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Diffstat (limited to 'cpukit/libnetworking/include/netinet/in.h')
| -rw-r--r-- | cpukit/libnetworking/include/netinet/in.h | 669 |
1 files changed, 669 insertions, 0 deletions
diff --git a/cpukit/libnetworking/include/netinet/in.h b/cpukit/libnetworking/include/netinet/in.h new file mode 100644 index 0000000000..4361a44767 --- /dev/null +++ b/cpukit/libnetworking/include/netinet/in.h @@ -0,0 +1,669 @@ +/*- + * Copyright (c) 1982, 1986, 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)in.h 8.3 (Berkeley) 1/3/94 + * $FreeBSD: head/sys/netinet/in.h 281649 2015-04-17 11:57:06Z glebius $ + */ + +#ifndef _NETINET_IN_H_ +#define _NETINET_IN_H_ + +#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 */ +#define IPPROTO_ICMP 1 /* control message protocol */ +#define IPPROTO_TCP 6 /* tcp */ +#define IPPROTO_UDP 17 /* user datagram protocol */ + +#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; +#define _IN_PORT_T_DECLARED +#endif + +#ifndef _SA_FAMILY_T_DECLARED +typedef __sa_family_t sa_family_t; +#define _SA_FAMILY_T_DECLARED +#endif + +/* Internet address (a structure for historical reasons). */ +#ifndef _STRUCT_IN_ADDR_DECLARED +struct in_addr { + in_addr_t s_addr; +}; +#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; + sa_family_t sin_family; + in_port_t sin_port; + struct in_addr sin_addr; + 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. + */ + +/* + * Protocols (RFC 1700) + */ +#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ +#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 */ +#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*/ +#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 */ +#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_MOBILE 55 /* IP Mobility */ +#define IPPROTO_TLSP 56 /* Transport Layer Security */ +#define IPPROTO_SKIP 57 /* SKIP */ +#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*/ +#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, 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 */ + +/* + * Defined to avoid confusion. The master value is defined by + * PROTO_SPACER in sys/protosw.h. + */ +#define IPPROTO_SPACER 32767 /* spacer for loadable protos */ + +/* + * Local port number conventions: + * + * When a user does a bind(2) or connect(2) with a port number of zero, + * a non-conflicting local port address is chosen. + * The default range is IPPORT_HIFIRSTAUTO through + * IPPORT_HILASTAUTO, although that is settable by sysctl. + * + * A user may set the IPPROTO_IP option IP_PORTRANGE to change this + * default assignment range. + * + * The value IP_PORTRANGE_DEFAULT causes the default behavior. + * + * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers + * into the "high" range. These are reserved for client outbound connections + * which do not want to be filtered by any firewalls. + * + * The value IP_PORTRANGE_LOW changes the range to the "low" are + * that is (by convention) restricted to privileged processes. This + * convention is based on "vouchsafe" principles only. It is only secure + * if you trust the remote host to restrict these ports. + * + * The default range of ports and the high range can be changed by + * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) + * + * Changing those values has bad security implications if you are + * using a stateless firewall that is allowing packets outside of that + * range in order to allow transparent outgoing connections. + * + * 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) + */ +#define IPPORT_RESERVED 1024 + +/* + * 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 49152 +#define IPPORT_HILASTAUTO 65535 + +/* + * Scanning for a free reserved port return a value below IPPORT_RESERVED, + * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was + * 512, but that conflicts with some well-known-services that firewalls may + * have a fit if we use. + */ +#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) (((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) (((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) (((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) (((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) (((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 ((in_addr_t)0x7f000001) +#ifndef _KERNEL +#define INADDR_NONE ((in_addr_t)0xffffffff) /* -1 return */ +#endif + +#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 127 /* official! */ + +#define IN_RFC3021_MASK ((in_addr_t)0xfffffffe) + +/* + * 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_SENDSRCADDR IP_RECVDSTADDR /* cmsg_type to set src addr */ +#define IP_RETOPTS 8 /* ip_opts; set/get IP options */ +#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_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 */ + +/* + * 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 */ + +/* + * 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. + */ +struct ip_mreq { + struct in_addr imr_multiaddr; /* IP multicast address of group */ + struct in_addr imr_interface; /* local IP address of interface */ +}; + +/* + * Modified argument structure for IP_MULTICAST_IF, obtained from Linux. + * This is used to specify an interface index for multicast sends, as + * the IPv4 legacy APIs do not support this (unless IP_SENDIF is available). + */ +struct ip_mreqn { + struct in_addr imr_multiaddr; /* IP multicast address of group */ + struct in_addr imr_address; /* local IP address of interface */ + int imr_ifindex; /* Interface index; cast to uint32_t */ +}; + +/* + * 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() + */ +#define IP_PORTRANGE_DEFAULT 0 /* default range */ +#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ +#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ + +/* + * Identifiers for IP sysctl nodes + */ +#define IPCTL_FORWARDING 1 /* act as router */ +#define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ +#define IPCTL_DEFTTL 3 /* default TTL */ +#ifdef notyet +#define IPCTL_DEFMTU 4 /* default MTU */ +#endif +/* 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_STATS 12 /* ipstat structure */ +#define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ +#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 + +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_localaddr(struct in_addr); +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_*/ |