[dpdk-dev] [PATCH v2 1/2] doc: add bifurcated driver guide on ixgbe nic

[Wu, Jingjing]

Hi, Thomas

> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Thursday, June 23, 2016 8:59 PM
> To: Wu, Jingjing <jingjing.wu at intel.com>
> Cc: dev at dpdk.org; Mcnamara, John <john.mcnamara at intel.com>; Liu, Yong
> <yong.liu at intel.com>; Zhang, Helin <helin.zhang at intel.com>
> Subject: Re: [dpdk-dev] [PATCH v2 1/2] doc: add bifurcated driver guide on ixgbe nic
> 
> Hi,
> 
> Thank you for providing more doc.
> I am just not convinced it is the right place
> and it must be discussed.
> Some questions below to help deciding where it must be.
> 
> 2016-06-23 11:02, Jingjing Wu:
> > Bifurcated driver is a mechanism which depends the advanced
> > Ethernet device to split traffic between queues. It provides
> > the capability to let the kernel driver and DPDK driver co-exist
> > and take their advantage.
> 
> The name "bifurcated driver" was used for a real driver proposal
> in Linux. I don't think it applies here.
> 
> > It is achieved by using SRIOV and NIC's advanced filtering. This
> > patch describes it and adds the user guide on ixgbe NICs.
> 
> It is not a DPDK feature, just a use case.
> What do we learn about DPDK?

Yes, it is an feature in Linux driver. And the typical use case how DPDK co-work with Linux networking.
I think it will be a good reference. When I preparde this patch, I'm also doubt where to put, and the behavior
may be NIC specific, so I added it here.

Any other suggestion?

Thanks
Jingjing