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| author | Ben Pfaff <blp@nicira.com> | 2013-05-23 15:49:48 -0700 |
|---|---|---|
| committer | Ben Pfaff <blp@nicira.com> | 2013-05-24 12:11:54 -0700 |
| commit | 42ed0063c01a82c15316281d617f46ebbd3a09b2 (patch) | |
| tree | 76b63e0144756dcd62554b5050fc18a38c258821 /vswitchd/ovs-vswitchd.8.in | |
| parent | fff22ddf266c3796451cdf3a04093d7889ae6edf (diff) | |
| download | openvswitch-42ed0063c01a82c15316281d617f46ebbd3a09b2.tar.gz | |
Document OVS packet buffering, to satisfy an OpenFlow 1.2+ requirement.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Diffstat (limited to 'vswitchd/ovs-vswitchd.8.in')
| -rw-r--r-- | vswitchd/ovs-vswitchd.8.in | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/vswitchd/ovs-vswitchd.8.in b/vswitchd/ovs-vswitchd.8.in index 1606b8727..58b5b93f6 100644 --- a/vswitchd/ovs-vswitchd.8.in +++ b/vswitchd/ovs-vswitchd.8.in @@ -211,6 +211,26 @@ enabled. .so lib/coverage-unixctl.man .so lib/stress-unixctl.man . +.SH "OPENFLOW IMPLEMENTATION" +. +.PP +This section documents aspects of OpenFlow for which the OpenFlow +specification requires documentation. +. +.SS "Packet buffering." +The OpenFlow specification, version 1.2, says: +. +.IP +Switches that implement buffering are expected to expose, through +documentation, both the amount of available buffering, and the length +of time before buffers may be reused. +. +.PP +Open vSwitch maintain a separate set of 256 packet buffers for each +OpenFlow connection. Any given packet buffer is preserved until it is +referenced by an \fBOFPT_FLOW_MOD\fR or \fBOFPT_PACKET_OUT\fR request +or for 5 seconds, whichever comes first. +. .SH "LIMITS" . .PP |