[PATCH] epic100: Use the instance of net_device_stats from net_device.

Kulikov Vasiliy
2010-07-05T12:13:28Z

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>
---
drivers/net/epic100.c | 47 ++++++++++++++++++++++-------------------------
1 files changed, 22 insertions(+), 25 deletions(-)

diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c
index 4c27465..57c8ac0 100644
--- a/drivers/net/epic100.c
+++ b/drivers/net/epic100.c
@@ -278,7 +278,6 @@ struct epic_private {
struct pci_dev *pci_dev; /* PCI bus location. */
int chip_id, chip_flags;

- struct net_device_stats stats;
struct timer_list timer; /* Media selection timer. */
int tx_threshold;
unsigned char mc_filter[8];
@@ -770,7 +769,6 @@ static int epic_open(struct net_device *dev)
static void epic_pause(struct net_device *dev)
{
long ioaddr = dev->base_addr;
- struct epic_private *ep = netdev_priv(dev);

netif_stop_queue (dev);

@@ -781,9 +779,9 @@ static void epic_pause(struct net_device *dev)

/* Update the error counts. */
if (inw(ioaddr + COMMAND) != 0xffff) {
- ep->stats.rx_missed_errors += inb(ioaddr + MPCNT);
- ep->stats.rx_frame_errors += inb(ioaddr + ALICNT);
- ep->stats.rx_crc_errors += inb(ioaddr + CRCCNT);
+ dev->stats.rx_missed_errors += inb(ioaddr + MPCNT);
+ dev->stats.rx_frame_errors += inb(ioaddr + ALICNT);
+ dev->stats.rx_crc_errors += inb(ioaddr + CRCCNT);
}

/* Remove the packets on the Rx queue. */
@@ -900,7 +898,7 @@ static void epic_tx_timeout(struct net_device *dev)
}
}
if (inw(ioaddr + TxSTAT) & 0x10) { /* Tx FIFO underflow. */
- ep->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
outl(RestartTx, ioaddr + COMMAND);
} else {
epic_restart(dev);
@@ -908,7 +906,7 @@ static void epic_tx_timeout(struct net_device *dev)
}

dev->trans_start = jiffies; /* prevent tx timeout */
- ep->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (!ep->tx_full)
netif_wake_queue(dev);
}
@@ -1016,7 +1014,7 @@ static netdev_tx_t epic_start_xmit(struct sk_buff *skb, struct net_device *dev)
static void epic_tx_error(struct net_device *dev, struct epic_private *ep,
int status)
{
- struct net_device_stats *stats = &ep->stats;
+ struct net_device_stats *stats = &dev->stats;

#ifndef final_version
/* There was an major error, log it. */
@@ -1053,9 +1051,9 @@ static void epic_tx(struct net_device *dev, struct epic_private *ep)
break; /* It still hasn't been Txed */

if (likely(txstatus & 0x0001)) {
- ep->stats.collisions += (txstatus >> 8) & 15;
- ep->stats.tx_packets++;
- ep->stats.tx_bytes += ep->tx_skbuff[entry]->len;
+ dev->stats.collisions += (txstatus >> 8) & 15;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += ep->tx_skbuff[entry]->len;
} else
epic_tx_error(dev, ep, txstatus);

@@ -1125,12 +1123,12 @@ static irqreturn_t epic_interrupt(int irq, void *dev_instance)
goto out;

/* Always update the error counts to avoid overhead later. */
- ep->stats.rx_missed_errors += inb(ioaddr + MPCNT);
- ep->stats.rx_frame_errors += inb(ioaddr + ALICNT);
- ep->stats.rx_crc_errors += inb(ioaddr + CRCCNT);
+ dev->stats.rx_missed_errors += inb(ioaddr + MPCNT);
+ dev->stats.rx_frame_errors += inb(ioaddr + ALICNT);
+ dev->stats.rx_crc_errors += inb(ioaddr + CRCCNT);

if (status & TxUnderrun) { /* Tx FIFO underflow. */
- ep->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
outl(ep->tx_threshold += 128, ioaddr + TxThresh);
/* Restart the transmit process. */
outl(RestartTx, ioaddr + COMMAND);
@@ -1183,10 +1181,10 @@ static int epic_rx(struct net_device *dev, int budget)
if (status & 0x2000) {
printk(KERN_WARNING "%s: Oversized Ethernet frame spanned "
"multiple buffers, status %4.4x!\n", dev->name, status);
- ep->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
} else if (status & 0x0006)
/* Rx Frame errors are counted in hardware. */
- ep->stats.rx_errors++;
+ dev->stats.rx_errors++;
} else {
/* Malloc up new buffer, compatible with net-2e. */
/* Omit the four octet CRC from the length. */
@@ -1223,8 +1221,8 @@ static int epic_rx(struct net_device *dev, int budget)
}
skb->protocol = eth_type_trans(skb, dev);
netif_receive_skb(skb);
- ep->stats.rx_packets++;
- ep->stats.rx_bytes += pkt_len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pkt_len;
}
work_done++;
entry = (++ep->cur_rx) % RX_RING_SIZE;
@@ -1259,7 +1257,7 @@ static void epic_rx_err(struct net_device *dev, struct epic_private *ep)
if (status == EpicRemoved)
return;
if (status & RxOverflow) /* Missed a Rx frame. */
- ep->stats.rx_errors++;
+ dev->stats.rx_errors++;
if (status & (RxOverflow | RxFull))
outw(RxQueued, ioaddr + COMMAND);
}
@@ -1357,17 +1355,16 @@ static int epic_close(struct net_device *dev)

static struct net_device_stats *epic_get_stats(struct net_device *dev)
{
- struct epic_private *ep = netdev_priv(dev);
long ioaddr = dev->base_addr;

if (netif_running(dev)) {
/* Update the error counts. */
- ep->stats.rx_missed_errors += inb(ioaddr + MPCNT);
- ep->stats.rx_frame_errors += inb(ioaddr + ALICNT);
- ep->stats.rx_crc_errors += inb(ioaddr + CRCCNT);
+ dev->stats.rx_missed_errors += inb(ioaddr + MPCNT);
+ dev->stats.rx_frame_errors += inb(ioaddr + ALICNT);
+ dev->stats.rx_crc_errors += inb(ioaddr + CRCCNT);
}

- return &ep->stats;
+ return &dev->stats;
}

/* Set or clear the multicast filter for this adaptor.
--
1.7.0.4