X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fdp_notify.c;h=07fd222de297d20812f83a7d89407ed6ec66b249;hb=7229a773ead96f891b621cd5f3e1219af5f24dd7;hp=e7d08bc355ef34f1f071fbef85c068f7e211ff7e;hpb=e779d8d90d65297473febcf82ec44c9225cc4fe3;p=openvswitch

diff --git a/datapath/dp_notify.c b/datapath/dp_notify.c
index e7d08bc3..07fd222d 100644
--- a/datapath/dp_notify.c
+++ b/datapath/dp_notify.c
@@ -1,6 +1,6 @@
 /*
  * Distributed under the terms of the GNU GPL version 2.
- * Copyright (c) 2007, 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2007, 2008, 2009, 2010, 2011 Nicira Networks.
  *
  * Significant portions of this file may be copied from parts of the Linux
  * kernel, by Linus Torvalds and others.
@@ -9,6 +9,7 @@
 /* Handle changes to managed devices */
 
 #include <linux/netdevice.h>
+#include <net/genetlink.h>
 
 #include "datapath.h"
 #include "vport-internal_dev.h"
@@ -33,24 +34,31 @@ static int dp_device_event(struct notifier_block *unused, unsigned long event,
 
 	switch (event) {
 	case NETDEV_UNREGISTER:
-		mutex_lock(&dp->mutex);
-		dp_detach_port(vport);
-		mutex_unlock(&dp->mutex);
+		if (!is_internal_dev(dev)) {
+			struct sk_buff *reply;
+
+			reply = ovs_vport_cmd_build_info(vport, 0, 0,
+							 OVS_VPORT_CMD_DEL);
+			dp_detach_port(vport);
+			if (IS_ERR(reply)) {
+				netlink_set_err(INIT_NET_GENL_SOCK, 0,
+						dp_vport_multicast_group.id,
+						PTR_ERR(reply));
+				break;
+			}
+
+			genl_notify(reply, dev_net(dev), 0,
+				    dp_vport_multicast_group.id, NULL,
+				    GFP_KERNEL);
+		}
 		break;
 
 	case NETDEV_CHANGENAME:
-		if (vport->port_no != ODPP_LOCAL) {
-			mutex_lock(&dp->mutex);
+		if (vport->port_no != OVSP_LOCAL) {
 			dp_sysfs_del_if(vport);
 			dp_sysfs_add_if(vport);
-			mutex_unlock(&dp->mutex);
 		}
 		break;
-
-	case NETDEV_CHANGEMTU:
-		if (!is_internal_dev(dev))
-			set_internal_devs_mtu(dp);
-		break;
 	}
 	return NOTIFY_DONE;
 }