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Date: Sat, 07 Feb 2009 01:22:32 -0800 From: Jeff Kirsher <jeffrey.t.kirsher@...el.com> To: davem@...emloft.net Cc: netdev@...r.kernel.org, jeff@...zik.org, gospo@...hat.com, Alexander Duyck <alexander.h.duyck@...el.com>, Jeff Kirsher <jeffrey.t.kirsher@...el.com> Subject: [net-next PATCH 23/26] igb: update stats before doing reset in igb_down From: Alexander Duyck <alexander.h.duyck@...el.com> It was seen with repeated interface up/down testing that there was a large stray between the stats reported by the queues and the stats reported by the HW. It was found to be an issue in that hw stats were being reset without first being recorded. This change records the stats before wiping them from the system via the reset. Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> --- drivers/net/igb/igb_main.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 3b79ad8..88f135f 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -858,6 +858,10 @@ void igb_down(struct igb_adapter *adapter) netdev->tx_queue_len = adapter->tx_queue_len; netif_carrier_off(netdev); + + /* record the stats before reset*/ + igb_update_stats(adapter); + adapter->link_speed = 0; adapter->link_duplex = 0; -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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