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

336 lines
12 KiB
C

/*
* Copyright (c) 2000-2018 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) 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
* $FreeBSD: src/sys/netinet/in.h,v 1.48.2.2 2001/04/21 14:53:06 ume Exp $
*/
#ifndef _NETINET_IN_PRIVATE_H_
#define _NETINET_IN_PRIVATE_H_
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/types.h>
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/* 253-254: Experimentation and testing; 255: Reserved (RFC3692) */
/* BSD Private, local use, namespace incursion */
#define IPPROTO_QUIC 253 /* QUIC protocol (Over UDP) */
#ifdef __APPLE__
#define IN_SHARED_ADDRESS_SPACE(i) ((((u_int32_t)(i)) & (u_int32_t)0xffc00000) \
== (u_int32_t)0x64400000)
#define IN_DS_LITE(i) ((((u_int32_t)(i)) & (u_int32_t)0xfffffff8) == (u_int32_t)0xc0000000)
#define IN_6TO4_RELAY_ANYCAST(i) ((((u_int32_t)(i)) & (u_int32_t)IN_CLASSC_NET) == (u_int32_t)0xc0586300)
#endif /* __APPLE__ */
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* sockaddr_in with scope ID field; this is used internally to keep
* track of scoped route entries in the routing table. The fact that
* such a value is embedded in the structure is an artifact of the
* current implementation which could change in future.
*/
struct sockaddr_inifscope {
__uint8_t sin_len;
sa_family_t sin_family;
in_port_t sin_port;
struct in_addr sin_addr;
/*
* To avoid possible conflict with an overlaid sockaddr_inarp
* having sin_other set to SIN_PROXY, we use the first 4-bytes
* of sin_zero since sin_srcaddr is one of the unused fields
* in sockaddr_inarp.
*/
union {
char sin_zero[8];
struct {
__uint32_t ifscope;
} _in_index;
} un;
#define sin_scope_id un._in_index.ifscope
};
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*
* Options for use with [gs]etsockopt at the IP level.
* First word of comment is data type; bool is stored in int.
*/
#define IP_NO_IFT_CELLULAR 6969 /* for internal use only */
#define IP_NO_IFT_PDP IP_NO_IFT_CELLULAR /* deprecated */
#define IP_OUT_IF 9696 /* for internal use only */
#ifdef BSD_KERNEL_PRIVATE
#define CTL_IPPROTO_NAMES { \
{ "ip", CTLTYPE_NODE }, \
{ "icmp", CTLTYPE_NODE }, \
{ "igmp", CTLTYPE_NODE }, \
{ "ggp", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "tcp", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ "egp", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "pup", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "udp", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "idp", 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 }, \
{ "ipsec", CTLTYPE_NODE }, \
}
#define IPCTL_NAMES { \
{ 0, 0 }, \
{ "forwarding", CTLTYPE_INT }, \
{ "redirect", CTLTYPE_INT }, \
{ "ttl", CTLTYPE_INT }, \
{ "mtu", CTLTYPE_INT }, \
{ "rtexpire", CTLTYPE_INT }, \
{ "rtminexpire", CTLTYPE_INT }, \
{ "rtmaxcache", CTLTYPE_INT }, \
{ "sourceroute", CTLTYPE_INT }, \
{ "directed-broadcast", CTLTYPE_INT }, \
{ "intr-queue-maxlen", CTLTYPE_INT }, \
{ "intr-queue-drops", CTLTYPE_INT }, \
{ "stats", CTLTYPE_STRUCT }, \
{ "accept_sourceroute", CTLTYPE_INT }, \
{ "fastforwarding", CTLTYPE_INT }, \
{ "keepfaith", CTLTYPE_INT }, \
{ "gifttl", CTLTYPE_INT }, \
}
#endif /* BSD_KERNEL_PRIVATE */
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/* INET6 stuff */
#define __KAME_NETINET_IN_PRIVATE_H_INCLUDED_
#include <netinet6/in6_private.h>
#undef __KAME_NETINET_IN_PRIVATE_H_INCLUDED_
/*
* Minimal sized structure to hold an IPv4 or IPv6 socket address
* as sockaddr_storage can waste memory
*/
union sockaddr_in_4_6 {
struct sockaddr sa;
struct __sockaddr_header sah;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
};
#define CLAT46_HDR_EXPANSION_OVERHD (sizeof(struct ip6_hdr) - sizeof(struct ip))
/*
* Recommended DiffServ Code Point values
*/
#define _DSCP_DF 0 /* RFC 2474 */
#define _DSCP_CS0 0 /* RFC 2474 */
#define _DSCP_CS1 8 /* RFC 2474 */
#define _DSCP_CS2 16 /* RFC 2474 */
#define _DSCP_CS3 24 /* RFC 2474 */
#define _DSCP_CS4 32 /* RFC 2474 */
#define _DSCP_CS5 40 /* RFC 2474 */
#define _DSCP_CS6 48 /* RFC 2474 */
#define _DSCP_CS7 56 /* RFC 2474 */
#define _DSCP_EF 46 /* RFC 2474 */
#define _DSCP_VA 44 /* RFC 5865 */
#define _DSCP_AF11 10 /* RFC 2597 */
#define _DSCP_AF12 12 /* RFC 2597 */
#define _DSCP_AF13 14 /* RFC 2597 */
#define _DSCP_AF21 18 /* RFC 2597 */
#define _DSCP_AF22 20 /* RFC 2597 */
#define _DSCP_AF23 22 /* RFC 2597 */
#define _DSCP_AF31 26 /* RFC 2597 */
#define _DSCP_AF32 28 /* RFC 2597 */
#define _DSCP_AF33 30 /* RFC 2597 */
#define _DSCP_AF41 34 /* RFC 2597 */
#define _DSCP_AF42 36 /* RFC 2597 */
#define _DSCP_AF43 38 /* RFC 2597 */
#define _DSCP_52 52 /* Wi-Fi WMM Certification: Sigma */
#define _MAX_DSCP 63 /* coded on 6 bits */
#ifndef XNU_PLATFORM_DriverKit
#ifdef KERNEL
#ifdef BSD_KERNEL_PRIVATE
#include <mach/boolean.h>
struct ip;
struct ifnet;
struct mbuf;
extern boolean_t in_broadcast(struct in_addr, struct ifnet *);
extern boolean_t in_canforward(struct in_addr);
extern u_int32_t in_netof(struct in_addr);
extern uint32_t os_cpu_in_cksum_mbuf(struct mbuf *m, int len, int off,
uint32_t initial_sum);
extern uint16_t inet_cksum(struct mbuf *, uint32_t, uint32_t, uint32_t);
extern uint16_t inet_cksum_buffer(const void *__sized_by(__len), uint32_t, uint32_t, uint32_t __len);
extern uint16_t in_addword(uint16_t, uint16_t);
extern uint16_t in_pseudo(uint32_t, uint32_t, uint32_t);
extern uint16_t in_pseudo64(uint64_t, uint64_t, uint64_t);
extern uint16_t in_cksum_hdr_opt(const struct ip *);
extern uint16_t ip_cksum_hdr_dir(struct mbuf *, uint32_t, int);
extern uint16_t ip_cksum_hdr_dir_buffer(const void *__sized_by(__len), uint32_t, uint32_t __len, int);
extern uint32_t in_finalize_cksum(struct mbuf *, uint32_t, uint32_t);
extern uint16_t b_sum16(const void *__sized_by(len)buf, int len);
#if DEBUG || DEVELOPMENT
extern uint32_t in_cksum_mbuf_ref(struct mbuf *, int, int, uint32_t);
#endif /* DEBUG || DEVELOPMENT */
extern int in_getconninfo(struct socket *, sae_connid_t, uint32_t *,
uint32_t *, int32_t *, user_addr_t, socklen_t *, user_addr_t, socklen_t *,
uint32_t *, user_addr_t, uint32_t *);
extern struct in_ifaddr * inifa_ifpwithflag(struct ifnet *, uint32_t);
extern struct in_ifaddr * inifa_ifpclatv4(struct ifnet *);
#define in_cksum(_m, _l) \
inet_cksum(_m, 0, 0, _l)
#define in_cksum_buffer(_b, _l) \
inet_cksum_buffer(_b, 0, 0, _l)
#define ip_cksum_hdr_in(_m, _l) \
ip_cksum_hdr_dir(_m, _l, 0)
#define ip_cksum_hdr_out(_m, _l) \
ip_cksum_hdr_dir(_m, _l, 1)
#define in_cksum_hdr(_ip) \
(~b_sum16(_ip, sizeof (struct ip)) & 0xffff)
#define in_cksum_offset(_m, _o) \
((void) in_finalize_cksum(_m, _o, CSUM_DELAY_IP))
#define in_delayed_cksum(_m) \
((void) in_finalize_cksum(_m, 0, CSUM_DELAY_DATA))
#define in_delayed_cksum_offset(_m, _o) \
((void) in_finalize_cksum(_m, _o, CSUM_DELAY_DATA))
#define in_hosteq(s, t) ((s).s_addr == (t).s_addr)
#define in_nullhost(x) ((x).s_addr == INADDR_ANY)
#define in_allhosts(x) ((x).s_addr == htonl(INADDR_ALLHOSTS_GROUP))
#define SIN(s) ((struct sockaddr_in *)(void *)s)
#define satosin(sa) SIN(sa)
#define sintosa(sin) ((struct sockaddr *)(void *)(sin))
#define SINIFSCOPE(s) ((struct sockaddr_inifscope *)(void *)(s))
#define IPTOS_UNSPEC (-1) /* TOS byte not set */
#define IPTOS_MASK 0xFF /* TOS byte mask */
#endif /* BSD_KERNEL_PRIVATE */
#ifdef KERNEL_PRIVATE
/* exported for ApplicationFirewall */
extern int in_localaddr(struct in_addr);
extern int inaddr_local(struct in_addr);
extern char *inet_ntoa(struct in_addr);
extern char *inet_ntoa_r(struct in_addr ina, char *buf,
size_t buflen);
extern int inet_pton(int af, const char *, void *);
#endif /* KERNEL_PRIVATE */
#endif /* KERNEL */
#endif /* XNU_PLATFORM_DriverKit */
#endif /* _NETINET_IN_PRIVATE_H_ */