[PATCH] e1000: Fix jumbo frame performance

Partition PBA for Jumbo frames based on MTU size.
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NJesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: NJohn Ronciak <john.ronciak@intel.com>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>

drivers/net/e1000/e1000_main.c

@@ -43,7 +43,7 @@ static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
 #else
 #define DRIVERNAPI "-NAPI"
 #endif
-#define DRV_VERSION "6.1.16-k2"DRIVERNAPI
+#define DRV_VERSION "6.3.9-k2"DRIVERNAPI
 char e1000_driver_version[] = DRV_VERSION;
 static char e1000_copyright[] = "Copyright (c) 1999-2005 Intel Corporation.";
 
@@ -449,7 +449,7 @@ e1000_reset(struct e1000_adapter *adapter)
 	}
 
 	if((adapter->hw.mac_type != e1000_82573) &&
-	   (adapter->rx_buffer_len > E1000_RXBUFFER_8192)) {
+	   (adapter->netdev->mtu > E1000_RXBUFFER_8192)) {
 		pba -= 8; /* allocate more FIFO for Tx */
 		/* send an XOFF when there is enough space in the
 		 * Rx FIFO to hold one extra full size Rx packet