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if: Add ioctls to get RSS key and hash type/function.

Authored by on Aug 31 2017, 5:26 AM.



It will be needed by hn(4) to configure its RSS key and hash type/function in the transparent VF mode in order to match VF's RSS settings. The description of the transparent VF mode and the RSS hash value issue are here:

These are generic enough to promise two independent IOCs instead of abusing SIOCGDRVSPEC.

Setting RSS key and hash type/function is a different story, which probably requires more discussion.

Two drivers are modified to support these two IOCs:

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Event Timeline edited the summary of this revision. (Show Details)Aug 31 2017, 5:33 AM
gallatin accepted this revision.Aug 31 2017, 1:07 PM
This revision is now accepted and ready to land.Aug 31 2017, 1:07 PM
This revision was automatically updated to reflect the committed changes.