--- /dev/null
+/*!\file net/if_slvar.h
+ * SLIP interface structures.
+ */
+
+/* $NetBSD: if_slvar.h,v 1.17 1997/03/27 20:36:17 thorpej 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
+ */
+#ifndef __NET_IF_SLVAR_H
+#define __NET_IF_SLVAR_H
+
+/*
+ * 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 */
+ int sc_unit; /* XXX unit number */
+ 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_char *sc_xxx; /* XXX don't ask... */
+ 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 */
+
+#endif
projects / oftp / blobdiff