9f95a5d658
- ref count each compressor
- allow {un,}registration of several modules at once
- une RUN_ONCE to make sure the mutex is initialised, because
unfortunately built-in (and bootloader-loaded) modules init functions
are run before pseudo-devices attach (reported by Nick Hudson).
182 lines
7.1 KiB
C
182 lines
7.1 KiB
C
/* $NetBSD: if_ppp.h,v 1.25 2008/11/29 23:15:20 cube Exp $ */
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/* Id: if_ppp.h,v 1.16 1997/04/30 05:46:04 paulus Exp */
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/*
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* if_ppp.h - Point-to-Point Protocol definitions.
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*
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* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The name "Carnegie Mellon University" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For permission or any legal
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* details, please contact
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* Office of Technology Transfer
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* Carnegie Mellon University
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* 5000 Forbes Avenue
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* Pittsburgh, PA 15213-3890
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* (412) 268-4387, fax: (412) 268-7395
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* tech-transfer@andrew.cmu.edu
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*
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* 4. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by Computing Services
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* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
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*
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* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
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* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _NET_IF_PPP_H_
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#define _NET_IF_PPP_H_
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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_SYNC 0x00200000 /* synchronous HDLC */
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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 inited */
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#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */
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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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struct ppp_rawin {
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u_char buf[63];
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u_char count;
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};
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/*
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* Ioctl definitions.
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*/
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#define PPPIOCGRAWIN _IOR('t', 91, struct ppp_rawin) /* get raw input */
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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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#ifdef PPP_FILTER
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/*
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* XXX These are deprecated; they can no longer be used, because they
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* XXX don't play well with multiple encaps. The defs are here so that
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* XXX we can return decent errors to old pppds, and so that new pppds
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* XXX will work with old kernels.
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*/
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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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/*
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* Use these instead.
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*/
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#define PPPIOCSIPASS _IOW('t', 69, struct bpf_program) /* set in pass flt */
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#define PPPIOCSOPASS _IOW('t', 68, struct bpf_program) /* set out pass flt */
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#define PPPIOCSIACTIVE _IOW('t', 67, struct bpf_program) /* set in act flt */
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#define PPPIOCSOACTIVE _IOW('t', 66, struct bpf_program) /* set out act flt */
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#endif /* PPP_FILTER */
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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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#if defined(_KERNEL) || defined(KERNEL)
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void pppattach(void);
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struct compressor;
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int ppp_register_compressor(struct compressor *, size_t);
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int ppp_unregister_compressor(struct compressor *, size_t);
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#endif
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#endif /* !_NET_IF_PPP_H_ */
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