Messages in this thread | | | Date | Wed, 2 Apr 2003 15:36:53 -0500 | From | Jeff Garzik <> | Subject | Re: Deactivating TCP checksumming |
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On Wed, Apr 02, 2003 at 02:22:59PM -0500, Dennis Cook wrote: > Using RH Linux kernel 2.4.18, setting "features" bit NETIF_F_IP_CSUM does > not appear > to keep a valid IP checksum from being computed in packets presented to my > driver > for transmission. So having HW compute outgoing checksum buys nothing.
You are not using sendfile(2), which is required to activate h/w csum.
Jeff
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