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Date: Wed, 11 Oct 2017 22:14:20 +0000 (UTC)
From: zhi ma <zhima2006@yahoo.com>
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Subject: [dpdk-users] Need help to run test_pmd via sr-iov setup
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Need help to run test_pmd via sr-iov setup
my steps:1. set "intel_iommu=3Don" in kernel boot parameter2. update host g=
rub and reboot3. create VF:=C2=A0 =C2=A0 echo 1 > /sys/class/net/eth17/devi=
ce sriov_numvfs=C2=A0 =C2=A0 echo 1 > /sys/class/net/eth18/device sriov_num=
vfs=C2=A0 =C2=A0 cat /sys/class/net/eth17/device sriov_numvfs=C2=A0 =C2=A0 =
1=C2=A0 =C2=A0 cat /sys/class/net/eth18/device sriov_numvfs=C2=A0 =C2=A0 1=
=C2=A04. set Mac=C2=A0 =C2=A0 ip link set eth17 vf 0 mac aa:bb:cc:dd:00:00=
=C2=A0 =C2=A0 ip link set eth18 vf 0 mac aa:bb:cc:dd:01:00=C2=A05. rmmod ix=
gbevf=C2=A06. start ubuntu 14.04 vm with KVM virt-manager, add two PCI host=
 device (Virtual function devices)=C2=A07. run dpdk app --- test_pmd in vm =
(two ports connected back to back)=C2=A0 =C2=A0 start tx_first=C2=A0 =C2=A0=
 stop=C2=A0 =C2=A0 no packets=C2=A0=C2=A08. if I run test_pmd inside host m=
achine, it works fine. (so those two ports connected fine)
=C2=A0INTEL X520-SR2=C2=A0both host and guest vm running as ubuntu 14.04
=C2=A0any thing wrong with my setup? Please help
part of my virus xml=C2=A0 =C2=A0 <hostdev mode=3D'subsystem' type=3D'pci' =
managed=3D'yes'>=C2=A0 =C2=A0 =C2=A0 <driver name=3D'vfio'/>=C2=A0 =C2=A0 =
=C2=A0 <source>=C2=A0 =C2=A0 =C2=A0 =C2=A0 <address domain=3D'0x0000' bus=
=3D'0x09' slot=3D'0x10' function=3D'0x0'/>=C2=A0 =C2=A0 =C2=A0 </source>=C2=
=A0 =C2=A0 =C2=A0 <alias name=3D'hostdev0'/>=C2=A0 =C2=A0 =C2=A0 <address t=
ype=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x04' function=3D'0x0'/>=
=C2=A0 =C2=A0 </hostdev>
=C2=A0 =C2=A0 <hostdev mode=3D'subsystem' type=3D'pci' managed=3D'yes'>=C2=
=A0 =C2=A0 =C2=A0 <driver name=3D'vfio'/>=C2=A0 =C2=A0 =C2=A0 <source>=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 <address domain=3D'0x0000' bus=3D'0x09' slot=3D'0x=
10' function=3D'0x1'/>=C2=A0 =C2=A0 =C2=A0 </source>=C2=A0 =C2=A0 =C2=A0 <a=
lias name=3D'hostdev1'/>=C2=A0 =C2=A0 =C2=A0 <address type=3D'pci' domain=
=3D'0x0000' bus=3D'0x00' slot=3D'0x05' function=3D'0x0'/>=C2=A0 =C2=A0 </ho=
stdev>