[NET] drivers/net: statistics cleanup #1 -- save memory and shrink code
We now have struct net_device_stats embedded in struct net_device,
and the default ->get_stats() hook does the obvious thing for us.
Run through drivers/net/* and remove the driver-local storage of
statistics, and driver-local ->get_stats() hook where applicable.
This was just the low-hanging fruit in drivers/net; plenty more drivers
remain to be updated.
[ Resolved conflicts with napi_struct changes and fix sunqe build
regression... -DaveM ]
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 002f8ba..5a1a116 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -116,7 +116,6 @@
static void gfar_timeout(struct net_device *dev);
static int gfar_close(struct net_device *dev);
struct sk_buff *gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp);
-static struct net_device_stats *gfar_get_stats(struct net_device *dev);
static int gfar_set_mac_address(struct net_device *dev);
static int gfar_change_mtu(struct net_device *dev, int new_mtu);
static irqreturn_t gfar_error(int irq, void *dev_id);
@@ -266,7 +265,6 @@
dev->poll_controller = gfar_netpoll;
#endif
dev->stop = gfar_close;
- dev->get_stats = gfar_get_stats;
dev->change_mtu = gfar_change_mtu;
dev->mtu = 1500;
dev->set_multicast_list = gfar_set_multi;
@@ -1013,7 +1011,7 @@
unsigned long flags;
/* Update transmit stats */
- priv->stats.tx_bytes += skb->len;
+ dev->stats.tx_bytes += skb->len;
/* Lock priv now */
spin_lock_irqsave(&priv->txlock, flags);
@@ -1086,7 +1084,7 @@
if (txbdp == priv->dirty_tx) {
netif_stop_queue(dev);
- priv->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
}
/* Update the current txbd to the next one */
@@ -1119,14 +1117,6 @@
return 0;
}
-/* returns a net_device_stats structure pointer */
-static struct net_device_stats * gfar_get_stats(struct net_device *dev)
-{
- struct gfar_private *priv = netdev_priv(dev);
-
- return &(priv->stats);
-}
-
/* Changes the mac address if the controller is not running. */
int gfar_set_mac_address(struct net_device *dev)
{
@@ -1238,7 +1228,7 @@
{
struct gfar_private *priv = netdev_priv(dev);
- priv->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (dev->flags & IFF_UP) {
stop_gfar(dev);
@@ -1268,12 +1258,12 @@
if ((bdp == priv->cur_tx) && (netif_queue_stopped(dev) == 0))
break;
- priv->stats.tx_packets++;
+ dev->stats.tx_packets++;
/* Deferred means some collisions occurred during transmit, */
/* but we eventually sent the packet. */
if (bdp->status & TXBD_DEF)
- priv->stats.collisions++;
+ dev->stats.collisions++;
/* Free the sk buffer associated with this TxBD */
dev_kfree_skb_irq(priv->tx_skbuff[priv->skb_dirtytx]);
@@ -1345,7 +1335,7 @@
static inline void count_errors(unsigned short status, struct gfar_private *priv)
{
- struct net_device_stats *stats = &priv->stats;
+ struct net_device_stats *stats = &dev->stats;
struct gfar_extra_stats *estats = &priv->extra_stats;
/* If the packet was truncated, none of the other errors
@@ -1470,7 +1460,7 @@
if (NULL == skb) {
if (netif_msg_rx_err(priv))
printk(KERN_WARNING "%s: Missing skb!!.\n", dev->name);
- priv->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
priv->extra_stats.rx_skbmissing++;
} else {
int ret;
@@ -1528,7 +1518,7 @@
(RXBD_LARGE | RXBD_SHORT | RXBD_NONOCTET
| RXBD_CRCERR | RXBD_OVERRUN | RXBD_TRUNCATED))) {
/* Increment the number of packets */
- priv->stats.rx_packets++;
+ dev->stats.rx_packets++;
howmany++;
/* Remove the FCS from the packet length */
@@ -1536,7 +1526,7 @@
gfar_process_frame(dev, skb, pkt_len);
- priv->stats.rx_bytes += pkt_len;
+ dev->stats.rx_bytes += pkt_len;
} else {
count_errors(bdp->status, priv);
@@ -1916,17 +1906,17 @@
/* Update the error counters */
if (events & IEVENT_TXE) {
- priv->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (events & IEVENT_LC)
- priv->stats.tx_window_errors++;
+ dev->stats.tx_window_errors++;
if (events & IEVENT_CRL)
- priv->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
if (events & IEVENT_XFUN) {
if (netif_msg_tx_err(priv))
printk(KERN_DEBUG "%s: TX FIFO underrun, "
"packet dropped.\n", dev->name);
- priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
priv->extra_stats.tx_underrun++;
/* Reactivate the Tx Queues */
@@ -1936,7 +1926,7 @@
printk(KERN_DEBUG "%s: Transmit Error\n", dev->name);
}
if (events & IEVENT_BSY) {
- priv->stats.rx_errors++;
+ dev->stats.rx_errors++;
priv->extra_stats.rx_bsy++;
gfar_receive(irq, dev_id);
@@ -1951,7 +1941,7 @@
dev->name, gfar_read(&priv->regs->rstat));
}
if (events & IEVENT_BABR) {
- priv->stats.rx_errors++;
+ dev->stats.rx_errors++;
priv->extra_stats.rx_babr++;
if (netif_msg_rx_err(priv))