/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1982, 1986, 1990, 1993
#ifndef _NETINET_IN_H_
#define _NETINET_IN_H_
#include <sys/appleapiopts.h>
+#include <sys/_types.h>
+#include <stdint.h> /* uint(8|16|32)_t */
+
+#ifndef KERNEL
+#include <Availability.h>
+#endif
+
+#include <sys/_types/_in_addr_t.h>
+
+#include <sys/_types/_in_port_t.h>
+
+/*
+ * POSIX 1003.1-2003
+ * "Inclusion of the <netinet/in.h> header may also make visible all
+ * symbols from <inttypes.h> and <sys/socket.h>".
+ */
+#include <sys/socket.h>
+
+/*
+ * The following two #includes insure htonl and family are defined
+ */
+#include <machine/endian.h>
+#include <sys/_endian.h>
/*
* Constants and structures defined by the internet system,
* Protocols (RFC 1700)
*/
#define IPPROTO_IP 0 /* dummy for IP */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#define IPPROTO_ICMP 1 /* control message protocol */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define IPPROTO_IGMP 2 /* group mgmt protocol */
#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
#define IPPROTO_IPV4 4 /* IPv4 encapsulation */
#define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#define IPPROTO_TCP 6 /* tcp */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define IPPROTO_ST 7 /* Stream protocol II */
#define IPPROTO_EGP 8 /* exterior gateway protocol */
#define IPPROTO_PIGP 9 /* private interior gateway */
#define IPPROTO_EMCON 14 /* EMCON */
#define IPPROTO_XNET 15 /* Cross Net Debugger */
#define IPPROTO_CHAOS 16 /* Chaos*/
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#define IPPROTO_UDP 17 /* user datagram protocol */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define IPPROTO_MUX 18 /* Multiplexing */
#define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */
#define IPPROTO_HMP 20 /* Host Monitoring */
#define IPPROTO_CMTP 38 /* Control Message Transport */
#define IPPROTO_TPXX 39 /* TP++ Transport */
#define IPPROTO_IL 40 /* IL transport protocol */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#define IPPROTO_IPV6 41 /* IP6 header */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define IPPROTO_SDRP 42 /* Source Demand Routing */
#define IPPROTO_ROUTING 43 /* IP6 routing header */
#define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */
#define IPPROTO_ENCAP 98 /* encapsulation header */
#define IPPROTO_APES 99 /* any private encr. scheme */
#define IPPROTO_GMTP 100 /* GMTP*/
-#define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */
/* 101-254: Partly Unassigned */
#define IPPROTO_PIM 103 /* Protocol Independent Mcast */
+#define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */
#define IPPROTO_PGM 113 /* PGM */
+#define IPPROTO_SCTP 132 /* SCTP */
/* 255: Reserved */
/* BSD Private, local use, namespace incursion */
#define IPPROTO_DIVERT 254 /* divert pseudo-protocol */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#define IPPROTO_RAW 255 /* raw IP packet */
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define IPPROTO_MAX 256
/* last return value of *_input(), meaning "all job for this pkt is done". */
#define IPPROTO_DONE 257
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
/*
* Local port number conventions:
*
*/
+#define __DARWIN_IPPORT_RESERVED 1024
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*
* Ports < IPPORT_RESERVED are reserved for
* privileged processes (e.g. root). (IP_PORTRANGE_LOW)
* Ports > IPPORT_USERRESERVED are reserved
* for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT)
*/
-#define IPPORT_RESERVED 1024
+#ifndef IPPORT_RESERVED
+#define IPPORT_RESERVED __DARWIN_IPPORT_RESERVED
+#endif
#define IPPORT_USERRESERVED 5000
/*
* have a fit if we use.
*/
#define IPPORT_RESERVEDSTART 600
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* Internet address (a structure for historical reasons)
* On subnets, the decomposition of addresses to host and net parts
* is done according to subnet mask, not the masks here.
*/
+#define INADDR_ANY (u_int32_t)0x00000000
+#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0)
#define IN_CLASSA_NET 0xff000000
#define IN_CLASSA_NSHIFT 24
#define IN_EXPERIMENTAL(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
#define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
-#define INADDR_ANY (u_int32_t)0x00000000
#define INADDR_LOOPBACK (u_int32_t)0x7f000001
-#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */
+
#ifndef KERNEL
#define INADDR_NONE 0xffffffff /* -1 return */
#endif
#define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */
#define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */
#define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */
+#define INADDR_ALLRPTS_GROUP (u_int32_t)0xe0000016 /* 224.0.0.22, IGMPv3 */
+#define INADDR_CARP_GROUP (u_int32_t)0xe0000012 /* 224.0.0.18 */
+#define INADDR_PFSYNC_GROUP (u_int32_t)0xe00000f0 /* 224.0.0.240 */
+#define INADDR_ALLMDNS_GROUP (u_int32_t)0xe00000fb /* 224.0.0.251 */
#define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */
#ifdef __APPLE__
#define IN_LINKLOCALNETNUM (u_int32_t)0xA9FE0000 /* 169.254.0.0 */
#define IN_LINKLOCAL(i) (((u_int32_t)(i) & IN_CLASSB_NET) == IN_LINKLOCALNETNUM)
+#define IN_LOOPBACK(i) (((u_int32_t)(i) & 0xff000000) == 0x7f000000)
+#define IN_ZERONET(i) (((u_int32_t)(i) & 0xff000000) == 0)
+
+#define IN_PRIVATE(i) ((((u_int32_t)(i) & 0xff000000) == 0x0a000000) || \
+ (((u_int32_t)(i) & 0xfff00000) == 0xac100000) || \
+ (((u_int32_t)(i) & 0xffff0000) == 0xc0a80000))
+
+#define IN_LOCAL_GROUP(i) (((u_int32_t)(i) & 0xffffff00) == 0xe0000000)
+
+#define IN_ANY_LOCAL(i) (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i))
#endif
#define IN_LOOPBACKNET 127 /* official! */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* Socket address, internet style.
*/
struct sockaddr_in {
- u_char sin_len;
- u_char sin_family;
- u_short sin_port;
+ __uint8_t sin_len;
+ sa_family_t sin_family;
+ in_port_t sin_port;
struct in_addr sin_addr;
- char sin_zero[8];
+ char sin_zero[8];
};
+#ifdef PRIVATE
+/*
+ * 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
+};
+
+#endif /* PRIVATE */
+
#define INET_ADDRSTRLEN 16
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*
* Structure used to describe IP options.
* Used to store options internally, to pass them to a process,
#define IP_RECVIF 20 /* bool; receive reception if w/dgram */
/* for IPSEC */
#define IP_IPSEC_POLICY 21 /* int; set/get security policy */
-#define IP_FAITH 22 /* bool; accept FAITH'ed connections */
+#define IP_FAITH 22 /* deprecated */
#ifdef __APPLE__
#define IP_STRIPHDR 23 /* bool: drop receive of raw IP header */
#endif
+#define IP_RECVTTL 24 /* bool; receive reception TTL w/dgram */
+#define IP_BOUND_IF 25 /* int; set/get bound interface */
+#define IP_PKTINFO 26 /* get pktinfo on recv socket, set src on sent dgram */
+#define IP_RECVPKTINFO IP_PKTINFO /* receive pktinfo w/dgram */
#define IP_FW_ADD 40 /* add a firewall rule to chain */
#define IP_DUMMYNET_FLUSH 62 /* flush dummynet */
#define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */
+#define IP_TRAFFIC_MGT_BACKGROUND 65 /* int*; get background IO flags; set background IO */
+#define IP_MULTICAST_IFINDEX 66 /* int*; set/get IP multicast i/f index */
+
+/* IPv4 Source Filter Multicast API [RFC3678] */
+#define IP_ADD_SOURCE_MEMBERSHIP 70 /* join a source-specific group */
+#define IP_DROP_SOURCE_MEMBERSHIP 71 /* drop a single source */
+#define IP_BLOCK_SOURCE 72 /* block a source */
+#define IP_UNBLOCK_SOURCE 73 /* unblock a source */
+
+/* The following option is private; do not use it from user applications. */
+#define IP_MSFILTER 74 /* set/get filter list */
+
+/* Protocol Independent Multicast API [RFC3678] */
+#define MCAST_JOIN_GROUP 80 /* join an any-source group */
+#define MCAST_LEAVE_GROUP 81 /* leave all sources for group */
+#define MCAST_JOIN_SOURCE_GROUP 82 /* join a source-specific group */
+#define MCAST_LEAVE_SOURCE_GROUP 83 /* leave a single source */
+#define MCAST_BLOCK_SOURCE 84 /* block a source */
+#define MCAST_UNBLOCK_SOURCE 85 /* unblock a source */
+
+#ifdef PRIVATE
+#define IP_FORCE_OUT_IFP 69 /* deprecated; use IP_BOUND_IF instead */
+#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 */
+#endif /* PRIVATE */
+
/*
* Defaults and limits for options
*/
#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */
#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
-#define IP_MAX_MEMBERSHIPS 20 /* per socket */
+
+/*
+ * The imo_membership vector for each socket is now dynamically allocated at
+ * run-time, bounded by USHRT_MAX, and is reallocated when needed, sized
+ * according to a power-of-two increment.
+ */
+#define IP_MIN_MEMBERSHIPS 31
+#define IP_MAX_MEMBERSHIPS 4095
+
+/*
+ * Default resource limits for IPv4 multicast source filtering.
+ * These may be modified by sysctl.
+ */
+#define IP_MAX_GROUP_SRC_FILTER 512 /* sources per group */
+#define IP_MAX_SOCK_SRC_FILTER 128 /* sources per socket/group */
+#define IP_MAX_SOCK_MUTE_FILTER 128 /* XXX no longer used */
/*
* Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
struct in_addr imr_interface; /* local IP address of interface */
};
+/*
+ * Modified argument structure for IP_MULTICAST_IF, obtained from Linux.
+ * This is used to specify an interface index for multicast sends, as
+ * the IPv4 legacy APIs do not support this (unless IP_SENDIF is available).
+ */
+struct ip_mreqn {
+ struct in_addr imr_multiaddr; /* IP multicast address of group */
+ struct in_addr imr_address; /* local IP address of interface */
+ int imr_ifindex; /* Interface index; cast to uint32_t */
+};
+
+#pragma pack(4)
+/*
+ * Argument structure for IPv4 Multicast Source Filter APIs. [RFC3678]
+ */
+struct ip_mreq_source {
+ struct in_addr imr_multiaddr; /* IP multicast address of group */
+ struct in_addr imr_sourceaddr; /* IP address of source */
+ struct in_addr imr_interface; /* local IP address of interface */
+};
+
+/*
+ * Argument structures for Protocol-Independent Multicast Source
+ * Filter APIs. [RFC3678]
+ */
+struct group_req {
+ uint32_t gr_interface; /* interface index */
+ struct sockaddr_storage gr_group; /* group address */
+};
+
+struct group_source_req {
+ uint32_t gsr_interface; /* interface index */
+ struct sockaddr_storage gsr_group; /* group address */
+ struct sockaddr_storage gsr_source; /* source address */
+};
+
+#ifndef __MSFILTERREQ_DEFINED
+#define __MSFILTERREQ_DEFINED
+/*
+ * The following structure is private; do not use it from user applications.
+ * It is used to communicate IP_MSFILTER/IPV6_MSFILTER information between
+ * the RFC 3678 libc functions and the kernel.
+ */
+struct __msfilterreq {
+ uint32_t msfr_ifindex; /* interface index */
+ uint32_t msfr_fmode; /* filter mode for group */
+ uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */
+ uint32_t __msfr_align;
+ struct sockaddr_storage msfr_group; /* group address */
+ struct sockaddr_storage *msfr_srcs;
+};
+
+#ifdef BSD_KERNEL_PRIVATE
+struct __msfilterreq32 {
+ uint32_t msfr_ifindex; /* interface index */
+ uint32_t msfr_fmode; /* filter mode for group */
+ uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */
+ uint32_t __msfr_align;
+ struct sockaddr_storage msfr_group; /* group address */
+ user32_addr_t msfr_srcs;
+};
+
+struct __msfilterreq64 {
+ uint32_t msfr_ifindex; /* interface index */
+ uint32_t msfr_fmode; /* filter mode for group */
+ uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */
+ uint32_t __msfr_align;
+ struct sockaddr_storage msfr_group; /* group address */
+ user64_addr_t msfr_srcs;
+};
+#endif /* BSD_KERNEL_PRIVATE */
+#endif /* __MSFILTERREQ_DEFINED */
+
+#pragma pack()
+struct sockaddr;
+
+#ifndef KERNEL
+/*
+ * Advanced (Full-state) APIs [RFC3678]
+ * The RFC specifies uint_t for the 6th argument to [sg]etsourcefilter().
+ * We use uint32_t here to be consistent.
+ */
+int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t,
+ uint32_t, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *,
+ uint32_t *, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,
+ uint32_t, uint32_t, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,
+ uint32_t *, uint32_t *, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+#endif
+
+/*
+ * Filter modes; also used to represent per-socket filter mode internally.
+ */
+#define MCAST_UNDEFINED 0 /* fmode: not yet defined */
+#define MCAST_INCLUDE 1 /* fmode: include these source(s) */
+#define MCAST_EXCLUDE 2 /* fmode: exclude these source(s) */
+
/*
* Argument for IP_PORTRANGE:
* - which range to search when port is unspecified at bind() or connect()
#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */
#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */
+
+/*
+ * IP_PKTINFO: Packet information (equivalent to RFC2292 sec 5 for IPv4)
+ * This structure is used for
+ *
+ * 1) Receiving ancilliary data about the datagram if IP_PKTINFO sockopt is
+ * set on the socket. In this case ipi_ifindex will contain the interface
+ * index the datagram was received on, ipi_addr is the IP address the
+ * datagram was received to.
+ *
+ * 2) Sending a datagram using a specific interface or IP source address.
+ * if ipi_ifindex is set to non-zero when in_pktinfo is passed as
+ * ancilliary data of type IP_PKTINFO, this will be used as the source
+ * interface to send the datagram from. If ipi_ifindex is null, ip_spec_dst
+ * will be used for the source address.
+ *
+ * Note: if IP_BOUND_IF is set on the socket, ipi_ifindex in the ancillary
+ * IP_PKTINFO option silently overrides the bound interface when it is
+ * specified during send time.
+ */
+struct in_pktinfo {
+ unsigned int ipi_ifindex; /* send/recv interface index */
+ struct in_addr ipi_spec_dst; /* Local address */
+ struct in_addr ipi_addr; /* IP Header dst address */
+};
+
/*
* Definitions for inet sysctl operations.
*
*/
#define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */
+#ifdef BSD_KERNEL_PRIVATE
#define CTL_IPPROTO_NAMES { \
{ "ip", CTLTYPE_NODE }, \
{ "icmp", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ "ipsec", CTLTYPE_NODE }, \
}
+#endif /* BSD_KERNEL_PRIVATE */
/*
* Names for IP sysctl objects
#define IPCTL_STATS 12 /* ipstat structure */
#define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */
#define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */
-#define IPCTL_KEEPFAITH 15 /* FAITH IPv4->IPv6 translater ctl */
+#define IPCTL_KEEPFAITH 15 /* deprecated */
#define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */
#define IPCTL_MAXID 17
+#ifdef BSD_KERNEL_PRIVATE
+
#define IPCTL_NAMES { \
{ 0, 0 }, \
{ "forwarding", 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_H_INCLUDED_
#include <netinet6/in6.h>
#undef __KAME_NETINET_IN_H_INCLUDED_
+#ifdef PRIVATE
+/*
+ * 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_in sin;
+ struct sockaddr_in6 sin6;
+};
+#endif /* PRIVATE */
+
#ifdef KERNEL
-#ifdef __APPLE_API_PRIVATE
-struct ifnet; struct mbuf; /* forward declarations for Standard C */
-
-int in_broadcast __P((struct in_addr, struct ifnet *));
-int in_canforward __P((struct in_addr));
-int in_cksum __P((struct mbuf *, int));
-int in_cksum_skip __P((struct mbuf *, u_short, u_short));
-u_short in_addword __P((u_short, u_short));
-u_short in_pseudo __P((u_int, u_int, u_int));
-int in_localaddr __P((struct in_addr));
-char *inet_ntoa __P((struct in_addr)); /* in libkern */
-u_long in_netof __P((struct in_addr));
-#endif /* __APPLE_API_PRIVATE */
+#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 uint16_t inet_cksum(struct mbuf *, uint32_t, uint32_t, uint32_t);
+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 uint32_t in_finalize_cksum(struct mbuf *, uint32_t, uint32_t);
+extern uint16_t b_sum16(const void *buf, int len);
+
+#define in_cksum(_m, _l) \
+ inet_cksum(_m, 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))
+#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 */
+
+#define MAX_IPv4_STR_LEN 16
+#define MAX_IPv6_STR_LEN 64
+
+extern int inet_aton(const char *, struct in_addr *); /* in libkern */
+extern const char *inet_ntop(int, const void *, char *, socklen_t); /* in libkern*/
#endif /* KERNEL */
+#ifndef KERNEL
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+__BEGIN_DECLS
+int bindresvport(int, struct sockaddr_in *);
+struct sockaddr;
+int bindresvport_sa(int, struct sockaddr *);
+__END_DECLS
#endif
+#endif /* !KERNEL */
+#endif /* _NETINET_IN_H_ */
projects / apple / xnu.git / blobdiff