diff options
| author | Christian Lamparter <chunkeey@gmail.com> | 2019-02-05 22:20:09 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-06 19:50:41 -0800 |
| commit | 22087d659212d2401f4caa602fd57160ff1e6222 (patch) | |
| tree | a47534e6f69bd93e8478ffff37fa4653afec0cca /drivers/net/ethernet/ibm/emac/core.h | |
| parent | a6e11f6bbd29a92d1357c2f3033a70fb1b767432 (diff) | |
net: emac: remove IBM_EMAC_RX_SKB_HEADROOM
The EMAC driver had a custom IBM_EMAC_RX_SKB_HEADROOM
Kconfig option that reserved additional skb headroom for RX.
This patch removes the option and migrates the code
to use napi_alloc_skb() and netdev_alloc_skb_ip_align()
in its place.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ibm/emac/core.h')
| -rw-r--r-- | drivers/net/ethernet/ibm/emac/core.h | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h index 84caa4a3fc52..187689cd8212 100644 --- a/drivers/net/ethernet/ibm/emac/core.h +++ b/drivers/net/ethernet/ibm/emac/core.h @@ -68,22 +68,18 @@ static inline int emac_rx_size(int mtu) return mal_rx_size(ETH_DATA_LEN + EMAC_MTU_OVERHEAD); } -#define EMAC_DMA_ALIGN(x) ALIGN((x), dma_get_cache_alignment()) - -#define EMAC_RX_SKB_HEADROOM \ - EMAC_DMA_ALIGN(CONFIG_IBM_EMAC_RX_SKB_HEADROOM) - /* Size of RX skb for the given MTU */ static inline int emac_rx_skb_size(int mtu) { int size = max(mtu + EMAC_MTU_OVERHEAD, emac_rx_size(mtu)); - return EMAC_DMA_ALIGN(size + 2) + EMAC_RX_SKB_HEADROOM; + + return SKB_DATA_ALIGN(size + NET_IP_ALIGN) + NET_SKB_PAD; } /* RX DMA sync size */ static inline int emac_rx_sync_size(int mtu) { - return EMAC_DMA_ALIGN(emac_rx_size(mtu) + 2); + return SKB_DATA_ALIGN(emac_rx_size(mtu) + NET_IP_ALIGN); } /* Driver statistcs is split into two parts to make it more cache friendly: |