linux-kernel - Re: [PATCH net 3/3] Drivers: net: hyperv: Address UDP checksum issues

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Message-Id: <20140409.144206.149826397772279425.davem@davemloft.net>
Date:	Wed, 09 Apr 2014 14:42:06 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	kys@...rosoft.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com,
	jasowang@...hat.com
Subject: Re: [PATCH net 3/3] Drivers: net: hyperv: Address UDP checksum
 issues

From: KY Srinivasan <kys@...rosoft.com>
Date: Wed, 9 Apr 2014 18:39:57 +0000

> 
> 
>> -----Original Message-----
>> From: David Miller [mailto:davem@...emloft.net]
>> Sent: Wednesday, April 9, 2014 11:37 AM
>> To: KY Srinivasan
>> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org;
>> devel@...uxdriverproject.org; olaf@...fle.de; apw@...onical.com;
>> jasowang@...hat.com
>> Subject: Re: [PATCH net 3/3] Drivers: net: hyperv: Address UDP checksum
>> issues
>> 
>> From: KY Srinivasan <kys@...rosoft.com>
>> Date: Wed, 9 Apr 2014 18:08:47 +0000
>> 
>> > Thanks Dave. I will COW the SKB before changing the checksum value. I
>> > do have a question though.  I looked at a bunch of hardware drivers
>> > and they modify the header information, specially checksum field and I
>> > could not see where they had COWed the skb. I was grepping for skb_cow
>> > in these drivers.
>> 
>> Look for skb_cow_head(), for example, the tg3.c driver uses this.
>> 
> Thank you. I will update this patch. Do you want me to resend the whole set or just
> this patch.

You never need to ask me this.

Always, when there is an update to any part of a series, re-submit the entire
series.
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