diff options
| -rw-r--r-- | drivers/net/gianfar.c | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index fccb7a3..746a776 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -2420,6 +2420,15 @@ static void gfar_timeout(struct net_device *dev) schedule_work(&priv->reset_task); } +static void gfar_align_skb(struct sk_buff *skb) +{ + /* We need the data buffer to be aligned properly. We will reserve + * as many bytes as needed to align the data properly + */ + skb_reserve(skb, RXBUF_ALIGNMENT - + (((unsigned long) skb->data) & (RXBUF_ALIGNMENT - 1))); +} + /* Interrupt Handler for Transmit complete */ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) { @@ -2504,9 +2513,10 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) */ if (skb_queue_len(&priv->rx_recycle) < rx_queue->rx_ring_size && skb_recycle_check(skb, priv->rx_buffer_size + - RXBUF_ALIGNMENT)) + RXBUF_ALIGNMENT)) { + gfar_align_skb(skb); __skb_queue_head(&priv->rx_recycle, skb); - else + } else dev_kfree_skb_any(skb); tx_queue->tx_skbuff[skb_dirtytx] = NULL; @@ -2569,29 +2579,28 @@ static void gfar_new_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp, gfar_init_rxbdp(rx_queue, bdp, buf); } - -struct sk_buff * gfar_new_skb(struct net_device *dev) +static struct sk_buff * gfar_alloc_skb(struct net_device *dev) { - unsigned int alignamount; struct gfar_private *priv = netdev_priv(dev); struct sk_buff *skb = NULL; - skb = __skb_dequeue(&priv->rx_recycle); - if (!skb) - skb = netdev_alloc_skb(dev, - priv->rx_buffer_size + RXBUF_ALIGNMENT); - + skb = netdev_alloc_skb(dev, priv->rx_buffer_size + RXBUF_ALIGNMENT); if (!skb) return NULL; - alignamount = RXBUF_ALIGNMENT - - (((unsigned long) skb->data) & (RXBUF_ALIGNMENT - 1)); + gfar_align_skb(skb); - /* We need the data buffer to be aligned properly. We will reserve - * as many bytes as needed to align the data properly - */ - skb_reserve(skb, alignamount); - GFAR_CB(skb)->alignamount = alignamount; + return skb; +} + +struct sk_buff * gfar_new_skb(struct net_device *dev) +{ + struct gfar_private *priv = netdev_priv(dev); + struct sk_buff *skb = NULL; + + skb = __skb_dequeue(&priv->rx_recycle); + if (!skb) + skb = gfar_alloc_skb(dev); return skb; } @@ -2744,17 +2753,8 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit) if (unlikely(!newskb)) newskb = skb; - else if (skb) { - /* - * 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_reserve(skb, -GFAR_CB(skb)->alignamount); + else if (skb) __skb_queue_head(&priv->rx_recycle, skb); - } } else { /* Increment the number of packets */ rx_queue->stats.rx_packets++; |