CFG_DATA_OFF
se->Address = htole32(req->req_pbuf + CFG_DATA_OFF);
memcpy(hdr, (char *)req->req_vbuf + CFG_DATA_OFF, amt);
se->Address = htole32(req->req_pbuf + CFG_DATA_OFF);
memcpy((char *)req->req_vbuf + CFG_DATA_OFF, hdr, amt);