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authorsvn2git <svn2git@FreeBSD.org>1993-11-01 08:00:00 +0000
committersvn2git <svn2git@FreeBSD.org>1993-11-01 08:00:00 +0000
commit8503f4f13f77abf7adc8f7e329c6f9c1d52b6a20 (patch)
treec5b2ce776438e0a52b492a2ab6ab41360b8ba1f6 /sys/net/slip.h
This commit was manufactured to restore the state of the 1.0-RELEASE image. Releases prior to 5.3-RELEASE are omitting the secure/ and crypto/ subdirs.
Diffstat (limited to 'sys/net/slip.h')
-rw-r--r--sys/net/slip.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/sys/net/slip.h b/sys/net/slip.h
new file mode 100644
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--- /dev/null
+++ b/sys/net/slip.h
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+/*
+ * Copyright (c) 1990 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * from: unknown
+ * $Id: slip.h,v 1.2 1993/10/16 17:43:44 rgrimes Exp $
+ */
+
+/*
+ * Definitions that user level programs might need to know to interact
+ * with serial line IP (slip) lines.
+ */
+
+/*
+ * ioctl to get slip interface unit number (e.g., sl0, sl1, etc.)
+ * assigned to some terminal line with a slip module pushed on it.
+ */
+#ifdef __STDC__
+#define SLIOGUNIT _IOR('B', 1, int)
+#else
+#define SLIOGUNIT _IOR(B, 1, int)
+#endif
+
+/*
+ * definitions of the pseudo- link-level header attached to slip
+ * packets grabbed by the packet filter (bpf) traffic monitor.
+ */
+#define SLIP_HDRLEN 16
+
+#define SLX_DIR 0
+#define SLX_CHDR 1
+#define CHDR_LEN 15
+
+#define SLIPDIR_IN 0
+#define SLIPDIR_OUT 1
+