diff options
| author |   Matt Carlson <mcarlson@broadcom.com> | 2011-08-31 11:44:49 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-09-15 15:56:39 -0400 |
| commit | 81389f57150ca84c9517a6ab2338f57badef4219 (patch) | |
| tree | 96b3dfbbc953757b0d3b5cb6e0347cf92c1fd5a6 /drivers/net/ethernet/broadcom/tg3.c | |
| parent | tg3: Fix missed MSI workaround (diff) | |
| download | linux-dev-81389f57150ca84c9517a6ab2338f57badef4219.tar.xz linux-dev-81389f57150ca84c9517a6ab2338f57badef4219.zip | |
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.c | 10 |
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); |