163 lines
6.6 KiB
C
163 lines
6.6 KiB
C
/* $NetBSD: if_pppvar.h,v 1.16 2002/09/13 14:32:11 itojun Exp $ */
|
|
/* Id: if_pppvar.h,v 1.3 1996/07/01 01:04:37 paulus Exp */
|
|
|
|
/*
|
|
* if_pppvar.h - private structures and declarations for PPP.
|
|
*
|
|
* Copyright (c) 1989-2002 Paul Mackerras. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. The name(s) of the authors of this software must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission.
|
|
*
|
|
* 4. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by Paul Mackerras
|
|
* <paulus@samba.org>".
|
|
*
|
|
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
|
|
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
|
|
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
|
|
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. The name "Carnegie Mellon University" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For permission or any legal
|
|
* details, please contact
|
|
* Office of Technology Transfer
|
|
* Carnegie Mellon University
|
|
* 5000 Forbes Avenue
|
|
* Pittsburgh, PA 15213-3890
|
|
* (412) 268-4387, fax: (412) 268-7395
|
|
* tech-transfer@andrew.cmu.edu
|
|
*
|
|
* 4. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by Computing Services
|
|
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
|
|
*
|
|
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
|
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
|
|
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
|
|
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _NET_IF_PPPVAR_H_
|
|
#define _NET_IF_PPPVAR_H_
|
|
|
|
#include <sys/callout.h>
|
|
|
|
/*
|
|
* Supported network protocols. These values are used for
|
|
* indexing sc_npmode.
|
|
*/
|
|
#define NP_IP 0 /* Internet Protocol */
|
|
#define NP_IPV6 1 /* Internet Protocol version 6 */
|
|
#define NUM_NP 2 /* Number of NPs. */
|
|
|
|
/*
|
|
* Structure describing each ppp unit.
|
|
*/
|
|
struct ppp_softc {
|
|
struct ifnet sc_if; /* network-visible interface */
|
|
int sc_unit; /* XXX unit number */
|
|
u_int sc_flags; /* control/status bits; see if_ppp.h */
|
|
void *sc_devp; /* pointer to device-dep structure */
|
|
void (*sc_start) __P((struct ppp_softc *)); /* start output proc */
|
|
void (*sc_ctlp) __P((struct ppp_softc *)); /* rcvd control pkt */
|
|
void (*sc_relinq) __P((struct ppp_softc *)); /* relinquish ifunit */
|
|
struct callout sc_timo_ch; /* timeout callout */
|
|
u_int16_t sc_mru; /* max receive unit */
|
|
pid_t sc_xfer; /* used in transferring unit */
|
|
struct ifqueue sc_rawq; /* received packets */
|
|
struct ifqueue sc_inq; /* queue of input packets for daemon */
|
|
struct ifqueue sc_fastq; /* interactive output packet q */
|
|
struct mbuf *sc_togo; /* output packet ready to go */
|
|
struct mbuf *sc_npqueue; /* output packets not to be sent yet */
|
|
struct mbuf **sc_npqtail; /* ptr to last next ptr in npqueue */
|
|
struct pppstat sc_stats; /* count of bytes/pkts sent/rcvd */
|
|
enum NPmode sc_npmode[NUM_NP]; /* what to do with each NP */
|
|
struct compressor *sc_xcomp; /* transmit compressor */
|
|
void *sc_xc_state; /* transmit compressor state */
|
|
struct compressor *sc_rcomp; /* receive decompressor */
|
|
void *sc_rc_state; /* receive decompressor state */
|
|
time_t sc_last_sent; /* time (secs) last NP pkt sent */
|
|
time_t sc_last_recv; /* time (secs) last NP pkt rcvd */
|
|
#ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
|
|
void *sc_si; /* software interrupt handle */
|
|
#endif
|
|
#ifdef PPP_FILTER
|
|
/* Filter for packets to pass. */
|
|
struct bpf_program sc_pass_filt_in;
|
|
struct bpf_program sc_pass_filt_out;
|
|
|
|
/* Filter for "non-idle" packets. */
|
|
struct bpf_program sc_active_filt_in;
|
|
struct bpf_program sc_active_filt_out;
|
|
#endif /* PPP_FILTER */
|
|
#ifdef VJC
|
|
struct slcompress *sc_comp; /* vjc control buffer */
|
|
#endif
|
|
|
|
/* Device-dependent part for async lines. */
|
|
ext_accm sc_asyncmap; /* async control character map */
|
|
u_int32_t sc_rasyncmap; /* receive async control char map */
|
|
struct mbuf *sc_outm; /* mbuf chain currently being output */
|
|
struct mbuf *sc_m; /* pointer to input mbuf chain */
|
|
struct mbuf *sc_mc; /* pointer to current input mbuf */
|
|
char *sc_mp; /* ptr to next char in input mbuf */
|
|
u_int16_t sc_ilen; /* length of input packet so far */
|
|
u_int16_t sc_fcs; /* FCS so far (input) */
|
|
u_int16_t sc_outfcs; /* FCS so far for output packet */
|
|
u_char sc_rawin[16]; /* chars as received */
|
|
int sc_rawin_count; /* # in sc_rawin */
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
extern struct ppp_softc ppp_softc[];
|
|
|
|
struct ppp_softc *pppalloc __P((pid_t pid));
|
|
void pppdealloc __P((struct ppp_softc *sc));
|
|
int pppioctl __P((struct ppp_softc *sc, u_long cmd, caddr_t data,
|
|
int flag, struct proc *p));
|
|
void ppp_restart __P((struct ppp_softc *sc));
|
|
void ppppktin __P((struct ppp_softc *sc, struct mbuf *m, int lost));
|
|
struct mbuf *ppp_dequeue __P((struct ppp_softc *sc));
|
|
int pppoutput __P((struct ifnet *, struct mbuf *,
|
|
struct sockaddr *, struct rtentry *));
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _NET_IF_PPPVAR_H_ */
|