VirtualBox

source: vbox/trunk/include/VBox/vmm/pdmnetshaper.h@ 90346

Last change on this file since 90346 was 90346, checked in by vboxsync, 3 years ago
  • VMM: Pass pVM to PDMCritSect APIs. bugref:9218 bugref:10074
  • DrvNetShaper: Do bandwidth allocation via PDMDrvHlp. bugref:10074
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.7 KB
Line 
1/** @file
2 * PDM - Pluggable Device Manager, Network Shaper.
3 */
4
5/*
6 * Copyright (C) 2011-2020 Oracle Corporation
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 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 */
25
26#ifndef VBOX_INCLUDED_vmm_pdmnetshaper_h
27#define VBOX_INCLUDED_vmm_pdmnetshaper_h
28#ifndef RT_WITHOUT_PRAGMA_ONCE
29# pragma once
30#endif
31
32#include <VBox/types.h>
33#include <VBox/vmm/pdmnetifs.h>
34#include <iprt/sg.h>
35
36
37/** @defgroup grp_pdm_net_shaper The PDM Network Shaper API
38 * @ingroup grp_pdm
39 * @{
40 */
41
42
43#define PDM_NETSHAPER_MIN_BUCKET_SIZE UINT32_C(65536) /**< bytes */
44#define PDM_NETSHAPER_MAX_LATENCY UINT32_C(100) /**< milliseconds */
45
46RT_C_DECLS_BEGIN
47
48typedef struct PDMNSFILTER
49{
50 /** Pointer to the next group in the list (ring-3). */
51 R3PTRTYPE(struct PDMNSFILTER *) pNextR3;
52 /** Pointer to the bandwidth group (ring-3). */
53 R3PTRTYPE(struct PDMNSBWGROUP *) pBwGroupR3;
54 /** Pointer to the bandwidth group (ring-0). */
55 R0PTRTYPE(struct PDMNSBWGROUP *) pBwGroupR0;
56 /** Set when the filter fails to obtain bandwidth. */
57 bool fChoked;
58 /** Aligment padding. */
59 bool afPadding[HC_ARCH_BITS == 32 ? 3 : 7];
60 /** The driver this filter is aggregated into (ring-3). */
61 R3PTRTYPE(PPDMINETWORKDOWN) pIDrvNetR3;
62} PDMNSFILTER;
63
64VMM_INT_DECL(bool) PDMNetShaperAllocateBandwidth(PVMCC pVM, PPDMNSFILTER pFilter, size_t cbTransfer);
65VMMR3_INT_DECL(int) PDMR3NsAttach(PUVM pUVM, PPDMDRVINS pDrvIns, const char *pcszBwGroup, PPDMNSFILTER pFilter);
66VMMR3_INT_DECL(int) PDMR3NsDetach(PUVM pUVM, PPDMDRVINS pDrvIns, PPDMNSFILTER pFilter);
67VMMR3DECL(int) PDMR3NsBwGroupSetLimit(PUVM pUVM, const char *pszBwGroup, uint64_t cbPerSecMax);
68
69/** @} */
70
71RT_C_DECLS_END
72
73#endif /* !VBOX_INCLUDED_vmm_pdmnetshaper_h */
74
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