Home | History | Annotate | Download | only in net
      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 (at) 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