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Subject[patch 02/29] ariadne: use netstats in net_device structure
From: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>

Use net_device_stats from net_device structure instead of local.

Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
drivers/net/ariadne.c | 47 ++++++++++++++++++++++-------------------------
1 file changed, 22 insertions(+), 25 deletions(-)

--- a/drivers/net/ariadne.c
+++ b/drivers/net/ariadne.c
@@ -98,7 +98,6 @@ struct ariadne_private {
volatile u_short *rx_buff[RX_RING_SIZE];
int cur_tx, cur_rx; /* The next free ring entry */
int dirty_tx; /* The ring entries to be free()ed. */
- struct net_device_stats stats;
char tx_full;
};

@@ -378,20 +377,19 @@ static void ariadne_init_ring(struct net

static int ariadne_close(struct net_device *dev)
{
- struct ariadne_private *priv = netdev_priv(dev);
volatile struct Am79C960 *lance = (struct Am79C960*)dev->base_addr;

netif_stop_queue(dev);

lance->RAP = CSR112; /* Missed Frame Count */
- priv->stats.rx_missed_errors = swapw(lance->RDP);
+ dev->stats.rx_missed_errors = swapw(lance->RDP);
lance->RAP = CSR0; /* PCnet-ISA Controller Status */

if (ariadne_debug > 1) {
printk(KERN_DEBUG "%s: Shutting down ethercard, status was %2.2x.\n",
dev->name, lance->RDP);
printk(KERN_DEBUG "%s: %lu packets missed\n", dev->name,
- priv->stats.rx_missed_errors);
+ dev->stats.rx_missed_errors);
}

/* We stop the LANCE here -- it occasionally polls memory if we don't. */
@@ -502,16 +500,16 @@ static irqreturn_t ariadne_interrupt(int
if (status & TF_ERR) {
/* There was an major error, log it. */
int err_status = priv->tx_ring[entry]->TMD3;
- priv->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (err_status & EF_RTRY)
- priv->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
if (err_status & EF_LCAR)
- priv->stats.tx_carrier_errors++;
+ dev->stats.tx_carrier_errors++;
if (err_status & EF_LCOL)
- priv->stats.tx_window_errors++;
+ dev->stats.tx_window_errors++;
if (err_status & EF_UFLO) {
/* Ackk! On FIFO errors the Tx unit is turned off! */
- priv->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
/* Remove this verbosity later! */
printk(KERN_ERR "%s: Tx FIFO error! Status %4.4x.\n",
dev->name, csr0);
@@ -520,8 +518,8 @@ static irqreturn_t ariadne_interrupt(int
}
} else {
if (status & (TF_MORE|TF_ONE))
- priv->stats.collisions++;
- priv->stats.tx_packets++;
+ dev->stats.collisions++;
+ dev->stats.tx_packets++;
}
dirty_tx++;
}
@@ -547,11 +545,11 @@ static irqreturn_t ariadne_interrupt(int
/* Log misc errors. */
if (csr0 & BABL) {
handled = 1;
- priv->stats.tx_errors++; /* Tx babble. */
+ dev->stats.tx_errors++; /* Tx babble. */
}
if (csr0 & MISS) {
handled = 1;
- priv->stats.rx_errors++; /* Missed a Rx frame. */
+ dev->stats.rx_errors++; /* Missed a Rx frame. */
}
if (csr0 & MERR) {
handled = 1;
@@ -672,7 +670,7 @@ static int ariadne_start_xmit(struct sk_
priv->cur_tx -= TX_RING_SIZE;
priv->dirty_tx -= TX_RING_SIZE;
}
- priv->stats.tx_bytes += len;
+ dev->stats.tx_bytes += len;

/* Trigger an immediate send poll. */
lance->RAP = CSR0; /* PCnet-ISA Controller Status */
@@ -707,15 +705,15 @@ static int ariadne_rx(struct net_device
buffers, with only the last correctly noting the error. */
if (status & RF_ENP)
/* Only count a general error at the end of a packet.*/
- priv->stats.rx_errors++;
+ dev->stats.rx_errors++;
if (status & RF_FRAM)
- priv->stats.rx_frame_errors++;
+ dev->stats.rx_frame_errors++;
if (status & RF_OFLO)
- priv->stats.rx_over_errors++;
+ dev->stats.rx_over_errors++;
if (status & RF_CRC)
- priv->stats.rx_crc_errors++;
+ dev->stats.rx_crc_errors++;
if (status & RF_BUFF)
- priv->stats.rx_fifo_errors++;
+ dev->stats.rx_fifo_errors++;
priv->rx_ring[entry]->RMD1 &= 0xff00|RF_STP|RF_ENP;
} else {
/* Malloc up new buffer, compatible with net-3. */
@@ -731,7 +729,7 @@ static int ariadne_rx(struct net_device
break;

if (i > RX_RING_SIZE-2) {
- priv->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
priv->rx_ring[entry]->RMD1 |= RF_OWN;
priv->cur_rx++;
}
@@ -764,8 +762,8 @@ static int ariadne_rx(struct net_device

netif_rx(skb);
dev->last_rx = jiffies;
- priv->stats.rx_packets++;
- priv->stats.rx_bytes += pkt_len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pkt_len;
}

priv->rx_ring[entry]->RMD1 |= RF_OWN;
@@ -783,7 +781,6 @@ static int ariadne_rx(struct net_device

static struct net_device_stats *ariadne_get_stats(struct net_device *dev)
{
- struct ariadne_private *priv = netdev_priv(dev);
volatile struct Am79C960 *lance = (struct Am79C960*)dev->base_addr;
short saved_addr;
unsigned long flags;
@@ -791,11 +788,11 @@ static struct net_device_stats *ariadne_
local_irq_save(flags);
saved_addr = lance->RAP;
lance->RAP = CSR112; /* Missed Frame Count */
- priv->stats.rx_missed_errors = swapw(lance->RDP);
+ dev->stats.rx_missed_errors = swapw(lance->RDP);
lance->RAP = saved_addr;
local_irq_restore(flags);

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


--
Gr{oetje,eeting}s,
Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds



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