slirp_state.h@ 20376

Last change on this file since 20376 was 20351, checked in by vboxsync, 16 years ago
NAT: burn fix
Property svn:eol-style set to `native`
File size: 29.3 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	#ifdef VBOX_WITHOUT_SLIRP_CLIENT_ETHER
44	struct in_addr addr;
45	#endif
46	} BOOTPClient;
47
48
49	/** TFTP session entry. */
50	struct tftp_session
51	{
52	int in_use;
53	unsigned char filename[TFTP_FILENAME_MAX];
54
55	struct in_addr client_ip;
56	u_int16_t client_port;
57
58	int timestamp;
59	};
60
61	#ifdef VBOX_WITH_MULTI_DNS
62	struct dns_domain_entry
63	{
64	char *dd_pszDomain;
65	LIST_ENTRY(dns_domain_entry) dd_list;
66	};
67	LIST_HEAD(dns_domain_list_head, dns_domain_entry);
68
69	struct dns_entry
70	{
71	struct in_addr de_addr;
72	TAILQ_ENTRY(dns_entry) de_list;
73	};
74	TAILQ_HEAD(dns_list_head, dns_entry);
75	#endif
76
77	/** Main state/configuration structure for slirp NAT. */
78	typedef struct NATState
79	{
80	/* Stuff from boot.c */
81	BOOTPClient bootp_clients[NB_ADDR];
82	const char *bootp_filename;
83	/* Stuff from if.c */
84	int if_mtu, if_mru;
85	int if_comp;
86	int if_maxlinkhdr;
87	int if_queued;
88	int if_thresh;
89	struct mbuf if_fastq;
90	struct mbuf if_batchq;
91	struct mbuf *next_m;
92	/* Stuff from icmp.c */
93	struct icmpstat_t icmpstat;
94	/* Stuff from ip_input.c */
95	struct ipstat_t ipstat;
96	struct ipqhead ipq[IPREASS_NHASH];
97	int maxnipq; /* Administrative limit on # of reass queues*/
98	int maxfragsperpacket; /* Maximum number of IPv4 fragments allowed per packet */
99	int nipq; /* total number of reass queues */
100	uint16_t ip_currid;
101	/* Stuff from mbuf.c */
102	int mbuf_alloced, mbuf_max;
103	int msize;
104	struct mbuf m_freelist, m_usedlist;
105	/* Stuff from slirp.c */
106	void *pvUser;
107	uint32_t curtime;
108	uint32_t time_fasttimo;
109	uint32_t last_slowtimo;
110	bool do_slowtimo;
111	bool link_up;
112	struct timeval tt;
113	struct in_addr our_addr;
114	struct in_addr alias_addr;
115	struct in_addr special_addr;
116	#ifdef VBOX_WITH_SLIRP_MT
117	PRTREQQUEUE pReqQueue;
118	#endif
119	#ifndef VBOX_WITH_MULTI_DNS
120	struct in_addr dns_addr;
121	#else
122	# ifdef RT_OS_WINDOWS
123	ULONG (WINAPI * pfGetAdaptersAddresses)(ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG);
124	# endif
125	struct dns_list_head dns_list_head;
126	struct dns_domain_list_head dns_domain_list_head;
127	#endif
128	struct in_addr tftp_server;
129	struct in_addr loopback_addr;
130	uint32_t netmask;
131	#ifndef VBOX_WITHOUT_SLIRP_CLIENT_ETHER
132	uint8_t client_ethaddr[6];
133	#else
134	const uint8_t *slirp_ethaddr;
135	#endif
136	struct ex_list *exec_list;
137	char slirp_hostname[33];
138	bool fPassDomain;
139	#ifndef VBOX_WITH_MULTI_DNS
140	const char *pszDomain;
141	#endif
142	/* Stuff from tcp_input.c */
143	struct socket tcb;
144	#ifdef VBOX_WITH_SLIRP_MT
145	RTCRITSECT tcb_mutex;
146	#endif
147	struct socket *tcp_last_so;
148	tcp_seq tcp_iss;
149	/* Stuff from tcp_timer.c */
150	struct tcpstat_t tcpstat;
151	uint32_t tcp_now;
152	int tcp_reass_qsize;
153	int tcp_reass_maxqlen;
154	int tcp_reass_maxseg;
155	int tcp_reass_overflows;
156	/* Stuff from tftp.c */
157	struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
158	const char *tftp_prefix;
159	/* Stuff from udp.c */
160	struct udpstat_t udpstat;
161	struct socket udb;
162	#ifdef VBOX_WITH_SLIRP_MT
163	RTCRITSECT udb_mutex;
164	#endif
165	struct socket *udp_last_so;
166	struct socket icmp_socket;
167	struct icmp_storage icmp_msg_head;
168	# ifndef RT_OS_WINDOWS
169	/* counter of sockets needed for allocation enough room to
170	* process sockets with poll/epoll
171	*
172	* NSOCK_INC/DEC should be injected before every
173	* operation on socket queue (tcb, udb)
174	*/
175	int nsock;
176	# define NSOCK_INC() do {pData->nsock++;} while (0)
177	# define NSOCK_DEC() do {pData->nsock--;} while (0)
178	# else
179	# define NSOCK_INC() do {} while (0)
180	# define NSOCK_DEC() 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	#ifdef VBOX_WITH_SLIRP_DNS_PROXY
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	#endif
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_COUTER(name, dsc) STAMCOUNTER Stat ## name
235
236	#include "counters.h"
237
238	#undef PROFILE_COUNTER
239	#undef COUNTING_COUTER
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 TCP_RCVSPACE
274
275	/** TCP receive buffer size. */
276	#define tcp_sndspace 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	#define VBOX_STR2(x) #x
353	#define VBOX_STR(x) VBOX_STR2(x)
354
355	#ifdef VBOX_WITH_SLIRP_MT
356
357	# define QSOCKET_LOCK(queue) \
358	do { \
359	int rc; \
360	/* Assert(strcmp(RTThreadSelfName(), "EMT") != 0); */ \
361	rc = RTCritSectEnter(&VBOX_X(queue) ## _mutex); \
362	AssertReleaseRC(rc); \
363	} while (0)
364	# define QSOCKET_UNLOCK(queue) \
365	do { \
366	int rc; \
367	rc = RTCritSectLeave(&VBOX_X(queue) ## _mutex); \
368	AssertReleaseRC(rc); \
369	} while (0)
370	# define QSOCKET_LOCK_CREATE(queue) \
371	do { \
372	int rc; \
373	rc = RTCritSectInit(&pData->queue ## _mutex); \
374	AssertReleaseRC(rc); \
375	} while (0)
376	# define QSOCKET_LOCK_DESTROY(queue) \
377	do { \
378	int rc = RTCritSectDelete(&pData->queue ## _mutex); \
379	AssertReleaseRC(rc); \
380	} while (0)
381
382	# define QSOCKET_FOREACH(so, sonext, label) \
383	QSOCKET_LOCK(VBOX_X2(queue_## label ## _label)); \
384	(so) = (VBOX_X(queue_ ## label ## _label)).so_next; \
385	QSOCKET_UNLOCK(VBOX_X2(queue_## label ##_label)); \
386	if ((so) != &(VBOX_X(queue_## label ## _label))) SOCKET_LOCK((so));\
387	for (;;) \
388	{ \
389	if ((so) == &(VBOX_X(queue_## label ## _label))) \
390	{ \
391	break; \
392	} \
393	Log2(("%s:%d Processing so:%R[natsock]\n", __FUNCTION__, __LINE__, (so)));
394
395	# define CONTINUE_NO_UNLOCK(label) goto loop_end_ ## label ## _mt_nounlock
396	# define CONTINUE(label) goto loop_end_ ## label ## _mt
397	/* @todo replace queue parameter with macrodinition */
398	/* _mt_nounlock - user should lock so_next before calling CONTINUE_NO_UNLOCK */
399	# define LOOP_LABEL(label, so, sonext) loop_end_ ## label ## _mt: \
400	(sonext) = (so)->so_next; \
401	SOCKET_UNLOCK(so); \
402	QSOCKET_LOCK(VBOX_X(queue_ ## label ## _label)); \
403	if ((sonext) != &(VBOX_X(queue_## label ## _label))) \
404	{ \
405	SOCKET_LOCK((sonext)); \
406	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
407	} \
408	else \
409	{ \
410	so = &VBOX_X(queue_ ## label ## _label); \
411	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
412	break; \
413	} \
414	(so) = (sonext); \
415	continue; \
416	loop_end_ ## label ## _mt_nounlock: \
417	(so) = (sonext)
418
419	# define DO_TCP_OUTPUT(data, sotcb) \
420	do { \
421	PRTREQ pReq = NULL; \
422	int rc; \
423	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
424	AssertReleaseRC(rc); \
425	pReq->u.Internal.pfn = (PFNRT)tcp_output; \
426	pReq->u.Internal.cArgs = 2; \
427	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
428	pReq->u.Internal.aArgs[1] = (uintptr_t)(sotcb); \
429	pReq->fFlags = RTREQFLAGS_VOID; \
430	rc = RTReqQueue(pReq, 0); \
431	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
432	{ \
433	SOCKET_UNLOCK(so); \
434	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
435	AssertReleaseRC(rc); \
436	SOCKET_LOCK(so); \
437	RTReqFree(pReq); \
438	} \
439	else \
440	AssertReleaseRC(rc); \
441	} while(0)
442
443	# define DO_TCP_INPUT(data, mbuf, size, so) \
444	do { \
445	PRTREQ pReq = NULL; \
446	int rc; \
447	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
448	AssertReleaseRC(rc); \
449	pReq->u.Internal.pfn = (PFNRT)tcp_input; \
450	pReq->u.Internal.cArgs = 4; \
451	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
452	pReq->u.Internal.aArgs[1] = (uintptr_t)(mbuf); \
453	pReq->u.Internal.aArgs[2] = (uintptr_t)(size); \
454	pReq->u.Internal.aArgs[3] = (uintptr_t)(so); \
455	pReq->fFlags = RTREQFLAGS_VOID\|RTREQFLAGS_NO_WAIT; \
456	rc = RTReqQueue(pReq, 0); \
457	AssertReleaseRC(rc); \
458	} while(0)
459
460	# define DO_TCP_CONNECT(data, so) \
461	do { \
462	PRTREQ pReq = NULL; \
463	int rc; \
464	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
465	AssertReleaseRC(rc); \
466	pReq->u.Internal.pfn = (PFNRT)tcp_connect; \
467	pReq->u.Internal.cArgs = 2; \
468	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
469	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
470	pReq->fFlags = RTREQFLAGS_VOID; \
471	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
472	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
473	{ \
474	SOCKET_UNLOCK(so); \
475	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
476	AssertReleaseRC(rc); \
477	SOCKET_LOCK(so); \
478	RTReqFree(pReq); \
479	} \
480	else \
481	AssertReleaseRC(rc); \
482	} while(0)
483
484	# define DO_SOREAD(ret, data, so, ifclose) \
485	do { \
486	PRTREQ pReq = NULL; \
487	int rc; \
488	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
489	AssertReleaseRC(rc); \
490	pReq->u.Internal.pfn = (PFNRT)soread_queue; \
491	pReq->u.Internal.cArgs = 4; \
492	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
493	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
494	pReq->u.Internal.aArgs[2] = (uintptr_t)(ifclose); \
495	pReq->u.Internal.aArgs[3] = (uintptr_t)&(ret); \
496	pReq->fFlags = RTREQFLAGS_VOID; \
497	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
498	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
499	{ \
500	SOCKET_UNLOCK(so); \
501	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
502	AssertReleaseRC(rc); \
503	SOCKET_LOCK(so); \
504	RTReqFree(pReq); \
505	} \
506	else \
507	AssertReleaseRC(rc); \
508	} while(0)
509
510	# define DO_SOWRITE(ret, data, so) \
511	do { \
512	PRTREQ pReq = NULL; \
513	int rc; \
514	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
515	AssertReleaseRC(rc); \
516	pReq->u.Internal.pfn = (PFNRT)sowrite; \
517	pReq->u.Internal.cArgs = 2; \
518	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
519	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
520	pReq->fFlags = RTREQFLAGS_RETURN_MASK; \
521	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
522	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
523	{ \
524	SOCKET_UNLOCK(so); \
525	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
526	SOCKET_LOCK(so); \
527	ret = pReq->iStatus; \
528	RTReqFree(pReq); \
529	} \
530	else \
531	AssertReleaseRC(rc); \
532	} while(0)
533
534	# define DO_SORECFROM(data, so) \
535	do { \
536	PRTREQ pReq = NULL; \
537	int rc; \
538	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
539	AssertReleaseRC(rc); \
540	pReq->u.Internal.pfn = (PFNRT)sorecvfrom; \
541	pReq->u.Internal.cArgs = 2; \
542	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
543	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
544	pReq->fFlags = RTREQFLAGS_VOID; \
545	rc = RTReqQueue(pReq, 0); \
546	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
547	{ \
548	SOCKET_UNLOCK(so); \
549	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
550	AssertReleaseRC(rc); \
551	SOCKET_LOCK(so); \
552	RTReqFree(pReq); \
553	} \
554	else \
555	AssertReleaseRC(rc); \
556	} while(0)
557
558	# define DO_UDP_DETACH(data, so, so_next) \
559	do { \
560	PRTREQ pReq = NULL; \
561	int rc; \
562	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
563	AssertReleaseRC(rc); \
564	pReq->u.Internal.pfn = (PFNRT)udp_detach; \
565	pReq->u.Internal.cArgs = 2; \
566	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
567	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
568	pReq->fFlags = RTREQFLAGS_VOID; \
569	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
570	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
571	{ \
572	SOCKET_UNLOCK(so); \
573	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
574	AssertReleaseRC(rc); \
575	if ((so_next) != &udb) SOCKET_LOCK((so_next)); \
576	RTReqFree(pReq); \
577	} \
578	else \
579	AssertReleaseRC(rc); \
580	} while(0)
581
582	# define SOLOOKUP(so, label, src, sport, dst, dport) \
583	do { \
584	struct socket *sonxt; \
585	(so) = NULL; \
586	QSOCKET_FOREACH(so, sonxt, label) \
587	/* { */ \
588	if ( so->so_lport == (sport) \
589	&& so->so_laddr.s_addr == (src).s_addr \
590	&& so->so_faddr.s_addr == (dst).s_addr \
591	&& so->so_fport == (dport)) \
592	{ \
593	if (sonxt != &VBOX_X2(queue_ ## label ## _label)) \
594	SOCKET_UNLOCK(sonxt); \
595	break; /so is locked/ \
596	} \
597	LOOP_LABEL(so, sonxt, label); \
598	} \
599	} \
600	} while (0)
601
602	#else /* !VBOX_WITH_SLIRP_MT */
603
604	# define QSOCKET_LOCK(queue) do {} while (0)
605	# define QSOCKET_UNLOCK(queue) do {} while (0)
606	# define QSOCKET_LOCK_CREATE(queue) do {} while (0)
607	# define QSOCKET_LOCK_DESTROY(queue) do {} while (0)
608	# define QSOCKET_FOREACH(so, sonext, label) \
609	for ((so) = VBOX_X2(queue_ ## label ## _label).so_next; \
610	(so) != &(VBOX_X2(queue_ ## label ## _label)); \
611	(so) = (sonext)) \
612	{ \
613	(sonext) = (so)->so_next;
614	# define CONTINUE(label) continue
615	# define CONTINUE_NO_UNLOCK(label) continue
616	# define LOOP_LABEL(label, so, sonext) /* empty*/
617	# define DO_TCP_OUTPUT(data, sotcb) tcp_output((data), (sotcb))
618	# define DO_TCP_INPUT(data, mbuf, size, so) tcp_input((data), (mbuf), (size), (so))
619	# define DO_TCP_CONNECT(data, so) tcp_connect((data), (so))
620	# define DO_SOREAD(ret, data, so, ifclose) \
621	do { \
622	(ret) = soread((data), (so), (ifclose)); \
623	} while(0)
624	# define DO_SOWRITE(ret, data, so) \
625	do { \
626	(ret) = sowrite((data), (so)); \
627	} while(0)
628	# define DO_SORECFROM(data, so) sorecvfrom((data), (so))
629	# define SOLOOKUP(so, label, src, sport, dst, dport) \
630	do { \
631	(so) = solookup(&VBOX_X2(queue_ ## label ## _label), (src), (sport), (dst), (dport)); \
632	} while (0)
633	# define DO_UDP_DETACH(data, so, ignored) udp_detach((data), (so))
634
635	#endif /* !VBOX_WITH_SLIRP_MT */
636
637	#define TCP_OUTPUT(data, sotcb) DO_TCP_OUTPUT((data), (sotcb))
638	#define TCP_INPUT(data, mbuf, size, so) DO_TCP_INPUT((data), (mbuf), (size), (so))
639	#define TCP_CONNECT(data, so) DO_TCP_CONNECT((data), (so))
640	#define SOREAD(ret, data, so, ifclose) DO_SOREAD((ret), (data), (so), (ifclose))
641	#define SOWRITE(ret, data, so) DO_SOWRITE((ret), (data), (so))
642	#define SORECVFROM(data, so) DO_SORECFROM((data), (so))
643	#define UDP_DETACH(data, so, so_next) DO_UDP_DETACH((data), (so), (so_next))
644
645	#ifdef VBOX_WITH_SLIRP_DNS_PROXY
646	/* dnsproxy/dnsproxy.c */
647	# define authoritative_port pData->authoritative_port
648	# define authoritative_timeout pData->authoritative_timeout
649	# define recursive_port pData->recursive_port
650	# define recursive_timeout pData->recursive_timeout
651	# define stats_timeout pData->stats_timeout
652	/* dnsproxy/hash.c */
653	# define dns_port pData->port
654	# define request_hash pData->request_hash
655	# define hash_collisions pData->hash_collisions
656	# define active_queries pData->active_queries
657	# define all_queries pData->all_queries
658	# define authoritative_queries pData->authoritative_queries
659	# define recursive_queries pData->recursive_queries
660	# define removed_queries pData->removed_queries
661	# define dropped_queries pData->dropped_queries
662	# define answered_queries pData->answered_queries
663	# define dropped_answers pData->dropped_answers
664	# define late_answers pData->late_answers
665
666	/* dnsproxy/dnsproxy.c */
667	# define queryid pData->queryid
668	# define authoritative_addr pData->authoritative_addr
669	# define recursive_addr pData->recursive_addr
670	# define sock_query pData->sock_query
671	# define sock_answer pData->sock_answer
672	#endif
673
674	#ifdef VBOX_WITH_SLIRP_ALIAS
675	# define instancehead pData->instancehead
676	#endif
677
678	#endif /* !_slirp_state_h_ */

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source: vbox/trunk/src/VBox/Devices/Network/slirp/slirp_state.h@ 20376

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