ovs-ofctl: Clarify in_port in manpage.

Suggestion #7370.
Suggested-by: Reid Price <reid@nicira.com>

diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in
index 100faf023fea93342e566b0831130d1652ddf79b..f2ed8a48f7c767c416d448387e6763c0acf4fc64 100644 (file)
--- a/utilities/ovs-ofctl.8.in
+++ b/utilities/ovs-ofctl.8.in
@@ -276,8 +276,13 @@ may be specified to explicitly mark any of these fields as a wildcard.
 (\fB*\fR should be quoted to protect it from shell expansion.)
 .
 .IP \fBin_port=\fIport_no\fR
-Matches physical port \fIport_no\fR.  Switch ports are numbered as
+Matches OpenFlow port \fIport_no\fR.  Ports are numbered as
 displayed by \fBovs\-ofctl show\fR.
+.IP
+(The \fBresubmit\fR action can search OpenFlow flow tables with
+arbitrary \fBin_port\fR values, so flows that match port numbers that
+do not exist from an OpenFlow perspective can still potentially be
+matched.)
 .
 .IP \fBdl_vlan=\fIvlan\fR
 Matches IEEE 802.1q Virtual LAN tag \fIvlan\fR.  Specify \fB0xffff\fR