MVPP2_SKB_HEADROOM
#define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + MVPP2_SKB_HEADROOM)
((total_size) - MVPP2_SKB_HEADROOM - MVPP2_SKB_SHINFO_SIZE)
#define MVPP2_MAX_RX_BUF_SIZE (PAGE_SIZE - MVPP2_SKB_SHINFO_SIZE - MVPP2_SKB_HEADROOM)
.offset = MVPP2_SKB_HEADROOM,
mvpp2_rxq_offset_set(port, rxq->id, MVPP2_SKB_HEADROOM);
len = xdp->data_end - xdp->data_hard_start - MVPP2_SKB_HEADROOM;
sync = xdp->data_end - xdp->data_hard_start - MVPP2_SKB_HEADROOM;
rx_offset = MVPP2_MH_SIZE + MVPP2_SKB_HEADROOM;
MVPP2_SKB_HEADROOM,
prefetch(data + MVPP2_MH_SIZE + MVPP2_SKB_HEADROOM);
MVPP2_MH_SIZE + MVPP2_SKB_HEADROOM,
MVPP2_SKB_HEADROOM);