Acked-by: Jarno Rajahalme <[email protected]> > On Mar 30, 2017, at 8:55 AM, Ben Pfaff <[email protected]> wrote: > > Signed-off-by: Ben Pfaff <[email protected]> > --- > utilities/ovs-ofctl.8.in | 31 +++++++++++++++++++++++++++++-- > 1 file changed, 29 insertions(+), 2 deletions(-) > > diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in > index 8a3ba0279d7a..e7722a83a9fd 100644 > --- a/utilities/ovs-ofctl.8.in > +++ b/utilities/ovs-ofctl.8.in > @@ -393,8 +393,10 @@ or timeouts differ in \fIfile\fR. > .IP > With \fB\-\-readd\fR, \fBovs\-ofctl\fR adds all the flows from > \fIfile\fR, even those that exist with the same actions, cookie, and > -timeout in \fIswitch\fR. This resets all the flow packet and byte > -counters to 0, which can be useful for debugging. > +timeout in \fIswitch\fR. In OpenFlow 1.0 and 1.1, re-adding a flow > +always resets the flow's packet and byte counters to 0, and in > +OpenFlow 1.2 and later, it does so only if the \fBreset_counts\fR flag > +is set. > . > .IP "\fBdiff\-flows \fIsource1 source2\fR" > Reads flow entries from \fIsource1\fR and \fIsource2\fR and prints the > @@ -1818,6 +1820,31 @@ Forces the switch to check that the flow match does > not overlap that > of any different flow with the same priority in the same table. (This > check is expensive so it is best to avoid it.) > . > +.IP "\fBreset_counts\fR" > +When this flag is specified on a flow being added to a switch, and the > +switch already has a flow with an identical match, an OpenFlow 1.2 (or > +later) switch resets the flow's packet and byte counters to 0. > +Without the flag, the packet and byte counters are preserved. > +.IP > +OpenFlow 1.0 and 1.1 switches always reset counters in this situation, > +as if \fBreset_counts\fR were always specified. > +.IP > +Open vSwitch 1.10 added support for \fBreset_counts\fR. > +. > +.IP "\fBno_packet_counts\fR" > +.IQ "\fBno_byte_counts\fR" > +Adding these flags to a flow advises an OpenFlow 1.3 (or later) switch > +that the controller does not need packet or byte counters, > +respectively, for the flow. Some switch implementations might achieve > +higher performance or reduce resource consumption when these flags are > +used. These flags provide no benefit to the Open vSwitch software > +switch implementation. > +.IP > +OpenFlow 1.2 and earlier do not support these flags. > +.IP > +Open vSwitch 1.10 added support for \fBno_packet_counts\fR and > +\fBno_byte_counts\fR. > +. > .PP > The \fBdump\-flows\fR, \fBdump\-aggregate\fR, \fBdel\-flow\fR > and \fBdel\-flows\fR commands support these additional optional fields: > -- > 2.10.2 > > _______________________________________________ > dev mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
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