[dpdk-users] DPDK Problem Binding to Network Port

[Thomas Lazor]

Hi,

I am running into a problem when I bind the igb_uio driver to the network
card. I am using dpdk 16.04 and my kernel version is 3.2.14.

Using the setup script, I compiled the target library, inserted the igb_uio
module, set up hugepages, and bound the igb_uio driver.

$ ./tools/dpdk_nic_bind.py --status

Network devices using DPDK-compatible driver
============================================
0000:01:00.0 '82599ES 10-Gigabit SFI/SFP+ Network Connection' drv=igb_uio
unused=uio_pci_generic

Network devices using kernel driver
===================================
0000:01:00.1 '82599ES 10-Gigabit SFI/SFP+ Network Connection' if=eth4
drv=ixgbe unused=igb_uio,uio_pci_generic
0000:06:00.0 'I350 Gigabit Network Connection' if=eth0 drv=igb
unused=igb_uio,uio_pci_generic *Active*
0000:06:00.1 'I350 Gigabit Network Connection' if=eth1 drv=igb
unused=igb_uio,uio_pci_generic

Other network devices
=====================
<none>


However, when I run ifconfig -a, I can no longer see the network card:

$ ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:25:90:E1:83:24
          inet addr:10.1.1.42  Bcast:10.1.1.255  Mask:255.255.255.0
          inet6 addr: fe80::225:90ff:fee1:8324/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:7634 errors:0 dropped:72 overruns:0 frame:0
          TX packets:4978 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1051991 (1.0 MiB)  TX bytes:732247 (715.0 KiB)
          Memory:dfd20000-dfd40000

eth1      Link encap:Ethernet  HWaddr 00:25:90:E1:83:25
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
          Memory:dfd00000-dfd20000

eth4      Link encap:Ethernet  HWaddr 00:1B:21:A6:15:A1
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

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:16436  Metric:1
          RX packets:54 errors:0 dropped:0 overruns:0 frame:0
          TX packets:54 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:3552 (3.4 KiB)  TX bytes:3552 (3.4 KiB)

mic0      Link encap:Ethernet  HWaddr 4C:79:BA:30:01:59
          inet addr:172.31.1.254  Bcast:172.31.1.255  Mask:255.255.255.0
          inet6 addr: fe80::4e79:baff:fe30:159/64 Scope:Link
          UP BROADCAST RUNNING  MTU:64512  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

Why is this? I believe I should see a dpdk0 card when it is bound. When I
unbind the card, it does show up if I run ifconfig.

Many thanks,

Thomas