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From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, gospo@redhat.com,
	Bruce Allan <bruce.w.allan@intel.com>,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Subject: [net-2.6 PATCH 2/5] e1000e: don't accumulate PHY statistics on PHY read failure
Date: Thu, 07 Jan 2010 18:31:16 -0800	[thread overview]
Message-ID: <20100108023115.31476.56779.stgit@localhost.localdomain> (raw)
In-Reply-To: <20100108023033.31476.4034.stgit@localhost.localdomain>

From: Bruce Allan <bruce.w.allan@intel.com>

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

 drivers/net/e1000e/netdev.c |   28 ++++++++++++++--------------
 1 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 10aa0ec..c45965a 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -3315,24 +3315,24 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 	if ((hw->phy.type == e1000_phy_82578) ||
 	    (hw->phy.type == e1000_phy_82577)) {
 		e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
-		e1e_rphy(hw, HV_SCC_LOWER, &phy_data);
-		adapter->stats.scc += phy_data;
+		if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data))
+			adapter->stats.scc += phy_data;
 
 		e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
-		e1e_rphy(hw, HV_ECOL_LOWER, &phy_data);
-		adapter->stats.ecol += phy_data;
+		if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data))
+			adapter->stats.ecol += phy_data;
 
 		e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
-		e1e_rphy(hw, HV_MCC_LOWER, &phy_data);
-		adapter->stats.mcc += phy_data;
+		if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data))
+			adapter->stats.mcc += phy_data;
 
 		e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
-		e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data);
-		adapter->stats.latecol += phy_data;
+		if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data))
+			adapter->stats.latecol += phy_data;
 
 		e1e_rphy(hw, HV_DC_UPPER, &phy_data);
-		e1e_rphy(hw, HV_DC_LOWER, &phy_data);
-		adapter->stats.dc += phy_data;
+		if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data))
+			adapter->stats.dc += phy_data;
 	} else {
 		adapter->stats.scc += er32(SCC);
 		adapter->stats.ecol += er32(ECOL);
@@ -3360,8 +3360,8 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 	if ((hw->phy.type == e1000_phy_82578) ||
 	    (hw->phy.type == e1000_phy_82577)) {
 		e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
-		e1e_rphy(hw, HV_COLC_LOWER, &phy_data);
-		hw->mac.collision_delta = phy_data;
+		if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data))
+			hw->mac.collision_delta = phy_data;
 	} else {
 		hw->mac.collision_delta = er32(COLC);
 	}
@@ -3372,8 +3372,8 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 	if ((hw->phy.type == e1000_phy_82578) ||
 	    (hw->phy.type == e1000_phy_82577)) {
 		e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
-		e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data);
-		adapter->stats.tncrs += phy_data;
+		if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data))
+			adapter->stats.tncrs += phy_data;
 	} else {
 		if ((hw->mac.type != e1000_82574) &&
 		    (hw->mac.type != e1000_82583))


  reply	other threads:[~2010-01-08  2:31 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-08  2:30 [net-2.6 PATCH 1/5] e1000e: call pci_save_state() after pci_restore_state() Jeff Kirsher
2010-01-08  2:31 ` Jeff Kirsher [this message]
2010-01-08  8:39   ` [net-2.6 PATCH 2/5] e1000e: don't accumulate PHY statistics on PHY read failure David Miller
2010-01-08  2:31 ` [net-2.6 PATCH 3/5] e1000e: perform 10/100 adaptive IFS only on parts that support it Jeff Kirsher
2010-01-08  8:39   ` David Miller
2010-01-08  2:31 ` [net-2.6 PATCH 4/5] e1000e: e1000e_enable_tx_pkt_filtering() returns wrong value Jeff Kirsher
2010-01-08  8:39   ` David Miller
2010-01-08  2:32 ` [net-2.6 PATCH 5/5] e1000e: fix and commonize code for setting the receive address registers Jeff Kirsher
2010-01-08  8:39   ` David Miller
2010-01-08  7:52 ` [net-2.6 PATCH 1/5] e1000e: call pci_save_state() after pci_restore_state() David Miller
2010-01-08  7:59   ` Jeff Kirsher
2010-01-08  8:39 ` David Miller

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