qlge: Clean up netdev->stats usage.

Don't access netdev->stats in IO path.  Save them in tx_ring/rx_rings
and add them up when get_stats API is called.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 5e4d3439043e..1f59f054452d 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1263,6 +1263,9 @@ struct tx_ring {
         atomic_t queue_stopped; /* Turns queue off when full. */
         struct delayed_work tx_work;
         struct ql_adapter *qdev;
+        u64 tx_packets;
+        u64 tx_bytes;
+        u64 tx_errors;
 };
 
 /*
@@ -1329,6 +1332,11 @@ struct rx_ring {
         struct napi_struct napi;
         u8 reserved;
         struct ql_adapter *qdev;
+        u64 rx_packets;
+        u64 rx_multicast;
+        u64 rx_bytes;
+        u64 rx_dropped;
+        u64 rx_errors;
 };
 
 /*