IFH_LEN_BYTES
skb_pull(skb, IFH_LEN_BYTES);
if (xdpf->headroom < IFH_LEN_BYTES) {
ifh = xdpf->data - IFH_LEN_BYTES;
xdpf->data - IFH_LEN_BYTES,
xdpf->len + IFH_LEN_BYTES,
next_dcb_buf->len = xdpf->len + IFH_LEN_BYTES;
len + IFH_LEN_BYTES,
next_dcb_buf->len = len + IFH_LEN_BYTES;
needed_headroom = max_t(int, IFH_LEN_BYTES - skb_headroom(skb), 0);
skb_push(skb, IFH_LEN_BYTES);
memcpy(skb->data, ifh, IFH_LEN_BYTES);
IFH_LEN_BYTES +
u8 p = IFH_LEN_BYTES - (pos + i) / 8 - 1;
v = ifh[IFH_LEN_BYTES - (j / 8) - 1];
dev->needed_headroom = IFH_LEN_BYTES;
IFH_LEN_BYTES + XDP_PACKET_HEADROOM,
data_len - IFH_LEN_BYTES, false);
data_len - IFH_LEN_BYTES) ?