Changeset 41820 in vbox for trunk/src/VBox/Devices

Timestamp:

Jun 19, 2012 7:37:40 AM (12 years ago)

Author:

vboxsync

Message:

virtio: fixed GSO header issue causing heavy loss of packets (#4807)

File:

• trunk/src/VBox/Devices/Network/DevVirtioNet.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Network/DevVirtioNet.cpp

@@ -1141 +1141 @@
                                     pGso->cbHdrsTotal = Hdr.u16CSumStart +
                                         ((PRTNETTCP)(((uint8_t*)pSgBuf->aSegs[0].pvSeg) + Hdr.u16CSumStart))->th_off * 4;
+                                    pGso->cbHdrsSeg   = pGso->cbHdrsTotal;
                                     break;
                                 case PDMNETWORKGSOTYPE_IPV4_UDP:
                                     pGso->cbHdrsTotal = Hdr.u16CSumStart + sizeof(RTNETUDP);
+                                    pGso->cbHdrsSeg   = Hdr.u16CSumStart;
                                     break;
                             }
                             /* Update GSO structure embedded into the frame */
                             ((PPDMNETWORKGSO)pSgBuf->pvUser)->cbHdrsTotal = pGso->cbHdrsTotal;
+                            ((PPDMNETWORKGSO)pSgBuf->pvUser)->cbHdrsSeg   = pGso->cbHdrsTotal;
                             Log4(("%s vnetTransmitPendingPackets: adjusted HdrLen to %d.\n",
                                   INSTANCE(pState), pGso->cbHdrsTotal));