[ovs-dev] [PATCH 03/12] odp-util: Bump up maximum number of ODP actions.
blp at nicira.com
Tue Dec 7 13:07:30 PST 2010
On Tue, Dec 07, 2010 at 12:59:01PM -0800, Jesse Gross wrote:
> On Tue, Dec 7, 2010 at 12:17 PM, Ben Pfaff <blp at nicira.com> wrote:
> > On Tue, Dec 07, 2010 at 11:34:38AM -0800, Jesse Gross wrote:
> >> I know that we had to bump up the number of actions in the kernel to
> >> handle flooding on large numbers of ports. So in reality, it looks
> >> like it was just wrapping around the array and overwriting some of the
> >> earlier ports?
> > Yes. This didn't go up to the kernel, though: the overwrites get
> > detected in xlate_actions(), recorded, and the flow setup is aborted.
> > So those packets would get dropped, I guess, until the MAC address was
> > learned.
> Hmm, that does appear to be what's happening. However, I thought that
> the kernel changes fixed at least some errors, so some flows must have
> made it.
Yeah, it's puzzling. I don't know what happened, unless it was
intermittent enough that no one really could tell whether it was fixed
I guess we should push this to lts-1.0 after it's committed.
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