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Date: Thu, 20 Sep 2018 20:39:14 +0200 (CEST)
Message-Id: <20180920.203914.452768073.sthaug@nethelp.no>
To: net@FreeBSD.org
Subject: Re: [Bug 231416] dhcp / dhclient: bad udp checksums if running on
 a vlan on a Intel I211 interface
From: sthaug@nethelp.no
In-Reply-To: <bug-231416-7501-xw7A1tNaco@https.bugs.freebsd.org/bugzilla/>
References: <bug-231416-7501@https.bugs.freebsd.org/bugzilla/>
 <bug-231416-7501-xw7A1tNaco@https.bugs.freebsd.org/bugzilla/>
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> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231416
> 
> Eric van Gyzen <vangyzen@FreeBSD.org> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |marius@FreeBSD.org,
>                    |                            |shurd@FreeBSD.org,
>                    |                            |vangyzen@FreeBSD.org
> 
> --- Comment #1 from Eric van Gyzen <vangyzen@FreeBSD.org> ---
> Since it only affects DHCP traffic (bpf injected traffic?), I wonder if it's
> more related to iflib than to igb.  Adding marius@ and shurd@.

I see the same problem when using VLANs on Broadcom BCM5719 and BCM5720
NICs with the bce driver. It's *not* igb specific. Seen on 11.1 and
11.2.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no