sc92031: use net_device stats

Statistics structure is available for use in net_device structure.
Compile tested only.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 34 insertions, 36 deletions

diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c
index 15fcee55284e..af0422da6f99 100644
--- a/drivers/net/sc92031.c
+++ b/drivers/net/sc92031.c
@@ -311,7 +311,6 @@ struct sc92031_priv {
 
         /* for dev->get_stats */
         long                    rx_value;
-        struct net_device_stats stats;
 };
 
 /* I don't know which registers can be safely read; however, I can guess
@@ -421,7 +420,7 @@ static void _sc92031_tx_clear(struct net_device *dev)
 
         while (priv->tx_head - priv->tx_tail > 0) {
                 priv->tx_tail++;
-                priv->stats.tx_dropped++;
+                dev->stats.tx_dropped++;
         }
         priv->tx_head = priv->tx_tail = 0;
 }
@@ -676,27 +675,27 @@ static void _sc92031_tx_tasklet(struct net_device *dev)
                 priv->tx_tail++;
 
                 if (tx_status & TxStatOK) {
-                        priv->stats.tx_bytes += tx_status & 0x1fff;
-                        priv->stats.tx_packets++;
+                        dev->stats.tx_bytes += tx_status & 0x1fff;
+                        dev->stats.tx_packets++;
                         /* Note: TxCarrierLost is always asserted at 100mbps. */
-                        priv->stats.collisions += (tx_status >> 22) & 0xf;
+                        dev->stats.collisions += (tx_status >> 22) & 0xf;
                 }
 
                 if (tx_status & (TxOutOfWindow | TxAborted)) {
-                        priv->stats.tx_errors++;
+                        dev->stats.tx_errors++;
 
                         if (tx_status & TxAborted)
-                                priv->stats.tx_aborted_errors++;
+                                dev->stats.tx_aborted_errors++;
 
                         if (tx_status & TxCarrierLost)
-                                priv->stats.tx_carrier_errors++;
+                                dev->stats.tx_carrier_errors++;
 
                         if (tx_status & TxOutOfWindow)
-                                priv->stats.tx_window_errors++;
+                                dev->stats.tx_window_errors++;
                 }
 
                 if (tx_status & TxUnderrun)
-                        priv->stats.tx_fifo_errors++;
+                        dev->stats.tx_fifo_errors++;
         }
 
         if (priv->tx_tail != old_tx_tail)
@@ -704,27 +703,29 @@ static void _sc92031_tx_tasklet(struct net_device *dev)
                         netif_wake_queue(dev);
 }
 
-static void _sc92031_rx_tasklet_error(u32 rx_status,
-                struct sc92031_priv *priv, unsigned rx_size)
+static void _sc92031_rx_tasklet_error(struct net_device *dev,
+                                      u32 rx_status, unsigned rx_size)
 {
         if(rx_size > (MAX_ETH_FRAME_SIZE + 4) || rx_size < 16) {
-                priv->stats.rx_errors++;
-                priv->stats.rx_length_errors++;
+                dev->stats.rx_errors++;
+                dev->stats.rx_length_errors++;
         }
 
         if (!(rx_status & RxStatesOK)) {
-                priv->stats.rx_errors++;
+                dev->stats.rx_errors++;
 
                 if (rx_status & (RxHugeFrame | RxSmallFrame))
-                        priv->stats.rx_length_errors++;
+                        dev->stats.rx_length_errors++;
 
                 if (rx_status & RxBadAlign)
-                        priv->stats.rx_frame_errors++;
+                        dev->stats.rx_frame_errors++;
 
                 if (!(rx_status & RxCRCOK))
-                        priv->stats.rx_crc_errors++;
-        } else
+                        dev->stats.rx_crc_errors++;
+        } else {
+                struct sc92031_priv *priv = netdev_priv(dev);
                 priv->rx_loss++;
+        }
 }
 
 static void _sc92031_rx_tasklet(struct net_device *dev)
@@ -783,7 +784,7 @@ static void _sc92031_rx_tasklet(struct net_device *dev)
                                 || rx_size > (MAX_ETH_FRAME_SIZE + 4)
                                 || rx_size < 16
                                 || !(rx_status & RxStatesOK))) {
-                        _sc92031_rx_tasklet_error(rx_status, priv, rx_size);
+                        _sc92031_rx_tasklet_error(dev, rx_status, rx_size);
                         break;
                 }
 
@@ -818,11 +819,11 @@ static void _sc92031_rx_tasklet(struct net_device *dev)
                 dev->last_rx = jiffies;
                 netif_rx(skb);
 
-                priv->stats.rx_bytes += pkt_size;
-                priv->stats.rx_packets++;
+                dev->stats.rx_bytes += pkt_size;
+                dev->stats.rx_packets++;
 
                 if (rx_status & Rx_Multicast)
-                        priv->stats.multicast++;
+                        dev->stats.multicast++;
 
         next:
                 rx_ring_offset = (rx_ring_offset + rx_size_align) % RX_BUF_LEN;
@@ -835,13 +836,11 @@ static void _sc92031_rx_tasklet(struct net_device *dev)
 
 static void _sc92031_link_tasklet(struct net_device *dev)
 {
-        struct sc92031_priv *priv = netdev_priv(dev);
-
         if (_sc92031_check_media(dev))
                 netif_wake_queue(dev);
         else {
                 netif_stop_queue(dev);
-                priv->stats.tx_carrier_errors++;
+                dev->stats.tx_carrier_errors++;
         }
 }
 
@@ -866,11 +865,11 @@ static void sc92031_tasklet(unsigned long data)
                 _sc92031_rx_tasklet(dev);
 
         if (intr_status & RxOverflow)
-                priv->stats.rx_errors++;
+                dev->stats.rx_errors++;
 
         if (intr_status & TimeOut) {
-                priv->stats.rx_errors++;
-                priv->stats.rx_length_errors++;
+                dev->stats.rx_errors++;
+                dev->stats.rx_length_errors++;
         }
 
         if (intr_status & (LinkFail | LinkOK))
@@ -936,15 +935,14 @@ static struct net_device_stats *sc92031_get_stats(struct net_device *dev)
 
                 if (temp == 0xffff) {
                         priv->rx_value += temp;
-                        priv->stats.rx_fifo_errors = priv->rx_value;
-                } else {
-                        priv->stats.rx_fifo_errors = temp + priv->rx_value;
-                }
+                        dev->stats.rx_fifo_errors = priv->rx_value;
+                } else
+                        dev->stats.rx_fifo_errors = temp + priv->rx_value;
 
                 spin_unlock_bh(&priv->lock);
         }
 
-        return &priv->stats;
+        return &dev->stats;
 }
 
 static int sc92031_start_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -959,7 +957,7 @@ static int sc92031_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
         if (unlikely(skb->len > TX_BUF_SIZE)) {
                 err = -EMSGSIZE;
-                priv->stats.tx_dropped++;
+                dev->stats.tx_dropped++;
                 goto out;
         }
 
@@ -967,7 +965,7 @@ static int sc92031_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
         if (unlikely(!netif_carrier_ok(dev))) {
                 err = -ENOLINK;
-                priv->stats.tx_dropped++;
+                dev->stats.tx_dropped++;
                 goto out_unlock;
         }