DPAA2_ETH_TX_BUF_ALIGN
aligned_start = PTR_ALIGN(buffer_start, DPAA2_ETH_TX_BUF_ALIGN);
aligned_start = PTR_ALIGN(buffer_start - DPAA2_ETH_TX_BUF_ALIGN,
DPAA2_ETH_TX_BUF_ALIGN);
net_dev->needed_headroom = DPAA2_ETH_SWA_SIZE + DPAA2_ETH_TX_BUF_ALIGN;
sgt_buf = napi_alloc_frag_align(sgt_buf_size, DPAA2_ETH_TX_BUF_ALIGN);
unsigned int headroom = DPAA2_ETH_SWA_SIZE + DPAA2_ETH_TX_BUF_ALIGN;