From: Christian Mauderer <christian.maude...@embedded-brains.de>

Import the netinet/in.h from current FreeBSD. This allows to build some
current software (e.g. libressl).
---
 cpukit/libnetworking/netinet/in.h | 477 +++++++++++++++++++++++++++-----------
 1 file changed, 344 insertions(+), 133 deletions(-)

diff --git a/cpukit/libnetworking/netinet/in.h 
b/cpukit/libnetworking/netinet/in.h
index 5a264e0..4361a44 100644
--- a/cpukit/libnetworking/netinet/in.h
+++ b/cpukit/libnetworking/netinet/in.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Copyright (c) 1982, 1986, 1990, 1993
  *     The Regents of the University of California.  All rights reserved.
  *
@@ -27,20 +27,15 @@
  * SUCH DAMAGE.
  *
  *     @(#)in.h        8.3 (Berkeley) 1/3/94
- * $FreeBSD: src/sys/netinet/in.h,v 1.91 2005/08/22 16:13:07 andre Exp $
+ * $FreeBSD: head/sys/netinet/in.h 281649 2015-04-17 11:57:06Z glebius $
  */
- 
 
 #ifndef _NETINET_IN_H_
-#define _NETINET_IN_H_
-
-#include <rtems/bsdnet/_types.h>
-#include <rtems/endian.h>
+#define        _NETINET_IN_H_
 
-#ifndef _IN_ADDR_T_DECLARED
-typedef uint32_t               in_addr_t;
-#define _IN_ADDR_T_DECLARED
-#endif
+#include <sys/cdefs.h>
+#include <sys/_types.h>
+#include <machine/endian.h>
 
 /* Protocols common to RFC 1700, POSIX, and X/Open. */
 #define        IPPROTO_IP              0               /* dummy for IP */
@@ -48,8 +43,28 @@ typedef uint32_t             in_addr_t;
 #define        IPPROTO_TCP             6               /* tcp */
 #define        IPPROTO_UDP             17              /* user datagram 
protocol */
 
-#define        INADDR_ANY              (u_int32_t)0x00000000
-#define        INADDR_BROADCAST        (u_int32_t)0xffffffff   /* must be 
masked */
+#define        INADDR_ANY              ((in_addr_t)0x00000000)
+#define        INADDR_BROADCAST        ((in_addr_t)0xffffffff) /* must be 
masked */
+
+#ifndef _UINT8_T_DECLARED
+typedef        __uint8_t               uint8_t;
+#define        _UINT8_T_DECLARED
+#endif
+
+#ifndef _UINT16_T_DECLARED
+typedef        __uint16_t              uint16_t;
+#define        _UINT16_T_DECLARED
+#endif
+
+#ifndef _UINT32_T_DECLARED
+typedef        __uint32_t              uint32_t;
+#define        _UINT32_T_DECLARED
+#endif
+
+#ifndef _IN_ADDR_T_DECLARED
+typedef        uint32_t                in_addr_t;
+#define        _IN_ADDR_T_DECLARED
+#endif
 
 #ifndef _IN_PORT_T_DECLARED
 typedef        uint16_t                in_port_t;
@@ -62,13 +77,20 @@ typedef     __sa_family_t           sa_family_t;
 #endif
 
 /* Internet address (a structure for historical reasons). */
-#ifndef _STRUCT_IN_ADDR_DECLARED
+#ifndef        _STRUCT_IN_ADDR_DECLARED
 struct in_addr {
        in_addr_t s_addr;
 };
-#define _STRUCT_IN_ADDR_DECLARED
+#define        _STRUCT_IN_ADDR_DECLARED
+#endif
+
+#ifndef        _SOCKLEN_T_DECLARED
+typedef        __socklen_t     socklen_t;
+#define        _SOCKLEN_T_DECLARED
 #endif
 
+#include <sys/_sockaddr_storage.h>
+
 /* Socket address, internet style. */
 struct sockaddr_in {
        uint8_t sin_len;
@@ -78,7 +100,35 @@ struct sockaddr_in {
        char    sin_zero[8];
 };
 
+#if !defined(_KERNEL) && __POSIX_VISIBLE >= 200112
+
+#ifndef _BYTEORDER_PROTOTYPED
+#define        _BYTEORDER_PROTOTYPED
+__BEGIN_DECLS
+uint32_t       htonl(uint32_t);
+uint16_t       htons(uint16_t);
+uint32_t       ntohl(uint32_t);
+uint16_t       ntohs(uint16_t);
+__END_DECLS
+#endif
+
+#ifndef _BYTEORDER_FUNC_DEFINED
+#define        _BYTEORDER_FUNC_DEFINED
+#define        htonl(x)        __htonl(x)
+#define        htons(x)        __htons(x)
+#define        ntohl(x)        __ntohl(x)
+#define        ntohs(x)        __ntohs(x)
+#endif
+
+#endif /* !_KERNEL && __POSIX_VISIBLE >= 200112 */
+
+#if __POSIX_VISIBLE >= 200112
+#define        IPPROTO_IPV6            41              /* IP6 header */
+#define        IPPROTO_RAW             255             /* raw IP packet */
+#define        INET_ADDRSTRLEN         16
+#endif
 
+#if __BSD_VISIBLE
 /*
  * Constants and structures defined by the internet system,
  * Per RFC 790, September 1981, and numerous additions.
@@ -113,7 +163,7 @@ struct sockaddr_in {
 #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_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 */
@@ -125,12 +175,11 @@ struct sockaddr_in {
 #define        IPPROTO_CMTP            38              /* Control Message 
Transport */
 #define        IPPROTO_TPXX            39              /* TP++ Transport */
 #define        IPPROTO_IL              40              /* IL transport 
protocol */
-#define        IPPROTO_IPV6            41              /* IP6 header */
 #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_RSVP            46              /* resource reservation 
*/
 #define        IPPROTO_GRE             47              /* General Routing 
Encap. */
 #define        IPPROTO_MHRP            48              /* Mobile Host Routing 
*/
 #define        IPPROTO_BHA             49              /* BHA */
@@ -186,22 +235,36 @@ struct sockaddr_in {
 #define        IPPROTO_APES            99              /* any private encr. 
scheme */
 #define        IPPROTO_GMTP            100             /* GMTP*/
 #define        IPPROTO_IPCOMP          108             /* payload compression 
(IPComp) */
+#define        IPPROTO_SCTP            132             /* SCTP */
+#define        IPPROTO_MH              135             /* IPv6 Mobility Header 
*/
+#define        IPPROTO_UDPLITE         136             /* UDP-Lite */
+#define        IPPROTO_HIP             139             /* IP6 Host Identity 
Protocol */
+#define        IPPROTO_SHIM6           140             /* IP6 Shim6 Protocol */
 /* 101-254: Partly Unassigned */
 #define        IPPROTO_PIM             103             /* Protocol Independent 
Mcast */
 #define        IPPROTO_CARP            112             /* CARP */
 #define        IPPROTO_PGM             113             /* PGM */
+#define        IPPROTO_MPLS            137             /* MPLS-in-IP */
 #define        IPPROTO_PFSYNC          240             /* PFSYNC */
+#define        IPPROTO_RESERVED_253    253             /* Reserved */
+#define        IPPROTO_RESERVED_254    254             /* Reserved */
 /* 255: Reserved */
-/* BSD Private, local use, namespace incursion */
-#define        IPPROTO_DIVERT          254             /* divert 
pseudo-protocol */
-#define        IPPROTO_RAW             255             /* raw IP packet */
+/* BSD Private, local use, namespace incursion, no longer used */
+#define        IPPROTO_OLD_DIVERT      254             /* OLD divert 
pseudo-proto */
 #define        IPPROTO_MAX             256
 
+/* last return value of *_input(), meaning "all job for this pkt is done".  */
+#define        IPPROTO_DONE            257
+
+/* Only used internally, so can be outside the range of valid IP protocols. */
+#define        IPPROTO_DIVERT          258             /* divert 
pseudo-protocol */
+#define        IPPROTO_SEND            259             /* SeND pseudo-protocol 
*/
+
 /*
- * Merged from FreeBSD 1.78 of this file so Python compiles.
- * This is a size value for functions such as inet_ntop().
+ * Defined to avoid confusion.  The master value is defined by
+ * PROTO_SPACER in sys/protosw.h.
  */
-#define        INET_ADDRSTRLEN         16
+#define        IPPROTO_SPACER          32767           /* spacer for loadable 
protos */
 
 /*
  * Local port number conventions:
@@ -235,22 +298,36 @@ struct sockaddr_in {
  * Such a firewall configuration will generally depend on the use of these
  * default values.  If you change them, you may find your Security
  * Administrator looking for you with a heavy object.
+ *
+ * For a slightly more orthodox text view on this:
+ *
+ *            ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
+ *
+ *    port numbers are divided into three ranges:
+ *
+ *                0 -  1023 Well Known Ports
+ *             1024 - 49151 Registered Ports
+ *            49152 - 65535 Dynamic and/or Private Ports
+ *
  */
 
 /*
  * 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
-#define        IPPORT_USERRESERVED     5000
 
 /*
- * Default local port range to use by setting IP_PORTRANGE_HIGH
+ * Default local port range, used by IP_PORTRANGE_DEFAULT
+ */
+#define IPPORT_EPHEMERALFIRST  10000
+#define IPPORT_EPHEMERALLAST   65535 
+ 
+/*
+ * Dynamic port range, used by IP_PORTRANGE_HIGH.
  */
-#define        IPPORT_HIFIRSTAUTO      40000
-#define        IPPORT_HILASTAUTO       44999
+#define        IPPORT_HIFIRSTAUTO      49152
+#define        IPPORT_HILASTAUTO       65535
 
 /*
  * Scanning for a free reserved port return a value below IPPORT_RESERVED,
@@ -258,49 +335,70 @@ struct sockaddr_in {
  * 512, but that conflicts with some well-known-services that firewalls may
  * have a fit if we use.
  */
-#define IPPORT_RESERVEDSTART   600
+#define        IPPORT_RESERVEDSTART    600
+
+#define        IPPORT_MAX              65535
+
 /*
  * Definitions of bits in internet address integers.
  * On subnets, the decomposition of addresses to host and net parts
  * is done according to subnet mask, not the masks here.
  */
-#define        IN_CLASSA(i)            (((u_int32_t)(i) & 0x80000000) == 0)
+#define        IN_CLASSA(i)            (((in_addr_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(i)            (((in_addr_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(i)            (((in_addr_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(i)            (((in_addr_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        IN_EXPERIMENTAL(i)      (((in_addr_t)(i) & 0xf0000000) == 
0xf0000000)
+#define        IN_BADCLASS(i)          (((in_addr_t)(i) & 0xf0000000) == 
0xf0000000)
+
+#define IN_LINKLOCAL(i)                (((in_addr_t)(i) & 0xffff0000) == 
0xa9fe0000)
+#define IN_LOOPBACK(i)         (((in_addr_t)(i) & 0xff000000) == 0x7f000000)
+#define IN_ZERONET(i)          (((in_addr_t)(i) & 0xff000000) == 0)
+
+#define        IN_PRIVATE(i)   ((((in_addr_t)(i) & 0xff000000) == 0x0a000000) 
|| \
+                        (((in_addr_t)(i) & 0xfff00000) == 0xac100000) || \
+                        (((in_addr_t)(i) & 0xffff0000) == 0xc0a80000))
+
+#define        IN_LOCAL_GROUP(i)       (((in_addr_t)(i) & 0xffffff00) == 
0xe0000000)
+ 
+#define        IN_ANY_LOCAL(i)         (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i))
 
-#define        INADDR_LOOPBACK         (u_int32_t)0x7f000001
+#define        INADDR_LOOPBACK         ((in_addr_t)0x7f000001)
 #ifndef _KERNEL
-#define        INADDR_NONE             0xffffffff              /* -1 return */
+#define        INADDR_NONE             ((in_addr_t)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_MAX_LOCAL_GROUP  (u_int32_t)0xe00000ff   /* 224.0.0.255 
*/
+#define        INADDR_UNSPEC_GROUP     ((in_addr_t)0xe0000000) /* 224.0.0.0 */
+#define        INADDR_ALLHOSTS_GROUP   ((in_addr_t)0xe0000001) /* 224.0.0.1 */
+#define        INADDR_ALLRTRS_GROUP    ((in_addr_t)0xe0000002) /* 224.0.0.2 */
+#define        INADDR_ALLRPTS_GROUP    ((in_addr_t)0xe0000016) /* 224.0.0.22, 
IGMPv3 */
+#define        INADDR_CARP_GROUP       ((in_addr_t)0xe0000012) /* 224.0.0.18 */
+#define        INADDR_PFSYNC_GROUP     ((in_addr_t)0xe00000f0) /* 224.0.0.240 
*/
+#define        INADDR_ALLMDNS_GROUP    ((in_addr_t)0xe00000fb) /* 224.0.0.251 
*/
+#define        INADDR_MAX_LOCAL_GROUP  ((in_addr_t)0xe00000ff) /* 224.0.0.255 
*/
 
-#define        IN_LOOPBACKNET          (u_int32_t)127                  /* 
official! */
+#define        IN_LOOPBACKNET          127                     /* official! */
+
+#define        IN_RFC3021_MASK         ((in_addr_t)0xfffffffe)
 
 /*
  * Options for use with [gs]etsockopt at the IP level.
@@ -315,32 +413,109 @@ struct sockaddr_in {
 #define        IP_RECVDSTADDR          7    /* bool; receive IP dst addr 
w/dgram */
 #define        IP_SENDSRCADDR          IP_RECVDSTADDR /* cmsg_type to set src 
addr */
 #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_IF         9    /* struct in_addr *or* struct 
ip_mreqn;
+                                     * 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_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 */
+#define        IP_IPSEC_POLICY         21   /* int; set/get security policy */
+                                    /* unused; was IP_FAITH */
+#define        IP_ONESBCAST            23   /* bool: send all-ones broadcast */
+#define        IP_BINDANY              24   /* bool: allow bind to any address 
*/
+#define        IP_BINDMULTI            25   /* bool: allow multiple listeners 
on a tuple */
+#define        IP_RSS_LISTEN_BUCKET    26   /* int; set RSS listen bucket */
 
-#define IP_FW_ADD              50   /* add a firewall rule to chain */
-#define IP_FW_DEL              51   /* delete a firewall rule from chain */
-#define IP_FW_FLUSH            52   /* flush firewall rule chain */
-#define IP_FW_ZERO             53   /* clear single/all firewall counter(s) */
-#define IP_FW_GET              54   /* get entire firewall rule chain */
-#define IP_NAT                 55   /* set/get NAT opts */
+/*
+ * Options for controlling the firewall and dummynet.
+ * Historical options (from 40 to 64) will eventually be
+ * replaced by only two options, IP_FW3 and IP_DUMMYNET3.
+ */
+#define        IP_FW_TABLE_ADD         40   /* add entry */
+#define        IP_FW_TABLE_DEL         41   /* delete entry */
+#define        IP_FW_TABLE_FLUSH       42   /* flush table */
+#define        IP_FW_TABLE_GETSIZE     43   /* get table size */
+#define        IP_FW_TABLE_LIST        44   /* list table contents */
+
+#define        IP_FW3                  48   /* generic ipfw v.3 sockopts */
+#define        IP_DUMMYNET3            49   /* generic dummynet v.3 sockopts */
+
+#define        IP_FW_ADD               50   /* add a firewall rule to chain */
+#define        IP_FW_DEL               51   /* delete a firewall rule from 
chain */
+#define        IP_FW_FLUSH             52   /* flush firewall rule chain */
+#define        IP_FW_ZERO              53   /* clear single/all firewall 
counter(s) */
+#define        IP_FW_GET               54   /* get entire firewall rule chain 
*/
+#define        IP_FW_RESETLOG          55   /* reset logging counters */
+
+#define IP_FW_NAT_CFG           56   /* add/config a nat rule */
+#define IP_FW_NAT_DEL           57   /* delete a nat rule */
+#define IP_FW_NAT_GET_CONFIG    58   /* get configuration of a nat rule */
+#define IP_FW_NAT_GET_LOG       59   /* get log of a nat rule */
+
+#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_RECVTTL              65   /* bool; receive IP TTL w/dgram */
+#define        IP_MINTTL               66   /* minimum TTL for packet or drop 
*/
+#define        IP_DONTFRAG             67   /* don't fragment packet */
+#define        IP_RECVTOS              68   /* bool; receive IP TOS w/dgram */
+
+/* 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 */
+
+/* Flow and RSS definitions */
+#define        IP_FLOWID               90   /* get flow id for the given 
socket/inp */
+#define        IP_FLOWTYPE             91   /* get flow type (M_HASHTYPE) */
+#define        IP_RSSBUCKETID          92   /* get RSS flowid -> bucket 
mapping */
+#define        IP_RECVFLOWID           93   /* bool; receive IP 
flowid/flowtype w/ datagram */
+#define        IP_RECVRSSBUCKETID      94   /* bool; receive IP RSS bucket id 
w/ datagram */
 
 /*
  * 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
+#define        IP_MAX_SOURCE_FILTER    1024    /* XXX to be unused */
+
+/*
+ * 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.
@@ -351,6 +526,83 @@ struct ip_mreq {
 };
 
 /*
+ * 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 */
+};
+
+/*
+ * 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 */
+       struct sockaddr_storage  msfr_group;    /* group address */
+       struct sockaddr_storage *msfr_srcs;     /* pointer to the first member
+                                                * of a contiguous array of
+                                                * sources to filter in full.
+                                                */
+};
+#endif
+
+struct sockaddr;
+
+/*
+ * 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 *);
+int    getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *,
+           uint32_t *, struct in_addr *);
+int    setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,
+           uint32_t, uint32_t, struct sockaddr_storage *);
+int    getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,
+           uint32_t *, uint32_t *, struct sockaddr_storage *);
+
+/*
+ * 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()
  */
@@ -359,41 +611,7 @@ struct ip_mreq {
 #define        IP_PORTRANGE_LOW        2       /* "low" - vouchsafe security */
 
 /*
- * Definitions for inet sysctl operations.
- *
- * Third level is protocol number.
- * Fourth level is desired variable within that protocol.
- */
-#define        IPPROTO_MAXID   (IPPROTO_IDP + 1)       /* don't list to 
IPPROTO_MAX */
-
-#define        CTL_IPPROTO_NAMES { \
-       { "ip", CTLTYPE_NODE }, \
-       { "icmp", CTLTYPE_NODE }, \
-       { "igmp", CTLTYPE_NODE }, \
-       { "ggp", CTLTYPE_NODE }, \
-       { 0, 0 }, \
-       { 0, 0 }, \
-       { "tcp", CTLTYPE_NODE }, \
-       { 0, 0 }, \
-       { "egp", CTLTYPE_NODE }, \
-       { 0, 0 }, \
-       { 0, 0 }, \
-       { 0, 0 }, \
-       { "pup", CTLTYPE_NODE }, \
-       { 0, 0 }, \
-       { 0, 0 }, \
-       { 0, 0 }, \
-       { 0, 0 }, \
-       { "udp", CTLTYPE_NODE }, \
-       { 0, 0 }, \
-       { 0, 0 }, \
-       { 0, 0 }, \
-       { 0, 0 }, \
-       { "idp", CTLTYPE_NODE }, \
-}
-
-/*
- * Names for IP sysctl objects
+ * Identifiers for IP sysctl nodes
  */
 #define        IPCTL_FORWARDING        1       /* act as router */
 #define        IPCTL_SENDREDIRECTS     2       /* may send redirects when 
forwarding */
@@ -401,32 +619,20 @@ struct ip_mreq {
 #ifdef notyet
 #define        IPCTL_DEFMTU            4       /* default MTU */
 #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 */
+/*     IPCTL_RTEXPIRE          5       deprecated */
+/*     IPCTL_RTMINEXPIRE       6       deprecated */
+/*     IPCTL_RTMAXCACHE        7       deprecated */
 #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_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_MAXID             13
-
-#define        IPCTL_NAMES { \
-       { 0, 0 }, \
-       { "forwarding", CTLTYPE_INT }, \
-       { "redirect", CTLTYPE_INT }, \
-       { "ttl", CTLTYPE_INT }, \
-       { "mtu", CTLTYPE_INT }, \
-       { "rtexpire", CTLTYPE_INT }, \
-       { "rtminexpire", CTLTYPE_INT }, \
-       { "rtmaxcache", CTLTYPE_INT }, \
-       { "sourceroute", CTLTYPE_INT }, \
-       { "directed-broadcast", CTLTYPE_INT }, \
-       { "intr-queue-maxlen", CTLTYPE_INT }, \
-       { "intr-queue-drops", CTLTYPE_INT }, \
-       { "accept_sourceroute", CTLTYPE_INT }, \
-}
+#define        IPCTL_FASTFORWARDING    14      /* use fast IP forwarding code 
*/
+                                       /* 15, unused, was: IPCTL_KEEPFAITH  */
+#define        IPCTL_GIF_TTL           16      /* default TTL for gif encap 
packet */
 
+#endif /* __BSD_VISIBLE */
 
 #ifdef _KERNEL
 
@@ -434,25 +640,30 @@ struct ifnet; struct mbuf;        /* forward declarations 
for Standard C */
 
 int     in_broadcast(struct in_addr, struct ifnet *);
 int     in_canforward(struct in_addr);
-int     in_cksum(struct mbuf *, int);
 int     in_localaddr(struct in_addr);
-char   *inet_ntoa(struct in_addr); /* in libkern */
-
-/* Firewall hooks */
-struct ip;
-typedef        int ip_fw_chk_t(struct ip**, int, struct ifnet*, int, struct 
mbuf**);
-typedef        int ip_fw_ctl_t(int, struct mbuf**);
-extern ip_fw_chk_t *ip_fw_chk_ptr;
-extern ip_fw_ctl_t *ip_fw_ctl_ptr;
-
-/* IP NAT hooks */
-typedef        int ip_nat_t(struct ip**, struct mbuf**, struct ifnet*, int);
-typedef        int ip_nat_ctl_t(int, struct mbuf**);
-extern ip_nat_t *ip_nat_ptr;
-extern ip_nat_ctl_t *ip_nat_ctl_ptr;
-#define        IP_NAT_IN       0x00000001
-#define        IP_NAT_OUT      0x00000002
-
+int     in_localip(struct in_addr);
+int     in_ifhasaddr(struct ifnet *, struct in_addr);
+int     inet_aton(const char *, struct in_addr *); /* in libkern */
+char   *inet_ntoa(struct in_addr); /* in libkern */
+char   *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */
+char   *inet_ntop(int, const void *, char *, socklen_t); /* in libkern */
+int     inet_pton(int af, const char *, void *); /* in libkern */
+void    in_ifdetach(struct ifnet *);
+
+#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        satosin(sa)     ((struct sockaddr_in *)(sa))
+#define        sintosa(sin)    ((struct sockaddr *)(sin))
+#define        ifatoia(ifa)    ((struct in_ifaddr *)(ifa))
 #endif /* _KERNEL */
 
+/* INET6 stuff */
+#if __POSIX_VISIBLE >= 200112
+#define        __KAME_NETINET_IN_H_INCLUDED_
+#include <netinet6/in6.h>
+#undef __KAME_NETINET_IN_H_INCLUDED_
+#endif
+
 #endif /* !_NETINET_IN_H_*/
-- 
1.8.4.5

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