Messages in this thread | | | From | (Alan Cox) | Subject | Re: Mark Russinovich's reponse Was: [OT] Comments to WinNT Mag !! (fwd) | Date | Fri, 7 May 1999 14:48:45 +0100 (BST) |
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> Could someone please clue me in on how this works? I don't understand > how we can do zero copy without hardware checksumming... and in the
You can't
> cases we do, surely the overhead of twiddling this hardware is > comparable to copying 1500 bytes of data? (For HIPPI I can see it
Actually you generally get it for free. IP checksum silicon isnt hard
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