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From: "Holger Hoffstätte" <holger.hoffstaette@googlemail.com>
To: Francois Romieu <romieu@fr.zoreil.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, Hayes Wang <hayeswang@realtek.com>,
	Stefan Bader <stefan.bader@canonical.com>,
	Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	Ben Hutchings <ben@decadent.org.uk>
Subject: Re: [PATCH v2 net 1/1] r8169: fix offloaded tx checksum for small packets.
Date: Mon, 10 Jun 2013 13:12:10 +0200	[thread overview]
Message-ID: <51B5B48A.5040807@googlemail.com> (raw)
In-Reply-To: <5197936C.6090607@googlemail.com>

On 18.05.2013 16:42, Holger Hoffstätte wrote:
> On 18.05.2013 13:24, Francois Romieu wrote:
>> 8168evl offloaded checksums are wrong since commit
>> e5195c1f31f399289347e043d6abf3ffa80f0005 ("r8169: fix 8168evl frame padding.")
>> pads small packets to 60 bytes (without ethernet checksum). Typical symptoms
>> appear as UDP checksums which are wrong by the count of added bytes.
>>
>> It isn't worth compensating. Let the driver checksum.
>>
>> Due to the skb length changes, TSO code is moved before the Tx descriptor gets
>> written.
>>
>> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
> 
> Tested again, still working for me.
> 
> Tested-by: Holger Hoffstätte <holger.hoffstaette@googlemail.com>

ping:

As far as I can tell this patch is still not in -stable 3.9.5 or queued
up for the next iteration.

Commit in Linus' tree is b423e9ae49d78ea3f53b131c8d5a6087aed16fd6

thanks :)

-h

  reply	other threads:[~2013-06-10 11:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-18 11:24 [PATCH v2 net 1/1] r8169: fix offloaded tx checksum for small packets Francois Romieu
2013-05-18 14:42 ` Holger Hoffstätte
2013-06-10 11:12   ` Holger Hoffstätte [this message]
2013-06-10 21:54     ` Francois Romieu
2013-05-20  7:01 ` David Miller

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