SVNews r324472

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2017-10-10 05:25:46 - r324472 by sephe (Sepherosa Ziehau)

Complete list of files affected by revision r324472:

(Note: At the moment, these links point to ViewVC on svn.freebsd.org. They are probably slow. Do not overuse.)

   Contents     MODIFY   /stable/11  
  History   Contents   Diff   MODIFY   /stable/11/sys/net/if.c  
  History   Contents   Diff   MODIFY   /stable/11/sys/net/if.h  
  History   Contents   Diff   MODIFY   /stable/11/sys/sys/sockio.h  

Commit message:

MFC 323170

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

  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:
  https://svnweb.freebsd.org/base?view=revision&revision=322299
  https://svnweb.freebsd.org/base?view=revision&revision=322485

  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.

  Comment about UDP_{IPV4,IPV6,IPV6_EX} were only in the patch
  in the review request; these hash types are standardized now.

  Reviewed by: gallatin
  Sponsored by: Microsoft
  Differential Revision: https://reviews.freebsd.org/D12174

 


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