ptr = (caddr_t)&mp_softc[unit].ms_cbuf[port][mp->mp_nextrcv][0];
ev->ev_un.rcvblk = (u_char *)vtoph(0, ptr);
ev->ev_params = (caddr_t) vtoph(0, ptr);
ptr = (caddr_t)&mp_softc[unit].ms_cbuf[port][mp->mp_nextrcv][0];
ev->ev_un.rcvblk = (u_char *)vtoph(0, ptr);
ev->ev_params = (caddr_t) vtoph(0, ptr);