Hi Bruce Thanks for the tip. I changed VFs to 6 and now everything works ok on PF.
Thank You very much Tomasz Kasowicz 2014-04-09 17:10 GMT+02:00 Richardson, Bruce <bruce.richardson at intel.com>: > > -----Original Message----- > > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Tomasz K > > Sent: Wednesday, April 09, 2014 3:04 PM > > To: dev > > Subject: [dpdk-dev] l2fwd not working on PF while working on VF > > > > Dear All > > > > I have a setup with Intel 82576 DPDK NIC. > > For one of the available DPDK ports i have created 8 VFs using igb_uio > based on > > steps presented in programmers guide. Some of them are attached to VM, > some > > maybe used on host > > > > After some tests with l2fwd application i found out that it is not > working for PF, > > but works perfectly for any VF (both on host and in VM). > > > How many queues are being allocated to each VF? According to the > datasheet, the 82576 NIC has only got 16 RX and TX queues, so if you have 8 > VF's with 2 RX and TX queues allocated to each, you may have no remaining > queues left for the PF to use on the host. >

