rs_get_supported_rates
rate_mask = rs_get_supported_rates(lq_sta, hdr, tbl->lq_type);
rate_mask = rs_get_supported_rates(lq_sta, NULL, tbl->lq_type);
return BIT(rate->index) & rs_get_supported_rates(lq_sta, rate);
rate_mask = rs_get_supported_rates(lq_sta, rate);
rate_mask = rs_get_supported_rates(lq_sta, rate);