slirp_state.h@ 20350

Last change on this file since 20350 was 20350, checked in by vboxsync, 16 years ago
NAT: make counters registration easier
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	#ifdef VBOX_WITH_STATISTICS
234	# define PROFILE_COUNTER(name, dsc) STAMPROFILE Stat ## name
235	# define COUNTING_COUTER(name, dsc) STAMCOUNTER Stat ## name
236
237
238	#include "counters.h"
239
240
241	#undef PROFILE_COUNTER
242	#undef COUNTING_COUTER
243	#endif
244
245	} NATState;
246
247
248	/** Default IP time to live. */
249	#define ip_defttl IPDEFTTL
250
251	/** Number of permanent buffers in mbuf. */
252	#define mbuf_thresh 30
253
254	/** Use a fixed time before sending keepalive. */
255	#define tcp_keepidle TCPTV_KEEP_IDLE
256
257	/** Use a fixed interval between keepalive. */
258	#define tcp_keepintvl TCPTV_KEEPINTVL
259
260	/** Maximum idle time before timing out a connection. */
261	#define tcp_maxidle (TCPTV_KEEPCNT * tcp_keepintvl)
262
263	/** Default TCP socket options. */
264	#define so_options DO_KEEPALIVE
265
266	/** Default TCP MSS value. */
267	#define tcp_mssdflt TCP_MSS
268
269	/** Default TCP round trip time. */
270	#define tcp_rttdflt (TCPTV_SRTTDFLT / PR_SLOWHZ)
271
272	/** Enable RFC1323 performance enhancements.
273	* @todo check if it really works, it was turned off before. */
274	#define tcp_do_rfc1323 1
275
276	/** TCP receive buffer size. */
277	#define tcp_rcvspace TCP_RCVSPACE
278
279	/** TCP receive buffer size. */
280	#define tcp_sndspace TCP_SNDSPACE
281
282	/* TCP duplicate ACK retransmit threshold. */
283	#define tcprexmtthresh 3
284
285
286	#define bootp_filename pData->bootp_filename
287	#define bootp_clients pData->bootp_clients
288
289	#define if_mtu pData->if_mtu
290	#define if_mru pData->if_mru
291	#define if_comp pData->if_comp
292	#define if_maxlinkhdr pData->if_maxlinkhdr
293	#define if_queued pData->if_queued
294	#define if_thresh pData->if_thresh
295	#define if_fastq pData->if_fastq
296	#define if_batchq pData->if_batchq
297	#define next_m pData->next_m
298
299	#define icmpstat pData->icmpstat
300
301	#define ipstat pData->ipstat
302	#define ipq pData->ipq
303	#define ip_currid pData->ip_currid
304
305	#define mbuf_alloced pData->mbuf_alloced
306	#define mbuf_max pData->mbuf_max
307	#define msize pData->msize
308	#define m_freelist pData->m_freelist
309	#define m_usedlist pData->m_usedlist
310
311	#define curtime pData->curtime
312	#define time_fasttimo pData->time_fasttimo
313	#define last_slowtimo pData->last_slowtimo
314	#define do_slowtimo pData->do_slowtimo
315	#define link_up pData->link_up
316	#define cUsers pData->cUsers
317	#define tt pData->tt
318	#define our_addr pData->our_addr
319	#ifndef VBOX_SLIRP_ALIAS
320	# define alias_addr pData->alias_addr
321	#endif
322	#define special_addr pData->special_addr
323	#define dns_addr pData->dns_addr
324	#define loopback_addr pData->loopback_addr
325	#define client_ethaddr pData->client_ethaddr
326	#define exec_list pData->exec_list
327	#define slirp_hostname pData->slirp_hostname
328
329	#define tcb pData->tcb
330	#define tcp_last_so pData->tcp_last_so
331	#define tcp_iss pData->tcp_iss
332
333	#define tcpstat pData->tcpstat
334	#define tcp_now pData->tcp_now
335
336	#define tftp_sessions pData->tftp_sessions
337	#define tftp_prefix pData->tftp_prefix
338
339	#define udpstat pData->udpstat
340	#define udb pData->udb
341	#define udp_last_so pData->udp_last_so
342
343	#define maxfragsperpacket pData->maxfragsperpacket
344	#define maxnipq pData->maxnipq
345	#define nipq pData->nipq
346
347	#define tcp_reass_qsize pData->tcp_reass_qsize
348	#define tcp_reass_maxqlen pData->tcp_reass_maxqlen
349	#define tcp_reass_maxseg pData->tcp_reass_maxseg
350	#define tcp_reass_overflows pData->tcp_reass_overflows
351
352	#define queue_tcp_label tcb
353	#define queue_udp_label udb
354	#define VBOX_X2(x) x
355	#define VBOX_X(x) VBOX_X2(x)
356	#define VBOX_STR2(x) #x
357	#define VBOX_STR(x) VBOX_STR2(x)
358
359	#ifdef VBOX_WITH_SLIRP_MT
360
361	# define QSOCKET_LOCK(queue) \
362	do { \
363	int rc; \
364	/* Assert(strcmp(RTThreadSelfName(), "EMT") != 0); */ \
365	rc = RTCritSectEnter(&VBOX_X(queue) ## _mutex); \
366	AssertReleaseRC(rc); \
367	} while (0)
368	# define QSOCKET_UNLOCK(queue) \
369	do { \
370	int rc; \
371	rc = RTCritSectLeave(&VBOX_X(queue) ## _mutex); \
372	AssertReleaseRC(rc); \
373	} while (0)
374	# define QSOCKET_LOCK_CREATE(queue) \
375	do { \
376	int rc; \
377	rc = RTCritSectInit(&pData->queue ## _mutex); \
378	AssertReleaseRC(rc); \
379	} while (0)
380	# define QSOCKET_LOCK_DESTROY(queue) \
381	do { \
382	int rc = RTCritSectDelete(&pData->queue ## _mutex); \
383	AssertReleaseRC(rc); \
384	} while (0)
385
386	# define QSOCKET_FOREACH(so, sonext, label) \
387	QSOCKET_LOCK(VBOX_X2(queue_## label ## _label)); \
388	(so) = (VBOX_X(queue_ ## label ## _label)).so_next; \
389	QSOCKET_UNLOCK(VBOX_X2(queue_## label ##_label)); \
390	if ((so) != &(VBOX_X(queue_## label ## _label))) SOCKET_LOCK((so));\
391	for (;;) \
392	{ \
393	if ((so) == &(VBOX_X(queue_## label ## _label))) \
394	{ \
395	break; \
396	} \
397	Log2(("%s:%d Processing so:%R[natsock]\n", __FUNCTION__, __LINE__, (so)));
398
399	# define CONTINUE_NO_UNLOCK(label) goto loop_end_ ## label ## _mt_nounlock
400	# define CONTINUE(label) goto loop_end_ ## label ## _mt
401	/* @todo replace queue parameter with macrodinition */
402	/* _mt_nounlock - user should lock so_next before calling CONTINUE_NO_UNLOCK */
403	# define LOOP_LABEL(label, so, sonext) loop_end_ ## label ## _mt: \
404	(sonext) = (so)->so_next; \
405	SOCKET_UNLOCK(so); \
406	QSOCKET_LOCK(VBOX_X(queue_ ## label ## _label)); \
407	if ((sonext) != &(VBOX_X(queue_## label ## _label))) \
408	{ \
409	SOCKET_LOCK((sonext)); \
410	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
411	} \
412	else \
413	{ \
414	so = &VBOX_X(queue_ ## label ## _label); \
415	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
416	break; \
417	} \
418	(so) = (sonext); \
419	continue; \
420	loop_end_ ## label ## _mt_nounlock: \
421	(so) = (sonext)
422
423	# define DO_TCP_OUTPUT(data, sotcb) \
424	do { \
425	PRTREQ pReq = NULL; \
426	int rc; \
427	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
428	AssertReleaseRC(rc); \
429	pReq->u.Internal.pfn = (PFNRT)tcp_output; \
430	pReq->u.Internal.cArgs = 2; \
431	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
432	pReq->u.Internal.aArgs[1] = (uintptr_t)(sotcb); \
433	pReq->fFlags = RTREQFLAGS_VOID; \
434	rc = RTReqQueue(pReq, 0); \
435	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
436	{ \
437	SOCKET_UNLOCK(so); \
438	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
439	AssertReleaseRC(rc); \
440	SOCKET_LOCK(so); \
441	RTReqFree(pReq); \
442	} \
443	else \
444	AssertReleaseRC(rc); \
445	} while(0)
446
447	# define DO_TCP_INPUT(data, mbuf, size, so) \
448	do { \
449	PRTREQ pReq = NULL; \
450	int rc; \
451	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
452	AssertReleaseRC(rc); \
453	pReq->u.Internal.pfn = (PFNRT)tcp_input; \
454	pReq->u.Internal.cArgs = 4; \
455	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
456	pReq->u.Internal.aArgs[1] = (uintptr_t)(mbuf); \
457	pReq->u.Internal.aArgs[2] = (uintptr_t)(size); \
458	pReq->u.Internal.aArgs[3] = (uintptr_t)(so); \
459	pReq->fFlags = RTREQFLAGS_VOID\|RTREQFLAGS_NO_WAIT; \
460	rc = RTReqQueue(pReq, 0); \
461	AssertReleaseRC(rc); \
462	} while(0)
463
464	# define DO_TCP_CONNECT(data, so) \
465	do { \
466	PRTREQ pReq = NULL; \
467	int rc; \
468	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
469	AssertReleaseRC(rc); \
470	pReq->u.Internal.pfn = (PFNRT)tcp_connect; \
471	pReq->u.Internal.cArgs = 2; \
472	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
473	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
474	pReq->fFlags = RTREQFLAGS_VOID; \
475	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
476	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
477	{ \
478	SOCKET_UNLOCK(so); \
479	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
480	AssertReleaseRC(rc); \
481	SOCKET_LOCK(so); \
482	RTReqFree(pReq); \
483	} \
484	else \
485	AssertReleaseRC(rc); \
486	} while(0)
487
488	# define DO_SOREAD(ret, data, so, ifclose) \
489	do { \
490	PRTREQ pReq = NULL; \
491	int rc; \
492	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
493	AssertReleaseRC(rc); \
494	pReq->u.Internal.pfn = (PFNRT)soread_queue; \
495	pReq->u.Internal.cArgs = 4; \
496	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
497	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
498	pReq->u.Internal.aArgs[2] = (uintptr_t)(ifclose); \
499	pReq->u.Internal.aArgs[3] = (uintptr_t)&(ret); \
500	pReq->fFlags = RTREQFLAGS_VOID; \
501	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
502	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
503	{ \
504	SOCKET_UNLOCK(so); \
505	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
506	AssertReleaseRC(rc); \
507	SOCKET_LOCK(so); \
508	RTReqFree(pReq); \
509	} \
510	else \
511	AssertReleaseRC(rc); \
512	} while(0)
513
514	# define DO_SOWRITE(ret, data, so) \
515	do { \
516	PRTREQ pReq = NULL; \
517	int rc; \
518	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
519	AssertReleaseRC(rc); \
520	pReq->u.Internal.pfn = (PFNRT)sowrite; \
521	pReq->u.Internal.cArgs = 2; \
522	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
523	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
524	pReq->fFlags = RTREQFLAGS_RETURN_MASK; \
525	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
526	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
527	{ \
528	SOCKET_UNLOCK(so); \
529	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
530	SOCKET_LOCK(so); \
531	ret = pReq->iStatus; \
532	RTReqFree(pReq); \
533	} \
534	else \
535	AssertReleaseRC(rc); \
536	} while(0)
537
538	# define DO_SORECFROM(data, so) \
539	do { \
540	PRTREQ pReq = NULL; \
541	int rc; \
542	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
543	AssertReleaseRC(rc); \
544	pReq->u.Internal.pfn = (PFNRT)sorecvfrom; \
545	pReq->u.Internal.cArgs = 2; \
546	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
547	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
548	pReq->fFlags = RTREQFLAGS_VOID; \
549	rc = RTReqQueue(pReq, 0); \
550	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
551	{ \
552	SOCKET_UNLOCK(so); \
553	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
554	AssertReleaseRC(rc); \
555	SOCKET_LOCK(so); \
556	RTReqFree(pReq); \
557	} \
558	else \
559	AssertReleaseRC(rc); \
560	} while(0)
561
562	# define DO_UDP_DETACH(data, so, so_next) \
563	do { \
564	PRTREQ pReq = NULL; \
565	int rc; \
566	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
567	AssertReleaseRC(rc); \
568	pReq->u.Internal.pfn = (PFNRT)udp_detach; \
569	pReq->u.Internal.cArgs = 2; \
570	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
571	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
572	pReq->fFlags = RTREQFLAGS_VOID; \
573	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
574	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
575	{ \
576	SOCKET_UNLOCK(so); \
577	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
578	AssertReleaseRC(rc); \
579	if ((so_next) != &udb) SOCKET_LOCK((so_next)); \
580	RTReqFree(pReq); \
581	} \
582	else \
583	AssertReleaseRC(rc); \
584	} while(0)
585
586	# define SOLOOKUP(so, label, src, sport, dst, dport) \
587	do { \
588	struct socket *sonxt; \
589	(so) = NULL; \
590	QSOCKET_FOREACH(so, sonxt, label) \
591	/* { */ \
592	if ( so->so_lport == (sport) \
593	&& so->so_laddr.s_addr == (src).s_addr \
594	&& so->so_faddr.s_addr == (dst).s_addr \
595	&& so->so_fport == (dport)) \
596	{ \
597	if (sonxt != &VBOX_X2(queue_ ## label ## _label)) \
598	SOCKET_UNLOCK(sonxt); \
599	break; /so is locked/ \
600	} \
601	LOOP_LABEL(so, sonxt, label); \
602	} \
603	} \
604	} while (0)
605
606	#else /* !VBOX_WITH_SLIRP_MT */
607
608	# define QSOCKET_LOCK(queue) do {} while (0)
609	# define QSOCKET_UNLOCK(queue) do {} while (0)
610	# define QSOCKET_LOCK_CREATE(queue) do {} while (0)
611	# define QSOCKET_LOCK_DESTROY(queue) do {} while (0)
612	# define QSOCKET_FOREACH(so, sonext, label) \
613	for ((so) = VBOX_X2(queue_ ## label ## _label).so_next; \
614	(so) != &(VBOX_X2(queue_ ## label ## _label)); \
615	(so) = (sonext)) \
616	{ \
617	(sonext) = (so)->so_next;
618	# define CONTINUE(label) continue
619	# define CONTINUE_NO_UNLOCK(label) continue
620	# define LOOP_LABEL(label, so, sonext) /* empty*/
621	# define DO_TCP_OUTPUT(data, sotcb) tcp_output((data), (sotcb))
622	# define DO_TCP_INPUT(data, mbuf, size, so) tcp_input((data), (mbuf), (size), (so))
623	# define DO_TCP_CONNECT(data, so) tcp_connect((data), (so))
624	# define DO_SOREAD(ret, data, so, ifclose) \
625	do { \
626	(ret) = soread((data), (so), (ifclose)); \
627	} while(0)
628	# define DO_SOWRITE(ret, data, so) \
629	do { \
630	(ret) = sowrite((data), (so)); \
631	} while(0)
632	# define DO_SORECFROM(data, so) sorecvfrom((data), (so))
633	# define SOLOOKUP(so, label, src, sport, dst, dport) \
634	do { \
635	(so) = solookup(&VBOX_X2(queue_ ## label ## _label), (src), (sport), (dst), (dport)); \
636	} while (0)
637	# define DO_UDP_DETACH(data, so, ignored) udp_detach((data), (so))
638
639	#endif /* !VBOX_WITH_SLIRP_MT */
640
641	#define TCP_OUTPUT(data, sotcb) DO_TCP_OUTPUT((data), (sotcb))
642	#define TCP_INPUT(data, mbuf, size, so) DO_TCP_INPUT((data), (mbuf), (size), (so))
643	#define TCP_CONNECT(data, so) DO_TCP_CONNECT((data), (so))
644	#define SOREAD(ret, data, so, ifclose) DO_SOREAD((ret), (data), (so), (ifclose))
645	#define SOWRITE(ret, data, so) DO_SOWRITE((ret), (data), (so))
646	#define SORECVFROM(data, so) DO_SORECFROM((data), (so))
647	#define UDP_DETACH(data, so, so_next) DO_UDP_DETACH((data), (so), (so_next))
648
649	#ifdef VBOX_WITH_SLIRP_DNS_PROXY
650	/* dnsproxy/dnsproxy.c */
651	# define authoritative_port pData->authoritative_port
652	# define authoritative_timeout pData->authoritative_timeout
653	# define recursive_port pData->recursive_port
654	# define recursive_timeout pData->recursive_timeout
655	# define stats_timeout pData->stats_timeout
656	/* dnsproxy/hash.c */
657	# define dns_port pData->port
658	# define request_hash pData->request_hash
659	# define hash_collisions pData->hash_collisions
660	# define active_queries pData->active_queries
661	# define all_queries pData->all_queries
662	# define authoritative_queries pData->authoritative_queries
663	# define recursive_queries pData->recursive_queries
664	# define removed_queries pData->removed_queries
665	# define dropped_queries pData->dropped_queries
666	# define answered_queries pData->answered_queries
667	# define dropped_answers pData->dropped_answers
668	# define late_answers pData->late_answers
669
670	/* dnsproxy/dnsproxy.c */
671	# define queryid pData->queryid
672	# define authoritative_addr pData->authoritative_addr
673	# define recursive_addr pData->recursive_addr
674	# define sock_query pData->sock_query
675	# define sock_answer pData->sock_answer
676	#endif
677
678	#ifdef VBOX_WITH_SLIRP_ALIAS
679	# define instancehead pData->instancehead
680	#endif
681
682	#endif /* !_slirp_state_h_ */

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source: vbox/trunk/src/VBox/Devices/Network/slirp/slirp_state.h@ 20350

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