slirp_state.h@ 22494

最後變更在這個檔案從22494是 22494,由 vboxsync 提交於 16 年前
NAT: some pollish of r51498
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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.alldomusa.eu.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
26	#define COUNTERS_INIT
27	#include "counters.h"
28
29	#include "ip_icmp.h"
30	#include "dnsproxy/dnsproxy.h"
31
32	/** Number of DHCP clients supported by NAT. */
33	#define NB_ADDR 16
34
35	/** Where to start DHCP IP number allocation. */
36	#define START_ADDR 15
37
38	/** DHCP Lease time. */
39	#define LEASE_TIME (24 * 3600)
40
41	/** TFTP session entry. */
42	struct tftp_session
43	{
44	int in_use;
45	unsigned char filename[TFTP_FILENAME_MAX];
46
47	struct in_addr client_ip;
48	u_int16_t client_port;
49
50	int timestamp;
51	};
52
53	struct dns_domain_entry
54	{
55	char *dd_pszDomain;
56	LIST_ENTRY(dns_domain_entry) dd_list;
57	};
58	LIST_HEAD(dns_domain_list_head, dns_domain_entry);
59
60	struct dns_entry
61	{
62	struct in_addr de_addr;
63	TAILQ_ENTRY(dns_entry) de_list;
64	};
65	TAILQ_HEAD(dns_list_head, dns_entry);
66
67	struct port_forward_rule
68	{
69	uint16_t proto;
70	uint16_t host_port;
71	uint16_t guest_port;
72	#ifndef VBOX_WITH_NAT_SERVICE
73	struct in_addr guest_addr;
74	#endif
75	struct in_addr bind_ip;
76	uint8_t mac_address[6]; /need ETH_ALEN here /
77	int activated;
78	LIST_ENTRY(port_forward_rule) list;
79	};
80	LIST_HEAD(port_forward_rule_list, port_forward_rule);
81
82	/* forward declaration */
83	struct proto_handler;
84
85	/** Main state/configuration structure for slirp NAT. */
86	typedef struct NATState
87	{
88	/* Stuff from boot.c */
89	BOOTPClient bootp_clients[NB_ADDR];
90	const char *bootp_filename;
91	/* Stuff from if.c */
92	int if_mtu, if_mru;
93	int if_comp;
94	int if_maxlinkhdr;
95	int if_queued;
96	int if_thresh;
97	struct mbuf if_fastq;
98	struct mbuf if_batchq;
99	struct mbuf *next_m;
100	/* Stuff from icmp.c */
101	struct icmpstat_t icmpstat;
102	/* Stuff from ip_input.c */
103	struct ipstat_t ipstat;
104	struct ipqhead ipq[IPREASS_NHASH];
105	int maxnipq; /* Administrative limit on # of reass queues*/
106	int maxfragsperpacket; /* Maximum number of IPv4 fragments allowed per packet */
107	int nipq; /* total number of reass queues */
108	uint16_t ip_currid;
109	/* Stuff from mbuf.c */
110	int mbuf_alloced, mbuf_max;
111	int msize;
112	struct mbuf m_freelist, m_usedlist;
113	/* Stuff from slirp.c */
114	void *pvUser;
115	uint32_t curtime;
116	uint32_t time_fasttimo;
117	uint32_t last_slowtimo;
118	bool do_slowtimo;
119	bool link_up;
120	struct timeval tt;
121	struct in_addr our_addr;
122	struct in_addr alias_addr;
123	struct in_addr special_addr;
124
125	int tcp_rcvspace;
126	int tcp_sndspace;
127	int socket_rcv;
128	int socket_snd;
129	#ifdef VBOX_WITH_SLIRP_MT
130	PRTREQQUEUE pReqQueue;
131	#endif
132	#ifdef RT_OS_WINDOWS
133	ULONG (WINAPI * pfGetAdaptersAddresses)(ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG);
134	#endif
135	struct dns_list_head dns_list_head;
136	struct dns_domain_list_head dns_domain_list_head;
137	struct in_addr tftp_server;
138	struct in_addr loopback_addr;
139	uint32_t netmask;
140	#ifndef VBOX_WITH_NAT_SERVICE
141	uint8_t client_ethaddr[6];
142	#endif
143	const uint8_t *slirp_ethaddr;
144	struct ex_list *exec_list;
145	char slirp_hostname[33];
146	bool fPassDomain;
147	struct in_addr bindIP;
148	/* Stuff from tcp_input.c */
149	struct socket tcb;
150	#ifdef VBOX_WITH_SLIRP_MT
151	RTCRITSECT tcb_mutex;
152	#endif
153	struct socket *tcp_last_so;
154	tcp_seq tcp_iss;
155	/* Stuff from tcp_timer.c */
156	struct tcpstat_t tcpstat;
157	uint32_t tcp_now;
158	int tcp_reass_qsize;
159	int tcp_reass_maxqlen;
160	int tcp_reass_maxseg;
161	int tcp_reass_overflows;
162	/* Stuff from tftp.c */
163	struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
164	const char *tftp_prefix;
165	/* Stuff from udp.c */
166	struct udpstat_t udpstat;
167	struct socket udb;
168	#ifdef VBOX_WITH_SLIRP_MT
169	RTCRITSECT udb_mutex;
170	#endif
171	struct socket *udp_last_so;
172	struct socket icmp_socket;
173	struct icmp_storage icmp_msg_head;
174	# ifndef RT_OS_WINDOWS
175	/* counter of sockets needed for allocation enough room to
176	* process sockets with poll/epoll
177	*
178	* NSOCK_INC/DEC should be injected before every
179	* operation on socket queue (tcb, udb)
180	*/
181	int nsock;
182	# define NSOCK_INC() do {pData->nsock++;} while (0)
183	# define NSOCK_DEC() do {pData->nsock--;} while (0)
184	# define NSOCK_INC_EX(ex) do {ex->pData->nsock++;} while (0)
185	# define NSOCK_DEC_EX(ex) do {ex->pData->nsock--;} while (0)
186	# else
187	# define NSOCK_INC() do {} while (0)
188	# define NSOCK_DEC() do {} while (0)
189	# define NSOCK_INC_EX(ex) do {} while (0)
190	# define NSOCK_DEC_EX(ex) do {} while (0)
191	# endif
192	# ifdef RT_OS_WINDOWS
193	void *pvIcmpBuffer;
194	size_t szIcmpBuffer;
195	/* Accordin MSDN specification IcmpParseReplies
196	* function should be detected in runtime
197	*/
198	long (WINAPI * pfIcmpParseReplies)(void *, long);
199	BOOL (WINAPI * pfIcmpCloseHandle)(HANDLE);
200	HMODULE hmIcmpLibrary;
201	# endif
202	#if defined(RT_OS_WINDOWS)
203	# define VBOX_SOCKET_EVENT (pData->phEvents[VBOX_SOCKET_EVENT_INDEX])
204	HANDLE phEvents[VBOX_EVENT_COUNT];
205	#endif
206
207	/* from dnsproxy/dnsproxy.h*/
208	unsigned int authoritative_port;
209	unsigned int authoritative_timeout;
210	unsigned int recursive_port;
211	unsigned int recursive_timeout;
212	unsigned int stats_timeout;
213	unsigned int port;
214
215	unsigned long active_queries;
216	unsigned long all_queries;
217	unsigned long authoritative_queries;
218	unsigned long recursive_queries;
219	unsigned long removed_queries;
220	unsigned long dropped_queries;
221	unsigned long answered_queries;
222	unsigned long dropped_answers;
223	unsigned long late_answers;
224	unsigned long hash_collisions;
225	/dnsproxy/dnsproxy.c/
226	unsigned short queryid;
227	struct sockaddr_in authoritative_addr;
228	struct sockaddr_in recursive_addr;
229	int sock_query;
230	int sock_answer;
231	/* dnsproxy/hash.c */
232	#define HASHSIZE 10
233	#define HASH(id) (id & ((1 << HASHSIZE) - 1))
234	struct request *request_hash[1 << HASHSIZE];
235	/* this field control behaviour of DHCP server */
236	bool use_dns_proxy;
237
238	LIST_HEAD(RT_NOTHING, libalias) instancehead;
239	struct libalias *proxy_alias;
240	LIST_HEAD(handler_chain, proto_handler) handler_chain;
241	struct port_forward_rule_list port_forward_rule_head;
242	int port_forwarding_activated;
243	/libalis modules' handlers/
244	struct proto_handler *ftp_module;
245	struct proto_handler *nbt_module;
246
247	#define PROFILE_COUNTER(name, dsc) STAMPROFILE Stat ## name
248	#define COUNTING_COUNTER(name, dsc) STAMCOUNTER Stat ## name
249
250	#include "counters.h"
251
252	} NATState;
253
254
255	/** Default IP time to live. */
256	#define ip_defttl IPDEFTTL
257
258	/** Number of permanent buffers in mbuf. */
259	#define mbuf_thresh 30
260
261	/** Use a fixed time before sending keepalive. */
262	#define tcp_keepidle TCPTV_KEEP_IDLE
263
264	/** Use a fixed interval between keepalive. */
265	#define tcp_keepintvl TCPTV_KEEPINTVL
266
267	/** Maximum idle time before timing out a connection. */
268	#define tcp_maxidle (TCPTV_KEEPCNT * tcp_keepintvl)
269
270	/** Default TCP socket options. */
271	#define so_options DO_KEEPALIVE
272
273	/** Default TCP MSS value. */
274	#define tcp_mssdflt TCP_MSS
275
276	/** Default TCP round trip time. */
277	#define tcp_rttdflt (TCPTV_SRTTDFLT / PR_SLOWHZ)
278
279	/** Enable RFC1323 performance enhancements.
280	* @todo check if it really works, it was turned off before. */
281	#define tcp_do_rfc1323 1
282
283	/** TCP receive buffer size. */
284	#define tcp_rcvspace pData->tcp_rcvspace
285
286	/** TCP receive buffer size. */
287	#define tcp_sndspace pData->tcp_sndspace
288
289	/* TCP duplicate ACK retransmit threshold. */
290	#define tcprexmtthresh 3
291
292
293	#define bootp_filename pData->bootp_filename
294	#define bootp_clients pData->bootp_clients
295
296	#define if_mtu pData->if_mtu
297	#define if_mru pData->if_mru
298	#define if_comp pData->if_comp
299	#define if_maxlinkhdr pData->if_maxlinkhdr
300	#define if_queued pData->if_queued
301	#define if_thresh pData->if_thresh
302	#define if_fastq pData->if_fastq
303	#define if_batchq pData->if_batchq
304	#define next_m pData->next_m
305
306	#define icmpstat pData->icmpstat
307
308	#define ipstat pData->ipstat
309	#define ipq pData->ipq
310	#define ip_currid pData->ip_currid
311
312	#define mbuf_alloced pData->mbuf_alloced
313	#define mbuf_max pData->mbuf_max
314	#define msize pData->msize
315	#define m_freelist pData->m_freelist
316	#define m_usedlist pData->m_usedlist
317
318	#define curtime pData->curtime
319	#define time_fasttimo pData->time_fasttimo
320	#define last_slowtimo pData->last_slowtimo
321	#define do_slowtimo pData->do_slowtimo
322	#define link_up pData->link_up
323	#define cUsers pData->cUsers
324	#define tt pData->tt
325	#define our_addr pData->our_addr
326	#ifndef VBOX_SLIRP_ALIAS
327	# define alias_addr pData->alias_addr
328	#else
329	# define handler_chain pData->handler_chain
330	#endif
331	#define special_addr pData->special_addr
332	#define dns_addr pData->dns_addr
333	#define loopback_addr pData->loopback_addr
334	#define client_ethaddr pData->client_ethaddr
335	#define exec_list pData->exec_list
336	#define slirp_hostname pData->slirp_hostname
337
338	#define tcb pData->tcb
339	#define tcp_last_so pData->tcp_last_so
340	#define tcp_iss pData->tcp_iss
341
342	#define tcpstat pData->tcpstat
343	#define tcp_now pData->tcp_now
344
345	#define tftp_sessions pData->tftp_sessions
346	#define tftp_prefix pData->tftp_prefix
347
348	#define udpstat pData->udpstat
349	#define udb pData->udb
350	#define udp_last_so pData->udp_last_so
351
352	#define maxfragsperpacket pData->maxfragsperpacket
353	#define maxnipq pData->maxnipq
354	#define nipq pData->nipq
355
356	#define tcp_reass_qsize pData->tcp_reass_qsize
357	#define tcp_reass_maxqlen pData->tcp_reass_maxqlen
358	#define tcp_reass_maxseg pData->tcp_reass_maxseg
359	#define tcp_reass_overflows pData->tcp_reass_overflows
360
361	#define queue_tcp_label tcb
362	#define queue_udp_label udb
363	#define VBOX_X2(x) x
364	#define VBOX_X(x) VBOX_X2(x)
365
366	#ifdef VBOX_WITH_SLIRP_MT
367
368	# define QSOCKET_LOCK(queue) \
369	do { \
370	int rc; \
371	/* Assert(strcmp(RTThreadSelfName(), "EMT") != 0); */ \
372	rc = RTCritSectEnter(&VBOX_X(queue) ## _mutex); \
373	AssertReleaseRC(rc); \
374	} while (0)
375	# define QSOCKET_UNLOCK(queue) \
376	do { \
377	int rc; \
378	rc = RTCritSectLeave(&VBOX_X(queue) ## _mutex); \
379	AssertReleaseRC(rc); \
380	} while (0)
381	# define QSOCKET_LOCK_CREATE(queue) \
382	do { \
383	int rc; \
384	rc = RTCritSectInit(&pData->queue ## _mutex); \
385	AssertReleaseRC(rc); \
386	} while (0)
387	# define QSOCKET_LOCK_DESTROY(queue) \
388	do { \
389	int rc = RTCritSectDelete(&pData->queue ## _mutex); \
390	AssertReleaseRC(rc); \
391	} while (0)
392
393	# define QSOCKET_FOREACH(so, sonext, label) \
394	QSOCKET_LOCK(VBOX_X2(queue_## label ## _label)); \
395	(so) = (VBOX_X(queue_ ## label ## _label)).so_next; \
396	QSOCKET_UNLOCK(VBOX_X2(queue_## label ##_label)); \
397	if ((so) != &(VBOX_X(queue_## label ## _label))) SOCKET_LOCK((so));\
398	for (;;) \
399	{ \
400	if ((so) == &(VBOX_X(queue_## label ## _label))) \
401	{ \
402	break; \
403	} \
404	Log2(("%s:%d Processing so:%R[natsock]\n", __FUNCTION__, __LINE__, (so)));
405
406	# define CONTINUE_NO_UNLOCK(label) goto loop_end_ ## label ## _mt_nounlock
407	# define CONTINUE(label) goto loop_end_ ## label ## _mt
408	/* @todo replace queue parameter with macrodinition */
409	/* _mt_nounlock - user should lock so_next before calling CONTINUE_NO_UNLOCK */
410	# define LOOP_LABEL(label, so, sonext) loop_end_ ## label ## _mt: \
411	(sonext) = (so)->so_next; \
412	SOCKET_UNLOCK(so); \
413	QSOCKET_LOCK(VBOX_X(queue_ ## label ## _label)); \
414	if ((sonext) != &(VBOX_X(queue_## label ## _label))) \
415	{ \
416	SOCKET_LOCK((sonext)); \
417	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
418	} \
419	else \
420	{ \
421	so = &VBOX_X(queue_ ## label ## _label); \
422	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
423	break; \
424	} \
425	(so) = (sonext); \
426	continue; \
427	loop_end_ ## label ## _mt_nounlock: \
428	(so) = (sonext)
429
430	# define DO_TCP_OUTPUT(data, sotcb) \
431	do { \
432	PRTREQ pReq = NULL; \
433	int rc; \
434	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
435	AssertReleaseRC(rc); \
436	pReq->u.Internal.pfn = (PFNRT)tcp_output; \
437	pReq->u.Internal.cArgs = 2; \
438	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
439	pReq->u.Internal.aArgs[1] = (uintptr_t)(sotcb); \
440	pReq->fFlags = RTREQFLAGS_VOID; \
441	rc = RTReqQueue(pReq, 0); \
442	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
443	{ \
444	SOCKET_UNLOCK(so); \
445	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
446	AssertReleaseRC(rc); \
447	SOCKET_LOCK(so); \
448	RTReqFree(pReq); \
449	} \
450	else \
451	AssertReleaseRC(rc); \
452	} while(0)
453
454	# define DO_TCP_INPUT(data, mbuf, size, so) \
455	do { \
456	PRTREQ pReq = NULL; \
457	int rc; \
458	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
459	AssertReleaseRC(rc); \
460	pReq->u.Internal.pfn = (PFNRT)tcp_input; \
461	pReq->u.Internal.cArgs = 4; \
462	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
463	pReq->u.Internal.aArgs[1] = (uintptr_t)(mbuf); \
464	pReq->u.Internal.aArgs[2] = (uintptr_t)(size); \
465	pReq->u.Internal.aArgs[3] = (uintptr_t)(so); \
466	pReq->fFlags = RTREQFLAGS_VOID\|RTREQFLAGS_NO_WAIT; \
467	rc = RTReqQueue(pReq, 0); \
468	AssertReleaseRC(rc); \
469	} while(0)
470
471	# define DO_TCP_CONNECT(data, so) \
472	do { \
473	PRTREQ pReq = NULL; \
474	int rc; \
475	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
476	AssertReleaseRC(rc); \
477	pReq->u.Internal.pfn = (PFNRT)tcp_connect; \
478	pReq->u.Internal.cArgs = 2; \
479	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
480	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
481	pReq->fFlags = RTREQFLAGS_VOID; \
482	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
483	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
484	{ \
485	SOCKET_UNLOCK(so); \
486	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
487	AssertReleaseRC(rc); \
488	SOCKET_LOCK(so); \
489	RTReqFree(pReq); \
490	} \
491	else \
492	AssertReleaseRC(rc); \
493	} while(0)
494
495	# define DO_SOREAD(ret, data, so, ifclose) \
496	do { \
497	PRTREQ pReq = NULL; \
498	int rc; \
499	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
500	AssertReleaseRC(rc); \
501	pReq->u.Internal.pfn = (PFNRT)soread_queue; \
502	pReq->u.Internal.cArgs = 4; \
503	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
504	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
505	pReq->u.Internal.aArgs[2] = (uintptr_t)(ifclose); \
506	pReq->u.Internal.aArgs[3] = (uintptr_t)&(ret); \
507	pReq->fFlags = RTREQFLAGS_VOID; \
508	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
509	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
510	{ \
511	SOCKET_UNLOCK(so); \
512	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
513	AssertReleaseRC(rc); \
514	SOCKET_LOCK(so); \
515	RTReqFree(pReq); \
516	} \
517	else \
518	AssertReleaseRC(rc); \
519	} while(0)
520
521	# define DO_SOWRITE(ret, data, so) \
522	do { \
523	PRTREQ pReq = NULL; \
524	int rc; \
525	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
526	AssertReleaseRC(rc); \
527	pReq->u.Internal.pfn = (PFNRT)sowrite; \
528	pReq->u.Internal.cArgs = 2; \
529	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
530	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
531	pReq->fFlags = RTREQFLAGS_RETURN_MASK; \
532	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
533	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
534	{ \
535	SOCKET_UNLOCK(so); \
536	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
537	SOCKET_LOCK(so); \
538	ret = pReq->iStatus; \
539	RTReqFree(pReq); \
540	} \
541	else \
542	AssertReleaseRC(rc); \
543	} while(0)
544
545	# define DO_SORECFROM(data, so) \
546	do { \
547	PRTREQ pReq = NULL; \
548	int rc; \
549	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
550	AssertReleaseRC(rc); \
551	pReq->u.Internal.pfn = (PFNRT)sorecvfrom; \
552	pReq->u.Internal.cArgs = 2; \
553	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
554	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
555	pReq->fFlags = RTREQFLAGS_VOID; \
556	rc = RTReqQueue(pReq, 0); \
557	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
558	{ \
559	SOCKET_UNLOCK(so); \
560	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
561	AssertReleaseRC(rc); \
562	SOCKET_LOCK(so); \
563	RTReqFree(pReq); \
564	} \
565	else \
566	AssertReleaseRC(rc); \
567	} while(0)
568
569	# define DO_UDP_DETACH(data, so, so_next) \
570	do { \
571	PRTREQ pReq = NULL; \
572	int rc; \
573	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
574	AssertReleaseRC(rc); \
575	pReq->u.Internal.pfn = (PFNRT)udp_detach; \
576	pReq->u.Internal.cArgs = 2; \
577	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
578	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
579	pReq->fFlags = RTREQFLAGS_VOID; \
580	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
581	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
582	{ \
583	SOCKET_UNLOCK(so); \
584	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
585	AssertReleaseRC(rc); \
586	if ((so_next) != &udb) SOCKET_LOCK((so_next)); \
587	RTReqFree(pReq); \
588	} \
589	else \
590	AssertReleaseRC(rc); \
591	} while(0)
592
593	# define SOLOOKUP(so, label, src, sport, dst, dport) \
594	do { \
595	struct socket *sonxt; \
596	(so) = NULL; \
597	QSOCKET_FOREACH(so, sonxt, label) \
598	/* { */ \
599	if ( so->so_lport == (sport) \
600	&& so->so_laddr.s_addr == (src).s_addr \
601	&& so->so_faddr.s_addr == (dst).s_addr \
602	&& so->so_fport == (dport)) \
603	{ \
604	if (sonxt != &VBOX_X2(queue_ ## label ## _label)) \
605	SOCKET_UNLOCK(sonxt); \
606	break; /so is locked/ \
607	} \
608	LOOP_LABEL(so, sonxt, label); \
609	} \
610	} \
611	} while (0)
612
613	#else /* !VBOX_WITH_SLIRP_MT */
614
615	# define QSOCKET_LOCK(queue) do {} while (0)
616	# define QSOCKET_UNLOCK(queue) do {} while (0)
617	# define QSOCKET_LOCK_CREATE(queue) do {} while (0)
618	# define QSOCKET_LOCK_DESTROY(queue) do {} while (0)
619	# define QSOCKET_FOREACH(so, sonext, label) \
620	for ((so) = VBOX_X2(queue_ ## label ## _label).so_next; \
621	(so) != &(VBOX_X2(queue_ ## label ## _label)); \
622	(so) = (sonext)) \
623	{ \
624	(sonext) = (so)->so_next;
625	# define CONTINUE(label) continue
626	# define CONTINUE_NO_UNLOCK(label) continue
627	# define LOOP_LABEL(label, so, sonext) /* empty*/
628	# define DO_TCP_OUTPUT(data, sotcb) tcp_output((data), (sotcb))
629	# define DO_TCP_INPUT(data, mbuf, size, so) tcp_input((data), (mbuf), (size), (so))
630	# define DO_TCP_CONNECT(data, so) tcp_connect((data), (so))
631	# define DO_SOREAD(ret, data, so, ifclose) \
632	do { \
633	(ret) = soread((data), (so), (ifclose)); \
634	} while(0)
635	# define DO_SOWRITE(ret, data, so) \
636	do { \
637	(ret) = sowrite((data), (so)); \
638	} while(0)
639	# define DO_SORECFROM(data, so) sorecvfrom((data), (so))
640	# define SOLOOKUP(so, label, src, sport, dst, dport) \
641	do { \
642	(so) = solookup(&VBOX_X2(queue_ ## label ## _label), (src), (sport), (dst), (dport)); \
643	} while (0)
644	# define DO_UDP_DETACH(data, so, ignored) udp_detach((data), (so))
645
646	#endif /* !VBOX_WITH_SLIRP_MT */
647
648	#define TCP_OUTPUT(data, sotcb) DO_TCP_OUTPUT((data), (sotcb))
649	#define TCP_INPUT(data, mbuf, size, so) DO_TCP_INPUT((data), (mbuf), (size), (so))
650	#define TCP_CONNECT(data, so) DO_TCP_CONNECT((data), (so))
651	#define SOREAD(ret, data, so, ifclose) DO_SOREAD((ret), (data), (so), (ifclose))
652	#define SOWRITE(ret, data, so) DO_SOWRITE((ret), (data), (so))
653	#define SORECVFROM(data, so) DO_SORECFROM((data), (so))
654	#define UDP_DETACH(data, so, so_next) DO_UDP_DETACH((data), (so), (so_next))
655
656	/* dnsproxy/dnsproxy.c */
657	#define authoritative_port pData->authoritative_port
658	#define authoritative_timeout pData->authoritative_timeout
659	#define recursive_port pData->recursive_port
660	#define recursive_timeout pData->recursive_timeout
661	#define stats_timeout pData->stats_timeout
662	/* dnsproxy/hash.c */
663	#define dns_port pData->port
664	#define request_hash pData->request_hash
665	#define hash_collisions pData->hash_collisions
666	#define active_queries pData->active_queries
667	#define all_queries pData->all_queries
668	#define authoritative_queries pData->authoritative_queries
669	#define recursive_queries pData->recursive_queries
670	#define removed_queries pData->removed_queries
671	#define dropped_queries pData->dropped_queries
672	#define answered_queries pData->answered_queries
673	#define dropped_answers pData->dropped_answers
674	#define late_answers pData->late_answers
675
676	/* dnsproxy/dnsproxy.c */
677	#define queryid pData->queryid
678	#define authoritative_addr pData->authoritative_addr
679	#define recursive_addr pData->recursive_addr
680	#define sock_query pData->sock_query
681	#define sock_answer pData->sock_answer
682
683	#define instancehead pData->instancehead
684
685	#endif /* !___slirp_state_h */

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source: vbox/trunk/src/VBox/Devices/Network/slirp/slirp_state.h@ 22494

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