Questions on OFED in FreeBSD

[Somayajulu, David]

Hi Meny,
Does OFED in FreeBSD currently support NvMe over Fabrics ?
Thanks
David S.

-----Original Message-----
From: Meny Yossefi [mailto:menyy at mellanox.com] 
Sent: Tuesday, January 16, 2018 5:27 AM
To: Somayajulu, David <David.Somayajulu at cavium.com>; freebsd-net at FreeBSD.org
Subject: RE: Questions on OFED in FreeBSD

Hi David, 

I think there's a misunderstanding here. Let me try and clear it.

First OFED version introduced in FreeBSD9 was indeed ofed-1.5.3. 
Future updates were based on Linux kernel and not the OpenFabrics versioning system.

FreeBSD11 should currently have something similar to Linux v3.10 if I'm not mistaken.

Last big update in FreeBSD12 was based on Linux v4.9.
Hopefully we can MFC it completely to FreeBSD11-STABLE.


Last but not least -  Yes, HEAD supports RoCEv2.

Meny



Hi Meny,

Thanks a lot for the reply and the information.

I have couple of additional questions.
>  4.  Am I correct that the OFED version on FreeBSD 11 is 1.5.3 ?
>[MY] No. We did an upgrade in FreeBSD11 a while back. If I'm not mistaken, FreeBSD11's OFED is currently based on version 2.0+

As per https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdownloads.openfabrics.org%2FOFED%2F&data=02%7C01%7Cfreebsd-commits-tracker%40mellanox.com%7Ca9533172edf24431e8a308d55c3f128f%7Ca652971c7d2e4d9ba6a4d149256f461b%7C0%7C1%7C636516348321604768&sdata=it2anKZ%2FjPBnUJl%2FH3cfaN15h%2Fps12F4CR%2B3zETyNIE%3D&reserved=0  the version following OFED version 1.5.4 is 3.2. Just curious what 2.0+ version is ?

Am I correct that HEAD supports RoCE v2 ?

Thanks
David S. (davidcs at freebsd.org)

-----Original Message-----
From: Meny Yossefi [mailto:menyy at mellanox.com]
Sent: Sunday, January 14, 2018 2:11 AM
To: Somayajulu, David <David.Somayajulu at cavium.com>; freebsd-net at freebsd.org
Subject: RE: Questions on OFED in FreeBSD

Hi David,

Answers embedded below.

-Meny

-----Original Message-----
From: owner-freebsd-net at freebsd.org [mailto:owner-freebsd-net at freebsd.org] On Behalf Of Somayajulu, David
Sent: Tuesday, January 09, 2018 8:08 PM
To: freebsd-net at freebsd.org
Subject: Questions on OFED in FreeBSD

Hi,

  1.  Is RoCE v2 supported of FreeBSD 11 release or 11_stable ?
 [MY] Not currently, though we do have plans adding it in the near future
  2.  How does one figure out the OFED version in a FreeBSD kernel?
[MY] Unfortunately, OFED version is not maintained. Some files do state a version, but I wouldn't trust that too much
  3.  Since OFED on HEAD is synced to Linux 4.9 in kernel.org, I presume that it is OFED version 4.8. Am I correct ?
[MY] 4.9+
  4.  Am I correct that the OFED version on FreeBSD 11 is 1.5.3 ?
[MY] No. We did an upgrade in FreeBSD11 a while back. If I'm not mistaken, FreeBSD11's OFED is currently based on version 2.0+
  5.  Are there any plans to backport OFED from HEAD to Stable_11?
[MY] Yes.

Thanks
David S. (davidcs at freebsd.org)


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