OFED v3.2 update

[Chris Reeves]

Thank you Hans,

Using these patches, I was able to get my IPOIB performance up to 25 Gb/s (vs 10 Gb/s on 11-current  without the patches).

Out of curiosity, do you have any plans to MFC these to stable-10?

Thanks,
Chris
________________________________________
From: owner-freebsd-infiniband at freebsd.org <owner-freebsd-infiniband at freebsd.org> on behalf of Hans Petter Selasky <hps at selasky.org>
Sent: Thursday, March 31, 2016 3:51 AM
To: freebsd-infiniband at freebsd.org
Subject: OFED v3.2 update

Dear users of infiniband in FreeBSD:


Mellanox is working on a big infiniband update towards mellanox OFED
v3.2 of the infiniband stack (ibcore), drivers (mlx4/mlx5) and libraries
(librdma, libibverbs ...). Currently there are 10-patches in different
areas of the FreeBSD kernel and userspace which you need to apply to
11-current as of today to get a working GENERIC kernel.

Compile world and kernel like this after applying the patches below:

make buildkernel WITH_OFED=YES
make buildworld WITH_OFED=YES


https://reviews.freebsd.org/D5790
https://reviews.freebsd.org/D5791
https://reviews.freebsd.org/D5792
https://reviews.freebsd.org/D5793
https://reviews.freebsd.org/D5794
https://reviews.freebsd.org/D5795
https://reviews.freebsd.org/D5796
https://reviews.freebsd.org/D5797
https://reviews.freebsd.org/D5798
https://reviews.freebsd.org/D5799


The patches are work in progress, though at a level where basic
infiniband is working with MLX5.


Known issues:
- LINT build is broken (Will be fixed before committing. Waiting for
solution from Navdeep)
- Need to unload ipoib before mlx5ib.

--HPS
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