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-rw-r--r--nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local25
1 files changed, 22 insertions, 3 deletions
diff --git a/nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local b/nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local
index 596cfdb..8aab1ae 100644
--- a/nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local
+++ b/nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local
@@ -34,6 +34,25 @@ for irq in `ls /proc/irq/`; do
done
tuna -c $(seq -s, 1 1 $WORKER_CORES) --isolate
+# Sometimes the interfaces on the loopback VM will use different drivers, e.g.
+# one from vswitch which is virtio based, one is from SRIOV VF. In this case,
+# we have to make sure the forwarder uses them in the right order, which is
+# especially important if the VM is in a PVVP chain.
+if [ -z $INTF_MAC1 ] && [ -z $INTF_MAC2 ]; then
+ NET_PATH=/sys/class/net
+ EXP_INTF_1=$(for f in $(ls $NET_PATH/); do if [ ! $(grep -o "$INTF_MAC1" $NET_PATH/$f/address) ]; then break; fi; done)
+ EXP_PCI_ADDRESS_1=$(basename $(readlink $NET_PATH/$EXP_INTF_1/device))
+ EXP_INTF_2=$(for f in $(ls $NET_PATH/); do if [ ! $(grep -o "$INTF_MAC2" $NET_PATH/$f/address) ]; then break; fi; done)
+ EXP_PCI_ADDRESS_2=$(basename $(readlink $NET_PATH/$EXP_INTF_2/device))
+ if [ "$PCI_ADDRESS_1" == "$EXP_PCI_ADDRESS_2" ] && [ "$PCI_ADDRESS_2" == "$EXP_PCI_ADDRESS_1" ]; then
+ # Interfaces are not coming in the expected order:
+ # (1) Swap the MAC in the case of testpmd;
+ # (2) Swap the interface order in the case of VPP;
+ TEMP=$PCI_ADDRESS_1; PCI_ADDRESS_1=$PCI_ADDRESS_2; PCI_ADDRESS_2=$TEMP
+ TEMP=$TG_MAC1; TG_MAC1=$TG_MAC2; TG_MAC2=$TEMP
+ fi
+fi
+
# Configure the forwarder
if [ "$FORWARDER" == "testpmd" ]; then
echo "Configuring testpmd..."
@@ -56,8 +75,9 @@ if [ "$FORWARDER" == "testpmd" ]; then
--eth-peer=0,$TG_MAC1 \
--eth-peer=1,$TG_MAC2 \
--forward-mode=mac \
- --nb-cores=$WORKER_CORES\
- --max-pkt-len 9000
+ --nb-cores=$WORKER_CORES \
+ --max-pkt-len=9000 \
+ --cmdline-file=/dpdk/testpmd_cmd.txt
else
echo "Configuring vpp..."
cp /vpp/startup.conf /etc/vpp/startup.conf
@@ -81,6 +101,5 @@ else
sed -i "s/{{TG_NET2}}/${TG_NET2//\//\/}/g" /etc/vpp/vm.conf
sed -i "s/{{TG_GATEWAY1_IP}}/${TG_GATEWAY1_IP}/g" /etc/vpp/vm.conf
sed -i "s/{{TG_GATEWAY2_IP}}/${TG_GATEWAY2_IP}/g" /etc/vpp/vm.conf
-
service vpp restart
fi