Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6cd043d99dcf5d252fcc682958541f449113f7b3
Commit:     6cd043d99dcf5d252fcc682958541f449113f7b3
Parent:     02bae2129710018883f9536969de7e6acf9304ca
Author:     Matteo Croce <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 23 19:12:22 2007 +0200
Committer:  Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Tue Oct 23 20:18:12 2007 -0400

    AR7 ethernet: small post-merge cleanups and fixes
    
    Signed-off-by: Matteo Croce <[EMAIL PROTECTED]>
    Signed-off-by: Eugene Konev <[EMAIL PROTECTED]>
    Signed-off-by: Felix Fietkau <[EMAIL PROTECTED]>
    Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
 drivers/net/cpmac.c |   31 ++++++++++++-------------------
 1 files changed, 12 insertions(+), 19 deletions(-)

diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index ae41973..57541d2 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -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)
@@ -646,12 +635,14 @@ 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;
-
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