Thanks Helin, have been trying this for some time, Is there any other way I can pass IOCTLs to IGB-UIO interfaces. Can I use /dev/uio0 and /dev/uio1 ? Can I use IOCTLS on these references in Kernel to gather interface statistics, set MTU or bring up/down UIO interfaces.
/Desh On 10/13/14 12:34 AM, "Zhang, Helin" <helin.zhang at intel.com> wrote: >Hi Desh > >You tried to use ethtool for KNI interfaces in VM, right? I don't think >it is supported in VM. >Currently it just supports ethtool for KNI interfaces in host for some >igb and ixgbe NICs. > >Regards, >Helin > >> -----Original Message----- >> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Deshvanth Mirle >> Jayaprakash (dmirleja) >> Sent: Monday, October 13, 2014 3:21 PM >> To: dev at dpdk.org >> Subject: [dpdk-dev] Issues running Ethtool on KNI interfaces >> >> Hi, >> >> Hypervisor: KVM >> >> VM: Linux OS with 2.6.32 Kernel >> >> VM Settings: >> >> 8 vCPUs, 8192 MB of memory, CPU Configuration: Copy Host CPU Config >> (SandyBridge), Manually set CPU topology: Sockets=2, Cores=4, Threads=1 >> >> 10Gigi Passthrough Interfaces attached to VM: Intel X520 >> >> >> DPDK settings: >> >> >> DPDK Version: 1.6R2 >> >> >> echo 512 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages >> >> rmmod ixgbe >> >> insmod igb_uio.ko >> >> mkdir /mnt/hugepages >> >> mount -t hugetlbfs nodev /mnt/hugepages >> >> #./igb_uio_bind.py --status >> >> #./igb_uio_bind.py --bind=igb_uio 03:01.0 >> >> #./igb_uio_bind.py --bind=igb_uio 03:02.0 >> >> #./igb_uio_bind.py --status >> >> modprobe hwmon >> >> insmod rte_kni.ko >> >> ./kni -c 0x1E -n 2 --socket-mem 512 -- -p 0x3 >>--config="(0,1,3),(1,2,4)" & >> >> >> Having KNI process running in the background, creates two KNI interfaces >> called vEth0 and vEth1 which corresponds to IGB-UIO interfaces attached >>to >> the Userspace. The issue is that the Ethtool doesn't work with KNI >>interfaces. >> Is there anything that I am missing, How can I get Ethtool to work with >>KNI >> interfaces? Also, If I do not use --socket-mem OR -m EAL option, KNI >>application >> consumes all the huge pages(It doesn't mater 512/4096) assigned in the >>very >> first step.Is that expected behavior? Can I get KNI to work without >>assigning >> any Hugepages? >> >> >> >> Also, I have attached screen shots of KNI log file. Please take a look. >> >> >> Thanks, >> >> Desh
