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AR7 ethernet: small post-merge cleanups and fixes 

Signed-off-by: Matteo Croce <technoboy85@gmail.com>
Signed-off-by: Eugene Konev <ejka@imfi.kspu.ru>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Matteo Croce 2007-10-23 19:12:22 +02:00 committed by Jeff Garzik
parent 02bae21297
commit 6cd043d99d
1 changed files with 12 additions and 19 deletions
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31
drivers/net/cpmac.c
View File

@ -460,18 +460,11 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct cpmac_desc *desc;
struct cpmac_priv *priv = netdev_priv(dev);
if (unlikely(skb_padto(skb, ETH_ZLEN))) {
if (netif_msg_tx_err(priv) && net_ratelimit())
printk(KERN_WARNING
"%s: tx: padding failed, dropping\n", dev->name);
spin_lock(&priv->lock);
dev->stats.tx_dropped++;
spin_unlock(&priv->lock);
return -ENOMEM;
}
if (unlikely(skb_padto(skb, ETH_ZLEN)))
return NETDEV_TX_OK;
len = max(skb->len, ETH_ZLEN);
queue = skb_get_queue_mapping(skb);
queue = skb->queue_mapping;
#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netif_stop_subqueue(dev, queue);
#else
@ -481,13 +474,9 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
desc = &priv->desc_ring[queue];
if (unlikely(desc->dataflags & CPMAC_OWN)) {
if (netif_msg_tx_err(priv) && net_ratelimit())
printk(KERN_WARNING "%s: tx dma ring full, dropping\n",
printk(KERN_WARNING "%s: tx dma ring full\n",
dev->name);
spin_lock(&priv->lock);
dev->stats.tx_dropped++;
spin_unlock(&priv->lock);
dev_kfree_skb_any(skb);
return -ENOMEM;
return NETDEV_TX_BUSY;
}
spin_lock(&priv->lock);
@ -509,7 +498,7 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
cpmac_dump_skb(dev, skb);
cpmac_write(priv->regs, CPMAC_TX_PTR(queue), (u32)desc->mapping);
return 0;
return NETDEV_TX_OK;
}
static void cpmac_end_xmit(struct net_device *dev, int queue)
@ -646,13 +635,15 @@ static void cpmac_clear_tx(struct net_device *dev)
int i;
if (unlikely(!priv->desc_ring))
return;
for (i = 0; i < CPMAC_QUEUES; i++)
for (i = 0; i < CPMAC_QUEUES; i++) {
priv->desc_ring[i].dataflags = 0;
if (priv->desc_ring[i].skb) {
dev_kfree_skb_any(priv->desc_ring[i].skb);
if (netif_subqueue_stopped(dev, i))
netif_wake_subqueue(dev, i);
}
}
}
static void cpmac_hw_error(struct work_struct *work)
{
@ -727,11 +718,13 @@ static void cpmac_tx_timeout(struct net_device *dev)
#ifdef CONFIG_NETDEVICES_MULTIQUEUE
for (i = 0; i < CPMAC_QUEUES; i++)
if (priv->desc_ring[i].skb) {
priv->desc_ring[i].dataflags = 0;
dev_kfree_skb_any(priv->desc_ring[i].skb);
netif_wake_subqueue(dev, i);
break;
}
#else
priv->desc_ring[0].dataflags = 0;
if (priv->desc_ring[0].skb)
dev_kfree_skb_any(priv->desc_ring[0].skb);
netif_wake_queue(dev);
@ -794,7 +787,7 @@ static int cpmac_set_ringparam(struct net_device *dev, struct ethtool_ringparam*
{
struct cpmac_priv *priv = netdev_priv(dev);
if (dev->flags && IFF_UP)
if (netif_running(dev))
return -EBUSY;
priv->ring_size = ring->rx_pending;
return 0;