diff options
Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r-- | drivers/net/gianfar.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 61a7b4351e78..080d1cea5b26 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -676,7 +676,7 @@ static int gfar_of_init(struct of_device *ofdev, struct net_device **pdev) priv->rx_queue[i] = NULL; for (i = 0; i < priv->num_tx_queues; i++) { - priv->tx_queue[i] = (struct gfar_priv_tx_q *)kmalloc( + priv->tx_queue[i] = (struct gfar_priv_tx_q *)kzalloc( sizeof (struct gfar_priv_tx_q), GFP_KERNEL); if (!priv->tx_queue[i]) { err = -ENOMEM; @@ -689,7 +689,7 @@ static int gfar_of_init(struct of_device *ofdev, struct net_device **pdev) } for (i = 0; i < priv->num_rx_queues; i++) { - priv->rx_queue[i] = (struct gfar_priv_rx_q *)kmalloc( + priv->rx_queue[i] = (struct gfar_priv_rx_q *)kzalloc( sizeof (struct gfar_priv_rx_q), GFP_KERNEL); if (!priv->rx_queue[i]) { err = -ENOMEM; @@ -1120,10 +1120,10 @@ static int gfar_probe(struct of_device *ofdev, /* provided which set of benchmarks. */ printk(KERN_INFO "%s: Running with NAPI enabled\n", dev->name); for (i = 0; i < priv->num_rx_queues; i++) - printk(KERN_INFO "%s: :RX BD ring size for Q[%d]: %d\n", + printk(KERN_INFO "%s: RX BD ring size for Q[%d]: %d\n", dev->name, i, priv->rx_queue[i]->rx_ring_size); for(i = 0; i < priv->num_tx_queues; i++) - printk(KERN_INFO "%s:TX BD ring size for Q[%d]: %d\n", + printk(KERN_INFO "%s: TX BD ring size for Q[%d]: %d\n", dev->name, i, priv->tx_queue[i]->tx_ring_size); return 0; @@ -1638,13 +1638,13 @@ static void free_skb_resources(struct gfar_private *priv) /* Go through all the buffer descriptors and free their data buffers */ for (i = 0; i < priv->num_tx_queues; i++) { tx_queue = priv->tx_queue[i]; - if(!tx_queue->tx_skbuff) + if(tx_queue->tx_skbuff) free_skb_tx_queue(tx_queue); } for (i = 0; i < priv->num_rx_queues; i++) { rx_queue = priv->rx_queue[i]; - if(!rx_queue->rx_skbuff) + if(rx_queue->rx_skbuff) free_skb_rx_queue(rx_queue); } @@ -2021,7 +2021,6 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) } /* setup the TxBD length and buffer pointer for the first BD */ - tx_queue->tx_skbuff[tx_queue->skb_curtx] = skb; txbdp_start->bufPtr = dma_map_single(&priv->ofdev->dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE); @@ -2053,6 +2052,10 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) txbdp_start->lstatus = lstatus; + eieio(); /* force lstatus write before tx_skbuff */ + + tx_queue->tx_skbuff[tx_queue->skb_curtx] = skb; + /* Update the current skb pointer to the next entry we will use * (wrapping if necessary) */ tx_queue->skb_curtx = (tx_queue->skb_curtx + 1) & @@ -2390,6 +2393,7 @@ struct sk_buff * gfar_new_skb(struct net_device *dev) * as many bytes as needed to align the data properly */ skb_reserve(skb, alignamount); + GFAR_CB(skb)->alignamount = alignamount; return skb; } @@ -2530,13 +2534,13 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit) newskb = skb; else if (skb) { /* - * We need to reset ->data to what it + * We need to un-reserve() the skb to what it * was before gfar_new_skb() re-aligned * it to an RXBUF_ALIGNMENT boundary * before we put the skb back on the * recycle list. */ - skb->data = skb->head + NET_SKB_PAD; + skb_reserve(skb, -GFAR_CB(skb)->alignamount); __skb_queue_head(&priv->rx_recycle, skb); } } else { |