linux

Timestamp:

Apr 7, 2010 11:20:09 PM (15 years ago)

Author:

vboxsync

Message:

VBoxNetFlt: Deal with multi segment SG buffers. TODO: One weird windows code path.

File:

trunk/src/VBox/HostDrivers/VBoxNetFlt/linux/VBoxNetFlt-linux.c

-              r28069
+              r28070
     /* Copy the segments. */
     skb_put(pPkt, pSG->cbTotal);
+    memcpy(pPkt->data, pSG->aSegs[0].pv, pSG->aSegs[0].cb);
+    if (pSG->cSegsUsed > 1)
+    {
+        uint8_t *pbDst = (uint8_t *)pPkt->data + pSG->aSegs[0].cb;
+        size_t   iSeg  = 0;
+        while (++iSeg < pSG->cSegsUsed)
+        {
+            memcpy(pbDst, pSG->aSegs[iSeg].pv, pSG->aSegs[iSeg].cb);
+            pbDst += pSG->aSegs[iSeg].cb;
+            Assert((uintptr_t)pbDst - (uintptr_t)pPkt->data <= pSG->cbTotal);
+        }
+    }
+    INTNETSgRead(pSG, pPkt->data);
     /* Set protocol and packet_type fields. */

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