[dpdk-dev] l2fwd not working on PF while working on VF

[Richardson, Bruce]

> -----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.