e1000 2/10:

* Changed flow control defaults to minimize packet drops 

drivers/net/e1000/e1000.h

@@ -95,6 +95,15 @@ struct e1000_adapter;
 #define E1000_RXBUFFER_8192  8192
 #define E1000_RXBUFFER_16384 16384
 
+/* Flow Control High-Watermark: 43464 bytes */
+#define E1000_FC_HIGH_THRESH 0xA9C8
+
+/* Flow Control Low-Watermark: 43456 bytes */
+#define E1000_FC_LOW_THRESH 0xA9C0
+
+/* Flow Control Pause Time: 858 usec */
+#define E1000_FC_PAUSE_TIME 0x0680
+
 /* How many Tx Descriptors do we need to call netif_wake_queue ? */
 #define E1000_TX_QUEUE_WAKE	16
 /* How many Rx Buffers do we bundle into one write to the hardware ? */

drivers/net/e1000/e1000_main.c

@@ -591,9 +591,9 @@ e1000_sw_init(struct e1000_adapter *adapter)
 
 	/* flow control settings */
 
-	hw->fc_high_water = FC_DEFAULT_HI_THRESH;
-	hw->fc_low_water = FC_DEFAULT_LO_THRESH;
-	hw->fc_pause_time = FC_DEFAULT_TX_TIMER;
+	hw->fc_high_water = E1000_FC_HIGH_THRESH;
+	hw->fc_low_water = E1000_FC_LOW_THRESH;
+	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
 	hw->fc_send_xon = 1;
 
 	/* Media type - copper or fiber */