From: Mallikarjuna R Chilakala Date: Tue, 15 Dec 2009 11:56:59 +0000 (+0000) Subject: ixgbe: Fix tx_restart_queue/non_eop_desc statistics counters X-Git-Tag: v3.12-rc1~11349^2~211 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eb985f09b2a189bde80550e410ddfc28c4276c53;p=kernel%2Fkernel-generic.git ixgbe: Fix tx_restart_queue/non_eop_desc statistics counters Fix the restart_queue and non_eop_desc counters from being double-counted. They are cumulative in each ring, so we don't want to add them to the cumulative result in the adapter's master counter. Otherwise, the stats will be inaccurate Signed-off-by: Mallikarjuna R Chilakala Acked-by: Peter P Waskiewicz Jr Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 35ea8c9..5292748 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -4511,6 +4511,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter) struct ixgbe_hw *hw = &adapter->hw; u64 total_mpc = 0; u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot; + u64 non_eop_descs = 0, restart_queue = 0; if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { u64 rsc_count = 0; @@ -4528,10 +4529,12 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter) /* gather some stats to the adapter struct that are per queue */ for (i = 0; i < adapter->num_tx_queues; i++) - adapter->restart_queue += adapter->tx_ring[i].restart_queue; + restart_queue += adapter->tx_ring[i].restart_queue; + adapter->restart_queue = restart_queue; for (i = 0; i < adapter->num_rx_queues; i++) - adapter->non_eop_descs += adapter->tx_ring[i].non_eop_descs; + non_eop_descs += adapter->rx_ring[i].non_eop_descs; + adapter->non_eop_descs = non_eop_descs; adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS); for (i = 0; i < 8; i++) {