let dst = adata.get_data_mut().unwrap();
for (input, output) in pktbuf.chunks(FRAME_SIZE).zip(dst.chunks_mut(NBLOCKS * BLOCKSIZE)) {
let dst = adata.get_data_mut().unwrap();
for (input, output) in pktbuf.chunks(FRAME_SIZE).zip(dst.chunks_mut(NBLOCKS * BLOCKSIZE)) {