mlx5-updates-2017-01-31

This series includes some updates to mlx5 core and ethernet driver.

We got one patch from Or to fix some static checker warnings.

2nd patche from Dan came to add the support for 128B cache line
in the HCA, which will configures the hardware to use 128B alignment only
on systems with 128B cache lines, otherwise it will be kept as the current
default of 64B.

From me three patches to support no inline copy on TX on ConnectX-5 and
later HCAs.  Starting with two small infrastructure changes and
refactoring patches followed by two patches to add the actual support for
both xmit ndo and XDP xmit routines.
Last patch is a simple fix to return a mistakenly removed pointer from the
SQ structure, which was remove in previous submission of mlx5 4K UAR.

Saeed.
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