slirp_state.h@ 26495

Last change on this file since 26495 was 26495, checked in by vboxsync, 15 years ago
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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 <iprt/critsect.h>
26
27	#define COUNTERS_INIT
28	#include "counters.h"
29
30	#include "ip_icmp.h"
31	#include "dnsproxy/dnsproxy.h"
32
33
34	/** Where to start DHCP IP number allocation. */
35	#define START_ADDR 15
36
37	/** DHCP Lease time. */
38	#define LEASE_TIME (24 * 3600)
39
40	/*
41	* ARP cache this is naive implementaion of ARP
42	* cache of mapping 4 byte IPv4 address to 6 byte
43	* ethernet one.
44	*/
45	struct arp_cache_entry
46	{
47	uint32_t ip;
48	uint8_t ether[6];
49	LIST_ENTRY(arp_cache_entry) list;
50	};
51	LIST_HEAD(arp_cache_head, arp_cache_entry);
52
53	/** TFTP session entry. */
54	struct tftp_session
55	{
56	int in_use;
57	unsigned char filename[TFTP_FILENAME_MAX];
58
59	struct in_addr client_ip;
60	u_int16_t client_port;
61
62	int timestamp;
63	};
64
65	struct dns_domain_entry
66	{
67	char *dd_pszDomain;
68	LIST_ENTRY(dns_domain_entry) dd_list;
69	};
70	LIST_HEAD(dns_domain_list_head, dns_domain_entry);
71
72	struct dns_entry
73	{
74	struct in_addr de_addr;
75	TAILQ_ENTRY(dns_entry) de_list;
76	};
77	TAILQ_HEAD(dns_list_head, dns_entry);
78	#ifdef VBOX_WITH_SLIRP_BSD_MBUF
79	TAILQ_HEAD(if_queue, mbuf);
80	#endif
81
82	struct port_forward_rule
83	{
84	uint16_t proto;
85	uint16_t host_port;
86	uint16_t guest_port;
87	#ifndef VBOX_WITH_NAT_SERVICE
88	struct in_addr guest_addr;
89	#endif
90	struct in_addr bind_ip;
91	uint8_t mac_address[6]; /need ETH_ALEN here /
92	int activated;
93	LIST_ENTRY(port_forward_rule) list;
94	};
95	LIST_HEAD(port_forward_rule_list, port_forward_rule);
96
97	#ifndef VBOX_WITH_SLIRP_BSD_MBUF
98	struct mbuf_zone
99	{
100	LIST_ENTRY(mbuf_zone) list;
101	uint8_t *mbuf_zone_base_addr;
102	};
103	LIST_HEAD(mbuf_zone_list, mbuf_zone);
104	#endif
105
106
107	/* forward declaration */
108	struct proto_handler;
109
110	/** Main state/configuration structure for slirp NAT. */
111	typedef struct NATState
112	{
113	#define PROFILE_COUNTER(name, dsc) STAMPROFILE Stat ## name
114	#define COUNTING_COUNTER(name, dsc) STAMCOUNTER Stat ## name
115	#include "counters.h"
116	/* Stuff from boot.c */
117	void *pbootp_clients;
118	const char *bootp_filename;
119	/* Stuff from if.c */
120	int if_mtu, if_mru;
121	int if_comp;
122	int if_maxlinkhdr;
123	int if_queued;
124	int if_thresh;
125	#ifndef VBOX_WITH_SLIRP_BSD_MBUF
126	struct mbuf if_fastq;
127	struct mbuf if_batchq;
128	#else
129	struct if_queue if_fastq;
130	struct if_queue if_batchq;
131	#endif
132	struct mbuf *next_m;
133	/* Stuff from icmp.c */
134	struct icmpstat_t icmpstat;
135	/* Stuff from ip_input.c */
136	struct ipstat_t ipstat;
137	struct ipqhead ipq[IPREASS_NHASH];
138	int maxnipq; /* Administrative limit on # of reass queues*/
139	int maxfragsperpacket; /* Maximum number of IPv4 fragments allowed per packet */
140	int nipq; /* total number of reass queues */
141	uint16_t ip_currid;
142	/* Stuff from mbuf.c */
143	int mbuf_alloced, mbuf_max;
144	int msize;
145	struct mbuf m_freelist, m_usedlist;
146	#ifndef VBOX_WITH_SLIRP_BSD_MBUF
147	struct mbuf_zone_list mbuf_zone_head;
148	RTCRITSECT cs_mbuf_zone;
149	int fmbuf_water_line;
150	int mbuf_water_line_limit;
151	int mbuf_zone_count;
152	int fmbuf_water_warn_sent;
153	uint32_t tsmbuf_water_warn_sent;
154	#endif
155	/* Stuff from slirp.c */
156	void *pvUser;
157	uint32_t curtime;
158	uint32_t time_fasttimo;
159	uint32_t last_slowtimo;
160	bool do_slowtimo;
161	bool link_up;
162	struct timeval tt;
163	struct in_addr our_addr;
164	struct in_addr alias_addr;
165	struct in_addr special_addr;
166
167	int tcp_rcvspace;
168	int tcp_sndspace;
169	int socket_rcv;
170	int socket_snd;
171	#ifdef VBOX_WITH_SLIRP_MT
172	PRTREQQUEUE pReqQueue;
173	#endif
174	#ifdef RT_OS_WINDOWS
175	ULONG (WINAPI * pfGetAdaptersAddresses)(ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG);
176	#endif
177	struct dns_list_head pDnsList;
178	struct dns_domain_list_head pDomainList;
179	struct in_addr tftp_server;
180	struct in_addr loopback_addr;
181	uint32_t netmask;
182	#ifndef VBOX_WITH_NAT_SERVICE
183	uint8_t client_ethaddr[6];
184	#endif
185	const uint8_t *slirp_ethaddr;
186	struct ex_list *exec_list;
187	char slirp_hostname[33];
188	bool fPassDomain;
189	struct in_addr bindIP;
190	/* Stuff from tcp_input.c */
191	struct socket tcb;
192	#ifdef VBOX_WITH_SLIRP_MT
193	RTCRITSECT tcb_mutex;
194	#endif
195	struct socket *tcp_last_so;
196	tcp_seq tcp_iss;
197	/* Stuff from tcp_timer.c */
198	struct tcpstat_t tcpstat;
199	uint32_t tcp_now;
200	int tcp_reass_qsize;
201	int tcp_reass_maxqlen;
202	int tcp_reass_maxseg;
203	int tcp_reass_overflows;
204	/* Stuff from tftp.c */
205	struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
206	const char *tftp_prefix;
207	/* Stuff from udp.c */
208	struct udpstat_t udpstat;
209	struct socket udb;
210	#ifdef VBOX_WITH_SLIRP_MT
211	RTCRITSECT udb_mutex;
212	#endif
213	struct socket *udp_last_so;
214	struct socket icmp_socket;
215	struct icmp_storage icmp_msg_head;
216	# ifndef RT_OS_WINDOWS
217	/* counter of sockets needed for allocation enough room to
218	* process sockets with poll/epoll
219	*
220	* NSOCK_INC/DEC should be injected before every
221	* operation on socket queue (tcb, udb)
222	*/
223	int nsock;
224	# define NSOCK_INC() do {pData->nsock++;} while (0)
225	# define NSOCK_DEC() do {pData->nsock--;} while (0)
226	# define NSOCK_INC_EX(ex) do {ex->pData->nsock++;} while (0)
227	# define NSOCK_DEC_EX(ex) do {ex->pData->nsock--;} while (0)
228	# else
229	# define NSOCK_INC() do {} while (0)
230	# define NSOCK_DEC() do {} while (0)
231	# define NSOCK_INC_EX(ex) do {} while (0)
232	# define NSOCK_DEC_EX(ex) do {} while (0)
233	# endif
234	# ifdef RT_OS_WINDOWS
235	void *pvIcmpBuffer;
236	size_t szIcmpBuffer;
237	/* Accordin MSDN specification IcmpParseReplies
238	* function should be detected in runtime
239	*/
240	long (WINAPI * pfIcmpParseReplies)(void *, long);
241	BOOL (WINAPI * pfIcmpCloseHandle)(HANDLE);
242	HMODULE hmIcmpLibrary;
243	# endif
244	#if defined(RT_OS_WINDOWS)
245	# define VBOX_SOCKET_EVENT (pData->phEvents[VBOX_SOCKET_EVENT_INDEX])
246	HANDLE phEvents[VBOX_EVENT_COUNT];
247	#endif
248	#ifdef VBOX_WITH_SLIRP_BSD_MBUF
249	# ifdef zone_mbuf
250	# undef zone_mbuf
251	# endif
252	uma_zone_t zone_mbuf;
253	# ifdef zone_clust
254	# undef zone_clust
255	# endif
256	uma_zone_t zone_clust;
257	# ifdef zone_pack
258	# undef zone_pack
259	# endif
260	uma_zone_t zone_pack;
261	# ifdef zone_jumbop
262	# undef zone_jumbop
263	# endif
264	uma_zone_t zone_jumbop;
265	# ifdef zone_jumbo9
266	# undef zone_jumbo9
267	# endif
268	uma_zone_t zone_jumbo9;
269	# ifdef zone_jumbo16
270	# undef zone_jumbo16
271	# endif
272	uma_zone_t zone_jumbo16;
273	# ifdef zone_ext_refcnt
274	# undef zone_ext_refcnt
275	int nmbclusters; /* limits number of mbuf clusters */
276	int nmbjumbop; /* limits number of page size jumbo clusters */
277	int nmbjumbo9; /* limits number of 9k jumbo clusters */
278	int nmbjumbo16; /* limits number of 16k jumbo clusters */
279	struct mbstat mbstat;
280	# endif
281	uma_zone_t zone_ext_refcnt;
282	#endif
283	int use_host_resolver;
284	/* from dnsproxy/dnsproxy.h*/
285	unsigned int authoritative_port;
286	unsigned int authoritative_timeout;
287	unsigned int recursive_port;
288	unsigned int recursive_timeout;
289	unsigned int stats_timeout;
290	unsigned int port;
291
292	unsigned long active_queries;
293	unsigned long all_queries;
294	unsigned long authoritative_queries;
295	unsigned long recursive_queries;
296	unsigned long removed_queries;
297	unsigned long dropped_queries;
298	unsigned long answered_queries;
299	unsigned long dropped_answers;
300	unsigned long late_answers;
301	unsigned long hash_collisions;
302	/dnsproxy/dnsproxy.c/
303	unsigned short queryid;
304	struct sockaddr_in authoritative_addr;
305	struct sockaddr_in recursive_addr;
306	int sock_query;
307	int sock_answer;
308	/* dnsproxy/hash.c */
309	#define HASHSIZE 10
310	#define HASH(id) (id & ((1 << HASHSIZE) - 1))
311	struct request *request_hash[1 << HASHSIZE];
312	/* this field control behaviour of DHCP server */
313	bool use_dns_proxy;
314
315	LIST_HEAD(RT_NOTHING, libalias) instancehead;
316	struct libalias *proxy_alias;
317	struct libalias *dns_alias;
318	LIST_HEAD(handler_chain, proto_handler) handler_chain;
319	struct port_forward_rule_list port_forward_rule_head;
320	int cRedirectionsActive;
321	int cRedirectionsStored;
322	struct arp_cache_head arp_cache;
323	/libalis modules' handlers/
324	struct proto_handler *ftp_module;
325	struct proto_handler *nbt_module;
326	struct proto_handler *dns_module;
327
328	} NATState;
329
330
331	/** Default IP time to live. */
332	#define ip_defttl IPDEFTTL
333
334	/** Number of permanent buffers in mbuf. */
335	#define mbuf_thresh 30
336
337	/** Use a fixed time before sending keepalive. */
338	#define tcp_keepidle TCPTV_KEEP_IDLE
339
340	/** Use a fixed interval between keepalive. */
341	#define tcp_keepintvl TCPTV_KEEPINTVL
342
343	/** Maximum idle time before timing out a connection. */
344	#define tcp_maxidle (TCPTV_KEEPCNT * tcp_keepintvl)
345
346	/** Default TCP socket options. */
347	#define so_options DO_KEEPALIVE
348
349	/** Default TCP MSS value. */
350	#define tcp_mssdflt TCP_MSS
351
352	/** Default TCP round trip time. */
353	#define tcp_rttdflt (TCPTV_SRTTDFLT / PR_SLOWHZ)
354
355	/** Enable RFC1323 performance enhancements.
356	* @todo check if it really works, it was turned off before. */
357	#define tcp_do_rfc1323 1
358
359	/** TCP receive buffer size. */
360	#define tcp_rcvspace pData->tcp_rcvspace
361
362	/** TCP receive buffer size. */
363	#define tcp_sndspace pData->tcp_sndspace
364
365	/* TCP duplicate ACK retransmit threshold. */
366	#define tcprexmtthresh 3
367
368
369	#define bootp_filename pData->bootp_filename
370
371	#define if_mtu pData->if_mtu
372	#define if_mru pData->if_mru
373	#define if_comp pData->if_comp
374	#define if_maxlinkhdr pData->if_maxlinkhdr
375	#define if_queued pData->if_queued
376	#define if_thresh pData->if_thresh
377	#define if_fastq pData->if_fastq
378	#define if_batchq pData->if_batchq
379	#define next_m pData->next_m
380
381	#define icmpstat pData->icmpstat
382
383	#define ipstat pData->ipstat
384	#define ipq pData->ipq
385	#define ip_currid pData->ip_currid
386
387	#define mbuf_alloced pData->mbuf_alloced
388	#define mbuf_max pData->mbuf_max
389	#define msize pData->msize
390	#define m_freelist pData->m_freelist
391	#define m_usedlist pData->m_usedlist
392
393	#define curtime pData->curtime
394	#define time_fasttimo pData->time_fasttimo
395	#define last_slowtimo pData->last_slowtimo
396	#define do_slowtimo pData->do_slowtimo
397	#define link_up pData->link_up
398	#define cUsers pData->cUsers
399	#define tt pData->tt
400	#define our_addr pData->our_addr
401	#ifndef VBOX_SLIRP_ALIAS
402	# define alias_addr pData->alias_addr
403	#else
404	# define handler_chain pData->handler_chain
405	#endif
406	#define dns_addr pData->dns_addr
407	#define loopback_addr pData->loopback_addr
408	#define client_ethaddr pData->client_ethaddr
409	#define exec_list pData->exec_list
410	#define slirp_hostname pData->slirp_hostname
411
412	#define tcb pData->tcb
413	#define tcp_last_so pData->tcp_last_so
414	#define tcp_iss pData->tcp_iss
415
416	#define tcpstat pData->tcpstat
417	#define tcp_now pData->tcp_now
418
419	#define tftp_sessions pData->tftp_sessions
420	#define tftp_prefix pData->tftp_prefix
421
422	#define udpstat pData->udpstat
423	#define udb pData->udb
424	#define udp_last_so pData->udp_last_so
425
426	#define maxfragsperpacket pData->maxfragsperpacket
427	#define maxnipq pData->maxnipq
428	#define nipq pData->nipq
429
430	#define tcp_reass_qsize pData->tcp_reass_qsize
431	#define tcp_reass_maxqlen pData->tcp_reass_maxqlen
432	#define tcp_reass_maxseg pData->tcp_reass_maxseg
433	#define tcp_reass_overflows pData->tcp_reass_overflows
434
435	#define queue_tcp_label tcb
436	#define queue_udp_label udb
437	#define VBOX_X2(x) x
438	#define VBOX_X(x) VBOX_X2(x)
439
440	#ifdef VBOX_WITH_SLIRP_MT
441
442	# define QSOCKET_LOCK(queue) \
443	do { \
444	int rc; \
445	/* Assert(strcmp(RTThreadSelfName(), "EMT") != 0); */ \
446	rc = RTCritSectEnter(&VBOX_X(queue) ## _mutex); \
447	AssertRC(rc); \
448	} while (0)
449	# define QSOCKET_UNLOCK(queue) \
450	do { \
451	int rc; \
452	rc = RTCritSectLeave(&VBOX_X(queue) ## _mutex); \
453	AssertRC(rc); \
454	} while (0)
455	# define QSOCKET_LOCK_CREATE(queue) \
456	do { \
457	int rc; \
458	rc = RTCritSectInit(&pData->queue ## _mutex); \
459	AssertRC(rc); \
460	} while (0)
461	# define QSOCKET_LOCK_DESTROY(queue) \
462	do { \
463	int rc = RTCritSectDelete(&pData->queue ## _mutex); \
464	AssertRC(rc); \
465	} while (0)
466
467	# define QSOCKET_FOREACH(so, sonext, label) \
468	QSOCKET_LOCK(VBOX_X2(queue_## label ## _label)); \
469	(so) = (VBOX_X(queue_ ## label ## _label)).so_next; \
470	QSOCKET_UNLOCK(VBOX_X2(queue_## label ##_label)); \
471	if ((so) != &(VBOX_X(queue_## label ## _label))) SOCKET_LOCK((so));\
472	for (;;) \
473	{ \
474	if ((so) == &(VBOX_X(queue_## label ## _label))) \
475	{ \
476	break; \
477	} \
478	Log2(("%s:%d Processing so:%R[natsock]\n", __FUNCTION__, __LINE__, (so)));
479
480	# define CONTINUE_NO_UNLOCK(label) goto loop_end_ ## label ## _mt_nounlock
481	# define CONTINUE(label) goto loop_end_ ## label ## _mt
482	/* @todo replace queue parameter with macrodinition */
483	/* _mt_nounlock - user should lock so_next before calling CONTINUE_NO_UNLOCK */
484	# define LOOP_LABEL(label, so, sonext) loop_end_ ## label ## _mt: \
485	(sonext) = (so)->so_next; \
486	SOCKET_UNLOCK(so); \
487	QSOCKET_LOCK(VBOX_X(queue_ ## label ## _label)); \
488	if ((sonext) != &(VBOX_X(queue_## label ## _label))) \
489	{ \
490	SOCKET_LOCK((sonext)); \
491	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
492	} \
493	else \
494	{ \
495	so = &VBOX_X(queue_ ## label ## _label); \
496	QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
497	break; \
498	} \
499	(so) = (sonext); \
500	continue; \
501	loop_end_ ## label ## _mt_nounlock: \
502	(so) = (sonext)
503
504	# define DO_TCP_OUTPUT(data, sotcb) \
505	do { \
506	PRTREQ pReq = NULL; \
507	int rc; \
508	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
509	AssertRC(rc); \
510	pReq->u.Internal.pfn = (PFNRT)tcp_output; \
511	pReq->u.Internal.cArgs = 2; \
512	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
513	pReq->u.Internal.aArgs[1] = (uintptr_t)(sotcb); \
514	pReq->fFlags = RTREQFLAGS_VOID; \
515	rc = RTReqQueue(pReq, 0); \
516	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
517	{ \
518	SOCKET_UNLOCK(so); \
519	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
520	AssertReleaseRC(rc); \
521	SOCKET_LOCK(so); \
522	RTReqFree(pReq); \
523	} \
524	else \
525	AssertReleaseRC(rc); \
526	} while(0)
527
528	# define DO_TCP_INPUT(data, mbuf, size, so) \
529	do { \
530	PRTREQ pReq = NULL; \
531	int rc; \
532	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
533	AssertReleaseRC(rc); \
534	pReq->u.Internal.pfn = (PFNRT)tcp_input; \
535	pReq->u.Internal.cArgs = 4; \
536	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
537	pReq->u.Internal.aArgs[1] = (uintptr_t)(mbuf); \
538	pReq->u.Internal.aArgs[2] = (uintptr_t)(size); \
539	pReq->u.Internal.aArgs[3] = (uintptr_t)(so); \
540	pReq->fFlags = RTREQFLAGS_VOID\|RTREQFLAGS_NO_WAIT; \
541	rc = RTReqQueue(pReq, 0); \
542	AssertReleaseRC(rc); \
543	} while(0)
544
545	# define DO_TCP_CONNECT(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)tcp_connect; \
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); /* don't wait, we have to release lock before*/ \
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_SOREAD(ret, data, so, ifclose) \
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)soread_queue; \
576	pReq->u.Internal.cArgs = 4; \
577	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
578	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
579	pReq->u.Internal.aArgs[2] = (uintptr_t)(ifclose); \
580	pReq->u.Internal.aArgs[3] = (uintptr_t)&(ret); \
581	pReq->fFlags = RTREQFLAGS_VOID; \
582	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
583	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
584	{ \
585	SOCKET_UNLOCK(so); \
586	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
587	AssertReleaseRC(rc); \
588	SOCKET_LOCK(so); \
589	RTReqFree(pReq); \
590	} \
591	else \
592	AssertReleaseRC(rc); \
593	} while(0)
594
595	# define DO_SOWRITE(ret, data, so) \
596	do { \
597	PRTREQ pReq = NULL; \
598	int rc; \
599	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
600	AssertReleaseRC(rc); \
601	pReq->u.Internal.pfn = (PFNRT)sowrite; \
602	pReq->u.Internal.cArgs = 2; \
603	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
604	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
605	pReq->fFlags = RTREQFLAGS_RETURN_MASK; \
606	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
607	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
608	{ \
609	SOCKET_UNLOCK(so); \
610	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
611	SOCKET_LOCK(so); \
612	ret = pReq->iStatus; \
613	RTReqFree(pReq); \
614	} \
615	else \
616	AssertReleaseRC(rc); \
617	} while(0)
618
619	# define DO_SORECFROM(data, so) \
620	do { \
621	PRTREQ pReq = NULL; \
622	int rc; \
623	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
624	AssertReleaseRC(rc); \
625	pReq->u.Internal.pfn = (PFNRT)sorecvfrom; \
626	pReq->u.Internal.cArgs = 2; \
627	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
628	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
629	pReq->fFlags = RTREQFLAGS_VOID; \
630	rc = RTReqQueue(pReq, 0); \
631	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
632	{ \
633	SOCKET_UNLOCK(so); \
634	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
635	AssertReleaseRC(rc); \
636	SOCKET_LOCK(so); \
637	RTReqFree(pReq); \
638	} \
639	else \
640	AssertReleaseRC(rc); \
641	} while(0)
642
643	# define DO_UDP_DETACH(data, so, so_next) \
644	do { \
645	PRTREQ pReq = NULL; \
646	int rc; \
647	rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
648	AssertReleaseRC(rc); \
649	pReq->u.Internal.pfn = (PFNRT)udp_detach; \
650	pReq->u.Internal.cArgs = 2; \
651	pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
652	pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
653	pReq->fFlags = RTREQFLAGS_VOID; \
654	rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
655	if (RT_LIKELY(rc) == VERR_TIMEOUT) \
656	{ \
657	SOCKET_UNLOCK(so); \
658	rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
659	AssertReleaseRC(rc); \
660	if ((so_next) != &udb) SOCKET_LOCK((so_next)); \
661	RTReqFree(pReq); \
662	} \
663	else \
664	AssertReleaseRC(rc); \
665	} while(0)
666
667	# define SOLOOKUP(so, label, src, sport, dst, dport) \
668	do { \
669	struct socket *sonxt; \
670	(so) = NULL; \
671	QSOCKET_FOREACH(so, sonxt, label) \
672	/* { */ \
673	if ( so->so_lport == (sport) \
674	&& so->so_laddr.s_addr == (src).s_addr \
675	&& so->so_faddr.s_addr == (dst).s_addr \
676	&& so->so_fport == (dport)) \
677	{ \
678	if (sonxt != &VBOX_X2(queue_ ## label ## _label)) \
679	SOCKET_UNLOCK(sonxt); \
680	break; /so is locked/ \
681	} \
682	LOOP_LABEL(so, sonxt, label); \
683	} \
684	} \
685	} while (0)
686
687	#else /* !VBOX_WITH_SLIRP_MT */
688
689	# define QSOCKET_LOCK(queue) do {} while (0)
690	# define QSOCKET_UNLOCK(queue) do {} while (0)
691	# define QSOCKET_LOCK_CREATE(queue) do {} while (0)
692	# define QSOCKET_LOCK_DESTROY(queue) do {} while (0)
693	# define QSOCKET_FOREACH(so, sonext, label) \
694	for ((so) = VBOX_X2(queue_ ## label ## _label).so_next; \
695	(so) != &(VBOX_X2(queue_ ## label ## _label)); \
696	(so) = (sonext)) \
697	{ \
698	(sonext) = (so)->so_next;
699	# define CONTINUE(label) continue
700	# define CONTINUE_NO_UNLOCK(label) continue
701	# define LOOP_LABEL(label, so, sonext) /* empty*/
702	# define DO_TCP_OUTPUT(data, sotcb) tcp_output((data), (sotcb))
703	# define DO_TCP_INPUT(data, mbuf, size, so) tcp_input((data), (mbuf), (size), (so))
704	# define DO_TCP_CONNECT(data, so) tcp_connect((data), (so))
705	# define DO_SOREAD(ret, data, so, ifclose) \
706	do { \
707	(ret) = soread((data), (so), (ifclose)); \
708	} while(0)
709	# define DO_SOWRITE(ret, data, so) \
710	do { \
711	(ret) = sowrite((data), (so)); \
712	} while(0)
713	# define DO_SORECFROM(data, so) sorecvfrom((data), (so))
714	# define SOLOOKUP(so, label, src, sport, dst, dport) \
715	do { \
716	(so) = solookup(&VBOX_X2(queue_ ## label ## _label), (src), (sport), (dst), (dport)); \
717	} while (0)
718	# define DO_UDP_DETACH(data, so, ignored) udp_detach((data), (so))
719
720	#endif /* !VBOX_WITH_SLIRP_MT */
721
722	#define TCP_OUTPUT(data, sotcb) DO_TCP_OUTPUT((data), (sotcb))
723	#define TCP_INPUT(data, mbuf, size, so) DO_TCP_INPUT((data), (mbuf), (size), (so))
724	#define TCP_CONNECT(data, so) DO_TCP_CONNECT((data), (so))
725	#define SOREAD(ret, data, so, ifclose) DO_SOREAD((ret), (data), (so), (ifclose))
726	#define SOWRITE(ret, data, so) DO_SOWRITE((ret), (data), (so))
727	#define SORECVFROM(data, so) DO_SORECFROM((data), (so))
728	#define UDP_DETACH(data, so, so_next) DO_UDP_DETACH((data), (so), (so_next))
729
730	/* dnsproxy/dnsproxy.c */
731	#define authoritative_port pData->authoritative_port
732	#define authoritative_timeout pData->authoritative_timeout
733	#define recursive_port pData->recursive_port
734	#define recursive_timeout pData->recursive_timeout
735	#define stats_timeout pData->stats_timeout
736	/* dnsproxy/hash.c */
737	#define dns_port pData->port
738	#define request_hash pData->request_hash
739	#define hash_collisions pData->hash_collisions
740	#define active_queries pData->active_queries
741	#define all_queries pData->all_queries
742	#define authoritative_queries pData->authoritative_queries
743	#define recursive_queries pData->recursive_queries
744	#define removed_queries pData->removed_queries
745	#define dropped_queries pData->dropped_queries
746	#define answered_queries pData->answered_queries
747	#define dropped_answers pData->dropped_answers
748	#define late_answers pData->late_answers
749
750	/* dnsproxy/dnsproxy.c */
751	#define queryid pData->queryid
752	#define authoritative_addr pData->authoritative_addr
753	#define recursive_addr pData->recursive_addr
754	#define sock_query pData->sock_query
755	#define sock_answer pData->sock_answer
756
757	#define instancehead pData->instancehead
758
759	#ifdef VBOX_WITH_SLIRP_BSD_MBUF
760	# define nmbclusters pData->nmbclusters
761	# define nmbjumbop pData->nmbjumbop
762	# define nmbjumbo9 pData->nmbjumbo9
763	# define nmbjumbo16 pData->nmbjumbo16
764	# define mbstat pData->mbstat
765	# include "ext.h"
766	# undef zone_mbuf
767	# undef zone_clust
768	# undef zone_pack
769	# undef zone_jumbop
770	# undef zone_jumbo9
771	# undef zone_jumbo16
772	# undef zone_ext_refcnt
773	static inline uma_zone_t slirp_zone_pack(PNATState pData)
774	{
775	return pData->zone_pack;
776	}
777	static inline uma_zone_t slirp_zone_jumbop(PNATState pData)
778	{
779	return pData->zone_jumbop;
780	}
781	static inline uma_zone_t slirp_zone_jumbo9(PNATState pData)
782	{
783	return pData->zone_jumbo9;
784	}
785	static inline uma_zone_t slirp_zone_jumbo16(PNATState pData)
786	{
787	return pData->zone_jumbo16;
788	}
789	static inline uma_zone_t slirp_zone_ext_refcnt(PNATState pData)
790	{
791	return pData->zone_ext_refcnt;
792	}
793	static inline uma_zone_t slirp_zone_mbuf(PNATState pData)
794	{
795	return pData->zone_mbuf;
796	}
797	static inline uma_zone_t slirp_zone_clust(PNATState pData)
798	{
799	return pData->zone_clust;
800	}
801	#ifndef VBOX_SLIRP_BSD
802	# define m_adj(m, len) m_adj(pData, (m), (len))
803	#endif
804	#endif
805
806	#endif /* !___slirp_state_h */

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source: vbox/trunk/src/VBox/Devices/Network/slirp/slirp_state.h@ 26495

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