[Bug 216493] [Hyper-V] Mellanox ConnectX-3 VF driver can't work when FreeBSD runs on Hyper-V 2016

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216493

--- Comment #3 from Dexuan Cui <decui at microsoft.com> ---
(In reply to Dexuan Cui from comment #2)
Updates:
Issue 2:
        Linux has made a patch (not posted yet) and we'll need to port it:
        https://www.spinics.net/lists/netdev/msg421306.html

Issue 4:
        We may need to port more patches that were mentioned here:
        https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1650058/comments/7

"
Mellanox has told me that the following three commits are needed for SR-IOV in
Azure:
1.      d585df1c5ccf net/mlx4_core: Avoid command timeouts during VF driver
device shutdown
2.      7c3945bc2073 net/mlx4_core: Fix when to save some qp context flags for
dynamic VST to VGT transitions
3.      291c566a2891 net/mlx4_core: Fix racy CQ (Completion Queue) free
"

and the 4th patch:
commit 0cd9302734111abc0b5912b695336f2ee63cb22b
net/mlx4_core: Reset flow activation upon SRIOV fatal command cases

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