IL_CCK_FROM_OFDM_IDX_DIFF
base_power_idx + IL_CCK_FROM_OFDM_IDX_DIFF;
pwr_idx = pwr_info->power_table_idx + IL_CCK_FROM_OFDM_IDX_DIFF;
pwr_info->base_power_idx + IL_CCK_FROM_OFDM_IDX_DIFF;