1 files changed, 46 insertions, 0 deletions
diff --git a/sys/net/if_enc.h b/sys/net/if_enc.h
new file mode 100644
index 00000000000..eb7c340238b
--- /dev/null
+++ b/sys/net/if_enc.h
@@ -0,0 +1,46 @@
+/*
+ * The authors of this code are John Ioannidis (ji@tla.org),
+ * Angelos D. Keromytis (kermit@csd.uch.gr) and 
+ * Niels Provos (provos@physnet.uni-hamburg.de).
+ *
+ * This code was written by John Ioannidis for BSD/OS in Athens, Greece, 
+ * in November 1995.
+ *
+ * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
+ * by Angelos D. Keromytis.
+ *
+ * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
+ * and Niels Provos.
+ *
+ * Copyright (C) 1995, 1996, 1997, 1998 by John Ioannidis, Angelos D. Keromytis
+ * and Niels Provos.
+ *	
+ * Permission to use, copy, and modify this software without fee
+ * is hereby granted, provided that this entire notice is included in
+ * all copies of any software which is or includes a copy or
+ * modification of this software. 
+ * You may use this code under the GNU public license if you so wish. Please
+ * contribute changes back to the authors under this freer than GPL license
+ * so that we may further the use of strong encryption without limitations to
+ * all.
+ *
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
+ * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
+ * PURPOSE.
+ */
+
+#ifndef _IF_ENC_H_
+#define _IF_ENC_H_
+
+#define ENCMTU		(1024+512)
+#define ENC_HDRLEN	12
+
+struct enchdr {
+	u_int32_t af;
+	u_int32_t spi;
+	u_int32_t flags;
+};
+
+#endif