From: Jeff Garzik <jeff@garzik.org>
To: Ursula Braun <braunu@de.ibm.com>
Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org,
Frank Blaschka <frank.blaschka@de.ibm.com>,
Frank Pavlic <fpavlic@de.ibm.com>
Subject: Re: [patch 1/2] s390: scatter-gather for inbound traffic in qeth driver
Date: Mon, 16 Jul 2007 18:29:29 -0400 [thread overview]
Message-ID: <469BF149.3060901@garzik.org> (raw)
In-Reply-To: <20070712105450.168931000@linux.vnet.ibm.com>
Ursula Braun wrote:
> From: Frank Blaschka <frank.blaschka@de.ibm.com>
>
> For large incoming packets > PAGE_SIZE/2 qeth creates a fragmented skb
> by adding pointers to qdio pages to the fragment list of the skb.
> This avoids allocating big chunks of consecutive memory. Also copying
> data from the qdio buffer to the skb is economized.
>
> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
> Signed-off-by: Ursula Braun <braunu@de.ibm.com>
> Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
> ---
>
> drivers/s390/net/qeth.h | 9 ++
> drivers/s390/net/qeth_main.c | 182 +++++++++++++++++++++++++++++++++++--------
> drivers/s390/net/qeth_proc.c | 6 +
> 3 files changed, 165 insertions(+), 32 deletions(-)
applied 1-2
next prev parent reply other threads:[~2007-07-16 22:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-12 10:51 [patch 0/2] qeth patches for 2.6.23 Ursula Braun
2007-07-12 10:51 ` [patch 1/2] s390: scatter-gather for inbound traffic in qeth driver Ursula Braun
2007-07-16 22:29 ` Jeff Garzik [this message]
2007-07-12 10:51 ` [patch 2/2] s390: add barriers to " Ursula Braun
-- strict thread matches above, loose matches on Subject: below --
2007-07-12 7:50 [patch 0/2] qeth patches for 2.6.23 Ursula.Braun.braunu
2007-07-12 7:51 ` [patch 1/2] s390: scatter-gather for inbound traffic in qeth driver Ursula.Braun.braunu
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