qm_fd_get_length
qm_fd_get_offset(fd) + qm_fd_get_length(fd),
skb_put(skb, qm_fd_get_length(fd));
percpu_stats->tx_bytes += qm_fd_get_length(fd);
qm_fd_get_offset(&fd) + qm_fd_get_length(&fd),
XDP_PACKET_HEADROOM, qm_fd_get_length(fd), true);
percpu_stats->rx_bytes += qm_fd_get_length(fd);
__entry->fd_length = qm_fd_get_length(fd);
len = qm_fd_get_length(fd);