> The Open vSwitch software switch now supports all the required features of > OpenFlow 1.0 through 1.3, with one known trivial exception[*]. Enable them > by default in ovs-vswitchd. > > For now, ovs-ofctl only enables OpenFlow 1.0 by default. This is > because ovs-ofctl implements command such as "add-flow" as raw > OpenFlow requests, but those requests have subtly different semantics > in different OpenFlow versions. For example: > > - In OpenFlow 1.0, a "mod-flow" operation that does not find any > existing flow to modify adds a new flow. > > - In OpenFlow 1.1, a "mod-flow" operation that does not find any > existing flow to modify adds a new flow, but only if the > mod-flow did not match on the flow cookie. > > - In OpenFlow 1.2 and a later, a "mod-flow" operation never adds a > new flow. > > [*] OpenFlow 1.1 requires support for VLANs introduced by Ethertype 0x88a8. > Open vSwitch does not support this Ethertype. OpenFlow 1.2 and 1.3 do > not require support for this Ethertype. > > Signed-off-by: Ben Pfaff <b...@nicira.com>
> --- > FAQ | 19 +++++++++++-------- > lib/ofp-util.h | 16 +++++++++------- > tests/ofproto-macros.at | 2 +- > tests/test-vconn.c | 12 ++++++------ > utilities/ovs-ofctl.c | 19 ++++++++++++++++++- > 5 files changed, 45 insertions(+), 23 deletions(-) > > diff --git a/FAQ b/FAQ > index c43b0c8..778cc28 100644 > --- a/FAQ > +++ b/FAQ > @@ -1119,19 +1119,22 @@ A: The following table lists the versions of OpenFlow > supported by > 2.0 yes [*] [*] [*] --- > 2.1 yes [*] [*] [*] --- > 2.2 yes [*] [*] [*] [%] > + 2.3 yes yes yes yes [%] > > [*] Supported, with one or more missing features. > [%] Support is unsafe: ovs-vswitchd will abort when certain > unimplemented features are tested. > > - Because of missing features, OpenFlow 1.1, 1.2, and 1.3 must be > - enabled manually. The following command enables OpenFlow 1.0, 1.1, > - 1.2, and 1.3 on bridge br0: > + Open vSwitch 2.3 enables OpenFlow 1.0, 1.1, 1.2, and 1.3 by default > + in ovs-vswitchd. In Open vSwitch 1.10 through 2.2, OpenFlow 1.1, > + 1.2, and 1.3 must be enabled manually. The following command > + enables OpenFlow 1.0, 1.1, 1.2, and 1.3 on bridge br0: > > ovs-vsctl set bridge br0 > protocols=OpenFlow10,OpenFlow11,OpenFlow12,OpenFlow13 probably it's more helpful to say how to disable versions. otherwise, looks good to me. Reviewed-by: YAMAMOTO Takashi <yamam...@valinux.co.jp> _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
