Re: [regression] 2.6.37+ commit 0363466866d9.... breaks tcp ipv6

On 01/18/2011 11:03 PM, Eric Dumazet wrote:

Le mardi 18 janvier 2011 à 22:42 +0100, Hans de Bruin a écrit :

quoted

On 01/18/2011 09:06 PM, Jesse Gross wrote:

...

You could try "tcpdump -i eth0 ip6 -v"

I guess you receive frames with bad checksums

While you where staring at the code, I was fooling around with tcpdump. And while the problem is fixed, I still have some questions:

Is there tool which shows whether a nic supports ipv6 checksum offload or not?

I have captured http traffic (wget http://bootes/) between psion (my git tree following laptop) and bootes (something running 2.6.33.7).
Attached is a capture with psion running 2.6.37 and one with this morning's git tree. Wat's with the 'chsum ... ( incorrect -> ' lines ?
ifconfig does not show errors on either of the machines.

-- 
Hans