From 5a2dfd473a65a041356971771c99e4a9d04b3f9c Mon Sep 17 00:00:00 2001
From: Justin Pettit <jpettit@nicira.com>
Date: Fri, 14 Oct 2011 15:45:14 -0700
Subject: [PATCH] ofproto: Add function to set OpenFlow state and update
 controller.

This will be used in an upcoming commit.
---
 ofproto/ofproto-provider.h |  2 ++
 ofproto/ofproto.c          | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/ofproto/ofproto-provider.h b/ofproto/ofproto-provider.h
index 4abe92a1..7f1b110f 100644
--- a/ofproto/ofproto-provider.h
+++ b/ofproto/ofproto-provider.h
@@ -96,6 +96,8 @@ struct ofport {
     int mtu;
 };
 
+void ofproto_port_set_state(struct ofport *, ovs_be32 state);
+
 /* An OpenFlow flow within a "struct ofproto".
  *
  * With few exceptions, ofproto implementations may look at these fields but
diff --git a/ofproto/ofproto.c b/ofproto/ofproto.c
index 988e33d2..f6923805 100644
--- a/ofproto/ofproto.c
+++ b/ofproto/ofproto.c
@@ -1278,6 +1278,17 @@ ofport_modified(struct ofport *port, struct ofp_phy_port *opp)
     connmgr_send_port_status(port->ofproto->connmgr, &port->opp, OFPPR_MODIFY);
 }
 
+/* Update OpenFlow 'state' in 'port' and notify controller. */
+void
+ofproto_port_set_state(struct ofport *port, ovs_be32 state)
+{
+    if (port->opp.state != state) {
+        port->opp.state = state;
+        connmgr_send_port_status(port->ofproto->connmgr, &port->opp,
+                                 OFPPR_MODIFY);
+    }
+}
+
 void
 ofproto_port_unregister(struct ofproto *ofproto, uint16_t ofp_port)
 {
-- 
2.30.2