1{
2   This file is part of the Free Pascal run time library.
3   (c) 2000-2003 by Marco van de Voort
4   member of the Free Pascal development team.
5
6   See the file COPYING.FPC, included in this distribution,
7   for details about the copyright.
8
9   OS dependant part of the header.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY;without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14}
15
16Const
17{*
18 * Address families.
19 *}
20  AF_UNSPEC        = 0;		{ unspecified }
21  AF_UNIX          = 1;		{ standardized name for AF_LOCAL }
22  AF_LOCAL         = AF_UNIX;	{ local to host (pipes, portals) }
23  AF_INET          = 2;		{ internetwork: UDP, TCP, etc. }
24  AF_IMPLINK       = 3;		{ arpanet imp addresses }
25  AF_PUP           = 4;		{ pup protocols: e.g. BSP }
26  AF_CHAOS         = 5;		{ mit CHAOS protocols }
27  AF_NETBIOS       = 6;		{ SMB protocols }
28  AF_ISO           = 7;		{ ISO protocols }
29  AF_OSI           = AF_ISO;
30  AF_ECMA          = 8;		{ European computer manufacturers }
31  AF_DATAKIT       = 9;		{ datakit protocols }
32  AF_CCITT         = 10;	{ CCITT protocols, X.25 etc }
33  AF_SNA           = 11;	{ IBM SNA }
34  AF_DECnet        = 12;	{ DECnet }
35  AF_DLI           = 13;	{ DEC Direct data link interface }
36  AF_LAT           = 14;	{ LAT }
37  AF_HYLINK        = 15;	{ NSC Hyperchannel }
38  AF_APPLETALK     = 16;	{ Apple Talk }
39  AF_ROUTE         = 17;	{ Internal Routing Protocol }
40  AF_LINK          = 18;	{ Link layer interface }
41  pseudo_AF_XTP    = 19;	{ eXpress Transfer Protocol (no AF) }
42  AF_COIP          = 20;	{ connection-oriented IP, aka ST II }
43  AF_CNT           = 21;	{ Computer Network Technology }
44  pseudo_AF_RTIP   = 22;	{ Help Identify RTIP packets }
45  AF_IPX           = 23;	{ Novell Internet Protocol }
46  AF_SIP           = 24;	{ Simple Internet Protocol }
47  pseudo_AF_PIP    = 25;	{ Help Identify PIP packets }
48  AF_ISDN          = 26;	{ Integrated Services Digital Network}
49  AF_E164          = AF_ISDN;	{ CCITT E.164 recommendation }
50  pseudo_AF_KEY    = 27;	{ Internal key-management function }
51  AF_INET6         = 28;	{ IPv6 }
52  AF_NATM          = 29;	{ native ATM access }
53  AF_ATM           = 30;	{ ATM }
54  pseudo_AF_HDRCMPLT = 31;	{ Used by BPF to not rewrite headers
55					 * in interface output routine
56                                         }
57  AF_NETGRAPH      = 32;	{ Netgraph sockets }
58  AF_SLOW          = 33;	{ 802.3ad slow protocol }
59  AF_SCLUSTER      = 34;	{ Sitara cluster protocol }
60  AF_ARP           = 35;
61  AF_BLUETOOTH     = 36;	{ Bluetooth sockets }
62  AF_IEEE80211     = 37;	{ IEEE 802.11 protocol }
63  AF_MAX           = 38;
64
65  {
66   * Protocol families, same as address families for now.
67    }
68
69  const
70     PF_UNSPEC = AF_UNSPEC;
71     PF_LOCAL = AF_LOCAL;
72  { backward compatibility  }
73     PF_UNIX = PF_LOCAL;
74     PF_INET = AF_INET;
75     PF_IMPLINK = AF_IMPLINK;
76     PF_PUP = AF_PUP;
77     PF_CHAOS = AF_CHAOS;
78     PF_NETBIOS = AF_NETBIOS;
79     PF_ISO = AF_ISO;
80     PF_OSI = AF_ISO;
81     PF_ECMA = AF_ECMA;
82     PF_DATAKIT = AF_DATAKIT;
83     PF_CCITT = AF_CCITT;
84     PF_SNA = AF_SNA;
85     PF_DECnet = AF_DECnet;
86     PF_DLI = AF_DLI;
87     PF_LAT = AF_LAT;
88     PF_HYLINK = AF_HYLINK;
89     PF_APPLETALK = AF_APPLETALK;
90     PF_ROUTE = AF_ROUTE;
91     PF_LINK = AF_LINK;
92  { really just proto family, no AF  }
93     PF_XTP = pseudo_AF_XTP;
94     PF_COIP = AF_COIP;
95     PF_CNT = AF_CNT;
96     PF_SIP = AF_SIP;
97     PF_IPX = AF_IPX;
98  { same format as AF_INET  }
99     PF_RTIP = pseudo_AF_RTIP;
100     PF_PIP = pseudo_AF_PIP;
101     PF_ISDN = AF_ISDN;
102     PF_KEY = pseudo_AF_KEY;
103     PF_INET6 = AF_INET6;
104     PF_NATM = AF_NATM;
105     PF_ATM = AF_ATM;
106     PF_NETGRAPH = AF_NETGRAPH;
107     PF_SLOW = AF_SLOW;
108     PF_SCLUSTER = AF_SCLUSTER;
109     PF_ARP = AF_ARP;
110     PF_BLUETOOTH = AF_BLUETOOTH;
111     PF_MAX = AF_MAX;
112
113
114  SOCK_PACKET     = 10;
115
116
117{ Maximum queue length specifiable by listen.  }
118  SOMAXCONN     = 128;
119
120        SOL_SOCKET 	 = $FFFF;
121        SO_DEBUG         = $0001;        { turn on debugging info recording }
122        SO_ACCEPTCONN    = $0002;        { socket has had listen() }
123        SO_REUSEADDR     = $0004;        { allow local address reuse }
124        SO_KEEPALIVE     = $0008;        { keep connections alive }
125        SO_DONTROUTE     = $0010;        { just use interface addresses }
126        SO_BROADCAST     = $0020;        { permit sending of broadcast msgs }
127        SO_USELOOPBACK   = $0040;        { bypass hardware when possible }
128        SO_LINGER        = $0080;        { linger on close if data present }
129        SO_OOBINLINE     = $0100;        { leave received OOB data in line }
130        SO_REUSEPORT     = $0200;        { allow local address & port reuse }
131        SO_TIMESTAMP     = $0400;        { timestamp received dgram traffic }
132
133{
134 * Additional options, not kept in so_options.
135 }
136        SO_SNDBUF        =$1001;        { send buffer size }
137        SO_RCVBUF        =$1002;        { receive buffer size }
138        SO_SNDLOWAT      =$1003;        { send low-water mark }
139        SO_RCVLOWAT      =$1004;        { receive low-water mark }
140        SO_SNDTIMEO      =$1005;        { send timeout }
141        SO_RCVTIMEO      =$1006;        { receive timeout }
142        SO_ERROR         =$1007;        { get error status and clear }
143        SO_TYPE          =$1008;        { get socket type }
144
145
146        SHUT_RD         =0;             { shut down the reading side }
147        SHUT_WR         =1;             { shut down the writing side }
148        SHUT_RDWR       =2;             { shut down both sides }
149
150	IPPROTO_IP              = 0;               { dummy for IP }
151	IPPROTO_ICMP            = 1;               { control message protocol }
152	IPPROTO_TCP             = 6;               { tcp }
153	IPPROTO_UDP             = 17;              { user datagram protocol }
154
155
156	IPPROTO_HOPOPTS		= 0 ; 		{ IP6 hop-by-hop options }
157	IPPROTO_IGMP		= 2 ; 		{ group mgmt protocol }
158	IPPROTO_GGP		= 3 ; 		{ gateway^2 (deprecated) }
159	IPPROTO_IPV4		= 4 ; 		{ IPv4 encapsulation }
160	IPPROTO_IPIP		= IPPROTO_IPV4;	{ for compatibility }
161	IPPROTO_ST		= 7 ; 		{ Stream protocol II }
162	IPPROTO_EGP		= 8 ; 		{ exterior gateway protocol }
163	IPPROTO_PIGP		= 9 ; 		{ private interior gateway }
164	IPPROTO_RCCMON		= 10; 		{ BBN RCC Monitoring }
165	IPPROTO_NVPII		= 11; 		{ network voice protocol}
166	IPPROTO_PUP		= 12; 		{ pup }
167	IPPROTO_ARGUS		= 13; 		{ Argus }
168	IPPROTO_EMCON		= 14; 		{ EMCON }
169	IPPROTO_XNET		= 15; 		{ Cross Net Debugger }
170	IPPROTO_CHAOS		= 16; 		{ Chaos}
171	IPPROTO_MUX		= 18; 		{ Multiplexing }
172	IPPROTO_MEAS		= 19; 		{ DCN Measurement Subsystems }
173	IPPROTO_HMP		= 20; 		{ Host Monitoring }
174	IPPROTO_PRM		= 21; 		{ Packet Radio Measurement }
175	IPPROTO_IDP		= 22; 		{ xns idp }
176	IPPROTO_TRUNK1		= 23; 		{ Trunk-1 }
177	IPPROTO_TRUNK2		= 24; 		{ Trunk-2 }
178	IPPROTO_LEAF1		= 25; 		{ Leaf-1 }
179	IPPROTO_LEAF2		= 26; 		{ Leaf-2 }
180	IPPROTO_RDP		= 27; 		{ Reliable Data }
181	IPPROTO_IRTP		= 28; 		{ Reliable Transaction }
182	IPPROTO_TP		= 29; 		{ tp-4 w/ class negotiation }
183	IPPROTO_BLT		= 30; 		{ Bulk Data Transfer }
184	IPPROTO_NSP		= 31; 		{ Network Services }
185	IPPROTO_INP		= 32; 		{ Merit Internodal }
186	IPPROTO_SEP		= 33; 		{ Sequential Exchange }
187	IPPROTO_3PC		= 34; 		{ Third Party Connect }
188	IPPROTO_IDPR		= 35; 		{ InterDomain Policy Routing }
189	IPPROTO_XTP		= 36; 		{ XTP }
190	IPPROTO_DDP		= 37; 		{ Datagram Delivery }
191	IPPROTO_CMTP		= 38; 		{ Control Message Transport }
192	IPPROTO_TPXX		= 39; 		{ TP++ Transport }
193	IPPROTO_IL		= 40; 		{ IL transport protocol }
194	IPPROTO_IPV6		= 41; 		{ IP6 header }
195	IPPROTO_SDRP		= 42; 		{ Source Demand Routing }
196	IPPROTO_ROUTING		= 43; 		{ IP6 routing header }
197	IPPROTO_FRAGMENT	= 44; 		{ IP6 fragmentation header }
198	IPPROTO_IDRP		= 45; 		{ InterDomain Routing}
199	IPPROTO_RSVP		= 46; 		{ resource reservation }
200	IPPROTO_GRE		= 47; 		{ General Routing Encap. }
201	IPPROTO_MHRP		= 48; 		{ Mobile Host Routing }
202	IPPROTO_BHA		= 49; 		{ BHA }
203	IPPROTO_ESP		= 50; 		{ IP6 Encap Sec. Payload }
204	IPPROTO_AH		= 51; 		{ IP6 Auth Header }
205	IPPROTO_INLSP		= 52; 		{ Integ. Net Layer Security }
206	IPPROTO_SWIPE		= 53; 		{ IP with encryption }
207	IPPROTO_NHRP		= 54; 		{ Next Hop Resolution }
208	IPPROTO_MOBILE		= 55; 		{ IP Mobility }
209	IPPROTO_TLSP		= 56; 		{ Transport Layer Security }
210	IPPROTO_SKIP		= 57; 		{ SKIP }
211	IPPROTO_ICMPV6		= 58; 		{ ICMP6 }
212	IPPROTO_NONE		= 59; 		{ IP6 no next header }
213	IPPROTO_DSTOPTS		= 60; 		{ IP6 destination option }
214	IPPROTO_AHIP		= 61; 		{ any host internal protocol }
215	IPPROTO_CFTP		= 62; 		{ CFTP }
216	IPPROTO_HELLO		= 63; 		{ "hello" routing protocol }
217	IPPROTO_SATEXPAK	= 64; 		{ SATNET/Backroom EXPAK }
218	IPPROTO_KRYPTOLAN	= 65; 		{ Kryptolan }
219	IPPROTO_RVD		= 66; 		{ Remote Virtual Disk }
220	IPPROTO_IPPC		= 67; 		{ Pluribus Packet Core }
221	IPPROTO_ADFS		= 68; 		{ Any distributed FS }
222	IPPROTO_SATMON		= 69; 		{ Satnet Monitoring }
223	IPPROTO_VISA		= 70; 		{ VISA Protocol }
224	IPPROTO_IPCV		= 71; 		{ Packet Core Utility }
225	IPPROTO_CPNX		= 72; 		{ Comp. Prot. Net. Executive }
226	IPPROTO_CPHB		= 73; 		{ Comp. Prot. HeartBeat }
227	IPPROTO_WSN		= 74; 		{ Wang Span Network }
228	IPPROTO_PVP		= 75; 		{ Packet Video Protocol }
229	IPPROTO_BRSATMON	= 76; 		{ BackRoom SATNET Monitoring }
230	IPPROTO_ND		= 77; 		{ Sun net disk proto (temp.) }
231	IPPROTO_WBMON		= 78; 		{ WIDEBAND Monitoring }
232	IPPROTO_WBEXPAK		= 79; 		{ WIDEBAND EXPAK }
233	IPPROTO_EON		= 80; 		{ ISO cnlp }
234	IPPROTO_VMTP		= 81; 		{ VMTP }
235	IPPROTO_SVMTP		= 82; 		{ Secure VMTP }
236	IPPROTO_VINES		= 83; 		{ Banyon VINES }
237	IPPROTO_TTP		= 84; 		{ TTP }
238	IPPROTO_IGP		= 85; 		{ NSFNET-IGP }
239	IPPROTO_DGP		= 86; 		{ dissimilar gateway prot. }
240	IPPROTO_TCF		= 87; 		{ TCF }
241	IPPROTO_IGRP		= 88; 		{ Cisco/GXS IGRP }
242	IPPROTO_OSPFIGP		= 89; 		{ OSPFIGP }
243	IPPROTO_SRPC		= 90; 		{ Strite RPC protocol }
244	IPPROTO_LARP		= 91; 		{ Locus Address Resoloution }
245	IPPROTO_MTP		= 92; 		{ Multicast Transport }
246	IPPROTO_AX25		= 93; 		{ AX.25 Frames }
247	IPPROTO_IPEIP		= 94; 		{ IP encapsulated in IP }
248	IPPROTO_MICP		= 95; 		{ Mobile Int.ing control }
249	IPPROTO_SCCSP		= 96; 		{ Semaphore Comm. security }
250	IPPROTO_ETHERIP		= 97; 		{ Ethernet IP encapsulation }
251	IPPROTO_ENCAP		= 98; 		{ encapsulation header }
252	IPPROTO_APES		= 99; 		{ any private encr. scheme }
253	IPPROTO_GMTP		= 100;		{ GMTP}
254	IPPROTO_IPCOMP		= 108;		{ payload compression (IPComp) }
255{ 101-254: Partly Unassigned }
256	IPPROTO_PIM		= 103;		{ Protocol Independent Mcast }
257	IPPROTO_CARP		= 112;		{ CARP }
258	IPPROTO_PGM		= 113;		{ PGM }
259	IPPROTO_PFSYNC		= 240;		{ PFSYNC }
260
261{ last return value of *_input(), meaning "all job for this pkt is done".  }
262	IPPROTO_RAW             = 255;
263	IPPROTO_MAX		= 256;
264	IPPROTO_DONE		= 257;
265
266{
267 * Options for use with [gs]etsockopt at the IP level.
268 * First word of comment is data type; bool is stored in int.
269 }
270	IP_OPTIONS		= 1 ;   { buf/ip_opts; set/get IP options }
271	IP_HDRINCL		= 2 ;   { int; header is included with data }
272	IP_TOS			= 3 ;   { int; IP type of service and preced. }
273	IP_TTL			= 4 ;   { int; IP time to live }
274	IP_RECVOPTS		= 5 ;   { bool; receive all IP opts w/dgram }
275	IP_RECVRETOPTS		= 6 ;   { bool; receive IP opts for response }
276	IP_RECVDSTADDR		= 7 ;   { bool; receive IP dst addr w/dgram }
277	IP_SENDSRCADDR		= IP_RECVDSTADDR; { cmsg_type to set src addr }
278	IP_RETOPTS		= 8 ;   { ip_opts; set/get IP options }
279	IP_MULTICAST_IF		= 9 ;   { u_char; set/get IP multicast i/f  }
280	IP_MULTICAST_TTL	= 10;   { u_char; set/get IP multicast ttl }
281	IP_MULTICAST_LOOP	= 11;   { u_char; set/get IP multicast loopback }
282	IP_ADD_MEMBERSHIP	= 12;   { ip_mreq; add an IP group membership }
283	IP_DROP_MEMBERSHIP	= 13;   { ip_mreq; drop an IP group membership }
284	IP_MULTICAST_VIF	= 14;   { set/get IP mcast virt. iface }
285	IP_RSVP_ON		= 15;   { enable RSVP in kernel }
286	IP_RSVP_OFF		= 16;   { disable RSVP in kernel }
287	IP_RSVP_VIF_ON		= 17;   { set RSVP per-vif socket }
288	IP_RSVP_VIF_OFF		= 18;   { unset RSVP per-vif socket }
289	IP_PORTRANGE		= 19;   { int; range to choose for unspec port }
290	IP_RECVIF		= 20;   { bool; receive reception if w/dgram }
291
292{ for IPSEC }
293	IP_IPSEC_POLICY		= 21;   { int; set/get security policy }
294	IP_FAITH		= 22;   { bool; accept FAITH'ed connections }
295
296	IP_ONESBCAST		= 23;   { bool: send all-ones broadcast }
297
298	IP_FW_TABLE_ADD		= 40;   { add entry }
299	IP_FW_TABLE_DEL		= 41;   { delete entry }
300	IP_FW_TABLE_FLUSH	= 42;   { flush table }
301	IP_FW_TABLE_GETSIZE	= 43;   { get table size }
302	IP_FW_TABLE_LIST	= 44;   { list table contents }
303
304	IP_FW_ADD		= 50;   { add a firewall rule to chain }
305	IP_FW_DEL		= 51;   { delete a firewall rule from chain }
306	IP_FW_FLUSH		= 52;   { flush firewall rule chain }
307	IP_FW_ZERO		= 53;   { clear single/all firewall counter(s) }
308	IP_FW_GET		= 54;   { get entire firewall rule chain }
309	IP_FW_RESETLOG		= 55;   { reset logging counters }
310
311	IP_DUMMYNET_CONFIGURE	= 60;   { add/configure a dummynet pipe }
312	IP_DUMMYNET_DEL		= 61;   { delete a dummynet pipe from chain }
313	IP_DUMMYNET_FLUSH	= 62;   { flush dummynet }
314	IP_DUMMYNET_GET		= 64;   { get entire dummynet pipes }
315
316	IP_RECVTTL		= 65;   { bool; receive IP TTL w/dgram }
317
318	IPV6_SOCKOPT_RESERVED1	= 3 ; { reserved for future use }
319	IPV6_UNICAST_HOPS	= 4 ; { int; IP6 hops }
320	IPV6_MULTICAST_IF	= 9 ; { u_int; setget IP6 multicast if  }
321	IPV6_MULTICAST_HOPS	= 10; { int; setget IP6 multicast hops }
322	IPV6_MULTICAST_LOOP	= 11; { u_int; setget IP6 multicast loopback }
323	IPV6_JOIN_GROUP		= 12; { ip6_mreq; join a group membership }
324	IPV6_LEAVE_GROUP	= 13; { ip6_mreq; leave a group membership }
325	IPV6_PORTRANGE		= 14; { int; range to choose for unspec port }
326
327	IPV6_PKTINFO            = 46; { in6_pktinfo; send if, src addr }
328 	IPV6_HOPLIMIT           = 47; { int; send hop limit }
329 	IPV6_NEXTHOP            = 48; { sockaddr; next hop addr }
330 	IPV6_HOPOPTS            = 49; { ip6_hbh; send hop-by-hop option }
331 	IPV6_DSTOPTS            = 50; { ip6_dest; send dst option befor rthdr }
332 	IPV6_RTHDR              = 51; { ip6_rthdr; send routing header }
333 	IPV6_PKTOPTIONS         = 52; { buf/cmsghdr; set/get IPv6 options }
334
335  { Flags for send, recv etc. }
336  MSG_OOB       = $0001;              { Process out-of-band data}
337  MSG_PEEK      = $0002;              { Peek at incoming messages }
338  MSG_DONTROUTE = $0004;              { Don't use local routing }
339  MSG_EOR       = $0008;              { End of record }
340  MSG_TRUNC     = $0010;
341  MSG_CTRUNC    = $0020;              { Control data lost before delivery }
342  MSG_WAITALL   = $0040;              { Wait for a full request }
343  MSG_DONTWAIT  = $0080;              { Non-blocking I/O }
344  MSG_EOF       = $0100;
345  MSG_NBIO      = $4000;
346  MSG_COMPAT    = $8000;
347  MSG_SOCALLBCK = $10000;
348  MSG_NOSIGNAL  = $20000;              { Do not generate SIGPIPE }
349
350  INVALID_SOCKET = -1;
351  SOCKET_ERROR = -1;
352
353     TCP_NODELAY = $01;
354  { set maximum segment size  }
355     TCP_MAXSEG = $02;
356  { don't push last block of write  }
357     TCP_NOPUSH = $04;
358  { don't use TCP options  }
359     TCP_NOOPT = $08;
360  { use MD5 digests (RFC2385)  }
361     TCP_MD5SIG = $10;
362  { retrieve tcp_info structure  }
363     TCP_INFO = $20;
364
365
366