On Mon, Nov 19, 2012 at 02:59:29PM +0900, Simon Horman wrote:
> Allow only OpenFlow 12 as a flow dump protocol for OpenFlow12.
> Allow OpenFlow10 and NXM as flow dump protocols for other OpenFlow versions.
> This only changes the behaviour prior to this patch in the case of OpenFlow12
> which seemed broken as an attempt would be made to set NXM as the
> flow dump format using an OpenFlow 1.0 message even though an OpenFlow 1.2
> connection had been negotiated..
>
> Signed-off-by: Simon Horman <[email protected]>
I think that this is no longer needed with the changes that I made a few
patches back. set_protocol_for_flow_dump() will try to set the protocol
with try_set_protocol(), which in turn will call
ofputil_encode_set_protocol(), which in turn will see that the versions
are incompatible, with:
cur_version = ofputil_protocol_to_ofp_version(current);
want_version = ofputil_protocol_to_ofp_version(want);
if (cur_version != want_version) {
*next = current;
return NULL;
}
which makes try_set_protocol() return that it failed to set that
protocol, which makes set_protocol_for_flow_dump() go on to the next
one.
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