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Message-Id: <200804182050.m3IKodFN014827@imap1.linux-foundation.org>
Date: Fri, 18 Apr 2008 13:50:38 -0700
From: akpm@...ux-foundation.org
To: jeff@...zik.org
Cc: netdev@...r.kernel.org, akpm@...ux-foundation.org,
shemminger@...tta.com
Subject: [patch 3/9] sc92031: use net_device stats
From: Stephen Hemminger <shemminger@...tta.com>
Statistics structure is available for use in net_device structure. Compile
tested only.
Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---
drivers/net/sc92031.c | 70 +++++++++++++++++++---------------------
1 file changed, 34 insertions(+), 36 deletions(-)
diff -puN drivers/net/sc92031.c~sc92031-use-net_device-stats drivers/net/sc92031.c
--- a/drivers/net/sc92031.c~sc92031-use-net_device-stats
+++ a/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
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 n
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 n
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 n
|| 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;
}
@@ -818,11 +819,11 @@ static void _sc92031_rx_tasklet(struct n
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 n
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 lon
_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))
@@ -936,15 +935,14 @@ static struct net_device_stats *sc92031_
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)
@@ -959,7 +957,7 @@ static int sc92031_start_xmit(struct sk_
if (unlikely(skb->len > TX_BUF_SIZE)) {
err = -EMSGSIZE;
- priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
goto out;
}
@@ -967,7 +965,7 @@ static int sc92031_start_xmit(struct sk_
if (unlikely(!netif_carrier_ok(dev))) {
err = -ENOLINK;
- priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
goto out_unlock;
}
_
--
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