From 1099a9838abcb158b47714c800a9666eb82c97ea Mon Sep 17 00:00:00 2001
From: Nathan Binkert <nate@binkert.org>
Date: Tue, 17 Jun 2008 22:22:44 -0700
Subject: Ethernet: share statistics between all ethernet devices and apply
 some of those statistics to the e1000 model.

---
 src/dev/i8254xGBe.cc | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/dev/i8254xGBe.cc')

diff --git a/src/dev/i8254xGBe.cc b/src/dev/i8254xGBe.cc
index ff255d5f7..3b1970432 100644
--- a/src/dev/i8254xGBe.cc
+++ b/src/dev/i8254xGBe.cc
@@ -584,6 +584,7 @@ IGbE::postInterrupt(IntTypes t, bool now)
         if (interEvent.scheduled()) {
             interEvent.deschedule();
         }
+        postedInterrupts++;
         cpuPostInt();
     } else {
        DPRINTF(EthernetIntr, "EINT: Scheduling timer interrupt for %d ticks\n",
@@ -740,6 +741,7 @@ IGbE::RxDescCache::pktComplete()
             DPRINTF(EthernetDesc, "Checking IP checksum\n");
             status |= RXDS_IPCS;
             desc->csum = htole(cksum(ip));
+            igbe->rxIpChecksums++;
             if (cksum(ip) != 0) {
                 err |= RXDE_IPE;
                 DPRINTF(EthernetDesc, "Checksum is bad!!\n");
@@ -750,6 +752,7 @@ IGbE::RxDescCache::pktComplete()
             DPRINTF(EthernetDesc, "Checking TCP checksum\n");
             status |= RXDS_TCPCS;
             desc->csum = htole(cksum(tcp));
+            igbe->rxTcpChecksums++;
             if (cksum(tcp) != 0) {
                 DPRINTF(EthernetDesc, "Checksum is bad!!\n");
                 err |= RXDE_TCPE;
@@ -761,6 +764,7 @@ IGbE::RxDescCache::pktComplete()
             DPRINTF(EthernetDesc, "Checking UDP checksum\n");
             status |= RXDS_UDPCS;
             desc->csum = htole(cksum(udp));
+            igbe->rxUdpChecksums++;
             if (cksum(udp) != 0) {
                 DPRINTF(EthernetDesc, "Checksum is bad!!\n");
                 err |= RXDE_TCPE;
@@ -994,6 +998,7 @@ IGbE::TxDescCache::pktComplete()
         if (TxdOp::ixsm(desc)) {
             ip->sum(0);
             ip->sum(cksum(ip));
+            igbe->txIpChecksums++;
             DPRINTF(EthernetDesc, "Calculated IP checksum\n");
         }
         if (TxdOp::txsm(desc)) {
@@ -1002,11 +1007,13 @@ IGbE::TxDescCache::pktComplete()
             if (tcp) {
                  tcp->sum(0);
                  tcp->sum(cksum(tcp));
+                 igbe->txTcpChecksums++;
                  DPRINTF(EthernetDesc, "Calculated TCP checksum\n");
             } else if (udp) {
                  assert(udp);
                  udp->sum(0);
                  udp->sum(cksum(udp));
+                 igbe->txUdpChecksums++;
                  DPRINTF(EthernetDesc, "Calculated UDP checksum\n");
             } else {
                 panic("Told to checksum, but don't know how\n");
@@ -1247,6 +1254,9 @@ IGbE::txStateMachine()
 bool
 IGbE::ethRxPkt(EthPacketPtr pkt)
 {
+    rxBytes += pkt->length;
+    rxPackets++;
+
     DPRINTF(Ethernet, "RxFIFO: Receiving pcakte from wire\n");
 
     if (!regs.rctl.en()) {
@@ -1380,6 +1390,10 @@ IGbE::txWire()
         }
         DPRINTF(EthernetSM, "TxFIFO: Successful transmit, bytes available in fifo: %d\n",
                 txFifo.avail());
+
+        txBytes += txFifo.front()->length;
+        txPackets++;
+
         txFifo.pop();
     } else {
         // We'll get woken up when the packet ethTxDone() gets called
-- 
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