staging: et131x: Use net_device_stats from struct net_device

Instead of using an own copy of struct net_device_stats in struct
et131x_adapter, use stats from struct net_device.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/et131x/et131x.c

@@ -532,8 +532,6 @@ struct et131x_adapter {
 
 	/* Stats */
 	struct ce_stats stats;
-
-	struct net_device_stats net_stats;
 };
 
 static int eeprom_wait_ready(struct pci_dev *pdev, u32 *status)
@@ -2618,7 +2616,7 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *adapter)
 		return NULL;
 	}
 
-	adapter->net_stats.rx_bytes += rfd->len;
+	adapter->netdev->stats.rx_bytes += rfd->len;
 
 	memcpy(skb_put(skb, rfd->len), fbr->virt[buff_index], rfd->len);
 
@@ -2666,7 +2664,7 @@ static void et131x_handle_recv_interrupt(struct et131x_adapter *adapter)
 			continue;
 
 		/* Increment the number of packets we received */
-		adapter->net_stats.rx_packets++;
+		adapter->netdev->stats.rx_packets++;
 
 		/* Set the status on the packet, either resources or success */
 		if (rx_ring->num_ready_recv < RFD_LOW_WATER_MARK)
@@ -3037,7 +3035,7 @@ static int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev)
 			dev_kfree_skb_any(skb);
 			skb = NULL;
 
-			adapter->net_stats.tx_dropped++;
+			adapter->netdev->stats.tx_dropped++;
 		} else {
 			status = send_packet(skb, adapter);
 			if (status != 0 && status != -ENOMEM) {
@@ -3046,7 +3044,7 @@ static int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev)
 				 */
 				dev_kfree_skb_any(skb);
 				skb = NULL;
-				adapter->net_stats.tx_dropped++;
+				adapter->netdev->stats.tx_dropped++;
 			}
 		}
 	}
@@ -3065,7 +3063,7 @@ static inline void free_send_packet(struct et131x_adapter *adapter,
 {
 	unsigned long flags;
 	struct tx_desc *desc = NULL;
-	struct net_device_stats *stats = &adapter->net_stats;
+	struct net_device_stats *stats = &adapter->netdev->stats;
 	struct tx_ring *tx_ring = &adapter->tx_ring;
 	u64  dma_addr;
 
@@ -3110,7 +3108,7 @@ static inline void free_send_packet(struct et131x_adapter *adapter,
 	/* Add the TCB to the Ready Q */
 	spin_lock_irqsave(&adapter->tcb_ready_qlock, flags);
 
-	adapter->net_stats.tx_packets++;
+	stats->tx_packets++;
 
 	if (tx_ring->tcb_qtail)
 		tx_ring->tcb_qtail->next = tcb;
@@ -4134,7 +4132,7 @@ static void et131x_isr_handler(struct work_struct *work)
 static struct net_device_stats *et131x_stats(struct net_device *netdev)
 {
 	struct et131x_adapter *adapter = netdev_priv(netdev);
-	struct net_device_stats *stats = &adapter->net_stats;
+	struct net_device_stats *stats = &adapter->netdev->stats;
 	struct ce_stats *devstat = &adapter->stats;
 
 	stats->rx_errors = devstat->rx_length_errs +
@@ -4426,7 +4424,7 @@ static void et131x_tx_timeout(struct net_device *netdev)
 				tcb->index,
 				tcb->flags);
 
-			adapter->net_stats.tx_errors++;
+			adapter->netdev->stats.tx_errors++;
 
 			/* perform reset of tx/rx */
 			et131x_disable_txrx(netdev);