Re: Entirely ignoring TCP and UDP checksum in kernel level

[Kalin KOZHUHAROV]

Josan Kadett wrote:
> Here is the very original linux-kernel mailing list, and if I cannot find an
> answer here, then nowhere on earth can this answer be found. I also saw some
> other messages regarding the same issue on the net. None of them is answered
> correctly; and also as if this is a very "forbidden" thing to disable the
> checksums, most replies are as if they are "unbreakable rules of god".
> Really, I am losing my patience with this. It is also very odd to write a
> low-level application in order to just disable a "feature" of the kernel to
> deal with a faulty piece of embedded firmware.

OK, try this, not tested:

replace the return statements with "return 0;" in:

net/ipv4/udp.c, function __udp_checksum_complete, about line 759
net/ipv4/icp_input.c, function __tcp_checksum_complete_user, about line 4070

* line numbers above are for linux-2.6.7

Kalin.

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