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Commit c201abd9 authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Jeff Garzik
Browse files

tc35815: Statistics cleanup 



Use struct net_device_stats embedded in struct net_device.

Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 4547fa61

drivers/net/tc35815.c

+31 −30
Original line number Diff line number Diff line
@@ -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;
@@ -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
@@ -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) {
@@ -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;

	}
@@ -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 */
@@ -1602,10 +1601,10 @@ 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. */
@@ -1613,10 +1612,14 @@ tc35815_rx(struct net_device *dev) 
				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) {
@@ -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 */
@@ -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++;
@@ -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))
@@ -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;
@@ -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)