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authorBruce Allan <bruce.w.allan@intel.com>2010-01-07 19:31:16 +0300
committerDavid S. Miller <davem@davemloft.net>2010-01-08 11:35:30 +0300
commit29477e249f5a28444c556bbb816f3af2b6f84412 (patch)
tree3da39b180e35158166636fca66e6585a85ecb0f9 /drivers/net
parent28b8f04a5256ca5ec0781b06ee9353c37c650980 (diff)
downloadlinux-29477e249f5a28444c556bbb816f3af2b6f84412.tar.xz
e1000e: don't accumulate PHY statistics on PHY read failure
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/e1000e/netdev.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 10aa0ec719df..c45965a256b6 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))