[Bug 285837] rtwn with RTL8821AU and h/w checksum offload seems to treat 0 for IPv4+UDP as invalid
Date: Tue, 01 Apr 2025 21:09:18 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285837
Adrian Chadd <adrian@freebsd.org> changed:
What |Removed |Added
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CC| |adrian@freebsd.org
--- Comment #2 from Adrian Chadd <adrian@freebsd.org> ---
the RTL8812AU/RTL8821AU adds the TCP/UDP checksum offloading. The earlier NICs
don't have it.
In any case it looks like we SHOULD be able to just make the checksum check
function return 0 on checksum failure and let the IP stack sort it out.
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