAINTAINERS: 27 * If you modify this file at all, please set the above date. 28 * if_ppp.h is shipped with a PPP distribution as well as with the kernel; 29 * if everyone increases the FILEVERSION number above, then scripts 30 * can do the right thing when deciding whether to install a new if_ppp.h 31 * file. Don't change the format of that line otherwise, so the 32 * installation script can recognize it. 33 */ 34 35 #ifndef _IF_PPP_H_ 36 #define _IF_PPP_H_ 37 38 /* 39 * Packet sizes 40 */ 41 42 #define PPP_MTU 1500 /* Default MTU (size of Info field) */ 43 #define PPP_MAXMRU 65000 /* Largest MRU we allow */ 44 #define PROTO_IPX 0x002b /* protocol numbers */ 45 #define PROTO_DNA_RT 0x0027 /* DNA Routing */ 46 47 48 /* 49 * Bit definitions for flags. 50 */ 51 52 #define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ 53 #define SC_COMP_AC 0x00000002 /* header compression (output) */ 54 #define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ 55 #define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ 56 #define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ 57 #define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ 58 #define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ 59 #define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ 60 #define SC_ENABLE_IP 0x00000100 /* IP packets may be exchanged */ 61 #define SC_LOOP_TRAFFIC 0x00000200 /* send traffic to pppd */ 62 #define SC_MULTILINK 0x00000400 /* do multilink encapsulation */ 63 #define SC_MP_SHORTSEQ 0x00000800 /* use short MP sequence numbers */ 64 #define SC_COMP_RUN 0x00001000 /* compressor has been inited */ 65 #define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ 66 #define SC_MP_XSHORTSEQ 0x00004000 /* transmit short MP seq numbers */ 67 #define SC_DEBUG 0x00010000 /* enable debug messages */ 68 #define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ 69 #define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ 70 #define SC_LOG_RAWIN 0x00080000 /* log all chars received */ 71 #define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ 72 #define SC_SYNC 0x00200000 /* synchronous serial mode */ 73 #define SC_MASK 0x0f200fff /* bits that user can change */ 74 75 /* state bits */ 76 #define SC_XMIT_BUSY 0x10000000 /* (used by isdn_ppp?) */ 77 #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ 78 #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ 79 #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ 80 #define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ 81 #define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */ 82 #define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */ 83 84 /* 85 * Ioctl definitions. 86 */ 87 88 struct npioctl { 89 int protocol; /* PPP protocol, e.g. PPP_IP */ 90 enum NPmode mode; 91 }; 92 93 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ 94 struct ppp_option_data { 95 __u8 *ptr; 96 __u32 length; 97 int transmit; 98 }; 99 100 struct ifpppstatsreq { 101 struct ifreq b; 102 struct ppp_stats stats; /* statistic information */ 103 }; 104 105 struct ifpppcstatsreq { 106 struct ifreq b; 107 struct ppp_comp_stats stats; 108 }; 109 110 #define ifr__name b.ifr_ifrn.ifrn_name 111 #define stats_ptr b.ifr_ifru.ifru_data 112 113 /* 114 * Ioctl definitions. 115 */ 116 117 #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 118 #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 119 #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ 120 #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ 121 #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ 122 #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ 123 #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ 124 #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ 125 #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ 126 #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ 127 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ 128 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ 129 #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ 130 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) 131 #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ 132 #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ 133 #define PPPIOCSPASS _IOW('t', 71, struct sock_fprog) /* set pass filter */ 134 #define PPPIOCSACTIVE _IOW('t', 70, struct sock_fprog) /* set active filt */ 135 #define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */ 136 #define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */ 137 #define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */ 138 #define PPPIOCNEWUNIT _IOWR('t', 62, int) /* create new ppp unit */ 139 #define PPPIOCATTACH _IOW('t', 61, int) /* attach to ppp unit */ 140 #define PPPIOCDETACH _IOW('t', 60, int) /* detach from ppp unit/chan */ 141 #define PPPIOCSMRRU _IOW('t', 59, int) /* set multilink MRU */ 142 #define PPPIOCCONNECT _IOW('t', 58, int) /* connect channel to unit */ 143 #define PPPIOCDISCONN _IO('t', 57) /* disconnect channel */ 144 #define PPPIOCATTCHAN _IOW('t', 56, int) /* attach to ppp channel */ 145 #define PPPIOCGCHAN _IOR('t', 55, int) /* get ppp channel number */ 146 147 #define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0) 148 #define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */ 149 #define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2) 150 151 #if !defined(ifr_mtu) 152 #define ifr_mtu ifr_ifru.ifru_metric 153 #endif 154 155 #endif /* _IF_PPP_H_ */ 156