diff options
Diffstat (limited to '3rdparty/openpgm-svn-r1135/pgm/include/impl/ip.h')
| -rw-r--r-- | 3rdparty/openpgm-svn-r1135/pgm/include/impl/ip.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1135/pgm/include/impl/ip.h b/3rdparty/openpgm-svn-r1135/pgm/include/impl/ip.h new file mode 100644 index 0000000..2db402e --- /dev/null +++ b/3rdparty/openpgm-svn-r1135/pgm/include/impl/ip.h @@ -0,0 +1,150 @@ +/* vim:ts=8:sts=8:sw=4:noai:noexpandtab + * + * Internet header for protocol version 4, RFC 791. + * + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. 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. + * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. + * + * Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS + * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE + * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +#if !defined (__PGM_IMPL_FRAMEWORK_H_INSIDE__) && !defined (PGM_COMPILATION) +# error "Only <framework.h> can be included directly." +#endif + +#ifndef __PGM_IMPL_IP_H__ +#define __PGM_IMPL_IP_H__ + +#ifndef _WIN32 +# include <netinet/in.h> +# include <sys/param.h> +#endif +#include <pgm/types.h> + +PGM_BEGIN_DECLS + +/* Byte alignment for packet memory maps. + * NB: Solaris and OpenSolaris don't support #pragma pack(push) even on x86. + */ +#if defined( __GNUC__ ) && !defined( sun ) +# pragma pack(push) +#endif +#pragma pack(1) + +/* RFC 791 */ + +/* nb: first four bytes are forced bitfields for win32 "feature" */ +struct pgm_ip +{ +#if (defined( sun ) && defined( _BIT_FIELDS_LTOH )) || (!defined( sun ) && __BYTE_ORDER == __LITTLE_ENDIAN) + unsigned ip_hl:4; /* header length */ + unsigned ip_v:4; /* version */ +#else + unsigned ip_v:4; /* version */ + unsigned ip_hl:4; /* header length */ +#endif + unsigned ip_tos:8; /* type of service */ + unsigned ip_len:16; /* total length */ + uint16_t ip_id; /* identification */ + uint16_t ip_off; /* fragment offset field */ + uint8_t ip_ttl; /* time to live */ + uint8_t ip_p; /* protocol */ + uint16_t ip_sum; /* checksum */ + struct in_addr ip_src, ip_dst; /* source and dest address */ +}; + +PGM_STATIC_ASSERT(sizeof(struct pgm_ip) == 20); + +/* RFC 2460 */ +#ifdef ip6_vfc +# undef ip6_vfc +#endif +#ifdef ip6_plen +# undef ip6_plen +#endif +#ifdef ip6_nxt +# undef ip6_nxt +#endif +#ifdef ip6_hops +# undef ip6_hops +#endif +struct pgm_ip6_hdr +{ + uint32_t ip6_vfc; /* version:4, traffic class:8, flow label:20 */ + uint16_t ip6_plen; /* payload length: packet length - 40 */ + uint8_t ip6_nxt; /* next header type */ + uint8_t ip6_hops; /* hop limit */ + struct in6_addr ip6_src, ip6_dst; /* source and dest address */ +}; + +PGM_STATIC_ASSERT(sizeof(struct pgm_ip6_hdr) == 40); + +#define PGM_IPOPT_EOL 0 /* end of option list */ +#define PGM_IPOPT_NOP 1 /* no operation */ +#define PGM_IPOPT_RR 7 /* record packet route */ +#define PGM_IPOPT_TS 68 /* timestamp */ +#define PGM_IPOPT_SECURITY 130 /* provide s, c, h, tcc */ +#define PGM_IPOPT_LSRR 131 /* loose source route */ +#define PGM_IPOPT_ESO 133 +#define PGM_IPOPT_CIPSO 134 +#define PGM_IPOPT_SATID 136 /* satnet id */ +#define PGM_IPOPT_SSRR 137 /* strict source route */ +#define PGM_IPOPT_RA 148 /* router alert */ + +/* RFC 768 */ +struct pgm_udphdr +{ + uint16_t uh_sport; /* source port */ + uint16_t uh_dport; /* destination port */ + uint16_t uh_ulen; /* udp length */ + uint16_t uh_sum; /* udp checksum */ +}; + +PGM_STATIC_ASSERT(sizeof(struct pgm_udphdr) == 8); + +#if defined( __GNUC__ ) && !defined( sun ) +# pragma pack(pop) +#else +# pragma pack() +#endif + +PGM_END_DECLS + +#endif /* __PGM_IMPL_IP_H__ */ |