YOSHIFUJI Hideaki / 吉藤英明 wrote:
In article <[email protected]> (at Wed, 21 Nov 2007 07:45:32 -0500), Jeff Garzik <[email protected]> says:
SO_NO_CHECK support for IPv6 appeared to be missing. This is presented,
based on a reading of net/ipv4/udp.c.
Disagree. UDP checksum is mandatory in IPv6.
Ah, you mean that I need to turn off UDP checksum on receive end as well
in IPv6... true.
For those interested, I am dealing with a UDP app that already does very
strong checksumming and encryption, so additional software checksumming
at the lower layers is quite simply a waste of CPU cycles. Hardware
checksumming is fine, as long as its "free."
Jeff
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