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Date:      Wed, 3 Apr 2013 22:00:01 GMT
From:      dfilter@FreeBSD.ORG (dfilter service)
To:        freebsd-net@FreeBSD.org
Subject:   Re: kern/177384: commit references a PR
Message-ID:  <201304032200.r33M01EV068897@freefall.freebsd.org>

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The following reply was made to PR kern/177384; it has been noted by GNATS.

From: dfilter@FreeBSD.ORG (dfilter service)
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/177384: commit references a PR
Date: Wed,  3 Apr 2013 21:55:27 +0000 (UTC)

 Author: sbruno
 Date: Wed Apr  3 21:55:19 2013
 New Revision: 249070
 URL: http://svnweb.freebsd.org/changeset/base/249070
 
 Log:
   Update man page for igb(4) with a little bit of information about
   hw.igb.num_queues for those so inclined.
   
   PR:		kern/177384
   Submitted by:	hiren.panchasara@gmail.com
   Reviewed by:	sbruno@
   Approved by:	jfv@
   Obtained from:	Yahoo! Inc.
   MFC after:	2 weeks
 
 Modified:
   head/share/man/man4/igb.4
   head/sys/dev/e1000/if_igb.c
 
 Modified: head/share/man/man4/igb.4
 ==============================================================================
 --- head/share/man/man4/igb.4	Wed Apr  3 21:34:35 2013	(r249069)
 +++ head/share/man/man4/igb.4	Wed Apr  3 21:55:19 2013	(r249070)
 @@ -31,7 +31,7 @@
  .\"
  .\" $FreeBSD$
  .\"
 -.Dd May 12, 2012
 +.Dd March 25, 2013
  .Dt IGB 4
  .Os
  .Sh NAME
 @@ -160,6 +160,11 @@ The minimum is 80, and the maximum is 40
  .It Va hw.igb.enable_aim
  If set to 1, enable Adaptive Interrupt Moderation.
  The default is to enable Adaptive Interrupt Moderation.
 +.It Va hw.igb.num_queues
 +Numer of queues used for data transfer.
 +If set to 0, number of queues will be configured
 +automatically based on number of CPUs and max
 +supported MSI-X messages on the device.
  .It Va kern.ipc.nmbclusters
  The maximum number of mbuf clusters allowed.
  If the system has more than one igb card or jumbo frames are
 
 Modified: head/sys/dev/e1000/if_igb.c
 ==============================================================================
 --- head/sys/dev/e1000/if_igb.c	Wed Apr  3 21:34:35 2013	(r249069)
 +++ head/sys/dev/e1000/if_igb.c	Wed Apr  3 21:55:19 2013	(r249070)
 @@ -375,7 +375,8 @@ SYSCTL_INT(_hw_igb, OID_AUTO, header_spl
  
  /*
  ** This will autoconfigure based on
 -** the number of CPUs if left at 0.
 +** the number of CPUs and max supported MSI-X messages
 +** if left at 0.
  */
  static int igb_num_queues = 0;
  TUNABLE_INT("hw.igb.num_queues", &igb_num_queues);
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