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path: root/drivers/net/vrf.c
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Diffstat (limited to 'drivers/net/vrf.c')
-rw-r--r--drivers/net/vrf.c36
1 files changed, 32 insertions, 4 deletions
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index d38f11d833fe..022c0b5f9844 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -36,12 +36,14 @@
#include <net/addrconf.h>
#include <net/l3mdev.h>
#include <net/fib_rules.h>
+#include <net/netns/generic.h>
#define DRV_NAME "vrf"
#define DRV_VERSION "1.0"
#define FIB_RULE_PREF 1000 /* default preference for FIB rules */
-static bool add_fib_rules = true;
+
+static unsigned int vrf_net_id;
struct net_vrf {
struct rtable __rcu *rth;
@@ -1394,6 +1396,8 @@ static int vrf_newlink(struct net *src_net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
struct net_vrf *vrf = netdev_priv(dev);
+ bool *add_fib_rules;
+ struct net *net;
int err;
if (!data || !data[IFLA_VRF_TABLE])
@@ -1409,13 +1413,15 @@ static int vrf_newlink(struct net *src_net, struct net_device *dev,
if (err)
goto out;
- if (add_fib_rules) {
+ net = dev_net(dev);
+ add_fib_rules = net_generic(net, vrf_net_id);
+ if (*add_fib_rules) {
err = vrf_add_fib_rules(dev);
if (err) {
unregister_netdevice(dev);
goto out;
}
- add_fib_rules = false;
+ *add_fib_rules = false;
}
out:
@@ -1498,16 +1504,38 @@ static struct notifier_block vrf_notifier_block __read_mostly = {
.notifier_call = vrf_device_event,
};
+/* Initialize per network namespace state */
+static int __net_init vrf_netns_init(struct net *net)
+{
+ bool *add_fib_rules = net_generic(net, vrf_net_id);
+
+ *add_fib_rules = true;
+
+ return 0;
+}
+
+static struct pernet_operations vrf_net_ops __net_initdata = {
+ .init = vrf_netns_init,
+ .id = &vrf_net_id,
+ .size = sizeof(bool),
+};
+
static int __init vrf_init_module(void)
{
int rc;
register_netdevice_notifier(&vrf_notifier_block);
- rc = rtnl_link_register(&vrf_link_ops);
+ rc = register_pernet_subsys(&vrf_net_ops);
if (rc < 0)
goto error;
+ rc = rtnl_link_register(&vrf_link_ops);
+ if (rc < 0) {
+ unregister_pernet_subsys(&vrf_net_ops);
+ goto error;
+ }
+
return 0;
error: