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From: Abhishek Verma <abhishekv.verma@gmail.com>
To: dev@dpdk.org
Subject: [dpdk-dev] Interface once added to DPDK goes missing from ifconfig
Date: Mon, 29 Jun 2015 05:21:49 +0530	[thread overview]
Message-ID: <CADDmorT0bNqzv8V0_Ao+TS7rP-r3=8T3DAPQ+e8ybjW8OQc+Xg@mail.gmail.com> (raw)

Hi,

I have three ethernet interfaces in my VirtualBox as shown below:

root@VirtualBox:/home/akabra/dpdk/dpdk-2.0.0/tools# ifconfig
eth1      Link encap:Ethernet  HWaddr 08:00:27:3f:34:56
      inet addr:192.168.0.123  Bcast:192.168.0.255  Mask:255.255.255.0
      inet6 addr: fe80::a00:27ff:fe3f:3456/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:132 errors:0 dropped:0 overruns:0 frame:0
      TX packets:26 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:20982 (20.9 KB)  TX bytes:3724 (3.7 KB)

eth2      Link encap:Ethernet  HWaddr 08:00:27:f7:13:f5
      inet addr:1.1.1.1  Bcast:1.1.1.255  Mask:255.255.255.0
      inet6 addr: fe80::a00:27ff:fef7:13f5/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:51932 errors:0 dropped:0 overruns:0 frame:0
      TX packets:660805 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:32407739 (32.4 MB)  TX bytes:1647410289 (1.6 GB)

lo        Link encap:Local Loopback
      inet addr:127.0.0.1  Mask:255.0.0.0
      inet6 addr: ::1/128 Scope:Host
      UP LOOPBACK RUNNING  MTU:65536  Metric:1
      RX packets:1681 errors:0 dropped:0 overruns:0 frame:0
      TX packets:1681 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0
      RX bytes:358901 (358.9 KB)  TX bytes:358901 (358.9 KB)

root@manav-VirtualBox:/home/globus/dpdk/dpdk-2.0.0/tools#
./dpdk_nic_bind.py --status



Network devices using DPDK-compatible driver

============================================

<none>

Network devices using kernel driver

===================================

0000:00:03.0 '82540EM Gigabit Ethernet Controller' if=eth1 drv=e1000
unused=igb_uio,vfio-pci *Active*

0000:00:08.0 '82540EM Gigabit Ethernet Controller' if=eth2 drv=e1000
unused=igb_uio,vfio-pci *Active*


I will now add eth2 to DPDK

root@manav-VirtualBox:/home/globus/dpdk/dpdk-2.0.0/tools# sudo ifconfig
eth2 down

root@manav-VirtualBox:/home/globus/dpdk/dpdk-2.0.0/tools#
./dpdk_nic_bind.py -b igb_uio 0000:00:08.0


I now see that eth2 has been removed from my ifconfig output. I cant seem
to understand why this has happened?


root@manav-VirtualBox:/home/globus/dpdk/dpdk-2.0.0/tools# ifconfig

eth1      Link encap:Ethernet  HWaddr 08:00:27:3f:34:56

          inet addr:192.168.0.123  Bcast:192.168.0.255  Mask:255.255.255.0

          inet6 addr: fe80::a00:27ff:fe3f:3456/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:182 errors:0 dropped:0 overruns:0 frame:0

          TX packets:86 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000

          RX bytes:27757 (27.7 KB)  TX bytes:12789 (12.7 KB)



lo        Link encap:Local Loopback

          inet addr:127.0.0.1  Mask:255.0.0.0

          inet6 addr: ::1/128 Scope:Host

          UP LOOPBACK RUNNING  MTU:65536  Metric:1

          RX packets:1705 errors:0 dropped:0 overruns:0 frame:0

          TX packets:1705 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0

          RX bytes:360948 (360.9 KB)  TX bytes:360948 (360.9 KB)


I see that it has been successfully recognized as an interface using DPDK
driver, but why dont i see it in my ifconfig. Any ideas here?


root@manav-VirtualBox:/home/globus/dpdk/dpdk-2.0.0/tools#
./dpdk_nic_bind.py --status



Network devices using DPDK-compatible driver

============================================

0000:00:08.0 '82540EM Gigabit Ethernet Controller' drv=igb_uio
unused=vfio-pci



Network devices using kernel driver

===================================

0000:00:03.0 '82540EM Gigabit Ethernet Controller' if=eth1 drv=e1000
unused=igb_uio,vfio-pci *Active*



Other network devices


Would appreciate some help here.


Thanks, Abhishek

             reply	other threads:[~2015-06-28 23:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-28 23:51 Abhishek Verma [this message]
2015-06-29  0:16 ` Keunhong Lee
2015-06-29  0:55   ` Abhishek Verma
2015-06-29  1:30     ` Keunhong Lee

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