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Date:      Fri, 20 Dec 2019 16:37:32 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 207261] NETMAP don't do TX sync with kqueue
Message-ID:  <bug-207261-7501-4yOXY3OfxJ@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-207261-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-207261-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207261

--- Comment #6 from slw@zxy.spb.ru ---
(In reply to Vincenzo Maffione from comment #5)

Do you have any progress on this?

My guess:

1. on kevent() no changes for netmap FD (associated w/ TX ring)
2. no events (nor RX and nor TX) in kernel for this FD (associated w/ TX ri=
ng)

 =3D> no netmap_knread() call for this FD and no chance for txsync in
netmap_poll().

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