From: David Miller <davem@davemloft.net>
To: jeffrey.t.kirsher@intel.com
Cc: alexander.h.duyck@intel.com, netdev@vger.kernel.org,
gospo@redhat.com, sassmann@redhat.com
Subject: Re: [net] ixgbe: DCB and SR-IOV can not co-exist and will cause hangs
Date: Mon, 09 Jul 2012 00:10:24 -0700 (PDT) [thread overview]
Message-ID: <20120709.001024.128106494285303449.davem@davemloft.net> (raw)
In-Reply-To: <1341403225-1326-1-git-send-email-jeffrey.t.kirsher@intel.com>
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Wed, 4 Jul 2012 05:00:25 -0700
> From: Alexander Duyck <alexander.h.duyck@intel.com>
>
> DCB and SR-IOV cannot currently be enabled at the same time as the queueing
> schemes are incompatible. If they are both enabled it will result in Tx
> hangs since only the first Tx queue will be able to transmit any traffic.
>
> This simple fix for this is to block us from enabling TCs in ixgbe_setup_tc
> if SR-IOV is enabled. This change will be reverted once we can support
> SR-IOV and DCB coexistence.
>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Acked-by: John Fastabend <john.r.fastabend@intel.com>
> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
> Tested-by: Ross Brattain <ross.b.brattain@intel.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Applied, thanks.
prev parent reply other threads:[~2012-07-09 7:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 12:00 [net] ixgbe: DCB and SR-IOV can not co-exist and will cause hangs Jeff Kirsher
2012-07-09 7:10 ` David Miller [this message]
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