gems-kernel/source/THIRDPARTY/xnu/bsd/netinet6/in6_private.h
2024-06-03 11:29:39 -05:00

342 lines
12 KiB
C

/*
* Copyright (c) 2008-2020 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (C) 1995, 1996, 1997, and 1998 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.
*/
/*
* Copyright (c) 1982, 1986, 1990, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
*
* @(#)in.h 8.3 (Berkeley) 1/3/94
*/
#ifndef DRIVERKIT
#ifndef __KAME_NETINET_IN_PRIVATE_H_INCLUDED_
#error "do not include netinet6/in6_private.h directly, include netinet/in_private.h. " \
" see RFC2553"
#endif
#endif /* DRIVERKIT */
#ifndef _NETINET6_IN6_PRIVATE_H_
#define _NETINET6_IN6_PRIVATE_H_
#include <netinet/in.h>
#include <stdint.h>
#ifdef BSD_KERNEL_PRIVATE
#include <sys/eventhandler.h>
#endif
#include <sys/types.h>
#include <uuid/uuid.h>
#ifndef XNU_PLATFORM_DriverKit
#ifdef KERNEL_PRIVATE
extern const struct sockaddr_in6 sa6_any;
extern const struct in6_addr in6mask0;
extern const struct in6_addr in6mask7;
extern const struct in6_addr in6mask16;
extern const struct in6_addr in6mask32;
extern const struct in6_addr in6mask64;
extern const struct in6_addr in6mask96;
extern const struct in6_addr in6mask128;
#define SIN6(s) ((struct sockaddr_in6 *)(void *)s)
#define satosin6(sa) SIN6(sa)
#define sin6tosa(sin6) ((struct sockaddr *)(void *)(sin6))
#define SIN6IFSCOPE(s) SIN6(s)
#endif /* KERNEL_PRIVATE */
struct route_in6_old {
void *ro_rt;
uint32_t ro_flags;
struct sockaddr_in6 ro_dst;
};
#ifdef BSD_KERNEL_PRIVATE
#include <sys/eventhandler.h>
/*
* IP6 route structure
*
* A route consists of a destination address and a reference
* to a routing entry. These are often held by protocols
* in their control blocks, e.g. inpcb.
*/
struct route_in6 {
/*
* N.B: struct route_in6 must begin with ro_{rt,srcia,flags}
* because the code does some casts of a 'struct route_in6 *'
* to a 'struct route *'.
*/
struct rtentry *ro_rt;
struct ifaddr *ro_srcia;
uint32_t ro_flags; /* route flags */
struct sockaddr_in6 ro_dst;
};
#endif /* BSD_KERNEL_PRIVATE */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*
* Options for use with [gs]etsockopt at the IPV6 level.
* First word of comment is data type; bool is stored in int.
*/
#define IPV6_NO_IFT_CELLULAR 6969 /* for internal use only */
#define IPV6_OUT_IF 9696 /* for internal use only */
#ifdef BSD_KERNEL_PRIVATE
#define CTL_IPV6PROTO_NAMES { \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, \
{ "tcp6", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "udp6", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, \
{ "ip6", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, \
{ "ipsec6", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "icmp6", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
}
/*
* Redefinition of mbuf flags
*/
#define M_AUTHIPHDR M_PROTO2
#define M_DECRYPTED M_PROTO3
#define M_AUTHIPDGM M_PROTO5
struct cmsghdr;
struct mbuf;
struct ifnet;
struct in6_aliasreq;
struct lltable;
extern struct lltable * in6_lltattach(struct ifnet *ifp);
extern uint16_t in6_pseudo(const struct in6_addr *, const struct in6_addr *,
uint32_t);
extern u_int16_t inet6_cksum(struct mbuf *, uint32_t, uint32_t, uint32_t);
extern u_int16_t inet6_cksum_buffer(const uint8_t *, uint32_t, uint32_t,
uint32_t);
#define in6_cksum(_m, _n, _o, _l) \
inet6_cksum(_m, _n, _o, _l)
#define in6_cksum_buffer(_b, _n, _o, _l) \
inet6_cksum_buffer(_b, _n, _o, _l)
extern int in6_addrscope(struct in6_addr *);
extern struct in6_ifaddr *in6_ifawithscope(struct ifnet *, struct in6_addr *);
extern struct in6_ifaddr *in6_ifawithifp(struct ifnet *, struct in6_addr *);
struct sockaddr;
extern void in6_sin6_2_sin(struct sockaddr_in *sin, struct sockaddr_in6 *sin6);
extern void in6_sin_2_v4mapsin6(struct sockaddr_in *sin,
struct sockaddr_in6 *sin6);
extern void in6_sin6_2_sin_in_sock(struct sockaddr *nam);
extern int in6_sin_2_v4mapsin6_in_sock(struct sockaddr **nam);
extern uint32_t in6_finalize_cksum(struct mbuf *, uint32_t, int32_t,
int32_t, uint32_t);
#define in6_delayed_cksum(_m) \
((void) in6_finalize_cksum(_m, 0, 0, -1, CSUM_DELAY_IPV6_DATA))
#define in6_delayed_cksum_offset(_m, _o, _s, _p) \
((void) in6_finalize_cksum(_m, _o, _s, _p, CSUM_DELAY_IPV6_DATA))
/* IPv6 protocol events */
extern struct eventhandler_lists_ctxt in6_evhdlr_ctxt;
/*
* XXX Avoid reordering the enum values below.
* If the order is changed, please make sure
* in6_event2kev_array is also changed to reflect the
* change in order of the enums
*/
typedef enum {
/* Address events */
/*
* XXX To avoid duplicacy and also for correctness
* only report these for link local and stable addresses
* NOTE: Link local address can never be marked detached
* or duplicated.
*/
IN6_ADDR_MARKED_DUPLICATED,
IN6_ADDR_MARKED_DETACHED,
IN6_ADDR_MARKED_DEPRECATED,
/* Expiry events */
IN6_NDP_RTR_EXPIRY,
IN6_NDP_PFX_EXPIRY,
IN6_NDP_ADDR_EXPIRY,
/* XXX DNS expiry needs to be handled by user-space */
/* MAX */
IN6_EVENT_MAX,
} in6_evhdlr_code_t;
struct in6_event2kev {
in6_evhdlr_code_t in6_event_code;
uint32_t in6_event_kev_subclass;
uint32_t in6_event_kev_code;
const char *in6_event_str;
};
extern struct in6_event2kev in6_event2kev_array[];
extern void in6_eventhdlr_callback(struct eventhandler_entry_arg, in6_evhdlr_code_t,
struct ifnet *, struct in6_addr *, uint32_t);
extern void in6_event_enqueue_nwk_wq_entry(in6_evhdlr_code_t,
struct ifnet *, struct in6_addr *, uint32_t);
typedef void (*in6_event_fn) (struct eventhandler_entry_arg, in6_evhdlr_code_t,
struct ifnet *, struct in6_addr *, uint32_t);
EVENTHANDLER_DECLARE(in6_event, in6_event_fn);
#endif /* BSD_KERNEL_PRIVATE */
/* CLAT46 events */
typedef enum in6_clat46_evhdlr_code_t {
IN6_CLAT46_EVENT_V4_FLOW,
IN6_CLAT46_EVENT_V6_ADDR_CONFFAIL,
} in6_clat46_evhdlr_code_t;
struct kev_netevent_clat46_data {
in6_clat46_evhdlr_code_t clat46_event_code;
pid_t epid;
uuid_t euuid;
};
#ifdef BSD_KERNEL_PRIVATE
/* CLAT46 events */
extern struct eventhandler_lists_ctxt in6_clat46_evhdlr_ctxt;
extern void in6_clat46_eventhdlr_callback(struct eventhandler_entry_arg,
in6_clat46_evhdlr_code_t, pid_t, uuid_t);
extern void in6_clat46_event_enqueue_nwk_wq_entry(in6_clat46_evhdlr_code_t,
pid_t, uuid_t);
typedef void (*in6_clat46_event_fn) (struct eventhandler_entry_arg, in6_clat46_evhdlr_code_t,
pid_t, uuid_t);
EVENTHANDLER_DECLARE(in6_clat46_event, in6_clat46_event_fn);
#endif /* BSD_KERNEL_PRIVATE */
#ifdef KERNEL_PRIVATE
/* exporte for ApplicationFirewall */
extern int in6_localaddr(struct in6_addr *);
extern int in6addr_local(struct in6_addr *);
#endif /* KERNEL_PRIVATE */
#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
#endif /* XNU_PLATFORM_DriverKit */
#endif /* !_NETINET6_IN6_PRIVATE_H_ */