nf_bb_desc
outbuf = (uint8_t *) send->buf_addr + sizeof(struct nf_bb_desc);
sizeof(struct nf_bb_desc);
struct nf_bb_desc *bouncebuf = (struct nf_bb_desc *) p->buf_addr;
bouncebuf->lower = (p->buf_hw_addr + sizeof(struct nf_bb_desc));
bouncebuf->upper = (p->buf_hw_addr + sizeof(struct nf_bb_desc)) >> 32;
sizeof(struct nf_bb_desc));
sizeof(struct nf_bb_desc));