BSD 4.4 Lite Kernel Sources

1 files changed, 51 insertions, 0 deletions

diff --git a/sys/net/slip.h b/sys/net/slip.h
new file mode 100644
index 0000000..4caeb46
--- /dev/null
+++ b/sys/net/slip.h
@@ -0,0 +1,51 @@
+/*-
+ * Copyright (c) 1994
+ *	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.
+ *
+ *	@(#)slip.h	8.1 (Berkeley) 2/12/94
+ */
+
+/* Ioctls operating on SLIP ttys. */
+#define	SLIOCGUNIT	_IOR('t', 88, int)	/* get slip unit number */
+
+/*
+ * Definitions of the pseudo-link-level header attached to slip
+ * packets grabbed by the packet filter (bpf) traffic monitor.
+ */
+#define	SLIP_HDRLEN	16		/* BPF SLIP header length */
+
+/* Offsets into BPF SLIP header. */
+#define	SLX_DIR		0		/* direction; see below */
+#define	SLX_CHDR	1		/* compressed header data */
+#define	CHDR_LEN	15		/* length of compressed header data */
+
+#define	SLIPDIR_IN	0		/* incoming */
+#define	SLIPDIR_OUT	1		/* outgoing */