ICE_GLOBR_REQ
test_bit(ICE_GLOBR_REQ, state);
set_bit(ICE_GLOBR_REQ, pf->state);
clear_bit(ICE_GLOBR_REQ, pf->state);
clear_bit(ICE_GLOBR_REQ, pf->state);
if (test_bit(ICE_GLOBR_REQ, pf->state))
set_bit(ICE_GLOBR_REQ, pf->state);