From: "Zhang, Helin" <helin.zhang@intel.com>
To: "Deshvanth Mirle Jayaprakash (dmirleja)" <dmirleja@cisco.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Issues running Ethtool on KNI interfaces
Date: Mon, 13 Oct 2014 07:34:52 +0000 [thread overview]
Message-ID: <F35DEAC7BCE34641BA9FAC6BCA4A12E70A79B8F1@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <D060CB6E.1189A%dmirleja@cisco.com>
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@dpdk.org] On Behalf Of Deshvanth Mirle
> Jayaprakash (dmirleja)
> Sent: Monday, October 13, 2014 3:21 PM
> To: dev@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
next prev parent reply other threads:[~2014-10-13 7:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-13 7:21 Deshvanth Mirle Jayaprakash (dmirleja)
2014-10-13 7:34 ` Zhang, Helin [this message]
2014-10-13 7:39 ` Deshvanth Mirle Jayaprakash (dmirleja)
2014-10-13 7:46 ` Zhang, Helin
2014-10-17 7:58 ` Deshvanth Mirle Jayaprakash (dmirleja)
2014-10-17 8:12 ` Zhang, Helin
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