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

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Marcelo Cerri <1690174@xxxxxxxxxxxxxxxxxx>
Date: Tue, 16 May 2017 13:40:29 -0000
Reply-to: Bug 1690174 <1690174@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Also affects: linux-azure (Ubuntu)
   Importance: Undecided
       Status: New

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

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

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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:
  Triaged
Status in linux-azure package in Ubuntu:
  New
Status in linux source package in Xenial:
  Triaged
Status in linux-azure source package in Xenial:
  New
Status in linux source package in Yakkety:
  Triaged
Status in linux source package in Zesty:
  Triaged

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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