Cross Reference: /vbox/src/VBox/Devices/Network/DrvTAP.cpp

Lines Matching refs:pSgBuf
177     PPDMSCATTERGATHER pSgBuf = (PPDMSCATTERGATHER)RTMemAlloc(  RT_ALIGN_Z(sizeof(*pSgBuf), 16)
180     if (!pSgBuf)
186     pSgBuf->fFlags         = PDMSCATTERGATHER_FLAGS_MAGIC | PDMSCATTERGATHER_FLAGS_OWNER_1;
187     pSgBuf->cbUsed         = 0;
188     pSgBuf->cbAvailable    = RT_ALIGN_Z(cbMin, 16);
189     pSgBuf->pvAllocator    = NULL;
191         pSgBuf->pvUser     = NULL;
194         pSgBuf->pvUser     = (uint8_t *)(pSgBuf + 1) + pSgBuf->cbAvailable;
195         *(PPDMNETWORKGSO)pSgBuf->pvUser = *pGso;
197     pSgBuf->cSegs          = 1;
198     pSgBuf->aSegs[0].cbSeg = pSgBuf->cbAvailable;
199     pSgBuf->aSegs[0].pvSeg = pSgBuf + 1;
202     memset(pSgBuf->aSegs[0].pvSeg, 'F', pSgBuf->aSegs[0].cbSeg);
204     *ppSgBuf = pSgBuf;
212 static DECLCALLBACK(int) drvTAPNetworkUp_FreeBuf(PPDMINETWORKUP pInterface, PPDMSCATTERGATHER pSgBuf)
216     if (pSgBuf)
218         Assert((pSgBuf->fFlags & PDMSCATTERGATHER_FLAGS_MAGIC_MASK) == PDMSCATTERGATHER_FLAGS_MAGIC);
219         pSgBuf->fFlags = 0;
220         RTMemFree(pSgBuf);
229 static DECLCALLBACK(int) drvTAPNetworkUp_SendBuf(PPDMINETWORKUP pInterface, PPDMSCATTERGATHER pSgBuf, bool fOnWorkerThread)
233     STAM_COUNTER_ADD(&pThis->StatPktSentBytes, pSgBuf->cbUsed);
236     AssertPtr(pSgBuf);
237     Assert((pSgBuf->fFlags & PDMSCATTERGATHER_FLAGS_MAGIC_MASK) == PDMSCATTERGATHER_FLAGS_MAGIC);
244     if (!pSgBuf->pvUser)
249                  pSgBuf->cbUsed, u64Now, u64Now - pThis->u64LastReceiveTS, u64Now - pThis->u64LastTransferTS));
252         Log2(("drvTAPSend: pSgBuf->aSegs[0].pvSeg=%p pSgBuf->cbUsed=%#x\n"
254               pSgBuf->aSegs[0].pvSeg, pSgBuf->cbUsed, pSgBuf->cbUsed, pSgBuf->aSegs[0].pvSeg));
256         rc = RTFileWrite(pThis->hFileDevice, pSgBuf->aSegs[0].pvSeg, pSgBuf->cbUsed, NULL);
261         uint8_t const  *pbFrame = (uint8_t const *)pSgBuf->aSegs[0].pvSeg;
262         PCPDMNETWORKGSO pGso    = (PCPDMNETWORKGSO)pSgBuf->pvUser;
263         uint32_t const  cSegs   = PDMNetGsoCalcSegmentCount(pGso, pSgBuf->cbUsed);  Assert(cSegs > 1);
268             void *pvSegFrame = PDMNetGsoCarveSegmentQD(pGso, (uint8_t *)pbFrame, pSgBuf->cbUsed, abHdrScratch,
276     pSgBuf->fFlags = 0;
277     RTMemFree(pSgBuf);