GROUP_SHIFT
#define GROUP_0 (0 << GROUP_SHIFT)
#define GROUP_1 (1 << GROUP_SHIFT)
#define GROUP_2 (2 << GROUP_SHIFT)
#define GROUP_3 (3 << GROUP_SHIFT)
GROUP_SHIFT(MCS_DURATION(_streams, _sgi, _ht40 ? 54 : 26))
GROUP_SHIFT(MCS_DURATION(_streams, _sgi, \
GROUP_SHIFT(HE_DURATION(_streams, _gi, \
GROUP_SHIFT(EHT_DURATION(_streams, _gi, \
GROUP_SHIFT(MCS_DURATION(_streams, _sgi, \
GROUP_SHIFT(CCK_DURATION(10, false))
GROUP_SHIFT(OFDM_DURATION(60))
GROUP_SHIFT(MCS_DURATION(_streams, _sgi, _ht40 ? 54 : 26))