slirp_state.h@ 21101

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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
24	#include <iprt/req.h>
25	#include "ip_icmp.h"
26	#include "dnsproxy/dnsproxy.h"
27
28	/** Number of DHCP clients supported by NAT. */
29	#define NB_ADDR 16
30
31	/** Where to start DHCP IP number allocation. */
32	#define START_ADDR 15
33
34	/** DHCP Lease time. */
35	#define LEASE_TIME (24 * 3600)
36
37	/** Entry in the table of known DHCP clients. */
38	typedef struct
39	{
40	bool allocated;
41	uint8_t macaddr[6];
42	#ifdef VBOX_WITHOUT_SLIRP_CLIENT_ETHER
43	struct in_addr addr;
44	#endif
45	} BOOTPClient;
46
47
48	/** TFTP session entry. */
49	struct tftp_session
50	{
51	int in_use;
52	unsigned char filename[TFTP_FILENAME_MAX];
53
54	struct in_addr client_ip;
55	u_int16_t client_port;
56
57	int timestamp;
58	};
59
60	struct dns_domain_entry
61	{
62	char *dd_pszDomain;
63	LIST_ENTRY(dns_domain_entry) dd_list;
64	};
65	LIST_HEAD(dns_domain_list_head, dns_domain_entry);
66
67	struct dns_entry
68	{
69	struct in_addr de_addr;
70	TAILQ_ENTRY(dns_entry) de_list;
71	};
72	TAILQ_HEAD(dns_list_head, dns_entry);
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
114	int tcp_rcvspace;
115	int tcp_sndspace;
116	int socket_rcv;
117	int socket_snd;
118	#ifdef VBOX_WITH_SLIRP_MT
119	PRTREQQUEUE pReqQueue;
120	#endif
121	#ifdef RT_OS_WINDOWS
122	ULONG (WINAPI * pfGetAdaptersAddresses)(ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG);
123	#endif
124	struct dns_list_head dns_list_head;
125	struct dns_domain_list_head dns_domain_list_head;
126	struct in_addr tftp_server;
127	struct in_addr loopback_addr;
128	uint32_t netmask;
129	#ifndef VBOX_WITHOUT_SLIRP_CLIENT_ETHER
130	uint8_t client_ethaddr[6];
131	#else
132	const uint8_t *slirp_ethaddr;
133	#endif
134	struct ex_list *exec_list;
135	char slirp_hostname[33];
136	bool fPassDomain;
137	struct in_addr bindIP;
138	/* Stuff from tcp_input.c */
139	struct socket tcb;
140	#ifdef VBOX_WITH_SLIRP_MT
141	RTCRITSECT tcb_mutex;
142	#endif
143	struct socket *tcp_last_so;
144	tcp_seq tcp_iss;
145	/* Stuff from tcp_timer.c */
146	struct tcpstat_t tcpstat;
147	uint32_t tcp_now;
148	int tcp_reass_qsize;
149	int tcp_reass_maxqlen;
150	int tcp_reass_maxseg;
151	int tcp_reass_overflows;
152	/* Stuff from tftp.c */
153	struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
154	const char *tftp_prefix;
155	/* Stuff from udp.c */
156	struct udpstat_t udpstat;
157	struct socket udb;
158	#ifdef VBOX_WITH_SLIRP_MT
159	RTCRITSECT udb_mutex;
160	#endif
161	struct socket *udp_last_so;
162	struct socket icmp_socket;
163	struct icmp_storage icmp_msg_head;
164	# ifndef RT_OS_WINDOWS
165	/* counter of sockets needed for allocation enough room to
166	* process sockets with poll/epoll
167	*
168	* NSOCK_INC/DEC should be injected before every
169	* operation on socket queue (tcb, udb)
170	*/
171	int nsock;
172	# define NSOCK_INC() do {pData->nsock++;} while (0)
173	# define NSOCK_DEC() do {pData->nsock--;} while (0)
174	# define NSOCK_INC_EX(ex) do {ex->pData->nsock++;} while (0)
175	# define NSOCK_DEC_EX(ex) do {ex->pData->nsock--;} while (0)
176	# else
177	# define NSOCK_INC() do {} while (0)
178	# define NSOCK_DEC() do {} while (0)
179	# define NSOCK_INC_EX(ex) do {} while (0)
180	# define NSOCK_DEC_EX(ex) do {} while (0)
181	# endif
182	# ifdef RT_OS_WINDOWS
183	void *pvIcmpBuffer;
184	size_t szIcmpBuffer;
185	/* Accordin MSDN specification IcmpParseReplies
186	* function should be detected in runtime
187	*/
188	long (WINAPI * pfIcmpParseReplies)(void *, long);
189	BOOL (WINAPI * pfIcmpCloseHandle)(HANDLE);
190	HMODULE hmIcmpLibrary;
191	# endif
192	#if defined(RT_OS_WINDOWS)
193	# define VBOX_SOCKET_EVENT (pData->phEvents[VBOX_SOCKET_EVENT_INDEX])
194	HANDLE phEvents[VBOX_EVENT_COUNT];
195	#endif
196
197	/* from dnsproxy/dnsproxy.h*/
198	unsigned int authoritative_port;
199	unsigned int authoritative_timeout;
200	unsigned int recursive_port;
201	unsigned int recursive_timeout;
202	unsigned int stats_timeout;
203	unsigned int port;
204
205	unsigned long active_queries;
206	unsigned long all_queries;
207	unsigned long authoritative_queries;
208	unsigned long recursive_queries;
209	unsigned long removed_queries;
210	unsigned long dropped_queries;
211	unsigned long answered_queries;
212	unsigned long dropped_answers;
213	unsigned long late_answers;
214	unsigned long hash_collisions;
215	/dnsproxy/dnsproxy.c/
216	unsigned short queryid;
217	struct sockaddr_in authoritative_addr;
218	struct sockaddr_in recursive_addr;
219	int sock_query;
220	int sock_answer;
221	/* dnsproxy/hash.c */
222	#define HASHSIZE 10
223	#define HASH(id) (id & ((1 << HASHSIZE) - 1))
224	struct request *request_hash[1 << HASHSIZE];
225	/* this field control behaviour of DHCP server */
226	bool use_dns_proxy;
227
228	#ifdef VBOX_WITH_SLIRP_ALIAS
229	LIST_HEAD(RT_NOTHING, libalias) instancehead;
230	struct libalias *proxy_alias;
231	#endif
232
233	#define PROFILE_COUNTER(name, dsc) STAMPROFILE Stat ## name
234	#define COUNTING_COUNTER(name, dsc) STAMCOUNTER Stat ## name
235
236	#include "counters.h"
237
238	#undef PROFILE_COUNTER
239	#undef COUNTING_COUNTER
240
241	} NATState;
242
243
244	/** Default IP time to live. */
245	#define ip_defttl IPDEFTTL
246
247	/** Number of permanent buffers in mbuf. */
248	#define mbuf_thresh 30
249
250	/** Use a fixed time before sending keepalive. */
251	#define tcp_keepidle TCPTV_KEEP_IDLE
252
253	/** Use a fixed interval between keepalive. */
254	#define tcp_keepintvl TCPTV_KEEPINTVL
255
256	/** Maximum idle time before timing out a connection. */
257	#define tcp_maxidle (TCPTV_KEEPCNT * tcp_keepintvl)
258
259	/** Default TCP socket options. */
260	#define so_options DO_KEEPALIVE
261
262	/** Default TCP MSS value. */
263	#define tcp_mssdflt TCP_MSS
264
265	/** Default TCP round trip time. */
266	#define tcp_rttdflt (TCPTV_SRTTDFLT / PR_SLOWHZ)
267
268	/** Enable RFC1323 performance enhancements.
269	* @todo check if it really works, it was turned off before. */
270	#define tcp_do_rfc1323 1
271
272	/** TCP receive buffer size. */
273	#define tcp_rcvspace pData->tcp_rcvspace
274
275	/** TCP receive buffer size. */
276	#define tcp_sndspace pData->tcp_sndspace
277
278	/* TCP duplicate ACK retransmit threshold. */
279	#define tcprexmtthresh 3
280
281
282	#define bootp_filename pData->bootp_filename
283	#define bootp_clients pData->bootp_clients
284
285	#define if_mtu pData->if_mtu
286	#define if_mru pData->if_mru
287	#define if_comp pData->if_comp
288	#define if_maxlinkhdr pData->if_maxlinkhdr
289	#define if_queued pData->if_queued
290	#define if_thresh pData->if_thresh
291	#define if_fastq pData->if_fastq
292	#define if_batchq pData->if_batchq
293	#define next_m pData->next_m
294
295	#define icmpstat pData->icmpstat
296
297	#define ipstat pData->ipstat
298	#define ipq pData->ipq
299	#define ip_currid pData->ip_currid
300
301	#define mbuf_alloced pData->mbuf_alloced
302	#define mbuf_max pData->mbuf_max
303	#define msize pData->msize
304	#define m_freelist pData->m_freelist
305	#define m_usedlist pData->m_usedlist
306
307	#define curtime pData->curtime
308	#define time_fasttimo pData->time_fasttimo
309	#define last_slowtimo pData->last_slowtimo
310	#define do_slowtimo pData->do_slowtimo
311	#define link_up pData->link_up
312	#define cUsers pData->cUsers
313	#define tt pData->tt
314	#define our_addr pData->our_addr
315	#ifndef VBOX_SLIRP_ALIAS
316	# define alias_addr pData->alias_addr
317	#endif
318	#define special_addr pData->special_addr
319	#define dns_addr pData->dns_addr
320	#define loopback_addr pData->loopback_addr
321	#define client_ethaddr pData->client_ethaddr
322	#define exec_list pData->exec_list
323	#define slirp_hostname pData->slirp_hostname
324
325	#define tcb pData->tcb
326	#define tcp_last_so pData->tcp_last_so
327	#define tcp_iss pData->tcp_iss
328
329	#define tcpstat pData->tcpstat
330	#define tcp_now pData->tcp_now
331
332	#define tftp_sessions pData->tftp_sessions
333	#define tftp_prefix pData->tftp_prefix
334
335	#define udpstat pData->udpstat
336	#define udb pData->udb
337	#define udp_last_so pData->udp_last_so
338
339	#define maxfragsperpacket pData->maxfragsperpacket
340	#define maxnipq pData->maxnipq
341	#define nipq pData->nipq
342
343	#define tcp_reass_qsize pData->tcp_reass_qsize
344	#define tcp_reass_maxqlen pData->tcp_reass_maxqlen
345	#define tcp_reass_maxseg pData->tcp_reass_maxseg
346	#define tcp_reass_overflows pData->tcp_reass_overflows
347
348	#define queue_tcp_label tcb
349	#define queue_udp_label udb
350	#define VBOX_X2(x) x
351	#define VBOX_X(x) VBOX_X2(x)
352
353	#ifdef VBOX_WITH_SLIRP_MT
354
355	# define QSOCKET_LOCK(queue) \
356	do { \
357	int rc; \
358	/* Assert(strcmp(RTThreadSelfName(), "EMT") != 0); */ \
359	rc = RTCritSectEnter(&VBOX_X(queue) ## _mutex); \
360	AssertReleaseRC(rc); \
361	} while (0)
362	# define QSOCKET_UNLOCK(queue) \
363	do { \
364	int rc; \
365	rc = RTCritSectLeave(&VBOX_X(queue) ## _mutex); \
366	AssertReleaseRC(rc); \
367	} while (0)
368	# define QSOCKET_LOCK_CREATE(queue) \
369	do { \
370	int rc; \
371	rc = RTCritSectInit(&pData->queue ## _mutex); \
372	AssertReleaseRC(rc); \
373	} while (0)
374	# define QSOCKET_LOCK_DESTROY(queue) \
375	do { \
376	int rc = RTCritSectDelete(&pData->queue ## _mutex); \
377	AssertReleaseRC(rc); \
378	} while (0)
379
380	# define QSOCKET_FOREACH(so, sonext, label) \
381	QSOCKET_LOCK(VBOX_X2(queue_## label ## _label)); \
382	(so) = (VBOX_X(queue_ ## label ## _label)).so_next; \
383	QSOCKET_UNLOCK(VBOX_X2(queue_## label ##_label)); \
384	if ((so) != &(VBOX_X(queue_## label ## _label))) SOCKET_LOCK((so));\
385	for (;;) \
386	{ \
387	if ((so) == &(VBOX_X(queue_## label ## _label))) \
388	{ \
389	break; \
390	} \
391	Log2(("%s:%d Processing so:%R[natsock]\n", __FUNCTION__, __LINE__, (so)));
392
393	# define CONTINUE_NO_UNLOCK(label) goto loop_end_ ## label ## _mt_nounlock
394	# define CONTINUE(label) goto loop_end_ ## label ## _mt
395	/* @todo replace queue parameter with macrodinition */
396	/* _mt_nounlock - user should lock so_next before calling CONTINUE_NO_UNLOCK */
397	# define LOOP_LABEL(label, so, sonext) loop_end_ ## label ## _mt: \
398	(sonext) = (so)->so_next; \
399	SOCKET_UNLOCK(so); \
400	QSOCKET_LOCK(VBOX_X(queue_ ## label ## _label)); \
401	if ((sonext) != &(VBOX_X(queue_## label ## _label))) \
402	{ \
403	SOCKET_LOCK((sonext)); \
404	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
405	} \
406	else \
407	{ \
408	so = &VBOX_X(queue_ ## label ## _label); \
409	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
410	break; \
411	} \
412	(so) = (sonext); \
413	continue; \
414	loop_end_ ## label ## _mt_nounlock: \
415	(so) = (sonext)
416
417	# define DO_TCP_OUTPUT(data, sotcb) \
418	do { \
419	PRTREQ pReq = NULL; \
420	int rc; \
421	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
422	AssertReleaseRC(rc); \
423	pReq->u.Internal.pfn = (PFNRT)tcp_output; \
424	pReq->u.Internal.cArgs = 2; \
425	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
426	pReq->u.Internal.aArgs[1] = (uintptr_t)(sotcb); \
427	pReq->fFlags = RTREQFLAGS_VOID; \
428	rc = RTReqQueue(pReq, 0); \
429	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
430	{ \
431	SOCKET_UNLOCK(so); \
432	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
433	AssertReleaseRC(rc); \
434	SOCKET_LOCK(so); \
435	RTReqFree(pReq); \
436	} \
437	else \
438	AssertReleaseRC(rc); \
439	} while(0)
440
441	# define DO_TCP_INPUT(data, mbuf, size, so) \
442	do { \
443	PRTREQ pReq = NULL; \
444	int rc; \
445	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
446	AssertReleaseRC(rc); \
447	pReq->u.Internal.pfn = (PFNRT)tcp_input; \
448	pReq->u.Internal.cArgs = 4; \
449	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
450	pReq->u.Internal.aArgs[1] = (uintptr_t)(mbuf); \
451	pReq->u.Internal.aArgs[2] = (uintptr_t)(size); \
452	pReq->u.Internal.aArgs[3] = (uintptr_t)(so); \
453	pReq->fFlags = RTREQFLAGS_VOID\|RTREQFLAGS_NO_WAIT; \
454	rc = RTReqQueue(pReq, 0); \
455	AssertReleaseRC(rc); \
456	} while(0)
457
458	# define DO_TCP_CONNECT(data, so) \
459	do { \
460	PRTREQ pReq = NULL; \
461	int rc; \
462	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
463	AssertReleaseRC(rc); \
464	pReq->u.Internal.pfn = (PFNRT)tcp_connect; \
465	pReq->u.Internal.cArgs = 2; \
466	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
467	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
468	pReq->fFlags = RTREQFLAGS_VOID; \
469	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
470	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
471	{ \
472	SOCKET_UNLOCK(so); \
473	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
474	AssertReleaseRC(rc); \
475	SOCKET_LOCK(so); \
476	RTReqFree(pReq); \
477	} \
478	else \
479	AssertReleaseRC(rc); \
480	} while(0)
481
482	# define DO_SOREAD(ret, data, so, ifclose) \
483	do { \
484	PRTREQ pReq = NULL; \
485	int rc; \
486	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
487	AssertReleaseRC(rc); \
488	pReq->u.Internal.pfn = (PFNRT)soread_queue; \
489	pReq->u.Internal.cArgs = 4; \
490	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
491	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
492	pReq->u.Internal.aArgs[2] = (uintptr_t)(ifclose); \
493	pReq->u.Internal.aArgs[3] = (uintptr_t)&(ret); \
494	pReq->fFlags = RTREQFLAGS_VOID; \
495	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
496	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
497	{ \
498	SOCKET_UNLOCK(so); \
499	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
500	AssertReleaseRC(rc); \
501	SOCKET_LOCK(so); \
502	RTReqFree(pReq); \
503	} \
504	else \
505	AssertReleaseRC(rc); \
506	} while(0)
507
508	# define DO_SOWRITE(ret, data, so) \
509	do { \
510	PRTREQ pReq = NULL; \
511	int rc; \
512	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
513	AssertReleaseRC(rc); \
514	pReq->u.Internal.pfn = (PFNRT)sowrite; \
515	pReq->u.Internal.cArgs = 2; \
516	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
517	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
518	pReq->fFlags = RTREQFLAGS_RETURN_MASK; \
519	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
520	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
521	{ \
522	SOCKET_UNLOCK(so); \
523	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
524	SOCKET_LOCK(so); \
525	ret = pReq->iStatus; \
526	RTReqFree(pReq); \
527	} \
528	else \
529	AssertReleaseRC(rc); \
530	} while(0)
531
532	# define DO_SORECFROM(data, so) \
533	do { \
534	PRTREQ pReq = NULL; \
535	int rc; \
536	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
537	AssertReleaseRC(rc); \
538	pReq->u.Internal.pfn = (PFNRT)sorecvfrom; \
539	pReq->u.Internal.cArgs = 2; \
540	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
541	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
542	pReq->fFlags = RTREQFLAGS_VOID; \
543	rc = RTReqQueue(pReq, 0); \
544	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
545	{ \
546	SOCKET_UNLOCK(so); \
547	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
548	AssertReleaseRC(rc); \
549	SOCKET_LOCK(so); \
550	RTReqFree(pReq); \
551	} \
552	else \
553	AssertReleaseRC(rc); \
554	} while(0)
555
556	# define DO_UDP_DETACH(data, so, so_next) \
557	do { \
558	PRTREQ pReq = NULL; \
559	int rc; \
560	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
561	AssertReleaseRC(rc); \
562	pReq->u.Internal.pfn = (PFNRT)udp_detach; \
563	pReq->u.Internal.cArgs = 2; \
564	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
565	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
566	pReq->fFlags = RTREQFLAGS_VOID; \
567	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
568	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
569	{ \
570	SOCKET_UNLOCK(so); \
571	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
572	AssertReleaseRC(rc); \
573	if ((so_next) != &udb) SOCKET_LOCK((so_next)); \
574	RTReqFree(pReq); \
575	} \
576	else \
577	AssertReleaseRC(rc); \
578	} while(0)
579
580	# define SOLOOKUP(so, label, src, sport, dst, dport) \
581	do { \
582	struct socket *sonxt; \
583	(so) = NULL; \
584	QSOCKET_FOREACH(so, sonxt, label) \
585	/* { */ \
586	if ( so->so_lport == (sport) \
587	&& so->so_laddr.s_addr == (src).s_addr \
588	&& so->so_faddr.s_addr == (dst).s_addr \
589	&& so->so_fport == (dport)) \
590	{ \
591	if (sonxt != &VBOX_X2(queue_ ## label ## _label)) \
592	SOCKET_UNLOCK(sonxt); \
593	break; /so is locked/ \
594	} \
595	LOOP_LABEL(so, sonxt, label); \
596	} \
597	} \
598	} while (0)
599
600	#else /* !VBOX_WITH_SLIRP_MT */
601
602	# define QSOCKET_LOCK(queue) do {} while (0)
603	# define QSOCKET_UNLOCK(queue) do {} while (0)
604	# define QSOCKET_LOCK_CREATE(queue) do {} while (0)
605	# define QSOCKET_LOCK_DESTROY(queue) do {} while (0)
606	# define QSOCKET_FOREACH(so, sonext, label) \
607	for ((so) = VBOX_X2(queue_ ## label ## _label).so_next; \
608	(so) != &(VBOX_X2(queue_ ## label ## _label)); \
609	(so) = (sonext)) \
610	{ \
611	(sonext) = (so)->so_next;
612	# define CONTINUE(label) continue
613	# define CONTINUE_NO_UNLOCK(label) continue
614	# define LOOP_LABEL(label, so, sonext) /* empty*/
615	# define DO_TCP_OUTPUT(data, sotcb) tcp_output((data), (sotcb))
616	# define DO_TCP_INPUT(data, mbuf, size, so) tcp_input((data), (mbuf), (size), (so))
617	# define DO_TCP_CONNECT(data, so) tcp_connect((data), (so))
618	# define DO_SOREAD(ret, data, so, ifclose) \
619	do { \
620	(ret) = soread((data), (so), (ifclose)); \
621	} while(0)
622	# define DO_SOWRITE(ret, data, so) \
623	do { \
624	(ret) = sowrite((data), (so)); \
625	} while(0)
626	# define DO_SORECFROM(data, so) sorecvfrom((data), (so))
627	# define SOLOOKUP(so, label, src, sport, dst, dport) \
628	do { \
629	(so) = solookup(&VBOX_X2(queue_ ## label ## _label), (src), (sport), (dst), (dport)); \
630	} while (0)
631	# define DO_UDP_DETACH(data, so, ignored) udp_detach((data), (so))
632
633	#endif /* !VBOX_WITH_SLIRP_MT */
634
635	#define TCP_OUTPUT(data, sotcb) DO_TCP_OUTPUT((data), (sotcb))
636	#define TCP_INPUT(data, mbuf, size, so) DO_TCP_INPUT((data), (mbuf), (size), (so))
637	#define TCP_CONNECT(data, so) DO_TCP_CONNECT((data), (so))
638	#define SOREAD(ret, data, so, ifclose) DO_SOREAD((ret), (data), (so), (ifclose))
639	#define SOWRITE(ret, data, so) DO_SOWRITE((ret), (data), (so))
640	#define SORECVFROM(data, so) DO_SORECFROM((data), (so))
641	#define UDP_DETACH(data, so, so_next) DO_UDP_DETACH((data), (so), (so_next))
642
643	/* dnsproxy/dnsproxy.c */
644	#define authoritative_port pData->authoritative_port
645	#define authoritative_timeout pData->authoritative_timeout
646	#define recursive_port pData->recursive_port
647	#define recursive_timeout pData->recursive_timeout
648	#define stats_timeout pData->stats_timeout
649	/* dnsproxy/hash.c */
650	#define dns_port pData->port
651	#define request_hash pData->request_hash
652	#define hash_collisions pData->hash_collisions
653	#define active_queries pData->active_queries
654	#define all_queries pData->all_queries
655	#define authoritative_queries pData->authoritative_queries
656	#define recursive_queries pData->recursive_queries
657	#define removed_queries pData->removed_queries
658	#define dropped_queries pData->dropped_queries
659	#define answered_queries pData->answered_queries
660	#define dropped_answers pData->dropped_answers
661	#define late_answers pData->late_answers
662
663	/* dnsproxy/dnsproxy.c */
664	#define queryid pData->queryid
665	#define authoritative_addr pData->authoritative_addr
666	#define recursive_addr pData->recursive_addr
667	#define sock_query pData->sock_query
668	#define sock_answer pData->sock_answer
669
670	#ifdef VBOX_WITH_SLIRP_ALIAS
671	# define instancehead pData->instancehead
672	#endif
673
674	#endif /* !___slirp_state_h */

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source: vbox/trunk/src/VBox/Devices/Network/slirp/slirp_state.h@ 21101

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