diff options
Diffstat (limited to 'newlib/libc/sys/linux/include/netinet6/ipcomp.h')
| -rw-r--r-- | newlib/libc/sys/linux/include/netinet6/ipcomp.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/include/netinet6/ipcomp.h b/newlib/libc/sys/linux/include/netinet6/ipcomp.h new file mode 100644 index 000000000..c9302e079 --- /dev/null +++ b/newlib/libc/sys/linux/include/netinet6/ipcomp.h @@ -0,0 +1,71 @@ +/* $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_ */ |