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Re: comprehensive test/verification of NIC checksum offload hardware

Erik Fair <> writes:

> Do we have any tests in our test suite to verify the correctness of
> IP/TCP/UDP checksum offloading hardware in the various Ethernet NICs
> (e.g. wm, bge, gem, hme)?

Probably not.  All of the tests in /usr/tests can be run on one machine,
either interacting with the host kernel, or testing interactions among
multiple rump kernels.  The kind of tests you describe of course have to
use hardware, and thus (I think) multiple real machines.  It should be
possible to look over the tests and add variants that require a second
machine, but I'm not aware of anyone doing that.

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