PORT100_FRAME_HEADER_LEN 800 drivers/nfc/port100.c skb_push(skb, PORT100_FRAME_HEADER_LEN); PORT100_FRAME_HEADER_LEN 828 drivers/nfc/port100.c skb_pull(resp, PORT100_FRAME_HEADER_LEN); PORT100_FRAME_HEADER_LEN 845 drivers/nfc/port100.c int resp_len = PORT100_FRAME_HEADER_LEN + PORT100_FRAME_HEADER_LEN 1544 drivers/nfc/port100.c dev->skb_headroom = PORT100_FRAME_HEADER_LEN +