le32enc
le32enc(&rfa->link_addr, 0xffffffff);
le32enc(&rfa->rbd_addr, 0xffffffff);
le32enc(&p_rfa->link_addr, rxp->rx_addr);
le32enc(&rfa->link_addr, 0xffffffff);
le32enc(&rfa->rbd_addr, 0xffffffff);
#define putulong(p, v) le32enc(p, v)
le32enc(p, u & 0xffffffff);
le32enc(p + 4, u >> 32);
le32enc(frm, v); \
le32enc(mc->mc_seq, ms->ms_seq);