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001: /*      From: if_ppp.h,v 1.3 1995/06/12 11:36:50 paulus Exp */
002: 
003: /*
004:  * if_ppp.h - Point-to-Point Protocol definitions.
005:  *
006:  * Copyright (c) 1989 Carnegie Mellon University. 
007:  *
008:  * Redistribution and use in source and binary forms, with or without
009:  * modification, are permitted provided that the following conditions
010:  * are met:
011:  * 1. Redistributions of source code must retain the above copyright
012:  *    notice, this list of conditions and the following disclaimer.
013:  * 2. Redistributions in binary form must reproduce the above copyright
014:  *    notice, this list of conditions and the following disclaimer in the
015:  *    documentation and/or other materials provided with the distribution.
016:  * 3. Neither the name of the University nor the names of its contributors
017:  *    may be used to endorse or promote products derived from this software
018:  *    without specific prior written permission.
019:  *
020:  * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY AND
021:  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
022:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
023:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
024:  * IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE FOR ANY
025:  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
026:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
027:  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
028:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
029:  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
030:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
031:  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
032:  *
033:  */
034: 
035: /*
036:  *  ==FILEVERSION 960926==
037:  *
038:  *  NOTE TO MAINTAINERS:
039:  *     If you modify this file at all, please set the above date.
040:  *     if_ppp.h is shipped with a PPP distribution as well as with the kernel;
041:  *     if everyone increases the FILEVERSION number above, then scripts
042:  *     can do the right thing when deciding whether to install a new if_ppp.h
043:  *     file.  Don't change the format of that line otherwise, so the
044:  *     installation script can recognize it.
045:  */
046: 
047: 
048: #ifndef __NET_IF_PPP_H
049: #define __NET_IF_PPP_H 1
050: 
051: #include <sys/types.h>
052: #include <sys/cdefs.h>
053: 
054: #include <net/if.h>
055: #include <sys/ioctl.h>
056: #include <net/ppp_defs.h>
057: 
058: __BEGIN_DECLS
059: 
060: /*
061:  * Packet sizes
062:  */
063: 
064: #define PPP_MTU         1500    /* Default MTU (size of Info field) */
065: #define PPP_MAXMRU      65000   /* Largest MRU we allow */
066: #define PPP_VERSION     "2.2.0"
067: #define PPP_MAGIC       0x5002  /* Magic value for the ppp structure */
068: #define PROTO_IPX       0x002b  /* protocol numbers */
069: #define PROTO_DNA_RT    0x0027  /* DNA Routing */
070: 
071: 
072: /*
073:  * Bit definitions for flags.
074:  */
075: 
076: #define SC_COMP_PROT    0x00000001      /* protocol compression (output) */
077: #define SC_COMP_AC      0x00000002      /* header compression (output) */
078: #define SC_COMP_TCP     0x00000004      /* TCP (VJ) compression (output) */
079: #define SC_NO_TCP_CCID  0x00000008      /* disable VJ connection-id comp. */
080: #define SC_REJ_COMP_AC  0x00000010      /* reject adrs/ctrl comp. on input */
081: #define SC_REJ_COMP_TCP 0x00000020      /* reject TCP (VJ) comp. on input */
082: #define SC_CCP_OPEN     0x00000040      /* Look at CCP packets */
083: #define SC_CCP_UP       0x00000080      /* May send/recv compressed packets */
084: #define SC_ENABLE_IP    0x00000100      /* IP packets may be exchanged */
085: #define SC_COMP_RUN     0x00001000      /* compressor has been inited */
086: #define SC_DECOMP_RUN   0x00002000      /* decompressor has been inited */
087: #define SC_DEBUG        0x00010000      /* enable debug messages */
088: #define SC_LOG_INPKT    0x00020000      /* log contents of good pkts recvd */
089: #define SC_LOG_OUTPKT   0x00040000      /* log contents of pkts sent */
090: #define SC_LOG_RAWIN    0x00080000      /* log all chars received */
091: #define SC_LOG_FLUSH    0x00100000      /* log all chars flushed */
092: #define SC_MASK         0x0fE0ffff      /* bits that user can change */
093: 
094: /* state bits */
095: #define SC_ESCAPED      0x80000000      /* saw a PPP_ESCAPE */
096: #define SC_FLUSH        0x40000000      /* flush input until next PPP_FLAG */
097: #define SC_VJ_RESET     0x20000000      /* Need to reset the VJ decompressor */
098: #define SC_XMIT_BUSY    0x10000000      /* ppp_write_wakeup is active */
099: #define SC_RCV_ODDP     0x08000000      /* have rcvd char with odd parity */
100: #define SC_RCV_EVNP     0x04000000      /* have rcvd char with even parity */
101: #define SC_RCV_B7_1     0x02000000      /* have rcvd char with bit 7 = 1 */
102: #define SC_RCV_B7_0     0x01000000      /* have rcvd char with bit 7 = 0 */
103: #define SC_DC_FERROR    0x00800000      /* fatal decomp error detected */
104: #define SC_DC_ERROR     0x00400000      /* non-fatal decomp error detected */
105: 
106: /*
107:  * Ioctl definitions.
108:  */
109: 
110: struct npioctl {
111:     int         protocol;       /* PPP protocol, e.g. PPP_IP */
112:     enum NPmode mode;
113: };
114: 
115: /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
116: struct ppp_option_data {
117:         u_int8_t  *ptr;
118:         u_int32_t length;
119:         int       transmit;
120: };
121: 
122: struct ifpppstatsreq {
123:   struct ifreq     b;
124:   struct ppp_stats stats;                       /* statistic information */
125: };
126: 
127: struct ifpppcstatsreq {
128:   struct ifreq          b;
129:   struct ppp_comp_stats stats;
130: };
131: 
132: #define ifr__name       b.ifr_ifrn.ifrn_name
133: #define stats_ptr       b.ifr_ifru.ifru_data
134: 
135: /*
136:  * Ioctl definitions.
137:  */
138: 
139: #define PPPIOCGFLAGS    _IOR('t', 90, int)      /* get configuration flags */
140: #define PPPIOCSFLAGS    _IOW('t', 89, int)      /* set configuration flags */
141: #define PPPIOCGASYNCMAP _IOR('t', 88, int)      /* get async map */
142: #define PPPIOCSASYNCMAP _IOW('t', 87, int)      /* set async map */
143: #define PPPIOCGUNIT     _IOR('t', 86, int)      /* get ppp unit number */
144: #define PPPIOCGRASYNCMAP _IOR('t', 85, int)     /* get receive async map */
145: #define PPPIOCSRASYNCMAP _IOW('t', 84, int)     /* set receive async map */
146: #define PPPIOCGMRU      _IOR('t', 83, int)      /* get max receive unit */
147: #define PPPIOCSMRU      _IOW('t', 82, int)      /* set max receive unit */
148: #define PPPIOCSMAXCID   _IOW('t', 81, int)      /* set VJ max slot ID */
149: #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
150: #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
151: #define PPPIOCXFERUNIT  _IO('t', 78)            /* transfer PPP unit */
152: #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
153: #define PPPIOCGNPMODE   _IOWR('t', 76, struct npioctl) /* get NP mode */
154: #define PPPIOCSNPMODE   _IOW('t', 75, struct npioctl)  /* set NP mode */
155: #define PPPIOCGDEBUG    _IOR('t', 65, int)      /* Read debug level */
156: #define PPPIOCSDEBUG    _IOW('t', 64, int)      /* Set debug level */
157: #define PPPIOCGIDLE     _IOR('t', 63, struct ppp_idle) /* get idle time */
158: 
159: #define SIOCGPPPSTATS   (SIOCDEVPRIVATE + 0)
160: #define SIOCGPPPVER     (SIOCDEVPRIVATE + 1)  /* NEVER change this!! */
161: #define SIOCGPPPCSTATS  (SIOCDEVPRIVATE + 2)
162: 
163: #if !defined(ifr_mtu)
164: #define ifr_mtu ifr_ifru.ifru_metric
165: #endif
166: 
167: __END_DECLS
168: 
169: #endif /* net/if_ppp.h */
170: 

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