initial import of NetBSD tree

1 files changed, 86 insertions, 0 deletions

diff --git a/sys/net/if_slvar.h b/sys/net/if_slvar.h
new file mode 100644
index 00000000000..17cc730c162
--- /dev/null
+++ b/sys/net/if_slvar.h
@@ -0,0 +1,86 @@
+/*	$NetBSD: if_slvar.h,v 1.15 1995/03/26 20:30:14 jtc Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	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	8.3 (Berkeley) 2/1/94
+ */
+
+/*
+ * 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 */
+	long	sc_lasttime;		/* last time a char arrived */
+	long	sc_abortcount;		/* number of abort esacpe chars */
+	long	sc_starttime;		/* time of first abort in window */
+	long	sc_oqlen;		/* previous output queue size */
+	long	sc_otimeout;		/* number of times output's stalled */
+#ifdef NetBSD
+	int	sc_oldbufsize;		/* previous output buffer size */
+	int	sc_oldbufquot;		/* previous output buffer quoting */
+#endif
+#ifdef INET				/* XXX */
+	struct	slcompress sc_comp;	/* tcp compression data */
+#endif
+	caddr_t	sc_bpf;			/* BPF data */
+};
+
+/* internal flags */
+#define	SC_ERROR	0x0001		/* had an input error */
+
+/* visible flags */
+#define	SC_COMPRESS	IFF_LINK0	/* compress TCP traffic */
+#define	SC_NOICMP	IFF_LINK1	/* supress ICMP traffic */
+#define	SC_AUTOCOMP	IFF_LINK2	/* auto-enable TCP compression */
+
+#ifdef _KERNEL
+void	slattach __P((void));
+void	slclose __P((struct tty *));
+void	slinput __P((int, struct tty *));
+int	slioctl __P((struct ifnet *, u_long, caddr_t));
+int	slopen __P((dev_t, struct tty *));
+int	sloutput __P((struct ifnet *,
+	    struct mbuf *, struct sockaddr *, struct rtentry *));
+void	slstart __P((struct tty *));
+int	sltioctl __P((struct tty *, u_long, caddr_t, int));
+#endif /* _KERNEL */