From: Stephen Hemminger <shemminger@linux-foundation.org>
To: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
Cc: Roopa Prabhu <roprabhu@cisco.com>,
Dumazet <eric.dumazet@gmail.com>, Jiri Pirko <jpirko@redhat.com>,
e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org,
Vasanthy, Jie Yang <Jie.Yang@atheros.com>,
Eric, Kolluri <vkolluri@cisco.com>,
"VMware, Inc." <pv-drivers@vmware.com>,
Brice Goglin <brice@myri.com>,
H, Andrew Gallatin <gallatin@myri.com>,
Joe Perches <joe@perches.com>, David Wang <dwang2@cisco.com>,
Shreyas Bhatewara <sbhatewara@vmware.com>,
"David S. Miller" <davem@davemloft.net>,
Sweeten <hsweeten@visionengravers.com>
Subject: Re: [PATCH 3/3] net: Fix drivers advertising HW_CSUM feature to use csum_start
Date: Tue, 14 Dec 2010 19:07:27 -0800 [thread overview]
Message-ID: <20101214190727.0ed1a925@nehalam> (raw)
In-Reply-To: <aa9d85fa4961e87c38aec922913cbc95465fc082.1292372504.git.mirq-linux@rere.qmqm.pl>
On Wed, 15 Dec 2010 02:24:08 +0100 (CET)
Michał Mirosław <mirq-linux@rere.qmqm.pl> wrote:
> Some drivers are using skb_transport_offset(skb) instead of skb->csum_start
> for NETIF_F_HW_CSUM offload. This does not matter now, but if someone
> implements checksumming of encapsulated packets then this will break silently.
>
> TSO output paths are left as they are, since they are for IP+TCP only
> (might be worth converting though).
>
> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Which if any of these drivers did you test on real hardware?
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next prev parent reply other threads:[~2010-12-15 3:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-15 1:24 [PATCH 0/3] Fix NETIF_F_HW_CSUM implementations [v2] Michał Mirosław
2010-12-15 1:24 ` [PATCH 2/3] net: Use skb_checksum_start_offset() Michał Mirosław
2010-12-15 1:24 ` [PATCH 3/3] net: Fix drivers advertising HW_CSUM feature to use csum_start Michał Mirosław
2010-12-15 3:07 ` Stephen Hemminger [this message]
2010-12-15 18:16 ` Michał Mirosław
2010-12-15 18:25 ` Stephen Hemminger
2010-12-15 18:58 ` Michał Mirosław
2010-12-15 1:24 ` [PATCH 1/3] net: Introduce skb_checksum_start_offset() Michał Mirosław
2010-12-15 1:29 ` [PATCH 0/3] Fix NETIF_F_HW_CSUM implementations [v2] David Miller
2010-12-16 22:43 ` David Miller
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