ethoc: Use the instance of net_device_stats from net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the adapter structure.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
index 37ce8aca2cc69f3945368dd7f9a3b4de2521948e..db519a81e53a9f3a3b32fbca1e9a5c9404d21904 100644 (file)
--- a/drivers/net/ethoc.c
+++ b/drivers/net/ethoc.c
@@ -183,7 +183,6 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size");
  * @vma:        pointer to array of virtual memory addresses for buffers
  * @netdev:    pointer to network device structure
  * @napi:      NAPI structure
- * @stats:     network device statistics
  * @msg_enable:        device state flags
  * @rx_lock:   receive lock
  * @lock:      device lock
@@ -208,7 +207,6 @@ struct ethoc {
 
        struct net_device *netdev;
        struct napi_struct napi;
-       struct net_device_stats stats;
        u32 msg_enable;
 
        spinlock_t rx_lock;
@@ -367,39 +365,39 @@ static unsigned int ethoc_update_rx_stats(struct ethoc *dev,
 
        if (bd->stat & RX_BD_TL) {
                dev_err(&netdev->dev, "RX: frame too long\n");
-               dev->stats.rx_length_errors++;
+               netdev->stats.rx_length_errors++;
                ret++;
        }
 
        if (bd->stat & RX_BD_SF) {
                dev_err(&netdev->dev, "RX: frame too short\n");
-               dev->stats.rx_length_errors++;
+               netdev->stats.rx_length_errors++;
                ret++;
        }
 
        if (bd->stat & RX_BD_DN) {
                dev_err(&netdev->dev, "RX: dribble nibble\n");
-               dev->stats.rx_frame_errors++;
+               netdev->stats.rx_frame_errors++;
        }
 
        if (bd->stat & RX_BD_CRC) {
                dev_err(&netdev->dev, "RX: wrong CRC\n");
-               dev->stats.rx_crc_errors++;
+               netdev->stats.rx_crc_errors++;
                ret++;
        }
 
        if (bd->stat & RX_BD_OR) {
                dev_err(&netdev->dev, "RX: overrun\n");
-               dev->stats.rx_over_errors++;
+               netdev->stats.rx_over_errors++;
                ret++;
        }
 
        if (bd->stat & RX_BD_MISS)
-               dev->stats.rx_missed_errors++;
+               netdev->stats.rx_missed_errors++;
 
        if (bd->stat & RX_BD_LC) {
                dev_err(&netdev->dev, "RX: late collision\n");
-               dev->stats.collisions++;
+               netdev->stats.collisions++;
                ret++;
        }
 
@@ -431,15 +429,15 @@ static int ethoc_rx(struct net_device *dev, int limit)
                                void *src = priv->vma[entry];
                                memcpy_fromio(skb_put(skb, size), src, size);
                                skb->protocol = eth_type_trans(skb, dev);
-                               priv->stats.rx_packets++;
-                               priv->stats.rx_bytes += size;
+                               dev->stats.rx_packets++;
+                               dev->stats.rx_bytes += size;
                                netif_receive_skb(skb);
                        } else {
                                if (net_ratelimit())
                                        dev_warn(&dev->dev, "low on memory - "
                                                        "packet dropped\n");
 
-                               priv->stats.rx_dropped++;
+                               dev->stats.rx_dropped++;
                                break;
                        }
                }
@@ -460,30 +458,30 @@ static int ethoc_update_tx_stats(struct ethoc *dev, struct ethoc_bd *bd)
 
        if (bd->stat & TX_BD_LC) {
                dev_err(&netdev->dev, "TX: late collision\n");
-               dev->stats.tx_window_errors++;
+               netdev->stats.tx_window_errors++;
        }
 
        if (bd->stat & TX_BD_RL) {
                dev_err(&netdev->dev, "TX: retransmit limit\n");
-               dev->stats.tx_aborted_errors++;
+               netdev->stats.tx_aborted_errors++;
        }
 
        if (bd->stat & TX_BD_UR) {
                dev_err(&netdev->dev, "TX: underrun\n");
-               dev->stats.tx_fifo_errors++;
+               netdev->stats.tx_fifo_errors++;
        }
 
        if (bd->stat & TX_BD_CS) {
                dev_err(&netdev->dev, "TX: carrier sense lost\n");
-               dev->stats.tx_carrier_errors++;
+               netdev->stats.tx_carrier_errors++;
        }
 
        if (bd->stat & TX_BD_STATS)
-               dev->stats.tx_errors++;
+               netdev->stats.tx_errors++;
 
-       dev->stats.collisions += (bd->stat >> 4) & 0xf;
-       dev->stats.tx_bytes += bd->stat >> 16;
-       dev->stats.tx_packets++;
+       netdev->stats.collisions += (bd->stat >> 4) & 0xf;
+       netdev->stats.tx_bytes += bd->stat >> 16;
+       netdev->stats.tx_packets++;
        return 0;
 }
 
@@ -514,7 +512,7 @@ static void ethoc_tx(struct net_device *dev)
 
 static irqreturn_t ethoc_interrupt(int irq, void *dev_id)
 {
-       struct net_device *dev = (struct net_device *)dev_id;
+       struct net_device *dev = dev_id;
        struct ethoc *priv = netdev_priv(dev);
        u32 pending;
 
@@ -529,7 +527,7 @@ static irqreturn_t ethoc_interrupt(int irq, void *dev_id)
 
        if (pending & INT_MASK_BUSY) {
                dev_err(&dev->dev, "packet dropped\n");
-               priv->stats.rx_dropped++;
+               dev->stats.rx_dropped++;
        }
 
        if (pending & INT_MASK_RX) {
@@ -810,8 +808,7 @@ static void ethoc_tx_timeout(struct net_device *dev)
 
 static struct net_device_stats *ethoc_stats(struct net_device *dev)
 {
-       struct ethoc *priv = netdev_priv(dev);
-       return &priv->stats;
+       return &dev->stats;
 }
 
 static netdev_tx_t ethoc_start_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -822,7 +819,7 @@ static netdev_tx_t ethoc_start_xmit(struct sk_buff *skb, struct net_device *dev)
        void *dest;
 
        if (unlikely(skb->len > ETHOC_BUFSIZ)) {
-               priv->stats.tx_errors++;
+               dev->stats.tx_errors++;
                goto out;
        }