1 files changed, 13 insertions, 6 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 3f0223ac4c7c..fb659dd8db03 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -56,7 +56,7 @@
 
 #define DRV_EXTRAVERSION "-k"
 
-#define DRV_VERSION "2.0.0" DRV_EXTRAVERSION
+#define DRV_VERSION "2.1.4" DRV_EXTRAVERSION
 char e1000e_driver_name[] = "e1000e";
 const char e1000e_driver_version[] = DRV_VERSION;
 
@@ -3446,7 +3446,7 @@ void e1000e_reset(struct e1000_adapter *adapter)
 
 			/*
 			 * if short on Rx space, Rx wins and must trump Tx
-			 * adjustment or use Early Receive if available
+			 * adjustment
 			 */
 			if (pba < min_rx_space)
 				pba = min_rx_space;
@@ -3755,6 +3755,10 @@ static irqreturn_t e1000_intr_msi_test(int irq, void *data)
 	e_dbg("icr is %08X\n", icr);
 	if (icr & E1000_ICR_RXSEQ) {
 		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
+		/*
+		 * Force memory writes to complete before acknowledging the
+		 * interrupt is handled.
+		 */
 		wmb();
 	}
 
@@ -3796,6 +3800,10 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
 		goto msi_test_failed;
 	}
 
+	/*
+	 * Force memory writes to complete before enabling and firing an
+	 * interrupt.
+	 */
 	wmb();
 
 	e1000_irq_enable(adapter);
@@ -3807,7 +3815,7 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
 
 	e1000_irq_disable(adapter);
 
-	rmb();
+	rmb();			/* read flags after interrupt has been fired */
 
 	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
 		adapter->int_mode = E1000E_INT_MODE_LEGACY;
@@ -4670,7 +4678,7 @@ static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb)
 	struct e1000_buffer *buffer_info;
 	unsigned int i;
 	u32 cmd_length = 0;
-	u16 ipcse = 0, tucse, mss;
+	u16 ipcse = 0, mss;
 	u8 ipcss, ipcso, tucss, tucso, hdr_len;
 
 	if (!skb_is_gso(skb))
@@ -4704,7 +4712,6 @@ static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb)
 	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
 	tucss = skb_transport_offset(skb);
 	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
-	tucse = 0;
 
 	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
 	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
@@ -4718,7 +4725,7 @@ static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb)
 	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
 	context_desc->upper_setup.tcp_fields.tucss = tucss;
 	context_desc->upper_setup.tcp_fields.tucso = tucso;
-	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
+	context_desc->upper_setup.tcp_fields.tucse = 0;
 	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
 	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
 	context_desc->cmd_and_length = cpu_to_le32(cmd_length);