76 lines
3.4 KiB
C
76 lines
3.4 KiB
C
/*-
|
|
* Copyright (c) 1991 The Regents of the University of California.
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)if_slvar.h 7.7 (Berkeley) 5/7/91
|
|
*
|
|
* $Header: /cvsroot/src/sys/net/if_slvar.h,v 1.3 1993/03/25 00:27:59 cgd Exp $
|
|
*/
|
|
|
|
/*
|
|
* Definitions for SLIP interface data structures
|
|
*
|
|
* (This exists so programs like slstats can get at the definition
|
|
* of sl_softc.)
|
|
*/
|
|
struct sl_softc {
|
|
struct ifnet sc_if; /* network-visible interface */
|
|
struct ifqueue sc_fastq; /* interactive output queue */
|
|
struct tty *sc_ttyp; /* pointer to tty structure */
|
|
u_char *sc_mp; /* pointer to next available buf char */
|
|
u_char *sc_ep; /* pointer to last available buf char */
|
|
u_char *sc_buf; /* input buffer */
|
|
u_int sc_flags; /* see below */
|
|
u_int sc_escape; /* =1 if last char input was FRAME_ESCAPE */
|
|
u_int sc_bytessent;
|
|
u_int sc_bytesrcvd;
|
|
long sc_lasttime; /* last time a char arrived */
|
|
long sc_starttime; /* last time a char arrived */
|
|
long sc_abortcount; /* number of abort esacpe chars */
|
|
#ifdef INET /* XXX */
|
|
struct slcompress sc_comp; /* tcp compression data */
|
|
#endif
|
|
caddr_t sc_bpf;
|
|
};
|
|
|
|
/* visible flags */
|
|
#define SC_COMPRESS 0x0002 /* compress TCP traffic */
|
|
#define SC_NOICMP 0x0004 /* supress ICMP traffic */
|
|
#define SC_AUTOCOMP 0x0008 /* auto-enable TCP compression */
|
|
/* internal flags (should be separate) */
|
|
#define SC_ERROR 0x08000 /* had an input error - 30 Aug 92*/
|
|
#define SC_ABORT 0x10000 /* have been sent an abort request */
|
|
|
|
/* this stuff doesn't belong here... */
|
|
#define SLIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
|
|
#define SLIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
|
|
#define SLIOCGUNIT _IOR('t', 88, int) /* get slip unit number */
|