Sorry Avi,

Let me clarify what I meant.

To the best of my knowledge, it is not supported with FD.io VPP + DPDK Plugin at this time. You can achieve something similar with FD.io VPP and AF_PACKET but it won't be fast.

As you point out, DPDK does support hotput, so it is not a DPDK constraint but I am not yet sure on the difficulty of implementing it.

Ray K

On 02/05/2018 08:30, Avi Cohen (A) wrote:
Ray
I know that with ovs-dpdk you can add/remove  a dpdk interface (physical or 
vhost-user) on runtime
Best Regards
Avi

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Ray Kinsella
Sent: Tuesday, 01 May, 2018 5:41 PM
To: Avi Cohen (A); [email protected]
Subject: Re: [vpp-dev] Dynamically attach to a PCI device

Hi Avi,

Good question - really depends on how you want to do it.

To my knowledge it is not supported with DPDK. You can achieve similar
functionality using af_packet - but clearly it won't be anything like as fast.

Ray K

On 01/05/2018 08:11, Avi Cohen (A) wrote:
With Ovs-Dpdk this is supported
If this is not supported in VPP I can implement it Avi
-----Original Message-----
From: Avi Cohen (A)
Sent: Monday, 23 April, 2018 9:44 AM
To: '[email protected]'
Subject: RE: Dynamically attach to a PCI device

I'll clarify my question
For a PCI device e.g. 0000:04:00:0  - is it possible to add this
device  to VPP on runtime with a specific cli command ?
Currently I  only can add these kind of devices  by specifying it in
the  while-list in startup.conf Best Regards Avi

-----Original Message-----
From: Avi Cohen (A)
Sent: Monday, 16 April, 2018 10:48 AM
To: [email protected]
Subject: Dynamically attach to a PCI device

Hello All

Currently I attach the physical NICs PCI devices by setting the
white list in the startup.conf How can I attach it dynamically in runtime ?

Best Regards
Avi












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