Date: Wed, 24 Feb 2010 09:40:02 GMT From: Jean-Luc Richier <Jean-Luc.Richier@imag.fr> To: freebsd-net@FreeBSD.org Subject: Re: kern/141843: [em] [vlan] Intel txcsum and assigned vlan invoke wrong dst MAC in TCP packets Message-ID: <201002240940.o1O9e2us007072@freefall.freebsd.org>
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The following reply was made to PR kern/141843; it has been noted by GNATS. From: Jean-Luc Richier <Jean-Luc.Richier@imag.fr> To: bug-followup@FreeBSD.org, dyr@smartspb.net Cc: Subject: Re: kern/141843: [em] [vlan] Intel txcsum and assigned vlan invoke wrong dst MAC in TCP packets Date: Wed, 24 Feb 2010 10:35:01 +0100 Jean-Luc Richier wrote: > A other cause (or the same) seems that when the interface is reset (for example with a ifconfig em0 down, the chip is reset, but the > last_hw_offload in the interface context is not reset .... > I made the following path to solve the problem (in em_stop) > --- /sys/dev/e1000/if_em.c.DIST 2009-10-25 02:10:29.000000000 +0100 > +++ /sys/dev/e1000/if_em.c 2010-02-23 18:22:53.000000000 +0100 ... > + adapter->last_hw_offload = 0; ... I tested the suggested patch http://people.freebsd.org/~yongari/em.csum_tso.20091230.patch and it also solved my problem Regards -- Jean-Luc RICHIER (Jean-Luc.Richier@Imag.Fr) Laboratoire d'Informatique de Grenoble (LIG) Campus de Grenoble 681 rue de la Passerelle BP 72, F-38402 St Martin d'Hères Cedex Tel : +33 4 76 82 72 32 Fax : +33 4 76 82 72 87
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