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authorMatt Carlson2011-08-31 11:44:49 +0000
committerDavid S. Miller2011-09-15 15:56:39 -0400
commit81389f57150ca84c9517a6ab2338f57badef4219 (patch)
tree96b3dfbbc953757b0d3b5cb6e0347cf92c1fd5a6 /drivers/net/ethernet/broadcom/tg3.c
parent7f23073515c83e8a7261462329b6f26f211126d7 (diff)
tg3: Remove tp->rx_offset term when unneeded
This patch removes the tp->rx_offset term if NET_IP_ALIGN is defined to zero. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 8bf9edd1a7fd..45715b18e7be 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -187,6 +187,12 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits)
#define TG3_RX_COPY_THRESH(tp) ((tp)->rx_copy_thresh)
#endif
+#if (NET_IP_ALIGN != 0)
+#define TG3_RX_OFFSET(tp) ((tp)->rx_offset)
+#else
+#define TG3_RX_OFFSET(tp) 0
+#endif
+
/* minimum number of free TX descriptors required to wake up TX process */
#define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
#define TG3_TX_BD_DMA_MAX 4096
@@ -4984,11 +4990,11 @@ static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
* Callers depend upon this behavior and assume that
* we leave everything unchanged if we fail.
*/
- skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
+ skb = netdev_alloc_skb(tp->dev, skb_size + TG3_RX_OFFSET(tp));
if (skb == NULL)
return -ENOMEM;
- skb_reserve(skb, tp->rx_offset);
+ skb_reserve(skb, TG3_RX_OFFSET(tp));
mapping = pci_map_single(tp->pdev, skb->data, skb_size,
PCI_DMA_FROMDEVICE);