diff options
Diffstat (limited to 'src/dev/i8254xGBe.cc')
| -rw-r--r-- | src/dev/i8254xGBe.cc | 34 |
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 §ion) 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) || |