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tc35815: Statistics cleanup
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Use struct net_device_stats embedded in struct net_device.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Atsushi Nemoto authored and Jeff Garzik committed Apr 17, 2008
1 parent 4547fa6 commit c201abd
Showing 1 changed file with 31 additions and 30 deletions.
61 changes: 31 additions & 30 deletions drivers/net/tc35815.c
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Original file line number Diff line number Diff line change
Expand Up @@ -418,7 +418,6 @@ struct tc35815_local {
struct napi_struct napi;

/* statistics */
struct net_device_stats stats;
struct {
int max_tx_qlen;
int tx_ints;
Expand Down Expand Up @@ -1192,7 +1191,7 @@ static void tc35815_tx_timeout(struct net_device *dev)
tc35815_restart(dev);
spin_unlock_irq(&lp->lock);

lp->stats.tx_errors++;
dev->stats.tx_errors++;

/* If we have space available to accept new transmit
* requests, wake up the queueing layer. This would
Expand Down Expand Up @@ -1392,7 +1391,7 @@ static int tc35815_do_interrupt(struct net_device *dev, u32 status)
printk(KERN_WARNING
"%s: Free Descriptor Area Exhausted (%#x).\n",
dev->name, status);
lp->stats.rx_dropped++;
dev->stats.rx_dropped++;
ret = 0;
}
if (status & Int_IntBLEx) {
Expand All @@ -1401,14 +1400,14 @@ static int tc35815_do_interrupt(struct net_device *dev, u32 status)
printk(KERN_WARNING
"%s: Buffer List Exhausted (%#x).\n",
dev->name, status);
lp->stats.rx_dropped++;
dev->stats.rx_dropped++;
ret = 0;
}
if (status & Int_IntExBD) {
printk(KERN_WARNING
"%s: Excessive Buffer Descriptiors (%#x).\n",
dev->name, status);
lp->stats.rx_length_errors++;
dev->stats.rx_length_errors++;
ret = 0;
}

Expand Down Expand Up @@ -1532,7 +1531,7 @@ tc35815_rx(struct net_device *dev)
if (skb == NULL) {
printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n",
dev->name);
lp->stats.rx_dropped++;
dev->stats.rx_dropped++;
break;
}
skb_reserve(skb, 2); /* 16 bit alignment */
Expand Down Expand Up @@ -1602,21 +1601,25 @@ tc35815_rx(struct net_device *dev)
netif_rx(skb);
#endif
dev->last_rx = jiffies;
lp->stats.rx_packets++;
lp->stats.rx_bytes += pkt_len;
dev->stats.rx_packets++;
dev->stats.rx_bytes += pkt_len;
} else {
lp->stats.rx_errors++;
dev->stats.rx_errors++;
printk(KERN_DEBUG "%s: Rx error (status %x)\n",
dev->name, status & Rx_Stat_Mask);
/* WORKAROUND: LongErr and CRCErr means Overflow. */
if ((status & Rx_LongErr) && (status & Rx_CRCErr)) {
status &= ~(Rx_LongErr|Rx_CRCErr);
status |= Rx_Over;
}
if (status & Rx_LongErr) lp->stats.rx_length_errors++;
if (status & Rx_Over) lp->stats.rx_fifo_errors++;
if (status & Rx_CRCErr) lp->stats.rx_crc_errors++;
if (status & Rx_Align) lp->stats.rx_frame_errors++;
if (status & Rx_LongErr)
dev->stats.rx_length_errors++;
if (status & Rx_Over)
dev->stats.rx_fifo_errors++;
if (status & Rx_CRCErr)
dev->stats.rx_crc_errors++;
if (status & Rx_Align)
dev->stats.rx_frame_errors++;
}

if (bd_count > 0) {
Expand Down Expand Up @@ -1777,9 +1780,9 @@ tc35815_check_tx_stat(struct net_device *dev, int status)

/* count collisions */
if (status & Tx_ExColl)
lp->stats.collisions += 16;
dev->stats.collisions += 16;
if (status & Tx_TxColl_MASK)
lp->stats.collisions += status & Tx_TxColl_MASK;
dev->stats.collisions += status & Tx_TxColl_MASK;

#ifndef NO_CHECK_CARRIER
/* TX4939 does not have NCarr */
Expand All @@ -1795,17 +1798,17 @@ tc35815_check_tx_stat(struct net_device *dev, int status)

if (!(status & TX_STA_ERR)) {
/* no error. */
lp->stats.tx_packets++;
dev->stats.tx_packets++;
return;
}

lp->stats.tx_errors++;
dev->stats.tx_errors++;
if (status & Tx_ExColl) {
lp->stats.tx_aborted_errors++;
dev->stats.tx_aborted_errors++;
msg = "Excessive Collision.";
}
if (status & Tx_Under) {
lp->stats.tx_fifo_errors++;
dev->stats.tx_fifo_errors++;
msg = "Tx FIFO Underrun.";
if (lp->lstats.tx_underrun < TX_THRESHOLD_KEEP_LIMIT) {
lp->lstats.tx_underrun++;
Expand All @@ -1818,25 +1821,25 @@ tc35815_check_tx_stat(struct net_device *dev, int status)
}
}
if (status & Tx_Defer) {
lp->stats.tx_fifo_errors++;
dev->stats.tx_fifo_errors++;
msg = "Excessive Deferral.";
}
#ifndef NO_CHECK_CARRIER
if (status & Tx_NCarr) {
lp->stats.tx_carrier_errors++;
dev->stats.tx_carrier_errors++;
msg = "Lost Carrier Sense.";
}
#endif
if (status & Tx_LateColl) {
lp->stats.tx_aborted_errors++;
dev->stats.tx_aborted_errors++;
msg = "Late Collision.";
}
if (status & Tx_TxPar) {
lp->stats.tx_fifo_errors++;
dev->stats.tx_fifo_errors++;
msg = "Transmit Parity Error.";
}
if (status & Tx_SQErr) {
lp->stats.tx_heartbeat_errors++;
dev->stats.tx_heartbeat_errors++;
msg = "Signal Quality Error.";
}
if (msg && netif_msg_tx_err(lp))
Expand Down Expand Up @@ -1878,7 +1881,7 @@ tc35815_txdone(struct net_device *dev)
BUG_ON(lp->tx_skbs[lp->tfd_end].skb != skb);
#endif
if (skb) {
lp->stats.tx_bytes += skb->len;
dev->stats.tx_bytes += skb->len;
pci_unmap_single(lp->pci_dev, lp->tx_skbs[lp->tfd_end].skb_dma, skb->len, PCI_DMA_TODEVICE);
lp->tx_skbs[lp->tfd_end].skb = NULL;
lp->tx_skbs[lp->tfd_end].skb_dma = 0;
Expand Down Expand Up @@ -1972,15 +1975,13 @@ tc35815_close(struct net_device *dev)
*/
static struct net_device_stats *tc35815_get_stats(struct net_device *dev)
{
struct tc35815_local *lp = dev->priv;
struct tc35815_regs __iomem *tr =
(struct tc35815_regs __iomem *)dev->base_addr;
if (netif_running(dev)) {
if (netif_running(dev))
/* Update the statistics from the device registers. */
lp->stats.rx_missed_errors = tc_readl(&tr->Miss_Cnt);
}
dev->stats.rx_missed_errors = tc_readl(&tr->Miss_Cnt);

return &lp->stats;
return &dev->stats;
}

static void tc35815_set_cam_entry(struct net_device *dev, int index, unsigned char *addr)
Expand Down

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