[realtek] How to comfirm whether NAPI has been used?

[fly_2u]

Hi all,
I am developing a network program on an embedded device, which has been installed Linux2.6.23.1.  And I want to improve the rate of capturing packet according to use the NAPI.  But I don't know how to see whether the NAPI has been used in my driver.  Who can help me?  Thanks very much.
 
BR
Sam
 
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