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-rw-r--r--src/dev/i8254xGBe.cc34
1 files changed, 19 insertions, 15 deletions
diff --git a/src/dev/i8254xGBe.cc b/src/dev/i8254xGBe.cc
index db03f5778..d26bbf4ba 100644
--- a/src/dev/i8254xGBe.cc
+++ b/src/dev/i8254xGBe.cc
@@ -1534,7 +1534,10 @@ IGbE::RxDescCache::unserialize(Checkpoint *cp, const std::string &section)
IGbE::TxDescCache::TxDescCache(IGbE *i, const std::string n, int s)
: DescCache<TxDesc>(i,n, s), pktDone(false), isTcp(false),
pktWaiting(false), completionAddress(0), completionEnabled(false),
- useTso(false), pktEvent(this), headerEvent(this), nullEvent(this)
+ useTso(false), tsoHeaderLen(0), tsoMss(0), tsoTotalLen(0), tsoUsedLen(0),
+ tsoPrevSeq(0), tsoPktPayloadBytes(0), tsoLoadedHeader(false),
+ tsoPktHasHeader(false), tsoDescBytesUsed(0), tsoCopyBytes(0), tsoPkts(0),
+ pktEvent(this), headerEvent(this), nullEvent(this)
{
annSmFetch = "TX Desc Fetch";
annSmWb = "TX Desc Writeback";
@@ -1582,7 +1585,7 @@ IGbE::TxDescCache::processContextDesc()
tsoPrevSeq = 0;
tsoPktHasHeader = false;
tsoPkts = 0;
-
+ tsoCopyBytes = 0;
}
TxdOp::setDd(desc);
@@ -1666,19 +1669,20 @@ IGbE::TxDescCache::getPacketSize(EthPacketPtr p)
DPRINTF(EthernetDesc, "TSO: use: %d hdrlen: %d mss: %d total: %d "
"used: %d loaded hdr: %d\n", useTso, tsoHeaderLen, tsoMss,
tsoTotalLen, tsoUsedLen, tsoLoadedHeader);
- DPRINTF(EthernetDesc, "TSO: descBytesUsed: %d copyBytes: %d "
- "this descLen: %d\n",
- tsoDescBytesUsed, tsoCopyBytes, TxdOp::getLen(desc));
- DPRINTF(EthernetDesc, "TSO: pktHasHeader: %d\n", tsoPktHasHeader);
-
+
if (tsoPktHasHeader)
tsoCopyBytes = std::min((tsoMss + tsoHeaderLen) - p->length,
- TxdOp::getLen(desc) - tsoDescBytesUsed);
+ TxdOp::getLen(desc) - tsoDescBytesUsed);
else
tsoCopyBytes = std::min(tsoMss,
TxdOp::getLen(desc) - tsoDescBytesUsed);
unsigned pkt_size =
tsoCopyBytes + (tsoPktHasHeader ? 0 : tsoHeaderLen);
+
+ DPRINTF(EthernetDesc, "TSO: descBytesUsed: %d copyBytes: %d "
+ "this descLen: %d\n",
+ tsoDescBytesUsed, tsoCopyBytes, TxdOp::getLen(desc));
+ DPRINTF(EthernetDesc, "TSO: pktHasHeader: %d\n", tsoPktHasHeader);
DPRINTF(EthernetDesc, "TSO: Next packet is %d bytes\n", pkt_size);
return pkt_size;
}
@@ -1720,8 +1724,6 @@ IGbE::TxDescCache::getPacketData(EthPacketPtr p)
}
if (useTso) {
- tsoDescBytesUsed += tsoCopyBytes;
- assert(tsoDescBytesUsed <= TxdOp::getLen(desc));
DPRINTF(EthernetDesc,
"Starting DMA of packet at offset %d length: %d\n",
p->length, tsoCopyBytes);
@@ -1729,6 +1731,8 @@ IGbE::TxDescCache::getPacketData(EthPacketPtr p)
+ tsoDescBytesUsed,
tsoCopyBytes, &pktEvent, p->data + p->length,
igbe->txReadDelay);
+ tsoDescBytesUsed += tsoCopyBytes;
+ assert(tsoDescBytesUsed <= TxdOp::getLen(desc));
} else {
igbe->dmaRead(pciToDma(TxdOp::getBuf(desc)),
TxdOp::getLen(desc), &pktEvent, p->data + p->length,
@@ -1755,19 +1759,19 @@ IGbE::TxDescCache::pktComplete()
DPRINTF(EthernetDesc, "TxDescriptor data d1: %#llx d2: %#llx\n",
desc->d1, desc->d2);
- DPRINTF(EthernetDesc, "TSO: use: %d hdrlen: %d mss: %d total: %d "
- "used: %d loaded hdr: %d\n", useTso, tsoHeaderLen, tsoMss,
- tsoTotalLen, tsoUsedLen, tsoLoadedHeader);
// Set the length of the data in the EtherPacket
if (useTso) {
+ DPRINTF(EthernetDesc, "TSO: use: %d hdrlen: %d mss: %d total: %d "
+ "used: %d loaded hdr: %d\n", useTso, tsoHeaderLen, tsoMss,
+ tsoTotalLen, tsoUsedLen, tsoLoadedHeader);
pktPtr->length += tsoCopyBytes;
tsoUsedLen += tsoCopyBytes;
+ DPRINTF(EthernetDesc, "TSO: descBytesUsed: %d copyBytes: %d\n",
+ tsoDescBytesUsed, tsoCopyBytes);
} else
pktPtr->length += TxdOp::getLen(desc);
- DPRINTF(EthernetDesc, "TSO: descBytesUsed: %d copyBytes: %d\n",
- tsoDescBytesUsed, tsoCopyBytes);
if ((!TxdOp::eop(desc) && !useTso) ||