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path: root/drivers/net/sc92031.c
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Diffstat (limited to 'drivers/net/sc92031.c')
-rw-r--r--drivers/net/sc92031.c86
1 files changed, 39 insertions, 47 deletions
diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c
index 15fcee55284e..f64a860029b7 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;
}
@@ -795,7 +796,7 @@ static void _sc92031_rx_tasklet(struct net_device *dev)
rx_len -= rx_size_align + 4;
- skb = dev_alloc_skb(pkt_size + NET_IP_ALIGN);
+ skb = netdev_alloc_skb(dev, pkt_size + NET_IP_ALIGN);
if (unlikely(!skb)) {
if (printk_ratelimit())
printk(KERN_ERR "%s: Couldn't allocate a skb_buff for a packet of size %u\n",
@@ -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))
@@ -936,38 +935,36 @@ 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)
{
- int err = 0;
struct sc92031_priv *priv = netdev_priv(dev);
void __iomem *port_base = priv->port_base;
-
unsigned len;
unsigned entry;
u32 tx_status;
+ if (skb_padto(skb, ETH_ZLEN))
+ return NETDEV_TX_OK;
+
if (unlikely(skb->len > TX_BUF_SIZE)) {
- err = -EMSGSIZE;
- priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
goto out;
}
spin_lock(&priv->lock);
if (unlikely(!netif_carrier_ok(dev))) {
- err = -ENOLINK;
- priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
goto out_unlock;
}
@@ -978,11 +975,6 @@ static int sc92031_start_xmit(struct sk_buff *skb, struct net_device *dev)
skb_copy_and_csum_dev(skb, priv->tx_bufs + entry * TX_BUF_SIZE);
len = skb->len;
- if (unlikely(len < ETH_ZLEN)) {
- memset(priv->tx_bufs + entry * TX_BUF_SIZE + len,
- 0, ETH_ZLEN - len);
- len = ETH_ZLEN;
- }
wmb();
@@ -1009,7 +1001,7 @@ out_unlock:
out:
dev_kfree_skb(skb);
- return err;
+ return NETDEV_TX_OK;
}
static int sc92031_open(struct net_device *dev)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 09:34:34 +0100