DPDK's igb_uio driver does not generate 'netdev' interfaces, so you cannot see any interface via ifconfig. (However, they are registered as 'rte_eth_dev' in your DPDK application.)
You'd better to use KNI drivers to have 'netdev' intefaces. Keunhong. 2015-06-29 8:51 GMT+09:00 Abhishek Verma <abhishekv.verma at gmail.com>: > Hi, > > I have three ethernet interfaces in my VirtualBox as shown below: > > root at 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 at 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 at manav-VirtualBox:/home/globus/dpdk/dpdk-2.0.0/tools# sudo ifconfig > eth2 down > > root at 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 at 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 at 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 >
