Date: Tue, 12 Sep 2006 18:43:39 +0200 From: Andre Oppermann <andre@freebsd.org> To: Mike Tancsa <mike@sentex.net> Cc: Ian FREISLICH <if@hetzner.co.za>, Jack Vogel <jfvogel@gmail.com>, current@freebsd.org Subject: Re: TSO, SMP and the em driver. Message-ID: <4506E3BB.9010201@freebsd.org> In-Reply-To: <7.0.1.0.0.20060912115424.16c29b50@sentex.net> References: <E1GN5FA-00085C-CJ@hetzner.co.za> <4506BE2C.1050903@freebsd.org> <2a41acea0609120846i32fd682wd834e0373c23d557@mail.gmail.com> <7.0.1.0.0.20060912115424.16c29b50@sentex.net>
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Mike Tancsa wrote: > At 11:46 AM 9/12/2006, Jack Vogel wrote: > >> Hmm, so if memory serves Linux disallows TSO when you are only >> at 100Mb, I dont recall why, I will have to look into that and perhaps >> have that same limitation in our driver. >> >> Any other data you can give me? > > > I have tripped over this in the past as well. Try > > http://www.google.com/bsd?hl=en&lr=&q=em0+vlan+promisc* > > There is a lot of chatter and analysis in the past. TSO != (vlan && promisc) -- Andre
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