RTEMS
6.3
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cpukit
include
machine
_kernel_in6.h
Go to the documentation of this file.
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $
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*/
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#if defined(_NETINET6_IN6_H_) && defined(_KERNEL)
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/* XXX nonstandard */
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#define s6_addr8 __u6_addr.__u6_addr8
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#define s6_addr16 __u6_addr.__u6_addr16
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#define s6_addr32 __u6_addr.__u6_addr32
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/*
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* Local definition for masks
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*/
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/* XXX nonstandard */
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#define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
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#define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
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#define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
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#define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
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0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
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#define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}}
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extern
const
struct
sockaddr_in6 sa6_any;
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extern
const
struct
in6_addr in6mask0;
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extern
const
struct
in6_addr in6mask32;
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extern
const
struct
in6_addr in6mask64;
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extern
const
struct
in6_addr in6mask96;
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extern
const
struct
in6_addr in6mask128;
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/*
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* Macros started with IPV6_ADDR is KAME local
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*/
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/* XXX nonstandard */
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#if _BYTE_ORDER == _BIG_ENDIAN
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#define IPV6_ADDR_INT32_ONE 1
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#define IPV6_ADDR_INT32_TWO 2
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#define IPV6_ADDR_INT32_MNL 0xff010000
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#define IPV6_ADDR_INT32_MLL 0xff020000
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#define IPV6_ADDR_INT32_SMP 0x0000ffff
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#define IPV6_ADDR_INT16_ULL 0xfe80
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#define IPV6_ADDR_INT16_USL 0xfec0
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#define IPV6_ADDR_INT16_MLL 0xff02
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#elif _BYTE_ORDER == _LITTLE_ENDIAN
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#define IPV6_ADDR_INT32_ONE 0x01000000
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#define IPV6_ADDR_INT32_TWO 0x02000000
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#define IPV6_ADDR_INT32_MNL 0x000001ff
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#define IPV6_ADDR_INT32_MLL 0x000002ff
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#define IPV6_ADDR_INT32_SMP 0xffff0000
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#define IPV6_ADDR_INT16_ULL 0x80fe
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#define IPV6_ADDR_INT16_USL 0xc0fe
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#define IPV6_ADDR_INT16_MLL 0x02ff
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#endif
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/* XXX nonstandard */
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#define IPV6_ADDR_SCOPE_NODELOCAL 0x01
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#define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01
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#define IPV6_ADDR_SCOPE_LINKLOCAL 0x02
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#define IPV6_ADDR_SCOPE_SITELOCAL 0x05
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#define IPV6_ADDR_SCOPE_ORGLOCAL 0x08
/* just used in this file */
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#define IPV6_ADDR_SCOPE_GLOBAL 0x0e
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#define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
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/* refers nonstandard items */
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#define IN6_IS_ADDR_MC_NODELOCAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && \
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(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
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#define IN6_IS_ADDR_MC_INTFACELOCAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && \
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(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL))
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#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && \
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(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
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#define IN6_IS_ADDR_MC_SITELOCAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && \
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(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
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#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && \
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(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
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#define IN6_IS_ADDR_MC_GLOBAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && \
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(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL))
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/* nonstandard */
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/*
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* KAME Scope
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*/
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#define IN6_IS_SCOPE_LINKLOCAL(a) \
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((IN6_IS_ADDR_LINKLOCAL(a)) || \
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(IN6_IS_ADDR_MC_LINKLOCAL(a)))
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#define IN6_IS_SCOPE_EMBED(a) \
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((IN6_IS_ADDR_LINKLOCAL(a)) || \
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(IN6_IS_ADDR_MC_LINKLOCAL(a)) || \
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(IN6_IS_ADDR_MC_INTFACELOCAL(a)))
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#define IFA6_IS_DEPRECATED(a) \
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((a)->ia6_lifetime.ia6t_pltime != ND6_INFINITE_LIFETIME && \
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(u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \
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(a)->ia6_lifetime.ia6t_pltime)
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#define IFA6_IS_INVALID(a) \
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((a)->ia6_lifetime.ia6t_vltime != ND6_INFINITE_LIFETIME && \
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(u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \
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(a)->ia6_lifetime.ia6t_vltime)
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#define MTAG_ABI_IPV6 1444287380
/* IPv6 ABI */
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#define IPV6_TAG_DIRECT 0
/* direct-dispatch IPv6 */
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/* RFC2292 options */
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#define IPV6_2292PKTINFO 19
/* bool; send/recv if, src/dst addr */
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#define IPV6_2292HOPLIMIT 20
/* bool; hop limit */
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#define IPV6_2292NEXTHOP 21
/* bool; next hop addr */
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#define IPV6_2292HOPOPTS 22
/* bool; hop-by-hop option */
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#define IPV6_2292DSTOPTS 23
/* bool; destinaion option */
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#define IPV6_2292RTHDR 24
/* bool; routing header */
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#define IPV6_2292PKTOPTIONS 25
/* buf/cmsghdr; set/get IPv6 options */
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#define IPV6_RECVRTHDRDSTOPTS 41
/* bool; recv dst option before rthdr */
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struct
cmsghdr;
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struct
ip6_hdr;
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int
in6_cksum_pseudo(
struct
ip6_hdr *, uint32_t, uint8_t, uint16_t);
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int
in6_cksum(
struct
mbuf *, u_int8_t, u_int32_t, u_int32_t);
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int
in6_cksum_partial(
struct
mbuf *, u_int8_t, u_int32_t, u_int32_t,
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u_int32_t);
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int
in6_localaddr(
struct
in6_addr *);
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int
in6_localip(
struct
in6_addr *);
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bool
in6_localip_fib(
struct
in6_addr *, uint16_t);
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int
in6_ifhasaddr(
struct
ifnet *,
struct
in6_addr *);
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int
in6_addrscope(
const
struct
in6_addr *);
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char
*ip6_sprintf(
char
*,
const
struct
in6_addr *);
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struct
in6_ifaddr *in6_ifawithifp(
struct
ifnet *,
struct
in6_addr *);
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extern
void
in6_if_up(
struct
ifnet *);
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struct
sockaddr;
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extern
u_char ip6_protox[];
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void
in6_sin6_2_sin(
struct
sockaddr_in *sin,
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struct
sockaddr_in6 *sin6);
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void
in6_sin_2_v4mapsin6(
struct
sockaddr_in *sin,
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struct
sockaddr_in6 *sin6);
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void
in6_sin6_2_sin_in_sock(
struct
sockaddr *nam);
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void
in6_sin_2_v4mapsin6_in_sock(
struct
sockaddr **nam);
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extern
void
addrsel_policy_init(
void
);
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#define satosin6(sa) ((struct sockaddr_in6 *)(sa))
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#define sin6tosa(sin6) ((struct sockaddr *)(sin6))
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#define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa))
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#else
/* !_NETINET6_IN6_H_ || !_KERNEL */
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#error "must be included via <netinet6/in6.h> in kernel space"
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#endif
/* _NETINET6_IN6_H_ && _KERNEL */
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