From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: Krzysztof Oledzki <olel@ans.pl>
Cc: Arnd Hannemann <arnd@arndnet.de>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: problems with e1000 and jumboframes
Date: Thu, 3 Aug 2006 19:23:42 +0400 [thread overview]
Message-ID: <20060803152342.GC14774@2ka.mipt.ru> (raw)
In-Reply-To: <Pine.LNX.4.64.0608031705560.8443@bizon.gios.gov.pl>
On Thu, Aug 03, 2006 at 05:08:51PM +0200, Krzysztof Oledzki (olel@ans.pl) wrote:
> >then skb_alloc adds a little
> >(sizeof(struct skb_shared_info)) at the end, and this ends up
> >in 32k request just for 9k jumbo frame.
>
> Strange, why this skb_shared_info cannon be added before first alignment?
> And what about smaller frames like 1500, does this driver behave similar
> (first align then add)?
e1000 aligns it to 2k, which will be transformed into 4k allocation.
> Best regards,
>
> Krzysztof Olędzki
--
Evgeniy Polyakov
next prev parent reply other threads:[~2006-08-03 15:23 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-03 13:48 problems with e1000 and jumboframes Arnd Hannemann
2006-08-03 13:59 ` Evgeniy Polyakov
2006-08-03 14:37 ` Arnd Hannemann
2006-08-03 15:03 ` Evgeniy Polyakov
2006-08-03 15:08 ` Krzysztof Oledzki
2006-08-03 15:16 ` Evgeniy Polyakov
2006-08-03 15:37 ` Arnd Hannemann
2006-08-03 15:43 ` Evgeniy Polyakov
2006-08-03 15:41 ` Evgeniy Polyakov
2006-08-03 18:09 ` Arnd Hannemann
2006-08-03 18:29 ` Evgeniy Polyakov
2006-08-03 21:40 ` Arnd Hannemann
2006-08-03 15:57 ` Chris Leech
2006-08-03 16:10 ` Evgeniy Polyakov
2006-08-03 20:32 ` Chris Leech
2006-08-04 6:20 ` Evgeniy Polyakov
2006-08-04 15:16 ` Chris Leech
2006-08-03 16:24 ` Arnd Hannemann
2006-08-03 20:34 ` Chris Leech
2006-08-04 5:59 ` Herbert Xu
2006-08-04 6:15 ` Evgeniy Polyakov
2006-08-04 15:34 ` Chris Leech
2006-08-04 19:42 ` Evgeniy Polyakov
2006-08-04 21:02 ` Jesse Brandeburg
2006-08-05 9:58 ` Evgeniy Polyakov
2006-08-05 10:09 ` Herbert Xu
2006-08-05 10:24 ` Evgeniy Polyakov
2006-08-05 10:33 ` Herbert Xu
2006-08-05 10:41 ` Evgeniy Polyakov
2006-08-03 15:23 ` Evgeniy Polyakov [this message]
2006-08-04 5:52 ` Herbert Xu
2006-08-04 5:55 ` David Miller
2006-08-04 5:58 ` Evgeniy Polyakov
2006-08-03 14:24 ` Benjamin LaHaise
2006-08-03 14:49 ` Krzysztof Oledzki
2006-08-03 14:52 ` Benjamin LaHaise
2006-08-03 15:04 ` Krzysztof Oledzki
2006-08-03 15:32 ` Arnd Hannemann
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