ovs-ofctl: Support OFPPC_NO_FWD.

Currently, there is no way to disable forwarding on an OpenFlow
port from the command line.  This patch adds support for the
OFPPC_NO_FWD flag to the ovs-ofctl utility.

diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in
index 531fd9c..17b445d 100644 (file)
--- a/utilities/ovs-ofctl.8.in
+++ b/utilities/ovs-ofctl.8.in
@@ -81,6 +81,13 @@ system.
 Disables the interface.  This is equivalent to ``ifconfig down'' on a Unix
 system.
 .
+.IP \fBforward\fR
+Allows forwarding of traffic on this interface.  This is the default posture
+for all ports.
+.
+.IP \fBnoforward\fR
+Disallows forwarding of traffic on this interface.
+.
 .IP \fBflood\fR
 When a \fIflood\fR action is specified, traffic will be sent out this
 interface.  This is the default posture for monitored ports.

diff --git a/utilities/ovs-ofctl.c b/utilities/ovs-ofctl.c
index ff52cb2..7b2b186 100644 (file)
--- a/utilities/ovs-ofctl.c
+++ b/utilities/ovs-ofctl.c
@@ -839,6 +839,11 @@ do_mod_port(int argc OVS_UNUSED, char *argv[])
     } else if (!strcasecmp(argv[3], "noflood")) {
         opm->mask |= htonl(OFPPC_NO_FLOOD);
         opm->config |= htonl(OFPPC_NO_FLOOD);
+    } else if (!strcasecmp(argv[3], "forward")) {
+        opm->mask |= htonl(OFPPC_NO_FWD);
+    } else if (!strcasecmp(argv[3], "noforward")) {
+        opm->mask |= htonl(OFPPC_NO_FWD);
+        opm->config |= htonl(OFPPC_NO_FWD);
     } else {
         ovs_fatal(0, "unknown mod-port command '%s'", argv[3]);
     }