[ovs-dev] [PATCH] datapath: Support for Linux kernel 3.9.

Jesse Gross jesse at nicira.com
Wed Jul 31 00:17:48 UTC 2013


On Fri, Jul 26, 2013 at 2:21 PM, Kyle Mestery <kmestery at cisco.com> wrote:
> Add support for Linux kernel 3.9.
>
> Signed-off-by: Kyle Mestery <kmestery at cisco.com>
> CC: Pravin B Shelar <pshelar at nicira.com>

I think it's not strictly required to do the restoration here since
the only user of skb->cb in this function block is vlans, which isn't
a problem on the kernels that have the new behavior with
skb_gso_segment(). It's a little bit more tenuous then I would
normally like but if we do it here then we should also do it for
datapath.c:queue_gso_packet() which seems like overkill.

However, I think we do need it in tunnel.c since LISP accesses skb->cb
to get the flow to compute the source port.
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