2010-07-05 12:13:45

by Kulikov Vasiliy

[permalink] [raw]
Subject: [PATCH] fealnx: Use the instance of net_device_stats from net_device.

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 <[email protected]>
---
drivers/net/fealnx.c | 68 ++++++++++++++++++++++++++-----------------------
1 files changed, 36 insertions(+), 32 deletions(-)

diff --git a/drivers/net/fealnx.c b/drivers/net/fealnx.c
index 15f4f8d..d7e8f6b 100644
--- a/drivers/net/fealnx.c
+++ b/drivers/net/fealnx.c
@@ -382,8 +382,6 @@ struct netdev_private {

spinlock_t lock;

- struct net_device_stats stats;
-
/* Media monitoring timer. */
struct timer_list timer;

@@ -1234,7 +1232,7 @@ static void fealnx_tx_timeout(struct net_device *dev)
spin_unlock_irqrestore(&np->lock, flags);

dev->trans_start = jiffies; /* prevent tx timeout */
- np->stats.tx_errors++;
+ dev->stats.tx_errors++;
netif_wake_queue(dev); /* or .._start_.. ?? */
}

@@ -1479,10 +1477,11 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)

if (intr_status & CNTOVF) {
/* missed pkts */
- np->stats.rx_missed_errors += ioread32(ioaddr + TALLY) & 0x7fff;
+ dev->stats.rx_missed_errors +=
+ ioread32(ioaddr + TALLY) & 0x7fff;

/* crc error */
- np->stats.rx_crc_errors +=
+ dev->stats.rx_crc_errors +=
(ioread32(ioaddr + TALLY) & 0x7fff0000) >> 16;
}

@@ -1513,30 +1512,30 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)

if (!(np->crvalue & CR_W_ENH)) {
if (tx_status & (CSL | LC | EC | UDF | HF)) {
- np->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (tx_status & EC)
- np->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
if (tx_status & CSL)
- np->stats.tx_carrier_errors++;
+ dev->stats.tx_carrier_errors++;
if (tx_status & LC)
- np->stats.tx_window_errors++;
+ dev->stats.tx_window_errors++;
if (tx_status & UDF)
- np->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
if ((tx_status & HF) && np->mii.full_duplex == 0)
- np->stats.tx_heartbeat_errors++;
+ dev->stats.tx_heartbeat_errors++;

} else {
- np->stats.tx_bytes +=
+ dev->stats.tx_bytes +=
((tx_control & PKTSMask) >> PKTSShift);

- np->stats.collisions +=
+ dev->stats.collisions +=
((tx_status & NCRMask) >> NCRShift);
- np->stats.tx_packets++;
+ dev->stats.tx_packets++;
}
} else {
- np->stats.tx_bytes +=
+ dev->stats.tx_bytes +=
((tx_control & PKTSMask) >> PKTSShift);
- np->stats.tx_packets++;
+ dev->stats.tx_packets++;
}

/* Free the original skb. */
@@ -1564,10 +1563,12 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)
long data;

data = ioread32(ioaddr + TSR);
- np->stats.tx_errors += (data & 0xff000000) >> 24;
- np->stats.tx_aborted_errors += (data & 0xff000000) >> 24;
- np->stats.tx_window_errors += (data & 0x00ff0000) >> 16;
- np->stats.collisions += (data & 0x0000ffff);
+ dev->stats.tx_errors += (data & 0xff000000) >> 24;
+ dev->stats.tx_aborted_errors +=
+ (data & 0xff000000) >> 24;
+ dev->stats.tx_window_errors +=
+ (data & 0x00ff0000) >> 16;
+ dev->stats.collisions += (data & 0x0000ffff);
}

if (--boguscnt < 0) {
@@ -1593,10 +1594,11 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)

/* read the tally counters */
/* missed pkts */
- np->stats.rx_missed_errors += ioread32(ioaddr + TALLY) & 0x7fff;
+ dev->stats.rx_missed_errors += ioread32(ioaddr + TALLY) & 0x7fff;

/* crc error */
- np->stats.rx_crc_errors += (ioread32(ioaddr + TALLY) & 0x7fff0000) >> 16;
+ dev->stats.rx_crc_errors +=
+ (ioread32(ioaddr + TALLY) & 0x7fff0000) >> 16;

if (debug)
printk(KERN_DEBUG "%s: exiting interrupt, status=%#4.4x.\n",
@@ -1635,13 +1637,13 @@ static int netdev_rx(struct net_device *dev)
"%s: Receive error, Rx status %8.8x.\n",
dev->name, rx_status);

- np->stats.rx_errors++; /* end of a packet. */
+ dev->stats.rx_errors++; /* end of a packet. */
if (rx_status & (LONG | RUNT))
- np->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
if (rx_status & RXER)
- np->stats.rx_frame_errors++;
+ dev->stats.rx_frame_errors++;
if (rx_status & CRC)
- np->stats.rx_crc_errors++;
+ dev->stats.rx_crc_errors++;
} else {
int need_to_reset = 0;
int desno = 0;
@@ -1667,7 +1669,7 @@ static int netdev_rx(struct net_device *dev)
if (need_to_reset == 0) {
int i;

- np->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;

/* free all rx descriptors related this long pkt */
for (i = 0; i < desno; ++i) {
@@ -1733,8 +1735,8 @@ static int netdev_rx(struct net_device *dev)
}
skb->protocol = eth_type_trans(skb, dev);
netif_rx(skb);
- np->stats.rx_packets++;
- np->stats.rx_bytes += pkt_len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pkt_len;
}

np->cur_rx = np->cur_rx->next_desc_logical;
@@ -1754,11 +1756,13 @@ static struct net_device_stats *get_stats(struct net_device *dev)

/* The chip only need report frame silently dropped. */
if (netif_running(dev)) {
- np->stats.rx_missed_errors += ioread32(ioaddr + TALLY) & 0x7fff;
- np->stats.rx_crc_errors += (ioread32(ioaddr + TALLY) & 0x7fff0000) >> 16;
+ dev->stats.rx_missed_errors +=
+ ioread32(ioaddr + TALLY) & 0x7fff;
+ dev->stats.rx_crc_errors +=
+ (ioread32(ioaddr + TALLY) & 0x7fff0000) >> 16;
}

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


--
1.7.0.4


2010-07-06 02:06:45

by David Miller

[permalink] [raw]
Subject: Re: [PATCH] fealnx: Use the instance of net_device_stats from net_device.

From: Kulikov Vasiliy <[email protected]>
Date: Mon, 5 Jul 2010 16:13:36 +0400

> 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 <[email protected]>

Applied.