HWP_HXS_SSA
bus_write_4(sc->sc_mem, HWP_HXS_SSA(i), 0);
bus_write_4(sc->sc_mem, HWP_HXS_SSA(HWP_HXS_TCP), HXS_SH_PAD_REM);
bus_write_4(sc->sc_mem, HWP_HXS_SSA(HWP_HXS_UDP), HXS_SH_PAD_REM);