M_PWR_SAV
(m->m_flags & M_PWR_SAV) == 0) {
(m->m_flags & M_PWR_SAV) == 0) {
pri = ((m0->m_flags & M_PWR_SAV) != 0) ? RTW_TXPRIHI : RTW_TXPRIMD;
(m0->m_flags & M_PWR_SAV) == 0) {
m->m_flags |= M_PWR_SAV; /* bypass PS handling */