diff options
author | Matteo Croce <technoboy85@gmail.com> | 2007-10-23 17:12:22 (GMT) |
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committer | Jeff Garzik <jeff@garzik.org> | 2007-10-24 00:18:12 (GMT) |
commit | 6cd043d99dcf5d252fcc682958541f449113f7b3 (patch) | |
tree | 6810ec9e3903b0efbe69be386cb4a37eb80ecaf2 /drivers/net/cpmac.c | |
parent | 02bae2129710018883f9536969de7e6acf9304ca (diff) | |
download | linux-fsl-qoriq-6cd043d99dcf5d252fcc682958541f449113f7b3.tar.xz |
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>
Diffstat (limited to 'drivers/net/cpmac.c')
-rw-r--r-- | 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; |