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[Bug 1690174] Re: [Hyper-V] hv_netvsc: Exclude non-TCP port numbers from vRSS hashing

 

** No longer affects: linux-azure (Ubuntu Artful)

** Changed in: linux (Ubuntu Artful)
       Status: Triaged => In Progress

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https://bugs.launchpad.net/bugs/1690174

Title:
  [Hyper-V] hv_netvsc: Exclude non-TCP port numbers from vRSS hashing

Status in linux package in Ubuntu:
  In Progress
Status in linux-azure package in Ubuntu:
  In Progress
Status in linux source package in Xenial:
  In Progress
Status in linux-azure source package in Xenial:
  In Progress
Status in linux source package in Yakkety:
  Won't Fix
Status in linux source package in Zesty:
  In Progress
Status in linux source package in Artful:
  In Progress

Bug description:
  Azure hosts are not supporting non-TCP port numbers in vRSS hashing for
  now. For example, UDP packet loss rate will be high if port numbers are
  also included in vRSS hash.

  So, we created this patch to use only IP numbers for hashing in non-TCP
  traffic.

  https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-
  next.git/commit/?id=f72860afa2e32cdc674cbdd7f354f8fb62e908a6

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