Bug 998397 – Implement Send Side Scaling RSS extension

Bug 998397 - Implement Send Side Scaling RSS extension

Summary:	Implement Send Side Scaling RSS extension

Status:	CLOSED DUPLICATE of bug 1096505

Aliases:	None

Product:	Red Hat Enterprise Linux 7
Classification:	Red Hat
Component:	virtio-win (Show other bugs)
Sub Component:
Version:	7.0
Hardware:	Unspecified Unspecified

Priority	unspecified Severity unspecified
Target Milestone:	rc
Target Release:	7.0
Assigned To:	Dmitry Fleytman
QA Contact:	Virtualization Bugs
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Reported:	2013-08-19 04:29 EDT by Dmitry Fleytman
Modified:	2014-06-22 05:09 EDT (History)
CC List:	8 users (show)

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Doc Type:	Bug Fix
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Last Closed:	2014-06-22 05:09:29 EDT
Type:	Bug
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Description Dmitry Fleytman 2013-08-19 04:29:23 EDT

There is an RSS extension called "Send Side Scaling":

From http://technet.microsoft.com/en-us/library/hh997036.aspx:
Send Side Scaling: The RSS hash value is passed by the TCP/IP protocol to the network interface card in each packet on the egress path thus allowing for the send completions to be indicated on the same CPU. This enables better scaling on the send side.

While it is not a mandatory feature it may have positive performance impact.
Needs to be investigated and (probably) implemented.

Comment 4 Yan Vugenfirer 2014-06-22 05:09:29 EDT

Will be implemented as part of the multi-queue support in Windows driver.

*** This bug has been marked as a duplicate of bug 1096505 ***

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