DPAA2_ETH_SWA_SIZE
buf_layout.private_data_size = DPAA2_ETH_SWA_SIZE;
net_dev->needed_headroom = DPAA2_ETH_SWA_SIZE + DPAA2_ETH_TX_BUF_ALIGN;
return buf_addr + (swa ? DPAA2_ETH_SWA_SIZE : 0);
unsigned int headroom = DPAA2_ETH_SWA_SIZE + DPAA2_ETH_TX_BUF_ALIGN;