[PATCH] ixgb: Do not set the RS bit on context descriptors

Don't set the RS bit on context descriptors, causes un-necessary bus activity
Signed-off-by: NMallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: NGanesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: NJohn Ronciak <john.ronciak@intel.com>

diff -up net-drivers-2.6/drivers/net/ixgb/ixgb_main.c net-drivers-2.6/drivers/net/ixgb.new/ixgb_main.c

drivers/net/ixgb/ixgb_main.c

@@ -1209,10 +1209,10 @@ ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb)
 						| IXGB_CONTEXT_DESC_CMD_TSE
 						| IXGB_CONTEXT_DESC_CMD_IP
 						| IXGB_CONTEXT_DESC_CMD_TCP
-						| IXGB_CONTEXT_DESC_CMD_RS
 						| IXGB_CONTEXT_DESC_CMD_IDE
 						| (skb->len - (hdr_len)));
 
+
 		if(++i == adapter->tx_ring.count) i = 0;
 		adapter->tx_ring.next_to_use = i;
 
@@ -1247,8 +1247,7 @@ ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb)
 		context_desc->mss = 0;
 		context_desc->cmd_type_len =
 			cpu_to_le32(IXGB_CONTEXT_DESC_TYPE
-					| IXGB_TX_DESC_CMD_RS 
-					| IXGB_TX_DESC_CMD_IDE);
+				    | IXGB_TX_DESC_CMD_IDE);
 
 		if(++i == adapter->tx_ring.count) i = 0;
 		adapter->tx_ring.next_to_use = i;