SRS_IN_GLIST
ASSERT((mac_srs->srs_state & SRS_IN_GLIST) == 0);
mac_srs->srs_state |= SRS_IN_GLIST;
ASSERT((mac_srs->srs_state & SRS_IN_GLIST) != 0);
mac_srs->srs_state &= ~SRS_IN_GLIST;