diff options
Diffstat (limited to 'drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h')
| -rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h index 546a862..4ea41d8 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h @@ -364,9 +364,13 @@ static inline unsigned int dpaa2_eth_buf_raw_size(struct dpaa2_eth_priv *priv) } static inline -unsigned int dpaa2_eth_needed_headroom(struct dpaa2_eth_priv *priv) +unsigned int dpaa2_eth_needed_headroom(struct dpaa2_eth_priv *priv, + struct sk_buff *skb) { - return priv->tx_data_offset + DPAA2_ETH_TX_BUF_ALIGN; + if (skb_is_nonlinear(skb)) + return 0; + + return DPAA2_ETH_SWA_SIZE + DPAA2_ETH_TX_BUF_ALIGN; } /* Extra headroom space requested to hardware, in order to make sure there's @@ -374,7 +378,8 @@ unsigned int dpaa2_eth_needed_headroom(struct dpaa2_eth_priv *priv) */ static inline unsigned int dpaa2_eth_rx_head_room(struct dpaa2_eth_priv *priv) { - return dpaa2_eth_needed_headroom(priv) - DPAA2_ETH_RX_HWA_SIZE; + return priv->tx_data_offset + DPAA2_ETH_TX_BUF_ALIGN - + DPAA2_ETH_RX_HWA_SIZE; } static int dpaa2_eth_queue_count(struct dpaa2_eth_priv *priv) |
