138 lines
5.4 KiB
C
138 lines
5.4 KiB
C
/*
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* if_ppp.h - Point-to-Point Protocol definitions.
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*
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* Copyright (c) 1989 Carnegie Mellon University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by Carnegie Mellon University. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: if_ppp.h,v 1.12 1997/10/18 00:49:59 peter Exp $
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*/
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#ifndef _IF_PPP_H_
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#define _IF_PPP_H_
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/* XXX this used to be self-contained. */
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#include <net/ppp_defs.h>
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#include <net/if.h>
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/*
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* Packet sizes
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*/
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#define PPP_MTU 1500 /* Default MTU (size of Info field) */
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#define PPP_MAXMRU 65000 /* Largest MRU we allow */
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#define PPP_MAXMTU 16384 /* Largest MTU we allow */
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/*
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* Bit definitions for flags.
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*/
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#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */
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#define SC_COMP_AC 0x00000002 /* header compression (output) */
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#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */
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#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */
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#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */
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#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */
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#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */
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#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */
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#define SC_DEBUG 0x00010000 /* enable debug messages */
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#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */
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#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */
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#define SC_LOG_RAWIN 0x00080000 /* log all chars received */
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#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */
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#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */
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#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */
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#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */
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#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */
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#define SC_MASK 0x0fff00ff /* bits that user can change */
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/*
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* State bits in sc_flags, not changeable by user.
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*/
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#define SC_TIMEOUT 0x00000400 /* timeout is currently pending */
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#define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */
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#define SC_COMP_RUN 0x00001000 /* compressor has been initiated */
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#define SC_DECOMP_RUN 0x00002000 /* decompressor has been initiated */
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#define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */
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#define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */
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#define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */
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#define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */
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#define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */
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#define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */
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/*
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* Ioctl definitions.
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*/
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struct npioctl {
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int protocol; /* PPP procotol, e.g. PPP_IP */
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enum NPmode mode;
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};
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/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
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struct ppp_option_data {
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u_char *ptr;
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u_int length;
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int transmit;
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};
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struct ifpppstatsreq {
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char ifr_name[IFNAMSIZ];
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struct ppp_stats stats;
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};
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struct ifpppcstatsreq {
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char ifr_name[IFNAMSIZ];
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struct ppp_comp_stats stats;
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};
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/*
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* Ioctl definitions.
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*/
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#define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
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#define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
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#define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */
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#define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */
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#define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */
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#define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */
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#define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */
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#define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */
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#define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */
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#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */
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#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
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#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
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#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */
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#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
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#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */
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#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */
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#define PPPIOCGIDLE _IOR('t', 74, struct ppp_idle) /* get idle time */
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#define PPPIOCSPASS _IOW('t', 71, struct bpf_program) /* set pass filter */
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#define PPPIOCSACTIVE _IOW('t', 70, struct bpf_program) /* set active filt */
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/* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
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#define PPPIOCGMTU _IOR('t', 73, int) /* get interface MTU */
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#define PPPIOCSMTU _IOW('t', 72, int) /* set interface MTU */
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/*
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* These two are interface ioctls so that pppstats can do them on
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* a socket without having to open the serial device.
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*/
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#define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq)
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#define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq)
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#if !defined(ifr_mtu)
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#define ifr_mtu ifr_ifru.ifru_metric
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#endif
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#endif /* _IF_PPP_H_ */
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