added watt32 headers and brought the DOS version up to parity with UNIX

[oftp] / libs / watt32 / netinet6 / ipcomp.h

diff --git a/libs/watt32/netinet6/ipcomp.h b/libs/watt32/netinet6/ipcomp.h
new file mode 100644 (file)
index 0000000..393f064
--- /dev/null
+++ b/libs/watt32/netinet6/ipcomp.h
@@ -0,0 +1,75 @@
+/*!\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_ */