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Diffstat (limited to 'net/openvswitch/dp_notify.c')
-rw-r--r--net/openvswitch/dp_notify.c82
1 files changed, 57 insertions, 25 deletions
diff --git a/net/openvswitch/dp_notify.c b/net/openvswitch/dp_notify.c
index 5558350..ef4feec 100644
--- a/net/openvswitch/dp_notify.c
+++ b/net/openvswitch/dp_notify.c
@@ -18,46 +18,78 @@
#include <linux/netdevice.h>
#include <net/genetlink.h>
+#include <net/netns/generic.h>
#include "datapath.h"
#include "vport-internal_dev.h"
#include "vport-netdev.h"
+static void dp_detach_port_notify(struct vport *vport)
+{
+ struct sk_buff *notify;
+ struct datapath *dp;
+
+ 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(ovs_dp_get_net(dp)->genl_sock, 0,
+ ovs_dp_vport_multicast_group.id,
+ PTR_ERR(notify));
+ return;
+ }
+
+ genlmsg_multicast_netns(ovs_dp_get_net(dp), notify, 0,
+ ovs_dp_vport_multicast_group.id,
+ GFP_KERNEL);
+}
+
+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;
+
+ ovs_lock();
+ list_for_each_entry(dp, &ovs_net->dps, list_node) {
+ int i;
+
+ 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;
+
+ 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);
+ }
+ }
+ }
+ 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;
+ struct vport *vport = NULL;
- if (ovs_is_internal_dev(dev))
- vport = ovs_internal_dev_get_vport(dev);
- else
+ if (!ovs_is_internal_dev(dev))
vport = ovs_netdev_get_vport(dev);
if (!vport)
return NOTIFY_DONE;
- switch (event) {
- case NETDEV_UNREGISTER:
- if (!ovs_is_internal_dev(dev)) {
- struct sk_buff *notify;
- struct datapath *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(ovs_dp_get_net(dp)->genl_sock, 0,
- ovs_dp_vport_multicast_group.id,
- PTR_ERR(notify));
- break;
- }
-
- genlmsg_multicast_netns(ovs_dp_get_net(dp), notify, 0,
- ovs_dp_vport_multicast_group.id,
- GFP_KERNEL);
- }
- break;
+ if (event == NETDEV_UNREGISTER) {
+ ovs_net = net_generic(dev_net(dev), ovs_net_id);
+ queue_work(system_wq, &ovs_net->dp_notify_work);
}
return NOTIFY_DONE;
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