Bug 990225

Summary:	[RHEV/RHEL] Integrate dynamic offloads into virtio-net device
Product:	Red Hat Enterprise Linux 6	Reporter:	Dmitry Fleytman <dfleytma>
Component:	qemu-kvm	Assignee:	Virtualization Maintenance <virt-maint>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	high	Docs Contact:
Priority:	high
Version:	6.5	CC:	acathrow, bcao, bsarathy, chayang, dfleytma, jherrman, juzhang, michen, mkenneth, mrezanin, qiguo, qzhang, rhod, virt-maint, yvugenfi
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	qemu-kvm-0.12.1.2-2.385.el6	Doc Type:	Enhancement
Doc Text:	This update introduces the receive segment coalescing (RSC) feature for the virtio-net driver. This allows the driver to report coalesced transmission control protocol (TCP) segments to the OS. Note that the support for RSC is included in virtio-net for Windows Server 2012 and later versions.	Story Points:	---
Clone Of:	950611
Clones:	1002816 (view as bug list)		Environment:
Last Closed:	2013-11-21 07:05:20 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	950611
Bug Blocks:	958737, 1002816

Description Dmitry Fleytman 2013-07-30 15:39:22 UTC

+++ This bug was initially created as a clone of Bug #950611 +++

Description of problem:
Adjustments in KVM and host networking needed to pass WHQL with RSC feature enabled.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
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3.
  
Actual results:


Expected results:


Additional info:

--- Additional comment from Yan Vugenfirer on 2013-05-06 04:48:05 EDT ---



--- Additional comment from Dmitry Fleytman on 2013-07-05 03:50:43 EDT ---

Dynamic guest offloads configuration commits:

http://git.engineering.redhat.com/?p=users/yvugenfi/internal-kvm-guest-drivers-windows/.git;a=commit;h=03dbd5515cc0585c1490d36277ef658cefdc3e54
http://git.engineering.redhat.com/?p=users/yvugenfi/internal-kvm-guest-drivers-windows/.git;a=commit;h=17c03988a3f994bd0bf888468bf0313ab393db42

Comment 13 Mike Cao 2013-09-03 06:00:07 UTC

Re-Test this issue on virtio-win-prewhql-67 

Actual Results:
RSC job is still failed 
Offload LSO job pass
Offload RSC job pass


Based on above ,this issue has been fixed from whql side

Comment 18 errata-xmlrpc 2013-11-21 07:05:20 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2013-1553.html