xnu-7195.81.3.tar.gz

[apple/xnu.git] / bsd / netinet / in.h

diff --git a/bsd/netinet/in.h b/bsd/netinet/in.h
index f57b76805cd9cb761d4b548acda60e41bf4ff977..dc391afe528a93b38c8bd01b14e1eff48da7a682 100644 (file)
--- a/bsd/netinet/in.h
+++ b/bsd/netinet/in.h
@@ -1,8 +1,8 @@
 /*
 /*

- * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
  * @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
  * 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


@@ -11,10 +11,10 @@
  * 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.
  * 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.
  * 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,
  * 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,


@@ -22,7 +22,7 @@
  * 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.
  * 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@
  */
 /*
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*


@@ -63,24 +63,31 @@
 
 #ifndef _NETINET_IN_H_
 #define _NETINET_IN_H_
 
 #ifndef _NETINET_IN_H_
 #define _NETINET_IN_H_

+
+#ifndef DRIVERKIT

 #include <sys/appleapiopts.h>
 #include <sys/appleapiopts.h>

-#include <sys/_types.h>
-#include <stdint.h>            /* uint(8|16|32)_t */
+#include <stdint.h>             /* uint(8|16|32)_t */

 
 #ifndef KERNEL
 #include <Availability.h>
 #endif
 
 
 #ifndef KERNEL
 #include <Availability.h>
 #endif
 

-#include <sys/_types/_in_addr_t.h>
+#else
+#include <sys/_types.h>
+#include <sys/_types/_sa_family_t.h>
+#endif /* DRIVERKIT */

 
 

+#include <sys/_types/_in_addr_t.h>

 #include <sys/_types/_in_port_t.h>
 
 #include <sys/_types/_in_port_t.h>
 

+#ifndef DRIVERKIT

 /*
  * 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>
 /*
  * 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>

+#endif /* DRIVERKIT */

 
 /*
  * The following two #includes insure htonl and family are defined
 
 /*
  * The following two #includes insure htonl and family are defined


@@ -96,131 +103,134 @@
 /*
  * Protocols (RFC 1700)
  */
 /*
  * Protocols (RFC 1700)
  */

-#define        IPPROTO_IP              0               /* dummy for IP */
+#define IPPROTO_IP              0               /* dummy for IP */

 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #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 */
+#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)
 #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 */
+#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)
 #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_RCCMON          10              /* BBN RCC Monitoring */
-#define        IPPROTO_NVPII           11              /* network voice protocol*/
-#define        IPPROTO_PUP             12              /* pup */
-#define        IPPROTO_ARGUS           13              /* Argus */
-#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 */
+#define IPPROTO_ST              7               /* Stream protocol II */
+#define IPPROTO_EGP             8               /* exterior gateway protocol */
+#define IPPROTO_PIGP            9               /* private interior gateway */
+#define IPPROTO_RCCMON          10              /* BBN RCC Monitoring */
+#define IPPROTO_NVPII           11              /* network voice protocol*/
+#define IPPROTO_PUP             12              /* pup */
+#define IPPROTO_ARGUS           13              /* Argus */
+#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)
 #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_PRM             21              /* Packet Radio Measurement */
-#define        IPPROTO_IDP             22              /* xns idp */
-#define        IPPROTO_TRUNK1          23              /* Trunk-1 */
-#define        IPPROTO_TRUNK2          24              /* Trunk-2 */
-#define        IPPROTO_LEAF1           25              /* Leaf-1 */
-#define        IPPROTO_LEAF2           26              /* Leaf-2 */
-#define        IPPROTO_RDP             27              /* Reliable Data */
-#define        IPPROTO_IRTP            28              /* Reliable Transaction */
-#define        IPPROTO_TP              29              /* tp-4 w/ class negotiation */
-#define        IPPROTO_BLT             30              /* Bulk Data Transfer */
-#define        IPPROTO_NSP             31              /* Network Services */
-#define        IPPROTO_INP             32              /* Merit Internodal */
-#define        IPPROTO_SEP             33              /* Sequential Exchange */
-#define        IPPROTO_3PC             34              /* Third Party Connect */
-#define        IPPROTO_IDPR            35              /* InterDomain Policy Routing */
-#define        IPPROTO_XTP             36              /* XTP */
-#define        IPPROTO_DDP             37              /* Datagram Delivery */
-#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 */
+#define IPPROTO_MUX             18              /* Multiplexing */
+#define IPPROTO_MEAS            19              /* DCN Measurement Subsystems */
+#define IPPROTO_HMP             20              /* Host Monitoring */
+#define IPPROTO_PRM             21              /* Packet Radio Measurement */
+#define IPPROTO_IDP             22              /* xns idp */
+#define IPPROTO_TRUNK1          23              /* Trunk-1 */
+#define IPPROTO_TRUNK2          24              /* Trunk-2 */
+#define IPPROTO_LEAF1           25              /* Leaf-1 */
+#define IPPROTO_LEAF2           26              /* Leaf-2 */
+#define IPPROTO_RDP             27              /* Reliable Data */
+#define IPPROTO_IRTP            28              /* Reliable Transaction */
+#define IPPROTO_TP              29              /* tp-4 w/ class negotiation */
+#define IPPROTO_BLT             30              /* Bulk Data Transfer */
+#define IPPROTO_NSP             31              /* Network Services */
+#define IPPROTO_INP             32              /* Merit Internodal */
+#define IPPROTO_SEP             33              /* Sequential Exchange */
+#define IPPROTO_3PC             34              /* Third Party Connect */
+#define IPPROTO_IDPR            35              /* InterDomain Policy Routing */
+#define IPPROTO_XTP             36              /* XTP */
+#define IPPROTO_DDP             37              /* Datagram Delivery */
+#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)
 #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_IDRP            45              /* InterDomain Routing*/
-#define        IPPROTO_RSVP            46              /* resource reservation */
-#define        IPPROTO_GRE             47              /* General Routing Encap. */
-#define        IPPROTO_MHRP            48              /* Mobile Host Routing */
-#define        IPPROTO_BHA             49              /* BHA */
-#define        IPPROTO_ESP             50              /* IP6 Encap Sec. Payload */
-#define        IPPROTO_AH              51              /* IP6 Auth Header */
-#define        IPPROTO_INLSP           52              /* Integ. Net Layer Security */
-#define        IPPROTO_SWIPE           53              /* IP with encryption */
-#define        IPPROTO_NHRP            54              /* Next Hop Resolution */
+#define IPPROTO_SDRP            42              /* Source Demand Routing */
+#define         IPPROTO_ROUTING 43              /* IP6 routing header */
+#define         IPPROTO_FRAGMENT        44              /* IP6 fragmentation header */
+#define IPPROTO_IDRP            45              /* InterDomain Routing*/
+#define         IPPROTO_RSVP            46              /* resource reservation */
+#define IPPROTO_GRE             47              /* General Routing Encap. */
+#define IPPROTO_MHRP            48              /* Mobile Host Routing */
+#define IPPROTO_BHA             49              /* BHA */
+#define IPPROTO_ESP             50              /* IP6 Encap Sec. Payload */
+#define IPPROTO_AH              51              /* IP6 Auth Header */
+#define IPPROTO_INLSP           52              /* Integ. Net Layer Security */
+#define IPPROTO_SWIPE           53              /* IP with encryption */
+#define IPPROTO_NHRP            54              /* Next Hop Resolution */

 /* 55-57: Unassigned */
 /* 55-57: Unassigned */

-#define        IPPROTO_ICMPV6  58              /* ICMP6 */
-#define        IPPROTO_NONE            59              /* IP6 no next header */
-#define        IPPROTO_DSTOPTS 60              /* IP6 destination option */
-#define        IPPROTO_AHIP            61              /* any host internal protocol */
-#define        IPPROTO_CFTP            62              /* CFTP */
-#define        IPPROTO_HELLO           63              /* "hello" routing protocol */
-#define        IPPROTO_SATEXPAK        64              /* SATNET/Backroom EXPAK */
-#define        IPPROTO_KRYPTOLAN       65              /* Kryptolan */
-#define        IPPROTO_RVD             66              /* Remote Virtual Disk */
-#define        IPPROTO_IPPC            67              /* Pluribus Packet Core */
-#define        IPPROTO_ADFS            68              /* Any distributed FS */
-#define        IPPROTO_SATMON          69              /* Satnet Monitoring */
-#define        IPPROTO_VISA            70              /* VISA Protocol */
-#define        IPPROTO_IPCV            71              /* Packet Core Utility */
-#define        IPPROTO_CPNX            72              /* Comp. Prot. Net. Executive */
-#define        IPPROTO_CPHB            73              /* Comp. Prot. HeartBeat */
-#define        IPPROTO_WSN             74              /* Wang Span Network */
-#define        IPPROTO_PVP             75              /* Packet Video Protocol */
-#define        IPPROTO_BRSATMON        76              /* BackRoom SATNET Monitoring */
-#define        IPPROTO_ND              77              /* Sun net disk proto (temp.) */
-#define        IPPROTO_WBMON           78              /* WIDEBAND Monitoring */
-#define        IPPROTO_WBEXPAK         79              /* WIDEBAND EXPAK */
-#define        IPPROTO_EON             80              /* ISO cnlp */
-#define        IPPROTO_VMTP            81              /* VMTP */
-#define        IPPROTO_SVMTP           82              /* Secure VMTP */
-#define        IPPROTO_VINES           83              /* Banyon VINES */
-#define        IPPROTO_TTP             84              /* TTP */
-#define        IPPROTO_IGP             85              /* NSFNET-IGP */
-#define        IPPROTO_DGP             86              /* dissimilar gateway prot. */
-#define        IPPROTO_TCF             87              /* TCF */
-#define        IPPROTO_IGRP            88              /* Cisco/GXS IGRP */
-#define        IPPROTO_OSPFIGP         89              /* OSPFIGP */
-#define        IPPROTO_SRPC            90              /* Strite RPC protocol */
-#define        IPPROTO_LARP            91              /* Locus Address Resoloution */
-#define        IPPROTO_MTP             92              /* Multicast Transport */
-#define        IPPROTO_AX25            93              /* AX.25 Frames */
-#define        IPPROTO_IPEIP           94              /* IP encapsulated in IP */
-#define        IPPROTO_MICP            95              /* Mobile Int.ing control */
-#define        IPPROTO_SCCSP           96              /* Semaphore Comm. security */
-#define        IPPROTO_ETHERIP         97              /* Ethernet IP encapsulation */
-#define        IPPROTO_ENCAP           98              /* encapsulation header */
-#define        IPPROTO_APES            99              /* any private encr. scheme */
-#define        IPPROTO_GMTP            100             /* GMTP*/
-/* 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 */
+#define IPPROTO_ICMPV6          58              /* ICMP6 */
+#define IPPROTO_NONE            59              /* IP6 no next header */
+#define IPPROTO_DSTOPTS         60              /* IP6 destination option */
+#define IPPROTO_AHIP            61              /* any host internal protocol */
+#define IPPROTO_CFTP            62              /* CFTP */
+#define IPPROTO_HELLO           63              /* "hello" routing protocol */
+#define IPPROTO_SATEXPAK        64              /* SATNET/Backroom EXPAK */
+#define IPPROTO_KRYPTOLAN       65              /* Kryptolan */
+#define IPPROTO_RVD             66              /* Remote Virtual Disk */
+#define IPPROTO_IPPC            67              /* Pluribus Packet Core */
+#define IPPROTO_ADFS            68              /* Any distributed FS */
+#define IPPROTO_SATMON          69              /* Satnet Monitoring */
+#define IPPROTO_VISA            70              /* VISA Protocol */
+#define IPPROTO_IPCV            71              /* Packet Core Utility */
+#define IPPROTO_CPNX            72              /* Comp. Prot. Net. Executive */
+#define IPPROTO_CPHB            73              /* Comp. Prot. HeartBeat */
+#define IPPROTO_WSN             74              /* Wang Span Network */
+#define IPPROTO_PVP             75              /* Packet Video Protocol */
+#define IPPROTO_BRSATMON        76              /* BackRoom SATNET Monitoring */
+#define IPPROTO_ND              77              /* Sun net disk proto (temp.) */
+#define IPPROTO_WBMON           78              /* WIDEBAND Monitoring */
+#define IPPROTO_WBEXPAK         79              /* WIDEBAND EXPAK */
+#define IPPROTO_EON             80              /* ISO cnlp */
+#define IPPROTO_VMTP            81              /* VMTP */
+#define IPPROTO_SVMTP           82              /* Secure VMTP */
+#define IPPROTO_VINES           83              /* Banyon VINES */
+#define IPPROTO_TTP             84              /* TTP */
+#define IPPROTO_IGP             85              /* NSFNET-IGP */
+#define IPPROTO_DGP             86              /* dissimilar gateway prot. */
+#define IPPROTO_TCF             87              /* TCF */
+#define IPPROTO_IGRP            88              /* Cisco/GXS IGRP */
+#define IPPROTO_OSPFIGP         89              /* OSPFIGP */
+#define IPPROTO_SRPC            90              /* Strite RPC protocol */
+#define IPPROTO_LARP            91              /* Locus Address Resoloution */
+#define IPPROTO_MTP             92              /* Multicast Transport */
+#define IPPROTO_AX25            93              /* AX.25 Frames */
+#define IPPROTO_IPEIP           94              /* IP encapsulated in IP */
+#define IPPROTO_MICP            95              /* Mobile Int.ing control */
+#define IPPROTO_SCCSP           96              /* Semaphore Comm. security */
+#define IPPROTO_ETHERIP         97              /* Ethernet IP encapsulation */
+#define IPPROTO_ENCAP           98              /* encapsulation header */
+#define IPPROTO_APES            99              /* any private encr. scheme */
+#define IPPROTO_GMTP            100             /* GMTP*/
+/* 101-252: 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 */
+/* 253-254: Experimentation and testing; 255: Reserved (RFC3692) */

 /* BSD Private, local use, namespace incursion */
 /* 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 */
+#ifdef PRIVATE
+#define IPPROTO_QUIC            253             /* QUIC protocol (Over UDP) */
+#endif /* PRIVATE */
+#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)
 
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)

-#define        IPPROTO_MAX             256
+#define IPPROTO_MAX             256

 
 /* last return value of *_input(), meaning "all job for this pkt is done".  */
 
 /* last return value of *_input(), meaning "all job for this pkt is done".  */

-#define        IPPROTO_DONE            257
+#define IPPROTO_DONE            257

 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
 
 /*
 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
 
 /*


@@ -268,7 +278,7 @@
  *
  */
 
  *
  */
 

-#define        __DARWIN_IPPORT_RESERVED        1024
+#define __DARWIN_IPPORT_RESERVED        1024

 
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 /*
 
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 /*


@@ -278,15 +288,15 @@
  * for servers, not necessarily privileged.  (IP_PORTRANGE_DEFAULT)
  */
 #ifndef IPPORT_RESERVED
  * for servers, not necessarily privileged.  (IP_PORTRANGE_DEFAULT)
  */
 #ifndef IPPORT_RESERVED

-#define        IPPORT_RESERVED         __DARWIN_IPPORT_RESERVED
+#define IPPORT_RESERVED         __DARWIN_IPPORT_RESERVED

 #endif
 #endif

-#define        IPPORT_USERRESERVED     5000
+#define IPPORT_USERRESERVED     5000

 
 /*
  * Default local port range to use by setting IP_PORTRANGE_HIGH
  */
 
 /*
  * Default local port range to use by setting IP_PORTRANGE_HIGH
  */

-#define        IPPORT_HIFIRSTAUTO      49152
-#define        IPPORT_HILASTAUTO       65535
+#define IPPORT_HIFIRSTAUTO      49152
+#define IPPORT_HILASTAUTO       65535

 
 /*
  * Scanning for a free reserved port return a value below IPPORT_RESERVED,
 
 /*
  * Scanning for a free reserved port return a value below IPPORT_RESERVED,


@@ -294,8 +304,8 @@
  * 512, but that conflicts with some well-known-services that firewalls may
  * have a fit if we use.
  */
  * 512, but that conflicts with some well-known-services that firewalls may
  * have a fit if we use.
  */

-#define IPPORT_RESERVEDSTART   600
-#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#define IPPORT_RESERVEDSTART    600
+#endif  /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 /*
  * Internet address (a structure for historical reasons)
 
 /*
  * Internet address (a structure for historical reasons)


@@ -309,80 +319,93 @@ struct in_addr {
  * On subnets, the decomposition of addresses to host and net parts
  * is done according to subnet mask, not the masks here.
  */
  * 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 */
+#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)
 
 #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_CLASSA_HOST          0x00ffffff
-#define        IN_CLASSA_MAX           128
-
-#define        IN_CLASSB(i)            (((u_int32_t)(i) & 0xc0000000) == 0x80000000)
-#define        IN_CLASSB_NET           0xffff0000
-#define        IN_CLASSB_NSHIFT        16
-#define        IN_CLASSB_HOST          0x0000ffff
-#define        IN_CLASSB_MAX           65536
-
-#define        IN_CLASSC(i)            (((u_int32_t)(i) & 0xe0000000) == 0xc0000000)
-#define        IN_CLASSC_NET           0xffffff00
-#define        IN_CLASSC_NSHIFT        8
-#define        IN_CLASSC_HOST          0x000000ff
-
-#define        IN_CLASSD(i)            (((u_int32_t)(i) & 0xf0000000) == 0xe0000000)
-#define        IN_CLASSD_NET           0xf0000000      /* These ones aren't really */
-#define        IN_CLASSD_NSHIFT        28              /* net and host fields, but */
-#define        IN_CLASSD_HOST          0x0fffffff      /* routing needn't know.    */
-#define        IN_MULTICAST(i)         IN_CLASSD(i)
-
-#define        IN_EXPERIMENTAL(i)      (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
-#define        IN_BADCLASS(i)          (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
-
-#define        INADDR_LOOPBACK         (u_int32_t)0x7f000001
+#define IN_CLASSA(i)            (((u_int32_t)(i) & 0x80000000) == 0)
+#define IN_CLASSA_NET           0xff000000
+#define IN_CLASSA_NSHIFT        24
+#define IN_CLASSA_HOST          0x00ffffff
+#define IN_CLASSA_MAX           128
+
+#define IN_CLASSB(i)            (((u_int32_t)(i) & 0xc0000000) == 0x80000000)
+#define IN_CLASSB_NET           0xffff0000
+#define IN_CLASSB_NSHIFT        16
+#define IN_CLASSB_HOST          0x0000ffff
+#define IN_CLASSB_MAX           65536
+
+#define IN_CLASSC(i)            (((u_int32_t)(i) & 0xe0000000) == 0xc0000000)
+#define IN_CLASSC_NET           0xffffff00
+#define IN_CLASSC_NSHIFT        8
+#define IN_CLASSC_HOST          0x000000ff
+
+#define IN_CLASSD(i)            (((u_int32_t)(i) & 0xf0000000) == 0xe0000000)
+#define IN_CLASSD_NET           0xf0000000      /* These ones aren't really */
+#define IN_CLASSD_NSHIFT        28              /* net and host fields, but */
+#define IN_CLASSD_HOST          0x0fffffff      /* routing needn't know.    */
+#define IN_MULTICAST(i)         IN_CLASSD(i)
+
+#define IN_EXPERIMENTAL(i)      (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
+#define IN_BADCLASS(i)          (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
+
+#define INADDR_LOOPBACK         (u_int32_t)0x7f000001

 
 #ifndef KERNEL
 
 #ifndef KERNEL

-#define        INADDR_NONE             0xffffffff              /* -1 return */
+#define INADDR_NONE             0xffffffff              /* -1 return */

 #endif
 
 #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 */
+#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__
 
 #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))
+#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))
+
+#ifdef PRIVATE
+#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
 
 #endif
 

-#define        IN_LOOPBACKNET          127                     /* official! */
-#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#define IN_LOCAL_GROUP(i)       (((u_int32_t)(i) & 0xffffff00) == 0xe0000000)
+
+#define IN_ANY_LOCAL(i)         (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i))
+#endif /* __APPLE__ */
+
+#define IN_LOOPBACKNET          127                     /* official! */
+#endif  /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 /*
  * Socket address, internet style.
  */
 struct sockaddr_in {
 
 /*
  * Socket address, internet style.
  */
 struct sockaddr_in {

-       __uint8_t       sin_len;
-       sa_family_t     sin_family;
-       in_port_t       sin_port;
-       struct  in_addr sin_addr;
-       char            sin_zero[8];
+       __uint8_t       sin_len;
+       sa_family_t     sin_family;
+       in_port_t       sin_port;
+       struct  in_addr sin_addr;
+       char            sin_zero[8];

 };
 
 };
 

+#define IN_ARE_ADDR_EQUAL(a, b) \
+    (bcmp(&(a)->s_addr, &(b)->s_addr, \
+       sizeof (struct in_addr)) == 0)
+

 #ifdef PRIVATE
 /*
  * sockaddr_in with scope ID field; this is used internally to keep
 #ifdef PRIVATE
 /*
  * sockaddr_in with scope ID field; this is used internally to keep


@@ -391,10 +414,10 @@ struct sockaddr_in {
  * current implementation which could change in future.
  */
 struct sockaddr_inifscope {
  * 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;
+       __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
        /*
         * To avoid possible conflict with an overlaid sockaddr_inarp
         * having sin_other set to SIN_PROXY, we use the first 4-bytes


@@ -402,12 +425,12 @@ struct sockaddr_inifscope {
         * in sockaddr_inarp.
         */
        union {
         * in sockaddr_inarp.
         */
        union {

-               char    sin_zero[8];
+               char    sin_zero[8];

                struct {
                struct {

-                       __uint32_t      ifscope;
+                       __uint32_t      ifscope;

                } _in_index;
        } un;
                } _in_index;
        } un;

-#define        sin_scope_id    un._in_index.ifscope
+#define sin_scope_id    un._in_index.ifscope

 };
 
 #endif /* PRIVATE */
 };
 
 #endif /* PRIVATE */


@@ -423,122 +446,123 @@ struct sockaddr_inifscope {
  * (this gets put into the header proper).
  */
 struct ip_opts {
  * (this gets put into the header proper).
  */
 struct ip_opts {

-       struct  in_addr ip_dst;         /* first hop, 0 w/o src rt */
-       char    ip_opts[40];            /* actually variable in size */
+       struct  in_addr ip_dst;         /* first hop, 0 w/o src rt */
+       char    ip_opts[40];            /* actually variable in size */

 };
 
 /*
  * Options for use with [gs]etsockopt at the IP level.
  * First word of comment is data type; bool is stored in int.
  */
 };
 
 /*
  * Options for use with [gs]etsockopt at the IP level.
  * First word of comment is data type; bool is stored in int.
  */

-#define        IP_OPTIONS              1    /* buf/ip_opts; set/get IP options */
-#define        IP_HDRINCL              2    /* int; header is included with data */
-#define        IP_TOS                  3    /* int; IP type of service and preced. */
-#define        IP_TTL                  4    /* int; IP time to live */
-#define        IP_RECVOPTS             5    /* bool; receive all IP opts w/dgram */
-#define        IP_RECVRETOPTS          6    /* bool; receive IP opts for response */
-#define        IP_RECVDSTADDR          7    /* bool; receive IP dst addr w/dgram */
-#define        IP_RETOPTS              8    /* ip_opts; set/get IP options */
-#define        IP_MULTICAST_IF         9    /* u_char; set/get IP multicast i/f  */
-#define        IP_MULTICAST_TTL        10   /* u_char; set/get IP multicast ttl */
-#define        IP_MULTICAST_LOOP       11   /* u_char; set/get IP multicast loopback */
-#define        IP_ADD_MEMBERSHIP       12   /* ip_mreq; add an IP group membership */
-#define        IP_DROP_MEMBERSHIP      13   /* ip_mreq; drop an IP group membership */
-#define IP_MULTICAST_VIF       14   /* set/get IP mcast virt. iface */
-#define IP_RSVP_ON             15   /* enable RSVP in kernel */
-#define IP_RSVP_OFF            16   /* disable RSVP in kernel */
-#define IP_RSVP_VIF_ON         17   /* set RSVP per-vif socket */
-#define IP_RSVP_VIF_OFF                18   /* unset RSVP per-vif socket */
-#define IP_PORTRANGE           19   /* int; range to choose for unspec port */
-#define        IP_RECVIF               20   /* bool; receive reception if w/dgram */
+#define IP_OPTIONS              1    /* buf/ip_opts; set/get IP options */
+#define IP_HDRINCL              2    /* int; header is included with data */
+#define IP_TOS                  3    /* int; IP type of service and preced. */
+#define IP_TTL                  4    /* int; IP time to live */
+#define IP_RECVOPTS             5    /* bool; receive all IP opts w/dgram */
+#define IP_RECVRETOPTS          6    /* bool; receive IP opts for response */
+#define IP_RECVDSTADDR          7    /* bool; receive IP dst addr w/dgram */
+#define IP_RETOPTS              8    /* ip_opts; set/get IP options */
+#define IP_MULTICAST_IF         9    /* u_char; set/get IP multicast i/f  */
+#define IP_MULTICAST_TTL        10   /* u_char; set/get IP multicast ttl */
+#define IP_MULTICAST_LOOP       11   /* u_char; set/get IP multicast loopback */
+#define IP_ADD_MEMBERSHIP       12   /* ip_mreq; add an IP group membership */
+#define IP_DROP_MEMBERSHIP      13   /* ip_mreq; drop an IP group membership */
+#define IP_MULTICAST_VIF        14   /* set/get IP mcast virt. iface */
+#define IP_RSVP_ON              15   /* enable RSVP in kernel */
+#define IP_RSVP_OFF             16   /* disable RSVP in kernel */
+#define IP_RSVP_VIF_ON          17   /* set RSVP per-vif socket */
+#define IP_RSVP_VIF_OFF         18   /* unset RSVP per-vif socket */
+#define IP_PORTRANGE            19   /* int; range to choose for unspec port */
+#define IP_RECVIF               20   /* bool; receive reception if w/dgram */

 /* for IPSEC */
 /* for IPSEC */

-#define        IP_IPSEC_POLICY         21   /* int; set/get security policy */
-#define        IP_FAITH                22   /* deprecated */
+#define IP_IPSEC_POLICY         21   /* int; set/get security policy */
+#define IP_FAITH                22   /* deprecated */

 #ifdef __APPLE__
 #ifdef __APPLE__

-#define IP_STRIPHDR            23   /* bool: drop receive of raw IP header */
+#define IP_STRIPHDR             23   /* bool: drop receive of raw IP header */

 #endif
 #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_FW_DEL               41   /* delete a firewall rule from chain */
-#define        IP_FW_FLUSH             42   /* flush firewall rule chain */
-#define        IP_FW_ZERO              43   /* clear single/all firewall counter(s) */
-#define        IP_FW_GET               44   /* get entire firewall rule chain */
-#define        IP_FW_RESETLOG          45   /* reset logging counters */
+#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_RECVTOS              27   /* bool; receive IP TOS w/dgram */
+#define IP_DONTFRAG             28   /* don't fragment packet */
+
+#define IP_FW_ADD               40   /* add a firewall rule to chain */
+#define IP_FW_DEL               41   /* delete a firewall rule from chain */
+#define IP_FW_FLUSH             42   /* flush firewall rule chain */
+#define IP_FW_ZERO              43   /* clear single/all firewall counter(s) */
+#define IP_FW_GET               44   /* get entire firewall rule chain */
+#define IP_FW_RESETLOG          45   /* reset logging counters */

 
 /* These older firewall socket option codes are maintained for backward compatibility. */
 
 /* These older firewall socket option codes are maintained for backward compatibility. */

-#define        IP_OLD_FW_ADD           50   /* add a firewall rule to chain */
-#define        IP_OLD_FW_DEL           51   /* delete a firewall rule from chain */
-#define        IP_OLD_FW_FLUSH         52   /* flush firewall rule chain */
-#define        IP_OLD_FW_ZERO          53   /* clear single/all firewall counter(s) */
-#define        IP_OLD_FW_GET           54   /* get entire firewall rule chain */
-#define IP_NAT__XXX                    55   /* set/get NAT opts XXX Deprecated, do not use */
-#define        IP_OLD_FW_RESETLOG      56   /* reset logging counters */
-
-#define        IP_DUMMYNET_CONFIGURE   60   /* add/configure a dummynet pipe */
-#define        IP_DUMMYNET_DEL         61   /* delete a dummynet pipe from 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 */
+#define IP_OLD_FW_ADD           50   /* add a firewall rule to chain */
+#define IP_OLD_FW_DEL           51   /* delete a firewall rule from chain */
+#define IP_OLD_FW_FLUSH         52   /* flush firewall rule chain */
+#define IP_OLD_FW_ZERO          53   /* clear single/all firewall counter(s) */
+#define IP_OLD_FW_GET           54   /* get entire firewall rule chain */
+#define IP_NAT__XXX                     55   /* set/get NAT opts XXX Deprecated, do not use */
+#define IP_OLD_FW_RESETLOG      56   /* reset logging counters */
+
+#define IP_DUMMYNET_CONFIGURE   60   /* add/configure a dummynet pipe */
+#define IP_DUMMYNET_DEL         61   /* delete a dummynet pipe from 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] */
 
 /* 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 */
+#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. */
 
 /* The following option is private; do not use it from user applications. */

-#define        IP_MSFILTER                     74   /* set/get filter list */
+#define IP_MSFILTER                     74   /* set/get filter list */

 
 /* Protocol Independent Multicast API [RFC3678] */
 
 /* 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 */
+#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
 
 #ifdef PRIVATE

-#define        IP_FORCE_OUT_IFP        69   /* not implemented; 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 */
+#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
  */
 #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_DEFAULT_MULTICAST_TTL  1     /* normally limit m'casts to 1 hop  */
+#define IP_DEFAULT_MULTICAST_LOOP 1     /* normally hear sends if a member  */

 
 /*
  * 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.
  */
 
 /*
  * 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
+#define IP_MIN_MEMBERSHIPS      31
+#define IP_MAX_MEMBERSHIPS      4095

 
 /*
  * Default resource limits for IPv4 multicast source filtering.
  * These may be modified by sysctl.
  */
 
 /*
  * 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 */
+#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 */

 
 

+#ifndef PLATFORM_DriverKit

 /*
  * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
  */
 struct ip_mreq {
 /*
  * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
  */
 struct ip_mreq {

-       struct  in_addr imr_multiaddr;  /* IP multicast address of group */
-       struct  in_addr imr_interface;  /* local IP address of interface */
+       struct  in_addr imr_multiaddr;  /* IP multicast address of group */
+       struct  in_addr imr_interface;  /* local IP address of interface */

 };
 
 /*
 };
 
 /*


@@ -547,9 +571,9 @@ struct ip_mreq {
  * the IPv4 legacy APIs do not support this (unless IP_SENDIF is available).
  */
 struct ip_mreqn {
  * 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 */
+       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)
 };
 
 #pragma pack(4)


@@ -557,9 +581,9 @@ struct ip_mreqn {
  * Argument structure for IPv4 Multicast Source Filter APIs. [RFC3678]
  */
 struct ip_mreq_source {
  * 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 */
+       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 */

 };
 
 /*
 };
 
 /*


@@ -567,14 +591,14 @@ struct ip_mreq_source {
  * Filter APIs. [RFC3678]
  */
 struct group_req {
  * Filter APIs. [RFC3678]
  */
 struct group_req {

-       uint32_t                gr_interface;   /* interface index */
-       struct sockaddr_storage gr_group;       /* group address */
+       uint32_t                gr_interface;   /* interface index */
+       struct sockaddr_storage gr_group;       /* group address */

 };
 
 struct group_source_req {
 };
 
 struct group_source_req {

-       uint32_t                gsr_interface;  /* interface index */
-       struct sockaddr_storage gsr_group;      /* group address */
-       struct sockaddr_storage gsr_source;     /* source address */
+       uint32_t                gsr_interface;  /* interface index */
+       struct sockaddr_storage gsr_group;      /* group address */
+       struct sockaddr_storage gsr_source;     /* source address */

 };
 
 #ifndef __MSFILTERREQ_DEFINED
 };
 
 #ifndef __MSFILTERREQ_DEFINED


@@ -585,31 +609,31 @@ struct group_source_req {
  * the RFC 3678 libc functions and the kernel.
  */
 struct __msfilterreq {
  * 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;
+       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 {
 };
 
 #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;
+       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 {
 };
 
 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;
+       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 */
 };
 #endif /* BSD_KERNEL_PRIVATE */
 #endif /* __MSFILTERREQ_DEFINED */


@@ -623,43 +647,44 @@ struct sockaddr;
  * The RFC specifies uint_t for the 6th argument to [sg]etsourcefilter().
  * We use uint32_t here to be consistent.
  */
  * 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);
+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
 #endif

+#endif /* PLATFORM_DriverKit */

 
 /*
  * Filter modes; also used to represent per-socket filter mode internally.
  */
 
 /*
  * 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) */
+#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()
  */
 
 /*
  * Argument for IP_PORTRANGE:
  * - which range to search when port is unspecified at bind() or connect()
  */

-#define        IP_PORTRANGE_DEFAULT    0       /* default range */
-#define        IP_PORTRANGE_HIGH       1       /* "high" - request firewall bypass */
-#define        IP_PORTRANGE_LOW        2       /* "low" - vouchsafe security */
+#define IP_PORTRANGE_DEFAULT    0       /* default range */
+#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)
 
 
 /*
  * IP_PKTINFO: Packet information (equivalent to  RFC2292 sec 5 for IPv4)

- * This structure is used for 
+ * This structure is used for

  *
  *

- * 1) Receiving ancilliary data about the datagram if IP_PKTINFO sockopt is 
+ * 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
  *    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 
+ *    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.
  *    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 
+ *    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.
  *    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.


@@ -669,9 +694,9 @@ int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,
  *    specified during send time.
  */
 struct in_pktinfo {
  *    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 */
+       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 */

 };
 
 /*
 };
 
 /*


@@ -680,10 +705,10 @@ struct in_pktinfo {
  * Third level is protocol number.
  * Fourth level is desired variable within that protocol.
  */
  * Third level is protocol number.
  * Fourth level is desired variable within that protocol.
  */

-#define        IPPROTO_MAXID   (IPPROTO_AH + 1)        /* don't list to IPPROTO_MAX */
+#define IPPROTO_MAXID   (IPPROTO_AH + 1)        /* don't list to IPPROTO_MAX */

 
 #ifdef BSD_KERNEL_PRIVATE
 
 #ifdef BSD_KERNEL_PRIVATE

-#define        CTL_IPPROTO_NAMES { \
+#define CTL_IPPROTO_NAMES { \

        { "ip", CTLTYPE_NODE }, \
        { "icmp", CTLTYPE_NODE }, \
        { "igmp", CTLTYPE_NODE }, \
        { "ip", CTLTYPE_NODE }, \
        { "icmp", CTLTYPE_NODE }, \
        { "igmp", CTLTYPE_NODE }, \


@@ -742,29 +767,29 @@ struct in_pktinfo {
 /*
  * Names for IP sysctl objects
  */
 /*
  * Names for IP sysctl objects
  */

-#define        IPCTL_FORWARDING        1       /* act as router */
-#define        IPCTL_SENDREDIRECTS     2       /* may send redirects when forwarding */
-#define        IPCTL_DEFTTL            3       /* default TTL */
+#define IPCTL_FORWARDING        1       /* act as router */
+#define IPCTL_SENDREDIRECTS     2       /* may send redirects when forwarding */
+#define IPCTL_DEFTTL            3       /* default TTL */

 #ifdef notyet
 #ifdef notyet

-#define        IPCTL_DEFMTU            4       /* default MTU */
+#define IPCTL_DEFMTU            4       /* default MTU */

 #endif
 #endif

-#define IPCTL_RTEXPIRE         5       /* cloned route expiration time */
-#define IPCTL_RTMINEXPIRE      6       /* min value for expiration time */
-#define IPCTL_RTMAXCACHE       7       /* trigger level for dynamic expire */
-#define        IPCTL_SOURCEROUTE       8       /* may perform source routes */
-#define        IPCTL_DIRECTEDBROADCAST 9       /* may re-broadcast received packets */
-#define IPCTL_INTRQMAXLEN      10      /* max length of netisr queue */
-#define        IPCTL_INTRQDROPS        11      /* number of netisr q drops */
-#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      /* deprecated */
-#define        IPCTL_GIF_TTL           16      /* default TTL for gif encap packet */
-#define        IPCTL_MAXID             17
+#define IPCTL_RTEXPIRE          5       /* cloned route expiration time */
+#define IPCTL_RTMINEXPIRE       6       /* min value for expiration time */
+#define IPCTL_RTMAXCACHE        7       /* trigger level for dynamic expire */
+#define IPCTL_SOURCEROUTE       8       /* may perform source routes */
+#define IPCTL_DIRECTEDBROADCAST 9       /* may re-broadcast received packets */
+#define IPCTL_INTRQMAXLEN       10      /* max length of netisr queue */
+#define IPCTL_INTRQDROPS        11      /* number of netisr q drops */
+#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      /* deprecated */
+#define IPCTL_GIF_TTL           16      /* default TTL for gif encap packet */
+#define IPCTL_MAXID             17

 
 #ifdef BSD_KERNEL_PRIVATE
 
 
 #ifdef BSD_KERNEL_PRIVATE
 

-#define        IPCTL_NAMES { \
+#define IPCTL_NAMES { \

        { 0, 0 }, \
        { "forwarding", CTLTYPE_INT }, \
        { "redirect", CTLTYPE_INT }, \
        { 0, 0 }, \
        { "forwarding", CTLTYPE_INT }, \
        { "redirect", CTLTYPE_INT }, \


@@ -774,7 +799,7 @@ struct in_pktinfo {
        { "rtminexpire", CTLTYPE_INT }, \
        { "rtmaxcache", CTLTYPE_INT }, \
        { "sourceroute", CTLTYPE_INT }, \
        { "rtminexpire", CTLTYPE_INT }, \
        { "rtmaxcache", CTLTYPE_INT }, \
        { "sourceroute", CTLTYPE_INT }, \

-       { "directed-broadcast", CTLTYPE_INT }, \
+       { "directed-broadcast", CTLTYPE_INT }, \

        { "intr-queue-maxlen", CTLTYPE_INT }, \
        { "intr-queue-drops", CTLTYPE_INT }, \
        { "stats", CTLTYPE_STRUCT }, \
        { "intr-queue-maxlen", CTLTYPE_INT }, \
        { "intr-queue-drops", CTLTYPE_INT }, \
        { "stats", CTLTYPE_STRUCT }, \


@@ -784,7 +809,7 @@ struct in_pktinfo {
        { "gifttl", CTLTYPE_INT }, \
 }
 #endif /* BSD_KERNEL_PRIVATE */
        { "gifttl", CTLTYPE_INT }, \
 }
 #endif /* BSD_KERNEL_PRIVATE */

-#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#endif  /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 /* INET6 stuff */
 #define __KAME_NETINET_IN_H_INCLUDED_
 
 /* INET6 stuff */
 #define __KAME_NETINET_IN_H_INCLUDED_


@@ -792,7 +817,7 @@ struct in_pktinfo {
 #undef __KAME_NETINET_IN_H_INCLUDED_
 
 #ifdef PRIVATE
 #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
  */
  * Minimal sized structure to hold an IPv4 or IPv6 socket address
  * as sockaddr_storage can waste memory
  */


@@ -801,44 +826,46 @@ union sockaddr_in_4_6 {
        struct sockaddr_in      sin;
        struct sockaddr_in6     sin6;
 };
        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
  */
 
 
 /*
  * Recommended DiffServ Code Point values
  */
 

-#define        _DSCP_DF        0       /* RFC 2474 */
+#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_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_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_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 _DSCP_52        52      /* Wi-Fi WMM Certification: Sigma */

 
 

-#define        _MAX_DSCP       63      /* coded on 6 bits */
+#define _MAX_DSCP       63      /* coded on 6 bits */

 
 #endif /* PRIVATE */
 
 
 #endif /* PRIVATE */
 

+#ifndef PLATFORM_DriverKit

 #ifdef KERNEL
 #ifdef BSD_KERNEL_PRIVATE
 #include <mach/boolean.h>
 #ifdef KERNEL
 #ifdef BSD_KERNEL_PRIVATE
 #include <mach/boolean.h>


@@ -851,40 +878,59 @@ 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 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(struct mbuf *, uint32_t, uint32_t, uint32_t);

+extern uint16_t inet_cksum_buffer(const void *, 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 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 *, uint32_t, 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);
 extern uint32_t in_finalize_cksum(struct mbuf *, uint32_t, uint32_t);
 extern uint16_t b_sum16(const void *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)                        \
+#define in_cksum(_m, _l)                        \

        inet_cksum(_m, 0, 0, _l)
        inet_cksum(_m, 0, 0, _l)

-#define        ip_cksum_hdr_in(_m, _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)
        ip_cksum_hdr_dir(_m, _l, 0)

-#define        ip_cksum_hdr_out(_m, _l)                \
+#define ip_cksum_hdr_out(_m, _l)                \

        ip_cksum_hdr_dir(_m, _l, 1)
 
        ip_cksum_hdr_dir(_m, _l, 1)
 

-#define        in_cksum_hdr(_ip)                       \
+#define in_cksum_hdr(_ip)                       \

        (~b_sum16(_ip, sizeof (struct ip)) & 0xffff)
 
        (~b_sum16(_ip, sizeof (struct ip)) & 0xffff)
 

-#define        in_cksum_offset(_m, _o)         \
+#define in_cksum_offset(_m, _o)         \

        ((void) in_finalize_cksum(_m, _o, CSUM_DELAY_IP))
        ((void) in_finalize_cksum(_m, _o, CSUM_DELAY_IP))

-#define        in_delayed_cksum(_m)            \
+#define in_delayed_cksum(_m)            \

        ((void) in_finalize_cksum(_m, 0, CSUM_DELAY_DATA))
        ((void) in_finalize_cksum(_m, 0, CSUM_DELAY_DATA))

-#define        in_delayed_cksum_offset(_m, _o) \
+#define in_delayed_cksum_offset(_m, _o) \

        ((void) in_finalize_cksum(_m, _o, CSUM_DELAY_DATA))
 
        ((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 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        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
 #endif /* BSD_KERNEL_PRIVATE */
 
 #ifdef KERNEL_PRIVATE


@@ -892,16 +938,16 @@ extern uint16_t b_sum16(const void *buf, int len);
 extern int in_localaddr(struct in_addr);
 extern int inaddr_local(struct in_addr);
 
 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,
+extern char     *inet_ntoa(struct in_addr);
+extern char     *inet_ntoa_r(struct in_addr ina, char *buf,

     size_t buflen);
     size_t buflen);

-extern int     inet_pton(int af, const char *, void *);
+extern int      inet_pton(int af, const char *, void *);

 #endif /* KERNEL_PRIVATE */
 
 #endif /* KERNEL_PRIVATE */
 

-#define MAX_IPv4_STR_LEN       16
-#define MAX_IPv6_STR_LEN       64
+#define MAX_IPv4_STR_LEN        16
+#define MAX_IPv6_STR_LEN        64

 
 

-extern int      inet_aton(const char *, struct in_addr *); /* in libkern */
+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 */
 
 extern const char *inet_ntop(int, const void *, char *, socklen_t); /* in libkern*/
 #endif /* KERNEL */
 


@@ -914,4 +960,5 @@ int        bindresvport_sa(int, struct sockaddr *);
 __END_DECLS
 #endif
 #endif /* !KERNEL */
 __END_DECLS
 #endif
 #endif /* !KERNEL */

+#endif /* PLATFORM_DriverKit */

 #endif /* _NETINET_IN_H_ */
 #endif /* _NETINET_IN_H_ */