Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Pravin B Shelar |
160 |
45.98% |
3 |
23.08% |
| Jesse Gross |
158 |
45.40% |
1 |
7.69% |
| Alexei Starovoitov |
10 |
2.87% |
1 |
7.69% |
| Johannes Berg |
9 |
2.59% |
3 |
23.08% |
| Jiri Pirko |
3 |
0.86% |
1 |
7.69% |
| Taehee Yoo |
3 |
0.86% |
1 |
7.69% |
| Thomas Gleixner |
2 |
0.57% |
1 |
7.69% |
| Paolo Abeni |
2 |
0.57% |
1 |
7.69% |
| Thomas Graf |
1 |
0.29% |
1 |
7.69% |
| Total |
348 |
|
13 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2007-2012 Nicira, Inc.
*/
#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, ovs_dp_get_net(dp),
0, 0, OVS_VPORT_CMD_DEL);
ovs_dp_detach_port(vport);
if (IS_ERR(notify)) {
genl_set_err(&dp_vport_genl_family, ovs_dp_get_net(dp), 0,
0, PTR_ERR(notify));
return;
}
genlmsg_multicast_netns(&dp_vport_genl_family,
ovs_dp_get_net(dp), notify, 0,
0, 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) {
if (vport->ops->type == OVS_VPORT_TYPE_INTERNAL)
continue;
if (!(netif_is_ovs_port(vport->dev)))
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 = netdev_notifier_info_to_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) {
/* upper_dev_unlink and decrement promisc immediately */
ovs_netdev_detach_dev(vport);
/* schedule vport destroy, dev_put and genl notification */
ovs_net = net_generic(dev_net(dev), ovs_net_id);
queue_work(system_wq, &ovs_net->dp_notify_work);
}
return NOTIFY_DONE;
}
struct notifier_block ovs_dp_device_notifier = {
.notifier_call = dp_device_event
};