> On 28 Mar 2019, at 19:00, Stephen Hemminger <step...@networkplumber.org> 
> wrote:
> 
> On Wed, 27 Mar 2019 12:06:22 -0400
> "Thomas F Herbert" <therb...@redhat.com> wrote:
> 
>> +Artem
>> 
>> +vpp-dev
>> 
>> 
>> On 03/27/2019 11:22 AM, Sirshak Das wrote:
>>> 
>>> Hi Thomas
>>> 
>>> Is this the patch under consideration ?
>>> 
>>> https://gerrit.fd.io/r/#/c/18521/
>>> 
>>> So will this make mlx4/5 dpdk compilation default ?
>>> 
>>> What about MOFED dependencies (Kernel Modules and all userspace verb 
>>> libraries) ?
>>> 
>> With regard to CentOS, necessary kmods are loaded when rdma-core rpm is 
>> loaded,
>>> 
>>> I heard its all now Upstreamed in Kernel but that’s post 4.20, so how 
>>> would that work for distros with kernel version lower and MOFED 
>>> uninstalled (ubuntu 18.04).
>>> 
>> I don't know the solution for Ubuntu 1604.  There is no OFED required 
>> for CentOS7.6.
>> 
>> CentOS7.6:
>> 
>> This is the good news  resolved for CentOS 7.6 and I have verified for 
>> 19.01 with patch above  on CNCF packet.net infrastructure.
>> 
>> Ubuntu1604:
>> 
>> For Ubuntu, 1604 there is still have a problem:
>> 
>> https://jenkins.fd.io/job/vpp-verify-master-ubuntu1604/18353/console
>> ...
>> 
>> *21:27:39* 
>> /w/workspace/vpp-verify-master-ubuntu1604/build/external/deb/_build/dpdk-19.02/drivers/net/mlx5/mlx5_mr.h:19:31:
>>  fatal error: infiniband/mlx5dv.h: No such file or directory
>> *21:27:39* compilation terminated.
>> 
>> Artem's patch, https://gerrit.fd.io/r/#/c/18199/
>> Also fails for Ubuntu1604
>> 
>> Ubuntu1804:
>> 
>> Seems to be buiding:
>> https://jenkins.fd.io/job/vpp-beta-verify-master-ubuntu1804/6150/
> 
> 
> In DPDK 18.05 or later, the Mellanox code changed from requiring out of tree
> OFED drivers;  to using upstream kernel drivers. Since VPP use 18.11
> or 19.02 there is no need for OFED.  Distributions have their own timeline.

BTW we are in process of crafting native rdma-core driver to avoid use of
DPDK as additional unnecesary layer.



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