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Date: Mon, 5 Jul 2010 16:13:41 +0400
From: Kulikov Vasiliy <segooon@...il.com>
To: Kernel Janitors <kernel-janitors@...r.kernel.org>
Cc: "David S. Miller" <davem@...emloft.net>,
Joe Perches <joe@...ches.com>, Jiri Pirko <jpirko@...hat.com>,
Alexey Dobriyan <adobriyan@...il.com>,
Stephen Hemminger <shemminger@...tta.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] hamachi: 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 <segooon@...il.com>
---
drivers/net/hamachi.c | 63 ++++++++++++++++++++++++++++--------------------
1 files changed, 37 insertions(+), 26 deletions(-)
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index 61f2b1c..49aac70 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -492,7 +492,6 @@ struct hamachi_private {
struct sk_buff* tx_skbuff[TX_RING_SIZE];
dma_addr_t tx_ring_dma;
dma_addr_t rx_ring_dma;
- struct net_device_stats stats;
struct timer_list timer; /* Media selection timer. */
/* Frequently used and paired value: keep adjacent for cache effect. */
spinlock_t lock;
@@ -1036,7 +1035,7 @@ static inline int hamachi_tx(struct net_device *dev)
if (entry >= TX_RING_SIZE-1)
hmp->tx_ring[TX_RING_SIZE-1].status_n_length |=
cpu_to_le32(DescEndRing);
- hmp->stats.tx_packets++;
+ dev->stats.tx_packets++;
}
return 0;
@@ -1167,7 +1166,7 @@ static void hamachi_tx_timeout(struct net_device *dev)
/* Trigger an immediate transmit demand. */
dev->trans_start = jiffies; /* prevent tx timeout */
- hmp->stats.tx_errors++;
+ dev->stats.tx_errors++;
/* Restart the chip's Tx/Rx processes . */
writew(0x0002, ioaddr + TxCmd); /* STOP Tx */
@@ -1434,7 +1433,7 @@ static irqreturn_t hamachi_interrupt(int irq, void *dev_instance)
if (entry >= TX_RING_SIZE-1)
hmp->tx_ring[TX_RING_SIZE-1].status_n_length |=
cpu_to_le32(DescEndRing);
- hmp->stats.tx_packets++;
+ dev->stats.tx_packets++;
}
if (hmp->cur_tx - hmp->dirty_tx < TX_RING_SIZE - 4){
/* The ring is no longer full */
@@ -1525,18 +1524,22 @@ static int hamachi_rx(struct net_device *dev)
le32_to_cpu(hmp->rx_ring[(hmp->cur_rx+1) % RX_RING_SIZE].status_n_length) & 0xffff0000,
le32_to_cpu(hmp->rx_ring[(hmp->cur_rx+1) % RX_RING_SIZE].status_n_length) & 0x0000ffff,
le32_to_cpu(hmp->rx_ring[(hmp->cur_rx-1) % RX_RING_SIZE].status_n_length));
- hmp->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
} /* else Omit for prototype errata??? */
if (frame_status & 0x00380000) {
/* There was an error. */
if (hamachi_debug > 2)
printk(KERN_DEBUG " hamachi_rx() Rx error was %8.8x.\n",
frame_status);
- hmp->stats.rx_errors++;
- if (frame_status & 0x00600000) hmp->stats.rx_length_errors++;
- if (frame_status & 0x00080000) hmp->stats.rx_frame_errors++;
- if (frame_status & 0x00100000) hmp->stats.rx_crc_errors++;
- if (frame_status < 0) hmp->stats.rx_dropped++;
+ dev->stats.rx_errors++;
+ if (frame_status & 0x00600000)
+ dev->stats.rx_length_errors++;
+ if (frame_status & 0x00080000)
+ dev->stats.rx_frame_errors++;
+ if (frame_status & 0x00100000)
+ dev->stats.rx_crc_errors++;
+ if (frame_status < 0)
+ dev->stats.rx_dropped++;
} else {
struct sk_buff *skb;
/* Omit CRC */
@@ -1654,7 +1657,7 @@ static int hamachi_rx(struct net_device *dev)
#endif /* RX_CHECKSUM */
netif_rx(skb);
- hmp->stats.rx_packets++;
+ dev->stats.rx_packets++;
}
entry = (++hmp->cur_rx) % RX_RING_SIZE;
}
@@ -1724,9 +1727,9 @@ static void hamachi_error(struct net_device *dev, int intr_status)
dev->name, intr_status);
/* Hmmmmm, it's not clear how to recover from PCI faults. */
if (intr_status & (IntrTxPCIErr | IntrTxPCIFault))
- hmp->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
if (intr_status & (IntrRxPCIErr | IntrRxPCIFault))
- hmp->stats.rx_fifo_errors++;
+ dev->stats.rx_fifo_errors++;
}
static int hamachi_close(struct net_device *dev)
@@ -1828,19 +1831,27 @@ static struct net_device_stats *hamachi_get_stats(struct net_device *dev)
so I think I'll comment it out here and see if better things
happen.
*/
- /* hmp->stats.tx_packets = readl(ioaddr + 0x000); */
-
- hmp->stats.rx_bytes = readl(ioaddr + 0x330); /* Total Uni+Brd+Multi */
- hmp->stats.tx_bytes = readl(ioaddr + 0x3B0); /* Total Uni+Brd+Multi */
- hmp->stats.multicast = readl(ioaddr + 0x320); /* Multicast Rx */
-
- hmp->stats.rx_length_errors = readl(ioaddr + 0x368); /* Over+Undersized */
- hmp->stats.rx_over_errors = readl(ioaddr + 0x35C); /* Jabber */
- hmp->stats.rx_crc_errors = readl(ioaddr + 0x360); /* Jabber */
- hmp->stats.rx_frame_errors = readl(ioaddr + 0x364); /* Symbol Errs */
- hmp->stats.rx_missed_errors = readl(ioaddr + 0x36C); /* Dropped */
-
- return &hmp->stats;
+ /* dev->stats.tx_packets = readl(ioaddr + 0x000); */
+
+ /* Total Uni+Brd+Multi */
+ dev->stats.rx_bytes = readl(ioaddr + 0x330);
+ /* Total Uni+Brd+Multi */
+ dev->stats.tx_bytes = readl(ioaddr + 0x3B0);
+ /* Multicast Rx */
+ dev->stats.multicast = readl(ioaddr + 0x320);
+
+ /* Over+Undersized */
+ dev->stats.rx_length_errors = readl(ioaddr + 0x368);
+ /* Jabber */
+ dev->stats.rx_over_errors = readl(ioaddr + 0x35C);
+ /* Jabber */
+ dev->stats.rx_crc_errors = readl(ioaddr + 0x360);
+ /* Symbol Errs */
+ dev->stats.rx_frame_errors = readl(ioaddr + 0x364);
+ /* Dropped */
+ dev->stats.rx_missed_errors = readl(ioaddr + 0x36C);
+
+ return &dev->stats;
}
static void set_rx_mode(struct net_device *dev)
--
1.7.0.4
--
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