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Date:      Wed, 19 Aug 2020 17:28:29 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 230465] ixl: not working in netmap mode
Message-ID:  <bug-230465-7501-yNmxa9L3F9@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-230465-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-230465-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D230465

--- Comment #39 from Vincenzo Maffione <vmaffione@FreeBSD.org> ---
(In reply to Kubilay Kocak from comment #38)

This is not a suricata issue. There was a suricata issue mentioned in this
thread, but it has been fixed upstream (suricata).

Comment #37 seems unrelated, since it mentions netmap with ixl in 12.x, whe=
re
iflib is in use. There was an iflib/netmap bug (see
https://reviews.freebsd.org/D25252) that may explain the problems briefly
mentioned in #37. But that is now in HEAD and stable/12.

This report is about a bug that apparently affects netmap TX over ixl in 11=
.x
(but not in 12.x and ahead).
This change
https://reviews.freebsd.org/D18984
does some cleanup but it does not fix the bug.
As you can see in the discussion, I reported the issue to the Intel develop=
ers,
but as far as I know there have been no changes on their side (in stable/11=
).
So I can assume that the bug is still there, and it's something that need t=
he
Intel developers attention, if someone is still interested in netmap+ixl in
11.x

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