diff options
Diffstat (limited to 'src/VBox/Devices/Network/SrvIntNetR0.cpp')
| -rw-r--r-- | src/VBox/Devices/Network/SrvIntNetR0.cpp | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/VBox/Devices/Network/SrvIntNetR0.cpp b/src/VBox/Devices/Network/SrvIntNetR0.cpp index 1a2b055d..728cd25a 100644 --- a/src/VBox/Devices/Network/SrvIntNetR0.cpp +++ b/src/VBox/Devices/Network/SrvIntNetR0.cpp @@ -4104,9 +4104,16 @@ INTNETR0DECL(int) IntNetR0IfSend(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession) * Process the send buffer. */ INTNETSWDECISION enmSwDecision = INTNETSWDECISION_BROADCAST; - INTNETSG Sg; /** @todo this will have to be changed if we're going to use async sending - * with buffer sharing for some OS or service. Darwin copies everything so - * I won't bother allocating and managing SGs right now. Sorry. */ + + /** @todo this will have to be changed if we're going to use async sending + * with buffer sharing for some OS or service. Darwin copies everything so + * I won't bother allocating and managing SGs right now. Sorry. */ + union + { + uint8_t abBuf[sizeof(INTNETSG) + sizeof(INTNETSEG)]; + INTNETSG SG; + } u; + PINTNETHDR pHdr; while ((pHdr = IntNetRingGetNextFrameToRead(&pIf->pIntBuf->Send)) != NULL) { @@ -4115,10 +4122,10 @@ INTNETR0DECL(int) IntNetR0IfSend(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession) { /* Send regular frame. */ void *pvCurFrame = IntNetHdrGetFramePtr(pHdr, pIf->pIntBuf); - IntNetSgInitTemp(&Sg, pvCurFrame, pHdr->cbFrame); + IntNetSgInitTemp(&u.SG, pvCurFrame, pHdr->cbFrame); if (pNetwork->fFlags & INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE) - intnetR0IfSnoopAddr(pIf, (uint8_t *)pvCurFrame, pHdr->cbFrame, false /*fGso*/, (uint16_t *)&Sg.fFlags); - enmSwDecision = intnetR0NetworkSend(pNetwork, pIf, 0 /*fSrc*/, &Sg, pDstTab); + intnetR0IfSnoopAddr(pIf, (uint8_t *)pvCurFrame, pHdr->cbFrame, false /*fGso*/, (uint16_t *)&u.SG.fFlags); + enmSwDecision = intnetR0NetworkSend(pNetwork, pIf, 0 /*fSrc*/, &u.SG, pDstTab); } else if (u8Type == INTNETHDR_TYPE_GSO) { @@ -4128,10 +4135,10 @@ INTNETR0DECL(int) IntNetR0IfSend(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession) if (RT_LIKELY(PDMNetGsoIsValid(pGso, pHdr->cbFrame, cbFrame))) { void *pvCurFrame = pGso + 1; - IntNetSgInitTempGso(&Sg, pvCurFrame, cbFrame, pGso); + IntNetSgInitTempGso(&u.SG, pvCurFrame, cbFrame, pGso); if (pNetwork->fFlags & INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE) - intnetR0IfSnoopAddr(pIf, (uint8_t *)pvCurFrame, cbFrame, true /*fGso*/, (uint16_t *)&Sg.fFlags); - enmSwDecision = intnetR0NetworkSend(pNetwork, pIf, 0 /*fSrc*/, &Sg, pDstTab); + intnetR0IfSnoopAddr(pIf, (uint8_t *)pvCurFrame, cbFrame, true /*fGso*/, (uint16_t *)&u.SG.fFlags); + enmSwDecision = intnetR0NetworkSend(pNetwork, pIf, 0 /*fSrc*/, &u.SG, pDstTab); } else { |