X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=libs%2Fwatt32%2Fnetinet6%2Fipcomp.h;fp=libs%2Fwatt32%2Fnetinet6%2Fipcomp.h;h=393f064698dfb7f381007a94564c81546f0f725e;hb=214a070238552de6167bbf506cbc23006969a182;hp=0000000000000000000000000000000000000000;hpb=d3c8a942b99443abf0c11d9759994022ed6da597;p=oftp

diff --git a/libs/watt32/netinet6/ipcomp.h b/libs/watt32/netinet6/ipcomp.h
new file mode 100644
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+++ b/libs/watt32/netinet6/ipcomp.h
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+/*!\file netinet6/ipcomp.h
+ *
+ */
+
+/*      $FreeBSD: src/sys/netinet6/ipcomp.h,v 1.4 2002/04/19 04:46:23 suz Exp $ */
+/*	$KAME: ipcomp.h,v 1.11 2001/09/04 08:43:19 itojun Exp $	*/
+
+/*
+ * Copyright (C) 1999 WIDE Project.
+ * 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. Neither the name of the project 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 PROJECT 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 PROJECT 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.
+ */
+
+/*
+ * RFC2393 IP payload compression protocol (IPComp).
+ */
+
+#ifndef _NETINET6_IPCOMP_H_
+#define _NETINET6_IPCOMP_H_
+
+#if defined(_KERNEL) && !defined(_LKM)
+#include "opt_inet.h"
+#endif
+
+struct ipcomp {
+	u_int8_t comp_nxt;	/* Next Header */
+	u_int8_t comp_flags;	/* reserved, must be zero */
+	u_int16_t comp_cpi;	/* Compression parameter index */
+};
+
+/* well-known algorithm number (in CPI), from RFC2409 */
+#define IPCOMP_OUI	1	/* vendor specific */
+#define IPCOMP_DEFLATE	2	/* RFC2394 */
+#define IPCOMP_LZS	3	/* RFC2395 */
+#define IPCOMP_MAX	4
+
+#define IPCOMP_CPI_NEGOTIATE_MIN	256
+
+#ifdef _KERNEL
+struct ipcomp_algorithm {
+	int (*compress) __P((struct mbuf *, struct mbuf *, size_t *));
+	int (*decompress) __P((struct mbuf *, struct mbuf *, size_t *));
+	size_t minplen;		/* minimum required length for compression */
+};
+
+struct ipsecrequest;
+extern const struct ipcomp_algorithm *ipcomp_algorithm_lookup __P((int));
+extern void ipcomp4_input __P((struct mbuf *, int));
+extern int ipcomp4_output __P((struct mbuf *, struct ipsecrequest *));
+#endif /* KERNEL */
+
+#endif /* _NETINET6_IPCOMP_H_ */