slirp_state.h@ 19689

Last change on this file since 19689 was 19313, checked in by vboxsync, 16 years ago
NAT: slirp servicing several guests
Property svn:eol-style set to `native`
File size: 28.9 KB

Line
1	/** @file
2	* NAT state/configuration.
3	*/
4
5	/*
6	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
17	* Clara, CA 95054 USA or visit http://www.sun.com if you need
18	* additional information or have any questions.
19	*/
20
21	#ifndef _slirp_state_h_
22	#define _slirp_state_h_
23	#include <iprt/req.h>
24	#include "ip_icmp.h"
25	#ifdef VBOX_WITH_SLIRP_DNS_PROXY
26	# include "dnsproxy/dnsproxy.h"
27	#endif
28
29	/** Number of DHCP clients supported by NAT. */
30	#define NB_ADDR 16
31
32	/** Where to start DHCP IP number allocation. */
33	#define START_ADDR 15
34
35	/** DHCP Lease time. */
36	#define LEASE_TIME (24 * 3600)
37
38	/** Entry in the table of known DHCP clients. */
39	typedef struct
40	{
41	bool allocated;
42	uint8_t macaddr[6];
43	} BOOTPClient;
44
45
46	/** TFTP session entry. */
47	struct tftp_session
48	{
49	int in_use;
50	unsigned char filename[TFTP_FILENAME_MAX];
51
52	struct in_addr client_ip;
53	u_int16_t client_port;
54
55	int timestamp;
56	};
57
58	#ifdef VBOX_WITH_MULTI_DNS
59	struct dns_domain_entry
60	{
61	char *dd_pszDomain;
62	LIST_ENTRY(dns_domain_entry) dd_list;
63	};
64	LIST_HEAD(dns_domain_list_head, dns_domain_entry);
65
66	struct dns_entry
67	{
68	struct in_addr de_addr;
69	LIST_ENTRY(dns_entry) de_list;
70	};
71	LIST_HEAD(dns_list_head, dns_entry);
72	#endif
73
74	/** Main state/configuration structure for slirp NAT. */
75	typedef struct NATState
76	{
77	/* Stuff from boot.c */
78	BOOTPClient bootp_clients[NB_ADDR];
79	const char *bootp_filename;
80	/* Stuff from if.c */
81	int if_mtu, if_mru;
82	int if_comp;
83	int if_maxlinkhdr;
84	int if_queued;
85	int if_thresh;
86	struct mbuf if_fastq;
87	struct mbuf if_batchq;
88	struct mbuf *next_m;
89	/* Stuff from icmp.c */
90	struct icmpstat_t icmpstat;
91	/* Stuff from ip_input.c */
92	struct ipstat_t ipstat;
93	struct ipqhead ipq[IPREASS_NHASH];
94	int maxnipq; /* Administrative limit on # of reass queues*/
95	int maxfragsperpacket; /* Maximum number of IPv4 fragments allowed per packet */
96	int nipq; /* total number of reass queues */
97	uint16_t ip_currid;
98	/* Stuff from mbuf.c */
99	int mbuf_alloced, mbuf_max;
100	int msize;
101	struct mbuf m_freelist, m_usedlist;
102	/* Stuff from slirp.c */
103	void *pvUser;
104	uint32_t curtime;
105	uint32_t time_fasttimo;
106	uint32_t last_slowtimo;
107	bool do_slowtimo;
108	bool link_up;
109	struct timeval tt;
110	struct in_addr our_addr;
111	struct in_addr alias_addr;
112	struct in_addr special_addr;
113	#ifdef VBOX_WITH_SLIRP_MT
114	PRTREQQUEUE pReqQueue;
115	#endif
116	#ifndef VBOX_WITH_MULTI_DNS
117	struct in_addr dns_addr;
118	#else
119	# ifdef RT_OS_WINDOWS
120	ULONG (WINAPI * pfGetAdaptersAddresses)(ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG);
121	# endif
122	struct dns_list_head dns_list_head;
123	struct dns_domain_list_head dns_domain_list_head;
124	#endif
125	struct in_addr tftp_server;
126	struct in_addr loopback_addr;
127	uint32_t netmask;
128	#ifndef VBOX_WITH_NAT_SERVICE
129	uint8_t client_ethaddr[6];
130	#endif
131	struct ex_list *exec_list;
132	char slirp_hostname[33];
133	bool fPassDomain;
134	#ifndef VBOX_WITH_MULTI_DNS
135	const char *pszDomain;
136	#endif
137	/* Stuff from tcp_input.c */
138	struct socket tcb;
139	#ifdef VBOX_WITH_SLIRP_MT
140	RTCRITSECT tcb_mutex;
141	#endif
142	struct socket *tcp_last_so;
143	tcp_seq tcp_iss;
144	/* Stuff from tcp_timer.c */
145	struct tcpstat_t tcpstat;
146	uint32_t tcp_now;
147	int tcp_reass_qsize;
148	int tcp_reass_maxqlen;
149	int tcp_reass_maxseg;
150	int tcp_reass_overflows;
151	/* Stuff from tftp.c */
152	struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
153	const char *tftp_prefix;
154	/* Stuff from udp.c */
155	struct udpstat_t udpstat;
156	struct socket udb;
157	#ifdef VBOX_WITH_SLIRP_MT
158	RTCRITSECT udb_mutex;
159	#endif
160	struct socket *udp_last_so;
161	struct socket icmp_socket;
162	struct icmp_storage icmp_msg_head;
163	# ifndef RT_OS_WINDOWS
164	/* counter of sockets needed for allocation enough room to
165	* process sockets with poll/epoll
166	*
167	* NSOCK_INC/DEC should be injected before every
168	* operation on socket queue (tcb, udb)
169	*/
170	int nsock;
171	# define NSOCK_INC() do {pData->nsock++;} while (0)
172	# define NSOCK_DEC() do {pData->nsock--;} while (0)
173	# else
174	# define NSOCK_INC() do {} while (0)
175	# define NSOCK_DEC() do {} while (0)
176	# endif
177	# ifdef RT_OS_WINDOWS
178	void *pvIcmpBuffer;
179	size_t szIcmpBuffer;
180	/* Accordin MSDN specification IcmpParseReplies
181	* function should be detected in runtime
182	*/
183	long (WINAPI * pfIcmpParseReplies)(void *, long);
184	BOOL (WINAPI * pfIcmpCloseHandle)(HANDLE);
185	HMODULE hmIcmpLibrary;
186	# endif
187	#if defined(RT_OS_WINDOWS)
188	# define VBOX_SOCKET_EVENT (pData->phEvents[VBOX_SOCKET_EVENT_INDEX])
189	HANDLE phEvents[VBOX_EVENT_COUNT];
190	#endif
191	#ifdef VBOX_WITH_SLIRP_DNS_PROXY
192	/* from dnsproxy/dnsproxy.h*/
193	unsigned int authoritative_port;
194	unsigned int authoritative_timeout;
195	unsigned int recursive_port;
196	unsigned int recursive_timeout;
197	unsigned int stats_timeout;
198	unsigned int port;
199
200	unsigned long active_queries;
201	unsigned long all_queries;
202	unsigned long authoritative_queries;
203	unsigned long recursive_queries;
204	unsigned long removed_queries;
205	unsigned long dropped_queries;
206	unsigned long answered_queries;
207	unsigned long dropped_answers;
208	unsigned long late_answers;
209	unsigned long hash_collisions;
210	/dnsproxy/dnsproxy.c/
211	unsigned short queryid;
212	struct sockaddr_in authoritative_addr;
213	struct sockaddr_in recursive_addr;
214	int sock_query;
215	int sock_answer;
216	/* dnsproxy/hash.c */
217	#define HASHSIZE 10
218	#define HASH(id) (id & ((1 << HASHSIZE) - 1))
219	struct request *request_hash[1 << HASHSIZE];
220	/* this field control behaviour of DHCP server */
221	bool use_dns_proxy;
222	#endif
223	STAMPROFILE StatFill;
224	STAMPROFILE StatPoll;
225	STAMPROFILE StatFastTimer;
226	STAMPROFILE StatSlowTimer;
227	STAMCOUNTER StatTCP;
228	STAMCOUNTER StatUDP;
229	STAMCOUNTER StatTCPHot;
230	STAMCOUNTER StatUDPHot;
231	} NATState;
232
233
234	/** Default IP time to live. */
235	#define ip_defttl IPDEFTTL
236
237	/** Number of permanent buffers in mbuf. */
238	#define mbuf_thresh 30
239
240	/** Use a fixed time before sending keepalive. */
241	#define tcp_keepidle TCPTV_KEEP_IDLE
242
243	/** Use a fixed interval between keepalive. */
244	#define tcp_keepintvl TCPTV_KEEPINTVL
245
246	/** Maximum idle time before timing out a connection. */
247	#define tcp_maxidle (TCPTV_KEEPCNT * tcp_keepintvl)
248
249	/** Default TCP socket options. */
250	#define so_options DO_KEEPALIVE
251
252	/** Default TCP MSS value. */
253	#define tcp_mssdflt TCP_MSS
254
255	/** Default TCP round trip time. */
256	#define tcp_rttdflt (TCPTV_SRTTDFLT / PR_SLOWHZ)
257
258	/** Enable RFC1323 performance enhancements.
259	* @todo check if it really works, it was turned off before. */
260	#define tcp_do_rfc1323 1
261
262	/** TCP receive buffer size. */
263	#define tcp_rcvspace TCP_RCVSPACE
264
265	/** TCP receive buffer size. */
266	#define tcp_sndspace TCP_SNDSPACE
267
268	/* TCP duplicate ACK retransmit threshold. */
269	#define tcprexmtthresh 3
270
271
272	#define bootp_filename pData->bootp_filename
273	#define bootp_clients pData->bootp_clients
274
275	#define if_mtu pData->if_mtu
276	#define if_mru pData->if_mru
277	#define if_comp pData->if_comp
278	#define if_maxlinkhdr pData->if_maxlinkhdr
279	#define if_queued pData->if_queued
280	#define if_thresh pData->if_thresh
281	#define if_fastq pData->if_fastq
282	#define if_batchq pData->if_batchq
283	#define next_m pData->next_m
284
285	#define icmpstat pData->icmpstat
286
287	#define ipstat pData->ipstat
288	#define ipq pData->ipq
289	#define ip_currid pData->ip_currid
290
291	#define mbuf_alloced pData->mbuf_alloced
292	#define mbuf_max pData->mbuf_max
293	#define msize pData->msize
294	#define m_freelist pData->m_freelist
295	#define m_usedlist pData->m_usedlist
296
297	#define curtime pData->curtime
298	#define time_fasttimo pData->time_fasttimo
299	#define last_slowtimo pData->last_slowtimo
300	#define do_slowtimo pData->do_slowtimo
301	#define link_up pData->link_up
302	#define cUsers pData->cUsers
303	#define tt pData->tt
304	#define our_addr pData->our_addr
305	#define alias_addr pData->alias_addr
306	#define special_addr pData->special_addr
307	#define dns_addr pData->dns_addr
308	#define loopback_addr pData->loopback_addr
309	#define client_ethaddr pData->client_ethaddr
310	#define exec_list pData->exec_list
311	#define slirp_hostname pData->slirp_hostname
312
313	#define tcb pData->tcb
314	#define tcp_last_so pData->tcp_last_so
315	#define tcp_iss pData->tcp_iss
316
317	#define tcpstat pData->tcpstat
318	#define tcp_now pData->tcp_now
319
320	#define tftp_sessions pData->tftp_sessions
321	#define tftp_prefix pData->tftp_prefix
322
323	#define udpstat pData->udpstat
324	#define udb pData->udb
325	#define udp_last_so pData->udp_last_so
326
327	#define maxfragsperpacket pData->maxfragsperpacket
328	#define maxnipq pData->maxnipq
329	#define nipq pData->nipq
330
331	#define tcp_reass_qsize pData->tcp_reass_qsize
332	#define tcp_reass_maxqlen pData->tcp_reass_maxqlen
333	#define tcp_reass_maxseg pData->tcp_reass_maxseg
334	#define tcp_reass_overflows pData->tcp_reass_overflows
335
336	#define queue_tcp_label tcb
337	#define queue_udp_label udb
338	#define __X(x) x
339	#define _X(x) __X(x)
340	#define _str(x) #x
341	#define str(x) _str(x)
342
343	#ifdef VBOX_WITH_SLIRP_MT
344
345	# define QSOCKET_LOCK(queue) \
346	do { \
347	int rc; \
348	/* Assert(strcmp(RTThreadSelfName(), "EMT") != 0); */ \
349	rc = RTCritSectEnter(&_X(queue) ## _mutex); \
350	AssertReleaseRC(rc); \
351	} while (0)
352	# define QSOCKET_UNLOCK(queue) \
353	do { \
354	int rc; \
355	rc = RTCritSectLeave(&_X(queue) ## _mutex); \
356	AssertReleaseRC(rc); \
357	} while (0)
358	# define QSOCKET_LOCK_CREATE(queue) \
359	do { \
360	int rc; \
361	rc = RTCritSectInit(&pData->queue ## _mutex); \
362	AssertReleaseRC(rc); \
363	} while (0)
364	# define QSOCKET_LOCK_DESTROY(queue) \
365	do { \
366	int rc = RTCritSectDelete(&pData->queue ## _mutex); \
367	AssertReleaseRC(rc); \
368	} while (0)
369
370	# define QSOCKET_FOREACH(so, sonext, label) \
371	QSOCKET_LOCK(__X(queue_## label ## _label)); \
372	(so) = (_X(queue_ ## label ## _label)).so_next; \
373	QSOCKET_UNLOCK(__X(queue_## label ##_label)); \
374	if ((so) != &(_X(queue_## label ## _label))) SOCKET_LOCK((so)); \
375	for(;;) \
376	{ \
377	if ((so) == &(_X(queue_## label ## _label))) \
378	{ \
379	break; \
380	} \
381	Log2(("%s:%d Processing so:%R[natsock]\n", __FUNCTION__, __LINE__, (so)));
382
383	# define CONTINUE_NO_UNLOCK(label) goto loop_end_ ## label ## _mt_nounlock
384	# define CONTINUE(label) goto loop_end_ ## label ## _mt
385	/* @todo replace queue parameter with macrodinition */
386	/* _mt_nounlock - user should lock so_next before calling CONTINUE_NO_UNLOCK */
387	# define LOOP_LABEL(label, so, sonext) loop_end_ ## label ## _mt: \
388	(sonext) = (so)->so_next; \
389	SOCKET_UNLOCK(so); \
390	QSOCKET_LOCK(_X(queue_ ## label ## _label)); \
391	if ((sonext) != &(_X(queue_## label ## _label))) \
392	{ \
393	SOCKET_LOCK((sonext)); \
394	QSOCKET_UNLOCK(_X(queue_ ## label ## _label)); \
395	} \
396	else \
397	{ \
398	so = &_X(queue_ ## label ## _label); \
399	QSOCKET_UNLOCK(_X(queue_ ## label ## _label)); \
400	break; \
401	} \
402	(so) = (sonext); \
403	continue; \
404	loop_end_ ## label ## _mt_nounlock: \
405	(so) = (sonext)
406
407	# define DO_TCP_OUTPUT(data, sotcb) \
408	do { \
409	PRTREQ pReq = NULL; \
410	int rc; \
411	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
412	AssertReleaseRC(rc); \
413	pReq->u.Internal.pfn = (PFNRT)tcp_output; \
414	pReq->u.Internal.cArgs = 2; \
415	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
416	pReq->u.Internal.aArgs[1] = (uintptr_t)(sotcb); \
417	pReq->fFlags = RTREQFLAGS_VOID; \
418	rc = RTReqQueue(pReq, 0); \
419	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
420	{ \
421	SOCKET_UNLOCK(so); \
422	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
423	AssertReleaseRC(rc); \
424	SOCKET_LOCK(so); \
425	RTReqFree(pReq); \
426	} \
427	else \
428	AssertReleaseRC(rc); \
429	} while(0)
430
431	# define DO_TCP_INPUT(data, mbuf, size, so) \
432	do { \
433	PRTREQ pReq = NULL; \
434	int rc; \
435	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
436	AssertReleaseRC(rc); \
437	pReq->u.Internal.pfn = (PFNRT)tcp_input; \
438	pReq->u.Internal.cArgs = 4; \
439	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
440	pReq->u.Internal.aArgs[1] = (uintptr_t)(mbuf); \
441	pReq->u.Internal.aArgs[2] = (uintptr_t)(size); \
442	pReq->u.Internal.aArgs[3] = (uintptr_t)(so); \
443	pReq->fFlags = RTREQFLAGS_VOID\|RTREQFLAGS_NO_WAIT; \
444	rc = RTReqQueue(pReq, 0); \
445	AssertReleaseRC(rc); \
446	} while(0)
447
448	# define DO_TCP_CONNECT(data, so) \
449	do { \
450	PRTREQ pReq = NULL; \
451	int rc; \
452	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
453	AssertReleaseRC(rc); \
454	pReq->u.Internal.pfn = (PFNRT)tcp_connect; \
455	pReq->u.Internal.cArgs = 2; \
456	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
457	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
458	pReq->fFlags = RTREQFLAGS_VOID; \
459	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
460	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
461	{ \
462	SOCKET_UNLOCK(so); \
463	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
464	AssertReleaseRC(rc); \
465	SOCKET_LOCK(so); \
466	RTReqFree(pReq); \
467	} \
468	else \
469	AssertReleaseRC(rc); \
470	} while(0)
471
472	# define DO_SOREAD(ret, data, so, ifclose) \
473	do { \
474	PRTREQ pReq = NULL; \
475	int rc; \
476	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
477	AssertReleaseRC(rc); \
478	pReq->u.Internal.pfn = (PFNRT)soread_queue; \
479	pReq->u.Internal.cArgs = 4; \
480	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
481	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
482	pReq->u.Internal.aArgs[2] = (uintptr_t)(ifclose); \
483	pReq->u.Internal.aArgs[3] = (uintptr_t)&(ret); \
484	pReq->fFlags = RTREQFLAGS_VOID; \
485	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
486	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
487	{ \
488	SOCKET_UNLOCK(so); \
489	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
490	AssertReleaseRC(rc); \
491	SOCKET_LOCK(so); \
492	RTReqFree(pReq); \
493	} \
494	else \
495	AssertReleaseRC(rc); \
496	} while(0)
497
498	# define DO_SOWRITE(ret, data, so) \
499	do { \
500	PRTREQ pReq = NULL; \
501	int rc; \
502	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
503	AssertReleaseRC(rc); \
504	pReq->u.Internal.pfn = (PFNRT)sowrite; \
505	pReq->u.Internal.cArgs = 2; \
506	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
507	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
508	pReq->fFlags = RTREQFLAGS_RETURN_MASK; \
509	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
510	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
511	{ \
512	SOCKET_UNLOCK(so); \
513	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
514	SOCKET_LOCK(so); \
515	ret = pReq->iStatus; \
516	RTReqFree(pReq); \
517	} \
518	else \
519	AssertReleaseRC(rc); \
520	} while(0)
521
522	# define DO_SORECFROM(data, so) \
523	do { \
524	PRTREQ pReq = NULL; \
525	int rc; \
526	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
527	AssertReleaseRC(rc); \
528	pReq->u.Internal.pfn = (PFNRT)sorecvfrom; \
529	pReq->u.Internal.cArgs = 2; \
530	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
531	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
532	pReq->fFlags = RTREQFLAGS_VOID; \
533	rc = RTReqQueue(pReq, 0); \
534	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
535	{ \
536	SOCKET_UNLOCK(so); \
537	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
538	AssertReleaseRC(rc); \
539	SOCKET_LOCK(so); \
540	RTReqFree(pReq); \
541	} \
542	else \
543	AssertReleaseRC(rc); \
544	} while(0)
545
546	# define DO_UDP_DETACH(data, so, so_next) \
547	do { \
548	PRTREQ pReq = NULL; \
549	int rc; \
550	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
551	AssertReleaseRC(rc); \
552	pReq->u.Internal.pfn = (PFNRT)udp_detach; \
553	pReq->u.Internal.cArgs = 2; \
554	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
555	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
556	pReq->fFlags = RTREQFLAGS_VOID; \
557	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
558	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
559	{ \
560	SOCKET_UNLOCK(so); \
561	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
562	AssertReleaseRC(rc); \
563	if ((so_next) != &udb) SOCKET_LOCK((so_next)); \
564	RTReqFree(pReq); \
565	} \
566	else \
567	AssertReleaseRC(rc); \
568	} while(0)
569
570	# define SOLOOKUP(so, label, src, sport, dst, dport) \
571	do { \
572	struct socket *sonxt; \
573	(so) = NULL; \
574	QSOCKET_FOREACH(so, sonxt, label) \
575	/* { */ \
576	if ( so->so_lport == (sport) \
577	&& so->so_laddr.s_addr == (src).s_addr \
578	&& so->so_faddr.s_addr == (dst).s_addr \
579	&& so->so_fport == (dport)) \
580	{ \
581	if (sonxt != &__X(queue_ ## label ## _label)) \
582	SOCKET_UNLOCK(sonxt); \
583	break; /so is locked/ \
584	} \
585	LOOP_LABEL(so, sonxt, label); \
586	} \
587	} \
588	} while (0)
589
590	#else /* !VBOX_WITH_SLIRP_MT */
591
592	# define QSOCKET_LOCK(queue) do {} while (0)
593	# define QSOCKET_UNLOCK(queue) do {} while (0)
594	# define QSOCKET_LOCK_CREATE(queue) do {} while (0)
595	# define QSOCKET_LOCK_DESTROY(queue) do {} while (0)
596	# define QSOCKET_FOREACH(so, sonext, label) \
597	for ((so) = __X(queue_ ## label ## _label).so_next; \
598	(so) != &(__X(queue_ ## label ## _label)); \
599	(so) = (sonext)) \
600	{ \
601	(sonext) = (so)->so_next;
602	# define CONTINUE(label) continue
603	# define CONTINUE_NO_UNLOCK(label) continue
604	# define LOOP_LABEL(label, so, sonext) /* empty*/
605	# define DO_TCP_OUTPUT(data, sotcb) tcp_output((data), (sotcb))
606	# define DO_TCP_INPUT(data, mbuf, size, so) tcp_input((data), (mbuf), (size), (so))
607	# define DO_TCP_CONNECT(data, so) tcp_connect((data), (so))
608	# define DO_SOREAD(ret, data, so, ifclose) \
609	do { \
610	(ret) = soread((data), (so), (ifclose)); \
611	} while(0)
612	# define DO_SOWRITE(ret, data, so) \
613	do { \
614	(ret) = sowrite((data), (so)); \
615	} while(0)
616	# define DO_SORECFROM(data, so) sorecvfrom((data), (so))
617	# define SOLOOKUP(so, label, src, sport, dst, dport) \
618	do { \
619	(so) = solookup(&__X(queue_ ## label ## _label), (src), (sport), (dst), (dport)); \
620	} while (0)
621	# define DO_UDP_DETACH(data, so, ignored) udp_detach((data), (so))
622
623	#endif /* !VBOX_WITH_SLIRP_MT */
624
625	#define TCP_OUTPUT(data, sotcb) DO_TCP_OUTPUT((data), (sotcb))
626	#define TCP_INPUT(data, mbuf, size, so) DO_TCP_INPUT((data), (mbuf), (size), (so))
627	#define TCP_CONNECT(data, so) DO_TCP_CONNECT((data), (so))
628	#define SOREAD(ret, data, so, ifclose) DO_SOREAD((ret), (data), (so), (ifclose))
629	#define SOWRITE(ret, data, so) DO_SOWRITE((ret), (data), (so))
630	#define SORECVFROM(data, so) DO_SORECFROM((data), (so))
631	#define UDP_DETACH(data, so, so_next) DO_UDP_DETACH((data), (so), (so_next))
632
633	#ifdef VBOX_WITH_SLIRP_DNS_PROXY
634	/* dnsproxy/dnsproxy.c */
635	# define authoritative_port pData->authoritative_port
636	# define authoritative_timeout pData->authoritative_timeout
637	# define recursive_port pData->recursive_port
638	# define recursive_timeout pData->recursive_timeout
639	# define stats_timeout pData->stats_timeout
640	/* dnsproxy/hash.c */
641	# define dns_port pData->port
642	# define request_hash pData->request_hash
643	# define hash_collisions pData->hash_collisions
644	# define active_queries pData->active_queries
645	# define all_queries pData->all_queries
646	# define authoritative_queries pData->authoritative_queries
647	# define recursive_queries pData->recursive_queries
648	# define removed_queries pData->removed_queries
649	# define dropped_queries pData->dropped_queries
650	# define answered_queries pData->answered_queries
651	# define dropped_answers pData->dropped_answers
652	# define late_answers pData->late_answers
653
654	/* dnsproxy/dnsproxy.c */
655	# define queryid pData->queryid
656	# define authoritative_addr pData->authoritative_addr
657	# define recursive_addr pData->recursive_addr
658	# define sock_query pData->sock_query
659	# define sock_answer pData->sock_answer
660	#endif
661
662	#endif /* !_slirp_state_h_ */

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source: vbox/trunk/src/VBox/Devices/Network/slirp/slirp_state.h@ 19689

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