[dpdk-dev] Using multi-queue with RSS on X540 VF

[Ouyang, Changchun]

Hi  Anant,

> -----Original Message-----
> From: Anant Mudambi [mailto:amudambi at paloaltonetworks.com]
> Sent: Friday, December 19, 2014 6:39 AM
> To: Richardson, Bruce; Ouyang, Changchun
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] Using multi-queue with RSS on X540 VF
> 
> Thanks Bruce.
> Hi Changchun,
> I looked at your patch set and have some questions about it. I might be
> missing something basic.
> - How is the RTE_ETH_DEV_SRIOV(rte_eth_dev *).active set for VF ports (in
> guest using ixgbevf PMD)? The only place I saw this field being
>   set is in ixgbe_pf_host_init() but this is not called from
> eth_ixgbevf_dev_init(), only from eth_ixgbe_dev_init().

Yes, pf on host will do it.

> - Your patch includes some changes to ixgbe_dev_mq_rx_configure() to
> support VF RSS, but this function is not called from the ixgbevf PMD, only
> from ixgbe PMD?

Yes, again pf on host will do it.

> - Do you know if RSS on VF (using DPDK PMD) works with Linux ixgbe PF
> driver on host? What parameters does the PF driver need to be loaded with?
>
Not test on that case of dpdk vf with linux ixgbe pf yet, 
But it works on the case of dpdk vf with dpdk ixgbe pf on Niantic. 

Thanks
Changchun