[dpdk-dev] mellanox connectx-2 support

[Vasiliy Tolstov]

вт, 22 мая 2018 г. в 0:17, Olga Shern <olgas at mellanox.com>:

> You can use rdma over Ethernet, AKA ROCE

As i need to use rdma to storage traffic i don't understand benefits of
using ethernet for dpdk and roce for ib over ethernet to storage....

> Mellanox PMDs  don't  need vfio
> I am not sure what you are trying to achieve, you want  to run DPDK on
Infiniband?

I have node that serve storage traffic via infiniband and wont to switch
from IPoIB to dpdk based setup but i don't want to drop infiniband from
storage traffic.


> -----Original Message-----
> From: Vasiliy Tolstov [mailto:v.tolstov at selfip.ru]
> Sent: Tuesday, May 22, 2018 12:10 AM
> To: Adrien Mazarguil <adrien.mazarguil at 6wind.com>
> Cc: Василий Толстов <v.tolstov at selfip.ru>; Olga Shern
> <olgas at mellanox.com>;
dev at dpdk.org
> Subject: Re: [dpdk-dev] mellanox connectx-2 support

> пн, 21 мая 2018 г. в 12:15, Adrien Mazarguil <adrien.mazarguil at 6wind.com>:

> > On Sun, May 20, 2018 at 10:25:01PM +0300, Vasiliy Tolstov wrote:
> > > чт, 17 мая 2018 г. в 9:02, Olga Shern <olgas at mellanox.com>:
> > >
> > > > Vasily,
> > > >
> > > > ConnectX-2 is very, very old card.
> > > > We don't support it.
> > > > You can run DPDK on ConnectX-3 Pro, ConnectX-4 /LX and ConnectX-5
> NICs.
> > > > The best performance and better feature set you will get with
> ConnectX-5
> > > >
> > > > Best Regards,
> > > >
> > >
> > > Thanks for info, web page says about connect-x3 (without pro) If i
> > > have
> > > Connect-X3 vpi does it works with intel dpdk mellanox driver?

> > Probably, provided both an up-to-date firmware version and that ports
> accept
> > Ethernet mode configuration [1].

> > [1]
> > https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdpdk
> > .org%2Fdoc%2Fguides%2Fnics%2Fmlx4.html%23quick-start-guide&data=02%7C0
> > 1%7Colgas%40mellanox.com%7C01c4e02666044c162d9a08d5bf5f4090%7Ca652971c
> > 7d2e4d9ba6a4d149256f461b%7C0%7C0%7C636625338186508009&sdata=doQaWNjEiS
> > RhR28TmbS8iGB22oGfnl%2BDVm78fw%2FJTMQ%3D&reserved=0

> =( Bad news, i need to use rdma to transfer storage traffic and not want
to change ports to ethernet.
> Does dpdk can work with vfio ?

> --
> Vasiliy Tolstov,
> e-mail: v.tolstov at selfip.ru



-- 
Vasiliy Tolstov,
e-mail: v.tolstov at selfip.ru