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<div dir="ltr"><font color="#000000" size="2" face="Tahoma">hi</font></div>
<div dir="ltr"><font size="2" face="tahoma">now I am using sw to calculate the tcp checksum, is there CPU(nehalem) instruction or NIC /kernel API to do such thing?</font></div>
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<div dir="ltr"><font size="2" face="tahoma">thanks a lot</font></div>
<div dir="ltr"><font size="2" face="tahoma">jon</font></div>
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<div dir="ltr"><font size="2" face="tahoma"> </font></div>
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