/** @file * INTNET - Internal Networking. (DEV,++) */ /* * Copyright (C) 2006-2020 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. */ #ifndef VBOX_INCLUDED_intnet_h #define VBOX_INCLUDED_intnet_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif #include #include #include #include #include RT_C_DECLS_BEGIN /** * Generic two-sided ring buffer. * * The deal is that there is exactly one writer and one reader. * When offRead equals offWrite the buffer is empty. In the other * extreme the writer will not use the last free byte in the buffer. */ typedef struct INTNETRINGBUF { /** The offset from this structure to the start of the buffer. */ uint32_t offStart; /** The offset from this structure to the end of the buffer. (exclusive). */ uint32_t offEnd; /** The current read offset. */ uint32_t volatile offReadX; /** Alignment. */ uint32_t u32Align0; /** The committed write offset. */ uint32_t volatile offWriteCom; /** Writer internal current write offset. * This is ahead of offWriteCom when buffer space is handed to a third party for * data gathering. offWriteCom will be assigned this value by the writer then * the frame is ready. */ uint32_t volatile offWriteInt; /** The number of bytes written (not counting overflows). */ STAMCOUNTER cbStatWritten; /** The number of frames written (not counting overflows). */ STAMCOUNTER cStatFrames; /** The number of overflows. */ STAMCOUNTER cOverflows; } INTNETRINGBUF; AssertCompileSize(INTNETRINGBUF, 48); /** Pointer to a ring buffer. */ typedef INTNETRINGBUF *PINTNETRINGBUF; /** The alignment of a ring buffer. */ #define INTNETRINGBUF_ALIGNMENT sizeof(INTNETHDR) /** * Asserts the sanity of the specified INTNETRINGBUF structure. */ #ifdef VBOX_STRICT # define INTNETRINGBUF_ASSERT_SANITY(pRingBuf) \ do \ { \ AssertPtr(pRingBuf); \ { \ uint32_t const offWriteCom = (pRingBuf)->offWriteCom; \ uint32_t const offRead = (pRingBuf)->offReadX; \ uint32_t const offWriteInt = (pRingBuf)->offWriteInt; \ \ AssertMsg(offWriteCom == RT_ALIGN_32(offWriteCom, INTNETHDR_ALIGNMENT), ("%#x\n", offWriteCom)); \ AssertMsg(offWriteCom >= (pRingBuf)->offStart, ("%#x %#x\n", offWriteCom, (pRingBuf)->offStart)); \ AssertMsg(offWriteCom < (pRingBuf)->offEnd, ("%#x %#x\n", offWriteCom, (pRingBuf)->offEnd)); \ \ AssertMsg(offRead == RT_ALIGN_32(offRead, INTNETHDR_ALIGNMENT), ("%#x\n", offRead)); \ AssertMsg(offRead >= (pRingBuf)->offStart, ("%#x %#x\n", offRead, (pRingBuf)->offStart)); \ AssertMsg(offRead < (pRingBuf)->offEnd, ("%#x %#x\n", offRead, (pRingBuf)->offEnd)); \ \ AssertMsg(offWriteInt == RT_ALIGN_32(offWriteInt, INTNETHDR_ALIGNMENT), ("%#x\n", offWriteInt)); \ AssertMsg(offWriteInt >= (pRingBuf)->offStart, ("%#x %#x\n", offWriteInt, (pRingBuf)->offStart)); \ AssertMsg(offWriteInt < (pRingBuf)->offEnd, ("%#x %#x\n", offWriteInt, (pRingBuf)->offEnd)); \ AssertMsg( offRead <= offWriteCom \ ? offWriteCom <= offWriteInt || offWriteInt < offRead \ : offWriteCom <= offWriteInt, \ ("W=%#x W'=%#x R=%#x\n", offWriteCom, offWriteInt, offRead)); \ } \ } while (0) #else # define INTNETRINGBUF_ASSERT_SANITY(pRingBuf) do { } while (0) #endif /** * A interface buffer. */ typedef struct INTNETBUF { /** Magic number (INTNETBUF_MAGIC). */ uint32_t u32Magic; /** The size of the entire buffer. */ uint32_t cbBuf; /** The size of the send area. */ uint32_t cbSend; /** The size of the receive area. */ uint32_t cbRecv; /** The receive buffer. */ INTNETRINGBUF Recv; /** The send buffer. */ INTNETRINGBUF Send; /** Number of times yields help solve an overflow. */ STAMCOUNTER cStatYieldsOk; /** Number of times yields didn't help solve an overflow. */ STAMCOUNTER cStatYieldsNok; /** Number of lost packets due to overflows. */ STAMCOUNTER cStatLost; /** Number of bad frames (both rings). */ STAMCOUNTER cStatBadFrames; /** Reserved for future use. */ STAMCOUNTER aStatReserved[2]; /** Reserved for future send profiling. */ STAMPROFILE StatSend1; /** Reserved for future send profiling. */ STAMPROFILE StatSend2; /** Reserved for future receive profiling. */ STAMPROFILE StatRecv1; /** Reserved for future receive profiling. */ STAMPROFILE StatRecv2; /** Reserved for future profiling. */ STAMPROFILE StatReserved; } INTNETBUF; AssertCompileSize(INTNETBUF, 320); AssertCompileMemberOffset(INTNETBUF, Recv, 16); AssertCompileMemberOffset(INTNETBUF, Send, 64); /** Pointer to an interface buffer. */ typedef INTNETBUF *PINTNETBUF; /** Pointer to a const interface buffer. */ typedef INTNETBUF const *PCINTNETBUF; /** Magic number for INTNETBUF::u32Magic (Sir William Gerald Golding). */ #define INTNETBUF_MAGIC UINT32_C(0x19110919) /** * Asserts the sanity of the specified INTNETBUF structure. */ #define INTNETBUF_ASSERT_SANITY(pBuf) \ do \ { \ AssertPtr(pBuf); \ Assert((pBuf)->u32Magic == INTNETBUF_MAGIC); \ { \ uint32_t const offRecvStart = (pBuf)->Recv.offStart + RT_UOFFSETOF(INTNETBUF, Recv); \ uint32_t const offRecvEnd = (pBuf)->Recv.offStart + RT_UOFFSETOF(INTNETBUF, Recv); \ uint32_t const offSendStart = (pBuf)->Send.offStart + RT_UOFFSETOF(INTNETBUF, Send); \ uint32_t const offSendEnd = (pBuf)->Send.offStart + RT_UOFFSETOF(INTNETBUF, Send); \ \ Assert(offRecvEnd > offRecvStart); \ Assert(offRecvEnd - offRecvStart == (pBuf)->cbRecv); \ Assert(offRecvStart == sizeof(INTNETBUF)); \ \ Assert(offSendEnd > offSendStart); \ Assert(offSendEnd - offSendStart == (pBuf)->cbSend); \ Assert(pffSendEnd <= (pBuf)->cbBuf); \ \ Assert(offSendStart == offRecvEnd); \ } \ } while (0) /** Internal networking interface handle. */ typedef uint32_t INTNETIFHANDLE; /** Pointer to an internal networking interface handle. */ typedef INTNETIFHANDLE *PINTNETIFHANDLE; /** Or mask to obscure the handle index. */ #define INTNET_HANDLE_MAGIC 0x88880000 /** Mask to extract the handle index. */ #define INTNET_HANDLE_INDEX_MASK 0xffff /** The maximum number of handles (exclusive) */ #define INTNET_HANDLE_MAX 0xffff /** Invalid handle. */ #define INTNET_HANDLE_INVALID (0) /** * The frame header. * * The header is intentionally 8 bytes long. It will always * start at an 8 byte aligned address. Assuming that the buffer * size is a multiple of 8 bytes, that means that we can guarantee * that the entire header is contiguous in both virtual and physical * memory. */ typedef struct INTNETHDR { /** The size of the frame. */ uint32_t cbFrame : 24; /** Header type. This is currently serving as a magic, it * can be extended later to encode special command frames and stuff. */ uint32_t u8Type : 8; /** The offset from the start of this header to where the actual frame starts. * This is used to keep the frame it self contiguous in virtual memory and * thereby both simplify access as well as the descriptor. */ int32_t offFrame; } INTNETHDR; AssertCompileSize(INTNETHDR, 8); AssertCompileSizeAlignment(INTNETBUF, sizeof(INTNETHDR)); /** Pointer to a frame header.*/ typedef INTNETHDR *PINTNETHDR; /** Pointer to a const frame header.*/ typedef INTNETHDR const *PCINTNETHDR; /** The alignment of a frame header. */ #define INTNETHDR_ALIGNMENT sizeof(INTNETHDR) AssertCompile(sizeof(INTNETHDR) == INTNETHDR_ALIGNMENT); AssertCompile(INTNETHDR_ALIGNMENT <= INTNETRINGBUF_ALIGNMENT); /** @name Frame types (INTNETHDR::u8Type). * @{ */ /** Normal frames. */ #define INTNETHDR_TYPE_FRAME 0x42 /** Padding frames. */ #define INTNETHDR_TYPE_PADDING 0x53 /** Generic segment offload frames. * The frame starts with a PDMNETWORKGSO structure which is followed by the * header template and data. */ #define INTNETHDR_TYPE_GSO 0x64 AssertCompileSize(PDMNETWORKGSO, 8); /** @} */ /** * Asserts the sanity of the specified INTNETHDR. */ #ifdef VBOX_STRICT #define INTNETHDR_ASSERT_SANITY(pHdr, pRingBuf) \ do \ { \ AssertPtr(pHdr); \ Assert(RT_ALIGN_PT(pHdr, INTNETHDR_ALIGNMENT, INTNETHDR *) == pHdr); \ Assert( (pHdr)->u8Type == INTNETHDR_TYPE_FRAME \ || (pHdr)->u8Type == INTNETHDR_TYPE_GSO \ || (pHdr)->u8Type == INTNETHDR_TYPE_PADDING); \ { \ uintptr_t const offHdr = (uintptr_t)pHdr - (uintptr_t)pRingBuf; \ uintptr_t const offFrame = offHdr + (pHdr)->offFrame; \ \ Assert(offHdr >= (pRingBuf)->offStart); \ Assert(offHdr < (pRingBuf)->offEnd); \ \ /* could do more thorough work here... later, perhaps. */ \ Assert(offFrame >= (pRingBuf)->offStart); \ Assert(offFrame < (pRingBuf)->offEnd); \ } \ } while (0) #else # define INTNETHDR_ASSERT_SANITY(pHdr, pRingBuf) do { } while (0) #endif /** * Scatter / Gather segment (internal networking). */ typedef struct INTNETSEG { /** The physical address. NIL_RTHCPHYS is not set. */ RTHCPHYS Phys; /** Pointer to the segment data. */ void *pv; /** The segment size. */ uint32_t cb; } INTNETSEG; /** Pointer to a internal networking frame segment. */ typedef INTNETSEG *PINTNETSEG; /** Pointer to a internal networking frame segment. */ typedef INTNETSEG const *PCINTNETSEG; /** * Scatter / Gather list (internal networking). * * This is used when communicating with the trunk port. */ typedef struct INTNETSG { /** Owner data, don't touch! */ void *pvOwnerData; /** User data. */ void *pvUserData; /** User data 2 in case anyone needs it. */ void *pvUserData2; /** GSO context information, set the type to invalid if not relevant. */ PDMNETWORKGSO GsoCtx; /** The total length of the scatter gather list. */ uint32_t cbTotal; /** The number of users (references). * This is used by the SGRelease code to decide when it can be freed. */ uint16_t volatile cUsers; /** Flags, see INTNETSG_FLAGS_* */ uint16_t volatile fFlags; #if ARCH_BITS == 64 /** Alignment padding. */ uint16_t uPadding; #endif /** The number of segments allocated. */ uint16_t cSegsAlloc; /** The number of segments actually used. */ uint16_t cSegsUsed; /** Variable sized list of segments. */ INTNETSEG aSegs[1]; } INTNETSG; AssertCompileSizeAlignment(INTNETSG, 8); /** Pointer to a scatter / gather list. */ typedef INTNETSG *PINTNETSG; /** Pointer to a const scatter / gather list. */ typedef INTNETSG const *PCINTNETSG; /** @name INTNETSG::fFlags definitions. * @{ */ /** Set if the SG is free. */ #define INTNETSG_FLAGS_FREE RT_BIT_32(1) /** Set if the SG is a temporary one that will become invalid upon return. * Try to finish using it before returning, and if that's not possible copy * to other buffers. * When not set, the callee should always free the SG. * Attempts to free it made by the callee will be quietly ignored. */ #define INTNETSG_FLAGS_TEMP RT_BIT_32(2) /** ARP packet, IPv4 + MAC. * @internal */ #define INTNETSG_FLAGS_ARP_IPV4 RT_BIT_32(3) /** Copied to the temporary buffer. * @internal */ #define INTNETSG_FLAGS_PKT_CP_IN_TMP RT_BIT_32(4) /** @} */ /** @name Direction (frame source or destination) * @{ */ /** To/From the wire. */ #define INTNETTRUNKDIR_WIRE RT_BIT_32(0) /** To/From the host. */ #define INTNETTRUNKDIR_HOST RT_BIT_32(1) /** Mask of valid bits. */ #define INTNETTRUNKDIR_VALID_MASK UINT32_C(3) /** @} */ /** * Switch decisions returned by INTNETTRUNKSWPORT::pfnPreRecv. */ typedef enum INTNETSWDECISION { /** The usual invalid zero value. */ INTNETSWDECISION_INVALID = 0, /** Everywhere. */ INTNETSWDECISION_BROADCAST, /** Only to the internal network. */ INTNETSWDECISION_INTNET, /** Only for the trunk (host/wire). */ INTNETSWDECISION_TRUNK, /** Used internally to indicate that the packet cannot be handled in the * current context. */ INTNETSWDECISION_BAD_CONTEXT, /** Used internally to indicate that the packet should be dropped. */ INTNETSWDECISION_DROP, /** The usual 32-bit type expansion. */ INTNETSWDECISION_32BIT_HACK = 0x7fffffff } INTNETSWDECISION; /** * Network layer address type. */ typedef enum INTNETADDRTYPE { /** The invalid 0 entry. */ kIntNetAddrType_Invalid = 0, /** IP version 4. */ kIntNetAddrType_IPv4, /** IP version 6. */ kIntNetAddrType_IPv6, /** IPX. */ kIntNetAddrType_IPX, /** The end of the valid values. */ kIntNetAddrType_End, /** The usual 32-bit hack. */ kIntNetAddrType_32BitHack = 0x7fffffff } INTNETADDRTYPE; /** Pointer to the interface side of a trunk port. */ typedef struct INTNETTRUNKIFPORT *PINTNETTRUNKIFPORT; /** * Special variation of INTNETTRUNKIFPORT::pfnRelease for use with * INTNETTRUNKSWPORT::pfnDisconnect. * * @param pIfPort Pointer to the INTNETTRUNKIFPORT instance. */ typedef DECLCALLBACK(void) FNINTNETTRUNKIFPORTRELEASEBUSY(PINTNETTRUNKIFPORT pIfPort); /** Pointer to a FNINTNETTRUNKIFPORTRELEASEBUSY function. */ typedef FNINTNETTRUNKIFPORTRELEASEBUSY *PFNINTNETTRUNKIFPORTRELEASEBUSY; /** Pointer to the switch side of a trunk port. */ typedef struct INTNETTRUNKSWPORT *PINTNETTRUNKSWPORT; /** * This is the port on the internal network 'switch', i.e. * what the driver is connected to. * * This is only used for the in-kernel trunk connections. */ typedef struct INTNETTRUNKSWPORT { /** Structure version number. (INTNETTRUNKSWPORT_VERSION) */ uint32_t u32Version; /** * Examine the packet and figure out where it is going. * * This method is for making packet switching decisions in contexts where * pfnRecv cannot be called or is no longer applicable. This method can be * called from any context. * * @returns INTNETSWDECISION_BROADCAST, INTNETSWDECISION_INTNET or * INTNETSWDECISION_TRUNK. The source is excluded from broadcast & * trunk, of course. * * @param pSwitchPort Pointer to this structure. * @param pvHdrs Pointer to the packet headers. * @param cbHdrs Size of the packet headers. This must be at least 6 * bytes (the destination MAC address), but should if * possible also include any VLAN tag and network * layer header (wireless mac address sharing). * @param fSrc Where this frame comes from. Only one bit should be * set! * * @remarks Will only grab the switch table spinlock (interrupt safe). May * signal an event semaphore iff we're racing network cleanup. The * caller must be busy when calling. */ DECLR0CALLBACKMEMBER(INTNETSWDECISION, pfnPreRecv,(PINTNETTRUNKSWPORT pSwitchPort, void const *pvHdrs, size_t cbHdrs, uint32_t fSrc)); /** * Incoming frame. * * The frame may be modified when the trunk port on the switch is set to share * the mac address of the host when hitting the wire. Currently frames * containing ARP packets are subject to this, later other protocols like * NDP/ICMPv6 may need editing as well when operating in this mode. The edited * packet should be forwarded to the host/wire when @c false is returned. * * @returns true if we've handled it and it should be dropped. * false if it should hit the wire/host. * * @param pSwitchPort Pointer to this structure. * @param pvIf Pointer to the interface which received this frame * if available. Can be NULL. * @param pSG The (scatter /) gather structure for the frame. This * will only be use during the call, so a temporary one can * be used. The Phys member will not be used. * @param fSrc Where this frame comes from. Exactly one bit shall be * set! * * @remarks Will only grab the switch table spinlock (interrupt safe). Will * signal event semaphores. The caller must be busy when calling. * * @remarks NAT and TAP will use this interface. * * @todo Do any of the host require notification before frame modifications? * If so, we'll add a callback to INTNETTRUNKIFPORT for this * (pfnSGModifying) and a SG flag. */ DECLR0CALLBACKMEMBER(bool, pfnRecv,(PINTNETTRUNKSWPORT pSwitchPort, void *pvIf, PINTNETSG pSG, uint32_t fSrc)); /** * Retain a SG. * * @param pSwitchPort Pointer to this structure. * @param pSG Pointer to the (scatter /) gather structure. * * @remarks Will not grab any locks. The caller must be busy when calling. */ DECLR0CALLBACKMEMBER(void, pfnSGRetain,(PINTNETTRUNKSWPORT pSwitchPort, PINTNETSG pSG)); /** * Release a SG. * * This is called by the pfnXmit code when done with a SG. This may safe * be done in an asynchronous manner. * * @param pSwitchPort Pointer to this structure. * @param pSG Pointer to the (scatter /) gather structure. * * @remarks May signal an event semaphore later on, currently code won't though. * The caller is busy when making this call. */ DECLR0CALLBACKMEMBER(void, pfnSGRelease,(PINTNETTRUNKSWPORT pSwitchPort, PINTNETSG pSG)); /** * Selects whether outgoing SGs should have their physical address set. * * By enabling physical addresses in the scatter / gather segments it should * be possible to save some unnecessary address translation and memory locking * in the network stack. (Internal networking knows the physical address for * all the INTNETBUF data and that it's locked memory.) There is a negative * side effects though, frames that crosses page boundaries will require * multiple scather / gather segments. * * @returns The old setting. * * @param pSwitchPort Pointer to this structure. * @param fEnable Whether to enable or disable it. * * @remarks Will not grab any locks. The caller must be busy when calling. */ DECLR0CALLBACKMEMBER(bool, pfnSetSGPhys,(PINTNETTRUNKSWPORT pSwitchPort, bool fEnable)); /** * Reports the MAC address of the trunk. * * This is supposed to be called when creating, connection or reconnecting the * trunk and when the MAC address is changed by the system admin. * * @param pSwitchPort Pointer to this structure. * @param pMacAddr The MAC address. * * @remarks May take a spinlock or two. The caller must be busy when calling. */ DECLR0CALLBACKMEMBER(void, pfnReportMacAddress,(PINTNETTRUNKSWPORT pSwitchPort, PCRTMAC pMacAddr)); /** * Reports the promicuousness of the interface. * * This is supposed to be called when creating, connection or reconnecting the * trunk and when the mode is changed by the system admin. * * @param pSwitchPort Pointer to this structure. * @param fPromiscuous True if the host operates the interface in * promiscuous mode, false if not. * * @remarks May take a spinlock or two. The caller must be busy when calling. */ DECLR0CALLBACKMEMBER(void, pfnReportPromiscuousMode,(PINTNETTRUNKSWPORT pSwitchPort, bool fPromiscuous)); /** * Reports the GSO capabilities of the host, wire or both. * * This is supposed to be used only when creating, connecting or reconnecting * the trunk. It is assumed that the GSO capabilities are kind of static the * rest of the time. * * @param pSwitchPort Pointer to this structure. * @param fGsoCapabilities The GSO capability bit mask. The bits * corresponds to the GSO type with the same value. * @param fDst The destination mask (INTNETTRUNKDIR_XXX). * * @remarks Does not take any locks. The caller must be busy when calling. */ DECLR0CALLBACKMEMBER(void, pfnReportGsoCapabilities,(PINTNETTRUNKSWPORT pSwitchPort, uint32_t fGsoCapabilities, uint32_t fDst)); /** * Reports the no-preemption-xmit capabilities of the host and wire. * * This is supposed to be used only when creating, connecting or reconnecting * the trunk. It is assumed that the GSO capabilities are kind of static the * rest of the time. * * @param pSwitchPort Pointer to this structure. * @param fNoPreemptDsts The destinations (INTNETTRUNKDIR_XXX) which it * is safe to transmit to with preemption disabled. * @param fDst The destination mask (INTNETTRUNKDIR_XXX). * * @remarks Does not take any locks. The caller must be busy when calling. */ DECLR0CALLBACKMEMBER(void, pfnReportNoPreemptDsts,(PINTNETTRUNKSWPORT pSwitchPort, uint32_t fNoPreemptDsts)); /** * Notifications about changes to host IP addresses. * * This is used by networks bridged to wifi that share mac with * the host. Host reports changes to its IP addresses so that L3 * switching can ingore guests spoofing host's own IP addresses * * This callback may be null to indicate we are not interested. * * @param pSwitchPort Pointer to this structure. * @param fAdded Whether address is added of removed. * @param enmType Address type. * @param pvAddr Pointer to the address. */ DECLR0CALLBACKMEMBER(void, pfnNotifyHostAddress,(PINTNETTRUNKSWPORT pSwitchPort, bool fAdded, INTNETADDRTYPE enmType, const void *pvAddr)); /** * OS triggered trunk disconnect. * * The caller shall must be busy when calling this method to prevent racing the * network destruction code. This method will always consume this busy reference * (released via @a pfnReleaseBusy using @a pIfPort). * * The caller shall guarantee that there are absolutely no chance of concurrent * calls to this method on the same instance. * * @param pSwitchPort Pointer to this structure. * @param pIfPort The interface port structure corresponding to @a * pSwitchPort and which should be used when * calling @a pfnReleaseBusy. This is required as * the method may no longer have access to a valid * @a pIfPort pointer. * @param pfnReleaseBusy Callback for releasing the callers busy * reference to it's side of things. */ DECLR0CALLBACKMEMBER(void, pfnDisconnect,(PINTNETTRUNKSWPORT pSwitchPort, PINTNETTRUNKIFPORT pIfPort, PFNINTNETTRUNKIFPORTRELEASEBUSY pfnReleaseBusy)); /** Structure version number. (INTNETTRUNKSWPORT_VERSION) */ uint32_t u32VersionEnd; } INTNETTRUNKSWPORT; /** * Version number for the INTNETTRUNKIFPORT::u32Version and * INTNETTRUNKIFPORT::u32VersionEnd fields. * * NB: Version @c 0xA2CDf005 is consumed by 4.x branches for the * backport of pfnNotifyHostAddress. On the next version bump use * @c 0xA2CDf006 and remove this reminder. */ # define INTNETTRUNKSWPORT_VERSION UINT32_C(0xA2CDf004) /** * The trunk interface state used set by INTNETTRUNKIFPORT::pfnSetState. */ typedef enum INTNETTRUNKIFSTATE { /** The invalid zero entry. */ INTNETTRUNKIFSTATE_INVALID = 0, /** The trunk is inactive. No calls to INTNETTRUNKSWPORT::pfnRecv or * INTNETTRUNKSWPORT::pfnPreRecv. Calling other methods is OK. */ INTNETTRUNKIFSTATE_INACTIVE, /** The trunk is active, no restrictions on methods or anything. */ INTNETTRUNKIFSTATE_ACTIVE, /** The trunk is about to be disconnected from the internal network. No * calls to any INTNETRUNKSWPORT methods. */ INTNETTRUNKIFSTATE_DISCONNECTING, /** The end of the valid states. */ INTNETTRUNKIFSTATE_END, /** The usual 32-bit type blow up hack. */ INTNETTRUNKIFSTATE_32BIT_HACK = 0x7fffffff } INTNETTRUNKIFSTATE; /** * This is the port on the trunk interface, i.e. the driver side which the * internal network is connected to. * * This is only used for the in-kernel trunk connections. */ typedef struct INTNETTRUNKIFPORT { /** Structure version number. (INTNETTRUNKIFPORT_VERSION) */ uint32_t u32Version; /** * Retain the object. * * It will normally be called while owning the internal network semaphore. * * @param pIfPort Pointer to this structure. * * @remarks May own the big mutex, no spinlocks. */ DECLR0CALLBACKMEMBER(void, pfnRetain,(PINTNETTRUNKIFPORT pIfPort)); /** * Releases the object. * * This must be called for every pfnRetain call. * * @param pIfPort Pointer to this structure. * * @remarks May own the big mutex, no spinlocks. */ DECLR0CALLBACKMEMBER(void, pfnRelease,(PINTNETTRUNKIFPORT pIfPort)); /** * Disconnect from the switch and release the object. * * The is the counter action of the * INTNETTRUNKNETFLTFACTORY::pfnCreateAndConnect method. * * @param pIfPort Pointer to this structure. * * @remarks Owns the big mutex. */ DECLR0CALLBACKMEMBER(void, pfnDisconnectAndRelease,(PINTNETTRUNKIFPORT pIfPort)); /** * Changes the state of the trunk interface. * * The interface is created in the inactive state (INTNETTRUNKIFSTATE_INACTIVE). * When the first connect VM or service is activated, the internal network * activates the trunk (INTNETTRUNKIFSTATE_ACTIVE). The state may then be set * back and forth between INACTIVE and ACTIVE as VMs are paused, added and * removed. * * Eventually though, the network is destroyed as a result of there being no * more VMs left in it and the state is changed to disconnecting * (INTNETTRUNKIFSTATE_DISCONNECTING) and pfnWaitForIdle is called to make sure * there are no active calls in either direction when pfnDisconnectAndRelease is * called. * * A typical operation to performed by this method is to enable/disable promiscuous * mode on the host network interface when entering/leaving the active state. * * @returns The previous state. * * @param pIfPort Pointer to this structure. * @param enmState The new state. * * @remarks Owns the big mutex. No racing pfnSetState, pfnWaitForIdle, * pfnDisconnectAndRelease or INTNETTRUNKFACTORY::pfnCreateAndConnect * calls. */ DECLR0CALLBACKMEMBER(INTNETTRUNKIFSTATE, pfnSetState,(PINTNETTRUNKIFPORT pIfPort, INTNETTRUNKIFSTATE enmState)); /** * Notifies when the MAC address of an interface is set or changes. * * @param pIfPort Pointer to this structure. * @param pvIfData Pointer to the trunk's interface data (see * pfnConnectInterface). * @param pMac Pointer to the MAC address of the connecting VM NIC. * * @remarks Only busy references to the trunk and the interface. */ DECLR0CALLBACKMEMBER(void, pfnNotifyMacAddress,(PINTNETTRUNKIFPORT pIfPort, void *pvIfData, PCRTMAC pMac)); /** * Called when an interface is connected to the network. * * @returns IPRT status code. * @param pIfPort Pointer to this structure. * @param pvIf Opaque pointer to the interface being connected. * For use INTNETTRUNKSWPORT::pfnRecv. * @param ppvIfData Pointer to a pointer variable that the trunk * implementation can use to associate data with the * interface. This pointer will be passed to the * pfnXmit, pfnNotifyMacAddress and * pfnDisconnectInterface methods. * * @remarks Owns the big mutex. No racing pfnDisconnectAndRelease. */ DECLR0CALLBACKMEMBER(int, pfnConnectInterface,(PINTNETTRUNKIFPORT pIfPort, void *pvIf, void **ppvIfData)); /** * Called when an interface is disconnected from the network. * * @param pIfPort Pointer to this structure. * @param pvIfData Pointer to the trunk's interface data (see * pfnConnectInterface). * * @remarks Owns the big mutex. No racing pfnDisconnectAndRelease. */ DECLR0CALLBACKMEMBER(void, pfnDisconnectInterface,(PINTNETTRUNKIFPORT pIfPort, void *pvIfData)); /** * Waits for the interface to become idle. * * This method must be called before disconnecting and releasing the object in * order to prevent racing incoming/outgoing frames and device * enabling/disabling. * * @returns IPRT status code (see RTSemEventWait). * @param pIfPort Pointer to this structure. * @param cMillies The number of milliseconds to wait. 0 means * no waiting at all. Use RT_INDEFINITE_WAIT for * an indefinite wait. * * @remarks Owns the big mutex. No racing pfnDisconnectAndRelease. */ DECLR0CALLBACKMEMBER(int, pfnWaitForIdle,(PINTNETTRUNKIFPORT pIfPort, uint32_t cMillies)); /** * Transmit a frame. * * @return VBox status code. Error generally means we'll drop the frame. * @param pIfPort Pointer to this structure. * @param pvIfData Pointer to the trunk's interface data (see * pfnConnectInterface). * @param pSG Pointer to the (scatter /) gather structure for the frame. * This may or may not be a temporary buffer. If it's temporary * the transmit operation(s) then it's required to make a copy * of the frame unless it can be transmitted synchronously. * @param fDst The destination mask. At least one bit will be set. * * @remarks No locks. May be called concurrently on several threads. */ DECLR0CALLBACKMEMBER(int, pfnXmit,(PINTNETTRUNKIFPORT pIfPort, void *pvIfData, PINTNETSG pSG, uint32_t fDst)); /** Structure version number. (INTNETTRUNKIFPORT_VERSION) */ uint32_t u32VersionEnd; } INTNETTRUNKIFPORT; /** Version number for the INTNETTRUNKIFPORT::u32Version and INTNETTRUNKIFPORT::u32VersionEnd fields. */ #define INTNETTRUNKIFPORT_VERSION UINT32_C(0xA2CDe001) /** * The component factory interface for create a network * interface filter (like VBoxNetFlt). */ typedef struct INTNETTRUNKFACTORY { /** * Release this factory. * * SUPR0ComponentQueryFactory (SUPDRVFACTORY::pfnQueryFactoryInterface to be precise) * will retain a reference to the factory and the caller has to call this method to * release it once the pfnCreateAndConnect call(s) has been done. * * @param pIfFactory Pointer to this structure. */ DECLR0CALLBACKMEMBER(void, pfnRelease,(struct INTNETTRUNKFACTORY *pIfFactory)); /** * Create an instance for the specfied host interface and connects it * to the internal network trunk port. * * The initial interface active state is false (suspended). * * * @returns VBox status code. * @retval VINF_SUCCESS and *ppIfPort set on success. * @retval VERR_INTNET_FLT_IF_NOT_FOUND if the interface was not found. * @retval VERR_INTNET_FLT_IF_BUSY if the interface is already connected. * @retval VERR_INTNET_FLT_IF_FAILED if it failed for some other reason. * * @param pIfFactory Pointer to this structure. * @param pszName The interface name (OS specific). * @param pSwitchPort Pointer to the port interface on the switch that * this interface is being connected to. * @param fFlags Creation flags, see below. * @param ppIfPort Where to store the pointer to the interface port * on success. * * @remarks Called while owning the network and the out-bound trunk semaphores. */ DECLR0CALLBACKMEMBER(int, pfnCreateAndConnect,(struct INTNETTRUNKFACTORY *pIfFactory, const char *pszName, PINTNETTRUNKSWPORT pSwitchPort, uint32_t fFlags, PINTNETTRUNKIFPORT *ppIfPort)); } INTNETTRUNKFACTORY; /** Pointer to the trunk factory. */ typedef INTNETTRUNKFACTORY *PINTNETTRUNKFACTORY; /** The UUID for the (current) trunk factory. (case sensitive) */ #define INTNETTRUNKFACTORY_UUID_STR "de504d93-1d1e-4781-8b73-6ea39a0e36a2" /** @name INTNETTRUNKFACTORY::pfnCreateAndConnect flags. * @{ */ /** Don't put the filtered interface in promiscuous mode. * This is used for wireless interface since these can misbehave if * we try to put them in promiscuous mode. (Wireless interfaces are * normally bridged on level 3 instead of level 2.) */ #define INTNETTRUNKFACTORY_FLAG_NO_PROMISC RT_BIT_32(0) /** @} */ /** * The trunk connection type. * * Used by IntNetR0Open and associated interfaces. */ typedef enum INTNETTRUNKTYPE { /** Invalid trunk type. */ kIntNetTrunkType_Invalid = 0, /** No trunk connection. */ kIntNetTrunkType_None, /** We don't care which kind of trunk connection if the network exists, * if it doesn't exist create it without a connection. */ kIntNetTrunkType_WhateverNone, /** VirtualBox host network interface filter driver. * The trunk name is the name of the host network interface. */ kIntNetTrunkType_NetFlt, /** VirtualBox adapter host driver. */ kIntNetTrunkType_NetAdp, /** Nat service (ring-0). */ kIntNetTrunkType_SrvNat, /** The end of valid types. */ kIntNetTrunkType_End, /** The usual 32-bit hack. */ kIntNetTrunkType_32bitHack = 0x7fffffff } INTNETTRUNKTYPE; /** @name IntNetR0Open flags. * * The desired policy options must be specified explicitly, if omitted it is * understood that whatever is current or default is fine with the caller. * * @todo Move the policies out of the flags, use three new parameters. * * @{ */ /** Share the MAC address with the host when sending something to the wire via the trunk. * This is typically used when the trunk is a NetFlt for a wireless interface. */ #define INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE RT_BIT_32(0) /** Require that the current security and promiscuous policies of the network * is exactly as the ones specified in this open network request. * * Use this with INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES to prevent * restrictions from being lifted. If no further policy changes are desired, * apply the relevant _FIXED flags. */ #define INTNET_OPEN_FLAGS_REQUIRE_EXACT RT_BIT_32(1) /** Require that the security and promiscuous policies of the network is at * least as restrictive as specified this request specifies and prevent them * being lifted later on. */ #define INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES RT_BIT_32(2) /** Network access policy: Fixed if set, changable if clear. */ #define INTNET_OPEN_FLAGS_ACCESS_FIXED RT_BIT_32(3) /** Network access policy: Public network. */ #define INTNET_OPEN_FLAGS_ACCESS_PUBLIC RT_BIT_32(4) /** Network access policy: Restricted network. */ #define INTNET_OPEN_FLAGS_ACCESS_RESTRICTED RT_BIT_32(5) /** Promiscuous mode policy: Is it fixed or changable by new participants? */ #define INTNET_OPEN_FLAGS_PROMISC_FIXED RT_BIT_32(6) /** Promiscuous mode policy: Allow the clients to request it. */ #define INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS RT_BIT_32(7) /** Promiscuous mode policy: Deny the clients from requesting it. */ #define INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS RT_BIT_32(8) /** Promiscuous mode policy: Allow the trunk-host to request it. */ #define INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST RT_BIT_32(9) /** Promiscuous mode policy: Deny the trunk-host from requesting it. */ #define INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST RT_BIT_32(10) /** Promiscuous mode policy: Allow the trunk-wire to request it. */ #define INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE RT_BIT_32(11) /** Promiscuous mode policy: Deny the trunk-wire from requesting it. */ #define INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE RT_BIT_32(12) /** Interface policies: Is it fixed or changable (by admin). * @note Per interface, not network wide. */ #define INTNET_OPEN_FLAGS_IF_FIXED RT_BIT_32(13) /** Interface promiscuous mode policy: Allow the interface to request it. */ #define INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW RT_BIT_32(14) /** Interface promiscuous mode policy: Deny the interface from requesting it. */ #define INTNET_OPEN_FLAGS_IF_PROMISC_DENY RT_BIT_32(15) /** Interface promiscuous mode policy: See unrelated trunk traffic. */ #define INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK RT_BIT_32(16) /** Interface promiscuous mode policy: No unrelated trunk traffic visible. */ #define INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK RT_BIT_32(17) /** Trunk policy: Fixed if set, changable if clear. * @remarks The DISABLED options are considered more restrictive by * INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES. */ #define INTNET_OPEN_FLAGS_TRUNK_FIXED RT_BIT_32(18) /** Trunk policy: The host end should be enabled. */ #define INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED RT_BIT_32(19) /** Trunk policy: The host end should be disabled. */ #define INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED RT_BIT_32(20) /** Trunk policy: The host should only see packets destined for it. */ #define INTNET_OPEN_FLAGS_TRUNK_HOST_CHASTE_MODE RT_BIT_32(21) /** Trunk policy: The host should see all packets. */ #define INTNET_OPEN_FLAGS_TRUNK_HOST_PROMISC_MODE RT_BIT_32(22) /** Trunk policy: The wire end should be enabled. */ #define INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED RT_BIT_32(23) /** Trunk policy: The wire end should be disabled. */ #define INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED RT_BIT_32(24) /** Trunk policy: The wire should only see packets destined for it. */ #define INTNET_OPEN_FLAGS_TRUNK_WIRE_CHASTE_MODE RT_BIT_32(25) /** Trunk policy: The wire should see all packets. */ #define INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE RT_BIT_32(26) /** Used to enable host specific workarounds. * * On darwin this will clear ip_tos in DHCP packets when * INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE is also set. */ #define INTNET_OPEN_FLAGS_WORKAROUND_1 RT_BIT_32(31) /** The mask of valid flags. */ #define INTNET_OPEN_FLAGS_MASK UINT32_C(0x83ffffff) /** The mask of all flags use to fix (lock) settings. */ #define INTNET_OPEN_FLAGS_FIXED_MASK \ ( INTNET_OPEN_FLAGS_ACCESS_FIXED \ | INTNET_OPEN_FLAGS_PROMISC_FIXED \ | INTNET_OPEN_FLAGS_IF_FIXED \ | INTNET_OPEN_FLAGS_TRUNK_FIXED ) /** The mask of all policy pairs. */ #define INTNET_OPEN_FLAGS_PAIR_MASK \ ( INTNET_OPEN_FLAGS_ACCESS_PUBLIC | INTNET_OPEN_FLAGS_ACCESS_RESTRICTED \ | INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS | INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS \ | INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST | INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST \ | INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE | INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE \ | INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW | INTNET_OPEN_FLAGS_IF_PROMISC_DENY \ | INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK | INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK \ | INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED | INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED \ | INTNET_OPEN_FLAGS_TRUNK_HOST_PROMISC_MODE | INTNET_OPEN_FLAGS_TRUNK_HOST_CHASTE_MODE \ | INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED | INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED \ | INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE | INTNET_OPEN_FLAGS_TRUNK_WIRE_CHASTE_MODE \ ) /** The mask of all relaxed policy bits. */ #define INTNET_OPEN_FLAGS_RELAXED_MASK \ ( INTNET_OPEN_FLAGS_ACCESS_PUBLIC \ | INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS \ | INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST \ | INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE \ | INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW \ | INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK \ | INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED \ | INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE \ | INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED \ | INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE \ ) /** The mask of all strict policy bits. */ #define INTNET_OPEN_FLAGS_STRICT_MASK \ ( INTNET_OPEN_FLAGS_ACCESS_RESTRICTED \ | INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS \ | INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST \ | INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE \ | INTNET_OPEN_FLAGS_IF_PROMISC_DENY \ | INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK \ | INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED \ | INTNET_OPEN_FLAGS_TRUNK_HOST_CHASTE_MODE \ | INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED \ | INTNET_OPEN_FLAGS_TRUNK_WIRE_CHASTE_MODE \ ) /** @} */ /** The maximum length of a network name. */ #define INTNET_MAX_NETWORK_NAME 128 /** The maximum length of a trunk name. */ #define INTNET_MAX_TRUNK_NAME 64 /** * Request buffer for IntNetR0OpenReq / VMMR0_DO_INTNET_OPEN. * @see IntNetR0Open. */ typedef struct INTNETOPENREQ { /** The request header. */ SUPVMMR0REQHDR Hdr; /** Alternative to passing the taking the session from the VM handle. * Either use this member or use the VM handle, don't do both. */ PSUPDRVSESSION pSession; /** The network name. (input) */ char szNetwork[INTNET_MAX_NETWORK_NAME]; /** What to connect to the trunk port. (input) * This is specific to the trunk type below. */ char szTrunk[INTNET_MAX_TRUNK_NAME]; /** The type of trunk link (NAT, Filter, TAP, etc). (input) */ INTNETTRUNKTYPE enmTrunkType; /** Flags, see INTNET_OPEN_FLAGS_*. (input) */ uint32_t fFlags; /** The size of the send buffer. (input) */ uint32_t cbSend; /** The size of the receive buffer. (input) */ uint32_t cbRecv; /** The handle to the network interface. (output) */ INTNETIFHANDLE hIf; } INTNETOPENREQ; /** Pointer to an IntNetR0OpenReq / VMMR0_DO_INTNET_OPEN request buffer. */ typedef INTNETOPENREQ *PINTNETOPENREQ; INTNETR0DECL(int) IntNetR0OpenReq(PSUPDRVSESSION pSession, PINTNETOPENREQ pReq); /** * Request buffer for IntNetR0IfCloseReq / VMMR0_DO_INTNET_IF_CLOSE. * @see IntNetR0IfClose. */ typedef struct INTNETIFCLOSEREQ { /** The request header. */ SUPVMMR0REQHDR Hdr; /** Alternative to passing the taking the session from the VM handle. * Either use this member or use the VM handle, don't do both. */ PSUPDRVSESSION pSession; /** The handle to the network interface. */ INTNETIFHANDLE hIf; } INTNETIFCLOSEREQ; /** Pointer to an IntNetR0IfCloseReq / VMMR0_DO_INTNET_IF_CLOSE request * buffer. */ typedef INTNETIFCLOSEREQ *PINTNETIFCLOSEREQ; INTNETR0DECL(int) IntNetR0IfCloseReq(PSUPDRVSESSION pSession, PINTNETIFCLOSEREQ pReq); /** * Request buffer for IntNetR0IfGetRing3BufferReq / * VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS. * @see IntNetR0IfGetRing3Buffer. */ typedef struct INTNETIFGETBUFFERPTRSREQ { /** The request header. */ SUPVMMR0REQHDR Hdr; /** Alternative to passing the taking the session from the VM handle. * Either use this member or use the VM handle, don't do both. */ PSUPDRVSESSION pSession; /** Handle to the interface. */ INTNETIFHANDLE hIf; /** The pointer to the ring-3 buffer. (output) */ R3PTRTYPE(PINTNETBUF) pRing3Buf; /** The pointer to the ring-0 buffer. (output) */ R0PTRTYPE(PINTNETBUF) pRing0Buf; } INTNETIFGETBUFFERPTRSREQ; /** Pointer to an IntNetR0IfGetRing3BufferReq / * VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS request buffer. */ typedef INTNETIFGETBUFFERPTRSREQ *PINTNETIFGETBUFFERPTRSREQ; INTNETR0DECL(int) IntNetR0IfGetBufferPtrsReq(PSUPDRVSESSION pSession, PINTNETIFGETBUFFERPTRSREQ pReq); /** * Request buffer for IntNetR0IfSetPromiscuousModeReq / * VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE. * @see IntNetR0IfSetPromiscuousMode. */ typedef struct INTNETIFSETPROMISCUOUSMODEREQ { /** The request header. */ SUPVMMR0REQHDR Hdr; /** Alternative to passing the taking the session from the VM handle. * Either use this member or use the VM handle, don't do both. */ PSUPDRVSESSION pSession; /** Handle to the interface. */ INTNETIFHANDLE hIf; /** The new promiscuous mode. */ bool fPromiscuous; } INTNETIFSETPROMISCUOUSMODEREQ; /** Pointer to an IntNetR0IfSetPromiscuousModeReq / * VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE request buffer. */ typedef INTNETIFSETPROMISCUOUSMODEREQ *PINTNETIFSETPROMISCUOUSMODEREQ; INTNETR0DECL(int) IntNetR0IfSetPromiscuousModeReq(PSUPDRVSESSION pSession, PINTNETIFSETPROMISCUOUSMODEREQ pReq); /** * Request buffer for IntNetR0IfSetMacAddressReq / * VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS. * @see IntNetR0IfSetMacAddress. */ typedef struct INTNETIFSETMACADDRESSREQ { /** The request header. */ SUPVMMR0REQHDR Hdr; /** Alternative to passing the taking the session from the VM handle. * Either use this member or use the VM handle, don't do both. */ PSUPDRVSESSION pSession; /** Handle to the interface. */ INTNETIFHANDLE hIf; /** The new MAC address. */ RTMAC Mac; } INTNETIFSETMACADDRESSREQ; /** Pointer to an IntNetR0IfSetMacAddressReq / * VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS request buffer. */ typedef INTNETIFSETMACADDRESSREQ *PINTNETIFSETMACADDRESSREQ; INTNETR0DECL(int) IntNetR0IfSetMacAddressReq(PSUPDRVSESSION pSession, PINTNETIFSETMACADDRESSREQ pReq); /** * Request buffer for IntNetR0IfSetActiveReq / VMMR0_DO_INTNET_IF_SET_ACTIVE. * @see IntNetR0IfSetActive. */ typedef struct INTNETIFSETACTIVEREQ { /** The request header. */ SUPVMMR0REQHDR Hdr; /** Alternative to passing the taking the session from the VM handle. * Either use this member or use the VM handle, don't do both. */ PSUPDRVSESSION pSession; /** Handle to the interface. */ INTNETIFHANDLE hIf; /** The new state. */ bool fActive; } INTNETIFSETACTIVEREQ; /** Pointer to an IntNetR0IfSetActiveReq / VMMR0_DO_INTNET_IF_SET_ACTIVE * request buffer. */ typedef INTNETIFSETACTIVEREQ *PINTNETIFSETACTIVEREQ; INTNETR0DECL(int) IntNetR0IfSetActiveReq(PSUPDRVSESSION pSession, PINTNETIFSETACTIVEREQ pReq); /** * Request buffer for IntNetR0IfSendReq / VMMR0_DO_INTNET_IF_SEND. * @see IntNetR0IfSend. */ typedef struct INTNETIFSENDREQ { /** The request header. */ SUPVMMR0REQHDR Hdr; /** Alternative to passing the taking the session from the VM handle. * Either use this member or use the VM handle, don't do both. */ PSUPDRVSESSION pSession; /** Handle to the interface. */ INTNETIFHANDLE hIf; } INTNETIFSENDREQ; /** Pointer to an IntNetR0IfSend() argument package. */ typedef INTNETIFSENDREQ *PINTNETIFSENDREQ; INTNETR0DECL(int) IntNetR0IfSendReq(PSUPDRVSESSION pSession, PINTNETIFSENDREQ pReq); /** * Request buffer for IntNetR0IfWaitReq / VMMR0_DO_INTNET_IF_WAIT. * @see IntNetR0IfWait. */ typedef struct INTNETIFWAITREQ { /** The request header. */ SUPVMMR0REQHDR Hdr; /** Alternative to passing the taking the session from the VM handle. * Either use this member or use the VM handle, don't do both. */ PSUPDRVSESSION pSession; /** Handle to the interface. */ INTNETIFHANDLE hIf; /** The number of milliseconds to wait. */ uint32_t cMillies; } INTNETIFWAITREQ; /** Pointer to an IntNetR0IfWaitReq / VMMR0_DO_INTNET_IF_WAIT request buffer. */ typedef INTNETIFWAITREQ *PINTNETIFWAITREQ; INTNETR0DECL(int) IntNetR0IfWaitReq(PSUPDRVSESSION pSession, PINTNETIFWAITREQ pReq); /** * Request buffer for IntNetR0IfAbortWaitReq / VMMR0_DO_INTNET_IF_ABORT_WAIT. * @see IntNetR0IfAbortWait. */ typedef struct INTNETIFABORTWAITREQ { /** The request header. */ SUPVMMR0REQHDR Hdr; /** Alternative to passing the taking the session from the VM handle. * Either use this member or use the VM handle, don't do both. */ PSUPDRVSESSION pSession; /** Handle to the interface. */ INTNETIFHANDLE hIf; /** Set this to fend off all future IntNetR0Wait calls. */ bool fNoMoreWaits; } INTNETIFABORTWAITREQ; /** Pointer to an IntNetR0IfAbortWaitReq / VMMR0_DO_INTNET_IF_ABORT_WAIT * request buffer. */ typedef INTNETIFABORTWAITREQ *PINTNETIFABORTWAITREQ; INTNETR0DECL(int) IntNetR0IfAbortWaitReq(PSUPDRVSESSION pSession, PINTNETIFABORTWAITREQ pReq); #if defined(IN_RING0) || defined(IN_INTNET_TESTCASE) /** @name * @{ */ INTNETR0DECL(int) IntNetR0Init(void); INTNETR0DECL(void) IntNetR0Term(void); INTNETR0DECL(int) IntNetR0Open(PSUPDRVSESSION pSession, const char *pszNetwork, INTNETTRUNKTYPE enmTrunkType, const char *pszTrunk, uint32_t fFlags, uint32_t cbSend, uint32_t cbRecv, PINTNETIFHANDLE phIf); INTNETR0DECL(uint32_t) IntNetR0GetNetworkCount(void); INTNETR0DECL(int) IntNetR0IfClose(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession); INTNETR0DECL(int) IntNetR0IfGetBufferPtrs(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, R3PTRTYPE(PINTNETBUF) *ppRing3Buf, R0PTRTYPE(PINTNETBUF) *ppRing0Buf); INTNETR0DECL(int) IntNetR0IfSetPromiscuousMode(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, bool fPromiscuous); INTNETR0DECL(int) IntNetR0IfSetMacAddress(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, PCRTMAC pMac); INTNETR0DECL(int) IntNetR0IfSetActive(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, bool fActive); INTNETR0DECL(int) IntNetR0IfSend(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession); INTNETR0DECL(int) IntNetR0IfWait(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, uint32_t cMillies); INTNETR0DECL(int) IntNetR0IfAbortWait(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession); /** @} */ #endif /* IN_RING0 */ RT_C_DECLS_END #endif /* !VBOX_INCLUDED_intnet_h */