From: David Miller <davem@davemloft.net>
To: jeffrey.t.kirsher@intel.com
Cc: netdev@vger.kernel.org, gospo@redhat.com, bphilips@novell.com,
stable@kernel.org, gregory.v.rose@intel.com
Subject: Re: [net-next-2.6 PATCH 2/5] igb: Use only a single Tx queue in SR-IOV mode
Date: Thu, 01 Jul 2010 22:50:03 -0700 (PDT) [thread overview]
Message-ID: <20100701.225003.139551397.davem@davemloft.net> (raw)
In-Reply-To: <20100701233814.16171.78454.stgit@localhost.localdomain>
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Thu, 01 Jul 2010 16:38:16 -0700
> From: Greg Rose <gregory.v.rose@intel.com>
>
> The 82576 expects the second rx queue in any pool to receive L2 switch
> loop back packets sent from the second tx queue in another pool. The
> 82576 VF driver does not enable the second rx queue so if the PF driver
> sends packets destined to a VF from its second tx queue then the VF
> driver will never see them. In SR-IOV mode limit the number of tx queues
> used by the PF driver to one. This patch fixes a bug reported in which
> the PF cannot communciate with the VF and should be considered for 2.6.34
> stable.
>
> CC: stable@kernel.org
> Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Applied.
next prev parent reply other threads:[~2010-07-02 5:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-01 23:37 [net-next-2.6 PATCH 1/5] igb: fix PHY config access on 82580 Jeff Kirsher
2010-07-01 23:38 ` [net-next-2.6 PATCH 2/5] igb: Use only a single Tx queue in SR-IOV mode Jeff Kirsher
2010-07-02 5:50 ` David Miller [this message]
2010-07-01 23:38 ` [net-next-2.6 PATCH 3/5] igb: Fix Tx hangs seen when loading igb with max_vfs > 7 Jeff Kirsher
2010-07-02 5:50 ` David Miller
2010-07-01 23:39 ` [net-next-2.6 PATCH 4/5] igb: correct link test not being run when link is down Jeff Kirsher
2010-07-02 5:50 ` David Miller
2010-07-01 23:39 ` [net-next-2.6 PATCH 5/5] igb: Add comment Jeff Kirsher
2010-07-02 5:50 ` David Miller
2010-07-02 5:49 ` [net-next-2.6 PATCH 1/5] igb: fix PHY config access on 82580 David Miller
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