On 06/16/2016 03:57 PM, Derek Ditch wrote:
[...]
Begin forwarded message:
From: bugzilla-dae...@bugzilla.kernel.org
Subject: [Bug 120441] af_packet no longer uses symmetric hashing
Date: June 16, 2016 at 07:35:54 -0500
To: derek.di...@gmail.com
https://bugzilla.kernel.org/show_bug.cgi?id=120441
Just thinking out loud, perhaps one way would be to implement your own fanout
hashing via eBPF demuxer, f.e. in case CPU selection etc wouldn't work. Another
option could be to have a (2nd) customizable hash demux that would enforce to
always go through the flow-dissector and where you would have a socket option
to control keys for it, but I presume that seems rather less desirable.
--- Comment #2 from Eric Leblond <e...@regit.org> ---
This patch has been introduced in 4.2.
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Begin forwarded message:
From: bugzilla-dae...@bugzilla.kernel.org
Subject: [Bug 120441] af_packet no longer uses symmetric hashing
Date: June 16, 2016 at 06:59:58 -0500
To: derek.di...@gmail.com
https://bugzilla.kernel.org/show_bug.cgi?id=120441
Eric Leblond <e...@regit.org> changed:
What |Removed |Added
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CC| |e...@regit.org
--- Comment #1 from Eric Leblond <e...@regit.org> ---
It seems the problem has been introduced by
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=42aecaa9bb2bd57eb8d61b4565cee5d3640863fb
where the symetrical jhash_3words function has been replaced by jhash2.
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