From: Johannes Berg <johannes@sipsolutions.net>
To: Tomas Winkler <tomasw@gmail.com>
Cc: Ron Rindjunsky <ron.rindjunsky@intel.com>,
linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: iwlwifi and tx info in skb->cb
Date: Thu, 08 May 2008 16:05:22 +0200 [thread overview]
Message-ID: <1210255522.3547.48.camel@johannes.berg> (raw)
In-Reply-To: <1ba2fa240805071721i3d1e3258s1e8c024c4cae9239@mail.gmail.com> (sfid-20080508_022003_250745_C12D08D3)
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> > > This is for scatter gather. Nothing to do with aggregation. If you get
> > > fragmented frame you can send it out without linearizing in CPU. in
> > > numer of TB - TX buffers (which is limitted bu MAX_NUM_OF_TBS) But
> > > I'm just over ever explaining :)
> >
> > We don't support that in mac80211 right now, why do you have that there?
>
> Currently we actively use 2 of them. First for TX command second for
> actual frame. It would be even worth if we need to expand
> each packet also for TX command.
We will no longer do that after davem and I figure out those allocation
patches.
You should implement TCP checksumming in the hardware. *that* would help
a lot.
johannes
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next prev parent reply other threads:[~2008-05-08 14:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-07 22:01 iwlwifi and tx info in skb->cb Johannes Berg
2008-05-07 23:29 ` Tomas Winkler
2008-05-07 23:30 ` Johannes Berg
2008-05-08 0:21 ` Tomas Winkler
2008-05-08 14:05 ` Johannes Berg [this message]
2008-05-08 22:07 ` Tomas Winkler
2008-05-08 22:10 ` Johannes Berg
2008-05-08 22:28 ` Tomas Winkler
2008-05-08 22:30 ` Johannes Berg
2008-05-08 23:16 ` Tomas Winkler
2008-05-08 23:17 ` Johannes Berg
2008-05-08 23:20 ` Johannes Berg
2008-05-08 23:20 ` David Miller
2008-05-08 23:30 ` Tomas Winkler
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