kern/141843: [em] [vlan] Intel txcsum and assigned vlan invoke wrong dst MAC in TCP packets

[Pyun YongHyeon]

On Mon, Jan 04, 2010 at 05:30:25PM +0200, Prokofiev S.P. wrote:
> Thanks Pyun YongHyeon!
> I apply patch em.csum_tso.20091230.patch and rebuild/reinstall kernel 
> and have received successful result for tcp and udp connections (test by 
> iperf).

Thanks for testing.

> But the  hangs down/up nic bug do not disappear (kern/141285 without 
> connection problems after your patch). Please pay attention to this problem.
> 

The patch was not intended to fix kern/141285.
Sorry I'm somewhat busy to address other driver issues. Maybe Jack
can look into that as well as fixing checksum offload issues.