Re: [PATCH net-next] sfc: use ALIGN macro for aligning frame sizes

From: Bert Kenward
Date: Tue Dec 01 2015 - 07:09:05 EST


On 30/11/15 22:12, Jarod Wilson wrote:
> Don't open-code it.
>
> CC: Solarflare linux maintainers <linux-net-drivers@xxxxxxxxxxxxxx>
> CC: Shradha Shah <sshah@xxxxxxxxxxxxxx>
> CC: netdev@xxxxxxxxxxxxxxx
> Signed-off-by: Jarod Wilson <jarod@xxxxxxxxxx>

Acked-by: Bert Kenward <bkenward@xxxxxxxxxxxxxx>

> ---
> drivers/net/ethernet/sfc/net_driver.h | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
> index a8ddd12..746d591 100644
> --- a/drivers/net/ethernet/sfc/net_driver.h
> +++ b/drivers/net/ethernet/sfc/net_driver.h
> @@ -1502,8 +1502,9 @@ static inline struct efx_rx_buffer *efx_rx_buffer(struct efx_rx_queue *rx_queue,
> * same cycle, the XMAC can miss the IPG altogether. We work around
> * this by adding a further 16 bytes.
> */
> +#define EFX_FRAME_PAD 16
> #define EFX_MAX_FRAME_LEN(mtu) \
> - ((((mtu) + ETH_HLEN + VLAN_HLEN + 4/* FCS */ + 7) & ~7) + 16)
> + (ALIGN(((mtu) + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN + EFX_FRAME_PAD), 8))
>
> static inline bool efx_xmit_with_hwtstamp(struct sk_buff *skb)
> {
>
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