X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=datapath%2Fdp_notify.c;h=ec573a51f6c458181bc603f662db7ede9d1f19f6;hb=4b570f12766f3c4eeb527de69d8eedfd59c34b86;hp=122b2fa989a9838f9d3940a6afae64c8a96c77c1;hpb=a9a29d22d8f485bb90bb49ae9ddff8c3c1ab04f5;p=sliver-openvswitch.git

diff --git a/datapath/dp_notify.c b/datapath/dp_notify.c
index 122b2fa98..ec573a51f 100644
--- a/datapath/dp_notify.c
+++ b/datapath/dp_notify.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007-2011 Nicira Networks.
+ * Copyright (c) 2007-2012 Nicira, Inc.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of version 2 of the GNU General Public
@@ -23,54 +23,77 @@
 #include "vport-internal_dev.h"
 #include "vport-netdev.h"
 
-static int dp_device_event(struct notifier_block *unused, unsigned long event,
-		void *ptr)
+static void dp_detach_port_notify(struct vport *vport)
 {
-	struct net_device *dev = ptr;
-	struct vport *vport;
+	struct sk_buff *notify;
 	struct datapath *dp;
 
-	if (is_internal_dev(dev))
-		vport = internal_dev_get_vport(dev);
-	else
-		vport = netdev_get_vport(dev);
+	dp = vport->dp;
+	notify = ovs_vport_cmd_build_info(vport, 0, 0,
+					  OVS_VPORT_CMD_DEL);
+	ovs_dp_detach_port(vport);
+	if (IS_ERR(notify)) {
+		netlink_set_err(GENL_SOCK(ovs_dp_get_net(dp)), 0,
+				ovs_dp_vport_multicast_group.id,
+				PTR_ERR(notify));
+		return;
+	}
 
-	if (!vport)
-		return NOTIFY_DONE;
+	genlmsg_multicast_netns(ovs_dp_get_net(dp), notify, 0,
+				ovs_dp_vport_multicast_group.id,
+				GFP_KERNEL);
+}
 
-	dp = vport->dp;
+void ovs_dp_notify_wq(struct work_struct *work)
+{
+	struct ovs_net *ovs_net = container_of(work, struct ovs_net, dp_notify_work);
+	struct datapath *dp;
 
-	switch (event) {
-	case NETDEV_UNREGISTER:
-		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;
-			}
+	ovs_lock();
+	list_for_each_entry(dp, &ovs_net->dps, list_node) {
+		int i;
 
-			genl_notify(reply, dev_net(dev), 0,
-				    dp_vport_multicast_group.id, NULL,
-				    GFP_KERNEL);
-		}
-		break;
+		for (i = 0; i < DP_VPORT_HASH_BUCKETS; i++) {
+			struct vport *vport;
+			struct hlist_node *n;
+
+			hlist_for_each_entry_safe(vport, n, &dp->ports[i], dp_hash_node) {
+				struct netdev_vport *netdev_vport;
+
+				if (vport->ops->type != OVS_VPORT_TYPE_NETDEV)
+					continue;
 
-	case NETDEV_CHANGENAME:
-		if (vport->port_no != OVSP_LOCAL) {
-			dp_sysfs_del_if(vport);
-			dp_sysfs_add_if(vport);
+				netdev_vport = netdev_vport_priv(vport);
+				if (netdev_vport->dev->reg_state == NETREG_UNREGISTERED ||
+				    netdev_vport->dev->reg_state == NETREG_UNREGISTERING)
+					dp_detach_port_notify(vport);
+			}
 		}
-		break;
 	}
+	ovs_unlock();
+}
+
+static int dp_device_event(struct notifier_block *unused, unsigned long event,
+			   void *ptr)
+{
+	struct ovs_net *ovs_net;
+	struct net_device *dev = ptr;
+	struct vport *vport = NULL;
+
+	if (!ovs_is_internal_dev(dev))
+		vport = ovs_netdev_get_vport(dev);
+
+	if (!vport)
+		return NOTIFY_DONE;
+
+	if (event == NETDEV_UNREGISTER) {
+		ovs_net = net_generic(dev_net(dev), ovs_net_id);
+		queue_work(&ovs_net->dp_notify_work);
+	}
+
 	return NOTIFY_DONE;
 }
 
-struct notifier_block dp_device_notifier = {
+struct notifier_block ovs_dp_device_notifier = {
 	.notifier_call = dp_device_event
 };