Compression support for IPComp. Include files only. angelos@ ok.

1 files changed, 55 insertions, 0 deletions

diff --git a/sys/crypto/deflate.h b/sys/crypto/deflate.h
new file mode 100644
index 00000000000..9b7607d2ffe
--- /dev/null
+++ b/sys/crypto/deflate.h
@@ -0,0 +1,55 @@
+/* $OpenBSD: deflate.h,v 1.1 2001/07/05 08:26:04 jjbg Exp $ */
+
+/*
+ * Copyright (c) 2001 Jean-Jacques Bernard-Gundol (jj@wabbitt.org)
+ *
+ * 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. The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+/*
+ * Definition for the wrapper around the deflate compression 
+ * algorithm used in /sys/crypto
+ */
+
+#ifndef _CRYPTO_DEFLATE_H_
+#define _CRYPTO_DEFLATE_H_
+
+#include <net/zlib.h>
+
+#define Z_METHOD	8
+#define Z_MEMLEVEL	8
+#define MINCOMP		2	/* won't be used, but must be defined */
+#define ZBUF		10
+
+u_int32_t deflate_global __P((u_int8_t *, u_int32_t, int, u_int8_t **));
+void *z_alloc __P((void *, u_int, u_int));
+void z_free     __P((void *, void *, u_int));
+
+struct deflate_buf {
+	u_int8_t *out;
+	u_int32_t size;
+	int flag;
+};
+
+#endif _CRYPTO_DEFLATE_H_