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Optimization #3734
openaf-packet: better support for csum offload
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Description
AF_PACKET can indicate that a csum was considered valid which we can use to skip checking outselves.
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Added by Victor Julien over 5 years ago. Updated 10 months ago.
Description
AF_PACKET can indicate that a csum was considered valid which we can use to skip checking outselves.
This is turning out to be more complex than originally anticipated. The flag that the kernel sets is not always reliable, which seems to depend on what driver is in use.