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Message-ID: <1331587327-26279-2-git-send-email-yuvalmin@broadcom.com>
Date:	Mon, 12 Mar 2012 17:22:04 -0400
From:	"Yuval Mintz" <yuvalmin@...adcom.com>
To:	davem@...emloft.net, netdev@...r.kernel.org
cc:	eilong@...adcom.com, "Yuval Mintz" <yuvalmin@...adcom.com>
Subject: [net 1/4] bnx2x: pfc statistics counts pfc events twice

When pfc statistics were counted, the delta change from last count
was summed twice. This fixes the issue.

Signed-off-by: Yuval Mintz <yuvalmin@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c |   12 ------------
 1 files changed, 0 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
index 1adef26..a766b25 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
@@ -554,23 +554,11 @@ static void bnx2x_bmac_stats_update(struct bnx2x *bp)
 		UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
 
 		/* collect PFC stats */
-		DIFF_64(diff.hi, new->tx_stat_gtpp_hi,
-			pstats->pfc_frames_tx_hi,
-			diff.lo, new->tx_stat_gtpp_lo,
-			pstats->pfc_frames_tx_lo);
 		pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
 		pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
-		ADD_64(pstats->pfc_frames_tx_hi, diff.hi,
-			pstats->pfc_frames_tx_lo, diff.lo);
 
-		DIFF_64(diff.hi, new->rx_stat_grpp_hi,
-			pstats->pfc_frames_rx_hi,
-			diff.lo, new->rx_stat_grpp_lo,
-			pstats->pfc_frames_rx_lo);
 		pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
 		pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
-		ADD_64(pstats->pfc_frames_rx_hi, diff.hi,
-			pstats->pfc_frames_rx_lo, diff.lo);
 	}
 
 	estats->pause_frames_received_hi =
-- 
1.7.9.rc2


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