From: David Miller <davem@davemloft.net>
To: jeffrey.t.kirsher@intel.com
Cc: netdev@vger.kernel.org, gospo@redhat.com, bphilips@novell.com,
bruce.w.allan@intel.com
Subject: Re: [net-2.6 PATCH 4/6] e1000e: 82579 unaccounted missed packets
Date: Wed, 22 Sep 2010 21:11:04 -0700 (PDT) [thread overview]
Message-ID: <20100922.211104.98876899.davem@davemloft.net> (raw)
In-Reply-To: <20100923031617.10976.68976.stgit@localhost.localdomain>
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Wed, 22 Sep 2010 20:16:18 -0700
> From: Bruce Allan <bruce.w.allan@intel.com>
>
> On 82579, there is a hardware bug that can cause received packets to not
> get transferred from the PHY to the MAC due to K1 (a power saving feature
> of the PHY-MAC interconnect similar to ASPM L1). Since the MAC controls
> the accounting of missed packets, these will go unnoticed. Workaround the
> issue by setting the K1 beacon duration according to the link speed.
>
> Signed-off-by: Bruce Allan <bruce.w.allan@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:[~2010-09-23 4:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-23 3:15 [net-2.6 PATCH 1/6] e1000e: 82577/8/9 issues with device in Sx Jeff Kirsher
2010-09-23 3:15 ` [net-2.6 PATCH 2/6] e1000e: 82579 SMBus address and LEDs incorrect after device reset Jeff Kirsher
2010-09-23 4:10 ` David Miller
2010-09-23 3:15 ` [net-2.6 PATCH 3/6] e1000e: 82566DC fails to get link Jeff Kirsher
2010-09-23 4:10 ` David Miller
2010-09-23 3:16 ` [net-2.6 PATCH 4/6] e1000e: 82579 unaccounted missed packets Jeff Kirsher
2010-09-23 4:11 ` David Miller [this message]
2010-09-23 3:16 ` [net-2.6 PATCH 5/6] e1000e: 82579 jumbo frame workaround causing CRC errors Jeff Kirsher
2010-09-23 4:11 ` David Miller
2010-09-23 3:17 ` [net-2.6 PATCH 6/6] e1000e: 82579 do not gate auto config of PHY by hardware during nominal use Jeff Kirsher
2010-09-23 4:11 ` David Miller
2010-09-23 4:10 ` [net-2.6 PATCH 1/6] e1000e: 82577/8/9 issues with device in Sx David Miller
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