1 files changed, 27 insertions, 2 deletions

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index ec8cf3f51423..c4ca1629f532 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4098,6 +4098,25 @@ static void e1000e_enable_receives(struct e1000_adapter *adapter)
         }
 }
 
+static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
+{
+        struct e1000_hw *hw = &adapter->hw;
+
+        /*
+         * With 82574 controllers, PHY needs to be checked periodically
+         * for hung state and reset, if two calls return true
+         */
+        if (e1000_check_phy_82574(hw))
+                adapter->phy_hang_count++;
+        else
+                adapter->phy_hang_count = 0;
+
+        if (adapter->phy_hang_count > 1) {
+                adapter->phy_hang_count = 0;
+                schedule_work(&adapter->reset_task);
+        }
+}
+
 /**
  * e1000_watchdog - Timer Call-back
  * @data: pointer to adapter cast into an unsigned long
@@ -4333,6 +4352,9 @@ link_up:
         if (e1000e_get_laa_state_82571(hw))
                 e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
 
+        if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
+                e1000e_check_82574_phy_workaround(adapter);
+
         /* Reset the timer */
         if (!test_bit(__E1000_DOWN, &adapter->state))
                 mod_timer(&adapter->watchdog_timer,
@@ -4860,8 +4882,11 @@ static void e1000_reset_task(struct work_struct *work)
         struct e1000_adapter *adapter;
         adapter = container_of(work, struct e1000_adapter, reset_task);
 
-        e1000e_dump(adapter);
-        e_err("Reset adapter\n");
+        if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
+              (adapter->flags & FLAG_RX_RESTART_NOW))) {
+                e1000e_dump(adapter);
+                e_err("Reset adapter\n");
+        }
         e1000e_reinit_locked(adapter);
 }