[PATCH] cs89x0: Use the instance of net_device_stats from net_device.

From: Kulikov Vasiliy
Date: Mon Jul 05 2010 - 08:13:29 EST


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 <segooon@xxxxxxxxx>
---
drivers/net/cs89x0.c | 66 +++++++++++++++++++++++++++----------------------
1 files changed, 36 insertions(+), 30 deletions(-)

diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 2ccb9f1..e3a7dca 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -218,7 +218,6 @@ static unsigned int net_debug = DEBUGGING;

/* Information that need to be kept for each board. */
struct net_local {
- struct net_device_stats stats;
int chip_type; /* one of: CS8900, CS8920, CS8920M */
char chip_revision; /* revision letter of the chip ('A'...) */
int send_cmd; /* the proper send command: TX_NOW, TX_AFTER_381, or TX_AFTER_ALL */
@@ -257,7 +256,7 @@ static void reset_chip(struct net_device *dev);
static int get_eeprom_data(struct net_device *dev, int off, int len, int *buffer);
static int get_eeprom_cksum(int off, int len, int *buffer);
static int set_mac_address(struct net_device *dev, void *addr);
-static void count_rx_errors(int status, struct net_local *lp);
+static void count_rx_errors(int status, struct net_device *dev);
#ifdef CONFIG_NET_POLL_CONTROLLER
static void net_poll_controller(struct net_device *dev);
#endif
@@ -983,7 +982,7 @@ dma_rx(struct net_device *dev)
dev->name, (unsigned long)bp, status, length);
}
if ((status & RX_OK) == 0) {
- count_rx_errors(status, lp);
+ count_rx_errors(status, dev);
goto skip_this_frame;
}

@@ -992,7 +991,7 @@ dma_rx(struct net_device *dev)
if (skb == NULL) {
if (net_debug) /* I don't think we want to do this to a stressed system */
printk("%s: Memory squeeze, dropping packet.\n", dev->name);
- lp->stats.rx_dropped++;
+ dev->stats.rx_dropped++;

/* AKPM: advance bp to the next frame */
skip_this_frame:
@@ -1022,8 +1021,8 @@ skip_this_frame:
}
skb->protocol=eth_type_trans(skb,dev);
netif_rx(skb);
- lp->stats.rx_packets++;
- lp->stats.rx_bytes += length;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += length;
}

#endif /* ALLOW_DMA */
@@ -1552,7 +1551,7 @@ static netdev_tx_t net_send_packet(struct sk_buff *skb,struct net_device *dev)
/* Write the contents of the packet */
writewords(dev->base_addr, TX_FRAME_PORT,skb->data,(skb->len+1) >>1);
spin_unlock_irqrestore(&lp->lock, flags);
- lp->stats.tx_bytes += skb->len;
+ dev->stats.tx_bytes += skb->len;
dev_kfree_skb (skb);

/*
@@ -1598,18 +1597,23 @@ static irqreturn_t net_interrupt(int irq, void *dev_id)
net_rx(dev);
break;
case ISQ_TRANSMITTER_EVENT:
- lp->stats.tx_packets++;
+ dev->stats.tx_packets++;
netif_wake_queue(dev); /* Inform upper layers. */
if ((status & ( TX_OK |
TX_LOST_CRS |
TX_SQE_ERROR |
TX_LATE_COL |
TX_16_COL)) != TX_OK) {
- if ((status & TX_OK) == 0) lp->stats.tx_errors++;
- if (status & TX_LOST_CRS) lp->stats.tx_carrier_errors++;
- if (status & TX_SQE_ERROR) lp->stats.tx_heartbeat_errors++;
- if (status & TX_LATE_COL) lp->stats.tx_window_errors++;
- if (status & TX_16_COL) lp->stats.tx_aborted_errors++;
+ if ((status & TX_OK) == 0)
+ dev->stats.tx_errors++;
+ if (status & TX_LOST_CRS)
+ dev->stats.tx_carrier_errors++;
+ if (status & TX_SQE_ERROR)
+ dev->stats.tx_heartbeat_errors++;
+ if (status & TX_LATE_COL)
+ dev->stats.tx_window_errors++;
+ if (status & TX_16_COL)
+ dev->stats.tx_aborted_errors++;
}
break;
case ISQ_BUFFER_EVENT:
@@ -1651,10 +1655,10 @@ static irqreturn_t net_interrupt(int irq, void *dev_id)
#endif
break;
case ISQ_RX_MISS_EVENT:
- lp->stats.rx_missed_errors += (status >>6);
+ dev->stats.rx_missed_errors += (status >> 6);
break;
case ISQ_TX_COL_EVENT:
- lp->stats.collisions += (status >>6);
+ dev->stats.collisions += (status >> 6);
break;
}
}
@@ -1662,22 +1666,24 @@ static irqreturn_t net_interrupt(int irq, void *dev_id)
}

static void
-count_rx_errors(int status, struct net_local *lp)
+count_rx_errors(int status, struct net_device *dev)
{
- lp->stats.rx_errors++;
- if (status & RX_RUNT) lp->stats.rx_length_errors++;
- if (status & RX_EXTRA_DATA) lp->stats.rx_length_errors++;
- if (status & RX_CRC_ERROR) if (!(status & (RX_EXTRA_DATA|RX_RUNT)))
+ dev->stats.rx_errors++;
+ if (status & RX_RUNT)
+ dev->stats.rx_length_errors++;
+ if (status & RX_EXTRA_DATA)
+ dev->stats.rx_length_errors++;
+ if ((status & RX_CRC_ERROR) && !(status & (RX_EXTRA_DATA|RX_RUNT)))
/* per str 172 */
- lp->stats.rx_crc_errors++;
- if (status & RX_DRIBBLE) lp->stats.rx_frame_errors++;
+ dev->stats.rx_crc_errors++;
+ if (status & RX_DRIBBLE)
+ dev->stats.rx_frame_errors++;
}

/* We have a good packet(s), get it/them out of the buffers. */
static void
net_rx(struct net_device *dev)
{
- struct net_local *lp = netdev_priv(dev);
struct sk_buff *skb;
int status, length;

@@ -1686,7 +1692,7 @@ net_rx(struct net_device *dev)
length = readword(ioaddr, RX_FRAME_PORT);

if ((status & RX_OK) == 0) {
- count_rx_errors(status, lp);
+ count_rx_errors(status, dev);
return;
}

@@ -1696,7 +1702,7 @@ net_rx(struct net_device *dev)
#if 0 /* Again, this seems a cruel thing to do */
printk(KERN_WARNING "%s: Memory squeeze, dropping packet.\n", dev->name);
#endif
- lp->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
return;
}
skb_reserve(skb, 2); /* longword align L3 header */
@@ -1713,8 +1719,8 @@ net_rx(struct net_device *dev)

skb->protocol=eth_type_trans(skb,dev);
netif_rx(skb);
- lp->stats.rx_packets++;
- lp->stats.rx_bytes += length;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += length;
}

#if ALLOW_DMA
@@ -1765,11 +1771,11 @@ net_get_stats(struct net_device *dev)

spin_lock_irqsave(&lp->lock, flags);
/* Update the statistics from the device registers. */
- lp->stats.rx_missed_errors += (readreg(dev, PP_RxMiss) >> 6);
- lp->stats.collisions += (readreg(dev, PP_TxCol) >> 6);
+ dev->stats.rx_missed_errors += (readreg(dev, PP_RxMiss) >> 6);
+ dev->stats.collisions += (readreg(dev, PP_TxCol) >> 6);
spin_unlock_irqrestore(&lp->lock, flags);

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

static void set_multicast_list(struct net_device *dev)
--
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/